JP2747129B2 - Box with cover - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a box having a cover such as a fusible link box provided with a fusible link connected to a battery mounted on a vehicle or the like.

[0002]

2. Description of the Related Art A fusible link box 1 (hereinafter, referred to as Japanese Utility Model Laid-Open Publication No. 62-130054) shown in FIG.
FL box 1). This FL box 1 houses a fusible link as an electric component.
The FL box 1 includes a power supply terminal plate 5 having one end fixed to the FL box 1 and supported by a support member 3 made of an insulating material. One end of the power supply terminal plate 5 is electrically connected to the terminal of the fusible link, and the other end protrudes from the FL box 1 and is connected to a battery terminal (not shown). An upper portion of the FL box 1 is covered with a main cover 7, and a fixing portion of the power supply terminal plate 5, which cannot be covered with the main cover 7, is covered with a side cover 9. The side cover 9
Is considered in consideration of the mounting work of the terminal plate 5 and maintenance, etc.
The L box 1 is provided to be freely opened and closed via a hinge 11. The main cover 7 is formed of an acid-resistant synthetic resin such as polypropylene, and the FL box 1 and the side cover 9 are both formed of a heat-resistant synthetic resin such as nylon.

[0003]

By the way, the fusible link is directly connected to the battery terminal, and a relatively large current flows from the battery, so that the fusible link easily generates heat.
Is required to have heat resistance. On the other hand, the FL box 1 is arranged near the battery terminal, and it is necessary to prevent oxidation and corrosion due to battery fluid and the like, and it is also required to have acid resistance.

Accordingly, as shown in FIG. 6, when the FL box 1 and the side cover 9 are both made of a heat-resistant synthetic resin, the hinge 11 is weak against acid, and There is a problem that the side cover 9 falls off.

[0005] Therefore, an object of the present invention is to provide a box having a cover capable of improving heat resistance and acid resistance.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a heat-resistant box for accommodating an electric component, and a power supply terminal having a fixed portion fixed to the box and electrically connected to the electric component. a plate, a cover covering the box overall, a main cover covering substantially the whole of the cover box, divided configuration and the side cover that covers the fixing portion of the power terminal plate, said side cover External
The sub-engaging portion and the sub-engaged portion that are hidden from the box side
And the main cover and side cover are engaged.
The part and the engaged part can be freely combined, and at least the side cover is made of an acid-resistant material.

[0007]

The cover is divided into a main cover that covers almost the entire box and a side cover that covers the fixing portion of the power supply terminal plate. The side cover is composed of a sub-engaging portion and a sub-engaged portion that are hidden from the outside. Locked to the box side, the main cover and the side cover are joined by the engaging part and the engaged part, and at least the side cover is made of acid-resistant material,
A portion that is easily affected by an acid is made acid-resistant. Further, the locking of the side cover to the box side is hardly affected by the outside, and the acid resistance is improved. Moreover, the box is heat-resistant and resistant to heat.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below in detail with reference to FIGS.

FIG. 1 is an exploded perspective view showing the entire structure of the present invention, FIG. 2 is a perspective view showing the connection between the FL box and a side cover, FIG. 3 is a partially cutaway side view of FIG. 2, and FIG. FIG. 5 is a partially cutaway side view of FIG. 4 showing the entire configuration including a cover.

FIG. 1 shows a box for storing a fusible link (not shown) as an electric component, a fusible link box 21 (hereinafter, referred to as FL box 21), a power supply terminal plate 23 fixed thereto, and The F
A cover 25 that covers the entire L box 21 is shown.

The FL box 21 is made of a heat-resistant synthetic resin such as nylon (for example, having a heat distortion temperature of 14).
It is molded at a temperature of 9 to 182 ° C. (a value of 4.6 kg / cm ² ). The FL box 21 has a cavity 27 for accommodating a fusible link (not shown), a concave portion 29 for fixing the power supply terminal plate 23 is provided on one wall thereof, and a main male lock 31 is provided on both side walls. Is provided. An insulating support member 3 for supporting the protruding terminal 23a of the power supply terminal plate 23 is provided above the concave portion 29.
3 is projected upward. Sub male locks 35 are provided on both side walls of the support member 33 as sub engagement portions.

The power supply terminal plate 23 integrally forms the protruding terminal 23a connected to a battery terminal (not shown) and a fixing portion 23b fixed to the concave portion 29 of the FL box 21. The fixing portion 23b is fastened and fixed to the concave portion 29 by a fixing screw 37, and the protruding terminal 23a is insulated and supported by the support member 33.

The cover 25 is divided into a main cover 39 and a side cover 41, and an integral cover 25 is formed by connecting respective engaging portions and engaged portions to be described later. It is configured to cover the entirety.

The main cover 39 is formed of an acid-resistant synthetic resin such as polypropylene, for example, and is formed in a box shape having an open lower portion as shown in FIG. Is configured. On the front side of the main cover 39, an opening 43 having a slightly larger interval with respect to the width of the support member 33 is provided, and a pair of sliding flanges 45 as engagement portions are provided on both sides of the opening 43. Are provided integrally. Further, on both side walls of the main cover 39, there are provided main female locks 47 which are detachably engaged with the main male locks 31 provided on the FL box 21. Then, by engaging the main female lock 47 of the main cover 39 with the main male lock 31 of the FL box 21, the main cover 39 is positioned and fixed while covering the FL box 21.

The side cover 41 is provided on the main cover 3.
As in FIG. 9, it is formed of an acid-resistant synthetic resin such as polypropylene, for example, and is formed in a plate-like body having a width slightly larger than the opening 43 of the main cover 39 as shown in FIG. A pair of protrusions 49 are provided integrally on the inner side of the end. A slide groove portion 51 is provided on an outer surface of each of the ridge portions 49 as an engaged portion for engaging and disengaging the slide collar portion 45 of the main cover 39, and the sub male lock is provided on an inner surface thereof. 35
A sub-female lock 53 is provided as a sub-engaged portion that is removably engaged with the lock. And the side cover 41
By engaging the sub female lock 53 with the sub male lock 35 and fitting the slide flange 45 of the main cover 39 into the slide groove 51, the side cover 41 closes the opening 43 of the main cover 39. It is positioned and fixed on the FL box 21 side. Further, a protruding plate 55 having a T-shaped cross section is provided on the inner side surface of the lower end portion of the side cover 41 so as to protrude inward and the leading end portion of which is engaged with the front wall of the FL box 21.

Next, the procedure for assembling the cover 25 will be described.

[0017] First, as shown in FIG. 2, FIG. 3, the sub-male lock 35 provided on the support member 33 of the FL box 21 that secure the power terminal plate 23, engaging the sub female lock 53 rhino de cover 41 Then, the side cover 41 is positioned and fixed to the FL box 21. When fixing this,
Cyclic de cover 41 to FL box 21 is slid from the lower side of FIG. This slide is regulated by the protruding plate 55 abutting on the lower end of the power supply terminal plate 23,
Mounting can be performed smoothly.

Next, the slide flange 4 of the main cover 39 is inserted into the slide groove 51 provided in the side cover 41.
5, the main cover 39 and the side cover 41 are connected to each other, and the main female lock 47 of the main cover 39 is engaged with the main male lock 31 provided on the FL box 21. Position and fix to 21.

As described above, the cover 25 is formed in a state where the main cover 39 and the side cover 41 are joined, and the entire FL box 21 is covered by positioning and fixing each of them to the FL box 21.

In this case, the FL box 21 which is easily affected by the heat of the power supply voltage via the power supply terminal plate 23 has heat resistance, and deformation due to heat is suppressed. The sub-male lock 35 and the sub-female lock 53 are located at positions hidden from the outside, and substantially the entire FL box 21 is covered with an acid-resistant main cover 39 and a side cover 41. Since it is disposed so as to be substantially inside of 21, the battery is prevented from being oxidized by the battery solution, and the side cover 41 is prevented from falling off.

[0021]

As is clear from the above, according to the structure of the present invention, the box affected by the power supply voltage is resistant to heat, at least the side cover is acid-resistant, and the engagement of the side cover on the box side is prevented. The sub-engagement part and sub-engaged part to be performed are located in a position hidden from the outside, and almost the entire box is covered with the main cover, so the engagement of the side cover is hardly affected by acid and prevents dropping out can do.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing an entire configuration of an embodiment.

FIG. 2 is a perspective view showing the connection between the FL box and a side cover.

FIG. 3 is a partially cutaway side view of FIG. 2;

FIG. 4 is a perspective view showing the entire configuration.

FIG. 5 is a partially cutaway side view of FIG. 4;

FIG. 6 is a perspective view showing a conventional example.

[Explanation of symbols]

 Reference Signs List 21 fusible link box (box) 23 power supply terminal plate 25 cover 39 main cover 41 side cover 35 sub-male lock (sub-engagement part) 45 slide brim part (engagement part) 51 slide groove part (engaged part) 53 Sub female lock (sub engaged part)

Claims (1)

(57) [Claims] 1. A heat-resistant box in which an electric component is stored, a power supply terminal plate having a fixing portion fixed to the box and electrically connected to the electric component, and a cover covering the entire box. a main cover covering substantially the entire box cover, divided configuration and the side cover that covers the fixing portion of the power terminal plate, the side cover from the outside
Hidden sub-engagement part and sub-engaged part on the box side
The main cover and the side cover are engaged with each other.
And it is freely coupled with the engaged portion, the box having a cover which is characterized by being configured at least the side covers with acid resistant material.