Desk and chair for terrace classroom

Abstract

The desk and chair for the terrace classroom comprises two supporting assemblies, each supporting assembly comprises a mounting column, adjusting rods are arranged in the two mounting columns in a sleeved mode, the lower ends of the two adjusting rods are fixedly connected with supporting plates, and the supporting plates are fixedly connected with the lower ends of the adjusting rods. Stand columns are fixedly connected to the upper ends of the two supporting plates, a table top plate is rotatably connected to one sides of the two stand columns, sliding grooves are symmetrically formed in the lower surface of the table top plate, sliding rods are fixedly connected to the interiors of the sliding grooves, sliding blocks are slidably connected to the outer surfaces of the sliding rods, and compression springs are arranged on the outer surfaces of the sliding rods. A rotating rod is arranged on one side of the sliding block, a clamping block is fixedly connected to one side of the rotating rod, and a clamping groove is formed in one side of the mounting column. And by arranging a sliding groove, a sliding rod, a sliding block, a pressure spring, a rotating rod, a clamping block and a clamping groove, the table top plate can be conveniently overturned and stored, and the occupied space is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of desks and chairs, in particular to a desk and chair for a stepped classroom. Background Art

[0002] Generally, desks and chairs in lecture halls are fixed to the ground, which prevents them from being cluttered in narrow classrooms. However, how to make good use of the limited space in lecture halls is always worth exploring. The traditional approach is to make the desks in lecture halls narrower than those in general classrooms, and the chairs are designed with flippable seats. Both approaches are to minimize the space occupied by narrow aisles, but narrower desks cannot meet students' writing needs; this approach is still not enough to save space, and unused desks still occupy aisle space, causing inconvenience to students.

[0003] A desk and chair for a stepped classroom with application number "CN202120052893.X" includes a seat row formed by a combination of several chairs, the chair includes a support seat and a backrest, one side of the backrest is rotatably provided with a seat plate, the other side of the backrest is slidably provided with a table plate, the bottom of the support seat is provided with a support member for supporting the support seat on the ground, and both sides of the seat row are detachably provided with additional chairs. The table plate is provided with a plurality of sliders, and the chair is provided with a plurality of slide grooves, the sliders are slidably matched with the slide grooves, the sliders are also provided with a limit plate, and the support seat is provided with a plurality of limit grooves that are gap-matched with the limit plate. By adopting the above technical solution, the table plate can slide in the slide groove on the support seat through the slider, thereby changing the distance between the table plate and the ground, and the user can adjust the height of the table plate according to his own needs when using it, which is more convenient when using it; the limit plate can be inserted into the limit groove, thereby limiting the position of the slider in the slide groove. However, when using the above solution, the height of the seat from the ground cannot be adjusted, which is inconvenient for students of different heights. Utility Model Content

[0004] The purpose of the utility model is to provide a desk and chair for a stepped classroom, which can conveniently adjust the height of the seat through a supporting component, thereby making it convenient for students of different heights to use and improving comfort.

[0005] To achieve the above-mentioned purpose, a desk and chair for a stepped classroom is provided, comprising: a support assembly, wherein two support assemblies are provided, each of the two support assemblies comprises a mounting column, an adjusting rod is sleeved inside the two mounting columns, the lower ends of the two adjusting rods are fixedly connected to a support plate, the upper ends of the two support plates are fixedly connected to a column, one side of the two columns is rotatably connected to a desktop panel, the lower surface of the desktop panel is symmetrically provided with a slide groove, the inside of the slide groove is fixedly connected to a slide rod, the outer surface of the slide rod is slidably connected to a slider, the outer surface of the slide rod is provided with a compression spring, one side of the slider is provided with a rotating rod, one side of the rotating rod is fixedly connected to a clamping block, and one side of the column is provided with a clamping groove;

[0006] A backrest is fixedly connected between the two support assemblies, a seat is rotatably connected to the bottom of the backrest, and a cushion is symmetrically arranged on the upper end of the seat.

[0007] According to the desk and chair for a stepped classroom, a fixing bolt is threadedly connected to one side of the mounting column, and a plurality of second threaded holes are formed on one side of the adjusting rod.

[0008] According to the desk and chair for a stepped classroom, the adjustment rod is fixedly connected to the mounting column via a fixing bolt.

[0009] According to the desk and chair for a stepped classroom, first threaded holes are symmetrically provided on the surface of the support plate.

[0010] According to the desk and chair for a stepped classroom, one end of the compression spring is fixed to one side of the sliding block, and the other end of the compression spring is fixed to the inner wall of the sliding groove.

[0011] According to the desk and chair for a stepped classroom, a first through hole is formed on one side of the sliding block, and a second through hole is formed on one side of the rotating rod.

[0012] According to the desk and chair for a stepped classroom, a rotating shaft is provided on one side of the sliding block, and the rotating rod is rotatably connected to the outer surface of the rotating shaft.

[0013] According to the desk and chair for a stepped classroom, the rotating shaft passes through the slider and the rotating rod.

[0014] The purpose of the utility model is to provide a desk and chair for a stepped classroom, the main innovations are:

[0015] 1. The desks and chairs for the stepped classroom are convenient for adjusting the height of the seats by setting a supporting component, thereby making it convenient for students of different heights to use and improving comfort.

[0016] 2. The desks and chairs for the stepped classroom are convenient for flipping and storing the desktop panel by arranging a slide groove, a slide rod, a slider, a compression spring, a rotating rod, a clamping block, and a clamping groove, thereby reducing the occupied space.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0019] Figure 1 A three-dimensional diagram of desks and chairs for a stepped classroom proposed by the utility model;

[0020] Figure 2 This is a structural schematic diagram of a tabletop panel of desks and chairs for a stepped classroom proposed by the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of a support rod for desks and chairs for a stepped classroom proposed by the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of a support assembly for desks and chairs for a stepped classroom proposed by the utility model;

[0023] Figure 5 The utility model proposed Figure 2 The structural diagram at A in the middle;

[0024] Figure 6 The utility model is a schematic structural diagram of a column of desks and chairs for a stepped classroom.

[0025] Legend:

[0026] 1. Support assembly; 2. Support plate; 3. First threaded hole; 4. Backrest; 5. Seat; 6. Cushion; 7. Table top; 8. Slide groove; 9. Slide rod; 10. Compression spring; 11. Sliding block; 12. First through hole; 13. Rotating shaft; 14. Rotating rod; 15. Second through hole; 16. Snap-in block; 17. Snap-in groove; 18. Mounting column; 19. Fixing bolt; 20. Adjusting rod; 21. Second threaded hole; 22. Column. DETAILED DESCRIPTION

[0027] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0028] Reference Figure 1-6 The utility model embodiment of a desk and chair for a stepped classroom includes a support assembly 1, which is provided with two support assemblies 1. The two support assemblies 1 each include a mounting column 18, and the interior of the two mounting columns 18 is sleeved with an adjusting rod 20. The lower ends of the two adjusting rods 20 are fixedly connected to the support plate 2, and the upper ends of the two support plates 2 are fixedly connected to the columns 22. One side of the two columns 22 is rotatably connected to a desktop panel 7. The lower surface of the desktop panel 7 is symmetrically provided with a slide groove 8, and the interior of the slide groove 8 is fixedly connected to a slide rod 9. The outer surface of the slide rod 9 is slidably connected to a slider 11. The outer surface of the slide rod 9 is provided with a compression spring 10. A rotating rod 14 is provided on one side of the slider 11, and a clamping block 16 is fixedly connected to one side of the rotating rod 14. A clamping groove 17 is provided on one side of the column 22. By arranging the slide groove 8, the slide rod 9, the slider 11, the compression spring 10, the rotating rod 14, the clamping block 16, and the clamping groove 17, it is convenient to flip and store the desktop panel 7 to reduce the occupied space.

[0029] A backrest 4 is fixedly connected between the two support components 1, and a seat 5 is rotatably connected to the bottom of the backrest 4. A cushion 6 is symmetrically arranged on the upper end of the seat 5. By arranging the cushion 6, the comfort when sitting is improved.

[0030] A fixing bolt 19 is threadedly connected to one side of the mounting column 18, and a plurality of second threaded holes 21 are provided on one side of the adjusting rod 20. The adjusting rod 20 is fixedly connected to the mounting column 18 through the fixing bolt 19. By arranging the support assembly 1, the mounting column 18, the fixing bolt 19, the adjusting rod 20, and the second threaded hole 21, the height of the seat 5 can be adjusted conveniently, thereby facilitating the use of students of different heights and improving comfort. The surface of the support plate 2 is symmetrically provided with the first threaded holes 3. By arranging the support plate 2 and the first threaded holes 3, it is convenient to fix the desks and chairs. One end of the compression spring 10 is fixed to one side of the slider 11, and the other end of the compression spring 10 is fixed to the inner side wall of the slide groove 8. A first through hole 12 is provided on one side of the slider 11, and a second through hole 15 is provided on one side of the rotating rod 14. A rotating shaft 13 is provided on one side of the slider 11, and the rotating rod 14 is rotatably connected to the outer surface of the rotating shaft 13, and the rotating shaft 13 passes through the slider 11 and the rotating rod 14.

[0031] Working principle: When using this kind of desk and chair for a stepped classroom, when it is necessary to adjust the height of the seat 5, screw the fixing bolt 19 to unscrew it, pull the mounting column 18, adjust the seat 5 to a suitable height, and then tighten the fixing bolt 19; slide the slider 11 to one side to compress the compression spring 10, and the clamping block 16 of the rotating rod 14 slides out of the clamping groove 17 to release the restriction, and the rotating rod 14 rotates, and at the same time the desktop panel 7 rotates to achieve storage. When it is necessary to support the desktop panel 7, pull the slider 11, rotate the rotating rod 14, align the clamping block 16 with the clamping groove 17, loosen the slider 11, reset the compression spring 10, and the slider 11 then drives the rotating rod 14 to move, and the rotating rod 14 drives the clamping block 16 to enter the clamping groove 17 for clamping, thereby supporting the desktop panel 7.

[0032] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A desk and chair for a stepped classroom, characterized in that: include: A support assembly (1), wherein two support assemblies (1) are provided, and the two support assemblies (1) each include a mounting column (18), an adjusting rod (20) is sleeved inside the two mounting columns (18), the lower ends of the two adjusting rods (20) are fixedly connected to the support plate (2), the upper ends of the two support plates (2) are fixedly connected to the columns (22), one side of the two columns (22) is rotatably connected to a desktop panel (7), the lower surface of the desktop panel (7) is symmetrically provided with a slide groove (8), the inside of the slide groove (8) is fixedly connected with a slide rod (9), the outer surface of the slide rod (9) is slidably connected to a slider (11), the outer surface of the slide rod (9) is provided with a compression spring (10), one side of the slider (11) is provided with a rotating rod (14), one side of the rotating rod (14) is fixedly connected with a clamping block (16), and one side of the column (22) is provided with a clamping groove (17); A backrest (4) is fixedly connected between the two support assemblies (1), a seat (5) is rotatably connected to the bottom of the backrest (4), and a cushion (6) is symmetrically arranged at the upper end of the seat (5).

2. The desk and chair for a stepped classroom according to claim 1, characterized in that: A fixing bolt (19) is threadedly connected to one side of the mounting column (18), and a plurality of second threaded holes (21) are formed on one side of the adjusting rod (20).

3. The desk and chair for a stepped classroom according to claim 2, characterized in that: The adjusting rod (20) is fixedly connected to the mounting column (18) via a fixing bolt (19).

4. The desk and chair for a stepped classroom according to claim 1, characterized in that: The surface of the support plate (2) is symmetrically provided with first threaded holes (3).

5. The desk and chair for a stepped classroom according to claim 1, characterized in that: One end of the compression spring (10) is fixed to one side of the sliding block (11), and the other end of the compression spring (10) is fixed to the inner wall of the sliding groove (8).

6. The desk and chair for a stepped classroom according to claim 1, characterized in that: A first through hole (12) is formed on one side of the sliding block (11), and a second through hole (15) is formed on one side of the rotating rod (14).

7. The desk and chair for a stepped classroom according to claim 1, characterized in that: A rotating shaft (13) is provided on one side of the sliding block (11), and the rotating rod (14) is rotatably connected to the outer surface of the rotating shaft (13).

8. The desk and chair for a stepped classroom according to claim 7, characterized in that: The rotating shaft (13) passes through the sliding block (11) and the rotating rod (14).

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