CN202392269U - Ball valve with lock - Google Patents
Ball valve with lock Download PDFInfo
- Publication number
- CN202392269U CN202392269U CN2011205753004U CN201120575300U CN202392269U CN 202392269 U CN202392269 U CN 202392269U CN 2011205753004 U CN2011205753004 U CN 2011205753004U CN 201120575300 U CN201120575300 U CN 201120575300U CN 202392269 U CN202392269 U CN 202392269U
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- handle
- valve
- latch
- lock
- ball valve
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Abstract
The utility model provides a ball valve with a lock and belongs to the technical field of valves. The ball valve with the lock comprises a valve body, a spool and a valve stem. The spool is connected with one end of the valve stem, and the other end of the valve stem extends outside the valve body and is connected with a handle. A locking piece capable of fixedly locking the handle on the valve stem is arranged between the handle and the valve body. A lower end of the locking piece is threaded with the valve stem. A limiting block is arranged on the valve body, a limiting groove and a work groove are arranged on a lower end face of the handle, wherein the limiting block is embedded into the limiting groove, the width of the work groove is equal to the route that the valve stem drives the spool to be switched on or off. The locking piece is located inside the handle, and a connecting portion which can be connected with a disassembling tool is arranged at an upper end of the locking piece. The ball valve with the lock solves problems of complicated structure and difficulty in widespread use of existing valves with locks, and is good in practicability and simple in structure.
Description
Technical field
The utility model belongs to valve technology field, relates to a kind of ball valve, particularly a kind of Ball Valve With Lock.
Background technique
Current, ball valve has been widely used in the industrial fields such as civil area and oil, chemical industry.Such as: ball valve is used for civil area, has become indispensable controlling component in residential building water supply, the heating system.Existing ball valve mainly is made up of valve body, valve rod, keying operating device, valve ball and Sealing; Wherein, Be hinged in the valve stem casing endoporus of valve body valve stem seal; The lower end is connected with valve ball through fittings body, and stretch out in the valve stem casing endoporus upper end, and is connected with the keying operating device through its fittings body.The subject matter that this ball valve in use exists is can't open and close operation to it to limit.That is: any people that can touch ball valve as long as be ready, can arbitrarily open or close, and function ratio is more single, is difficult to satisfy the needs of practical application.In order to strengthen the property management of public utilities and community, strengthen planned allotment of resource and conveyings such as water, gas, heat, with ball valve and rotating valve handle under lock and key, become urgency actual demand to be solved.
Existing Valve with lock is broadly divided into two types: one type is to utilize lock body that the valve rod in the valve is locked, and comes the opening and closing of control valve.Like " Valve with lock " that Chinese patent 00241533.X provides, it is made up of valve body, spool, valve rod and lockset, and lock body sheath is on valve rod, and its underpart is through being threaded on the valve stem casing, and lock core and valve stem part intersect.This Valve with lock is to utilize lockset to pin valve rod, the rotation of control valve rod, thereby the opening and closing of control valve.Another kind of Valve with lock is the handle that has omitted in the conventional valves structure, and when needing operation or directly substitute handle with key, or handle is independently opened in use.In " Ball Valve With Lock " that provides like Chinese patent 99254574.9, the valve rod of valve is directly to be connected with lock core, just directly accomplishes with key when valve is operated.
For above-mentioned first kind Valve with lock; They are the structures of on the basis of conventional valves, setting up lock body, therefore, all carry out structure of modification to the valve rod and the valve body of valve; Then need special valve body and valve rod during fabrication; Can't use the valve body and the valve rod of standard to replace. versatility is not high: deposit simultaneously lockset is set in the valve body, it is complicated that structure becomes, and the cost of valve has also uprised.And for second type of above-mentioned Valve with lock, if adopt the mode that directly substitutes handle with key, require great effort very much when practice is illustrated in valve operated, and key usually can fracture.If adopt special-purpose opener, that is to say that a valve is carried out action need has key and special tool simultaneously, causes and carries and operate equal inconvenience.Particularly under the situation that the Valve with lock consumption rises significantly at present, be difficult to be used widely.
Summary of the invention
The purpose of the utility model is to have the problems referred to above to existing technology, has proposed the better and comparatively simple Ball Valve With Lock of structure of a kind of practicability.
The purpose of the utility model can realize through following technical proposal: a kind of Ball Valve With Lock, comprise valve body, valve rod, spool, and an end of described valve rod links to each other with spool; The other end of described valve rod stretches out in valve body and links to each other with one handle, is provided with between described handle and the valve body and can handle lock be fixed on the latch on the valve rod, and the lower end of described latch is connected with threaded stem; It is characterized in that; Also have limiting stopper on the described valve body, described handle, at its lower end mask has restraining groove, and described limiting stopper can be embedded in the described restraining groove; The lower end surface of described handle also has work nest; The width of described work nest is that valve rod drives the stroke that spool opens and closes, and described latch is positioned at handle inside, and the upper end of described latch has the joint that can be connected with extracting tool.
In use; Handle is linked to each other with valve rod, and make the limiting stopper on the valve body be positioned at work nest, through extracting tool twist-lock spare handle lock is fixed on the valve rod again; Handle with sleeve drives valve core rotation through valve rod; Come the folding degree of control valve, and pass through the angle of the rotation of work nest restriction limiting stopper, limit the slewing area of handle.When needs during, through extracting tool latch is dismantled, and the adjustment handle makes limiting stopper on the valve body be positioned at the restraining groove of handle the locking of handle and valve rod; And handle lock is fixed on the valve rod through extracting tool twist-lock spare; Limiting stopper is embedded in and has limited relatively rotating of handle and valve rod in the restraining groove, reach the purpose to the locking of handle, and common instrument can not remove and install to latch; Ball Valve With Lock is had use safer advantage; Can be according to actual conditions, restraining groove and work nest are arranged on the valve body, and limiting stopper is arranged on the handle; Limiting stopper all can be embedded in restraining groove and the work nest, can also reach same application target.
In above-mentioned Ball Valve With Lock, cylindrical and its sidepiece of described joint has recess.Cylindrical its sidepiece of joint has recess, makes joint have Point of Strength, in extracting tool extend into handle, can carry out installation and removal to latch, and general tool can't carry out installation and removal to latch, has safe and reliable advantage.
In above-mentioned Ball Valve With Lock, described joint is prismatic.It is prismatic that joint is; Therefore joint has the portion of putting forth effort, and when extracting tool socket that latch and joint are complementary, can carry out installation and removal to latch; General tool can't carry out installation and removal to latch, has safe and reliable advantage.
In above-mentioned Ball Valve With Lock, described handle is provided with the through hole that supplies latch to pass, and described through-hole wall is equipped with convex shoulder, and the lower end abutment of described joint is in the convex shoulder upper-end surface.When latch was connected handle with valve rod mutually, latch passed through hole, and its lower end is connected with threaded stem, through dismounting workpiece twist-lock spare, made the upper-end surface of the lower end abutment of joint at convex shoulder, and the locking latch makes valve rod be connected mutually with handle.
In above-mentioned Ball Valve With Lock, the outside of described latch also has annular convex, and the upper-end surface of described annular convex is positioned at the lower end surface of joint, and the lower end surface of described annular convex is resisted against the convex shoulder upper-end surface.When latch is connected handle with valve rod mutually; Make the lower end surface of annular convex be resisted against the upper-end surface of convex shoulder; When extracting tool was nested into joint, the lower end surface of extracting tool was resisted against on the upper-end surface of annular convex, and annular convex has spacing effect; And annular convex makes latch intensity bigger, makes latch have long working life.
In above-mentioned Ball Valve With Lock, the upper lateral part of described handle is provided with the tamper hole through the handle sidepiece, and described tamper hole links to each other with through hole, and described tamper hole can link to each other with pin.In the time of need not carrying out the installation and removal to latch, pin is inserted in the tamper hole, has and prevent that other people from directly dismantling.
Compared with prior art, this Ball Valve With Lock has the following advantages:
1, through at handle set inside latch, the end of latch has and is merely able to the joint that socket-connects with removal tool special, has the good and advantage of simple structure of practicability;
2, be positioned at the present handle of rotation the rotating relative to valve rod of work nest through limiting stopper, come the opening state of present ball valve, have simple in structurely, limit effect is advantage preferably;
3, the sidepiece through handle is provided with and the tamper hole of pinning and being connected, and latch is played the certain protection effect, makes latch be difficult for being disassembled easily, has the advantage of safety in utilization.
Description of drawings
Fig. 1 is this Ball Valve With Lock embodiment one a perspective view.
Fig. 2 is this Ball Valve With Lock embodiment one a sectional structure schematic representation.
Fig. 3 is the cross-sectional schematic of this Ball Valve With Lock embodiment one handle locking.
Fig. 4 is the cross-sectional schematic of this Ball Valve With Lock embodiment one handle work.
Fig. 5 is the perspective view of this Ball Valve With Lock embodiment one latch.
Fig. 6 is the perspective view of this Ball Valve With Lock embodiment two latch.
Among the figure, 1, valve body; 1a, limiting stopper; 2, valve rod; 3, spool; 4, handle; 4a, restraining groove; 4b, work nest; 4c, through hole; 4d, convex shoulder; 4e, tamper hole; 5, latch; 5a, annular convex; 5b, joint; 5c, recess.
Embodiment
Below be the specific embodiment of the utility model and combine accompanying drawing, the technological scheme of the utility model is done further to describe, but the utility model is not limited to these embodiments.
Embodiment one
Shown in Fig. 1-5, a kind of Ball Valve With Lock comprises valve body 1, valve rod 2, spool 3; One end of valve rod 2 links to each other with spool 3; The other end of valve rod 2 stretches out in valve body 1 and links to each other with one handle 4, and handle 4 is provided with the through hole 4c that supplies latch 5 to pass, and through hole 4c inwall is equipped with convex shoulder 4d.Be provided with between handle 4 and the valve body 1 and can handle 4 be locked in the latch 5 on the valve rod 2, latch 5 is positioned at handle 4 through hole 4c, and the upper end of latch 5 has the joint 5b that can be connected with extracting tool, and the lower end of latch 5 is threaded with valve rod 2.Cylindrical its sidepiece of joint 5b has recess 5c, makes joint 5b have Point of Strength; The lower end of joint 5b has annular convex 5a, and the lower end surface of annular convex 5a is resisted against on the upper-end surface of convex shoulder 4d.
Also have limiting stopper 1a on the valve body 1, handle 4 lower end surfaces have restraining groove 4a, and limiting stopper 1a can be embedded in the restraining groove 4a, and the lower end surface of handle 4 also has work nest 4b, and the width of work nest 4b is that valve rod 2 drives the stroke that spool 3 opens and closes.The upper lateral part of handle 4 is provided with the tamper hole 4e through handle 4 sidepieces, and tamper hole 4e links to each other with through hole 4c, and tamper hole 4e can link to each other with pin.
In use, handle 4 is linked to each other with valve rod 2, and make the limiting stopper 1a on the valve body 1 be positioned at work nest 4b; Link to each other with valve rod 2 through screw-thread fit through extracting tool twist-lock spare 5 again, and the lower end surface of annular convex 5a is pressed on the upper-end surface of convex shoulder 4d, handle 4 and valve rod 2 are connected as a single entity; Handle with sleeve 4 drives spool 3 through valve rod 2 and rotates; Come the folding degree of control valve, and pass through the angle of the rotation of work nest 4b restriction limiting stopper 1a, limit the slewing area of handle 4.
When needs with handle 4 during with valve rod 2 lockings, extracting tool extend into the through hole 4c of handle 4 and socket-connects twist-lock spare 5 with the joint 5b of latch 5; With latch 5 down from valve rod 2 dismountings; And adjustment handle 4 makes limiting stopper 1a on the valve body 1 be positioned at the restraining groove 4a of handle 4, and is nested into joint 5b and twist-lock spare 5 through extracting tool, makes the lower end surface of annular convex 5a be resisted against the upper-end surface of convex shoulder 4d; The other end of latch 5 is connected with valve rod 2 screw threads mutually; Limited relatively rotating of handle 4 and valve rod 2 in the restraining groove 4a because limiting stopper 1a is embedded in, therefore reached purpose the locking of handle 4, and the groove of common instrument because of not having to be complementary with joint 5b; Therefore can not remove and install latch 5, Ball Valve With Lock had use safer advantage.In the time of need not carrying out the installation and removal to latch 5, pin is inserted in the 4e of tamper hole, has and prevent that other people from directly dismantling.
Can be according to actual conditions, restraining groove 4a and work nest 4b are arranged on the valve body 1, and limiting stopper 1a is arranged on the handle 4, and limiting stopper 1a all can be embedded in restraining groove 4a and the work nest 4b, can also reach same application target.
Embodiment two
As shown in Figure 6; Joint 5b is prismatic; Therefore joint 5b has the portion of putting forth effort, and when extracting tool socket that latch 5 and joint 5b are complementary, can carry out installation and removal to latch 5; General tool can't carry out installation and removal to latch 5, has safe and reliable advantage.Can joint 5b be made other non-circular shapes according to actual conditions.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from the spirit of the utility model or surmount the defined scope of appended claims.
Although this paper has used terms such as valve body 1, limiting stopper 1a, valve rod 2, spool 3, handle 4, restraining groove 4a, work nest 4b, through hole 4c, convex shoulder 4d, tamper hole 4e, latch 5, annular convex 5a, joint 5b, recess 5c morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain the essence of the utility model more easily; It all is contrary with the utility model spirit being construed to any additional restriction to them.
Claims (6)
1. Ball Valve With Lock; Comprise valve body (1), valve rod (2), spool (3), an end of described valve rod (2) links to each other with spool (3), and the other end of described valve rod (2) stretches out in valve body (1) and links to each other with one handle (4); Be provided with between described handle (4) and the valve body (1) and can handle (4) be locked in the latch (5) on the valve rod (2); The lower end of described latch (5) is threaded with valve rod (2), it is characterized in that, also has limiting stopper (1a) on the described valve body (1); Described handle (4) lower end surface has restraining groove (4a); Described limiting stopper (1a) can be embedded in the described restraining groove (4a), and the lower end surface of described handle (4) also has work nest (4b), and the width of described work nest (4b) is that valve rod (2) drives the stroke that spool (3) opens and closes; Described latch (5) is positioned at handle (4) inside, and the upper end of described latch (5) has the joint (5b) that can be connected with extracting tool.
2. Ball Valve With Lock according to claim 1 is characterized in that, cylindrical and its sidepiece of described joint (5b) has recess (5c).
3. Ball Valve With Lock according to claim 1 is characterized in that, described joint (5b) is prismatic.
4. according to claim 1 or 2 or 3 described Ball Valve With Locks; It is characterized in that; Described handle (4) is provided with the through hole (4c) that supplies latch (5) to pass, and described through hole (4c) inwall is equipped with convex shoulder (4d), and the lower end abutment of described joint (5b) is in convex shoulder (4d) upper-end surface.
5. Ball Valve With Lock according to claim 4; It is characterized in that; The outside of described latch (5) also has annular convex (5a), and the upper-end surface of described annular convex (5a) is positioned at the lower end surface of joint (5b), and the lower end surface of described annular convex (5a) is resisted against convex shoulder (4d) upper-end surface.
6. Ball Valve With Lock according to claim 5 is characterized in that, the upper lateral part of described handle (4) is provided with through the tamper hole (4e) of handle (4) sidepiece, and described tamper hole (4e) links to each other with through hole (4c), and described tamper hole (4e) can link to each other with pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205753004U CN202392269U (en) | 2011-12-31 | 2011-12-31 | Ball valve with lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205753004U CN202392269U (en) | 2011-12-31 | 2011-12-31 | Ball valve with lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202392269U true CN202392269U (en) | 2012-08-22 |
Family
ID=46667196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205753004U Expired - Fee Related CN202392269U (en) | 2011-12-31 | 2011-12-31 | Ball valve with lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202392269U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112594410A (en) * | 2020-12-16 | 2021-04-02 | 武昌船舶重工集团有限公司 | Top entry valve rod type ball valve |
| CN113566014A (en) * | 2021-07-30 | 2021-10-29 | 浙江博民机电股份有限公司 | Gas magnetic locking ball valve |
-
2011
- 2011-12-31 CN CN2011205753004U patent/CN202392269U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112594410A (en) * | 2020-12-16 | 2021-04-02 | 武昌船舶重工集团有限公司 | Top entry valve rod type ball valve |
| CN113566014A (en) * | 2021-07-30 | 2021-10-29 | 浙江博民机电股份有限公司 | Gas magnetic locking 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: ZHEJIANG DOUBLE-LIN VALVES CO., LTD. Free format text: FORMER OWNER: TAIZHOU DOUBLE-LIN VALVES MANUFACTURING CO., LTD. Effective date: 20140605 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140605 Address after: 317610, Zhejiang, Taizhou province Yuhuan County dry river hardware industry function area (Salt Pan Village) Patentee after: Zhejiang Double-Lin Valves Co., Ltd. Address before: 317610, Zhejiang, Taizhou province Yuhuan County dry river hardware industry function area (Salt Pan Village) Patentee before: Taizhou Double-Lin Valves Manufacturing Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120822 Termination date: 20171231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |