CN205155220U - Lockable ball valve - Google Patents
Lockable ball valve Download PDFInfo
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- CN205155220U CN205155220U CN201520874573.7U CN201520874573U CN205155220U CN 205155220 U CN205155220 U CN 205155220U CN 201520874573 U CN201520874573 U CN 201520874573U CN 205155220 U CN205155220 U CN 205155220U
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- ball valve
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Abstract
The utility model relates to the technical field of valves, specifically be a lockable ball valve, including the ball valve body, the ball valve body includes interconnect's valve body and valve cap, be equipped with the case in the valve body, drive spool rotation's valve rod, be connected with the handle on the valve rod, be equipped with on the valve body and decide the lockhole, be equipped with on the handle that first move the lockhole and the second moves the lockhole, the first lockhole that moves changes when making the valve ball close with to decide the lockhole just right at the handle, the second moves the lockhole to be changeed when making the valve ball open with to decide the lockhole just right at the handle, the one end of case is equipped with first sealed pad, the other end of case is equipped with the sealed pad of second, first sealed stacking up is equipped with the bracing ring, be equipped with the first conical surface on the bracing ring, sealed the stacking up of second is equipped with the second conical surface and the third conical surface, be equipped with the fourth conical surface with third conical surface adaptation on the valve cap. The utility model discloses simple structure, the practicality is strong.
Description
Technical field
The utility model relates to valve technology field, and being specially one can ball valve with lock.
Background technique
At present, the common configuration of the ball valve adopted both at home and abroad is: the surface of contact between spool and entrance point, outlet end is provided with a pair sealing gasket, reaches the object of sealing with this.But, along with the access times of ball valve increase, be easy to the wearing and tearing causing sealing gasket, cause the joint fluid of spool and sealing gasket to leak, have influence on the sealability of ball valve, and reduce working life.
Traditional can ball valve with lock often only when ball valve is closed no, lock is utilized the handle of ball valve and valve body to be pinned, prevent stranger from opening ball valve, cause the waste of water or other resources, but when valve opening uses, valve body and handle can not be made to pin, cause when watering in park, if ball valve is closed by stranger, the people that waters flowers need go to the other end from the one end in park again and reopen ball valve, cause work to be interrupted, reduce working efficiency.
Finally, valve rod is that ball valve in use moves one of pipe fitting the most frequently, but the sealing of valve is often only pursued in often traditional design, and on valve rod, being provided with annular groove, sheathed seal ring on annular groove, design sealing effect although it is so strengthens, but, reduce valve rod structural strength, cause valve rod easily to rupture in rotation many times, shorten the working life of valve rod.
Model utility content
For the deficiency that prior art exists, the purpose of this utility model be to provide a kind of open or close can lock, the ball valve of long service life.
For achieving the above object, the utility model provides following technological scheme: one can ball valve with lock, comprise ball valve body, ball valve body comprises interconnective valve body and bonnet, spool is provided with in valve body, drive the valve rod of Spool rotating, valve rod is connected with handle, valve body is provided with lock hole, handle is provided with the first dynamic lockhole and the second dynamic lockhole, first dynamic lockhole handle go to valve ball is closed time and lock hole just right, second dynamic lockhole handle go to valve ball is opened time and lock hole just right, one end of spool is provided with the first sealing gasket, the other end of spool is provided with the second sealing gasket, first sealing gasket is provided with bracing ring, bracing ring is provided with first conical surface, second sealing gasket is provided with second conical surface and having three pyramidal faces, bonnet is provided with the 4th conical surface with having three pyramidal faces adaptation.
Further, described valve rod is provided with successively the first projection, the second protruding, the 3rd protruding and the 4th projection that are ring-type, forms the first seal groove between the first projection and the second projection, between the second projection and the 3rd projection, form the second seal groove.
Further, the first projection, the second projection are identical with the external diameter of the 3rd projection, and the external diameter of the 4th projection is larger than the external diameter of the 3rd projection, and described valve body is provided with the locating slot of restriction the 4th raised position.
Further, the rectangular shape of described ball valve body, ball valve body comprises import and outlet, the center line of import and the central axis of outlet, the restraining groove of placement first sealing gasket is provided with, the kerve of headspace when promising Spool rotating is offered in the bottom of restraining groove in valve body.
Further, described valve body is provided with limited post, handle is respectively equipped with groove and projection.
Contrast the deficiencies in the prior art, the beneficial effect that the technological scheme that the utility model provides is brought: 1. when rotatable handle is to when making limited post be stuck in the groove on handle, valve ball is closed, first dynamic lockhole and lock hole just right, lock is now utilized the handle of ball valve and valve body to be pinned, stranger can not open ball valve, prevent water resource waste, when rotatable handle is to when making the projection on handle be stuck in limited post, valve ball is opened, second dynamic lockhole and lock hole just right, now, lock is utilized the handle of ball valve and valve body to be pinned, stranger arbitrarily can not close ball valve, prevent external needs from arbitrarily closing when closing ball valve, ensure work continuity, 2. the curved shape in the surface of spool, and the part that bracing ring contacts with spool is provided with first conical surface, the part that second sealing gasket contacts with spool is provided with second conical surface, spool and bonnet is utilized to compress the first sealing gasket, spool and the second sealing gasket, and the first sealing gasket and the second sealing gasket are made up of rubber elastomeric material, in the process compressed, rubber pad is out of shape, and then make the first conical surface distortion in the cambered surface with spool face adaptation, now, rubber pad is in compressive state, even if rubber pad weares and teares to some extent, the rubber pad of pressurized itself supplements the part of wearing and tearing, the phenomenon that effective anti-fluid is leaked from the joint of rubber pad and spool occurs, extend the working life of ball valve, 3. on valve rod, be provided with the first projection being ring-type, second is protruding, 3rd protruding and the 4th projection, and ring first is protruding, second is protruding, 3rd is protruding, 4th is protruding shaping with valve-stem integrated, the first seal groove is formed between first projection and the second projection, the second seal groove is formed between second projection and the 3rd projection, on first seal groove and the second seal groove, cover is equipped with seal ring, and there is no direct circular groove of opening on valve rod, therefore while guarantee sealing effect, do not affect again the structural strength of valve rod, prevent valve stem crack and affect the phenomenon in valve rod working life and occur.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of valve body.
Fig. 3 is the schematic top plan view of valve body.
Fig. 4 is the structural representation of valve rod.
Fig. 5 is the structural representation of handle.
Fig. 6 is the structural representation of bonnet.
Fig. 7 is the structural representation of the first sealing gasket.
Fig. 8 is the structural representation of the second sealing gasket.
Embodiment
With reference to Fig. 1-Fig. 8, the utility model is described further.
One can ball valve with lock, comprise ball valve body, ball valve body comprises interconnective valve body 1 and bonnet 2, spool 3 is provided with in valve body 1, drive the valve rod 4 that spool 3 rotates, valve rod 4 is connected with handle 5, valve body 1 is provided with lock hole 11, handle 5 is provided with the first dynamic lockhole 51 and the second dynamic lockhole 52, first dynamic lockhole 51 handle 5 go to valve ball is closed time and lock hole 11 just right, second dynamic lockhole 52 handle 5 go to valve ball is opened time and lock hole 11 just right, one end of spool 3 is provided with the first sealing gasket 61, the other end of spool 3 is provided with the second sealing gasket 62, first sealing gasket 61 is provided with bracing ring 611, bracing ring 611 is provided with first conical surface 612, second sealing gasket 62 is provided with the second conical surface 621 and having three pyramidal faces 622, bonnet 2 is provided with the 4th conical surface 21 with having three pyramidal faces 622 adaptation.
When handle 5 rotate to limited post 14 is stuck in the groove 53 on handle 5 time, valve ball is closed, and the first dynamic lockhole 51 is just right with lock hole 11, and now utilize lock to be pinned with valve body 1 by the handle 5 of ball valve, stranger can not open ball valve, prevent water resource waste; When handle 5 rotate to make the projection 54 on handle 5 be stuck in limited post 14 time, valve ball is opened, second dynamic lockhole 52 is just right with lock hole 11, now, lock is utilized to be pinned with valve body 1 by the handle 5 of ball valve, stranger arbitrarily can not close ball valve, prevent external needs from arbitrarily closing when closing ball valve, ensure work continuity.
The curved shape in surface of spool 3, and the part that bracing ring 611 contacts with spool 3 is provided with first conical surface 612, the part that second sealing gasket 62 contacts with spool 3 is provided with second conical surface 621, spool 3 and bonnet 2 is utilized to compress the first sealing gasket 61, spool 3 and the second sealing gasket 62, and the first sealing gasket 61 and the second sealing gasket 62 are made up of rubber elastomeric material, in the process compressed, rubber pad is out of shape, and then make first conical surface 612 be out of shape in the cambered surface adaptive with spool 3 surface, now, rubber pad is in compressive state, even if rubber pad weares and teares to some extent, the rubber pad of pressurized itself supplements the part of wearing and tearing, the phenomenon that effective anti-fluid is leaked from the joint of rubber pad and spool 3 occurs, extend the working life of ball valve.
Further, described valve rod 4 is provided with successively the first projection 41, second projection 42, the the 3rd protruding 43 and the 4th projection 44 that are ring-type, formed between first protruding 41 and second projection 42 between first seal groove 45, second protruding 42 and the 3rd projection 43 and form the second seal groove 46.
Valve rod 4 is provided with the first projection 41 being ring-type, second projection 42, 3rd protruding 43 and the 4th projection 44, and ring first projection 41, second projection 42, 3rd projection 43, 4th protruding 44 is one-body molded with valve rod 4, the first seal groove 45 is formed between first protruding 41 and second projection 42, the second seal groove 46 is formed between second projection 42 and the 3rd projection 43, on first seal groove 45 and the second seal groove 46, cover is equipped with seal ring, and there is no direct circular groove of opening on valve rod 4, therefore while guarantee sealing effect, do not affect again the structural strength of valve rod 4, prevent valve rod 4 from rupturing and affect the phenomenon in valve rod 4 working life and occur.
Further, the first projection 41, second projection 42 is identical with the external diameter of the 3rd projection 43, and the external diameter of the 4th projection 44 is larger than the external diameter of the 3rd projection 43, and described valve body 1 is provided with the locating slot 12 of protruding 44 positions of restriction the 4th.
4th projection 44 is stuck in the locating slot 12 of valve body 1, makes valve rod 4 in the process rotated, there will not be the phenomenon of beat to occur.
Further, the rectangular shape of described ball valve body, ball valve body comprises import and outlet, the center line of import and the central axis of outlet, be provided with the restraining groove of placement first sealing gasket 61 in valve body 1, the kerve 13 of headspace when promising spool 3 rotates is offered in the bottom of restraining groove.
The object offering kerve 13 in valve body 1 is, when spool 3 rotates time, spool 3 partial receipt, in kerve 13, prevents the surface of spool 3 and valve body 1 from the phenomenon of wearing and tearing occurring.
Further, described valve body 1 is provided with limited post 14, handle 5 is respectively equipped with groove 53 and protruding 54.
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. one kind can ball valve with lock, comprise ball valve body, ball valve body comprises interconnective valve body and bonnet, spool is provided with in valve body, drive the valve rod of Spool rotating, valve rod is connected with handle, valve body is provided with lock hole, it is characterized in that: handle is provided with the first dynamic lockhole and the second dynamic lockhole, first dynamic lockhole handle go to valve ball is closed time and lock hole just right, second dynamic lockhole handle go to valve ball is opened time and lock hole just right, one end of spool is provided with the first sealing gasket, the other end of spool is provided with the second sealing gasket, first sealing gasket is provided with bracing ring, bracing ring is provided with first conical surface, second sealing gasket is provided with second conical surface and having three pyramidal faces, bonnet is provided with the 4th conical surface with having three pyramidal faces adaptation.
2. one according to claim 1 can ball valve with lock, it is characterized in that: described valve rod is provided with successively first protruding, the second protruding, the 3rd protruding and the 4th projection being ring-type, form the first seal groove between first projection and the second projection, between the second projection and the 3rd projection, form the second seal groove.
3. one according to claim 2 can ball valve with lock, it is characterized in that: the first projection, the second projection are identical with the external diameter of the 3rd projection, and the external diameter of the 4th projection is larger than the external diameter of the 3rd projection, described valve body is provided with the locating slot of restriction the 4th raised position.
4. one according to claim 1 can ball valve with lock, it is characterized in that: the rectangular shape of described ball valve body, ball valve body comprises import and outlet, the center line of import and the central axis of outlet, the restraining groove of placement first sealing gasket is provided with, the kerve of headspace when promising Spool rotating is offered in the bottom of restraining groove in valve body.
5. one according to claim 1 can ball valve with lock, it is characterized in that: described valve body is provided with limited post, handle is respectively equipped with groove and projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520874573.7U CN205155220U (en) | 2015-11-04 | 2015-11-04 | Lockable ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520874573.7U CN205155220U (en) | 2015-11-04 | 2015-11-04 | Lockable ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205155220U true CN205155220U (en) | 2016-04-13 |
Family
ID=55690913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520874573.7U Active CN205155220U (en) | 2015-11-04 | 2015-11-04 | Lockable ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205155220U (en) |
-
2015
- 2015-11-04 CN CN201520874573.7U patent/CN205155220U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 317600 Kanmen Science and Technology Industrial Park, Yuhuan City, Zhejiang Province Patentee after: Yuhuan Aolong Valve Co., Ltd. Address before: 317602 Kanmen Science and Technology Industrial Park, Yuhuan County, Taizhou City, Zhejiang Province Patentee before: Yuhuan Aolong Valves Co., Ltd. |
|
| CP03 | Change of name, title or address |