CN219578491U - Drawing device - Google Patents

Abstract

The utility model relates to the technical field of drawing, in particular to a drawing device which comprises a drawing board, a first adjusting component and a second adjusting component, wherein the first adjusting component extends along a first direction, the first adjusting component comprises a first supporting piece and a second supporting piece, one end of the second supporting piece is pivoted with the first supporting piece, the other end of the second supporting piece is connected with the drawing board so that the drawing board can rotate around a second direction relative to the first supporting piece, the second direction is orthogonal to the first direction, the second adjusting component extends along a third direction orthogonal to the first direction and the second direction, the second adjusting component comprises a fixing piece and a rotating piece, one end of the fixing piece is connected with the second supporting piece, the other end of the fixing piece is connected with the rotating piece in a rotating mode, and the rotating piece is connected with the drawing board so that the drawing board can rotate around the third direction relative to the fixing piece.

Description

Drawing device

Technical Field

The utility model relates to the technical field of drawing, in particular to a drawing device.

Background

The drawing tool is a tool for drawing geometric figures and engineering patterns, and the drawing tool is required to be used when drawing, and in the related art, the drawing board is fixed on a table, so that drawing is performed on the drawing board.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent. Therefore, the embodiment of the utility model provides a drawing device which can improve the drawing efficiency of staff.

The drawing device of the embodiment of the utility model comprises: drawing a board; a first adjustment assembly extending in a first direction, the first adjustment assembly including a first support and a second support, one end of the second support being pivotally connected to the first support, the other end of the second support being connected to the drawing board such that the drawing board is rotatable relative to the first support about a second direction, the second direction being orthogonal to the first direction; the second adjusting component extends along a third direction orthogonal to the first direction and the second direction, the second adjusting component comprises a fixing piece and a rotating piece, one end of the fixing piece is connected with the second supporting piece, the other end of the fixing piece is connected with the rotating piece in a rotating mode, and the rotating piece is connected with the drawing board so that the drawing board can rotate around the third direction relative to the fixing piece.

The drawing device provided by the embodiment of the utility model can improve the drawing efficiency of staff.

In some embodiments, a plurality of first grooves are arranged on the inner peripheral surface of the fixing piece at intervals, a plurality of first through holes corresponding to the first grooves are arranged on the outer peripheral surface of the rotating piece, and the second adjusting assembly further comprises a limiting part which is installed in the first through holes and can move along the extending direction of the first through holes so that the limiting part stretches into or withdraws from the first grooves.

In some embodiments, the limiting component includes a limiting member, a first spring and a first rod, the first spring is sleeved on the first rod and connected with the limiting member, a second through hole extending along the third direction is formed in the rotating member, the first rod is installed in the first through hole, and one end of the first rod, which is far away from the limiting member, can extend into or withdraw from the second through hole so that the limiting member extends into or withdraws from the first groove.

In some embodiments, the second adjusting assembly further comprises a second rod and a second spring, the second rod comprises a first portion and a second portion which are sequentially connected, the first portion is connected with the drawing board, one end of the second portion penetrates through the second through hole to be connected with the second spring, the second spring is connected with the fixing piece, the diameter of the second portion is larger than that of the first portion, when the second spring is in an extending position, the second portion is located in the second through hole and is abutted with the first rod, and when the second spring is in a compressing position, the first portion is located in the second through hole and is in a gap with the first rod so that the drawing board rotates around the third direction relative to the fixing piece.

In some embodiments, the first adjustment assembly further comprises a shaft extending in the second direction, one end of the shaft in the first direction being connected to the first support, the other end of the shaft in the first direction being connected to the second support.

In some embodiments, the first adjusting assembly further comprises a third spring, a fourth spring and an elastic member, wherein the elastic member extends along a first direction, two ends of the elastic member are respectively connected with the third spring and the fourth spring, the third spring is connected with the first supporting member, and the fourth spring is connected with the second supporting member.

In some embodiments, the drawing device further includes a connection assembly, the connection assembly includes a first connection plate, one end of the first connection plate is connected with the drawing plate, the other end of the first connection plate is connected with the second rod and the rotating member, the first connection plate faces towards one end of the rotating member and is provided with a limiting plate, the limiting plate is provided with a second groove, and one end of the rotating member faces towards the first connection plate and is provided with a third groove corresponding to the limiting plate and a clamping plate corresponding to the second groove.

In some embodiments, the connection assembly further comprises a second connection plate, a fourth groove is formed in one end, facing the second connection plate, of the drawing plate, the second connection plate can be clamped into the fourth groove, and the second connection plate is connected with the first connection plate.

In some embodiments, the drawing device further includes a magnetic member mounted in the fourth recess, the second connection plate being adsorbable on the magnetic member.

In some embodiments, the drawing device further includes a base connected to an end of the first support member remote from the second support member to support the first support member.

Drawings

Fig. 1 is a schematic diagram of a drawing device according to an embodiment of the utility model.

Fig. 2 is a schematic view of another view of the drawing device according to the embodiment of the utility model.

Fig. 3 is an exploded view of a drawing device according to an embodiment of the present utility model.

Fig. 4 is a schematic view of a rotating member according to an embodiment of the present utility model.

Fig. 5 is a cross-sectional view of a rotating member according to an embodiment of the present utility model.

Fig. 6 is a schematic diagram of a connection assembly according to an embodiment of the present utility model.

Reference numerals:

the drawing board 1, the fourth groove 11, the first adjusting component 2, the first supporting piece 21, the second supporting piece 22, the rotating shaft 23, the third spring 24, the fourth spring 25, the elastic piece 26,

the second adjusting part 3, the fixing member 31, the first recess 311, the rotating member 32, the first through hole 321, the second through hole 322, the third recess 323, the catch plate 324, the restricting member 33, the restricting member 331, the first spring 332, the first lever 333, the restricting disc 334, the second lever 34, the first portion 341, the second portion 342,

the device comprises a connecting component 4, a first connecting plate 41, a limiting plate 411, a second groove 4111, a second connecting plate 42 and a base 5.

Detailed Description

Reference will now be made in detail to embodiments of the present utility model, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

The drawing device of the embodiment of the utility model comprises a drawing board 1, a first adjusting component 2 and a second adjusting component 3. The first adjusting assembly 2 extends in a first direction (up-down direction as shown in fig. 3), the first adjusting assembly 2 includes a first support 21 and a second support 22, one end of the second support 22 is pivoted to the first support 21, and the other end of the second support 22 is connected to the drawing board 1 such that the drawing board 1 is rotatable about a second direction (left-right direction as shown in fig. 3) with respect to the first support 21, the second direction being orthogonal to the first direction. The second adjusting member 3 extends in a third direction (a front-rear direction as shown in fig. 3) orthogonal to the first direction and the second direction, the second adjusting member 3 includes a fixing member 31 and a rotating member 32, one end of the fixing member 31 is connected to the second supporting member 22, the other end of the fixing member 31 is rotatably connected to the rotating member 32, and the rotating member 32 is connected to the drawing board 1 so that the drawing board 1 is rotatable about the third direction with respect to the fixing member 31.

Specifically, as shown in fig. 1 to 3, the upper end of the first supporting member 21 is pivoted to the lower end of the second supporting member 22, the upper end of the second supporting member 22 is connected to the rear end of the fixing member 31, the fixing member 31 is rotationally connected to the rotating member 32, the front end of the rotating member 32 is connected to the drawing board 1, the rotating member 32 rotates around the front-rear direction relative to the fixing member 31 to drive the drawing board 1 to rotate around the front-rear direction relative to the fixing member 31, and then the second supporting member 22 rotates around the left-right direction relative to the first supporting member 21 to drive the fixing member 31, the rotating member 32 and the drawing board 1 to rotate around the left-right direction relative to the first supporting member 21, so as to adjust the pitch angle of the drawing board 1.

According to the embodiment of the utility model, the first adjusting component 2 is arranged to realize the rotation around the front-back direction by taking the center point of the drawing board 1 as the rotation point, the second adjusting component 3 is used to realize the adjustment of the pitch angle of the drawing board 1, and the first adjusting component 2 and the second adjusting component 3 are matched to realize the rotation of the drawing board 1 and the adjustment of the pitch angle at the same time, so that the problem that the angle of the drawing board 1 cannot be adjusted during drawing is avoided, and meanwhile, the drawing of workers in the same state all the time is avoided, and the drawing efficiency of the workers is further improved.

For example, the lower end of the first supporting member 21 may be fixed to a table top or a wall surface.

In some embodiments, a plurality of first grooves 311 are arranged on the inner peripheral surface of the fixing member 31 at intervals, a plurality of first through holes 321 corresponding to the first grooves 311 are arranged on the outer peripheral surface of the rotating member 32, and the second adjusting assembly 3 further includes a limiting member 33, wherein the limiting member 33 is installed in the first through holes 321 and can move along the extending direction of the first through holes 321 so that the limiting member 33 extends into or withdraws from the first grooves 311.

Specifically, a plurality of first grooves 311 are formed on the inner wall surface of the fixing piece 31, the limiting component 33 is installed in the first through hole 321, the limiting component 33 can move along the extending direction of the first through hole 321, namely, one end of the limiting component 33, which is close to the first groove 311, can move towards the direction of the first groove 311 so that the limiting component 33 is clamped into the first groove 311, and further, the position of the rotating component 32 is limited, the rotating component 32 is prevented from rotating, when one end of the limiting component 33, which is close to the first groove 311, moves towards the direction away from the first groove 311 so that the limiting component 33 is far from the first groove 311, namely, the limiting component 33 is not clamped into the first groove 311, the limiting component 33 does not play a limiting role any more, the rotating component 32 can rotate relative to the fixing piece 31, the rotating of the painting board 1 around the front and back directions can be realized by adjusting the movement of the limiting component 33, and further, the painting angle of the painting board 1 is adjusted so that the painting efficiency of workers is improved.

In some embodiments, the limiting member 33 includes a limiting member 331, a first spring 332 and a first rod 333, the first spring 332 is sleeved on the first rod 333 and connected to the limiting member 331, the rotating member 32 is provided with a second through hole 322 extending along a third direction, the first rod 333 is installed in the first through hole 321, and an end of the first rod 333 away from the limiting member 331 can extend into or withdraw from the second through hole 322 so that the limiting member 331 extends into or withdraws from the first groove 311.

Specifically, as shown in fig. 4-5, the aperture of the end of the first through hole 321 near the second through hole 322 is reduced so as to limit the first spring 332, the first spring 332 is sleeved on the first rod 333, and the end of the first rod 333 near the limiting piece 331 is connected with the limiting piece 331, and the end of the first rod 333 far from the limiting piece 331 can extend into the second through hole 322 through the first through hole 321.

When the end of the first rod 333 away from the limiting part 331 extends into the second through hole 322, the limiting part 331 is not clamped into the first groove 311, the limiting part 331 does not play a limiting role, and the rotating part 32 can rotate relative to the fixing part 31 so as to rotate the drawing board 1. When the end of the first rod 333 away from the limiting part 331 is located in the first through hole 321, the limiting part 331 moves towards the first groove 311 under the pushing action of the first rod 333 to be clamped into the first groove 311, the limiting part 331 limits the rotating part 32, and the rotating part 32 cannot rotate relative to the fixing part 31 again, so as to fix the angle of the drawing board 1.

Optionally, the limiting member 33 further includes a limiting plate 334, and the limiting plate 334 is connected to an end of the first rod 333 near the limiting member 331.

For example, the limiting member 331 is a limiting ball, and the second through hole 322 is a central through hole so that the plurality of first rods 333 extend into the second through hole 322 to the same length.

In some embodiments, the second adjusting assembly 3 further includes a second rod 34 and a second spring, the second rod 34 includes a first portion 341 and a second portion 342 that are sequentially connected, the first portion 341 is connected to the drawing board 1, one end of the second portion 342 passes through the second through hole 322 to be connected to the second spring, the second spring is connected to the fixing member 31, the diameter of the second portion 342 is larger than that of the first portion 341, the second portion 342 is located in the second through hole 322 and abuts against the first rod 333 when the second spring is in the extended position, and the first portion 341 is located in the second through hole 322 and leaves a gap with the first rod 333 when the second spring is in the compressed position so that the drawing board 1 rotates around the third direction relative to the fixing member 31.

Specifically, the second rod 34 extends in the front-rear direction, the first portion 341 is connected to the drawing board 1, the rear end of the second portion 342 passes through the second through hole 322 of the rotating member 32 and is connected to a second spring (not shown in the drawing), the second spring is fixed at the center of the fixing member 31, and the diameter of the second portion 342 is larger than that of the first portion 341, so that when the second portion 342 is located in the second through hole 322, a pushing force is generated on the first rod 333, and the limiting member 331 is clamped into the first groove 311.

When the drawing board 1 is in use, the second rod 34 is driven to move backwards to enable the second spring to be in a compressed state by pushing the drawing board 1 backwards, at this time, the second part 342 is located in the fixing piece 31, the first part 341 is located in the second through hole 322, the first part 341 has no thrust action on the first rod 333 because the diameter of the first part 341 is smaller than that of the second part 342, the first rod 333 extends into the second through hole 322 under the condition that the first rod 333 is not blocked, the limiting ball is driven by the first rod 333 to move in a direction away from the first groove 311, the limiting piece 331 is not limited to the rotating piece 32, and the rotating piece 32 can rotate relative to the fixing piece 31.

The drawing board 1 is rotated, the rotating piece 32 rotates around the front and back direction in the fixing piece 31, when the required angle is adjusted, the drawing board 1 is loosened, the second portion 342 moves forwards under the action of the second spring, the second portion 342 is located in the second through hole 322, the second portion 342 generates thrust to the first rod 333 to enable the limiting piece 331 to move towards the direction of the first groove 311, the limiting piece 331 is clamped into the first groove 311 to limit the rotating piece 32, and then the angle of the drawing board 1 after rotation is fixed.

In some embodiments, the first adjusting assembly 2 further includes a rotation shaft 23, the rotation shaft 23 extending in the second direction, one end of the rotation shaft 23 in the first direction being connected to the first support 21, and the other end of the rotation shaft 23 in the first direction being connected to the second support 22.

Specifically, as shown in fig. 3, the rotating shaft 23 extends in the left-right direction, and the rotating shaft 23 is respectively rotatably connected to the upper end of the first support member 21 and the lower end of the second support member 22, so that the second support member 22 can rotate around the left-right direction relative to the first support member 21, thereby adjusting the pitch angle of the drawing board 1.

In some embodiments, the first adjusting assembly 2 further includes a third spring 24, a fourth spring 25, and an elastic member 26, the elastic member 26 extends along the first direction, and two ends of the elastic member 26 are respectively connected to the third spring 24 and the fourth spring 25, the third spring 24 is connected to the first supporting member 21, and the fourth spring 25 is connected to the second supporting member 22.

Specifically, the lower end of the elastic member 26 is connected to the third spring 24, the upper end of the elastic member 26 is connected to the fourth spring 25, the third spring 24 is connected to the rear end of the first supporting member 21, the fourth spring 25 is connected to the rear end of the second supporting member 22, the number of the elastic members 26 is plural, the number of the third springs 24 and the number of the fourth springs 25 are plural accordingly, for example, the number of the elastic members 26 is three, the number of the third springs 24 and the number of the fourth springs 25 are three, when the pitch angle of the drawing board 1 is adjusted by the arrangement of the elastic members 26, the elastic members 26 are bent, and the second supporting member 22 after the angle is adjusted is limited by the elastic members 26, thereby ensuring the stability of the drawing board 1.

When the pitching angle of the drawing board 1 needs to be adjusted, the adjustment can be realized by pushing the drawing board 1 to drive the second support piece 22 to rotate around the rotating shaft 23, the elastic piece 26 can be driven to bend when the second support piece 22 rotates, the second support piece 22 is limited by the elastic piece 26, the stability of the adjusted drawing board 1 is ensured, and the practicability of the drawing board 1 is improved.

For example, the elastic member 26 is a rubber rod in which a metal strip, such as an iron strip, is wrapped.

In some embodiments, the drawing device further includes a connection assembly 4, the connection assembly 4 includes a first connection plate 41, one end of the first connection plate 41 is connected to the drawing board 1, the other end of the first connection plate 41 is connected to the second rod 34 and the rotating member 32, a limiting plate 411 is disposed at one end of the first connection plate 41 facing the rotating member 32, a second groove 4111 is formed in the limiting plate 411, and a third groove 323 corresponding to the limiting plate 411 and a clamping plate 324 corresponding to the second groove 4111 are disposed at one end of the rotating member 32 facing the first connection plate 41.

Specifically, as shown in fig. 6, the front end of the first connecting plate 41 is connected to the drawing board 1, the rear end of the first connecting plate 41 is connected to the second rod 34 and the rotating member 32, the rear end of the first connecting plate 41 is provided with a limiting plate 411 extending along the front-rear direction, the front end of the limiting plate 411 is connected to the rear end of the first connecting plate 41, the rear end of the limiting plate 411 can be clamped into a third groove 323 formed in the front end of the rotating member 32, the front end of the rotating member 32 is further provided with a clamping plate 324, and the clamping plate 324 can be clamped into a second groove 4111 to fix the limiting plate 411.

For example, the number of the stopper plates 411 is set to be plural, and the plural stopper plates 411 are arranged at intervals in the circumferential direction of the center position of the first connecting plate 41, and the front end of the second lever 34, that is, the front end of the first portion 341 is connected to the center position of the first connecting plate 41.

In some embodiments, the connection assembly 4 further includes a second connection plate 42, where a fourth groove 11 is disposed at an end of the drawing board 1 facing the second connection plate 42, and the second connection plate 42 may be snapped into the fourth groove 11, and the second connection plate 42 is connected to the first connection plate.

Specifically, the rear end of the second connection plate 42 is connected to the front end of the first connection plate 41, the rear end of the drawing board 1 is provided with the fourth groove 11, and the second connection plate 42 is attached in the fourth groove 11 to connect the second connection plate 42 with the drawing board 1.

In some embodiments, the drawing device further includes a magnetic member mounted in the fourth recess 11, and the second connection plate is attracted to the magnetic member.

Specifically, a magnetic member (not shown in the figure) is installed in the fourth groove 11, and the second connecting plate is attracted to the magnetic member, so as to ensure the connection stability between the drawing board 1 and the second connecting plate.

For example, the magnetic member is a magnetic bar.

In some embodiments, the drawing device further includes a base 5, where the base 5 is connected to an end of the first support 21 remote from the second support 22 to support the first support 21.

Specifically, the lower end of the first supporting member 21 is connected to the base 5, and the first adjusting assembly 2, the second adjusting assembly 3 and the drawing board 1 are supported by the base 5, so that the position and the angle of the drawing board 1 can be conveniently adjusted.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature "above," "over" and "on" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

It will be appreciated that the above embodiments are exemplary and are not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (10)

1. A drawing device, characterized by comprising:

drawing a board;

a first adjustment assembly extending in a first direction, the first adjustment assembly including a first support and a second support, one end of the second support being pivotally connected to the first support, the other end of the second support being connected to the drawing board such that the drawing board is rotatable relative to the first support about a second direction, the second direction being orthogonal to the first direction;

the second adjusting component extends along a third direction orthogonal to the first direction and the second direction, the second adjusting component comprises a fixing piece and a rotating piece, one end of the fixing piece is connected with the second supporting piece, the other end of the fixing piece is connected with the rotating piece in a rotating mode, and the rotating piece is connected with the drawing board so that the drawing board can rotate around the third direction relative to the fixing piece.

2. The drawing device according to claim 1, wherein a plurality of first grooves are arranged on an inner peripheral surface of the fixing member at intervals, a plurality of first through holes corresponding to the first grooves are arranged on an outer peripheral surface of the rotating member, and the second adjusting assembly further comprises a limiting member which is installed in the first through holes and is movable in an extending direction of the first through holes so that the limiting member is inserted into or withdrawn from the first grooves.

3. The drawing device according to claim 2, wherein the limiting member includes a limiting member, a first spring and a first lever, the first spring is sleeved on the first lever and connected to the limiting member, the rotating member is provided with a second through hole extending in the third direction, the first lever is installed in the first through hole, and an end of the first lever, which is far from the limiting member, can be inserted into or withdrawn from the second through hole to allow the limiting member to be inserted into or withdrawn from the first groove.

4. The drawing device of claim 3, wherein the second adjustment assembly further comprises a second rod and a second spring, the second rod comprises a first portion and a second portion which are sequentially connected, the first portion is connected with the drawing board, one end of the second portion is connected with the second spring through the second through hole, the second spring is connected with the fixing piece, the diameter of the second portion is larger than that of the first portion, when the second spring is in the extended position, the second portion is located in the second through hole and abuts against the first rod, and when the second spring is in the compressed position, the first portion is located in the second through hole and leaves a gap with the first rod so that the drawing board rotates around the third direction relative to the fixing piece.

5. The drawing device of claim 4, wherein the first adjustment assembly further comprises a shaft extending in the second direction, one end of the shaft in the first direction being coupled to the first support, the other end of the shaft in the first direction being coupled to the second support.

6. The drawing device of claim 5, wherein the first adjustment assembly further comprises a third spring, a fourth spring, and an elastic member, the elastic member extending in a first direction, and wherein two ends of the elastic member are respectively connected to the third spring and the fourth spring, the third spring being connected to the first support, and the fourth spring being connected to the second support.

7. The drawing device of claim 4, further comprising a connecting assembly, wherein the connecting assembly comprises a first connecting plate, one end of the first connecting plate is connected with the drawing plate, the other end of the first connecting plate is connected with the second rod and the rotating member, a limiting plate is arranged at one end of the first connecting plate, which faces the rotating member, a second groove is formed in the limiting plate, and a third groove corresponding to the limiting plate and a clamping plate corresponding to the second groove are arranged at one end of the rotating member, which faces the first connecting plate.

8. The drawing device according to claim 7, wherein the connection assembly further comprises a second connection plate, a fourth groove is formed in an end of the drawing plate facing the second connection plate, the second connection plate is capable of being clamped into the fourth groove, and the second connection plate is connected with the first connection plate.

9. The drawing device of claim 8, further comprising a magnetic member mounted in the fourth recess, the second connecting plate being adsorbable on the magnetic member.

10. The drawing device of claim 1, further comprising a base coupled to an end of the first support member remote from the second support member to support the first support member.