JP3757299B2 - Plug-in female fuse - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a plug-in type female fuse.
[0002]
[Prior art]
Conventionally, there are various types of plug-in type female fuses in which female terminals having a pair of left and right tongue pieces connected by an intermediate fusing part are arranged in parallel in an insulating housing. 5. As shown in FIG. 6, the tongue-shaped male terminal 11 is inserted into the bottom surface of the housing 9 with the tongue-inserting portions 3, 3 of the pair of left and right female terminals 2, 2 formed in a rectangular frame shape in cross section. It is incorporated corresponding to the square windows 5 and 5 for use.
[0003]
Therefore, in the bus bar 10 arranged in parallel using this female fuse, as shown in FIG. 6, a pair of tongue-shaped male terminals 11 and 11 are arranged in parallel, or one bus bar 10 has a long length. The tongue-shaped male terminals 11 and 11 are provided at a constant pitch on the upper portion of the connection portion 12, and the tongue-shaped male terminals 11 are disposed on the other bus bar 10 disposed in parallel with the male terminals 11 and 11. It was necessary to insert a female fuse by aligning the square windows 5 and 5 on the lower surface of the housing 9 so as to straddle the male terminals 11 and 11.
[0004]
[Problems to be solved by the invention]
However, in the conventional bus bar, a large number of a pair of tongue-shaped male terminals 11, 11 are arranged, or a plurality of tongue-shaped male terminals 11 are projected at a constant pitch above the long connecting portion 12. Since it is necessary to form the product in a new state by punching the press, it takes time for arrangement and is disadvantageous in material removal.
Further, when inserting the female fuse, it is necessary to register each pair of male terminals 11 and 11 with the square windows 5 and 5 on the lower surface of the housing.
[0005]
[Means for Solving the Problems]
The present invention replaces the conventional form in which the individual tongue-shaped male terminals 11 are inserted into the square windows 5 and 5 on the lower surface of the female fuse and connected to the female terminals 2 and 2. By providing the female terminal side slit 4 and the housing side slit 8 over the entire width of the lower surface of the single insertion portion 3 and the housing 9 that holds the single insertion portion 3, not only the tongue-shaped male terminal 11 of the conventional bus bar but also a simple long shape Even in the case of the bus bar 10, the female terminal 2 can be inserted at an arbitrary position.
[0006]
That is, the first aspect of the present invention is a cross section formed by the conductive boards 6 and 6 connected by the intermediate fusing part 1 and the spring plates 7 and 7 having the bulging part provided in the vicinity thereof. The rectangular frame-shaped female terminals 2 and 2 are provided with a pair of left and right tongue insertion portions 3 and 3, and the female terminals 2 and 2 are arranged in parallel in the insulating housing 9 to form a long connection portion 12. A female insert type fuse that can be mounted at an arbitrary position of a bus bar 10 composed of only the bus bar 10 , wherein both the tongue piece insertion portions 3, 3 of the female terminals 2, 2 and the housing 9 holding the same are provided on the housing 9. Two parallel female terminal side slits 4, 4 and housing side slits 8, 8, which can be inserted into the tongue piece insertion portions 3, 3 from the lower side of the housing 9 by the long bus bar 10 across the entire width, respectively. In correspondence with the female terminals 2 and 2 and the lower part of the housing 9 A bayonet female fuse, wherein the digits.
[0007]
The second aspect of the present invention is a cross section formed by the conductive boards 6 and 6 connected by the intermediate fusing part 1 and the spring plates 7 and 7 having the bulging part provided in the vicinity thereof. The rectangular frame-shaped female terminals 2 and 2 are provided with a pair of left and right tongue insertion portions 3 and 3, and the female terminals 2 and 2 are arranged in parallel in the insulating housing 9 to form a long connection portion 12. This is a plug-in type female fuse that can be attached to any position of the bus bar 10 consisting of only the bus bar 10 , and has a full width of the housing 9 in both the tongue piece insertion portion 3 of one female terminal 2 and the housing 9 holding the same. The single female terminal side slit 4 and the housing side slit 8 that can be inserted into the tongue piece insertion portion 3 from below the housing 9 are made to correspond to the female terminal 2 and the lower part of the housing 9, respectively. Inserts characterized by It is a female fuse.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, typical embodiments of the present invention will be described with reference to the drawings.
1A and 1B show a female fuse according to the present invention, in which FIG. 1A is a front view, FIG. 1B is a bottom view, and FIG. 1C is a central longitudinal front view.
In this female fuse, copper alloy female terminals 2 and 2 having a pair of tongue insertion portions 3 and 3 each having a fusing portion 1 in the middle are arranged in parallel in an insulating housing 9. Yes, the female terminals 2 and 2 are loaded into the housing 9 in the same manner as in the conventional product.
[0009]
That is, as shown in FIG. 2, the female terminals 2 and 2 are formed by the conductive boards 6 and 6 connected by the fusing part 1 and the spring plates 7 and 7 having the bulging part provided in the vicinity thereof. A tongue frame insertion portion 3 having a rectangular frame shape in cross section is formed, and slits 4, 4 on the female terminal side of two strips into which a long bus bar 10 can be inserted are formed on the front and rear portions of the bus bar 10. It is provided to the depth required for insertion.
[0010]
In the figure, 8 and 8 are housing side slits having substantially the same width and depth as the female terminal side slits 4 and 4 formed over the entire width of the housing 9 from the lower surface to the middle of the housing 9. In the slits 8 and 8, the conductive substrates 6 and 6 of the female terminals 2 and 2 and the bulging portions of the spring plates 7 and 7 face each other.
[0011]
Therefore, the female fuse can be mounted at any position of the bus bar 10 composed of only the long connecting portion 12 as shown in FIG. 2, and the conventional long fuse as shown in FIG. It can also be attached to the tongue-shaped male terminal 11 formed in a protruding shape on the upper portion of the connection portion 12.
[0012]
FIG. 3 shows another example of the female fuse according to the present invention, in which (A) is a front view, (B) is a bottom view, and (C) is a center longitudinal front view.
In this female fuse, one female terminal 2 in the female fuse shown in FIG. 1 and the portion of the housing 9 that holds the female terminal 2 have the same form as the conventional product.
[0013]
That is, in a female fuse in which female terminals 2 and 2 having a pair of tongue insertion portions 3 and 3 having a fusing portion 1 in the middle are arranged in parallel in the housing 9, the tongue of one female terminal 2 On the lower side of both the insertion portion 3 and the housing 9 that holds the insertion portion 3, a long bus bar 10 across the entire width of the housing 9 can be inserted into the tongue piece insertion portion 3 from below the housing 9. The slit 4 and the housing-side slit 8 are provided in correspondence with the female terminal 2 and the lower part of the housing 9, respectively.
[0014]
Therefore, in this female fuse, only the conventional tongue-shaped male terminal 11 can be inserted on the side where no slit is provided, but the side where the slit is provided is simply a long connection as shown in FIG. The tongue bar-shaped male terminal 11 can be mounted at an arbitrary position on the bus bar 10 including only the portion 12 and is formed in a protruding shape on the upper portion of the conventional long connecting portion 12 as shown in FIG. It can also be attached to individual tongue-shaped male terminals 11.
[0015]
【The invention's effect】
Since the present invention has a simple configuration in which two or one slit for inserting a long male terminal is provided in the tongue insertion part of the female terminal of the female fuse and the lower part of the housing, it is easy to manufacture. , There is flexibility in its use.
[0016]
In addition, since a simple bus bar may be used even when the bus bar is created, material removal is advantageous, the stamping process of the press can be simplified, and the height of the fuse block can be reduced.
[0017]
Furthermore, since it can be mounted in a free position of a simple long bus bar, the mounting pitch of the female fuse can be freely changed, and there is no restriction on the bending position when the bus bar is bent. Therefore, it becomes easy to deal with design changes.
[0018]
Therefore, it can be said that the industrial applicability of the present invention is very large.
[Brief description of the drawings]
FIGS. 1A and 1B show an example of a female fuse according to the present invention, in which FIG. 1A is a front view, FIG. 1B is a bottom view, and FIG.
FIG. 2 is a partially cutaway perspective view showing how the female fuse of FIG. 1 is used.
3A and 3B show another example of the female fuse according to the present invention, in which FIG. 3A is a front view, FIG. 3B is a bottom view, and FIG.
4 is a partially cutaway perspective view showing how the female fuse of FIG. 3 is used.
5A and 5B show an example of a conventional female fuse, in which FIG. 5A is a front view, FIG. 5B is a bottom view, and FIG. 5C is a central longitudinal front view.
6 is a partially cutaway perspective view showing how the female fuse of FIG. 5 is used.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Fusing part 2 Female terminal 3 Tongue piece insertion part 4 Slit 5 Square window 6 Conductive board 7 Spring board 8 Slit 9 Housing 10 Bus bar 11 Male terminal 12 Long connection part

Claims (2)

A rectangular cross-section formed by a conductive substrate (6, 6) connected by an intermediate fusing part (1) and a spring plate (7, 7) having a bulging part provided in the vicinity thereof The female terminals (2, 2) are provided with a pair of left and right tongue insertion portions (3, 3), and the female terminals (2, 2) are arranged in parallel in the insulating housing (9) to be long. Plug-type female fuse that can be attached to any position of the bus bar (10) consisting only of the connection portion (12) , and the tongue piece insertion portion (3, 3) of the female terminal (2, 2) and this A long bus bar (10) can be inserted into the tongue piece insertion portion (3, 3) from below the housing (9) across the entire width of the housing (9). Two parallel female terminal side slits (4, 4) and housing side slits (8, 8) Bayonet female fuses scan terminals (2,2) and characterized by providing in association with the lower portion of the housing (9). A rectangular cross-section formed by a conductive substrate (6, 6) connected by an intermediate fusing part (1) and a spring plate (7, 7) having a bulging part provided in the vicinity thereof The female terminals (2, 2) are provided with a pair of left and right tongue insertion portions (3, 3), and the female terminals (2, 2) are arranged in parallel in the insulating housing (9) to be long. Insertion type female fuse that can be attached to any position of the bus bar (10) consisting only of the connection part (12), and holds the tongue piece insertion part (3) of one female terminal (2) A single female terminal in which a long bus bar (10) can be inserted into the tongue piece insertion portion (3) from below the housing (9) across the entire width of the housing (9) on both housings (9) Side slit (4) and housing side slit (8) are connected to female terminal (2) and housing respectively Bayonet female fuses, characterized in that provided in correspondence with the lower portion of the grayed (9).

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