CN104037523A - High current terminal - Google Patents
High current terminal Download PDFInfo
- Publication number
- CN104037523A CN104037523A CN201410265214.1A CN201410265214A CN104037523A CN 104037523 A CN104037523 A CN 104037523A CN 201410265214 A CN201410265214 A CN 201410265214A CN 104037523 A CN104037523 A CN 104037523A
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- arm
- elastic
- contact
- current terminal
- large current
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Abstract
The invention discloses a high current terminal, and belongs to the technical field of electric connectors. The high current terminal comprises an assembly consisting of an elastic clamp and a contact terminal which are matched with each other, wherein the elastic clamp comprises a C-shaped main body as well as an upper elastic suspension arm and a lower elastic suspension arm which are opposite to each other; the tail ends of the upper elastic suspension arm and the lower elastic suspension arm are gathered together towards the central faces of the suspension arms respectively, and the side faces are combined in a V form; the contact terminal comprises a hollow rectangular column body; an upper contact arm and a lower contact arm which are opposite to each other extend out of the top surface and the bottom surface of the hollow rectangular column body towards an opening formed in the front end face of the hollow rectangular column body respectively; the tail ends of the upper contact arm and the lower contact arm are gathered together towards the central faces of the contact arms, and tilt upwards, and the side faces are combined in a V form; the back end face of the hollow rectangular column body is connected with an adapter arm. The problem of long-term contact failure between an electric connection male end and a female end is solved. By adopting a flexible structural combination, the size of the connector is reduced, the application flexibility and stability of the product are improved, the production efficiency is increased, and the production cost is lowered.
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, be applicable to the large current terminal of the electric connector of new-energy automobile, industrial equipment, city rail etc., be specially adapted to the large current terminal of new-energy automobile 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, and machining is shaped, then surface treatment, and its current delivery mode is generally reed rotary-connecting or beam type contact.
Reed in reed rotary-connecting current delivery is generally the punching of elasticity copper strips and forms, in the time of transmission current, respectively at reed and female end substrate contact place, reed and male end contact position produce contact resistance of each generation, this way of contact can be produced a large amount of heats in long-time large current delivery process, again because reed is elasticity copper material, electric conductivity is not as good as fine copper, caloric value is also larger, along with the rising of temperature, the elasticity of reed also can reduce, reed is reduced to the pressure of male end, at this moment these two contact resistances that produce on reed will become large, thereby cause caloric value to increase, make so whole current transmission system form vicious circle, beam type transmission contacts with male end by the elastic cantilever in female end conventionally, this way of contact requires the cantilever of terminal to have good elasticity, therefore raw material are generally elasticity copper rod, compared with reed-type switching, this current delivery mode has been lacked a contact resistance, but the same with reed-type switching, elasticity copper material conductivity is not as good as fine copper, under high-temperature condition, the elasticity of cantilever beam can decline, cause cantilever beam to reduce to the pressure of male end, at this moment the contact resistance between male end and female end will become large, thereby cause caloric value to increase, make so whole current transmission system form vicious circle.
Visible traditional large electric current female end terminal, not only processing cost is high, efficiency is low, and the possibility that also has contact to lose efficacy in the time of long-term use, be not suitable for the large electric current of modern electric connector, the instructions for use of small size, be not particularly suitable for large electric current, small size, high efficiency, the instructions for use cheaply of new-energy automobile electric connector.
Summary of the invention
The object of the invention is to newly design a kind of large current terminal of one that can meet the large electric current of electric connector, small size, high efficiency, low cost instructions for use.
The present invention takes following technical scheme:
A kind of large current terminal, comprise the assembly of the elastic card of working in coordination and contact terminal composition, described elastic card comprises the C type main body upper elastic cantilever relative with two, lower elastic cantilever, described upper elastic cantilever and lower elastic cantilever all flexible reinforcement are connected respectively the upper and lower of C shape main body, the end of described upper elastic cantilever and lower elastic cantilever respectively wherein heart face close up, its side is V-shape combination; Described contact terminal comprises hollow, rectangular cylinder, the end face of described hollow, rectangular cylinder prolongs Shen to the opening direction at its front end face place respectively with bottom surface and goes out relative upper contact arm and lower contact arm, the end of described upper contact arm and lower contact arm respectively wherein heart face close up and outwards stick up, its side is also V-shape combination, and the rear end face of described hollow, rectangular cylinder is connected with switching arm; Described C type main body surrounds and described hollow, rectangular cylinder, and upper elastic cantilever, the lower elastic cantilever of described V-shape combination fits tightly upper contact arm, the lower contact arm of same V-shape combination, to apply clamping elastic force.
Further technical scheme is: the elastic card of working in coordination with described contact terminal can be one or two, and described elastic card has interlocking hasp to match between two.
Further technical scheme is: there is relative and visual A rectangular through-hole the upper surface of described C type main body with lower surface, the end face of described hollow, rectangular cylinder have B rectangular through-hole with shown in the A rectangular through-hole of upper surface match, can be used for watching the internal structure of terminal; The bottom surface of described hollow, rectangular cylinder buckle in addition with shown in the A rectangular through-hole composition lockable mechanism of lower surface, make C type main body tightly surround hollow, rectangular cylinder.
Further technical scheme is: all flexible reinforcements of coupling part between described upper elastic arm, lower elastic arm and C type main body, the end of described upper elastic arm, lower elastic arm has N-shaped briquetting, N-shaped briquetting is provided with u-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 an outside V-type opening and two V-type gathering sills, described V-type opening has the opening edge through chamfering, and described two 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 has riveted structure, and described riveted structure is at least one, can directly weld with other part such as wire, binding post, copper bar.
Further technical scheme is: between described switching arm and hollow, rectangular cylinder, be provided with the step for shell assembling.
Further technical scheme is: the material that described elastic card adopts is elastomeric material, and described elastomeric material can 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, there is following beneficial effect: the present invention adopts the Combination Design of elastic card and contact terminal composition, ensure 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 the problem that between electrical connection male end and female end, Long Term Contact lost efficacy; Its dexterous textural association, interlocking design, reduced the volume of connector, increased product and used flexibility and stability, improved production efficiency, reduced production cost, adapts 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 cantilever 1-2; Lower elastic cantilever 1-3; Elastic reinforcement muscle 1-4; Contact terminal 2; Hollow, rectangular cylinder 2-1; Buckle 2-1-1; B rectangular through-hole 2-1-2; Upper contact arm 2-2; Lower contact arm 2-3; Switching arm 2-4; Riveted structure 2-4-1; Lockable mechanism 3; V-type opening 4; Opening edge 4-1; V-type gathering sill 5; N-shaped briquetting 6; U-shaped groove 6-1; Bevel edge 6-2; Step 7.
Embodiment
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, comprise 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, upper elastic cantilever 1-2 and lower elastic cantilever 1-3 flexible reinforcement 1-4 are connected respectively the upper and lower of C shape main body 1-1, 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, the end face of hollow, rectangular cylinder 2-1 prolongs Shen to the opening direction at its front end face place respectively with bottom surface and goes out relative upper contact arm 2-2 and lower contact 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 also V-shape combination, and the rear end face of hollow, rectangular cylinder 2-1 is connected with switching arm 2-4; C type main body 1-1 surrounds and described hollow, rectangular cylinder 2-1, upper elastic cantilever 1-2, the lower elastic cantilever 1-3 of V-shape combination closely clamps upper contact arm 2-2, the lower contact arm 2-3 of same V-shape combination, make elastic card as the elastic potential energy, bidirectional elastic can be effectively provided, simultaneously, upper contact arm 2-2, the lower contact arm 2-3 of V-shape combination 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, when the C shape main body 1-1 of each elastic card 1 combines, two elastic cards 1 can interlock; There is relative and visual A rectangular through-hole 1-1-2 the upper surface of C type main body 1-1 with lower surface, the end face of hollow, rectangular cylinder 2-1 have B rectangular through-hole 2-1-2 with shown in the A rectangular through-hole 1-1-2 of upper surface coincide, can observe the internal structure of large current terminal; The bottom surface of hollow, rectangular cylinder 2-1 also has the outward-dipping 2-1-1 that buckles, and the A rectangular through-hole 1-1-2 composition lockable mechanism 3 of it and lower surface can ensure the structural stability of large current terminal.
There are R angle and elastic reinforcement muscle 1-4 in the upper elastic arm 1-2 of elastic card 1, lower elastic arm 1-3 and C shape main body 1-1 junction, and the end of upper elastic arm 1-2 and lower elastic arm 1-3 has N-shaped briquetting 6, and N-shaped briquetting 6 is provided with u-shaped groove 6-1, can ensure that elastic stress is concentrated; The opening edge of N-shaped briquetting 6 is the bevel edge 6-2 that play the guiding role; The outside perk of end of upper contact arm 2-2, lower contact arm 2-3 is combined into a V-type opening 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 the deformation range of contact arm, thereby make large current terminal can more hold the male terminal of more specifications; Two V-type gathering sills 5 match with the N-shaped briquetting 6 of upper elastic arm 1-2 and lower elastic arm 1-3 respectively, and when assembling, the bevel edge 6-2 of N-shaped briquetting 6 can slide along V-type gathering sill 5, and meanwhile, an elastic buckles is simultaneously for multiple contact arms provide pressure.
Article two, switching arm 2-4 adopts plane body to fit tightly formula, can conveniently weld with various materials, realizes signaling transfer point, and adopts the mode of riveted joint that two switching arms are fitted tightly, and effectively strengthens the coating performance of two switching arms.
The quantity that is provided with riveted structure 2-4 in every switching arm plane is one or two, can directly weld with other part such as wire, binding post, copper bar.
Between switching arm 2-4 and hollow, rectangular cylinder 2-1, be provided with step 7, and be distributed in the two sides of hollow, rectangular cylinder 2-1, assemble for shell.
The material that elastic card 1 adopts is stainless steel, can under higher temperature, keep elastic force, ensures the pressure of large current terminal to male terminal, thereby ensures that contact resistance is not because pressure reduces to increase; Play the contact terminal 2 of electric action and adopt fine copper as material, there is the ability of well damming, compared with elastic component in the large current terminal of tradition, can be because of the not good heating in a large number of material 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 enhance productivity, and 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 only preferably execution mode of the present invention, embodiments of the present invention are not restricted to the described embodiments, should be appreciated that, those skilled in the art can design a lot of other amendment and execution modes, within these amendments and execution mode will drop on the disclosed principle scope and spirit of the application.
Claims (10)
1. a large current terminal, it is characterized in that comprising the assembly of the elastic card (1) of working in coordination and contact terminal (2) composition, described 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), described upper elastic cantilever (1-2) and lower elastic cantilever (1-3) are connected respectively the upper and lower of C shape main body (1-1), the flexible reinforcement of C shape main body (1-1) (1-4), the end of described upper elastic cantilever (1-2) and lower elastic cantilever (1-3) respectively wherein heart face close up, its side is V-shape combination, described contact terminal (2) comprises hollow, rectangular cylinder (2-1), the end face of described hollow, rectangular cylinder (2-1) extends relative upper contact arm (2-2) and lower contact arm (2-3) to the opening direction at its front end face place respectively with bottom surface, the end of described upper contact arm (2-2) and lower contact arm (2-3) respectively wherein heart face close up and outwards stick up, its side is also V-shape combination, and (rear end face of 2-1 is connected with switching arm (2-4) to described hollow, rectangular cylinder, described C type main body (1-1) surrounds and described hollow, rectangular cylinder (2-1), and upper elastic cantilever (1-2), the lower elastic cantilever (1-3) of described V-shape combination fits tightly upper contact arm (2-2), the lower contact arm (2-3) of same V-shape combination.
2. according to the large current terminal described in claim 1, it is characterized in that the elastic card (1) of working in coordination with described contact terminal (2) is one or two, described elastic card (1) has interlocking hasp (1-1-1).
3. according to the large current terminal described in claim 1, there is relative and visual A rectangular through-hole (1-1-2) upper surface that it is characterized in that described C type main body (1-1) with lower surface, the end face of described hollow, rectangular cylinder (2-1) have B rectangular through-hole (2-1-2) with shown in the A rectangular through-hole (1-1-2) of upper surface match, the bottom surface of described hollow, rectangular cylinder (2-1) buckle in addition (2-1-1) with shown in A rectangular through-hole (1-1-2) the composition lockable mechanism (3) of lower surface.
4. according to the large current terminal described in claim 1, the end that it is characterized in that described upper elastic arm (1-2), lower elastic arm (1-3) has N-shaped briquetting (6), N-shaped briquetting (6) is provided with u-shaped groove (6-1), and the opening edge of N-shaped briquetting (6) is the bevel edge (6-2) playing the guiding role.
5. according to the large current terminal described in claim 1, the outside perk of end that it is characterized in that described upper contact arm (2-2), lower contact arm (2-3) is combined into a V-type opening (4) and two V-type gathering sills (5), described V-type opening (4) has the opening edge (4-1) through chamfering, and described two V-type gathering sills (5) match with the N-shaped briquetting (6) of upper elastic arm (1-2) and lower elastic arm (1-3) respectively.
6. according to the large current terminal described in claim 1, it is characterized in that described switching arm (2-4) is plane body, described switching arm is at least one.
7. according to the large current terminal described in claim 1 or 6, it is characterized in that described switching arm (2-4) has riveted structure (2-4-1), described riveted structure (2-4-1) is at least one.
8. according to the large current terminal described in claim 1, it is characterized in that being provided with between described switching arm (2-4) and hollow, rectangular cylinder (2-1) step (7) for shell assembling.
9. according to the large current terminal described in claim 1, it is characterized in that the material that described elastic card (1) adopts is stainless steel.
10. according to the large current terminal described in claim 1, it is characterized in that the material that contact terminal (2) adopts is copper.
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104037523A true CN104037523A (en) | 2014-09-10 |
| CN104037523B CN104037523B (en) | 2016-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410265214.1A Active CN104037523B (en) | 2014-06-13 | 2014-06-13 | A kind of large current terminal |
Country Status (1)
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| CN (1) | CN104037523B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106410464A (en) * | 2016-11-29 | 2017-02-15 | 河南天海电器有限公司 | Side-mounted terminal |
| CN106450964A (en) * | 2016-11-04 | 2017-02-22 | 安费诺汽车连接系统（常州）有限公司 | A hand-operated single-phase power switch |
| CN106486791A (en) * | 2015-08-31 | 2017-03-08 | 泰连德国有限公司 | For setting up the device of electrical connection between lug contact and high current conductor |
| 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 |
| CN108011219A (en) * | 2016-10-28 | 2018-05-08 | 泰连德国有限公司 | Flat contact jack |
| 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 |
| US10283895B1 (en) | 2017-12-20 | 2019-05-07 | Lear Corporation | Electrical terminal assembly with split shroud |
| CN110011099A (en) * | 2019-05-15 | 2019-07-12 | 四川永贵科技有限公司 | Rectangle reed for electric connector jack terminal |
| US10396482B2 (en) | 2017-12-20 | 2019-08-27 | Lear Corporation | Electrical terminal assembly with locked spring member |
| CN110867690A (en) * | 2019-11-25 | 2020-03-06 | 中航光电科技股份有限公司 | Connector and plug thereof |
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| 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 |
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| CN106486791A (en) * | 2015-08-31 | 2017-03-08 | 泰连德国有限公司 | For setting up the device of electrical connection between lug contact and high current conductor |
| US10236612B2 (en) | 2016-10-28 | 2019-03-19 | Te Connectivity Germany Gmbh | Flat contact socket |
| CN108011219A (en) * | 2016-10-28 | 2018-05-08 | 泰连德国有限公司 | Flat contact jack |
| JP2018073827A (en) * | 2016-10-28 | 2018-05-10 | 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ＴＥ Ｃｏｎｎｅｃｔｉｖｉｔｙ Ｇｅｒｍａｎｙ ＧｍｂＨ | Flat contact socket |
| CN108011219B (en) * | 2016-10-28 | 2021-06-25 | 泰连德国有限公司 | Flat contact socket |
| 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 |
| CN106450964A (en) * | 2016-11-04 | 2017-02-22 | 安费诺汽车连接系统（常州）有限公司 | A hand-operated 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 |
| CN106410464A (en) * | 2016-11-29 | 2017-02-15 | 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 |
| CN110011099A (en) * | 2019-05-15 | 2019-07-12 | 四川永贵科技有限公司 | Rectangle reed for electric connector jack 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 |
| CN110867690A (en) * | 2019-11-25 | 2020-03-06 | 中航光电科技股份有限公司 | Connector and plug thereof |
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| CN104037523B (en) | 2016-05-11 |
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