CN113615976A

CN113615976A - Special office desk convenient for drawing

Info

Publication number: CN113615976A
Application number: CN202111030681.2A
Authority: CN
Inventors: 马智聪
Original assignee: Jiangxi Wanyou Industrial Co ltd
Current assignee: Hebei Haijie Modern Educational Equipment Co ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2021-11-09
Anticipated expiration: 2041-09-03
Also published as: CN113615976B

Abstract

The invention relates to an office desk, in particular to a special office desk convenient for drawing. The technical problems of the invention are as follows: the special office desk capable of rotating in any direction and having a vibration effect to achieve the effect of collecting waste materials is convenient for drawing. The technical implementation scheme of the invention is as follows: a special office desk convenient for drawing comprises: a table plate; the first supporting plates are arranged on two sides of the bottom of the table plate; the placing plate is arranged between the inner side of the upper part of the first supporting plate and the table plate; the supporting legs, first backup pad downside all slidingtype is equipped with the supporting legs. During the drawing, plasticine impurity can be remained unavoidably on the drawing, and the plasticine impurity on the drawing is shaken in the collecting frame through the effect that the third supporting plate is knocked to the left and right sides of the third push rod, so that the impurity is prevented from dropping on the ground, the vibrating effect is achieved, and the waste collecting effect is achieved.

Description

Special office desk convenient for drawing

Technical Field

The invention relates to an office desk, in particular to a special office desk convenient for drawing.

Background

The drawing desk is a desk which provides convenience for painters and can be used for placing drawings and drawing tools, and is suitable for painters and artists.

Along with the continuous development of mechanical industry, painter is more and more, and the demand of drawing desk also increases gradually, at present, in current drawing office desk, can't rotate the direction of drawing board wantonly, leads to drawing efficiency to reduce, and after drawing in-process took the plasticine to wipe the mistake, the manual collection with remaining plasticine impurity of painter, increase people's work load, and some plasticine impurity drops on the ground, causes the dirty and disorderly scheduling problem on ground to exist easily.

To sum up, a special office desk which can rotate in any direction and has a vibration effect to collect waste materials and is convenient for drawing needs to be designed to solve the problems.

Disclosure of Invention

In order to overcome the defects that the drawing efficiency is reduced, the waste material collecting function is unavailable, the workload of people is increased, and the ground is dirty and messy due to the fact that the direction of a drawing board cannot be rotated randomly in the conventional drawing office desk, the technical problem of the invention is as follows: the special office desk capable of rotating in any direction and having a vibration effect to achieve the effect of collecting waste materials is convenient for drawing.

The technical implementation scheme of the invention is as follows: a special office desk convenient for drawing comprises: a table plate; the first supporting plates are arranged on two sides of the bottom of the table plate; the placing plate is arranged between the inner side of the upper part of the first supporting plate and the table plate; the supporting legs are arranged on the lower sides of the first supporting plates in a sliding mode, and a plurality of clamping grooves are formed in one side inside each supporting leg; the rotating assembly is rotatably arranged at the top of the table plate; and the adjusting component is arranged between the rotating component and the table plate.

Furthermore, it is particularly preferred that the rotating assembly comprises: the second supporting plate is rotatably arranged at the top of the table plate, and a plurality of grooves are uniformly formed in the middle side of the bottom of the second supporting plate at intervals; the first guide rods are arranged on two sides of the middle inside the table plate in a sliding mode; the limiting blocks are arranged on the first guide rods and matched with the grooves; the first spring is arranged between the limiting block and the table plate, and the first spring is sleeved on the first guide rod.

Furthermore, it is particularly preferred that the adjustment assembly comprises: the third supporting plate is arranged on the second supporting plate in a rotating mode; the first connecting rods are rotatably arranged on two sides of the third supporting plate; the first push rod is arranged on one side of the second supporting plate in a sliding mode and is rotatably connected with the first connecting rod on one side; the clamping rod is arranged on the inner side of the first push rod in a sliding manner; the second spring is arranged between the clamping rod and the first push rod; the middle of one side inside the second supporting plate is provided with the first wedge-shaped block in a sliding manner, and the clamping rod is matched with the first wedge-shaped block; the third spring is symmetrically arranged between the first wedge-shaped block and the second supporting plate; the connecting rod, the inside medial side slidingtype of second backup pad is equipped with the connecting rod, the connecting rod with first connecting rod rotary type is connected.

In addition, it is particularly preferable that the fixing device further comprises a fixing component, and the fixing component comprises: the second push rod is symmetrically and slidably arranged on one side of the third supporting plate and matched with the second supporting plate; the clamping rod is arranged between the upper sides of the second push rods; and the fourth springs are arranged between the second push rod and the third supporting plate and sleeved on the second push rod.

In addition, it is particularly preferred that the vibration device further comprises a vibration assembly, wherein the vibration assembly comprises: the second connecting rod is arranged on the other side in the second supporting plate in a sliding mode, and the clamping rod is matched with the second connecting rod; the fifth spring is arranged between the second connecting rod and the second supporting plate; the third push rod is arranged on the other side inside the second supporting plate in a sliding mode and matched with the third supporting plate; the sixth spring is arranged between the third push rod and the second supporting plate and sleeved on the third push rod; the other side in the second supporting plate is provided with the pushing block in a sliding manner, the second connecting rod is matched with the pushing block, and the pushing block is connected with the third pushing rod in a sliding manner; the seventh spring is arranged between the push block and the third push rod; the collecting frame is slidably placed on the other side of the second supporting plate; magnet, one of them side symmetry is equipped with in the inside of second backup pad magnet, magnet all with collect mutual absorption between the frame.

In addition, it is particularly preferred that the device further comprises a lifting assembly, wherein the lifting assembly comprises: the rack is arranged on one side inside the supporting leg in a sliding mode, and the rack is also arranged on one side inside the first supporting plate; the gears are rotatably arranged in the middle of the inside of the first supporting plate and are meshed with the racks; the eighth spring is arranged between the rack on one side and the supporting leg; the supporting rods are arranged inside the racks on one side; the pressing rod is arranged between one sides of the supporting rods in a sliding manner and is connected with the supporting legs in a sliding manner; the ninth spring is arranged between the pressure rod and the support rod; the second wedge-shaped blocks are symmetrically arranged on one side of the pressing rod and are matched with the clamping grooves in the supporting legs.

In addition, particularly preferably, the device further comprises a quick retraction assembly, and the quick retraction assembly is arranged on the inner side of the supporting foot on one side.

In addition, it is particularly preferred that a quick retraction assembly is further included, the quick retraction assembly including: the push plate is arranged on one side inside the supporting leg in a sliding mode; the fourth push rod is arranged on one side of the push plate and matched with the clamping groove on one side; and the tenth spring is symmetrically arranged between the push plate and the supporting legs.

The beneficial effects are that: 1. people can rotate the second backup pad to suitable direction wantonly according to the drawing demand, and can adjust suitable angle with the third backup pad at will in the drawing process, effectively improves the work efficiency that people drawn, has reached the effect of arbitrary direction of rotation and angle regulation.

2. After placing graph paper in the third backup pad, at the effect of clamping bar, can press from both sides the drawing tightly and fix, so, avoid the drawing to drop, improve the stability of drawing, and through depression bar up-and-down motion, can adjust the suitable height of this desk, reached the effect of adjusting the desk height and increasing the drawing stability.

3. During the drawing, plasticine impurity can be remained unavoidably on the drawing, and the plasticine impurity on the drawing is shaken in the collecting frame through the effect that the third supporting plate is knocked to the left and right sides of the third push rod, so that the impurity is prevented from dropping on the ground, the vibrating effect is achieved, and the waste collecting effect is achieved.

Drawings

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

Fig. 2 is a schematic view of the installation of the rotating assembly of the present invention.

Fig. 3 is an enlarged schematic view of the structure at a of the present invention.

Fig. 4 is a partial structural schematic diagram of the rotating assembly of the present invention.

Fig. 5 is a schematic view of the installation of the adjustment assembly of the present invention.

Fig. 6 is an enlarged schematic view of the present invention at B.

Fig. 7 is a schematic view of a first part of the adjusting assembly of the present invention.

Fig. 8 is a second partial structural schematic diagram of the adjusting assembly of the present invention.

Fig. 9 is a third partial structural schematic diagram of the adjusting assembly of the present invention.

Fig. 10 is a schematic view of the installation of the fixing assembly of the present invention.

Fig. 11 is an enlarged schematic view of the present invention at C.

Fig. 12 is a schematic view of the mounting of the vibration assembly of the present invention.

Fig. 13 is a partial structural schematic view of the vibration assembly of the present invention.

Fig. 14 is an enlarged view of the structure at D of the present invention.

Fig. 15 is a schematic view of a portion of the construction of the lift assembly of the present invention.

Fig. 16 is a schematic view of the installation of the lift assembly of the present invention.

Fig. 17 is an enlarged schematic view of the present invention at E.

Fig. 18 is a schematic view of the installation of the quick retraction assembly of the present invention.

Wherein the figures include the following reference numerals: 1. supporting legs, 2, a first supporting plate, 3, a table, 4, a placing plate, 5, a rotating assembly, 51, a second supporting plate, 52, a first guide rod, 53, a limiting block, 54, a first spring, 6, an adjusting assembly, 61, a third supporting plate, 62, a first connecting rod, 63, a first push rod, 64, a clamping rod, 65, a second spring, 66, a first wedge-shaped block, 67, a third spring, 68, a connecting rod, 7, a fixing assembly, 71, a second push rod, 72, a clamping rod, 73, a fourth spring, 8, a vibrating assembly, 81, a second connecting rod, 82, a fifth spring, 83, a third push rod, 84, a sixth spring, 85, a pushing block, 86, a seventh spring, 87, a collecting frame, 88, a magnet, 9, a lifting assembly, 91, a rack, 92, a gear, 93, an eighth spring, 94, a supporting rod, 95, a pressing rod, 96, a ninth spring, 97, a second wedge-shaped block, 10. a quick retraction assembly, 101, a push plate, 102, a fourth push rod, 103, a tenth spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

The utility model provides a special type office desk convenient to drawing, as shown in fig. 1-9, including supporting legs 1, first backup pad 2, table 3, place board 4, rotating component 5 and adjusting part 6, first backup pad 2 is all installed to the 3 bottom left and right sides of table, be connected with between 2 upper portion inboards of first backup pad and the table 3 and place board 4, 2 downside of first backup pad all slidingtype are provided with supporting legs 1, a plurality of draw-in grooves have all been opened to the inside rear side of supporting legs 1, rotating component 5 is installed to 3 top rotary types of table, be connected with adjusting part 6 between rotating component 5 and the table 3.

Rotating assembly 5 is including second backup pad 51, first guide bar 52, stopper 53 and first spring 54, second backup pad 51 is installed to table 3 top rotary type, second backup pad 51 bottom interval evenly opens has a plurality of recesses, the equal sliding type in both sides has first guide bar 52 around table 3 is inside middle, all be provided with stopper 53 on the first guide bar 52, stopper 53 all cooperates with the recess, all be connected with first spring 54 between stopper 53 and the table 3, first spring 54 all overlaps on first guide bar 52.

The adjusting component 6 comprises a third supporting plate 61, a first connecting rod 62, a first push rod 63, a clamping rod 64, a second spring 65, a first wedge-shaped block 66, a third spring 67 and a connecting rod 68, the front side of the second supporting plate 51 is rotatably connected with the third supporting plate 61, the left side and the right side of the third supporting plate 61 are rotatably provided with the first connecting rod 62, the right side of the second supporting plate 51 is slidably provided with the first push rod 63, the first push rod 63 is rotatably connected with the right side first connecting rod 62, the inner side of the first push rod 63 is slidably provided with the clamping rod 64, the second spring 65 is connected between the clamping rod 64 and the first push rod 63, the right side middle of the second supporting plate 51 is slidably provided with the first wedge-shaped block 66, the clamping rod 64 is matched with the first wedge-shaped block 66, the third spring 67 is symmetrically connected between the first wedge-shaped block 66 and the second supporting plate 51, the middle of the second supporting plate 51 is slidably connected with the connecting rod 68, the connecting rod 68 is rotatably connected to the first connecting rod 62.

When people need to draw, the office desk can be used, people firstly place a required drawing tool on the placing plate 4, move the first supporting plate 2 up and down to drive the desk plate 3, the placing plate 4 and the second supporting plate 51 to move up and down, so as to adjust the height of the office desk, then clamp a drawing on the third supporting plate 61, move the first push rod 63 forward to drive the clamping rod 64 and the connecting rod 68 to move forward, further drive the first connecting rod 62 and the third supporting plate 61 to rotate, so that the third supporting plate 61 rotates upwards to open, adjust the required angle of the third supporting plate 61 according to the drawing habit of people, move the clamping rod 64 forward to touch the bulge of the first wedge-shaped block 66, drive the first wedge-shaped block 66 to move upwards, the third spring 67 is compressed, after the clamping rod 64 passes through the bulge of the first wedge-shaped block 66, the third spring 67 resets to drive the first wedge-shaped block 66 to move downwards to clamp the clamping rod 64, thus, the effect of adjusting the angle is achieved, after the first push rod 63 moves to the foremost side, the rotating angle of the third support plate 61 is the largest at the moment, according to the drawing requirement, people rotate the second support plate 51 in any direction to drive the third support plate 61 and the drawing to rotate, when the second support plate 51 rotates downwards to contact with the limiting block 53, the limiting block 53 moves downwards, the first spring 54 is compressed, after the second support plate 51 rotates to a proper direction, and when the limiting block 53 is aligned with the groove, the first spring 54 resets to drive the limiting block 53 to move upwards to be clamped on the groove, so that the second support plate 51 can be fixed, people can draw conveniently, the fixing function is achieved, after people draw, the clamping rod 64 moves leftwards to be separated from the first wedge block 66, the second spring 65 is compressed, then the first push rod 63 moves backwards to reset, and the clamping rod 64 and the connecting rod 68 are driven to move backwards to reset, and then the first connecting rod 62 and the third supporting plate 61 are driven to rotate reversely and reset, when the first push rod 63 moves to the rearmost side, the clamping rod 64 is released, the second spring 65 resets, and the clamping rod 64 is driven to move rightwards and reset.

Example 2

On the basis of embodiment 1, as shown in fig. 10 to 18, the fixing device 7 further includes a fixing assembly 7, the fixing assembly 7 includes a second push rod 71, a clamping rod 72 and a fourth spring 73, the second push rod 71 is connected to the rear side of the third supporting plate 61 in a sliding manner, the second push rod 71 is matched with the second supporting plate 51, the clamping rod 72 is arranged between the upper sides of the second push rod 71, the fourth springs 73 are connected between the second push rod 71 and the third supporting plate 61, and the fourth springs 73 are all sleeved on the second push rod 71.

In the initial state, the second push rod 71 is pressed by the second support plate 51, the fourth spring 73 is in a compressed state, and when people need to draw, the drawing paper is placed between the third support plate 61 and the clamping rod 72, when the third supporting plate 61 is rotated and opened, the second pushing rod 71 and the clamping rod 72 are driven to rotate, so that the second pushing rod 71 is far away from the second supporting plate 51, the fourth spring 73 is reset, the second pushing rod 71 and the clamping rod 72 are driven to move downwards and reset, the clamping rod 72 clamps and fixes the paper, the drawing efficiency is effectively improved, when the drawing is finished and the third supporting plate 61 rotates reversely, the second pushing rod 71 and the clamping rod 72 are driven to reset, so that the second push rod 71 contacts the second support plate 51 to drive the second push rod 71 and the clamping rod 72 to move upwards, the fourth spring 73 is compressed, the drawing is loosened by the clamping rod 72 at the moment, and people can take out the drawing, thereby playing the effect of fixing the drawing.

The vibration device further comprises a vibration component 8, the vibration component 8 comprises a second connecting rod 81, a fifth spring 82, a third push rod 83, a sixth spring 84, a push block 85, a seventh spring 86, a collecting frame 87 and a magnet 88, the second connecting rod 81 is slidably mounted in the second supporting plate 51 at the right front side, the clamping rod 64 is matched with the second connecting rod 81, the fifth spring 82 is connected between the second connecting rod 81 and the second supporting plate 51, the third push rod 83 is slidably mounted in the second supporting plate 51 at the right front side, the third push rod 83 is matched with the third supporting plate 61, the sixth spring 84 is connected between the third push rod 83 and the second supporting plate 51, the sixth spring 84 is sleeved on the third push rod 83, the push block 85 is slidably connected in the second supporting plate 51 at the right front side, the second connecting rod 81 is matched with the push block 85, the push block 85 is slidably connected with the third push rod 83, the seventh spring 86 is connected between the push block 85 and the third push rod 83, collection frame 87 is placed to second backup pad 51 front side cunning formula, and magnet 88 is installed to the inside front side bilateral symmetry of second backup pad 51, and magnet 88 all with collect between the frame 87 mutual absorption.

When people move the clamping rod 64 leftwards, the clamping rod 64 contacts the rear part of the second connecting rod 81, then the clamping rod 64 is pushed backwards manually, so that the second connecting rod 81 is pushed to move backwards, the fifth spring 82 is compressed, a bulge on the front side of the second connecting rod 81 is contacted with the push block 85, the push block 85 is driven to move rightwards, the push block 85 pulls the third push rod 83 to move rightwards through the seventh spring 86, the sixth spring 84 is compressed, the third push rod 83 is far away from the third supporting plate 61, when the bulge of the second connecting rod 81 is not contacted with the push block 85, the sixth spring 84 is reset, the third push rod 83 is driven to move leftwards and reset, the push block 85 is driven to move leftwards and reset, the third push rod 83 is reset to knock the third supporting plate 61, each time when the bulge of the second connecting rod 81 contacts the push block 85, the third push rod 83 knocks the third supporting plate 61 once, impurities are repeated, and the plasticine on the drawing can fall into the collecting frame 87, when the clamping rod 64 moves rightwards to be separated from the second connecting rod 81, the fifth spring 82 resets to drive the second connecting rod 81 to move forwards and reset, so that the bulge on the second connecting rod 81 is contacted with the push block 85 again, the push block 85 is driven to move leftwards along the third push rod 83, the seventh spring 86 is compressed, after the push block 85 is not contacted with the bulge on the second connecting rod 81, the seventh spring 86 resets to drive the push block 85 to move rightwards to reset, the operation is repeated, under the action of the seventh spring 86, the second connecting rod 81 can smoothly pass through the push block 85 forwards and restore to the initial state, then the collecting frame 87 moves forwards to be separated from the magnet 88, after the plasticine impurities in the collecting frame 87 are collected, the collecting frame 87 moves backwards, the collecting frame 87 and the magnet 88 are mutually adsorbed, the magnet 88 adsorbs the collecting frame 87, when the second supporting plate 51 rotates, the collection frame 87 is driven to rotate, and the collection frame 87 is fixed on the ground and cannot fall off under the action of the magnet 88.

Still including rising subassembly 9, rising subassembly 9 is including rack 91, gear 92, eighth spring 93, bracing piece 94, depression bar 95, ninth spring 96 and second wedge 97, the equal sliding connection in inside rear side of supporting legs 1 has rack 91, the inside preceding downside of first supporting legs 2 also is connected with rack 91, gear 92 is installed to the equal rotary type in the middle of the inside of first supporting legs 2, gear 92 all meshes with rack 91, all be connected with eighth spring 93 between rear side rack 91 and the supporting legs 1, the inside bracing piece 94 that all is connected with of rear side rack 91, sliding connection has depression bar 95 between bracing piece 94 the rear side, sliding connection between depression bar 95 and the supporting legs 1, all be connected with ninth spring 96 between depression bar 95 and the bracing piece 94, the rigid coupling of depression bar 95 front side bilateral symmetry has second wedge 97, second wedge 97 all cooperates with the draw-in the supporting legs 1.

Still including withdrawing the subassembly 10 fast, withdraw the subassembly 10 fast including push pedal 101, fourth push rod 102 and tenth spring 103, the inside front side sliding type of right side supporting legs 1 is provided with push pedal 101, the rigid coupling of push pedal 101 rear side has fourth push rod 102, fourth push rod 102 backward move with the second wedge 97 contact on right side, fourth push rod 102 and right side draw-in groove cooperation, upper and lower symmetrical connection has tenth spring 103 between push pedal 101 and the supporting legs 1.

Because the heights of everyone are different, the user can move the press rod 95 downwards to drive the second wedge-shaped block 97, the support rod 94 and the rear rack 91 to move downwards, further drive the gear 92 to rotate forwards, the gear 92 rotates forwards to drive the front rack 91, the first support plate 2, the table plate 3 and the placing plate 4 to move upwards, the eighth spring 93 is compressed, thus the height of the office desk can be adjusted, when the second wedge-shaped block 97 moves downwards, the second wedge-shaped block 97 and the press rod 95 are pushed to move backwards under the action of the support leg 1, the ninth spring 96 is stretched, when the second wedge-shaped block 97 is aligned with the clamping groove, the ninth spring 96 resets to drive the second wedge-shaped block 97 and the press rod 95 to move forwards and reset, so that the second wedge-shaped block 97 is clamped on the clamping groove, when the second wedge-shaped block 97 moves downwards and is clamped on the clamping groove at the lowest side, the height of the office desk is highest, when the height of the office desk needs to be lowered, a user manually moves the push plate 101 backwards to drive the fourth push rod 102 to move backwards, the tenth spring 103 is compressed, the fourth push rod 102 moves backwards to block the clamping groove, meanwhile, the fourth push rod 102 contacts with the second wedge-shaped block 97 to push the second wedge-shaped block 97 and the press rod 95 to move backwards, the ninth spring 96 is stretched again, at the same time, the eighth spring 93 resets to drive the rear rack 91, the support rod 94, the press rod 95 and the second wedge-shaped block 97 to move upwards for resetting, further to drive the gear 92 to rotate reversely, simultaneously to drive the front rack 91, the first support plate 2, the desk plate 3 and the placing plate 4 to move downwards for resetting, then the push plate 101 is released, the tenth spring 103 resets to drive the push plate 101 and the fourth push rod 102 to move forwards for resetting, so that the fourth push rod 102 is far away from the second wedge-shaped block 97, and the ninth spring 96 resets again, drive second wedge 97 and depression bar 95 and reset, make second wedge 97 block on the draw-in groove of the top side, the height of this desk this moment is minimum, so, has reached height-adjusting and can the quick effect that resets.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a special type office desk convenient to drawing, characterized by, including:

a table plate (3);

the first supporting plates (2) are arranged on two sides of the bottom of the table plate (3);

the placing plate (4) is arranged between the inner side of the upper part of the first supporting plate (2) and the table plate (3);

the supporting legs (1) are arranged on the lower sides of the first supporting plates (2) in a sliding mode, and a plurality of clamping grooves are formed in one side of the inner portion of each supporting leg (1);

the top of the table plate (3) is rotatably provided with the rotating component (5);

the adjusting component (6) is arranged between the rotating component (5) and the table plate (3).

2. A specialized office desk for facilitating drawing according to claim 1, wherein the rotation member (5) comprises:

the top of the table plate (3) is rotatably provided with the second supporting plate (51), and a plurality of grooves are uniformly formed in the middle side of the bottom of the second supporting plate (51) at intervals;

the first guide rods (52) are arranged on two sides of the middle inside the table plate (3) in a sliding mode;

the limiting blocks (53) are arranged on the first guide rods (52), and the limiting blocks (53) are matched with the grooves;

the first springs (54) are arranged between the limiting blocks (53) and the table plate (3), and the first springs (54) are sleeved on the first guide rods (52).

3. A specialized office desk for facilitating drawing according to claim 2, wherein the adjusting member (6) comprises:

a third support plate (61), wherein the third support plate (61) is rotatably arranged on the second support plate (51);

the first connecting rod (62) is rotatably arranged on each of two sides of the third supporting plate (61);

the first push rod (63) is arranged on one side of the second supporting plate (51) in a sliding mode, and the first push rod (63) is rotatably connected with the first connecting rod (62) on one side;

the clamping rod (64) is arranged on the inner side of the first push rod (63) in a sliding manner;

the second spring (65) is arranged between the clamping rod (64) and the first push rod (63);

the middle of one side inside the second supporting plate (51) is provided with the first wedge-shaped block (66) in a sliding manner, and the clamping rod (64) is matched with the first wedge-shaped block (66);

the third spring (67) is symmetrically arranged between the first wedge-shaped block (66) and the second supporting plate (51);

connecting rod (68), the inside medial side slidingtype of second backup pad (51) is equipped with connecting rod (68), connecting rod (68) with first connecting rod (62) rotary type is connected.

4. A special office desk convenient for drawing according to claim 3, further comprising a fixing member (7), wherein the fixing member (7) comprises:

the second push rod (71) is symmetrically and slidably arranged on one side of the third supporting plate (61), and the second push rod (71) is matched with the second supporting plate (51);

the clamping rod (72) is arranged between the upper sides of the second push rods (71);

the fourth springs (73) are arranged between the second push rod (71) and the third supporting plate (61), and the fourth springs (73) are sleeved on the second push rod (71).

5. A special office desk convenient for drawing according to claim 4, further comprising a vibration assembly (8), wherein the vibration assembly (8) comprises:

the second connecting rod (81) is arranged on the other side inside the second supporting plate (51) in a sliding mode, and the clamping rod (64) is matched with the second connecting rod (81);

a fifth spring (82), wherein the fifth spring (82) is arranged between the second connecting rod (81) and the second supporting plate (51);

the other side in the second supporting plate (51) is provided with the third push rod (83) in a sliding manner, and the third push rod (83) is matched with the third supporting plate (61);

the sixth spring (84) is arranged between the third push rod (83) and the second supporting plate (51), and the sixth spring (84) is sleeved on the third push rod (83);

the pushing block (85) is arranged on the other side inside the second supporting plate (51) in a sliding mode, the second connecting rod (81) is matched with the pushing block (85), and the pushing block (85) is connected with the third pushing rod (83) in a sliding mode;

a seventh spring (86), wherein the seventh spring (86) is arranged between the pushing block (85) and the third push rod (83);

the other side of the second supporting plate (51) is slidably provided with the collecting frame (87);

magnet (88), one side symmetry is equipped with in inside of second backup pad (51) magnet (88), magnet (88) all with collect between frame (87) mutual absorption.

6. A specialized office desk for facilitating drawing according to claim 5, further comprising a raising assembly (9), wherein the raising assembly (9) comprises:

the rack (91) is arranged on one side inside the supporting leg (1) in a sliding manner, and the rack (91) is also arranged on one side inside the first supporting plate (2);

the gears (92) are rotatably arranged in the middle of the inside of the first supporting plate (2), and the gears (92) are meshed with the racks (91);

the eighth spring (93) is arranged between the rack (91) and the supporting foot (1) on one side;

the supporting rods (94) are arranged inside the racks (91) on one side of the supporting rods (94);

the pressure lever (95) is arranged between one sides of the support rods (94) in a sliding manner, and the pressure lever (95) is connected with the support leg (1) in a sliding manner;

the ninth spring (96) is arranged between the pressure rod (95) and the support rod (94);

second wedge (97), depression bar (95) one side symmetry is equipped with second wedge (97), second wedge (97) all with in the supporting legs (1) the draw-in groove cooperation.

7. A special office desk for drawing convenience according to claim 6, further comprising a quick retraction assembly (10), wherein said quick retraction assembly (10) is provided inside said support leg (1) on one side.

8. A desk dedicated for drawing convenience as claimed in claim 7, wherein the quick retraction assembly (10) comprises:

the push plate (101) is arranged on one side of the inner part of the supporting leg (1) in a sliding mode;

the fourth push rod (102) is arranged on one side of the push plate (101), and the fourth push rod (102) is matched with the clamping groove on one side;

and the tenth spring (103) is symmetrically arranged between the push plate (101) and the supporting leg (1).