CN104948537B - A kind of flushing valve - Google Patents
A kind of flushing valve Download PDFInfo
- Publication number
- CN104948537B CN104948537B CN201510356964.4A CN201510356964A CN104948537B CN 104948537 B CN104948537 B CN 104948537B CN 201510356964 A CN201510356964 A CN 201510356964A CN 104948537 B CN104948537 B CN 104948537B
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- Prior art keywords
- valve
- valve element
- valve body
- oil
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Details Of Valves (AREA)
Abstract
The present invention relates to a kind of flushing valve, include valve body, valve element, valve pocket is provided with described valve body, valve body is provided with the spool bore inserted for valve element, valve element one end is extended in valve pocket through spool bore, the other end is extended to outside valve body, valve element is lifted with valve body to be coordinated, the return unit for being used for resetting valve element is provided with valve pocket, valve element in valve pocket is provided with the limiting plate for being used to prevent valve element from departing from valve pocket, described valve element is provided with oil inlet, oil inlet is turned on valve pocket, valve body is provided with the oil-out turned on valve pocket, be provided with the sealing structure for being used for oil inlet or oil-out being closed when valve element declines between valve body and valve element.Using above-mentioned technical proposal, the invention provides a kind of flushing valve, it can be rinsed to the impurity in oil duct, and so that hydraulic transmission good heat dissipation effect, motor starting, braking are more steady.
Description
Technical field
The present invention relates to valve field, more particularly to a kind of flushing valve.
Background technology
A kind of existing hydraulic transmission, includes oil pump, motor, the first oil duct, the second oil duct, the first oil duct,
Two oil duct two ends are connected with oil pump, motor respectively, oil pump, the first oil duct, motor, the second oil duct formation hydraulic circuit, work as oil pump
Middle fluid flows into motor from the first oil duct, and the rotating forward that oil pump realizes motor is flowed back to through the second oil duct；When in oil pump fluid from second
Oil duct flows into motor, and the reversion that oil pump realizes motor is flowed back to through the first oil duct.But, this transmission device when in use, first
Impurity in oil duct, the second oil duct can not be rinsed, moreover, the transmission device radiating effect is poor so that motor starting, braking are uneven
Surely.
The content of the invention
The purpose of the present invention：In order to overcome the defect of prior art, the invention provides a kind of flushing valve, it can be to oil duct
Interior impurity is rinsed, and so that hydraulic transmission good heat dissipation effect, motor starting, braking are more steady.
Technical scheme：A kind of flushing valve, it is characterised in that：Include and set in valve body, valve element, described valve body
There is valve pocket, valve body is provided with the spool bore inserted for valve element, and valve element one end is extended in valve pocket through spool bore, other end extension
To outside valve body, valve element is lifted with valve body to be coordinated, and the return unit for being used for resetting valve element is provided with valve pocket, on the valve element in valve pocket
Provided with for preventing valve element from departing from the limiting plate of valve pocket, described valve element is provided with oil inlet, and oil inlet is turned on valve pocket, valve body
Be provided with the oil-out turned on valve pocket, be provided between valve body and valve element be used for oil inlet when valve element declines into valve pocket or
The sealing structure of oil-out closing.
Using above-mentioned technical proposal, during installation, flushing valve is arranged on to the first oil duct or the second oil of hydraulic transmission
In road so that oil inlet and the first oil duct or the second oil duct are turned on, and oil-out is connected with fuel tank, during normal work, part fluid
Enter valve pocket from oil inlet, then fuel tank is flowed back to by oil-out, the impurity in oil duct can be so rinsed, moreover, work
When oil duct inner fluid temperature it is higher, by the way that part fluid is flowed back into fuel tank, the radiating effect of hydraulic transmission can be improved so that
Motor starting, braking are more steady；When pressure is high in oil duct, valve element is promoted to decline, by sealing structure by oil inlet or fuel-displaced
Mouth closing, can so prevent excessive fluid from flowing to fuel tank, influence the service behaviour of motor.
The further setting of the present invention：Described valve element lower end is provided with to be used for and oil-out inner wall sealing when valve element declines
Conical seal (contact) face or cylindrical sealing surface.
Using above-mentioned further setting, this sealing surface set-up mode, good seal performance is simple in construction, easy to process.
The further setting of the present invention：Described oil inlet is arranged on the lateral wall of valve element and spool bore inwall opposite side
On, sealing surface cooperation is formed between the valve element lateral wall and spool bore inwall of oil inlet upper end.
Using above-mentioned further setting, when valve element declines, pass through the valve element lateral wall and valve element positioned at oil inlet upper end
Form sealing surface cooperation between the inwall of hole to close oil inlet, simple in construction, sealed reliable.
The further setting of the present invention：Be provided with described valve element positioned at oil inlet upper end is used for and valve when valve element declines
The cylindrical sealing surface of core bore inner wall sealing.
Using above-mentioned further setting, the good seal performance of cylindrical sealing surface is simple in construction, easy to process.
The further setting of the present invention：Described valve body includes the valve body body of split setting, gland, and gland is arranged on
On valve body body, valve pocket is arranged on valve body body, and valve pocket upper end open is set, and gland is located at aperture position, described valve element
Hole is arranged on gland.
Using above-mentioned further setting, it can so facilitate valve pocket inner spool, the installation of return unit, dismounting.
The further setting of the present invention：Be provided with described valve element positioned at oil inlet upper end is used for and valve when valve element declines
The conical seal (contact) face of core bore inner wall sealing.
Using above-mentioned further setting, the good seal performance of conical seal (contact) face is simple in construction, easy to process.
The further setting of the present invention：Described valve pocket bottom opening is set, and corresponding opening position is provided with positioning on valve body
Seat, positioning seat lower end is provided with back-up ring, and back-up ring is circumferentially embedded in valve body, and shown oil-out is arranged on positioning seat.
Using above-mentioned further setting, it can so facilitate and load valve element in valve pocket from valve pocket bottom, install more square
Just.
The further setting of the present invention：Described return unit is back-moving spring, and described back-moving spring is set in valve element
On, back-moving spring two ends are contradicted with limiting plate, valve pocket bottom respectively.
Using above-mentioned further setting, return unit uses spring, and reseting performance is good, this spring mounting means, installation side
Just, it is firm to position, and will not produce position skew.
Brief description of the drawings
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, includes in valve body 1 ', valve element 2 ', described valve body 1 ' and is provided with valve pocket 3 ', valve
Body 1 ' is provided with the spool bore 11 ' inserted for valve element 2 ', and the one end of valve element 2 ' is extended in valve pocket 3 ' through spool bore 11 ', another
End extends to valve body 1 ' outside, and valve element 2 ' is lifted with valve body 1 ' to be coordinated, and the back-moving spring for being used for resetting valve element 2 ' is provided with valve pocket 3 '
4 ', the valve element 2 ' in valve pocket 3 ', which is provided with, to be used to prevent valve element 2 ' from being acted on the limiting plate for departing from valve pocket 3 ' by back-moving spring 4 '
5 ', described back-moving spring 4 ' is set on valve element 2 ', and the two ends of back-moving spring 4 ' are supported with limiting plate 5 ', the bottom of valve pocket 3 ' respectively
Touch, described valve element 2 ' is provided with oil inlet 6 ', oil inlet 6 ' is turned on valve pocket 3 ', valve body 1 ' is provided with what is turned on valve pocket 3 '
Oil-out 7 ', the described lower end of valve element 2 ' is provided with to be used for and the inner wall sealing of oil-out 7 ' when valve element 2 ' declines into valve pocket
Conical seal (contact) face 21 ', naturally it is also possible to use cylindrical sealing surface, wherein, described valve body 1 ' includes the valve body of split setting
Body 111 ', gland 112 ', gland 112 ' are arranged on valve body body 111 ', and valve pocket 3 ' is arranged on valve body body 111 ', valve
The upper end open of chamber 3 ' is set, and gland 112 ' is located at aperture position, and described spool bore 11 ' is arranged on gland.
During installation, flushing valve is arranged in the first oil duct of hydraulic transmission or the second oil duct so that oil inlet 6 '
Turned on the first oil duct or the second oil duct, oil-out 7 ' is connected with fuel tank, during normal work, part fluid is from oil inlet ' entrance
Valve pocket 3 ', then fuel tank is flowed back to by oil-out 7 ', the impurity in oil duct can be so rinsed, moreover, during work in oil duct
Oil liquid temperature is higher, by the way that part fluid is flowed back into fuel tank, can improve the radiating effect of hydraulic transmission so that motor is opened
Dynamic, braking is more steady；When pressure is high in oil duct, promote valve element 2 ' to decline, sealed oil-out 7 ' by conical seal (contact) face 21 '
Close, can so prevent excessive fluid from flowing to fuel tank, influence the service behaviour of motor.
Embodiment 2：
A kind of as shown in Fig. 2 flushing valve, includes valve body 1 ' ', valve element 2 ' ', described valve body 1 ' ' in be provided with valve pocket
3 ' ', the spool bore 11 ' of valve body 1 ' ' be provided with supply valve element 2 ' ' insertion ', valve element 2 ' ' one end passes through spool bore 11 ' ' extend to valve
Chamber 3 ' ' it is interior, the other end extends to valve body 1 ' ' outside, valve element 2 ' ' and valve body 1 ' ' lifting cooperation, valve pocket 3 ' ' interior provided with for resetting
Valve element 2 ' ' back-moving spring 4 ' ', positioned at valve pocket 3 ' ' in valve element 2 ' ', which is provided with, to be used to prevent valve element 2 ' ' by back-moving spring 4 ' '
Effect departs from valve pocket 3 ' ' limiting plate 5 ' ', described back-moving spring 4 ' ' be set in valve element 2 ' ' on, back-moving spring 4 ' ' two ends
Respectively with limiting plate 5 ', ', valve pocket 3 ' ' bottom is contradicted, described valve element 2 ' ' it is provided with oil inlet 6 ' ', oil inlet 6 ' ' and valve pocket
3 ' ' turn on, the oil-out 7 ' of valve body 1 ' ' be provided with and valve pocket 3 ' ' conducting and be located at oil inlet 6 ' on ', described valve element 2 ' ' ' on
The cylindrical sealing surface 21 ' of end is provided with valve element 2 ' while declining into valve pocket ' be used for and spool bore 11 ' ' inner wall sealing ', wherein,
Described valve body 1 ' the valve body body 111 ' of setting ' include split ', gland 112 ' ', gland 112 ' ' it is arranged on valve body body
111 ' ' on, valve pocket 3 ' ' it is arranged on valve body body 111 ' ' on, valve pocket 3 ' ' upper end open setting, gland 112 ' ' it is located at opening position
Put, described spool bore 11 ' ' it is arranged on gland 112 ' ' on.
During installation, flushing valve is arranged in the first oil duct of hydraulic transmission or the second oil duct so that oil inlet 6 ' '
Turned on the first oil duct or the second oil duct, oil-out 7 ' ' connected with fuel tank, during normal work, part fluid is from oil inlet 6 ' ' enter
Enter valve pocket 3 ' ', then by oil-out 7 ' ' fuel tank being flowed back to, the impurity in oil duct can be so rinsed, moreover, oil during work
Road inner fluid temperature is higher, by the way that part fluid is flowed back into fuel tank, can improve the radiating effect of hydraulic transmission so that motor
Start, brake more steady；When pressure is high in oil duct, valve element 2 ' ' decline, by cylindrical sealing surface 21 ' ' is promoted by oil inlet
6 ' ' close, can so prevent excessive fluid from flowing to fuel tank, influence the service behaviour of motor.
Embodiment 3：
As shown in figure 3, a kind of flushing valve, includes and is provided with valve body 1, valve element 2, described valve body 1 on valve pocket 3, valve body 1
Provided with the spool bore 11 inserted for valve element 2, the one end of valve element 2 is extended in valve pocket 3 through spool bore 11, and the other end extends to valve body
Outside 1, valve element 2 is lifted with valve body 1 to be coordinated, and the back-moving spring 4 for being used for resetting valve element 2, the valve in valve pocket 3 are provided with valve pocket 3
Core 2, which is provided with, to be used to prevent that valve element 2 from being acted on and departed from the limiting plate 5 of valve pocket 3 by back-moving spring 4, described valve element 2 be provided with into
Hydraulic fluid port 6, oil inlet 6 is turned on valve pocket 3, and valve body 1 is provided with the oil-out 7 turned on valve pocket 3, be located on described valve element 2 into
The upper end of hydraulic fluid port 6 is provided with when valve element 2 declines into valve pocket for the conical seal (contact) face 21 with the inner wall sealing of spool bore 11, described
The bottom opening of valve pocket 3 is set, and corresponding opening position is provided with positioning seat 8 on valve body 1, and the lower end of positioning seat 8 is provided with back-up ring 9, back-up ring 9 weeks
To being embedded in valve body 1, shown oil-out 7 is arranged on positioning seat 8, and described back-moving spring 4 is set on valve element 2,
The two ends of back-moving spring 4 are contradicted with limiting plate 5, positioning seat 8 respectively.
During installation, by flushing valve be arranged on hydraulic transmission the first oil duct or the second oil duct in so that oil inlet 6 with
First oil duct or the conducting of the second oil duct, oil-out 7 is connected with fuel tank, during normal work, and part fluid enters valve pocket from oil inlet 6
3, then fuel tank is flowed back to by oil-out 7, the impurity in oil duct can be so rinsed, moreover, oil duct inner fluid temperature during work
Degree is higher, by the way that part fluid is flowed back into fuel tank, can improve the radiating effect of hydraulic transmission so that motor starting, braking
It is more steady；When pressure is high in oil duct, promotes valve element 2 to decline, closed oil inlet 6 by conical seal (contact) face 21, so can be with
Prevent excessive fluid from flowing to fuel tank, influence the service behaviour of motor.
Claims (6)
1. a kind of flushing valve, it is characterised in that：Include and valve pocket is provided with valve body, valve element, described valve body, valve body is provided with confession
The spool bore of valve element insertion, valve element one end is extended in valve pocket through spool bore, and the other end is extended to outside valve body, valve element and valve body
Lifting coordinates, and the return unit for being used for resetting valve element is provided with valve pocket, and the valve element in valve pocket, which is provided with, to be used to prevent valve element from taking off
From the limiting plate of valve pocket, described valve element is provided with oil inlet, and oil inlet is turned on valve pocket, and valve body is provided with what is turned on valve pocket
Oil-out, is provided with the sealing structure for being used for closing oil inlet when valve element declines into valve pocket between valve body and valve element, described
Oil inlet be arranged on the lateral wall of valve element and spool bore inwall opposite side, positioned at oil inlet upper end valve element lateral wall with
Sealing surface is formed between spool bore inwall to coordinate.
2. flushing valve according to claim 1, it is characterised in that：It is located at oil inlet upper end on described valve element to be provided with valve
For the cylindrical sealing surface with spool bore inner wall sealing during core decline.
3. flushing valve according to claim 1 or 2, it is characterised in that：Described valve body includes the valve body of split setting
Body, gland, gland are arranged on valve body body, and valve pocket is arranged on valve body body, and valve pocket upper end open is set, and gland is located at
Aperture position, described spool bore is arranged on gland.
4. flushing valve according to claim 1, it is characterised in that：It is located at oil inlet upper end on described valve element to be provided with valve
For the conical seal (contact) face with spool bore inner wall sealing during core decline.
5. flushing valve according to claim 4, it is characterised in that：Described valve pocket bottom opening is set, correspondence on valve body
Aperture position is provided with positioning seat, and positioning seat lower end is provided with back-up ring, and back-up ring is circumferentially embedded in valve body, and shown oil-out is arranged on
On positioning seat.
6. the flushing valve according to claim 1 or 2 or 4, it is characterised in that：Described return unit is back-moving spring, described
Back-moving spring be set on valve element, back-moving spring two ends respectively with limiting plate, valve pocket bottom contradict.
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 CN104948537A (en) | 2015-09-30 |
| CN104948537B true 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) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2153690Y (en) * | 1992-10-21 | 1994-01-19 | 黄基财 | Water flow-limiting valve |
| WO2001098593A1 (en) * | 2000-06-23 | 2001-12-27 | Inax Corporation | Method of feeding water to stop valve, stop valve for water closet, water feeding device for washing water closet, tank-less western water closet, and western water closet, flow path switching device, and water closet |
| 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
Also Published As
| Publication number | Publication date |
|---|---|
| CN104948537A (en) | 2015-09-30 |
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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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| CP01 | Change in the name or title of a patent holder | ||
| 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 |