CN218392015U

CN218392015U - Safety air cushion for track and field

Info

Publication number: CN218392015U
Application number: CN202221436322.7U
Authority: CN
Inventors: 刘洋
Original assignee: Shandong Jiaotong University
Current assignee: Shandong Jiaotong University
Priority date: 2022-06-10
Filing date: 2022-06-10
Publication date: 2023-01-31
Anticipated expiration: 2032-06-10

Abstract

The utility model relates to a sports apparatus technical field especially relates to a safety air cushion for track and field, including moving mechanism and buffer gear, moving mechanism includes the bottom plate, is fixed in the universal wheel in bottom plate bottom four corners, is fixed in the fixed frame at bottom plate top, is fixed in the connecting block and the screw rod of spiro union in connecting block top of bottom plate both ends outer wall both sides, buffer gear includes first air cushion. The utility model discloses when the screw rod drives the block rubber rebound, ground is kept away from to the block rubber of screw rod bottom, the universal wheel can drive the device and freely remove, when the screw rod drives the block rubber rebound, the block rubber contacts with ground and makes the universal wheel leave ground, can make the device place and fix subaerial, can prevent to lead to the injured condition of sportsman to take place because of the skew, first air cushion spring cushion, foam-rubber cushion and second air cushion constitute buffer structure, can be better cushion sportsman's tenesmic dynamics, protection sportsman's that can be better health safety.

Description

Safety air cushion for track and field

Technical Field

The utility model relates to a sports apparatus technical field especially relates to a safety air cushion for track and field.

Background

Track and field sports is the general term for track games, track games and all-round games. The jumping and throwing items with the height and the distance length for calculating the achievement are called field games, and the items for heel-and-toe walking and running with the time for calculating the achievement are called track games. The track and field competition is composed of track competition, road running, race walking and cross-country running, and also comprises ten totipods composed of partial track competition and track competition items.

In the field and field sports, high-difficulty movements such as high jump, pommel horse, balance beam and the like are often required, and safety problems are easy to occur in the movements, so that the safety air cushion can be placed at a corresponding position to ensure the life safety of an athlete.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a safety air cushion for track and field.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a safety air cushion for track and field, includes moving mechanism and buffer gear, moving mechanism includes the bottom plate, installs in the universal wheel in bottom plate bottom four corners, is fixed in the fixed frame at bottom plate top, is fixed in the connecting block and the screw rod of spiro union in connecting block top of bottom plate both ends outer wall both sides, buffer gear includes first air cushion, places the spring mattress in first air cushion, places the foam-rubber cushion at spring mattress top and places the second air cushion at the foam-rubber cushion top.

Preferably, the top end of the screw rod is fixed with a rotating handle, the bottom end of the screw rod is fixed with a rubber block, and the bottom of the rubber block is provided with anti-skid threads.

Preferably, the outer wall of one end of the bottom plate is provided with a mounting groove, and fixing rods are fixed on two sides of the inner walls of two ends of the mounting groove.

Preferably, a connecting plate is arranged in the mounting groove, and a handle is fixed at one end of the connecting plate.

Preferably, the other end of the connecting plate is rotatably connected with a U-shaped plate, sliding blocks are fixed on the outer walls of the two ends of the U-shaped plate, and the sliding blocks are in sliding fit with the fixing rods.

Preferably, the first air cushion is placed in the fixed frame, and the specification of the peripheral outer wall of the first air cushion close to the bottom is matched with the specification of the peripheral inner wall of the fixed frame.

Preferably, the bottom of the second air cushion is located in the first air cushion, and the specification of the peripheral outer wall of the bottom of the second air cushion is matched with the specification of the peripheral inner wall of the first air cushion.

The beneficial effects of the utility model are that:

1. the device is moved, placed and fixed through the arranged moving mechanism and the universal wheels, the connecting blocks and the screw rods, when the screw rods drive the rubber blocks to move upwards, the rubber blocks at the bottoms of the screw rods are far away from the ground, the universal wheels can drive the device to move freely, when the screw rods drive the rubber blocks to move downwards, the rubber blocks are in contact with the ground and the universal wheels are away from the ground, the device can be placed and fixed on the ground, and the condition that athletes are injured due to deviation can be prevented;

2. through the buffer gear who sets up, constitute buffer structure by first air cushion, spring mattress, foam-rubber cushion and second air cushion, can be better cushion the dynamics that the sportsman fell down, protection sportsman's that can be better health safety.

Drawings

Fig. 1 is a schematic view of the overall structure of a track and field safety air cushion according to the present invention;

fig. 2 is a schematic structural view of a moving mechanism of the track and field safety air cushion provided by the utility model;

FIG. 3 is a schematic cross-sectional view of the inner structure of the bottom plate of the track and field safety air cushion of the present invention;

fig. 4 is a schematic structural view of a cushion mechanism of the track and field safety air cushion according to the present invention.

In the figure: 1. a moving mechanism; 2. a buffer mechanism; 3. a base plate; 301. mounting grooves; 4. a universal wheel; 5. a fixing frame; 6. connecting blocks; 7. a screw; 8. a connecting plate; 9. a handle; 10. a U-shaped plate; 11. a fixing rod; 12. a slider; 13. a first air cushion; 14. a spring pad; 15. a sponge cushion; 16. and a second air cushion.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example 1:

referring to fig. 1-4, the safety air cushion for track and field comprises a moving mechanism 1 and a buffer mechanism 2, wherein the moving mechanism 1 comprises a bottom plate 3, universal wheels 4, a fixed frame 5, connecting blocks 6 and screw rods 7, the four universal wheels 4 are respectively installed at four corners of the bottom plate 3, the fixed frame 5 is fixed at the top of the bottom plate 3, the four connecting blocks 6 are respectively fixed at two sides of the outer walls of two ends of the bottom plate 3, the screw rods 7 are screwed at the tops of the connecting blocks 6, rotating handles are fixed at the top ends of the screw rods 7, rubber blocks are fixed at the bottom ends of the screw rods 7, and anti-skidding threads are formed at the bottoms of the rubber blocks;

through the arranged moving mechanism 1, the universal wheel 4, the connecting block 6 and the screw 7 are used for realizing the moving, placing and fixing of the device, when the screw 7 drives the rubber block to move upwards, the rubber block at the bottom of the screw 7 is far away from the ground, the universal wheel 4 can drive the device to move freely, when the screw 7 drives the rubber block to move downwards, the rubber block is in contact with the ground and the universal wheel 4 is far away from the ground, so that the device can be placed and fixed on the ground, and the condition that an athlete is injured due to deviation can be prevented;

the buffer mechanism 2 comprises a first air cushion 13, a spring cushion 14, a spongy cushion 15 and a second air cushion 16, wherein the first air cushion 13 is placed in the fixed frame 5, the specification of the peripheral outer wall of the first air cushion 13 close to the bottom is matched with the specification of the peripheral inner wall of the fixed frame 5, the spring cushion 14 is placed at the bottom in the first air cushion 13, the spongy cushion 15 is placed at the top of the spring cushion 14, the second air cushion 16 is placed at the top of the spongy cushion 15, the bottom end of the second air cushion 16 is positioned in the first air cushion 13, and the specification of the peripheral outer wall of the bottom end of the second air cushion 16 is matched with the specification of the peripheral inner wall of the first air cushion 13;

through the buffer mechanism 2, the first air cushion 13, the spring cushion 14, the spongy cushion 15 and the second air cushion 16 form a buffer structure, so that the falling force of the athlete can be better buffered, and the body safety of the athlete can be better protected.

Example 2:

the embodiment is optimized on the basis of embodiment 1, and specifically comprises the following steps:

the outer wall of one end of the bottom plate 3 is provided with a mounting groove 301, both sides of the inner walls of both ends of the mounting groove 301 are respectively fixed with a fixed rod 11, a connecting plate 8 is arranged in the mounting groove 301, one end of the connecting plate 8 is fixed with a handle 9, the other end of the connecting plate 8 is rotatably connected with a U-shaped plate 10, both outer walls of both ends of the U-shaped plate 10 are respectively fixed with a sliding block 12, and the sliding block 12 and the fixed rods 11 form sliding fit;

through

slider

12 and 11 sliding fit of dead lever, make U template 10 slide in mounting groove 301, during pulling handle 9, can take connecting plate 8 out from bottom plate 3, when needing to remove the device, pulling handle 9 alright with pull away the device, when not needing to remove, can insert connecting plate 8 and handle 9 and hide in the bottom plate 3.

The working principle is as follows:

when the device is placed, the handle 9 is pulled, the sliding block 12 slides on the fixed rod 11, the handle 9 and the connecting plate 8 are pulled out from the mounting groove 301, when the connecting plate 8 is completely pulled out from the mounting groove 301, the device is pulled to a proper position through the handle 9 to be placed, the four screw rods 7 are sequentially rotated, the screw rods 7 are enabled to spirally move downwards in the connecting block 6, the rubber blocks are enabled to be in contact with the ground, the device is lifted upwards, the universal wheel 4 is enabled to be separated from the ground, the device is supported by the rubber blocks and the screw rods 7 at the moment, the placing stability of the device is guaranteed, then the handle 9 is pushed, and the handle 9 and the connecting plate 8 are inserted into the mounting groove 301 in the bottom plate 3 to be hidden;

when the device is used, the body of a sportsman falls on the second air cushion 16, the second air cushion 16 is stressed to be downwards sunken and transmits the absorbed force to the spongy cushion 15, partial force is absorbed by the spongy cushion 15 and then transmitted to the spring cushion 14, partial force is absorbed by the spring cushion 14 and then transmitted to the second air cushion 16, the partial force is absorbed by the second air cushion 16 and then transmitted to the bottom plate 3, and finally, the bottom plate 3 transmits the force to the ground through the connecting block 6 and the screw 7, so that the sportsman is protected through multiple buffering.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a safety air cushion for track and field, includes moving mechanism (1) and buffer gear (2), its characterized in that, moving mechanism (1) includes bottom plate (3), installs in universal wheel (4) in bottom plate (3) bottom four corners, is fixed in fixed frame (5) at bottom plate (3) top, is fixed in connecting block (6) and the screw rod (7) of spiro union in connecting block (6) top of bottom plate (3) both ends outer wall both sides, buffer gear (2) include first air cushion (13), place spring pad (14) in first air cushion (13), place in spongy cushion (15) at spring pad (14) top and place in second air cushion (16) at spongy cushion (15) top.

2. The track and field safety cushion as claimed in claim 1, wherein a rotating handle is fixed at the top end of the screw rod (7), a rubber block is fixed at the bottom end of the screw rod (7), and anti-skid threads are formed at the bottom of the rubber block.

3. The air cushion for track and field as claimed in claim 1, wherein the outer wall of one end of the bottom plate (3) is provided with a mounting groove (301), and both sides of the inner wall of both ends of the mounting groove (301) are fixed with fixing rods (11).

4. The air cushion for track and field according to claim 3, wherein a connecting plate (8) is arranged in the mounting groove (301), and a handle (9) is fixed at one end of the connecting plate (8).

5. The track and field safety air cushion as claimed in claim 4, wherein the other end of the connecting plate (8) is rotatably connected with a U-shaped plate (10), and the outer walls of the two ends of the U-shaped plate (10) are respectively fixed with a sliding block (12), and the sliding blocks (12) are in sliding fit with the fixed rods (11).

6. An air cushion for track and field according to claim 1, characterized in that the first air cushion (13) is placed in the fixed frame (5), and the peripheral outer wall of the first air cushion (13) near the bottom is matched with the peripheral inner wall of the fixed frame (5).

7. An air cushion for track and field use as claimed in claim 1, wherein the bottom end of said second air cushion (16) is located inside said first air cushion (13), and the peripheral outer wall of the bottom end of said second air cushion (16) is adapted to the peripheral inner wall of said first air cushion (13).