CN204188342U - The pick-up unit of valve seal - Google Patents
The pick-up unit of valve seal Download PDFInfo
- Publication number
- CN204188342U CN204188342U CN201420595687.3U CN201420595687U CN204188342U CN 204188342 U CN204188342 U CN 204188342U CN 201420595687 U CN201420595687 U CN 201420595687U CN 204188342 U CN204188342 U CN 204188342U
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- China
- Prior art keywords
- valve
- pick
- face
- unit
- flange plate
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- 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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- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
This application provides a kind of pick-up unit of valve seal, described pick-up unit (2) comprises the water tank (27) for accommodating valve (1), and the liquid for being flooded by described valve (1); Described pick-up unit (2) also comprises air feeder (25), and this air feeder (25) is for conveying air in valve pocket (110).The detection method of the application is simple and practical.
Description
Technical field
The utility model relates to valve detection field, particularly relates to a kind of pick-up unit of valve seal.
Background technology
In valve manufacture industry, the valve products just produced, needs to carry out sealing property test.The valve that sealing property is qualified, is only up-to-standard product.
In prior art, carry out the method for sealing property test mainly to valve, whether valve regulated to closed condition, then can be born air pressure to a certain degree by the tensimeter test valve be under closed condition by staff.In practical application, staff can adopt aerating device to inflate the valve internal being in closed condition, then reads the numerical value that tensimeter shows.If after inflation terminates, the numerical value on tensimeter, is greater than default value within a certain period of time, then can determine the favorable sealing property of this valve, meet technological requirement.
But, the method of testing valve door sealing performance of the prior art, owing to being directly read the numerical value on tensimeter by the naked eyes of staff, there is error in the numerical value itself that naked eyes read, and time longer when operating, staff can produce fatigue, and error can increase further, and testing efficiency also can decline.
Utility model content
The purpose of this utility model is the error increase when staff is tired for the pick-up unit of existing valve seal, makes the problem that testing efficiency reduces, provides a kind of pick-up unit of valve seal.
The technical scheme in the invention for solving the technical problem is:
The utility model provides a kind of pick-up unit of valve seal, and valve comprises valve body, spool, valve rod; Described valve body has valve pocket, described valve body also offers the valve rod hole be communicated with this valve pocket; Described spool is arranged in described valve pocket, for conducting or block described valve pocket; Described valve rod is arranged in described valve rod hole rotationally, is connected with described spool; Described valve body has the first end face and the second end face; Described valve pocket has the first opening be opened on described first end face, and is opened in the second opening on described second end face; Described pick-up unit comprises and being removably installed in close the first flange plate of described first opening on described first end face, and is removably installed on described second end face to close the second flange plate of described second opening; Described first flange plate offers the first intercommunicating pore be communicated with described valve pocket; Described pick-up unit also comprises the water tank for accommodating described valve, and the liquid for being flooded by described valve; Described pick-up unit also comprises air feeder, and the air output terminal of this air feeder is connected with described first intercommunicating pore by tracheae, for carrying air in described valve pocket.
In the pick-up unit that the utility model is above-mentioned, described pick-up unit also comprises the first sealing gasket be arranged between described first flange plate and described first end face, and this first sealing gasket offers second intercommunicating pore corresponding with described first intercommunicating pore.
In the pick-up unit that the utility model is above-mentioned, described first sealing gasket is made up of rubber or silica gel.
In the pick-up unit that the utility model is above-mentioned, described pick-up unit also comprises the second sealing gasket be arranged between described second flange plate and described second end face.
In the pick-up unit that the utility model is above-mentioned, described second sealing gasket is made up of rubber or silica gel.
In the pick-up unit that the utility model is above-mentioned, described first end face offers the first connecting hole, described second end face offers the second connecting hole;
Described first flange plate offers three connecting hole corresponding with described first connecting hole; Described second flange plate offers four connecting hole corresponding with described second connecting hole.
The application is by passing into air in the valve to sealing, bubble whether is had to overflow the sealing of testing valve in portion outdoors by inspecting valve, also by the first sealing gasket and the second sealing gasket, valve is sealed completely, also the aperture of valve pocket is made to be in off state respectively by the rotation of spool or aperture is 50% place, to detect the sealing of spool and valve body and valve rod respectively.The detection method of the application is simple and practical.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the schematic diagram of the pick-up unit of the valve spool of valve sealing of the utility model embodiment;
The using state reference diagram that the valve body that Fig. 2 is the valve shown in Fig. 1, valve stem seal detect.
Embodiment
Below in conjunction with the accompanying drawings and the specific embodiments the utility model is described in detail.
Technical thought of the present utility model is that the valve by spool being in closed condition is placed in water, then inflates in valve, if when the seal spool of valve is bad, then at the poor sealing place of valve, has bubble and produces.If when the sealing of valve is good, then valve does not have bubble generation.Because bubble is the phenomenon that staff can directly observe, test error can not be produced because staff is tired.
The pick-up unit 2 of the seal spool of the valve of the utility model embodiment is shown with reference to Fig. 1, Fig. 1.
With reference to Fig. 1, valve 1 comprises valve body 11, spool 12, valve rod 13.
Particularly, valve body 11 has valve pocket 110, valve body 11 also offers the valve rod hole 111 be communicated with valve pocket 110.Spool 12 is arranged in valve pocket 110, for conducting or blocking-up valve pocket 110.
With reference to Fig. 1, valve rod 13 is arranged in valve rod hole 111 rotationally, is fixedly connected with spool 12, rotates for driving spool 12.Spool 12 offers via, and when valve rod 13 drives spool 12 to rotate, when the via on spool 12 is communicated with valve pocket 110, valve pocket 110 is in conducting state.When valve rod 13 drives spool 12 to rotate, when the via on spool 12 and valve pocket 110 are separated, valve pocket 110 is in blocking state.In the present embodiment, valve rod 13 is coaxially connected with the output shaft 141 of actuator 14, and when actuator 14 normally works, actuator 14 can be with ovable valve stem 13 to move by output shaft 141.
In the present embodiment, valve body 11 has the first end face 112 and the second end face 113.Valve pocket 110 has the first opening 114 be opened on the first end face 112, and is opened in the second opening 115 on the second end face 113.First end face 112 offers on the first connecting hole 1121, second end face 113 and offer the second connecting hole 1131.Here, the first connecting hole 1121 and the second connecting hole 1131 are at least one respectively.
Pick-up unit 2 comprises and being removably installed in close the first flange plate 21 of the first opening 114 on the first end face 112, and is removably installed on the second end face 113 to close the second flange plate 22 of the second opening 115.
Particularly, in the present embodiment, the first flange plate 21 offers three connecting hole 212 corresponding with the first connecting hole 1121; Second flange plate 22 offers four connecting hole 221 corresponding with the second connecting hole 1131.
First flange plate 21 and the first end face 112 are by being installed together with the first connecting hole 1121 and screw and nut corresponding to the 3rd connecting hole 212.Accordingly, the second flange plate 22 and the second end face 113 are by being installed together with the second connecting hole 1131 and screw and nut corresponding to the 4th connecting hole 221.
In order to ensure the sealing between the first flange plate 21 and the first end face 112 and between the second flange plate 22 and the second end face 113.In the present embodiment, pick-up unit also comprises the first sealing gasket 23 be arranged between the first flange plate 21 and the first end face 112, and is arranged on the second sealing gasket 24 between the second flange plate 22 and the second end face 113.Usually, the first sealing gasket 23 and the second sealing gasket 24 are made up of rubber.In other embodiments, the first sealing gasket 23 and the second sealing gasket 24 also can be made up of silica gel.Further, the first sealing gasket 23 is fixed by the first flange plate 21 and the first end face 112.Second sealing gasket 24 is fixed by the second flange plate 22 and the second end face 113.
First flange plate 21 offers the first intercommunicating pore 211 be communicated with valve pocket 110, in the present embodiment, the first sealing gasket 23 offers second intercommunicating pore 231 corresponding with the first intercommunicating pore 211.When the first flange plate 21 and the first sealing gasket 23 are installed on the first end face 112, the first intercommunicating pore 211, second intercommunicating pore 231 interconnects with valve pocket 110.
In the present embodiment, pick-up unit 2 also comprises the water tank 27 for accommodating valve 1, and the liquid for being flooded by valve 1.In general, this liquid is water.
Further, with reference to Fig. 1, pick-up unit 2 also comprises air feeder 25, and the air output terminal of this air feeder 25 is connected with the first intercommunicating pore 211 by tracheae 26, for carrying air in valve pocket 110.
In the present embodiment, the sealing propertytest process of valve 1 comprises the testing process of spool 12 cutting off seal, and the testing process of valve body 11 and valve rod 13 sealing.
Wherein, the testing process of spool 12 cutting off seal comprises the following steps:
With reference to Fig. 1, spool 12 is rotated, makes valve pocket 110 be in blocking state, the first flange plate 21, first sealing gasket 23 is installed on valve body 11.Then, whether by air feeder 25 to input air in valve 1, observing the second opening 115 of valve 1 has bubble to overflow, if so, the poor sealing of the then spool 12 of this valve 1, otherwise then the sealing of the spool 12 of this valve 1 is good.
The testing process of valve body 11 and valve rod 13 sealing comprises the following steps:
With reference to Fig. 2, aperture spool 12 being rotated to valve pocket 110 is 50% place, the first flange plate 21, first sealing gasket 23, second flange plate 22 and the second sealing gasket 24 is installed on valve body 11.Then, by air feeder 25 to input air in valve 1, observe the valve rod hole 111 of valve body 1 and whether valve rod 13 place has bubble to overflow, if so, the poor sealing of then valve body 11 and valve rod 13, otherwise then the sealing of valve body 11 and valve rod 13 is good.
The application is by passing into air in the valve to sealing, bubble whether is had to overflow the sealing of testing valve in portion outdoors by inspecting valve, also by the first sealing gasket and the second sealing gasket, valve is sealed completely, also the aperture of valve pocket is made to be in off state respectively by the rotation of spool or aperture is 50% place, to detect the sealing of spool and valve body and valve rod respectively.The detection method of the application is simple and practical.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to the utility model claims.
Claims (6)
1. a pick-up unit for valve seal, valve (1) comprises valve body (11), spool (12), valve rod (13); Described valve body (11) has valve pocket (110), described valve body (11) also offers the valve rod hole (111) be communicated with this valve pocket (110); Described spool (12) is arranged in described valve pocket (110), for conducting or block described valve pocket (110); Described valve rod (13) is arranged in described valve rod hole (111) rotationally, is connected with described spool (12); Described valve body (11) has the first end face (112) and the second end face (113); Described valve pocket (110) has the first opening (114) be opened on described first end face (112), and is opened in the second opening (115) on described second end face (113); It is characterized in that, described pick-up unit (2) comprises and being removably installed in close first flange plate (21) of described first opening (114) on described first end face (112), and is removably installed in described second end face (113) on second flange plate (22) of closed described second opening (115); Described first flange plate (21) offers the first intercommunicating pore (211) be communicated with described valve pocket (110); Described pick-up unit (2) also comprises the water tank (27) for accommodating described valve (1), and the liquid for being flooded by described valve (1); Described pick-up unit (2) also comprises air feeder (25), the air output terminal of this air feeder (25) is connected with described first intercommunicating pore (211) by tracheae (26), for conveying air in described valve pocket (110).
2. pick-up unit according to claim 1, it is characterized in that, described pick-up unit also comprises the first sealing gasket (23) be arranged between described first flange plate (21) and described first end face (112), and this first sealing gasket (23) offers second intercommunicating pore (231) corresponding with described first intercommunicating pore (211).
3. pick-up unit according to claim 2, is characterized in that, described first sealing gasket (23) is made up of rubber or silica gel.
4. pick-up unit according to claim 2, is characterized in that, described pick-up unit also comprises the second sealing gasket (24) be arranged between described second flange plate (22) and described second end face (113).
5. pick-up unit according to claim 4, is characterized in that, described second sealing gasket (24) is made up of rubber or silica gel.
6. pick-up unit according to claim 1, it is characterized in that, described first end face (112) offers the first connecting hole (1121), described second end face (113) offers the second connecting hole (1131);
Described first flange plate (21) offers three connecting hole (212) corresponding with described first connecting hole (1121); Described second flange plate (22) offers four connecting hole (221) corresponding with described second connecting hole (1131).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420595687.3U CN204188342U (en) | 2014-10-15 | 2014-10-15 | The pick-up unit of valve seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420595687.3U CN204188342U (en) | 2014-10-15 | 2014-10-15 | The pick-up unit of valve seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204188342U true CN204188342U (en) | 2015-03-04 |
Family
ID=52620325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420595687.3U Expired - Fee Related CN204188342U (en) | 2014-10-15 | 2014-10-15 | The pick-up unit of valve seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204188342U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109612640A (en) * | 2018-12-10 | 2019-04-12 | 美钻深海能源科技研发（上海）有限公司 | A kind of valve stem seal test method |
-
2014
- 2014-10-15 CN CN201420595687.3U patent/CN204188342U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109612640A (en) * | 2018-12-10 | 2019-04-12 | 美钻深海能源科技研发（上海）有限公司 | A kind of valve stem seal test method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150304 Termination date: 20191015 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |