CN204403470U - A kind of water pump Multifunction pressure-reducing valve - Google Patents
A kind of water pump Multifunction pressure-reducing valve Download PDFInfo
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- CN204403470U CN204403470U CN201420861243.XU CN201420861243U CN204403470U CN 204403470 U CN204403470 U CN 204403470U CN 201420861243 U CN201420861243 U CN 201420861243U CN 204403470 U CN204403470 U CN 204403470U
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Abstract
The utility model provides a kind of water pump Multifunction pressure-reducing valve, comprise a main valve, main valve is made up of valve body, valve core structure, valve gap, one diaphragm is housed between valve body and valve gap, there is between diaphragm and valve gap a control room, be provided with the first control mouth, second in control room and control mouth and the 3rd control mouth, valve body inlet passage controls mouth UNICOM by import barrier pipeline and first; Valve outlet passage controls mouth by control of export pipeline and second and is communicated with; 3rd controls mouth is communicated with by outlet passage set by level pressure pilot valve, Relief pilot valve and described valve body, level pressure pilot valve and Relief pilot valve are set between control room and valve outlet passage, the unlatching of level pressure pilot valve is controlled by valve body inlet passage pressure medium, when the setting pressure of main valve inlet pressure lower than level pressure pilot valve, main valve is in closed condition, achieve valve closing startup water pump and can reduce startup energy consumption, regulate Relief pilot valve can set Main valve outlet pressure, there is the advantages such as energy-conservation, voltage stabilizing, slow open and close, elimination water hammer.
Description
Technical field
The utility model relates to a kind of water pump, particularly relates to a kind of water pump Multifunction pressure-reducing valve.
Background technique
In the pumping station pipe-line system of the water supply system such as fire-fighting, building, in order to improve the safe operation of water pump, general all employing installs water pump reduction valve at pump outlet, reduction valve is by regulating, inlet pressure is reduced to the outlet pressure of a certain needs, and rely on the energy of medium itself, make the valve that outlet pressure keeps stable automatically; From hydromechanical viewpoint, reduction valve is the throttle element that a local resistance can change, and namely by changing orifice size, the kinetic energy of flow velocity and fluid being changed, causes the different pressure losses, thus reach the object of decompression; Then rely on the adjustment of control and regulation system, the fluctuation of downstream pressure and spring force are balanced each other, makes downstream pressure keep constant in certain margin of error.The action principle of reduction valve reduces hydraulic pressure by valve inner flow passage to the local resistance of current, the scope that hydraulic pressure falls is regulated automatically by the import and export differential water pressures of the film or piston both sides that connect flap, proportional pressure reducing principle utilizes the hydraulic pressure of floating piston in valve body than controlling, and entrance end Pressure reducing ratio is inversely proportional to import and export side piston area ratio; This reduction valve stable working friction; Without spring in valve body, therefore without the worry of spring corrosion, metal fatigue failure; Favorable sealing property is non-leakage, thus not only subtracts dynamic pressure (during water flow) but also subtract static pressure (when flow is 0); Particularly while decompression, do not affect water flow.At exit of pump, reduction valve is installed and can reaches effect that Slow Close delays out, eliminates water hammer, prevents medium from flowing backwards; But, nowadays the kind of water pump reduction valve has a lot on the market, but existing reduction valve ubiquity shortcoming on the market: reduction valve can be opened simultaneously when water pump is opened, can have a certain impact to the startup of water pump like this, pump consumption is caused to increase, also uncontrollable and adjustment Main valve outlet pipeline medium pressure.
Model utility content
The purpose of this utility model is the defect overcoming prior art, provides a kind ofly reduce starting mode of pump power consumption and can control and regulate the water pump Multifunction pressure-reducing valve of Main valve outlet pressure.
The utility model is achieved in that a kind of water pump Multifunction pressure-reducing valve, comprise a main valve, described main valve is made up of valve body, valve core structure, valve gap, one diaphragm is housed between described valve body and described valve gap, there is between described diaphragm and described valve gap a control room, be provided with the first control mouth, second in described control room and control mouth and the 3rd control mouth, described valve body inlet passage controls mouth UNICOM by import barrier pipeline and described first; Described valve outlet passage controls mouth by control of export pipeline and described second and is communicated with; Described 3rd controls mouth is communicated with by outlet passage set by level pressure pilot valve, Relief pilot valve and described valve body, and the control end of level pressure pilot valve is communicated with described valve body inlet passage by conduit, and described valve body inlet passage is provided with descaler.
Further, described valve core structure comprises the Compress Spring be sleeved on the sealing bolt of described valve body side, spool is connected with the end of described Compress Spring, described valve body is positioned at spool both sides and is respectively equipped with intake tunnel and exhalant canal, the side of the sealing bolt be connected with described Compress Spring is also provided with pressure regulator.
Particularly, described pressure regulator is the threaded stem be connected with described sealing bolt, drives described sealing bolt to move by the rotation of described threaded stem.
Further, described descaler is two magnet rings being separately positioned in described reduction valve intake tunnel and exhalant canal.
The utility model provides a kind of water pump Multifunction pressure-reducing valve, comprise a main valve, described main valve is made up of valve body, valve core structure, valve gap, one diaphragm is housed between described valve body and described valve gap, there is between described diaphragm and described valve gap a control room, be provided with the first control mouth, second in described control room and control mouth and the 3rd control mouth, described valve body inlet passage controls mouth UNICOM by import barrier pipeline and described first, described valve outlet passage controls mouth by control of export pipeline and described second and is communicated with, described 3rd controls mouth by level pressure pilot valve, set by Relief pilot valve and described valve body, outlet passage is communicated with, the control end of level pressure pilot valve is communicated with described valve body inlet passage by conduit, by the inlet and outlet pressure of main valve is introduced control room respectively, level pressure pilot valve and Relief pilot valve are set between control room and valve outlet passage, the unlatching of level pressure pilot valve is controlled by valve body inlet passage pressure medium, when the setting pressure of main valve inlet pressure lower than level pressure pilot valve, main valve is in closed condition, achieve valve closing startup water pump and can reduce startup energy consumption, regulate Relief pilot valve can set Main valve outlet pressure, have energy-conservation, voltage stabilizing, slow open and close, eliminate the advantages such as water hammer.Be provided with descaler at described valve body inlet passage, catharsis is served to the water in valve body, too increase the working life of reduction valve in structure simply simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The water pump Multifunction pressure-reducing valve structural representation that Fig. 1 provides for the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As Fig. 1, the utility model embodiment provides a kind of water pump Multifunction pressure-reducing valve 1, comprise a main valve 11, described main valve 11 is made up of valve body 111, valve core structure 112, valve gap 113, one diaphragm 114 is housed between described valve body 111 and described valve gap 113, there is between described diaphragm 114 and described valve gap 113 control room 115, be provided with the first control mouth 116, second in described control room 115 and control mouth 117 and the 3rd control mouth 118, described valve body 111 inlet passage controls mouth 116 UNICOM by import barrier pipeline and described first, described valve body 111 outlet passage controls mouth 117 by control of export pipeline and described second and is communicated with, described 3rd controls mouth 118 by level pressure pilot valve 12, set by Relief pilot valve 13 and described valve body 111, outlet passage is communicated with, the control end of level pressure pilot valve 12 is communicated with described valve body 111 inlet passage by conduit, by the inlet and outlet pressure of main valve 11 is introduced control room 115 respectively, level pressure pilot valve 12 and Relief pilot valve 13 are set between control room 115 and valve body 111 outlet passage, the unlatching of level pressure pilot valve 12 is controlled by valve body 111 inlet passage pressure medium, when the setting pressure of main valve 11 inlet pressure lower than level pressure pilot valve 12, main valve 11 is in closed condition, achieve valve closing startup water pump and can reduce startup energy consumption, regulate Relief pilot valve 13 can set main valve 11 outlet pressure, have energy-conservation, voltage stabilizing, slow open and close, eliminate the advantages such as water hammer.Be provided with descaler 14 at described valve body 111 inlet passage, catharsis served to the water in valve body 111, too increases the working life of reduction valve 1 in structure simply simultaneously.
In embody rule, as Fig. 1, described valve core structure 112 comprises the Compress Spring be sleeved on the sealing bolt of described valve body 111 side, spool is connected with the end of described Compress Spring, described valve body 111 is positioned at spool both sides and is respectively equipped with intake tunnel and exhalant canal, the side of the sealing bolt be connected with described Compress Spring is also provided with pressure regulator.Particularly, described pressure regulator is the threaded stem be connected with described sealing bolt, drives described sealing bolt to move by the rotation of described threaded stem.
Further, described descaler 14 is two magnet rings being separately positioned in described reduction valve intake tunnel and exhalant canal.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. a water pump Multifunction pressure-reducing valve, it is characterized in that, comprise a main valve, described main valve is made up of valve body, valve core structure, valve gap, one diaphragm is housed between described valve body and described valve gap, have a control room between described diaphragm and described valve gap, be provided with the first control mouth, second in described control room and control mouth and the 3rd control mouth, described valve body inlet passage controls mouth UNICOM by import barrier pipeline and described first; Described valve outlet passage controls mouth by control of export pipeline and described second and is communicated with; Described 3rd controls mouth is communicated with by outlet passage set by level pressure pilot valve, Relief pilot valve and described valve body, and the control end of level pressure pilot valve is communicated with described valve body inlet passage by conduit, and described valve body inlet passage is provided with descaler.
2. water pump Multifunction pressure-reducing valve as claimed in claim 1, it is characterized in that: described valve core structure comprises the Compress Spring be sleeved on the sealing bolt of described valve body side, spool is connected with the end of described Compress Spring, described valve body is positioned at spool both sides and is respectively equipped with intake tunnel and exhalant canal, the side of the sealing bolt be connected with described Compress Spring is also provided with pressure regulator.
3. water pump Multifunction pressure-reducing valve as claimed in claim 2, is characterized in that: described pressure regulator is the threaded stem be connected with described sealing bolt, drives described sealing bolt to move by the rotation of described threaded stem.
4. water pump Multifunction pressure-reducing valve as claimed in claim 1, is characterized in that: described descaler is two magnet rings being separately positioned in described reduction valve intake tunnel and exhalant canal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420861243.XU CN204403470U (en) | 2014-12-31 | 2014-12-31 | A kind of water pump Multifunction pressure-reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420861243.XU CN204403470U (en) | 2014-12-31 | 2014-12-31 | A kind of water pump Multifunction pressure-reducing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204403470U true CN204403470U (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420861243.XU Expired - Fee Related CN204403470U (en) | 2014-12-31 | 2014-12-31 | A kind of water pump Multifunction pressure-reducing valve |
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| CN (1) | CN204403470U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105757303A (en) * | 2016-03-29 | 2016-07-13 | 上海康措流体控制有限公司 | Pressure control system for aircraft refueling |
| CN109723971A (en) * | 2019-03-01 | 2019-05-07 | 青岛国胜焊割设备有限公司 | A kind of automatic voltage regulator and cutting equipment |
| CN111895208A (en) * | 2020-07-31 | 2020-11-06 | 温州职业技术学院 | Self-slow control water-proof hammer valve |
| CN113202956A (en) * | 2021-03-22 | 2021-08-03 | 南通市力沛流体阀业有限公司 | Built-in multi-functional check valve that has slowly closed structure |
| CN116181940A (en) * | 2023-04-26 | 2023-05-30 | 青岛开元阀门有限公司 | Air pressure reducing valve for ship |
-
2014
- 2014-12-31 CN CN201420861243.XU patent/CN204403470U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105757303A (en) * | 2016-03-29 | 2016-07-13 | 上海康措流体控制有限公司 | Pressure control system for aircraft refueling |
| CN105757303B (en) * | 2016-03-29 | 2018-07-31 | 上海康措流体控制有限公司 | A kind of control pressurer system for aircraft refuelling |
| CN109723971A (en) * | 2019-03-01 | 2019-05-07 | 青岛国胜焊割设备有限公司 | A kind of automatic voltage regulator and cutting equipment |
| CN111895208A (en) * | 2020-07-31 | 2020-11-06 | 温州职业技术学院 | Self-slow control water-proof hammer valve |
| CN111895208B (en) * | 2020-07-31 | 2021-09-14 | 温州职业技术学院 | Self-slow control water-proof hammer valve |
| CN113202956A (en) * | 2021-03-22 | 2021-08-03 | 南通市力沛流体阀业有限公司 | Built-in multi-functional check valve that has slowly closed structure |
| CN116181940A (en) * | 2023-04-26 | 2023-05-30 | 青岛开元阀门有限公司 | Air pressure reducing valve for ship |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150617 Termination date: 20181231 |