CN212233794U - a cushion structure - Google Patents

Abstract

A cushion structure includes a cushion plate, a base plate and a sliding connection group connected between the cushion plate and the base plate. The two sides of the base plate are respectively provided with sliding grooves, and a plurality of positioning blind holes are arranged in the sliding grooves longitudinally arranged, and the sliding connection group It includes a base, the base is provided with an upper cover, the two sides of the base are limited to move up and down in the sliding groove, the base protrudes outwardly with at least one cushion fixing piece that can be connected and fixed to the back side of the cushion plate, and the upper cover is provided with a cushion fixing piece. Pull button, the inner end of the pull button is connected with a pin, the pin is positioned through the base to the positioning blind hole, the pull button pulled outward drives the pin to be pulled out from the positioning blind hole and then slides into another positioning blind hole for positioning. The utility model is assembled in a modular manner, so that the installation is convenient, and when adjusting the height of the backrest board, it is not necessary to leave the seat, and it is only necessary to gently pull up the pull button to complete.

Description

a cushion structure

technical field

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

Background technique

Cushions are widely used in a variety of seats. The cushions can be designed to be ergonomic and can be adjusted according to the needs of use to improve the comfort of the cushions. Many existing cushions are generally adjusted by pressing the button. When the height of the cushion plate needs to be adjusted, it is necessary to keep pressing the button, and the button will withstand the substrate located at the rear, which will produce a reaction force that is not easy to adjust immediately, or needs to be adjusted from the seat. The cushion can only be adjusted by removing the cushion from the chair, which brings inconvenience to the operation. Furthermore, the cushion is generally assembled in one piece, which is not easy to assemble, and the bulk is too large, which increases the transportation cost.

In view of this, the designer has in-depth ideas for the many defects and inconveniences caused by the imperfect design of the existing cushion structure, and actively researched and improved the trial to develop and design this creation.

Utility model content

The purpose of the utility model is to provide a cushion structure, which is assembled in a modular manner, which makes the installation convenient, and when adjusting the height of the cushion plate, it is not necessary to leave the seat, and it is only necessary to gently pull up the pull button to complete.

In order to achieve the above-mentioned purpose, the solution of the present utility model is:

A cushion structure includes a cushion plate, a base plate and a sliding connection group connected between the cushion plate and the base plate. The two sides of the base plate are respectively provided with sliding grooves, and a plurality of positioning blind holes are arranged in the sliding grooves longitudinally arranged, and the sliding connection group It includes a base, the base is provided with an upper cover, the two sides of the base are limited to move up and down in the sliding groove, the base protrudes outwardly with at least one cushion fixing piece that can be connected and fixed to the back side of the cushion plate, and the upper cover is provided with a cushion fixing piece. Pull button, the inner end of the pull button is connected with a pin, the pin is positioned through the base to the positioning blind hole, the pull button pulled outward drives the pin to be pulled out from the positioning blind hole and then slides into another positioning blind hole for positioning.

Further, the pull button includes a cylindrical portion formed on the bottom surface of the cap portion, a tubular upper cover convex column formed on the outer side of the upper cover, the cylindrical portion of the pull button penetrates into the upper cover convex column, and a limit is located on the upper cover. The return spring inside the cover convex column is sleeved on the column body, and the rear end of the return spring abuts on the pin.

Further, the rear end of the return spring abuts on the cap of the pin, and the cap of the pin is provided with a limit boss aligned with the limit hole on the bottom surface of the cylinder of the pull button, and then a screw is used to remove the pull button from the pull button. The cap portion passes through the cylindrical portion and is then locked into the pin.

Further, the middle part of the pull button is provided with a column hole for the screw to penetrate, and a pull button cap is inserted into the cap part of the pull button to cover the column hole.

Further, the two sides of the base are provided with side ears that can be inserted into the sliding groove to advance, and the lower end of the sliding groove is provided with elastic buckles that can restrict the base from moving up and down in the sliding groove and cannot be pulled out.

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

Further, the upper and lower ends of each base are respectively fixed with a cushion fixing piece, the back of the cushion plate is provided with a fixing opening for pressing the cushion fixing piece into it and then fixing, and the two sides of the fixing opening are provided with a cushion fixing piece that can be positioned and buckled. Positioning buckle.

Further, the bottom surface of the fixed opening is provided with a limit rib, the positioning buckle is located above the limit rib, after the cushion fixing piece is pressed into the limit rib in the fixed opening, the positioning buckles on both sides of the fixed opening buckle the cushion fixed piece.

When the utility model is used, it is not necessary to leave the seat when adjusting the height of the backrest plate, and the up and down adjustment can be realized by gently pulling the pull button, which is more convenient to use. The utility model adopts modularization during assembly. The cushion fixing pieces in the sliding connection group are directly pressed into the fixing openings on the back side of the cushion plate to be fixed, and the two side ears of the base are directly inserted into the sliding grooves of the base plate to limit the position, and then the general assembly can be completed. Installation is easier and more convenient, and the modular packaging makes transportation costs lower.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present utility model;

Fig. 2 is the exploded schematic diagram of the utility model;

Fig. 3 is the three-dimensional schematic diagram of the cushion plate in the utility model;

FIG. 4 is a three-dimensional schematic diagram of a substrate in the utility model;

Fig. 5 is the assembly schematic diagram of the sliding connection group and the cushion plate in the utility model;

Fig. 6 is the assembly schematic diagram of the upper cover and the spring base of the sliding connection group in the utility model;

7 is a schematic diagram of the sliding connection group and the base plate assembly and knob adjustment in the utility model;

Fig. 8 is the three-dimensional schematic diagram of the sliding connection group in the utility model;

9 is an exploded schematic view of the sliding connection group of the present invention;

10 is a schematic cross-sectional view of the assembly of the sliding connection group and the base plate in the present invention;

FIG. 11 is a schematic cross-sectional view of the disassembled sliding connection group and the base plate of the present invention.

Detailed ways

In order to further explain the technical solutions of the present utility model, the present utility model will be described in detail below through specific embodiments.

As shown in FIG. 1 and FIG. 2 , the utility model discloses a backrest structure. The backrest comprises a backing board 1 , a base plate 2 and a sliding connection group 3 connected between the backing board 1 and the base board 2 . Sliding grooves 21 are respectively provided, and a plurality of positioning blind holes 211 are arranged in the sliding grooves 21 in a longitudinal arrangement. The sliding connection group 3 includes a base 31 on which an upper cover 32 is arranged. Both sides of the base 31 are limited to move up and down in the sliding groove 21 . The upper cover 32 is provided with a pull button 34, the inner end of the pull button 34 is connected to a pin 35 (as shown in Figure 5, Figure 10), the pin 35 is positioned through the base 31 to the positioning blind hole 211 In the middle, the pull button 34 pulled outward can drive the pin 35 to be pulled out from the blind positioning hole 211 and then slide to another blind positioning hole 111 for positioning, thereby realizing the height adjustment of the backrest board 1 .

In this embodiment, two backrest boards 1 are arranged on the front side of the base plate 2 , and as shown in FIGS. 4 to 7 , the two sides of the base 31 are provided with side ears 311 that can be inserted into the sliding groove 21 for advancement. The side is provided with an elastic buckle 22 which can restrict the base 31 from moving up and down in the sliding groove 21 and cannot be pulled out. The base 31 is also provided with a pin hole 312 for the pin 35 to pass through. As shown in FIG. 6 , the cushion fixing pieces 33 are respectively arranged on the folding feet 361 of a torsion spring 36, and the torsion spring 36 is fixed on the base 31, so that a certain distance can be reserved between the cushion plate 1 and the base plate 2, and the tension The movement of the button provides some space, and at the same time, it can form a certain buffer to the base plate 2 after the cushion plate 1 is pressed against.

As shown in FIGS. 3 and 5 , the upper and lower ends of each base 31 are respectively fixed with a cushion fixing piece 33 , and the rear of each cushion plate 1 is provided with a fixing port 11 for pressing the cushion fixing piece 33 into it and then fixing. The two sides are provided with positioning buckles 111 that can hold the positioning buckles 33 of the cushion fixing piece. The bottom surface of the fixing port 11 is also provided with a limiting rib 112 , and the positioning buckle 111 is located above the limiting rib 112 . The buckle 111 buckles the backrest fixing piece 33 to fasten and fix the backrest fixing piece 33 in the fixing opening 11 .

8 to 11 , the pull button 34 includes a column portion 342 formed on the bottom surface of a cap portion 341 , and a tubular upper cover protrusion 321 formed on the outer side of the upper cover 32 , and the upper cover protrusion 321 faces the pull The button 34 is provided with a column hole 3211 , and the column portion 342 of the pull button 34 penetrates into the upper cover convex column 321 from the outside to the inside. It also includes a return spring 37 that is limited to the inside of the upper cover convex column 321 and is sleeved on the column body 342. The rear end of the return spring 37 abuts on the pin 35, so that the front end of the return spring 37 abuts in the column hole 3211. along. With the return spring 37 , after the pull button 34 pulls out the pin 35 , the pin 35 can be positioned in the other blind positioning hole 211 by the restoring force of the spring. In this embodiment, the rear end of the return spring 37 is made to abut on the cap portion 351 of the pin 35 . The positioning hole 3421 is then locked into the pin 35 through a screw 38 from the knob cap 341 through the cylinder part 342 , so that the assembly between the knob 34 and the pin 35 can be completed smoothly. A column hole 3411 is provided in the middle of the button 34 for the screw 38 to pass through, so that the head of the screw 38 is limited in the column hole 3411, and the connecting section of the tail of the screw 38 passes through the button limit hole 3421 and is locked. into pin 35. A knob cap 343 is also inserted into the cap portion 341 of the knob to cover the post hole 3411 .

When the utility model is used, it is not necessary to leave the seat when adjusting the height of the backrest board 1, just pull the pull button 34 lightly, the base 31 can move up and down in the chute 21 of the base plate 2, and the pull button 34 drives the pin 35 to be positioned in different positions. The height is positioned in the blind hole 211, so as to realize up and down adjustment. The utility model adopts modularization during assembly. In the sliding connection group 3, after the pull button 34, the pin 35, the return spring 37, etc. between the base 31 and the upper cover 32 are assembled, the cushion fixing sheet 33 in the sliding connection group 3 is assembled. Directly press it into the fixing opening 11 on the back side of the backrest board 1 to fix it. After the two side ears 311 of the base 31 are directly inserted into the chute 21 of the base plate 2 to limit the position, the general assembly can be completed, and the installation and use are more convenient and convenient. Modular packaging Makes transportation cost lower.

The above-mentioned embodiments and drawings do not limit the product form and style of the present invention, and any appropriate changes or modifications made by those of ordinary skill in the technical field should be regarded as not departing from the scope of the present invention.

Claims (8)

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.

Images