JP2007178078A - Automatic door opening device for refrigerator - Google Patents

Automatic door opening device for refrigerator Download PDF

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JP2007178078A
JP2007178078A JP2005377972A JP2005377972A JP2007178078A JP 2007178078 A JP2007178078 A JP 2007178078A JP 2005377972 A JP2005377972 A JP 2005377972A JP 2005377972 A JP2005377972 A JP 2005377972A JP 2007178078 A JP2007178078 A JP 2007178078A
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door
refrigerator
opening device
automatic
doors
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Tadahiro Kawamura
忠弘 川村
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Panasonic Holdings Corp
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Matsushita Electric Industrial Co Ltd
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Priority to JP2005377972A priority Critical patent/JP2007178078A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To provide an automatic door opening device for a refrigerator capable of simultaneously opening first and second doors of a bipartisan door-type refrigerator only by one automatic door opening device by bifurcating the tip shape of a pushing-out bar of the automatic door opening device into two. <P>SOLUTION: This automatic door opening device 16 provided with the pushing-out bar 14 of which the tip shape movable in the longitudinal direction is branched into two, and a drive switch 15 for longitudinally driving back and forth the pushing-out bar 14, at a refrigerator door 7 side, is disposed on a ceiling portion 13 of an anti-hinge 10 side of a refrigerator main body 6. Thus the first and second doors of the biparting door-type refrigerator can be simultaneously opened only by one automatic door opening device. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は冷蔵庫の扉自動開放装置に関するものである。   The present invention relates to an automatic door opening device for a refrigerator.

従来、市販されている冷蔵庫には、断熱箱体における開口部の前面に、それぞれの一端部がヒンジで支持された観音開き式の第１及び第２の扉が設けられ、これら両扉の内周縁には、それぞれガスケットが取り付けられていて、その扉が冷蔵室に連なる開口を閉じていると、当該扉と冷蔵庫の前縁との間には、ほぼ気密シールが画成されて、冷蔵庫内の冷気が外部に逃げないようになっている。周知のように、前記磁気ガスケットは、扉を密閉させておくのに必要な磁気吸引力を醸し出す永久磁石が埋設された構成になっている。ところが、冷蔵庫扉を開ける際に、磁気ガスケットが扉と冷蔵庫外箱の前縁との間の磁気吸引力を解除するには、相当の力が必要となる。両扉の庫内側に、満杯のビン類や缶詰類、小容器類など扉に相当の荷重がかかっている場合、相当の力が必要であり、近年冷蔵庫扉の開放操作力を低減するために冷蔵庫の扉を電気的な駆動源を用いて開放させる扉自動開放装置を備えるものがある（例えば、特許文献１参照）。   Conventionally, refrigerators that are commercially available are provided with front-opening first and second doors each having one end supported by a hinge on the front surface of the opening in the heat insulating box, and the inner peripheral edges of both doors. Each has a gasket attached, and when the door closes the opening connected to the refrigerator compartment, an almost airtight seal is defined between the door and the front edge of the refrigerator. Cold air does not escape to the outside. As is well known, the magnetic gasket has a structure in which a permanent magnet that produces a magnetic attractive force necessary to keep the door sealed is embedded. However, when the refrigerator door is opened, a considerable force is required for the magnetic gasket to release the magnetic attractive force between the door and the front edge of the refrigerator outer box. When a considerable load is applied to the doors such as full bottles, canned goods, small containers, etc. inside the doors of both doors, a considerable force is required, and in recent years to reduce the opening operation force of the refrigerator door Some include an automatic door opening device that opens a refrigerator door using an electric drive source (see, for example, Patent Document 1).

図８は、特許文献１に記載された従来の冷蔵庫の扉自動開放装置の要部縦断面図を示すものである。例えば、駆動源としてモータ１８を用いると共に、ギア機構を介してピニオン１９に伝え、ピニオン１９とラック２０により、直線運動に変換し、そのラック２０と一体の押出し棒２１を、前後に直線運動させる構成とする。このような構成の電動式の扉自動開放装置２２を、冷蔵庫扉７と対向する冷蔵庫本体６側に設置する。そして、駆動スイッチ１５操作に基づき、モータ１８を回転させ、その回転に基づき押出し棒２１を突出させ、その押出し棒２１により冷蔵庫扉７を押し開ける構成とするものである。
特開２００１−５６１７６号公報 FIG. 8 shows a longitudinal sectional view of a main part of a conventional refrigerator door automatic opening device described in Patent Document 1. As shown in FIG. For example, the motor 18 is used as a drive source and is transmitted to the pinion 19 through a gear mechanism, converted into a linear motion by the pinion 19 and the rack 20, and the push rod 21 integrated with the rack 20 is linearly moved back and forth. The configuration. The electric door automatic opening device 22 having such a configuration is installed on the refrigerator body 6 side facing the refrigerator door 7. Then, the motor 18 is rotated based on the operation of the drive switch 15, the push rod 21 is projected based on the rotation, and the refrigerator door 7 is pushed open by the push rod 21.
JP 2001-56176 A

しかしながら、上記のような構成では、冷蔵室の扉が、第１及び第２扉を有する観音扉式に於いては、扉が２枚有り、上記扉自動開放装置を、冷蔵庫本体の天井部に２個設置しなくてはならず、設置スペース的にも又、コスト的にも、非常に高くなるという課題を有していた。本発明は、上記課題を解決するもので、扉自動開放装置の押出し棒の先端形状を二股に分岐させることで、一つの扉自動開放装置だけで、観音扉式冷蔵庫の第１及び第２の扉を同時開放させることができる冷蔵庫の扉自動開放装置を提供することを目的とする。   However, in the configuration as described above, the door of the refrigerator compartment has two doors in the kannon door type having the first and second doors, and the door automatic opening device is provided on the ceiling portion of the refrigerator main body. Two pieces had to be installed, and there was a problem that the installation space and cost were very high. The present invention solves the above-mentioned problem, and by branching the tip shape of the push-out rod of the automatic door opening device into two branches, the first and second doors of the double door type refrigerator can be formed with only one automatic door opening device. An object of the present invention is to provide an automatic door opening device for a refrigerator capable of simultaneously opening the doors.

上記従来の課題を解決するために、本発明の冷蔵庫の扉自動開放装置は、冷蔵庫本体の前面において開口部を有した断熱箱体と、この断熱箱体に、一端部がヒンジを介して回動可能に支持され、前記開口部を開閉するように設けられた第１及び第２の扉と、前記第１及び第２の扉の内周縁に、前記冷蔵庫本体の前面に吸着する様に、装着されたガスケットが、設けられた、回動式の扉を開放させるものであって、前記冷蔵庫本体の反ヒンジ側の天井部に、前後に可動可能な押出し棒を有し、自動的に前記第１及び第２の扉の一部に当接させ、開放させることができる扉自動開放装置において、前記扉自動開放装置の押出し棒の先端形状を、二股に分岐させた構成としたものである。   In order to solve the above-described conventional problems, an automatic door opening device for a refrigerator according to the present invention includes a heat insulating box body having an opening on the front surface of the refrigerator main body, and one end portion that is connected to the heat insulating box body via a hinge. The first and second doors that are movably supported and provided to open and close the opening, and the inner peripheral edges of the first and second doors so as to be adsorbed to the front surface of the refrigerator body, The mounted gasket is provided to open the pivotable door, and has a push bar that can be moved back and forth on the ceiling portion on the side opposite to the hinge of the refrigerator body. In the automatic door opening device that can be brought into contact with a part of the first and second doors and opened, the tip shape of the push rod of the automatic door opening device is bifurcated. .

これによって、一つの扉自動開放装置だけで、観音扉式冷蔵庫の第１及び第２の扉を同時開放させることができるものである。   Thus, the first and second doors of the door-to-door refrigerator can be simultaneously opened with only one automatic door opening device.

本発明の冷蔵庫の扉自動開放装置は、扉自動開放装置の押出し棒の先端形状を二股に分岐させることで、一つの扉自動開放装置だけで、観音扉式冷蔵庫の第１及び第２の扉を同時開放させることができ、使い勝手の向上が図れる。   The automatic door opening device for a refrigerator according to the present invention has a first and second doors for a double door type refrigerator with only one automatic door opening device by bifurcating the tip of the push bar of the automatic door opening device. Can be opened simultaneously, improving usability.

請求項１に記載の発明は、冷蔵庫本体の前面に開口部を有した断熱箱体と、この断熱箱体に一端がヒンジを介して回動可能に支持され、前記開口部を閉塞するように設けられた観音開き式の第１及び第２の扉と、前記第１及び第２の扉の内周縁に装着されたガスケットとを有し、前記第１及び第２の扉の反ヒンジ側の断熱箱体天井部に扉自動開放装置を備えた冷蔵庫において、前記扉自動開放装置は押出し棒を備え、前記押出し棒の先端は二股に分岐し、前記第１及び第２の扉を同時に開放可能としたものであり、使い勝手の向上が図れる。   The invention according to claim 1 is such that the heat insulating box having an opening on the front surface of the refrigerator main body, and one end of the heat insulating box that is pivotally supported via a hinge to close the opening. Insulation on the anti-hinge side of the first and second doors, having a double door first and second door provided, and a gasket attached to the inner periphery of the first and second doors In the refrigerator provided with a door automatic opening device in the box ceiling, the door automatic opening device includes an extrusion rod, the tip of the extrusion rod branches into two branches, and the first and second doors can be opened simultaneously. Therefore, it is possible to improve usability.

請求項２に記載の発明は、請求項１に記載の発明において、扉自動開放装置の前記押出し棒が、前記第１あるいは第２扉側前面に設けられた切換スイッチを押すことで９０°回転し、第１或いは第２の扉のみ開放可能とするものであり、必要なときに片側のみの扉を開閉でき、さらに使い勝手の向上を図ることができる。   According to a second aspect of the present invention, in the first aspect of the invention, the push-out bar of the automatic door opening device rotates 90 ° by pressing a changeover switch provided on the front surface of the first or second door. However, only the first or second door can be opened, and the door on only one side can be opened and closed when necessary, and the usability can be further improved.

以下、本発明の実施の形態について、図面を参照しながら説明する。なお、この実施の形態によってこの発明が限定されるものではない。   Hereinafter, embodiments of the present invention will be described with reference to the drawings. The present invention is not limited to the embodiments.

（実施の形態１）
図１は本発明の実施の形態１における冷蔵庫の扉自動開放装置の要部縦断面図である。図２は同実施の形態における冷蔵庫の扉自動開放装置の平面図である。図３は同実施の形態における冷蔵庫の扉自動開放装置が扉開放した時の平面図である。図４は同実施の形態における冷蔵庫の扉自動開放装置の要部正面図である。 (Embodiment 1)
FIG. 1 is a longitudinal sectional view of an essential part of an automatic door opening device for a refrigerator according to Embodiment 1 of the present invention. FIG. 2 is a plan view of the refrigerator door automatic opening device according to the embodiment. FIG. 3 is a plan view when the door automatic opening device of the refrigerator in the embodiment is opened. FIG. 4 is a front view of an essential part of the automatic door opening device for the refrigerator in the same embodiment.

図１から図４において、内箱１と外箱２との間に断熱材３が充填され、前面に開口部４を有した断熱箱体５によって構成された冷蔵庫本体６を示している。７は観音開き式の冷蔵庫扉であり、第１の扉８及び第２の扉９を有し、扉枠部材と扉パネルとガスケット１２を装着した扉内板１１及び断熱材３とから構成されている。   In FIG. 1 to FIG. 4, a refrigerator main body 6 is shown that is constituted by a heat insulating box 5 that is filled with a heat insulating material 3 between an inner box 1 and an outer box 2 and has an opening 4 on the front surface. Reference numeral 7 denotes a double door refrigerator door, which has a first door 8 and a second door 9, and is composed of a door frame member, a door panel, a door inner plate 11 fitted with a gasket 12, and a heat insulating material 3. Yes.

前記、第１の扉８及び第２の扉９はそれぞれ一端部がヒンジ１０を介して回動可能に支持されており、扉の内周縁に前記、冷蔵庫本体６の前面に吸着する様に扉内板１１に装着されたガスケット１２を設けることで、冷蔵庫扉７との密閉状態を保持している。   Each of the first door 8 and the second door 9 is rotatably supported at one end via a hinge 10 so that the door is attached to the front edge of the refrigerator body 6 at the inner peripheral edge of the door. By providing the gasket 12 attached to the inner plate 11, the sealed state with the refrigerator door 7 is maintained.

前記、冷蔵庫本体６の反ヒンジ１０側の天井部１３に、前後に可動可能な先端形状が二股に分岐された押出し棒１４と、押出し棒１４を前後に駆動させる駆動スイッチ１５が冷蔵庫扉７側に設けられた扉自動開放装置１６を有するように構成されている。   An extrusion rod 14 having a bifurcated tip shape movable forward and backward, and a drive switch 15 for driving the extrusion rod 14 forward and backward are provided on the refrigerator door 7 side on the ceiling portion 13 on the side opposite to the hinge 10 of the refrigerator body 6. The door automatic opening device 16 is provided.

以上のように構成された冷蔵庫の扉自動開放装置について、以下その動作を説明する。   The operation of the refrigerator door automatic opening device configured as described above will be described below.

冷蔵庫扉７前面部に設けられた駆動スイッチ１５を押すことで、扉自動開放装置１６の押出し棒１４が前方向に駆動する。この際、押出し棒１４の先端形状が二股に分岐されているため、一つの扉自動開放装置１６だけで前記観音開き式の冷蔵庫扉７の第１の扉８及び第２の扉９の一部へそれぞれ当接し、同時に開放させることができる。   By pushing a drive switch 15 provided on the front surface of the refrigerator door 7, the push bar 14 of the door automatic opening device 16 is driven forward. At this time, since the tip shape of the push rod 14 is bifurcated, only one door automatic opening device 16 can be used to move to the first door 8 and part of the second door 9 of the double door refrigerator door 7. Each can abut and open simultaneously.

（実施の形態２）
図５は本発明の実施の形態２における冷蔵庫の扉自動開放装置の要部縦断面図である。図６は同実施の形態における冷蔵庫の扉自動開放装置が扉開放した時の平面図である。図７は同実施の形態における冷蔵庫の扉自動開放装置の押出し棒が９０°回転時の要部正面図である。 (Embodiment 2)
FIG. 5 is a longitudinal sectional view of an essential part of an automatic door opening device for a refrigerator according to Embodiment 2 of the present invention. FIG. 6 is a plan view when the door automatic opening device of the refrigerator in the embodiment is opened. FIG. 7 is a front view of the main part when the push-out bar of the automatic door opening device for the refrigerator in the embodiment is rotated by 90 °.

図５から図７において、冷蔵庫本体６の反ヒンジ１０側の天井部１３に、前後に可動可能な先端形状が二股に分岐された押出し棒１４と、押出し棒１４を前後に駆動させる駆動スイッチ１５と押出し棒１４を９０°回転する切換スイッチ１７が、冷蔵庫扉７側に設けられた扉自動開放装置１６を有するように構成されている。   5 to 7, a push bar 14 having a bifurcated tip shape movable in the front-rear direction and a drive switch 15 for driving the push bar 14 in the front-rear direction are provided on the ceiling 13 of the refrigerator body 6 on the side opposite to the hinge 10. The changeover switch 17 that rotates the push rod 14 by 90 ° is configured to have an automatic door opening device 16 provided on the refrigerator door 7 side.

以上のように構成された冷蔵庫の扉自動開放装置について、以下その動作を説明する。   The operation of the refrigerator door automatic opening device configured as described above will be described below.

冷蔵庫扉７前面部に設けられた駆動スイッチ１５を押すことで、扉開放装置１６の押出し棒１４が前方向に駆動する。押出し棒１４の先端形状が二股に分岐されているため、一つの扉自動開放装置１６だけで前記観音開き式の冷蔵庫扉７の第１の扉８及び第２の扉９の一部へそれぞれ当接し、同時に開放させることができる。   By pushing a drive switch 15 provided on the front surface of the refrigerator door 7, the push rod 14 of the door opening device 16 is driven forward. Since the tip end shape of the push rod 14 is bifurcated, only one door automatic opening device 16 makes contact with each of the first door 8 and the second door 9 of the double door refrigerator door 7. Can be opened at the same time.

この際、前記二股に分岐された押出し棒１４が、冷蔵庫扉７前面部に設けられた切換スイッチ１７を押すことで、９０°回転し、第１の扉８或いは第２の扉９のみ、開放させることができるものである。   At this time, the extruding rod 14 branched into the forked portion rotates 90 ° by pushing a changeover switch 17 provided on the front surface of the refrigerator door 7, and only the first door 8 or the second door 9 is opened. It can be made to.

以上のように、本発明にかかる冷蔵庫の扉自動開放装置は、前記扉自動開放装置の押出し棒の先端形状を、二股に分岐させ前記第１及び第２の扉を同時に開放させることが、可能となるので、電化製品全般の扉自動開放装置として利用できる。   As described above, the automatic door opening device for the refrigerator according to the present invention can branch the tip shape of the push-out bar of the automatic door opening device into two branches and simultaneously open the first and second doors. Therefore, it can be used as an automatic door opening device for electrical appliances in general.

本発明の実施の形態１における冷蔵庫の扉自動開放装置の要部縦断面図The principal part longitudinal cross-sectional view of the refrigerator door automatic opening apparatus in Embodiment 1 of this invention 同実施の形態の冷蔵庫の扉自動開放装置の平面図Top view of the refrigerator door automatic opening device of the embodiment 同実施の形態の冷蔵庫の扉自動開放装置の扉開放時の平面図The top view at the time of the door opening of the door automatic opening apparatus of the refrigerator of the embodiment 同実施の形態の冷蔵庫の扉自動開放装置の要部正面図Front view of main part of automatic door opening device for refrigerator of the embodiment 本発明の実施の形態２における冷蔵庫の扉自動開放装置の要部縦断面図The principal part longitudinal cross-sectional view of the refrigerator door automatic opening apparatus in Embodiment 2 of this invention 同実施の形態の冷蔵庫の扉自動開放装置の扉開放時の平面図The top view at the time of the door opening of the door automatic opening apparatus of the refrigerator of the embodiment 同実施の形態の冷蔵庫の扉自動開放装置の押出し棒９０°回転時の要部正面図Main part front view at the time of 90 degree rotation of the push rod of the automatic door opening device of the refrigerator 従来の冷蔵庫の扉自動開放装置の要部縦断面図Longitudinal cross-sectional view of a conventional refrigerator door automatic opening device

符号の説明Explanation of symbols

１ 内箱
２ 外箱
３ 断熱材
４ 開口部
５ 断熱箱体
６ 冷蔵庫本体
７ 冷蔵庫扉
８ 第１の扉
９ 第２の扉
１０ ヒンジ
１１ 扉内板
１２ ガスケット
１３ 天井部
１４ 押出し棒
１５ 駆動スイッチ
１６ 扉自動開放装置
１７ 切換スイッチ DESCRIPTION OF SYMBOLS 1 Inner box 2 Outer box 3 Heat insulation material 4 Opening part 5 Heat insulation box 6 Refrigerator main body 7 Refrigerator door 8 1st door 9 2nd door 10 Hinge 11 Door inner board 12 Gasket 13 Ceiling part 14 Extrusion stick 15 Drive switch 16 Automatic door opening device 17 selector switch

Claims (2)

冷蔵庫本体の前面に開口部を有した断熱箱体と、この断熱箱体に一端がヒンジを介して回動可能に支持され、前記開口部を閉塞するように設けられた観音開き式の第１及び第２の扉と、前記第１及び第２の扉の内周縁に装着されたガスケットとを有し、前記第１及び第２の扉の反ヒンジ側の断熱箱体天井部に扉自動開放装置を備えた冷蔵庫において、前記扉自動開放装置は押出し棒を備え、前記押出し棒の先端は二股に分岐し、前記第１及び第２の扉を同時に開放可能としたことを特徴とする冷蔵庫の扉自動開放装置。   A heat insulating box having an opening on the front surface of the refrigerator main body, and one end of a double door type that is supported by the heat insulating box through a hinge so as to be rotatable and closes the opening. A door automatic opening device having a second door and a gasket attached to inner peripheral edges of the first and second doors, and a heat insulating box ceiling on the anti-hinge side of the first and second doors The door automatic opening device includes an extrusion rod, the tip of the extrusion rod branches into two portions, and the first and second doors can be opened at the same time. Automatic opening device. 扉自動開放装置の前記押出し棒が、前記第１あるいは第２扉側前面に設けられた切換スイッチを押すことで９０°回転し、第１或いは第２の扉のみ開放可能とすることを特徴とする請求項１に記載の冷蔵庫の扉自動開放装置。   The push rod of the automatic door opening device is rotated 90 ° by pressing a changeover switch provided on the front surface of the first or second door, and only the first or second door can be opened. The refrigerator door automatic opening device according to claim 1.
JP2005377972A 2005-12-28 2005-12-28 Automatic door opening device for refrigerator Pending JP2007178078A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010084960A (en) * 2008-09-30 2010-04-15 Hitachi Appliances Inc Refrigerator
KR20130119277A (en) 2012-04-23 2013-10-31 동부대우전자 주식회사 Side by side type refrigerator mounted with automatic door-opening device
WO2022052837A1 (en) * 2020-09-14 2022-03-17 青岛海尔电冰箱有限公司 Storage device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010084960A (en) * 2008-09-30 2010-04-15 Hitachi Appliances Inc Refrigerator
KR20130119277A (en) 2012-04-23 2013-10-31 동부대우전자 주식회사 Side by side type refrigerator mounted with automatic door-opening device
KR101972547B1 (en) * 2012-04-23 2019-04-29 주식회사 대우전자 Side by side type refrigerator mounted with automatic door-opening device
WO2022052837A1 (en) * 2020-09-14 2022-03-17 青岛海尔电冰箱有限公司 Storage device

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