A sports stretcher
A stretching machine and sports technology, applied in the directions of gymnastics equipment, sports accessories, etc., can solve the problems of reducing the efficiency of stretching and the inconvenience of athletes in stretching, and achieve the effect of improving efficiency.
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Embodiment 1
[0019] A kind of sports stretching device, such as Figure 1-2 As shown, it includes a base 1, a rotating shaft 2, a bearing 3, a turntable 4, a seat cushion 5, a torsion spring 6, a first support plate 7, a second support plate 8, a blocking device 9, a first slide bar 10, and a first spring 11. , the first sliding sleeve 12, the handle 13, the hollow box 14, the first gear 16, the winding wheel 17, the stay cord 18, the second gear 20, the leaf spring 21 and the rack 22, the middle part of the turntable 4 is embedded with a bearing 3, The rotating shaft 2 is installed in the bearing 3, and the rotating shaft 2 is connected with the bearing 3 through an interference connection. The bottom end of the rotating shaft 2 is fixed with a supporting base 1, and the top of the rotating shaft 2 is fixed with a cushion 5, and the rotating shaft 2 is connected by welding. The torsion spring 6 is wound on the rotating shaft 2, the top of the torsion spring 6 is fixedly connected to the b...
Embodiment 2
[0021] A kind of sports stretching device, such as Figure 1-2 As shown, it includes a base 1, a rotating shaft 2, a bearing 3, a turntable 4, a seat cushion 5, a torsion spring 6, a first support plate 7, a second support plate 8, a blocking device 9, a first slide bar 10, and a first spring 11. , the first sliding sleeve 12, the handle 13, the hollow box 14, the first gear 16, the winding wheel 17, the stay cord 18, the second gear 20, the leaf spring 21 and the rack 22, the middle part of the turntable 4 is embedded with a bearing 3, The rotating shaft 2 is installed in the bearing 3, the bottom end of the rotating shaft 2 is fixedly connected with a supporting base 1, the top of the rotating shaft 2 is fixed with a cushion 5, the torsion spring 6 is wound on the rotating shaft 2, and the top of the torsion spring 6 is connected to the seat cushion 5. The bottom is fixed, the bottom end of the torsion spring 6 is fixedly connected with the turntable 4, the first support pla...
Embodiment 3
[0024] A kind of sports stretching device, such as Figure 1-4As shown, it includes a base 1, a rotating shaft 2, a bearing 3, a turntable 4, a seat cushion 5, a torsion spring 6, a first support plate 7, a second support plate 8, a blocking device 9, a first slide bar 10, and a first spring 11. , the first sliding sleeve 12, the handle 13, the hollow box 14, the first gear 16, the winding wheel 17, the stay cord 18, the second gear 20, the leaf spring 21 and the rack 22, the middle part of the turntable 4 is embedded with a bearing 3, The rotating shaft 2 is installed in the bearing 3, the bottom end of the rotating shaft 2 is fixedly connected with a supporting base 1, the top of the rotating shaft 2 is fixed with a cushion 5, the torsion spring 6 is wound on the rotating shaft 2, and the top of the torsion spring 6 is connected to the seat cushion 5. The bottom is fixed, the bottom end of the torsion spring 6 is fixedly connected with the turntable 4, the first support plat...
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