Intrusion type pressure damper

A technology of pressure damping and damping holes, applied in the field of pressure dampers, can solve the problems of inconvenient disassembly, safety and hidden dangers of supporting equipment, etc., and achieve the effect of good connection effect, convenient installation and disassembly, and simple structure

Inactive Publication Date: 2011-06-01
陈旭财
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing pressure damper has a complicated structure and is mostly connected to the pipeline through threads, which makes it inconvenient to disassemble; and under frequent instantaneous high-pressure impacts, the thread of the damper is prone to slipping and detaches from the elastic body, resulting in There are potential safety hazards in the supporting equipment; frequent dismantling will also cause damage to the thread, resulting in structural damage to the pressure sensor

Method used

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  • Intrusion type pressure damper
  • Intrusion type pressure damper
  • Intrusion type pressure damper

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Embodiment Construction

[0016] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0017] Referring to Fig. 1, this embodiment includes a structural groove 4 and an inner cavity 6, the structural groove 4 is provided with a damping hole 9, the damping hole 9 communicates with the inner cavity 6, the diameter of the damping hole 9 is smaller than the diameter of the inner cavity 6, and a guide is also provided. Shoulder 1, expansion-type fixed shoulder 3, the expansion-type fixed shoulder 3 is located in the middle of the guide shoulder 1 and the structural groove 4, and the outer edge of the connection end between the expansion-type fixed shoulder 3 and the guide shoulder 1 has a squeeze-in chamfer 2, and the guide shoulder 1. There is an elastic stress groove 5 at the central axis position of the expansion fixed shoulder 3;

[0018] There is a slope where the damping hole 9 communicates with the inner cavity 6, and the angl...

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PUM

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Abstract

The invention provides an intrusion type pressure damper. The pressure damper comprises a structural groove and an inner cavity, wherein the structural groove is provided with a damping hole, a guiding shoulder and an expanding type fixing shoulder; the damping hole is communicated with the inner cavity, and the diameter of the damping hole is less than that of the inner cavity; the expanding type fixing shoulder is positioned between the guiding shoulder and the structural groove; the outer edge of the connecting end of the expanding type fixing shoulder and the guiding shoulder is provided with intrusion chamfers, and the central shaft line of the guiding shoulder and the expanding type fixing shoulder is provided with an elastic stress groove. The pressure damper has a simple structureand is connected with a liquid tube by frictional resistance generated by the expanding structure of the pressure damper, the connecting effect is good, and the assembly and the disassembly are both convenient.

Description

technical field [0001] The invention relates to a pressure damper, in particular to a squeeze-in pressure damper for a pressure sensor. Background technique [0002] In the field of modern automatic control, the application of pressure transmitters is ubiquitous. Among them, the strain gauge pressure sensor, due to the small size of the strain gauge, has a variety of specifications for commercial strain gauges to choose from, and can flexibly design the form of elastic sensitive elements to adapt to various applications and is more widely used. [0003] However, due to the strong pulse action of the fluid, the pressure transmitter is easily damaged, the test data fluctuates greatly, and the stability is not good. The pressure damper in the pressure transmitter is a device used to defend against strong fluid pulses to prolong the service life of the pressure transmitter and keep the pressure in the strain zone from being disturbed by fluid pulses. Using a pressure damper ca...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01L19/00G01L19/06
Inventor 曾广胜陈旭财严伟
Owner 陈旭财
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