JP2003118505A - Electric connection box - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electric connection box efficiently detached from a car body and recovered in dismantling an abandoned car. SOLUTION: This electric connection box 11 stores an electric circuit in a case inside and has a fixing leg 13 for being fitted and fixed to a vehicle side. This electric connection box 11 is provided with a recess part 12 for hanging a J-shaped hook for a hoist in dismantling in an appropriate part in the case lower surface side.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a junction box (J / B), a relay box (R / B), an electronic control unit box (ECU / B).
The present invention relates to an electric connection box for automobiles, etc., and particularly to an electric connection box designed to be easily recycled.

[0002]

2. Description of the Related Art As is well known in the art, in order to form a circuit for connecting a wire harness to electrical components in an automobile,
Electrical connection boxes such as a junction box (J / B), a relay box (R / B), and an electronic control unit box (ECU / B) are attached. These electric junction boxes have electric circuits (formed of metal bus bars) such as circuits for power distribution inside the case,
A plurality of connector connecting portions for electrical connection are formed on the outside of the case. The electric connection box is provided with fixing feet for mounting and fixing to the vehicle body, and is fixed by bolts, nuts, screws or the like.

On the other hand, recently, the recognition of environmental problems has increased,
Effective recycling of resources has become a major issue. Such issues are no exception for discarded vehicles. Not only wire harnesses used by electronic vehicles but also electric connection boxes connected to them use a large amount of metal materials such as copper, so that recycling cannot be ignored at present.

By the way, in dismantling a discarded vehicle, when the electric connection box is removed from the vehicle body and collected, a pulling device such as a crane is used, and the J-shaped hook is hooked on the electric connection box or the wire harness connected thereto. It was removed by pulling it up. The situation is shown in FIG. 1 and FIG.
Shown in.

FIG. 1 is a view showing a state in which a J-shaped hook F is hooked on a wire harness W and pulled up to remove the electric junction box 1. In the figure, 2 is an electric junction box body, 3 is a fixing foot, 4 is a connector connecting portion, and 5 is a fixing hole. In such a configuration, even if the J-shaped hook F is hooked and pulled, the electric connection box 1 is firmly fixed to the vehicle body, so that the wire harness W is only detached from the connector connection portion 4, and the electric connection box 1 is It was often left as it was.

FIG. 2 is a view showing how the electric connection box 1 is removed by hooking the J-shaped hook F on the electric connection box 1 and pulling it up. 2, the same elements as those in FIG. 1 are designated by the same reference numerals. In such a configuration, even if the J-shaped hook F is hooked on the electric junction box 1,
The hook F slipped sideways, and it was not possible to hold it reliably, so it often came off.

As described above, in the structure of the conventional electric connection box, even if the connection box is collected and recycled when the scrapped vehicle is dismantled, the wire harness is only detached from the connector connection portion or detached from the electric connection box. , In some cases, it may not be possible to remove it due to the strength of fixing the electric junction box.In such a case, if the operator manually removes the fixtures such as bolts used for fixing,
The workability was poor, a lot of time was spent, and the dismantling cost increased.

[0008]

SUMMARY OF THE INVENTION The present invention has been made in order to solve the problems of the prior art, and provides an electric junction box that can be efficiently removed from the vehicle body and collected when the vehicle is scrapped. The task is to do.

[0009]

According to the present invention, the above problems can be solved by the following technical means. (1) An electric connection box for an automobile, which has an electric circuit housed inside a case and has fixing legs for mounting and fixing to the vehicle side, has a recess for hooking a J-shaped hook of a pulling device during disassembly work. An electric connection box characterized in that it is provided in an appropriate place on the lower surface side of the case of the electric connection box. (2) The electrical junction box according to (1), wherein the recess is formed in a hole shape into which the tip of the hook can be inserted. (3) The above-mentioned (1), wherein the concave portion is formed in a groove shape into which a hook can be inserted and the state thereof can be maintained.
Electrical connection box described in. (4) The electrical connection box according to (3), wherein the recess comprises a hook insertion groove formed between a pair of protrusions provided at appropriate positions on the lower surface side of the case of the electrical connection box. (5) An electric connection box for an automobile, which has an electric circuit housed in the case and has fixing feet for mounting and fixing to the vehicle side, has a through hole penetrating from the case lower surface to the upper surface of the electric connection box, In a state in which a disassembling jig having a hook portion for hooking a J-shaped hook of the pulling device at one end thereof and the main body of which can be inserted into the through hole, exposes the hook portion from the upper surface of the case of the electrical junction box, An electric junction box, wherein the main body is inserted into the through hole and fixed. (6) In an electric connection box for an automobile having an electric circuit housed inside a case and having fixing legs for mounting and fixing to a vehicle side, at least one of the mounting portions by the fixing legs has a pulling device J. An electric junction box, which is formed in a shape having a hook portion for hooking a character hook. (7) The fixing feet are formed in a structure that is easily broken during dismantling work, (1) to (6)
The electrical junction box according to any one of. (8) The electric connection box according to (6), wherein the fixing foot is formed in a structure that is easily broken near the fixing part to the vehicle while leaving the hooking part left during dismantling work. . (9) The electric junction box according to any one of (1) to (8), wherein a display indicating a hooked position of the J-shaped hook during disassembly work is provided on a part of the case.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to preferred examples. First, the first embodiment of the present invention is shown in FIG. 3A and 3B schematically show the electric connection box 11 for an automobile according to the first embodiment. FIG. 3A is a perspective view, FIG. 3B is a side view, and FIG. 3C is a bottom view. The electrical junction box 11 of this embodiment has a cylindrical recess 12 at the center of the lower surface. The recess 12 is for hooking a J-shaped hook F of a lifting device such as a crane during dismantling of a discarded vehicle. The shape and size of the recess 12 depend on the shape and size of the tip hooked portion of the J-shaped hook F. , Is appropriately set so that it can be easily hooked. It should be noted that the formation position of the recess 12 need not be substantially in the center on the lower surface side.

The electric junction box 11 has fixing feet 13 for fixing to the vehicle body. The fixing foot 13 has a through hole 14 and is attached to the vehicle body by a conventionally known fixing method such as a bolt / nut or a screw. In this example, the fixing feet 13 are arranged on both the left and right sides of the electric connection box 11 so as not to interfere with the removal during the dismantling work. In the present embodiment, the structure of the fixing foot 13 is such that the fixing foot is easily broken when the J-shaped hook F is hooked and pulled up during the disassembling work (easy breaking portion). This fragile structure can be realized by reducing the wall thickness, forming a groove, or making the shape of the through hole 14 long and thin. In this case, the structure of the vehicle is designed so that it can be fixedly attached while the vehicle is in use. Further, in the electrical junction box 11 of the present embodiment, an arrow (hook hooking position display) 15 indicates a position where the J-shaped hook F is hooked at a position where a worker can easily see it during disassembly work. In the figure, 16 is a wire harness and B is a fixing foot breaking portion.

With the above-described structure, the J-shaped hook F of the pulling device is provided with the recess 12 of the electric connection box 11 during the disassembling operation.
The electrical connection box 11
Can be removed quickly and reliably. Further, by making the fixing foot 13 to be easily broken, the conventional problem that the electric junction box 11 withstands pulling and does not come off can be solved. Furthermore, the hooking position display 15
As a result, the workability at the dismantling site can be improved.

Next, a second embodiment of the present invention is shown in FIG.
FIG. 4 is a perspective view schematically showing the electric connection box 21 for an automobile according to the second embodiment. The electrical junction box 21 of this embodiment
Has a hook insertion groove 22 substantially at the center on the lower surface side. The hook insertion groove 22 is for hooking the J-shaped hook F of the pulling device at the time of dismantling a discarded vehicle. In the illustrated example, the hook insertion groove 22 has a gentle curved shape with a concave cross section, but the hook of the J-shaped hook F is
As long as the shape can be surely maintained, the state shown in FIG.
The cross section may be U-shaped as shown in (a), or may be various shapes such as V-shaped and U-shaped. In addition,
The formation position of the hook insertion groove 22 does not have to be substantially the center on the lower surface side.

The electric junction box 21 has fixing feet 23 for mounting and fixing to the vehicle body. Also in this example, the fixing feet 23 are arranged on both the left and right sides of the electric connection box 21 so as not to interfere with the removal during the vehicle disassembly work. The fixing foot 23 has a through hole 24 and is attached to the vehicle body by a conventionally known fixing method such as a bolt / nut or a screw.

The structure of the fixing foot 23 may be a structure (easy breakage structure) in which the fixing foot is easily broken when the J-shaped hook F is hooked and pulled up during dismantling work. With this fragile structure, you can reduce the wall thickness, form a groove,
This can be realized by making the shape of the through hole 24 long and thin. In this case, the structure of the vehicle is designed so that it can be fixedly attached while the vehicle is in use. In the figure, 25 is a connector connecting portion.

With the above construction, the J-shaped hook F of the pulling device is hooked in the hook insertion groove 22 of the electric connection box 21 and lifted up during the disassembling work, so that the electric connection box 21 can be swiftly and surely. Can be removed. In this example, since the position where the J-shaped hook F is hooked is defined by the hook insertion groove 22, the removal work becomes easy. Moreover, since the force is directly applied to the fixing foot 23,
Even if the bolts are fastened, the fixing feet 23 are likely to be broken and can be efficiently removed. In this example as well, the hook hooking position display may be provided as in the first embodiment so that the operator can visually recognize the hooking position of the J-shaped hook F at a glance.

In the second embodiment, the hook insertion groove 22 is provided so as to enter a part of the main body of the electric junction box 21. However, as shown in FIG. It is also possible to provide a pair of projecting portions 26 in between and to form a hook insertion groove 27 into which a J-shaped hook can be inserted and held. Even with such a structure, the same excellent effects as described above can be obtained.

Next, a third embodiment of the present invention is shown in FIG.
6A and 6B schematically show an electric connection box 31 for an automobile according to the third embodiment. FIG. 6A is a plan view and FIG. 6B is a perspective view. The electrical junction box 31 of the present embodiment has a through hole 32 penetrating from substantially the center on the lower surface side to substantially the center on the upper surface, and the disassembly jig 33 is attached and fixed to the through hole 32. The dismantling jig 33 has a hook portion 34 for hooking a J-shaped hook (not shown) of the lifting device at one end thereof, and the main body 35 is formed by a bolt through which the electric connection box 31 can be inserted. The end has a structure that can be tightened and fixed with a nut 36. Then, the dismantling jig 23 is attached and fixed in a state where the hooking portion 34 is exposed from the upper surface of the case of the electric junction box 31. The position of the through hole 32 does not necessarily have to be the center.

The electric junction box 31 has fixing feet 37 for fixing to the vehicle body. The fixing foot 37 has a through hole 38 and is attached to the vehicle body by a conventionally known fixing method such as a bolt / nut or a screw. Also in the present embodiment, as in the first embodiment, the structure of the fixing foot 37 is such that the fixing foot 37 is easily broken when the J-shaped hook is hooked up during the disassembling work (easy breaking structure). be able to. With this fragile structure, you can reduce the wall thickness, form a groove,
This can be realized by elongating the shape of the through hole 38. In this case, the structure of the vehicle is designed so that it can be fixedly attached while the vehicle is in use. Further, in the electrical junction box 31 of the present embodiment, as in the case of the first embodiment, the position at which the J-shaped hook is hooked is indicated by an arrow (hook hooking position display) 39 at a location where the operator can easily see it during disassembly work. You may do it.

With the above-mentioned structure, the J-shaped hook of the pulling device is hooked on the hook portion 34 of the dismantling jig 33 attached to the electric connection box 31 during the dismantling work, and the electric connection box 31 is pulled up. Can be removed quickly and reliably. Further, if the fixing foot 37 is made to be easily broken, the conventional problem that the electric connection box 31 withstands pulling and does not come off can be solved. Further, by attaching the hooking position display 39, it is possible to further enhance the workability at the dismantling site. Further, the J-shaped hook may not be able to be hooked on the wire harness depending on the type of vehicle, the installation location, etc. According to the above configuration, even in such a case, the disassembly jig provided in the electrical junction box 31. By hooking the J-shaped hook on the hook portion 34 of 33, there is an advantage that the electric connection box 31 and the wire harness can be removed at once.

Next, a fourth embodiment of the present invention is shown in FIG.
FIG. 7 is a perspective view schematically showing an electric connection box 41 for an automobile according to the fourth embodiment. Electrical connection box 41 of this embodiment
Has fixing legs 42 and 44 for attachment and fixing to the vehicle body. The fixing feet 42 and 44 have through holes 43 and 45, and are attached to the vehicle body by a conventionally known fixing method such as bolts and nuts or screws. In the fourth embodiment, the mounting portion by the fixing foot 45 is shaped so as to form a hooking portion 46 for hooking a J-shaped hook (not shown) of the lifting device. That is, the fixing foot 44 is
The hooking portion 46 is left as it is during the disassembling work, and the other portions are formed to have a structure that is easily broken (easy breaking structure). This fragile structure can be realized by reducing the wall thickness, forming a groove, or making the shape of the through hole 45 long and thin. Further, the fixing foot 42 also has a structure that is easily broken when the electric connection box 41 is pulled up by hooking a J-shaped hook on the hooking portion 46 during disassembly work. This fragile structure is the same as above. Fixing feet 42,
If the structure of 44 is easily broken, the structure is designed so that the mounting and fixing can be maintained while the vehicle is in use. In addition, 47 is a wire harness.

With the above-mentioned structure, the J-shaped hook of the pulling device is fixed to the foot 4 for fixing the electric connection box 41 during the disassembling work.
By hooking on the hooking portion 46 formed in 4 and pulling up, the electric connection box 41 can be quickly and surely removed. Here, the hook portion 4 of the fixing foot 44
By making the portions other than 6 and the fixing foot 42 easy to break, the hooking portion 46 remains in a state where its function is maintained, the pulling up work is continued, and the electric connection box 41 is pulled and detached. The existing inconveniences that do not exist are eliminated.

[0023]

As described in detail above, according to the present invention, since the above-mentioned configuration is adopted, an electric connection box having excellent recyclability, which can be efficiently removed from the vehicle body and collected when disassembling a discarded vehicle. Can be provided.

[Brief description of drawings]

FIG. 1 is an explanatory view of a conventional method of hooking a J-shaped hook on a wire harness to remove an electric connection box.

FIG. 2 is an explanatory view of a conventional method of removing an electric connection box by hooking a J-shaped hook on the electric connection box.

FIG. 3 is a diagram showing an electric junction box for an automobile according to a first embodiment of the present invention.

FIG. 4 is a diagram showing an electric junction box for an automobile according to a second embodiment of the present invention.

FIG. 5 is a diagram showing two examples of hook insertion grooves.

FIG. 6 is a diagram showing an electric connection box for automobiles according to a third embodiment of the present invention.

FIG. 7 is a diagram showing an electric junction box for an automobile according to a fourth embodiment of the present invention.

[Explanation of symbols]

11 Electric connection box 12 Recess (Hook) 13 fixing feet 14 through holes 15 Hook hook position display 16 wire harness 21 Electric connection box 22 Hook insertion groove 23 Fixing feet 24 through holes 25 Connector connection part 26 Projection 27 Hook insertion groove 31 electrical junction box 32 through holes 33 Dismantling jig 34 Hook 35 body (bolt) 36 nuts 37 fixing feet 38 through holes 39 Hook hook position display 41 electrical junction box 42,44 fixing feet 43, 45 through holes 46 Hook 47 wire harness F J-shaped hook B Fixed foot breaking part

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Ezo Abo             1-7-10 Kikuzumi, Minami-ku, Nagoya-shi, Aichi             Auto Network Technical Laboratory Co., Ltd. (72) Inventor Hiroyuki Hayashi             1-7-10 Kikuzumi, Minami-ku, Nagoya-shi, Aichi             Auto Network Technical Laboratory Co., Ltd. (72) Inventor Takamitsu Miyakoi             1-7-10 Kikuzumi, Minami-ku, Nagoya-shi, Aichi             Auto Network Technical Laboratory Co., Ltd. (72) Inventor Keiichi Ito             1 Toyota Town, Toyota City, Aichi Prefecture Toyota Auto             Car Co., Ltd. (72) Inventor Yoshihide Tsukamoto             1 Toyota Town, Toyota City, Aichi Prefecture Toyota Auto             Car Co., Ltd. (72) Inventor Isao Yoneyama             1 Toyota Town, Toyota City, Aichi Prefecture Toyota Auto             Car Co., Ltd. F-term (reference) 4E360 AB12 AB20 AC03 EA03 EA22                       EC01 ED02 ED17 ED27 EE02                       FA03 FA09 GA53 GB93 GB94                       GC08                 5G361 AA06 AB12 AC01 AE01

Claims (9)

[Claims] 1. An electric connection box for an automobile, which accommodates an electric circuit inside a case and has fixing legs for mounting and fixing to a vehicle side, for hooking a J-shaped hook of a pulling device during dismantling work. An electric connection box, characterized in that a recess is provided at an appropriate position on the lower surface side of the case of the electric connection box. 2. The electric junction box according to claim 1, wherein the recess is formed in a hole shape into which a hook tip can be inserted. 3. The electric junction box according to claim 1, wherein the concave portion is formed in a groove shape into which a hook can be inserted and the state thereof can be maintained. 4. The electric connection box according to claim 3, wherein the recess comprises a hook insertion groove formed between a pair of protrusions provided at appropriate positions on the lower surface side of the case of the electric connection box. . 5. An electric connection box for an automobile, which has an electric circuit housed in the case and has fixing feet for mounting and fixing to the vehicle, having a through hole penetrating from the case lower surface to the upper surface of the electric connection box. Then, a disassembling jig having a hook portion for hooking a J-shaped hook of the pulling device at one end thereof and the main body of which can be inserted into the through hole,
An electrical connection box, wherein the main body is inserted into and fixed to the through hole in a state where the hooking portion is exposed from a case upper surface of the electrical connection box. 6. An electric connection box for an automobile, which accommodates an electric circuit inside a case and has fixing legs for mounting and fixing to a vehicle side, wherein at least one of the mounting portions by the fixing legs is a pulling device. The electric junction box is formed in a shape having a hook portion for hooking the J-shaped hook. 7. The fixing foot is formed in a structure that is easily broken during dismantling work.
The electrical junction box according to any one of 6. 8. The electrical connection according to claim 6, wherein the fixing foot is formed in a structure that is easily broken in the vicinity of a portion fixed to the vehicle while the hooking portion remains during disassembly work. box. 9. The electric junction box according to claim 1, wherein a display indicating a hooked position of the J-shaped hook during disassembling work is provided on a part of the case.