JPH0948241A - Door harness distributing structure for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the infiltration of water in a door harness distributed part by providing a waterproof grommet with a side wall part formed on the cabin inner side of a weatherstrip, and bringing a lip part of the weatherstrip into contact with the side wall part of the waterproof grommet to seal in a position where the lip part is spaced from a door panel. SOLUTION: A side face part 15 of a door inner panel is provided with a waterproof grommet 16 with door harness inserted through. A weatherstrip 20 on the upper side has a base part 20a mounted to the side face part 15, and a seal part 20b. The base part 20a is provided with a lip part 20c coming in contact with the side face part 15. A grommet body 17 is provided with a side wall part 17g along the weatherstrip base part 20a, and the lip part 20c comes in contact with the side wall part 17g to seal in a position where the lip part 20c is spaced from the side face part 15 of the door inner panel after passing on the waterproof grommet body 17. As a result, water does not infiltrate passing between the weatherstrip 20 and the door inner panel side face part 15 or the grommet body 17.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for arranging a door harness on a vehicle door, and more particularly to a structure for improving a sealing property at a arranging portion.

[0002]

2. Description of the Related Art Conventionally, as this type, there is one shown in FIGS. 10 and 11, for example (see Japanese Utility Model Laid-Open No. 7-5969). In this structure, a fitting groove 5 for a protector 4 for harness protection is formed in an L shape from the side plate portion 2 to the inner plate portion 3 of the door frame 1, and the harness portion 6 of the door circuit body is formed in the door frame 1. And the protector 4 made of synthetic resin is fitted into the fitting groove 5 to project the harness end 7 for body side connection from the side plate 2, and the rubber made on the side plate 2 The base surface of the weather strip 8 is adhered to the surface of the protector 4.

[0003]

However, in such a conventional device, as shown in FIG. 11, a gap 9 is provided between the weather strip 8 and the side plate portion 2 on the upper and lower sides of the protector 4. There is a problem that rainwater and the like enter the passenger compartment through the gap 9.

Therefore, the present invention is to provide a vehicle door harness installation structure capable of preventing water from entering the door harness installation site.

[0005]

In order to achieve the above object, the invention as set forth in claim 1 is such that a door harness is wrapped around the inside of a door panel to a side surface portion on a door hinge mounting portion side, and the side surface portion is provided. The door harness is inserted into the waterproof grommet disposed on the vehicle, and is led out to the vehicle body side.
A vehicle door harness wiring structure in which a weather strip that seals between the vehicle body and the waterproof grommet is routed in the vertical direction, and the weather strip includes a base portion mounted on a door panel side. A seal portion extending from the base portion and abutting against the vehicle body side for sealing when the door is closed, and a lip portion protruding toward the vehicle interior side and abutting against the door panel for sealing is formed on the base portion. In the waterproof grommet, a side wall is formed inside the weather strip along the base, and the side wall is directed at least upward so that the lip of the weather strip contacts the door panel. The lip portion of the weather strip is extended to the contacting position, and the lip portion of the weather strip is separated from the door panel by passing over the waterproof grommet. It is characterized in that the side wall of the grommet in contact with the set vehicular door harness routing structure as the seal.

In such a structure, by arranging the weather strip on the waterproof grommet, the lip portion is separated from the side surface of the door inner panel near the upper side of the waterproof grommet. However, the lip portion of this separated portion contacts the side wall portion of the grommet body. Therefore, the lip portion comes into continuous contact with the side wall portion of the grommet body from the side surface portion of the door inner panel,
Water does not pass through between the weather strip and the side surface of the door inner panel or the grommet body to enter the passenger compartment.

According to a second aspect of the present invention, in addition to the structure of the first aspect, the weather strip is located on the door panel contact surface side of the side wall portion and on the vehicle outer side of the side wall portion. An elastic convex portion that abuts the door panel is formed on the peripheral edge of the door panel abutting surface portion, while a lip portion of the weather strip is set to abut the elastic convex portion.

According to this, since the elastic projection of the grommet main body is formed continuously with the side wall and the portion located outside the side wall of the grommet body, the sealing position of the weather strip (lip portion disposition) is provided. At the vehicle outer side from the position), the elastic projection of the grommet main body is pressed against the side surface of the door inner panel to be in a sealed state. Therefore, the effect of preventing water from entering between the grommet body and the side wall can be improved.

Moreover, the side wall has elastic projections,
Since the lip portion of the weather strip is pressed, the seal portion of the lip portion of the weather strip and the side surface of the door inner panel and the seal portion of the grommet body and the side wall portion can be connected to each other to the inside of the vehicle. It is possible to more effectively prevent water leakage.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below.

1 to 8 show an example of an embodiment of the present invention.

First, the structure will be described. In the figure, reference numeral 11 is a side door of a vehicle, and this door 11 opens and closes a door opening of the vehicle body. The side door 11 is provided with a door outer panel 12 on the outside of the vehicle, a door inner panel 13 on the inside of the vehicle, and a door trim (not shown) is provided on the inside of the door inner panel 13 inside the vehicle. .

A door harness 14 is inserted between the door trim and the door inner panel 13, and the door harness 14 is led out from the door hinge mounting portion side to the vehicle body side.

Specifically, the side surface portion 15 of the door inner panel 13 on the side of the door hinge mounting portion is formed in a flat shape,
A waterproof grommet 16 in which the door harness 14 is inserted is provided on the side surface portion 15 having a planar shape. Then, a weather strip 20 is arranged passing above the waterproof grommet 16. The weather strip 20 seals a gap between a vehicle body door opening peripheral portion (not shown) when the door is closed.

The weather strip 20 has a side surface portion 15.
20a attached to the plurality of clips 23 through a plurality of clips 23
And a seal portion 20b extending from the base portion 20a and abutting against the vehicle body side for sealing when the door is closed.
The base portion 20a is formed with a lip portion 20c that projects toward the vehicle interior and abuts against the side surface portion 15 for sealing (see FIG. 9).

Further, the side surface portion 15 of the door inner panel 13
At the portion where the waterproof grommet 16 is attached, a square opening 15a is formed, and a closing member 21 that closes the opening 15a is attached. The closing member 21 has a recess 21 that projects into the door from the opening 15a.
A is formed, and a flange portion 21b attached to the side surface portion 15 is formed around the recess 21a.

Further, the waterproof grommet 16 covering the closing member 21 is a grommet main body 17 made of an elastically deformable material, in this embodiment a rubber material, and a side surface part attached to the grommet main body 17. It is composed of a mounting member 18 mounted on the mounting member 15.

The grommet main body 17 has a rectangular plate portion 17
A tubular portion 17b having a and through which the door harness 14 is inserted so as to pass through a substantially central portion of the plate portion 17a in a substantially horizontal direction.
Is integrally molded, and further, a vehicle inner side portion 17c extending from the square plate portion 17a to the vehicle interior side is formed.

The rectangular plate portion 17a is provided with a recess 17d on the rear surface (door panel side surface 15 side) into which the mounting member 18 is fitted, and a peripheral edge portion 17e abuts on the door panel side surface portion 15. ing. Also, the cylindrical portion 17b
A locking groove 17f for locking the mounting member 18 is formed in the portion of the square plate portion 17a that projects to the back surface side.

Further, between the square plate portion 17a and the vehicle interior side portion 17c (inside the interior of the weather strip 20), a side wall portion 17g is provided along the weather strip base portion 20a.
Are formed.

The side wall portion 17g extends vertically to a position where the lip portion 20c of the weather strip 20 abuts the side surface portion 15 of the door inner panel.

When the lip portion 20c of the weather strip 20 passes over the waterproof grommet 17, the lip portion 20c abuts the side wall portion 17g of the waterproof grommet 17 at a position separated from the side surface portion 15 of the door inner panel. It is set to be sealed.

Further, the grommet main body 17 has a door panel contact surface side of the side wall portion 17g and a peripheral edge portion 17e of the square plate portion 17a as a "door panel contact surface portion" located outside the side wall portion 17g. An elastic convex portion 17h that abuts the door inner panel side surface portion 15 is continuously formed.

The lip portion 20c of the weather strip 20 is set so as to come into contact with the elastic protrusion 17h.

On the other hand, the mounting member 18 is the grommet body 1
7 is formed on the rear surface side of the grommet main body 17 and has a notch 18b which is inserted and locked in the locking groove 17f of the grommet main body 17 and a locking claw 18c which is locked by the locking piece 17i of the grommet main body 17. Has been formed. Also, this mounting member 18
A bent portion 18d is formed along the corner 13a of the door inner panel 13. Such a mounting member 18 is
By inserting the grommet main body 17 from the direction of arrow P in FIG. 3, the notch 18b is inserted and locked in the locking groove 17f, and the locking claw 18c is locked to the locking piece 17i of the grommet main body 17.
Are locked. Thereby, the grommet body 17 and the mounting member 18 are integrated.

Next, a method of arranging the vehicle door harness wiring structure having the above structure will be described.

First, the mounting member 18 is attached to the grommet body 17.
With the waterproof grommet 16 assembled,
The rounded bundled portion 14a of the door harness 14 is inserted into the tubular portion 17b of the grommet body 17, and the planar portion 14b is provided along the back surface of the grommet body 17 or the like.

After that, the clip portion 18a of the waterproof grommet 16 is inserted into the insertion hole 21c of the closing member 21, and is fitted into the mounting hole 15b of the side surface portion 15 of the door inner panel to fit the waterproof grommet 16 to the side door 11. Attach to.

Next, the base portion 20 of the weather strip 20.
a by a plurality of clips 23 arranged at appropriate intervals,
Attach to the side door 11 (see FIG. 9). The clip 23 is also arranged near the upper side and the lower side of the waterproof grommet 16.

In such a structure, by arranging the weather strip 20 on the upper side of the waterproof grommet 16, the lip portion 20c is provided near the upper and lower sides of the waterproof grommet 16 so that the door inner panel side surface portion 15 is formed. Away from. However, the lip portion 20c of the separated portion
Contacts the side wall portion 17g of the grommet body 17. Therefore, the lip portion 20c is the side surface portion 15 of the door inner panel.
Therefore, the side wall portion 17g of the grommet main body is brought into continuous contact with water, and water may penetrate into the vehicle interior through the weather strip 20 and the side surface portion 15 of the door inner panel or the grommet main body 17. Absent.

Further, the elastic protrusion 17 of the grommet body 17
Since h is continuously formed on the side wall portion 17g and the rectangular plate portion peripheral edge portion 17e, h is located outside the sealing position of the weather strip 20 (position where the lip portion 20c is disposed) on the vehicle exterior side.
The elastic protrusion 17h of the grommet main body is pressed against the side surface 15 of the door inner panel to be in a sealed state. Therefore,
The effect of preventing water from entering between the grommet body 17 and the side wall portion 17g can be improved.

In addition, since the lip portion 20c of the weather strip 20 is pressed against the elastic protrusion 17h in the side wall portion 17g, the lip portion 20c of the weather strip 20 and the sealing portion of the side surface portion 15 of the door inner panel are formed. The grommet main body 17 and the side wall portion 17g can be continuously connected to the seal portion, and water leakage to the vehicle interior side can be prevented.

This elastic projection 17h projects from the general surface of the side wall 17g, but the lip 20c of the weather strip 20 is in contact with the general surface of the side wall 17g as shown in FIG. , The side wall 1 as shown in FIG.
A gap does not open between the lip portion 20c and the grommet main body side wall portion 17g before contacting the 7g elastic protrusion 17h. That is, since the lip portion 20c obliquely contacts the extension direction of the elastic protrusion 17h and the elastic protrusion 17h and the lip portion 20c elastically deform, the elastic protrusion 17h is separated from the general surface portion of the side wall portion 17g. Even if it protrudes to some extent, a gap does not open between the lip portion 20c and the grommet main body side wall portion 17g, and the sealing property is secured.

In this embodiment, the side wall portion 17g
Are extended both up and down, but it is sufficient that they are extended at least upward. That is, water easily collects on the upper side of the grommet main body 17, and therefore the side wall portion 17 of the present invention is required, but on the lower side, the side wall portion 17 is formed because water does not collect like the upper side. Even without it, it is difficult for water to get into the passenger compartment.

[0035]

As described above, according to the invention described in claim 1, the waterproof grommet has the side wall formed along the base on the vehicle interior side of the weather strip, and the side wall is At least upward, the lip portion of the weather strip extends to a position where it abuts the door panel, and the lip portion of the weather strip passes over the waterproof grommet, so that the lip portion is waterproof at the position where it is separated from the door panel. By setting the grommet to contact the side wall of the grommet and seal the grommet, the lip portion of the weather strip continuously contacts the side wall of the grommet body from the side surface of the door inner panel, and water It does not pass through between the strip and the side surface of the door inner panel or the grommet body and penetrate into the vehicle interior.

According to the invention described in claim 2, in addition to the effect described in claim 1, the elastic convex portion of the grommet main body is continuous with the side wall portion and the portion located outside the side wall portion of the vehicle. Since it is formed, the elastic projection of the grommet main body is brought into pressure contact with the side surface of the door inner panel on the vehicle outer side from the sealing position (lip portion disposition position) of the weather strip to establish a sealed state. Therefore, the effect of preventing water from entering between the grommet body and the side wall can be improved. Moreover, the side walls have elastic protrusions,
Since the lip portion of the weather strip is pressed, the seal portion of the lip portion of the weather strip and the side surface of the door inner panel and the seal portion of the grommet body and the side wall portion can be connected to each other to the inside of the vehicle. It has a practically useful effect that water leakage can be prevented more effectively.

[Brief description of drawings]

FIG. 1 is a perspective view showing a state in which a door harness is provided according to an embodiment of the present invention.

FIG. 2 is an exploded perspective view of FIG. 1 showing the same embodiment.

FIG. 3 is an exploded perspective view of a waterproof grommet and a closing member according to the same embodiment.

FIG. 4 is a perspective view showing an assembled state of the waterproof grommet and the closing member according to the embodiment.

FIG. 5 is a cross-sectional view taken along the line AA in FIG. 3 showing the same embodiment.

FIG. 6 is a cross-sectional view taken along the line BB of FIG. 1 showing the same embodiment.

FIG. 7 is a cross-sectional view taken along the line CC of FIG. 1 showing the same embodiment.

FIG. 8 is a cross-sectional view taken along the line DD of FIG. 1 showing the same embodiment.

FIG. 9 is a cross-sectional view taken along the line EE of FIG. 1 showing the same embodiment.

FIG. 10 is a perspective view of a door showing a conventional example.

FIG. 11 is a sectional view taken along line FF of FIG. 10 showing the conventional example.

[Explanation of symbols]

 11 Side door (door) 13 Door inner panel (door panel) 14 Door harness 15 Side surface 16 Waterproof grommet 17 Grommet main body 17a Square plate part (portion located outside the vehicle side wall part) 17e Edge 17g Side wall part 17h Elastic projection 20 Weather strip 20a Base 20b Seal 20c Lip

Claims (2)

[Claims] 1. A door harness is wrapped around the inside of a door panel to a side surface on a door hinge mounting portion side, and the door harness is inserted into a waterproof grommet disposed on the side surface portion and led out to a vehicle body side. A vehicle door harness wiring structure in which a weather strip for sealing between the vehicle body and the waterproof grommet is routed along the vertical direction, wherein the weather strip is a base portion mounted on the door panel side. A seal portion extending from the base portion and abutting against the vehicle body side for sealing when the door is closed, and a lip portion protruding toward the vehicle interior side and abutting against the door panel for sealing is formed on the base portion. In the waterproof grommet, a side wall portion is formed along the base portion on the vehicle interior side of the weather strip, and the side wall portion is directed at least upward, The lip portion of the weather strip is extended to a position where it abuts the door panel, and the lip portion of the weather strip passes over the waterproof grommet, so that the lip portion is a sidewall of the waterproof grommet at a position separated from the door panel. A door harness wiring structure for a vehicle, which is set so as to come into contact with a portion to be sealed. 2. The weather strip includes the side wall portion and a peripheral portion of a portion located outside the vehicle side of the side wall portion,
2. An elastic convex portion that is pressed against the door panel is formed, and a lip portion of the weather strip is set to abut the elastic convex portion formed on the side wall portion. Vehicle door harness wiring structure.