CN214483948U

CN214483948U - Student's tablet chair with adjustable height

Info

Publication number: CN214483948U
Application number: CN202120631778.8U
Authority: CN
Inventors: 袁红艳
Original assignee: Jiangxi Qiangting Industrial Development Group Co ltd
Current assignee: Jiangxi Qiangting Industrial Development Group Co ltd
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2021-10-26
Anticipated expiration: 2031-03-29

Abstract

The utility model discloses a student's tablet chair with adjustable height relates to tablet chair technical field, which comprises a cushion, the inside of cushion one side is run through and is provided with the spliced pole, the one end fixedly connected with gear of spliced pole, the top of cushion is rotated and is connected with the back, the back has been offered near one side of cushion and has been placed the hole, it is provided with the spring in the hole to place, the outer wall fixedly connected with reinforcement frame of support column, the bottom of support column is provided with the base. The utility model discloses a be provided with screw thread post, column spinner, big bevel gear, bevel pinion and rocking handle, rotate the rocking handle and make bevel pinion rotate, bevel pinion's outer wall and big bevel gear's outer wall meshing are connected, and bevel pinion rotates and drives big bevel gear and rotate to make the column spinner rotatory, column spinner inner wall and screw thread post outer wall screw thread phase-match, thereby make the screw thread post reciprocate, the effectual problem of carrying out the altitude mixture control of having solved the tablet chair.

Description

Student's tablet chair with adjustable height

Technical Field

The utility model relates to a tablet chair technical field specifically is a student's tablet chair with adjustable height.

Background

The chairs on which students sit in class are called class chairs, and for students receiving education, the demands of the students on the class chairs are very large, so that the chairs are not only convenient for users to use, but also need to be matched with the heights of the students along with the continuous growth of the heights of the students.

The height of a common tablet chair is fixed, the tablet chair is not matched with a student any more under the condition that the height of the student is high, so that the tablet chair is abandoned, the resource waste is caused, the angle of a backrest of the common tablet chair cannot be changed, and the waist soreness condition is easy to occur after the student keeps a constant sitting posture for a long time, so that the learning efficiency of the student is reduced.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a student's tablet chair with adjustable height to solve the technical problem that the tablet chair can not height-adjusting and the back can not angle regulation.

In order to achieve the above object, the utility model provides a following technical scheme: a student tablet chair with adjustable height comprises a cushion, wherein a connecting column is arranged inside one side of the cushion in a penetrating mode, a gear is fixedly connected to one end of the connecting column, a backrest is rotatably connected to the top of the cushion, a placing hole is formed in one side, close to the cushion, of the backrest, a spring is arranged in the placing hole, a limiting block is connected to one end of the spring, a T-shaped block is connected to one side, far away from the spring, of the limiting block, a threaded column is arranged at the bottom of the cushion, a rotating column is sleeved on the outer wall of the threaded column, a large bevel gear is arranged at the bottom end of the rotating column, a limiting column is arranged on one side, located at the bottom of the cushion, of the threaded column, a fixing frame is arranged at one end, far away from the cushion, of the outer wall of the large bevel gear is meshed with a small bevel gear, a transmission rod is arranged on one side of the small bevel gear, and a rocking handle is arranged at one end, far away from the small bevel gear, of the transmission rod, the outer wall cover of transfer line is equipped with the bearing, the bottom of column spinner is provided with the support column, the outer wall fixedly connected with reinforcement frame of support column, the bottom of support column is provided with the base.

Preferably, the two ends of the spring are fixedly connected with the inner wall of the placing hole and the outer wall of the limiting block respectively, and the inner wall of the placing hole is attached to the outer wall of the limiting block.

Preferably, the shape of stopper is the triangular prism, and the outer wall of prismatic one side is laminated with the outer wall of gear mutually.

Preferably, two ends of the rotating column are respectively connected with the fixed frame and the supporting column in a rotating mode through bearings.

Preferably, the inner wall of the rotating column is provided with an internal thread matched with the outer wall of the threaded column.

Preferably, the number of the limiting columns is two, the limiting columns are symmetrically arranged along the vertical center line of the threaded column, and the limiting columns penetrate through the fixing frame and are arranged in a sliding mode.

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

1. the utility model discloses a be provided with screw post, column spinner, big bevel gear, bevel pinion and rocking handle, rotate the rocking handle and make bevel pinion rotate, the outer wall meshing of bevel pinion and big bevel gear is connected, bevel pinion rotates and drives big bevel gear and rotate, thereby makes the column spinner rotatory, the column spinner inner wall and screw post outer wall screw thread phase-match, thereby make the screw post reciprocate, the effectual problem of solving the tablet chair and can't carrying out the height control;

2. the utility model discloses a be provided with gear, stopper, spring and T-shaped piece, with the inside promotion of T-shaped piece, thereby the T-shaped piece forces the spring to take place deformation and makes the stopper to placing the downthehole removal, breaks away from the tooth of gear when the stopper, can carry out angle of adjustment with the back this moment, loosens the T-shaped piece after the adjustment is accomplished, and the spring resets and drives the stopper from the tooth that newly gets into the gear, and then fixed back, the effectual problem that the back angle can not be adjusted of having solved.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a side view of the present invention;

fig. 3 is an enlarged view of the position a of the present invention.

In the figure: 1. a cushion; 2. connecting columns; 3. a gear; 4. placing holes; 5. a spring; 6. a limiting block; 7. a T-shaped block; 8. a backrest; 9. a threaded post; 10. a spin column; 11. a large bevel gear; 12. a limiting column; 13. a fixed mount; 14. a bevel pinion gear; 15. a transmission rod; 16. a rocking handle; 17. a bearing; 18. a support pillar; 19. a reinforcing frame; 20. a base.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

The following describes an embodiment of the present invention according to its overall structure.

Referring to fig. 1-3, a height-adjustable student chair comprises a cushion 1, a connecting column 2 is arranged inside one side of the cushion 1 in a penetrating manner, a gear 3 is fixedly connected to one end of the connecting column 2, a backrest 8 is rotatably connected to the top of the cushion 1, a placing hole 4 is formed in one side of the backrest 8 close to the cushion 1, a spring 5 is arranged in the placing hole 4, a limiting block 6 is connected to one end of the spring 5, a T-shaped block 7 is connected to one side of the limiting block 6 far away from the spring 5, a threaded column 9 is arranged at the bottom of the cushion 1, a rotating column 10 is sleeved on the outer wall of the threaded column 9, a large bevel gear 11 is arranged at the bottom end of the rotating column 10, a limiting column 12 is arranged at one side of the threaded column 9 at the bottom of the cushion 1, a fixing frame 13 is arranged at one end of the limiting column 12 far away from the cushion 1, a small bevel gear 14 is meshed with the outer wall of the large bevel gear 11, and a transmission rod 15 is arranged at one side of the small bevel gear 14, a rocking handle 16 is arranged at one end, far away from the bevel pinion 14, of the transmission rod 15, a bearing 17 is sleeved on the outer wall of the transmission rod 15, a supporting column 18 is arranged at the bottom of the rotary column 10, a reinforcing frame 19 is fixedly connected to the outer wall of the supporting column 18, and a base 20 is arranged at the bottom of the supporting column 18.

Specifically, please refer to fig. 3, two ends of the spring 5 are fixedly connected to the inner wall of the placing hole 4 and the outer wall of the limiting block 6, respectively, and the inner wall of the placing hole 4 is attached to the outer wall of the limiting block 6.

Through adopting above-mentioned technical scheme, can drive stopper 6 when spring 5 discovers deformation and remove, be favorable to stopper 6 to break away from and get into between the rodent of gear 3.

Specifically, please refer to fig. 3, the shape of the limiting block 6 is a triangular prism, and the outer wall of one side of the prism is attached to the outer wall of the gear 3.

Through adopting above-mentioned technical scheme, be favorable to stopper 6 more simple and convenient entering gear 3's rodent in the middle of, conveniently fix back 8.

Specifically, please refer to fig. 1, two ends of the rotary column 10 are rotatably connected to the fixed frame 13 and the supporting column 18 through bearings, respectively.

Through adopting above-mentioned technical scheme, when big bevel gear 11 drives the column 10 and rotates, can not receive the influence of support column 18 and mount 13, be favorable to going on rising and the operation that reduces cushion 1.

Specifically, please refer to fig. 1, the inner wall of the rotating column 10 is provided with an internal thread matching with the outer wall of the threaded column 9.

Through adopting above-mentioned technical scheme, when the column spinner 10 drives when rotating, drive the screw thread post through the assorted internal thread and rotate, cushion 1 is spacing by spacing post 12 for screw thread post 9 reciprocates in column spinner 10.

Specifically, please refer to fig. 1, the number of the limiting posts 12 is two, and the limiting posts 12 are symmetrically disposed on the vertical centerline of the threaded post 9, and the limiting posts 12 penetrate the fixing frame 13 and are slidably disposed.

Through adopting above-mentioned technical scheme, carry on spacingly through spacing post 12 with cushion 1, by spacingly when screw thread post 9 is rotatory, can only reciprocate, be favorable to reciprocating of cushion 1, slidable sets up the decline that prevents spacing post 12 influence cushion 1.

The working principle is as follows: firstly, a tablet chair is stably placed on a horizontal plane, when the height of the tablet chair needs to be adjusted, a rocking handle 16 is rotated, the rocking handle 16 rotates to drive a transmission rod 15 to rotate, the outer wall of the transmission rod 15 is rotatably connected with a fixed frame 13 through a bearing 17, the transmission rod 15 rotates to drive a small bevel gear 14 to rotate, the outer wall of the small bevel gear 14 is meshed with the outer wall of a large bevel gear 11, the small bevel gear 14 rotates to drive the large bevel gear 11 to rotate, the large bevel gear 11 rotates to drive a rotary column 10 to rotate, two ends of the rotary column 10 are rotatably connected with a support column 18 and the fixed frame 13 through bearings, the rotary column 10 cannot drive the support column 18 and the fixed frame 13 to rotate, the inner wall of the rotary column 10 is provided with internal threads matched with the outer wall of a threaded column 9, the bottom of the cushion 1 is provided with a limiting column 12 penetrating through the fixed frame 13 to limit the cushion 1, so that the threaded column 9 can only drive the cushion 1 to move up and down when the rotary column 10 rotates, thereby realize the regulation to the tablet chair height, when the back angle of tablet chair needs the regulation, inwards promote T-shaped piece 7, thereby T-shaped piece 7 removes and drives stopper 6 and remove oppression spring 5, spring 5 discovers deformation and makes stopper 6 break away from the rodent of gear 3 to back 8 can carry out the adjustment of angle, when adjusting suitable angle, thereby loosen T-shaped piece 7 and reset spring 5, spring 5 resets and promotes stopper 6 from the rodent of new entering gear 3, thereby it is fixed with the back, accomplish the adjustment to the back angle promptly.

Although embodiments of the present invention have been shown and described, it is intended that the present embodiments be illustrative only and not limiting to the invention, and that the particular features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples, and that modifications, substitutions, variations, and the like, which are not inventive in light of the above teachings, may be made to the embodiments by those skilled in the art without departing from the principles and spirit of the present invention, but are to be construed as broadly as the following claims.

Claims

1. The utility model provides a student tablet chair with adjustable height, includes cushion (1), its characterized in that: the cushion is characterized in that a connecting column (2) penetrates through the inside of one side of the cushion (1), a gear (3) is fixedly connected to one end of the connecting column (2), a backrest (8) is rotatably connected to the top of the cushion (1), a placing hole (4) is formed in one side, close to the cushion (1), of the backrest (8), a spring (5) is arranged in the placing hole (4), a limiting block (6) is connected to one end of the spring (5), a T-shaped block (7) is connected to one side, far away from the spring (5), of the limiting block (6), a threaded column (9) is arranged at the bottom of the cushion (1), a rotating column (10) is sleeved on the outer wall of the threaded column (9), a large bevel gear (11) is arranged at the bottom of the rotating column (10), a limiting column (12) is arranged at one side, far away from the threaded column (9) at the bottom of the cushion (1), a fixing frame (13) is arranged at one end, far away from the cushion (1), of the limiting column (12), the outer wall meshing of big bevel gear (11) is connected with bevel pinion (14), one side of bevel pinion (14) is provided with transfer line (15), the one end that bevel pinion (14) were kept away from in transfer line (15) is provided with rocking handle (16), the outer wall cover of transfer line (15) is equipped with bearing (17), the bottom of column spinner (10) is provided with support column (18), the outer wall fixedly connected with reinforcement frame (19) of support column (18), the bottom of support column (18) is provided with base (20).

2. A height adjustable student chair as claimed in claim 1 wherein: the two ends of the spring (5) are fixedly connected with the inner wall of the placing hole (4) and the outer wall of the limiting block (6) respectively, and the inner wall of the placing hole (4) is attached to the outer wall of the limiting block (6).

3. A height adjustable student chair as claimed in claim 1 wherein: the limiting block (6) is in the shape of a triangular prism, and the outer wall of one side of the prism is attached to the outer wall of the gear (3).

4. A height adjustable student chair as claimed in claim 1 wherein: two ends of the rotating column (10) are respectively and rotatably connected with the fixed frame (13) and the supporting column (18) through bearings.

5. A height adjustable student chair as claimed in claim 1 wherein: the inner wall of the rotating column (10) is provided with an internal thread matched with the outer wall of the threaded column (9).

6. A height adjustable student chair as claimed in claim 1 wherein: the number of the limiting columns (12) is two, the limiting columns are symmetrically arranged along the vertical middle line of the threaded column (9), and the limiting columns (12) penetrate through the fixing frame (13) and are arranged in a sliding mode.