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A protection device and shaft installation technology, which is applied in gymnastics equipment, muscle training equipment, sports accessories, etc., can solve the problems of the barbell hitting the user and endangering the user's physical safety, and achieve the effect of high safety and preventing personal injury
Active Publication Date: 2022-05-20
LINYI UNIVERSITY
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[0003] At present, during the bench press exercise of the user, when the user cannot lift the barbell due to lack of physical strength, the barbell will hit the user, endangering the user's physical safety
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[0033] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in combination with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are exemplary only, and are not intended to limit the scope of the present invention. Also, in the following description, descriptions of well-known structures and techniques are omitted to avoid unnecessarily obscuring the concept of the present invention.
[0034] Such as Figure 1-6 As shown, a kind of body-building protection device for bench press proposed by the present invention includes a lying frame, a barbell assembly, a connecting sleeve 8, a connecting rope 9, a guide wheel 10, a rope winding wheel 12, a connecting ring 13, a coil spring 14, a first Installation shaft 15, driving gear 16, driven gear 17, second installation shaft 18, rotating disk 19, limit table ...
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Abstract
A bench press protection device for fitness, comprising a lying frame, a barbell assembly, a connecting sleeve, a connecting rope, a guide wheel, a rope winding wheel, a connecting ring, a coil spring, a first installation shaft, a driving gear, a driven gear, a second installation Shaft, rotating disk, limit table, sliding sleeve, pressure sensor, installation cover, fixed rod, support frame and central controller; the barbell assembly is slid and arranged on the fixed rod along the vertical direction, and the connecting sleeve is rotationally connected with the barbell assembly. The rope goes around the guide wheel and the two ends are respectively connected with the connecting sleeve and the rope winding wheel. A plurality of storage grooves are evenly arranged in a circular shape on the rotating disk, and a limit assembly is arranged at the storage groove. The limit assembly includes a rotating shaft, a limit plate and The first elastic member and the guide wheel are rotatably arranged on the top of the support frame, and the support frame is provided with a pushing mechanism for driving the translation of the lying frame. The invention can prevent the barbell assembly from hitting the user when the user's physical strength is exhausted, prevent the user from causing personal injury, and has high safety.
Description
technical field [0001] The invention relates to the technical field of fitness equipment, in particular to a bench press protection device for fitness. Background technique [0002] The bench press is one of the main exercises for building strong chest muscles. The bench press is a compound movement that involves the movement of multiple joints, including the shoulder and elbow joints. The pectoral muscles only control the movement of the shoulder joint, pulling the upper arms toward the chest from the sides. The movement of the elbow joint is done by the triceps, which changes the arm from bending to straightening. [0003] At present, when the user is unable to lift the barbell due to lack of physical strength during the bench press exercise of the user, the barbell will hit the user, endangering the user's physical safety. Contents of the invention [0004] (1) Purpose of the invention [0005] In order to solve the technical problems in the background technology, t...
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