JPH0731030A - Protector - Google Patents

Abstract

(57) [Summary] [Purpose] To effectively prevent the cover from rising without increasing the number of locks. A protector main body 1 for accommodating a wire harness W and a cover 3 for covering an opening 4 of the protector main body are provided. At least one of the protector main body 1 and the cover 3 guides a branch electric wire Wa from the wire harness W. An outlet 10 is provided, and a branch wire Wa is provided on the protector body 1 side.
Connection box holding part 2 for holding an electrical connection box 18 connected to
4 is provided, and the outlet 10 is arranged so as to include the opening 4. In the protector, the electric junction box 18 held by the junction box holder 24 comes into contact with or comes close to the surface of the cover 3 around the outlet 10. The connection box holding unit 24 is arranged in.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a protector for a wire harness, and more particularly to a protector including a holding portion such as an electric connection box or a connector connected to a branch electric wire from the wire harness.

[0002]

2. Description of the Related Art FIG. 4 shows a state in which a wire harness is protected by a conventional protector of this type.

The protector comprises a gutter-shaped protector body 1 for accommodating the wire harness W, and a flat plate-shaped cover 3 for closing an opening 4 on the upper surface of the protector body 1. Locking frames 7 are provided on both side walls 2 of the protector body 1, and lock arms 5 are provided on both side edges of the cover 3.
The lock arm 5 is engaged with the locking frame 7 to lock the both, and the cover 3 is fixed to the protector body 1. The lock arm 5 and the locking frame 7 are arranged at both end positions in a direction in which the wire harness W extends (hereinafter, this direction is referred to as a “longitudinal direction”) and an appropriate position between them.

A lead-out port 10 for leading out the branch electric wire Wa from the wire harness W to the outside is provided at a side edge portion near one longitudinal end of the cover 3 so as to include the opening 4 of the protector body 1. ing. The outlet 10 is formed in a rectangular shape by a notch 10a provided in the side wall 2 and a notch 10b provided in the cover 3, and the lock arm 5 and the engaging portion on the end side are provided on one side of the peripheral edge of the outlet 10. A stop frame 7 is arranged.

A side wall 2 at the center of the protector body 1 in the longitudinal direction.
A bracket 12 extending to the cover 3 side is erected on the bracket 12. The bracket 12 is provided with a connection box holding portion 14 so as to be located above the cover 3. The connection box holder 14 detachably holds an electric connection box 18 that fits with a connector 16 provided at the end of the branch electric wire Wa.

FIG. 5 is a perspective view showing the connection box holding portion 14. The connection box holding portion 14 has a box-like shape with an open top, and is provided with a hook wall 14a defined by two slits 15 communicating with the opening side, and the side surface 12a of the bracket 12 is provided.
It is provided integrally with. A frame-shaped mounting portion 19 that can be fitted to the hook wall 14a is provided on the back surface side of the electric connection box 18, and when the mounting portion 19 is fitted to the hook wall 14a, the mounting portion 19 is attached to the connection box holding portion 14. It is housed and held in the interior 17 in a locked state.

When the wire harness is protected by such a protector, the wire harness W is housed inside the protector body 1 and then the branch electric wire Wa is drawn out.
The cover 3 is put on the protector body 1 while being guided to the outside, and the lock arm 5 is engaged with the locking frame 7 to fix the cover 3 to the protector body 1. Then, the connector 16 provided at the end of the branch electric wire Wa is fitted into the electric connection box 18, and the electric connection box 18 is held in the connection box holding portion 14.

However, in such a protector, as shown in FIG. 6, when the branch electric wire Wa is led out, the branch electric wire Wa lifts the cover 3 at the periphery of the lead-out port 10,
There was a gap between the protector body 1 and the cover 3, and the electric wire sometimes protruded from here. In addition, the branch wire Wa
When a strong pulling force acts on the locking arm 5, the locking projection 6 of the lock arm 5 is disengaged from the locking surface 7a of the locking frame 7,
The cover 3 may fall off the protector body 1.

FIG. 7 shows another protector disclosed in Japanese Utility Model Laid-Open No. 2-118415. In this protector, an auxiliary cover 31 that is openable and closable by a hinge portion 31a is provided in a part of the cover 3, and the branch electric wire is led out with the auxiliary cover 31 opened. Locking frames 33 are provided at both ends of the cover 3 in the longitudinal direction, and locking protectors 35 that engage with the locking frame 33 are provided on the protector body 1. A locking frame 37 for fixing the cover 3 to the protector main body 1 when the auxiliary cover 31 is opened is provided on the fixed side of the cover 3, and the protector main body 1 is correspondingly provided therewith.
Is provided with a locking projection 39.

According to such a protector, the locking frame 3
7 and the locking projection 39, the auxiliary cover 31
It is possible to prevent the cover 3 from rising even when the branch electric wire is led out by opening.

[0011]

However, when it is attempted to prevent the protector of FIG. 4 from rising in the same manner as in FIG. 7, the protector of FIG. 4 is also locked to the other side of the peripheral edge of the outlet 10. Lock arm 25 having projection 26 and locking frame 27
And must be added. Therefore, the number of locks at the time of attaching the cover 3 increases, and the workability of attaching the cover 3 may deteriorate.

The present invention has been made in view of the above circumstances, and an object thereof is to provide a protector which has a good workability of attaching the cover and can effectively prevent the cover from rising.

[0013]

The present invention comprises a protector body for accommodating a wire harness and a cover for covering an opening of the protector body, and at least one of the protector body and the cover is branched from the wire harness. A protector is provided in which a lead-out port through which an electric wire is led out is provided, and a connection box holding portion for holding an electric connection box connected to the branch electric wire is provided on the protector body side, and the lead-out port is arranged to include the opening. In the above, the connection box holding portion is arranged so that the electric connection box held by the connection box holding portion contacts or approaches the surface of the cover around the outlet port.

[0014]

In the protector of the above construction, when the electric connection box is held in the connection box holding portion, the electric connection box comes into contact with or comes close to the surface of the cover around the outlet of the branch electric wire. The box holds it down.

[0015]

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

FIG. 1 is a perspective view of an embodiment of the present invention.
FIG. 2 is a side view of FIG. In this protector, a junction box holding portion 24 that holds the electrical junction box 18 is arranged in the vicinity of the outlet 10. And this connection box holding part 2
4 is closer to the surface 3a of the cover 3 than the conventional one, and when the electric connection box 18 is held in the connection box holding portion 24, the lower end surface 18a of the electric connection box 18 is a peripheral edge of the outlet 10 ( The cover 3 at the end, which is the peripheral edge on the side opposite to the lock portions 5 and 7
Is close to the surface 3a. Since other configurations are similar to those of the conventional example of FIG. 4, the same components are designated by the same reference numerals and the description thereof will be omitted.

According to the protector of this embodiment, when the electric junction box 18 is held by the junction box holder 24, the lower end surface 18a of the electric junction box 18 is close to the surface 3a of the cover 3, so that the cover 3 Even if the surface is to be floated, the electric junction box 18 presses it down and reliably prevents it from rising. Therefore, there is no possibility that a gap will be generated due to lifting and the electric wire will stick out. Further, since it is possible to reliably prevent lifting, it is not necessary to additionally provide a lock arm or a locking frame as shown in FIG. 8, and therefore, the number of locks does not increase, and the cover 3 is easily attached. be able to.

In this embodiment, when the electric connection box 18 is held in the connection box holding portion 24, the lower end surface 18a of the electric connection box 18 is arranged close to the surface 3a of the cover 3. The connection box 18 may be arranged so as to directly or indirectly contact or press the surface 3a of the cover 3.

Further, in this embodiment, the outlet 10 is formed by providing the notches 10a and 10b on both the side wall 2 and the cover 3, but if the outlet 10 is arranged to include the opening 4, the The invention can be applied. That is, as shown in FIG. 3, the notch 11 is formed only on the upper edge of the side wall 2 of the protector body 1.
a may be provided to form the outlet 11, and the cover 3
The outlet may be formed only in the above.

[0020]

As described above, according to the present invention,
The electric connection box can prevent the cover from rising and can prevent the electric wire from protruding. Also,
Since it is not particularly necessary to increase the number of locks of the cover, the work of attaching the cover can be easily performed.

[Brief description of drawings]

FIG. 1 is a perspective view of an embodiment of the present invention.

FIG. 2 is a side view of an embodiment of the present invention.

FIG. 3 is a side view of another embodiment of the present invention.

FIG. 4 is a perspective view of a conventional protector.

FIG. 5 is a perspective view showing a configuration of a connection box holding portion of a conventional protector.

FIG. 6 is a side view of a conventional protector.

FIG. 7 is a perspective view of another conventional protector.

FIG. 8 is a side view of still another conventional protector.

[Explanation of symbols]

 1 protector body 3 cover 4 opening 10 outlet 18 electrical junction box 24 junction box holder W wire harness Wa branch wire

Claims (1)

[Claims] 1. A protector main body for accommodating a wire harness and a cover for covering an opening of the protector main body, and a lead-out port through which a branch electric wire from the wire harness is led out to at least one of the protector main body and the cover. In the protector, wherein the protector main body side is provided with a connection box holding part for holding an electric connection box or the like connected to the branch electric wire, and the outlet is provided so as to include the opening part. The protector is characterized in that the connection box holding portion is arranged so that the electrical connection box held by the contact or contact with the surface of the cover around the outlet port.