CN112117684B - Electric power metering box and door lock device thereof - Google Patents
Electric power metering box and door lock device thereof Download PDFInfo
- Publication number
- CN112117684B CN112117684B CN202010989358.7A CN202010989358A CN112117684B CN 112117684 B CN112117684 B CN 112117684B CN 202010989358 A CN202010989358 A CN 202010989358A CN 112117684 B CN112117684 B CN 112117684B
- Authority
- CN
- China
- Prior art keywords
- groove
- moving
- column
- block
- transmission
- 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
- H02B1/46—Boxes; Parts thereof or accessories therefor
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/52—Other locks for chests, boxes, trunks, baskets, travelling bags, or the like
- E05B65/5207—Other locks for chests, boxes, trunks, baskets, travelling bags, or the like characterised by bolt movement
- E05B65/5215—Other locks for chests, boxes, trunks, baskets, travelling bags, or the like characterised by bolt movement sliding
- E05B65/523—Other locks for chests, boxes, trunks, baskets, travelling bags, or the like characterised by bolt movement sliding parallel to the surface on which the lock is mounted
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Casings For Electric Apparatus (AREA)
- Patch Boards (AREA)
Abstract
The invention belongs to the field of power metering boxes, in particular to a power metering box and a door lock device thereof, and aims at solving the problems that most of the existing power metering boxes use conventional door lock structures and are opened and closed by keys, the mode has poor effect, a key hole is easily blocked and cannot be opened, and the protection effect is poor.
Description
Technical Field
The invention relates to the technical field of power metering boxes, in particular to a power metering box and a door lock device thereof.
Background
The power metering box comprises a combined mutual inductor (collecting three-phase current and voltage signals), a box body, a watt-hour meter, a lightning arrester, a vacuum circuit breaker (available in prepayment class), and the like.
Most of existing power metering boxes use conventional door lock structures, are opened and closed by keys, are poor in effect in the mode, are prone to being blocked and cannot be opened, and are poor in protection effect, and therefore the power metering boxes and the door lock devices thereof are provided for solving the problems.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, most electric power metering boxes adopt a conventional door lock structure, are opened and closed by a key, have poor effect, are easy to block a key hole and cannot be opened, and have poor protection effect.
In order to achieve the purpose, the invention adopts the following technical scheme:
the power metering box comprises a box body, wherein a door plate is arranged on the front side of the box body, a placing groove is formed in the door plate, a door lock device is placed in the placing groove, and the door lock device is matched with the box body.
Preferably, the box body is provided with a door lock groove, and the door lock device is matched with the door lock groove.
The door lock device of the electric power metering box comprises a device body, wherein a first moving groove is formed in the upper portion of the front side of the device body, a first moving block is slidably mounted in the first moving groove, a first moving column which is slidably mounted in the first moving groove is fixedly connected onto the first moving block, a fixed column is fixedly mounted on the first moving column, a telescopic groove is formed in the fixed column, a telescopic spring is fixedly mounted in the telescopic groove, the telescopic spring is fixedly connected with a telescopic column which is slidably mounted in the telescopic groove, a first clamping groove matched with the telescopic column is formed in the inner wall of the first moving groove, one end of a first transmission column is rotatably mounted on the first moving column, a transmission block is rotatably mounted at the other end of the first transmission column, a transmission groove is formed in the inner wall of the bottom of the first moving groove, and the transmission block is slidably mounted on the inner wall of the transmission groove, one end of a second transmission column is rotatably arranged on the transmission block, one end of a clamping column is rotatably arranged at the other end of the second transmission column, and the clamping column is slidably arranged in the transmission groove;
the device comprises a device body and is characterized in that a second moving groove is formed in the lower portion of the front side of the device body, a second moving block is movably mounted in the second moving groove, a second moving column is fixedly connected to the second moving block and movably mounted in the second moving groove, a second clamping groove is formed in the second moving column and matched with a clamping column, a connecting ring is sleeved on the second moving column, a connecting block is arranged on the periphery of the connecting ring, a gear is rotatably mounted in the second moving groove, a connecting groove is formed in the inner side wall of the gear and matched with the connecting block, a rack groove is formed in the inner wall of the top of the second moving groove, and a rack meshed with the rack is slidably mounted in the rack groove.
Preferably, the telescopic column is of a right-angle trapezoidal structure.
Preferably, a first fixed block is fixedly mounted in the first moving groove, and the first moving column is slidably mounted on the first fixed block.
Preferably, a first fixing groove is formed in the first fixing block, and the first moving column is slidably mounted in the first fixing groove.
Preferably, a first spring is fixedly installed in the first fixing groove, and the first spring is fixedly connected with the first movable column.
Preferably, a masking plate is arranged at the notch of the second moving groove, and the masking plate is rotatably connected with the inner wall of the second moving groove.
Preferably, a second fixed block is fixedly mounted in the second moving groove, and the second moving column is movably mounted on the second fixed block.
Preferably, a second fixing groove is formed in the second fixing block, a second spring is fixedly mounted in the second fixing groove, and the second spring is connected with a second moving column movably mounted in the second fixing groove.
Compared with the prior art, the invention has the beneficial effects that:
1. due to the fact that the second moving groove, the second moving block, the second moving column, the second clamping groove, the connecting ring, the connecting block, the second fixing block, the gear, the connecting groove, the rack groove and the rack are arranged, the door plate can be opened or closed conveniently, and the door lock function is achieved.
2. Owing to set up and cover plaque, second draw-in groove, first shifting chute, first movable block, first removal post, fixed column, flexible groove, expanding spring, flexible post, first draw-in groove, first fixed block, first transmission post, transmission piece, second transmission post, transmission groove, card post, can enough cover the existence of second shifting chute, let others mistake and think that first shifting chute is the lock structure, can restrict the second shifting chute again, duplicate protection increases safeguard function, avoid being opened easily by other people.
The invention can mislead non-operators and only can be opened by the operators, thereby improving the protection effect, having simple opening mode and avoiding the condition of incapability of opening.
Drawings
Fig. 1 is a schematic structural diagram of a power metering box and a door lock device thereof according to the present invention;
FIG. 2 is a schematic structural diagram of a door lock device of the power metering box and the door lock device thereof according to the present invention;
fig. 3 is a schematic view of a connection structure of a fixed column and a telescopic column of the power metering box and the door lock device thereof provided by the invention;
fig. 4 is a schematic view of the connection structure of the connection ring and the gear of the power metering box and the door lock device thereof according to the present invention.
In the figure: the door lock device comprises a box body 1, a door plate 2, a placing groove 3, a door lock device 4, a first moving groove 5, a first moving block 6, a first moving column 7, a fixed column 8, a telescopic groove 9, a telescopic spring 10, a telescopic column 11, a first clamping groove 12, a first fixing block 13, a first transmission column 14, a transmission block 15, a second transmission column 16, a transmission groove 17, a clamping column 18, a second moving groove 19, a masking plate 20, a second moving block 21, a second moving block 22, a second clamping groove 23, a connecting ring 24, a connecting block 25, a second fixing block 26, a gear 27, a connecting groove 28, a rack groove 29 and a rack 30.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, the power metering box comprises a box body 1, wherein a door plate 2 is arranged on the front side of the box body 1, a placing groove 3 is formed in the door plate 2, a door lock device 4 is placed in the placing groove 3, and the door lock device 4 is matched with the box body 1.
In the invention, a door lock groove is formed on the box body 1, and the door lock device 4 is matched with the door lock groove.
The door lock device of the electric power metering box comprises a device body, a first moving groove 5 is formed above the front side of the device body, a first moving block 6 is arranged in the first moving groove 5 in a sliding manner, a first moving column 7 which is arranged in the first moving groove 5 in a sliding manner is fixedly connected onto the first moving block 6, a fixed column 8 is fixedly arranged on the first moving column 7, a telescopic groove 9 is formed on the fixed column 8, a telescopic spring 10 is fixedly arranged in the telescopic groove 9, a telescopic column 11 which is arranged in the telescopic groove 9 in a sliding manner is fixedly connected onto the telescopic spring 10, a first clamping groove 12 matched with the telescopic column 11 is formed in the inner wall of the first moving groove 5, one end of a first transmission column 14 is rotatably arranged on the first moving column 7, a transmission block 15 is rotatably arranged at the other end of the first transmission column 14, a transmission groove 17 is formed in the inner wall of the bottom of the first moving groove 5, and the transmission block 15 is slidably arranged on the inner wall of the transmission groove 17, one end of a second transmission column 16 is rotatably arranged on the transmission block 15, one end of a clamping column 18 is rotatably arranged at the other end of the second transmission column 16, and the clamping column 18 is slidably arranged in the transmission groove 17;
the second moving groove 19 is formed in the lower portion of the front side of the device body, a second moving block 21 is movably mounted in the second moving groove 19, a second moving column 22 which is movably mounted in the second moving groove 19 is fixedly connected to the second moving block 21, a second clamping groove 23 is formed in the second moving column 22, the second clamping groove 23 is matched with the clamping column 18, a connecting ring 24 is sleeved on the second moving column 22, a connecting block 25 is arranged on the periphery of the connecting ring 24, a gear 27 is rotatably mounted in the second moving groove 19, a connecting groove 28 is formed in the inner side wall of the gear 27, the connecting groove 28 is matched with the connecting block 25, a rack groove 29 is formed in the inner wall of the top of the second moving groove 19, and a rack 30 which is meshed with the rack 27 is slidably mounted in the rack groove 29.
In the invention, the telescopic column 11 is in a right-angled trapezoid structure.
In the invention, a first fixed block 13 is fixedly arranged in the first moving groove 5, and the first moving column 7 is slidably arranged on the first fixed block 13.
In the invention, the first fixing block 13 is provided with a first fixing groove, and the first moving column 7 is slidably mounted in the first fixing groove.
In the invention, a first spring is fixedly arranged in the first fixing groove and is fixedly connected with the first moving column 7.
In the present invention, a masking plate 20 is disposed at the notch of the second moving groove 19, and the masking plate 20 is rotatably connected to the inner wall of the second moving groove 19.
In the present invention, the second moving groove 19 is fixedly installed with a second fixed block 26, and the second moving column 22 is movably installed on the second fixed block 26.
In the present invention, a second fixing groove is formed on the second fixing block 26, and a second spring is fixedly installed in the second fixing groove, and the second spring is connected with the second moving column 22 movably installed in the second fixing groove.
In the invention, when the door panel 2 needs to be opened, firstly, the first moving block 6 is pressed, the first moving block 6 drives the first moving column 7 to move, the first moving column 7 drives the fixed column 8 to move, so that the telescopic column 11 is driven to move out of the first clamping groove 12, then under the action of the first spring, the first moving column 7 drives the first moving block 6 to move out of the first moving groove 5, the first moving column 7 moves to drive the first transmission column 14 to move, the first transmission column 14 drives the transmission block 15 to move, the transmission block 15 drives the second transmission column 16 to move, so that the clamping column 18 is driven to move out of the second clamping groove 23, then the masking plate 20 is opened, the second moving block 21 is pressed, the second moving block 21 drives the second moving column 22 to move, so that the connecting ring 24 and the connecting block 25 are driven to move, when the connecting block 25 is clamped in the connecting groove 28, the second moving block 21 is rotated, so that the gear 27 is driven to rotate, the gear 27 drives the rack 30 to move, so that the limitation on the door panel 2 is removed, the door panel 2 can be opened at the moment, and when the door panel 2 is closed, the steps are operated in the reverse direction.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The door locking device of the electric power metering box comprises a box body (1), wherein a door plate (2) is arranged on the front side of the box body (1), a placing groove (3) is formed in the door plate (2), a door locking device (4) is placed in the placing groove (3), the door locking device (4) is matched with the box body (1), a door locking groove is formed in the box body (1), the door locking device (4) is matched with the door locking groove, the door locking device comprises a device body, and the door locking device is characterized in that a first moving groove (5) is formed in the upper portion of the front side of the device body, a first moving block (6) is slidably mounted in the first moving groove (5), a first moving column (7) slidably mounted in the first moving groove (5) is fixedly connected onto the first moving block (6), a fixed column (8) is fixedly mounted onto the first moving column (7), a telescopic groove (9) is formed in the fixed column (8), and a telescopic spring (10) is fixedly arranged in the telescopic groove (9), the telescopic spring (10) is fixedly connected with a telescopic column (11) which is slidably arranged in the telescopic groove (9), and the inner wall of the first moving groove (5) is provided with a first clamping groove (12) matched with the telescopic column (11), one end of a first transmission column (14) is rotatably arranged on the first movable column (7), and the other end of the first transmission column (14) is rotatably provided with a transmission block (15), a transmission groove (17) is arranged on the inner wall of the bottom of the first moving groove (5), and the transmission block (15) is slidably arranged on the inner wall of the transmission groove (17), one end of a second transmission column (16) is rotatably arranged on the transmission block (15), the other end of the second transmission column (16) is rotatably provided with one end of a clamping column (18), and the clamping column (18) is slidably arranged in the transmission groove (17);
a second moving groove (19) is arranged at the lower part of the front side of the device body, a second moving block (21) is movably arranged in the second moving groove (19), a second moving column (22) movably arranged in the second moving groove (19) is fixedly connected to the second moving block (21), a second clamping groove (23) is formed in the second moving column (22), the second clamping groove (23) is matched with the clamping column (18), a connecting ring (24) is sleeved on the second movable column (22), and the periphery of the connecting ring (24) is provided with a connecting block (25), the second moving groove (19) is rotatably provided with a gear (27), and the inner side wall of the gear (27) is provided with a connecting groove (28), the connecting groove (28) is matched with the connecting block (25), a rack groove (29) is arranged on the inner wall of the top of the second moving groove (19), a rack (30) meshed with the gear (27) is arranged in the rack groove (29) in a sliding way;
the telescopic column (11) is of a right-angle trapezoidal structure.
2. The door locking device of an electric power metering box according to claim 1, wherein the first moving groove (5) is fixedly provided with a first fixed block (13), and the first moving column (7) is slidably mounted on the first fixed block (13).
3. The door lock device of the power metering box as claimed in claim 2, wherein the first fixing block (13) is provided with a first fixing groove, and the first moving column (7) is slidably mounted in the first fixing groove.
4. The door lock device of the electric power metering box according to claim 3, wherein a first spring is fixedly installed in the first fixing groove, and the first spring is fixedly connected with the first moving column (7).
5. The door lock device of the electric power metering box according to claim 1, wherein a masking plate (20) is disposed at a notch of the second moving groove (19), and the masking plate (20) is rotatably connected to an inner wall of the second moving groove (19).
6. The door lock device of the electric power metering box according to claim 1, wherein a second fixed block (26) is fixedly installed in the second moving groove (19), and the second moving column (22) is movably installed on the second fixed block (26).
7. The door lock device of the power metering box as claimed in claim 6, wherein a second fixing groove is formed on the second fixing block (26), a second spring is fixedly installed in the second fixing groove, and the second spring is connected with a second moving column (22) movably installed in the second fixing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010989358.7A CN112117684B (en) | 2020-09-18 | 2020-09-18 | Electric power metering box and door lock device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010989358.7A CN112117684B (en) | 2020-09-18 | 2020-09-18 | Electric power metering box and door lock device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112117684A CN112117684A (en) | 2020-12-22 |
| CN112117684B true CN112117684B (en) | 2022-08-16 |
Family
ID=73800251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010989358.7A Active CN112117684B (en) | 2020-09-18 | 2020-09-18 | Electric power metering box and door lock device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112117684B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4110982A1 (en) * | 1991-04-05 | 1992-10-08 | Abb Patent Gmbh | Interlocking system for manually operable rotating shafts of power breaker switch - uses shaft-mounted eccentric cam to prevent locking bar from inhibiting access to end of shaft |
| CN102182357A (en) * | 2011-06-09 | 2011-09-14 | 李逢斌 | Intelligent numerical control (NC) servo electronic lock |
| CN204732726U (en) * | 2015-05-28 | 2015-10-28 | 国网山东胶州市供电公司 | A kind of automatic door-closing type electric power waterproof batch meter |
| CN205790987U (en) * | 2016-01-27 | 2016-12-07 | 江苏瑞恩电气股份有限公司 | A kind of power distribution cabinet with electronic password lock |
| CN107289337A (en) * | 2017-03-08 | 2017-10-24 | 厦门市万家灿灯具有限公司 | A kind of LED illumination lamp of autopatching |
| CN107605370A (en) * | 2017-10-26 | 2018-01-19 | 王晓生 | A kind of fire resistant doorsets of convenient dismounting |
| CN207660395U (en) * | 2017-07-10 | 2018-07-27 | 太原师范学院 | A kind of electronic lock |
| CN108879202A (en) * | 2018-07-05 | 2018-11-23 | 黄山科太环保科技有限公司 | A kind of novel lithium battery |
| CN109113452A (en) * | 2018-10-10 | 2019-01-01 | 象山企盛智能科技有限公司 | A kind of door locking mechanism and its application method |
| CN109236096A (en) * | 2018-09-28 | 2019-01-18 | 童思家 | A kind of application method of door locking mechanism |
| CN109939976A (en) * | 2019-04-16 | 2019-06-28 | 马鞍山小古精密机电科技有限公司 | A kind of instrument productive power road plate cleaning device |
| CN209556821U (en) * | 2018-09-17 | 2019-10-29 | 河北柱诚门业有限公司 | A kind of security door collision prevention device |
| CN110552301A (en) * | 2019-09-05 | 2019-12-10 | 安增坡 | Environment-friendly town road isolated column |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2784515Y (en) * | 2005-04-05 | 2006-05-31 | 曾德长 | Lock pin anti-pry unit |
| CN207776595U (en) * | 2018-01-12 | 2018-08-28 | 吴永新 | A kind of building door lock with muting function |
| CN208877802U (en) * | 2018-08-31 | 2019-05-21 | 川安消防实业有限公司 | A kind of indoor fire hydrant with locking |
| CN209958959U (en) * | 2019-01-29 | 2020-01-17 | 中天德锐(天津)科技发展有限公司 | Electronic lock core matched with lock body |
| CN210323688U (en) * | 2019-08-27 | 2020-04-14 | 东莞市敏钜电子有限公司 | Backlight source capable of rapidly locking |
-
2020
- 2020-09-18 CN CN202010989358.7A patent/CN112117684B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4110982A1 (en) * | 1991-04-05 | 1992-10-08 | Abb Patent Gmbh | Interlocking system for manually operable rotating shafts of power breaker switch - uses shaft-mounted eccentric cam to prevent locking bar from inhibiting access to end of shaft |
| CN102182357A (en) * | 2011-06-09 | 2011-09-14 | 李逢斌 | Intelligent numerical control (NC) servo electronic lock |
| CN204732726U (en) * | 2015-05-28 | 2015-10-28 | 国网山东胶州市供电公司 | A kind of automatic door-closing type electric power waterproof batch meter |
| CN205790987U (en) * | 2016-01-27 | 2016-12-07 | 江苏瑞恩电气股份有限公司 | A kind of power distribution cabinet with electronic password lock |
| CN107289337A (en) * | 2017-03-08 | 2017-10-24 | 厦门市万家灿灯具有限公司 | A kind of LED illumination lamp of autopatching |
| CN207660395U (en) * | 2017-07-10 | 2018-07-27 | 太原师范学院 | A kind of electronic lock |
| CN107605370A (en) * | 2017-10-26 | 2018-01-19 | 王晓生 | A kind of fire resistant doorsets of convenient dismounting |
| CN108879202A (en) * | 2018-07-05 | 2018-11-23 | 黄山科太环保科技有限公司 | A kind of novel lithium battery |
| CN209556821U (en) * | 2018-09-17 | 2019-10-29 | 河北柱诚门业有限公司 | A kind of security door collision prevention device |
| CN109236096A (en) * | 2018-09-28 | 2019-01-18 | 童思家 | A kind of application method of door locking mechanism |
| CN109113452A (en) * | 2018-10-10 | 2019-01-01 | 象山企盛智能科技有限公司 | A kind of door locking mechanism and its application method |
| CN109939976A (en) * | 2019-04-16 | 2019-06-28 | 马鞍山小古精密机电科技有限公司 | A kind of instrument productive power road plate cleaning device |
| CN110552301A (en) * | 2019-09-05 | 2019-12-10 | 安增坡 | Environment-friendly town road isolated column |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112117684A (en) | 2020-12-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204067109U (en) | Misoperation-proof locking device | |
| CN112117684B (en) | Electric power metering box and door lock device thereof | |
| CN201981904U (en) | External safe catching lock of cabinet doors | |
| CN204885865U (en) | Vacuum switch cabinet and interlock thereof | |
| CN216893856U (en) | Pick-proof intelligent lock | |
| CN212428378U (en) | Novel electronic control cabinet lock | |
| CN213584912U (en) | Aerify cabinet with multiple protection interlocking device | |
| CN205959921U (en) | External operating device of moulded case circuit -breaker | |
| CN205159829U (en) | Theftproof JP cabinet | |
| CN206801248U (en) | A kind of electromagnetic lock | |
| CN220764130U (en) | Mounting structure of wall-mounted charging pile circuit breaker | |
| CN216750726U (en) | Multifunctional switch cabinet for electrical engineering | |
| CN213878800U (en) | Put locking device of cabinet in KYN28A | |
| CN216872546U (en) | High-voltage switch cabinet capable of preventing mistaken touch of door | |
| CN220849215U (en) | Multifunctional lock for electrical cabinet | |
| CN214124422U (en) | Panel mounting structure of power distribution cabinet | |
| CN215221412U (en) | Moisture-proof low-voltage draw-out type switch cabinet | |
| CN220821339U (en) | Back door interlocking device of grounding switch | |
| CN217387968U (en) | Low-voltage distribution box with prevent mistake opening mechanism | |
| CN214673595U (en) | Indoor switch cabinet convenient to overhaul | |
| CN215986455U (en) | Mutual inductor saturation sampling signal identification device for preventing transformer differential protection from being mistakenly used | |
| CN219993425U (en) | Distribution box mechanical coded lock | |
| CN220133742U (en) | Energy-storage outdoor cabinet lock | |
| CN113090126B (en) | Waterproof power distribution cabinet | |
| CN207165482U (en) | Switch cabinet grounding switch anti-misoperation apparatus |
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 | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210524 Address after: 264000 Jiefang Road 158, Zhifu District, Yantai, Shandong Applicant after: State Grid Shandong Electric Power Company Yantai Power Supply Co. Address before: 264000 Jiefang Road 158, Zhifu District, Yantai, Shandong Applicant before: State Grid Shandong Electric Power Company Yantai Power Supply Co. Applicant before: STATE GRID CORPORATION OF CHINA |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |