JP3119042B2 - Terminal structure of weld seal for automobile - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a terminal structure of an automobile welt seal for closing a gap between a vehicle body and a door.

[0002]

2. Description of the Related Art Welt seals 100 for automobiles of this kind.
As shown in FIG. 5, is mounted along the periphery of door openings 201 and 202 for mounting the door of the automobile 200.

[0003] That is, the automobile welt seal 100
Consists of a welt portion 101 and a seal portion 102 having a loop-shaped cross-section attached along the length direction of the welt portion 101.
It is fitted and attached to the mating portion of the outer member and the inner member constituting 202. For example, as shown in FIG. 6 to FIG.
03, the welt portion 101 is fitted to the joining portion 206 of the outer pillar 204 and the inner pillar 205, and to the side sill 210 where the lower end of the center pillar 203 is continuous, to the joining portion 213 of the outer sill 211 and the inner sill 212. Installed.

On the other hand, as shown in FIG. 7, a seal portion 102 is formed of an elastic long body having a garnish concealing portion 102a (marked by x in the figure) and formed in a loop-shaped cross section. In the fitted state, the garnish hiding part 102a abuts on the edge 220b of the garnish 220 attached to the center pillar 203 on the vehicle interior side, and conceals this edge 220b so as not to be exposed to the outside. , When the door 230 is in the closed state,
Of the door opening 201 and the door 23
Zero gaps are closed. At this time, the lower end 220a of the garnish 220 has the center pillar 203
Is attached so as to cover a part of the side sill 210 which is continuous with the lower end side of the sill (see FIG. 8).

[0005] As shown in FIG. 8, a sealing plate 102 at a terminal portion attached to the side sill 210 of the weld seal 100 covers the side sill 210 and the lower end side 220 a of the garnish 220, and a kick plate attached thereto. It is pushed in the state of being crushed in 240.

[0006]

However, in the conventional weld seal 100, since the seal portion 102 is formed in a loop shape with the garnish concealing portion 102a, the seal portion 102 at the end portion is attached to the kick plate 240. The work of pushing in the inside is troublesome, which has led to a decrease in productivity.

That is, since the weld seal 100 has the garnish concealing portion 102a in the seal portion 102 thereof, when the kick plate 240 is simply mounted so as to cover the kick plate 240 from above, the garnish as shown in FIG. A part of the formation portion of the concealing portion 102a is bent over the lower end portion 220a of the garnish 220 and is located between the kick plate 240 and the lower end portion 220a of the garnish 220.
In the case of 0, the outer side floats and cannot be mounted. For this reason, when attaching the kicking plate 240, the sealing portion 102 must be pushed into the kicking plate 240 by preventing the garnish hiding portion 102a from being bent, and the operation is troublesome, and thus the productivity is increased. Had been reduced.

Therefore, in order to easily insert the seal portion 102 at the end portion of the weld seal 100 into the kicking plate 240, a loop portion is compression-molded to form a crimp portion 102b as shown in FIG. Alternatively, as shown in FIG. 11, a cut is made along the length direction in the garnish concealing portion 102a of the seal portion 102 that enters the kicking plate 240, and the entire concealing portion pieces 102c and 102d divided by this cut are overlapped. It has been attempted to form a bonded portion 102e that has been bonded by bonding.

However, when the weld seal 100 is attached to the door opening 201, the weld seal 100
Due to variations in the length of itself, the length of the peripheral portion of the door opening 201, and the fitting depth of the welt portion 101 at the time of attachment, the terminal portion of the welt seal 100 pushed into the kicking plate 240 There is a possibility that the length may vary, and the crimping portion 102b or the bonding portion 102e may protrude outside the kicking plate 240. When the crimping portion 102b or the adhesive portion 102e protrudes in this way, the garnish 220 edge portion 220b at the protruding portion is not concealed by the garnish concealing portion 102a as shown in FIG. There is a problem that it is exposed and can be seen from the outside when the door is opened.

In addition, in the case where the crimping portion 102b is formed, a mold for crimping is required, which increases the cost, and causes new problems due to burrs generated in the crimping portion 102b and a difference in color from the general portion. A point occurs.

In any case, the one having the crimping portion 102b or the bonding portion 102e has the above-mentioned problem, and has a difficulty in implementation.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned circumstances, and an object of the present invention is to make it easy to push a seal portion into a kick plate, and to lengthen a terminal portion of a welt seal pushed into a kick plate. It is an object of the present invention to provide a terminal structure of a welt seal capable of always hiding an edge of a garnish irrespective of the variation.

[0013]

According to the present invention, in order to achieve the above-mentioned object, a welt seal is attached to a welt portion made of a flexible elongated body having a substantially U-shaped cross section and one side wall of the welt portion. An outer member having a sealing portion made of an elastic elongated body having a garnish concealing portion and formed in a loop-shaped cross section, wherein the welt portion constitutes a door opening for mounting a door of a vehicle body; The garnish concealing portion is fitted to the mating portion with the inner member, and the garnish concealing portion is attached to the edge of the garnish attached to the door opening to conceal the edge and seal at the end of the welt seal. Garnish of a seal portion at a terminal portion of the welt seal in a terminal structure of an automobile welt seal mounted by pushing a portion into a kicking plate mounted on the door opening. In the concealing portion, a cut extending from the pushing end into the kick plate to the outside of the kicking plate is formed, and the concealing portion divided by the cut near the pushing end is polymerized and adhered to each other. And a cut portion continuous with the polymerized adhesive portion is formed while leaving other cut portions as they are.

[0014]

According to the present invention, the sealing portion at the end of the weld seal has a polymerized adhesive portion between the concealing pieces and a cut portion leaving a cut as it is in the longitudinal direction. Are formed continuously along. And since the said superposition | bonding adhesion part superposes | bonds the concealing part pieces divided | segmented by the cut, it is smaller (or crushed) than the sealing part of the general part in a free state, Located on the side, it is easy to push into the kicking plate.

Further, the cut portion that is continuous with the polymerized adhesive portion has a restoring force for returning to a free state because the cut portion is left as it is without being bonded, and the direction of contraction by the polymerized bonded portion ( (Or in the direction of collapse). For this reason, the cut portion of the seal portion is easily reduced (or crushed) to the side portion of the welt portion by the load of the external force. For this reason, the cut portion can also be easily pushed into the kick plate, and the cut portion that protrudes outward from the kick plate swells due to its restoring force to cover the edge of the garnish. Act like so.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be specifically described based on illustrated embodiments.

FIG. 1 shows a mounted state of an automobile weld seal 1 as one embodiment. The weld seal 1 is attached over substantially the entire periphery of the door opening 201 of the automobile 200 in the same manner as in the related art, and is closed so as to close the gap between the door in the closed state and the door opening 201. It is functioning. At this time, both ends 10 and 11 of the weld seal 1 are connected to the kicking plate 240 attached to the door opening 201.
It is attached so that it is pushed inside.

That is, as shown in FIGS. 2 to 4, the welt seal 1 has a welt portion 2 made of a flexible elongated body having a U-shaped cross section in which a mounting fin 2a is integrally formed on the inner surface thereof. A sealing portion 3 made of an elastic long body made of rubber or the like attached to one side wall of the welt portion 2 and formed in a loop-shaped cross section.
The welt portion 2 is fitted and fitted to a joint portion of an outer member and an inner member constituting the door opening portion 201. For example, the weld seal 1 has a joint 206 between the outer pillar 204 and the inner pillar 205 for the center pillar 203 and a side sill 210 where the lower end of the center pillar 203 is continuous.
The joining part 2 of the outer sill 211 and the inner sill 212
13 is attached by fitting the welt portion 2.

On the other hand, as shown in FIG. 3, the seal portion 3 is formed to have a garnish concealing portion 3a (the X-shaped portion in the figure). The concealing part 3a is the center pillar 203
Edge 220 of the garnish 220 attached to the passenger compartment side of the vehicle
b, the edge 220b is concealed so as not to be exposed to the outside, and in the closed state of the door 230, the edge 220b contacts the trim 231 of the door 230 to open the door opening 201.
And the door 230 is closed. At this time, the garnish 220 is attached so that its lower end 220a covers a part of the side sill 210 continuous with the lower end of the center pillar 203 (see FIG. 4).

The terminal portion of the weld seal 1 has the weld portion 2 at the terminal portion fitted to the mating portion 213 of the outer sill 211 and the inner sill 212 of the side sill 210 covered by the lower end 220 a of the garnish 220. The seal part 3 at the terminal part is the garnish 2
It is attached so as to be pushed into a kicking plate 240 attached from above the lower end 220a of the connector 20.

At this time, as shown in FIG. 4, the seal portion 3 at the end of the weld seal 1 reaches the garnish hiding portion 3a from the pushing end of the kick plate 240 to the outside of the kick plate 240. While making a cut 4, the portion near the pushing end is cut
The concealing portion pieces 3b and 3c divided by the above are formed into a polymerized and bonded portion 3d in which the concealing portions 3b and 3c are polymerized and bonded, and the portion where the other cut 4 is formed is formed as a cut portion 3e in which the cut 4 remains.

The cut 4 is made along the length of the seal 3 at a substantially central portion of the width of the garnish hiding portion 3a. In addition, the superimposed adhesive portion 3d is divided by the cuts 4 and superimposed on the outer edge of the other concealing piece 3c and adheres to the inner root of one concealing piece 3b remaining on the welt portion 2 side. Even if the length of the terminal portion mounted in the kick plate 240 of the weld seal 1 varies from the end of the superposed adhesive portion 3d, the length of the superposed adhesive portion 3d is always the kick plate. It is designed in consideration of being located within 240.

The seal portion 3 at the end of the weld seal 1 formed in this manner is located on the side of the weld portion 2 such that the superposed and bonded portion 3d is smaller (or crushed) than the general portion. And kicking plate 240
Pushing into the inside is easy. This polymerized adhesive part 3
Since the cut portion 3e continuing to d has the cut 4 as it is without being bonded, the cut portion 3e has a restoring force for returning the concealing portion piece 3c to a free state, and the welt portion 2c is formed by the superimposed adhesive portion 3c. Is bent so as to bend to the side portion of (or crush). For this reason, the concealing portion piece 3c in the cut portion 3e is easily reduced (or crushed) to the side portion of the welt portion 2 due to an external force load, and swells due to the restoring force in a no-load state. It is free.

For this reason, the sealing portion 3 at the end of the weld seal 1 can easily push not only the overlapping portion 3d but also the cut portion 3e into the kicking plate 240, 24
The concealing portion piece 3c in the cut portion 3e that protrudes outward from 0 is swelled by its restoring force and maintains a substantially free state, and FIG.
As shown in the figure, the garnish 220 is concealed by contacting the edge 220b at the lower end 220a.

As described above, in the weld seal 1,
The kicking plate 2 of the seal part 3 at the terminal part
Since the push into the inside 40 is easy, the work of attaching the weld seal 1 to the door opening 201 becomes easy, and the productivity can be improved.

The welted seal 1 has a concealed portion 3c of a cut portion 3e protruding outward from the kicking plate 240, despite the variation in the length of the seal portion 3 pushed into the kicking plate 240. As a result, the edge 220b at the lower end 220a of the garnish 220 is concealed without being exposed, so that a good-looking wearing state is obtained.

[0027]

As described in detail above, according to the present invention, a seal portion made of an elastic elongated body having a loop-shaped cross section is attached to a welt portion made of a flexible elongated body having a substantially U-shaped cross section. In the terminal structure of an automobile welt seal, which is fitted by being fitted into a door opening of an automobile via a welt portion and pressing a seal portion at a terminal portion into a kick plate attached to the door opening portion, In the garnish concealing portion of the seal portion at the end of the weld seal, a cut extending from the pushing end into the kick plate to the outside of the kick plate was formed, and the cut was formed by the cut near the pushing end. The concealing portion pieces are polymerized together to form a polymerized and bonded portion, and are continued to the polymerized and bonded portion while leaving other cut portions as they are. Since the cut portion is formed, the polymer-bonded portion is smaller (or crushed) than the general portion of the seal portion, is located on the side of the welt portion, and the cut portion is formed by the polymer-bonded portion. The side of the part is bent and shrunk (or crushed), which makes it easier to push the seal part in the terminal part into the kicking plate and improves productivity. The concealing piece in the cut portion has a restoring force to return to the free state, and has protruded outward from the kicking plate despite the variation in the pushing length of the seal portion into the kicking plate. The concealing piece of the cut portion swells due to the restoring force to conceal the edge of the garnish, and a good-looking mounting state in which the edge is not exposed is obtained. A terminal structure of the tool can be provided.

[Brief description of the drawings]

FIG. 1 is a schematic diagram illustrating an attached state of an automobile weld seal as one embodiment.

FIG. 2 is an actual perspective view of a portion A in FIG. 1;

FIG. 3 is a sectional view taken along line III-III in FIG. 2;

FIG. 4 is an exploded perspective view illustrating an attached state of a terminal portion of the weld seal of FIG. 1;

FIG. 5 is a schematic view of an automobile equipped with a conventional automobile weld seal.

FIG. 6 is a perspective view of a part B in FIG. 5;

FIG. 7 is a sectional view taken along line VII-VII in FIG. 6;

FIG. 8 is a sectional view taken along the line VIII-VIII in FIG.

FIG. 9 is a sectional view of a main part showing another conventional example.

FIG. 10 is a sectional view of a main part showing another conventional example.

FIG. 11 is an exploded perspective view for explaining a mounted state of a terminal portion of another conventional example of a welt seal.

FIG. 12 is a perspective view of a portion B of FIG. 5 of another conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Welt seal for automobiles (welt seal) 2 Welt part 3 Seal part 4 Cut 3a Concealment part for garnish 3b, 3c Concealment part piece 3d Polymerization adhesion part 3e Cut part 201 Door opening 203 Center pillar 204 Outer pillar (outer member) 205 Inner pillar (inner member) 210 Side sill 211 Outer sill (outer member) 212 Inner sill (inner member) 220 Garnish 240 Kicking plate 220b Edge of garnish

Claims (1)

(57) [Claims] 1. A welt seal formed of a flexible elongate body having a substantially U-shaped cross section and a garnish concealing portion attached to one side wall of the welt section and formed into a loop-shaped cross section. A sealing portion made of an elastic elongated body, wherein the welting portion is fitted to a mating portion of an outer member and an inner member constituting a door opening for mounting a door of a vehicle body, and the garnish concealing portion is provided. Is attached to the edge of the garnish attached to the door opening to conceal the edge, and the seal at the end of the weld seal is pushed into the kick plate attached to the door opening for attachment. In the end structure of the weld seal for automobiles, the garnish hiding part of the seal part at the end part of the weld seal, from the pushing end into the kick plate A cut is made to reach the outside of the locking plate, and the concealment pieces divided by the cut near the pushing end are polymerized to form a polymerized and bonded portion, and the other cuts are left as they are. A terminal portion of an automobile weld seal, wherein a cut portion continuous with the polymerized adhesive portion is formed.