CN107749365B - Interlocking device for grounding switch cabinet door - Google Patents
Interlocking device for grounding switch cabinet door Download PDFInfo
- Publication number
- CN107749365B CN107749365B CN201711043762.XA CN201711043762A CN107749365B CN 107749365 B CN107749365 B CN 107749365B CN 201711043762 A CN201711043762 A CN 201711043762A CN 107749365 B CN107749365 B CN 107749365B
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- Prior art keywords
- interlocking
- cabinet door
- piece
- interlocking piece
- interlock
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- 230000006872 improvement Effects 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/04—Interlocking mechanisms
- H01H31/06—Interlocking mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
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- Respiratory Apparatuses And Protective Means (AREA)
- Patch Boards (AREA)
Abstract
An interlocking device for a grounding switch cabinet door. The problems that the existing earthing switch back door interlocking structure is complex, assembly is troublesome and interlocking is unreliable are solved. It includes mount pad, first interlocking piece and second interlocking piece, the second interlocking piece articulate on the mount pad and can rotate relative mount pad, the second interlocking piece have when earthing switch separating brake with switch cabinet door on the eave tile looks interlocking first state and cabinet door open the back and rotate spacing second state to first interlocking piece, first interlocking piece have when earthing switch separating brake interlock second interlocking piece make second interlocking piece rotate spacing first position and unblock second interlocking piece make second interlocking piece can relative pivoted second position, the second interlocking piece be convenient for the cabinet door with unblock cabinet door and open when first interlocking piece is in the second position. The invention also has the advantages of simple structure, convenient assembly, few parts, low production cost, reliable interlocking, long service life and the like.
Description
Technical Field
The invention relates to a grounding switch, in particular to an interlocking device for a grounding switch cabinet door.
Background
The grounding switch is a mechanical switch used for a circuit grounding part, the grounding switch in the high-voltage switch cabinet is used for ensuring personal safety during maintenance, and the mechanical grounding device is used for grounding and is used for replacing a portable ground wire, so that equipment is grounded during maintenance of high-voltage equipment and circuits, and personal safety is protected; the artificial grounding is caused, and the protection requirement is met. The earthing switch is arranged beside the disconnecting switches on the two sides of the circuit breaker, and the earthing switch plays a role in earthing the two sides when the circuit breaker is overhauled. The existing grounding switch is usually driven to be disconnected or closed by a grounding operation main shaft, an interlocking device is arranged on the grounding operation main shaft, and when a rear door (sealing plate) is closed, the interlocking device is unlocked to operate the grounding switch; when the grounding switch is in a closing state and the back door (closing plate) is opened, the interlocking device is locked, so that the grounding operation main shaft cannot rotate, the grounding switch cannot be opened, and the safety of maintainers is ensured. However, the existing interlocking device is complex in structure and poor in adaptability, needs to be assembled at the middle part and the end part of the main shaft, is troublesome to assemble and insensitive and unreliable in action, so that the interlocking device at the back door is unreliable in interlocking, and certain potential safety hazards exist.
Disclosure of Invention
The invention provides an interlocking device for a grounding switch cabinet door, which aims to solve the problems of complex structure, troublesome assembly and unreliable interlocking of the existing grounding switch rear door in the background art.
The technical scheme of the invention is as follows: an interlocking device for a cabinet door of a grounding switch cabinet comprises a mounting seat arranged on a cabinet body of the switch cabinet and a first interlocking piece in linkage connection with a main shaft of the grounding switch, the first interlocking piece is provided with an interlocking part, the mounting seat is provided with a second interlocking piece, the second interlocking piece is hinged on the mounting seat and can rotate relative to the mounting seat, the second interlocking piece has a first state of interlocking with a hook head on a cabinet door of the switch cabinet when the grounding switch is switched off and a second state of rotating and limiting the rotation of the first interlocking piece after the cabinet door is opened, the first interlocking piece is provided with a first position which interlocks the second interlocking piece to ensure that the second interlocking piece rotates for limiting when the grounding switch is switched off and a second position which unlocks the second interlocking piece to ensure that the second interlocking piece can rotate relatively, the second interlocking piece is unlocked with the cabinet door when the first interlocking piece is in the second position, so that the cabinet door is opened conveniently.
As an improvement of the present invention, the second interlocking member is provided with a notch portion, and the interlocking portion is disposed in the notch portion of the second interlocking member when the first interlocking member is at the first position and limits the rotation of the second interlocking member.
As a further improvement of the present invention, the second interlocking member is provided with a limiting portion for limiting the rotation of the second interlocking member, and the limiting portion is in rotation limiting fit with the interlocking portion when the first interlocking member is at the first position.
As a further improvement of the invention, the mounting seat is provided with a groove, the second interlocking piece is arranged in the groove and is in running fit with the mounting seat, and the limiting part is abutted against the inner wall of the mounting seat when the second interlocking piece is in the second state.
As a further improvement of the present invention, the second interlocking member is provided with an interlocking side surface portion that restricts rotation of the first interlocking member when the second interlocking member is in the second state.
As a further improvement of the present invention, the second interlocking member is provided with an accommodating groove for accommodating the hook on the cabinet door and a hook portion for being engaged with the hook, and the hook portion is interlocked with the hook of the cabinet door when the second interlocking member is in the first state.
As a further improvement of the invention, the hook part is provided with a guide part which is convenient for pulling the hook head to enable the second interlocking piece to rotate and unlock the cabinet door.
As a further improvement of the present invention, the second interlocking member is provided with a driving portion for facilitating driving of the cabinet door, and when the second interlocking member is in the second state, the driving portion drives the second interlocking member to rotate by the hook on the cabinet door and enables the second interlocking member and the hook to be interlocked.
As a further improvement of the invention, the interlocking part is in a fan shape, and the interlocking part is provided with an arc-shaped connecting part protruding outwards at the connecting part with the first interlocking piece.
The interlocking device has the advantages that the first interlocking piece and the second interlocking piece are arranged, the first interlocking piece is in linkage connection with the main shaft, the main shaft can be prevented from misoperation when the first interlocking piece is in rotation limit interlocking, the main shaft is reliably interlocked, and the second interlocking piece enables the first interlocking piece to be in rotation limit when the grounding switch closing cabinet door is opened, so that the main shaft misoperation is prevented from harming the safety of maintainers when the switch cabinet door is opened; the second interlocking piece is arranged, when the switch cabinet door is closed and the grounding switch is opened, the second interlocking piece is pushed by the cabinet door to rotate and is interlocked with the cabinet door, the main shaft can be operated in opening, the switch cabinet rear door is prevented from being opened in a misoperation mode, and the condition that the cabinet door is opened in an opening mode to damage the safety of maintenance personnel is avoided. The invention also has the advantages of simple structure, convenient assembly, few parts, low production cost, reliable interlocking, stable action, quick response, long service life and the like.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic structural view of fig. 1 with the cabinet 4 removed.
Fig. 3 is a schematic view showing second interlock member 3 in a second state according to the embodiment of the present invention.
Fig. 4 is a schematic structural view of fig. 3 with the cabinet 4 removed.
Fig. 5 is an enlarged schematic view of a portion a of fig. 2.
Fig. 6 is an enlarged schematic view of B in fig. 4.
Fig. 7 is a schematic structural view of the mounting seat 1 in fig. 4.
Fig. 8 is a schematic view of second interlock member 3 of fig. 5.
in the figure, 1, a mounting seat; 11. a groove; 2. a first interlocking member; 21. an interlocking section; 22. an arc-shaped connecting part; 3. a second interlock member; 31. a notch portion; 32. a limiting part; 33. an interlocking side portion; 34. a containing groove; 35. a hook portion; 36. a guide portion; 37. a drive section; 4. a cabinet body; 5. a main shaft; 6. a cabinet door; 61. a hook head.
Detailed Description
The embodiments of the invention will be further described with reference to the accompanying drawings in which:
As shown in fig. 1 and fig. 2-8, an interlocking device for a grounding switch cabinet door comprises a mounting seat 1 arranged on a cabinet body 4 of a switch cabinet and a first interlocking member 2 in linkage connection with a main shaft 5 of a grounding switch, wherein an interlocking part 21 is arranged on the first interlocking member 2, a second interlocking member 3 is arranged on the mounting seat 1, the second interlocking member 3 is hinged on the mounting seat 1 and can rotate relative to the mounting seat 1, the second interlocking member 3 has a first state of interlocking with a hook 61 on a cabinet door 6 of the switch cabinet when the grounding switch is switched off and a second state of rotating and limiting the first interlocking member 2 after the cabinet door 6 is opened, the first interlocking member 2 has a first position of interlocking the second interlocking member 3 to limit the rotation of the second interlocking member 3 when the grounding switch is switched off and a second position of unlocking the second interlocking member 3 to enable the second interlocking member 3 to rotate relatively, the second interlocking member 3 is unlocked from the door 6 when the first interlocking member 2 is in the second position to facilitate opening of the door. The interlocking device has the advantages that the first interlocking piece and the second interlocking piece are arranged, the first interlocking piece is in linkage connection with the main shaft, the main shaft can be prevented from misoperation when the first interlocking piece is in rotation limit interlocking, the main shaft is reliably interlocked, and the second interlocking piece enables the first interlocking piece to be in rotation limit when the grounding switch closing cabinet door is opened, so that the main shaft misoperation is prevented from harming the safety of maintainers when the switch cabinet door is opened; the second interlocking piece is arranged, when the switch cabinet door is closed and the grounding switch is opened, the second interlocking piece is pushed by the cabinet door to rotate and is interlocked with the cabinet door, the main shaft can be operated in opening, the switch cabinet rear door is prevented from being opened in a misoperation mode, and the condition that the cabinet door is opened in an opening mode to damage the safety of maintenance personnel is avoided. The invention also has the advantages of simple structure, convenient assembly, few parts, low production cost, reliable interlocking, stable action, quick response, long service life and the like. The earthing switch main shaft is provided with an interlocking device, and the earthing switch main shaft can be directly or indirectly connected with the first interlocking piece. When the grounding switch is in a closing state and closes a cabinet door (a sealing plate or a back door), a hook head on the cabinet door pushes a driving part of a second interlocking piece, the driving part enables the second interlocking piece to rotate, a hook part is clamped with the hook head of the cabinet door after the second interlocking piece rotates, the cabinet door is locked, the circumferential rotation limit of a first interlocking piece is relieved by an interlocking side face part of the second interlocking piece at the moment, the interlocking of a main shaft is relieved, the main shaft can freely rotate (in the closing state of the grounding switch, the cabinet door can be opened or closed), the grounding switch-off switch operation is operated, when the switch cabinet is switched off, the interlocking part of the first interlocking piece rotates to the lower part of the second interlocking piece at the moment, and the interlocking part of the first interlocking piece is just arranged at the part of the second interlocking piece and is matched with the limiting part to realize the rotation limit of the second interlocking piece (namely the second interlocking piece cannot, the second interlocking piece is locked with the hook on the cabinet door, and the cabinet door of the switch cabinet cannot be opened, namely, the second interlocking piece is interlocked with the cabinet door in a brake-off state, and the cabinet door cannot be opened; when the main shaft rotates to enable the grounding switch to be switched from an opening state to a closing state, the first interlocking part rotates the rear interlocking part to unlock the second interlocking part, the second interlocking part can rotate freely relatively, at the moment, the cabinet door (a rear door or a sealing plate) can be opened by pulling the cabinet door, the second interlocking part enables the hook head of the cabinet door to be withdrawn under the driving of the guide part, and the second interlocking piece rotates relative to the mounting seat, when the door is opened, due to the position change of the second interlocking piece after rotation, the interlocking side part of the second interlocking piece realizes the rotation limit of the interlocking part of the first interlocking piece (namely the first interlocking piece can not rotate back to switch on the grounding switch), at the moment, the first interlocking piece is locked and can not rotate, so that the grounding main shaft can not rotate, the back main shaft can not carry out the separating brake operation promptly after back door (cabinet door) are opened, and earthing switch is unable to separate the floodgate, avoids earthing switch maloperation to guarantee maintainer's safety.
The second interlocking member 3 is provided with a notch portion 31, and the interlocking portion 21 is disposed in the notch portion 31 of the second interlocking member 3 when the first interlocking member 2 is at the first position and limits the rotation of the second interlocking member 3. The breach portion set up to the rotation of first interlocking piece and step over to can make the interlocking portion of first interlocking piece locate the below of second interlocking piece when the separating brake state, thereby carry on spacingly to second interlocking piece, avoid second interlocking piece to rotate unblock switch cabinet door, guarantee maintainer's safety.
The second interlocking member 3 is provided with a limiting part 32 for limiting the rotation of the second interlocking member 3, and the limiting part 32 is in rotating limiting fit with the interlocking part 21 when the first interlocking member 2 is at the first position. Specifically speaking, mount pad 1 on be equipped with recess 11, second interlock piece 3 locate in recess 11 and with mount pad 1 normal running fit, spacing portion 32 when second interlock piece 3 is in the second state with the inner wall of mount pad 1 offset. The setting of spacing portion makes the second interlocking piece can not rotate with the cooperation of first interlocking piece when the separating brake state, guarantees that the interlocking of cubical switchboard cabinet door is reliable, avoids the maloperation to open the cabinet door when the separating brake. The setting of spacing portion can be supported mutually with the wall of mount pad when closing state switch cabinet door is opened simultaneously, avoids opening the back second interlock spare at closing state switch cabinet door and crosses the rotation to can not reliably interlock when making switch cabinet door close.
The second interlocking member 3 is provided with an interlocking side surface part 33, and the interlocking side surface part 33 restricts the rotation of the first interlocking member 2 when the second interlocking member 3 is in the second state. By the structure, when the switch cabinet door of the switch cabinet in the closing state of the grounding switch is opened, the rotation of the first interlocking piece is limited, and the life and property loss of workers caused by misoperation of the opening grounding switch is avoided.
Second interlock piece 3 on be equipped with the storage tank 34 that is used for holding eave tile 61 on cabinet door 6 and be used for the hook portion 35 with eave tile 61 looks joint, hook portion 35 interlock mutually with eave tile 61 of cabinet door 6 when second interlock piece 3 is in first state. The structure ensures that the second interlocking piece is reliably and conveniently interlocked with the hook head on the cabinet door. Specifically, the hook portion 35 is provided with a guide portion 36 for facilitating the pulling of the hook 61 to enable the second interlocking member 3 to rotate and unlock the cabinet door 6. The setting of guide part makes the second interlock spare open the unblock convenient, avoids interfering the dead cabinet door of card and is difficult to open for the combined floodgate state is the cubical switchboard door convenience.
The second interlocking member 3 on be equipped with the drive division 37 that is convenient for cabinet door 6 drive, drive division 37 when second interlocking member 3 is in the second state by the eave tile 61 drive its rotation on the cabinet door 6 and make second interlocking member 3 and eave tile 61 interlock mutually. The setting of drive division is convenient for the cabinet door and is pushed away for the second interlock spare rotates reliably, and the setting of drive division also avoids the second interlock spare to cross rotate simultaneously and makes the interlocking that the product can not be reliable. Specifically, the second interlocking member is located at the hinge shaft to the actuating portion at a distance greater than the hinge shaft to the bottom of the recess. More specifically, the driving portion has an arc shape. Such structure makes the product interfere less when the cabinet door pushes away, and the second interlock piece rotates reliably to make the product interlocking reliable and steady.
The interlocking part 21 is fan-shaped, and an arc-shaped connecting part 22 protruding outwards is arranged at the connecting part of the interlocking part 21 and the first interlocking part 2. The structure ensures that the interlocking part has high strength and can be reliably fixed on the first interlocking piece.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The skilled person should understand that: although the invention has been described in terms of the above specific embodiments, the inventive concept is not limited thereto and any modification applying the inventive concept is intended to be included within the scope of the patent claims.
Claims (9)
1. The interlocking device for the grounding switch cabinet door is characterized by comprising a mounting seat (1) arranged on a switch cabinet body (4) and a first interlocking piece (2) in linkage connection with a grounding switch main shaft (5), wherein an interlocking part (21) is arranged on the first interlocking piece (2), a second interlocking piece (3) is arranged on the mounting seat (1), the second interlocking piece (3) is hinged on the mounting seat (1) and can rotate relative to the mounting seat (1), the second interlocking piece (3) has a first state in which the second interlocking piece (3) is interlocked with a hook head (61) on the switch cabinet door (6) when the grounding switch is switched off and a second state in which the cabinet door (6) is opened and then rotates and limits the rotation of the first interlocking piece (2), and the first interlocking piece (2) has a first position in which the second interlocking piece (3) is interlocked when the grounding switch is switched off and unlocks the second interlocking piece (3) to limit the rotation of the second interlocking piece (3) And in a second position capable of rotating relatively, the second interlocking piece (3) is unlocked with the cabinet door (6) when the first interlocking piece (2) is in the second position, so that the cabinet door is opened conveniently.
2. An interlock device according to claim 1, characterized in that the second interlock member (3) is provided with a notch (31), and the interlock portion (21) is provided in the notch of the second interlock member (3) when the first interlock member (2) is in the first position and limits the rotation of the second interlock member (3).
3. The interlocking device of the grounding switch cabinet door as claimed in claim 2, wherein the second interlocking member (3) is provided with a limiting part (32) for limiting the rotation of the second interlocking member (3), and the limiting part (32) is in rotation limiting fit with the interlocking part (21) when the first interlocking member (2) is in the first position.
4. The interlocking device of the grounding switch cabinet door according to claim 3, wherein the mounting seat (1) is provided with a groove (11), the second interlocking member (3) is arranged in the groove (11) and is in running fit with the mounting seat (1), and the limiting part (32) abuts against the inner wall of the mounting seat (1) when the second interlocking member (3) is in the second state.
5. An interlock device for an earthing switch cabinet door according to claim 1, characterized in that said second interlock member (3) is provided with interlock side portions (33), said interlock side portions (33) limiting the rotation of the first interlock member (2) when the second interlock member (3) is in the second state.
6. The interlocking device of the grounding switch cabinet door according to claim 1, wherein the second interlocking member (3) is provided with a containing groove (34) for containing a hook (61) on the cabinet door (6) and a hook portion (35) for being clamped with the hook (61), and the hook portion (35) is interlocked with the hook (61) of the cabinet door (6) when the second interlocking member (3) is in the first state.
7. The interlocking device of the grounding switch cabinet door according to claim 6, wherein the hook portion (35) is provided with a guide portion (36) for facilitating the hook head (61) to pull so that the second interlocking member (3) rotates to unlock the cabinet door (6).
8. The interlocking device of the grounding switch cabinet door according to claim 1, wherein the second interlocking member (3) is provided with a driving part (37) for driving the cabinet door (6), and when the second interlocking member (3) is in the second state, the driving part (37) is driven by a hook (61) on the cabinet door (6) to rotate and enable the second interlocking member (3) to be interlocked with the hook (61).
9. An interlocking device of a grounding switch cabinet door according to claim 1, characterized in that the interlocking part (21) is fan-shaped, and the interlocking part (21) is provided with an arc-shaped connecting part (22) protruding outwards at the connecting part with the first interlocking member (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711043762.XA CN107749365B (en) | 2017-10-31 | 2017-10-31 | Interlocking device for grounding switch cabinet door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711043762.XA CN107749365B (en) | 2017-10-31 | 2017-10-31 | Interlocking device for grounding switch cabinet door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107749365A CN107749365A (en) | 2018-03-02 |
| CN107749365B true CN107749365B (en) | 2019-12-17 |
Family
ID=61253379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711043762.XA Active CN107749365B (en) | 2017-10-31 | 2017-10-31 | Interlocking device for grounding switch cabinet door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107749365B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117856136B (en) * | 2024-03-07 | 2024-05-28 | 温州市恒盛照明电器有限公司 | High-voltage warning device and mounting tool thereof |
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| GB234571A (en) * | 1924-03-13 | 1925-06-04 | Robert Brooks | Improvements relating to electric vehicles |
| CN201323156Y (en) * | 2008-12-15 | 2009-10-07 | 安徽鑫龙电器股份有限公司 | Interlocking mechanism for protecting ground switch against faulty operation |
| CN204696001U (en) * | 2015-03-12 | 2015-10-07 | 厦门先德开关有限公司 | Novel switch cabinet back door locking device |
| KR20160037619A (en) * | 2014-09-29 | 2016-04-06 | 엘에스산전 주식회사 | Mechanical Interlock of Circuit Breaker |
| CN205428759U (en) * | 2016-04-06 | 2016-08-03 | 万控集团有限公司 | Door interlock behind cubical switchboard |
| CN206040504U (en) * | 2016-08-29 | 2017-03-22 | 青岛特锐德电气股份有限公司 | Cubical switchboard earthing switch and back door interlock |
| CN207367862U (en) * | 2017-10-31 | 2018-05-15 | 兴机电器有限公司 | A kind of earthing switch cabinet door interlock |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7315006B2 (en) * | 2006-01-31 | 2008-01-01 | Rockwell Automation Technologies, Inc. | Fuse block with improved unidirectional operator |
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2017
- 2017-10-31 CN CN201711043762.XA patent/CN107749365B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB234571A (en) * | 1924-03-13 | 1925-06-04 | Robert Brooks | Improvements relating to electric vehicles |
| CN201323156Y (en) * | 2008-12-15 | 2009-10-07 | 安徽鑫龙电器股份有限公司 | Interlocking mechanism for protecting ground switch against faulty operation |
| KR20160037619A (en) * | 2014-09-29 | 2016-04-06 | 엘에스산전 주식회사 | Mechanical Interlock of Circuit Breaker |
| CN204696001U (en) * | 2015-03-12 | 2015-10-07 | 厦门先德开关有限公司 | Novel switch cabinet back door locking device |
| CN205428759U (en) * | 2016-04-06 | 2016-08-03 | 万控集团有限公司 | Door interlock behind cubical switchboard |
| CN206040504U (en) * | 2016-08-29 | 2017-03-22 | 青岛特锐德电气股份有限公司 | Cubical switchboard earthing switch and back door interlock |
| CN207367862U (en) * | 2017-10-31 | 2018-05-15 | 兴机电器有限公司 | A kind of earthing switch cabinet door interlock |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107749365A (en) | 2018-03-02 |
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Inventor after: Wang Ruiyuan Inventor after: Tong Yulin Inventor after: Chen Miaoze Inventor after: Hu Jinchang Inventor after: Cai Mengjie Inventor before: Wang Ruiyuan Inventor before: Chen Miaoze Inventor before: Hu Jinchang Inventor before: Cai Mengjie |
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| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 325000 No. 58, Jixian Road, Louqiao Industrial Zone, Ouhai District, Wenzhou City, Zhejiang Province Patentee after: XINGJI ELECTRIC APPLIANCE Co.,Ltd. Address before: 325000, Jixian Road, Wenzhou, Ouhai District, Zhejiang province 12 Patentee before: XINGJI ELECTRIC APPLIANCE Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 325000 58 Jixian Road, Louqiao Industrial Park, Ouhai District, Wenzhou City, Zhejiang Province Patentee after: Xingji Electric Appliance Group Co.,Ltd. Country or region after: China Address before: 325000 58 Jixian Road, Louqiao Industrial Zone, Ouhai District, Wenzhou City, Zhejiang Province Patentee before: XINGJI ELECTRIC APPLIANCE Co.,Ltd. Country or region before: China |