CN206145170U - Soft and hard sealing type ball valve - Google Patents
Soft and hard sealing type ball valve Download PDFInfo
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- CN206145170U CN206145170U CN201620809092.2U CN201620809092U CN206145170U CN 206145170 U CN206145170 U CN 206145170U CN 201620809092 U CN201620809092 U CN 201620809092U CN 206145170 U CN206145170 U CN 206145170U
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- valve seat
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- hard
- type ball
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Abstract
The utility model discloses a soft and hard sealing type ball valve, including spheroid, valve body and disk seat, be equipped with the valve seat seal body on the disk seat, with valve seat seal body complex rigidity seal layer on the spheroid, the valve seat seal body including metal base member sealed firmly, cusp that metal base member tip sealed firmly extends for longshore current body flow direction, the bulge of cusp tip are hard seal body, the recessed portion intussuseption of cusp tip is filled with the rubber soft seal body, the rubber soft seal body and hard seal body be common constitute and rigidity seal layer contact seal complex valve seat seal layer. The utility model discloses a soft and hard sealing combines for the disk seat is sealed reliable before with the spheroid, improves the reliability of valve work.
Description
Technical field
The utility model is related to a kind of valve mechanism.
Background technology
The sealing cooperation of existing ball valve is realized typically all by spheroid with the hard sealing of valve seat.Existing ball valve or
Person's eccentric half-ball valve is sealed to realize import, it usually needs sealing surface of seat is brought into close contact with the sealing surface of spheroid；Described
Valve seat is arranged on the entrance in valve body, and spacing by valve body, and valve seat is fixed on valve body by spring, pressing plate and screw, ball
Body is placed in the chamber of valve body；Ball seal face is pushed to valve seat by the thrust of the pretightning force of spring so as to be brought into close contact and come real
Now seal.
Design of Sealing Structure between existing ball valve upper valve base and spheroid is unreasonable to cause sealing unreliable, while on ball valve
The pretightning force of valve seat is non-adjustable, there is the insecure defect of sealing.
Utility model content
The purpose of this utility model is the shortcoming and defect in order to overcome prior art to exist, and provides one kind and adopt soft or hard
What sealing coordinated, design of Sealing Structure is reasonable between valve seat and spheroid, soft and hard seal type ball valve.
For achieving the above object, the technical solution of the utility model is；A kind of soft and hard seal type ball valve, include spheroid,
Valve body and valve seat, valve seat is provided with valve base sealing body, the hard sealant coordinated with valve base sealing body on the spheroid, its feature
It is：Described valve base sealing body includes metal hard-sealing matrix, and metal hard-sealing base end is to prolong along fluid flow direction
The dentation stretched, the bossing of dentated ends is hard seal body, soft close filled with rubber in the recessed portion of dentated ends
Feng Ti, rubber sealing body collectively forms with hard seal body and the valve base sealing that sealing coordinates is contacted with the hard sealant
Layer.
Under such scheme, valve base sealing body contacts the part that sealing coordinates with spheroid, is replaced using soft, hard sealing, reaches
Good sealing effectiveness.
Further, the valve base sealing layer is arcs of recesses, and hard sealant is convex spherical, and the rubber sealing body is higher by
Hard seal body.Under the structure, preferably reach sealing and coordinate, soft seal has preferably elasticity, improves sealing property.
Further, annular mounting disc is fixed with the import of the valve body, the inside edge of annular mounting disc has axle
To the supporting plate for extending internally, the outside lower edge sliding of valve seat is matched with planker, between the spheroid, valve body and annular mounting disc
The sliding chamber for valve seat sliding is constituted, spring eye is provided with valve seat outboard end, spring is provided with spring eye, set in annular mounting disc
There is screw, adjusting screw is installed with screw, the inner of the adjusting screw coordinates with the outer end pushing tow of spring.Under the structure,
In the built-in annular mounting disc of the import of valve body, annular mounting disc realizes that the sliding of valve seat coordinates, and realizes adjusting screw and spring
Assembling, the corresponding governor motion of valve seat is placed in valve body, is placed in valve channel, it is to avoid leakage problem, and using special
The mounting disc of door is installed, using adjusting screw can reasonable accurate regulating valve seat pretightning force, so as to not only facilitate processing and ball
Body is assembled, and can effectively reduce abrasion, improves the service life of valve.
Further, described annular mounting disc is pendant collet, is provided with and pendant collet on the import inside of described valve body
Corresponding pendant collet stopper slot.
Further, Angle Position is provided with spacing shoulder, described valve seat on the inner side of correspondence valve seat in described valve body
Inner side on angle the end difference being provided with spacing shoulder sliding and spacing cooperation.This setting, realizes on the inner side of valve seat
Angle it is spacing so that the sliding of valve seat is more steady.
Further, it is provided between the outside lower edge of the valve seat and the supporting plate of annular mounting disc and is entered for pressure medium
Sliding chamber enters gap to the medium that valve seat is implemented to compress, and the outer end of the adjusting screw is installed with the lock being adapted to adjusting screw
Tight nut.Under above-mentioned setting, after corresponding construction is placed in valve body, pressure medium is facilitated the introduction of, pressure medium enters sliding chamber
It is interior, can preferably provide the sealing force of valve seat and spheroid, there is provided sealing property, adjusting screw locks nut, it is to avoid
Screw loosening under pressure medium effect.
Further, the outside lower edge of the valve seat is that axially extending convex tendon and groove are circumferentially alternately distributed composition
Dentation, the convex tendon of the outside lower edge of valve seat is adapted to supporting plate, forms described between the outside lower edge Jing groove of valve seat and supporting plate
Medium enters gap.Under above-mentioned setting, convex tendon ensure that the cooperation reliability between valve seat and supporting plate, and groove ensures that medium is introduced
In sliding chamber, so that the movable more stable reliability of valve seat.
Further, the outer end of opposite valve seat is provided with pushing tow gasket ring in described sliding chamber, the side of the pushing tow gasket ring
Coordinate with spring ejection, opposite side coordinates with the inner ejection of adjusting screw.Above-mentioned setting, facilitates screw to match somebody with somebody with the pushing tow of spring
Close.
Further, one end of described pushing tow gasket ring correspondence adjusting screw offers Blind locating holes, and adjusting screw is inner
It is inserted in the Blind locating holes, constitutes adjusting screw and coordinate with the ejection of pushing tow gasket ring.Above-mentioned setting, facilitates screw and pushing tow pad
The cooperation of ring, causes screw to coordinate reliable with the pushing tow of spring so as to reach.
The utility model is described further with reference to specification drawings and specific embodiments.
Description of the drawings
Fig. 1 is the utility model specific embodiment structural representation；
Fig. 2 is the partial enlarged drawing of part A in Fig. 1；
Fig. 3 is the partial enlarged drawing of part B in Fig. 1.
Specific embodiment
As Figure 1-3, specific embodiment of the present utility model, a kind of soft and hard seal type ball valve, include spheroid 2,
Valve body 1 and valve seat 7, valve seat 7 is provided with valve base sealing body 70, the hard sealing coordinated with valve base sealing body 70 on the spheroid 2
Layer 21, described valve base sealing body 70 includes metal hard-sealing matrix, and metal hard-sealing base end is along fluid flow direction
The dentation of extension, the bossing of dentated ends is hard seal body 701, and rubber is filled with the recessed portion of dentated ends
Soft seal body 702, rubber sealing body 702 is collectively formed with hard seal body 701 and contacts sealing with the hard sealant 21
The valve base sealing layer of cooperation.
And, the valve base sealing layer is arcs of recesses, and hard sealant 21 is convex spherical, and the rubber sealing body 702 is high
Go out hard seal body 701.Under the structure, preferably reach sealing and coordinate, soft seal has preferably elasticity, improves sealing
Energy.Annular groove 22 is provided with spheroid 2, hard sealant 21 is filled in annular groove 22, facilitates the processing of hard sealant.
In this specific embodiment, in the import of described valve body 1 annular mounting disc 4, the inner side of annular mounting disc 4 are fixed with
Edge has the supporting plate 41 for extending axially inwardly, and the outside lower edge sliding of valve seat 7 is matched with supporting plate 41, the spheroid 2, valve
The sliding chamber 11 for the sliding of valve seat 7 is constituted between body 1 and annular mounting disc 4, in the outboard end of valve seat 7 spring eye 71, spring are provided with
Spring 6 is provided with hole 71, annular mounting disc 4 is provided with screw, is installed with adjusting screw 3 in screw, the adjusting screw 3 it is interior
End coordinates with the outer end pushing tow of spring 6.
After corresponding construction is placed in valve body 1, in order to further improve sealing reliability, the outside lower edge of the valve seat 7
It is provided with and the supporting plate 41 of annular mounting disc 4 between and for pressure medium the medium that valve seat 7 is implemented to compress is entered into sliding chamber 11
Enter gap 72, the outer end of the adjusting screw 3 is installed with the locking nut 31 being adapted to adjusting screw 3.Pressure medium is introduced, is situated between
Matter pressure is entered in sliding chamber 11, can preferably provide the sealing force of valve seat 7 and spheroid 2, there is provided sealing property, adjusting screw
3 lock nut 31, it is to avoid the screw loosening under pressure medium effect.
Further, the outside lower edge of the valve seat 7 is that axially extending convex tendon 73 and groove are circumferentially alternately distributed
The dentation of composition, the convex tendon 73 of the outside lower edge of valve seat 7 is adapted to supporting plate 41, outside lower edge Jing groove and the supporting plate 41 of valve seat 7
Between form the medium into gap 72.Convex tendon ensure that the cooperation reliability between valve seat 7 and supporting plate 41, and groove ensures to be situated between
Matter is introduced in sliding chamber 11, so that the movable more stable reliability of valve seat 7.
The present embodiment, the outer end of opposite valve seat 7 is provided with pushing tow gasket ring 5 in described sliding chamber 11, the pushing tow gasket ring 5
Side coordinates with the ejection of spring 6, and opposite side coordinates with the inner ejection of adjusting screw 3, in addition, the described correspondence of pushing tow gasket ring 5
One end of adjusting screw 3 is provided with Blind locating holes 51, and the inner of adjusting screw 3 is inserted in the Blind locating holes 51, constitutes and adjusts spiral shell
Nail 3 coordinates with the ejection of pushing tow gasket ring 5, so as to constitute the effect that above-mentioned adjusting screw 3 adjusts the pretightning force of spring 6.
In addition, in the present embodiment, for convenience of the positioning of sealing structure, described annular mounting disc 4 adopts simple four
Open loop, processes stopper slot 12 on valve body 1, and pendant collet is mounted in the stopper slot 12 of valve body 1, certainly, also not necessarily opens using four
Ring structure, it would however also be possible to employ other structures, but the most simple, economical rationality of pendant collet structure.Valve body 1 described in addition and valve seat 7
Between be provided with O-ring seals 8.
The present embodiment, Angle Position is provided with spacing shoulder 13 on the inner side of correspondence valve seat 7 in described valve body 1, described
On the inner side of valve seat 7 angle be provided with the sliding of spacing shoulder 13 and spacing cooperation end difference 74.
Above-described embodiment is specifically described to the utility model, is served only for carrying out furtherly the utility model
Bright, it is impossible to be interpreted as the restriction to the utility model protection domain, person skilled in art can be according to above-mentioned utility model
Content makes some nonessential modifications and adaptations to the utility model.
Claims (9)
1. a kind of soft and hard seal type ball valve, includes spheroid, valve body and valve seat, and valve seat is provided with valve base sealing body, the ball
The hard sealant coordinated with valve base sealing body on body, it is characterised in that：Described valve base sealing body includes metal hard-sealing matrix,
Metal hard-sealing base end is the dentation extended along fluid flow direction, and the bossing of dentated ends is hard seal sheet
Body, is filled with rubber sealing body in the recessed portion of dentated ends, rubber sealing body is collectively formed with hard seal body
The valve base sealing layer that sealing coordinates is contacted with the hard sealant.
2. soft and hard seal type ball valve according to claim 1, it is characterised in that：The valve base sealing layer is arcs of recesses, hard close
Sealing is convex spherical, and the rubber sealing body is higher by hard seal body.
3. soft and hard seal type ball valve according to claim 1 or claim 2, it is characterised in that：Ring is fixed with the import of the valve body
Shape mounting disc, the inside edge of annular mounting disc has the supporting plate for extending axially inwardly, and the outside lower edge sliding of valve seat is matched with
On planker, the sliding chamber for valve seat sliding is constituted between the spheroid, valve body and annular mounting disc, in valve seat outboard end bullet is provided with
Spring hole, is provided with spring in spring eye, annular mounting disc is provided with screw, and adjusting screw, the adjusting screw are installed with screw
The outer end pushing tow of the inner and spring coordinate.
4. soft and hard seal type ball valve according to claim 3, it is characterised in that：Described annular mounting disc be pendant collet, institute
Pendant collet stopper slot corresponding with pendant collet is provided with the import inside of the valve body stated.
5. soft and hard seal type ball valve according to claim 3, it is characterised in that：In described valve body on the inner side of correspondence valve seat
Angle Position is provided with spacing shoulder, the rank being provided with spacing shoulder sliding and spacing cooperation at angle on the inner side of described valve seat
Terraced portion.
6. soft and hard seal type ball valve according to claim 3, it is characterised in that：The outside lower edge of the valve seat and annular installation
It is provided between the supporting plate of disk and gap, the regulation spiral shell is entered to the medium that valve seat is implemented to compress into sliding chamber for pressure medium
The outer end of nail is installed with the locking nut being adapted to adjusting screw.
7. soft and hard seal type ball valve according to claim 6, it is characterised in that：The outside lower edge of the valve seat is axially extending
Convex tendon and groove be circumferentially alternately distributed the dentation of composition, the convex tendon of the outside lower edge of valve seat is adapted to supporting plate, valve seat
The medium is formed between outside lower edge Jing groove and supporting plate enter gap.
8. soft and hard seal type ball valve according to claim 6, it is characterised in that：The outer end of opposite valve seat in described sliding chamber
Pushing tow gasket ring is provided with, side and the spring ejection of the pushing tow gasket ring coordinate, and opposite side coordinates with the inner ejection of adjusting screw.
9. soft and hard seal type ball valve according to claim 8, it is characterised in that：Described pushing tow gasket ring correspondence adjusting screw
One end offers Blind locating holes, and adjusting screw the inner is inserted in the Blind locating holes, and composition adjusting screw is pushed away with pushing tow gasket ring
Top coordinates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620809092.2U CN206145170U (en) | 2016-07-29 | 2016-07-29 | Soft and hard sealing type ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620809092.2U CN206145170U (en) | 2016-07-29 | 2016-07-29 | Soft and hard sealing type ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206145170U true CN206145170U (en) | 2017-05-03 |
Family
ID=58617614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620809092.2U Active CN206145170U (en) | 2016-07-29 | 2016-07-29 | Soft and hard sealing type ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206145170U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681663A (en) * | 2019-01-17 | 2019-04-26 | 宣达实业集团有限公司 | Upper dress superhigh temperature ball valve with high temperature-proof expansion card resistance structure |
| CN109681662A (en) * | 2019-01-17 | 2019-04-26 | 宣达实业集团有限公司 | Upper dress superhigh temperature ball valve |
| CN110778735A (en) * | 2018-07-30 | 2020-02-11 | 永嘉东峰阀门有限公司 | Soft and hard double sealing ball valve |
-
2016
- 2016-07-29 CN CN201620809092.2U patent/CN206145170U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110778735A (en) * | 2018-07-30 | 2020-02-11 | 永嘉东峰阀门有限公司 | Soft and hard double sealing ball valve |
| CN109681663A (en) * | 2019-01-17 | 2019-04-26 | 宣达实业集团有限公司 | Upper dress superhigh temperature ball valve with high temperature-proof expansion card resistance structure |
| CN109681662A (en) * | 2019-01-17 | 2019-04-26 | 宣达实业集团有限公司 | Upper dress superhigh temperature ball valve |
| CN109681663B (en) * | 2019-01-17 | 2024-04-09 | 宣达实业集团有限公司 | Top-mounted ultra-high temperature ball valve with high-temperature expansion blocking prevention structure |
| CN109681662B (en) * | 2019-01-17 | 2024-04-23 | 宣达实业集团有限公司 | Top-mounted ultra-high temperature ball valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201506 Shanghai City, Jinshan District Jinshan Industrial Zone No. 368 gold Bailu Patentee after: Shanghai Hongsheng special valve manufacturing Limited by Share Ltd Address before: 201506 Shanghai City, Jinshan District Jinshan Industrial Zone No. 368 gold Bailu Patentee before: Hongsheng Special-Purpose Valve Manufacturing Co., Ltd., Shanghai |