CN221023087U

CN221023087U - Portable drawing board

Info

Publication number: CN221023087U
Application number: CN202322757960.XU
Authority: CN
Inventors: 邓臣祺
Original assignee: Xi'an Flamingo Culture Media Co ltd
Current assignee: Xi'an Flamingo Culture Media Co ltd
Priority date: 2023-10-13
Filing date: 2023-10-13
Publication date: 2024-05-28
Anticipated expiration: 2033-10-13

Abstract

The application belongs to the technical field of educational products, and discloses a portable drawing board which comprises a fixed rod, wherein an installation seat is fixedly arranged on the upper surface of the fixed rod, a drawing board fixing frame is arranged on the upper surface of the installation seat, a plurality of supporting feet are distributed on the bottom surface array of the installation seat and are rotatably connected with the installation seat, movable blocks are sleeved on the side walls of the fixed rod, connecting rods are rotatably connected to the side walls of the plurality of supporting feet, one ends of the connecting rods, far away from the supporting feet, are arranged on the side walls of the movable blocks, and an adjusting assembly for adjusting the height of a drawing board fixing frame is arranged on the installation seat. The application has the effect of reducing the working difficulty of the staff.

Description

Portable drawing board

Technical Field

The utility model relates to the technical field of educational products, in particular to a portable drawing board.

Background

The art painting is technically characterized in that a surface is used as a supporting surface, and colors are added on the supporting surface, wherein the surface can be paper or cloth, and a tool for adding the colors can be a painting brush, a sponge or a cloth strip. At the level of artistic expression, the meaning of art drawing also includes the use of this artistic behavior in combination with graphics, composition and other aesthetic methods to reach the concept and meaning that the artist wishes to express. The art drawing includes indoor association drawing and outdoor real object reference drawing, all need use drawing board for the art drawing.

With respect to the related art in the above, the inventors consider that there are the following drawbacks: the prior art drawing board is usually fixed on a bracket when in use. Subsequently, drawing is carried out on the drawing board, and at this in-process, the volume of support is great, and it is great to carry the degree of difficulty when the staff needs when outdoor use, and then is unfavorable for reducing staff's work degree of difficulty.

Disclosure of utility model

In order to solve the above problems, the present utility model provides a portable drawing board.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides a portable drawing board, includes the dead lever, the last fixed surface of dead lever is provided with the mount pad, the last surface mounting of mount pad has the drawing board mount, the bottom surface array of mount pad distributes and has a plurality of supporting legs, and is a plurality of the supporting legs all rotates with the mount pad to be connected, the cover is equipped with the movable block on the lateral wall of dead lever, and is a plurality of all rotate on the lateral wall of supporting legs and be connected with the connecting rod, a plurality of the one end that the supporting legs was kept away from to the connecting rod is all installed on the lateral wall of movable block, be provided with the adjusting part who is used for adjusting drawing board mount height on the mount pad.

Through adopting above-mentioned technical scheme, when the staff need draw in the open air, the staff need be through adjusting part to the height of drawing board mount adjust. Subsequently, the staff needs to slide the movable block downwards, and then the connecting rod rotates under the action of the movable block, so that the supporting legs rotate under the action of the connecting rod, and then the supporting legs are unfolded under the action of the connecting rod. At this moment, the staff fixes the drawing board on the drawing board mount and can begin the drawing, and at this in-process, adjusting part and rotatable supporting legs have reduced the volume of device, and then have reduced the degree of difficulty of staff carrying device.

Further, the lateral wall of mount pad has seted up the rotary groove, the holding tank has been seted up on the inner wall of rotary groove, the upper surface of mount pad runs through and has seted up logical groove, the spout just right with logical groove is seted up to the upper surface of dead lever, logical groove and holding tank intercommunication each other, adjusting part is including rotating the dwang that sets up in the rotary groove, fixed gear and the both ends that set up at the dwang terminal surface slide the rack that sets up in spout and logical inslot respectively, gear and rack intermeshing, the upper surface of rack and the bottom surface of drawing board mount are fixed each other.

Through adopting above-mentioned technical scheme, when the staff need adjust the height of drawing board mount, the staff need rotate the dwang, and then makes the gear follow dwang synchronous rotation under the effect of dwang to make the rack slide from top to bottom under the effect of gear, and then make the drawing board mount reciprocate under the effect of rack, thereby make drawing board mount reciprocate, and then accomplish the height adjustment to the drawing board mount.

Further, an external thread is arranged on the side wall of the fixed rod, an internal thread is arranged on the inner wall of the movable block, and the external thread is in threaded connection with the internal thread.

Through adopting above-mentioned technical scheme, when the staff need slide the movable block from top to bottom, the staff need rotate the movable block, and then makes the movable block reciprocate under the effect of internal thread and external screw thread, at this in-process, external screw thread and internal screw thread have reduced the movable block and have taken place gliding probability from top to bottom in the use, and then have reduced the supporting legs and take place the probability of rocking to the stability of device has been improved.

Further, the side wall of the movable block is sleeved with a rotary block, the rotary block is rotationally connected with the movable block, and one ends, far away from the supporting legs, of the connecting rods are rotationally connected with the rotary block.

Through adopting above-mentioned technical scheme, when the staff rotated the movable block, rotatory piece relatively rotated under the effect of movable block, at this in-process, the connecting rod has reduced the staff and has followed movable block pivoted probability when rotating the movable block to the stability of device has been improved.

Further, the bottom surface of dead lever is fixed to be provided with the limiting plate.

Through adopting above-mentioned technical scheme, limiting plate has reduced the during staff's rotation movable block, and the movable block is at the in-process of downwardly moving and the probability of dead lever mutual separation to the stability of device has been improved.

Furthermore, the bottom surface of supporting legs has seted up the telescopic hole, the downthehole telescopic link that slides is provided with of telescopic.

Through adopting above-mentioned technical scheme, when the staff need adjust the height of supporting legs, the staff accessible slip telescopic link is adjusted the height of supporting legs, and then has improved the practicality of device.

Further, the side wall of the supporting leg is connected with a bolt in a threaded mode, and the side wall of the bolt is in mutual abutting connection with the side wall of the telescopic rod.

Through adopting above-mentioned technical scheme, the bolt has reduced the degree of difficulty that the staff fixed telescopic link to the work degree of difficulty of staff has been reduced.

Further, a rocker arm is fixedly arranged on the side wall of the rotating rod far away from the gear.

Through adopting above-mentioned technical scheme, the rocking arm has reduced the degree of difficulty that the staff rotated the dwang to the work degree of difficulty of staff has been reduced.

In summary, the utility model has the following beneficial effects:

1. According to the application, when a worker needs to draw outdoors, the worker needs to adjust the height of the drawing board fixing frame through the adjusting component. Subsequently, the staff needs to slide the movable block downwards, and then the connecting rod rotates under the action of the movable block, so that the supporting legs rotate under the action of the connecting rod, and then the supporting legs are unfolded under the action of the connecting rod. At the moment, a worker can start drawing by fixing the drawing board on the drawing board fixing frame, and in the process, the adjusting component and the rotatable supporting legs reduce the volume of the device, so that the difficulty of carrying the device by the worker is reduced;

2. according to the application, when a worker needs to adjust the height of the drawing board fixing frame, the worker needs to rotate the rotating rod, so that the gear synchronously rotates along with the rotating rod under the action of the rotating rod, the rack slides up and down under the action of the gear, and the drawing board fixing frame moves up and down under the action of the rack, so that the drawing board fixing frame moves up and down, and the height of the drawing board fixing frame is adjusted;

3. According to the application, when a worker needs to slide the movable block up and down, the worker needs to rotate the movable block, so that the movable block moves up and down under the action of the internal thread and the external thread, in the process, the probability of the movable block sliding up and down in the use process is reduced by the external thread and the internal thread, and the probability of shaking of the supporting legs is further reduced, so that the stability of the device is improved.

Drawings

FIG. 1 is a schematic overall structure of an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of an adjustment assembly according to an embodiment of the present utility model;

fig. 3 is a schematic cross-sectional view of a telescopic rod according to an embodiment of the present utility model.

In the figure: 1. a fixed rod; 11. a mounting base; 12. drawing board fixing frame; 13. supporting feet; 14. a movable block; 15. a connecting rod; 2. a rotating groove; 21. a receiving groove; 22. a through groove; 23. a chute; 24. a telescopic hole; 3. an adjustment assembly; 31. a rotating lever; 32. a gear; 33. a rack; 4. an external thread; 41. an internal thread; 5. a rotating block; 6. a limiting plate; 7. a telescopic rod; 8. a bolt; 9. and (3) a rocker arm.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application; it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present application are within the protection scope of the present application.

As shown in fig. 1-3, the embodiment of the application discloses a portable drawing board, which comprises a fixed rod 1, a mounting seat 11, a drawing board fixing frame 12, supporting legs 13, a movable block 14, a connecting rod 15, an adjusting component 3, external threads 4, internal threads 41, a rotating block 5, a limiting plate 6 and a telescopic rod 7. The fixed rod 1 is of a round rod-shaped structure, and the axis of the fixed rod is vertical. The mounting seat 11 is of a cylindrical structure, the axis of the mounting seat is coincident with the axis of the fixed rod 1, and the mounting seat 11 is fixedly arranged on the upper surface of the fixed rod 1. The cross section of drawing board mount 12 takes the form of a U, and drawing board mount 12 is installed on the upper surface of mount pad 11. The supporting legs 13 are of rectangular rod-shaped structures, the supporting legs 13 are provided with a plurality of supporting legs 13 and distributed on the bottom surface of the mounting seat 11 in a circumferential array mode, and the supporting legs 13 are rotationally connected with the mounting seat 11. The cross section of the movable block 14 is in a circular shape, the axis of the movable block is coincident with the axis of the fixed rod 1, and the movable block 14 is sleeved on the side wall of the fixed rod 1. The connecting rod 15 is rectangular rod-shaped structure, and the connecting rod 15 is equipped with a plurality of and rotates the setting respectively on the lateral wall of a plurality of supporting legs 13, and the one end that a plurality of connecting rods 15 kept away from supporting legs 13 all installs on the lateral wall of movable block 14.

When the staff needs to draw outdoors, the staff needs to adjust the height of the drawing board fixing frame 12 through the adjusting component 3. Subsequently, the worker needs to slide the movable block 14 downwards, so that the connecting rod 15 rotates under the action of the movable block 14, and the supporting leg 13 rotates under the action of the connecting rod 15, so that the supporting leg 13 is unfolded under the action of the connecting rod 15. At this time, the staff fixes the drawing board on the drawing board mount 12 and can begin drawing, and in this process, the adjusting component 3 and the rotatable supporting legs 13 reduce the volume of the device, and then reduce the difficulty of carrying the device by the staff.

The side wall of the mounting seat 11 is provided with a rotary groove 2, the inner wall of the rotary groove 2 is provided with a containing groove 21, the upper surface of the mounting seat 11 is provided with a through groove 22 in a penetrating way, the upper surface of the fixing rod 1 is provided with a sliding groove 23 opposite to the through groove 22, and the through groove 22 is communicated with the containing groove 21. The adjusting component 3 is arranged on the mounting seat 11 and used for adjusting the height of the drawing board fixing frame 12, and the adjusting component 3 comprises a rotating rod 31, a gear 32 and a rack 33. The rotating rod 31 has a round rod-like structure, the axis of which is horizontal, and the rotating rod 31 is rotatably disposed in the rotating groove 2. The gear 32 is fixedly provided on an end surface of the rotation lever 31, and an axis thereof coincides with an axis of the rotation lever 31. Both ends of the rack 33 are slidably disposed in the slide groove 23 and the through groove 22, respectively, the gear 32 is engaged with the rack 33, and the upper surface of the rack 33 is fixed to the bottom surface of the drawing board fixing frame 12.

When the staff needs to adjust the height of the drawing board fixing frame 12, the staff needs to rotate the rotating rod 31, and then the gear 32 synchronously rotates along with the rotating rod 31 under the action of the rotating rod 31, so that the rack 33 slides up and down under the action of the gear 32, and then the drawing board fixing frame 12 moves up and down under the action of the rack 33, so that the drawing board fixing frame 12 moves up and down, and then the height of the drawing board fixing frame 12 is adjusted.

In order to improve the stability of the device, the side wall of the fixed rod 1 is provided with external threads 4, the inner wall of the movable block 14 is provided with internal threads 41, and the external threads 4 are in threaded connection with the internal threads 41. When the worker needs to slide the movable block 14 up and down, the worker needs to rotate the movable block 14, so that the movable block 14 moves up and down under the action of the internal thread 41 and the external thread 4, and in the process, the external thread 4 and the internal thread 41 reduce the probability of the movable block 14 sliding up and down in the using process, and further reduce the probability of shaking the supporting legs 13, so that the stability of the device is improved.

The cross section of the rotating block 5 is in a circular shape, the axis of the rotating block is coincident with the axis of the movable block 14, the rotating block 5 is sleeved on the side wall of the movable block 14, the rotating block 5 is rotationally connected with the movable block 14, and one ends of the connecting rods 15, far away from the supporting feet 13, are rotationally connected with the rotating block 5.

When the worker rotates the movable block 14, the rotary block 5 rotates relatively under the action of the movable block 14, and in the process, the probability that the connecting rod 15 follows the movable block 14 to rotate when the worker rotates the movable block 14 is reduced, so that the stability of the device is improved.

The limiting plate 6 is of a circular plate-shaped structure, the axis of the limiting plate is coincident with the axis of the fixed rod 1, and the limiting plate 6 is fixedly arranged on the bottom surface of the fixed rod 1.

The limiting plate 6 reduces the probability that the movable block 14 is separated from the fixed rod 1 in the downward moving process when the worker rotates the movable block 14, thereby improving the stability of the device.

The bottom surface of supporting legs 13 has seted up telescopic hole 24, and telescopic link 7 is rectangle shaft-like structure, and telescopic link 7 slides and sets up in telescopic hole 24.

When the height of the supporting legs 13 is required to be adjusted by the staff, the height of the supporting legs 13 can be adjusted by the staff through the sliding telescopic rod 7, and therefore the practicability of the device is improved.

In order to reduce the working difficulty of staff, the side wall of the supporting leg 13 is connected with a bolt 8 in a threaded mode, and the side wall of the bolt 8 is in mutual abutting connection with the side wall of the telescopic rod 7. The bolt 8 reduces the difficulty of fixing the telescopic rod 7 by the staff, thereby reducing the working difficulty of the staff.

In order to reduce the working difficulty of the staff, a rocker arm 9 is fixedly arranged on the side wall of the rotating rod 31 away from the gear 32. The rocker arm 9 reduces the difficulty of the worker to rotate the rotating lever 31, thereby reducing the work difficulty of the worker.

The use principle of the portable drawing board in this embodiment is as follows: when the staff needs to draw outdoors, the staff needs to adjust the height of the drawing board fixing frame 12 through the adjusting component 3. At this time, when the operator needs to adjust the height of the drawing board fixing frame 12, the operator needs to rotate the rotating rod 31, and then the gear 32 follows the rotating rod 31 to rotate synchronously under the action of the rotating rod 31, so that the rack 33 slides up and down under the action of the gear 32, and then the drawing board fixing frame 12 moves up and down under the action of the rack 33, so that the drawing board fixing frame 12 moves up and down, and then the height of the drawing board fixing frame 12 is adjusted. Subsequently, the worker needs to slide the movable block 14 downwards, so that the connecting rod 15 rotates under the action of the movable block 14, and the supporting leg 13 rotates under the action of the connecting rod 15, so that the supporting leg 13 is unfolded under the action of the connecting rod 15. At this time, the staff fixes the drawing board on the drawing board mount 12 and can begin drawing, and in this process, the adjusting component 3 and the rotatable supporting legs 13 reduce the volume of the device, and then reduce the difficulty of carrying the device by the staff.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. The utility model provides a portable drawing board, includes dead lever (1), characterized by: the utility model discloses a drawing board fixing device, including fixed lever (1), connecting rod (13), locating lever (1), drawing board fixing frame (12), locating lever (13), locating lever (1), locating lever (13), connecting rod (15), a plurality of upper surface mounting of locating lever (11) has drawing board mount (12), the bottom surface array of locating lever (11) distributes and has a plurality of supporting legs (13), a plurality of supporting legs (13) all rotate with locating lever (11) to be connected, the cover is equipped with movable block (14) on the lateral wall of fixed lever (1), a plurality of all rotate on the lateral wall of supporting legs (13) and be connected with connecting rod (15), a plurality of the one end that supporting legs (13) were kept away from to connecting rod (15) is all installed on the lateral wall of movable block (14), be provided with on locating lever (11) and be used for adjusting drawing board mount (12) high adjusting part (3).

2. The portable drawing board of claim 1, wherein: the utility model discloses a painting device is characterized in that a rotary groove (2) is formed in the side wall of an installation seat (11), an accommodating groove (21) is formed in the inner wall of the rotary groove (2), a through groove (22) is formed in the upper surface of the installation seat (11) in a penetrating mode, a chute (23) opposite to the through groove (22) is formed in the upper surface of a fixing rod (1), the through groove (22) and the accommodating groove (21) are communicated with each other, an adjusting assembly (3) comprises a rotary rod (31) arranged in the rotary groove (2) in a rotating mode, a gear (32) fixedly arranged on the end face of the rotary rod (31) and racks (33) with two ends respectively arranged in the chute (23) and the through groove (22) in a sliding mode, the gear (32) and the racks (33) are meshed with each other, and the upper surfaces of the racks (33) and the bottom surfaces of a drawing board fixing frame (12) are mutually fixed.

3. The portable drawing board of claim 1, wherein: external threads (4) are arranged on the side wall of the fixed rod (1), internal threads (41) are arranged on the inner wall of the movable block (14), and the external threads (4) are in threaded connection with the internal threads (41).

4. A portable drawing board according to claim 3, wherein: the side wall of the movable block (14) is sleeved with a rotary block (5), the rotary block (5) is rotationally connected with the movable block (14), and one ends, far away from the supporting legs (13), of the connecting rods (15) are rotationally connected with the rotary block (5).

5. The portable drawing board of claim 1, wherein: the bottom surface of dead lever (1) is fixed to be provided with limiting plate (6).

6. The portable drawing board of claim 1, wherein: the bottom surface of supporting legs (13) has seted up flexible hole (24), flexible hole (24) internal sliding is provided with telescopic link (7).

7. The portable drawing board of claim 6, wherein: the side wall of the supporting leg (13) is connected with a bolt (8) in a threaded mode, and the side wall of the bolt (8) is in mutual abutting connection with the side wall of the telescopic rod (7).

8. The portable drawing board of claim 2, wherein: the side wall of the rotating rod (31) far away from the gear (32) is fixedly provided with a rocker arm (9).