CN207687455U - A kind of horizontal installation hydraulic pressure needle valve - Google Patents
A kind of horizontal installation hydraulic pressure needle valve Download PDFInfo
- Publication number
- CN207687455U CN207687455U CN201721875188.XU CN201721875188U CN207687455U CN 207687455 U CN207687455 U CN 207687455U CN 201721875188 U CN201721875188 U CN 201721875188U CN 207687455 U CN207687455 U CN 207687455U
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- CN
- China
- Prior art keywords
- valve
- rod
- hydraulic pressure
- spool
- piston
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of horizontal installation hydraulic pressure needle valves, including piston rod, piston, cylinder body, valve rod, upper cover, valve body, spool and close switch, wherein cylinder body, upper cover and valve body are sequentially connected, piston rod is mounted in piston, piston is installed in cylinder body, piston rod is connected with one end of valve rod, the other end of valve rod is connected with spool, valve body is equipped with inlet and outlet, the center of water inlet and the center of water outlet are on sustained height, spool can be in moving in valve body, and the corresponding flow for changing valve body is mounted on close to switch on valve rod.In the utility model, spool can be moved by the control of piston rod in valve body, and pass through the corresponding flow for changing valve body, with this final change for the flow mobility status between water end (W.E.) and water outlet, simultaneously, by being positioned proximate to switch the shift position of valve rod is timely feedbacked, thus the functional reliability of the utility model is strong, and controllability is strong.
Description
Technical field
The utility model is related to power station bypass system design fields, more particularly, to a kind of horizontal installation hydraulic pressure aciculiform
Valve.
Background technology
In water power station water supply system, it is often necessary to being controlled for water end (W.E.) and water outlet in sustained height, with
Water system is enable to meet user's needs, at present for the above-mentioned control for water end (W.E.) and water outlet often using partition board come straight
It connects to carrying out isolation realization for water end (W.E.) and water outlet, partition board is opened when needing connection, then closes partition board when not needing.But
It is that for partition board due to being easily damaged, functional reliability is poor, and is typically only capable to carry out simply opening and closing movement, Yong Hunan
With to its specific location control, poor controllability.
Utility model content
It is good that the purpose of this utility model is to provide a kind of functional reliabilities, the strong horizontal installation hydraulic pressure aciculiform of controllability
Valve.
One side according to the present utility model provides a kind of horizontal installation hydraulic pressure needle valve, including piston rod, work
Plug, cylinder body, valve rod, upper cover, valve body, spool and close switch, wherein cylinder body, upper cover and valve body are sequentially connected, piston rod installation
In piston, piston is installed in cylinder body, and piston rod is connected with one end of valve rod, and the other end of valve rod is connected with spool, valve
Body is equipped with inlet and outlet, and the center of water inlet and the center of water outlet are on sustained height, and spool can be in valve body
It is mobile, and the corresponding flow for changing valve body, it is mounted on valve rod close to switch.
The utility model has the beneficial effects that：In the utility model, inlet and outlet can respectively in same height
Degree connects for water end (W.E.) and water outlet, and the connection situation between it is influenced by valve body, and piston rod energy band ovable valve stem, valve rod
Energy band movable valve plug so that spool can be moved by the control of piston rod in valve body, and change the flow of valve body by corresponding to,
With this final change for the flow mobility status between water end (W.E.) and water outlet, meanwhile, make valve rod by being positioned proximate to switch
Shift position can timely feedback, and be convenient for control of the user to stem position, thus the functional reliability of the utility model is strong, controllably
Property it is strong, in addition, by be arranged upper cover, provided for simple replacement of wearing in use for some time, reduction to cylinder
The dismounting of the fine structures such as body improves practicability.
In some embodiments, cylinder body includes upper cylinder cover, lower cylinder cap and cylinder body, wherein upper cylinder cover, cylinder body and lower cylinder cap
It is sequentially connected.Cylinder body interior energy forms the chamber moved for piston as a result, ensures the functional reliability of piston rod.
In some embodiments, upper cylinder cover and lower cylinder cap are equipped with oilhole.The setting of oilhole can facilitate in cylinder body
Oil inlet is fuel-displaced, facilitates the work of cylinder body.
In some embodiments, upper cover includes sealing cover and lid body, and wherein sealing cover is connected with lid body, the lid body
It is connected with lower cylinder cap.Sealing cover can be to valve
In some embodiments, the utility model further includes gland, and wherein gland is mounted on valve rod, and
It is connected with sealing cover.The setting of gland can limit valve rod in the horizontal direction, ensure valve rod when moving not
It can deviate, improve the functional reliability of valve rod.
In some embodiments, spool includes simultaneously cap and flap, wherein simultaneously cap sleeve is mounted on valve rod, and is connected with flap
It connects.Thus one end of valve rod can be fixed in spool, ensure the movement of the movement energy band movable valve plug of valve rod.
In some embodiments, valve body is equipped with valve opening, and valve opening is connected with inlet and outlet, when flap is located at
When on valve opening, valve opening is by valve flap seals.The mobile of spool can make flap when needed ensure valve bore closure in valve body as a result,
Flow be zero, that is, ensure inlet and outlet between flow cannot flow through.
In some embodiments, flap matches with valve opening, and when flap in valve body in moving, corresponding change valve opening is opened
Mouth size.It can change the connection situation between inlet and outlet by changing the openings of sizes of valve opening as a result, final next pair
The flow of valve body is changed.
Description of the drawings
Fig. 1 is a kind of a kind of front view of the schematic diagram of horizontal installation hydraulic pressure needle valve of embodiment of the utility model
Sectional view.
Enlarged drawing around a kind of cylinder body for horizontal installation hydraulic pressure needle valve that Fig. 2 is Fig. 1.
Enlarged drawing around a kind of spool for horizontal installation hydraulic pressure needle valve that Fig. 3 is Fig. 1.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings.
With reference to figure 1, Fig. 2 and Fig. 3, the horizontal installation hydraulic pressure needle valve of one kind of the utility model, including piston rod 1, piston
2, cylinder body 3, valve rod 4, upper cover 5, valve body 6, spool 7, close switch 8 and gland 9.
Cylinder body 3 includes upper cylinder cover 31, lower cylinder cap 32 and cylinder body 33, and upper cylinder cover 31, cylinder body 33 and lower cylinder cap 32 pass sequentially through
It is bolted, upper cylinder cover 31 and lower cylinder cap 32 are equipped with oilhole 34, and piston 2 is movably arranged in cylinder body 3, and piston rod 1 passes through
Bolt is fixedly mounted in piston 2, and is pierced by from lower cylinder cap 32.
Upper cover 5 includes sealing cover 51 and lid body 52, and one end of sealing cover 51 is connected with one end of lid body 52 by bolt,
The other end of lid body 52 is connected with lower cylinder cap 32 by bolt, and the other end of sealing cover 51 is connected with valve body 6, on lid body 52
It is additionally provided with mounting hole, in order to the installation of other mechanisms.
Piston rod 1 is fixedly connected with one end of valve rod 4 by shaft coupling, and the other end of valve rod 4 is pierced by from sealing cover 51,
Gland 9 is sleeved on valve rod 4, and its surrounding is connected by bolt with sealing cover 51, in addition, being mounted on close to switch 8
On valve rod 4.
Spool 7 includes simultaneously cap 71 and flap 72, and cap 71 is sleeved on valve rod, and its surrounding passes through bolt phase with flap 72
Connection so that the end that valve rod 4 is pierced by from sealing cover 51 is fixedly connected with spool 7.
The middle part of valve body 6 is equipped with valve opening 60, and its both sides is equipped with water inlet 61 and water outlet 62, valve opening 60 and water inlet
61, water outlet 62 is connected, and the center of water inlet 61 and the center of water outlet 62 are on sustained height, the spool after installation
7 can be moved by the traction of valve rod 4 in valve body 6, and size and location and the valve opening 60 of the flap 72 of spool 7 match, as a result,
When flap 72 is located on valve opening 60, valve opening 60 can be closed by flap 72, in addition, when spool 7 moves in valve body 6, valve opening
60 openings of sizes can change with the change of its position so that the flow of valve body 6 can change, i.e., spool 7 can be in shifting in valve body 6
It is dynamic, and the corresponding flow for changing valve body 6.
When the utility model is used, water inlet 61 and water outlet 62 can be with the water systems in power station in same water
The water inlet end of flat height is connected with water outlet, realizes that horizontal installation, cylinder body 3 can be connected with hydraulic system, passes through oil
Oil inlet or fuel-displaced is carried out in hole 34, changes the position of piston 2 with this, and can be electrically connected close to switch 8 with control terminal, obtains in real time
Obtain the data sensed close to switch 8.
When that need not be supplied water, piston 2 moves down, and piston rod 1 is driven to move down, and valve rod 4 is servo-actuated and drives
Spool 7 moves down, and when the flap 72 of spool 7 is moved on valve opening 60, valve opening 60 is closed, i.e. water inlet 61 and water outlet
Mouth 62 is separated by spool 7, and the flow of valve body 6 is zero, and water system is without supplying water.
When being supplied water, piston 2 moves up, and piston rod 1 is driven to move up, and valve rod 4 is servo-actuated and drives valve
Core 7 moves up, and when the flap 72 of spool 7 is no longer contacted with valve opening 60, valve opening 60 is connected, i.e. water inlet 61 and water outlet
62 conductings can be that water outlet is supplied water for water end (W.E.), i.e., water system carries out water supply work.
In addition, during water supply, the change of change as 7 position of spool of the position of valve rod 4, and 4 position of valve rod
Change can be approached switch 8 and incuded so that user obtains the position of current valve rod 4, and user can be according to close to switch as a result,
8 contents sensed to change the position of valve rod 4 in due course to change the position of spool 7, the final opening for changing valve opening 60
Size changes the flow in valve body 6 with this, to adjust for water flow between water end (W.E.) and water outlet and water velocity.
Above-described is only some embodiments of the utility model.For those of ordinary skill in the art,
Without departing from the concept of the present invention, various modifications and improvements can be made, these belong to this practicality
Novel protection domain.
Claims (8)
1. a kind of horizontal installation hydraulic pressure needle valve, which is characterized in that including piston rod（1）, piston（2）, cylinder body（3）, valve rod
（4）, upper cover（5）, valve body（6）, spool（7）With close switch（8）, the cylinder body（3）, upper cover（5）And valve body（6）Connect successively
It connects, the piston rod（1）Mounted on piston（2）In, the piston（2）Cylinder body is installed（3）It is interior, the piston rod（1）With valve rod
（4）One end be connected, the valve rod（4）The other end and spool（7）It is connected, the valve body（6）Equipped with water inlet（61）
And water outlet（62）, the water inlet（61）Center and water outlet（62）Center be on sustained height, the spool（7）
It can be in valve body（6）Interior movement, and corresponding change valve body（6）Flow, it is described close to switch（8）Mounted on valve rod（4）On.
2. the horizontal installation hydraulic pressure needle valve of one kind according to claim 1, which is characterized in that the cylinder body（3）Including upper
Cylinder cap（31）, lower cylinder cap（32）With cylinder body（33）, the upper cylinder cover（31）, cylinder body（33）With lower cylinder cap（32）It is sequentially connected.
3. the horizontal installation hydraulic pressure needle valve of one kind according to claim 2, which is characterized in that the upper cylinder cover（31）With under
Cylinder cap（32）It is equipped with oilhole（34）.
4. the horizontal installation hydraulic pressure needle valve of one kind according to claim 2, which is characterized in that the upper cover（5）Including close
Capping（51）With lid body（52）, the sealing cover（51）With lid body（52）It is connected, the lid body（52）With lower cylinder cap（32）Phase
Connection, the sealing cover（51）With valve body（6）It is connected.
5. the horizontal installation hydraulic pressure needle valve of one kind according to claim 4, which is characterized in that including gland（9）, institute
State gland（9）Mounted on valve rod（4）On, and and sealing cover（51）It is connected.
6. the horizontal installation hydraulic pressure needle valve of one kind according to claim 1, which is characterized in that the spool（7）Including simultaneously
Cap（71）And flap（72）, described and cap（71）It is sleeved on valve rod, and and flap（72）It is connected.
7. the horizontal installation hydraulic pressure needle valve of one kind according to claim 6, which is characterized in that the valve body（6）Equipped with valve
Hole（60）, the valve opening（60）With water inlet（61）And water outlet（62）It is connected, when the flap（72）Positioned at valve opening
（60）When upper, valve opening（60）By flap（72）Closing.
8. the horizontal installation hydraulic pressure needle valve of one kind according to claim 7, which is characterized in that the flap（72）With valve opening
（60）Match, works as flap（72）In valve body（6）Interior movement, it is corresponding to change valve opening（60）Openings of sizes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721875188.XU CN207687455U (en) | 2017-12-28 | 2017-12-28 | A kind of horizontal installation hydraulic pressure needle valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721875188.XU CN207687455U (en) | 2017-12-28 | 2017-12-28 | A kind of horizontal installation hydraulic pressure needle valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207687455U true CN207687455U (en) | 2018-08-03 |
Family
ID=62993013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721875188.XU Expired - Fee Related CN207687455U (en) | 2017-12-28 | 2017-12-28 | A kind of horizontal installation hydraulic pressure needle valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207687455U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109990102A (en) * | 2019-04-29 | 2019-07-09 | 江苏师范大学 | A kind of needle valve |
-
2017
- 2017-12-28 CN CN201721875188.XU patent/CN207687455U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109990102A (en) * | 2019-04-29 | 2019-07-09 | 江苏师范大学 | A kind of needle valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180803 Termination date: 20201228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |