CN104037523B - A kind of large current terminal - Google Patents
A kind of large current terminal Download PDFInfo
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- CN104037523B CN104037523B CN201410265214.1A CN201410265214A CN104037523B CN 104037523 B CN104037523 B CN 104037523B CN 201410265214 A CN201410265214 A CN 201410265214A CN 104037523 B CN104037523 B CN 104037523B
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- arm
- elastic cantilever
- large current
- elastic
- face
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- 239000000203 mixture Substances 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims description 2
- 230000007774 longterm Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 10
- 229910052802 copper Inorganic materials 0.000 description 10
- 239000010949 copper Substances 0.000 description 10
- 235000014676 Phragmites communis Nutrition 0.000 description 9
- 230000002787 reinforcement Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000013536 elastomeric material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
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- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The invention discloses a kind of large current terminal, belong to technical field of electric connectors, comprise the assembly of the elastic card of working in coordination and contact terminal composition, elastic card comprises the C type main body upper elastic cantilever relative with two, lower elastic cantilever, the end of upper elastic cantilever and lower elastic cantilever respectively wherein heart face close up, its side is V-shape combination; Contact terminal comprises hollow, rectangular cylinder, the end face of hollow, rectangular cylinder extends relative upper contact arm and lower contact arm to the opening direction at its front end face place respectively with bottom surface, the end of upper contact arm and lower contact arm respectively wherein heart face close up and outwards stick up, its side is also V-shape combination, the rear end face of hollow, rectangular cylinder is connected with switching arm, has solved the problem that between electrical connection male end and female end, Long Term Contact lost efficacy; Its dexterous textural association had both reduced the volume of connector, had increased product and had used flexibility and stability, had improved again production efficiency, had reduced production cost.
Description
Technical field
The invention belongs to technical field of electric connectors, be specifically related to a kind of large current terminal of electric connector, suitableBe used for the large current terminal of the electric connector of new-energy automobile, industrial equipment, city rail etc., particularly suitableLarge current terminal in new-energy automobile with electric connector.
Background technology
The female terminal of traditional large current terminal of electric connector is generally cylindrical, and employing copper rod is raw material,Machining is shaped, then surface treatment, and its current delivery mode is generally reed rotary-connecting or beam typeContact.
Reed in reed rotary-connecting current delivery is generally the punching of elasticity copper strips and forms, in the time of transmission current,Produce contact resistance of each generation at reed and female end substrate contact place, reed and male end contact position respectively,This way of contact can be produced a large amount of heats in long-time large current delivery process, again because reed is elasticityCopper material, electric conductivity is not as good as fine copper, and caloric value is also larger, and along with the rising of temperature, the elasticity of reed also canReduce, reed is reduced to the pressure of male end, these two contact resistances that at this moment produce on reed will become greatly,Thereby cause caloric value to increase, make so whole current transmission system form vicious circle; Beam type passesDefeatedly conventionally contact with male end by the elastic cantilever in female end, this way of contact requires the cantilever of terminal to haveElasticity preferably, therefore raw material are generally elasticity copper rod, compared with reed-type switching, this current delivery sideFormula has been lacked a contact resistance, but the same with reed-type switching, elasticity copper material electric conductivity is not as good as fine copper, at heightTender feeling condition under, the elasticity of cantilever beam can decline, and causes cantilever beam to reduce to the pressure of male end, at this moment male end withContact resistance between female end will become greatly, thereby causes caloric value to increase, and makes so whole current delivery beSystem has formed vicious circle.
Visible traditional large electric current female end terminal, not only processing cost is high, and efficiency is low, and in long-term useTime also have contact to lose efficacy possibility, the use that is not suitable for large electric current, the small size of modern electric connector is wantedAsk, be not particularly suitable for large electric current, small size, high efficiency, the low one-tenth of new-energy automobile electric connectorThis instructions for use.
Summary of the invention
The object of the invention is to newly design one can meet the large electric current of electric connector, small size, high efficiency,The large current terminal of one of low cost instructions for use.
The present invention takes following technical scheme:
A kind of large current terminal, comprises the elastic card of working in coordination and the assembly of contact terminal composition, described inElastic card comprises the C type main body upper elastic cantilever relative with two, lower elastic cantilever, described upper elastic cantileverWith lower elastic cantilever all flexible reinforcement be connected respectively the upper and lower of C shape main body, described upper elastic suspendedThe end of arm and lower elastic cantilever respectively wherein heart face close up, its side is V-shape combination; Described contactTerminal comprises hollow, rectangular cylinder, and the end face of described hollow, rectangular cylinder and bottom surface are respectively to its front end face placeOpening direction prolong Shen and go out relative upper contact arm and lower contact arm, the end of described upper contact arm and lower contact armEnd respectively wherein heart face close up and outwards stick up, its side is also V-shape combination, described hollow, rectangular cylinderRear end face be connected with switching arm; Described C type main body surrounds and described hollow, rectangular cylinder, described V wordUpper elastic cantilever, the lower elastic cantilever of type combination fit tightly same V-shape combination upper contact arm, under connectContact arm, to apply clamping elastic force.
Further technical scheme is: the elastic card of working in coordination with described contact terminal can be one or twoIndividual, described elastic card has interlocking hasp to match between two.
Further technical scheme is: there is relative and visual A the upper surface of described C type main body with lower surfaceRectangular through-hole, the end face of described hollow, rectangular cylinder have B rectangular through-hole with shown in the A rectangular through-hole of upper surfaceMatch, can be used for watching the internal structure of terminal; The bottom surface of described hollow, rectangular cylinder buckle in addition with shown inThe A rectangular through-hole composition lockable mechanism of lower surface, makes C type main body tightly surround hollow, rectangular cylinder.
Further technical scheme is: the coupling part between described upper elastic arm, lower elastic arm and C type main bodyAll flexible reinforcements, the end of described upper elastic arm, lower elastic arm has N-shaped briquetting, and N-shaped briquetting is provided withU-shaped groove, to increase thrust, the opening edge of N-shaped briquetting is the bevel edge playing the guiding role.
Further technical scheme is: the outside perk of end of described upper contact arm, lower contact arm is combined into oneOutside V-type opening and two V-type gathering sills, described V-type opening has the opening edge through chamfering, described inTwo V-type gathering sills match with the N-shaped briquetting of upper elastic arm and lower elastic arm respectively.
Further technical scheme is: described switching arm can be plane body, and described switching arm is at least one;Switching arm have riveted structure, described riveted structure is at least one, can with wire, binding post, copper barDirectly weld Deng other part.
Further technical scheme is: between described switching arm and hollow, rectangular cylinder, be provided with for shell and assembleStep.
Further technical scheme is: the material that described elastic card adopts is elastomeric material, and described elastomeric material canTo be stainless steel; The material that contact terminal adopts is conducting metal, and described conducting metal is can be copper.
The present invention compared with prior art, has following beneficial effect: the present invention adopts elastic card and contactsThe modular design of terminal composition, has ensured that electrical connection female end end is abundant with external male terminal, close contact,And can keep strong for a long time and clamping elastic force, solve Long Term Contact between electrical connection male end and female end and lost efficacyProblem; Its dexterous textural association, interlocking design, reduced the volume of connector, increased product fortuneBy flexibility and stability, improve production efficiency, reduce production cost, adapt to batch production.
Brief description of the drawings
Fig. 1 is the present invention's structural upright schematic diagram that explodes;
Fig. 2 is the main diagram of stereochemical structure of the present invention;
Fig. 3 is upward view of the present invention;
Fig. 4 is that the A of upward view of the present invention is to cutaway view;
Fig. 5 is contact terminal stereochemical structure front view in the present invention;
Fig. 6 is contact terminal stereochemical structure upward view in the present invention;
Fig. 7 is Elastic card schematic perspective view of the present invention;
In figure:
Elastic card 1; C type main body 1-1; Interlocking hasp 1-1-1; A rectangular through-hole 1-1-2; Upper elastic cantilever1-2; Lower elastic cantilever 1-3; Elastic reinforcement muscle 1-4; Contact terminal 2; Hollow, rectangular cylinder 2-1; Buckle2-1-1; B rectangular through-hole 2-1-2; Upper contact arm 2-2; Lower contact arm 2-3; Switching arm 2-4; Riveted joint knotStructure 2-4-1; Lockable mechanism 3; V-type opening 4; Opening edge 4-1; V-type gathering sill 5; N-shaped briquetting 6; uType groove 6-1; Bevel edge 6-2; Step 7.
Detailed description of the invention
Below in conjunction with embodiments of the invention, the invention will be further elaborated.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, specific embodiment:
A kind of large current terminal, comprises the assembly that the elastic card 1 of working in coordination and contact terminal 2 form,Elastic card 1 comprises the upper elastic cantilever 1-2 that C type main body 1-1 is relative with two, lower elastic cantilever 1-3, onElastic cantilever 1-2 and lower elastic cantilever 1-3 flexible reinforcement 1-4 are connected respectively C shape main body 1-1'sUpper and lower, the end of upper elastic cantilever 1-1 and lower elastic cantilever 1-2 respectively wherein heart face close up,Its side is V-shape combination; Contact terminal 2 comprises hollow, rectangular cylinder 2-1, hollow, rectangular cylinder 2-1'sEnd face and bottom surface respectively to the opening direction at its front end face place prolong Shen go out relative upper contact arm 2-2 and under connectContact arm 2-3, the end of upper contact arm 2-2 and lower contact arm 2-3 respectively wherein heart face close up, its side is alsoBe V-shape combination, the rear end face of hollow, rectangular cylinder 2-1 is connected with switching arm 2-4; C type main body 1-1Surround and described hollow, rectangular cylinder 2-1 upper elastic cantilever 1-2, the lower elastic cantilever of V-shape combination1-3 closely clamps upper contact arm 2-2, the lower contact arm 2-3 of same V-shape combination, makes elastic card conductThe elastic potential energy, can effectively provide bidirectional elastic, meanwhile, the upper contact arm 2-2 of V-shape combination, under connectContact arm 2-3 adopts symmetrical expression design, can be multiplied and the contact point of male terminal.
Choose one or two elastic card 1 and contact terminal 2 and combine, the C shape main body 1-1 of each elastic card 1When combination, two elastic cards 1 can interlock; It is relative and can that the upper surface of C type main body 1-1 and lower surface haveDepending on A rectangular through-hole 1-1-2, the end face of hollow, rectangular cylinder 2-1 have B rectangular through-hole 2-1-2 with shown onThe A rectangular through-hole 1-1-2 of end face coincides, and can observe the internal structure of large current terminal; Hollow, rectangularThe bottom surface of cylinder 2-1 also has the outward-dipping 2-1-1 that buckles, the A rectangular through-hole 1-1-2 group of it and lower surfaceBecome lockable mechanism 3, can ensure the structural stability of large current terminal.
There are R angle and bullet in the upper elastic arm 1-2 of elastic card 1, lower elastic arm 1-3 and C shape main body 1-1 junctionProperty reinforcement 1-4, the end of upper elastic arm 1-2 and lower elastic arm 1-3 has N-shaped briquetting 6, N-shaped briquetting6 are provided with u-shaped groove 6-1, can ensure that elastic stress is concentrated; The opening edge of N-shaped briquetting 6 is to play the guiding roleBevel edge 6-2; The outside perk of end of upper contact arm 2-2, lower contact arm 2-3 is combined into a V-type and opensMouth 4 and two V-type gathering sills 5, V-type opening 4 is provided with through the opening edge 4-1 to chamfering, can increase and connectThe deformation range of contact arm, thus make large current terminal can more hold the male terminal of more specifications; Two V-typesGathering sill 5 matches with the N-shaped briquetting 6 of upper elastic arm 1-2 and lower elastic arm 1-3 respectively, when assembling, and nThe bevel edge 6-2 of type briquetting 6 can slide along V-type gathering sill 5, and meanwhile, an elastic buckles is multiple simultaneouslyContact arm provides pressure.
Article two, switching arm 2-4 adopts plane body to fit tightly formula, can conveniently weld with various materials, and realization turnsConnection function, and adopt the mode of riveted joint that two switching arms are fitted tightly, effectively strengthen the stickiness of two switching armsEnergy.
The quantity that is provided with riveted structure 2-4 in every switching arm plane is one or two, can with wire,Other part such as binding post, copper bar directly welds.
Between switching arm 2-4 and hollow, rectangular cylinder 2-1, be provided with step 7, and be distributed in hollow, rectangular cylinderThe two sides of 2-1, assemble for shell.
The material that elastic card 1 adopts is stainless steel, can under higher temperature, keep elastic force, ensures large current terminalThe pressure of son to male terminal, thus ensure that contact resistance is not because pressure reduces to increase; Play electric actionContact terminal 2 adopts fine copper as material, has the ability of well damming, with the bullet in the large current terminal of traditionProperty part compare, can be because of the not good heating in a large number of material electric conductivity in the time of long-term use.
All parts all adopt mould punching to be shaped, and can more easily realize parcel plating, can effectively improve lifeProduce efficiency, reduce costs, and ensure product consistency.
Although with reference to explanatory embodiment of the present invention, invention has been described here, above-described embodiment is onlyThe present invention is embodiment preferably, and embodiments of the present invention are not restricted to the described embodiments, and should manageSeparate, those skilled in the art can design a lot of other amendment and embodiments, these amendments and enforcementWithin mode will drop on the disclosed principle scope and spirit of the application.
Claims (8)
1. a large current terminal, is characterized in that comprising elastic card (1) and the contact terminal (2) of working in coordinationThe assembly of composition, described elastic card (1) comprises the upper bullet that C type main body (1-1) is relative with twoProperty cantilever (1-2), lower elastic cantilever (1-3), described upper elastic cantilever (1-2) and lower elastic cantilever(1-3) connect respectively the upper and lower of C type main body (1-1), C type main body (1-1) is flexibleReinforcement (1-4), the end of described upper elastic cantilever (1-2) and lower elastic cantilever (1-3) respectively toIts median plane closes up, and its side is V-shape combination; Described contact terminal (2) comprises hollow, rectangular postBody (2-1), the end face of described hollow, rectangular cylinder (2-1) and bottom surface are respectively to its front end face placeOpening direction extends relative upper contact arm (2-2) and lower contact arm (2-3), described upper contact arm(2-2) and the end of lower contact arm (2-3) respectively wherein heart face close up and outwards stick up, its side is alsoBe V-shape combination, the rear end face of described hollow, rectangular cylinder (2-1) is connected with switching arm (2-4);Described C type main body (1-1) surrounds described hollow, rectangular cylinder (2-1), described V-shape combinationUpper elastic cantilever (1-2), lower elastic cantilever (1-3) fit tightly the upper contact of same V-shape combinationArm (2-2), lower contact arm (2-3); The elastic card (1) of working in coordination with described contact terminal (2)Be two, described elastic card (1) has interlocking hasp (1-1-1); Described C type main body (1-1) upperEnd face has relative and visual A rectangular through-hole (1-1-2), described hollow, rectangular cylinder with lower surface(2-1) end face has the A rectangular through-hole (1-1-2) of B rectangular through-hole (2-1-2) and described upper surfaceMatch, the bottom surface of described hollow, rectangular cylinder (2-1) buckles (2-1-1) and described lower surface in additionA rectangular through-hole (1-1-2) composition lockable mechanism (3).
2. according to the large current terminal described in claim 1, it is characterized in that described upper elastic cantilever (1-2),The end of lower elastic cantilever (1-3) has N-shaped briquetting (6), and N-shaped briquetting (6) is provided with u-shaped groove (6-1),The opening edge of N-shaped briquetting (6) is the bevel edge (6-2) playing the guiding role.
3. according to the large current terminal described in claim 2, it is characterized in that described upper contact arm (2-2),The outside perk of end of lower contact arm (2-3) is combined into a V-type opening (4) and two V-type guidingGroove (5), described V-type opening (4) has the opening edge (4-1) through chamfering, described two V-types guidingGroove (5) matches with the N-shaped briquetting (6) of upper elastic cantilever (1-2) and lower elastic cantilever (1-3) respectivelyClose.
4. according to the large current terminal described in claim 1, it is characterized in that described switching arm (2-4) is flatFace body, described switching arm is at least one.
5. according to the large current terminal described in claim 1 or 4, it is characterized in that described switching arm (2-4)Have riveted structure (2-4-1), described riveted structure (2-4-1) is at least one.
6. according to the large current terminal described in claim 1, it is characterized in that described switching arm (2-4) with inBetween empty rectangular cylinder (2-1), be provided with the step (7) for shell assembling.
7. according to the large current terminal described in claim 1, it is characterized in that what described elastic card (1) adoptedMaterial is stainless steel.
8. according to the large current terminal described in claim 1, it is characterized in that the material that contact terminal (2) adoptsCopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410265214.1A CN104037523B (en) | 2014-06-13 | 2014-06-13 | A kind of large current terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410265214.1A CN104037523B (en) | 2014-06-13 | 2014-06-13 | A kind of large current terminal |
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| Publication Number | Publication Date |
|---|---|
| CN104037523A CN104037523A (en) | 2014-09-10 |
| CN104037523B true CN104037523B (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410265214.1A Active CN104037523B (en) | 2014-06-13 | 2014-06-13 | A kind of large current terminal |
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| Country | Link |
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| CN (1) | CN104037523B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3316402A1 (en) * | 2016-10-28 | 2018-05-02 | TE Connectivity Germany GmbH | Flat contact bushing |
| CN110265815A (en) * | 2019-06-21 | 2019-09-20 | 陈丽霞 | A kind of elbow connector jack |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015216632A1 (en) * | 2015-08-31 | 2017-03-02 | Te Connectivity Germany Gmbh | Arrangement for establishing an electrical connection between a flat contact and a high-current conductor |
| CN106450964B (en) * | 2016-11-04 | 2019-06-18 | 安费诺汽车连接系统（常州）有限公司 | Manual single phase power switch |
| CN106410464B (en) * | 2016-11-29 | 2019-02-15 | 河南天海电器有限公司 | Side-mounted terminal |
| CN107275839A (en) * | 2017-06-30 | 2017-10-20 | 中航光电科技股份有限公司 | Push-pull type high current connector |
| US10283895B1 (en) | 2017-12-20 | 2019-05-07 | Lear Corporation | Electrical terminal assembly with split shroud |
| US10396482B2 (en) | 2017-12-20 | 2019-08-27 | Lear Corporation | Electrical terminal assembly with locked spring member |
| CN109378619A (en) * | 2018-10-17 | 2019-02-22 | 上海航天科工电器研究院有限公司 | A kind of punching type solder terminal |
| CN110011099B (en) * | 2019-05-15 | 2023-11-28 | 四川永贵科技有限公司 | Rectangular reed for electric connector jack terminal |
| CN110867690B (en) * | 2019-11-25 | 2021-07-30 | 中航光电科技股份有限公司 | Connectors and their plugs |
| CN116435848B (en) * | 2023-04-26 | 2024-09-06 | 东莞市维康汽车电子有限公司 | Manufacturing method of high-current composite material female terminal connector |
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| CN101286601A (en) * | 2007-04-11 | 2008-10-15 | 菲尼克斯亚太电气（南京）有限公司 | Plug-in device for electrical connection |
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| CN203883192U (en) * | 2014-06-13 | 2014-10-15 | 四川永贵科技有限公司 | Large-current terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8366497B2 (en) * | 2009-06-17 | 2013-02-05 | Lear Corporation | Power terminal |
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Patent Citations (4)
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|---|---|---|---|---|
| CN1111834A (en) * | 1994-03-21 | 1995-11-15 | Cinch连接装置股份公司 | Female electrical contact member background of the invention |
| CN101286601A (en) * | 2007-04-11 | 2008-10-15 | 菲尼克斯亚太电气（南京）有限公司 | Plug-in device for electrical connection |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3316402A1 (en) * | 2016-10-28 | 2018-05-02 | TE Connectivity Germany GmbH | Flat contact bushing |
| JP7051370B2 (en) | 2016-10-28 | 2022-04-11 | ティーイー コネクティビティ ジャーマニー ゲゼルシャフト ミット ベシュレンクテル ハフツンク | Flat contact socket |
| CN110265815A (en) * | 2019-06-21 | 2019-09-20 | 陈丽霞 | A kind of elbow connector jack |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104037523A (en) | 2014-09-10 |
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