CN101725583A - combined valve - Google Patents
combined valve Download PDFInfo
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- CN101725583A CN101725583A CN200910222569A CN200910222569A CN101725583A CN 101725583 A CN101725583 A CN 101725583A CN 200910222569 A CN200910222569 A CN 200910222569A CN 200910222569 A CN200910222569 A CN 200910222569A CN 101725583 A CN101725583 A CN 101725583A
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Abstract
The invention belongs to the technical field of hydraulic elements, relates to a combined valve device, in particular to a combined valve integrating the functions of a hydraulic control one-way valve, a one-way throttle valve and a relief valve. The combined valve comprises a valve body, wherein a first check valve plug, a second check valve plug, a throttle core rod, a hydraulic control valve plug and an overflow component and other control parts are arranged in the valve body, so that actual requirement can be achieved by using combination of the control parts. The combined valve has smart structure, is compact and reasonable, has no inside connection thereby avoiding leakage point, has simple circuit connection, can be detached and maintained quickly and conveniently, improves production efficiency, has high rigidity and strength, can bear 70MPa hyperpressure, is safe and reliable, has wide application range, integrates the functions of the hydraulic control one-way valve, the one-way throttle valve and the relief valve, can effectively save space, and saves cost.
Description
Technical field
The invention belongs to technical field of hydraulic elements, relate to a kind of combined valve device, specifically a kind of liquid collecting control one-way valve, one-way throttle valve, three kinds of functions of relief valve are in the combination brake switch and proporting of one.
Background technique
In prior art, the main jacking oil circuit of hydraulic pressure localization machine for reach pressurize after the jacking, descend synchronously, pressure release during overburdening, in the oil circuit design, Pilot operated check valve, one-way throttle valve, relief valve must be arranged, if take the valve of three simple functions is used in combination, occupation space is bigger, and the assembling difficulty is higher, and circuit connects complicated, and the connection section header is easy to generate leakage more, causes very big inconvenience to Maintenance and Repair; Though and a little bit smaller relatively valve of volume can be saved some spaces, cost an arm and a leg, cost is too high.
Summary of the invention
The objective of the invention is to overcome deficiency of the prior art, thereby provide a kind of structure ingenious rationally, volume is small and exquisite, circuit connects simple, Maintenance and Repair are combination brake switch and proporting easily, this combination brake switch and proporting liquid collecting control one-way valve, one-way throttle valve, three kinds of functions of relief valve are in one, and conserve space is saved cost effectively.
According to technological scheme provided by the invention, described combination brake switch and proporting comprises valve body, it is characterized in that: offer the first work oilhole, non-return hole, main oil-hole, the second work oilhole, speed governing mounting hole, the second control oilhole and the first control oilhole on the valve body, extend in the first work oilhole and offer first hole, second hole, first hole is connected with the inner of the second control oilhole, second hole is connected with non-return hole, main oil-hole the inner successively, and the sealing of first plug is adopted in the outer end in second hole;
Second nonreturn valve core is encapsulated in the non-return hole by retaining spring and lock bolt, and the bottom in non-return hole is provided with Boilor check valve seat, and under the pressure of retaining spring, the head end of second nonreturn valve core is pressed on the Boilor check valve seat;
The inner of main oil-hole is connected with second hole, and the middle sidepiece of main oil-hole is connected with the second work oilhole, and the sealing of second plug is adopted in the outer end of main oil-hole;
First nonreturn valve core is encapsulated in the second work oilhole by return spring and working pipe joint, and the bottom of the second work oilhole is provided with valve seat, and under the pressure of return spring, the head end of first nonreturn valve core is pressed on the valve seat;
Throttling plug spiral shell is contained in the speed governing mounting hole, and speed governing mounting hole bottom is provided with regulating valve seat, moves axially in the speed governing mounting hole by the screw thread transmission when throttling plug rotates, and makes the throttling plug be adjacent to or leave regulating valve seat, the open gap of control throttling plug;
The hydraulic control spool is encapsulated in the second control oilhole by the control valve joint, and the hydraulic control spool is provided with three through holes, and the control valve joint is provided with axial oil return through-hole, and oil return through-hole is connected with the first control oilhole by three through holes.
As a further improvement on the present invention, offer overflow hole and overflow control hole on the described valve body, overflow hole is connected with the overflow control hole, and the bottom of overflow control hole is connected with the second work oilhole; Steel ball seat, steel ball, thimble, safety spring and push rod are assemblied in the overflow control hole successively, overflow control hole bottom is provided with relief valve seat, steel ball seat is pressed on the relief valve seat, offers the overflow oilhole on the steel ball seat, and steel ball is contained in the steel ball seat, steel ball size is greater than overflow oilhole aperture, steel ball is pressed on the overflow oilhole, and steel ball and steel ball seat hold out against by thimble, safety spring and push rod, and push rod is threaded on the pressing plate, pressing plate is fixed on the valve body, the push rod outer end locking nut that is threaded.
As a further improvement on the present invention, described lock bolt spiral shell is contained on the valve body, and pad is adorned second seal washer between lock bolt and the valve body.
As a further improvement on the present invention, described working pipe joint spiral shell is contained on the valve body, and pad is adorned first seal washer between working pipe joint and the valve body.
As a further improvement on the present invention, be set with O type circle, first back-up ring on the described throttling plug.
As a further improvement on the present invention, adjusting nut is equipped with in described throttling plug outer end.Throttling plug outer end is made as square toes, and adjusting nut is provided with square hole, and adjusting nut is sleeved on the throttling plug, tightens fixing by screw, packing ring.
As a further improvement on the present invention, be set with second back-up ring and O RunddichtringO on the described hydraulic control spool.
The present invention compared with the prior art, advantage is: structure is ingenious, compact and reasonable, not having does not just have leakage point inner the connection yet, simultaneously circuit connect simple, can be rapidly field-strip easily, enhance productivity; Rigidity and intensity height can bear the hyperpressure of 70MPa, and safe and reliable, Applicable scope is extensive; Liquid collecting control one-way valve, one-way throttle valve, three kinds of functions of relief valve are in one, and conserve space is saved cost effectively.
Description of drawings
Fig. 1 is an assembling decomposing schematic representation of the present invention.
Fig. 2 is a structural representation of the present invention.
Fig. 3 is the plan view of Fig. 2.
Description of reference numerals: 1-valve body, 2-first nonreturn valve core, the 3-return spring, 4-first seal washer, 5-working pipe joint, the 6-pressing plate, the 7-steel ball seat, the 8-steel ball, the 9-thimble, the 10-safety spring, the 11-push rod, the 12-locking nut, 13-O type circle, 14-first back-up ring, 15-throttling plug, the 16-adjusting nut, the 17-packing ring, the 18-screw, the 19-bolt, the 20-O RunddichtringO, 21-second back-up ring, 22-hydraulic control spool, 23-control valve joint, 24-first plug, 25-second nonreturn valve core, 26-retaining spring, 27-second seal washer, the 28-lock bolt, 29-second plug, the 30-first work oilhole, first hole of 31-, second hole of 32-, 33-non-return hole, the 34-main oil-hole, the 35-second work oilhole, the 36-overflow hole, 37-overflow control hole, 38-speed governing mounting hole, the 39-second control oilhole, the 40-first control oilhole, 41-overflow oilhole.
Embodiment
Embodiment during following the present invention incites somebody to action in conjunction with the accompanying drawings is further described:
As Fig. 1～shown in Figure 3, the present invention is mainly by valve body 1, first nonreturn valve core 2, return spring 3, first seal washer 4, working pipe joint 5, pressing plate 6, steel ball seat 7, steel ball 8, thimble 9, safety spring 10, push rod 11, locking nut 12, O shape circle 13, first back-up ring 14, throttling plug 15, adjusting nut 16, packing ring 17, screw 18, bolt 19, O-ring seals 20, second back-up ring 21, hydraulic control spool 22, control valve joint 23, first plug 24, second nonreturn valve core 25, thrust spring 26, second seal washer 27, lock bolt 28, second plug, 29 parts such as grade are formed.
As shown in Figure 2, offer the first work oilhole 30 on the valve body 1, non-return hole 33, main oil-hole 34, the second work oilhole 35, overflow hole 36, overflow control hole 37, speed governing mounting hole 38, the second control oilhole 39 and the first control oilhole 40, the first work oilhole 30 is opened on the right flank of valve body 1, extend in the first work oilhole 30 and offer first hole 31, second hole 32, first hole 31 is connected with the inner of the second control oilhole 39, second hole 32 successively with non-return hole 33, the inner of main oil-hole 34 and speed governing mounting hole 38 is connected, and 24 sealings of first plug are adopted in the outer end in second hole 32.
As shown in Figure 2, non-return hole 33 is opened on the downside of valve body 1, and second nonreturn valve core 25 is encapsulated in the non-return hole 33 by retaining spring 26 and lock bolt 28, and lock bolt 28 spiral shells are contained on the valve body 1, pad sealing filler ring 27 between lock bolt 28 and the valve body 1; The bottom in non-return hole 33 is provided with Boilor check valve seat, and under the pressure of retaining spring 26, the head end of second nonreturn valve core 25 is pressed on the Boilor check valve seat.
As shown in Figure 2, main oil-hole 34 is opened on the downside of valve body 1, and the inner of main oil-hole 34 is connected with second hole 32, and the middle sidepiece of main oil-hole 34 is connected with the second work oilhole 35, and 29 sealings of second plug are adopted in the outer end of main oil-hole 34.The second work oilhole 35 is opened on the left surface of valve body 1, first nonreturn valve core 2 is encapsulated in the second work oilhole 35 by return spring 3 and working pipe joint 5, working pipe joint 5 spiral shells are contained on the valve body 1, pad is adorned first seal washer 4 between working pipe joint 5 and the valve body 1, the bottom of the second work oilhole 35 is provided with valve seat, under the pressure of return spring 3, the head end of first nonreturn valve core 2 is pressed on the valve seat.
As shown in Figure 2, overflow hole 36 is opened on the left surface of valve body 1, and overflow hole 36 is positioned at the second work oilhole, 35 tops, and overflow hole 36 is connected with overflow control hole 37.Overflow control hole 37 is opened on the upper side of valve body 1, steel ball seat 7, steel ball 8, thimble 9, safety spring 10 and push rod 11 are assemblied in the overflow control hole 37 successively, overflow control hole 37 bottoms are provided with relief valve seat, steel ball seat 7 is pressed on the relief valve seat, offer overflow oilhole 41 on the steel ball seat 7, steel ball 8 is contained in the steel ball seat 7, steel ball 8 diameters are greater than overflow oilhole 41 apertures, steel ball 8 is pressed on the overflow oilhole 41, steel ball 8 and steel ball seat 7 are by thimble 9, safety spring 10 and push rod 11 hold out against, push rod 11 is threaded on the pressing plate 6, and pressing plate 6 adopts bolts 19 to be fixed on the valve body 1, the push rod 11 outer ends locking nut 12 that is threaded.
As shown in Figure 2, speed governing mounting hole 38 is opened on the upper side of valve body 1, and speed governing mounting hole 38 is positioned at the right side of overflow control hole 37, and O type circle 13, first back-up ring 14 are sleeved on the throttling plug 15, throttling plug 15 spiral shells are contained in the speed governing mounting hole 38, and adjusting nut 16 is equipped with in throttling plug 15 outer ends; Speed governing mounting hole 38 bottoms are provided with regulating valve seat, move axially in speed governing mounting hole 38 by the screw thread transmission when throttling plug 15 rotates, thereby make throttling plug 15 be adjacent to or leave regulating valve seat.Described throttling plug 15 outer ends are made as square toes, and adjusting nut 16 is provided with square hole, and adjusting nut 16 is sleeved on the throttling plug 15, tighten fixing by screw 18, packing ring 17.
As shown in Figure 2, the second control oilhole 39 is opened on the upper side of valve body 1, the second control oilhole 39 is positioned at the right side of speed governing mounting hole 38, and second back-up ring 21 and O RunddichtringO 20 are sleeved on the hydraulic control spool 22, and hydraulic control spool 22 is encapsulated in the second control oilhole 39 by control valve joint 23; Hydraulic control spool 22 is provided with three through holes, and control valve joint 23 is provided with axial oil return through-hole, oil return through-hole by three through holes be opened in valve body 1 right flank on first control oilhole 40 be connected.
As shown in Figure 2, working principle of the present invention and working procedure are as follows:
The first work oilhole 30 of combination brake switch and proporting is connected with hydraulic station, working pipe joint 5 on the combination brake switch and proporting second work oilhole 35 is connected with the oil-feed of jacking cylinder, and the oil return of jacking cylinder is directly led to the first control oilhole 40 and is communicated to hydraulic station by the control valve joint 23 on the second control oilhole 39.
During work, 30 oil-feeds of the first work oilhole, hydraulic oil flows to non-return hole 33 via first hole 31, when the pressure of hydraulic oil overcomes the tension force of retaining spring 26, second nonreturn valve core 25 is by under the hydraulic oil pressure, hydraulic oil flows in second hole, and flow to first nonreturn valve core 2 via main oil-hole 34, after the pressure of hydraulic oil overcomes the tension force of return spring 3, first nonreturn valve core 2 is opened by under the hydraulic oil pressure, hydraulic oil flows in the jacking cylinder via the working pipe joint 5 of the second work oilhole 35, carries out the load jacking.Open gap between control throttling plug 15 and the regulating valve seat, the flow velocity of can regulate hydraulic oil, and then the jacking speed of control jacking cylinder.
After jacking cylinder put in place, hydraulic station quit work, and the first work oilhole 30 stops oil-feed, and jacking cylinder causes first nonreturn valve core 2 to be closed because the reaction of load applies oil pressure in the second work oilhole 35; Be in opening state as throttling plug 15, then some hydraulic oil flows into second hole 32 by the open gap of throttling plug 15, flow into then in the center oilhole 42 on second nonreturn valve core 25, thereby nonreturn valve core 25 is closed, hydraulic oil can't be returned from the first work oilhole 30, realize the pressurize braking.
When the over proof pressure of load of jacking cylinder; oil pressure in the second work oilhole 30 overcomes the tension force of the safety spring 10 in the overflow control hole 37; and then promote steel ball 8, thimble 9, safety spring 10; hydraulic oil flows out from overflow hole 36 via steel ball seat 7 overflow oil flow holes 41; alleviate the load of jacking cylinder, protect a whole set of hydraulic system.
When jacking cylinder need return, hydraulic station carried out fuel feeding to the first control oilhole 40 of combination brake switch and proporting, and oil pressure promotes the hydraulic control spool 22 in the second control oilhole 39, and hydraulic control spool 22 moves down the nonreturn valve core 25 in the non-return hole 33 is pushed, thereby the loop is opened; By regulating adjusting nut 16, change the open gap of throttling plug 15, regulate oil return speed.Can make the jacking cylinder of a plurality of points keep descending synchronously by this method.
Claims (8)
1. combination brake switch and proporting, comprise valve body (1), it is characterized in that: offer the first work oilhole (30) on the valve body (1), non-return hole (33), main oil-hole (34), the second work oilhole (35), speed governing mounting hole (38), the second control oilhole (39) and the first control oilhole (40), extend in the first work oilhole (30) and offer first hole (31), second hole (32), first hole (31) is connected with the inner of the second control oilhole (39), second hole (32) successively with non-return hole (33), main oil-hole (34) the inner is connected, and first plug (24) sealing is adopted in the outer end in second hole (32);
Second nonreturn valve core (25) is encapsulated in the non-return hole (33) by retaining spring (26) and lock bolt (28), the bottom in non-return hole (33) is provided with Boilor check valve seat, under the pressure of retaining spring (26), the head end of second nonreturn valve core (25) is pressed on the Boilor check valve seat;
The inner of main oil-hole (34) is connected with second hole (32), and the middle sidepiece of main oil-hole (34) is connected with the second work oilhole (35), and second plug (29) sealing is adopted in the outer end of main oil-hole (34);
First nonreturn valve core (2) is encapsulated in the second work oilhole (35) by return spring (3) and working pipe joint (5), the bottom of the second work oilhole (35) is provided with valve seat, under the pressure of return spring (3), the head end of first nonreturn valve core (2) is pressed on the valve seat;
Throttling plug (15) spiral shell is contained in the speed governing mounting hole (38), speed governing mounting hole (38) bottom is provided with regulating valve seat, when rotating, throttling plug (15) in speed governing mounting hole (38), moves axially by the screw thread transmission, make throttling plug (15) be adjacent to or leave regulating valve seat, the open gap of control throttling plug (15);
Hydraulic control spool (22) is encapsulated in the second control oilhole (39) by control valve joint (23), hydraulic control spool (22) is provided with three through holes, control valve joint (23) is provided with axial oil return through-hole, and oil return through-hole is connected with the first control oilhole (40) by three through holes.
2. combination brake switch and proporting as claimed in claim 1, its feature also is: offer overflow hole (36) and overflow control hole (37) on the valve body (1), overflow hole (36) is connected with overflow control hole (37), and the bottom of overflow control hole (37) is connected with the second work oilhole (35); Steel ball seat (7), steel ball (8), thimble (9), safety spring (10) and push rod (11) are assemblied in the overflow control hole (37) successively, overflow control hole (37) bottom is provided with relief valve seat, steel ball seat (7) is pressed on the relief valve seat, offer overflow oilhole (41) on the steel ball seat (7), steel ball (8) is contained in the steel ball seat (7), steel ball (8) diameter is greater than overflow oilhole (41) aperture, steel ball (8) is pressed on the overflow oilhole (41), steel ball (8) and steel ball seat (7) are by thimble (9), safety spring (10) and push rod (11) hold out against, push rod (11) is threaded on the pressing plate (6), pressing plate (6) is fixed on the valve body (1), push rod (11) the outer end locking nut (12) that is threaded.
3. combination brake switch and proporting as claimed in claim 1 or 2, its feature also is: described lock bolt (28) spiral shell is contained on the valve body (1), and pad is adorned second seal washer (27) between lock bolt (28) and the valve body (1).
4. combination brake switch and proporting as claimed in claim 1 or 2, its feature also is: described working pipe joint (5) spiral shell is contained on the valve body (1), and pad is adorned first seal washer (4) between working pipe joint (5) and the valve body (1).
5. combination brake switch and proporting as claimed in claim 1 or 2, its feature also is: be set with O type circle (13), first back-up ring (14) on the described throttling plug (15).
6. combination brake switch and proporting as claimed in claim 1 or 2, its feature also is: adjusting nut (16) is equipped with in described throttling plug (15) outer end.
7. combination brake switch and proporting as claimed in claim 1 or 2, its feature also is: be set with second back-up ring (21) and O RunddichtringO (20) on the described hydraulic control spool (22).
8. combination brake switch and proporting as claimed in claim 6, its feature also is: described throttling plug (15) outer end is made as square toes, adjusting nut (16) is provided with square hole, and adjusting nut (16) is sleeved on the throttling plug (15), tightens fixing by screw (18), packing ring (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102225691A CN101725583B (en) | 2009-11-20 | 2009-11-20 | Combined valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102225691A CN101725583B (en) | 2009-11-20 | 2009-11-20 | Combined valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101725583A true CN101725583A (en) | 2010-06-09 |
| CN101725583B CN101725583B (en) | 2012-01-18 |
Family
ID=42446988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102225691A Expired - Fee Related CN101725583B (en) | 2009-11-20 | 2009-11-20 | Combined valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101725583B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105840841A (en) * | 2016-05-09 | 2016-08-10 | 贵州大学 | Multifunctional hydraulic combination valve |
| CN108061073A (en) * | 2017-12-19 | 2018-05-22 | 宁波文泽机电技术开发有限公司 | Pressure-control valve and the hydraulic system including the pressure-control valve |
| CN109278791A (en) * | 2018-10-30 | 2019-01-29 | 中车青岛四方车辆研究所有限公司 | Rail vehicle aerobraking control unit |
| CN110748520A (en) * | 2019-09-19 | 2020-02-04 | 山东科技大学 | Needle gauge restrictor |
| CN114483696A (en) * | 2022-02-17 | 2022-05-13 | 河北墨峻科技有限公司 | Multipurpose valve with throttling and unloading functions |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4279271A (en) * | 1979-08-31 | 1981-07-21 | Mac Valves, Inc. | Pressure regulator and flow control valve with pre-exhaust |
| CN2312380Y (en) * | 1997-08-01 | 1999-03-31 | 合肥液压件总厂 | Sliding valve type locking and speed-regulation united valve |
| CN201096115Y (en) * | 2008-01-03 | 2008-08-06 | 常州乙顿液压气动机械制造有限公司 | Hydraulic combined valve |
| CN201568389U (en) * | 2009-11-20 | 2010-09-01 | 无锡亚中自动化设备有限公司 | Combined valve |
-
2009
- 2009-11-20 CN CN2009102225691A patent/CN101725583B/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105840841A (en) * | 2016-05-09 | 2016-08-10 | 贵州大学 | Multifunctional hydraulic combination valve |
| CN108061073A (en) * | 2017-12-19 | 2018-05-22 | 宁波文泽机电技术开发有限公司 | Pressure-control valve and the hydraulic system including the pressure-control valve |
| CN108061073B (en) * | 2017-12-19 | 2019-11-26 | 江苏佳佩环保机械设备有限公司 | Pressure-control valve and hydraulic system including the pressure-control valve |
| CN109278791A (en) * | 2018-10-30 | 2019-01-29 | 中车青岛四方车辆研究所有限公司 | Rail vehicle aerobraking control unit |
| CN109278791B (en) * | 2018-10-30 | 2019-08-27 | 中车青岛四方车辆研究所有限公司 | Rail vehicle aerobraking control unit |
| CN110748520A (en) * | 2019-09-19 | 2020-02-04 | 山东科技大学 | Needle gauge restrictor |
| CN110748520B (en) * | 2019-09-19 | 2021-03-30 | 山东科技大学 | Needle gauge restrictor |
| CN114483696A (en) * | 2022-02-17 | 2022-05-13 | 河北墨峻科技有限公司 | Multipurpose valve with throttling and unloading functions |
| CN114483696B (en) * | 2022-02-17 | 2022-10-14 | 河北墨峻科技有限公司 | Multipurpose valve with throttling and unloading functions |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101725583B (en) | 2012-01-18 |
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Address after: 214122, Jiangsu Wuxi New District National hi tech Industrial Development Zone, Hongshan Town, North Industrial Zone, tin Mei Road Patentee after: Wuxi Yazhong Automation Equipment Parts Co., Ltd. Address before: 214122 Tin Road, north industrial concentration zone, Hongshan Town, Wuxi national hi tech Industrial Development Zone, Jiangsu Patentee before: Wuxi Yazhong Automation Equipment Parts Co., Ltd. |
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| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 214122, Jiangsu Wuxi New District National hi tech Industrial Development Zone, Hongshan Town, North Industrial Zone, tin Mei Road Patentee after: Wuxi Yazhong Automation Equipment Co., Ltd. Address before: 214122 Tin Road, north industrial concentration zone, Hongshan Town, Wuxi national hi tech Industrial Development Zone, Jiangsu Patentee before: Wuxi Yazhong Automation Equipment Parts Co., Ltd. |
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| 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: 20120118 Termination date: 20161120 |