JP3009024B2 - Branch wire harness support structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a branch wire harness support structure for supporting a surplus portion of a branch wire harness branched from a main wire harness on the meter back side inside an instrument panel inside the instrument panel. .

[0002]

2. Description of the Related Art FIG. 9 shows the inside of an instrument panel (hereinafter referred to as "instrument panel"). As shown in FIG. 1, a meter 1 such as a speedometer is supported inside the instrument panel toward the vehicle interior, and a trunk wire harness 3 is routed on the back side thereof. From the main wire harness 3 toward the meter 1, a branch wire harness 5 is connected.
Are branched and arranged between the back side of the meter 1 and the trunk wire harness 3. The branch wire harnesses 5 branched from the main wire harness 3 are connected to the back side of the meter 1 by connectors 7 respectively.

In such an instrument panel structure, the meter 1 may be removed from the inside of the instrument panel due to maintenance or the like. In this case, since the meter 1 is pulled out from the instrument panel into the vehicle cabin, the branch wire harness 5 is drawn out together with the meter 1, and the extra length portion 9 is provided as a work allowance for maintenance of the meter 1.
By providing the extra length portion 9, the operation of fixing the meter 1 inside the instrument panel and the operation of pulling out the meter 1 from the instrument panel during the maintenance of the meter 1 can facilitate the mounting operation and the maintenance.

[0004]

However, the extra length 9
Of the meter 1 and the trunk wire harness 3 lean downward, causing interference with other equipment on the meter rear side or with a vehicle body structure, for example, the reinforcement 11, and causing a problem of rattling due to vibration.

Therefore, as shown in FIG. 10, the clip 13 is wound around the branch wire harness 5 with a tape, and the locking portion 15 of the clip 13 is engaged with a locking hole provided in the instrument panel to form the branch wire harness 5. It is fixed to the instrument panel.

However, during maintenance, the clip 13
It takes time to remove the locking portion 15 from the locking hole, and the branch wire harness 5 cannot be easily pulled out. In addition, when the locking portion 15 is forcibly removed from the locking hole, the locking portion 15 may be damaged, so that the locking portion 15 cannot be engaged with the locking hole again after the maintenance is completed. .

Further, as shown in FIGS. 11 (a) and 11 (b), a flexible fixing piece 19 is integrally formed with another device 17 disposed on the back side of the meter, and this fixing is performed. A method of fixing the branch wire harness 5 to the device 17 by engaging the free end side of the piece 19 with a locking hole 21 provided in a side wall of another device 17 has also been proposed. Once the piece 19 is engaged with the device 17, it takes time and effort to remove the same as the clip 13, and if it is forcibly removed, the piece 19 may be damaged.

In view of the above, the present invention provides a branch wire harness which can fix the extra length of the branch wire harness inside the instrument panel and can easily pull out the extra length when the meter is pulled out from the inside of the instrument panel. The purpose is to provide a support structure.

[0009]

In order to achieve the above object, the invention according to claim 1 provides a meter fixed to the instrument panel from a main line wire harness routed on the back side of the meter inside the instrument panel. A branch wire harness support structure that supports the branch wire harness that is branched and routed toward the inside of the instrument panel, and the extra length of the branch wire harness that is pulled out together with the meter when the mate is removed from the instrument panel. A locking means consisting of a pair of flexible gripping pieces that is detachably locked inside the instrument panel.
Wherein the locking means is assembled inside the instrument panel.
Attached electrical junction box inside instrument panel
It is characterized by being formed integrally with the connector cover to be fixed .

[0010] The invention described in claim 2 is the same as the invention described in claim 1.
A support structure for a branch wire harness,
A flexible gripping piece is provided on the connector cover and
At the tip of a pair of holding pieces that hold the ear harness
It is characterized by being provided respectively.

[0011] The invention described in claim 3 is the same as the invention described in claim 2.
A support structure for a branch wire harness, wherein
Bends away from each other and
Make the area of the tip of the gripping piece wider than the other
-It is characterized by forming a wide harness .

[0012]

[0013]

According to the first aspect of the invention, when the meter is fixed to the instrument panel, the extra length of the branch wire harness is sandwiched between a pair of flexible gripping pieces provided on the connector cover, There is no rattling. When the meter is pulled out of the instrument panel for maintenance or the like, the pair of gripping pieces is opened, and the extra length part is easily pulled out and pulled out together with the meter. When fixing the meter to the instrument panel after maintenance is completed, the extra length is inserted between the pair of gripping pieces while the meter is returned to the instrument panel. Thereby, the extra length is fixed inside the meter.

According to the second aspect of the present invention, the main wire harness is sandwiched between a pair of holding pieces provided on the connector cover and is wired on the back side of the meter. Further, the branch wire harness is held between the holding pieces provided at the tip of the holding piece. When the meter is pulled out from the instrument panel, the extra length easily comes out from between the gripping pieces and is pulled out together with the meter.

According to the third aspect of the present invention, when assembling the meter drawn from the instrument panel into the meter again, the extra length drawn together with the meter is applied to the widened portion and pushed between the gripping pieces. The extra length portion is easily sandwiched between the gripping pieces, and is fixed inside the instrument panel.

[0016]

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a branch wire harness support structure according to the present invention will be described below with reference to the drawings. FIG. 1 shows an instrument panel (hereinafter referred to as “instrument panel”).
FIG. 2 is a perspective view showing the relationship between the meter 25 and the trunk wire harness 27 through the inside of the instrument panel 23. FIG.
FIG. 4 is a cross-sectional view showing the relationship 3 to 5 show a structure in which the main wire harness 27 is routed and fixed to the instrument panel 23.

As shown in FIGS. 1 and 2, the instrument panel 23
Is equipped with a meter 25 such as a speedometer. The back side of the meter 25, that is, the display surface 2 of the meter 25
On the opposite side of 5a, a reinforce 29 is provided. A trunk wire harness 27 is routed above the reinforce 29 on the back side of the meter 25. The trunk wire harness 27 is supported by a side wall 47 of the connector cover 31 fixed to the instrument panel 23.

From the main wire harness 27, the meter 2
The branch wire harness 33 is branched and routed toward the fifth side. The branch wire harness 33 is provided with an operation allowance and an extra length portion 26 when the meter 25 is pulled out from the instrument panel 23. This extra length 26 is
Is assembled to the instrument panel 23 and is detachably locked inside the instrument panel 23 by locking means 35 formed integrally with the connector cover 31. The connector cover 31 accommodates the electric connection box 32 inside and fixes the electric connection box 32 inside the instrument panel. FIG.
Reference numeral 101 denotes a windshield glass.

The connector cover 31 has a box shape with an upper opening, and has openings 37a, 37b on both sides in the longitudinal direction.
Are formed. At the top of one side wall 45 in the width direction, mounting plate portions 39, 41, 43 are formed.
These mounting plate portions 39, 41, 43 are formed at predetermined intervals. Further, through holes 39a, 41a, 43a are formed in the mounting plate portions 39, 41, 43, respectively, and the through hole 41a of the center mounting plate portion 41 is formed as an elongated hole.
Further, on the other side wall 47 in the width direction, L-shaped tape winding fixing portions 49 and 51 are formed to protrude on both sides in the longitudinal direction, respectively. Further, on the side of the opening 37a, a holding portion 53 for supporting the trunk wire harness 27 and the above-mentioned locking means 35 are formed at the tip of the holding portion 53.
A receiving portion 55 protrudes from an intermediate portion of the side wall 47 substantially in parallel with the holding portion 53.

As shown in FIGS. 3 and 4, the holding portion 53 has a pair of flexible holding pieces 57 and 59 projecting outward from the upper portion of the other side wall 47. One holding piece 57 is protruded from the upper portion of the side wall 47 at a substantially right angle.
The other holding piece 59 protrudes upward from the lower part of the side wall 47 upward. Also, the other holding piece 59
Has an arc-shaped convex portion 61 at an intermediate portion. The holding space 6 surrounded by the projection 61, the holding piece 57, and the side wall 47.
The main line wire harness 27 is accommodated and fixed in 3. The trunk wire harness 27 routed along the other side wall 47 is fixed by tape winding at the tape winding fixing portion 49, and after being routed in the holding space 63, the tape is fixed to the tape winding fixing portion 51. It is wound and fixed and is supported by the connector cover 31.

After the branch wire harness 33 is fixed to the tape winding fixing portion 49 together with the main wire harness 27, the branch wire harness 33 is connected to the side wall 4 together with the main wire harness 27.
7 and is supported by the connector cover 31 by being locked by locking means 35 formed at the end of the holding portion 53.

As shown in FIGS. 3 and 4, the locking means 35 includes a gripping piece 65 provided at the distal end of the holding piece 57 and a gripping piece 67 provided at the distal end of the convex 61 of the gripping piece 59. It is composed of Gripping piece 67, bunch Jihen portion are bent in an arc toward the 65 side, the tip, away from the grip piece 65, i.e. downward is extended. Further, the distal end portion of the gripping piece 67 has a larger area than the distal end of the gripping piece 65, and is provided with a wider portion 69. Then, the tip end of the gripping piece 65 and the gripping piece 67
The extra length portion 26 of the branch wire harness 33 is inserted between the gripping piece portions 65 and 67 from between the opening portions 69. At this time, since the gripping pieces 57 and 59 have flexibility, if the extra length portion 26 is pressed toward the side wall 47, the pair of holding pieces 57 and 59 bend and the gripping pieces 65 and 67 are bent. Extra length 2 between
6 is inserted. If the extra length portion 26 is pulled in a direction away from the side wall 47, the extra length portion 26 is pulled out of the connector cover 31 from between the gripping pieces 65 and 67.

As shown in FIG. 4, a receiving portion 55 formed at an intermediate portion of the other side wall 47 has a pair of side walls 71, 71,
The pair of side walls 71, 71 is constituted by a connecting portion 73 for connecting the distal ends thereof, and a fixing rib 75 formed at the upper part of the root portion of the side walls 71, 71. In the receiving portion 55, a fitting portion 85 described later is inserted between the side walls 71, 71, and the position of the connector cover 31 with respect to the instrument panel 23 is determined.
An interference rib 87 described later engages with the fixing rib 75.

On the other hand, a fixing portion 77 to which the connector cover 31 is fixed is formed on the instrument panel 23. The fixing portion 77 is moved from the instrument panel 23 to the wall portion 23 of the instrument panel 23.
three bosses 79, 81, 83 projecting substantially in parallel to
And a fitting portion 85 fitted to the receiving portion 55, and an interference rib 87 provided between the boss portion 81 and the fitting portion 85.

As shown in FIGS. 4 and 5, the boss 79,
81 and 83 are mounting plate portions 39 and 4 of the connector cover 31;
They are arranged side by side at intervals substantially equal to 1, 43. As shown in FIG. 5, positioning projections 89 and 91 are protruded from distal ends of the bosses 79 and 83 on both sides. These positioning projections 89 and 91 are attached to the mounting plate 39 of the connector cover 31.
43 are inserted into the through holes 39a and 43a. The boss portion 81 has a screw hole 93 opened at the tip end. As shown in FIG. 6, a screw 95 inserted through the through hole 41a of the mounting plate 41 is screwed into the screw hole 93.

The fitting portion 85 is provided on the side wall 71 of the receiving portion 55,
71, a pair of side walls 97, 97 inserted between them, and an intermediate portion between the side walls 97, 97 are connected.
7 comprises a connecting wall 99 erected toward the boss 81 side. In the fitting portion 85, the side walls 97, 97 are inserted between the side walls 71, 71 of the receiving portion 55, and the interference rib 87
Presses the fixing rib 75 of the receiving portion 55 and is engaged.

Next, the meter 25 is detached from the instrument panel 23, and the extra length 2
6 will be described. As shown in FIGS. 7 and 8A, when the meter 25 is assembled to the instrument panel 23, the extra length 26 of the branch wire harness 33 is locked to the connector cover 31 by the locking means 35. . Accordingly, in this state, the extra length portion 26 does not lean and does not interfere with the reinforce 29 on the back surface side of the meter 25, and there is no rattling due to vibration.

7 and 8B, when the meter 25 is pulled out from the instrument panel 23 to the front side, the extra length 26 is easily displaced from the pair of gripping pieces 65 and 67. With the meter 25, it is pulled out to the front side.
Therefore, the extra length 26 can be easily pulled out together with the meter 25.

Next, when assembling the meter 25 to the instrument panel 23, with the meter 25 attached to a predetermined position of the instrument panel 23, the extra length portion 26 is brought into contact with the unfolding portion 69 and is pressed toward the side wall 47 as it is. I do. As a result, the gap between the gripping pieces 65 and 67 is widened, and the extra length 26 is
It is sandwiched between 5, 67. Therefore, the connector cover 31
The extra length portion 26 can be easily supported on the instrument panel 23 through the intermediary of the instrument. In this state, as described above, the extra length 2
6 does not interfere with other devices or the vehicle body structure, for example, the reinforcement 29, and does not rattle due to vibration.

Therefore, the extra length of the branch wire harness can be securely and easily fixed inside the instrument panel, and the extra length can be easily pulled out when the meter is pulled out from the inside of the instrument panel.

Further, in this embodiment, the locking means 35 is provided on the connector cover 31 provided on the back side of the meter 25 and fixing the electric connection box 32 inside the instrument panel. There is no need to set separate parts. Therefore, the manufacturing cost can be reduced.

Although the locking means 35 is provided on the connector cover 31 in this embodiment, it may be provided on another device provided on the back side of the meter.

[0034]

As described above, according to the first aspect of the present invention, when the meter is fixed to the instrument panel, the extra length of the branch wire harness has a pair of flexible grips provided on the connector cover. Since it is sandwiched between the pieces, the extra length does not drip and does not interfere with other devices. Also, there is no rattling due to vibration. Further, when the meter is pulled out of the instrument panel, the gripping portion is bent and the extra length portion easily comes out from between the pair of gripping pieces,
It can be easily pulled out with the meter.

According to the second aspect of the present invention, the trunk wire harness is sandwiched between a pair of gripping pieces provided on the connector cover and is wired on the back side of the meter, and the branch wire harness is provided at the tip of the holding piece. Since the extra length of the branch wire harness does not sag, the extra length easily comes out from between the grip pieces and is easily pulled out together with the meter when the meter is pulled out of the instrument panel. I can do it.

According to the third aspect of the present invention, when the meter pulled out from the instrument panel is mounted again on the instrument panel, the meter is mounted on the instrument panel, and the extra length drawn out together with the meter is widened. By pressing it between the gripping pieces
The extra length can be easily clamped between the gripping pieces.

[0037]

[Brief description of the drawings]

FIG. 1 is a perspective view showing the inside of an instrument panel to which a support structure for a branch wire harness according to the present invention is applied.

FIG. 2 is a cross-sectional view showing the inside of the instrument panel to which the branch wire harness support structure according to the present invention is applied.

FIG. 3 is a sectional view showing a holding portion and a locking means.

FIG. 4 is a perspective view showing a connector cover and a fixing portion of an instrument panel to which the connector cover is fixed.

FIG. 5 is a perspective view showing a fixing portion of the instrument panel.

FIG. 6 is a cross-sectional view showing a state where the connector cover is fixed to a fixing portion of the instrument panel.

FIG. 7 is a perspective view showing a state before and after the meter is pulled out from the instrument panel.

FIGS. 8A and 8B show a state of the extra length when the meter is pulled out from the instrument panel, FIG. 8A is a cross-sectional view showing a state where the meter is assembled to the instrument panel, and FIG. 8B is a cross-sectional view showing a state where the meter is pulled out from the instrument panel. It is.

FIG. 9 is a perspective view showing the inside of a conventional instrument panel.

FIG. 10 is a perspective view showing a clip for fixing a surplus portion of the branch wire harness to the instrument panel.

FIGS. 11A and 11B show a fixing structure for fixing a surplus portion of the branch wire harness to another device, wherein FIG. 11A is a perspective view showing a state before fixing the branch wire harness, and FIG. It is a perspective view showing the state where it did.

[Explanation of symbols]

 23 Instrument Panel (Instrument Panel) 25 Meter 26 Extra Length 27 Trunk Wire Harness 33 Branch Wire Harness 35 Locking Means 57,59 Clamping Piece 65,67 Grip Piece 69 Wide

Claims (3)

(57) [Claims] An instrument panel supports a branch wire harness that is branched and routed from a main wire harness routed on the back side of the meter inside the instrument panel to a meter fixed to the instrument panel. And a pair of flexible grips for detachably locking the extra length of the branch wire harness, which is pulled out together with the meter when the mate is removed from the instrument panel, inside the instrument panel. A locking means consisting of one piece ,
The locking means is installed inside the instrument panel
To secure the electrical junction box inside the instrument panel
A branch wire harness support structure, which is formed integrally with the connector cover . 2. The branch wire harness according to claim 1,
A support structure, wherein the pair of flexible gripping pieces are
It is provided on the connector cover and holds the main wire harness
The branch wire harness support structure is provided at each of the tip portions of a pair of holding pieces . 3. The branch wire harness according to claim 2,
A support structure, wherein the distal ends of the gripping pieces are separated from each other.
At the tip of one of the gripping pieces.
To make the wire harness wider
A support structure for a branch wire harness, which is formed .