Athletic starting block

Abstract

The utility model provides a track starting block which comprises a base, a rotating column, a fastening threaded hole, an adjusting hole, a movable limiting column, a sliding groove, a sliding seat, a movable groove and a reset spring, the sliding groove is formed in the base and connected with the sliding seat in a sliding mode, the movable bases are fixed to the left end face and the right end face of the sliding seat, and pedals are installed on the front end faces of the movable bases. An adjusting hole is formed in the upper end face of the base, a movable groove is formed in the sliding seat, the movable groove is movably connected with a movable limiting column and can stretch out of the adjusting hole, a reset spring is fixed between the movable limiting column and the movable groove, rotating columns are rotationally connected into the base, and a long steel nail is fixed between the rotating columns. In the design, two groups of steel nails with different lengths are arranged, so that the starting block can be conveniently used on a plastic runway or a coal cinder runway, the stability of the starting block is improved, the front-back distance of the pedal plate can be adjusted only by pressing the movable limiting column, and an athlete can conveniently adjust and use the starting block.

Description

Technical Field

[0001] The utility model relates to a track and field starting block, belonging to the technical field of sports equipment. Background Technique

[0002] The starting block, also called a starting aid, can be used as a support during running to help athletes complete the starting task within a short time and improve the sprint speed. When using the starting block, first place both hands on the ground in a prone position, then step on the starting block with both feet respectively, and make sure to step firmly. There should be no gap between the feet and the starting block. Then, retract the hands backward, kneel on the left knee, and retract the hands behind the starting line, supported by a straight line.

[0003] Some existing track and field starting blocks have steel nails of the same length for fixation, which is not convenient for use on plastic tracks or cinder tracks, and the stability is poor. Moreover, it is necessary to adjust the front - rear distance of the footrest by turning bolts, which is not convenient for athletes to adjust and use. Now there is an urgent need for a track and field starting block to solve the above - mentioned problems. Summary of the Invention

[0004] Aiming at the deficiencies of the existing technology, the purpose of the utility model is to provide a track and field starting block to solve the problems mentioned in the above background technique. The structure of the utility model is reasonable. In this design, two groups of steel nails with different lengths are set, which is convenient for use on plastic tracks or cinder tracks, improves the stability of the starting block, and only needs to press the movable limit post to adjust the front - rear distance of the footrest, which is convenient for athletes to adjust and use.

[0005] To achieve the above purpose, the utility model is realized through the following technical solutions: A track and field starting block includes a base, a rotating column, a fastening threaded hole, an adjustment hole, a movable limit post, a sliding groove, a sliding seat, a movable groove and a return spring. A sliding groove is opened inside the base, and the sliding groove is slidably connected with a sliding seat. Movable bases are fixed on the left and right end faces of the sliding seat, and a footrest is installed on the front end face of the movable base;

[0006] An adjustment hole is opened on the upper end face of the base, a movable groove is opened inside the sliding seat, the movable groove is movably connected with a movable limit post and can extend out of the adjustment hole, a return spring is fixed between the movable limit post and the movable groove, a rotating column is rotatably connected inside the base, long steel nails are fixed between the rotating columns, short steel nails are fixed between the rotating columns, fastening threaded holes are opened on both the short steel nails and the long steel nails, and fastening bolts are fitted and rotatably connected with the fastening threaded holes.

[0007] Furthermore, the specification of the sliding groove matches the specification of the sliding seat, and the two can be slidably connected in a fitting manner.

[0008] Further, the inner diameter of the adjustment hole is equal to the outer diameter of the movable limit post, and the two can be slidably connected in a fitting manner. The outer diameter of the movable limit post is equal to the inner diameter of the movable groove, and the two can be slidably connected in a fitting manner.

[0009] Further, a storage groove is provided inside the base. There are two groups of storage grooves. The specifications of one group of storage grooves match the specifications of the long steel nails, and the two can be connected in a fitting manner. The specifications of the other group of storage grooves match the specifications of the short steel nails, and the two can be connected in a fitting manner.

[0010] Further, a rotation hole is provided inside the base. The inner diameter of the rotation hole is equal to the outer diameter of the rotation column, and the two can be rotatably connected in a fitting manner.

[0011] Further, there are two groups of long steel nails and two groups of short steel nails. The two groups of long steel nails and the two groups of short steel nails are symmetrically arranged inside the base.

[0012] The beneficial effects of the present utility model: An athletics starting block of the present utility model. Due to the addition of a rotation column, a fastening threaded hole, an adjustment hole, a movable limit post, a sliding groove, a sliding seat, a movable groove and a return spring in the present utility model, two groups of steel nails with different lengths are provided in this design, so as to facilitate use on a plastic track or a cinder track, improve the stability of the starting block, and only need to press the movable limit post to adjust the front and rear distance of the pedal, which is convenient for athletes to adjust and use, solving the problem that the steel nails used for fixing in the original athletics starting block have the same length, thus being inconvenient to use on a plastic track or a cinder track, with poor stability, and the front and rear distance of the pedal needs to be adjusted by screwing bolts, which is inconvenient for athletes to adjust and use. Description of the Drawings

[0013] By reading the detailed description of the non-restrictive embodiments with reference to the following drawings, other features, purposes and advantages of the present utility model will become more obvious:

[0014] Figure 1 It is a structural diagram of an athletics starting block of the present utility model;

[0015] Figure 2 It is a partial structural sectional view of an athletics starting block of the present utility model;

[0016] Figure 3 It is a partial structural diagram of an athletics starting block of the present utility model;

[0017] Figure 4 It is a partial structural diagram of an athletics starting block of the present utility model;

[0018] In the figure: 1 - footrest, 2 - movable base, 3 - base, 4 - long steel nail, 5 - short steel nail, 6 - fastening bolt, 7 - rotating column, 8 - fastening threaded hole, 9 - adjustment hole, 10 - movable limit column, 11 - sliding groove, 12 - sliding seat, 13 - movable groove, 14 - return spring. Specific implementation mode

[0019] In order to make the technical means, creative features, achieved purposes and effects realized by the present utility model easy to understand, the present utility model will be further elaborated below in conjunction with specific implementation modes.

[0020] Please refer to Figures 1-4 , the present utility model provides a technical solution: a track and field starting block, including a base 3, a rotating column 7, a fastening threaded hole 8, an adjustment hole 9, a movable limit column 10, a sliding groove 11, a sliding seat 12, a movable groove 13 and a return spring 14. A sliding groove 11 is provided inside the base 3, and a sliding seat 12 is slidably connected to the sliding groove 11. Movable bases 2 are fixed to the left and right end faces of the sliding seat 12, and a footrest 1 is installed on the front end face of the movable base 2;

[0021] An adjustment hole 9 is provided on the upper end face of the base 3, a movable groove 13 is provided inside the sliding seat 12, a movable limit column 10 is movably connected to the movable groove 13 and can extend out of the adjustment hole 9. A return spring 14 is fixed between the movable limit column 10 and the movable groove 13. A rotating column 7 is rotatably connected inside the base 3. Long steel nails 4 are fixed between the rotating columns 7, short steel nails 5 are fixed between the rotating columns 7, fastening threaded holes 8 are provided in both the short steel nails 5 and the long steel nails 4, and fastening bolts 6 are fitted and rotatably connected to the fastening threaded holes 8. In this design, two sets of steel nails with different lengths are provided, so as to facilitate use on plastic tracks or cinder tracks, improve the stability of the starting block, and only by pressing the movable limit column 10 can the front and rear distance of the footrest 1 be adjusted, which is convenient for athletes to adjust and use.

[0022] As the first embodiment of the present utility model: the specifications of the sliding groove 11 match the specifications of the sliding seat 12, and the two can be slidably connected in a fitting manner. The inner diameter of the adjustment hole 9 is equal to the outer diameter of the movable limit column 10, and the two can be slidably connected in a fitting manner. The outer diameter of the movable limit column 10 is equal to the inner diameter of the movable groove 13, and the two can be slidably connected in a fitting manner. This design enables the athlete to press the movable limit column 10, so that the movable limit column 10 leaves the adjustment hole 9 and contracts into the movable groove 13. At this time, the sliding seat 12 can be moved back and forth, so that the front and rear positions of the footrest 1 can be adjusted;

[0023] There are storage grooves inside the base 3. There are two groups of storage grooves. The specifications of one group of storage grooves match the specifications of the long steel nails 4, and the two can be fitted and connected. The specifications of the other group of storage grooves match the specifications of the short steel nails 5, and the two can be fitted and connected. This design can fold and store the long steel nails 4 and the short steel nails 5, which is convenient for athletes to carry and transport. There is a rotating hole inside the base 3. The inner diameter of the rotating hole is equal to the outer diameter of the rotating column 7, and the two can be fitted and rotatably connected. There are two groups of long steel nails 4 and two groups of short steel nails 5. The two groups of long steel nails 4 and the two groups of short steel nails 5 are symmetrically arranged inside the base 3. This design is fixed by the two groups of short steel nails 5 when the athlete uses it on the plastic runway, and is fixed by the two groups of long steel nails 4 when using it on the cinder runway, increasing the fixing stability of the base 3.

[0024] As the second embodiment of the present invention: When the athlete adjusts the front and rear positions of the foot pedal 1 according to his own height needs, he can press the movable limit post 10 (the return spring 14 is compressed), so that the movable limit post 10 leaves the adjustment hole 9 and contracts into the inside of the movable groove 13. At this time, the sliding seat 12 can be moved back and forth, so that the front and rear positions of the foot pedal 1 are adjusted. Release the movable limit post 10, so that the return spring 14 can rebound, so that the movable limit post 10 extends outside the adjustment hole 9. The long steel nails 4 and the short steel nails 5 can be folded and stored by the fitting and rotational connection through the rotating hole and the rotating column, which is convenient for athletes to carry and transport. It is fixed by the two groups of short steel nails 5 when using it on the plastic runway, and is fixed by the two groups of long steel nails 4 when using it on the cinder runway, increasing the fixing stability of the base 3.

[0025] The above shows and describes the basic principles, main features and advantages of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present invention. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0026] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A track and field starting block, comprising a base, a rotating column, a fastening threaded hole, an adjustment hole, a movable limit column, a sliding groove, a sliding seat, a movable groove and a return spring, characterized in that: A sliding groove is provided inside the base, and a sliding seat is slidably connected to the sliding groove. A movable base is fixed to the left and right end surfaces of the sliding seat, and a foot pedal is installed on the front end surface of the movable base. An adjustment hole is provided on the upper end surface of the base, a movable groove is provided inside the sliding seat, a movable limiting column is movably connected to the movable groove and can extend out of the adjustment hole, a reset spring is fixed between the movable limiting column and the movable groove, a rotating column is rotatably connected inside the base, long steel nails are fixed between the rotating columns, short steel nails are fixed between the rotating columns, both the short steel nails and the long steel nails are provided with fastening threaded holes, and the fastening threaded holes are rotatably connected with fastening bolts.

2. A track and field starting block according to claim 1, characterized in that: The specification of the sliding groove matches that of the sliding seat, and the two can fit and slide in connection.

3. A track and field starting block according to claim 1, characterized in that: The inner diameter of the adjusting hole is equal to the outer diameter of the movable limiting column, and the two can fit and slide together. The outer diameter of the movable limiting column is equal to the inner diameter of the movable groove, and the two can fit and slide together.

4. A track and field starting block according to claim 1, characterized in that: The base is provided with storage grooves inside, and there are two groups of storage grooves. The specifications of one group of storage grooves match the specifications of the long steel nails, and the two can be fitted and connected. The specifications of the other group of storage grooves match the specifications of the short steel nails, and the two can be fitted and connected.

5. A track and field starting block according to claim 1, characterized in that: A rotating hole is provided inside the base, the inner diameter of the rotating hole is equal to the outer diameter of the rotating column, and the two can fit together and be rotatably connected.

6. A track and field starting block according to claim 1, characterized in that: The long steel nails and the short steel nails are each provided in two groups, and the two groups of the long steel nails and the two groups of the short steel nails are symmetrically arranged inside the base.

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