CN204985903U - Precise pressure reducing valve - Google Patents
Precise pressure reducing valve Download PDFInfo
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- CN204985903U CN204985903U CN201520663978.6U CN201520663978U CN204985903U CN 204985903 U CN204985903 U CN 204985903U CN 201520663978 U CN201520663978 U CN 201520663978U CN 204985903 U CN204985903 U CN 204985903U
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Abstract
The utility model discloses a precise pressure reducing valve, including valve body, steady voltage seat, valve gap, adjusting handle, pressure regulating spring, steady voltage diaphragm assembly, overflow diaphragm assembly, case and locking lid, steady voltage diaphragm assembly includes steady voltage top, first steady voltage dish, first diaphragm, middle cover and second diaphragm, is provided with a reset spring between steady voltage top and the steady voltage seat, extend respectively the upper end of steady voltage seat has the boss, enclose the barrel that covers in the boss periphery, and the boss is provided with the air guide hole with second cavity intercommunication, and the top of boss is provided with the steel ball, the top of barrel be provided with with steel ball backstop complex jump ring piece, overflow diaphragm assembly includes the tray seat, and third diaphragm and fourth diaphragm are provided with the tray, correspond complex tray lid with the tray between third diaphragm and the fourth diaphragm. The utility model discloses the effect that processing is convenient, manufacturing cost is lower, assembly is swift, the steel ball resets is better, steady voltage and the earial drainage effect is better, the pressure regulating precision is higher, the working property stability.
Description
Technical field
The utility model relates to reduction valve technical field, particularly a kind of precise pressure-reducing valve.
Background technique
Reduction valve is the outlet pressure by regulating action, inlet pressure being reduced to a certain needs, and relies on the energy of medium itself, makes the valve that outlet pressure keeps stable automatically, applies comparatively extensive, in all trades and professions known by people.Reduction valve common on the market at present, its structure generally includes valve body, voltage stabilizing seat, valve gap, adjusting handle, pressure adjusting spring, voltage stabilizing diaphragm unit, overflow diaphragm unit, spool and tightening cover, valve body is provided with suction port and air outlet, valve gap, voltage stabilizing seat, valve body and tightening cover are fixedly connected sequentially from top to bottom, voltage stabilizing diaphragm unit is arranged between valve gap and voltage stabilizing seat, overflow diaphragm unit is arranged between voltage stabilizing seat and valve body, the first chamber be communicated with air outlet is formed between valve body with overflow diaphragm unit, the second chamber is formed between overflow diaphragm unit and voltage stabilizing seat, the 3rd chamber is formed between voltage stabilizing seat and voltage stabilizing diaphragm unit, voltage stabilizing diaphragm unit inside is formed with pressure stabilizing cavity, overflow diaphragm unit inside is formed with spill cavity, valve body is provided with the main valve hole by suction port and the first chamber, nozzle is provided with in voltage stabilizing seat, the top of nozzle is provided with the steel ball matched with nozzle, the upper end of voltage stabilizing seat is extended with cylindrical shell, in steel ball to be enclosed in by top cover by the top of cylindrical shell, the middle part of top cover is provided with the some through holes with the 3rd chamber, voltage stabilizing seat is also provided with the drain boles be communicated with air by the 3rd chamber, overflow diaphragm unit is respectively arranged with the overflow hole be communicated with spill cavity by the first chamber, by the relief hole that spill cavity is communicated with air, valve body, overflow diaphragm unit and voltage stabilizing seat are equipped with the internal pilot passage by suction port and the second chamber, valve body, overflow diaphragm unit, voltage stabilizing seat and voltage stabilizing diaphragm unit are equipped with the pressure feedback passage be communicated with pressure stabilizing cavity air outlet, adjusting handle is arranged at the top of valve gap by screw rod, the lower end of screw rod is inserted in valve gap, upper end and the screw rod of pressure adjusting spring offset, lower end and the voltage stabilizing diaphragm unit of pressure adjusting spring offset, spool is arranged in valve body and also can moves up and down along tightening cover, Returnning spring is provided with between the bottom of spool and described tightening cover, spool upper end is passed main valve hole and is sealed and matched with overflow hole.
The working principle of above-mentioned pressure regulator valve is: under original state, spool shutoff main valve hole, the air pressure of suction port enters in the second chamber through internal pilot passage, when adjusting handle and pressure adjusting spring coordinate the pressure-regulating device formed not produce pressure, certain gap is there is between steel ball and nozzle, gas in second chamber is flowed in the 3rd chamber, and is expelled to air through drain boles, now air outlet is without pressure, when turn adjusting handle applies pressure to pressure adjusting spring, pressure adjusting spring promotes voltage stabilizing diaphragm unit and moves down and produce pressure by top cover to steel ball, steel ball shutoff nozzle is impelled to hinder the air pressure of the second chamber to leak speed, thus make the air pressure of the second chamber increase and promote overflow diaphragm unit downwards, overflow diaphragm unit promotes spool and opens main valve hole, the air pressure of suction port is made to pour in the first chamber and drain into air outlet, a part of air pressure of air outlet enters pressure stabilizing cavity through pressure feedback passage, when the pressure balance that the pressure in pressure stabilizing cavity and pressure adjusting spring produce, voltage stabilizing diaphragm unit moves and makes steel ball release of pressure, pressure portion now in the second chamber leaks, impel on overflow diaphragm unit and spool and move reset, main valve hole is closed, once circulate end.When the setting pressure of air outlet pressure again lower than pressure adjusting spring, new circulation starts again.
But, above-mentioned reduction valve because of vibrational power flow unreasonable, usually there is following defect in actual use: the first, owing to arranging nozzle separately in voltage stabilizing seat, cause manufacture cost higher, and add assembly process, improve assembling difficulty; The second, owing to adopting top cover to be enclosed in cylindrical shell by steel ball, and on top cover, arrange some through holes, not only vibrational power flow is comparatively complicated, and difficulty of processing is comparatively large, and the reset effect of steel ball is not good, affects the service behaviour of valve; 3rd, due to voltage stabilizing diaphragm unit and overflow diaphragm unit vibrational power flow unreasonable, cause assembling difficulty comparatively large, voltage stabilizing and earial drainage poor effect, when making work, regulation precision is lower, and service behaviour is stable not.
Model utility content
The purpose of this utility model is defect for prior art and deficiency, provide a kind of simple and reasonable, easy to process, manufacture cost is lower, assembling is quick, steel ball reset effect better, voltage stabilizing and earial drainage effect better, the precise pressure-reducing valve of higher, the stable work in work of regulation precision.
For achieving the above object, the utility model is by the following technical solutions:
Precise pressure-reducing valve described in the utility model, comprise valve body, voltage stabilizing seat, valve gap, adjusting handle, pressure adjusting spring, voltage stabilizing diaphragm unit, overflow diaphragm unit, spool and tightening cover, described valve body is provided with suction port and air outlet, described valve gap, described voltage stabilizing seat, described valve body and described tightening cover are fixedly connected sequentially from top to bottom, described voltage stabilizing diaphragm unit is arranged between described valve gap and described voltage stabilizing seat, described overflow diaphragm unit is arranged between described voltage stabilizing seat and described valve body, the first chamber be communicated with described air outlet is formed between described valve body with described overflow diaphragm unit, the second chamber is formed between described overflow diaphragm unit and described voltage stabilizing seat, the 3rd chamber is formed between described voltage stabilizing seat and described voltage stabilizing diaphragm unit, described valve body is provided with the main valve hole by described suction port and described first chamber, described voltage stabilizing seat is provided with the drain boles be communicated with air by described 3rd chamber, described spool to be arranged in described valve body and to be sealed and matched with described main valve hole, described spool can move up and down along described tightening cover, reposition element is provided with between the bottom of described spool and described tightening cover, described adjusting handle is arranged at the top of described valve gap by screw rod, the lower end of described screw rod is inserted in described valve gap, upper end and the described screw rod of described pressure adjusting spring offset,
Described voltage stabilizing diaphragm unit comprises voltage stabilizing top, the outer wall of described voltage stabilizing top is closely arranged with the first voltage stabilizing dish, primary diaphragm, middle cover and secondary diaphragm from top to bottom successively, lower end and the described primary diaphragm of described pressure adjusting spring offset, the second voltage stabilizing dish is provided with between described voltage stabilizing seat and described valve gap, the periphery of described primary diaphragm is to being located between described valve gap and described second voltage stabilizing dish, the periphery of described secondary diaphragm, to being located between described second voltage stabilizing dish and described voltage stabilizing seat, is provided with the first Returnning spring between described voltage stabilizing top and described voltage stabilizing seat;
The upper end of described voltage stabilizing seat is extended with boss respectively, encloses the cylindrical shell being overlying on described boss periphery, described boss is provided with the gas port with described second chamber, the top of described boss is provided with steel ball, the second Returnning spring is provided with between described steel ball and described voltage stabilizing seat, the top of described cylindrical shell is provided with the Clip Reed with described steel ball counter stopper, the periphery of described steel ball stretches out the outside of described Clip Reed, and the bottom of described voltage stabilizing top is provided with the voltage stabilizing thimble coordinated that to offset with described steel ball;
Described overflow diaphragm unit comprises tray seat, to being provided with tertiary membrane sheet between the upper end of described tray seat and described voltage stabilizing seat, to being provided with the 4th diaphragm between the lower end of described tray seat and described valve body, be provided with between described tertiary membrane sheet and described 4th diaphragm pallet, with the pallet cover of described pallet corresponding matching, the center of described 4th diaphragm is embedded with diaphragm seat;
Described valve body, described tray seat and described voltage stabilizing seat are equipped with the internal pilot passage by described suction port and described second chamber; Be formed with pressure stabilizing cavity between described primary diaphragm, described second voltage stabilizing dish, described secondary diaphragm and middle cover, described valve body, described tray seat, described voltage stabilizing seat and described second voltage stabilizing dish are equipped with the pressure feedback passage be communicated with described pressure stabilizing cavity described air outlet;
Spill cavity is formed between described tertiary membrane sheet, described tray seat, described 4th diaphragm and described diaphragm seat, the center of described diaphragm seat is provided with the overflow hole be communicated with described spill cavity by described first chamber, described tray seat is provided with the relief hole be communicated with air by described spill cavity, and the upper end of described spool is passed described main valve hole and is sealed and matched with described overflow hole.
Further, the top of described spool is provided with rubber seal, and described reposition element is the rubber reseting ring being coated on described spool bottom, and bottom and the described tightening cover of described rubber reseting ring offset.
Further, the top of described pressure adjusting spring is provided with pressure regulation pad, and described screw rod is offseted by described pressure regulation pad and described pressure adjusting spring.
Further, described second Returnning spring is volute spring.
The beneficial effects of the utility model are: a kind of precise pressure-reducing valve that the utility model provides, by arranging boss respectively in the upper end of voltage stabilizing seat, enclose the cylindrical shell being overlying on boss periphery, and gas port is set in the axis of boss, the top of boss arranges the steel ball matched with it, second Returnning spring is set between steel ball and voltage stabilizing seat, the top of cylindrical shell arranges the Clip Reed with steel ball counter stopper, the periphery of steel ball stretches out in the outside of Clip Reed, when pressure adjusting spring does not apply active force to voltage stabilizing diaphragm unit, gas in second chamber is successively through gas port, Clip Reed enters in the 3rd chamber, then air is expelled to from drain boles, compared with prior art, the utility model is without the need to arranging nozzle, make vibrational power flow more simple, not only reduce manufacture cost, and make assembling more convenient, fast, in addition, the utility model carries out spacing by adopting Clip Reed to substitute top cover to steel ball, and the second Returnning spring is set between steel ball and voltage stabilizing seat, vibrational power flow is more simple, not only ensure that the position degree of steel ball, also make the reset effect of steel ball better simultaneously, sensitivity is higher, by being optimized improvement to the structure of voltage stabilizing diaphragm unit and overflow diaphragm unit respectively, specifically, the utility model is by adopting level Four diaphragm structure, the utility model is assembled more simple, voltage stabilizing and earial drainage better effects if, regulation precision is higher, and service behaviour is more stable.The utility model vibrational power flow advantages of simple.
Accompanying drawing explanation
Fig. 1 is the overall sectional structure schematic diagram in the utility model direction;
Fig. 2 is the overall sectional structure schematic diagram in another direction of the utility model;
Fig. 3 is the structure for amplifying schematic diagram at S place in Fig. 1.
In Fig. 1 to Fig. 3:
1, valve body; 11, suction port; 12, air outlet; 13, main valve hole; 14, pressure feedback passage; 2, voltage stabilizing seat; 21, drain boles; 22, boss; 23, cylindrical shell; 24, gas port; 25, Clip Reed; 3, valve gap; 4, adjusting handle; 41, screw rod; 5, pressure adjusting spring; 51, pressure regulation pad; 61, voltage stabilizing top; 62, the first voltage stabilizing dish; 63, primary diaphragm; 64, middle cover; 65, secondary diaphragm; 66, the second voltage stabilizing dish; 67, the first Returnning spring; 68, voltage stabilizing thimble; 71, tray seat; 72, tertiary membrane sheet; 73, the 4th diaphragm; 74, pallet; 75, pallet cover; 76, diaphragm seat; 761, overflow hole; 8, spool; 81, rubber seal; 82, rubber reseting ring; 9, tightening cover; 10, steel ball; 101, the second Returnning spring; A, the first chamber; B, the second chamber; C, the 3rd chamber; D, pressure stabilizing cavity; E, spill cavity.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
Precise pressure-reducing valve as shown in Figure 1 to Figure 3, comprise valve body 1, voltage stabilizing seat 2, valve gap 3, adjusting handle 4, pressure adjusting spring 5, voltage stabilizing diaphragm unit, overflow diaphragm unit, spool 8 and tightening cover 9, valve body 1 is provided with suction port 11 and air outlet 12, valve gap 3, voltage stabilizing seat 2, valve body 1 and tightening cover 9 are fixedly connected sequentially from top to bottom, voltage stabilizing diaphragm unit is arranged between valve gap 3 and voltage stabilizing seat 2, overflow diaphragm unit is arranged between voltage stabilizing seat 2 and valve body 1, the the first chamber A be communicated with air outlet 12 is formed between valve body 1 with overflow diaphragm unit, the second chamber B is formed between overflow diaphragm unit and voltage stabilizing seat 2, the 3rd cavity C is formed between voltage stabilizing seat 2 and voltage stabilizing diaphragm unit, valve body 1 is provided with the main valve hole 13 be communicated with the first chamber A by suction port 11, voltage stabilizing seat 2 is provided with the drain boles 21 the 3rd cavity C be communicated with air, spool 8 to be arranged in valve body 1 and to be sealed and matched with main valve hole 13, spool 8 can move up and down along tightening cover 9, reposition element is provided with between the bottom of spool 8 and tightening cover 9, adjusting handle 4 is arranged at the top of valve gap 3 by screw rod 41, the lower end of screw rod 41 is inserted in valve gap 3, upper end and the screw rod 41 of pressure adjusting spring 5 offset, specifically, in order to make the regulating effect of adjusting handle 4 better, the top of pressure adjusting spring 5 is provided with pressure regulation pad 51, screw rod 41 is offseted by pressure regulation pad 51 and pressure adjusting spring 5.
Voltage stabilizing diaphragm unit comprises voltage stabilizing top 61, the outer wall of voltage stabilizing top 61 is closely arranged with the first voltage stabilizing dish 62, primary diaphragm 63, middle cover 64 and secondary diaphragm 65 from top to bottom successively, lower end and the primary diaphragm 63 of pressure adjusting spring 5 offset, the second voltage stabilizing dish 66 is provided with between voltage stabilizing seat 2 and valve gap 3, the periphery of primary diaphragm 63 is to being located between valve gap 3 and the second voltage stabilizing dish 66, the periphery of secondary diaphragm 65, to being located between the second voltage stabilizing dish 66 and voltage stabilizing seat 2, is provided with the first Returnning spring 67 between voltage stabilizing top 61 and voltage stabilizing seat 2.By arranging said structure, voltage stabilizing diaphragm unit is loaded and unloaded more for convenience.
The upper end of voltage stabilizing seat 2 is extended with boss 22 respectively, enclose the cylindrical shell 23 being overlying on boss 22 periphery, boss 22 is provided with the gas port 24 be communicated with the second chamber B, the top of boss 22 is provided with steel ball 10, the second Returnning spring 101 is provided with between steel ball 10 and voltage stabilizing seat 2, preferably, in order to make the stability of steel ball 10 higher, second Returnning spring 101 is volute spring, the top of cylindrical shell 23 is provided with the Clip Reed 25 with steel ball 10 counter stopper, the periphery of steel ball 10 stretches out the outside of Clip Reed 25, the bottom of voltage stabilizing top 61 is provided with the voltage stabilizing thimble 68 coordinated that to offset with steel ball 10.
When pressure adjusting spring 5 does not apply active force to voltage stabilizing diaphragm unit, gas in second chamber B is successively through gas port 24, Clip Reed 25 enters in the 3rd cavity C, then air is expelled to from drain boles 21, compared with prior art, the utility model is without the need to arranging nozzle, make vibrational power flow more simple, not only reduce manufacture cost, and make assembling more convenient, fast, in addition, the utility model carries out spacing by adopting Clip Reed 25 to substitute top cover to steel ball 10, and the second Returnning spring 101 is set between steel ball 10 and voltage stabilizing seat 2, vibrational power flow is more simple, not only ensure that the position degree of steel ball 10, also make the reset effect of steel ball 10 better simultaneously, sensitivity is higher.Voltage stabilizing top 61 is offseted by voltage stabilizing thimble 68 and steel ball 10, when voltage stabilizing top 61 declines, ensure that steel ball 10 can shutoff gas port 24 rapidly, further increases sensitivity of the present utility model.
Overflow diaphragm unit comprises tray seat 71, to being provided with tertiary membrane sheet 72 between the upper end of tray seat 71 and voltage stabilizing seat 2, to being provided with the 4th diaphragm 73 between the lower end of tray seat 71 and valve body 1, be provided with pallet 74 between tertiary membrane sheet 72 and the 4th diaphragm 73, be embedded with diaphragm seat 76 with the center of pallet cover the 75, four diaphragm 73 of pallet 74 corresponding matching.By arranging said structure, overflow diaphragm unit being mounted and dismounted more for convenience, improves efficiency of assembling.
Valve body 1, tray seat 71 and voltage stabilizing seat 2 are equipped with the internal pilot passage (not shown) be communicated with the second chamber B by described suction port 11; Be formed with pressure stabilizing cavity D between primary diaphragm 63, second voltage stabilizing dish 66, secondary diaphragm 65 and middle cover 64, valve body 1, tray seat 71, voltage stabilizing seat 2 and the second voltage stabilizing dish 66 are equipped with the pressure feedback passage 14 be communicated with pressure stabilizing cavity D air outlet 12.
Spill cavity E is formed between tertiary membrane sheet 72, tray seat 71, the 4th diaphragm 73 and diaphragm seat 76, the center of diaphragm seat 76 is provided with the overflow hole 761 be communicated with spill cavity E by the first chamber A, tray seat 71 is provided with the relief hole (not shown) be communicated with air by spill cavity E, and the upper end of spool 8 is passed main valve hole 13 and is sealed and matched with overflow hole 761.
Working principle of the present utility model is identical with the working principle of existing reduction valve, and and therefore not to repeat here.The utility model is optimized improvement to the structure of voltage stabilizing diaphragm unit and overflow diaphragm unit respectively, by adopting level Four diaphragm structure, namely voltage stabilizing diaphragm unit and overflow diaphragm unit respectively adopt two diaphragms, thus effectively make the utility model operationally voltage stabilizing and earial drainage better effects if, regulation precision is higher, service behaviour is more stable, and specifically, delivery pressure validity of the present utility model can remain on ± 0.02kg.
The top of spool 8 is provided with rubber seal 81, adopts rubber seal 81, makes the sealing effect between spool 8 and overflow hole 761 better, further ensures regulation precision of the present utility model.Reposition element is the rubber reseting ring 82 being coated on spool 8 bottom, bottom and the tightening cover 9 of rubber reseting ring 82 offset, with adopt compared with spring reset in prior art, the utility model is by adopting rubber reseting ring 82, not only greatly reduce difficulty of processing and the cost of production of part, when also ensure that spool 8 coordinates with tightening cover 9, leakage rate safety is controlled simultaneously.
The above is only better embodiment of the present utility model, therefore all equivalences done according to structure, feature and the principle described in the utility model patent claim change or modify, and are included in the utility model patent claim.
Claims (4)
1. precise pressure-reducing valve, comprise valve body, voltage stabilizing seat, valve gap, adjusting handle, pressure adjusting spring, voltage stabilizing diaphragm unit, overflow diaphragm unit, spool and tightening cover, described valve body is provided with suction port and air outlet, described valve gap, described voltage stabilizing seat, described valve body and described tightening cover are fixedly connected sequentially from top to bottom, described voltage stabilizing diaphragm unit is arranged between described valve gap and described voltage stabilizing seat, described overflow diaphragm unit is arranged between described voltage stabilizing seat and described valve body, the first chamber be communicated with described air outlet is formed between described valve body with described overflow diaphragm unit, the second chamber is formed between described overflow diaphragm unit and described voltage stabilizing seat, the 3rd chamber is formed between described voltage stabilizing seat and described voltage stabilizing diaphragm unit, described valve body is provided with the main valve hole by described suction port and described first chamber, described voltage stabilizing seat is provided with the drain boles be communicated with air by described 3rd chamber, described spool to be arranged in described valve body and to be sealed and matched with described main valve hole, described spool can move up and down along described tightening cover, reposition element is provided with between the bottom of described spool and described tightening cover, described adjusting handle is arranged at the top of described valve gap by screw rod, the lower end of described screw rod is inserted in described valve gap, upper end and the described screw rod of described pressure adjusting spring offset, it is characterized in that:
Described voltage stabilizing diaphragm unit comprises voltage stabilizing top, the outer wall of described voltage stabilizing top is closely arranged with the first voltage stabilizing dish, primary diaphragm, middle cover and secondary diaphragm from top to bottom successively, lower end and the described primary diaphragm of described pressure adjusting spring offset, the second voltage stabilizing dish is provided with between described voltage stabilizing seat and described valve gap, the periphery of described primary diaphragm is to being located between described valve gap and described second voltage stabilizing dish, the periphery of described secondary diaphragm, to being located between described second voltage stabilizing dish and described voltage stabilizing seat, is provided with the first Returnning spring between described voltage stabilizing top and described voltage stabilizing seat;
The upper end of described voltage stabilizing seat is extended with boss respectively, encloses the cylindrical shell being overlying on described boss periphery, described boss is provided with the gas port with described second chamber, the top of described boss is provided with steel ball, the second Returnning spring is provided with between described steel ball and described voltage stabilizing seat, the top of described cylindrical shell is provided with the Clip Reed with described steel ball counter stopper, the periphery of described steel ball stretches out the outside of described Clip Reed, and the bottom of described voltage stabilizing top is provided with the voltage stabilizing thimble coordinated that to offset with described steel ball;
Described overflow diaphragm unit comprises tray seat, to being provided with tertiary membrane sheet between the upper end of described tray seat and described voltage stabilizing seat, to being provided with the 4th diaphragm between the lower end of described tray seat and described valve body, be provided with between described tertiary membrane sheet and described 4th diaphragm pallet, with the pallet cover of described pallet corresponding matching, the center of described 4th diaphragm is embedded with diaphragm seat;
Described valve body, described tray seat and described voltage stabilizing seat are equipped with the internal pilot passage by described suction port and described second chamber; Be formed with pressure stabilizing cavity between described primary diaphragm, described second voltage stabilizing dish, described secondary diaphragm and described middle cover, described valve body, described tray seat, described voltage stabilizing seat and described second voltage stabilizing dish are equipped with the pressure feedback passage be communicated with described pressure stabilizing cavity described air outlet;
Spill cavity is formed between described tertiary membrane sheet, described tray seat, described 4th diaphragm and described diaphragm seat, the center of described diaphragm seat is provided with the overflow hole be communicated with described spill cavity by described first chamber, described tray seat is provided with the relief hole be communicated with air by described spill cavity, and the upper end of described spool is passed described main valve hole and is sealed and matched with described overflow hole.
2. precise pressure-reducing valve according to claim 1, is characterized in that: the top of described spool is provided with rubber seal, and described reposition element is the rubber reseting ring being coated on described spool bottom, and bottom and the described tightening cover of described rubber reseting ring offset.
3. precise pressure-reducing valve according to claim 1, is characterized in that: the top of described pressure adjusting spring is provided with pressure regulation pad, and described screw rod is offseted by described pressure regulation pad and described pressure adjusting spring.
4. precise pressure-reducing valve according to claim 1, is characterized in that: described second Returnning spring is volute spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520663978.6U CN204985903U (en) | 2015-08-31 | 2015-08-31 | Precise pressure reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520663978.6U CN204985903U (en) | 2015-08-31 | 2015-08-31 | Precise pressure reducing valve |
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| Publication Number | Publication Date |
|---|---|
| CN204985903U true CN204985903U (en) | 2016-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520663978.6U Active CN204985903U (en) | 2015-08-31 | 2015-08-31 | Precise pressure reducing valve |
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| CN (1) | CN204985903U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI576526B (en) * | 2016-04-08 | 2017-04-01 | Energy - saving large - capacity fine regulating valve | |
| CN109139931A (en) * | 2018-10-25 | 2019-01-04 | 宁波机阀门制造有限公司 | A kind of gate valve with structure of voltage regulation |
| CN110206933A (en) * | 2019-07-06 | 2019-09-06 | 上海巍申环保科技有限公司 | A kind of guide's anti-soil type electromagnetic impulse valve and anti-fouling method |
| CN110360345A (en) * | 2019-07-26 | 2019-10-22 | 黄洪刚 | A kind of protecting against shock three-way pressure reducing valve |
| CN110486515A (en) * | 2018-05-14 | 2019-11-22 | 新乡航空工业(集团)有限公司 | Motor vehicle braking system and its pressure regulator valve, vehicle |
| CN110701318A (en) * | 2019-09-27 | 2020-01-17 | 捷锐企业(上海)有限公司 | Pressure reducing valve with double diaphragms and pressure chambers |
| CN112326438A (en) * | 2020-09-16 | 2021-02-05 | 北京北机机电工业有限责任公司 | High-efficient testing arrangement of diaphragm material pressure |
| CN116576271A (en) * | 2023-07-12 | 2023-08-11 | 宁波索诺工业自控设备有限公司 | Pressure reducing switching valve |
-
2015
- 2015-08-31 CN CN201520663978.6U patent/CN204985903U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI576526B (en) * | 2016-04-08 | 2017-04-01 | Energy - saving large - capacity fine regulating valve | |
| CN110486515A (en) * | 2018-05-14 | 2019-11-22 | 新乡航空工业(集团)有限公司 | Motor vehicle braking system and its pressure regulator valve, vehicle |
| CN109139931A (en) * | 2018-10-25 | 2019-01-04 | 宁波机阀门制造有限公司 | A kind of gate valve with structure of voltage regulation |
| CN109139931B (en) * | 2018-10-25 | 2023-10-20 | 宁波一机阀门制造有限公司 | Gate valve with steady voltage structure |
| CN110206933A (en) * | 2019-07-06 | 2019-09-06 | 上海巍申环保科技有限公司 | A kind of guide's anti-soil type electromagnetic impulse valve and anti-fouling method |
| CN110360345A (en) * | 2019-07-26 | 2019-10-22 | 黄洪刚 | A kind of protecting against shock three-way pressure reducing valve |
| CN110701318A (en) * | 2019-09-27 | 2020-01-17 | 捷锐企业(上海)有限公司 | Pressure reducing valve with double diaphragms and pressure chambers |
| CN112326438A (en) * | 2020-09-16 | 2021-02-05 | 北京北机机电工业有限责任公司 | High-efficient testing arrangement of diaphragm material pressure |
| CN112326438B (en) * | 2020-09-16 | 2022-03-25 | 北京北机机电工业有限责任公司 | High-efficient testing arrangement of diaphragm material pressure |
| CN116576271A (en) * | 2023-07-12 | 2023-08-11 | 宁波索诺工业自控设备有限公司 | Pressure reducing switching valve |
| CN116576271B (en) * | 2023-07-12 | 2023-11-10 | 宁波索诺工业自控设备有限公司 | Pressure reducing switching valve |
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