CN208041168U - The anti-water erosion end mechanism of valve and butterfly valve - Google Patents
The anti-water erosion end mechanism of valve and butterfly valve Download PDFInfo
- Publication number
- CN208041168U CN208041168U CN201820498493.XU CN201820498493U CN208041168U CN 208041168 U CN208041168 U CN 208041168U CN 201820498493 U CN201820498493 U CN 201820498493U CN 208041168 U CN208041168 U CN 208041168U
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- valve
- drainage channel
- water erosion
- end mechanism
- capping
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Abstract
The anti-water erosion end mechanism of valve and butterfly valve.Mainly solve the problem of that ponding is easy at present valve bottom shaft mounting groove influences valve performance and service life.It is characterized in that：The valve outer wall is equipped with the drainage channel being connected to the mounting groove（6）, the drainage channel is equipped with the switching device for opening and closing the drainage channel（7）.The utility model provides the anti-water erosion end mechanism of valve and butterfly valve, includes the drainage channel being connected to for installing the mounting groove of shaft, can reduce corrosion by outside ponding discharge valve, increase valve performance and service life.
Description
Technical field
The utility model is related to valve fields, the more particularly to anti-water erosion end mechanism of valve and butterfly valve.
Background technology
There are start and stop when power plant steam pipeline, interior steam medium is not long-term existence, and as pipeline cools down, valve internal is empty
Between the steam medium retained will be condensed into water, if smooth cannot be discharged, will remain stored in, to influence its performance.Electricity
The heat supply network butterfly valve maintenance of factory is fed back often, is opened the visible a large amount of rust powder of end cap at the non-protruding end of butterfly valve, is found carbon steel valve
Usually corrosion is serious at non-protruding end, or even there is end face locating ring to fail because of corrosion abrasion, seriously affect valve uses the longevity
Life；It is even more so in nuclear power projects.
Utility model content
In order to overcome the shortcomings of background technology, the utility model provides the anti-water erosion end mechanism of valve and butterfly valve, main to solve
It is easy ponding at certainly present valve bottom shaft mounting groove, influences valve performance
And the problem of service life.
Technical solution used by the utility model is：
The anti-water erosion end mechanism of valve, including valve body, the valve body is interior to be equipped with rotatable spool, and the spool is equipped with
Shaft, the body base are equipped with the mounting groove for shaft installation, and the valve outer wall is equipped with and the mounting groove
The drainage channel of connection, the drainage channel are equipped with the switching device for opening and closing the drainage channel.
The switching device includes the capping being detachably connected with the valve body, and the capping is sealed with the drainage channel
Cooperation.
It includes the drainage tube being connect with the valve body also to wrap the switching device, is equipped with and the draining in the drainage tube
The drainage channel of channel connection, the drainage tube outer end are equipped with the capping being detachably connected, and the capping is sealed with drainage channel
Cooperation.
The capping is connected by screw with the drainage tube.
The reservoir being connected to the drainage tube is equipped in the capping.
The drainage tube is welded with the valve body.
The drainage tube is equipped with groove, and sealing ring is equipped in the groove, and the capping is equipped with bulge loop, the sealing
Ring one end outer wall coordinates with the bulge loop inner wall sealing.
It is additionally provided with airtight and watertight padding between the bulge loop and the sealing ring.
A kind of butterfly valve, including the anti-water erosion end mechanism of above-mentioned valve.
The body base detachably has bottom cover, the mounting groove to be set in the bottom cover, and the drainage channel is set to institute
It states on bottom cover outer wall.
Including valve body and valve rod, the valve rod is equipped with the spool, and the shaft is arranged with the valve-stem integrated.
The utility model has the beneficial effects that：The anti-water erosion end mechanism of the utility model offer valve and butterfly valve, including with
In installation shaft mounting groove connection drainage channel, can will outside ponding discharge valve, reduce corrosion, increase valve performance and
Service life.
Description of the drawings
Fig. 1 is the partial schematic diagram of the utility model one embodiment.
Fig. 2 is the enlarged diagram at A in Fig. 1.
Fig. 3 is the schematic cross-sectional view that the utility model one embodiment is set to butterfly valve.
Fig. 4 is the enlarged diagram at B in Fig. 3.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings：As shown, the anti-water erosion end mechanism of valve, including
Valve body 1, the valve body is interior to be equipped with rotatable spool 3, and the spool is equipped with shaft 4, and the body base, which is equipped with, is used for institute
The mounting groove 5 of shaft installation is stated, the valve outer wall is equipped with the drainage channel 6 being connected to the mounting groove, and the draining is logical
Road is equipped with the switching device 7 for opening and closing the drainage channel.The waterproof water erosion end mechanism can be arranged in various valves
On, such as butterfly valve, fixing ball valve etc., it can be drained needing the when of draining to turn on the switch device.
In the present invention, as shown, the switching device includes the capping 71 being detachably connected with the valve body,
The capping coordinates with the sealing of the drainage channel 6.In this embodiment, capping can directly be connect with valve body, and sealing is used in combination
Circle realizes that sealing, the connection type can be that screw connects.
In the present invention, as shown, it includes the drainage tube 72 being connect with the valve body also to wrap the switching device,
The drainage channel 721 being connected to the drainage channel is equipped in the drainage tube, the drainage tube outer end is equipped with and is detachably connected
Capping 71, it is described capping with drainage channel 721 sealing coordinate.It is interior to steam as pipeline cools down when power plant steam pipeline deactivates
Vapour medium gradually discharges, decrease temperature and pressure, and the steam medium in the non-protruding end of residual valve will be condensed into water, be entered by valve body and be drawn
In flow tube, capping（Reservoir 715 is equipped in capping）Storage；Also capping discharge ponding can be removed after valve deactivates cooling, from
And water erosion is eliminated to parts in valve（Such as divided ring 23, thrust pad 21）Influence.
In the present invention, as shown, the capping is connected by screw with the drainage tube.
In the present invention, as shown, the drainage tube is welded with the valve body.Reduce leak point, sealing performance
More preferably.
In the present invention, as shown, the drainage tube is equipped with groove 722, sealing ring is equipped in the groove
723, the capping is equipped with bulge loop 711, and described sealing ring one end outer wall coordinates with the bulge loop inner wall sealing.Sealing effect
It is good, it is simple in structure.
In the present invention, as shown, being additionally provided with airtight and watertight padding 724 between the bulge loop and the sealing ring.It is close
It is good to seal effect, it is simple in structure.
In the present invention, as shown, a kind of butterfly valve, including the anti-water erosion end mechanism of above-mentioned valve.The implementation
Butterfly valve is used in example, then shaft is arranged with valve-stem integrated, i.e., shaft is the lower end of valve rod.
In the present invention, as shown, the body base detachably has bottom cover 11, the mounting groove 5 to be set to institute
It states in bottom cover, the drainage channel is set on the bottom cover outer wall.
In the present invention, as shown, include valve body and valve rod 2, the valve rod be equipped with the spool, described turn
Axis is arranged with the valve-stem integrated.
Embodiment is not construed as limitations of the present invention, but changes made by any spirit based on the utility model
Into should all be within the protection scope of the utility model.
Claims (10)
1. the anti-water erosion end mechanism of valve, including valve body（1）, the valve body is interior to be equipped with rotatable spool（3）, on the spool
Equipped with shaft（4）, the body base, which is equipped with, is used for the mounting groove that the shaft is installed（5）, it is characterised in that：Outside the valve body
Wall is equipped with the drainage channel being connected to the mounting groove（6）, the drainage channel is equipped with for opening and closing the drainage channel
Switching device（7）.
2. the anti-water erosion end mechanism of valve according to claim 1, it is characterised in that：The switching device include with it is described
The capping that valve body is detachably connected（71）, described to cover and the drainage channel（6）Sealing cooperation.
3. the anti-water erosion end mechanism of valve according to claim 1, it is characterised in that：Also wrap the switching device include with
The drainage tube of the valve body connection（72）, the drainage tube is interior to be equipped with the drainage channel being connected to the drainage channel（721）, institute
It states drainage tube outer end and is equipped with the capping being detachably connected（71）, the capping and drainage channel（721）Sealing cooperation.
4. the anti-water erosion end mechanism of valve according to claim 3, it is characterised in that：It is equipped in the capping and draws with described
The reservoir of flow tube connection（715）.
5. the anti-water erosion end mechanism of valve according to claim 4, it is characterised in that：The drainage tube is welded with the valve body
It connects.
6. the anti-water erosion end mechanism of valve according to claim 5, it is characterised in that：The drainage tube is equipped with groove
（722）, the groove is interior to be equipped with sealing ring（723）, the capping is equipped with bulge loop（711）, described sealing ring one end outer wall with
The bulge loop inner wall sealing cooperation.
7. the anti-water erosion end mechanism of valve according to claim 6, it is characterised in that：The bulge loop and the sealing ring it
Between be additionally provided with airtight and watertight padding（724）.
8. a kind of butterfly valve, it is characterised in that：Including the anti-water erosion end mechanism of valve described in claim 1-7 any one.
9. butterfly valve according to claim 8, it is characterised in that：The body base detachably has bottom cover（11）, the peace
Tankage（5）In the bottom cover, the drainage channel is set on the bottom cover outer wall.
10. butterfly valve according to claim 9, it is characterised in that：Including valve body and valve rod（2）, the valve rod is equipped with institute
Spool is stated, the shaft is arranged with the valve-stem integrated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820498493.XU CN208041168U (en) | 2018-04-10 | 2018-04-10 | The anti-water erosion end mechanism of valve and butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820498493.XU CN208041168U (en) | 2018-04-10 | 2018-04-10 | The anti-water erosion end mechanism of valve and butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208041168U true CN208041168U (en) | 2018-11-02 |
Family
ID=63943301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820498493.XU Active CN208041168U (en) | 2018-04-10 | 2018-04-10 | The anti-water erosion end mechanism of valve and butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208041168U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108361390A (en) * | 2018-04-10 | 2018-08-03 | 江南阀门有限公司 | The anti-water erosion end mechanism of valve and butterfly valve |
-
2018
- 2018-04-10 CN CN201820498493.XU patent/CN208041168U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108361390A (en) * | 2018-04-10 | 2018-08-03 | 江南阀门有限公司 | The anti-water erosion end mechanism of valve and butterfly valve |
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