JP2001093399A - Multiple slow blowing fuse - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a multiple slow blowing fuse superior in assembling workability, highly reliable on electric connection and free of incorrect assembly. SOLUTION: A fuse element 4 which has a current carrying bus bar portion 13 having an output terminal and an input terminal 12, a connection bus bar portion 15 formed integrally with the bus bar portion 13, extending to multiple directions, and provided at the free end so as to be connectable to a wire or an insulating case, and a plurality of fuse blow portions 14a-14e having output terminals 16-19 is stored and fixed into the insulating case.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a multi-slow blow fuse.

[0002]

2. Description of the Related Art Conventionally, vehicles, particularly automobiles, have been provided with a fuse block having a plurality of fuses between a battery and various electric components to prevent overcurrent. Such a fuse block has a bus bar and a connection terminal for forming a circuit, and a plurality of fuses are connected to the bus bar and the connection terminal by bolting or connector connection. That is, a plurality of fuses having different current interrupting capacities are assembled in the fuse block in accordance with the capacity of each circuit. Then, the fuse block incorporating the fuse is connected to an electric connection box, a vehicle electric wire, or the like by bolting connection or connector connection.

[0003]

However, in the fuse block, a plurality of fuses are fixed to the bus bar and the connection terminal by bolting or by a connector.
For this reason, there is a problem in that the number of connection points and the number of components are increased, and assembling workability is deteriorated. In addition, since many fuses are assembled, the size of the fuse block itself becomes large and the cost increases. Further, there is a problem that electrical connection reliability is lowered due to the large number of connection points. In addition, since a plurality of fuses having substantially the same shape are assembled, they may be erroneously assembled. There is also a problem that the structure becomes complicated. SUMMARY OF THE INVENTION It is an object of the present invention to provide a multi-slow blow fuse having good assembling workability, high electrical connection reliability, and no erroneous assembling.

It is another object of the present invention to provide a small-sized and low-cost multi-slow blow fuse having a small number of parts, a simple structure, and a low cost.

[0005]

According to one aspect of the present invention, there is provided a power supply bus bar having a power supply connection terminal provided so as to be connectable to at least one electric wire or fuse block. And a plurality of fuse blowout portions integrally formed with the bus bar portion and having an output terminal portion provided on the free end side so as to be connectable to an electric wire or a fuse block. The gist is that the fuse element is stored and fixed in the insulating case.

According to a second aspect of the present invention, in the multi-slow blow fuse according to the first aspect, at least two or more output terminals on the free end side of the fuse fusing portion are formed, and a space between the output terminals is formed. The gist is that the connection bus bar portion is integrally connected.

According to a third aspect of the present invention, a power supply connection terminal and an output terminal are formed at both ends of the fuse blowout portion and formed integrally with the fuse blowout portion and connectable to an electric wire or a fuse block. The gist is that a plurality of fuse elements are stored and fixed in one insulating case.

According to a fourth aspect of the present invention, there is provided a multi-slow blow fuse according to the first or second aspect,
The gist of the present invention is that the plurality of fuse blowing portions are formed so as to extend from at least two directions from the energizing bus bar portion.

According to a fifth aspect of the present invention, there is provided a multi-slow blow fuse according to the first or second aspect,
The gist of the present invention is that the plurality of fuse blowout portions are formed by being bent and raised from a current-carrying busbar portion.

According to a sixth aspect of the present invention, in the multi-slow blow fuse according to the first or second aspect,
The gist of the present invention is that the plurality of fuse blowout portions are formed to protrude in an arch shape from the energizing bus bar portion.

According to a seventh aspect of the present invention, in the multi-slow blow fuse according to any one of the first to sixth aspects, the power supply connection terminal is formed as a bolted terminal. That is the gist.

According to an eighth aspect of the present invention, in the multi-slow blow fuse according to any one of the first to sixth aspects, the power supply connection terminal is formed as a male terminal. Is the gist.

According to a ninth aspect of the present invention, in the multi-slow blow fuse according to any one of the first to sixth aspects, the connection terminal for power supply is formed as a female terminal. Is the gist.

According to a tenth aspect of the present invention, in the multi-slow blow fuse according to any one of the first to ninth aspects, the output terminal portion of the fuse blowing portion is formed as a bolted terminal. The gist is that

According to an eleventh aspect of the present invention, in the multi-slow blow fuse according to any one of the first to ninth aspects, the output terminal portion of the fuse blowing portion is formed as a male terminal. The point is that

According to a twelfth aspect of the present invention, in the multi-slow blow fuse according to any one of the first to ninth aspects, the output terminal of the fuse blowing portion is formed as a female terminal. The point is that

According to a thirteenth aspect of the present invention, in the multi-slow blow fuse according to any one of the first to ninth aspects, the output terminal group of the fuse fusing portion includes a bolted terminal and a female terminal. The gist is that the terminal is composed of two or more combinations selected from terminals and male terminals.

(Operation) According to the first aspect of the present invention,
The fuse element is formed by integrally forming an energizing bus bar portion having a power supply connection terminal and a plurality of fuse blowing portions having an output terminal portion. Therefore, simply by housing and fixing the fuse element in the insulating case, a circuit is formed in the case connected by the bus bar portion having the power supply connection terminal and the plurality of fuse blowout portions having the output terminal portion. .

According to the second aspect of the present invention, the first aspect is provided.
In addition to the effect of the invention described in the above, a connecting bus bar portion having an output terminal portion is formed on the free end side of the fuse blowing portion, and the fuse blowing portion and the output terminal portion are connected and formed from the bus bar portion. Have been. Therefore, it is possible to dispose the fuse blowing portion from the output terminal portion.

According to the third aspect of the present invention, each fuse blowout section has an independent power supply connection terminal and an output terminal section and is housed in one insulating case. A fuse blowing section having a single power supply connection terminal and a single output terminal section can be arranged.

According to the invention of claim 4, according to claim 1,
Alternatively, in addition to the function of the invention described in claim 2, since the fuse blowout portion is formed so as to protrude in at least two directions from the energizing bus bar portion, the fuse blown portion can be arranged along the same direction.

According to the fifth aspect of the present invention, the first aspect is provided.
Alternatively, in addition to the function of the invention described in claim 2, since the fuse blown portion is formed by being bent and raised from the energizing bus bar portion, the fuse blown portion can be arranged in the bent and raised direction. .

According to the invention described in claim 6, according to claim 1,
Alternatively, in addition to the function of the invention described in claim 2, since the fuse blowing portion is formed in an arch shape from the energizing bus bar portion, the fuse blowing portion is arranged in the direction in which the fuse blowing portion is formed in the arch shape. can do.

According to the invention of claim 7, according to claim 1,
In addition to the operation of the invention according to any one of claims 6 to 6, the power supply connection terminal may be tightened by bolts.
For example, a lead wire is fastened and fixed.

According to the invention described in claim 8, according to claim 1,
In addition to the function of the invention described in any one of claims 6 to 6, a female terminal is connected and fixed to the power supply connection terminal.

According to the invention of claim 9, according to claim 1,
In addition to the function of the invention described in any one of claims 6 to 6, a male terminal is connected and fixed to the power supply connection terminal.

According to the tenth aspect of the present invention, in addition to the function of the first aspect of the present invention, for example, a lead wire is connected to the output terminal portion by bolting. Tightened and fixed.

According to the eleventh aspect of the present invention, in addition to the function of any one of the first to ninth aspects, a female terminal is connected and fixed to the output terminal portion.
According to the twelfth aspect, in addition to the function of the first aspect, a male terminal is connected and fixed to the output terminal portion.

According to the thirteenth aspect of the present invention, in addition to the function of the first aspect of the present invention, the output terminal group includes a bolted terminal and a female terminal. , And male terminals, for example, a lead wire, a male terminal, and a female terminal suitable for each terminal are connected and fixed.

[0030]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS (First Embodiment) A first embodiment of the present invention will be described below with reference to FIGS.

As shown in FIGS. 1 to 4, the multi-slow blow fuse 1 includes a case body 2 in the form of a closed box made of an insulating synthetic resin, a lid body 3 made of an insulating synthetic resin,
And a fuse element 4 housed and fixed in the case body 2.

In FIG. 1, the direction parallel to the short side surface of the case main body 2 and the direction in which the fuse blowout portion 14a projects from the bus bar portion 13 described later is parallel to the longitudinal side surface of the case main body 2 in the X direction. The direction in which the fuse blowing portion 14d projects from the bus bar portion 13 and is orthogonal to the X direction is defined as the Y direction.

As shown in FIG. 5, the fuse element 4
Are integrally formed by punching a fuse metal plate material made of a Cu alloy, and a predetermined portion is bent. Thus, the bus bar portion 13 having the bent portion 13a and the input terminal 12 serving as one power supply connection terminal, the fuse blowing portions 14a to 14e, and the output terminal 15 serving as the output terminal portion are provided.
A connection bus bar portion 15 having a and 15b, an output terminal 16 as an output terminal portion, and output terminals 17 to 19 having bent portions 17a to 19a as output terminal portions are formed.

Since the fuses 14a to 14e have the same thickness and different widths, the fuses 14a to 14e have different cross-sectional areas and different lengths depending on the fuses 14a to 14e. Therefore, the current cutoff capacities of the fuse blowout portions 14a to 14e are different.

As shown in FIG. 1, the fuse blowout portions 14a and 14d formed in an inverted S-shape are integrally formed so as to extend from the bus bar portion 13 substantially in the X direction and the Y direction, respectively. Further, each of the fuse blowout portions 14 formed in an inverted S-shape.
b is formed so as to protrude from the bus bar portion 13 in a direction closer to the X direction than an intermediate direction between the X direction and the Y direction. Further, each of the fuse blowout portions 1 formed in an inverted S-shape.
4c is formed so as to protrude from the bus bar portion 13 in a direction closer to the Y direction than an intermediate direction between the X direction and the Y direction.

Each of the fuse blowing portions 14a, 14b, 1
On the free end side of 4c, 14d, a connecting bus bar portion 15 and output terminals 16, 17, 18 are integrally formed. Further, the fuse blowing portion 14 e formed in an inverted S-shape is formed integrally with the connecting bus bar portion 15 so as to extend substantially in the reverse X direction near the output terminal 16 of the connecting bus bar portion 15, The fuse blowing part 14e
The output terminal 19 is integrally formed on the free end side of the.

As shown in FIG. 5, a part of the bus bar part 13, a part of the connecting bus bar part 15, and each output terminal 1
7 to 19 are bent downward at right angles to the bus bar portion 13, the connecting bus bar portion 15 and the output terminals 17 to 19, so that the output terminals 15b and the respective bent portions 13
a, 17a to 19a are formed.

An engaging claw 20 is formed on the middle outer surface of the bent portion 13a, 17a to 19a toward the inner surface of the case body 2. Folding parts 13a, 17a-
19a, a step portion 21 is formed below the locking claw 20 so as to be bent in a direction parallel to the respective surfaces and in a direction opposite to the inner surface of the adjacent case body 2.

The input terminal 12, the output terminals 15a, 15
b, 16 have circular through holes 12a, 15c, 15
d, 16a are formed. As shown in FIGS. 1, 3, and 4, the fuse element 4 is housed and fixed in a first recess 22 formed in an upper portion of the case main body 2.
On the bottom surface of the first concave portion 22, at positions corresponding to the bent portions 13 a, 17 a to 19 a of the fuse element 4,
Each through-hole 23 is formed, and each bent portion 13
a, 17a to 19a protrude downward through the through hole 23. In each of the bent portions 13a, 17a to 19a, a portion protruding from the lower surface of the case body 2 is
It is a male terminal.

The locking claw 20 of each of the bent portions 13a, 17a to 19a is engaged and locked on the lower surface of a locking step 24 formed in the middle of the through hole 23 of the case body 2. In the case body 2, a through hole 25 is formed at a position corresponding to the output terminal 15 b of the fuse element 4, and the output terminal 15 b projects downward through the through hole 25.

As shown in FIG. 3 and FIG.
In the vicinity of the through holes 23 respectively corresponding to the bent portions 13a, 19a on the lower side surface, female connector housings 26, 27 formed in a box shape project downward from the lower side surface of the case body 2. Have been. Also, the case body 2
Hole 2 corresponding to both bent portions 17a, 18a on the lower side surface of
In the vicinity of 3, a female connector housing 28 formed in a box shape so as to surround both through holes 23 is formed to protrude downward from the lower surface of the case main body 2.

As shown in FIG. 3 and FIG.
In the vicinity of the through hole 25 on the lower surface, a protruding portion 29 having a channel shape in cross section that opens in the X direction is formed to protrude longer than the output terminal 15b, and the inner surface of the output terminal 15b is formed by a groove of the protruding portion 29. It is in contact with the bottom surface 29a.

As shown in FIG. 1 and FIG.
In the above, the bolt 5 is inserted into the through-hole 12a of the input terminal 12 from below the through-hole 12a and tightened with the nut 6 having the flat washer and the spring washer, and the connection terminal of the lead wire is tightened and fixed by both. (Shown by a two-dot chain line in FIG. 1). The input terminal 12 is formed as a bolted terminal into which the bolt 5 screwed into the nut 6 is inserted.

In the case body 2, a bolt 7 having a flat washer and a spring washer is inserted through a through hole 15 d of the output terminal 15 b, a through hole 15 c of the output terminal 15 a, and a through hole 16 a of the output terminal 16, and a nut 6 is inserted. And the connection terminal of the lead wire is fastened and fixed by both (only the output terminal 15b is shown by a two-dot chain line in FIG. 4).
Each of the output terminals 15a, 15b, 16 is formed as a bolted terminal through which a bolt 7 or the like screwed to the nut 6 is inserted.

On the upper side of the case main body 2, the second recess 22, which is deeper than the first recess 22, is located inside the first recess 22.
A recess 30 is formed. Partition walls 31a to 31d made of an insulating synthetic resin are formed so as to protrude from the bottom of the second concave portion 30 so as to be at the same height as the upper side surface of the case body 2, and the fuse blowing portions 14a are formed by the partition walls 31a to 31d. To 14e.

As shown in FIG. 1 and FIG.
Step portions 32 are formed along the Y direction on both side edges of the upper surface of the device located in the X direction. A pair of locking claws 32a are formed on each side of the case body 2 to protrude outward corresponding to the steps 32. And the locking claw 32 is provided on the lid 3.
The cover 3 is detachably engaged with the engaging claw 32a.

As shown in FIG. 2, the lid 3 has a bus bar 1
3, output terminals 15a, 16 and fuse blowing part 14a
14e are rectangular through holes 3 respectively.
4, 35, a through hole 36 having an inverted L-shape is formed.
Therefore, even when the lid 3 is engaged with the case main body 2, a lead wire (not shown) is connected to the bus bar portion 13 and the output terminals 15 a and 16 (only the bus bar portion 13 is a two-dot chain line in FIG. 2). ).

The case body 2 and the lid 3 constitute an insulating case. The circuit diagram of the fuse element 4 is as shown in FIG. Next, a method of assembling the multi-slow blow fuse 1 configured as described above will be described.

As shown in FIG.
The bent portion 19a, the output terminal 15b, and the bent portions 13a, 17a, 18a (not shown) are inserted into the through holes 23, 25, respectively. Then, each bending part 13a, 17a-
The locking claw 19 a is engaged with the locking step 24 of the through hole 23 of the case body 2 and locked. At this time, the fuse element 4 is stored and fixed in the first concave portion 22 of the case main body 2.

Next, as shown in FIG.
A connection terminal of a lead wire as shown by a two-dot chain line is inserted into the bolt 5 at the position of the input terminal 12 and tightened and fixed by the nut 6. Further, as shown in FIG. 4, connection terminals of lead wires as shown by two-dot chain lines are fastened and fixed to the output terminals 15b by bolts 7 with respect to the output terminals 15a, 15b, 16 respectively. As shown in FIG. 4, a male connector indicated by a two-dot chain line is connected and fixed to the female connector housing 27 near the bent portion 19a. Also, corresponding male connectors (not shown) are connected and fixed to the female connector housings 26 and 28, respectively.

When the cover 3 is put on the case body 2, the locking claws 32 a of the case body 2 and the through holes 33 of the cover 3 are formed.
Are engaged and locked, so that the lid 3 is engaged and fixed to the case main body 2. According to the first embodiment, the following effects can be obtained.

(1) In this embodiment, the fuse element 4 is integrally formed by punching a fuse metal plate made of a Cu alloy, and a predetermined portion is bent. Thereby, the connection having the bent portion 13a and the bus bar portion 13 having the input terminal 12 as one power supply connection terminal, the fuse blowout portions 14a to 14e, and the output terminals 15a and 15b as output terminal portions. An output terminal 16 as an output terminal portion, and output terminals 17 to 19 having bent portions 17a to 19a as output terminal portions are formed.

Accordingly, as compared with the case where a plurality of fuses are fixed to the bus bar portion and the connection terminal by bolting or joining with a connector, the number of parts to be connected is smaller, so that assembling workability can be improved and electrical connection can be made. Reliability can be increased. Also, there is no case where other parts are mistakenly assembled.

(2) In the present embodiment, the fuse blowing portions 14a and 14d formed in an inverted S-shape are
, And are formed so as to extend integrally in substantially the X direction and the substantially Y direction, respectively. In addition, each fuse blowing portion 14b formed in an inverted S-shape is formed so as to protrude from the bus bar portion 13 in a direction closer to the X direction than an intermediate direction between the X direction and the Y direction. Further, each fuse blowing portion 14c formed in an inverted S-shape is formed to protrude from the bus bar portion 13 in a direction closer to the Y direction than an intermediate direction between the X direction and the Y direction.

Therefore, the fuse blown portion 1 extends along the same direction.
4a to 14e can be arranged. Further, the degree of freedom in forming the circuit of the fuse element is increased, and the circuit can be formed small and efficiently.

(3) In this embodiment, since the number of parts is reduced, the structure is simplified, and the size and cost can be reduced. (4) In the present embodiment, the second concave portion 3 of the case main body 2
0, the partition walls 31a to 31d made of insulating synthetic resin are formed so as to protrude from the bottom so as to be at the same height as the upper side surface of the case body 2, and the fuse blowing sections 14a to 14e are respectively formed by the partition walls 31a to 31d. It is partitioned.

Therefore, when at least one of the fuse blowing sections 14a to 14e is blown by an overcurrent, it is possible to prevent sparks due to the blowing from adversely affecting other fuse blowing sections. (Second Embodiment) Next, a second embodiment of the present invention will be described with reference to FIGS.

As shown in FIGS. 8 and 9, the multi-slow blow fuse 40 includes a case body 41 having a closed box shape as an insulating case made of an insulating synthetic resin, and an insulating material inserted into the case body 41. An arrangement table 42 made of synthetic resin and a fuse element 43 housed and fixed in the arrangement table 42 are provided.

In the present embodiment, the X axis is taken in a direction parallel to the width direction of the case body 41, the Y axis is taken in a direction parallel to the depth, and the Z axis is taken in a direction parallel to the height direction. As shown in FIG. 8, the fuse element 43
A fuse metal plate made of a u alloy is integrally formed by punching, and a predetermined portion is bent. Thus, a bus bar portion 51 having one input terminal 50 as a power supply connection terminal, fuse blowing portions 52a to 52c, and three output terminals 54a to 54c as output terminal portions are formed. .

As shown in FIG. 8, a short plate portion of the bus bar portion 51 having a flat L-shape serves as an input terminal 50. At both ends and a substantially intermediate portion of the long plate portion of the bus bar portion 51, on the side opposite to the side on which the input terminal 50 is formed,
The first to third connecting portions 53a to 53c having a substantially square shape are formed by bending and raising in the reverse Z direction integrally. The first connecting portion 53a and the second connecting portion 53b are arranged in this order from the side closer to the input terminal 50.
And a third connecting portion 53c.

The S-shaped fuse blowing portions 52a to 52
c is integrally formed in the reverse Z direction from the first to third connecting portions 53a to 53c, respectively. Each output terminal 54a-54 is connected to the free end side of the fuse blown portion 52a-52c.
c is formed integrally. Note that the fuse blown portion 52
a to 52c are input terminals 50 and output terminals 54a to 54c.
4c, the cross-sectional area is smaller than that of the input terminal 50 and each of the output terminals 54a to 54c because the thickness is the same and the width is narrower. Each of the fuse blowing portions 52a-
The fuses 52c have the same length, the same thickness, and the same width, so that the fuses 52a to 52c have the same current interrupting capacity.

The output terminal 54b is formed in a substantially square shape, and the length of one side is substantially half of the length of the longitudinal side portions of both output terminals 54a and 54c. Both output terminals 54
The male terminal extends from the distal end side of a and 54c to the vicinity of the center.

The input terminal 50 has a circular through hole 56.
Is formed, and the input terminal 50 is formed as a bolted terminal through which a bolt (not shown) is inserted to tighten a nut (not shown). Also, the output terminal 54b
Is formed with a circular through-hole 57, and the output terminal 54b is formed as a bolted terminal through which the bolt 55 is inserted and the nut 58 is tightened.

A through hole 59 is formed at the center of the first to third connecting portions 53a to 53c and at the side ends of the two output terminals 54a and 54c near the bus bar portion 51. As shown in FIG. 10, the fuse element 43 is in contact with the placement table 42 and the placement table 42 in contact with the fuse element 43.
Are stored and arranged in the case body 41.

As shown in FIG. 8, the length of the mounting table 42 in the Y direction is substantially the same as the length in the Y direction of the long plate portion of the bus bar portion 51 of the fuse element 4. The length of the placement table 42 in the X direction is 5
1 is formed to have substantially the same length as the length in the X direction. In addition, the length of the mounting table 42 in the Z direction is
Is formed to have substantially the same length from the lower surface side to the tip end surface of the output terminal 54b.

The retaining table 42 has a retaining projection 60 at a position corresponding to each through hole 59 of the fuse element 43.
Are projected, and the retaining projection 60 is inserted into the through hole 59. As a result, the fuse element 43 is prevented from falling out of the placement table 42. The mounting table 42 has a through hole 5 of the fuse element 43.
A nut 58 is embedded at a position corresponding to 7, and the bolt 55 is screwed in through the output terminal 54 b, so that the bus bar portion 51 is fastened and fixed to the placement table 42.

Further, a concave groove 61 is formed in the placement table 42 at a position corresponding to the fuse blown portions 52a to 52c of the fuse element 43 in the X direction, and a space is provided near the fuse blown portions 52a to 52c. Is provided. At the bottom of both end surfaces in the X and anti-X directions of the placement table 42,
A locking claw 62 is formed.

As shown in FIG. 10, the case body 41 is
In a state where the fuse element 43 and a lead wire (not shown) are fastened and fixed to the mounting table 42 by bolts 55, a space is provided for accommodating the mounting table 42.

As shown in FIG. 9, the case main body 41 is provided with through holes 64 at the lower portions of both side walls in the X and anti-X directions.
It is detachably engaged with both locking claws 62 of the placement table 42. The inner surface of the case body 41 on the Y direction side is
The mounting table 42 is in contact with a side surface 63 on the Y direction side. The lower portion of the fuse element 43 from near the center of the output terminals 54a and 54c protrudes downward from the case body 41 and functions as a male terminal.

As shown in FIG. 10, in the case body 41, on the inner surface adjacent to the tip of the retaining projection 60, a projecting step 65 abutting on the distal end of the retaining projection 60 is provided.
Is formed, and the side surface 63 is brought into contact with the side surface of the case body 41 on the Y direction side, thereby preventing backlash.

As shown in FIGS. 8 and 9, a fuse element 4 is provided on one side wall of the case body 41 in the direction opposite to the Y direction.
At a position corresponding to the third output terminal 54b, a door portion 66 that can be opened and closed outward through a thin hinge is integrally provided. As a result, when the door 66 is opened, the bolt 55 can be screwed into the nut 58 through the through hole 57.

In the door portion 66, a locking claw 68 is formed near the center of the side facing the side 67.
When the door 66 is closed, the door 66 is locked to the case body 41.

Further, a slit 69 is formed in the Y direction side wall of the case main body 41 from the lower end to the upper end of the reverse X direction side portion, and the fuse 69 mounted on the mounting table 42 through the slit 69 is formed. The element 43 projects outside. Next, a method of assembling the multi-slow blow fuse 40 configured as described above will be described.

As shown in FIG. 8, the fuse element 4
3 while inserting the through-holes 59 into the retaining projections 60 of the mounting table 42,
To be fixed. Next, the mounting table 42 is inserted into the case body 41 while the input terminal 50 of the fuse element 43 is projected from the case body 41 through the slit 69. Then, as shown in FIG. 10, the placing stand 42 and the retaining protrusion 60 formed on the placing stand 42 are
Is inserted into the inner space of the case main body 41 narrowed by. Then, when the both locking claws 62 of the placement table 42 engage with the through holes 64 of the case body 41, the placement table 42 is stored and fixed in the case body 41 (see FIG. 9).

As shown in FIG. 9, for example, a lead wire (not shown) is arranged at the output terminal 54b, and the bolt 55 is connected to the nut 5 via the output terminal 54b and the lead wire (not shown).
8, the lead wire (not shown) is fastened and fixed to the output terminal 54b. Then, close the door 66,
The locking claws 68 of the door 66 are engaged with the case main body 41 to fix the door 66 to the case main body 41.
Thereafter, for example, a connection terminal of a lead wire (not shown) is disposed in the through hole 56 of the input terminal 50, and the connection terminal is tightened and fixed by a bolt (not shown) and a nut (not shown). Then, the output terminals 54a and 54c are connected and fixed to a female terminal (not shown). According to the second embodiment, the following effects can be obtained.

(1) In the present embodiment, the fuse element 43 is integrally formed by punching out a fuse metal plate made of a Cu alloy, and a predetermined portion is bent to form an input terminal as one power supply connection terminal. A bus bar portion 51 having a plurality of fuse blowing portions 52a to 52c;
Output terminals 54a to 54c are formed as individual output terminals.

Therefore, the fuse blowing portions 52a to 52c can be arranged along the direction in which the fuses are bent and raised. Also, compared to connecting and fixing a plurality of fuses to the bus bar part and the connection terminal with bolts or connectors,
Since the number of parts to be connected is small, assembling workability can be improved, and electrical connection reliability can be improved. In addition, no other parts are mistakenly assembled.

(2) In the present embodiment, the fuse blowing portions 52a to 52c are formed by bending the bus bar portion 51 in the reverse Z direction. Therefore, the fuse blowout portions 52a to 52c can be arranged in the direction in which they are bent and raised. Further, the degree of freedom in forming the circuit of the fuse element is increased, and the circuit can be formed small and efficiently.

(3) In this embodiment, the number of parts is reduced, so that the structure is simplified, and the size and cost can be reduced. (Third Embodiment) Hereinafter, a third embodiment of the present invention will be described with reference to FIGS.

As shown in FIGS. 11 and 13, the multi-slow blow fuse 70 is made of a box body 71 having a bottomed box shape made of an insulating synthetic resin, and an insulating synthetic resin slightly larger than the case body 71. It has a lid 72 in the shape of a closed box and a fuse element 73 housed and fixed in the case body 71.

In this embodiment, the X axis is in a direction parallel to the longitudinal direction of the case main body 71, the Y axis is in a direction parallel to the short direction of the case main body 71 and orthogonal to the X direction, and the height of the case main body 71 is high. The Z axis is set in a direction parallel to the vertical direction.

As shown in FIG. 11, the fuse element 73 is integrally formed by punching out a fuse metal plate made of a Cu alloy, and a predetermined portion is bent to form an input terminal 74 as one power supply connection terminal. , A fuse blowout portion 76a to 76c, and each output terminal 77a to 77c as an output terminal portion are formed. As shown in FIG.
Reference numeral 3 denotes a rectangular bus bar portion 75 to an L-shaped connecting portion 82b, a fuse blowing portion 76a, and an L-shaped connecting portion 82a.
And an output terminal 77a having a substantially square shape. The fuse element 73 is connected to the input terminal 7.
4, the L-shaped connecting portion 83b, the fuse blowing portion 76b, the L-shaped connecting portion 83a, and the rectangular output terminal 77b are connected in this order. The output terminal 77
“b” corresponds to a connecting bus bar portion. Further, the fuse element 73 is connected in the order of an L-shaped connecting portion 84a, a fuse blowing portion 76c, an L-shaped connecting portion 84b, and a substantially square-shaped output terminal 77c from the extension direction of the output terminal 77b. The bus bar portion 75 and the output terminal 77b, and the output terminal 77a and the output terminal 77c are located on the same plane. As a result, an arch-shaped arch portion 96 is formed by the connecting portion 82a, the fuse blowing portion 76a, and the connecting portion 82b, and an arch-shaped arch portion 97 is formed by the connecting portion 83a, the fuse blowing portion 76b, and the connecting portion 83b. ing. The connecting portion 84a, the fuse blowing portion 76c, and the connecting portion 84b form an arch-shaped arch 98. Therefore, the fuse element 73 is formed in an arch shape.

Since the width and thickness of each of the fuse blowout portions 76a to 76c are the same, the cross-sectional areas are also the same. Further, since the lengths of the fuse blowout portions 76a to 76c are the same, the current interrupting capacities of the fuse blown portions 76a to 76c are also the same.

As shown in FIGS. 12 and 13, the terminals 74, 77a to 77d of the fuse element 73 are
Through holes 86a-8 formed in bottom wall 85 of case body 71
6d is loosely fitted. In the case body 71, a step portion 99 is formed below the through holes 86a to 86d, and the terminals 74, 77a to 77d are formed with respect to the step portion 99.
Are in contact with each other. Below the through-holes 86a to 86d, a mounting space S having a downward opening is formed on both sides of the case main body 71 in the Y and anti-Y directions. Can be opened and closed by a door portion 89 having a U-shaped cross section which is connected to be openable and closable via a thin hinge 90.

Terminal 7 penetrating through holes 86a-86d
4, 77a to 77d are exposed in the mounting space S. Locking claws 80, 81 are provided on the terminals 74, 77b.
Are formed by cutting and raising, and the tips of the locking claws 80 and 81 are formed with through holes 8.
6b and 86c are extended so as to be able to be locked on the peripheral edge of the lower opening. The locking claw 80, 81 allows the fuse element 7
Numeral 3 is not allowed to slip out of the case body 71. Engagement grooves 87a, 87b are formed at positions of the through holes 86b, 86c corresponding to the locking claws 80, 81 along the extending direction of the through holes 86b, 86c.
When the terminals 3 are inserted into the through holes 86a to 86d, the locking claws 80 and 81 are guided and allowed to pass.

As shown in FIG. 11, the input terminal 74 and the output terminal 77d have through holes 79a, 79
b is formed. The output terminals 77b and 77c are formed with through holes 79c and 79d having the same axis.

As shown in FIG. 13, nuts 88 are embedded in the case body 71 at positions corresponding to the through holes 79a to 79d.
By screwing into each nut 88 via a to 79d,
The fuse element 73 is fixedly fastened to the case body 71. The input terminal 74 and the output terminals 77a to 77
c is formed as a bolted terminal through which a bolt 78 or the like screwed into the nut 88 is inserted.

As shown in FIGS. 11 and 12, a pair of partition walls 91 extend from the bottom surface 85a of the case body 71 in the Z direction.
a, 91b are formed so as to protrude, and each of the arch portions 96 to 9
8 are sectioned respectively. Locking claws 92 are formed on the upper portions of both outer portions of the case body 71 on the X and anti-X directions, and penetrating holes formed on the lower portions of both outer portions of the lid body 72 on the X and anti-X directions. The hole 94 is engaged and locked. As a result, the lid 72 is detachably engaged with the case body 71.

A projecting portion 93 having a channel-shaped cross section is formed around the through holes 94 and serves as a handle for removing the cover 72 from the case body 71. The case body 71 and the lid 72 constitute an insulating case. Next, a method of using the multi-slow blow fuse 70 configured as described above will be described.

As shown in FIG. 11, the input terminal 74 and the output terminals 77a to 77c of the fuse element 73 are connected to the through holes 8 of the case body 71 against the elasticity of the locking claws 80 and 81.
6a to 86d, the two terminals 74, 7
The locking claws 80, 81 of 7b are bent inward against their own elasticity and inserted into the engagement grooves 87a, 87b. Then, the front end surface of the fuse element 73 comes into contact with the step portion 99, and the front ends of the locking claws 80, 81 extend outward by elasticity below the lower surface of the lower opening peripheral edge after passing through the through holes 86b, 86c. . As a result, the locking claws 80, 81 make it impossible for the output terminals 77a, 77b to escape from the through holes 86a, 86c.

Next, when the lid 72 is fitted to the case main body 71, the both locking claws 92 of the case main body 71 and the two through holes 94 of the lid 72 are engaged with each other. Then, the lid 72 is engaged and fixed to the case main body 71, and the state shown in FIG. 14 is obtained.

Then, as shown in FIG.
9 is opened, for example, each lead wire as shown by a two-dot chain line is positioned in each through hole 79a-79d, and each nut 78 is inserted through the connection terminal of each lead wire and each through hole 79a-79d. And screwed into it.

Then, both doors 89 are closed. According to the third embodiment, the following effects can be obtained.

(1) In this embodiment, the fuse element 73 includes a bus bar portion 75 having one input terminal 74 as a power supply connection terminal, and a fuse blowing portion 76a.
To 76c and output terminals 77a to 77c as output terminal portions.
7c is integrally formed by stamping and forming a fuse metal plate material made of a Cu alloy, and a predetermined portion is bent. Therefore, since the number of parts to be connected is small, assembling workability can be improved, and electrical connection reliability can be improved. Also, there is no case where other parts are mistakenly assembled.

(2) In this embodiment, the fuse element 73 is formed in an arch shape. Therefore, the fuse blowing portions 76a to 76c
Can be arranged. Further, the degree of freedom in forming the circuit of the fuse element is increased, and the circuit can be formed small and efficiently.

(3) In this embodiment, the number of components is reduced, so that the structure is simplified, and the size and cost can be reduced. (4) In the present embodiment, inside the case body 71,
Partition walls 91a and 91b are formed for partitioning the fuse blowing portions 76a to 76c, respectively. Therefore, when at least one of the fuse blowout portions 76a to 76c blows due to an overcurrent, it is possible to prevent sparks due to the blowout from adversely affecting other fuse blowout portions. (Fourth Embodiment) Hereinafter, a fourth embodiment of the present invention will be described with reference to FIGS.

As shown in FIGS. 15 and 16, the multi-slow blow fuse 110 is a flat block-shaped case body 111 having square hexagonal surfaces made of insulating synthetic resin.
And a box-shaped lid 112 made of an insulating synthetic resin that is slightly larger than the case body 111;
1 and a fuse element 113 housed and fixed to the fuse element 113.

In this embodiment, the X axis and the case main body 11 are arranged in a direction parallel to the longitudinal direction of the case main body 111.
1, the Y axis is set in a direction parallel to the short direction and orthogonal to the X direction, and the Z axis is set in a direction parallel to the height direction of the case main body 111. As shown in FIG. 11, the three fuse elements 113 are integrally punched and formed from a fuse metal plate material made of a Cu alloy, and are bent at predetermined portions to form an overall arch. Thus, the input terminal 11 having the bent portion 114a as one power supply connection terminal
4, a fuse blown portion 115, and an output terminal 116 having a bent portion 116 a as an output terminal portion.

As shown in FIG.
5, both ends in the Y-direction and the opposite Y-direction
a and 117b via the input terminal 114 and the output terminal 116.
Connected to each other.

Since the fuse blowout portions 115 of the three fuse elements 113 have the same width, the same thickness and the same length, they have the same sectional area and the same current interrupting capacity.

As shown in FIGS. 15 and 16, the bent portions 114a and 116a of the fuse elements 113 are provided.
Are through holes 118 and 119 formed in the case body 111.
The portion which is loosely fitted to the protruding portion from the lower surface of the case main body 111 is a male terminal.

A locking claw 120 is formed on the middle outer surface of the bent portions 114a and 116a toward the outer surface of the case body 111.
Are engaged and locked on the lower surface of a locking step 121 formed in the middle of the through holes 118 and 119 of the case body 111.

Below the locking claw 120, the bent portions 114a and 116a have step portions 122 bent in the X direction and the reverse X direction, respectively.
Each of the step portions 122 is in contact with the inner surface of the through hole 118 or 119.

The input terminal 114 and the output terminal 116 are formed with through holes 123, respectively. Case body 11
Positioning protrusions 124 are provided at positions corresponding to the respective through holes 123 in FIG. 1, and the positioning protrusions 124 are inserted through the through holes 123. As a result, the fuse element 113 is positioned with respect to the case main body 111.

On the upper surface of the case body 111,
A concave portion 125 is formed at a position of the fuse element 113 corresponding to each fuse blowing section 115, and a space is provided near each fuse blowing section 115.

A pair of partition walls 126a and 126b are formed so as to protrude from the upper side surface of the case body 111 in the Z direction, and each of the fuse blowout portions 115 is partitioned. As shown in FIG.
A pair of locking claws 127 are formed at the center of both outer portions on the direction side (the locking claws 127 on the X direction side are not shown).

As shown in FIG. 16, a step 128 is formed on the entire inner peripheral surface of the lid 112. When the lid 112 is fitted to the case main body 111, the step 128 is attached to the case main body 111. Is in contact with the upper surface.

As shown in FIG. 15 and FIG.
2, two locking claws 1 are provided at the center of both outer portions on the X and anti-X directions.
A pair of through-holes 129 are formed to engage with and lock with the locking claw 127, and the lid 112 is detachably engaged with the locking claw 127.

The case main body 111 and the lid 112 constitute an insulating case. According to the fourth embodiment, the following effects can be obtained.

(1) In this embodiment, since each fuse blowout portion has an independent power supply connection terminal and an output terminal portion, each fuse blowout portion has a single power supply connection terminal and an independent output terminal portion. A fusing section can be arranged.

(2) In the present embodiment, the fuse element 4 is integrally formed by punching a fuse metal plate made of a Cu alloy, and a predetermined portion is bent. Thereby, the input terminal 114 having the bent portion 114a as one power supply connection terminal, the fuse blowing portion 115, and the output terminal 11 having the bent portion 116a as the output terminal portion are provided.
6 are formed.

Accordingly, as compared with the case where a plurality of fuses are connected to the bus bar portion and the connection terminal by bolting or fixed by a connector, the number of connection portions of the components is small, so that the assembling workability can be improved and the electrical connection can be made. Reliability can be increased.

(3) In this embodiment, the number of components is reduced, so that the structure is simplified, and the size and cost can be reduced. (4) In the present embodiment, partition walls 126a and 126b are formed on the upper side surface of the case main body 111 to partition the respective fuse blown portions 115. Therefore,
If at least one of the fuse blowout portions 115 blows due to overcurrent, it is possible to prevent sparks due to the blowout from adversely affecting other fuse blowout portions. The above embodiments of the present invention may be modified as follows.

The input terminal 12, the output terminals 15a, 15b, 16 of the first embodiment, the input terminal 50, the output terminal 54b of the second embodiment, and the input terminal 7 of the third embodiment.
4. Although the output terminals 77a to 77c are formed as bolted terminals, they may be formed as female terminals or male terminals. Even with such a configuration, the same effects as those of the corresponding embodiments can be obtained.

The bent portions 13a and 17a of the first embodiment
Although the output terminals 54a and 54c of the second embodiment and the bent portions 114a and 116a of the fourth embodiment are formed as male terminals, they may be formed as bolted terminals or female terminals. Even with such a configuration, the same effects as those of the corresponding first, second, and fourth embodiments can be obtained.

The input terminal 12, the output terminals 15a, 15b, 16 and the bent portions 13a, 17a to of the first embodiment.
19a may be configured by a combination of two or more selected from a bolted terminal, a female terminal, and a male terminal. Even with such a configuration, the same effect as in the first embodiment can be obtained.

The input terminal 50 and the output terminals 54a to 54c of the second embodiment may be constituted by a combination of two or more selected from a bolted terminal, a female terminal, and a male terminal. Even with such a configuration, the same effect as in the second embodiment can be obtained.

The input terminal 74 and the output terminals 77a to 77c of the third embodiment may be constituted by a combination of two or more selected from a bolted terminal, a female terminal, and a male terminal. Even with such a configuration, the same effects as in the third embodiment can be obtained.

The bent portions 114a and 11 of the fourth embodiment
6a may be configured by a combination of two or more selected from a bolted terminal, a female terminal, and a male terminal. Even with such a configuration, the same effects as in the fourth embodiment can be obtained.

In the first embodiment, the input terminal 12 is a connection terminal for power supply. However, the input terminal 12, the output terminals 15a, 15b, 16 and the bent portions 13a, 17a to 1a are used.
At least one of the terminals 9a may be a power supply connection terminal. In this case, the same effects as those of the first embodiment can be obtained, and the degree of freedom in circuit formation can be improved.

In the second embodiment, the input terminal 50 is a power supply connection terminal. However, at least one of the input terminal 50 and the output terminals 54a to 54c may be a power supply connection terminal. In this case, the same effects as those of the second embodiment can be obtained, and the degree of freedom in circuit formation can be improved.

In the third embodiment, the input terminal 74 is used as the power supply connection terminal. However, at least one of the input terminal 74 and the output terminals 77a to 77c may be used as the power supply connection terminal. In this case, the same effects as those of the third embodiment can be obtained, and the degree of freedom in circuit formation can be improved.

In the fourth embodiment, the bent portion 114a is used as a power supply connection terminal, but the bent portion 116a may be used as a power supply connection terminal. In this case, the same effects as in the fourth embodiment can be obtained, and the degree of freedom in circuit formation is improved.

In each of the above embodiments, the number of terminals and the number of fuse blowout portions are not limited to those of the above embodiments, and any number may be formed. In this case, the same effects as those of the above-described embodiments can be obtained, and an arbitrary number of terminals and fuse blowing portions can be formed so as to protrude.

In the first embodiment, the fuse blowing portions 14a and 14d are formed so as to extend integrally from the bus bar portion 13 in substantially the X direction and the Y direction, respectively. In addition, the fuse blowing portion 14b is moved toward the direction closer to the X direction than the intermediate direction between the X direction and the Y direction.
Overhang is formed. Further, the fuse blowing section 14
c is formed so as to protrude from the bus bar portion 13 in a direction closer to the Y direction than an intermediate direction between the X direction and the Y direction.

However, the number of fuse blown portions and the direction in which the fuse blown portions protrude from the bus bar portion 13 are not limited thereto, and the number of fuse blown portions and the direction in which the fuse blow portions protrude from the bus bar portion 13 are changed. You may. By doing so, the same effects as in the first embodiment can be obtained, and
An arbitrary number of fuse blown portions can be formed so as to protrude from the bus bar portion 13 in an arbitrary direction.

In the fourth embodiment, the number of fuse elements 113 housed and fixed in the insulating case is three. However, the present invention is not limited to this, and any number of fuse elements 113 may be housed and fixed. Even in this case, the same effect as in the fourth embodiment can be obtained.

In the second embodiment, the partition walls 91a and 91b as in the third embodiment are provided between the fuse blowing portions 52a and 52b and between the fuse blowing portions 52b.
Alternatively, it may be formed so as to be located between b and the fuse blowing portion 52c. In this case, the same effects as (1) to (3) of the second embodiment and (4) of the third embodiment can be obtained.

In the above embodiments, the output terminal or the bent portion as the output terminal portion is formed on the free end side of the fuse blown portion. However, an electric wire is soldered to the free end side of the fuse blown portion, for example. Connection may be fixed. Even with such a configuration, the same effects as those of the corresponding embodiments can be obtained.

In each of the above embodiments, the length and the cross-sectional area of each of the fuse blowout portions are not limited to the above embodiments, but may be changed. With this configuration, the same effects as those of the above embodiments can be obtained, and the current interrupting capacity of each fuse blown portion can be arbitrarily changed.

In the above embodiments, the material of the fuse element is not limited to a fuse metal plate made of a Cu alloy, but may be a Zn alloy, an Ag alloy or the like.

In each of the above embodiments, the method of fixing the fuse element to the insulating case is not limited to the above method. For example, a fixing method using an insert or the like without a locking portion may be used. Good.

[0133]

As described in detail above, according to the first aspect of the present invention, only by housing and fixing the fuse element in the insulating case, the power supply connection terminal having the power supply connection terminal in the case is provided. A circuit in which the bus bar portion and the output terminal portion are connected and fixed by a plurality of fuse blowing portions can be formed. Therefore, assembling workability is better, electrical connection reliability is higher, and erroneous assembly can be prevented as compared with the related art. In addition, the number of parts is reduced,
The structure can be simplified, the size can be reduced, and the manufacturing cost and the assembling cost can be reduced.

According to the second aspect of the present invention, the first aspect is provided.
In addition to the effects of the invention described in (1), since the fuse blowing portion is integrally formed with the connecting bus bar portion, the fuse blowing portion can be arranged from the connecting bus bar portion.

According to the third aspect of the present invention, each of the fuse blowout portions has an independent power supply connection terminal and an independent output terminal portion. Can be arranged.

According to the invention set forth in claim 4, according to claim 1,
Alternatively, in addition to the effect of the invention described in claim 2, since the fuse blowout portion projects from at least two directions from the energizing bus bar portion, the fuse blowout portion can be arranged along the same direction. Further, the degree of freedom in forming the circuit of the fuse element is increased, and the circuit can be formed small and efficiently.

According to the invention set forth in claim 5, according to claim 1,
Or, in addition to the effect of the invention described in claim 2, since the fuse blown portion is bent and raised from the energizing bus bar portion,
The fuse blown portion can be arranged in the bent and raised direction. Further, the degree of freedom in forming the circuit of the fuse element is increased, and the circuit can be formed small and efficiently.

According to the invention set forth in claim 6, claim 1 is provided.
Alternatively, in addition to the effect of the second aspect of the present invention, since the fuse blowing portion is formed to protrude in an arch shape from the energizing bus bar portion, the fuse fusing portion is arranged in the direction in which the fuse blowing portion is formed to protrude in the arch shape. be able to. Further, the degree of freedom in forming the circuit of the fuse element is increased, and the circuit can be formed small and efficiently.

According to the seventh aspect of the present invention, the first aspect is provided.
In addition to the effects of the invention according to any one of claims 6 to 6, the connection terminal for power supply is tightened by bolts.
For example, a lead wire can be tightened and fixed.

According to the invention described in claim 8, claim 1 is provided.
In addition to the effects of the invention according to any one of claims 6 to 6, a female terminal can be connected and fixed to the power supply connection terminal.

According to the ninth aspect of the present invention, the first aspect is provided.
In addition to the effects of the invention according to any one of claims 6 to 6, a male terminal can be connected and fixed to the power supply connection terminal.

According to the tenth aspect of the present invention, in addition to the effects of the first aspect of the present invention, for example, a lead wire is provided on the output terminal portion by bolting. Can be tightened and fixed.

According to the eleventh aspect, in addition to the effect of the first aspect, a female terminal can be connected and fixed to the output terminal portion. According to the twelfth aspect, in addition to the effects of the first aspect, a male terminal can be connected and fixed to the output terminal portion.

According to the thirteenth aspect of the present invention, in addition to the effects of the first aspect of the present invention, the output terminal group includes a bolted terminal and a female terminal. , And male terminals, so that, for example, a lead wire, a male terminal, and a female terminal suitable for each terminal can be connected.

[Brief description of the drawings]

FIG. 1 is a plan view of a multi-slow blow fuse without a lid according to a first embodiment.

FIG. 2 is a plan view of the multi-slow blow fuse according to the first embodiment.

FIG. 3 is a bottom view of the multi-slow blow fuse according to the first embodiment.

FIG. 4 is a sectional view taken along line AA in FIG. 1;

FIG. 5 is a schematic perspective view of a fuse element according to the first embodiment.

FIG. 6 is a sectional view taken along line BB in FIG. 2;

FIG. 7 is a circuit diagram of a fuse element according to the first embodiment.

FIG. 8 is a perspective view illustrating components of a multi-slow blow fuse according to a second embodiment.

FIG. 9 is a perspective view of a multi-slow blow fuse according to a second embodiment.

FIG. 10 is a sectional view taken along line CC of FIG. 8;

FIG. 11 is a perspective view illustrating components of a multi-slow blow fuse according to a third embodiment.

FIG. 12 is a plan view of a case main body according to the third embodiment.

FIG. 13 is a schematic cross-sectional view taken along the line DD when the element is housed and arranged in the case main body in FIG.

FIG. 14 is a perspective view of a multi-slow blow fuse according to a third embodiment.

FIG. 15 is a perspective view for explaining parts of a multi-slow blow fuse according to a fourth embodiment.

16 is a sectional view taken along line EE in FIG.

FIG. 17 is a perspective view of a multi-slow blow fuse according to a fourth embodiment.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Multi slow blow fuse, 4 ... Fuse element, 12 ... Input terminal as connection terminal for power supply, 1
3 ... busbar portion, 13a ... bent portion as output terminal portion,
14a to 14e: fuse blowing portion, 15: bus bar portion for connection, 15a, 15b: output terminals as output terminal portions,
Reference numeral 16: an output terminal as an output terminal portion; 17a, a bent portion as an output terminal portion; 18a, a bent portion as an output terminal portion; 19a, a bent portion as an output terminal portion; 40, a multi-slow blow fuse; 41: Case body as an insulating case; 45: Fuse element; 50: Input terminal as a power supply connection terminal; 51: Busbar portion;
a to 52c: fuse blowing section, 54a to 54c: output terminal as output terminal section, 70: multi-slow blow fuse, 73: fuse element, 74: input terminal as power supply connection terminal, 75: bus bar section, 76a ~
76c: fuse blown portion; 77a: output terminal as an output terminal portion; 77b: output terminal as an output terminal portion and a connecting bus bar portion; 77c: output terminal as an output terminal portion; 110: multi-slow blow fuse; Fuse element, 114a: bent portion as power supply connection terminal, 116a: bent portion as output terminal portion, 1
15 ... Fuse blown part.

Claims (13)

[Claims] 1. An energizing bus bar portion having a power supply connection terminal provided so as to be connectable to at least one electric wire or a fuse block, and formed integrally with the bus bar portion, and an electric wire on a free end side. Alternatively, a multi-slow blow fuse in which a fuse element having a plurality of fuse blowout portions provided with output terminal portions provided so as to be connectable to a fuse block is housed and fixed in an insulating case. 2. The multi-slow blower according to claim 1, wherein at least two or more output terminals on the free end side of the fuse blown portion are formed, and the output terminals are integrally connected by a connecting bus bar. fuse. 3. A fuse element having a power supply connection terminal and an output terminal portion formed integrally with the fuse fusing portion and connected to an electric wire or a fuse block at both ends of the fuse fusing portion. Multi-slow blow fuses that are stored and fixed in multiple cases. 4. The multi-slow blow fuse according to claim 1, wherein the plurality of fuse blowout portions are formed so as to protrude from at least two directions from an energizing bus bar portion. 5. The multi-slow blow fuse according to claim 1, wherein the plurality of fuse blowout portions are formed by being bent and raised from an energizing bus bar portion. 6. The multi-slow blow fuse according to claim 1, wherein the plurality of fuse blowout portions are formed so as to protrude in an arch shape from a current-carrying bus bar portion. 7. The multi-slow blow fuse according to claim 1, wherein said power supply connection terminal is formed as a bolted terminal. 8. The power supply connection terminal according to claim 1, wherein the power supply connection terminal is formed as a male terminal.
Multi-slow blow fuse according to the item. 9. The power supply connection terminal according to claim 1, wherein the power supply connection terminal is formed as a female terminal.
Multi-slow blow fuse according to the item. 10. An output terminal section of the fuse blowing section,
The bolt terminal is formed on the terminal.
The multi-slow blow fuse according to any one of the above. 11. An output terminal section of the fuse blowing section,
The multi-slow blow fuse according to any one of claims 1 to 9, wherein the fuse is formed on a male terminal. 12. An output terminal section of the fuse blowing section,
The multi-slow blow fuse according to claim 1, wherein the multi-slow blow fuse is formed on a female terminal. 13. The output terminal section group of the fuse blowing section is configured by a combination of two or more selected from a bolted terminal, a female terminal, and a male terminal. 2. The multi-slow blow fuse according to claim 1.