CN211986978U

CN211986978U - Throwing technique exerciser

Info

Publication number: CN211986978U
Application number: CN202020335042.1U
Authority: CN
Inventors: 席本玉; 张雪琴
Original assignee: Xian Jiaotong University City College
Current assignee: Xian Jiaotong University City College
Priority date: 2020-03-17
Filing date: 2020-03-17
Publication date: 2020-11-24
Anticipated expiration: 2030-03-17

Abstract

The utility model discloses a throw technique exerciser, comprising a base plate, the side fixed mounting of bottom plate has station sign line board, the last fixed surface of bottom plate is connected with the screw rod, the surperficial threaded connection of screw rod has the runner assembly, the surface that is close to its top on the runner assembly is connected with the sleeve through the bearing rotation, the fixed frame of telescopic side fixedly connected with, be equipped with adjusting part in the fixed frame, telescopic one end fixedly connected with arc is kept away from to adjusting part. The utility model discloses an above-mentioned isotructure's cooperation has realized height and inclination that can be simple quick adjust the arc, and adjust can be timely after accomplishing locking, the user of being convenient for adapt to different heights, and convenient to use person goes the simulation exercise with the posture of difference simultaneously and throws the discus, improves this exerciser adaptability.

Description

Throwing technique exerciser

Technical Field

The utility model relates to an athletic equipment technical field specifically is a throw technique exerciser.

Background

The discus project is one of formal and old projects of Olympic games, is one of traditional superior projects of female and child projects in track and field sports in China, and obtains excellent results on world-level tournaments for many times.

For example, chinese patent publication No. CN209662568U discloses a discus skill training device, which comprises: base, socket, stand, arc track board, slip recess, discus and station mark line board the upper end center of base sets up the socket, the stand is inserted and is established in the socket, the one end setting of arc track board is on the stand the slip recess has been seted up at the middle part of arc track board, the discus passes through the axis of rotation to be fixed in the slip recess, and the discus can rotate in the axis of rotation, the one end setting of station mark line board is in the bottom of socket, and can rotate around the socket, the station mark line board is tangent with the part of base contact, and the bottom parallel and level of its terminal extension and base.

Because this discus technique exerciser is when using, is difficult to simply quick adjust the height of arc, still is difficult for adjusting the inclination of arc simultaneously, leads to the user to be difficult for coming the simulation exercise with different postures and throws the discus, brings inconvenience for the simulation training, consequently needs improve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a throw technique exerciser possesses height and inclination that can be simple quick adjust the arc, and adjust can be timely after accomplishing locking, the user of the different heights of adaptation of being convenient for, convenient to use person goes the simulation exercise with the posture of difference simultaneously and throws the discus, improves the advantage of this exerciser adaptability, has solved 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: the utility model provides a throw technical training ware, includes the bottom plate, the side fixed mounting of bottom plate has station mark line board, the last fixed surface of bottom plate is connected with the screw rod, the surperficial threaded connection of screw rod has the runner assembly, the last surface that is close to its top of runner assembly is rotated through the bearing and is connected with the sleeve, the fixed frame of telescopic side fixedly connected with, be equipped with adjusting part in the fixed frame, telescopic one end fixedly connected with arc is kept away from to adjusting part, the arc wall has been seted up on the surface of arc wall, the inner wall of arc wall has the discus through connecting axle sliding connection.

Preferably, the rotating assembly comprises an internal thread sleeve, the internal thread sleeve is in threaded connection with the surface of the screw rod, and the surface, close to the bottom end of the internal thread sleeve, of the internal thread sleeve is fixedly connected with a rotating ring.

Preferably, the sleeve and the fixing frame are of an integrally formed structure.

Preferably, the adjusting part includes the worm, the worm passes through the bearing and rotates the connection on the left and right sides of fixed frame inner wall, both sides all rotate through the bearing and are connected with the pivot around the fixed frame inner wall, be close to the surperficial fixedly connected with and the worm wheel of worm meshing and adaptation in its middle part in the pivot, be close to the surperficial fixedly connected with connecting plate of its rear end in the pivot, and the side of fixed frame is seted up and is supplied connecting plate pivoted to lead to the groove, telescopic one side and the side fixed connection of arc are kept away from to the connecting plate.

Preferably, one end of the worm, which is far away from the sleeve, penetrates out of the side face of the fixing frame and is fixedly connected with the rotating handle.

Compared with the prior art, the beneficial effects of the utility model are that: can drive the internal thread cover through rotating the swivel and rotate, because internal thread cover and screw rod threaded connection, make the internal thread cover can rotate the limit and remove on the surperficial limit of screw rod, and because the internal thread cover rotates with the sleeve to be connected, consequently can drive sleeve and arc and reciprocate, thereby can adjust the height of arc, be convenient for adapt to the user of different heights, when needing to adjust the inclination of arc, rotate the worm through the swing handle, the worm can drive worm wheel and pivot and rotate, thereby the pivot can drive the arc and rotate, and then can adjust the inclination of arc, convenient to use person goes the simulation exercise with the posture of difference and throws the discus, improve this exerciser adaptability.

Drawings

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

FIG. 2 is a top cross-sectional view of the worm gear of the present invention;

fig. 3 is an enlarged view of the structure of the present invention at a.

In the figure: 1-bottom plate, 2-station marker line plate, 3-screw, 4-sleeve, 5-fixing frame, 6-arc plate, 7-arc groove, 8-discus, 9-internal thread sleeve, 10-rotary ring, 11-worm, 12-rotary shaft, 13-worm wheel, 14-connecting plate, 15-rotary handle.

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 to 3, the present invention provides a technical solution: the utility model provides a throw technique exerciser, includes bottom plate 1, and the side fixed mounting of bottom plate 1 has station sign line board 2, and the last fixed surface of bottom plate 1 is connected with screw rod 3, and screw rod 3's surperficial threaded connection has a rotating assembly, and the last surface that is close to its top of rotating assembly is connected with sleeve 4 through the bearing rotation.

Further, the runner assembly includes

internal thread cover

9, 9 threaded connection of internal thread cover is on the surface of screw rod 3, the equal fixedly connected with change 10 in surface that is close to its bottom on the internal thread cover 9, it can drive internal thread cover 9 and rotate to rotate change 10, because

internal thread cover

9 and 3 threaded connection of screw rod, make internal thread cover 9 can rotate the limit and remove on the surperficial limit of screw rod 3, and because internal thread cover 9 rotates with sleeve 4 to be connected, consequently, can drive sleeve 4 and arc 6 and reciprocate, thereby can adjust the height of arc 6, be convenient for adapt to the user of different heights.

A fixing frame 5 is fixedly connected to the side surface of the sleeve 4.

Further, the sleeve 4 and the fixing frame 5 are of an integrally formed structure, and the integrally formed structure increases the stability of the sleeve 4 and the fixing frame 5.

Be equipped with adjusting part in the fixed frame 5, adjusting part keeps away from one end fixedly connected with arc 6 of sleeve 4, arc 7 has been seted up on the surface of arc 6, there is discus 8 inner wall of arc 7 through connecting axle sliding connection, for better realization and the action of mastering the cake, the trainer uses the right hand to throw the cake as an example, can carry out the exercise of stirring the cake action of relapse on arc 6, until skilled technique of mastering completely, the trainer has done the basic posture that the cake 8 was thrown in situ according to technical requirement, its hand of throwing the arm is held on discus 8, make discus 8 move along arc 7 on arc 6 from bottom to top.

Further, the adjusting component comprises a worm 11, the worm 11 is rotatably connected to the left side and the right side of the inner wall of the fixing frame 5 through bearings, the front side and the rear side of the inner wall of the fixing frame 5 are rotatably connected with rotating shafts 12 through bearings, a worm wheel 13 which is meshed with and matched with the worm 11 is fixedly connected to the surface of the rotating shaft 12 close to the middle part of the rotating shaft 12, a connecting plate 14 is fixedly connected to the surface of the rotating shaft 12 close to the rear end of the rotating shaft, a through groove for rotating the connecting plate 14 is formed in the side surface of the fixing frame 5, one side, far away from the sleeve 4, of the connecting plate 14 is fixedly connected with the side surface of the arc-shaped plate 6, when the inclination angle of the arc-shaped plate 6 needs to be adjusted, the worm 11 is rotated through a rotating handle 15, the worm 11 can drive the worm wheel 13 and the rotating, the adaptability of the trainer is improved.

Further, one end of the worm 11, which is far away from the sleeve 4, penetrates through the side surface of the fixing frame 5 and is fixedly connected with a rotating handle 15, and the rotating handle 15 enables the worm 11 to be rotated more simply and conveniently.

The working principle is as follows: this throw technique exerciser is when using, it can drive internal thread cover 9 and rotate to rotate swivel 10, because

internal thread cover

9 and 3 threaded connection of screw rod, make internal thread cover 9 can rotate the limit and remove on the surperficial limit of screw rod 3, and because internal thread cover 9 rotates with sleeve 4 and is connected, consequently can drive sleeve 4 and arc 6 and reciprocate, thereby can adjust the height of arc 6, be convenient for adapt to the user of different heights, when needing to adjust the inclination of arc 6, rotate worm 11 through turning handle 15, worm 11 can drive worm wheel 13 and pivot 12 and rotate, thereby pivot 12 can drive arc 6 and rotate, and then can adjust the inclination of arc 6, convenient to use person goes the simulation exercise throw discus 8 with different postures, improve this exerciser adaptability.

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. The utility model provides a throw technique exerciser, includes bottom plate (1), the side fixed mounting of bottom plate (1) has station mark line board (2), its characterized in that: the last fixed surface of bottom plate (1) is connected with screw rod (3), the surperficial threaded connection of screw rod (3) has the runner assembly, the last surface that is close to its top of runner assembly rotates through the bearing and is connected with sleeve (4), the fixed frame of side fixedly connected with (5) of sleeve (4), be equipped with adjusting part in fixed frame (5), the one end fixedly connected with arc (6) of sleeve (4) are kept away from to adjusting part, arc (7) have been seted up on the surface of arc (6), the inner wall of arc (7) has discus (8) through connecting axle sliding connection.

2. A throwing technique exerciser according to claim 1, wherein: the rotating assembly comprises an internal thread sleeve (9), the internal thread sleeve (9) is in threaded connection with the surface of the screw rod (3), and the surface of the internal thread sleeve (9) close to the bottom end of the internal thread sleeve is fixedly connected with a rotating ring (10).

3. A throwing technique exerciser according to claim 1, wherein: the sleeve (4) and the fixing frame (5) are of an integrally formed structure.

4. A throwing technique exerciser according to claim 1, wherein: the adjusting part includes worm (11), worm (11) rotate through the bearing and connect on the left and right sides of fixed frame (5) inner wall, both sides all are connected with pivot (12) through the bearing rotation around fixed frame (5) inner wall, be close to fixed surface in its middle part on pivot (12) and worm (11) meshing and worm wheel (13) of adaptation, be close to fixed surface at its rear end on pivot (12) and be connected with connecting plate (14), and the side of fixed frame (5) is seted up and is supplied connecting plate (14) pivoted to lead to the groove, the side fixed connection of one side and arc (6) of sleeve (4) is kept away from in connecting plate (14).

5. A throwing technique exerciser according to claim 4, wherein: one end of the worm (11) far away from the sleeve (4) penetrates out of the side face of the fixed frame (5) and is fixedly connected with a rotating handle (15).