CN112072358B - Multiple contact heavy current elastic terminal and have its connector - Google Patents
Multiple contact heavy current elastic terminal and have its connector Download PDFInfo
- Publication number
- CN112072358B CN112072358B CN202010847572.9A CN202010847572A CN112072358B CN 112072358 B CN112072358 B CN 112072358B CN 202010847572 A CN202010847572 A CN 202010847572A CN 112072358 B CN112072358 B CN 112072358B
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- elastic
- contact
- sheet
- elastic strip
- strip
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/10—Sockets for co-operation with pins or blades
- H01R13/11—Resilient sockets
- H01R13/113—Resilient sockets co-operating with pins or blades having a rectangular transverse section
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
The invention relates to the technical field of connectors, in particular to a multi-contact large-current elastic terminal and a connector. In addition, because the contact shell fragment is the slice for the overall structure volume of elastic terminal is less, and occupation space is little, but also make with contact shell fragment complex inserted sheet, it can carry out ultrasonic bonding with the cable, connects more reliably. The connector with the elastic terminal has the characteristics of strong current carrying capacity, low temperature rise and good electric conductivity.
Description
Technical Field
The invention relates to the technical field of connectors, in particular to a multi-contact large-current elastic terminal and a connector with the same.
Background
The spring terminal of the connector is the core component of the connector. In the prior art, the elastic terminal of the connector adopting jack contact is generally in a circular structure, and after the insertion, because the contact points between the elastic terminal of the circular structure and the insertion piece are few and the contact area is small, the connector with the same cross-sectional area is poor in current-carrying capacity, temperature rise and conductivity. And the elastic terminal of the existing circular structure also causes the overall structure of the connector to be larger in size and to occupy more space. In addition, the elastic terminal with the circular structure and the matched inserting sheet are connected with a cable in a crimping way, so that the connection is not firm, the production efficiency is low, and the cost is high.
Disclosure of Invention
One of the objectives of the present invention is to provide a bidirectional multi-contact large-current elastic terminal with a large number of contact points and a large contact area.
The second purpose of the present invention is to provide a connector with strong current carrying capability, low temperature rise and good conductivity, which is aimed at the deficiencies in the prior art.
One of the purposes of the invention is realized by the following technical scheme:
the utility model provides a multiple contact heavy current elastic terminal, including terminal subject and contact shell fragment, terminal subject is equipped with the flat storage tank of U-shaped, and the U-shaped shell fragment of contact shell fragment for having the inserting groove, contact shell fragment insert in the storage tank and with terminal subject fixed connection, contact shell fragment be equipped with a plurality ofly towards the elastic strip that hunch-up in the inserting groove, inserted the inserted sheet in the inserting groove of contact shell fragment, elastic strip and inserted sheet elastic contact.
Preferably, the elastic strip is formed by punching and tearing the contact elastic sheet, and the elastic strip and the contact elastic sheet are in an integrally formed structure.
Preferably, the elastic strip comprises a first elastic strip and a second elastic strip which are arranged at intervals, one end of the first elastic strip is connected with the contact elastic piece, the other end of the first elastic strip is a free end, and two ends of the second elastic strip are connected with the contact elastic piece.
Preferably, the first elastic strip is arc-shaped, the contact point of the first elastic strip and the insertion sheet is located at the arc-shaped bottom of the first elastic strip, and the free end of the first elastic strip tilts outwards from the insertion groove to be used for abutting against the inner wall of the accommodating groove.
Preferably, the second elastic strip is arc-shaped, and the contact point of the second elastic strip and the inserting sheet is positioned at the arc-shaped bottom of the second elastic strip.
Preferably, the two end parts of the second elastic strip are provided with third elastic strips which arch outwards the insertion groove.
Preferably, one end of the third elastic strip is connected with the second elastic strip, the other end of the third elastic strip is a free end, and the free end of the third elastic strip is tilted outwards from the insertion groove to be used for abutting against the inner wall of the accommodating groove.
Preferably, the terminal main body comprises two sheet-shaped metal sheets, the middle parts of the two sheet-shaped metal sheets are fixedly connected through riveting, and the grooves formed at the two ends of the two sheet-shaped metal sheets are accommodating grooves.
Preferably, the two sides of the end of the metal sheet are provided with clamping grooves, the two sides of the end of the contact elastic sheet are provided with clamping protrusions clamped into the clamping grooves, and the end of the contact elastic sheet is bent to form a flanging to be buckled with the end of the metal sheet.
The second purpose of the invention is realized by the following technical scheme:
a connector is provided, which comprises the multi-contact high-current elastic terminal.
The invention discloses a multi-contact large-current elastic terminal which structurally comprises a terminal main body and a contact elastic sheet, wherein the terminal main body is provided with a U-shaped flat accommodating groove, the contact elastic sheet is a U-shaped elastic sheet with an inserting groove, the contact elastic sheet is inserted into the accommodating groove and fixedly connected with the terminal main body, the contact elastic sheet is provided with a plurality of elastic strips arched towards the inside of the inserting groove, inserting sheets are inserted into the inserting groove of the contact elastic sheet, and the elastic strips are in elastic contact with the inserting sheets to form a plurality of elastic contact points, so that the contact area of the terminal is increased, the current carrying capacity is high, the temperature rise is low, and the good electric conduction performance is realized. In addition, because the contact shell fragment is the slice for the overall structure volume of elastic terminal is less, and occupation space is little, but also make with contact shell fragment complex inserted sheet, it can carry out ultrasonic bonding with the cable, connects more reliably, and efficiency is higher.
The connector provided by the invention is provided with the multiple-contact large-current elastic terminal, so that the connector is strong in current-carrying capacity, low in temperature rise and good in electric conductivity, the contact elastic sheet is flaky, the overall structure volume of the connector is smaller, the occupied use space is small, and the insertion sheet matched with the contact elastic sheet can be welded with a cable in an ultrasonic mode, so that the connection is more reliable, the efficiency is higher, and the cost is lower.
Drawings
The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be obtained on the basis of the following drawings without inventive effort.
Fig. 1 is an exploded view of a multi-contact high-current elastic terminal according to the present invention.
Fig. 2 is a schematic side view of a multi-contact high-current elastic terminal according to the present invention.
Fig. 3 is a schematic cross-sectional view of a multi-contact large-current elastic terminal according to the present invention.
Fig. 4 is a schematic structural view of the insertion piece of the present invention inserted into the insertion groove of the contact spring.
Fig. 1 to 4 include:
1-terminal body, 11-accommodating groove;
2-metal sheet, 21-concave part, 22-riveting hole, 23-clamping groove;
3-contact spring piece, 31-plug groove, 32-blocking projection, 33-flanging, 34-first elastic strip,
35-second elastic strip, 36-third elastic strip;
4-insert sheet.
Detailed Description
The invention is further described with reference to the following examples.
As shown in fig. 1 and 2, the multiple-contact large-current elastic terminal according to the present invention includes a terminal body 1 and a contact spring 3, wherein the terminal body 1 is provided with a U-shaped flat receiving groove 11. Specifically, terminal body 1 includes two flaky sheetmetals 2, and the middle part stamping forming of sheetmetal 2 has depressed part 21, and depressed part 21 is equipped with riveting hole 22, and the middle part of two flaky sheetmetals 2 is through inserting the rivet in riveting hole 22, and then realizes riveting fixed connection. As shown in fig. 2 and 3, the two ends of the two metal sheets 2 are respectively provided with receiving grooves 11, and the contact spring 3 can be inserted into the receiving grooves 11 at the two ends of the terminal body 1, so as to realize bidirectional insertion and removal of the terminal, and is easy to install and use. The terminal body 1 is punched and riveted to form, is suitable for mass production, is high in efficiency and low in cost, and can meet market demands.
As shown in fig. 1-4, the contact spring 3 is a U-shaped spring with a plug groove 31, and the contact spring 3 is made of a high-conductivity copper material. Contact shell fragment 3 inserts in the storage tank 11 and with sheetmetal 2 fixed connection, it is concrete, as shown in fig. 2, the tip both sides of sheetmetal 2 all are equipped with draw-in groove 23, the tip both sides of contact shell fragment 3 are bent to have the card that can block into draw-in groove 23 protruding 32, and the tip of contact shell fragment 3 has still bent turn-ups 33, when inserted sheet 4 inserts in the inserting groove 31 of contact shell fragment 3, turn-ups 33 with the tip lock with sheetmetal 2, card protruding 32 card is gone into in the draw-in groove 23, thereby be fixed in the storage tank 11 of terminal main part 1 with contact shell fragment 3 reliably.
As shown in fig. 1, the contact spring 3 is provided with a plurality of elastic strips which are arched towards the inside of the insertion groove 31, the insertion piece 4 is inserted into the insertion groove 31 of the contact spring 3, and the elastic strips are in elastic contact with the insertion piece 4, so that a plurality of elastic contact points are formed, the contact area of the terminal is increased, the skin effect of current can be effectively weakened due to the flat shape, the current carrying capacity is high, the temperature rise is low, and the conductivity is good. In addition, because contact shell fragment 3 is the slice for the overall structure volume of elastic terminal is less, light in weight, and occupation space is little, but also make with contact shell fragment 3 complex inserted sheet 4, it can carry out ultrasonic bonding with the cable, connects more reliably, and efficiency is higher.
As shown in fig. 1, the elastic strip is formed by punching and tearing the contact spring 3, and the elastic strip and the contact spring 3 are integrally formed. The elastic strip comprises a first elastic strip 34 and a second elastic strip 35 which are arranged at intervals. One end of the first elastic strip 34 is connected with the elastic sheet 3, and the other end of the first elastic strip 34 is a free end. The first elastic strip 34 is arc-shaped, the contact point of the first elastic strip 34 and the insertion sheet 4 is located at the arc-shaped bottom of the first elastic strip 34, and the free end of the first elastic strip 34 tilts outwards towards the insertion groove 31. As shown in fig. 4, when the insertion piece 4 is inserted into the insertion groove 31 of the contact spring piece 3, the arc-shaped bottom of the first elastic strip 34 is elastically contacted with the insertion piece 4, and the free end of the first elastic strip 34 abuts against the inner wall of the accommodating groove 11, so as to increase the elastic contact force of the first elastic strip 34. In addition, the free end of the first elastic strip 34 is tilted outward to the insertion groove 31, so that the insertion sheet 4 can be inserted and pulled smoothly, the contact elastic sheet 3 is not easy to deform, and the contact between the contact elastic sheet 3 and the insertion sheet 4 is stable and reliable.
As shown in fig. 1 and 4, both ends of the second elastic strip 35 are connected to the contact spring 3. The second elastic strip 35 is arc-shaped, and the contact point of the second elastic strip 35 and the insertion sheet 4 is located at the arc-shaped bottom of the second elastic strip 35. Both ends of the second elastic strip 35 are provided with third elastic strips 36 which are arched outward of the insertion groove 31. One end of the third elastic strip 36 is connected with the second elastic strip 35, the other end of the third elastic strip 36 is a free end, and the free end of the third elastic strip 36 is tilted outwards towards the insertion groove 31. As shown in fig. 4, when the insertion piece 4 is inserted into the insertion groove 31 of the contact spring piece 3, the arc-shaped bottom of the second elastic strip 35 is elastically contacted with the insertion piece 4, and the free end of the third elastic strip 36 abuts against the inner wall of the accommodating groove 11, so that the elastic contact force of the second elastic strip 35 is increased. In addition, the free end of the third elastic strip 36 is tilted outward toward the insertion groove 31 and can abut against the inner wall of the accommodating groove 11, so as to further fix the contact spring 3 and the terminal body 1, and the contact spring 3 and the terminal body 1 are prevented from being loosened after being inserted and pulled for many times.
The connector provided by the invention is provided with the multiple-contact large-current elastic terminal, so that the connector is strong in current-carrying capacity, low in temperature rise and good in electric conductivity, the contact elastic sheet 3 is flaky, the overall structure volume of the connector is smaller, the occupied use space is small, the insertion sheet 4 in contact with the contact elastic sheet 3 can be welded with a cable in an ultrasonic mode, the connection is more reliable, the efficiency is higher, and the cost is lower.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. A multi-contact large-current elastic terminal comprises a terminal main body and a contact elastic sheet, and is characterized in that the terminal main body is provided with a U-shaped flat accommodating groove, the contact elastic sheet is a U-shaped elastic sheet with an insertion groove, the contact elastic sheet is inserted into the accommodating groove and fixedly connected with the terminal main body, the contact elastic sheet is provided with a plurality of elastic strips arched towards the inside of the insertion groove, insertion sheets are inserted into the insertion groove of the contact elastic sheet, and the elastic strips are in elastic contact with the insertion sheets;
each elastic strip comprises two first elastic strips and one second elastic strip which are arranged at intervals, one ends of the first elastic strips are connected with the contact elastic sheet, the other ends of the first elastic strips are free ends, the two first elastic strips are symmetrically arranged by taking a cross rod in the middle of the second elastic strip as a symmetry axis, and two ends of the second elastic strip are connected with the contact elastic sheet;
the horizontal projection of the second elastic strip is arc-shaped, the vertical projection is H-shaped formed by two vertical rods and a cross rod, the two ends of the vertical rods are connected with the contact elastic sheet in the second elastic strip, and the contact point of the second elastic strip and the insertion sheet is positioned at the arc-shaped bottom of the second elastic strip;
the two ends of the second elastic strip are provided with third elastic strips which are arched outwards from the inserting groove, the number of the third elastic strips is two, the third elastic strips are symmetrically arranged by taking a cross rod in the middle of the second elastic strip as a symmetry axis, and the third elastic strips are specifically connected to the sides of the cross rod in the middle of the second elastic strip and positioned between two vertical rods;
every the one end and the second elastic strip of third elastic strip are connected, and specifically connect the horizontal pole side at second elastic strip middle part, and the third elastic strip is whole to be located in the middle of two montants, the other end of third elastic strip is the free end, and the free end of third elastic strip is in order to be used for supporting the inner wall of holding tank to the grafting groove perk outward.
2. A multi-contact high current sprung terminal as claimed in claim 1, wherein: the elastic strip is formed by punching, tearing and molding the contact elastic sheet, and the elastic strip and the contact elastic sheet are of an integrally molded structure.
3. A multi-contact high current sprung terminal as claimed in claim 1, wherein: the first elastic strip is arc-shaped, the contact point of the first elastic strip and the insertion sheet is located at the arc-shaped bottom of the first elastic strip, and the free end of the first elastic strip is tilted outwards to the insertion groove to be used for abutting against the inner wall of the accommodating groove.
4. A multi-contact high current sprung terminal as claimed in claim 1, wherein: the terminal main body comprises two sheet metal sheets, the middle parts of the two sheet metal sheets are fixedly connected through riveting, and grooves formed at two ends of the two sheet metal sheets are accommodating grooves.
5. The multi-contact high current sprung terminal of claim 4, further comprising: the both sides of the end of the metal sheet are provided with clamping grooves, the both sides of the end of the contact elastic sheet are provided with clamping protrusions clamped into the clamping grooves, and the end of the contact elastic sheet is bent to form a flanging to be buckled with the end of the metal sheet.
6. A connector, characterized by: a multi-contact high current sprung terminal comprising one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010847572.9A CN112072358B (en) | 2020-08-21 | 2020-08-21 | Multiple contact heavy current elastic terminal and have its connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010847572.9A CN112072358B (en) | 2020-08-21 | 2020-08-21 | Multiple contact heavy current elastic terminal and have its connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112072358A CN112072358A (en) | 2020-12-11 |
| CN112072358B true CN112072358B (en) | 2022-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010847572.9A Active CN112072358B (en) | 2020-08-21 | 2020-08-21 | Multiple contact heavy current elastic terminal and have its connector |
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| CN (1) | CN112072358B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113783007B (en) * | 2021-08-26 | 2022-07-01 | 深圳连信精密技术有限公司 | Contact terminal, electric connector and electronic equipment |
| CN114552255A (en) * | 2022-03-31 | 2022-05-27 | 苏州华旃航天电器有限公司 | Socket assembly |
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| CN110957597A (en) * | 2019-12-27 | 2020-04-03 | 深圳乔合里科技股份有限公司 | Double-reed flat large-current terminal and assembling method thereof |
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| DE4112035A1 (en) * | 1991-04-12 | 1992-10-15 | Dunkel Otto Gmbh | CONTACT SOCKET FOR CONNECTING FLAT CONTACTS |
| CN201732966U (en) * | 2010-05-26 | 2011-02-02 | 童德福 | Double-end plug-in unit of communication device |
| CN104143718B (en) * | 2013-05-09 | 2016-08-31 | 町洋机电(中国)有限公司 | Electric connector low cost big electric current intermediate plate terminal |
| EP3467949B1 (en) * | 2017-10-04 | 2021-04-21 | Aptiv Technologies Limited | High-current electrical connector |
| CN208797225U (en) * | 2018-10-31 | 2019-04-26 | 深圳金信诺光电技术有限公司 | A kind of flat slotting high pressure female end sub-component of high current |
| CN209461665U (en) * | 2018-12-11 | 2019-10-01 | 番禺得意精密电子工业有限公司 | Arrangements of electric connection |
| CN209266628U (en) * | 2018-12-20 | 2019-08-16 | 安费诺汽车连接系统（常州）有限公司 | High current terminal |
| CN110011100B (en) * | 2019-05-15 | 2023-11-28 | 四川永贵科技有限公司 | Rectangular reed jack terminal of electric connector |
| CN110364855A (en) * | 2019-06-17 | 2019-10-22 | 深圳尼索科连接技术有限公司 | Multi-contact contact, folder spring, folder spring plug bush, hat spring are come of age spring plug bush |
| CN210535878U (en) * | 2019-11-18 | 2020-05-15 | 河南天海电器有限公司 | Large-current sheet type reed |
| CN212751213U (en) * | 2020-08-21 | 2021-03-19 | 乐清市八达光电科技股份有限公司 | Multiple contact heavy current elastic terminal and have its connector |
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- 2020-08-21 CN CN202010847572.9A patent/CN112072358B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107546520A (en) * | 2016-06-24 | 2018-01-05 | 贝尔威勒电子股份有限公司 | Power connector and its power terminal set |
| CN110957597A (en) * | 2019-12-27 | 2020-04-03 | 深圳乔合里科技股份有限公司 | Double-reed flat large-current terminal and assembling method thereof |
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| CN112072358A (en) | 2020-12-11 |
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