CN201090773Y - Secondary seal ball valve - Google Patents
Secondary seal ball valve Download PDFInfo
- Publication number
- CN201090773Y CN201090773Y CNU2007201127768U CN200720112776U CN201090773Y CN 201090773 Y CN201090773 Y CN 201090773Y CN U2007201127768 U CNU2007201127768 U CN U2007201127768U CN 200720112776 U CN200720112776 U CN 200720112776U CN 201090773 Y CN201090773 Y CN 201090773Y
- Authority
- CN
- China
- Prior art keywords
- valve
- valve seat
- secondary seal
- spheroid
- ball
- 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
Links
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- Taps Or Cocks (AREA)
- Details Of Valves (AREA)
Abstract
The utility model discloses a secondary seal ball valve which comprises a valve body, a ball body, a valve rod and a connecting body; an oil control device and a first valve base are arranged on the first end of the ball body; a first annular seal ring is arranged on the joint part of the first valve base and the ball body; a second valve base is arranged on the second end of the ball body; an oil storage chamber and the oil channel of the second valve base are arranged on the second valve base; the oil storage chamber is communicated with the oil channel of the second valve base; a second annular seal ring is arranged on the joint part of the second valve base and the second end of the ball body. The secondary seal ball valve is characterized by secondary seal and is applicable to fluid channels.
Description
Technical field
The utility model relates to a kind of ball valve, specifically a kind of secondary seal ball-valve.
Background technique
Existing ball valve, what adopt usually is the structure of single sealing, and this structure is in frequent using process, and when the appearance sealing was malfunctioning, ball valve was with regard to global failure.
Summary of the invention
The utility model purpose is to develop a kind of secondary seal ball-valve.
To be solved in the utility model is that the problem of ball valve global failure sealing appearring when malfunctioning, in the ball valve of existing single sealing configuration.
The technical solution of the utility model comprises: valve body, spheroid, valve rod and connecting body, be located at the oil-controlling device and first valve seat of spheroid first end, the junction point of first valve seat and spheroid is provided with first O-ring seal, second end of spheroid is provided with second valve seat, second valve seat is provided with accumulator, the second valve seat oil duct, accumulator communicates with the second valve seat oil duct, and the junction point of second valve seat and spheroid second end is provided with second O-ring seal.
The utlity model has the advantage of secondary seal,, also have the sealing of second road to guarantee when first road seals when malfunctioning.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation after the utility model accumulator peripheral part amplifies.
Embodiment
The utility model is described in further detail for following embodiment and accompanying drawing.
As shown in the figure, the utility model comprises valve body 2, spheroid 6, valve rod 11 and connecting body 3, is located at the oil-controlling device of spheroid 6 first ends and the junction point of first valve seat, 7, the first valve seats 7 and spheroid 6 and is provided with first O-ring seal 12.The junction point that second end of spheroid 6 is provided with second valve seat, 5, the second valve seats 5 and valve body 2 is provided with accumulator 4, the second valve seat oil duct 14, and accumulator 4 communicates with the second valve seat oil duct 14.Second valve seat 5 is provided with second O-ring seal 13 with the junction point of spheroid 6 second ends.Oil-controlling device comprises push rod 10, one-way valve 9, be located at the first valve seat oil duct 8 on first valve seat 7, on the end top of push rod 10 and the valve rod 11, push rod 10 is by the conducting of the one-way valve 9 controls first valve seat oil duct 8.Be provided with inner chamber 1 in the valve body 2, inner chamber 1 communicates with accumulator 4.
Claims (4)
1. secondary seal ball-valve, comprise valve body, spheroid, valve rod and connecting body, be located at the oil-controlling device and first valve seat of spheroid first end, the junction point of first valve seat and spheroid is provided with first O-ring seal, second end that it is characterized in that spheroid is provided with second valve seat, second valve seat is provided with accumulator, the second valve seat oil duct, and accumulator communicates with the second valve seat oil duct, and the junction point of second valve seat and spheroid second end is provided with second O-ring seal.
2. secondary seal ball-valve according to claim 1 is characterized in that accumulator is located at the junction point of second valve seat and valve body.
3. secondary seal ball-valve according to claim 1 is characterized in that oil-controlling device comprises push rod, one-way valve, is located at the first valve seat oil duct on first valve seat, on an end of push rod top and the valve rod, and push rod is controlled the conducting of the first valve seat oil duct by one-way valve.
4. secondary seal ball-valve according to claim 1 is characterized in that being provided with in the valve body inner chamber, and inner chamber communicates with accumulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201127768U CN201090773Y (en) | 2007-08-03 | 2007-08-03 | Secondary seal ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201127768U CN201090773Y (en) | 2007-08-03 | 2007-08-03 | Secondary seal ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201090773Y true CN201090773Y (en) | 2008-07-23 |
Family
ID=39862533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201127768U Expired - Fee Related CN201090773Y (en) | 2007-08-03 | 2007-08-03 | Secondary seal ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201090773Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009018751A1 (en) * | 2007-08-03 | 2009-02-12 | Jinquan Qiu | A secondary seal ball valve |
| CN102242812A (en) * | 2010-05-14 | 2011-11-16 | 蔡毅 | Upper-mounting-type hydraulic ball valve |
| CN103234057A (en) * | 2013-04-04 | 2013-08-07 | 邱金全 | Novel high-pressure micro-torque ball valve |
| CN106763866A (en) * | 2017-01-10 | 2017-05-31 | 江苏神通阀门股份有限公司 | A kind of micro- torque ball valve with check valve |
-
2007
- 2007-08-03 CN CNU2007201127768U patent/CN201090773Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009018751A1 (en) * | 2007-08-03 | 2009-02-12 | Jinquan Qiu | A secondary seal ball valve |
| CN102242812A (en) * | 2010-05-14 | 2011-11-16 | 蔡毅 | Upper-mounting-type hydraulic ball valve |
| CN102242812B (en) * | 2010-05-14 | 2014-09-24 | 蔡毅 | Upper-mounting-type hydraulic ball valve |
| CN103234057A (en) * | 2013-04-04 | 2013-08-07 | 邱金全 | Novel high-pressure micro-torque ball valve |
| WO2014161207A1 (en) * | 2013-04-04 | 2014-10-09 | Qiu Jinquan | New high-pressure micro-torque ball valve |
| CN103234057B (en) * | 2013-04-04 | 2015-09-16 | 邱金全 | A kind of Novel high-pressure micro-torque ball valve |
| CN106763866A (en) * | 2017-01-10 | 2017-05-31 | 江苏神通阀门股份有限公司 | A kind of micro- torque ball valve with check valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080723 |