CN219163734U

CN219163734U - Conductive terminal and connector using same

Info

Publication number: CN219163734U
Application number: CN202221725243.8U
Authority: CN
Inventors: 顾钙琳; 张俊东; 李刘生; 韩见强; 郭辉; 李�昊; 周锦昌; 张金源; 贺妍
Original assignee: China Aviation Optical Electrical Technology Co Ltd
Current assignee: China Aviation Optical Electrical Technology Co Ltd
Priority date: 2022-07-06
Filing date: 2022-07-06
Publication date: 2023-06-09
Anticipated expiration: 2032-07-06

Abstract

The application relates to a conductive terminal, including conductive shell and the tube-shape casing that is located conductive shell, be equipped with the termination casing that is used for being connected with conductive component on the conductive shell, be equipped with a plurality of elastic arms on the tube-shape casing, be equipped with a plurality of first contact portions that are used for with conductive shell inner wall elasticity electric contact and a plurality of second contact portions that are used for with the contact of the adaptation contact member of adaptation connector. The conductive terminal contacts are large in number, and the current-carrying and temperature-rising requirements of products can be met. In addition, the application also discloses a connector comprising the conductive terminal.

Description

Conductive terminal and connector using same

Technical Field

The present utility model relates to the field of connectors, and more particularly, to a conductive terminal and a connector using the same.

Background

In the electrical connector industry, conductive terminals have been the most important parts of the connector, directly related to the reliability of the connector connection performance. Most of round conductive terminals used at the present stage are bar stock machine parts, so that the cost is high, the production efficiency is low, and the plugging force is large, and therefore, the product requirements of customers cannot be met well.

Most of the existing round conductive terminals are bar stock machine parts, and have the advantages of high cost, low production efficiency and large plugging force; the part of the round conductive terminal is formed by stamping and rolling a thicker material belt, but the number of the conductive terminal contacts is small due to the influence of the thickness of the conductive terminal material, so that the current-carrying temperature rise requirement of a product is difficult to meet.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model provides the conductive terminal and the connector using the conductive terminal, which have the advantages of simple processing technology, low cost and a large number of conductive terminal contacts, and can meet the current-carrying temperature rise requirement of products.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a conductive terminal, includes conductive shell and is located conductive shell's tubular shell, be equipped with the termination casing that is used for being connected with conductive component on the conductive shell, be equipped with a plurality of elastic arms on the tubular shell, be equipped with a plurality of first contact portions that are used for with conductive shell inner wall elasticity electric contact and a plurality of second contact portions that are used for with the contact of the adaptation contact member of adaptation connector. This application is used for contacting electrically conductive second contact portion with the adaptation contact member of adaptation connector through setting up a plurality of for conductive terminal is many with adaptation contact member contact point quantity, satisfies the current-carrying temperature rise requirement of product, and with low costs, assembly and production efficiency are high.

Further, the elastic arms are alternately arranged at intervals around the circumferential direction of the cylindrical housing, and the elastic arms extend a predetermined length in the axial direction of the cylindrical housing.

Further, the first contact part is in an arc shape protruding outwards along the radial direction of the cylindrical shell, and the second conductive protruding part is in an arc shape protruding inwards along the radial direction of the cylindrical shell.

Further, the first contact portion is in point contact with the inner wall of the conductive shell, and the second contact portion is in point contact with the fitting contact piece of the fitting connector.

Further, at least two second contact portions are provided between two adjacent first contact portions.

Further, two first contact portions are arranged near two ends of the elastic arm, a first non-contact portion is arranged between the first contact portions and the end portions of the elastic arm, a second non-contact portion is arranged between the two second contact portions on the elastic arm, the lengths of the first non-contact portion and the second non-contact portion are respectively larger than those of the first contact portion and the second contact portion, and the widths of the first non-contact portion and the second non-contact portion are respectively smaller than those of the first contact portion and the second contact portion. By arranging the lengths of the first non-contact part and the second non-contact part to be respectively larger than those of the first contact part and the second contact part, the volume resistance of the conductive terminal is greatly reduced, and the performance requirement of a product is met; the widths of the first non-contact part and the second non-contact part are respectively smaller than those of the first contact part and the second contact part, so that the volume resistance of the conductive terminal is reduced on one hand, the stress concentration in the plugging process is reduced on the other hand, and meanwhile, the plugging process of the conductive terminal is softer.

Further, the inner wall of the conductive shell is provided with a groove, and the first contact part is in point contact with the inner wall of the groove. Through setting up the recess for in the elastic arm can block into the recess, avoid the tubular casing to drop in from electrically conductive casing, improved the stability that tubular casing and electrically conductive casing are connected.

Further, the thickness of the conductive housing is different from the thickness of the termination housing.

Further, the conductive shell is sleeved and rolled by the first plate.

Further, one end of the first plate is provided with at least one dovetail groove, and one end of the first plate, which is away from the dovetail groove, is provided with a dovetail protrusion matched with the dovetail groove, wherein the dovetail groove is matched with the dovetail groove when the first plate is rolled into a sleeve shape. By arranging the dovetail groove and the dovetail protrusion, the conductive shell is prevented from being stressed to be opened, and the stability of connection is improved.

Further, the termination housing is rolled from a second plate body, which is rectangular or dove-tail shaped.

A connector comprising the conductive terminal of any one of the preceding aspects.

As a preferred scheme of the connector, the conductive shell is provided with an elastic bulge, and the adapting connector is provided with a positioning groove matched with the elastic bulge.

Drawings

FIG. 1 is a schematic structural diagram of embodiment 1 of the present utility model;

FIG. 2 is an expanded view of FIG. 1;

FIG. 3 is a schematic view of a cylindrical housing according to the present utility model;

FIG. 4 is a schematic view of the structure of the elastic arm of the present utility model;

FIG. 5 is a schematic view of the elastic arm of the cylindrical housing of the present utility model in use;

FIG. 6 is a schematic structural diagram of embodiment 2 of the present utility model;

FIG. 7 is an expanded view of FIG. 6;

fig. 8 is a bottom view of fig. 7.

Fig. 9 is a schematic structural view of embodiment 3 of the present utility model.

The marks in the figure: 1. conductive housing, 11, groove, 12, elastic protrusion, 2, tubular housing, 21, elastic arm, 211, first contact portion, 212, second contact portion, 213, first non-contact portion, 214, second non-contact portion, 3, terminating housing, 4, pin.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that in the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1-5, embodiment 1 of the present utility model provides a conductive terminal, which includes a conductive housing 1 and a cylindrical housing 2 located in the conductive housing 1, wherein a terminating housing 3 for connecting with a conductive component is provided on the conductive housing 1, the conductive component is a wire or other external parts, the cylindrical housing 2 and the terminating housing 3 are located at two ends of the conductive housing 1, a plurality of elastic arms 21 are provided on the cylindrical housing 2, a plurality of first contact portions 211 for elastically and electrically contacting an inner wall of the conductive housing 1 and a plurality of second contact portions 212 for contacting and electrically conducting with an adapting contact of an adapting connector, and the adapting contact is a pin 4 are provided on the elastic arms 21.

As shown in fig. 1 to 4, the elastic arms 21 are alternately and alternately arranged around the circumferential direction of the cylindrical housing 2, the elastic arms 21 extend for a predetermined length along the axial direction of the cylindrical housing 2, a gap is provided between two adjacent elastic arms 21, the first contact portion 211 is in an arc shape protruding radially outwards along the cylindrical housing 2, the second conductive protruding portion is in an arc shape protruding radially inwards along the cylindrical housing 2, the first contact portion 211 is in point contact with the inner wall of the conductive housing 1, and the second contact portion 212 is in point contact with an adapting contact piece of the adapting connector.

Specifically, as shown in fig. 4 and fig. 5, the elastic arm 21 is in a wave shape, the elastic arm 21 includes a plurality of peak segments and a plurality of trough segments, the first contact portion 211 is a peak segment, the second contact portion 212 is a trough segment, at least two second contact portions 212 are arranged between two adjacent first contact portions 211, two first contact portions 211 are arranged near two ends of the elastic arm 21, a first non-contact portion 213 is arranged on the elastic arm 21 between the first contact portions 211 and the end portions of the elastic arm 21, a second non-contact portion 214 is arranged on the elastic arm 21 between the two second contact portions 212, and the lengths of the first non-contact portion 213 and the second non-contact portion 214 are respectively greater than those of the first contact portions 211 and the second contact portions 212, so that the volume resistance of the conductive terminal is greatly reduced, and the performance requirement of the product is met; the widths of the first non-contact portion 213 and the second non-contact portion 214 are smaller than those of the first contact portion 211 and the second contact portion 212, respectively, so that on one hand, the volume resistance of the conductive terminal is reduced, and on the other hand, stress concentration in the plugging process is reduced, and meanwhile, the plugging process of the conductive terminal is softer.

More specifically, as shown in fig. 1 and 2, the inner wall of the conductive housing 1 is provided with a groove 11, in fig. 1, the groove 11 is annular, in fig. 2, the groove 11 is rectangular, the first contact portion 211 is in point contact with the inner wall of the groove 11, the length of the cylindrical housing 2 is greater than the width of the groove 11, one end of the cylindrical housing 2 is flush with one end of the conductive housing 1, which is away from the terminating housing 3, and by providing the groove, the elastic arm 21 can be clamped into the groove 11, so that the cylindrical housing 2 is prevented from falling off from the conductive housing 3, and the connection stability of the cylindrical housing 2 and the conductive housing 3 is improved.

In addition, the conductive shell 1 and the terminating shell 3 are made of copper materials, the connecting mode of the terminating shell 3 and the wires is crimping, ultrasonic welding or bolting, the thickness of the conductive shell 1 is different from that of the terminating shell 3, specifically, the thickness of the conductive shell 1 is larger than that of the terminating shell 3, the conductive shell 1 and the terminating shell 3 are integrally made, the conductive shell 1 is sleeve-shaped and is formed by rolling a first plate, the first plate is rectangular, the terminating shell 3 is formed by rolling a second plate, the second plate is rectangular, and the fact that the non-detailed part of the application is the prior art is required.

The conductive shell 1 is formed by machining or stamping and rolling a first plate, and the cylindrical shell 2 is assembled and fixed in the conductive shell 1 after stamping and rolling a second plate; alternatively, after the second plate is fixed to the first plate by welding, the cylindrical housing 2 is secured within the conductive housing 1 when the second plate is rolled together.

The application is used for contacting conductive second contact portion 212 with the adaptation contact piece of the adaptation connector through setting up a plurality of, for conductive terminal is many with adaptation contact piece contact point quantity, satisfies the current-carrying temperature rise requirement of product, and with low costs, assembly and production efficiency are high.

Of course, the utility model is not limited to the embodiments described above, but several other embodiments based on the design concept of the utility model are provided below.

For example, in example 2, unlike the above-described embodiment, as shown in fig. 6 to 8, the conductive housing 1 is integrally formed with the terminal housing 3, and the terminal housing 3 is rolled from a second plate body having a dovetail shape.

For example, in embodiment 3, unlike the above-described embodiment, as shown in fig. 9, one end of the first plate is provided with at least one dovetail groove, and one end of the first plate facing away from the dovetail groove is provided with a dovetail protrusion matching with the dovetail groove, where the dovetail groove matches with the dovetail groove when the first plate is rolled into the sleeve to form the conductive housing 1, and by providing the dovetail groove and the dovetail protrusion, the conductive housing is prevented from being forced to open.

The present application provides a specific embodiment of a connector: in this embodiment, a connector includes any one of the conductive terminals provided in the foregoing conductive terminal embodiment, and reference may be made to a specific embodiment of the conductive terminal, where, as shown in fig. 9, an elastic protrusion 12 is provided on the conductive housing 1, a positioning groove matched with the elastic protrusion 12 is provided on the adapting connector, and the elastic protrusion 12 is matched with the positioning groove, so as to limit the conductive terminal, and ensure stability of connection.

It should be noted that the above embodiments are only for illustrating the present utility model, but the present utility model is not limited to the above embodiments, and any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model falls within the protection scope of the present utility model.

Claims

1. The utility model provides a conductive terminal, its characterized in that includes conductive housing (1) and is located conductive housing (1) tubular housing (2), be equipped with on conductive housing (1) and be used for the termination casing (3) of being connected with conductive component, be equipped with a plurality of elastic arms (21) on tubular housing (2), be equipped with a plurality of first contact portions (211) that are used for with conductive housing (1) inner wall elasticity electric contact and a plurality of second contact portions (212) that are used for with the contact of the adaptation contact piece of adaptation connector.

2. A conductive terminal according to claim 1, wherein: the elastic arms (21) are alternately arranged at intervals around the circumferential direction of the cylindrical housing (2), and the elastic arms (21) extend for a predetermined length in the axial direction of the cylindrical housing (2).

3. A conductive terminal according to claim 2, wherein: the first contact part (211) is in an arc shape protruding outwards along the radial direction of the cylindrical shell (2), and the second conductive protruding part is in an arc shape protruding inwards along the radial direction of the cylindrical shell (2).

4. A conductive terminal according to claim 3, wherein: the first contact part (211) is in point contact with the inner wall of the conductive shell (1), and the second contact part (212) is in point contact with an adapting contact piece of the adapting connector.

5. A conductive terminal according to claim 3 or 4, wherein: at least two second contact portions (212) are arranged between two adjacent first contact portions (211).

6. A conductive terminal according to claim 5, wherein: two first contact portions (211) are arranged near two ends of the elastic arm (21), a first non-contact portion (213) is arranged between the first contact portions (211) and the end portions of the elastic arm (21) on the elastic arm (21), a second non-contact portion (214) is arranged between the two second contact portions (212) on the elastic arm (21), the lengths of the first non-contact portion (213) and the second non-contact portion (214) are respectively larger than those of the first contact portions (211) and the second contact portions (212), and the widths of the first non-contact portion (213) and the second non-contact portion (214) are respectively smaller than those of the first contact portions (211) and the second contact portions (212).

7. A conductive terminal according to claim 6, wherein: the inner wall of the conductive shell (1) is provided with a groove (11), and the first contact part (211) is in point contact with the inner wall of the groove (11).

8. A conductive terminal according to claim 7, wherein: the thickness of the conductive housing (1) is different from the thickness of the terminating housing (3).

9. A conductive terminal according to claim 8, wherein: the conductive shell (1) is sleeve-shaped and is rolled by a first plate.

10. A conductive terminal according to claim 9, wherein: one end of the first plate is provided with at least one dovetail groove, and one end of the first plate, which is away from the dovetail groove, is provided with a dovetail protrusion matched with the dovetail groove, wherein the dovetail groove is matched with the dovetail groove when the first plate is rolled into a complete set.

11. An electrically conductive terminal as claimed in any one of claims 8 to 10, wherein: the terminating shell (3) is formed by rolling a second plate body, and the second plate body is rectangular or dovetail-shaped.

12. A connector comprising the conductive terminal according to any one of claims 1 to 11.

13. A connector as defined in claim 12, wherein: an elastic bulge (12) is arranged on the conductive shell (1), and a positioning groove matched with the elastic bulge (12) is arranged on the adapting connector.