Height-adjustable student desk

Abstract

The utility model discloses a height-adjustable student desk, which relates to the technical field of student desks and comprises a desk body, desk legs are arranged at the bottom of the desk body, non-slip mats are fixedly mounted on the side surfaces of the desk legs, a connecting rod is fixedly connected to the middle of the side surfaces of the desk legs, and a height adjusting mechanism is fixedly mounted at the top of the connecting rod. A table top widening mechanism is welded to the top of the height adjusting mechanism. The adjusting handle is arranged to be matched with the lead screw, the supporting plate is lifted, the table legs are driven to move up and down in the sliding grooves, the height of the table is adjusted, the shifting blocks are matched with the sliding rails, the positioning blocks are inserted into the positioning holes, a user can conveniently adjust the height of the table plate, the structure is stable, the convenience of the device is further improved, and the practicability is high. A first widening plate and a second widening plate are arranged to be matched with rubber iron, so that the width of the desktop is increased, a user can place more books and school supplies conveniently, and the practicability of the device is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of student desks, in particular to a height-adjustable student desk. Background Art

[0002] Desks and chairs are indispensable teaching facilities in the school teaching process, which enable students to attend classes more comfortably. The desks used by students started from the earliest square tables in the classroom. The tables used for studying in schools should be unified as desks.

[0003] The Chinese patent publication number is CN217547503U, an integrated student desk and chair with a footrest under the table. The technical solution provided by the patent document is: it includes a student desk and a student chair connected to the student desk and close to or far away from the student desk. The student desk includes a table foot, a table frame fixedly connected to the table foot, a book storage bucket installed between the two table frames, and a table top installed on the two table frames and the book storage bucket. The two table frames are connected with a footrest through a footrest support and a footrest connecting shaft. The footrest support is C-shaped and fixedly connected to the table frame. The footrest connecting shaft is placed on the footrest support. One end of the footrest is clamped on the footrest support, and the other end is clamped on the footrest connecting shaft.

[0004] In order to solve the problem that the height of traditional desks and chairs is fixed and cannot be adjusted, the existing technology adopts a height-adjustable desk and a height-adjustable seat. A footrest is connected under the desk, and the backrest is adjustable relative to the seat. However, it is still troublesome to adjust the height, and the table top is small, which leads to the problem that the height of the table is not convenient to adjust, and it is not easy to place more school supplies on the table top. Utility Model Content

[0005] The purpose of the utility model is to provide a height-adjustable student desk to solve the problems raised in the above-mentioned background technology.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] A height-adjustable student desk comprises a desk body, wherein table legs are arranged at the bottom of the desk body, anti-skid pads are fixedly installed on the sides of the table legs, and a connecting rod is fixedly connected to the middle of the side of the table legs.

[0008] A height adjustment mechanism is fixedly installed on the top of the connecting rod, and a desktop widening mechanism is welded on the top of the height adjustment mechanism.

[0009] The height adjustment mechanism comprises a table leg, which is fixedly mounted on the top of the table foot. A sliding groove is provided on the surface of the table leg. A shock-absorbing spring is fixedly mounted on the inner bottom end of the sliding groove. A support block is fixedly connected to the top of the shock-absorbing spring.

[0010] A further improvement of the technical solution of the utility model is that a spring base is fixedly installed at the bottom of the shock-absorbing spring, both ends of the connecting rod are fixedly connected to table legs, the spring base is used to install the shock-absorbing spring, and the shock-absorbing spring can reduce the pressure on the table legs.

[0011] A further improvement of the technical solution of the utility model is that a positioning hole is opened on the other side surface of the table leg, all lifting support plates are movably installed inside the sliding groove, a screw rod passes through the middle of the surface of the lifting support plate, and an adjusting handle is fixedly connected to the input end of the screw rod, and the adjusting handle drives the screw rod to make the lifting support plate slide in the sliding groove.

[0012] A further improvement of the technical solution of the utility model is that sliding blocks are provided at both ends of the lifting support plate, the bottom of the screw rod is connected to the surface of the connecting rod, the bottom surface of the connecting rod is provided with a screw rod base, the screw rod base is used to install the screw rod, and the connecting rod makes the table leg structure stable.

[0013] A further improvement of the technical solution of the utility model is that: slide rails are welded on both sides of the surface of the lifting support plate, a shift block is movably installed inside the slide rail, one end of the shift block is fixedly connected to a positioning block, and the shift block shifts the positioning block through the slide rail.

[0014] A further improvement of the technical solution of the utility model is that: the other end of the positioning block is fixedly connected to a supporting leg, the supporting leg is movably installed inside the sliding groove, the positioning block is adapted to the positioning hole, the supporting leg is lifted and lowered in the sliding groove by a lifting support plate, and the supporting leg is inserted into the corresponding positioning hole through the positioning block to adjust the height.

[0015] A further improvement of the technical solution of the utility model is that the desktop widening mechanism includes a table top, a first widening plate is movably installed on the top of the table top, a second widening plate is arranged on the right side of the first widening plate, and the connections between the first widening plate and the second widening plate and the table top are welded with rubber iron, and the first widening plate and the second widening plate can increase the width of the table top.

[0016] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0017] 1. The utility model provides a height-adjustable student desk. By setting an adjustment handle in conjunction with a screw rod, a lifting support plate is driven to move the table legs up and down in a sliding groove to adjust the height of the table. The shift block is then used in conjunction with a slide rail to insert the positioning block into the positioning hole, which facilitates users to adjust the height of the table board. The structure is stable, further improving the convenience of the device.

[0018] 2. The utility model provides a height-adjustable student desk, which reduces the weight borne by the supporting legs by arranging shock-absorbing springs in conjunction with support blocks, enhances the supporting force of the supporting legs, and ensures the stability of the device.

[0019] 3. The utility model provides a height-adjustable student desk. By arranging a first widening plate and a second widening plate in combination with rubber iron, the width of the desktop is increased, which facilitates users to place more books and school supplies, and further improves the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a front view structural schematic diagram of the utility model;

[0021] Figure 2 It is a side view structural schematic diagram of the utility model;

[0022] Figure 3 For this utility model Figure 2 A magnified view of the structure at center;

[0023] Figure 4 For this utility model Figure 2 A magnified view of the structure at B in the middle;

[0024] Figure 5 It is a cross-sectional structural schematic diagram of the desktop widening mechanism of the utility model.

[0025] In the figure: 1. table body; 11. table legs; 12. anti-slip pads; 13. connecting rods; 2. height adjustment mechanism; 21. table legs; 22. sliding grooves; 23. shock-absorbing springs; 24. support blocks; 25. positioning holes; 26. lifting support plates; 27. screw rods; 28. adjustment handles; 29. ​​slide rails; 210. shift blocks; 211. positioning blocks; 212. support legs; 3. table top widening mechanism; 31. table top; 32. first widening plate; 33. second widening plate. DETAILED DESCRIPTION

[0026] The present invention is further described in detail below in conjunction with the embodiments:

[0027] Example 1

[0028] like Figure 1-4As shown, the present embodiment provides a height-adjustable student desk, comprising a desk body 1, a desk leg 11 is arranged at the bottom of the desk body 1, a non-slip pad 12 is fixedly installed on the side of the desk leg 11, a connecting rod 13 is fixedly connected to the middle of the side of the desk leg 11, a height adjustment mechanism 2 is fixedly installed on the top of the connecting rod 13, a desktop widening mechanism 3 is welded on the top of the height adjustment mechanism 2, the height adjustment mechanism 2 comprises a desk leg 21, the desk leg 21 is fixedly installed on the top of the desk leg 11, a sliding groove 22 is opened on the surface of the desk leg 21, a shock-absorbing spring 23 is fixedly installed on the inner bottom end of the sliding groove 22, a support block 24 is fixedly connected to the top of the shock-absorbing spring 23, and a damping spring 23 is fixedly connected to the top of the damping spring 23. A spring base is fixedly installed at the bottom of the shock spring 23, and both ends of the connecting rod 13 are fixedly connected to the table leg 11. The spring base is used to install the shock absorbing spring 23, and the shock absorbing spring 23 can reduce the pressure on the table leg 11. A positioning hole 25 is opened on the other side surface of the table leg 21. All lifting support plates 26 are movably installed inside the sliding groove 22. A screw rod 27 runs through the middle of the surface of the lifting support plate 26. An adjusting handle 28 is fixedly connected to the input end of the screw rod 27. The adjusting handle 28 drives the screw rod 27 to make the lifting support plate 26 slide in the sliding groove 22. Slide blocks are set at both ends of the lifting support plate 26. The bottom of the screw rod 27 is connected to the connecting rod 13 The bottom surface of the connecting rod 13 is provided with a screw base, and the screw base is used to install the screw 27. The connecting rod 13 makes the structure of the table leg 11 stable. Slide rails 29 are welded on both sides of the surface of the lifting support plate 26. A shift block 210 is movably installed inside the slide rail 29. One end of the shift block 210 is fixedly connected with a positioning block 211. The shift block 210 shifts the positioning block 211 through the slide rail 29. The other end of the positioning block 211 is fixedly connected with a support leg 212. The support leg 212 is movably installed inside the sliding groove 22. The positioning block 211 is adapted to the positioning hole 25. The support leg 212 is lifted and lowered in the sliding groove 22 by the lifting support plate 26. The height of the table can be adjusted by inserting the support leg 212 into the corresponding positioning hole 25 through the positioning block 211. The adjustment handle 28 is provided to cooperate with the screw rod 27 to make the lifting support plate 26 drive the table leg 21 to move up and down in the sliding groove 22 to adjust the height of the table. The positioning block 211 is inserted into the positioning hole 25 in cooperation with the shift block 210 and the slide rail 29, which makes it convenient for users to adjust the height of the table top 31. The structure is stable, which further improves the convenience of the device. The shock-absorbing spring 23 is provided to cooperate with the support block 24 to reduce the weight borne by the support leg 212, enhance the supporting force of the support leg 212, and ensure the stability of the device.

[0029] Example 2

[0030] like Figure 5As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, the desktop widening mechanism 3 includes a desktop board 31, a first widening board 32 is movably installed on the top of the desktop board 31, and a second widening board 33 is arranged on the right side of the first widening board 32, and the first widening board 32 and the second widening board 33 are welded with rubber iron at the connection between the table board 31, and the first widening board 32 and the second widening board 33 can increase the width of the table board 31, and the shock-absorbing spring 23 cooperates with the support block 24 to reduce the weight borne by the support leg 212, enhance the supporting force of the support leg 212, and ensure the stability of the device, and by arranging the first widening board 32 and the second widening board 33 in cooperation with the rubber iron, the width of the desktop is increased, which is convenient for users to place more books and school supplies, and further improves the practicality of the device.

[0031] The working principle of the height-adjustable student desk is described in detail below.

[0032] like Figure 1-5 As shown, when in use, the user adjusts the handle 28 and the screw rod 27 to make the lifting support plate 26 drive the table leg 21 to move up and down in the sliding groove 22 to adjust the height of the table, and then cooperates with the shift block 210 and the slide rail 29 to insert the positioning block 211 into the positioning hole 25, which is convenient for the user to adjust the height of the table top 31, and the structure is stable, which further improves the convenience of the device. The shock-absorbing spring 23 cooperates with the support block 24 to reduce the weight borne by the support leg 212, enhance the supporting force of the support leg 212, and ensure the stability of the device. The first widening plate 32 and the second widening plate 33 cooperate with the rubber iron to increase the width of the desktop, which is convenient for users to place more books and school supplies, further improving the practicality of the device.

[0033] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A height-adjustable student desk, comprising a desk body (1), characterized in that: The bottom of the table body (1) is provided with a table leg (11), a non-slip pad (12) is fixedly installed on the side of the table leg (11), and a connecting rod (13) is fixedly connected to the middle of the side of the table leg (11); A height adjustment mechanism (2) is fixedly mounted on the top of the connecting rod (13), and a desktop widening mechanism (3) is welded to the top of the height adjustment mechanism (2); The height adjustment mechanism (2) comprises a table leg (21), wherein the table leg (21) is fixedly mounted on the top of the table foot (11), a sliding groove (22) is provided on the surface of the table leg (21), a shock absorbing spring (23) is fixedly mounted on the inner bottom end of the sliding groove (22), and a support block (24) is fixedly connected to the top of the shock absorbing spring (23).

2. A height-adjustable student desk according to claim 1, characterized in that: A spring base is fixedly mounted on the bottom of the shock absorbing spring (23), and both ends of the connecting rod (13) are fixedly connected to table legs (11).

3. A height-adjustable student desk according to claim 1, characterized in that: A positioning hole (25) is provided on the other side surface of the table leg (21); all lifting support plates (26) are movably mounted inside the sliding groove (22); a screw rod (27) passes through the middle of the surface of the lifting support plate (26); and an adjustment handle (28) is fixedly connected to the input end of the screw rod (27).

4. A height-adjustable student desk according to claim 3, characterized in that: Slide blocks are provided at both ends of the lifting support plate (26), the bottom of the screw rod (27) is connected to the surface of the connecting rod (13), and the bottom surface of the connecting rod (13) is provided with a screw rod base.

5. A height-adjustable student desk according to claim 4, characterized in that: Slide rails (29) are welded on both sides of the surface of the lifting support plate (26), a shifting block (210) is movably installed inside the slide rail (29), and a positioning block (211) is fixedly connected to one end of the shifting block (210).

6. A height-adjustable student desk according to claim 5, characterized in that: The other end of the positioning block (211) is fixedly connected to a supporting leg (212), and the supporting leg (212) is movably mounted inside the sliding groove (22). The positioning block (211) is adapted to the positioning hole (25).

7. A height-adjustable student desk according to claim 6, characterized in that: The desktop widening mechanism (3) comprises a table top (31), a first widening plate (32) is movably mounted on the top of the table top (31), a second widening plate (33) is arranged on the right side of the first widening plate (32), and the connection between the first widening plate (32) and the second widening plate (33) and the table top (31) is welded with rubber iron.

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