CN205207816U - Stack relief pressure valve - Google Patents
Stack relief pressure valve Download PDFInfo
- Publication number
- CN205207816U CN205207816U CN201521034143.0U CN201521034143U CN205207816U CN 205207816 U CN205207816 U CN 205207816U CN 201521034143 U CN201521034143 U CN 201521034143U CN 205207816 U CN205207816 U CN 205207816U
- Authority
- CN
- China
- Prior art keywords
- chamber
- piston
- main aperture
- offers
- valve body
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model provides a stack relief pressure valve, its includes the valve body, offered a main aperture on the valve body, be equipped with first -class chamber and second on the interior pore wall of main aperture and flow the chamber, the lateral wall of valve body has been offered the oil feed and has been said and go out the oil duct, is equipped with the case in the main aperture, the radial protruding collar flange that is equipped with in middle part of case, collar flange can block or feed through first -class chamber and flow the chamber with the second, has an interior tube hole that is the blind hole structure in the case, and the one end of being close to inner tube drill way portion on the case has first piston, the other end has the second piston, the both ends of main aperture are provided with a threaded attachment hole and the 2nd threaded attachment hole respectively, install the adjusting collar among the threaded attachment hole, are provided with ball seat, traveller and compression spring in the adjusting collar, are equipped with the ball on the ball seat, are equipped with first discharge orifice and second discharge orifice on the case, lie in in the main aperture around going out a decompression chamber between first piston and the ball seat, have still offered a decompression oil duct on the valve body, decompression chamber and decompression oil duct intercommunication.
Description
Technical field
The utility model relates to hydraulic valve piece apparatus field, particularly one superposition reduction valve.
Background technique
Reduction valve is the outlet pressure that inlet pressure is reduced to a certain needs by a kind of aperture by the open-shut device in control valve body, and relies on the energy of medium itself, makes the valve that outlet pressure keeps stable automatically.Traditional structure of relief pressure valve is complicated, install inconvenience, and regulating effect is poor.
Model utility content
The purpose of this utility model is to provide a kind of superposition reduction valve, and its technical problem to be solved is: traditional structure of relief pressure valve is complicated, installs trouble, and inner spool motion is not smooth, cause effect of easing stress bad, and outlet pressure is unstable.
For solving the problems of the technologies described above, the utility model provides a kind of superposition reduction valve, it comprises valve body, described valve body offers the main aperture that runs through described body length direction, what the inner hole wall of described main aperture distributed vertically is provided with the first-class chamber and second chamber that footpath concaves, the sidewall of described valve body offers the oil input channel and oil road that are communicated with described first-class chamber and second chamber respectively, that can slide to axial in described main aperture is provided with a shaft-like spool, the middle part radial convex of described spool is provided with the collar flange that a diameter and described main aperture internal diameter match, described spool slides axially and described collar flange can be driven to move between described first-class chamber and second chamber, and then it is capable of blocking or be communicated with described first-class chamber and second chamber, there is in described spool the inner orifice that is blind hole structure, one end near inner orifice oral area on described spool has first piston, the other end has the second piston, the diameter of described first piston and the second piston all matches with described main aperture,
The two ends of described main aperture are respectively arranged with the first threaded mounting hole and the second threaded mounting hole, the adjustment sleeve of a tubular is installed with in described first threaded mounting hole, the ball seat that all can slide to axial is provided with in described adjustment sleeve, traveller and two ends hold the Compress Spring on ball seat and traveller respectively, described ball seat is corresponding with inner orifice oral area one end of described spool, the other end corresponding with described valve body on the inner tube wall of described adjustment sleeve is provided with inner side back-up ring, the inner hole wall that described inner side back-up ring surrounds into has internal thread, the other end that described traveller is corresponding with described ball seat has an adjustable lever, what described adjustable lever was threaded is plugged in the back-up ring of described inner side, described ball seat is fixedly installed the ball that a diameter is greater than described inner orifice, described ball holds the oral area at described inner orifice, on described spool the one end at inner orifice oral area place with the axial plane between first piston offers the first discharge orifice being communicated with described inner orifice, the axial plane of one end of the corresponding described collar flange of described second piston offers the dredging flow groove of a ring-type, described dredging flow groove is moveable in described second chamber, the diapire of described dredging flow groove offers the second discharge orifice being communicated with described inner orifice, in described main aperture between first piston and ball seat around a relief chamber, described valve body also offers a decompression oil duct, described relief chamber is communicated with described decompression oil duct, a screw plug is installed with in described second threaded mounting hole.
Be preferable over: on described screw plug, the side of corresponding described main aperture is provided with one and can inserts boss in described main aperture, described boss supports one end of corresponding described second piston on described spool, the other end corresponding with described valve body on described screw plug offers taper pipe thread hole, on described boss, one end of corresponding described spool offers blind hole, described blind hole is communicated with described taper pipe thread hole, described taper pipe thread hole is also communicated with described second threaded mounting hole, and what can mate in described taper pipe thread hole is provided with cone blocking.
Be preferable over: the axial plane of described first piston and the second piston all offers the annular groove that multiple tracks distributes vertically.
Be preferable over: the axial plane of described first piston offers the annular groove that six roads distribute vertically, the axial plane of described second piston offer the annular groove that three roads distribute vertically.
Compared with prior art, the beneficial effects of the utility model are: flow out from described oil road after can flowing into described second chamber by the described oil input channel flowing medium flowed in described first-class chamber, under normality, described collar flange is arranged in described second chamber, and flow area between main aperture between described collar flange and described first-class chamber to second chamber is little, and then control described first-class chamber and flow to end flow in second chamber, realize the pressure reducing described oil road, when the fluid flow that described oil input channel inputs first-class chamber exceedes the flow in inflow second chamber, first-class chamber, flowing medium in first-class chamber promotes described first piston and slides axially and hold described ball and compress described Compress Spring, described collar flange is made to move to the flow area increasing in described first-class chamber and be communicated with between described first-class chamber and second chamber, meanwhile described dredging flow groove moves in second chamber, the flowing medium flowed in second chamber can flow in inner orifice by the second discharge orifice while inflow oil road, and flow in relief chamber by the first discharge orifice, flowing medium in relief chamber can flow into decompression oil duct, realize fully decompression, after the pressure in first-class chamber reduces, Compress Spring can drive described spool to set back.
Accompanying drawing explanation
Fig. 1 is sectional structure schematic diagram of the present utility model.
Fig. 2 is another angle sectional structure schematic diagram of the present utility model.
Fig. 3 is the sectional structure schematic diagram of spool of the present utility model.
Embodiment
Below with reference to accompanying drawing 1-3 and preferred embodiment, the one superposition reduction valve that the utility model proposes specifically is illustrated.
The utility model provides a kind of superposition reduction valve, it comprises valve body 1, described valve body 1 offers the main aperture 11 that runs through described body length direction, what the inner hole wall of described main aperture 11 distributed vertically is provided with the first-class chamber 12 and second chamber 13 that footpath concaves, the sidewall of described valve body 1 offers the oil input channel P1 and oil road P2 that are communicated with described first-class chamber 12 and second chamber 13 respectively, that can slide to axial in described main aperture 11 is provided with a shaft-like spool 2, the middle part radial convex of described spool 2 is provided with the collar flange 21 that a diameter and described main aperture 11 internal diameter match, described spool 1 slides axially and described collar flange 21 can be driven to move between described first-class chamber 12 and second chamber 13, and then it is capable of blocking or be communicated with described first-class chamber 12 and second chamber 13, there is in described spool 2 inner orifice 22 that is blind hole structure, one end near inner orifice 22 oral area on described spool 2 has first piston 23, the other end has the second piston 24, the diameter of described first piston 23 and the second piston 24 all matches with described main aperture 11, the axial plane of described first piston 23 and the second piston 24 all offers the annular groove 25 that multiple tracks distributes vertically, flowing medium can be entered along with sliding axially of spool 2 in described annular groove 25, and then realize sealing and slip lubrication assistant, avoid the planar friction between piston and main aperture 11, the two ends of described main aperture 11 are respectively arranged with the first threaded mounting hole 14 and the second threaded mounting hole 15, the adjustment sleeve 3 of a tubular is installed with in described first threaded mounting hole 14, the ball seat 31 that all can slide to axial is provided with in described adjustment sleeve 3, traveller 32 and two ends hold the Compress Spring 33 on ball seat 31 with traveller 32 respectively, the diameter of described ball seat 31 and traveller 32 all matches with the internal diameter of the interior bore of described adjustment sleeve 3, described ball seat 31 is corresponding with inner orifice 22 oral area one end of described spool 2, the other end corresponding with described valve body 1 on the inner tube wall of described adjustment sleeve 3 is provided with inner side back-up ring 34, the inner hole wall that described inner side back-up ring 34 surrounds into has internal thread, the other end that described traveller 32 is corresponding with described ball seat 31 has an adjustable lever 35, what described adjustable lever 35 was threaded is plugged in described inner side back-up ring 34, described ball seat 31 is fixedly installed the ball 36 that a diameter is greater than described inner orifice 22, described ball 36 holds the oral area at described inner orifice 22, on described spool 2 the one end at inner orifice 22 oral area place with the axial plane between first piston 23 offers the first discharge orifice 26 being communicated with described inner orifice 22, the axial plane of one end of the corresponding described collar flange 21 of described second piston 24 offers the dredging flow groove 27 of a ring-type, described dredging flow groove 27 is moveable in described second chamber 13, the diapire of described dredging flow groove 27 offers the second discharge orifice 28 being communicated with described inner orifice 22, in described main aperture 11 between first piston 23 and ball seat 31 around a relief chamber 16, described valve body 1 also offers a decompression oil duct T, described relief chamber 16 is communicated with described decompression oil duct T, a screw plug 4 is installed with in described second threaded mounting hole 15, on described screw plug 4, the side of corresponding described main aperture 11 is provided with one and can inserts boss 41 in described main aperture 11, described boss 41 supports one end of corresponding described second piston 24 on described spool 2, the other end corresponding with described valve body 1 on described screw plug 4 offers taper pipe thread hole 42, on described boss 41, one end of corresponding described spool 2 offers blind hole 43, described blind hole 43 is communicated with described taper pipe thread hole 42, described taper pipe thread hole 42 is also communicated with described second threaded mounting hole 15, what can mate in described taper pipe thread hole 42 is provided with cone blocking 44 or pressure gauge, this structure can reduce auxiliary hole and specially do pressure tap.
The axial plane of described first piston 23 offers the annular groove 25 that six roads distribute vertically, the axial plane of described second piston 24 offers the annular groove 25 that three roads distribute vertically.
Described on comprehensive, the technical solution of the utility model fully effectively can complete above-mentioned model utility object, and structural principle of the present utility model and the principle of work and power are all verified in an embodiment fully, and effect and the object of expection can be reached, and embodiment of the present utility model also can convert according to these principles, therefore, the utility model comprise all in claim mention all replacement contents in scope.Any equivalence change done in the utility model claim, within the scope of the claims of all genus this case applications.
Claims (4)
1. a superposition reduction valve, it comprises valve body, it is characterized in that: described valve body offers the main aperture that runs through described body length direction, what the inner hole wall of described main aperture distributed vertically is provided with the first-class chamber and second chamber that footpath concaves, the sidewall of described valve body offers the oil input channel and oil road that are communicated with described first-class chamber and second chamber respectively, that can slide to axial in described main aperture is provided with a shaft-like spool, the middle part radial convex of described spool is provided with the collar flange that a diameter and described main aperture internal diameter match, described spool slides axially and described collar flange can be driven to move between described first-class chamber and second chamber, and then it is capable of blocking or be communicated with described first-class chamber and second chamber, there is in described spool the inner orifice that is blind hole structure, one end near inner orifice oral area on described spool has first piston, the other end has the second piston, the diameter of described first piston and the second piston all matches with described main aperture,
The two ends of described main aperture are respectively arranged with the first threaded mounting hole and the second threaded mounting hole, the adjustment sleeve of a tubular is installed with in described first threaded mounting hole, the ball seat that all can slide to axial is provided with in described adjustment sleeve, traveller and two ends hold the Compress Spring on ball seat and traveller respectively, described ball seat is corresponding with inner orifice oral area one end of described spool, the other end corresponding with described valve body on the inner tube wall of described adjustment sleeve is provided with inner side back-up ring, the inner hole wall that described inner side back-up ring surrounds into has internal thread, the other end that described traveller is corresponding with described ball seat has an adjustable lever, what described adjustable lever was threaded is plugged in the back-up ring of described inner side, described ball seat is fixedly installed the ball that a diameter is greater than described inner orifice, described ball holds the oral area at described inner orifice, on described spool the one end at inner orifice oral area place with the axial plane between first piston offers the first discharge orifice being communicated with described inner orifice, the axial plane of one end of the corresponding described collar flange of described second piston offers the dredging flow groove of a ring-type, described dredging flow groove is moveable in described second chamber, the diapire of described dredging flow groove offers the second discharge orifice being communicated with described inner orifice, in described main aperture between first piston and ball seat around a relief chamber, described valve body also offers a decompression oil duct, described relief chamber is communicated with described decompression oil duct, a screw plug is installed with in described second threaded mounting hole.
2. superpose reduction valve as claimed in claim 1, it is characterized in that: on described screw plug, the side of corresponding described main aperture is provided with one and can inserts boss in described main aperture, described boss supports one end of corresponding described second piston on described spool, the other end corresponding with described valve body on described screw plug offers taper pipe thread hole, on described boss, one end of corresponding described spool offers blind hole, described blind hole is communicated with described taper pipe thread hole, described taper pipe thread hole is also communicated with described second threaded mounting hole, and what can mate in described taper pipe thread hole is provided with cone blocking.
3. superpose reduction valve as claimed in claim 2, it is characterized in that: the axial plane of described first piston and the second piston all offers the annular groove that multiple tracks distributes vertically.
4. superpose reduction valve as claimed in claim 3, it is characterized in that: the axial plane of described first piston offers the annular groove that six roads distribute vertically, the axial plane of described second piston offers the annular groove that three roads distribute vertically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521034143.0U CN205207816U (en) | 2015-12-14 | 2015-12-14 | Stack relief pressure valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521034143.0U CN205207816U (en) | 2015-12-14 | 2015-12-14 | Stack relief pressure valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205207816U true CN205207816U (en) | 2016-05-04 |
Family
ID=55845534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521034143.0U Expired - Fee Related CN205207816U (en) | 2015-12-14 | 2015-12-14 | Stack relief pressure valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205207816U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387828A (en) * | 2017-09-04 | 2017-11-24 | 东莞市旭欧精密五金制品有限公司 | A kind of Depressure valve |
| CN110332166A (en) * | 2019-07-09 | 2019-10-15 | 南通翔骜液压润滑设备有限公司 | Stacked compression release valve |
| CN110450447A (en) * | 2019-07-04 | 2019-11-15 | 刘阳辉 | A kind of pumpkin shell reinforcement crushing equipment |
-
2015
- 2015-12-14 CN CN201521034143.0U patent/CN205207816U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387828A (en) * | 2017-09-04 | 2017-11-24 | 东莞市旭欧精密五金制品有限公司 | A kind of Depressure valve |
| CN110450447A (en) * | 2019-07-04 | 2019-11-15 | 刘阳辉 | A kind of pumpkin shell reinforcement crushing equipment |
| CN110332166A (en) * | 2019-07-09 | 2019-10-15 | 南通翔骜液压润滑设备有限公司 | Stacked compression release valve |
| CN110332166B (en) * | 2019-07-09 | 2021-02-09 | 南通翔骜液压润滑设备有限公司 | Stacked pressure reducing valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205207816U (en) | Stack relief pressure valve | |
| CN202834257U (en) | High pressure reducing ratio constant pressure pressure-reducing valve | |
| CN203214993U (en) | Novel pressure reducing valve | |
| CN201851716U (en) | Reducing valve | |
| CN108518372B (en) | Automatic flow-regulating combined valve | |
| CN104089027A (en) | Throttling valve with linear flow characteristic and large through-flow (Cv value) | |
| CN110671519B (en) | Tubular flow control valve | |
| CN202301250U (en) | Ultrahigh pressure proportional relief valve | |
| CN108223475B (en) | Compact one-way sequence valve | |
| CN102865392B (en) | Flow control valve | |
| CN202659905U (en) | Throttling valve | |
| CN206449267U (en) | Flow controls valve assembly | |
| CN106151274B (en) | Two-part annular gap throttling set | |
| CN202834255U (en) | Flow control valve | |
| CN204239784U (en) | A kind of emery wheel modulating valve with emery wheel lubricating structure | |
| CN205190406U (en) | Stack one -way throttle valve | |
| CN203431260U (en) | Angle type differential pressure valve | |
| CN201306512Y (en) | Cushion valve | |
| CN204805203U (en) | Compact one -way throttle valve | |
| CN203656291U (en) | Stacked pressure reducing valve | |
| CN104358905A (en) | Automatic flow rate control device | |
| CN204176065U (en) | A kind of flow automatic control device | |
| CN203926924U (en) | The throttling stop valve of overlapping P mouth | |
| CN204253679U (en) | A kind of motor vehicle brake fluid releasing device | |
| CN109630490B (en) | Hydraulic speed regulating valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160504 Termination date: 20171214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |