CN2421742Y - Safety terminal capable of preventing electricity from fraudulent use - Google Patents
Safety terminal capable of preventing electricity from fraudulent use Download PDFInfo
- Publication number
- CN2421742Y CN2421742Y CN 00224827 CN00224827U CN2421742Y CN 2421742 Y CN2421742 Y CN 2421742Y CN 00224827 CN00224827 CN 00224827 CN 00224827 U CN00224827 U CN 00224827U CN 2421742 Y CN2421742 Y CN 2421742Y
- Authority
- CN
- China
- Prior art keywords
- electricity
- insulating sleeve
- tube connector
- sheath
- equipment
- 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
Images
Landscapes
- Insulating Bodies (AREA)
Abstract
The utility model relates to a safety terminal capable of preventing electricity from fraudulent use, which comprises a metal wiring piece. The utility model is characterized in that the periphery of the metal wiring piece is provided with an electric insulation sheath 1 capable of preventing electricity from fraudulent use; an input conducting wire 17 is inserted into a hole which is arranged on the sheath 1; a positioning device which is arranged on the sheath 1 can be clamped in and can not be pulled out, and the positioning device makes the sheath to be fixed on a device 14; the metal connecting piece adopts equipment connecting pipe 6, one end of the equipment connecting pipe 6 is fixedly connected with a wiring terminal 12, and the other end is provided with a wiring hole which is used for fixing the input conducting wire 17. The utility model has the advantages that fraudulent use of electricity can not be carried out by wiring at the wiring terminals in front of the metering device, the utility model can ensure that protruded conductors are not provided, so the use of the electricity is relative safe.
Description
This reality is novel to relate to a kind of anti-electricity-theft safety joint, specifically is a kind of anti-electricity-theft safety joint that is used for equipment wiring such as current transformer and low-tension transformer.
The binding post that inputs or outputs of original current transformer and low-tension transformer etc. generally adopts device clamp, copper to aluminum adapter bar, line ball nose or lead itself to make form such as line nose being connected between the lead to connect with inputing or outputing, their common defects is that terminals are the bare metal body, objectively for electricity filching person stealing before metering device provides convenience, and also very dangerous without insulation.
The purpose of this utility model is to overcome above defective, provide a kind of electricity filching person can't the binding post before metering device on wiring with stealing, and can guarantee that terminals do not have bare exposed conductor and make the comparatively safe anti-electricity-theft safety joint of electricity consumption.
The novel purpose of this reality is to realize like this, this anti-electricity-theft safety joint, comprise metal connection spare, be characterized in, be provided with anti-electricity-theft insulating sleeve in metal connection spare periphery, sheath is provided with the hole of inserting for input lead, also is provided with the sheath that makes that can only stick into, can not extract on the sheath and is fixed on positioner on the equipment.
Described metal connection spare can adopt the equipment tube connector, and the one end is fixedlyed connected with appliance terminal, and the other end is provided with the wiring hole of fixing cord.
Owing to adopt above structure, the anti-electricity-theft safety joint of the utility model, the exposed part of binding post, wiring part and lead all is sealed in the anti-electricity-theft insulating sleeve, insulating sleeve then firmly is fixed tightly on binding post and the junction block, makes the generation that not have conductor that exposes before the metering device and stopped stealing.If someone takes destructive means to destroy insulating sleeve or insulated conductor stealing, it is clear and definite and verified evidence then to destroy the character of State Grid's facility, and relevant department can punish sternly.Simultaneously, owing to take full-closed structure, its fail safe is apparent.
Below in conjunction with drawings and Examples the utility model is described in further detail.
Fig. 1 is this anti-electricity-theft safety joint sectional side elevation.
Fig. 2 is this anti-electricity-theft safety joint user mode sectional side elevation.
Fig. 3 is the location snap ring vertical view of this anti-electricity-theft safety joint.
Fig. 4 is Fig. 3 front view.
The sectional side elevation of Fig. 5 another kind of location snap ring for this joint adopts.
As shown in Figure 1 and Figure 2, metal connecting piece is fixed on input lead 17 on the binding post 12 of equipment 14, and metal connection spare periphery is provided with anti-electricity-theft insulating sleeve 1, and insulating sleeve 1 usefulness plastics or other insulating material are made.Insulating sleeve 1 can be cylindrical shape, polygon tubular or other shapes, but be preferably cylindrical shape, bottom and equipment junction block 13 are coincide in case leave the stealing gap.Sheath 1 top (also can be its elsewhere, according to actual needs fixed) is provided with the hole 3 of inserting for input lead 17, and sheath 1 top also is provided with neck cover 4, and being used for input lead 17 usefulness insulating tapes and sheath 1 top are wrapped is one, enters in the sheath 1 with waterproof etc.Sheath 1 lower end is provided with and can only sticks into, can not withdraw from makes sheath 1 be fixed on positioner on the equipment 14.The positioner of described only import but no export, can take following structure, be provided with several right-angled triangle teeth 8 as circle in anti-electricity-theft insulating sleeve 1 bottom perpendicular to tube wall, the hypotenuse of its tooth is inclined upwardly, loudspeaker (vertical profile is seen) with radial elastic, flower is distinguished (overlooking) location snap ring 9 (Fig. 3, shown in Figure 4) use fixed by nut on appliance terminal 12, double wedge 10 hypotenuses of location snap ring 9 match with tube wall lance tooth 8 up, and each other can only axial advance, can not axially withdraw to guarantee that insulating sleeve 1 is fixed tightly on the junction block 13, promptly be fixed on the connecting line terminal 12 pipe wall and location snap ring 9 snap ring 9 and the insulating sleeve 1 concave-convex-piece (not shown) in relative rotation of also can setting up defences only in described insulating sleeve 1 bottom.Above-described loudspeaker, flower distinguish that the positioner of shape location snap ring also can be this location snap ring 9 and turns over the turnback use, the snap ring loudspeaker that promptly have a radial elastic up, distinguish location snap ring 16 for falling trumpet flower, this moment, the hypotenuse of this double wedge 15 also will turn over turnback, still match with tube wall lance tooth 8, and each other still can only axial advance, can not axially withdraw from (referring to Fig. 5).The positioner of described only import but no export also can be taked other structures, as: after insulating sleeve 1 is in place, after promptly junction block 13 is resisted in the bottom, from the boring of sheath 1 lower, transverse and throw the countersunk head latch into to the preformed hole of junction block.Perhaps establish unidirectional catching groove on junction block 13, and the lower end cylindrical of sheath 1 is unidirectional protruding hook, sheath 1 can only embed, and can not extract etc.In a word, no matter take what concrete structure, insulating sleeve 1 can only to be sticked into can not extract and be fixed on equipment junction block 13 be purpose on the equipment 14 as long as reach.
Described metal connection spare present embodiment adopts equipment tube connector 6 structures, (brassiness is used to do bolt and nut to equipment tube connector 6 firmly for brass nut and red metal pipe or aluminum pipe two parts are formed, red metal or aluminium matter soft stool are in the crimping lead), two parts are solid as a whole with modes such as welding.The lower end of equipment tube connector 6 is the internal thread 7 that is axial, and its profile is hex nut (hexagon), and its internal thread 7 matches with the external screw thread of appliance terminal 12 and fixedlys connected.The upper end of equipment tube connector 6 is provided with the wiring hole 5 of the fixedly input lead 17 that is axial, being axial wiring hole 5 and being to be provided with between the axial internal thread 7 of equipment tube connector 6 cuts off 11, be the axially middle not conducting of hole of equipment tube connector 6, to guarantee between lead and the equipment enough captured areas being arranged.
Be enclosed within the anti-electricity-theft insulating sleeve 1 of equipment tube connector 6 peripheries, supplying in its upper end and the neck cover 4 inserted the through hole 3 of input lead 17 and wiring hole 5 concentrics of equipment tube connector 6, general and sheath 1 external diameter own and interior fenestra concentric.Between equipment tube connector 6 tops and insulating sleeve 1 top inwall, be provided with sealed insulation packing ring 2, the sealed insulation packing ring 2 general plastic productions that adopt, its external diameter and sheath 1 internal diameter match, its internal diameter and equipment tube connector 6 wiring holes 5 equal diameters, its effect mainly is: for making insulating sleeve 1 outer no any conductor exposed, the neck of sheath 1 upper end overlaps 4 apertures and generally equates with the external diameter of the input lead 17 that is surrounded by insulating barrier, the diameter of the wiring hole 5 of equipment tube connector 6 then with input lead 17 bare wire equal diameters, for preventing, so establish sealed insulation packing ring 2 with sealing and insulation because of the little neck of scurrying out of equipment tube connector 6 upper end external diameters overlaps 4 endoporus 3 or reserves big gap.
Metal connection spare also can still adopt the lead of prior art itself to make structures such as line nose or device clamp, and insulating sleeve 1 being covered on peripheries such as line nose or wire clamp and being fixed on terminals 12 is structure on the equipment 14.But adopt above structure to have than significant disadvantages without equipment tube connector 6, the diameter that is equipment junction block 12 does not generally allow with the excessive sheath 1 of diameter, in other words, adopt above structure wiring place volume excessive, just make that insulating coating 1 diameter is excessive, sheath 1 lower end and junction block contact-making surface leave the gap easily like this, and may cause electricity filching person to have an opportunity to take advantage of, so metal connection spare preferably adopts the structure of equipment tube connector 6.
When present embodiment is installed, with loudspeaker, flower distinguishes that shape location snap ring 9 is fixed tightly on appliance terminal 12, then with insulated conductor 17 (plastics, the rubber lead) strips bare wire head 17 with the corresponding length of tube connector 6 wiring holes, 5 degree of depth, again with insulating sleeve 1, seal washer 2 is inserted in lead the end of a thread 17 successively, subsequently bare wire head 17 is inserted in the wiring hole 5 of equipment tube connector 6, and red metal (aluminium) head is compressed with Crimping Pliers, again equipment tube connector 6 is fixed tightly on the binding post 12, at last insulating sleeve 1 is axially sticked into location snap ring 9 (can not extract), its lower end closely contacts and is fixed tightly on the equipment 14 with junction block 13.
Fig. 2 and present embodiment are only illustrated or are only spoken of the situation that the equipment input terminal uses this anti-electricity-theft safety joint, this anti-electricity-theft safety joint (comprising sheath 1 and equipment tube connector 6 etc.) both can be used for input terminal in actual the use, can be used for outlet terminal again, but also both use simultaneously.
Claims (7)
1, a kind of anti-electricity-theft safety joint, comprise metal connection spare, it is characterized in that, be provided with anti-electricity-theft insulating sleeve (1) in metal connection spare periphery, sheath (1) is provided with the hole (3) of inserting for input lead, also is provided with the sheath (1) that makes that can only stick into, can not extract on the sheath (1) and is fixed on positioner on the equipment.
2, anti-electricity-theft safety joint according to claim 1 is characterized in that, described metal connection spare refers to equipment tube connector (6), and the one end is fixedlyed connected with appliance terminal, and the other end is provided with the wiring hole (5) of fixing cord.
3, anti-electricity-theft safety joint according to claim 2, the wiring hole (5) that it is characterized in that described equipment tube connector (6) is axially, and a described end and appliance terminal is fixedlyed connected and is meant that equipment tube connector (6) lower end is axial internal thread (7) and tightens up with the sub-external screw thread of appliance terminal; Equipment tube connector (6) profile upper end is circular, and the lower end is a hexagon; Described be axial wiring hole (5) and be between the axial internal thread (7) be provided with partition (11), to guarantee enough current-carrying areas.
4, anti-electricity-theft safety joint according to claim 1, it is characterized in that, described insulating sleeve (1) is a cylindrical shape, insulating sleeve (1) top is provided with neck cover (4), the through hole of described insertion lead (3) is located in the top and neck cover (4) of insulating sleeve (1), and with wiring hole (5) concentric of equipment tube connector (6).
5, anti-electricity-theft safety joint according to claim 1, it is characterized in that, described positioner refers to that circle is provided with some right-angled triangle teeth (8) perpendicular to tube wall in anti-electricity-theft insulating sleeve (1) bottom, the hypotenuse of its tooth is downward-sloping, loudspeaker, flower with radial elastic distinguish that shape location snap ring (9) is fixed on appliance terminal, the double wedge (10) of location snap ring (9) matches with tube wall right-angled triangle tooth (8) shape, and each other can only axial advance, can not axially withdraw to guarantee that insulating sleeve (1) being fixed on the junction block.
6, anti-electricity-theft safety joint according to claim 5 is characterized in that, the pipe wall also is provided with location snap ring (9) and prevents snap ring (9) and insulating sleeve (1) concave-convex-piece in relative rotation in described insulating sleeve (1) bottom.
7, according to claim 1,2 or 4 described anti-electricity-theft safety joints, it is characterized in that, between equipment tube connector (6) upper end and insulating sleeve (1) top inwall, be provided with sealed insulation packing ring (2), its external diameter and overcoat (1) internal diameter matches, its internal diameter and equipment tube connector (6) wiring hole (5) equal diameters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00224827 CN2421742Y (en) | 2000-05-15 | 2000-05-15 | Safety terminal capable of preventing electricity from fraudulent use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00224827 CN2421742Y (en) | 2000-05-15 | 2000-05-15 | Safety terminal capable of preventing electricity from fraudulent use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2421742Y true CN2421742Y (en) | 2001-02-28 |
Family
ID=33589089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00224827 Expired - Fee Related CN2421742Y (en) | 2000-05-15 | 2000-05-15 | Safety terminal capable of preventing electricity from fraudulent use |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2421742Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102735893A (en) * | 2011-03-31 | 2012-10-17 | 北京市电力公司 | Device for preventing electricity stealing and electric energy meter |
| CN103645362A (en) * | 2013-12-09 | 2014-03-19 | 国家电网公司 | U-shaped ring electricity stealing prevention casing pipe |
| CN107389997A (en) * | 2016-05-17 | 2017-11-24 | 宁波市惠力诚仪表有限公司 | A kind of plug-in type docking apparatus |
| CN108736177A (en) * | 2018-04-03 | 2018-11-02 | 重庆德普电气有限公司 | Novel wire clamp with weep hole |
-
2000
- 2000-05-15 CN CN 00224827 patent/CN2421742Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102735893A (en) * | 2011-03-31 | 2012-10-17 | 北京市电力公司 | Device for preventing electricity stealing and electric energy meter |
| CN102735893B (en) * | 2011-03-31 | 2015-04-29 | 国家电网公司 | Device for preventing electricity stealing and electric energy meter |
| CN103645362A (en) * | 2013-12-09 | 2014-03-19 | 国家电网公司 | U-shaped ring electricity stealing prevention casing pipe |
| CN107389997A (en) * | 2016-05-17 | 2017-11-24 | 宁波市惠力诚仪表有限公司 | A kind of plug-in type docking apparatus |
| CN108736177A (en) * | 2018-04-03 | 2018-11-02 | 重庆德普电气有限公司 | Novel wire clamp with weep hole |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105913904B (en) | A kind of pre- branch's fireproof cable of flexible mineral matter insulation | |
| CN205692985U (en) | A kind of cable device | |
| CN212011288U (en) | Portable overhead insulated conductor grounding device | |
| CN110504646A (en) | A kind of line repair device | |
| CN204696266U (en) | Power cable L-type splicing ear component | |
| CN2421742Y (en) | Safety terminal capable of preventing electricity from fraudulent use | |
| CN103474795A (en) | Connector for cable with low voltage and large wire diameter | |
| CN204885746U (en) | Transition joint who connects electrical equipment binding post and external conductor | |
| CN202363601U (en) | Bidirectional spinning electric connector | |
| CN206313195U (en) | Connector | |
| CN211086495U (en) | Cable insulation test device | |
| CN219677636U (en) | Connection structure of cable binding post | |
| CN204732629U (en) | The quick connecting elements of insulation of electrical installation | |
| CN204760567U (en) | Insulated wire L type connecting terminal | |
| CN2276215Y (en) | Screwed sleeve conductor connecting pipe | |
| CN2678154Y (en) | Cable connector with conicalness crimping spool | |
| CN2147654Y (en) | Quick conducting wire connector | |
| CN204741099U (en) | T type connecting terminal component for electrical equipment | |
| CN2179637Y (en) | Wire connector | |
| CN117175228A (en) | Quick connection lug and application method thereof | |
| CN217882793U (en) | Connect arrester behind european style | |
| CN204706672U (en) | Electric equipment linear pattern splicing ear | |
| CN215343039U (en) | Waterproof insulating puncture fastener of integral type | |
| CN220253626U (en) | High-stability line-to-line photovoltaic connector | |
| CN216528236U (en) | Ball head for suspension type composite insulator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |