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Damping device

A damping device and damping technology, applied in the field of damping devices, can solve problems such as inaccurate indications of anti-seismic pressure gauges, and achieve the effects of simple and reasonable structure, easy maintenance, and good shock resistance

Inactive Publication Date: 2009-09-16
周化章
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AI Technical Summary

Problems solved by technology

[0005] The invention solves the technical problem of inaccurate indication of the anti-seismic pressure gauge in the prior art due to the characteristics of thermal expansion and contraction of the damping fluid, and provides a new type of damping with ingenious conception, simple and reasonable structure, good anti-seismic performance and easy maintenance device

Method used

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Embodiment Construction

[0019] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0020] Such as figure 1 , figure 2 , image 3 with Figure 4 As shown, a damping device includes an upper gland 1, a lower gland 3, a flat film 13, a damping member 12, a damping screw 10, and a damping liquid 9. The middle parts of the upper gland 1 and the lower gland 3 are hollow, The upper surface of the damping member 12 is provided with a flat film 13, and the lower surface of the damping member 12 is provided with a corrugated film 4, and a cavity 8 is formed between the damping member 12 and the flat film 13, and between the damping member 12 and the corrugated film 3 A cavity 5 is formed, the cavity 8 and the cavity 5 are filled with a damping liquid 9 , a damping screw 10 is located in the middle of the damping element 12 , and a capillary 11 is formed between the damping screw 10 and the damping element 12 .

[0021] Preferably, ...

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Abstract

The invention relates to a damping device for an earthquake resistance pressure gauge. The damping devices in the prior art have the technical problem of misregister of the earthquake-resistance pressure gauge due to the characteristic of expansion with heat and contraction with cold of damping fluid. .The device comprises an upper gland and a lower gland, a flat membrane, a damping piece, a damping screw and damping fluid, wherein, the middle parts of the upper gland and the lower gland are both hollow, an upper surface of the damping piece is provided with a flat membrane, a lower surface of the damping piece is provided with a ripple membrane, a chamber is formed between the damping piece and the flat membrane, another chamber is also formed between the damping piece and the ripple membrane, the two chambers are both full of the damping fluid, the middle part of the damping piece is provided with the damping screw, and a capillary tube is formed between the damping screw and the damping piece. The invention solves the technical problem in the prior art, and provides a novel damping device with smart design, simple and reasonable structure, good earthquake resistance and convenient maintenance.

Description

technical field [0001] The invention relates to a damping device, in particular to a damping device used on an anti-seismic pressure gauge. Background technique [0002] At present, all domestic oil fields or chemical industries use anti-seismic pressure gauges, but the elastic parts are different, and the damping structure is also different. [0003] Ordinary spring tube type anti-seismic pressure gauge adopts spring tube as the elastic element, and the measured medium enters the spring tube directly through the damping screw. For the measured medium with high viscosity, it is easy to cause the damping screw to be blocked, making the instrument unusable and difficult to operate. repair. [0004] The existing anti-seismic pressure gauge adopts the fork spring as the elastic element, and the measured medium cannot directly enter the inside of the instrument. The damping device in this type of anti-seismic pressure gauge is a sealing assembly containing a damping body. The d...

Claims

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Application Information

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IPC IPC(8): G01L19/04
Inventor 周化章周济浩
Owner 周化章
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