JP2006192926A - Joining structure of plate material - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a joining structure of plate materials mounted with trim seals for stably holding the trim seals and reducing cost with excellent workability. <P>SOLUTION: In this structure, peripheral edge parts 2a, 3a and 4a of at least two sheets of plate materials 2, 3 and 4 are overlapped and joined, and the trim seals 5 are mounted on the peripheral edge parts 2a, 3a and 4a. In the mounting parts of the trim seals 5, a first flange part (region B) thickest in the total plate thickness after the joining and an other flange part (region A) thinner in the total plate thickness after the joining than that in the first flange part are provided. In the other flange part (region A), projection parts 6 corresponding to the total plate thickness of the first flange part (region B) are intermittently provided along the mounting parts of the trim seals 5, and the plate materials 2, 3 and 4 are mutually joined in parts except the projection parts 6. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a joining structure for plate members equipped with a trim seal.

There are many places in the car body that are constructed by joining the outer panel and the inner panel. Recently, in order to ensure sufficient rigidity and safety of the car body, it is reinforced like the vicinity of the center pillar. An increasing number of parts (stiffeners) are inserted between the outer panel and the inner panel.
On the other hand, since it is not preferable in terms of safety and appearance if the cut edge is exposed at the peripheral edge of the panel joint, a trim seal is attached as a cover for the peripheral edge of the panel joint. Further, the trim seal also serves as a waterproof seal, and in order to correctly attach the trim seal in a predetermined posture, for example, a panel joining structure as shown in FIG. 6 has been proposed (see, for example, Patent Document 1).

As shown in FIG. 6, this joining structure has lips 82 and 82 formed on inner side surfaces 81 and 81 on both sides of the trim seal 80 so that the joint flange 93 of the outer panel 91 and the base of the joining flange 94 of the inner panel 92 respectively. The trim seal 80 is prevented from falling by abutting against protrusions 95, 95, 95,... Formed intermittently along the longitudinal direction on both sides of the portion.
Japanese Utility Model Publication No. 6-74523 (paragraphs 0004 to 0007)

However, if a stiffener is inserted between the outer panel and the inner panel at the peripheral edge of the stacked panel, the thickness of the flange of the joint portion of the panel is within the range where the stiffener is inserted. In the range where the stiffener is not inserted, the plate thickness is reduced, so that a thick portion and a thin portion of the flange portion are mixed. Thus, when there is a difference in plate thickness, there is a problem that when trying to attach the trim seal, it is difficult to attach the thick seal and the trim seal is detached.
In addition, in the joining structure shown in FIG. 6, when the width of the base portion of the joining flange, such as the rear inner panel, is narrow and a space for providing the protrusion cannot be secured, and as seen on the reference surface of the outer panel, etc. There is a problem in that it cannot be applied when protrusions cannot be provided on both sides of the base portion of the flange.

  The present invention has been made in view of such a background, and provides a joining structure for plate members equipped with a trim seal that can stably hold a trim seal, has good workability, and can reduce costs. Is an issue.

  In order to solve the above-mentioned problem, the plate material joining structure of the present invention is a plate material joining structure in which flange portions formed on the peripheral edge portions of at least two plate materials are overlapped and joined, and a trim seal is attached to the flange portion. The first flange portion having the largest total plate thickness after bonding (the total sum of the laminated plate thicknesses) among the trim seal mounting portions at the peripheral edge portion and after the bonding than the first flange portion. And another flange portion having a thin total plate thickness, and the other flange portion is provided with a protruding portion along the trim seal mounting portion to correspond to the total plate thickness of the first flange portion. It is characterized by that.

  According to such a configuration, in the peripheral portion of the overlapped plate member, the other flange portion is provided with a projection portion corresponding to the total plate thickness of the first flange portion along the trim seal mounting portion. Therefore, the thickness (protrusion) of the flange portion between the first flange portion where the total plate thickness of the trim seal mounting portion is the thickest and the other flange portion where the total plate thickness after joining is thinner than that of the first flange portion. The thickness including the height of the portion can be made the same.

  Therefore, since the trim seal can be stably held, it is possible to prevent the trim seal from coming off and coming off due to loose fitting when the trim seal is attached as in the prior art. In addition, since it is possible to prevent the fitting from being tight and the workability from being deteriorated as in the prior art, it is possible to reduce the number of work steps for mounting the trim seal. Moreover, it is not necessary to provide a special configuration for the trim seal, and the cost of the trim seal itself can be reduced.

Here, the meaning of “correspond” means that the thickness of the flange portion of the first flange portion and the other flange portion is made the same by providing the protrusion portion on the other flange portion as described above. Even if it is not the same, what is appropriately determined within the allowable range of the fitting tightening allowance of the trim portion opened in the U-shape of the trim seal is also included.
Therefore, in the other flange portions, when there are the second and third other flange portions having a thin total plate thickness with respect to the first flange portion, “correspond to the total plate thickness of the first flange portion. However, the height of the protrusion may be set as appropriate within the range of the total thickness of the first flange portion and the total thickness of the third flange portion (as a reference). Furthermore, in this case, it is not always necessary to provide the protrusions over the entire circumference of the other flange part, and for example, the protrusions may be formed only on the third flange part.

It is also possible to intermittently provide the protruding portion along the mounting portion of the trim seal on the opening edge side of the other flange portion, and to join the plate materials at a portion other than the protruding portion.
As described above, by providing the protrusion on the opening edge side of the other flange portion, it is possible to cope with the case where the base width of the flange portion is narrow and the formation of the protrusion is not easy.
In addition, when the flange part is joined by welding or the like, by disposing the protrusions intermittently around the welding point (joining point), the arrangement of the protrusions becomes a mark of the welding point, and the welding point can be easily observed visually. Can be judged.

  The plate member includes at least an outer panel of the vehicle body, an inner panel, and a stiffener that is a reinforcing plate member. The first flange portion is a flange in which the outer panel, the inner panel, and the stiffener are overlapped. And the other flange portion is a flange portion in which the outer panel and the inner panel are overlapped with each other, and the protruding portion can be provided on the inner side of the inner panel.

According to such a configuration, by providing the protrusion on the flange portion where the outer panel and the inner panel are overlapped, the flange portion where the outer panel, the inner panel, and the stiffener are overlapped, The thickness of the flange portion of the outer panel and the flange portion where the inner panel is superimposed can be made the same.
Further, since the protrusion is provided on the inner side of the inner panel, the outer panel can be prevented from being deformed, so that the outer surface of the outer panel can be used as the reference surface of the vehicle body.

  According to the plate material joining structure of the present invention, it is possible to provide a plate material joining structure equipped with a trim seal that can stably hold a trim seal, has good workability, and can reduce costs.

  Next, embodiments of the present invention will be described in detail with reference to the drawings as appropriate. In the drawings to be referred to, FIG. 1 is a perspective view showing a basic configuration of a joining structure of plate members according to an embodiment of the present invention, and FIG. 2 is a configuration of a protruding portion of the joining structure of plate members according to an embodiment of the present invention. FIG. 3 is a partially enlarged perspective view of FIG. 1 for explaining the above, FIG. 3 is a sectional view taken along the line aa of FIG. 1 for explaining another flange portion, and (a) is a state after the trim seal is attached. (B) shows a state before the trim seal is mounted. 4 is a cross-sectional view taken along line bb of FIG. 1 for explaining the first flange portion. In these drawings, details such as the plate thickness and protrusions of the plate material may be exaggerated.

As shown in FIG. 1, the plate material joining structure according to the present embodiment includes an outer panel 2 constituting an outer plate of the vehicle body 1 in an opening 1 a of a rear door of the vehicle body 1, an inner panel 3 serving as an inner plate thereof, It is composed of three (three layers) plate members (panels) which are interposed between the outer panel 2 and the inner panel 3 and are composed of stiffeners 4 which are reinforcing members.
In addition, as a plate material (2, 3, 4), a plate material made of an aluminum alloy is used in addition to a surface-treated steel plate.

In the outer panel 2, the inner panel 3, and the stiffener 4, flanges (2b, 3b, 4b) are formed on the peripheral edges (2a, 3a, 4a) of the opening 1a of the rear door over the entire circumference of the opening 1a. Has been.
The flange portions (2b, 3b, 4b) are overlapped and joined to each other, and the trim seal 5 is attached to the opening edges (2c, 3c, 4c) of the flange portions (2b, 3b, 4b).
FIG. 1 shows the opening 1a of the rear door as viewed from the inside of the vehicle, and shows a state in which a rear wheel arch 1c is formed on the inner panel 3 and a floor panel 1d is assembled.

The outer panel 2 is a plate material that forms an outer plate of the side portion of the vehicle body 1. As an example, the outer panel 2 includes a single plate material from a rear end (not shown) to a front pillar (not shown).
The opening 1a of the rear door formed in the outer panel 2 is provided with a flange 2b over the entire circumference of the peripheral edge 2a. The opening edge 2c of the flange 2b is trimmed along the shape of the rear door. Yes.

The inner panel 3 is an inner plate on the inner side of the outer panel 2 and is made of a thick plate material that is thicker than the outer panel 2. For example, the inner panel 3 is composed of a single plate material from a rear fender (not shown) to a front pillar (not shown). ing.
As with the outer panel 2, the rear door opening 1a formed in the inner panel 3 is provided with a flange portion 3b over the entire periphery of the peripheral edge portion 3a. The opening edge 3c of the flange portion 3b is It is trimmed along the shape of the rear door.

  The outer panel 2 and the inner panel 3 are joined to each other by spot welding with the flange portions (2b, 3b) formed on the peripheral edge portions (2a, 3a) on the opening 1a side of the rear door, and the inside is formed into a bag shape. The rigidity is ensured by forming. The periphery of the center pillar in the center of the passenger compartment has a structure in which a stiffener 4 (41, 42, 43) is integrally inserted between the outer panel 2 and the inner panel 3 in order to further increase the rigidity. ing.

  The stiffener 4 includes, for example, an upper stiffener roof side rail 41, a central stiffener center pillar 42, and a lower stiffener side sill 43, and forms an I shape with long upper and lower sides as a whole. is doing.

A flange portion 4b is formed on the rear door opening 1a side of the stiffener 4 (41, 42, 43) corresponding to the shapes of the outer panel 2 and the inner panel 3.
Then, the flange portion 4b of the stiffener 4 (41, 42, 43) is inserted between the flange portion 2b of the outer panel 2 and the flange portion 3b of the inner panel 3, and is overlapped with each other by spot welding. It is joined.

As described above, since the stiffener 4 (41, 42, 43) is partially inserted between the outer panel 2 and the inner panel 3 in the opening 1a of the rear door, the plate material (2, 3, 4) is divided into two regions, a two-layered region A and a three-layered region B.
Therefore, the stiffener center from the stiffener roof side rail 41 is formed at the flanges (2b, 3b, 4b) formed on the peripheral edge (2a, 3a, 4a) on the opening 1a side of the rear door of the plate material (2, 3, 4). In the region from the pillar 42 to the stiffener side sill 43, the three plates of the outer panel 2, the stiffener 4 (41, 42, 43), and the inner panel 3 are overlapped and joined (3 In the area B), the area from the rear pillar 1b to the lower portion of the rear wheel arch 1c, the two plate materials of the outer panel 2 and the inner panel 3 are overlapped and joined (two-layer area A).
For this reason, in the flange portion (2b, 3b, 4b), there is a difference in total plate thickness between the three-layered region B and the two-layered region A, and the three-layered region B is two-layered. From area A, the total plate thickness becomes thicker.

The two-layered area A is composed of the outer panel 2 and the inner panel 3, and as shown in FIG. 2, at the opening edge (2c, 3c) of the flange portion (2b, 3b) to which the trim seal 5 is attached. Are provided with protrusions 6, 6, 6.
These protrusions 6, 6, 6... Are formed on the inner side of the inner panel 3. This is because the outer surface (surface on the vehicle outer side) of the flange portion 2b of the outer panel 2 is suitable for use as a reference surface for positioning the vehicle body. However, the present invention is not limited to this, and the inner panel 3 may be formed on the vehicle outer surface, may be formed on both the vehicle inner side and the vehicle outer surface, or may be formed on the outer panel 2.

Further, the protrusions 6, 6, 6... Are intermittently provided along the opening edge 3 c of the flange portion 3 b of the inner panel 3 that is the mounting portion of the trim seal 5. The arrangement of the protrusions 6, 6, 6,... Is set at an interval that can be stably held when the trim seal 5 is mounted, and spot welding is performed between the predetermined protrusion 6 and the protrusion 6. .. Can be arranged so that the joints 8, 8, 8,..., Which are welding points, are located (see FIG. 2).
These protrusions 6, 6, 6,... Do not have to have the same shape, and may have different areas and shapes. By doing so, the positions of the joints 8, 8, 8,... Can be determined more clearly.

As an example, the protrusions 6, 6, 6... Are integrally formed with the inner panel 3, and the height t1 of the protrusions 6, 6, 6,... (See FIG. 3B). ) Is set corresponding to the total plate thickness t3 (see FIG. 4) of the region B (see FIG. 1) of the three sheets.
That is, the protrusions 6, 6,... Including the height of the protrusions 6, 6 are projected so that the thickness t 2 of the flange portion of the region A is equal to the total thickness t 3 of the three-layer region B. The height t1 of the parts 6, 6, 6,... Is set. By setting the height t1 of the protrusions 6, 6, 6,... In this way, the opening edges (2c, 3c, 4c) of the flanges (2b, 3b, 4b) to which the trim seal 5 is attached are set. The thickness can be made uniform over the entire circumference of the opening edge (2c, 3c, 4c) (see FIG. 1).

As shown in FIGS. 2 and 3, the trim seal 5 is formed in a long body having a constant cross-sectional shape. As an example, the trim seal 5 has a circular ring portion 5a formed in a hollow circular shape, and a flange portion. The trim part 5b with which the opening edge (2c, 3c) of (2b, 3b) is mounted | worn, and the cover lip 5c which shields a flange part (2b, 3b) are provided.
As shown in FIG. 3 (b), the trim portion 5b is formed in a substantially U shape, and a vehicle interior side lip 5b2 is provided on the vehicle interior side wall 5b1 of the trim portion 5b to provide a vehicle exterior side wall 5b1. ′ Is provided with lip 5b2 ′, 5b2 ′,. When the flange portions (2b, 3b, 4b) are fitted into the substantially U-shaped trim portion 5b formed in the trim portion 5b, the vehicle inner lip 5b2 and the vehicle outer lip 5b2 ′, 5b2 ′. The parts (2b, 3b, 4b) are clamped, and the trim seal 5 is securely held (see FIG. 3 (a)).

The three-layered region B is a region where the stiffener 4 is inserted between the outer panel 2 and the inner panel 3 in the opening 1a of the rear door, that is, the stiffener center side pillar 41 from the stiffener roof side rail 41 above the stiffener 4. It is an area up to the stiffener side sill 43 with reference to 42 (see FIG. 1).
As shown in FIG. 4, the flange portions (2 b, 3 b, 4 b) in the three-layered region B include the flange portion 2 b of the outer panel 2, the flange portion 4 b of the stiffener roof side rail 41, and the flange portion of the inner panel 3. 3b and 3 panels are overlapped.

Further, a trim portion 5b opened in a U-shape of the trim seal 5 is fitted into the opening edge (2c, 3c, 4c) of the flange portion (2b, 3b, 4b), so that the vehicle interior lip 5b2 and the vehicle exterior lip The flange portions (2b, 3b, 4b) are held between the lips 5b2 ', 5b2', and the trim seal 5 is securely held.
In addition, the ring portion 5a of the trim seal 5 is sealed by elastically contacting and bending the bulging portion 13a of the door sash 13.

The effect | action of the joining structure of the board | plate material in the opening part of the rear door comprised as mentioned above is demonstrated referring FIG.
In the joining structure of the plate material of the opening 1a of the rear door according to the present embodiment, the outer panel 2, the inner panel 3, and the stiffener 4 are configured, and the outer panel 2 and the inner panel 3 are overlapped. The flange portion 3b in the two-layered area A is equal to the total thickness t3 (see FIG. 4) of the three-layered area B in which the stiffener 4 is interposed between the outer panel 2 and the inner panel 3. Protrusions 6, 6, 6,... (See FIG. 2) are provided.

  That is, the two-layered region A having a thin thickness of the opening edge (2c, 3c) of the flange portion (2b, 3b) to which the trim seal 5 is attached is made to correspond to the three-layered region B having a large total plate thickness. By providing the projections 6, 6, 6,..., The opening edge (2c, 3c, 4c) of the flange portion (2b, 3b, 4b) to which the trim seal 5 is attached is provided at the opening 1b of the rear door. Is made uniform over the entire circumference of the opening edge (2c, 3c, 4c).

Thus, even if the trim seal 5 having the same cross-sectional shape is mounted, the fitting becomes loose or tight by configuring the thickness of the flange portions (2b, 3b, 4b) uniformly. Therefore, it is possible to prevent the trim seal 5 from coming off easily or from being difficult to attach to the trim seal 5, making it easy to install the trim seal 5 and reducing the number of work steps.
Further, the trim seal 5 having the same cross-sectional shape can be used, and it is not necessary to add a special configuration to the trim seal 5, so that the cost of the trim seal itself can be reduced.

  Further, the protrusion is provided such that a spot welding spot (joint portion 8, 8, 8,...) Is provided between the predetermined protrusion 6 provided along the opening edge 3c of the flange 3b and the protrusion 6. By arranging the parts 6, 6, 6,..., The positions of the joints 8, 8, 8,... Can be grasped visually using the protrusions 6, 6, 6,. In addition, it is possible to prevent the position of the welded portion from being defective, and inspection is easy (see FIG. 2).

In the above embodiment, the outer panel 2, the inner panel 3, and the stiffener 4 interposed between the three panels (three layers) are used. However, the present invention is applied to the outer panel and the inner panel. The case where it is comprised with the board | plate material of a hierarchy is demonstrated.
FIG. 5 is a perspective view for explaining a modification of the embodiment according to the present invention. As shown in FIG. 5, a modification of the embodiment according to the present invention is configured by dividing an inner panel 30, and a thick inner panel 31 and a thin inner panel 32 are arranged side by side, and end portions of both are arranged. The flange portion 20b of the peripheral portion 20a of the outer panel 20, the flange portion 31b of the peripheral portion 31a of the thick inner panel 31, and the flange portion 32a of the peripheral portion 32a of the thin inner panel 32 in a state where 31e and 32e are abutted. 32b is overlapped and joined.
For this reason, in the region constituted by the outer panel 20 and the thick inner panel 31, the total thickness of the opening edges 20c, 31c of the flange portions 20b, 31b to which the trim seal 5 is attached is thick (first flange portion). In the region constituted by the outer panel 20 and the thin inner panel 32, the total plate thickness of the opening edges 20c, 32c of the flange portions 20b, 32b to which the trim seal 5 is attached is thin (second flange portion).
Therefore, protrusions 60, 60, 60,... Are provided on the vehicle inner side of the opening edges 20c, 32c of the second flange portion so as to correspond to the total plate thickness of the first flange portion. The configuration of the protrusions 60, 60, 60,... Is the same as that in the above embodiment, and thus the description thereof is omitted.

  In the above-described modification, the thick inner panel 31 and the thin inner panel 32 are configured to abut against each other side by side. However, the present invention is not limited to this, and both end portions are overlapped. May be configured. In such a configuration, the overlapped region partially includes three plate members, but the trim portion 5b of the opening of the trim seal 5 has a predetermined range depending on the shape of the lips 5b2 and 5b2 ′. Since the tightening allowance at the time of fitting is provided (see FIG. 3), the present invention can be implemented by setting the height of the protrusion in consideration of this allowance.

Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and can be implemented with appropriate modifications.
For example, in this embodiment, the protrusion formed on the inner panel is integrally formed by press molding. However, the present invention is not limited to this, and the protrusion is formed on a separate member from the inner panel. Then, it may be fixed to the inner panel by welding or adhesion. The material of the separate member may not be the same as that of the inner panel, and may be rubber or synthetic resin.

  In this embodiment, the shape of the protruding portion is also formed to be raised in a rectangular shape, but is not limited to this, and may be a circular shape or the like. The part may be raised and a protrusion may be formed. In short, the present invention can be implemented as long as the flange portion including the protruding portion can be configured to have a predetermined thickness and the trim seal can be stably mounted.

  In the present embodiment, the protrusion is provided only in the two-layered region A having a thin total plate thickness. However, the present invention is not limited to this, and the three-layered region B having a large total plate thickness is provided. What provided the projection part also belongs to the technical scope of this invention. In this case, a protrusion having a further height is provided in the two-layered region A having a thin total plate thickness corresponding to the thickness of the flange including the protrusion. Even in the three-layered region B having a large total plate thickness, it is effective when the predetermined plate thickness is not reached and the trim seal cannot be stably held.

It is a perspective view which shows the basic composition of the joining structure of the board | plate material which concerns on embodiment of this invention. It is the elements on larger scale of Drawing 1 for explaining the composition of the projection of the joined structure of the board material concerning the embodiment of the present invention. It is aa sectional drawing of Drawing 1 for explaining other flange parts of the joined structure of the board material concerning the embodiment of the present invention, (a) shows the state after mounting of a trim seal, and (b). The state before the trim seal is attached is shown. It is bb sectional drawing of FIG. 1 for demonstrating the 1st flange part of the joining structure of the board | plate material which concerns on embodiment of this invention. It is a perspective view for demonstrating the modification of embodiment which concerns on this invention. It is a perspective view for demonstrating the joining structure of the conventional board | plate material.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Car body 1a Opening part 2,20 Outer panel 2a, 20a Peripheral part 2b, 20b Flange part 2c, 20c Opening edge 3,30 Inner panel 3a Peripheral part 3b Flange part 3c Opening edge 4 Stiffener 4b Flange part 5 Trim seal 6,60 Protrusion 8 Joint part 31 Inner panel 31a Peripheral part 31b Flange part 32 Inner panel 32a Peripheral part 32b Flange part 41 Stiffener roof side rail 42 Stiffener center pillar 43 Stiffener side sill

Claims (3)

It is a joining structure of plate materials in which flange portions formed on the peripheral portions of at least two plate materials are overlapped and joined, and a trim seal is attached to the flange portions,
The first flange portion having the largest total plate thickness after joining among the mounting portions of the trim seal in the peripheral portion,
And having another flange portion with a total thickness less than that of the first flange portion after joining,
The other flange portion is provided with a projection portion corresponding to the total plate thickness of the first flange portion along the mounting portion of the trim seal. The protrusion is intermittently provided along the mounting portion of the trim seal on the opening edge side of the other flange portion,
The plate material bonding structure according to claim 1, wherein the plate materials are bonded to each other at a portion other than the protruding portion. The plate material includes at least an outer panel of the vehicle body, an inner panel, and a stiffener that is a reinforcing plate material,
The first flange portion is a flange portion in which the outer panel, the inner panel, and the stiffener are overlapped,
The other flange portion is a flange portion in which the outer panel and the inner panel are overlapped,
The said projection part was provided in the vehicle inner side of the said inner panel, The joining structure of the board | plate material of Claim 1 or Claim 2 characterized by the above-mentioned.

Images