JP3000131B2 - Wire holding mechanism - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric wire holding mechanism for a wire harness used in an automobile or the like, and more particularly to an electric wire holding mechanism used in an electric connection box such as a relay box.

[0002]

2. Description of the Related Art A large number of wiring harnesses are routed in an electric connection box, such as a relay box, connected to electric components such as an automobile. These wiring harnesses are intensively connected to connectors in the electric connection box. I have. These wire harnesses
It is integrally fixed to the junction box body by tape winding so that it does not generate harsh noises inside the relay box or cover due to the vibration received by the car, and does not get caught in the relay or fuse and cause a disconnection. I have.

FIG. 6 shows an example of such a conventional wire holding mechanism. In the figure, the connection box is an upper cover 52.
And a lower cover 51. The lower cover 51 is a substantially rectangular parallelepiped hollow, and the upper end is open. Also, on the side of the lower cover 51, a lower cover 51 is provided.
Grooves 54 projecting inward and extending vertically are formed. The wire holder 53 is mounted in the groove 54. The wire holder 53 is provided with an adhesive tape 56 on a wire harness 55 in which a plurality of wires 57 connected to a connector 58 are united by an adhesive tape 56.
Is held by This wire harness 55
It exits from the groove 54 and is led out of the lower cover 51. Thus, the wire 57 is configured to be held by the wire holder 53.

[0004]

However, in the electric wire holder 53 having the above-described structure, at least one of the wires 57 is outside the edge 51A of the lower cover 51 as shown in the drawing. May protrude. When the upper cover 52 is mounted on the lower cover 51 with the wire 57 protruding in this manner, the protruding wire 57 is sandwiched between the side 52A of the upper cover 52 and the edge 51A of the lower cover 51.
As a result, the wire 57 may be damaged or the cover may be insufficiently tightened. Further, in the cover tightening operation, it is necessary to close the upper cover while pushing the protruding wire into the inside, which causes a reduction in workability.

An object of the present invention is to solve the above-mentioned drawbacks of the prior art, and to provide a wire holding mechanism which does not damage a wire at the time of cover tightening work and is excellent in workability.

[0006]

SUMMARY OF THE INVENTION It is an object of the present invention to provide an upper cover, a lower cover having a groove and a guide piece on a side surface and having an upper opening closed by the upper cover, and an electric wire incorporated in the groove of the lower cover. In a wire holding mechanism constituted by a holding tool, a yoke provided on both sides of the wire holding tool facing each other, a rib provided on the yoke, which can be fitted into a fitting channel provided in a guide piece, This can be achieved by an electric wire holding mechanism comprising a wire holding piece that can swing by a flexible portion provided at the upper end of the holding tool.

Further, the above object of the present invention comprises an upper cover, a lower cover having a groove and a guide piece on a side surface, the upper opening of which is closed by the upper cover, and an electric wire holder incorporated in the groove of the lower cover. In the electric wire holding mechanism, the electric wire holder is provided on both sides facing each other, a rib provided on the yoke and insertable into an insertion channel provided on the guide piece, and an upper end of the electric wire holder. The wire holding mechanism is provided with the wire regulating horizontal frame provided in the above.

[0008]

In the electric wire holding mechanism according to the present invention, a yoke provided on both sides of the electric wire holding member facing each other, and a rib provided on the yoke and capable of being inserted into an insertion channel provided on a guide piece. And a wire holding piece that can be swung by a flexible portion provided at the upper end of the wire holding tool. Accordingly, when the upper cover is started to be closed while holding the wire on the wire holding piece provided at the upper end of the wire holding tool, the wire holding piece is pushed down by the inner wall of the upper cover, and the wire holding piece falls down around the flexible portion. Since the held wire is pushed into the inside of the lower cover by the inward fall of the wire holding piece, the wire does not protrude from the edge of the lower cover. Therefore, the upper cover can be easily and reliably attached to the lower cover without sandwiching the wire between the side and the edge of the lower cover.

In the electric wire holding mechanism according to the present invention, the electric wire holder can be inserted into a yoke provided on both opposed sides and an insertion channel provided on the yoke and provided on a guide piece. And a wire regulating horizontal frame provided at the upper end of the wire holder. As a result, the wire restricting horizontal frame at the upper end of the wire holder pushes the held wire into the lower cover, so that the wire does not protrude from the edge of the lower cover. Therefore, the upper cover can be easily and reliably attached to the lower cover without sandwiching the wire between the side and the edge of the lower cover.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a first embodiment of the wire holding mechanism of the present invention will be described in detail with reference to FIGS. FIG. 1 is a perspective view showing a first embodiment of the wire holding mechanism of the present invention, and FIG.
FIG. 3 is a perspective view showing a state in which the wire holder is mounted on the lower cover. As shown in FIG. 1, the wire holding mechanism A1 has a shallow substantially rectangular parallelepiped upper cover 2 having a lower end opened and a deep substantially rectangular parallelepiped having an upper end opened. The lower cover 1 is provided with a groove 3 which protrudes and extends vertically, and the upper cover is closed at the upper end. The wire holder 4 is incorporated in the groove 3 of the lower cover 1.

A guide piece 1A is provided along both sides of the groove 3 of the lower cover 1. Inside each guide piece 1A, a slit-like insertion channel 4G is provided. A rib 4A described later of the wire holder 4 is fitted into the fitting channel 4G. The upper end of the lower cover 1 forms an edge 1C, and an outer wall slightly below the edge 1C has
An outwardly protruding ridge 1D is provided on the entire circumference.
When the upper cover 2 is mounted on the lower cover 1, the side 2A at the lower end of the upper cover 2 abuts on the upper surface of the ridge 1D, and in this state, the lock receiving piece 2B on the side wall of the upper cover 2 is attached to the lower cover 1 side wall. , And the upper cover 2 is engaged with the lower cover 1.

As shown in FIG. 2, the wire holder 4 is made of resin or the like, and is separate from the lower cover 1.
It is vertically long and has a U-shaped cross section provided with yokes 4E on both sides, and a wire is stored inside thereof. This yoke 4
E has a rib 4A that protrudes left and right and has a locking hole 4B below. The rib 4A is configured to be able to be inserted into the insertion channel 4G of the guide piece 1A. At the upper end of the wire holder 4, there is provided a wire holding piece 4C swingable by a thin flexible portion 4D. Further, a stopper 4F extending left and right is integrally provided at an upper end portion of the wire holder 4.

Next, the assembly of the wire holding mechanism will be described. As shown in FIG. 3, a plurality of wires 5 </ b> A are held by the adhesive tape 6 on the wire holding pieces 4 </ b> C of the wire holder 4. The connector 10 is connected to the inner end of the wire 5A. At the outer end of the wire 5A, a plurality of wires 5A combined by an adhesive tape 6 form a wire harness 5. In this state, when the wire holder 4 is fitted from above the groove 3, the rib 4A provided on the yoke 4E is fitted into the fitting channel 4G of the guide piece 1A, and the wire holder 4 is smoothly fitted downward. It is.

Thereafter, when the wire holder 4 reaches a predetermined position, the stopper 4F comes into contact with the upper end of the guide piece 1A and stops, and the locking hole 4B of the rib 4A is moved to the lower cover 1A.
, And the wire holder 4 is fixed to the lower cover 1. In this locked state, the wire harness 5 exits the groove 3 and is led out of the lower cover 1. On the other hand, the connector 10 is connected to the receptacle 11 inside the accommodation room 1F.
It is gently bent from a state of rising once from 0.

When the upper cover 2 is started to be closed from above with the wire 5A being held by the wire holding piece 4C provided at the upper end of the wire holder 4, the bent upper end of the wire 5A and the wire holding piece 4C are started. Is pressed against the inner wall of the upper cover 2. As a result, the wire holding piece 4C is swung inward about the flexible portion 4D. The inward movement of the wire holding piece 4C causes the held wire 5A.
Will also be pushed inside the lower cover 1. Therefore, the wire 5A does not protrude from the edge 1C of the lower cover 1, and the wire 5A is reliably prevented from being sandwiched between the side 2A and the edge 1C of the lower cover 1, and the upper cover 2 Can be easily and reliably attached to the lower cover 1.

Next, a second embodiment of the wire holding mechanism according to the present invention will be described in detail with reference to FIGS. FIG. 4 is a perspective view showing a second embodiment of the wire holding mechanism according to the present invention,
FIG. 5 is a perspective view of the electric wire holder in FIG. As shown in FIG. 5, the wire holder 14 has a vertically long U-shaped cross section having yokes 14E on both sides, and a wire is stored in the inside thereof. The yoke 14E is provided with a rib 14A that extends left and right and has a locking hole 14B below. The rib 14A is configured to be able to be inserted into the insertion channel 4G of the guide piece 1A. Further, a wire regulating horizontal frame 1 extending inward in the horizontal direction is provided at the upper end of the wire holder 14.
4G is provided. Further, a stopper 14F extending left and right is integrally provided at an upper end portion of the wire holder 14.

As shown in FIG. 4, a plurality of wires 5A are held inside the wire holder 14 while being connected to the connector 10. A wire harness 5 integrally formed by an adhesive tape 6 is formed at an outer end of the wire 5A. In this state, when the wire holder 14 is fitted from above the groove 3, the rib 14A provided on the yoke 14E is fitted into the fitting channel 4G of the guide piece 1A, and the wire holder 14 is smoothly fitted downward. It is.

Thereafter, when the wire holder 14 reaches a predetermined position, the stopper 14F comes into contact with the upper end of the guide piece 1A and stops, and the locking hole 14B of the rib 14A engages with the locking projection 1B of the lower cover 1. Then, the wire holder 14 is fixed to the lower cover 1. In this locked state,
The wire harness 5 exits the groove 3 and is led out of the lower cover 1. On the other hand, the connector 10 is connected to the receptacle 11 inside the accommodation room 1F. At this time, the wire 5A on the connector 10 side is pushed inside the lower cover 1 by the wire regulating horizontal frame 14G.

With the wire 5A held by the wire regulating horizontal frame 14G provided at the upper end of the wire holder 14, the upper cover 2 starts to be closed from above. At this time, since the wire 5A is pushed into the lower cover 1 by the wire regulating horizontal frame 14G, it does not protrude from the edge 1C of the lower cover 1. Therefore, the wire 5A is connected to the side 2A and the edge 1C of the lower cover 1.
The upper cover 2 can be easily and reliably attached to the lower cover 1 without being interposed therebetween.

[0020]

As described above, in the electric wire holding mechanism of the present invention, the yoke provided on the opposite sides of the electric wire holder and the insertion channel provided on the yoke and provided on the guide piece are provided. It has a rib that can be inserted and a wire holding piece that can swing by a flexible portion provided at the upper end of the wire holder. Thus, when the upper cover is closed while holding the wire on the wire holding piece provided at the upper end of the wire holder, the wire holding piece pushed by the inner wall of the upper cover swings inward around the flexible portion. Due to this swing, the held wire is also pushed into the inside of the lower cover, so that the wire does not protrude from the edge of the lower cover. Therefore, the upper cover can be securely attached to the lower cover without the wire being caught between the side and the edge of the lower cover.

[0021] Further, the wire holder is provided with yokes provided on both sides facing each other, a rib provided on the yoke and insertable into a fitting channel provided on the guide piece, and provided on the upper end of the wire holder. Provided with a wire-regulated horizontal frame. Thus, the wire restricting horizontal frame at the upper end of the wire holder pushes the held wire into the inside of the lower cover, so that the wire does not protrude from the edge of the lower cover. Therefore, the upper cover can be securely attached to the lower cover without the wire being sandwiched between the side and the edge of the lower cover. As a result, poor tightening of both covers can be eliminated, and mountability of the covers can be improved. further,
The wire can be prevented from being damaged when the cover is attached, and the workability can be greatly improved.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a first embodiment of a wire holding mechanism according to the present invention.

FIG. 2 is a perspective view of the electric wire holder in FIG.

FIG. 3 is a perspective view showing a state of the electric wire holding mechanism in FIG. 1 when holding the wire.

FIG. 4 is a perspective view showing a second embodiment of the electric wire holding mechanism according to the present invention.

FIG. 5 is a perspective view of the electric wire holder in FIG.

FIG. 6 is a perspective view of a conventional electric wire holding mechanism.

[Explanation of symbols]

 A1 Wire holding mechanism (first embodiment) A2 Wire holding mechanism (second embodiment) 1 Lower cover 1A Guide piece 1B Locking projection 1C Edge 1D Ridge 1E Lock piece 1F Storage chamber 2 Upper cover 2A Side 2B Lock receiving piece 3 Groove part 4 Electric wire holder (first embodiment) 4A rib 4B Lock hole 4C Wire holding piece 4D Flexible part 4E Yoke 4F Stopper 4G Insertion channel 14 Wire holder (Second embodiment) 14A rib 14B Lock hole 14E Yoke 14F Stopper 14G Wire regulation horizontal frame

Claims (2)

(57) [Claims] 1. An electric wire holding apparatus comprising: an upper cover; a lower cover having a groove and a guide piece on a side surface, an upper opening of which is closed by the upper cover; and an electric wire holder incorporated in the groove of the lower cover. In the mechanism, the electric wire holder is provided on both sides facing each other, a yoke provided on the yoke, a rib which can be inserted into an insertion channel provided on the guide piece, and an upper end of the electric wire holder. An electric wire holding mechanism comprising a wire holding piece that can swing by a provided flexible portion. 2. An electric wire holding device comprising an upper cover, a lower cover having a groove and a guide piece on a side surface, and an upper opening closed by the upper cover, and an electric wire holder incorporated in the groove of the lower cover. In the mechanism, the electric wire holder is provided on both sides facing each other, a yoke provided on the yoke, a rib which can be inserted into an insertion channel provided on the guide piece, and an upper end of the electric wire holder. An electric wire holding mechanism provided with a provided wire regulating horizontal frame.