CN212233794U

CN212233794U - Back cushion structure

Info

Publication number: CN212233794U
Application number: CN202020244128.3U
Authority: CN
Inventors: 张玉结
Original assignee: Xiamen Walda Intelligent Technology Co Ltd
Current assignee: Xiamen Walda Intelligent Technology Co Ltd
Priority date: 2020-03-03
Filing date: 2020-03-03
Publication date: 2020-12-29
Anticipated expiration: 2030-03-03
Also published as: WO2021174646A1

Abstract

The utility model provides a cushion structure, including leaning on the backing plate, the base plate and connect in the sliding connection group who leans on between backing plate and the base plate, the both sides of base plate are equipped with the sliding tray respectively, be equipped with a plurality of location blind hole longitudinal arrangement in the sliding tray, sliding connection group is including a base, be equipped with an upper cover on the base, the both sides of base are spacing reciprocates in the sliding tray, it has at least one can connect fixed to the back cushion stationary blade who leans on the backing plate dorsal part to stretch to the evagination on the base, be equipped with one in the upper cover and draw the button, draw the inner of button and connect a pin, the pin passes the base location to the location blind hole in, the button that draws that outwards to pull drives the pin and pulls out the back location blind hole and. The utility model discloses a modular assembly for it is convenient to install, and need not leave the seat when adjusting by the backing plate height, only needs to pull up gently and draws the button alright completion.

Description

Back cushion structure

Technical Field

The utility model relates to a back cushion, in particular to a back cushion structure.

Background

The back cushion can be widely applied to various seats, can meet the human engineering by designing the back cushion, and can be adjusted according to the use requirement so as to improve the comfort of the cushion. A lot of cushion of current are generally adjusted through pressing the button, and when the height of backing plate was adjusted to needs, need press the button all the time, the button can withstand the base plate that is located the rear, can produce the difficult instant regulation of reaction force like this, perhaps need take off the cushion from the seat and just can adjust, bring inconvenience for the operation. Moreover, the back cushion generally adopts the assembly of integral type, and the equipment is difficult at first, and moreover the volume is too big, has increased the cost of transportation.

In view of this, the present designer is able to conceive of many defects and inconveniences caused by the incomplete improvement of the existing cushion structure design, and actively research, improve and try to develop and design the present invention.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cushion structure, it passes through the modularized assembly for it is convenient to install, and need not leave the seat when adjusting by the backing plate height, only needs to pull up gently and draw the button alright completion.

To achieve the above object, the solution of the present invention is:

the utility model provides a cushion structure, including leaning on the backing plate, the base plate and connect in the sliding connection group who leans on between backing plate and the base plate, the both sides of base plate are equipped with the sliding tray respectively, be equipped with a plurality of location blind hole longitudinal arrangement in the sliding tray, sliding connection group is including a base, be equipped with an upper cover on the base, the both sides of base are spacing reciprocates in the sliding tray, it has at least one can connect fixed to the back cushion stationary blade who leans on the backing plate dorsal part to stretch to the evagination on the base, be equipped with one in the upper cover and draw the button, draw the inner of button and connect a pin, the pin passes the base location to the location blind hole in, the button that draws that outwards to pull drives the pin and pulls out the back location blind hole and.

Furthermore, the pull button comprises a cylindrical part formed on the bottom surface of a cap part, a tubular upper cover convex column is formed on the outer side surface of the upper cover, the cylindrical part of the pull button penetrates into the upper cover convex column, a reset spring limited in the upper cover convex column is sleeved on the cylindrical part, and the rear end of the reset spring abuts against the pin.

Furthermore, the rear end of the reset spring is abutted against the cap part of the pin, a limit boss is arranged on the cap part of the pin and aligned with a pull button limit hole on the bottom surface of the pull button cylinder part, and then the pin is locked in the pin after the pull button cap part penetrates through the cylinder part through a screw.

Furthermore, the middle part of the pull button is provided with a column hole for a screw to penetrate through, and the cap part of the pull button is also plugged with a pull button cap to cover the column hole.

Furthermore, the two sides of the base are provided with side lugs which can be inserted into the sliding groove for propulsion, and the lower end of the sliding groove is provided with an elastic buckle which can limit the base to move up and down in the sliding groove and can not be pulled out.

Furthermore, the back cushion fixing piece is arranged on a folding leg of a torsion spring, and the torsion spring is fixed on the base.

Furthermore, the upper end and the lower end of each base are respectively fixed with a back cushion fixing piece, the rear part of the back cushion plate is provided with a fixing opening which presses the back cushion fixing piece into the base for fixing, and the two side edges of the fixing opening are provided with positioning buckles which can position and buckle the back cushion fixing piece.

Furthermore, the bottom surface of the fixing port is provided with a limiting rib, the positioning buckle is positioned above the limiting rib, and after the cushion fixing piece is pressed into the limiting rib in the fixing port, the cushion fixing piece is buckled by the positioning buckles on the two sides of the fixing port.

The utility model discloses during the use, need not to leave the seat when adjusting the height that leans on the backing plate, only need stimulate gently and draw the button and can realize upper and lower regulation, it is more convenient to use. The utility model discloses adopt the modularization during the assembly, the cushion stationary blade among the sliding connection group is directly impressed and is leaned on dorsal fixed orifices of backing plate internal fixation, spacing back in the spout of the both sides ear disect insertion base plate of base, alright completion assembly, it is simple and easy more convenient in the installation, the modularization packing makes the cost of transportation lower.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is an exploded view of the present invention;

fig. 3 is a schematic perspective view of the middle back cushion plate of the present invention;

fig. 4 is a schematic perspective view of the base plate of the present invention;

FIG. 5 is a schematic view of the assembly of the sliding connection set and the back cushion plate of the present invention;

FIG. 6 is a schematic view of the assembly of the upper cover and the spring base of the sliding connection set of the present invention;

FIG. 7 is a schematic view of the assembly of the sliding connection set and the base plate and the adjustment of the pull button according to the present invention;

fig. 8 is a perspective view of the sliding connection set of the present invention;

FIG. 9 is an exploded view of the sliding coupling assembly of the present invention;

FIG. 10 is a schematic cross-sectional view of the assembly of the sliding connection set and the base plate of the present invention;

fig. 11 is a schematic cross-sectional view of the sliding connection assembly and the base plate according to the present invention.

Detailed Description

In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.

As shown in fig. 1 and 2, the utility model discloses a back cushion structure, the back cushion includes backing plate 1, base plate 2 and connects in the sliding connection group 3 between backing plate 1 and base plate 2, is equipped with sliding tray 21 respectively in the both sides of base plate 2, is equipped with a plurality of location blind holes 211 in the sliding tray 21 and is longitudinal arrangement. The sliding connection group 3 includes a base 31, an upper cover 32 is provided on the base 31, two sides of the base 31 are limited in the sliding groove 21 to move up and down, at least one cushion fixing piece 33 capable of being connected and fixed to the back side of the cushion plate 3 protrudes outwards from the base 31, a pull button 34 is provided in the upper cover 32, the inner end of the pull button 34 is connected with a pin 35 (as shown in fig. 5 and 10), the pin 35 passes through the base 31 to be positioned in the positioning blind hole 211, the pull button 34 pulled outwards can drive the pin 35 to be pulled out from the positioning blind hole 211 and then slide to another positioning blind hole 111 to be positioned, thereby realizing the height adjustment of the cushion plate 1.

In this embodiment, two back plates 1 are disposed on the front side of the base plate 2, as shown in fig. 4 to 7, side lugs 311 capable of being inserted into and pushed into the sliding grooves 21 are disposed on both sides of the base 31, and snap fasteners 22 capable of limiting the base 31 from moving up and down in the sliding grooves 21 and being not pulled out are disposed on both sides of the lower end of the sliding grooves 21. A through pin hole 312 for the pin 35 is also provided in the base 31. As shown in fig. 6, the cushion fixing pieces 33 are respectively disposed on the folding legs 361 of a torsion spring 36, and the torsion spring 36 is fixed on the base 31, so that a certain distance is reserved between the cushion plate 1 and the base plate 2, providing some space for the movement of the pull button, and forming a certain cushion to the base plate 2 after the cushion plate 1 is pressed.

As shown in fig. 3 and 5, a cushion fixing piece 33 is fixed to each of the upper and lower ends of each base 31, a fixing opening 11 for fixing the cushion fixing piece 33 by pressing it into the fixing opening is provided at the rear of each cushion plate 1, and positioning fasteners 111 for fastening the cushion fixing piece 33 are provided at both side edges of the fixing opening 11. The bottom surface of the fixing opening 11 is further provided with a limiting rib 112, the positioning buckle 111 is positioned above the limiting rib 112, after the cushion fixing piece 33 is pressed into the limiting rib 112 in the fixing opening 11, the positioning buckles 111 on two sides of the fixing opening 11 buckle the cushion fixing piece 33, so that the cushion fixing piece 33 is buckled and fixed in the fixing opening 11.

As shown in fig. 8 to 11, the pull button 34 includes a cylindrical portion 342 formed on a bottom surface of a cap portion 341, a tubular upper cover protrusion 321 formed on an outer side surface of the upper cover 32, a pillar hole 3211 is formed on the upper cover protrusion 321 toward the pull button 34, and the cylindrical portion 342 of the pull button 34 penetrates into the upper cover protrusion 321 from outside to inside. The upper cover further comprises a return spring 37 which is limited in the upper cover convex column 321 and is sleeved on the column body part 342, and the rear end of the return spring 37 is propped against the pin 35, so that the front end of the return spring 37 is propped against the inner edge of the column hole 3211. By means of the return spring 37, after the pull button 34 is pulled out of the pin 35, the pin 35 can be positioned into the further blind positioning hole 211 by the spring return force. In this embodiment, the rear end of the return spring 37 abuts against the cap portion 351 of the pin 35, the cap portion 351 of the pin is provided with a limit boss 352 aligned with the pull button limit hole 3421 on the bottom surface of the pull button cylinder 342, and a screw 38 passes through the cylinder 342 from the pull button cap portion 341 and then is locked into the pin 35, so that the assembly between the pull button 34 and the pin 35 can be smoothly completed. A post hole 3411 for the screw 38 to pass through is formed in the middle of the pull button 34, so that the head of the screw 38 is limited in the post hole 3411, and the connecting section at the tail of the screw 38 passes through the pull button limiting hole 3421 and is locked to the pin 35. A knob cap 343 is further inserted into the knob cap 341 to cover the post hole 3411.

The utility model discloses during the use, adjust and need not to leave the seat when backing plate 1's height, only need stimulate gently and draw button 34, base 31 can reciprocate in the spout 21 of base plate 2, draws button 34 to drive pin 35 and fixes a position to the not location blind hole 211 of co-altitude to realize upper and lower regulation. The utility model discloses adopt the modularization during the assembly, in sliding connection group 3, assembly such as the button 34 of drawing between base 31 and the upper cover 32, pin 35, reset spring 37 accomplishes the back, directly impress the cushion stationary blade 33 among the sliding connection group 3 into by the 1 dorsal fixed orifices 11 internal fixation of backing plate, spacing back in the spout 21 of base 31's both sides ear 311 disect insertion base plate 2, alright completion assembly, it is more simple and easy convenient with the use to install, modular packaging makes the cost of transportation lower.

The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.

Claims

1. The utility model provides a cushion structure, includes by backing plate, base plate and connects in the sliding connection group between backing plate and base plate, its characterized in that: the both sides of base plate are equipped with the sliding tray respectively, be equipped with a plurality of location blind hole longitudinal arrangement in the sliding tray, sliding connection organizes including a base, be equipped with an upper cover on the base, the both sides of base are spacing to reciprocate in the sliding tray, it has at least one can connect fixed to leaning on the dorsal cushion stationary blade of backing plate to stretch to the evagination on the base, be equipped with one in the upper cover and draw the button, draw the inner of button and connect a pin, the pin passes the base location to the location blind hole in, the button that draws that outwards pulls up drives the pin and pulls out the back slip to other location blind holes in the location blind hole after the location blind hole.

2. A bolster structure of claim 1, wherein: the pull button comprises a cylindrical part formed on the bottom surface of a cap part, a tubular upper cover convex column is formed on the outer side surface of the upper cover, the cylindrical part of the pull button penetrates into the upper cover convex column, a reset spring which is limited in the upper cover convex column is sleeved on the cylindrical part, and the rear end of the reset spring is abutted to the pin.

3. A bolster structure of claim 2, wherein: the rear end of the reset spring is abutted against the cap part of the pin, the cap part of the pin is provided with a limiting boss which is aligned with a pull button limiting hole on the bottom surface of the pull button cylinder part, and the pull button cap part penetrates through the cylinder part through a screw and then is locked into the pin.

4. A bolster structure of claim 3, wherein: the middle part of the pull button is provided with a column hole for a screw to penetrate through, and the cap part of the pull button is also plugged with a pull button cap to cover the column hole.

5. A bolster structure of claim 1, wherein: the two sides of the base are provided with side lugs which can be inserted into the sliding groove for propulsion, and the lower end of the sliding groove is provided with an elastic buckle which can limit the base to move up and down in the sliding groove and can not be pulled out.

6. A bolster structure of claim 1, wherein: the back cushion fixing piece is arranged on a folding leg of a torsional spring, and the torsional spring is fixed on the base.

7. A bolster structure according to claim 1 or 6, characterized in that: the upper end and the lower end of each base are respectively fixed with a cushion fixing piece, the rear part of the cushion plate is provided with a fixing opening which presses the cushion fixing piece into the base for fixing, and the two side edges of the fixing opening are provided with positioning buckles which can position and buckle the cushion fixing piece.

8. The bolster structure of claim 7, wherein: the bottom surface of the fixing port is provided with a limiting rib, the positioning buckle is positioned above the limiting rib, and after the cushion fixing piece is pressed into the limiting rib in the fixing port, the positioning buckles on two sides of the fixing port buckle the cushion fixing piece.