Warm-up device used before track and field competition
A technology for track and field competitions and bottom plates, applied to sports accessories, gymnastics equipment, etc., can solve problems such as inconvenient maintenance, lack of impact buffer, increased production, and use costs, and achieve the effects of ease of use and improved safety
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Embodiment 1
[0026] Embodiment one, with reference to figure 1 and 2 , a warm-up device before a track and field competition, including a bottom plate 1, two pillars 2 are welded on the top of the bottom plate 1 close to both sides, a top plate 5 is welded on the top of the two pillars 2, and two Us are welded on the corresponding sides of the two pillars 2 Shaped frame 12, the outer wall of two U-shaped frames 12 is provided with leg-pressing beam 4, and leg-pressing beam 4 is embedded with two limit rods 3, and the two ends of two limit rods 3 are respectively connected with two The inner wall of the U-shaped frame 12 is welded, and an inner cavity is provided in the leg press beam 4, and two sets of limit blocks 10 are welded on both sides of the vertical centerline in the leg press beam 4, and two sets of limit blocks 10 run through the horizontal direction in the two sets of limit blocks 10. Two straight rods 9, and two first conical wheels 11 are welded at one end of the two straigh...
Embodiment 2
[0027] Embodiment two, refer to figure 1 and 4 , the designer rotates and installs a round block 18 on the vertical center line in the bottom plate 1, the top center of the round block 18 is welded with a strut 17, and the other end of the strut 17 extends to the outside of the bottom plate 1 and is welded with a load-bearing plate 16 , the bottom of the load-bearing plate 16 is provided with a ring groove, two fixed blocks 23 are welded on the corresponding sides of the two pillars 2, and a sliding rod 24 is welded on the corresponding surface of the two fixed blocks 23, and the outer wall of the sliding rod 24 is slidably sleeved. There are two clamping plates 22, and two clamping blocks 27 are welded on the corresponding sides of the two clamping plates 22, and two-way threaded rods 26 are vertically penetrated in the two fixed blocks 23, and the two-way threaded rods 26 and two The splint 22 is threaded, and one end of the two-way threaded rod 26 extends to the outside of...
Embodiment 3
[0028] Embodiment three, refer to figure 1 , 3 and 5, the designer welds a vertical rod 19 at the bottom of the bottom plate 1, and a ball 21 is embedded in the center of the top of the vertical rod 19, and two tie rods 6 are welded at the bottom of the top plate 5, and the other ends of the two tie rods 6 are welded There are two pull rings 7, two sets of teeth are provided on one side of the two U-shaped frames 12, and the two sets of teeth are engaged with the two gears 20 respectively, and the top of the leg pressing beam 4 is bonded with a rubber pad 8 , the set ball 21 can play a supporting role to the load-bearing plate 16, improve the stability of the device, and can also reduce friction. The user can hold the pull ring 7 with his hand, lift his body upwards, and warm up the athlete's arm. Simultaneously, the draw ring 7 can also prevent the athlete from toppling over when the leg is pressed, so as to improve safety.
[0029]Working principle: when in use, the athlet...
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