Convertible desk structure

Abstract

The utility model discloses a convertible desk structure which comprises a guide rail assembly, a positioning assembly and a desk plate assembly, the guide rail assembly comprises two guide rail plates, and the left side of each guide rail plate is provided with a movable hole penetrating to the right side of the guide rail plate; the positioning assembly comprises a positioning plate, and a positioning groove is formed in the front face of the positioning plate. The table board assembly comprises a table board, a shaft tube, a rotating shaft, a screw rod, a positioning nut and a limiting piece. By arranging the guide rail assembly, the positioning assembly and the table plate assembly, the equipment is fixed on the wall through the guide rail assembly and the positioning assembly, and the floor space is not occupied; the table plate assembly can move up and down on the guide rail assembly and is positioned through the positioning assembly so as to adapt to different heights of users and heights of chairs. When not in use, the table plate assembly can be folded to be parallel to the guide rail assembly and the positioning assembly, and the table is suitable for being used in a room with narrow space.

Description

Technical Field

[0001] This utility model relates to the field of desks, and in particular to a convertible desk structure. Background Technology

[0002] A desk that is too high and a chair that is too low will cause a person to lie down, shortening the viewing distance; conversely, the opposite will also affect posture, which over time can easily lead to spinal curvature and nearsightedness.

[0003] In addition, if the indoor space is limited, a desk that occupies a large area will make the limited space even narrower and more cramped. Therefore, a convertible desk structure is proposed. Utility Model Content

[0004] The technical problem to be solved by this utility model is to overcome the defects of the prior art and provide a convertible desk structure that does not occupy ground space for installation, can be installed on the wall, and can be adjusted in height and folded.

[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution:

[0006] This utility model discloses a convertible desk structure, comprising a guide rail assembly, a positioning assembly, and a tabletop assembly, wherein...

[0007] The guide rail assembly includes two guide rail plates, and the left side of each guide rail plate has a movable hole that extends through to the right side of the guide rail plate.

[0008] The positioning component includes a positioning plate, and a positioning groove is provided on the front side of the positioning plate;

[0009] The tabletop assembly includes a tabletop, a shaft tube, a rotating shaft, a screw, a positioning nut, and a limiting component, wherein...

[0010] The shaft tube is fixedly installed on the back of the tabletop;

[0011] A rotating shaft extends from the left side of the shaft tube to the right side of the shaft tube;

[0012] There are two screws, which are fixed on the left and right sides of the rotating shaft respectively, and they extend from the opposite side of the guide plate through the movable hole to the opposite side of the guide plate.

[0013] The positioning nut is threaded onto the outside of the screw rod, and one end of it contacts the side opposite to the guide rail plate.

[0014] The limiting component is located at the bottom of the tabletop and is used to insert into the positioning groove to limit the tabletop.

[0015] As a preferred embodiment of this utility model, ear plates are fixedly provided on both the left and right sides of the guide rail plate, and a fixing screw that extends through to the rear side of the ear plate is threadedly connected to the front of the ear plate.

[0016] As a preferred technical solution of this utility model, side plates are fixedly provided on both the left and right sides of the positioning plate, and a limiting screw that extends through to the rear side of the side plate is threadedly connected to the front of the side plate.

[0017] As a preferred technical solution of this utility model, there are multiple positioning grooves, which are opened at equal intervals from top to bottom on the front of the positioning plate.

[0018] As a preferred embodiment of this utility model, the top and bottom of the positioning nut are both fixedly provided with rotating handles, and the side of the positioning nut near the guide rail plate is fixedly provided with resistance-increasing particles.

[0019] As a preferred technical solution of this utility model, the limiting component includes a limiting block fixedly disposed at the bottom of the tabletop, an adjusting screw threadedly connected to the front of the limiting block and extending to the rear side of the limiting block, and a limiting rod extending into the positioning groove fixedly disposed on the back of the adjusting screw.

[0020] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0021] This invention features a guide rail assembly, a positioning assembly, and a table assembly. The device is fixed to the wall via the guide rail assembly and the positioning assembly, without occupying floor space. The table assembly can move up and down on the guide rail assembly and is positioned by the positioning assembly, thus adapting to different user heights and chair heights. When not in use, the table assembly can be folded to be parallel to the guide rail assembly and the positioning assembly, making it suitable for use in rooms with limited space. Attached Figure Description

[0022] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0023] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0024] Figure 2 This is a partial side view of the present invention;

[0025] Figure 3 This is a front view of the present invention;

[0026] Figure 4 This is a schematic diagram of an embodiment of the present invention when the tabletop and guide rail assembly are parallel;

[0027] Figure 5 This is a side view of the present invention.

[0028] In the diagram: 1. Guide rail assembly; 11. Guide rail plate; 12. Ear plate; 13. Movable hole; 2. Positioning assembly; 21. Positioning plate; 22. Side plate; 23. Positioning groove; 3. Tabletop assembly; 31. Tabletop; 32. Shaft tube; 33. Rotating shaft; 34. Screw; 35. Positioning nut; 36. Limit block; 37. Adjusting screw; 38. Limit rod. Detailed Implementation

[0029] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0030] In the attached diagram, all identical reference numerals refer to the same components.

[0031] Example 1

[0032] like Figure 1-5 As shown, this utility model provides a convertible desk structure, including a guide rail assembly 1, a positioning assembly 2, and a desk panel assembly 3. The guide rail assembly 1 includes two guide rail plates 11, with ear plates 12 fixedly mounted on both the left and right sides of each guide rail plate 11. A fixing screw extending to the rear of each ear plate 12 is threaded onto the front of the ear plate 12. A movable hole 13 extending to the right side of each guide rail plate 11 is provided on the left side. The positioning assembly 2 includes a positioning plate 21, with side plates 22 fixedly mounted on both the left and right sides of each positioning plate 21. A limiting screw extending to the rear of each side plate 22 is threaded onto the front of the side plate 22. A positioning groove is provided on the front of the positioning plate 21. 23. The tabletop assembly 3 includes a tabletop 31, a shaft tube 32, a rotating shaft 33, a screw 34, a positioning nut 35, and a limiting component. The shaft tube 32 is fixedly installed on the back of the tabletop 31. The rotating shaft 33 passes through the left side of the shaft tube 32 to the right side of the shaft tube 32. There are two screws 34, which are fixed on the left and right sides of the rotating shaft 33 respectively, and they extend from the opposite side of the guide rail plate 11 through the movable hole 13 to the opposite side of the guide rail plate 11. The positioning nut 35 is threaded to the outside of the screw 34, and one end of it is in contact with the opposite side of the guide rail plate 11. The limiting component is installed at the bottom of the tabletop 31 and is used to insert into the positioning groove 23 to limit the tabletop 31.

[0033] In addition, there are multiple positioning slots 23, which are opened at equal intervals from top to bottom on the front of the positioning plate 21.

[0034] Furthermore, the top and bottom of the positioning nut 35 are both fixedly provided with rotating handles, and the side of the positioning nut 35 near the guide rail plate 11 is fixedly provided with resistance-increasing particles.

[0035] In this embodiment, the limiting component includes a limiting block 36 fixedly disposed at the bottom of the tabletop 31. An adjusting screw 37 extending through to the rear side of the limiting block 36 is threadedly connected to the front side of the limiting block 36. A limiting rod 38 extending into the positioning groove 23 is fixedly disposed on the back side of the adjusting screw 37.

[0036] In summary, this utility model, by setting up a guide rail assembly 1, a positioning assembly 2, and a tabletop assembly 3, allows the device to be fixed to the wall via the guide rail assembly 1 and the positioning assembly 2, without occupying floor space. The tabletop assembly 3 can move up and down on the guide rail assembly 1 and is positioned by the positioning assembly 2, thus adapting to different user heights and chair heights. When not in use, the tabletop assembly 3 can be folded to make it parallel to the guide rail assembly 1 and the positioning assembly 2, making it suitable for use in rooms with limited space.

[0037] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A convertible desk structure, comprising a guide rail assembly (1), a positioning assembly (2) and a desk board assembly (3), wherein, the guide rail assembly (1) comprises two guide rail plates (11), the left side of the guide rail plate (11) is provided with a movable hole (13) penetrating to the right side of the guide rail plate (11); the positioning assembly (2) comprises a positioning plate (21), the front surface of the positioning plate (21) is provided with a positioning groove (23); characterized in that the desk board assembly (3) comprises a desk board (31), a shaft tube (32), a rotating shaft (33), a screw rod (34), a positioning nut (35) and a limiting piece, wherein, the shaft tube (32) is fixedly arranged on the back surface of the desk board (31); the rotating shaft (33) penetrates from the left side of the shaft tube (32) to the right side of the shaft tube (32); the screw rod (34) is two in number, respectively fixed on the left and right sides of the rotating shaft (33), and extends from the opposite side of the guide rail plate (11) to the opposite side of the guide rail plate (11) through the movable hole (13); the positioning nut (35) is threadedly connected to the outside of the screw rod (34), and one end thereof is in contact with the opposite side of the guide rail plate (11); the limiting piece is arranged at the bottom of the desk board (31).

2. The convertible desk structure of claim 1, wherein, The left and right sides of the guide rail plate (11) are fixedly provided with an ear plate (12), the front surface of the ear plate (12) is threadedly connected with a fixed screw penetrating to the back side of the ear plate (12).

3. The convertible desk structure of claim 1, wherein, The left and right sides of the positioning plate (21) are fixedly provided with a side plate (22), the front surface of the side plate (22) is threadedly connected with a limiting screw penetrating to the back side of the side plate (22).

4. The convertible desk structure of claim 1, wherein, The positioning groove (23) is a plurality of, and the plurality of positioning grooves (23) are sequentially and equidistantly provided on the front surface of the positioning plate (21) from top to bottom.

5. The convertible desk structure of claim 1, wherein, The top and bottom of the positioning nut (35) are fixedly provided with a handle, and the side of the positioning nut (35) close to the guide rail plate (11) is fixedly provided with a resistance increasing particle.

6. The convertible desk structure of claim 1, wherein, The limiting piece comprises a limiting block (36) fixedly arranged at the bottom of the desk board (31), the front surface of the limiting block (36) is threadedly connected with an adjusting screw rod (37) penetrating to the back side of the limiting block (36), and the back surface of the adjusting screw rod (37) is fixedly provided with a limiting rod (38) extending into the positioning groove (23).

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