CN205047881U - Venting ball valve - Google Patents
Venting ball valve Download PDFInfo
- Publication number
- CN205047881U CN205047881U CN201520646569.5U CN201520646569U CN205047881U CN 205047881 U CN205047881 U CN 205047881U CN 201520646569 U CN201520646569 U CN 201520646569U CN 205047881 U CN205047881 U CN 205047881U
- Authority
- CN
- China
- Prior art keywords
- valve
- ball
- valve body
- blocking
- hole
- 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
Abstract
The utility model relates to the technical field of valves, specifically be a venting ball valve, including valve body and the valve cap continuous with the valve body, the valve body in be equipped with the valve ball, valve body and valve cap between be equipped with be used for fixing a position the valve ball and with the location sealing device of valve ball adaptation, the valve ball be connected with the valve rod that is used for making the valve ball rotatory, the valve rod on be equipped with annular locating convex block, be equipped with the constant head tank of injecing the locating convex block position on the valve body, the valve body on be equipped with first exhaust hole, the valve ball is equipped with second exhaust hole, first exhaust hole and second exhaust hole intercommunication, the valve body on be equipped with the plugging device that can plug up first exhaust hole. The utility model discloses simple structure, the practicality is strong.
Description
Technical field
The utility model relates to ball valve technical field, is specially a kind of venting ball valve.
Background technique
Traditional venting ball valve is in assembly process, valve rod is not easily located, add the difficulty of assembling, reduce working efficiency, meanwhile, easy sepage body between valve ball and valve body in traditional venting ball valve, Liquid Penetrant is on valve rod, time easy, valve rod gets rusty, and causes valve rod cisco unity malfunction, reduces the working life of valve rod.
Model utility content
For the deficiency that prior art exists, the purpose of this utility model is that providing a kind of assembles venting ball valve that is simple, long service life.
For achieving the above object, the utility model provides following technological scheme: a kind of venting ball valve, the bonnet comprising valve body and be connected with valve body, valve ball is provided with in described valve body, be provided with between described valve body and bonnet for locate valve ball and with the location sealing device of valve ball adaptation, described valve ball is connected with the valve rod for making valve ball rotate, described valve rod is provided with the locating bump of ring-type, described valve body is provided with the locating slot limiting locating bump position, described valve body is provided with first row pore, described valve ball is provided with second row pore, first row pore is communicated with second row pore, described valve body is provided with the leakage-baffling device can blocking first row pore.
Further, described location sealing device comprises the first seal ring being located at valve inner and the second seal ring being located at bonnet interior, the first described seal ring is provided with the first cambered surface with ball surface adaptation, and the second described seal ring is provided with the second cambered surface with ball surface adaptation.
Further, the first tapped hole that described first row pore comprises through hole and is communicated with through hole.
Further, described leakage-baffling device comprises the first blocking, first blocking comprise with the first screw column of the first tapped hole adaptation and be connected with the first screw column first block head, first screw column is arranged with an O shape circle, the first described blocking is provided with positioning hole, first blocking is provided with the second blocking can blocking positioning hole, the second tapped hole that described positioning hole comprises the first hole and is communicated with the first hole, the aperture in the first hole is less than the aperture of the second tapped hole, second blocking comprise with the second screw column of the second tapped hole adaptation and be connected with the second screw column second block head, second screw column is arranged with the 2nd O shape circle.
Further, described valve rod and valve body pass through two the 2nd O type circles be set on valve rod respectively and seal, and valve rod is connected with handle, and is fixed by nut.
Contrast the deficiencies in the prior art, the beneficial effect that the technological scheme that the utility model provides is brought: 1. the utility model is when assembling, locating slot is utilized to block the locating bump of valve rod, valve rod can not be radially wobbled, assemble valve ball afterwards, utilize valve ball to withstand valve rod, valve rod can not be moved axially, and then reduce assembling difficulty, improve working efficiency.2. novel first seal ring of this use is located at valve inner, second seal ring is located at bonnet interior, first seal ring is provided with the first cambered surface with ball surface adaptation, second seal ring is provided with the second cambered surface with ball surface adaptation, valve ball is provided with between first seal ring and the second seal ring, the fastening force that valve body and bonnet are threaded connection makes the first cambered surface in the first seal ring and the second cambered surface in the second seal ring fit with ball surface respectively, the phenomenon flowed out from the gap between valve body and valve ball in effective anti-fluid using process occurs, improve the quality of product of this valve, extend the working life of venting ball valve.
Accompanying drawing explanation
Fig. 1 is cross-sectional schematic of the present utility model.
Fig. 2 is the linkage structure schematic diagram of valve body and bonnet.
Fig. 3 is stem structure schematic diagram.
Fig. 4 is the cross-sectional schematic of the first sealing gasket.
Embodiment
With reference to Fig. 1-Fig. 4, the utility model is described further.
A kind of venting ball valve, the bonnet 2 comprising valve body 1 and be connected with valve body 1, valve ball 3 is provided with in described valve body 1, be provided with between described valve body 1 and bonnet 2 for locate valve ball 3 and with the location sealing device of valve ball 3 adaptation, described valve ball 3 is connected with the valve rod 4 for making valve ball 3 rotate, described valve rod 4 is provided with the locating bump 41 of ring-type, described valve body 1 is provided with the locating slot 11 limiting locating bump 41 position, described valve body 1 is provided with first row pore 12, described valve ball 3 is provided with second row pore 31, first row pore 12 is communicated with second row pore 31, described valve body 1 is provided with the leakage-baffling device can blocking first row pore 12.
Further, described location sealing device comprises the first seal ring 51 being located at valve body 1 inside and the second seal ring 52 being located at bonnet 2 inside, the first described seal ring 51 is provided with first cambered surface 511 adaptive with valve ball 3 surface, and the second described seal ring 52 is provided with second cambered surface adaptive with valve ball 3 surface.
During assembling, utilize locating slot 11 to block the locating bump 41 of valve rod 4, valve rod 4 can not be radially wobbled, assemble valve ball 3 afterwards, utilize valve ball 3 to withstand valve rod 4, valve rod 4 can not be moved axially, and then reduce assembling difficulty, improve working efficiency.
It is inner that first seal ring 51 is located at valve body 1, it is inner that second seal ring 52 is located at bonnet 2, first seal ring 51 is provided with first cambered surface 511511 adaptive with valve ball 33 surface, second seal ring 5252 is provided with second cambered surface adaptive with valve ball 33 surface, valve ball 3 is provided with between first seal ring 51 and the second seal ring 52, the fastening force that valve body 1 and bonnet 2 are threaded connection makes the first cambered surface 511 in the first seal ring 51 and the second cambered surface in the second seal ring 52 fit with valve ball 3 surface respectively, the phenomenon flowed out from the gap between valve body 1 and valve ball 3 in effective anti-fluid using process occurs, improve the quality of product of this valve, extend the working life of venting ball valve.
Further, the first tapped hole 122 that described first row pore 12 comprises through hole 121 and is communicated with through hole 121.
Further, described leakage-baffling device comprises the first blocking, first blocking comprise with the first screw column 61 of the first tapped hole 122 adaptation and be connected with the first screw column 61 first block 62, first screw column 61 is arranged with an O shape circle 63, the first described blocking is provided with positioning hole, first blocking is provided with and blocks with second of positioning hole adaptation, the second tapped hole that described positioning hole comprises the first hole and is communicated with the first hole, the aperture in the first hole is less than the aperture of the second tapped hole, second blocking comprise with the second screw column 71 of the second tapped hole adaptation and be connected with the second screw column 71 second block 72, second screw column 71 is arranged with the 2nd O shape circle 73.
First blocking is as large plug, and the second blocking is as the little plug being located at the first blocking inside, when pipe interior has larger pressure to need to discharge, turning on first blocks, simultaneously, during maintenance, only need turn on the first blocking, clear up stifled solid garbage therein, and then reach the object of normal exhaust, convenient maintenance, because it is inner that solid garbage is often stuck in second row pore 31; And when usual exhaust, only the second blocking need be turned on once in a while, reach the object of pressure release.
Further, described valve rod 4 and valve body 1 pass through two the 2nd O type circles be set on valve rod 4 respectively and seal, and valve rod 4 is connected with handle, and is fixed by nut.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, those skilled in the art carries out common change and replaces should being included in protection domain of the present utility model within the scope of technical solutions of the utility model.
Claims (5)
1. a venting ball valve, the bonnet comprising valve body and be connected with valve body, it is characterized in that: in described valve body, be provided with valve ball, be provided with between described valve body and bonnet for locate valve ball and with the location sealing device of valve ball adaptation, described valve ball is connected with the valve rod for making valve ball rotate, described valve rod is provided with the locating bump of ring-type, described valve body is provided with the locating slot limiting locating bump position, described valve body is provided with first row pore, described valve ball is provided with second row pore, first row pore is communicated with second row pore, described valve body is provided with the leakage-baffling device can blocking first row pore.
2. a kind of venting ball valve according to claim 1, it is characterized in that: described location sealing device comprises the first seal ring being located at valve inner and the second seal ring being located at bonnet interior, the first described seal ring is provided with the first cambered surface with ball surface adaptation, and the second described seal ring is provided with the second cambered surface with ball surface adaptation.
3. a kind of venting ball valve according to claim 1 and 2, is characterized in that: the first tapped hole that described first row pore comprises through hole and is communicated with through hole.
4. a kind of venting ball valve according to claim 3, it is characterized in that: described leakage-baffling device comprises the first blocking, first blocking comprise with the first screw column of the first tapped hole adaptation and be connected with the first screw column first block head, first screw column is arranged with an O shape circle, the first described blocking is provided with positioning hole, first blocking is provided with the second blocking can blocking positioning hole, the second tapped hole that described positioning hole comprises the first hole and is communicated with the first hole, the aperture in the first hole is less than the aperture of the second tapped hole, second blocking comprise with the second screw column of the second tapped hole adaptation and be connected with the second screw column second block head, second screw column is arranged with the 2nd O shape circle.
5. a kind of venting ball valve according to claim 1, is characterized in that: described valve rod and valve body pass through two the 2nd O type circles be set on valve rod respectively and seal, and valve rod is connected with handle, and is fixed by nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520646569.5U CN205047881U (en) | 2015-08-25 | 2015-08-25 | Venting ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520646569.5U CN205047881U (en) | 2015-08-25 | 2015-08-25 | Venting ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205047881U true CN205047881U (en) | 2016-02-24 |
Family
ID=55341458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520646569.5U Expired - Fee Related CN205047881U (en) | 2015-08-25 | 2015-08-25 | Venting ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205047881U (en) |
-
2015
- 2015-08-25 CN CN201520646569.5U patent/CN205047881U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160224 Termination date: 20180825 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |