JP2002027640A - Fixing structure for non-through type grommet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a fixing structure for a non-through type grommet which can secure moisture-proofness more surely and improve the moisture-proofness. SOLUTION: This fixing structure 10 of a non-through type grommet has a flat-cylindrical main part 16, which is arranged along an inner panel 22 of a door 20 and through which a wiring harness 12 can be inserted and a weather strip 24 layered on the surface 17a of the main part 16. Ribs 26 are provided on the rear of the main part 16, and the ribs 26 are provided at positions corresponding to the weather strip 24, and more preferably, are placed approximately in parallel with the weather strip 24.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fixing structure of a penetration-less grommet, for example, a fixing structure of a penetration-less grommet for arranging a wire harness from an automobile body side to an inner panel of a door.

[0002]

2. Description of the Related Art An example of a through-less grommet for arranging a wire harness on an inner panel of an automobile door has been proposed in Japanese Patent Application Laid-Open No. H11-20573. As shown in FIG. 6, the penetration-less grommet 70 has an inner panel
A wire harness 75 is routed to 74, and has a flat tubular main body 71 along the inner panel 74 of the door 73 and through which the wire harness 75 can be inserted, and a weather strip 76 is laminated on the surface of the main body 71 .

According to the penetrating-less grommet 70, FIG.
After arranging the wire harness 75 as shown in
Cover that protects the wire harness 75 on the back surface 71a
By attaching 77 and fixing it to the inner panel 74 (see FIG. 6) with bolts 78, the wire harness 75 can be routed without making a hole in the inner panel 74.

[0004]

The penetrating grommet 70 is provided with a seal 79 and a lip 80 on the back surface 71a of the main body 71, and is fixed to the inner panel 74 with the bolt 78, so that the bolt 78 can be tightened. The seal 79 and the lip 80 are pressed against the inner panel 74 to ensure waterproofness. According to this configuration, it is possible to sufficiently ensure waterproofness, but depending on the type of automobile, a fixing structure of a penetration-less grommet that can more reliably ensure waterproofness and further enhance waterproofness is provided. Was desired.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems, and has as its object to provide a penetration-less grommet that can more reliably ensure waterproofness and improve waterproofness. To provide a fixing structure.

[0006]

In order to achieve the above-mentioned object, the present invention provides a flat tubular main body which can be inserted into a wire harness along an inner panel of a door. A penetrating grommet having a weatherstrip laminated on the surface of the main body, having a lip provided on the backside of the main body, wherein the lip is provided at a position corresponding to the weatherstrip It is characterized by.

Here, the main body is formed into a substantially L shape so as to be attachable along the surface of the inner panel.
In the fixing structure of the through-less grommet configured as described above, the lip on the back surface of the main body is provided at a position corresponding to the weather strip. As a result, the weather strip is pressed by closing the door, and the compressive force of the weather strip is transmitted to the lip. Therefore, the lip is pressed against the inner panel by the compressive force of the weatherstrip.

Further, according to the present invention, the lip is provided substantially parallel to the weather strip. Because the lip is provided substantially parallel to the weather strip,
The compressive force of the weatherstrip is reliably transmitted to the lip.
Therefore, the lip is reliably pressed against the inner panel by the compressive force of the weather strip.

Further, the present invention is characterized in that a clamp provided on the back surface of the main body is provided, and the clamp is arranged along the lip. By disposing the clamp along the lip, the clamping force of the clamp is efficiently transmitted to the lip. Therefore, the lip is securely pressed against the inner panel.

[0010]

Embodiments of the present invention will be described below in detail with reference to the drawings. As shown in FIG.
The fixing structure 10 of the through-less grommet according to the embodiment has a through-less grommet 11 having a main body 16 bent into a substantially L shape in a cylindrical bellows 14 through which a wire harness 12 is inserted.
Has a flat cylindrical main body 16 along the inner panel 22 of the door 20 shown in FIG. 2 and through which the wire harness 12 can be inserted, and a weather strip 24 is laminated on a surface 17a of the main body 16, It has a lip 26 provided on the back surface 17b of the main body 16, and the lip 26 corresponds to the weather strip 24, preferably the lip 26 is a weather strip.
It is provided at a position substantially parallel to 24.

The main body 16 is formed in a state of being bent into a substantially L shape along the inner panel 22, and one of the bent portions 17 is formed in a flat cylindrical shape, and is formed on the surface 17 a of the one of the bent portions 17. The bellows 14 and the weather strip 24 are provided, a lip 26 and a clamp 28 are provided on a back surface 17b of one bent portion 17, and a pair of fixing claws 29 are provided on the other bent portion 18.

The bellows 14 is formed in a cylindrical shape so that the wire harness 12 can be inserted therethrough. The base end 14a is communicated with one of the flat cylindrical bent portions 17 of the main body 16, and the projecting portion 14b at the distal end is formed.
Are formed so as to be attachable to a vehicle body (not shown). The weather strip 24 is pressed against the vehicle body by closing the door 20 of the automobile, and seals a gap between the inner panel 22 of the door 20 and the vehicle body to enhance waterproofness and sound insulation.

The clamp 28 is a clamp with a waterproof packing provided with a packing for waterproofing between the clamp 28 and the main body 16 of the through-less grommet 11, and is a member for attaching the through-less grommet 11 to the inner panel 22. The fixing claw 29 is also a member for attaching the penetration-less grommet 11 to the inner panel 22.

The lip 26 is provided on the back surface 17b of the main body 16 so as to correspond to the weather strip 24. In particular, as shown in FIGS. 1 and 2, a pair of lips 16 are arranged at a predetermined interval, and Preferably, each lip 16 is provided at a position substantially parallel to the weather strip 24.

Further, a resin grommet inner 32 for protecting the wire harness 12 is detachably attached to the main body 16. The resin grommet inner 32 is a cover member formed in a substantially L shape.
Into the one bent portion 17 of the flat cylindrical shape,
By fitting the 32b into the groove 16a of the main body 16, the main body 16 is detachably attached to the main body 16. By attaching the resin grommet inner 32 to the main body 16, a flat cylindrical shape is formed by the main body 16 and the resin grommet inner 32, and the through space 34 passes through the inside of one of the bent portions 17 of the flat cylindrical shape to be bellows. Communicated with 14.

When attaching the through-gross grommet 11 to the inner panel 22, first, the wire harness 12 is taken out from the one flattened bent portion 17 of the main body 16 through the bellows 14, and the wire harness 12 is further moved along the main body 16. After the wiring, the resin grommet inner 32 is attached to the main body 16 so that the wire harness 12 is arranged in the through space 34 formed by the main body 16 and the resin grommet inner 32, and the wiring is pulled out from the through space 34. I do.

Next, the main body 16 of the penetration-less grommet 11 is arranged so as to be located between the weather strip 24 and the inner panel 22, and the corners of the main body 16 are aligned with the corners of the inner panel 22. Then, a clamp 28 and a pair of fixing claws
29 is engaged with a mounting hole (not shown) of the inner panel 22 so that the through-less grommet 11 is
Attach to 22. Thereby, the pair of lips 26 are pressed against the inner panel 22 as shown in FIG.

According to the through-less grommet fixing structure 10, the lip 26 of the rear surface 17b of the main body 16 is positioned at a position corresponding to the weather strip 24, preferably, a pair of lips 24 are spaced from the weather strip 24 at a predetermined interval. They are provided at substantially parallel positions. Therefore, when the weather strip 24 is pressed against the vehicle body (not shown) by closing the door 20, the compressive force of the weather strip 24 is reduced.
It reaches to 26. Therefore, the lip 26 is compressed by the compressive force of the weather strip 24, so that waterproofness can be more reliably secured, and in addition, waterproofness is improved.

Next, a second embodiment will be described. In the embodiment described below, the members and the like already described in FIGS. 1 and 2 are denoted by the same reference numerals or corresponding reference numerals in the drawings to simplify or omit the description. As shown in FIGS. 3 to 5, the fixing structure 50 of the penetrating grommet 51 according to the second embodiment has two clamps 54 provided on the back surface 52 a of the main body 52 of the penetrating grommet 51. A clamp 54 is disposed along the pair of lips 26.

The main body 52 and the back surface 52a are the same as those of the first embodiment except that the position of the clamp 54 is different from that of the main body 16 and the back surface 17b. The clamp 54
Similar to the clamp 28 of the first embodiment, this is a clamp with a waterproof packing provided with a packing for waterproofing between the clamp and the through-less grommet 51, and is a member for attaching the through-less grommet 51 to the inner panel 22.

When attaching the through-less grommet 51 to the inner panel 22, the wire harness 12 is routed to the through-less grommet 51 as in the first embodiment. next,
As shown in FIG. 4, the main body 52 of the penetration-less grommet 51 is disposed so as to be located between the weather strip 24 and the inner panel 22, and the corners of the main body 52 are aligned with the corners of the inner panel 22.

Next, the penetrating less grommet 51 is attached to the inner panel 22 by engaging the clamp 54 and the fixing claw 29 with the attachment holes (not shown) of the inner panel 22. Thereby, the pair of lips 26 are pressed against the inner panel 22 as shown in FIG.

According to the second embodiment, by providing two clamps 54 between the pair of lips 26, the tightening force of the pair of clamps 54 can be efficiently used for pressing the lip 26 against the inner panel 22. it can. Therefore, the compression force of the lip 26 can be further increased, the waterproofness can be more reliably ensured, and the waterproofness is further improved.

The fixing structure of the penetration-less grommet according to the present invention is not limited to the above-described embodiments.
Appropriate modifications and improvements are possible. For example, in each of the above-described embodiments, the example in which the fixing structure of the penetration-less grommet is attached to the inner panel of the door has been described, but it is also possible to attach it to another panel.

In addition, the example in which the pair of lips 26 are arranged at a predetermined interval has been described, but the number of the lips 26 can be set arbitrarily. Further, in the second embodiment, an example in which two clamps 54 are provided between a pair of lips 26 has been described. However, as another example, only one clamp 54 may be provided.

In addition, the material, shape, dimensions, form, number, location, etc. of the main body, lip, weather strip, etc. of the fixing structure of the through-less grommet exemplified in each of the above-described embodiments can achieve the present invention. It is arbitrary and not limited.

[0027]

As described above, according to the present invention, as described in claim 1, the lip on the back surface of the main body is provided at a position corresponding to the weather strip.
As a result, the weather strip is pressed by closing the door, and the compressive force of the weather strip is transmitted to the lip. Therefore, the lip is pressed against the inner panel by the compressive force of the weather strip, whereby the waterproofness can be more reliably ensured, and the waterproofness can be further improved.

According to the present invention, since the lip is provided substantially parallel to the weather strip, the compressive force of the weather strip is reliably transmitted to the lip. Therefore, the lip is reliably pressed against the inner panel by the compressive force of the weather strip, and the waterproof property is further improved.

Further, according to the present invention, by disposing the clamp along the lip, the clamping force of the clamp is efficiently transmitted to the lip.
Therefore, press the lip securely against the inner panel,
A reduction in the compression force of the lip can be prevented, and the waterproofness can be further improved.

[Brief description of the drawings]

FIG. 1 is a perspective view of a first embodiment according to the present invention.

FIG. 2 is a diagram illustrating an assembled state of the first embodiment according to the present invention.

FIG. 3 is a perspective view of a second embodiment according to the present invention.

FIG. 4 is a diagram illustrating an assembled state of a second embodiment according to the present invention.

FIG. 5 is a sectional view taken along line AA of FIG. 3;

FIG. 6 is a perspective view showing a state where a conventional through-less grommet is attached.

FIG. 7 is a perspective view of a conventional through-gross grommet.

[Explanation of symbols]

 10,50 Fixing structure of penetrating less grommet 11,51 Penetrating less grommet 12 Wire harness 16,52 Body 17a Surface 17b, 52a Back surface 20 Door 22 Inner panel 24 Weather strip 26 Lip 54 Clamp

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) H02G 3/38 H02G 3/28 F

Claims (3)

[Claims] 1. A penetrating grommet having a flat tubular main body along an inner panel of a door and through which a wire harness can be inserted, wherein a weather strip is laminated on a surface of the main body. A fixing structure for a penetration-less grommet, comprising a lip provided, wherein the lip is provided at a position corresponding to the weather strip. 2. The fixing structure for a penetration-less grommet according to claim 1, wherein the lip is provided substantially parallel to the weather strip. 3. The fixing structure for a penetration-less grommet according to claim 1, further comprising a clamp provided on a back surface of the main body, wherein the clamp is arranged along the lip.