JP2006269186A - Protecting device of battery terminal - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a protection device of a battery terminal in which a protection cover to cover a fuse unit formed in L-shape and a battery terminal is formed by a material having flexibility, and damage of the protection cover at the time of vehicle collision is prevented, and the protection cover is hardly separated from the fuse unit. <P>SOLUTION: This is a protection device of a battery terminal in which a fuse unit of L-shape formed so as to go along the upper wall and side wall of a battery case with a prescribed spacing is installed on the battery terminal, and a protection cover consisting of a fuse cover part to cover the upper part of the fuse unit, a terminal cover to cover the upper part of the battery terminal, and a hinge to connect the both movably is installed on the fuse unit. The protection cover is formed of a material having flexibility, the fuse cover part is constructed of an upper wall and a side wall extending downward from the edge of the upper wall, and a ring part to surround annularly the lower extension part of the fuse unit is formed at the side wall. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a battery terminal protection device, in particular, an L-shaped fuse unit and a protective cover that covers the battery terminal are formed of a flexible material to prevent damage to the protective cover in the event of a vehicle collision, The present invention relates to a battery terminal protection device having a structure in which a protective cover is difficult to be removed from a fuse unit.

  A fuse unit is attached to a battery post of a battery mounted on the vehicle to supply power from the battery to various electrical components. The fuse unit includes, for example, a fuse element having a plurality of terminal connection portions and a resin body in which the fuse element is built.

  And in the said fuse unit, since the location exposed outside is easy to corrode, it is generally covered with the protective cover formed separately.

JP 2002-270082 A Japanese Utility Model Publication No. 5-34661

  By the way, in the conventional battery terminal protection device, as shown in FIGS. 6 and 7, the battery terminal 106 is formed so as to follow the upper surface wall 102-1 and the side wall 102-2 of the battery case 102 with a predetermined interval. The L-shaped fuse unit 108 is attached, a fuse cover part 112 covering the upper part of the fuse unit 108, a terminal cover part 114 covering the upper part of the battery terminal 106, and a hinge part 116 movably connecting the two. A protective cover 110 consisting of the above is attached to the fuse unit 108.

  The fuse unit 108 and the protective cover 110 may have a layout close to the vehicle body panel 130 such as a cowl top panel as shown in FIG.

  At this time, the protective cover 110 is made of a resin type hinge type in order to function for insulation and rust prevention.

However, the conventional protective cover 110 has the following two drawbacks.
(1) Since the protective cover 110 is made of a resin material, the protective cover 110 may come into contact with the vehicle body panel 130 and be damaged at the time of a vehicle collision.
(2) Further, the terminal cover part 114 is opened and closed when the battery terminal 106 is attached / detached. However, when the opening / closing is repeated frequently, the hinge part 116 may be fatigued and damaged.

  In this invention, the protective cover that covers the fuse unit and the battery terminal formed in an L-shape is formed of a flexible material to prevent the protective cover from being damaged in the event of a vehicle collision, and the protective cover is difficult to come off from the fuse unit. It is intended to be a structure.

  Therefore, in order to eliminate the above-mentioned inconveniences, the present invention attaches an L-shaped fuse unit formed along the upper and side walls of the battery case with a predetermined distance to the battery terminal. In the battery terminal protection device in which a fuse cover unit covering the upper part, a terminal cover unit covering the upper part of the battery terminal, and a hinge unit movably connecting both of them are attached to the fuse unit, The protective cover is formed of a flexible material, and the fuse cover portion is composed of an upper surface wall and a side wall extending downward from the edge of the upper surface wall, and the lower extension portion of the fuse unit is annularly formed on the side wall. A ring portion that surrounds the substrate is formed.

  As described in detail above, according to the present invention, an L-shaped fuse unit formed so as to extend along a predetermined distance is attached to the upper and side walls of the battery case on the battery terminal, and the upper portion of the fuse unit is attached to the battery terminal. In the battery terminal protection device in which a protective cover consisting of a fuse cover part covering, a terminal cover part covering the upper part of the battery terminal, and a hinge part movably connecting the two is attached to the fuse unit, the protective cover is flexible. The fuse cover portion is composed of an upper surface wall and a side wall extending downward from the edge portion of the upper surface wall, and a ring portion surrounding the lower extension portion of the fuse unit in an annular shape is formed on the side wall. Therefore, by forming the protective cover with a flexible material, even if the protective cover comes into contact with the vehicle body panel in the event of a vehicle collision, it will be deformed. Alone with risk is eliminated damage that, even when frequently opening and closing the terminal cover part, those hinge there is no possibility of damage. In addition, since the ring portion surrounding the downward extending portion of the fuse unit is formed in the fuse cover portion, it is possible to prevent the protective cover from being detached at the time of a vehicle collision.

  As a result of the invention as described above, the protective cover formed of a flexible material eliminates the possibility of damage due to deformation even when the protective cover comes into contact with the vehicle body panel in the event of a vehicle collision. Even when the door is opened and closed, there is no possibility that the hinge portion is damaged. In addition, the protective cover is prevented from coming off at the time of a vehicle collision by a ring portion formed in the fuse cover portion so as to surround the downward extending portion of the fuse unit in an annular shape.

  Embodiments of the present invention will be described below in detail with reference to the drawings.

  1 to 4 show a first embodiment of the present invention. 1 to 4, 2 is a battery case disposed in an engine room of a vehicle (not shown), 4 is a battery post of the battery case 2, 6 is a battery terminal attached to the battery post 4, and 8 is A fuse unit 10 is a protective cover.

  As shown in FIGS. 3 and 4, the L-shaped fuse unit 8 is formed on the battery terminal 6 so as to extend along the upper surface wall 2-1 and the side wall 2-2 of the battery case 2 with a predetermined interval. Install.

  In addition, the protective cover 10 including the fuse cover portion 12 covering the upper portion of the fuse unit 8, the terminal cover portion 14 covering the upper portion of the battery terminal 6, and the hinge portion 16 movably connecting the two is provided. The protective cover 10 is attached to the fuse unit 8.

  The protective cover 10 is formed of a flexible material, and the fuse cover portion 12 is an upper surface wall 12-1 on the fuse cover portion 12 side which is an upper surface wall and an upper surface wall 12- on the fuse cover portion 12 side. 1 and a side wall 12-2 on the side of the fuse cover 12 that is a side wall extending downward from the edge of the fuse 1, and a downwardly extending part 18 of the fuse unit 8 is annularly formed on the side wall 12-2 on the side of the fuse cover 12 The ring portion 20 is formed so as to be surrounded.

  More specifically, when the protective cover 10 is formed of a flexible material such as vinyl chloride (also referred to as “PVC”), as shown in FIGS. 10-1 and a side surface portion 10-2 extending downward from the edge portion of the upper surface portion 10-1 by a predetermined dimension.

  The upper surface portion 10-1 of the protective cover 10 includes an upper surface wall 12-1 on the fuse cover portion 12 side and an upper surface wall 14-1 on the terminal cover portion 14 side. The side surface portion 10-2 includes a side wall 12-2 on the fuse cover portion 12 side and a side wall 14-2 on the terminal cover portion 14 side.

  At this time, as shown in FIG. 1 and FIG. 2, the terminal cover portion 14 side is located in the vicinity of the boundary portion between the fuse cover portion 12 and the terminal cover portion 14 and at two locations on the side wall 14-2 portion on the terminal cover portion 14 side. A slit 22 extending from the lower end side of the side wall 14-2 to the vicinity of the upper end side is formed, and this slit 22 is caused to function as the hinge portion 16.

  Further, as shown in FIG. 4, the fuse unit 8 is formed in an L shape by a downward extending portion 18 and a horizontal extending portion 24 extending in the horizontal direction from the upper end portion of the downward extending portion 18, The upper surface wall 2-1 and the side wall 2-2 of the battery case 2 are arranged along a predetermined interval.

  Further, the fuse cover portion 12 includes an upper surface wall 12-1 on the fuse cover portion 12 side and a side wall 12- on the fuse cover portion 12 side extending downward from an edge of the upper surface wall 12-1 on the fuse cover portion 12 side. 1 and 2, the fuse cover portion 12 extends downward from the side wall 12-2 on the fuse cover portion 12 side, and extends downward from the fuse unit 8. A ring portion 20 surrounding the portion 18 in an annular shape is formed.

  At this time, at the boundary portion between the fuse cover portion 12 and the terminal cover portion 14, between the back surface (also referred to as “inside surface”) of the upper surface portion 10-1 of the protective cover 10 and the ring portion 20, As shown in FIG. 1, an opening 26 is formed.

  Furthermore, as shown in FIG. 1, a rib 28 that protrudes in the vertical direction in FIG. 1 and contacts the upper surface of the fuse unit 8 is formed on the inner side surface of the fuse cover portion 12.

  In forming the rib 28, the formation position is determined in consideration of the size of the opening 26, the distance from the opening 26, and the like.

  Reference numeral 30 denotes a vehicle body panel such as a cowl top panel.

  Next, the operation will be described.

  First, as shown in FIG. 4, the protective cover 10 is attached to the fuse unit 8 using the hinge portion 16 and the opening portion 26 formed of the slit 22.

  At this time, a rib 28 formed on the inner surface of the fuse cover portion 12 is brought into contact with the upper surface of the fuse unit 8.

  Then, as shown in FIGS. 3 and 4, the battery terminal 6 of the fuse unit 8 to which the protective cover 10 is attached is attached to the battery post 4 of the battery case 2.

  Thus, since the protective cover 10 is formed of a flexible material, even if the protective cover 10 comes into contact with the vehicle body panel 30 at the time of a vehicle collision, there is no possibility that the protective cover 10 will be damaged due to deformation, and the slit 22 is used. Thus, even when the terminal cover portion 14 is frequently opened and closed, the hinge portion 16 is not likely to be damaged.

  Further, when the protective cover 10 is formed of a flexible material, the protective cover 10 is easily removed in the event of a vehicle collision. In this first embodiment, the fuse unit 8 extends downward from the fuse cover portion 12. By forming the ring portion 20 surrounding the protruding portion 18 in a ring shape, the protective cover 10 can be prevented from coming off.

  And it contributes also to the improvement of the insulation protection function of the protective cover 10 at the time of a vehicle collision from two advantages that there is no possibility that the hinge part 16 mentioned above may be damaged and the removal of the protective cover 10 can be prevented. .

  Further, ribs 28 that are in contact with the upper surface of the fuse unit 8 are formed on the inner side surface of the fuse cover portion 12 so that the rib 28 formed on the inner side surface of the fuse cover portion 12 is a cushioning material in the event of a vehicle collision. As a result, damage to the fuse unit 8 can be reduced.

  FIG. 5 shows a second embodiment of the present invention. In the second embodiment, portions that perform the same functions as those of the first embodiment will be described with the same reference numerals.

  In the first embodiment, when the fuse cover portion 12 of the protective cover 10 is formed, the ring portion 20 that annularly surrounds the downward extending portion 18 of the fuse unit 8 is formed in the fuse cover portion 12. Although the ring portion 20 surrounds only the upper portion of the downward extension portion 18, the feature of the second embodiment is that the ring portion 20 of the fuse cover portion 12 of the protective cover 10 is further extended downward. The extension part 32 is formed so as to surround the whole of the downward extension part of the fuse unit.

  That is, when the protective cover 10 is formed of a material having flexibility, as shown in FIG. 5, the ring portion 20 of the fuse cover portion 12 of the protective cover 10 and the lower portion and the same shape from the ring portion 20 The extension portion 32 extended by the step is integrally formed.

  In this case, the ring portion 20 and the extension portion 32 of the fuse cover portion 12 of the protective cover 10 can surround the entire downward extension portion of the fuse unit, and the vehicle by the ring portion 20 in the first embodiment described above. Further improvement in prevention of detachment of the protective cover 10 in the event of a collision can be achieved, which can contribute to further improvement in the insulation protection function of the protective cover 10 in the event of a vehicle collision. It acts as a cushioning material at the time of collision, and can reduce damage to the fuse unit, in particular, the downward extending portion, and can contribute to further improvement of the insulation protection function.

  The present invention is not limited to the above-described embodiments, and various application modifications are possible.

  For example, in the embodiment of the present invention, the fuse cover portion of the protective cover is configured to form a ring portion that extends downward from the side wall on the fuse cover portion side and surrounds the lower extension portion of the fuse unit in an annular shape. However, a special configuration that changes the cross-sectional shape of the ring portion is also possible.

  That is, in the entire periphery of the ring portion, for example, at a portion located between the fuse cover portion and the terminal cover portion of the protective cover, the cross-sectional shape in the vertical direction or the horizontal direction of this portion is a wave shape.

  Then, the ring part having a wave shape on the entire circumference or part of the ring can improve the pressing performance of the protective cover against the battery case, and can contribute to prevention of the protective cover from being removed. It can also function as a cushioning material and can contribute to the reduction of damage to the fuse unit.

It is a back perspective view of the protective cover which shows 1st Example of this invention. It is a perspective view of a protective cover. It is a schematic perspective view of a state in which a fuse unit and a protective cover are attached to a battery case in an engine room. It is a perspective view which shows the state which attaches a fuse unit and a protective cover to a battery case. It is a perspective view of the protective cover which shows 2nd Example of this invention. It is a schematic perspective view of the state which attached the fuse unit and the protective cover to the battery case in the engine room which shows the prior art of this invention. It is a perspective view which shows the state which attaches a protective cover to a fuse unit.

Explanation of symbols

DESCRIPTION OF SYMBOLS 2 Battery case 2-1 Upper surface wall 2-2 Side wall 4 Battery post 6 Battery terminal 8 Fuse unit 10 Protection cover 10-1 Upper surface part 10-2 Side surface part 12 Fuse cover part 12-1 Upper surface wall 12-2 Side wall 14 Terminal cover Part 14-1 Upper surface wall 14-2 Side wall 16 Hinge part 18 Lower extension part 20 Ring part 22 Slit 24 Horizontal extension part 26 Opening part 28 Rib 30 Vehicle body panel

Claims (2)

  An L-shaped fuse unit is attached to the battery terminal so as to extend along the upper and side walls of the battery case at a predetermined interval, and a fuse cover portion covering the upper portion of the fuse unit and an upper portion of the battery terminal are attached. In the battery terminal protection device in which the protective cover comprising the terminal cover portion to be covered and the hinge portion movably connecting the two is attached to the fuse unit, the protective cover is formed of a flexible material, and A battery terminal comprising a fuse cover portion comprising an upper surface wall and a side wall extending downward from an edge of the upper surface wall, and a ring portion surrounding the lower extension portion of the fuse unit in an annular shape is formed on the side wall. Protection device.   The battery terminal protection device according to claim 1, wherein a rib that abuts on an upper surface of the fuse unit is formed to protrude from an inner surface of the fuse cover portion.

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