CN111067258A

CN111067258A - A rotatable desk chair external member composite set for teaching

Info

Publication number: CN111067258A
Application number: CN201911271123.8A
Authority: CN
Inventors: 王理研; 汪飞
Original assignee: Bengbu Liwang Experimental Equipment Co Ltd
Current assignee: Bengbu Liwang Experimental Equipment Co Ltd
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-04-28

Abstract

The invention discloses a rotary desk and chair set combination device for teaching in the technical field of teaching equipment, wherein the side wall of a supporting component is horizontally and symmetrically and fixedly connected with a first connecting rod and a second connecting rod, the end part of the first connecting rod is fixedly connected with a fixing frame, the bottom of the fixing frame is provided with a second universal wheel, the end part of the second connecting rod is fixedly connected with a lower baffle plate, an adjusting rack is meshed and connected with an adjusting gear embedded in the side wall of the upper baffle plate, the inner cavity of an outer sleeve is rotatably inserted with an inner sleeve, one end of a limiting shaft is fixedly connected with a reset spring arranged in the inner cavity of the inner sleeve, and the side wall of a first desk plate is provided with a fixed component. The use effect is good.

Description

A rotatable desk chair external member composite set for teaching

Technical Field

The invention relates to the technical field of teaching equipment, in particular to a rotary desk and chair set combined device for teaching.

Background

A desk and chair is a desk and chair used by students in class, and is also called a student desk and chair and a school desk and chair. The desk and chair can be divided according to age, material and function.

Most of the existing desk and chair are separated, in the using process, the desk and chair are very inconvenient to move, the angle of the desk and chair cannot be adjusted at will, the distance of the desk and chair can not be adjusted conveniently and quickly according to different users, the using effect is poor, and therefore the rotatable desk and chair set combination device for teaching is provided.

Disclosure of Invention

The invention aims to provide a rotary desk and chair set combination device for teaching, which solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a rotatable desk and chair set combined device for teaching comprises a supporting component, wherein the bottom of the supporting component is provided with a first universal wheel, the top of the supporting component is fixedly connected with a chair, the side wall of the supporting component is horizontally and symmetrically and fixedly connected with a first connecting rod and a second connecting rod, the end part of the first connecting rod is fixedly connected with a fixed frame, the bottom of the fixed frame is provided with a second universal wheel, the end part of the second connecting rod is fixedly connected with a lower baffle, the bottom of the lower baffle is fixedly inserted with a supporting leg, the top of the lower baffle is fixedly connected with an upper baffle, the upper baffle is arranged on the left side of the top of the fixed frame, the top of the upper baffle arranged on the fixed frame is provided with a movable block in a sliding manner, the movable block is fixedly connected with a limiting block through the fixed rod, the bottom of the limiting block and the movable block are fixedly connected with an adjusting rack, the, the adjusting gear is fixedly connected with the adjusting knob through a connecting shaft, the side wall of the upper baffle plate is inserted with a limiting rod in a sliding mode, the limiting rod penetrates through a group of adjacent gear teeth on the adjusting gear, an outer sleeve is fixedly arranged at the top of the movable block, an inner sleeve is inserted into an inner cavity of the outer sleeve in a rotating mode, the upper half barrel body of the inner sleeve is fixedly connected with the bottom surface of the first table plate, a limiting shaft is inserted into an inner cavity of the inner sleeve in a sliding mode, one end of the limiting shaft is fixedly connected with a reset spring arranged in the inner cavity of the inner sleeve, a fixing assembly is arranged on the side wall of the first table plate, the first table plate is connected with the second table plate through a connecting piece, and the second table plate is identical.

Further, fixed subassembly is including offering the fixed slot of first table lateral wall and offering the axle slot that just communicates with the fixed slot in first table top surface, fixed subassembly is still including locating the spacing spring in the fixed slot, the fixed cover of spacing spring is located the fixed axle outer wall, fixed axle one end extends to the first table lateral wall outside.

Further, the shaft groove is matched with the limiting shaft, the limiting shaft is of an L-shaped structure, and a limiting hole is formed in the end portion of the limiting shaft.

Further, the supporting component comprises a supporting rod with a base, a hydraulic telescopic rod is arranged at the top of the supporting rod, a fixing sleeve is sleeved on the outer side wall of the supporting rod close to the top, and the first connecting rod and one end of the second connecting rod are fixedly connected with the outer wall of the fixing sleeve.

Furthermore, the connecting piece is a limiting straight plate with one end movably fixed through a pin shaft inserted in the first table plate, the other end of the connecting piece is buckled with a lug arranged on the side wall of the second table plate, a connecting groove is formed in one end of the connecting piece, and the connecting piece is arranged on the front side wall and the rear side wall of the first table plate.

Furthermore, the top of the upper baffle plate is provided with a limiting groove, the two ends of the limiting groove are provided with stop blocks, the bottom of the limiting groove is provided with an adjusting opening matched with the adjusting rack, the hobbing surface of the adjusting rack is arranged downwards, and the adjusting rack is connected with the bottom surface of the limiting groove in a sliding mode.

Furthermore, a bookshelf is arranged on one side of the top surface of the second table board, and the first table board and the second table board are identical in size and structure.

Compared with the prior art, the invention has the beneficial effects that:

1. the table and chair is integrally arranged, the table and chair can rotate 360 degrees along the left lower baffle and the left upper baffle as axes by matching with the first universal wheel and the second universal wheel, so that the facing angle of the table and chair can be changed according to requirements, and the applicability of the table and chair is improved;

2. the distance between the table board and the user can be adjusted according to different users, the user can quickly realize the adjusting process only by rotating the adjusting knob, and the comfort of the user in use is improved;

3. according to the table, the two surfaces of the table are independently connected, the two surfaces of the table can independently rotate and can be spliced together, so that a user can independently use the table as required, and the applicability of the table and the chair is improved;

4. the invention is provided with the integrally connected fixing frame, so that a user can place more books and the like, and the storage function of the table and chair is improved.

Drawings

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

FIG. 2 is a schematic top view of the upper baffle plate of the present invention;

FIG. 3 is a schematic structural cross-sectional view of the structure at the point A of the present invention;

FIG. 4 is a schematic view of a fixing assembly according to the present invention;

FIG. 5 is a schematic view of a support assembly according to the present invention.

In the figure: 1. a support assembly; 101. a support bar; 102. a hydraulic telescopic rod; 103. fixing a sleeve; 2. a first universal wheel; 3. a seat; 4. a first connecting rod; 5. a fixed mount; 6. a second universal wheel; 7. a second connecting rod; 8. a lower baffle plate; 9. supporting legs; 10. an upper baffle plate; 11. a movable block; 12. fixing the rod; 13. a limiting block; 14. adjusting the rack; 15. an adjusting gear; 16. adjusting the rotary handle; 17. a limiting rod; 18. an outer sleeve; 19. an inner sleeve; 20. a first table; 21. a limiting shaft; 22. a return spring; 23. a fixing assembly; 231. fixing grooves; 232. a shaft groove; 233. a limiting spring; 234. a fixed shaft; 24. a connecting member; 25. a second table; 26. a bookshelf is arranged.

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

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.

The invention provides a rotary desk and chair suite combination device for teaching, which changes the traditional separated fixed desk and chair into an integrated movable desk and chair, improves the applicability of the desk and chair, simultaneously has the advantages of adjusting the distance between a desk board and a user, improving the comfort when the user uses and having good use effect;

referring to fig. 1, a first universal wheel 2 is arranged at the bottom of a support assembly 1, the first universal wheel 2 and a second universal wheel 6 below are respectively provided with a brake mechanism, the top of the support assembly 1 is fixedly connected with a seat 3, and the side wall of the support assembly 1 is horizontally and symmetrically fixedly connected with a first connecting rod 4 and a second connecting rod 7;

please refer to fig. 1; the end part of the first connecting rod 4 is fixedly connected with a fixing frame 5, the fixing frame 5 is designed to be of a double-layer structure and is used for storing books or other personal articles used for study, the desktop space is not occupied, a second universal wheel 6 is arranged at the bottom of the fixing frame 5, the end part of the second connecting rod 7 is fixedly connected with a lower baffle plate 8, supporting legs 9 are fixedly inserted at the bottom of the lower baffle plate 8, and two groups of the supporting legs 9 are arranged at the bottom of the lower baffle plate 8;

referring to fig. 1 and 2, the top of the lower baffle 8 is fixedly connected with an upper baffle 10, the upper baffle 10 and the left side of the top of the fixed frame 5 are also arranged, that is, a local support rod of the fixed frame 5 is fixedly connected with the outer wall of the upper baffle 10, the top of the upper baffle 10 arranged on the fixed frame 5 and the lower baffle 8 is provided with a movable block 11 in a sliding manner, the top of the upper baffle 10 is provided with a limit chute, the movable block 11 is fixedly connected with a limit block 13 through a fixed rod 12, and the bottom of the limit block 13 and the movable block 11 are fixedly connected with an adjusting rack;

referring to fig. 1 and 2, an adjusting rack 14 is engaged with an adjusting gear 15 embedded in a side wall of an upper baffle 10, the adjusting gear 15 is fixedly connected with an adjusting knob 16 through a connecting shaft, a limiting rod 17 is inserted into the side wall of the upper baffle 10 in a sliding manner, the limiting rod 17 penetrates through a certain group of adjacent gear teeth on the adjusting gear 15, when the distance between the tables is adjusted, the limiting rod 17 is drawn out, the limiting on the adjusting gear 15 is lost, the adjusting knob 16 is rotated to drive the adjusting gear 15 to rotate, the adjusting rack 14 is driven to move along the upper baffle 10 through the engagement effect, so that the movable block 11 drives the tables to move, the distance is adjusted, and the first table 20 and the second table 25 can be independently adjusted;

referring to fig. 1 and 3, an outer sleeve 18 is fixedly arranged at the top of the movable block 11, an inner sleeve 19 is rotatably inserted into an inner cavity of the outer sleeve 18, an upper half barrel body of the inner sleeve 19 is fixedly connected with the bottom surface of a first table plate 20, a limiting shaft 21 is slidably inserted into an inner cavity of the inner sleeve 19, the table plate can rotate along the outer sleeve 18 through the inner sleeve 19, a user can conveniently sit on the table plate, the first table plate 20 or a second table plate 25 can be determined to be used according to the use requirement, and one end of the limiting shaft 21 is fixedly connected with a return spring 22 arranged in the inner cavity of the inner sleeve 19;

referring to fig. 1, a fixing assembly 23 is disposed on a side wall of the first table 20, a specific structure of the fixing assembly 23 is described below, the fixing assembly is used for fixing the table after rotation, the first table 20 is connected to a second table 25 through a connecting member 24, and the second table 25 and the first table 20 are mounted in the same structure.

Referring to fig. 4, the fixing assembly 23 includes a fixing groove 231 formed in a side wall of the first table 20 and a shaft groove 232 formed in a top surface of the first table 20 and communicated with the fixing groove 231, the fixing assembly 23 further includes a limiting spring 233 disposed in the fixing groove 231, the limiting spring 233 is fixedly sleeved on an outer wall of the fixing shaft 234, one end of the fixing shaft 234 extends to an outer side of the side wall of the first table 20, when the tables are spliced together, the limiting shaft 21 is pressed downward, the return spring 22 is compressed synchronously, the limiting shaft 21 is pressed into the fixing groove 231, and the fixing shaft 234 pulled outward is reset, so that the fixing shaft 234 is inserted into an inner cavity of the limiting shaft 21, thereby forming a limiting and fixing effect.

The shaft groove 232 and the spacing shaft 21 are mutually matched, the spacing shaft 21 is of an L-shaped structure, the fixing of the table plate is ensured after the spacing shaft 21 is pressed into the fixing groove 231, and the end part of the spacing shaft 21 is provided with a spacing hole.

Referring to fig. 5, the supporting assembly 1 includes a supporting rod 101 having a base, a hydraulic telescopic rod 102 is disposed at the top of the supporting rod 101 for a user to adjust the height of the seat 3, a fixing sleeve 103 is sleeved on the outer side wall of the supporting rod 101 near the top, and one ends of the first connecting rod 4 and the second connecting rod 7 are fixedly connected to the outer wall of the fixing sleeve 103.

The connecting piece 24 is a spacing straight plate with one end movably fixed through a pin inserted in the first table plate 20, the other end of the connecting piece 24 is fastened with a convex block arranged on the side wall of the second table plate 25, one end of the connecting piece 24 is provided with a connecting groove, and the connecting piece 24 is arranged on the front side wall and the rear side wall of the first table plate 20.

The top of the upper baffle 10 is provided with a limiting groove, the two ends of the limiting groove are provided with stop blocks, the bottom of the limiting groove is provided with an adjusting opening matched with the adjusting rack 14, the hobbing surface of the adjusting rack 14 is arranged downwards, and the adjusting rack 14 is connected with the bottom surface of the limiting groove in a sliding mode.

One side of the top surface of the second table board 25 is provided with a book placing shelf 26, so that a user can place books orderly, the problem of disorder of the table top is avoided, and the first table board 20 and the second table board 25 are identical in size and structure.

The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.

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 rotatable desk chair external member composite set for teaching which characterized in that: the device comprises a supporting component (1), wherein a first universal wheel (2) is arranged at the bottom of the supporting component (1), a seat (3) is fixedly connected with the top of the supporting component (1), a first connecting rod (4) and a second connecting rod (7) are horizontally and symmetrically and fixedly connected with the side wall of the supporting component (1), the end part of the first connecting rod (4) is fixedly connected with a fixed frame (5), a second universal wheel (6) is arranged at the bottom of the fixed frame (5), the end part of the second connecting rod (7) is fixedly connected with a lower baffle (8), a supporting leg (9) is fixedly inserted at the bottom of the lower baffle (8), the top part of the lower baffle (8) is fixedly connected with an upper baffle (10), the upper baffle (10) is also arranged at the left side of the top part of the fixed frame (5), a movable block (11) is arranged at the top part of the upper baffle, the movable block (11) is fixedly connected with a limiting block (13) through a fixed rod (12), the limiting block (13) is fixedly connected with an adjusting rack (14) at the bottom of the movable block (11), the adjusting rack (14) is meshed with an adjusting gear (15) embedded on the side wall of an upper baffle plate (10), the adjusting gear (15) is fixedly connected with an adjusting knob (16) through a connecting shaft, a limiting rod (17) is inserted and connected with the side wall of the upper baffle plate (10) in a sliding manner, the limiting rod (17) penetrates through a certain group of adjacent gear teeth on the adjusting gear (15), an outer sleeve (18) is fixedly arranged at the top of the movable block (11), an inner sleeve (19) is inserted and connected with the inner cavity of the outer sleeve (18) in a rotating manner, the upper half cylinder body of the inner sleeve (19) is fixedly connected with the bottom surface of a first table plate (20), and a limiting shaft (21) is inserted and connected with, spacing axle (21) one end and reset spring (22) fixed connection who locates inner skleeve (19) inner chamber, first table (20) lateral wall is provided with fixed subassembly (23), just first table (20) pass through connecting piece (24) and connect second table (25), second table (25) are the same with the mounting structure of first table (20).

2. A rotatable desk and chair set assembly for teaching as claimed in claim 1 wherein: fixed subassembly (23) including set up in fixed slot (231) of first table (20) lateral wall and set up in first table (20) top surface and with axle slot (232) of fixed slot (231) intercommunication, fixed subassembly (23) still including locating spacing spring (233) in fixed slot (231), fixed axle (234) outer wall is located to fixed cover in spacing spring (233), fixed axle (234) one end extends to the first table (20) lateral wall outside.

3. A rotatable desk and chair set assembly for teaching as claimed in claim 2 wherein: the shaft groove (232) is matched with the limiting shaft (21), the limiting shaft (21) is of an L-shaped structure, and a limiting hole is formed in the end portion of the limiting shaft (21).

4. A rotatable desk and chair set assembly for teaching as claimed in claim 1 wherein: the supporting component (1) comprises a supporting rod (101) with a base, a hydraulic telescopic rod (102) is arranged at the top of the supporting rod (101), a fixing sleeve (103) is sleeved on the outer side wall of the supporting rod (101) close to the top, and a first connecting rod (4) and one end of a second connecting rod (7) are fixedly connected with the outer wall of the fixing sleeve (103).

5. A rotatable desk and chair set assembly for teaching as claimed in claim 1 wherein: the connecting piece (24) is a limiting straight plate with one end movably fixed through a pin shaft inserted in the first table plate (20), the other end of the connecting piece (24) is buckled with a convex block arranged on the side wall of the second table plate (25), one end of the connecting piece (24) is provided with a connecting groove, and the connecting piece (24) is arranged on the front side wall and the rear side wall of the first table plate (20).

6. A rotatable desk and chair set assembly for teaching as claimed in claim 1 wherein: the limiting groove with the stop blocks at two ends is formed in the top of the upper baffle (10), the bottom of the limiting groove is provided with an adjusting opening matched with the adjusting rack (14), the hobbing surface of the adjusting rack (14) is arranged downwards, and the adjusting rack (14) is connected with the bottom of the limiting groove in a sliding mode.

7. A rotatable desk and chair set assembly for teaching as claimed in claim 1 wherein: a bookshelf (26) is arranged on one side of the top surface of the second table board (25), and the first table board (20) and the second table board (25) are identical in size and structure.