CN203963161U - Mini filtering pressure reducing valve - Google Patents
Mini filtering pressure reducing valve Download PDFInfo
- Publication number
- CN203963161U CN203963161U CN201420304625.2U CN201420304625U CN203963161U CN 203963161 U CN203963161 U CN 203963161U CN 201420304625 U CN201420304625 U CN 201420304625U CN 203963161 U CN203963161 U CN 203963161U
- Authority
- CN
- China
- Prior art keywords
- valve body
- valve
- filter core
- diaphragm
- water cup
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The disclosed mini filtering pressure reducing valve of the utility model, comprise valve body, valve gap, water cup and diaphragm, between described valve body and diaphragm, form upper chamber, between valve body and water cup, form lower chambers, valve gap is provided with adjusting handle, in valve gap, be provided with adjusting screw rod and regulating nut, in water cup, be fixed with filtering mechanism, in valve body, install and be provided with fixed base, fixed base is provided with to be communicated with the through hole of described upper chamber and lower chambers, between described fixed base and valve body, be provided with spool, the bottom of diaphragm forms push rod, the bottom of push rod is passed through hole and is offseted and coordinate with spool top, described filtering mechanism comprises cyclone blade, integrated type filter core and valve inside, integrated type filter core comprises filter core body, and be shaped in the threaded joints on filter core body, the filter core body portion of being threaded connection is connected to described valve body.The utility model 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 utility model relates to valve class technical field, particularly a kind of mini filtering pressure reducing valve.
Background technique
Filtering pressure reducing valve is to set up filter element on the basis of reduction valve, ensure when output pressure is stable also source of the gas to be carried out to filtration treatment, for example remove the impurity such as oil in pressurized air, water, dirt, can improve the working life of pneumatic element and the precision of adjustable pressure.Common filtering pressure reducing valve in the market, its structure generally includes valve body, the valve gap being connected with valve body upper end, the water cup being connected with valve body lower end, and be located at the diaphragm between valve body and valve gap, between described valve body and diaphragm, coordinate and form upper chamber, between valve body and water cup, coordinate and form lower chambers, on described valve body, be respectively equipped with the suction port being communicated with lower chambers, the air outlet being 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, in described valve gap, be provided with and the corresponding regulating nut of adjusting screw rod, between described regulating nut and diaphragm, be provided with definite value spring, in valve body, be provided with the spool being equipped with pore, on described spool, moulding is provided with valve rod, the top of described valve rod is passed described pore and is offseted and coordinate with diaphragm, between described spool and valve body, be provided with balance spring, in described water cup, be fixed 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 being sheathed in cyclone blade, and the manger board of filter core bottom is located in installation, 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, described drain valve is installed the bottom of being located at water cup.Its working principle is: when work, pressurized gas enters in water cup from suction port, under the effect of cyclone blade, gas constantly rotates, liquid water in gas with solid particulate matter along with rotary centrifugal force effect separates and deposits gradually, gas after separation flow through successively filter core, pore, upper chamber, and finally discharge from air outlet; In the time of turn adjusting handle, compress definite value spring by regulating nut, after definite value spring stress, compress diaphragm, there is deformation the valve rod of conflicting in diaphragm, valve rod band movable valve plug is moved down under the effect of definite value spring, makes to form path between upper chamber, pore and lower chambers, 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 is unreasonable because structure arranges, cause existing following defect: first, due to the setting that is formed in one of spool and valve rod, when 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 distance is less between general valve rod and pore inwall, in the time that valve rod is frequently subject to diaphragm and compresses, make valve rod easily with between pore inwall produce and rub, cause existing between valve rod and valve body certain drag effect, thereby affect the sensitivity of air pressure adjustment; The second, because the common volume setting of valve body is less, the pore adapting with valve rod is set in valve body, difficulty of processing is larger, causes manufacture cost higher; The 3rd, coordinate by filter core, manger board and set screw the element kit forming owing to arranging, when installation, filter core need to 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 have also increased extra manufacture cost; The 4th, because drain valve structure setting is comparatively complicated, versatility is poor, cause using having inconvenience, and cost is higher.
Model utility content
The purpose of this utility model is for the defect of 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 mini filtering pressure reducing valve comparatively easily.
For achieving the above object, the utility model is by the following technical solutions:
Mini filtering pressure reducing valve described in the utility model, comprise valve body, the valve gap being connected with valve body upper end, the water cup being connected with valve body lower end, and be located at the diaphragm between valve body and valve gap, between described valve body and diaphragm, coordinate and form upper chamber, between valve body and water cup, coordinate and form lower chambers, on described valve body, be respectively equipped with the suction port being communicated with lower chambers, and the air outlet being communicated with upper chamber, described valve gap is provided with adjusting handle, in described valve gap, be provided with the adjusting screw rod being linked with adjusting handle, and the regulating nut corresponding with adjusting screw rod, between described regulating nut and diaphragm, be provided with definite value spring, in described water cup, be fixed with filtering mechanism, in described valve body, install and be provided with fixed base, described fixed base is provided with to be communicated with the through hole of described upper chamber and lower chambers, between described fixed base and valve body, be movably equipped with the spool being sealed and matched with through hole, between described spool and valve body, be provided with balance spring, bottom centre's moulding of described diaphragm is provided with the push rod adapting with through hole, the bottom of described push rod is passed described through hole and is offseted and coordinate with spool top, described filtering mechanism comprises the cyclone blade that is fixedly connected on valve body lower end, be sheathed in cyclone blade and the integrated type filter core being fixedly connected with valve body, and the valve inside of water cup bottom is located in installation, described integrated type filter core comprises filter core body, and be shaped in the threaded joints on filter core body, the described filter core 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 coordinating 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, is also provided with the opening can supplied gas flowing through on described cylinder side wall.
Further, the sealed bottom of described filter core body is provided with path stepped part.
The beneficial effects of the utility model are: compared with prior art, the utility model, by fixed base is set in valve body, arranges the through hole that is communicated with upper chamber and lower chambers on fixed base, and processing more for convenience; Spool is installed between fixed base and valve body, makes the utility model structure that compact and reasonable is set, and handling more for convenience; By the push rod that moulding setting and through hole adapt on diaphragm, described push rod passes through hole and offsets and coordinate with spool upper-end surface, because push rod and diaphragm are shaped to one, when work, push rod is synchronized with the movement with diaphragm, make the coaxality of push rod motion higher, therefore can make the distance setting between through-hole wall and push rod larger, thereby effectively reduce surface friction drag, improve the pressure controlled sensitivity of the utility model; By integrated type filter core is set, filter core body is threaded connection portion and is fixedly connected with valve body, has both made the utility model load and unload more for convenience, and while component arrange less, have reduced installation step, have reduced manufacture cost, use convenient; In water cup bottom, valve inside is set, versatility is stronger, is convenient to change, and has reduced user cost.
Brief description of the drawings
Fig. 1 is overall decomposition texture schematic diagram of the present utility model;
Fig. 2 is overall sectional view structural representation of the present utility model;
Fig. 3 is fixed seat structure schematic diagram of the present utility model.
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 core 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 utility model is further described.
Mini filtering pressure reducing valve as shown in Figure 1 to Figure 3, comprise valve body 1, and the valve gap 2 that is connected of valve body 1 upper end, and the water cup 3 that is connected of valve body 1 lower end and be located at valve body 1 and valve gap 2 between diaphragm 4, between described valve body 1 and diaphragm 4, coordinate and form upper chamber 5, between valve body 1 and water cup 3, coordinate and form lower chambers 6, on described valve body 1, be respectively equipped with the suction port 11 being communicated with lower chambers 6 and the air outlet 12 being communicated with upper chamber 5.
Described valve gap 2 is provided with adjusting handle 21, in described valve gap 21, be provided with the adjusting screw rod 22 that is linked with adjusting handle 21 and with adjusting screw rod 22 corresponding regulating nut 23, between described regulating nut 23 and diaphragm 4, be provided with definite value spring 7.
The interior installation of described valve body 1 is provided with fixed base 8, described fixed base 8 is provided with to be communicated with the through hole of described upper chamber 5 and lower chambers 6, between described fixed base 8 and valve body 1, be movably equipped with the spool 9 being sealed and matched with through hole, between described spool 9 and valve body 1, be provided with balance spring 10, bottom centre's moulding of described diaphragm 4 is provided with the push rod 41 adapting with through hole, and the bottom of described push rod 41 is passed described through hole and offseted and coordinate with spool 9 tops.
In described water cup 3, be fixed 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 being fixedly connected with the valve body 1 and valve inside 34 of being located at water cup 3 bottoms is installed, described integrated type filter core comprises filter core body 32 and is shaped in the threaded joints 33 on filter core body 32, and described filter core body 32 is threaded connection portion 33 and is connected to described valve body 1.
The above forms agent structure of the present utility model, and working principle of the present utility model is same as the prior art, and therefore not to repeat here.
The utility model by the interior fixed base 8 that arranges of valve body 1, arranges the through hole that is communicated with upper chamber 5 and lower chambers 6 on fixed base 8, than in prior art at the interior pore that arranges of valve body 1, the utility model is processed more for convenience; Spool 9 is installed between fixed base 8 and valve body 1, makes the utility model structure that compact and reasonable is set, and handling more for convenience; By the push rod 41 that moulding setting and through hole adapt on diaphragm 4, because push rod 41 and diaphragm 4 are shaped to one, when work, push rod 41 is synchronized with the movement with diaphragm 4, the coaxality that push rod 41 is moved is higher, therefore can make the distance setting between through-hole wall and push rod 41 larger, thereby effectively reduce surface friction drag, improved the pressure controlled sensitivity of the utility model; By integrated type filter core is set, filter core body 32 is threaded connection portion 33 and is fixedly connected with valve body 1, has both made filter core body 32 of the present utility model load and unload more for convenience, component arrange less simultaneously, reduce installation step, reduced manufacture cost, used convenient; In water cup 3 bottoms, valve inside 34 is set, drainage performance is better, in the time that damaging appears in valve inside 34, is convenient to buy from the market replacement, and versatility is stronger, and it is convenient to change, and has reduced user cost.
Between described valve gap 2 and diaphragm 4, be provided with diaphragm packing ring 42, effectively improved sealability of the present utility model; Described diaphragm 4 is provided with the annular projection 43 coordinating with definite value spring 7, and the bottom of described definite value spring 7 is installed in annular projection 43, definite value spring 7 is installed more convenient, and position is more firm.
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.By the first seal ring 13 and the second seal ring 14 are set, make the utility model sealability stronger, be not prone to gas leakage phenomenon.
Described fixed base 8 bottom peripheral edge are provided with cylinder 81 to downward-extension, and described spool 9 is movably arranged in described cylinder 81, are also provided with the opening 82 can supplied gas flowing through on described cylinder 81 sidewalls.By cylinder 81 is set, further ensure the coaxality that spool 9 moves, when spool 9 is contacted with through hole, sealing effect is better, and opening 82, for making gas flow mistake, has ensured normally stable operation of the utility model.
The sealed bottom of described filter core body 32 is provided with path stepped part 35, and the path stepped part 35 of sealing configuration is set, and can effectively avoid the sewage in water cup 3 to be splashed in filter core body 32, thereby effectively prevent that gas is secondary polluted.
The above is only preferred embodiments of the present utility model, and the equivalence of doing according to structure, feature and principle described in the utility model patent claim therefore all changes or modifies, and is included in the utility model patent claim.
Claims (5)
1. a mini filtering pressure reducing valve, comprise valve body (1), the valve gap (2) being connected with valve body (1) upper end, the water cup (3) being connected with valve body (1) lower end, and be located at the diaphragm (4) between valve body (1) and valve gap (2), between described valve body (1) and diaphragm (4), coordinate and form upper chamber (5), between valve body (1) and water cup (3), coordinate and form lower chambers (6), on described valve body (1), be respectively equipped with the suction port (11) being communicated with lower chambers (6), and the air outlet (12) being communicated with upper chamber (5), described valve gap (2) is provided with adjusting handle (21), in described valve gap (21), be provided with the adjusting screw rod (22) being linked with adjusting handle (21), and the regulating nut (23) corresponding with adjusting screw rod (22), between described regulating nut (23) and diaphragm (4), be provided with definite value spring (7), in described water cup (3), be fixed with filtering mechanism, it is characterized in that: in described valve body (1), install and be provided with fixed base (8), described fixed base (8) is provided with to be communicated with the through hole of described upper chamber (5) and lower chambers (6), between described fixed base (8) and valve body (1), be movably equipped with the spool (9) being sealed and matched with through hole, between described spool (9) and valve body (1), be provided with balance spring (10), bottom centre's moulding of described diaphragm (4) is provided with the push rod (41) adapting with through hole, the bottom of described push rod (41) is passed described through hole and is offseted and coordinate with spool (9) top, described filtering mechanism comprises the cyclone blade (31) that is fixedly connected on valve body (1) lower end, be sheathed in cyclone blade (31) and the integrated type filter core being fixedly connected with valve body (1), and the valve inside (34) of water cup (3) bottom is located in installation, described integrated type filter core comprises filter core body (32), and be shaped in the threaded joints (33) on filter core body (32), described filter core 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) coordinating 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), is also provided with the opening (82) can supplied gas flowing through on described cylinder (81) sidewall.
5. mini filtering pressure reducing valve according to claim 1, is characterized in that: the sealed bottom of described filter core body (32) is provided with path stepped part (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420304625.2U CN203963161U (en) | 2014-06-09 | 2014-06-09 | Mini filtering pressure reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420304625.2U CN203963161U (en) | 2014-06-09 | 2014-06-09 | Mini filtering pressure reducing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203963161U true CN203963161U (en) | 2014-11-26 |
Family
ID=51923743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420304625.2U Withdrawn - After Issue CN203963161U (en) | 2014-06-09 | 2014-06-09 | Mini filtering pressure reducing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203963161U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006193A (en) * | 2014-06-09 | 2014-08-27 | 宁波新佳行自动化工业有限公司 | Mini type filtering pressure reducing valve |
| CN108443529A (en) * | 2018-05-08 | 2018-08-24 | 上海皓固机械工业有限公司 | A kind of diaphragm valve |
| CN110425318A (en) * | 2019-08-28 | 2019-11-08 | 浙江工业大学 | A kind of Pressure reducing valve for hot water |
| CN117404504A (en) * | 2023-10-20 | 2024-01-16 | 宁波新佳行自动化工业有限公司 | Multi-station filtering pressure reducing valve for drying and sterilizing activated carbon |
-
2014
- 2014-06-09 CN CN201420304625.2U patent/CN203963161U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006193A (en) * | 2014-06-09 | 2014-08-27 | 宁波新佳行自动化工业有限公司 | Mini type filtering pressure reducing valve |
| CN104006193B (en) * | 2014-06-09 | 2016-04-06 | 宁波新佳行自动化工业有限公司 | Mini filtering pressure reducing valve |
| CN108443529A (en) * | 2018-05-08 | 2018-08-24 | 上海皓固机械工业有限公司 | A kind of diaphragm valve |
| CN108443529B (en) * | 2018-05-08 | 2019-07-02 | 上海皓固机械工业有限公司 | A kind of diaphragm valve |
| CN110425318A (en) * | 2019-08-28 | 2019-11-08 | 浙江工业大学 | A kind of Pressure reducing valve for hot water |
| CN117404504A (en) * | 2023-10-20 | 2024-01-16 | 宁波新佳行自动化工业有限公司 | Multi-station filtering pressure reducing valve for drying and sterilizing activated carbon |
| CN117404504B (en) * | 2023-10-20 | 2024-03-15 | 宁波新佳行自动化工业有限公司 | Multi-station filtering pressure reducing valve for drying and sterilizing activated carbon |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141126 Effective date of abandoning: 20160406 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |