CN203500543U - Forced sealing valve operated via angular travel - Google Patents
Forced sealing valve operated via angular travel Download PDFInfo
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- CN203500543U CN203500543U CN201320230684.5U CN201320230684U CN203500543U CN 203500543 U CN203500543 U CN 203500543U CN 201320230684 U CN201320230684 U CN 201320230684U CN 203500543 U CN203500543 U CN 203500543U
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Abstract
The utility model relates to a forced sealing valve operated via angular travel. Main part of the forced sealing valve comprises a valve body, an opening and closing piece, a valve cover, a valve rod, a valve base, a flow guide barrel, a valve base support plate, a flow guide barrel support plate, an operation mechanism, a drain valve and the like, wherein the opening and closing piece is arranged between the valve base and the flow guide barrel; the convex surface and the concave surface of the opening and closing piece have eccentric spherical structures; the thickness of each part of the opening and closing piece can be adjusted by adjusting the relative positions and radii of the sphere centers of the convex spherical surface and the concave spherical surface, so the sealing specific pressure between the opening and closing piece and the valve base when the valve is positioned at different valve positions is adjusted, and the valve can be sealed forcibly at certain valve positions. Moreover, the opening and closing piece, the valve rod, the valve base, the flow guide barrel, the valve base support plate, the flow guide barrel support plate and the valve cover can be integrated into one module, and the entire module can be extracted out of the valve after a fastener for connecting the valve cover and the valve body is detached, so that modular replacement of wearable parts of the valve is realized.
Description
Technical field
The utility model relates to a kind of valve, especially a kind of forced seal valve that is convenient for changing the angle stroke operation of spool.
Background technique
As " throat " of the industry various pipes systems such as oil, chemical industry, electric power, metallurgy, papermaking, valve has application very widely in above-mentioned industry, and ball valve and Wedge gate valve are wherein to apply maximum valve types.
Common ball valve generally comprises valve body, valve rod, valve gap, spheroid, valve seat etc., and valve rod and spheroid are in transmission connection, thereby makes spheroid rotate to change the object that relativeness between spheroid runner and valve seat reaches opening and closing medium.The operation of ball valve is generally 90 ° of angle stroke operations, have advantages of that switch is rapid, easy to operate, and when standard-sized sheet, two positions of complete shut-down, sealing surface of seat and sphere can be difficult for by medium erosion in closed state, therefore in every profession and trade, are widely used.But, ordinary ball valve has following two shortcomings: one, in switching process, greatly medium can be flowed through after valve pocket and be flowed to downstream, in this process, MEDIA FLOW is violent to changing, and liquid speed is very fast, can spheroid and sealing surface of seat be formed seriously and be washed away, spheroid and valve seat all easily wear and tear; They are two years old, no matter spheroid with respect to valve seat in which kind of position, pressure between the two is identical, at any valve position seal pressure between the two, be identical, this makes the double-barreled question that has been chosen to of seal pressure between the two: select higher seal pressure can accelerate the wearing and tearing of ball seal face and sealing surface of seat, and select lower seal pressure can cannot guarantee the sealability of valve.
Common Wedge gate valve generally comprises valve body, valve rod, valve gap, wedge-type flashboard, valve seat etc., and valve rod and flashboard are in transmission connection, thereby makes flashboard move up and down to change the object that relativeness between flashboard runner and valve seat reaches opening and closing medium.Wedge gate valve is a kind of forced seal formula valve, its forced seal is mutually pushed when the state of complete shut-down position by wedge-type flashboard and valve seat and is produced forced seal power and realize, forced seal power has improved the seal pressure of valve when complete shut-down position, guaranteed the sealability of Wedge gate valve in complete shut-down position, this design has simultaneously reduced flashboard and the wearing and tearing of sealing surface of seat in switching process.But Wedge gate valve is many rotary type operations, switching process needs the long period, and it is convenient not to operate.
Model utility content
The utility model combines ball valve and Wedge gate valve advantage in design, has overcome their above-mentioned shortcoming, and relevant easy-abrasion part realized modular design, and object is to provide the forced seal valve of a kind of modular design angle stroke operation.
The technical solution of the utility model is as follows:
A forced seal valve for modular design angle stroke operation, its critical piece comprises valve body, open-shut device, valve gap, valve rod, valve seat, guide shell, valve seat dunnage, guide shell dunnage, operating device and blowdown valve etc.Valve rod and open-shut device are in transmission connection, thereby make open-shut device rotate to change the object that relativeness between open-shut device runner and valve seat reaches opening and closing medium.In design, as long as valve rod drives open-shut device half-twist, the conversion of valve wide open position and complete shut-down position can be realized in left and right, has realized the angle stroke operation of valve.Therefore, this valve is identical with ordinary ball valve, has advantages of that switch is rapid, easy to operate, and has avoided Wedge gate valve to need the shortcoming of many revolution operations.
Open-shut device is arranged between valve seat and guide shell, and its convex surface and concave surface are spheric structure.One side of valve seat coordinates with the protruding sphere-contact of open-shut device, and an other side contacts cooperation with valve body.One side of guide shell contacts cooperation with the concave spherical surface of open-shut device, and an other side contacts cooperation with valve body.Protruding sphere and concave spherical surface are eccentric structure, and their centre of sphere does not overlap.This eccentric structure makes open-shut device thickness everywhere incomplete same, and then to make the diverse location of open-shut device and the pressure between valve seat and guide shell be incomplete same.By regulating the relative position of protruding sphere and concave sphere's center and their radius, can regulate open-shut device thickness everywhere with regulating valve seal pressure between open-shut device and valve seat when the different valve position, this makes valve can realize forced seal when some valve position.This selection that makes valve seal specific pressure is no longer double-barreled question, can realize in design and need have larger pressure part to adopt larger open-shut device thickness between open-shut device and valve seat and guide shell.For example, can be by open-shut device larger in the Thickness Design of complete shut-down position, open-shut device and valve seat and guide shell are mutually pushed when the state of complete shut-down position and produce forced seal power, forced seal power has improved the seal pressure of valve when complete shut-down position, guarantee the sealability of valve in complete shut-down position, realized the forced seal of complete shut-down position, simultaneously, the seal pressure of other valve position is less, has reduced the wearing and tearing in switching process of open-shut device and sealing surface of seat.
Guide shell is arranged in valve body, one side contacts with valve body to coordinate and forms sealing, an other side contacts cooperation with open-shut device concave spherical surface, this structure can play the effect of water conservancy diversion in valve switch process to medium, make most media directly through guide shell, to flow to downstream, in this process, medium can be ignored washing away of open-shut device and sealing surface of seat, open-shut device and valve seat are not easy wearing and tearing, and this has been avoided a shortcoming of ordinary ball valve.
In addition, open-shut device, valve rod, valve seat, guide shell, valve seat dunnage, guide shell dunnage and valve gap can be made a module, after the fastening piece being connected with valve body at dismounting valve gap, can be by whole module whole extraction out from valve, this makes the easily damaged parts of this valve realize modularization replacing, reduce the difficulty of changing easily damaged parts, saved engineering time, can greatly reduce user's inactivity cost.
The utility model has the advantage of:
Valve is 90 ° of angle stroke operations, has advantages of that switch is rapid, easy to operate, and has avoided common forced seal valve to need the shortcoming of many revolution operations; The protruding sphere of open-shut device and concave spherical surface adopt eccentric design, make open-shut device and valve seat and guide shell can push at the valve position state of appointment the forced seal power that produces, forced seal power has improved the seal pressure of valve, guaranteed the sealability of valve in these valve position, realized forced seal, meanwhile, the seal pressure of other valve position is less, has reduced the wearing and tearing in switching process of open-shut device and sealing surface of seat; Guide shell is set in valve, makes most media directly through guide shell, to flow to downstream, in this process, medium can be ignored washing away of open-shut device and sealing surface of seat, and open-shut device and valve seat are not easy wearing and tearing; The parts such as open-shut device, valve rod, valve seat, guide shell can be made a module, and this makes the easily damaged parts of this valve realize modularization replacing, have reduced the difficulty of changing easily damaged parts, have saved engineering time, can greatly reduce user's inactivity cost.
Accompanying drawing explanation
The main structure of the forced seal valve that the angle stroke that accompanying drawing 1 relates to for the utility model operates;
The forced seal valve standard-sized sheet position valve pocket schematic diagram that the angle stroke that accompanying drawing 2 relates to for the utility model operates;
The forced seal valve complete shut-down position valve pocket schematic diagram that the angle stroke that accompanying drawing 3 relates to for the utility model operates;
The open-shut device eccentric structure schematic diagram of the forced seal valve that the angle stroke that accompanying drawing 4 relates to for the utility model operates;
The half-open position of the forced seal valve medium that the angle stroke that accompanying drawing 5 relates to for the utility model operates washes away schematic diagram to seal element;
Accompanying drawing 6 is that the half-open position of ordinary ball valve medium washes away schematic diagram to seal element;
The forced seal valve core module diagram that the angle stroke that accompanying drawing 7 relates to for the utility model operates:
Embodiment
A forced seal valve for modular design angle stroke operation, its critical piece comprises: valve body 1, open-shut device 2, valve gap 3, valve rod 4, valve seat 5, guide shell 6, valve seat dunnage 7, guide shell dunnage 8, operating device 9, blowdown valve 10.As shown in Figure 1.
Open-shut device 2 is connected with valve rod 4, by rotary valve rod 4, drives open-shut device 2 to rotate to change the object of the relativeness opening and closing medium between the runner of open-shut device 2 and the latus rectum of valve seat 5.When the Flow area of open-shut device 2 and the drift diameter area of valve seat 5 100% are communicated with, valve is in standard-sized sheet position; When the Flow area of open-shut device 2 and the drift diameter area of valve seat 5 100% is isolated, valve is in complete shut-down position; When the Flow area of open-shut device 2 and the drift diameter area of valve seat 5 are partly communicated with, valve is in half-open position.
In design, as long as valve rod 4 drives open-shut device 2 to rotate, can play the object that changes valve position between standard-sized sheet position and complete shut-down position in the scope of approximately 90 °, valve has been realized angle stroke operation.
Open-shut device 2 is arranged between valve seat 5 and guide shell 6, and its inner side is concave spherical surface structure, and outside is protruding spheric structure.Between valve body 1, open-shut device 2, valve gap 3, valve seat 5 and guide shell 6, can form a cavity, be referred to as valve pocket.As shown in Figure 2 and Figure 3.
One side of valve seat 5 contacts cooperation with valve body 1, and is provided with seal ring between valve seat 5 and valve body 1, makes can form sealing between valve seat 5 and valve body 1, and medium can not flow through between valve seat 5 and valve body 1.An other side of valve seat 5 coordinates with the protruding sphere-contact of open-shut device 2, according to ambient condition and actual user demand, thereby can inlay seal ring at valve seat 5 and realize sealing sealing between them, thereby also can make to realize metal to metal seal between them by improving the machining accuracy of valve seat 5 and open-shut device 2, these two kinds of modes can guarantee that medium can not flow through between valve seat 5 and open-shut device 2.
One side of guide shell 6 contacts cooperation with valve body 2, and is provided with seal ring between guide shell 6 and valve body 1, makes can form sealing between guide shell 6 and valve body 1, and medium can not enter from flowing through between guide shell 6 and valve body 1 valve pocket.An other side of guide shell 6 contacts cooperation with the concave spherical surface of open-shut device 2, according to ambient condition and actual user demand, thereby can inlay seal ring at guide shell 6 and realize sealing between them, thereby also can make to realize metal to metal seal between them by improving the machining accuracy of guide shell 6 and open-shut device 2, these two kinds of modes can guarantee that medium can not enter from flowing through between guide shell 6 and open-shut device 2 valve pocket.
The protruding sphere of open-shut device 2 and concave spherical surface are eccentric structure, and their centre of sphere does not overlap.This eccentric structure makes open-shut device 2 thickness everywhere incomplete same.Because inner side and the valve seat 5 of open-shut device 2 is always close contact, outside and the guide shell 6 of open-shut device 2 are always close contact simultaneously, and valve seat 5 and guide shell 6 position be spatially subject to the restriction of the parts such as valve body 1, this makes the diverse location of open-shut device 2 and the pressure between valve seat 5 and guide shell 6 is incomplete same.By regulating the relative position of protruding sphere and concave sphere's center and their radius, can regulate open-shut device 2 thickness everywhere with regulating valve seal pressure between open-shut device 2 and valve seat 5 when the different valve position, this makes valve can realize forced seal when some valve position.Typically, the sealing of valve in complete shut-down position is vital for valve, therefore, can be by open-shut device 2 less in the Thickness Design of standard-sized sheet position, and larger in the Thickness Design of complete shut-down position, this can make the extruding force between open-shut device 2 and valve seat 5 and guide shell 6 less when standard-sized sheet position, and larger when complete shut-down position.When complete shut-down position, between open-shut device 2 and valve seat 5 and guide shell 6, larger extruding force can improve the seal pressure of valve when complete shut-down position, for valve provides forced seal power, guaranteed the sealability of valve in complete shut-down position, realized the forced seal of complete shut-down position, meanwhile, the seal pressure of other valve position is less, has reduced open-shut device 2 and the wearing and tearing of valve seat 5 sealing surfaces in switching process.Open-shut device eccentric structure described above as shown in Figure 4.
In addition, according to the order shown in Fig. 1 and direction, guide shell 6 is inserted in open-shut device 2, and be adjacent to valve seat 5, then by valve seat dunnage 7 and guide shell dunnage 8, guide shell 6, open-shut device 2 and valve seat 5 are clipped in the middle, finally valve seat is supported to 7 plates and guide shell dunnage 8 and be fixed on valve gap 3, form module 15 as shown in Figure 7.Whole module 15 can integral body be extracted out from valve body 1, and this makes the easily damaged parts of this valve realize modularization replacing.As shown in Figure 7.
Disclosed all features in this specification, or the step in disclosed all methods or process, except the special type and/or step of mutual repulsion, all can combine by any way.
Disclosed arbitrary feature in this specification (comprising any accessory claim, summary and accompanying drawing), unless narration especially all can be replaced by other equivalence or the alternative features with similar object.That is,, unless narration especially, each feature is an example in a series of equivalences or similar characteristics.
The utility model is not limited to aforesaid embodiment.The utility model expands to any new feature or any new combination disclosing in this manual, and the arbitrary new method disclosing or step or any new combination of process.
Claims (3)
1. the forced seal valve of an angle stroke operation, the forced seal valve of a kind of modular design angle stroke operation, its critical piece comprises valve body (1), open-shut device (2), valve gap (3), valve rod (4), valve seat (5), guide shell (6), valve seat dunnage (7), guide shell dunnage (8), operating device (9), blowdown valve (10), it is characterized in that: open-shut device (2) is arranged between valve seat (5) and guide shell (6), the inner side of open-shut device (2) is concave spherical surface structure, outside is protruding spheric structure, and concave spherical surface and protruding sphere are eccentric structure, the centre of sphere that is them does not overlap.
2. the forced seal valve that angle according to claim 1 stroke operates, open-shut device wherein (2) thickness everywhere can regulate by the relative position of its protruding sphere and concave sphere's center and their radius, conventionally can be by open-shut device (2) less in the Thickness Design in standard-sized sheet position, and larger in the Thickness Design of complete shut-down position, make the extruding force between open-shut device (2) and valve seat (5) and guide shell (6) less when standard-sized sheet position, and it is larger when complete shut-down position, during complete shut-down position, larger extruding force can improve the seal pressure of valve when complete shut-down position, for valve provides forced seal power.
3. the forced seal valve that angle according to claim 1 stroke operates, guide shell wherein (6) is arranged in valve body (1), one side contacts with valve body (1) to coordinate and forms sealing, and an other side contacts with the concave spherical surface of open-shut device (2) to coordinate and forms sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320230684.5U CN203500543U (en) | 2013-05-02 | 2013-05-02 | Forced sealing valve operated via angular travel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320230684.5U CN203500543U (en) | 2013-05-02 | 2013-05-02 | Forced sealing valve operated via angular travel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203500543U true CN203500543U (en) | 2014-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320230684.5U Expired - Lifetime CN203500543U (en) | 2013-05-02 | 2013-05-02 | Forced sealing valve operated via angular travel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203500543U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132157A (en) * | 2013-05-02 | 2014-11-05 | 刘海亮 | Forced seal valve with modular design and angular travel operation |
| CN105370909A (en) * | 2014-09-02 | 2016-03-02 | 刘海亮 | Forced seal valve capable of conducting eccentric double-spherical-angle stroke operation |
-
2013
- 2013-05-02 CN CN201320230684.5U patent/CN203500543U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132157A (en) * | 2013-05-02 | 2014-11-05 | 刘海亮 | Forced seal valve with modular design and angular travel operation |
| CN105370909A (en) * | 2014-09-02 | 2016-03-02 | 刘海亮 | Forced seal valve capable of conducting eccentric double-spherical-angle stroke operation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: ZHANG ZAIXIAO WANG LEI ZHAO SHOUJUN Effective date: 20150129 Owner name: JIANGSU RUILANGBO MACHINERY EQUIPMENT CO., LTD. Free format text: FORMER OWNER: LIU HAILIANG Effective date: 20150129 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100076 DAXING, BEIJING TO: 210000 NANJING, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150129 Address after: 210000, No. 12 Tan Avenue, Gaochun Economic Development Zone, Nanjing, Jiangsu Patentee after: JIANGSU RELIABLE MACHINERY EQUIPMENT Co.,Ltd. Address before: 100076 No. 2 North Yongchang Road, Beijing economic and Technological Development Zone, Beijing Patentee before: Liu Hailiang Patentee before: Zhang Zaixiao Patentee before: Wang Lei Patentee before: Zhao Shoujun |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hanzhong (Nanjing) Technology Co.,Ltd. Assignor: JIANGSU RELIABLE MACHINERY EQUIPMENT Co.,Ltd. Contract record no.: X2020980005319 Denomination of utility model: Angle stroke operated forced seal valve Granted publication date: 20140326 License type: Exclusive License Record date: 20200825 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201106 Address after: L3039, 3 / F, Chuangye building, No. 1009, Tianyuan East Road, Jiangning District, Nanjing, Jiangsu Province Patentee after: Hanzhong (Nanjing) Technology Co.,Ltd. Address before: 210000, No. 12 Tan Avenue, Gaochun Economic Development Zone, Nanjing, Jiangsu Patentee before: JIANGSU RELIABLE MACHINERY EQUIPMENT Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140326 |
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| CX01 | Expiry of patent term |