Portable hurdle frame for physical fitness

Abstract

The utility model discloses a portable hurdle for physical fitness, which belongs to the field of physical fitness equipment and comprises a bottom limit strip, U-shaped frames are rotatably mounted on two sides of the upper end of the bottom limit strip, support rods are rotatably mounted at the upper ends in the U-shaped frames, limit blocks are mounted at the upper ends of the support rods in a hinged manner, and the limit blocks are mounted at the lower ends of the support rods. A storage groove is formed in the front portion of the lower end of the bottom limiting strip, movable supporting rods are rotationally installed on the two sides in the storage groove, rectangular cavities are formed in the lower ends of the interiors of the two supporting rods, through holes are formed in the front ends and the rear ends of the rectangular cavities, and the through holes in the front ends and the rear ends are arranged in an up-down staggered mode; according to the portable hurdle frame, the supporting rods and the U-shaped frames which can be folded and stored are arranged on the two sides of the hurdle frame to support the handrails, the hurdle frame is folded when the hurdle frame is carried, the occupied area of the hurdle frame is reduced, the hurdle frame is convenient to take and move, and the portability of the hurdle frame is improved.

Description

Technical Field

[0001] The utility model relates to the field of sports fitness equipment, and more specifically, to a portable hurdle for sports fitness. Background Art

[0002] Sports fitness refers to the physical exercise activities carried out by ordinary healthy people to enhance physical fitness and promote health. Generally speaking, teenagers mainly carry out fitness exercises through track and field, gymnastics, ball games, swimming, outings, bodybuilding, dancing and other activities.

[0003] Chinese Patent Grant Publication No.: CN219333146U provides a hurdle for sports fitness. Through the mutual cooperation of the second spring, the fixed frame and the first card slot, when an athlete fails to cross the partition and collides with it, under the action of the impact force, the partition moves forward, thereby releasing the restraint on it, and the partition pops out under the action of elasticity, avoiding unnecessary losses caused by the partition tripping the athlete, and thus solving the problem that the hurdle is prone to trip the athlete due to improper operation.

[0004] The bottom of the above-mentioned hurdle adopts an integrally formed design, resulting in the hurdle being unable to be folded, having a large floor area, and being inconvenient to carry and move. Content of the Utility Model

[0005] 1. Technical Problem to be Solved

[0006] Aiming at the problems existing in the prior art, the purpose of the present utility model is to provide a portable hurdle for sports fitness, which can support the railing by arranging foldable and retractable support rods and U-shaped frames on both sides of the hurdle. When carrying the hurdle, the hurdle can be folded to reduce the floor area of the hurdle, and it is convenient to take and move the hurdle, improving the portability of the hurdle.

[0007] 2. Technical Solution

[0008] To solve the above problems, the present utility model adopts the following technical solutions.

[0009] A portable hurdle for sports fitness includes a bottom limit strip. Both sides of the upper end of the bottom limit strip are rotatably installed with U-shaped frames. The upper ends inside the U-shaped frames are rotatably installed with support rods. The upper ends of the support rods are hinged with limit blocks, and railings are fixedly installed inside the limit blocks.

[0010] Furthermore, a storage groove is arranged at the front part of the lower end of the bottom limit strip, and movable support rods are rotatably installed on both sides inside the storage groove.

[0011] Further, rectangular cavities are provided at the lower ends inside the two support rods. Through holes are provided at the front and rear ends of the rectangular cavity, and the through holes at the front and rear ends are vertically offset. A support and fixation assembly is installed inside the rectangular cavity. The support and fixation assembly includes a gear and a rack. The gear is installed in the middle of the rectangular cavity through a rotational connection method. The rack is installed at the upper and lower ends of the gear through a meshing connection method, and the rack is movably inserted into the through hole. A rotating rod is fixedly installed in the middle of the outer end of the gear. The rotating rod is rotationally connected to the support rod, and a driving block is fixedly installed at the outer end of the rotating rod.

[0012] Further, clamping grooves are provided at the front and rear parts of the upper ends of the two U-shaped frames, and the clamping grooves at the front and rear ends are vertically offset. The cross-sectional shape of the clamping groove is adapted to that of the rack.

[0013] 3. Beneficial effects

[0014] Compared with the prior art, the advantages of the present utility model are as follows:

[0015] (1) This solution can realize supporting the railing by arranging foldable and retractable support rods and U-shaped frames on both sides of the hurdle. When transporting the hurdle, the hurdle is folded, reducing the floor area of the hurdle and facilitating the taking, moving, and improving the portability of the hurdle.

[0016] (2) The length of the movable support rod is half of the inner length of the storage groove. Therefore, the movable support rod can be rotationally stored on both sides inside the storage groove and can be rotated to be perpendicular to the bottom limiting strip at the front end to support the hurdle.

[0017] (3) By arranging a rectangular cavity and through holes at the inner bottom of the support rod, it is convenient for the limiting and use of the support and fixation assembly. The staff can directly manually rotate the driving block to rotate, synchronously driving the gear inside the rectangular cavity to rotate, and driving the racks at its upper and lower ends to move in and out through the gear.

[0018] (4) When the support rod and the U-shaped frame are in a supporting state, the rack moves outwards and can be directly inserted into the clamping groove to strengthen the connection between the support rod and the U-shaped frame, so that the support rod and the U-shaped frame maintain a stable vertical support state and improve the stability of the hurdle. Description of the drawings

[0019] Figure 1 It is the front side view of the hurdle in the present utility model;

[0020] Figure 2 It is the structural schematic diagram of the storage state of the hurdle in the present utility model;

[0021] Figure 3 It is the structural schematic diagram of the connection state of the support rod and the U-shaped frame in the present utility model.

[0022] Explanation of the reference numerals in the drawings:

[0023] 1. Bottom limit bar; 11. Storage groove; 2. Movable support rod; 3. U-shaped frame; 31. Card slot; 4. Support rod; 41. Rectangular cavity; 5. Limit block; 6. Rail; 7. Support and fixing component; 71. Gear; 72. Rack; 73. Driving block. Specific embodiments

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0025] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "top / bottom end", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0026] In the description of the present invention, it should be noted that unless otherwise clearly specified and limited, the terms "installed", "provided with", "sheathed / connected", "connected", etc. should be understood in a broad sense. For example, "connected" 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, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0027] Embodiment 1:

[0028] Please refer to Figure 1-2, A portable hurdle for sports fitness, comprising a bottom limit bar 1. On both sides of the upper end of the bottom limit bar 1, U-shaped frames 3 are rotatably installed. Inside the upper end of the U-shaped frame 3, a support rod 4 is rotatably installed. At the upper end of the support rod 4, a limit block 5 is hinged. Inside the limit block 5, a railing 6 is fixedly installed. The two U-shaped frames 3 are rotatably installed on both sides of the upper end of the bottom limit bar 1. The U-shaped frame 3 is set perpendicular to the bottom limit bar 1, and then the support rod 4 and the U-shaped frame 3 are arranged in a straight standing distribution. Then, the support rod 4 and the U-shaped frame 3 can support the railing 6 at their upper ends. When it is necessary to store the hurdle, it is only necessary to push inward at the connection between the U-shaped frame 3 and the support rod 4, fold and store the U-shaped frame 3 and the support rod 4, and then the railing 6 will move downward synchronously, reducing the floor area of the hurdle.

[0029] At the front part of the lower end of the bottom limit bar 1, a storage groove 11 is provided. On both sides of the inside of the storage groove 11, movable support rods 2 are rotatably installed. During use, the length of the movable support rod 2 is half of the internal length of the storage groove 11. Therefore, the movable support rod 2 can be rotatably stored on both sides inside the storage groove 11 and can be rotated to the front end to be perpendicular to the bottom limit bar 1 to support the hurdle.

[0030] Please refer to Figure 1 and Figure 3 , Inside the lower ends of both support rods 4, rectangular cavities 41 are provided. At the front and rear ends of the rectangular cavity 41, through holes are provided, and the through holes at the front and rear ends are vertically offset. Inside the rectangular cavity 41, a support fixing component 7 is installed. The support fixing component 7 includes a gear 71 and a rack 72. The gear 71 is installed in the middle of the rectangular cavity 41 by a rotational connection method. The rack 72 is installed at the upper and lower ends of the gear 71 by a meshing connection method, and the rack 72 is movably inserted into the through holes. In the middle of the outer end of the gear 71, a rotating rod is fixedly installed. The rotating rod is rotatably connected to the support rod 4. At the outer end of the rotating rod, a driving block 73 is fixedly installed. During use, by providing the rectangular cavity 41 and the through holes at the inner bottom of the support rod 4, it is convenient for the limit and use of the support fixing component 7. The staff can directly manually rotate the driving block 73 to rotate, synchronously driving the gear 71 inside the rectangular cavity 41 to rotate, and driving the racks 72 at its upper and lower ends to move in and out.

[0031] At the front and rear parts of the upper ends of the two U-shaped frames 3, card slots 31 are provided, and the front and rear card slots 31 are vertically offset. The cross-sectional shape of the card slot 31 is adapted to that of the rack 72. During use, when the support rod 4 and the U-shaped frame 3 are in a supporting state, the rack 72 moves outward and can be directly inserted into the card slot 31 to strengthen the connection between the support rod 4 and the U-shaped frame 3, making the support rod 4 and the U-shaped frame 3 maintain a stable vertical support state and improving the stability of the hurdle.

[0032] The working principle of the present utility model is as follows: First, move the hurdle rack to the position where it is needed. Two U-shaped frames 3 are rotatably installed on both sides of the upper end of the bottom limit strip 1, and the U-shaped frames 3 are arranged perpendicular to the bottom limit strip 1. Then, the support rods 4 and the U-shaped frames 3 are arranged in a straight line standing distribution, so that the support rods 4 and the U-shaped frames 3 can support the railing 6 at their upper ends. The staff can directly manually rotate the driving block 73 to rotate, synchronously driving the gear 71 inside the rectangular cavity 41 to rotate. By driving the racks 72 at the upper and lower ends of the gear 71 to translate outwards, it can be directly inserted into the card slot 31 to strengthen the connection between the support rod 4 and the U-shaped frame 3, so that the support rod 4 and the U-shaped frame 3 maintain a stable vertical support state, improving the stability of the hurdle rack. At the same time, rotate and open the two movable support rods 2 in the storage groove 11 until the front ends are perpendicular to the bottom limit strip 1 to support the hurdle rack.

[0033] The above is only the preferred specific implementation manner of the present utility model; however, the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its improved concept, makes equivalent substitutions or changes, and should be covered by the protection scope of the present utility model.

Claims

1. A portable hurdle for sports fitness, comprising a bottom limit strip (1), characterized in that: On both sides of the upper end of the bottom limiting strip (1), U-shaped frames (3) are rotatably installed. Inside the upper end of the U-shaped frame (3), a support rod (4) is rotatably installed. At the upper end of the support rod (4), a limiting block (5) is hingedly installed. Inside the limiting block (5), a railing (6) is fixedly installed.

2. The portable hurdle for physical fitness according to claim 1, wherein: At the front part of the lower end of the bottom limiting strip (1), a storage groove (11) is provided. On both sides inside the storage groove (11), movable support rods (2) are rotatably installed.

3. A portable hurdle for physical fitness according to claim 1, characterized in that: At the lower ends inside both support rods (4), rectangular cavities (41) are provided. At the front and rear ends of the rectangular cavity (41), through holes are provided, and the through holes at the front and rear ends are vertically and horizontally offset. Inside the rectangular cavity (41), a support and fixation assembly (7) is installed.

4. The portable hurdle for sports fitness according to claim 3, characterized in that: Both support and fixation assemblies (7) include a gear (71) and a rack (72). The gear (71) is installed in the middle inside the rectangular cavity (41) in a rotationally connected manner. The rack (72) is installed at the upper and lower ends of the gear (71) in a meshing connection manner, and the rack (72) is movably inserted into the through hole.

5. The portable hurdle for physical fitness according to claim 4, characterized in that: In the middle of the outer ends of both gears (71), a rotating rod is fixedly installed. The rotating rod is rotatably connected to the support rod (4). At the outer end of the rotating rod, a driving block (73) is fixedly installed.

6. The portable hurdle for physical fitness according to claim 1, wherein: At the front and rear parts of the upper ends of both U-shaped frames (3), clamping grooves (31) are provided, and the clamping grooves (31) at the front and rear ends are vertically and horizontally offset. The cross-sectional shape of the clamping groove (31) is adapted to that of the rack (72).

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