JP2002005131A - clip - Google Patents

Abstract

(57) [Problem] To provide a highly-sealing clip that can be manufactured in fewer steps. A clip (1) engageable with a mounting hole (52) formed through a plate-like portion (50). The clip 1 has a base 31, an engagement piece 38 and an elastic part 44. The engagement piece 38 is provided integrally with the base 31 and can be engaged by being inserted into the mounting hole 52. The elastic portion 44 is provided on the base portion 31 by integral molding, and when the engagement piece 38 is engaged with the mounting hole 52,
It is characterized in that it is shaped to contact the surrounding plate-like surface. In the clip 1, when the engaging piece 38 is engaged with the mounting hole 52, the elastic portion 44 is elastically deformed and is in close contact with the plate-shaped portion 50. Can be higher.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a clip, and more particularly to a clip suitable for attaching one member to another member in a vehicle.

[0002]

2. Description of the Related Art FIG. 4 shows an example of a clip for attaching a resin door trim or the like to a vehicle body panel. The clip 51 is mounted on a mounting base having a lower portion 53 provided on the door trim side. Then, the engaging portion 54 of the clip 51 is fitted and locked in the mounting hole on the vehicle body panel side, and the door trim is mounted on the vehicle body panel. In such a clip, in order to seal around the mounting hole of the vehicle body panel, an elastic portion 58 formed of a thin plate of rubber or the like is provided on a stabilizer 56 provided on the base 54a of the engaging portion 54. is there.

The elastic portion 58 has a diameter larger than that of the stabilizer 56, and is generally formed in a ring shape having a hole having an inner diameter substantially equal to the outer periphery near the base 54a of the engaging portion 54. The clip 51 is provided on the clip 51 in a state where the engaging portion 54 is passed through the center hole. However, it takes time to attach the elastic portion 58 to the clip 51. Even when the elastic portion 58 is attached to the clip 51, the elastic portion 5 receives vibration or the like when it is delivered to an automobile manufacturing line.
8 may fall off from the engaging portion 54 in some cases.

[0004]

Therefore, in the present invention,
An object of the present invention is to provide a clip having a high sealing property that can be manufactured in fewer steps.

[0005]

SUMMARY OF THE INVENTION Accordingly, the present invention provides a clip which can be engaged with a mounting hole formed through a plate-like portion, the clip having a base, an engagement piece, and an elastic portion. ,
The engagement piece is provided integrally with the base, and can be engaged by being inserted into the mounting hole.The elastic portion is provided on the base by integral molding, and the engagement piece is When engaged in the mounting hole,
A clip is provided which is shaped to abut on a plate-like surface around the mounting hole.

In this clip, the elastic portion is provided on the base so as to abut on the plate-shaped surface around the mounting hole when engaging with the mounting hole of the plate-shaped portion. The elastic part is
The mounting hole is sealed well because it is elastically deformed and closely attached to the plate-shaped portion around the mounting hole. Further, since the elastic portion is formed integrally with the clip, a step of manufacturing the elastic portion separately and fitting the elastic portion to the clip is not required. Therefore, the clip of the present invention can be manufactured in a smaller number of steps, and has high sealing properties when mounted. In addition, the elastic part is stably held by integral molding on the clip body,
It is hard to come off the clip.

[0007] The present invention also provides the clip, wherein the base has a support piece for supporting the elastic portion. Since the elastic portion is held by the support piece, when the clip is engaged with the mounting hole, the support piece presses the elastic portion against the plate-like surface around the mounting hole, so that better sealing can be achieved. .

Further, in any one of the above-mentioned clips, the elastic portion includes a portion formed at least partially surrounding the base portion, the engagement piece or the support piece and formed in a branched shape. Provide clips that are.
In this clip, since the elastic portion has a portion that is formed in a branched shape and at least partially surrounds the base portion, the engagement piece, or the support piece of the clip, the elastic portion engages with the surrounded portion. It can be held in some cases. Therefore, for example, even if the elastic portion is formed of a material that is easily peeled from other portions of the clip, the elastic portion does not come off the clip. In addition, it is difficult for the elastic portion to be lifted or displaced from the molded position.
Preferably, the elastic portion is more stably fixed if the elastic portion includes a portion that is closely attached to and surrounds the base portion, the engagement piece or the support piece and that is formed in a branched shape.

[0009]

Next, an embodiment of the present invention will be described in detail with reference to the drawings. FIG. 1 is a side view in which a part of a clip according to an embodiment of the present invention is cut away. The clip 1 is a clip for connecting two members, and the lower part is formed on the mounting part 20 and the upper part is formed on the mounting part 30. The assembling part 20 is attached to a member (not shown) on one side joined by the clip 1, and the attaching part 30 is attached to the member 50 (FIG. 1) on the other side joined by the clip 1. The whole except for a part of the assembling part 20 and the attaching part 30 (hereinafter, referred to as a clip body) is injection-molded with the same material. For the clip body, for example, a resin having excellent wear resistance such as polyacetal or ABS resin (acrylonitrile butadiene styrene resin) is used. In addition, the elastic portion 44 constituting a part of the attachment portion 30 is injection-molded with a flexible resin material so as to be integrated with the clip body.

The assembling section 20 has a flange 22, a neck 24 and a substrate 26. The collar 22 is disk-shaped and extends from the center to the neck 2
4 is formed to extend. The neck portion 24 is a columnar portion and extends perpendicular to the disc-shaped collar 22. A disc-shaped substrate 26 is provided on the neck 24 opposite to the flange 22. The substrate 26 is formed as a thin plate that is perpendicular to and concentric with the neck 24. A plate-shaped pedestal is provided on one side member to which the assembling unit 20 is attached,
A groove is provided through the plate-like portion of the seat.
The clip 1 is stably assembled to one of the members by passing the neck portion 24 through the groove and sandwiching the plate-like portion between the flange 22 and the substrate 26.

The mounting portion 30 has a base portion 31 and an engaging portion 32 and a holding portion 34. The base 31 is
A member that forms the center of the mounting portion 30 and has a disk portion provided above the substrate 26 of the mounting portion 20 and a column portion 36 extending concentrically with the disk.

The engaging portion 32 is formed so as to project vertically from the disk portion of the base portion 31 and to have a convex shape with a substantially circular cross section. The engagement part 32 is centered on the support part 36 of the base 31,
It has engaging pieces 38 to 38. FIG. 2 shows a cross section of the vicinity of the assembly portion 20 of the engagement portion 32. As shown in FIGS. 1 and 2, the support portion 36 has a cross-sectional shape that extends radially from the center of the engagement portion 32 and extends vertically upward. The upper part of the support portion 36 is formed in a taper having a circular cross section. From this tapered portion, a total of four engaging pieces 38 to 3 are provided, one each between the cross-shaped plate-shaped portions of the support portion 36.
8 are provided. Each of the engagement pieces 38 to 38 has a shape whose outer surface is formed on an arc-shaped peripheral surface and extends downward. The lower ends of the engagement pieces 38 to 38 are integrated with the disk portion of the base 31. Each of the engagement pieces 38 to 38 has a bulging portion 39 slightly above the disk portion of the base 31. Bulge 39
Numerals 39 are portions of the engaging portion 32 which are formed in a radially expanded shape, and form the largest diameter portion of the engaging portion 32. The engaging pieces 38 to 38 are elastically deformable in the central axis direction of the engaging portion 32, and the diameters of the bulging portions 39 to 39 are contractible.

The holding portion 34 is formed in a lower portion of the engaging portion 32, that is, in a base portion 31, in a disk shape that extends concentrically with the axis of the engaging portion 32. The holding part 34 has a support piece 42 and an elastic part 44. The support piece 42 is formed in a plate shape extending from the disk portion of the base 31 in a direction perpendicular to the direction in which the engaging portion 32 projects. The support piece 42 is simultaneously formed of the same resin material as the engagement part 32 and the assembly part 20,
It has a predetermined rigidity.

The elastic portion 44 is formed in a disk shape having a larger diameter than the support piece 42. The elastic portion 44 is made of a flexible material and is elastically deformable. Elastic part 4
4 is integrally formed on the upper portion of the support piece 42, that is, on the side that comes into contact with the other member 50 when the engaging portion 32 is engaged with the mounting hole 52 of the other member 50 shown in FIG. Is molded. The elastic portion 44 has a central portion formed in a flat plate shape. In addition, the support piece 42 is formed so that the outer side of the support piece 42 is inclined obliquely upward, that is, inclined from the direction perpendicular to the direction in which the engaging portion 32 protrudes in the direction in which the engaging portion 32 protrudes. Further, a raised portion 45 is formed slightly inside the diameter of the support piece 42 of the elastic portion 44. The ridge 45
It is formed in a shape larger than the outer periphery of the engaging portion 32 and surrounding the engaging portion 32.

As shown in FIG. 2, the elastic portion 44 is provided at a lower portion of the engaging portion 32 with the support portion 36 and each of the engaging pieces 38 to 38.
Along the line, a portion formed in a branched shape so as to fill the entire gap. That is, it is formed in a shape that is in close contact with the support 36 and the respective peripheral surfaces of the engagement pieces 38 to 38.

Here, the elastic portion 44 is integrally formed with a molded body constituting the assembly portion 20 including the base 31, the engaging portion 32 and the support piece 42, that is, the clip body of the clip 1. The method of integral molding is not particularly limited, and various known molding methods can be selected. Typically, integral molding is performed by two-color molding. That is, first, a set of dies is mounted on a mold clamping device, and the clip body of the clip 1 is injection-molded by one injection device. After that, place the clip body in another mold and attach it to the same mold clamping device,
Injection of a different resin material with another injection device to form the elastic portion 44 can be performed integrally. By forming in this manner, the elastic portion 44 can be formed into a shape including a branch portion that is in close contact with the support portion 36 of the engaging portion 32 and the outer peripheral surface of each engaging piece 38 as shown in FIG. it can.

The member 50 on the other side to which the mounting portion 30 is mounted has a plate-like portion as shown by a virtual line in FIG. 1, and has a mounting hole 52 penetrating the plate-like portion.
The mounting hole 52 is provided at a lower portion of the engaging portion 32, that is, at the base 3.
It has an inner diameter substantially equal to the diameter of the portion close to the one disk portion.

The clip 1 is attached to the member 50 on the other side by inserting the engaging portion 32 into the mounting hole 52 of the member 50 on the other side and engaging the engaging pieces 38 to 38. When the engaging portion 32 is inserted into the mounting hole 52, the bulging portions 39 to 39 of the engaging pieces 38 to 38 are pressed by the opening edges of the mounting hole 52 and elastically deform in the central axis direction of the engaging portion 32. . For this reason, the engaging portion 32 can pass through the mounting hole 52 satisfactorily. The engagement pieces 38 to 38 that have passed through the plate-like portion return to the original shape, and the bulging portions 39 to 3
9 engages with the edge of the mounting hole 52 of the member 50 on the other side.

The holding portion 34 is formed such that the engaging portion 32
2 and is in contact with the plate-like surface of the member 50 on the other side on the assembly portion 20 side when engaged. The elastic part 44 is
It is pressed against the member 50 on the other side, and is in close contact with the plate-like surface around the mounting hole 52 of the member 50 on the other side while being elastically deformed. The elastic portion 44 stably holds the clip 1 so that it does not wobble, and enhances the sealing performance.
In addition, waterproofness can be imparted. The holding unit 34
Since the support portion 42 is provided, the elastic portion 44 is more strongly pressed against the member 50 on the other side. Therefore, the sealing performance around the mounting hole 52 is improved. In addition, the elastic portion 44 is provided with the raised portion 4 on the side that contacts the member 50 on the other side.
5 is provided. The raised portion 45 is attached to the mounting hole 52 when the engaging portion 32 is inserted into and engaged with the mounting hole 52.
Since it is strongly pressed around, the adhesion between the member 50 on the other side and the elastic portion 44 is improved. Also, the elastic portion 44
The close contact force is also improved by inclining the outer peripheral portion in the protruding direction of the engaging portion 32.

Further, as shown in FIG. 2, the elastic portion 44 has a portion formed in a branched shape in close contact with the support portion 36 of the engaging portion 32 and the peripheral surfaces of the engaging pieces 38 to 38. For this reason, the elastic part 44 is fixed to the clip body of the clip 1 and is more stable. Further, the sealing property is improved. For this reason, even when using a combination of materials from which the clip body (base portion 31) and the elastic portion 44 are easily separated, the elastic portion 44 does not come off the clip 1 and is less likely to rattle. .

FIG. 3 shows another embodiment in which the elastic portion partially surrounds the support piece of the clip and has a portion formed in a branched shape. Clip 61 of FIG.
Is the same as the clip 1 of FIG. 1 except that the holding portion 34 is provided with a support piece 62 and an elastic portion 64, and thus is denoted by the same reference numeral. The support piece 62 has a disk shape extending from the disk portion of the base 31. As the support piece 62 moves toward the outer peripheral direction, the engaging portion 3
2 are formed so as to be inclined in the protruding direction. on the other hand,
The elastic portion 64 is formed in substantially the same shape as the elastic portion 44 of the clip 1 shown in FIG. That is, the elastic portion 64 has a plate shape, is formed in a substantially planar shape up to the outer peripheral portion of the support piece 62, and a portion having a larger diameter than the support piece 62 is formed so that the projecting direction of the engaging portion 32 is inclined. Also, like the elastic part 44,
It is formed in a shape larger than the outer periphery of the engaging portion 32 and surrounding the engaging portion 32.

The elastic portion 64 is mounted on the support piece 62 which is provided inclining in the direction in which the engaging portion 32 protrudes.
2 is formed so as to surround the outer edge portion. At this time, the elastic portion 64 is moved from the outer peripheral end of the support piece 62 to the support piece 6.
2 has a portion that branches off into a portion 64b that is in close contact with the upper surface side and a portion 64a that is in close contact with the lower surface side of the support piece 62. In the clip 61, the elastic portion 64 is satisfactorily adhered to and fixed to the support piece 62, that is, the base 31, by the branched portion. In particular, since a portion branched in the same direction as the projecting direction of the engaging portion 32 is formed, it is possible to prevent the elastic portion 64 from rattling in the projecting direction of the engaging portion 32. Further, the elastic portion 64 is provided with the engaging portion 3 of the support piece 62.
Since the portion 2 inclined in the protruding direction is more strongly pressed against the upper surface of the plate around the mounting hole, the sealing property is improved. Also, like the raised portion 45 of the elastic portion 44,
The raised portion 65 is strongly pressed against the upper surface of the plate around the mounting hole, and the sealing property is improved.

The present invention is not limited to the above embodiment. The clip can take any shape.
Further, it is not necessary to provide an assembly portion at the lower portion, and the assembly portion may be formed integrally with one member. The engagement part is
It is not limited to the above embodiment. The support portion is not limited to a cross-shaped cross section, and its cross-sectional shape is rectangular (for example, I-shaped),
Various shapes such as a bent shape (for example, an L shape), a circular shape, and an arc shape of a rectangle can be taken. Further, the support portion may be formed as one as in the above embodiment, or may be divided into a plurality. For example, a columnar body having an L-shaped cross section can be provided facing each other such that each bent portion faces the center of the engaging portion. Further, the engaging pieces can be provided in various shapes, numbers, and arrangements according to the shapes of the engaging portions and the support portions.

The shape of the elastic portion is not limited to the above embodiment. When the elastic portion at least partially surrounds the predetermined projecting portion, the elastic portion may not have a portion in close contact with the projecting portion. For example, even if the elastic portion 44 shown in FIG. Rattling or rotation of the clip body with respect to the clip body can be suppressed. Further, the state in which the elastic portion 44 partially surrounds the predetermined protruding portion is, for example, in FIG. , The elastic portion 44 is disposed. In this case as well,
It is possible to suppress rattling and rotation of the elastic portion with respect to the clip body. Further, the elastic portion does not have to have the raised portion. Also in this case, the elasticity is pressed against the plate-like surface around the mounting hole, so that the sealing property is ensured.

The material of the elastic portion and the material of other portions of the clip are not particularly limited. The elastic portion may be elastically deformable. For example, if other parts of the clip are made of polypropylene, etc., if the same material is used for the elastic part, the elastic part and other parts should be processed together without separation when recycled. Is preferred.

[0026]

According to the present invention, it is possible to provide a clip having a high sealing property and manufactured in a smaller number of steps.

[Brief description of the drawings]

FIG. 1 is a partial cross-sectional view of a clip according to an embodiment of the present invention when viewed from the front.

FIG. 2 is a cross-sectional view of a lower portion of an engaging portion of the clip of FIG. 1;

FIG. 3 is a partial cross-sectional view of a clip according to another embodiment of the present invention when viewed from the front.

FIG. 4 is a partial cross-sectional view showing an example of a conventional clip.

[Explanation of symbols]

 1, 51, 61 Clip 20, 53 Assembly part 22 Flange 24 Neck part 26 Board 30 Mounting part 31 Base part 32, 54 Engagement part 54a Base part 34 Holding part 36 Post part 38 Engagement piece 39 Swelling part 42, 62 Support piece 44, 58, 64 Elastic portion 45, 65 Raised portion 50 Member on the other side 52 Mounting hole 56 Stabilizer

Continuation of the front page F term (reference) 3J001 FA02 GB01 JC03 JC13 KA23 KB05 3J022 DA20 EA02 EB02 EC02 ED03 FA05 FB13

Claims (3)

[Claims] 1. A clip engageable with a mounting hole formed through a plate-like portion, the clip having a base, an engagement piece, and an elastic portion, wherein the engagement piece is provided on the base. The elastic portion is provided integrally with the mounting hole, and is engageable by being inserted into the mounting hole. The elastic portion is provided on the base portion by integral molding, and the engaging piece is engaged with the mounting hole. A clip having a shape that abuts a plate-shaped surface around the mounting hole. 2. The clip according to claim 1, wherein the base has a support piece for supporting the elastic portion. 3. The elastic portion includes a portion that at least partially surrounds the base, the engagement piece, or the support piece and is formed in a branched shape.
Or the clip according to 2.