A straight travel bracket

A straight-travel, straight-travel technology, applied in the field of valve connecting brackets, can solve the problems of ugly appearance, high cost, cumbersome adjustment, etc., and achieve the effect of simple overall structure, improved service life, and smooth running process.

Active Publication Date: 2016-04-27
SUZHOU BONRAY MEASURE & CONTROL EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the prior art, the straight-stroke electric actuator generally cannot be directly connected to the valve, and the lower flange surface of the electric actuator must be connected with the flange surface of the valve through a special bracket, and a threaded connection sleeve is also required to connect the electric actuator The output stem of the actuator is connected with the stem of the valve. Not only is the structure complex and the adjustment is cumbersome, but also the cost is high, the appearance is ugly, and it cannot be sealed. It has been used in various harsh environments for a long time. Due to acid corrosion and oxidation, etc. Very prone to various failures, affecting work and production

Method used

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Embodiment Construction

[0012] This embodiment is a straight-stroke bracket, including an upper flange (3), a lower flange (25), a sleeve (14), and a driving part; the top of the straight-stroke bracket is provided with an upper flange (3) , the bottom end is provided with a lower flange (25), the middle part is a driving part, and the driving part includes a driving sleeve (12), a main shaft (7), a fixing ring (19), a straight rod (8), and a connecting end cover (2); where the connecting end cover (2) is connected with the valve stem and fixed on the top of the straight rod (8), the main shaft (7) and the drive sleeve (12) are connected by left-handed trapezoidal thread and fixed on the sleeve by a flat key Inside (14), there is a long keyway inside the sleeve (14), so that the straight rod (8) assembly can only move up and down along the keyway to realize the opening and closing of the valve. The drive sleeve (12) and the main shaft (7) The connection is threaded, and the thread is a left-handed tr...

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PUM

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Abstract

The invention discloses a straight-stroke support which comprises an upper flange, a lower flange, a sleeve part and a driving walking part. The driving walking part comprises a driving sleeve, a main shaft, a fixing ring, a straight walking rod and a connecting end cover. The driving sleeve and the main shaft are connected in a thread mode. The driving sleeve is made of copper. The driving sleeve is fixed in the straight walking rod through threads. The driving walking part further comprises a pressing cover, a limiting ring, a pressing ring, a driving sleeve pressing block and a thrust ball bearing. The pressing cover, the limiting ring, the pressing ring and the driving sleeve pressing block are all made of cast iron STSi5R. According to the straight-stroke support, a valve and an actuator can be effectively connected, circle rotating is converted into straight line walking, gas etching, acid etching, water erosion and oxidation can be effectively avoided, vibration and noise are low, attractiveness and safety are achieved, environment is protected, and adaptability is high.

Description

technical field [0001] The invention relates to the technical field of valve connection brackets, in particular to a single straight stroke bracket. Background technique [0002] In the prior art, the straight-stroke electric actuator generally cannot be directly connected to the valve, and the lower flange surface of the electric actuator must be connected with the flange surface of the valve through a special bracket, and a threaded connection sleeve is also required to connect the electric actuator The output stem of the actuator is connected with the stem of the valve. Not only is the structure complex and the adjustment is cumbersome, but also the cost is high, the appearance is ugly, and it cannot be sealed, and it has been used in various harsh environments for a long time. It is very prone to various failures, affecting work and production. Contents of the invention [0003] The object of the present invention is to overcome the above-mentioned shortcomings of the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K31/50
CPCF16K27/08F16K31/508
Inventor 曹伟杨歆豪李泽李伟华罗黎明杨爱芳
Owner SUZHOU BONRAY MEASURE & CONTROL EQUIP
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