JP2007040501A - Door closing structure and sealed container using the same - Google Patents

Door closing structure and sealed container using the same Download PDF

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JP2007040501A
JP2007040501A JP2005227879A JP2005227879A JP2007040501A JP 2007040501 A JP2007040501 A JP 2007040501A JP 2005227879 A JP2005227879 A JP 2005227879A JP 2005227879 A JP2005227879 A JP 2005227879A JP 2007040501 A JP2007040501 A JP 2007040501A
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door
claw
claws
latch
container body
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JP4635775B2 (en
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Akira Wakasa
暁 若狭
Masatoshi Miura
正敏 三浦
Taizo Matsukawa
泰三 松川
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Miura Co Ltd
Miura Protec Co Ltd
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Miura Co Ltd
Miura Protec Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a door closing structure preventing the damage of a latch mechanism when pressing first claws on the door side to second claws on the container body side by sliding the first claws without contacting the second claws. <P>SOLUTION: The door closing structure is provided with a door 3 turnably at an opening 4 of the container body 2, and closes the door 3 by allowing the first claws 15 provided at the door 3, to pass through grooves 20 between the second claws 19 provided at the container body 2, then sliding the first claws 15 into positions to face the second claws 19 and pressing the first claws 15 to the second claws 19. The latch mechanism 21 is provided for locking the door 3 to the container body 2 in the swing closing position of the door. The latch mechanism 21 comprises a receiver 22 provided at the container body 2, and a latch body 23 provided at the door 3 and lockable to the receiver 22. The receiver 22 is not provided in a position to correspond to the latch body 23 in positions where the first claws 15 and the second claws 19 face each other. The lock release of the latch body 23 from the receiver 22 is prevented by a stopper 31 until the first claws 15 partially overlap with the second claws 19. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

この発明は、容器本体の開口部への扉の閉鎖構造と、この扉閉鎖構造を用いた密閉容器に関するものである。特に、蒸煮機、蒸し庫、蒸煮冷却機、オートクレーブなどに用いられる圧力容器とその扉閉鎖構造に関するものである。   The present invention relates to a structure for closing a door to an opening of a container body and a closed container using the door closing structure. In particular, the present invention relates to a pressure vessel used for a steamer, a steamer, a steam cooler, an autoclave, and the like and a door closing structure thereof.

たとえば蒸煮機は、密閉容器内へ蒸気が供給され、密閉容器内が高圧とされるので、この圧力に耐える扉閉鎖構造が要求される。そのため、下記特許文献１に開示されるように、いわゆるクラッチ式ロック機構が採用されることがある。図５および図６は、従来のクラッチ式ロック機構を示す図であり、図５は概略横断面図、図６は正面視概略説明図である。   For example, in a steamer, steam is supplied into a sealed container and the inside of the sealed container is at a high pressure, so a door closing structure that can withstand this pressure is required. Therefore, as disclosed in Patent Document 1 below, a so-called clutch-type lock mechanism may be employed. 5 and 6 are views showing a conventional clutch-type locking mechanism, in which FIG. 5 is a schematic cross-sectional view, and FIG. 6 is a schematic explanatory view in front view.

クラッチ式ロック機構は、扉Ａと容器本体Ｂとにそれぞれ爪部Ｃ，Ｄを凹凸形成し、図５および図６実線で示すように、扉Ａに設けた第一爪Ｃを容器本体Ｂに設けた第二爪Ｄ間の溝に通した後、図６において二点鎖線で示すように、第一爪Ｃが第二爪Ｄと対面する位置まで扉Ａをスライドさせ、その後、容器本体Ｂの開口部に沿って設けられるパッキンＥにて、第一爪Ｃを第二爪Ｄへ押し付けて、容器本体Ｂの開口部を扉Ａで密閉する構造である。   The clutch-type lock mechanism has claw portions C and D formed on the door A and the container main body B, and the first claw C provided on the door A is attached to the container main body B as shown by solid lines in FIGS. After passing through the groove between the provided second claws D, the door A is slid to a position where the first claws C face the second claws D as shown by a two-dot chain line in FIG. In this structure, the first claw C is pressed against the second claw D with the packing E provided along the opening, and the opening of the container body B is sealed with the door A.

このようなクラッチ式ロック機構の扉Ａでは、閉鎖位置まで扉Ａを回動させた状態で、その状態を維持するように容器本体Ｂと扉Ａとがラッチ機構により係止され、その係止状態を保ちつつ扉Ａのスライドがなされる。従来のラッチ機構は、図５に示すように、容器本体Ｂの戸先側に略Ｌ字形状の板材からなる受け具Ｆを固定する一方、扉Ａの戸先側の内面（容器本体Ｂ側の面）に、前記受け具Ｆを収容可能な開口Ｇを設け、この開口Ｇ内に前記受け具Ｆと係止する丸棒状のラッチ本体Ｈを設けている。このラッチ本体Ｈは、扉Ａの外面に設けたレバーハンドルＩの回転操作により進退可能とされ、前記受け具Ｆとの係止およびその解除が可能とされている。
特開平１１−３４２９６３号公報 In the door A of such a clutch-type lock mechanism, the container body B and the door A are locked by the latch mechanism so as to maintain the state in a state where the door A is rotated to the closed position, The door A is slid while maintaining the state. As shown in FIG. 5, the conventional latch mechanism fixes a receiving member F made of a substantially L-shaped plate material to the door end side of the container main body B, while the inner surface (the container main body B side) of the door A side. In the opening G, a round bar-shaped latch main body H that is engaged with the receiver F is provided. The latch body H can be advanced and retracted by rotating a lever handle I provided on the outer surface of the door A, and can be locked and released from the receiving member F.
Japanese Patent Laid-Open No. 11-342963

しかしながら、従来の構成では、扉Ａがスライド中であっても、第一爪Ｃと第二爪Ｄとが重なる前であれば、レバーハンドルＩを操作してラッチ本体Ｈと受け具Ｆとの係止を解除可能であった。そのため、誤ってレバーハンドルＩを操作してしまうと、扉Ａが開いた状態でスライドしてしまい、第一爪Ｃと第二爪Ｄとがかみ込むことがあり、また扉スライド用のモータが停止せずに暴走するおそれがあった。   However, in the conventional configuration, even when the door A is sliding, before the first claw C and the second claw D are overlapped, the lever handle I is operated so that the latch main body H and the receiver F The lock could be released. Therefore, if the lever handle I is accidentally operated, the door A slides in an open state, the first claw C and the second claw D may be engaged, and the door sliding motor is There was a risk of runaway without stopping.

また、従来の構成では、容器本体Ｂの受け具Ｆに扉Ａのラッチ本体Ｈが係止した状態を維持したまま、扉Ａのスライドと、第一爪Ｃの第二爪Ｄへの押付けがなされていた。つまり、前記丸棒状のラッチ本体Ｈは、前記受け具Ｆに沿ってスライドした後、その係止片Ｊへ向けて移動することになる。ここで、扉Ａの第一爪Ｃは、容器本体Ｂの開口端面Ｋと第二爪Ｄとの隙間に配置されてスライドするが、そのスライドを円滑に行うために、前記開口端面Ｋと第二爪Ｄとの隙間は、第一爪Ｃの厚さよりも余裕を持たせた寸法に設定されている。そして、スライド後にパッキンＥの押出しにより、第一爪Ｃを第二爪Ｄへ押し付けることで、前記隙間が解消される構成とされている。従って、前記隙間の具合によっては、パッキンＥの押出し時に、第一爪Ｃを第二爪Ｄへ押し付ける前に、受け具Ｆの係止片Ｊにラッチ本体Ｈが当接してしまうおそれがあり、扉Ａの閉鎖に不具合を生じさせるおそれがあった。   Further, in the conventional configuration, the sliding of the door A and the pressing of the first claw C against the second claw D are performed while the latch main body H of the door A is kept locked to the receptacle F of the container main body B. It was made. That is, the round bar-shaped latch main body H moves toward the locking piece J after sliding along the receiving member F. Here, the first claw C of the door A slides while being arranged in the gap between the opening end surface K of the container body B and the second claw D. In order to smoothly slide, The gap between the two claws D is set to a dimension with a margin more than the thickness of the first claws C. And it is set as the structure by which the said clearance gap is eliminated by pressing the 1st nail | claw C to the 2nd nail | claw D by extrusion of the packing E after a slide. Therefore, depending on the condition of the gap, the latch body H may come into contact with the locking piece J of the receiver F before pressing the first claw C against the second claw D when the packing E is pushed out. There was a risk of causing trouble in closing the door A.

この発明が解決しようとする課題は、扉のスライドと、第一爪の第二爪への押付けを、適正で確実に行うことができる扉閉鎖構造とそれを用いた密閉容器を提供することにある。   The problem to be solved by the present invention is to provide a door closing structure capable of properly and reliably performing sliding of the door and pressing of the first claw to the second claw and a sealed container using the door closing structure. is there.

この発明は、前記課題を解決するためになされたもので、請求項１に記載の発明は、容器本体の開口部に扉が開閉可能に設けられ、前記扉に設けた第一爪を、前記容器本体に設けた第二爪間の溝に通した後、前記第二爪と対面する位置までスライドさせた状態で、前記第二爪へ押し付けて閉鎖する扉閉鎖部の構造であって、前記第二爪間の溝に前記第一爪を通して前記扉を閉めた際、前記容器本体に前記扉を係止するラッチ機構を備え、このラッチ機構は、前記容器本体に設けられる受け具と、前記扉に設けられ前記受け具に係止可能なラッチ本体とを備え、前記スライドにより前記第一爪と前記第二爪とが対面する位置において、前記受け具は前記ラッチ本体と係止不能な形状に形成されていることを特徴とする扉閉鎖構造である。   This invention was made in order to solve the above-mentioned subject, and the invention according to claim 1 is provided such that a door can be opened and closed at an opening of a container body, and the first claw provided on the door includes After passing through a groove between the second claws provided in the container body, the door closing portion is configured to be pressed against the second claws and closed while being slid to a position facing the second claws, When the door is closed through the first claw in the groove between the second claws, the container body includes a latch mechanism that locks the door, and the latch mechanism includes a receiver provided on the container body, A latch body that is provided on the door and can be locked to the receiving member, and the receiving member has a shape that cannot be locked to the latching body at a position where the first claw and the second claw face each other by the slide. It is the door closing structure characterized by being formed in this.

請求項１に記載の発明によれば、扉スライド後の第一爪と第二爪とが対面した状態では、受け具はラッチ本体と係止不能とされている。従って、第一爪を第二爪へ押し付ける際に、ラッチ本体が受け具へ接触することが防止される。   According to the first aspect of the present invention, in the state where the first claw and the second claw after the door slide face each other, the receiving tool cannot be locked with the latch body. Therefore, when the first claw is pressed against the second claw, the latch main body is prevented from coming into contact with the receiving tool.

請求項２に記載の発明は、前記ラッチ本体は、前記扉に設けられた操作部の操作により、前記受け具と係脱可能に構成され、前記第二爪間の溝の所定位置に前記第一爪が通された状態では、前記受け具への前記ラッチ本体の係止と、前記操作部の操作によるその係止の解除が可能とされ、前記第一爪が前記第二爪間の溝の前記所定位置から前記第二爪と重なる位置まで、前記操作部を操作しても前記受け具からの前記ラッチ本体の係止が解除不能とされたことを特徴とする請求項１に記載の扉閉鎖構造である。   According to a second aspect of the present invention, the latch body is configured to be detachable from the receiving member by operation of an operation portion provided on the door, and the latch main body is located at a predetermined position of a groove between the second claws. In a state where one claw is passed, the latch main body can be locked to the receiving member, and the lock can be released by operation of the operation portion, and the first claw is a groove between the second claw. 2. The latch according to claim 1, wherein even if the operation portion is operated from the predetermined position to a position overlapping with the second claw, the latch body cannot be unlocked from the receiver. It is a door closing structure.

請求項２に記載の発明によれば、扉のスライド開始時に、第一爪と第二爪とが少なくとも一部で重なる状態となるまで、受け具からのラッチ本体の係止が解除不能とされる。従って、操作部を操作しても扉が開くことはない。しかも、その後は、第一爪と第二爪とが重なることで、扉が開くことはない。このようにして、扉の第一爪は、容器本体の開口端面と第二爪との間の適正位置でスライドすることになる。   According to the second aspect of the present invention, when the door starts to slide, the latch body cannot be unlocked from the support until the first claw and the second claw are at least partially overlapped. The Therefore, the door does not open even if the operation unit is operated. And after that, a door does not open because a 1st nail | claw and a 2nd nail | claw overlap. In this way, the first claw of the door slides at an appropriate position between the opening end surface of the container body and the second claw.

請求項３に記載の発明は、前記扉は、前記容器本体の一側端部まわりに回動可能に設けられており、前記扉の左右両端部に、略矩形板状の前記第一爪が上下に等間隔に複数形成されており、前記容器本体の開口部の左右両端部に、略矩形板状の前記第二爪が上下に等間隔に複数形成されており、前記第二爪間の溝の前記所定位置と対応した高さ位置に前記第一爪が配置されると共に、前記受け具と対応した高さ位置に前記ラッチ本体が配置されて、前記扉は回動可能とされており、前記第一爪が前記第二爪間の溝の前記所定位置から前記第二爪と一部で重なる位置まで、前記ラッチ本体の係止を解除不能にするストッパーが前記受け具に設けられており、前記第一爪と前記第二爪とが対面する位置まで前記扉がスライドした状態では、前記ラッチ本体と対応する高さ位置には前記ストッパー付きの前記受け具が設けられていないことを特徴とする請求項２に記載の扉閉鎖構造である。   According to a third aspect of the present invention, the door is provided so as to be rotatable around one side end portion of the container body, and the first claw having a substantially rectangular plate shape is provided at both left and right end portions of the door. A plurality of second claws having a substantially rectangular plate shape are formed at equal intervals in the upper and lower sides at both left and right end portions of the opening of the container body, The first claw is disposed at a height position corresponding to the predetermined position of the groove, the latch body is disposed at a height position corresponding to the receiving member, and the door is rotatable. A stopper is provided on the receiving device for preventing the latch body from being unlocked from the predetermined position of the groove between the second claws to a position partially overlapping with the second claws. In the state where the door slides to the position where the first claw and the second claw face each other, The height position corresponding to the switch body is a door closure structure according to claim 2, wherein the receptacle with the stopper is not provided.

請求項３に記載の発明によれば、扉のスライド開始時に、第一爪と第二爪とが少なくとも一部で重なる状態となるまで、ストッパーにラッチ本体が係止されることで、操作部を操作しても扉の開放が防止される。しかも、その後は、第一爪と第二爪とが重なることで、扉が開くことはない。このようにして、扉の第一爪は、容器本体の開口端面と第二爪との間の適正位置でスライドすることになる。また、扉スライド後の第一爪と第二爪とが対面した状態では、ラッチ本体と対応する高さ位置にはストッパー付きの受け具が設けられていない。従って、第一爪を第二爪へ押し付ける際に、ラッチ本体が受け具やストッパーへ接触することが防止される。   According to the third aspect of the invention, when the door starts to slide, the latch main body is locked to the stopper until the first claw and the second claw are at least partially overlapped with each other. Even if is operated, the door is prevented from opening. And after that, a door does not open because a 1st nail | claw and a 2nd nail | claw overlap. Thus, the 1st nail | claw of a door slides in the appropriate position between the opening end surface of a container main body, and a 2nd nail | claw. In addition, in a state where the first claw and the second claw after the door slide face each other, a receiving tool with a stopper is not provided at a height position corresponding to the latch body. Therefore, when the first claw is pressed against the second claw, the latch body is prevented from coming into contact with the receiving tool or the stopper.

請求項４に記載の発明は、前記ストッパーは、前記容器本体側の内面が、下方へ行くに従って外側へ傾斜して形成されていることを特徴とする請求項３に記載の扉閉鎖構造である。   The invention according to claim 4 is the door closing structure according to claim 3, wherein the stopper is formed such that the inner surface of the container main body side is inclined outward as it goes downward. .

請求項４に記載の発明によれば、閉鎖状態の扉を開けるために、扉を上方へスライドさせる際、ストッパーの前記内面へのラッチ本体の案内が円滑になされる。   According to the fourth aspect of the present invention, when the door is slid upward to open the closed door, the latch main body is smoothly guided to the inner surface of the stopper.

請求項５に記載の発明は、前記受け具または前記ストッパーと前記ラッチ本体との係止の有無を検知するセンサを更に備え、前記第一爪が前記第二爪間の溝の前記所定位置からずれても、前記第二爪間の溝と対応した高さ位置に配置されている間は、前記ストッパーにより前記容器本体への前記扉の係止が解除不能とされていることを特徴とする請求項３または請求項４に記載の扉閉鎖構造である。   The invention according to claim 5 further includes a sensor for detecting whether or not the catcher or the stopper and the latch main body are locked, and the first claw is moved from the predetermined position of the groove between the second claws. Even if it is displaced, while the door is disposed at a height corresponding to the groove between the second claws, the stopper of the door to the container main body cannot be released by the stopper. The door closing structure according to claim 3 or claim 4.

請求項５に記載の発明によれば、前記センサにより、扉のスイング閉位置の確認が容易になされる。また、第二爪間の溝に第一爪が配置されている間は、前記所定位置からずれても、ストッパーにより扉の開放が防止される。従って、扉の第一爪は、容器本体の開口端面と第二爪との間の適正位置でスライドすることになる。   According to the fifth aspect of the present invention, the sensor can easily confirm the swing closed position of the door. Further, while the first claw is disposed in the groove between the second claws, the door is prevented from being opened by the stopper even if the first claw is displaced from the predetermined position. Therefore, the 1st nail | claw of a door slides in the appropriate position between the opening end surface of a container main body, and a 2nd nail | claw.

さらに、請求項６に記載の発明は、前記扉閉鎖構造により扉が容器本体に設けられてなり、前記第一爪の前記第二爪への押付けは、前記容器本体の開口部に沿って連続的に設けられたパッキンを介してなされることを特徴とする請求項１〜５のいずれか１項に記載の扉閉鎖構造を用いた密閉容器である。   Further, the invention according to claim 6 is that the door is provided in the container main body by the door closing structure, and the pressing of the first claw to the second claw is continuous along the opening of the container main body. The sealed container using the door closing structure according to any one of claims 1 to 5, wherein the sealed container is formed through a packing provided in an automatic manner.

請求項６に記載の発明によれば、請求項１〜５のいずれか１項に記載の扉閉鎖構造による作用効果を奏する密閉容器を提供することができる。   According to invention of Claim 6, the airtight container which show | plays the effect by the door closing structure of any one of Claims 1-5 can be provided.

この発明の扉閉鎖構造とそれを用いた扉によれば、扉の第一爪の容器本体の第二爪への押付けを、適正で確実に行うことができる。また、扉のスライドも、適正な位置で確実に行うことができる。   According to the door closing structure of the present invention and the door using the door closing structure, the first claw of the door can be pressed to the second claw of the container body appropriately and reliably. In addition, the sliding of the door can be reliably performed at an appropriate position.

つぎに、この発明の実施の形態について説明する。
本発明の扉閉鎖構造は、容器本体の開口部を扉で閉じるための構造で、容器本体と扉との間に適用される。また、本発明の密閉容器は、前記扉閉鎖構造により扉が開閉可能に設けられた容器である。この密閉容器の用途は特に問わないが、蒸煮機、蒸し庫、蒸煮冷却機、オートクレーブなどのように、内部が加圧される圧力容器として好適に用いられる。蒸煮冷却機または蒸煮機とする場合、容器本体に二つの開口部を対面して設け、各開口部を扉で開閉可能とし、その一方または双方の扉閉鎖構造として本発明を適用できる。この場合、隔壁で区切られた複数の異なる室（温度または機能の異なる室）に面してそれぞれ前記開口部を配置し、各開口部を開閉する扉をそれぞれ有し、両扉を同時に開かないように制御するタイプのものにも適用可能である。 Next, an embodiment of the present invention will be described.
The door closing structure of the present invention is a structure for closing the opening of the container body with the door, and is applied between the container body and the door. Moreover, the airtight container of this invention is a container provided with the door closing structure so that a door can be opened and closed. Although the use of this airtight container is not particularly limited, it is suitably used as a pressure container in which the inside is pressurized, such as a steamer, a steamer, a steam cooler, or an autoclave. In the case of a steam cooler or steamer, the container body is provided with two openings facing each other, each opening can be opened and closed with a door, and the present invention can be applied as one or both door closing structures. In this case, the openings are respectively arranged facing a plurality of different chambers (rooms having different temperatures or functions) separated by partition walls, and each door has a door for opening and closing each opening, and the doors are not opened simultaneously. It is also applicable to the type of control.

前記容器本体は、一端面に開口して中空部を有し、その開口部に前記扉が開閉可能に設けられる。容器本体の開口部が扉で閉じられた際には、前記中空部が密閉される。容器本体の開口部への扉の閉鎖には、本発明の扉閉鎖構造が用いられるが、この扉閉鎖構造は、いわゆるクラッチ式ロック機構である。   The container body has a hollow portion opened at one end surface, and the door is provided in the opening portion so as to be openable and closable. When the opening of the container body is closed by the door, the hollow portion is sealed. The door closing structure of the present invention is used for closing the door to the opening of the container body, and this door closing structure is a so-called clutch-type locking mechanism.

扉は、ヒンジにより容器本体に対し回動可能に設けられる。これにより、扉は、容器本体の開口部を覆うスイング閉位置と、容器本体の開口部から離隔したスイング開位置との間で回動可能とされる。さらに、扉は、前記スイング閉位置において、扉面に沿ってスライドすることで往復動する。典型的には、扉は略矩形板状とされ、略矩形箱状の容器本体の開口部に沿ってスライド可能に設けられるが、略円形板状の扉が、有底円筒状の容器本体の開口部において回転するようスライド可能に設けてもよい。扉は通常、その回動動作は手動で行われるが、スライド動作はシリンダ機構などの適宜の駆動装置を用いて自動または半自動で行われる。   The door is provided so as to be rotatable with respect to the container body by a hinge. Thereby, the door can be rotated between a swing closed position that covers the opening of the container main body and a swing open position that is separated from the opening of the container main body. Further, the door reciprocates by sliding along the door surface at the swing closed position. Typically, the door has a substantially rectangular plate shape, and is provided to be slidable along the opening of the substantially rectangular box-shaped container body. However, the substantially circular plate-shaped door has a bottomed cylindrical container body. You may provide so that a slide is possible so that it may rotate in an opening part. The door is normally rotated manually, but the sliding operation is automatically or semi-automatically using an appropriate driving device such as a cylinder mechanism.

扉には、第一爪が所定間隔で複数設けられる。この第一爪は、典型的には同じ形状および大きさの略矩形板状とされ、さらにそのスライド方向両端部を傾斜面とした略台形状とするのがよい。このような第一爪が所定間隔で複数設けられることで、扉には、略矩形状の第一凸部（第一爪）と略矩形状の第一凹溝とが交互に複数設けられる。   The door is provided with a plurality of first claws at predetermined intervals. The first claw is typically a substantially rectangular plate shape having the same shape and size, and it is preferable that the first claw has a substantially trapezoidal shape with both ends in the sliding direction as inclined surfaces. By providing a plurality of such first claws at a predetermined interval, a plurality of substantially rectangular first convex portions (first nails) and substantially rectangular first concave grooves are alternately provided on the door.

一方、容器本体には、第二爪が所定間隔で複数設けられる。この第二爪は、典型的には同じ形状および大きさの略矩形板状とされ、さらにそのスライド方向両端部を傾斜面とした略台形状とするのがよい。このような第二爪が所定間隔で複数設けられることで、容器本体には、略矩形状の第二凸部（第二爪）と略矩形状の第二凹溝とが交互に複数設けられる。   On the other hand, the container body is provided with a plurality of second claws at predetermined intervals. The second claw is typically a substantially rectangular plate having the same shape and size, and is preferably substantially trapezoidal with both ends in the sliding direction as inclined surfaces. By providing a plurality of such second claws at a predetermined interval, the container body is provided with a plurality of substantially rectangular second convex portions (second nails) and substantially rectangular second concave grooves alternately. .

扉をスイング開位置からスイング閉位置まで回動させる際、容器本体の第二爪間の第二凹溝に、扉の第一爪が通される。逆にいうと、この際、扉の第一爪間の第一凹溝には、容器本体の第二爪が通される。これにより、容器本体の開口端面と第二爪との間に、扉の第一爪が配置される。このようなスイング閉位置における容器本体への扉の保持を確実になすために、容器本体と扉との間には、ラッチ機構が設けられる。   When the door is rotated from the swing open position to the swing close position, the first claw of the door is passed through the second concave groove between the second claws of the container body. In other words, at this time, the second claw of the container body is passed through the first concave groove between the first claw of the door. Thereby, the 1st nail | claw of a door is arrange | positioned between the opening end surface of a container main body, and a 2nd nail | claw. A latch mechanism is provided between the container body and the door in order to securely hold the door to the container body in such a swing closed position.

ラッチ機構は、スイング閉位置において、容器本体に扉を係止するものである。このラッチ機構は、容器本体に設けられる受け具と、扉に設けられ前記受け具に係止可能なラッチ本体とを備える。受け具からのラッチ本体の係止解除は、扉に設けられたレバーハンドルやノブなどの各種操作部の操作によりなされる。一方、受け具へのラッチ本体の係止も、これら操作部の操作により行ってもよいが、扉をスイング閉位置まで回動させることで、前記係止が自動でなされる構成とするのがよい。   The latch mechanism locks the door to the container body in the swing closed position. The latch mechanism includes a receptacle provided on the container body and a latch body provided on the door and engageable with the receptacle. The latch body is unlocked from the receptacle by operating various operation parts such as a lever handle and a knob provided on the door. On the other hand, the latch main body may be locked to the receiver by operating these operation portions. However, the locking is automatically performed by rotating the door to the swing closed position. Good.

容器本体の開口部を扉で閉じて密閉するには、扉をスイング閉位置まで閉めた状態で、扉の第一爪が容器本体の第二爪と対面する位置まで、扉をスライドさせる。さらに、容器本体の開口部の外側に沿って設けたパッキンを扉側へ押し出して、第一爪を第二爪へ押し付ければよい。この際、前記パッキンは、扉の内面（容器本体側の面）に連続的に接触される。   To close and seal the opening of the container body with the door, the door is slid to a position where the first claw of the door faces the second claw of the container body with the door closed to the swing closed position. Furthermore, what is necessary is just to push the packing provided along the outer side of the opening part of a container main body to the door side, and press a 1st nail | claw to a 2nd nail | claw. At this time, the packing is continuously in contact with the inner surface of the door (the surface on the container body side).

本実施形態の前記受け具は、前記スライドにより第一爪と第二爪とが対面する位置においては、ラッチ本体と係止不能な形状に形成されている。そのため、前記パッキンの押し出しにより、第一爪が第二爪へ押し付けられる際に、ラッチ本体が受け具へ接触するのが防止され、ラッチ機構の破損などが防止される。   The receiving member of the present embodiment is formed in a shape that cannot be locked to the latch body at a position where the first claw and the second claw face each other by the slide. Therefore, when the first claw is pressed against the second claw by pushing out the packing, the latch main body is prevented from coming into contact with the receiving tool, and the latch mechanism is prevented from being damaged.

一方、第二爪間の第二凹溝の所定位置（典型的には中央位置）に第一爪が配置された状態では、受け具へのラッチ本体の係止と、前記操作部の操作によるその係止の解除が可能とされる。つまり、その状態では、受け具とラッチ本体とが対応して配置され、扉の回動が可能とされる。   On the other hand, in a state where the first claw is disposed at a predetermined position (typically the center position) of the second concave groove between the second claws, the latch body is locked to the receiving tool and the operation unit is operated. The lock can be released. That is, in that state, the receiving tool and the latch main body are arranged correspondingly, and the door can be turned.

そして、この状態から、第一爪が第二爪間の第二凹溝の前記所定位置から、第二爪と少なくとも一部で重なる位置までは、前記操作部を操作しても受け具からのラッチ本体の係止を解除不能とする。そのために、受け具には、扉のスライド閉方向の端部に、ストッパーが設けられている。このストッパーにラッチ本体が係止されることで、第二爪間の第二凹溝に第一爪が配置されている間は、扉の開放が防止される。   And from this state, even if the operation portion is operated from the predetermined position of the second groove between the second claws to the position where the first claws overlap at least partly with the second claws, The latch body cannot be unlocked. For this purpose, the stopper is provided with a stopper at the end of the door in the sliding close direction. When the latch main body is locked to the stopper, the door is prevented from being opened while the first claw is disposed in the second concave groove between the second claws.

一方、扉のスライドに伴って、第一爪と第二爪とが重なってきた位置では、ストッパーによらずとも扉の開放が防止されるので、ラッチ本体と対応する位置には、前記ストッパー付きの受け具は省略可能である。そして、上述したように、第一爪と第二爪とが対面する位置においては、本実施形態ではストッパー付きの受け具は設けられていない。   On the other hand, at the position where the first claw and the second claw are overlapped with the sliding of the door, the door is prevented from being opened regardless of the stopper, so the position corresponding to the latch body is provided with the stopper. The receiver can be omitted. And as above-mentioned, in the position where a 1st nail | claw and a 2nd nail | facing face, the receiving tool with a stopper is not provided in this embodiment.

ストッパーの内面（容器本体側の面）は、スライド閉方向へ行くに従って外側へ傾斜して形成するのがよい。これにより、容器の密閉状態から扉を開けるために、扉をスライド開方向へ移動させる際に、ストッパーへのラッチ本体の接触による損傷を確実に防止できる。   The inner surface of the stopper (surface on the container body side) is preferably formed so as to be inclined outward as it goes in the slide closing direction. Thereby, in order to open a door from the sealed state of a container, when moving a door to a slide opening direction, the damage by the contact of a latch main body with a stopper can be prevented reliably.

ところで、ストッパー付き受け具とラッチ本体との係止の有無を検知する近接センサを設けるのが好ましい。このセンサは、磁性を利用した誘導形近接スイッチの他、光電センサやリミットスイッチなどでもよい。このセンサは、扉やラッチ本体の側に設けてもよいし、容器本体や受け具の側に設けてもよいし、その双方に設けてもよい。このセンサにより、扉のスイング閉位置の確認が容易になされる。また、第一爪が第二爪間の第二凹溝に配置されているか否かを確認することができる。   By the way, it is preferable to provide a proximity sensor that detects whether or not the stopper-equipped receiver and the latch body are locked. In addition to the inductive proximity switch using magnetism, this sensor may be a photoelectric sensor or a limit switch. This sensor may be provided on the side of the door or the latch main body, may be provided on the side of the container main body or the receptacle, or may be provided on both of them. This sensor makes it easy to confirm the swing closed position of the door. Moreover, it can be confirmed whether the 1st nail | claw is arrange | positioned in the 2nd ditch | groove between 2nd nail | claws.

但し、センサは、受け具自体とラッチ本体との係止の有無を検知する構成とし、このセンサによる検知範囲外で、且つ第二爪間の第二凹溝と対応して第一爪が配置されている間は、ストッパーにより容器本体への扉の係止を解除不能にしてもよい。この場合、扉のスイング閉位置の確認が可能であると共に、センサによる検知範囲外になっても、第二爪間の第二凹溝に第一爪が配置されている間は、ストッパーにより扉の開放が防止される。また、センサは、扉側に設けて、扉のスライド中に連続的に受け具の動きを検知するように構成することができる。この場合、受け具を検知している間は第一爪と第二爪とが重なっていて扉が閉鎖状態にあるように構成されている。   However, the sensor is configured to detect whether or not the catcher itself is locked with the latch body, and the first claw is disposed outside the detection range by the sensor and corresponding to the second concave groove between the second claws. While being done, the stopper of the door to the container body may be disabled by the stopper. In this case, it is possible to check the swing closed position of the door, and even if it is outside the detection range by the sensor, the door is stopped by the stopper while the first claw is placed in the second groove between the second claw. Is prevented from opening. Moreover, a sensor can be provided in the door side and can be comprised so that a motion of a receiving tool may be continuously detected during the sliding of a door. In this case, the first claw and the second claw are overlapped and the door is in a closed state while the receiving device is detected.

以下、この発明の具体的実施例を図面に基づいて詳細に説明する。
図１は、本発明の扉閉鎖構造が適用された密閉容器の一実施例を示す概略説明図であり、正面側から見た状態を示し、一部を断面にして示している。また、図２から図４は、本実施例の密閉容器の扉閉鎖構造を示すために、戸先側を拡大して示す概略斜視図であり、図２は扉のスイング閉状態を示し、図３は扉のスライド中の状態を示し、図４は扉のスライド完了状態を示している。 Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a schematic explanatory view showing one embodiment of a sealed container to which the door closing structure of the present invention is applied, showing a state seen from the front side, and showing a part in cross section. 2 to 4 are schematic perspective views showing the door end side in an enlarged manner in order to show the door closing structure of the hermetic container of this embodiment, and FIG. 2 shows the swing closed state of the door. 3 shows a state in which the door is being slid, and FIG. 4 shows a state in which the door has been slid.

図１および図２に示すように、密閉容器１は、容器本体２と扉３とを備える。本実施例の容器本体２は、略矩形の金属製ボックス状に構成されており、正面へ開口部４を向けて略矩形状の中空部が形成されている。前記開口部４を開閉可能に、容器本体２には扉３が設けられる。本実施例の扉３は、金属製で、略矩形板状に形成されている。   As shown in FIGS. 1 and 2, the sealed container 1 includes a container body 2 and a door 3. The container body 2 of the present embodiment is configured in a substantially rectangular metal box shape, and a substantially rectangular hollow portion is formed with the opening 4 facing the front. The container body 2 is provided with a door 3 so that the opening 4 can be opened and closed. The door 3 of the present embodiment is made of metal and has a substantially rectangular plate shape.

扉３は、容器本体２の一側端部に、ヒンジ５を介して回動可能に設けられる。図示例では、容器本体２の右側端部に枢軸６が上下方向へ沿って配置され、この枢軸６まわりに回動可能に支持部材７を設け、この支持部材７に扉３が保持される。この際、扉３は、支持部材７ひいては容器本体２に対し上下方向へスライド可能に設けられる。   The door 3 is provided at one end of the container body 2 via a hinge 5 so as to be rotatable. In the illustrated example, a pivot 6 is disposed at the right end of the container body 2 along the vertical direction. A support member 7 is provided so as to be rotatable around the pivot 6, and the door 3 is held by the support member 7. At this time, the door 3 is provided so as to be slidable in the vertical direction with respect to the support member 7 and thus the container body 2.

本実施例では、前記支持部材７に上下方向へ沿ってガイド棒８が設けられる一方、このガイド棒８に沿って摺動するスライド材９が扉３に固定される。そして、ガイド棒８に沿ってスライド材９および扉３を上下動させるために、扉３と支持部材７との間には、シリンダ機構１０が設けられる。このシリンダ機構１０は、シリンダ本体１１からロッド１２が進退可能に構成され、ロッド１２が上下方向に進退するように、シリンダ本体１１を下側にして設けられる。その際、シリンダ本体１１は、支持部材７にピン結合１３により連結される。また、扉３にロッド受け材１４を固定し、このロッド受け材１４の下部にロッド１２の先端部が当接される。   In this embodiment, a guide bar 8 is provided on the support member 7 along the vertical direction, and a slide member 9 that slides along the guide bar 8 is fixed to the door 3. A cylinder mechanism 10 is provided between the door 3 and the support member 7 in order to move the slide member 9 and the door 3 up and down along the guide bar 8. The cylinder mechanism 10 is configured such that a rod 12 can advance and retreat from the cylinder body 11, and the cylinder body 11 is provided on the lower side so that the rod 12 can advance and retract in the vertical direction. At that time, the cylinder body 11 is connected to the support member 7 by a pin connection 13. Further, the rod receiving member 14 is fixed to the door 3, and the tip end portion of the rod 12 is brought into contact with the lower portion of the rod receiving member 14.

従って、シリンダ本体１１からロッド１２を突出させて、シリンダ機構１０を伸長させると、ロッド１２の先端部はロッド受け材１４ひいては扉３を押し上げることになる。一方、シリンダ本体１１へロッド１２を退入させて、シリンダ機構１０を短縮させると、ロッド１２の退入に応じて扉３はその自重により支持部材７に対して下方へ移動することになる。   Therefore, when the rod 12 is protruded from the cylinder body 11 and the cylinder mechanism 10 is extended, the tip of the rod 12 pushes up the rod receiving member 14 and thus the door 3. On the other hand, when the rod 12 is retracted into the cylinder body 11 and the cylinder mechanism 10 is shortened, the door 3 moves downward relative to the support member 7 by its own weight in accordance with the retracting of the rod 12.

このようにして、扉３は、ヒンジ５まわりの回動と、シリンダ機構１０を介した上下方向のスライドが可能とされる。ヒンジ５まわりの回動について述べると、扉３は、容器本体２の開口部４を覆うスイング閉位置と、容器本体２の開口部４から離隔したスイング開位置との間で、ヒンジ５にて回動可能とされる。また、上下方向のスライドについて述べると、扉３は、前記スイング閉位置において、シリンダ機構１０により上下動可能とされる。   In this manner, the door 3 can be rotated around the hinge 5 and slid up and down via the cylinder mechanism 10. When the rotation around the hinge 5 is described, the door 3 is located at the hinge 5 between a swing closed position that covers the opening 4 of the container body 2 and a swing open position that is separated from the opening 4 of the container body 2. It can be turned. As for the vertical slide, the door 3 can be moved up and down by the cylinder mechanism 10 in the swing closed position.

ところで、前記シリンダ機構１０は、たとえば送りネジ機構を用いて構成される。すなわち、モータなどの駆動源（不図示）により雌ネジ部材（不図示）を回転させることにより、この雌ネジ部材に進退可能に螺合された雄ネジ部材（不図示）をその軸線方向へ往復動させ、この雄ネジ部材に連結してあるロッド１２を進退させる。但し、シリンダ機構１０としては、油圧シリンダ機構や空気圧シリンダ機構などを用いることもできる。   By the way, the cylinder mechanism 10 is configured using, for example, a feed screw mechanism. That is, by rotating a female screw member (not shown) by a driving source (not shown) such as a motor, a male screw member (not shown) screwed to the female screw member so as to advance and retreat is reciprocated in the axial direction. The rod 12 connected to the male screw member is moved forward and backward. However, as the cylinder mechanism 10, a hydraulic cylinder mechanism, a pneumatic cylinder mechanism, or the like can be used.

扉３には、スイング閉位置において容器本体２の開口部４の左右方向外側位置に、上下方向に複数の第一爪１５，１５…が設けられる。この第一爪１５は、扉３の左右両側部に、左右対称形状に設けられる。各第一爪１５は、同じ形状および大きさの略台形状とされる。つまり、扉３の左右両側面から左右方向外側へ突出するよう設けられる略矩形状の板材は、その上下両端面が、左右方向外側へ行くに従って互いに近接するよう傾斜して形成される。このような第一爪１５が上下に所定間隔で複数設けられることで、扉３の左右両側面には、略矩形状の第一凸部（第一爪）１５と略矩形状の第一凹溝１６とが交互に複数設けられる。   In the door 3, a plurality of first claws 15, 15... Are provided in the vertical direction on the outer side in the left-right direction of the opening 4 of the container body 2 in the swing closed position. The first claws 15 are provided in left and right symmetrical portions on the left and right sides of the door 3. Each first claw 15 has a substantially trapezoidal shape having the same shape and size. That is, the substantially rectangular plate material provided so as to protrude outward in the left-right direction from the left and right side surfaces of the door 3 is formed so that the upper and lower end surfaces thereof are inclined so as to approach each other as going outward in the left-right direction. By providing a plurality of such first claws 15 at a predetermined interval in the vertical direction, a substantially rectangular first convex portion (first claw) 15 and a substantially rectangular first concave portion are formed on the left and right side surfaces of the door 3. A plurality of grooves 16 are alternately provided.

一方、容器本体２の開口部４の外側には、その開口部４よりも左右および上下に拡幅して、扉３を受け入れ可能な扉収容部１７が、正面側へ開口して形成されている。この扉収容部１７の奥側の端面は、扉３をスイング閉位置まで閉めた際の戸当り面１８として機能する。また、扉収容部１７の左右両側部には、それぞれ上下方向に複数の第二爪１９，１９…が設けられる。この第二爪１９は、容器本体２の左右両側部に、左右対称形状に設けられる。各第二爪１９は、同じ形状および大きさの略台形状とされる。つまり、扉収容部１７の左右両側面から左右方向内側へ突出するよう設けられる略矩形状の板材は、その上下両端面が、左右方向内側へ行くに従って互いに近接するよう傾斜して形成される。このような第二爪１９が上下に所定間隔で複数設けられることで、容器本体２の左右両側面には、略矩形状の第二凸部（第二爪）１９と略矩形状の第二凹溝２０とが交互に複数設けられる。   On the other hand, on the outside of the opening 4 of the container body 2, a door accommodating portion 17 that is wider left and right and up and down than the opening 4 and can receive the door 3 is formed to open to the front side. . The end surface on the back side of the door accommodating portion 17 functions as a door contact surface 18 when the door 3 is closed to the swing closed position. In addition, a plurality of second claws 19, 19... Are provided on the left and right sides of the door accommodating portion 17 in the vertical direction. The second claws 19 are provided in a bilaterally symmetric shape on the left and right sides of the container body 2. Each 2nd nail | claw 19 is made into the substantially trapezoid shape of the same shape and a magnitude | size. That is, the substantially rectangular plate material provided so as to protrude inward in the left-right direction from the left and right side surfaces of the door accommodating portion 17 is formed so as to be inclined so that the upper and lower end surfaces approach each other toward the inner side in the left-right direction. By providing a plurality of such second claws 19 at predetermined intervals in the vertical direction, a substantially rectangular second convex portion (second claw) 19 and a substantially rectangular second shape are formed on the left and right side surfaces of the container body 2. A plurality of concave grooves 20 are alternately provided.

扉３をスイング開位置からスイング閉位置まで回動させる際、容器本体２の第二爪１９間の第二凹溝２０に、扉３の第一爪１５が通される。またこの際、扉３の第一爪１５間の第一凹溝１６には、容器本体２の第二爪１９が通される。扉３は、その内面が扉収容部１７の前記戸当り面１８に当接することで、スイング閉位置における位置決めが容易になされる。扉３がスイング閉位置にある場合には、容器本体２の開口端面（戸当り面）１８と第二爪１９との間に、扉３の第一爪１５が配置される。さらに、このようなスイング閉位置における容器本体２への扉３の保持を確実になすために、容器本体２と扉３との間には、ラッチ機構２１が設けられる。   When the door 3 is rotated from the swing open position to the swing close position, the first claw 15 of the door 3 is passed through the second concave groove 20 between the second claws 19 of the container body 2. At this time, the second claw 19 of the container body 2 is passed through the first concave groove 16 between the first claws 15 of the door 3. The door 3 is easily positioned at the swing closed position because the inner surface of the door 3 abuts against the door contact surface 18 of the door accommodating portion 17. When the door 3 is in the swing closed position, the first claw 15 of the door 3 is disposed between the opening end surface (door contact surface) 18 of the container body 2 and the second claw 19. Further, a latch mechanism 21 is provided between the container main body 2 and the door 3 in order to securely hold the door 3 to the container main body 2 in such a swing closed position.

ラッチ機構２１は、スイング閉位置において、容器本体２に扉３を係止するものである。このラッチ機構２１は、容器本体２に設けられる受け具２２と、扉３に設けられ前記受け具２２に係脱可能なラッチ本体２３とを備え、受け具２２からのラッチ本体２３の係止解除は、扉３に設けられた操作部２４の操作によりなされる。本実施例のラッチ機構２１は、いわゆるフリーザハンドルと呼ばれる構成であり、扉３に、前記ラッチ本体２３および前記操作部としてのハンドル２４を有するラッチ錠２５が設けられる一方、容器本体２には受け具２２が設けられる。   The latch mechanism 21 locks the door 3 to the container body 2 in the swing closed position. The latch mechanism 21 includes a receptacle 22 provided on the container body 2 and a latch body 23 provided on the door 3 and detachable from the receptacle 22, and the latch body 23 is unlocked from the receptacle 22. Is performed by operating the operation unit 24 provided on the door 3. The latch mechanism 21 according to the present embodiment has a so-called freezer handle, and the door 3 is provided with a latch lock 25 having the latch body 23 and the handle 24 as the operation portion, while the container body 2 has a receiving mechanism. A tool 22 is provided.

具体的には、ラッチ錠２５は、扉３の戸先側外面で、扉３の上下方向中央部に設けられる。ラッチ錠２５の戸先側には、戸先側へ突出してラッチ本体２３が、扉３の幅方向（左右方向）へ進退可能に設けられる。このラッチ本体２３は、所定長さだけ戸先側へ押し出されるよう常時付勢されており、この付勢力に対抗して戸尻側へ押し込み可能とされている。このようなラッチ本体２３の先端部には、ローラ２６が回転可能に設けられる。このローラ２６は、ラッチ本体２３の先端部において、上下方向へ沿って配置された中心軸まわりに回転可能に保持される。さらに、ラッチ錠２５の外面には、ハンドル２４が水平面内で一端部まわりに揺動可能に設けられており、このハンドル２４を手前へ引くことで、前記ラッチ本体２３を後退させることができる。   Specifically, the latch lock 25 is provided at the center of the door 3 in the vertical direction on the door side outer surface of the door 3. A latch main body 23 is provided on the door end side of the latch lock 25 so as to protrude toward the door end side so as to advance and retreat in the width direction (left-right direction) of the door 3. The latch body 23 is constantly urged so as to be pushed out to the door tip side by a predetermined length, and can be pushed into the door butt side against the urging force. A roller 26 is rotatably provided at the tip of the latch body 23. The roller 26 is held at the front end portion of the latch body 23 so as to be rotatable around a central axis disposed along the vertical direction. Further, a handle 24 is provided on the outer surface of the latch lock 25 so as to be swingable around one end in a horizontal plane, and the latch body 23 can be retracted by pulling the handle 24 forward.

一方、受け具２２は、容器本体２の扉収容部１７の左側面に設けられる。本実施例の受け具２２は、扉収容部１７の左側面に重ね合わされて固定される板状の取付片２７を備え、この取付片２７の手前側の端部には、横断面略三角形状の係止部２８が、右側へ突出して設けられる。この係止部２８は、扉収容部１７の外方へ向けて傾斜面２９を有する。この傾斜面２９は、右側へ行くに従って扉収容部１７の奥側へ傾斜して形成される。また、係止部２８の内面（戸当り面１８と対面する面）３０は、前記傾斜面２９を乗り越えたローラ２６を係止するために、本実施例では左右方向へ延出して形成されている。   On the other hand, the receptacle 22 is provided on the left side surface of the door accommodating portion 17 of the container body 2. The receiver 22 of the present embodiment includes a plate-like attachment piece 27 that is overlapped and fixed on the left side surface of the door accommodating portion 17, and has a substantially triangular cross section at the front end of the attachment piece 27. The locking portion 28 is provided so as to protrude to the right side. The locking portion 28 has an inclined surface 29 toward the outside of the door accommodating portion 17. The inclined surface 29 is formed to be inclined toward the back side of the door accommodating portion 17 as it goes to the right side. Further, the inner surface 30 (the surface facing the door contact surface 18) 30 of the locking portion 28 is formed to extend in the left-right direction in this embodiment in order to lock the roller 26 over the inclined surface 29. Yes.

これにより、扉３を閉める際には、ローラ２６が傾斜面２９に沿って回転しつつ移動することで、ラッチ本体２３を自動的に後退させることができ、ハンドル２４の操作なしに扉３を閉めることができる。しかも、一旦、ローラ２６が係止部２８を乗り越えると、ラッチ本体２３が突出して係止部２８の内面（戸当り面１８と対面する面）３０に当接され、ラッチ本体２３と受け具２２とが係止される。そして、その係止状態は、ハンドル２４を操作しない限り解除不能とされる。   As a result, when the door 3 is closed, the roller 26 moves while rotating along the inclined surface 29, whereby the latch body 23 can be automatically retracted, and the door 3 can be moved without operating the handle 24. Can be closed. Moreover, once the roller 26 gets over the locking portion 28, the latch main body 23 protrudes and comes into contact with the inner surface 30 of the locking portion 28 (the surface facing the door contact surface 18). Are locked. The locked state cannot be released unless the handle 24 is operated.

さらに、受け具２２の下部には、ストッパー３１が設けられる。本実施例のストッパー３１は、受け具２２と一体的に設けられた略矩形のブロック状であり、受け具２２の係止部２８よりもさらに突出して設けられる。ストッパー３１の突出長さＬは、ストッパー３１と前記戸当り面１８との間にラッチ本体２３が配置された状態で、ハンドル２４を操作してラッチ本体２３を後退させても、ストッパー３１からのラッチ本体２３の係止が解除不能な長さとされている。また、ストッパー３１の内面（戸当り面１８と対面する面）３２は、下方へ行くに従って外側へ若干傾斜して形成されている。また、この内面３２の上端部は、前記係止部２８と対応した位置に配置される。   Further, a stopper 31 is provided at the lower portion of the receiving tool 22. The stopper 31 of the present embodiment is a substantially rectangular block formed integrally with the receiving member 22, and is provided so as to protrude further than the locking portion 28 of the receiving member 22. The protruding length L of the stopper 31 is such that even when the latch body 23 is operated and the latch body 23 is moved backward with the latch body 23 disposed between the stopper 31 and the door contact surface 18, The latch body 23 has a length that cannot be released. The inner surface 32 of the stopper 31 (the surface facing the door contact surface 18) 32 is formed to be slightly inclined outward as it goes downward. Further, the upper end portion of the inner surface 32 is disposed at a position corresponding to the locking portion 28.

ところで、容器本体２の戸当り面１８には、容器本体２の開口部４を取り巻くように連続的にパッキン３３が設けられている。このパッキン３３は、前記開口部４を取り巻くように形成されたパッキン溝３４（図４）内に収容されている。容器本体２の開口部４に扉３を密閉する際には、コンプレッサからの圧縮空気を利用してパッキン溝３４を加圧することで、パッキン３３を扉３側へ突出させて、扉３の内面に密着させればよい。逆に、容器本体２と扉３との密閉を解除する際には、真空ポンプやアスピレータなどの吸引力を利用して、パッキン３３をパッキン溝３４内に戻して収容すればよい。   By the way, a packing 33 is continuously provided on the door contact surface 18 of the container body 2 so as to surround the opening 4 of the container body 2. The packing 33 is accommodated in a packing groove 34 (FIG. 4) formed so as to surround the opening 4. When sealing the door 3 to the opening 4 of the container body 2, the packing groove 34 is pressurized using the compressed air from the compressor, so that the packing 33 protrudes toward the door 3, and the inner surface of the door 3. What is necessary is just to stick to. On the contrary, when the sealing between the container main body 2 and the door 3 is released, the packing 33 may be stored in the packing groove 34 by using a suction force such as a vacuum pump or an aspirator.

次に、本実施例の扉３の開閉動作について説明する。初期状態において、扉３は、ヒンジ５の枢軸６まわりに回動して開口部４から離れており、スイング開位置にあるものとする。また、シリンダ機構１０は、ロッド１２を突出させており、このロッド１２の先端はロッド受け材１４に当接して、扉３を所定高さに保持しているとする。この初期状態では、扉３のラッチ本体２３は、容器本体２の受け具２２と同一高さ位置に配置されている。そして、この状態では、容器本体２の第二凹溝２０の所定位置（上下方向中央部）に、扉３の第一爪１５が配置されている。また、ローラ２６の下端は、ストッパー３１の上端（係止部２８の下端）と一致するか、それより僅かに（たとえば５ｍｍ程度）上方へ配置される。   Next, the opening / closing operation | movement of the door 3 of a present Example is demonstrated. In the initial state, the door 3 is rotated around the pivot 6 of the hinge 5 and away from the opening 4 and is in the swing open position. Further, the cylinder mechanism 10 projects a rod 12, and the tip of the rod 12 is in contact with the rod receiving member 14 to hold the door 3 at a predetermined height. In this initial state, the latch body 23 of the door 3 is disposed at the same height as the receptacle 22 of the container body 2. And in this state, the 1st nail | claw 15 of the door 3 is arrange | positioned in the predetermined position (vertical direction center part) of the 2nd ditch | groove 20 of the container main body 2. FIG. Further, the lower end of the roller 26 coincides with the upper end of the stopper 31 (the lower end of the locking portion 28) or is slightly above (for example, about 5 mm).

この初期状態から、扉３を枢軸６まわりに、スイング閉位置まで回動させる。この際、容器本体２の第二爪１９，１９間の第二凹溝２０に、扉３の第一爪１５が通されると共に、扉３の第一爪１５，１５間の第一凹溝１６に、容器本体２の第二爪１９が通される。また、ラッチ本体２３は、そのローラ２６が受け具２２の係止部２８の傾斜面２９に沿って移動した後、その係止部２８の内面３０に係止される。その状態では、容器本体２の戸当り面１８と第二爪１９との間に、扉３の第一爪１５が配置される。   From this initial state, the door 3 is rotated around the pivot 6 to the swing closed position. At this time, the first claw 15 of the door 3 is passed through the second ditch 20 between the second claws 19 and 19 of the container body 2, and the first ditch between the first claws 15 and 15 of the door 3. 16 is passed through the second claw 19 of the container body 2. The latch body 23 is locked to the inner surface 30 of the locking portion 28 after the roller 26 moves along the inclined surface 29 of the locking portion 28 of the receiving member 22. In this state, the first claw 15 of the door 3 is disposed between the door contact surface 18 of the container body 2 and the second claw 19.

その後、シリンダ機構１０を作動させ、シリンダ本体１１へロッド１２を退入させる。このロッド１２の退入につれて扉３が設定高さまで下降し、図２から図３さらに図４の状態へと順次移行し、第一爪１５が第二爪１９と対面する高さ位置に配置される。この状態で、パッキン３３をパッキン溝３４から突出させて、パッキン３３を扉３の内面に密着しつつ、扉３を外方へ移動させる。これにより、第二爪１９に第一爪１５を押し付けつつ、容器本体２の開口部４を扉３で気密状態に閉じることができる。   Thereafter, the cylinder mechanism 10 is operated, and the rod 12 is retracted into the cylinder body 11. As the rod 12 is retracted, the door 3 is lowered to the set height, and sequentially shifts from the state shown in FIGS. 2 to 3 to the state shown in FIG. 4, and the first claw 15 is arranged at a height position facing the second claw 19. The In this state, the packing 33 is protruded from the packing groove 34, and the door 3 is moved outward while the packing 33 is in close contact with the inner surface of the door 3. Thereby, the opening part 4 of the container main body 2 can be closed in an airtight state by the door 3 while pressing the first claw 15 against the second claw 19.

ところで、第一爪１５が第二爪１９，１９間の第二凹溝２０の所定位置（本実施例では上述のとおり第二凹溝２０の上下方向中央部であるが、上下方向へたとえば５ｍｍ程度の多少の範囲をもった所定位置でもよい）から、第二爪１９と少なくとも一部で重なる位置までは、ハンドル２４を操作してもストッパー３１により受け具２２からのラッチ本体２３の係止解除が阻止される。そのため、第二爪１９，１９間の第二凹溝２０に第一爪１５が配置されている間は、扉３の開放が阻止されると共に、第一爪１５は第二爪１９と当たることなく下降できる。そして、扉３のスライドに伴って、第一爪１５と第二爪１９とが重なってきた位置では、ストッパー３１によらずとも扉３の開放が防止される。さらに、第一爪１５と第二爪１９とが対面した状態では、ラッチ本体２３と対応する位置には、ストッパー３１および受け具２２は配置されていない。従って、第二爪１９への第一爪１５の押付け時に、受け具２２やストッパー３１にラッチ本体２３が接触することはない。   By the way, the first claw 15 is a predetermined position of the second concave groove 20 between the second claws 19 and 19 (in the present embodiment, as described above, it is the central portion in the vertical direction of the second concave groove 20, The latch body 23 can be locked from the support 22 by the stopper 31 even if the handle 24 is operated from the predetermined position having a certain range) to the position at least partially overlapping the second claw 19. Release is blocked. Therefore, while the first claw 15 is disposed in the second groove 20 between the second claws 19, 19, the door 3 is prevented from being opened, and the first claw 15 hits the second claw 19. Can descend And in the position where the 1st nail | claw 15 and the 2nd nail | claw 19 overlapped with the sliding of the door 3, the opening of the door 3 is prevented irrespective of the stopper 31. FIG. Further, in a state where the first claw 15 and the second claw 19 face each other, the stopper 31 and the receiving tool 22 are not arranged at a position corresponding to the latch body 23. Therefore, the latch main body 23 does not come into contact with the receiving tool 22 or the stopper 31 when the first claw 15 is pressed against the second claw 19.

このようにして容器本体２の開口部４を扉３で密閉した状態で、密閉容器１の目的に応じて、蒸煮処理や蒸気殺菌処理などがなされた後、パッキン３３をパッキン溝３４内へ収容して気密状態を解除し、前述と逆の要領で扉３を開放する。すなわち、シリンダ機構１０の作動によりロッド１２を上昇させ、扉３を設定高さまで上昇させる。この際、ストッパー３１の内面３２を傾斜させているので、ストッパー３１や係止部２８へのラッチ本体２３の引っ掛かりを防止できる。そして、扉３の上昇により、第二爪１９，１９間の第二凹溝２０と対応する高さに第一爪１５を配置した状態で、ハンドル２４を操作して受け具２２からのラッチ本体２３の係止を解除し、枢軸６まわりに扉３を開ければよい。   After the opening 4 of the container body 2 is sealed with the door 3 in this way, the packing 33 is accommodated in the packing groove 34 after the steaming process or the steam sterilization process is performed according to the purpose of the sealed container 1. Then, the airtight state is released, and the door 3 is opened in the reverse manner as described above. That is, the rod 12 is raised by the operation of the cylinder mechanism 10, and the door 3 is raised to the set height. At this time, since the inner surface 32 of the stopper 31 is inclined, it is possible to prevent the latch main body 23 from being caught on the stopper 31 or the locking portion 28. Then, when the first claw 15 is disposed at a height corresponding to the second concave groove 20 between the second claws 19, 19 by raising the door 3, the handle 24 is operated to latch the main body from the receptacle 22. What is necessary is just to release the lock | rock of 23 and to open the door 3 around the pivot 6. FIG.

ところで、密閉容器１には、ストッパー３１付きの受け具２２とラッチ本体２３との係止の有無を検知するセンサ３５が設けられる。本実施例のセンサ３５は、磁性を利用した誘導形近接スイッチとされており、ストッパー３１付き受け具２２の側に設けており、ラッチ本体２３（ローラ２６）の有無を検知する。この検知は、第二爪１９，１９間の第二凹溝２０に第一爪１５が配置されている限りなされる。   By the way, the sealed container 1 is provided with a sensor 35 for detecting whether or not the receiving member 22 with the stopper 31 and the latch body 23 are locked. The sensor 35 of the present embodiment is an inductive proximity switch using magnetism, and is provided on the side of the receiving device 22 with the stopper 31 to detect the presence or absence of the latch body 23 (roller 26). This detection is performed as long as the first claw 15 is disposed in the second groove 20 between the second claws 19.

ここで、前記誘導形近接スイッチの動作原理は、発振回路に接続された検出コイルより出る高周波磁界中に金属物体が近接すると、金属中に電磁誘導現象による誘導電流が流れ、金属内に熱損失が発生し、この熱損失の発生により前記発振回路の発振が減衰または停止するので、この減衰または停止の検出を利用するものである。   Here, the principle of operation of the inductive proximity switch is that when a metal object comes close to a high-frequency magnetic field emitted from a detection coil connected to an oscillation circuit, an induced current flows in the metal due to an electromagnetic induction phenomenon, and heat loss occurs in the metal. Since the oscillation of the oscillation circuit is attenuated or stopped due to the occurrence of this heat loss, the detection of this attenuation or stop is used.

本発明の扉閉鎖構造とそれを用いた扉は、前記実施例の構成に限らず、適宜変更可能である。たとえば、前記実施例では、ラッチ機構２１にフリーザハンドルを用いたが、各種ドアにおけるドアノブやハンドルおよびラッチ構造を適用可能である。また、前記センサ３５としては、光電センサやリミットスイッチなどを用いてもよいし、また扉３またはラッチ錠２５の側へ設けてもよい。さらに、発光素子と受光素子とを、ラッチ錠２５と受け具２２とに分けて設けてもよい。   The door closing structure of the present invention and the door using the door closing structure are not limited to the configuration of the above embodiment, and can be changed as appropriate. For example, although the freezer handle is used for the latch mechanism 21 in the above-described embodiment, door knobs, handles, and latch structures for various doors can be applied. The sensor 35 may be a photoelectric sensor, a limit switch, or the like, or may be provided on the door 3 or the latch lock 25 side. Further, the light emitting element and the light receiving element may be provided separately in the latch lock 25 and the receiving tool 22.

本発明の扉閉鎖構造が適用された密閉容器の一実施例を示す概略説明図であり、正面側から見た状態を示し、一部を断面にして示している。BRIEF DESCRIPTION OF THE DRAWINGS It is a schematic explanatory drawing which shows one Example of the airtight container to which the door closing structure of this invention was applied, the state seen from the front side is shown and it has shown one part in cross section. 図１の扉閉鎖構造の戸先側を拡大して示す概略斜視図であり、扉のスイング閉状態を示している。It is a schematic perspective view which expands and shows the door end side of the door closing structure of FIG. 1, and has shown the swing closed state of the door. 図１の扉閉鎖構造の戸先側を拡大して示す概略斜視図であり、扉のスライド中の状態を示している。It is a schematic perspective view which expands and shows the door end side of the door closing structure of FIG. 1, and has shown the state in which the door is sliding. 図１の扉閉鎖構造の戸先側を拡大して示す概略斜視図であり、扉のスライド完了状態を示している。It is a schematic perspective view which expands and shows the door end side of the door closing structure of FIG. 1, and has shown the sliding completion state of the door. 従来のクラッチ式ロック機構の扉閉鎖構造を示す概略横断面図である。It is a schematic cross-sectional view which shows the door closing structure of the conventional clutch type locking mechanism. 図５の従来の扉閉鎖構造の正面視概略説明図である。It is a front view schematic explanatory drawing of the conventional door closing structure of FIG.

符号の説明Explanation of symbols

１ 密閉容器
２ 容器本体
３ 扉
４ 開口部
５ ヒンジ
１０ シリンダ機構
１５ 第一爪（第一凸部）
１６ 第一凹溝
１７ 扉収容部
１８ 開口端面（戸当り面）
１９ 第二爪（第二凸部）
２０ 第二凹溝
２１ ラッチ機構
２２ 受け具
２３ ラッチ本体
２４ 操作部（ハンドル）
３１ ストッパー
３２ ストッパー内面
３３ パッキン
３５ センサ DESCRIPTION OF SYMBOLS 1 Airtight container 2 Container main body 3 Door 4 Opening part 5 Hinge 10 Cylinder mechanism 15 1st nail | claw (1st convex part)
16 1st ditch | groove 17 Door accommodating part 18 Opening end surface (door contact surface)
19 Second nail (second convex part)
20 Second concave groove 21 Latch mechanism 22 Receiving member 23 Latch body 24 Operation part (handle)
31 Stopper 32 Inner surface of stopper 33 Packing 35 Sensor

Claims (6)

容器本体の開口部に扉が開閉可能に設けられ、前記扉に設けた第一爪を、前記容器本体に設けた第二爪間の溝に通した後、前記第二爪と対面する位置までスライドさせた状態で、前記第二爪へ押し付けて閉鎖する扉閉鎖部の構造であって、
前記第二爪間の溝に前記第一爪を通して前記扉を閉めた際、前記容器本体に前記扉を係止するラッチ機構を備え、
このラッチ機構は、前記容器本体に設けられる受け具と、前記扉に設けられ前記受け具に係止可能なラッチ本体とを備え、
前記スライドにより前記第一爪と前記第二爪とが対面する位置において、前記受け具は前記ラッチ本体と係止不能な形状に形成されている
ことを特徴とする扉閉鎖構造。 A door is provided at the opening of the container body so that the door can be opened and closed, and after passing the first claw provided on the door through the groove between the second claw provided on the container body, the position facing the second claw In the state of sliding, it is a structure of a door closing portion that is pressed against the second claw and closed,
A latch mechanism for locking the door to the container body when the door is closed through the first claw in the groove between the second claws;
The latch mechanism includes a receptacle provided on the container body, and a latch body provided on the door and engageable with the receptacle.
The door closing structure characterized in that, at the position where the first claw and the second claw face each other by the slide, the receiving member is formed in a shape that cannot be locked with the latch body. 前記ラッチ本体は、前記扉に設けられた操作部の操作により、前記受け具と係脱可能に構成され、
前記第二爪間の溝の所定位置に前記第一爪が通された状態では、前記受け具への前記ラッチ本体の係止と、前記操作部の操作によるその係止の解除が可能とされ、
前記第一爪が前記第二爪間の溝の前記所定位置から前記第二爪と重なる位置まで、前記操作部を操作しても前記受け具からの前記ラッチ本体の係止が解除不能とされた
ことを特徴とする請求項１に記載の扉閉鎖構造。 The latch body is configured to be detachable from the receiver by operation of an operation unit provided on the door.
In a state where the first claw is passed through a predetermined position of the groove between the second claws, the latch body can be locked to the receiver and the lock can be released by operating the operation portion. ,
Even if the operation portion is operated from the predetermined position of the groove between the second claws to the position where the first claws overlap the second claws, the latch body cannot be unlocked from the receptacle. The door closing structure according to claim 1, wherein: 前記扉は、前記容器本体の一側端部まわりに回動可能に設けられており、
前記扉の左右両端部に、略矩形板状の前記第一爪が上下に等間隔に複数形成されており、
前記容器本体の開口部の左右両端部に、略矩形板状の前記第二爪が上下に等間隔に複数形成されており、
前記第二爪間の溝の前記所定位置と対応した高さ位置に前記第一爪が配置されると共に、前記受け具と対応した高さ位置に前記ラッチ本体が配置されて、前記扉は回動可能とされており、
前記第一爪が前記第二爪間の溝の前記所定位置から前記第二爪と一部で重なる位置まで、前記ラッチ本体の係止を解除不能にするストッパーが前記受け具に設けられており、
前記第一爪と前記第二爪とが対面する位置まで前記扉がスライドした状態では、前記ラッチ本体と対応する高さ位置には前記ストッパー付きの前記受け具が設けられていない
ことを特徴とする請求項２に記載の扉閉鎖構造。 The door is provided to be rotatable around one end of the container body,
The left and right ends of the door have a plurality of substantially rectangular plate-like first claws formed at equal intervals up and down,
The left and right ends of the opening of the container body are formed with a plurality of substantially rectangular plate-like second claws at equal intervals up and down,
The first claw is disposed at a height position corresponding to the predetermined position of the groove between the second claws, the latch main body is disposed at a height position corresponding to the receiver, and the door is rotated. It is possible to move,
A stopper is provided on the receiving device for preventing the latch body from being unlocked from the predetermined position of the groove between the second claws to a position partially overlapping with the second claws. ,
In the state where the door slides to a position where the first claw and the second claw face each other, the stopper with the stopper is not provided at a height position corresponding to the latch body. The door closing structure according to claim 2. 前記ストッパーは、前記容器本体側の内面が、下方へ行くに従って外側へ傾斜して形成されている
ことを特徴とする請求項３に記載の扉閉鎖構造。 The door closing structure according to claim 3, wherein the stopper is formed such that an inner surface of the container main body side is inclined outward as it goes downward. 前記受け具または前記ストッパーと前記ラッチ本体との係止の有無を検知するセンサを更に備え、
前記第一爪が前記第二爪間の溝の前記所定位置からずれても、前記第二爪間の溝と対応した高さ位置に配置されている間は、前記ストッパーにより前記容器本体への前記扉の係止が解除不能とされている
ことを特徴とする請求項３または請求項４に記載の扉閉鎖構造。 A sensor for detecting the presence or absence of locking between the receptacle or the stopper and the latch body;
Even if the first claw is displaced from the predetermined position of the groove between the second claws, the stopper is attached to the container main body while the first claw is disposed at a height position corresponding to the groove between the second claws. The door closing structure according to claim 3 or 4, wherein locking of the door cannot be released. 前記扉閉鎖構造により扉が容器本体に設けられてなり、
前記第一爪の前記第二爪への押付けは、前記容器本体の開口部に沿って連続的に設けられたパッキンを介してなされる
ことを特徴とする請求項１〜５のいずれか１項に記載の扉閉鎖構造を用いた密閉容器。 The door is provided in the container body by the door closing structure,
The pressing of the first claw to the second claw is performed via a packing provided continuously along the opening of the container body. A sealed container using the door closing structure described in 1.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101951159B1 (en) * 2018-12-10 2019-02-21 이상환 Sterlization apparatus

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JPS5647955U (en) * 1979-08-15 1981-04-28
JPS583337U (en) * 1981-06-30 1983-01-10 日本車輌製造株式会社 Opening/closing device for opening/closing lids on vehicles transporting feed, etc.
JPS585460U (en) * 1981-07-02 1983-01-13 理研軽金属工業株式会社 Hanging wall for smoke prevention or smoke exhaust
JPS63210462A (en) * 1986-11-25 1988-09-01 アメリカン・ステリライザー・カンパニー Fixing device for door
JPS6414958U (en) * 1987-07-20 1989-01-25
JPH11342963A (en) * 1998-05-29 1999-12-14 Miura Co Ltd Hermetically closable container

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JPS5647955U (en) * 1979-08-15 1981-04-28
JPS583337U (en) * 1981-06-30 1983-01-10 日本車輌製造株式会社 Opening/closing device for opening/closing lids on vehicles transporting feed, etc.
JPS585460U (en) * 1981-07-02 1983-01-13 理研軽金属工業株式会社 Hanging wall for smoke prevention or smoke exhaust
JPS63210462A (en) * 1986-11-25 1988-09-01 アメリカン・ステリライザー・カンパニー Fixing device for door
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