CN113144502A

CN113144502A - Optical synchronization standing long jump testing device

Info

Publication number: CN113144502A
Application number: CN202110447023.7A
Authority: CN
Inventors: 李伟
Original assignee: Yichun University
Current assignee: Yichun University
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2021-07-23

Abstract

The invention belongs to the technical field of sports equipment, in particular to a photosynchronous vertical long jump testing device which comprises a floor, wherein a jumping board is arranged inside the floor, sliding grooves are formed in the bottoms of the floor and the jumping board, a first folding rod is arranged inside the floor and the jumping board, the first folding rod is rotatably connected with a second folding rod through a rotating shaft, the first folding rod and the second folding rod are rotatably connected with the bottom end of the floor through a main shaft, the bottom end of the second folding rod is connected with a sliding block, the sliding block is positioned inside the sliding grooves, the sliding grooves are slidably connected with the sliding block, infrared sensors are fixed on two sides of the top end of the floor, expansion blocks are arranged on two ends of a nail body, an extrusion groove is formed in the lower portion of the nail body, a limiting groove is formed in the upper portion of the nail body, an expansion nail is arranged inside the nail body, and a knob is fixed on the top end of the expansion nail, so that the existing long jump testing device is large in volume, is inconvenient to carry.

Description

Optical synchronization standing long jump testing device

Technical Field

The invention belongs to the technical field of sports equipment, and particularly relates to a light synchronization standing long jump testing device.

Background

Standing long jump is a traditional track and field game, and 1912 ago, it was an Olympic game. The standing long jump is different from the ordinary long jump in that the standing long jump requires that the athlete does not use run-up, but take off from a standing posture, and the athlete just lifts off the ground once in the process of jumping, otherwise the athlete is regarded as foul. The traditional standing long jump mostly adopts a sand pool field, both the establishment and the later maintenance are very troublesome, meanwhile, the traditional standing long jump result mostly adopts manual measurement, the measured result has larger error, the existing long jump testing device has larger volume and is inconvenient to carry, and the existing long jump testing device is directly placed on the ground, is easy to deviate in use, leads to the slipping of personnel and causes safety problems; in view of the problems exposed during the use of the existing sports equipment, there is a need for improvement and optimization of the structure of the sports equipment.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides a photosynchronous standing long jump testing device which has the characteristics of being foldable, convenient to carry and firm and fixed with the land.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a synchronous long jump testing arrangement that sets up of light, is including the floor that falls, the internally mounted on floor that falls has the springboard, the spout has been seted up to the bottom of the floor that falls and the springboard, the internally mounted on floor that falls and the springboard has first folding rod, first folding rod rotates through pivot and second folding rod to be connected, first folding rod and second folding rod rotate with the bottom of falling the floor through the main shaft and are connected, the bottom of second folding rod is connected with the slider, the slider is located the inside of spout, and spout and slider sliding connection, the top both sides on floor that fall are fixed with infrared inductor.

As a preferred technical scheme of the optical synchronization standing long jump testing device, two nail bodies are arranged inside one end, far away from the jump board, of the landing board, and two nail bodies are arranged inside one end, far away from the landing board, of the jump board.

According to the optimal technical scheme of the optical synchronization standing long jump testing device, expansion blocks are arranged at two ends of the nail body, an extrusion groove is formed in the lower portion of the inside of the nail body, a limiting groove is formed in the upper portion of the inside of the nail body, and an expansion nail is arranged in the nail body.

As a preferred technical scheme of the optical synchronization standing long jump testing device, an expansion nail is connected to the inner portion of a nail body in a threaded mode, and a knob is fixed to the top end of the expansion nail.

As the preferable technical scheme of the optical synchronization standing long jump testing device, the inner part of the floor is in sliding connection with the take-off board through the groove.

As a preferred technical scheme of the optical synchronization standing long jump testing device, anti-slip pads are fixed on the bottom and two sides of the bottom of one end, far away from the springboard, of the floor board, and anti-slip pads are fixed on the bottom of one end, far away from the floor board, of the springboard.

As the preferable technical scheme of the optical synchronization standing long jump testing device, rubber pads are fixed on the top surfaces of the floor and the take-off board.

Compared with the prior art, the invention has the beneficial effects that: through collapsible take-up board and the floor board of accomodating of installation, be of value to the volume that reduces testing arrangement, it is great to have solved present long jump testing arrangement volume, the inconvenient problem of carrying, dismantles the ground nail of installation through simple to operate, is of value to firmly fixing testing arrangement on the ground, has solved testing arrangement in use and has produced the skew easily, leads to personnel to slip, causes personnel injured's safety problem.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural diagram of an optical synchronization standing long jump testing apparatus according to the present invention;

FIG. 2 is a schematic structural view of a long jump testing apparatus according to the present invention in a folded state;

FIG. 3 is a schematic bottom structure diagram of the long jump testing apparatus of the present invention;

FIG. 4 is a schematic diagram illustrating an internal structure of the long jump testing apparatus according to the present invention in an unfolded state;

FIG. 5 is a schematic view of the folded state of the long jump testing apparatus according to the present invention;

FIG. 6 is a schematic view of the internal structure of a ground nail of the long jump testing apparatus according to the present invention;

in the figure: 1. falling to the floor; 2. a springboard; 3. a chute; 4. a first folding bar; 5. a second folding bar; 6. a main shaft; 7. a slider; 8. a nail body; 9. an expansion block; 10. extruding a groove; 11. a limiting groove; 12. expansion nails; 13. a knob; 14. an infrared sensor; 15. a non-slip mat.

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.

Examples

Referring to fig. 1-6, the present invention provides the following technical solutions: the utility model provides a synchronous long jump testing arrangement that stands of light, including the floor 1 that falls, the internally mounted on floor 1 has springboard 2, spout 3 has been seted up to floor 1 and springboard 2's bottom, floor 1 and springboard 2's internally mounted have first folding rod 4, first folding rod 4 rotates with second folding rod 5 through the pivot to be connected, first folding rod 4 and second folding rod 5 rotate with the bottom of floor 1 through main shaft 6 to be connected, the bottom of second folding rod 5 is connected with slider 7, slider 7 is located the inside of spout 3, and spout 3 and slider 7 sliding connection, the top both sides of floor 1 are fixed with infrared inductor 14, in this embodiment, through the crisscross rotation of every first folding rod 4 of group and second folding rod 5 self and folding rotation between, drive the inside slip of springboard 2 at floor 1.

Specifically, the one end internally mounted that the springboard 2 was kept away from to the floor board 1 has two nail bodies 8, and the one end internally mounted that the springboard 2 was kept away from the floor board 1 has two nail bodies 8, through all setting up nail body 8 respectively at four angles in this embodiment, when using in soil or sand ground, firmly fix the floor board 1 and the springboard 2 on the soil, prevent to produce the skew in the use, lead to personnel to be injured.

Specifically, inflation piece 9 has been seted up at the both ends of the nail body 8, extrusion groove 10 has been seted up to the inside below of the nail body 8, spacing groove 11 has been seted up to the inside top of the nail body 8, the internally mounted of the nail body 8 has inflation nail 12, through rotating inflation nail 12 downstream in this embodiment, when inflation nail 12 inserts to extrusion groove 10's inside, inflation nail 12 extrudees the surface of protruding nail body 8 with the inflation piece 9 of extrusion groove 10 both sides, can increase the stability behind the underground of the nail body 8 nail income through inflation piece 9, make nail body 8 be difficult for pulling out, increase the result of use.

Specifically, the inside threaded connection of the nail body 8 has the inflation nail 12, and the top of inflation nail 12 is fixed with knob 13, drives inflation nail 12 through rotating knob 13 in this embodiment, and the nail body 8 is dismantled in easy to assemble, makes the nail body 8 repetitious usage.

Specifically, the recess is passed through to the inside on

floor

1 and 2 sliding connection of springboard, and the inside to floor 1 is accomodate to springboard 2 to the convenience in this embodiment, reduces the volume, conveniently carries.

Specifically, the bottom and the bottom both sides that the board 1 that falls away from 2 one end of jump board are fixed with slipmat 15, and the one end bottom that the board 2 that falls away from 1 that falls is fixed with slipmat 15, when using on ground or plastic playground in this embodiment, through the friction of slipmat 15 increase with ground, prevent to produce the skew in the use, lead to personnel's injury.

Specifically, the top surface mounting of landing panel 1 and jump board 2 has the rubber pad, and the rubber pad has antiskid in this embodiment, the characteristic of stand wear and tear, and the resilience is good, and tear strength is high, has also improved the durability when the protection personal safety.

The working principle and the using process of the invention are as follows: firstly, stimulate the one end of the jump board 2 during the use, through crisscross rotation of every group first folding rod 4 and second folding rod 5 self and folding rotation between, drive the inside slip of jump board 2 at the floor 1, with the inside pull play of jump board 2 from the floor 1, when using in the soil or sand ground, it drives inflation nail 12 to rotate knob 13, through rotating inflation nail 12 downstream, when inflation nail 12 inserts the inside to extrusion groove 10, inflation nail 12 extrudees the surface of protruding nail body 8 with the inflation piece 9 extrusion protrusion of extrusion groove 10 both sides, can increase the stability after the nail body 8 is nailed into the underground through inflation piece 9, make nail body 8 be difficult for pulling out, firmly fix floor 1 and jump board 2 on the soil, prevent to produce the skew in the use, lead to personnel's injury.

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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a synchronous long jump testing arrangement that sets up of light, includes floor (1), its characterized in that: the internally mounted who falls floor (1) has springboard (2), spout (3) have been seted up to the bottom that falls floor (1) and springboard (2), the internally mounted who falls floor (1) and springboard (2) has first folding rod (4), first folding rod (4) rotate with second folding rod (5) through the pivot and are connected, first folding rod (4) and second folding rod (5) rotate with the bottom that falls floor (1) through main shaft (6) and are connected, the bottom of second folding rod (5) is connected with slider (7), slider (7) are located the inside of spout (3), and spout (3) and slider (7) sliding connection, the top both sides that fall floor (1) are fixed with infrared inductor (14).

2. The optical synchronization standing long jump testing device according to claim 1, wherein: the floor board (1) that falls keeps away from the one end internally mounted of springboard (2) has two nail bodies (8), the one end internally mounted that the floor board (1) was kept away from in springboard (2) has two nail bodies (8).

3. An optical synchronization standing long jump testing device according to claim 2, characterized in that: expansion blocks (9) are arranged at two ends of the nail body (8), an extrusion groove (10) is arranged below the inside of the nail body (8), a limiting groove (11) is arranged above the inside of the nail body (8), and an expansion nail (12) is arranged inside the nail body (8).

4. An optical synchronization standing long jump testing device according to claim 2, characterized in that: the internal thread of the nail body (8) is connected with an expansion nail (12), and the top end of the expansion nail (12) is fixed with a knob (13).

5. The optical synchronization standing long jump testing device according to claim 1, wherein: the interior of the floor (1) is connected with the springboard (2) in a sliding way through a groove.

6. The optical synchronization standing long jump testing device according to claim 1, wherein: the anti-skidding floor is characterized in that anti-skidding pads (15) are fixed to the bottom and two sides of the bottom of one end, away from the springboard (2), of the floor falling board (1), and the anti-skidding pads (15) are fixed to the bottom of one end, away from the floor falling board (1), of the springboard (2).

7. The optical synchronization standing long jump testing device according to claim 1, wherein: rubber pads are fixed on the top surfaces of the floor (1) and the springboard (2).