CN2325904Y - Junction box for electric wire - Google Patents
Junction box for electric wire Download PDFInfo
- Publication number
- CN2325904Y CN2325904Y CN 98223693 CN98223693U CN2325904Y CN 2325904 Y CN2325904 Y CN 2325904Y CN 98223693 CN98223693 CN 98223693 CN 98223693 U CN98223693 U CN 98223693U CN 2325904 Y CN2325904 Y CN 2325904Y
- Authority
- CN
- China
- Prior art keywords
- copper
- live wire
- box body
- insulation
- copper bar
- 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
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- Connection Or Junction Boxes (AREA)
Abstract
The utility model discloses a wire connection box. The utility model comprises an insulation box body, a transparent insulation box cover, three live wire connection copper rows and a zero wire connection copper row; an insulation plate which can be movably dismounted is respectively arranged between each two live wire connection copper rows so as to divide the live wire connection copper rows, and the live wire connection copper rows and the zero wire connection copper row are arranged in parallel and divided by an insulator. The utility model centralizes a live wire connecting wire and a zero wire connecting wire in one same connection box, therefore, the utility model has the advantages of convenient connection design and construction, regularity, convenient management, convenient maintenance, low cost and expenses of installation, besides, the utility model can be simultaneously used for household connecting wire of three-phase four-wire electricity and single-phase electricity, and the utility model can be widely used in connection of power supply in the form of one household with one meter.
Description
The utility model relates to the especially circuit connector used of residential building building of a kind of building, specifically is used for the circuit terminal box of the kilowatt-hour meter in residential building one family.
Growing along with household appliancesization, the power consumption surge, supply power mode that Every household has an ammeter is developed rapidly and is promoted.In Every household has an ammeter system wiring, when the house lead in cable was received each user's submeter, all each used a terminal box mostly for each live wire and zero line at present.Like this, need be with two terminal boxes when the single-phase electricity, and generally will be with four terminal boxes when electric with three-phase and four-line, the not only mixed and disorderly inconvenience of wiring is unfavorable for wiring design, constructs, administers and maintains, and it is big to account for volume, and wiring installation cost and expense are higher.Simultaneously, terminal box insulation box body generally all adopts plastics or bakelite, and shock resistance, fire resistance and resistance to elevated temperatures are poor, and easily aging, useful life is shorter.
The purpose of this utility model is to provide a kind of live wire connection can the connection with zero line to concentrate on a kind of circuit terminal box that in the terminal box, also can be applicable to three-phase and four-line electricity and the wiring of single-phase electricity house lead in simultaneously.
For achieving the above object, circuit terminal box of the present utility model comprises insulation box body, transparent insulation lid and is loaded on copper bar in the box body, the crimping screw that connects house lead in is arranged on the copper bar, all have a plurality of corresponding cross under type plug wire holes on copper bar lateral surface and the box body two sides, the cross-under screw is equipped with corresponding to the position of each cross under type plug wire hole in copper bar top; Described copper bar has four, wherein three side by side, be the live wire copper busbar, each separates the centre with the insulation board of a movable dismounting, another piece is the zero line copper busbar, and live wire copper busbar and zero line copper busbar are arranged in parallel, and is separated by the insulator that is positioned on the insulation box body in the middle of two row's copper bars.
Between three live wire copper busbars the flexible connection sheet can be housed, so that it can mutual conduction and be applicable to single-phase electricity house lead in needs.
Above-mentioned insulation box body and insulation panel therefor and insulator all adopt the reinforced plastic glass fibre material to make.
Owing to adopted technique scheme, live wire wiring and zero line wiring are concentrated in the same terminal box, in residential building Every household has an ammeter wiring, only need just can achieve the goal with a circuit terminal box, make wiring design, easy construction, whole wiring is in good order, be beneficial to management maintenance, and it is little to take volume, has reduced wiring installation cost and expense; Simultaneously, because the movable dismounting of insulation board between three live wire copper busbars when not taking apart, can be used for three-phase and four-line electricity house lead in, after taking apart, available copper billet or the brace mutual conduction that connects together is applicable to the single-phase electricity house lead in the middle of three live wire copper bars.In addition, bakelite or the plastics commonly used that the insulation reinforced plastic glass fibre material that box body and insulation board adopted compares, its shock resistance, fire resistance and resistance to elevated temperatures are better, are difficult for aging breaking, and useful life is just long.
Below in conjunction with embodiment and accompanying drawing the utility model is described in further detail.
Fig. 1 is the broken section front view that can connect the circuit terminal box of 12 family kilowatt-hour meters;
Fig. 2 is the respective top of Fig. 1.
As shown in the figure, circuit terminal box of the present utility model comprises insulation box body 1, transparent insulation lid 2, be loaded on three live wire copper busbars 31 in the box body 1,32,33 and zero line copper busbars 4, three live wire copper busbars 31,32,33 with a zero line copper busbar 4 on a crimping screw 5 that is connected house lead in is respectively arranged, live wire copper busbar 31,32, respectively have 4 cross under type plug wire holes 6 on 33 the lateral surface, the lateral surface of zero line copper busbar 4 has 12 cross under type plug wire holes 6, the dual-side of insulation box body 1 also respectively has 12 cross under type plug wire holes 6 corresponding to the cross under type plug wire hole 6 on four copper bars, corresponding to the position of each cross under type plug wire hole 62 cross-under screws 7 is housed respectively on four copper bar tops; The back is parallel with zero line copper busbar 4 side by side for three live wire copper busbars 31,32,33, separated by the insulator 9 that is positioned on the insulation box body 1 between two row's copper bars, 31,32,33 insulation boards 8 with two movable dismountings of three live wire copper busbars are separated mutually; Installing hole 10 on the terminal box can make it be fixed on the installed surface; Transparent insulation lid 2 covers insulation box body 1 and connects together with screw 11, but is anti-electricity-theft also crimping lead sealing.When using the three-phase and four-line electricity, after three live wire inlet wires and a zero line inlet wire respectively connect a fuse, by opening four wiring holes 12, receive on three live wire copper busbars 31,32,33 and the zero line copper busbar 4 and and fix respectively with crimping screw 5 in insulation box body 1 side.The terminal box both sides respectively have 12 to advance to show line by screw on cross under type plug wire hole 6 and the copper bar 7 and terminal box cross-under, and 12 are advanced to show to enter each user within doors after line is received 12 user's kilowatt-hour meters again.If the use single-phase electricity is then pulled down insulation board 8, insert copper billet, make three live wire copper busbars, 31,32,33 mutual conduction, the live wire inlet wire to be received on the arbitrary live wire copper busbar and with crimping screw 5 fixed, all the other connections are constant.The insulation box body 1 of circuit terminal box, insulation board 8 and insulator 9 all adopt the reinforced plastic glass fibre material to make.
Certainly, during with the single-phase electricity wiring, after insulation board 8 pulled down, can not insert copper billet yet and adopt other method to make three live wire copper busbars, 31,32,33 mutual conduction.As between three live wire copper busbars the flexible connection sheet being housed, when with the single-phase electricity wiring, pull down insulation board 8, three live wire copper busbars, 31,32,33 usefulness, two braces are linked up make its mutual conduction, in the time of will be with the wiring of three-phase and four-line electricity, brace taken apart and insert insulation board 8 and make three live wire copper busbars, 31,32,33 mutually insulateds.
In the present embodiment, the wiring position of house lead in and copper bar is located in the middle of the copper bar, can makes user's power load obtain balance like this.
In addition, also can be according to residential building floor and number of users different, cross under type plug wire hole on copper bar and the box body and the cross-under screw on the copper bar are set as corresponding number,, in high-rise residential building, also can use several circuit terminal boxes simultaneously to adapt to different needs as 8,10,12 etc.
Claims (4)
1, a kind of circuit terminal box, comprise the insulation box body, transparent insulation lid and the copper bar that is loaded in the box body, the crimping screw that connects house lead in is arranged on the described copper bar, all have a plurality of corresponding cross under type plug wire holes on described copper bar lateral surface and the box body two sides, the cross-under screw is equipped with corresponding to the position of each cross under type plug wire hole in described copper bar top, it is characterized in that, described copper bar has four, wherein three side by side, be the live wire copper busbar, each separates the centre with the insulation board of a movable dismounting, another piece is the zero line copper busbar, described live wire copper busbar and zero line copper busbar are arranged in parallel, and are separated by the insulator that is positioned on the insulation box body in the middle of two row's copper bars.
2, a kind of circuit terminal box as claimed in claim 1 is characterized in that, between described three live wire copper busbars the flexible connection sheet is housed.
3, a kind of circuit terminal box as claimed in claim 1 or 2 is characterized in that, described insulation box body, insulation board and insulator all adopt the reinforced plastic glass fibre material to make.
4, a kind of circuit terminal box as claimed in claim 1 is characterized in that the wiring position of house lead in and described copper bar is positioned in the middle of the copper bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98223693 CN2325904Y (en) | 1998-04-08 | 1998-04-08 | Junction box for electric wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98223693 CN2325904Y (en) | 1998-04-08 | 1998-04-08 | Junction box for electric wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2325904Y true CN2325904Y (en) | 1999-06-23 |
Family
ID=33974728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98223693 Expired - Fee Related CN2325904Y (en) | 1998-04-08 | 1998-04-08 | Junction box for electric wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2325904Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103941059A (en) * | 2014-05-06 | 2014-07-23 | 国网上海市电力公司 | High-voltage combined junction box |
| CN105609577A (en) * | 2016-03-09 | 2016-05-25 | 中利腾晖光伏科技有限公司 | Solar photovoltaic cell module |
-
1998
- 1998-04-08 CN CN 98223693 patent/CN2325904Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103941059A (en) * | 2014-05-06 | 2014-07-23 | 国网上海市电力公司 | High-voltage combined junction box |
| CN105609577A (en) * | 2016-03-09 | 2016-05-25 | 中利腾晖光伏科技有限公司 | Solar photovoltaic cell module |
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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 |