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Ball valve with random adjustment preventing function

A ball valve and functional technology, applied in the field of ball valves with anti-arbitrary adjustment function, can solve the problems of users' troubles, complex structure of anti-theft ball valves, etc., and achieve the effect of preventing arbitrary adjustments

Inactive Publication Date: 2020-08-25
陈艳艳
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of anti-theft ball valve has a complex structure, and it is not easy to open the ball valve again if the key is lost during use, which brings trouble to the user

Method used

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  • Ball valve with random adjustment preventing function
  • Ball valve with random adjustment preventing function
  • Ball valve with random adjustment preventing function

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Experimental program
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Embodiment Construction

[0022] see Figure 1-6 As shown, a ball valve with anti-arbitrary adjustment function includes a valve body 1, a valve cavity 101 is provided in the valve body 1, and a left channel 102 communicating with the valve cavity 101 is provided on the left side of the valve body 1. The valve body 1 is fixed with a right valve cover 2 at the opening of the right end of the valve cavity 101, and the right valve cover 2 is provided with a right channel 201 communicating with the valve cavity 101, and the valve cavity 101 is rotatably connected with a The ball core 3 that controls the on-off of the left channel 102 and the right channel 201; the upper end of the ball core 3 is provided with a shaft hole 31, and the valve body 1 is rotatably connected with a valve stem 5 whose lower end extends into the shaft hole 31; The ball core 3 is symmetrically provided with a left positioning groove 3a and a right positioning groove 3b communicating with the shaft hole 31 on both sides of the shaft...

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Abstract

The invention discloses a ball valve with a random adjustment preventing function. The ball valve comprises a valve body, wherein a valve cavity is formed in the valve body, a left channel is arrangedin the left side of the valve body, a right valve cover is mounted on the valve body, a right channel is arranged on the right valve cover, and a ball core is rotatably connected in the valve cavity.A shaft hole is formed in the upper end of the ball cover, and a valve rod, the lower end of which stretches into the shaft hole, is rotatably connected in the valve body; a left positioning groove and a right positioning groove communicating to the shaft hole are symmetrically formed in two sides of the shaft hole in the ball core; the valve rod is provided with a cutting groove, and a left positioning bar and a right positioning bar which are symmetrically arranged are hinged in the cutting groove; a core shaft is slidably connected in the valve rod, the lower end of the core shaft extendsinto the cutting groove, a left connecting rod and a right connecting rod which are symmetrically arranged are hinged to the lower end of the core shaft, the left connecting rod is hinged to the leftpositioning bar, and the right connecting rod is hinged to the right positioning bar; and a password assembly is arranged on the outer side of the valve rod. The ball valve is simple in structure, andrandom adjustment of the ball valve can be prevented.

Description

technical field [0001] The invention belongs to the technical field of pipeline valves, in particular to a ball valve with anti-arbitrary adjustment function. Background technique [0002] Ball valves are widely used in oil field wellheads, oil tanks, gathering stations, oil and gas pipeline systems, and petrochemical industries. People usually use valves such as ball valves to control the flow of liquid and gas, and most of these ball valves can be opened and closed freely. Due to the need for management, ball valves in some positions are prohibited from being opened and closed at will, such as the main pipeline gate, etc., and a locking device is required on the ball valve to prevent others from opening the valve without authorization to steal oil and gas. In order to achieve the anti-theft effect, various anti-theft ball valves have appeared on the market. Some anti-theft ball valves have complex structures and are inconvenient to use; while some anti-theft ball valves ha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K5/06F16K35/08
CPCF16K5/06F16K35/08
Inventor 李来滨邵建国
Owner 陈艳艳
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