WO2014115554A1

WO2014115554A1 - Refrigerator

Info

Publication number: WO2014115554A1
Application number: PCT/JP2014/000326
Authority: WO
Inventors: 山口　太郎; 永幡　真也
Original assignee: パナソニック株式会社
Priority date: 2013-01-24
Filing date: 2014-01-23
Publication date: 2014-07-31
Also published as: CN104884881B; CN104884881A

Abstract

This refrigerator is equipped with: a refrigerator body provided with a hinge member (8) having a hinge shaft (27); and a door (5) for covering the front-surface opening of a storage chamber, and rotatably supported by the hinge member (8) as a result of a hinge bearing (26) engaging the hinge shaft (27). The door (5) has: a horizontal frame (10) having a resin member and provided with the hinge bearing (26); a vertical frame (11) having a metal member extending in the perpendicular direction; and a reinforcing member (15) including a first reinforcing part (16) provided on the horizontal frame (10), extending along the horizontal frame (10), and having the hinge bearing (26) pass therethrough, and a second reinforcing part (17) extending along the vertical frame (11) between the hinge bearing (26) and the vertical frame (11), and overlapping the metal member of the vertical frame (11). The present invention makes it possible to prevent damage such as sectional chipping and cracking around the hinge bearing, which can be caused by the opening of the door over the long term.

Description

冷蔵庫refrigerator

　本発明は冷蔵庫に関し、特に扉用ヒンジ軸受の周辺構造に関するものである。 The present invention relates to a refrigerator, and particularly to a peripheral structure of a hinge bearing for a door.

　一般に冷蔵庫は、一辺がヒンジによって取り付けられて、貯蔵室の前面開口を開閉自在に覆う扉を備えている。従来の冷蔵庫においては、扉枠の下面に設けられた補強板を通して、ヒンジ軸がヒンジ軸受に挿入されて、扉が取り付けられる（例えば、特許文献１参照）。 Generally, a refrigerator is provided with a door that is attached to one side by a hinge and covers the front opening of the storage room so as to be freely opened and closed. In the conventional refrigerator, the hinge shaft is inserted into the hinge bearing through the reinforcing plate provided on the lower surface of the door frame, and the door is attached (for example, see Patent Document 1).

　図１１は、従来の冷蔵庫における扉のヒンジ軸受の周辺を示す分解斜視図である。図１２は、従来の冷蔵庫における扉のヒンジ軸受の周辺を示す側面図である。 FIG. 11 is an exploded perspective view showing the periphery of a door hinge bearing in a conventional refrigerator. FIG. 12 is a side view showing the periphery of a door hinge bearing in a conventional refrigerator.

　図１１、１２に示されるように、冷蔵庫本体１０２の扉１０５には、ヒンジ軸１０３を有するヒンジ部材１０１が取り付けられる。扉１０５の骨格を構成する扉枠の下面に設けられた扉部品１０４の下方には、ストッパ板１０６が取り付けられる。ストッパ板１０６は、扉１０５の旋回を一定範囲内に制限し、補強板としても機能する。 11 and 12, a hinge member 101 having a hinge shaft 103 is attached to the door 105 of the refrigerator main body 102. A stopper plate 106 is attached below the door part 104 provided on the lower surface of the door frame constituting the skeleton of the door 105. The stopper plate 106 limits the turning of the door 105 within a certain range and also functions as a reinforcing plate.

　ストッパ板１０６に設けられたヒンジ軸受１０７は、扉部品１０４を貫通して扉１０５の内部に突き出している。ヒンジ軸受１０７は、その中にヒンジ軸１０３が嵌め込まれ、扉部品１０４を回動自在に支持する。 The hinge bearing 107 provided on the stopper plate 106 penetrates the door part 104 and protrudes into the door 105. A hinge shaft 103 is fitted into the hinge bearing 107 and supports the door component 104 so as to be rotatable.

　従来の冷蔵庫においては、ストッパ板１０６により扉部品１０４が補強され、扉部品１０４の下面の平面度が向上する。このようにして、扉１０５の開閉を安定化させることができる。 In the conventional refrigerator, the door part 104 is reinforced by the stopper plate 106, and the flatness of the lower surface of the door part 104 is improved. In this way, the opening and closing of the door 105 can be stabilized.

　しかしながら、一般的に、扉が強い力で勢いよく開けられ、扉にブレーキがかけられないと、全開位置で扉が停止する際に、扉部品に大きな慣性荷重が加わる。そのため、従来の構成では、長期間にわたって扉の開成を強い力で繰り返し行う等により、樹脂性の扉部品１０４にひび割れが発生することがある。 However, generally, if the door is opened with great force and the door is not braked, a large inertial load is applied to the door components when the door stops at the fully open position. Therefore, in the conventional configuration, cracks may occur in the resinous door component 104 due to repeated opening of the door with a strong force over a long period of time.

　最近、冷蔵庫の大型化に伴って扉１０５も大型化し、扉１０５のヒンジ軸受の周辺に加わる荷重が大きくなっている。大型扉の場合、通常の扉に比べてより短期間のうちに、扉部品１０４にひび割れが発生することがある。 Recently, with the increase in size of the refrigerator, the door 105 has also increased in size, and the load applied to the periphery of the hinge bearing of the door 105 has increased. In the case of a large door, cracks may occur in the door component 104 in a shorter period of time than a normal door.

　さらに、ひび割れに留まらず、扉部品１０４の一部が欠け落ちる等、扉１０５の落下につながる可能性のある損傷が起こることも考えられる。 Furthermore, it is conceivable that damage that may lead to the fall of the door 105 occurs, for example, a part of the door part 104 may be chipped off without being cracked.

特開２００４－３０１４５７号公報JP 2004-301457 A

　本発明は、上記従来の課題を解決するもので、このような開成動作にも耐え得る扉を備えた冷蔵庫を提供することを目的としたものである。 This invention solves the said conventional subject, and aims at providing the refrigerator provided with the door which can also endure such opening operation | movement.

　上記従来の課題を解決するため、本発明の冷蔵庫は、貯蔵室が設けられ、ヒンジ軸を有するヒンジ部材が設けられた冷蔵庫本体と、ヒンジ軸受が設けられた扉枠を有し、ヒンジ軸受がヒンジ軸と噛み合うことでヒンジ部材により回動自在に支持され、貯蔵室の前面開口を覆う扉と、扉枠に設けられた補強部材とを備えたものである。 In order to solve the above conventional problems, the refrigerator of the present invention has a refrigerator body provided with a storage chamber, a hinge member having a hinge shaft, a door frame provided with a hinge bearing, and the hinge bearing The door is rotatably supported by the hinge member by meshing with the hinge shaft, and includes a door that covers the front opening of the storage chamber, and a reinforcing member provided on the door frame.

　補強部材は、水平方向に延在しヒンジ軸受が貫通する第一補強部と、ヒンジ軸受と扉枠との間に配置され垂直方向に延在する第二補強部とを有している。 The reinforcing member has a first reinforcing portion that extends in the horizontal direction and penetrates through the hinge bearing, and a second reinforcing portion that is disposed between the hinge bearing and the door frame and extends in the vertical direction.

　本発明の冷蔵庫によれば、扉枠に設けられた補強部材によって、扉の開成時に発生する慣性荷重を受け止めることにより、扉の開成を長期間にわたって繰り返し行っても、ヒンジ軸受の周辺における、ひび割れ、一部欠け落ち等の損傷を防止することができる。こうして、耐久性の高い冷蔵庫を提供することができる。 According to the refrigerator of the present invention, the reinforcement member provided on the door frame receives the inertial load generated at the time of opening the door, so that even if the door is repeatedly opened over a long period of time, the cracks around the hinge bearing are cracked. In addition, damage such as partial chipping can be prevented. Thus, a highly durable refrigerator can be provided.

図１は、本発明に係る実施の形態１における冷蔵庫の正面図である。FIG. 1 is a front view of the refrigerator according to Embodiment 1 of the present invention. 図２は、実施の形態１の冷蔵庫の、扉の全開状態を示す正面図である。FIG. 2 is a front view showing a fully opened state of the door of the refrigerator according to the first embodiment. 図３は、実施の形態１の冷蔵庫における扉を示す斜視図である。FIG. 3 is a perspective view showing a door in the refrigerator of the first embodiment. 図４は、実施の形態１の冷蔵庫に設けられた扉用ヒンジ軸受の周辺構造を示す分解斜視図である。FIG. 4 is an exploded perspective view showing a peripheral structure of a door hinge bearing provided in the refrigerator according to the first embodiment. 図５は、実施の形態１の冷蔵庫に設けられた扉用ヒンジ軸受の周辺構造を示す縦断面図である。FIG. 5 is a longitudinal sectional view showing a peripheral structure of a door hinge bearing provided in the refrigerator according to the first embodiment. 図６は、実施の形態１の冷蔵庫に設けられた扉用ヒンジ軸受の周辺構造を示す上面図である。FIG. 6 is a top view showing a peripheral structure of a door hinge bearing provided in the refrigerator according to the first embodiment. 図７は、実施の形態１の冷蔵庫に設けられた扉用ヒンジ軸受の周辺構造を示す下面図である。FIG. 7 is a bottom view showing a peripheral structure of a door hinge bearing provided in the refrigerator according to the first embodiment. 図８は、本発明に係る実施の形態２における冷蔵庫における扉枠を示す分解斜視図である。FIG. 8 is an exploded perspective view showing a door frame in the refrigerator according to the second embodiment of the present invention. 図９は、実施の形態２の冷蔵庫に設けられた扉用ヒンジ軸受の周辺構造を示す拡大斜視図である。FIG. 9 is an enlarged perspective view showing a peripheral structure of a door hinge bearing provided in the refrigerator of the second embodiment. 図１０は、実施の形態２の冷蔵庫に設けられた扉用ヒンジ軸受の周辺構造を示す縦断面図である。FIG. 10 is a longitudinal sectional view showing a peripheral structure of a door hinge bearing provided in the refrigerator according to the second embodiment. 図１１は、従来の冷蔵庫における扉のヒンジ軸受の周辺を示す分解斜視図である。FIG. 11 is an exploded perspective view showing the periphery of a door hinge bearing in a conventional refrigerator. 図１２は、従来の冷蔵庫における扉のヒンジ軸受の周辺を示す側面図である。FIG. 12 is a side view showing the periphery of a door hinge bearing in a conventional refrigerator.

　本発明に係る第１の態様の冷蔵庫は、貯蔵室が設けられ、ヒンジ軸を有するヒンジ部材が設けられた冷蔵庫本体と、ヒンジ軸受が設けられ、ヒンジ軸受がヒンジ軸と噛み合うことでヒンジ部材により回動自在に支持され、貯蔵室の前面開口を覆う扉とを備えたものである。 The refrigerator according to the first aspect of the present invention includes a refrigerator body provided with a storage chamber, a hinge member having a hinge shaft, a hinge bearing, and the hinge bearing meshing with the hinge shaft so that the hinge member A door that is rotatably supported and covers the front opening of the storage chamber.

　扉は、外装板と、内フレームと、ヒンジ軸受が設けられ、樹脂部材を有する横枠と、垂直方向に延在する金属部材を有する縦枠と、外装板と内フレームと縦枠と横枠との間に充填した断熱材と、横枠に設けられ、横枠に沿って延在しヒンジ軸受が貫通する第一補強部と、ヒンジ軸受と縦枠との間に縦枠に沿って延在し縦枠の金属部材と重なりを有する第二補強部とを含む補強部材と、を有する。 The door includes an exterior plate, an inner frame, a hinged bearing, a horizontal frame having a resin member, a vertical frame having a metal member extending in the vertical direction, an exterior plate, an inner frame, a vertical frame, and a horizontal frame. Between the hinge bearing and the vertical frame, and the first reinforcing portion provided along the horizontal frame and extending along the horizontal frame and through which the hinge bearing passes, and extending along the vertical frame. And a reinforcing member including a metal member having a vertical frame and a second reinforcing portion having an overlap.

　本態様によれば、扉枠に設けられた補強部材によって、扉の開成時に発生する水平方向の慣性荷重を受け止めて扉枠を保護することにより、扉の開成を長期間にわたって繰り返し行っても、ヒンジ軸受の周辺における、ひび割れ、一部欠け落ち等の損傷を防止することが可能となる。 According to this aspect, even if the door opening is repeatedly performed over a long period of time by receiving the horizontal inertia load generated when the door is opened by the reinforcing member provided on the door frame and protecting the door frame, It is possible to prevent damage such as cracks and partial chipping around the hinge bearing.

　本発明に係る第２の態様の冷蔵庫は、第１の態様において、縦枠が、前面から側面にわたって扉の表面を覆う金属製の外装板を含み、横枠が、補強部材を備え、外装板と接合された外周壁を有する樹脂製の扉キャップ部材を含み、ヒンジ軸受が、第一補強部を貫通するように扉キャップ部材に設けられ、第二補強部が、外周壁とヒンジ軸受との間に外周壁に沿って延在し、外装板と重なりを有するものである。 A refrigerator according to a second aspect of the present invention is the refrigerator according to the first aspect, wherein the vertical frame includes a metal exterior plate that covers the surface of the door from the front surface to the side surface, the horizontal frame includes a reinforcing member, and the exterior plate A resin-made door cap member having an outer peripheral wall joined to the hinge cap, wherein the hinge bearing is provided on the door cap member so as to penetrate the first reinforcing portion, and the second reinforcing portion is provided between the outer peripheral wall and the hinge bearing. It extends along the outer peripheral wall and has an overlap with the exterior plate.

　本態様によれば、ヒンジ軸受によって補強部材を所定位置に固定することができ、扉の開成時に発生する水平方向の慣性荷重を金属製の補強部材で受け止めることで、樹脂性の扉キャップ部材を保護することができる。 According to this aspect, the reinforcing member can be fixed at a predetermined position by the hinge bearing, and the resinous door cap member can be secured by receiving the horizontal inertia load generated when the door is opened by the metal reinforcing member. Can be protected.

　本発明に係る第３の態様の冷蔵庫は、第１の態様において、縦枠が、金属部材である枠補強板を内側に備え、第二補強部が、ヒンジ軸受と縦枠の間に縦枠に沿って延在し、枠補強板と重なりを有するものである。 The refrigerator of the 3rd aspect which concerns on this invention is a 1st aspect. WHEREIN: A vertical frame equips an inner side with the frame reinforcement board which is a metal member, and a 2nd reinforcement part is a vertical frame between a hinge bearing and a vertical frame. It extends along and has an overlap with the frame reinforcing plate.

　本態様によれば、ヒンジ軸受によって補強部材を所定位置に固定することができ、扉の開成時に発生する水平方向の慣性荷重を金属製の補強部材で受け止めることで、樹脂性の扉枠を保護することができる。 According to this aspect, the reinforcing member can be fixed at a predetermined position by the hinge bearing, and the resinous door frame is protected by receiving the horizontal inertia load generated when the door is opened by the metal reinforcing member. can do.

　本発明に係る第４の態様の冷蔵庫は、第１の態様において、第一補強部と第二補強部との少なくともいずれか一方が、縁部に屈曲片を備えたものである。 The refrigerator of the 4th aspect which concerns on this invention is a 1st aspect. WHEREIN: At least any one of a 1st reinforcement part and a 2nd reinforcement part equips the edge part with the bending piece.

　本態様によれば、扉の開成時に発生する慣性荷重がねじれ成分を有していても、屈曲片により、慣性荷重のねじれ成分を受け止めて扉キャップ部材を保護することができる。 According to this aspect, even if the inertial load generated when the door is opened has a twisting component, the bent piece can receive the twisting component of the inertial load and protect the door cap member.

　本発明に係る第５の態様の冷蔵庫は、第一補強部が、ヒンジ軸受を含む少なくとも二箇所で扉枠に固定されるものである。 In the refrigerator according to the fifth aspect of the present invention, the first reinforcing portion is fixed to the door frame at at least two places including the hinge bearing.

　本態様によれば、補強部材が、長期間にわたって受ける水平方向の強い荷重により位置ずれを起こし、第一補強部の端部により扉が内側から損傷することを防止することができる。 According to this aspect, it is possible to prevent the reinforcement member from being displaced due to a strong horizontal load received over a long period of time, and the door from being damaged from the inside by the end portion of the first reinforcement portion.

　本発明に係る第６の態様の冷蔵庫は、第１の態様において、扉枠と第二補強部との間および第二補強部とヒンジ軸受との間に、発泡断熱材が充填されたものである。 A refrigerator according to a sixth aspect of the present invention is the refrigerator according to the first aspect, in which a foam heat insulating material is filled between the door frame and the second reinforcing portion and between the second reinforcing portion and the hinge bearing. is there.

　本態様によれば、扉枠、第二補強部、ヒンジ軸受が、それらの間に充填された発泡断熱材によって一体化されるため、発泡断熱材による機械的強度および衝撃吸収効果により、慣性荷重に対する強度が強化された扉を構成することができる。 According to this aspect, since the door frame, the second reinforcing portion, and the hinge bearing are integrated by the foam heat insulating material filled between them, the inertial load is obtained due to the mechanical strength and the shock absorbing effect by the foam heat insulating material. Thus, a door with enhanced strength can be configured.

　以下、本発明に係る冷蔵庫の好適な実施の形態について、図面を参照して詳細に説明する。なお、この実施の形態によって本発明が限定されるものではない。 Hereinafter, preferred embodiments of the refrigerator according to the present invention will be described in detail with reference to the drawings. Note that the present invention is not limited to the embodiments.

　（実施の形態１）
　図１は、本発明に係る実施の形態１における冷蔵庫の正面図である。図２は、本実施の形態の冷蔵庫の、扉の全開状態を示す正面図である。図３は、本実施の形態の冷蔵庫における扉を示す一部分解斜視図である。 (Embodiment 1)
FIG. 1 is a front view of the refrigerator according to Embodiment 1 of the present invention. FIG. 2 is a front view showing a fully opened state of the door of the refrigerator according to the present embodiment. FIG. 3 is a partially exploded perspective view showing a door in the refrigerator of the present embodiment.

　図１～３に示されるように、冷蔵庫本体１は、縦方向に並ぶ三つの貯蔵室、すなわち、一番上の貯蔵室である冷蔵室２と、中央の貯蔵室である冷凍室３と、一番下の貯蔵室である野菜室４とを有する。これらの貯蔵室には、冷蔵庫本体１の背面側に設けられた冷却室（図示せず）で生成した冷気が供給される。 As shown in FIGS. 1 to 3, the refrigerator main body 1 includes three storage rooms arranged in the vertical direction, that is, a refrigeration room 2 as a top storage room, a freezing room 3 as a central storage room, It has a vegetable room 4 which is the lowest storage room. Cold air generated in a cooling chamber (not shown) provided on the back side of the refrigerator body 1 is supplied to these storage chambers.

　これらの貯蔵室は、金属製（例えば鉄）の外箱と、硬質樹脂製（例えばＡＢＳ樹脂）の内箱との間に、硬質ウレタン等からなる発泡断熱材が充填され、耐熱性を備える。各貯蔵室の前面開口には、冷蔵庫本体１と同様の構成によって断熱性を有する扉５、扉６、扉７がそれぞれ開閉自在に取り付けられている。 These storage chambers have heat resistance by being filled with a foam heat insulating material made of hard urethane or the like between a metal (for example, iron) outer box and a hard resin (for example, ABS resin) inner box. A door 5, door 6, and door 7 having heat insulating properties are attached to the front opening of each storage room so as to be openable and closable with the same configuration as the refrigerator body 1.

　図３に示されるように、冷蔵室２の扉５は、その一辺においてヒンジ部材８によって回動自在に支持される。 As shown in FIG. 3, the door 5 of the refrigerator compartment 2 is rotatably supported by a hinge member 8 on one side thereof.

　扉５は、前面から側面にわたって扉５の表面を覆う金属製の外装板１１と、樹脂製の内フレーム１２と、扉の下面を覆うＡＢＳ等の樹脂製の扉キャップ部材１０と、扉５の内部に充填された硬質発泡ウレタン等である発泡断熱材１３とを含む。 The door 5 includes a metal exterior plate 11 that covers the surface of the door 5 from the front surface to the side surface, a resin inner frame 12, a resin door cap member 10 such as ABS that covers the lower surface of the door, And a foam heat insulating material 13 made of hard foamed urethane or the like filled inside.

　本実施の形態においては、外装板１１の側面が縦枠に相当し、扉キャップ部材１０が横枠に相当する。縦枠と横枠とで扉５の骨格である扉枠が構成される。 In the present embodiment, the side surface of the exterior plate 11 corresponds to a vertical frame, and the door cap member 10 corresponds to a horizontal frame. The vertical frame and the horizontal frame constitute a door frame that is a skeleton of the door 5.

　以下、冷蔵室２を用いて、本発明にかかる扉用ヒンジ軸受の周辺構造について、図面を用いて説明する。 Hereinafter, the peripheral structure of the hinge bearing for a door according to the present invention will be described using the refrigerator compartment 2 with reference to the drawings.

　図４～７は、それぞれ、本実施の形態の冷蔵庫に設けられた扉用ヒンジ軸受の周辺構造を示す分解斜視図、縦断面図、上面図、下面図である。 4 to 7 are an exploded perspective view, a longitudinal sectional view, a top view, and a bottom view showing the peripheral structure of the door hinge bearing provided in the refrigerator according to the present embodiment, respectively.

　図４に示されるように、扉キャップ部材１０は、内側に、固定用ネジ孔２０ｂとヒンジ軸受孔２１ｂとが形成され、固定用ネジ孔２０ｂにビス２５が、ヒンジ軸受孔２１ｂにヒンジ軸受２６が、それぞれ嵌め込まれる。 As shown in FIG. 4, the door cap member 10 is formed with a fixing screw hole 20b and a hinge bearing hole 21b on the inner side, a screw 25 in the fixing screw hole 20b, and a hinge bearing 26 in the hinge bearing hole 21b. Are fitted.

　一方、補強部材１５は、水平方向に延在する第一補強部１６と垂直方向に延在する第二補強部１７とを有してＬ字状に形成された金属製部材である。第一補強部１６には、屈曲片１８と固定用ネジ孔２０ａとヒンジ軸受孔２１ａとが形成され、第二補強部１７には、屈曲片１９が形成されている。 On the other hand, the reinforcing member 15 is a metal member formed in an L shape having a first reinforcing portion 16 extending in the horizontal direction and a second reinforcing portion 17 extending in the vertical direction. A bent piece 18, a fixing screw hole 20 a and a hinge bearing hole 21 a are formed in the first reinforcing portion 16, and a bent piece 19 is formed in the second reinforcing portion 17.

　固定用ネジ孔２０ａにビス２５が、ヒンジ軸受孔２１ａにヒンジ軸受２６がそれぞれ嵌め込まれ、補強部材１５が扉キャップ部材１０の内側のヒンジ軸受の周辺に設置される（図６参照）。 The screw 25 is fitted into the fixing screw hole 20a and the hinge bearing 26 is fitted into the hinge bearing hole 21a, and the reinforcing member 15 is installed around the hinge bearing inside the door cap member 10 (see FIG. 6).

　図５に示されるように、扉キャップ部材１０は、その側面である外周壁１４の上端に設けられた溝を、外装板１１の下端に嵌め込むことで、扉５の下端に取り付けられる。 As shown in FIG. 5, the door cap member 10 is attached to the lower end of the door 5 by fitting a groove provided at the upper end of the outer peripheral wall 14 that is the side surface of the door cap member 10 into the lower end of the exterior plate 11.

　扉保持部材２２は、ＰＯＭ（ポリアセタール樹脂）等の滑りの良い樹脂で形成され、扉キャップ部材１０のヒンジ軸受の周辺の下面に設置される。扉保持部材２２には、固定用ネジ孔２０ｃとヒンジ軸受孔２１ｃとが設けられる。 The door holding member 22 is made of a slippery resin such as POM (polyacetal resin) and is installed on the lower surface of the door cap member 10 around the hinge bearing. The door holding member 22 is provided with a fixing screw hole 20c and a hinge bearing hole 21c.

　扉５を閉じると、扉保持部材２２は、その一端に設けられた鉤状部材２３（図７参照）がヒンジ部材８の突起（不図示）に引っ掛かり、一旦閉じた扉５が気密用パッキンの弾力で再び開くことを防止する。 When the door 5 is closed, the door holding member 22 has a hook-shaped member 23 (see FIG. 7) provided at one end thereof caught on a protrusion (not shown) of the hinge member 8, and the door 5 once closed is the airtight packing. Prevent re-opening with elasticity.

　補強板２４は、固定用ネジ孔２０ｄとヒンジ軸受孔２１ｄとが設けられた金属製の部材であり、扉キャップ部材１０の下面の平面度を向上させ、その下方に位置するヒンジ部材８による扉５の回動を安定化させるために、扉保持部材２２の下面に設けられる。 The reinforcing plate 24 is a metal member provided with a fixing screw hole 20d and a hinge bearing hole 21d. The reinforcing plate 24 improves the flatness of the lower surface of the door cap member 10, and the door is formed by the hinge member 8 positioned below the door cap member 10. 5 is provided on the lower surface of the door holding member 22 in order to stabilize the rotation of the door 5.

　補強板２４と扉保持部材２２と補強部材１５の第一補強部１６とは、ビス２５を固定用ネジ孔２０ａ、固定用ネジ孔２０ｂ、固定用ネジ孔２０ｃ、固定用ネジ孔２０ｄにねじ込むことで、扉キャップ部材１０に固定される。 The reinforcing plate 24, the door holding member 22, and the first reinforcing portion 16 of the reinforcing member 15 screw the screw 25 into the fixing screw hole 20a, the fixing screw hole 20b, the fixing screw hole 20c, and the fixing screw hole 20d. Thus, the door cap member 10 is fixed.

　ヒンジ軸受２６は、底を有する円筒形状の部材であり、ヒンジ軸受孔２１ａ、ヒンジ軸受孔２１ｂ、ヒンジ軸受孔２１ｃ、ヒンジ軸受孔２１ｄにおいて、補強部材１５の第一補強部１６、扉キャップ部材１０、扉保持部材２２、補強板２４をそれぞれ貫通し、扉５の発泡断熱材１３の内部に突き出すように設置される。 The hinge bearing 26 is a cylindrical member having a bottom. In the hinge bearing hole 21a, the hinge bearing hole 21b, the hinge bearing hole 21c, and the hinge bearing hole 21d, the first reinforcing portion 16 of the reinforcing member 15 and the door cap member 10 are provided. The door holding member 22 and the reinforcing plate 24 are installed so as to protrude through the foam insulation 13 of the door 5.

　従って、補強部材１５と扉保持部材２２と補強板２４とは、ビス２５とヒンジ軸受２６の二箇所で扉キャップ部材１０に固定され、所定位置に配置される。 Therefore, the reinforcing member 15, the door holding member 22, and the reinforcing plate 24 are fixed to the door cap member 10 at two locations of the screw 25 and the hinge bearing 26, and are arranged at predetermined positions.

　ヒンジ部材８は、扉キャップ部材１０のヒンジ軸受２６に挿入されるヒンジ軸２７と、ヒンジ軸２７を支持する平板部２８とを備え、冷蔵庫本体１にビス止め固定され、扉５を回動自在に支持する。 The hinge member 8 includes a hinge shaft 27 that is inserted into the hinge bearing 26 of the door cap member 10 and a flat plate portion 28 that supports the hinge shaft 27. The hinge member 8 is fixed to the refrigerator main body 1 with screws and can rotate the door 5. To support.

　補強部材１５の第二補強部１７は、ヒンジ軸受２６と扉キャップ部材１０の外周壁１４との間に配置される。第二補強部１７の上端は、外周壁１４と外装板１１との接合部と重なるように、外装板１１の下端よりも上方に位置している。第二補強部１７と外周壁１４および外装板１１との間、および、第二補強部１７とヒンジ軸受２６との間には、発泡断熱材１３が充填される。 The second reinforcing portion 17 of the reinforcing member 15 is disposed between the hinge bearing 26 and the outer peripheral wall 14 of the door cap member 10. The upper end of the second reinforcing portion 17 is located above the lower end of the exterior plate 11 so as to overlap the joint portion between the outer peripheral wall 14 and the exterior plate 11. The foam heat insulating material 13 is filled between the second reinforcing portion 17 and the outer peripheral wall 14 and the exterior plate 11 and between the second reinforcing portion 17 and the hinge bearing 26.

　以下、本実施の形態の冷蔵庫に設けられた扉用ヒンジ軸受の作用効果について説明する。 Hereinafter, the effect of the hinge bearing for doors provided in the refrigerator according to the present embodiment will be described.

　扉５の開成時、全開状態で扉５が停止する瞬間に、扉５の旋回方向の慣性荷重がヒンジ軸受２６の近傍に加わる。 When the door 5 is opened, an inertial load in the turning direction of the door 5 is applied to the vicinity of the hinge bearing 26 at the moment when the door 5 stops in the fully opened state.

　本実施の形態においては、上記のように、第二補強部１７の上端が、外周壁１４と外装板１１との接合部と重なった構成であるため、樹脂性の扉キャップ部材１０は、この旋回方向の慣性荷重に耐えることができる。 In the present embodiment, as described above, since the upper end of the second reinforcing portion 17 is configured to overlap with the joint portion between the outer peripheral wall 14 and the exterior plate 11, the resinous door cap member 10 has It can withstand the inertial load in the turning direction.

　また、第二補強部１７、外周壁１４、外装板１１、ヒンジ軸受２６は、それらの間に充填された発泡断熱材１３によって一体化されるため、発泡断熱材１３による機械的強度および衝撃吸収効果が加わって、扉５の慣性荷重に対する強度がさらに増している。 Moreover, since the 2nd reinforcement part 17, the outer peripheral wall 14, the exterior board 11, and the hinge bearing 26 are integrated by the foam heat insulating material 13 filled between them, the mechanical strength and shock absorption by the foam heat insulating material 13 are integrated. In addition to the effect, the strength of the door 5 against the inertial load is further increased.

　ヒンジ軸受２６が、補強部材１５の第一補強部１６を貫通し、扉キャップ部材１０の下方の補強板２４と、扉キャップ部材１０の上方の第一補強部１６とが、ビス２５およびヒンジ軸受２６の二箇所で固定され、所定位置に配置されている。 The hinge bearing 26 penetrates the first reinforcing portion 16 of the reinforcing member 15, and the reinforcing plate 24 below the door cap member 10 and the first reinforcing portion 16 above the door cap member 10 are connected to the screw 25 and the hinge bearing. 26 are fixed at two locations and arranged at predetermined positions.

　これにより、ヒンジ軸受の慣性荷重に対する強度がさらに向上する。その結果、第二補強部１７が、発泡断熱材１３からだけでなく、ヒンジ軸受２６からも伝わる可能性のある水平方向の荷重をより確実に受け止めることができる。 This further improves the strength of the hinge bearing against the inertial load. As a result, the second reinforcing portion 17 can more reliably receive a horizontal load that may be transmitted not only from the foam heat insulating material 13 but also from the hinge bearing 26.

　仮に発泡断熱材１３からの荷重が回転方向のねじれ成分を有していても、第一補強部１６及び第二補強部１７にそれぞれ設けられた屈曲片１８および屈曲片１９が、この慣性荷重のねじれ成分を受け止め、扉キャップ部材１０を保護する。 Even if the load from the foam heat insulating material 13 has a torsional component in the rotational direction, the bent piece 18 and the bent piece 19 provided in the first reinforcing portion 16 and the second reinforcing portion 17 respectively have the inertial load. The twisting component is received and the door cap member 10 is protected.

　その結果、補強部材１５が、長期間にわたって受ける水平方向の強い荷重により位置ずれを起こし、第一補強部１６の端部による外周壁１４の損傷を防止することができる。 As a result, the reinforcing member 15 is displaced due to a strong horizontal load received over a long period of time, and damage to the outer peripheral wall 14 due to the end of the first reinforcing portion 16 can be prevented.

　万一、扉キャップ部材１０が割れても、硬質発泡ウレタンの物性的特長である弾性破壊の限界値の高さにより、扉の突然の落下を防止することができる。このようにして、安全性を担保することができる。 Even if the door cap member 10 is cracked, the door can be prevented from suddenly dropping due to the height of the limit value of elastic fracture, which is a physical characteristic of rigid urethane foam. In this way, safety can be ensured.

　以上のように、本発明の形態によれば、大型冷蔵庫において、長期間にわたって、扉の開成を強い力で繰り返し行っても、ヒンジ軸受の周辺、例えば、扉キャップ部材１０における、ひび割れ、一部欠け落ち等の損傷を防止することができる。 As described above, according to the embodiment of the present invention, in the large refrigerator, even if the opening of the door is repeatedly performed with a strong force over a long period of time, cracks or part of the periphery of the hinge bearing, for example, the door cap member 10 Damage such as chipping off can be prevented.

　（実施の形態２）
　以下、本発明の実施の形態２における冷蔵庫の扉用ヒンジ軸受について、図面を用いて説明する。 (Embodiment 2)
Hereinafter, a hinge bearing for a refrigerator door according to Embodiment 2 of the present invention will be described with reference to the drawings.

　図８は、本発明に係る実施の形態２における冷蔵庫における扉枠を示す分解斜視図である。図９は、本実施の形態の冷蔵庫に設けられた扉用ヒンジ軸受の周辺構造を示す拡大斜視図である。図１０は、本実施の形態の冷蔵庫に設けられた扉用ヒンジ軸受の周辺構造を示す縦断面図である。 FIG. 8 is an exploded perspective view showing a door frame in the refrigerator according to the second embodiment of the present invention. FIG. 9 is an enlarged perspective view showing a peripheral structure of a door hinge bearing provided in the refrigerator of the present embodiment. FIG. 10 is a longitudinal sectional view showing a peripheral structure of a door hinge bearing provided in the refrigerator of the present embodiment.

　ここでは、実施の形態２において、実施の形態１と異なる部分について説明し、実施の形態１と同一の部分については同一の符号を付し説明を省略する。 Here, in the second embodiment, parts different from the first embodiment will be described, and the same parts as those in the first embodiment will be denoted by the same reference numerals and description thereof will be omitted.

　図８に示されるように、扉５は、ヒンジ部材８が下面に取り付けられた横枠９ａと、横枠９ａと結合された縦枠９ｂと、縦枠９ｂの内側に取り付けられた枠補強板３０とを含む。横枠９ａおよび縦枠９ｂはＡＢＳ等の樹脂製であり、枠補強板３０は金属製である。本実施の形態においては、横枠９ａと縦枠９ｂとで扉５の骨格である扉枠９が構成される。 As shown in FIG. 8, the door 5 includes a horizontal frame 9a having a hinge member 8 attached to the lower surface, a vertical frame 9b coupled to the horizontal frame 9a, and a frame reinforcing plate attached to the inside of the vertical frame 9b. 30. The horizontal frame 9a and the vertical frame 9b are made of resin such as ABS, and the frame reinforcing plate 30 is made of metal. In the present embodiment, the horizontal frame 9 a and the vertical frame 9 b constitute a door frame 9 that is a skeleton of the door 5.

　図９に示されるように、枠補強板３０は、断面がコ字状に形成され、上下方向に列設された複数の孔３０ａに縦枠９ｂからの突起９ｃを嵌め込んで縦枠９ｂと一体化され、縦枠９ｂを補強する。補強部材１５の第一補強部１６は、横枠９ａと縦枠９ｂとの接合部の近傍において横枠９ａの上面に設置される。 As shown in FIG. 9, the frame reinforcing plate 30 has a U-shaped cross section, and the projections 9c from the vertical frame 9b are fitted into a plurality of holes 30a arranged in the vertical direction. It is integrated and the vertical frame 9b is reinforced. The first reinforcing portion 16 of the reinforcing member 15 is installed on the upper surface of the horizontal frame 9a in the vicinity of the joint between the horizontal frame 9a and the vertical frame 9b.

　なお、扉枠９の前面に、ガラス製の外装板（不図示）が嵌め込まれ、外装板に対向して、樹脂製の内フレーム（不図示）が扉枠９に取り付けられる。 A glass exterior plate (not shown) is fitted on the front surface of the door frame 9, and a resin inner frame (not shown) is attached to the door frame 9 so as to face the exterior plate.

　図１０に示されるように、補強板２４と扉保持部材２２と補強部材１５の第一補強部１６とは、ビス２５を固定用ネジ孔２０ａ、固定用ネジ孔２０ｂ、固定用ネジ孔２０ｃ、固定用ネジ孔２０ｄに螺合することで横枠９ａ上に固定される。 As shown in FIG. 10, the reinforcing plate 24, the door holding member 22, and the first reinforcing portion 16 of the reinforcing member 15 include screws 25 for fixing screw holes 20 a, fixing screw holes 20 b, fixing screw holes 20 c, It is fixed on the horizontal frame 9a by being screwed into the fixing screw hole 20d.

　補強部材１５の第二補強部１７は、枠補強板３０とヒンジ軸受２６と間に配置される。第二補強部１７の上端は、枠補強板３０の下端と重なるように構成される。 The second reinforcing portion 17 of the reinforcing member 15 is disposed between the frame reinforcing plate 30 and the hinge bearing 26. The upper end of the second reinforcing portion 17 is configured to overlap the lower end of the frame reinforcing plate 30.

　扉５の内部、すなわち、扉枠９と外装板と内フレームとの間には、実施の形態１と同様、発泡断熱材１３が充填されている。 The interior of the door 5, that is, between the door frame 9, the exterior plate, and the inner frame is filled with the foam heat insulating material 13 as in the first embodiment.

　このように構成された補強部材１５および枠補強板３０により、樹脂性の扉枠９が慣性荷重に耐えることを可能としている。すなわち、扉５の下面にかかる慣性荷重は、第一補強部１６が強度メンバーとして受け止め、縦枠９ｂにかかる慣性荷重は、第二補強部１７と枠補強板３０とが強度メンバーとして受け止める。 The resin-made door frame 9 can withstand the inertial load by the reinforcing member 15 and the frame reinforcing plate 30 thus configured. That is, the inertial load applied to the lower surface of the door 5 is received by the first reinforcing portion 16 as a strength member, and the inertial load applied to the vertical frame 9b is received by the second reinforcing portion 17 and the frame reinforcing plate 30 as strength members.

　また、第二補強部１７、枠補強板３０、ヒンジ軸受２６は、それらの間に充填された発泡断熱材１３によって一体化されるため、発泡断熱材１３による機械的強度および衝撃吸収効果が加わって、扉５の慣性荷重に対する強度がさらに増している。 Further, since the second reinforcing portion 17, the frame reinforcing plate 30 and the hinge bearing 26 are integrated by the foam heat insulating material 13 filled therebetween, the mechanical strength and the shock absorbing effect by the foam heat insulating material 13 are added. Thus, the strength of the door 5 against the inertial load is further increased.

　以上のように、本発明の形態によれば、大型冷蔵庫において、長期間にわたって、扉の開成を強い力で繰り返し行っても、ヒンジ軸受の周辺、例えば、扉枠９における、ひび割れ、一部欠け落ち等の損傷を防止できる。 As described above, according to the embodiment of the present invention, in a large refrigerator, even if the door is repeatedly opened with a strong force over a long period of time, cracks or partial cracks in the periphery of the hinge bearing, for example, in the door frame 9 Damage such as dropping can be prevented.

　言うまでもなく、上記実施の形態は本発明を実施するための一例であり、本発明の目的が達成できる限り、必要に応じて修正または変更は可能である。 Needless to say, the above embodiment is an example for carrying out the present invention, and can be modified or changed as necessary as long as the object of the present invention can be achieved.

　例えば、上記実施の形態において、第一補強部と第二補強部の両方が縁部に二つの屈曲片を備えている。しかし、必ずしも第一補強部、第二補強部がともに二つの屈曲片を有する必要はなく、いずれか一方が少なくとも一つの屈曲片を備えていれば同様の効果を得ることができる。 For example, in the above embodiment, both the first reinforcing portion and the second reinforcing portion are provided with two bent pieces at the edge. However, the first reinforcing portion and the second reinforcing portion do not necessarily need to have two bent pieces, and the same effect can be obtained if either one has at least one bent piece.

　実施の形態１において使用される金属製の外装板１１の代わりに、質感の向上のため、ガラス板または透明な合成樹脂板を外装板として用いてもよい。実施の形態２において、横枠９ａと縦枠９ｂとを一体成型して、扉枠９が構成されてもよい。 Instead of the metal exterior plate 11 used in the first embodiment, a glass plate or a transparent synthetic resin plate may be used as the exterior plate for improving the texture. In the second embodiment, the door frame 9 may be configured by integrally molding the horizontal frame 9a and the vertical frame 9b.

　以上詳細に説明したように、本発明は、扉の開成を長期間にわたって繰り返し行っても、ヒンジ軸受の周辺における、ひび割れ、一部欠け落ち等の損傷を防止することができる。このようにして、耐久性の高い冷蔵庫を提供することができるので、本発明は、一般用はもちろん業務用の冷蔵庫にも幅広く適用可能である。 As described in detail above, the present invention can prevent damage such as cracks and partial chipping around the hinge bearing even if the door is repeatedly opened over a long period of time. Thus, since a highly durable refrigerator can be provided, the present invention can be widely applied to commercial refrigerators as well as general ones.

　１，１０２　冷蔵庫本体
　２　冷蔵室
　３　冷凍室
　４　野菜室
　５，６，７，１０５　扉
　８，１０１　ヒンジ部材
　９　扉枠
　９ａ　横枠
　９ｂ　縦枠
　１０　扉キャップ部材
　１１　外装板
　１２　内フレーム
　１３　発泡断熱材
　１４　外周壁
　１５　補強部材
　１６　第一補強部
　１７　第二補強部
　１８，１９　屈曲片
　２０ａ，２０ｂ，２０ｃ，２０ｄ　固定用ネジ孔
　２１ａ，２１ｂ，２１ｃ，２１ｄ　ヒンジ軸受孔
　２２　扉保持部材
　２３　鉤状部材
　２４　補強板
　２５　ビス
　２６，１０７　ヒンジ軸受
　２７，１０３　ヒンジ軸
　２８　平板部
　３０　枠補強板
　３０ａ　孔
　１０４　扉部品
　１０６　ストッパ板 DESCRIPTION OF SYMBOLS 1,102 Refrigerator body 2 Refrigerating room 3 Freezing room 4

Vegetable room

5, 6, 7, 105 Door 8,101 Hinge member 9 Door frame 9a Horizontal frame 9b Vertical frame 10 Door cap member 11 Exterior plate 12 Inner frame 13 Foam insulation DESCRIPTION OF SYMBOLS 14 Outer peripheral wall 15 Reinforcement member 16 1st reinforcement part 17

2nd reinforcement part

18, 19

Bending piece

20a, 20b, 20c, 20d

Fixing screw hole

21a, 21b, 21c, 21d Hinge bearing hole 22 Door holding member 23 Gutter-like member 24 Reinforcing plate 25

Screw

26, 107 Hinge bearing 27, 103 Hinge shaft 28 Flat plate portion 30 Frame reinforcing plate 30a Hole 104 Door component 106 Stopper plate

Claims

　貯蔵室が設けられ、ヒンジ軸を有するヒンジ部材が設けられた冷蔵庫本体と、
　ヒンジ軸受が設けられ、前記ヒンジ軸受が前記ヒンジ軸と噛み合うことで前記ヒンジ部材により回動自在に支持され、前記貯蔵室の前面開口を覆う扉とを備え、
　前記扉は、
　外装板と、内フレームと、
　前記ヒンジ軸受が設けられ、樹脂部材を有する横枠と、
　垂直方向に延在する金属部材を有する縦枠と、
　前記外装板と前記内フレームと前記縦枠と前記横枠との間に充填された断熱材と、
　前記横枠に設けられ、前記横枠に沿って延在し前記ヒンジ軸受が貫通する第一補強部と、前記ヒンジ軸受と前記縦枠との間に前記縦枠に沿って延在し前記縦枠の金属部材と重なりを有する第二補強部とを含む補強部材と、
を有する冷蔵庫。 A refrigerator body provided with a storage chamber and provided with a hinge member having a hinge shaft;
A hinge bearing is provided, and the hinge bearing is rotatably supported by the hinge member by meshing with the hinge shaft, and includes a door that covers the front opening of the storage chamber,
The door
An exterior plate, an inner frame,
A horizontal frame provided with the hinge bearing and having a resin member;
A vertical frame having a metal member extending in a vertical direction;
A heat insulating material filled between the outer plate, the inner frame, the vertical frame, and the horizontal frame;
A first reinforcing portion provided on the horizontal frame, extending along the horizontal frame and through which the hinge bearing passes, and extending along the vertical frame between the hinge bearing and the vertical frame; A reinforcing member including a metal member of the frame and a second reinforcing portion having an overlap;
Refrigerator.
　前記縦枠が、前面から側面にわたって前記扉の表面を覆う金属製の外装板を含み、
　前記横枠が、前記補強部材を備え、前記外装板と接合された外周壁を有する樹脂製の扉キャップ部材を含み、
　前記ヒンジ軸受が、前記第一補強部を貫通するように前記扉キャップ部材に設けられ、
　前記第二補強部が、前記外周壁と前記ヒンジ軸受との間に前記外周壁に沿って延在し、前記外装板と重なりを有する請求項１に記載の冷蔵庫。 The vertical frame includes a metal exterior plate that covers the surface of the door from the front surface to the side surface,
The horizontal frame includes the reinforcing member, and includes a resin door cap member having an outer peripheral wall joined to the exterior plate,
The hinge bearing is provided on the door cap member so as to penetrate the first reinforcing portion,
2. The refrigerator according to claim 1, wherein the second reinforcing portion extends along the outer peripheral wall between the outer peripheral wall and the hinge bearing and overlaps with the exterior plate.
　前記縦枠が、金属部材である枠補強板を内側に備え、前記第二補強部が、前記ヒンジ軸受と前記縦枠の間に前記縦枠に沿って延在し、前記枠補強板と重なりを有する請求項１に記載の冷蔵庫。 The vertical frame includes a frame reinforcing plate that is a metal member, and the second reinforcing portion extends along the vertical frame between the hinge bearing and the vertical frame, and overlaps the frame reinforcing plate. The refrigerator according to claim 1.
　前記第一補強部と前記第二補強部との少なくともいずれか一方は、縁部に屈曲片を備えた請求項１に記載の冷蔵庫。 The refrigerator according to claim 1, wherein at least one of the first reinforcing portion and the second reinforcing portion includes a bent piece at an edge portion.
　前記第一補強部は、前記ヒンジ軸受を含む少なくとも二箇所で前記横枠に固定される請求項１に記載の冷蔵庫。 The refrigerator according to claim 1, wherein the first reinforcing portion is fixed to the horizontal frame at at least two locations including the hinge bearing.
　前記縦枠と前記第二補強部との間および前記第二補強部と前記ヒンジ軸受との間に、発泡断熱材が充填された請求項１に記載の冷蔵庫。 The refrigerator according to claim 1, wherein a foam heat insulating material is filled between the vertical frame and the second reinforcing portion and between the second reinforcing portion and the hinge bearing.