Multifunctional computer desk

By designing a multi-functional computer desk, which combines a desk, a lifting desk frame, a ladder-type book bucket and a folding reading rack, the problem of existing desk products being unable to adapt to electronic teaching and learning methods is solved, and multi-functional audio-visual reading is achieved. Writing space is suitable for learning needs in different scenarios.

CN222367313UActive Publication Date: 2025-01-21戴震东
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Patent Information

Application Number
CN202420878001.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-25
Publication Date
2025-01-21
Estimated Expiration
2034-04-25

AI Technical Summary

Technical Problem

The existing living room desk products have not adapted to electronic teaching and learning methods, and cannot effectively solve the problem of audio-visual reading and writing space that requires the use of textbooks, paper notes and electronic devices at the same time during learning.

Method used

A multifunctional computer desk is designed, which includes a desk, a lifting desk frame, a stepped book bucket and a folding reading shelf. Through the combination of these components, it can meet the needs of different scenes in different states.

Benefits of technology

It has realized a multi-functional space that can use textbooks, paper notes and electronic devices at the same time when studying. It is suitable for electronic teaching and multi-purpose reading, improving the flexibility and efficiency of learning and teaching.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a multifunctional computer desk which comprises a desk table, a lifting desk frame, a stepped book chamber and a folding reading frame. The table comprises a table top, a movable writing case, a movable side plate and table legs; the multifunctional computer desk can be used in four states. In the first state, the folding reading frame is folded, and only the table top can be used at the moment; in the second state, the whole folding type reading frame is overturned upwards, the upper vertical frame is overturned, the book supporting frame is fixed to the hook of the table top, writing and recording can be conducted on the table top, and books or flat plates can be placed on the reading plate and the book supporting frame; in the third state, the upper vertical frame is turned upwards to be in the same plane with the lower vertical frame and fixed, the heat dissipation plate is turned and fixed to the hook, writing and recording are carried out on the desktop, a notebook computer is placed on the heat dissipation plate, and books or flat plates are placed on the upper vertical frame and the upper book supporting plate. In the fourth state, the upper vertical frame is turned upwards and located on the same vertical plane with the lower vertical frame and the heat dissipation plate, books are placed on the upper book supporting plate, a flat plate is placed in front of the heat dissipation plate, and writing is conducted on the desktop. The four states can be suitable for four different application scenes.
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Description

Technical Field

[0001] The invention relates to a multifunctional computer desk and belongs to the technical field of mechanical manufacturing. Background Art

[0002] There are various desk products used in the living room at present, with various types and styles, but the design concept is still mainly for writing and reading, and the main functions are desktop lifting and tilting. There is no desktop moving function and multi-purpose reading rack. The audio-visual reading and writing space is relatively narrow, and it has not taken into account that the current learning method has been upgraded to electronic. Teachers teach online through tablets and laptops, and display electronic courseware such as PPT during class. But at the same time, paper textbooks and paper notes are still in use, so the current teaching scene is electronic, and the learning scene learning method is a combination of electronic and paper. The living desk products on the market have not developed new adaptive functions for the above situation. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a multifunctional computer desk to solve the problem of audio-visual reading and writing space that requires the use of textbooks, paper notes, and a tablet or laptop computer at the same time during study.

[0004] The technical solution adopted to solve the above technical problems is: a multifunctional computer desk, including a table, a lifting table frame, a ladder-type bookcase, and a folding reading rack; the table includes a desktop, a movable pencil case, a movable side panel and table legs;

[0005] The left and right sides of the desktop are respectively provided with movable side panels; the front lower end and the rear lower end of the movable side panels are respectively provided with round tube columns, a plurality of round tube column positioning holes are opened on the round tube columns, and table legs with table leg spring positioning pins are also provided, the round tube columns are inserted into the table legs, the table leg spring positioning pins pop out from the round tube column positioning holes, and the table legs are fixed in the round tube columns; universal wheels are installed at the bottom of the table legs; the middle section of the front end of the desktop is processed into a concave edge, and a movable pencil case is installed at the concave edge; the middle section of the rear end of the desktop is processed into an inclined surface, and there are two forward curved hooks on the inclined surface;

[0006] The lifting table frame is composed of an upper crossbeam, an upper longitudinal beam, a front middle longitudinal beam, a rear middle longitudinal beam, a square tube column, a table frame foot, and a table frame foot base; upper longitudinal beams that intersect with the upper crossbeam in the horizontal direction are welded at both ends of the upper crossbeam, and two square tube columns with multiple square tube column positioning holes are welded under each upper longitudinal beam, and a horizontally arranged front middle longitudinal beam and a rear middle longitudinal beam are welded in the middle of the square tube column; an upper slide rail is installed between the upper longitudinal beam and the movable side panel, and a lower slide rail is installed between the front middle longitudinal beam, the rear middle longitudinal beam and the movable side panel; universal wheels are installed under the table frame foot base, and table frame feet with table frame foot spring positioning pins are welded on the upper sides of both sides of the table frame foot base, and the square tube column is inserted into the table frame foot, and the table frame foot spring positioning pin pops out from the square tube column positioning hole to fix the table frame foot in the square tube column; the stepped bookcase is installed between the upper crossbeam, the middle crossbeam and the lower crossbeam, and fixed on the inner side of the upper crossbeam and the upper longitudinal beam;

[0007] The foldable reading rack includes a lower vertical frame, an upper vertical frame, an upper horizontal frame, and a supporting bookshelf, all of which are rectangular; a fixed beam is welded on the upper horizontal beam, the lower vertical frame is arranged on the side of the fixed beam facing the table, and is movably connected to the fixed beam through two first hinges; the upper vertical frame is arranged above the lower vertical frame, a supporting bookshelf is arranged on the top of the upper vertical frame, and an upper horizontal frame is arranged at the bottom of the upper vertical frame, the upper vertical frame, the upper horizontal frame, and the supporting bookshelf are welded into a Z-shaped structure, and the upper horizontal frame is movably connected to the lower vertical frame by welding four second hinges; two first book clamping shrapnels are arranged on the supporting bookshelf;

[0008] The foldable reading rack also includes a lower book supporting plate and a heat dissipation plate; the lower book supporting plate is vertically fixed on the side of the bottom end of the lower vertical frame facing the table, and two second book clamping springs are arranged on the lower book supporting plate; the heat dissipation plate is arranged above the lower book supporting plate, and the heat dissipation plate is movably connected to the lower vertical frame through two third hinges, and a fixing hole matching the bent hook is arranged at the front end of the heat dissipation plate.

[0009] The foldable reading frame also includes an upper book supporting board and a reading board; the upper book supporting board is arranged above the upper horizontal frame, and the upper book supporting board is movably connected to the upper vertical frame through an upper book supporting board sleeve, and two third book clamping springs are arranged on the upper book supporting board; the reading board is located on the upper vertical frame and is connected to the upper vertical frame through the reading board sleeve; an upper fixed sleeve is arranged on both sides of the bottom end of the upper vertical frame, and a fixed pin is arranged in the upper fixed sleeve, and the fixed pin is a U-shaped metal rod that is bent 90° twice and is divided into a long leg end and a short leg end; the long leg end passes through the upper fixed sleeve, and the end of the long leg end is connected to the limit head, and the part of the long leg end located between the limit head and the upper fixed sleeve is covered with a spring; lower fixed sleeves are arranged on both sides of the top end of the lower vertical frame, and the short leg end of the fixed pin can be inserted into the lower fixed sleeve.

[0010] There are heat dissipation holes on the heat sink.

[0011] The height of the fixed beam is smaller than the distance from the desktop to the upper beam.

[0012] The multifunctional computer desk proposed in the present invention is provided with a foldable reading frame, which includes a lower vertical frame, an upper vertical frame, an upper horizontal frame, a bookshelf, an upper book supporting board, a lower book supporting board, a reading board, and a heat dissipation plate; it can be transformed into four different usage states according to different usage scenarios. They are state one, the foldable reading stand is folded and put away, at this time only the desktop is available, and only homework or notes can be written; state two, the foldable reading stand is flipped upward as a whole, the reading board is unfolded, and the bookshelf is temporarily fixed on the hook of the desktop, and books or tablets can be placed on the reading board and the bookshelf for reading, and homework or notes can be written on the desktop; state three, the upper vertical frame is flipped upward to form the same vertical plane as the lower vertical frame and fixed, and the flip heat sink is temporarily fixed on the hook of the desktop, so that books or tablets can be placed on the reading board and the upper book support board on the upper vertical frame, and a laptop computer can be placed on the heat sink, and homework or notes can be written on the desktop; state four, the upper vertical frame is flipped upward to form the same vertical plane as the lower vertical frame and the heat sink, and books can be placed on the reading board and the upper book support board on the upper vertical frame, and a tablet computer can be placed on the heat sink in front of the lower vertical frame, and homework or notes can be written on the desktop. The four states of the present invention can be applied to four different application scenarios. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the present invention in use;

[0014] Figure 2 This is a schematic diagram of the second use state of the present invention;

[0015] Figure 3 This is a schematic diagram of the third use state of the present invention;

[0016] Figure 4 This is a schematic diagram of the fourth use state of the present invention;

[0017] Figure 5 This is an enlarged view of local A.

[0018] Description of the accompanying figures: movable side panel 1, desktop 2, movable pencil case 3, round tube column 4, round tube column positioning hole 5, table foot 6, table foot spring positioning pin 7, universal wheel 8, stepped bookcase 9, upper longitudinal beam 10, upper fixed sleeve 11, lower fixed sleeve 12, square tube column 13, table frame foot base 14, upper slide rail 15, lower slide rail 16, table frame foot spring positioning pin 17, table frame foot 18, square tube column positioning hole 19, lower vertical frame 20, lower Book support board 21, upper vertical frame 22, upper horizontal frame 23, book support frame 24, heat sink 25, upper book support board 26, reading board 27, fixed beam 28, first hinge 29, second hinge 30, first book clamping shrapnel 31, spring latch 32, hook 33, upper longitudinal beam positioning hole 34, second book clamping shrapnel 35, third hinge 36, upper book support board sleeve 37, third book clamping shrapnel 38, reading board sleeve 39, U-shaped frame 40, fixed latch 41. DETAILED DESCRIPTION

[0019] A multifunctional computer desk comprises a table, a lifting table frame, a stepped bookcase, and a folding reading frame; the folding reading frame comprises a lower vertical frame, an upper vertical frame, an upper horizontal frame, a supporting book frame, an upper supporting book board, a lower supporting book board, a reading board, and a heat dissipation plate.

[0020] like Figure 1-4 As shown, the table includes a desktop, a movable pencil case, a movable side panel and a table foot; the movable side panel 1 has two pieces, which are respectively installed on the left and right sides of the desktop 2 by screws. The front lower end and the rear lower end of the movable side panel 1 are respectively fixed with a vertical circular tube column 4 by screws, and the circular tube column 4 is provided with a plurality of circular tube column positioning holes 5, and a cylindrical table foot 6 is also provided, and the table foot 6 is provided with a table foot spring positioning pin 7. The circular tube column 4 is inserted into the table foot 6, and the table foot spring positioning pin 7 pops out from the circular tube column positioning hole 5 to fix the table foot 6 in the circular tube column 4. A universal wheel 8 is installed at the bottom of the table foot 6. A concave edge is provided at the front end of the desktop 2, and a movable pencil case 3 is provided at the concave edge. The movable pencil case 3 is installed at the bottom of the desktop 2 through two pencil case slide rails on both sides, and the movable pencil case 3 can move horizontally to the rear of the desktop 2.

[0021] like Figure 2 , 3 As shown, the lifting table frame is composed of an upper crossbeam, a middle crossbeam, a lower crossbeam, an upper longitudinal beam 10, a front middle longitudinal beam, a rear middle longitudinal beam, a square tube column 13, a table frame foot, and a table frame foot base 14. The upper longitudinal beams 10 intersecting the upper crossbeam in the horizontal direction are welded to both ends of the upper crossbeam, and two vertical square tube columns 13 are welded below each upper longitudinal beam 10. The square tube columns 13 are provided with a plurality of square tube column positioning holes 19. A horizontally arranged rear middle longitudinal beam is welded to the middle of the two square tube columns 13, and a front middle longitudinal beam in a straight line with the rear middle longitudinal beam is welded to the front square tube column 13. An upper slide rail 15 is installed between the upper longitudinal beam 10 and the movable side panel 1, and a lower slide rail 16 is installed between the front middle longitudinal beam, the rear middle longitudinal beam and the movable side panel 1. A universal wheel 8 is installed below the table frame foot base 14, and two square table frame feet 18 are welded above both sides of the table frame foot base 14. Table frame foot spring positioning pins 17 are installed on the table frame feet 18. The square tube column 13 is inserted into the table frame feet 18, and the table frame foot spring positioning pins 17 pop out from the square tube column positioning holes 19 to fix the table frame feet 18 in the square tube column 13. The stepped book bucket 9 is installed between the upper crossbeam, the middle crossbeam and the lower crossbeam, and fixed to the inner side of the upper crossbeam and the upper longitudinal beam 10.

[0022] like Figure 2-4 As shown, the foldable reading frame includes a lower vertical frame 20, an upper vertical frame 22, an upper horizontal frame 23, a book support frame 24, an upper book support board 26, a lower book support board 21, a heat dissipation plate 25, and a reading board 27, all of which are rectangular.

[0023] like Figure 2, 3 As shown, a fixed beam 28 is welded to the upper crossbeam, and the height of the fixed beam 28 is less than the distance from the table top 2 to the upper crossbeam; two first hinges 29 are welded to the side of the fixed beam 28 facing the table, and the lower end of the lower vertical frame 20 is welded to the leaves of the two first hinges 29, so that the lower vertical frame 20 is movably connected to the fixed beam 28, and the lower vertical frame 20 can rotate with the fixed beam 28 as the axis through the first hinges 29.

[0024] As shown in Figures 2-4, the upper vertical frame 22 is arranged above the lower vertical frame 20, and the upper vertical frame 22, the upper horizontal frame 23 and the supporting bookshelf 24 are connected as a whole by welding to form a Z-shaped structure. The lower side of the upper vertical frame 22 is vertically connected to the upper horizontal frame 23 facing the table, and the upper side of the upper vertical frame 22 is vertically connected to the supporting bookshelf facing away from the table; one side of the upper horizontal frame 23 is welded to the side of the bottom end of the upper vertical frame 22 facing the table, and the other side is movably connected to the lower vertical frame 20 through four second hinges 30. The second hinges 30 are arranged on the side of the upper horizontal frame 23 and the lower vertical frame 20 facing away from the table. The upper vertical frame 22 and the upper horizontal frame 23 can rotate around the top of the lower vertical frame 20 as the axis through the second hinges 30.

[0025] As shown in Figures 2-4, the bookshelf 24 is two left and right rectangles located in the same plane, and the two rectangles are welded and fixed with a metal rod. The bookshelf 24 is vertically welded to the upper vertical frame 22, and two first book clamping springs 31 are provided on the bookshelf 24.

[0026] As shown in Figures 1-4, two vertical spring pins 32 are arranged near the two ends of the rear side of the table top 2; the portion between the two spring pins 32 is a slope tilted backward, and two forward hooks 33 are arranged on the slope. A plurality of upper longitudinal beam positioning holes 34 are arranged on the surface of the upper longitudinal beam 10, and the spring pins 32 can be inserted into the upper longitudinal beam positioning holes to play the role of fixing the relative position between the table and the table frame.

[0027] As shown in Figure 2-4, the lower book support plate 21 is perpendicular to the lower vertical frame 20, and the lower book support plate 21 is welded to the side of the lower vertical frame 20 facing the table, and two second book clamping shrapnels 35 are arranged on the lower book support plate 21. The heat sink 25 is arranged above the lower book support plate 21, and the heat sink 25 is movably connected to the lower vertical frame 20 through two third hinges 36. The heat sink 25 can rotate with the lower end of the lower vertical frame 20 as the axis through the third hinges 36, and an elliptical positioning hole is arranged on the top of the heat sink 25. The upper book support plate 26 is arranged above the upper horizontal frame 23, and the upper book support plate 26 is movably connected to the bottom end of the upper vertical frame 22 through the upper book support plate sleeve 37. The upper book support plate 26 can rotate between the upper vertical frame 22 and the upper horizontal frame 23 with the bottom end of the upper vertical frame as the axis, and two third book clamping shrapnels 38 are arranged on the upper book support plate 26.

[0028] As shown in Figures 3 and 4, a horizontal reading board moving rod is provided in the middle of the upper vertical frame 22, and two reading boards 27 are provided on the upper vertical frame 22. A reading board sleeve 39 is welded on the reading board 27, and the reading board sleeve 39 is sleeved on the reading board moving rod. The reading board 27 is connected to the upper vertical frame 22 through the reading board sleeve 39, and the reading board 27 can move left and right along the reading board moving rod. The middle of the upper vertical frame 22 is a vertical square frame, and a U-shaped book spine support sleeve is welded on the square frame. A U-shaped frame 40 is provided and connected to the upper vertical frame 22 through the U-shaped book spine support sleeve.

[0029] As shown in Figures 2, 3 and 5, an upper fixed sleeve 11 is provided on each side of the bottom end of the upper vertical frame 22, and a fixed pin 41 is provided in the upper fixed sleeve 11. The fixed pin 41 is a metal rod that is bent 90° twice to form a U shape, and is divided into a long leg end and a short leg end; the long leg end passes through the upper fixed sleeve 11, and the end of the long leg end is connected to a limiting head, and the part of the long leg end located between the limiting head and the upper fixed sleeve 11 is sleeved with a spring; lower fixed sleeves 12 are provided on both sides of the top of the lower vertical frame 20 that faces away from the table, and the short leg end of the fixed pin 41 can be inserted into the lower fixed sleeve 12. When the upper vertical frame 22 is flipped to be in the same plane as the lower vertical frame 20, the fixed pin 41 can be pulled outward from the upper fixed sleeve 11, and the short leg end is inserted into the lower fixed sleeve 12, thereby fixing the upper vertical frame 22.

[0030] The method of using the present invention is as follows: the present invention is divided into four different usage states.

[0031] Usage state one: the foldable reading frame is completely folded and put under the desktop 2, and the desktop 2 moves backward. At this time, only the desktop 2 is available on the multi-functional computer desk, and it is only used for handwriting homework or taking notes; state two, the desktop 2 moves forward to expose the foldable reading frame, and the foldable reading frame as a whole is flipped upward 90° with the fixed beam 28 as the axis, and at the same time, the upper vertical frame 22 is flipped with the top of the lower vertical frame 20 as the axis, and the supporting bookshelf 24 at the lower end of the upper vertical frame 22 is temporarily fixed to the hook 33 of the desktop 2. At this time, the upper vertical frame 22, the lower vertical frame 20 and the extended surface of the desktop 2 form a triangle, and books or tablets can be placed on the reading board 27 and the supporting bookshelf 24 for reading, and homework or notes can be taken on the desktop 2; state three, the supporting bookshelf 24 fixed on the hook 33 is released, and the upper vertical frame 22 is continued to flip upward with the top of the lower vertical frame 20 as the axis, and flipped to the upper vertical frame 22 is in the same plane as the lower vertical frame 20 and is perpendicular to the desktop 2, the fixing pin 41 is pulled out, and the lower fixing sleeve 12 is inserted to fix the upper vertical frame 22, the upper book support board 26 is put down, the heat sink 25 is turned over, and the heat sink 25 is fixed on the hook 33 of the desktop 2, so that books or tablet computers can be placed on the reading board 27 and the upper book support board 26 on the upper vertical frame 22, and a laptop computer can be placed on the heat sink 25, and homework or notes can be done on the desktop 2; state four, the upper vertical frame 22 is turned up to form the same plane perpendicular to the horizontal plane as the lower vertical frame 20 and the heat sink 25, and the desktop 2 is moved back to be close to the lower vertical frame 20 and the desktop 2 is temporarily locked by two spring pins 32, so that books can be placed on the reading board 2 and the upper book support board 26 on the upper vertical frame 22, and a tablet computer can be placed on the heat sink in front of the lower vertical frame 20, and homework or notes can be done on the desktop 2. The four states of the present invention can be applied to four different application scenarios.

Claims

1. A multifunctional computer desk, comprising a table, a lifting table frame, a stepped bookcase (9), and a foldable reading rack; the table comprises a tabletop (2), a movable pencil case (3), a movable side panel (1), and table legs (6); The desktop (2) is provided with movable side panels (1) on the left and right sides respectively; the movable side panels (1) are provided with round tube columns (4) at the front lower end and the rear lower end respectively; the round tube columns (4) are provided with a plurality of round tube column positioning holes (5); a table foot (6) with a table foot spring positioning pin (7) is also provided; the round tube column (4) is inserted into the table foot (6); the table foot spring positioning pin (7) pops out from the round tube column positioning hole (5) to fix the table foot (6) in the round tube column (4); a universal wheel (8) is installed at the bottom of the table foot (6); the front middle section of the desktop (2) is processed into a concave edge, and a movable pencil case (3) is installed at the concave edge; the rear middle section of the desktop (2) is processed into an inclined surface, and there are two forward curved hooks (33) on the inclined surface; The lifting table frame is composed of an upper crossbeam, a middle crossbeam, a lower crossbeam, an upper longitudinal beam (10), a front middle longitudinal beam, a rear middle longitudinal beam, a square tube column (13), a table frame foot (18), and a table frame foot base (14); upper longitudinal beams (10) intersecting the upper crossbeam in a horizontal direction are welded to both ends of the upper crossbeam, two square tube columns (13) with a plurality of square tube column positioning holes (19) are welded below each upper longitudinal beam (10), and a front middle longitudinal beam and a rear middle longitudinal beam arranged horizontally are welded to the middle of the square tube column (13); an upper slide rail (15) is installed between the upper longitudinal beam (10) and the movable side panel (1). ), a lower slide rail (16) is installed between the front middle longitudinal beam, the rear middle longitudinal beam and the movable side plate (1); a universal wheel (8) is installed below the table frame foot base (14), and table frame feet with table frame foot spring positioning pins (17) are respectively welded above both sides of the table frame foot base (14), and the square tube column (13) is inserted into the table frame foot, and the table frame foot spring positioning pin (17) pops out from the square tube column positioning hole (19), and the table frame foot is fixed in the square tube column (13); the stepped bookcase (9) is installed between the upper crossbeam, the middle crossbeam and the lower crossbeam, and is fixed to the inner side of the upper crossbeam and the upper longitudinal beam (10); Features: The foldable reading rack comprises a lower vertical frame (20), an upper vertical frame (22), an upper horizontal frame (23), and a supporting bookcase (24), all of which are rectangular; a fixed beam is welded on the upper horizontal beam; the lower vertical frame (20) is arranged on a side of the fixed beam facing the table, and is movably connected to the fixed beam (28) through two first hinges (29); the upper vertical frame (22) is arranged above the lower vertical frame (20); a supporting bookcase (24) is arranged on the top of the upper vertical frame (22); an upper horizontal frame (23) is arranged on the bottom of the upper vertical frame (22); the upper vertical frame (22), the upper horizontal frame (23), and the supporting bookcase (24) are welded into a Z-shaped structure; the upper horizontal frame (23) is movably connected to the lower vertical frame (20) by welding four second hinges (30); and the supporting bookcase (24) is provided with two first book clamping springs (31).

2. A multifunctional computer desk as claimed in claim 1, characterized in that: The foldable reading frame further comprises a lower book supporting plate (21) and a heat dissipation plate (25); the lower book supporting plate (21) is vertically fixed to a side of the bottom end of the lower vertical frame (20) facing the table, and two second book clamping springs (35) are arranged on the lower book supporting plate (21); the heat dissipation plate (25) is arranged above the lower book supporting plate (21), the heat dissipation plate (25) is movably connected to the lower vertical frame (20) through two third hinges (36), and a fixing hole matching the bent hook (33) is arranged at the front end of the heat dissipation plate (25).

3. A multifunctional computer desk as claimed in claim 2, characterized in that: The foldable reading frame further comprises an upper book supporting plate (26) and a reading plate (27); the upper book supporting plate (26) is arranged above the upper horizontal frame (23); the upper book supporting plate (26) is movably connected to the upper vertical frame (22) via an upper book supporting plate sleeve (37); two third book clamping springs (38) are arranged on the upper book supporting plate (26); the reading plate (27) is located on the upper vertical frame and is connected to the upper vertical frame (22) via a reading plate sleeve (39); an upper fixing sleeve is arranged on each side of the bottom end of the upper vertical frame (22); (11), a fixing pin is arranged in the upper fixing sleeve (11), the fixing pin is a metal rod bent twice at 90 degrees to form a U shape, and is divided into a long leg end and a short leg end; the long leg end passes through the upper fixing sleeve (11), the end of the long leg end is connected to a limit head, and a portion of the long leg end located between the limit head and the upper fixing sleeve (11) is sleeved with a spring; lower fixing sleeves (12) are respectively arranged on both sides of the top of the lower vertical frame (20), and the short leg end of the fixing pin can be inserted into the lower fixing sleeve (12).

4. A multifunctional computer desk as claimed in claim 3, characterized in that: The heat dissipation plate (25) is provided with heat dissipation holes.

5. A multifunctional computer desk as claimed in claim 4, characterized in that: The height of the fixed beam is smaller than the distance from the table top (2) to the upper crossbeam.