CN207814472U - A kind of sealing structure and sleeve adjusting valve of sleeve adjusting valve - Google Patents
A kind of sealing structure and sleeve adjusting valve of sleeve adjusting valve Download PDFInfo
- Publication number
- CN207814472U CN207814472U CN201820088335.7U CN201820088335U CN207814472U CN 207814472 U CN207814472 U CN 207814472U CN 201820088335 U CN201820088335 U CN 201820088335U CN 207814472 U CN207814472 U CN 207814472U
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- China
- Prior art keywords
- valve
- sleeve
- sealing ring
- valve seat
- sheath
- 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
A kind of sealing structure and sleeve adjusting valve of sleeve adjusting valve.It includes a kind of sealing structure of sleeve adjusting valve and a kind of sleeve adjusting valve.The sealing structure of the sleeve adjusting valve is by valve seat, sleeve spool valve is constituted with sealing ring, the sleeve spool valve is set to above the valve seat, the sealing ring is set to by sheath between the sleeve spool valve and the valve seat, the sealing ring bottom is fluted, there is boss on the valve seat, the groove cooperatively forms sealing with the boss, the sleeve adjusting valve includes valve body, sealing ring, valve rod, valve deck, the valve inner is equipped with valve seat, the valve seat is equipped with sleeve, compensating cylinder is equipped with above the sleeve, the valve deck is located above the compensating cylinder and is fixed with the valve body, the valve rod is fixedly connected across the valve deck with the sleeve spool valve in the sleeve, and the sleeve adjusting valve has above-mentioned sealing structure, the sealing structure has outstanding sealing performance and difficulty of processing low.
Description
Technical field
The utility model is related to sleeve adjusting valve, more particularly to the sealing structure and sleeve of a kind of sleeve adjusting valve are adjusted
Valve.
Background technology
Traditional regulating valve includes valve body, valve core head, valve core rod, valve seat etc., which has inner cavity, and the inner cavity is by valve
Seat, sleeve, compensating cylinder and sleeve spool valve are separated to form a upper runner and a lower flow channel, are separating place, sleeve spool valve
It is oriented to by sleeve and compensating cylinder and is flexibly connected with valve seat, passed through above and below sleeve spool valve in valve inner action using valve core rod
It moves to change shutting off face size and controlling the flow and pressure of fluid for sleeve window；Or sleeve spool valve is in valve body
Being turned on and off for valve is realized in movement in runner.Sleeve spool valve is equipped with balance hole, and medium is by height into lower, it is therefore desirable to
Upper and lower two seals are set to ensure that valve low leakage, this sealing structure must assure that the essence of the processing dimension between two sealing surfaces
It really can be only achieved good sealing effect.So this seal form makes product leakage amount increase, processing is brought prodigious tired
It is difficult also to increase production cost simultaneously.
Utility model content
In order to solve the problems in background technology, the utility model provides the close of a kind of sleeve adjusting valve and sleeve adjusting valve
Seal structure.
Technical solution adopted by the utility model to solve its technical problems is：A kind of sealing structure of sleeve adjusting valve,
Including valve seat, sleeve spool valve, sealing ring, above the valve seat, the sealing ring is set to the sleeve spool valve by sheath
Between the sleeve spool valve and the valve seat, the sealing ring bottom is fluted, there is boss, the groove and institute on the valve seat
Boss is stated to be adapted.
The sheath is on the inside of the sleeve spool valve, and the sheath top is fixedly connected with the sleeve spool valve inner wall, institute
It is recessed outward to state sleeve spool valve bottom interior wall, constitutes peripheral groove with the sheath bottom, the sleeve spool valve is pressed in the valve seat
On, the valve seat forms circumference cavity with the peripheral groove, and the sealing ring is located in the cavity.
The sealing ring outer upper circumference is chamfering.
The sealing ring inner top side protrusion, the sheath exterior bottom protrusion, with sealing ring inner top side protrusion
Limit is constituted to fix.
The sheath is threadedly coupled with the sleeve spool valve.
A kind of sleeve adjusting valve with the sealing structure, including valve body, sealing ring, valve rod, valve deck, in the valve body
Portion is equipped with valve seat, and the valve seat is equipped with sleeve, is equipped with compensating cylinder above the sleeve, the valve deck is located on the compensating cylinder
Valve body described in Fang Bingyu is fixed, and the valve rod is fixedly connected across the valve deck with the sleeve spool valve in the sleeve,
It is characterized in that：The sealing ring is set to by sheath between the sleeve spool valve and the valve seat, and the sealing ring bottom has recessed
Slot has boss, the groove to be adapted with the boss on the valve seat.
There is balanced seal ring between the compensating cylinder and the sleeve.
The endoporus of the balanced seal ring and formation crescent circular arc, the peak and set of the crescent circular arc outside outer circle
Cylinder spool outer round surface contact, the endoporus is interior to be equipped with sealing ring skeleton, and the sealing ring skeleton struts the endoporus of sealing ring, makes
Its outer circle is contacted with sleeve spool valve outer round surface line.
The utility model has the beneficial effects that：Sealing structure is simple, and difficulty of processing is low, has better seal performance, tool
There are anti-overvoltage protection effect, service life long.
Description of the drawings：
Fig. 1 is the structural schematic diagram of the utility model embodiment sleeve adjusting valve.
Fig. 2 is the structural schematic diagram of the utility model embodiment sealing structure.
Fig. 3 is the structural schematic diagram of balanced seal ring at the I of Fig. 1.
Specific implementation mode
The utility model embodiment is described further below in conjunction with the accompanying drawings：
In the utility model embodiment, a kind of sealing structure and sleeve adjusting valve of sleeve adjusting valve, including a kind of sleeve
The sealing structure of regulating valve and a kind of sleeve adjusting valve.
The sealing structure of the sleeve adjusting valve includes valve seat 3, sleeve spool valve 7, sealing ring 4, and the sleeve spool valve 7 is set to
3 top of the valve seat, the sealing ring 4 are set to by sheath 5 between the sleeve spool valve 7 and the valve seat 3.The sheath 5
In 7 inside of the sleeve spool valve, 5 top of the sheath is fixedly connected with 7 inner wall of the sleeve spool valve, 7 bottom of the sleeve spool valve
Portion's inner wall is recessed outward, constitutes peripheral groove with 5 bottom of the sheath, the sleeve spool valve 7 is pressed on the valve seat 3, the valve
Seat 3 forms circumference cavity with the peripheral groove, and the sealing ring 4 is located in the cavity.
4 bottom of the sealing ring is equipped with groove, and the valve seat 3 is equipped with boss, and the groove is adapted with the boss,
With outstanding sealing performance.
4 outer upper circumference of the sealing ring is chamfering, and 7 bottom of the sleeve spool valve is constituted with 5 bottom of the sheath
It is inclined-plane at the top of the circumferential groove, coordinates with the peripheral chamfer of the sealing ring 4, form anti-overvoltage protection, extend and use the longevity
Life.
The sheath 5 is screwed with the sleeve spool valve 7 and connect, the sealing ring 4 inner top side protrusion, the sheath
5 exterior bottoms have the ladder-like protrusion of second order, are limited with 4 fit inside of the sealing ring, and stabilized structure will not be displaced.
The sleeve adjusting valve includes valve body 1, sleeve 6, compensating cylinder 9, valve rod 11, valve deck 12, filler pressing sleeve 16, filler pressure
Plate 18, the valve inner are equipped with valve seat 3, and the valve seat 3 is equipped with sleeve 6, and 6 top of the sleeve is equipped with compensating cylinder 9, described
Valve deck 12 is located at 9 top of the compensating cylinder and is fixed with the valve body 1, and the valve rod 11 passes through the valve deck 12 and the sleeve
The sleeve spool valve 7 in 6 is fixedly connected, and the sleeve adjusting valve has the sealing structure of above-mentioned sleeve adjusting valve.
It is equipped with valve seat gasket 2 between the valve seat 3 and valve body 1, bonnet gasket is equipped between the valve deck 12 and valve body 1
10, processing, the hold-down grid 18 and the filler pressing sleeve will be sealed between valve seat 3 and valve deck 12 and valve body 1 respectively
It is equipped with c-type dustband 17 between 16, ensures its sealing performance.
The hold-down grid 18 is fixed with the filler pressing sleeve 16 by stud 19 and nut 20.
Balanced seal ring 8, endoporus and the outer circle shape of the sealing ring 8 are equipped between the compensating cylinder 9 and the sleeve 6
At crescent circular arc 21, the peak of the crescent circular arc 21 is contacted with 7 outer round surface of sleeve spool valve, is equipped in the endoporus
Ring skeleton 22 is sealed, the sealing ring skeleton 22 struts the endoporus of sealing ring, makes its outer circle 21 and 7 outer circle table of the sleeve spool valve
Face contacts.The valve deck 12 is fixed by stud 13 and nut 14, and the transmission of the compensating cylinder 9 goes out from stud 13, nut 14
Active force compresses the sleeve 6, and the sealing ring 8 between the sleeve 6 and the compensating cylinder 9 is compacted, and sealing ring 8 is swollen to both sides
It is swollen, there is outstanding sealing performance, contact realization sealing with the sleeve spool valve 7 by the peak of crescent circular arc 21.
Every technical staff's notice：Although the utility model is described according to above-mentioned specific implementation mode, this
The invention thought of utility model is not limited to that utility model, any repacking with inventive concept will all be included in this specially
In sharp scope of patent protection.
Claims (8)
1. a kind of sealing structure of sleeve adjusting valve, including valve seat（3）, sealing ring（4）, sleeve spool valve（7）, the sleeve spool valve
（7）Set on the valve seat（3）Top, the sealing ring（4）Pass through sheath（5）Set on the sleeve spool valve（7）With the valve seat
（3）Between, it is characterised in that：The sealing ring（4）Bottom is fluted, the valve seat（3）On have a boss, the groove with it is described
Boss is adapted.
2. the sealing structure of sleeve adjusting valve according to claim 1, it is characterised in that：The sheath（5）In the set
Cylinder spool（7）Inside, the sheath（5）Top and the sleeve spool valve（7）Inner wall is fixedly connected, the sleeve spool valve（7）Bottom
Portion's inner wall is recessed outward, with the sheath（5）Bottom constitutes peripheral groove, the sleeve spool valve（7）It is pressed in the valve seat（3）On,
The valve seat（3）Circumference cavity, the sealing ring are formed with the peripheral groove（4）In the cavity.
3. the sealing structure of sleeve adjusting valve according to claim 1, it is characterised in that：The sealing ring（4）On outside
Portion's circumference is chamfering.
4. the sealing structure of sleeve adjusting valve according to claim 1, it is characterised in that：The sealing ring（4）On inside
End protrusion, the sheath（5）Exterior bottom protrusion, with the sealing ring（4）Inner top side protrusion constitutes limit cooperation.
5. the sealing structure of sleeve adjusting valve according to claim 1, it is characterised in that：The sheath（5）With the set
Cylinder spool（7）It is threadedly coupled.
6. a kind of sleeve adjusting valve with the sealing structure described in the claims 1,2,3,4 or 5 any one, including valve
Body（1）, sealing ring（4）, valve rod（11）, valve deck（12）, the valve inner is equipped with valve seat（3）, the valve seat（3）It is equipped with set
Cylinder（6）, the sleeve（6）Top is equipped with compensating cylinder（9）, the valve deck（12）Positioned at the compensating cylinder（9）Top and with it is described
Valve body（1）It is fixed, the valve rod（11）Across the valve deck（12）With the sleeve（6）The interior sleeve spool valve（7）It is fixed
Connection, it is characterised in that：The sealing ring（4）Pass through sheath（5）Set on the sleeve spool valve（7）With the valve seat（3）Between,
The sealing ring（4）Bottom is fluted, the valve seat（3）On there is boss, the groove to be adapted with the boss.
7. sleeve adjusting valve according to claim 6, it is characterised in that：The compensating cylinder（9）With the sleeve（6）Between
There is balanced seal ring（8）.
8. sleeve adjusting valve according to claim 7, it is characterised in that：The balanced seal ring（8）Endoporus and outer circle
Outer formation crescent circular arc（21）, the crescent circular arc（21）Peak and sleeve spool valve（7）Outer round surface contacts, described
Sealing ring skeleton is equipped in endoporus（22）, the sealing ring skeleton（22）The endoporus for strutting sealing ring makes its outer circle and telescoping valve
Core（7）Outer round surface line contacts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820088335.7U CN207814472U (en) | 2018-01-19 | 2018-01-19 | A kind of sealing structure and sleeve adjusting valve of sleeve adjusting valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820088335.7U CN207814472U (en) | 2018-01-19 | 2018-01-19 | A kind of sealing structure and sleeve adjusting valve of sleeve adjusting valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207814472U true CN207814472U (en) | 2018-09-04 |
Family
ID=63324083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820088335.7U Expired - Fee Related CN207814472U (en) | 2018-01-19 | 2018-01-19 | A kind of sealing structure and sleeve adjusting valve of sleeve adjusting valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207814472U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109373000A (en) * | 2019-01-02 | 2019-02-22 | 波普科技(唐山)有限公司 | Piston valve |
-
2018
- 2018-01-19 CN CN201820088335.7U patent/CN207814472U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109373000A (en) * | 2019-01-02 | 2019-02-22 | 波普科技(唐山)有限公司 | Piston valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 325000 Dongou Industrial Zone, Oubei Town, Yongjia, Wenzhou, Zhejiang Patentee after: Jinfeng Fluid Control Technology Co.,Ltd. Address before: 325000 East Ou Industrial Park, North Ou, Yongjia County, Wenzhou City, Zhejiang Province Patentee before: ZHEJIANG JINFENG AUTOMATION METER 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: 20180904 Termination date: 20220119 |