CN219764442U

CN219764442U - Throwing training javelin

Info

Publication number: CN219764442U
Application number: CN202321109984.8U
Authority: CN
Inventors: 张玥
Original assignee: Jiangsu Shengwo Communication Technology Co ltd
Current assignee: Jiangsu Shengwo Communication Technology Co ltd
Priority date: 2023-05-10
Filing date: 2023-05-10
Publication date: 2023-09-29
Anticipated expiration: 2033-05-10

Abstract

The utility model discloses a throwing training javelin, which belongs to the technical field of throwing sports equipment and comprises a javelin body, wherein the javelin body comprises a javelin head, the javelin head is an ellipsoid, and the rear end of the javelin head is connected with a javelin tail rod along the axis of the javelin head; the gun head is provided with a bone rod according to the axis of the gun head, the front end of the bone rod is provided with a clamping head, the clamping head is coupled with the gun head, and the tail of the bone rod is coupled with the gun tail rod. Through the setting of bone pole, realize the internal support to the rifle body for the crease is difficult for appearing in the rifle body, thereby avoids throwing javelin and rocks when throwing, and the interference throws the effect, and then leads to throwing person to throw the improved assurance inaccuracy of action, produces misleading even.

Description

Throwing training javelin

Technical Field

The utility model belongs to the technical field of throwing sports equipment, and particularly relates to a throwing training javelin.

Background

The throwing javelin is used as a classical sport, not only can the throwing person exercise the upper limb strength, but also can exercise the skills of running and jumping, and is an important component of professional sport events. In view of the fact that the use of specialized javelin equipment has high requirements on specialized technology and certain dangers, the practice of javelin projects is basically not arranged in the current middle and primary school physical education courses, and the reduction of the throwing javelin training influences not only special exercises of upper limb strength and control force of students, but also talent reserves of javelin projects in China.

The special javelin training is boring and dangerous, and in view of the fact that the special javelin training is high in safety, a plurality of throwing training javelin with high safety are produced, as disclosed in Chinese patent publication No. CN208193688U, a soft child throwing javelin comprises an oval javelin head, one end of the javelin head extends out of a javelin body, a balance wing is arranged on the javelin body along the axial direction, and the javelin head, the javelin body and the balance wing are all integrally formed by flexible materials; the soft child throwing javelin has the beneficial effects that the soft child throwing javelin is formed by spraying EVA (ethylene-vinyl acetate copolymer) into a whole, so that the soft child throwing javelin is free from assembly, convenient to produce, lighter in weight and convenient for children to use, and meanwhile, the soft child throwing javelin can be prevented from damaging people or objects. Be provided with a plurality of whistles on the rifle head for this software children throw javelin accessible whistle makes a sound in flight, improves the interest that this software children thrown javelin, improves the use experience of this product. However, the inventor believes that the durability of the gun body of the throwing javelin is poor, when the integrally formed flexible material is played, transported or stored, the joint of the heavy gun head and the light gun body is particularly easy to generate folds, the throwing javelin after generating folds is not easy to keep streamline when throwing, and the balance wings are extremely easy to shake, so that the throwing effect is disturbed, and the throwing action of a throwing person is influenced. For this purpose, a throwing training javelin needs to be designed.

It should be noted that the information disclosed in the above background section is only for enhancing the understanding of the background of the present disclosure, and thus may include information that does not constitute prior art.

Disclosure of Invention

The inventor finds that the child throwing javelin made of the flexible material integrally forms folds at the joint of the gun head and the gun body, the throwing javelin after the folds are generated is not easy to keep streamline when throwing, and the balance wings are easy to shake, so that the throwing effect is disturbed, and the improvement grasp of the throwing action by a throwing person is influenced.

In view of at least one of the above technical problems, the present disclosure provides a training dart, which has the following specific technical scheme:

the throwing training javelin comprises a javelin body, wherein the javelin body comprises a javelin head which is an ellipsoid, and the rear end of the javelin head is connected with a javelin tail rod along the axis of the javelin head; the gun head is provided with a bone rod according to the axis of the gun head, the front end of the bone rod is provided with a clamping head, the clamping head is coupled with the gun head, and the tail of the bone rod is coupled with the gun tail rod.

In some embodiments of the present disclosure, at least three balance wings are uniformly distributed on the outer surface of the tail rod.

In some embodiments of the present disclosure, the gun body and the balance wing are integrally formed from a soft plastic.

In some embodiments of the present disclosure, the bone shaft is injection molded to the gun body.

In some embodiments of the present disclosure, the snap-fit head is embedded inside the gun head.

In some embodiments of the disclosure, the clamping head is mushroom-shaped, and the clamping head is clamped and covered at the front end of the gun head.

In some embodiments of the disclosure, the gun body is provided with an inner hole with an open front end according to an axis, the inner hole is in interference fit with the bone rod through a hole shaft, the clamping head is mushroom-head-shaped, and the clamping head is clamped and covered at the front end of the gun head.

In some embodiments of the present disclosure, the bone shaft is made of hard gelatin or plastic.

In some embodiments of the present disclosure, at least two diversion trenches are annularly distributed on the outer side surface of the gun head, a containing hole is formed in the bottom of the diversion trench, and whistles are fixed to the containing hole.

In some embodiments of the disclosure, a communication unit is disposed inside one of the accommodation holes.

Compared with the prior art, the utility model has the following beneficial effects:

through the arrangement of the bone rod, the internal support of the gun body is realized, so that crease is not easy to appear on the gun body, the balance wing is prevented from shaking when the javelin is thrown, the throwing effect is disturbed, and the improvement of the throwing action by a throwing person is inaccurate and even misleading is caused;

the ellipsoidal design ensures that the front end of the throwing javelin does not have a sharp part, thereby avoiding injury to field personnel;

through the design of the clamping head, the positions of the bone rod and the gun body are relatively fixed, and the problem of unstable center of gravity of the throwing javelin is effectively avoided.

Drawings

FIG. 1 is a perspective view of embodiment 3 of the structure of the present utility model;

FIG. 2 is a schematic view of a bone shaft according to example 3 of the present utility model;

FIG. 3 is a schematic cross-sectional view of the gun head receiving hole of embodiment 3 of the present utility model;

the reference numerals in the figures illustrate: 1. a gun body; 11. a gun head; 111. a diversion trench; 12. a gun tail rod; 13. balance wings; 2. a bone shaft; 21. clamping and fixing the head; 3. whistle type whistle.

Detailed Description

For a better understanding of the objects, structures and functions of the present utility model, reference should be made to the accompanying drawings in which embodiments of the utility model are shown, and in which it is apparent that some, but not all embodiments of the utility model are described.

The component parts themselves are numbered herein only to distinguish between the stated objects and do not have any sequential or technical meaning. In this disclosure, the term "coupled" includes both direct and indirect, "as used herein, unless specifically indicated otherwise. In the description of the present utility model, it should be understood that the azimuth or positional relationship indicated by the azimuth terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc. are based on the azimuth or positional relationship shown in the drawings, are merely for convenience of description and brief description, and do not indicate or imply that the apparatus or unit referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

As shown in fig. 1 to 3 of the drawings, a throwing training javelin is designed, and comprises a javelin body 1, wherein the javelin body 1 comprises a javelin head 11, and the javelin head 11 is an ellipsoid, and the front end of the throwing javelin is free of a sharp part due to the ellipsoid design, so that injury to field personnel is avoided; the rear end of the gun head 11 is connected with a gun tail rod 12 along the axis of the gun head 11; the gun head 11 is provided with the bone rod 2 according to the axis, the front end of the bone rod 2 is provided with the clamping head 21, the clamping head 21 is coupled with the gun head 11, and the positions of the bone rod 2 and the gun body 1 are relatively fixed through the design of the clamping head 21, so that the problem of unstable center of gravity of the throwing javelin is effectively avoided; the tail of the bone rod 2 is coupled with the gun tail rod 12; through setting up of bone pole 2, realize the inside support to rifle body 1 for the crease is difficult for appearing in rifle head 11 of rifle body 1 and butt pole 12 junction, thereby avoids throwing the javelin and rocks when throwing, and the interference throws the effect, and then leads to throwing person to throw action improvement's assurance inaccurately, produces misleading even.

In the above embodiments, three embodiments are listed to implement the above technical solutions:

the first embodiment discloses a throwing training javelin, which comprises a javelin body 1, wherein the javelin body 1 comprises a javelin head 11, and the javelin head 11 is an ellipsoid, and the front end of the throwing javelin does not have a sharp part due to the design of the ellipsoid, so that the injury to field personnel is avoided; the rear end of the gun head 11 is connected with a gun tail rod 12 along the axis of the gun head 11; the gun head 11 is provided with the bone rod 2 according to the axis, the front end of the bone rod 2 is provided with the clamping head 21, the clamping head 21 is coupled with the gun head 11, and the positions of the bone rod 2 and the gun body 1 are relatively fixed through the design of the clamping head 21, so that the problem of unstable center of gravity of the throwing javelin is effectively avoided; the tail of the bone rod 2 is coupled with the gun tail rod 12; through setting up of the bone pole 2, realize the internal support to the rifle body 1 for the rifle head 11 of rifle body 1 is difficult for appearing the crease with the butt pole 12 junction, thus avoid throwing the javelin and rock in throwing, interfere throwing the effect, and then lead to throwing person to throw action improvement grasp inaccurately, even produce misleading;

wherein the tail rod 12 is a conical rod, and the tail diameter of the tail rod 12 is smaller than the end part of the tail rod; the length of the gun tail 12 is longer than that of the gun head 11; the gun body 1 is provided with an inner hole with an opening at the front end according to the axis, the inner hole is in interference fit with the bone rod 2 in a hole shaft manner, the clamping head 21 is mushroom-shaped, and the clamping head 21 is clamped and covered at the front end of the gun head 11; the bone rod 2 is made of plastic;

the second embodiment is different from the first embodiment in that the tail rod 12 is a straight cylindrical rod body, the straight cylindrical rod body is in the shape of a straight polygon prism, and the second embodiment adopts a straight quadrangular prism structure; four balance wings 13 are uniformly distributed on the outer surface of the gun tail rod 12, and the balance wings 13 can be of a parallelogram structure; the bone rod 2 is injection molded on the gun body 1, the clamping head 21 is embedded in the gun head 11, and the clamping head 21 can be sheet-shaped or flower-shaped; the bone rod 2 is made of hard silica gel; two diversion trenches 111 are annularly distributed on the outer side face of the gun head 11, a containing hole is formed in the bottom of each diversion trench 111, and whistle 3 is fixed in each containing hole.

As shown in fig. 1 to 3, a third embodiment discloses a throwing training javelin, and the difference between the third embodiment and the second embodiment is that the tail rod 12 is in a cylinder-like shape; three balance wings 13 are uniformly distributed on the outer surface of the gun tail rod 12; the clamping head 21 is mushroom-shaped, the clamping head 21 is clamped and covered at the front end of the gun head 11, and after throwing, the clamping head 21 can be preferentially contacted with a landing point, so that the service life of the front end of the gun head 11 is effectively prolonged; the bone pole 2 adopts the hard rubber material, the annular cloth of rifle head 11 lateral surface has three guiding gutter 111, guiding gutter 111 bottom is equipped with the accommodation hole, the accommodation hole is fixed with whistle 3, link up between the three guiding gutter 111, one of them the communication unit has been furnished with in the accommodation hole inside, communication unit includes sensor and/or NFC antenna for gather and record this equipment service condition and warehouse management.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The throwing training javelin comprises a javelin body (1), and is characterized in that the javelin body (1) comprises a javelin head (11), the javelin head (11) is an ellipsoid, and the rear end of the javelin head (11) is connected with a javelin tail rod (12) along the axis of the javelin head (11); the gun head (11) is provided with a bone rod (2) according to the axis of the gun head, the front end of the bone rod (2) is provided with a clamping head (21), the clamping head (21) is coupled with the gun head (11), and the tail of the bone rod (2) is coupled with a gun tail rod (12).

2. A throwing training javelin as claimed in claim 1, wherein at least three balance wings (13) are equispaced on the outer surface of the butt rod (12).

3. A throwing training javelin according to claim 2, characterized in that the gun body (1) and the balance wings (13) are integrally formed from soft plastic.

4. A throwing training javelin according to claim 3, characterized in that the bone shaft (2) is injection molded to the gun body (1).

5. A training dart as claimed in claim 4, wherein the snap-in head (21) is embedded inside the head (11).

6. The throwing training javelin according to claim 4, wherein the clamping head (21) is mushroom-shaped, and the clamping head (21) is clamped and covered at the front end of the javelin head (11).

7. A throwing training javelin according to claim 3, wherein the javelin body (1) is provided with an inner hole with an open front end according to an axis, the inner hole and the bone rod (2) are in interference fit of a hole shaft, the clamping head (21) is mushroom-head-shaped, and the clamping head (21) is clamped and covered at the front end of the javelin head (11).

8. A throwing training javelin according to claim 1, characterized in that the bone shaft (2) is of hard glue or plastic material.

9. The throwing training javelin according to claim 1, characterized in that at least two diversion trenches (111) are annularly distributed on the outer side surface of the javelin head (11), a containing hole is formed in the bottom of the diversion trench (111), and whistles (3) are fixed to the containing hole.

10. The training dart of claim 9, wherein one of said receiving holes has a communication unit disposed therein.