JP2022166540A - Armrest and manufacturing method for the same - Google Patents

Abstract

To provide an armrest configured so that a cup stored in a cup storage container is stabilized.SOLUTION: In an armrest, a side wall opening 37A is penetratingly formed in a container side wall 35B of a single cup receiving part 35. An extending part 15E overlapping with the container side wall 35B from outside is formed in a bag-shaped cover material 15. The extending part 15E swells toward the inside of a cup holder (the inside of the single cup receiving part 35) through the side wall opening 37A, in which a pad 12 side is recessed. A portion protruding from the side wall opening 37A to the inside of the cup holder of the extending part 15E is a contacting/abutting portion 37 that contacts a cup inserted into the cup holder and a cylindrical body 100 such as a bottle. A recessed portion 37U at the pad 12 side of the contacting/abutting portion 37 is filled through an elastic portion 12A for holding a cup that is a portion of the pad 12.SELECTED DRAWING: Figure 4

Description

TECHNICAL FIELD The present disclosure relates to an armrest in which a bag-shaped skin material is filled with foamed resin, and a manufacturing method thereof.

Conventionally, armrests of this type are known that include a cup holder (see, for example, Patent Literature 1).

JP 2018-127077 (paragraph [0018], FIG. 1)

In the above-described conventional armrest, it is required to stabilize the cup accommodated in the cup container.

The armrest of the present disclosure includes a pad, a support frame embedded in the pad and supporting the pad, a skin covering the pad, and a skin opening formed in the skin and partially inside the skin. a bezel embedded in the pad and fitted to the outside of the cup holder; and a skin opening formed in the cup holder between the bezel and the cup holder. and a flange portion that clamps an edge of the cup holder, wherein the cup holder is locked to the bezel, and the bezel is locked to the support frame.

1 is a perspective view of an armrest of the present disclosure; FIG. AA sectional view of the armrest Top view of the support frame, cup holder and bezel embedded in the armrest Cross section of armrest Cross-sectional view showing the support frame and bezel fixed in the skin set in the foam mold Cross-sectional view showing the state where the cup holder is fixed to the bezel Sectional view showing a state in which the first mold and the second mold of the foaming mold are closed. Cross-sectional view showing a state in which the raw material of the foamed resin is injected into the skin set in the foaming mold. Cross-sectional view showing a state in which the foamed resin is foamed in the skin set in the foaming mold. Cross-sectional view showing a state in which a pad is formed in the skin set in the foaming mold Cross-sectional view of an armrest according to a modification Cross-sectional view of an armrest according to a modification Cross-sectional view of an armrest according to a modification

The armrest 10 of the present disclosure will now be described with reference to FIGS. 1-10. As shown in FIG. 1, the armrest 10 has a rectangular parallelepiped shape elongated in the front-rear direction, and is attached to the center of the rear seat of a vehicle, for example. The armrest 10 is rotatable around the rear side, and when not in use, is accommodated in the backrest of the rear seat and used as a part of the seat. In addition, the armrest 10 may be configured to be attached to a place other than the rear seat, or may be configured to be non-rotatable.

As shown in FIG. 2, the armrest 10 has a support frame 20 serving as a frame of the armrest 10 inside a bag-shaped upholstery material 15 formed into a bag shape by sewing a plurality of upholstery materials. is covered with a pad 12 made of foamed resin (corresponding to a "foamed molded article" in the claims). Also, in the armrest 10, a cup holder 30 (corresponding to a "cup container" in the claims) and a bezel 40 fitted to the outside of the cup holder 30 are embedded in the pad 12. . The bag-shaped skin material 15 has elasticity.

As shown in FIG. 3 , the support frame 20 includes a pair of side frames 21 , a rear end connecting member 22 connecting the rear ends of the pair of side frames 21 , and front ends of the pair of side frames 21 . A front end connecting member 24 for connecting the pair of side frames 21 and an intermediate connecting member 25 for connecting the intermediate portions of the pair of side frames 21 are provided. The front end connecting member 24 is formed by forming a round bar into a substantially C shape, and is arranged so that the cut of the C shape faces the rear side. A rotating shaft portion 23 serving as a rotating shaft of the armrest 10 is fixed to the rear end portion of each side frame 21 .

As shown in FIGS. 2 and 3, the bezel 40 includes a bezel main body 41 formed in a rectangular frame shape, a frame-shaped projecting wall 43 extending along the inner edge of the bezel main body 41 inside the bezel main body 41, A bezel connecting portion 42 connecting between the bezel main body 41 and the frame-shaped projecting wall 43 is provided. The bezel main body 41 has a frame-shaped upper wall portion 41A, an inner wall 41B hanging down from the inner edge of the upper wall portion 41A, and an outer wall 41C hanging down from the outer edge of the upper wall portion 41A. It has become. A plurality of engagement ribs 41L communicate between the outer wall 41C and the inner wall 41B. The lower end of the outer wall 41C is positioned lower than the lower end of the inner wall 41B, and the lower end of the engaging rib 41L is provided with a step 41M with the outer side downward.

As shown in FIG. 2, the bezel connecting portion 42 protrudes inward from the center portion in the vertical direction of the inner wall 41B of the bezel body 41, and the frame-shaped protruding wall 43 protrudes upward from the inner edge portion of the bezel connecting portion 42. there is The upper end of the frame-shaped projecting wall 43 is positioned slightly below the upper end of the bezel main body 41 . A frame groove 40M is formed between the frame-shaped protruding wall 43, the inner wall 41B of the bezel main body 41, and the bezel connecting portion 42, and the cup holder 30 is inserted through the inner portion of the frame-shaped protruding wall 43. The insertion port 40A is formed so as to

Bezel 40 has a depending wall 44 depending downwardly from the inner edge of bezel interface 42 . A portion of the hanging wall 44 is an extended wall portion 44A extending to a position near the lower end of the cup holder 30 . A through hole 45 is formed in the extension wall portion 44A.

The bezel 40 is fixed by fitting a fitting portion (not shown) to the front end connecting member 24 of the support frame 20 from the outside. Further, as shown in FIG. 2, the front end connecting member 24 is sandwiched between the steps 41M of the bezel main body 41 in the left-right direction, thereby restricting the positional deviation of the bezel 40 in the left-right direction.

As shown in FIG. 1, the cup holder 30 has a structure in which a flange portion 33 protrudes outward from an upper end opening edge of a container-shaped cup receiving portion 31 . The cup receiving portion 31 is formed in a dumbbell shape in plan view in which two single cup receiving portions 35 arranged side by side are connected by a communication path 36 .

Specifically, the single-cup receiving portion 35 is formed by standing a container side wall 35B from the outer edge of a rectangular bottom wall 35A in plan view. The container side wall 35B of the single cup receiving portion 35 is inclined so that the opening becomes larger as it goes upward. The communication path 36 penetrates the adjacent container side walls 35B of the two single-cup receiving portions 35 and communicates with each other. It has a connecting bottom wall 36A extending flush with the bottom wall 35A of the receiving portion 35 .

As shown in FIG. 2, the flange portion 33 is formed with a flange groove 34 opening downward. Specifically, the flange portion 33 includes an overhanging wall 33A extending outward from the upper end of the cup receiving portion 31 and an outer wall facing the cup receiving portion 31 that hangs down from the outer edge of the overhanging wall 33A. and a facing wall 33B. A flange groove 34 is formed between the outer facing wall 33B and the cup receiving portion 31 .

The cup holder 30 is fixed to the bezel 40 with the cup holder 31 inserted into the insertion opening 40A of the bezel 40 from above. When the cup holder 30 is fixed to the bezel 40 , the frame-shaped protruding wall 43 of the bezel 40 is received in the flange groove 34 of the cup holder 30 and the outer facing wall 33B of the cup holder 30 fits into the frame groove of the bezel 40 . Accepted to 40M.

As shown in FIGS. 1 and 2, the bag-shaped skin material 15 is sandwiched between the flange portion 33 of the cup holder 30 and the bezel 40 at the edge of the bag opening 15A. Specifically, the edge of the bag opening 15A is sandwiched between the groove bottom wall of the flange groove 34 (that is, the projecting wall 33A) and the frame-like projecting wall 43, and the groove bottom wall of the frame groove 40M (that is, , bezel connecting portion 42) and the outer facing wall 33B. As a result, the bag-shaped skin material 15 is stretched so as to abut on the inner wall 41B and the upper wall portion 41A of the bezel main body 41 of the bezel 40, and the bag opening 15A is formed in a rectangular shape.

Now, the armrest 10 of the present embodiment has a contact projection 37 projecting inwardly from the container side wall 35B on the single cup receiving portion 35 of the cup holder 30. As shown in FIG. Specifically, as shown in FIGS. 1 and 2, the container side wall 35B of the single cup receiving portion 35 has a circular side wall opening 37A formed therethrough in the central portion thereof. In addition, the bag-shaped skin material 15 has an extended portion 15E (claim: ) is formed. The extension portion 15E bulges inside the cup holder 30 (inside the single cup receiving portion 35) through the side wall opening 37A and is recessed on the pad 12 side. The protruding portion serves as the abutment protrusion 37 described above. Note that the side wall opening 37A and the contact protrusion 37 are not provided on the container side wall 35B connected by the communication path 36. As shown in FIG.

A concave portion 37U of the contact protrusion 37 on the side of the pad 12 is filled with the cup holding elastic portion 12A, which is a part of the pad 12. As shown in FIG. As shown in FIG. 4, when a cylindrical body 100 such as a cup or a bottle is inserted into the cup holder 30 (single cup receiving portion 35), the cup holding elastic portion 12A is elastically deformed through the abutment protrusion 37. By doing so, the cylindrical body 100 accommodated in the cup holder 30 (single cup receiving portion 35) is stably held by the elastic force.

The extended portion 15E of the bag-shaped skin material 15 is sandwiched between the extended wall portion 44A of the bezel 40 and the container side wall 35B so as to be held so as to overlap the container side wall 35B. The extension wall portion 44A of the bezel 40 extends downward from a portion of the hanging wall 44 that faces the container side wall 35B on which the contact projection 37 is provided. Further, the through hole 45 of the extension wall portion 44A is arranged at a position substantially facing the side wall opening 37A, and the cup holding elastic portion 12A enters the recess portion 37U of the contact protrusion 37 through the through hole 45. there is

A locking hole 16 is formed at the end of the extended portion 15E of the bag-shaped skin material 15, and a locking claw 44B formed at the lower end of the extended wall portion 44A is inserted into the locking hole 16. (See Figure 2).

The armrest 10 of this embodiment is manufactured as follows.

First, the cup holder 30 is prepared. A side wall opening 37A is formed in the container side wall 35B of the cup holder 30 (see FIG. 6).

As shown in FIG. 5, the support frame 20 embedded in the bag-shaped skin material 15 is set in the first mold 70A of the foaming mold 70, and then the bezel 40 is inserted into the bag-shaped skin material 15 to form the bezel. 40 is fixed to the support frame 20; At this time, the locking claws 44B of the bezel 40 are hooked to the locking holes 16 of the bag-shaped skin material 15 to fix the bag-shaped skin material 15 to the bezel 40 . In addition, in this embodiment, the foaming mold 70 is configured such that the front portion of the armrest 10 is arranged on the lower side.

Next, as shown in FIG. 6, the cup receiving portion 31 of the cup holder 30 is pushed into the bag opening 15A and fixed. Then, the frame-shaped projecting wall 43 of the bezel 40 projects into the flange groove 34 of the cup holder 30, and the bag-shaped skin material 15 is sandwiched between the groove bottom wall of the flange groove 34 and the frame-shaped projecting wall 43. , the outer facing wall 33B of the cup holder 30 projects into the frame groove 40M of the bezel 40, and the bag-shaped skin material 15 is sandwiched between the groove bottom wall of the frame groove 40M and the outer facing wall 33B. In this state, the extended portion 15E of the bag-shaped skin material 15 overlaps the container side wall 35B of the cup holder 30 from the outside to close the side wall opening 37A. Also, the side wall opening 37A of the cup holder 30 and the through hole 45 of the bezel 40 are arranged next to each other with the extension 15E of the bag-shaped upholstery 15 interposed therebetween.

Next, as shown in FIG. 7, the second mold 70B of the foaming mold 70 is closed. A depressed portion 70C is formed in the second die 70B at a position adjacent to the side wall opening 37A. Then, as shown in FIG. 8, the raw material of the foamed resin 12Z that becomes the pad 12 (see FIG. 2) is injected into the bag-shaped skin material 15 and foamed.

Here, as shown in FIG. 9, when the foamed resin 12Z is foamed up to the vicinity of the through hole 45 of the bezel 40, it is pushed by the foamed resin 12Z passing through the through hole 45 of the bezel 40, and the extended portion of the bag-shaped skin material 15 is pushed. 15E swells inside the depression 70C of the second die 70B through the side wall opening 37A of the cup holder 30 (that is, swells inside the cup holder 30). As shown in FIG. 10, the foamed resin 12Z in the depressed portion 70C expands until the extension 15E contacts the inner surface of the depressed portion 70C of the second die 70B. As a result, the extended portion 15E is formed with a contact protrusion 37 protruding from the side wall opening 37A of the cup holder 30 to the inside of the cup holder 30, and the foam resin 12Z (pad 12) is formed with the contact protrusion 37. A cup holding elastic portion 12A filled in the recess 37U is formed.

When the foaming of the foamed resin 12Z is completed, the pad 12 is formed in the bag-shaped skin material 15, and the pad 12, the bag-shaped skin material 15, the support frame 20, the cup holder 30 and the bezel 40 are integrated. Armrest 10 is completed (see FIG. 2). In addition, the second mold 70B of the foaming mold 70 of the present embodiment is a split mold in which the periphery of each depressed portion 70C is divided. More specifically, as shown in FIG. 10, in the second die 70B, a pin 70P extending obliquely with respect to the mold opening direction is provided in a main body portion 70H, which is the major part, in a divided portion 70G around each recessed portion 70C. connected through Then, when the second die 70B opens, the divided portion 70G moves sideways away from the contact protrusion 37 in conjunction with the movement of the second die 70B. As a result, the armrest 10 can be removed from the foaming mold 70 without applying a large load to the contact protrusion 37 . The foaming mold is not limited to the configuration of the present embodiment as long as the armrest 10 can be removed from the foaming mold without applying a large load to the contact protrusion 37 . For example, a configuration in which the pin 70P does not exist and the split portion 70G is not connected to the main body portion 70H may be used.

The configuration of the armrest 10 of the present embodiment is as described above. Next, the effect of armrest 10 is explained. The armrest 10 of this embodiment has a contact protrusion 37 projecting inward from the container side wall 35B in the single cup receiving portion 35 of the cup holder 30, and a portion of the pad 12 is provided on the pad 12 side of the contact protrusion 37. is filled with the cup holding elastic portion 12A. As a result, when a cylindrical body 100 such as a cup or a bottle is inserted into the cup holder 30 (single cup receiving portion 35), the cup holding elastic portion 12A is elastically moved through the abutting projection 37 pressed by the cylindrical body 100. Due to the deformation, the cylindrical body 100 accommodated in the cup holder 30 (single cup receiving portion 35) is stably held by its elastic force.

In addition, since the cup holding elastic portion 12A, which applies an elastic force for holding the cylindrical body 100, is composed of a part of the pad 12, the number of parts can be reduced compared to the structure incorporating other elastic members. can be done. Moreover, when the foamed resin 12Z for forming the pad 12 is foamed, the cup-holding elastic portion 12A is formed at the same time.

Furthermore, since the contact protrusion 37 is constituted by the extension 15E extending from the bag opening 15A of the bag-shaped skin material 15, an increase in the number of parts can be prevented. Further, since the extension 15E is sandwiched between the extension wall 44A of the bezel 40 and the container side wall 35B, the extension 15E is prevented from being displaced by the pressure during foaming of the foamed resin 12Z.

[Other embodiments]
(1) In the above-described embodiment, the abutment protrusion 37 is formed by the extended portion 15E obtained by extending a part of the bag-shaped upholstery 15, but it may be formed by another film body. In this case, for example, another film may be arranged only in the vicinity of the side wall opening 37A in the container side wall 35B, or the other film may be integrally joined to the bag-shaped skin material 15. good. It is also possible to change the appearance of the armrest 10 by making other membrane bodies different in color and texture from the bag-shaped upholstery material 15 . Moreover, the structure which arrange|positions another film body inside the container side wall 35B may be sufficient.

(2) In the above-described embodiment, the contact protrusion 37 is formed by expanding the planar extension 15E by foaming the foamed resin 12Z. may be).

(3) As shown in FIG. 11, the abutment protrusion 37 may be formed by thinly expanding a portion of the container side wall 35B of the cup holder 30 inward so as to be elastically deformable.

(4) The abutment protrusion 37 may be configured by an elastomeric closing member. In this case, the elastomer-made closing member may be superimposed on the outside of the container side wall 35B, or may be configured to protrude from the opening edge of the side wall opening 37A of the container side wall 35B.

(5) The abutting projection may not be a membrane, and may be, for example, a lever 38 hinged to the side wall of the container as shown in FIG. 12, or a membrane as shown in FIG. A structure including a body and a lever 38 superimposed on the inside thereof may be used. Alternatively, the abutting protrusion may include a membrane having an outer recessed portion and a reinforcing member fitted in the recessed portion, and the reinforcing member may press the foamed resin.

(6) There may be one single cup receiving portion 35, or there may be three or more.

(7) The single cup receiving portions 35 do not have to be connected by the connecting path 36 .

(8) The single cup receiving portion 35 may be circular in plan view.

(9) The configuration may be such that the bag-shaped skin material 15 and the cup holder 30 are attached to the pad 12 that has been foam-molded in advance.

(10) In the above embodiment, the extension portion 15E is fixed by sandwiching it between the extension wall portion 44A of the bezel 40 and the container side wall 35B. An engaging claw for fixing the lower end of the extension 15E may be provided at the lower end of the container side wall 35B of the holder 30, or the extension 15E may be adhered to the container side wall 35B.

Although specific examples of the technology included in the claims are disclosed in the specification and drawings, the technology described in the claims is not limited to these specific examples. Various modifications and changes of the examples are included, and a part of specific examples is also included.

<Appendix>
Hereinafter, the first to ninth aspects of the invention extracted from the above-described embodiments will be described while showing effects and the like as necessary.

[First aspect]
In an armrest in which a cup container that opens to the outer surface of a bag-shaped skin material is embedded in foamed resin filled in the bag-shaped skin material,
an abutting projection projecting from the container side wall of the cup container toward the inside of the cup container, contacting the cup or bottle inserted into the cup container and being pushed toward the container side wall;
An armrest comprising: a cup holding elastic portion provided in the foamed resin and elastically deformed by being pushed by the contact protrusion.

According to the first aspect of the invention, when the cup or the bottle is inserted into the cup container, the elastic portion for holding the cup is elastically deformed via the abutting protrusion pressed by the cup or the bottle, thereby causing the elastic portion to rebound. The cup or bottle held in the cup holder is stably held by force. Further, since the cup holding elastic portion for applying an elastic force for holding the cup or bottle is provided in the foamed resin, the number of parts can be reduced compared to the structure incorporating other elastic members.

[Second aspect]
The armrest according to the first aspect, wherein the foamed resin is a foam-molded product foam-molded within the bag-shaped skin material.

[Third aspect]
The contact protrusion is a film body that bulges toward the inside of the cup container and is recessed on the foamed resin side,
The armrest according to the first aspect or the second aspect, wherein the cup holding elastic portion is filled in the concave portion of the contact protrusion.

[Fourth aspect]
The armrest according to the third aspect, wherein the abutting protrusion is swollen toward the inside of the cup container due to the pressure of the foamed resin.

[Fifth aspect]
The bag-shaped skin material has an extension part that is superimposed on the container side wall having a side wall opening from the outside of the cup container and closes the side wall opening,
The armrest according to the third aspect or the fourth aspect, wherein the portion of the extension that protrudes from the side wall opening toward the inside of the cup container is the contact protrusion.

According to the fifth aspect of the invention, since the abutment protrusion is formed of a part of the bag-shaped skin material, an increase in the number of parts can be prevented.

[Sixth aspect]
In a method for manufacturing an armrest, an opening of a bag-shaped skin material is closed with a cup container, and a foamed resin is foam-molded inside the bag-shaped skin material,
disposing a membrane on at least a portion of the container side wall of the cup container;
A method for manufacturing an armrest, in which the membrane body is inflated inside the cup holder by the pressure generated when the foamed resin is foamed, thereby forming an abutment protrusion for holding a cup or bottle inserted into the cup holder. .

According to the sixth aspect of the invention, when the foamed resin is foamed, the film body swells toward the inside of the cup container to form the abutment protrusion, thereby preventing an increase in labor during manufacturing.

[Seventh aspect]
The armrest according to the sixth aspect, wherein a side wall opening is formed in the container side wall of the cup container and the side wall opening is closed from the outside of the cup container with the film before foaming the foamed resin. manufacturing method.

[Eighth aspect]
The manufacturing method of the armrest according to the seventh aspect, wherein the bag-shaped skin material is provided with an extension portion as the film body that overlaps the container side wall from the outside of the cup container and closes the side wall opening.

10 armrest 12 pad (foam molding)
12A Cup holding elastic part 12Z Foamed resin 15 Bag-shaped skin material 15E Extension part (membrane body)
30 cup holder (cup container)
35B container side wall 37 contact protrusion 37A side wall opening

Claims (8)

In an armrest in which a cup container that opens to the outer surface of a bag-shaped skin material is embedded in foamed resin filled in the bag-shaped skin material,
an abutting projection projecting from the container side wall of the cup container toward the inside of the cup container, contacting the cup or bottle inserted into the cup container and being pushed toward the container side wall;
An armrest comprising: a cup holding elastic portion provided in the foamed resin and elastically deformed by being pushed by the contact protrusion. 2. The armrest according to claim 1, wherein said foamed resin is a foam-molded product foam-molded within said bag-shaped skin material. The contact protrusion is a film body that bulges toward the inside of the cup container and is recessed on the foamed resin side,
3. The armrest according to claim 1, wherein the cup holding elastic portion is filled in the concave portion of the contact protrusion. 4. The armrest according to claim 3, wherein the abutting protrusion is bulged inwardly of the cup container due to the pressure of the foamed resin. The bag-shaped skin material has an extension part that is superimposed on the container side wall having a side wall opening from the outside of the cup container and closes the side wall opening,
5. The armrest according to claim 3 or 4, wherein a portion of said extension portion protruding inwardly of said cup container from said side wall opening is said abutment protrusion. In a method for manufacturing an armrest, an opening of a bag-shaped skin material is closed with a cup container, and a foamed resin is foam-molded inside the bag-shaped skin material,
disposing a membrane on at least a portion of the container side wall of the cup container;
A method for manufacturing an armrest, in which the membrane body is inflated inside the cup holder by the pressure generated when the foamed resin is foamed, thereby forming an abutment protrusion for holding a cup or bottle inserted into the cup holder. . 7. The armrest according to claim 6, wherein a side wall opening is formed in the container side wall of the cup container before the foamed resin is foamed, and the side wall opening is closed from the outside of the cup container with the film. manufacturing method. 8. The method of manufacturing an armrest according to claim 7, wherein the bag-shaped skin material is provided with an extension portion as the film that overlaps the container side wall from the outside of the cup holder and closes the side wall opening.

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