JPH0588918U - Resin insert material for foam substrate - Google Patents

Abstract

(57) [Summary] [Purpose] A base portion 18, a through hole 22 having a size through which a neck portion of a fastener can pass and a base portion of a fastener cannot pass, and a base portion of a fastener which communicates with the through hole 22 and can be inserted. Fastening member holding portion 20 having insertion hole 24 of a size
In the insert material of the foamed base material including the above, although the through hole 22 and the insertion hole 24 can be molded in a closed state, the demolding work is easy and the through hole 22 and the insertion hole are formed. Make sure the area around 24 is not damaged. [Structure] An insert material cover portion 32 is provided on the base portion 18 via a first thin hinge portion 34. The insert material cover portion 32 is composed of an opening portion cover 38 and a holding portion cover 40 that are connected via a second thin hinge portion 36. The holder cover 40 rotates about the second thin hinge 36 to open or close the through hole 22 and the insertion hole 24.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a resin insert material for a foam base material, and in particular, it comprises a base part, a held part held by a mating member, and a neck part connecting the base part and the held part. The present invention relates to a resin insert material for a foam base material that holds a fastening member.

[0002]

[Prior Art]

 As the resin insert material for the foamed base material, as shown in Japanese Utility Model Publication No. 3-109813, a plate-shaped base portion embedded in the foamed base material and the base portion are opposed to each other with a space therebetween. And a plate-shaped fastening member holding portion having a through hole having a size through which the neck portion of the fastening member can pass and the base portion of the fastening member cannot pass, and the base portion and the fastening member holding portion. It is known that there is provided a side wall portion which is provided so as to connect with the through hole and which communicates with the through hole and has an insertion hole having a size capable of inserting the base portion of the fastening member.

This resin insert material is firmly adhered to the foamed base material by embedding the base portion in the foamed base material when molding the foamed base material such as a vehicle door panel, while foaming the foamed base material. After the base material is molded, the base portion of the fastening member made of a fastener or the like for fastening the foamed base material to the vehicle body is inserted through the through hole of the side wall portion into the through hole of the fastening member holding portion to form the base portion of the fastening member. Is to hold.

By the way, at the time of molding of the foamed base material, the foamed resin material is passed from the through hole of the side wall portion of the resin insert material or the through hole of the fastening member holding portion to the space portion between the base portion and the fastening member holding portion. If it enters, the base portion of the fastening member cannot be inserted from the through hole into the through hole after the foamed base material is molded. Therefore, in the above publication, the through hole cover for covering the through hole of the side wall portion of the resin insert material is provided. A molding part is provided with a protrusion having a portion (55a) and a through hole cover (55b) covering the through hole of the fastening member holding part, and the protrusion is provided at the time of molding, and the side wall of the resin insert material is inserted and fastened. By fitting into the through hole of the member holding portion, the foamed resin material is prevented from entering the space portion.

[0005]

[Problems to be solved by the device]

 However, when the above-mentioned protrusion is fitted in the through hole of the fastening member holding portion of the resin insert material and the insertion hole of the side wall and the protrusion is used to close the through hole and the insertion hole, molding is performed. When the mold is removed after molding, it is difficult to separate the protruding part of the mold from the through hole and insertion hole of the resin insert material, which makes it difficult to remove the mold and the through hole and insertion hole of the resin insert material. There is a problem that the peripheral part of is easily damaged.

In view of the above, the present invention facilitates demolding work and allows resin to be removed at the time of demolding even though the resin insert material can be molded in a state in which the through hole and the through hole are closed. The purpose is to prevent damage to the through holes and peripheral parts of the insertion holes in the insert material.

[0007]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the present invention provides a hinge portion for an insert material cover that opens or closes a through hole and an insertion hole in an insert material main body portion including a base portion, a fastening member holding portion, and a side wall portion. It is provided integrally via.

[0008] Specifically, the solution means taken by the present invention is that a part to be held which is inserted into a foamed base material and is held by a base part and a mating member and the base part and the base part connecting the held part has a smaller diameter. Targeting a resin insert material to a foam base material that holds a fastening member composed of a neck part, and a plate-like base part embedded in the foam base material and provided so as to face the base part at a distance. And a through hole having a size through which the neck portion of the fastening member can pass and a base portion of the fastening member cannot pass through, and an insertion hole having a size that communicates with the through hole and allows the base portion of the fastening member to pass through. An insert material main body including a plate-shaped fastening member holding portion and a side wall portion provided so as to connect the base portion and the fastening member holding portion, and the insert material main portion via the first hinge portion. While provided integrally, A second hinge part formed with a gap from the hinge part is provided, and the through hole and the insertion hole of the fastening member holding part are opened by rotating around the first hinge part and the second hinge part. It is configured to include an insert material cover portion that is closed or blocked.

[0009]

[Action]

 With the above configuration, the insert material main body is integrally provided through the first hinge portion, and the second hinge portion is formed with a gap from the first hinge portion. (2) Since it has an insert material cover part that opens and closes the through hole and the insertion hole of the fastening member holding part by rotating around the hinge part, the first hinge part and the second hinge part during molding. The through hole and the insertion hole can be closed by rotating the insert material cover part toward the fastening member holding part side, and after the mold is removed, the first hinge part and the second hinge part are mainly used. The through hole and the insertion hole can be opened by rotating the insert material cover part in the direction away from the fastening member holding part.

Further, since the insert material cover portion is made of resin and has flexibility, when the insert material cover portion is rotated in a direction away from the fastening member holding portion after demolding, the through hole and the insertion hole are flexed. The holes can be opened.

Furthermore, since the insert material cover portion is provided integrally with the insert material main body portion, the number of parts does not increase.

[0012]

【Example】

 Embodiments of the present invention will be described below with reference to the drawings.

The resin insert material A for the foam base material according to the present embodiment is inserted into a vehicle door trim B as a foam base material and held by the door trim B, while the door trim B is used as a mating member. The fastener C as a fastening member that is fastened to the vehicle body (door trim) as described above is held.

1 and 2 are perspective views of a resin insert material A on a foam substrate according to an embodiment of the present invention, and FIGS. 3 and 4 show a state in which the resin insert material A is inserted into a door trim B. Fig. 3 shows a sectional structure of Fig. 3, a sectional view taken along the line III-III in Fig. 2, a sectional view taken along the line IV-IV in Fig. 2, and a state where the resin insert material A is inserted into the door trim B. 6 is a perspective view showing a state where the resin insert material A holds the fastener C, and FIG. 7 is a sectional view showing a state where the fastener C is held by the resin insert material A.

As shown in FIGS. 6 and 7, the fastener C includes a disc-shaped base portion 10, a disc-shaped locking portion 12 provided at a predetermined distance from the base portion 10, and a base portion. 10, a neck portion 14 formed to have a smaller diameter than the locking portion 12 and the locking portion 12, and connecting the base portion 10 and the locking portion 12, and a substantially conical shape provided so as to project from the locking portion 12 and having flexibility in the radial direction. The fastener C is configured to fasten the door trim B to the door panel via the resin insert material A by fitting the retained portion 16 to a door panel (not shown). ..

In FIGS. 1 and 2, reference numeral 18 denotes a rectangular plate-shaped base portion embedded in the foaming base material B, and 20 denotes a rectangular plate-shaped base portion that is provided so as to face the base portion 18 at a distance. The fastening member holding portion 20 has a circular through hole 22 having a size through which the neck portion 14 of the fastener C can pass and the base portion 10 of the fastener C cannot pass, and the through hole. 6, a trapezoidal insertion hole 24 having a size that allows the base portion 10 of the fastener C to be inserted in an oblique direction is formed. Further, in the figure, reference numeral 26 denotes a side wall portion provided so as to connect the base portion 18 and the fastening member holding portion 20, and the side wall portion 26 is provided with the insertion hole 24 on the insertion hole 24 side. A communicating rectangular opening 28 is formed, and the insert member main body 30 is constituted by the base portion 18, the fastening member holding portion 20, and the side wall portion 26 described above.

On the opening 28 side of the base portion 18 of the insert material main body portion 30, a rectangular plate-shaped insert material cover portion 32 is inserted through a first thin-walled hinge portion 34 as a first hinge portion. 30 is integrally provided with the insert material cover portion 32, and the insert material cover portion 32 has a rectangular opening connected through a second thin-walled hinge portion 36 as a second hinge portion extending in parallel with the first thin-walled hinge portion 34. It is composed of a part cover 38 and a holding part cover 40. The opening cover 38 is formed in a size capable of covering the opening 28 of the side wall portion 26, and the holding portion cover 40 is formed in a size capable of covering the fastening member holding portion 20. As shown in FIG. 2, when the opening cover 38 is rotated about the first thin hinge portion 34 toward the fastening member holding portion 20 side by about 90 degrees, the opening cover 38 covers the opening portion 28 and the holding portion cover. When 40 is rotated about the second thin hinge portion 36 toward the fastening member holding portion 20 side by about 90 degrees, the holding portion cover 40 covers the fastening member holding portion 20 and thus the through hole 22 and the insertion hole 24. On the inner surface side (upper surface side in FIG. 1) of the holding portion cover portion 40, at portions corresponding to the through holes 22, locking claws 42a that can be brought into contact with and separated from each other and project at the respective tip portions to the opposite sides, A pair of locking pieces 42, 42 having 42a are provided in a protruding manner, and the pair of locking pieces 42 are locked in the peripheral portion of the through hole 22 or separated from the peripheral portion by bending in the contacting / separating direction. To do Further, a pair of engaging pieces 44, 44 having engaging claws 44a, 44a projecting in mutually opposite directions at their tip portions are provided at both end portions on the outer surface side (lower surface side in FIG. 1) of the holding section cover 40. It is projected.

A method of inserting the insert material A into the door trim B and a method of setting the fastener C in the insert material A will be described below with reference to FIGS. 3 to 7.

First, the insert material cover portion 32 is rotated from the state shown in FIG. 1 to the fastening member holding portion 20 side around the first thin hinge portion 34 and the holding portion cover 40 is moved to the second thin hinge portion. By rotating the 36 toward the fastening member holding portion 20 side, the pair of locking pieces 42 are fitted into the through hole 22, and the locking claws 42 a are locked to the peripheral portion of the through hole 22. The insert material cover portion 32 covers the opening 28 of the insert material body portion 30 and the fastening member holding portion 20.

Next, as shown in FIGS. 3 and 4, the cavity 46 has a recess 46 having a size into which the protruding portion A1 of the insert material A which is to be protruded from the door trim B can be fitted. An upper mold D having a concave engaging portion 48 capable of accommodating the pair of engaging pieces 44 in a locked state is prepared at the bottom of the above, and the protruding portion A1 is fitted into the concave portion 46 and the engaging portion 48 is also provided. The pair of engaging pieces 44 are housed in the locked state. On the other hand, on the cavity surface of the lower mold E, a skin 50 having a predetermined shape which constitutes the door trim B is set.

Next, the foamed resin material 52 is filled into the cavity formed by the upper mold D and the lower mold E and cured to mold the door trim B, and the portion A2 other than the protruding portion A1 of the insert material A is removed. Buried in door trim B.

Next, after removing the insert material A from the upper mold D and the lower mold E, as shown in FIG. 5, the holding part cover 40 of the insert material cover part 32 is centered around the second thin hinge part 36. The through hole 22 and the insertion hole 24 are opened by rotating the fastening member holding portion 20 to the opposite side. In this case, the pair of locking pieces 42, 42 projecting from the holding portion cover portion 40 of the insert material cover portion 32 are made of resin and have flexibility, so that they are separated from the through hole 22. When the through hole 22 and the insertion hole 24 are opened, the peripheral portion of the through hole 22 of the fastening member holding portion 20 is not damaged because it bends when it is carried out.

Next, although not essential, after the holding portion cover 40 is cut off by the second thin hinge portion 36 as shown in FIG. 6, the base portion 10 of the fastener C is inserted from the insertion hole 24 of the fastening member holding portion 20. The fastener C is attached to the insert material A as shown in FIG. 7 by inserting it into the material body 30 and sandwiching the fastening member holding portion 20 between the base portion 10 and the locking portion 12.

In this case, after setting the insert material A in the upper mold D with the opening cover 38 and the holding portion cover 40 covering the opening 28, the through hole 22 and the insertion hole 24 of the insert material A, Since the foamed resin material 52 is filled in the cavity formed by the mold D and the lower mold E, the foamed resin material 52 does not enter the space of the insert material A. Therefore, the fastener C can be easily attached to the insert material A that has been removed from the upper mold D and the lower mold D.

[0025]

[Effect of the device]

 As described above, according to the resin insert material for the foam base material according to the present invention, the insert material is integrally provided on the insert material via the first hinge portion, and is formed with a gap with the first hinge portion. An insert material cover part having two hinge parts and opening or closing the through hole and the insertion hole of the fastening member holding part by rotating around the first hinge part and the second hinge part. Therefore, at the time of molding, it is possible to close the through hole and the insertion hole by rotating the insert material cover part around the first hinge part and the second hinge part toward the fastening member holding part side, and at the same time, to remove the mold. After that, the through hole and the insertion hole can be opened by rotating the insert material cover part in the direction away from the fastening member holding part around the first hinge part and the second hinge part, and the insert hole can be projected into the molding die. There is no need to provide the parts, it is easy demolding operations.

Further, since the insert material cover portion is made of resin, the through hole and the insertion hole can be opened while bending, so that the opening portion and the peripheral portion of the mounting hole in the resin insert material are not damaged. ..

Further, since the insert material can be insert-molded with the insert material cover portion covering the through hole and the insertion hole of the fastening member holding portion, the foamed resin material enters the space of the insert material during molding. Since it does not, the fastening member can be easily attached to the insert material after demolding.

Furthermore, since the insert material cover portion is provided integrally with the insert material main body portion, the number of parts does not increase.

[Submission date] June 16, 1992

[Procedure Amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0013

[Correction method] Change

[Correction content]

The resin insert material A to the foam base material according to the present embodiment is inserted into a vehicle door trim B as a foam base material and held by the door trim B, while the door trim B is a counterpart member. The fastener C is held as a fastening member that is fastened to the vehicle body ( door panel ).

[Brief description of drawings]

FIG. 1 is a perspective view of a resin insert material on a foam substrate according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a state in which the insert material cover portion covers the insert material main body portion in the resin insert material for the foamed base material.

FIG. 3 is a view showing a state in which a resin insert material for the foam base material is inserted into a door trim, as shown in FIG.
It is a sectional view taken along line III.

4 is a IV-IV in FIG. 2 showing a state in which a resin insert material for the foamed base material is inserted into a door trim.
It is a line sectional view.

FIG. 5 is a perspective view showing a state in which a resin insert material for the foam base material is inserted into a door trim.

FIG. 6 is a perspective view showing a state in which a fastener is held by a resin insert material on the foam substrate.

FIG. 7 is a cross-sectional view showing a state in which a fastener is held by a resin insert material on the foam substrate.

[Explanation of symbols]

 A resin insert material to foam base material B door trim (foam base material) C fastener (fastening member) 10 base portion 12 locking portion 14 neck portion 16 held portion 18 base portion 20 fastening member holding portion 22 through hole 24 insertion hole 26 Side wall part 28 Opening part 30 Insert material main body part 32 Insert material cover part 34 First thin hinge part (first hinge part) 36 Second thin hinge part (second hinge part) 38 Opening cover 40 Holding part cover

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁵ Identification code Internal reference number FI Technical display area // B29K 105: 04 105: 20 B29L 31:58 4F

Claims (1)

[Scope of utility model registration request] 1. A foaming base which is inserted into a foaming base material and which holds a fastening member comprising a base portion and a held portion which is held by a mating member, and a neck portion which connects the base portion and the held portion and has a diameter smaller than the base portion. It is a resin insert material for the material, and is provided so as to face the plate-shaped base portion embedded in the foamed base material and the base portion at a distance, and the neck portion of the fastening member can pass through. Further, a plate-shaped fastening member holding portion having a through hole having a size such that the base portion of the fastening member cannot pass through and a through hole having a size that communicates with the through hole and allows the base portion of the fastening member to pass through, and the base. Part and a fastening member holding part, and a side wall part provided so as to connect the insert material main body part, and the insert material main body part integrally provided via the first hinge part, while the first hinge part is provided. 2nd Hin molded with a gap And an insert material cover part that opens or closes the through hole and the insertion hole of the fastening member holding part by rotating about the first hinge part and the second hinge part. Resin insert material for foamed base material, which is characterized by