CN205016783U - Protection against electric shock earth connection - Google Patents
Protection against electric shock earth connection Download PDFInfo
- Publication number
- CN205016783U CN205016783U CN201520290429.9U CN201520290429U CN205016783U CN 205016783 U CN205016783 U CN 205016783U CN 201520290429 U CN201520290429 U CN 201520290429U CN 205016783 U CN205016783 U CN 205016783U
- Authority
- CN
- China
- Prior art keywords
- key
- mechanical system
- insulating bar
- conductive clip
- wire
- 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.)
- Expired - Fee Related
Links
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000012212 insulator Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method 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
- 239000002184 metal Substances 0.000 description 1
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- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The utility model relates to a protection against electric shock earth connection, it includes ground connection end, electrically conductive clamp, insulator spindle and connection the ground connection end with the electrically conductive wire that presss from both sides, its key technology lie in, still including being used for the electrically conductive blocked mechanical system and the blocked mechanical system that open of pressing from both sides of restriction to open the piece. The utility model discloses under the prerequisite of not connecting the earthing terminal, blocked mechanical system's lid can't be opened, has avoided the operating personnel maloperation, has further guaranteed the security of operation, the utility model discloses possesses simple structure, safe and reliable convenient to use's characteristics.
Description
Technical field
The utility model relates to a kind of earthing device, is specifically related to a kind of protection against electric shock earth connection.
Background technology
At power domain, the use of earth connection widely, be generally in order to avoid the accident of appearance can connect a wire on the metal shell of electrical equipment, by the other end of electric wire access the earth, electrostatic can be brought into once electrical equipment generation electric leakage earth connection and greatly discharge.Existing earth connection is generally made up of ground connection termination, conductive clip, wire and insulating bar, and operational procedure specifies, when carrying out ground connection operation, needing first to connect ground connection termination, and then connecting conductive clip, first can not connect conductive clip.But many times because operating personnel are negligent of general idea, under the prerequisite of ground connection termination not yet ground connection, directly connect conductive clip, if electrical leakage, serious electric shock accidents can occur.
In view of this, a kind of protection against electric shock earth connection of utility model is needed.
Utility model content
The purpose of this utility model is the defect overcoming prior art, provides a kind of protection against electric shock earth connection, and it can avoid the misoperation of ground connection order, and enforceable first connection ground connection termination, possesses structure simple, feature easy to use.
To achieve these goals, the technical scheme taked of the utility model is as follows:
A kind of protection against electric shock earth connection, it comprises the wire of ground connection termination, conductive clip, insulating bar and connection described ground connection termination and described conductive clip, and its key technology is, also comprises for limiting the blocked mechanical system and blocked mechanical system opening tool that conductive clip opens;
Described blocked mechanical system comprises the lid blocking and overlap and for opening and closing described blockade cover, described blockade cover inwall is provided with catching groove, described lid comprises cover plate and is fixedly installed on the guide vane end stop inside described cover plate, described cover plate offer for the wire guide through wire with for the insulating bar trepanning through insulating bar, described guide vane end stop is provided with the fluting communicated with described wire guide and described insulating bar trepanning, described guide vane end stop outer rim is provided with the buckle teeth matched with described catching groove, lock core is provided with in described guide vane end stop, described lock core is by being connected with described buckle teeth in flakes, described lock core outer setting has lockhole,
Described blocked mechanical system opening tool is the unlocking key matched with described lock core, the shank of the key that described unlocking key comprises key bit and is connected with described key bit, and the free end of described key bit is provided with prong, and described the shank of the key is provided with external screw thread;
The nut that described ground connection termination comprises contiguous block, the screw rod be fixedly connected with described contiguous block and matches with described screw rod, the free end of described screw rod is provided with U-shaped jaw;
Described conductive clip is arranged in described blockade cover, and described wire and insulating bar are each passed through wire guide and are connected with described conductive clip with insulating bar trepanning, and described buckle teeth buckles at described catching groove inner, and described unlocking key is arranged in described nut.
Further improve as the utility model, the screw thread in described external screw thread and described nut matches, and described unlocking key is placed in described nut, and described key bit is arranged at the side near screw rod.
Compared with prior art, the beneficial effect acquired by the utility model is as follows:
The utility model only has when after the ground connection of ground connection termination, and unlocking key just can screw out, then open blocked mechanical system with unlocking key after screwing in nut by screw rod, is taken out by conductive clip, connects charging equipment.Operating personnel are under the prerequisite not connecting earth terminal, and the lid of blocked mechanical system cannot be opened, and avoids operating personnel's misoperation, further ensures the fail safe of operation, and it is simple that the utility model possesses structure, safe and reliable feature easy to use.
Accompanying drawing explanation
Accompanying drawing 1 is in blocked styate structural representation for the utility model conductive clip end blocked mechanical system;
Accompanying drawing 2 is in opening structural representation for the utility model conductive clip end blocked mechanical system;
Accompanying drawing 3 screws in status architecture schematic diagram for the utility model earth terminal head end blocked mechanical system opening tool is in;
Accompanying drawing 4 screws out status architecture schematic diagram for the utility model earth terminal head end blocked mechanical system opening tool is in;
Accompanying drawing 5 is the utility model cover body structure schematic diagram;
Accompanying drawing 6 is the utility model blocked mechanical system opening tool structural representation;
In the accompanying drawings:
1 ground connection termination, 11 contiguous blocks, 12 screw rods, 121U shape jaw, 13 nuts, 2 conductive clips, 3 conductive clips, 4 wires, 5 block covers, 51 catching grooves, 6 lids, 61 cover plates, 611 wire guides, 612 insulating bar trepannings, 62 guide vane end stops, 621 flutings, 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, 721 external screw threads.
Embodiment
Below in conjunction with accompanying drawing 1-6, detailed further describing is carried out to the utility model.
As shown, a kind of protection against electric shock earth connection of accompanying drawing 1,3 and 5, it wire 4 comprising ground connection termination 1, conductive clip 2, insulating bar 3 and be connected described ground connection termination 1 and described conductive clip 2, also comprises for limiting the blocked mechanical system and blocked mechanical system opening tool that conductive clip 2 opens.
Described blocked mechanical system comprises blockade cover 5 and the lid 6 for opening and closing described blockade cover 5, described blockade cover 5 inwall is provided with catching groove 51, the guide vane end stop 62 that described lid 6 comprises cover plate 61 and is fixedly installed on inside described cover plate 61, described cover plate 61 offer for the wire guide 611 through wire 4 with for the insulating bar trepanning 612 through insulating bar 3, described guide vane end stop 62 is provided with the fluting 621 communicated with described wire guide 611 and described insulating bar trepanning 612, described guide vane end stop 62 outer rim is provided with the buckle teeth 622 matched with described catching groove 51, lock core 623 is provided with in described guide vane end stop 62, described lock core 623 is by 624 being connected with described buckle teeth 622 in flakes, described lock core 623 outer setting has lockhole 625.Described conductive clip 2 is arranged in described blockade cover 5, described wire 4 and insulating bar 3 are each passed through wire guide 611 and are connected with described conductive clip 2 with insulating bar trepanning 612, described buckle teeth 622 buckles at described catching groove 51 inner, and described unlocking key 7 is arranged in described nut 13.
As shown in Figure 6, described blocked mechanical system opening tool is the unlocking key 7 matched with described lock core 623, the shank of the key 72 that described unlocking key 7 comprises key bit 71 and is connected with described key bit 71, the free end of described key bit 71 is provided with prong 711, and described the shank of the key 72 is provided with external screw thread 721.
As shown in Figure 3, the nut 13 that described ground connection termination 1 comprises contiguous block 11, the screw rod 12 be fixedly connected with described contiguous block 11 and 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 matches with the screw thread in described nut 13, described unlocking key 7 is placed in described nut 13, described screw rod 12 is also arranged in described nut 13, and described key bit 71 is arranged at the side near screw rod 12.Described prong 711 is mutually close with U-shaped jaw 121.
Using method of the present utility model is as follows:
As shown in accompanying drawing 2 and 4, first screw rod 12 is oppositely screwed out, now because the external screw thread 721 on the shank of the key 72 is interlocked with nut 13, unlocking key 7 and nut 13 are integrated and screw off, after the ground connection of ground connection termination, nut 13 is screwed on screw rod 12, when screw rod 12 does not contact unlocking key 7, unlocking key 7 and nut keep geo-stationary.When screw rod 12 touches unlocking key 7, because prong 711 and U-shaped jaw 121 contact, when screw rod 12 rotates, U-shaped jaw 121 drives prong 711 to rotate, now unlocking key 7 keeps geo-stationary relative to screw rod, 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 and 624 buckle teeth 622 is taken out of in catching groove 51 in flakes, lid 6 can be opened, expose conductive clip 2, complete the job step of conductive clip connecting band electric conductor.
The concrete component of the earth connection that the utility model is not addressed is known structure, no longer addresses herein.
The above execution mode is only preferred embodiment of the present utility model, and is not the exhaustive of the feasible enforcement of the utility model.For persons skilled in the art, to any apparent change done by it under the prerequisite not deviating from the utility model principle and spirit, all should be contemplated as falling with within claims of the present utility model.
Claims (2)
1. a protection against electric shock earth connection, it wire (4) comprising ground connection termination (1), conductive clip (2), insulating bar (3) and be connected described ground connection termination (1) and described conductive clip (2), it is characterized in that, also comprising for limiting the blocked mechanical system and blocked mechanical system opening tool that conductive clip (2) opens;
Described blocked mechanical system comprises the lid (6) blocking cover (5) and overlap (5) for opening and closing described blockade, described blockade cover (5) inwall is provided with catching groove (51), described lid (6) comprises cover plate (61) and is fixedly installed on the guide vane end stop (62) of described cover plate (61) inner side, described cover plate (61) offer for the wire guide (611) through wire (4) with for the insulating bar trepanning (612) through insulating bar (3), described guide vane end stop (62) is provided with the fluting (621) communicated with described wire guide (611) and described insulating bar trepanning (612), described guide vane end stop (62) outer rim is provided with the buckle teeth (622) matched with described catching groove (51), lock core (623) is provided with in described guide vane end stop (62), described lock core (623) passes through (624) in flakes and is connected with described buckle teeth (622), described lock core (623) outer setting has lockhole (625),
Described blocked mechanical system opening tool is the unlocking key (7) matched with described lock core (623), the shank of the key (72) that described unlocking key (7) comprises key bit (71) and is connected with described key bit (71), the free end of described key bit (71) is provided with prong (711), described the shank of the key (72) is provided with external screw thread (721);
The nut (13) that described ground connection termination (1) comprises contiguous block (11), the screw rod (12) be fixedly connected with described contiguous block (11) and matches with described screw rod (12), the free end of described screw rod (12) is provided with U-shaped jaw (121);
Described conductive clip (2) is arranged in described blockade cover (5), described wire (4) and insulating bar (3) are each passed through wire guide (611) and are connected with described conductive clip (2) with insulating bar trepanning (612), described buckle teeth (622) buckles at described catching groove (51) inner, and described unlocking key (7) is arranged in described nut (13).
2. a kind of protection against electric shock earth connection according to claim 1, it is characterized in that, described external screw thread (721) matches with the screw thread in described nut (13), described unlocking key (7) is placed in described nut (13), and described key bit (71) is arranged at the side near screw rod (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520290429.9U CN205016783U (en) | 2015-05-07 | 2015-05-07 | Protection against electric shock earth connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520290429.9U CN205016783U (en) | 2015-05-07 | 2015-05-07 | Protection against electric shock earth connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205016783U true CN205016783U (en) | 2016-02-03 |
Family
ID=55215369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520290429.9U Expired - Fee Related CN205016783U (en) | 2015-05-07 | 2015-05-07 | Protection against electric shock earth connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205016783U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104901034A (en) * | 2015-05-07 | 2015-09-09 | 国家电网公司 | Grounding device for avoiding misoperaiton of wiring sequence |
-
2015
- 2015-05-07 CN CN201520290429.9U patent/CN205016783U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104901034A (en) * | 2015-05-07 | 2015-09-09 | 国家电网公司 | Grounding device for avoiding misoperaiton of wiring sequence |
| CN104901034B (en) * | 2015-05-07 | 2018-07-24 | 国家电网公司 | A kind of earthing or grounding means avoiding order of connection maloperation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160203 |