JPS61277180A - Joint connector - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION "Field of Industrial Application" The present invention is applicable to wire harnesses for automobiles, etc.
This invention relates to a joint connector used to connect a large number of wires to a lead wire from a main line to form a branch circuit.

"Prior Art" and "Problems to be Solved by the Invention" The conventional joint connector described above accommodates the female terminals of the primary and secondary electric wires 14 to be connected, as shown in FIG. A joint terminal 15 having a leg-shaped tab-shaped contact portion 17 of the required number of poles is inserted from the edge of the connecting plate 16 into the female connector housing 2, and the electric wire 14 is branched and connected via the joint terminal 15. At the same time, a protective cover 18 is placed over the joint terminal 15, or as shown in FIG.
Insert the female connector housing 19 from the 0 head and cover the hinged lid 20 from above the inserted joint terminal 15 (an integrated cover may be used instead of the hinged lid). It is classified into a structure in which the electric wire group 14 is branched and connected to the type connector housing 2.

The former of the above conventional joint connectors is
The integral cover 18 becomes essential, increasing the number of parts, and the assembly procedure requires inserting the female terminal into the female connector housing 2, then inserting the joint terminal 15, and covering the integral cover 18. However, it is not possible to separate the female terminal side and the joint terminal side in advance on a dedicated line and perform the primary assembly efficiently, resulting in poor assembly work efficiency. On the other hand, although the latter allows the above-mentioned primary assembly, it requires the hinged lid 20 or an integrated cover, which complicates the structure and increases the number of parts. However, due to the requirements for hinge performance, the material must be limited to polypropylene, and the female connector housing 19 has the drawback of lacking flame retardancy.

It is an object of the present invention to solve the above-mentioned conventional difficulties.

``Means for Solving the Problems'' The present invention, which achieves the above objects, is ``consisting of a combination of a bottomed housing body with a front opening, and a female connector housing that accommodates a female terminal of a contact wire. A joint terminal, in which a required number of tab-shaped contact parts are formed in parallel at equal pitches along one side edge of a band-shaped connecting part, is arranged at the bottom of the housing body, with the tab-shaped contact parts facing the opening. There is a
A structure for connecting the housing body and the female connector housing to form a branch circuit connection.

"Examples" and "Operations" The present invention will be described in detail below with reference to Examples. In FIGS. 1 to 3 showing an embodiment thereof, the joint connector of the present invention has a housing body 1 with a front opening and a rear closure, in which a group of joint terminals 8 are arranged at the bottom, and a primary side and a secondary side to be connected. It consists of a combination with a female connector housing 2 (hereinafter simply referred to as a female housing sinker) that accommodates a female terminal (not shown) of an electric wire 14, and when the housing body 1 is fitted into the female housing 2 and connected, a joint terminal 8 is connected to the female connector housing 2. The wire group 14 is configured to branch and connect.

Specifically, the joint terminal 8 consists of one type as shown in FIG. 2, and includes a tab-shaped contact portion 6 protruding in parallel at a required pitch P along one side edge of the strip-shaped connecting portion 5, and a tab-shaped contact portion 6 protruding in parallel with the other side edge. The connecting portion 5, the tab-shaped contact portion 6, and the locking portion 7 are formed on the same plane and have the same shape on the front and back sides. As shown by the dotted line in the figure, a force is applied to connect the required number of tab-shaped contact portions 6, and depending on the total number of primary and secondary wires to be connected, for example, 2P (tab It is used as a joint terminal 8 with the required number of poles, such as one with two contact parts 6), 8P, 4F, etc. In addition, the locking part 7
1 is a locking portion when the joint terminal 8 is set upright at the bottom of the housing body 1, and is designed to have a bulging tip so that it cannot be easily pulled out.

On the other hand, the housing body 1 has a shape in which an opening 8 is provided at the front and the rear is closed by a bottom 9, as shown in FIG. are continuously drilled in a rectangular shape with rounded corners, and at the bottom of the terminal fitting groove 10, a locking hole 11 into which the locking part 7 of the joint terminal 8 is press-fitted is formed at a pitch of the locking part 7. It is formed to correspond to P2. In addition, the housing body 1
A protrusion 12 is formed on the inner wall of the housing from the bottom 9 toward the opening 8, and when the housing body 1 is fitted into the female housing 2, the protrusion 12 engages with the four stripes 18 on the peripheral wall of the female housing 2. However, the two should be joined in the correct position.

The necessary extremely fine joint terminals 8 corresponding to the wire connection configuration of the female housing 2 are selected and assembled into the housing body 1 having the above configuration, and the connecting portions 5 are inserted into the terminal fitting grooves 10, and the locking portions 7 When press-fitted into the locking hole 11, the first
As shown in the figure, a group of extremely fine joint terminals is arranged in accordance with the connection configuration of the female housing 2, and arranged in an upright manner with the tab-shaped contact portion 6 facing the opening 8. Then, when the housing body 1 described above is connected to the female housing 2 in an overlapping manner, the connection type I in the female housing 2! 14 female terminals and the tab-shaped contact portion 6 of the joint terminal 3 are electrically connected, and the wire group 14 is connected by branching the secondary side into the required number.

According to the joint connector of the present invention having the above configuration, the arrangement of the joint terminal 8 in the housing body 1 and the insertion and insertion of the female terminal into the female housing 2 can be performed separately, so that they can be carried out separately on a dedicated line etc. Perform the primary assembly, then -
It is only necessary to couple the next assembled housing body 1 and female housing 2 in the final step, improving the workability of assembling the connector. Since the conventional integrated cover and hinge structure are abolished, costs can be reduced by reducing the number of parts, and there are no restrictions on the material of the housing body 1, so it can be molded from, for example, nylon, thereby imparting flame retardance to the connector. be able to.

Further, the connector of the above embodiment has tab-shaped contact portions 6 arranged in parallel at equal pitches on one side edge of the band-like connecting portion 5, and locking portions 7 arranged at equal pitches on the other side edge, and these are arranged on the front and back sides. The joint terminals 8 can be arranged by simply press-fitting the locking portions 7 into the locking holes 11, which are formed on one plane without distinction between the joint terminals 3 and 3, and which are drilled at equal pitches in the bottom 9 of the housing body 1.
It becomes easy to mechanize the insertion and arrangement of the parts, and it is possible to further improve the productivity of the above-mentioned primary assembly. Then, the joint terminals 8 of any number of poles can be selectively combined in accordance with the connection configuration, and can be freely inserted and arranged in any of the locking holes 11 in the housing body 1, so that the connector can be branched. This has the advantage of increasing the degree of freedom in designing the circuit configuration.

Next, to explain another embodiment of the present invention, the means for disposing the joint terminal 3 in the housing body 1 is other than the above-mentioned press-fitting and insertion, and the above-mentioned locking portion 7 or the locking portion 7 is omitted. The connecting portion 5 can be inserted and implanted during molding of the housing body 1.

Furthermore, as another embodiment, as shown in FIG. 4, when a joint terminal 8 in which the connecting portion 4 is bent into an arc shape is inserted into one corner of the terminal fitting groove 1o in the housing body 1, the above-mentioned The degree of freedom in designing the circuit configuration can be further improved.

"Effects of the Invention" As described above, the connector of the present invention has excellent effects such as improving the productivity of connector molding, reducing costs, and further improving the degree of freedom in designing the branch circuit configuration.

[Brief explanation of the drawing]

Figure 1 shows the connector of the present invention-embodiment, 2) is its front view, (to) is its side view, 0 is AA sectional view of 2),
Figure 2: Shows the joint terminal of the embodiment in Figure 1, (6)
0 is a front view thereof, 0 is a side view thereof, FIG. 8: shows the housing body of the embodiment in FIG. A joint terminal of another embodiment is shown, (A) is a front view thereof, (To) is a bottom view thereof, Fig. 5.6: A perspective view showing a joint connector of the prior art. 2: Female connector housing, 3: Joint terminal, 5: Connecting portion, 6: Tab-shaped contact portion, 7: Locking portion, 9: Bottom of housing body, 10: Terminal fitting groove, 11: Locking hole , 14: Electric wire, 15: Joint terminal of conventional technology, 18: Cover integrated, 20: Hinged lid body Patent applicant: Sumitomo Wiring Systems Co., Ltd. Representative Patent Attorney Kenmi Oka (A
) Figure 1 (B) Figure 2 (A) (B) M3fI! J(A) Figure 3(B)

Claims (3)

[Claims] (1) It consists of a combination of a bottomed housing body with a front opening and a female connector housing that accommodates a female terminal of a connecting wire. A joint terminal having a required number of tab-shaped contact parts formed in parallel at equal pitches is arranged with the tab-shaped contact parts facing the opening, and connects the housing body and the female connector housing to form a branch. A connector characterized by a structure that connects and forms circuits. (2) Locking portions are formed at equal pitches on the other side edge of the connecting portion, and the bottom of the housing body has a terminal fitting groove for receiving the connecting portion, and a locking portion for press-fitting the locking portion. The joint connector according to claim 1, wherein holes are formed at the same intervals as the pitch, and the locking portion is press-fitted into the locking hole. (3) The joint connector according to claim (1), wherein the joint terminal is implanted and molded into the housing body.