Sprint training device with chest rest assembly stepless adjusting function

Abstract

The utility model provides a sprint trainer with a chest rest assembly stepless adjusting function. The sprint trainer comprises a support, a chest rest assembly and a sliding seat. The sprint trainer further comprises an electric push rod, one end of the electric push rod is rotationally connected with the lower end of the oblique beam, the other end of the electric push rod is rotationally connected with the sliding seat, and the telescopic direction of the electric push rod is parallel to the sliding direction of the sliding seat relative to the oblique beam. According to the utility model, the relative positions of the sliding seat, the chest rest assembly and the oblique beam can be conveniently adjusted, and the stepless adjustment of the relative positions of the sliding seat, the chest rest assembly and the oblique beam can be realized, so that the adjustment precision of the sliding seat, the chest rest assembly and the oblique beam can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sprint trainers, and more specifically, to a sprint trainer with an infinitely adjustable function of a chest rest assembly. Background Art

[0002] A sprint trainer is a training device for athletes to conduct sprint training; currently, the sprint trainers on the market include a bracket, a chest rest assembly and a sliding seat; the sliding seat is slidably connected to the inclined beam of the bracket, the chest rest assembly is fixed on the sliding seat, and the chest rest assembly is used to abut against the chest and shoulders of the athlete. When athletes of different heights use the sprint trainer, it is necessary to adjust the relative position of the chest rest assembly and the inclined beam to meet the use requirements of athletes of different heights. In addition, a locking structure is provided between the sliding seat and the inclined beam, and the locking structure is used to lock the sliding seat and the inclined beam after the sliding seat slides relative to the inclined beam; however, in the structure of the sprint trainer on the market currently, the locking structure provided between the sliding seat and the inclined beam adopts a plug-type locking structure, that is, the locking structure includes a plug, a first jack is provided on the sliding seat, and a plurality of second jacks are provided on the inclined beam at intervals along the extension direction of the inclined beam. The plug is inserted into the first jack, and when the plug is inserted and matched with the second jacks at different positions, the locking structure can lock the sliding seat at different positions on the inclined beam, that is, the locking of the chest rest assembly is realized; however, in the above structure, when it is necessary to adjust the relative position of the sliding seat and the chest rest assembly and the inclined beam, it is necessary to insert and pull out the plug, so there is a disadvantage of troublesome adjustment. In addition, the relative position of the sliding seat and the chest rest assembly and the inclined beam cannot be adjusted infinitely, and there is a disadvantage of poor adjustment accuracy of the sliding seat and the chest rest assembly and the inclined beam. Summary of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide a sprint trainer with an infinitely adjustable function of a chest rest assembly, which can facilitate the adjustment of the relative position of the sliding seat and the chest rest assembly and the inclined beam, and can realize the infinite adjustment of the relative position of the sliding seat and the chest rest assembly and the inclined beam, thereby improving the adjustment accuracy of the sliding seat and the chest rest assembly and the inclined beam.

[0004] The utility model provides a sprint trainer with an infinitely adjustable function of a chest rest assembly, which includes a bracket, a chest rest assembly and a sliding seat; the sliding seat is slidably connected to the inclined beam of the bracket, the chest rest assembly is fixed on the sliding seat, and the sprint trainer further includes an electric push rod. One end of the electric push rod is rotatably connected to the lower end of the inclined beam, the other end of the electric push rod is rotatably connected to the sliding seat, and the telescopic direction of the electric push rod is parallel to the sliding direction of the sliding seat relative to the inclined beam.

[0005] The present utility model adjusts the relative positions of the sliding seat, the chest rest assembly and the inclined beam by using an electric push rod, which can facilitate the adjustment of the relative positions of the sliding seat, the chest rest assembly and the inclined beam, and can realize stepless adjustment of the relative positions of the sliding seat, the chest rest assembly and the inclined beam, thereby improving the adjustment accuracy of the relative positions of the sliding seat, the chest rest assembly and the inclined beam.

[0006] In a possible implementation manner, the sprint trainer further includes a first rotating shaft. One side of the lower end of the inclined beam is fixed with two spaced-apart support plates. One end of the electric push rod is inserted into the gap between the two support plates. The first rotating shaft passes through one end of the electric push rod and the two support plates. One end of the electric push rod is rotatably connected to the lower end of the inclined beam through the first rotating shaft. After adopting this structure, under the action of the first rotating shaft and the two support plates, one end of the electric push rod can be reliably rotatably connected to the lower end of the inclined beam.

[0007] In a possible implementation manner, the sprint trainer further includes a second rotating shaft. The bottom of the sliding seat is fixed with two spaced-apart connecting plates. The other end of the electric push rod is inserted into the gap between the two connecting plates. The second rotating shaft passes through the other end of the electric push rod and the two connecting plates. The other end of the electric push rod is rotatably connected to the sliding seat through the second rotating shaft. After adopting this structure, under the action of the second rotating shaft and the two connecting plates, the other end of the electric push rod can be reliably rotatably connected to the sliding seat.

[0008] In a possible implementation manner, sliding rails parallel to the inclined beam are fixed on the front and rear side walls of the inclined beam. The front and rear ends of the sliding seat are respectively slidably connected to the corresponding side sliding rails. After adopting this structure, under the action of the sliding rails, the sliding seat can be reliably slidably connected to the inclined beam.

[0009] In a possible implementation manner, a plurality of sliders spaced apart along the extension direction of the sliding rail are slidably connected to each sliding rail. The front and rear ends of the sliding seat are respectively fixed to a plurality of corresponding sliders. Under the action of the sliders, the sliding seat can be more smoothly slidably connected to the sliding rail, that is, the sliding seat can slide more smoothly along the inclined beam. Brief Description of the Drawings

[0010] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0011] Figure 2 is Figure 1 an enlarged structural schematic diagram of part A in

[0012] Figure 3 is Figure 1 an enlarged structural schematic diagram of part B in Detailed Embodiments

[0013] First of all, those skilled in the art should understand that these embodiments are only used to explain the technical principles of the embodiments of this application, and are not intended to limit the protection scope of the embodiments of this application. Those skilled in the art can make adjustments according to needs to adapt to specific application scenarios.

[0014] In the description of the embodiments of this application, it should be noted that unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of this application can be understood according to specific situations.

[0015] In the embodiments of this application, unless otherwise clearly specified and limited, the first feature being "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature is at a higher horizontal height than the second feature. The first feature being "under", "beneath" and "under" the second feature can be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature is at a lower horizontal height than the second feature.

[0016] The following further elaborates on this application in detail with reference to the accompanying drawings and specific embodiments.

[0017] See Figures 1-3 As shown, the embodiments of this application disclose a sprint trainer with a stepless adjustment function for a chest rest assembly, including a bracket 1, a chest rest assembly 2, and a sliding seat 3; the sliding seat 3 is slidably connected to the inclined beam 11 of the bracket 1, the chest rest assembly 2 is fixed to the sliding seat 3, and the sprint trainer further includes an electric push rod 4. One end of the electric push rod 4 is rotatably connected to the lower end of the inclined beam 11, the other end of the electric push rod 4 is rotatably connected to the sliding seat 3, and the telescopic direction of the electric push rod 4 is parallel to the sliding direction of the sliding seat 3 relative to the inclined beam 11.

[0018] During the use of the present utility model, when controlling the electric push rod to extend, the sliding seat can slide upward along the inclined beam, that is, the chest rest assembly can slide upward along the inclined beam. When controlling the electric push rod to contract, the sliding seat can slide downward along the inclined beam, that is, the chest rest assembly can slide downward along the inclined beam.

[0019] The sprint trainer further includes a first rotating shaft 5. On one side of the lower end of the inclined beam 11, two spaced-apart support plates 6 are fixed. One end of the electric push rod 4 is inserted into the gap between the two support plates 6. The first rotating shaft 5 passes through one end of the electric push rod 4 and the two support plates 6. One end of the electric push rod 4 is rotatably connected to the lower end of the inclined beam 11 through the first rotating shaft 5. After adopting this structure, under the action of the first rotating shaft and the two support plates, one end of the electric push rod can be reliably rotatably connected to the lower end of the inclined beam.

[0020] The sprint trainer further includes a second rotating shaft 7. On the bottom of the sliding seat 3, two spaced-apart connecting plates 8 are fixed. The other end of the electric push rod 4 is inserted into the gap between the two connecting plates 8. The second rotating shaft 7 passes through the other end of the electric push rod 4 and the two connecting plates 8. The other end of the electric push rod 4 is rotatably connected to the sliding seat 3 through the second rotating shaft 7. After adopting this structure, under the action of the second rotating shaft and the two connecting plates, the other end of the electric push rod can be reliably rotatably connected to the sliding seat.

[0021] On the front and rear side walls of the inclined beam 11, slide rails 91 parallel to the inclined beam 11 are fixed. The front and rear ends of the sliding seat 3 are respectively slidably connected to the corresponding side slide rails 91. After adopting this structure, under the action of the slide rails, the sliding seat can be reliably slidably connected to the inclined beam.

[0022] A plurality of sliders 92 spaced apart along the extension direction of the slide rail 91 are slidably connected to each slide rail 91. The front and rear ends of the sliding seat 3 are respectively fixed to the corresponding plurality of sliders 92. Under the action of the sliders, the sliding seat can be more smoothly slidably connected to the slide rail, that is, the sliding seat can slide more smoothly along the inclined beam.

[0023] The above is only the specific implementation manner of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed in the present application should be covered by the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A sprint trainer with stepless adjustment function of the chest rest component, comprising a bracket (1), a chest rest component (2) and a sliding seat (3); the sliding seat (3) is slidably connected to the inclined beam (11) of the bracket (1), and the chest rest component (2) is fixed on the sliding seat (3), characterized in that: The sprint trainer further includes an electric push rod (4). One end of the electric push rod (4) is rotatably connected to the lower end of the inclined beam (11), and the other end of the electric push rod (4) is rotatably connected to the sliding seat (3). The telescopic direction of the electric push rod (4) is parallel to the sliding direction of the sliding seat (3) relative to the inclined beam (11).

2. The sprint trainer with the stepless adjustment function of the chest rest assembly according to claim 1, wherein: The sprint trainer further includes a first rotating shaft (5). On one side of the lower end of the inclined beam (11), two spaced-apart support plates (6) are fixed. One end of the electric push rod (4) is inserted into the gap between the two support plates (6). The first rotating shaft (5) passes through one end of the electric push rod (4) and the two support plates (6). One end of the electric push rod (4) is rotatably connected to the lower end of the inclined beam (11) through the first rotating shaft (5).

3. The sprint trainer with infinitely variable adjustment function of the chest rest assembly according to claim 1, characterized in that: The sprint trainer further includes a second rotating shaft (7). On the bottom of the sliding seat (3), two spaced-apart connecting plates (8) are fixed. The other end of the electric push rod (4) is inserted into the gap between the two connecting plates (8). The second rotating shaft (7) passes through the other end of the electric push rod (4) and the two connecting plates (8). The other end of the electric push rod (4) is rotatably connected to the sliding seat (3) through the second rotating shaft (7).

4. The sprint trainer with the stepless adjustment function of the chest rest assembly according to any one of claims 1-3, characterized in that: On the front and rear side walls of the inclined beam (11), slide rails (91) parallel to the inclined beam (11) are fixed. The front and rear ends of the sliding seat (3) are respectively slidably connected to the slide rails (91) on the corresponding sides.

5. The sprint trainer with the stepless adjustment function of the chest rest assembly according to claim 4, wherein: A plurality of sliders (92) spaced apart along the extension direction of the slide rail (91) are slidably connected to each slide rail (91). The front and rear ends of the sliding seat (3) are respectively fixed to a plurality of the sliders (92) on the corresponding sides.

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