JPH0888920A - Wire holding mechanism - Google Patents

Abstract

PURPOSE: To provide a wire holding mechanism which has excellent operability without damaging a wire at the time of clamping a cover. CONSTITUTION: A wire holding mechanism A1 comprises an upper cover 2, a lower cover 1 closed at an upper opening by the cover 2 and having a groove 3 at the side, and a wire holder 4 assembled with the groove 3. The mechanism A1 also comprises guide pieces 1A provided at both sides of the groove 3 of the cover 1 and having an engaging channel 4G therein. The holder 4 has yokes 4E provided at both sides, ribs 4A which are provided at the yokes 4E and can be inserted into the channel 4G, and a wire holding piece 4C which can be oscillated by a flexible part 4D provided at the upper end of the holder 4.

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 junction box such as a relay box.

[0002]

2. Description of the Related Art A large number of wire harnesses are arranged in an electric connection box, such as a relay box, which is connected to electric components such as automobiles. There is. These wire harnesses are
In order to prevent an annoying noise from being generated in the relay box or the cover due to the vibration received by the car, or to prevent it from being entangled in the relay or fuse and causing a wire breakage, the tape is wrapped around the body and is fixed together in the junction box body. There is.

An example of such a conventional electric wire holding mechanism is shown in FIG. 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 has an open upper end. In addition, the lower cover 51 is provided on the side surface.
A groove 54 is formed so as to project inward and extend vertically. The wire holder 53 is mounted in the groove 54. In the wire holder 53, a plurality of wires 57 connected to the connector 58 are integrated into a wire harness 55 by an adhesive tape 56, and the adhesive tape 56 is attached to the wire harness 55.
Is held by. This wire harness 55
It exits the groove 54 and is led out to the outside of the lower cover 51. Thus, the wire 57 is held by the wire holder 53.

[0004]

However, in the electric wire holder 53 having the above structure, at least one wire 57 of the plurality of wires 57 is outside the edge portion 51A of the lower cover 51 as shown in the drawing. It may stick out. 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 portion 52A of the upper cover 52 and the edge portion 51A of the lower cover 51.
As a result, the wire 57 may be damaged or cause a cover fastening failure. Further, in the cover tightening work, it is necessary to close the upper cover while pushing the protruding wire into the inside, which causes a decrease in workability.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned drawbacks of the prior art, and to provide an electric wire holding mechanism which does not damage the wire when the cover is tightened and has excellent workability.

[0006]

The above object of the present invention is to provide an upper cover, a lower cover having a groove and a guide piece on its side surface and whose upper opening is closed by the upper cover, and an electric wire incorporated in the groove of the lower cover. In an electric wire holding mechanism composed of a holder, a yoke provided on both sides of the electric wire holder facing each other, a rib provided on the yoke and insertable into a fitting channel provided in a guide piece, and an electric wire This can be achieved by an electric wire holding mechanism including a wire holding piece swingable by a flexible portion provided on 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 portion and a guide piece on the side surface to close the upper opening by the upper cover, and an electric wire holder incorporated in the groove portion of the lower cover. In the electric wire holding mechanism described above, the electric wire holder is provided with yokes provided on opposite sides thereof, ribs provided on the yokes and capable of being fitted into the fitting channels provided in the guide pieces, and an upper end of the electric wire holder. It can be achieved by an electric wire holding mechanism characterized by including a wire regulation lateral frame provided on the.

[0008]

In the electric wire holding mechanism according to the present invention, the electric wire holder is provided on both sides facing each other, and the ribs are provided on the yoke and can be fitted into the fitting channels provided on the guide pieces. A wire holding piece that can be swung by a flexible portion provided on the upper end of the wire holding tool is provided. As a result, when the wire is held by the wire holding piece provided on the upper end of the wire holder, when the upper cover is started to be closed, the wire holding piece is pushed by the inner wall of the upper cover and falls toward the inside centering on the flexible portion. By the inward falling of the wire holding piece, the held wire is also pushed inside the lower cover, so that the wire does not stick out from the edge portion of the lower cover. Therefore, the upper cover can be easily and surely attached to the lower cover without sandwiching the wire between the side portion and the edge portion of the lower cover.

Further, in the electric wire holding mechanism according to the present invention, the electric wire holder can be fitted and inserted into the yoke provided on both sides facing each other and the fitting channel provided on the yoke and provided on the guide piece. Ribs and a wire restricting lateral frame provided on the upper end of the wire holder. As a result, the wire restriction horizontal frame at the upper end of the wire holder pushes the held wire inside the lower cover, so that the wire does not stick out from the edge of the lower cover. Therefore, the upper cover can be easily and surely attached to the lower cover without sandwiching the wire between the side portion and the edge portion of the lower cover.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of an electric wire holding mechanism of the present invention will be described in detail below with reference to FIGS. 1 is a perspective view showing a first embodiment of an electric wire holding mechanism of the present invention, and FIG.
FIG. 3 is a perspective view of the electric wire holder in FIG. 3, and FIG. 3 is a perspective view showing a state in which the electric wire holder is attached to the lower cover. As shown in FIG. 1, the electric wire holding mechanism A1 is a shallow rectangular parallelepiped upper cover 2 whose lower end is open, and a deep rectangular parallelepiped whose upper end is open. The lower cover 1 is provided with a groove portion 3 protruding and extending vertically, and the lower cover 1 is closed at its upper end by an upper cover 2, and an electric wire holder 4 incorporated in the groove portion 3 of the lower cover 1.

Guide pieces 1A are provided along both sides of the groove 3 of the lower cover 1. Inside each guide piece 1A, a slit-shaped insertion channel 4G is provided. A rib 4A, which will be described later, of the wire holder 4 is fitted and inserted into the fitting / inserting channel 4G. The upper end of the lower cover 1 constitutes an edge 1C, and the outer wall slightly below the edge 1C is
A ridge portion 1D protruding outward is provided on the entire circumference.
When the upper cover 2 is mounted on the lower cover 1, the lower side 2A of the upper cover 2 contacts 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 moves toward the side wall of the lower cover 1. The upper cover 2 is engaged with the lower cover 1 by fitting with the lock piece 1E.

As shown in FIG. 2, the electric wire holder 4 is made of resin or the like and has a structure separate from the lower cover 1,
It has a yoke 4E on both sides and is long in the vertical direction with a U-shaped cross section, and the wire is stored inside it. This york 4
E is provided with a rib 4A which projects to the left and right and has a locking hole 4B at the bottom. The rib 4A is configured so that it can be fitted into the fitting channel 4G of the guide piece 1A. Further, a wire holding piece 4C that can be swung by a thin flexible portion 4D is provided on the upper end of the wire holder 4. Further, a stopper 4F extending leftward and rightward is integrally provided on the upper end portion of the wire holder 4.

Next, the assembling of the wire holding mechanism will be described. As shown in FIG. 3, the wire holding piece 4C of the electric wire holder 4 holds a plurality of wires 5A by the adhesive tape 6. 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 put together by an adhesive tape 6 forms a wire harness 5. In this state, when the wire holder 4 is fitted from above the groove portion 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 and inserted downward. Be done.

After that, when the electric 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 closed.
The electric wire holder 4 is fixed to the lower cover 1 by being locked by the locking projection 1B. In this locked state, the wire harness 5 exits the groove portion 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 chamber 1F, and the wire 5A is connected to the connector 1
It is gently bent from a state where it has risen once from 0.

When the upper cover 2 is started to be closed from above with the wire 5A held on the wire holding piece 4C provided on the upper end of the wire holding tool 4 as described above, the bent upper end of the wire 5A and the wire holding piece 4C. Is pressed against the inner wall of the upper cover 2. As a result, the wire holding piece 4C is swung inward with the flexible portion 4D as a fulcrum. The wire 5A held by the inward movement of the wire holding piece 4C is held.
Will also be pushed inside the lower cover 1. Therefore, the wire 5A does not protrude from the edge portion 1C of the lower cover 1, and the wire 5A is reliably prevented from being sandwiched between the side portion 2A and the edge portion 1C of the lower cover 1, and the upper cover 2 Can be easily and surely 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. 4 and 5. 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 wire holder in FIG. As shown in FIG. 5, the electric wire holder 14 has a U-shaped cross section and is vertically long and has yokes 14E on both sides, and a wire is stored therein. The yoke 14E is provided with a rib 14A that projects to the left and right and has a locking hole 14B below. The rib 14A is configured to be fitted into the fitting channel 4G of the guide piece 1A. Further, at the upper end of the wire holder 14, the wire regulation lateral frame 1 extending inward in the lateral direction is provided.
4G is provided. Further, a stopper 14F extending leftward and rightward is integrally provided on the upper end portion of the wire holder 14.

As shown in FIG. 4, a plurality of wires 5A are held inside the electric wire holder 14 while being connected to the connector 10. A wire harness 5 integrally formed by an adhesive tape 6 is formed at the outer end of the wire 5A. In this state, when the wire holder 14 is fitted from above the groove portion 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 and inserted downward. Be done.

After that, when the electric 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 electric wire holder 14 is fixed to the lower cover 1. In this locked state,
The wire harness 5 exits the groove portion 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 chamber 1F, and at this time, the wire 5A on the connector 10 side is pushed into the lower cover 1 by the wire regulation lateral frame 14G.

In this manner, with the wire 5A held by the wire regulation lateral frame 14G provided on the upper end of the wire holder 14, the upper cover 2 is closed from above. At this time, the wire 5A is pushed into the inside of the lower cover 1 by the wire regulation lateral frame 14G, so that it does not stick out from the edge portion 1C of the lower cover 1. Therefore, the wire 5A is connected to the side portion 2A and the edge portion 1C of the lower cover 1.
The upper cover 2 can be easily and surely attached to the lower cover 1 without being sandwiched between them.

[0020]

As described above, in the electric wire holding mechanism of the present invention, the electric wire holder is provided on both sides of the yoke, and the fitting channel provided on the guide piece is provided on the yoke. It includes a rib that can be inserted and inserted, and a wire holding piece that can be swung by a flexible portion provided on the upper end of the wire holder. Thus, when the upper cover is closed while the wire is held by the wire holding piece provided on 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. This swing also pushes the held wire inside the lower cover, so that the wire does not stick out from the edge of the lower cover. Therefore, the wire is not sandwiched between the side portion and the edge portion of the lower cover, and the upper cover can be reliably attached to the lower cover.

Further, the electric wire holder is provided on both sides of the yoke which face each other, a rib which is provided on the yoke and can be inserted into a fitting channel provided on the guide piece, and an upper end of the electric wire holder. The wire regulation horizontal frame is provided. With this, the wire restriction horizontal frame at the upper end of the wire holder pushes the held wire into the lower cover, so that the wire does not stick out from the edge of the lower cover. Therefore, the upper cover can be reliably attached to the lower cover without the wire being sandwiched between the side portion and the edge portion of the lower cover. As a result, defective tightening of both covers can be eliminated, and the mountability of the covers can be improved. further,
It is possible to avoid damage to the wires when the cover is attached, and it is possible to greatly improve workability.

[Brief description of drawings]

FIG. 1 is a perspective view showing a first embodiment of an electric 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 wire holding mechanism in FIG. 1 when holding a wire.

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

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

FIG. 6 is a perspective view of a conventional 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 protrusion 1C edge 1D ridge 1E lock piece 1F storage chamber 2 upper cover 2A side 2B Lock receiving piece 3 Groove portion 4 Electric wire holder (first embodiment) 4A Rib 4B Locking hole 4C Wire holding piece 4D Flexible portion 4E Yoke 4F Stopper 4G Fitting channel 14 Electric wire holder (second embodiment) 14A Rib 14B Locking hole 14E Yoke 14F Stopper 14G Wire regulation horizontal frame

Claims (2)

[Claims] 1. An electric wire holder comprising an upper cover, a lower cover having a groove portion and a guide piece on a side surface and having an upper opening closed by the upper cover, and an electric wire holder incorporated in the groove portion of the lower cover. In the mechanism, the electric wire holder is provided with yokes provided on opposite sides thereof, a rib provided on the yoke and insertable into a fitting channel provided in the guide piece, and an upper end of the electric wire holder. An electric wire holding mechanism comprising a wire holding piece that can be swung by a provided flexible portion. 2. An electric wire holder comprising an upper cover, a lower cover having a groove portion and a guide piece on a side surface and having an upper opening closed by the upper cover, and an electric wire holder incorporated in the groove portion of the lower cover. In the mechanism, the electric wire holder is provided with yokes provided on opposite sides thereof, a rib provided on the yoke and insertable into a fitting channel provided in the guide piece, and an upper end of the electric wire holder. An electric wire holding mechanism comprising a wire regulation lateral frame provided.