CN205190863U - Flow control valve - Google Patents
Flow control valve Download PDFInfo
- Publication number
- CN205190863U CN205190863U CN201520980773.0U CN201520980773U CN205190863U CN 205190863 U CN205190863 U CN 205190863U CN 201520980773 U CN201520980773 U CN 201520980773U CN 205190863 U CN205190863 U CN 205190863U
- Authority
- CN
- China
- Prior art keywords
- spool
- valve body
- closure bar
- valve
- annular 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.)
- Withdrawn - After Issue
Links
Landscapes
- Magnetically Actuated Valves (AREA)
Abstract
The utility model relates to a flow control valve, including the valve body, insert the case of locating in the valve body, and the disk seat, be equipped with the case hole that supplies the case to lay in the valve body, be equipped with flow import and flow export on the valve body, imported runner between flow import and the case is equipped with two or two will import the annular opening that the runner was shunted on with, exit channel between flow export and the case is equipped with two or two annular opening with the reposition of redundant personnel of general's registered permanent residence runner, annular opening is along case direction interval distribution alternately in proper order to establish annular opening into the circulation section, establish the interval into the seal section. Owing to be equipped with the annular opening who is used for intercommunication reposition of redundant personnel passageway more than two or two on the case, set up annular opening after, the medium can flow through from annular opening, through the settings of a plurality of reposition of redundant personnel passageways, realizes the technological effect of shunting behind the medium admission passage to slow down too big flow force and instantaneous impact.
Description
Technical field
The utility model relates to a kind of valve, and especially one is applied to single channel valve, and flow can the flow control valve of proportion adjustment.
Background technique
Plunger valve is made up of parts such as valve body, valve gap, valve rod, plunger, aperture frame, seal ring, handwheels.When handwheel rotates, drive plunger in the open and close function of the middle valve that pumped of aperture frame by valve rod.Interference fit is adopted between plunger and seal ring in valve, by regulating flange bolt in gland, the lateral force and valve body mesopore face that seal ring are compressed produce and plunger cylindrical seal, thus ensure that the sealing of valve, stop internal and outernal leakage, simultaneously valve opening moment little, valve can have been realized and open and close rapidly.Its size of the peak rate of flow that can bear is certain, and when flow is excessive, when exceeding the tolerance range of valve, usually can cause following problem, 1, liquid breaks through valve instantaneously, causes impact force too high, damage threshold door part.2, hydraulic power is excessive, spool can be caused to close, cannot use valve normally.
Summary of the invention
For solving the problems of the technologies described above, the utility model comprises valve body, be inserted in the spool in valve body, and valve seat, the spool bore of laying for spool is provided with in described valve body, described valve body is provided with fluid inlet and flowexit, inlet channel between described fluid inlet and spool is provided with two or more annular openings inlet channel shunted, outlet passage between described flowexit and spool is provided with two or more annular openings shunted by registered permanent residence runner, described annular opening distributes along spool direction successively transpostion interval, and annular opening place is set to circulation section, interval is set to seal section.
After have employed said structure, because spool is provided with two or more for being communicated with the annular opening of split channel, after being provided with annular opening, medium can flow through from annular opening, by the setting of multiple split channel, the technique effect shunted after realizing medium inlet passage, to slow down excessive hydraulic power and instantaneous impact.
As further improvement of the utility model, described circulation section is for being arranged at the circular groove on spool, described valve body is interior is that axle both sides are provided with two closure bar relatively with spool, be respectively left closure bar and right closure bar, described closure bar is identical towards arranging with spool, and be fixedly arranged between fluid inlet and flowexit, liquid medium can be split into multiple split channel by described closure bar, under valve shut state, the seal section of described closure bar and spool mutually against, and the length of closure bar is greater than the length of circulation section on spool.
After have employed said structure, closure bar not only plays the technique effect closed with circulation, also serve the technique effect forming split channel, and the length setting of closure bar is greater than the length setting of circulation section on spool, then the sequencing can closed for realizing split channel and open provide precondition.
As further improvement of the utility model, the outside upper/lower terminal near spool of described valve body is respectively equipped with upper cover plate and lower cover plate, described lower cover plate is fixed on valve body lower end, and spool bore is closed, and described spool one end is stretched out outside valve body through the upper cover plate of spool.
After have employed said structure, upper cover plate and arranging of lower cover plate can make spool spacing, make it can not deviate from from spool bore.
As further improvement of the utility model, described spool face is provided with an inlet opening, and described inlet opening is communicated with valve core inside, and described body base is provided with the liquid outlet channel flowed out by the medium in valve core inside.
After have employed said structure, arranging of inlet opening can prevent leakage of oil.
Be provided with a current limliting groove as seal spool section described in further improvement of the utility model, described current limliting groove is semi-circular or triangular opening, and described opening is communicated with spool circular groove.
After have employed said structure, current limliting groove the instantaneous pressure that can reduce medium to a certain extent and flow through is set.
Accompanying drawing explanation
Figure 1 shows that sectional drawing under this flow control valve valve-closed state;
Figure 2 shows that sectional drawing under this flow control valve valve opening state.
Embodiment
As shown in Figure 1, the utility model provides a kind of flow control valve and comprises valve body 1, be inserted in the spool 2 in valve body 1, and valve seat, the spool bore of laying for spool is provided with in described valve body 1, described valve body is provided with fluid inlet 31 and flowexit 32, inlet channel between described fluid inlet 31 and spool 2 is provided with two or more annular openings inlet channel shunted, described flowexit and and spool between outlet passage be provided with two or more annular openings shunted by registered permanent residence runner, described annular opening distributes along spool direction successively transpostion interval, and annular opening place is set to circulation section, interval is set to seal section.Each split channel described is all installed with near spool 2 place and coordinates jointly for controlling the closure bar 4 that each split channel opens and closes with spool 2, described valve is in opening process, spool 2 can depart from each closure bar 4 respectively gradually, described valve is in closing process, spool 2 can seal with each closure bar 4 respectively gradually, described in have the contacting travel between one or more closure bar 4 and spool 2 to be greater than the contacting travel of other closure bar and valve core chamber.Owing to being provided with split channel and being located at the closure bar 4 that split channel coordinates jointly with spool, so, this flow control valve can rely on spool 2 and closure bar 4 with the use of, rely on spool 2 and the closed gradually of closure bar 4 and disengaging, play Slow Close and the slow technique effect opened, and have the contacting travel between one or more closure bar 4 and spool 2 to be greater than the contacting travel of other closure bar and valve core chamber.Just can realize the distance according to contacting travel after arranging like this, decide the sequencing that each split channel is closed and opened, just can reach the technique effect of proportion adjustment.Described spool comprises seal section 5 and circulation section 6, described circulation section 6 is located at valve core outer surface for circumference, diameter is less than the groove of seal section 5, described seal section 5 is the flange that circumference is located at valve core outer surface, described medium circulates by this circulation section 6, described closure bar is fixedly arranged on the flow area of circulation section, and forms the sealing surface that cut-off MEDIA FLOW enters the section of circulation.Characteristic due to plunger valve can arrange several seal sections and circulation section, by moving up and down of spool 2, medium can be switched in seal section and circulation section, and the setting of closure bar, then serve the technique effect circulated with spool co-controlling medium.
As shown in Fig. 1 Fig. 2, described closure bar 4 is identical towards arranging with spool 2, and be fixedly arranged between fluid inlet and flowexit, liquid medium can be split into multiple split channel 7 by described closure bar, under valve shut state, the seal section of described closure bar and spool mutually against, and the length of closure bar arranges and is greater than the length of circulation section on spool and arranges.Closure bar not only plays the technique effect closed with circulation, also serve the technique effect forming split channel, and the length setting of closure bar is greater than the length setting of circulation section on spool, then the sequencing can closed for realizing split channel and open provide precondition.Described valve is interior is that axle is provided with two closure bar relatively with spool, be respectively left closure bar 41 and right closure bar 42, inlet passage and outlet passage are split into import split channel and outlet manifold passage by described two closure bar respectively, the length distance of each circulation section described on spool is equal, described closure bar is the flat boards of two ends with projection 43, two ends projection 43 on described flat board is when valve closing, respectively on corresponding spool with this flat board against circulation section upper, lower two ends, projection in described left closure bar 41 and the contacting travel of valve core chamber are greater than the contacting travel of projection in right closure bar 42 43 and valve core chamber.Above embodiment is for being provided with two closure bar, bring the effect of two feed pathway and two liquid outlet channels, and projection and closure bar mutually against, serve the technique effect of good sealing effect, and after the contacting travel being greater than projection in right closure bar and valve core chamber when the contacting travel of the projection be provided with in left closure bar and valve core chamber, just can realize flow first from the circulation section of the split channel right closure bar through spool, flow out again, afterwards along with the movement of spool, projection in left closure bar no longer stops the circulation of circulation section, now, medium just can from two of a spool circulation section circulation.
As shown in Figure 2, described spool face is provided with an inlet opening 7, and described inlet opening 7 is communicated with spool 2 inside, and described body base is provided with the liquid outlet channel 8 flowed out by the medium in valve core inside.Arranging of inlet opening can prevent leakage of oil.Described seal section is provided with a current limliting groove 9, and described current limliting groove 9 is semi-circular opening, and the opening of described semi-circular opening is vertically towards body base.Current limliting groove the instantaneous pressure that can reduce medium to a certain extent and flow through is set, the outside upper/lower terminal near spool of described valve body is respectively equipped with upper cover plate 10 and lower cover plate 11, described lower cover plate 11 is fixed on valve body lower end, and spool bore is closed, described spool one end is stretched out outside valve body through the upper cover plate 10 of spool.
Claims (6)
1. a flow control valve, comprise valve body, be inserted in the spool in valve body, and valve seat, the spool bore of laying for spool is provided with in described valve body, described valve body is provided with fluid inlet and flowexit, it is characterized in that: the inlet channel between described fluid inlet and spool is provided with two or more annular openings inlet channel shunted, outlet passage between described flowexit and spool is provided with two or more annular openings shunted by registered permanent residence runner, described annular opening distributes along spool direction successively transpostion interval, and annular opening place is set to circulation section, interval is set to seal section.
2. flow control valve according to claim 1, it is characterized in that: described circulation section is for being arranged at the circular groove on spool, described valve body is interior is that axle both sides are provided with two closure bar relatively with spool, be respectively left closure bar and right closure bar, described closure bar is identical towards arranging with spool, and be fixedly arranged between fluid inlet and flowexit, liquid medium can be split into multiple split channel by described closure bar, under valve shut state, the seal section of described closure bar and spool mutually against, and the length of closure bar is greater than the length of circulation section on spool.
3. flow control valve according to claim 1, it is characterized in that: the outside upper/lower terminal near spool of described valve body is respectively equipped with upper cover plate and lower cover plate, described lower cover plate is fixed on valve body lower end, and spool bore is closed, described spool one end is stretched out outside valve body through the upper cover plate of spool.
4. flow control valve according to claim 3, is characterized in that: described lower cover plate upper end is provided with Returnning spring, and described Returnning spring one end is resisted against lower cover plate upper end, and the other end is resisted against spool lower end.
5. flow control valve according to claim 1 and 2, is characterized in that: described spool face is provided with an inlet opening, and described inlet opening is communicated with valve core inside, and described body base is provided with the liquid outlet channel flowed out by the medium in valve core inside.
6. flow control valve according to claim 1 and 2, is characterized in that: described seal spool section is provided with a current limliting groove, and described current limliting groove is semi-circular or triangular opening, and described opening is communicated with spool circular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520980773.0U CN205190863U (en) | 2015-12-01 | 2015-12-01 | Flow control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520980773.0U CN205190863U (en) | 2015-12-01 | 2015-12-01 | Flow control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205190863U true CN205190863U (en) | 2016-04-27 |
Family
ID=55783852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520980773.0U Withdrawn - After Issue CN205190863U (en) | 2015-12-01 | 2015-12-01 | Flow control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205190863U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422938A (en) * | 2015-12-01 | 2016-03-23 | 海特克液压有限公司 | Flow regulating valve |
| CN107470399A (en) * | 2017-05-24 | 2017-12-15 | 佛山市森和业丰纸制品有限公司 | A kind of hydraulic control suitable for straightener |
-
2015
- 2015-12-01 CN CN201520980773.0U patent/CN205190863U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422938A (en) * | 2015-12-01 | 2016-03-23 | 海特克液压有限公司 | Flow regulating valve |
| CN107470399A (en) * | 2017-05-24 | 2017-12-15 | 佛山市森和业丰纸制品有限公司 | A kind of hydraulic control suitable for straightener |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE19710636C1 (en) | Proportional electrically-controlled valve acting as throttle | |
| CN204961843U (en) | Wash solenoid valve and reverse osmosis water purification machine | |
| CN205190863U (en) | Flow control valve | |
| CN104100728A (en) | Self-sealing gate valve | |
| CN106369178A (en) | Solenoid valve with long service life | |
| WO2016161529A1 (en) | Valve for controlling a fluid flow | |
| DE102013101460B3 (en) | Agricultural spraying valve unit for controlled spraying of agricultural fluid, has main valve arranged in conduction path, and 2/2 way-valve arranged in another conduction path, where pressure chamber runs through latter conduction path | |
| CN105422938A (en) | Flow regulating valve | |
| CN102686463A (en) | Solenoid valve | |
| CN205136705U (en) | Axial compressor is adjustable to delay closed check valve | |
| KR101398195B1 (en) | Multi-Operation Mode Valve for Fluid Transportation | |
| CN205136679U (en) | Rotary valve | |
| CN105156703A (en) | Regulating gate valve | |
| DE102013109891A1 (en) | valve assembly | |
| CN201083281Y (en) | Self-balancing pressure difference ball valve | |
| DE102010044442A1 (en) | Solenoid-valve device e.g. pneumatic valve device used in electric brake system of motor car, has discharge openings sealed by movable armature unit, by pressure-balance in axial direction | |
| CN202420051U (en) | Bidirectional throttle valve | |
| CN205078810U (en) | Balanced type axial compressor governing valve | |
| CN205001578U (en) | Adjustable reposition of redundant personnel control valve | |
| DE102012024944B4 (en) | diaphragm valve | |
| CN208804246U (en) | Valve | |
| CN109931418B (en) | Electric control plug valve | |
| DE102016100568B4 (en) | Intelligent double-jet positioner | |
| CN105179732A (en) | Adjusting ball valve | |
| CN204900944U (en) | Integral type is two by gas proportional valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160427 Effective date of abandoning: 20171020 |