CN104868319B - A kind of protective earth - Google Patents
A kind of protective earth Download PDFInfo
- Publication number
- CN104868319B CN104868319B CN201510241150.6A CN201510241150A CN104868319B CN 104868319 B CN104868319 B CN 104868319B CN 201510241150 A CN201510241150 A CN 201510241150A CN 104868319 B CN104868319 B CN 104868319B
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- Prior art keywords
- block
- key
- wire
- insulating bar
- conductive clamp
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- 230000001681 protective effect Effects 0.000 title claims abstract description 10
- 230000000694 effects Effects 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The present invention relates to a kind of protective earth, it includes ground connection termination, conductive clamp, insulating bar and connection described ground connection termination and the wire of described conductive clamp, also includes for limiting block escapement and the block escapement opening tool that conductive clamp is opened.The present invention is not on the premise of connecting earth terminal, and the lid of blocked mechanical system cannot be opened, it is to avoid operator's maloperations, further ensures the safety of operation, and the present invention possesses simple in construction, safe and reliable easy to use, anti-slip feature.
Description
Technical field
The present invention relates to a kind of grounding device, be specifically related to a kind of protective earth.
Background technology
At power domain, widely, being usually the accident in order to avoid occurring can be at the gold of electrical equipment in the use of earth lead
Belong to and above shell, connect an electric wire, the other end of electric wire is accessed the earth, can be quiet once electrical equipment generation electric leakage earth lead
Electricity is brought into the earth and discharges.Existing earth lead is typically made up of ground connection termination, conductive clamp, wire and insulating bar, operation rule
Journey specifies, carrying out ground connection operation when, needs first to connect ground connection termination, then reconnects conductive clamp, can not first connect conduction
Folder.But many times careless and inadvertent due to operator, on the premise of the not yet ground connection of ground connection termination, it is directly connected to conduction
Folder, if electrical leakage, it may occur that serious electric shock accidents, and conductive clamp and charging equipment connect often occur to slip and
Loosen, there is potential safety hazard.
In view of this, a kind of protective earth of invention is needed.
Summary of the invention
It is an object of the invention to overcome the defect of prior art, it is provided that a kind of protective earth, it can avoid ground connection
The order maloperation of line ground connection, enforceable first connection ground connection termination, possess simple in construction, feature easy to use, anti-loose.
To achieve these goals, the technical scheme that the present invention takes is as follows:
A kind of protective earth, it includes ground connection termination, conductive clamp, insulating bar and connection described ground connection termination and described leads
The wire of electricity folder, its key technology is, also includes for limiting block escapement and the anti-off line of block that conductive clamp is opened
Structure opening tool；
Described block escapement includes block set and for opening and closing the lid of described block set, described block set
Inwall is provided with catching groove, and described lid includes cover plate and is fixedly installed on the limited block inside described cover plate, and described cover plate is opened
It is provided with for the wire guide through wire with for the insulating bar trepanning through insulating bar, described cover plate is provided with two wirings
Hole, is provided with wiring in described wiring hole, described limited block is provided with and communicates with described wire guide and described insulating bar trepanning
Fluting, described limited block outer rim is provided with the buckle teeth matched with described catching groove, in described limited block, is provided with lock core, institute
State lock core to pass through to be connected with described buckle teeth in flakes, outside described lock core, be provided with lockhole；
Described block escapement opening tool is the unlocking key matched with described lock core, and described unlocking key includes key
Key bit and the shank of the key being connected with described key bit, the free end of described key bit is provided with prong, and described the shank of the key is arranged
There is external screw thread；
Described ground connection termination includes that contiguous block is fixed the screw rod being connected and matches with described screw rod with described contiguous block
Nut, the free end of described screw rod is provided with U-shaped jaw；
Described conductive clamp is arranged in described block set, and described wire and insulating bar are each passed through wire guide and insulating bar set
Hole, described buckle teeth buckles inside described catching groove, and described unlocking key activity is embedded in described nut.
Further improving as the present invention, described external screw thread matches with the screw thread in described nut, described unlatching key
Spoon is placed in described nut, and described 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 is only when, after the ground connection of ground connection termination, after screw rod screws in nut, just being screwed out by unlocking key, then with opening
Block escapement opened by tunkey spoon, is taken out by conductive clamp, connects charging equipment.Operator are not before connecting earth terminal
Putting, the lid of block escapement cannot be opened, it is to avoid operator's maloperations, further ensures the safety of operation
Property.The present invention blocks the wiring on escapement and reinforces the connection between charging equipment and conductive clamp.The present invention possesses structure letter
Single, safe and reliable feature easy to use.
Accompanying drawing explanation
Accompanying drawing 1 is in blocked styate structural representation for conductive clamp end seal of the present invention lock escapement；
Accompanying drawing 2 is A partial enlarged drawing；
Accompanying drawing 3 is in opening structural representation for conductive clamp end seal of the present invention lock escapement；
Accompanying drawing 4 is in screw-in status architecture schematic diagram for earth terminal head end of the present invention block escapement opening tool；
Accompanying drawing 5 is in back-out status architecture schematic diagram for earth terminal head end of the present invention block escapement opening tool；
Accompanying drawing 6 is cover body structure schematic diagram of the present invention；
Accompanying drawing 7 blocks escapement opening tool structural representation for 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 clamps, 3 insulating bars, 4 wires, 5
Block set, 51 catching grooves, 6 lids, 61 cover plates, 611 wire guides, 612 insulating bar trepannings, 613 wiring holes, 62 limited blocks, 621 open
Groove, 622 buckle teeth, 623 lock cores, 624 in flakes, 625 lockholes, 7 unlocking keys, 71 key bits, 711 prongs, 72 the shank of the keys, outside 721
Screw thread, 8 wirings.
Detailed description of the invention
Below in conjunction with accompanying drawing 1-7, the present invention is carried out further details of narration.
As shown in accompanying drawing 1,2,3 and 6, a kind of protective earth, it includes ground connection termination 1, conductive clamp 2, insulating bar 3 and
Connect the wire 4 of described ground connection termination 1 and described conductive clamp 2, also include for limiting the block escapement that conductive clamp 2 is opened
With block escapement opening tool.
Described block escapement includes block set 5 and for opening and closing the lid 6 of described block set 5, described envelope
Lock tube 5 inwall is provided with catching groove 51, and described lid 6 includes cover plate 61 and is fixedly installed on the limited block inside described cover plate 61
62, described cover plate 61 offers for the wire guide 611 through wire 4 with for the insulating bar trepanning through insulating bar 3
612, described cover plate 61 is provided with two wiring holes 613, is provided with wiring 8 in described wiring hole 613, on described limited block 62
Being provided with the fluting 621 communicated with described wire guide 611, described insulating bar trepanning 612 and wiring hole 613, described wiring 8 is positioned at
In fluting 621, described limited block 62 outer rim is provided with the buckle teeth 622 matched with described catching groove 51, in described limited block 62
Being provided with lock core 623, described lock core 623 is connected with described buckle teeth 622 by flakes 624, and described lock core 623 is outside is provided with lock
Hole 625.Wire 4 and the insulating bar 3 of described conductive clamp 2 end are each passed through wire guide 611 and insulating bar trepanning 612, described conduction
Folder 2 is embedded in described block set 5, and described buckle teeth 622 buckles inside described catching groove 51.
As shown in Figure 7, described block escapement opening tool is the unlocking key 7 matched with described lock core 623, institute
State unlocking key 7 and include described key bit 71 and the shank of the key 72 being connected with described key bit 71, the freedom of described key bit 71
End is provided with prong 711, and described the shank of the key 72 is provided with external screw thread 721.
As shown in figs. 4 and 5, described ground connection termination 1 includes contiguous block 11 and the described fixing screw rod being connected of contiguous block 11
12 and the nut 13 that matches with described screw rod 12, the free end of described screw rod 12 is provided with U-shaped jaw 121, described external screw thread
721 match with the screw thread in described nut 13, and described unlocking key 7 is placed in described nut 13, and described screw rod 12 is also provided with
In described nut 13, described key bit 71 is disposed in proximity to the side of screw rod 12.Described prong 711 leans on mutually with U-shaped jaw 121
Closely.
The using method of the present invention is as follows:
As shown in accompanying drawing 3,4 and 5, first screw rod 12 is reversely screwed out, now due to the external screw thread 721 on the shank of the key 72 with
Nut 13 is interlocked, and unlocking key 7 and nut 13 are integrated and screw off, and is screwed on screw rod 12 by nut 13 after the ground connection of ground connection termination,
When screw rod 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
Time, owing to prong 711 and U-shaped jaw 121 contact, when screw rod 12 rotates, U-shaped jaw 121 drives prong 711 to rotate, this
Time unlocking key 7 relative to screw rod keep geo-stationary, relative to nut rotation, after the shank of the key 72 screws out from nut 13,
Unlocking key can take off.Then stretch in lockhole 625 with unlocking key 7, rotary locking cylinder 623, drive in flakes 624 by buckle teeth
622 take out of in catching groove 51, can open lid 6, expose conductive clamp 2, complete conductive clamp and connect the job step of energized conductor,
Conductive clamp 2 and charging equipment junction are bundled by wiring 8, prevents from getting loose.
The concrete component of the earth lead that the present invention does not address is known structure, the most no longer addresses.
The above embodiment is only the preferred embodiments of the present invention, and and the feasible enforcement of non-invention exhaustive.Right
For persons skilled in the art, to its done any showing on the premise of without departing substantially from the principle of the invention and spirit
The change being clear to, within all should being contemplated as falling with the claims of the present invention.
Claims (2)
1. a protective earth, it includes ground connection termination (1), conductive clamp (2), insulating bar (3) and connects described ground connection termination
(1) and the wire (4) of described conductive clamp (2), it is characterised in that also include for limiting the block anticreep that conductive clamp (2) is opened
Mechanism and block escapement opening tool；
Described block escapement includes block set (5) and is used for opening and closing the lid (6) of described block set (5), described
Block set (5) inwall is provided with catching groove (51), in described lid (6) includes cover plate (61) and is fixedly installed on described cover plate (61)
The limited block (62) of side, described cover plate (61) offers for the wire guide (611) through wire (4) with for through insulation
The insulating bar trepanning (612) of bar (3), described cover plate (61) is provided with two wiring holes (613), in described wiring hole (613)
It is provided with wiring (8), described limited block (62) is provided with and described wire guide (611) and described insulating bar trepanning (612) phase
Logical fluting (621), described limited block (62) outer rim is provided with the buckle teeth (622) matched with described catching groove (51), described
Being provided with lock core (623) in limited block (62), described lock core (623) is connected with described buckle teeth (622) by (624) in flakes, institute
State lock core (623) outside and be provided with lockhole (625)；
Described block escapement opening tool is the unlocking key (7) matched with described lock core (623), described unlocking key
(7) including key bit (71) and the shank of the key (72) being connected with described key bit (71), the free end of described key bit (71) sets
It is equipped with prong (711), described the shank of the key (72) is provided with external screw thread (721)；
Described ground connection termination (1) includes the fixing screw rod (12) being connected of contiguous block (11) and described contiguous block (11) and with described
The nut (13) that screw rod (12) matches, the free end of described screw rod (12) is provided with U-shaped jaw (121)；
Described conductive clamp (2) is arranged in described block set (5), and described wire (4) and insulating bar (3) are each passed through wire guide
(611) being connected with described wire folder (2) with insulating bar trepanning (612), described buckle teeth (622) buckles in described catching groove (51)
Portion, described unlocking key (7) activity is embedded in described nut (13).
A kind of protective earth the most according to claim 1, it is characterised in that described external screw thread (721) and described nut
(13) screw thread in matches, and described unlocking key (7) is placed in described nut (13), and described key bit (71) is disposed in proximity to
The side of screw rod (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510241150.6A CN104868319B (en) | 2015-05-07 | 2015-05-07 | A kind of protective earth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510241150.6A CN104868319B (en) | 2015-05-07 | 2015-05-07 | A kind of protective earth |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104868319A CN104868319A (en) | 2015-08-26 |
| CN104868319B true CN104868319B (en) | 2016-12-14 |
Family
ID=53913965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510241150.6A Active CN104868319B (en) | 2015-05-07 | 2015-05-07 | A kind of protective earth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104868319B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111883954B (en) * | 2020-07-30 | 2021-10-22 | 国网北京市电力公司 | Error-locking prevention device for grounding wire of power transmission line |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010043801A1 (en) * | 2008-10-14 | 2010-04-22 | Fameca | Device for grounding an electrical conductor of an overhead power line |
| CN102610964A (en) * | 2012-03-29 | 2012-07-25 | 沧州供电公司 | Safe type electric grounding wire |
| CN102916315A (en) * | 2012-10-19 | 2013-02-06 | 沧州供电公司 | Incorrect-operation-prevented electric power grounding wire |
-
2015
- 2015-05-07 CN CN201510241150.6A patent/CN104868319B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010043801A1 (en) * | 2008-10-14 | 2010-04-22 | Fameca | Device for grounding an electrical conductor of an overhead power line |
| CN102610964A (en) * | 2012-03-29 | 2012-07-25 | 沧州供电公司 | Safe type electric grounding wire |
| CN102916315A (en) * | 2012-10-19 | 2013-02-06 | 沧州供电公司 | Incorrect-operation-prevented electric power grounding wire |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104868319A (en) | 2015-08-26 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Yan Inventor before: Yang Ruiliang Inventor before: Yin Shaoqian |
|
| COR | Change of bibliographic data | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20161031 Address after: 401320 Chongqing city Banan District Yudong Street dawn village 13 Applicant after: CHONGQING YINGRUISHENG DIE CASTING Co.,Ltd. Address before: Tianhe District Tong East Road Guangzhou city Guangdong province 510665 B-101 No. 5, room B-118 Applicant before: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Effective date of registration: 20161031 Address after: Tianhe District Tong East Road Guangzhou city Guangdong province 510665 B-101 No. 5, room B-118 Applicant after: GUANGDONG GAOHANG INTELLECTUAL PROPERTY OPERATION Co.,Ltd. Address before: 050301 Jingxing City, Shijiazhuang Province, Hebei Town, the town of Zhu Tuan Village Applicant before: Yang Ruiliang |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200103 Address after: 401320 No. 249 Yunan Avenue, Banan District, Chongqing, 8-29 Patentee after: Chongqing Boshi Intellectual Property Service Co.,Ltd. Address before: 401320 Chongqing city Banan District Yudong Street dawn village 13 Patentee before: CHONGQING YINGRUISHENG DIE CASTING Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200116 Address after: 224000 in the industrial park on the north side of Rongtai Road, Yangxu village, panhuang street, Yandu District, Yancheng City, Jiangsu Province Patentee after: Yancheng Leisida Electrical Equipment Co.,Ltd. Address before: 401320 No. 249 Yunan Avenue, Banan District, Chongqing, 8-29 Patentee before: Chongqing Boshi Intellectual Property Service Co.,Ltd. |
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| TR01 | Transfer of patent right |