CN104006193B - Mini filtering pressure reducing valve - Google Patents
Mini filtering pressure reducing valve Download PDFInfo
- Publication number
- CN104006193B CN104006193B CN201410251968.1A CN201410251968A CN104006193B CN 104006193 B CN104006193 B CN 104006193B CN 201410251968 A CN201410251968 A CN 201410251968A CN 104006193 B CN104006193 B CN 104006193B
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- China
- Prior art keywords
- valve body
- valve
- diaphragm
- fixed base
- water cup
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Classifications
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- 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
- F16K17/20—Excess-flow valves
- F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
- F16K17/24—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member
- F16K17/28—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only
- F16K17/30—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only spring-loaded
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Control Of Fluid Pressure (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
Mini filtering pressure reducing valve disclosed by the invention, comprise valve body, valve gap, water cup and diaphragm, upper chamber is formed between described valve body and diaphragm, lower chambers is formed between valve body and water cup, valve gap is provided with adjusting handle, adjusting screw rod and regulating nut is provided with in valve gap, water cup internal fixtion is provided with filtering mechanism, install in valve body and be provided with fixed base, fixed base is provided with the through hole being communicated with described upper chamber and lower chambers, spool is provided with between described fixed base and valve body, the bottom of diaphragm forms push rod, the bottom of push rod is passed through hole and is offseted with spool top and coordinates, described filtering mechanism comprises cyclone blade, integrated type filter core and valve inside, integrated type filter core comprises filter element body, and the threaded joints be shaped in filter element body, the filter element body portion of being threaded connection is connected to described valve body.The present invention is simple and reasonable, sensitivity is higher, be convenient to processing, manufacture cost is lower, handling and using more for convenience.
Description
Technical field
The present invention relates to valve class technical field, particularly the mini filtering pressure reducing valve of one.
Background technique
Filtering pressure reducing valve sets up filter element on the basis of reduction valve, ensure that output pressure also carries out filtration treatment to source of the gas while stable, such as remove the impurity such as oil, water, dirt in pressurized air, the working life of pneumatic element and the precision of adjustable pressure can be improved.Filtering pressure reducing valve common in the market, its structure generally includes valve body, the valve gap be connected with valve body upper end, the water cup be connected with valve body lower end, and the diaphragm be located between valve body and valve gap, described valve body forms upper chamber with coordinating between diaphragm, coordinate between valve body with water cup and form lower chambers, described valve body is respectively equipped with the suction port be communicated with lower chambers, the air outlet be communicated with upper chamber, and be communicated with the pore of described upper chamber and lower chambers, described valve gap is provided with adjusting handle, described adjusting handle is provided with adjusting screw rod, the regulating nut corresponding to adjusting screw rod is provided with in described valve gap, definite value spring is provided with between described regulating nut and diaphragm, the spool be equipped with pore is provided with in valve body, shapingly on described spool be provided with valve rod, the top of described valve rod is passed described pore and is offseted with diaphragm and coordinates, balance spring is provided with between described spool and valve body, described water cup internal fixtion is located at filtering mechanism, described filtering mechanism comprises cyclone blade, element kit, and drain valve, described cyclone blade is fixedly connected with valve body lower end, element kit comprises the filter core be sheathed in cyclone blade, and the manger board be located at bottom filter core is installed, described manger board is provided with set screw, the top of described set screw is passed filter core and is fixedly connected with valve body, the bottom being located at water cup installed by described drain valve.Its working principle is: during work, pressurized gas enters in water cup from suction port, under the effect of cyclone blade, gas constantly rotates, liquid water in gas gets off along with rotary centrifugal force effect is separated deposition gradually with solid particulate matter, gas after separation flows through filter core, pore, upper chamber successively, and finally discharges from air outlet; When turn adjusting handle, definite value spring is compressed by regulating nut, diaphragm is compressed after definite value spring stress, there is deformation and valve rod of conflicting in diaphragm, valve rod band movable valve plug is moved down, makes upper chamber, form path between pore and lower chambers under the effect of definite value spring, by the gap length between regulating spool and pore, change the flow velocity of gas flow through pore, and then change the pressure size of gas output, reach the effect of air pressure adjustment.
But, above-mentioned filtering pressure reducing valve because of vibrational power flow unreasonable, cause there is following defect: first, because spool and valve rod are formed in one setting, during work, spool is synchronized with the movement with valve rod, and valve rod is that axial motion occurs under the conflict of diaphragm, for ensureing the coaxality of stem movement, therefore the spacing of general valve rod and pore inwall is less, when valve rod be frequently subject to diaphragm compress time, make valve rod easily and produce between pore inwall and rub, cause between valve rod and valve body, there is certain drag effect, thus affect the sensitivity of air pressure adjustment; The second, because the usual volume of valve body arranges less, arrange the pore adapted with valve rod in valve body, difficulty of processing is comparatively large, causes manufacture cost higher; 3rd, coordinate by filter core, manger board and set screw the element kit formed owing to arranging, during installation, filter core needs could be located in cyclone blade by fixed cover by manger board and set screw mating reaction, cause installing comparatively inconvenience, the efficiency of loading and unloading is lower, and multiple component also add extra manufacture cost; 4th, because drain valve structure arranges comparatively complicated, versatility is poor, causes using there is inconvenience, and cost is higher.
Summary of the invention
The object of the invention is to the defect for prior art and deficiency, provide a kind of simple and reasonable, sensitivity is higher, be convenient to processing, manufacture cost is lower, handling and use conveniently mini filtering pressure reducing valve.
For achieving the above object, the present invention is by the following technical solutions:
Mini filtering pressure reducing valve of the present invention, comprise valve body, the valve gap be connected with valve body upper end, the water cup be connected with valve body lower end, and the diaphragm be located between valve body and valve gap, described valve body forms upper chamber with coordinating between diaphragm, coordinate between valve body with water cup and form lower chambers, described valve body is respectively equipped with the suction port be communicated with lower chambers, and the air outlet to be communicated with upper chamber, described valve gap is provided with adjusting handle, the adjusting screw rod be linked with adjusting handle is provided with in described valve gap, and the regulating nut corresponding with adjusting screw rod, definite value spring is provided with between described regulating nut and diaphragm, described water cup internal fixtion is provided with filtering mechanism, install in described valve body and be provided with fixed base, described fixed base is provided with the through hole being communicated with described upper chamber and lower chambers, the spool be sealed and matched with through hole is movably equipped with between described fixed base and valve body, balance spring is provided with between described spool and valve body, the bottom centre of described diaphragm is shaping is provided with the push rod adapted with through hole, the bottom of described push rod is passed described through hole and is offseted with spool top and coordinates, described filtering mechanism comprises the cyclone blade being fixedly connected on valve body lower end, to be sheathed in cyclone blade and the integrated type filter core be fixedly connected with valve body, and the valve inside be located at bottom water cup is installed, described integrated type filter core comprises filter element body, and the threaded joints be shaped in filter element body, the described filter element body portion of being threaded connection is connected to described valve body.
Further, be provided with diaphragm packing ring between described valve gap and diaphragm, described diaphragm is provided with the annular projection coordinated with definite value spring, and the bottom of described definite value spring is installed in annular projection.
Further, between described fixed base and valve body, be provided with the first seal ring, between valve body and water cup, be provided with the second seal ring.
Further, described fixed base bottom peripheral edge is provided with cylinder to downward-extension, and described spool is movably arranged in described cylinder, and described cylinder side wall is also provided with can the opening that flows through of supplied gas.
Further, the sealed bottom of described filter element body is provided with path stepped part.
Beneficial effect of the present invention is: compared with prior art, and the present invention, by arranging fixed base in valve body, fixed base is arranged the through hole being communicated with upper chamber and lower chambers, and processing more for convenience; Spool is installed between fixed base and valve body, makes vibrational power flow compact and reasonable of the present invention, and handling more for convenience; By the push rod that setting shaping on diaphragm and through hole adapt, described push rod passes through hole and offsets with spool upper-end surface and coordinates, because push rod and diaphragm are molded as one, during work, push rod is synchronized with the movement with diaphragm, the coaxality that push rod is moved is higher, therefore it is comparatively large that the distance between through-hole wall and push rod can be made to arrange, thus effectively reduce surface friction drag, improve the pressure controlled sensitivity of the present invention; By arranging integrated type filter core, filter element body is threaded connection portion and is fixedly connected with valve body, has both made the present invention load and unload more for convenience, and component arrange less simultaneously, decrease installation step, reduce manufacture cost, use convenient; Bottom water cup, arrange valve inside, versatility is comparatively strong, is convenient to change, reduces user cost.
Accompanying drawing explanation
Fig. 1 is overall decomposition texture schematic diagram of the present invention;
Fig. 2 is overall sectional view structural representation of the present invention;
Fig. 3 is fixed seat structure schematic diagram of the present invention.
In figure:
1, valve body; 2, valve gap; 3, water cup; 4, diaphragm; 5, upper chamber; 6, lower chambers; 11, suction port; 12, air outlet; 21, adjusting handle; 22, adjusting screw rod; 23, regulating nut; 7, definite value spring; 8, fixed base; 9, spool; 10, balance spring; 41, push rod; 31, cyclone blade; 32, filter element body; 33, threaded joints; 34, valve inside; 35, path stepped part; 42, diaphragm packing ring; 43, annular projection; 13, the first seal ring; 14, the second seal ring; 81, cylinder; 82, opening.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
Mini filtering pressure reducing valve as shown in Figure 1 to Figure 3, the diaphragm 4 comprising valve gap 2 that valve body 1 and valve body 1 upper end be connected and the water cup 3 that valve body 1 lower end is connected and be located between valve body 1 and valve gap 2, described valve body 1 forms upper chamber 5 with coordinating between diaphragm 4, coordinate between valve body 1 with water cup 3 and form lower chambers 6, the air outlet 12 described valve body 1 being respectively equipped with the suction port 11 be communicated with lower chambers 6 and being communicated with upper chamber 5.
Described valve gap 2 is provided with adjusting handle 21, is provided with and the adjusting screw rod 22 that adjusting handle 21 is linked and the regulating nut 23 corresponding with adjusting screw rod 22, is provided with definite value spring 7 between described regulating nut 23 and diaphragm 4 in described valve gap 2.
Install in described valve body 1 and be provided with fixed base 8, described fixed base 8 is provided with the through hole being communicated with described upper chamber 5 and lower chambers 6, the spool 9 be sealed and matched with through hole is movably equipped with between described fixed base 8 and valve body 1, balance spring 10 is provided with between described spool 9 and valve body 1, the bottom centre of described diaphragm 4 is shaping is provided with the push rod 41 adapted with through hole, and the bottom of described push rod 41 is passed described through hole and offseted with spool 9 top and coordinates.
Described water cup 3 internal fixtion is provided with filtering mechanism, described filtering mechanism comprise be fixedly connected on valve body 1 lower end cyclone blade 31, be sheathed in cyclone blade 31 and the integrated type filter core be fixedly connected with valve body 1 and install the valve inside 34 be located at bottom water cup 3, described integrated type filter core comprises filter element body 32 and is shaped in the threaded joints 33 in filter element body 32, and described filter element body 32 is threaded connection portion 33 and is connected to described valve body 1.
The above forms agent structure of the present invention, and working principle of the present invention is same as the prior art, and therefore not to repeat here.
The present invention, by arranging fixed base 8 in valve body 1, fixed base 8 is arranged the through hole being communicated with upper chamber 5 and lower chambers 6, arranges pore compared in prior art in valve body 1, and the present invention's processing more for convenience; Spool 9 is installed between fixed base 8 and valve body 1, makes vibrational power flow compact and reasonable of the present invention, and handling more for convenience; By the push rod 41 that setting shaping on diaphragm 4 and through hole adapt, because push rod 41 and diaphragm 4 are molded as one, during work, push rod 41 is synchronized with the movement with diaphragm 4, the coaxality that push rod 41 is moved is higher, therefore it is larger that the distance between through-hole wall and push rod 41 can be made to arrange, thus effectively reduce surface friction drag, improve the pressure controlled sensitivity of the present invention; By arranging integrated type filter core, filter element body 32 is threaded connection portion 33 and is fixedly connected with valve body 1, has both made filter element body 32 of the present invention load and unload more for convenience, and component arrange less simultaneously, decrease installation step, reduce manufacture cost, use convenient; Bottom water cup 3, arrange valve inside 34, drainage performance is better, and when damaging appears in valve inside 34, be convenient to carry out purchase from the market and replace, versatility is comparatively strong, and it is convenient to change, and reduces user cost.
Be provided with diaphragm packing ring 42 between described valve gap 2 and diaphragm 4, effectively improve sealability of the present invention; Described diaphragm 4 is provided with the annular projection 43 coordinated with definite value spring 7, and the bottom of described definite value spring 7 is installed in annular projection 43, and definite value spring 7 is installed more convenient, position is more firm.
Be provided with the first seal ring 13 between described fixed base 8 and valve body 1, between valve body 1 and water cup 3, be provided with the second seal ring 14.By arranging the first seal ring 13 and the second seal ring 14, making sealability of the present invention stronger, not easily occurring gas leakage phenomenon.
Described fixed base 8 bottom peripheral edge is provided with cylinder 81 to downward-extension, and described spool 9 is movably arranged in described cylinder 81, and described cylinder 81 sidewall is also provided with can the opening 82 that flows through of supplied gas.By arranging cylinder 81, further ensure the coaxality that spool 9 moves, when spool 9 is contacted with through hole, sealing effect is better, and opening 82 flows through for making gas, ensure that the present invention can normal table work.
The sealed bottom of described filter element body 32 is provided with path stepped part 35, arranges the path stepped part 35 of sealing configuration, can effectively avoid the sewage in water cup 3 to be splashed in filter element body 32, thus effectively prevent gas and be secondary polluted.
The above is only better embodiment of the present invention, therefore all equivalences done according to structure, feature and the principle described in patent claim of the present invention change or modify, and are included in patent claim of the present invention.
Claims (5)
1. a mini filtering pressure reducing valve, comprise valve body (1), the valve gap (2) be connected with valve body (1) upper end, the water cup (3) be connected with valve body (1) lower end, and the diaphragm (4) be located between valve body (1) and valve gap (2), coordinate between described valve body (1) with diaphragm (4) and form upper chamber (5), coordinate between valve body (1) with water cup (3) and form lower chambers (6), described valve body (1) is respectively equipped with the suction port (11) be communicated with lower chambers (6), and the air outlet (12) to be communicated with upper chamber (5), described valve gap (2) is provided with adjusting handle (21), the adjusting screw rod (22) be linked with adjusting handle (21) is provided with in described valve gap (2), and the regulating nut (23) corresponding with adjusting screw rod (22), definite value spring (7) is provided with between described regulating nut (23) and diaphragm (4), described water cup (3) internal fixtion is provided with filtering mechanism, it is characterized in that: install in described valve body (1) and be provided with fixed base (8), described fixed base (8) is provided with the through hole being communicated with described upper chamber (5) and lower chambers (6), the spool (9) be sealed and matched with through hole is movably equipped with between described fixed base (8) and valve body (1), balance spring (10) is provided with between described spool (9) and valve body (1), the bottom centre of described diaphragm (4) is shaping is provided with the push rod (41) adapted with through hole, the bottom of described push rod (41) is passed described through hole and is offseted with spool (9) top and coordinates, described filtering mechanism comprises the cyclone blade (31) being fixedly connected on valve body (1) lower end, to be sheathed in cyclone blade (31) and the integrated type filter core be fixedly connected with valve body (1), and the valve inside (34) being located at water cup (3) bottom is installed, described integrated type filter core comprises filter element body (32), and the threaded joints (33) be shaped in filter element body (32), described filter element body (32) is threaded connection portion (33) and is connected to described valve body (1).
2. mini filtering pressure reducing valve according to claim 1, it is characterized in that: between described valve gap (2) and diaphragm (4), be provided with diaphragm packing ring (42), described diaphragm (4) is provided with the annular projection (43) coordinated with definite value spring (7), and the bottom of described definite value spring (7) is installed in annular projection (43).
3. mini filtering pressure reducing valve according to claim 1, it is characterized in that: between described fixed base (8) and valve body (1), be provided with the first seal ring (13), between valve body (1) and water cup (3), be provided with the second seal ring (14).
4. mini filtering pressure reducing valve according to claim 1, it is characterized in that: described fixed base (8) bottom peripheral edge is provided with cylinder (81) to downward-extension, described spool (9) is movably arranged in described cylinder (81), and described cylinder (81) sidewall is also provided with can the opening (82) that flows through of supplied gas.
5. mini filtering pressure reducing valve according to claim 1, is characterized in that: the sealed bottom of described filter element body (32) is provided with path stepped part (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410251968.1A CN104006193B (en) | 2014-06-09 | 2014-06-09 | Mini filtering pressure reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410251968.1A CN104006193B (en) | 2014-06-09 | 2014-06-09 | Mini filtering pressure reducing valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104006193A CN104006193A (en) | 2014-08-27 |
| CN104006193B true CN104006193B (en) | 2016-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410251968.1A Active CN104006193B (en) | 2014-06-09 | 2014-06-09 | Mini filtering pressure reducing valve |
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| Country | Link |
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| CN (1) | CN104006193B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106268061B (en) * | 2016-08-31 | 2018-07-27 | 宁波亚德客自动化工业有限公司 | Big flow pressure regulation accurate filter |
| CN109681494B (en) * | 2019-01-16 | 2020-12-08 | 宁波新佳行自动化工业有限公司 | Air filtration decompression assembly |
| CN110425318A (en) * | 2019-08-28 | 2019-11-08 | 浙江工业大学 | A kind of Pressure reducing valve for hot water |
| CN116173665B (en) * | 2023-03-06 | 2023-11-24 | 宁波新佳行自动化工业有限公司 | Pressure regulating valve assembly with oil mist separation function |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0337936A1 (en) * | 1988-04-15 | 1989-10-18 | Schenk, Rudolf | Domestic water station |
| CN2881254Y (en) * | 2006-03-06 | 2007-03-21 | 黄银祥 | Filtering pressure regulating valve |
| CN202733100U (en) * | 2012-07-02 | 2013-02-13 | 宁波盛达阳光气动机械有限公司 | Large diameter filter pressure regulating valve |
| CN202852100U (en) * | 2012-09-26 | 2013-04-03 | 苏州赛华仪控股份有限公司 | Constant pressure valve |
| CN203286131U (en) * | 2013-05-30 | 2013-11-13 | 宁波新佳行自动化工业有限公司 | Filtering pressure-reducing valve |
| CN203963161U (en) * | 2014-06-09 | 2014-11-26 | 宁波新佳行自动化工业有限公司 | Mini filtering pressure reducing valve |
-
2014
- 2014-06-09 CN CN201410251968.1A patent/CN104006193B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0337936A1 (en) * | 1988-04-15 | 1989-10-18 | Schenk, Rudolf | Domestic water station |
| CN2881254Y (en) * | 2006-03-06 | 2007-03-21 | 黄银祥 | Filtering pressure regulating valve |
| CN202733100U (en) * | 2012-07-02 | 2013-02-13 | 宁波盛达阳光气动机械有限公司 | Large diameter filter pressure regulating valve |
| CN202852100U (en) * | 2012-09-26 | 2013-04-03 | 苏州赛华仪控股份有限公司 | Constant pressure valve |
| CN203286131U (en) * | 2013-05-30 | 2013-11-13 | 宁波新佳行自动化工业有限公司 | Filtering pressure-reducing valve |
| CN203963161U (en) * | 2014-06-09 | 2014-11-26 | 宁波新佳行自动化工业有限公司 | Mini filtering pressure reducing valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104006193A (en) | 2014-08-27 |
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Application publication date: 20140827 Assignee: Ningbo Xinjiaxing Import and Export Co.,Ltd. Assignor: Ningbo New Jiaxing Automatic Industry Co.,Ltd. Contract record no.: X2023330000497 Denomination of invention: Mini filtration pressure reducing valve Granted publication date: 20160406 License type: Common License Record date: 20230808 |