CN108843151A - A kind of linkage lock body structure - Google Patents

Abstract

The invention discloses a linkage lock body structure, which includes a bolt lock box and two square bolt lock boxes respectively arranged on both sides of the bolt lock box; the bolt lock box includes a bolt box body, a telescopic bolt, The sliding block of the bolt, the return spring of the bolt, the rotating wheel, and the moving piece of the bolt; the telescopic bolt is connected with the sliding block of the bolt, and the box of the bolt is formed with a The tongue guide groove and the latch tongue sliding block is slidably connected with the latch tongue guide groove. The latch tongue driving piece is arranged on the outer periphery of the rotating wheel and is used to move the latch bolt sliding block to slide along the latch tongue guide groove. The return spring is used to drive the telescopic oblique tongue to pop up; the square tongue lock box includes a square tongue box body, a telescopic square tongue, a square tongue pull plate, a sliding push block, a square tongue return spring for driving the telescopic square tongue to pop up, and a pull plate Return spring and push block return spring; the square tongue pull plate slides along the direction perpendicular to the stretching direction of the telescopic square tongue, and the telescopic square tongue and the square tongue pull plate are in contact with each other through rollers and wedge-shaped surfaces; the pull plate return spring drives The square tongue pull plate moves in translation, and the push block return spring is used to drive the sliding push block to push the telescopic square tongue, and the transmission rod is connected and driven between the rotating wheel and the square tongue pull plate.

Description

A linkage lock body structure

technical field

The invention relates to the technical field of building hardware accessories, in particular to a linkage lock body structure.

Background technique

It is well known in the industry that the engineering lock bodies currently used in the field of architectural hardware are usually single-point lock bodies or linkage lock bodies. Single-point lock bodies have poor anti-theft performance and are mostly used for built-in doors. The interlocking lock body has strong anti-theft performance. However, due to its structural reasons, the existing interlocking lock body cannot realize the self-closing and self-locking function of the square tongue and must be locked by artificial transmission, which is inconvenient to use.

Contents of the invention

The purpose of the present invention is to overcome the disadvantages of the prior art and provide a linkage lock body structure that is novel in structure, easy to assemble and easy to adjust.

In order to achieve the above object, the technical solution adopted in the present invention is:

A linkage lock body structure, comprising a bolt lock box and two square bolt lock boxes respectively arranged on both sides of the bolt lock box; the bolt lock box includes a bolt box body, a telescopic bolt, and a bolt sliding block , a bolt return spring, a rotating wheel, and a bolt toggle piece; the telescopic bolt is connected to the bolt sliding block, and the bolt box is formed with a bolt guide groove extending in the same direction as the telescoping direction of the telescopic bolt and The latch tongue sliding block is slidably connected with the latch tongue guide groove, the latch tongue moving piece is arranged on the outer periphery of the rotating wheel and is used to move the latch tongue sliding block to slide along the latch tongue guide groove, and the latch tongue return spring is used for drive the telescopic oblique tongue to pop up; the square tongue lock box includes a square tongue box body, a telescopic square tongue, a square tongue pull plate, a sliding push block, a square tongue return spring for driving the telescopic square tongue to pop up, a pull plate return spring and a push block return spring; the square tongue pull plate slides along the telescopic direction perpendicular to the telescopic square tongue, and the telescopic square tongue and the square tongue pull plate are in contact with each other through rollers and wedge-shaped surfaces; the pull plate return spring drives the square tongue pull plate Translation, the push block return spring is used to drive the sliding push block to push the telescopic square tongue, and the transmission rod is connected and driven between the rotating wheel and the square tongue pull plate.

The beneficial effects of the present invention are: in the interlocking lock body structure of the present invention, the oblique bolt lock box and the square bolt lock box are connected through a transmission rod, and when the rotating wheel of the oblique bolt lock box rotates, the oblique bolt actuating piece drives The telescopic latch tongue shrinks, and at the same time, the drive rod is driven by the rotating wheel to make the square tongue pull plate synchronously translate. Since the square tongue pull plate and the telescopic square tongue are in contact with each other through the roller and the wedge surface, the expansion and contraction of the square tongue pull plate during the translation process The tongue is driven into the square tongue box body at the same time.

Further, the latch bolt lock box also includes a latch bolt adjustment mechanism, the latch bolt adjustment mechanism includes an adjustment slider and an adjustment block return spring for driving the adjustment slider to push the latch bolt slider, and the adjustment slider Translate along the direction perpendicular to the expansion and contraction of the telescopic latch bolt and the adjustment slider is in contact with the latch latch slider to limit the position. The needle guide groove extends along the sliding direction of the adjustment slider. After the above scheme is adopted in the present invention, the adjustment slider can be moved in translation by manually turning the needle, so that the adjustment slider can be pushed away from the retractable bolt to cancel its position-limiting effect on the bolt, and the telescopic bolt is under the action of the return spring of the bolt Push the latch further out of the latch box.

Further, the telescopic latch bolt is rotatably connected to the latch bolt sliding block through a rotating shaft, and the rotating shaft extends in the same direction as the retractable direction of the telescopic latch bolt. After the above structure is adopted in the present invention, when the telescopic bolt is further ejected to the outside of the bolt box under the action of the return spring, the slope of the telescopic bolt can be turned over by rotating the telescopic bolt to adapt to the door closing direction.

Further, the square tongue lock box also includes a touch mechanism, the touch mechanism includes a touch piece and a touch piece return spring for driving the touch piece out of the square tongue box, and the telescopic square tongue stays There is a square tongue slot engaged with the sliding push block. When the touch piece is retracted due to collision, the touch piece pushes the sliding push block out of the square tongue slot of the telescopic square tongue, and the square tongue return spring drives the telescopic square tongue Stretch out the square tongue box outside the body. After the above structure is adopted in the present invention, when the end of the touch piece protrudes from the square tongue box, the push block return spring drives the sliding push block to push the telescopic square tongue, when the telescopic square tongue is compressed until the sliding push block enters the telescopic square tongue When the square tongue is locked into the slot of the telescopic square tongue, the telescopic square tongue remains contracted; when the touch part is touched and retracted into the square tongue box, the touch part drives the sliding push block to break away from the square tongue slot of the telescopic square tongue, and the telescopic square tongue Rebound by the action of the square tongue return spring so as to stretch out of the square tongue box body.

Further, the transmission rod includes a main transmission rod and two auxiliary transmission rods, wherein the main transmission rod is installed on the oblique bolt lock box, and the two auxiliary transmission rods are respectively installed on the square bolt lock boxes on both sides, and The two ends of the main transmission rod are respectively connected with the two auxiliary transmission rods. After the above structure is adopted in the present invention, the length of a single piece of the transmission rod can be reduced, which is convenient for packaging and transportation.

Further, the rotating wheel sleeve is provided with a return torsion spring. The present invention adopts the reset torsion spring to drive the rotating wheel to reset and reverse.

Further, the end of the touch piece is formed with a guiding slope. The guide slope at the end of the touch piece is used to make the end of the touch piece shrink when the door is closed.

Description of drawings

Fig. 1 is a three-dimensional structural schematic diagram of State 1 of the present invention.

Fig. 2 is a schematic diagram of the three-dimensional structure of the second state of the present invention.

Fig. 3 is a three-dimensional schematic diagram of the third state of the present invention.

FIG. 4 is a partially enlarged view of area A in FIG. 1 .

Fig. 5 is an exploded perspective view of the present invention.

Fig. 6 is a three-dimensional exploded view of the bolt lock box of the present invention.

Fig. 7 is a three-dimensional exploded view of the square tongue lock box of the present invention.

Fig. 8 is a schematic view of the internal structure of the bolt lock box of the present invention.

Fig. 9 is a schematic diagram of the internal structure of the square tongue lock box of the present invention.

Among them, 1-Latch bolt lock box, 11-Latch bolt box body, 111-Latch bolt guide groove, 12-Telescopic latch bolt, 121-Latch bolt sliding block, 122-Latch bolt return spring, 123-Rotation shaft, 13-Rotation Wheel, 131-oblique tongue shifting piece, 133-reset torsion spring, 141-adjusting slider, 142-adjusting block return spring, 143-setting needle, 144-setting needle guide groove, 2-square tongue lock box, 21- Square tongue box body, 22-retractable square tongue, 221-wedge-shaped surface, 222-square tongue return spring, 223-square tongue slot, 23-square tongue pull plate, 231-pull plate return spring, 232-roller, 24- Sliding push block, 241-push block return spring, 251-touch piece, 252-touch piece return spring, 31-main transmission rod, 32-secondary transmission rod.

Detailed ways

The technical solutions claimed in the present invention will be described in further detail in conjunction with the accompanying drawings and specific embodiments.

Referring to Fig. 1 to Fig. 9, a linkage lock body structure in this embodiment includes a latch bolt lock box 1, two square bolt lock boxes 2 respectively arranged on both sides of the latch bolt lock box 1, and a transmission connecting the latch bolt lock box 1. The main transmission rod 31 and the auxiliary transmission rod 32 of the tongue lock box 1 and the square tongue lock box 2.

In this embodiment, the bolt lock box 1 includes a bolt box body 11 , a retractable bolt 12 , a bolt sliding block 121 , a bolt return spring 122 , a rotating wheel 13 and a bolt moving piece 131 . The telescopic latch bolt 12 is connected to the latch bolt sliding block 121. In this embodiment, the telescopic latch bolt 12 and the latch bolt sliding block 121 are rotationally connected by a rotating shaft 123, and the rotating shaft 123 is connected to the telescopic direction of the telescopic latch bolt 12. Extend in the same direction. The bolt box body 11 is formed with a bolt guide groove 111 extending in the same direction as the retractable bolt 12, and the bolt sliding block 121 is slidably connected with the bolt guide groove 111, and the bolt moving piece 131 is arranged on the outer periphery of the rotating wheel 13 and is used to move the latch bolt sliding block 121 to slide along the latch tongue guide groove 111. The latch bolt return spring 122 is used to drive the retractable latch bolt 12 to pop up. In this embodiment, 13 sets of rotating wheels A reset torsion spring 133 is provided to drive the rotating wheel 13 to reset and reverse, and the rotating wheel 13 is coaxially connected with the door handle so as to twist the rotating wheel 13 by using the door handle. In addition, in this embodiment, the latch bolt lock box 1 also includes a latch bolt adjustment mechanism, the latch bolt adjustment mechanism includes an adjustment slider 141 and an adjustment block for driving the adjustment slider 141 to push the latch bolt slider 121 Resetting spring 142, the adjustment slider 141 translates along the telescopic direction perpendicular to the telescopic latch 12 and the adjustment slider 141 resists the latch slider 121 to limit the position, the side of the adjustment slider 141 is provided with a setting needle 143, and A needle setting guide groove 144 matching the setting needle 143 is formed on the side of the oblique tongue box body 11 , and the setting needle guide groove 144 extends along the sliding direction of the adjusting slider 141 . The adjustment slider 141 can be moved in translation by manually turning the dial needle 143, so that the adjustment slider 141 is pushed away from the telescopic latch 12 to cancel its limiting effect on the latch. The bolt further pops out of the bolt box body 11, and when the telescopic bolt 12 further pops out of the bolt box body 11 under the action of the return spring, the inclined surface of the telescopic bolt 12 can be made to rotate by rotating the telescopic bolt 12. Flip to fit door closing orientation.

In this embodiment, the square tongue lock box 2 includes a square tongue box body 21, a telescopic square tongue 22, a square tongue pull plate 23, a sliding push block 24, a touch mechanism, and a square tongue for driving the telescopic square tongue 22 to pop up. Return spring 222, pull plate return spring 231 and push block return spring 241. The square tongue pull plate 23 slides along the telescopic direction perpendicular to the telescopic square tongue 22, and the telescopic square tongue 22 is in contact with the square tongue pull plate 23 through the roller 232 and the wedge-shaped surface 221. Specifically, in this embodiment, the telescopic square tongue A wedge-shaped surface 221 is formed on the lower side of the tongue 22, and a roller 232 is rotatably connected to the side of the square tongue pulling plate 23, and the roller 232 is in rolling contact with the wedge-shaped surface 221. When the square tongue pull plate 23 moves in translation, the roller 232 translates in the same direction so that the wedge-shaped surface 221 of the telescopic square tongue 22 is forced to move down, thereby driving the telescopic square tongue 22 to retract into the square tongue box body 21, and at the same time, the push block reset spring 241 drives the slide The push block 24 is pushed toward the telescopic square tongue 22, and when the sliding push block 24 enters the square tongue slot 223 of the telescopic square tongue 22, the telescopic square tongue 22 remains in a contracted state. The pull plate return spring 231 drives the square tongue pull plate 23 to translate in reverse, and at the same time, the roller 232 breaks away from the wedge-shaped surface 221 of the telescopic square tongue 22. When the telescopic square tongue 22 is in a contracted state, the end of the contact member 251 is retracted due to the collision. In the square tongue box body 21, the touch piece 251 drives the sliding push block 24 to break away from the square tongue slot 223 of the telescopic square tongue 22, and at the same time, the telescopic square tongue 22 is rebounded by the action of the square tongue return spring 222 to extend out of the square tongue box body 21 outside.

The push block return spring 241 is used to drive the sliding push block 24 to the telescopic square tongue 22, and the touch mechanism includes a touch piece 251 and a touch mechanism for driving the touch piece 251 to extend out of the box body 21 of the square tongue. Part return spring 252, in this embodiment, the end of the touch part 251 is formed with a guide slope, using the guide slope at the end of the touch part 251 to make the end of the touch part 251 contracted when the door is closed, when the When the end of the touch piece 251 stretches out, the push block return spring 241 drives the sliding push block 24 to the telescopic square tongue 22, and now the telescopic square tongue 22 retracts until the sliding push block 24 enters the direction of the telescopic square tongue 22. Tongue catch groove 223, the telescopic square tongue 22 keeps contracting state. In this embodiment, the main transmission rod 31 is installed on the latch bolt lock box 1, and the two auxiliary transmission rods 32 are respectively installed on the square bolt lock boxes 2 on both sides, and the two ends of the main transmission rod 31 are respectively connected with the two auxiliary transmission rods. The transmission rod 32 is connected. After the above structure is adopted in the present invention, the length of a single piece of the transmission rod can be reduced, which is convenient for packaging and transportation.

The working principle of this embodiment is as follows:

Referring to Fig. 1 again, when the door handle is loosened and the door leaf is opened, the telescopic bolt 12 stretches out of the bolt box body 11 driven by the bolt return spring 122, and the two side bolt lock boxes 2. Due to the translation of the square tongue pull plate 23, the roller 232 compresses the wedge-shaped surface 221 of the telescopic square tongue 22 and moves down, thereby driving the telescopic square tongue 22 to retract into the square tongue box body 21. For example, the sliding push block 24 enters the telescopic square tongue at this time 22 of the square tongue slot 223, the telescopic square tongue 22 remains in a contracted state.

Referring also to Fig. 2, when the contact piece 251 of the square tongue lock box 2 is touched and retracted into the square tongue box body 21, the touch piece 251 drives the sliding push block 24 to break away from the square tongue slot 223, and simultaneously the telescopic square tongue 22 is rebounded by the action of the square tongue return spring 222 so as to stretch out of the square tongue box body 21, and the door leaf is locked.

Referring to Fig. 3 again, when turning the handle of the door handle, when the turning wheel 13 of the bolt lock box 1 rotates, its bolt moving piece 131 drives the retractable bolt 12 to shrink, and the transmission rod is driven by the turning wheel 13 to make it The square tongue pull plate 23 is translated synchronously. Since the square tongue pull plate 23 is in contact with the telescopic square tongue through the roller 232 and the wedge-shaped surface 221, the telescopic square tongue 22 is simultaneously driven into the square during the translation process of the square tongue pull plate 23. In the tongue box body 21, now the door leaf is unlocked and can open the door smoothly.

The above-mentioned embodiments are only preferred embodiments of the present invention, and do not limit the present invention in any form. Any person familiar with the art, without departing from the scope of the technical solution of the present invention, can use the technical content disclosed above to make more possible changes and modifications to the technical solution of the present invention, or modify it into an equivalent embodiment with equivalent changes . Therefore, all equivalent and equivalent changes made according to the ideas of the present invention that do not deviate from the technical solutions of the present invention shall fall within the scope of protection of the present invention.

Claims (7)

1. A linkage lock body structure, characterized in that it includes a bolt lock box (1) and two square bolt lock boxes (2) respectively arranged on both sides of the bolt lock box (1); the bolt lock The box (1) includes the latch box body (11), the retractable latch bolt (12), the latch latch sliding block (121), the latch latch return spring (122), the rotating wheel (13) and the latch latch toggle piece (131) The telescopic bolt (12) is connected to the bolt sliding block (121), and the bolt box (11) is formed with a bolt guide groove (111) extending in the same direction as the telescopic bolt (12) stretches And the latch tongue sliding block (121) is slidingly connected with the latch tongue guide groove (111), and the latch tongue shifting piece (131) is arranged on the outer periphery of the rotating wheel (13) and is used to toggle the latch tongue sliding block (121 ) slides along the bolt guide groove (111), and the bolt return spring (122) is used to drive the telescopic bolt (12) to pop up; the square bolt lock box (2) includes a square bolt box body (21), a telescopic Square tongue (22), square tongue pull plate (23), sliding push block (24), square tongue return spring (222) for driving the retractable square tongue (22) to pop out, pull plate return spring (231) and push block Return spring (241); the square tongue pull plate (23) slides along the telescopic direction perpendicular to the telescopic square tongue (22), and the roller (232) passes between the telescopic square tongue (22) and the square tongue pull plate (23) Cooperate with the wedge-shaped surface (221); the pull plate return spring (231) drives the square tongue pull plate (23) to translate, and the push block return spring (241) is used to drive the sliding push block (24) to the telescopic direction The tongue (22), the rotating wheel (13) and the square tongue pull plate (23) are connected and driven through a transmission rod. 2. A linkage lock body structure according to claim 1, characterized in that: the latch bolt lock box (1) further includes a latch bolt adjustment mechanism, and the latch bolt adjustment mechanism includes an adjustment slider (141) And the adjustment block return spring (142) for driving the adjustment slider (141) to push the bolt slider (121), the adjustment slider (141) translates along the telescopic direction perpendicular to the telescopic bolt (12) and the The adjustment slider (141) resists the limit of the oblique tongue slider (121), the side of the adjustment slider (141) is provided with a dial needle (143), and the side of the oblique tongue box (11) is provided with a matching The needle setting guide groove (144) of the setting needle (143) is described, and the needle setting guide groove (144) extends along the sliding direction of the adjusting slider (141). 3. The interlocking lock body structure according to claim 1, characterized in that: the telescopic bolt (12) and the bolt sliding block (121) are rotationally connected by a rotating shaft (123), and the rotating shaft (123) extends in the same direction as the telescopic direction of the telescopic latch tongue (12). 4. A linkage lock body structure according to claim 1, characterized in that: the transmission rod includes a main transmission rod (31) and two auxiliary transmission rods (32), wherein the main transmission rod (31) Installed on the oblique bolt lock box (1), the two auxiliary transmission rods (32) are respectively installed on the square bolt lock boxes (2) on both sides, and the two ends of the main transmission rod (31) are respectively connected with the two auxiliary transmission rods (32) CONNECTION. 5. The interlocking lock body structure according to claim 1, characterized in that: the square bolt lock box (2) also includes a touch mechanism, and the touch mechanism includes a touch piece (251) and a To drive the touch piece (251) out of the touch piece return spring (252) outside the square tongue box body (21), the telescopic square tongue (22) has a square tongue that engages with the sliding push block (24) The slot (223), when the touch piece (251) is retracted by the collision, the touch piece (251) pushes the sliding push block (24) out of the square tongue slot (223) of the telescopic square tongue (22), The square tongue return spring (222) drives the telescopic square tongue (22) to stretch out the square tongue box body (21). 6. The interlocking lock body structure according to claim 1, characterized in that: the rotating wheel (13) is sheathed with a return torsion spring (133). 7. The interlocking lock body structure according to claim 1, characterized in that: the end of the touch piece (251) is formed with a guiding slope.