CN206017802U - A kind of regulating valve of high sealing - Google Patents
A kind of regulating valve of high sealing Download PDFInfo
- Publication number
- CN206017802U CN206017802U CN201621039154.2U CN201621039154U CN206017802U CN 206017802 U CN206017802 U CN 206017802U CN 201621039154 U CN201621039154 U CN 201621039154U CN 206017802 U CN206017802 U CN 206017802U
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- CN
- China
- Prior art keywords
- valve
- valve seat
- annular
- high sealing
- pressure cage
- 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 proposes a kind of regulating valve of high sealing, including valve body, valve rod and valve element, extending in the valve body, the annular convex shoulder for coordinating is sealed with valve element side, the regulating valve also includes valve seat and pressure cage, the valve seat is in a ring and adaptation is positioned on annular convex shoulder, the inner side end of the valve seat is coordinated with the side sealing of valve element, is placed with sealing ring between the valve seat and annular convex shoulder；The cylindrical structure of the pressure cage and it is located above valve seat, the upside of the pressure cage contacts with valve seal and lower surface is pressed on valve seat and sealing ring is contacted with annular convex shoulder squeezed tight, extend the circle ring disk contacted with valve rod adaptation on inwall on the upside of the pressure cage along its circumferential direction towards valve rod, the circle ring disk is provided with the opening of some its axial ends of insertion, and the side wall of the pressure cage is provided with the passage passed through for medium.This utility model provides a kind of regulating valve of the more preferable high sealing of sealing effectiveness between valve seat and valve element, valve rod and valve body.
Description
Technical field
This utility model is related to a kind of valve, more particularly to a kind of regulating valve of high sealing.
Background technology
Valve is the control unit in fluid delivery system, including ball valve, regulating valve, gate valve and butterfly valve etc..Wherein, adjust
Valve belongs to forced seal formula valve, is a kind of conventional block valve, is mainly used to the medium that connects or block in pipeline, extensively uses
In industries such as oil, natural gas, chemical industry, its functional reliability is unquestionable.Now with the development of chemical industry, various advanced
System equipment be widely used, the regulating valve application used by chemical industry more and more, particularly opening speed is fast
In the more and more of the high regulating valve application of, open frequency.But existing regulating valve lifts valve element by valve rod to realize valve opening and closing,
In the process, wear and tear and valve element and valve body between valve rod and valve body larger, not only valve element service life is short, and easily sends out
The hidden danger that raw medium is revealed.
Utility model content
The problems referred to above are based on, this utility model purpose is to provide sealing between a kind of valve seat and valve element, valve rod and valve body
The regulating valve of the more preferable high sealing of effect.
For problem above, there is provided following technical scheme：A kind of regulating valve of high sealing, including valve body, valve rod and valve
Core, the valve rod are stretched in valve body, and are connected with the valve element in valve body, extend and match somebody with somebody with the sealing of valve element side in the valve body
The annular convex shoulder of conjunction, it is characterised in that：The regulating valve also includes valve seat and pressure cage, and the valve seat is in a ring and adaptation is positioned over
On annular convex shoulder, the inner side end of the valve seat is coordinated with the side sealing of valve element, is placed between the valve seat and annular convex shoulder
There is sealing ring；The cylindrical structure of the pressure cage and be located above valve seat, the upside of the pressure cage contact with valve seal and under
End face is pressed on valve seat makes sealing ring contact with annular convex shoulder squeezed tight, along its circumference side on the inwall on the upside of the pressure cage
The circle ring disk for contacting is adapted to valve rod to extending towards valve rod, and the circle ring disk is provided with the circulation of some its axial ends of insertion
Hole, the side wall of the pressure cage are provided with the passage passed through for medium.
This utility model is further arranged to：The valve seat is provided with annular away from the downside axial end of valve element side and lacks
Mouthful, the sealing ring is placed between annular breach and ladder mouth, and the thickness of the sealing ring is more than the depth of ladder mouth.
This utility model is further arranged to：The valve seat is provided with annular away from the upside axial end of valve element side
Breach, the breach are adapted to face contact with the downside end face of pressure cage.
This utility model is further arranged to：The setting symmetrical above and below of annular breach and breach on the valve seat and shape phase
With the valve seat is two-way use valve seat up and down.
This utility model is further arranged to：The annular convex shoulder is provided with annular near the upside axial end of valve element
Ladder mouth, the valve seat adaptation are positioned on ladder mouth.
This utility model is further arranged to：Connecting rod, the lower end of the valve rod and connecting rod is provided with above the valve element
Mutually nested, pass through two differing heights and be mutually perpendicular to fix through both straight pins to connect between the connecting rod and valve rod
Connect.
This utility model is further arranged to：The inner side end of the circle ring disk is contacted with connecting rod adaptation.
This utility model is further arranged to：Annular gasket is provided between the upside axial end and valve body of the pressure cage.
This utility model is further arranged to：O-ring is provided between the upside circumferential end faces of the pressure cage and valve body.
This utility model is further arranged to：The passage is provided with several.
The beneficial effects of the utility model：This utility model provides a kind of new regulating valve sealing structure, first, removes
Sealing on valve body between annular convex shoulder and valve element, while the valve seat of annular on the ladder mouth on annular convex shoulder, is increased,
In sealing contact between valve seat and valve element, sealing ring is provided between valve seat and ladder mouth, has been provided with valve seat by crimping on the upside of valve seat
Tactile pressure cage, presses the upside of cage to contact with valve seal, strengthens between valve seat and valve element and ladder mouth on the downside of the pressure cage
Sealing effectiveness, while playing positioning to valve seat, and can improve the machining accuracy of valve seat, improve its regulation performance.Meanwhile, press cage
The circle ring disk that top is provided with opening and is contacted with connecting rod adaptation, not only playing positioning action to connecting rod makes structure more
Stable, and the medium in valve body may pass through the opening punching press certain to the airtight and watertight padding applying between top valve body and valve rod
Power, effectively reduces the concentric leakage rate of valve.Additionally, the valve seat is two-way use valve seat symmetrical up and down, because valve element
Side is taper surface, and therefore the inner circumferential end face on the upside of valve seat unavoidably can be scraped by impurity during life-time service
Wound is worn and torn, and now can install after valve seat upper and lower end face is exchanged and be continuing with, increase significantly the service life of valve seat.
Description of the drawings
Fig. 1 is the cross-sectional view of regulating valve in this utility model embodiment；
Fig. 2 is the cross-sectional view for pressing cage in this utility model embodiment；
Fig. 3 is the half-sectional structural representation for pressing cage line B-B along Fig. 2 in this utility model；
Fig. 4 is the mplifying structure schematic diagram in this utility model Fig. 1 at A；
Fig. 5 is the cross-sectional view of valve seat in this utility model embodiment；
Fig. 6 is the cross-sectional view of junction between connecting rod and valve rod in this utility model embodiment.
Illustrate in figure：1- valve bodies；11- annular convex shoulders；111- ladder mouths；2- valve rods；3- valve elements；4- valve seats；41- annulars lack
Mouthful；42- breach；5- presses cage；51- circle ring disks；511- openings；52- passages；53- annular gaskets；54-O type circles；6- sealing rings；
7- connecting rods；71- pin holes；
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is used for this utility model to be described, but is not limited to scope of the present utility model.
As shown in Figure 1 to Figure 3, a kind of regulating valve of high sealing, including valve body 1, valve rod 2 and valve element 3, the valve rod 2 is stretched
Enter in valve body 1, and be connected with the valve element 3 in valve body 1, extend in the valve body 1 and the annular for coordinating is sealed with 3 side of valve element
Convex shoulder 11, the regulating valve also include valve seat 4 and pressure cage 5, and the valve seat 4 is in a ring and adaptation is positioned on annular convex shoulder 11,
The inner side end of the valve seat 4 is coordinated with the side sealing of valve element 3, is placed with sealing between the valve seat 4 and annular convex shoulder 11
Circle 6；The pressure 5 cylindrical structure of cage and it is located above valve seat 4, upside and the valve body 1 of the pressure cage 5 be in sealing contact and lower end
Face is pressed on valve seat 4 makes sealing ring 6 contact with 11 squeezed tight of annular convex shoulder, as shown in Figures 2 and 3, on the upside of the pressure cage 5
Inwall on extend and the circle ring disk 51 that contacts of adaptation of valve rod 2 towards valve rod 2 along its circumferential direction, the circle ring disk 51 is provided with
The opening 511 of some its axial ends of insertion, the side wall of the pressure cage 5 are provided with the passage 52 passed through for medium.
This utility model provides a kind of new regulating valve sealing structure, except annular convex shoulder 11 on valve body 1 and valve element 3
Between sealing, while increased on annular convex shoulder 11 annular valve seat 4, in sealing contact between valve seat 4 and valve element 3, valve seat 4
Sealing ring 6 is provided between annular convex shoulder 11, the pressure cage 5 with 4 face contact of valve seat is provided with the upside of valve seat 4, presses the upside of cage 5
In sealing contact with valve body 1, the downside of the pressure cage 5 strengthens sealing effectiveness between valve seat 4 and valve element 3 and annular convex shoulder 11, with
When play positioning to valve seat 4, and the machining accuracy of valve seat 4 can be improved, improve its regulation performance.Meanwhile, it is provided with above pressure cage 5
The circle ring disk 51 contacted with opening 511 and with the adaptation of valve rod 2, not only playing positioning action to valve rod 2 makes structure more stable,
And the airtight and watertight padding that the medium in valve body 1 is may pass through between 511 pairs of top valve bodies 1 of opening and valve rod 2 applies certain punching
Pressure, effectively reduces the concentric leakage rate of valve.
As shown in Figure 1, Figure 4 and Figure 5, the annular convex shoulder 11 is provided with annular near the upside axial end of valve element 3
Ladder mouth 111, the adaptation of the valve seat 4 are positioned on ladder mouth 111；Upside axial end of the valve seat 4 away from 3 side of valve element
The breach 42 of annular is provided with, the breach 42 is adapted to face contact with the downside end face of pressure cage 5；Ladder mouth 111 and pressure cage 5
Lower surface plays the role of positioning to valve seat 4 simultaneously so as to which structure is more stable.Downside axial direction of the valve seat 4 away from 3 side of valve element
End face is provided with annular breach 41, and the sealing ring 6 is placed between annular breach 41 and ladder mouth 111, the sealing ring 6
Depth of the thickness more than ladder mouth 111；Sealing ring 6 is placed between annular breach 41 and ladder mouth 111 and sealing ring 6 can be played
Positioning action.Annular breach 41 on the valve seat 4 setting symmetrical above and below with breach 42 and shape is identical, it is upper and lower to make valve seat 4
Two-way use valve seat.The valve seat 4 is two-way use valve seat symmetrical up and down, because 3 side of valve element is taper surface, therefore valve
Inner circumferential end face on the upside of seat 4 can unavoidably be subject to the scratch or abrasion of impurity during life-time service, now can be by
4 upper and lower end face of valve seat installs after exchanging and is continuing with, and increases significantly the service life of valve seat 4.
As shown in fig. 6, being provided with connecting rod 7 above the valve element 3, the lower end of the valve rod 2 is mutually nested with connecting rod 7,
Connecting rod 7 and 2 nested parts of valve rod are provided with differing heights and the pin hole 71 for being mutually perpendicular to through both, the connecting rod 7
Pass through two differing heights between valve rod 2 and be mutually perpendicular to be fixedly connected through both straight pins.Further, the annulus
The inner side end of disk 51 is contacted with the adaptation of connecting rod 7.By two differing heights and it is mutually perpendicular to solid through both straight pins
Surely connection valve rod 2 and connecting rod 7, can make the connection between connecting rod 7 and valve rod 2 more firm, reduce medium and both are rushed
Pressure, it is to avoid run-off the straight, affects the normal work of valve.
As shown in figure 1, being provided with annular gasket 53 between the upside axial end and valve body 1 of the pressure cage 5.The pressure cage 5
Upside circumferential end faces and valve body 1 between be provided with O-ring 54.If the passage 52 is provided with thousand.Annular gasket 53 and O-ring 54
Strengthen the sealing between pressure cage 5 and valve body 1.
The above is only preferred implementation of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from this utility model know-why, some improvement and modification, above-mentioned vacation can also be made
If these improvement and modification also should be regarded as protection domain of the present utility model.
Claims (10)
1. a kind of regulating valve of high sealing, including valve body, valve rod and valve element, the valve rod is stretched in valve body, and with valve body in
Valve element is connected, and extends and seal the annular convex shoulder for coordinating with valve element side in the valve body, it is characterised in that：The regulating valve
Also include valve seat and pressure cage, the valve seat is in a ring and adaptation is positioned on annular convex shoulder, the inner side end and valve of the valve seat
The side sealing of core coordinates, and is placed with sealing ring between the valve seat and annular convex shoulder；The cylindrical structure of the pressure cage and position
Above valve seat, the upside for pressing cage contacts with valve seal and lower surface is pressed on valve seat and makes sealing ring and annular convex shoulder
Squeezed tight is contacted, and extends the annulus contacted with valve rod adaptation on the inwall on the upside of the pressure cage along its circumferential direction towards valve rod
Disk, the circle ring disk are provided with the opening of some its axial ends of insertion, and the side wall of the pressure cage is provided with and passes through for medium
Passage.
2. the regulating valve of a kind of high sealing according to claim 1, it is characterised in that：The valve seat is away from valve element side
Upside axial end is provided with the breach of annular, and the breach is adapted to face contact with the downside end face of pressure cage.
3. the regulating valve of a kind of high sealing according to claim 2, it is characterised in that：The annular convex shoulder is near valve element
Upside axial end is provided with the ladder mouth of annular, and the valve seat adaptation is positioned on ladder mouth.
4. the regulating valve of a kind of high sealing according to claim 3, it is characterised in that：The valve seat is away from valve element side
Downside axial end is provided with annular breach, and the sealing ring is placed between annular breach and ladder mouth, the sealing ring
Depth of the thickness more than ladder mouth.
5. the regulating valve of a kind of high sealing according to claim 4, it is characterised in that：Annular breach on the valve seat and
Breach setting symmetrical above and below and shape is identical, the valve seat is two-way use valve seat up and down.
6. the regulating valve of a kind of high sealing according to claim 1, it is characterised in that：Connection is provided with above the valve element
Bar, the lower end of the valve rod are mutually nested with connecting rod, by two differing heights and mutual between the connecting rod and valve rod
Pass perpendicularly through both straight pins to be fixedly connected.
7. the regulating valve of a kind of high sealing according to claim 6, it is characterised in that：The inner side end of the circle ring disk with
Connecting rod adaptation contact.
8. the regulating valve of a kind of high sealing according to claim 1, it is characterised in that：The upside axial end of the pressure cage
Annular gasket is provided between valve body.
9. the regulating valve of a kind of high sealing according to claim 1, it is characterised in that：The upside circumferential end faces of the pressure cage
O-ring is provided between valve body.
10. the regulating valve of a kind of high sealing according to claim 1, it is characterised in that：The passage is provided with several.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621039154.2U CN206017802U (en) | 2016-08-29 | 2016-08-29 | A kind of regulating valve of high sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621039154.2U CN206017802U (en) | 2016-08-29 | 2016-08-29 | A kind of regulating valve of high sealing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206017802U true CN206017802U (en) | 2017-03-15 |
Family
ID=58258843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621039154.2U Expired - Fee Related CN206017802U (en) | 2016-08-29 | 2016-08-29 | A kind of regulating valve of high sealing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206017802U (en) |
-
2016
- 2016-08-29 CN CN201621039154.2U patent/CN206017802U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: The East Village Industrial Road in Yongjia County Oubei town Wenzhou city Zhejiang province 325000 No. 4 Patentee after: Zhejiang union automatic control valve Co., Ltd. Address before: The East Village Industrial Road in Yongjia County Oubei town Wenzhou city Zhejiang province 325000 No. 4 Patentee before: Yongjia auto control valve Co., Ltd. |
|
| 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: 20170315 Termination date: 20190829 |