CN211269202U

CN211269202U - Drawing board placing rack

Info

Publication number: CN211269202U
Application number: CN201922249758.XU
Authority: CN
Inventors: 葛振鹏; 刘培林; 张亚平; 郝阳
Original assignee: Zhengzhou University of Science and Technology
Current assignee: Zhengzhou University of Science and Technology
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-08-18
Anticipated expiration: 2029-12-16

Abstract

A drawing board placing frame comprises a frame body, wherein the frame body comprises a fixed frame, a movable plate and support legs, the inner side of a long edge of the fixed frame is hinged with the movable plate, the four corners of the bottom surface of the fixed frame are provided with the support legs, the bottom of the front surface of the movable plate is provided with a baffle plate, the inner side of the fixed frame and the rear surface of the movable plate are provided with lifting devices, each lifting device comprises a curved rack, a gear and a hand wheel, one side of the rear surface of the movable plate is provided with the curved rack, one end of the curved rack is fixedly connected with the movable plate, a connecting plate is arranged between the other end of the curved rack and the movable plate, one side of the inner side of; the drawing person can be according to the drawing condition of oneself, nimble fixed drawing board angle to have self-locking function, prevent that the drawing board from accidentally falling back at the in-process that rises, causing unnecessary trouble.

Description

Drawing board placing rack

Technical Field

The utility model relates to a rack especially relates to a drawing board rack.

Background

Sketching and drawing are often used to cushion drawing paper, which is often placed on easels, and also on knees. The drawing board is fixed on the easel, some clamps are used, the adhesive tape is also used, the size of the drawing board is determined according to the requirements of a user, most of the drawing boards are made of wood, the hand feeling is light and smooth, art supplies stores are sold, and the drawing board can be manufactured by self.

In the existing drawing board placing rack, a drawing board can be inclined, the angle of the drawing board can be adjusted, but the angle is fixed, the angle cannot be changed at will according to the desire of a painter, the angle can be selected from a plurality of fixed angles, and meanwhile, the painting after painting is finished does not have a place to be aired.

To the above problem, the painter needs a drawing board placing rack to satisfy the requirement of drawing.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the not enough of existence among the prior art, provide a drawing board rack, can fix the angle of drawing board as required to self-locking function has.

The purpose of the utility model is realized like this: a drawing board placing rack comprises a rack body, wherein the rack body comprises a fixed frame, a movable plate and support legs, the movable plate is hinged to the inner side of a long edge of the fixed frame, the support legs are arranged at four corners of the bottom surface of the fixed frame, a blocking plate is arranged at the bottom of the front surface of the movable plate, a lifting device is arranged on the inner side of the fixed frame and the rear surface of the movable plate and used for changing an angle formed by the movable plate and the fixed frame, the lifting device comprises a curved rack, a gear and a hand wheel, a curved rack is arranged on one side of the rear surface of the movable plate, one end of the curved rack is fixedly connected with the movable plate, a connecting plate is arranged between the other end of the curved rack and the movable plate, a connecting shaft is arranged, the connecting axle is located the one end in the fixed frame outside is provided with the hand wheel, the gear with curved shape rack toothing transmission.

Further, still include self-lock device, self-lock device includes roof, fixed rotating shaft, manual handle, spring fixation plate, spring, the arc wall has been seted up to one side that fixed frame is close to elevating gear, the arc wall is kept away from the fixed slot has been seted up downwards to the one end of gear, be provided with manual handle in the arc wall, manual handle one end extends to fixed frame outside, the manual handle other end extends to fixed frame inside with roof outside sliding connection, fixed frame inboard is close to the one end of gear is provided with fixed rotating shaft, fixed rotating shaft with roof one end is articulated, the roof other end with be provided with between the spring fixation plate the spring, spring fixation plate sets up the fixed plate inboard is close to one side of elevating gear.

Furthermore, a slide rod is arranged at the top of the movable plate, a fastening block is arranged on the slide rod, a tension spring fixing plate is arranged on the back of the movable plate below the fastening block, and a tension spring is arranged between the tension spring fixing plate and the fastening block.

Further, the support legs are telescopic support legs.

Furthermore, the bottom surface of the bracket leg is provided with a rubber pad.

Further, a pen container is arranged on the outer side of the support leg close to one side of the long edge of the fixing frame.

Furthermore, the outer side of the support leg far away from one side of the pen container is hinged with a drawing paper drying plate.

Further, the lower part of the pen container is provided with a drawing board connecting shaft, and the lower end of the drawing board connecting shaft is hinged with a pigment board.

Further, the fixing frame is a U-shaped frame body.

The utility model has the advantages that:

1. the drawing person can be according to the drawing condition of oneself, and nimble fixed drawing board angle makes things convenient for the drawing person to use.

2. The utility model discloses have self-locking function, prevent that the drawing board from accidentally falling back at the in-process that rises, causing unnecessary trouble.

3. Between drawing board and the fly leaf, press from both sides tightly through barrier plate and fastening block, the drawing board is fixed firm.

4. The utility model discloses a drawing paper sunning board can carry out the sunning of drawing when the level is placed, and cooperation support leg can be accomodate the drawing when placing perpendicularly.

Drawings

Fig. 1 is a schematic structural diagram of a drawing board placing rack.

Fig. 2 is a schematic view of a frame structure.

Fig. 3 is a schematic structural view of the self-locking device.

Fig. 4 is a schematic view of a partial structure of a drawing board placing rack.

Fig. 5 is a schematic diagram of a drawing board placing rack.

The automatic painting and drying machine comprises a frame body 1, a fixing frame 101, a fixing frame 102, a movable plate 103, support legs 104, a blocking plate 105, a sliding rod 106, a fastening block 107, a tension spring fixing plate 108, a tension spring 109, a rubber pad 110, an arc-shaped groove 111, a fixing groove 111, a painting board 2, a lifting device 3, a curved rack 301, a gear 302, a gear 303, a hand wheel 304, a connecting plate 305, a connecting shaft 4, a self-locking device 401, a top plate 402, a fixing rotating shaft 402, a manual handle 403, a spring fixing plate 404, a spring 405, a spring 5, a pen container 6, a connecting shaft 7, a pigment plate 8 and an image quality drying plate.

Detailed Description

In order to make the technical solutions in the embodiments of the present application better understood, 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, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The embodiment of the application provides a drawing board placing frame. Embodiment 1, as shown in fig. 1 to 5, a drawing board placing rack includes a rack body 1, where the rack body includes a fixed frame 101, a movable plate 102, and support legs 103, and the fixed frame 101 is a U-shaped frame body. The movable plate 102 is hinged to the inner side of the long side of the fixed frame 101, and the movable plate 102 can rotate around the hinge to adjust the angle of the drawing board 2 placed on the movable plate 102. A blocking plate 104 is arranged at the bottom of the front surface of the movable plate 102 and used for limiting the drawing board 2 to move downwards to fix the drawing board 2, a sliding rod 105 is arranged at the top of the movable plate 102, a fastening block 106 is connected to the sliding rod 105 in a sliding manner, a tension spring fixing plate 107 is arranged on the back of the movable plate 102 below the fastening block 106, and a tension spring 108 is arranged between the tension spring fixing plate 107 and the fastening block 106. The fastening block 106 is L-shaped. The inner surface of the fastening block 106 and the front surface of the movable plate 102 are located on the same plane, so as to ensure that the drawing board 2 is stable when the drawing board 2 is placed. Under the pulling force of the tension spring 108, namely, the fastening block 106 is sleeved on the sliding rod 105, and moves downwards, the drawing board 2 is tightly limited on the movable plate 102 by matching with the stop plate 104. Four corners of the bottom surface of the fixed frame 101 are provided with the support legs 103, and the support legs 103 are telescopic support legs. The length of the support legs 103 can be flexibly adjusted by the painter according to different painting habits, and then the height of the drawing board 2 can be adjusted. The bottom surface of the support leg 103 is provided with a rubber pad 109, the rubber pad 109 has good friction on the one hand, and on the other hand has good shock absorption effect, so that the overall stability of the utility model can be improved. The inner side of the fixed frame 101 and the rear surface of the movable plate 102 are provided with a lifting device 3 for changing an angle formed between the movable plate 102 and the fixed frame 101. The lifting device 3 comprises a curved rack 301, a gear 302 and a hand wheel 303, wherein the curved rack 301 is arranged on one side of the rear surface of the movable plate 102, and the curved rack is used for ensuring that the curved rack 301 and the gear 302 can always keep an engaged state and cannot be disengaged or collided with teeth when the angle of the movable plate 102 is changed. One end of the curved rack 301 is fixedly connected to the movable plate 102, and a connection plate 304 is disposed between the other end of the curved rack 301 and the movable plate 102. A connecting shaft 305 is arranged on one side of the inner side of the fixed frame 101, which is close to the curved rack 301, and the connecting shaft 305 is rotatably connected with the fixed frame 101 through a bearing. The connecting axle 305 is located the inboard one end of fixed frame 101 is provided with gear 302, the connecting axle 305 is located the one end in the fixed frame 101 outside is provided with hand wheel 303, gear 302 with curved rack 301 meshing transmission. The hand wheel 303 is shaken by a painter, the hand wheel 303 rotates to drive the connecting shaft 305 to rotate, and further drives the gear 302 positioned at the other end of the connecting shaft 305 to rotate, and through the meshing of the gear 302 and the curved rack 301, the curved rack 301 drives the movable plate 102 to rotate around the hinged position of the movable plate 102 and the fixed frame 101, so that the angle formed by the movable plate 102 and the fixed frame 101 is changed, and the painter can freely select the angle according to the painting requirement. The utility model discloses still include self-lock device 4, self-lock device is used for preventing that the drawing person is in the in-process of using elevating gear 3, loosens behind the hand wheel 303, fly leaf 102 falls back under the effect of gravity, causes unnecessary trouble. Self-lock device 4 includes roof 401, fixed pivot 402, manual handle 403, spring fixing plate 404, spring 405, arc wall 110 has been seted up to fixed frame 101 near one side of elevating gear 4, the arc wall 110 is kept away from the one end of gear 302 has seted up fixed slot 111 downwards, be provided with manual handle 403 in the arc wall 110, manual handle 403 is in arc wall 110 with remove in the fixed slot 111, there are two extreme positions, works as when activity handle 403 is located fixed slot 111, is first extreme position, works as activity handle 403 is located when arc wall 110 is kept away from the one end of fixed slot 111, is the second extreme position. One end of the manual handle 403 extends to the outside of the fixing frame 101, so that a painter can conveniently perform manual adjustment. The other end of the manual handle 403 extends into the fixed frame 101 and is slidably connected with the outer side of the top plate 401, that is, one end of the manual handle 403 is sleeved on the outer side of the top plate 401, and the top plate 401 can slide at the end of the manual handle 403. The fixed frame 101 is inboard to be close to the one end of gear 302 is provided with fixed pivot 402, fixed pivot 402 with roof 401 one end is articulated, the roof 401 other end with be provided with between the spring fixed plate 404 spring 405, the spring fixed plate 404 sets up fixed frame 101 is inboard to be close to one side of elevating gear 3. The top plate 401 is in surface contact with the gear 302 by the elastic force of the spring 405. When the fixed frame 101 is viewed from the inside to the outside, the gear 302 rotates counterclockwise, so that the curved rack 301 drives the movable plate 102 to rotate clockwise, at this time, the top plate 401 is pushed away by the gear 302, so that the manual handle 403 moves towards the fixed slot 111, but under the action of the spring 405, the manual handle 403 continuously moves towards the surface of the gear 302. When the gear 302 rotates clockwise, the manual handle 403 is at the second limit position, the top plate 401 is perpendicular to the tooth surface of the gear 302, the rotation of the gear 302 is limited, and the counterclockwise rotation of the movable plate 102 is further limited, which is a self-locking state, and the movable plate 102 is prevented from falling. When the self-locking state is released and the movable plate 102 needs to be rotated counterclockwise, that is, when the movable plate 102 falls down, the manual handle 403 is moved, the manual handle 403 is positioned in the fixing groove 111, and at this time, the manual handle 403 is positioned at the first limit position, so that the top plate 401 is separated from the surface of the gear 302, and the rotation of the gear 302 is not affected any more. When the movable plate 102 rotates to the right position, the manual handle 403 is pulled out from the fixing groove 111, and the top plate 401 contacts the gear 302 under the action of the spring 405, so that the rotation of the gear 302 is limited, the movable plate 102 is positioned, and finally the angle of the drawing board 2 is limited. The outer side of the support leg 103 close to one side of the long edge of the fixing frame 101 is provided with a pen container 5 for placing a painting brush. The lower part of the pen container 5 is provided with a drawing board connecting shaft 6, and the lower end of the drawing board connecting shaft 6 is hinged with a pigment plate 7 for painting pigment for drawing. Keep away from 5 one side of pen container the support leg 103 outside articulates there is drawing paper sunning board 8, works as when drawing paper sunning board 8 level is placed, can supply the dry use of drawing sunning, works as when drawing paper sunning board 8 is vertical to be placed, can cooperate support leg 103 accomodates the drawing.

The utility model discloses when using:

upwards pulling fastening block places the drawing board on the fly leaf surface, and under the effect of extension spring, fastening block cooperation barrier plate is fixed the drawing board. The angle of hand wheel adjustment fly leaf is waved, and the back is accomplished in the adjustment, both can carry out the drawing and use.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims. It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims

1. The utility model provides a drawing board placing frame, includes the support body, the support body includes fixed frame, fly leaf, support leg, the long limit inboard of fixed frame is articulated have the fly leaf, four angles in fixed frame bottom surface all are provided with support leg, its characterized in that: the fly leaf front surface bottom is provided with the barrier plate, fixed frame inboard with the fly leaf rear surface is provided with elevating gear for change the fly leaf with fixed frame angle, elevating gear includes bent shape rack, gear, hand wheel, fly leaf rear surface one side is provided with bent shape rack, bent shape rack one end with fly leaf fixed connection, bent shape rack other end with be provided with the connecting plate between the fly leaf, fixed frame inboard is close to one side of bent shape rack is provided with the connecting axle, the connecting axle is located the inboard one end of fixed frame is provided with the gear, the connecting axle is located the one end in the fixed frame outside is provided with the hand wheel, the gear with bent shape rack toothing transmission.

2. A drawing board placing rack according to claim 1, characterized in that: still include self-lock device, self-lock device includes roof, fixed rotating shaft, manual handle, spring fixed plate, spring, the arc wall has been seted up to one side that fixed frame is close to elevating gear, the arc wall is kept away from the fixed slot has been seted up downwards to the one end of gear, be provided with manual handle in the arc wall, manual handle one end extends to fixed frame outside, the manual handle other end extends to fixed frame inside with roof outside sliding connection, fixed frame inboard is close to the one end of gear is provided with fixed rotating shaft, fixed rotating shaft with roof one end is articulated, the roof other end with be provided with between the spring fixed plate the spring, the spring fixed plate sets up the fixed plate inboard is close to one side of elevating gear.

3. A drawing board placing rack according to claim 2, characterized in that: the top of the movable plate is provided with a sliding rod, the sliding rod is provided with a fastening block, the back of the movable plate below the fastening block is provided with a tension spring fixing plate, and a tension spring is arranged between the tension spring fixing plate and the fastening block.

4. A drawing board placing rack according to claim 1, characterized in that: the support legs are telescopic support legs.

5. A drawing board placing rack according to claim 4, characterized in that: the bottom surfaces of the support legs are provided with rubber pads.

6. A drawing board placing rack according to claim 1, characterized in that: the pen container is arranged on the outer side of the support leg close to one side of the long edge of the fixing frame.

7. A drawing board placing rack according to claim 6, characterized in that: the outer side of the support leg far away from one side of the pen container is hinged with a drawing paper airing plate.

8. A drawing board placing rack according to claim 6, characterized in that: the lower part of the pen container is provided with a drawing board connecting shaft, and the lower end of the drawing board connecting shaft is hinged with a pigment plate.

9. A drawing board placing rack according to claim 1, characterized in that: the fixing frame is a U-shaped frame body.