CN104948537A - Flushing valve - Google Patents
Flushing valve Download PDFInfo
- Publication number
- CN104948537A CN104948537A CN201510356964.4A CN201510356964A CN104948537A CN 104948537 A CN104948537 A CN 104948537A CN 201510356964 A CN201510356964 A CN 201510356964A CN 104948537 A CN104948537 A CN 104948537A
- Authority
- CN
- China
- Prior art keywords
- spool
- valve
- valve body
- valve pocket
- filler opening
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
Abstract
The invention relates to a flushing valve which comprises a valve body and a valve element. A valve cavity is formed in the valve body. A valve element hole for the valve element to be inserted is formed in the valve body, one end of the valve element penetrates through the valve element hole and extends into the valve cavity, the other end of the valve element extends out of the valve body, the valve element and the valve body are matched in an ascending and descending mode, a reset piece for resetting the valve element is arranged in the valve cavity, a limiting plate used for preventing the valve element to be separated from the valve cavity is arranged on the valve element in the valve cavity, an oil inlet is formed in the valve element and communicated with the valve cavity, an oil outlet communicated with the valve cavity is formed in the valve body, and a sealing structure used for sealing the oil inlet or the oil outlet when the valve element descends is arranged between the valve body and the valve element. According to the technical scheme, the flushing valve can flush impurities in an oil channel, enables the cooling effect of a hydraulic transmission device to be good, and enables a motor to be started and braked more stably.
Description
Technical field
The present invention relates to valve field, particularly a kind of flushing valve.
Background technique
Existing a kind of hydraulic transmission, include oil pump, motor, first oil duct, the second oil duct, first oil duct, the second oil duct two ends are connected with oil pump, motor respectively, oil pump, the first oil duct, motor, the second oil duct form oil hydraulic circuit, when fluid in oil pump flows into motor from the first oil duct, flow back to through the second oil duct the rotating forward that oil pump realizes motor; When fluid in oil pump flows into motor from the second oil duct, flow back to through the first oil duct the reversion that oil pump realizes motor.But in use, the impurity in the first oil duct, the second oil duct can not rinse this transmission device, and this transmission device radiating effect is poor, make motor starting, braking not steady.
Summary of the invention
Object of the present invention: in order to overcome the defect of prior art, the invention provides a kind of flushing valve, it can rinse the impurity in oil duct, and, make hydraulic transmission good heat dissipation effect, motor starting, braking more steady.
Technological scheme of the present invention: a kind of flushing valve, it is characterized in that: include valve body, spool, valve pocket is provided with in described valve body, valve body is provided with the spool bore inserted for spool, spool one end extends in valve pocket through spool bore, the other end extends to outside valve body, spool is elevated with valve body and coordinates, the return unit for the spool that resets is provided with in valve pocket, the spool being positioned at valve pocket is provided with the limiting board for preventing spool from departing from valve pocket, described spool is provided with filler opening, filler opening and valve pocket conducting, valve body is provided with the oil outlet with valve pocket conducting, be provided with between valve body and spool for when spool declines in valve pocket by sealing configuration that filler opening or oil outlet are closed.
Adopt technique scheme, during installation, in the first oil duct flushing valve being arranged on hydraulic transmission or the second oil duct, make filler opening and the first oil duct or the second oil duct conducting, oil outlet is communicated with fuel tank, during normal work, part fluid enters valve pocket from filler opening, flow back to fuel tank by oil outlet again, can the impurity in oil duct be rinsed like this, and, during work, oil duct inner fluid temperature is higher, by part fluid is flowed back to fuel tank, the radiating effect of hydraulic transmission can be improved, make motor starting, braking more steady; When oil duct internal pressure height, promote spool and decline, by sealing configuration, filler opening or oil outlet are closed, can prevent too much fluid from flowing to fuel tank like this, affect the service behaviour of motor.
The further setting of the present invention: described spool lower end is provided with when spool declines for the conical seal (contact) face or cylindrical sealing surface with oil outlet inner wall sealing.
Adopt above-mentioned further setting, this sealing surface set-up mode, good seal performance, structure is simple, easy to process.
The further setting of the present invention: described filler opening is arranged on the outer side wall of spool side relative to spool bore inwall, the spool outer side wall in filler opening upper end with form sealing surface between spool bore inwall and coordinate.
Adopt above-mentioned further setting, when spool declines, by the spool outer side wall in filler opening upper end with form sealing surface between spool bore inwall and coordinate filler opening is closed, structure is simple, and sealing is reliable.
The further setting of the present invention: described spool is positioned at filler opening upper end and is provided with when spool declines for the cylindrical sealing surface with spool bore inner wall sealing.
Adopt above-mentioned further setting, the good seal performance of cylindrical sealing surface, structure is simple, easy to process.
The further setting of the present invention: described valve body includes valve body body, the gland that split is arranged, gland is arranged on valve body body, and valve pocket is arranged on valve body body, and valve pocket upper end open is arranged, gland is positioned at aperture position, and described spool bore is arranged on gland.
Adopt above-mentioned further setting, the installation of valve pocket inner spool, return unit, dismounting can be facilitated like this.
The further setting of the present invention: described spool is positioned at filler opening upper end and is provided with when spool declines for the conical seal (contact) face with spool bore inner wall sealing.
Adopt above-mentioned further setting, the good seal performance of conical seal (contact) face, structure is simple, easy to process.
The further setting of the present invention: described valve pocket bottom opening is arranged, and on valve body, corresponding aperture position is provided with positioning seat, and positioning seat lower end is provided with back-up ring, and back-up ring circumference is embedded in valve body, and shown oil outlet is arranged on positioning seat.
Adopt above-mentioned further setting, can conveniently spool be loaded in valve pocket bottom valve pocket like this, easier for installation.
The further setting of the present invention: described return unit is Returnning spring, and described Returnning spring is set on spool, conflicts respectively with bottom limiting board, valve pocket in Returnning spring two ends.
Adopt above-mentioned further setting, return unit adopts spring, and reseting performance is good, this spring fitting mode, and easy for installation, it is firm to locate, and can not produce position skew.
Accompanying drawing explanation
Fig. 1 is the structural representation of flushing valve in embodiment 1;
Fig. 2 is the structural representation of flushing valve in embodiment 2;
Fig. 3 is the structural representation of flushing valve in embodiment 3.
Embodiment
Embodiment 1:
As shown in Figure 1, a kind of flushing valve, include valve body 1 ', spool 2 ', valve pocket 3 ' is provided with in described valve body 1 ', valve body 1 ' is provided with the spool bore 11 ' inserted for spool 2 ', spool 2 ' one end extends in valve pocket 3 ' through spool bore 11 ', the other end extends to valve body 1 ' outward, spool 2 ' is elevated with valve body 1 ' and coordinates, the Returnning spring 4 ' for the spool 2 ' that resets is provided with in valve pocket 3 ', the spool 2 ' being positioned at valve pocket 3 ' is provided with for preventing spool 2 ' from acting on the limiting board 5 ' departing from valve pocket 3 ' by Returnning spring 4 ', described Returnning spring 4 ' is set on spool 2 ', Returnning spring 4 ' two ends respectively with limiting board 5 ', conflict in valve pocket 3 ' bottom, described spool 2 ' is provided with filler opening 6 ', filler opening 6 ' and valve pocket 3 ' conducting, valve body 1 ' is provided with the oil outlet 7 ' with valve pocket 3 ' conducting, described spool 2 ' lower end is provided with when spool 2 ' declines in valve pocket for the conical seal (contact) face 21 ' with oil outlet 7 ' inner wall sealing, cylindrical sealing surface can certainly be adopted, wherein, described valve body 1 ' includes the valve body body 111 ' that split is arranged, gland 112 ', gland 112 ' is arranged on valve body body 111 ', valve pocket 3 ' is arranged on valve body body 111 ', valve pocket 3 ' upper end open is arranged, gland 112 ' is positioned at aperture position, described spool bore 11 ' is arranged on gland.
During installation, in the first oil duct flushing valve being arranged on hydraulic transmission or the second oil duct, make filler opening 6 ' and the first oil duct or the second oil duct conducting, oil outlet 7 ' is communicated with fuel tank, during normal work, part fluid is from filler opening ' enter valve pocket 3 ', fuel tank is flowed back to again by oil outlet 7 ', impurity in oil duct can be rinsed like this, and oil duct inner fluid temperature is higher during work, by part fluid is flowed back to fuel tank, the radiating effect of hydraulic transmission can be improved, make motor starting, braking more steady; When oil duct internal pressure height, promote spool 2 ' and decline, by conical seal (contact) face 21 ', oil outlet 7 ' is closed, can prevent too much fluid from flowing to fuel tank like this, affect the service behaviour of motor.
Embodiment 2:
As shown in Figure 2, a kind of flushing valve, include valve body 1 ' ', spool 2 ' ', described valve body 1 ' ' in be provided with valve pocket 3 ' ', the spool bore 11 ' that valve body 1 ' ' be provided with for spool 2 ' ' inserts ', spool 2 ' ' one end through spool bore 11 ' ' extends to valve pocket 3 ' ' in, the other end extends to valve body 1 ' ' outward, spool 2 ' ' with valve body 1 ' ' is elevated and coordinates, the Returnning spring 4 ' of valve pocket 3 ' ' in be provided with for the spool 2 ' that resets ' ', ' spool 2 ' ' is provided with for preventing spool 2 ' to be positioned at valve pocket 3 ' ' by Returnning spring 4 ' ', and effect departs from valve pocket 3 ' ' limiting board 5 ' ', described Returnning spring 4 ' ' be set at spool 2 ' ' on, Returnning spring 4 ' ' two ends respectively with limiting board 5 ' ', valve pocket 3 ' ' bottom conflict, described spool 2 ' ' be provided with filler opening 6 ' ', filler opening 6 ' ' and valve pocket 3 ' ' conducting, the oil outlet 7 ' of valve body 1 ' ' be provided with and valve pocket 3 ' ' conducting ', the cylindrical sealing surface 21 ' of described spool 2 ' ' on be positioned at filler opening 6 ' ' upper end is provided with at spool 2 ' while declining to valve pocket ' for spool bore 11 ' ' inner wall sealing ', wherein, described valve body 1 ' ' include split arrange valve body body 111 ' ', gland 112 ' ', gland 112 ' ' be arranged on valve body body 111 ' ' on, valve pocket 3 ' ' be arranged on valve body body 111 ' ' on, valve pocket 3 ' ' upper end open setting, gland 112 ' ' be positioned at aperture position, described spool bore 11 ' ' be arranged on gland 112 ' ' on.
During installation, in the first oil duct flushing valve being arranged on hydraulic transmission or the second oil duct, make filler opening 6 ' ' and the first oil duct or the second oil duct conducting, oil outlet 7 ' ' be communicated with fuel tank, during normal work, part fluid is from filler opening 6 ' ' enter valve pocket 3 ' ', again by oil outlet 7 ' ' flow back to fuel tank, impurity in oil duct can be rinsed like this, and oil duct inner fluid temperature is higher during work, by part fluid is flowed back to fuel tank, the radiating effect of hydraulic transmission can be improved, make motor starting, braking more steady; When oil duct internal pressure height, promote spool 2 ' ' decline, by cylindrical sealing surface 21 ' ' by filler opening 6 ' ' close, can prevent too much fluid from flowing to fuel tank like this, affect the service behaviour of motor.
Embodiment 3:
As shown in Figure 3, a kind of flushing valve, include valve body 1, spool 2, valve pocket 3 is provided with in described valve body 1, valve body 1 is provided with the spool bore 11 inserted for spool 2, spool 2 one end extends in valve pocket 3 through spool bore 11, the other end extends to outside valve body 1, spool 2 is elevated with valve body 1 and coordinates, the Returnning spring 4 for the spool 2 that resets is provided with in valve pocket 3, the spool 2 being positioned at valve pocket 3 is provided with for preventing spool 2 from acting on by Returnning spring 4 and departs from the limiting board 5 of valve pocket 3, described spool 2 is provided with filler opening 6, filler opening 6 and valve pocket 3 conducting, valve body 1 is provided with the oil outlet 7 with valve pocket 3 conducting, described spool 2 is positioned at filler opening 6 upper end to be provided with when spool 2 declines to valve pocket for the conical seal (contact) face 21 with spool bore 11 inner wall sealing, described valve pocket 3 bottom opening is arranged, on valve body 1, corresponding aperture position is provided with positioning seat 8, positioning seat 8 lower end is provided with back-up ring 9, back-up ring 9 circumference is embedded in valve body 1, shown oil outlet 7 is arranged on positioning seat 8, described Returnning spring 4 is set on spool 2, Returnning spring 4 two ends respectively with limiting board 5, positioning seat 8 is conflicted.
During installation, in the first oil duct flushing valve being arranged on hydraulic transmission or the second oil duct, make filler opening 6 and the first oil duct or the second oil duct conducting, oil outlet 7 is communicated with fuel tank, during normal work, part fluid enters valve pocket 3 from filler opening 6, fuel tank is flowed back to again by oil outlet 7, impurity in oil duct can be rinsed like this, and oil duct inner fluid temperature is higher during work, by part fluid is flowed back to fuel tank, the radiating effect of hydraulic transmission can be improved, make motor starting, braking more steady; When oil duct internal pressure height, promote spool 2 and decline, by conical seal (contact) face 21, filler opening 6 is closed, can prevent too much fluid from flowing to fuel tank like this, affect the service behaviour of motor.
Claims (8)
1. a flushing valve, it is characterized in that: include valve body, spool, valve pocket is provided with in described valve body, valve body is provided with the spool bore inserted for spool, spool one end extends in valve pocket through spool bore, the other end extends to outside valve body, spool is elevated with valve body and coordinates, the return unit for the spool that resets is provided with in valve pocket, the spool being positioned at valve pocket is provided with the limiting board for preventing spool from departing from valve pocket, described spool is provided with filler opening, filler opening and valve pocket conducting, valve body is provided with the oil outlet with valve pocket conducting, be provided with between valve body and spool for when spool declines in valve pocket by sealing configuration that filler opening or oil outlet are closed.
2. flushing valve according to claim 1, is characterized in that: described spool lower end is provided with when spool declines for the conical seal (contact) face or cylindrical sealing surface with oil outlet inner wall sealing.
3. flushing valve according to claim 1, is characterized in that: described filler opening is arranged on the outer side wall of spool side relative to spool bore inwall, the spool outer side wall in filler opening upper end with form sealing surface between spool bore inwall and coordinate.
4. flushing valve according to claim 3, is characterized in that: described spool is positioned at filler opening upper end and is provided with when spool declines for the cylindrical sealing surface with spool bore inner wall sealing.
5. the flushing valve according to claim 2 or 4, it is characterized in that: described valve body includes valve body body, the gland that split is arranged, gland is arranged on valve body body, valve pocket is arranged on valve body body, valve pocket upper end open is arranged, gland is positioned at aperture position, and described spool bore is arranged on gland.
6. flushing valve according to claim 3, is characterized in that: described spool is positioned at filler opening upper end and is provided with when spool declines for the conical seal (contact) face with spool bore inner wall sealing.
7. flushing valve according to claim 6, it is characterized in that: described valve pocket bottom opening is arranged, and on valve body, corresponding aperture position is provided with positioning seat, and positioning seat lower end is provided with back-up ring, back-up ring circumference is embedded in valve body, and shown oil outlet is arranged on positioning seat.
8. the flushing valve according to claim 1 or 2 or 3 or 4 or 6, is characterized in that: described return unit is Returnning spring, and described Returnning spring is set on spool, conflicts respectively with bottom limiting board, valve pocket in Returnning spring two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510356964.4A CN104948537B (en) | 2015-06-24 | 2015-06-24 | A kind of flushing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510356964.4A CN104948537B (en) | 2015-06-24 | 2015-06-24 | A kind of flushing valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104948537A true CN104948537A (en) | 2015-09-30 |
| CN104948537B CN104948537B (en) | 2017-10-20 |
Family
ID=54163477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510356964.4A Active CN104948537B (en) | 2015-06-24 | 2015-06-24 | A kind of flushing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104948537B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2153690Y (en) * | 1992-10-21 | 1994-01-19 | 黄基财 | Water flow-limiting valve |
| US20050015871A1 (en) * | 2000-06-23 | 2005-01-27 | Inax Corporation | Open/close valve, open/close valve for flush toilet, toilet washing water supply device, tankless western-style flush toilet, water supply method to western-style flush toilet, flow passage switching device and flush toilet |
| CN2833289Y (en) * | 2005-07-02 | 2006-11-01 | 吴正平 | Explosion-proof safety valve for pipeline |
| CN201159313Y (en) * | 2007-11-15 | 2008-12-03 | 邓鸣镛 | Constant-pressure constant-current valve |
| CN201521691U (en) * | 2009-11-27 | 2010-07-07 | 张永海 | Automatic pipeline flushing valve |
| CN202768975U (en) * | 2011-11-26 | 2013-03-06 | 邓鸣镛 | Blocking-resisting water economizer |
| CN204716678U (en) * | 2015-06-24 | 2015-10-21 | 海特克液压有限公司 | A kind of flushing valve |
-
2015
- 2015-06-24 CN CN201510356964.4A patent/CN104948537B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2153690Y (en) * | 1992-10-21 | 1994-01-19 | 黄基财 | Water flow-limiting valve |
| US20050015871A1 (en) * | 2000-06-23 | 2005-01-27 | Inax Corporation | Open/close valve, open/close valve for flush toilet, toilet washing water supply device, tankless western-style flush toilet, water supply method to western-style flush toilet, flow passage switching device and flush toilet |
| CN2833289Y (en) * | 2005-07-02 | 2006-11-01 | 吴正平 | Explosion-proof safety valve for pipeline |
| CN201159313Y (en) * | 2007-11-15 | 2008-12-03 | 邓鸣镛 | Constant-pressure constant-current valve |
| CN201521691U (en) * | 2009-11-27 | 2010-07-07 | 张永海 | Automatic pipeline flushing valve |
| CN202768975U (en) * | 2011-11-26 | 2013-03-06 | 邓鸣镛 | Blocking-resisting water economizer |
| CN204716678U (en) * | 2015-06-24 | 2015-10-21 | 海特克液压有限公司 | A kind of flushing valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104948537B (en) | 2017-10-20 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180208 Address after: Ju Guang Yuan Yue Le Xi Jie Lucheng District of Wenzhou City, Zhejiang Province, No. 156 325000 Patentee after: Wenzhou haiteke power Limited by Share Ltd Address before: Ju Guang Yuan Yue Le Xi Jie Lucheng District of Wenzhou City, Zhejiang Province, No. 156 325000 Patentee before: High-tech Fluid Power Co., Ltd. |
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| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 156 Yuelaixi Street, Lucheng District, Wenzhou City, Zhejiang Province, 325000 Patentee after: Heitek Power Co., Ltd. Address before: No. 156 Yuelaixi Street, Lucheng District, Wenzhou City, Zhejiang Province, 325000 Patentee before: Wenzhou haiteke power Limited by Share Ltd |
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| CP01 | Change in the name or title of a patent holder |