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KR20140008879A - Connector terminal having improved insertion and joint stability - Google Patents

Connector terminal having improved insertion and joint stability Download PDF

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Publication number
KR20140008879A
KR20140008879A KR1020120076333A KR20120076333A KR20140008879A KR 20140008879 A KR20140008879 A KR 20140008879A KR 1020120076333 A KR1020120076333 A KR 1020120076333A KR 20120076333 A KR20120076333 A KR 20120076333A KR 20140008879 A KR20140008879 A KR 20140008879A
Authority
KR
South Korea
Prior art keywords
terminal
connector
housing
tension
terminal housing
Prior art date
Application number
KR1020120076333A
Other languages
Korean (ko)
Inventor
류진수
박동일
박준서
김대진
Original Assignee
현대자동차주식회사
기아자동차주식회사
주식회사 유라코퍼레이션
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 현대자동차주식회사, 기아자동차주식회사, 주식회사 유라코퍼레이션 filed Critical 현대자동차주식회사
Priority to KR1020120076333A priority Critical patent/KR20140008879A/en
Publication of KR20140008879A publication Critical patent/KR20140008879A/en

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Classifications

    • 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
    • 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
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • H01R13/428—Securing in a demountable manner by resilient locking means on the contact members; by locking means on resilient contact members
    • H01R13/432—Securing in a demountable manner by resilient locking means on the contact members; by locking means on resilient contact members by stamped-out resilient tongue snapping behind shoulder in base or case
    • 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
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/42—Securing in a demountable manner
    • H01R13/436—Securing a plurality of contact members by one locking piece or operation
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/10—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation
    • H01R4/18—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping
    • H01R4/183—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section
    • H01R4/184—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation effected solely by twisting, wrapping, bending, crimping, or other permanent deformation by crimping for cylindrical elongated bodies, e.g. cables having circular cross-section comprising a U-shaped wire-receiving portion

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  • Connector Housings Or Holding Contact Members (AREA)

Abstract

The present invention relates to a connector terminal with improved insertion and joint stability, which provides a connector arm terminal which has not only high joint stability and high current flow stability but also excellent insertion stability when being connected with a male terminal. The connector arm terminal provided by the present invention is also able to accommodate all from a lower current capacity to a high current capacity and share, standardize, and minimize regardless of current capacity. In order to achieve the forementioned purposes, the connector arm terminal includes: a terminal housing; a current flow part which is fixated inside of the terminal housing; and a barrel part which suppresses and fixates a wire by being formed in the current flow part in one united body and more includes an inner side tension part which is extended to the inside from the terminal housing and compresses the current flow part by pressurizing toward the current flow part of the male terminal which is inserted into the terminal housing by elasticity.

Description

Connector terminal having improved insertion and joint stability

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector terminal, and more particularly, to a connector female terminal having high coupling property and energizing stability as well as excellent insertion property when connected to a male terminal.

In general, the connector is widely used as an electrical connection means in a variety of electrical appliances used in the industrial as well as household appliances used in the home.

In the case of automobiles, a plurality of connectors are used to connect electrical components, controllers, batteries, and the like, and various types of connectors are used according to current capacity.

Conventional connectors for connecting electric wires and electric wires are divided into a female connector and a male connector, and electrical connection is made by fastening between the female connector and the male connector.

In addition, the male and male connectors have a structure in which a terminal to which an electric wire is connected is assembled inside the connector housing, and when the housing between the female and male connectors is fastened, the female terminal and the male terminal are connected to each other so as to conduct electricity.

Conventionally, various types of connector terminals have been used according to the current capacity used in an electrical system, but recently, technology development for realizing standardization, common use, miniaturization, and weight reduction of connector terminals is required.

Referring to the terminal used for the female connector, that is, the conventional female terminal, as described above, various kinds of female terminals are used according to the current capacity, and the raw material alloy system having high conductivity from the simple form of crimping the wire to the barrel It is known to use a current-carrying part that can accommodate high currents using copper alloy, a Coulson alloy system, and the like, and a shape of employing a tension part in addition to the current-carrying part.

1 is a cross-sectional view showing a conventional connector female terminal, as shown in the terminal housing 21, the conductive portion 23, the conductive portion 23 of the conductive material is inserted into the terminal housing 21 is installed It includes a barrel portion 24 of a conductive material formed integrally formed to crimp the electric wire, and has a structure in which the tension portion 22 coupled to the connector housing (not shown) is integrally formed in the terminal housing 21.

Here, the energizing portion 23 is provided on both sides of the top and bottom in the drawing has a structure that can be inserted into the energizing portion 11 of the male terminal 10 therebetween, the spring portion of the structure bent in the center for providing tension ( 23a and the crimping | compression-bonding part 23b formed in the structure extended from the spring part 23a, and crimping | bonding the electricity supply part 11 of the male terminal 10 simultaneously at both sides.

At this time, the tension portion 22 serves to generate and maintain a contact pressure between the female terminal and the connector housing by pressing the inner side of the connector housing in the state in which the female terminal 20 is inserted into the connector housing.

On the other hand, in the conventional connector female terminal 20 as described above, the crimping portion 23b is a portion connected to the energization portion 11 of the male terminal 10, and the crimping portion 23b is tensioned by the spring portion 23a. ), A force for pressing the energizing portion 11 of the male terminal 10, that is, a contact pressure is generated.

However, in the conventional female terminal 20 shown, heat is generated during energization due to the structure of providing tension only by the spring portion 23a and the structure of maintaining the contact pressure by the energization portion 23 alone by this tension. If there is a problem that the contact safety is weak.

That is, the tension of the spring portion 23a which acts elastically to generate the contact pressure may be reduced due to the heat generated when the high current is energized. In this way, when the internal spring tension is reduced, the male terminal 10 The contact pressure for pressing the energizing portion 11 may be weakened, resulting in a problem in that the coupling and conduction between the male terminal 10 and the female terminal 20 are poor.

Accordingly, an object of the present invention is to provide a connector female terminal having high coupling property and energizing stability as well as excellent insertion property when connecting to a male terminal.

In addition, the present invention is to provide a connector female terminal that can accommodate both a low current capacity and a high current capacity, and can be shared, standardized, and miniaturized without distinguishing the current capacity.

In order to achieve the above object, the present invention, in the connector female terminal comprising a terminal housing, a current-carrying portion fixed to the inside of the terminal housing, a barrel portion formed integrally with the current-carrying portion for crimping and fixing the electric wire; The connector female terminal further comprises an inner tension portion formed to extend inwardly from the housing and pressurize the energized portion toward the energized portion of the male terminal inserted into the terminal housing by elasticity.

In a preferred embodiment, the conductive part fixed inside the terminal housing is provided on both sides so that the conductive part of the male terminal is inserted between the both conductive parts, and the inner tension part is formed to extend inward from both sides of the terminal housing so that the outer side of the both conductive parts is provided. It is characterized in that the pressing at the same time.

The apparatus further includes an outer tension portion extending outward from the terminal housing to compress the connector housing by elasticity, the outer tension portion acting between the connector housing and the terminal housing, and the inner side acting between the terminal housing and the energizing portion. The tension portion is characterized by forming a double tension structure.

In addition, the inner tension portion is formed to be inclined outwardly after extending inclined inward to the outer bent portion is characterized in that the pressing of the inclined surface of the energization portion.

In addition, the conductive part fixed inside the terminal housing is formed in a branched structure is characterized in that it is connected to the conductive part of the male terminal in a multi-contact structure.

Accordingly, in the connector female terminal of the present invention, the terminal portion is formed by the double tension structure of the outer tension portion and the inner tension portion, and the additional tension action (double tension action of the energizing portion and the inner tension portion) to reinforce the self-tensioning action of the energizing portion. Excellent bonding and conduction stability of the liver can be secured, and the contact portion can be protected from the surrounding environment and influences such as vibration.

In addition, the female terminal of the present invention can realize the optimum contact pressure in the set insertion force range of the male terminal, as well as has the advantage of high efficiency that can accommodate a high current capacity even in a small size.

In addition, according to the female terminal of the present invention, various effects such as weight reduction, cost reduction, and space utilization through miniaturization can be provided, and the contact structure is improved by a multi-contact structure, thereby optimizing insertion force and contact pressure. As a result, the workability of the connector connection can be improved.

In addition, the multi-contact structure is a structure that can effectively dissipate heat generation, and provides an effect of suppressing the temperature rise.

1 is a cross-sectional view showing a conventional connector female terminal.
2 is a perspective view showing a connector female terminal according to an embodiment of the present invention.
3 is a front view of a connector female terminal according to an embodiment of the present invention.
4 is a cross-sectional view of a connector female terminal according to an embodiment of the present invention.
5 is a cross-sectional view illustrating a state in which a male terminal is coupled to a connector female terminal according to an exemplary embodiment of the present invention.
6 is a perspective view illustrating the overall configuration of the connector to which the connector female terminal according to the embodiment of the present invention is applied.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art can easily carry out the present invention.

2 is a perspective view showing a connector female terminal according to an embodiment of the present invention, Figure 3 is a front view of a connector female terminal according to an embodiment of the present invention.

4 is a cross-sectional view of a connector female terminal according to an exemplary embodiment of the present invention, and FIG. 5 is a cross-sectional view illustrating a male terminal coupled to a connector female terminal according to an exemplary embodiment of the present invention.

As shown, the connector female terminal 20 of the present invention is formed integrally with the terminal housing 21, the conducting portion 23, the conducting portion 23 of the conductive material is inserted into the terminal housing 21 is installed And a barrel portion 24 made of a conductor material for pressing and fixing the electric wire.

Here, the energizing portion 23 is symmetrical on both sides (that is, up and down in the drawing) so that the energizing portion of the male terminal can be pressed from the opposite side in the state where the energizing portion 11 of the male terminal 10 is inserted and connected. It is provided with a structure, and through this it is possible to ensure a stable contact pressure.

In addition, each energization portion 23 is formed in a structure that is bent in the center to provide a tension to exert an elastic force and the spring portion 23a and the number formed in the structure extending from the spring portion 23a inserted into the number It has the crimping | compression-bonding part 23b which crimp | bonds the electricity supply part 11 of the terminal 10. FIG.

At this time, the crimping portion 23b has a convex shape convex toward the center, and the crimping portion 23b of this structure is crimped at the same time on both sides of the energization portion 11 of the male terminal 10 inserted into the energized state. Will be maintained.

A copper alloy system having a high conductivity may be used as the material of the conductive part 23, but the material of the conductive part is not particularly limited in the present invention, but in order to accommodate a high current capacity, copper having a high conductivity may be used. Alloy based material is used.

That is, it is preferable to use a material having higher conductivity as the one used for high current capacity, and according to the application capacity, a known raw material alloy-based material (low alloyed copper, Coulson alloy type, etc.) having high conductivity, or, if necessary, It is possible to use higher conductivity copper alloy based materials with higher conductivity.

In addition, when the power supply part 11 of the male terminal 10 is inserted, the power supply part 23 is formed in a branched structure to improve the insertability, thereby forming a female terminal having a multi-contact structure.

For example, it is possible to form a female terminal having a six-contact structure by forming a current-carrying portion 23 in a branched structure as shown in FIG. 3, and when such a multi-contact structure is applied, an insertion force set for improving contact safety. This has the effect of being dispersed by the plurality of contacts.

In addition, the multi-contact structure has the effect of optimizing the contact area with the male terminal, and has the advantage of effectively dissipating heat generated by the contact resistance during energization.

Meanwhile, the terminal housing 21 is integrally formed with a structure in which a tension unit 22 that is pressed and coupled to the connector housing protrudes and extends outward, and the tension unit 22 is also provided on both sides of the terminal housing 21. It is formed in a symmetrical structure.

The tension part 22 compresses the inner surface of the connector housing (more specifically, the TPA inner surface, which will be described later) while the female terminal 20 is inserted into the connector housing, which is a contact pressure between the female terminal and the connector housing. It serves to generate and maintain, and provides a tension function that allows the female terminal of the present invention to be stably fixed to the connector housing.

In addition to the outer tension portion 22 coupled to the connector housing, the connector female terminal 20 of the present invention has a separate inner tension portion capable of simultaneously pressing inwardly the two energizing portions 23 of the branched structure. The main feature is that 25 is formed to extend inward from the terminal housing 21.

The inner tension portion 25 is also formed in both sides of the terminal housing 21 in a symmetrical structure, and is extended to the inside of the terminal housing 21 is a structure that simultaneously pressurizes the outer surface of the energizing portion 23 on both sides at the same time have.

In the preferred embodiment, the inner tension portion 25 is formed in a structure that is inclined inwardly from the side of the terminal housing 21 and then bent back to the outer side (outside) opposite to the opposite side, wherein the bending portion 25a that is bent outwardly ) Presses the inclined surface forming the crimping portion 23b of the energizing portion 23 from the outside to the inside.

The inner tension portion 25 is for reinforcing the tension function deterioration of the energization portion 23 due to heat generation during energization, and the energization portion 23 toward the energization portion 11 of the male terminal 10 by elasticity. It becomes a separate tension part in the terminal housing 21 to be pressed by pressing, and the inner tension part 25 provides an additional tension function in addition to the tension function retained by the energization part 23 itself.

Thus, in the female terminal of the present invention, the outer tension portion 22 that tensions between the terminal housing 21 and the connector housing, and the inner tension portion that tensions between the terminal housing 21 and the energization portion 23 ( 25 forms a double tension structure for stably supporting the central conducting portion 23.

Therefore, in the female terminal of the present invention, the double tension structure described above and the additional tension action (double tension action of the energizing portion and the inner tension portion) of the inner tension portion 25 reinforcing the self-tensioning action of the energizing portion 23. It is possible to ensure excellent coupling between the terminals and conduction stability.

In particular, the female terminal of the present invention can realize the optimum contact pressure in the insertion force range set to improve the insertability of the male terminal, as well as has the advantage of high efficiency that can accommodate a high current capacity even in a small size.

6 is a perspective view illustrating the overall configuration of the connector to which the connector female terminal is applied according to an embodiment of the present invention.

A female connector (1) and a male connector (2) are shown, and the terminal positioning member (TPA), which is a terminal positioning member, in each connector housing (3,4) of the female connector (1) and the male connector (2) ( The female terminal 20 and the male terminal 10 are inserted into and fixed to the connector housings 3 and 4 in a state in which the 5 and 6 are primarily assembled.

At this time, the female terminal 20 and the male terminal 10 in which the wires are crimped to the barrel portion are fastened to the respective connector housings 3 and 4, and then the TPA (5, Assemble 6) secondly and fix it completely so that the terminal does not come off.

Then, in order to fasten the female and male connectors, the female connector 1 is inserted into the male connector 2 so that the hook (not shown) inside the male connector 2 is caught by the catching jaw 3a of the female connector 1. It is assembled so that the male and female connectors are kept in a coupled state while the hook is caught on the locking jaw.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the scope of the present invention is not limited to the disclosed exemplary embodiments. Modified forms are also included within the scope of the present invention.

1: female connector 2: male connector
3, 4: connector housing 5, 6: TPA
10: male terminal 11: energized portion
20: female terminal 21: terminal housing
22: outer tension portion 23: energization portion
23a: spring portion 23b: crimping portion
24: barrel portion 25: inner tension portion

Claims (5)

In the connector female terminal comprising a terminal housing, a conductive portion fixed inside the terminal housing, a barrel portion integrally formed with the conductive portion to press-fix the electric wire,
And an inner tension portion extending inwardly from the terminal housing to press and press the conductive portion toward the conductive portion of the male terminal inserted into the terminal housing by elasticity.
The method according to claim 1,
The conductive part fixed inside the terminal housing is provided at both sides so that the conductive part of the male terminal is inserted between both conductive parts, and the inner tension part is formed to extend inward from both sides of the terminal housing to simultaneously press the outer surface of both conductive parts. Connector female terminal characterized in that.
The method according to claim 1,
An outer tension portion extending outward from the terminal housing and compressing the connector housing by elasticity, the outer tension portion acting between the connector housing and the terminal housing, and the inner tension acting between the terminal housing and the energizing portion; A connector female terminal comprising an additional double tension structure.
The method according to claim 1 or 2,
And the inner tension portion is formed to be inclined outwardly after being inclined inwardly so that the bent portion bent outwardly presses the inclined surface of the energization portion.
The method according to claim 1 or 2,
The connector female terminal, characterized in that the conductive part fixed inside the terminal housing is formed in a branched structure to be connected to the conductive part of the male terminal in a multi-contact structure.

KR1020120076333A 2012-07-12 2012-07-12 Connector terminal having improved insertion and joint stability KR20140008879A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020120076333A KR20140008879A (en) 2012-07-12 2012-07-12 Connector terminal having improved insertion and joint stability

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020120076333A KR20140008879A (en) 2012-07-12 2012-07-12 Connector terminal having improved insertion and joint stability

Publications (1)

Publication Number Publication Date
KR20140008879A true KR20140008879A (en) 2014-01-22

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160012094A (en) * 2014-07-23 2016-02-02 지이 라이팅 솔루션스, 엘엘씨 Terminal block with ground strap, spring force terminals, and screw lug terminal
CN109326910A (en) * 2017-07-31 2019-02-12 住友电装株式会社 Female end
KR101924456B1 (en) * 2017-09-20 2019-02-27 (주)우주일렉트로닉스 Connector apparatus for wire fixing
CN109560409A (en) * 2017-09-25 2019-04-02 广濑电机株式会社 Electric connector and terminal
KR20190071474A (en) * 2017-12-14 2019-06-24 현대자동차주식회사 Terminal structure for junction block
KR102085949B1 (en) * 2018-11-13 2020-03-06 주식회사 유라 Female terminal
CN110870143A (en) * 2017-07-11 2020-03-06 株式会社自动网络技术研究所 Terminal fitting
CN118589242A (en) * 2024-06-28 2024-09-03 东莞市信翰精密工业有限公司 High-speed Ethernet connector

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160012094A (en) * 2014-07-23 2016-02-02 지이 라이팅 솔루션스, 엘엘씨 Terminal block with ground strap, spring force terminals, and screw lug terminal
CN110870143A (en) * 2017-07-11 2020-03-06 株式会社自动网络技术研究所 Terminal fitting
CN110870143B (en) * 2017-07-11 2021-05-25 株式会社自动网络技术研究所 Terminal fitting
CN109326910A (en) * 2017-07-31 2019-02-12 住友电装株式会社 Female end
KR101924456B1 (en) * 2017-09-20 2019-02-27 (주)우주일렉트로닉스 Connector apparatus for wire fixing
CN109560409A (en) * 2017-09-25 2019-04-02 广濑电机株式会社 Electric connector and terminal
CN109560409B (en) * 2017-09-25 2021-07-27 广濑电机株式会社 Electric connector and terminal
KR20190071474A (en) * 2017-12-14 2019-06-24 현대자동차주식회사 Terminal structure for junction block
KR102085949B1 (en) * 2018-11-13 2020-03-06 주식회사 유라 Female terminal
CN118589242A (en) * 2024-06-28 2024-09-03 东莞市信翰精密工业有限公司 High-speed Ethernet connector

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