JP2002120668A - Laying structure for door harness - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a laying structure for a door harness interfering no line for arrangement of a weather strip with excellent mounting workability. SOLUTION: A substantially L-shaped recess 12 is formed across a door frame region from an end face portion 11a on the interior side of a line L for the arrangement of a weather strip 17 to an interior-side internal surface portion 11b, and intercommunicating mounting holes 11d and 12d are formed in the end face portion 11a on the exterior side of the arrangement line L and a peripheral wall portion 12c of the recess 12. Each mounting hole 11d, 12d holds a relay pipe 18 of rubber or elastomer passed from one mounting hole 12d to the other mounting hole 11d with both ends fixedly fitted in them. Through the relay pipe 18, a door harness W/H in the recess 12 is laid from the interior-side internal surface portion 11b to the end face portion 11a beyond the arrangement line L.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door harness wiring structure, and more particularly, to a door harness that can be wired without interfering with a mounting line of a weather strip mounted on an end face of a door frame facing the vehicle body. Things.

[0002]

2. Description of the Related Art Conventionally, a door harness wired to a door of an automobile is provided with a through hole in an end face of a door frame hingedly connected to a vehicle body, and a grommet attached to the door harness is mounted in the through hole to allow the door harness to pass through the door. A door harness is routed to the vehicle body, and the grommet is used to prevent water from entering through the through hole. However, since the work of passing the door harness through the through hole from the inside of the door and attaching the grommet attached to the door harness to the through hole is performed from the inside of the door, it is very difficult and troublesome. It is a big neck on.

[0003] In order to solve the above problem, the door frame is routed from the inside of the door to the vehicle body without providing a through hole in the door frame. Various proposals have been made in which an L-shaped recess is provided and a door harness is routed along the recess to eliminate the work of inserting the door harness from the inside of the door frame into the through hole and the work of attaching the grommet. Have been.

For example, in a waterproof structure of an automobile door disclosed in Japanese Patent Laid-Open No. 7-179156, as shown in FIGS. 5A and 5B, a door is attached to a grommet 1 having a substantially L-shaped fitting 2 and a bellows portion 3. Through the harness W / H, the fixture 2 is assembled to the substantially L-shaped concave portion 4a provided in the door frame 4, and is fixed to the door frame 4 by the bolt BT through the bolt hole BH. Further, a weather strip 5 is mounted on the door frame 4 so as to straddle the fixture 2 in order to prevent water from entering the room from the outside.

[0005]

In the waterproof structure for an automobile door described above, the grommet 1 is mounted on the recess 4a of the door frame 4 and then the weather strip 5 is straddled over the fixture 2.
Is to be mounted. For this reason, a gap due to a step is likely to be generated in a region where the mounting surface of the weather strip 5 straddles the mounting fixture 2, and there is a possibility that the waterproof property may be reduced.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problem, and does not reduce the workability of arranging a door harness on a door frame, and does not cause a gap to be formed on a mounting surface of a weather strip. It is an object to provide a wiring structure of a harness.

[0007]

SUMMARY OF THE INVENTION In order to achieve the above object, according to the present invention, a door frame chamber is bounded by a mounting line of a weather strip mounted on an end surface of a door frame on a hinge connection side with a vehicle body. A door harness is routed from an inner inner surface portion to an end surface portion, wherein a substantially L-shaped concave portion is formed from the end surface portion on the indoor side to the indoor side inner surface portion with respect to the mounting line, while a peripheral wall of the concave portion is formed. A mounting hole is provided on the end face portion on the outdoor side of the mounting portion and the mounting line, and the mounting holes are connected to each other, and each of the mounting holes is inserted from one mounting hole to the other mounting hole to fit and fix both ends. Or provide a relay pipe made of elastomer,
A door harness routing structure, wherein the door harness is routed from the recess through the relay pipe to the indoor side inner surface to the end surface beyond the mounting line. I have.

[0008] According to the above configuration, the door harness can be routed from the recess provided between the indoor side inner surface portion and the end surface portion of the door frame to a portion beyond the weather strip mounting line through the relay pipe. Therefore, since the mounting surface of the weather strip can be in close contact with the end face of the door frame across the entire area, there is no gap between the weather strip and the end face of the door frame, and the waterproof property of the weather strip is ensured. Things. Further, the relay pipe mounted beyond the weather strip mounting line is set only in a short section between the peripheral wall portion of the recess and the end face portion on the outdoor side of the mounting line. The wiring work of the door harness through can be performed without difficulty.

Specifically, a substantially L-shaped cylindrical protector corresponding to the concave portion is fitted and fixed to the concave portion continuously with the mounting hole of the peripheral wall portion, and the door harness is routed through the protector. Is preferred. If you do this,
The door harness routed in the substantially L-shaped recess can be easily adapted to the route, and the door harness can be protected by the protector.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. FIGS. 1 and 2 show a wiring structure of a door harness W / H to an automobile door. A door frame of a door DR attached to the left and right sides of a vehicle body includes a metal outer panel 10 and a door inner panel 11. The door / inner panel 11 has an end surface portion 11a of a vehicle body facing surface which is a hinge connection side with a vehicle body (not shown).
The rubber weather strip 17 is mounted along the required mounting line L over the entire circumference. A substantially L-shaped concave portion 12 is formed by recessing the door frame from the end surface portion 11a on the indoor side of the mounting line L to the inner surface portion 11b on the indoor side.

The inner surface 11b of the door / inner panel 11 on the indoor side has a large opening 11c in the center as a frame shape, and a resin panel 13 is fitted and fixed in the opening 11c. Door harnesses W / H are previously fixed to the front and back surfaces of the resin panel 13 with clamps (not shown), and various electrical components 16 connected to the door harness W / H are fixed. An electric wire W attached to the inside of the door of H is taken out to the outside through a through hole 14a in which a resin panel 13 is formed, and the door harness W / H is routed collectively to the concave portion 12.

On the indoor surface side of the resin panel 13 and the door inner panel 11, a door trim 15 is further provided.
Is installed. As shown in FIG. 2, the substantially L-shaped concave portion 12 of the door / inner panel 11 includes an end surface portion 12a on the vehicle body facing side and a side surface portion 12b on the indoor side.

As shown in FIG. 4, mounting holes 11d and 12d communicating with each other are formed in the recess 12 at the peripheral wall 12c and the end surface 11a on the outdoor side B with respect to the mounting line L of the weather strip 17, respectively. Provided. And
A flexible connecting pipe 18 made of rubber or elastomer shown in FIG. 3 is inserted from one mounting hole 12d to the other mounting hole 11d, and mounting portions 18 at both ends thereof are provided.
a and 18b are fitted and fixed to the edges of the mounting holes 12d and 12d. The relay pipe 18 connects the door harness W / H from the indoor side inner surface portion 11b to the outdoor side B that exceeds the mounting line L.
A rubber or elastomer bellows member for connecting the door DR and the vehicle body in a waterproof state has a diameter sufficient to be routed to the end surface portion 11a of the vehicle and has a mounting portion 18a located on the outdoor side B. A connecting portion 18c to which the connecting member 19 can be connected is provided.

The substantially L-shaped recess 12 is screwed with a substantially L-shaped cylindrical protector 20 made of resin and corresponding to the recess of the recess 12, or is appropriately locked by a locking hole and a locking projection. The door harness W / H arranged in the recess 12 is inserted and protected by means of fitting. In the present invention, the door harness W / H is routed directly in the recess 12 without using the protector 20.
Thereafter, the recess 12 may be covered with a door trim 15 or the like.

In the waterproof structure for an automobile door having the above structure, as shown in FIG. 4, a relay pipe 18 is fitted between the mounting holes 11d and 12d, and the door inner panel 1 is provided.
1 door harness W / H arranged on the indoor side inner surface 11b
The protector 20 is externally mounted on the vehicle introduction side. In addition,
The door harness W / H extends from the indoor side inner surface 11b to the end surface portion 1.
1A and a second portion WH2 extending from the end face portion 11a to the vehicle body side. The first portion WH1 and the second portion WH2 are preferably separated by connectors C1 and C2. It can be connected.

Next, the first portion W of the door harness W / H
The end of the connector H1 is inserted into the relay pipe 18 so as to cross the mounting line L of the weather strip 17 from the inside, and the connector C1 at the tip is brought to the end face 11a side.
Then, the door harness W / H is routed along the corner of the door DR by fitting and fixing the protector 20 to the recess 12. Subsequently, with respect to the connector C1 of the first portion WH1 of the door harness W / H reaching the end face 11a side,
Second part WH introduced into the vehicle body through bellows member 19
The second connector C2 is fitted and connected, and the bellows member 19 is connected to the connecting portion 18b of the relay pipe 18.

[0017]

As is clear from the above description, according to the present invention, the wiring area of the door harness does not interfere with the mounting line of the weather strip, so that there is no step on the mounting surface of the weather strip. It does not occur and does not lower its waterproofness. In addition, the presence of the recess requires a small area to be inserted into the door / inner panel, so that the workability of attaching the door harness can be simplified.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an embodiment of a waterproof structure of an automobile door of the present invention.

FIG. 2 is a partial perspective view of the vicinity of a concave portion of the door / inner panel.

FIG. 3 is an exploded perspective view of a connecting member and a protector.

FIG. 4 is a cross-sectional view of a wiring state of the door harness.

FIGS. 5A and 5B are diagrams showing a conventional example.

[Explanation of symbols]

 Reference Signs List 5 weather strip L mounting line A indoor side B indoor side W / H door harness 11a end surface 11b indoor side inner surface 11d mounting hole 12 recess 12c peripheral wall 12d mounting hole 17 weather strip 18 relay pipe 20 protector

Claims (2)

[Claims] 1. A structure in which a door harness is routed from an inner surface portion on the indoor side of a door frame to an end surface portion thereof with a mounting line of a weather strip mounted on an end surface portion of a door frame on a hinge connection side with a vehicle body as a boundary. A substantially L-shaped recess is formed from the end surface on the indoor side of the mounting line to the inner surface on the indoor side, while the peripheral wall portion of the recess and the end surface on the outdoor side of the mounting line are formed on each other. Each of the mounting holes is provided with a communication pipe, and each of the mounting holes is provided with a relay pipe made of rubber or elastomer having both ends fitted and fixed by being inserted from one of the mounting holes to the other mounting hole, and the door harness being removed from the recess. A wiring structure of a door harness, wherein the wiring structure is arranged so as to be routed from the inner surface portion on the indoor side to the end surface portion beyond the mounting line through the relay pipe. 2. A structure in which a substantially L-shaped cylindrical protector corresponding to the concave portion is fitted and fixed to the concave portion continuously with the mounting hole of the peripheral wall portion, and the door harness is routed through the protector. The wiring structure of the door harness according to claim 1.