CN215427242U

CN215427242U - Track and field match is with training device that hurdles

Info

Publication number: CN215427242U
Application number: CN202121858593.7U
Authority: CN
Inventors: 万绪鹏
Original assignee: Xian University of Technology
Current assignee: Xian University of Technology
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-01-07
Anticipated expiration: 2031-08-10

Abstract

The utility model discloses a hurdle training device for track and field competitions, which comprises a chassis, wherein the middle part of the top end of the chassis is fixedly connected with a support rod, the middle parts of the support rods are respectively provided with a lifting hole, the inner walls of the bottom ends of the lifting holes are respectively and rotatably connected with a rotating column, the top ends of the rotating columns are respectively and fixedly connected with a first conical wheel, one side of the first conical wheel is respectively and meshingly connected with a second conical wheel, and a rotating rod is fixedly connected in a through hole in the middle part of the second conical wheel. According to the utility model, firstly, the adjusting knob is rotated to enable the lifting rod to rise, the height can be automatically adjusted through the scale marks, the left cross rod and the right cross rod are respectively sleeved on the lifting rod and are matched with the left limiting piece and the right limiting piece to limit the lifting rod, finally, the magnet block is inserted into the magnet groove to be fixed, otherwise, the magnet block is disassembled and stored, and when collision occurs, the magnet block and the magnet groove separate the left cross rod and the right cross rod to rotate, so that certain safety is improved, and the lifting rod is worth of being widely popularized.

Description

Track and field match is with training device that hurdles

Technical Field

The utility model relates to the field of track and field sports equipment, in particular to a hurdle training device for track and field competitions.

Background

The hurdle is a very healthy and interesting sports event, along with the popularization of the hurdle, the hurdle is built into more and more important sports equipment, the hurdle running is sprinting with high speed and strong technical requirements on athletes, the hurdle running is essentially running, and the most important characteristic of the hurdle running is that a certain number of obstacles are crossed during high-speed running, so that the high sports level can be reached only by scientifically and systematically training the flat running speed and special technology of the athletes, but due to the influence of a plurality of factors such as technology, field and training time, the hurdle cannot be emphasized in some schools, the hurdle is not popularized enough, and even the game is cancelled in sports meetings, so that the sports level of the hurdle is slowly improved.

Chinese patent document CN213667941U discloses a field diameter exercise is with training device of hurdling, including first transmission case, the second transmission case, base and railing, railing bottom both sides all are provided with the balancing weight, base one side is provided with the carousel, other end central point department of putting is connected with the bull stick on the carousel, the bull stick other end lets in the base, the bull stick other end is connected with base one side inner wall rotation through the primary shaft bearing that sets up, install bevel gear on arranging the bull stick in the base in, bevel gear is for controlling two, right side bevel gear top vertical meshing has first bevel gear, left side bevel gear top vertical meshing has second bevel gear, first bevel gear top is connected with first lead screw, second bevel gear top is connected with the second lead screw. Although the railing of the device is connected with the connecting rod in a rotating mode, and the balancing weight is arranged at the bottom of the railing, the railing can automatically reset after being overturned, the training or competition continuity is guaranteed, meanwhile, the height of the railing can be freely adjusted, the training of different heights can be conveniently carried out by athletes, the railing is simple and practical, the possibility of stumbling the athletes still exists, irreparable injuries are caused, and therefore the railing is not enough, occupies a large space and is not easy to store.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a hurdle training device for track and field competitions.

In order to achieve the purpose, the utility model adopts the following technical scheme: a hurdle training device for track and field competitions comprises a chassis, wherein supporting rods are fixedly connected to the middle of the top end of the chassis, lifting holes are formed in the middle of the supporting rods, rotary columns are rotatably connected to the inner walls of the bottoms of the lifting holes, first conical wheels are fixedly connected to the top ends of the rotary columns, second conical wheels are meshed and connected to one sides of the first conical wheels, rotary rods are fixedly connected to the inner sides of through holes in the middle of the second conical wheels, one ends of the rotary rods, far away from the second conical wheels, penetrate through the supporting rods and are fixedly connected with adjusting knobs, lifting rods are slidably connected to the inner sides of the through holes in the middle of the first conical wheels, sliding grooves are formed in one sides of the lifting rods, far away from the second conical wheels, sliding blocks are slidably connected to the inner portions of the sliding grooves, the tops of the lifting rods on the left side are rotatably connected with left transverse rods, and the tops of the lifting rods on the right side are rotatably connected with right transverse rods, the right-hand member fixedly connected with magnet piece of left side horizontal pole front side, the left end of right side horizontal pole front side sets up the magnet groove.

As a further description of the above technical solution:

and anti-skid corrugations are arranged on the outer wall of the adjusting knob.

As a further description of the above technical solution:

and scale marks are arranged on one side of the lifting rod, which is positioned on the second cone-shaped wheel.

As a further description of the above technical solution:

the sliding block is far away from one side of the sliding groove and is fixedly connected to the inner wall of the top of the lifting hole.

As a further description of the above technical solution:

the upper and lower both sides that the lifter top is located left horizontal pole all are provided with left locating part.

As a further description of the above technical solution:

the top end of the lifting rod is positioned at the upper side and the lower side of the right cross rod and is provided with a right limiting part.

As a further description of the above technical solution:

the magnet groove and the magnet block are mutually attracted.

As a further description of the above technical solution:

the bottom end of the lifting rod is in threaded connection with the inside of the rotary column.

The utility model has the following beneficial effects:

1. according to the utility model, the rotating rod is rotated by rotating the adjusting knob to drive the second conical wheel to rotate, so that the first conical wheel is rotated, the rotating column is rotated at the moment, the lifting rod is connected inside the rotating column in a threaded manner, so that the lifting rod is lifted when the rotating column rotates, the lifting rod is prevented from rotating when the lifting rod is lifted due to the mutual matching of the sliding groove and the sliding block, a certain limiting effect is achieved, the lifting height can be automatically adjusted through the scale marks, the left cross rod and the right cross rod are respectively sleeved on the lifting rod at the moment, the left limiting part and the right limiting part are matched to limit the lifting rod, and finally the magnet block is inserted into the magnet groove to be fixed, and is detached and stored otherwise.

2. In the utility model, the left cross rod and the right cross rod are fixed through the mutual matching of the magnet block and the magnet groove, when collision occurs, the magnet block and the magnet groove are separated, so that the left cross rod and the right cross rod respectively rotate around the lifting rod, thus the stumbling of athletes can be avoided, unnecessary injury is avoided, certain safety is improved, and the safety device is worth popularizing.

Drawings

FIG. 1 is a front perspective view of a hurdle training device for track and field events according to the present invention;

FIG. 2 is a rear perspective view of a hurdle training device for track and field events according to the present invention;

FIG. 3 is an exploded view of a track and field competition hurdle trainer in accordance with the present invention;

FIG. 4 is a view showing an internal structure of a bar of the hurdle training device for track and field events according to the present invention;

fig. 5 is an enlarged view of a portion a in fig. 4.

Illustration of the drawings:

1. a left cross bar; 2. a left limit piece; 3. adjusting a knob; 4. a strut; 5. a chassis; 6. a rotating rod; 7. A magnet block; 8. a lifting rod; 9. a right limit piece; 10. a right cross bar; 11. a magnet slot; 12. a lifting hole; 13. turning the column; 14. a first conical wheel; 15. a second conical wheel; 16. scale lines; 17. anti-skid corrugation; 18. a chute; 19. a slide block.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, one embodiment of the present invention is provided: a hurdle training device for track and field competitions comprises a chassis 5, wherein supporting rods 4 are fixedly connected to the middle of the top end of the chassis 5, lifting holes 12 are formed in the middle of the supporting rods 4, rotating columns 13 are rotatably connected to the inner walls of the bottoms of the lifting holes 12, first conical wheels 14 are fixedly connected to the top ends of the rotating columns 13, second conical wheels 15 are respectively meshed and connected to one sides of the first conical wheels 14, the first conical wheels 14 are rotated through rotation of the second conical wheels 15, rotating rods 6 are fixedly connected to the inner portions of through holes in the middle of the second conical wheels 15, ends, far away from the second conical wheels 15, of the rotating rods 6 penetrate through the supporting rods 4 and are fixedly connected with adjusting knobs 3, the rotating rods 6 are rotated through rotation of the adjusting knobs 3, the second conical wheels 15 are rotated, lifting rods 8 are respectively connected to the through holes in the middle of the first conical wheels 14 in a sliding mode, sliding grooves 18 are respectively formed in one sides, far away from the second conical wheels 15, of the lifting rods 8, inside sliding connection of spout 18 has slider 19, spout 18 can make lifter 8 avoid taking place rotatoryly in going up and down with slider 19's mutual cooperation, certain limiting displacement has been played, left side lifter 8's top all rotates and is connected with left horizontal pole 1, right side lifter 8's top all rotates and is connected with right horizontal pole 10, the right-hand member fixedly connected with magnet piece 7 of 1 front side of left horizontal pole, the left end of right horizontal pole 10 front side sets up magnet groove 11, when bumping into, detached phenomenon can appear in magnet piece 7 and magnet groove 11, make left horizontal pole 1 and right horizontal pole 10 rotate around lifter 8 respectively, thereby can avoid stumbling the sportsman.

Be provided with anti-skidding ripple 17 on adjust knob 3's the outer wall, improve frictional force, convenient rotation, one side that lifter 8 is located second cone wheel 15 all is provided with scale mark 16, the height that can adjust the lift by oneself through scale mark 16, slider 19 is kept away from the equal fixed connection in 18 one side of spout on the inner wall at lift hole 12 top, the upper and lower both sides that lifter 8 top is located left horizontal pole 1 all are provided with left locating part 2, spacing effect has been played left horizontal pole 1, the upper and lower both sides that lifter 8 top is located right horizontal pole 10 all are provided with right locating part 9, spacing effect has been played right horizontal pole 10, inter attraction between magnet groove 11 and the magnet piece 7, the bottom threaded connection of lifter 8 is in the inside of rotary column 13, make lifter 8 rise when rotary column 13 rotates.

The working principle is as follows: firstly, the rotating rod 6 is rotated by rotating the adjusting knob 3, so as to drive the second cone wheel 15 to rotate, and further the first cone wheel 14 is rotated, at the moment, the rotating column 13 rotates, because the lifting rod 8 is in threaded connection with the inside of the rotating column 13, so that the lifting rod 8 is lifted when the rotating column 13 rotates, the lifting rod 8 can be prevented from rotating when the lifting rod 8 is lifted by the mutual matching of the sliding groove 18 and the sliding block 19, a certain limiting effect is achieved, the lifting height can be automatically adjusted by the scale mark 16, at the moment, the left cross rod 1 and the right cross rod 10 are respectively sleeved on the lifting rod 8, the left limiting part 2 and the right limiting part 9 are matched to limit the lifting rod, finally, the magnet block 7 is inserted into the magnet groove 11 to be fixed, otherwise, the magnet block is detached and stored, because the magnet block 7 and the magnet groove 11 are mutually matched to fix the left cross rod 1 and the right cross rod 10, when collision happens, the magnet block 7 and the magnet groove 11 can be separated, so that the left cross rod 1 and the right cross rod 10 rotate around the lifting rod 8 respectively, the athlete can be prevented from tripping over, unnecessary injury is avoided, and certain safety is improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a track and field match is with training device that hurdles, includes chassis (5), its characterized in that: the middle part of the top end of the chassis (5) is fixedly connected with a supporting rod (4), the middle part of the supporting rod (4) is provided with a lifting hole (12), the inner wall of the bottom end of the lifting hole (12) is rotatably connected with a rotating column (13), the top end of the rotating column (13) is fixedly connected with a first conical wheel (14), one side of the first conical wheel (14) is engaged and connected with a second conical wheel (15), a rotating rod (6) is fixedly connected in a through hole in the middle part of the second conical wheel (15), one end of the rotating rod (6) far away from the second conical wheel (15) penetrates through the supporting rod (4) and is fixedly connected with an adjusting knob (3), a lifting rod (8) is slidably connected in the through hole in the middle part of the first conical wheel (14), one side of the lifting rod (8) far away from the second conical wheel (15) is provided with a sliding groove (18), and the inner part of the sliding groove (18) is slidably connected with a sliding block (19), the left side the top of lifter (8) all rotates and is connected with left horizontal pole (1), the right side the top of lifter (8) all rotates and is connected with right horizontal pole (10), the right-hand member fixedly connected with magnet piece (7) of left side horizontal pole (1) front side, the left end of right side horizontal pole (10) front side sets up magnet groove (11).

2. The hurdle training device for track and field events as claimed in claim 1, wherein: the outer wall of the adjusting knob (3) is provided with anti-skid corrugations (17).

3. The hurdle training device for track and field events as claimed in claim 1, wherein: and scale marks (16) are arranged on one side of the lifting rod (8) positioned on the second cone-shaped wheel (15).

4. The hurdle training device for track and field events as claimed in claim 1, wherein: one side of the sliding block (19) far away from the sliding groove (18) is fixedly connected to the inner wall of the top of the lifting hole (12).

5. The hurdle training device for track and field events as claimed in claim 1, wherein: the top end of the lifting rod (8) is positioned at the upper side and the lower side of the left cross rod (1) and is provided with a left limiting part (2).

6. The hurdle training device for track and field events as claimed in claim 1, wherein: the top end of the lifting rod (8) is positioned at the upper side and the lower side of the right cross rod (10) and is provided with a right limiting part (9).

7. The hurdle training device for track and field events as claimed in claim 1, wherein: the magnet groove (11) and the magnet block (7) are mutually attracted.

8. The hurdle training device for track and field events as claimed in claim 1, wherein: the bottom end of the lifting rod (8) is in threaded connection with the inside of the rotary column (13).