CN201739624U - Sealing mechanism on ball valve stem - Google Patents
Sealing mechanism on ball valve stem Download PDFInfo
- Publication number
- CN201739624U CN201739624U CN2010202493458U CN201020249345U CN201739624U CN 201739624 U CN201739624 U CN 201739624U CN 2010202493458 U CN2010202493458 U CN 2010202493458U CN 201020249345 U CN201020249345 U CN 201020249345U CN 201739624 U CN201739624 U CN 201739624U
- Authority
- CN
- China
- Prior art keywords
- sealing mechanism
- ball valve
- valve stem
- valve rod
- groove
- 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 relates to a sealing mechanism on a ball valve stem, belonging to the sealing mechanism technological field. The sealing mechanism on the ball valve stem is an X-shaped sealing ring (7), which is provided at the upper part with an up recess (8), at the lower part with a down recess (9), at the left side with a left recess (10) and at the right side with a right recess (11). The sealing mechanism on the ball valve stem of the utility model has the advantages of reasonable structure design, time-saving labor-saving opening and closing operation, convenient operation, good sealing performance and long service lifetime.
Description
Technical field
The utility model relates to sealing mechanism on a kind of ball valve valve rod, belongs to the sealing mechanism technical field.
Background technique
At present, knownly be used on the ball valve sealing and mostly be the O RunddichtringO, put into the O RunddichtringO in the circular groove of both on axle, having processed, then it is fitted on the cover parts in the machining hole, form the sealing in axle and hole, magnitude of interference when the sealability of this structure depends on design, the i.e. machining accuracy of the decrement of O RunddichtringO and hole, axle part.Magnitude of interference is too little, poor sealing performance, and magnitude of interference is big, squeezes bad O RunddichtringO during assembling easily, makes seal failure.The assembling simple in structure of this sealing configuration is easy.But if the machining accuracy in axle, hole is not high or when being difficult to improve machining accuracy, remove that basic sealability is difficult to guarantee or when being difficult to further improve precision, its main shortcoming is sealing material, this sealing configuration is still very suitable in gas, fluid cylinder, uses to seal on the cast stone ball valve in grey pulp water just to be difficult to guarantee its sealability.Reason is that the switch of ball valve belongs to the part rotary type, often needs 90 ° of switches.Its deficiency since between valve rod and the valve body for certain interval is arranged movingly, valve medium when switch acts on the huge thrust of spheroid, must make valve rod produce certain inclination, the power of valve rod lays particular stress on one side, beyond is with regard to serious wear, and contains a large amount of suspended matter erosions in the grey pulp water and seal ring.Cause that O RunddichtringO Life cycle short easy leakage phenomenon in valve rod position often takes place, site environment is also caused certain influence, waste a large amount of human and material resources.Simultaneously also cause pipeline normally to move.
Summary of the invention
The purpose of this utility model is to solve the deficiency that above-mentioned prior art exists, a kind of reasonable in design is provided, make in the assembling that is sealed in axle, hole on the ball valve valve rod, can adjust by decrement, the machining accuracy that need not significantly improve axle, hole just can guarantee sealing mechanism on the ball valve valve rod of effective seal.
The utility model is achieved through the following technical solutions:
Sealing mechanism on the ball valve valve rod, special way be to be the seal ring 7 that is the X type, and the top of X RunddichtringO 7 is provided with upper groove 8, and the below is provided with low groove 9, and the left side is provided with left groove 10, and the right side is provided with right groove 11.
Sealing mechanism on the utility model ball valve valve rod, reasonable in design, have open and close time saving and energy saving, easy to operate, the advantage of good seal performance and long service life.
Description of drawings
Fig. 1: the structural representation of sealing mechanism on the utility model ball valve valve rod;
Fig. 2: the structure sectional view of seal ring 7.
Among the figure: 1, valve body, 2, flow channel, 3, discharge route, 4, spheroid, 5, upper valve rod, 6, lower valve rod, 7, seal ring, 8, upper groove, 9, low groove, 10, left groove, 11, right groove.
Embodiment
Provide embodiment of the present utility model below with reference to accompanying drawing, be used for formation of the present utility model is described further.
Sealing mechanism on the ball valve valve rod of present embodiment, be applied to valve body 1, the two ends of valve body 1 are respectively equipped with flow channel 2, discharge route 3, spheroid 4 is installed in the valve body 1, spheroid 4 is connected with upper valve rod 5, lower valve rod 6, has upper valve rod 5 in the valve body 1, sealing mechanism forms sealing on valve body 1 stuffing hole, upper valve rod 5 and the ball valve valve rod, sealing mechanism on the ball valve valve rod is the seal ring 7 that is the X type, and the top of X RunddichtringO 7 is provided with upper groove 8, below and is provided with that low groove 9, left side are provided with left groove 10, the right side is provided with right groove 11.
During use, top add the material gland, the bottom add backing strap respectively to upper groove 8, low groove 9 application of forces, seal ring 7 is to both sides skew, extruding, left groove 10, right groove 11 are close to upper valve rod 5 and axis hole, it is effective to reach better seal.
Claims (1)
1. sealing mechanism on the ball valve valve rod is characterized in that the seal ring (7) for being the X type, and the top of X RunddichtringO (7) is provided with upper groove (8), and the below is provided with low groove (9), and the left side is provided with left groove (10), and the right side is provided with right groove (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202493458U CN201739624U (en) | 2010-06-26 | 2010-06-26 | Sealing mechanism on ball valve stem |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202493458U CN201739624U (en) | 2010-06-26 | 2010-06-26 | Sealing mechanism on ball valve stem |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201739624U true CN201739624U (en) | 2011-02-09 |
Family
ID=43554899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202493458U Expired - Fee Related CN201739624U (en) | 2010-06-26 | 2010-06-26 | Sealing mechanism on ball valve stem |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201739624U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221832A (en) * | 2015-11-12 | 2016-01-06 | 无锡隆盛科技股份有限公司 | EGR valve valve rod leak-proof structure |
| CN105465400A (en) * | 2015-12-25 | 2016-04-06 | 江苏信息职业技术学院 | Efficient sealing ball valve |
| CN106895172A (en) * | 2015-12-18 | 2017-06-27 | 纽威阀门有限公司 | New pressure transmitting type ball valve |
-
2010
- 2010-06-26 CN CN2010202493458U patent/CN201739624U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221832A (en) * | 2015-11-12 | 2016-01-06 | 无锡隆盛科技股份有限公司 | EGR valve valve rod leak-proof structure |
| CN106895172A (en) * | 2015-12-18 | 2017-06-27 | 纽威阀门有限公司 | New pressure transmitting type ball valve |
| CN105465400A (en) * | 2015-12-25 | 2016-04-06 | 江苏信息职业技术学院 | Efficient sealing ball valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: PENGLAI SHUICHENG CAST BASALT PIPE AND VALVE CO., Free format text: FORMER OWNER: QU SHUZHEN Effective date: 20130327 Free format text: FORMER OWNER: JIAO YONGCHEN Effective date: 20130327 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130327 Address after: 265608, 6, Zhenxing Road East, Liu Gou Town, Yantai, Shandong, Penglai Patentee after: Penglai Shuicheng Cast Basalt Pipe & Valve Co., Ltd. Address before: 265608, 6, Zhenxing Road East, Liu Gou Town, Yantai, Shandong, Penglai Patentee before: Qu Shuqin Patentee before: Jiao Yongchen |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110209 Termination date: 20150626 |
|
| EXPY | Termination of patent right or utility model |