Gas supplementing type gas spring
A technology of gas springs and gas supply ports, applied in the direction of springs, springs/shock absorbers, gas shock absorbers, etc., can solve the problems of easy leakage of inflation gas, etc., and achieve the effects of improving service life, ensuring normal use, and increasing pressure
Active Publication Date: 2016-06-15
CHANGZHOU GAS SPRING
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Problems solved by technology
[0004] The technical problem to be solved by the present invention is: in order to solve the technical problem that the expansion gas in the cylinder barrel is easy to leak in the prior art, a gas supplement type gas spring can supplement the gas when the gas spring leaks slightly.
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[0015] The present invention is described in further detail now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.
[0016] Such as Figure 1-4 As shown, it is the best embodiment of the present invention, a kind of supplementary gas type gas spring, including a cylinder 1 and a piston assembly, the piston assembly includes a piston 2 and a piston rod 3, the piston 2 is fixed on one end of the piston rod 3, and the piston rod 3 One end of the cylinder extends into the cylinder 1 and the piston 2 is located inside the cylinder 1. The cylinder 1 is a double-layer structure, including an inner layer 11 and an outer layer 12. The piston 2 is located in the inner layer 11, and between the inner layer 11 and the outer layer 12 An air supply chamber 13 is formed between them, an a...
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The invention relates to the technical field of gas springs, in particular to a gas supplementing type gas spring. The gas supplementing type gas spring comprises a cylinder barrel and a piston assembly. The piston assembly comprises a piston and a piston rod. The piston is fixed to one end of the piston rod, one end of the piston rod stretches into the cylinder barrel, the piston is located in the cylinder barrel, and the cylinder barrel is of a double-layer structure and comprises an inner layer and an outer layer. The piston is located in the inner layer, a gas supplementing chamber is formed between the inner layer and the outer layer, a gas inlet is formed in the outer layer, a gas inlet sealing part is installed on the gas inlet, and a gas supplementing opening is formed in the inner layer and communicated with the gas supplementing chamber and a non-rod chamber of the cylinder barrel. The gas supplementing type gas spring further comprises a gas supplementing opening sealing part. According to the gas supplementing type gas spring, the cylinder barrel is designed to be of the double-layer structure, the gas supplementing chamber is additionally formed, when gas in the non-rod chamber slightly leaks, gas can be supplemented in time, the pressure of the gas spring is increased, normal use of the gas spring is guaranteed, and the service life of the gas spring is prolonged accordingly.
Description
technical field [0001] The invention relates to the technical field of gas springs, in particular to a supplementary gas type gas spring. Background technique [0002] Gas spring is an elastic element with gas and liquid as the working medium. It is mainly composed of a cylinder, a piston in the cylinder, a piston rod and a guide sleeve. Gas and some oil are stored in the cylinder. Since the piston occupies the volume of the cylinder, the piston rod is pressed into the cylinder during work, and the piston moves axially in the cylinder to squeeze the oil in the cavity, while the oil The liquid compresses the gas to make the piston reach the working position. When the external force loaded on the piston rod disappears, the gas recovers and expands, and the expanded gas pushes the oil to reset the piston, and the piston rod is moved out, so that the gas spring realizes compression movement and recovery damping movement. [0003] Compared with ordinary springs, gas springs hav...
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IPC IPC(8): F16F9/02F16F9/32F16F9/43
CPCF16F9/0209F16F9/0281F16F9/3235F16F9/369F16F9/435
Inventor 余卫忠曹文亚岳彩莲施云宵
Owner CHANGZHOU GAS SPRING