CN107131337A - A kind of Locking valve - Google Patents
A kind of Locking valve Download PDFInfo
- Publication number
- CN107131337A CN107131337A CN201710185120.7A CN201710185120A CN107131337A CN 107131337 A CN107131337 A CN 107131337A CN 201710185120 A CN201710185120 A CN 201710185120A CN 107131337 A CN107131337 A CN 107131337A
- Authority
- CN
- China
- Prior art keywords
- valve
- protective cover
- opening
- cover plate
- lock body
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/12—Covers for housings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K35/00—Means to prevent accidental or unauthorised actuation
- F16K35/06—Means to prevent accidental or unauthorised actuation using a removable actuating or locking member, e.g. a key
Abstract
A kind of Locking valve, opening and closing element including valve body, in valve body and the valve rod being connected with opening and closing element, valve body is provided with mesopore, valve rod one end runs through mesopore and is connected with valve switch, the valve upper cover has a protective cover, protective cover side is provided with opening, and valve switch, mesopore, the valve rod one end for running through mesopore are all located in protective cover；The protective cover bottom is provided with a U-shaped mouth；The U-shaped mouth both sides are provided with mutually symmetrical slideway；The opening is provided with an installation step；A cover plate is stamped on the installation step, opening is covered closing by cover plate；The cover plate bottom is provided with a slide matched with slideway.The Locking valve of the present invention can hide lock core with lockhole, it is to avoid other people destroy to lock core with lockhole, and during valve switch is locked extruding will not be caused to destroy to valve switch, it is ensured that the service life of valve when carrying out locked to valve switch.
Description
Technical field
The present invention relates to a kind of Locking valve.
Background technology
The opening and closing element of valve is rotated by valve rod drives regulation and control that fluid can be achieved, and the rotation of valve rod then passes through
Connected valve switch is come what is controlled, and the valve switch of conventional valves is then all exposed to outside valve, and anyone is
The rotation of valve rod can be controlled by operating valve switch, if therefore valve switch should be the position being closed
When, opened without authorization by people, then can cause the waste of fluid, when serious, it could even be possible to triggering unexpected, in order to solve above-mentioned ask
Topic, all can be locked to valve switch progress by locking device, it is not rotated, traditional locking device is stuck in by lock core
Complete lock function in lockhole, but be due to the limitation of structure, the position of lock core and lockhole is all located at towards external position, once have
People deliberately destroys, and just easily locking device can be caused to damage, be unfavorable for protecting valve, and general locking device pair
When valve carries out locked, situation about upwarping occurs in its own structure, extrudes being lifted on valve switch, causes the damage of valve switch
Wound, influences the service life of valve.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of Locking valve, it can when carrying out locked to valve switch,
Lock core can be hidden with lockhole, it is to avoid other people destroy to lock core with lockhole, and will not during valve switch is locked
Extruding is caused to destroy to valve switch, it is ensured that the service life of valve.
The present invention solve the technical scheme that uses of above-mentioned technical problem for：
The present invention discloses a kind of Locking valve, including valve body, the opening and closing element in valve body and the valve being connected with opening and closing element
Bar, valve body is provided with mesopore, and valve rod one end runs through mesopore and is connected with valve switch, it is characterised in that：The valve upper cover
There is a protective cover, protective cover side is provided with opening, valve switch, mesopore, the valve rod one end for running through mesopore are all located at protective cover
It is interior；The protective cover bottom is provided with a U-shaped mouth；The U-shaped mouth both sides are provided with mutually symmetrical slideway；The opening is provided with one
Installation step；A cover plate is stamped on the installation step, opening is covered closing by cover plate；The cover plate bottom is provided with one and slideway
The slide matched；The cover plate is provided with a lock body, and lock body is provided with a lock core；Lock body is inserted by a key to carry out it
Turn, can make lock core stretched out out of lock body or retraction lock body in；The protective cover bottom is corresponding with lock core position provided with one
Lockhole, lock core is erect and inserted in lockhole in radial position；The protective cover upper wall is pressed on above valve switch, and lock body is contradicted
Below valve switch.
The opening and closing element is flashboard, and valve switch is handwheel；The handwheel is located in protective cover；The lock body is contradicted in hand
Take turns lower surface；A limited step is provided with the protective cover, limited step is contacted at below handwheel.
The opening and closing element is spheroid, and valve switch is handle；The mesopore both sides are provided with limited block；The limited block and hand
Gap between handle forms a neck；Outwardly on the outside of the slide of the cover plate to have a clamp, clamp is sticked in neck；Institute
State side of the protective cover provided with opening and be provided with a breach matched with handle, handle is stuck in breach；The cover plate upper side edge
Breach is enclosed closing by edge；The lock body contradicts the lower surface in handle.
The caulking groove mutually chimeric with lock body is provided with the protective cover.
The beneficial effects of the invention are as follows：
Compared with prior art, valve body can be locked with cover plate split by protective cover using the Locking valve of structure of the present invention
Extremely, unrelated person is made to be operated to valve switch, it is to avoid unexpected to occur, lock core of the invention is perpendicular in radial position
Stand and insert in lockhole, and valve is all installed on by wall and extremely near position, therefore in practical application, lock core and lock from the ground
Hole under normal conditions, can not observe the presence of lock core and lockhole, lock core is obtained with lockhole at all in lower position
To hiding, it is to avoid found by other people, even and if other people it can be found that underlying lock core and lockhole, between valve and ground
Under the limitation in small space, lock core can not be destroyed with lockhole at all, it is to avoid because lock core and lockhole cause by people outwardly
The situation of destruction.
Brief description of the drawings
Fig. 1 is the structural representation of an angle of Locking valve embodiment one of the present invention；
Fig. 2 is the structural representation of another angle of Locking valve embodiment one of the present invention；
Fig. 3 is the structural representation of an angle of Locking valve embodiment two of the present invention；
Fig. 4 is the structural representation of another angle of Locking valve embodiment two of the present invention.
Embodiment
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description：
Embodiment one, refers to Fig. 1, Fig. 2, and the present invention provides the present invention and discloses a kind of Locking valve, including valve body 1, located at valve
Opening and closing element in body 1 and the valve rod 2 being connected with opening and closing element, valve body 1 are provided with mesopore 3, and mesopore 3 is run through in the one end of valve rod 2
And be connected with valve switch, the valve body 1 and be stamped a protective cover 4, the side of protective cover 4 is provided with opening 5, valve switch, mesopore
3rd, the one end of valve rod 2 for running through mesopore 3 is all located in protective cover 4；The bottom of protective cover 4 is provided with a U-shaped mouth 6；The U-shaped mouth
6 both sides are provided with mutually symmetrical slideway 7；The opening 5 is provided with an installation step 8；A cover plate is stamped on the installation step 8
9, opening 5 is covered closing by cover plate 9；The bottom of cover plate 9 is provided with a slide 10 matched with slideway 7；Set on the cover plate 9
There is a lock body 11, lock body 11 is provided with a lock core 12；By a key insert lock body 11 turn is carried out to it, can make lock core 12 from
In the interior stretching of lock body 11 or retraction lock body 11；The bottom of protective cover 4 is provided with a lockhole 13 corresponding with the position of lock core 12, lock
Core 12 is erect and inserted in lockhole 13 in radial position；The upper wall of protective cover 4 is pressed on above valve switch, and lock body 11 is contradicted
Below valve switch.
The opening and closing element is flashboard, and valve switch is handwheel 14；The handwheel 14 is located in protective cover 4；The lock body 11
Contradict in the lower surface of handwheel 14；A limited step 401 is provided with the protective cover 4, limited step 401 is contacted under handwheel 14
Side.
The caulking groove 15 mutually chimeric with lock body 11 is provided with the protective cover 4.
The application method of embodiment one is as follows：
When needing to use valve, can carry out turn to lock body 11 by key makes lock core 12 towards retraction in lock body 11, now locks
Core 12 spins off out of lockhole 13, is not reconnected between protective cover 4 and cover plate 9, staff can by external force by cover plate 9 from
Installation step 8 on protective cover 4 is removed, and cover plate 9 is separated with protective cover 4, and protective cover 4 is after the limitation of cover plate 9 is lost, protection
Cover 4 can be skidded off by opening 5 and U-shaped mouth 6 from valve body 1 to be separated with it, then can be according to actually required to handwheel
14 are rotated.
When handwheel 14 needs again to protect valve after the completion of rotating, staff can hold protective cover 4, make protection
The opening 5 of cover 4 now moves protective cover 4 towards handwheel 14, makes protective cover 4 constantly towards the movement of the direction of handwheel 14, until protection
Cover 4 all covers the mesopore 3 of handwheel 14, valve body 1 in the inner, and because the bottom of protective cover 4 is provided with U-shaped mouth 6, therefore protective cover 4 can
Displacement is smoothly carried out, then cover plate 9 is moved by the track of slideway 7 of the slide 10 on protective cover 4, when cover plate 9 is covered
When closing on the installation step 8 of protective cover 4, the lock body 11 on cover plate 9 is contradicted below handwheel 14, then passes through key pair
Lock body 11 carries out turn, lock core 12 is stretched out out of lock body 11, and gos deep into lockhole 13, as lock core 12 inserts in lockhole 13
Interior, protective cover 4 is fixedly connected with cover plate 9, under the application of external force, also can not be separated protective cover 4 with cover plate 9, now valve
Locked under protective cover 4 and the split of cover plate 9 effect, the handwheel 14 that making other people can not be pointed in protective cover 4 is operated, and is risen
To protective effect, it is to avoid because unrelated person opens the unexpected situation about occurring that causes, and the upper wall of protective cover 4 and lock body 11,
Under the limitation of limited step 401, protective cover 4 can not be moved up and down, and can be firmly fixed on valve body 1, it is ensured that locked
Effect.
Embodiment 2, refers to Fig. 3, Fig. 4, and the present invention discloses a kind of Locking valve, including valve body 1, in valve body 1
Opening and closing element and the valve rod 2 being connected with opening and closing element, valve body 1 are provided with mesopore 3, and the one end of valve rod 2 is run through mesopore 3 and is connected with
It is stamped a protective cover 4 on valve switch, the valve body 1, the side of protective cover 4 is provided with opening 5, valve switch, mesopore 3, runs through
One end of valve rod 2 of mesopore 3 is all located in protective cover 4；The bottom of protective cover 4 is provided with a U-shaped mouth 6；The both sides of U-shaped mouth 6 are set
There is mutually symmetrical slideway 7；The opening 5 is provided with an installation step 8；A cover plate 9, cover plate 9 are stamped on the installation step 8
Opening 5 is covered into closing；The bottom of cover plate 9 is provided with a slide 10 matched with slideway 7；The cover plate 9 is provided with a lock
Body 11, lock body 11 is provided with a lock core 12；Lock body 11 is inserted by a key turn is carried out to it, lock core 12 can be made from lock body 11
In interior stretching or retraction lock body 11；The bottom of protective cover 4 is provided with a lockhole 13 corresponding with the position of lock core 12, lock core 12
Erect and insert in lockhole 13 in radial position；The upper wall of protective cover 4 is pressed on above valve switch, and lock body 11 contacts at valve
Switch lower section.
The opening and closing element is spheroid, and valve switch is handle 16；The both sides of mesopore 3 are provided with limited block 17；It is described spacing
Gap between block 17 and handle 16 forms a neck 18；The outside of slide 10 of the cover plate 9 is outwardly a clamp 19, card
Plate 19 is sticked in neck 18；Side of the protective cover 4 provided with opening 5 is provided with a breach 20 matched with handle 16, hand
Handle 16 is stuck in breach 20；Breach 20 is enclosed closing by the upper side edge of cover plate 9 edge；The lock body 11 is contradicted under handle 16
Surface.
The caulking groove 15 mutually chimeric with lock body 11 is provided with the protective cover 4.
The application method of embodiment two is as follows：
When needing to use valve, can carry out turn to lock body 11 by key makes lock core 12 towards retraction in lock body 11, now locks
Core 12 spins off out of lockhole 13, is not reconnected between protective cover 4 and cover plate 9, staff can by external force by cover plate 9 from
Removed on the installation step 8 of protective cover 4, cover plate 9 is separated with protective cover 4, protective cover 4 is after the limitation of cover plate 9 is lost, protection
Cover 4 can be skidded off by opening 5 and U-shaped mouth 6 from valve body 1 to be separated with it, then can be according to actually required to handle
16 are rotated.
When handle 16 needs again to protect valve after the completion of rotating, staff can hold protective cover 4, make protection
The opening 5 of cover 4 is moved towards handle 16, makes protective cover 4 constantly towards the movement of the direction of handle 16, until protective cover 4 is by valve
The end that the mesopore 3 of body 1, the one end of valve rod 2 for running through mesopore 3, handle 16 are connected with valve rod 2 is all covered in the inner, now hand
Handle 16 is stuck in breach 20, and when handle 16 is stuck in breach 20, handle 16 just can not rotate again, due to the bottom of protective cover 4
Portion is provided with U-shaped mouth 6, therefore protective cover 4 can smoothly carry out displacement, then cover plate 9 by slide 10 on protective cover 4
The track of slideway 7 is moved, and when cover plate 9 is covered on the installation step 8 of protective cover 4, the lock body 11 on cover plate 9 is contradicted
Below handle 16, clamp 19 is then stuck in neck 18, when the lock body 11 for contacting at the lower section of handle 16 is carried out upwards to handle 16
When lifting extruding, clamp 19 can be then limited moving up for lock body 11, make it can not carry out lifting extruding upwards to handle 16,
Handle 16 is played a protective role, it is to avoid handle 16 is damaged.
Then turn is carried out to lock body 11 by key, lock core 12 is stretched out out of lock body 11, and goed deep into lockhole 13,
As lock core 12 is inserted in lockhole 13, protective cover 4 is fixedly connected with cover plate 9, under the application of external force, also can not be by protective cover 4
Separated with cover plate 9, now valve is locked under protective cover 4 and the split of cover plate 9 effect, and breach 20 is enclosed on the upper side edge of cover plate 9 edge
Closing is closed, is operated handle 16 is firmly stuck in breach 20, making other people can not be pointed to handle 16, plays protection work
With, it is to avoid being opened due to unrelated person causes unexpected situation about occurring, and under the limitation of the upper wall of protective cover 4 and lock body 11,
Protective cover 4 can not be moved up and down, and can be firmly fixed on valve body 1, it is ensured that locked effect.
In summary understand, the present invention can be locked by valve body 1 with the split of cover plate 9 by protective cover 4, make unrelated person without
Method is operated to valve switch, it is to avoid unexpected to occur, and lock core 12 of the invention is erect in radial position and inserts in lockhole
In 13, and valve is all installed on by wall and extremely near position, therefore in practical application, lock core 12 and lockhole 13 are all located from the ground
In lower position, under normal conditions, the presence of lock core 12 and lockhole 13 can not be observed at all, make lock core 12 and lockhole 13
Hidden, it is to avoid found by other people, even and if other people it can be found that underlying lock core 12 and lockhole 13, in valve and ground
Under the limitation in the small space between face, lock core 12 can not be destroyed with lockhole 13 at all, it is to avoid due to lock core 12 and lock
Hole 13 causes situation about being destroyed by people outwardly.
The caulking groove 15 mutually chimeric with lock body 11 is provided with protective cover 4, the presence of caulking groove 15 can make protective cover 4 and cover plate 9
The chimeric for connecting through lock body 11 and caulking groove 15 more consolidate, it is ensured that its performance.
The lock structure that conventional valves have all is standard configuration, once the lock structure is moved on into other kinds of valve
On just can not use, or inherently with locking functions valve it is different from the structure of other valves, locking can not be carried out at all
The parts, even if the parts are removed, can not also be attached on other valves, make it have locking work(by the transfer of function
Can, and it is of the present invention then can be applied on different valves from the lock structure that cover plate split is formed by protective cover, do not limit to
Ball valve described in the type of valve, such as gate valve described in embodiment one and embodiment two, more can mount to other without assembling
Lock structure does not possess on the valve of locking functions itself, other valves is also possessed locking functions, with very strong simultaneous
Capacitive, beneficial to market universalness, ensures the utilization rate of lock structure of the present invention, improves its cost performance to the full extent.
Claims (4)
1. on a kind of Locking valve, including valve body, the opening and closing element in valve body and the valve rod being connected with opening and closing element, valve body
Provided with mesopore, valve rod one end runs through mesopore and is connected with valve switch, it is characterised in that：The valve upper cover has a protection
Cover, protective cover side is provided with opening, valve switch, mesopore, runs through valve rod one end of mesopore all in protective cover；It is described anti-
Shield bottom is provided with a U-shaped mouth；The U-shaped mouth both sides are provided with mutually symmetrical slideway；The opening is provided with an installation step；
A cover plate is stamped on the installation step, opening is covered closing by cover plate；What the cover plate bottom matched provided with one with slideway
Slide；The cover plate is provided with a lock body, and lock body is provided with a lock core；Lock body is inserted by a key turn is carried out to it, can
Make lock core stretched out out of lock body or retraction lock body in；The protective cover bottom is provided with a lockhole corresponding with lock core position, lock
Core is erect and inserted in lockhole in radial position；The protective cover upper wall is pressed on above valve switch, and lock body contacts at valve
Switch lower section.
2. a kind of Locking valve according to claim 1, it is characterised in that：The opening and closing element is flashboard, and valve switch is
Handwheel；The handwheel is located in protective cover；The lock body is contradicted in handwheel lower surface；A limiting stand is provided with the protective cover
Rank, limited step is contacted at below handwheel.
3. a kind of Locking valve according to claim 1, it is characterised in that：The opening and closing element is spheroid, and valve switch is
Handle；The mesopore both sides are provided with limited block；Gap between the limited block and handle forms a neck；The cunning of the cover plate
Seat outside is outwardly a clamp, and clamp is sticked in neck；Side of the protective cover provided with opening is provided with one and handle
The breach matched, handle is stuck in breach；Breach is enclosed closing by the cover plate upper side edge edge；The lock body is contradicted in handle
Lower surface.
4. a kind of Locking valve according to Claims 2 or 3, it is characterised in that：It is provided with and lock body phase in the protective cover
Chimeric caulking groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710185120.7A CN107131337B (en) | 2017-03-25 | 2017-03-25 | Locking valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710185120.7A CN107131337B (en) | 2017-03-25 | 2017-03-25 | Locking valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107131337A true CN107131337A (en) | 2017-09-05 |
| CN107131337B CN107131337B (en) | 2023-04-18 |
Family
ID=59721447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710185120.7A Active CN107131337B (en) | 2017-03-25 | 2017-03-25 | Locking valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107131337B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630752A (en) * | 2019-09-05 | 2019-12-31 | 李彩华 | Convenient butterfly valve with waterproof function |
| CN111219528A (en) * | 2020-02-12 | 2020-06-02 | 西安盛恒智业物联网科技有限公司 | Protection method for water heating house-service valve |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200993264Y (en) * | 2006-12-15 | 2007-12-19 | 赵清荣 | Valve protection device |
| KR20090001629U (en) * | 2007-08-16 | 2009-02-19 | 김준호 | Device for sealing water facet |
| CN201448513U (en) * | 2009-04-01 | 2010-05-05 | 刘师铭 | Pipeline valve gate lock |
| CN206592611U (en) * | 2017-03-25 | 2017-10-27 | 名盾有限公司 | A kind of Locking valve |
-
2017
- 2017-03-25 CN CN201710185120.7A patent/CN107131337B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200993264Y (en) * | 2006-12-15 | 2007-12-19 | 赵清荣 | Valve protection device |
| KR20090001629U (en) * | 2007-08-16 | 2009-02-19 | 김준호 | Device for sealing water facet |
| CN201448513U (en) * | 2009-04-01 | 2010-05-05 | 刘师铭 | Pipeline valve gate lock |
| CN206592611U (en) * | 2017-03-25 | 2017-10-27 | 名盾有限公司 | A kind of Locking valve |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630752A (en) * | 2019-09-05 | 2019-12-31 | 李彩华 | Convenient butterfly valve with waterproof function |
| CN110630752B (en) * | 2019-09-05 | 2021-02-09 | 江苏明江阀业有限公司 | Convenient butterfly valve with waterproof function |
| CN111219528A (en) * | 2020-02-12 | 2020-06-02 | 西安盛恒智业物联网科技有限公司 | Protection method for water heating house-service valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107131337B (en) | 2023-04-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206592611U (en) | A kind of Locking valve | |
| CN107131337A (en) | A kind of Locking valve | |
| KR20130118352A (en) | Hard seal plug valve | |
| CN100425892C (en) | Valve with cipher lock | |
| CN104089039B (en) | Improved anti-theft valve | |
| CN201502697U (en) | Expansible ring type quick-opening blind plate | |
| CN104481277A (en) | Signal control electric hook lock | |
| CN204609812U (en) | Coordinated type continuous circulation valve | |
| CN103353015A (en) | Multifunctional magnetic valve lock | |
| CN2566084Y (en) | Magnetic controlled lock valve | |
| CN2916293Y (en) | Valve with coded lock | |
| CN206941652U (en) | A kind of municipal anti-stealing manhole cover | |
| CN2844341Y (en) | Seal coded lock | |
| CN203240077U (en) | Inner thread ball valve | |
| CN203979465U (en) | Improved anti-theft valve | |
| CN209654725U (en) | A kind of dual locking ball valve of magnetic | |
| CN104563615B (en) | Mechanical door lock password protection device and door lock | |
| CN203906993U (en) | Small-flow anti-theft ball valve | |
| CN105909086A (en) | Combination of anti-theft padlock and key | |
| CN104763365A (en) | Linkage type continuous circulating valve | |
| CN219639623U (en) | Safety gate valve | |
| CN203348709U (en) | Multifunctional magnetic valve lock | |
| CN203462847U (en) | Lock cylinder structure | |
| CN204114320U (en) | Valve for guarding against theft | |
| CN202868027U (en) | Anti-theft valve locking device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |