CN113085436A

CN113085436A - A drawing paper fixing device for fine arts tutoring

Info

Publication number: CN113085436A
Application number: CN202110453152.7A
Authority: CN
Inventors: 聂仕
Original assignee: Individual
Current assignee: Heilongjiang Huidu Technology Co ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-07-09
Anticipated expiration: 2041-04-26
Also published as: CN113085436B

Abstract

The invention relates to a drawing paper fixing device, in particular to a drawing paper fixing device used for art tutoring. The technical problem of the present invention is to provide a drawing paper fixing device for art tutoring that can easily fix drawing paper, automatically support and erect drawing paper, and easily adjust the height of drawing paper independently. A drawing paper fixing device for art tutoring, comprising: a first support block, a placing component is arranged on the upper part of the first supporting block; a fixing component, a fixing component is arranged on the placing component; a locking component, a middle part of the placing component is provided with Lock the assembly. In the present invention, the rack and the contact block can be pushed to move to an appropriate position by pulling the second block to move to the outside and loosening the rack, then the second block is released, and the rack and the contact block are fixed under the reset action The contact block is supported on the ground to achieve the effect of easily adjusting the support height of the drawing paper, which is beneficial to the user for better painting and guidance.

Description

A drawing paper fixing device for fine arts tutoring

Technical Field

The invention relates to a drawing paper fixing device, in particular to a drawing paper fixing device for art tutoring.

Background

In modern society, people are used to fast paced life, have a lot of fidgetiness, and become a popular interest in learning to slow down, smelt the temperament and learn to draw.

The drawing paper for drawing is generally required to be fixed on a special tool to facilitate drawing, the traditional drawing paper fixing tool for art guidance can be moved but cannot be supported on the ground, the drawing paper cannot be erected, a user is not used for drawing and guidance, and meanwhile the height of the drawing paper cannot be adjusted according to habits of the user.

How to design one kind can simply fix the drawing paper, and the automatic stay erects the drawing paper, and the drawing paper fixing device who is used for fine arts tutoring of drawing paper height is independently adjusted to the convenience, becomes the problem that needs the solution.

Disclosure of Invention

In order to overcome the defects that the drawing paper cannot be erected and supported and the height of the drawing paper cannot be adjusted at will in the existing tool, the invention has the technical problems that: the utility model provides a can simply fix drawing paper, the automatic support erects drawing paper, and the drawing paper fixing device for art tutoring of drawing paper height is independently adjusted to the convenience.

The technical scheme is as follows: a drawing paper fixing device for fine arts tutoring, including: the upper part of the first supporting block is provided with a placing component; the placing component is provided with a fixing component; and the middle part of the locking component is provided with a locking component.

Furthermore, it is particularly preferred that the placement module comprises: one side of the upper part of the first supporting block is connected with the first supporting frame; the two sides of the middle part of the first support frame are connected with the guide rods in a sliding manner; the placing plate is connected between one sides of the guide rods; the first springs are symmetrically connected between one side of the placing plate and the first support frame and sleeved on the guide rods.

Furthermore, it is particularly preferred that the fixing assembly comprises: the upper side and the lower side of one part of the placing plate are symmetrically connected with the supporting groove blocks; the outer sides of the inner parts of the supporting groove blocks are connected with connecting rods in a sliding manner; the inner sides of one part of the connecting rods are connected with the first groove rods; the inner sides of one part of the connecting rods are connected with the limiting rods in a sliding manner; the inner sides of the limiting rods are rotatably connected with first rollers; the second springs are connected between the middle parts of the limiting rods and the connecting rods and sleeved on the limiting rods; the upper side and the lower side of the first support frame are symmetrically connected with first slide bars, and the first slide bars are connected with first groove bars in a sliding mode.

Furthermore, it is particularly preferred that the locking assembly comprises: the second support frame is connected between the two sides of the middle part of one side of the first support frame; one side of the lower part of the second support frame is symmetrically and slidably connected with a first clamping block, and the first clamping block is matched with the guide rod; the third spring is connected between the middle part of the first clamping block and the second supporting frame and sleeved on the first clamping block; the upper part of one side of the second support frame is connected with the sliding frame in a sliding way; the lower side of the sliding frame is connected with a push rod; and the fourth spring is symmetrically connected between the upper side of the sliding frame and the second support frame and sleeved on the two sides of the sliding frame.

In addition, it is particularly preferable that the apparatus further comprises a support assembly, and the support assembly comprises: the first support block is uniformly and rotatably connected with three first support rods at intervals; the middle parts of the transmission shafts of the first supporting rods are connected with the reels; the first torsion springs are symmetrically connected between the first supporting rod and the first supporting block; the inner sides of the lower parts of the first supporting rods are symmetrically and rotatably connected with pulleys; the lower sides of the first supporting rods are rotatably connected with second supporting rods; the second torsion springs are symmetrically connected between the second supporting rod and the first supporting rod; stay cord, all be connected with the stay cord between reel and the second bracing piece upper portion inboard, two pulleys of homonymy are walked around to the stay cord.

In addition, it is particularly preferable that the device further comprises a top opening assembly, and the top opening assembly comprises: the middle part of the first supporting block is connected with a connecting rod in a sliding way; the upper side of the connecting rod is connected with the wedge block; the lower part of the connecting rod is uniformly connected with three second supporting blocks of the second sliding rod at intervals, and the outer side of the bottom of the first supporting block is uniformly connected with three second supporting blocks; the lower parts of the second supporting blocks are symmetrically connected with second groove rods in a sliding manner, and the second sliding rods are connected with two second groove rods on the same side in a sliding manner; the fifth springs are connected between the inner sides of the second groove rods and the second supporting blocks and sleeved on the second groove rods; the second roller is rotatably connected with the outer side of the second grooved bar and is matched with the first supporting bar.

In addition, it is particularly preferred that the device further comprises a pressing component, and the pressing component comprises: the middle of the upper part of the first supporting block is symmetrically connected with a guide block; the push rods are connected with the inner parts of the upper sides of the guide blocks in a sliding mode, and the upper parts of the outer sides of the push rods are matched with the connecting rods; the sixth spring is connected between the middle part of the push rod and the guide block and sleeved on the push rod; the ejector block is connected to the inner side of the push rod, and the ejector block is matched with the wedge-shaped block.

In addition, it is particularly preferred that the device further comprises an adjusting assembly, and the adjusting assembly comprises: the lower parts of the second supporting rods are rotatably connected with the rotary groove blocks; third torsion springs are symmetrically connected between the rotating groove block and the second supporting rod; the sliding blocks are connected inside the rotating groove blocks in a sliding manner; the lower parts of the sliding blocks are connected with racks; the two sides of the lower part of the rotating groove block are connected with the third supporting block; the lower parts of the second clamping block and the third supporting block are both connected with a second clamping block in a sliding mode, and the second clamping block is matched with the rack; the seventh spring is connected between the middle part of the second clamping block and the third supporting block and sleeved on the clamping block; the lower parts of the contact block and the rack are connected with the contact block.

Has the advantages that: 1. according to the invention, the placing plate is pushed to move backwards, the guide rod is driven to move backwards to be matched with the first clamping block, the placing plate is fixed, and meanwhile, the connecting rod and the first roller wheel are driven to move backwards and inwards under the action of the first sliding rod to fix the drawing paper, so that the effects of automatically and easily fixing and taking down the drawing paper are achieved.

2. According to the invention, the lower part of the first torsion spring is pushed to rotate outwards to drive the reel to rotate, the second support rod is pulled inwards through the pull rope, and the second support rod is supported on the ground, so that the effect of standing the placing plate and the drawing paper is achieved, and a user can draw and guide conveniently.

3. According to the invention, the connecting rod pushes the top block to move inwards, the wedge block is pushed to move downwards, and the second sliding rod is driven to move downwards, so that the second groove rod and the second roller are pushed to move outwards, the lower part of the first supporting rod is pushed to rotate outwards, and finally, the drawing paper is supported, so that the effect of automatically supporting the drawing paper when the drawing paper is fixed is achieved, and the labor is saved.

4. According to the invention, the second clamping block is pulled to move outwards, the rack is loosened, the rack and the contact block can be pushed to move to proper positions, the second clamping block is loosened, the rack and the contact block are fixed under the reset action, and the contact block is supported on the ground, so that the effect of easily adjusting the supporting height of the drawing paper is achieved, and the drawing and the tutoring of a user are facilitated.

Drawings

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

Fig. 2 is a schematic perspective view of another angle according to the present invention.

FIG. 3 is a schematic diagram of a first partial structure according to the present invention.

Fig. 4 is a second partial structure diagram and a cross-sectional view of the present invention.

FIG. 5 is a third partial structural diagram of the present invention.

Fig. 6 is a fourth partial structural schematic view and a sectional view of the present invention.

Fig. 7 is a schematic structural view and a sectional view of a fifth part of the present invention.

FIG. 8 is a schematic diagram of a sixth partial structure according to the present invention.

Fig. 9 is a schematic diagram and a cross-sectional view of a seventh partial structure according to the present invention.

Labeled as: 1-a first support block, 2-a placement component, 201-a first support frame, 202-a guide bar, 203-a placement plate, 204-a first spring, 3-a fixation component, 301-a support groove block, 302-a connecting bar, 303-a first groove bar, 304-a first roller, 305-a second spring, 306-a first sliding bar, 307-a limiting bar, 4-a locking component, 401-a second support frame, 402-a first latch, 403-a third spring, 404-a top bar, 405-a fourth spring, 406-a carriage, 5-a support component, 501-a first support bar, 502-a first torsion spring, 503-a reel, 504-a pulley, 505-a pull rope, 506-a second support bar, 507-a second torsion spring, 6-ejection component, 601-wedge block, 602-second sliding rod, 603-second supporting block, 604-second grooved rod, 605-second roller, 606-fifth spring, 607-connecting rod, 7-pressing component, 701-guide block, 702-ejection block, 703-push rod, 704-sixth spring, 8-adjusting component, 801-rotating grooved block, 802-third torsion spring, 803-sliding block, 804-contact block, 805-third supporting block, 806-second clamping block, 807-seventh spring and 808-rack.

Detailed Description

The invention will be further described with reference to examples of embodiments shown in the drawings to which the invention is attached.

Example 1

The utility model provides a drawing paper fixing device for fine arts tutoring, as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, including first supporting block 1, place subassembly 2, fixed subassembly 3 and locking Assembly 4, 1 upper portion of first supporting block is equipped with places subassembly 2, places and is equipped with fixed subassembly 3 on the subassembly 2, places 2 middle parts of subassembly and is equipped with locking Assembly 4.

The placing component 2 comprises a first support frame 201, a guide rod 202, a placing plate 203 and a first spring 204, the rear side of the upper part of the first support block 1 is connected with the first support frame 201, the left side and the right side of the middle part of the first support frame 201 are connected with the guide rod 202 in a sliding mode, the placing plate 203 is connected between the front sides of the guide rods 202, the first spring 204 is symmetrically connected between the rear side of the placing plate 203 and the first support frame 201 in a left-right mode, and the first spring 204 is sleeved on the guide rod 202.

The fixed component 3 comprises a supporting groove block 301, a connecting rod 302, a first groove rod 303, a first roller 304, a second spring 305, a first sliding rod 306 and a limiting rod 307, the upper side and the lower side of the rear part of the placing plate 203 are connected with the supporting groove block 301 in a bilateral symmetry mode, the outer side of the inner part of the supporting groove block 301 is connected with the connecting rod 302 in a sliding mode, the inner side of the rear part of the connecting rod 302 is connected with the first groove rod 303, the inner side of the front part of the connecting rod 302 is connected with the limiting rod 307 in a sliding mode, the inner side of the limiting rod 307 is connected with the first roller 304 in a rotating mode, the middle part of the limiting rod 307 and the connecting rod 302 are connected with the second spring 305, the second spring 305 is sleeved on the limiting rod 307, the upper side and the lower side of.

The locking assembly 4 comprises a second support frame 401, a first clamping block 402, a third spring 403, a push rod 404, a fourth spring 405 and a sliding frame 406, the second support frame 401 is connected between the left side and the right side of the middle portion of the rear side of the first support frame 201, the first clamping block 402 is connected with the rear side of the lower portion of the second support frame 401 in a bilateral sliding mode, the first clamping block 402 is matched with the guide rod 202, the third spring 403 is connected between the middle portion of the first clamping block 402 and the second support frame 401, the third spring 403 is sleeved on the first clamping block 402, the sliding frame 406 is connected with the upper portion of the rear side of the second support frame 401 in a bilateral sliding mode, the push rod 404 is connected to the lower side of the sliding frame 406, the fourth spring 405 is connected between the upper side of the sliding frame 406 and.

When a user needs to use the device to fix drawing paper, the drawing paper is flatly laid on the front side of the placing plate 203, then the placing plate 203 is pushed to move backwards to drive the guide rod 202 to move backwards, the first spring 204 is compressed, the guide rod 202 pushes the first clamping block 402 to move inwards after contacting the first clamping block 402, the third spring 403 is compressed, then the rear part of the guide rod 202 moves to the rear side of the first clamping block 402, the first clamping block 402 is pushed to move outwards under the action of the third spring 403 to prop against the guide rod 202 to fix the placing plate 203, the placing plate 203 moves backwards to drive the supporting groove block 301 to move backwards, the first groove rod 303 and the connecting rod 302 are pushed to move inwards under the matching action of the first groove rod 303 and the first sliding rod 306 to drive the first roller 304 to move inwards, and the first roller 304 is pushed to move forwards after contacting the placing plate 203 and the drawing paper, the second spring 305 is compressed to make the first roller 304 fix the drawing paper, so that the drawing paper can be released to draw a picture, after the picture is finished, the carriage 406 is pushed to move downwards, the fourth spring 405 is compressed to drive the ejector rod 404 to move downwards, so that the first clamping block 402 is pushed to move inwards to be far away from the guide rod 202, the placing plate 203 is loosened, the placing plate 203 is pushed to move forwards under the action of the first spring 204, after the guide rod 202 is far away from the first clamping block 402, the carriage 406 is loosened, the carriage 406 and the ejector rod 404 are pushed to move upwards to be far away from the first clamping block 402 under the action of the fourth spring 405, the first clamping block 402 is pushed to move outwards to return to the original state under the action of the third spring, the placing plate 203 moves forwards to drive the supporting groove block 301 to move forwards, the first groove rod 303 and the connecting rod 302 are driven to move outwards under the cooperation action of the first groove rod 303 and the first sliding rod 306, drive first gyro wheel 304 and move away from to the outside and place board 203 and drawing paper, loosen the drawing paper, can take off the drawing paper, later under the effect of second spring 305, promote first gyro wheel 304 rearward movement, resume to original state, so reciprocal, reach the automatic effect of easily fixing and taking off the drawing paper.

Example 2

On the basis of embodiment 1, as shown in fig. 1, 2, 6, 7, 8 and 9, the present invention further comprises a support assembly 5, wherein the support assembly 5 comprises a first support rod 501, a first torsion spring 502, a reel 503, a pulley 504, a pull rope 505, a second support rod 506 and a second torsion spring 507, three first support rods 501 are rotatably connected to the first support block 1 at regular intervals, the reel 503 is connected to the middle portion of a transmission shaft of the first support rod 501, the first torsion springs 502 are symmetrically connected between the first support rod 501 and the first support block 1, the pulley 504 is rotatably connected to the inner side of the lower portion of the first support rod 501, the second support rod 506 is rotatably connected to the lower side of the first support rod 501, the second torsion springs 507 are symmetrically connected between the second support rod 506 and the first support rod 501, the pull rope 505 is connected to the inner side of the upper portion of the second support rod 506, the pulling rope 505 is wound around the two pulleys 504 on the same side.

The lower part of the first supporting rod 501 is pushed to rotate outwards, namely the upper part rotates inwards, the first torsion spring 502 deforms, the reel 503 is driven to rotate, the second supporting rod 506 is pulled inwards through the pull rope 505, the second supporting rod 506 moves outwards but does not rotate, the second torsion spring 507 deforms, the second supporting rod 506 can be placed on the ground, the whole device is supported on the ground, when the device is not required to be continuously supported on the ground, the first supporting rod 501 is loosened, the lower part of the first supporting rod 501 is pushed to rotate inwards under the action of the first torsion spring 502, the upper part rotates outwards, the reel 503 is driven to rotate reversely, the second supporting rod 506 is pulled inwards through the pull rope 505, the second supporting rod 506 moves inwards but does not rotate, the second torsion spring 507 is gradually restored to the original state, the reciprocating is carried out, and the effect of standing the placing plate 203 and the drawing paper is achieved, the user can draw and guide conveniently.

The ejection component 6 is further included, the ejection component 6 includes a wedge block 601, a second sliding rod 602, a second supporting block 603, a second grooved rod 604, a second roller 605, a fifth spring 606 and a connecting rod 607, the middle of the first supporting block 1 is slidably connected with the connecting rod 607, the upper side of the connecting rod 607 is connected with the wedge block 601, the lower portion of the connecting rod 607 is uniformly connected with three second sliding rods 602 at intervals, the outer side of the bottom of the first supporting block 1 is uniformly connected with three second supporting blocks 603, the lower portion of the second supporting block 603 is symmetrically and slidably connected with the second grooved rod 604, the inner side of the second grooved rod 604 and the second supporting block 603 are both connected with the fifth spring 606, the fifth spring 606 is sleeved on the second grooved rod 604, the second sliding rod 602 is both slidably connected with the two second grooved rods 604 on the same side, the outer side of the second grooved rod 604 is both rotatably connected with the second roller 605, and the second roller 605 is matched with the first.

The wedge block 601 is pushed to move downwards, the connecting rod 607 and the second sliding rod 602 are driven to move downwards, thereby pushing the second slot rod 604 to move outwards, the fifth spring 606 is compressed to drive the second roller 605 to move outwards, pushing the lower part of the first supporting rod 501 to move outwards, and finally supporting the first supporting block 1, the placing plate 203 and the drawing paper, when the device is not required to be supported, the wedge block 601 is released, the connecting rod 607 and the second sliding rod 602 are not pushed to move downwards any more, under the action of the fifth spring 606, the second grooved bar 604 and the second roller 605 are pushed to move inwards, the second roller 605 moves away from the first support bar 501, under the reset action, the support assembly 5 is restored to the original state, and simultaneously the second slot rod 604 moves inwards to push the second sliding rod 602, the connecting rod 607 and the wedge-shaped block 601 to move upwards, and is restored to the original state, reciprocating like this, reach and will place board 203 and the effect that drawing paper supported and stood laborsavingly more easily.

Still including pushing down subassembly 7, it is including guide block 701 to push down subassembly 7, kicking block 702, push rod 703 and sixth spring 704, bilateral symmetry is connected with guide block 701 in the middle of 1 upper portion of first supporting block, the inside all sliding connection of guide block 701 upside has push rod 703, push rod 703 outside upper portion is mutually supported with connecting rod 302, all be connected with sixth spring 704 between push rod 703 middle part and the guide block 701, sixth spring 704 overlaps on push rod 703, the push rod 703 inboard all is connected with kicking block 702, kicking block 702 mutually supports with wedge 601.

When connecting rod 302 moves to the inboard, will promote push rod 703 and kicking block 702 and move to the inboard, sixth spring 704 is compressed, kicking block 702 moves to after contacting wedge 601, will promote wedge 601 and move downwards, thereby drive the motion of kicking off subassembly 6 and supporting component 5, will place board 203 and drawing paper and support, when needing to take off the drawing paper, connecting rod 302 moves to the outboard and keeps away from kicking block 702, under the effect of sixth spring 704, promote kicking block 702 and move to the outboard and keep away from wedge 601, make kicking off subassembly 6 and supporting component 5 accomplish the motion that resets, resume to original state, so reciprocal, automatic effect of supporting the drawing paper when reaching fixed drawing paper, use manpower sparingly.

The adjusting device further comprises an adjusting assembly 8, the adjusting assembly 8 comprises a rotating groove block 801, a third torsion spring 802, a sliding block 803, a contact block 804, a third supporting block 805, a second clamping block 806, a seventh spring 807 and a rack 808, the lower portion of the second supporting rod 506 is rotatably connected with the rotating groove block 801, the third torsion spring 802 is symmetrically connected between the rotating groove block 801 and the second supporting rod 506, the sliding block 803 is slidably connected inside the rotating groove block 801, the rack 808 is connected to the lower portion of the sliding block 803, the third supporting block 805 is connected to two sides of the lower portion of the rotating groove block 801, the second clamping block 806 is slidably connected to the lower portion of the third supporting block 805, the second clamping block 806 is matched with the rack 808, the seventh spring 807 is connected between the middle portion of the second clamping block 806 and the third supporting block 805, the seventh spring 807 is sleeved on the clamping block, and the lower portion of the rack 808.

The second clamping block 806 is pulled to move outwards, the seventh spring 807 is compressed, the second clamping block 806 is separated from the rack 808, the rack 808 is loosened, the rack 808 can be pushed to move according to the height of drawing paper desired by a user, the contact block 804 is driven to move to a proper position, the second clamping block 806 is loosened, under the action of the seventh spring 807, the second clamping block 806 is pushed to move inwards, the second clamping block 806 is clamped into the rack 808 again, the rack 808 and the contact block 804 are fixed, the contact block 804 is placed on the ground, and the reciprocating operation is performed, so that the effect of easily adjusting the supporting height of the drawing paper is achieved, and the drawing and the guiding are better facilitated for the user.

It should be understood that this example is only for illustrating the present invention and is not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.

Claims

1. a drawing paper fixing device for art guidance, is characterized in that, comprises:

a first support block (1), the upper part of the first support block (1) is provided with a placement component (2);

a fixing component (3), a fixing component (3) is arranged on the placing component (2);

The locking assembly (4) is provided with a locking assembly (4) in the middle of the placing assembly (2).

2. A drawing paper fixing device for art tutoring according to claim 1, wherein the placing component (2) comprises:

a first support frame (201), the first support frame (201) is connected to the upper side of the first support block (1);

a guide rod (202), the guide rods (202) are slidably connected on both sides of the middle of the first support frame (201);

a placing plate (203), and a placing plate (203) is connected between one side of the guide rod (202);

The first spring (204) is symmetrically connected between one side of the placing plate (203) and the first support frame (201), and the first spring (204) is sleeved on the guide rod (202).

3. A drawing paper fixing device for art tutoring according to claim 2, wherein the fixing component (3) comprises:

a support groove block (301), and a support groove block (301) is symmetrically connected to the upper and lower sides of a part of the placing plate (203);

the connecting rod (302), and the connecting rod (302) is slidably connected to the inner and outer sides of the support groove block (301);

a first grooved rod (303), and a first grooved rod (303) is connected to the inner side of a part of the connecting rod (302);

The limit rod (307), and a part of the connecting rod (302) is slidably connected to the limit rod (307) on the inner side;

the first roller (304), the inner side of the limit rod (307) is rotatably connected with the first roller (304);

For the second spring (305), a second spring (305) is connected between the middle part of the limit rod (307) and the connecting rod (302), and the second spring (305) is sleeved on the limit rod (307);

The first sliding rod (306), the upper and lower sides of the first support frame (201) are symmetrically connected with a first sliding rod (306), and the first sliding rod (306) is slidably connected with the first groove rod (303).

4. A drawing paper fixing device for art tutoring according to claim 3, wherein the locking assembly (4) comprises:

a second support frame (401), a second support frame (401) is connected between two sides of a middle part of one side of the first support frame (201);

a first clamping block (402), a first clamping block (402) is symmetrically slidably connected to one side of the lower part of the second support frame (401), and the first clamping block (402) cooperates with the guide rod (202);

A third spring (403), a third spring (403) is connected between the middle of the first block (402) and the second support frame (401), and the third spring (403) is sleeved on the first block (402) superior;

a carriage (406), a carriage (406) is slidably connected to the upper part of one side of the second support frame (401);

the ejector rod (404), the lower side of the carriage (406) is connected with the ejector rod (404);

A fourth spring (405), a fourth spring (405) is symmetrically connected between the upper side of the carriage (406) and the second support frame (401), and the fourth spring (405) is sleeved on both sides of the carriage (406) .

5. A drawing paper fixing device for art tutoring according to claim 4, characterized in that it further comprises a support assembly (5), and the support assembly (5) includes:

a first support rod (501), and three first support rods (501) are connected to the first support block (1) in a rotating manner at uniform intervals;

a winding wheel (503), and a winding wheel (503) is connected to the middle of the transmission shaft of the first support rod (501);

a first torsion spring (502), a first torsion spring (502) is symmetrically connected between the first support rod (501) and the first support block (1);

The pulley (504), the inner side of the lower part of the first support rod (501) is symmetrically connected with the pulley (504) in a rotational manner;

The second support rod (506), the lower side of the first support rod (501) is rotatably connected with the second support rod (506);

a second torsion spring (507), a second torsion spring (507) is symmetrically connected between the second support rod (506) and the first support rod (501);

A pull rope (505) is connected between the reel (503) and the upper inner side of the second support rod (506), and the pull rope (505) bypasses the two pulleys (504) on the same side.

6. A drawing paper fixing device for art tutoring according to claim 5, characterized in that it further comprises a top-opening component (6), and the top-opening component (6) includes:

a connecting rod (607), a connecting rod (607) is slidably connected to the middle of the first support block (1);

a wedge-shaped block (601), a wedge-shaped block (601) is connected to the upper side of the connecting rod (607);

The second sliding rod (602), the lower part of the connecting rod (607) is evenly connected with three second sliding rods (602) at intervals;

a second support block (603), three second support blocks (603) are evenly connected to the outer side of the bottom of the first support block (1);

The second grooved rod (604), the lower part of the second support block (603) is symmetrically connected with the second grooved rod (604), and the second sliding rod (602) is connected with the two second grooved rods (604) on the same side sliding connection;

A fifth spring (606), a fifth spring (606) is connected between the inner side of the second grooved rod (604) and the second support block (603), and the fifth spring (606) is sleeved on the second grooved rod (604) superior;

A second roller (605) is rotatably connected to the outside of the second roller (605) and the second groove rod (604), and the second roller (605) cooperates with the first support rod (501).

7. A drawing paper fixing device for art tutoring according to claim 6, characterized in that it further comprises a pressing component (7), and the pressing component (7) comprises:

A guide block (701), a guide block (701) is symmetrically connected in the middle of the upper part of the first support block (1);

The push rod (703) is slidably connected with the push rod (703) inside the upper side of the guide block (701), and the outer upper part of the push rod (703) cooperates with the connecting rod (302);

the sixth spring (704), a sixth spring (704) is connected between the middle of the push rod (703) and the guide block (701), and the sixth spring (704) is sleeved on the push rod (703);

The top block (702) and the inner side of the push rod (703) are connected with a top block (702), and the top block (702) and the wedge block (601) cooperate with each other.

8. A drawing paper fixing device for art tutoring according to claim 7, characterized in that it further comprises an adjustment component (8), and the adjustment component (8) includes:

The rotating groove block (801), and the lower part of the second support rod (506) is rotatably connected with the rotating groove block (801);

A third torsion spring (802), a third torsion spring (802) is symmetrically connected between the rotary groove block (801) and the second support rod (506);

The slider (803) and the inside of the rotary groove block (801) are all slidably connected with the slider (803);

The rack (808) and the lower part of the slider (803) are connected with the rack (808);

The third support block (805), the lower two sides of the rotary groove block (801) are connected with the third support block (805);

The second clamping block (806) and the lower part of the third support block (805) are all slidably connected with a second clamping block (806), and the second clamping block (806) cooperates with the rack (808);

A seventh spring (807), a seventh spring (807) is connected between the middle of the second clamping block (806) and the third support block (805), and the seventh spring (807) is sleeved on the clamping block;

The contact block (804) and the lower part of the rack (808) are connected with the contact block (804).