CN203656300U - Pressure reducing valve - Google Patents
Pressure reducing valve Download PDFInfo
- Publication number
- CN203656300U CN203656300U CN201320775143.0U CN201320775143U CN203656300U CN 203656300 U CN203656300 U CN 203656300U CN 201320775143 U CN201320775143 U CN 201320775143U CN 203656300 U CN203656300 U CN 203656300U
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- Prior art keywords
- diaphragm
- pull bar
- lever
- pressure
- valve
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- Expired - Lifetime
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- 230000001105 regulatory effect Effects 0.000 claims abstract description 25
- 230000009467 reduction Effects 0.000 claims description 45
- 230000006837 decompression Effects 0.000 claims description 15
- 230000008602 contraction Effects 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 5
- 239000012530 fluid Substances 0.000 description 15
- 230000008859 change Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005422 blasting Methods 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Abstract
The utility model discloses a pressure reducing valve which comprises a valve body, a diaphragm, a valve, a pressure regulating component, a controller and a level component. A containing cavity is formed in the valve body. The diaphragm is arranged in the containing cavity and divides the containing cavity into a pressure regulating cavity and a pressure reducing cavity, and an inlet and an outlet are formed in the wall of the pressure reducing cavity. The valve is movably arranged on the valve body between an opening position with the inlet opened and a close position with the inlet closed. The pressure regulating component is arranged in the pressure regulating cavity, and the pressure regulating component and the diaphragm are connected so as to drive a part of the diaphragm to move in the containing cavity. The controller is used for regulating the pressure regulating component and connected with the pressure regulating component. The lever component is arranged in the pressure reducing cavity and respectively connected with the diaphragm and the valve. The pressure reducing valve has the advantages of being high automation degree, wide in pressure regulating range, high in pressure regulating precision and the like.
Description
Technical field
The utility model relates to a kind of reduction valve.
Background technique
Reduction valve is a kind of valve that reduces working pressure of pipeline.Existing reduction valve is to be revolved with the pretightening force of the length spring that also change contacts with bolt and adjusted mouth pressure by the bolt in manual adjustment conditioning chamber.This regulative mode exist adjust precision low, regulate the speed slow and be not easy to the defect of adjusting.
Model utility content
The utility model is intended at least solve one of technical problem existing in prior art.For this reason, an object of the present utility model is to propose a kind of reduction valve.
To achieve these goals, according to the utility model proposes a kind of reduction valve, described reduction valve comprises: valve body, has receiving cavity in described valve body; Diaphragm, described diaphragm is located in described receiving cavity and described receiving cavity is divided into pressure regulating cavity and relief chamber, and the wall of wherein said relief chamber is provided with entrance and exit; Valve, described valve is located on described valve body movably opening the open position of described entrance and close between the closed position of described entrance; Pressure adjusting part, described pressure adjusting part is located in described pressure regulating cavity, and described pressure adjusting part is connected with described diaphragm to drive a part for described diaphragm to move in described receiving cavity; For regulating the controller of described pressure adjusting part, described controller is connected with described pressure adjusting part; And lever assembly, described lever assembly is located in described relief chamber, and described lever assembly is connected with described valve with described diaphragm respectively.
The pressure adjusting part being connected with described diaphragm by setting according to reduction valve of the present utility model and the described controller being connected with described pressure adjusting part, thereby can regulate described pressure adjusting part by described controller, act on the active force on described diaphragm to can change described pressure adjusting part, can regulate thus the pressure that flows out the fluid of described relief chamber from described outlet.Therefore, according to reduction valve of the present utility model have that automaticity is high, pressure regulation range is wide, pressure degree of regulation is high, be convenient to the advantages such as adjustment.
In addition, also there is following additional technical feature according to reduction valve of the present utility model:
Described pressure adjusting part comprises: solenoid, and described solenoid is connected with described controller; Pull bar, described pull bar is located in described solenoid movably, and described pull bar is connected with described diaphragm; And elastic component, one end of described elastic component is connected with the wall of described pressure regulating cavity and the other end is connected with described pull bar.Can make thus the structure of described pressure adjusting part more reasonable.
Described solenoid comprises insulation framework and be wrapped in the wire in described insulation framework, and described wire is connected with described controller.Can make thus described solenoidal structure more reasonable.
Described reduction valve also comprises connector assembly, and described connector assembly is located on described valve body, and at least a portion of described connector assembly is positioned at outside described receiving cavity, and wherein said connector assembly is connected with described controller with described wire respectively.By described connector assembly is set, thus can be more easily, easily described wire and described controller are linked together.
Described pull bar is located at movably in described solenoid between initial position and adjusted position, described in when wherein said pull bar is positioned at described initial position, elastic component is in the first deformed state, when described pull bar is positioned at described adjusted position described in elastic component in the second deformed state.Can further expand thus the pressure regulation range of described reduction valve, further improve the pressure degree of regulation of described reduction valve.
The side face of described pull bar is provided with mounting groove, and the other end of described elastic component is provided with contraction flow region, and described contraction flow region is engaged in described mounting groove, and the diameter of wherein said contraction flow region is less than the diameter of described pull bar.Can make thus described elastic component and described pull bar more easily, link together securely.
Described reduction valve also comprises guide rail, and described guide rail is provided with guide groove, and wherein said guide rail is located in described solenoid, and described pull bar is located in described guide groove movably.Not only can make thus described pull bar more stably move, and can make described pull bar move along desired trajectory.
Described valve is located at pivotly in described relief chamber between described open position and described closed position, and described lever assembly comprises: the first lever, and one end of described the first lever is connected with described diaphragm; With the second lever, one end of described the second lever is connected with described valve, and described the second lever and described the first lever are hinged.Can make thus the structure of described reduction valve more reasonable.
Described reduction valve also comprises the pressure detector for detection of the pressure in described relief chamber, and described pressure detector is located in described relief chamber and contiguous described outlet, and described pressure detector is connected with described controller.Can further improve thus the pressure degree of regulation of described reduction valve.
Described reduction valve also comprises Decompression valves, and described Decompression valves is located on described valve body, and the first opening of described Decompression valves is communicated with described relief chamber, and the second opening of described Decompression valves is in communication with the outside.Can improve thus the Security of described reduction valve.
Additional aspect of the present utility model and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage accompanying drawing below combination is understood becoming embodiment's description obviously and easily, wherein:
Fig. 1 is according to the structural representation of the utility model embodiment's reduction valve;
Fig. 2 is according to the partial structurtes schematic diagram of the pressure adjusting part of the utility model embodiment's reduction valve.
Embodiment
Describe embodiment of the present utility model below in detail, described embodiment's example is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment who is described with reference to the drawings, only for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", orientation or the position relationship of indications such as " outward " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second " be only for describing object, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characteristics.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be also electrical connection; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand the concrete meaning of above-mentioned term in the utility model.
Describe according to the utility model embodiment's reduction valve 10 below with reference to Fig. 1 and Fig. 2.As depicted in figs. 1 and 2, according to the utility model embodiment's reduction valve 10 comprise valve body 101, diaphragm 102, valve 103, pressure adjusting part 104, for regulating controller (not shown) and the lever assembly 105 of pressure adjusting part 104.
In valve body 101, have receiving cavity, diaphragm 102 is located in described receiving cavity and described receiving cavity is divided into pressure regulating cavity 1011 and relief chamber 1012 by diaphragm 102, and wherein the wall of relief chamber 1012 is provided with entrance 1013 and outlet 1014.Valve 103 is located on valve body 101 movably opening the open position of entrance 1013 and close between the closed position of entrance 1013.Pressure adjusting part 104 is located in pressure regulating cavity 1011, and pressure adjusting part 104 is connected so that the part with dynamic diaphragm 102 moves in described receiving cavity with diaphragm 102.Described controller is connected with pressure adjusting part 104.Lever assembly 105 is located in relief chamber 1012, and lever assembly 105 is connected with valve 103 with diaphragm 102 respectively.
Wherein, for can for example, moving in described receiving cavity with a part for dynamic diaphragm 102 (middle part of diaphragm 102) with dynamic diaphragm 102 mobile pressure adjusting part 104 in described receiving cavity.Can under the drive of diaphragm 102, move for the lever assembly 105 moving with movable valve 103, and then can be with movable valve 103 to move.
Move up and describe according to the working procedure of the utility model embodiment's reduction valve 10 into example at upper and lower below with reference to Fig. 1 and Fig. 2 and with diaphragm 102.Fluid (for example gas) is pushed valve 103 open and is entered in relief chamber 1012 from entrance 1013.Along with the inflow of fluid, a part for diaphragm 102 moves upward under the active force of fluid.Because diaphragm 102 is connected with lever assembly 105, therefore diaphragm 102 can drive lever assembly 105 to move up together.Meanwhile, because lever assembly 105 is connected with valve 103, therefore lever assembly 105 can be with movable valve 103 to move to described closed position from described open position.When enter into fluid in relief chamber 1012 reach a certain amount of after, a part for diaphragm 102 moves upward to extreme higher position, and reaches stress balance state, now valve 103 is closed completely, fluid no longer enters in relief chamber 1012.Wherein, above-below direction is as in Figure 1 and Figure 2 shown in arrow A.
Along with fluid flows out relief chamber 1012, the pressure decreased of the fluid in relief chamber 1012, stress balance on diaphragm 102 is destroyed, the active force being applied on the upper surface of diaphragm 102 is greater than the active force on the lower surface that is applied to diaphragm 102, thereby can make a part for diaphragm 102 move down.And then diaphragm 102 can drive lever assembly 105 to move, lever assembly 105 can be with movable valve 103 to open subsequently, and fluid enters in relief chamber 1012 from entrance 1013 again, then repeats said process.Wherein, can regulate pressure adjusting part 104 by described controller, to change the active force that pressure adjusting part 104 acts on diaphragm 102.The active force acting on diaphragm 102 by changing pressure adjusting part 104, can change the pressure of the fluid from exporting 1014 outflow relief chambers 1012.
The pressure adjusting part 104 being connected with diaphragm 102 by setting according to the utility model embodiment's reduction valve 10 and the described controller being connected with pressure adjusting part 104, thereby can regulate pressure adjusting part 104 by described controller, act on the active force on diaphragm 102 to can change pressure adjusting part 104, can regulate thus the pressure of the fluid from exporting 1014 outflow relief chambers 1012.Therefore, according to the utility model embodiment's reduction valve 10 have that automaticity is high, pressure regulation range is wide, pressure degree of regulation is high, be convenient to the advantages such as adjustment.
Particularly, valve body 101 can comprise upper valve body and lower valve body, and described upper valve body and described lower valve body are installed together, and the edge of diaphragm 102 is clamped between described upper valve body and described lower valve body.
As shown in Figure 2, in embodiments more of the present utility model, pressure adjusting part 104 can comprise solenoid 1041, pull bar 1042 and elastic component 1043.Solenoid 1041 can be connected with described controller.Pull bar 1042 can be located in solenoid 1041 (solenoid 1041 is interior can have holding space) movably, and pull bar 1042 can be connected with diaphragm 102.One end of elastic component 1043 can be connected with the wall of pressure regulating cavity 1011, and the other end of elastic component 1043 can be connected with pull bar 1042.Can make thus the structure of pressure adjusting part 104 more reasonable.
Particularly, described controller can be by carry electric current to make pull bar 1042 in the interior movement of solenoid 1041 to solenoid 1041, and then pull bar 1042 can move with a part for dynamic diaphragm 102.Described controller can act on the active force on diaphragm 102 by regulating the size and Orientation of the electric current of carrying to solenoid 1041 to change pull bar 1042, can regulate thus the pressure of the fluid from exporting 1014 outflow relief chambers 1012.Wherein, by regulating the size of the electric current carried to solenoid 1041, solenoid 1041 magnetic intensity around can be changed, thereby pull bar 1042 can be changed and act on the size of the active force on diaphragm 102.By regulating the sense of current of carrying to solenoid 1041, can change the direction through the magnetic line of force in the middle of solenoid 1041, thereby can change pull bar 1042 and act on the direction of the active force on diaphragm 102.
Advantageously, solenoid 1041 can comprise insulation framework 10411 and be wrapped in the wire (not shown) in insulation framework 10411, and described wire can be connected with described controller.Can make thus the structure of solenoid 1041 more reasonable.
As shown in Figure 1, reduction valve 10 can also comprise connector assembly 106, and connector assembly 106 can be located on valve body 101, and at least a portion of connector assembly 106 can be positioned at outside described receiving cavity.Wherein, connector assembly 106 can be connected with described controller with described wire respectively.By connector assembly 106 is set, thus can be more easily, easily described wire and described controller are linked together.
Particularly, connector assembly 106 can be located on the outer surface of valve body 101.Described wire can be enameled cable, and the starting point of described wire can be welded on two stitch of connector assembly 106.Connector assembly 106 can be connected with described controller by elastic cable paper.
As shown in Figure 2, in a concrete example of the present utility model, on the side face of pull bar 1042, can be provided with mounting groove 10421, on the other end of elastic component 1043, can be provided with contraction flow region 10431, contraction flow region 10431 can be engaged in mounting groove 10421, and wherein the diameter of contraction flow region 10431 can be less than the diameter of pull bar 1042.Can make thus elastic component 1043 and pull bar 1042 more easily, link together securely.
Pull bar 1042 can be located at movably in solenoid 1041 between initial position and adjusted position.Wherein, when pull bar 1042 is positioned at described initial position, elastic component 1043 can be in the first deformed state, and when pull bar 1042 is positioned at described adjusted position, elastic component 1043 can be in the second deformed state.Can further expand thus the pressure regulation range of reduction valve 10, further improve the pressure degree of regulation of reduction valve 10.
As shown in Figure 2, in examples more of the present utility model, reduction valve 10 can also comprise guide rail 107, on guide rail 107, can be provided with guide groove.Wherein, guide rail 107 can be located in solenoid 1041, and pull bar 1042 can be located in described guide groove movably.Not only can make thus pull bar 1042 more stably move, and can make pull bar 1042 move along desired trajectory.
Advantageously, as shown in Figure 1, valve 103 can be located at pivotly in relief chamber 1012 between described open position and described closed position.Lever assembly 105 can comprise the first lever 1051 and the second lever 1052.One end of the first lever 1051 can be connected with diaphragm 102, and one end of the second lever 1052 can be connected with valve 103, and the second lever 1052 can be hinged with the first lever 1051.Can make thus the structure of reduction valve 10 more reasonable.
Because one end of the first lever 1051 is connected with diaphragm 102, therefore diaphragm 102 can drive the first lever 1051 to move.For example, diaphragm 102 can drive the first lever 1051 to move up, and the first lever 1051 can be the montant in lever assembly 105.Due to the second lever 1052 and the first lever 1051 hinged, therefore in the time that the first lever 1051 moves up, the first lever 1051 can drive the second lever 1052 to rotate.For example, the second lever 1052 can be the cross bar in lever assembly 105.Because the second lever 1052 is connected with valve 103, therefore the second lever 1052 can be with movable valve 103 to move to described closed position from described open position.
As shown in Figure 1, in an embodiment of the present utility model, reduction valve 10 can also comprise the pressure detector 108 for detection of the pressure in relief chamber 1012, pressure detector 108 can be located in relief chamber 1012, and pressure detector 108 can be close to outlet 1014, and pressure detector 108 can be connected with described controller.
Due to the contiguous outlet 1014 of pressure detector 108, therefore pressure detector 108 can detect the pressure of the fluid at outlet 1014 places.And, pressure detector 108 can feed back to detected pressure value described controller, described controller can regulate (size and Orientation that for example regulates the electric current of carrying to solenoid 1041) to pressure adjusting part 104 according to the detected pressure value of pressure detector 108, thereby can make the pressure of the fluid that exports 1014 places approach predetermined pressure, can further improve thus the pressure degree of regulation of reduction valve 10.Particularly, pressure detector 108 can be pressure transducer.
In an example of the present utility model, as shown in Figure 1, reduction valve 10 can also comprise Decompression valves 109, and Decompression valves 109 can be located on valve body 101, the first opening of Decompression valves 109 can be communicated with relief chamber 1012, and the second opening of Decompression valves 109 can be in communication with the outside.
In the time that the pressure in relief chamber 1012 exceedes burst pressure force, Decompression valves 109 can be unlocked under the effect of high pressure, fluid in relief chamber 1012 can enter in Decompression valves 109 by described the first opening, and then be discharged in external environment by described the second opening, thereby can be by the pressure decreased in relief chamber 1012 to below burst pressure force.By Decompression valves 109 is set, thereby can prevent from blasting because of the pressure sharp increase in relief chamber 1012 (for example, because exporting the 1014 blocked pressure sharp increase that cause in relief chamber 1012), can improve thus the Security of reduction valve 10.
In the description of this specification, the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiments or example.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: in the situation that not departing from principle of the present utility model and aim, can carry out multiple variation, modification, replacement and modification to these embodiments, scope of the present utility model is limited by claim and equivalent thereof.
Claims (10)
1. a reduction valve, is characterized in that, comprising:
Valve body, has receiving cavity in described valve body;
Diaphragm, described diaphragm is located in described receiving cavity and described receiving cavity is divided into pressure regulating cavity and relief chamber, and the wall of wherein said relief chamber is provided with entrance and exit;
Valve, described valve is located on described valve body movably opening the open position of described entrance and close between the closed position of described entrance;
Pressure adjusting part, described pressure adjusting part is located in described pressure regulating cavity, and described pressure adjusting part is connected with described diaphragm to drive a part for described diaphragm to move in described receiving cavity;
For regulating the controller of described pressure adjusting part, described controller is connected with described pressure adjusting part; With
Lever assembly, described lever assembly is located in described relief chamber, and described lever assembly is connected with described valve with described diaphragm respectively.
2. reduction valve according to claim 1, is characterized in that, described pressure adjusting part comprises:
Solenoid, described solenoid is connected with described controller;
Pull bar, described pull bar is located in described solenoid movably, and described pull bar is connected with described diaphragm; With
Elastic component, one end of described elastic component is connected with the wall of described pressure regulating cavity and the other end is connected with described pull bar.
3. reduction valve according to claim 2, is characterized in that, described solenoid comprises insulation framework and be wrapped in the wire in described insulation framework, and described wire is connected with described controller.
4. reduction valve according to claim 3, it is characterized in that, also comprise connector assembly, described connector assembly is located on described valve body, at least a portion of described connector assembly is positioned at outside described receiving cavity, and wherein said connector assembly is connected with described controller with described wire respectively.
5. reduction valve according to claim 2, it is characterized in that, described pull bar is located at movably in described solenoid between initial position and adjusted position, described in when wherein said pull bar is positioned at described initial position, elastic component is in the first deformed state, when described pull bar is positioned at described adjusted position described in elastic component in the second deformed state.
6. reduction valve according to claim 2, it is characterized in that, the side face of described pull bar is provided with mounting groove, and the other end of described elastic component is provided with contraction flow region, described contraction flow region is engaged in described mounting groove, and the diameter of wherein said contraction flow region is less than the diameter of described pull bar.
7. reduction valve according to claim 2, is characterized in that, also comprises guide rail, and described guide rail is provided with guide groove, and wherein said guide rail is located in described solenoid, and described pull bar is located in described guide groove movably.
8. reduction valve according to claim 1, is characterized in that, described valve is located at pivotly in described relief chamber between described open position and described closed position, and described lever assembly comprises:
The first lever, one end of described the first lever is connected with described diaphragm; With
The second lever, one end of described the second lever is connected with described valve, and described the second lever and described the first lever are hinged.
9. reduction valve according to claim 1, it is characterized in that, also comprise the pressure detector for detection of the pressure in described relief chamber, described pressure detector is located in described relief chamber and contiguous described outlet, and described pressure detector is connected with described controller.
10. reduction valve according to claim 1, is characterized in that, also comprises Decompression valves, and described Decompression valves is located on described valve body, and the first opening of described Decompression valves is communicated with described relief chamber, and the second opening of described Decompression valves is in communication with the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320775143.0U CN203656300U (en) | 2013-11-29 | 2013-11-29 | Pressure reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320775143.0U CN203656300U (en) | 2013-11-29 | 2013-11-29 | Pressure reducing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203656300U true CN203656300U (en) | 2014-06-18 |
Family
ID=50922688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320775143.0U Expired - Lifetime CN203656300U (en) | 2013-11-29 | 2013-11-29 | Pressure reducing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203656300U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081973A (en) * | 2020-09-30 | 2020-12-15 | 上海燃料电池汽车动力系统有限公司 | Lever type pressure reducing valve and regulating and controlling method thereof |
-
2013
- 2013-11-29 CN CN201320775143.0U patent/CN203656300U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081973A (en) * | 2020-09-30 | 2020-12-15 | 上海燃料电池汽车动力系统有限公司 | Lever type pressure reducing valve and regulating and controlling method thereof |
| CN112081973B (en) * | 2020-09-30 | 2022-06-17 | 上海燃料电池汽车动力系统有限公司 | Lever type pressure reducing valve and regulating and controlling method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140618 |
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| CX01 | Expiry of patent term |