JP3736736B2 - Grommet - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a grommet, for example, in order to route a wire harness and a release wire from an engine room of an automobile into a driver's room, the wire harness and the release wire are individually passed through and held on a mounting plate that partitions the engine room and the driver's room. Related to grommets.
[0002]
[Prior art]
A grommet 70 shown in FIG. 6 is configured to individually hold the wire harness 62 and the release wire 63 through the mounting hole 61 formed in the mounting plate 60. The grommet 70 is connected to a substantially bottomed cylindrical main body 71, a groove 73 provided on the outer peripheral surface 72 of the main body 71 and fitable to the opening edge of the mounting hole 61, and a bottom 74 of the main body 71. It has a cylindrical portion 76 through which the wire harness 62 can be inserted, and an insertion hole 75 formed in the bottom portion 74 of the main body 71 and through which the release wire 63 can be inserted. The release wire 63 is disposed along the outer surface 77 of the cylindrical portion 75.
[0003]
[Problems to be solved by the invention]
However, in the conventional grommet 70, since the release wire 63 is disposed along the outer side surface 77 of the cylindrical portion 76, the release wire 63 contacts the edge 78 of the cylindrical portion 76 as shown in FIG. For this reason, for example, when the grommet 70 is used in an automobile, there is a concern that the release wire 63 vibrates when the automobile travels, and the edge 78 of the cylindrical portion 76 is rubbed and damaged by the release wire 63.
Furthermore, since the release wire 63 is close to the outer surface 77 of the cylindrical portion 76, there is a concern that the release wire 63 vibrates and the outer surface 77 of the cylindrical portion 76 is rubbed and damaged by the release wire 63.
[0004]
The present invention has been made in view of the above-described problems, and an object of the present invention is to provide a grommet capable of preventing a cylindrical portion from being damaged by rubbing against a release wire.
[0005]
[Means for Solving the Problems]
In order to achieve the above-described object, according to the present invention, the first elongate member and the second elongate member are individually penetrated and held in the attachment holes formed in the attachment plate. A substantially bottomed cylindrical main body, a groove portion provided on the outer peripheral surface of the main body and engageable with an opening edge of the mounting hole, and connected to the bottom portion of the main body to pass through the first long member. A cylindrical portion capable of being inserted into the bottom portion of the main body and through which the second long member can be inserted. The second long member can be disposed along the outer surface of the cylindrical portion. A holding means for relatively holding the outer peripheral surface of the second elongate member and the cylindrical portion so that the outer surfaces of the second elongate member and the cylindrical portion are not in sliding contact with each other . It is characterized by being provided on the outer surface of the cylindrical portion and substantially coaxial with the insertion hole .
[0006]
Here, a wire harness corresponds to the first long member, and a release wire corresponds to the second long member. However, the first long member and the second long member can be applied to other long members. is there.
[0007]
In the grommet configured as described above , the holding means is provided on the outer surface of the cylindrical portion and substantially coaxially with the insertion hole in order to separate and hold the second long member and the outer peripheral surface of the cylindrical portion . . Therefore, it can prevent that a 2nd elongate member slidably contacts the outer surface of a cylinder part with a holding means. Therefore, even if the second long member vibrates, the second long member can be prevented from rubbing against the outer peripheral surface of the cylindrical portion.
[0008]
In this invention, as described in Claim 2, the said holding means has the projection part provided in the predetermined location in the outer surface of the said cylinder part, It is characterized by the above-mentioned.
Protruding portions are provided as holding means on the outer peripheral portion of the tube portion, and the second long member is held away from the outer periphery of the tube portion by contacting the second elongate member to the protruding portion. Therefore, the holding means can be made into a simple shape.
[0009]
In this invention, as described in Claim 3, the said protrusion part can clamp the said 2nd elongate member to radial direction, It was characterized by the above-mentioned.
By sandwiching the second long member in the radial direction, the second long member can be reliably held at a position separated from the outer periphery of the cylindrical portion.
[0010]
In this invention, as described in Claim 4, the said protrusion part can grip the said 2nd elongate member, It was characterized by the above-mentioned.
By gripping the second elongate member, the second elongate member is not likely to come out of the protruding portion, and the second elongate member can be more reliably held at a position separated from the outer periphery of the cylindrical portion.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments according to the present invention will be described in detail with reference to the drawings.
As shown in FIG. 1, the grommet 10 of the first embodiment includes a first elongated member (wire harness) 17 and a mounting hole 15 formed in a mounting plate 14 that partitions an engine room 11 and an interior 12 of an automobile, for example. This is a member for individually penetrating and holding the second long member (release wire) 18.
[0012]
The grommet 10 has a substantially bottomed cylindrical main body 20, a groove 22 that is provided on the outer peripheral surface 21 of the main body 20 and can be fitted to the opening edge 15A of the mounting hole 15, and a cylindrical shape on the bottom 23 of the main body 20. A cylindrical portion 26 through which the wire harness 17 can be inserted, and an insertion hole 29 formed in the bottom 23 of the main body 20 through which the release wire 18 can be inserted. This is a member that can be disposed along the outer surface 27 of the cylindrical portion 26.
[0013]
Further, the grommet 10 has a holding means 30 that holds the release wire 18 and the outer surface 27 of the cylindrical portion 26 relatively apart so that the outer surface 27 and the edge portion 28 of the release wire 18 and the cylindrical portion 26 do not slide on each other. Is provided.
[0014]
As shown in FIG. 2, the holding means 30 has a protruding portion 32 provided at a predetermined position on the outer surface 27 of the cylindrical portion 26, and is configured to grip the release wire 18 by the protruding portion 32.
That is, the holding means 30 is a member integrally formed with the cylindrical portion 26 of the grommet 10, and a protruding portion 32 is formed on the outer surface 27 of the cylindrical portion 26 and at a position substantially coaxial with the insertion hole 29. A grip hole 34 for gripping the release wire 18 is formed in the portion 32, and a slit 36 for inserting the release wire 18 into the grip hole 34 is formed in the side portion 32A of the projection 32.
[0015]
The grip hole 34 is formed at a position separated from the outer surface 27 of the cylindrical portion 26 by a distance L. Therefore, by storing the release wire 18 in the grip hole 34 from the slit 36, the release wire 18 can be held in a state separated from the outer peripheral surface 27 of the cylindrical portion 26 by a distance L. Therefore, it is possible to prevent the release wire 18 from slidingly contacting the outer surface 27 and the edge portion 28 of the cylindrical portion 26.
Therefore, even when the release wire 18 vibrates, the release wire 18 can be prevented from coming into contact with the outer peripheral surface 27 and the edge portion 28, and the outer peripheral surface 27 and the edge portion 28 can be prevented from being damaged.
[0016]
FIG. 3 shows a modification in which the slit 36 of the holding means 30 is formed on the top 32B of the protrusion 32. FIG. The position of the slit 36 is not limited to the side portion 32A or the top portion 32B of the protrusion 32, and can be arbitrarily set.
[0017]
Next, second and third embodiments will be described. In addition, about the same member as 1st Embodiment, description is simplified or abbreviate | omitted by attaching | subjecting the same code | symbol in a figure.
As shown in FIG. 4, the holding means 40 of the second embodiment has a protruding portion 42 provided at a predetermined position on the outer surface 27 of the cylindrical portion 26, and holds the release wire 18 in the radial direction by the protruding portion 42. It is configured as follows.
That is, the holding means 40 is a member integrally formed with the cylindrical body 26 of the grommet 10, and a protruding portion 42 is formed on the outer surface 27 of the cylindrical portion 26 and at a portion substantially coaxial with the insertion hole 29. A groove 44 for holding the release wire 18 in the radial direction is formed in the portion 42.
[0018]
The bottom of the groove 44 is formed at a position separated from the outer surface 27 of the cylindrical portion 26 by a distance L. Therefore, by storing the release wire 18 in the groove 44, the release wire 18 can be held in a state separated from the outer peripheral surface 27 of the cylindrical portion 26 by a distance L. Therefore, it is possible to prevent the release wire 18 from slidingly contacting the outer surface 27 and the edge portion 28 of the cylindrical portion 26.
Therefore, even when the release wire 18 vibrates, the release wire 18 can be prevented from coming into contact with the outer peripheral surface 27 and the edge portion 28, and the outer peripheral surface 27 and the edge portion 28 can be prevented from being damaged.
[0019]
As shown in FIG. 5, the grommet 50 of the third embodiment includes a holding means 51, and the holding means 51 has a protrusion 52 provided at a predetermined location on the outer side surface 27 of the cylindrical portion 26. In other words, the holding means 51 is a member formed integrally with the grommet 10, and the protruding portion 52 is formed on the outer surface 27 of the cylindrical portion 26 and at a portion facing the insertion hole 28.
The protrusion 52 is configured to be provided along the outer surface 27 of the cylindrical portion 26 over a half circumference of the cylindrical portion 26 in consideration of the deflection when the release wire 18 is routed.
[0020]
The protrusion 52 is formed so that the edge 53 is separated from the outer peripheral surface 27 of the cylindrical portion 26 by a distance L. Therefore, by placing the release wire 18 on the edge 53 of the protrusion 52, the release wire 18 can be held in a state separated from the outer peripheral surface 27 of the cylindrical portion 26 by a distance L. Therefore, it is possible to prevent the release wire 18 from slidingly contacting the outer surface 27 of the cylindrical portion 26.
For this reason, even if the release wire 18 vibrates, the release wire 18 can be prevented from coming into contact with the outer peripheral surface 27 of the cylindrical portion 26, and the outer peripheral surface 27 of the cylindrical portion 26 can be prevented from being damaged.
[0021]
Note that the grommet 10 of the present invention is not limited to the above-described embodiment, and appropriate modifications and improvements can be made.
Moreover, although the wire harness 17 was demonstrated to the example as a 1st elongate member and the release wire 18 was demonstrated to the example as a 2nd elongate member, a 1st, 2nd elongate member is not restricted to this. Furthermore, although the example in which the grommet 10 is attached to the attachment plate that partitions the engine room 11 and the room 12 has been described, the same effect can be obtained by attaching it to other attachment plates.
[0022]
In addition, the material, shape, dimensions, form, number, arrangement location, etc. of the holding means and the like exemplified in the above-described embodiment are arbitrary and are not limited as long as the present invention can be achieved.
[0023]
【The invention's effect】
As described above, according to the present invention, as described in claim 1, the holding means is provided on the outer surface of the cylindrical portion so as to separate and hold the second long member and the outer peripheral surface of the cylindrical portion. And provided substantially coaxially with the insertion hole . Therefore, it can prevent that a 2nd elongate member slidably contacts the outer surface of a cylinder part with a holding means. Therefore, when the second long member vibrates, the second long member does not rub the outer peripheral surface of the cylindrical portion, and the outer peripheral surface of the cylindrical portion can be prevented from being damaged by the second long member.
[0024]
In the present invention, as described in claim 2, a protrusion is provided as a holding means on the outer peripheral portion of the cylindrical portion. A 2nd elongate member contact | abuts to a projection part, and a 2nd elongate thing is separated and hold | maintained from the outer periphery of a cylinder part. Since the holding means can be made into a simple shape, the cost can be suppressed.
[0025]
In the present invention, as described in claim 3, by holding the second long member in the radial direction, the second long member can be reliably held at a position separated from the outer periphery of the cylindrical portion.
[0026]
In the present invention, as described in claim 4, by gripping the second elongate member, the second elongate member is not likely to come out of the protruding portion, and is separated from the outer periphery of the cylindrical portion. A 2nd elongate member can be hold | maintained more reliably.
[Brief description of the drawings]
FIG. 1 is a side view of a first embodiment according to the present invention.
FIG. 2 is a perspective view showing holding means of the first embodiment according to the present invention.
FIG. 3 is a perspective view showing a modification of the first embodiment according to the present invention.
FIG. 4 is a perspective view showing holding means of a second embodiment according to the present invention.
FIG. 5 is a perspective view of a third embodiment according to the present invention.
FIG. 6 is a side view of a conventional grommet.
7 is an enlarged view of a part A in FIG. 6;
[Explanation of symbols]
10 Grommet
14 Mounting plate
15 Mounting hole
15A opening edge
17 1st long member (wire harness)
18 2nd long member (release wire)
20 body
21 Outer peripheral surface of main body
22 Groove
23 Bottom
26 Tube
27 Outside surface of the tube
29 Insertion hole
30, 40, 51 Holding means
32, 42, 52 Protrusion

Claims (4)

In order to individually penetrate and hold the first elongate member and the second elongate member in the attachment hole formed in the attachment plate, the attachment hole is provided on the substantially bottomed cylindrical main body and the outer peripheral surface of the main body. A groove portion that can be fitted to an opening edge of the main body, a cylindrical portion that is connected to the bottom portion of the main body and allows the first long member to be inserted therein, and is formed at the bottom portion of the main body to pass through the second long member. A second grommet that can be disposed along the outer surface of the cylindrical portion,
Wherein as the outer surface of the second elongated member and the cylindrical portion is not sliding contact with each other, the holding means for relatively space holding the outer peripheral surface of the second elongate member and the tubular portion, out of the tubular portion A grommet provided on a side surface and substantially coaxial with the insertion hole .   The grommet according to claim 1, wherein the holding means has a protrusion provided at a predetermined location on the outer side surface of the cylindrical portion.   The grommet according to claim 2, wherein the protrusion is capable of holding the second elongated member in a radial direction.   The grommet according to claim 2, wherein the protrusion is capable of gripping the second elongate member.

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