CN213962515U

CN213962515U - Chair for library

Info

Publication number: CN213962515U
Application number: CN202023198623.4U
Authority: CN
Inventors: 方正兴; 李志兵; 邓巍
Original assignee: Hunan Normal University
Current assignee: Hunan Normal University
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-08-17
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses a chair for library, which comprises a base, a movable plate, a motor, a support plate, a chair body and a control panel, wherein the top of the base is connected with the chair body, the top of the base is provided with a first groove, the movable plate is connected in the first groove in a sliding way, the motor is arranged below the first groove in the base, the output shaft end part of the motor is connected with a speed reducer, the output shaft end part of the speed reducer is fixedly connected with a half gear, the bottom of the movable plate is provided with a second groove, two corresponding inner walls of the second groove are both provided with a connecting groove, a rack is fixedly connected in the connecting groove, the half gear is meshed with the rack, the chair for library can be rapidly and conveniently arranged on the movable plate on the base, the disassembly is convenient, the replacement and the maintenance of the chair body are convenient, the condition that the noise generated by pulling the chair body in the past is prevented from influencing the reading of other people, simple structure just is comparatively convenient to the removal of seat body.

Description

Chair for library

Technical Field

The utility model relates to a library technical field specifically is a seat for library.

Background

Reading can exploit people's the field of vision, and all kinds of books have generally been placed in the library, therefore a lot of students like to treat and read at the library, have generally placed desk and chair in the library of school, can make things convenient for students to read.

The seat in the existing library is generally placed below the desk, when the chair is used, the seat is pulled out to be seated, then the seat is pulled to a comfortable position of a user, and the seat is easy to generate large noise due to friction between the seat and the ground in the pulling process, so that other students are very influenced to read.

Partial library produces great noise in order to prevent to pull the seat, is fixed together seat and desk usually, sets up to the table chair of integral type, and this type of seat leads to scrapping of whole table chair under the condition that the seat produced the damage after using for a long time, and loss cost is great, is not convenient for change the seat, for this reason, we propose a seat for library.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a library uses seat to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a chair for a library comprises a base, a movable plate, a motor, a supporting plate, a chair body and a control panel, wherein the top of the base is connected with the chair body, a first groove is formed in the top of the base, the movable plate is connected in the first groove in a sliding mode, the motor is installed below the first groove in the base, the end portion of an output shaft of the motor is connected with a speed reducer, a half gear is fixedly connected to the end portion of an output shaft of the speed reducer, a second groove is formed in the bottom of the movable plate, connecting grooves are formed in two corresponding inner walls of the second groove, racks are fixedly connected in the connecting grooves, the half gear is meshed with the racks, one end of the top of the movable plate penetrates through the base to be connected with the supporting plate, and the chair body is fixedly connected to the top of the supporting plate; control panel is installed to the lateral wall of seat body, control panel electric connection motor, the third recess has been seted up to the bottom symmetry of backup pad, the movable plate is located the outside one end symmetry fixedly connected with connecting rod of base, the connecting rod joint is in the third recess, the fourth recess has been seted up to the symmetry in the movable plate, and is equipped with the gag lever post in the fourth recess, the spacing groove has been seted up to the lateral wall of connecting rod, the one end joint of gag lever post is in the spacing groove, the gag lever post is located the inside one end fixedly connected with baffle of fourth recess, the second spring has been cup jointed in the outside of gag lever post, and the both ends of second spring respectively with baffle and fourth recess inner wall fixed connection.

Preferably, the other end of the limiting rod penetrates through the supporting plate to be connected with an adjusting rod in a rotating mode, the middle of the adjusting rod is connected with a fixing rod in a rotating mode, and one end, far away from the adjusting rod, of the fixing rod is fixedly connected to the side wall of the supporting plate.

Preferably, a first spring is fixedly connected in the third groove, a push plate is fixedly connected to the end of the first spring, and the end of the connecting rod is in contact with the push plate.

Preferably, the bottom of the base is fixedly connected with a rubber pad.

Preferably, the first groove is provided with a clamping groove on two corresponding inner walls, the two corresponding side walls of the movable plate are fixedly connected with clamping rods, and the clamping rods are connected in the clamping grooves in a sliding mode in a matching mode.

Compared with the prior art, the beneficial effects of the utility model are that: firstly, the utility model discloses fix the seat in the left end at the movable plate top, through the work of control panel control motor, make the half gear rotate, the meshing of half gear and rack is connected, simultaneously through the sliding connection of movable plate in first recess, can realize the left and right regulation of seat body, can play the effect of speed reduction through the speed reducer, the position between seat body and desk of being convenient for more convenient regulation, this setting has avoided in the past to stimulate the seat body to produce the noise and consequently leads to influencing the condition that other people read the book, simple structure and comparatively convenient to the removal of seat body; two, the utility model discloses in inserting the third recess in the backup pad with the connecting rod on the movable plate, make first spring compressed, the tip that makes the gag lever post under the effect of second spring inserts the spacing inslot, it is died to make between backup pad and the movable plate card, the realization is to the fixed mounting of seat body, when the seat body is damaged because of using the back for a long time, promote top to the backup pad department of adjusting the pole, the tip and the spacing groove of messenger's gag lever post break away from the connection, make backup pad and movable plate break away from the connection under the effect of first spring, this seat can be comparatively quick convenient install on the movable plate on the base, it is also comparatively convenient to dismantle, be convenient for change and maintenance to the seat body.

Drawings

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

Fig. 2 is a schematic structural diagram of a cross-sectional view of a side view of the base of the present invention.

Fig. 3 is a schematic structural diagram of a cross-sectional view of a top view of the base of the present invention.

Fig. 4 is a schematic view of the internal connection structure of the movable plate and the supporting plate of the present invention.

Fig. 5 is a schematic diagram of an enlarged view of a position a of the present invention.

In the figure: 1. a base; 2. a first groove; 3. moving the plate; 4. a second groove; 5. a rack; 6. a card slot; 7. a clamping rod; 8. a motor; 9. a speed reducer; 10. a half gear; 11. a support plate; 12. a connecting rod; 13. a third groove; 14. a first spring; 15. pushing the plate; 16. a fourth groove; 17. a limiting rod; 18. a limiting groove; 19. a second spring; 20. a baffle plate; 21. adjusting a rod; 22. fixing the rod; 23. a rubber pad; 24. a seat body; 25. a control panel.

Detailed Description

The technical solution 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 some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a chair for a library comprises a base 1, a moving plate 3, a motor 8, a supporting plate 11, a chair body 24 and a control panel 25, the top of the base 1 is connected with a seat body 24, the top of the base 1 is provided with a first groove 2, and the first groove 2 is connected with a moving plate 3 in a sliding way, a motor 8 is arranged in the base 1 and positioned below the first groove 2, and the end part of the output shaft of the motor 8 is connected with a speed reducer 9, the end part of the output shaft of the speed reducer 9 is fixedly connected with a semi-gear 10, the bottom of the moving plate 3 is provided with a second groove 4, and the two corresponding inner walls of the second groove 4 are both provided with connecting grooves, and a rack 5 is fixedly connected in the connecting grooves, the half gear 10 is meshed with the rack 5, one end of the top of the moving plate 3 penetrates through the base 1 to be connected with a supporting plate 11, and the seat body 24 is fixedly connected to the top of the supporting plate 11; control panel 25 is installed to seat body 24's lateral wall, control panel 25 electric connection motor 8, third recess 13 has been seted up to the bottom symmetry of backup pad 11, movable plate 3 is located the outside one end symmetry fixedly connected with connecting rod 12 of base 1, connecting rod 12 joint is in third recess 13, fourth recess 16 has been seted up to the symmetry in the movable plate 3, and is equipped with gag lever post 17 in the fourth recess 16, spacing groove 18 has been seted up to the lateral wall of connecting rod 12, the one end joint of gag lever post 17 is in spacing groove 18, gag lever post 17 is located the inside one end fixedly connected with baffle 20 of fourth recess 16, second spring 19 has been cup jointed in the outside of gag lever post 17, and second spring 19's both ends respectively with baffle 20 and the 16 inner wall fixed connection of fourth recess.

The other end of the limiting rod 17 penetrates through the supporting plate 11 to be connected with an adjusting rod 21 in a rotating mode, the middle of the adjusting rod 21 is connected with a fixing rod 22 in a rotating mode, one end, far away from the adjusting rod 21, of the fixing rod 22 is fixedly connected to the side wall of the supporting plate 11, and the limiting rod 17 can be controlled to move in the supporting plate 11 by pushing the end portion of the adjusting rod 21 to the supporting plate 11.

The interior fixedly connected with first spring 14 of third recess 13, the tip fixedly connected with push pedal 15 of first spring 14, the tip and the push pedal 15 contact of connecting rod 12 are convenient for control connecting rod 12 surplus third recess 13 quick disconnection.

The bottom fixedly connected with rubber pad 23 of base 1 can effectually play anti-skidding effect.

Draw-in groove 6 has all been seted up to two inner walls of correspondence of first recess 2, the equal fixedly connected with kelly 7 of the corresponding both sides wall of movable plate 3, kelly 7 cooperation sliding connection is in draw-in groove 6, the stability when being convenient for guarantee movable plate 3 slides.

The working principle is as follows: the seat body 24 is fixed at the left end of the top of the movable plate 3, the motor 8 is controlled to work through the control panel 25, the half gear 10 is rotated, the half gear 10 is meshed with the rack 5, meanwhile, the seat body 24 can be adjusted left and right through the sliding connection of the movable plate 3 in the first groove 2, the speed reducer 9 can play a role of reducing speed so as to conveniently adjust the position between the seat body 24 and a table, the connecting rod 12 on the movable plate 3 is inserted into the third groove 13 on the supporting plate 11 to compress the first spring 14, the end part of the limiting rod 17 is inserted into the limiting groove 18 under the action of the second spring 19, the supporting plate 11 and the movable plate 3 are clamped, the seat body 24 is fixedly installed, when the seat body 24 is damaged after long-term use, the top end of the adjusting rod 21 is pushed to the supporting plate 11, and the end part of the limiting rod 17 is disconnected with the limiting groove 18, the support plate 11 is disconnected from the moving plate 3 by the first spring 14.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 a seat for library, includes base (1), movable plate (3), motor (8), backup pad (11), seat body (24) and control panel (25), its characterized in that: the top of the base (1) is connected with a seat body (24), the top of the base (1) is provided with a first groove (2), a moving plate (3) is connected in the first groove (2) in a sliding way, a motor (8) is arranged in the base (1) and is positioned below the first groove (2), the end part of an output shaft of the motor (8) is connected with a speed reducer (9), the end part of the output shaft of the speed reducer (9) is fixedly connected with a semi-gear (10), the bottom of the moving plate (3) is provided with a second groove (4), and two corresponding inner walls of the second groove (4) are both provided with connecting grooves, and a rack (5) is fixedly connected in the connecting grooves, the half gear (10) is meshed with the rack (5), one end of the top of the moving plate (3) penetrates through the base (1) to be connected with a supporting plate (11), the seat body (24) is fixedly connected to the top of the support plate (11); the side wall of the seat body (24) is provided with a control panel (25), the bottom of the control panel (25) is connected with a motor (8), the bottom of the support plate (11) is symmetrically provided with a third groove (13), one end of the movable plate (3) positioned outside the base (1) is symmetrically and fixedly connected with a connecting rod (12), the connecting rod (12) is clamped in the third groove (13), the movable plate (3) is symmetrically provided with a fourth groove (16), a limiting rod (17) is arranged in the fourth groove (16), the side wall of the connecting rod (12) is provided with a limiting groove (18), one end of the limiting rod (17) is clamped in the limiting groove (18), one end of the limiting rod (17) positioned inside the fourth groove (16) is fixedly connected with a baffle (20), and the outer side of the limiting rod (17) is sleeved with a second spring (19), and two ends of the second spring (19) are respectively fixedly connected with the baffle (20) and the inner wall of the fourth groove (16).

2. A library seat according to claim 1, wherein: the other end of the limiting rod (17) penetrates through the supporting plate (11) and is hinged with an adjusting rod (21), the middle of the adjusting rod (21) is hinged with a fixing rod (22), and one end, far away from the adjusting rod (21), of the fixing rod (22) is fixedly connected to the side wall of the supporting plate (11).

3. A library seat according to claim 1, wherein: the inner side of the third groove (13) is fixedly connected with a first spring (14), the end part of the first spring (14) is fixedly connected with a push plate (15), and the end part of the connecting rod (12) is in contact with the push plate (15).

4. A library seat according to claim 1, wherein: the bottom of the base (1) is fixedly connected with a rubber pad (23).

5. A library seat according to claim 1, wherein: draw-in groove (6) have all been seted up to two inner walls that correspond of first recess (2), the equal fixedly connected with kelly (7) of the corresponding both sides wall of movable plate (3), kelly (7) cooperation sliding connection is in draw-in groove (6).