JPH09199194A - Waterproof protecting cover - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a seal agent from leaking to the outside. SOLUTION: In a waterproof protecting cover for a wire connection part charged with a viscoelastic seal agent 8, main units 22, 32 and cover units 23, 33 connected by hinges 24, 34 are respectively provided, an outer/inner case 21, 31, forming an individual sealed space by mating opening surfaces of each main unit and cover unit, is provided. In the interior of the main unit 22 of the outer case, the main unit 32 of the inner case is integrally formed, the hinge 34 of the inner case is integrally formed with a main unit side edge 22b in an opposite side to the hinge 24 of the outer case, so as to provide a constitution that the cover unit 33 of the inner case can be opened to outside the main unit 22 of the outer case, lock mechanisms 25, 26 locking the outer case 21 closed are provided in side edges 22b, 23b in an opposite side to the hinge 24 of the main unit 22 of the outer case and the cover unit 23, inner parts 35, 36 of the main unit 32 of the inner case 31 and the cover unit 33 are used to serve as a receiving part of the wire connection part, the concerned inner parts 35, 36 are charged with the seal agent 8.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waterproof protection cover for protecting a wire connecting portion from water.

[0002]

2. Description of the Related Art A conventional waterproof protective cover 1 is shown in FIGS. In this waterproof protective cover 1, a half-divided main body 2 and a lid body 3 are connected by a hinge 4, and lock portions 5 and 6 on the opposite side,
The main body 2 and the lid 3 can be locked in a closed state. The insides 6 and 7 of the main body 2 and the lid body 3 are filled with a viscoelastic sealant 8, and the electric wires W sandwiched between the main body 2 and the lid body 3 are formed by fitting the main body 2 and the lid body 3 together. The connecting portion WS is adapted to be protected via the sealant 8.

[0003]

By the way, in the conventional waterproof protective cover 1, as shown in FIGS. 6 (a) and 6 (b), the main body 2 and the lid body with the electric wire connecting portion (not shown) sandwiched therebetween are provided. The sealing agent 8 having viscoelasticity inside may leak to the outside (reference numeral 8a indicates the leaking sealing agent) at the time of matching work of 3, or due to deformation of the main body 2 or the lid 3, and the like. was there.

In view of the above circumstances, it is an object of the present invention to provide a waterproof protective cover which prevents the sealing agent filled inside from leaking to the outside.

[0005]

According to a first aspect of the present invention, a main body and a lid body, which are respectively filled with a sealing agent having viscoelasticity, are combined with each other, so that a wire connecting portion housed between the main body and the lid body is sealed with the sealing agent. In the waterproof protective cover that is protected via a main body and a lid, each of which has one side edge connected by a hinge, and the opening faces of the main body and the lid are aligned with each other to form an individually sealed space. An outer case and an inner case having a size that can be accommodated inside the outer case are provided, and the main body of the inner case is integrated inside the main body of the outer case with the opening surfaces of both main bodies facing the same direction. The hinge of the inner case
The lid of the inner case is configured to open outside the body of the outer case by being integrated with the side edge of the body of the outer case opposite to the hinge of the body of the outer case, and the hinge of the body of the outer case and the hinge of the lid. A lock mechanism for locking the outer case body and the lid body to each other when the outer case is closed is provided on the side edge on the opposite side to the inner case body and the lid body to accommodate the wire connecting portion. And the inside is filled with the sealing agent.

In this waterproof protective cover, a sealant is filled inside the inner case, and a side edge (matching edge) opposite to the hinge of the inner case faces the hinge side of the outer case inside the outer case. Therefore, even if the sealant leaks from the mating edge when the inner case is closed with the wire connection part sandwiched, the place where the sealant leaks is inside the outer case. The sealant does not leak out. Further, since the lid of the inner case can be opened to the outside of the main body of the outer case, it is easy to work.

The invention of claim 2 is the waterproof protective cover according to claim 1, wherein the cover of the outer case is pressed in the direction of closing the cover of the inner case when the cover is closed. It is characterized in that a pressing portion is provided.

With this waterproof protective cover, the lid of the inner case can be reliably pressed down by closing the outer case.

[0009]

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

FIG. 1 is a perspective view showing a state in which a lid of a waterproof protection cover of an embodiment of the present invention is opened, FIG. 2 is a plan view of the same, and FIGS. 3 (a), 3 (b) and 3 (c) are lids. It is a figure which shows the procedure at the time of closing.

The waterproof protection cover 20 comprises a hollow rectangular parallelepiped outer case 21 with rounded corners, and an inner case 31 sized to fit inside the outer case 21.

The outer case 21 is composed of a main body 22 and a lid body 23 each having a half-divided shape, and the main body 22 and one side edge 22 of the lid body 23.
A and 23a are connected by a hinge 24. The outer case 21 is attached to the side edges 22b and 23b opposite to the hinge 24.
Locking mechanisms 25 and 26 are provided to lock the main body 22 and the lid 23 with each other in the closed state. Outer case 2
1 is by aligning the opening surfaces of the main body 22 and the lid 23,
Form a closed space.

The inner case 31 is also composed of a main body 32 and a lid 33, and one edge thereof is connected by a hinge 34 so as to be openable and closable. The main body 32 of the inner case 31 is the main body 2 of the outer case 21.
2, which is integrated inside the main body 22 of the outer case 21.
The main body 32 of the inner case 31 and the main body 32 of the inner case 31 both have their opening surfaces oriented in the same direction (upward in FIG. 1). The inner case 31 is also the main body 32
A closed space is formed by aligning the opening surface of the lid 33 with the opening surface of the lid 33.

The main body 32 of the inner case 31 is the outer case 21.
Inside the main body 22, the hinge 34 of the inner case 31 is arranged so as to be biased to one side edge, and the side edge 22b of the main body 22 opposite to the hinge 24 of the outer case 21 (the lock mechanism 2).
5 is provided on one side). As a result, the lid 33 of the inner case 31 is replaced by the main body 22 of the outer case 21.
It is configured to open to the outside of.

A space 37 having a proper width is secured between the outer case 21 and the outer case 21 on the three outer peripheral surfaces of the inner case 31 except for the side where the hinge 34 of the inner case 31 is provided. Further, both end walls 22c, 2 in the longitudinal direction of the outer case 21 are
2d, 23c, 23d is provided with a notch 28 for drawing out the electric wire W, and an end wall 32 of the main body 32 of the inner case 31.
Notches 38 are also provided in c and 32d for the same purpose.

The inside of the inner case 31, that is, the inside 35 on the side of the main body 32 and the inside 36 on the side of the lid 33 are connected to the wire connecting portion WS.
The interior 35, 36 is filled with a viscoelastic sealant 8. This sealant 8
As the material, a jelly-like sealant is used, and as the material, low-viscosity butyl rubber, mineral oil-based grease, silicone-based grease, silicone gum, etc. are adopted.
Further, a holding wall 39 and a protrusion 40 for independently holding the electric wires W on both sides of the electric wire connecting portion WS are provided on the inner surfaces of the main body 32 and the lid 33 of the inner case 31.

The lid 33 of the outer case 21 is pressed against the inner surface of the lid 23 so that the lid 33 of the inner case 31 is not lifted when the outer case 21 is closed after the inner case 31 is closed. A rib (pressing portion) is provided so as to project.

When the waterproof protection cover 20 is used, first, as shown in FIGS. 2 and 3 (a), with the lids 23 and 33 opened, the wire connecting portion W is placed on the main body 32 of the inner case 31.
Put S. At this time, since the lid 33 of the inner case 31 is open to the outside of the outer case 21, the work is easy. Then, as shown in FIG. 3B, the lid 33 of the inner case 31 is
Is closed and the main body 32 of the inner case 31 filled with the viscoelastic sealant 8 and the lid 33 are fitted together to protect the wire connection portion WS through the sealant 8, and then, as shown in FIG.
As shown in FIG. 3, the lid 23 of the outer case 21 is closed and the lock mechanisms 25 and 26 (see FIGS. 1 and 2) are locked, so that the wire connecting portion WS is fixed to the inner case 31 and the outer case 2.
Double protect with 1. At this time, the lid 2 of the outer case 21
By closing 3, the pressing rib 45 on the inner surface of the lid 23 presses the lid 33 of the inner case 31 in the closing direction.
The inner case 31 can be reliably sealed by pressing the rising of the lid 33.

In this case, when the lid 33 of the inner case 31 is closed with the electric wire connecting portion WS sandwiched, from the mating edge of the inner case 31 opposite to the hinge 34. The sealant 8 may leak out. Reference numeral 8a in FIG. 3 (c) indicates the leaking sealant. However, even in that case, since the leaking place of the sealant 8 is inside the outer case 21, the sealant 8 does not leak out to the outside of the waterproof protection cover 20.
In particular, since the space 37 is secured outside the inner case 31, the leaking sealant material 8 a falls into the space 37.

In the above embodiment, since the lid 33 of the inner case 31 is strongly pressed by the pressing ribs 45, the closing lock means for the inner case 31 need not be provided, but the inner case 31 is closed separately. A locking mechanism for locking may be provided.

[0021]

As described above, according to the first aspect of the present invention, even if the sealant leaks from the inner case, there is the outer case so as to cover the outside of the sealant, so that the sealant leaks from the inner case. It is possible to reliably prevent the sealing agent from leaking to the outside of the protective case. Further, since the protective cover has a double structure of the inner case and the outer case, the mechanical strength is improved. Furthermore, since the lid of the inner case is opened to the outside of the outer case, workability in protecting the wire connection portion is good.

According to the invention of claim 2, since the pressing portion for pressing the lid of the inner case is provided on the lid of the outer case, the closing force of the inner case is increased in addition to the effect of the invention of claim 1. There is an effect that can be.

[Brief description of drawings]

FIG. 1 is a perspective view showing a state in which a lid of a waterproof protective cover according to an embodiment of the present invention is opened.

FIG. 2 is a view showing a state in which a lid of the waterproof protection cover of the embodiment of the present invention is opened, and is a plan view showing both the electric wire connecting portion and the electric wire by a two-dot chain line.

3A and 3B are explanatory views of a use procedure of the waterproof protective cover according to the embodiment of the present invention, FIG. Sectional view showing a state in which the lid of the outer case is about to be closed,
(C) is a cross-sectional view showing a state in which both the inner case and the outer case are closed.

FIG. 4 is a perspective view showing a state where a lid of a conventional waterproof protection cover is opened.

FIG. 5 is a view showing a state in which a lid of a conventional waterproof protection cover is opened, and is a plan view showing an electric wire connecting portion and an electric wire together by a chain double-dashed line.

FIG. 6 is an explanatory view of a procedure of using a conventional waterproof protective cover,
(A) is a cross-sectional view showing a state in which the lid is being closed,
(B) is sectional drawing which shows the state which closed the cover body.

[Explanation of symbols]

 8 Sealant 20 Waterproof Protective Cover 21 Outer Case 22 Main Body 22b Side Edge on the Side Opposite the Hinge 23 Lid 23b Side Edge on the Side Opposite the Hinge 24 Hinge 26, 27 Lock Mechanism 31 Inner Case 32 Main Body 33 Lid 34 34 Hinge 35, 36 Internal 45 Pressing rib (pressing part) WS Electric wire connecting part

Claims (2)

[Claims] 1. A waterproof protective cover for protecting a wire connecting portion housed between the main body and the lid body by sealing the main body and the lid body, each of which is filled with a sealing agent having viscoelasticity, through the seal agent. Each has a main body and a lid body whose side edges are connected by a hinge, and by accommodating the opening surfaces of the main body and the lid body, it can be housed inside an outer case and an outer case that form an individually sealed space. An inner case of a size is provided, the main body of the inner case is integrated inside the main body of the outer case with the opening surfaces of both main bodies facing the same direction, and the hinge of the inner case is the hinge of the outer case. By being integrated with the side edge of the body on the opposite side, the lid of the inner case is configured to open to the outside of the body of the outer case, and the side opposite to the hinge of the body of the outer case and the lid. The outer case is closed at the edge A lock mechanism for locking the main body of the outer case and the lid body to each other is provided, and the inside of the main body of the inner case and the lid body serves as a housing portion for the wire connecting portion, and the inside is filled with the sealant. A waterproof protective cover characterized by being 2. The waterproof protective cover according to claim 1, wherein a pressing portion that presses the lid of the inner case in a closing direction when the lid is closed is provided inside the lid of the outer case. A waterproof protective cover.