JP2012071625A - Panel-forming-member structure constituting vehicle-body frame member of automobile - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simply form a seal component part without requiring high skill, and also, to prevent a sealant from catching fire due to its protrusion to the outside of an area of a both-end connection part or weld-spatter adhesion when executing joining work such as spot welding.SOLUTION: A side-sill reinforcing member is configured as follows. When the side-sill reinforcing member is composed of one split member 3 and the other split member 4 that are formed by dividing the side-sill reinforcing member into the front part and the rear part in its longitudinal direction, a sealant storing groove part 6 is recessed along the outer-peripheral wall of one end connection part 3a. In a state that a paste-like sealant 5 injected into the sealant storing groove part 6 is adhered to the inner wall of an end connection part 4a of the other split member 4, both of the end connection parts 3a, 4a are joined to each other so as to connect and overlap both of the split members 3, 4 with each other.

Description

  In order to improve press formability, a panel forming member constituting a body frame member configured to be relatively long, such as a side sill reinforcing member that reinforces a side sill of an automobile, is divided into front and rear portions in order to improve press formability. And it is related with the panel forming member structure which comprises the vehicle body frame | skeleton member of the motor vehicle which connected and comprised such division members in the terminal connection part.

  This type of panel molding member, for example, a side sill reinforcing member that reinforces a side sill that constitutes a side frame of a vehicle body, is provided to be attached to side sills extending in the front-rear direction at both ends of the front floor panel of the vehicle. In some cases, a panel material is press-molded so as to open to the passenger compartment side, and is formed into a substantially hat cross section (see Patent Document 1).

JP 2010-137599 A

  The panel forming member such as the side sill reinforcing member is configured as a long member extending in the front-rear direction of the automobile. Such a long panel forming member has been conventionally improved in press formability when applied to a large automobile, and therefore, as shown in FIG. 7, one divided member divided in the longitudinal direction. In addition to X and other divided members Y, the two divided members are connected by spot welding or the like in a state in which one end portions of the divided members are polymerized. And in order to water-tightly connect and polymerize the terminal connecting portions of both the divided members X and Y, after applying the paste sealant Z to the terminal connecting portion side of one divided member X, the other divided members X and Y The terminal connecting portions of the two were polymerized and joined. With this configuration, the terminal connecting portions of the two divided members X and Y are joined together in a watertight manner by the interposition of the paste-like sealant Z as shown in FIG.

  However, the conventional connecting structure of the two divided members has a certain amount of paste because the paste-like sealant Z itself is pasty when the paste-like sealant Z is applied to the terminal connecting portion of one divided member X. It is difficult to apply the paste-like sealant Z with a uniform width and a uniform thickness. Moreover, when joining the terminal connecting portions of both divided members X and Y by spot welding S or the like, as shown in FIG. 8, the paste-like sealant Z is crushed and protrudes outside the overlapped portion of both terminal connecting portions. May end up. Since the protruding portion Z-1 of the paste-like sealant Z may adhere to other members and the like existing around it and become dirty, a wiping operation must be performed in a separate process. Furthermore, when the applied paste-like sealant Z joins both terminal connecting portions, there is a possibility that the paste-like sealant Z scattered will ignite due to the spatter. It can also be a thing.

  Therefore, in view of such unsolved problems in the conventional technology, the present invention should prevent protrusion from both end connection areas and prevent ignition from adhering to spatter during joining work such as spot welding. An object of the present invention is to provide a panel forming member structure that constitutes a vehicle body skeleton member of an automobile.

  The panel molded member structure constituting the vehicle body skeleton member of the automobile according to the present invention is such that a panel molded member such as a side sill reinforcing member that reinforces a side sill of an automobile is divided into one divided member and the other divided in the longitudinal direction. And the terminal connecting portions of the one divided member and the other divided member are polymerized, and the two terminal connecting portions are joined by spot welding or the like with a paste-like sealant interposed therebetween. In the case where it is configured by being connected and polymerized, the paste-like sealing agent injected into the sealing agent receiving groove is formed by recessing a sealing agent containing groove along the outer peripheral wall of the one terminal connecting portion. The two terminal connecting portions are joined to each other in a state of being in close contact with the inner wall of the terminal connecting portion of another divided member, and the two divided members are connected and polymerized.

  The above-described invention configured as described above is such that the paste-like sealant is injected into the sealant-accommodating groove formed in the terminal connecting portion of one divided member, so that it is uniform in the terminal connecting portion of one divided member. A seal component having a width and thickness can be easily formed without requiring skill.

  As a result, the above invention does not cause the paste-like sealant to protrude beyond the both end connecting portions in the joining operation such as spot welding between the both end connecting portions of one divided member and the other divided member, Can be prevented from adhering to and igniting.

  Moreover, in the above invention, the paste-like sealant can be brought into close contact with the outer wall of the terminal connecting portion of one divided member and the inner wall of the terminal connecting portion of the other divided member, and both divided members are connected and polymerized in a watertight state. Will be.

It is the perspective view which drawn the state which connected and comprised the side sill which is one of the vehicle body frame members of a motor vehicle to the center pillar. FIG. 2 is a perspective view of a side sill reinforcing member that is attached to the side sill in FIG. FIG. 3 is a partially enlarged perspective view drawn in a state where one divided member and another divided member constituting the side sill reinforcing member in FIG. 2 are disassembled and rotated 90 degrees. It is AA sectional drawing in FIG. It is sectional drawing similar to FIG. 4 drawn as other Examples of the press molding member which concerns on this invention. It is sectional drawing similar to FIG. 4 drawn as other Example of the press molding member which concerns on this invention. It is the fragmentary perspective view drawn in the state which decomposed | disassembled one division member and the other division member which comprise the side sill reinforcement member as a conventional press molding member, and rotated 90 degree | times. It is the perspective view expanded and drawn in the state which rotated the terminal connection part of one division member which comprises the side sill reinforcement member in FIG. 7, and another division member 90 degree | times.

  The panel forming member structure constituting the vehicle body skeleton member in the embodiment according to the present invention eliminates the protrusion to the outside of the both end connecting portions during the joining work such as spot welding, and spatters adhere and ignite. Configure to prevent.

  Next, with reference to the drawings, a panel forming member structure when employed in a side sill, which is one of the skeleton members of an automobile according to an embodiment employing the present invention, will be described. First, an embodiment according to the present invention will be described with reference to FIGS.

  As shown in FIG. 1, for example, as shown in FIG. 1, a panel molding member employed in one embodiment according to the present invention extends as a side sill 1 constituting a vehicle body side skeleton to a vehicle body side lower step portion in the front-rear direction. It is configured in a state where it is reinforced by the existing side sill reinforcing member 2. A lower end portion of the center pillar 8 is connected to the side sill 1 and the side sill reinforcing member 2.

  The side sill reinforcing member 2 is provided at both ends of a front floor panel (not shown) of the automobile so as to be attached to the side sill 1 extending in the front-rear direction, and press-molding the panel material so as to open to the vehicle interior side. Is formed into a substantially hat-shaped cross section.

  And since the side sill reinforcement member 2 is comprised as a elongate member extended in the front-back direction of a motor vehicle, as shown in FIG. 2, it divided | segmented in the front-back direction in order to make press formability favorable. One divided member 3 and another divided member 4 are configured. In addition, in the side sill reinforcing member 2, one end portions of both the divided members 3, 4 become terminal connecting portions 3 a, 4 a, so that the terminal connecting portion 3 a of one divided member 3 and the terminal connecting portion of the other divided member 4. 4a and 4a are joined together by spot welding or the like in a polymerized state.

  At the time of joining the two terminal connecting portions 3a, 4a, a paste-like sealing agent 5 is interposed between the two terminal connecting portions 3a, 4a. The paste-like sealant 5 is injected into the sealant-accommodating groove 6 formed in a bead shape in the terminal connecting portion 3a of the one divided member 3. And the sealing agent accommodation groove part 6 is recessedly provided over the whole region along the outer peripheral wall of the terminal connection part 3a, and is formed so that it may be located inward from the terminal of the terminal connection part 3a.

  Thus, in the state which injected the paste-form sealing agent 5 in the sealing agent accommodation groove part 6 formed in the terminal connection part 3a of the one division member 3, the outer wall of the terminal connection part 3a of the one division member 3 is made into another The inner wall of the terminal connecting portion 4a of the dividing member 4 is polymerized. And as shown in FIG. 4, both terminal connection part 3a, 4a will be joined by spot welding etc. As shown in FIG. As a result, the divided members 3 and 4 are connected to each other to constitute the side sill reinforcing member 2. In this one embodiment, the weld S is located on the end side of the terminal connecting portion 3a with respect to the paste-like sealant 5 in consideration of the intrusion direction of water from the outside. And the welding part S seals the both end connection parts 3a and 4a by water-tight contact | adherence by the paste-form sealing agent 5 interposing between the outer wall of the terminal connection part 3a, and the inner wall of the terminal connection part 4a. is doing.

  In one embodiment configured as described above, the paste-like sealant 5 is injected into the sealant-accommodating groove 6 formed in the terminal connecting portion 3a of the one divided member 3, so that one divided A sealing component having a uniform width and thickness can be easily formed on the terminal connecting portion 3a of the member 3 without requiring skill.

  As a result, the paste-like sealant 5 protrudes out of the both end connecting portions 3a, 4a during the joining work such as spot welding between the both end connecting portions 3a, 4a of the one divided member 3 and the other divided member 4. In addition, it is possible to prevent spatter from adhering and igniting.

  Moreover, in the above-described one embodiment, the paste-like sealant 5 can bring the outer wall of the terminal connecting portion 3a of one divided member 3 into close contact with the inner wall of the terminal connecting portion 4a of the other divided member 4, The split members 3 and 4 can be linked and polymerized in a watertight manner in close contact.

  Next, another embodiment according to the present invention will be described with reference to FIG. In this other embodiment, the position where the welded portion S is applied to both terminal connecting portions 3a and 4a is changed in consideration of the water intrusion position from the outside with respect to the above-described one embodiment. That is, the welding part S in the other embodiment shown in FIG. 5 takes into account the water intrusion direction different from that in the first embodiment from the outside, and the terminal connecting portion 4a is in contact with the paste-like sealant 5. It is located on the end side.

  In another embodiment configured as described above, the paste-like sealant 5 is injected into the sealant-accommodating groove 6 formed in the terminal connecting portion 3a of the one divided member 3 in the same manner as the one embodiment. As a result, a seal component having a uniform width and thickness can be easily formed on the terminal connecting portion 3a of one divided member 3 without requiring skill.

  As a result, also in such other embodiments, the paste-like sealant 5 is applied to the both end connecting portions 3a in the joining operation such as spot welding between the both end connecting portions 3a and 4a of the one divided member 3 and the other divided member 4. 4a can be prevented from protruding to the outside, and spatter can be prevented from being ignited and ignited.

  Moreover, also in the other embodiments, as in the first embodiment, the paste-like sealant 5 is applied to the outer wall of the terminal connecting portion 3a of the one divided member 3 and the terminal connecting portion 4a of the other divided member 4. The inner wall can be brought into close contact with each other, and the two divided members 3 and 4 can be linked and polymerized in a watertight manner in close contact.

  FIG. 6 shows still another embodiment employing the present invention. In yet another embodiment, as shown in FIG. 6, the sealant-accommodating groove 6 is formed in an open state at the end of one end connecting portion 3a, as compared to the other embodiments. It is different. The sealant accommodating groove 6 may be formed in a bead shape as illustrated in the same manner as in the other embodiments, but is not limited thereto, and may be formed in a step shape.

  In still another embodiment configured as described above, the paste-like sealant 5 is injected into the sealant-receiving groove portion 6 formed in the terminal connecting portion 3a of the one divided member 3 as in the above-described two embodiments. Since it did in this way, the seal | sticker structure part which has a uniform width | variety and thickness can be easily formed in the terminal connection part 3a of the one division member 3 without requiring skill.

  As a result, the paste-like sealant 5 protrudes out of the both end connecting portions 3a, 4a during the joining work such as spot welding between the both end connecting portions 3a, 4a of the one divided member 3 and the other divided member 4. In addition, it is possible to prevent spatter from adhering and igniting.

  In addition, in this other embodiment as well, as in the above two embodiments, the paste-like sealant 5 is applied to the outer wall of the terminal connecting portion 3a of one divided member 3 and the terminal connecting portion 4a of the other divided member 4. Can be brought into close contact with each other, and both split members 3 and 4 can be linked and polymerized in a watertight manner.

  Furthermore, since the paste-like sealant 5 is injected into the sealant-receiving groove 6 formed in an open state at the end of one end connection portion 3a, the connection polymerization between the both end connection portions 3a and 4a is performed. Later, some can be exposed and the worker can see the containment.

  The present invention described above is a side sill that reinforces the side sill of an automobile because it can prevent the spatter from sticking out and ignite during joining work such as spot welding. In order to improve press formability, panel members formed relatively long, such as reinforcing members, are formed by connecting the divided members formed before and after the longitudinal direction at the terminal connecting portion. It can be said that it is suitable for the panel forming member structure etc. which comprise the vehicle body frame | skeleton member of the made car.

1 Side sill 2 Side sill reinforcement member (panel molding member)
3 One divided member 3a Terminal connecting portion 4 Other divided member 4a Terminal connecting portion 5 Paste-like sealing agent 6 Sealing agent receiving groove portion

Claims (1)

  The panel forming member is composed of one divided member divided in the longitudinal direction and another divided member, and the terminal connecting portions of the one divided member and the other divided member are polymerized to each other. In the panel molding member structure that constitutes the vehicle body skeleton member of the automobile that is formed by joining and polymerizing the terminal connecting portion by joining by spot welding or the like with the paste-like sealant interposed, the one terminal connecting portion In a state where the sealing agent containing groove portion is recessed along the outer peripheral wall of the sealing member, and the paste-like sealing agent injected into the sealing agent containing groove portion is in close contact with the inner wall of the terminal connecting portion of the other divided member, A panel forming member structure constituting a vehicle body skeleton member of an automobile, wherein the both terminal connecting portions are joined to each other and the both divided members are connected and polymerized.

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