CN213177535U

CN213177535U - A action demonstration teaching aid for sports teaching

Info

Publication number: CN213177535U
Application number: CN202021555527.8U
Authority: CN
Inventors: 李元博
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-05-11
Anticipated expiration: 2030-07-31

Abstract

The utility model provides a motion demonstration teaching aid for sports teaching, has solved the problem that the incessant demonstration action of present sports teaching in-process teacher caused working strength to be big. The lifting device comprises a bottom plate, wherein L-shaped vertical plates are fixed at the lower ends of four corners of the bottom plate, a caster supporting plate is hinged to the inner side of each vertical plate, walking wheels are rotatably connected to the lower end of each caster supporting plate, a first connecting rod is hinged to the upper end of each caster supporting plate, two rectangular blocks which slide relatively are arranged below the bottom plate, the inner end of each first connecting rod is hinged and fixed with the corresponding rectangular block, and the two rectangular blocks horizontally slide relatively to form a structure in which the plurality of caster supporting plates; the bottom plate upper end is fixed with vertical gliding backup pad, and the backup pad left side is equipped with the display screen, and display screen one end is articulated fixed with the backup pad, is equipped with the telescopic link between display screen and the backup pad, and the telescopic link left end is articulated fixed with the backup pad, and the telescopic link right-hand member is articulated fixed with the display screen.

Description

A action demonstration teaching aid for sports teaching

Technical Field

The utility model belongs to the technical field of education equipment technique and specifically relates to a motion demonstration teaching aid for sports teaching is related to.

Background

Physical education is a purposeful and organized educational process performed according to certain plans and curriculum standards. The physical education is participated in by teachers and students, and the task is to teach students physical knowledge, technique and skill, strengthen their physique, cultivate their moral, will, quality, etc.

In the process of modern physical education, the body actions of students need to be taught, even the actions need to be decomposed one by one, so that the students hold the actions completely, in the whole process, teachers need to perform action demonstration continuously, so that the students can master the actions, the purpose of teaching is achieved, however, the working strength of the teachers is very high, after the students in one day get off, the students can be tired out, and the burden of teaching is increased.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides an action demonstration teaching aid for sports teaching, the effectual problem that the incessant demonstration action of teacher caused working strength to be big among the present sports teaching process of having solved.

In order to solve the problems, the utility model comprises a bottom plate, wherein L-shaped vertical plates are fixed at the lower ends of four corners of the bottom plate, a caster wheel supporting plate is hinged at the inner side of each vertical plate, the lower end of the caster wheel supporting plate is rotatably connected with a traveling wheel, a first connecting rod is hinged at the upper end of the caster wheel supporting plate, two rectangular blocks which slide relatively are arranged below the bottom plate, the inner end of the first connecting rod is hinged and fixed with the rectangular blocks, and the two rectangular blocks slide horizontally and relatively to form a structure that a plurality of;

the bottom plate upper end is fixed with vertical gliding backup pad, and the backup pad left side is equipped with the display screen, and display screen one end is articulated fixed with the backup pad, is equipped with the telescopic link between display screen and the backup pad, and the telescopic link left end is articulated fixed with the backup pad, and the telescopic link right-hand member is articulated fixed with the display screen.

Preferably, the lower end of the bottom plate is rotatably connected with a rotating shaft, the thread turning directions of the left end and the right end of the rotating shaft are opposite, the two ends of the rotating shaft are respectively in threaded connection with the rectangular blocks, and the rotating shaft rotates to form a structure that the two rectangular blocks slide relatively.

Preferably, the front end and the rear end of the rotating shaft are respectively provided with a guide rod, the guide rods are fixedly connected with the bottom plate, and the guide rods can slidably penetrate through the rectangular block.

Preferably, the upper end of the bottom plate is fixedly connected with a hollow barrel, a threaded rod is rotatably arranged in the barrel, a cylinder which vertically slides is arranged above the barrel, the cylinder is in threaded connection with the threaded rod, the threaded rod rotates to form a structure in which the cylinder vertically slides, and the supporting plate is connected with the cylinder.

Preferably, the upper end of the cylinder is rotatably provided with a support rod, and the support plate is fixedly connected with the support rod.

Preferably, the upper end of the cylinder is provided with a clamping device of the supporting rod;

the clamping device comprises two arc-shaped clamping plates, and the clamping plates are hinged and fixed with the cylinder;

a square block which slides horizontally is arranged above the cylinder, a second connecting rod is hinged to the outer side of the clamping plate, and the second connecting rod is hinged and fixed with the square block.

The utility model discloses novel structure, think about ingeniously, easy operation is convenient, can adjust the display screen the height, turn to and with the horizontal plane between the contained angle, make things convenient for the student to watch the action demonstration on the display screen, reduce teacher's working strength.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic diagram of the side-axis structure of the present invention.

Fig. 3 is a schematic view of the structure below the bottom plate of the present invention.

Fig. 4 is a schematic structural view of the cylinder and the barrel of the present invention after being partially cut open.

Fig. 5 is a schematic view of the internal structure of the cylinder of the present invention.

Fig. 6 is a schematic structural view of the clamping device of the present invention.

Detailed Description

The following describes the present invention in further detail with reference to fig. 1-6.

As shown in fig. 1-6, the utility model comprises a bottom plate 1, wherein L-shaped vertical plates 2 are fixed at the lower ends of four corners of the bottom plate 1, a caster supporting plate 4 is hinged at the inner side of each vertical plate 2, the lower end of the caster supporting plate 4 is rotatably connected with a traveling wheel 3, a first connecting rod 5 is hinged at the upper end of the caster supporting plate 4, two rectangular blocks 6 which slide relatively are arranged below the bottom plate 1, the inner end of the first connecting rod 5 is hinged and fixed with the rectangular blocks 6, and the two rectangular blocks 6 horizontally slide relatively to form a structure that a plurality of caster supporting plates 4 swing simultaneously;

the utility model discloses a display screen, including bottom plate 1, backup pad 7, telescopic link 9, backup pad 7, display screen 8, backup pad 8, telescopic link 9 and backup pad 7, the upper end of bottom plate 1 is fixed with vertical gliding backup pad 7, and the backup pad 7 left side is equipped with

display screen

8, and 8 one ends of display screen are articulated fixed with backup pad 7, are equipped with telescopic link 9 between display screen 8 and the

backup pad

7, and 9 left ends of telescopic link are articulated fixed with.

As shown in fig. 1-3, when the equipment needs to be moved, the road wheels 3 are normally extended, and at this time, the equipment can be conveniently moved, and when the equipment is operated to a proper position, through the relative sliding of the two rectangular blocks 6, so that the four travelling wheels 3 are simultaneously retracted inwards, the vertical plate 2 is contacted with the ground, the equipment can be reliably fixed at the moment, the equipment cannot move, in addition, the height and the angle of the display screen 8 can be adjusted, when the telescopic rod 9 is extended and contracted, thereby adjusted the contained angle between display screen 8 and the horizontal plane, telescopic link 9 includes the sleeve pipe of articulated fixed with backup pad 7, and the intraductal slidable of cover is equipped with the slide bar, and the slide bar outer end is as for the sleeve pipe outside, and the sleeve pipe other end is articulated fixed with display screen 8, is connected through holding screw between sleeve pipe and the slide bar.

The lower end of the bottom plate 1 is rotatably connected with a rotating shaft 10, the thread turning directions of the left end and the right end of the rotating shaft 10 are opposite, the two ends of the rotating shaft 10 are respectively in threaded connection with the rectangular blocks 6, and the rotating shaft 10 rotates to form a structure that the two rectangular blocks 6 slide relatively.

The front end and the rear end of the rotating shaft 10 are respectively provided with a guide rod 11, the guide rods 11 are fixedly connected with the bottom plate 1, and the guide rods 11 can slidably penetrate through the rectangular block 6.

As shown in fig. 3, bottom plate 1 lower extreme fixedly connected with motor, the axle head of motor and the one end fixed connection of axis of rotation 10 drive axis of rotation 10 through the rotation of motor and rotate to realize the relative slip of two rectangular blocks 6, the both ends of every rectangular block 6 all articulate has first connecting rod 5, totally four, just in time corresponding with the quantity of walking wheel 3, the existence of guide bar 11 leads rectangular block 6, guarantees that rectangular block 6 carries out the horizontal slip.

The upper end of the bottom plate 1 is fixedly connected with a hollow barrel 12, a threaded rod 14 is rotatably arranged in the barrel 12, a cylinder 13 which vertically slides is arranged above the barrel 12, the cylinder 13 is in threaded connection with the threaded rod 14, the threaded rod 14 rotates to form a structure that the cylinder 13 vertically slides, and the supporting plate 7 is connected with the cylinder 13.

As shown in fig. 4 and 5, an internal gear 20 is rotatably provided in the cylinder 12, the lower end of the threaded rod 14 is fixedly connected with the internal gear 20, a pinion 21 is engaged with the inner side of the internal gear 20, the pinion 21 is rotatably fixed in the cylinder 12, a first bevel gear 22 is coaxially fixed on the pinion 21, a second bevel gear 23 is engaged with the outer side of the first bevel gear 22, an operating wheel 24 is coaxially provided on the second bevel gear 23, the operating wheel 24 is positioned on the outer side of the cylinder 12, thus, the threaded rod 14 can be driven to rotate by the rotation of the operating wheel 24, a plurality of guide shafts are fixedly connected with the outer side of the cylinder 13, a plurality of guide noses are fixed on the outer side of the cylinder body 12, the lower ends of the guide shafts can slidably penetrate through the guide noses and are arranged below the guide noses, the lower ends of the guide shafts are fixedly connected with baffle plates, thus, the vertical sliding of the cylinder 13 is limited, and the threaded rod 14 is prevented from being separated from the cylinder 13.

The upper end of the cylinder 13 is rotatably provided with a support rod 15, and the support plate 7 is fixedly connected with the support rod 15.

As shown in fig. 4, the support rod 15 can rotate, so that the rotation direction of the support plate 7 can be adjusted, the rotation direction of the display screen 8 can be adjusted, and the use convenience of the device is improved.

The upper end of the cylinder 13 is provided with a clamping device 16 of a support rod 15;

the clamping device 16 comprises two arc-shaped clamping plates 17, and the clamping plates 17 are hinged and fixed with the cylinder 13;

a square block 18 which slides horizontally is arranged above the cylinder 13, a second connecting rod 19 is hinged to the outer side of the clamping plate 17, and the second connecting rod 19 is hinged and fixed with the square block 18.

As shown in fig. 6, the inner side of the clamping plate 17 is of an arc-shaped structure, the outer circumferences of the rest support rods 15 are matched, when the block 18 horizontally slides, the clamping plate 17 swings under the action of the second connecting rod 19, so that the support rods 15 are locked or loosened, a horizontal T-shaped groove is formed in the cylinder 13, a T-shaped block is slidably arranged in the T-shaped groove, the upper end of the T-shaped block penetrates through the T-shaped groove and is fixedly connected with the block 18, a set screw is in threaded connection with the block 18, and the set screw is in contact extrusion with the upper end face of the cylinder 13 through the set screw, so that the block 18 is fixed.

The utility model discloses when using, after removing the position of needs with equipment, walking wheel 3 retractions, riser 2 and ground contact this moment accomplish the fixed of equipment, display screen 8 the height, turn to in addition and the horizontal plane between the contained angle all can adjust, make things convenient for the normal use of equipment.

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 may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The motion demonstration teaching aid for physical education comprises a bottom plate (1) and is characterized in that L-shaped vertical plates (2) are fixed at the lower ends of four corners of the bottom plate (1), a caster supporting plate (4) is hinged to the inner side of each vertical plate (2), walking wheels (3) are rotatably connected to the lower ends of the caster supporting plates (4), a first connecting rod (5) is hinged to the upper end of each caster supporting plate (4), two rectangular blocks (6) which slide relatively are arranged below the bottom plate (1), the inner end of each first connecting rod (5) is hinged and fixed with the corresponding rectangular block (6), and the two rectangular blocks (6) horizontally slide relatively to form a structure in which the caster supporting plates (4) swing simultaneously;

bottom plate (1) upper end is fixed with vertical gliding backup pad (7), and backup pad (7) left side is equipped with display screen (8), and display screen (8) one end is articulated fixed with backup pad (7), is equipped with telescopic link (9) between display screen (8) and backup pad (7), and telescopic link (9) left end is articulated fixed with backup pad (7), and telescopic link (9) right-hand member is articulated fixed with display screen (8).

2. A motion demonstration teaching aid for physical education as claimed in claim 1, wherein the lower end of the base plate (1) is rotatably connected with a rotating shaft (10), the thread directions of the left end and the right end of the rotating shaft (10) are opposite, the two ends of the rotating shaft (10) are respectively in threaded connection with the rectangular blocks (6), and the rotating shaft (10) rotates to form a structure that the two rectangular blocks (6) slide relatively.

3. A motion demonstration teaching aid for physical education as claimed in claim 2, wherein the front and rear ends of the rotating shaft (10) are respectively provided with a guide rod (11), the guide rods (11) are fixedly connected with the base plate (1), and the guide rods (11) slidably penetrate through the rectangular block (6).

4. The motion demonstration teaching aid for physical education as claimed in claim 1, wherein a hollow cylinder (12) is fixedly connected to the upper end of the bottom plate (1), a threaded rod (14) is rotatably arranged in the cylinder (12), a cylinder (13) capable of sliding vertically is arranged above the cylinder (12), the cylinder (13) is in threaded connection with the threaded rod (14), the threaded rod (14) rotates to form a structure in which the cylinder (13) slides vertically, and the supporting plate (7) is connected with the cylinder (13).

5. A motion demonstration teaching aid for physical education as claimed in claim 4, characterized in that the upper end of the cylinder (13) is rotatably provided with a support rod (15), and the support plate (7) is fixedly connected with the support rod (15).

6. A motion demonstration teaching aid for physical education as claimed in claim 5, characterized in that the upper end of the cylinder (13) is provided with a clamping device (16) for a support rod (15);

the clamping device (16) comprises two arc-shaped clamping plates (17), and the clamping plates (17) are hinged and fixed with the cylinder (13);

a square block (18) which slides horizontally is arranged above the cylinder (13), a second connecting rod (19) is hinged to the outer side of the clamping plate (17), and the second connecting rod (19) is hinged and fixed with the square block (18).