Linear damping type constant-rigidity vibration isolator for gas

A damping and constant stiffness technology, applied in the direction of gas shock absorbers, shock absorbers, shock absorbers, etc., can solve the problems of constant stiffness and increased damping of electronic equipment, and achieve simple and reasonable structure and constant stiffness Effect

Active Publication Date: 2019-01-18
CHANGZHOU UNIV
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AI Technical Summary

Problems solved by technology

[0002] Various requirements for precision electronic instruments As the precision requirements of the instruments are getting higher and higher, although the vibration isolators widely used in the prior art have both stiffness and damping characteristics, the stiffness and damping are usually provided by general-purpose structural elements , that is, it is difficult for them to meet the requirements of constant stiffness and increased damping of electronic equipment during transportation

Method used

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  • Linear damping type constant-rigidity vibration isolator for gas

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Embodiment Construction

[0012] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0013] see figure 1 As shown, a gas linear damping constant stiffness vibration isolator of the present invention includes a housing 1, end caps A2 and B3 installed at both ends of the housing 1, and a composite piston module installed inside the housing.

[0014] see figure 1 As shown, the composite piston module includes a cylinder body 4 , a freely slidable piston 6 mounted inside the cylinder body 4 , a piston rod 5 mounted on the piston 6 , and a baffle 7 mounted on the piston rod 5 .

[0015] see figure 1 As shown, the other end of the piston rod 5 extends to the outside of the end cover B3 through the linear bearing 9 installed on the end cover B3; Metal coil spring 8. Further, the metal coil spring 8 is an ordinary spring whose load-displacement curve has a softening characteristic.

[0016] see figure 1 As shown, the cy...

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Abstract

The invention discloses a linear damping type constant-rigidity vibration isolator for gas and belongs to the field of isolators. The isolator includes a housing, an end cover A, an end cover B and acombined piston module, wherein the end covers A and B are installed at the two ends of the housing, and the combined piston module is installed in the housing; the combined piston module includes a cylinder body, a piston capable of sliding freely in the cylinder body, a piston rod installed on the piston and a baffle installed on the piston rod; one end of the piston rod penetrates through a liner bearing on the end cover B and extends to the outer side of the end cover B. The vibration isolator also includes metal spiral springs which are installed at the two ends of the piston rod and connected with the baffle and the end cover B respectively; the cylinder body is a thin-wall drum with two porous ends, one end of the cylinder body is fixedly installed on the end cover A, and the otherend of the cylinder body is installed in the housing; a chamber, between the piston and the end cover A, of the interior of the cylinder body is filled with compressible gas. The linear damping type constant-rigidity vibration isolator for gas can increase damping.

Description

technical field [0001] The invention mainly relates to the field of vibration isolators, in particular to a gas linear damping type constant stiffness vibration isolator. Background technique [0002] Various requirements for precision electronic instruments As the precision requirements of instruments are getting higher and higher, although the vibration isolators widely used in the prior art have both stiffness and damping characteristics, the stiffness and damping are usually provided by general-purpose structural elements , that is, it is difficult for them to meet the requirements of constant stiffness and increased damping of electronic equipment during transportation. Therefore, it is of great significance to involve a vibration isolator with constant stiffness and linear transformation of damping. Contents of the invention [0003] The technical problem to be solved by the present invention is: Aiming at the technical problems existing in the prior art, the presen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16F9/02F16F9/50
CPCF16F9/0209F16F9/50
Inventor 班书昊李晓艳蒋学东席仁强何云松谭邹卿徐然
Owner CHANGZHOU UNIV
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