CN104901028B - A kind of safety grounding device - Google Patents

A kind of safety grounding device Download PDF

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Publication number
CN104901028B
CN104901028B CN201510228682.6A CN201510228682A CN104901028B CN 104901028 B CN104901028 B CN 104901028B CN 201510228682 A CN201510228682 A CN 201510228682A CN 104901028 B CN104901028 B CN 104901028B
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CN
China
Prior art keywords
key
insulating bar
lock core
conductive clip
buckle teeth
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
Application number
CN201510228682.6A
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Chinese (zh)
Other versions
CN104901028A (en
Inventor
王金忠
张东坡
张立朋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Maintenance Branch of State Grid Hebei Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Maintenance Branch of State Grid Hebei Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Maintenance Branch of State Grid Hebei Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201510228682.6A priority Critical patent/CN104901028B/en
Publication of CN104901028A publication Critical patent/CN104901028A/en
Application granted granted Critical
Publication of CN104901028B publication Critical patent/CN104901028B/en
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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/58Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
    • H01R4/66Connections with the terrestrial mass, e.g. earth plate, earth pin
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/58Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
    • H01R4/64Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/58Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
    • H01R4/64Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
    • H01R4/646Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail for cables or flexible cylindrical bodies

Abstract

The present invention relates to a kind of safety grounding device, and it includes being grounded termination, conductive clip, insulating bar and the wire of the connection ground connection termination and the conductive clip, and its key technology is, in addition to for limiting the blocked mechanical system and blocked mechanical system opening tool of conductive clip opening.On the premise of no connection earth terminal, the lid of blocked mechanical system can not be opened the present invention, avoid operating personnel's maloperation, further ensure the security of operation, and the present invention possesses the characteristics of simple in construction, safe and reliable easy to use.

Description

A kind of safety grounding device
Technical field
The present invention relates to a kind of earthing or grounding means, and in particular to a kind of safety grounding device.
Background technology
In power domain, the use of ground wire is very extensive, usually can be in the gold of electrical equipment in order to avoid the accident of appearance Belong to and an electric wire is connected above shell, the other end of electric wire is accessed into the earth, ground wire can be quiet when electrical equipment leaks electricity Electricity is brought into the earth and discharged.Existing ground wire is typically formed by being grounded termination, conductive clip, wire and insulating bar, operation rule Journey provides, it is necessary to which first connection is grounded termination when ground connection operation is carried out, then reconnects conductive clip, can not first connect conduction Folder.But many times because operating personnel are negligent of general idea, on the premise of being not yet grounded in ground connection termination, it is directly connected to conduction Folder, if electrical leakage, it may occur that serious electric shock accidents.
In view of this, it is necessary to invent a kind of safety grounding device.
The content of the invention
The defects of it is an object of the invention to overcome prior art, there is provided a kind of safety grounding device, it can avoid connecing Ground wire grounded order maloperation, enforceable first connection ground connection termination, possesses the characteristics of simple in construction, easy to use.
To achieve these goals, the technical scheme that the present invention takes is as follows:
A kind of safety grounding device, it includes being grounded termination, conductive clip, insulating bar and the connection ground connection termination and described The wire of conductive clip, its key technology are, in addition to blocked mechanical system and blocked mechanical system for limiting conductive clip opening are opened Part;
The blocked mechanical system includes block set and the lid for opening and closing the block set, the block set inwall The first catching groove and the second catching groove are provided with, the lid includes cover plate and the limited block being fixedly installed on the inside of the cover plate, institute State and offered on cover plate for the wire guide through wire and for the insulating bar sets of holes through insulating bar, the limited block outer rim The first buckle teeth to match with first catching groove and the second buckle teeth to match with second catching groove are respectively arranged with, it is described The first lock core and the second lock core are provided with limited block, first lock core is connected with first buckle teeth in flakes by first, The first lockhole is provided with outside first lock core, second lock core is connected with second buckle teeth in flakes by second, institute State and the second lockhole be provided with outside the second lock core, be provided with the limited block fluting that is communicated with the insulating bar sets of holes and with What the wire guide communicated crosses groove;
The blocked mechanical system opening tool is the unlocking key that matches with first lockhole and the second lockhole, the unlatching Key includes the key bit and the shank of the key being connected with the key bit, the free end of the key bit are provided with prong, External screw thread is provided with the shank of the key;
The ground connection termination includes contiguous block, the screw rod that is fixedly connected with the contiguous block and matched with the screw rod Nut, the free end of the screw rod are provided with U-shaped jaw;
By wire guide and excessively, groove is connected the wire with the conductive clip being arranged in the block set, the insulating bar point Insulating bar sets of holes and fluting Chuan Guo not led and be connected with the conductive clip being arranged in the block set, first buckle teeth is buckled in institute State inside the first catching groove, second buckle teeth is buckled inside second catching groove, and the unlocking key activity is embedded at described In nut.
As further improvement of the invention, the external screw thread matches with the screw thread in the nut, the unlatching key Spoon is placed in the nut, and the key bit is disposed in proximity to the side of screw rod.
Compared with prior art, having the beneficial effect that acquired by the present invention:
The present invention after screw rod screw-in nut, can just screw out unlocking key, then with opening only after the ground connection of ground connection termination Tunkey spoon opens blocked mechanical system, and conductive clip is taken out, and connects charging equipment.Premise of the operating personnel in no connection earth terminal Under, the lid of blocked mechanical system can not be opened, and avoid operating personnel's maloperation, further ensure the security of operation, this hair It is bright to possess the characteristics of simple in construction, safe and reliable easy to use.
Brief description of the drawings
Accompanying drawing 1 is that conductive clip end seal latch mechanism of the present invention is in blocked styate structural representation;
Accompanying drawing 2 is blocked mechanical system structural representation of the present invention;
Accompanying drawing 3 is that earth terminal head end blocked mechanical system opening tool of the present invention is in screw-in status architecture schematic diagram;
Accompanying drawing 4 is that earth terminal head end blocked mechanical system opening tool of the present invention is in back-out status architecture schematic diagram;
Accompanying drawing 5 is cover body structure schematic diagram of the present invention;
Accompanying drawing 6 is blocked mechanical system opening tool structural representation of the present invention;
In the accompanying drawings:
1 ground connection termination, 11 contiguous blocks, 12 screw rods, 121 U-shaped jaws, 13 nuts, 2 conductive clips, 3 conductive clips, 4 wires, 5 Block set, 51 first catching grooves, 6 lids, 61 cover plates, 611 wire guides, 612 insulating bar sets of holes, 62 limited blocks, 621 slot, 622 the One buckle teeth, 623 first lock cores, 624 first in flakes, 625 first lockholes, 631 cross grooves, 632 second buckle teeth, 633 second lock cores, 634 second in flakes, 635 second lockholes, 636 long vias, 7 unlocking keys, 71 key bits, 711 prongs, 72 the shank of the keys, outside 721 Screw thread.
Embodiment
Further details of narration is carried out to the present invention below in conjunction with accompanying drawing 1-6.
As shown in accompanying drawing 1,2,3 and 5, a kind of safety grounding device, it includes being grounded termination 1, conductive clip 2, the and of insulating bar 3 The wire 4 of the ground connection termination 1 and the conductive clip 2 is connected, in addition to for limiting the blocked mechanical system and envelope of the opening of conductive clip 2 Latch mechanism opening tool.
The blocked mechanical system includes block set 5 and the lid 6 for opening and closing the block set 5, the block set 5 Inwall is provided with the first catching groove 51 and the second catching groove 52, and the lid 6 includes cover plate 61 and is fixedly installed in the cover plate 61 The limited block 62 of side, offer on the cover plate 61 for the wire guide 611 through wire 4 and for through the exhausted of insulating bar 3 Edge rod set hole 612, the outer rim of limited block 62 be respectively arranged with the first buckle teeth 622 for matching with first catching groove 51 and with The second buckle teeth 632 that second catching groove 52 matches, the first lock core 623 and the second lock core are provided with the limited block 62 633, first lock core 623 624 is connected with first buckle teeth 622 in flakes by first, is set outside first lock core 623 It is equipped with the first lockhole 625, second lock core 633 634 is connected with second buckle teeth 632 in flakes by second, and described second The second lockhole 635 is provided with outside lock core 633, is provided with the limited block 62 and is opened with what the insulating bar sets of holes 612 communicated Groove 621 and the groove 631 excessively communicated with the wire guide 611, the wire 4 is by wire guide 611 and groove 631 excessively with being arranged at institute The conductive clip 2 stated in block set 5 is connected, and the insulating bar 3, which is each passed through, leads insulating bar sets of holes 612 and fluting 621 with being arranged at Conductive clip 2 in the block set 5 is connected, and first buckle teeth 622 is buckled inside first catching groove 51, second button Tooth 632 is buckled inside second catching groove 52.
As shown in Figure 6, the blocked mechanical system opening tool is to match with the lockhole 635 of the first lockhole 625 and second Unlocking key 7, the unlocking key 7 includes key bit 71 and the shank of the key 72 that is connected with the key bit 71, the key First 71 free end is provided with prong 711, and external screw thread 721 is provided with the shank of the key 72.
As shown in Figure 3, the screw rod 12 that the ground connection termination 1 includes contiguous block 11, is fixedly connected with the contiguous block 11 With the nut 13 to match with the screw rod 12, the free end of the screw rod 12 is provided with U-shaped jaw 121, the external screw thread 721 Match with the screw thread in the nut 13, the unlocking key 7 is placed in the nut 13, and the screw rod 12 is also disposed on institute State in nut 13, the key bit 71 is disposed in proximity to the side of screw rod 12.The prong 711 and U-shaped jaw 121 are mutually close.
The application method of the present invention is as follows:
As shown in Figure 4, screw rod 12 is reversely screwed out first, now due to the external screw thread 721 and nut on the shank of the key 72 13 are interlocked, and unlocking key 7 and nut 13 are integrated and screwed off, and nut 13 are screwed on screw rod 12 after the ground connection of ground connection termination, in spiral shell When bar 12 is not in contact with unlocking key 7, unlocking key 7 keeps geo-stationary with nut.When screw rod 12 touches unlocking key 7, Because prong 711 and U-shaped jaw 121 are in contact, when screw rod 12 rotates, U-shaped jaw 121 drives prong 711 to rotate, and now opens Tunkey spoon 7 keeps geo-stationary relative to screw rod, relative to nut rotation, after the shank of the key 72 screws out from nut 13, opens Key can be removed.Then stretched into unlocking key 7 in lockhole 625, rotary locking cylinder 623, drive in flakes 624 by buckle teeth 622 from Taken out of in catching groove 51, you can open lid 6, expose conductive clip 2, complete the job step of conductive clip connection energized conductor.
The position of fluting 621, mistake groove 631, the second lock core 633 and the first lock core 623 can be according to specific in the present invention Situation is adjusted, and fluting is arranged at the second lock property 633 and first among lock core 623 in the present embodiment, for through Insulating bar 3, the groove 631 of crossing are arranged between the catch 632 of the second lock core 633 and second, for through wire 4, now Long via 636 is offered on second in flakes 634, for through wire 4.Certainly, fluting 621 can be located at institute with groove 631 is crossed State between the first lock core 623 and the second lock core 633, so long via 636 is just not essential.
The specific component for the ground wire that the present invention does not address is known structure, is no longer addressed herein.
Embodiment described above is only the preferred embodiments of the present invention, and the simultaneously exhaustion of the feasible implementation of non-invention.It is right For persons skilled in the art, on the premise of without departing substantially from the principle of the invention and spirit to any aobvious made by it and The change being clear to, it should all be contemplated as falling with the claims of the present invention.

Claims (2)

1. a kind of safety grounding device, it includes being grounded termination (1), conductive clip (2), insulating bar (3) and the connection earth terminal The wire (4) of head (1) and the conductive clip (2), it is characterised in that also include being used for the block machine for limiting conductive clip (2) opening Structure and blocked mechanical system opening tool;
The blocked mechanical system includes block set (5) and the lid (6) for opening and closing the block set (5), the block Set (5) inwall is provided with the first catching groove (51) and the second catching groove (52), and the lid (6) includes cover plate (61) and is fixedly installed on Limited block (62) on the inside of the cover plate (61), offer on the cover plate (61) for the wire guide (611) through wire (4) It is respectively arranged with and described first with for the insulating bar sets of holes (612) through insulating bar (3), limited block (62) outer rim The first buckle teeth (622) that catching groove (51) matches and the second buckle teeth (632) to match with second catching groove (52), it is described Be provided with the first lock core (623) and the second lock core (633) in limited block (62), first lock core (623) by first in flakes (624) it is connected with first buckle teeth (622), is provided with the first lockhole (625) outside first lock core (623), described the Two lock cores (633) by second in flakes (634) be connected with second buckle teeth (632), set outside second lock core (633) Have the second lockhole (635), be provided with the limited block (62) fluting (621) that is communicated with the insulating bar sets of holes (612) and What is communicated with the wire guide (611) crosses groove (631);
The blocked mechanical system opening tool is the unlocking key to match with first lockhole (625) and the second lockhole (635) (7), the unlocking key (7) includes key bit (71) and the shank of the key (72) being connected with the key bit (71), the key The free end of head (71) is provided with prong (711), and external screw thread (721) is provided with the shank of the key (72);
Ground connection termination (1) include contiguous block (11), the screw rod (12) that is fixedly connected with the contiguous block (11) and with it is described The nut (13) that screw rod (12) matches, the free end of the screw rod (12) are provided with U-shaped jaw (121);
The wire (4) is by wire guide (611) and crosses groove (631) and conductive clip (2) phase being arranged in the block set (5) Even, the insulating bar (3) is each passed through insulating bar sets of holes (612) and slots (621) with being arranged at leading in the block set (5) Electricity folder (2) is connected, and first buckle teeth (622) buckles to be buckled in first catching groove (51) inside, second buckle teeth (632) Internal in second catching groove (52), unlocking key (7) activity is in the nut (13).
2. a kind of safety grounding device according to claim 1, it is characterised in that the external screw thread (721) and the spiral shell Screw thread in female (13) matches, and the unlocking key (7) is placed in the nut (13), and the key bit (71), which is arranged at, leans on The side of nearly screw rod (12).
CN201510228682.6A 2015-05-07 2015-05-07 A kind of safety grounding device Active CN104901028B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510228682.6A CN104901028B (en) 2015-05-07 2015-05-07 A kind of safety grounding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510228682.6A CN104901028B (en) 2015-05-07 2015-05-07 A kind of safety grounding device

Publications (2)

Publication Number Publication Date
CN104901028A CN104901028A (en) 2015-09-09
CN104901028B true CN104901028B (en) 2018-02-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510228682.6A Active CN104901028B (en) 2015-05-07 2015-05-07 A kind of safety grounding device

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Country Link
CN (1) CN104901028B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201112585Y (en) * 2007-09-17 2008-09-10 广东电网公司中山供电局 Anti-skid grounding wire clamp
CN203800205U (en) * 2014-04-18 2014-08-27 国家电网公司 Flat spiral grounding wire clamp with rotating clamping head
CN203911008U (en) * 2014-06-16 2014-10-29 国家电网公司 Ground wire clamp
CN204088587U (en) * 2014-09-22 2015-01-07 国网山东新泰市供电公司 A kind of Novel connecting ground wire handle arrangement
CN204304021U (en) * 2014-11-19 2015-04-29 国家电网公司 A kind of Novel high-level bus bridge Special grounding wire clip

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201112585Y (en) * 2007-09-17 2008-09-10 广东电网公司中山供电局 Anti-skid grounding wire clamp
CN203800205U (en) * 2014-04-18 2014-08-27 国家电网公司 Flat spiral grounding wire clamp with rotating clamping head
CN203911008U (en) * 2014-06-16 2014-10-29 国家电网公司 Ground wire clamp
CN204088587U (en) * 2014-09-22 2015-01-07 国网山东新泰市供电公司 A kind of Novel connecting ground wire handle arrangement
CN204304021U (en) * 2014-11-19 2015-04-29 国家电网公司 A kind of Novel high-level bus bridge Special grounding wire clip

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