CN112617412A

CN112617412A - Multi-functional support frame of indoor fine arts drawing board

Info

Publication number: CN112617412A
Application number: CN202011472411.2A
Authority: CN
Inventors: 朱志美
Original assignee: Individual
Current assignee: Nanjing Lingyi Technology Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-04-09
Anticipated expiration: 2040-12-15
Also published as: CN112617412B

Abstract

The invention relates to a multifunctional support frame, in particular to a multifunctional support frame for an indoor art drawing board. The invention provides a multifunctional support frame for an indoor art drawing board, which is easy to fix, can automatically loosen the drawing board, automatically control the rotation of the drawing board and stabilize the drawing board under the condition of inclination. The utility model provides a multi-functional support frame of indoor fine arts drawing board, including: the two sides of the upper part of the base are symmetrically connected with supporting seats; the upper sides of the supporting seats are connected with connecting columns; the first support frame is connected between the connecting columns in a sliding manner; the rotating assembly is arranged on the upper part of the first support frame; the clamping assembly is arranged on one side of the rotating assembly. According to the invention, the first rotating shaft is driven to rotate by rotating the handle, and the second supporting frame and the drawing board are driven to rotate under the action of a series of meshing and rotating actions, so that the effect of automatically controlling and rotating the drawing board is achieved, and a user can draw pictures more conveniently.

Description

Multi-functional support frame of indoor fine arts drawing board

Technical Field

The invention relates to a multifunctional support frame, in particular to a multifunctional support frame for an indoor art drawing board.

Background

With the increasing living standard of people, people pay more and more attention to the cultivation of their interests, and the painting is just a popular interest and creation, and can be used for mastering the sentiment and is beneficial to physical and mental growth.

Traditional support frame, be exactly a fixed article that is used for supporting the drawing board, only can provide the function that supports the drawing board, this kind of support frame can only support but can not press from both sides tight fixed drawing board, it shakes very easily and makes the drawing board unstable or even fall to draw the in-process, the support frame of fixing simultaneously can not rotate the slope at will, make the drawing board can only be straightly placed on the support frame, cause a great deal of inconvenience to drawing, manually take up the drawing board, it also can't realize fixing the drawing board under the tilt state to rotate the drawing board through independently inclining, it consumes a large amount of physical power to hold stable drawing board for a long time.

Therefore, need design one kind easily fixed and can loosen the drawing board automatically, automatic control rotates the drawing board, and above-mentioned problem is solved to the multi-functional support frame of indoor fine arts drawing board of the drawing board that stabilizes under the condition of slope.

Disclosure of Invention

In order to overcome the defects that the existing support frame can not clamp and fix the drawing board, can not incline the drawing board, and needs to be held by hands for a long time to stabilize the drawing board, the technical problem of the invention is as follows: the utility model provides a light fixed and can loosen the drawing board automatically, automatic control rotates the drawing board, stabilizes the indoor fine arts drawing board multifunctional support frame of drawing board under the circumstances of slope.

The technical implementation scheme of the invention is as follows: the utility model provides a multi-functional support frame of indoor fine arts drawing board, including: the two sides of the upper part of the base are symmetrically connected with supporting seats; the upper sides of the supporting seats are connected with connecting columns; the first support frame is connected between the connecting columns in a sliding manner; the rotating assembly is arranged on the upper part of the first support frame; the clamping assembly is arranged on one side of the rotating assembly.

Further, the rotating assembly comprises: the first support rod is connected to one side of the upper part of the first support frame; the rotary disc is rotatably connected to one side of the first supporting rod; the handle is connected to one side of the upper part of the rotary table; the first rotating shaft is connected to one side of the middle part of the rotating disc and rotatably connected with the first support frame, and the first rotating shaft is positioned in the first support frame; the transmission shaft is rotatably connected between the two sides of the first support frame; the bevel gear component is connected between one side of the transmission shaft and one side of the first rotating shaft; the two sides of the transmission shaft are both connected with first gears; the second rotating shaft is rotatably connected between the two sides of the upper part of the first support frame and is positioned on the upper side of the transmission shaft; the two sides of the second rotating shaft are both connected with second gears which are meshed with the opposite first gears; and the second support frame is connected to the middle part of the second rotating shaft.

Further, the clamping assembly comprises: the two sides of the middle part of one side of the second support frame and the upper and lower sides of the middle part of the second support frame are connected with the first guide rods; the outer sides of the first guide rods are provided with sliding first racks; the clamping blocks are connected to the outer sides of the first racks and are connected with the corresponding first guide rods in a sliding mode; the first springs are connected between the inner sides of the clamping blocks and the second supporting frame and sleeved on the first guide rods; and the third gear is symmetrically and rotatably connected between the first support frame and the middle part of the second support frame, the third gear on one side is meshed with the first racks on the upper side and the lower side, and the third gear on the other side is meshed with the first racks on the other two sides.

Further, still including the footboard subassembly, the footboard subassembly includes: the second guide rod is connected to the middle of one side of the upper part of the base; the first connecting rod is connected to the upper side of the second guide rod in a sliding manner; the pedal is connected to the lower part of one side of the first connecting rod; and the second spring is connected between the first connecting rod and the base, and the second spring is sleeved on the second guide rod.

Further, still include pulling assembly, pulling assembly includes: the second connecting rod is rotatably connected between two sides of one part of the first connecting rod; the spring piece is connected to the second connecting rod; the roller is connected to the outer side of the spring piece; the pull rope is connected to the outer side of the roller in a surrounding mode, and the upper end of the pull rope is connected with the lower side clamping block; and the third connecting rod is connected between the two sides of the lower part of the second support frame and is matched with the pull rope.

Further, still include the rising subassembly, the rising subassembly includes: one side of the upper part of the base is symmetrically connected with a third guide rod; the upper sides of the second rack and the third guide rod are both connected with a second rack in a sliding manner, and the second rack is matched with a second gear; the middle part of the upper side of the base is symmetrically connected with a supporting plate; the outer sides of the upper parts of the supporting plates are rotatably connected with fourth gears, and the fourth gears are meshed with the second racks and the third racks; one side of the upper part of the base is symmetrically connected with a fourth guide rod; the upper sides of the third rack and the fourth guide rod are connected with a third rack in a sliding manner, and the inner side of the third rack is connected with the first support frame; and a third spring is connected between the third rack and the base, and the third spring is sleeved on the fourth guide rod.

Further, still including spacing subassembly, spacing subassembly is including: the periphery of one side of the first supporting rod is evenly connected with the balls in a sliding mode at intervals, and the balls are matched with the rotary table; and the fourth spring is connected between the ball and the first support rod.

Furthermore, two sides of the upper part of the first support frame are connected with storage boxes for storing painting tools such as paintbrushes and the like.

The invention has the following advantages: 1. according to the invention, any clamping block is pushed to move outwards to drive the first rack to move outwards and drive the first gear to rotate, and under the meshing action, the rest first rack is driven to move outwards to drive the rest clamping blocks to move outwards, the drawing board is placed on the inner sides of the clamping blocks, the clamping blocks are loosened, and under the action of the first spring and the meshing action, the clamping blocks move inwards to clamp and fix the drawing board, so that the effect of conveniently clamping and fixing the drawing board is achieved.

2. According to the invention, the first rotating shaft is driven to rotate by rotating the handle, and the second supporting frame and the drawing board are driven to rotate under the action of a series of meshing and rotating actions, so that the effect of automatically controlling and rotating the drawing board is achieved, and a user can draw pictures more conveniently.

3. According to the drawing board taking-off device, the first connecting rod and the second connecting rod are driven to move downwards by stepping on the presser foot pedal, so that the roller is driven to rotate, the pull rope is pulled to move downwards, the lower clamping blocks are driven to move downwards, all the clamping blocks are finally driven to move outwards, the drawing board is loosened, the effect of easily taking off the drawing board is achieved, the clamping blocks do not need to be pushed to move manually, manpower is saved, and the drawing board taking-off device is more convenient and fast.

4. According to the invention, the first gear rotates to drive the connecting rod at the upper part of the first gear to push the second rack to move downwards, and under the meshing action, the third rack is driven to move upwards to drive the first support frame to move upwards, so that the second support frame and the drawing board are driven to move upwards, the effect of automatically lifting the drawing board is achieved, and the drawing board can also move upwards to a proper position for drawing in an inclined state, so that the drawing board is prevented from bending over.

5. According to the invention, the drawing board is driven to rotate by holding the handle, the handle is pushed to move backwards after the drawing board rotates to a proper position, the ball is clamped in the handle, and the handle and the turntable are fixed, so that the drawing board is fixed, the inclined drawing board is conveniently fixed, the effort of a user for manually stabilizing the drawing board is saved, and the labor is saved.

Drawings

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

Fig. 2 is a schematic cross-sectional view of the rotating assembly and a schematic perspective view of the clamping assembly according to the present invention.

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

FIG. 4 is an enlarged schematic view of the present invention B.

FIG. 5 is a perspective view of the pedal assembly and the pulling assembly of the present invention.

FIG. 6 is an enlarged schematic view of the present invention C.

Fig. 7 is a schematic perspective view of the ascending assembly according to the present invention.

Fig. 8 is a partial cross-sectional structural schematic view of a rotating assembly of the present invention.

In the above drawings: 1: base, 2: first support frame, 21: supporting seat, 22: connecting column, 3: rotating assembly, 31: first support bar, 32: turntable, 33: a handle, 34: bevel gear assembly, 35: drive shaft, 36: first gear, 37: second support frame, 38: second gear, 39: first rotating shaft, 310: second rotation shaft, 4: clamping assembly, 41: first guide bar, 42: first rack, 43: clamping block, 44: first spring, 45: third gear, 5: pedal assembly, 51: second guide bar, 52: first link, 53: foot pedal, 54: second spring, 6: pulling assembly, 61: second link, 62: drum, 63: spring plate, 64: a pull rope, 65: third link, 7: ascending assembly, 71: third guide bar, 72: second rack, 73: support plate, 74: fourth gear, 75: fourth guide bar, 76: third rack, 77: third spring, 8: spacing subassembly, 81: fourth spring, 82: and a ball.

Detailed Description

Reference herein to an embodiment means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Example 1

The utility model provides a multi-functional support frame of indoor fine arts drawing board, as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 7 show, including base 1, first support frame 2, a supporting seat 21, spliced pole 22, rotating assembly 3 and clamping component 4, the equal bilateral symmetry in both sides is connected with supporting seat 21 around the 1 upper portion of base, supporting seat 21 upside all is connected with spliced pole 22, sliding connection has first support frame 2 between the spliced

pole

22, 2 upper portions of first support frame are equipped with rotating

assembly

3, 3 rear sides of rotating assembly are equipped with clamping component 4.

The rotating component 3 comprises a first supporting rod 31, a rotating disc 32, a handle 33, a bevel gear component 34, a transmission shaft 35, a first gear 36, a second supporting frame 37, a second gear 38, a first rotating shaft 39 and a second rotating shaft 310, the first supporting rod 31 is connected with the right side of the upper part of the first supporting frame 2, the rotating disc 32 is rotatably connected with the front side of the first supporting rod 31, the handle 33 is connected with the front side of the upper part of the rotating disc 32, the first rotating shaft 39 is connected with the rear side of the middle part of the rotating disc 32, the first rotating shaft 39 is rotatably connected with the first supporting frame 2, the first rotating shaft 39 is positioned in the first supporting frame 2, the transmission shaft 35 is rotatably connected between the left side and the right side of the first supporting frame 2, the bevel gear component 34 is connected between the right side of the transmission shaft 35 and the rear side of the first rotating shaft 39, the left side and the right side, the second rotating shafts 310 are located on the upper side of the transmission shaft 35, the second rotating shafts 310 are connected with second gears 38, the second gears 38 are meshed with the first gears 36, and second supporting frames 37 are connected between the second rotating shafts 310 on the left side and the right side.

The clamping assembly 4 comprises a first guide rod 41, a first rack 42, a clamping block 43, a first spring 44 and a third gear 45, the left and right sides of the middle part of the front side of the second support frame 37 and the upper and lower sides of the middle part are connected with the first guide rod 41, the first rack 42 is in a sliding mode on the outer side of the first guide rod 41, the clamping block 43 is in a sliding mode with the first guide rod 41, the first spring 44 is connected between the inner side of the clamping block 43 and the second support frame 37, the first spring 44 is sleeved on the first guide rod 41, the third gear 45 is in a front-back symmetrical rotating mode between the middle parts of the first support frame 2 and the second support frame 37, the third gear 45 on the front side is meshed with the first rack 42 on the upper and lower sides, and the third gear 45 on the rear side is meshed with the first rack 42 on the left and right sides.

When a user needs to draw a picture by using the supporting frame, firstly, any clamping block 43 is pushed to move outwards, for example, the clamping block 43 on the right side is pushed to move rightwards, the first spring 44 on the upper right side is stretched to drive the first rack 42 on the lower side to move rightwards, the third gear 45 on the front side is meshed with the first racks 42 on the upper side and the lower side, so that the third gear 45 on the front side is driven to rotate, thereby driving the first rack 42 on the left side and the clamping block 43 on the left side to move leftwards, the third gear 45 on the front side also drives the third gear 45 on the rear side to rotate, because the third gear 45 on the rear side is meshed with the first racks 42 on the left side and the right side, the first racks 42 on the left side and the clamping blocks 43 on the left side and the right side are driven to move outwards, the first springs 44 are stretched to move the drawing board to the inner side of the four clamping blocks 43, the clamping block 43 on the right side is released, thereby driving the first rack 42 on the lower side to move leftwards, and as the same principle, under the engagement action, finally driving the remaining three clamping blocks 43 to move inwards, retracting the first spring 44 and clamping and fixing the drawing board, holding the handle 33, rotating the handle 33, driving the rotating disc 32 and the first rotating shaft 39 to rotate, thereby driving the bevel gear assembly 34 to rotate, further driving the transmission shaft 35 and the first gear 36 to rotate, since the first gear 36 and the second gear 38 are engaged with each other, thereby driving the second gear 38 to rotate, thereby driving the second rotating shaft 310 and the second supporting frame 37 to rotate, further driving the clamping blocks 43 and the fixed drawing board to rotate through the first guide rod 41, after the drawing board is used, similarly driving any one clamping block 43 to move outwards, finally driving the remaining clamping block 43 to move outwards, loosening the drawing board, and removing the clamping block 43 without pushing the clamping block 43, under the effect of first spring 44, promote this clamp splice 43 and move to the inboard, drive remaining clamp splice 43 again and move to the inboard, resume original state, so reciprocal, reach the effect that the drawing board can independently be controlled to rotate simultaneously to the simple and convenient drawing board that presss from both sides, it is more convenient to let the user draw a picture.

Example 2

On the basis of embodiment 1, as shown in fig. 5, 6, 7 and 8, the pedal assembly 5 further includes a pedal assembly 5, the pedal assembly 5 includes a second guide rod 51, a first link 52, a pedal plate 53 and a second spring 54, the second guide rod 51 is connected to the middle of the front side of the upper portion of the base 1, the first link 52 is connected to the upper side of the second guide rod 51 in a sliding manner, the pedal plate 53 is connected to the lower portion of the front side of the first link 52, the second spring 54 is connected between the first link 52 and the base 1, and the second spring 54 is sleeved on the second guide rod 51.

Still including pulling subassembly 6, pulling subassembly 6 is including second connecting rod 61, cylinder 62, spring leaf 63, stay cord 64 and third connecting rod 65, the rotary type is connected with second connecting rod 61 between the left and right sides of first connecting rod 52 rear portion, be connected with spring leaf 63 on the second connecting rod 61, the spring leaf 63 outside is connected with cylinder 62, the cylinder 62 outside encircles the formula and is connected with stay cord 64, stay cord 64 upper end is connected with downside clamp splice 43, be connected with third connecting rod 65 between the left and right sides of second support frame 37 lower part, third connecting rod 65 and stay cord 64 mutually support.

When the second supporting frame 37 rotates clockwise, the third link 65 and the clamping block 43 are driven to rotate clockwise, so that the upper part of the pull rope 64 abuts against the third link 65, when the drawing board rotates to an inclined state and the drawing is finished, the foot pedal 53 is pressed to drive the first link 52 and the second link 61 to move downwards, the second spring 54 is compressed, the roller 62 is driven to rotate under the action of the spring piece 63, so that the pull rope 64 is pulled downwards, the pull rope 64 is wound on the roller 62, the clamping block 43 on the lower side is driven to move downwards obliquely under the assistance of the third link 65, finally the remaining three clamping blocks 43 are driven to move outwards, the drawing board can be taken down, then the foot pedal 53 is not pressed again, the first link 52 is driven to move upwards and the second link 61 is driven to move upwards under the action of the second spring 54, the roller 62 is driven to rotate reversely under the action of the spring piece 63, no longer pulling stay cord 64 downwards, downside clamp splice 43 is under the effect of first spring 44, and upward movement drives three remaining clamp splices 43 and moves to the inboard, resumes to original state, so reciprocal, has reached the effect of light drawing board of taking off, need not the manual clamp splice 43 removal of pushing away again, uses manpower sparingly, and is more convenient.

The lifting assembly 7 comprises a third guide rod 71, a second rack 72, a support plate 73, a fourth gear 74, a fourth guide rod 75, a third rack 76 and a third spring 77, the rear side of the upper part of the base 1 is bilaterally and symmetrically connected with the third guide rod 71, the upper side of the third guide rod 71 is connected with the second rack 72 in a sliding manner, the middle part of the upper side of the base 1 is connected with the support plate 73 in a bilaterally and symmetrically manner, the outer side of the upper part of the support plate 73 is connected with the fourth gear 74 in a rotating manner, the front side of the upper part of the base 1 is connected with the fourth guide rod 75 in a bilaterally and symmetrically manner, the upper side of the fourth guide rod 75 is connected with the third rack 76 in a sliding manner, the inner side of the third rack 76 is connected with the first support frame 2, the third spring 77 is connected between the third rack 76 and the base 1, the third spring 77 is sleeved on the fourth guide rod, the second rack 72 is interfitted with the second gear 38.

The second rotating shaft 310 rotates clockwise to drive the connecting rod on the upper side of the second gear 38 to rotate clockwise, thereby pushing the second rack 72 to move downwards, the fourth gear 74 is meshed with the second rack 72 and the third rack 76, thereby driving the fourth gear 74 to rotate and driving the third rack 76 to move upwards, the third spring 77 is stretched to drive the first supporting frame 2 to move upwards, thereby driving the second supporting frame 37 and the drawing board to move upwards while rotating clockwise, so that a user can conveniently draw a picture, after the drawing is completed, the handle 33 is held to rotate in the opposite direction, the second supporting frame 37 and the drawing board are driven to rotate anticlockwise to the original position, the connecting rod on the upper portion of the second gear 38 is driven to be far away from the second rack 72, under the action of the third spring 77, the third rack 76 and the first supporting frame 2 are pushed to move downwards to drive the second supporting frame 37 and the drawing board to move downwards, the third rack 76 moves downwards to drive the fourth rack 74 to rotate reversely, and then drive second rack 72 and upwards remove, resume to original state, so reciprocal reaches the effect of automatic rising drawing board for the drawing board also can move up to suitable position and be used for drawing under the state of slope, avoids bowing.

The support device further comprises a limiting assembly 8, the limiting assembly 8 comprises a fourth spring 81 and balls 82, the balls 82 are connected to the periphery of the front side of the first support rod 31 in a sliding mode at intervals, the balls 82 are matched with the rotary table 32, and the fourth spring 81 is connected between each ball 82 and the first support rod 31.

The handle 33 is rotated to drive the rotary table 32 to rotate, when the opening at the rear side of the rotary table 32 is not aligned with the ball 82, the ball 82 is extruded to move backwards, the fourth spring 81 is compressed, after the second support frame 37 and the drawing board rotate to proper positions, the opening at the rear side of the rotary table 32 just rotates to be aligned with the ball 82, under the action of the fourth spring 81, the ball 82 is pushed to move forwards to be clamped into the rotary table 32, the rotary table 32 and the first support rod 31 are fixed together, the second support frame and the drawing board are fixed, the operation is repeated, the inclined drawing board can be conveniently fixed, the labor of a user for manually stabilizing the drawing board is saved, and the labor is saved.

Although embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.

Claims

1. The utility model provides a multi-functional support frame of indoor fine arts drawing board, characterized by, including:

the device comprises a base (1), wherein two sides of the upper part of the base (1) are symmetrically connected with supporting seats (21);

the upper sides of the support seats (21) are connected with the connecting columns (22);

the first support frames (2), the first support frames (2) are connected between the connecting columns (22) in a sliding manner;

the rotating assembly (3), the rotating assembly (3) is arranged on the upper part of the first support frame (2);

the clamping assembly (4), the clamping assembly (4) sets up in rotating component (3) one side.

2. The multifunctional support frame for the indoor art drawing board as claimed in claim 1, wherein the rotating assembly (3) comprises:

the first support rod (31), the first support rod (31) is connected to one side of the upper part of the first support frame (2);

the rotary disc (32), the rotary disc (32) is connected to one side of the first supporting rod (31) in a rotary mode;

the handle (33), the handle (33) is connected to one side of the upper part of the rotating disc (32);

the first rotating shaft (39) is connected to one side of the middle of the rotating disc (32), the first rotating shaft (39) is rotatably connected with the first support frame (2), and the first rotating shaft (39) is located inside the first support frame (2);

the transmission shaft (35) is rotatably connected between the two sides of the first support frame (2);

the bevel gear component (34), the bevel gear component (34) is connected between one side of the transmission shaft (35) and one side of the first rotating shaft (39);

the two sides of the transmission shaft (35) are connected with the first gear (36);

the second rotating shaft (310) is rotatably connected between the two sides of the upper part of the first support frame (2), and the second rotating shaft (310) is positioned on the upper side of the transmission shaft (35);

the two sides of the second rotating shaft (310) are connected with the second gears (38), and the second gears (38) are meshed with the first gears (36) which are opposite;

and the second support frame (37), and the second support frame (37) is connected to the middle part of the second rotating shaft (310).

3. The multifunctional support frame for the indoor art drawing board as claimed in claim 2, wherein the clamping assembly (4) comprises:

the two sides of the middle part of one side of the second support frame (37) and the upper and lower sides of the middle part of the second support frame (37) are connected with the first guide rods (41);

the first rack (42) is arranged on the outer side of the first guide rod (41) in a sliding mode;

the clamping blocks (43) are connected to the outer sides of the first racks (42), and the clamping blocks (43) are connected with the first guide rods (41) in a sliding mode;

the first springs (44) are connected between the inner sides of the clamping blocks (43) and the second supporting frame (37), and the first springs (44) are sleeved on the first guide rods (41);

and the third gear (45) is connected between the middle parts of the first support frame (2) and the second support frame (37) in a symmetrical and rotating mode, the third gear (45) on one side is meshed with the first racks (42) on the upper side and the lower side, and the third gear (45) on the other side is meshed with the first racks (42) on the remaining two sides.

4. The multifunctional support frame for the indoor art drawing board as claimed in claim 3, which further comprises a pedal assembly (5), wherein the pedal assembly (5) comprises:

the second guide rod (51), the second guide rod (51) is connected to the middle of one side of the upper part of the base (1);

a first connecting rod (52), wherein the first connecting rod (52) is connected to the upper side of the second guide rod (51) in a sliding manner;

a pedal (53), wherein the pedal (53) is connected to the lower part of one side of the first connecting rod (52);

and the second spring (54), the second spring (54) is connected between the first connecting rod (52) and the base (1), and the second spring (54) is sleeved on the second guide rod (51).

5. The multifunctional support frame for the indoor art drawing board as claimed in claim 4, wherein the multifunctional support frame further comprises a pulling assembly (6), and the pulling assembly (6) comprises:

a second connecting rod (61), wherein the second connecting rod (61) is rotatably connected between two sides of one part of the first connecting rod (52);

a spring piece (63), wherein the spring piece (63) is connected to the second connecting rod (61);

the roller (62), the roller (62) is connected to the outside of the spring piece (63);

the pull rope (64), the pull rope (64) is connected to the outer side of the roller (62) in a surrounding mode, and the upper end of the pull rope (64) is connected with the lower clamping block (43);

and the third connecting rod (65), the third connecting rod (65) is connected between the two sides of the lower part of the second supporting frame (37), and the third connecting rod (65) is matched with the pull rope (64).

6. An indoor fine arts drawing board multifunctional support frame according to claim 5, characterized by, still including rising subassembly (7), rising subassembly (7) including:

a third guide rod (71), wherein one side of the upper part of the base (1) is symmetrically connected with the third guide rod (71);

the upper sides of the second rack (72) and the third guide rod (71) are both connected with the second rack (72) in a sliding mode, and the second rack (72) is matched with the second gear (38);

the middle part of the upper side of the base (1) is symmetrically connected with the supporting plate (73);

the outer side of the upper part of the supporting plate (73) is rotatably connected with a fourth gear (74), and the fourth gear (74), the second rack (72) and the third rack (76) are meshed with each other;

a fourth guide rod (75) is symmetrically connected to one side of the upper part of the base (1);

the upper sides of the fourth guide rods (75) are connected with third racks (76) in a sliding mode, and the inner sides of the third racks (76) are connected with the first support frame (2);

and a third spring (77) is connected between the third rack (76) and the base (1), and the third spring (77) is sleeved on the fourth guide rod (75).

7. The multifunctional support frame for the indoor art drawing board as claimed in claim 6, wherein the multifunctional support frame further comprises a limiting component (8), and the limiting component (8) comprises:

the balls (82), the balls (82) are evenly connected to the periphery of one side of the first supporting rod (31) in a sliding mode at intervals, and the balls (82) are matched with the turntable (32);

and the fourth spring (81) is connected between the ball (82) and the first support rod (31).

8. The multifunctional support frame for the indoor art drawing board as claimed in claim 1, wherein two sides of the upper part of the first support frame (2) are connected with storage boxes for placing drawing tools such as paintbrushes.