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An anti-theft dismantling control check ball valve

A check ball valve and lock control technology, applied in the direction of control valve, device to prevent accidental or unauthorized action, valve device, etc., can solve the problem of check ball valve lacking anti-theft dismantling joints, etc., to eliminate the hidden danger of screw loss , reduce leakage points, lock the effect of small operation force

Active Publication Date: 2018-11-20
CHONGQING SHANCHENG GAS EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, there is a lack of check ball valves that can be locked and have anti-theft disassembly joints. In order to meet market demand, it is urgent to develop such products

Method used

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  • An anti-theft dismantling control check ball valve
  • An anti-theft dismantling control check ball valve
  • An anti-theft dismantling control check ball valve

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Example 1, see figure 1 , figure 2 , image 3, an anti-theft dismantling control check ball valve, comprising a valve body 1 and a valve cover 2, the external interface of the valve cover 2 constitutes the structure of an anti-theft disassembly joint, and a check valve structure is formed on the fluid passage of the valve cover 2; the valve body 1 and the bonnet 2 are connected with the valve core 3 through the sealing seat ring 9, and the valve core 3 is connected with the wrench 5 through the valve stem 4; one side of the valve body 1 is formed with a stuffing chamber, and the valve stem 4 is located in the stuffing chamber, and the valve A sealing packing 10 is provided between the outer circumference of the rod 4 and the inner wall of the stuffing chamber, and the sealing packing 10 is compressed by the packing nut 11 to form a sealed connection between the valve rod 4 and the valve body 1; the wrench 5 is T-shaped, and the wrench 5 passes through the T The verti...

Embodiment 2

[0026] Example 2, see Figure 4 , the locking screw 6 is screwed on the outer wall of the stuffing chamber of the valve body 1, and the limit stop tongue 51 is located outside the head of the lock screw 6, so that when the lock screw 6 is tightened, the wrench 5 can rotate, and the limit stop tongue There is a perforation 52 horizontally on the 51, and the diameter of the perforation 52 is larger than the outer diameter of the screw opening tool 12 that can be inserted into the section, so that the locking screw 6 can be turned by the screw opening tool 12, so that the head of the locking screw 6 can extend into a part of the perforation 52, Thereby, the locking of the wrench 5 is formed; or, the locking screw 6 is twisted by the screw opening tool 12, so that the head of the locking screw 6 escapes from the perforation 52 and is positioned inside the limit stop tongue 51, thereby releasing the locking state of the wrench 5.

[0027] The rest of the structure of this embodimen...

Embodiment 3

[0028] Example 3, see Figure 5 , Figure 6 , the head 61 of the locking screw 6 is formed with a triangular hole-shaped tightening structure, so as to be screwed only by the screw opening tool 12a matched therewith, and the screw opening tool 12a has a tightening structure with the front end of the locking screw 6 Matching triangular prism-shaped head.

[0029] The rest of the structure of this embodiment is the same as that of Embodiment 1, and will not be repeated here.

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PUM

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Abstract

The invention discloses an anti-burglary locking-controlled ball check valve. The anti-burglary locking-controlled ball check valve comprises a valve body, a bonnet and a valve element, wherein the valve element is connected with a wrench through a valve stem, the valve stem is positioned in a filler bin arranged on the side of the valve body, and a limiting stop tongue for limiting the rotating angle range of the wrench is formed on the wrench; an external port of the bonnet forms a structure of an anti-burglary connector, and a check valve structure is formed on a fluid channel of the bonnet; and a locking screw of which the head is provided with a prismatoidal tightening structure is arranged between the limiting stop tongue and the outer wall of the filler bin of the valve body. The locking screw is used for locking the wrench through the outer wall of the filler bin, and the wrench is unlocked when the locking screw is only separated from the outer wall of the filler bin or the limiting stop tongue. The anti-burglary locking-controlled ball check valve has the advantages that locking and burglary prevention can be effectively carried out, the mounting distance is fixed, and hidden leaking points are few; the locking screw is free of missing risks; and when the anti-burglary locking-controlled ball check valve is used in a household fuel gas pipeline, the trouble that running water flows back into the fuel gas pipeline due to the wrong connection of the gas pipeline and a water pipeline can be effectively eliminated.

Description

technical field [0001] The invention relates to an anti-theft disassembly ball valve, in particular to an anti-theft disassembly lock control check ball valve. Background technique [0002] Ball valve is a commonly used valve in the chemical industry, gas transmission, urban gas supply, and tap water supply pipelines. It has simple structure, reliable switch and long service life. Therefore, it is widely used in the above fields. Ordinary structure ball valves can be directly controlled by users as needed, and have control freedom and flexibility for direct users, but they lose control for gas supply and water supply management units. When the front-end engineering construction is not completed or the gas and water supply conditions are not met, after the valve is misoperated or operated without authorization, there will be safety hazards of tap water and gas leakage, or the risk of being stolen. The existing means of preventing unauthorized opening of the valve mainly inc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K5/06F16K15/02F16K35/00F16K31/60
CPCF16K5/06F16K15/02F16K31/60F16K35/00
Inventor 赵小波徐义洲
Owner CHONGQING SHANCHENG GAS EQUIP
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