CN218999795U

CN218999795U - Drawing board support convenient to adjust

Info

Publication number: CN218999795U
Application number: CN202223337107.4U
Authority: CN
Inventors: 赵忠勤
Original assignee: Guangxi Agricultural Vocational University
Current assignee: Guangxi Agricultural Vocational University
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-05-12
Anticipated expiration: 2032-12-12

Abstract

The utility model discloses a drawing board support convenient to adjust, which comprises a lifting board, wherein an adjusting seat is arranged at the bottom of the lifting board, an adjusting mechanism is arranged in an inner cavity of the adjusting seat, a movable wheel is fixedly connected to the bottom of the adjusting seat, fixed blocks are fixedly connected to two sides of the adjusting seat, a hand wheel and a supporting plate are respectively arranged at the top and the bottom of the fixed blocks, a first threaded rod is fixedly connected to the bottom of the hand wheel, and the bottom of the first threaded rod penetrates through the fixed blocks and is fixedly connected with the supporting plate. According to the utility model, through the matched use of the lifting plate, the adjusting seat, the adjusting mechanism, the moving wheel, the fixed block, the hand wheel, the supporting plate, the first threaded rod, the positioning box, the tension spring, the adjusting plate, the adjusting frame, the pulling plate, the plate body, the inserting block, the inserting groove, the clamping groove, the limiting box, the moving plate, the clamping block, the pulling rod and the spring, the problems that the height of the existing drawing plate support is not adjustable, the moving is inconvenient and the drawing plate is inconvenient to replace are solved.

Description

Drawing board support convenient to adjust

Technical Field

The utility model belongs to the technical field of drawing board supports, and particularly relates to a drawing board support convenient to adjust.

Background

The drawing board means a flat board used for filling drawing paper when drawing, and is usually placed on an easel, the drawing is on the technical level, a surface is used as a supporting surface, and then the drawing board is colored, wherein the surface can be paper or cloth, and a tool for coloring can be through a drawing pen, a brush, a sponge or a cloth strip and the like.

For example, a drawing board adjusting bracket disclosed in patent number CN202220412257.8 belongs to the technical field of drawing board adjusting brackets, and is characterized by comprising a base, wherein the upper end face of the base is hinged with a U-shaped bracket, the left side and the right side of the front end face of the U-shaped bracket are respectively provided with a chute in a penetrating way, the two chutes are both L-shaped, a fixing rod is fixedly connected inside the U-shaped bracket, and a drawing board fixing plate is arranged in front of the U-shaped bracket; adjustment mechanism sets up in the top of U type frame for adjust the height of drawing board fixed plate, fix the drawing board at the preceding terminal surface of drawing board fixed plate, then use adjustment mechanism to adjust the height of drawing board fixed plate, and then drive the drawing board through the drawing board fixed plate and remove the height of adjusting the drawing board can, thereby through setting up adjustment mechanism, when making the user use this support, can adjust the height of drawing board at will according to self height, and then improve the device practicality.

Based on the retrieval of above-mentioned patent to and combining drawing board support discovery among the prior art, above-mentioned drawing board support is when using, although can adjust the height of drawing board, its practicality is lower, and firstly inconvenient fixed and dismantlement to the drawing board leads to the drawing board to change very troublesome, secondly does not have the removal function, leads to whole support inconvenient regulation use position, is unfavorable for the use.

The utility model not only can adjust the use height of the drawing board, but also can quickly fix and detach the drawing board, is convenient for replacing the drawing board, is convenient for moving, can limit after moving, improves the stability of the whole bracket, and avoids the bracket from generating displacement.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model provides the drawing board support convenient to adjust, which has the advantages of adjustable height, convenient movement and convenient replacement of the drawing board, and solves the problems that the height of the existing drawing board support is not adjustable, the movement is inconvenient and the replacement of the drawing board is inconvenient.

The utility model discloses a drawing board support convenient to adjust, which comprises a lifting board, wherein an adjusting seat is arranged at the bottom of the lifting board, an adjusting mechanism is arranged in the top of the adjusting seat, a moving wheel is fixedly connected to the bottom of the adjusting seat, fixing blocks are fixedly connected to the two sides of the adjusting seat, a hand wheel and a supporting plate are respectively arranged at the top and the bottom of the fixing blocks, a first threaded rod is fixedly connected to the bottom of the hand wheel, the bottom of the first threaded rod penetrates through the fixing blocks and is fixedly connected with the supporting plate, positioning boxes are fixedly connected to the two sides of the top of the lifting board, tension springs are fixedly connected to the bottom of the inner cavity of the positioning box, adjusting plates are fixedly connected to the top of the tension springs, adjusting frames are fixedly connected to the top of the adjusting plates, a board is fixedly connected between the tops of the two adjusting frames, a board body is arranged between the two positioning boxes, inserting blocks are respectively fixedly connected to the top and the bottom of the fixing blocks, inserting blocks are respectively arranged at the bottom of the hand wheel, the bottom of the fixing blocks and the top of the lifting board are fixedly connected to the first threaded rod, inserting blocks penetrate through the fixing blocks and are fixedly connected to the two opposite side of the two side of the inner cavity of the fixing boxes, one side of the fixing boxes extends to the two opposite side of the fixing boxes, two opposite side of the fixing boxes extend to the two opposite side of the inner cavity of the fixing boxes, and the opposite side of the fixing boxes are respectively extend to one side of the fixing boxes.

As the preferable mode of the utility model, the adjusting mechanism comprises a motor, the bottom of the motor is fixedly connected with the inner wall of the adjusting seat, the output ends at two sides of the motor are fixedly connected with second threaded rods, the surfaces of the second threaded rods are sleeved with threaded sleeves, the tops of the threaded sleeves are movably connected with supporting strips, and the tops of the supporting strips penetrate through the adjusting seat and are movably connected with the lifting plate.

As the preferable mode of the utility model, one end of the second threaded rod far away from the motor is movably connected with the inner wall of the adjusting seat through a bearing, threads on the surfaces of the two second threaded rods are opposite, and two ends of the supporting bar are movably connected with the threaded sleeve and the lifting plate through rotating shafts.

As the preferable mode of the utility model, the bottom of the thread sleeve is fixedly connected with a sliding block, and both sides of the bottom of the inner cavity of the adjusting seat are provided with sliding grooves.

As the preferable mode of the utility model, the top of the pull plate is fixedly connected with a handle, and the opposite ends of the two pull rods are fixedly connected with pull blocks.

As the preferable mode of the utility model, the number of the movable wheels is four, the movable wheels are uniformly distributed at four corners of the bottom of the adjusting seat, and the top of the fixed block is provided with threaded holes.

As the preferable shape of the clamping block is trapezoid, the surface of the moving plate is in sliding connection with the inner wall of the limit box.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the matched use of the lifting plate, the adjusting seat, the adjusting mechanism, the moving wheel, the fixed block, the hand wheel, the supporting plate, the first threaded rod, the positioning box, the tension spring, the adjusting plate, the adjusting frame, the pulling plate, the plate body, the inserting block, the inserting groove, the clamping groove, the limiting box, the moving plate, the clamping block, the pulling rod and the spring, the problems that the height of the existing drawing plate support is not adjustable, the moving is inconvenient and the drawing plate is inconvenient to replace are solved.

2. According to the utility model, the motor is started to drive the second threaded rod to rotate, the second threaded rod rotates to drive the two threaded sleeves to be away from each other, the threaded sleeves can drive the lifting plate to adjust the height through the cooperation of the supporting strips, the lifting plate drives the plate body to adjust the height, the rotation of the second threaded rod can be facilitated through the arrangement of the bearing, the installation and the use of the supporting strips can be facilitated through the arrangement of the rotating shaft, and the movement of the threaded sleeves can be facilitated through the arrangement of the sliding blocks and the sliding grooves.

3. The utility model can facilitate the pulling of the pull rod by a user by arranging the grip, can facilitate the use of the first threaded rod by arranging the threaded hole, and can be used for limiting the adjusting frame by arranging the clamping block.

Drawings

FIG. 1 is a schematic diagram of a structure provided by an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of a structure provided by an embodiment of the present utility model;

fig. 3 is an enlarged view of a portion of fig. 2 a provided in accordance with an embodiment of the present utility model.

In the figure: 1. a lifting plate; 2. an adjusting seat; 3. an adjusting mechanism; 301. a motor; 302. a second threaded rod; 303. a thread sleeve; 304. a support bar; 4. a moving wheel; 5. a fixed block; 6. a hand wheel; 7. a support plate; 8. a first threaded rod; 9. a positioning box; 10. a tension spring; 11. an adjusting plate; 12. an adjusting frame; 13. pulling a plate; 14. a plate body; 15. inserting blocks; 16. a slot; 17. a clamping groove; 18. a limit box; 19. a moving plate; 20. a clamping block; 21. a pull rod; 22. and (3) a spring.

Detailed Description

For a further understanding of the utility model, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings.

The structure of the present utility model will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 3, the drawing board support convenient for adjustment provided by the embodiment of the utility model comprises a lifting board 1, an adjusting seat 2 is arranged at the bottom of the lifting board 1, an adjusting mechanism 3 is arranged in an inner cavity of the adjusting seat 2, a movable wheel 4 is fixedly connected at the bottom of the adjusting seat 2, a fixed block 5 is fixedly connected at both sides of the adjusting seat 2, a hand wheel 6 and a supporting plate 7 are respectively arranged at the top and the bottom of the fixed block 5, a first threaded rod 8 is fixedly connected at the bottom of the hand wheel 6, the bottom of the first threaded rod 8 penetrates through the fixed block 5 and is fixedly connected with the supporting plate 7, a positioning box 9 is fixedly connected at both sides of the top of the lifting board 1, a tension spring 10 is fixedly connected at the bottom of the inner cavity of the positioning box 9, an adjusting plate 11 is fixedly connected at the top of the tension spring 10, an adjusting frame 12 is fixedly connected at the top of the adjusting plate 11, the top of the adjusting frame 12 penetrates to the top of the positioning box 9, fixedly connected with arm-tie 13 between the top of two alignment brackets 12, be provided with plate body 14 between two locating boxes 9, the top of plate body 14 and the equal fixedly connected with inserted block 15 of bottom, slot 16 has all been seted up at the bottom of arm-tie 13 and the top of lifter plate 1, the inner chamber of slot 16 is extended to one side that the plate body 14 was kept away from to inserted block 15, draw-in groove 17 has all been seted up to two opposite sides of alignment brackets 12, the equal fixedly connected with spacing box 18 in top of two opposite sides of locating boxes 9, the inner chamber of spacing box 18 is provided with movable plate 19, the both sides of movable plate 19 are fixedly connected with fixture block 20 and pull rod 21 respectively, the inner chamber of draw-in groove 17 is all run through to two opposite sides of fixture block 20, the surface cover of pull rod 21 is equipped with spring 22, the outside to the spacing box 18 is all run through to two opposite one end of pull rod 21.

Referring to fig. 2, the adjustment mechanism 3 includes motor 301, the bottom of motor 301 and the inner wall fixed connection of adjusting seat 2, the equal fixedly connected with second threaded rod 302 of output of motor 301 both sides, the surface cover of second threaded rod 302 is equipped with threaded sleeve 303, the top swing joint of threaded sleeve 303 has support bar 304, the top of support bar 304 runs through adjusting seat 2 and with lifter plate 1 swing joint, the one end that motor 301 was kept away from to second threaded rod 302 passes through bearing swing joint with the inner wall of adjusting seat 2, the screw thread on two second threaded rod 302 surfaces is opposite, the both ends and the threaded sleeve 303 of support bar 304 and lifter plate 1 all pass through pivot swing joint, the bottom fixedly connected with slider of threaded sleeve 303, the spout has all been seted up to both sides of adjusting seat 2 inner chamber bottom.

The scheme is adopted: can drive second threaded rod 302 through opening motor 301 and rotate, second threaded rod 302 rotates and drives two thread bush 303 and keep away from each other, and thread bush 303 can drive lifter plate 1 height-adjusting through the cooperation of support bar 304, and lifter plate 1 drives plate body 14 height-adjusting, through setting up the bearing, can be convenient for the rotation of second threaded rod 302, through setting up the pivot, can be convenient for support bar 304's installation and use, through setting up slider and spout, can be convenient for the removal of thread bush 303.

Referring to fig. 1, 2 and 3, the top of the pull plate 13 is fixedly connected with a handle, opposite ends of the two pull rods 21 are fixedly connected with pull blocks, the number of the moving wheels 4 is four and is uniformly distributed at four corners of the bottom of the adjusting seat 2, the top of the fixed block 5 is provided with threaded holes, the clamping block 20 is trapezoidal, and the surface of the moving plate 19 is in sliding connection with the inner wall of the limit box 18.

The scheme is adopted: by providing a grip, the user can conveniently pull the pull rod 21, by providing a screw hole, the use of the first threaded rod 8 can be facilitated, and by providing the clamp block 20, the regulation frame 12 can be restricted.

The working principle of the utility model is as follows:

when in use, the whole bracket can be moved to a required position through the cooperation of the movable wheel 4, then the first threaded rod 8 is rotated through the cooperation of the hand wheel 6, the first threaded rod 8 rotates to drive the supporting plate 7 to move downwards to be close to the ground until the supporting plate is tightly attached, the stability of the whole device can be improved, the device is prevented from generating displacement, the control motor 301 is started to drive the second threaded rod 302 to rotate, the second threaded rod 302 rotates to drive the two threaded sleeves 303 to be mutually far away, the threaded sleeves 303 can drive the lifting plate 1 to adjust the height through the cooperation of the supporting rods 304, the lifting plate 1 drives the plate body 14 to adjust the height, people with different heights and operating habits can conveniently use the drawing plate, and when the drawing plate needs to be detached, the pull rod 21 can be pulled firstly, the pull rod 21 drives the clamping block 20 to move out of the clamping groove 17 through the matching of the moving plate 19, then the pull plate 13 can be moved upwards, the limit of the plate body 14 is relieved, then the plate body 14 can be operated to be disassembled, when the installation is needed, the insert block 15 at the bottom of the plate body 14 is inserted into the slot 16 at the top of the lifting plate 1, then the pull plate 13 is moved downwards, the insert block 15 at the top of the plate body 14 is inserted into the slot 16 at the bottom of the pull plate 13, the clamping block 20 enters the clamping groove 17, the adjusting frame 12 and the pull plate 13 can be fixed, the plate body 14 is installed conveniently, and the problems that the height of the existing drawing plate support is not adjustable, the movement is inconvenient and the drawing plate replacement is inconvenient are solved.

To sum up: this drawing board support convenient to adjust uses through lifter plate 1, adjusting seat 2, adjustment mechanism 3, removal wheel 4, fixed block 5, hand wheel 6, backup pad 7, first threaded rod 8, locating box 9, extension spring 10, regulating plate 11, alignment jig 12, arm-tie 13, plate body 14, inserted block 15, slot 16, draw-in groove 17, spacing box 18, movable plate 19, fixture block 20, pull rod 21 and spring 22's cooperation, has solved the problem of current drawing board support height-unadjustable, inconvenient removal and inconvenient change drawing board.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Drawing board support convenient to adjust, including lifter plate (1), its characterized in that: the bottom of lifter plate (1) is provided with adjustment seat (2), the inner chamber of adjustment seat (2) is provided with adjustment mechanism (3), the bottom fixedly connected with of adjustment seat (2) removes round (4), the equal fixedly connected with fixed block (5) in both sides of adjustment seat (2), the top and the bottom of fixed block (5) are provided with hand wheel (6) and backup pad (7) respectively, the bottom fixedly connected with first threaded rod (8) of hand wheel (6), the bottom of first threaded rod (8) runs through fixed block (5) and with backup pad (7) fixed connection, the equal fixedly connected with positioning box (9) in both sides at lifter plate (1) top, the bottom fixedly connected with extension spring (10) of positioning box (9) inner chamber, the top fixedly connected with regulating plate (11) of extension spring (10), the top fixedly connected with regulating frame (12) of regulating plate (11), the top of regulating frame (12) runs through to the top of positioning box (9), fixedly connected with top (13) between two regulating frame (12) and two top fixedly connected with fixed plate bodies (14) between two fixed plate bodies (14), slot (16) have all been seted up at the bottom of arm-tie (13) and the top of lifter plate (1), one side that plate body (14) was kept away from to insert piece (15) extends to the inner chamber of slot (16), draw-in groove (17) have all been seted up to one side opposite of two alignment brackets (12), and the top of two opposite sides of box (9) all fixedly connected with spacing box (18), the inner chamber of spacing box (18) is provided with movable plate (19), the both sides of movable plate (19) are fixedly connected with fixture block (20) and pull rod (21) respectively, and the inner chamber that positioning box (9) and extending to draw-in groove (17) are all run through to one side opposite of two fixture blocks (20), the surface cover of pull rod (21) is equipped with spring (22), and the outside that two opposite one ends of pull rod (21) all run through to spacing box (18).

2. The adjustable drawing board support of claim 1, wherein: the adjusting mechanism (3) comprises a motor (301), the bottom of the motor (301) is fixedly connected with the inner wall of the adjusting seat (2), the output ends of the two sides of the motor (301) are fixedly connected with second threaded rods (302), threaded sleeves (303) are sleeved on the surfaces of the second threaded rods (302), supporting bars (304) are movably connected to the tops of the threaded sleeves (303), and the tops of the supporting bars (304) penetrate through the adjusting seat (2) and are movably connected with the lifting plate (1).

3. A palette stand for easy adjustment as defined in claim 2, wherein: one end of the second threaded rod (302) far away from the motor (301) is movably connected with the inner wall of the adjusting seat (2) through a bearing, threads on the surfaces of the two second threaded rods (302) are opposite, and two ends of the supporting bar (304) are movably connected with the threaded sleeve (303) and the lifting plate (1) through rotating shafts.

4. A palette stand for easy adjustment as defined in claim 2, wherein: the bottom of the threaded sleeve (303) is fixedly connected with a sliding block, and sliding grooves are formed in two sides of the bottom of the inner cavity of the adjusting seat (2).

5. The adjustable drawing board support of claim 1, wherein: the top of the pull plate (13) is fixedly connected with a handle, and opposite ends of the two pull rods (21) are fixedly connected with pull blocks.

6. The adjustable drawing board support of claim 1, wherein: the number of the movable wheels (4) is four, the movable wheels are uniformly distributed at four corners of the bottom of the adjusting seat (2), and threaded holes are formed in the top of the fixed block (5).

7. The adjustable drawing board support of claim 1, wherein: the clamping block (20) is trapezoid in shape, and the surface of the moving plate (19) is in sliding connection with the inner wall of the limit box (18).