CN110932121B - Outdoor switch cabinet with automatic protection function - Google Patents
Outdoor switch cabinet with automatic protection function Download PDFInfo
- Publication number
- CN110932121B CN110932121B CN201911312149.2A CN201911312149A CN110932121B CN 110932121 B CN110932121 B CN 110932121B CN 201911312149 A CN201911312149 A CN 201911312149A CN 110932121 B CN110932121 B CN 110932121B
- Authority
- CN
- China
- Prior art keywords
- cavity
- end wall
- chamber
- spring
- working
- 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.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/02—Mechanical actuation
- G08B13/06—Mechanical actuation by tampering with fastening
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Patch Boards (AREA)
- Switch Cases, Indication, And Locking (AREA)
- Burglar Alarm Systems (AREA)
Abstract
The invention discloses an outdoor switch cabinet with an automatic protection function, which comprises a switch cabinet, wherein a working cavity with a forward opening is arranged in the switch cabinet, equipment is fixed on the lower end wall of the working cavity, a closing mechanism for double protection is arranged in the left end wall and the right end wall of the working cavity, a partition cavity for communicating the working cavity with the external space is arranged in the front end of the switch cabinet, a door plate is hinged on the right end wall of the partition cavity, lock grooves for communicating the partition cavity are respectively arranged in the upper end wall and the lower end wall of the partition cavity, a locking cavity is arranged in the door plate, the rear end wall of the locking cavity is rotatably connected with a lock shaft with the front end positioned in the external space, and an unlocking cavity with a forward opening is arranged in the lock shaft. The anti-theft performance is improved.
Description
Technical Field
The invention relates to the field related to power distribution, in particular to an outdoor switch cabinet with an automatic protection function.
Background
The switch cabinet is an electric device which is a device for receiving and distributing electric energy in an electric power system, and mainly has the functions of opening and closing, controlling and protecting electric equipment in the process of generating, transmitting, distributing and converting the electric energy of the electric power system;
outdoor cubical switchboard is because install outdoors, and inside sets up the power equipment of multiple traditional chinese medicine, and theftproof self-protection function is very important, and current outdoor cubical switchboard is mostly only simply locks the cubical switchboard, and other anti-theft device are few, after taking place to steal, can not in time obtain warning, can probably cause great loss.
Disclosure of Invention
The invention aims to solve the technical problem of providing an outdoor switch cabinet with an automatic protection function, and solves the problems of low anti-theft function and the like, so that the anti-theft efficiency is improved.
The invention is realized by the following technical scheme.
The invention relates to an outdoor switch cabinet with an automatic protection function, which comprises a switch cabinet, wherein a working cavity with a forward opening is arranged in the switch cabinet, equipment is fixed on the lower end wall of the working cavity, a closed mechanism for double protection is arranged in the left end wall and the right end wall of the working cavity, a partition cavity for communicating the working cavity with the external space is arranged in the front end of the switch cabinet, a door plate is hinged on the right end wall of the partition cavity, lock grooves for communicating the partition cavity are respectively arranged in the upper end wall and the lower end wall of the partition cavity, a locking cavity is arranged in the door plate, the rear end wall of the locking cavity is rotatably connected with a lock shaft with the front end positioned in the external space, an unlocking cavity with a forward opening is arranged in the lock shaft, a movable plate and a reset spring for connecting the rear end wall of the unlocking cavity are slidably connected in the unlocking cavity, two ejection cavities communicated, the lifting plate is characterized in that a liftable trapezoidal block and a push-out spring are connected with the trapezoidal block and the end wall of the push-out cavity in a sliding manner, through holes communicated with the locking cavity are formed in the upper end wall and the lower end wall of the unlocking cavity, an annular cavity is formed in the front end wall of the locking cavity and is communicated with the locking cavity, an annular block is connected with the annular cavity in a sliding manner, the rear end of the annular block is fixed with a cylinder of which the rear end is located in the locking cavity, two moving alarms of which one end is in contact with the inner wall of the cylinder are fixed on the rear end of the locking shaft, a driven block is also fixed on the inner wall of the cylinder, an elliptical wheel is also fixed on the rear end of the locking shaft, a lifting plate in contact with one end of the elliptical wheel and a compression spring for connecting the lifting plate and the end wall of the locking cavity are connected in a sliding manner, and a locking rod of which, and early warning mechanisms capable of early warning the door smashing are arranged on the rear end wall of the working cavity, the left end wall and the right end wall of the working cavity and the door plate.
Further, the closing mechanism is including being located the chamber of accomodating in the end wall about the working chamber, it is equipped with lower endwall intercommunication to accomodate the chamber in the endwall to be equipped with down the endwall intercommunication accomodate the chamber and be close to the end wall intercommunication of working chamber the translation chamber of working chamber, translation intracavity sliding connection has two sliding blocks, two the relative terminal surface of sliding block is fixed with two connecting plates, two connecting plate fixedly connected with axis of rotation, two around be provided with the dwang just between the axis of rotation the dwang with the axis of rotation is rotated and is connected, it is equipped with the closure plate to accomodate the intracavity, the closure plate upper end is rotated and is connected with the upper end and is run through accomodate chamber upper end wall with translation chamber lower endwall just respectively with two the connecting rod that the sliding block lower extreme is rotated and is connected, be equipped with four sliding tray in the working chamber upper end wall, sliding tray lower endwall intercommunication The sliding groove is far away from the end wall of the working cavity, an electric guide rail is fixed on the end wall of the working cavity, the sliding block is far away from the working cavity, the sliding block can be driven by the electric guide rail to move, and the end wall of the sliding groove far away from the equipment is fixed with a first contact alarm which is in contact with the sliding block and can give an alarm.
Further, early warning mechanism includes the spring chamber, be equipped with slidable spring board and connect in the spring chamber the spring board with two expanding spring of spring chamber end wall, the spring chamber is close to still be fixed with on the end wall of working chamber can with it is steerable after the spring board contact the second contact alarm that electronic guide rail motion just can report to the police.
Further, the elastic force of the return spring is greater than that of the ejection spring.
The invention has the beneficial effects that: the device simple structure, the simple operation through the cooperation of burglary-resisting board and alarm bell, when taking place to pound the door or prize the door, through the dual theftproof when resisting, reports to the police, has increased the security of the interior equipment of outdoor cubical switchboard, has improved the theftproof performance.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an enlarged view of the structure A-A in FIG. 1 according to an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of the structure at B in FIG. 2 according to an embodiment of the present invention;
fig. 4 is an enlarged schematic view of the structure at C in fig. 2 according to the embodiment of the present invention.
Detailed Description
The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The outdoor switch cabinet with the automatic protection function, which is described in conjunction with the attached fig. 1-4, includes a switch cabinet 10, a working chamber 19 with a forward opening is provided in the switch cabinet 10, a device 18 is fixed on the lower end wall of the working chamber 19, a closing mechanism 48 for performing double protection is provided in the left and right end walls of the working chamber 19, a partition chamber 51 communicating the working chamber 19 with the external space is provided in the front end of the switch cabinet 10, a door panel 30 is hinged on the right end wall of the partition chamber 51, locking grooves 29 communicating the partition chamber 51 are provided in the upper and lower end walls of the partition chamber 51, a locking chamber 31 is provided in the door panel 30, the rear end wall of the locking chamber 31 is rotatably connected with a lock shaft 36 with a front end located in the external space, a moving plate 41 with a forward opening is provided in the lock shaft 36, a moving plate 42 is slidably connected in the lock opening chamber 41, and a return spring 37 connecting the moving plate 42 and the, the movable plate 42 is internally provided with two ejection cavities 39 communicated with the unlocking cavity 41, the ejection cavities 39 are internally and slidably connected with liftable trapezoidal blocks 38 and connected with ejection springs 40 at the end walls of the trapezoidal blocks 38 and the ejection cavities 39, the upper end wall and the lower end wall of the unlocking cavity 41 are respectively provided with a through hole 52 communicated with the locking cavity 31, the front end wall of the locking cavity 31 is internally provided with a rear end wall communicated with an annular cavity 44 of the locking cavity 31, the annular cavity 44 is internally and slidably connected with an annular block 45, the rear end of the annular block 45 is fixedly provided with a cylinder 46 with the rear end positioned in the locking cavity 31, the rear end of the locking shaft 36 is fixedly provided with two movable alarms 43 with one ends contacted with the inner wall of the cylinder 46, the inner wall of the cylinder 46 is also fixedly provided with a driven block 47, the rear end of the locking shaft 36 is also fixedly provided with an elliptical wheel 35, the locking cavity 31 is internally and slidably connected with a lifting plate 34 contacted with one end of the elliptical wheel 33, the end face of the lifting plate 34 far away from the lock shaft 36 is fixed with a lock rod 32, one end of which penetrates through the end wall of the lock cavity 31 and is located in the lock groove 29, and early warning mechanisms 49 capable of giving early warning to door smashing are arranged on the rear end wall of the working cavity 19, the left end wall and the right end wall of the working cavity 19 and the door plate 30.
Beneficially, the closing mechanism 48 includes a containing cavity 17 located in the left and right end walls of the working cavity 19, a lower end wall is arranged in the upper end wall of the containing cavity 17 and is communicated with the translation cavity 28 of the working cavity 19, two sliding blocks 11 are slidably connected in the translation cavity 28, two connecting plates 24 are fixed on the opposite end surfaces of the two sliding blocks 11, the two connecting plates 24 are fixedly connected with a rotating shaft 26, a rotating rod 25 is arranged between the front and rear two rotating shafts 26 and is rotatably connected with the rotating shaft 26, a closing plate 16 is arranged in the containing cavity 17, the upper end of the closing plate 16 is rotatably connected with a connecting rod 27, the upper end of the connecting rod passes through the upper end wall of the containing cavity 17 and the lower end wall of the translation cavity 28 and is rotatably connected with the lower ends of the two sliding blocks 11 respectively, four sliding grooves 12 are arranged in the upper end wall of the working cavity 19, the lower end wall of sliding tray 12 all communicates accomodate chamber 17 with working chamber 19 just sliding tray 12 is close to the end wall intercommunication at working chamber 19 center working chamber 19 with translation chamber 28, sliding tray 12 is kept away from the end wall of working chamber 19 is fixed with electronic guide rail 13 and is kept away from working chamber 19 sliding block 11 can by electronic guide rail 13 drives the removal, sliding tray 12 is kept away from the end wall of equipment 18 be fixed with sliding block 11 contact and the first contact alarm 14 that can report to the police.
Advantageously, the warning mechanism 49 comprises a spring cavity 23, a slidable spring plate 22 and two extension springs 21 connecting the spring plate 22 and the end wall of the spring cavity 23 are arranged in the spring cavity 23, and a second contact alarm 20 capable of controlling the movement of the power rail 13 and giving an alarm after contacting the spring plate 22 is further fixed on the end wall of the spring cavity 23 close to the working cavity 19.
Advantageously, the elastic force of the return spring 37 is greater than the elastic force of the ejector spring 40.
In the initial state, the ejector spring 40 and the compression spring 33 are in a compressed state.
When a correct key is completely inserted into the unlocking cavity 41, the moving plate 42 is driven to move backwards and compress the return spring 37, when the return spring 37 is completely compressed, the ejecting cavity 39 is communicated with the through hole 52, the ejecting spring 40 is reset to drive the trapezoidal block 38 to leave the ejecting cavity 39 and penetrate through the through hole 52 to enter the locking cavity 31 so as to be contacted with the driven block 47, the key is rotated to drive the locking shaft 36 to rotate so as to drive the elliptical wheel 35 and the trapezoidal block 38 to rotate, the rotation of the elliptical wheel 35 enables the compression spring 33 to reset to drive the lifting plate 34 to be close to the locking shaft 36, so that one end of the locking rod 32, which is positioned in the locking groove 29, leaves the locking groove 29, so that the unlocking is completed, the rotation of the trapezoidal block 38 drives the driven block 47 and the cylinder 46 to rotate, and the locking shaft 36 also drives the moving alarm 43 to rotate, so that the moving alarm 43 and the cylinder 46 are kept relatively static without relative displacement, the mobile alarm 43 is not triggered; if the lock shaft 36 is rotated by the wrong key and the moving plate 42 is not pressed backwards, the trapezoidal block 38 does not penetrate through the through hole 52 to be contacted with the driven block 47, when the lock shaft 36 rotates, the moving alarm 43 rotates along with the rotation of the lock shaft 36, but the cylinder 46 does not rotate, the relative displacement occurs between the moving alarm 43 and the cylinder 46, and at the moment, the moving alarm 43 works to control the two front electric guide rails 13 to work; the motion of the electric guide rail 13 drives the sliding block 11 contacted with the electric guide rail 13 to horizontally move towards the center of the working cavity 19, the other sliding block 11 is pulled to move forwards through the transmission of the rotating rod 25, the closing plates 16 are driven to rotate and move when the sliding block 11 moves through the transmission of the connecting rod 27, when the electric guide rail 13 moves to the point that the sliding block 11 cannot move, the two moving closing plates 16 leave the accommodating cavity 17 and complete the secondary closing of the working cavity 19, and the safety of equipment 18 in the working cavity 19 is ensured; when a stealer smashes the front end face, the rear end face, the left end face and the right end face of the switch cabinet 10, the spring plate 22 is driven to move towards the direction of the working cavity 19 and the extension spring 21 is compressed, when the spring plate 22 is in contact with the second contact alarm 20, if the smashed end face is the rear end face of the working cavity 19 or the door plate 30, the second contact alarm 20 works to control the electric guide rail 13 to work, the sealing plate 16 is driven to leave the accommodating cavity 17 to complete secondary protection, an alarm is given, and if the smashed end wall enables the left end wall and the right end wall of the working cavity 19, the second contact alarm 20 gives an alarm directly.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (3)
1. The utility model provides an outdoor cubical switchboard with automatic safeguard function, includes the cubical switchboard, its characterized in that: a working cavity with a forward opening is arranged in the switch cabinet, equipment is fixed on the lower end wall of the working cavity, a closing mechanism for double protection is arranged in the left end wall and the right end wall of the working cavity, a partition cavity communicated with the working cavity and the external space is arranged in the front end of the switch cabinet, a door plate is hinged on the right end wall of the partition cavity, locking grooves communicated with the partition cavity are arranged in the upper end wall and the lower end wall of the partition cavity, a locking cavity is arranged in the door plate, a locking shaft with a front end positioned in the external space is rotatably connected to the rear end wall of the locking cavity, an unlocking cavity with a forward opening is arranged in the locking shaft, a moving plate and a reset spring connected with the moving plate and the rear end wall of the unlocking cavity are slidably connected in the unlocking cavity, two ejection cavities communicated with the unlocking cavity are arranged in the moving plate, a lifting trapezoidal block and an ejection spring connected with the end, through holes communicated with the locking cavity are arranged in the upper end wall and the lower end wall of the unlocking cavity, an annular cavity communicated with the locking cavity is arranged in the front end wall of the locking cavity and is provided with a rear end wall, an annular block is connected in the annular cavity in a sliding way, a cylinder with the rear end positioned in the locking cavity is fixed at the rear end of the annular block, two mobile alarms with one end contacting with the inner wall of the cylinder are fixed on the rear end of the lock shaft, a driven block is also fixed on the inner wall of the cylinder, an elliptical wheel is fixed at the rear end of the lock shaft, a lifting plate which is in contact with one end of the elliptical wheel and a compression spring which is connected with the lifting plate and the end wall of the lock cavity are connected in the lock cavity in a sliding manner, a lock rod with one end penetrating through the end wall of the locking cavity and positioned in the lock groove is fixed on the end surface of the lifting plate far away from the lock shaft, early warning mechanisms capable of early warning door smashing are arranged in the rear end wall of the working cavity, the left end wall and the right end wall of the working cavity and the door plate; the closing mechanism is including being located the chamber of accomodating in the end wall about the working chamber, it is equipped with lower extreme wall intercommunication to accomodate the chamber and is close to accomodate the chamber the end wall intercommunication of working chamber the translation chamber of working chamber, translation intracavity sliding connection has two sliding blocks, two the terminal surface that the sliding block is relative is fixed with two connecting plates, two connecting plate fixedly connected with axis of rotation, two around be provided with the dwang just between the axis of rotation the dwang with the axis of rotation is rotated and is connected, it is equipped with the closure plate to accomodate the intracavity, the closure plate upper end is rotated and is connected with the upper end and run through accomodate chamber upper end wall with translation chamber lower extreme wall just respectively with two the connecting rod that the sliding block lower extreme rotated and is connected, be equipped with four sliding tray in the working chamber upper end wall, sliding tray lower extreme wall all communicates accomodate the chamber with the working chamber just the sliding tray The translation chamber, the sliding tray is kept away from the end wall of working chamber is fixed with electronic guide rail and keeps away from the working chamber the sliding block can by electronic guide rail drives the removal, the sliding tray is kept away from the end wall of equipment be fixed with the sliding block contact just can carry out the first contact alarm that reports to the police.
2. The outdoor switch cabinet with the automatic protection function according to claim 1, characterized in that: early warning mechanism includes the spring chamber, be equipped with slidable spring board and connection in the spring chamber the spring board with two expanding spring of spring chamber end wall, the spring chamber is close to still be fixed with on the end wall of working chamber can with it is steerable after the spring board contact the second contact alarm that electronic guide rail motion just can report to the police.
3. The outdoor switch cabinet with the automatic protection function according to claim 2, characterized in that: the elastic force of the reset spring is larger than that of the ejection spring.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911312149.2A CN110932121B (en) | 2019-12-18 | 2019-12-18 | Outdoor switch cabinet with automatic protection function |
| JP2020071880A JP6810871B1 (en) | 2019-12-18 | 2020-04-13 | Outdoor switchgear with automatic protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911312149.2A CN110932121B (en) | 2019-12-18 | 2019-12-18 | Outdoor switch cabinet with automatic protection function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110932121A CN110932121A (en) | 2020-03-27 |
| CN110932121B true CN110932121B (en) | 2020-07-21 |
Family
ID=69864361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911312149.2A Active CN110932121B (en) | 2019-12-18 | 2019-12-18 | Outdoor switch cabinet with automatic protection function |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6810871B1 (en) |
| CN (1) | CN110932121B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115051270B (en) * | 2022-07-06 | 2023-03-21 | 穆峰(深圳)电气设备安装有限公司 | Energy-saving safe box-type substation |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB652904A (en) * | 1948-07-20 | 1951-05-02 | George Mark Omega Jenkins | Improvements in locks |
| US6950033B1 (en) * | 2003-01-22 | 2005-09-27 | Louis N Guyre | Door bolt alarm |
| CN103422728A (en) * | 2012-05-16 | 2013-12-04 | 天津海州科工贸有限公司 | Information-control universal lock |
| CN205400326U (en) * | 2016-03-13 | 2016-07-27 | 衡水威圣电气设备有限公司 | Novel locking of regulator cubicle device |
| CN208141542U (en) * | 2018-04-28 | 2018-11-23 | 广东电网有限责任公司 | A kind of anti-theft device of outdoor power equipment |
| CN209099914U (en) * | 2018-06-20 | 2019-07-12 | 南阳飞龙电器有限公司 | A kind of outdoor electricity meter box |
| CN110159093A (en) * | 2019-04-24 | 2019-08-23 | 天津真淼锁具销售有限公司 | A kind of Automatic anti-theft lock |
-
2019
- 2019-12-18 CN CN201911312149.2A patent/CN110932121B/en active Active
-
2020
- 2020-04-13 JP JP2020071880A patent/JP6810871B1/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB652904A (en) * | 1948-07-20 | 1951-05-02 | George Mark Omega Jenkins | Improvements in locks |
| US6950033B1 (en) * | 2003-01-22 | 2005-09-27 | Louis N Guyre | Door bolt alarm |
| CN103422728A (en) * | 2012-05-16 | 2013-12-04 | 天津海州科工贸有限公司 | Information-control universal lock |
| CN205400326U (en) * | 2016-03-13 | 2016-07-27 | 衡水威圣电气设备有限公司 | Novel locking of regulator cubicle device |
| CN208141542U (en) * | 2018-04-28 | 2018-11-23 | 广东电网有限责任公司 | A kind of anti-theft device of outdoor power equipment |
| CN209099914U (en) * | 2018-06-20 | 2019-07-12 | 南阳飞龙电器有限公司 | A kind of outdoor electricity meter box |
| CN110159093A (en) * | 2019-04-24 | 2019-08-23 | 天津真淼锁具销售有限公司 | A kind of Automatic anti-theft lock |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2021097584A (en) | 2021-06-24 |
| CN110932121A (en) | 2020-03-27 |
| JP6810871B1 (en) | 2021-01-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100414066C (en) | Microconsumption electronic lock with power-supply provided by key | |
| CN110932121B (en) | Outdoor switch cabinet with automatic protection function | |
| CN200985682Y (en) | Electric intelligent cabinet door lock | |
| CN201100025Y (en) | Micro- power consumption electronic lockset with key providing energy supply | |
| CN201763077U (en) | Humanized counter locking intelligent lock | |
| CN111588187A (en) | Filing cabinet monitoring device for file administration | |
| CN204126458U (en) | Bus inner swing door intelligence external-open control device | |
| CN109841434B (en) | Operation interlocking device for electric appliance cabinet door | |
| CN110847712B (en) | Intelligent door lock | |
| CN211578601U (en) | Anti-misoperation component of low-voltage switch | |
| CN201915725U (en) | Novel remote control bolt lock | |
| CN214246950U (en) | Novel intelligent door lock | |
| CN219241607U (en) | Switch cabinet door lock | |
| CN211313942U (en) | Domestic burglary-resisting door with security protection system | |
| CN212054136U (en) | Electric control dead bolt driving device | |
| CN209538915U (en) | A kind of safety-type switchgear | |
| CN202000778U (en) | Electromagnetic case lock | |
| CN217134232U (en) | Safe and reliable mechanical locking device for front door and rear door of switch cabinet | |
| CN200996225Y (en) | Special electric lock for prison cell | |
| CN221102785U (en) | Modular metal switch cabinet for drawing | |
| CN215632257U (en) | Novel door lock | |
| CN111341964B (en) | Anti-theft shell for lithium battery of battery car | |
| CN220543797U (en) | Locking and unlocking mechanism of isolating switch | |
| CN220081106U (en) | Intelligent lock with anti-theft function | |
| CN215527507U (en) | Mechanical interlocking structure of high-voltage vacuum circuit breaker switch |
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 | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200630 Address after: 518000, 1st floor, factory building, No. 8, No. 101, Yangtaishan Industrial Road, guantian community, Shiyan street, Bao'an District, Shenzhen City, Guangdong Province Applicant after: Shenzhen zhongdiantong Technology Industry Co., Ltd Address before: Unit 1005-2, building 10, Fuzhou Zhengrong Fortune Center, No.18 Xinbao Road, Shangjie Town, Minhou County, Fuzhou City, Fujian Province Applicant before: Fuzhou High-tech Zone Lingfu Technology Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |