CN214775059U

CN214775059U - Adjustable drawing board for sports

Info

Publication number: CN214775059U
Application number: CN202120617845.0U
Authority: CN
Inventors: 郭蓉蓉
Original assignee: SHANXI VOCATIONAL COLLEGE OF PHYSICAL EDUCATION
Current assignee: SHANXI VOCATIONAL COLLEGE OF PHYSICAL EDUCATION
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-11-19
Anticipated expiration: 2031-03-26

Abstract

The utility model discloses an adjustable sports drawing board, which comprises a bottom case, wherein the center of the bottom of the inner cavity of the bottom case is rotationally connected with a screw rod through a bearing, the top of the screw rod penetrates through the bottom case and is in threaded connection with a threaded sleeve, a driven gear is sleeved at the bottom of the outer surface of the screw rod, the right side of the bottom of the inner cavity of the bottom case is rotationally connected with a rotating rod through a bearing, and the top of the rotating rod penetrates through the bottom case and is fixedly connected with a rotating disc, the utility model can drive a bearing plate and a drawing board body to move upwards through arranging the rotating disc, the rotating rod, a driving gear, the driven gear, the screw rod and the threaded sleeve, further adjusting the height of the drawing board body, and driving the left side of the drawing board body to move up and down by arranging a servo motor, a threaded rod, a threaded block, a connecting plate and a push rod, and then adjust the angle of drawing board body, through setting up above structure, possess the advantage that can adjust the drawing board as required.

Description

Adjustable drawing board for sports

Technical Field

The utility model relates to a drawing board technical field specifically is sports drawing board with adjustable.

Background

Along with the economy constantly develops, people's standard of living constantly improves, people are more and more respecting to the education cause, learning equipment's demand is also constantly increasing, and the drawing board is exactly one of them, the drawing board is a drawing tool commonly used, often need draw explanation to some sports action and sports equipment in sports teaching, this just needs to use the drawing board to draw, and its structure of current drawing board is mostly fixed, can not adjust as required, and then lead to accomodating and carrying very inconvenient, for this reason we propose adjustable sports drawing board, the problem of proposing more than the solution.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sports drawing board with adjustable possess the advantage that can adjust the drawing board as required, solved current drawing board its structure and mostly all be fixed, can not adjust as required, and then lead to accomodating and carry very inconvenient problem.

In order to achieve the above object, the utility model provides a following technical scheme: an adjustable sports drawing board comprises a bottom case, wherein the center of the bottom of an inner cavity of the bottom case is rotatably connected with a screw rod through a bearing, the top of the screw rod penetrates through the bottom case and is in threaded connection with a threaded sleeve, a driven gear is sleeved at the bottom of the outer surface of the screw rod, the right side of the bottom of the inner cavity of the bottom case is rotatably connected with a rotating rod through a bearing, the top of the rotating rod penetrates through the bottom case and is fixedly connected with a rotary disc, a driving gear is sleeved at the bottom of the outer surface of the rotating rod, the outer surface of the driving gear is meshed with the outer surface of the driven gear, a bearing plate is fixedly connected at the top of the threaded sleeve, a drawing board body is movably connected at the right side of the top of the bearing plate through a movable shaft, a servo motor is fixedly connected at the left side of the inner cavity of the bearing plate, a threaded rod is fixedly connected at the output end of the servo motor, and a threaded block is connected at the left side of the outer surface of the threaded rod, the top fixedly connected with connecting plate of screw thread piece, the position all has the push rod through loose axle swing joint around the connecting plate top, the top of push rod runs through the loading board and passes through loose axle swing joint with the bottom of drawing board body.

Preferably, the bottom of the thread block is fixedly connected with a sliding block, the bottom of the inner cavity of the bearing plate is provided with a sliding groove matched with the sliding block for use, and the outer surface of the sliding block is in sliding connection with the inner surface of the sliding groove.

Preferably, the front and the back of the connecting plate are fixedly connected with guide blocks, guide grooves matched with the guide blocks for use are formed in the front and the back of the inner cavity of the bearing plate, and the outer surfaces of the guide blocks are connected with the inner surfaces of the guide grooves in a sliding mode.

Preferably, the front side and the rear side of the top of the bearing plate are provided with through grooves matched with the push rod for use, and the right side of the top of the turntable is fixedly connected with a handle.

Preferably, the top of the outer surface of the rotating rod is in threaded connection with a nut, and the top of the nut is tightly attached to the top of the bottom box.

Preferably, the right side of the threaded sleeve is fixedly connected with a handle, and four corners of the bottom box are movably connected with universal wheels.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a set up the carousel, the bull stick, the driving gear, driven gear, screw rod and threaded sleeve, can drive loading board and drawing board body and upwards remove, and then highly adjust the drawing board body, through setting up servo motor, the threaded rod, the thread piece, connecting plate and push rod, the left side that can drive the drawing board body reciprocates, and then adjust the angle of drawing board body, through setting up above structure, possess the advantage that can adjust the drawing board as required, it all is fixed mostly to have solved its structure of current drawing board, can not adjust as required, and then lead to accomodating and carry very inconvenient problem.

2. The utility model can guide the movement of the thread block and limit the movement of the thread block by arranging the sliding block and the sliding groove;

the guide block and the guide groove are arranged, so that the guide function can be realized on the movement of the connecting plate, and the movement of the connecting plate is limited;

the push rod can be conveniently moved by arranging the through groove, and the rotary table can be conveniently rotated by arranging the handle;

through setting up the nut, can fix the bull stick, prevent that the bull stick from producing the rotation.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a perspective view of the screw and threaded sleeve structure of the present invention;

FIG. 3 is a perspective view of the servo motor and threaded rod structure of the present invention;

FIG. 4 is a cross-sectional perspective view of the bearing plate structure of the present invention;

fig. 5 is a partial enlarged view of a portion a in the structure diagram 1 of the present invention.

In the figure: 1. a bottom box; 2. a screw; 3. a threaded sleeve; 4. a driven gear; 5. a rotating rod; 6. a turntable; 7. a driving gear; 8. a carrier plate; 9. a drawing board body; 10. a servo motor; 11. a threaded rod; 12. a thread block; 13. a connecting plate; 14. a push rod; 15. a slider; 16. a chute; 17. a guide block; 18. a guide groove; 19. a through groove; 20. and (4) a nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, an adjustable sports drawing board comprises a bottom case 1, a screw rod 2 rotatably connected to the center of the bottom of the inner cavity of the bottom case 1 through a bearing, a threaded sleeve 3 screwed to the top of the screw rod 2 and penetrating through the bottom case 1, a driven gear 4 sleeved to the bottom of the outer surface of the screw rod 2, a rotating rod 5 rotatably connected to the right side of the bottom of the inner cavity of the bottom case 1 through a bearing, a rotating disk 6 fixedly connected to the top of the rotating rod 5 and penetrating through the bottom case 1, a driving gear 7 sleeved to the bottom of the outer surface of the rotating rod 5, the outer surface of the driving gear 7 engaged with the outer surface of the driven gear 4, a bearing plate 8 fixedly connected to the top of the threaded sleeve 3, a drawing board body 9 movably connected to the right side of the top of the bearing plate 8 through a movable shaft, a servo motor 10 fixedly connected to the left side of the inner cavity of the bearing plate 8, a threaded rod 11 fixedly connected to the output end of the servo motor 10, the left side of the outer surface of the threaded rod 11 is in threaded connection with a threaded block 12, the top of the threaded block 12 is fixedly connected with a connecting plate 13, the front and back positions of the top of the connecting plate 13 are respectively and movably connected with a push rod 14 through a movable shaft, the top of the push rod 14 penetrates through the bearing plate 8 and is movably connected with the bottom of the drawing board body 9 through the movable shaft, through the arrangement of the turntable 6, the rotating rod 5, the driving gear 7, the driven gear 4, the screw rod 2 and the threaded sleeve 3, the bearing plate 8 and the drawing board body 9 can be driven to move upwards, further the height of the drawing board body 9 is adjusted, through the arrangement of the servo motor 10, the threaded rod 11, the threaded block 12, the connecting plate 13 and the push rod 14, the left side of the drawing board body 9 can be driven to move upwards and downwards, further the angle of the drawing board body 9 is adjusted, through the arrangement, the advantages that the drawing board can be adjusted according to requirements are achieved, the problem of its structure of current drawing board mostly all be fixed, can not adjust as required, and then lead to accomodating and carry very inconvenient is solved.

Referring to fig. 3 and 4, a sliding block 15 is fixedly connected to the bottom of the threaded block 12, a sliding groove 16 used in cooperation with the sliding block 15 is formed in the bottom of the inner cavity of the bearing plate 8, the outer surface of the sliding block 15 is slidably connected with the inner surface of the sliding groove 16, and the sliding block 15 and the sliding groove 16 are arranged to guide the movement of the threaded block 12 and limit the movement of the threaded block 12.

Referring to fig. 3 and 4, the front and the back of the connecting plate 13 are both fixedly connected with guide blocks 17, the front and the back of the inner cavity of the bearing plate 8 are both provided with guide grooves 18 used in cooperation with the guide blocks 17, the outer surface of the guide blocks 17 is slidably connected with the inner surface of the guide grooves 18, and by arranging the guide blocks 17 and the guide grooves 18, the connecting plate 13 can be guided to move and the connecting plate 13 can be limited to move.

Referring to fig. 1, 2 and 5, the front and rear sides of the top of the bearing plate 8 are provided with through grooves 19 used in cooperation with the push rod 14, the handle is fixedly connected to the right side of the top of the rotary table 6, the push rod 14 can be conveniently moved by arranging the through grooves 19, and the rotary table 6 can be conveniently rotated by arranging the handle.

Referring to fig. 1 and 5, a nut 20 is threadedly connected to the top of the outer surface of the rotating rod 5, the top of the nut 20 is tightly attached to the top of the bottom case 1, and the rotating rod 5 can be fixed by the nut 20 to prevent the rotating rod 5 from rotating.

Referring to fig. 1 and 5, the right side of the threaded sleeve 3 is fixedly connected with a handle, and four corners of the bottom case 1 are movably connected with universal wheels.

The working principle is as follows:

the first implementation innovation point step: when the height of the drawing board body 9 needs to be adjusted, the nut 20 is firstly rotated to separate the nut 20 from the bottom box 1, then the rotating disc 6 is rotated, the handle is held at the same time, the threaded sleeve 3 is prevented from rotating along with the rotating disc 6, the rotating disc 6 drives the rotating rod 5 to rotate, the rotating rod 5 drives the driving gear 7 to rotate, the driving gear 7 drives the driven gear 4 to rotate, the driven gear 4 drives the threaded rod 11 to rotate, the threaded rod 11 drives the threaded sleeve 3 to move upwards, the threaded sleeve 3 drives the bearing plate 8 and the drawing board body 9 to move upwards, and further the height of the drawing board body 9 is adjusted;

the second implementation innovation point step: electrifying a plug of a servo motor 10, starting an external switch of the servo motor 10 when the angle of the drawing board body 9 needs to be adjusted, enabling the servo motor 10 to rotate, driving a threaded rod 11 to rotate by the servo motor 10, driving a threaded block 12 to move left and right by the threaded rod 11 through the guide of a sliding block 15 and a sliding groove 16, driving a connecting plate 13 to move left and right by the threaded block 12 through the guide of a guide block 17 and a guide groove 18, driving a push rod 14 to move left and right by the connecting plate 13, driving the left side of the drawing board body 9 to move up and down by the push rod 14, and further adjusting the angle of the drawing board body 9;

through setting up above structure, possess the advantage that can adjust the drawing board as required, solved its structure of current drawing board and mostly all be fixed, can not adjust as required, and then lead to accomodating and carry very inconvenient problem.

The control mode of the present application is controlled by an external controller, and the control circuit of the controller can be realized by a simple circuit of a person skilled in the art, which belongs to the common knowledge in the art, and the present application mainly protects a mechanical device, so the control mode and the circuit connection are not explained in detail in the present application.

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

Claims

1. Sports drawing board with adjustable, including bottom case (1), its characterized in that: the center of the bottom of the inner cavity of the bottom box (1) is rotatably connected with a screw rod (2) through a bearing, the top of the screw rod (2) penetrates through the bottom box (1) and is in threaded connection with a threaded sleeve (3), a driven gear (4) is sleeved at the bottom of the outer surface of the screw rod (2), the right side of the bottom of the inner cavity of the bottom box (1) is rotatably connected with a rotating rod (5) through a bearing, the top of the rotating rod (5) penetrates through the bottom box (1) and is fixedly connected with a turntable (6), a driving gear (7) is sleeved at the bottom of the outer surface of the rotating rod (5), the outer surface of the driving gear (7) is meshed with the outer surface of the driven gear (4), a bearing plate (8) is fixedly connected with the top of the threaded sleeve (3), the right side of the top of the bearing plate (8) is movably connected with a drawing plate body (9) through a movable shaft, and a servo motor (10) is fixedly connected with the left side of the inner cavity of the bearing plate (8), output fixedly connected with threaded rod (11) of servo motor (10), the left side threaded connection of threaded rod (11) surface has screw block (12), the top fixedly connected with connecting plate (13) of screw block (12), the position all has push rod (14) through loose axle swing joint around connecting plate (13) top, the top of push rod (14) runs through loading board (8) and passes through loose axle swing joint with the bottom of drawing board body (9).

2. The adjustable sports drawing tablet of claim 1, wherein: the bottom fixedly connected with slider (15) of screw thread piece (12), spout (16) that cooperation slider (15) used are seted up to the bottom of loading board (8) inner chamber, the surface of slider (15) and the internal surface sliding connection of spout (16).

3. The adjustable sports drawing tablet of claim 1, wherein: the equal fixedly connected with guide block (17) in front and the back of connecting plate (13), guide way (18) that cooperation guide block (17) used are all seted up to the front and the back of loading board (8) inner chamber, the surface of guide block (17) and the internal surface sliding connection of guide way (18).

4. The adjustable sports drawing tablet of claim 1, wherein: the front side and the rear side of the top of the bearing plate (8) are provided with through grooves (19) matched with the push rods (14) for use, and the right side of the top of the turntable (6) is fixedly connected with a handle.

5. The adjustable sports drawing tablet of claim 1, wherein: the top threaded connection of bull stick (5) surface has nut (20), the top of nut (20) and the top of under casing (1) are closely laminated.

6. The adjustable sports drawing tablet of claim 1, wherein: the right side of the threaded sleeve (3) is fixedly connected with a handle, and four corners of the bottom box (1) are movably connected with universal wheels.