CN208107262U - A kind of shut-off valve of sealing surface fluid erosion prevention - Google Patents
A kind of shut-off valve of sealing surface fluid erosion prevention Download PDFInfo
- Publication number
- CN208107262U CN208107262U CN201820494886.3U CN201820494886U CN208107262U CN 208107262 U CN208107262 U CN 208107262U CN 201820494886 U CN201820494886 U CN 201820494886U CN 208107262 U CN208107262 U CN 208107262U
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- Prior art keywords
- valve
- shut
- gear
- erosion prevention
- fluid erosion
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Abstract
The utility model provides a kind of shut-off valve of sealing surface fluid erosion prevention, including handwheel, valve rod and valve body, handwheel is fixed on valve rod upper surface, valve rod is mounted on the upside of valve inner, valve body upper surface is provided with ring flange, valve body right side is equipped with water outlet, valve body left side is equipped with water inlet, valve rod lower end surface is equipped with gear, gear annular side is equipped with tooth socket, bearing is equipped on the outside of gear, bearing annular side is fixed with fixing seat, fixing seat is mounted on immediately below valve rod, the design improves the compactness of sealing, fixing seat lower end surface is provided with rubber pad, rubber pad lower end surface is fixed with plastic mattress, valve inner middle position is equipped with metal gasket, the design solves the problems, such as that original shut-off valve fluid erosion prevention effect is bad, the utility model is structurally reasonable, convenient for combination installation, fluid erosion prevention effect is good, leakproofness is strong.
Description
Technical field
The utility model is a kind of shut-off valve of sealing surface fluid erosion prevention, belongs to shut-off valve equipment technical field.
Background technique
Shut-off valve is also known as pipe valve valve, belongs to forced seal formula valve, so when valve is closed, it is necessary to apply to flap and press
Power is not leaked with forced seal face.When medium is by entering valve below flap, the resistance overcome required for operating force, is valve
The frictional force of bar and filler and the thrust as caused 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, the failure of valve rod bending otherwise can occur.Erosion is exactly the synergy of material surface Yu erosion fluid scouring,
And cause the erosion of material part.
In the prior art, the fluid erosion prevention effect of existing cut-off valve sealing surface is bad, and after long-time use, sealing surface is easy
Cause sealing effect to reduce by erosion, be easy to happen leakage, while existing shut-off valve defective tightness in the fixation of sealing surface,
It is usually all that valve rod drives flap to rotate together, flap will receive abrasion when seal receptacle upper surface rotates, and be badly in need of one kind now
The shut-off valve of sealing surface fluid erosion prevention solves the above-mentioned problem.
Utility model content
In view of the deficienciess of the prior art, the utility model aim is to provide a kind of shut-off valve of sealing surface fluid erosion prevention,
To solve the problems mentioned in the above background technology, the utility model is structurally reasonable, and convenient for combination installation, fluid erosion prevention effect is good,
Leakproofness is strong.
To achieve the goals above, the utility model is to realize by the following technical solutions：A kind of sealing surface erosion control
The shut-off valve of erosion, including handwheel, valve rod and valve body, the handwheel are fixed on valve rod upper surface, and the valve rod is mounted on valve body
Upper inside, the valve body upper surface are provided with ring flange, and the valve body right side is equipped with water outlet, and the valve body left side is set
There is water inlet, the valve rod lower end surface is equipped with gear, and the gear annular side is equipped with tooth socket, is equipped with axis on the outside of the gear
It holds, the bearing annular side is fixed with fixing seat, and the fixing seat is mounted on immediately below valve rod, and the fixing seat lower end surface is set
It is equipped with rubber pad, the rubber pad lower end surface is fixed with plastic mattress, and the valve inner middle position is equipped with metal gasket.
Further, the handwheel outer surface is equipped with Anti-slip cover.
Further, leak-proof washer is equipped with inside the ring flange.
Further, the metal gasket lower end surface is equipped with seal receptacle, and the metal gasket middle position is equipped with through-hole, the modeling
Backing strap bottom is equipped with convex block, and convex block matches with through-hole.
Further, the plastic mattress is polytetrafluoroethylene (PTFE) material, and the metal gasket is stainless steel material.
Further, the gear and tooth socket are meshed, and the gear is rotatablely connected by bearing and fixing seat.
The beneficial effects of the utility model：The shut-off valve of a kind of sealing surface fluid erosion prevention of the utility model, because this is practical new
Type is added to rubber pad, plastic mattress and metal gasket, which can reduce sealing surface by the influence of water flow erosion, solves original
The problem for having shut-off valve fluid erosion prevention ineffective improves the service life and protective of the utility model.
The utility model is added to gear, tooth socket, bearing and fixing seat, which can be further to the close of sealing surface
Envelope effect is reinforced, and is solved the problems, such as that the tightness of original shut-off valve sealing is not high, is improved the sealing of the utility model
Compactness.
Because handwheel outer surface is equipped with Anti-slip cover, which improves the antiskid effect of handwheel, anti-because being equipped with inside ring flange
Drain gasket, the design improve the sealing effect connected between ring flange and valve body, because metal gasket lower end surface is equipped with seal receptacle, gold
Belong to pad middle position and be equipped with through-hole, plastic mattress bottom is equipped with convex block, and convex block matches with through-hole, which improves plastic mattress
The tightness connecting with metal gasket, because plastic mattress is polytetrafluoroethylene (PTFE) material, metal gasket is stainless steel material, which improves
The fluid erosion prevention effect of sealing surface, because gear and tooth socket are meshed, gear is rotatablely connected by bearing and fixing seat, and the design is convenient
Sealing surface is reinforced, the utility model is structurally reasonable, and convenient for combination installation, fluid erosion prevention effect is good, and leakproofness is strong.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon：
Fig. 1 is a kind of structural schematic diagram of the shut-off valve of sealing surface fluid erosion prevention of the utility model；
Fig. 2 is the schematic diagram of internal structure of valve body in a kind of shut-off valve of sealing surface fluid erosion prevention of the utility model；
Fig. 3 is the structural schematic diagram of stem bottom in a kind of shut-off valve of sealing surface fluid erosion prevention of the utility model；
In figure：1- handwheel, 2- valve rod, 3- ring flange, 4- water outlet, 5- valve body, 6- water inlet, 7- rubber pad, 8- plastics
Pad, 9- metal gasket, 10- gear, 11- tooth socket, 12- bearing, 13- fixing seat.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
Fig. 1-Fig. 3 is please referred to, the utility model provides a kind of technical solution：A kind of shut-off valve of sealing surface fluid erosion prevention, packet
Handwheel 1, valve rod 2 and valve body 5 are included, handwheel 1 is fixed on 2 upper surface of valve rod, and valve rod 2 is mounted on 5 upper inside of valve body, valve body 5
Upper surface is provided with ring flange 3, and 5 right side of valve body is equipped with water outlet 4, and 5 left side of valve body is equipped with water inlet 6,2 lower end surface of valve rod
Equipped with gear 10,10 annular side of gear is equipped with tooth socket 11, is equipped with bearing 12 on the outside of gear 10,12 annular side of bearing is fixed with
Fixing seat 13, fixing seat 13 are mounted on immediately below valve rod 2, and 13 lower end surface of fixing seat is provided with rubber pad 7,7 lower end surface of rubber pad
It is fixed with plastic mattress 8,5 bosom position of valve body is equipped with metal gasket 9.
1 outer surface of handwheel is equipped with Anti-slip cover, and leak-proof washer is equipped with inside ring flange 3, and 9 lower end surface of metal gasket is equipped with sealing
Seat, 9 middle position of metal gasket are equipped with through-hole, and 8 bottom of plastic mattress is equipped with convex block, and convex block matches with through-hole, and plastic mattress 8 is poly-
Tetrafluoroethene material, metal gasket 9 are stainless steel material, and gear 10 and tooth socket 11 are meshed, and gear 10 is by bearing 12 and fixes
Seat 13 is rotatablely connected.
As one embodiment of the utility model, when actual use：It is carrying out in use, user of service first
The utility model is checked, defect is checked for, if there is no can be carried out using in reality if problem
When use, when needing to close shut-off valve, rotation handwheel 1 moves down user of service with ovable valve stem 2, valve rod 2
It moves down band moving gear 10 to move down, gear 10 drives fixing seat 13 to move down, and fixing seat 13 drives rubber pad 7 and modeling
Backing strap 8 moves down, and because 9 lower end surface of metal gasket is equipped with seal receptacle, 9 middle position of metal gasket is equipped with through-hole, and 8 bottom of plastic mattress is set
There is convex block, and convex block matches with through-hole, can be realized fitting closely between plastic mattress 8 and metal gasket 9, continue to rotate handwheel
1, fixing seat 13, rubber pad 7 and plastic mattress 8 stop operating, and the rotation of 2 rotation driven gear 10 of valve rod, gear 10 is with dynamic bearing
12 rotations realize that valve rod 2 rotates on the upside of fixing seat 13, and valve rod 2, which moves down, can further compress downwards plastic mattress 8 and gold
Belong to the laminating degree between pad 9, improve the sealing tightness of the utility model, because plastic mattress 8 is polytetrafluoroethylene (PTFE) material, gold
Category pad 9 is stainless steel material, which, which can reduce water flow, influences the erosion of sealing surface, prevent sealing surface by erosion in turn
Sealing effect is influenced, the service life and protective of the utility model are improved.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, for
For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this
In the case where the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute
Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims
All changes are embraced therein.It should not treat any reference in the claims as limiting related right
It is required that.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of shut-off valve of sealing surface fluid erosion prevention, including handwheel, valve rod and valve body, it is characterised in that：The handwheel is fixed
In valve rod upper surface, the valve rod is mounted on the upside of valve inner, and the valve body upper surface is provided with ring flange, and the valve body is right
End face is equipped with water outlet, and the valve body left side is equipped with water inlet, and the valve rod lower end surface is equipped with gear, the gear annular side
Face is equipped with tooth socket, is equipped with bearing on the outside of the gear, the bearing annular side is fixed with fixing seat, and the fixing seat is mounted on
Immediately below valve rod, the fixing seat lower end surface is provided with rubber pad, and the rubber pad lower end surface is fixed with plastic mattress, the valve body
Bosom position is equipped with metal gasket.
2. a kind of shut-off valve of sealing surface fluid erosion prevention according to claim 1, it is characterised in that：The handwheel outer surface is set
There is Anti-slip cover.
3. a kind of shut-off valve of sealing surface fluid erosion prevention according to claim 1, it is characterised in that：It is set inside the ring flange
There is leak-proof washer.
4. a kind of shut-off valve of sealing surface fluid erosion prevention according to claim 1, it is characterised in that：The metal gasket lower end surface
Equipped with seal receptacle, the metal gasket middle position is equipped with through-hole, and the plastic mattress bottom is equipped with convex block, and convex block and through-hole phase
Match.
5. a kind of shut-off valve of sealing surface fluid erosion prevention according to claim 1, it is characterised in that：The plastic mattress is poly- four
Vinyl fluoride material, the metal gasket are stainless steel material.
6. a kind of shut-off valve of sealing surface fluid erosion prevention according to claim 1, it is characterised in that：The gear and tooth socket phase
Engagement, the gear are rotatablely connected by bearing and fixing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820494886.3U CN208107262U (en) | 2018-04-09 | 2018-04-09 | A kind of shut-off valve of sealing surface fluid erosion prevention |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820494886.3U CN208107262U (en) | 2018-04-09 | 2018-04-09 | A kind of shut-off valve of sealing surface fluid erosion prevention |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208107262U true CN208107262U (en) | 2018-11-16 |
Family
ID=64121188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820494886.3U Active CN208107262U (en) | 2018-04-09 | 2018-04-09 | A kind of shut-off valve of sealing surface fluid erosion prevention |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208107262U (en) |
-
2018
- 2018-04-09 CN CN201820494886.3U patent/CN208107262U/en active Active
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