CN103390819A - Connector of terminal block for bearing high current - Google Patents
Connector of terminal block for bearing high current Download PDFInfo
- Publication number
- CN103390819A CN103390819A CN2013103641987A CN201310364198A CN103390819A CN 103390819 A CN103390819 A CN 103390819A CN 2013103641987 A CN2013103641987 A CN 2013103641987A CN 201310364198 A CN201310364198 A CN 201310364198A CN 103390819 A CN103390819 A CN 103390819A
- Authority
- CN
- China
- Prior art keywords
- splicing ear
- plastic casing
- terminal
- locating piece
- nut
- 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.)
- Granted
Links
- 239000000956 alloy Substances 0.000 claims abstract description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 5
- 229910001297 Zn alloy Inorganic materials 0.000 claims abstract description 5
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000004568 cement Substances 0.000 claims description 9
- 210000002435 tendon Anatomy 0.000 claims description 8
- 239000004411 aluminium Substances 0.000 claims description 4
- 239000007769 metal material Substances 0.000 abstract description 8
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 abstract 1
- 102100023170 Nuclear receptor subfamily 1 group D member 1 Human genes 0.000 description 20
- 239000004020 conductor Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 208000016261 weight loss Diseases 0.000 description 1
Images
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The invention discloses a connector of a terminal block for bearing high current. The connector comprises connecting terminals, a plastic casing, square nuts, plastic positioning blocks and bolts, wherein each connecting terminal is provided with four nut inserting slots, bulgy ribs are formed in the side walls of the nut inserting slots, positioning block grooves are formed in a rectangle body, the plastic casing is formed by arranging one row of terminal cavities or multiple rows of terminal cavities in a stepped manner, and positioning block holes are formed in the front surfaces or back surfaces of the terminal cavities; the square nuts are embedded in the nut inserting slots of the connecting terminals and contacted with the bulgy ribs; the bolts are meshed with the square nuts, the connecting terminals are inserted into the terminal cavities of the plastic casing, and the plastic positioning blocks are buckled in the positioning block holes and the positioning block grooves; and the connecting terminals are made of a pure aluminum, aluminum alloy or zinc alloy material. According to the connector, a low-cost metal material can also meet the requirements of electricity transmission performance of a product by changing a through-flow sectional area and the structure of the plastic casing, so that lower product cost is realized, and the market competitiveness is improved.
Description
Technical field
The present invention relates to be electrically connected technical field, especially a kind of terminal board connector of bearing great current.
Background technology
terminal board, the terminal base connector is mainly used in the use occasion that connects than high-current cable, generally more than 30 amperes, vital part wherein is binding post, the major parameter of weighing the large current wiring terminal of transmission has two, one is conductance, the electric current that the higher expression metallic conductor of conductance unit are can circulate is just larger, generally take red copper material conductance as with reference to index, another one is temperature rise, be that product is when rated current is worked, the difference of conductor temperature and ambient temperature, generally be 30 ℃ to the maximum, it is the important parameter of product safety authentication, if a product will meet the rated current of 30 amperes, temperature rise less than the equal conditions of 30 ℃ under, the binding post sectional area that the binding post that the metal material of use high conductivity is made is made 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 low conductivity metal material, more easily meet safety requirements, the terminal base that prior art is commonly used, the terminal board connector, the metallic conductor of making binding post is mainly red copper or brass, especially comprising the terminal board of a plurality of binding posts, 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.In the situation that terminal client requires price reduction, the competitiveness of product in market just significantly descends, how to reduce costs largely is the problem of pendulum in face of each giant manufacturer really, such as cost falls in the material of changing metallic conductor, or the material of changing the plastic cement part reduces costs, the method is perhaps feasible, but the cost that reduces is limited.Whether can be by changing the structure of traditional terminal board, terminal base,, in conjunction with the replacement of binding post metal material and the change of plastic parts structure, produce the through-current capability that not only guarantees product, but also meet the temperature condition of product and meet the connector product of safety certification standard.
Summary of the invention
The terminal board connector that a kind of bearing great current that provides for the deficiencies in the prior art is provided, the present invention is by the cross-sectional flow area of change splicing ear and the structure of plastic casing, make low-cost metal material meet equally the requirement of Transmission electrical property, thereby obtain to reduce product cost, improve the purpose of the market competitiveness.
The concrete technical scheme that realizes the object of the invention is:
a kind of terminal board connector of bearing great current, its characteristics comprise splicing ear, plastic casing, square nut, plastic cement locating piece and bolt, described splicing ear is cuboid, be arranged with four nut slots and bolt hole on four jiaos of cuboids, 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 less a terminal cavity, and between the terminal cavity through the plastic casing mutually insulated, the front of each terminal cavity or reverse side are provided with the locating piece hole, described bolt, square nut respectively are several, square nut is embedded in respectively in the nut slot of splicing ear and with convex tendon, touches, bolt passes respectively bolt hole and square nut engagement, splicing ear is plugged in the terminal cavity of plastic casing, and plastic cement locating piece spiral-lock is relative with plastic casing fixing with splicing ear between the locating piece groove of the locating piece hole of plastic casing and splicing ear, described splicing ear is selected fine aluminium, aluminium alloy or zinc alloy material, the nut slot 11 of described splicing ear is along width or the thickness direction setting of cuboid.
The present invention, by the cross-sectional flow area of change splicing ear and the structure of plastic casing, makes low-cost metal material meet equally the requirement of Transmission electrical property, thereby obtains to reduce product cost, improves the purpose of the market competitiveness.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of splicing ear and square nut;
Fig. 3 is the A-A schematic cross-section of Fig. 2;
Fig. 4 is that the double-row terminal cavity uses view;
Fig. 5 is that many row's terminal cavitys use view;
Fig. 6 is the schematic diagram that the nut slot broad ways of splicing ear arranges;
Fig. 7 is the schematic diagram that the nut slot through-thickness of splicing ear arranges.
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, be arranged with four nut slots 11 and bolt hole on four jiaos of cuboids, 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 less a terminal cavity 21, and between terminal cavity 21 through plastic casing 2 mutually insulateds, the front of each terminal cavity 21 or reverse side are provided with locating piece hole 22, described bolt 5, square nut 3 respectively are several, square nut 3 is embedded in respectively in the nut slot 11 of splicing ear 1 and with convex tendon 12, touches, bolt 5 passes respectively bolt hole and square nut 3 engagements, splicing ear 1 is plugged in the terminal cavity 21 of plastic casing 2, and plastic cement locating piece 4 spiral-locks are relative with plastic casing 2 fixing with splicing ear 1 between the locating piece groove 13 of the locating piece hole 22 of plastic casing 2 and splicing ear 1, described splicing ear 1 is selected fine aluminium, aluminium alloy or zinc alloy material, the nut slot 11 of described splicing ear 1 is along width or the thickness direction setting of cuboid.
The embodiment of the present invention
The replacement of splicing ear material
Consult Fig. 1, Fig. 2, Fig. 4, Fig. 5, the present invention is merged into a splicing ear 1 with traditional metallic conductor terminal and inner plastic cement insulator, changed 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 test of the temperature-raising experimental method under rated current, splicing ear 1 can meet the code requirement of UL authentication, and product can reduce costs more than 20%.
Fixing of splicing ear and plastic casing
Consult Fig. 1, Fig. 3, Fig. 4, the present invention adopts plastic cement locating piece 4 spiral-locks are interior relative with plastic casing 2 fixing with splicing ear 1 with the locating piece groove 13 of splicing ear 1 in the locating piece hole 22 of plastic casing 2.The locating piece groove 13 that arranges on splicing ear 1 of the present invention is groove with the level, the surrounding that is locating piece groove 13 has more a flatter, locating piece groove 13 is playing and the relatively-stationary while of plastic casing 2, also plays the creepage distance that increases splicing ear 1 conducting metal, prevents security incident.
Fixing of cable and splicing ear
Consult Fig. 1, Fig. 2, Fig. 6, Fig. 7, on the connector of cable, bolt hole is set, bolt 5 is passed cable and bolt hole and square nut 3 engagements, the connector of cable and upper surface or the lower surface of splicing ear 1 are fixed, complete the fixing of cable and splicing ear.Under bolt 5 and square nut 3 notconnect states, for guarantor's nut 3 can self falling, the present invention is provided with convex tendon 12 on the sidewall of nut slot 11, when square nut 3 is embedded in the nut slot 11 of splicing ear 1 when interior, convex tendon 12 increases the frictional force that square nuts 3 and nut slot 11 touch.
Consult Fig. 1, Fig. 6, Fig. 7, the present invention is provided with several radiating groove 14 with the cuboid of splicing ear 1, and radiating groove 14 is along width or the thickness direction setting of cuboid; Guaranteeing that splicing ear 1 has under the prerequisite of enough cross-sectional flow area, remove unnecessary material, both weight reductions, increase again area of dissipation.
Consult Fig. 1, Fig. 2, Fig. 4, Fig. 5, for saving space, the proper alignment cable, the demand of visual number of, lines is made 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 less a terminal cavity 21, and between terminal cavity 21 through plastic casing 2 mutually insulateds, only need splicing ear 1 is plugged in the terminal cavity 21 of plastic casing 2 correspondences, can realize the terminal board connector of multi bearing great current.
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, be arranged with four nut slots (11) and bolt hole on four jiaos of cuboids, 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 less a terminal cavity (21), and between terminal cavity (21) through plastic casing (2) mutually insulated, the front of each terminal cavity (21) or reverse side are provided with locating piece hole (22), described bolt (5), square nut (3) respectively are several, square nut (3) is embedded in respectively in the nut slot (11) of splicing ear (1) and with convex tendon (12), touches, bolt (5) passes respectively bolt hole and square nut (3) engagement, 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 with splicing ear (1) and plastic casing (2) between the locating piece groove (13) of the locating piece hole (22) of plastic casing (2) and splicing ear (1).
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 width or the thickness direction setting of the nut slot (11) of splicing ear (1) along cuboid.
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 true CN103390819A (en) | 2013-11-13 |
| CN103390819B CN103390819B (en) | 2015-11-11 |
Family
ID=49535019
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) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109301531A (en) * | 2018-10-19 | 2019-02-01 | 町洋机电(中国)有限公司 | Front goes out the grated plate type terminal board of foot |
| CN112350084A (en) * | 2019-08-07 | 2021-02-09 | 矢崎总业株式会社 | Connector with a locking member |
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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109301531A (en) * | 2018-10-19 | 2019-02-01 | 町洋机电(中国)有限公司 | Front goes out the grated plate type terminal board of foot |
| 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 |
| CN112350084A (en) * | 2019-08-07 | 2021-02-09 | 矢崎总业株式会社 | Connector with a locking member |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103390819B (en) | 2015-11-11 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |