CN212986624U - Sports teaching is with presentation device who conveniently removes - Google Patents
Sports teaching is with presentation device who conveniently removes Download PDFInfo
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- CN212986624U CN212986624U CN202021918783.9U CN202021918783U CN212986624U CN 212986624 U CN212986624 U CN 212986624U CN 202021918783 U CN202021918783 U CN 202021918783U CN 212986624 U CN212986624 U CN 212986624U
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Abstract
The utility model discloses a conveniently-moved demonstration device for physical education, which relates to the field of teaching aids and comprises a support plate, wherein the upper surface of the support plate is provided with a display, and the left side and the right side of the display are fixedly connected with fixed blocks; the rear side of the supporting plate is fixedly connected with a driving box, two threaded rods which are symmetrically distributed are rotatably connected in the driving box through a bearing, a groove communicated with the driving box is formed in the surface of the supporting plate, and one end, away from the driving box, of each threaded rod is rotatably connected with the bottom of the groove; the equal fixedly connected with belt pulley of outer wall of two threaded rods, the accordant connection has the belt between two belt pulleys, the lateral wall fixedly connected with motor of drive box, the output of motor and the one end fixed connection of one of them threaded rod. The utility model discloses can conveniently protect the display, effectually avoid the display to remove the easy problem of damaging of in-process, and can conveniently highly adjust the display.
Description
Technical Field
The utility model relates to a teaching aid field, in particular to sports teaching is with presentation device of convenient removal.
Background
The physical education is a purposeful and organized education process carried out according to a certain plan and course standards, and the physical education is participated by teachers and students, and aims to teach students physical education knowledge, technology and skill, enhance physique, cultivate moral, will, quality and the like, is a basic form for realizing physical education in schools, and is one of implementation ways of physical objects.
When demonstrating some actions in the sports teaching through display device such as use display among the prior art, be not convenient for remove it, mostly need the manual work to carry it, too loaded down with trivial details inconvenience, and remove the in-process, cause the damage to display device easily to can cause the influence to the action demonstration.
Therefore, it is necessary to provide a portable demonstration device for physical education to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a sports teaching is with presentation device who conveniently removes to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a conveniently-moved demonstration device for physical education comprises a supporting plate, wherein a display is arranged on the upper surface of the supporting plate, and fixing blocks are fixedly connected to the left side and the right side of the display;
the rear side of the supporting plate is fixedly connected with a driving box, two threaded rods which are symmetrically distributed are rotatably connected in the driving box through a bearing, a groove communicated with the driving box is formed in the surface of the supporting plate, and one end, away from the driving box, of each threaded rod is rotatably connected with the bottom of the groove;
the outer walls of the two threaded rods are fixedly connected with belt pulleys, a belt is connected between the two belt pulleys in a matching manner, the side wall of the driving box is fixedly connected with a motor, and the output end of the motor is fixedly connected with one end of one of the threaded rods;
the outer wall of the threaded rod is in threaded connection with a threaded barrel, the upper surface of the threaded barrel is rotatably connected with the bottom of the fixed block through a ball, the upper surface of the supporting plate is rotatably connected with a pushing rod, one end, away from the supporting plate, of the pushing rod is rotatably connected with a first sliding block, and a first sliding groove matched and connected with the first sliding block is formed in the front side of the fixed block;
the bottom of backup pad is provided with height adjusting mechanism, height adjusting mechanism's bottom fixedly connected with bottom plate, the equal fixedly connected with universal wheel in bottom four corners department of bottom plate.
Preferably, the left side and the right side of the threaded cylinder are fixedly connected with guide rods, and the left side and the right side of the groove are provided with guide grooves corresponding to the guide rods.
Preferably, the upper surface of the supporting plate is fixedly connected with a supporting rod, and one end of the supporting rod, far away from the supporting plate, is fixedly connected with a shielding plate.
Preferably, the right side of the supporting plate is fixedly connected with a handrail, and the surface of the handrail is provided with a non-slip mat.
Preferably, the height adjusting mechanism comprises an outer barrel, an extension rod is connected in the outer barrel in a sliding mode, one end, far away from the outer barrel, of the extension rod is fixedly connected with the bottom of the supporting plate, the bottom of the outer barrel is fixedly connected with the upper surface of the bottom plate, a threaded hole is formed in the front side of the outer barrel, and a bolt corresponding to the extension rod is connected to the inner thread of the threaded hole.
Preferably, the fixed plate is fixedly connected to the left side and the right side of the outer barrel, the stabilizing rod is slidably connected to the left side and the right side of the fixed plate, one end, away from the fixed plate, of the stabilizing rod is fixedly connected to the bottom of the supporting plate, the second slider is fixedly connected to the bottom end of the stabilizing rod, and the second sliding groove matched and connected with the second slider is formed in one side, away from the outer barrel, of the fixed plate.
The utility model discloses a technological effect and advantage:
1. be provided with the drive box through the lateral wall in the backup pad, and set up flutedly at the upper surface of backup pad, when needs use the display, starter motor, the motor drives one of them threaded rod and rotates, the threaded rod drives one of them belt pulley and rotates, and through the belt transmission, it rotates to drive another belt pulley, another belt pulley drives another threaded rod and rotates, consequently, two threaded rod synchronous rotations, the threaded rod promotes a screw thread section of thick bamboo through the principle of screw thread removal, screw thread section of thick bamboo pulling fixed block, the fixed block promotes the catch bar, the catch bar promotes the fixed block and overturns, the fixed block drives the display and overturns, thereby erect the display, otherwise can pack up the display, can conveniently protect the display, the effectual problem of avoiding the display to damage easily at the removal in-process.
2. Be provided with height adjustment mechanism through the lower surface at the backup pad, when needs are adjusted the height of display, rotate the bolt, make the bolt not hard up, the pulling backup pad, backup pad pulling extension rod and firm pole, firm pole pulling second slider makes the second slider slide in the second spout, adjusts to suitable position after, locks the extension rod through using the bolt, can conveniently adjust the height of display.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural view of the cross-sectional view taken along the direction a-a of fig. 1 according to the present invention.
Fig. 3 is an enlarged schematic structural diagram of a portion B of fig. 2 according to the present invention.
In the figure: 1. a support plate; 2. a display; 3. a fixed block; 4. a drive cartridge; 5. a threaded rod; 6. a groove; 7. a belt pulley; 8. a belt; 9. a height adjustment mechanism; 91. an outer cylinder; 92. an extension pole; 93. a bolt; 10. a motor; 11. a threaded barrel; 12. a push rod; 13. a base plate; 14. a universal wheel; 15. a guide bar; 16. a support bar; 17. a shielding plate; 18. a handrail; 19. a fixing plate; 20. and (4) stabilizing the rod.
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.
The utility model provides a demonstration device which is shown in figures 1-3 and is convenient to move for physical education, comprising a supporting plate 1, wherein the upper surface of the supporting plate 1 is provided with a display 2, and the left side and the right side of the display 2 are both fixedly connected with a fixed block 3;
a driving box 4 is fixedly connected to the rear side of the supporting plate 1, two threaded rods 5 which are symmetrically distributed are rotatably connected in the driving box 4 through bearings, a groove 6 communicated with the driving box 4 is formed in the surface of the supporting plate 1, and one end, far away from the driving box 4, of each threaded rod 5 is rotatably connected with the bottom of the groove 6;
the outer walls of the two threaded rods 5 are fixedly connected with belt pulleys 7, a belt 8 is connected between the two belt pulleys 7 in a matching manner, the side wall of the driving box 4 is fixedly connected with a motor 10, and the output end of the motor 10 is fixedly connected with one end of one of the threaded rods 5;
the outer wall of the threaded rod 5 is in threaded connection with a threaded barrel 11, the upper surface of the threaded barrel 11 is rotatably connected with the bottom of the fixed block 3 through a ball, the upper surface of the supporting plate 1 is rotatably connected with a pushing rod 12, one end, far away from the supporting plate 1, of the pushing rod 12 is rotatably connected with a first sliding block, and the front side of the fixed block 3 is provided with a first sliding groove in matched connection with the first sliding block;
the bottom of backup pad 1 is provided with height adjusting mechanism 9, and height adjusting mechanism 9's bottom fixedly connected with bottom plate 13, the equal fixedly connected with universal wheel 14 in bottom four corners department of bottom plate 13 is provided with the brake block on the universal wheel 14, removes assigned position with it after, the accessible uses the brake block to lock universal wheel 14.
The equal fixedly connected with guide bar 15 of the left and right sides of a screw thread section of thick bamboo 11, the guide way corresponding with guide bar 15 is all seted up to the left and right sides of recess 6, and screw thread section of thick bamboo 11 pulling guide bar 15 can make guide bar 15 in the guide way, can conveniently lead to a screw thread section of thick bamboo 11.
The upper surface fixedly connected with bracing piece 16 of backup pad 1, the one end fixedly connected with shielding plate 17 of backup pad 1 is kept away from to bracing piece 16, is provided with shielding plate 17 through the top at display 2, can conveniently shelter from rainwater and sunshine.
The right side of the supporting plate 1 is fixedly connected with an armrest 18, the surface of the armrest 18 is provided with a non-slip mat, and the supporting plate 1 can be pushed by the armrest 18 by pushing the armrest 18, so that the universal wheels 14 move.
The height adjusting mechanism 9 comprises an outer barrel 91, an extension rod 92 is connected in the outer barrel 91 in a sliding manner, one end, far away from the outer barrel 91, of the extension rod 92 is fixedly connected with the bottom of the support plate 1, the bottom of the outer barrel 91 is fixedly connected with the upper surface of the bottom plate 13, a threaded hole is formed in the front side of the outer barrel 91, a bolt 93 corresponding to the extension rod 92 is connected in a threaded hole in a threaded manner, fixing plates 19 are fixedly connected to the left side and the right side of the outer barrel 91 respectively, stabilizing rods 20 are connected to the left side and the right side of the fixing plates 19 respectively in a sliding manner, one end, far away from the fixing plates 19, of each stabilizing rod 20 is fixedly connected with the bottom of the support plate 1, a second sliding block is fixedly connected to the bottom end of each stabilizing rod 20, a second sliding groove matched and connected with the second sliding block is, the second slider is pulled by the stabilizing rod 20, so that the second slider slides in the second sliding groove, and after the second slider is adjusted to a proper position, the extension rod 92 is locked by using the bolt 93, and the height of the display 2 can be conveniently adjusted.
The utility model discloses the theory of operation: firstly, the display 2 is moved to a designated position by using the universal wheel 14, the motor 10 is started, the motor 10 drives one of the threaded rods 5 to rotate, the threaded rod 5 drives one of the belt pulleys 7 to rotate and transmits the rotation through the belt 8 to drive the other belt pulley 7 to rotate, the other belt pulley 7 drives the other threaded rod 5 to rotate, and therefore the two threaded rods 5 synchronously rotate;
then the threaded rod 5 pushes the threaded barrel 11 according to the principle of thread movement, the threaded barrel 11 pulls the fixed block 3, the fixed block 3 pushes the push rod 12, the push rod 12 pushes the fixed block 3 to turn over, and the fixed block 3 drives the display 2 to turn over, so that the display 2 is erected;
finally, the bolt 93 is rotated, the bolt 93 is loosened, the supporting plate 1 is pulled, the extending rod 92 and the stabilizing rod 20 are pulled by the supporting plate 1, the second sliding block is pulled by the stabilizing rod 20, the second sliding block slides in the second sliding groove, and after the appropriate position is adjusted, the extending rod 92 is locked by the bolt 93, so that the height of the display 2 can be conveniently adjusted.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The utility model provides a sports teaching is with presentation device of convenient removal, includes backup pad (1), its characterized in that: a display (2) is arranged on the upper surface of the supporting plate (1), and fixing blocks (3) are fixedly connected to the left side and the right side of the display (2);
the rear side of the supporting plate (1) is fixedly connected with a driving box (4), two threaded rods (5) which are symmetrically distributed are rotatably connected in the driving box (4) through bearings, a groove (6) communicated with the driving box (4) is formed in the surface of the supporting plate (1), and one end, far away from the driving box (4), of each threaded rod (5) is rotatably connected with the bottom of the corresponding groove (6);
the outer walls of the two threaded rods (5) are fixedly connected with belt pulleys (7), a belt (8) is connected between the two belt pulleys (7) in a matching mode, the side wall of the driving box (4) is fixedly connected with a motor (10), and the output end of the motor (10) is fixedly connected with one end of one of the threaded rods (5);
the outer wall of the threaded rod (5) is in threaded connection with a threaded barrel (11), the upper surface of the threaded barrel (11) is rotatably connected with the bottom of the fixed block (3) through a ball, the upper surface of the supporting plate (1) is rotatably connected with a push rod (12), one end, far away from the supporting plate (1), of the push rod (12) is rotatably connected with a first sliding block, and a first sliding groove matched and connected with the first sliding block is formed in the front side of the fixed block (3);
the bottom of backup pad (1) is provided with height adjusting mechanism (9), the bottom fixedly connected with bottom plate (13) of height adjusting mechanism (9), the equal fixedly connected with universal wheel (14) of bottom four corners department of bottom plate (13).
2. A portable game presentation apparatus for athletic teaching according to claim 1, wherein: the equal fixedly connected with guide bar (15) of the left and right sides of screw thread section of thick bamboo (11), the guide way corresponding with guide bar (15) is all seted up to the left and right sides of recess (6).
3. A portable game presentation apparatus for athletic teaching according to claim 1, wherein: the upper surface of the supporting plate (1) is fixedly connected with a supporting rod (16), and one end of the supporting rod (16) far away from the supporting plate (1) is fixedly connected with a baffle plate (17).
4. A portable game presentation apparatus for athletic teaching according to claim 1, wherein: the right side of the supporting plate (1) is fixedly connected with a handrail (18), and the surface of the handrail (18) is provided with a non-slip mat.
5. A portable game presentation apparatus for athletic teaching according to claim 1, wherein: height adjusting mechanism (9) include urceolus (91), sliding connection has extension rod (92) in urceolus (91), the one end that urceolus (91) were kept away from in extension rod (92) and the bottom fixed connection of backup pad (1), the bottom of urceolus (91) is connected with the last fixed surface of bottom plate (13), the front side of urceolus (91) is opened and is equipped with the screw hole, and screw hole female connection has bolt (93) corresponding with extension rod (92).
6. A portable game presentation apparatus for athletic instruction according to claim 5, wherein: the equal fixedly connected with fixed plate (19) of the left and right sides of urceolus (91), the equal sliding connection in the left and right sides of fixed plate (19) has firm pole (20), the one end that fixed plate (19) were kept away from in firm pole (20) and the bottom fixed connection of backup pad (1), the bottom fixedly connected with second slider of firm pole (20), the second spout with second slider accordant connection is seted up to one side that urceolus (91) were kept away from in fixed plate (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021918783.9U CN212986624U (en) | 2020-09-05 | 2020-09-05 | Sports teaching is with presentation device who conveniently removes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021918783.9U CN212986624U (en) | 2020-09-05 | 2020-09-05 | Sports teaching is with presentation device who conveniently removes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212986624U true CN212986624U (en) | 2021-04-16 |
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ID=75416216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021918783.9U Active CN212986624U (en) | 2020-09-05 | 2020-09-05 | Sports teaching is with presentation device who conveniently removes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212986624U (en) |
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2020
- 2020-09-05 CN CN202021918783.9U patent/CN212986624U/en active Active
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