CN212460899U

CN212460899U - A action demonstration teaching aid for sports teaching

Info

Publication number: CN212460899U
Application number: CN202021366452.9U
Authority: CN
Inventors: 夏庆红; 曾强生
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-02-02
Anticipated expiration: 2030-07-13

Abstract

The utility model discloses an action demonstration teaching aid for sports teaching belongs to the sports teaching field. The utility model provides an action demonstration teaching aid for sports teaching, includes the base, installs bracing piece and the mount of fixed mounting on the bracing piece top on the base, the clamp mouth has been seted up to one side of mount, the inside symmetry of clamp mouth is equipped with two splint, two equal horizontally connect has the clamping bar that extends to the mount outside on the lateral wall of the opposite one side of splint, two the tip of clamping bar all is connected with the connecting rod perpendicularly, the movable rod of inserting on the mount is installed to the tip of connecting rod, the gear chamber has been seted up to the inside of mount, the actuating lever is installed in the inside rotation in gear chamber. The utility model discloses a with the dummy centre gripping provide supplementary on the mount, need not the sports teacher and support the dummy, labour saving and time saving also conveniently demonstrates complicated action, can fix the dummy, the simple operation with two splint simultaneous control through rotatory knob.

Description

A action demonstration teaching aid for sports teaching

Technical Field

The utility model relates to a sports teaching field, more specifically say, relate to an action demonstration teaching aid for sports teaching.

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. It is the basic form of school sports realization, and is one of the implementation ways of sports objectives.

In the process of physical education, a teacher often needs to show physical activities to students, and the activities are usually analyzed by a dummy. Because the proportion of dummy is generally great, it is comparatively hard for mr to support for a long time, also is difficult to demonstrate comparatively complicated action, has influenced the teaching efficiency.

In view of this, we propose a motion demonstration teaching aid for physical education.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

An object of the utility model is to provide a motion demonstration teaching aid for sports teaching to solve the comparatively hard problem of motion show through the dummy that proposes in the above-mentioned background art.

2. Technical scheme

An action demonstration teaching aid for physical education comprises a base, a supporting rod arranged on the base and a fixing frame fixedly arranged at the top end of the supporting rod, a clamping opening is arranged at one side of the fixing frame, two clamping plates are symmetrically arranged in the clamping opening, clamping rods extending to the outer side of the fixing frame are horizontally connected to the side walls of the two clamping plates at the opposite sides, connecting rods are vertically connected to the end parts of the two clamping rods, the end part of the connecting rod is provided with a movable rod inserted on the fixed frame, the fixed frame is internally provided with a gear cavity, a driving rod is rotatably arranged in the gear cavity, two ends of the driving rod are respectively inserted on the two movable rods and are in threaded connection with the movable rods, the middle part of the driving rod is provided with a circular gear, one side of the circular gear is meshed with an end face gear, and a knob located on the outer side of the fixing frame is fixedly connected to the end face gear.

Preferably, a support is installed on the inner wall of the gear cavity, the middle of the driving rod is inserted onto the support in a rotating mode, the driving rod is composed of two threaded rods with opposite thread directions, and threaded holes meshed with the threaded rods are formed in the end portions of the two movable rods.

Preferably, a movable table is attached to the base, the support rod is fixedly inserted into the movable table, a bearing is installed at the top end of the base, and the bottom end of the support rod extends to the lower side of the movable table and is fixedly inserted into the bearing.

Preferably, the mounting hole has been seted up on the roof of base, install the spring on the diapire of mounting hole, the nose bar that extends to the base top is installed on the top of spring, a plurality of shrinkage pools of mutually supporting with the nose bar are seted up to the equidistance on the diapire of movable table.

Preferably, the top end of the convex rod is of a hemispherical structure.

Preferably, a rotating shaft extending to the inside of the gear cavity is mounted on the side wall of the back of the fixing frame, and the knob is connected with the end face gear through the rotating shaft.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

1. the utility model provides the assistance by clamping the dummy on the fixing frame, does not need a sports teacher to support the dummy, saves time and labor, is convenient to show complex actions, can simultaneously control the two clamping plates to fix the dummy by rotating the knob, and is convenient to operate;

2. the rotation installation has been carried out the bracing piece, rotates the movable table when needing the angle of adjustment dummy and can realize, has carried out simple card simultaneously to the movable table, can fix the angle of dummy when not hindering the bracing piece rotation, has stability and flexibility concurrently.

Drawings

Fig. 1 is a front sectional view of the present invention;

FIG. 2 is a sectional top view of the present invention;

FIG. 3 is an enlarged view of the structure at A of the present invention;

FIG. 4 is an enlarged view of the structure at B of the present invention;

the reference numbers in the figures illustrate: 1. a base; 2. a movable table; 3. a support bar; 4. a fixed mount; 5. a clamping bar; 6. a splint; 7. clamping the opening; 8. a movable rod; 9. a gear cavity; 10. a circular gear; 11. a face gear; 12. a knob; 13. a threaded rod; 14. a nose bar; 15. a spring.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides a technical solution:

a motion demonstration teaching aid for physical education comprises a base 1, a support rod 3 mounted on the base 1 and a fixed frame 4 fixedly mounted on the top end of the support rod 3, a movable table 2 is pasted on the base 1, the support rod 3 is fixedly inserted on the movable table 2, a bearing is mounted on the top end of the base 1, the bottom end of the support rod 3 extends to the lower side of the movable table 2 and is fixedly inserted on the bearing, the movable table 2 and the support rod 3 are rotatably mounted on the base 1 through the bearing, the support rod 3 and the fixed frame 4 can be rotated by rotating the movable table 2, a mounting hole is formed in the top wall of the base 1, a spring 15 is mounted on the bottom wall of the mounting hole, a convex rod 14 extending above the base 1 is mounted at the top end of the spring 15, the top end of the convex rod 14 is of a hemispherical structure, a plurality of concave holes matched with the convex rod 14 are formed in the bottom wall of the, therefore, the convex rod 14 can be extruded by a little force when the movable table 2 is rotated, the normal rotation of the movable table 2 is not influenced, when the movable table 2 is stopped, the convex rod 14 can be bounced into the nearest concave hole, and the movable table 2 cannot move easily if the movable table is not stressed, so that the simple fixation of the angle of the supporting rod 3 is realized, and the dummy cannot shake freely after being fixed on the fixed frame 4.

A clamping opening 7 is arranged on one side of a fixed frame 4, two clamping plates 6 are symmetrically arranged inside the clamping opening 7, clamping rods 5 extending to the outer side of the fixed frame 4 are horizontally connected to the side walls of the opposite sides of the two clamping plates 6, the end parts of the two clamping rods 5 are vertically connected with connecting rods, movable rods 8 inserted on the fixed frame 4 are installed at the end parts of the connecting rods, a gear cavity 9 is arranged inside the fixed frame 4, a driving rod is installed inside the gear cavity 9 in a rotating mode, two ends of the driving rod are respectively inserted on the two movable rods 8 and are in threaded connection with the movable rods 8, a support is installed on the inner wall of the gear cavity 9, the middle part of the driving rod is inserted on the support in a rotating mode, the driving rod is composed of two threaded rods 13 with opposite thread directions, threaded holes in which the threaded rods 13 are meshed with each other are formed in the end parts of the two, the end face gear 11 is fixedly connected with a knob 12 positioned on the outer side of the fixing frame 4, a rotating shaft extending to the inside of the gear cavity 9 is installed on the side wall of the back of the fixing frame 4, and the knob 12 is connected with the end face gear 11 through the rotating shaft.

The working principle is as follows: when the dummy is clamped on the fixed frame 4, the waist or the crotch of the dummy is placed in the clamping opening 7, then the knob 12 is rotated, the end face gear 11 drives the circular gear 10 to rotate, the driving rod rotates along with the driving rod, the driving rod is actually two threaded rods 13, and the thread directions of the two threaded rods 13 are opposite, so that the movable rods 8 meshed with the two threaded rods 13 can move in opposite directions when the driving rod rotates, the two movable rods 8 move back to back or move towards each other, when the two movable rods 8 move towards each other, the two clamping plates 6 can be driven to clamp the dummy, and the two movable rods 8 can be loosened to take down the dummy through back movement.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a motion demonstration teaching aid for sports teaching, includes base (1), installs bracing piece (3) and mount (4) of fixed mounting on bracing piece (3) top on base (1), its characterized in that: a clamping opening (7) is formed in one side of the fixing frame (4), two clamping plates (6) are symmetrically arranged in the clamping opening (7), clamping rods (5) extending to the outer side of the fixing frame (4) are horizontally connected to the side walls of the two clamping plates (6) on the opposite sides, connecting rods are vertically connected to the end portions of the two clamping rods (5), the end part of the connecting rod is provided with a movable rod (8) inserted on the fixed frame (4), a gear cavity (9) is arranged inside the fixed frame (4), a driving rod is rotatably arranged inside the gear cavity (9), two ends of the driving rod are respectively inserted on the two movable rods (8) and are in threaded connection with the movable rods (8), a circular gear (10) is arranged in the middle of the driving rod, an end face gear (11) is meshed with one side of the circular gear (10), the end face gear (11) is fixedly connected with a knob (12) positioned on the outer side of the fixing frame (4).

2. A motion demonstration teaching aid for physical education as claimed in claim 1 wherein: the inner wall of the gear cavity (9) is provided with a support, the middle part of the driving rod is rotatably inserted on the support, the driving rod is composed of two threaded rods (13) with opposite thread directions, and threaded holes meshed with the threaded rods (13) are formed in the end parts of the movable rods (8).

3. A motion demonstration teaching aid for physical education as claimed in claim 1 wherein: the base (1) is provided with a movable table (2) in an attached mode, the supporting rod (3) is fixedly inserted on the movable table (2), a bearing is installed at the top end of the base (1), and the bottom end of the supporting rod (3) extends to the lower side of the movable table (2) and is fixedly inserted on the bearing.

4. A motion demonstration teaching aid for physical education as claimed in claim 3 wherein: the mounting hole has been seted up on the roof of base (1), install spring (15) on the diapire of mounting hole, protruding pole (14) that extend to base (1) top are installed on the top of spring (15), equidistant a plurality of shrinkage pools of mutually supporting with protruding pole (14) have been seted up on the diapire of movable table (2).

5. An action demonstration teaching aid for physical education as claimed in claim 4 wherein: the top end of the convex rod (14) is of a hemispherical structure.

6. A motion demonstration teaching aid for physical education as claimed in claim 1 wherein: the side wall of the back of the fixing frame (4) is provided with a rotating shaft extending to the inside of the gear cavity (9), and the knob (12) is connected with the end face gear (11) through the rotating shaft.