Drawing device

Abstract

The utility model belongs to the technical field of civil engineering, and particularly relates to a drawing device which comprises a drawing board and supporting legs, the supporting legs are fixedly installed on the periphery of the bottom of the drawing board, and the drawing device is arranged on the top of the drawing board and comprises a pressing mechanism, a protection mechanism and an adjusting mechanism. The pressing mechanism is arranged at the top of the drawing board, the protection mechanism is arranged above the drawing board, and the adjusting mechanism is arranged at the bottoms of the supporting legs. According to the drawing device, the pressing mechanism is arranged, the left moving plate and the right moving plate slide along the drawing plate, the distance between the left moving plate and the right moving plate is adjusted, then drawings of different sizes are pressed and fixed, use is convenient, practicability is high, the protection mechanism is arranged, protection cloth is unfolded, and the protection cloth is located above the drawings, so that the practicability is high. The drawing paper is protected, and stains or impurities on the drawing paper are prevented from damaging the drawing paper on the drawing board.

Description

TECHNICAL FIELD

[0001] The utility model relates to civil engineering technical field, concretely is a drawing device. BACKGROUND

[0002] The engineering budget is the plan of the income and expenditure of the engineering project in the future certain period, it can be through the currency form to evaluate the input of the engineering project and reflect the economic effect of the engineering, it is the basis of strengthening enterprise management, implementing economic accounting, examining engineering cost, preparing construction plan.

[0003] But the existing drawing device cannot extend the length of the device in the actual use process, so that the device cannot completely unfold the drawing paper when placing the drawing paper, and the staff needs to repeatedly fold the drawing paper to calculate the engineering budget, resulting in certain error of the budget result, and the device cannot effectively place the completed drawing paper, so that other staff needs to place the drawing paper in hand, not only wasting other manpower but also delaying the drawing time, and the device cannot illuminate the workbench by itself when used in the environment with relatively dark light, so that manual or other illumination is needed for illumination, and the device cannot adjust the light source angle after illumination, so that the illumination effect of the device is poor, and the device has large limitation in use, which is not conducive to actual use.

[0004] The drawing device disclosed by the announcement number CN214855169U can extend the length of the device by pulling the handle to extract the extension plate from the opening of the device, so that the device can completely unfold the drawing paper when placing the drawing paper, and the staff does not need to repeatedly fold the drawing paper to calculate the engineering budget, ensuring the accuracy of the budget result, and the completed drawing paper can be placed in the drawing paper box by pulling the cover plate, so that other staff does not need to place the drawing paper in hand, not only avoiding wasting other manpower but also saving the drawing time.

[0005] But the device cannot fix different sizes of drawing paper in the use process, and the practicability is low.

[0006] Therefore, we urgently need to provide a drawing device. CONTENT OF THE UTILITY MODEL

[0007] The utility model aims at providing a drawing device to solve the problem of low practicability that the device cannot fix different sizes of drawing paper in the use process.

[0008] In order to achieve the above object, the utility model provides the following technical scheme: a drawing device, including drawing board and support leg, the support leg fixed mounting in the drawing board bottom four around, the drawing board top is provided with drawing device, the drawing device includes compression mechanism, protection mechanism and adjusting mechanism.

[0009] The compression mechanism is arranged on the top of the drawing board, the protection mechanism is arranged above the drawing board, and the adjusting mechanism is arranged at the bottom of the support leg.

[0010] The compression mechanism includes a moving plate, a spring one, a pressing plate, a handle, a connecting plate, a pressing rod, a pressing plate, a clamping block, a rack and a spring two, the number of moving plate is two, and the moving plate is slidably connected to the front and rear sides of the drawing board, the spring one is fixedly installed at the top of the moving plate, the pressing plate is fixedly installed at the bottom of the spring one, the handle is fixedly installed at the top of the pressing plate, the connecting plate is fixedly installed on the front of the moving plate, the pressing rod is slidably connected to the inside of the connecting plate, the pressing plate is fixedly installed at the top of the pressing rod, the clamping block is fixedly installed at the bottom of the pressing rod, the rack is fixedly installed at the bottom of the drawing board, and the spring two is installed between the connecting plate and the pressing plate and located outside the pressing rod.

[0011] Preferably, the drawing board is provided with a sliding groove on the front and rear sides, and the front and rear ends of the two moving plates are slidably connected to the inner wall of the sliding groove, so that the distance between the two moving plates can be adjusted, and the drawing paper of different lengths can be compressed.

[0012] Preferably, the size of the tooth groove on the rack is equal to that of the clamping block, and the clamping block is connected with the rack, the clamping block is driven downward by the pressing rod to move downward, the clamping block is separated from the rack, the moving plate can be moved, the pressing plate is released when the moving plate moves to the appropriate position, the pressing plate is driven to move upward by the spring two, the clamping block is connected with the rack, the position of the moving plate is fixed, and the stability of the drawing paper fixed by the pressing plate is improved.

[0013] Preferably, the protection mechanism includes a side plate, a motor, a winding roller, a protective cloth, a hook and a hanging ring, the side plate is fixedly installed on the right side of the left end moving plate, the motor is fixedly installed on the back of the rear end side plate, the protective cloth is wound on the outer surface of the winding roller, the hook is fixedly installed on the right side of the protective cloth, and the hanging ring is fixedly installed on the left side of the right end moving plate.

[0014] Preferably, a connecting hole is formed in the hanging ring, the hook can be hung with the connecting hole, the protective cloth is unwound by starting the motor, the protective cloth is unfolded, the hook is connected with the hanging ring, so that the protective cloth is located above the drawing paper, the drawing paper is protected, and the drawing paper on the drawing board is prevented from being damaged by stains or impurities above when not in use.

[0015] Preferably, the adjusting mechanism comprises a threaded rod and a base, the threaded rod is threadedly connected to the inside lower end of the supporting leg, and the base is fixedly installed at the bottom of the threaded rod.

[0016] Preferably, an internal thread is formed in the inside lower end of the supporting leg, and the threaded rod is threadedly connected to the inside of the supporting leg, so that when the drawing board shakes due to uneven ground, the base is moved up and down along the supporting leg by rotating the base to drive the threaded rod to threadedly connect with the supporting leg, thereby adjusting the horizontal height of the drawing board and preventing shaking during drawing.

[0017] Compared with the prior art, the drawing device has the following beneficial effects:

[0018] 1. The drawing device, by setting the pressing mechanism, adjusting the distance between the left and right two moving plates by sliding along the drawing board, and then realizing the pressing and fixing of different sizes of drawing paper, is convenient to use and has high practicability.

[0019] 2. The drawing device, by setting the protection mechanism, by unfolding the protective cloth, the protective cloth is located above the drawing paper to protect the drawing paper and prevent the upper stains or impurities from damaging the drawing paper on the drawing board. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is a schematic diagram of the local structure of the pressing mechanism of the utility model;

[0022] Figure 3 It is a schematic diagram of the connection structure of the pressing mechanism and the protection mechanism of the utility model;

[0023] Figure 4 It is Figure 3 It is an enlarged view of A in the middle.

[0024] In the drawing: 1, drawing board; 2, supporting leg; 301, moving plate; 302, spring one; 303, pressing plate; 304, handle; 305, connecting plate; 306, pressing rod; 307, pressing plate; 308, clamping block; 309, rack; 310, spring two; 401, side plate; 402, motor; 403, winding roller; 404, protective cloth; 405, hook; 406, hanging ring; 501, threaded rod; 502, base. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0026] Embodiment one:

[0027] Based on the problem that the prior art cannot fix different sizes of drawing paper during use and has low practicability, please refer to Figures 1-4 The embodiment provides a drawing device which can tightly fix different sizes of drawing paper and is convenient to use and has high practicability. The drawing device comprises a drawing board 1 and supporting legs 2, the supporting legs 2 are fixedly installed around the bottom of the drawing board 1, the top of the drawing board 1 is provided with a drawing device, and the drawing device comprises a pressing mechanism, a protection mechanism and an adjusting mechanism.

[0028] The pressing mechanism is arranged on the top of the drawing board 1, the protection mechanism is arranged above the drawing board 1, and the adjusting mechanism is arranged at the bottom of the supporting leg 2.

[0029] The pressing mechanism comprises two moving plates 301, a spring 302, a pressing plate 303, a handle 304, a connecting plate 305, a pressing rod 306, a pressing plate 307, a clamping block 308, a rack 309 and a spring 310. The two moving plates 301 are slidably connected to the front and rear sides of the drawing board 1, and the front and rear sides of the drawing board 1 are provided with sliding grooves. The front and rear ends of the two moving plates 301 are slidably connected to the inner walls of the sliding grooves, so that the distance between the two moving plates 301 can be adjusted, and the drawing paper of different lengths can be pressed. The spring 302 is fixedly installed at the top of the moving plate 301. The pressing plate 303 is fixedly installed at the bottom of the spring 302. The handle 304 is fixedly installed at the top of the pressing plate 303. The connecting plate 305 is fixedly installed on the front of the moving plate 301. The pressing rod 306 is slidably connected to the inside of the connecting plate 305. The pressing plate 307 is fixedly installed at the top of the pressing rod 306. The clamping block 308 is fixedly installed at the bottom of the pressing rod 306. The rack 309 is fixedly installed at the bottom of the drawing board 1. The size of the tooth groove on the rack 309 is equal to that of the clamping block 308, and the clamping block 308 is clamped with the rack 309. By pushing the pressing plate 307 downward, the clamping block 308 is driven to move downward through the pressing rod 306, so that the clamping block 308 is separated from the rack 309. At this time, the moving plate 301 can be moved. When the moving plate 301 is moved to the appropriate position, the pressing plate 307 is loosened, and the clamping block 308 is driven to move upward and be clamped with the rack 309 under the action of the spring 310, so that the position of the moving plate 301 is fixed, the stability of the pressing plate 303 in fixing the drawing paper is improved, and the spring 310 is installed between the connecting plate 305 and the pressing plate 307 and located outside the pressing rod 306.

[0030] Embodiment two:

[0031] On the basis of embodiment one, please refer to Figures 1-4 After the drawing paper is drawn, the drawing paper is placed on the drawing board 1. In order to prevent stains or impurities from falling from above to the drawing board 1 and causing damage to the drawing paper, the device further comprises a protection mechanism. The protection mechanism comprises side plates 401, a motor 402, a winding roller 403, a protective cloth 404, hooks 405 and a hanging ring 406. The side plates 401 are fixedly installed on the right side of the left moving plate 301. The motor 402 is fixedly installed on the back of the rear side plate 401. The protective cloth 404 is wound on the outer surface of the winding roller 403. The hooks 405 are fixedly installed on the right side of the protective cloth 404. The hanging ring 406 is fixedly installed on the left side of the right moving plate 301. The hanging ring 406 is provided with a connecting hole in the inside. The hooks 405 can be hung with the connecting hole. By starting the motor 402, the protective cloth 404 is unwound, so that the protective cloth 404 is unfolded, and the hooks 405 are connected with the hanging ring 406, so that the protective cloth 404 is located above the drawing paper, and the drawing paper is protected, preventing stains or impurities above from damaging the drawing paper on the drawing board 1 when not in use.

[0032] Embodiment three:

[0033] On the basis of embodiment one, please refer to Figure 1 , in order to prevent the drawing board 1 from shaking when drawing, the device is also provided with an adjusting mechanism, the adjusting mechanism comprises a threaded rod 501 and a base 502, the threaded rod 501 is screw connected to the inside lower end of the supporting leg 2, the base 502 is fixedly installed at the bottom of the threaded rod 501, the inside lower end of the supporting leg 2 is provided with an internal thread, and the threaded rod 501 is screw connected to the inside of the supporting leg 2, when the ground is uneven and causes the drawing board 1 to shake, the base 502 is driven to move up and down along the supporting leg 2 by rotating the base 502 to drive the threaded rod 501 to screw connect with the supporting leg 2, so as to adjust the horizontal height of the drawing board 1 and prevent shaking when drawing.

[0034] In use, when drawing is needed, the drawing paper is spread on the top of the drawing board 1, then the pressing plate 307 is pressed down, the pressing plate 307 drives the clamping block 308 to move down through the pressure rod 306, so that the clamping block 308 is separated from the rack 309, at this time the moving plate 301 can be moved, then the left and right two moving plates 301 are pushed to move to the left and right ends of the drawing paper, then the pressing plate 307 is released, the pressing plate 307 is pushed to drive the clamping block 308 to move up and be clamped with the rack 309 under the action of the spring two 310, the moving plate 301 is fixed, then the handle 304 is pulled to drive the pressing plate 303 to move up, the both ends of the drawing paper are placed below the pressing plate 303, then the handle 304 is released, the pressing plate 303 is pushed to move down under the action of the spring one 302, the drawing paper is pressed tightly, when the ground is uneven and causes the drawing board 1 to shake when drawing, the base 502 is driven to move up and down along the supporting leg 2 by rotating the base 502 to drive the threaded rod 501 to screw connect with the supporting leg 2, so as to adjust the horizontal height of the drawing board 1, when the drawing board 1 is not used, the protective cloth 404 is unwound by starting the motor 402, the protective cloth 404 is unfolded, and the hook 405 is connected with the hanging ring 406, so that the protective cloth 404 is located above the drawing paper, the drawing paper is protected, and damage to the drawing paper on the drawing board 1 caused by stains or impurities above is prevented.

[0035] It is to be noted that, as used in this specification and the appended claims, the singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise. Thus, for example, reference to "a component" can include a combination of two or more components. Additionally, the terms "comprise," "comprises," and "comprising," or any variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements is not necessarily limited to those elements, but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Furthermore, unless otherwise indicated herein, the terms "first," "second," "third," etc., are not intended to denote a physical order, quantity, or importance, but rather are used for the purpose of nomenclature.

Claims

1. A drawing device comprising a drawing board (1) and supporting legs (2) fixedly mounted around the bottom of the drawing board (1), characterized in that: The drawing board (1) top is provided with a drawing device, the drawing device includes a pressing mechanism, a protection mechanism and an adjusting mechanism; The pressing mechanism is arranged on the top of the drawing board (1), the protection mechanism is arranged above the drawing board (1), and the adjusting mechanism is arranged at the bottom of the supporting leg (2); The pressing mechanism includes a moving plate (301), a spring (302), a pressing plate (303), a handle (304), a connecting plate (305), a pressing rod (306), a pressing plate (307), a clamping block (308), a rack (309) and a spring (310), the number of the moving plate (301) is two, and the moving plate (301) is slidably connected to the front and rear sides of the drawing board (1), the spring (302) is fixedly installed on the inside top of the moving plate (301), the pressing plate (303) is fixedly installed on the bottom of the spring (302), the handle (304) is fixedly installed on the top of the pressing plate (303), the connecting plate (305) is fixedly installed on the front of the moving plate (301), the pressing rod (306) is slidably connected to the inside of the connecting plate (305), the pressing plate (307) is fixedly installed on the top of the pressing rod (306), the clamping block (308) is fixedly installed on the bottom of the pressing rod (306), the rack (309) is fixedly installed on the bottom of the drawing board (1), and the spring (310) is installed between the connecting plate (305) and the pressing plate (307) and located outside the pressing rod (306).

2. A drawing device according to claim 1, wherein: The drawing board (1) front and rear sides are provided with a sliding groove, and the front and rear ends of the left and right two moving plates (301) are slidably connected to the inner wall of the sliding groove.

3. A drawing device as claimed in claim 1, characterized in that: The size of the tooth groove on the rack (309) is equal to that of the clamping block (308), and the clamping block (308) is clamped with the rack (309).

4. A drawing device according to claim 1, wherein: The protection mechanism includes a side plate (401), a motor (402), a winding roller (403), a protective cloth (404), a hook (405) and a hanging ring (406), the side plate (401) is fixedly installed on the right side of the left end moving plate (301), the motor (402) is fixedly installed on the back of the rear end side plate (401), the protective cloth (404) is wound on the outer surface of the winding roller (403), the hook (405) is fixedly installed on the right side of the protective cloth (404), and the hanging ring (406) is fixedly installed on the left side of the right end moving plate (301).

5. A drawing device according to claim 4, wherein: The hanging ring (406) is internally provided with a connecting hole, and the hook (405) can be hung with the connecting hole.

6. A drawing device as claimed in claim 1, characterized in that: The adjusting mechanism includes a threaded rod (501) and a base (502), the threaded rod (501) is threadedly connected to the lower end of the inside of the supporting leg (2), and the base (502) is fixedly installed on the bottom of the threaded rod (501).

7. A drawing device according to claim 6, wherein: The inside of the lower end of the supporting leg (2) is internally provided with an internal thread, and the threaded rod (501) is threadedly connected to the inside of the supporting leg (2).

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