KR20200056355A - Junction-box - Google Patents

Abstract

The present invention relates to a junction box comprising: a housing in contact with a corner portion of a battery, which is a planar polygonal shape; a first coupling portion for binding the housing to one side of the battery; and a second coupling portion which binds the housing to the other side adjacent to one side of the battery. The junction box is interlocked with the battery by placing the housing on a top surface of the battery, and at the same time, it is bound to the battery by the first coupling portion and the second coupling portion. Unlike the prior art, the present invention binds the housing and the battery of the junction box in two places. As the two binding places are simultaneously locked in operation following the operation of lowering the housing to a set position of the battery, the workability of bonding of the housing and the battery can be remarkably improved.

Description

Junction box {JUNCTION-BOX}

The present invention relates to a junction box, and more specifically, to bind the housing and the battery of the junction box in two places, followed by the operation of lowering the housing to the set position of the battery, two binding parts at the same time locking (locking) operation It relates to a junction box that significantly improves the workability of the housing and the battery and reduces the manufacturing cost by reducing the number of parts for mutual locking.

In recent years, as the vehicle is advanced and the electric devices inside the vehicle are complicated, a junction box is widely used. The junction box is a collection of fuses related to various electric components, and is installed in, for example, a vehicle to prevent overcurrent from flowing to various electric components of the automobile. At this time, the junction box is also used directly connected to the battery.

In general, the cover forming the skeleton of the junction box is formed by injection molding a synthetic resin. A bus bar, a terminal, and a fuse are provided inside the cover.

The junction box is placed on a battery sheet formed to be recessed on the top surface of the battery, and at the same time, a terminal seated inside the junction box is combined with a terminal provided in the battery to supply power from the battery to the vehicle interior.

And, with the connection between the terminal and the battery terminal, the junction box is mounted inside the vehicle by a mounting bracket formed on the outside. That is, a screw fastening hole is formed in the mounting bracket and the clip is screwed. The clip serves to fix and guide the cable and is seated inside the vehicle. Therefore, the junction box is mounted inside the vehicle in a state of being combined with the clip.

Background art for the present invention is the Republic of Korea Registered Patent Publication No. 0755031 (name of the invention: the mounting structure of the fuse box for the battery, registered on August 28, 2007).

The above-described technical configuration is a background technique for helping understanding of the present invention, and does not mean a well-known prior art in the technical field to which the present invention belongs.

The existing junction box has a problem in that the assembly workability is deteriorated and the unit cost is increased as the assembly must be fastened and assembled separately in at least two places for mounting and assembly on the top surface of the battery.

Therefore, there is a need to improve this.

The present invention has been devised to improve the above problems, and the housing of the junction box and the battery are bound in two places, followed by the operation of lowering the housing to the set position of the battery, and the two binding parts are locked simultaneously. ) The purpose of this is to provide a junction box to operate and significantly improve the workability of the housing and the battery.

An object of the present invention is to provide a junction box to reduce the manufacturing cost by reducing the number of parts for mutual locking by simplifying the configuration so that the two binding parts of the housing for the battery and the junction box are locked at the same time.

The junction box according to the present invention includes: a housing contacting a corner portion of a battery having a polygonal shape on a plane; A first coupling unit binding the housing to one side of the battery; And a second coupling portion that binds the housing to the other side adjacent to one side of the battery.

The housing is interlocked with being placed on the upper surface of the battery, and is characterized in that it is bound to the battery by the first coupling part and the second coupling part at the same time.

The first coupling portion, the first elastic plate is formed to extend so as to open out elastically on one side of the circumferential surface of the housing; A first hook hook protruding from the first elastic plate toward the housing; And a first constraining protrusion formed protrudingly on one side of the battery to engage the first hook.

The battery is characterized in that the first stopper hook is formed to protrude the first stopper to prevent it from being moved over a certain amount after passing through the first fastening protrusion.

The second coupling portion, the second elastic plate is formed to extend so as to be elastically spread outward from the other circumferential surface of the housing; A second hook hook protruding from the second elastic plate toward the housing; And a second constraining protrusion formed protrudingly on the other circumferential surface of the battery to engage the second hook.

The battery is characterized in that the second stopper hook protrudes from the second stopper to prevent it from being moved more than a certain amount after passing through the second fastening protrusion.

As described above, in the junction box according to the present invention, unlike the prior art, the housing of the junction box and the battery are bound in two places, and the two binding parts are simultaneously locked in succession to move the housing down to the set position of the battery. (locking) operation can significantly improve the workability of the housing and the battery.

The present invention simplifies the configuration so that the two locking parts of the housing for the battery and the junction box are locked at the same time, thereby reducing the number of parts for mutual locking, thereby reducing manufacturing cost.

1 is a perspective view of a junction box mounted on a battery according to an embodiment of the present invention.
2 is a bottom perspective view of a junction box according to an embodiment of the present invention mounted on a battery.
Figure 3 is an exploded perspective view of the junction box according to an embodiment of the present invention separated from the battery.
4 is a front view of a junction box mounted on a battery according to an embodiment of the present invention.
5 is a side view of a junction box mounted to a battery according to an embodiment of the present invention.
6 and 7 are side views showing a state of mounting a junction box on a battery according to an embodiment of the present invention.

Hereinafter, an embodiment of a junction box according to the present invention will be described with reference to the accompanying drawings. In this process, the thickness of the lines or the size of components shown in the drawings may be exaggerated for clarity and convenience. In addition, terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to a user's or operator's intention or practice. Therefore, the definition of these terms should be made based on the contents throughout the specification.

1 is a perspective view of a state in which the junction box according to an embodiment of the present invention is mounted to a battery, and FIG. 2 is a bottom perspective view of a state in which the junction box according to an embodiment of the present invention is mounted in a battery, and FIG. 3 is It is an exploded perspective view of the junction box according to an embodiment of the present invention separated from the battery.

4 is a front view of a junction box mounted on a battery according to an embodiment of the present invention, FIG. 5 is a side view of a junction box mounted on a battery according to an embodiment of the present invention, and FIGS. 6 and 7 are the present invention A side view showing a state of mounting a junction box on a battery according to an embodiment of the present invention.

1 to 7, the junction box 20 according to an embodiment of the present invention includes a housing 22, a first coupling portion 100 and a second coupling portion 200.

The housing 22 is equipped with a bus bar, a fuse and a relay, and receives current from the battery 10 while being placed on the upper side of the battery 10.

In particular, the battery 10 is formed in a polygonal shape on a plane. That is, the battery 10 is formed in a square shape on a plane.

Then, the housing 22 is connected to the battery 10 while being placed in a corner portion of the upper side of the battery 10. In addition, the housing 22 is covered with an upper side by a cap 24 to protect the mounted busbar, fuse and relay. Of course, the housing 22 and the cap 24 can be modified in various shapes.

In addition, the first coupling unit 100 serves to bind the housing 22 located at the set top corner of the battery 10 to one side circumferential surface of the battery 10, and the second coupling unit 200 includes a battery ( 10) serves to bind the housing 22 located at the set top corner of the battery to the other circumferential surface of the battery 10.

At this time, the housing 22 is interlocked with being placed on the upper surface of the battery 10 and is simultaneously bound to the battery 10 by the first coupling portion 100 and the second coupling portion 200.

That is, the housing 22 is interlocked with the operation in which the battery 10 is placed at the set position on the upper surface of the battery 10, and is coupled to the circumferential surface of one side of the battery 10 by the first coupling unit 100, and at the same time, the second coupling unit 200 ) Is bound to the other circumferential surface of the battery 10.

Due to this, the assembly process of binding the housing 22 of the junction box 20 to the battery 10 is easy, and the time for binding is shortened.

On the other hand, the first coupling portion 100 includes a first elastic plate 110, the first hook hook 120 and the first binding protrusion 130.

In addition, the second coupling portion 200 includes a second elastic plate 210, a second hook hook 220 and a second binding protrusion 230.

Accordingly, while the housing 22 is placed on the upper surface of the battery 10, the first elastic plate 110 and the second elastic plate 210 are elastically spread outwardly, and then bound to the battery 10 at the same time.

In more detail, the first elastic plate 110 of the first coupling portion 100 is formed to extend so as to be elastically spread outward from one circumferential surface of the housing 22. Of course, the first elastic plate 110 can be deformed into various sizes and shapes.

Then, the first hook hook 120 protrudes from the first elastic plate 110 toward the housing 22 side. At this time, the first hanging hook 120 can be modified in various sizes and various shapes, and is not limited to the number.

In addition, the first fastening protrusion 130 is protruded on one side of the battery 10, is moved along the first catching hook 120, and then is caught by the first catching hook 120. Thus, the housing 22 is prevented from being detached from the battery 10 in the upper direction of the battery 10. Of course, the first constraining protrusion 130 can be applied in various sizes and shapes.

Particularly, the first elastic plate 110 protrudes the first reinforcing rib 112 on the outer surface for reinforcement so as to maintain the state in which the first hooking hook 120 is firmly engaged with the first fastening protrusion 130. Can form.

Likewise, the second elastic plate 210 of the second coupling portion 200 can be elastically spread outward from the other side circumferential surface of the neighboring housing 22 in the circumferential direction from one side circumferential surface of the housing 22. Extension is formed. Of course, the second elastic plate 210 can be deformed into various sizes and shapes.

Then, the second hook hook 220 protrudes from the second elastic plate 210 toward the housing 22 side. At this time, the second hanging hook 220 can be deformed into various sizes and various shapes, and is not limited to the number.

In addition, the second fastening protrusion 230 is formed to protrude on the other circumferential surface of the battery 10, is moved along the second catching hook 220, and then caught by the second catching hook 220. Thus, the housing 22 is prevented from being detached from the battery 10 in the upper direction of the battery 10. Of course, the second constraining protrusion 230 can be applied in various sizes and shapes.

Particularly, the second elastic plate 210 protrudes the second reinforcing rib 212 on the outer surface for reinforcement so that the second hooking hook 220 is firmly engaged with the second fastening protrusion 230. Can form.

Meanwhile, the battery 10 protrudes from the first stopper 140 in order to prevent the first catching hook 120 from being moved over a certain amount after being moved on the first fastening protrusion 130. That is, the first locking hook 120 is supported by the upper side in contact with the first constraining protrusion 130, and the lower side is supported in contact with the first stopper 140, so that the housing 22 of the junction box 20 is prevented from shaking. It becomes possible to maintain a state of being firmly bound to the battery 10. Of course, the first stopper 140 may be modified in various shapes.

Similarly, the battery 10 protrudes from the second stopper 240 to prevent the second hook hook 220 from being moved over a certain amount after being moved on the second binding protrusion 230. That is, the second locking hook 220 is supported by the upper side in contact with the second constraining protrusion 230, and the lower side is supported by the second stopper 240, so that the housing 22 of the junction box 20 is prevented from shaking. It becomes possible to maintain a state of being firmly bound to the battery 10. Of course, the second stopper 240 may be modified in various shapes.

At this time, the first stopper 140 and the second stopper 240 may be continuously formed along the circumferential surface of the battery 10, or may be formed discontinuously. In addition, the first constraining protrusion 130 and the second constraining protrusion 230 may be continuously formed along the circumferential surface of the battery 10, or may be formed discontinuously.

The present invention has been described with reference to the embodiment shown in the drawings, but this is only exemplary, and those skilled in the art to which the art belongs can various modifications and equivalent other embodiments from this. Will understand. Therefore, the true technical protection scope of the present invention should be defined by the following claims.

10: battery 20: junction box
22: housing 24: cap
100: first coupling portion 110: first elastic plate
120: first hook hook 130: first binding protrusion
140: first stopper 200: second coupling portion
210: 2nd elastic plate 220: 2nd hook
230: second binding protrusion 240: second stopper

Claims (1)

A housing contacting a corner portion of the battery having a planar polygonal shape; A first coupling unit binding the housing to one side of the battery; And a second coupling portion binding the housing to the other side adjacent to one side of the battery,
The housing is interlocked with being placed on the upper surface of the battery and is simultaneously bound to the battery by the first coupling portion and the second coupling portion,
The first coupling portion, the first elastic plate is formed to extend so as to open out elastically on one side of the circumferential surface of the housing; A first hook hook protruding from the first elastic plate toward the housing; And a first constraining protrusion formed protrudingly on one side of the battery to engage the first hook.
The battery protrudes and forms a first stopper to prevent the first hooking hook from being moved over a certain amount after passing through the first binding protrusion,
The second coupling portion may include a second elastic plate extending to be elastically spread outward from the other circumferential surface of the housing; A second hook hook protruding from the second elastic plate toward the housing; And a second constraining protrusion formed to protrude on the other circumferential surface of the battery to engage the second hook.
The battery protrudes and forms a second stopper to prevent the second hooking hook from being moved over a certain amount after passing through the second binding protrusion,
The housing is a junction box, characterized in that the opened upper side is opened and closed by a cap.

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