CN103390819B - A kind of terminal board connector of bearing great current - Google Patents
A kind of terminal board connector of bearing great current Download PDFInfo
- Publication number
- CN103390819B CN103390819B CN201310364198.7A CN201310364198A CN103390819B CN 103390819 B CN103390819 B CN 103390819B CN 201310364198 A CN201310364198 A CN 201310364198A CN 103390819 B CN103390819 B CN 103390819B
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- splicing ear
- locating piece
- plastic casing
- nut
- terminal cavity
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Abstract
The invention discloses a kind of terminal board connector of bearing great current, comprise splicing ear, plastic casing, square nut, plastic cement locating piece and bolt, described splicing ear is provided with four nut slots, the sidewall of nut slot is provided with convex tendon, cuboid is provided with locating piece groove, plastic casing is by the stepped arrangement of a row or multi-row terminal cavity, and the front of terminal cavity or reverse side are provided with locating piece hole; Touch with convex tendon in the nut slot that described square nut is embedded in splicing ear, bolt engages with square nut, and splicing ear is plugged in the terminal cavity of plastic casing, and plastic cement locating piece spiral-lock is in locating piece hole and locating piece groove; Described splicing ear selects fine aluminium, aluminium alloy or zinc alloy material.The present invention, by changing the cross-sectional flow area of splicing ear and the structure of plastic casing, makes low cost metal material meet the requirement of Transmission electrical property equally, thus obtains reduction product cost, improves the object of the market competitiveness.
Description
Technical field
The present invention relates to electrical connection technical field, especially a kind of terminal board connector of bearing great current.
Background technology
Terminal board, terminal base connector is mainly used in the use occasion that larger current cable connects, general more than 30 amperes, vital part is wherein binding post, the major parameter weighing transmission big current binding post has two, one is conductance, the electric current that conductance higher expression metallic conductor unit are can circulate is larger, generally with red copper materials conductive rate for reference to index, another one is temperature rise, namely product is when rated current works, the difference of conductor temperature and ambient temperature, generally be 30 DEG C to the maximum, it is the important parameter of product safety certification, if product will meet the rated current of 30 amperes, be less than the equal conditions of 30 DEG C in temperature rise under, the binding post sectional area that the binding post using the metal material of high conductivity to make makes than the metal material of low conductivity is little, volume is also little, if instead under same cross-sectional is long-pending, the metal material of high conductivity is less than the temperature rise of lower conductivity metallic material, more easily meet safety requirements, the terminal base that prior art is conventional, terminal board connector, make metallic conductor mainly red copper or the brass of binding post, especially at the terminal board comprising multiple binding post, in terminal base, the weight of metallic conductor accounts for the over half of whole connector weight, the cost of metallic conductor also accounts for the over half of whole connector cost.When terminal client requires price reduction, the competitiveness of product in market just significantly declines, how to reduce costs largely is the problem of pendulum in face of each giant manufacturer really, the material such as changing metallic conductor carrys out cost declining, or the material changing plastic cement part reduces costs, the method is perhaps feasible, but the cost reduced is limited.Whether by changing the structure of conventional terminal platform, terminal base, in conjunction with the replacement of binding post metal material and the change of plastic parts structure, produce not only ensure product through-current capability, but also meet the temperature condition of product and meet the connector product of safety certification specification.
Summary of the invention
The terminal board connector of a kind of bearing great current provided for the deficiencies in the prior art is provided, the present invention is by changing the cross-sectional flow area of splicing ear and the structure of plastic casing, low cost metal material is made to meet the requirement of Transmission electrical property equally, thus obtain reduction product cost, improve the object of the market competitiveness.
The concrete technical scheme realizing the object of the invention is:
A kind of terminal board connector of bearing great current, its feature comprises splicing ear, plastic casing, square nut, plastic cement locating piece and bolt, described splicing ear is cuboid, cuboid corner is arranged with four nut slots and bolt hole, the inwall of nut slot is provided with convex tendon, cuboid is provided with several radiating groove and locating piece groove, plastic casing is by the stepped arrangement of a row or multi-row terminal cavity, it often drains into and is provided with a terminal cavity less, and through plastic casing mutually insulated between terminal cavity, front or the reverse side of each terminal cavity are provided with locating piece hole, described bolt, square nut are respectively pieces, touch with convex tendon in the nut slot that square nut is embedded in splicing ear respectively, bolt is each passed through bolt hole and engages with square nut, splicing ear is plugged in the terminal cavity of plastic casing, plastic cement locating piece spiral-lock between the locating piece hole and the locating piece groove of splicing ear of plastic casing by relative with plastic casing for splicing ear fixing, described splicing ear selects fine aluminium, aluminium alloy or zinc alloy material, the nut slot 11 of described splicing ear is arranged along the width of cuboid or thickness direction.
The present invention, by changing the cross-sectional flow area of splicing ear and the structure of plastic casing, makes low cost metal material meet the requirement of Transmission electrical property equally, thus obtains reduction product cost, improves the object of the market competitiveness.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of splicing ear and square nut;
Fig. 3 is A-A schematic cross-section of Fig. 2;
Fig. 4 is double-row terminal cavity using state schematic diagram;
Fig. 5 is many row's terminal cavity using state schematic diagrames;
Fig. 6 is the schematic diagram that the nut slot broad ways of splicing ear is arranged;
Fig. 7 is the schematic diagram that the nut slot through-thickness of splicing ear is arranged.
Embodiment
Consult Fig. 1, Fig. 2, Fig. 3, the present invention includes splicing ear 1, plastic casing 2, square nut 3, plastic cement locating piece 4 and bolt 5, described splicing ear 1 is cuboid, cuboid corner is arranged with four nut slots 11 and bolt hole, the inwall of nut slot 11 is provided with convex tendon 12, cuboid is provided with several radiating groove 14 and locating piece groove 13, plastic casing 2 is by the stepped arrangement of a row or multi-row terminal cavity 21, it often drains into and is provided with a terminal cavity 21 less, and through plastic casing 2 mutually insulated between terminal cavity 21, front or the reverse side of each terminal cavity 21 are provided with locating piece hole 22, described bolt 5, square nut 3 are respectively pieces, touch with convex tendon 12 in the nut slot 11 that square nut 3 is embedded in splicing ear 1 respectively, bolt 5 is each passed through bolt hole and engages with square nut 3, splicing ear 1 is plugged in the terminal cavity 21 of plastic casing 2, plastic cement locating piece 4 spiral-lock between the locating piece hole 22 and the locating piece groove 13 of splicing ear 1 of plastic casing 2 by relative with plastic casing 2 for splicing ear 1 fixing, described splicing ear 1 selects fine aluminium, aluminium alloy or zinc alloy material, the nut slot 11 of described splicing ear 1 is arranged along the width of cuboid or thickness direction.
The embodiment of the present invention
The replacement of splicing ear material
Consult Fig. 1, Fig. 2, Fig. 4, Fig. 5, traditional metallic conductor terminal and inner plastic cement insulator are merged into a splicing ear 1 by the present invention, change the cross-sectional flow area of splicing ear 1, for this reason, available fine aluminium, aluminium alloy or zinc alloy material substitute traditional red copper or Cu alloy material, its material price is 1/4 ~ 1/3 of red copper price, and the cost of product is obviously reduced.By the temperature-raising experimental method test under rated current, splicing ear 1 can meet the code requirement of UL certification, and product can reduce costs more than 20%.
Splicing ear and plastic casing fixing
Consult Fig. 1, Fig. 3, Fig. 4, the present invention adopt by plastic cement locating piece 4 spiral-lock in the locating piece hole 22 of plastic casing 2 and the locating piece groove 13 of splicing ear 1 by relative with plastic casing 2 for splicing ear 1 fixing.The locating piece groove 13 that splicing ear 1 of the present invention is arranged is groove with the level, namely the surrounding of locating piece groove 13 has more a flatter, locating piece groove 13, playing relatively-stationary with plastic casing 2 while, also plays the creepage distance increasing splicing ear 1 conducting metal, prevents security incident.
Cable and splicing ear fixing
Consult Fig. 1, Fig. 2, Fig. 6, Fig. 7, the connector of cable arranges bolt hole, bolt 5 is engaged with square nut 3 through cable and bolt hole, the upper surface of the connector of cable and splicing ear 1 or lower surface are fixed, complete fixing of cable and splicing ear.Under bolt 5 with square nut 3 notconnect state, for guarantor's nut 3 can not self falling, the present invention is provided with convex tendon 12 on the sidewall of nut slot 11, and when in the nut slot 11 that square nut 3 is embedded in splicing ear 1, convex tendon 12 increases the frictional force that square nut 3 touches with nut slot 11.
Consult Fig. 1, Fig. 6, Fig. 7, the cuboid of splicing ear 1 is provided with several radiating groove 14 by the present invention, and radiating groove 14 is arranged along the width of cuboid or thickness direction; Under guarantee splicing ear 1 has the prerequisite of enough cross-sectional flow area, remove unnecessary material, both weight reduction, increase area of dissipation again.
Consult Fig. 1, Fig. 2, Fig. 4, Fig. 5, for saving space, proper alignment cable, the demand of visual number of, lines makes plastic casing 2, plastic casing 2 of the present invention is the stepped arrangement of a row or multi-row terminal cavity 21, and it often drains into and is provided with a terminal cavity 21 less, and through plastic casing 2 mutually insulated between terminal cavity 21, only splicing ear 1 need be plugged in the terminal cavity 21 of plastic casing 2 correspondence, the terminal board connector of multi bearing great current can be realized.
Claims (3)
1. the terminal board connector of a bearing great current, it is characterized in that it comprises splicing ear (1), plastic casing (2), square nut (3), plastic cement locating piece (4) and bolt (5), described splicing ear (1) is cuboid, cuboid corner is arranged with four nut slots (11) and bolt hole, the inwall of nut slot (11) is provided with convex tendon (12), cuboid is provided with several radiating groove (14) and locating piece groove (13), plastic casing (2) is by the stepped arrangement of a row or multi-row terminal cavity (21), it often drains into and is provided with a terminal cavity (21) less, and through plastic casing (2) mutually insulated between terminal cavity (21), front or the reverse side of each terminal cavity (21) are provided with locating piece hole (22), described bolt (5), square nut (3) are respectively pieces, touch with convex tendon (12) in the nut slot (11) that square nut (3) is embedded in splicing ear (1) respectively, bolt (5) is each passed through bolt hole and engages with square nut (3), splicing ear (1) is plugged in the terminal cavity (21) of plastic casing (2), and plastic cement locating piece (4) spiral-lock is relative fixing by splicing ear (1) and plastic casing (2) between the locating piece hole (22) and the locating piece groove (13) of splicing ear (1) of plastic casing (2).
2. the terminal board connector of a kind of bearing great current according to claim 1, is characterized in that splicing ear (1) selects fine aluminium, aluminium alloy or zinc alloy material.
3. the terminal board connector of a kind of bearing great current according to claim 1, is characterized in that the nut slot (11) of splicing ear (1) is arranged along the width of cuboid or thickness direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310364198.7A CN103390819B (en) | 2013-08-20 | 2013-08-20 | A kind of terminal board connector of bearing great current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310364198.7A CN103390819B (en) | 2013-08-20 | 2013-08-20 | A kind of terminal board connector of bearing great current |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103390819A CN103390819A (en) | 2013-11-13 |
| CN103390819B true CN103390819B (en) | 2015-11-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310364198.7A Active CN103390819B (en) | 2013-08-20 | 2013-08-20 | A kind of terminal board connector of bearing great current |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103390819B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109301531B (en) * | 2018-10-19 | 2024-01-09 | 町洋机电(中国)有限公司 | Grid plate type terminal table with front pin |
| JP7041101B2 (en) * | 2019-08-07 | 2022-03-23 | 矢崎総業株式会社 | connector |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2416231A1 (en) * | 1974-04-03 | 1975-10-23 | Phoenix Elekt | Earthing terminal clamps conductor to earth rail - uses C-clamps device and has coded tag for connection data |
| US4032207A (en) * | 1976-06-21 | 1977-06-28 | General Electric Company | High current electrical joint apparatus |
| FR2694455B1 (en) * | 1992-07-29 | 1994-10-14 | Seram | Power connector. |
| CN101320873A (en) * | 2007-11-23 | 2008-12-10 | 北海银河高科技产业股份有限公司 | High-voltage great-current fixed sealing type bus connector and its production method |
| CN202103201U (en) * | 2011-05-10 | 2012-01-04 | 上海向开电气有限公司 | Parallel multipurpose binding post |
| CN202196917U (en) * | 2011-08-04 | 2012-04-18 | 实盈电子(东莞)有限公司 | Power socket connector and conductive terminal thereof |
| CN202616443U (en) * | 2012-05-24 | 2012-12-19 | 上海友邦电气(集团)股份有限公司 | Heavy current branching terminal |
| EP2560240A2 (en) * | 2011-08-16 | 2013-02-20 | Siemens Aktiengesellschaft | Attachment clamp and protective switch device |
-
2013
- 2013-08-20 CN CN201310364198.7A patent/CN103390819B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2416231A1 (en) * | 1974-04-03 | 1975-10-23 | Phoenix Elekt | Earthing terminal clamps conductor to earth rail - uses C-clamps device and has coded tag for connection data |
| US4032207A (en) * | 1976-06-21 | 1977-06-28 | General Electric Company | High current electrical joint apparatus |
| FR2694455B1 (en) * | 1992-07-29 | 1994-10-14 | Seram | Power connector. |
| CN101320873A (en) * | 2007-11-23 | 2008-12-10 | 北海银河高科技产业股份有限公司 | High-voltage great-current fixed sealing type bus connector and its production method |
| CN202103201U (en) * | 2011-05-10 | 2012-01-04 | 上海向开电气有限公司 | Parallel multipurpose binding post |
| CN202196917U (en) * | 2011-08-04 | 2012-04-18 | 实盈电子(东莞)有限公司 | Power socket connector and conductive terminal thereof |
| EP2560240A2 (en) * | 2011-08-16 | 2013-02-20 | Siemens Aktiengesellschaft | Attachment clamp and protective switch device |
| CN202616443U (en) * | 2012-05-24 | 2012-12-19 | 上海友邦电气(集团)股份有限公司 | Heavy current branching terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103390819A (en) | 2013-11-13 |
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