CN109114101B

CN109114101B - Splicing device

Info

Publication number: CN109114101B
Application number: CN201811105908.3A
Authority: CN
Inventors: 解培亮; 林加鸿; 李武全
Original assignee: Shenzhen Absen Optoelectronic Co Ltd; Huizhou Absen Optoelectronic Co Ltd
Current assignee: Shenzhen Absen Optoelectronic Co Ltd; Huizhou Absen Optoelectronic Co Ltd
Priority date: 2018-09-21
Filing date: 2018-09-21
Publication date: 2024-08-16
Anticipated expiration: 2038-09-21
Also published as: CN109114101A

Abstract

The invention belongs to the technical field of display screens, and particularly relates to a splicing device which is used for splicing adjacent display screen boxes together, wherein the splicing device comprises a connecting plate, an operating rod and a plurality of buckling mechanisms for buckling the display screen boxes, each buckling mechanism is arranged on the side surface of the connecting plate, which is opposite to the display screen boxes, a first end of the operating rod is arranged on the buckling mechanism and used for controlling the buckling mechanism to move, and a second end of the operating rod is provided with a locking mechanism for locking the buckling mechanism buckled on the display screen boxes with the display screen boxes. The splicing device provided by the invention has the advantages of simple structure and simple operation, can be conveniently detached from the display screen box body, and can firmly fixedly install the connecting plate on the display screen box body, so that the adjacent display screen box bodies are spliced together more simply and reliably.

Description

Splicing device

Technical Field

The invention belongs to the technical field of display screens, and particularly relates to a splicing device.

Background

At present, two adjacent display screen boxes in most spliced display screens are fixedly connected together through a connecting plate, namely, the adjacent display screen boxes are fixedly installed on the same connecting plate through screws, so that the adjacent display screen boxes are spliced together, but the fixed connection mode makes the disassembly and the assembly of the adjacent display screen boxes difficult, and damage to the display screen boxes exists in the disassembly and assembly process, so that the splicing precision of the next splicing of the display screen boxes is affected. In addition, if adopt detachable mechanism to connect between display screen box and the connecting plate, but because the quality that most concatenation display screens are located eminence and display screen is great, the display screen easily rocks when the concatenation display screen for the effort that receives between the adjacent display screen box is great, and this just leads to detachable mechanism between the adjacent display screen box easily to throw off, and then leads to the connection reliability between the adjacent display screen box to reduce.

Disclosure of Invention

The invention aims to provide a splicing device, which aims to solve the technical problems that splicing between adjacent display screen boxes of a spliced display screen in the prior art cannot meet the requirements of convenience in disassembly and reliability in connection.

In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a splicing apparatus for splice adjacent display screen box together, splicing apparatus include connecting plate, action bars and a plurality of be used for with the buckling mechanisms of display screen box lock, each buckling mechanisms install in the connecting plate is dorsad on the side of display screen box, the first end of action bars install in on the buckling mechanism be used for control buckling mechanism moves, be equipped with on the second end of action bars be used for with the lock be in on the display screen box buckling mechanism with the fore shaft mechanism of display screen box hasp.

Further, the buckling mechanism comprises a mounting cover, a sleeved column and a rotating shaft, wherein a containing hole is formed in the bottom of the mounting cover, a through hole is formed in the connecting plate, the mounting cover is fixedly installed on the connecting plate, a sleeved hole used for being connected with the display screen box body is formed in the bottom of the sleeved column, the sleeved column is located in the containing hole, the through hole is communicated with the sleeved hole, and the sleeved column is hinged to the operating rod through the rotating shaft.

Further, the accommodation hole comprises a large-hole diameter section and a small-hole diameter section communicated with the large-hole diameter section, the large-hole diameter section is close to the opening of the accommodation hole, a plurality of installation holes communicated with the sleeved holes are formed in the side part of the sleeved column, balls are arranged in the installation holes, and the sleeved column drives the balls to move back and forth between the large-hole diameter section and the small-hole diameter section when moving along the axial direction of the accommodation hole.

Further, a first end of the operating rod is provided with a first fork arm and a second fork arm which are respectively positioned at two sides of the mounting cover, the outer wall surface of the mounting cover is respectively provided with a first strip hole and a second strip hole which are oppositely arranged, and the first strip hole and the second strip hole extend along the axis of the accommodating hole; the two ends of the rotating shaft penetrate out of the sleeved column, and the two ends of the rotating shaft penetrate out of the first strip hole and the second strip hole respectively and are hinged with the first fork arm and the second fork arm respectively.

Further, a first straight surface and a first arc surface which are sequentially bent and connected are arranged on the first fork arm, the first straight surface is opposite to the second end face of the operating rod, and the distance from the top point of the first arc surface to the axis of the rotating shaft is greater than the distance from the first straight surface to the axis of the rotating shaft; the second fork arm is provided with a second straight surface and a second arc-shaped surface which are sequentially bent and connected, the second straight surface is opposite to the second end face of the operating rod, and the distance from the top point of the second arc-shaped surface to the axis of the rotating shaft is greater than the distance from the second straight surface to the axis of the rotating shaft; the distance from the first straight surface to the rotating shaft axis is equal to the distance from the second straight surface to the rotating shaft axis, and the distance from the vertex of the first arc-shaped surface to the rotating shaft axis is equal to the distance from the vertex of the second arc-shaped surface to the rotating shaft axis.

Further, the latch mechanism comprises a latch member and a fixed plate, the latch member comprises a sliding section and a latch section latched with the display screen box body, the latch section is connected with the end part of the sliding section, the sliding section is perpendicular to the latch section, a sliding groove extending along the axis direction of the operating rod is formed in the side surface of the operating rod, the sliding section of the latch member is slidably connected in the sliding groove, the fixed plate is fixedly mounted at the opening part of the sliding groove and covers the opening of the sliding groove, and the latch section extends towards the connecting plate and penetrates through the connecting plate.

Further, an operation hole communicated with the sliding groove is formed in the end face of the second end of the operation rod, a pressing protrusion is arranged on the end face, close to the locking section, of the sliding section, and the pressing protrusion penetrates through the operation hole.

Further, an adjusting screw is connected to the connecting plate, the end portion of the adjusting screw faces the side face, close to the display screen box, of the connecting plate, and the adjusting screw is used for adjusting the distance between the connecting plate and the display screen box.

Further, the connecting plates comprise connecting parts which are respectively buckled on the adjacent display screen boxes, and each connecting part is provided with the buckling mechanism, the locking mechanism and the operating rod; the two adjacent connecting parts are respectively provided with an inserting arm and a bearing arm which are mutually inserted and a locking mechanism used for relatively fixing the inserting arm and the bearing arm, the end face of the bearing arm is provided with an arc-shaped inserting hole, the inserting arm extends towards the bearing arm in an arc shape, and the inserting arm is inserted in the arc-shaped inserting hole and slides in the arc-shaped inserting hole to adjust the included angle of the two adjacent connecting parts.

Further, the connecting plates comprise connecting parts which are respectively buckled on the adjacent display screen boxes, each connecting part is provided with the buckling mechanism, the locking mechanism and the operating rod, and the adjacent two connecting parts are respectively provided with a splicing arm and a receiving arm which are mutually spliced; the splicing device further comprises a telescopic mechanism, the receiving arm is fixedly arranged on the corresponding connecting part, the inserting arm is in sliding connection with the corresponding connecting part, and the fixed end of the telescopic mechanism is arranged on the connecting part corresponding to the inserting arm; the telescopic mechanism is connected between the plug-in arm and the connecting part corresponding to the plug-in arm and is used for driving the plug-in arm to slide on the corresponding connecting part; or the inserting arm is fixedly arranged on the corresponding connecting part, the bearing arm is in sliding connection with the corresponding connecting part, and the telescopic mechanism is connected between the bearing arm and the connecting part corresponding to the bearing arm and is used for driving the bearing arm to slide on the corresponding connecting part.

The invention has the beneficial effects that: when the splicing device is specifically used, the buckling mechanism on the connecting plate is buckled on the display screen box body by operating the operating rod, then the locking mechanism on the second end of the operating rod is locked on the display screen box body, so that the first end of the operating rod cannot move, the buckling mechanism can be firmly buckled on the display screen box body, the buckling mechanism is prevented from falling off from the display screen box body, meanwhile, the locking mechanism is locked on the display screen box body, and the connection strength between the connecting plate and the display screen box body is further increased, so that the display screen box body can be firmly installed on the connecting plate; meanwhile, when the connecting plate is detached from the display screen box body, the locking mechanism and the buckling mechanism are only required to be sequentially unlocked, so that the operation is simple, the display screen box body is not damaged, the splicing precision of the adjacent display screen box bodies is guaranteed, and the display screen box body can be used repeatedly. The splicing device provided by the invention has the advantages of simple structure and simple operation, can be conveniently detached from the display screen box body, and can firmly fixedly install the connecting plate on the display screen box body, so that the adjacent display screen box bodies are spliced together more simply and reliably.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a splicing device according to an embodiment of the present invention.

Fig. 2 is a cross-sectional view taken along line A-A of fig. 1.

Fig. 3 is a sectional view taken along line B-B of fig. 1.

Fig. 4 is an exploded view along C in fig. 1.

Fig. 5 is a schematic structural diagram of an operation lever of the splicing device according to the embodiment of the invention.

FIG. 6 is a cross-sectional view of a mounting cover of a splice device according to an embodiment of the invention

Fig. 7 is a schematic structural diagram of a splicing device provided by an embodiment of the invention, wherein the splicing device is provided with a splicing arm, a receiving arm and a locking mechanism.

Fig. 8 is an exploded view of the plugging arm, receiving arm and locking mechanism of the splicing device according to the embodiment of the invention.

Fig. 9 is a schematic structural view of a splicing device provided by an embodiment of the invention, in which an adjusting screw and a telescopic mechanism are installed.

Fig. 10 is an exploded view of a splice device provided with an adjusting screw and a telescoping mechanism according to an embodiment of the invention.

Wherein, each reference sign in the figure:

10-connecting plate 11-through hole 12-connecting part

13-Plug arm 14-receiving arm 15-locking mechanism

16-Connecting rope 17-connecting buckle 18-adjusting screw

20-Lever 21-first prong 22-second prong

23-Limit projection 24-sliding groove 25-abutting groove

30-Fastening mechanism 31-mounting cover 32-sleeved column

33-Ball 34-spindle 35-first elastic member

36-Set screw 40-latch mechanism 41-latch member

42-Fixing plate 43-second elastic piece 50-telescopic mechanism

51-Fixed block 52-double-head screw 53-guide rod

54-Slide screw 55-fastening screw 56-turning handle

57-Strip sliding hole 131-positioning groove 141-arc-shaped plug-in hole

142-Locking hole 151-locking screw 211-first rotation hole

212-First flat surface 213-first curved surface 221-second rotation hole

222-Second flat surface 223-second arc surface 311-receiving hole

312-First elongated hole 313-second elongated hole 321-sleeved hole

322-Mounting hole 323-first through hole 341-fixing groove

411-Sliding section 412-locking section 3111-large diameter section

3112-Small hole diameter section 4111-push boss 4121-latch boss.

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to fig. 1 to 10 are exemplary and intended to illustrate the present invention and should not be construed as limiting the invention.

In the description of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

As shown in fig. 1 to 10, the present invention provides a splicing device, which is used for splicing adjacent display screen boxes together, the splicing device includes a connecting plate 10, an operating rod 20, and a plurality of fastening mechanisms 30 for fastening with the display screen boxes, each fastening mechanism 30 is mounted on a side surface of the connecting plate 10 facing away from the display screen boxes, a first end of the operating rod 20 is mounted on the fastening mechanism 30 for driving the fastening mechanism 30 to move, and a second end of the operating rod 20 is provided with a locking mechanism 40 for locking the fastening mechanism 30 fastened on the display screen boxes with the display screen boxes.

Specifically, in the splicing device of the embodiment of the invention, when the splicing device is specifically used, the operation rod 20 is operated to lock the buckling mechanism 30 on the connecting plate 10 on the display screen box body, then the locking mechanism 40 on the second end of the operation rod 20 is locked on the display screen box body, so that the first end of the operation rod 20 cannot move, the buckling mechanism 30 can be firmly buckled on the display screen box body, the buckling mechanism 30 is prevented from falling off from the display screen box body, meanwhile, the locking mechanism 40 is locked on the display screen box body, and further, the connection strength between the connecting plate 10 and the display screen box body is increased, and the display screen box body can be firmly installed on the connecting plate 10; meanwhile, when the connecting plate 10 is detached from the display screen box body, the locking mechanism 40 and the buckling mechanism 30 are only required to be sequentially unlocked, so that the operation is simple, the display screen box body is not damaged, the splicing precision of the adjacent display screen box bodies is ensured, and the display screen box body can be repeatedly used. The splicing device provided by the invention has the advantages of simple structure and simple operation, can be conveniently detached from the display screen box body, and can firmly fixedly install the connecting plate 10 on the display screen box body, so that the adjacent display screen box bodies are spliced together more simply and reliably.

In this embodiment, referring to fig. 1,2 and 4, the fastening mechanism 30 includes a mounting cover 31, a sleeved post 32 and a rotating shaft 34, a receiving hole 311 is formed at the bottom of the mounting cover 31, a through hole 11 is formed on the connecting plate 10, and the mounting cover 31 is fixedly mounted on the connecting plate 11; the bottom of the sleeving column 32 is provided with a sleeving hole 321 for being connected with the display screen box body, the sleeving column 32 is positioned in the accommodating hole 311, the through hole 11 is communicated with the sleeving hole 321, and the sleeving column 32 is hinged with the operating rod 20 through the rotating shaft 34.

Specifically, in the buckling process of the buckling mechanism 30, the sleeved post 32 is sleeved on the protrusion on the display screen box body, that is, the protrusion on the display screen box body passes through the through hole 11 on the connecting plate 10 and is inserted into the sleeved hole 321 of the sleeved post 32, and then the operation rod 20 is controlled to move so as to drive the sleeved post 32 to move in the accommodating hole 311, so that the buckling effect of the buckling mechanism is realized. The buckling mechanism 30 is simple in structure and operation, and can stably buckle the display screen box body on the connecting plate 10, and the mounting cover 31 mainly provides a mounting matrix for the sleeved column 32.

In this embodiment, referring to fig. 3,4 and 6, the accommodating hole 311 includes a large-hole diameter section 3111 and a small-hole diameter section 3112 communicating with the large-hole diameter section 3111, the large-hole diameter section 3111 is disposed near the opening of the accommodating hole 311, a plurality of mounting holes 322 communicating with the sleeved post 32 are disposed on the side portion of the sleeved post 32, balls 33 are disposed in each of the mounting holes 322, and the sleeved post 321 drives the balls 33 to move back and forth between the large-hole diameter section 3111 and the small-hole diameter section 3112 when moving along the axial direction of the accommodating hole 311.

Specifically, during the buckling process of the buckling mechanism 30, the sleeved post 32 is sleeved on the protrusion on the display screen box body, namely, the protrusion on the display screen box body passes through the through hole 11 on the connecting plate 10 and is inserted into the sleeved hole 321 of the sleeved post 32, then the operation rod 20 is pulled to enable the sleeved post 32 to move towards the bottom surface of the accommodating hole 311, in the process, the ball 33 moves towards the inside of the small hole diameter section 3112 along with the movement of the sleeved post 32, and the ball 33 is under the abutting action of the inner wall of the small hole diameter section 3112, so that the ball 33 moves towards the inside of the sleeved hole until abutting against the outer wall of the protrusion of the display screen box body, so that the protrusion of the display screen box body is stably fixed in the sleeved hole 321, namely, the buckling mechanism 30 stably abuts and buckles the display screen box body on the connecting plate 10; in the loosening process of the buckling mechanism 30, the operation rod 20 is driven by the first driving operation rod to drive the sleeving column 32 to move back to the bottom surface of the accommodating hole 311, then the sleeving column 32 is taken away from the bulge of the display screen box body, in the process, the ball 33 moves along with the movement of the sleeving column 32 from the small hole diameter section 3112 to the large hole diameter section 3111, when the ball 33 is positioned in the large hole diameter section 3111, because a gap exists between the sleeving column 32 and the large hole diameter section 3111, the ball 33 moves outwards towards the sleeving hole 322, the ball 33 is not abutted against the outer wall of the bulge of the display screen box body, and at the moment, the bulge on the display screen box body can be easily pulled out from the sleeving hole 321, so that the connection plate 10 and the display screen box body are dismounted. The buckling mechanism 30 is simple in structure and operation, and can stably buckle the display screen box body on the connecting plate 10, so that the mounting and dismounting operations between the connecting plate and the display screen box body are simpler.

Further, the convex outer wall of the display screen box body is provided with the clamping groove extending along the circumferential direction of the convex, in the process of buckling the buckling mechanism 30, the ball 33 is clamped in the clamping groove, and the convex of the display screen box body is more difficult to separate from the sleeved hole 321 due to the limiting effect of the two opposite wall surfaces of the clamping groove on the outer circular surface of the ball 33, so that the buckling strength of the buckling mechanism 30 in the display screen box body is increased.

In this embodiment, as shown in fig. 2,3 and 5, a first end of the operating lever 20 is provided with a first fork arm 21 and a second fork arm 22 respectively located at two sides of the mounting cover, a first strip hole 312 and a second strip hole 313 which are oppositely arranged are respectively formed on an outer wall surface of the mounting cover 31, and the first strip hole 312 and the second strip hole 313 extend along an axis of the accommodating hole 311; the two ends of the rotating shaft 34 penetrate out of the sleeved posts 32, and the two ends of the rotating shaft 34 penetrate out of the first elongated hole 312 and the second elongated hole 313 respectively and are hinged with the first fork arm 21 and the second fork arm 22 respectively.

Specifically, during assembly of the fastening mechanism 30, the balls 33 are respectively installed in the installation holes 322, the sleeved posts 32 are installed in the accommodating holes 311 of the installation cover 31, the installation cover 31 is fixedly installed on the connecting plate 10, the first fork arms 21 and the second fork arms 22 on the first end of the operating rod 20 are respectively placed on two opposite sides of the installation cover 31, and finally the operating rod 20, the sleeved posts 32 and the installation cover 31 are connected together through the rotating shaft 34. Because the first strip hole 312 and the second strip hole 313 extend along the axis of the accommodating hole 311, the rotating shaft 34 moves along the axis of the accommodating hole 311 in the first strip hole 312 and the second strip hole 313, and the sleeved column 32 can be driven to move along the axis of the accommodating hole 311 in the accommodating hole 311 by pulling the operating rod 20, namely, the ball 33 moves back and forth between the large-hole diameter section 3111 and the small-hole diameter section 3112, so that the buckling operation and the loosening operation of the buckling mechanism 30 on the display screen box body are realized, the buckling mechanism 30 utilizes the cooperation of structures such as the rotating shaft 34, the first strip hole 312 and the second strip hole 313 to realize the connection among the operating rod 20, the mounting cover 31 and the sleeved column 32, the connection structure is simple, the assembly is convenient, and the whole structure is more compact; on the other hand, the rotating shaft 34 moves in the first long strip hole 312 and the second long strip hole 313, so that the movement of the sleeving column 32 in the accommodating hole 311 is realized, the buckling and loosening operation of the buckling mechanism 30 is realized, and the structure is ingenious in design and strong in practicability.

Further, the first fork arm 21 and the second fork arm 22 are respectively provided with a first rotating hole 211 and a second rotating hole 221, the outer wall of the sleeved column is provided with a first penetrating hole 323 and a second penetrating hole (not shown) which are arranged oppositely, when the buckling mechanism is assembled, one end of the rotating shaft 34 penetrates through the first rotating hole 211 on the first fork arm 21, the first long strip hole 312 on the mounting cover 31 and the first penetrating hole 323 on the sleeved column 32 in sequence, then penetrates through the sleeved hole 321, and finally penetrates out of the second penetrating hole on the sleeved column 32, the second long strip hole 313 on the mounting cover 31 and the second rotating hole 221 on the second fork arm 22 in sequence, so that the mounting cover 31, the sleeved column 32 and the operating rod 20 are stably connected together through the rotating shaft 34, and the reliability of the movement of the buckling mechanism 30 is ensured.

Further, the fastening mechanism 30 further includes a fixing screw 36, a fixing groove 341 is formed on an outer wall of the rotating shaft 34, a threaded hole is formed on a bottom surface of the sleeve hole 321, the fixing screw 36 is in threaded connection with the threaded hole, and an end portion of the fixing screw 36 is clamped in the fixing groove 341. The fixing screw 36 is screwed into the threaded hole from the outer end surface of the sleeved column 32 until the end part of the fixing screw 36 is clamped in the fixing groove 341, and the rotating shaft 34 cannot move along the axial direction of the rotating shaft 34 through the clamping effect of the end part of the fixing screw 36 and the fixing groove 341, so that the axial positioning of the rotating shaft 34 is realized, the situation that the sleeved column 32, the mounting cover 31 and the operating rod 20 fall off from the rotating shaft 34 is avoided, and the connection among the sleeved column 32, the mounting cover 31 and the operating rod 20 is more stable and reliable.

In this embodiment, as shown in fig. 2,4 and 5, a first flat surface 212 and a first arc surface 213 are sequentially bent and connected to each other on the first yoke 21, the first arc surface 213 is disposed near the connecting plate 10, the first flat surface 212 is disposed opposite to the second end surface of the operating lever 20, and a distance from a vertex of the first arc surface 213 to an axis of the rotating shaft 34 is greater than a distance from the first flat surface 212 to the axis of the rotating shaft 34; the second arm 22 is provided with a second straight plane 222 and a second arc-shaped plane 223 which are sequentially bent and connected, the second straight plane 222 is opposite to the second end face of the operating rod 20, and the distance from the vertex of the second arc-shaped plane 223 to the axis of the rotating shaft 34 is greater than the distance from the second straight plane 222 to the axis of the rotating shaft 34; the distance from the first plane 212 to the axis of the rotating shaft 34 is equal to the distance from the second plane 222 to the axis of the rotating shaft 34, and the distance from the vertex of the first arc-shaped surface 213 to the axis of the rotating shaft 34 is equal to the distance from the vertex of the second arc-shaped surface 223 to the axis of the rotating shaft 34.

Specifically, in the process that the position of the length direction of the operating lever 20 parallel to the axis of the accommodating hole 311 rotates to the position that the length direction of the operating lever 20 is perpendicular to the axis of the accommodating hole 311, the first flat surface 212 and the second flat surface 222 of the operating lever 20 are respectively abutted against the connecting plate 10 and gradually converted into the first arc-shaped surface 213 and the second arc-shaped surface 223 of the operating lever 20 to be abutted against the connecting plate 10 until the top point of the first arc-shaped surface 213 and the top point of the second arc-shaped surface 223 of the operating lever 20 are abutted against the connecting plate 10, therefore, in the rotating process of the operating lever 20, the operating lever 20 drives the rotating shaft 34 to move in the first strip hole 312 and the second strip hole 313, so as to drive the sleeving column 32 to move along the axis of the accommodating hole 311, and further enable the balls 33 on the sleeving column 32 to clamp the protrusions of the display screen box, and thus the buckling operation of the buckling mechanism 30 is realized; on the contrary, in the process of rotating the position where the length direction of the operating rod 20 is intersected with the axis of the accommodating hole 311 to the position where the length direction of the operating rod 20 is parallel to the axis of the accommodating hole 311, the rotating shaft 34 drives the sleeving column 32 to move reversely along the axis of the accommodating hole 311, so that the balls 33 on the sleeving column 32 loosen the protrusions of the display screen box body, the loosening operation of the buckling mechanism 30 is realized, and the structure is simple and reliable in operation, and can realize the buckling operation and the loosening operation of the buckling mechanism 30 only by rotating the operating rod 20.

Further, the first yoke 21 is provided with a first flat surface 212 and a first arc surface 213 which are sequentially bent and connected, and the first flat surface 212 can be stably abutted against the connecting plate 10 together, so that the operation rod 20 is prevented from excessively rotating, and the purpose of protecting the operation rod 20 is achieved. The first arc surface 213 is provided to enable the lever 20 to rotate more smoothly.

Further, the second yoke 22 is provided with a second straight surface 222 and a second arc surface 223 which are sequentially bent and connected, and the second straight surface 222 can be stably abutted against the connecting plate 10 together, so that the operating rod 20 is prevented from excessively rotating, and the purpose of protecting the operating rod 20 is achieved. The second curved surface 223 is provided to enable the lever 20 to rotate more smoothly.

Further, the distance from the first flat surface 212 to the axis of the first rotating hole 211 is equal to the distance from the second flat surface 222 to the axis of the second rotating hole 221, the distance from the vertex of the first arc surface 213 to the axis of the first rotating hole 211 is equal to the distance from the vertex of the second arc surface 223 to the axis of the second rotating hole 221, when the first flat surface 212 is abutted against the connecting plate 10, the second flat surface 222 is abutted against the connecting plate 10, so that the first fork arm 21 and the second fork arm 22 on the operating lever 20 are supported by the connecting plate 10, and further, the support of the operating lever 20 is more stable; when the vertex of the first arc surface 213 abuts against the connecting plate 10, the vertex of the second arc surface 223 also abuts against the connecting plate 10, so that the first fork arm 21 and the second fork arm 22 on the operating lever 20 are supported by the connecting plate 10, and the fixing of the operating lever 20 is more stable.

Further, referring to fig. 2, 4 and 6, the bottom surface of the operating lever 20 is provided with a limiting protrusion 23, when the fastening mechanism 30 is fastened to the display screen box, the end surface of the limiting protrusion 23 abuts against the side surface of the connecting plate 10, and the end surface of the limiting protrusion 23, the vertex of the second arc-shaped surface 223 and the vertex of the first arc-shaped surface 213 are all located in the same plane.

Specifically, when the buckling mechanism 30 is buckled on the bulge of the display screen box body, the end face of the limiting bulge 23 of the operating rod 20, the vertex of the first arc-shaped surface 213 and the vertex of the second arc-shaped surface 223 are all abutted on the connecting plate 10, so that the operating rod 20 is stably supported, the buckling mechanism 30 is prevented from loosening the bulge on the display screen box body due to the continuous rotation of the operating rod 20, and the buckling mechanism 30 can be buckled on the bulge of the display screen box body more stably due to the limiting bulge 23, so that adjacent display screen box bodies can be firmly spliced together.

Further, the fastening mechanism 30 further includes a first elastic member 35, and two ends of the first elastic member 35 are respectively abutted against the end surface of the sleeved post 32 and the bottom surface of the accommodating hole 311.

Specifically, when the buckling mechanism 30 is buckled on the protrusion of the display screen box, that is, the operation rod 20 rotates to drive the sleeved column 32 to move towards the bottom of the accommodating hole 311, the first elastic member 35 is compressed; when the buckling mechanism 30 needs to loosen the bulge of the display screen box body, the first elastic piece 35 can automatically eject the sleeved column 32 back to the bottom of the accommodating hole 311, so that the operation rod 20 is automatically reset, and the operation of the buckling mechanism 30 is more labor-saving and simple.

In this embodiment, referring to fig. 2,3 and 4, the latch mechanism 40 includes a latch member 41 and a fixing plate 42, the latch member 41 includes a sliding section 411 and a latch section 413 that latches with the display screen box, the latch section 413 is connected to an end of the sliding section 411, the sliding section 411 is perpendicular to the latch section 413, a sliding groove 24 extending along an axial direction of the operating lever 20 is formed on a side surface of the operating lever 20, the sliding section 411 of the latch member 41 is slidably connected in the sliding groove 24, and the fixing plate 42 is fixedly mounted at an opening of the sliding groove 24 and seals an opening of the sliding groove 24, and the latch section 413 extends toward the connecting plate 10.

Specifically, in the latch mechanism 40 of the present embodiment, when assembling, the sliding section 411 of the latch 41 is first installed in the sliding slot 24, and then the fixing plate 42 is fixedly installed on the operating rod 20, so as to avoid the sliding section 411 of the latch 41 falling out of the sliding slot 24, the sliding section 411 of the latch 41 can slide stably in the sliding slot 24, and since the latch section 413 of the latch 41 is perpendicular to the sliding section 411 of the latch 41, and the latch section 413 extends out of the sliding slot 24, the latch section 413 can move along with the sliding section 411 toward the latch mechanism 30 or away from the latch mechanism 30; when the buckling mechanism 30 is buckled on the bulge of the display screen box body, the buckling section 413 penetrates through the connecting plate 10 to buckle with the display screen box body, so that both ends of the operating rod 20 are fixedly arranged on the connecting plate 10, and the connection between the connecting plate 10 and the display screen box body is more stable and reliable; when the buckling mechanism 30 needs to be loosened on the bulge of the display screen box body, only the sliding section 411 is required to be moved to contact the locking state of the locking section 413 and the display screen box body, and then the operating rod 20 is rotated to enable the buckling mechanism 30 to loosen the bulge on the display screen box body, so that the display screen box body is separated from the connecting plate 10; the locking mechanism 40 has a simple structure, and can ensure that the locking mechanism 30 is firmly locked on the display screen box body and the unlocking operation of the locking mechanism 30 is also simple.

Further, a third through hole is formed in the connecting plate 10, the end portion of the locking section 413 extends into the third through hole, a buckling column is arranged at a position, corresponding to the third through hole, of the display screen box body, the buckling column extends into the third through hole, and the end portion of the locking section 413 is locked on the buckling column, so that the locking section 413 is fixed in the third through hole, and the second end of the operating rod 20 is connected with the display screen box body.

Still further, the side of the end of the locking section 413 is provided with a locking protrusion 4121, the locking post is provided with a locking hole, the locking protrusion 4121 is locked in the locking hole, or the locking post is provided with a locking protrusion 4121, the side of the end of the locking section 413 is provided with a locking hole, the locking protrusion 4121 is locked in the locking hole, and the second end of the operating lever 20 is fixedly arranged on the display screen box body through the matching of the locking protrusion 4121 and the locking hole, so that the connecting plate 10 can be stably locked on the display screen box body, and meanwhile, when the operating lever 20 needs to be rotated, only the sliding section 411 of the locking piece 41 needs to be pushed to slide in the sliding groove, so that the locking protrusion on the locking section 413 is separated from the locking hole, and the second end of the operating lever 20 is separated from the display screen box body, so that the second end of the operating lever 20 can be conveniently operated to control the locking mechanism 30 to move.

In this embodiment, referring to fig. 2, 3 and 4, an operation hole (not shown) communicating with the sliding groove 24 is formed on an end surface of the second end of the operation lever 20, a pressing protrusion 4111 is formed on an end surface of the sliding section 411 adjacent to the locking section 413, and the pressing protrusion 4111 is inserted into the operation hole.

Specifically, by pressing the pressing protrusion 4111 on the sliding section 411, the sliding section 411 is driven to slide in the sliding groove, so as to control the locking and separation of the locking section 413, the pressing protrusion 4111 is convenient for the operation of personnel, and meanwhile, the pressing protrusion 4111 is located in the operation hole, so that on one hand, the pressing protrusion 4111 is exposed, and the operation is convenient; on the other hand, the operation hole plays a role of guide so that the slide section 411 can stably slide in the slide groove.

Further, the latch mechanism 40 includes a second elastic member 43, two ends of the second elastic member 43 are respectively abutted against the inner wall surface of the sliding groove 24 and the sliding section 411, under the elastic action of the second elastic member 43, the sliding section 411 of the latch member 41 can be stably abutted against the sliding groove, and the latch protrusion 4121 of the latch section 413 can be stably pushed into the latch hole, so that the second end of the operating lever 20 can be stably fixed on the display screen box, and only the end of the latch section 413 needs to be inserted into the operation hole, the latch protrusion 4121 of the latch section 413 can be automatically latched in the operation hole under the pushing of the second elastic member 43, and the operation is simple and reliable.

Further, the side surface of the second end of the limiting protrusion 23, which is opposite to the second end of the operating member, is provided with an abutting groove 25 which is communicated with the sliding groove, under the action of the elastic force of the second elastic member 43, the side surface of the locking section 413 is abutted on the bottom surface of the abutting groove 25, and the end of the locking section 413 extends out of the abutting groove 25 so as to be in locking connection with the display screen box body, the bottom surface of the abutting groove 25 plays a role in positioning the locking member 41, the sliding section 411 of the locking member 41 is prevented from being separated from the sliding groove under the action of the elastic force of the second elastic member 43, and meanwhile, the limiting protrusion 23 also plays a role in protecting the locking section 413 of the locking member 41, so that an external part is prevented from directly touching and damaging the locking section 413 of the exposed locking member 41.

Preferably, the first elastic member 35 and the second elastic member 43 are both springs.

In this embodiment, referring to fig. 9 and 10, an adjusting screw 18 is connected to the connection board 10, and an end of the adjusting screw 18 is disposed toward a side of the connection board 10 near the display screen box, and is used for adjusting a distance between the connection board 10 and the display screen box.

Specifically, when the connecting plate 10 is fixed on the side of the display screen box, the end part of the adjusting screw 18 is abutted on the display screen box, and the end part of the adjusting screw 18 drives the display screen box to move close to or away from the connecting plate 10 by rotating the adjusting screw 18, so that the adjustment of the distance between the display screen box and the connecting plate 10 is realized, the whole spliced display screen is ensured to have good flatness, and the display effect of the spliced display screen is improved.

In this embodiment, referring to fig. 1, 7 and 8, the connecting plate 10 includes connecting portions 12 respectively fastened to adjacent display screen boxes, and each connecting portion 12 is provided with the fastening mechanism 30, the locking mechanism 40 and the operating lever 20; the two adjacent connecting parts 12 are respectively provided with an inserting arm 13, a receiving arm 14 and a locking mechanism 15 for relatively fixing the inserting arm 13 and the receiving arm 14, the end face of the receiving arm 14 is provided with an arc inserting hole 141, the inserting arm 13 is arc-shaped and extends towards the receiving arm 14, and the inserting arm 13 is inserted into the arc inserting hole 141 and slides in the arc inserting hole 141 to adjust the included angle of the two adjacent connecting parts 12.

Specifically, in the splicing device of the embodiment of the invention, the connecting part 12 on the connecting plate 10 is firstly buckled on the corresponding protrusion of the display screen box body through the operation lever 20, then the inserting arm 13 is inserted into the arc-shaped inserting hole 141 on the receiving arm 14, and then the locking mechanism 15 locks the inserting arm 13 in the arc-shaped inserting hole 141, so that the adjacent connecting parts 12 on the connecting plate 10 are fixedly connected, and the two adjacent display screen box bodies are spliced; because the grafting arm 13 is circular-arc and the arc spliced eye 141 also is the arc setting, through grafting arm 13 in arc spliced eye 141 internal sliding, can change the contained angle between two adjacent connecting portions 12 to change the concatenation contained angle between two adjacent display screen boxes, after the concatenation angle of two adjacent display screen boxes is adjusted, reuse locking mechanism 15 is fixed grafting arm 13 and is accepted arm 14 can splice two adjacent display screen boxes together with specific angle, has realized the regulation of concatenation angle between two adjacent display screen boxes.

Further, the locking mechanism 15 includes a locking screw 151, a locking hole 142 communicated with the arc-shaped plugging hole 141 is formed on the surface of the receiving arm 14, the locking screw 151 is in threaded connection with the locking hole 142, the end portion of the locking screw 151 extends into the locking hole 142, a plurality of positioning grooves 131 are formed in the surface of the plugging arm 13, the plurality of positioning grooves 131 are sequentially and uniformly spaced along the extending direction of the plugging arm 13, when the receiving arm 14 and the plugging arm 13 are required to be locked, the locking screw 151 is only required to be screwed down, the end portion of the locking screw 151 is abutted in the positioning grooves 131, and the plugging arm 13 is fixed in the arc-shaped plugging hole 141 under the cooperation of the positioning grooves 131 and the locking screw 151, so that two adjacent display screen boxes are spliced together at a specific angle.

Further, the connecting plate 10 includes two connecting portions 12, and each connecting portion 12 is provided with a buckling mechanism 30, an operating lever 20 and a locking mechanism 15, so that the two connecting portions 12 can only respectively buckle two adjacent display screen boxes to achieve splicing between the two adjacent display screen boxes.

Further, the connecting plate 10 comprises two connecting portions 12, two buckling mechanisms 30, two operating levers 20 and two locking mechanisms 15 are arranged on each connecting portion 12, when the connecting plate is used, four display screen boxes are spliced together, the connecting plate 10 is buckled at the splicing corners of the four display screen boxes, each connecting portion 12 is respectively buckled with two adjacent display screen boxes, then the two connecting portions 12 are spliced together through the splicing arm 13, the receiving arm 14 and the locking mechanisms 15, and therefore the four display screen boxes can be spliced by the connecting plate 10.

Further, be equipped with connecting rope 16 and connector link 17 on the connecting plate 10, the one end of connecting rope 16 links to each other with connecting plate 10, and the other end of connecting rope 16 links to each other with the hasp, before the concatenation of display screen box, can earlier with the hasp lock on the display screen box, avoid connecting plate 10 to drop from the display screen box at the in-process of installation, simultaneously, the display screen box is after the concatenation is accomplished, if when the condition that connecting plate 10 drops from the display screen box appears, connecting rope 16 and connector link 17 can guarantee that connecting plate 10 can not drop ground, prevent to cause the injury to the personnel on ground.

In this embodiment, referring to fig. 9 and 10, the connecting plate 10 includes connecting portions 12 respectively fastened to adjacent display screen boxes, and each connecting portion 12 is provided with the fastening mechanism 30, the locking mechanism 40, and the operating lever 20; the adjacent two connecting parts 12 are respectively provided with a splicing arm 13 and a receiving arm 14 which are spliced with each other; the splicing device further comprises a telescopic mechanism 50, wherein the receiving arm 14 is fixedly installed on the corresponding connecting part 12, the inserting arm 13 is in sliding connection with the corresponding connecting part 12, and the telescopic mechanism 50 is connected between the inserting arm 13 and the connecting part 12 corresponding to the inserting arm 13 and is used for driving the inserting arm 13 to slide on the corresponding connecting part 12; or the plugging arm 13 is fixedly mounted on the corresponding connecting portion 12, the receiving arm 14 is slidably connected with the corresponding connecting portion 12, and the telescopic mechanism 50 is connected between the receiving arm 14 and the connecting portion 12 corresponding to the receiving arm 14 and is used for driving the receiving arm 14 to slide on the corresponding connecting portion 12.

Specifically, in the splicing device of the embodiment of the invention, the telescopic mechanism 50 is used for pulling the inserting arm 13 or the receiving arm 14 to slide along the surface of the connecting part 12, so that the gap between two adjacent connecting parts 12 is changed, and when the splicing device is installed on an adjacent display screen box body, the telescopic mechanism 50 is operated, so that the adjacent display screen box body is pulled to move relatively, and the gap between the adjacent display screens is changed; after the adjacent display screen boxes form a certain included angle, the telescopic mechanism 50 can be operated to move the adjacent display screens close to each other so as to achieve the purpose that the adjacent display screen boxes are tightly attached together, and no gap exists between the adjacent display screen boxes, so that the whole spliced display screen has a good display effect.

Further, the telescopic mechanism 50 includes a fixing block 51 and a double-end screw 52, the fixing block 51 fixes the connecting portion 12 through a fastening screw 55, a long-strip sliding hole 57 is formed in the connecting portion 12, a sliding screw 54 is connected to the bottom surface of the plugging arm 13, the sliding screw 54 is arranged in the long-strip sliding hole 57 in a penetrating manner and slides in the long-strip sliding hole 57, opposite external threads are arranged at two ends of the double-end screw 52, two ends of the double-end screw 52 are respectively in threaded connection with the fixing block 51 and the plugging arm 13, the double-end screw 52 is rotated, so that the plugging arm 13 is pulled to be close to or far away from the fixing block 51, and because the fixing block 51 is fixedly connected to the connecting portion 12, the plugging arm 13 moves in the long-strip sliding hole 57, so that two adjacent connecting portions 12 are driven to be close to and far from each other, and gaps between adjacent display screen boxes are adjusted.

Further, a turning knob 56 is provided in the middle of the double-ended screw 52 to facilitate the operator's grip of the turning double-ended screw 52.

Further, the telescopic mechanism 50 further comprises a guide rod 53, one end of the guide rod 53 is fixedly mounted on the plugging arm 13, the other end of the guide rod 53 is arranged in the fixed block 51 in a penetrating manner, when the double-headed screw 52 pulls the plugging arm 13 to move, the plugging arm 13 can only move along the axis of the guide rod 53 due to the guiding effect of the guide rod 53, and two adjacent connecting portions 12 can be stably close to each other.

In other embodiments, the telescopic mechanism may also be a gas spring, an electric push rod, a cylinder, etc., so as to drive the plugging arm 13 or the receiving arm 14 to slide along the surface of the connecting portion 12.

The embodiment of the invention also provides a spliced display screen, which comprises a plurality of mutually spliced display screen boxes, wherein a plurality of splicing devices are arranged between the two mutually spliced display screen boxes, and the buckling mechanisms 30 of the splicing devices are respectively buckled on the two adjacent display screen boxes.

Specifically, due to the adoption of the splicing device, the splicing process of the display screen box body is simple, the display screen box body can be repeatedly installed and disassembled, the splicing precision is not reduced due to the increase of the disassembly and assembly times, the spliced display screen box body can be conveniently disassembled, and meanwhile, the connecting plate 10 can be firmly and fixedly installed on the display screen box body, so that the adjacent display screen box bodies can be spliced together more reliably.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.

Claims

1. The utility model provides a splicing apparatus for splice adjacent display screen box together, its characterized in that: the splicing device comprises a connecting plate, an operating rod and a plurality of buckling mechanisms for buckling the display screen box body, wherein each buckling mechanism is arranged on the side surface of the connecting plate, which is opposite to the display screen box body, a first end of the operating rod is arranged on the buckling mechanism and used for controlling the buckling mechanism to move, and a second end of the operating rod is provided with a locking mechanism for locking the buckling mechanism buckled on the display screen box body with the display screen box body;

The buckling mechanism comprises a mounting cover, a sleeved column and a rotating shaft, wherein a containing hole is formed in the bottom of the mounting cover, a through hole is formed in the connecting plate, the mounting cover is fixedly mounted on the connecting plate, a sleeved hole used for being connected with the display screen box body is formed in the bottom of the sleeved column, the sleeved column is located in the containing hole, the through hole is communicated with the sleeved hole, and the sleeved column is hinged with the operating rod through the rotating shaft;

the accommodating hole comprises a small hole diameter section with a large hole diameter section communicated with the large hole diameter section, the large hole diameter section is arranged close to an opening of the accommodating hole, a plurality of mounting holes communicated with the sleeved holes are formed in the side part of the sleeved column, balls are arranged in the mounting holes, and the sleeved column drives the balls to move back and forth between the large hole diameter section and the small hole diameter section when moving along the axial direction of the accommodating hole;

the first end of the operating rod is provided with a first fork arm and a second fork arm which are respectively positioned at two sides of the mounting cover, the outer wall surface of the mounting cover is respectively provided with a first strip hole and a second strip hole which are oppositely arranged, and the first strip hole and the second strip hole extend along the axis of the accommodating hole; the two ends of the rotating shaft penetrate through the sleeved posts, and the two ends of the rotating shaft penetrate through the first strip holes and the second strip holes respectively and are hinged with the first fork arms and the second fork arms respectively;

the first fork arm is provided with a first straight surface and a first arc surface which are sequentially bent and connected, the first straight surface is opposite to the second end face of the operating rod, and the distance from the top point of the first arc surface to the axis of the rotating shaft is greater than the distance from the first straight surface to the axis of the rotating shaft;

The second fork arm is provided with a second straight surface and a second arc-shaped surface which are sequentially bent and connected, the second straight surface is opposite to the second end face of the operating rod, and the distance from the top point of the second arc-shaped surface to the axis of the rotating shaft is greater than the distance from the second straight surface to the axis of the rotating shaft;

the distance from the first straight surface to the rotating shaft axis is equal to the distance from the second straight surface to the rotating shaft axis, and the distance from the vertex of the first arc-shaped surface to the rotating shaft axis is equal to the distance from the vertex of the second arc-shaped surface to the rotating shaft axis.

2. The splicing device of claim 1, wherein: the locking mechanism comprises a locking piece and a fixed plate, the locking piece comprises a sliding section and a locking section locked with the display screen box body, the locking section is connected with the end part of the sliding section, the sliding section is perpendicular to the locking section, a sliding groove extending along the axis direction of the operating rod is formed in the side surface of the operating rod, the sliding section of the locking piece is slidably connected in the sliding groove, the fixed plate is fixedly mounted at the opening of the sliding groove and seals the opening of the sliding groove, and the locking section extends towards the connecting plate and penetrates through the connecting plate.

3. The splicing device of claim 2, wherein: an operation hole communicated with the sliding groove is formed in the end face of the second end of the operation rod, a pressing protrusion is arranged on the end face, close to the locking section, of the sliding section, and the pressing protrusion penetrates through the operation hole.

4. A splicing device according to any of claims 1-3, characterized in that: the display screen box is characterized in that an adjusting screw is connected to the connecting plate, the end part of the adjusting screw faces the side face of the connecting plate, which is close to the display screen box body, and the adjusting screw is used for adjusting the distance between the connecting plate and the display screen box body.

5. A splicing device according to any of claims 1-3, characterized in that: the connecting plates comprise connecting parts which are respectively buckled on the adjacent display screen boxes, and each connecting part is provided with the buckling mechanism, the locking mechanism and the operating rod;

the two adjacent connecting parts are respectively provided with an inserting arm and a bearing arm which are mutually inserted and a locking mechanism used for relatively fixing the inserting arm and the bearing arm, the end face of the bearing arm is provided with an arc-shaped inserting hole, the inserting arm extends towards the bearing arm in an arc shape, and the inserting arm is inserted in the arc-shaped inserting hole and slides in the arc-shaped inserting hole to adjust the included angle of the two adjacent connecting parts.

6. A splicing device according to any of claims 1-3, characterized in that: the connecting plates comprise connecting parts which are respectively buckled on the adjacent display screen boxes, each connecting part is provided with a buckling mechanism, a locking mechanism and an operating rod, and two adjacent connecting parts are respectively provided with a splicing arm and a receiving arm which are mutually spliced;

The splicing device further comprises a telescopic mechanism, the receiving arm is fixedly arranged on the corresponding connecting part, the inserting arm is in sliding connection with the corresponding connecting part, and the fixed end of the telescopic mechanism is arranged on the connecting part corresponding to the inserting arm; the telescopic mechanism is connected between the plug-in arm and the connecting part corresponding to the plug-in arm and is used for driving the plug-in arm to slide on the corresponding connecting part;

Or the inserting arm is fixedly arranged on the corresponding connecting part, the bearing arm is in sliding connection with the corresponding connecting part, and the telescopic mechanism is connected between the bearing arm and the connecting part corresponding to the bearing arm and is used for driving the bearing arm to slide on the corresponding connecting part.