JP2518520Y2 - Connection type branch connection terminal - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to an improvement of a terminal for branch connection, in which the branch connection terminal can be freely attached and detached according to the number of electrical components etc. to be branch connected. .

[Conventional technology]

Conventionally, as a means for branching a large number of electric wires from a single power supply line, for example, a branch connection terminal (No. 59-11425) is used.

The branch connection terminal 30 is integrally formed by punching and bending a metal plate, and the terminal main body 31
On one side, an elastic contact portion 33 into which the mating tab-shaped terminal 32 is fitted is formed, and on the other side, an electric wire connecting portion 35 for crimping the electric wire 34 is formed. Further, the elastic contact portion 33 and the electric wire connecting portion are formed.
Adjacent terminals 36 on both sides of the terminal body 31 between 35 ...
Is formed by forming a belt-like chain portion 37 that connects the two to each other.

That is, the electric current input from one power supply line (not shown) is distributed to each terminal 36 through the strip-shaped chain portion 37, and electrical components (not shown) are provided through the respective elastic contact portions 33 and electric wire connection portions 35. Sent to.

Here, the branch connection terminal 30 is mainly housed in a connector housing (not shown), and is fitted with a mating connector (not shown) to which the tab-shaped terminal 32 is attached for electrical connection.

However, in the above-described conventional branch connection terminal 30, the number of terminals 36 is set in advance, and in order to increase the number of electrical components during use, for example, in order to increase the number of electrical components during use, It had to be replaced with a connector on the class, which was not versatile and time-consuming.

[Problems to be solved by the device]

In view of the above-mentioned points, an object of the present invention is to provide a branch connection terminal in which the number of branch connections can be freely increased or decreased according to the usage status of electrical components and the like.

[Means for solving the problem]

In order to achieve the above object, the present invention forms a terminal body having an electric contact portion for a mating terminal and a connecting portion for an electric wire in a longitudinal direction by punching and bending a conductive metal plate, and at the same time, the terminal body. In a connection terminal in which a chain band is integrally formed in a direction orthogonal to the substrate part in the longitudinal direction, and a plurality of terminal bodies are connected in parallel by the chain band to form a terminal group, the chain is formed between adjacent terminal bodies. The strip is cut to form projecting connection pieces on both sides of the substrate portion of the terminal body, the connection pieces having a bent male connection portion on one side and the male connection portion on the other side. A connection type branch connection terminal having a female connection portion that is bent back is adopted.

[Action]

The number of branches can be freely increased by fitting the male connecting parts of the connecting type branch connecting terminals to the female connecting parts of the adjacent connecting type branch connecting terminals. On the contrary, the number of branches can be reduced by releasing the connection.

〔Example〕

FIG. 1 shows a connection type branch connection terminal according to the present invention.

This branch connection terminal 1 is arranged such that both sides of the board portion 3 are erected with respect to one of the terminal bodies 2, and both ends of the branch connection terminal 1 are bent inwardly in parallel with the board portion 3 and further toward the board portion 3. An elastic contact portion 5 having a male tab terminal insertion gap 4 left behind is provided between the tip end and the substrate portion 3 and is erected on both sides of the substrate portion 3 with respect to the intermediate portion of the terminal body 2. An electric wire connecting portion 8 (that is, a bare wire crimping portion 6 and a cover crimping portion 7) is provided, and further, to the other of the terminal main body 2,
A conductive connecting piece 9 is provided which projects from both sides of the board portion 3 in the orthogonal direction, and a male connecting portion 10 bent at a right angle to the standing direction of the wire connecting portion 8 is formed at one end of the connecting piece 9. At the same time, a substantially inverted U-shaped female connecting portion 11 which is parallel to the male connecting portion 10 is formed at the other end of the connecting piece 9.

FIG. 2 (a) shows a manufacturing process (an example) of the branch connection terminal 1 described above.

In the figure, 12 is a branch connection terminal group integrally formed by punching and bending a flat metal member, and the terminal group 12 is a chain extending in a direction orthogonal to the terminal board portion 3. The belt 13 is integrally connected. The chain strip 13 has a rectangular male connecting piece portion extending in one direction with respect to the base plate portion 3.
14 is formed, and a female connecting piece portion 15 having a substantially inverted U-shaped cross section is formed in the other side direction with respect to the substrate portion 3.

Then, the electric wire 16 is placed on the electric wire connecting portion 8, and the bare wire crimping portion 6 and the covering crimping portion 7 are crimped to the electric wire 16 by a crimping press (not shown), and at the same time, the inner wall 17 of the male connecting piece portion 14 is pressed.
The chain band 13 is cut from the upper end (two-dot chain line 18) and the lower end (two-dot chain line 20) of the outer wall 19 of the female connecting piece portion 15.

Through the above process, the inner side wall 17 of the male connecting piece portion 14 becomes the male connecting portion 10, the female connecting piece portion 15 becomes the female connecting portion 11, and the terminal sub-assembly 23 as shown in FIG. Done.
In this process, if it is desired to obtain a normal connection terminal not for branch connection, it may be cut along the substrate extension line (two-dot chain line 21, 22) shown in FIG. 2 (a).

FIG. 3 shows a state in which the terminal subassemblies 23, 23 ... Are connected to each other.

That is, by fitting the male connecting portion 10 of the branch connecting terminal 1 to the female connecting portion 11 of the adjacent branch connecting terminals 1 ', a desired number of branch connecting can be performed.

Here, as shown in FIG. 4, the branch connection terminals 1 ... Are accommodated in the connector housing 24, and the tab-shaped male terminals are formed.
It is used by fitting it to the mating connector 26 on which 25 is mounted.

In the figure, 1 is a branch connection terminal, 9 is a connecting piece, 9'is its connecting portion, 27 is a power supply line, 28 is a fuse on the power supply side, and A to K are load portions such as electrical components, that is, one From the power supply line 27 through the connecting piece 9 of the branch connecting terminal 1, through the respective electric wires 16 and 29 from the branch connecting terminal (female terminal) 1 and the tab-shaped male terminal 25, a large number (seven in the figure) of load parts a to It is possible to energize by branching to Ki. Here, if the connector housing 24 having an extra terminal accommodating chamber is used in advance, the load section
If you want to increase the number of keys, you can connect the desired number of branch connection terminals 1, and if you want to reduce the load section a to k, you can cancel the connection to eliminate unnecessary terminal resistance. it can.

Although the female elastic contact portion 5 is formed in the branch connection terminal 1 of this embodiment, a male tab-shaped contact portion may be formed instead of the female elastic contact portion 5. Needless to say.

[Effect of device]

As described above, according to the present invention, it is not necessary to replace the entire connector as in the conventional case by connecting the branch connection terminals in accordance with the increase or decrease in the number of branch-connected electrical components.
The connection work is simplified and unnecessary terminal resistance can be eliminated by removing unnecessary branch connection terminals.

Further, the manufacturing cost can be reduced by forming the connecting piece having the male / female connecting portion by utilizing the chain zone which is usually cut and removed. Furthermore, it is possible to set the electric contact portion for the mating terminal and the connection portion for the electric wire in the same manner as a normal terminal without being restricted by the position,
Moreover, by cutting off the connecting piece, it can be used as an ordinary terminal, and the connecting terminal and the branch terminal can be shared.

[Brief description of drawings]

1 is a perspective view showing an embodiment of the present invention, FIG. 2 (a) is a perspective view showing a manufacturing process thereof, FIG. 2 (b) is a perspective view showing a terminal sub-assembly, and FIG. FIG. 4 is a perspective view showing a connected state, FIG. 4 is a wiring diagram in the present invention, and FIG. 5 is a perspective view showing a conventional example. 1 …… Branch connection terminal, 2 …… Terminal body, 9 …… Coupling piece,
10 …… Male connection part, 11 …… Female connection part, 13 …… Chain band

Claims (1)

(57) [Scope of utility model registration request] 1. A conductive metal plate is punched and bent to form a terminal main body having an electric contact portion for a mating terminal and a connection portion for an electric wire in a longitudinal direction, and is orthogonal to the substrate portion of the terminal main body in the longitudinal direction. In a connection terminal in which a chain band is integrally formed in a direction, and a plurality of terminal bodies are connected in parallel by the chain band to form a terminal group, the chain band is cut between adjacent terminal bodies to form the terminal. A connecting piece is formed on both sides of the base plate portion of the main body so that the connecting piece has a bent male connecting portion on one side and a folded and bent female connecting portion corresponding to the male connecting portion on the other side. A connection-type branch connection terminal having: