CN114680468B

CN114680468B - Hidden bookshelf student desk

Info

Publication number: CN114680468B
Application number: CN202210230213.8A
Authority: CN
Inventors: 吴云平
Original assignee: Hunan Senbo Education Equipment Co.,Ltd.
Current assignee: Hunan Senbo Education Equipment Co.,Ltd.
Priority date: 2022-03-10
Filing date: 2022-03-10
Publication date: 2025-05-06
Anticipated expiration: 2042-03-10
Also published as: CN114680468A

Abstract

The invention relates to a desk, in particular to a hidden bookshelf type student desk. The invention aims to provide a hidden bookshelf type student desk capable of adjusting the height. The invention provides a hidden bookshelf type student desk which comprises desk legs and an adjusting mechanism, wherein the upper parts of the desk legs on the left side and the right side are provided with the adjusting mechanism, four desk frames are arranged on the adjusting mechanism in a sliding mode at intervals, a fixed frame is arranged between the tops of the desk frames, a bookshelf is arranged on the rear side of the inside of the fixed frame, a bookshelf for placing a book for students is arranged on the rear side of the inside of the fixed frame, and a first desk plate is arranged on the front side of the top of the fixed frame and is used for facilitating the students to learn. According to the invention, the screw can be pulled out to the outside by unscrewing the nut, then the fixing frame can be moved up and down to drive the first table plate and the second table plate to move up and down, so that the heights of the first table plate and the second table plate can be adjusted, and then the bookshelf can be driven to move up by pulling the handle forwards, thereby facilitating students to store and fetch books.

Description

Hidden bookshelf type student desk

Technical Field

The invention relates to a desk, in particular to a hidden bookshelf type student desk.

Background

The existing desk has simple structure and function, books are more and more along with the rise of grades, students generally pile the books on the desk, and the desk occupies a lot of space and is inconvenient to find.

The patent application CN201088281, publication day 20080723, disclose a hidden bookshelf type student desk, including bookshelf apron, bookshelf, V type glass, tripe, table prop, table leg, desktop board, bounding wall etc. its characterized in that when using, through desktop bookshelf V type glass, can see required books, take out after lifting the lid to reach saving student and seek the data time, put back after using and lock, can reach keeping properly to books and data. The desk has the advantages of simple structure, novel style, convenient use and capability of placing sundries such as schoolbags, school supplies and the like. The books are placed conveniently in the patent, but the height of the desk plate cannot be adjusted, so that students of different ages and heights cannot use the books conveniently.

In view of the foregoing, there is a strong need for a hidden bookshelf type student desk with adjustable height to solve the above problems.

Disclosure of Invention

In order to overcome the defect that the height of a desk plate cannot be adjusted generally in the existing hidden bookshelf type student desk, the invention aims to provide the hidden bookshelf type student desk capable of adjusting the height.

The invention is realized by the following technical approaches:

a hidden bookshelf type student desk, comprising:

The upper parts of the table legs at the left side and the right side are provided with adjusting mechanisms;

The adjusting mechanism is provided with four desk frames in a sliding mode at intervals;

a fixed frame is arranged between the top parts of the table frames;

A bookshelf for students to place books is arranged at the rear side of the inner part of the fixing frame;

the first desk plate is arranged at the front side of the top of the fixed frame and is used for facilitating students to learn;

The upper part of the rear side of the fixed frame is rotatably provided with a first rotating shaft;

the first rotating shaft is provided with a first table plate which covers the top rear side of the fixed frame;

the bookshelf is provided with a fastening mechanism for pressing books;

The lifting mechanism is arranged at the rear part of the fixed frame and used for driving the bookshelf to move upwards;

And the fixing mechanism is arranged at the rear part of the fixing frame and used for limiting the lifting mechanism.

In a preferred embodiment of the present invention, the adjusting mechanism comprises:

the fixing sleeves are arranged on the front side and the rear side of the upper part of the table leg, and the table frames slide in the adjacent fixing sleeves;

the upper part of the fixing sleeve is provided with screws in a sliding manner, and the screws penetrate through the adjacent desk frames;

The screw cap is arranged on the inner side of the screw in a threaded manner.

In a preferred embodiment of the present invention, the fastening mechanism comprises:

eight first guide rods are arranged on the inner side of the bookshelf at intervals;

The lifting plates are arranged among the four first guide rods on the same side in a sliding manner and are symmetrically arranged left and right;

the first springs are wound on the first guide rods, and two ends of each first spring are connected with the lifting plate and the bookshelf respectively.

In a preferred embodiment of the present invention, the lifting mechanism comprises:

Racks are arranged in the middle of the lower parts of the left side and the right side of the bookshelf, are connected with the fixed frame in a sliding mode, and are connected with the adjacent desk frames in a sliding mode;

the middle parts of the left side and the right side inside the fixed frame are respectively provided with a second rotating shaft in a rotating way;

The inner sides of the first gears and the second rotating shafts are respectively provided with a first gear which is meshed with the adjacent racks;

The second gears are arranged on the outer sides of the second rotating shafts;

the middle parts of the left side and the right side of the fixed frame are respectively provided with a toothed frame in a sliding mode, and the toothed frames are respectively meshed with the adjacent second gears;

The handles are arranged at the rear parts of the outer sides of the tooth frames and are connected with the fixed frames in a sliding mode.

In a preferred embodiment of the present invention, the fixing mechanism comprises:

the middle parts of the left side and the right side of the lower side of the inside of the fixed frame are respectively provided with a limiting shell;

the limiting shell is internally provided with two second guide rods;

the clamping blocks are arranged between the two second guide rods on the same side in a sliding mode, and are contacted with the adjacent tooth frames;

And the lower part of the second guide rod is wound with the second spring, and two ends of the second spring are respectively connected with the clamping block and the limiting shell.

In a preferred embodiment of the present invention, the book protection device further comprises a protection mechanism for protecting the book, wherein the protection mechanism comprises:

The front parts of the left side and the right side of the fixed frame are respectively provided with a blocking block in a sliding mode, and the tooth frame moves forwards and contacts with the blocking blocks;

The lower back side of the first desk plate is rotatably provided with a protective plate, the protective plate blocks the front side of the bookshelf, and the blocking blocks block the front side of the protective plate;

torsion springs are arranged between the left side and the right side of the protection plate and the first table plate.

In a preferred embodiment of the present invention, the present invention further comprises a moving mechanism, wherein the moving mechanism comprises:

Wheel shafts are slidably arranged on the front side and the rear side of the lower side of the inner part of the table leg;

The wheel shafts are respectively provided with a movable wheel in a rotary manner;

The front side and the rear side of the bottom of the desk leg are respectively provided with an anti-slip pad;

The pushing blocks are slidably arranged on the front side and the rear side of the lower portion of the desk leg, and can be contacted with the wheel shaft when moving inwards.

In a preferred embodiment of the invention, the rear sides of the lower parts of the tooth frames are provided with grooves.

Compared with the prior art, the invention has the following advantages:

1. According to the invention, the screw can be pulled out to the outside by unscrewing the nut, then the fixing frame can be moved up and down to drive the first table plate and the second table plate to move up and down, so that the heights of the first table plate and the second table plate can be adjusted, and then the bookshelf can be driven to move up by pulling the handle forwards, thereby facilitating students to store and fetch books.

2. The protective plate can block the front side of the bookshelf, so that a pen point can be prevented from being coated on a book in a mess manner.

3. According to the invention, the pushing block is moved inwards, so that the moving wheel can be driven to move downwards to contact with the ground, and the moving wheel can roll on the ground, thereby facilitating the movement of the desk by students.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of a first part of the present invention.

Fig. 3 is a schematic perspective view of a second part of the present invention.

Fig. 4 is a schematic perspective view of the fastening mechanism of the present invention.

Fig. 5 is an enlarged view of section a of the present invention.

Fig. 6 is a schematic perspective view of the lifting mechanism of the present invention.

Fig. 7 is a schematic view of a partially cut-away structure of the present invention.

Fig. 8 is an enlarged view of section B of the present invention.

Fig. 9 is a schematic perspective view of the protection mechanism of the present invention.

Fig. 10 is an enlarged view of section C of the present invention.

Fig. 11 is a schematic perspective view of an adjusting mechanism according to the present invention.

Fig. 12 is a schematic perspective view of a moving mechanism according to the present invention.

The components in the drawing are marked by 101, table legs, 102, a table frame, 103, a fixed frame, 104, a bookshelf, 105, a first table, 106, a second table, 107, a first rotating shaft, 1, a fastening mechanism, 11, a lifting plate, 12, a first guide rod, 13, a first spring, 2, a lifting mechanism, 21, a rack, 22, a first gear, 23, a second gear, 24, a second rotating shaft, 25, a toothed frame, 26, a handle, 3, a fixed mechanism, 31, a limiting shell, 32, a second guide rod, 33, a second spring, 34, a clamping block, 4, a protection mechanism, 41, a blocking block, 42, a protection plate, 43, a torsion spring, 5, an adjusting mechanism, 51, a fixed sleeve, 52, a screw, 53, a nut, 6, a moving mechanism, 61, a moving wheel, 62, a wheel axle, 63, a non-slip pad, 64 and a pushing block.

Detailed Description

The objects, technical solutions and advantages of the present invention will become more apparent by the following detailed description of the present invention with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the invention. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present invention.

Example 1

A hidden bookshelf type student desk, refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8 and fig. 11, and comprises desk legs 101, a desk frame 102, a fixing frame 103, a bookshelf 104, a first desk plate 105, a second desk plate 106, a first rotating shaft 107, a fastening mechanism 1, a lifting mechanism 2, a fixing mechanism 3 and an adjusting mechanism 5, wherein the upper parts of the desk legs 101 at the left side and the right side are provided with the adjusting mechanism 5, four desk frames 102 are arranged on the adjusting mechanism 5 in a sliding mode at intervals, a fixing frame 103 is welded between the tops of the desk frames 102, a bookshelf 104 is arranged at the rear side inside the fixing frame 103, students can put books into the bookshelf 104, a first desk plate 105 is arranged at the front side of the top of the fixing frame 103, students can learn at the top of the first desk plate 105, the upper part of the rear side of the fixing frame 103 is rotatably provided with a first rotating shaft 107, the second desk plate 106 covers the rear side of the fixing frame 103, the fastening mechanism 1 is arranged on the top of the fixing frame 104, the rear side of the fixing frame 2 is provided with the lifting mechanism 2, the rear part of the fixing mechanism 3 is arranged at the rear part of the fixing frame 103.

Referring to fig. 1 and 11, the adjusting mechanism 5 includes a fixing sleeve 51, screws 52 and nuts 53, the front and rear sides of the upper portion of the table leg 101 are welded with the fixing sleeve 51, the table frame 102 slides in the adjacent fixing sleeve 51, the screws 52 are slidably disposed on the upper portion of the fixing sleeve 51, the screws 52 penetrate through the adjacent table frame 102, after the screws 52 are taken out from the outer side by students, the fixing frame 103 can be moved up and down, the first table 105 and the second table 106 are driven to move up and down, so that the heights of the first table 105 and the second table 106 can be adjusted, and the nuts 53 are disposed on the inner side of the screws 52 in a threaded manner.

Referring to fig. 2, 4 and 5, the fastening mechanism 1 comprises a lifting plate 11, first guide rods 12 and first springs 13, eight first guide rods 12 are welded at intervals on the inner side of the bookshelf 104, the lifting plate 11 is arranged between the four first guide rods 12 on the same side in a sliding mode, the lifting plate 11 is symmetrically arranged left and right, after a student places a book in the bookshelf 104, the lifting plate 11 can clamp the book, the first springs 13 are wound on the first guide rods 12, and two ends of each first spring 13 are respectively connected with the lifting plate 11 and the bookshelf 104.

Referring to fig. 1 and 6, the lifting mechanism 2 includes a rack 21, a first gear 22, a second gear 23, a second rotating shaft 24, a toothed frame 25 and a handle 26, the rack 21 is welded in the middle of the lower portions of the left side and the right side of the bookshelf 104, the rack 21 is slidably connected with the fixed frame 103, the rack 21 is slidably connected with the adjacent table frame 102, the second rotating shaft 24 is rotatably arranged in the middle of the left side and the right side of the inside of the fixed frame 103, the first gear 22 is engaged with the adjacent rack 21, when the first gear 22 rotates, the rack 21 can be driven to move upwards, so that the bookshelf 104 can be driven to move upwards, the second gear 23 is arranged on the outer side of the second rotating shaft 24, the toothed frame 25 is slidably arranged in the middle of the left side and the right side of the fixed frame 103, the toothed frame 25 is slidably connected with the adjacent second gear 23, a groove is formed in the rear side of the lower portion of the toothed frame 25, the handle 26 is arranged at the rear portion of the outer side of the toothed frame 25, and the handle 26 is slidably connected with the fixed frame 103.

Referring to fig. 1, 7 and 8, the fixing mechanism 3 includes a limiting shell 31, a second guide rod 32, a second spring 33 and a clamping block 34, the middle parts of the left and right sides of the lower side of the inside of the fixing frame 103 are welded with the limiting shell 31, two second guide rods 32 are welded in the limiting shell 31, the clamping blocks 34 are slidably arranged between the two second guide rods 32 on the same side, the clamping blocks 34 are in contact with the adjacent toothed frames 25, the toothed frames 25 can be clamped by upward movement of the clamping blocks 34, the lower parts of the second guide rods 32 are wound with the second springs 33, and two ends of the second springs 33 are connected with the clamping blocks 34 and the limiting shell 31 respectively.

Initially, the second spring 33 is in a compressed state, when a student needs to use the desk, the desk is firstly placed at a designated position, then the screw cap 53 is rotated, the screw cap 53 moves inwards to be separated from the screw 52, then the screw 52 is pulled outwards to be pulled out, so that the screw 52 is separated from the desk frame 102, then the fixing frame 103 can be moved up and down to drive the desk frame 102, the first desk plate 105 and the second desk plate 106 to move up and down, when the first desk plate 105 and the second desk plate 106 move to a proper height, the fixing frame 103 is stopped, the screw 52 is put back to the original position, the screw 52 penetrates through the adjacent desk frame 102, the screw cap 53 is reversely reset, so that the position of the fixing frame 103 can be stabilized, the height of the first desk plate 105 and the second desk plate 106 can be fixed, then the student can pull the handle 26 forwards to drive the tooth frame 25 to move forwards, the tooth frame 25 drives the second gear 23 to rotate, thereby driving the second rotating shaft 24 to rotate, the second rotating shaft 24 drives the first gear 22 to rotate, the first gear 22 drives the rack 21 to move upwards, so that the bookshelf 104 can be driven to move upwards, the bookshelf 104 can press the second desk plate 106 to rotate upwards for opening, when the clamping block 34 is aligned with the groove, the second spring 33 restores to the original shape, the clamping block 34 is driven to move upwards, the clamping block 34 clamps the toothed frame 25, then the handle 26 can be loosened, then the lifting plate 11 is pressed downwards, the first spring 13 stretches, books are orderly placed in the bookshelf 104, the book at the lowest side can press the lifting plate 11, students can learn on the first desk plate 105 at the moment, the books can also be placed in the fixed frame 103 at the moment, when the students need to take out the books, the books can be directly pulled forwards, at the moment, the first spring 13 can restore to the original shape slightly, the lifting plate 11 is driven to slightly move upwards for resetting, therefore, other books can be pressed, when people need to put the books back to the bookshelf 104, the lifting plate 11 is pressed downwards again, the first spring 13 stretches again, the lifting plate 11 is enabled to loosen the books, then the books can be put back to the bookshelf 104, the lifting plate 11 is enabled to be loosened again, under the elastic force of the first spring 13, the lifting plate 11 can compress the books again, when the students do not need to use the desk, the schoolbag is taken out, then the clamping block 34 is pressed downwards, the second spring 33 compresses, the clamping block 34 is enabled to loosen the toothed frame 25, at the moment, under the action of gravity, the bookshelf 104 can move downwards to reset, the rack 21 is driven to move downwards to reset, the rack 21 drives the first gear 22 to rotate reversely, the second rotating shaft 24 and the second gear 23 are driven to rotate backwards to reset, at the moment, the toothed frame 25 can block the top of the clamping block 34, then the second table 106 is rotated forwards to be closed, when the students pull the clamping block 26 forwards again, the students can drive the bookshelf 104 to move upwards, and the students can conveniently take out all the books, and the first spring 13 can completely reset after the books are completely taken out.

Example 2

On the basis of embodiment 1, referring to fig. 1, 9 and 10, the book shelf further comprises a protection mechanism 4, the protection mechanism 4 comprises a blocking piece 41, a protection board 42 and a torsion spring 43, the front parts of the left side and the right side of the fixed frame 103 are respectively provided with the blocking piece 41 in a sliding mode, the tooth frame 25 moves forwards to be contacted with the blocking piece 41, the protection board 42 is rotatably arranged on the rear side of the lower part of the first table plate 105, the protection board 42 blocks the front side of the bookshelf 104, the blocking piece 41 blocks the front side of the protection board 42, therefore books can be protected, and the torsion spring 43 is respectively arranged between the left side and the right side of the protection board 42 and the first table plate 105.

At first, torsional spring 43 is in deformation state, protection shield 42 blocks bookshelf 104 front side, when the student put the pen in fixed frame 103, can avoid the nib to scribble the messy picture in the books, when the tooth frame 25 moves forward, bookshelf 104 can move upwards, when tooth frame 25 and stop piece 41 contact, can extrude stop piece 41 and move outwards, make stop piece 41 no longer block protection shield 42, torsional spring 43 resumes the original form, drive protection shield 42 and rotate upwards and open, the student can put the schoolbag in fixed frame 103 this moment, when tooth frame 25 moves backward and resets, can separate with stop piece 41, bookshelf 104 can move down and reset, at this moment the student can rotate down protection shield 42 and close, torsional spring 43 takes place the deformation, make protection shield 42 block bookshelf 104 front side again, then push the stopper 41 inwards and reset, make stop piece 41 block the protection shield 42 front side again can.

Referring to fig. 1 and 12, the desk further comprises a moving mechanism 6, the moving mechanism 6 comprises a moving wheel 61, an axle 62, anti-slip pads 63 and a pushing block 64, the front side and the rear side of the lower portion of the inner portion of the desk leg 101 are respectively provided with the axle 62 in a sliding mode, the axle 62 is respectively provided with the moving wheel 61 in a rotating mode, the moving wheel 61 can contact with the ground, therefore, the desk can roll on the ground, students can conveniently move the desk, the anti-slip pads 63 are respectively arranged on the front side and the rear side of the bottom of the desk leg 101, the pushing block 64 is respectively arranged on the front side and the rear side of the lower portion of the desk leg 101 in a sliding mode, and the pushing block 64 can contact with the axle 62 when moving inwards.

When the desk is placed at a designated position, the anti-slip pad 63 can play a role in preventing the desk from being optionally moved, when a student needs to move the desk, the desk is lifted slightly, then the pushing block 64 is pushed inwards, the pushing block 64 can squeeze the wheel shaft 62 to move downwards to drive the moving wheel 61 to move downwards, at the moment, the pushing block 64 can block the top of the wheel shaft 62, then the desk is put down, the moving wheel 61 is enabled to be in contact with the ground, then the desk can be pushed to move, the moving wheel 61 can roll on the ground, after the desk is moved to a proper position, the pushing block 64 is moved outwards to reset, so that the pushing block 64 does not block the top of the wheel shaft 62 any more, at the moment, under the action of gravity, the whole desk moves downwards, so that the wheel shaft 62 and the moving wheel 61 move upwards to reset relative to the desk leg 101, and the anti-slip pad 63 is enabled to be in contact with the ground again.

It should be understood that this example is only illustrative of the application and is not intended to limit the scope of the application. Furthermore, it should be understood that various changes and modifications can be made by one skilled in the art after reading the teachings of the present application, and such equivalents are intended to fall within the scope of the application as defined in the appended claims.

Claims

1. The hidden bookshelf type student desk is characterized by comprising:

the table legs (101) and the adjusting mechanisms (5), wherein the adjusting mechanisms (5) are arranged at the upper parts of the table legs (101) at the left side and the right side;

The table frames (102) are arranged on the adjusting mechanism (5) at intervals in a sliding manner, and four table frames (102) are arranged on the adjusting mechanism;

A fixed frame (103), wherein the fixed frame (103) is arranged between the tops of the desk frames (102);

A bookshelf (104), wherein the bookshelf (104) for placing books by students is arranged at the rear side of the inside of the fixed frame (103);

The first table plate (105) is arranged at the front side of the top of the fixed frame (103), and the first table plate (105) is used for facilitating students to learn;

a first rotating shaft (107), wherein the upper part of the rear side of the fixed frame (103) is rotatably provided with the first rotating shaft (107);

the second table plate (106) is arranged on the first rotating shaft (107), the second table plate (106) covers the rear side of the top of the fixed frame (103);

The bookshelf (104) is provided with a fastening mechanism (1) for pressing books;

The lifting mechanism (2) is arranged at the rear part of the fixed frame (103) and is used for driving the bookshelf (104) to move upwards;

The fixing mechanism (3) is arranged at the rear part of the fixing frame (103), and the fixing mechanism (3) is used for limiting the lifting mechanism (2);

the fastening mechanism (1) comprises:

Eight first guide rods (12) are arranged at intervals on the inner side of the bookshelf (104);

The lifting plates (11) are arranged among the four first guide rods (12) on the same side in a sliding mode, and the lifting plates (11) are symmetrically arranged left and right;

The first springs (13) are wound on the first guide rods (12), and two ends of each first spring (13) are respectively connected with the lifting plate (11) and the bookshelf (104);

the lifting mechanism (2) comprises:

The rack (21) is arranged in the middle of the lower parts of the left side and the right side of the bookshelf (104), the rack (21) is connected with the fixed frame (103) in a sliding mode, and the rack (21) is connected with the adjacent desk frame (102) in a sliding mode;

The second rotating shafts (24) are rotatably arranged in the middle parts of the left side and the right side of the inside of the fixed frame (103);

The first gears (22) are arranged on the inner sides of the second rotating shafts (24), and the first gears (22) are meshed with adjacent racks (21);

the second gears (23) are arranged on the outer sides of the second rotating shafts (24);

The middle parts of the left side and the right side of the fixed frame (103) are respectively provided with a tooth frame (25) in a sliding manner, and the tooth frames (25) are respectively meshed with the adjacent second gears (23);

The handle (26) is arranged at the rear part of the outer side of the tooth frame (25), and the handle (26) is connected with the fixed frame (103) in a sliding way;

The fixing mechanism (3) comprises:

The limiting shells (31) are arranged in the middle of the left side and the right side of the lower side of the inside of the fixed frame (103);

The second guide rods (32) are arranged in the limiting shell (31), and two second guide rods (32) are arranged in the limiting shell;

The clamping blocks (34) are arranged between the two second guide rods (32) on the same side in a sliding mode, and the clamping blocks (34) are contacted with the adjacent tooth frames (25);

The second springs (33) are wound on the lower parts of the second guide rods (32), and two ends of each second spring (33) are respectively connected with the clamping blocks (34) and the limiting shell (31);

the book protection device also comprises a protection mechanism (4) for protecting books, wherein the protection mechanism (4) comprises:

The front parts of the left side and the right side of the fixed frame (103) are respectively provided with a blocking block (41) in a sliding manner, and the tooth frame (25) moves forwards and contacts with the blocking blocks (41);

the protection board (42), the lower part rear side of the first desk board (105) is rotatably provided with the protection board (42), the protection board (42) blocks the front side of the bookshelf (104), and the blocking blocks (41) block the front side of the protection board (42);

Torsion springs (43), and the torsion springs (43) are arranged between the left side and the right side of the protection plate (42) and the first table plate (105).

2. A hidden bookshelf student desk as claimed in claim 1, characterized in that the adjusting means (5) comprises:

The fixing sleeves (51) are arranged on the front side and the rear side of the upper part of the table leg (101), the table frames (102) slide in the adjacent fixing sleeves (51);

the screws (52) are arranged on the upper parts of the fixed sleeves (51) in a sliding mode, and the screws (52) penetrate through the adjacent desk frames (102);

the screw cap (53) is arranged on the inner side of the screw (52) in a threaded manner.

3. A hidden bookshelf student desk as claimed in claim 2, further comprising a movement mechanism (6), the movement mechanism (6) comprising:

the wheel shafts (62) are slidably arranged on the front side and the rear side of the lower side of the inner part of the table leg (101);

the wheel shafts (62) are respectively provided with a moving wheel (61) in a rotating way;

The anti-slip pads (63) are arranged on the front side and the rear side of the bottom of the desk leg (101);

The pushing block (64) is arranged on the front side and the rear side of the lower portion of the table leg (101) in a sliding mode, and the pushing block (64) can be contacted with the wheel shaft (62) when moving inwards.

4. A hidden bookshelf student desk as claimed in claim 3, characterized in that the rear sides of the lower parts of the tooth frames (25) are each provided with a recess.