Pollution discharge safety valve
A technology of safety valve and valve body, which is applied in the field of safety pressure relief valve, can solve the problems of increasing drain pipe interface, high cost, occupying the space of wall-hung boiler, etc., and achieves the effects of leakage prevention, centralized function and simple structure
Pending Publication Date: 2019-08-23
ZHEJIANG CHUNHUI INTELLIGENT CONTROL
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Problems solved by technology
[0002] In the wall-hung boiler in the related art, in order to realize the safe pressure relief and sewage discharge function of the waterway system, it is necessary to configure a safety valve and a sewage valve at the same time, occupying the space of the wall-hung boiler, increasing the drain pipe interface, and the cost is high and the arrangement is complicated.
In order to save costs, the blowdown valve is also omitted, which makes it inconvenient to clean the wall-hung boiler
Method used
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Embodiment Construction
[0017] Such as figure 1 , figure 2 As shown, a sewage safety valve includes a safety valve 1 and a sewage assembly 2; the safety valve 1 includes a valve body 11, a sealing diaphragm 12, a diaphragm seat 13, a gasket 14, a valve sealing spring 15, a valve cover 16, a manual drain Press the handle 17; the valve body 11 is provided with a diaphragm groove to put the sealing diaphragm 12, the valve cover 16 is pressed by the gasket 14 and the sealing diaphragm 12 is threadedly connected with the valve body 11, and the hook foot 131 of the diaphragm seat is guided through the valve cover The groove 161 can be hooked to the triangular boss 171 of the manual pressure relief handle 17; the manual pressure relief handle 17 is connected to the valve cover 16 through buckles; As a result, the blowdown assembly 2 is connected with the outlet of the safety valve 1 through threads.
[0018] Chinese patent application number ZL201620950538.3 discloses a safety valve with a new structure....
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The invention discloses a pollution discharge safety valve. The safety valve comprises a safety valve body and a pollution discharge assembly; the safety valve body comprises a valve main body, a sealmembrane, a membrane base, a gasket, a seal valve spring, a valve cover, and a manual pressure relief handle; a membrane groove is formed in the valve main body and is used for containing the seal membrane, the valve cover presses the seal membrane through the gasket and is in threaded connection with the valve main body, a membrane base hook foot penetrates through a valve cover guide groove tobe in hooked connection with a triangular boss of the manual pressure relief handle, the manual pressure relief handle is connected with the valve cover through a buckle, the pollution discharge assembly is composed of a seal pad, a seal ring and a pollution discharge handle, the pollution discharge assembly is connected with a safety valve outlet through a thread, and the pollution discharge safety valve is simple in design and compact in structure; safety pressure relief and pollution discharge functions are achieved, and the technical problem that a related wall hanging furnace part is highin cost and complex in arranging is solved effectively.
Description
technical field [0001] The invention relates to a safety pressure relief valve used in a wall-hung boiler system, which has the functions of safety pressure relief and sewage discharge, and belongs to a novel valve manufacturing technology with significant structural innovation. Background technique [0002] For wall-hung boilers in the related art, in order to realize the safe pressure relief and sewage discharge functions of the waterway system, it is necessary to configure safety valves and sewage valves at the same time, occupying the space of the wall-hung boiler, adding drain pipe connections, and the cost is high and the arrangement is complicated. In addition, the blowdown valve is omitted to save costs, which makes it inconvenient to clean the wall-hung boiler. Contents of the invention [0003] The purpose of the present invention is to provide a sewage discharge safety valve with simple design and compact structure, which has both safety pressure relief and sewa...
Claims
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Login to View More IPC IPC(8): F16K17/00
CPCF16K17/00
Inventor 於君标陈建松徐江良罗荣海任静吕江董新军
Owner ZHEJIANG CHUNHUI INTELLIGENT CONTROL