JP3235510U - Piercing electric connector and jig for joining electric connector and cable - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a piercing type electric connector which can withstand a force in a vertical direction and a horizontal direction when a piercing terminal and a cable are joined, and a jig for joining the electric connector and the cable. An insulating base 10 and a terminal assembly 20 are included, the insulating base includes a first accommodating portion 11 and a second accommodating portion 12, one end of a cable C is installed in the second accommodating portion, and the cable is a conductive core wire. And an insulating layer covering the core wire. The terminal assembly includes a butt terminal 21 installed in the first housing and a piercing terminal 22 installed in the second housing and electrically connected to the butt terminal, the piercing terminal being electrically connected to the cable. The butt terminal is electrically connected to the terminal of the electric connector on the other side. The piercing terminal includes a blade portion that pierces the insulating layer and is electrically connected to the core wire, and the distance between the blade portion and the mounting surface on which the cable of the second accommodating portion is mounted is larger than 90 degrees and smaller than 180 degrees. It has a first angle. The piercing electric connector and the cable are electrically connected by the joining jig 40. [Selection diagram] Fig. 1

Description

The present invention relates to the technical field of assembling piercing terminals of electric connectors, and in particular, piercing electric connectors and electric connectors that can withstand vertical and horizontal forces when the piercing terminal and the cable are joined because the piercing terminal has an inclination angle. Regarding jigs for joining with cables.

The piercing type terminal of the conventional piercing type electric connector directly pierces the insulating coating layer of the core wire of the cable and makes contact with the conductor in the core wire to form an electrical connection. Such an assembly method is very quick, eliminating the process of stripping the insulation coating layer of the core wire, eliminating the need to weld cables and terminals, saving work time and at the same time reducing product manufacturing costs. .. However, in general, the cable is hard and difficult to bend, and the blade part of the piercing type terminal is upright, so when the cable and the blade part of the piercing type terminal are crimped, the blade part receives force in the vertical and horizontal directions. If this is not possible, the cable may separate from the piercing terminal under the action of an external force, causing the problem of interruption of signal transmission.

An embodiment of the present invention provides a piercing electrical connector, the tilt angle between the piercing terminal and the mounting surface, which allows the piercing terminal to receive vertical and horizontal forces. Even when the cable is under the influence of external force, the piercing terminal can still maintain an electrical connection with the core of the cable, and the piercing terminal of a conventional electrical connector cannot receive horizontal and vertical forces. In addition, the problem that the core wire of the cable is separated from the piercing terminal and the signal is interrupted is solved.

In order to solve the above technical problems, the present invention is implemented as follows.

An piercing electrical connector according to an embodiment of the present invention, which includes an insulating base and a terminal assembly. The insulating base includes a first accommodating portion and a second accommodating portion, one end of the cable is installed in the second accommodating portion, and the cable includes a conductive core wire and an insulating layer covering the core wire. The terminal assembly includes a butt terminal installed in the first housing and a piercing terminal installed in the second housing and electrically connected to the butt terminal, the piercing terminal is electrically connected to the cable, and the butt terminal is It is electrically connected to the terminal of the electrical connector on the other side. The piercing terminal includes a blade portion that pierces the insulating layer and is electrically connected to the core wire, and the distance between the blade portion and the mounting surface on which the cable of the second accommodating portion is mounted is larger than 90 degrees and smaller than 180 degrees. It has a first angle.

In one embodiment thereof, an engaging assembly that further engages the cable to the insulating base is included, the engaging assembly comprises a crimping member that intersects the extending direction of the cable, and the crimping member is connected to the base and the base. The crimped portion includes a bent portion and a crimped portion connected to the bent portion, the crimped portion is crimped to the insulating layer of the cable, and the bent portion and the base have a second angle smaller than 180 degrees, and the crimped portion and the bent portion are formed. The space has a third angle smaller than 180 degrees.

In one of the embodiments, the engaging assembly further comprises a mounting member that mounts a surface away from the second containing portion of the insulation base, the crimping member being connected to the mounting member and in the second containing portion. Stretch toward.

In one of the embodiments, the terminal assembly further comprises a connecting member connecting the butt terminal and the piercing terminal, the connecting member extending along the mounting surface of the second accommodating portion, with the blade portion and the connecting member. The interval has a fourth angle greater than 90 degrees.

In one of the embodiments, the fourth angle is equal to the first angle.

In one of the embodiments, the piercing terminal comprises a pair of blades, the cable is a coaxial cable, the core of the cable is installed between the pair of blades, and is electrically connected to the pair of blades. Ru.

The present invention also provides a jig for joining an electric connector and a cable, thereby electrically connecting the piercing electric connector and the cable, and including a jig body and a cable joining structure provided in the jig body. , The cable joint structure includes a pressing edge and a pressing protrusion provided on the pressing edge, the pressing protrusion projecting from the pressing edge, and the pressing convex on the blade of the piercing terminal of the piercing electrical connector. It is characterized by facing each other.

In one of these embodiments, the cable junction structure further comprises a positioning edge that is connected to the abutment edge and is provided on both opposite sides of the abutment edge, and the cable junction structure is a abutment edge and a positioning end. It is a recess formed by connecting the edges, the piercing electric connector and the cable are housed in the recess, the positioning edge is abutted on both opposite sides of the piercing electric connector, and the pressing protrusion is the insulation of the cable. It is pressed against the layer and comes into contact with it, and has a first angle between the blade portion and the mounting surface.

In one of these embodiments, the cable junction structure further comprises a pair of flared edges connected to a pair of positioning edges, and the distance between the pair of flared edges is from the connection between it and the positioning edges. Gradually increase.

In one of these embodiments, the pressing protrusion is located in the center of the pressing edge.

In the present invention, by providing a piercing terminal that exhibits an inclined shape, the piercing terminal has elasticity in the horizontal and vertical directions and can receive a force, and even if the cable receives an external force, the piercing terminal becomes a core wire. It is possible to prevent signal interruption without separating from the core wire by moving only slightly, and the problem that the core wire in the prior art is easily separated from the piercing terminal by an external force and causes signal interruption is solved.

The drawings described herein are used to provide a further understanding of the present invention and form part of the present invention, and exemplary examples of the present invention and their descriptions are used to illustrate the present invention. , The present invention is not unreasonably limited.
FIG. 1 is a perspective view of a piercing electric connector and a jig for joining an electric connector and a cable according to the first embodiment of the present invention. FIG. 2 is a top view of the piercing type electric connector of FIG. FIG. 3 is a cross-sectional view taken along the line BB of FIG. FIG. 4 is an exploded perspective view of the piercing type electric connector of FIG. FIG. 5 is a side view of FIG. FIG. 6 is a perspective view of the jig for joining the electric connector of FIG. 1 and the cable. FIG. 7 is a front view of the jig for joining the electric connector of FIG. 6 and the cable. FIG. 8 is a top view of the jig used for joining the electric connector of FIG. 1 and the cable when crimping the cable to the electric connector. FIG. 9 is a cross-sectional view taken along the line CC of FIG. FIG. 10 is a perspective view of a piercing type electric connector according to a second embodiment of the present invention. 11 is a top view of the piercing electronic connector of FIG. 10. FIG. FIG. 12 is a cross-sectional view taken along the line DD of FIG. FIG. 13 is a cross-sectional view taken along the line EE of FIG. FIG. 14 is a perspective view of a piercing type electric connector according to a third embodiment of the present invention. FIG. 15 is a top view of the piercing electric connector of FIG. FIG. 16 is a cross-sectional view taken along the line FF of FIG.

Hereinafter, the technical solutions in the embodiments of the present invention will be described in an easy-to-understand and complete manner by combining the drawings in the embodiments of the present invention, but as a clear point, the illustrated examples are the embodiments of the present invention. Only some, not all examples. All other examples obtained by those skilled in the art based on the embodiments of the present invention without the need for creative effort are all within the scope of the present invention.

1, FIG. 2, FIG. 3, FIG. 4, and FIG. 5, of which FIG. 1 is a perspective view of a piercing electric connector and a joining jig between the electric connector and a cable according to the first embodiment of the present invention. 2 is a top view of the piercing electric connector of FIG. 1, FIG. 3 is a cross-sectional view taken along line BB of FIG. 2, and FIG. 4 is an exploded perspective view of the piercing electric connector of FIG. Yes, FIG. 5 is a side view of FIG. As shown in the figure, the piercing electrical connector of this embodiment includes an insulating base 10 and a terminal assembly 20.

The insulating base 10 includes a first accommodating portion 11 and a second accommodating portion 12, and a partition wall 13 is provided between the first accommodating portion 11 and the second accommodating portion 12. The terminal assembly 20 includes a butt terminal 21 provided in the first accommodating portion 11 and a piercing terminal 22 provided in the second accommodating portion 12 and electrically connected to the butt terminal 21. The terminal assembly 20 and the insulating base 10 are fixed and held to the partition wall 13 of the insulating base 10 by an in-mold injection molding method, and at the same time, the butt terminal 21 is positioned on the first accommodating portion 11 and the piercing terminal 22 is placed on the first accommodation portion 22. 2 Positioning is performed in the accommodating portion 12.

One end of the cable C is installed in the second accommodating portion 12, and the cable C includes a conductive core wire C1 and an insulating layer C2 covering the core wire C1. As shown in FIGS. 3, 4, and 5, the piercing terminal 22 pierces the insulating layer C2, enters the insulating layer C2, and serves to contact and electrically connect the conductive core wire C1. The butt terminal 21 is electrically connected to the terminal of the electric connector on the other side. The piercing terminal 22 includes a blade portion 221 that pierces the insulating layer C2 and is electrically connected to the core wire C1, and is 90 between the blade portion 221 and the mounting surface 121 on which the cable C of the second accommodating portion 12 is placed. It has a first angle θ1 that is greater than and less than 180 degrees, and the blade portion 221 is inclined with respect to the mounting surface 121.

In this embodiment, the first angle θ1 is 115 degrees as an example, but this does not limit the practice of the present invention.

The terminal assembly 20 further includes a connecting member 23 that connects the butt terminal 21 and the piercing terminal 22, and the connecting member 23 extends along the mounting surface 121 of the second accommodating portion 12 to join the blade portion 221 and the connecting member 23. Between have a fourth angle θ4 greater than 90 degrees. Since the connecting member 23 is provided in parallel with and in contact with the mounting surface 121, the fourth angle θ4 between the blade portion 221 and the connecting member 23 is the first between the blade portion 221 and the mounting surface 121. It is the same size as the angle θ1.

As shown in FIGS. 1 and 5, the piercing electrical connector of this embodiment further includes an engaging assembly 30 that engages the cable C with the insulating base 10, which intersects the extending direction of the cable C. The crimping member 31 is included.

The engagement assembly 30 further includes a mounting member 32 on which the surface 14 away from the second accommodating portion 12 of the insulating base 10 is mounted, the crimping member 31 is connected to the mounting member 32 and to the second accommodating portion 12. Stretch toward.

The surface 14 of the bottom of the insulating base 10 is provided on the mounting member 32, and the crimping member 31 extends upward from the opposite edges of the mounting member 32 so that the insulating base 10 can be placed on both sides of the mounting member 32. It is sandwiched between the crimping members 31 of the above, and the crimping member 31 restricts the movement of the insulating base 10. After bending, the crimping member 31 is in horizontal contact with the side wall constituting the second accommodating portion 12 of the insulating base 10 and is crimped to the insulating layer C2 of the cable C located in the second accommodating portion 12 in the vertical direction. The movement of the insulating base 10 to is restricted, and at the same time, the cable C is positioned in the second accommodating portion 12.

With reference to FIGS. 6 and 7, FIG. 6 is a perspective view of the jig for joining the electric connector and the cable of FIG. 1, and FIG. 7 is the front surface of the jig for joining the electric connector and the cable of FIG. It is a figure. The jig 40 includes a jig main body 41 and a cable joining structure 42 provided on the jig main body 41. The jig main body 41 of this embodiment has a rectangular plate shape, and the cable joining structure 42 is provided on one edge of the jig main body 41.

The cable joining structure 42 includes a pressing end edge 421 and a pressing convex portion 422 provided on the pressing end edge 421, the pressing convex portion 422 protruding from the pressing end edge 421, and the pressing convex portion 422 of the piercing type electric connector. It faces the blade portion 221 of the piercing terminal 22. The cable joining structure 42 further includes a positioning edge 423 connected to the pressing edge 421 and provided on opposite sides of the pressing edge 421. In the cable joining structure 42, the pressing end edge 421 and the positioning end edge 423 are connected, and a recess 424 is formed on one edge of the jig main body 41. The cable junction structure 42 further includes a pair of flare edges 425 connected to the pair of positioning edge 423s, and the distance between the pair of flare edges 425 gradually increases from the connection between it and the positioning edge 423. ..

That is, the flare edge portion 425 is provided in the opening in the recess 424 of the jig main body 41, and the pair of inclined flare edge portions 425 are connected to one end of the pair of parallel positioning end edges 423, respectively, and the pair of parallel positioning ends. The other ends of the edges 423 are each connected in a manner orthogonal to the pair of pressing edge edges 421. The pressing convex portion 422 is located at the center of the pressing end edge 421.

With reference to FIGS. 8 and 9, FIG. 8 is a top view when the jig for joining the electric connector of FIG. 1 and the cable crimps the cable to the electric connector, and FIG. 9 is a top view taken along the line CC of FIG. It is a cross-sectional view along a line. As shown in the figure, the piercing electric connector and the cable C are guided by the flare edge 425 into the recess 424 and housed in the recess 424.

The positioning edge 423 is abutted on the opposite sides of the piercing electrical connector, respectively, and specifically, the positioning edge 423 is abutted on the side surface of the pair of crimping members 31 of the engaging assembly 30 to abut the piercing electrical connector. Is sandwiched and positioned between the pair of positioning edge edges 423 together with the cable C provided in the second accommodating portion 12, and the pressing edge 421 is brought into contact with the pair of bent crimping members 31. At this time, the pressing convex portion 422 located at the center of the pressing end edge 421 is pressed against the insulating layer C2 of the cable C and comes into contact with the blade portion having the first angle θ1 with the mounting surface 121. The 221 pierces the insulating layer C2 of the cable C and is electrically connected to the core wire C1.

The blade portion 221 of the piercing terminal 22 of the piercing type electric connector of this embodiment has an inclined first angle θ1, whereby the blade portion 221 of the piercing terminal 22 can receive a force in the horizontal and vertical directions, and an external force can be received. When the cable C acts on the cable C, the blade portion 221 of the piercing terminal 22 can maintain an electrical connection with the core wire C1 of the cable C as the core wire C1 moves, and the core wire C1 of the cable C is the piercing terminal 22. It does not separate from the blade portion 221 and therefore does not cause the problem of signal interruption.

The piercing terminal 22 of the present embodiment has a pair of blade portions 221 and the piercing type electric connector of the present embodiment may be a connector of a coaxial cable, but the cable C is also a coaxial cable. It may be, but it is not limited to it.

The core wire C1 of the cable C is provided between the pair of blade portions 221 and abuts on the pair of blade portions 221 to form an electrical connection, specifically, the structure of the pair of blade portions 221 is provided. As a result, even if an external force acts on the cable C, the core wire C1 is stably positioned between the two blade portions 221 as shown in FIG. 12, whereby, according to the present embodiment, the core wire C1 is paired with the core wire C1. It is possible to effectively prevent the problem that the signal transmission is interrupted between the blade portion 221 and the blade portion 221.

With reference to FIGS. 10, 11, 12, and 13, FIG. 10 is a perspective view of the piercing electric connector of the second embodiment of the present invention, and FIG. 11 is a top view of the piercing electric connector of FIG. FIG. 12 is a cross-sectional view taken along the line DD of FIG. 14, and FIG. 13 is a cross-sectional view taken along the line EE of FIG.

As shown in the figure, in the piercing type electric connector of the present embodiment, the bent crimping member 31 is pressed against the insulating layer C2 of the cable C, so that the first angle θ1 is formed between the piercing type electric connector and the mounting surface 121. The blade portion 221 to be provided pierces the insulating layer C2 of the cable C and is electrically connected to the core wire C1. The same members of the present embodiment and the first embodiment are designated by the same reference numerals, and their structures and operations will not be repeatedly described.

The difference between this embodiment and the first embodiment is that the crimping member 31 of this embodiment extends upward from the edge of the mounting member 32, and the bent portion is a base portion 311 and a bent portion connected to the base portion 311. Including the 312 and the crimping portion 313 connected to the bent portion 312, the base portion 311 extends horizontally and has a second angle θ2 smaller than 180 degrees between the bent portion 312 and the base portion 311 with the crimping portion 313. It is to have a third angle θ3 smaller than 180 degrees with the bent portion 312.

The crimping portion 313 is crimped to the insulating layer C2 of the cable C, and has the first angle θ1 between the blade portion 221 and the mounting surface 121. In this embodiment, the third angle θ3 is larger than the second angle θ2. Moreover, both the second angle θ2 and the third angle θ3 are larger than 90 degrees.

The piercing type electric connector of the present embodiment forms the bent portion 312 and the crimping portion 313 by the bent crimping member 31, and has the blade portion 221 provided at the first angle θ1, so that the blade of the piercing terminal 22 is formed. The portion 221 can receive the force in the horizontal and vertical directions, and when an external force acts on the cable C, the blade portion 221 of the piercing terminal 22 establishes an electrical connection with the core wire C1 of the cable C as the core wire C1 moves. It can be held, and the core wire C1 of the cable C does not separate from the blade portion 221 of the piercing terminal 22, so that there is no problem that the signal is interrupted.

With reference to FIGS. 14, 15 and 16, FIG. 14 is a perspective view of the piercing electric connector of the third embodiment of the present invention, and FIG. 15 is a top view of the piercing electric connector of FIG. FIG. 16 is a cross-sectional view taken along the line FF of FIG. In this embodiment, the jig 30 of the first embodiment, the base portion 311 of the second embodiment, and the crimping member 31 having the bent portion 312 and the crimping portion 313 are doubly crimped to the insulating layer C2 of the cable C and mounted. The blade portion 221 having the first angle θ1 with the mounting surface 121 is pierced into the insulating layer C2 of the cable C and electrically connected to the core wire C1.

In the present invention, an inclined piercing terminal is provided, and the piercing terminal is pierced into an insulating layer of a cable by using a jig or a crimping member of an engaging assembly to electrically connect to the core wire. It has an inclined first angle between the piercing terminal of the piercing insulating layer and the mounting surface, which allows the piercing terminal to have elasticity in the horizontal and vertical directions and receive the force, and the cable receives an external force. Even in this case, the piercing terminal moves only slightly with the core wire and does not separate from the core wire, thereby preventing the situation where the signal is interrupted, and the core wire in the conventional technique is easily separated from the piercing terminal by an external force and the signal is interrupted. Solve the problem.

It should be noted that herein, the term "includes", "includes" or any other variation is intended for non-exclusive inclusion, and a process, method, article or device comprising a set of elements is those elements. In addition to including other elements not explicitly listed, or further including elements specific to the process, method, article or device thereof. Unless further restricted, an element limited by the phrase "contains ..." does not preclude the presence of yet other identical elements within the process, method, article or device containing the element. No.

Although the embodiments of the present invention have been described above with reference to the drawings, the present invention is not limited to the embodiment for carrying out the above invention, and the embodiments for carrying out the above invention are exemplary. However, without limitation, those skilled in the art can make more forms under the suggestion of the present invention without departing from the purpose of the present invention and the scope of claims for utility model registration. It belongs to the protection range of the present invention.

Claims (10)

A second accommodating portion (12) in which one end of a cable (C) including a first accommodating portion (11) and an insulating layer (C2) covering the conductive core wire (C1) and the core wire (C1) is installed inside. ), And an insulating base (10), including
A piercing terminal (21) installed in the first accommodating portion (11) and an piercing terminal installed in the second accommodating portion (12) and electrically connected to the butt terminal (21) and the cable (C). Including the terminal assembly (20), which includes the terminal (22),
The piercing terminal (22) includes a blade portion (221) that pierces the insulating layer (C2) and is electrically connected to the core wire (C1), and the blade portion (221) and the second accommodating portion (the second accommodating portion). 12) has a first angle (θ1) larger than 90 degrees and smaller than 180 degrees with the mounting surface (121) on which the cable (C) is mounted, and the blade portion (221) has a slope. A piercing electrical connector characterized by being presented and placed. Further, the engaging assembly (30) for engaging the cable (C) with the insulating base (10) is included, and the engaging assembly (30) is a crimping member (31) that intersects the extending direction of the cable (C). The crimping member (31) includes a base portion (311), a bent portion (312) connected to the base portion (311), and a crimping portion (313) connected to the bent portion (312). The crimping portion (313) is crimped to the insulating layer (C2) of the cable (C) and has a second angle (θ2) smaller than 180 degrees between the bent portion (312) and the base portion (311). The piercing type electric connector according to claim 1, wherein a third angle (θ3) smaller than 180 degrees is provided between the crimping portion (313) and the bent portion (312). The engaging assembly (30) further includes a mounting member (32) on which a surface (14) away from the second accommodating portion (12) of the insulating base (10) is mounted, and the crimping member (31). ) Is the piercing electric connector according to claim 2, wherein is connected to the above-mentioned mounting member (32) and extends toward the second accommodating portion (12). The terminal assembly (20) further includes a connecting member (23) that connects the butt terminal (21) and the piercing terminal (22), and the connecting member (23) is in front of the second accommodating portion (12). 1. The first aspect of the present invention is to extend along the mounting surface (121) and have a fourth angle (θ4) larger than 90 degrees between the blade portion (221) and the connecting member (23). The piercing electrical connector described in. The piercing electric connector according to claim 4, wherein the fourth angle (θ4) is equal to the first angle (θ1). The piercing terminal (22) includes a pair of the blade portions (221), the cable (C) is a coaxial cable, and the core wire (C1) of the cable (C) is a pair of the blade portions (221). The piercing type electric connector according to claim 1, wherein the piercing type electric connector is provided between the blades and is electrically connected to the pair of the blade portions (221). The jig main body (41) and the cable joining structure (42) provided in the jig main body (41) are included, and the cable joining structure (42) includes a pressing end edge (421) and the pressing end edge (421). ), The pressing convex portion (422) protrudes from the pressing end edge (421), and the pressing convex portion (422) is the piercing terminal of the piercing type electric connector. An electric connector for electrically connecting the piercing electric connector according to any one of claims 1 to 6, characterized in that it faces the blade portion (221) of (22), to a cable (C). Jig for joining with cable (40). The cable joining structure (42) further includes positioning edge edges (423) connected to the pressing edge (421) and provided on opposite sides of the pressing edge (421). (42) is a recess (424) formed by connecting the pressing edge (421) and the positioning edge (423), and the piercing electric connector and the cable (C) are the recess (424). ), And the positioning edge (423) abuts on the opposite sides of the piercing electric connector, respectively, and the pressing protrusion (422) presses against the insulating layer (C2) of the cable (C). The connection between the electric connector and the cable according to claim 7, wherein the blade portion (221) and the above-mentioned mounting surface (121) have the first angle (θ1). Tool (40). The cable joint structure (42) further includes a pair of flare edges (425) connected to the pair of positioning edge edges (423), and the distance between the pair of flare edges (425) is the positioning edge. The jig (40) for joining an electric connector and a cable according to claim 8, wherein the jig gradually increases from the connection portion with the edge (423). The jig (40) for joining an electric connector and a cable according to claim 7, wherein the pressing convex portion (422) is located at the center of the pressing end edge (421).

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