CN205190406U - Stack one -way throttle valve - Google Patents
Stack one -way throttle valve Download PDFInfo
- Publication number
- CN205190406U CN205190406U CN201521033918.2U CN201521033918U CN205190406U CN 205190406 U CN205190406 U CN 205190406U CN 201521033918 U CN201521033918 U CN 201521033918U CN 205190406 U CN205190406 U CN 205190406U
- Authority
- CN
- China
- Prior art keywords
- main aperture
- oil duct
- valve plug
- valve
- hole
- 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
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- Lift Valve (AREA)
Abstract
The utility model provides a stack one -way throttle valve, the present invention comprises a valve body, the main aperture has been seted up in the valve body, be provided with a case subassembly in the main aperture, the both sides that correspond the main aperture on the valve body are provided with first oil duct and second oil duct respectively, the case subassembly includes valve plug stem, mount pad and one -way valve plug, the mount pad is the tube -shape and passes through the external screw thread spiro union at the main aperture oral area, the one end that corresponds the main aperture outer in the hole of mount pad is equipped with inboard retaining ring, the grafting of valve plug stem thread engagement is in inboard retaining ring, one -way valve plug is set tube -shape and the cover is located on the valve plug stem, the last still cover of valve plug stem is equipped with both ends respectively to holding compression spring on one -way valve plug and mount pad, the upper step hole that is provided with between the position that feeds through with first oil duct and second oil duct respectively of interior pore wall of main aperture, one -way valve plug supports holds the hole shoulder -mounted in the step hole, valve plug stem is last to be arranged in and to offer coaxial blind hole on the terminal surface of the one end of main aperture, the orifice has been seted up on the pore wall of blind hole, the orifice is corresponding to the second oil duct.
Description
Technical field
The utility model relates to hydraulic valve piece apparatus field, particularly one superposition one-way throttle valve.
Background technique
Throttle valve is a kind of skeleton symbol flow control valve, its pressure mainly utilizing fluid to carry out adjust flux by changing passage section during valve or change before and after valve, is superposed by throttle valve, may be combined with into an one-way throttle valve with one-way valve.This one-way throttle valve can play throttling action when fluid forward flow, and when reverse fluid flow, fluid forces one-way valve opens forms major path, does not play throttling action.Traditional stacked unidirectional throttle valve complex structure, and be difficult to the pressure of adjustment needed for one-way valve opens and the throttle-flow of throttle valve.
Model utility content
The purpose of this utility model is to provide a kind of superposition one-way throttle valve, and its technical problem to be solved is: traditional stacked unidirectional throttle valve is difficult to the flow area of cracking pressure size and the adjustment throttle valve accomplishing to adjust one-way valve.
For solving the problems of the technologies described above, the utility model provides a kind of superposition one-way throttle valve, it comprises valve body, in described valve body, two ends along its length offer symmetrical main aperture respectively, the oral area blocking of main aperture described in one of them has a screw plug, a mangetic core assembly is provided with in another main aperture, on described valve body, the both sides of corresponding each described main aperture are respectively arranged with the first oil duct and the second oil duct that are communicated with described main aperture, described first oil duct correspondence is communicated to the bottom of described main aperture, on the sidewall being communicated to described main aperture middle section position that described second oil duct and described first oil duct misplace, described mangetic core assembly comprises valve core rod, fitting seat and unidirectional valve plug, described fitting seat is tubular and by external thread bolt connection at described main aperture oral area, one end in the endoporus of described fitting seat outside corresponding main aperture is provided with inner side back-up ring, and the hole wall of described inner side back-up ring is provided with internal thread, described valve core rod thread engagement be plugged in the back-up ring of described inner side, described unidirectional valve plug be sleeve-shaped and be sheathed on described valve core rod is arranged in described main aperture one end on, described valve core rod is also arranged with two ends and supports Compress Spring on described unidirectional valve plug and fitting seat respectively, the inner hole wall of described main aperture is provided with a step hole between the position be communicated with described first oil duct and the second oil duct respectively, described unidirectional valve plug supports on the shoulder of the hole of described step hole, the end face described valve core rod being arranged in one end of described main aperture offers coaxial blind hole, the hole wall of described blind hole offers throttle orifice, described throttle orifice corresponds to described second oil duct.
Be preferable over: described valve core rod is made up of coaxial spool post and adjustable lever, the diameter of described spool post and the internal orifice dimension of described fitting seat match, described spool axis of a cylinder is to being limited between described inner side back-up ring and described main aperture bottom, the internal diameter of described unidirectional valve plug and the diameter of described spool post match, described unidirectional valve plug can slide axially by relatively described spool post, and described adjustable lever screw thread is plugged in the back-up ring of described inner side.
Be preferable over: the oral area of described main aperture is provided with the screw socket section poroid in step and inserting section from outside to inside successively, on described fitting seat, the inserting section of corresponding described main aperture oral area and screw socket section are axially disposed with inserting paragraph, the section of being spirally connected and the lever piece for confession tool holding, what described inserting paragraph was mated is inserted in described inserting section, the described section of being spirally connected thread engagement be plugged in described screw socket section, described lever piece is positioned at outside described main aperture oral area, the axial plane of described inserting paragraph offers the seal mounting groove of annular, installation seal ring is embedded with in described seal mounting groove.
Be preferable over: the axial plane of described spool post offers slipper seal groove, in described slipper seal groove, be embedded with sliding ring.
Compared with prior art, the beneficial effects of the utility model are: described spool post is as the main body of throttle valve, when fluid enters described main aperture from described second oil duct, enter described first oil duct after flowing through described blind hole by described throttle orifice, and then realize the object of throttling; When fluid enters described main aperture from described first oil duct, the pressure of fluid can promote the elastic force that described unidirectional valve plug overcomes described Compress Spring and slide axially on described spool post, and then the hole of open described unidirectional valve plug and described step hole take between circulation path form major path, formation one-way valve; In the process, by the axial motion regulating described adjustable lever to control described spool post, described throttle orifice can be slipped within described unidirectional valve plug, and then can control the flow area of described throttle orifice; And the degree of depth in described main aperture can be inserted by the described fitting seat of control to a certain degree, and then adjust the pretightening force of the Compress Spring between described fitting seat and described unidirectional valve plug, realize adjusting the cracking pressure of one-way valve.
Accompanying drawing explanation
Fig. 1 is sectional structure schematic diagram of the present utility model.
Embodiment
Below with reference to accompanying drawing 1 and preferred embodiment, the one superposition one-way throttle valve that the utility model proposes specifically is illustrated.
The utility model provides a kind of superposition one-way throttle valve, it comprises valve body 1, in described valve body 1, two ends along its length offer symmetrical main aperture (11a respectively, 11b), the oral area blocking of wherein said main aperture 11b has a screw plug 12, a mangetic core assembly 2 is provided with in described main aperture 11a, corresponding each described main aperture (11a on described valve body 1, both sides 11b) are respectively arranged with the first oil duct (A1 being communicated with described main aperture, and the second oil duct (A2 B1), B2), described first oil duct (A1, B1) correspondence is communicated to described main aperture (11a, bottom 11b), described second oil duct (A2, B2) with described first oil duct (A1, what B1) misplace is communicated to described main aperture (11a, on the sidewall of 11b) middle section position, described mangetic core assembly 2 comprises valve core rod 21, fitting seat 22 and unidirectional valve plug 23, described fitting seat 22 is in tubular and by external thread bolt connection at described main aperture 11a oral area, one end in the endoporus of described fitting seat 22 outside corresponding main aperture 11b is provided with inner side back-up ring 221, and the hole wall of described inner side back-up ring 221 is provided with internal thread, described valve core rod 21 thread engagement be plugged in described inner side back-up ring 221, described unidirectional valve plug 23 in sleeve-shaped and be sheathed on described valve core rod 21 is arranged in described main aperture 11a one end on, described valve core rod 21 being also arranged with two ends supports at described unidirectional valve plug 23 and Compress Spring 24 on fitting seat 22 respectively, described main aperture (11a, inner hole wall 11b) is positioned at respectively with described first oil duct (A1, and the second oil duct (A2 B1), B2) step hole is provided with between the position be communicated with, described unidirectional valve plug 23 supports on the shoulder of the hole of described step hole, and then the passage between described valve core rod 21 and the hole wall of described main aperture 11a is carried out axial unidirectional blocking, the end face described valve core rod 21 being arranged in one end of described main aperture 11a offers coaxial blind hole 211, the hole wall of described blind hole 211 offers throttle orifice 212, described throttle orifice 212 corresponds to described second oil duct A2, the utility model in the specific implementation, can by described valve core rod 21 as fixed spool, and utilize the described unidirectional valve plug 23 that can slide to axial to carry out unidirectional blocking to the passage gaps between described valve core rod 21 and described main aperture 11a, form described first oil duct A1 and can lead to one-way valve to the second oil duct A2, otherwise be then that described second oil duct A2 is by described throttle orifice 212, blind hole 211 and main aperture 11a flow to the throttle valve to the first oil duct A1.
Described valve core rod 21 is made up of coaxial spool post 213 and adjustable lever 214, the diameter of described spool post 213 and the internal orifice dimension of described fitting seat 22 match, described spool post 213 is axially limited between described inner side back-up ring 221 and described main aperture 11a bottom, the internal diameter of described unidirectional valve plug 23 and the diameter of described spool post 213 match, described unidirectional valve plug 23 can slide axially by relatively described spool post 213, described adjustable lever 214 screw thread is plugged in described inner side back-up ring 221, the oral area of described main aperture 11a is provided with the screw socket section poroid in step and inserting section from outside to inside successively, on described fitting seat 22, the inserting section of corresponding described main aperture 11a oral area and screw socket section are axially disposed with inserting paragraph, the section of being spirally connected and the lever piece 222 for confession tool holding, what described inserting paragraph was mated is inserted in described inserting section, the described section of being spirally connected thread engagement be plugged in described screw socket section, described lever piece 222 is positioned at outside described main aperture 11a oral area, the axial plane of described inserting paragraph offers the seal mounting groove 223 of annular, be embedded with in described seal mounting groove 223 and seal ring 224 is installed, the axial plane of described spool post 213 offers slipper seal groove 215, sliding ring 216 is embedded with in described slipper seal groove 215.
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 one-way throttle valve, it comprises valve body, in described valve body, two ends along its length offer symmetrical main aperture respectively, it is characterized in that: the oral area blocking of main aperture described in one of them has a screw plug, a mangetic core assembly is provided with in another main aperture, on described valve body, the both sides of corresponding each described main aperture are respectively arranged with the first oil duct and the second oil duct that are communicated with described main aperture, described first oil duct correspondence is communicated to the bottom of described main aperture, on the sidewall being communicated to described main aperture middle section position that described second oil duct and described first oil duct misplace, described mangetic core assembly comprises valve core rod, fitting seat and unidirectional valve plug, described fitting seat is tubular and by external thread bolt connection at described main aperture oral area, one end in the endoporus of described fitting seat outside corresponding main aperture is provided with inner side back-up ring, and the hole wall of described inner side back-up ring is provided with internal thread, described valve core rod thread engagement be plugged in the back-up ring of described inner side, described unidirectional valve plug be sleeve-shaped and be sheathed on described valve core rod is arranged in described main aperture one end on, described valve core rod is also arranged with two ends and supports Compress Spring on described unidirectional valve plug and fitting seat respectively, the inner hole wall of described main aperture is provided with a step hole between the position be communicated with described first oil duct and the second oil duct respectively, described unidirectional valve plug supports on the shoulder of the hole of described step hole, the end face described valve core rod being arranged in one end of described main aperture offers coaxial blind hole, the hole wall of described blind hole offers throttle orifice, described throttle orifice corresponds to described second oil duct.
2. superpose one-way throttle valve as claimed in claim 1, it is characterized in that: described valve core rod is made up of coaxial spool post and adjustable lever, the diameter of described spool post and the internal orifice dimension of described fitting seat match, described spool axis of a cylinder is to being limited between described inner side back-up ring and described main aperture bottom, the internal diameter of described unidirectional valve plug and the diameter of described spool post match, described unidirectional valve plug can slide axially by relatively described spool post, and described adjustable lever screw thread is plugged in the back-up ring of described inner side.
3. superpose one-way throttle valve as claimed in claim 2, it is characterized in that: the oral area of described main aperture is provided with the screw socket section poroid in step and inserting section from outside to inside successively, on described fitting seat, the inserting section of corresponding described main aperture oral area and screw socket section are axially disposed with inserting paragraph, the section of being spirally connected and the lever piece for confession tool holding, what described inserting paragraph was mated is inserted in described inserting section, the described section of being spirally connected thread engagement be plugged in described screw socket section, described lever piece is positioned at outside described main aperture oral area, the axial plane of described inserting paragraph offers the seal mounting groove of annular, installation seal ring is embedded with in described seal mounting groove.
4. superpose one-way throttle valve as claimed in claim 3, it is characterized in that: the axial plane of described spool post offers slipper seal groove, in described slipper seal groove, be embedded with sliding ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521033918.2U CN205190406U (en) | 2015-12-14 | 2015-12-14 | Stack one -way throttle valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521033918.2U CN205190406U (en) | 2015-12-14 | 2015-12-14 | Stack one -way throttle valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205190406U true CN205190406U (en) | 2016-04-27 |
Family
ID=55783401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521033918.2U Expired - Fee Related CN205190406U (en) | 2015-12-14 | 2015-12-14 | Stack one -way throttle valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205190406U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720648A (en) * | 2020-05-14 | 2020-09-29 | 江阴市节流装置厂有限公司 | Plunger type pore plate |
| CN112413148A (en) * | 2020-12-05 | 2021-02-26 | 左成林 | Hydraulic control one-way valve |
-
2015
- 2015-12-14 CN CN201521033918.2U patent/CN205190406U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111720648A (en) * | 2020-05-14 | 2020-09-29 | 江阴市节流装置厂有限公司 | Plunger type pore plate |
| CN111720648B (en) * | 2020-05-14 | 2022-08-19 | 江阴市节流装置厂有限公司 | Plunger type pore plate |
| CN112413148A (en) * | 2020-12-05 | 2021-02-26 | 左成林 | Hydraulic control one-way valve |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160427 Termination date: 20171214 |