JPS593488Y2 - Single blade type fuse holder - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a holder for a single blade-type fuse that can be easily inserted between the wiring of various household electric appliances including automobiles.

Conventionally, a transparent glass tube type fuse was used for the fuse inserted in the middle of such wiring, but compared to this type of transparent glass tube type fuse, it is about 30% lighter and more compact, and five times more durable. (Switch on/off 250,000 times)
The blade type fuse has significantly improved characteristics.
It is hoped that its use will best meet the needs of today's cars.

The present application has devised a blade-type fuse having such characteristics to be easily inserted between the wiring of various household electrical appliances including automobiles.An example of the implementation of the present invention will be explained below based on the drawings.1. The main body of the holder has a substantially rectangular parallelepiped shape, and the socket of the insulating housing 3 with the blade-type fuse 2 at the upper end has a recessed opening 4, and from the bottom of the opening 4, the blade-shaped fuse 2 is inserted into the socket. A pair of through holes 8 and 8' are passed through to the lower end of the holder main body 1, into which a plate-shaped terminal 5 and a connector 7 shaped like the receiving part 6 of the plate-shaped terminal 5 are inserted and installed. .

A pair of holes 9, 9' are passed through between the pair of through holes 8, 8', and a partition wall 10.1 is inserted between the through holes 8, 8' and holes 9, 9'.
0' and a reinforcing wall 11 is formed between the holes 9 and 9', and the upper and both sides of the partition wall 10 and 10' are cut out to form supporting pieces 12 and 12' in the corresponding parts. However, the support pieces 12.degree. 12' have projecting portions 13, 13' that narrow downwardly on the side of the through holes 8, 8'.

A pair of grooves 14.
14' are formed respectively.

The connector 7 has a hole 15 formed in the side surface of the receiving part 6 corresponding to the projections 13, 13' of the support pieces 12, 12', and extends to both sides below a crimping part 17 for crimping the lead wire 16. Wing portions 18.18' are formed so that when the connector 7 is inserted into the through holes 8, 8', the holes 15 are connected to the bearing pieces 12.1.
2', and fit into the protrusions 13, 13' of the wing part 1.
8.18' is inserted into a pair of grooves 14, 14' formed at the lower part of the through holes 8, 8', and the connector 7 is inserted into the through holes 8, 8'.
, 8'.

At this time, since the supporting pieces 12, 12' separate the upper side part from the partition wall 10.10', they elastically move in this part, and the protrusion 13° 13' on the side surface of the receiving part 6 of the connector 7
When abutting against the protrusions 13., the protrusions 13.
13' is shifted to facilitate insertion of the connector 7, and when the hole 15 of the connector 7 is above the protrusions 13, 13',
It is inserted into the hole 15 and returned.

Reference numeral 19 denotes a lid body pivotally attached to the upper end and side edges of the holder body 1 with a hinge 20, and covers the blade type fuse 2 inserted into the holder body 1.

An arm piece 22 that swings like a seesaw with the foot 21 as a fulcrum is formed on the side surface of the distal end of the lid body 19, and a claw piece 23 that is formed downward into a lock shape is formed at the distal end of the arm piece 22. When the cover body 19 covers the blade-type fuse 2, the claw pieces 23 are engaged with protrusions 24 protruding from the side wall of the holder main body 1.

The holder main body 1 has a pair of protruding strips 25 and 25' which are bent into a lock-like end in a direction opposite to one side wall, and bent into a lock-like end in a direction opposite to the other side wall. A pair of protruding stripes 26.26' are formed, and the pair of protruding stripes 26.26'
' and the pair of protruding strips 25, 25' are formed so that they can be held together in relation to another holder main body 1'.

The protruding strip 25.25' consists of a rising part 27.27' rising vertically from the side wall of the holder main body 1 and a free end extending from the upper part of the rising part 27.27',
A guide groove is formed between the free end and the side wall.

Further, the upper portion of the rising portion 27.27' is cut out, and a fitting opening 28.28' is formed in this portion.

The protruding strips 26, 26' have free ends 29°2 extending oppositely to each other.
The upper part of 9' is slightly protruded in correspondence with the fitting opening 28, 28', and a retainer 30, 30' is formed in this part.

The holder main body 1 also has a convex portion 31 on the center portion of the side wall between the protruding stripes 25, 25' and 26,26', and a convex portion 32 forming an upper portion at a lower position of the protruding portion 31. It is set protrudingly.

In the above configuration, when the protruding strips 26.26' of the holder main body 1 are inserted into the protruding strips 25.25' of the holder main body 1 from below, the convex portion 31 abuts the convex portion 32, and the engaging element 30 .30
' is inserted into the fitting opening 28.28' and secured, and the holder body 1
, 1' are interconnected via protruding strips 25, 25', 26, 26'.

33 is a cone-shaped protrusion 35 inserted from the surface through the annular recess 34.
This is a joint piece in which a continuous number of cracks 36, 36', etc. are formed from the top of the protrusion 35 to the base end, and the joint piece 33 is formed on the side wall of the holder main body 1. The width and plate thickness are formed so that the pair of protruding strips 25, 25' formed therein can be inserted into the plate, a pair of notches 37, 37' are made from above, and a protruding piece 38 is inserted in the center. Elastic pieces 39 and 39' that move with elasticity are formed on both sides, and protrusions 40 and 40' are formed protruding from the sides of the elastic pieces 39.

When the joint piece 33 with the above structure is inserted into the protruding strip 25.25' of the holder main body 1 from below, the protrusion 40°40'
is in contact with the inner surface of the protruding strip 25, 25', and the elastic piece 39
．． The elastic piece 39.39 slides while being shifted toward the notch 37.37', and the elastic piece 39.39 is inserted into the fitting opening 28.28'.
The protruding piece 38 returns to its original position due to its elasticity and is inserted into the fitting openings 28, 28', and at the same time the protruding piece 38 comes into contact with the protrusion 31, and the joint piece 33 is locked at this position.

41 has the same structure as the above joint piece, but instead of the annular recess 34 and the protrusion 35, a pair of arcuate arm pieces 42.
42' is a joint piece that protrudes so that the tips thereof face each other.

In short, the present invention has a pair of connectors 7 with a receiving part 6 formed inside the holder main body 1, and inserts the plate-shaped terminal 5 of the blade-type fuse 2 into the receiving part 6. Since the fuse 2 is covered by the lid 19 which is pivotally attached to the holder main body 1, the fuse can be easily inserted into the wiring of various household appliances including automobiles, and is lightweight, compact, and durable. This makes it possible to replace the blade-type fuse 2, which has great properties, and to provide a simple fuse holder that can fully meet the needs of today's cars, integrated with the blade-type fuse.

Also, a pair of protruding strips 25, 25' are bent into a lock-like end in a direction facing one side wall of the holder main body 1, and a pair of projecting strips 25, 25' are bent into a lock-like end in a direction facing the other side wall. Projection strip 26.
26', and the two pairs of protruding strips 25, 25', 2
6.26' A blade-type fuse 2 that can be easily inserted into the wiring of various household electrical appliances including automobiles because the holder bodies 1 and 1' are connected to each other by holding each other.
Even if the holder bodies 1, 1' are concentrated and the holder bodies 1, 1' are scattered at the relevant position, the projecting strips 25, 25', 26° 26' can be made into a compact lump by mutually hugging each other. There is.

On the other hand, a cone-shaped protrusion 35 is inserted through the annular recess 34 from above the surface.
The joint piece 33 formed by forming a continuous number of cracks 36.36' from the top to the base end of the protrusion 35 is locked to the pair of protrusion pieces 25.25', and the protrusion 35 If you fit it into a hole in a panel in a car or electrical appliance,
The holder main body 1 is fixed in position on the surface of the panel, and will not be shaken by the shaking of the vehicle, and there will be no possibility of poor connection at the connection point between the lead wire 16 and the connector 7.

Further, a joint piece 41 formed by protruding a pair of arched arm pieces 42, 42' from above with their tips facing each other is locked to the pair of protruding strips 25, 25', and the arched arm piece 42 ，
If the wire bundle 42' is held in the wiring bundle, the practical effects are great, such as the same effect as the above-mentioned joint piece 33 can be obtained.

[Brief explanation of the drawing]

The figures show an example of the implementation of the present invention, and FIGS. 1 and 2 are perspective views of the main body of the holder according to the present invention, FIG. 3 is a sectional view of the same, and FIG. 4 is a 5 and 6 are cross-sectional views showing a state in which the connector is inserted into the holder main body, FIG. 7 is a plan view showing a state in which the holder main bodies are connected to each other, and FIG. 8 and FIG. 9 is a perspective view of the joint piece. 1...Holder main body, 2...Blade type fuse, 5...Plate terminal, 6...
Receiving part, 7... Connector, 16... Lead wire, 19... Lid, 25.25'...
・Protruding strip, 26゜26'...Protruding strip, 33...
...Joint piece, 34...Concavity, 35...
...Protrusion, 36, 36'...Crack, 41...
...Joint piece, 42.42'...Archive arm piece.

Claims (1)

[Scope of utility model registration request] A lead wire 16 is inserted into a pair of through holes 8 and 8' that pass through the top and bottom.
The connectors 7, 7' connected to the connectors 7, 7' are accommodated and locked, and each of the pair of plate-shaped terminals 5 constituted by the blade-type fuse 2 is electrically connected to each of the connectors 7, 7'. A holder main body 1 for mechanical connection, the holder main body 1 has at least one pair of side surfaces, and on one of the sides, free ends extend in opposite directions, and the free ends are extended in opposite directions. A guide groove is formed between the end and the side surface, and an inlet 2 is formed by cutting out a portion from the upper end at the top of the rising part.
Between a pair of end face lock-shaped protruding strips 25.25' along the vertical direction having an angle of 8° 28' and the upper end of the rising portion cut out at the upper center between the protruding strips 25.25'. A protrusion 31 is formed on each of the sides and protrudes at appropriate intervals, and on the other side, a retainer whose free end extends in opposite directions and slightly protrudes from the upper part of the free end is formed. 3
A pair of end face lock-shaped projecting strips 26.26' along the vertical direction and having a diameter of 0.30'; and the pair of projecting strips 26.26'
A convex portion 32 protruding from the center upper part of the holder body is formed in the guide groove of the protruding strip 25 and 25' formed on one of the holder bodies as a set. On the other hand, from below, the projecting strip 26.26' formed on the other holder main body is inserted into the retainer 30.30'.
When the holder is inserted with the holder facing upward, the convex portion 32 abuts the convex portion 31, and at the same time the retainer 30.30' fits into the recess opening 28.28', and the holder body is joined to each other. A single holder for a blade-type fuse, which is characterized by