JP2013126679A - Panel connection structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a panel connection structure that facilitates flowing of an adhesive coated on a first panel material in between an intermediate panel material and a second panel material.SOLUTION: A structure is obtained by superposing and connecting a flange 24 of a first panel material having an adhesive 54 coated thereon with a connection 30 of an intermediate panel material 26 formed of a through-hole 32 and a flange 44 of a second panel material 34 having a protrusion 46 and a flow path shaped part 52. As a result, the adhesive 54 coated on the flange 24 of the first panel material 14 through the flow path shaped part 52 can be facilitated to flow in between the connection 30 of the intermediate panel material 26 and the flange 44 of the second panel material 34.

Description

  The present invention relates to a panel joining structure.

  Conventionally, there has been disclosed a panel joining structure in which an intermediate panel material is provided between a first panel material having a hat-shaped cross section and a second panel material, and these three panel materials are joined using an adhesive. Moreover, in this panel joining structure, the adhesive applied to the flange portion of the first panel material is configured to flow into the flange portion of the second panel material through a through hole formed in the intermediate panel. (See Patent Document 1 below).

JP 2005-199743 A

  However, in the conventional structure, in the portion where the distance between the intermediate panel material and the second panel material is narrow, the adhesive flowing into the second panel material from the through hole formed in the intermediate panel is It becomes difficult to flow into a portion where the distance between the intermediate panel material and the second panel material is narrow. In other words, in the conventional structure, the adhesive that has flowed from the through hole formed in the intermediate panel toward the second panel material can easily flow between the intermediate panel material and the second panel material. There was room for improvement.

  In view of the above-described facts, the present invention has an object to obtain a panel joining structure that can easily allow an adhesive applied to a first panel material to flow between an intermediate panel material and a second panel material. It is.

  The panel joining structure according to the first aspect of the present invention includes a first panel member having a first joint part to which an adhesive is applied, and the first joint part of the first panel member. An intermediate panel material having a second joint portion that is overlapped and formed with a through hole through which an adhesive applied to the first joint portion circulates; and the second joint portion of the intermediate panel material; A convex portion formed so as to be separated from the through hole in a portion facing the through hole and a flow communicating with the convex portion in a portion adjacent to the convex portion. And a second panel member having a third joint portion formed with a road shape portion.

  In this invention of Claim 1, the 1st junction part to which the adhesive agent was apply | coated, the 2nd junction part in which the through-hole was formed, and the 3rd junction in which the convex part and the flow-path shape part were formed When the portions are overlapped, the adhesive is first pressed between the first joint portion and the second joint portion. Next, the adhesive flows into the gap between the convex portion formed in the third joint portion and the second joint portion through the through hole formed in the second joint portion. Next, the adhesive flowing into the gap flows between the flow path shape portion formed in the third joint portion and the second joint portion. In other words, an adhesive can be allowed to flow between the flow path shape portion and the second joint portion.

  The panel joint structure according to the second aspect of the present invention is the panel joint structure according to the first aspect, wherein the first joint portion, the second joint portion, and the third joint portion are each long. And an adhesive is applied to the first joint along the longitudinal direction of the first joint, and the second joint includes the second joint. A plurality of the through-holes are formed along the longitudinal direction, and the third joint portion is formed with the convex portions at portions facing the plurality of through-holes, and the flow path shape portions are adjacent to each other. The convex portions communicate with each other.

  In this invention of Claim 2, the convex part which the flow-path shape part formed in the 3rd junction part adjoins communicates. Therefore, the adhesive that has flowed into the gap between the convex portion formed at the third joint portion and the second joint portion passes between the adjacent convex portion and the second joint portion between the flow path shape portion and the second joint portion. It flows into the gap between the two joints. In other words, the adhesive that has flowed between the second joint and the third joint from the through hole formed in the second joint is passed through the flow path shape portion and the second joint and the second joint. 3 flows along the longitudinal direction of the joint portion.

  The panel bonding structure according to the third aspect of the present invention is the panel bonding structure according to the first or second aspect, wherein the second panel material has a cross section in which the third bonding portion is a flange portion. It is formed in a hat shape, and the flow path shape portion is provided in the vicinity of the proximal end portion of the flange portion.

  By the way, in the 2nd panel material formed in the cross-sectional hat shape, when an external force is added to the structure comprised including this 2nd panel material, the load which is going to peel off adhesion by an adhesive agent will be a flange part. It occurs at the base end of. However, in the present invention described in claim 3, since the flow path shape portion is provided close to the proximal end portion of the flange portion, the adhesive strength of the portion is ensured. Moreover, the rigidity of the structure itself including the second panel material is improved by securing the adhesive strength of the portion.

  The panel joint structure according to a fourth aspect of the present invention is the panel joint structure according to the third aspect, wherein the first joint portion, the second joint portion, and the flange portion are joined by spot welding. The spot welding is performed on a portion adjacent to the flow path shape portion.

  In this invention of Claim 4, since spot welding is performed to the site | part adjacent to a flow-path shape part, the joint strength of this part improves further.

  The panel joining structure according to the first aspect of the present invention is excellent in that the adhesive applied to the first panel material can easily flow between the intermediate panel material and the second panel material. It has the effect.

  In the panel joining structure according to the second aspect of the present invention, the adhesive applied to the first panel material is applied between the intermediate panel material and the second panel material in the elongated joining portion. It has the excellent effect that it can be made to flow easily into the water.

  The panel joint structure according to the third aspect of the present invention has an excellent effect that the rigidity of the structure to which the panel joint structure is applied can be improved.

  The panel joint structure according to the fourth aspect of the present invention has an excellent effect that the rigidity of the structure to which the panel joint structure is applied can be further improved.

(A) is a perspective view which shows the vehicle body structure to which the joining structure of the panel which concerns on this embodiment was applied, (B) is an expanded sectional view along the 1B-1B line in (A). It is a disassembled perspective view which shows the vehicle body structure to which the junction structure of the panel which concerns on this embodiment was applied.

  A panel bonding structure according to an embodiment of the present invention will be described with reference to FIGS. 1 and 2. The front side in the vehicle front-rear direction is indicated by an arrow FR, the outer side in the vehicle width direction is indicated by an arrow OUT, and the upper side in the vehicle vertical direction is indicated by an arrow UP. Moreover, in the following description, when using the front and rear direction and the up and down direction, unless otherwise specified, the front and rear direction of the vehicle and the up and down direction of the vehicle are shown.

  As shown in FIG. 1A, a vehicle body structure 12 to which the panel joint structure 10 of the present embodiment is applied is formed in a long shape in the vehicle front-rear direction. The vehicle body structure 12 includes a first panel member 14 formed in a cross-sectional hat shape facing the opening on the vehicle upper side, an intermediate panel member 26 formed in a plate shape, and an opening on the vehicle lower side. And a second panel member 34 formed in a cross-sectional hat shape. Hereinafter, the first panel member 14 will be described first, and then the intermediate panel member 26 and the second panel member 34 will be described.

(First panel material 14)
As shown in FIG. 2, the first panel member 14 is a press-molded part formed by subjecting a steel plate material to press working. Specifically, the first panel member 14 is inclined to the vehicle upper side from the bottom wall portion 16 extending in the vehicle width direction and the vehicle front-rear direction, and the end portion on the inner side in the vehicle width direction of the bottom wall portion 16. And a flange portion 20 that is bent and extends inward in the vehicle width direction from the upper end portion of the inclined wall portion 18. In addition, the first panel member 14 includes an inclined wall portion 22 that extends obliquely upward from the end of the bottom wall portion 16 on the vehicle width direction outer side, and a vehicle width from the upper end portion of the inclined wall portion 22. And a flange portion 24 as a first joint portion that bends and extends outward in the direction. An adhesive 54 is applied to the surface of the flange portion 24 on the vehicle upper side along the longitudinal direction of the flange portion 24. The adhesive 54 has fluidity in a state before the adhesive 54 is cured.

(Intermediate panel material 26)
The intermediate panel material 26 is formed using a rolled steel plate material, and is formed in a substantially rectangular shape when viewed from above the vehicle. Further, the end portion on the inner side in the vehicle width direction of the intermediate panel material 26 is a joint portion 28 that is joined to the flange portion 20 of the first panel material 14. Further, the end portion on the outer side in the vehicle width direction of the intermediate panel member 26 is a joint portion 30 as a second joint portion joined to the flange portion 24 of the first panel member 14. A through hole 32 is formed in the joint portion 30 so as to open in the thickness direction of the joint portion 30. The through-holes 32 are formed in the shape of a long hole whose longitudinal direction is the vehicle front-rear direction, and are formed at every pitch P along the front-rear direction of the vehicle (in this embodiment, the four through-holes 32 are pitched). Formed for each P).

(Second panel material 34)
The second panel material 34 is a press-molded part formed by pressing a steel plate material, like the first panel material 14. Specifically, the second panel member 34 is inclined downwardly from the upper wall portion 36 extending in the vehicle width direction and the vehicle front-rear direction, and from the inner end portion of the upper wall portion 36 in the vehicle width direction. And a flange portion 40 that is bent and extends inward in the vehicle width direction from a lower end portion of the inclined wall portion 38. The flange portion 40 is joined to the joint portion 28 of the intermediate panel material 26. In addition, the second panel member 34 includes an inclined wall portion 42 that extends from the end on the vehicle width direction outer side of the upper wall portion 36 to the vehicle lower side, and a vehicle width from the lower end portion of the inclined wall portion 42 And a flange portion 44 as a third joint portion that bends and extends outward in the direction. A convex portion 46 extending in the vehicle width direction is formed on the flange portion 44 so as to project from the general portion 48 of the flange portion 44 toward the vehicle upper side. The width of the convex portion 46 in the vehicle front-rear direction is substantially the same as the diameter of the through hole 32 in the vehicle front-rear direction. Furthermore, this convex part 46 is formed for every pitch P along the vehicle front rear (in this embodiment, the four convex parts 46 are formed for every pitch P). Further, in a state where the flange portion 44 is overlapped with the joint portion 30 of the intermediate panel member 26 (a state where the general portion 48 of the flange portion 44 is in contact with the joint portion 30 of the intermediate panel member 26), the convex portion 46 is intermediate. It arrange | positions so that the through-hole 32 formed in the junction part 30 of the panel material 26 may overlap with a vehicle up-down direction. Further, in this state, the upper wall 50 of the convex portion 46 and the joint portion 30 of the intermediate panel member 26 are separated in the vehicle vertical direction.

  In addition, the general portion 48 of the flange portion 44 is formed with a flow path shape portion 52 that extends in the vehicle front-rear direction and is formed so as to protrude toward the vehicle upper side. Further, the flow path shape portion 52 is disposed so as to be close to the proximal end portion of the flange portion 44 (the ridge line 56 at the boundary between the flange portion 44 and the inclined wall portion 42). In other words, the flow path shape portion 52 is formed so as to connect the ridge line 56 and the inner side in the width direction of the general portion 48 of the flange portion 44. The front end portion of the flow path shape portion 52 is connected to a convex portion 46 disposed in front of the flow path shape portion 52, and the rear end portion of the flow path shape portion 52 is behind the flow path shape portion 52. It is connected to the convex part 46 arrange | positioned. In other words, the flow path shape portion 52 communicates the convex portions 46 adjacent in the vehicle front-rear direction.

  Further, as shown in FIG. 1 (A), the flange portion 24 of the first panel member 14, the joint portion 30 of the intermediate panel member 26, and the second portion are adjacent to the flow path shape portion 52. Spot welding (welding part J) for joining the flange part 44 of the panel material 34 is performed.

  The flange portion 20 of the first panel member 14, the joint portion 28 of the intermediate panel member 26, and the flange portion 40 of the second panel member 34 are spot welded at a predetermined interval in the vehicle front-rear direction. Are joined together.

(Operation and effect of the present embodiment)
Next, the operation and effect of this embodiment will be described.

As shown in FIGS. 1A and 1B, the flange portion 24 of the first panel member 14 to which the adhesive 54 is applied, and the joint portion 30 of the intermediate panel member 26 in which the through holes 32 are formed, The flange portion 44 of the second panel member 34 on which the convex portion 46 and the flow path shape portion 52 are formed is overlapped. As a result, the adhesive 54 is pressed between the flange portion 24 of the first panel member 14 and the joint portion 30 of the intermediate panel member 26. Further, the adhesive 54 passes through the through hole 32 formed in the joint portion 30 of the intermediate panel material 26, and the joint portion between the convex portion 46 formed on the flange portion 44 of the second panel material 34 and the intermediate panel material 26. It flows into the gap C between 30 and 30. Next, the adhesive 54 that has flowed into the gap C flows between the flow path shape portion 52 formed in the flange portion 44 of the second panel material 34 and the joint portion 30 of the intermediate panel material 26. That is, in the present embodiment, the adhesive 54 applied to the flange portion 24 of the first panel member 14 is caused to flow between the joint portion 30 of the intermediate panel member 26 and the flange portion 44 of the second panel member 34. Can be made easier.

  Moreover, in this embodiment, the convex part 46 which the flow-path shape part 52 formed in the flange part 44 of the 2nd panel material 34 adjoins communicates. Therefore, the adhesive 54 that has flowed into the gap C from the through hole 32 passes between the flow path shape portion 52 and the joint portion 30 of the intermediate panel member 26, and the adjacent convex portion 46 and the joint portion 30 of the intermediate panel member 26. Into the gap C between the two. In other words, the adhesive 54 that has flowed into the gap C from the through hole 32 formed in the joint portion 30 of the intermediate panel material 26 passes through the flow path shape portion 52 and the joint portion 30 of the intermediate panel material 26 and the second panel material. It flows along the longitudinal direction of the flange portion 44. That is, in this embodiment, in the vehicle body structure 12 formed in a long shape, the adhesive 54 applied to the flange portion 24 of the first panel member 14 is applied to the joint portion 30 of the intermediate panel member 26 and the second portion. It can be made easy to flow between the flange portion 44 of the panel material 34.

  By the way, in the 2nd panel material 34 formed in the cross-sectional hat shape, when external force is added to the vehicle body structure 12 comprised including this 2nd panel material 34, it will try to tear off adhesion | attachment by the adhesive agent 54. A load to be generated is generated at the proximal end portion of the flange portion 44. However, in this embodiment, since the flow path shape part 52 is provided close to the base end part of the flange part 44, the adhesive strength of this part is ensured. Moreover, the rigidity of the vehicle body structure 12 itself including the second panel member 34 can be improved by ensuring the adhesive strength of the portion.

  Furthermore, in this embodiment, since spot welding (welding part J) is performed to the site | part adjacent to the flow-path shape part 52, the joint strength of this part improves further. As a result, in the present embodiment, the rigidity of the vehicle body structure 12 can be further improved.

  In addition, although this embodiment has demonstrated the structure which the flow path shape part 52 connects the adjacent convex parts 46, this invention is not limited to this, For example, the flow path shape part 52 is adjacent. It is good also as a structure which is not connecting the convex parts 46.

  Moreover, although this embodiment demonstrated the example which provided spot welding (welding part J), this invention is not limited to this, For example, it is good also as a structure which does not provide spot welding (welding part J). As described above, whether or not spot welding (welded portion J) is provided may be appropriately set in consideration of the bonding strength by the adhesive 54. When spot welding (welded portion J) is not provided, the flow path shape portion 52 may be formed at a position away from the proximal end portion of the flange portion 44.

  Although one embodiment of the present invention has been described above, the present invention is not limited to the above, and various modifications other than the above can be implemented without departing from the spirit of the present invention. Of course.

10 Panel joint structure
14 First panel material
24 Flange (first joint)
24 Flange
26 Intermediate panel material
30 joints (second joints)
32 Through hole
34 Second panel material
44 Flange (third joint)
46 Convex
52 Channel shape part
54 Adhesive
J weld

Claims (4)

A first panel member having a first joint to which an adhesive is applied;
An intermediate panel material having a second joint portion that is overlapped with the first joint portion of the first panel material and has a through hole through which an adhesive applied to the first joint portion flows. When,
A convex portion that is overlapped with the second joint portion of the intermediate panel material and that is opposed to the through hole and that is separated from the through hole, and a portion that is adjacent to the convex portion In that case, a second panel material having a third joint portion formed with a flow path shape portion communicated with the convex portion,
Panel joining structure with The first joint, the second joint, and the third joint are each formed in an elongated shape,
An adhesive is applied to the first joint along the longitudinal direction of the first joint,
A plurality of the through holes are formed in the second joint along the longitudinal direction of the second joint,
In the third joint portion, the convex portions are respectively formed at portions facing the plurality of through holes, and the convex portions adjacent to each other of the flow path shape portion are communicated with each other.
The panel joining structure according to claim 1.   The second panel material is formed in a cross-sectional hat shape in which the third joint portion is a flange portion, and the flow path shape portion is provided close to a proximal end portion of the flange portion. Item 3. The panel junction structure according to claim 1 or 2.   The panel according to claim 3, wherein the first joint portion, the second joint portion, and the flange portion are joined by spot welding, and the spot welding is applied to a portion adjacent to the flow path shape portion. Junction structure.

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