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A multifunctional fitness chair and backrest technology, applied in the field of fitness equipment, can solve problems such as single function, high-grade configuration, complex structure, etc., and achieve the effect of meeting fitness needs, convenient assembly and disassembly, and simple structure
Inactive Publication Date: 2014-03-26
LIUZHOU VOCATIONAL & TECHN COLLEGE
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Summary
Abstract
Description
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Problems solved by technology
[0002] Various fitness equipments currently on the market have the following deficiencies: either have a single function, or are equipped with high-end equipment, complex in structure, expensive, and most of them need to rely on electric
Method used
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Embodiment 1
[0020] as attached figure 1 , a multi-functional fitness chair, comprising a bracket 8, a back frame 4 and a backrest 3, the backrest is hinged on the backrest through the rotating shaft I1 at the upper end of the backrest, and the lower end of the backrest is hinged on the bracket through the rotating shaft II17, so The multifunctional fitness chair also includes a pedal wheel 9, which is installed on the pedal bracket 12 at the front of the bracket, and the pedal wheel is rotatably connected with the backrest link 7 at the bottom of the backrest frame through a swing mechanism. Pedal 10 is installed on the pedal wheel;
[0021] The swing mechanism includes a connecting rod I13, a connecting rod II15 and a support rod 14. One end of the supporting rod is hinged on the positioning rod 81 at the lower part of the bracket, and the other end is hinged to one end of the connecting rod I and the connecting rod II. The other end is hinged with the backrest connecting rod, and the ...
Embodiment 2
[0026] as attached figure 2 , a multifunctional fitness chair, its basic structure is the same as that of Embodiment 1, the difference is that the connecting rod II 15 is removed, and it is only used for lower limb exercise at this time, because the connecting rod II is removed, the backrest Will not swing.
Embodiment 3
[0028] as attached image 3 , a kind of multifunctional fitness chair, its basic structure is identical with embodiment two, difference is that backrest frame 4 and backrest are launched and chair form a flat bed, can carry out sit-ups activity now.
[0029] working principle
[0030] a. When the abdominal muscles of the lower extremities are exercised, if figure 1 Shown:
[0031] Stepping on the pedal 10 exerts force, driving the pedal wheel 9 to rotate, thereby driving the connecting rod Ⅰ13, the support rod 14 and the connecting rod Ⅱ15 to rotate, and the connecting rod Ⅱ15 drives the backrest connecting rod 7 and the backrest 3 to swing back and forth, and the pedaling force can be adjusted by The frictional force of screw 11 and pedal wheel 9 is controlled, is suitable for the needs of different groups of people, reaches lower limbs and upper limbs, and abdominal muscle movement is carried out simultaneously.
[0032] b. When simply doing lower limb exercises, such ...
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Abstract
A multifunctional body-building chair comprises a support, a backrest frame, a backrest and a pedal wheel, wherein the backrest is hinged to the backrest frame through a rotary shaft I at the upper end of the backrest frame, the lower end of the backrest frame is hinged to the support through a rotary shaft II, the pedal wheel is installed on a pedal support in the front of the support and are in rotary connection with a backrest connecting rod on the lower portion of the backrest frame through a swinging mechanism, the swinging mechanism comprises a connecting rod I, a connecting rod II and a supporting rod, one end of the supporting rod is hinged to a positioning rod on the lower portion of the support, the other end of the supporting rod is hinged to one end of the connecting rod I and one end of the connecting rod II, the other end of the connecting rod II is hinged to the backrest connecting rod, and the front end of the connecting rod I is hinged to a pin shaft of the pedal wheel. When the feet step on pedals to drive the pedal wheel to rotate, the pedal wheel drives the backrest connecting rod and the backrest to swing forwards and backwards around the rotary shaft II through the connecting rod I, the connecting rod II and the supporting rod. The body-building chain is simple in structure, scientific in design, convenient to assemble and disassemble, low in cost, economical, practical, capable of being used as a common chair and also being used as a body-building instrument and capable of meeting body-building requirements of different people groups.
Description
technical field [0001] The invention relates to a fitness equipment, in particular to a multifunctional fitness chair. Background technique [0002] Various fitness equipments on the market have the following deficiencies: either have a single function, or have a high-grade configuration, complex structure, high price, and most of them need to rely on electric power. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a multifunctional fitness chair with a simple structure to overcome the above-mentioned deficiencies in the prior art. [0004] The technical solution adopted by the present invention is: a multifunctional fitness chair, including a bracket, a backrest frame and a backrest, the backrest is hinged on the backrest frame through the rotating shaft I at the upper end of the backrest frame, and the lower end of the backrest frame is hinged on the backrest frame through the rotating shaft II On the bracket, ...
Claims
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Application Information
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