CN210581746U

CN210581746U - Auditorium chair convenient to adjust

Info

Publication number: CN210581746U
Application number: CN201920632338.7U
Authority: CN
Inventors: 危志远
Original assignee: Jiangxi Gandong Steel Wood Products Co Ltd
Current assignee: Jiangxi Gandong Steel Wood Products Co Ltd
Priority date: 2019-05-06
Filing date: 2019-05-06
Publication date: 2020-05-22
Anticipated expiration: 2029-05-06

Abstract

The utility model discloses an auditorium chair convenient to adjust, including base and backup plate, it is a set of it has first regulating plate, another group to articulate through the hinge on the handrail it has the second regulating plate to articulate through the hinge on the handrail, the bedplate is close to the inside gear that sets up in one side of first regulating plate, the equal fixed welding in both sides of backup plate has the pivot, and is a set of pivot and gear key-type connection, another group the pivot is passed through the bearing and is rotated and install on the lateral wall that the gear was kept away from to the bedplate, stop gear is installed in bedplate upper portion embedding, stop gear's upper portion is passed through wire rope with the lower part of first regulating plate and is connected, one side that the backup pad is close to the second regulating plate is provided with the inflater, the upper end of inflater is articulated with the middle part. The auditorium chair can adjust the height and the angle of the backrest, so that the auditorium chair is suitable for different people to sit on.

Description

Auditorium chair convenient to adjust

Technical Field

The utility model relates to an auditorium chair technical field specifically is an auditorium chair convenient to adjust.

Background

The auditorium chair is a chair for auditoriums of schools and office units, and most of the auditoriums are installed in a unified mode, so that the auditoriums look tidy.

Chairs in one auditorium are all of the same specification, and people of different body types have different requirements on the height of a seat cushion and the angle of a backrest when sitting, so that the auditorium chairs cannot be suitable for all people. Therefore, an auditorium chair convenient to adjust is urgently needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an auditorium chair convenient to adjust, this auditorium chair can be adjusted the angle of height and back, makes it be suitable for different personnel just to sit to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an auditorium chair convenient to adjust comprises a base and a backup plate, wherein the upper portion of the base is fixedly welded with a supporting plate, the upper end of the supporting plate is fixedly welded with a seat plate, the upper portion of the seat plate is spliced with an air bag, the upper portions of two sides of the seat plate are fixedly welded with supporting rods, the upper ends of two groups of the supporting rods are fixedly welded with armrests, one group of the armrests are hinged with a first adjusting plate through hinges, the other group of the armrests are hinged with a second adjusting plate through hinges, a gear is arranged inside one side, close to the first adjusting plate, of the seat plate, rotating shafts are fixedly welded on two sides of the backup plate, one group of the rotating shafts are connected with the gear, the other group of the rotating shafts are rotatably installed on the side wall, far away from the gear, of the seat plate through, the seat board is hinged with a pressure rod on one side close to the second adjusting plate, an inflator is arranged on one side close to the second adjusting plate of the supporting plate, the upper end of the inflator is hinged with the middle of the pressure rod, an air outlet of the inflator is communicated with a one-way air valve on the air bag through a leather hose, and an exhaust valve is installed at the rotating position of the armrest close to the second adjusting plate.

Preferably, a cavity is formed in one side, close to the first adjusting plate, of the seat plate, the gear is arranged in the cavity, the gear is rotatably installed on the side wall, in the cavity, of the seat plate through a bearing, and the lower portion of the limiting mechanism penetrates through the seat plate above the cavity.

Preferably, stop gear includes loop bar, slider, first spring and gag lever post, the loop bar embedding is installed on the bedplate, first spring welding is in the interior bottom of loop bar, the bottom of slider and the upper end welding of first spring, slider slidable mounting is inside the loop bar, the upper end welding of gag lever post is in the bottom of slider, the one end of gag lever post is run through the bottom and the gear spacing of loop bar.

Preferably, a through hole is formed in the support rod on the upper portion of the limiting mechanism, a steel wire rope is arranged in the through hole, the lower end of the steel wire rope is welded with the upper portion of the sliding block in the limiting mechanism, and the upper end of the steel wire rope penetrates through the handrail and is connected with the lower portion of the first adjusting plate.

Preferably, the lower part of the inflator is hinged to the side face of the supporting plate, and the air bag is provided with a one-way air valve.

Preferably, the regulation turning handle and the second regulating plate fixed mounting of exhaust valve, discharge valve passes through leather hose and gasbag intercommunication, the rotation centre of a circle of turning handle on the discharge valve is the same with the rotation centre of a circle of second regulating plate.

Preferably, the middle parts of the side surfaces of the backup plate and the handrail are respectively welded with a connecting rod, and a second spring is welded between the two groups of connecting rods.

Compared with the prior art, the beneficial effects of the utility model are that:

1. when the backrest needs to be adjusted, the first adjusting plate is lifted, the first adjusting plate drives the steel wire rope to pull the limiting mechanism, the limiting mechanism does not limit the gear any more, the gear can rotate, the backrest can be adjusted in a front-back rotating mode, the first adjusting plate is reset after adjustment is finished, the limiting mechanism automatically resets, the gear is limited and fixed, and then the position of the backrest plate is fixed, so that the adjusting method is simple, time-saving and labor-saving;

2. when the height of the seat is required to be adjusted, the pressing plate is pressed downwards, the inflator inflates the air bag, the air bag is inflated to expand and lift, the rotating handle which lifts the second adjusting plate to drive the exhaust valve rotates, the exhaust valve deflates the air bag, air in the air bag is reduced, the air bag contracts and is reduced in height, the adjusting method is simple, the air bag is soft, and people feel comfortable when sitting.

Drawings

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

fig. 2 is a schematic rear view of the present invention;

FIG. 3 is an enlarged view of the position A of FIG. 1 according to the present invention;

fig. 4 is a schematic view of a partial top view structure of the present invention.

In the figure: 1. a base; 2. a support plate; 3. a seat plate; 4. a backup plate; 5. a handrail; 6. a first adjusting plate; 7. an air bag; 8. a limiting rod; 9. a support bar; 10. a first spring; 11. a wire rope; 12. a through hole; 13. a slider; 14. a loop bar; 15. a gear; 16. a cavity; 17. a pressure lever; 18. an exhaust valve; 19. a connecting rod; 20. a second spring; 21. an inflator; 22. a rotating shaft; 23. a limiting mechanism; 24. a second adjusting plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an auditorium chair convenient to adjust comprises a base 1 and a backup plate 4, wherein a supporting plate 2 is fixedly welded on the upper portion of the base 1, the supporting plate 2 is a steel plate and used for supporting a seat, a seat plate 3 is fixedly welded on the upper end of the supporting plate 2, the seat plate 3 is a steel plate and used for supporting a human body, an air bag 7 is glued on the upper portion of the seat plate 3, supporting rods 9 are fixedly welded on the upper portions of two sides of the seat plate 3, the supporting rods 9 are steel rods and used for supporting handrails 5, a first adjusting plate 6 is hinged on one group of handrails 5 through hinges, a second adjusting plate 24 for adjusting the angle of a backrest is hinged on the other group of handrails 5 through hinges, a gear 15 is arranged inside one side of the seat plate 3 close to the first adjusting plate 6, rotating shafts 22 are fixedly welded on two sides of the backup plate 4, one group of rotating shafts 22 is in, limiting mechanism 23 is installed in the embedding of bedplate 3 upper portion, limiting mechanism 23's upper portion passes through wire rope 11 with the lower part of first regulating plate 6 and is connected, bedplate 3 articulates on being close to one side of second regulating plate 24 has depression bar 17, one side that backup pad 2 is close to second regulating plate 24 is provided with inflater 21, the upper end of inflater 21 is articulated with the middle part of depression bar 17, the one-way pneumatic valve intercommunication on leather hose and the gasbag 7 is passed through to the gas outlet of inflater 21, the discharge valve 18 that is used for carrying out the exhaust to gasbag 7 is installed to the rotational position that handrail 5 is close to second regulating plate.

Specifically, a cavity 16 is arranged inside one side of the seat plate 3 close to the first adjusting plate 6, a gear 15 is arranged in the cavity 16, the gear 15 is rotatably installed on the side wall of the seat plate 3 in the cavity 16 through a bearing, and the lower part of the limiting mechanism 23 penetrates through the seat plate 3 above the cavity 16.

Specifically, stop gear 23 includes loop bar 14, slider 13, first spring 10 and gag lever post 8, and loop bar 14 embedding is installed on bedplate 3, and first spring 10 welds the interior bottom at loop bar 14, and the bottom of slider 13 and the upper end welding of first spring 10, and slider 13 slidable mounting is inside loop bar 14, and the upper end welding of gag lever post 8 is in the bottom of slider 13, and the one end of gag lever post 8 runs through the bottom and the gear 15 spacing of loop bar 14. When the backrest needs to be adjusted, the first adjusting plate 6 is lifted, the first adjusting plate 6 drives the steel wire rope 11 to pull the sliding block 13 downwards, the sliding block 13 drives the limiting rod 8 to move upwards, the lower end of the limiting rod 8 leaves the gear 15, the gear 15 can rotate, the backrest plate 4 can be adjusted in a rotating mode, and the first spring 10 is stretched; after the adjustment, the first adjusting plate 6 is reset, the sliding block 13 drives the limiting rod 8 to move downwards under the action of the tensile force of the first spring 10, the lower end of the limiting rod 8 limits and fixes the gear 15, and then the position of the backup plate 4 is fixed.

Specifically, a through hole 12 is formed in the support rod 9 at the upper part of the limiting mechanism 23, a steel wire rope 11 is arranged in the through hole 12, the lower end of the steel wire rope 11 is welded with the upper part of the sliding block 13 in the limiting mechanism 23, and the upper end of the steel wire rope 11 penetrates through the armrest 5 and is connected with the lower part of the first adjusting plate 6.

Specifically, the lower part of the inflator 21 is hinged on the side surface of the supporting plate 2, and the air bag 7 is provided with a one-way air valve. The one-way air valve prevents air from the air bag 7 from escaping from the air pump 21.

Specifically, an adjusting rotating handle of the exhaust valve 18 is fixedly installed with the second adjusting plate 24, the exhaust valve 18 is communicated with the air bag 7 through a leather hose, and the rotating circle center of the rotating handle on the exhaust valve 18 is the same as that of the second adjusting plate 24.

Specifically, the connecting rods 19 are welded to the middle of the side face of the backup plate 4 and the middle of the side face of the armrest 5, and the second springs 20 are welded between the two groups of connecting rods 19. The second spring 20 is used for connecting the backup plate 4 and the armrest 5, when the position of the backup plate 4 is adjusted, the backup plate 4 automatically moves towards the seat plate 3, and the backup plate 4 moves away from the seat plate 3 through the back of a human body.

The working principle is as follows: when the backrest needs to be adjusted, the first adjusting plate 6 is lifted, the first adjusting plate 6 drives the steel wire rope 11 to pull the limiting mechanism 23, the limiting mechanism 23 does not limit the gear 15 any more, the gear 15 can rotate, the backup plate 4 can be adjusted in a front-back rotating mode, the first adjusting plate 6 is reset after adjustment is finished, the limiting mechanism 23 automatically resets, the gear 15 is limited and fixed, and then the position of the backup plate 4 is fixed; when the height of the seat needs to be adjusted, the pressure rod 17 is pressed downwards, the inflator 21 inflates the air bag 7, the air bag 7 is inflated, expanded and lifted, the rotating handle which drives the exhaust valve 18 to rotate through lifting the second adjusting plate 24, the exhaust valve 18 deflates the air bag 7, air in the air bag 7 is reduced, and the air bag 7 contracts and is reduced in height.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an auditorium chair convenient to adjust, includes base (1) and backup plate (4), its characterized in that: the seat is characterized in that a supporting plate (2) is fixedly welded on the upper portion of a base (1), a seat plate (3) is fixedly welded on the upper end of the supporting plate (2), an air bag (7) is connected to the upper portion of the seat plate (3) in an adhesive mode, supporting rods (9) are fixedly welded on the upper portions of two sides of the seat plate (3), handrails (5) are fixedly welded on the upper ends of the two groups of supporting rods (9), a first adjusting plate (6) is hinged to one group of handrails (5) through hinges, a second adjusting plate (24) is hinged to the other group of handrails (5) through hinges, a gear (15) is arranged inside one side, close to the first adjusting plate (6), of the seat plate (3), rotating shafts (22) are fixedly welded on two sides of a backup plate (4), one group of the rotating shafts (22) is in key connection with the gear (15), and, limiting mechanism (23) are installed in bedplate (3) upper portion embedding, the upper portion of limiting mechanism (23) is passed through wire rope (11) with the lower part of first regulating plate (6) and is connected, bedplate (3) are close to on one side of second regulating plate (24) articulated have depression bar (17), one side that backup pad (2) are close to second regulating plate (24) is provided with inflater (21), the upper end of inflater (21) is articulated with the middle part of depression bar (17), the one-way pneumatic valve intercommunication on leather hose and gasbag (7) is passed through to the gas outlet of inflater (21), discharge valve (18) are installed to the turned position that handrail (5) are close to second regulating plate (24).

2. An auditorium chair, as claimed in claim 1, wherein: the utility model discloses a chair, including bedplate (3), first regulating plate (6), gear (15), bedplate (3) above cavity (16) are run through to the lower part of stop gear (23), the bedplate (3) that one side inside that bedplate (3) are close to first regulating plate (6) is provided with cavity (16), gear (15) set up in cavity (16), gear (15) are installed on bedplate (3) lateral wall in cavity (16) through the bearing rotation, bedplate (3) above cavity (16) are run through to the.

3. An auditorium chair, as claimed in claim 1, wherein: stop gear (23) are including loop bar (14), slider (13), first spring (10) and gag lever post (8), loop bar (14) embedding is installed on bedplate (3), first spring (10) welding is in the interior bottom of loop bar (14), the bottom of slider (13) and the upper end welding of first spring (10), slider (13) slidable mounting is inside loop bar (14), the upper end welding of gag lever post (8) is in the bottom of slider (13), the one end of gag lever post (8) is run through the bottom and gear (15) of loop bar (14) and is spacing.

4. An auditorium chair, as claimed in claim 1, wherein: a through hole (12) is formed in a supporting rod (9) on the upper portion of the limiting mechanism (23), a steel wire rope (11) is arranged in the through hole (12), the lower end of the steel wire rope (11) is welded with the upper portion of a sliding block (13) in the limiting mechanism (23), and the upper end of the steel wire rope (11) penetrates through the lower portion of the handrail (5) and the lower portion of the first adjusting plate (6) to be connected.

5. An auditorium chair, as claimed in claim 1, wherein: the lower part of the inflator (21) is hinged to the side surface of the supporting plate (2), and the air bag (7) is provided with a one-way air valve.

6. An auditorium chair, as claimed in claim 1, wherein: the regulation twist grip and second regulating plate (24) fixed mounting of discharge valve (18), discharge valve (18) are through leather hose and gasbag (7) intercommunication, the rotation centre of a circle of twist grip on discharge valve (18) is the same with the rotation centre of a circle of second regulating plate (24).

7. An auditorium chair, as claimed in claim 1, wherein: connecting rods (19) are welded in the middle of the side face of the backup plate (4) and the middle of the side face of the handrail (5), and a second spring (20) is welded between the two groups of connecting rods (19).