TWI426669B - Cable connector assembly and the manufacturing method thereof, contacts and carrier thereof - Google Patents

Description

Cable connector combination and manufacturing method thereof, conductive terminal and strip thereof

The present invention relates to a cable connector assembly, and more particularly to a terminal strip of a conductive terminal in a cable connector assembly and a method of manufacturing the terminal strip.

In order to adapt to the mechanization and high speed of modern electronic industry production, the conductive terminals currently used in electrical connectors are generally formed by stamping on a long strip of material. The strip of metal strip is usually stamped to form a conductive terminal, and a guide strip that can connect a plurality of terminals in place during press forming is produced.

In the above manufacturing method, approximately half of the terminal strips are used to form the conductive terminals, and the other half is used to connect the conductive terminals to facilitate the transportation of the conductive terminals and to realize the manufacturing and assembly of the guided belts, and the guiding strips for connecting the conductive terminals are When a single conductive terminal is required to be cut into scrap, the above manufacturing method greatly increases the manufacturing cost of the conductive terminal, and wastes the raw material for manufacturing the conductive terminal.

Therefore, it is necessary to provide an improved terminal strip and a method of manufacturing the same to overcome the aforementioned drawbacks of the aforementioned terminal strip and its method of manufacture.

It is an object of the present invention to provide a cable connector assembly that reduces the manufacturing cost of the conductive terminals.

To achieve the foregoing objective, the present invention adopts the following technical solution: a cable connector assembly including a conductive terminal and a cable connected to the conductive terminal, the cable including a conductor and an insulating outer layer covering the conductor, The conductive terminal includes a main body portion, a conductor clamping portion which is formed to extend rearward from the main body portion and is pressed against the conductor of the cable, and an insulating clamping portion extending rearward from the conductor clamping portion, the insulation of the conductive terminal The nip portion is formed by cutting the guide tape of the terminal tape.

The present invention also adopts another technical solution: a conductive terminal comprising an abutting portion, a first crimping portion and a second crimping portion, each crimping portion having a pair of crimped arms when crimped, the second pressure When the pair of arms of the joint portion are unfolded, an elongated strip-like structure is formed, which is formed by directly cutting off the guide tape of the terminal strip.

The present invention also employs another method of manufacturing a cable connector assembly: the manufacturing method includes the steps of: providing a terminal strip, which is a multi-row, multi-row structure, each of the terminal strips including a body portion, a crimping portion and a second crimping portion, wherein each of the strips is connected to each other by a second crimping portion of two adjacent terminals, the joint is formed with a first indentation, and each strip is separated by a strip The main body portion of the front and rear terminals and the second crimping portion are connected end to end, and the connecting portion is formed with a second indentation; the terminal strip is cut, and the first indentation and the second indentation are cut to obtain a single conductive a terminal; a conductive terminal and a cable, wherein the cable includes a conductor and an insulating outer layer covering the conductor, the first crimping portion is pressed against the conductor, and the second crimping portion is pressed against the insulating outer layer.

The invention also employs another terminal strip comprising a plurality of conductive terminals, the conductive terminal comprising a body portion, a first crimping portion for connecting to the cable conductor, and a second connecting portion for connecting to the cable insulating layer The crimping portion is directly connected between the adjacent terminals by the second crimping portion to serve as a guiding strip of the terminal strip.

Compared with the prior art, the conductive terminal in the cable connector combination of the present invention is replaced by a new terminal strip In the terminal strip, the terminal strips formed between the terminal strips formed in the front-rear direction and the left-right direction are formed by the structure of the conductive terminals themselves as guiding strips of each other, thereby reducing the additional molding guide. The waste generated by the belt reduces the manufacturing cost of the terminal strip of the molded conductive terminal.

100‧‧‧ cable connector combination

10‧‧‧Terminal tape

20,30‧‧‧Electrical terminals

201‧‧‧ Main body

202‧‧‧ Conductor clamping

203‧‧‧Insulated clamping part

204‧‧‧ barbed

205‧‧‧Protruding

31‧‧‧ first indentation

32‧‧‧second indentation

40‧‧‧ Cable

400‧‧‧ conductor

50‧‧‧Insulated body

60‧‧‧ card holding block

601‧‧‧ side slot

70‧‧‧Oval body

A, B, C, D, E‧‧ ‧ tape

The first figure is a perspective exploded view of the cable connector assembly of the present invention.

The second figure is a perspective view of the conductive terminals in the cable connector assembly of the present invention.

The third figure is a structural schematic diagram of the conductive terminals in the cable connector combination of the present invention being crimped to the cable.

The fourth figure is a schematic view of the material structure of the conductive terminals in the cable connector combination of the present invention.

Referring to the first figure, the cable connector assembly 100 of the present invention includes conductive terminals 20, 30, cables 40, an insulative housing 50 covering the conductive terminals 20, 30 and the cable 40, and assembled to the insulative housing 50. The assembled conductive terminals 20, 30 and the cable 40 are fastened to the holding block 60 in the insulative housing 50.

Referring to the third figure, the terminal strip 10 of the present invention forms a conductive terminal 20 on the terminal strip 10 by a press forming step, and the conductive terminal 20 includes a main body portion 201 (abutting portion) from the main body portion. a conductor holding portion 202 (first crimping portion) formed to extend rearward, and an insulating nip portion 203 (second crimping portion) extending rearward from the conductor holding portion 202, the insulating nip portion 203 A protruding portion 205 is formed extending rearward from the intermediate portion, and the main body portion 201 is provided with a barb 204 for fixing the conductive terminal 20 to a connector body (not shown).

In the press forming process, the terminal strip 10 shown in the third figure may comprise a plurality of different strips, which are multi-row multi-row structures, and the terminal strips 10 comprise two rows of strips A and B arranged in the front-rear direction, respectively. Or it can be seen as three rows of strips C, D, E arranged in the transverse direction. Stamping on the two rows of strips A and B, respectively A plurality of conductive terminals 20, 30 are formed. The structure of the conductive terminals 30 is identical to the structure of the conductive terminals 20. The insulating clamping portions 203, 303 of the conductive terminals 20, 30 on the same tape C are connected to each other to serve as a tape C. Guide belt. In the present invention, the conductive terminal 20 is taken as an example. In this case, the conductive terminal 20 is further connected to the protruding portion 205 of the conductive terminal at the front side thereof in the front-rear direction to form the tape B in the longitudinal direction thereof. The time projection 205 acts as a guiding strip for the tape B.

After the stamping is completed, the stamping forms adjacent conductive terminals 20, 30 connected to each other, and a first indentation 31 and a second indentation 32 are formed between each other along the first indentation 31 and the second The bending of the indentation 32 facilitates the separation of the conductive terminals 20, 30 from each other.

Referring to the second figure, for example, the conductive terminal 20 after the bending is separated, the conductor clamping portion 202 of the conductive terminal 20 is respectively pressed with the conductor 400 of the corresponding cable 40 to reach the conductive terminal 20 and The electrical connection between the cables 40 and the insulating clamping portion 203 of the conductive terminals are crimped to the insulating outer layer of the cable 40. The assembled conductive terminal 20 and the cable 40 are assembled into the insulative housing 50, and the assembled conductive terminal 20 and the cable 40 are clamped to the holding block by the holding of the holding block 60. In the side slot 601 of the 60, the front end of the cable connector assembly 100 is further provided with an elliptical body 70. The cable connector assembly 100 is exemplified by a Christmas light. The elliptical body 70 is mounted with An illuminant (not shown), the elliptical body 70 is assembled into the insulative housing 50 together with the illuminant (not shown), and the illuminant (not shown) is rearward The end is electrically connected to the main body portion 201 of the conductive terminal.

The cable connector assembly obtained in the foregoing mainly relates to the following manufacturing steps: First step: providing a terminal strip, which is a multi-row multi-column structure, each terminal of the terminal strip includes a main body portion, a first pressure The connecting portion and the second crimping portion are connected to each other by a second crimping portion of two adjacent terminals, and the connecting portion is formed with a first indentation, and each of the strips is separated by two The main body portion of the terminal and the second crimping portion are connected end to end, and the connecting portion is formed with a second indentation; the second step: cutting the terminal strip by cutting the first indentation and the second indentation to obtain Single conductive terminal; third step: even And connecting the conductive terminal and the cable, the cable includes a conductor and an insulating outer layer covering the conductor, the first crimping portion is pressed against the conductor, and the second crimping portion is pressed against the insulating outer layer.

In the present invention, due to the particularity of the structure of the conductive terminals 20, 30 formed by the terminal strip 10, during the stamping process, the insulating holding portions 203, 303 of the conductive terminals 20, 30 are connected to each other to form a strip C in which the terminals are arranged in the lateral direction. , D, E, the conductive terminal 20 and the conductive terminal 30 are respectively connected end to end in the front-rear direction to form the strip A and the strip B. In the present invention, since the strips A, B, C, D, E are all by the conductive terminal itself The structure acts as a guiding belt, so that the waste generated by the additional forming guide belt is reduced, and the manufacturing cost of the terminal strip for forming the conductive terminal can be reduced, which meets the requirements of modern production.

In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. However, the above description is only the preferred embodiment of the present invention, and the scope of the present invention is not limited to the foregoing embodiments, and those skilled in the art will be able to make equivalent modifications or variations in accordance with the spirit of the present invention. It should be covered by the following patent application.

10‧‧‧Terminal tape

20‧‧‧Electrical terminals

201‧‧‧ Main body

205‧‧‧Protruding

30‧‧‧Electrical terminals

203,303‧‧‧Insulated clamping part

31‧‧‧ first indentation

32‧‧‧second indentation

A, B, C, D, E‧‧ ‧ tape

Claims (7)

A cable connector assembly comprising: a conductive terminal; a cable connected to the conductive terminal, the cable comprising a conductor and an insulating outer layer covering the conductor, the conductive terminal comprising a body portion, rearward from the body portion a conductor clamping portion that is formed to be pressed against the conductor of the cable and an insulating clamping portion that extends rearward from the conductor clamping portion, and the insulating clamping portion of the conductive terminal is cut by the terminal material The guide tape is formed by a belt, and the conductive terminal further includes a protrusion formed to extend rearward from an intermediate portion of the insulating nip, the protrusion being formed by cutting the terminal strip. A conductive terminal includes an abutting portion, a first crimping portion and a second crimping portion, each crimping portion having a pair of arms that are crimped when crimped, and a pair of arms of the second crimping portion are unfolded Forming a longitudinal strip-like structure formed by directly cutting off the guiding strip of the terminal strip, the conductive terminal further comprising extending rearward from the intermediate portion of the second crimping portion A protruding portion is formed which is shaped by cutting the terminal strip. A manufacturing method of a cable connector assembly, comprising the steps of: providing a terminal strip, which is a multi-row multi-column structure, each of the terminal strips comprising a main body portion, a first crimping portion and a second pressing portion a connecting portion, wherein each of the strips is connected to each other by a second crimping portion of two adjacent terminals, wherein the connecting portion is formed with a first indentation, and each of the strips is separated by a main body of the front and rear terminals a second crimping portion is connected end to end, the connecting portion is formed with a second indentation; the terminal strip is cut, the first indentation and the second indentation are cut to obtain a single conductive terminal; and the conductive terminal and the cable are connected The cable includes a conductor and an insulating outer layer covering the conductor, The first crimping portion is pressed against the conductor, and the second crimping portion is pressed against the insulating outer layer. The method of manufacturing a cable connector assembly according to claim 3, wherein in the step of providing a terminal strip, each of the terminals further includes a protrusion extending rearward from the second crimping portion, each of The connection between the discharge belts is connected end to end by connecting the main body portion of the front terminal to the protruding portion of the rear terminal. A terminal strip comprising: a plurality of conductive terminals, the conductive terminal comprising a body portion, a first crimping portion for connecting to the cable conductor, and a second crimping portion for connecting to the cable insulating layer The adjacent terminals are directly connected by the second crimping portion to serve as a guiding strip of the terminal strip, and the conductive terminal further includes a protruding portion formed to extend rearward from the second crimping portion, the terminal strip is more The multi-column structure is arranged, and each of the strips is connected by a second crimping portion of the terminal, and each of the strips is connected by a main body portion of the front and rear terminals and a protruding portion. The terminal strip of claim 5, wherein the main portion of the conductive terminal at the rear end and the protruding portion of the conductive terminal at the front end are formed with an indentation that can break the conductive terminal. The terminal strip of claim 6, wherein the second crimping portion between the adjacent terminals is formed with an indentation that can break the conductive terminals apart.