CN107345585A - A kind of pressure-reducing valve and water heater - Google Patents
A kind of pressure-reducing valve and water heater Download PDFInfo
- Publication number
- CN107345585A CN107345585A CN201610298472.9A CN201610298472A CN107345585A CN 107345585 A CN107345585 A CN 107345585A CN 201610298472 A CN201610298472 A CN 201610298472A CN 107345585 A CN107345585 A CN 107345585A
- Authority
- CN
- China
- Prior art keywords
- chamber
- pressure
- valve
- core rod
- reducing valve
- Prior art date
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/08—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with special arrangements for providing a large discharge passage
- F16K17/085—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with special arrangements for providing a large discharge passage with diaphragm
Abstract
The present invention relates to fluid control technology field, more particularly to a kind of pressure-reducing valve for being used to control water heater liner intake pressure.It includes housing, and the valve element that can be fluctuated is provided with housing, and the housing is separated into first chamber and second chamber by valve element, and water inlet and delivery port are additionally provided with housing, and valve element upper end is provided with barrier pad, and valve element upper end is provided with diaphragm；During connected state, water inlet, delivery port, first chamber, second chamber connection；During off-state, water inlet connects with first chamber, and delivery port connects with second chamber.Diaphragm is provided with the present invention to pad with barrier, is fluctuated by valve element and is fluctuated with dynamic diaphragm and barrier pad, and first chamber can be connected or disconnected with second chamber by barrier pad, pressure-reducing valve is realized mechanical automatic switching on or disconnection.A kind of water heater is additionally provided in the present invention, the water heater liner water inlet pressure-reducing valve can realize auto switching according to inner liner pressure.
Description
Technical field
The present invention relates to fluid control technology field, more particularly to one kind to be used to control water heater liner influent pressure
The pressure-reducing valve of power.
Background technology
In the prior art, often using pressure-reducing valve as a kind of element for being used to control Fluid pressure.Due to hot water
The pressure of device inner bag is smaller, and the water pressure in running water pipe is larger, therefore, heater inleting pipe and hot water
Generally require to set the pressure-reducing valve no less than one to adjust intake pressure between device inner bag.
Existing pressure-reducing valve includes the housing with inner chamber, the valve element that can be moved up and down and be located in housing.Should
The inner chamber of housing is divided into first chamber and the second chamber mutually isolated and that be located at the relative both sides of valve element by valve element
Room, housing have first chamber and second chamber, connected between first chamber and second chamber, and the first chamber
Room connects water inlet pipe, second chamber connection water heater liner.Spring is provided with second chamber, and on spring
End is provided with the fluid stopping plug for isolating first chamber and second chamber, and fluid stopping is provided with multiple through holes beyond the Great Wall to be made
Water can pass through.Although this kind of structure can reduce intake pressure, it can not realize that water inlet is dammed, when interior
When water in courage is relatively expired, water still can constantly enter inner bag, and inner liner pressure continues to increase, when inner liner pressure surpasses
The security of water heater will substantially reduce when going out preset pressure value, only by artificially closing water inlet water inlet
It can guarantee that the safety of water heater.
Therefore, how a kind of pressure-reducing valve is provided, valve body auto switching can be realized, is those skilled in the art
There is the problem of to be solved.
The content of the invention
It is an object of the invention to propose a kind of pressure-reducing valve, it can realize that pressure-reducing valve water inlet and delivery port are automatic
Break-make.
The present invention also aims to propose a kind of water heater, the water heater liner water inlet pressure-reducing valve being capable of root
Auto switching is realized according to inner bag water.
To use following technical scheme up to this purpose, the present invention：
A kind of pressure-reducing valve, including housing, the valve element that can be fluctuated, the valve element are provided with the housing
The housing is separated into first chamber and second chamber, water inlet and delivery port are additionally provided with the housing,
The valve element upper end is provided with barrier pad, and the barrier pad floats with valve element connects first chamber and second chamber
On-off is opened, and the valve element upper end is provided with diaphragm；During connected state, the water inlet, delivery port with
The first chamber, second chamber connection；During off-state, the water inlet connects with the first chamber,
The delivery port connects with the second chamber.
Preferably, the housing includes valve body, the valve body upper end sets top cover, fixed in the top cover
Provided with pressure regulation cap, the valve body lower end is provided with bottom.
Preferably, the valve element includes the top valve core rod positioned at second chamber, separates first chamber and the
The middle part valve core rod of two chambers and the bottom valve core rod positioned at first chamber, the middle part valve core rod diameter are big
In the top valve core rod, bottom valve core rod diameter.
Preferably, the limiting section being engaged with middle part valve core rod is provided with the housing, the middle valve
Sealing ring is provided with the side wall that core bar is in contact with the limiting section.
Preferably, the diaphragm is sheathed on the top valve core rod, the top valve core rod top is with adjusting
Pressure cap is connected by pressure spring.
Preferably, the bottom valve core rod is arranged with barrier pad, the barrier pad top sets restraining position ring block.
Preferably, the bottom valve core rod bottom is additionally provided with base, the base and the bottom valve element
Bar is fixedly connected.
Preferably, the pressure regulation shade axially offers through hole.
Preferably, the diaphragm area, which is more than the barrier, pads area.
A kind of water heater, including pressure-reducing valve described above, the pressure-reducing valve delivery port and water heater liner
Water inlet is connected, and the pressure-reducing valve water inlet is connected with running water pipe.
Beneficial effects of the present invention：
Diaphragm and barrier pad are provided with the present invention, is fluctuated by valve element with above and below dynamic diaphragm and barrier pad
Float, first chamber can be connected or disconnected with second chamber by barrier pad, pressure-reducing valve is realized machinery
Formula automatic switching on or disconnection.
When the upward thrust that the diaphragm in second chamber is subject to far smaller than obstructs in first chamber
Pad be subject to downward thrust when, valve element floats downwards, therefore, first chamber, second chamber, delivery port,
Connected between water inlet, water by water inlet by first chamber to second chamber, then again from second chamber to
Delivery port, and the pressure of water reduces.After water is full of in the container being connected with delivery port, water can be full of second
It is downward to be more than that barrier pad is subject to for chamber, and push up diaphragm, the upward thrust that now diaphragm is subject to
Thrust, valve element can float upwards, barrier pad is obstructed first chamber and second chamber, and then can realize
Pressure-reducing valve is automatically turned on or closed.
Brief description of the drawings
Fig. 1 is pressure-reducing valve first chamber provided by the invention and working state figure during second chamber connected state；
Fig. 2 is working state figure when pressure-reducing valve first chamber provided by the invention connects disconnection with second chamber；
Fig. 3 is the structural representation of valve element in Fig. 1；
Fig. 4 is the sectional view of housing in Fig. 1；
In figure：
1st, housing；11st, first chamber；12nd, second chamber；13rd, water inlet；14th, delivery port；15、
Valve body；16th, top cover；17th, bottom；18th, limiting section；2nd, valve element；21st, top valve core rod；22nd, in
Portion's valve core rod；221st, annular groove；23rd, bottom valve core rod；24th, spacing ring；3rd, barrier pad；4th, film
Piece；5th, pressure regulation cap；6th, sealing ring；7th, pressure spring；8th, base.
Embodiment
In order that those skilled in the art more fully understand technical scheme, below in conjunction with the accompanying drawings and lead to
Embodiment is crossed to further illustrate technical scheme.
Embodiment 1
A kind of pressure-reducing valve is present embodiments provided, the pressure-reducing valve can be according to water inlet pressure and delivery port pressure
Power difference realizes that valve element floats to control hydraulic pressure reduction and current to block.The pressure-reducing valve includes housing 1, housing 1
The valve element 2 that can be fluctuated inside is provided with, housing 1 is separated into first chamber 11 and second chamber by valve element 2
12, water inlet 13 and delivery port 14 are additionally provided with housing 1, the upper end of valve element 2 is provided with barrier pad 3, resistance
Dottle pin 3 is floated with valve element 2 and first chamber 11 is connected or disconnected with second chamber 12, and the upper end of valve element 2 is set
It is equipped with diaphragm 4；As shown in figure 1, when pressure-reducing valve is connected state, water inlet 13, delivery port 14 are with
One chamber 11, second chamber 12 connect；As shown in Fig. 2 when pressure-reducing valve is off-state, water inlet 13
Connected with first chamber 11, delivery port 14 connects with second chamber 12.
Second chamber 12 is shaped as "] " structure, first chamber 11 is shaped as " l " structure, wherein,
Second chamber 12 surrounds the upper and lower side of first chamber 11 and right side, valve element 2, limiting section 18 and resistance
Dottle pin 3, which cooperates, effectively to be separated second chamber 12 or connect with first chamber 11.
Because water inlet pressure typically keeps constant, delivery port pressure reduces.Therefore, it is connected with the pressure-reducing valve
Container in water when being reduced to a certain amount, the downward thrust that the barrier pad 3 in first chamber is subject to
To be floated downwards by upward thrust, valve element 2 more than diaphragm 4, first chamber 11 connects with second chamber,
Water can be entered in container；When the water in container is full, water can be full of the second chamber connected with delivery port 14
Room 12, the upward thrust that now diaphragm 4 is subject to are more than the downward thrust that barrier pad 3 is subject to, can driven
Valve element floats upwards, barrier pad 3 is disconnected second chamber 12 and first chamber 11.
Because the hydraulic pressure in second chamber 12 is much smaller than the hydraulic pressure in first chamber 11, in order that diaphragm 4 by
To thrust be more than the thrust that is subject to of barrier pad 3, the area of diaphragm 4 is more than the barrier pad 3 in the present embodiment
Area.Diaphragm 4 is circular configuration with barrier flaps 3, therefore the diameter of diaphragm 4 is more than the straight of barrier flaps 3
Footpath, and diaphragm 4 is made with barrier flaps 3 by silica gel.
As shown in figure 4, housing 1 includes valve body 15 in the present embodiment, the upper end of valve body 15 sets top cover 16,
Pressure regulation cap 5 is fixed with top cover 16, pressure regulation cap 5 offers through hole vertically, and the through hole makes on diaphragm 4
Square region is in communication with the outside, and then ensures that the gas in the upper area of diaphragm 4 will not be compressed, and ensures valve element 2
It can float upwards；The lower end of valve body 15, which is fixedly installed bottom 17, simultaneously makes valve inner keep sealing state,
Connected mode in the present embodiment between valve body 15 and bottom 17 can be threadedly coupled or weld or integral type company
Connect any of mode.
As shown in figure 3, valve element 2 includes the top valve core rod 21 positioned at second chamber 12, separates first chamber
The 11 middle part valve core rods 22 with second chamber 12 and the bottom valve core rod 23 positioned at first chamber 11, in
The diameter of portion's valve core rod 22 is respectively greater than top valve core rod 21 and the diameter of bottom valve core rod 23.Wherein, housing
The limiting section 18 being engaged with middle part valve core rod 22 is provided with 1, further ensuring valve element 2 can be by shell
Body is divided into first chamber 11 and second chamber 12.In order to prevent being sent out between first chamber 11 and second chamber 12
It is raw to leak, sealing ring 6 is provided with the side wall that middle part valve core rod 22 is in contact with limiting section 18 in the present embodiment,
It is correspondingly provided with accommodating the annular groove 221 of sealing ring 6, the quantity of sealing ring 6 on middle part valve core rod 22
It is arranged as required to, while the axial length of annular groove 221 is according to the quantity set of the sealing ring 6 of setting.
Diaphragm 4 is fixed and is set on upper valve core bar 21, while the top of top valve core rod 21 and pressure regulation cap 5
Connected by pressure spring 7.The motion for setting pressure spring 7 to be to be able to diaphragm 4, valve element 2 is carried out
Limitation and regulation, while can also prevent valve core movement is too fast to cause barrier pad 3 to be sent out with diaphragm 4 and housing 1
It is raw to hit.When valve element floats downwards, pressure spring 7 is extended state；When valve element floats upwards, pressure regulation bullet
Spring 7 may be any under stretching or compression or nature.Bottom valve core rod 23 is arranged with barrier pad 3,
Obstruct the top of pad 3 and restraining position ring block 24 is set；The bottom of bottom valve core rod 23 is further fixedly arranged on base 8, base
8 are fixedly connected with the bottom valve core rod 23, while the upper end of base 8 is additionally provided with to accommodate and obstructs pad 3
Groove.It is to prevent that obstruct pad 3 moves up and down with respect to valve element 2 to set the purpose of spacing ring 24 and base 8,
And then when effectively preventing from connecting between first chamber 11 and delivery port 14, connected region, which is decreased or increased, to be caused
Barrier pad effect failure.
Connected mode between base 8 and valve element 2 can be interference fit connection or be threadedly coupled.
Embodiment 2
A kind of water heater, including pressure-reducing valve as described in example 1 above, the pressure-reducing valve delivery port 14 and hot water
The water inlet of device inner bag is connected, and pressure-reducing valve water inlet 13 is connected with running water pipe.
The water heater carries the pressure-reducing valve for being capable of automatic shutter, and water heater liner water inlet pressure-reducing valve being capable of basis
Inner liner pressure realizes auto switching, and then the hydraulic pressure in water heater can be made to be no more than the specified maximum of inner bag and pressed
Power, it is improved the security performance of water heater liner.It need not be powered when being worked due to pressure-reducing valve, enter one
The saving energy of step.
Pay attention to, the general principle and principal character and advantages of the present invention of the present invention has been shown and described above.
It should be understood by those skilled in the art that the present invention is not limited to the embodiments described above, above-mentioned embodiment
With merely illustrating the principles of the invention described in specification, the premise of spirit and scope of the invention is not being departed from
Under, various changes and modifications of the present invention are possible, and these changes and improvements both fall within claimed invention
In the range of, claimed scope of the invention is by appended claims and its equivalent thereof.
Claims (10)
1. a kind of pressure-reducing valve, including housing (1), the housing (1) is interior to be provided with the valve that can be fluctuated
The housing (1) is separated into first chamber (11) and second chamber (12) by core (2), the valve element (2),
Water inlet (13) and delivery port (14) are additionally provided with the housing (1), it is characterised in that the valve
Core (2) upper end is provided with barrier pad (3), and the barrier pad (3) is floated first chamber with valve element (2)
(11) connect or disconnect with second chamber (12), valve element (2) upper end is provided with diaphragm (4)；Even
During logical state, the water inlet (13), delivery port (14) with the first chamber (11), the second chamber
Room (12) connects；During off-state, the water inlet (13) connects with the first chamber (11),
The delivery port (14) connects with the second chamber (12).
2. pressure-reducing valve according to claim 1, it is characterised in that the housing (1) includes valve body
(15), valve body (15) upper end sets top cover (16), and pressure regulation is fixed with the top cover (16)
Cap (5), valve body (15) lower end are provided with bottom (17).
3. pressure-reducing valve according to claim 2, it is characterised in that the valve element (2) includes being located at
The top valve core rod (21) of second chamber (12), separate first chamber (11) and second chamber (12)
Middle part valve core rod (22) and the bottom valve core rod (23) positioned at first chamber (11), the middle part valve element
Bar (22) diameter is more than the top valve core rod (21), bottom valve core rod (23) diameter.
4. pressure-reducing valve according to claim 3, it is characterised in that be provided with the housing (1)
The limiting section (18) being engaged with middle part valve core rod (22), the middle part valve core rod (22) with it is described spacing
Sealing ring (6) is provided with the side wall that portion (18) is in contact.
5. pressure-reducing valve according to claim 3, it is characterised in that the diaphragm (4) is sheathed on institute
State on top valve core rod (21), top valve core rod (21) top passes through pressure regulation bullet with pressure regulation cap (5)
Spring (7) connects.
6. pressure-reducing valve according to claim 5, it is characterised in that bottom valve core rod (23) set
(3) are padded provided with barrier, restraining position ring block (24) is set above the barrier pad (3).
7. pressure-reducing valve according to claim 6, it is characterised in that bottom valve core rod (23) bottom
End is additionally provided with base (8), and the base (8) is fixedly connected with the bottom valve core rod (23).
8. according to the pressure-reducing valve described in claim any one of 2-7, it is characterised in that the pressure regulation cap (5)
Through hole is offered vertically.
9. pressure-reducing valve according to claim 8, it is characterised in that diaphragm (4) area is more than
Described barrier pad (3) area.
10. a kind of water heater, it is characterised in that including the pressure-reducing valve as described in claim 1-9 is any, institute
State pressure-reducing valve delivery port (14) with the water inlet of water heater liner to be connected, the pressure-reducing valve water inlet (13)
It is connected with running water pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610298472.9A CN107345585A (en) | 2016-05-06 | 2016-05-06 | A kind of pressure-reducing valve and water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610298472.9A CN107345585A (en) | 2016-05-06 | 2016-05-06 | A kind of pressure-reducing valve and water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107345585A true CN107345585A (en) | 2017-11-14 |
Family
ID=60253040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610298472.9A Pending CN107345585A (en) | 2016-05-06 | 2016-05-06 | A kind of pressure-reducing valve and water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107345585A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110989710A (en) * | 2019-12-31 | 2020-04-10 | 深圳市宝明发科技有限公司 | Intelligent pressure adjusting device and method for pressure reducing valve |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004094636A (en) * | 2002-08-30 | 2004-03-25 | Saginomiya Seisakusho Inc | Flow rate control valve |
| CN2610187Y (en) * | 2003-03-17 | 2004-04-07 | 周冀东 | Gas meter with automatic close valve for overpressure or underpressure |
| CN201202861Y (en) * | 2008-05-30 | 2009-03-04 | 宁波华成阀门有限公司 | Deep well water pump control valve |
| CN201535377U (en) * | 2009-10-16 | 2010-07-28 | 黄彪 | Pressure-reducing constant pressure valve |
| CN102425692A (en) * | 2011-08-19 | 2012-04-25 | 浙江盾安阀门有限公司 | Filter type thin film pressure reducing valve |
| CN205136709U (en) * | 2015-11-11 | 2016-04-06 | 山东龙普太阳能有限公司 | Mechanical type multi -function control valve |
| CN205745492U (en) * | 2016-05-06 | 2016-11-30 | 青岛经济技术开发区海尔热水器有限公司 | A kind of air relief valve and water heater |
-
2016
- 2016-05-06 CN CN201610298472.9A patent/CN107345585A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004094636A (en) * | 2002-08-30 | 2004-03-25 | Saginomiya Seisakusho Inc | Flow rate control valve |
| CN2610187Y (en) * | 2003-03-17 | 2004-04-07 | 周冀东 | Gas meter with automatic close valve for overpressure or underpressure |
| CN201202861Y (en) * | 2008-05-30 | 2009-03-04 | 宁波华成阀门有限公司 | Deep well water pump control valve |
| CN201535377U (en) * | 2009-10-16 | 2010-07-28 | 黄彪 | Pressure-reducing constant pressure valve |
| CN102425692A (en) * | 2011-08-19 | 2012-04-25 | 浙江盾安阀门有限公司 | Filter type thin film pressure reducing valve |
| CN205136709U (en) * | 2015-11-11 | 2016-04-06 | 山东龙普太阳能有限公司 | Mechanical type multi -function control valve |
| CN205745492U (en) * | 2016-05-06 | 2016-11-30 | 青岛经济技术开发区海尔热水器有限公司 | A kind of air relief valve and water heater |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110989710A (en) * | 2019-12-31 | 2020-04-10 | 深圳市宝明发科技有限公司 | Intelligent pressure adjusting device and method for pressure reducing valve |
| CN110989710B (en) * | 2019-12-31 | 2023-06-20 | 深圳市宝明发科技有限公司 | Pressure intelligent regulating device and method for pressure reducing valve |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171114 |
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| RJ01 | Rejection of invention patent application after publication |