JP4854304B2 - Grommet - Google Patents

Description

  The present invention relates to a grommet that fits into a long hole or an elliptical panel hole with a wire harness inserted.

  A panel hole for inserting a wire harness is formed in the vehicle panel. A grommet having elasticity for sealing, sound insulation, and electrical insulation with the wire harness is attached to the panel hole.

There have been many proposals related to grommets. For example, a triangle mark is provided in the vicinity of a circular panel hole, and the same example is also provided for positioning the grommet when rotating the grommet while rotating it. (See, for example, Patent Document 1).
JP 2003-164042 A (page 4, FIG. 1)

  When the panel hole is a long hole or an ellipse, the large-diameter portion of the grommet that is fitted to the panel hole is formed to have a fitting portion that matches the shape of the panel hole. This is particularly in consideration of waterproofness. In the grommet mounting operation having the fitting portion as described above, the horizontal axis and the vertical axis, the long axis of the panel hole and the large diameter portion (fitting portion), and In the case of an attachment angle that does not coincide with the minor axis, the following problems arise. That is, if the operation is performed in a state where the panel hole is not visible, there is a problem in that the position where the grommet is normally attached is not known, and as a result, the workability is affected.

  In addition, there is a problem that it is difficult to control the lead-out direction of the wire harness based on this mark as well as the triangle mark of the conventional example.

  This invention is made | formed in view of the situation mentioned above, and makes it a subject to provide the grommet which understands the position which becomes a regular attachment angle at the time of attachment easily. It is another object of the present invention to provide a grommet that easily regulates the direction in which the wire harness is led out.

The grommet of the present invention according to claim 1 made to solve the above-mentioned problem is a grommet having a small-diameter portion through which a wire harness is inserted, and a large-diameter portion that is continuous with the small-diameter portion and fits into the panel hole. The large-diameter portion is provided with a plurality of one-side lines that substantially coincide with the horizontal axis or the vertical axis at the time of attachment on the one-sided center with respect to the small-diameter portion, depending on the mounting direction of the large-diameter portion. Yes.

According to the present invention having such a feature, it is possible to attach the grommet to a regular position based on the position of the one-side line even in an operation in which the panel hole is not visible. Further, even if the grommet itself is rotated by 180 ° with respect to the normal direction before attachment, it is possible to immediately recognize that the direction is different depending on the position of the one-side line. According to the present invention, the presence of the one-side line is effective when it is desired to regulate the lead-out direction of the wire harness.
Furthermore, according to the present invention, it is possible to selectively use, for example, leftward mounting and rightward mounting. There is no need to install a new grommet according to the mounting direction.

According to the first aspect of the present invention, there is an effect that the position where the regular mounting angle is obtained at the time of mounting can be easily understood. In addition, there is an effect that a difference in mounting direction can be recognized immediately. Furthermore, there exists an effect that a versatile grommet can be provided. Therefore, there is an effect that workability can be improved. According to the present invention, there is also an effect that it is easy to regulate the lead-out direction of the wire harness.

  Hereinafter, description will be given with reference to the drawings. FIG. 1 is a perspective view showing an embodiment of a grommet according to the present invention.

  In FIG. 1, reference numeral 1 is, for example, a vehicle panel, reference numeral 2 is a panel hole penetrating the front and back of the vehicle panel 1, and reference numeral 3 is fitted in the panel hole 2 with the wire harness 4 inserted. Each grommet is shown.

  The panel hole 2 is formed in a long hole shape (or an elliptical shape). The panel hole 2 is formed such that the major axis L1 and the minor axis L2 do not coincide with the horizontal axis L3 and the vertical axis L4, in other words, tilt at a predetermined angle.

  The grommet 3 has elasticity made of rubber or elastomer, and has a large diameter portion 5 having the largest diameter, a small diameter portion 6 continuous with the large diameter portion 5, and a continuous with the small diameter portion 6. (The formation of the bellows portion 7 is optional. The bellows portion 7 may be a part of the small diameter portion 6). The large-diameter portion 5 is formed with a fitting portion 8 that fits into the panel hole 2. The fitting portion 8 is formed in a long hole shape (or an elliptical shape) according to the shape of the panel hole 2. The large diameter portion 5 and the fitting portion 8 are formed such that the major axis L5 and the minor axis L6 do not coincide with the horizontal axis L3 and the vertical axis L4, in other words, tilt at a predetermined angle.

  The large diameter part 5 is provided with a one-side line 9. The one-side line 9 is provided so as to substantially coincide with the vertical axis L4 when the grommet 3 is attached to the panel hole 2. Moreover, the one side line 9 is provided in the position of the one side centering on the small diameter part 6 on the vertical axis L4. In this embodiment, it is provided above the small-diameter portion 6 (the one-side line 9 does not exist below the small-diameter portion 6. If the one-side line 9 is provided below the small-diameter portion 6, Is assumed that the one-side line 9 does not exist above the small-diameter portion 6). The one-side line 9 is provided on the side having higher discriminability (in this embodiment, the upper side of the small-diameter portion 6 is higher in discriminability, and may be limited to the upper side).

  The one-side line 9 is formed by any one of printing, engraving, or a protrusion or recess formed integrally with the large-diameter portion 5 (printing that can be changed according to the mounting angle is preferable).

  The one-side line 9 is provided as a linear portion having a thickness and a length that can be fully recognized by the operator when the grommet 3 is attached to the panel hole 2. In this embodiment, the one-side line 9 is provided straight from the outer peripheral edge portion of the large diameter portion 5 to the continuous portion of the small diameter portion 6. The one-side line 9 is provided as a useful part so that the operator can easily know the position at which the regular attachment angle is obtained.

  The small diameter portion 6 is formed according to the diameter of the wire harness 4. The small diameter portion 6 is formed so that the wire harness 4 is in close contact with the inner surface. FIG. 1 shows a state where the wire harness 4 is inserted through the small diameter portion 6 and the bellows portion 7.

  Considering the case where the mounting operation is performed in a state where the panel hole 2 is not visible in the above configuration, the grommet 3 can be easily attached to the panel hole 2 by performing the mounting operation so that the one-side line 9 substantially matches the vertical axis L4. Can be attached to.

  In the case of the grommet 3 of the present invention, even if the panel hole 2 is not visible, and the conventional mark is not provided in the panel hole 2, it can be easily attached at a position where the regular attachment angle is obtained. In the case of the grommet 3 according to the present invention, it can be easily confirmed whether or not the grommet 3 is attached at a position where a normal attachment angle is obtained after attachment. It can also be easily recognized whether the orientation is rotated by 180 ° before attachment. The grommet 3 of the present invention can contribute to improvement of workability.

  Next, another embodiment of the grommet of the present invention will be described with reference to FIG. FIG. 2 is a perspective view showing another embodiment.

  In FIG. 2, the grommet 3 is different only in the position of the one-side line 9 as compared with the above-described embodiment. That is, the one side line 9 is provided so as to substantially coincide with the horizontal axis L3. Moreover, the one side line 9 is provided in the position of the one side (left side) centering on the small diameter part 6 on the horizontal axis L3. Accordingly, considering the case where the attachment work is performed in a state where the panel hole 2 is not visible, the grommet 3 can be easily attached to the panel hole 2 if the attachment work is performed so that the one-side line 9 substantially coincides with the horizontal axis L3. can do.

  Subsequently, still another embodiment of the grommet of the present invention will be described with reference to FIG. FIGS. 3A and 3B are views showing another embodiment, wherein FIG. 3A is a plan view of the main part of the grommet, FIG. 3B is a schematic view showing an example of installation of the grommet, and FIG. FIG. 4D is an explanatory diagram when mounting rightward. In addition, the same code | symbol shall be attached | subjected to the structure fundamentally the same as the above-mentioned form, and description shall be abbreviate | omitted.

  In FIG. 3, the large-diameter portion 5 of the grommet 3 is provided with one-side lines 9 and 9 ′. These one-side lines 9, 9 'are provided so as to substantially coincide with the vertical axis L4 when the grommet 3 is attached. The one-side lines 9 and 9 'are provided on the vertical axis L4 so that the one-side lines 9 and 9' are positioned on the one-side with the small-diameter portion 6 as the center. The grommet 3 is provided between the body B and the back door D in an automobile, for example. Two grommets 3 are provided between the body B and the back door D (the arrangement and the number are only examples. Of course, the grommet 3 may be provided between the door and the body, on the dash panel, or the like. ).

  The left grommet 3 is attached between the body B and the back door D so that the one-side line 9 substantially coincides with the vertical axis L4 (see FIG. 3C). The right grommet 3 is attached so that the one-side line 9 ′ substantially coincides with the vertical axis L4 (see FIG. 3D).

  As described above with reference to FIGS. 1 to 3, according to the present invention, the one-side line 9 is provided at one position centered on the small-diameter portion 6, so that a normal mounting angle is obtained at the time of mounting. There is an effect that the position can be easily understood. Therefore, there is an effect that workability can be improved. In addition, by providing two (two types) or more of one-side lines 9 and 9 ′ at one side centered on the small-diameter portion 6 and depending on the orientation, for example, left-side mounting and right-side mounting can be used properly. There is an effect that can be. Accordingly, there is an effect that the versatile grommet 3 can be provided.

  In addition, it goes without saying that the present invention can be variously modified without departing from the spirit of the present invention.

  That is, in the above-described embodiment, the description has been given in which the panel hole is formed in a long hole shape (or elliptical shape), and the large diameter portion and the fitting portion are also formed in a long hole shape (or elliptical shape). For example, it may be a perfect circle (including a substantially circular shape).

  The presence of the one-side line of the present invention is also effective when it is desired to regulate the direction in which the wire harness is derived, in other words, when it is desired to derive the wire harness in a desired direction.

It is a perspective view which shows one Embodiment of the grommet of this invention. It is a perspective view which shows other one Embodiment of the grommet of this invention. It is a figure which shows other one embodiment of the grommet of this invention, (a) is a top view of the principal part of a grommet, (b) is a schematic diagram which shows the example of installation of a grommet, (c) is at the time of left-facing attachment (D) is explanatory drawing at the time of rightward attachment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Vehicle panel 2 Panel hole 3 Grommet 4 Wire harness 5 Large diameter part 6 Small diameter part 7 Bellows part 8 Insertion part 9, 9 'One side line L1 Long diameter axis L2 Short diameter axis L3 Horizontal axis L4 Vertical axis L5 Long diameter axis L6 Short diameter axis

Claims (1)

In the grommet having a small diameter portion that passes through the wire harness, and a large diameter portion that is continuous with the small diameter portion and fits into the panel hole,
One side line centered on the small-diameter portion and one side line that substantially coincides with a horizontal axis or a vertical axis at the time of attachment is provided in the large-diameter portion at a plurality of positions according to the attachment direction of the large-diameter portion. Grommet.

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