JP2002165333A - Structure for busbar terminal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a structure for a busbar terminal capable of enhancing manufacturing yield of the busbar and saving a space for arranging the busbar. SOLUTION: The busbar terminal is the one that includes: a plurality of conductors 1c, 2c and 3c... and separate bodies of these conductors 1c, 2c and 3c...; and a plurality of terminal bases 1b, 2b and 3b... at those of which a plurality of pressure-contacting terminals 1a, 2a and 3a... is successively formed. The busbar terminal also arranges and disposes in parallel the plurality of terminal bases 1b, 2b and 3b... so as to align the plurality of the pressure- contacting terminals 1a, 2a and 3a... of the plurality of terminal bases 1b, 2b and 3b..., also in the busbar terminal, each terminal base 1b, 2b and 3b... is connected to each conductor 1c, 2c and 3c..., respectively.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a terminal structure of a bus bar used in an electric junction box.

[0002]

2. Description of the Related Art FIG. 2 is a perspective view showing a terminal structure of a conventional bus bar.
0, 21 and 22 respectively.
The groups 21a and 22a are arranged in a line in a straight line, and correspond to a plurality of fuses 25 arranged in a line.

The bus bars 20, 21 and 22 are formed by punching and bending a conductive sheet metal, respectively.
Pressure contact terminals 20a, 21a, to which the fuse 3 is connected on one side,
Terminal bases 20b, 21b, 22b having a group 22a
On the other hand, it is formed in a flat L-shape with conductor portions 20c, 21 and 22c connected to a power supply formed.

The press contact terminals 20a, 21a, 22a are respectively branched from the terminal bases 20b, 21b, 22b and are erected and coupled, and the press contact terminals 20a, 21a, 22a are arranged in a straight line. .

The press contact terminals 20a, 21a, 22a
Are formed in the same structure in which a U-shaped slit 24 for pressing a tab 25a of a fuse 25 formed along the extension direction of the terminal piece 23 is provided.

[0006]

However, in the conventional bus bar terminal structure as described above, the bus bar 2
Terminal bases 20b, 21b, 2 forming 0, 21, 22
2b and the conductor portions 20c, 21c, 22c are an integrated flat plate L
Since it is formed in the shape of a letter, there is a problem that the yield at the time of punching and forming a sheet metal is deteriorated and the cost is increased.

Further, since the terminal bases 20b, 21b, 22b and the conductors 20c, 21c, 22c are formed in a flat plate shape, when they are arranged side by side on an insulating substrate, the arrangement space becomes large. was there.

Further, when the circuit on the upstream side of the fuse, that is, the branch circuit in the electric junction box formed by the bus bars 20, 21, 22 is changed, the connected fuse also changes. , Bus bars 20, 21,
22 must be remade. Therefore, it was not possible to easily cope with circuit changes, and lacked versatility.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and can improve the yield when forming a thin metal sheet by punching, and can improve the yield when arranging it on an insulating substrate. An object of the present invention is to provide a bus bar terminal structure which can reduce the installation space and can easily cope with a circuit change.

[0010]

In order to solve the above-mentioned problems, the invention according to claim 1 comprises a plurality of conductors connected to a power supply side, and formed separately from these conductors, and provided in a fuse. A plurality of terminal bases in which a plurality of pressure contact terminals to be connected are coupled, and the plurality of terminal bases are arranged in parallel so that the pressure contact terminals of each terminal base are linearly arranged in a line. ,
It is characterized in that each terminal base is formed by connecting to a conductor.

In the bus bar terminal structure, the conductor connected to the power supply and the terminal base formed by connecting a plurality of press-connecting terminals connected to the fuse are formed separately. Since the terminal and the terminal base each have a linear (long) flat plate shape, when forming a thin sheet metal by punching,
As compared with the case of forming a letter-shaped object, material waste is reduced, the yield can be improved, and the cost can be reduced.

According to a second aspect of the present invention, in the bus bar terminal structure according to the first aspect, the plurality of terminal bases are erected so that the plurality of press-contact terminals of each terminal base are linearly arranged in a line. It is characterized by being arranged side by side in a vertical shape.

[0013] In the terminal portion structure of the bus bar,
In addition to the effect obtained by the described invention, since a plurality of terminal bases are arranged in parallel in a vertical shape by erecting such that a plurality of press-contact terminals of each terminal base are linearly arranged in a line,
The space for disposing these terminal bases on the insulating substrate can be reduced, and the space can be saved.

According to a third aspect of the present invention, there is provided the busbar terminal structure according to the first or second aspect, wherein any one of the plurality of press-connecting terminals connected to each of the terminal bases. The circuit can be changed by cutting off the part.

Therefore, when the circuit is changed, it is possible to easily cope with the circuit change by cutting off the unnecessary press contact terminals while leaving the necessary press contact terminals.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a perspective view showing a terminal structure of a bus bar according to an embodiment of the present invention.

In this embodiment, as shown in FIG. 1, a plurality of bus bars 1, 2, 3,... Are arranged in parallel on an insulating substrate (not shown), and a plurality of bus bars 1, 2, 3,. Are arranged in a line in a straight line so as to correspond to a plurality of fuses 6, 6,... Arranged in a line.

Each of the bus bars 1, 2, 3,... Is formed by punching and bending a conductive thin metal plate, and is formed into a straight (long) flat plate shape.
, 2c, 3c,... and these conductor portions 1c, 2c, 3
a plurality of terminal bases 1 formed in a straight plate shape by punching and bending a conductive sheet metal separately from c,.
, 2b, 3b,..., and each terminal base 1b, 2
The conductors 1c, 2c, 3c,... are connected to b, 3b,.

Each of the terminal bases 1b, 2b, 3b,... Is provided with a plurality of press contact terminals 1a, 2a, 3a,.

The press contact terminals 1a, 2a, 3a,... Are branched from terminal bases 1b, 2b, 3b,.

The press contact terminals 1a, 2a, 3
a,... each terminal base 1b,
2b, 3b,... Are erected and arranged in parallel in a vertical shape. In this case, unnecessary press contact terminals are cut out while leaving only necessary press contact terminals from the press contact terminals 1a, 2a, 3a,.

The press contact terminals 1a, 1b, 1c of the respective terminal bases 1b, 2b, 3b,... Are formed in the same structure, and press-contact the tab 6a of the fuse 6 formed along the extension direction of the terminal piece 4. U-shaped slit 5 is provided.

When the branch circuit formed in the electric junction box is changed by the circuit on the upstream side of the fuse, that is, the bus bars 1, 2, 3,..., And the fuse to be connected is changed, the pressure contact terminal 1a , 2a, 3a,..., The circuit change can be dealt with by leaving only the necessary crimp terminals and cutting off unnecessary crimp terminals.

In this embodiment, a plurality of conductors 1c, 2c, 3c,... Connected to the power supply side and a plurality of terminal bases 1b, 2b, 3b connected to the fuse 6 are formed separately. Since the conductor portions 1c, 2c, 3c,... And the terminal base portions 1b, 2b, 3b,. As compared with the case of forming a shape, waste of material is reduced, the yield can be improved, and the cost can be reduced by effectively using the material.

The plurality of terminal bases 1b, 2b, 3
.. are arranged in parallel in a vertical shape by erecting a plurality of press-connecting terminals 1a, 2a, 3a,... of each terminal base 1b, 2b, 3b,. Can be reduced when the terminal bases 1b, 2b, 3b,... Are disposed on an insulating substrate (not shown), and the space can be saved.

Further, even when the circuit in the electric junction box is changed, it is possible to easily cope with the circuit change by cutting off unnecessary press-contact terminals while leaving necessary press-contact terminals.

[0028]

As is apparent from the above description, according to the first aspect of the present invention, the conductor connected to the power supply side includes:
Since the terminal base portion connected to the fuse is formed separately from each other, the conductor portion and the terminal base portion are each formed in a linear flat plate shape, thereby improving the yield when punching and forming a thin sheet metal. And cost reduction can be achieved.

According to the second aspect of the present invention, in addition to the effects of the first aspect of the present invention, the plurality of press contact terminals of the plurality of terminal bases are erected so as to be linear in a line, and are arranged in a vertical shape. Since these terminal bases are arranged on the insulating substrate, the space for disposing the terminal bases on the insulating substrate can be reduced, and the space can be saved.

According to the invention of claim 3, claim 1,
In addition to the effects of the invention described in Item 2, it is possible to easily cope with circuit changes.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a terminal structure of a bus bar according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a terminal portion structure of a conventional bus bar.

[Explanation of symbols]

 1, 2, 3,... Busbars 1a, 2a, 3a,... Press-connecting terminals 1b, 2b, 3b,.

Claims (3)

[Claims] A plurality of conductors connected to a power supply side;
A plurality of terminal bases formed separately from these conductor parts and connected to a plurality of press contact terminals connected to the fuse, respectively, and the plurality of terminal bases are formed by a plurality of terminal bases. A terminal portion structure of a bus bar, wherein pressure contact terminals are arranged in parallel so as to be linear in one row, and each terminal base is connected to a conductor portion. 2. The terminal structure of a bus bar according to claim 1, wherein said plurality of terminal bases are erected so that a plurality of press-contact terminals of each terminal base are linearly arranged in a line, and are arranged in a vertical shape. A bus bar terminal structure, wherein the terminal portion structure is formed by arranging the terminals. 3. The bus bar terminal structure according to claim 1, wherein an arbitrary press contact terminal portion is cut out of the plurality of press contact terminal portions connected to each of the terminal bases. The terminal structure of the bus bar, wherein the circuit can be changed.