A height-adjustable sit-up board for student sports competitions
An adjustable and height-adjustable technology, applied in gymnastics equipment, sports accessories, etc., can solve the problems of insufficient flexibility and the inability to adjust the inclination and height of sit-up boards
Active Publication Date: 2016-06-01
李江涛
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- Description
- Claims
- Application Information
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Problems solved by technology
The sit-up board does not have the function of adjusting the inclination and height, and the flexibility is not enough
Method used
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[0016] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.
[0017] Such as figure 1 As shown, a height-adjustable sit-up board for student sports competitions includes a sit-up board body 1, the sit-up board body 1 is curved, and the upper end of the sit-up board body 1 is connected with a support tube 2 for supporting The tube 2 is connected with the sit-up board body 1 through the connecting tube 8, and the both sides of the connecting tube 8 are provided with back cushions 11, and the back cushions 11 are connected by connecting bars 13, and the connecting bars 13 are welded on the connecting tube 8 to support the end of the tube 2 Both sides are provided with hook pads 12, and the outer peripheral sur...
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The invention discloses a height-adjustable sit-up board for student sport competition. The height-adjustable sit-up board for the student sport competition comprises a sit-up board body, wherein a supporting tube is connected with the upper end of the sit-up board body; the supporting tube is connected with the sit-up board body through a connecting tube; back cushions are arranged on the two sides of the connecting tube; the back cushions are connected through a connecting strip; the connecting strip is welded on the connecting tube; hooking cushions are arranged on the two sides of the end parts of the supporting tube; a plurality of gear holes are formed in the outer peripheral surface of the lower end of the supporting tube; the gear holes are formed at equal intervals; a height adjusting tube is mounted at the lower end of the supporting tube in a sleeving manner; a plurality of insertion holes are formed in the outer peripheral surface of the height adjusting tube; the insertion holes are butted with the gear holes; the height adjusting tube is in plug-in connection with the supporting tube through plug pins; the plug pins are plugged into the gear holes and the insertion holes; the height adjusting tube is arranged on a supporting strip. The height-adjustable sit-up board for the student sport competition is convenient for adjusting the inclination and the height of the sit-up board body, and is applicable to users different in heights.
Description
technical field [0001] The invention relates to a sit-up board, in particular to a height-adjustable sit-up board for student sports competitions. Background technique [0002] In the prior art, such as patent ZL200580026476.1 discloses a sit-up board, which includes: a first board, including: at least one elastic member, which is located on the lower surface of the first board; at least one extension line, which is coupled to Stand to one end of the elastic member, and extend the elastic member; and a plurality of guide units, which are located on the lower surface of the first plate, to pull the extension line to the upper surface of the first plate along the guide unit; the second plate, which The table is coupled to the first board in a downwardly rotating manner via the hinge unit, and the footrest is detachably installed on the second board and the cable, which passes through the ends of the first and second boards, and in a predetermined The angle supports the first ...
Claims
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IPC IPC(8): A63B23/02
Inventor 王晓飞
Owner 李江涛