JP7188759B2 - Frame member joint structure and dismantling tool for frame member joint structure - Google Patents

Description

The present invention relates to a joint structure of frame members and a dismantling tool for the joint structure of frame members.

Patent Literature 1 listed below discloses a joined body in which a plate-like member and a pipe-like member are joined together. The joined body includes a thin plate having a plurality of through holes formed along the outer circumference, a fastening pin having a projecting portion that protrudes from a base and a contact surface of the base that is in contact with the thin plate and is inserted into the through hole, and the thin plate. a frame tube disposed opposite the base through the frame tube and constructed of the same material as the fastening pin. The thin plate is made of a material having a lower specific gravity than the material of which the fastening pin and the frame tube are made. Also, the ends of the frame tube and the projecting portion on the opposite side from the side connected to the base portion are joined together by energizing and partially melting and solidifying. Thereby, a plate-shaped member and a pipe-shaped member can be joined.

Japanese Patent Application Laid-Open No. 2018-179281

However, in the joined body described in Patent Document 1, an auxiliary member such as a fastening pin is required to join the plate-shaped member and the pipe-shaped member. Furthermore, since the fastening pin joins the plate-shaped member and the pipe-shaped member by partially melting and solidifying when energized, the joined plate-shaped member and the pipe-shaped member can be easily dismantled. is not. Therefore, it is desirable that the joint structure of the frame members can be constructed without using a separate auxiliary member and can be easily dismantled.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a frame member connection structure that can be constructed without using a separate auxiliary member and that can be easily dismantled.

According to claim 1, the connecting structure of frame members includes a frame member having a closed cross-sectional shape, a connecting member connected to the frame member, and a hole or groove having an opening in the outer peripheral portion of the frame member. a restrained portion formed; a cut portion formed by cutting a portion facing the restrained portion in an outer peripheral portion of the connecting member connected to the frame member on which the restrained portion is formed; a deforming portion that restrains the restrained portion inside the frame member by plastically deforming the cut portion.
In the frame member connecting portion structure according to claim 2, a portion corresponding to the deformed portion constitutes a part of the outer peripheral portion of the connecting member before the cut portion is plastically deformed.

According to the connecting portion structure of the frame member according to claim 1, the restrained portion provided on the outer peripheral portion of the frame member or the connecting member is connected to the frame member or the connecting member in which the restrained portion is formed. It is pressed by a deformed portion formed on the outer peripheral portion of the member or connecting member. This makes it possible to construct a connection structure in which the frame member and the connection member are connected without providing a separate auxiliary member. Moreover, since the joint structure can be configured without providing a separate auxiliary member, the joint structure can be made lightweight.

Further, the structure of the connecting portion of the frame member according to claim 1 is a structure in which the frame member and the connecting member are connected by restraining the restrained portion by the deformed portion that is plastically deformed. Therefore, by deforming the deformable portion so as to return to the state before deformation, the restraint by the deformable portion can be released, and the frame member and the connecting member can be dismantled. As a result, the connecting portion structure of the frame member can be made into a structure that can be easily dismantled.

According to a third aspect of the present invention, there is provided a frame member connecting portion structure according to the first aspect, wherein the deformation portion is formed by plastically deforming the cut portion by bending the cut portion into a substantially door-like shape. Press down the restrained part.

According to the connecting portion structure of the frame member according to claim 3 , the restrained portion is pressed against the deformed portion that is plastically deformed by bending the notch into a substantially door shape. Therefore, the deformable portion can reliably restrain the restrained portion.

According to claim 4 , there is provided a frame member connecting portion structure according to claim 1 or 2, wherein the connecting member constitutes a pillar of a vehicle, and the frame member includes the The roof side rails extend in the vehicle front-rear direction on both vehicle width direction outer sides of the upper portion of the vehicle, or the rockers extend in the vehicle front-rear direction on both vehicle width direction outer sides of the lower portion of the vehicle.

According to the connecting portion structure of the frame member according to claim 4 , the pillar and roof side rail or rocker of the vehicle can be constructed without using separate auxiliary members and can be easily dismantled. As a result, it is possible to construct a vehicle joint structure that is lightweight and recyclable and reusable.

In the dismantling tool for the connecting portion structure of the frame member according to any one of Claims 1 to 4 , the distal end portion is formed in a substantially plate shape and the restrained portion is a plurality of holding portions spaced apart from each other by a distance wider than the width of the opening, the rear ends of which are integrally formed, and which are elastically deformable in directions in which the tip portions approach and separate; A plurality of tapered portions having tapered surfaces folded back from the tip portion of the holding portion in a direction away from each other, and a plurality of tapered portions folded back from the rear end portion of the tapered portion in a direction approaching each other. is composed of

According to the dismantling tool for the connecting portion structure of the frame member according to claim 5 , the distal end portions of the plurality of holding portions elastically deformable in the approaching and separating directions are folded back in the mutually separating direction from the distal end portions. A plurality of tapered portions with tapered surfaces are provided. The distal end portion and the tapered portion of the holding portion are elastically deformed and approached to be inserted into the restrained portion pressed by the deforming portion. When the tapered portion is inserted further inside the restrained portion than the deformable portion, the holding portion and the tapered portion are elastically restored and spread apart from each other. engages the tip of the Therefore, the deformed portion can be removed from the restrained portion by pulling out from the restrained portion the dismantling tool whose reverse portion is engaged with the distal end of the deformed portion. As a result, the connection structure of the frame members can be easily dismantled.

As described above, the frame member connecting portion structure according to claim 1 has the excellent effect that it can be constructed without using a separate auxiliary member and can be easily dismantled.

In the connecting portion structure of the frame member according to claim 2, the restrained portion is pressed against the deformed portion that is plastically deformed by bending the notch into a substantially door shape. has the excellent effect of being able to constrain the

The joint structure of the frame member according to claim 3 has an excellent effect that it is possible to construct a lightweight, recyclable and reusable joint structure of a vehicle.

The dismantling tool for the connecting portion structure of the frame member according to claim 4 has an excellent effect that the connecting portion structure of the frame member can be easily dismantled.

FIG. 4 is a perspective view of a connecting portion structure of a frame member according to the first embodiment; FIG. 4 is a perspective view of a frame member and a connecting member that constitute the connecting portion structure of the frame member according to the first embodiment; FIG. 4 is a perspective view showing a frame member and a connecting member in the front pillar portion according to the first embodiment; FIG. 3B is a perspective view showing a state in which a connecting member is inserted into the frame member according to the first embodiment shown in FIG. 3A; 3C is a perspective view showing a state in which the connecting member is pressed by the deformed portion of the frame member shown in FIG. 3B; FIG. FIG. 4 is a perspective view showing a frame member and a connecting member in the roof side rail portion according to the first embodiment; FIG. 4 is a perspective view showing a state in which a connecting member is attached to a frame member according to the first embodiment; FIG. 4C is a vertical cross-sectional view of the frame member and connecting member taken along line CC shown in FIG. 4B; FIG. 4 is a perspective view showing a state in which a connecting member is pressed by a deformed portion of a frame member according to the first embodiment; FIG. 4E is a longitudinal cross-sectional view of the frame member and connecting member taken along line EE shown in FIG. 4D; 1 is a side view of a dismantling tool according to a first embodiment; FIG. FIG. 5 is a vertical cross-sectional view showing deformation of the dismantling tool when inserting the dismantling tool into the deformed portion of the frame member according to the first embodiment; FIG. 4 is a vertical cross-sectional view showing a state in which a reverse portion of the dismantling tool is engaged with the tip of the deformed portion of the frame member according to the first embodiment; FIG. 4 is a vertical cross-sectional view showing a state in which the deformed portion is pulled out by the dismantling tool according to the first embodiment; FIG. 4A is a side view and a bottom view of a first modified example of the dismantling tool according to the first embodiment; FIG. 8A is a side view and a bottom view of the dismantling tool elastically deformed when the first modified example of the dismantling tool according to the first embodiment is inserted into the restrained portion; FIG. 11 is a side view of a second modified example of the dismantling tool according to the first embodiment; FIG. 11 is a vertical cross-sectional view showing a state in which the reverse portion of the second modified example of the dismantling tool according to the first embodiment is engaged with the distal end of the deformed portion of the frame member; FIG. 10 is a perspective view of a frame member and a connecting member according to the second embodiment; FIG. 9B is a vertical cross-sectional view of the frame member and connecting member taken along line BB shown in FIG. 9A; FIG. 11 is a perspective view showing a state in which a connecting member is attached to a frame member according to the second embodiment; FIG. 9D is a longitudinal cross-sectional view of the frame member and connecting member taken along line DD shown in FIG. 9C; FIG. 11 is a perspective view showing a state in which a frame member is pressed by a deformed portion of a connecting member according to the second embodiment; FIG. 9E is a longitudinal cross-sectional view of the frame member and connecting member taken along line FF shown in FIG. 9E; FIG. 11 is a perspective view showing a state in which a frame member is pressed by a deformed portion of a connecting member according to a modified example of the second embodiment; FIG. 9G is a longitudinal cross-sectional view of the frame member and connecting member taken along line HH shown in FIG. 9G; FIG. 8 is a plan view of a deformed portion formed in a frame member according to a first modified example of the first embodiment; FIG. 5 is a perspective view of a frame member according to a first modified example of the first embodiment; FIG. 10 is a plan view of a deformed portion formed in a frame member according to a second modified example of the first embodiment; FIG. 11 is a perspective view of a frame member according to a second modified example of the first embodiment; FIG. 11 is a plan view of a deformed portion formed in a frame member according to a third modified example of the first embodiment; FIG. 11 is a perspective view of a frame member according to a third modified example of the first embodiment; FIG. 11 is a plan view of a deformed portion formed in a frame member according to a fourth modified example of the first embodiment; FIG. 11 is a perspective view of a frame member according to a fourth modified example of the first embodiment; FIG. 11 is a plan view of a deformed portion formed in a frame member according to a fifth modified example of the first embodiment; FIG. 11 is a perspective view of a frame member according to a fifth modified example of the first embodiment; FIG. 11 is a perspective view of a frame member according to a sixth modified example of the first embodiment;

(First embodiment)
1 to 11, a connecting portion structure of a frame member according to a first embodiment of the present invention will be described below. In the following figures, an arrow FR indicates the front side of the vehicle, an arrow IN indicates the inner side in the vehicle width direction, and an arrow UP indicates the upper side of the vehicle. Further, here, the right-hand direction and the left-hand direction are defined as the "vehicle right side" and the "vehicle left side", respectively, when facing the front side of the vehicle.

FIG. 1 shows a vehicle body side frame structure 10 to which a space frame structure is applied as an example of a frame member connecting portion structure according to the first embodiment. Here, the front side of the vehicle 12 and the left side of the vehicle 12 to which the vehicle body side frame structure 10 according to the present embodiment is applied are shown. A rocker (not shown) extends along the vehicle front-rear direction at the lower portion of the vehicle width direction outer side of the vehicle 12 . A front pillar 14 extends upward from the front end of the rocker. Further, a center pillar 16 extends toward the upper side of the vehicle at a substantially intermediate portion of the rocker in the vehicle front-rear direction. Upper ends of the front pillar 14 and the center pillar 16 are coupled to roof side rails 18 as frame members 22 extending in the longitudinal direction of the vehicle on both outer sides in the vehicle width direction of the upper portion of the vehicle 12 . A rocker, a front pillar 14, a center pillar 16, a roof side rail 18, and a rear pillar (not shown) extending along the vehicle vertical direction from the rear end of the rocker to the roof side rail 18 are made of a steel vehicle frame. is formed as The front pillar 14 and the roof side rail 18 are arranged symmetrically on both sides in the vehicle width direction. Therefore, in the following description, the center pillar 16 and the roof side rail 18 arranged on the left side of the vehicle will be described, and the description of the side structure on the right side of the vehicle will be omitted.

As shown in FIGS. 1 and 2 , the vehicle body side frame structure 10 is constructed by connecting a plurality of connecting members 32 and 42 to a frame member 22 that constitutes the roof side rail 18 . Specifically, a front joint member 32 as a connecting member constituting the front pillar upper 14</b>A is connected to the front end of the frame member 22 while being fitted into the roof side rail 18 . The frame member 22 is formed in a tubular shape having a substantially rectangular closed cross-sectional shape. Further, the front joint member 32 is configured by a solid member having a substantially rectangular closed cross-sectional shape.

A panel member 42 as a connecting member that constitutes the center pillar 16 is connected to a substantially intermediate portion of the frame member 22 in the vehicle front-rear direction with its upper end portion 44 in contact with the frame member 22 . The upper end portion 44 of the panel member 42 includes a web portion 44A extending in the vehicle vertical direction with the vehicle width direction as the plate thickness direction, and extending inward in the vehicle width direction from the upper and lower ends of the web portion 44A. It is configured including an upper flange portion 44B and a lower flange portion 44C. For this reason, the upper end portion 44 of the panel member 42 is formed in a substantially U shape that opens inward in the vehicle width direction when viewed from the front of the vehicle. It is formed so as to abut on the lower surface and the side surface on the outer side in the vehicle width direction.

As shown in FIG. 3A, the upper end portion 32A of the front joint member 32 fitted to the front end portion of the frame member 22 is provided with a substantially rectangular parallelepiped groove having an opening 34A on the outer peripheral surface on the front side of the vehicle. A first restrained portion 34 is formed as a portion. In addition, a first deformed portion 36 is formed as a deformed portion by cutting a portion facing the first restrained portion 34 in the front end portion of the frame member 22 into which the front joint member 32 is fitted. It is The frame member 22 is cut in a substantially H shape in plan view, and a first cut portion 38 is formed as a cut portion along the cut portion. The first deformation portion 36 is formed to be openable and closable toward the inside or outside of the frame member 22 by bending the end of the cut portion. In the following description and each drawing, for convenience, the deformed portion (first deformed portion 36) corresponds to the deformed portion (first deformed portion 36) in a state before being bent (the cut portion is plastically deformed). The part is expressed as a "deformation part". This point also applies to deformation portions other than the first deformation portion 36 (for example, the second deformation portion 48).

As shown in FIG. 4A, the upper surface of the frame member 22 against which the upper end portion 44 of the panel member 42 abuts is provided with a second restraint portion as a restrained portion provided with a hole having an opening 46A opened in the vertical direction of the vehicle. A restraining portion 46 is formed through. A second deformed portion 48 is formed by cutting a portion facing the second restrained portion 46 in the upper flange portion 44B of the upper end portion 44 of the panel member 42 that is abutted against the frame member 22. there is The upper flange portion 44B is cut in a substantially H shape in plan view, and a second cut portion 50 is formed as a cut portion along the cut portion. The second deformable portion 48 is formed in a door shape that can be opened and closed toward the vehicle upper side or the vehicle lower side of the upper flange portion 44B by bending the end of the cut portion.

Although the frame member 22 and the front joint member 32 have been described as having substantially rectangular closed cross-sections, they may be formed to have circular or substantially polygonal closed cross-sections.

Further, although the front joint member 32 has been described as being composed of a solid member having a substantially rectangular closed cross-sectional shape, it is not limited to this, and may be composed of a hollow member or the like.

Furthermore, the materials used for the frame member 22, the front joint member 32, and the panel member 42 are not limited to steel. It is sufficient that it is flexible and does not break due to plastic deformation when bent.

The operation and effect of this embodiment will be described below while describing a method for connecting the plurality of connecting members 32 and 42 to the frame member 22 .

As shown in FIG. 3B, the front joint member 32 has a first restrained portion 34 formed at its upper end portion 32A and a first deformed portion 36 formed at the front end portion of the frame member 22 and a plate of the frame member 22. It is fitted into the frame member 22 up to a position where it overlaps in the thickness direction. As shown in FIG. 3C , the first deforming portion 36 extends toward the first restrained portion 34 from a state in which the first restrained portion 34 overlaps the first deforming portion 36 and the frame member 22 in the plate thickness direction. be bent. Specifically, both end portions in the vehicle width direction of the first deformed portion 36 are positioned at the vehicle width direction substantially intermediate portions of the first cut portions 38 formed along the longitudinal direction of the frame member 22 as boundaries. It is bent toward the restrained portion 34 side.

The bent first deformation portion 36 is pressed against the inner peripheral surfaces of the first restrained portion 34 on both sides in the vehicle width direction. Therefore, the movement (displacement) of the front joint member 32 in the vehicle width direction is restrained by the first deformation portion 36 . Further, the portion of the first deformation portion 36 on the vehicle front side faces the inner peripheral surface of the first restrained portion 34 on the vehicle front side, and the portion of the first deformation portion 36 on the vehicle rear side faces the first restraint portion 34 . It faces the inner peripheral surface of the restraining portion 34 on the vehicle rear side. Therefore, the movement (displacement) of the front joint member 32 in the vehicle longitudinal direction and the vehicle width direction is restrained by the first deformation portion 36 . Thereby, the frame member 22 and the front joint member 32 can be connected without using a separate auxiliary member.

As shown in FIGS. 4B and 4C, the panel member 42 has a second restrained portion 46 formed by penetrating the upper surface of the frame member 22 from a second deformation portion 48 formed on the upper flange portion 44B of the upper end portion 44. and the frame member 22 in the thickness direction of the frame member 22 . As shown in FIGS. 4D and 4E , the second deforming portion 48 is formed from a state in which the second restrained portion 46 overlaps the second deforming portion 48 and the frame member 22 in the thickness direction of the frame member 22 . Both end portions of the insertion portion 50 in the vehicle front-rear direction are bent toward the second restrained portion 46 side. Specifically, the front end portion and the rear end portion of the second deformed portion 48 are separated from each other by a vehicle front-rear direction approximately intermediate portion of the second cut portion 50 formed along the longitudinal direction of the frame member 22 as a boundary. 2 is bent toward the restrained portion 46 side.

As shown in FIG. 4E , the bent second deformation portion 48 is pressed against the inner peripheral surfaces of the second restrained portion 46 on the vehicle front side and the vehicle rear side. Therefore, the movement (displacement) of the panel member 42 in the vehicle front-rear direction is restrained by the second deformation portion 48 . Further, the vehicle width direction inner portion of the second deformation portion 48 faces the vehicle width direction inner inner peripheral surface of the second restrained portion 46, and the vehicle width direction outer portion of the second deformation portion 48 faces the second restraint portion 46. It faces the inner peripheral surface of the restrained portion 46 on the outer side in the vehicle width direction. Therefore, the movement (displacement) of the panel member 42 in the vehicle front-rear direction and the vehicle width direction is restrained by the second deformation portion 48 . Thereby, the frame member 22 and the panel member 42 can be connected without using a separate auxiliary member.

The front joint member 32 and the panel member 42 are connected to the frame member 22 by simply pressing the deformation portions 36 and 48 against the inner peripheral surfaces of the restrained portions 34 and 46 . For this reason, for example, it can be easily dismantled with a tool as shown below.

FIG. 5 shows an example of a dismantling tool 52 for dismantling the vehicle body side frame structure 10. As shown in FIG. The dismantling tool 52 has a flat plate-shaped front end portion, is arranged apart from each other by a distance wider than the width of the openings 34A, 46A of the restrained portions 34, 46, and is integrally formed at the rear end portion. A plurality of holding portions 54 are provided. The plurality of holding portions 54 are formed so as to be elastically deformable in directions in which respective distal end portions approach and separate from each other. Thereby, the dismantling tool 52 is formed in a so-called tweezers shape. The holding portion 54 is held by, for example, a machine or a human hand when the dismantling tool 52 is used. The dismantling tool 52 also includes a plurality of tapered portions 56 having tapered surfaces 56A that are folded back from the distal end portion of the holding portion 54 in a direction away from each other. Further, at the rear end portion of the tapered portion 56, a plurality of bent portions 58 are formed by folding back from the rear end portion of the tapered portion 56 in a direction approaching each other. The tapered portion 56 is folded back to form a plate-like (planar) reverse portion 58 whose surface direction is substantially the same as the longitudinal direction of the holding portion 54 .

FIGS. 6A to 6C show, as an example, a dismantling method of the connecting portion between the frame member 22 and the panel member 42 using the dismantling tool 52. FIG. First, the dismantling tool 52 is inserted inside the second restrained portion 46, as shown in FIG. 6A. By elastically deforming the holding portion 54, the pair of tapered portions 56 approach each other. For this reason, by making the distance between the pair of reversed portions 58 narrower than the width of the opening 46A of the second restrained portion 46 against which the second deformed portion 48 is pressed, the tapered portion 56 of the dismantling tool 52 can be moved to the second position. It can be inserted inside the restrained portion 46 (chain double-dashed line in FIG. 6A).

Next, as shown in FIG. 6B , when the tapered portion 56 moves to the lower side of the vehicle than the distal end of the second deformation portion 48 , the narrowed gap between the tapered portions 56 expands due to the elastic recovery of the holding portion 54 . be done. Therefore, the anti-part 58 engages with the tip of the second deformation portion 48 .

Finally, as shown in FIG. 6C , the dismantling tool 52 is pulled out from the second restrained portion 46 while the opposite portion 58 is engaged with the distal end of the second deforming portion 48, whereby the second deforming portion 52 is pulled out. The portion 48 and the panel member 42 connected thereto are lifted to the vehicle upper side of the frame member 22 . Therefore, the second deformable portion 48 can be removed from the second restrained portion 46 . As a result, the vehicle body side frame structure 10 can be easily dismantled.

FIGS. 7A and 7B show a dismantling tool 60 as a first modified example of the dismantling tool, which has curved portions 62 in four directions (four surfaces) of front and rear and left and right. As a result, as shown in FIG. 10B, for example, the connecting portion structure 90 of the frame member, in which all the inner peripheral surfaces of the restrained portion 34 are pressed by the deforming portions 92, can be dismantled. Further, as shown in FIG. 14B, for example, it is possible to dismantle the connecting portion structure 130 of the frame member in which the inner peripheral surface formed in a substantially cylindrical shape is pressed by the deformation portion 132 .

8A and 8B show, as a second modified example of the dismantling tool, a dismantling tool 64 in which a bent groove portion 66A is formed by bending a bent portion 66 toward the tip portion side of the dismantling tool 64. It is shown. By forming the reversing groove portion 66A, the reversing portion 66 can be more reliably engaged with the tip of the second deformation portion 48. As shown in FIG. Therefore, the second deformable portion 48 can be easily removed from the second restrained portion 46 as shown in FIG. 8B.

According to the vehicle body side frame structure 10 according to this embodiment, the restrained portions 34 and 46 provided on the outer peripheral portion of the frame member 22 or the front joint member 32 are formed on the outer peripheral portion of the frame member 22 or the panel member 42. The deformed portions 36, 48 are pressed down. Accordingly, the vehicle body side frame structure 10 in which the frame member 22, the front joint member 32, and the panel member 42 are connected can be configured without providing a separate auxiliary member. Furthermore, since the vehicle body side frame structure 10 can be constructed without providing separate auxiliary members, the weight thereof can be reduced.

Further, the vehicle body side frame structure 10 according to the present embodiment is configured such that the restrained portions 34 and 46 are simply pressed against the deformed portions 36 and 48 that have been bent and plastically deformed. Therefore, the deformed portions 36 and 48 that have been bent can be dismantled by unbending them. As a result, the vehicle body side frame structure 10 can be easily dismantled. Furthermore, the vehicle body side frame structure 10 can be easily dismantled by using the dismantling tool 52 having the reverse portion 58 .

As described above, the vehicle body side frame structure 10 according to the present embodiment can be configured without using separate auxiliary members and can be easily dismantled.

(Second embodiment)
Next, a second embodiment of the connecting portion structure of the frame member according to the present invention will be described with reference to FIGS. 9A to 9H. In addition, about the same component part as 1st Embodiment mentioned above, the same number is attached and the description is abbreviate|omitted.

FIGS. 9A and 9B show a vehicle body side frame structure 70 as an example of the frame member connection structure according to the present embodiment. The web portion 44A of the upper end portion 44 of the panel member 42 abutted against the frame member 22 is formed with a third restrained portion 72 as a restrained portion provided with a hole having an opening 72A opened in the vehicle width direction. It is In addition, on the outer peripheral surface of the frame member 22 on which the upper end portion 44 of the panel member 42 abuts, a third deformation portion 74 is formed as a deformation portion by cutting a portion facing the third restrained portion 72 . formed. The outer peripheral surface of the frame member 22 on the outer side in the vehicle width direction is cut in a substantially U shape when viewed from the side of the vehicle, and a third cut portion 76 is formed along the cut portion. ing. The third deformable portion 74 is formed in a door shape that can be opened and closed toward the vehicle width direction inner side or the vehicle width direction outer side of the frame member 22 by bending the upper end portion of the cut portion.

As shown in FIGS. 9C and 9D, the panel member 42 includes a third constrained portion 72 formed on the web portion 44A of the upper end portion 44 and a third constrained portion 72 formed on the outer peripheral surface of the frame member 22 on the vehicle width direction outer side. The third deformation portion 74 is brought into contact with the frame member 22 at a position overlapping the frame member 22 in the plate thickness direction. At this time, the third deformation portion 74 bent outward in the vehicle width direction is inserted into the third restrained portion 72 .

As shown in FIGS. 9E and 9F, the third deformable portion 74 inserted into the third restrained portion 72 is bent toward the lower side of the vehicle. Further, as shown in FIG. 9F, the third deforming portion 74 is bent to crimp the third restrained portion 72 . Thereby, the panel member 42 and the frame member 22 are connected.

The third deformation portion 74 inserted into the third restrained portion 72 may be bent toward the vehicle upper side as shown in FIGS. 9G and 9H. Further, as shown in FIG. 9H, the panel member 42 and the frame member 22 may be connected by folding the third deformable portion 74 into crimping contact with the third restrained portion 72 .

(Action and effect of the second embodiment)
According to the vehicle body side frame structure 70 according to this embodiment, the third restrained portion 72 provided on the panel member 42 is pressed by the third deformation portion 74 formed on the outer peripheral portion of the frame member 22 . Accordingly, the vehicle body side frame structure 70 in which the frame member 22 and the panel member 42 are connected can be constructed without providing a separate auxiliary member. Furthermore, since the vehicle body side frame structure 70 can be configured without providing a separate auxiliary member, its weight can be reduced.

(First modification)
Next, a first modification of the first and second embodiments will be described with reference to FIGS. 10A and 10B. In addition, about the same component as this embodiment mentioned above, the same number is attached and the description is abbreviate|omitted.

In the vehicle body side frame structure 90 according to this modified example, for example, as shown in FIG. 10A, the outer peripheral portion of the frame member 22 is provided with a deformed portion 92 having a substantially square shape in plan view. . A substantially square-shaped opening 92</b>A similar to the outer shape of the deformable portion 92 is formed in a substantially central portion inside the deformable portion 92 . The deformed portion 92 is formed with cut portions 94 along straight lines connecting the vertexes of the square formed by the opening 92A and the vertexes of the square forming the deformed portion 92, respectively. Therefore, as shown in FIG. 10B, four bent portions 96 are formed on the outer peripheral portion of the opening 92A. The four bent portions 96 are folded inside the first restrained portion 34 with the four sides of the square forming the deformation portion 92 as the ends.

According to the vehicle body side frame structure 90 according to this modified example, the first restrained portion 34 provided on the outer peripheral portion of the hollow front joint member 32 is replaced by the deformed portion 92 formed on the outer peripheral portion of the frame member 22 . is suppressed by Accordingly, the vehicle body side frame structure 90 in which the frame member 22 and the front joint member 32 are connected can be configured without providing a separate auxiliary member.

(Second modification)
Next, a second modification of the first and second embodiments will be described with reference to FIGS. 11A and 11B. In addition, about the same component as this embodiment mentioned above, the same number is attached and the description is abbreviate|omitted.

In the vehicle body side frame structure 100 according to this modified example, for example, as shown in FIG. 11A, the outer peripheral portion of the frame member 22 is provided with a deformed portion 102 formed in a substantially square shape in plan view. . A substantially square-shaped opening 102</b>A similar to the outer shape of the deformable portion 102 is formed in the substantially central portion inside the deformable portion 102 . A notch 104 is formed in the deformable portion 102 along a straight line obtained by extending the side of the square formed by the opening 102A to the outer peripheral portion of the deformable portion 102 . Therefore, as shown in FIG. 11B, four bent portions 106 are formed on the outer peripheral portion of the opening 102A. The four bent portions 106 are folded inside the first restrained portion 34 with the four sides of the square forming the deformation portion 102 as the ends.

According to the vehicle body side frame structure 100 according to this modified example, the first restrained portion 34 provided on the outer peripheral portion of the hollow front joint member 32 is the deformed portion 102 formed on the outer peripheral portion of the frame member 22 . is suppressed by Accordingly, the vehicle body side frame structure 100 in which the frame member 22 and the front joint member 32 are connected can be configured without providing a separate auxiliary member.

(Third modification)
Next, a third modification of the first and second embodiments will be described with reference to FIGS. 12A and 12B. In addition, about the same component as this embodiment mentioned above, the same number is attached and the description is abbreviate|omitted.

In the vehicle body side frame structure 110 according to this modified example, for example, as shown in FIG. 12A, the outer peripheral portion of the frame member 22 is provided with a deformed portion 112 having a substantially square shape in plan view. . A substantially square-shaped opening 112</b>A similar to the outer shape of the deformable portion 112 is formed in the substantially central portion inside the deformable portion 112 . In the deformation portion 112 , a notch portion 114 is formed along a straight line obtained by extending two opposite sides of the square formed by the opening 112</b>A to the outer peripheral portion of the deformation portion 112 . Therefore, as shown in FIG. 12B, four bent portions 116 are formed on the outer peripheral portion of the opening 112A. The four bent portions 116 are folded inside the first restrained portion 34 with the four sides of the square forming the deformed portion 112 as the ends.

According to the vehicle body side frame structure 110 according to this modified example, the first restrained portion 34 provided on the outer peripheral portion of the hollow front joint member 32 is replaced by the deformed portion 112 formed on the outer peripheral portion of the frame member 22 . is suppressed by Accordingly, the vehicle body side frame structure 110 in which the frame member 22 and the front joint member 32 are connected can be configured without providing a separate auxiliary member.

(Fourth modification)
Next, a fourth modification of the first and second embodiments will be described with reference to FIGS. 13A and 13B. In addition, about the same component as this embodiment mentioned above, the same number is attached and the description is abbreviate|omitted.

In the vehicle body side frame structure 120 according to this modified example, for example, as shown in FIG. 13A, the outer peripheral portion of the frame member 22 is provided with a deformed portion 122 formed in a substantially square shape in plan view. . In the deformed portion 122, notches 124 are formed along two opposite sides of the square. Therefore, as shown in FIG. 13B, the deformation portion 122 formed with the cut portion 124 is plastically deformed in an arc shape toward the first restrained portion 34, thereby pushed inward.

According to the vehicle body side frame structure 120 according to this modified example, the first restrained portion 34 provided on the outer peripheral portion of the hollow front joint member 32 is replaced by the deformed portion 122 formed on the outer peripheral portion of the frame member 22 . is suppressed by Accordingly, the vehicle body side frame structure 120 in which the frame member 22 and the front joint member 32 are connected can be configured without providing a separate auxiliary member.

(Fifth modification)
Next, a fifth modification of the first and second embodiments will be described with reference to FIGS. 14A and 14B. In addition, about the same component as this embodiment mentioned above, the same number is attached and the description is abbreviate|omitted.

In the vehicle body side frame structure 130 according to this modified example, for example, as shown in FIG. 14A, the outer peripheral portion of the frame member 22 is provided with a deformed portion 132 formed in a substantially circular shape in plan view. . A substantially circular opening 132</b>A similar to the outer shape of the deformable portion 132 is formed in the substantially central portion inside the deformable portion 132 . Therefore, as shown in FIG. 14B, the deformation portion 132 formed with the opening 132A is plastically deformed in a substantially inverted truncated cone shape toward the first restrained portion 34, thereby pushed inside.

According to the vehicle body side frame structure 130 according to this modified example, the first restrained portion 34 provided on the outer peripheral portion of the hollow front joint member 32 is replaced by the deformed portion 132 formed on the outer peripheral portion of the frame member 22 . is suppressed by Accordingly, the vehicle body side frame structure 130 in which the frame member 22 and the front joint member 32 are connected can be configured without providing a separate auxiliary member.

(Sixth modification)
Next, a sixth modification of the first and second embodiments will be described with reference to FIG. 15 . In addition, about the same component as this embodiment mentioned above, the same number is attached and the description is abbreviate|omitted.

In the vehicle body side frame structure 140 according to this modified example, for example, as shown in FIG. 15, deformed portions 142 formed in a substantially rectangular shape in plan view are provided at the corners of the frame member 22 . The deformation portion 142 is formed with a notch portion 144 that is cut in a substantially H shape in a plan view. The deformation portion 142 is bent at its end and folded inside the first restrained portion 34 .

According to the vehicle body side frame structure 140 according to this modified example, the first restrained portion 34 provided on the outer peripheral portion of the hollow front joint member 32 is replaced by the deformed portion 142 formed on the outer peripheral portion of the frame member 22 . is suppressed by Accordingly, the vehicle body side frame structure 140 in which the frame member 22 and the front joint member 32 are connected can be configured without providing a separate auxiliary member.

10 Body side frame structure (connection structure of frame members)
12 vehicle 14 front pillar 18 roof side rail 22 frame member 32 front side joint member (connecting member)
34 first restrained part (restrained part)
36 first deformation section (deformation section)
38 first notch (notch)
42 Panel member (connecting member)
46 second restrained part (restrained part)
48 second deformation section (deformation section)
50 second notch (notch)
52 Dismantling tool 54 Holding part 56 Tapered part 56A Tapered surface 58 Opposite part 60 Dismantling tool 62 Opposite part 64 Dismantling tool 66 Opposite part 70 Vehicle body side frame structure (connection structure of frame members)
72 third restrained part (restrained part)
74 third deformation section (deformation section)
76 third notch (notch)
90 Body side frame structure (connection structure of frame members)
92 deformation part 100 vehicle body side frame structure (connection part structure of frame members)
102 deformation part 110 vehicle body side frame structure (connection part structure of frame members)
112 deformation part 120 vehicle body side frame structure (connection part structure of frame members)
122 deformation part 130 vehicle body side frame structure (connection part structure of frame members)
132 deformation part 140 vehicle body side frame structure (connection part structure of frame members)
142 Deformation

Claims (5)

a frame member having a closed cross-sectional shape;
a connecting member connected to the frame member;
a restrained portion in which a hole or groove having an opening is formed in the outer peripheral portion of the frame member;
In the outer peripheral portion of the connecting member connected to the frame member in which the restrained portion is formed, a cut portion is formed by cutting a portion facing the restrained portion, and the cut portion is plastically deformed. a deforming portion that restrains the restrained portion inside the frame member by
frame member joint structure comprising: 2. The frame member connecting portion structure according to claim 1, wherein a portion corresponding to said deformed portion constitutes a part of said outer peripheral portion of said connecting member before said cut portion is plastically deformed. 3. The frame member connecting portion structure according to claim 1, wherein the deformation portion presses the restrained portion by plastically deforming the cut portion by bending the cut portion into a substantially door shape. The connecting member constitutes a pillar of the vehicle, and the frame member is a roof side rail extending in the vehicle front-rear direction on both outer sides in the vehicle width direction of the upper portion of the vehicle, or a roof side rail extending in the vehicle front-rear direction on both outer sides in the vehicle width direction of the lower portion of the vehicle. 4. The frame member connecting portion structure according to claim 1, wherein the rocker extends in the longitudinal direction of the vehicle. Each front end portion is formed in a substantially plate shape and is spaced apart from each other by a distance wider than the width of the opening of the restrained portion. a plurality of holding portions that are elastically deformable in a direction of separation;
a plurality of tapered portions provided with tapered surfaces folded back in a direction away from each other from the distal end portions of the plurality of holding portions;
a plurality of reversed portions folded back from the rear end portion of the tapered portion in a direction approaching each other;
5. A dismantling tool for a connecting portion structure of frame members according to any one of claims 1 to 4, comprising:

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