CN216753957U

CN216753957U - Ergonomic office chair

Info

Publication number: CN216753957U
Application number: CN202122784460.6U
Authority: CN
Inventors: 高媛
Original assignee: Shaoxing Zhendan Technology Co ltd
Current assignee: Shaoxing Lihua Technology Co ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-06-17
Anticipated expiration: 2031-11-12

Abstract

The utility model relates to the technical field of office chairs, and discloses an ergonomic office chair, which comprises: seat body and cushion, the bottom of seat body is the first supporting box of fixedly connected with and second supporting box respectively, the equal fixedly connected with ball frame in bottom of the first supporting box and second supporting box, the bottom of ball frame is provided with a spacing section of thick bamboo, the first carrier of inner wall fixedly connected with of first supporting box, the second carrier of inner wall fixedly connected with second gear rack of second supporting box, the inner wall fixedly connected with gear of first carrier, the outer wall of gear is provided with the pinch roller, the inner wall of first supporting box rotates and is connected with the regulation pole. This human engineering office chair is convenient for through adjusting the lift of pole and unblock piece control brake piece, makes the device can utilize the ball to remove in a flexible way when removing, and is spacing fixed with the ball when the staff carries out the office operation, avoids the ball to roll, and then improves the stability of seat, has indirectly improved work efficiency.

Description

Ergonomic office chair

Technical Field

The utility model relates to the technical field of office chairs, in particular to an ergonomic office chair.

Background

An office chair refers to various chairs which are convenient for work in daily work and social activities. The narrowly defined office chair refers to a backrest chair on which a person sits when working on a desktop in a sitting posture, and the generalized office chair is all chairs used in offices, including office chairs, middle class chairs, guest-meeting chairs, employee chairs, conference chairs, visitor chairs, training chairs and the like.

In order to move conveniently, the bottom of some office chairs is provided with rollers, but the office chair with the rollers has poor stability during office operation and is easy to deviate and slide, and the roller supporting structure of the common roller type office chair is arranged right below the chair, so that when the shank bends backwards, a certain barrier is formed, and the comfort degree is influenced.

SUMMERY OF THE UTILITY MODEL

In view of the deficiencies of the prior art, the present invention provides an ergonomic office chair that solves the problems noted in the background above.

The utility model provides the following technical scheme: an ergonomic office chair comprising: the seat comprises a seat body and a cushion, wherein the bottom of the seat body is respectively and fixedly connected with a first supporting box and a second supporting box, the bottom of the first supporting box and the bottom of the second supporting box are both fixedly connected with ball frames, the bottom of each ball frame is provided with a limiting cylinder, the inner wall of the first supporting box is fixedly connected with a first gear rack, the inner wall of the second supporting box is fixedly connected with a second gear rack, the inner wall of the first gear rack is movably connected with a gear, the outer wall of the gear is provided with a pressing wheel, the inner wall of the first supporting box is rotatably connected with an adjusting rod, one end of the adjusting rod is fixedly connected with one end of a gear, one end of the gear is fixedly connected with a transmission shaft, the inner wall of the first gear carrier is connected with a clamping block in a sliding way, the inner wall of first supporting box and the equal sliding connection of the inner wall of second supporting box have the crane, the bottom of crane is provided with the piece of stopping.

Preferably, the number of gears is four, and every two gears are a set of, and every gear engagement of group connects, the outer wall of fixture block is provided with spacing tooth, and the fixture block passes through spacing tooth and gear engagement and is connected.

Preferably, the bottom of the ball frame is connected with a ball in a sliding manner, and the outer wall of the ball is connected with the inner wall of the limiting cylinder in a sliding manner.

Preferably, the inner wall of the first supporting box and the inner wall of the second supporting box are fixedly connected with sliding cylinders, one ends of the sliding cylinders, close to the balls, are fixedly connected with tension springs, one ends of the tension springs, far away from the sliding cylinders, are fixedly connected with the tops of the braking blocks, and the inner walls of the sliding cylinders are slidably connected with the outer walls of the lifting frames.

Preferably, one side of the clamping block, which is far away from the second gear rack, is provided with an unlocking block, one end of the unlocking block penetrates through the inner wall of the first supporting box and extends to the outer wall of the first supporting box, and the outer wall of the unlocking block is connected with the inner wall of the first supporting box in a sliding manner.

Preferably, the outer wall of the brake block is connected with the inner wall of the ball frame in a sliding mode, the shape and the size of the brake block are matched with those of the balls, and the anti-skid pad is arranged on one side, close to the balls, of the brake block.

Preferably, a reinforcing plate is fixedly connected between the first supporting box and the second supporting box, one end of the transmission shaft penetrates through one side of the reinforcing plate and extends to the other side of the reinforcing plate, and the outer wall of the transmission shaft is rotatably connected with the inner wall of the reinforcing plate.

Compared with the prior art, the utility model has the following beneficial effects:

1. this ergonomic office chair, seat body through setting up, first supporting box, the second supporting box, the ball frame, a spacing section of thick bamboo, first gear carrier, the second gear carrier, the gear, the pinch roller, adjust the pole, the transmission shaft, the fixture block, the crane, the piece of stopping and unblock piece, be convenient for through adjusting the lift of the piece of stopping of pole and unblock piece control, make the device can utilize the ball to remove in a flexible way when removing, it is spacing fixed with the ball when the staff carries out the office work, avoid the ball to roll, and then improve the stability of seat, work efficiency has been improved indirectly.

2. This ergonomic office chair through seat body, cushion, first supporting box, second supporting box, ball frame, spacing section of thick bamboo, ball and the gusset plate that sets up, sets up the ball in the device both sides, for traditional roller type office chair, reserves great activity space bottom the device, makes things convenient for the shank to buckle backward, has improved the comfort level.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the first supporting box according to the present invention;

FIG. 3 is a schematic diagram of an explosive structure according to the present invention;

fig. 4 is a schematic view of an exploded structure of the first carrier and the second carrier according to the present invention.

In the figure: 1. a seat body; 2. a cushion; 3. a first support box; 4. a second support box; 5. a ball rack; 6. a limiting cylinder; 7. a first gear carrier; 8. a second gear carrier; 9. a gear; 10. a pinch roller; 11. adjusting a rod; 12. a drive shaft; 13. a clamping block; 14. a lifting frame; 15. a brake block; 16. a ball bearing; 17. a slide cylinder; 18. a tension spring; 19. unlocking the block; 20. and a reinforcing plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an ergonomic office chair includes: the seat comprises a seat body 1 and a cushion 2, wherein the bottom of the seat body 1 is fixedly connected with a first supporting box 3 and a second supporting box 4 respectively, the bottom of the first supporting box 3 and the bottom of the second supporting box 4 are both fixedly connected with ball frames 5, the number of the ball frames 5 is two, the two ball frames 5 are distributed in parallel, the bottom of each ball frame 5 is provided with a limiting cylinder 6, the inner wall of the first supporting box 3 is fixedly connected with a first gear frame 7, the inner wall of the second supporting box 4 is fixedly connected with a second gear frame 8, the inner wall of the first gear frame 7 and the inner wall of the second gear frame 8 are both movably connected with a gear 9, the outer wall of the gear 9 is provided with a pressing wheel 10, the inner wall of the first supporting box 3 is rotatably connected with an adjusting rod 11 so as to control the rotation of the pressing wheel 10, one end of the adjusting rod 11 is fixedly connected with one end of the gear 9, one end of the gear 9 is fixedly connected with a transmission shaft 12, the inner wall sliding connection of first carrier 7 has fixture block 13, and the equal sliding connection of the inner wall of first support box 3 and the inner wall of second support box 4 has crane 14, and crane 14's bottom is provided with the piece 15 of stopping.

Wherein; the quantity of gear 9 is four, and per two gear 9 are a set of, and every gear 9 meshing of group connects, and the outer wall of fixture block 13 is provided with spacing tooth, and fixture block 13 is connected through spacing tooth and gear 9 meshing to utilize fixture block 13 to restrict the rotation direction of gear 9, conveniently form spacingly.

Wherein; the bottom sliding connection of ball frame 5 has ball 16, and the outer wall of ball 16 and the inner wall sliding connection of a spacing section of thick bamboo 6 to utilize ball 16 auxiliary movement, make things convenient for all-round to turn to.

Wherein; the inner wall of the first supporting box 3 and the inner wall of the second supporting box 4 are fixedly connected with a sliding barrel 17, one end, close to the balls 16, of the sliding barrel 17 is fixedly connected with a tension spring 18, one end, far away from the sliding barrel 17, of the tension spring 18 is fixedly connected with the top of the brake block 15, the inner wall of the sliding barrel 17 is in sliding connection with the outer wall of the lifting frame 14, and therefore the lifting frame 14 is forced to be in a lifting state by the aid of elasticity of the tension spring 18 in a non-changing state.

Wherein; one side of the clamping block 13, which is far away from the second gear rack 8, is provided with an unlocking block 19, one end of the unlocking block 19 penetrates through the inner wall of the first supporting box 3 and extends to the outer wall of the first supporting box 3, and the outer wall of the unlocking block 19 is slidably connected with the inner wall of the first supporting box 3, so that the clamping block 13 can be conveniently unlocked from the outside.

Wherein; the outer wall of the brake block 15 is connected with the inner wall of the ball frame 5 in a sliding mode, the shape and the size of the brake block 15 are matched with those of the balls 16, and the anti-slip pad is arranged on one side, close to the balls 16, of the brake block 15, so that the balls 16 are limited and fixed by the aid of friction between the brake block 15 and the outer wall of the balls 16.

Wherein; fixedly connected with gusset plate 20 between first support box 3 and the second support box 4, and the one end of transmission shaft 12 runs through one side of gusset plate 20 and extends to the opposite side of gusset plate 20, and the outer wall of transmission shaft 12 rotates with the inner wall of gusset plate 20 to be connected, so that improve structural strength, improve pleasing to the eye effect, form certain protection to transmission shaft 12 simultaneously.

The working principle is that when the gear wheel device is used, the adjusting rod 11 is rotated clockwise, the adjusting rod 11 drives the gear wheel 9 to rotate, the gear wheel 9 drives the gear wheel 9 to rotate clockwise, the gear wheel 9 drives the gear wheel 9 to rotate reversely, then the transmission shaft 12 drives the gear wheel 9 to rotate, the clamping block 13 in the first gear carrier 7 is driven upwards to shrink, the end part of the pressure wheel 10 is pressed downwards and extrudes the lifting frame 14 downwards, the lifting frame 14 slides downwards, the lifting frame 14 pushes the brake block 15 to slide downwards to fix the ball 16 when sliding downwards, meanwhile, the clamping block 13 clamps the gear wheel 9 in the first gear carrier 7, when the pressure wheel 10 needs to be loosened and unfolded, the gear wheel 9 is forced to drive the clamping block 13 to extrude inwards, the clamping block 13 blocks the gear wheel 9 to form blocking, so that the gear wheel 9 is limited unidirectionally by the clamping block 13, when the limiting of the ball 16 needs to be loosened, the unlocking block 19 is pulled upwards to drive the clamping block 13 to release the meshing of the gear wheel 9, the anticlockwise rotation adjusts pole 11, and it is rotatory that pole 11 drives gear 9, drives same group gear 9 antiport when gear 9 anticlockwise rotates, then drives another group gear 9 through transmission shaft 12 and rotates, and the tip lifting of pinch roller 10 is relieved the extrusion of crane 14, and crane 14 is driven the lifting by extension spring 18, stops piece 15 and ball 16 separation for ball 16 can the free rotation.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An ergonomic office chair, comprising: the seat comprises a seat body (1) and a cushion (2), wherein the bottom of the seat body (1) is fixedly connected with a first supporting box (3) and a second supporting box (4) respectively, the bottom of the first supporting box (3) and the bottom of the second supporting box (4) are fixedly connected with a ball frame (5), the bottom of the ball frame (5) is provided with a limiting cylinder (6), the inner wall of the first supporting box (3) is fixedly connected with a first gear frame (7), the inner wall of the second supporting box (4) is fixedly connected with a second gear frame (8), the inner wall of the first gear frame (7) is movably connected with a gear (9), the outer wall of the gear (9) is provided with a pressing wheel (10), the inner wall of the first supporting box (3) is rotatably connected with an adjusting rod (11), one end of the adjusting rod (11) is fixedly connected with one end of the gear (9), and one end of the gear (9) is fixedly connected with a transmission shaft (12), the inner wall sliding connection of first gear carrier (7) has fixture block (13), the equal sliding connection of inner wall of the inner wall of first supporting box (3) and the inner wall of second supporting box (4) has crane (14), the bottom of crane (14) is provided with the piece (15) of stopping.

2. The ergonomic office chair according to claim 1, wherein the number of the gears (9) is four, each two gears (9) are in one group, each group of gears (9) is meshed and connected, the outer wall of the fixture block (13) is provided with a limit tooth, and the fixture block (13) is meshed and connected with the gears (9) through the limit tooth.

3. An ergonomic office chair as claimed in claim 1, wherein the ball (16) is slidably connected to the bottom of the ball frame (5), and the outer wall of the ball (16) is slidably connected to the inner wall of the limiting cylinder (6).

4. The ergonomic office chair of claim 1, wherein the inner wall of the first support box (3) and the inner wall of the second support box (4) are both fixedly connected with a slide cylinder (17), and one end of the slide cylinder (17) close to the balls (16) is fixedly connected with a tension spring (18), and one end of the tension spring (18) far away from the slide cylinder (17) is fixedly connected with the top of the brake block (15), and the inner wall of the slide cylinder (17) is slidably connected with the outer wall of the lifting frame (14).

5. The ergonomic office chair of claim 1, wherein the side of the fixture block (13) away from the second gear rack (8) is provided with an unlocking block (19), one end of the unlocking block (19) penetrates through the inner wall of the first supporting box (3) and extends to the outer wall of the first supporting box (3), and the outer wall of the unlocking block (19) is slidably connected with the inner wall of the first supporting box (3).

6. An ergonomic office chair as claimed in claim 1, wherein the outer wall of the brake block (15) is slidably connected with the inner wall of the ball frame (5), the shape and size of the brake block (15) and the shape and size of the balls (16) are matched, and a non-slip mat is arranged on one side of the brake block (15) close to the balls (16).

7. An ergonomic office chair according to claim 1, wherein a reinforcement plate (20) is fixedly connected between the first support box (3) and the second support box (4), and one end of the transmission shaft (12) penetrates one side of the reinforcement plate (20) and extends to the other side of the reinforcement plate (20), and the outer wall of the transmission shaft (12) is rotatably connected with the inner wall of the reinforcement plate (20).