CN206496006U - A kind of practical stop valve - Google Patents
A kind of practical stop valve Download PDFInfo
- Publication number
- CN206496006U CN206496006U CN201720218269.6U CN201720218269U CN206496006U CN 206496006 U CN206496006 U CN 206496006U CN 201720218269 U CN201720218269 U CN 201720218269U CN 206496006 U CN206496006 U CN 206496006U
- Authority
- CN
- China
- Prior art keywords
- valve rod
- liquid
- valve
- bonnet
- input tube
- 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 practical stop valve; including bonnet; the top of the bonnet is fixed with pressure cap; and bonnet is internally provided with valve rod, the surface of the valve rod is provided with screw thread, and valve rod is provided with trim ring; the top of the valve rod is fixed with handwheel; the bottom of the valve rod is fixed with flap, and sealing gasket is provided between the bonnet and liquid input tube and liquid output pipe, and the inwall of the liquid input tube is provided with stainless protection layer.The utility model, spoiler is provided with by the inside of liquid input tube, spoiler can reduce the flow velocity of liquid, it is to avoid flow rate of liquid is too fast, collide the damage that valve rod causes valve rod, make valve rod use time more lasting, PTFE soft sealing materials layer is provided with by the surface of flap, PTFE soft sealing materials layer increases the sealing between flap and valve seat, when the valve is closed, it is not susceptible to the phenomenon of liquid leakage, it is ensured that the sealing of stop valve.
Description
Technical field
The utility model is related to valve arrangement technical field, specially a kind of practical stop valve.
Background technology
Valve is the control unit in fluid delivery system, with cut-off, regulation, water conservancy diversion, prevents adverse current, voltage stabilizing, shunting
Or the function such as overflow pressure relief.For the valve of fluid control systems, from simplest stop valve to extremely complex robot control system(RCS)
In used various valves, its kind and specification are quite various.Valve can be used for the empty gas and water of control, steam, various corrosivity to be situated between
The flowing of all kinds fluid such as matter, mud, oil product, liquid metal and radiating medium.Stop valve is relatively common in valve
One kind, stop valve is also known as pipe valve valve, belongs to forced seal formula valve, so when valve is closed, it is necessary to flap apply press
Power, is not leaked with forced seal face.When medium enters valve below flap, the resistance overcome required for operating physical force, is valve
The frictional force of bar and filler with as the thrust produced by the pressure of medium, the power of closing valve is bigger than the power of valve opening door, so valve rod
Diameter it is big, otherwise can occur the failure of valve rod bending.The inside valve rod of traditional stop valve is often subject to the collision of liquid,
Serious destroys valve rod, have impact on the service life of valve rod, is applied while being not provided with protection on traditional stop valve inwall
Layer, causes the corrosion for being often subject to kind of a Korrosionsmedium, mud, oil product, have impact on the service life of stop valve.
Utility model content
The purpose of this utility model is to provide a kind of practical stop valve, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the utility model provides following technical scheme：A kind of practical stop valve, including valve
Lid, the top of the bonnet is fixed with pressure cap, and bonnet is internally provided with valve rod, and the surface of the valve rod is provided with screw thread,
And trim ring is installed on valve rod, the top of the valve rod is fixed with handwheel, and the bottom of the valve rod is fixed with flap, the bonnet
Sealing gasket is provided between liquid input tube and liquid output pipe, the inwall of the liquid input tube is provided with stainless steel protection
Layer.
It is preferred that, it is fixed with valve seat on the liquid input tube and liquid output pipe.
It is preferred that, the inside of the liquid input tube is fixed with spoiler.
It is preferred that, the surface of the flap is provided with PTFE soft sealing materials layer.
It is preferred that, the surface of the handwheel is provided with external screw thread.
Compared with prior art, the beneficial effects of the utility model are：The utility model is scientific and reasonable for structure, easy to use
Efficiently；PTFE soft sealing materials layer is provided with by the surface of flap, PTFE soft sealing materials layer increase flap and valve seat it
Between sealing, when the valve is closed, be not susceptible to the phenomenon of liquid leakage, it is ensured that the sealing of stop valve；Pass through liquid
Stainless protection layer is provided with the inwall of input pipe, liquid input tube can be protected not corroded by acidic liquid, made simultaneously
Liquid input tube has effects that antirust, so as to extend the service life of liquid input tube；Pass through the inside of liquid input tube
Spoiler is installed, spoiler can reduce the flow velocity of liquid, it is to avoid flow rate of liquid is too fast, collides the damage that valve rod causes valve rod
It is bad, make valve rod use time more lasting, improve the practicality of stop valve；External screw thread is provided with by the surface of handwheel, increased
Big frictional force between hand and handwheel, it is to avoid skidding occur, makes rotation handwheel more laborsaving and conveniently.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is valve flap structure schematic diagram of the present utility model；
Fig. 3 is liquid input tube structural representation of the present utility model.
In figure：1- handwheels；2- pressure caps；3- trim rings；4- valve rods；5- screw threads；6- bonnets；7- sealing gaskets；8- liquid output pipes；
9- flaps；10- valve seats；11- liquid input tubes；12- stainless protection layers；13- spoilers；14-PTFE soft sealing materials layer.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Refer to Fig. 1-3, a kind of embodiment that the utility model is provided：A kind of practical stop valve, including bonnet
6, the top of bonnet 6 is fixed with pressure cap 2, and bonnet 6 is internally provided with valve rod 4, and the surface of valve rod 4 is provided with screw thread 5, and valve
Trim ring 3 is installed, the top of valve rod 4 is fixed with handwheel 1, and the bottom of valve rod 4 is fixed with flap 9, and bonnet 6 and liquid are defeated on bar 4
Enter and sealing gasket 7 be provided between pipe 11 and liquid output pipe 8, the inwall of liquid input tube 11 is provided with stainless protection layer 12,
Stainless protection layer 12 is provided with the inwall of liquid input tube 11, corruption of the liquid input tube 11 not by acidic liquid can be protected
Erosion, while make liquid input tube 11 that there is antirust, so that the service life of liquid input tube 11 is extended, liquid input
Valve seat 10 is fixed with pipe 11 and liquid output pipe 8, the inside of liquid input tube 11 is fixed with spoiler 13, inputted by liquid
The inside of pipe 11 is provided with spoiler 13, and spoiler 13 can reduce the flow velocity of liquid, it is to avoid flow rate of liquid is too fast, collides valve rod
4 cause the damage of valve rod 4, make the use time of valve rod 4 more lasting, improve the practicality of stop valve, and the surface of flap 9 is set
There is PTFE soft sealing materials layer 14, the surface of flap 9 is provided with PTFE soft sealing materials 14, PTFE of layer soft sealing materials layer 14 and increased
Big sealing between flap 9 and valve seat 10, when the valve is closed, is not susceptible to the phenomenon of liquid leakage, the surface of handwheel 1
External screw thread is provided with, external screw thread is provided with by the surface of handwheel 1, the frictional force between hand and handwheel is increased, it is to avoid go out
Existing skidding.
Specifically used mode：In utility model works, rotation hand wheel 1, valve rod 4 is moved down, and makes flap 9 and valve seat 10
It is combined together, so as to hinder the flowing of liquid, PTFE soft sealing materials layer 14, increase is provided with by the surface of flap 9
Sealing between flap 9 and valve seat 10, will not occur leakage phenomenon, be provided with not on the inwall by liquid input tube 11
Become rusty steel protective layer 12, and liquid input tube 11 can be protected not corroded by liquid such as acidity, and the resistance in liquid input tube 11
Stream plate 13 can lower the flow velocity of liquid, it is to avoid flow rate of liquid is too fast to cause the damage of valve rod 4, when needing opening stop valve
When, then rotation hand wheel 1, flap 9 is separated with valve seat 10, liquid flows out from liquid output pipe 8.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Claims (5)
1. a kind of practical stop valve, including bonnet (6), it is characterised in that：The top of the bonnet (6) is fixed with pressure cap
(2), and bonnet (6) is internally provided with valve rod (4), the surface of the valve rod (4) is provided with screw thread (5), and valve rod (4) pacifies
Equipped with trim ring (3), the top of the valve rod (4) is fixed with handwheel (1), and the bottom of the valve rod (4) is fixed with flap (9), institute
State and sealing gasket (7), the liquid input tube are provided between bonnet (6) and liquid input tube (11) and liquid output pipe (8)
(11) inwall is provided with stainless protection layer (12).
2. a kind of practical stop valve according to claim 1, it is characterised in that：The liquid input tube (11) and
Valve seat (10) is fixed with liquid output pipe (8).
3. a kind of practical stop valve according to claim 1, it is characterised in that：The liquid input tube (11)
Inside is fixed with spoiler (13).
4. a kind of practical stop valve according to claim 1, it is characterised in that：The surface of the flap (9) is set
It is equipped with PTFE soft sealing materials layer (14).
5. a kind of practical stop valve according to claim 1, it is characterised in that：The surface of the handwheel (1) is set
It is equipped with external screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720218269.6U CN206496006U (en) | 2017-02-27 | 2017-02-27 | A kind of practical stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720218269.6U CN206496006U (en) | 2017-02-27 | 2017-02-27 | A kind of practical stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206496006U true CN206496006U (en) | 2017-09-15 |
Family
ID=59806319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720218269.6U Expired - Fee Related CN206496006U (en) | 2017-02-27 | 2017-02-27 | A kind of practical stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206496006U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110726000A (en) * | 2019-09-25 | 2020-01-24 | 江苏辰龙阀门制造有限公司 | High-temperature steam valve |
| CN114001165A (en) * | 2021-11-26 | 2022-02-01 | 江苏特思克阀门制造有限公司 | Stop valve capable of distinguishing high end and low end |
-
2017
- 2017-02-27 CN CN201720218269.6U patent/CN206496006U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110726000A (en) * | 2019-09-25 | 2020-01-24 | 江苏辰龙阀门制造有限公司 | High-temperature steam valve |
| CN114001165A (en) * | 2021-11-26 | 2022-02-01 | 江苏特思克阀门制造有限公司 | Stop valve capable of distinguishing high end and low end |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170915 Termination date: 20190227 |