JP2003086074A - Fuse box - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fuse box in which a worker can easily find the mounting error or non-mounting of a fuse even after a cover is fit to a box body. SOLUTION: A label 22 is stuck on the top wall 13a of the cover 13 to cover a plurality of window parts 20 installed to correspond to the mounting position of a fuse 52. Since a portion corresponding to the window part 20 of the label 22 is transparent, a light transmission part 21 is installed in each window part 20 of the top wall 13a of the cover 13. An identification display 16 indicating the mounting position of the fuse 52 is installed on the side of the light transmission part 21.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fuse box mounted on an automobile.

[0002]

2. Description of the Related Art As shown in FIG. 6, a fuse box 50 conventionally has a box body 51, a fuse 52 and a cover 53. A fuse 52 including a conductive tab 52a and an insulating housing 52b is mounted on the upper surface of the box body 51. The cover 53 is attached so as to cover the box body 51 in order to protect the fuse 52. Further, the fuse 52 is the box body 5
1 is electrically connected to a conductor (not shown). In general, the fuse box 50 is often equipped with a plurality of fuses 52 having different rated values 55. For this reason,
A label 56 is attached to the cover 53 so that the attachment position of the fuse 52 attached to the box body 51, the rated value 55, and the like can be determined. Specifically, on the label 56, characters and drawings showing the mounting position of the fuse 52, the rated value 55, etc. were displayed. Alternatively, a stamp 57 for displaying the rated value 55 or the like of the fuse 52 is previously provided near the mounting position of the fuse 52 on the box body 51.
Was provided.

By the way, when a new fuse 52 is attached to the box body 51 in order to replace the fuse 52 with a blown fuse element, an operator needs to confirm the attachment position of the fuse 52 and the rated value 55. . In the conventional fuse box 50, the worker uses the fuse 52
When mounting the fuse in the fuse mounting hole 54 of the box body 51, the work of associating the rated value 55 of the fuse 52 mounted in the box body 51 with the fuse mounting hole 54 was troublesome. In particular, when replacing a plurality of fuses 52 at once, there were many problems in that the fuses 52 having an incorrect rated value 55 were attached to the box body 51.

Then, as a solution to the above-mentioned problems, there is a technique disclosed in Japanese Patent Laid-Open No. 8-331731.
In the case of the technology of this publication, in the electric connection box for automobiles,
A label 56 is attached to the outer surface of the cover 53 to indicate the mounting position of the fuse 52 mounted on the box body 51. Further, the box main body 51 is provided with a stamp 57 for displaying the rated value 55 of the fuse 52 and the like. In this case, the color of the label 56 and the marking 57 is
Insulating housing 52 of fuse 52 in corresponding position
It is the same as the color of the surface of b.

In other words, the operator is insulative housing 52b
By comparing the color of the surface of the fuse 53 with the color of the label 56 of the cover 53 and the color of the stamp 57 of the box body 51, the correct mounting position of the fuse 52 can be confirmed.

[0006]

However, in the prior art, after the cover 53 was attached to the box body 51, the operator could not confirm whether or not the fuse 52 was properly attached. Therefore, erroneous mounting or non-mounting of the fuse 52 could not be found afterwards.

The present invention has been made in view of the above problems, and it is an object of the present invention that an operator can easily find an erroneous attachment or non-attachment of a fuse even after the cover is attached to the box body. It is to provide a fuse box that can.

[0008]

In order to solve the above-mentioned problems, according to the invention as set forth in claim 1, a box main body is provided in which a plurality of fuses each having a conductive tab and an insulating housing can be mounted on a component mounting surface, A cover to be mounted on the box body so as to cover the component mounting surface, and an identification mark is attached to the upper wall of the cover at a position corresponding to the mounting position of each fuse, and a light transmitting portion is provided. What is done is the summary.

According to a second aspect of the present invention, in the first aspect of the invention, the identification mark is a colored portion having a color similar to the color of the insulating housing, which is different for each rated value of the fuse. Use as a summary.

The gist of the invention of claim 3 is that, in the invention of claim 1 or 2, the identification mark is a number indicating a rated value of the fuse.
According to a fourth aspect of the present invention, in the invention according to any one of the first to third aspects, a plurality of the light transmitting portions are provided on an upper wall of the cover so as to correspond to a mounting position of the fuse. A label that covers each window portion is attached to the outer surface of the upper wall of the cover, and a transparent portion is provided at a position corresponding to each window portion in the label. The gist of the above is that each of the parts is provided with the identification display beside it.

The "action" of the present invention will be described below. According to the first aspect of the invention, on the upper wall of the cover, a light transmitting portion is provided together with an identification display at a position corresponding to the fuse mounting position. Therefore, even after the cover is attached to the box body, the operator can
The fuse mounted on the component mounting surface of the box body can be directly viewed through the light transmitting portion provided on the upper wall of the cover. Further, since the operator can simultaneously see the fuse mounted on the component mounting surface and the identification display indicating the mounting position of the fuse from the outer surface side of the upper wall of the cover, the mounting position of the fuse can be easily performed. You can check.

According to the second aspect of the present invention, the identification mark provided on the upper wall of the cover at a position corresponding to the mounting position of each fuse is a colored portion having a color similar to the color of the insulating housing of the fuse. . Therefore, the operator can intuitively grasp the mounting position of the fuse by comparing the color of the insulating housing of the fuse confirmed through the light transmitting portion with the color of the colored portion as the identification display. . The "color similar to the color of the insulating housing" means, specifically, when the color of the insulating housing is blue,
When the color of the ultramarine blue or the insulating housing is green, it means dark green, yellow green, or the like. That is, it does not mean only the same color as the color of the insulating housing, but also includes a similar color.

According to the third aspect of the present invention, the identification mark provided on the upper wall of the cover at a position corresponding to the mounting position of each fuse is a numeral indicating the rated value of the fuse. Therefore, the operator can accurately grasp the mounting position of the fuse by comparing the rated value of the fuse confirmed through the light transmitting portion with the numeral indicating the rated value of the fuse as an identification display.

According to the fourth aspect of the invention, the light transmitting portion is a plurality of window portions that are transparently provided in the upper wall of the cover at positions corresponding to the mounting positions of the individual fuses. A label is attached to the so as to cover each window. Therefore, since it is possible to prevent water from entering through the windows, the waterproof effect of the fuse box is maintained.
That is, the label has both a base material provided with an identification display showing a mounting position of the fuse and a sealing body capable of preventing water from entering through the window. Moreover, since the light transmitting portion has a simple structure, the fuse box can be manufactured at low cost.

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of a fuse box 10 embodying the present invention will be described in detail below with reference to FIGS.

As shown in FIGS. 1 and 2, the fuse box 10 includes a box body 11 to which a fuse 52 can be attached.
It is configured by attaching a cover 13 to the. The fuse 52 mounted on the box body 11 includes a conductive tab 52a and an insulating housing 52b. The insulating housing 52b is made of insulating resin,
A fuse element (not shown) is provided inside thereof. The fuse element is integrally formed of the same metal as the conductive tab 52a formed of a conductive metal. The insulating housing 52b is a substantially rectangular parallelepiped, and the rated value 55 of the fuse 52 is displayed at the center of the upper wall of the insulating housing 52b. The color of the insulating housing 52b is the automotive standard JA.
It is defined by SO for each rated value 55 of the fuse 52. Specifically, 10A is red, 15A is blue, and 20A.
A is defined as yellow, 30A is defined as green, etc. On the other hand, a pair of conductive tabs 52a are provided on the lower wall of the insulating housing 52b.
Are provided so as to project.

As shown in FIG. 1, the box body 11 is a substantially rectangular parallelepiped and has a fuse mounting surface 11a on the side where the cover 13 is mounted. The fuse mounting surface 11a is provided with a plurality of fuse mounting holes 14. The fuse mounting holes 14 have the same size and the same shape, and are arranged in parallel in the same direction. The fuse mounting hole 14 is formed to be slightly larger than the size of the fuse 52 to be mounted.

The fuse 52 has a fuse mounting hole 1 formed in the fuse mounting surface 11a from the side of the conductive tab 52a.
4 is inserted vertically. The fuse 52 inserted through the fuse mounting hole 14 is completely inserted into the box body 11 until the upper wall of the insulating housing 52b does not project from the fuse mounting surface 11a. As a result, the fuse 52 is electrically connected to the conductor contained in the box body 11.

As shown in FIG. 1, a substantially linear projection 12 having a constant width is provided on the side wall 11b of the box body 11 so as to surround the fuse mounting surface 11a. In addition, as shown in FIG.
Each side wall has a cover 13 and a box body 11
The engaging protrusions 18b to be fixed to each other are provided so as to form a pair. The engagement protrusion 18b provided on the side wall 11b is
All have the same shape and the same size. The convex portion 12 and the engaging convex portion 18b provided on the side wall 11b of the box body 11 are both integrally formed with the box body 11.

On the other hand, the cover 13 includes an upper wall 13a and a side wall 1.
3b is a substantially rectangular parallelepiped having a U-shaped cross section. A step portion 19 having a constant width is provided at a side end portion of the side wall 13b of the cover 13. In addition, as shown in FIG. 2, two non-adjacent side walls of the side walls 11b are
Engagement recesses 18a that engage with the engagement protrusions 18b of the box body 11 are provided in pairs. Both the step portion 19 and the engaging recess 18a are integrally formed with the cover 13.

As shown in FIG. 1, the cover 13 is attached so as to cover the entire fuse mounting surface 11a of the box body 11 on which the fuse 52 is mounted. The cover 13 is fixed to the fuse mounting surface 11a side of the box body 11 by engaging the engagement convex portion 18b provided on the box body 11 and the engagement concave portion 18a provided on the cover 13 with each other. At this time, the side wall 11b of the box body 11
The convex portion 12 provided on the cover 13 is pressed against a step portion 19 provided on the side wall 13b of the cover 13. In this manner, the cover 13 is fixed to the fuse mounting surface 11a side of the box body 11, so that the fuse box 10 is configured as a whole.

As shown in FIG. 3, the upper wall 13 of the cover 13 is
The plurality of windows 20 that are transparently provided in a are provided at positions overlapping the fuse mounting holes 14 that are arranged in parallel on the fuse mounting surface 11a when projected from the insertion direction of the fuse 52. Therefore, the upper wall 13a of the cover 13 has the same number of window portions 2 as the fuse mounting holes 14 of the fuse mounting surface 11a.
0 is transparently installed. Further, on the outer surface of the upper wall 13a of the cover 13, a label 22 having an identification display 16 for displaying the mounting position of the fuse 52 is attached.

The label 22 is formed of a resin having heat resistance and light transmittance. Specific examples thereof include polycarbonate resins and methacrylic resins. Label 22
Is formed by a transparent resin sheet cut into a predetermined size. The surface of the sheet is vapor-deposited with aluminum after masking the portion overlapping the window 20. Then,
Aluminum vapor-deposited layer 2 on the unmasked part of the sheet
3 is formed. In addition, an undeposited portion not vapor-deposited with aluminum is formed on the mask portion of the sheet. That is, the transparent portion is maintained in the portion of the sheet that overlaps the window portion 20. Next, the portion of the sheet where the aluminum vapor deposition layer 23 is formed is colored with the color of the insulating housing 52b of the fuse 52. Fuses 52 separated by color
An alphanumeric character 16a indicating the rated value 55 of the fuse 52 is displayed beside the non-evaporated portion in the colored portion 16b indicating the mounting position of. The label 22 thus formed is attached to the outer surface of the upper wall 13a of the cover 13 so that the non-deposited portion is located directly above the window 20. Therefore, the light transmitting portion 21
Is a plurality of window portions 2 that are transparently provided on the upper wall 13a of the cover 13.
It is formed by overlapping 0 and the non-deposited portion of the label 22.

As shown in FIG. 2, the upper wall 13 of the cover 13 is
The label 22 attached to the outer surface of a is the fuse 5
The light transmission part 21 and the identification display 16 are provided at each of the positions corresponding to the mounting positions of 2. The identification display 16 includes an alphanumeric character 16a indicating the rated value 55 of the fuse 52 and a colored portion 16b. As shown in FIG. 5, the colored portion 16b is formed by coloring in a substantially rectangular range having a side length in the longitudinal direction of m1 and a shorter side length of m2 with a color similar to that of the insulating housing 52b. Has been done. The colored portion 16b is colored with a color similar to the color of the insulating housing 52b determined for each rated value 55 of the fuse 52. Therefore, as shown in FIG.
The portion corresponding to the mounting position of No. 2 is divided by different hatching for each rated value 55 of the fuse 52. That is, the label 22 is classified by the color of the colored portion 16b that is different for each rated value 55 of the fuse 52.

As shown in FIG. 5, a circular light transmitting portion 21 is formed in the central portion of the colored portion 16b. The diameter r of the light transmitting portion 21 is slightly smaller than the shorter side length m2 of the colored portion 16b. The cover 13 is the box body 11
When mounted on, the light transmitting portion 21 formed on the upper wall 13a of the cover 13 is arranged directly above the fuse 52 mounted on the fuse mounting surface 11a of the box body 11. Since the rated value 55 is displayed in the center of the upper wall of the fuse 52, the operator directly views the color of the insulating housing 52b of the fuse 52 and the rated value 55 displayed on the upper wall through the light transmitting portion 21. be able to. Further, on both sides of the light transmitting portion 21, an alphanumeric character 16a indicating the rated value 55 of the fuse 52 and the name 17 of the electric load to which the fuse 52 is connected are displayed. In this case, the alphanumeric character 16
It is desirable that a and the name 17 are displayed in a color different from the color of the colored portion 16b. For example, the alphanumeric characters 16a and the name 17 are preferably displayed in white or black.

Therefore, according to this embodiment, the following effects can be obtained. (1) On the outer surface of the upper wall 13a of the cover 13, the identification display 16 and the light transmitting portion 21 indicating the mounting position of the fuse 52 are provided at a position corresponding to the mounting position of the fuse 52. Therefore, when replacing the fuse 52, the worker attaches the fuse 52 to the fuse mounting surface 11a while looking at the identification display 16 provided on the upper wall 13a of the cover 13.
Can be attached to. Further, after the cover 13 is attached to the box body 11, the worker is
Fuse 5 mounted on fuse mounting surface 11a through
The rated value 55 of 2 and the color of the insulating housing 52b can be directly visually observed. Further, the operator can simultaneously see the fuse 52 mounted on the fuse mounting surface 11a and the identification display 16 showing the mounting position of the fuse 52 from the outer surface side of the upper wall 13a of the cover 13. Therefore, the operator can easily confirm the mounting position of the fuse 52 mounted on the fuse mounting surface 11a even after the cover 13 is mounted on the box body 11. Therefore, it is possible to prevent the problem that the worker mounts the fuse 52 having the wrong rated value 55 on the fuse mounting surface 11a of the box body 11.

(2) The identification display 16 indicating the mounting position of the fuse 52 is an alphanumeric character 1 indicating the rated value 55 of the fuse 52.
6a and a colored portion 16b. The color of the colored portion 16b is similar to the color of the insulating housing 52b of the fuse 52, and the color of the insulating housing 52b is the same as that of the fuse 52.
It is determined by the rated value 55 of. Therefore, the operator can see the insulating housing 5 through the light transmitting portion 21.
By comparing the color of 2b and the color of the colored portion 16b,
The mounting position of the fuse 52 mounted on the fuse mounting surface 11a can be intuitively grasped. Further, the identification display 16 showing the mounting position of the fuse 52 has a fuse 52
An alphanumeric character 16a indicating the rated value 55 of is displayed. The rated value 5 is set on the upper wall of the insulating housing 52b of the fuse 52.
Since 5 is displayed, the operator can directly see the rated value 55 of the fuse 52 through the light transmitting portion 21. Therefore, the operator more accurately grasps the mounting position of the fuse 52 mounted on the fuse mounting surface 11a by comparing the rated value 55 of the fuse 52 confirmed through the light transmitting portion 21 with the alphanumeric character 16a. be able to.

(3) A plurality of windows 20 are provided on the upper wall 13a of the cover 13, and a label 22 is attached to the outer surface of the upper wall 13a of the cover 13 so as to cover the windows 20. ing. The light transmitting portion 21 formed in this way can prevent water from entering through the window portion 20 that is provided through the upper wall 13a of the cover 13. Therefore, the waterproof effect of the fuse box 10 is maintained.

(4) The light transmitting portion 21 is formed by adhering the transparent portion of the label 22 to each window portion 20 provided on the upper wall 13a of the cover 13. in this case,
Since the light is emitted through the light transmitting portion 21, after the cover 13 is attached to the box body 11, the operator accurately grasps the color and the rated value 55 of the insulating housing 52b of the fuse 52 attached to the fuse attaching surface 11a. be able to. Therefore, it is possible to further prevent the problem that the worker mounts the fuse 52 having the wrong rated value 55 on the fuse mounting surface 11a of the box body 11. (5) The cover 13 is integrally formed with the upper wall 13a having a plurality of windows 20 provided therethrough. In this case, the amount of material required for integrally forming the cover 13 is smaller than that in the case where the window 20 is not provided on the upper wall 13a. Therefore, the fuse box 10 as a whole can be reduced in cost and weight by reducing the amount of material used. (6) On the upper wall 13a of the cover 13, a plurality of windows 20 having the same shape and the same size are provided so as to be arranged in parallel. Therefore, the cover 13 is partially and minimally provided with holes, so that the cover 13
It is possible to prevent a decrease in strength. (7) A label 22 is attached to the upper wall 13a of the cover 13 so as to cover each window 20. For this reason, the respective window portions 20 provided transparently on the upper wall 13a of the cover 13 are
It is sealed by two transparent parts. Therefore, label 2
Since the light transmitting portion 21 formed of the two transparent portions has a simple structure, the fuse box 10 can be easily manufactured at low cost.

The embodiment of the present invention may be modified as follows. In the above embodiment, the identification wall 16 and the window 20 indicating the mounting position of the fuse 52 are provided on the upper wall 13a of the cover 13 at a position corresponding to the mounting position of the fuse 52. However, the entire upper wall 13a of the cover 13 may be the light transmitting portion 21.

In the above embodiment, the upper wall 1 of the cover 13
The label 22 attached to the outer surface of 3a was formed of a transparent resin sheet having heat resistance. However, other than the label 22 may be used as the sealing body of the window 20. Specifically, a light-transmissive portion 21 may be formed by pressing a piece cut out from a transparent resin plate material into the window portion 20 of the upper wall 13a of the cover 13 as a sealing body. .

In the above embodiment, the upper wall 1 of the cover 13
The label 22 attached to the outer surface of 3a is formed by vapor-depositing a heat-resistant transparent resin sheet on aluminum. However, in the label 22 made of a resin sheet, the aluminum vapor deposition layer 23 may be omitted.

In the above embodiment, the upper wall 1 of the cover 13
The label 22 attached to the outer surface of 3a had the identification display 16 indicating the mounting position of the fuse 52. However, the identification display 1 showing the mounting position of the fuse 52
6 may be directly stamped or printed on the outer surface of the upper wall 13a of the cover 13.

In the above embodiment, the upper wall 1 of the cover 13
The shape of the window portion 20 provided through 3a was circular. However, the shape of the window portion 20 provided on the upper wall 13a of the cover 13 may be a shape other than a circular shape.

Next, the technical ideas grasped by the above embodiment and other examples will be listed below. (1) The fuse box according to any one of claims 1 to 4, wherein the identification display is a character indicating a name of an electric load to which the fuse is connected. With this configuration, when the fuse element is blown, the operator can easily confirm the electric load in which the overcurrent has flowed by the identification display.

[0036]

As described above in detail, according to the first aspect of the present invention, even after the cover is attached to the box body, the operator can easily find the erroneous attachment or non-attachment of the fuse. It is possible to provide a fuse box capable of

According to the invention described in claims 2 to 3, it is possible to provide a fuse box in which the mounting position of the fuse can be sensuously and accurately grasped through the light transmitting portion.

According to the fourth aspect of the invention, since the light transmitting portion has a simple structure, the fuse box can be manufactured at low cost. Further, since the label is sealed in the window portion of the cover, the waterproof effect of the fuse box is maintained.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a fuse box of the present embodiment.

FIG. 2 is a plan view of a fuse box according to this embodiment.

FIG. 3 is a partial cross-sectional view of a fuse mounting surface side of the fuse box of the present embodiment.

FIG. 4 is an enlarged view of a fuse and a fuse mounting hole of the present embodiment.

FIG. 5 is an enlarged view of a light transmitting portion and a coloring portion of this embodiment.

FIG. 6 is an exploded perspective view of a conventional fuse box.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Electric wire, 10 ... Fuse box, 11 ... Box main body, 11a ... Fuse mounting surface, 11b ... Side wall, 12 ... Convex part, 13 ... Cover, 13a ... Upper wall, 13b ... Side wall, 14
… Fuse mounting hole, 16… Identification display, 16a… Alphanumeric characters,
16b ... Colored part, 17 ... Name, 18a ... Engagement recess, 18
b ... Engagement convex portion, 19 ... Step portion, 20 ... Window portion, 21 ... Light transmitting portion, 22 ... Label, 23 ... Aluminum vapor deposition layer, 51 ... Box body, 52 ... Fuse, 52a ... Conductive tab, 52b
... Insulating housing, 53 ... Cover, 54 ... Fuse mounting hole, 55 ... Rated value, 56 ... Label.

Claims (4)

[Claims] 1. A box body in which a plurality of fuses each having a conductive tab and an insulating housing can be mounted on a component mounting surface,
A cover to be mounted on the box body so as to cover the component mounting surface, and an identification mark is attached to the upper wall of the cover at a position corresponding to the mounting position of each fuse, and a light transmitting portion is provided. Fuse box characterized by being 2. The fuse box according to claim 1, wherein the identification display is a colored portion having a color similar to the color of the insulating housing, which is different for each rated value of the fuse. 3. The fuse box according to claim 1, wherein the identification display is a number indicating a rated value of the fuse. 4. The light transmitting portion is a plurality of window portions that are provided through the upper wall of the cover in correspondence with the mounting positions of the fuses, and the window portions are provided on the outer surface of the upper wall of the cover. A covering label is attached, a transparent portion is provided at a position corresponding to each window portion in the label, and the identification display is provided beside the transparent portion. The fuse box according to any one of items 1 to 3.