CN113217701A - Double-safety valve against being opened by theft - Google Patents
Double-safety valve against being opened by theft Download PDFInfo
- Publication number
- CN113217701A CN113217701A CN202110578752.6A CN202110578752A CN113217701A CN 113217701 A CN113217701 A CN 113217701A CN 202110578752 A CN202110578752 A CN 202110578752A CN 113217701 A CN113217701 A CN 113217701A
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- magnetic
- valve
- lock
- column
- magnetic block
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- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 239000012530 fluid Substances 0.000 claims abstract description 9
- 230000005389 magnetism Effects 0.000 claims description 9
- 210000002105 tongue Anatomy 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000009977 dual effect Effects 0.000 claims 1
- 238000004891 communication Methods 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 5
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- 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
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- 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
- F16K35/16—Means to prevent accidental or unauthorised actuation with locking member actuated by magnet
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Preventing Unauthorised Actuation Of Valves (AREA)
Abstract
本发明提出一种双保险防盗开阀门，包括阀体，所述阀体内开设有贯通的流体通道，所述流体通道内转动安装有带有连通孔的阀球，所述阀球的顶部固定安装有阀杆，所述阀体的顶部转动安装有锁头，所述阀体内位于锁头和阀杆之间纵向滑动安装有磁块和磁柱，磁块与磁柱的磁性相反，所述磁柱穿设在所述磁块的中央处，所述磁柱的横截面为正多边形，磁块上开设有相同截面的穿孔，即磁柱相对于磁块纵向滑动，且磁块带动磁柱转动，所述磁块与锁头之间具有第三联动机构，该第三联动机构用于使磁块上移至最高位时与所述锁头结合并联动，当磁块位于最低位时，磁块与锁头脱离，所述磁柱远离锁头的一端固定安装有圆板，所述圆板与所述阀杆之间具有第一联动机构。
The present invention proposes a double-safety anti-theft opening valve, which includes a valve body, a through fluid channel is opened in the valve body, a valve ball with a communication hole is rotatably installed in the fluid channel, and the top of the valve ball is fixedly installed There is a valve stem, the top of the valve body is rotatably installed with a lock head, and a magnetic block and a magnetic column are installed longitudinally slidingly between the lock head and the valve stem in the valve body. The column is penetrated in the center of the magnetic block, the cross section of the magnetic column is a regular polygon, and the magnetic block is provided with a perforation of the same cross-section, that is, the magnetic column slides longitudinally relative to the magnetic block, and the magnetic block drives the magnetic column to rotate , There is a third linkage mechanism between the magnet block and the lock head, the third linkage mechanism is used to make the magnet block move up to the highest position and combine with the lock head and link with the lock head, when the magnet block is at the lowest position, the magnetic block The block is disengaged from the lock head, a circular plate is fixedly installed at one end of the magnetic column away from the lock head, and a first linkage mechanism is provided between the circular plate and the valve stem.
Description
Technical Field
The invention relates to a valve, in particular to a double-safety anti-theft valve.
Background
At present, ball valves are widely used in civil fields and industrial fields such as petroleum and chemical industry. For example, in the civil field, ball valves have become indispensable control components in water supply and gas systems of residential buildings. However, the existing ball valve cannot limit the opening and closing operation of the ball valve in the using process, the opening and closing structure protrudes out of the valve body, the ball valve is not provided with a protection device and is easy to be damaged and stolen, and any person who can contact the ball valve can open or close the ball valve at will, in order to solve the problems, the utility model with the patent number of 201520640834.9 discloses a magnetic locking ball valve, the ball valve comprises a valve body, a ball core and a valve rod which are arranged in the valve body, the inner end of the valve rod is connected with the ball core, the upper end of the valve body is provided with a connecting part, the outer end of the valve rod extends upwards out of the connecting part, the inner side of a hand wheel is provided with a first positioning hole, a spring and a first magnet block are arranged in the positioning hole, a second positioning hole which is right opposite to the first positioning hole is arranged on the connecting part of the valve body, the inner end of the first magnet block extends out of the hand wheel and into the second positioning hole under the elastic force action of the spring, the magnetic locking ball valve further comprises a key which can be connected on the hand wheel, correspond in the key and be equipped with the magnetic path two opposite with magnetic path magnetism, the upper end of the connecting portion of valve body is outer along offering and presenting curved spacing breach, restricts the valve rod of ball valve through the magnetism lock head and opens to prevent that other people from stealing to open, nevertheless still have following defect during its use:
the ball valve only has the one-level magnetic lock, and the structure is simple, so that the valve can still be opened through the single-level magnetic block, and the anti-theft grade of the ball valve is low.
Disclosure of Invention
Therefore, in order to solve the above problems, the present invention provides a double-safety anti-theft valve.
In order to realize the technical problem, the invention adopts the solution that the double-insurance anti-theft valve comprises a valve body, a through fluid channel is arranged in the valve body, a valve ball with a communicating hole is rotatably arranged in the fluid channel, a valve rod is fixedly arranged at the top of the valve ball, a lock head is rotatably arranged at the top of the valve body, a magnetic block and a magnetic column are longitudinally and slidably arranged between the lock head and the valve rod in the valve body, the magnetism of the magnetic block is opposite to that of the magnetic column, the magnetic column is arranged at the center of the magnetic block in a penetrating way, the cross section of the magnetic column is a regular polygon, through holes with the same section are arranged on the magnetic block, namely, the magnetic column longitudinally slides relative to the magnetic block, the magnetic block drives the magnetic column to rotate, a third linkage mechanism is arranged between the magnetic block and the lock head and is used for combining and linking the lock head when the magnetic block moves upwards to the highest position, when the magnetic block is positioned at the lowest position, the magnetic block is separated from the lock head, a circular plate is fixedly installed at one end, far away from the lock head, of the magnetic column, a first linkage mechanism is arranged between the circular plate and the valve rod and used for enabling the magnetic column to be combined and linked with the valve rod when moving downwards to a low position, the magnetic column is separated from the valve rod when moving upwards to a high position, and a spring is arranged between the circular plate and the valve rod and enables the magnetic column to be jacked upwards and kept in a high position state.
The further improvement is that: the first linkage mechanism comprises a first limiting column and a first limiting hole, the first limiting column is fixedly mounted on the circular plate, and the corresponding position of the valve rod is arranged in the first limiting hole.
The further improvement is that: the third linkage mechanism comprises a third limiting column and a third limiting hole, the third limiting column is fixedly mounted on the magnetic block, and the third limiting hole is formed in the lock head.
The further improvement is that: the lock comprises a lock body, a lock chamber and a switch device, wherein the lock chamber is arranged in the lock head, the lock body is assembled in the lock chamber, lock holes for inserting lock tongues of the lock body are formed in the peripheral side of the valve body, the switch device is electrically connected with the lock body and used for controlling the lock body to be switched on and off, and the switch device is arranged between a magnetic block and a circular plate.
The further improvement is that: the switch device comprises a travel switch and a contact, the travel switch is fixedly installed on a circular plate, an L-shaped plate is installed at the bottom of the magnetic block and penetrates through the circular plate, and the contact is fixedly installed on the L-shaped plate and corresponds to the travel switch in position.
The invention also provides an encryption wrench, which is matched with the double-insurance anti-theft valve as claimed in claim 1 for use, wherein a second linkage mechanism is arranged between the encryption wrench and the lock head so as to enable the encryption wrench to be linked with the lock head, an opening for buckling the encryption wrench is arranged on the lock head, the encryption wrench comprises a magnetic ring positioned outside and a magnet positioned in the magnetic ring, wherein the magnetic ring and the magnet are attracted in opposite polarities, and the magnet and the magnetic column are repelled in the same polarity.
The further improvement is that: a second linkage mechanism is arranged between the encryption wrench and the lock head, and the second linkage mechanism comprises a second limiting hole positioned on the lock head and a magnetic limiting column which sets a magnet on the encryption wrench to be matched with the second limiting hole.
By adopting the technical scheme, the invention has the beneficial effects that:
1. the invention adopts a two-stage opposite magnetic body, namely the sliding sleeve connection and circumferential linkage of the magnetic block and the magnetic column, and adopts a bidirectional synchronous linkage mechanism, namely the linkage of the magnetic block and the lock head and the linkage of the magnetic column and the valve rod, thereby realizing the synchronous linkage of the switch valve, and also adopting a double-magnetic-level design on a special encryption wrench, thereby greatly improving the safety and the anti-theft performance;
2. according to the invention, the lock body is arranged in the lock head, the lock hole is formed in the flash body, and the switch device for controlling the lock body to be opened and closed is arranged between the circular plate and the magnetic block, so that the lock head can be prevented from being randomly rotated on the one hand, and the lock head can be prevented from being rotated by a common single-magnetic-level encryption wrench on the other hand, so that the safety is further improved and the service life of the lock head is further prolonged.
Drawings
Fig. 1 is a schematic structural diagram of a double-safety anti-theft valve according to an embodiment of the invention.
Fig. 2 is a partial enlarged view of the double-safety anti-theft valve according to the embodiment of the invention.
Fig. 3 is a schematic structural diagram of a wrench according to an embodiment of the present invention.
In the figure: the valve comprises a valve body 1, a fluid channel 2, a valve ball 3, a valve rod 4, a first limit hole 5, a first limit column 6, a circular plate 7, a magnetic block 8, a magnetic column 9, a lock body 10, a lock bank 11, a lock head 12, a second limit hole 13, an opening 14, an encryption wrench 15, a magnetic limit column 16, a magnetic ring 17, a lock bank end plate 18, a lock hole 19, a third limit hole 20, a third limit column 21, a spring 22, an L-shaped plate 23, a contact 24 and a travel switch 25.
Detailed Description
The invention will now be further described with reference to the accompanying drawings and specific embodiments.
The first embodiment is as follows:
referring to fig. 1 and 2, the embodiment of the invention discloses a double-safety anti-theft valve, which includes a valve body 1, a through fluid channel 2 is formed in the valve body 1, a valve ball 3 with a communication hole is rotatably mounted in the fluid channel 2, a valve rod 4 is fixedly mounted at the top of the valve ball 3, the valve rod 4 is used for driving the valve ball 3 to rotate so as to realize valve opening or valve closing, a lock head 12 is rotatably mounted at the top of the valve body 1, a magnetic block 8 and a magnetic pillar 9 are longitudinally slidably mounted between the lock head 12 and the valve rod 4 in the valve body 1, the magnetic block 8 and the magnetic pillar 9 have opposite magnetism, the magnetic pillar 9 is arranged at the center of the magnetic block 8 in a penetrating manner, the cross section of the magnetic pillar 9 is a regular polygon, such as a square, a regular pentagon or a regular hexagon, the magnetic block 8 is provided with through holes with the same section, that the magnetic pillar 9 can longitudinally slide relative to the magnetic pillar 8, and the magnetic pillar 9 can be driven by the magnetic block 8 to rotate, and a third linkage mechanism is arranged between the magnetic block 8 and the lock head 12, and is used for combining and linking the magnetic block 8 with the lock head 12 when the magnetic block 8 moves upwards to the highest position, and separating the magnetic block 8 from the lock head 12 when the magnetic block 8 is positioned at the lowest position.
A circular plate 7 is fixedly mounted at one end of the magnetic column 9 far away from the lock head 12, a first linkage mechanism is arranged between the circular plate 7 and the valve rod 4, the first linkage mechanism is used for enabling the magnetic column 9 to be combined and linked with the valve rod 4 when moving downwards to a low position, the magnetic column 9 is separated from the valve rod 4 when moving upwards to a high position, a spring 22 is arranged between the circular plate 7 and the valve rod 4, and the spring 22 enables the magnetic column 9 to be jacked upwards and kept in a high position state.
The double-safety anti-theft valve in this embodiment is further equipped with a special encryption wrench 15 matched with the lock head 12, a second linkage mechanism is provided between the encryption wrench 15 and the lock head 12 so as to enable the encryption wrench 15 to be linked with the lock head 12, and the lock head 12 is provided with an opening 14 for the encryption wrench 15 to be buckled in.
Referring to fig. 3, the encryption wrench 15 includes an external magnetic ring 17 and a magnet located in the magnetic ring 17, wherein the magnetic ring 17 and the magnetic block 8 are attracted in opposite polarities, the magnet is repelled from the same polarity of the magnetic pole 9, when the encryption wrench 15 is fastened to the lock head 12, the encryption wrench 15 is linked with the lock head through a second linkage mechanism, the lock head 12 can be driven to rotate by the encryption wrench 15, and at this time, the magnetic ring 17 on the encryption wrench 15 and the magnetic block 8 are attracted in opposite polarities, so that the magnetic block 8 slides upwards and is linked with the lock head 12 through a third linkage mechanism, and the lock head 12 is driven to rotate by the magnetic block 8. It repels with the same polarity of magnetism post 9 to encrypt magnet on the spanner 15 to make magnetism post 9 extrude downwards and through the linkage of first link gear and valve rod 4, and circumference synchronous rotation between magnetism post 9 and the magnetic path 8, and then make and encrypt spanner 15, tapered end 12, magnetic path 8, magnetism post 9 and valve rod 4 and form circumference linkage, thereby make and encrypt spanner 15 drive valve rod 4 and rotate, finally drive valve ball 3 and rotate, in order to accomplish the ooff valve.
The double-safety anti-theft valve adopts a two-stage opposite magnet, namely, the sliding sleeve connection and the circumferential linkage of the magnetic block 8 and the magnetic column 9, and adopts a bidirectional synchronous linkage mechanism, namely, the linkage of the magnetic block 8 and the lock head 12 and the linkage of the magnetic column 9 and the valve rod 4, so that the synchronous linkage switch valve is realized, and the double-magnetic-stage design is also adopted on the special encryption wrench 15, so that the safety and the anti-theft performance are greatly improved.
In this embodiment, specifically, the first linkage mechanism includes a first limiting column 6 and a first limiting hole 5, wherein the first limiting column 6 is fixedly mounted on a circular plate 7, and the first limiting hole 5 is provided with a corresponding position of the valve rod 4. The third linkage mechanism comprises a third limiting column 21 and a third limiting hole 20, the third limiting column 21 is fixedly mounted on the magnetic block 8, and the third limiting hole 20 is provided with the lock head 12. The second linkage mechanism comprises a second limiting hole 13 on the lock head 12 and a magnetic limiting column 16 which sets the magnet on the encryption wrench 15 to match with the second limiting hole 13.
On the basis of the above embodiment, the lock 12 of the double-safety anti-theft valve is internally provided with a lock chamber 11, the lock chamber 11 is internally provided with a lock body 10, a lock chamber end plate 18 of the lock chamber 11 is positioned at the inner side of the lock 12 so as to prevent the lock body 10 from being violently disassembled from the outside, the periphery of the valve body 1 is provided with a lock hole 19 for inserting a lock tongue of the lock body 10, the double-safety anti-theft valve further comprises a switch device which is electrically connected with the lock body 10 and is used for controlling the switch of the lock body 10, the switch device is arranged between the magnetic block 8 and the circular plate 7, namely when the magnetic block 8 and the circular plate 7 move in opposite directions and are in a linkage state, the switch device is triggered to control the lock body 10 to be unlocked, the lock 12 is released and freely rotated, the design is used for preventing the lock 12 from being freely rotated, and the switch device cannot be triggered by using a common, and then increase a theft-proof protective screen again, further improve the security, protect the tapered end 12 from being rotated at will at the same time, improve its life.
Specifically, the switch device comprises a travel switch 25 and a contact 24, in this embodiment, the travel switch 25 is fixedly mounted on a circular plate 7, an L-shaped plate 23 is mounted at the bottom of the magnetic block 8, the L-shaped plate 23 penetrates through the circular plate 7, and the contact 24 is fixedly mounted on the L-shaped plate 23 and corresponds to the travel switch 25 in position.
Modifications and variations of the present invention are within the scope of the claims and are not limited by the disclosure of the embodiments.
Claims (7)
1. The double-insurance valve capable of preventing burglary comprises a valve body, a through fluid channel is arranged in the valve body, a valve ball with a communicating hole is installed in the fluid channel in a rotating mode, a valve rod is fixedly installed at the top of the valve ball, and a lock head are installed at the top of the valve body in a rotating mode, and the double-insurance valve is characterized in that: a magnetic block and a magnetic column are longitudinally and slidably arranged in the valve body between the lock head and the valve rod, the magnetic block and the magnetic column have opposite magnetism, the magnetic column penetrates through the center of the magnetic block, the cross section of the magnetic column is a regular polygon, a through hole with the same section is formed in the magnetic block, namely, the magnetic column longitudinally slides relative to the magnetic block, the magnetic block drives the magnetic column to rotate, a third linkage mechanism is arranged between the magnetic block and the lock head and used for enabling the magnetic block to be combined and linked with the lock head when the magnetic block moves upwards to the highest position, the magnetic block is separated from the lock head when the magnetic block is located at the lowest position, a circular plate is fixedly arranged at one end of the magnetic column far away from the lock head, a first linkage mechanism is arranged between the circular plate and the valve rod and used for enabling the magnetic column to be combined and linked with the valve rod when the magnetic column moves downwards to the low position and enabling the magnetic column to be separated from the valve rod when the high position, and a spring is arranged between the circular plate and the valve rod, the spring causes the magnetic column to jack up and remain in the high position.
2. A double-safety anti-theft valve according to claim 1, wherein: the first linkage mechanism comprises a first limiting column and a first limiting hole, the first limiting column is fixedly mounted on the circular plate, and the corresponding position of the valve rod is arranged in the first limiting hole.
3. A double-safety anti-theft valve according to claim 1, wherein: the third linkage mechanism comprises a third limiting column and a third limiting hole, the third limiting column is fixedly mounted on the magnetic block, and the third limiting hole is formed in the lock head.
4. A double-safety anti-theft valve according to claim 1, wherein: the lock comprises a lock body, a lock chamber and a switch device, wherein the lock chamber is arranged in the lock head, the lock body is assembled in the lock chamber, lock holes for inserting lock tongues of the lock body are formed in the peripheral side of the valve body, the switch device is electrically connected with the lock body and used for controlling the lock body to be switched on and off, and the switch device is arranged between a magnetic block and a circular plate.
5. A double-safety anti-theft valve according to claim 1, wherein: the switch device comprises a travel switch and a contact, the travel switch is fixedly installed on a circular plate, an L-shaped plate is installed at the bottom of the magnetic block and penetrates through the circular plate, and the contact is fixedly installed on the L-shaped plate and corresponds to the travel switch in position.
6. An encryption wrench for use with the dual safety anti-tamper valve of claim 1, wherein: the encryption wrench comprises a magnetic ring positioned outside and a magnet positioned in the magnetic ring, wherein the magnetic ring and the magnetic block are attracted in opposite polarities, and the magnet and the magnetic column are repelled in the same polarity.
7. An encryption wrench as claimed in claim 6, wherein: a second linkage mechanism is arranged between the encryption wrench and the lock head, and the second linkage mechanism comprises a second limiting hole positioned on the lock head and a magnetic limiting column which sets a magnet on the encryption wrench to be matched with the second limiting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110578752.6A CN113217701B (en) | 2021-05-26 | 2021-05-26 | Double-safety anti-theft valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110578752.6A CN113217701B (en) | 2021-05-26 | 2021-05-26 | Double-safety anti-theft valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113217701A true CN113217701A (en) | 2021-08-06 |
| CN113217701B CN113217701B (en) | 2023-06-27 |
Family
ID=77098617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110578752.6A Active CN113217701B (en) | 2021-05-26 | 2021-05-26 | Double-safety anti-theft valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113217701B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000120916A (en) * | 1998-10-09 | 2000-04-28 | Kitz Corp | Rotation-locking device for valve stem |
| CN2390075Y (en) * | 1999-09-20 | 2000-08-02 | 曹振平 | Valve opening and closing mechanism driven by crossbar magnetic path type cylindrical permanent-magnet magnetic coupler |
| CN2531188Y (en) * | 2002-03-04 | 2003-01-15 | 王文旭 | Adjustable magnetic lock-control sluice valve |
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| CN203940104U (en) * | 2014-05-27 | 2014-11-12 | 浙江瑞格铜业有限公司 | A kind of locking valve |
| CN204922192U (en) * | 2015-08-22 | 2015-12-30 | 浙江达柏林阀门有限公司 | Magnetic locking ball valve |
| CN205226600U (en) * | 2015-11-12 | 2016-05-11 | 屈礼平 | Fire hydrant valve lock |
| US20160265683A1 (en) * | 2015-03-09 | 2016-09-15 | Hydra-Shield Mfg. Inc. | Device for securing a fire hydrant valve using a moveable element |
| CN205908852U (en) * | 2016-08-04 | 2017-01-25 | 玉环奥德华阀门有限公司 | Cross locking dual fail -safe lock valve |
| CN206159628U (en) * | 2016-11-07 | 2017-05-10 | 玉环秀辉阀业有限公司 | Double -locking who takes mechanical lock and magnetism lock closes valve |
| CN209262386U (en) * | 2018-08-31 | 2019-08-16 | 邛崃市欣凡尔阀业有限公司 | A kind of environmentally friendly gate valve of encryption |
| CN212080220U (en) * | 2020-03-17 | 2020-12-04 | 宁波埃美柯铜阀门有限公司 | Limit type magnetic ball valve with lock |
| CN212868708U (en) * | 2020-06-18 | 2021-04-02 | 苏州诚嵘机械有限公司 | Anti-theft safety gate valve |
-
2021
- 2021-05-26 CN CN202110578752.6A patent/CN113217701B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000120916A (en) * | 1998-10-09 | 2000-04-28 | Kitz Corp | Rotation-locking device for valve stem |
| CN2390075Y (en) * | 1999-09-20 | 2000-08-02 | 曹振平 | Valve opening and closing mechanism driven by crossbar magnetic path type cylindrical permanent-magnet magnetic coupler |
| CN2531188Y (en) * | 2002-03-04 | 2003-01-15 | 王文旭 | Adjustable magnetic lock-control sluice valve |
| CN2733338Y (en) * | 2004-06-17 | 2005-10-12 | 天津奥意玛机电技术有限公司 | Permanent-magnet magnetic-coupling device driven zero leakage anti-theft sampling valve |
| CN201225489Y (en) * | 2008-07-17 | 2009-04-22 | 大庆众鑫科技开发有限公司 | Permanent-magnet anti-theft plug for fixed-point pipeline |
| CN203940104U (en) * | 2014-05-27 | 2014-11-12 | 浙江瑞格铜业有限公司 | A kind of locking valve |
| US20160265683A1 (en) * | 2015-03-09 | 2016-09-15 | Hydra-Shield Mfg. Inc. | Device for securing a fire hydrant valve using a moveable element |
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| CN205908852U (en) * | 2016-08-04 | 2017-01-25 | 玉环奥德华阀门有限公司 | Cross locking dual fail -safe lock valve |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN113217701B (en) | 2023-06-27 |
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