CN2296438Y - Multifunctional pressure self-control valve - Google Patents

Multifunctional pressure self-control valve Download PDF

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Publication number
CN2296438Y
CN2296438Y CN 96223980 CN96223980U CN2296438Y CN 2296438 Y CN2296438 Y CN 2296438Y CN 96223980 CN96223980 CN 96223980 CN 96223980 U CN96223980 U CN 96223980U CN 2296438 Y CN2296438 Y CN 2296438Y
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CN
China
Prior art keywords
valve
water
piston
pressure
internally piloted
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 96223980
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Chinese (zh)
Inventor
张立群
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Individual
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Individual
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Priority to CN 96223980 priority Critical patent/CN2296438Y/en
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Publication of CN2296438Y publication Critical patent/CN2296438Y/en
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Expired - Fee Related legal-status Critical Current

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Abstract

A multifunctional pressure automatic control valve is characterized in that a piston with a T-shaped section is arranged in a valve cavity, the large end of the piston faces a water outlet, the small end of the piston faces a water inlet, and a passage for connecting the water inlet and the water outlet is arranged beside the valve cavity. The valve cavity between the big end and the small end of the piston is communicated with the atmosphere and is provided with a pressure spring. The permanent magnetic steel and the filter screen are arranged at the inner hole of the joint at the water inlet end. Valve body one side be equipped with ball formula one-way relief valve, the utility model is suitable for a water supply system especially seals the water supply of valve formula water heater, the pressure in the ability automatic control water tank is below a certain rated value to ensure safety. In addition, the magnetic filter has multiple functions of magnetization, filtration, pressure relief and backwater prevention. The closed water heater can simultaneously meet the requirements of a plurality of water using devices such as a bathtub, a wash basin, a washing pool and the like, and the pressure automatic control valve is crucial to the closed water heater.

Description

The multi-functional pressure internally piloted valve
The utility model relates to a kind of internally piloted valve that is used for the water system automatic pressure control, especially for the intake pipe of the closed water tank of water heater, can automatically pressure limiting to cistern water supply, and have the multi-functional pressure internally piloted valve of magnetization, filtration and pressure relief device.
Be unable to do without water intake, water outlet and heating water chamber in the water heater, for guaranteeing safety, the hydraulic pressure in the water tank generally is no more than 0.19MPa.Usually, water intake one side is equipped with control valve and unidirectional Decompression valves, and water outlet is an open type, water tank is communicated, to guarantee safety with atmosphere.During use, open the control valve of water intake one side, make water tank level surpass the outlet pipe height, water outlet promptly has hot water to flow out.Though this outlet open-type water heater safety can not satisfy bathtub simultaneously, wash the needs of a plurality of water consumption devices such as eyelid pond, straining vat.Because when a plurality of water consumption devices are in parallel, for preventing water outlet simultaneously, each water outlet don't fail to be distinguished the filled with water tap, and it is closed that this will make water heater become.And existing control valve can not play the effect of automatically pressure limiting to the closed water heater, has to add the wall thickness of large water tank sometimes, and this also lacks Security.Existing unidirectional Decompression valves can only make the hot water outflow in the superpressure rear water box, can not close intake tunnel automatically, its pressure relief device adopts the rubber ring of end face seal formula simultaneously, because bonding, the deterioration phenomenon of rubber ring, and the pressure release action effect after it is heated up to water heater is bad.The function of in addition, also do not have magnetization in the existing valve, filtering.
The purpose of this utility model is to overcome the deficiencies in the prior art part, and a kind of closed water heater of being applicable to is provided, can be to the cistern water supply automatically pressure limiting, and have the multi-functional pressure internally piloted valve of the pressure relief device of magnetization, filtrating equipment and high reliability.
The technical solution of the utility model is: be provided with spool and Sealing in the valve pocket of multi-functional pressure internally piloted valve valve body, the entery and delivery port at valve body two ends all is threaded.Described spool is the piston that section becomes the T type, and its big end is towards water outlet, and small end is towards water intake, and one side of valve pocket is provided with the passage that connects entery and delivery port.The position, large and small footpath of piston all becomes sealed type to cooperate with valve pocket, the valve pocket between the sealing formula matching part communicates with atmosphere, and is provided with pressure spring.Be provided with Sealing between piston path end face and the water intake.During water supply, the water source is flowed into by water intake, washes piston open, through valve pocket passage on one side, enters water tank by water outlet again.The pressure at water source acts on the piston small end face, pressure in the closed water tank acts on the piston large end face, when the water tank internal pressure reaches a certain rating value, the thrust that acts on the big end of piston is greater than the thrust that acts on the piston small end and spring force, frictional force sum, then piston moves down, block water intake, cut off the water supply.When the water tank internal pressure less than this rating value, piston reopens, and continue to supply water.Valve pocket communicates with atmosphere, and is provided with pressure spring, is for the piston freedom of movement, and when source pressure is low, also can supply water.According to the ratio of the large and small end area of piston, just can extrapolate corresponding to the hydraulic pressure rating value in the water tank of source pressure, this rating value is all the time less than source pressure.As seen, the technical program can realize the automatic control of closed tank pressure.
The water intake of above-mentioned valve body is provided with the joint of band endoporus, and this joint endoporus place is provided with permanent-magnet steel and filter screen, thereby increases magnetization, the filtering function of internally piloted valve.This joint becomes sealed type to be connected with valve body, and exposed junction has outside thread.Valve body one side is provided with the unidirectional Decompression valves that links to each other with water outlet, and this Decompression valves can be the ball type one-way valve, and its ball is preferably glass marble, with further assurance safety, and reliable, sensitive.Piston path position end face is provided with the little slide bar of running fit with it, be provided with Sealing between little slide bar exterior edge face and the water intake, cut off the water suddenly when the water source like this, and the water tank internal pressure is hanged down when being not enough to promote piston, then little slide bar is fallen to blocking water intake by deadweight, with caisson internal memory water light leak.
The utility model adopts above technological scheme, can control the pressure in the closed water tank automatically, makes it all the time in the safety value scope, and be provided with permanent-magnet steel and filter screen and little slide bar and the unidirectional Decompression valves of ball type, thereby have multiple function, Security is good, the reliability height.
Further specify embodiment of the present utility model below in conjunction with accompanying drawing.
Accompanying drawing is a structural representation of the present utility model.
As figure, the water intake 8 at valve body 1 two ends and water outlet 21 places have outside thread and internal thread respectively, connect during for installation.Be provided with spool 22 and seal ring 17 and limit baffle ring 18 in the valve pocket, this spool is the piston that section becomes the T type, and its big end 16 is towards water outlet, and small end 4 is towards water intake.One side of valve pocket is provided with the passage 2 that connects entery and delivery port.Piston path position is by seal ring 13 sealings, and seal ring 13 is compressed by spring 6.Valve pocket 15 between the sealing position, the large and small footpath of piston is communicated with atmosphere by vent 14, is provided with pressure spring 3 in this valve pocket.Piston path position end face is provided with the little slide bar 12 of running fit with it, and little slide bar exterior edge face is provided with seal ring 5.Water intake one end is provided with the joint 11 of band endoporus, and its endoporus place is provided with permanent-magnet steel 9 and copper filter screen 10, and seal ring 7 is arranged between joint and valve body.One side of valve body is provided with the unidirectional Decompression valves 20 that links to each other with water outlet, and this Decompression valves is for adopting the ball type one-way valve of glass marble 19.The piston Outside diameter is Φ 17mm in the present embodiment, and end diameter is Φ 7mm, when source pressure is 0.32MPa, the water tank internal pressure is controlled at below the 0.13MPa.

Claims (6)

1, a kind of multi-functional pressure internally piloted valve, be provided with spool and Sealing in the valve pocket of valve body, the water intake and the water outlet at valve body two ends all are threaded, it is characterized in that described spool is the piston that section becomes the T type, its big end is towards water outlet, small end is towards water intake, one side of valve pocket is provided with the passage that connects entery and delivery port, the position, large and small footpath of piston all becomes sealed type to cooperate with valve pocket, valve pocket between the sealing formula matching part communicates with atmosphere, and be provided with pressure spring, be provided with Sealing between piston path end face and the water intake.
2, by the described internally piloted valve of claim 1, it is characterized in that water intake is provided with the joint of band endoporus, this joint endoporus place is provided with permanent-magnet steel and filter screen, and this joint becomes sealed type to be connected with valve body.
3, by the described internally piloted valve of claim 1, it is characterized in that valve body one side is provided with the unidirectional Decompression valves that links to each other with water outlet.
4, by the described internally piloted valve of claim 3, it is characterized in that Decompression valves is the ball type one-way valve.
5, by the described internally piloted valve of claim 4, it is characterized in that described ball is a glass marble.
6, by the described internally piloted valve of claim 1, it is characterized in that piston path position end face is provided with the little slide bar of running fit with it, is provided with Sealing between little slide bar exterior edge face and the water intake.
CN 96223980 1996-10-29 1996-10-29 Multifunctional pressure self-control valve Expired - Fee Related CN2296438Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 96223980 CN2296438Y (en) 1996-10-29 1996-10-29 Multifunctional pressure self-control valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 96223980 CN2296438Y (en) 1996-10-29 1996-10-29 Multifunctional pressure self-control valve

Publications (1)

Publication Number Publication Date
CN2296438Y true CN2296438Y (en) 1998-11-04

Family

ID=33903069

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 96223980 Expired - Fee Related CN2296438Y (en) 1996-10-29 1996-10-29 Multifunctional pressure self-control valve

Country Status (1)

Country Link
CN (1) CN2296438Y (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101481980B (en) * 2008-01-08 2011-07-20 秦中银 Self-reset pendulum type door
CN102182539A (en) * 2011-01-31 2011-09-14 潍柴动力股份有限公司 Diesel engine and seawater pump thereof
CN103775684A (en) * 2013-12-30 2014-05-07 宁波市天基隆智控技术有限公司 Regulation valve
WO2016086839A1 (en) * 2014-12-03 2016-06-09 广东顺德光晟电器股份有限公司 Central electric water heater having depressurization function
WO2016086840A1 (en) * 2014-12-03 2016-06-09 广东顺德光晟电器股份有限公司 Air energy water heater having pressure reducing function
CN105716276A (en) * 2014-12-03 2016-06-29 广东顺德光晟电器股份有限公司 Air energy water heater with pressure regulation function
CN106288421A (en) * 2015-05-16 2017-01-04 广东顺德光晟电器股份有限公司 Quasiconductor or luminous energy heat and have the solar water heater of decompression
CN106288422A (en) * 2015-05-16 2017-01-04 广东顺德光晟电器股份有限公司 There are the external quasiconductor of pressure adjusting function or the solar water heater of luminous energy heating
CN106766270A (en) * 2016-12-02 2017-05-31 金陵科技学院 Top-floor solar hot hydrophone pressure switch
CN113336424A (en) * 2021-07-02 2021-09-03 潜江菲利华石英玻璃材料有限公司 Quartz glass's combustor automatic water supply device

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101481980B (en) * 2008-01-08 2011-07-20 秦中银 Self-reset pendulum type door
CN102182539A (en) * 2011-01-31 2011-09-14 潍柴动力股份有限公司 Diesel engine and seawater pump thereof
CN103775684A (en) * 2013-12-30 2014-05-07 宁波市天基隆智控技术有限公司 Regulation valve
CN103775684B (en) * 2013-12-30 2016-03-16 宁波市天基隆智控技术有限公司 Modulating valve
WO2016086839A1 (en) * 2014-12-03 2016-06-09 广东顺德光晟电器股份有限公司 Central electric water heater having depressurization function
WO2016086840A1 (en) * 2014-12-03 2016-06-09 广东顺德光晟电器股份有限公司 Air energy water heater having pressure reducing function
CN105716288A (en) * 2014-12-03 2016-06-29 广东顺德光晟电器股份有限公司 Central electric water heater with pressure reduction function
CN105716276A (en) * 2014-12-03 2016-06-29 广东顺德光晟电器股份有限公司 Air energy water heater with pressure regulation function
CN106288421A (en) * 2015-05-16 2017-01-04 广东顺德光晟电器股份有限公司 Quasiconductor or luminous energy heat and have the solar water heater of decompression
CN106288422A (en) * 2015-05-16 2017-01-04 广东顺德光晟电器股份有限公司 There are the external quasiconductor of pressure adjusting function or the solar water heater of luminous energy heating
CN106766270A (en) * 2016-12-02 2017-05-31 金陵科技学院 Top-floor solar hot hydrophone pressure switch
CN113336424A (en) * 2021-07-02 2021-09-03 潜江菲利华石英玻璃材料有限公司 Quartz glass's combustor automatic water supply device

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C19 Lapse of patent right due to non-payment of the annual fee
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