JP5300704B2 - Expandable filler - Google Patents

Description

  The present invention relates to a foamable filler that is disposed in an internal space of a hollow structure and is foamed and cured by heating to form a foam.

  A method of using a foamable filler when a foam is filled into a hollow structure such as an automobile pillar has been proposed. The foamable filler foams and cures when heated to form a foam. In order to fill the hollow structure with foam, after the foamable filler is placed in the internal space of the hollow structure, it is foamed from the foamable filler using heat generated during the drying process in the vehicle manufacturing process. Form the body. As this type of foamable filler, one having a notch and having a predetermined shape using the notch is known (see Patent Document 1). The foamable filler of Patent Document 1 includes a first foam base and a second foam base, and notches are formed at two locations on each foam base. And the notch part of each foaming base material is assembled | attached, and the 2nd foaming base material is supported by the 1st foaming base material in the curved state. This foamable filler is disposed in a hollow structure composed of an outer panel and an inner panel. The first foam base is brought into contact with the receiving surface formed in the vicinity of the flange portion of the outer panel, and the second foam member is brought into contact with the inner surface of the inner panel, whereby the foamable filler is a hollow structure. It is fixed in the interior space.

JP 2008-189310 A

  In the foamable filler as described above, after forming from the foamable material, a predetermined shape is formed using the notch. With such a foamable filler, it is possible to avoid forming a three-dimensional shape along the inner peripheral surface of the hollow structure at the time of molding, so that the molding of the foamable filler can be simplified. However, in a configuration in which a plurality of foam base materials are connected by the notch portions, manufacturing of parts and product management tend to be complicated. In addition, in order to position the foamable filler having a predetermined shape by the notch in the internal space of the hollow structure, a special receiving surface is formed on the panel and the foaming filler is attached. It becomes difficult to perform smoothly. In this respect, the use of the through-hole formed in the panel is effective in positioning the internal space of the hollow structure.

  The present invention has been made in view of such circumstances, and the object thereof is to reduce the number of components and maintain the bent shape in a predetermined shape when mounting to a panel having a through hole. It is to provide a foamable filler that can be made.

  In order to achieve the above object, the invention described in claim 1 is a foamable filler that foams and hardens to form a foam by being heated in a state of being disposed in the internal space of the hollow structure. And a body part that can be bent or bent, and a mounting insertion part that is inserted into a through-hole formed in the panel that constitutes the hollow structure and is fixed to the panel by being locked in the through-hole. And a main body connecting portion that connects the attachment insertion portion to an edge of the main body portion, and the main body portion has an insertion hole through which the attachment insertion portion is inserted, and the main body portion, the attachment The gist is that the insertion portion and the main body connecting portion are integrally formed.

  According to this configuration, the main body portion can be bent into a predetermined shape by inserting the attachment insertion portion into the insertion hole of the main body portion while bending or bending the main body portion. Furthermore, the main body part can be attached to the panel in a state where the main body part is bent into a predetermined shape by locking the attachment insertion part in the through hole. Thus, in a state where the attachment insertion portion is locked to the through hole, the attachment insertion portion is prevented from coming out of the insertion hole. Such a main body part, the attachment insertion part, and the main body connection part are integrally formed, so that the number of parts is reduced.

The gist of the invention described in claim 2 is that, in the foamable filler described in claim 1, the attachment insertion portion is configured to be locked in the insertion hole.
According to this configuration, the main body portion can be held in a predetermined shape by locking the attachment insertion portion in the insertion hole. Thereby, since the main-body part can be made into the state bent beforehand, the operation | work which curves a main-body part can be abbreviate | omitted in the step which attaches a foamable filler to a panel. Accordingly, it is possible to simplify the work of attaching the foaming filler to the panel.

  According to a third aspect of the present invention, in the foamable filler according to the first or second aspect, the main body connecting portion is inserted into the insertion hole and locked to the insertion hole. The gist is that the parts are provided integrally.

  According to this configuration, the main body portion can be held in a state of being bent into a predetermined shape by locking the locking portion to the insertion hole. Thereby, since the main-body part can be made into the state bent beforehand, the operation | work which curves a main-body part can be abbreviate | omitted in the step which attaches a foamable filler to a panel. Accordingly, it is possible to simplify the work of attaching the foaming filler to the panel. And in the state which attached the foaming filler to the panel, a latching | locking part will be arrange | positioned between a main-body part and a panel. Such a locking portion functions as a spacer between the main body portion and the panel. For this reason, when electrodeposition coating is applied to the panel, the electrodeposition liquid easily flows between the main body and the panel.

  According to a fourth aspect of the present invention, in the foamable filler according to any one of the first to third aspects, the main body portion has a shape having a longitudinal direction, and the attachment insertion portion is the It includes a first attachment insertion portion connected to a first end edge that is one end edge in the longitudinal direction and a second attachment insertion portion connected to a second end edge that is the other end edge in the longitudinal direction. And

  According to this configuration, the plurality of annular portions can be bent by inserting the first and second attachment insertion portions into the insertion holes and the through holes while bending or bending the main body portion. For this reason, the main body portion can be bent into a shape along the inner peripheral shape of the hollow structure, or the main body portion can be arranged in a region further away from the peripheral wall in the internal space of the hollow structure. . Thus, a freedom degree can be raised about the shape setting of a foaming filler.

  According to a fifth aspect of the present invention, in the foamable filler according to the fourth aspect, the main body portion has a first recess formed on the first end edge side with respect to the insertion hole, and more than the insertion hole. A second recess formed on the second edge side, wherein the second recess is located on a side edge opposite to the side edge on which the first recess is formed, and the first recess And it makes it a summary to be comprised so that the said 2nd recessed part may be engaged.

  According to this configuration, by utilizing the engagement of the first and second recesses, the annular portion formed by the main body portion on the first end side with respect to the insertion hole, and the main body on the second end side with respect to the insertion hole. Each shape and positional relationship of the annular portion formed by the portion can be defined and held in that state.

  According to the present invention, it is possible to reduce the number of parts, and it can be maintained in a state of being bent into a predetermined shape when being attached to a panel having a through hole.

The perspective view which shows the foamable filler of 1st Embodiment. The perspective view which shows an inner panel and the foamable filler made into the shape arrange | positioned to it. (A) is a fragmentary sectional view which shows the foamable filler arrange | positioned at the pillar for vehicles, (b) is sectional drawing which shows the foam with which the hollow structure was filled. The perspective view which shows the foamable filler of 2nd Embodiment. The perspective view which shows an inner panel and the foamable filler made into the shape arrange | positioned to it. The perspective view which shows the foaming filler of the modified example made into the shape arrange | positioned to an inner panel and it.

(First embodiment)
1st Embodiment which actualized this invention is described in detail based on FIGS. 1-3.
As shown in FIGS. 1 and 2, the foamable filler 11 includes a bendable main body portion 12 and first and second attachment insertion portions 13 for attaching the main body portion 12 to an inner panel 51 constituting a vehicle pillar. , 14. The main body portion 12 is provided with first and second main body connecting portions 15 and 16 that connect the first and second attachment insertion portions 13 and 14 to the edge of the main body portion 12. The main body 12 has first and second insertion holes 17 and 18 through which the first and second attachment insertion portions 13 and 14 are inserted. The main body part 12, the first and second attachment insertion parts 13 and 14, and the first and second main body connection parts 15 and 16 are integrally formed. Such a foamable filler 11 is foamed and hardened to form a foam by being heated in a state of being disposed in the internal space of the vehicle pillar.

  The main body portion 12 of the present embodiment has a shape having a longitudinal direction, and is configured to be bendable due to its flexibility. In the main body portion 12, a first attachment insertion portion 13 is connected to a first end edge 12 a as one end edge in the longitudinal direction via a first main body connection portion 15. In the main body 12, the second attachment insertion portion 14 is connected to the second end edge 12 b that is the other end edge in the longitudinal direction via the second main body connection portion 16.

  The first insertion hole 17 is formed on the second end edge 12 b side in the central portion of the main body portion 12. By inserting the first attachment insertion portion 13 into the first insertion hole 17, the first annular portion 19 is bent with the main body portion 12 on the first end edge 12 a side as a main portion. The second insertion hole 18 is formed on the first end 12 a side at the center of the main body 12. By inserting the second attachment insertion portion 14 into the second insertion hole 18, a second annular portion 20 is formed with the main body portion 12 on the second end edge 12 b side as a main portion.

  Here, the main body 12 includes a first recess 12c formed on the first end edge 12a side with respect to the second insertion hole 18 and a second recess formed on the second end edge 12b side with respect to the first insertion hole 17. And a recess 12d. The second recess 12d is positioned on the side edge opposite to the side edge where the first recess 12c is formed, and the first recess 12c and the second recess 12d are configured to be engaged. By such engagement, the shapes and positional relationships of the first and second annular portions 19 and 20 are defined and held in that state.

  The first main body connecting portion 15 is integrally provided with a first locking portion 21 that is inserted into the first insertion hole 17 and locked in the first insertion hole 17. The second main body connecting portion 16 is integrally provided with a second locking portion 22 that is inserted into the second insertion hole 18 and locked to the second insertion hole 18. Then, as shown in FIG. 2, in the foamable filler 11 before being attached to the inner panel 51, the main body portion 12 is fixed by using the locking of the first and second locking portions 21 and 22. Can be held in a bent state. That is, the shape of the first and second annular portions 19 and 20 is maintained by such locking.

  In the present embodiment, the first and second attachment insertion portions 13 and 14 can also be locked in the first and second insertion holes 17 and 18, respectively. Therefore, even when the locking of the first and second attachment insertion portions 13 and 14 is used, the main body portion 12 can be held in a state of being bent into a predetermined shape.

  Here, the first and second insertion holes 17 and 18 have a long hole shape extending in the longitudinal direction of the main body 12. The width dimensions of the first and second insertion holes 17 and 18 are narrower than the width dimensions of the first and second locking portions 21 and 22. And after inserting the 1st latching | locking part 21 in the 1st penetration hole 17 so that the width direction of the 1st latching | locking part 21 may follow the longitudinal direction of the 1st penetration hole 17 by the deformation | transformation which twists the main-body part 12, By restoring the deformation, the first locking portion 21 can be easily locked in the first insertion hole 17. Moreover, since the 2nd penetration hole 18 and the 2nd latching | locking part 22 are comprised similarly to the 1st penetration hole 17 and the 1st latching | locking part 21, the same latching operation can be implemented. In addition, the 1st and 2nd penetration holes 17 and 18 have penetrated in the thickness direction of the main-body part 12 which makes | forms a sheet form.

  As shown in FIGS. 2 and 3A, the inner panel 51 is formed with a first through hole 51a and a second through hole 51b. The first attachment insertion portion 13 described above is locked in the first through hole 51a by being restored after being inserted into the first through hole 51a using its elastic deformation. Similarly, the second attachment insertion portion 14 is locked to the second through hole 51b by being restored after being inserted into the second through hole 51b using the elastic deformation.

  The foamable filler 11 of this embodiment forms a sheet material from a foamable material, and forms the foamable filler material 11 having the above-described parts by punching the sheet material. Note that the sheet material can be molded by, for example, extrusion molding, injection molding, and roll molding. The sheet-like foaming filler 11 thus obtained has elasticity. The thickness of the sheet material, that is, the thickness of the foamable filler 11 is appropriately set according to the location where the foam is filled. In the foamable filler 11 applied to a part of a vehicle such as a vehicle pillar, the thickness of the sheet material is set to, for example, about 1 mm to 5 mm, and the width of the sheet material is set to, for example, about 5 mm to 100 mm. As a result, predetermined filling performance is easily obtained and foaming by external heating is easily performed.

  In addition to the base material, the foaming agent, and the crosslinking agent, the foamable material appropriately contains a filler, a plasticizer, and the like. Examples of the substrate include synthetic resins, elastomers, and rubbers. Examples of the synthetic resin include polyolefin, epoxy resin, phenol resin, urethane resin, acrylic resin, styrene resin, EVA (ethylene / vinyl acetate copolymer), and the like. Examples of the elastomer include RB (polybutadiene elastomer), SBS (styrene / butadiene / styrene block copolymer), SIS (styrene / isoprene / styrene block copolymer), SEBS (styrene / ethylene / butylene / styrene block copolymer) and the like. Can be mentioned. As rubber, NR (natural rubber), SBR (styrene / butadiene rubber), BR (butadiene rubber), NBR (nitrile rubber), CR (chloroprene rubber), IR (isoprene rubber), IIR (butyl rubber), EPDM (ethylene) And propylene diene terpolymer), UR (urethane rubber), ENR (epoxidized natural rubber), EPM (ethylene / propylene rubber), and the like. Examples of the foaming agent include azodicarbonamide and dinitropentamethylenetetramine, examples of the crosslinking agent include well-known dimethylurea and dicyandiamide, and examples of the filler include calcium carbonate, barium sulfate, ferrite, and silica.

Next, a method for using the foamable filler 11 will be described.
In order to make the foamable filler 11 have a predetermined shape, the first end 12 a side is curved, and the first attachment insertion portion 13 and the first locking portion 21 are inserted through the first insertion hole 17. Then, the first locking portion 21 is locked to the first insertion hole 17. The second locking portion 22 is also locked to the second insertion hole 18 in the same manner as the first locking portion 21. Then, the first and second annular portions 19 and 20 are bent by engaging the first and second recesses 12c and 12d. In addition, after engaging the 1st and 2nd recessed parts 12c and 12d, the 1st and 2nd latching | locking parts 21 and 22 can also be latched by the 1st and 2nd penetration holes 17 and 18, respectively. As described above, the foamable filler 11 is changed from the state before bending shown in FIG. 1 to the bent state shown in FIG. 2 and held in that state.

  In order to attach the foamable filler 11 to the inner panel 51, the first attachment insertion portion 13 is inserted into the first through hole 51a and the second attachment insertion portion 14 as shown in FIGS. Is inserted into the second through hole 51b, whereby the first and second attachment insertion portions 13, 14 are locked to the first and second through holes 51a, 51b. As described above, the first and second attachment insertion portions 13 and 14 are locked to the first and second through holes 51a and 51b, so that the first and second attachment insertion portions 13 and 14 are the first and second attachment holes 13a and 51b. It is possible to prevent the two insertion holes 17 and 18 from coming out. Thus, the foamable filler 11 is maintained in a bent state.

  Further, in a state where the foamable filler 11 is attached to the inner panel 51, the first and second locking portions 21 and 22 are disposed between the main body portion 12 and the inner wall surface of the inner panel 51. Such first and second locking portions 21 and 22 function as spacers between the main body portion 12 and the inner panel 51.

  As shown in FIG. 3A, a vehicle pillar 53 is formed by joining an outer panel 52 to the inner panel 51 to which the foamable filler 11 is attached. In this manner, the vehicular pillar 53 is subjected to electrodeposition coating in a state where the foamable filler 11 is disposed in the internal space. At this time, since the first and second locking portions 21 and 22 function as spacers between the main body portion 12 and the inner panel 51, the electrodeposition liquid is provided between the main body portion 12 and the inner wall surface of the inner panel 51. Becomes easier to flow in. For this reason, in the inner panel 51, the electrodeposition coating is sufficiently performed even around the first and second through holes 51a and 51b.

  Subsequently, the vehicle pillar 53 is heated at a predetermined temperature for a predetermined time through a vehicle drying process. By such heating, the foamable filler 11 is foamed and cured as shown in FIG. 3B, so that the foam 61 is filled into a predetermined position in the internal space of the vehicle pillar 53. Thus, in the vehicle pillar 53 filled with the foam 61, the strength, rigidity, vibration damping property, and the like are improved.

The effects exhibited by this embodiment will be described below.
(1) The first and second attachment insertion portions 13 and 14 inserted through the first and second insertion holes 17 and 18 are engaged with the first and second through holes 51a and 51b, so that the main body portion 12 is predetermined. The main body 12 can be attached to the inner panel 51 in a state of being bent into the shape. Thus, in the state where the first and second attachment insertion portions 13 and 14 are locked to the first and second through holes 51a and 51b, the first and second attachment insertion portions 13 and 14 are the first and second attachment portions. It is prevented from coming out from the insertion holes 17 and 18. Thereby, the main-body part 12 is maintained in the state bent in the predetermined | prescribed shape. And since these 1st and 2nd attachment insertion parts 13 and 14 and the 1st and 2nd main body connection parts 15 and 16 are shape | molded integrally, the number of parts is reduced. As described above, according to the foamable filler 11 of the present embodiment, the number of parts can be reduced, and when attached to a panel having a through hole, it can be maintained in a state of being bent into a predetermined shape. it can.

  (2) The first and second main body connecting portions 15 and 16 are integrally provided with first and second locking portions 21 and 22 that are inserted through the first and second insertion holes 17 and 18. The first and second locking portions 21 and 22 are configured to be locked to the first and second insertion holes 17 and 18. For this reason, the main-body part 12 can be hold | maintained in the state bent in the predetermined | prescribed shape. Thereby, even before the foamable filler 11 is attached to the inner panel 51, the main body portion 12 can be in a state of being bent in advance, so in the stage of attaching the foamable filler 11 to the inner panel 51, The work of bending the main body 12 can be omitted. Therefore, the work of attaching the foamable filler 11 to the inner panel 51 can be simplified.

  Moreover, in a state where the foamable filler 11 is attached to the inner panel 51, the first and second locking portions 21 and 22 are disposed between the main body portion 12 and the inner panel 51. The first and second locking portions 21 and 22 function as spacers between the main body portion 12 and the panel. For this reason, when electrodeposition coating is applied to the inner panel 51, the electrodeposition liquid easily flows between the main body 12 and the inner panel 51. Therefore, in the inner panel 51, the electrodeposition coating is sufficiently applied also around the first and second through holes 51a and 51b.

  (3) The main body 12 has a shape having a longitudinal direction. And the 1st attachment insertion part 13 is connected with the 1st end edge 12a, and the 2nd attachment insertion part 14 is connected with the 2nd end edge 12b. According to this configuration, a plurality of annular portions, that is, the first and second annular portions 19 and 20 can be formed. Therefore, for example, by changing the length from the first insertion hole 17 to the first end edge 12a or the length from the second insertion hole 18 to the second end edge 12b, the first and second annular rings are changed. The parts 19 and 20 can have different external dimensions. Thereby, the main body 12 can be bent into a shape along the inner peripheral shape of the vehicle pillar 53. In addition, by forming the first and second annular portions 19 and 20, the volume ratio of the main body portion 12 can be increased and disposed in a region further away from the peripheral wall in the internal space of the vehicle pillar 53. . Thereby, in the cross section of the vehicle pillar 53, the density of the foam 61 in the vicinity of the center can be easily brought close to the density of the foam 61 in the vicinity of the peripheral wall. As a result, the entire foam 61 filled in the internal space is obtained. The physical properties of can be stabilized. Thus, according to the structure which provided the 1st and 2nd attachment penetration parts 13 and 14, the foamable filler 11 which raised the freedom degree about shape setting can be provided.

  (4) Using the engagement of the first and second recesses 12c and 12d, the shapes and positional relationships of the first and second annular portions 19 and 20 can be defined and held in that state. By setting the first and second recesses 12c and 12d in this way, it becomes possible to further increase the degree of freedom of the shape and arrangement setting of the first and second annular portions 19 and 20.

  (5) The first and second attachment insertion portions 13 and 14 are configured to be engaged with the first and second insertion holes 17 and 18. Even if such locking is used, the main body portion 12 can be held in a state of being bent into a predetermined shape. Therefore, as described in the section (2) above, the work of attaching the foamable filler 11 to the panel Can be simplified.

  (6) The first and second locking portions 21 and 22 are configured to be locked to the first and second insertion holes 17 and 18. For this reason, when the foamable filler 11 is transported after the main body portion 12 is bent into a predetermined shape, for example, the foamable filler 11 is vibrated in the case in which the foamable filler 11 is accommodated. However, the bent state is maintained well.

(Second Embodiment)
A second embodiment that embodies the present invention will be described with reference to FIGS. 4 and 5 focusing on differences from the first embodiment.

  As shown in FIG. 4, the foamable filler 31 of this embodiment includes a bendable main body 32 and an attachment insertion portion 33 for attaching the main body 32 to the inner panel. The main body portion 32 is provided with a main body connecting portion 34 that connects the attachment insertion portion 33 to the edge of the main body portion 32. The main body portion 32 has an insertion hole 35 through which the attachment insertion portion 33 is inserted. The main body portion 32, the attachment insertion portion 33, and the main body connection portion 34 are integrally formed.

  A mounting insertion portion 33 is connected to the first end edge 32 a of the main body portion 32 via a main body connecting portion 34. The insertion hole 35 is biased to the second end edge 32b side of the main body 32. The attachment insertion portion 33 is configured to be locked in the insertion hole 35. In the foamable filler of the first embodiment, the main body connecting portion 34 is provided with a locking portion, but in this embodiment, the locking portion is omitted.

  As shown in FIG. 5, the foamable filler 31 configured in this manner is bent into a predetermined shape by the attachment insertion portion 33 being locked to the insertion hole 35 in the bent state. It is held in the state. And the main-body part 32 can be maintained in the state bent in the predetermined | prescribed shape by latching the attachment insertion part 33 in the through-hole 55a formed in the inner panel 55. FIG.

  According to the foamable filler 31 of the present embodiment, the same effects as those described in the above sections (1) and (5) can be obtained. Moreover, since the attachment insertion part 33 is comprised so that it may be latched by the insertion hole 35, when the foaming filler 31 is conveyed after bending the main-body part 32 in a predetermined | prescribed shape, it is foaming, for example. Even if the foamable filler 31 is vibrated in the case in which the expandable filler 31 is accommodated, the bent state is favorably maintained.

(Example of change)
The first and second embodiments may be modified as follows.
-In 1st Embodiment, although it is set as the main-body part 32 which has the 1st and 2nd insertion holes 17 and 18, you may change into the main-body part which has one insertion hole. That is, before the foamable filler 11 is attached to the inner panel 51, the first and second attachment insertion portions 13 and 14 are inserted and locked in one insertion hole, or the first and second engagements. You may comprise so that the stop parts 21 and 22 may be latched. After the foamable filler 11 is attached to the inner panel 51, the first and second locking portions 21 and 22 may be locked to one insertion hole.

  In the first and second embodiments, the first and second attachment insertion portions 13 and 14 and the attachment insertion portion 33 are locked to the first and second insertion holes 17 and 18 and the insertion hole 35, respectively. It is comprised so that. The first attachment insertion portion 13, the second attachment insertion portion 14, and the attachment insertion portion 33 may be configured not to be locked to the insertion holes 17, 18, and 35, respectively.

  In the first embodiment, at least one of the first and second locking portions 21 and 22 can be omitted. Further, the first and second recesses 12c and 12d can be omitted. In this case, as shown in FIG. 6, the first attachment insertion portion 13 is inserted into the second insertion hole 18, and the second attachment insertion portion 14 is inserted into the first insertion hole 17, thereby allowing two independent The annular portions 19 and 20 can be formed. Since the annular portions 19 and 20 can be separated according to the distance between the first and second insertion holes 17 and 18, the degree of freedom in setting the positions of the annular portions 19 and 20 can be increased.

-In 2nd Embodiment, the latching | locking part can also be provided in the main body connection part 34. FIG. Even in this case, an effect similar to the effect described in the above section (2) can be obtained.
In the first and second embodiments, the main body portions 12 and 32 can be bent, for example, by forming bent portions such as concave stripes in the main body portions 12 and 32, and the bent portions are used to form a predetermined shape. You may comprise so that it may be bent. For example, in the case of a main body having an increased thickness, it becomes easy to bend into a predetermined shape by forming a bent portion.

  The attachment location of the foamable fillers 11 and 31 is not limited to the inner panels 51 and 55, and may be, for example, an outer panel or a reinforcement panel. The hollow structure is not limited to the vehicle pillar, and may be a vehicle hollow structure that constitutes a vehicle door, a bumper, or the like. Moreover, you may apply to the hollow structure applied to the object for railroads, ships, aircrafts, and construction.

  -In 1st and 2nd embodiment, the shape of the main-body parts 12 and 32 is not specifically limited, For example, it can change suitably according to the internal shape of a hollow structure, the area | region filled with a foam, etc. In addition, it is suitable that a main-body part is a shape which has a longitudinal direction from a viewpoint of obstruct | occluding the cross section of a hollow structure by arrange | positioning along the inner periphery of a hollow structure.

The technical idea that can be grasped from the above embodiment will be described below.
(A) The main body portion has a shape having a longitudinal direction, and the attachment insertion portion is coupled to a first end edge that is one end edge in the longitudinal direction of the main body portion, and in the longitudinal direction of the main body portion. A foamable filler that is biased toward the second edge, which is the other edge, and in which the locking hole is located.

  (B) A foamable filler formed by punching a sheet material formed from a foamable material.

  DESCRIPTION OF SYMBOLS 11, 31 ... Foamable filler 12, 32 ... Main body part, 12a, 32a ... 1st edge, 12b, 32b ... 2nd edge, 12c ... 1st recessed part, 12d ... 2nd recessed part, 13 ... 1st Attachment insertion part, 14 ... 2nd attachment insertion part, 15 ... 1st main body connection part, 16 ... 2nd main body connection part, 17 ... 1st insertion hole, 18 ... 2nd insertion hole, 19 ... 1st annular part, 20 ... 2nd annular part, 21 ... 1st latching | locking part, 22 ... 2nd latching | locking part, 33 ... Attachment insertion part, 34 ... Main body connection part, 35 ... Insertion hole, 51,55 ... Inner panel, 51a ... 1st Through hole, 51b ... second through hole, 52 ... outer panel, 53 ... pillar for vehicle, 55a ... through hole, 61 ... foam.

Claims (5)

A foamable filler that forms a foam by foaming and curing by being heated in a state of being disposed in the internal space of the hollow structure,
A bendable or bendable body,
An attachment insertion part that attaches the main body part to the panel by being inserted into a through hole formed in the panel constituting the hollow structure and being locked in the through hole;
A main body connecting portion that connects the mounting insertion portion to an edge of the main body portion;
The main body portion has an insertion hole through which the attachment insertion portion is inserted,
The foamable filler, wherein the main body portion, the attachment insertion portion, and the main body connection portion are integrally formed. The foaming filler according to claim 1, wherein the attachment insertion portion is configured to be locked in the insertion hole. The foaming property according to claim 1 or 2, wherein the main body connecting portion is integrally provided with a locking portion that is inserted into the insertion hole and locked in the insertion hole. Filler. The main body has a shape having a longitudinal direction,
The attachment insertion portion includes a first attachment insertion portion connected to a first end edge that is one end edge in the longitudinal direction, and a second attachment insertion portion connected to a second end edge that is the other end edge in the longitudinal direction. The foamable filler according to any one of claims 1 to 3, further comprising a portion. The main body has a first recess formed on the first end edge side with respect to the insertion hole, and a second recess formed on the second end edge side with respect to the insertion hole,
The second recess is located on a side edge opposite to the side edge where the first recess is formed, and is configured such that the first recess and the second recess are engaged with each other. The foamable filler according to claim 4.

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