JP2003020860A - Door device - Google Patents
Door deviceInfo
- Publication number
- JP2003020860A JP2003020860A JP2001204717A JP2001204717A JP2003020860A JP 2003020860 A JP2003020860 A JP 2003020860A JP 2001204717 A JP2001204717 A JP 2001204717A JP 2001204717 A JP2001204717 A JP 2001204717A JP 2003020860 A JP2003020860 A JP 2003020860A
- Authority
- JP
- Japan
- Prior art keywords
- door
- opening
- front panel
- guide rail
- mover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000006073 displacement reaction Methods 0.000 claims abstract description 13
- 229910000831 Steel Inorganic materials 0.000 abstract description 3
- 239000010959 steel Substances 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract 1
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 238000009434 installation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D15/00—Suspension arrangements for wings
- E05D15/06—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane
- E05D15/0621—Details, e.g. suspension or supporting guides
- E05D15/0626—Details, e.g. suspension or supporting guides for wings suspended at the top
- E05D15/063—Details, e.g. suspension or supporting guides for wings suspended at the top on wheels with fixed axis
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D15/00—Suspension arrangements for wings
- E05D15/06—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane
- E05D15/0621—Details, e.g. suspension or supporting guides
- E05D15/0626—Details, e.g. suspension or supporting guides for wings suspended at the top
- E05D15/0652—Tracks
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/13—Type of wing
- E05Y2900/132—Doors
Landscapes
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
- Power-Operated Mechanisms For Wings (AREA)
- Refrigerator Housings (AREA)
- Support Devices For Sliding Doors (AREA)
Abstract
Description
【発明の詳細な説明】
【０００１】
【発明の属する技術分野】本発明は、冷凍冷蔵庫等の開
口を開閉するドア装置に関するものである。
【０００２】
【従来の技術】開口上部に配設した案内レールに沿って
ドアを移動させて開口を開閉する冷凍冷蔵庫等では、閉
塞位置でドアを開口周囲に押し付けて密閉するような案
内レール構造になっている。このため、ドア開閉の自動
化を目的としてドアａとリニアモータｂの可動子ｃを、
ドアａのハンガーブラケットｈに固定した鋼板製ジョイ
ントｄにより連結する場合、該ジョイントｄと可動子ｃ
を開閉方向と略直交する方向に相対移動可能な構成にす
る必要がある。このため、図６に示すように可動子ｃに
設けた嵌合部材ｅが嵌合するとともに、閉塞位置でドア
ａが開閉方向と略直交する方向に移動できるような嵌合
孔ｆをジョイントｄに設けていた。
【０００３】
【発明が解決しようとする課題】しかしながら、嵌合部
材ｅはクッションゴムｇを介してジョイントｄの嵌合孔
ｆに嵌合しているため、ドアａの開閉の都度嵌合部材ｅ
がジョイントｄの嵌合孔ｆ内でドアａの開閉移動方向と
略直交する方向に相対移動するため、クッションゴムｇ
が磨耗し易い。また、クッションゴムｇを介して連結し
ているため、高出力のリニアモータでは、可動子ｃに対
するドアａの追従性が悪くガタを生じて円滑に開閉でき
ないという問題点があった。本発明は上記問題点を解決
するためになされたもので、鋼板製ジョイントを用いな
い簡単な構成で、ドアをリニアモータにより円滑に自動
開閉できるドア装置を提供することを目的とするもので
ある。
【０００４】
【課題を解決するための手段】上記の目的を達成するた
めの請求項１に記載のドア装置は、ドアを開口上部に配
設した案内レールに沿って転動するローラにより開閉自
在に支持し、かつ前記案内レールにはドアが閉塞位置に
ある時前記ローラが係合する部分を内側に変位させる変
位部を形成して、閉塞位置でドアを開口周囲に押し付け
て密閉するドア装置において、前記案内レールと平行に
リニアモータを設け、該リニアモータの可動子と前記ド
アとを開方向及び閉方向における２本の牽引ワイヤーで
連結したことを特徴とする。
【０００５】
【作用及び発明の効果】請求項１に記載のドア装置によ
れば、開方向及び閉方向における２本の牽引ワイヤーで
リニアモータの可動子と連結されたドアは、閉塞位置に
移動すると、案内レールの変位部により開口周囲に押し
付けられる。また、開方向移動時にはドアが開口周囲か
ら離れる。このときのドアの開閉方向と略直交する方向
の動きは、２本の牽引ワイヤーにより吸収されて直接可
動子には伝わらない。２本の牽引ワイヤーで連結する方
式であるから、構成が簡単になるとともにドアに作用す
る衝撃が可動子に直接伝わることがない。また、開方向
及び閉方向における２本の牽引ワイヤーで連結したこと
により、可動子に対するドアの追従性がよくなり円滑に
開閉できる。
【０００６】
【発明の実施の形態】本発明の実施形態について添付図
面を参照して説明する。図１は冷凍冷蔵庫１の正面図、
図２は要部の斜視図、図３は要部の側断面図、図４は案
内レール１３と支持ローラ２３を示した斜視図、図５は
牽引ワイヤー２７の締着状態を示した要部の正面図であ
る。冷凍冷蔵庫１の前面パネル２には一部に開口３が形
成され、その上部にリニアモータ４を組み込んだモータ
レール５が水平に配設されている。モータレール５内に
は、可動子６が走行自在に配置されている。該可動子６
の側面の２箇所には、モータレール５の全長に亘って側
面に設けたスリット７から外部に突出する接続ブラケッ
ト８が取り付けられている。各接続ブラケット８は、ワ
イヤー係入溝９が形成されたワイヤー係止片１０を備え
ている。
【０００７】モータレール５の下方には前面パネル２の
手前側に突出する支持アーム１１が設けられ、該支持ア
ーム１１の先端支持部１２に案内レール１３が水平に支
持されている。案内レール１３は、中空角パイプ１４を
用いその一つの稜角１４ａが上端となるように配置され
ている。そして、案内レール１３には、開口３に対応す
る２ヶ所に樹脂製レール１５が嵌め込まれている。図３
に示すように、樹脂製レール１５には稜角１４ａに連続
するとともに、前面パネル２側に変位する変位部１６が
形成されている。
【０００８】上記開口３を開閉するドア２１は、上端左
右に固定したハンガーブラケット２２に設けた支持ロー
ラ２３を上記案内レール１３に跨装して吊持されてい
る。各ハンガーブラケット２２には、ワイヤー締着ブラ
ケット２４が取り付けられている。また、ドア２１の裏
面には、外周部に沿って逆Ｕ字形のシールゴム２５が取
り付けられている。さらに、ドア２１の裏面の下端縁に
は、冷凍冷蔵庫１の設置フロワーＦＬに接触するいわゆ
るズリゴム２６が取り付けられている。
【０００９】上記可動子６とドア２１とは、開方向及び
閉方向における２本の牽引ワイヤー２７により連結され
る。牽引ワイヤー２７の一端には係止駒２８が取り付け
られ、他端には、締着ボルト２９が取り付けられてい
る。各牽引ワイヤー２７は、接続ブラケット８のワイヤ
ー係止片１０のワイヤー係入溝９に係入して、係止駒２
８を該ワイヤー係止片１０に係止する。そして、牽引ワ
イヤー２７を交差させて他端の締着ボルト２９を、左右
のハンガーブラケット２２に取り付けたワイヤー締着ブ
ラケット２４に挿通し、ナット３０により各牽引ワイヤ
ー２７を緊張させて締着する。
【００１０】上記によりリニアモータ４の可動子６によ
りドア２１が牽引され開口３を自動開閉する自動ドアが
構成される。このドア装置は、可動子６によりドア２１
が開口３を塞ぐ閉塞位置に牽引されると、左右のハンガ
ーブラケット２２の支持ローラ２３が、案内レール１３
の中空角パイプ１４から樹脂製レール１５の変位部１６
に移動する。変位部１６は、前面パネル２側に変位して
いるから、支持ローラ２３が変位部１６に乗り移るとド
ア２１が前面パネル２側に変位し、裏面のシールゴム２
５を該前面パネル２に押し付けて開口３を密閉する。ま
た、開方向移動時には、ドア２１が変位部１６から外れ
ることにより前面パネル２から離れる。
【００１１】このときの前面パネル２と接離するドア２
１の開閉方向と略直交する方向の動きは、２本のワイヤ
ーにより吸収されて直接可動子６には伝わらない。２本
の牽引ワイヤー２７で連結する方式であるから構成が簡
単になるとともに、ドア２１に作用する衝撃が可動子６
に直接伝わることがない。また、開方向及び閉方向にお
ける２本の牽引ワイヤー２７で連結したことにより、可
動子６に対するドア２１の追従性がよくなり円滑に開閉
できる。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door device that opens and closes an opening of a refrigerator-freezer or the like. [0002] In a refrigerator-freezer or the like that opens and closes an opening by moving the door along a guide rail disposed above the opening, a guide rail structure that seals the door by pressing the door around the opening in a closed position. It has become. For this reason, the door a and the mover c of the linear motor b are used for the purpose of automation of door opening and closing.
When connecting with the steel plate joint d fixed to the hanger bracket h of the door a, the joint d and the mover c
Must be configured to be relatively movable in a direction substantially perpendicular to the opening and closing direction. For this reason, as shown in FIG. 6, the fitting member e provided on the movable element c is fitted, and the fitting hole f is connected to the joint d so that the door a can move in the direction substantially perpendicular to the opening / closing direction at the closed position. Was provided. However, since the fitting member e is fitted into the fitting hole f of the joint d through the cushion rubber g, the fitting member e is opened each time the door a is opened and closed.
Moves relative to the opening and closing movement direction of the door a within the fitting hole f of the joint d.
Is easy to wear. In addition, since the high-power linear motor is connected via the cushion rubber g, there is a problem in that the followability of the door a with respect to the mover c is poor, and the door cannot be opened and closed smoothly. The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a door device that can automatically open and close a door with a linear motor with a simple configuration without using a steel plate joint. . In order to achieve the above object, a door device according to a first aspect of the present invention is openable and closable by a roller that rolls along a guide rail provided at the top of the opening. The guide rail is formed with a displacement portion that inwardly displaces a portion engaged with the roller when the door is in the closed position, and the door is sealed by pressing the door around the opening at the closed position. A linear motor is provided in parallel with the guide rail, and the mover of the linear motor and the door are connected by two pulling wires in the opening direction and the closing direction. According to the door device of the first aspect, the door connected to the mover of the linear motor by the two pulling wires in the opening direction and the closing direction moves to the closing position. Then, it is pressed around the opening by the displacement portion of the guide rail. Further, the door moves away from the periphery of the opening when moving in the opening direction. The movement in the direction substantially orthogonal to the opening / closing direction of the door at this time is absorbed by the two pulling wires and is not directly transmitted to the movable element. Since it is a system which connects with two pulling wires, the structure is simplified and the impact acting on the door is not directly transmitted to the mover. Further, by connecting the two pulling wires in the opening direction and the closing direction, the followability of the door to the mover is improved and the door can be opened and closed smoothly. DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described with reference to the accompanying drawings. FIG. 1 is a front view of a refrigerator 1
2 is a perspective view of the main part, FIG. 3 is a side sectional view of the main part, FIG. 4 is a perspective view showing the guide rail 13 and the support roller 23, and FIG. 5 is a main part showing the tightening state of the pulling wire 27. FIG. The front panel 2 of the refrigerator / freezer 1 has an opening 3 in a part thereof, and a motor rail 5 incorporating a linear motor 4 is disposed horizontally on the opening 3. A mover 6 is disposed in the motor rail 5 so as to be able to run. The mover 6
Two connection brackets 8 are attached to the two side surfaces of the motor rail 5 so as to project outward from slits 7 provided on the side surface over the entire length of the motor rail 5. Each connection bracket 8 includes a wire locking piece 10 in which a wire engaging groove 9 is formed. A support arm 11 is provided below the motor rail 5 so as to protrude toward the front side of the front panel 2, and a guide rail 13 is horizontally supported by a tip support portion 12 of the support arm 11. The guide rail 13 uses a hollow square pipe 14 and is arranged so that one ridge angle 14a is the upper end. The guide rail 13 is fitted with resin rails 15 at two locations corresponding to the opening 3. FIG.
As shown, the resin rail 15 is formed with a displacement portion 16 that is continuous with the ridge angle 14a and that is displaced toward the front panel 2 side. The door 21 for opening and closing the opening 3 is suspended by a support roller 23 provided on a hanger bracket 22 fixed to the left and right of the upper end, straddling the guide rail 13. A wire fastening bracket 24 is attached to each hanger bracket 22. Further, an inverted U-shaped seal rubber 25 is attached to the back surface of the door 21 along the outer peripheral portion. Furthermore, a so-called slip rubber 26 that contacts the installation floor FL of the refrigerator-freezer 1 is attached to the lower end edge of the back surface of the door 21. The movable element 6 and the door 21 are connected by two pulling wires 27 in the opening direction and the closing direction. A locking piece 28 is attached to one end of the pulling wire 27, and a fastening bolt 29 is attached to the other end. Each pulling wire 27 is engaged with the wire engaging groove 9 of the wire locking piece 10 of the connection bracket 8, and the locking piece 2.
8 is locked to the wire locking piece 10. Then, the pulling wires 27 are crossed and the fastening bolts 29 at the other end are inserted into the wire fastening brackets 24 attached to the left and right hanger brackets 22, and the pulling wires 27 are tensioned and tightened by the nuts 30. Thus, an automatic door is constructed in which the door 21 is pulled by the mover 6 of the linear motor 4 and the opening 3 is automatically opened and closed. This door device has a door 21 by means of a mover 6.
Is pulled to the closed position where the opening 3 is closed, the support rollers 23 of the left and right hanger brackets 22 are guided by the guide rails 13.
Displacement 16 of resin rail 15 from hollow square pipe 14 of
Move to. Since the displacement part 16 is displaced to the front panel 2 side, the door 21 is displaced to the front panel 2 side when the support roller 23 is moved to the displacement part 16, and the seal rubber 2 on the back surface.
5 is pressed against the front panel 2 to seal the opening 3. Further, when moving in the opening direction, the door 21 is separated from the front panel 2 by being removed from the displacement portion 16. At this time, the door 2 is brought into contact with and separated from the front panel 2.
The movement in the direction substantially orthogonal to the opening / closing direction of 1 is absorbed by the two wires and is not transmitted directly to the mover 6. Since the configuration is such that the two pulling wires 27 are connected, the configuration is simplified, and the impact acting on the door 21 is affected by the mover 6.
There is no direct communication. Further, by connecting the two pulling wires 27 in the opening direction and the closing direction, the followability of the door 21 with respect to the mover 6 is improved and the door can be opened and closed smoothly.
【図面の簡単な説明】
【図１】冷凍冷蔵庫の正面図である。
【図２】要部の斜視図である。
【図３】要部の側断面図である。
【図４】案内レール１３と支持ローラ２３を示した斜視
図である。
【図５】牽引ワイヤー２７の締着状態を示した要部の正
面図である。
【図６】従来例を示した要部の斜視図である。
【符号の説明】
３...開口
４...リニアモータ
６...可動子
８...接続ブラケット
１３...案内レール
１４...中空角パイプ
１５...樹脂製レール
１６...変位部
２１...ドア
２２...ハンガーブラケット
２３...支持ローラ
２４...ワイヤー締着ブラケット
２７...牽引ワイヤーBRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a front view of a refrigerator-freezer. FIG. 2 is a perspective view of a main part. FIG. 3 is a side sectional view of a main part. FIG. 4 is a perspective view showing a guide rail 13 and a support roller 23. FIG. FIG. 5 is a front view of a main part showing a tightening state of a pulling wire 27; FIG. 6 is a perspective view of a main part showing a conventional example. [Explanation of Symbols] 3 ... Opening 4 ... Linear motor 6 ... Movable element 8 ... Connection bracket 13 ... Guide rail 14 ... Hollow square pipe 15 ... Resin rail 16. .. Displacement part 21 ... Door 22 ... Hanger bracket 23 ... Support roller 24 ... Wire fastening bracket 27 ... Traction wire
フロントページの続き Ｆターム(参考） 2E034 FA00 GA01 GB01 GB13 GB15 2E036 AA02 AA03 BA01 BA04 CA01 DA02 EB02 FA10 FB01 GA02 HB03 HC03 HC07 2E052 AA01 AA02 AA07 CA07 DA02 DA03 DA05 DB02 DB03 DB05 EA16 EB01 EC01 KA15 KA16 3L102 JA01 KA08 KB21 Continued front page F-term (reference) 2E034 FA00 GA01 GB01 GB13 GB15 2E036 AA02 AA03 BA01 BA04 CA01 DA02 EB02 FA10 FB01 GA02 HB03 HC03 HC07 2E052 AA01 AA02 AA07 CA07 DA02 DA03 DA05 DB02 DB03 DB05 EA16 EB01 EC01 KA15 KA16 3L102 JA01 KA08 KB21
Claims (1)
沿って転動するローラにより開閉自在に支持し、かつ前
記案内レールにはドアが閉塞位置にある時前記ローラが
係合する部分を内側に変位させる変位部を形成して、閉
塞位置でドアを開口周囲に押し付けて密閉するドア装置
において、 前記案内レールと平行にリニアモータを設け、該リニア
モータの可動子と前記ドアとを開方向及び閉方向におけ
る２本の牽引ワイヤーで連結したことを特徴とするドア
装置。Claims: 1. A door is supported by a roller that rolls along a guide rail disposed in the upper part of the opening so that the door can be opened and closed. In the door device that forms a displacement portion that displaces the portion engaged with the inside and presses the door around the opening at the closed position to seal it, a linear motor is provided in parallel with the guide rail, and the mover of the linear motor And the door are connected by two pulling wires in the opening direction and the closing direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001204717A JP3627685B2 (en) | 2001-07-05 | 2001-07-05 | Door equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001204717A JP3627685B2 (en) | 2001-07-05 | 2001-07-05 | Door equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003020860A true JP2003020860A (en) | 2003-01-24 |
| JP3627685B2 JP3627685B2 (en) | 2005-03-09 |
Family
ID=19041142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001204717A Expired - Lifetime JP3627685B2 (en) | 2001-07-05 | 2001-07-05 | Door equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3627685B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109186169A (en) * | 2018-08-29 | 2019-01-11 | 南京创维家用电器有限公司 | A kind of anti-cold draining sealing structure of refrigerator hermatic door |
| CN113250574A (en) * | 2021-06-18 | 2021-08-13 | 合肥美的电冰箱有限公司 | Door opening device and storage equipment |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109723309B (en) * | 2018-12-28 | 2020-11-24 | 海尔智家股份有限公司 | Door opening control method and door opening device of refrigerator |
-
2001
- 2001-07-05 JP JP2001204717A patent/JP3627685B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109186169A (en) * | 2018-08-29 | 2019-01-11 | 南京创维家用电器有限公司 | A kind of anti-cold draining sealing structure of refrigerator hermatic door |
| CN113250574A (en) * | 2021-06-18 | 2021-08-13 | 合肥美的电冰箱有限公司 | Door opening device and storage equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3627685B2 (en) | 2005-03-09 |
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