CN112755548A

CN112755548A - Foldable hurdle frame

Info

Publication number: CN112755548A
Application number: CN202011526490.0A
Authority: CN
Inventors: 彭樟林; 姚卫华; 金瑞鑫
Original assignee: Jiyang College of Zhejiang A&F University
Current assignee: Jiyang College of Zhejiang A&F University
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-05-07

Abstract

The invention discloses a foldable hurdle frame, and particularly relates to the field of sports equipment. Above-mentioned scheme, this hurdle of striding adopts collapsible storage formula structure, utilizes flexible bracing piece and the accomodating of hurdle horizontal pole to realize this quick expansion of hurdle of striding, and simple structure is convenient for assemble, and the accessible strides the folding of hurdle horizontal pole and cup joints flexible bracing piece inside, realizes accomodating fast, is convenient for carry transportation and takes up an area of the space round pin, improves this practicality of striding hurdle greatly.

Description

Foldable hurdle frame

Technical Field

The invention relates to the technical field of sports equipment, in particular to a foldable hurdle frame.

Background

Crossing obstacles is a fundamental life skill that humans develop in long-term production and in the fight against nature. The hurdle race as an athletic sport is developed and evolved from basic skills for crossing obstacles. Hurdle runs have evolved from games originated in the uk with shepherds crossing sheepfold fences. At that time, people called barrier running, which belongs to male sports projects, hurdle running is a sprint project which spans the specified height and quantity of railings and has strong technical performance within a certain distance, barriers arranged in early hurdle running are common fences, later hurdle frames buried on the ground appear, and gradually evolve to be hurdle frames along with the development of the times and the technological progress.

The hurdle of striding now includes the bottom plate, the bracing piece of being connected with the bottom plate and locates the railing on the bracing piece, and in the hurdle use of striding now, sportsman all will take in from the equipment warehouse and take out the hurdle of striding before and after the training is run to hurdle usually, and stride the hurdle heavy very again, carry very inconvenient very easily make sportsman be injured, even place in the equipment warehouse occupy a large amount of areas again.

In addition, due to the rigid connection design between the supporting rod and the bottom plate, when the athlete collides with the supporting rod in the hurdling process, the athlete is easily injured, and the safety performance of hurdling sports is reduced.

Disclosure of Invention

In order to overcome the above defects in the prior art, embodiments of the present invention provide a foldable hurdle frame, which adopts a foldable storage structure, and utilizes the storage of a telescopic support rod and a hurdle cross rod to realize the rapid expansion of the hurdle frame, the structure is simple and convenient to assemble, and the telescopic support rod can be sleeved inside by the folding of the hurdle cross rod to realize the rapid storage, so as to solve the problems proposed in the background art.

In order to achieve the purpose, the invention provides the following technical scheme that the foldable hurdle frame comprises a bottom foot cross rod, a telescopic supporting rod and a hurdle cross rod, wherein the bottom end of the telescopic supporting rod is movably inserted into the top surface of the bottom foot cross rod, damping rotating shafts are fixedly arranged at two ends of the hurdle cross rod, the top end of the telescopic supporting rod is rotatably sleeved on the outer side of the damping rotating shafts, a lock catch is arranged on the bottom surface of the hurdle cross rod, a counterweight bottom plate is fixedly arranged on the bottom surface of the bottom foot cross rod, a supporting slot at one end of the bottom foot cross rod is formed in the top surface of the bottom foot cross rod, a stable resisting plate is movably arranged in the supporting slot, and a handle sheath;

the telescopic support rod comprises a telescopic rod and a telescopic loop rod, the telescopic loop rod is sleeved at the bottom end of the telescopic rod in a sliding mode, the top end of the telescopic support rod is fixedly connected with a damping connecting lug, the damping connecting lug is rotatably sleeved on the outer side of a damping rotating shaft, and an inserting block is fixedly welded at the bottom end of the telescopic loop rod;

the hurdle cross rod comprises a first cross rod and a second cross rod, a hinged portion is arranged between the first cross rod and the second cross rod, accommodating grooves are formed in the first cross rod and the second cross rod, the first cross rod and the second cross rod are of inverted U-shaped structures, the surfaces of the first cross rod and the second cross rod are of smooth surface structures, connecting lugs located at connecting ends and connecting grooves are arranged at the end portions of the first cross rod and the second cross rod respectively, and the connecting lugs and the connecting grooves are matched in shape and size.

Preferably, the surface of the telescopic supporting rod is fixedly provided with a spring pin, the surface of the telescopic loop bar is provided with a plurality of through holes matched with the spring pin, and the through holes are vertically arranged in sequence.

Preferably, the base angle of one end of the insertion block is of a chamfer structure, the other side of the insertion block is abutted against the stable abutting plate, the other side of the stable abutting plate is fixedly connected with an abutting spring, the other end of the abutting spring is fixedly connected with the inner wall of the supporting slot, the width of the supporting slot is larger than that of the insertion block, and one side of the supporting slot, which is connected with the abutting spring, is of an inclined plane structure.

Preferably, the footing horizontal pole is the iron material component, the support slot is located the top surface of footing horizontal pole and is close to the one end of footing horizontal pole, the basal area of counter weight bottom plate is greater than the bottom surface of footing horizontal pole and, the top surface of counter weight bottom plate is equipped with a plurality of enhancement pterygoid laminas, strengthen the fixed welding in the side of pterygoid lamina and footing horizontal pole.

Preferably, the end parts of the first cross rod and the second cross rod are respectively provided with a barrier strip connecting groove and a limiting barrier strip, the barrier strip connecting groove and the limiting barrier strip are matched in shape and size, and the bottom surface of the limiting barrier strip is abutted to the inner part of the barrier strip connecting groove.

Preferably, the lock catch is of an elastic metal sheet structure, the lock catch is fixedly mounted on the bottom surface of the first cross rod, a fastening groove matched with the lock catch is formed in the inner side of the second cross rod, and the fastening groove corresponds to the lock catch in position.

Preferably, flexible bracing piece with accomodate the groove and be fit for in order to realize accomodating flexible bracing piece.

Preferably, the telescopic support rod and the hurdle cross rod are aluminum alloy or plastic steel members, and the inner side of the telescopic support rod is of a hollow cavity structure.

The invention has the technical effects and advantages that:

1. in the scheme, the hurdle frame adopts a foldable storage type structure, the hurdle frame is quickly unfolded by utilizing the storage of the telescopic supporting rods and the hurdle cross rods, the structure is simple and convenient to assemble, the telescopic supporting rods can be sleeved inside the hurdle cross rods through the folding of the hurdle cross rods, the quick storage is realized, the transportation is convenient, the occupied space is saved, and the practicability of the hurdle frame is greatly improved;

2. in the scheme, the hurdle frame adopts a U-shaped hurdle cross rod and elastic pin structure, the injury caused by accidental collision of athletes is prevented by using a smooth surface smooth hurdle cross rod structure, the stable support of the telescopic supporting rod is realized by disassembling the insert block and the supporting slot and using the stable resisting plate structure, the telescopic supporting rod and the hurdle cross rod can be directly toppled to avoid damage to the athletes when accidents happen in the using process, and the safety of the hurdle frame is improved;

3. in the above-mentioned scheme, adopt the aluminum alloy material component, use the material cheap and practical to durable, the environmental protection, longe-lived utilizes the light advantage of the high texture of aluminum alloy hardness, can effectively alleviate whole hurdle of striding the weight of frame and be convenient for carry and accomodate, and high hardness can effectively prevent to stride the hurdle life because of the damage of bending that the misoperation leads to in the use, improves this hurdle life.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the folding of the hurdle rail of the present invention;

FIG. 3 is a schematic view of the cross bar and the telescopic support bar of the present invention;

FIG. 4 is a schematic view of the structure of FIG. 3 at A in accordance with the present invention;

FIG. 5 is a schematic view of the installation structure of the telescopic supporting rod of the present invention;

fig. 6 is a schematic view of the folded storage according to the present invention.

The reference signs are:

1. a bottom foot cross bar; 2. a telescopic support rod; 3. a hurdle cross bar; 4. locking; 5. a grip sheath; 6. a damping rotating shaft; 7. stabilizing the abutting plate; 11. a counterweight bottom plate; 12. a support slot; 21. a telescopic rod; 22. a telescopic loop bar; 23. a spring pin; 24. damping connecting lugs; 25. inserting a block; 31. a first cross bar; 32. a second cross bar; 33. a hinge portion; 34. a receiving groove; 311. connecting lugs; 312. the barrier strip is connected with the groove; 321. connecting a groove; 322. a limiting barrier strip; 71. abutting the spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The embodiment of the invention provides a foldable hurdle frame as shown in the attached drawings 1 to 6, which comprises a bottom foot cross rod 1, a telescopic supporting rod 2 and a hurdle cross rod 3, wherein the bottom end of the telescopic supporting rod 2 is movably inserted into the top surface of the bottom foot cross rod 1, damping rotating shafts 6 are fixedly mounted at two ends of the hurdle cross rod 3, the top end of the telescopic supporting rod 2 is rotatably sleeved on the outer sides of the damping rotating shafts 6, a lock catch 4 is arranged on the bottom surface of the hurdle cross rod 3, a counterweight bottom plate 11 is fixedly mounted on the bottom surface of the bottom foot cross rod 1, a supporting slot 12 is formed in the top surface of the bottom foot cross rod 1, and. The inner part of the supporting slot 12 is movably provided with a stable resisting plate 7, the surface of the hurdle cross rod 3 is adhered with a handle sheath 5, the bottom cross rod 1 is an iron member, the bottom area of the counterweight bottom plate 11 is larger than that of the bottom cross rod 1, the top surface of the counterweight bottom plate 11 is provided with a plurality of reinforcing wing plates, and the reinforcing wing plates are fixedly welded with the side surfaces of the bottom cross rod 1;

the telescopic support rod 2 comprises a telescopic rod 21 and a telescopic loop rod 22, the telescopic loop rod 22 is sleeved at the bottom end of the telescopic rod 21 in a sliding mode, the top end of the telescopic support rod 2 is fixedly connected with a damping connecting lug 24, the damping connecting lug 24 is rotatably sleeved on the outer side of the damping rotating shaft 6, and an insert block 25 is fixedly welded at the bottom end of the telescopic loop rod 22;

the rail-hurdling cross rod 3 comprises a first cross rod 31 and a second cross rod 32, a hinge portion 33 is arranged between the first cross rod 31 and the second cross rod 32, a containing groove 34 is arranged inside the first cross rod 31 and the second cross rod 32, the first cross rod 31 and the second cross rod 32 are of an inverted U-shaped structure, the surfaces of the first cross rod 31 and the second cross rod 32 are smooth surface structures, the end portions of the first cross rod 31 and the second cross rod 32 are respectively provided with a connecting lug 311 and a connecting groove 321 which are located at connecting ends, the connecting lug 311 and the connecting groove 321 are matched in shape and size, and the telescopic supporting rod 2 is matched with the containing groove 34 to contain the telescopic supporting rod 2.

In this embodiment, the surface of the telescopic supporting rod 2 is fixedly provided with a spring pin 23, the surface of the telescopic loop bar 22 is provided with a plurality of through holes matched with the spring pin 23, and the through holes are vertically arranged in sequence, so as to realize the lifting adjustment and height locking of the hurdle frame.

In this embodiment, the bottom corner of one end of the insertion block 25 is a chamfered structure, the other side of the insertion block 25 is abutted against the stable abutting plate 7, the other side of the stable abutting plate 7 is fixedly connected with an abutting spring 71, the other end of the abutting spring 71 is fixedly connected with the inner wall of the supporting slot 12, the width of the supporting slot 12 is greater than that of the insertion block 25, and the side of the supporting slot 12 connected with the abutting spring 71 is an inclined plane structure.

Specifically, if the athlete falls down accidentally, the hinge portion 33 rotates between the first cross rod 31 and the second cross rod 32, and the telescopic support rod 2 and the hurdle cross rod 3 can rotate to collapse the two sides of the athlete and fall to the ground, so that the injury to the athlete is prevented.

In this embodiment, the ends of the first cross bar 31 and the second cross bar 32 are respectively provided with a barrier strip receiving groove 312 and a limit barrier strip 322 at the connecting end, the barrier strip receiving groove 312 and the limit barrier strip 322 are matched in shape and size, and the side surface of the limit barrier strip 322 abuts against the inside of the barrier strip receiving groove 312.

Specifically, the rotatable bending of accessible first horizontal pole 31 and second horizontal pole 32 is folded and is accomodate, and can connect the setting of groove 312 and spacing blend stop 322 to carry out spacing fixed through the butt of blend stop groove 312 and spacing blend stop 322 after hurdling horizontal pole 3 expandes through the blend stop.

In this embodiment, the latch 4 is an elastic metal sheet structure, the latch 4 is fixedly mounted on the bottom surface of the first cross bar 31, and the inner side of the second cross bar 32 is provided with a catching groove adapted to the latch 4, and the catching groove corresponds to the position of the latch 4.

In this embodiment, the telescopic support rod 2 and the hurdle cross bar 3 are made of aluminum alloy or plastic steel, and the inner side of the telescopic support rod 2 is a hollow cavity structure, so that the weight of the hurdle frame is reduced, and the hurdle frame is convenient to transport.

The working process of the invention is as follows:

when the hurdle frame is used, the first cross rod 31 and the second cross rod 32 rotate around the hinge portion 33 to realize extension and expansion, the damping connecting lugs 24 are connected with the damping rotating shafts 6 in a sleeved mode, the telescopic supporting rods 2 are rotated to realize extension of the telescopic supporting rods 2, the telescopic supporting rods 2 are taken out from the accommodating grooves 34, after the height of the telescopic supporting rods is adjusted to a specified height, the spring pins 23 are used for locking the height, the bottom ends of the telescopic supporting rods 2 are inserted into the supporting slots 12 through the inserting blocks 25, and the telescopic supporting rods 2 are prevented from inclining and collapsing due to the abutting of the stable abutting plates 7;

when using, if the sportsman when colliding with because of the unexpected emergence, the injury that the unexpected colliding with of smooth surface circular and smooth formula cross rail 3 structure prevented that the sportsman from leading to, when if the sportsman falls down by accident, the flexible bracing piece of flexible bracing piece 2 accessible is connected with the rotation of striding between the rail horizontal pole 3 and is carried out the collapse of both sides and contract, falls to ground, prevents to cause the injury to the sportsman.

In the proposal, the hurdle frame adopts a foldable and retractable structure, realizes the rapid expansion of the hurdle frame by utilizing the retraction of the telescopic support rod 2 and the hurdle cross rod 3, has simple structure and convenient assembly, and the telescopic support rod 2 can be sleeved inside by folding the hurdle cross rod 3, thereby realizing rapid storage, being convenient for transportation and occupying space, greatly improving the practicability of the hurdle frame, and adopts the U-shaped structure of the hurdle cross bar 3 and the elastic pin structure, and utilizes the smooth surface smooth type hurdle cross bar 3 structure to prevent the injury caused by the accidental bump of athletes, and the stable support of the telescopic supporting rod 2 is realized by disassembling the insert block 25 and the supporting slot 12 and utilizing the structure of the stable resisting plate 7, keep off flexible bracing piece 2 and hurdle horizontal pole 3 and can directly empty and avoid causing the harm to the sportsman when meeting accident in the use, improve this safety of hurdle frame.

Finally, it should be noted that, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationships may be changed;

secondly, in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to common designs, and under the condition of no conflict, the same embodiment and different embodiments of the invention can be combined with each other;

finally, the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalents, improvements and the like which are within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A foldable hurdle frame comprises a bottom cross rod (1), a telescopic supporting rod (2) and a hurdle cross rod (3), and is characterized in that the bottom end of the telescopic supporting rod (2) is movably inserted into the top surface of the bottom cross rod (1), damping rotating shafts (6) are fixedly mounted at two ends of the hurdle cross rod (3), the top end of the telescopic supporting rod (2) is rotatably sleeved on the outer sides of the damping rotating shafts (6), a lock catch (4) is arranged on the bottom surface of the hurdle cross rod (3), a counterweight bottom plate (11) is fixedly mounted on the bottom surface of the bottom cross rod (1), a supporting slot (12) located at one end of the bottom cross rod (1) is formed in the top surface of the bottom cross rod (1), a stable abutting plate (7) is movably mounted inside the supporting slot (12), and a handle sheath (5) is pasted on the surface of the hurdle cross rod;

the telescopic supporting rod (2) comprises a telescopic rod (21) and a telescopic sleeve rod (22), the telescopic sleeve rod (22) is sleeved at the bottom end of the telescopic rod (21) in a sliding mode, the top end of the telescopic supporting rod (2) is fixedly connected with a damping connecting lug (24), the damping connecting lug (24) is rotatably sleeved on the outer side of the damping rotating shaft (6), and an inserting block (25) is fixedly welded at the bottom end of the telescopic sleeve rod (22);

the hurdle cross rod (3) comprises a first cross rod (31) and a second cross rod (32), a hinge portion (33) is arranged between the first cross rod (31) and the second cross rod (32), a containing groove (34) is arranged inside the first cross rod (31) and the second cross rod (32), the first cross rod (31) and the second cross rod (32) are of an inverted U-shaped structure, the surfaces of the first cross rod (31) and the second cross rod (32) are of smooth surface structures, the end portions of the first cross rod (31) and the second cross rod (32) are respectively provided with a connecting lug (311) and a connecting groove (321) which are located at the connecting ends, and the connecting lugs (311) and the connecting grooves (321) are matched in shape and size.

2. A foldable hurdle bracket according to claim 1, wherein the surface of the telescopic support rod (2) is fixedly provided with a spring pin (23), the surface of the telescopic loop rod (22) is provided with a plurality of through holes adapted to the spring pin (23), and the through holes are vertically arranged in sequence.

3. The foldable hurdle rack according to claim 2, wherein a bottom corner of one end of the insert block (25) is in a chamfered structure, the other side of the insert block (25) is abutted against the stable abutting plate (7), the other side of the stable abutting plate (7) is fixedly connected with an abutting spring (71), the other end of the abutting spring (71) is fixedly connected with the inner wall of the support slot (12), the width of the support slot (12) is larger than that of the insert block (25), and one side of the support slot (12) connected with the abutting spring (71) is in an inclined structure.

4. A foldable hurdle support according to claim 3, wherein the foot cross bar (1) is a ferrous member, the support slot (12) is located on the top surface of the foot cross bar (1) and near one end of the foot cross bar (1), the bottom area of the counterweight bottom plate (11) is larger than the bottom surface of the foot cross bar (1), the top surface of the counterweight bottom plate (11) is provided with a plurality of reinforcing wing plates, and the reinforcing wing plates are fixedly welded to the side surfaces of the foot cross bar (1).

5. A foldable hurdle rack according to claim 4, wherein the ends of the first cross bar (31) and the second cross bar (32) are respectively provided with a barrier connecting groove (312) and a limit barrier (322) at the connecting end, the barrier connecting groove (312) and the limit barrier (322) are matched in shape and size, and the bottom surface of the limit barrier (322) abuts against the inside of the barrier connecting groove (312).

6. The foldable hurdle rack according to claim 5, wherein the latch (4) is an elastic metal sheet structure, the latch (4) is fixedly mounted on the bottom surface of the first cross bar (31), and the inner side of the second cross bar (32) is provided with a catching groove adapted to the latch (4), and the catching groove corresponds to the latch (4).

7. A foldable hurdle according to claim 6, wherein said telescopic support bar (2) is adapted to the receiving groove (34) to allow for the receiving of the telescopic support bar (2).

8. A foldable hurdle stand according to claim 7, wherein the telescopic support rods (2) and the hurdle cross bar (3) are made of aluminum alloy or plastic steel, and the inner sides of the telescopic support rods (2) are hollow cavity structures.