Pulse pressure regulating air cylinder

Abstract

The invention discloses a pulse pressure regulating air cylinder comprising a cylinder body, a front cover, a rear cover, a piston and a piston rod. The front cover and the rear cover are fixedly arranged at the two ends of the cylinder body correspondingly. A first chamber is formed in the cylinder body. The piston is movably arranged in the first chamber and fixedly connected with one end of the piston rod. The other end of the piston rod penetrates through and stretches out of the front cover. A reset spring is arranged in the first chamber. One end of the reset spring abuts against the piston, and the other end of the reset spring abuts against the front cover. A second chamber is formed in the rear cover. The first chamber and the second chamber are separated through the piston. An air inlet is further formed in the rear cover and communicates with the second chamber through an air inlet channel. A pressure regulating screw is further arranged on the rear cover. The pressure regulating screw and the air inlet channel are matched to form a throttling opening. A pressure releasing opening communicates with the first chamber is formed on the side wall of the cylinder body. The pulse pressure regulating air cylinder is simple and reasonable in structure and can replace a traditional motor eccentric wheel to produce vibration, the cost is reduced, and the vibration effect is good.

Description

technical field [0001] The invention relates to the technical field of pneumatic components, in particular to a pulse pressure regulating cylinder. Background technique [0002] Cylinder is a kind of pneumatic component widely used in modern industry. There are many kinds of it, and its working principle is roughly the same. Compressed air guides the piston to reciprocate in the cylinder to generate mechanical energy; in the field of massage equipment, it usually requires the vibration of the equipment itself , vibration to play the effect of massage, but the existing massage equipment is to use the motor to drive the eccentric wheel to generate vibration, and each massage equipment needs to be equipped with a motor, so that the cost is high. Contents of the invention [0003] Aiming at the deficiencies and defects of the prior art, the present invention provides a pulse pressure regulating cylinder, which has a simple and reasonable structure. The pulse pressure regulatin...

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Problems solved by technology

[0002] Cylinder is a kind of pneumatic component widely used in modern industry. There are many kinds of it, and its working principle is roughly the same. Compressed air guides the piston to reciprocate in the cylinder to generate mechanical energy; in the field of massage equipment, it usually requires the vibration of the equipment itself , vibration to achieve the effect of massage, but the existing massage equipment uses the motor to drive the eccentric wheel to generate vibration, and each massage equipment needs to be equipped with a motor, which makes the cost higher

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