CN208107176U - A kind of shut-off valve valve rod axial direction self sealing structure - Google Patents
A kind of shut-off valve valve rod axial direction self sealing structure Download PDFInfo
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- CN208107176U CN208107176U CN201820494879.3U CN201820494879U CN208107176U CN 208107176 U CN208107176 U CN 208107176U CN 201820494879 U CN201820494879 U CN 201820494879U CN 208107176 U CN208107176 U CN 208107176U
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- valve
- valve rod
- shut
- end surface
- axial direction
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Abstract
The utility model provides a kind of shut-off valve valve rod axial direction self sealing structure,Including handwheel,Valve deck,Water inlet,Valve body and water outlet,Handwheel is mounted on the upside of valve deck,Valve deck is mounted on valve body upper surface,Valve body right side is provided with water inlet,Water outlet is arranged in valve body left side,Valve deck upper surface is provided with pressure cap,Pressure cap upper inside is equipped with pressing plate,Pressing plate lower end surface is fixed with spring,Pressure cap bottom is equipped with filler,Filler is mounted on valve rod annular side,The design improves the comprehensive of sealing,Valve rod lower end surface is fixed with switch block,Switch block lower end surface is fixed with fixture block,Sealing plate is installed immediately below valve rod,Sealing plate bosom position is provided with fixture block,Sealing plate lower end surface is provided with flap,Valve inner is equipped with seal receptacle,Seal receptacle is mounted on immediately below flap,The design improves the tightness of sealing,The utility model is structurally reasonable,It is high to seal tightness,It is comprehensive strong.
Description
Technical field
The utility model is a kind of shut-off valve valve rod axial direction self sealing structure, 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.
In the prior art, existing shut-off valve sealing effect is poor, is worn for a long time using sealing ring, it may occur that leakage
Water phenomenon, while compactness deficiency is sealed, it is axial from close cannot to be badly in need of now a kind of shut-off valve valve rod to reinforcing at sealing
Seal structure 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 valve rod axial direction self-sealing knot
Structure, to solve the problems mentioned in the above background technology, the utility model are structurally reasonable, and sealing tightness is high, comprehensive strong.
To achieve the goals above, the utility model is to realize by the following technical solutions：A kind of shut-off valve valve rod
Axial self sealing structure, including handwheel, valve deck, water inlet, valve body and water outlet, the handwheel are mounted on the upside of valve deck, institute
It states handwheel lower end surface and is provided with valve rod, the valve deck is mounted on valve body upper surface, and the valve deck lower end surface is equipped with gasket, the valve
Body right side is provided with water inlet, and the water outlet is arranged in valve body left side, and the valve rod is mounted on handwheel lower end surface, described
It is provided with valve rod on the upside of valve inner, the valve rod annular side is fixed with threaded block, and the valve deck upper surface is provided with pressure cap,
The pressure cap upper inside is equipped with pressing plate, and the pressing plate lower end surface is fixed with spring, and the pressure cap bottom is equipped with filler, described to fill out
Material is mounted on valve rod annular side, and the valve rod lower end surface is fixed with switch block, and the switch block lower end surface is fixed with fixture block, the valve
Sealing plate is installed immediately below bar, sealing plate bosom position is provided with fixture block, and the sealing plate lower end surface is provided with
Flap, the valve inner are equipped with seal receptacle, and the seal receptacle is mounted on immediately below flap.
Further, the handwheel outer surface is equipped with Anti-slip cover.
Further, the valve deck is connected by screw thread with valve body, and the pressure cap is connected by screw thread with valve deck, institute
It states valve deck and passes through gasket and valve body airtight connection.
Further, sealing plate bosom position is equipped with turn trough, and the fixture block matches with turn trough, the valve rod
It is rotatablely connected by fixture block and turn trough and sealing plate.
Further, the flap lower end surface is equipped with erosion resistant coating.
Further, the seal receptacle upper surface is equipped with metal coating.
Further, the flap lower end surface is equipped with convex block, and convex block matches with seal receptacle.
Further, the pressure cap, pressing plate, spring and filler constitute component A, the switch block, sealing plate, flap, close
It seals seat and fixture block constitutes component B.
The beneficial effects of the utility model：A kind of shut-off valve valve rod axial direction self sealing structure of the utility model, because of this reality
It is added to pressure cap, pressing plate, spring and filler with novel, which improves the leakproofness of valve deck Yu valve inner junction,
It is not comprehensive enough to solve the problems, such as that original shut-off valve seals, the sealing for improving the utility model is comprehensive.
The utility model is added to switch block, sealing plate, flap, seal receptacle and fixture block, which can further increase
The leakproofness of flap solves the problems, such as original shut-off valve sealing defective tightness, improves the sealing compactness of the utility model.
Because handwheel outer surface is equipped with Anti-slip cover, which improves the antiskid effect of handwheel, because of sealing plate bosom position
Turn trough is installed, switch block matches with turn trough, and valve rod is rotatablely connected by switch block and turn trough and sealing plate, and the design is convenient to valve
Valve is fixed, and because flap lower end surface is equipped with erosion resistant coating, which improves the service life of flap, because of seal receptacle upper end
Face is equipped with metal coating, which improves the firmness degree of seal receptacle, because flap lower end surface is equipped with convex block, and convex block and sealing
Seat matches, which improves the sealing effect of flap, and the utility model is structurally reasonable, and sealing tightness is high, comprehensive 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 shut-off valve valve rod axial direction self sealing structure of the utility model；
Fig. 2 is the structural schematic diagram of component A in a kind of shut-off valve valve rod axial direction self sealing structure of the utility model；
Fig. 3 is the structural schematic diagram of component B in a kind of shut-off valve valve rod axial direction self sealing structure of the utility model；
In figure：1- handwheel, 2- valve deck, 3- threaded block, 4- water inlet, 5- valve body, 6- water outlet, 7- valve rod, 8- gasket,
9- pressure cap, 10- pressing plate, 11- spring, 12- filler, 13- switch block, 14- sealing plate, 15- flap, 16- seal receptacle, 17- fixture block.
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 valve rod axial direction self-sealing knot
Structure, including handwheel 1, valve deck 2, water inlet 4, valve body 5 and water outlet 6, handwheel 1 are mounted on 2 upside of valve deck, 1 lower end surface of handwheel
It is provided with valve rod 7, valve deck 2 is mounted on 5 upper surface of valve body, and 2 lower end surface of valve deck is equipped with gasket 8, and 5 right side of valve body is provided with into water
Mouth 4, water outlet 6 are arranged in 5 left side of valve body, and valve rod 7 is mounted on 1 lower end surface of handwheel, and 5 upper inside of valve body is provided with valve rod 7,
7 annular side of valve rod is fixed with threaded block 3, and 2 upper surface of valve deck is provided with pressure cap 9, and 9 upper inside of pressure cap is equipped with pressing plate 10, pressure
10 lower end surface of plate is fixed with spring 11, and 9 bottom of pressure cap is equipped with filler 12, and filler 12 is mounted on 7 annular side of valve rod, under valve rod 7
End face is fixed with switch block 13, and 13 lower end surface of switch block is fixed with fixture block 17, and sealing plate 14, sealing plate 14 are equipped with immediately below valve rod 7
Bosom position is provided with fixture block 17, and 14 lower end surface of sealing plate is provided with flap 15, and seal receptacle 16 is equipped with inside valve body 5, close
Envelope seat 16 is mounted on immediately below flap 15.
1 outer surface of handwheel is equipped with Anti-slip cover, and valve deck 2 is connected by screw thread with valve body 5, and pressure cap 9 passes through screw thread and valve deck 2
Be connected, for valve deck 2 by gasket 8 and 5 airtight connection of valve body, 14 bosom position of sealing plate is equipped with turn trough, fixture block 17 with turn
Slot matches, and valve rod 7 is rotatablely connected by fixture block 17 and turn trough and sealing plate 14, and 15 lower end surface of flap is equipped with erosion resistant coating, sealing
16 upper surfaces of seat are equipped with metal coating, and 15 lower end surface of flap is equipped with convex block, and convex block matches with seal receptacle 16, pressure cap 9, pressing plate
10, spring 11 and filler 12 constitute component A, switch block 13, sealing plate 14,17 composition group of flap 15, seal receptacle 16 and fixture block
Part B.
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 user of service needs to close shut-off valve, handwheel 1 is rotated, the rotation band ovable valve stem 7 of handwheel 1 rotates, because
7 annular side of valve rod is equipped with threaded block 3, and the rotation of valve rod 7 can be realized threaded block 3 and move down along valve body 5, and threaded block 3 drives
Valve rod 7 moves down, and valve rod 7 moves down band dynamic pressure plate 10 and moves down, and pressing plate 10 drives spring 11 to move down, spring 11
It is compressed after encountering filler 12, spring 11 can give the downward pressure of filler 12, paste filler 12 closely with 9 lower end surface of pressure cap
It closes, solves the problems, such as that original valve rod 7 is fixed by the way that screw thread is single, the sealing for improving the utility model is comprehensive.
User of service rotates handwheel 1 and moves down with ovable valve stem 7, and valve rod 7 drives switch block 13, sealing plate 14 and flap
15 move downwardly together, when flap 15 is bonded with seal receptacle 16, continue to turn handwheel 1, handwheel 1 is rotated with ovable valve stem 7, valve
Bar 7 drives switch block 13 to rotate, and because switch block 13 is rotatablely connected by fixture block 17 and turn trough and sealing plate 14, realizes that valve rod 7 is sealing
It is rotated on the upside of plate 14, valve rod 7 drives switch block 13 to pull down sealing plate 14, sealing plate 14 and flap 15 and seal receptacle 16 closely patch
It closes, realizes the tight type being bonded between flap 15 and seal receptacle 16.
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 (8)
1. a kind of shut-off valve valve rod axial direction self sealing structure, including handwheel, valve deck, water inlet, valve body and water outlet, feature
It is：The handwheel is mounted on the upside of valve deck, and the handwheel lower end surface is provided with valve rod, and the valve deck is mounted on valve body upper end
Face, the valve deck lower end surface are equipped with gasket, and the valve body right side is provided with water inlet, and the water outlet is arranged in valve body left end
Face, the valve rod are mounted on handwheel lower end surface, are provided with valve rod on the upside of the valve inner, the valve rod annular side is fixed with
Threaded block, the valve deck upper surface are provided with pressure cap, and the pressure cap upper inside is equipped with pressing plate, and the pressing plate lower end surface is fixed with
Spring, the pressure cap bottom are equipped with filler, and the filler is mounted on valve rod annular side, and the valve rod lower end surface, which is fixed with, to be turned
Block, the switch block lower end surface are fixed with fixture block, are equipped with sealing plate, sealing plate bosom position immediately below the valve rod
It is provided with fixture block, the sealing plate lower end surface is provided with flap, and the valve inner is equipped with seal receptacle, and the seal receptacle is mounted on
Immediately below flap.
2. a kind of shut-off valve valve rod axial direction self sealing structure according to claim 1, it is characterised in that：The handwheel appearance
Face is equipped with Anti-slip cover.
3. a kind of shut-off valve valve rod axial direction self sealing structure according to claim 1, it is characterised in that：The valve deck passes through
Screw thread is connected with valve body, and the pressure cap is connected by screw thread with valve deck, and the valve deck passes through gasket and valve body airtight connection.
4. a kind of shut-off valve valve rod axial direction self sealing structure according to claim 1, it is characterised in that：In the sealing plate
Portion middle position is equipped with turn trough, and the fixture block matches with turn trough, and the valve rod is connected by fixture block and the rotation of turn trough and sealing plate
It connects.
5. a kind of shut-off valve valve rod axial direction self sealing structure according to claim 1, it is characterised in that：The flap lower end
Face is equipped with erosion resistant coating.
6. a kind of shut-off valve valve rod axial direction self sealing structure according to claim 1, it is characterised in that：On the seal receptacle
End face is equipped with metal coating.
7. a kind of shut-off valve valve rod axial direction self sealing structure according to claim 1, it is characterised in that：The flap lower end
Face is equipped with convex block, and convex block matches with seal receptacle.
8. a kind of shut-off valve valve rod axial direction self sealing structure according to claim 1, it is characterised in that：The pressure cap, pressure
Plate, spring and filler constitute component A, and the switch block, sealing plate, flap, seal receptacle and fixture block constitute component B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820494879.3U CN208107176U (en) | 2018-04-09 | 2018-04-09 | A kind of shut-off valve valve rod axial direction self sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820494879.3U CN208107176U (en) | 2018-04-09 | 2018-04-09 | A kind of shut-off valve valve rod axial direction self sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208107176U true CN208107176U (en) | 2018-11-16 |
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ID=64120231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820494879.3U Active CN208107176U (en) | 2018-04-09 | 2018-04-09 | A kind of shut-off valve valve rod axial direction self sealing structure |
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| Country | Link |
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| CN (1) | CN208107176U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410512A (en) * | 2019-07-25 | 2019-11-05 | 江苏圣泰阀门有限公司 | A kind of screw down nonreturn valve |
-
2018
- 2018-04-09 CN CN201820494879.3U patent/CN208107176U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110410512A (en) * | 2019-07-25 | 2019-11-05 | 江苏圣泰阀门有限公司 | A kind of screw down nonreturn valve |
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