KR102461378B1 - Element for fuse - Google Patents

Abstract

The element for a fuse of the present invention includes a main element body having a pair of fastening ends formed at both ends; and a sub-element body in which both ends are fastened to the pair of fastening ends so as to be spaced apart from the main element body along the upper and lower sides to form a parallel, increasing the fastening rigidity of both ends and easily changing the current cutoff specification and it can facilitate heat dissipation of the element itself.

Description

Element for fuse

The present invention relates to an element for a fuse and a method for manufacturing the same, and more particularly, to a fuse that can increase the fastening rigidity of both ends, easily change the current blocking specification, and facilitate the heat dissipation of the element itself. It's about elements.

In general, a fuse is a component that prevents damage to an electric component by quickly shutting off the supply of power when an electric component is overloaded in supplying power from an electric power source such as a battery to the electric component.

Such a fuse includes an element through which a current flows, and the element is disposed inside a housing filled with fire extinguishing sand, and both ends of the element protrude from both ends of the housing.

As described above, the protruding ends of the element are used as bolt fastening parts connected to the device to be connected through bolts.

Here, the element as described above is made of metal, and includes a body having a plate-like length, and a pair of bolt fastening parts formed at both ends of the body.

In general, the element is formed of a thin plate body, and the pair of bolt fastening parts are manufactured in a structure in which a plurality of parts are folded and stacked at both ends of the body.

In particular, since each bolt fastening part forms a folding structure to form a laminated structure of two or more layers, the manufacturing process becomes complicated, and physical problems such as distortion in the folding or bending process or gaps between each layer may occur. can

Accordingly, since the bolt fastening part is configured to be multi-layered using the raw material of the thin plate, there is a problem in that it is easily damaged due to distortion and concentrated stress in the area where the bolt is fastened in the process of rotating and fastening the bolt through it. have.

Therefore, there is a problem in that the rigidity of the bolt fastening portion of the stacked structure formed at both ends of the conventional element decreases.

In addition, as the body of the element is made of a single layer, there is a problem in that it is difficult to change the specification to block different levels of current.

In order to solve the above problems, the present invention is to provide an element for a fuse that can increase the rigidity of the fastening of both ends, make it easy to change the current blocking specification, and facilitate the heat dissipation of the element itself.

In order to achieve the above object, a fuse element according to an embodiment of the present invention includes a main element body having a pair of fastening ends formed at both ends; and a sub-element body, both ends of which are fastened to the pair of fastening ends, so as to be spaced apart from and parallel to the main element body along the upper and lower sides.

Each of the pair of fastening ends includes a fastening end body having a bolt hole formed therein, a neck extending from the fastening end body, and an extension body extending from the neck and connected to both ends of the main element body desirable.

It is preferable that fastening protrusions are respectively formed on both sides of the extended body.

At both ends of the sub-element body, it is preferable that fastening holes to which the fastening protrusions are fitted are formed, respectively.

Both ends of the sub-element body may be in close contact with the upper end of the extended body.

Each of the main element body and the sub-element body is preferably arranged to form a symmetry along the top and bottom.

a pair of inclined bodies and a connecting body connecting the pair of inclined bodies, wherein the pair of inclined bodies of the main element body are connected to each of the extended bodies, and a pair of the sub-element bodies Each of the inclined bodies is preferably in close contact with the upper end of the extended body and is connected to a contact end at which the fastening hole is formed.

Preferably, one or a plurality of cut-out holes are formed in each of the main element body and the sub-element body in a longitudinal direction.

The pair of fastening end thickness is preferably formed to be thicker than the thickness of the main element body to achieve a set thickness.

A fuse element according to another embodiment of the present invention includes a pair of fastening terminals spaced apart from each other; and a sub-element body, both ends of which are detachably fastened to the pair of fastening ends.

Each of the pair of fastening ends preferably includes a fastening end body having a bolt hole formed therein, a neck extending from the fastening end body, and an extension body extending from the neck.

It is preferable that fastening protrusions are respectively formed on both sides of the extended body, and fastening holes through which the fastening protrusions are fitted and fastened are respectively formed on both ends of both ends of the sub-element body.

Both ends of the sub-element body may be in close contact with the upper end of the extended body.

The sub-element body is preferably arranged so as to be symmetrical along the top and bottom.

A pair of inclined bodies and a connecting body connecting the pair of inclined bodies, each of the pair of inclined bodies of the sub-element body are in close contact with the upper end of the extended body and the fastening hole is formed It is preferable to be connected to the end.

It is preferable that one or a plurality of cut-out holes to be cut along the longitudinal direction are formed in each of the sub-element bodies.

The pair of fastening end thickness is preferably formed to be thicker than the thickness of the sub-element body to achieve a set thickness.

The present invention by the above solution means, the main element body and the sub-element body are spaced along the top and bottom to form a parallel structure and a multi-row structure, so that a high-spec current blocking structure of a certain level or more can be implemented by implementing the elements of the parallel structure. have an effect

In addition, the present invention can design a high-capacity meliment pattern in a limited space, and has the effect of easily dissipating heat.

In addition, the present invention has the effect of being able to replace the sub-element body with another sub-element body having a different capacity by detachably coupling the sub-element body to the main element body.

In addition, the present invention has a structure for fastening the sub-element body through the fastening protrusions and fastening holes as described above, thereby reducing the occurrence of gaps at both ends of the sub-element body and the main element body to eliminate electrical flow obstruction factors. have a possible effect.

In addition, in the present invention, the thickness of the pair of fastening ends formed at both ends of the main element body is formed to be thicker than the main element body, thereby increasing the fastening rigidity when fastening using bolts, and vibration due to bolt fastening When an external force such as this is applied, it has the effect of preventing deformation and damage at the fastening portion from occurring.

In addition, the present invention has the effect of increasing the support area in the fastening portion and thereby effectively preventing stress from being concentrated in the fastening portion due to the external force as described above.

1 is a perspective view showing an element for a fuse according to a first embodiment of the present invention.
Figure 2 is a perspective view showing the main element body according to the present invention.
3 is a perspective view showing a sub-element body according to the present invention.
4 is a perspective view showing a process in which the main element body and the sub element body are fastened according to the present invention.
5 is a perspective view illustrating an element for a fuse according to a second embodiment of the present invention.
6 is a perspective view showing a pair of fastening ends according to the present invention.
7 is a perspective view showing a sub-element body according to the present invention.
8 is a perspective view illustrating a process in which a pair of fastening ends and a sub-element body are fastened according to the present invention.

Hereinafter, with reference to the drawings, embodiments of the present invention will be described in detail so that those of ordinary skill in the art can easily implement them.

The present invention may be embodied in many different forms and is not limited to the embodiments described herein.

In order to clearly describe the present invention, parts irrelevant to the description are omitted, and the same reference numerals are assigned to the same or similar elements throughout the specification.

In the following, the provision or arrangement of an arbitrary component on the “upper (or lower)” or “top (or below)” of the substrate means that any component is provided or disposed in contact with the upper surface (or lower surface) of the substrate. means that

Further, it is not intended to limit the inclusion of other components between the substrate and any component provided or disposed on (or under) the substrate.

Hereinafter, embodiments of the element for a fuse of the present invention will be described with reference to the accompanying drawings.

first embodiment

1 is a perspective view showing an element for a fuse according to a first embodiment of the present invention, FIG. 2 is a perspective view showing a main element body according to the present invention, and FIG. 3 is a perspective view showing a sub-element body according to the present invention, 4 is a perspective view showing a process in which the main element body and the sub element body are fastened according to the present invention.

Referring to FIG. 1 , the fuse element 1 according to the first embodiment of the present invention includes a main element body 100 and a sub-element body 200 .

The main element body 100 according to the present invention may include a pair of fastening ends 110 , and each of the pair of fastening ends 110 may be integrally formed at both ends of the main element body 100 . have.

The main element body 100 and the pair of fastening ends 110 are formed of metal.

One of the pair of fastening ends 110 is connected to one end of the main element body 100 , and the other is connected to the other end of the main element body 100 to form an integral body.

Here, each of the pair of fastening ends 110 includes a fastening end body 111 having a bolt hole 111a formed therein, a neck 112 extending from the fastening end body 111 , and the neck 112 . ) and is formed of an extension body 113 connected to both ends of the main element body 110 .

Here, fastening protrusions 113a may be respectively formed on both sides of the extension body 113 , and the fastening protrusions 113a are formed to protrude outward.

In addition, an auxiliary fastening protrusion 113b protruding to the outside may be formed on one side surface of the extension body 113 . The auxiliary fastening protrusion 113b may be formed of one or more than one.

On the other hand, both ends of the main element body 100 is formed in a shape that gradually spreads along the upper side.

The main element body 100 includes a pair of inclined bodies 101 and a connecting body 102 connecting the pair of inclined bodies 101 , and a pair of The inclined body 101 is connected to each of the extension bodies 113 .

Here, the pair of inclined bodies 101 are inclined along the upper side at both ends of the connection body 102 so as to gradually spread apart from each other.

And, the sub-element body 200 according to the present invention is spaced apart from the main element body 100 along the top and bottom to form a parallel, both ends are fastened to the pair of fastening ends 110 .

Here, at both ends of the sub-element body 200, fastening holes 201 through which the fastening protrusions 113a are fitted and fastened may be formed, respectively. It is preferable that the shape of the fastening hole 201 corresponds to the shape of the fastening protrusion 113a.

In addition, a rectangular cut-out hole H is cut in the sub-element body 200, and auxiliary fastening holes 202 through which the auxiliary fastening protrusions 113b are fitted and fastened are formed in both side surfaces of the hole, respectively. . It is preferable that the shape of the auxiliary fastening hole 202 corresponds to the shape of the auxiliary fastening protrusion 113b.

In addition, both ends of the sub-element body 200 may be in close contact with the upper end of the extension body 113 .

Each of the main element body 100 and the sub-element body 200 is disposed to form a symmetry along the top and bottom.

The sub-element body 200 is composed of a connecting body 210 and a pair of inclined bodies 220 connected to the ends of the pair of extension bodies 113, and the pair of inclined bodies 220 are At the end of the extension body 113, it is inclined along the downward direction, and is inclined so as to be spaced apart from each other.

In addition, the end of the pair of inclined bodies 220 is in close contact with the upper end of the extended body 113 of the fastening end 110 and the close contact end 221 in which the fastening hole 201 and the auxiliary fastening hole 202 are formed. ) is formed.

In addition, a bead 221a having a predetermined length is formed in the close contact end 221 to protrude downward. The bead 221a may be formed using an embossing or beading method.

The sub-element body 200 configured as described above is disposed on the above-described main element body 100 , and is disposed to face the main element body 100 .

For example, when the main element body 100 is formed in a U shape, the sub-element body 200 is preferably formed in a ∩ shape.

In addition, each of the main element body 100 and the sub-element body 200 is formed with one or a plurality of cut-out holes H cut along the longitudinal direction.

The pair of fastening ends 110 have a thickness that is thicker than the thickness of the main element body 100 to achieve a set thickness, so that when the bolts are fastened, fastening rigidity can be increased.

Referring to FIG. 4, the coupling process of the main element body and the sub-element body will be described.

It forms a state formed on a pair of fastening ends 110 of the main element body 100 .

In addition, the sub-element body 200 may be disposed on the main element body 100 .

Each of the contact ends 221 formed at both ends of the sub-element body 200 is at the upper end of each extension body 113 of the pair of fastening ends 110 located on both ends of the main element body 100 . It may be disposed in a state of being in close contact.

At the same time, the fastening protrusions 113a protruding from both sides of each fastening end 110 may be fitted into each of the fastening holes 201 formed on both sides of the respective contacting ends 221 .

In addition, the auxiliary fastening protrusions 113b protruding from one side of each fastening end 110 are fitted in the auxiliary fastening holes 202 exposed to the cutout holes and formed on one side of each close contact end 221 . can

And, the bead (221a) formed in each contact end 221 may protrude downward and be in close contact with the upper surface of the extended body 113 of the main element body 100 to be coupled. Accordingly, even if a gap is formed between the close contact end 221 and the extended body 113, the bead 221a is closely supported on the upper surface of the extended body 113, thereby preventing the problem that the coupling state is unstable due to external vibration. can be solved

Accordingly, the sub-element body 200 may be coupled or fastened with the main element body 100 to achieve the state shown in FIG. 1 .

The fuse element of the present invention formed through the above configuration and fastening method can form a parallel structure and a multi-row structure as the main element body and the sub-element body are spaced apart along the top and bottom.

Accordingly, in the present invention, it is possible to implement a high-spec current blocking structure of a certain level or more by implementing elements of a parallel structure.

And, it is possible to design a pattern of a high-capacity meliment in a limited space, and heat can be easily dispersed.

In addition, in the present invention, by detachably coupling the sub-element body to the main element body, it may be replaced with another sub-element body having a different capacity.

In addition, in the present invention, the structure of fastening the sub-element body through the fastening protrusions and fastening holes as described above is made, thereby reducing the occurrence of gaps at both ends of the sub-element body and the main element body to eliminate electrical flow obstruction factors. can

In addition, by forming a pair of fastening ends formed at both ends of the main element body to be thicker than the main element body, when fastening using bolts, the fastening rigidity is increased, and external forces such as vibration caused by bolt fastening When this is applied, it is possible to prevent deformation and damage at the fastening portion from occurring.

In addition, it is possible to effectively prevent the effect of increasing the support area in the fastening portion and thus the concentration of stress in the fastening portion due to the external force as described above.

second embodiment

5 is a perspective view illustrating an element for a fuse according to a second embodiment of the present invention. 6 is a perspective view showing a pair of fastening ends according to the present invention. 7 is a perspective view showing a sub-element body according to the present invention. 8 is a perspective view illustrating a process in which a pair of fastening ends and a sub-element body are fastened according to the present invention.

5 to 8 , the fuse element 2 according to the present invention is coupled to a pair of fastening ends 300 spaced apart from each other, and both ends are detachably attached to the pair of fastening ends 300 . It includes a sub-element body 400 that is.

Each of the pair of fastening ends 300 includes a fastening end body 310 having a bolt hole 311 formed therein, a neck 320 extending from the fastening end body 310 , and from the neck 320 . It may be composed of an extended body 330 that extends.

Fastening protrusions 331 are respectively formed on both sides of the extension body 330, and at both ends of both ends of the sub-element body 400, fastening holes 431 through which the fastening protrusions 331 are fitted and fastened are respectively provided. can be formed.

In addition, a plurality of auxiliary fastening protrusions 332 protruding outwardly on one side of the extended body 330 may be formed at a predetermined distance from each other. The auxiliary fastening protrusions 332 may be formed of one or more than one.

In the sub element body 400, a rectangular cut-out hole (H) is cut, and auxiliary fastening holes 432 to which the auxiliary fastening protrusions 332 are fitted and fastened are formed in both side surfaces of the hole (H), respectively. can The shape of the auxiliary fastening hole 432 is preferably formed in a shape corresponding to the shape of the auxiliary fastening protrusion 332 .

In addition, both ends of the sub-element body 400 may be in close contact with the upper end of the extension body 330 .

The sub-element body 400 may be disposed to form a symmetry along the top and bottom.

Here, the sub-element body 400 includes a pair of inclined bodies 410 and a connection body 420 connecting the pair of inclined bodies 410 , and one of the sub-element body 400 . Each of the pair of inclined bodies 410 is in close contact with the upper end of the extended body 330 and is connected to the contact end 430 in which the fastening hole 431 is formed.

In addition, the close contact end 430 is formed at the end of the pair of inclined bodies 410, is in close contact with the upper end of the extended body 330 of the fastening end 300, the fastening hole 431 and the auxiliary fastening hole (432) is formed.

In addition, a bead 430a having a predetermined length is formed on the close contact end 430 to protrude downward.

Accordingly, in the auxiliary fastening hole 432 exposed to the incision hole H and formed on one side of each close contact end 300 , the auxiliary fastening protrusions 332 protrude from one side of each fastening end 300 . This can be plugged in.

In addition, the bead 430a formed on each contact end 300 may protrude downward and be in close contact with the upper surface of each extended body 330 coupled thereto. Accordingly, even if a gap is formed between the close contact end 430 and the extended body 330, the bead 430a is closely supported on the upper surface of the extended body 330, thereby solving the problem of the coupling state becoming unstable due to external vibration. can be solved

Meanwhile, the pair of fastening ends 300 may have a thickness greater than that of the sub-element body 400 to achieve a set thickness.

The fuse element according to the present invention configured as described above is individually fastened using each fastening end 300 at both ends of one sub-element body 400 , thereby facilitating replacement of the sub-element body 400 . have the effect of being able to

Accordingly, there is an advantage in that it is possible to easily change the use by easily replacing the sub-element body having various capacities.

As described above, specific embodiments of the element for fuses of the present invention have been described, but it is apparent that various implementation modifications are possible without departing from the scope of the present invention.

Therefore, the scope of the present invention should not be limited to the described embodiments, and should be defined by the claims and equivalents as well as the claims to be described later.

That is, it should be understood that the above-described embodiment is illustrative in all respects and not restrictive, and the scope of the present invention is indicated by the claims to be described later rather than the detailed description, and the meaning and scope of the claims; All changes or modifications derived from the equivalent concept should be construed as being included in the scope of the present invention.

100: main element body
110, 300: fastening end
101: inclined body
102: connecting body
200, 400: sub element body
210, 410: inclined body
220, 420: connecting body
221, 430: close contact
221a, 430a: bead
201, 431a: fastening hole

Claims (14)

a main element body having a pair of fastening ends formed at both ends; and a sub-element body having both ends fastened to the pair of fastening ends so as to be spaced apart from and parallel to the main element body along the upper and lower sides,
Each of the pair of fastening ends has an extension body connected to both ends of the main element body, and fastening protrusions are respectively formed on both sides of the extension body,
At both ends of the sub-element body, fastening holes are formed, respectively, to which the fastening protrusions are fitted and fastened,
Each of the main element body and the sub element body,
Arranged to form symmetry along the top and bottom,
A pair of inclined bodies and a connecting body connecting the pair of inclined bodies,
A pair of inclined bodies of the main element body are connected to each of the extension bodies,
Each of the pair of inclined bodies of the sub-element body is in close contact with the upper end of the extended body and is connected to a contact end at which the fastening hole is formed.
The method of claim 1,
Each of the pair of fastening ends,
A fastening end body having a bolt hole formed therein;
The element for a fuse further comprising a neck provided between the fastening end body and the extended body.
The method of claim 1,
An auxiliary fastening protrusion is formed on one side of the extended body,
In the inner surface of the cut-out hole formed in the sub-element body,
The element for a fuse, characterized in that the auxiliary fastening protrusion is inserted into the auxiliary fastening hole to be fastened is formed.
The method of claim 1,
Both ends of the sub-element body,
An element for a fuse, characterized in that it is in close contact with the upper end of the extension body.
The method of claim 1,
In each of the main element body and the sub element body,
An element for a fuse, characterized in that one or a plurality of cut-out holes to be cut along the longitudinal direction are formed.
The method of claim 1,
The thickness of the pair of fastening ends,
An element for a fuse, characterized in that it is formed to be thicker than the thickness of the main element body to achieve a set thickness.
The method of claim 1,
At the close end,
An element for a fuse, characterized in that a bead protruding downwardly forming a set length is formed.
a pair of fastening ends spaced apart from each other; and
An element for a fuse including a sub-element body, both ends of which are detachably fastened to the pair of fastening ends,
Each of the pair of fastening ends has an extended body, and fastening protrusions are respectively formed on both sides of the extended body,
At both ends of the sub-element body, fastening holes are formed, respectively, to which the fastening protrusions are fitted and fastened,
The sub element body,
Arranged to form symmetry along the top and bottom,
A pair of inclined bodies and a connecting body connecting the pair of inclined bodies,
Each of the pair of inclined bodies of the sub-element body is in close contact with the upper end of the extended body and is connected to a contact end at which the fastening hole is formed.
9. The method of claim 8,
Each of the pair of fastening ends,
A fastening end body having a bolt hole formed therein;
a neck extending from the fastening end body;
The element for a fuse further comprising a neck provided between the fastening end body and the extended body.
9. The method of claim 8,
An auxiliary fastening protrusion is formed on one side of the extended body,
In the inner surface of the cut-out hole formed in the sub-element body,
The element for a fuse, characterized in that the auxiliary fastening protrusion is inserted into the auxiliary fastening hole to be fastened is formed.
9. The method of claim 8,
Both ends of the sub-element body,
An element for a fuse, characterized in that it is in close contact with the upper end of the extension body.
9. The method of claim 8,
In each of the sub-element body,
An element for a fuse, characterized in that one or a plurality of cut-out holes to be cut along the longitudinal direction are formed.
9. The method of claim 8,
The thickness of the pair of fastening ends,
The element for a fuse, characterized in that it is formed thicker than the thickness of the sub-element body to achieve a set thickness.
9. The method of claim 8,
At the close end,
An element for a fuse, characterized in that a bead protruding downwardly forming a set length is formed.

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