CN206889732U - Ball valve with lock - Google Patents
Ball valve with lock Download PDFInfo
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- CN206889732U CN206889732U CN201720587949.5U CN201720587949U CN206889732U CN 206889732 U CN206889732 U CN 206889732U CN 201720587949 U CN201720587949 U CN 201720587949U CN 206889732 U CN206889732 U CN 206889732U
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- valve
- lock
- rod
- cap
- opened
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Abstract
The utility model provides a kind of Ball Valve With Lock, belongs to valve technology field, is related to a kind of Valve with lock.It solve the problems, such as it is existing can ball valve with lock be connected with key and easily skidding occur.This Ball Valve With Lock, including valve body, valve rod and valve element, valve element is arranged in valve body, there is valve-rod cavity inside valve body upper end, valve rod lower end is stretched into valve-rod cavity and is fixedly connected with valve element, the circumferentially fixed key for being connected with energy rotation valve rod in the upper end of valve rod, key includes opening body in shaft-like lock, the upper end of valve rod has projection, lock, which is opened, has the groove to match with projection on the lower surface of body lower end, lock, which is opened, to be arranged with lock and opens cap on body, lock opens cap in the baffle ring having on sleeve-shaped and madial wall in a ring, lock, which is opened to have on body lower end periphery wall, can be resisted against the shoulder block of baffle ring lower surface in a ring, lock is opened cap and is threadedly coupled with valve-rod cavity.This Ball Valve With Lock is connected firmly with key, service life is long, easy to use.
Description
Technical field
The utility model belongs to valve technology field, is related to a kind of Ball Valve With Lock.
Background technology
Ball valve be for chemical industry, fuel gas transmission and city gas supply, water service pipeline in it is a kind of conventional
Valve, its is simple in construction, switch is reliable, service life length.Therefore, it is widely used in above-mentioned field.Ordinary construction ball valve
It can directly be manipulated by user on demand, there is the management and control free degree and flexibility for end user, but to supplying, supplying water
Control is just lost for management unit, the forfeiture of this control, engineering construction does not complete or do not possessed supply in front end
During water supply conditions, after valve is misused or operated without authorization, the potential safety hazard of running water, gas leakage be present, or it is stolen
Risk.It is existing it is valvular to prevent from opening means without authorization mainly to include valve rod pulling Interface design be special purpose interface form, valve
Spanner or handwheel are not configured on door, can only be opened by special messenger's special spanner or special handwheel.
One kind as disclosed in Chinese patent literature data can the ball valve with lock [patent No.：201110334735.4；Notification number：
The A of CN 102401180], including valve body, the both ends of valve body have joint, the both ends of ball are arranged in valve body by sealing ring, valve
Bar forms revolute pair through the valve-rod cavity on valve body and valve body, and the lower end of valve rod is connected with ball；The upper end of valve rod is less than
The periphery of the upper end of valve-rod cavity, the lower end of valve rod have blocking journal, and blocking journal is located in the thrust step of valve-rod cavity bottom；
The limiting gasket for limiting valve rod rotation angle is provided with the top of valve-rod cavity, valve rod rotates in the angle, can locate
In valve opening with closing two states；This ball valve, which also includes one, can stretch into valve-rod cavity what is be engaged with the upper end of valve rod
Key for rotation valve rod.It is engaged in use, the lower end of key is stretched into valve-rod cavity with the upper end of valve rod, when key turns
Ball is driven to rotate during ovable valve stem, so as to realize being turned on and off for valve.
It is above-mentioned can the lower end of ball valve with lock key and the upper end of valve rod be connected together, valve rod is stretched into the lower end of key during use
Intracavitary is engaged with the upper end of valve rod, you can and open and realize being turned on and off for valve, convenient disassembly, but its connection precision is low, firm
Solidity is poor, is easily skidded using after a period of time, influences to open and close effect；And Key structure size is big, carry not
It is convenient.
The content of the invention
The purpose of this utility model is in view of the above-mentioned problems existing in the prior art, it is proposed that a kind of Ball Valve With Lock,
The technical problem of solution be it is further improve can ball valve with lock and key connectivity robustness.
The purpose of this utility model can be realized by following technical proposal：
A kind of Ball Valve With Lock, including valve body, valve rod and valve element, the valve element are arranged in valve body, in the valve body upper end
Portion has valve-rod cavity, and the valve rod lower end is stretched into valve-rod cavity and is fixedly connected with valve element, the circumferentially fixed company in upper end of the valve rod
The key of energy rotation valve rod is connected to, the key includes opening body in shaft-like lock, and the upper end of the valve rod has projection, the lock
Opening has the groove that matches with projection on the lower surface of body lower end, it is characterised in that the lock, which is opened, to be arranged with lock and open cap on body, institute
State lock and open cap in the baffle ring having on sleeve-shaped and madial wall in a ring, the lock, which is opened, to be had on body lower end periphery wall and can be resisted against
The shoulder block of baffle ring lower surface in a ring, the lock are opened cap and are threadedly coupled with valve-rod cavity.
In use, the lower end that lock is opened to body is inserted into valve-rod cavity, lock is set to open the groove on body and the projection phase on valve rod
Coordinate, then the lock opened on body will be locked open cap and be screwed with valve-rod cavity and be connected, be now rotated further by lock and open body with ovable valve stem rotation, from
And realize the opening and closing state of ball valve.
Using said structure, lock opens body and is plugged in lock and opens and can only open the axis of cap in cap along lock and circumferentially rotate, and lock opens body not
Easily shift, the projection that lock is opened on groove and valve rod on body coordinates the phenomenon for firmly, being not susceptible to skid；Lock opens the interior of cap
There is baffle ring, lock, which is opened, has the shoulder block that can be resisted against on baffle ring on body lower end periphery wall, open cap when lock and consolidate with valve-rod cavity in side wall
When connecting surely, the shoulder block that lock opens body is resisted against lock and opened on the baffle ring of cap, and lock, which opens body and can not axially remove lock, opens cap, and lock is opened on body
Groove tight fit and valve rod on projection compression fit, connectivity robustness is high.The lower end that lock opens cap is screwed with valve-rod cavity
Connection, easy disassembly；This external lock opens position-adjustable of the cap in valve-rod cavity, when lock open body be inserted into valve-rod cavity with valve rod
Projection when being engaged, make lock open physical efficiency to be fitted close, avoid the occurrence of with valve rod all the time by controlling lock to open the tight degree that turns of cap
Skidding, it is connected firmly.
In above-mentioned Ball Valve With Lock, the lock opens the convex edge on the periphery wall of cap upper end with convex, the convex edge
Cross section outline is in regular hexagon.
Using said structure, lock, which is opened, has convex edge on the periphery wall of cap upper end, opening cap when lock need to be threadedly secured in valve-rod cavity
When, convex edge can be resisted against valve-rod cavity accent end make lock open cap will not overtorquing, lock can be protected to open the outer spiral shell on cap well
The internal thread of line and valve-rod cavity, prevent lock from opening the stubborn tension of cap thread and producing permanent deformation, fastening force weakens, and causes connection to be lost
Effect；The cross section outline of convex edge is in regular hexagon, and rotation lock opens cap after convenient use tool holder, and lock opens cap and valve-rod cavity spiral shell
Line connection is more firm.
In above-mentioned Ball Valve With Lock, the lock opens body upper end and is fixedly connected with handle, and having on the handle to accommodate
Lock drives the annular groove of cap.
Using said structure, lock, which opens cap and can open body along lock, to be slid axially into annular groove, and the upper end upper surface that lock opens cap is supported
Lean against on annular groove, lock is now opened into body be inserted into valve-rod cavity and be connected with valve rod, avoid lock and open cap and valve body and occur
Interference, it is easy to connect；The external screw thread that this external lock is opened on cap is hardly damaged, and service life length, jail is threadedly coupled with valve-rod cavity
Gu.
In above-mentioned Ball Valve With Lock, the upper surface of the projection has spigot surface, the axis of the spigot surface and valve rod
Angle is 70 °~85 °, the spigot surface and each side arc transition of projection.
Using said structure, the projection that lock is opened on groove and valve rod on body can rapidly and accurately coordinate, and be not easy during cooperation
Collide with, it is not easily damaged with valve rod that lock opens body, improves connectivity robustness；Spigot surface and each side arc transition of projection, do not have
There are a corner angle, when groove coordinates with projection, be not easy to scratch lock and open body groove, lock opens body and coordinates that to be firmly less prone to skidding existing with valve rod
As.
Compared with prior art, the lock of this Ball Valve With Lock, which is opened, is arranged with lock and opens cap on body, lock opens cap thread and is connected to valve rod
On chamber inner sidewall, lock is opened and skidding is less prone to when body rotates, and lock opens body and the connectivity robustness of valve rod is high；Have on handle
The annular groove that lock opens cap can be accommodated, lock is opened body and extend into valve-rod cavity, and lock opens cap will not interfere phenomenon with valve body, and lock opens cap
On screw thread it is not easily damaged, lock opens cap and the connectivity robustness of valve-rod cavity is good；Have on projection and be easy to the spigot surface that groove is caught in,
It is easy to connect with valve rod that lock opens body, and it is not easy to wear with valve rod that lock opens body, avoids the occurrence of the phenomenon of skidding, connectivity robustness height.
Brief description of the drawings
Fig. 1 is the structural representation of this Ball Valve With Lock.
Fig. 2 is the partial enlarged drawing of this Ball Valve With Lock.
Fig. 3 is the top view of this Ball Valve With Lock valve rod.
Fig. 4 is the structural representation of this Ball Valve With Lock valve rod.
Fig. 5 is the structural representation at another visual angle of this Ball Valve With Lock valve rod.
Fig. 6 is the sectional view that this Ball Valve With Lock lock opens body.
Fig. 7 is the upward view that this Ball Valve With Lock lock opens body.
Fig. 8 is the half sectional view that this Ball Valve With Lock lock opens cap.
Fig. 9 is the upward view that this Ball Valve With Lock lock opens cap.
In figure, 1, valve body；1a, cavity；1b, valve-rod cavity；2nd, valve rod；2a, projection；2b, fixture block；2aa, spigot surface；3rd, valve
Core；3a, groove；4th, sealing ring；5th, water passage；6th, key；6a, lock open body；6aa, groove；6ab, shoulder block；6b, lock open cap；
6ba, convex edge；6bb, baffle ring；6c, handle；6ca, annular groove；7th, circlip；8th, spacing back-up ring；9th, dust cap.
Embodiment
It is specific embodiment of the utility model and with reference to accompanying drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
As shown in figure 1, a kind of Ball Valve With Lock, including valve body 1, valve rod 2 and valve element 3, valve body 1 is interior to have cavity 1a, valve element 3
It is arranged in cavity 1a, sealing ring 4 is provided between the both ends of valve element 3 and cavity 1a, there is groove 3a and through valve on valve element 3
The water passage 5 of core 3, inside upper end there is valve-rod cavity 1b, valve-rod cavity 1b to be connected with cavity 1a in valve body 1, the upper end of valve rod 2
In valve-rod cavity 1b, the lower end of valve rod 2 has and be able to can snapped onto with the fixture block 2b of the groove 3a phase clampings on valve element 3, fixture block 2b
In groove 3a.
As shown in Fig. 1, Fig. 6, Fig. 8, the upper end of valve rod 2 circumferentially fixed can be connected with the key 6 of energy rotation valve rod 2, key 6
Including opening body 6a in shaft-like lock, lock, which is opened, to be arranged with lock and opens cap 6b on body 6a, it be in sleeve-shaped that lock, which opens cap 6b, locks and opens cap 6b lower ends
There is external screw thread on lateral wall, have on valve-rod cavity 1b madial wall with locking the internal thread opened cap 6b and be engaged, lock opens cap 6b energy
Open body 6a axial movements along lock and be screwed and be connected in valve-rod cavity 1b.Lock opens the shoulder block 6ab also having on body 6a in a ring,
Lock, which is opened, has the baffle ring 6bb that can be resisted against on shoulder block 6a lower surfaces in a ring on cap 6b madial walls, lock is opened body 6a upper ends screw and consolidated
Surely handle 6c is connected with, the annular groove 6ca that lock opens cap 6b can be accommodated by having on handle 6c.The upper end of valve rod 2 has projection 2a, lock
Opening has the groove 6aa to match with projection 2a and energy axial rotation valve rod 2 on the lower surface of body 6a lower ends.
As shown in figure 1, being provided with circlip 7 in valve-rod cavity 1b, circlip 7 can play certain cushioning effect, work as lock
When opening body 6a and being inserted into valve-rod cavity 1b, the lower end that lock opens body 6a is resisted against on circlip 7, is avoided lock and is opened body 6a lower surfaces
Rubbed when rotation is contacted with valve-rod cavity 1b inwalls, the service life that lock opens body 6a is longer；Valve rod in the upper end of circlip 7
The spacing back-up ring 8 that lock opens body 6a axial rotations can be limited by being additionally provided with chamber 1b madial walls, valve rod 2 is axially turned in fixed angle
Dynamic, valve can be in and be turned on and off state；Valve-rod cavity 1b upper ends also can be threaded connection with dust cap 9, when key 6 is from valve-rod cavity 1b
After inside taking away, dust cap 9 is threaded in valve-rod cavity 1b, foreign matter is not easily accessible in valve-rod cavity 1b, and valve rod 2 is not easy
It is blocked to clog and leads to not rotate.
As shown in Fig. 3, Fig. 4, Fig. 5, in triangular prism shaped and each side arc transition, projection 2a upper ends have to be easy to projection 2a
The axis angle of the spigot surface 2aa that groove 6aa is caught in, spigot surface 2aa and valve rod 2 is 78 °, spigot surface 2aa and each sides of projection 2a
Face arc transition, groove 6aa madial wall are not susceptible to wear, and groove 6aa and projection 2a cooperations are more firm, and valve rod 2 is opened with lock
Body 6a is less prone to skidding, and connection is more firm.
As shown in Figure 8, Figure 9, lock opens the convex edge 6ba for being easy to tool holder on the periphery wall of cap 6b upper ends with convex,
Convex edge 6ba cross section outline is more than the internal diameter of valve-rod cavity 1b upper ends in regular hexagon and external diameter of a circle.
In use, being that lock is opened body 6a and is inserted into valve-rod cavity 1b by the lower end of key 6, lock is set to open the groove 6aa on body 6a
It is engaged with the projection 2a on valve rod 2, then the lock that lock is opened on body 6a opens cap 6b and rotates and be threadedly coupled in valve-rod cavity 1b, this
When be rotated further by lock open body 6a band ovable valve stem 2 rotate, so as to realize the opening and closing state of ball valve.Need to accept key 6
When, only the lock that lock is opened on body 6a need to be opened cap 6b and be produced out of valve-rod cavity 1b, then axially remove key 6 just out of valve-rod cavity 1b
Can.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement to described specific embodiment or using similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (4)
1. a kind of Ball Valve With Lock, including valve body (1), valve rod (2) and valve element (3), the valve element (3) is arranged in valve body (1), institute
Stating has valve-rod cavity (1b) inside valve body (1) upper end, valve rod (2) lower end is stretched into fixed with valve element (3) in valve-rod cavity (1b)
Connection, the circumferentially fixed key (6) for being connected with energy rotation valve rod (2) in the upper end of the valve rod (2), the key (6) is including being in
Shaft-like lock opens body (6a), and the upper end of the valve rod (2) has projection (2a), and the lock is opened to be had on body (6a) lower end lower surface
The groove (6aa) to match with projection (2a), it is characterised in that the lock, which is opened, to be arranged with lock and open cap (6b) on body (6a), described
Lock is opened cap (6b) and opened in the baffle ring (6bb) having on sleeve-shaped and madial wall in a ring, the lock on body (6a) lower end periphery wall
With that can be resisted against the shoulder block (6ab) of baffle ring (6bb) lower surface in a ring, the lock is opened cap (6b) and connected with valve-rod cavity (1b) screw thread
Connect.
2. Ball Valve With Lock according to claim 1, it is characterised in that it is described lock open on the periphery wall of cap (6b) upper end have to
The convex edge (6ba) of evagination, the cross section outline of the convex edge (6ba) is in regular hexagon.
3. Ball Valve With Lock according to claim 2, it is characterised in that the lock opens body (6a) upper end and is fixedly connected with handle
(6c), the annular groove (6ca) that lock opens cap (6b) can be accommodated by having on the handle (6c).
4. Ball Valve With Lock according to claim 1, it is characterised in that the upper end of the projection (2a) has spigot surface
The axis angle of (2aa), the spigot surface (2aa) and valve rod (2) is 70 °~85 °, the spigot surface (2aa) and projection (2a)
Each side arc transition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720587949.5U CN206889732U (en) | 2017-05-24 | 2017-05-24 | Ball valve with lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720587949.5U CN206889732U (en) | 2017-05-24 | 2017-05-24 | Ball valve with lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206889732U true CN206889732U (en) | 2018-01-16 |
Family
ID=61320124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720587949.5U Active CN206889732U (en) | 2017-05-24 | 2017-05-24 | Ball valve with lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206889732U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109163111A (en) * | 2018-09-19 | 2019-01-08 | 浙江中德自控科技股份有限公司 | A kind of willing fire-type emergency cut-off ball valve |
-
2017
- 2017-05-24 CN CN201720587949.5U patent/CN206889732U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109163111A (en) * | 2018-09-19 | 2019-01-08 | 浙江中德自控科技股份有限公司 | A kind of willing fire-type emergency cut-off ball valve |
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