JP6593962B2

JP6593962B2 - Door device

Info

Publication number: JP6593962B2
Application number: JP2015164025A
Authority: JP
Inventors: 光幸高岡; 基宏河地; 正行西尾
Original assignee: HOSHIZAKI KABUSHIKI KAISHA
Current assignee: HOSHIZAKI KABUSHIKI KAISHA
Priority date: 2015-08-21
Filing date: 2015-08-21
Publication date: 2019-10-23
Anticipated expiration: 2035-08-21
Also published as: JP2017040145A

Description

本明細書によって開示される技術は、筐体に形成された開口に取り付けられる扉装置に関する。 The technique disclosed by this specification is related with the door apparatus attached to the opening formed in the housing | casing.

筐体に形成された開口に取付けられる扉装置に係る技術としては、特許文献１に記載のものが知られている。特許文献１に記載されたドア構造は、ケース本体に開閉自在に取着されるドアに設けられた掛止ピンと、該掛止ピンを案内することでドアの開度を規制するガイド孔を有する開度規制片と、該開度規制片の基端部を支持する支軸と、を有するものである。開度規制片は平板形状で、通常はステンレス鋼や鉄板の厚板材が使用されていたため、ドアが所定角度よりも大きく開けられたり、勢いよく開けられたりすると、扉装置に大きな衝撃がかかり、ドアが脱落するという危険があった。このため、特許文献１のドア構造では、掛止ピンおよび支軸の少なくとも一方に切欠溝を設けることにより、ドアに対して過度の力が加わった際に掛止ピンあるいは支軸が損傷して力を吸収し、ヒンジ部材の損傷や破壊を防止して、ドアの脱落という危険の回避を図っている。 As a technique related to a door device attached to an opening formed in a housing, one described in Patent Document 1 is known. The door structure described in Patent Document 1 has a latch pin provided on a door that is detachably attached to the case body, and a guide hole that regulates the opening degree of the door by guiding the latch pin. An opening degree restricting piece and a support shaft that supports a base end portion of the opening degree restricting piece are provided. The opening restriction piece has a flat plate shape, usually made of stainless steel or thick steel plate. There was a danger that the door would fall off. For this reason, in the door structure of Patent Document 1, by providing a notch groove in at least one of the latch pin and the support shaft, the latch pin or the support shaft is damaged when an excessive force is applied to the door. It absorbs the force, prevents damage and destruction of the hinge member, and avoids the danger of falling off the door.

実開平６−７１８２４号公報Japanese Utility Model Publication No. 6-71824

しかしながら、上記技術によれば、扉に過剰な力が加わった場合には、掛止ピンや支軸が破損するため、これらの部品を交換するための作業や費用が発生する。 However, according to the above technique, when an excessive force is applied to the door, the latch pin and the support shaft are damaged, so that work and cost for exchanging these parts are generated.

本明細書は、上記状況に鑑み、扉の開放限界位置を規定するドアストッパを備えた扉装置において、開放限界位置を超えて扉を開こうとする力や、勢いよく開けようとする力が加わった場合に、過剰な力を吸収しヒンジ部材や扉への衝撃を緩和可能な扉装置を開示する。 In the present specification, in view of the above situation, in a door device provided with a door stopper that defines the opening limit position of the door, the force to open the door beyond the opening limit position or the force to open the door vigorously Disclosed is a door device that, when applied, can absorb excessive force and mitigate impact on a hinge member or door.

本明細書によって開示される扉装置は、筐体に形成された開口を開閉するための扉と、長尺な板材からなり、前記扉または前記開口のいずれか一方であって、その上縁または下縁の少なくとも一方に、長手方向一端に設けられた軸支部が回動自在に軸支され、同長手方向に沿って延びる長穴を有するドアストッパと、前記扉または前記開口のうち前記ドアストッパが軸支されたものとは異なるものの縁部に立設され、前記ドアストッパの長穴に摺動自在に係合して、前記扉の開閉に伴って前記長穴内を相対移動する掛止体と、を備えた扉装置であって、前記ドアストッパはばね鋼鋼材からなり、長手方向における前記軸支部が配される側とは反対側の可動端側の前記長穴の端縁と前記軸支部との間に屈曲部を有して、段状に形成されていることを特徴とする。 A door device disclosed in the present specification is composed of a door for opening and closing an opening formed in a housing and a long plate material, and is either the door or the opening, the upper edge or A shaft stopper provided at one end in the longitudinal direction is pivotally supported on at least one of the lower edges and has a long hole extending along the longitudinal direction, and the door stopper of the door or the opening. A latch that is erected on the edge of a member different from the one that is pivotally supported, slidably engages with the elongated hole of the door stopper, and moves relative to the elongated hole as the door is opened and closed. The door stopper is made of spring steel, and the edge of the elongated hole on the movable end side opposite to the side on which the shaft support portion is arranged in the longitudinal direction and the shaft It has a bent part between the support part and is formed in a step shape. The features.

本明細書において、「ばね鋼鋼材」は、ＪＩＳＧ４３１３：２０１１に規定されるばね用ステンレス鋼帯等をいう。
本明細書によって開示される技術によれば、ドアストッパをばね鋼鋼材で形成し、さらに段状に形成したことで、耐衝撃性および耐変形性が向上するだけでなく、スプリング効果（弾力性）が付与される。
この結果、開放限界位置を超えて扉を開こうとする力が加わった場合には、ドアストッパの屈曲部が弾性的に伸長して力を吸収し、衝撃を緩和することができる。また、繰り返しの衝撃にも耐え、変形も起こりにくい。 In the present specification, “spring steel material” refers to a stainless steel band for springs defined in JIS G 4313: 2011.
According to the technique disclosed in this specification, the door stopper is formed of spring steel and further formed in a step shape, so that not only the impact resistance and deformation resistance are improved, but also the spring effect (elasticity). ) Is given.
As a result, when a force is applied to open the door beyond the open limit position, the bent portion of the door stopper is elastically extended to absorb the force and reduce the impact. In addition, it withstands repeated impacts and hardly deforms.

また、本明細書によって開示される扉装置において、前記ドアストッパは、前記扉の上縁または下縁に軸支され、前記掛止体は、前記筐体における前記開口の上縁部または下縁部において、前記ドアストッパが軸支された箇所から離れた箇所に立設されるものであって、前記ドアストッパは、前記軸支部が設けられ水平に配される第一水平部と、前記第一水平部よりも前記扉から離れた位置に水平に配される第二水平部と、前記第一水平部と前記第二水平部との間を繋ぐ第一傾斜部と、前記扉から離れる方向に傾斜しつつ前記第二水平部から延出する第二傾斜部と、を有し、前記掛止体は、前記ドアストッパの上下方向への移動を抑止しつつ前記第二水平部から前記第二傾斜部にわたって前記長穴内を相対移動するものであって、その相対移動に際し、前記第二傾斜部が前記筐体に当接する構成としてもよい。 Further, in the door device disclosed in the present specification, the door stopper is pivotally supported on an upper edge or a lower edge of the door, and the latching body is an upper edge portion or a lower edge of the opening in the housing. The door stopper is erected at a location distant from the location where the door stopper is pivotally supported, and the door stopper is provided with a first horizontal portion provided with the pivotal support portion and disposed horizontally, and the first A second horizontal portion disposed horizontally at a position farther from the door than the one horizontal portion, a first inclined portion connecting the first horizontal portion and the second horizontal portion, and a direction away from the door A second inclined portion extending from the second horizontal portion while inclining to the second horizontal portion, and the latching body prevents the movement of the door stopper in the vertical direction from the second horizontal portion to the first horizontal portion. Relative movement in the elongated hole over two inclined parts, Upon may be configured such that the second inclined portion is brought into contact with the housing.

上記構成によれば、ドアストッパのスプリング効果（弾力性）により、可動端に近い屈曲部（第二水平部と第二傾斜部との境界）を境に、開扉動作または閉扉動作を付勢する力が生じる。より詳しくは、以下のようである。（イ）開扉動作時、すなわち、ドアストッパの長穴内を掛止体が第二水平部から第二傾斜部に向けて相対移動する際には、ドアストッパは、第二傾斜部が筐体に当接することで上下方向に変位しようとする一方、掛止体によって上下方向への移動が抑止されていることで、第二水平部が筐体を押圧し、その反力により扉が開方向に付勢される。（ロ）閉扉動作時、すなわちドアストッパの長穴内を掛止体が第二傾斜部から第二水平部に向けて相対移動する際には、掛止体により上下方向の移動が抑止され筐体側に押圧されているドアストッパにおいて、第二傾斜部に応力が掛かった状態となって、扉が閉方向に付勢される。
この結果、比較的小さな力で開扉または閉扉動作が可能となる。特に、閉扉動作時に、扉が開口を閉塞するまで付勢されるため、無駄なエネルギー消費が抑えられる。 According to the above configuration, the door stopper spring effect (elasticity) urges the opening or closing operation at the bent part (boundary between the second horizontal part and the second inclined part) near the movable end. Force to do. More specifically, it is as follows. (A) During the door opening operation, that is, when the latching body relatively moves from the second horizontal portion toward the second inclined portion in the elongated hole of the door stopper, The second horizontal part presses the housing, and the reaction force causes the door to open in the vertical direction. Be energized by. (B) During the closing operation, that is, when the latching body relatively moves from the second inclined portion toward the second horizontal portion in the long hole of the door stopper, the vertical movement of the latching body is suppressed by the latching body. In the door stopper that is pressed against the door, stress is applied to the second inclined portion, and the door is urged in the closing direction.
As a result, the door can be opened or closed with a relatively small force. In particular, during the closing operation, since the door is biased until the opening is closed, useless energy consumption can be suppressed.

また、本明細書によって開示される扉装置において、前記筐体は、前記掛止体の立設位置を規定するための配設構造を複数箇所に有していてもよい。 Moreover, the door apparatus disclosed by this specification WHEREIN: The said housing | casing may have the arrangement | positioning structure for prescribing the standing position of the said latching body in multiple places.

上記構成によれば、同一のドアストッパを用いた場合、筐体の複数箇所に設けられた配設構造のうちの何れを選択するか（掛止体を筐体のどの位置に固定するか）により、最大開扉角度が変化する。すなわち、予め複数箇所に設けた配設構造から、設置スペース等の周辺状況に応じて適切なものを選択することで、扉の開放限界位置を適宜調整できる。なお、配設構造としては、ネジ孔等が考えられる。また、穴開け加工用目印とし、実際の加工は現地において適当な位置を選定した後に行ってもよい。
この結果、周辺物への扉の衝突等が抑制されて、扉装置本体および周辺物の破損等が起こりにくくなるとともに、開扉時の気遣い負担が軽減されて、作業性が向上する。なお、配設構造を一定間隔で配列する場合には、その間隔を調整することで、角度調整のピッチを変えることができる。 According to the above configuration, when the same door stopper is used, which of the arrangement structures provided at a plurality of locations of the housing is selected (where the latch is fixed) As a result, the maximum opening angle changes. That is, the door opening limit position can be appropriately adjusted by selecting an appropriate arrangement structure provided in advance at a plurality of locations according to the surrounding conditions such as the installation space. As the arrangement structure, a screw hole or the like can be considered. Moreover, it may be used as a mark for drilling processing, and actual processing may be performed after selecting an appropriate position on site.
As a result, the collision of the door with the surrounding objects is suppressed, the door device main body and the surrounding objects are less likely to be damaged, and the care load at the time of opening the door is reduced, thereby improving workability. In the case where the arrangement structures are arranged at regular intervals, the pitch of angle adjustment can be changed by adjusting the intervals.

また、本明細書によって開示される扉装置において、前記筐体のうち前記第二傾斜部が当接する箇所に切欠き部が設けられ、前記当接する箇所が、前記掛止体の周囲を移動する前記ドアストッパの長軸に対して、その移動の過程において終始略垂直をなすような形状とされていてもよい。 Further, in the door device disclosed in the present specification, a notch portion is provided at a location where the second inclined portion abuts in the housing, and the abutting location moves around the latching body. It may have a shape that is substantially perpendicular to the long axis of the door stopper throughout the movement process.

ドアストッパを備えた扉装置では、掛止体がドアストッパの上下方向への移動を抑止しつつ長穴内を相対移動するため、ドアストッパが掛止体の周囲を移動する際、掛止体に摩擦等による力が作用する。掛止体がドアストッパの第二水平部および第二傾斜部にわたって相対移動する構成では、ドアストッパは、その第二水平部および第二傾斜部を、筐体に乗り上げたり、ずり下げたりさせながら、掛止体の周囲を移動する。ここで、筐体のうち第二傾斜部と当接する箇所（当接箇所）が直線的な形状であると、ドアストッパは、筐体の当接箇所を斜めに通過するため、板面が傾斜した状態となる。よって、掛止体を回転させたり、特定箇所を押し上げるような力が生じ、掛止体の固定が緩んだり、脱落したりする虞がある。
上記構成によれば、筐体の当接箇所に切欠き部を設けて、扉の開閉動作中、ドアストッパの長軸と筐体の当接箇所との間の角度がほぼ垂直に保たれる形状としたことで、ドアストッパの板面はほぼ水平に保たれる。よって、ドアストッパの移動に伴って掛止体に作用する力は対称となり、掛止体を回転させたり、押し上げたりするような力を低減できる。
この結果、掛止体の固定が緩んだり脱落したりする事態が抑制される。 In a door device equipped with a door stopper, the latching body moves relative to the inside of the elongated hole while suppressing the vertical movement of the door stopper, so when the door stopper moves around the latching body, A force due to friction or the like acts. In a configuration in which the latching body relatively moves over the second horizontal portion and the second inclined portion of the door stopper, the door stopper is configured to ride the second horizontal portion and the second inclined portion on the housing or slide down the housing. , Move around the hanging body. Here, if the portion of the housing that comes into contact with the second inclined portion (contact portion) has a linear shape, the door stopper passes obliquely through the contact portion of the housing, so that the plate surface is inclined. It will be in the state. Therefore, there is a possibility that a force that rotates the latching body or pushes up a specific portion is generated, and the latching body is loosely fixed or dropped.
According to the above configuration, the notch is provided at the contact portion of the housing, and the angle between the long axis of the door stopper and the contact portion of the housing is maintained substantially vertical during the door opening / closing operation. By adopting the shape, the plate surface of the door stopper is kept almost horizontal. Therefore, the force acting on the latching body as the door stopper moves is symmetric, and the force that rotates or pushes the latching body can be reduced.
As a result, the situation where the fixing of the latching body is loosened or dropped off is suppressed.

また、本明細書によって開示される扉装置において、前記筐体において前記ドアストッパが当接する位置に、潤滑油を保持可能な貯留穴が形成されていてもよい。 Further, in the door device disclosed in the present specification, a storage hole capable of holding lubricating oil may be formed at a position where the door stopper comes into contact with the housing.

上記構成によれば、継続的に潤滑油を供給可能となって、筐体とドアストッパとの間の摩擦が低減される。
この結果、筐体とドアストッパの金属部材同士間の摩耗が低減され、金属音の発生も抑制される。 According to the above configuration, the lubricating oil can be continuously supplied, and the friction between the housing and the door stopper is reduced.
As a result, wear between the metal members of the housing and the door stopper is reduced, and the generation of metal noise is also suppressed.

また、本明細書によって開示される扉装置において、前記筐体には、前記ドアストッパの前記長穴における前記第二傾斜部側の端縁に前記掛止体が当接した状態において前記可動端を受け入れ可能な受容部が形成され、前記ドアストッパの前記可動端は、Ｃカット形状とされていてもよい。 Further, in the door device disclosed in the present specification, the casing includes the movable end in a state in which the latching body is in contact with an edge of the elongated hole of the door stopper on the second inclined portion side. And a movable portion of the door stopper may have a C-cut shape.

本明細書において、「Ｃカット形状」は、角部に面取り加工（ｃｈａｍｆｅｒｉｎｇ）が施された多角形の形状を意味する。
上記構成によれば、扉が限界開放位置に達する直前に、弾性的に筐体と接触しているドアストッパの可動端が、長穴状や溝状に形成された受容部に嵌入する。
この結果、可動端の嵌入時に発生する音が警告音となることで、扉の開き過ぎが抑制されるとともに、ドアストッパの可動端が受容部内に嵌入して保持されることで、扉を開扉状態に保持できる。ここで、可動端をＣカット形状としたことで、当該部分を従来のように円弧状に形成したものと比較して、受容部に嵌入する際に生じる音が大きくなり、また嵌入後の可動端と受容部との接触面積を増加させて扉を安定的に開扉状態に保つことができる。 In the present specification, the “C-cut shape” means a polygonal shape in which corners are chamfered.
According to the above configuration, immediately before the door reaches the limit opening position, the movable end of the door stopper that is elastically in contact with the housing is fitted into the receiving portion formed in the shape of a long hole or a groove.
As a result, the sound generated when the movable end is fitted becomes a warning sound, so that the door is prevented from opening too much, and the movable end of the door stopper is fitted and held in the receiving portion to open the door. Can be held in the door state. Here, since the movable end has a C-cut shape, the sound generated when the portion is inserted into the receiving portion is larger than that in which the portion is formed in an arc shape as in the past, and the movable portion after the insertion is movable. By increasing the contact area between the end and the receiving portion, the door can be stably maintained in the open state.

本明細書によって開示される技術によれば、扉の開放限界位置を規定するドアストッパを備えた扉装置において、開放限界位置を超えて扉を開こうとする力が加わった場合に、ヒンジ部材や扉への衝撃を緩和可能な扉装置を得ることができる。 According to the technology disclosed in this specification, in a door device including a door stopper that defines the opening limit position of the door, when a force is applied to open the door beyond the opening limit position, the hinge member And a door device that can alleviate the impact on the door.

本発明の第一実施形態に係る扉装置を備えた収納庫を示す正面図The front view which shows the storage provided with the door apparatus which concerns on 1st embodiment of this invention. 図１の扉装置における扉の支持構造を示す分解斜視図The disassembled perspective view which shows the support structure of the door in the door apparatus of FIG. 下部支持部材の平面図Plan view of lower support member ドアストッパの平面図Top view of door stopper ドアストッパの正面図Front view of door stopper 閉扉時の下部支持構造の状態を示す平面模式図Plane schematic diagram showing the state of the lower support structure when the door is closed 図６におけるＡ−Ａ断面図AA sectional view in FIG. 開閉途中の下部支持構造の状態を示す平面模式図Plane schematic diagram showing the state of the lower support structure during opening and closing 図８におけるＡ−Ａ断面図AA sectional view in FIG. 扉全開時の下部支持構造の状態を示す平面模式図Plane schematic diagram showing the state of the lower support structure when the door is fully open 図１０におけるＡ−Ａ断面図AA sectional view in FIG. 第二実施形態に係る扉装置における下部支持部材の平面図The top view of the lower support member in the door device concerning a second embodiment 右端の掛止体固定孔にドアストッパを固定した場合の扉の限界開放位置を示す平面模式図Plane schematic diagram showing the limit opening position of the door when the door stopper is fixed to the latching body fixing hole on the right end 中央の掛止体固定孔にドアストッパを固定した場合の扉の限界開放位置を示す平面模式図Schematic plan view showing the limit opening position of the door when the door stopper is fixed to the central hook fixing hole 左端の掛止体固定孔にドアストッパを固定した場合の扉の限界開放位置を示す平面模式図Plane schematic diagram showing the limit opening position of the door when the door stopper is fixed to the latching body fixing hole at the left end

＜第一実施形態＞
以下、第一実施形態に係る扉装置を備えた収納庫について、図１ないし図１１に基づいて説明する。
収納庫１００は、図１に示すように、断熱箱体からなる筐体１の前面に形成された開口２に、観音開き式に扉３が取り付けられた冷蔵庫であり、底面の四隅に設けられた脚によって支持され、内部が貯蔵室とされている。 <First embodiment>
Hereinafter, the storage provided with the door device according to the first embodiment will be described with reference to FIGS. 1 to 11.
As shown in FIG. 1, the storage 100 is a refrigerator in which a door 3 is attached in a double door manner to an opening 2 formed on the front surface of a housing 1 made of a heat insulating box, and is provided at four corners of the bottom surface. It is supported by legs and the inside is a storage room.

冷蔵庫本体の上面には、機械室が設けられている。この機械室の中に、圧縮機、凝縮器等からなる図示しない冷凍ユニットが設置され、貯蔵室の天井部等に配された図示しない冷却器と冷媒配管で接続されて、周知の冷凍サイクルが構成されている。そして、冷凍ユニットの制御運転により、貯蔵室内が略一定の冷却温度に維持されるとともに、扉３を開閉しつつ、開口２から貯蔵室内に貯蔵物が出し入れされるようになっている。 A machine room is provided on the upper surface of the refrigerator body. In this machine room, a refrigeration unit (not shown) composed of a compressor, a condenser, etc. is installed, and connected to a cooler (not shown) arranged on the ceiling of the storage room by a refrigerant pipe, so that a well-known refrigeration cycle is installed. It is configured. And by the control operation of the refrigeration unit, the storage chamber is maintained at a substantially constant cooling temperature, and stored items are taken in and out from the opening 2 while opening and closing the door 3.

なお、以下では、図１における左側を左（右側を右）、紙面手前側を前（奥側を奥または後）とする。また、回動軸が右側縁に配される扉と左側縁に配される扉とは、左右反転させた同様の構造によって支持されるため、以下では、右側縁に回動軸が設けられた右側の扉３について説明する。 In the following, the left side in FIG. 1 is the left (the right side is the right), and the front side of the page is the front (the back side is the back or the back). In addition, since the door arranged on the right edge and the door arranged on the left edge are supported by the same structure reversed left and right, the rotation axis is provided on the right edge below. The right door 3 will be described.

扉３は、図２に示すように、筐体１における開口２の上下に固着されて扉３を支持する上部支持部材１０および下部支持部材２０に、ヒンジピン１５、２５を立設し、これらを、扉３の上下縁のそれぞれに設けられた軸受孔６に回転自由に挿通させることにより、図２のＡ１を回動軸として、筐体１の開口２の前面に揺動開閉可能に支持される。 As shown in FIG. 2, the door 3 has hinge pins 15 and 25 erected on the upper support member 10 and the lower support member 20 that are fixed to the top and bottom of the opening 2 in the housing 1 and support the door 3. The bearing 3 is rotatably inserted into the bearing holes 6 provided at the upper and lower edges of the door 3, so that it can be swingably opened and closed on the front surface of the opening 2 of the housing 1 with A1 in FIG. The

まず、本実施形態における扉３上部の支持構造について、説明する。
筐体１前面における開口２の上部には、図２に示すような上部支持部材１０が固着される。上部支持部材１０は鋼鉄製であって、鉛直方向の板面を備えた取付部１０Ａの下縁に、水平方向の板面を備えた支持部１０Ｂが直角曲げして形成されている。取付部１０Ａには、取付ネジ５を挿通させるための挿通孔１２が左右各１個ずつ形成されており、筐体１前面において開口２よりも上部に形成されたネジ孔４と挿通孔１２とを整合させつつ、取付ネジ５を取り付けることによって、上部支持部材１０が筐体１に固着される。上部支持部材１０は、支持部１０Ｂの下面が、筐体１の開口２の上縁よりも少し上方にシフトした位置に、水平をなすように取り付けられる。支持部１０Ｂには、図示しないヒンジ嵌合孔が開口されており、このヒンジ嵌合孔に、上ヒンジピン１５が下向きに嵌着される。上ヒンジピン１５の軸Ａ１は、扉３の厚み方向において前寄りで、開口２の縦縁よりも僅かに外側に位置するように設けられている。 First, the support structure of the upper part of the door 3 in this embodiment will be described.
An upper support member 10 as shown in FIG. 2 is fixed to the upper portion of the opening 2 on the front surface of the housing 1. The upper support member 10 is made of steel, and a support portion 10B having a horizontal plate surface is formed by bending at a right angle on the lower edge of the mounting portion 10A having a vertical plate surface. Insertion holes 12 for inserting the attachment screws 5 are formed in the attachment portion 10A, one on each of the left and right sides. The screw holes 4 and the insertion holes 12 formed above the opening 2 on the front surface of the housing 1 The upper support member 10 is fixed to the housing 1 by attaching the attachment screws 5 while aligning the two. The upper support member 10 is attached so that the lower surface of the support portion 10 B is shifted slightly above the upper edge of the opening 2 of the housing 1 so as to be horizontal. A hinge fitting hole (not shown) is opened in the support portion 10B, and the upper hinge pin 15 is fitted downward into the hinge fitting hole. The axis A 1 of the upper hinge pin 15 is provided in the front direction in the thickness direction of the door 3 so as to be located slightly outside the vertical edge of the opening 2.

一方、扉３の上縁における軸Ａ１上には、前述のように軸受孔６が形成されている。この軸受孔６に、前述の上ヒンジピン１５が嵌着されることで、扉３が、軸Ａ１周りに回動自在に支持される。 On the other hand, the bearing hole 6 is formed on the axis A1 at the upper edge of the door 3 as described above. By fitting the upper hinge pin 15 into the bearing hole 6, the door 3 is supported so as to be rotatable around the axis A1.

続いて、本実施形態における扉３下部の支持構造について、説明する。なお、扉３の下部には、後述のように、ドアストッパ３０が取り付けられる。
筐体１前面における開口２の下部には、図２および図３に示すような下部支持部材２０が固着される。図２に示すように、下部支持部材２０は、上部支持部材１０を上下反転させたものとほぼ同様の部材であって、取付部２０Ａの上縁に支持部２０Ｂが形成され、取付部２０Ａに計２個の挿通孔２２が形成されている。この挿通孔２２と、筐体１前面において開口２よりも下方に形成されたネジ孔４と整合させつつ、取付ネジ５が取り付けられて、下部支持部材２０が筐体１に固着される。下部支持部材２０は、支持部２０Ｂの上面が、筐体１の開口２の下縁、ひいては扉３の下縁よりも少し下方にシフトした位置に、水平をなすように取り付けられる。また、下部支持部材２０の支持部２０Ｂにおいて軸Ａ１と整合する右寄りの位置には、図３に表されているようにヒンジ嵌合孔２１が形成され、下ヒンジピン２５が上向きに嵌着される。
図３等に示されるように、下部支持部材２０の支持部２０Ｂの左側縁における後寄り（筐体寄り）の位置には、略直角三角形に切り欠かれた切欠き部２６が形成されている。この切欠き部２６の前側の端縁に沿って、２つの小さなグリス溜め穴２９が設けられ、この内部に潤滑油が注入保持される。さらに、後述するドアストッパ３０の可動端３０Ｂを受け入れ可能な受容穴２８、後述する掛止体４０を立設固定するための掛止体固定孔２７、が順に並んで形成されている。 Next, the support structure at the lower part of the door 3 in this embodiment will be described. A door stopper 30 is attached to the lower portion of the door 3 as will be described later.
A lower support member 20 as shown in FIGS. 2 and 3 is fixed to the lower portion of the opening 2 on the front surface of the housing 1. As shown in FIG. 2, the lower support member 20 is substantially the same member as the upper support member 10 turned upside down, and a support portion 20B is formed on the upper edge of the attachment portion 20A. A total of two insertion holes 22 are formed. An attachment screw 5 is attached while aligning the insertion hole 22 with a screw hole 4 formed below the opening 2 on the front surface of the housing 1, and the lower support member 20 is fixed to the housing 1. The lower support member 20 is attached so as to be horizontal at a position where the upper surface of the support portion 20B is shifted slightly below the lower edge of the opening 2 of the housing 1 and thus the lower edge of the door 3. Further, as shown in FIG. 3, a hinge fitting hole 21 is formed at a position on the right side of the support portion 20B of the lower support member 20 aligned with the axis A1, and the lower hinge pin 25 is fitted upward. .
As shown in FIG. 3 and the like, a notch 26 that is notched in a substantially right triangle is formed at a position near the rear (closer to the housing) on the left edge of the support 20B of the lower support member 20. . Two small grease reservoir holes 29 are provided along the front edge of the notch 26, and lubricating oil is injected and held therein. Further, a receiving hole 28 that can receive a movable end 30B of a door stopper 30 to be described later and a latching body fixing hole 27 for standingly fixing a latching body 40 to be described later are formed side by side.

掛止体固定孔２７に立設固定されて後述するドアストッパ３０の長穴５０に掛止される掛止体４０は、円筒形の掛止脚部４０Ａの上部に、後述するドアストッパ３０の長穴５０の幅よりも大きな直径を有する円板状の掛止頭部４０Ｂが設けられた形状である。掛止脚部４０Ａの先端部を、上方から、後述するドアストッパ３０の長穴５０に挿通させた後に、下部支持部材２０の掛止体固定孔２７に嵌入させ、下方からナット４１を嵌め付けることで、掛止頭部４０Ｂと下部支持部材２０との間にドアストッパ３０を保持しつつ、掛止体４０が支持部２０Ｂの上面に立設固定される。なお、図７に表されているように、掛止体４０の掛止脚部４０Ａは、下部支持部材２０に固着された状態において、支持部２０Ｂの上面と掛止頭部４０Ｂの下面との間の距離が、ドアストッパ３０の板厚よりも僅かに大きくなるように形成され、掛止体４０はドアストッパ３０の長穴５０に対して摺動自在に係合される。 A latching body 40 that is erected and fixed to the latching body fixing hole 27 and is latched in a long hole 50 of the door stopper 30 described later is disposed on the upper portion of the cylindrical latching leg portion 40A. This is a shape in which a disc-shaped hanging head 40B having a diameter larger than the width of the long hole 50 is provided. After the front end portion of the latching leg portion 40A is inserted from above into a long hole 50 of the door stopper 30 described later, it is fitted into the latching body fixing hole 27 of the lower support member 20, and the nut 41 is fitted from below. Thus, the latching body 40 is erected and fixed on the upper surface of the support portion 20B while holding the door stopper 30 between the latching head 40B and the lower support member 20. As shown in FIG. 7, the latching leg portion 40A of the latching body 40 is fixed between the upper surface of the support portion 20B and the lower surface of the latching head 40B in a state of being fixed to the lower support member 20. The distance between them is formed to be slightly larger than the plate thickness of the door stopper 30, and the latching body 40 is slidably engaged with the elongated hole 50 of the door stopper 30.

下部支持部材２０と、扉３の下縁との間に取付けられるドアストッパ３０は、ばね鋼鋼材（例えばＳＵＳ３０４−ＣＳＰ）を、図４および図５等に示される形状に形成したものである。ドアストッパ３０は、扉３の開放限界位置を規定するものであり、図２に示すように、本実施形態では扉３の下部のみに備えられている。
ドアストッパ３０は、図４に示すように、長手方向に延びる長穴５０を備えた長尺板状の部材が、その短手方向に延在する３つの屈曲部３２Ａ、３２Ｂ、３２Ｃにおいて屈曲されてなる。すなわち、扉３の下縁に沿って水平に配される第一水平部３３と、この第一水平部よりも下方に水平に配される第二水平部３４と、第一水平部３３と第二水平部３４との間を繋ぐ第一傾斜部３５と、第二水平部から下方に傾斜しつつ延出する第二傾斜部３６と、が屈曲部３２Ａ、３２Ｂ、３２Ｃにおいて連接された形状をなす。第一水平部３３には、軸支ピン３９を挿通させる軸支孔３７が形成されている。ドアストッパ３０の長手方向において、軸支孔３７側（右側）の端縁を軸支端３０Ａ、反対側（左側）の端縁を可動端３０Ｂとする。可動端３０Ｂは、角部が切り落とされたＣカット形状に形成されている。図４に示すように、第二傾斜部３６と第二水平部３４とはほぼ同じ幅に形成されているが、第一傾斜部３５は第一水平部３３に向けてやや幅が細くなるように形成されている。また、図５に示すように、第一傾斜部３５の方が、第二傾斜部３６よりも少しだけ急な勾配をなすように形成されている。
ドアストッパ３０の長穴５０は、図４に示すように、第一傾斜部３５における第一水平部３３寄りの位置から、第二傾斜部３６における可動端３０Ｂ付近にわたるように延在しており、円弧状に形成された両端縁のうち、第一傾斜部３５側の端縁は、長穴５０のその他の部分の幅よりも大きな直径を有する円弧に沿うように形成されている。この長穴５０内に、前述のように、掛止体４０が摺動可能に係合される。 The door stopper 30 attached between the lower support member 20 and the lower edge of the door 3 is formed by forming a spring steel material (for example, SUS304-CSP) into a shape shown in FIGS. 4 and 5. The door stopper 30 defines the opening limit position of the door 3 and is provided only in the lower part of the door 3 in the present embodiment, as shown in FIG.
As shown in FIG. 4, the door stopper 30 is formed by a long plate-like member having a long hole 50 extending in the longitudinal direction and bent at three bent portions 32A, 32B, 32C extending in the short direction. It becomes. That is, the first horizontal portion 33 disposed horizontally along the lower edge of the door 3, the second horizontal portion 34 disposed horizontally below the first horizontal portion, the first horizontal portion 33 and the first horizontal portion 33 The first inclined portion 35 connecting the two horizontal portions 34 and the second inclined portion 36 extending while being inclined downward from the second horizontal portion are connected to each other at the bent portions 32A, 32B, and 32C. Eggplant. A shaft support hole 37 through which the shaft support pin 39 is inserted is formed in the first horizontal portion 33. In the longitudinal direction of the door stopper 30, the end edge on the shaft support hole 37 side (right side) is defined as a shaft support end 30A, and the end edge on the opposite side (left side) is defined as a movable end 30B. The movable end 30B is formed in a C-cut shape with corners cut off. As shown in FIG. 4, the second inclined portion 36 and the second horizontal portion 34 are formed to have substantially the same width, but the first inclined portion 35 is slightly narrowed toward the first horizontal portion 33. Is formed. Further, as shown in FIG. 5, the first inclined portion 35 is formed to have a slightly steep slope than the second inclined portion 36.
As shown in FIG. 4, the long hole 50 of the door stopper 30 extends from the position near the first horizontal portion 33 in the first inclined portion 35 to the vicinity of the movable end 30 B in the second inclined portion 36. Of the both end edges formed in an arc shape, the end edge on the first inclined portion 35 side is formed along an arc having a diameter larger than the width of the other part of the long hole 50. As described above, the latching body 40 is slidably engaged in the long hole 50.

一方、扉３の下縁における軸Ａ１上には、図２に示すように軸受孔６が形成されている。上部支持構造と同様、この軸受孔６に、前述の下ヒンジピン２５が嵌着されることで、扉３が軸Ａ１周りに回動自在に支持される。
また、扉３の下縁において軸受孔６よりも左寄りの位置には、図示しないピン孔が形成されている。このピン孔に、前述のドアストッパ３０の軸支孔３７に挿通された軸支ピン３９が下方から嵌入され、上方からナット３８が嵌め付けられることにより、ドアストッパ３０が扉３の下縁に回動可能に軸支される。 On the other hand, a bearing hole 6 is formed on the axis A1 at the lower edge of the door 3 as shown in FIG. Similar to the upper support structure, the lower hinge pin 25 is fitted into the bearing hole 6 so that the door 3 is supported to be rotatable around the axis A1.
A pin hole (not shown) is formed at the lower edge of the door 3 on the left side of the bearing hole 6. A shaft support pin 39 inserted through the shaft support hole 37 of the door stopper 30 is inserted into the pin hole from below, and a nut 38 is inserted from above, so that the door stopper 30 is attached to the lower edge of the door 3. It is pivotally supported.

続いて、上記のような扉装置の開扉動作に伴う作動について、図６ないし図１１を参照しつつ説明する。なお、図面には表していないが、扉３の後面と筐体１前面との間には、両者間の隙間を塞いで開口２周縁から貯蔵室への空気の流出入を防止するパッキンが配設される。
図６および図７は、扉３が閉扉状態（すなわち、筐体１の開口２が扉３で塞がれている状態）にある場合の下部支持構造を模式的に示したものである。 Next, an operation associated with the opening operation of the door device as described above will be described with reference to FIGS. Although not shown in the drawing, a packing is provided between the rear surface of the door 3 and the front surface of the housing 1 so as to block the gap between the two and prevent air from flowing into and out of the storage chamber from the periphery of the opening 2. Established.
6 and 7 schematically show a lower support structure when the door 3 is in a closed state (that is, a state where the opening 2 of the housing 1 is closed by the door 3).

上面視では、ドアストッパ３０は、図６に示すように、扉３下縁のやや前寄りの位置において、下部支持部材２０の支持部２０Ｂ前縁および扉３の表面とほぼ平行をなすように配設される。この状態では、掛止体４０は、長穴５０のうち第二水平部３４において、第二屈曲部３２Ｂ寄りの位置に係合される。 In the top view, the door stopper 30 is substantially parallel to the front edge of the support portion 20B of the lower support member 20 and the surface of the door 3 at a position slightly forward of the lower edge of the door 3 as shown in FIG. Arranged. In this state, the latching body 40 is engaged with the second horizontal portion 34 of the elongated hole 50 at a position near the second bent portion 32B.

正面視では、ドアストッパ３０は、図７に示すように、第一水平部３３を扉３の下縁に沿わせ、第二水平部３４を下部支持部材２０の支持部２０Ｂ上面に沿わせた状態で、両水平部が水平となる正規姿勢を保つように配設される。ここで、掛止体４０がドアストッパ３０の長穴５０内を摺動可能とするために、ドアストッパ３０の上面と、掛止体４０の掛止頭部４０Ｂの下面との間には若干のクリアランスＳ１が設けられているが、このクリアランスＳ１は、ドアストッパ３０の第二傾斜部３６の垂下長Ｓ２よりも小さくなるように設定される。 In the front view, the door stopper 30 has the first horizontal portion 33 along the lower edge of the door 3 and the second horizontal portion 34 along the upper surface of the support portion 20B of the lower support member 20, as shown in FIG. In this state, the two horizontal portions are disposed so as to maintain a normal posture. Here, in order to allow the latching body 40 to slide in the long hole 50 of the door stopper 30, there is a slight gap between the upper surface of the door stopper 30 and the lower surface of the latching head 40B of the latching body 40. The clearance S1 is set to be smaller than the hanging length S2 of the second inclined portion 36 of the door stopper 30.

図８および図９は、扉３が開扉途中の状態（すなわち、途中まで扉３が開かれた状態）の下部支持構造を模式的に示したものである。 8 and 9 schematically show a lower support structure in a state where the door 3 is in the middle of opening (that is, in a state where the door 3 is opened halfway).

図６等に示した閉扉状態から扉３を開放すべく下ヒンジピン２５を支点として回動すると、上面視では、図８に示すように、扉３の下縁に軸支された軸支孔３７を含むドアストッパ３０の第一水平部３３が扉３の回動に伴って右前方へと移動し、ドアストッパ３０全体が右前方にスライドしつつ回転する。第二傾斜部３６が支持部２０Ｂの左側縁に形成された切欠き部２６の縁に当接した後には、ドアストッパ３０は、第二傾斜部３６を切欠き部２６の縁に当接させ、支持部２０Ｂ上に乗り上げて、グリス溜め穴２９の表面に当接しながら変位する。この際、ドアストッパ３０の長穴５０内を相対移動する掛止体４０は、第三屈曲部３２Ｃを通過して第二傾斜部３６に至る。
ここで、前述のように、下部支持部材２０の支持部２０Ｂの左側縁における後寄り（筐体寄り）の位置には、略直角三角形に切り欠かれた切欠き部２６が形成され、扉３の開閉動作中、ドアストッパ３０の長軸と支持部２０Ｂ左側縁の当接箇所との間の角度がほぼ垂直に保たれるようにされている。これにより、ドアストッパ３０が第二傾斜部３６を支持部２０Ｂの左側縁に当接させつつ、下部支持部材２０に乗り上げたり、ずり下がったりして移動する際も、ドアストッパ３０の板面は水平に保たれる。 When the lower hinge pin 25 is turned around the fulcrum to open the door 3 from the closed state shown in FIG. 6 or the like, as shown in FIG. 8, the shaft support hole 37 is pivotally supported on the lower edge of the door 3. The first horizontal portion 33 of the door stopper 30 including the right side 33 moves to the right front as the door 3 rotates, and the entire door stopper 30 rotates while sliding rightward. After the second inclined part 36 comes into contact with the edge of the notch 26 formed on the left edge of the support part 20B, the door stopper 30 causes the second inclined part 36 to come into contact with the edge of the notch 26. Then, it rides on the support portion 20 B and is displaced while contacting the surface of the grease reservoir hole 29. At this time, the latching body 40 that relatively moves in the long hole 50 of the door stopper 30 passes through the third bent portion 32 C and reaches the second inclined portion 36.
Here, as described above, a notch portion 26 that is notched in a substantially right triangle is formed at a position near the rear (closer to the housing) on the left edge of the support portion 20B of the lower support member 20, and the door 3 During the opening / closing operation, the angle between the long axis of the door stopper 30 and the contact portion of the left edge of the support portion 20B is kept substantially vertical. Accordingly, even when the door stopper 30 moves on the lower support member 20 or slides down while the second inclined portion 36 is brought into contact with the left side edge of the support portion 20B, the plate surface of the door stopper 30 is maintained. Kept horizontal.

正面視では、図９に示すように、ドアストッパ３０は、第二傾斜部３６を下部支持部材２０の支持部２０Ｂの左側縁に当接させつつ乗り上げることで、全体として上方に変位するが、前述のように、クリアランスＳ１の方が垂下長Ｓ２よりも小さく設定されているために、第二水平部３４の上方への移動が掛止体４０の掛止頭部４０Ｂによって規制される。このため、ばね鋼鋼材からなるドアストッパ３０は弾性変形し、応力がかかった状態となる。これにより、第二水平部３４が下部支持部材２０の支持部２０Ｂ上面および前縁を左奥下方に向けて押圧し、この反力により、扉３が右前方向（すなわち開方向）に押し出されて、開扉動作が付勢される。 In front view, as shown in FIG. 9, the door stopper 30 is displaced upward as a whole by riding on the second inclined portion 36 while contacting the left edge of the support portion 20B of the lower support member 20, As described above, since the clearance S1 is set to be smaller than the hanging length S2, the upward movement of the second horizontal portion 34 is restricted by the latching head 40B of the latching body 40. For this reason, the door stopper 30 made of spring steel is elastically deformed and is in a stressed state. As a result, the second horizontal portion 34 presses the upper surface and front edge of the support portion 20B of the lower support member 20 toward the lower left rear side, and the reaction force causes the door 3 to be pushed rightward (ie, in the opening direction). The opening operation is energized.

図１０および図１１は、扉３が開放限界位置にある状態の下部支持構造を模式的に示したものである。 10 and 11 schematically show the lower support structure in a state where the door 3 is in the open limit position.

図８等に示した開扉途中の状態から、さらに扉３を開放すべく下ヒンジピン２５を支点として回動すると、上面視では、図１０に示すように、ドアストッパ３０の可動端３０Ｂが切欠き部２６の端縁を通過して、ドアストッパ３０全体が支持部２０Ｂ上に乗り上げる。そして、ドアストッパ３０の可動端３０Ｂが、切欠き部２６の端縁に沿うように形成された受容穴２８に達すると、可動端３０Ｂが受容穴２８に嵌入し、この状態で保持される。この際、長穴５０内を相対移動する掛止体４０は、第二傾斜部３６を第三屈曲部３２Ｃ側から可動端３０Ｂ側に向かって移動し端縁に当接した状態となっている（開放限界位置）。 When the lower hinge pin 25 is turned around the fulcrum to further open the door 3 from the state in the middle of opening the door shown in FIG. 8 and the like, the top end of the movable end 30B of the door stopper 30 is cut as shown in FIG. The entire door stopper 30 rides on the support portion 20B through the edge of the notch 26. When the movable end 30B of the door stopper 30 reaches the receiving hole 28 formed along the edge of the notch 26, the movable end 30B is fitted into the receiving hole 28 and is held in this state. At this time, the latching body 40 relatively moving in the elongated hole 50 is in a state in which the second inclined portion 36 is moved from the third bent portion 32C side toward the movable end 30B side and is in contact with the edge. (Open limit position).

正面視では、図１１に示すように、相対移動する掛止体４０がドアストッパ３０の第三屈曲部３２Ｃを通過して以降、前述のように、ドアストッパ３０は、上方への変位が掛止体４０によって抑止されて弾性変形している。この弾性変形応力により、第二傾斜部３６も支持部２０Ｂに向けて押し付けられているため、可動端３０Ｂが受容穴２８に達すると、前述のように、可動端３０Ｂが受容穴２８に嵌入し、この状態で保持される。 In the front view, as shown in FIG. 11, after the relatively moving latch 40 passes through the third bent portion 32C of the door stopper 30, the door stopper 30 is displaced upward as described above. It is restrained by the stop 40 and is elastically deformed. Due to this elastic deformation stress, the second inclined portion 36 is also pressed toward the support portion 20B. Therefore, when the movable end 30B reaches the receiving hole 28, the movable end 30B is fitted into the receiving hole 28 as described above. , Held in this state.

この開放限界位置を超えて、扉３を開放しようとする過剰な力が加えられても、掛止体４０が長穴５０の端縁に当接しているため、ドアストッパ３０の移動は規制される。しかし、ドアストッパ３０はばね鋼鋼材からなり、３つの屈曲部３２Ａ、３２Ｂ、３２Ｃを有しているため、この屈曲部３２Ａ、３２Ｂ、３２Ｃが弾性的に伸長することで、力を吸収できる。過剰な力が取り除かれれば、屈曲部３２Ａ、３２Ｂ、３２Ｃは、弾性限界を超えていない限り屈曲状態に回復変形しうる。 Even if an excessive force is applied to open the door 3 beyond the opening limit position, the movement of the door stopper 30 is restricted because the hooking body 40 is in contact with the edge of the elongated hole 50. The However, since the door stopper 30 is made of spring steel and has three bent portions 32A, 32B, and 32C, the bent portions 32A, 32B, and 32C can elastically extend to absorb force. If the excessive force is removed, the bent portions 32A, 32B, and 32C can recover and deform into a bent state as long as the elastic limit is not exceeded.

開扉動作時において、本実施形態に係る扉装置は、以上のように作動するが、閉扉動作時にも、以上とは逆の過程でほぼ同様に作動する。
なお、閉扉動作時には、ドアストッパ３０は、第二傾斜部３６を下部支持部材２０の支持部２０Ｂの左側縁に当接させつつ「ずり下がる」ことで、全体として下方に変位する。この際、前述のように、開扉状態において弾性変形し応力がかかった状態となっているドアストッパ３０が、左奥下方に向けて移動するのに伴い、第二傾斜部３６が切欠き部２６の前側の端縁を右手前に向けて押圧することで、扉３が左奥方向（すなわち閉方向）に押され、閉扉動作が付勢される。 While the door device according to the present embodiment operates as described above during the opening operation, the door device operates substantially similarly in the reverse process.
During the door closing operation, the door stopper 30 is displaced downward as a whole by “sliding down” while the second inclined portion 36 is brought into contact with the left edge of the support portion 20B of the lower support member 20. At this time, as described above, the second inclined portion 36 is notched as the door stopper 30 that is elastically deformed and stressed in the opened state moves toward the lower left back. By pushing the front edge of 26 toward the right front, the door 3 is pushed in the left rear direction (that is, the closing direction), and the door closing operation is urged.

本実施形態によれば、次のような作用効果を得ることができる。
本実施形態では、ドアストッパ３０をばね鋼鋼材で形成し、さらに３つの屈曲部３２Ａ、３２Ｂ、３２Ｃを備えた段状に形成されているため、耐衝撃性および耐変形性が向上するだけでなく、スプリング効果（弾力性）が付与されている。
よって、開放限界位置を超えて扉を開こうとする力が加わった場合には、ドアストッパ３０の３つの屈曲部３２Ａ、３２Ｂ、３２Ｃが弾性的に伸長しうる。そして、過剰な力が取り除かれれば、屈曲部３２Ａ、３２Ｂ、３２Ｃは、弾性限界を超えていない限り屈曲状態に回復変形しうる。この結果、ドアストッパ３０や掛止体４０、軸支ピン３９等の部品の破損等を伴うことなく、過剰な力を吸収し、衝撃を緩和できる。また、繰り返しの衝撃にも耐え、変形も起こりにくい。 According to this embodiment, the following effects can be obtained.
In the present embodiment, the door stopper 30 is formed of spring steel and is formed in a step shape having three bent portions 32A, 32B, and 32C, so that only impact resistance and deformation resistance are improved. There is no spring effect (elasticity).
Therefore, when a force is applied to open the door beyond the open limit position, the three bent portions 32A, 32B, 32C of the door stopper 30 can be elastically extended. If the excessive force is removed, the bent portions 32A, 32B, and 32C can recover and deform into a bent state as long as the elastic limit is not exceeded. As a result, excessive force can be absorbed and impact can be mitigated without causing damage to parts such as the door stopper 30, the retaining body 40, and the pivot pin 39. In addition, it withstands repeated impacts and hardly deforms.

また、本実施形態では、ドアストッパ３０のスプリング効果（弾力性）により、前述のように、開扉動作または閉扉動作を付勢する力が生じる。
よって、比較的小さな力で、開扉または閉扉動作が可能となる。閉扉動作時に、扉３は開口２を閉塞するまで付勢されるため、無駄なエネルギー消費が抑えられる。 In the present embodiment, the spring effect (elasticity) of the door stopper 30 generates a force for energizing the door opening operation or the door closing operation as described above.
Therefore, the door can be opened or closed with a relatively small force. Since the door 3 is energized until the opening 2 is closed during the closing operation, useless energy consumption is suppressed.

また、本実施形態では、筐体１に固着した下部支持部材２０の支持部２０Ｂの左側縁（扉の開閉時における第二傾斜部３６の当接箇所）に切欠き部２６を設けて、扉３の開閉動作中、ドアストッパ３０の長軸と、支持部２０Ｂの左側縁とがほぼ垂直に保たれる形状とされている。
よって、扉の開閉動作中、ドアストッパ３０の板面は、ほぼ水平に保たれる。この結果、ドアストッパ３０により掛止体４０が受ける摩擦等による力は対称となり、掛止体を回転させたり、押し上げたりするような力が低減されて、掛止体の固定が緩んだり脱落したりする事態が抑制される。 In the present embodiment, the notch 26 is provided on the left edge of the support portion 20B of the lower support member 20 fixed to the housing 1 (the contact portion of the second inclined portion 36 when the door is opened / closed). 3, the long axis of the door stopper 30 and the left edge of the support portion 20 B are kept substantially vertical.
Therefore, the plate surface of the door stopper 30 is kept substantially horizontal during the door opening / closing operation. As a result, the force due to friction or the like received by the latching body 40 by the door stopper 30 becomes symmetric, and the force that rotates or pushes the latching body is reduced, so that the latching body is loosened or dropped off. Is suppressed.

また、本実施形態では、下部支持部材２０の支持部２０Ｂにおいてドアストッパ３０が当接移動する箇所に、潤滑油を保持したグリス溜め穴２９が設けられている。
よって、継続的に潤滑油が供給されて、支持部２０Ｂとドアストッパ３０との間の摩擦が低減される。この結果、両金属部材間の摩耗が低減され、金属音の発生も抑制される。 Further, in the present embodiment, a grease reservoir hole 29 that holds lubricating oil is provided at a location where the door stopper 30 contacts and moves in the support portion 20 B of the lower support member 20.
Therefore, the lubricating oil is continuously supplied, and the friction between the support portion 20B and the door stopper 30 is reduced. As a result, wear between the two metal members is reduced, and generation of metal sound is also suppressed.

また、本実施形態では、扉３が限界開放位置に達する直前に、ドアストッパ３０の可動端３０Ｂが、長穴状に形成された受容穴２８に嵌入する構成となっている。
よって、可動端３０Ｂが受容穴２８に嵌入する際に生じる音が警告音として機能する。この結果、扉３の開き過ぎが抑制されるとともに、扉３を解放限界位置に近い開放状態で保持可能となっている。ここで、可動端３０ＢがＣカット形状とされていることで、当該部分が円弧状に形成されたものと比較して、受容穴２８に嵌入する際に生じる音が大きくなり、また嵌入後の可動端と受容部との接触面積が増加して、安定的に扉を保持できる。 In the present embodiment, the movable end 30B of the door stopper 30 is fitted into the receiving hole 28 formed in the shape of a long hole immediately before the door 3 reaches the limit opening position.
Therefore, the sound generated when the movable end 30B is inserted into the receiving hole 28 functions as a warning sound. As a result, excessive opening of the door 3 is suppressed, and the door 3 can be held in an open state close to the release limit position. Here, since the movable end 30B has a C-cut shape, a sound generated when the portion is inserted into the receiving hole 28 is larger than that in which the portion is formed in an arc shape. The contact area between the movable end and the receiving portion increases, and the door can be stably held.

＜第二実施形態＞
以下、第二実施形態に係る扉装置について、図１２ないし図１５に基づいて説明する。
本実施形態に係る扉装置は、下部支持部材１２０のみが第一実施形態のものとは異なっている。第一実施形態に係る扉装置と同様の部材については、同一符号を付し、説明を省略する。
なお、以下でも、第一実施形態と同様、図１における左側を左（右側を右）、紙面手前側を前（奥側を奥または後）とし、右側縁に回動軸が設けられた右側の扉３について説明する。また、図１３ないし図１５でも、図６ないし図１１と同様、筐体１の前面と扉３の後面との間に配されるパッキンは、図示しない。 <Second embodiment>
Hereinafter, the door device according to the second embodiment will be described with reference to FIGS.
The door device according to the present embodiment is different from that of the first embodiment only in the lower support member 120. About the member similar to the door apparatus which concerns on 1st embodiment, the same code | symbol is attached | subjected and description is abbreviate | omitted.
In the following, as in the first embodiment, the left side in FIG. 1 is the left (right side is the right), the front side of the paper is the front (the back side is the back or the back), and the right side is provided with a rotation shaft at the right edge. The door 3 will be described. Also, in FIGS. 13 to 15, as in FIGS. 6 to 11, the packing disposed between the front surface of the housing 1 and the rear surface of the door 3 is not illustrated.

本実施形態において、筐体１前面における開口２の下部には、図１２に示すような下部支持部材１２０が固着される。図１２に示すように、下部支持部材１２０は、取付部１２０Ａの上縁に支持部１２０Ｂが形成されたものであって、支持部１２０Ｂは、第一実施形態の支持部２０Ｂにおける切欠き部２６、グリス溜め穴２９、受容穴２８に相当する構造を備えず、掛止体４０を立設固定するための配設構造として、３つの掛止体固定孔１２７Ｘ、１２７Ｙ、１２７Ｚが等間隔に並んで形成されている点に特徴を有する。 In the present embodiment, a lower support member 120 as shown in FIG. 12 is fixed to the lower portion of the opening 2 on the front surface of the housing 1. As shown in FIG. 12, the lower support member 120 has a support portion 120B formed on the upper edge of the attachment portion 120A, and the support portion 120B is a notch 26 in the support portion 20B of the first embodiment. As an arrangement structure for standingly fixing the latching body 40 without the structure corresponding to the grease reservoir hole 29 and the receiving hole 28, three latching body fixing holes 127X, 127Y, 127Z are arranged at equal intervals. It is characterized in that it is formed by.

図１３ないし図１５は、それぞれ、掛止体固定孔１２７Ｘ、１２７Ｙ、１２７Ｚの何れかひとつに掛止体４０を固定した場合の、扉３の開放限界位置を表している。
図１３では、右端に位置する掛止体固定孔１２７Ｘに、掛止体４０が固定されている。この場合の扉３の最大開扉角度を、図１３に示すように、α１とする。同様に、図１４のように、中央に位置する掛止体固定孔１２７Ｙに掛止体４０が固定された場合の最大開扉角度をα２、左端に位置する掛止体固定孔１２７Ｚに掛止体４０が固定された場合の最大開扉角度をα３とする。同一のドアストッパ３０を使用した場合には、α１＞α２＞α３となる。本実施形態では、α１が約９５度、α２が約９０度、α３が約８５度となるように設定されている。最大開扉角度は９０度を標準とし、扉３を開けた方向に壁などがある場合には、ハンドルがぶつかる可能性があるため、最大開扉角度を８５度に変更することが望ましい。また、収納庫内に高頻度でビールケースや箱等の大きな収納物を出し入れすることが想定される場合は、扉３が邪魔にならないよう、最大開扉角度を９５度に変更することができる。 FIGS. 13 to 15 show the opening limit position of the door 3 when the latching body 40 is fixed to any one of the latching body fixing holes 127X, 127Y, and 127Z, respectively.
In FIG. 13, the latching body 40 is fixed to the latching body fixing hole 127X located at the right end. In this case, the maximum opening angle of the door 3 is α1, as shown in FIG. Similarly, as shown in FIG. 14, the maximum door opening angle when the latch 40 is fixed to the latch fixing hole 127Y located at the center is α2, and the latch is fixed to the latch fixing hole 127Z located at the left end. The maximum door opening angle when the body 40 is fixed is α3. When the same door stopper 30 is used, α1>α2> α3. In the present embodiment, α1 is set to about 95 degrees, α2 is set to about 90 degrees, and α3 is set to about 85 degrees. The maximum door opening angle is 90 degrees as a standard, and if there is a wall or the like in the direction in which the door 3 is opened, the handle may hit, so it is desirable to change the maximum door opening angle to 85 degrees. In addition, when it is assumed that large storage items such as beer cases and boxes are frequently put in and out of the storage, the maximum opening angle can be changed to 95 degrees so that the door 3 does not get in the way. .

本実施形態に係る扉装置を備えた収納庫等は、ドアストッパ３０を仮固定した状態か、扉３を取付け前の状態で、設置場所へと搬入される。そして、掛止体固定孔１２７Ｘ、１２７Ｙ、１２７Ｚの何れかひとつを選択して、掛止体４０を固定する。 The storage or the like provided with the door device according to the present embodiment is carried into the installation place with the door stopper 30 temporarily fixed or before the door 3 is attached. Then, any one of the latching body fixing holes 127X, 127Y, and 127Z is selected, and the latching body 40 is fixed.

本実施形態によれば、次のような作用効果を得ることができる。
すなわち、下部支持部材１２０の支持部１２０Ｂの３箇所に掛止体固定孔１２７Ｘ、１２７Ｙ、１２７Ｚが形成されているため、設置スペース等の周辺状況に応じて、適切な掛止体固定孔を選択して掛止体４０を固定することで、扉３の最大開扉角度（開放限界位置）を適宜調整できる。
この結果、周辺物への扉の衝突等が抑制されて、扉装置本体および周辺物の破損等が起こりにくくなるとともに、開扉時の気遣い負担が軽減されて、作業性が向上する。なお、等間隔に配列された掛止体固定孔１２７Ｘ、１２７Ｙ、１２７Ｚの間隔を調整することで、角度調整のピッチを変えることができる。 According to this embodiment, the following effects can be obtained.
That is, since the latching body fixing holes 127X, 127Y, and 127Z are formed in three places of the support part 120B of the lower support member 120, an appropriate latching body fixing hole is selected according to the surrounding situation such as the installation space. By fixing the latching body 40, the maximum door opening angle (opening limit position) of the door 3 can be adjusted as appropriate.
As a result, the collision of the door with the surrounding objects is suppressed, the door device main body and the surrounding objects are less likely to be damaged, and the care load at the time of opening the door is reduced, thereby improving workability. In addition, the pitch of angle adjustment can be changed by adjusting the space | interval of the latching body fixing holes 127X, 127Y, and 127Z arranged at equal intervals.

＜その他の実施形態＞
本明細書によって開示される技術は、上記記述および図面によって説明した実施形態に限定されるものではなく、例えば次のような実施形態も技術的範囲に含まれる。 <Other embodiments>
The technology disclosed in the present specification is not limited to the embodiment described with reference to the above description and drawings. For example, the following embodiments are also included in the technical scope.

（１）上記実施形態では、ドアストッパが扉の下部のみに取付けられる扉装置を示したが、これに限定されるものではない。ドアストッパは、扉の上部のみに配されていてもよく、また、上部および下部の両方に配されていてもよい。
（２）上記実施形態では、筐体における開口の上方および下方に、扉の上部および下部を支持する上部支持部材および下部支持部材を固着させ、これに掛止体を立設させる構成としたが、これに限定されるものではない。筐体の開口縁部から、そのまま掛止体等を立設させる構成等としてもよい。
（３）上記実施形態では、ばね鋼鋼材からなるドアストッパが３つの屈曲部を備えるものとしたが、これに限定されるものではない。ドアストッパの軸支部と、可動端側の長穴端縁との間に１つ以上の屈曲部を備え、弾性変形により、両者間の距離を変化させられるようなものであればよい。 (1) In the said embodiment, although the door apparatus in which a door stopper is attached only to the lower part of a door was shown, it is not limited to this. The door stopper may be disposed only in the upper part of the door, or may be disposed in both the upper part and the lower part.
(2) In the above embodiment, the upper support member and the lower support member that support the upper and lower portions of the door are fixed above and below the opening in the housing, and the latching body is erected on this. However, the present invention is not limited to this. It is good also as a structure etc. which make a latching body stand upright as it is from the opening edge part of a housing | casing.
(3) In the above embodiment, the door stopper made of spring steel material is provided with the three bent portions, but is not limited thereto. Any one or more bent portions may be provided between the shaft support portion of the door stopper and the edge of the elongated hole on the movable end side, and the distance between the two may be changed by elastic deformation.

１…筐体、２…開口、３…扉、６…軸受孔、１０…上部支持部材、１５…上ヒンジピン、２０…下部支持部材、２１…ヒンジ嵌合孔、２５…下ヒンジピン、２６…切欠き部、２７…掛止体固定孔、２８…受容穴、２９…グリス溜め穴、３０…ドアストッパ、３０Ａ…軸支端、３０Ｂ…可動端、３２Ａ…第一屈曲部、３２Ｂ…第二屈曲部、３２Ｃ…第三屈曲部、３３…第一水平部、３４…第二水平部、３５…第一傾斜部、３６…第二傾斜部、３７…軸支孔（軸支部）、３９…軸支ピン、４０…掛止体、５０…長穴
１２７Ｘ、１２７Ｙ、１２７Ｚ…掛止体固定孔 DESCRIPTION OF SYMBOLS 1 ... Housing, 2 ... Opening, 3 ... Door, 6 ... Bearing hole, 10 ... Upper support member, 15 ... Upper hinge pin, 20 ... Lower support member, 21 ... Hinge fitting hole, 25 ... Lower hinge pin, 26 ... Cutting Notch portion, 27 ... Holding body fixing hole, 28 ... receiving hole, 29 ... grease reservoir hole, 30 ... door stopper, 30A ... shaft support end, 30B ... movable end, 32A ... first bent portion, 32B ... second bent portion Portion 32C ... third bent portion 33 ... first horizontal portion 34 ... second horizontal portion 35 ... first inclined portion 36 ... second inclined portion 37 ... shaft supporting hole (shaft supporting portion) 39 ... shaft Support pin, 40 ... Holding body, 50 ... Elongated hole 127X, 127Y, 127Z ... Holding body fixing hole

Claims

A door for opening and closing an opening formed in the housing;
It is made of a long plate material, and either one of the door or the opening, and at least one of the upper edge or the lower edge, a shaft support portion provided at one end in the longitudinal direction is rotatably supported. A door stopper having a slot extending along the longitudinal direction;
Of the door or the opening, the door stopper is erected on the edge of the door stopper, and is slidably engaged with the long hole of the door stopper. A latching device that relatively moves in the elongated hole, and a door device comprising:
The door stopper is made of a spring steel material, and has a bent portion between the end of the elongated hole on the movable end side opposite to the side on which the shaft support portion is disposed in the longitudinal direction and the shaft support portion. Are formed in steps ,
The door stopper is pivotally supported on the upper or lower edge of the door,
The latching body is erected at a location away from a location where the door stopper is pivotally supported at an upper edge portion or a lower edge portion of the opening in the housing,
The door stopper includes a first horizontal portion provided with the shaft support portion and disposed horizontally, a second horizontal portion disposed horizontally at a position farther from the door than the first horizontal portion, and the first A first inclined portion connecting between the horizontal portion and the second horizontal portion, and a second inclined portion extending from the second horizontal portion while being inclined in a direction away from the door,
The latching body relatively moves in the elongated hole from the second horizontal part to the second inclined part while suppressing the movement of the door stopper in the vertical direction. door device you characterized in that two inclined portion is configured to contact with the housing.

The door device according to claim 1 , wherein the housing has a plurality of arrangement structures for defining standing positions of the hooking bodies.

A notch portion is provided at a location where the second inclined portion abuts in the housing, and the abutting location is moved with respect to the long axis of the door stopper that moves around the latching body. The door device according to claim 1 , wherein the door device has a shape that is substantially vertical throughout the process.

The door device according to any one of claims 1 to 3 , wherein a storage hole capable of holding lubricating oil is formed at a position where the door stopper comes into contact with the housing.

The housing is formed with a receiving portion capable of receiving the movable end in a state in which the hooking body is in contact with an end edge of the elongated hole of the door stopper on the second inclined portion side,
The door device according to any one of claims 1 to 4 , wherein the movable end of the door stopper has a C-cut shape.

6. The door device according to claim 5 , wherein an insertion sound is generated when the movable end is inserted into the receiving portion, and the insertion sound functions as a warning sound that warns that the door is opened excessively.