CN114468673B - Just, tear combination formula children's seat open - Google Patents

Abstract

The application discloses a convenient-to-disassemble combined child seat, which relates to the technical field of vehicle-mounted appliances and comprises a seat and a seat body, wherein an adjusting mechanism for adjusting the inclination angle of the seat body is arranged on the seat, and comprises: the chair body is movably connected to the chair seat through the connecting component; the application relates to an angle deflection control assembly, which comprises a worm connected to a chair seat in a rotating way, wherein the worm is meshed with an arc rack fixed on a chair body, so that the inclination angle of the chair body on the chair seat is controlled.

Description

Just, tear combination formula children's seat open

Technical Field

The application relates to the technical field of vehicle-mounted tools, in particular to a convenient-to-detach combined child seat.

Background

As child riding safety continues to be a premium, it has become mandatory to equip vehicles in which children under 12 years old sit with child safety seats, and various types of easy-to-disassemble combination child seats emerge in the market.

The prior Chinese patent publication number is as follows: CN104627037B, entitled "car child safety seat", which includes a "base and a seat body; a telescopic fixed rod is arranged on the base; a rotation adjusting mechanism for adjusting the rotation angle of the base is arranged in the base; the bottom of the chair body is provided with an inclination angle adjusting mechanism for adjusting the inclination angle of the chair body and an adjustable headrest arranged on the chair body; the rotation adjusting mechanism comprises a rotating disc and a locking buckle which are arranged in the base; the inclination angle adjusting mechanism comprises a supporting frame arranged on the rotating disc and an angle adjuster arranged at the bottom of the chair body; can 360 degrees rotations and fix in four positions about, can adjust the inclination of chair body simultaneously and increase the comfort level when children take, can adapt to the requirement of taking of children of great age span and different heights.

In actual use, because the clothes of the children and the chair body or the long road section of the automobile running have slope inclination angles, the optimal sitting inclination angle can be influenced when the children actually sit, in the prior art, when the chair body of the easy-to-detach combined type child seat is subjected to inclination adjustment, the deflection of the chair body can only be limited on fixed angles, such as fixed included angles of 30 degrees, 45 degrees, 60 degrees and the like, the selection range of angle fixation is limited, and the adjustment condition cannot be met.

Disclosure of Invention

The application aims to provide a convenient-to-disassemble combined child seat, which solves the defects in the prior art.

In order to achieve the above object, the present application provides the following technical solutions:

the utility model provides a just, tear combination formula children's seat open, includes seat support and chair body, install the adjustment mechanism who is used for adjusting chair body inclination on the seat support, adjustment mechanism includes:

the chair body is movably connected to the chair seat through the connecting component;

and the deflection angle control assembly comprises a worm rotatably connected to the chair seat, and the worm is meshed with an arc rack fixed on the chair body, so that the inclination angle of the chair body on the chair seat is controlled.

Preferably, the connecting assembly comprises two side plates fixed on two sides of the seat respectively, and the chair bodies of the side plates are rotationally connected through a shaft column.

Preferably, the top of the chair seat is provided with a containing cavity for containing the bottom of the chair body, and the bottom of the containing cavity is provided with a placing cavity for placing the worm.

Preferably, the end part of the worm is fixedly penetrated with a shaft lever, and one end of the shaft lever extending out of the outer side of the seat is fixedly provided with a knob block.

Preferably, a cylindrical cavity is formed in the worm, a spiral strip is fixed on the inner wall of the cylindrical cavity, and an elastic deformation unit fixed on the shaft rod is arranged in the cylindrical cavity.

Preferably, the elastic deformation unit comprises a cylindrical block fixed with the shaft rod, a plurality of inserting holes are formed in the side face of the cylindrical block, movable columns are inserted in the inserting holes, and the inserting ends of the movable columns are connected with the bottoms of the inserting holes through first springs.

Preferably, inclined surface parts are arranged at one side of the extending end of each movable column, which faces the spiral strip.

Preferably, a limiting disc is fixed on the shaft lever.

Preferably, the circle center of the arc rack is coincident with the shaft column.

Preferably, the chair body is fixed with an electronic horizontal display.

According to the technical scheme, the connecting component and the deflection angle control component are arranged between the seat and the seat body, and the worm capable of moving with the arc rack through adjusting the worm, so that the selection range of the conveniently-detached combined child seat in angle fixing is improved, namely, the seat body can be locked at any inclination angle, the angle adjustment requirements under more conditions are met, in addition, the adjustment stopping and immediate locking are realized in the adjustment process, the unlocking effect can be realized when the adjustment is needed, and the adjustment step is simplified.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic side view of a child seat of the present application in a readily removable combination;

FIG. 2 is a schematic cross-sectional view of the seat of FIG. 1 according to the present application;

FIG. 3 is a schematic view of a worm in a normal position of a conveniently detachable modular child seat according to the present application;

FIG. 4 is an enlarged view of the application at A in FIG. 3;

FIG. 5 is an enlarged view of the application at B in FIG. 3;

FIG. 6 is a schematic view of a worm in a reclined position of a readily removable modular child seat according to the present application.

Reference numerals illustrate:

1. a seat; 1.1, a containing cavity; 1.2, placing the cavity; 2. a chair body; 2.1, an electronic horizontal display; 3. a connection assembly; 3.1, side plates; 3.2, a shaft post; 4. a deflection angle control assembly; 4.1, a worm; 4.2, arc racks; 4.3, a shaft lever; 4.31, limit disc; 4.4, a knob block; 4.5, cylindrical cavity; 4.6, spiral strips; 4.7, an elastic deformation unit; 4.71, cylindrical blocks; 4.72, inserting holes; 4.73, a movable column; 4.74, a first spring; 4.75, bevel portion; 8. a buckle unit; 8.1, mounting plate; 8.2, a clamping groove; 8.3, inserting a column; 8.4, a sleeve; 8.5, a second spring.

Detailed Description

In order to make the technical scheme of the present application better understood by those skilled in the art, the present application will be further described in detail with reference to the accompanying drawings.

Referring to fig. 1-6, the easy-to-disassemble combined child seat provided by the embodiment of the application comprises a seat 1 and a seat body 2, wherein an adjusting mechanism for adjusting the inclination angle of the seat body 2 is installed on the seat 1, and the adjusting mechanism comprises:

the chair body 2 is movably connected to the chair seat 1 through the connecting component 3;

the deflection angle control assembly 4 comprises a worm 4.1 rotatably connected to the seat 1, and the worm 4.1 is meshed with an arc rack 4.2 fixed on the seat 2, so as to control the inclination angle of the seat 2 on the seat 1.

Specifically, coupling assembling 3 is including being located seat support 1 both sides and the semicircle board that is fixed mutually with seat support 2, seat support 1 is close to one side of semicircle board and has been seted up the arc track groove, the interior slip adaptation in arc track groove is equipped with the gyro wheel of rotating the installation with the semicircle board, thereby make seat support 2 can take place the slope for seat support 1, worm 4.1 and arc rack 4.2 all are located between seat support 1 and the seat support 2, the arc line of arc rack 4.2 coincides with the profile track line when seat support 2 slope deflects, worm 4.1 rotates with seat support 1 to be connected, arc rack 4.2 includes the arc, a plurality of tooth's sockets that can take place the meshing with worm 4.1 have been seted up to the outer arc limit of arc.

In the in-service use, when worm 4.1 takes place to rotate the time to arc rack 4.2 produce the driving force, chair body 2 is deflected along arc track groove through the gyro wheel this moment, when worm 4.1 stops rotating, the meshing between worm 4.1 and the arc rack 4.2 plays the locking effect to the deflection of chair body 2 this moment, whole process easy operation has improved the angle regulation demand under more circumstances of just tearing open combination formula children's seat when fixed, has realized stopping regulation in the regulation in-process moreover, lock immediately, can the unblock effect when needing to adjust, the regulation step has been simplified.

As a preferred technical scheme of the embodiment, the connecting component 3 comprises two side plates 3.1 respectively fixed at two sides of the seat 1, the outline of the plate body of each side plate 3.1 is triangular, the top end of each side plate 3.1 extends out of the cushion plate of the seat 1, the seat bodies 2 of each side plate 3.1 are rotationally connected through the shaft posts 3.2, so that the seat bodies 2 can incline and deflect on the seat 1, the deflection direction of the seat bodies 2 is the front deflection of the seat bodies 2, the deflection range of the seat bodies 2 is 90 degrees, the seat bodies 2 have two positions, namely an upright position and a lying position, wherein when the seat bodies 2 are in the upright position, the included angle between the back faces of children and the stress direction is 90 degrees, the stress area of the children is the largest at the moment, the damage of inertia to the children is reduced, when the chair body 2 is in the lying position, the included angle between the backrest of the chair body 2 and the horizontal plane is 0 degrees, the position of the chair body 2 between the upright position and the lying position is the reclining position, preferably, when the chair body 2 is in the reclining position, the included angle between the backrest of the chair body 2 and the horizontal plane is 45 degrees, further, the backrest end of the chair body 2 is the advancing end in the process of deflecting the chair body 2 from the reclining position to the upright position, and the seat cushion end of the chair body 2 is the advancing end in the process of deflecting the chair body 2 from the upright position to the reclining position, and it is required to be specially explained that the included angle between the backrest of the chair body 2 and the horizontal plane is 90 degrees when the chair body 2 is in the upright position.

As the preferred technical scheme of this embodiment, hold chamber 1.1 that holds the bottom of seat support 1 has been seted up at the top of seat support 1, the bottom of seat support 2 is the semicircle spherical bottom, hold chamber 1.1's cavity for with the hemispherical chamber of the bottom looks adaptation of seat support 2, hold chamber 1.1 on install a plurality of supporting wheels that contact with the bottom of seat support 2, the wheel body of each supporting wheel plays the bearing effect to the bottom of seat support 2, hold chamber 1.1's bottom has seted up the chamber 1.2 of placing worm 4.1, place chamber 1.2 and be rectangular chamber, place the central point of chamber 1.2 cavity and hold chamber 1.1 chamber bottom central point coincidence, arc rack 4.2 is fixed with the bottom of seat support 2, the centre of a circle of arc rack 4.2 and the centre of a circle of semicircle spherical bottom of seat support 2 coincide, the axial lead of worm 4.1 and the length direction of placing chamber 1.2 are parallel, the body of rod length numerical value of worm 4.1 is the numerical value of placing chamber 1.2, place the axial lead 3.2 and the axial lead to be the actual rack 2 and take place in the arc 2, make the arc 2 take place in the seat support 2, the effect is realized in the seat support 2, the arc is 2 through the fact in the fact that the arc is deflected in the arc is 2, the arc is adjusted to the effect is 2.

As the preferred technical scheme of this embodiment, the tip fixed of worm 4.1 runs through has axostylus axostyle 4.3, axostylus axostyle 4.3 is the whole complete body of rod, axostylus axostyle 4.3's axial lead coincides with the axial lead of worm 4.1, and the one end of axostylus axostyle 4.3 is connected with placing chamber 1.2 rotation, and the other end activity of axostylus axostyle 4.3 runs through in seat support 1 outside, and the one end that axostylus axostyle 4.3 stretches out in seat support 1 outside is fixed with knob piece 4.4, in the in-service use, twists knob piece 4.3 makes axostylus axostyle 4.3 drive worm 4.1 and takes place to rotate.

As the preferred technical scheme of this embodiment, cylindrical cavity 4.5 has been seted up to worm 4.1 inside, be connected through buckle unit 8 between worm 4.1 and the axostylus axostyle 4.3, play fixed connection effect between worm 4.1 and axostylus axostyle 4.3, the effect of driving is played to the rotation of worm 4.1 to axostylus axostyle 4.3, the cross section internal contour line of cylindrical cavity 4.5 is circular, the axial lead of cylindrical cavity 4.5 coincides with the axial lead of worm 4.1, cylindrical cavity 4.5 inner wall is fixed with spiral 4.6, the straight line distance numerical value between the head end of spiral 4.6 to spiral 4.6 tail end is the same with the distance numerical value between the cavity both ends of cylindrical cavity 4.5, spiral 4.6 is the stereoplasm, the pitch is the spiral, the pitch between spiral 4.6 is the same, the positive projection's contour line of tip direction of spiral 4.6 is circular, the strip body all is protruding in cylindrical cavity inner wall of cylindrical cavity 4.5, the shape and spring are the same kind spiral structure, the spiral 4.6's shape is the numerical value that the spiral 4.6 receives the spiral 4.6 when the spiral 4.6 is not received in any direction, the numerical value of the equal to the spiral 4.6 on the equal numerical value of the spiral 4, the numerical value is equal to the numerical value of the spiral 4, the numerical value of the deformation of the spiral 4 is 1, the numerical value is on the spiral 4 is the equal to the numerical value of the spiral 4.

The elastic deformation units 4.7 fixed on the shaft rod 4.3 are arranged in the cylindrical cavity 4.5, when the elastic deformation units 4.7 relatively move in the axial direction of the cylindrical cavity 4.5, the elastic deformation units 4.7 collide with the spiral strips 4.6, and the elastic deformation units 4.7 elastically deform, so that resistance is formed when the worm 4.1 moves along the axial direction of the shaft rod 4.3, the elastic deformation units 4.7 can be selected to be multiple, and preferably, the number of the elastic deformation units 4.7 is three.

As a preferred technical scheme of the embodiment, the elastic deformation unit 4.7 includes a cylindrical block 4.71 fixed with the shaft lever 4.3, the axial lead of the cylindrical block 4.71 coincides with the axial lead of the shaft lever 4.3, a plurality of plug holes 4.72 are formed in the side surface of the cylindrical block 4.71, the movable column 4.73 is inserted into each plug hole 4.72, the axial lead of the movable column 4.73 is perpendicular to the axial lead of the shaft lever 4.3, the insertion end of the movable column 4.73 is connected with the bottom in the plug hole 4.72 through a first spring 4.74, a bevel part 4.75 is formed at one side of the extending end of each movable column 4.73 facing the spiral strip 4.6, in actual use, when the elastic deformation unit 4.7 and the spiral strip 4.6 move oppositely, the bevel part 4.75 and the spiral strip 4.6 are extruded at the moment until the movable column 4.73 enables the first spring 4.74 to deform, the movable column 4.73 is inserted into the hole 4.72, when the movable column 4.73 is separated from the spiral strip 4.73, and the cross section of the movable column 4.72 is further extended out of the spiral column 4.6, and the plug holes are prevented from the movable column 4.72.

It should be further noted that, one end of the worm 4.1, which is close to the knob block 4.4, is the right end, one end of the worm 4.1, which is far away from the knob block 4.4, is the left end, the worm 4.1 has two positions in the placement cavity 1.2, namely, a normal position when the right end of the worm 4.1 is attached to the placement cavity 1.2, and a stopping position when the left end of the worm 4.1 is attached to the placement cavity 1.2, when the worm 4.1 is in the normal position, the worm 4.1 is driven by the shaft lever 4.3, at this time, the worm 4.1 synchronously rotates along with the shaft lever 4.3, namely, the knob block 4.4 is twisted to enable the shaft lever 4.3 to drive the worm 4.1 to rotate, so as to perform stepless adjustment deflection on the chair body 2 at the chair seat 1, when the worm 4.1 is in the stopping position, the locking unit 8 is in a failure state, at this time, the worm 4.1 does not keep synchronously rotating with the placement cavity 1.2, the driving function of the rotation of the worm 4.3 on the worm 4.1 is failed, and when the worm 4.3 is in the normal position, the rotation of the shaft lever 4.3 is enabled to slide along the shaft lever 4.3, and the shaft lever 4.3 moves along the shaft lever 4.3, thereby enabling the spindle 4.3 to slide along the shaft lever 4.3, and the spindle 4.3 to slide along the shaft 4.3.

In actual normal use, for example, when the chair body 2 is opposite to the running direction of the vehicle, the worm 4.1 is in a normal position, the shaft lever 4.3 drives the worm 4.1 to rotate by twisting the knob block 4.4, so that the chair body 2 is subjected to stepless adjustment deflection effect on the chair seat 1, when the running direction of the vehicle collides, the worm 4.1 moves from the normal position to the stopping position under the action of inertia force, and meanwhile, the chair body 2 is rapidly changed from the lying position or the inclined lying position to the upright position, so that impact injury caused by inertia is reduced for children;

in the process that the worm 4.1 moves from the normal position to the stopping position, the elastic deformation unit 4.7 collides with the spiral strip 4.6, at this time, the elastic deformation unit 4.7 elastically deforms, so that resistance is formed when the worm 4.1 moves axially along the shaft rod 4.3, further, an elastic buffer material movably sleeved on the shaft rod 4.3 is arranged between the left end of the worm 4.1 and the placing cavity 1.2, such as a spring piece and an elastic air cushion, the buffer effect of the worm 4.1 in the process that the worm 4.1 moves from the normal position to the stopping position is improved, in addition, when the worm 4.1 is in the stopping position, the elastic deformation unit 4.7 is clamped with the spiral strip 4.6, the locking effect is realized on the seat body 2 in the vertical position, repeated shaking of the seat body 2 is prevented, when the shaft rod 4.3 rotates from the stopping position, at this time, the movable column 4.73 slides along the spiral strip 4.6, the axial direction of the spiral strip 4.6 is generated by the movable column 4.73, so that the axial direction of the spiral strip 4.6 is reset, and at this time, the seat body 4.1 returns to the normal position along with the normal position, and the normal position is reset, and the movement of the seat body 2 is corrected, and the movement of the seat body 2 is reset, and the normal position is reset, and the movement is carried out along with the normal position, and the normal position is carried by the movement of the seat body 2;

it should be further noted that, the fastening unit 8 includes a mounting plate 8.1 located between the right end of the worm 4.1 and the cavity wall of the placement cavity 1.2, and a clamping groove 8.2 formed at the right end of the worm 4.1, preferably, the clamping groove 8.2 is a blind hole, the number of the clamping grooves 8.2 is multiple, preferably, the number of the clamping grooves 8.2 is three, each clamping groove 8.2 is uniformly distributed on the same annular line taking the worm 4.1 as the center of the circle at the end of the right end of the worm 4.1, the mounting plate 8.1 is a circular plate, the center of the mounting plate 8.1 is fixed with the shaft rod 4.3, the mounting plate 8.1 is attached in parallel with the cavity wall of the placement cavity 1.2, a straight plug 8.3 is inserted in the clamping groove 8.2, the axis of the straight plug 8.3 is parallel with the axis of the worm 4.1, one end of the straight plug 8.3 far from the clamping groove 8.2 is movably sleeved with a sleeve 8.4, the sleeve 8.4 is fixed with the mounting plate 8.1, the center of the straight plug 8.4 is fixed with the straight plug 8.3 through the second straight plug 8.3, and the straight plug 8.3 is a sliding ball is connected with the end of the straight plug 8.3;

in the process that the worm 4.1 moves from the stopping position to the normal position, along with the reduction of the distance between the right end of the worm 4.1 and the mounting plate 8.1, at the moment, the straight inserting column 8.3 is extruded by the right end of the worm 4.1 to move into the sleeve 8.4, meanwhile, the movement track of the straight inserting column 8.3 on the right end of the worm 4.1 coincides with the annular line formed by each clamping groove 8.2 on the right end of the worm 4.1, when the inserting column 8.3 coincides with each clamping groove 8.2, the inserting column 8.3 is spliced with each clamping groove 8.2 under the action of the second spring 8.5, at the moment, the fixing connection action between the worm 4.1 and the shaft rod 4.3 is restored by the clamping unit 8, and similarly, when the inserting column 8.3 is separated from the clamping grooves 8.2, at the moment, the fixing connection action between the worm 4.1 and the shaft rod 4.3 is invalid.

In still another embodiment provided by the application, the clamping groove 8.2 of the buckling unit 8 is positioned on the end cavity wall of the cylindrical cavity 4.5 near the left end of the worm 4.1, the sleeve 8.4 is directly fixed with the end of the cylindrical block 4.71, when the inserting posts 8.3 are overlapped with the clamping grooves 8.2, the inserting posts 8.3 are inserted into the clamping grooves 8.2 under the action of the second springs 8.5, the buckling unit 8 resumes the fixed connection effect between the worm 4.1 and the shaft lever 4.3, and when the inserting posts 8.3 are separated from the clamping grooves 8.2, the fixed connection effect between the buckling unit 8 and the worm 4.1 and the shaft lever 4.3 is disabled.

As a preferred technical solution of this embodiment, the shaft lever 4.3 is fixed with the limiting disc 4.31, the limiting disc 4.31 and the mounting plate 8.1 have the same structure, and it should be specifically noted that the number of the limiting discs 4.31 on the shaft lever 4.3 is two, the two limiting discs 4.31 are respectively located at two ends of the worm 4.1, and the two limiting discs 4.31 are both in contact with the cavity wall of the placing cavity 1.2, so as to limit the movement of the shaft lever 4.3 in the axial direction and prevent the shaft lever 4.3 from moving in the axial direction.

As a preferred technical solution of this embodiment, the center of the arc rack 4.2 coincides with the axis of the axle post 3.2, so as to ensure that the arc rack 4.2 rotates around the axle post 3.2.

As the preferred technical scheme of the embodiment, the electronic horizontal display 2.1 is fixed on the chair body 2, so that the horizontal angle of the chair body 2 is conveniently known in real time, the horizontal state of the chair body 2 is known in time, and a good reference effect is achieved for the inclination adjustment of the chair body 2.

While certain exemplary embodiments of the present application have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the application. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the application, which is defined by the appended claims.

Claims (6)

1. The utility model provides a just, tear combination formula children's seat open, includes seat support (1) and seat support (2), its characterized in that, install the adjustment mechanism who is used for adjusting seat support (2) inclination on seat support (1), adjustment mechanism includes:

the chair body (2) is movably connected to the chair seat (1) through the connecting component (3);

the deflection angle control assembly (4) comprises a worm (4.1) rotatably connected to the seat (1), and the worm (4.1) is meshed with an arc rack (4.2) fixed on the seat (2) so as to control the inclination angle of the seat (2) on the seat (1);

the end fixing of worm (4.1) runs through axostylus axostyle (4.3), axostylus axostyle (4.3) stretches out in the one end in seat support (1) outside and is fixed with knob piece (4.4), cylindricality chamber (4.5) have been seted up to worm (4.1) inside, cylindricality chamber (4.5) inner wall is fixed with spiral strip (4.6), be equipped with in cylindricality chamber (4.5) and be fixed with elastic deformation unit (4.7) on axostylus axostyle (4.3), elastic deformation unit (4.7) include with axostylus axostyle (4.3) looks fixed cylindrical piece (4.71), a plurality of spliced eyes (4.72) have been seted up to the side of cylindrical piece (4.71), each all peg graft in spliced eyes (4.72) movable column (4.73), the tip of movable column (4.73) all is connected with the bottom in spliced eyes (4.72) through first spring (4.74), each movable column (4.73) stretches out end towards spiral strip (4.6) and has seted up oblique face portion (4.75).

2. A child seat according to claim 1, wherein the connecting assembly (3) comprises two side plates (3.1) respectively fixed to two sides of the seat (1), and the seat bodies (2) of the side plates (3.1) are rotatably connected by a shaft post (3.2).

3. The conveniently detached combined child seat according to claim 1, wherein a containing cavity (1.1) for containing the bottom of the seat body (2) is formed in the top of the seat (1), and a placing cavity (1.2) for placing the worm (4.1) is formed in the bottom of the containing cavity (1.1).

4. A child seat according to claim 1, wherein the axle (4.3) is fixed with a limit disc (4.31).

5. A child seat according to claim 2, wherein the centre of the arc rack (4.2) coincides with the axle column (3.2).

6. The easy-to-disassemble combined child seat according to claim 1, wherein the electronic level display (2.1) is fixed on the seat body (2).