CN215382595U

CN215382595U - Chair back of electronic contest chair

Info

Publication number: CN215382595U
Application number: CN202121525800.7U
Authority: CN
Inventors: 李贺帅
Original assignee: Anjiressa Furniture Co ltd
Current assignee: Anjiressa Furniture Co ltd
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2022-01-04
Anticipated expiration: 2031-07-06

Abstract

The utility model provides an electronic contest chair back, which comprises a chair back plate, wherein a plurality of sliding rails are arranged in the chair back plate, the sliding rails penetrate through the chair back plate along the horizontal direction, two communicating grooves are formed in the chair back plate, the two communicating grooves are respectively positioned at the two ends of the sliding rails, one end, away from the center of the chair back plate, of each communicating groove is an opening, two sliding blocks are arranged in the sliding rails, the two sliding blocks are respectively positioned at the two ends of the sliding rails, connecting rods are arranged on the sliding blocks, the connecting rods extend out of the communicating grooves and move in the communicating grooves, vertical plates are respectively connected to the connecting rods positioned at the two sides of the chair back plate, the two vertical plates are used for limiting the moving range of the waist of a user, limiting devices are arranged at the two ends of the sliding rails, and the sliding block limiting devices are used for limiting the positions in the sliding rails; can limit the waist of the user between the two vertical plates and prevent the upper body of the user from inclining, thereby preventing the spine of the user from being bent left and right and being beneficial to the health of the spine.

Description

Chair back of electronic contest chair

Technical Field

The utility model relates to the technical field of electronic contest chairs, in particular to a chair back of an electronic contest chair.

Background

Generally, in order to enable more people to use the electric competition chair, the electric competition chair is larger, the upper half of a large number of people sitting in front of a computer can not incline voluntarily, and the spine of a user can bend left and right to affect the health of the spine.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a chair back of a electronic contest chair, which solves the problems that the electronic contest chair in the prior art is larger in size under the common condition, the upper half of a large number of people cannot be inclined by self when sitting in front of a computer, and the spine of a user is bent left and right to influence the health of the spine.

The technical purpose of the utility model is realized by the following technical scheme:

the utility model provides a chair back of chair is competed to electricity, includes the back of chair board, the inside a plurality of slide rails that are equipped with of back of chair board, the slide rail runs through the back of chair board along the horizontal direction, two intercommunication grooves have been seted up on the back of chair board, two the intercommunication groove is located the both ends of slide rail respectively, the intercommunication groove is kept away from the one end at back of chair board center and is the opening, be equipped with two sliding blocks in the slide rail, two the sliding block is located the both ends of slide rail respectively, just be equipped with the connecting rod on the sliding block, the connecting rod stretches out and removes in the intercommunication inslot from the intercommunication groove, is located be connected with vertical board, two on the connecting rod of back of chair board both sides respectively vertical board is used for restricting the home range of removal of user's waist, the slide rail both ends are equipped with stop device, stop device is used for restricting the position of sliding block in the slide rail.

By adopting the technical scheme, the waist of the user can be limited between the two vertical plates, so that the upper half of the user is prevented from inclining, the spine of the user can not be bent left and right, and the health of the spine is facilitated.

The utility model is further configured to: the limiting device comprises a limiting nut and a limiting screw rod, the limiting screw rod moves in the limiting nut, the limiting nut is fixed at two ends of the sliding rail, and one end of the limiting screw rod extends into the sliding rail.

Through adopting above-mentioned technical scheme, come control sliding block mobilizable scope size in the slide rail through adjusting stop screw to control the maximum distance between two vertical boards, in order to adapt to the people of different sizes.

The utility model is further configured to: be equipped with between vertical board and the sliding block and be used for reinforced (rfd) set-square, the set-square is located one side that the chair back board center was kept away from to vertical board.

Through adopting above-mentioned technical scheme, increase being connected between vertical board and the sliding block, prevent the connecting rod fracture.

The utility model is further configured to: be equipped with elastic element No. one between two the sliding block, elastic element is used for keeping the distance between two sliding blocks.

Through adopting above-mentioned technical scheme, elastic element can be with two sliding blocks to the extrusion of slide rail both ends, avoids the sliding block to remove at will in the spout, and the person of being convenient for sits down.

The utility model is further configured to: the vertical plate is connected with an extension plate, and a cavity for the extension plate to enter and exit is formed in the vertical plate.

Through adopting above-mentioned technical scheme, when the length of vertical board can't satisfy user's demand, can take the extension plate out in the cavity to increase the length of vertical board.

The utility model is further configured to: the improved chair back plate comprises a vertical plate and is characterized in that a plurality of grooves are formed in the vertical plate, the grooves are located on two sides of a cavity respectively and communicated with the cavity, two elastic elements are arranged in the grooves, one end of each elastic element is fixedly connected with the bottom of the corresponding groove, the other end of each elastic element is connected with a fixture block, one end, far away from the chair back plate, of each fixture block is provided with an inclined plane, and one end, close to the chair back plate, of the extension plate is provided with a clamping groove for the fixture block to pass in and out.

By adopting the technical scheme, when the extension plate is drawn out of the cavity, the clamping block can extend into the clamping groove under the action of the second elastic element when the groove is communicated with the clamping groove, so that the extension plate is prevented from being drawn out of the cavity; when the extension plate needs to be pushed back into the cavity, the clamping block can be pressed into the groove through the inclined surface, so that the extension plate enters the cavity.

The utility model is further configured to: and one end of the extension plate, which is far away from the chair back plate, is provided with a convex block.

By adopting the technical scheme, the extension plate can be moved by utilizing the convex block, and the extension plate can be prevented from completely entering the cavity and being not easy to draw out.

The utility model is further configured to: and the vertical plate is provided with a spongy cushion.

Through adopting above-mentioned technical scheme, when user's waist contradicts with vertical board, can improve the comfort level of waist.

Drawings

FIG. 1 is a sectional view showing the entire structure of the present embodiment;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is a schematic overall front view of the present embodiment;

FIG. 4 is an enlarged view at B in FIG. 3;

fig. 5 is a side view of the back plate of the chair of this embodiment.

In the above drawings: 1. a chair back plate; 2. a slide rail; 3. a through groove; 4. a slider; 5. a connecting rod; 6. a vertical plate; 7. a limit nut; 8. a limit screw; 9. a fixing plate; 10. a thread groove; 11. a set square; 12. a first elastic element; 13. an extension plate; 14. a cavity; 15. a groove; 16. a second elastic element; 17. a clamping block; 18. an inclined surface; 19. a card slot; 20. a bump; 21. a spongy cushion.

Detailed Description

The technical solution of the present invention is further explained with reference to the drawings and the embodiments.

The utility model provides a chair back is competed to electricity, as shown in fig. 1-5, including back of chair 1, back of chair 1 is inside to be seted up two slide rails 2 that run through back of chair 1 along the horizontal direction, back of chair 1 has seted up two intercommunication grooves 3, two intercommunication grooves 3 are located the both ends of slide rail 2 respectively, and the one end that the center of back of chair 1 was kept away from in intercommunication groove 3 is the opening, be equipped with two sliding blocks 4 in the slide rail 2, two sliding blocks 4 are located the both ends of slide rail 2 respectively, the welding has connecting rod 5 on sliding block 4, connecting rod 5 stretches out and removes in intercommunication groove 3 from intercommunication groove 3, the welding has vertical board 6 respectively on the connecting rod 5 that is located back of chair 1 both sides, two vertical boards 6 are used for restricting the range of removal of user's waist, the cover is equipped with foam-rubber cushion 21 on vertical board 6.

2 both ends of slide rail are equipped with stop device, stop device is used for restricting the position of sliding block 4 in slide rail 2, stop device includes stop nut 7 and stop screw 8, 7 both sides welding of stop nut have fixed plate 9, the counter bore has been seted up on the fixed plate 9, threaded groove 10 relative with the counter bore has been seted up on the back of the chair board 1, be equipped with the screw in the threaded groove 10, pass the screw counter bore after-fixing in threaded groove 10, thereby fix stop nut 7 at the both ends of slide rail 2, stop screw 8 removes in stop nut 7, and stop screw 8's one end stretches into in slide rail 2.

A triangular plate 11 for reinforcement is welded between the vertical plate 6 and the sliding block 4, and the triangular plate 11 is located on one side, far away from the center of the chair back plate 1, of the vertical plate 6.

A first elastic element 12 is connected between the two sliding blocks 4, the first elastic element 12 is a flat spring, and the spring is located in the sliding rail 2 and used for keeping the distance between the two sliding blocks 4.

Vertical board 6 is connected with extension plate 13, set up cavity 14 that is used for supplying extension plate 13 business turn over in the vertical board 6, two recesses 15 have still been seted up in the vertical board 6, recess 15 is located cavity 14 both sides respectively, and recess 15 and cavity 14 intercommunication, be equipped with No. two elastic element 16 in the recess 15, this No. two elastic element 16 is compression spring, No. two elastic element 16 one end welding is in the bottom of recess 15, No. two elastic element 16's the other end is connected with fixture block 17, the one end that the back of the chair board 1 was kept away from to fixture block 17 is equipped with inclined plane 18, and the one end that extension plate 13 is close to back of the chair board 1 is equipped with the draw-in groove 19 that supplies fixture block 17 to advance, the one end welding that back of the chair board 1 was kept away from to extension plate 13 has spherical convex block 20.

When the device is installed, the vertical plate 6, the sliding block 4 and the triangular plate 11 are fixed together, one end of the first elastic element 12 is welded with the sliding block 4 on the left side, the first elastic element 12 and the sliding block 4 are sleeved from the left end of the sliding rail 2, and then the limiting device on the left side is installed; the first elastic element 12 extends out of the right end of the sliding rail 2, the sliding block 4 on the right side and the first elastic element 12 extending out are welded together, the sliding block 4 on the right side is sleeved in from the right side of the sliding rail 2, the limiting device on the right side is installed, and finally the extension plate 13 is inserted into the cavity 14.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims

1. The utility model provides a chair back is competed in electricity, includes back of chair board (1), its characterized in that: the chair back plate (1) is internally provided with a plurality of slide rails (2), the slide rails (2) penetrate through the chair back plate (1) along the horizontal direction, the chair back plate (1) is provided with two communicating grooves (3), the two communicating grooves (3) are respectively positioned at two ends of the slide rails (2), one end, away from the center of the chair back plate (1), of each communicating groove (3) is provided with an opening, the slide rails (2) are internally provided with two sliding blocks (4), the two sliding blocks (4) are respectively positioned at two ends of the slide rails (2), the sliding blocks (4) are provided with connecting rods (5), the connecting rods (5) extend out of the communicating grooves (3) and move in the communicating grooves (3), the connecting rods (5) positioned at two sides of the chair back plate (1) are respectively connected with vertical plates (6), and the two vertical plates (6) are used for limiting the moving range of the waist of a user, and limiting devices are arranged at two ends of the sliding rail (2) and are used for limiting the position of the sliding block (4) in the sliding rail (2).

2. The chair back of a competitive chair as claimed in claim 1, wherein: the limiting device comprises a limiting nut (7) and a limiting screw (8), the limiting screw (8) moves in the limiting nut (7), the limiting nut (7) is fixed at two ends of the sliding rail (2), and one end of the limiting screw (8) extends into the sliding rail (2).

3. The chair back of a competitive chair as claimed in claim 1, wherein: be equipped with between vertical board (6) and sliding block (4) and be used for reinforced (rfd) set-square (11), set-square (11) are located vertical board (6) and keep away from one side at chair back board (1) center.

4. The chair back of a competitive chair as claimed in claim 1, wherein: a first elastic element (12) is arranged between the two sliding blocks (4), and the first elastic element (12) is used for keeping the distance between the two sliding blocks (4).

5. The chair back of a competitive chair as claimed in claim 1, wherein: the vertical plate (6) is connected with an extension plate (13), and a cavity (14) for the extension plate (13) to enter and exit is arranged in the vertical plate (6).

6. The chair back of a competitive chair as claimed in claim 5, wherein: be equipped with a plurality of recesses (15) in vertical board (6), recess (15) are located cavity (14) both sides respectively, just recess (15) and cavity (14) intercommunication, be equipped with No. two elastic element (16) in recess (15), the bottom fixed connection of No. two elastic element (16) one end and recess (15), the other end of No. two elastic element (16) is connected with fixture block (17), the one end that back of the chair board (1) was kept away from in fixture block (17) is equipped with inclined plane (18), just the one end that extension plate (13) is close to back of the chair board (1) is equipped with draw-in groove (19) that supply fixture block (17) business turn over.

7. The chair back of a competitive chair as claimed in claim 5, wherein: a projection (20) is arranged at one end of the extension plate (13) far away from the chair back plate (1).

8. The chair back of a competitive chair as claimed in claim 1, wherein: the vertical plate (6) is provided with a spongy cushion (21).