CN212751213U - 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
- CN212751213U CN212751213U CN202021770474.1U CN202021770474U CN212751213U CN 212751213 U CN212751213 U CN 212751213U CN 202021770474 U CN202021770474 U CN 202021770474U CN 212751213 U CN212751213 U CN 212751213U
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- China
- Prior art keywords
- contact
- elastic
- elastic strip
- terminal
- shell fragment
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- 239000012634 fragment Substances 0.000 claims abstract description 36
- 238000003860 storage Methods 0.000 claims abstract description 11
- 230000037431 insertion Effects 0.000 claims description 31
- 238000003780 insertion Methods 0.000 claims description 31
- 239000002184 metal Substances 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 238000004080 punching Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims 1
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000000994 depressogenic effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000002500 effect on skin Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Images
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- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
The utility model relates to a connector technical field, concretely relates to heavy current elastic terminal of multiple contact and connector, elastic terminal includes terminal main part and contact shell fragment, terminal main part is equipped with the flat storage tank of U-shaped, contact shell fragment is for having the U-shaped shell fragment of inserting groove, contact shell fragment insert in the storage tank and with terminal main part fixed connection, contact shell fragment is equipped with a plurality of elastic strips that arch up in the inserting groove of court, the inserted sheet inserts in the inserting groove of contact shell fragment, elastic strip and inserted sheet elastic contact, form a plurality of elastic contact points, and then increase the area of contact of terminal, make current-carrying capacity strong, the temperature rise is low, electric conductive property is good. 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 utility model relates to a connector technical field, concretely relates to multiple contact heavy current elastic terminal and have its connector.
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 the jack for contact is generally in a circular structure, and after the insertion, the connector with the same cross-sectional area is poor in current-carrying capacity, temperature rise and conductivity due to the fact that the number of contact points between the elastic terminal of the circular structure and the insertion piece is small and the contact area is small. And the elastic terminal of the existing circular structure also causes the overall structure of the connector to have larger size and more occupied space. In addition, the elastic terminal with the circular structure and the matched inserting sheet are connected with the cable in a crimping mode, so that the connection is not firm, the production efficiency is low, and the cost is high.
SUMMERY OF THE UTILITY MODEL
One of the objectives of the present invention is to provide a bidirectional multiple-contact large-current elastic terminal with multiple contact points and large contact area, which is not sufficient in the prior art.
The second objective of the present invention is to overcome the disadvantages of the prior art, and to provide a connector with strong current-carrying capability, low temperature rise and good conductivity.
The utility model discloses an one of purpose is realized through 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 utility model discloses a second purpose is realized through following technical scheme:
a connector is provided, which comprises the multi-contact high-current elastic terminal.
The utility model discloses a heavy current elastic terminal of multiple contact, its structure includes terminal main part and contact shell fragment, terminal main part is equipped with the flat storage tank of U-shaped, contact shell fragment is the U-shaped shell fragment that has the inserting groove, contact shell fragment insert in the storage tank and with terminal main part fixed connection, contact shell fragment is equipped with a plurality of elasticity strips of arching in the inserting groove, the inserted sheet has been inserted in contact shell fragment's the inserting groove, elasticity strip and inserted sheet elastic contact, form a plurality of elastic contact points, and then increase the area of contact of terminal, make the current-carrying capacity strong, the temperature rise is low, electric conductive property is good. 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 utility model discloses a connector, it has foretell multiple contact heavy current elastic terminal for this connector current-carrying capacity is strong, and the temperature rise is low, and electric conductive property is good, and contact elastic piece is the slice moreover, makes the overall structure volume of connector less, and it is little to occupy the usage space, but also make with contact elastic piece complex inserted sheet, and it can carry out ultrasonic bonding with the cable, connects more reliably, and efficiency is higher, and the cost is lower.
Drawings
The present invention is further explained by using the drawings, but the embodiments in the drawings do not constitute any limitation to the present invention, and for those skilled in the art, other drawings can be obtained according to the following drawings without any inventive work.
Fig. 1 is a schematic view of an exploded structure of a multiple-contact large-current elastic terminal according to the present invention.
Fig. 2 is a schematic side view of the multi-contact large-current elastic terminal of 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 will be further described with reference to the following examples.
The utility model discloses a multiple contact heavy current elastic terminal's embodiment, as shown in fig. 1 and 2, its structure includes terminal main part 1 and contact shell fragment 3, and terminal main part 1 is equipped with the flat storage tank 11 of U-shaped. 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 utility model discloses a connector, it has foretell multiple contact heavy current elastic terminal for this connector current-carrying capacity is strong, and the temperature rise is low, and electric conductive property is good, and contact elastic piece 3 is the slice moreover, makes the overall structure volume of connector less, and it is little to occupy the usage space, but also makes the inserted sheet 4 with contact elastic piece 3 contact, and it can carry out ultrasonic bonding with the cable, connects more reliably, and efficiency is higher, and the cost is lower.
It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. The utility model provides a multiple contact heavy current elastic terminal, includes terminal main part and contact shell fragment, its characterized in that, terminal main part 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 main part fixed connection, contact shell fragment is equipped with a plurality of elastic strips that arch up towards the inserting groove in, the inserting groove of contact shell fragment has inserted the inserted sheet, elastic strip and inserted sheet elastic contact.
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 according to claim 1 or 2, characterised in that: 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 the two ends of the second elastic strip are connected with the contact elastic piece.
4. A multi-contact high current sprung terminal as claimed in claim 3, 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.
5. A multi-contact high current sprung terminal as claimed in claim 3, wherein: 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.
6. A multi-contact high current sprung terminal as claimed in claim 3, wherein: and third elastic strips which are arched outwards towards the inserting grooves are arranged at the two end parts of the second elastic strips.
7. A multi-contact high current sprung terminal as claimed in claim 6, wherein: 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 to the insertion groove to be used for abutting against the inner wall of the accommodating groove.
8. A multi-contact high current sprung terminal according to claim 1 or 2, characterised in that: 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.
9. A multi-contact high current sprung terminal as claimed in claim 8, wherein: 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.
10. A connector, characterized by: a multi-contact high current sprung terminal comprising one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021770474.1U CN212751213U (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 |
|---|---|---|---|
| CN202021770474.1U CN212751213U (en) | 2020-08-21 | 2020-08-21 | Multiple contact heavy current elastic terminal and have its connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212751213U true CN212751213U (en) | 2021-03-19 |
Family
ID=74987999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021770474.1U Active CN212751213U (en) | 2020-08-21 | 2020-08-21 | Multiple contact heavy current elastic terminal and have its connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212751213U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112072358A (en) * | 2020-08-21 | 2020-12-11 | 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 |
| CN113258372A (en) * | 2021-05-26 | 2021-08-13 | 宣城立讯精密工业有限公司 | Electrical connection kit and electrical connector |
| CN114122818A (en) * | 2021-12-30 | 2022-03-01 | 长春捷翼汽车零部件有限公司 | Electrical connector |
| US11677175B2 (en) | 2021-05-26 | 2023-06-13 | Xuancheng Luxshare Precision Industry Co., Ltd. | Electrical connecting assembly and electrical connector |
| CN119093066A (en) * | 2024-10-18 | 2024-12-06 | 北京维通利电气股份有限公司 | A high current bidirectional connector |
-
2020
- 2020-08-21 CN CN202021770474.1U patent/CN212751213U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112072358A (en) * | 2020-08-21 | 2020-12-11 | 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 |
| CN113258372A (en) * | 2021-05-26 | 2021-08-13 | 宣城立讯精密工业有限公司 | Electrical connection kit and electrical connector |
| CN113258372B (en) * | 2021-05-26 | 2022-12-02 | 宣城立讯精密工业有限公司 | Electrical connection kit and electrical connector |
| US11658434B2 (en) | 2021-05-26 | 2023-05-23 | Xuancheng Luxshare Precision Industry Co., Ltd. | Electrical connecting assembly and electrical connector |
| US11677175B2 (en) | 2021-05-26 | 2023-06-13 | Xuancheng Luxshare Precision Industry Co., Ltd. | Electrical connecting assembly and electrical connector |
| CN114122818A (en) * | 2021-12-30 | 2022-03-01 | 长春捷翼汽车零部件有限公司 | Electrical connector |
| EP4459811A4 (en) * | 2021-12-30 | 2025-04-23 | Changchun Jetty Automotive Technology Co., Ltd. | Electrical connector |
| CN119093066A (en) * | 2024-10-18 | 2024-12-06 | 北京维通利电气股份有限公司 | A high current bidirectional connector |
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| GR01 | Patent grant |