JPH07102852A - Airtight door - Google Patents
Airtight doorInfo
- Publication number
- JPH07102852A JPH07102852A JP5253340A JP25334093A JPH07102852A JP H07102852 A JPH07102852 A JP H07102852A JP 5253340 A JP5253340 A JP 5253340A JP 25334093 A JP25334093 A JP 25334093A JP H07102852 A JPH07102852 A JP H07102852A
- Authority
- JP
- Japan
- Prior art keywords
- tightening
- door
- door body
- opening
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 claims description 23
- 238000007789 sealing Methods 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 9
- 238000010276 construction Methods 0.000 abstract 2
- 230000002093 peripheral effect Effects 0.000 description 14
- 230000007246 mechanism Effects 0.000 description 12
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000012856 packing Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- -1 precision equipment Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Power-Operated Mechanisms For Wings (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、気密扉に関し、とくに
単一方向の駆動力のみによって扉の開閉と扉の開口枠体
への締付とを行う気密扉に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an airtight door, and more particularly to an airtight door that opens and closes a door and tightens the door to an opening frame by only driving force in a single direction.
【０００２】[0002]
【従来の技術】図３を参照するに生産技術の高度化に伴
い、製薬、精密機器、半導体素子、生物工学、原子力等
の分野で、加圧又は減圧された調圧室150が用いられ
る。この調圧室150に人員その他が出入りする際に、外
気空間151と調圧室150内部との相互作用を防止するた
め、外気に面する気密扉３と調圧室150に面する気密扉
３とを有する気密室152が用いられる。各気密扉３は、
開口周囲壁７で囲まれた開口を気密に密封することが求
められる。2. Description of the Related Art As shown in FIG. 3, a pressure adjusting chamber 150 which is pressurized or depressurized is used in the fields of pharmaceuticals, precision equipment, semiconductor devices, biotechnology, nuclear power, etc. with the advancement of production technology. In order to prevent interaction between the outside air space 151 and the inside of the pressure adjusting chamber 150 when a person or the like goes in and out of the pressure adjusting chamber 150, the airtight door 3 facing the outside air and the airtight door 3 facing the pressure adjusting chamber 150 are prevented. An airtight chamber 152 having a and is used. Each airtight door 3
It is required to hermetically seal the opening surrounded by the opening peripheral wall 7.
【０００３】図17に従来構造の気密室扉101を示す。掛
金装置105が掛金受け105aと共働して気密室扉101を閉鎖
位置に保持する。操作ハンドル106は、電磁継手CLが付
勢されている時に、掛金装置105と一体の連結板107に結
合され、その回転により掛金装置105を掛金受け105aに
対し、前進・後退させる。掛金受け105aは、気密室扉10
1が閉鎖されている時にオンとなるリミットスイッチDS
を有する。掛金装置105が掛金受け105aから外されてい
るときは、操作者（図示せず）が引き手109を握って気
密室扉101をヒンジ110の回りに回転させて開閉すること
ができる。FIG. 17 shows an airtight chamber door 101 having a conventional structure. The latch device 105 cooperates with the latch receiver 105a to hold the airtight chamber door 101 in the closed position. When the electromagnetic coupling CL is biased, the operation handle 106 is coupled to the connecting plate 107 that is integral with the latch device 105, and the rotation thereof causes the latch device 105 to move forward and backward with respect to the latch receiver 105a. The latch 105a is provided with the airtight chamber door 10
Limit switch DS that turns on when 1 is closed
Have. When the latch device 105 is removed from the latch receiver 105a, an operator (not shown) can hold the pull tab 109 to rotate the airtight chamber door 101 around the hinge 110 to open and close it.
【０００４】図示例の制御盤103は電磁継手CLの電源及
び他の気密室扉101とのインターロック回路の電源制御
回路であり、鍵穴103aによって操作者が鍵により開閉及
び回路の操作をすることができる。表示灯104は、青ラ
ンプGL1ないしGL3及び赤ランプRL1ないしRL3によりイン
ターロックの状態を示す。PDSは、この場合気密室扉101
の直前における操作者等を熱線により検知する熱線スイ
ッチを示す。The control board 103 in the illustrated example is a power supply control circuit for the power supply of the electromagnetic coupling CL and the interlock circuit with the other airtight chamber door 101, and the operator operates the keyhole 103a to open and close the circuit and operate the circuit. You can The indicator lamp 104 indicates the interlock state by the blue lamps GL1 to GL3 and the red lamps RL1 to RL3. In this case, the PDS is the airtight door 101.
The hot-wire switch for detecting the operator or the like immediately before is detected by the hot-wire.
【０００５】[0005]
【発明が解決しようとする課題】図17に例示される従来
の気密室扉101は、インターロックを確実にするため、
電磁継手CLの操作、操作ハンドル106の回転、引き手109
による気密室扉101自体の開閉等の異なる種類の多段動
作を必要とする。このため、操作が複雑になり開閉に時
間を要する欠点が避けられない。The conventional airtight chamber door 101 illustrated in FIG. 17 is provided in order to ensure the interlock.
Operation of electromagnetic coupling CL, rotation of operation handle 106, puller 109
Requires different kinds of multi-stage operations such as opening and closing of the airtight chamber door 101 itself. For this reason, there is an unavoidable drawback that the operation becomes complicated and it takes time to open and close.
【０００６】従って、本発明の目的は、単一方向の駆動
力によって開閉及び密封の両動作を行うことができる気
密扉を提供するにある。Therefore, it is an object of the present invention to provide an airtight door which can be opened and closed and sealed by a unidirectional driving force.
【０００７】[0007]
【課題を解決するための手段】図１の実施例を参照する
に、本発明による気密扉は、枠体１（図2(A)）に囲まれ
た開口を開放する全開位置（図1(A)の一点鎖線位置）と
前記開口を閉鎖する全閉位置（実線位置）との間に開閉
方向に移動可能な扉本体３；前記全開位置側から全閉位
置へ向う前記扉本体の閉扉向き移動を前記全閉位置まで
に制限するストッパー25；前記扉本体に載置された伝動
手段（13A、13B）；前記伝動手段を前記開閉方向に駆動
する駆動手段14；及び前記全閉位置にある前記扉本体の
伝動手段に前記駆動手段から閉扉向きに加えられる力に
応じて前記扉本体の前記開口の枠体への締付をし、且つ
前記開口の枠体への締付位置にある前記扉本体の伝動手
段に前記駆動手段から前記閉扉向きと逆の向きに加えら
れる力に応じて前記扉本体を前記開口の枠体への締付か
ら解除する密封手段（10、11、12）を備えてなるもので
ある。With reference to the embodiment shown in FIG. 1, an airtight door according to the present invention has a fully open position (FIG. 1 () in which an opening surrounded by a frame 1 (FIG. 2 (A)) is opened. Door body 3 movable in the opening / closing direction between the position (A) indicated by the one-dot chain line) and the fully closed position (solid line position) that closes the opening; orientation of the door body that is closed from the fully open position side to the fully closed position A stopper 25 for restricting movement to the fully closed position; transmission means (13A, 13B) mounted on the door body; drive means 14 for driving the transmission means in the opening / closing direction; and the fully closed position The door body is fastened to the frame body of the opening according to the force applied from the drive means to the transmission means of the door body in the closing direction, and the opening body is in the fastening position to the frame body. According to the force applied to the transmission means of the door body from the drive means in the direction opposite to the closing direction, the door book The is made provided with a sealing means (10, 11, 12) for releasing the fastening to the frame of the opening.
【０００８】好ましくは、駆動手段14を、駆動輪20Aに
より駆動されるチェーンとする。図１、図１の矢印IX−
IX方向の側面図である図９、及び図９の矢印XI−XI方向
の側面図である図11に示すように、さらに好ましくは伝
動手段に、扉本体３上へ扉本体３に対する一定範囲の前
記開閉方向相対移動可能に取付けた下スライド板13B
と、下スライド板13B上へ下スライド板13Bに対する一定
範囲の前記扉本体締付方向相対移動可能に取付け且つ前
記駆動手段14に結合した上スライド板13Aとを設ける。Preferably, the drive means 14 is a chain driven by the drive wheels 20A. 1 and arrow IX- in FIG.
As shown in FIG. 9 which is a side view in the IX direction and FIG. 11 which is a side view in the direction of the arrow XI-XI in FIG. Lower slide plate 13B mounted so as to be relatively movable in the opening / closing direction
And an upper slide plate 13A mounted on the lower slide plate 13B so as to be movable relative to the lower slide plate 13B in a certain range of the door body tightening direction and coupled to the drive means 14.
【０００９】図１、及び図１の矢印VII−VII方向の側面
図である図７に示すように、なお好ましくは密封手段
に、扉本体３の前記開閉方向に平行な対向端面の間に枢
支され且つ前記対向端面より突出する端部を有する締付
軸12、締付軸12の端面に前記締付軸12の中心軸線から偏
心させて取付けた締付ローラ11、前記開口の枠体１に前
記開閉方向に固定され且つ締付ローラ11を摺動自在に受
入れる案内溝６、及び前記全閉位置にある扉本体３の伝
動手段（13A、13B）に駆動手段14から前記閉扉向きに又
は前記閉扉向きと逆向きに加えられる力に応じて前記締
付軸12を回転させる回転手段を前記密封手段に設ける。
図1(B)に示す回転手段は、締付軸12に固定し且つ下スラ
イド板13Bに枢着した回転アーム30を有し、扉本体３に
対するスライド板13Bの前記閉扉向き相対移動に応じて
回転アーム30を介し締付軸12を締付向きに回転させて扉
本体３の開口枠体１への締付をし、扉本体３に対する下
スライド板13Bの前記閉扉向きと逆向きの相対移動に応
じて回転アーム30を介し締付軸12を締付向きと逆向きに
回転させて扉本体３の締付を解除する。As shown in FIG. 1 and in FIG. 7 which is a side view in the direction of arrows VII-VII in FIG. 1, it is more preferable that the sealing means is pivotally arranged between the opposed end faces of the door body 3 parallel to the opening / closing direction. A tightening shaft 12 that is supported and has an end portion that protrudes from the facing end surface, a tightening roller 11 that is attached to the end surface of the tightening shaft 12 so as to be eccentric from the central axis of the tightening shaft 12, and the frame body 1 for the opening. To the guide groove 6 fixed in the opening / closing direction and slidably receiving the tightening roller 11, and the transmission means (13A, 13B) of the door body 3 in the fully closed position from the drive means 14 toward the closed door or The sealing means is provided with a rotating means for rotating the tightening shaft 12 according to a force applied in the direction opposite to the direction of closing the door.
The rotating means shown in FIG. 1 (B) has a rotating arm 30 fixed to the tightening shaft 12 and pivotally attached to the lower slide plate 13B, and according to the relative movement of the slide plate 13B with respect to the door body 3 toward the closing door. The tightening shaft 12 is rotated in the tightening direction via the rotating arm 30 to tighten the door body 3 to the opening frame body 1, and the lower slide plate 13B relative to the door body 3 moves in the opposite direction to the closing direction. Accordingly, the tightening shaft 12 is rotated in the direction opposite to the tightening direction via the rotating arm 30 to release the tightening of the door body 3.
【００１０】図１、及び図１の矢印X−X方向の側面図で
ある図10に示すように、扉本体３の移動を円滑にするた
め好ましくは、前記開口枠体１の扉本体３の上端と対向
する部位に前記開閉方向に延びる走行レール８を固定
し、走行レール８と走行自在に係合するハンガー金具９
を扉本体３の頂面に取付け、ハンガー金具９を介して扉
本体３を走行レール８から摺動自在に吊下げる。As shown in FIG. 1 and FIG. 10 which is a side view in the direction of arrow XX in FIG. 1, in order to make the movement of the door main body 3 smooth, it is preferable that the door main body 3 of the opening frame 1 is provided. A hanger fitting 9 that fixes the traveling rail 8 extending in the opening / closing direction to a portion facing the upper end and engages with the traveling rail 8 in a freely movable manner.
Is attached to the top surface of the door body 3, and the door body 3 is slidably suspended from the traveling rail 8 via the hanger fitting 9.
【００１１】[0011]
【作用】図５は図１の実施例の扉本体３の開閉及び密封
動作を図式的に示す。扉本体３が図5(A)の全開位置にあ
る場合に、駆動手段14から閉扉向きの力が伝動手段の上
スライド板13Aに加えられると、上スライド板13Aは下ス
ライド板13B上で扉本体３の開閉方向に移動できないの
で、閉扉向きの力が下スライド板13Bを介して締付軸12
及び扉本体３へ伝えられる。締付軸12の回転には比較的
大きな抵抗が働くが、全開位置にある扉本体３は、ハン
ガー金具９による走行レール８からの吊下げのため容易
に閉扉向きに移動することができるので、この閉扉向き
の力に応じて扉本体３は図5(B)の全閉位置に移動する。
なお好ましくは、締付軸12に弾性的な位置決め力を常時
作用させ、図5(A)の位置において扉本体３の移動が確実
に締付軸12の回転に優先するようにする。FIG. 5 schematically shows opening / closing and sealing operations of the door body 3 of the embodiment shown in FIG. When the door body 3 is at the fully open position in FIG. 5 (A) and a force toward the closing door is applied from the driving means 14 to the upper slide plate 13A of the transmission means, the upper slide plate 13A is placed on the lower slide plate 13B. Since the main body 3 cannot move in the opening / closing direction, the force for closing the door is applied to the tightening shaft 12 via the lower slide plate 13B.
And to the door body 3. Although a relatively large resistance acts on the rotation of the tightening shaft 12, the door body 3 in the fully open position can be easily moved toward the closed door because it is hung from the traveling rail 8 by the hanger fitting 9. The door body 3 moves to the fully closed position shown in FIG. 5 (B) according to the closing force.
It is preferable that an elastic positioning force be constantly applied to the tightening shaft 12 so that the movement of the door body 3 at the position of FIG.
【００１２】図5(B)の全閉位置では扉本体３がストッパ
ー25に当接しているので、たとえ閉扉向きの力が下スラ
イド板13Bを介して扉本体３へ伝達されても扉本体３は
移動することができず、下スライド板13Bが扉本体３に
対して相対的に移動する。図5(C)は扉本体３に固定した
閉側スライドリミッタ13Dに対して下スライド板13Bが移
動していることを示す。Since the door body 3 is in contact with the stopper 25 at the fully closed position in FIG. 5B, even if the force toward the door is transmitted to the door body 3 through the lower slide plate 13B, the door body 3 is closed. Cannot move, and the lower slide plate 13B moves relatively to the door body 3. FIG. 5 (C) shows that the lower slide plate 13B is moving with respect to the closing side slide limiter 13D fixed to the door body 3.
【００１３】図4(A)は、扉本体３が図5(A)の全開位置か
ら図5(B)の全閉位置へ達した直後における下スライド板
13Bと締付軸12との関係を示す。図4(A)及び図4(B)にお
いて、説明の便宜上回転アーム30を扉本体３から離して
示すが、現実には回転アーム30と締付軸12の回転中心軸
線Ｚは一致する。図中Z1及びZ2は、扉本体３の左右の端
部に設けた２本の締付軸12の回転中心軸を区別して示す
ものである。図６に示すように下スライド板13Bに一端
が枢着された連結ロッド32の他端が回転アーム30へピン
31により回転自在に係止される。FIG. 4A shows a lower slide plate immediately after the door body 3 reaches the fully closed position of FIG. 5B from the fully open position of FIG. 5A.
The relationship between 13B and the tightening shaft 12 is shown. 4A and 4B, the rotary arm 30 is shown separated from the door body 3 for convenience of explanation, but in reality, the rotary arm 30 and the rotation center axis Z of the tightening shaft 12 coincide with each other. In the figure, Z1 and Z2 indicate the center axes of rotation of the two tightening shafts 12 provided at the left and right ends of the door body 3 separately. As shown in FIG. 6, one end of the connecting rod 32 whose one end is pivotally attached to the lower slide plate 13B is pinned to the rotary arm 30.
It is locked rotatably by 31.
【００１４】図4(B)は、扉本体３を図5(B)の全閉位置に
留めたまま、下スライド板13Bを扉本体３に対して閉扉
向きに移動した後の締付軸12の角度位置を示し、図4(C)
は図4(B)の位置における下スライド板13Bと上スライド
板13Aとの位置関係を示す。下スライド板13Bのこの移動
は、回転アーム30及び締付軸12を締付軸12の中心軸線Ｚ
の回りに回転させる。このとき、扉本体３はストッパー
25（図５）によって全閉位置に保持され、しかも締付軸
12の端面に偏心させて取付けた締付ローラ11が開口枠体
１に固定の案内溝６に嵌入しているので、締付軸12の中
心軸線Ｚの回りの回転は、中心軸線Ｚに対する締付ロー
ラ11の角度位置の移動及び案合溝６に対する中心軸線Ｚ
の移動をもたらす。即ち、図4(A)で締付ローラ11の左上
にあった中心軸線Ｚが図4(B)では締付ローラの真上にあ
る。FIG. 4B shows the tightening shaft 12 after the lower slide plate 13B is moved toward the door with respect to the door body 3 while the door body 3 is kept at the fully closed position shown in FIG. 5B. Figure 4 (C) shows the angular position of
Shows the positional relationship between the lower slide plate 13B and the upper slide plate 13A at the position of FIG. 4 (B). This movement of the lower slide plate 13B causes the rotary arm 30 and the tightening shaft 12 to move along the central axis Z of the tightening shaft 12.
Rotate around. At this time, the door body 3 is a stopper
25 (Fig. 5) is held in the fully closed position and the tightening shaft
Since the tightening roller 11 eccentrically attached to the end face of 12 is fitted in the guide groove 6 fixed to the opening frame body 1, the rotation of the tightening shaft 12 about the central axis Z is restricted to the central axis Z. Movement of the angular position of the attached roller 11 and the central axis Z with respect to the matching groove 6
Bring the move of. That is, the central axis Z, which was located at the upper left of the tightening roller 11 in FIG. 4 (A), is directly above the tightening roller in FIG. 4 (B).
【００１５】図2(B)は、締付軸12が図4(A)の位置から図
4(B)の位置へ回転した時の案合溝６に対する中心軸線Ｚ
の移動を示す。図4(A)の位置では締付軸12の中心軸線が
Ｚaにあり締付ローラが11aにあり、図4(B)の位置では締
付軸12の中心軸線がＺbにあり締付ローラが11bにある。
扉本体３の移動がストッパー25によって制限されており
且つ締付ローラ11の移動は案内溝６内に制限されている
ので、締付軸12の図4(A)の位置から図4(B)の位置への回
転は、図2(B)に示すように案内溝６と直角方向の中心軸
線Ｚの移動を生じ、図2(B)の場合その大きさはΔyとし
て示される。図７から理解されるように、案内溝６から
離れる向きの締付軸12の中心軸線Ｚの移動は、締付軸12
及び扉本体３の開口枠体１への締付方向への移動を招来
する。図4(B)は、扉本体３が図4(A)の位置に比して開口
周囲壁７即ち枠体１の方向へ締付られたことを示し、図
4(D)はこの締付時にも下スライド板13Bは全開位置から
全閉位置への方向即ち開閉方向に移動していることを示
す。FIG. 2 (B) shows the tightening shaft 12 from the position of FIG. 4 (A).
Center axis Z to the matching groove 6 when rotated to the 4 (B) position
Shows the movement of. At the position of FIG. 4 (A), the center axis of the tightening shaft 12 is at Za and the tightening roller is at 11a, and at the position of FIG. 4 (B), the center axis of the tightening shaft 12 is at Zb and the tightening roller is Located at 11b.
Since the movement of the door body 3 is restricted by the stopper 25 and the movement of the tightening roller 11 is restricted in the guide groove 6, the tightening shaft 12 is moved from the position shown in FIG. 4 (A) to the position shown in FIG. 4 (B). The rotation to the position of (1) causes the movement of the central axis Z in the direction perpendicular to the guide groove 6 as shown in FIG. 2 (B), and the magnitude thereof is shown as Δy in FIG. 2 (B). As understood from FIG. 7, the movement of the central axis Z of the tightening shaft 12 in the direction away from the guide groove 6 is
In addition, the door body 3 is moved toward the opening frame 1 in the tightening direction. FIG. 4 (B) shows that the door body 3 is tightened in the direction of the opening peripheral wall 7, that is, the frame body 1 compared to the position of FIG. 4 (A).
4D shows that the lower slide plate 13B is moving in the direction from the fully open position to the fully closed position, that is, the opening / closing direction even during this tightening.
【００１６】よって、単一の開閉方向における駆動装置
14からの駆動力により扉本体３の全開位置から全閉位置
への移動及び締付方向の移動の両者を駆動することがで
きる。Thus, the drive device in a single opening / closing direction
Both the movement of the door body 3 from the fully opened position to the fully closed position and the movement in the tightening direction can be driven by the driving force from 14.
【００１７】図4(B)及び図5(C)の締付位置にある扉本体
３上の伝動装置の上スライド板13Aに駆動手段14から閉
扉向きと逆向きの駆動力が加えられると、この逆向きの
駆動力は下スライド板13Aを介して締付軸12及び扉本体
３へ伝達される。適当な優先手段、例えば以下に説明す
る図12の開口周囲壁７に固定の受け金具70と扉本体３上
に摺動自在のスライドロック板50との組合わせにより、
締付軸12による扉本体３の締付が解除されるまでは、締
付の解除を扉本体３の全開位置向け移動に優先させるこ
とができる。締付の解除は、扉本体３に対する下スライ
ド板13Aの相対的運動によって、締付軸12を締付解除向
きに回転させて行う。即ち、まず締付軸12の角度位置及
び開口周囲壁７に対する扉本体３の相対位置を、図4(B)
の位置から図4(A)の位置へ戻す。その後、駆動手段14か
ら閉扉向きと逆向きの駆動力が引続き加えられると扉本
体３は図5(B)の全閉位置から図5(A)の全開位置へ向けて
戻る。When a driving force in the opposite direction to the closing door is applied from the driving means 14 to the upper slide plate 13A of the transmission on the door body 3 at the tightening position shown in FIGS. 4 (B) and 5 (C), This reverse driving force is transmitted to the tightening shaft 12 and the door body 3 via the lower slide plate 13A. By a suitable priority means, for example, a combination of a receiving metal fitting 70 fixed to the opening peripheral wall 7 of FIG. 12 and a slide lock plate 50 slidable on the door body 3 described below,
Until the fastening of the door body 3 by the fastening shaft 12 is released, the release of the fastening can be prioritized over the movement of the door body 3 toward the fully open position. The tightening is released by rotating the tightening shaft 12 in the tightening releasing direction by the relative movement of the lower slide plate 13A with respect to the door body 3. That is, first, the angular position of the tightening shaft 12 and the relative position of the door body 3 to the opening surrounding wall 7 are shown in FIG.
Return from the position of to the position of Fig. 4 (A). Thereafter, when the driving force in the direction opposite to the closing direction is continuously applied from the driving means 14, the door body 3 returns from the fully closed position of FIG. 5 (B) to the fully opened position of FIG. 5 (A).
【００１８】この場合にも、単一の開閉方向における駆
動装置14からの駆動力により扉本体３の締付解除方向の
移動及び全閉位置から全開位置への移動の両者を駆動す
ることができる。Also in this case, it is possible to drive both the movement of the door body 3 in the fastening release direction and the movement from the fully closed position to the fully opened position by the driving force from the drive device 14 in the single opening / closing direction. .
【００１９】以上により、気密扉３の全開位置から全閉
・密封位置への閉扉動作及び全閉・密封位置から全開位
置への開扉動作の１サイクルを完了する。この閉扉動作
及び開扉動作の全体にわたり、単一の開閉方向における
駆動力により扉本体３の開閉方向の移動及び締付方向の
移動の両者を駆動している。As described above, one cycle of the closing operation of the airtight door 3 from the fully open position to the fully closed / sealed position and the opening operation from the fully closed / sealed position to the fully open position is completed. Throughout the entire door closing operation and door opening operation, both the movement in the opening / closing direction and the movement in the tightening direction of the door body 3 are driven by a single driving force in the opening / closing direction.
【００２０】こうして、本発明の目的である「単一方向
の駆動力によって開閉及び密封の両動作を行うことがで
きる気密扉」の提供を達成することができる。Thus, it is possible to achieve the provision of the "airtight door capable of performing both opening and closing and sealing operations by a driving force in a single direction" which is the object of the present invention.
【００２１】[0021]
【実施例】図１の実施例は、扉の反対側を観察するため
の本発明外の覗き窓４を有する。図示例の扉本体３は、
さらに扉本体１の左右の端部にそれぞれ１本づつの締付
軸12を持ち、各締付軸12の上下両端に締付ローラ11を設
け扉本体３の開口周囲壁７への締付と密封の確実化を図
っている。図１の矢印VII−VII方向から見た図７は、締
付軸12の上端に拡径した締付金具10があり、その締付金
具10の端面上に締付ローラ11が形成されており、この締
付ローラが案内溝６に摺動自在に嵌入している状態を示
す。図中1Aは、開口枠体１に固定された側壁固定部材で
あり、開口枠体１及び側壁固定部材1Aに、扉本体３の開
閉移動方向に沿って長いブラケット90を一体的に強固に
固定し、このブラケット90上の締付軸12に対向する部位
に溝形成部材90A、90Bを溶接等により取付けることによ
り案内溝６を形成している。締付軸12の円滑な回転を図
るため、扉本体３の頂部に設けた頂部軸受装置33により
締付軸12の上端部分を枢支している。また、扉本体３と
開口周囲壁７即ち開口枠体１との間の気密な密封を確立
するため、扉本体３の周縁と対向する開口枠体１上の部
位に気密パッキン26を取付け、扉本体３の周縁に形成し
た突条部をこの気密パッキン26に締め付けている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT The embodiment of FIG. 1 has a viewing window 4 outside the invention for viewing the opposite side of the door. The door body 3 in the illustrated example is
Further, each of the left and right ends of the door main body 1 has one tightening shaft 12, and tightening rollers 11 are provided at the upper and lower ends of each tightening shaft 12 to tighten the door main body 3 to the opening peripheral wall 7. We are trying to ensure sealing. In FIG. 7 viewed from the direction of arrow VII-VII in FIG. 1, there is a tightening metal fitting 10 having an enlarged diameter at the upper end of the tightening shaft 12, and the tightening roller 11 is formed on the end surface of the tightening metal fitting 10. , Shows a state in which the tightening roller is slidably fitted in the guide groove 6. In the figure, 1A is a side wall fixing member fixed to the opening frame 1, and a long bracket 90 is integrally and firmly fixed to the opening frame 1 and the side wall fixing member 1A along the opening / closing movement direction of the door body 3. The guide groove 6 is formed by attaching the groove forming members 90A and 90B to the portion of the bracket 90 facing the tightening shaft 12 by welding or the like. In order to achieve smooth rotation of the tightening shaft 12, a top bearing device 33 provided at the top of the door body 3 pivotally supports the upper end portion of the tightening shaft 12. Further, in order to establish an airtight seal between the door body 3 and the opening peripheral wall 7, that is, the opening frame body 1, an airtight packing 26 is attached to a portion on the opening frame body 1 facing the peripheral edge of the door body 3, A ridge formed on the peripheral edge of the main body 3 is fastened to the airtight packing 26.
【００２２】図１の矢印VIII−VIII方向から見た図８の
側面図は、締付軸12の下端に設けた締付ローラ11と沓ず
り２に隣接して設けた締付ローラ11用の案内溝６を示
す。この場合、各締付軸12は、その上下両端に案内溝６
へ嵌入した締付ローラ11を有するので、扉本体３の姿勢
を垂直に維持したまま開口周囲壁７へ締め付けることが
できる。The side view of FIG. 8 as seen from the direction of arrows VIII-VIII in FIG. 1 shows a tightening roller 11 provided at the lower end of the tightening shaft 12 and a tightening roller 11 provided adjacent to the drag roller 2. The guide groove 6 is shown. In this case, each tightening shaft 12 has a guide groove 6 at its upper and lower ends.
Since the fastening roller 11 is fitted in the door body 3, the door body 3 can be fastened to the opening surrounding wall 7 while keeping the posture thereof vertical.
【００２３】図示例の扉本体３は、図１の矢印Ｘ−Ｘ方
向から見た図10に示す構造のハンガー金具９により走行
自在に吊下げられる。図７に関して説明したブラケット
90の頂面に扉本体３の開閉方向の移動を導く走行レール
８を固定し、ハンガー金具９を直接に又は摩擦の少ない
スライダー部材91を介して走行レール８から吊下げる。
図示例のハンガー部材９の下端には、軸保持部材92A、9
2Bによって締付方向軸93が保持され、扉本体３の頂面に
例えばボルト94Aで固定した吊下げ部材94をこの締付方
向軸93によって締付方向に移動自在に吊下げる。吊下げ
部材94と締付方向軸93との間には軸受95を設けてもよ
い。図中、記号93Aは締付方向軸93を軸保持部材92A、92
Bに係止する止めピンである。さらに図10は、締付軸12
に固定した回転アーム30を下スライド板13Bに結合する
連結ロッド32（図1B及び図６参照）の位置を、ハンガー
金具９に対する相対位置として示す。The door body 3 in the illustrated example is movably suspended by a hanger fitting 9 having a structure shown in FIG. 10 as seen from the direction of arrow XX in FIG. Bracket described with reference to FIG.
The traveling rail 8 which guides the movement of the door body 3 in the opening / closing direction is fixed to the top surface of 90, and the hanger metal fitting 9 is suspended from the traveling rail 8 directly or via a slider member 91 with less friction.
At the lower end of the hanger member 9 in the illustrated example, the shaft holding members 92A, 9A
A fastening direction shaft 93 is held by 2B, and a hanging member 94 fixed to the top surface of the door body 3 by, for example, a bolt 94A is hung by the fastening direction shaft 93 so as to be movable in the fastening direction. A bearing 95 may be provided between the suspension member 94 and the tightening direction shaft 93. In the figure, the symbol 93A indicates the tightening direction shaft 93 as the shaft holding members 92A and 92A.
A locking pin that locks to B. Furthermore, FIG. 10 shows the tightening shaft 12
The position of the connecting rod 32 (see FIGS. 1B and 6) that connects the rotating arm 30 fixed to the lower slide plate 13B to the lower slide plate 13B is shown as a relative position with respect to the hanger fitting 9.
【００２４】駆動手段14からの駆動力を扉本体３へ伝え
る伝動手段13を図示例では上スライド板13Aと下スライ
ド板13Bとによって構成している。図１の矢印IX−IX方
向から見た図９を参照するに、扉本体３の頂面にレール
保持部材60Aを扉本体３と一体的に取付け、その上に開
閉方向レール60を固定し、下スライド板13Bを開閉方向
レール60上に開閉方向に移動可能に取付ける。従って、
下スライド板13Bは、扉本体３に対して開閉方向レール6
0の長さに亘り開閉方向に相対移動可能である。図９の
矢印XI−XI方向から見た図11において、下スライド板13
Bはその上面に一体的に形成したレール保持部材61Aを有
し、締付方向レール61がその上に固定される。よって上
スライド板13Aは、下スライド板13Bに対して締付方向レ
ール61の長さに亘り扉本体３の密閉方向即ち締付方向に
相対的移動可能に取付けられる。図中14Aは、例えばチ
ェーンからなる駆動手段14を上スライド板13Aに結合す
るための結合装置を示す。上スライド板部材13Aに対す
る下スライド板13Bの上記締付方向可動性と図10の締付
方向軸93による固定走行レール８に対する扉本体３の上
記締付方向可動性とにより、扉本体３は垂直姿勢を維持
したまま開口周囲壁７、特に気密パッキン26へ締付ら
れ、確実な気密を達成することができる。In the illustrated example, the transmission means 13 for transmitting the driving force from the driving means 14 to the door body 3 is composed of an upper slide plate 13A and a lower slide plate 13B. Referring to FIG. 9 viewed from the direction of arrow IX-IX in FIG. 1, a rail holding member 60A is integrally attached to the top surface of the door body 3 with the door body 3, and the opening / closing direction rail 60 is fixed thereon. Mount the lower slide plate 13B on the opening / closing direction rail 60 so as to be movable in the opening / closing direction. Therefore,
The lower slide plate 13B has a rail 6 that opens and closes with respect to the door body 3.
It can move relative to the opening and closing direction over the length of 0. In FIG. 11 viewed from the direction of arrow XI-XI in FIG. 9, the lower slide plate 13
B has a rail holding member 61A integrally formed on its upper surface, and the tightening direction rail 61 is fixed thereon. Therefore, the upper slide plate 13A is attached to the lower slide plate 13B so as to be relatively movable in the sealing direction of the door body 3, that is, in the tightening direction over the length of the tightening direction rail 61. Reference numeral 14A in the figure denotes a coupling device for coupling the drive means 14 formed of, for example, a chain, to the upper slide plate 13A. Due to the movability of the lower slide plate 13B with respect to the upper slide plate member 13A in the tightening direction and the movability of the door body 3 with respect to the fixed traveling rail 8 by the tightening direction shaft 93 in FIG. While maintaining the posture, the opening peripheral wall 7, in particular, the airtight packing 26 is fastened, and reliable airtightness can be achieved.
【００２５】図4(B)の締付位置にある扉本体３上の伝動
手段に閉扉向きと逆向きの駆動力が加えられた時には、
まず図4(A)の全閉位置へ復帰する締付解除を優先させ、
締付解除後に全開位置向きの移動を始めるような締付解
除優先動作を確保する必要がある。図13は、このための
締付解除優先機構の一例を図式的に示す。扉本体３の頂
部にスライドロック板50を開口周囲壁７から離れる向き
にばね偏倚させて締付方向に摺動自在に取付け、締付位
置にある扉本体３上のスライドロック板50の右側端面と
対向する開口周囲壁７の部位に図13(B)に示すように受
金具70を固定する。スライドロック板50の右側端面は、
扉本体３が全開位置向きに移動する時に受金具70と当接
する端面である。ばね54は上記ばね偏倚を与えるもので
あり、その一端は係止ピン58でスライドロック板50に結
合され、その他端は固定ピン59で扉本体３に固定され
る。図13の例では、スライドロック板50が下スライド板
13Bの下にあり、スライドロック板50の頂面に設けたカ
ム従動子52が下スライド板13Bの底面に設けたカム51の
カム面と接触する。このカム51のカム面の形状は、下ス
ライド板13Bが図4(B)及び図13(B)の締付位置にある時は
カム従動子52との接触によりスライドロック板50をばね
54の偏倚力に抗して開口周囲壁７へ押付け、下スライド
板13Bが図4(A)の締付解除位置にある時は図13(B)のカム
51の左上部の切欠きとカム従動子52との接触によりスラ
イドロック板50をばね54の偏倚力により開口周囲壁７か
ら離すようなものである。When a driving force in the direction opposite to the closing direction is applied to the transmission means on the door body 3 in the tightening position shown in FIG. 4 (B),
First, prioritize the tightening release that returns to the fully closed position in Fig. 4 (A).
It is necessary to secure the tightening release priority operation that starts moving toward the fully open position after the tightening is released. FIG. 13 schematically shows an example of a tightening release priority mechanism for this purpose. The slide lock plate 50 is spring-biased toward the top of the door body 3 in a direction away from the opening peripheral wall 7 and is slidably mounted in the tightening direction. The right end surface of the slide lock plate 50 on the door body 3 in the tightening position. As shown in FIG. 13 (B), the receiving metal fitting 70 is fixed to the portion of the opening surrounding wall 7 opposed to. The right end surface of the slide lock plate 50 is
It is an end surface that comes into contact with the bracket 70 when the door body 3 moves toward the fully open position. The spring 54 provides the above-mentioned spring bias. One end of the spring 54 is connected to the slide lock plate 50 by a locking pin 58, and the other end is fixed to the door body 3 by a fixing pin 59. In the example of FIG. 13, the slide lock plate 50 is the lower slide plate.
A cam follower 52 provided below the slide lock plate 50 on the bottom surface of the slide lock plate 50 contacts a cam surface of a cam 51 provided on the bottom surface of the lower slide plate 13B. The shape of the cam surface of this cam 51 is such that when the lower slide plate 13B is in the tightening position shown in FIGS.
When pressing the lower slide plate 13B against the biasing force of 54 against the opening surrounding wall 7 and the lower slide plate 13B in the tightening release position of FIG. 4 (A), the cam of FIG. 13 (B) is pressed.
The slide lock plate 50 is separated from the opening surrounding wall 7 by the biasing force of the spring 54 due to the contact between the notch at the upper left portion of 51 and the cam follower 52.
【００２６】この締付解除優先機構によれば、締付位置
にある扉本体３上の伝動手段に閉扉向きと逆向きの駆動
力が加えられた時に、スライドロック板50が開口周囲壁
７へ押付けられて受金具70に当接しているので、扉開閉
方向についてはこのスライドロック板50に固定された扉
本体３は、閉扉向きと逆向き即ち全開位置向きに移動す
ることができず、下スライド板13Bが扉本体３に対して
相対的に前記閉扉向きと逆向きに移動し、回転アーム30
を介して締付軸12を回転させることにより図4(A)に示す
ように締付を解除する。その後、閉扉向きと逆向きの駆
動力に応じて扉本体３は全開位置へ向けて移動する。こ
うして締付解除優先が確保される。According to this tightening release priority mechanism, when the driving force in the direction opposite to the closing direction is applied to the transmission means on the door body 3 in the tightening position, the slide lock plate 50 is moved to the opening surrounding wall 7. As the door body 3 fixed to this slide lock plate 50 cannot move in the direction opposite to the closed door direction, that is, in the fully open position, since it is pressed and is in contact with the receiving metal fitting 70, The slide plate 13B moves relatively to the door body 3 in the direction opposite to the closing direction, and the rotating arm 30
By rotating the tightening shaft 12 via, the tightening is released as shown in FIG. 4 (A). After that, the door body 3 moves toward the fully open position in accordance with the driving force in the direction opposite to the closing direction. In this way, the tightening release priority is secured.
【００２７】前記図11及び図11の矢印XII−XII方向から
見た図12は、下スライド板13Bの上方に設けたスライド
ブロック板50による締付優先解除機構を示す。スライド
ブロック板50に穿った長孔57は、係止ボルト55とワッシ
ャー56とにより扉本体３へスライドブロック板50を締付
方向に摺動自在に取付けるためのものである。カム板51
は下スライド板13Bの頂面に設けられ、スライドブロッ
ク板50の下面に軸53により保持されるカム従動子52と接
触する。カム板51とカム従動子52とによる動作は、図13
について説明したものと同様である。図12の実施例で
は、受金具70及びスライドブロック板50の相互接触面に
それぞれ超硬チップ71を埋め込み、これら接触面の摩耗
を防止している。FIG. 12 and FIG. 12 viewed from the direction of arrow XII-XII in FIG. 11 and FIG. 11 show a tightening priority releasing mechanism by a slide block plate 50 provided above the lower slide plate 13B. The long hole 57 formed in the slide block plate 50 is for attaching the slide block plate 50 to the door body 3 slidably in the tightening direction by the locking bolt 55 and the washer 56. Cam plate 51
Is provided on the top surface of the lower slide plate 13B and contacts the cam follower 52 held by the shaft 53 on the lower surface of the slide block plate 50. The operation of the cam plate 51 and the cam follower 52 is shown in FIG.
Is the same as that described above. In the embodiment of FIG. 12, cemented carbide tips 71 are embedded in the mutual contact surfaces of the receiving metal fitting 70 and the slide block plate 50, respectively, to prevent wear of these contact surfaces.
【００２８】締付軸12を、扉本体３の動作に応じ図6(A)
に示す締付解除角度位置又は図6(B)に示す締付角度位置
に確実に保持することが望ましい。図14は、このための
締付ロック装置79の一例を図式的に示す。図14(B)を参
照するに、各締付軸12に当該軸12と直交させて位置決め
カム81を取付ける。位置決めカム81には、締付軸12の締
付後の角度位置と対応する締付面81A、及び締付軸12の
締付解除後の角度位置と対応する解除面81Bを形成し、
押付けローラ82を押付けばね83により前記位置決めカム
81の締付面81A又は解除面81Bへ選択的に押付けることに
よって、締付軸12を締付後の角度位置又は締付解除後の
角度位置に保持する。図14(C)は押付けローラ82が解除
面81Bに接触した状態を示す。図14(B)と図14（C)との比
較から明らかなように、図示例の締付ロック装置79によ
れば、位置決めカム81の角度位置に応じ、単一向きの偏
倚力Ｐによって締付軸12を矢印Ｒ向き（図14(C)参照）
又は矢印Ｌ向き（図14(B)参照）に押し付けることによ
り、締付軸12を締付角度位置又は締付解除角度位置へ選
択的にロックすることができる。The tightening shaft 12 is shown in FIG. 6 (A) according to the operation of the door body 3.
It is desirable to securely hold the tightening release angular position shown in or the tightening angular position shown in FIG. 6 (B). FIG. 14 schematically shows an example of the tightening lock device 79 for this purpose. Referring to FIG. 14 (B), a positioning cam 81 is attached to each tightening shaft 12 so as to be orthogonal to the shaft 12. The positioning cam 81 is formed with a tightening surface 81A corresponding to the angular position of the tightening shaft 12 after tightening, and a releasing surface 81B corresponding to the angular position of the tightening shaft 12 after unfastening,
The pressing roller 82 is moved by the pressing spring 83 to the positioning cam.
By selectively pressing against the tightening surface 81A or the releasing surface 81B of 81, the tightening shaft 12 is held in the angular position after tightening or in the angular position after unfastening. FIG. 14C shows the pressing roller 82 in contact with the release surface 81B. As is clear from the comparison between FIG. 14 (B) and FIG. 14 (C), according to the tightening lock device 79 of the illustrated example, the tightening force P is applied in a single direction in accordance with the angular position of the positioning cam 81. Attach shaft 12 in the direction of arrow R (see Fig. 14 (C))
Alternatively, by pressing in the direction of the arrow L (see FIG. 14 (B)), the tightening shaft 12 can be selectively locked at the tightening angular position or the tightening releasing angular position.
【００２９】図2(B)は締付軸12の締付角度位置と締付解
除角度位置との間の角度差をθとして示すが、図14(A)
はこの角度差を超える締付軸12の回転の行き過ぎを防止
するためにストッパ80を設けることを示す。図1(B)の開
側スライド板リミッタ13C及び閉側スライド板リミッタ1
3Dは、扉本体３に固定された部材であり、下スライド板
13Bの扉本体３に対する相対移動を制限することにより
回転アーム30の回転、従って締付軸12の回転の行き過ぎ
を防止することができる。FIG. 2 (B) shows the angle difference between the tightening angular position and the tightening releasing angular position of the tightening shaft 12 as θ, but FIG. 14 (A)
Indicates that a stopper 80 is provided in order to prevent the tightening shaft 12 from excessively rotating beyond the angle difference. Open side slide plate limiter 13C and close side slide plate limiter 1 in FIG. 1 (B)
3D is a member fixed to the door body 3, and is a lower slide plate.
By limiting the relative movement of 13B with respect to the door body 3, it is possible to prevent the rotation of the rotating arm 30, and thus the rotation of the tightening shaft 12, from overshooting.
【００３０】図15は、図1(A)の締付ロック装置79の構造
の説明図である。扉本体３に設けたばね座84に座着させ
た押付けばね83の押付け力をロッド85を介して押付けロ
ーラ82に加える。図中記号86は、ロッド85の案内軸受け
を示す。図６の密封手段の回転アーム30により位置決め
カム81が２点鎖線位置に回転された時は、押付けばね83
が最も収縮して大きな押付け力を回転自在の位置決めカ
ム81に及ぼすので、この２点鎖線位置は不安定であり、
図14(B)又は図14(C)の位置で安定する。FIG. 15 is an explanatory view of the structure of the tightening lock device 79 of FIG. 1 (A). The pressing force of the pressing spring 83 seated on the spring seat 84 provided on the door body 3 is applied to the pressing roller 82 via the rod 85. Reference numeral 86 in the figure indicates a guide bearing for the rod 85. When the positioning cam 81 is rotated to the two-dot chain line position by the rotating arm 30 of the sealing means shown in FIG.
Is most contracted and exerts a large pressing force on the rotatable positioning cam 81, so the position of the two-dot chain line is unstable,
It stabilizes at the position shown in FIG. 14 (B) or FIG. 14 (C).
【００３１】図16は、駆動手段14に駆動力を与える機構
の一例を示す。自動の場合には調速機付モータ15の出力
を電磁クラッチ16を介して選択的にカップラー18へ伝
え、さらにギアボックス19の歯車列（図示せず）を介し
て駆動輪20Aへ伝える。電磁クラッチ16からカップラー1
8までの軸は、軸受17に回転自在に保持される。手動の
場合には、例えば自動駆動の駆動力を電磁クラッチ16に
おける結合解除によって遮断し、手動軸23に手動ハンド
ル24を嵌め込み、手動ハンドル24による手動歯車22の回
転を手動チェーン21及び手動用駆動輪20Cを介して駆動
輪20Aへ伝える。FIG. 16 shows an example of a mechanism for applying a driving force to the driving means 14. In the case of automatic transmission, the output of the motor with speed governor 15 is selectively transmitted to the coupler 18 via the electromagnetic clutch 16, and further transmitted to the drive wheels 20A via the gear train (not shown) of the gearbox 19. Electromagnetic clutch 16 to coupler 1
The shafts up to 8 are rotatably held by bearings 17. In the case of manual operation, for example, the driving force of automatic driving is interrupted by disengagement in the electromagnetic clutch 16, the manual handle 24 is fitted in the manual shaft 23, and the rotation of the manual gear 22 by the manual handle 24 is driven by the manual chain 21 and the manual drive. Transmission to drive wheel 20A via wheel 20C.
【００３２】以上本発明を図示例について説明したが、
本発明の技術的範囲内において各種変更を図示例に加え
得ることは当業者には明らかである。例えば、扉本体３
を締付軸12の回転により開口周囲壁７に締付ける密封手
段を他の構造の駆動力の向き変換機構に置換えること、
機械的なストッパー25による扉本体３の移動制限を電気
的なセンサー利用の装置に置換えること、チェーンによ
る駆動をピニオン及びラックによる駆動又はロープ若し
くはベルトによる駆動に置換えること、締付軸12の数を
扉本体毎に１本又は３本以上とすること、上スライド板
13A及び下スライド板13Bからなる伝動手段を他の伝動手
段に置換えること、走行レール８とハンガー金具９によ
る扉本体３の走行案内を他の走行案内機構に置換えるこ
と、手動ハンドル24と手動軸23との結合を用いる自動駆
動と手動駆動とのインターロック方式の組込等が可能で
あるが、図示例に対する変更はこれらの例に限定される
ものではない。The present invention has been described above with reference to the illustrated example.
It will be apparent to those skilled in the art that various modifications can be made to the illustrated examples within the technical scope of the present invention. For example, the door body 3
Replacing the sealing means for tightening the opening peripheral wall 7 with the rotation of the tightening shaft 12 by a driving force redirection mechanism of another structure,
Replacing the movement restriction of the door body 3 by the mechanical stopper 25 with an electric sensor-based device, replacing the chain drive with a pinion and rack drive or a rope or belt drive, and tightening shaft 12 The number of doors should be one or three or more for each main body, and upper slide plate
Replacing the transmission means consisting of 13A and the lower slide plate 13B with another transmission means, replacing the traveling guide of the door body 3 by the traveling rail 8 and the hanger fitting 9 with another traveling guide mechanism, the manual handle 24 and the manual It is possible to incorporate an interlock system of automatic drive and manual drive using the connection with the shaft 23, etc., but the modifications to the illustrated examples are not limited to these examples.
【００３３】[0033]
【発明の効果】以上詳細に説明したように本発明による
気密扉は、単一方向の駆動力によって開閉及び密封の両
動作を行うので、次の顕著な効果を奏する。As described in detail above, the airtight door according to the present invention performs both the opening and closing and the sealing operation by the driving force in a single direction, and therefore has the following remarkable effects.
【００３４】(１)扉本体の開閉動作及び密封のための開
口周囲壁への締付動作の両者を単一方向の駆動力のみに
よって行うので、構造が簡単になる。 (２)扉内外の間の遮断を、扉本体と開口周囲壁との確実
な密封により容易に確保することができる。 (３)扉の開閉と開口周囲壁への締付との両動作を一連動
作として一挙に行い、自動・手動の切替えを含まないの
で、これら両動作を迅速化することができる。 (４)扉本体に吊下げ機構を含め扉走行の円滑化及び静粛
化を容易に図ることができる。 (５)扉本体の四隅に締付ローラを設け、開口周囲壁と平
行に扉本体の締付を行い閉扉時密封の気密性を高めるこ
とができる。 (６)動作の完全自動化が可能であり、気圧の異なる２空
間の間の気密室における入口扉と出口扉のインターロッ
クを容易に行うことができる。 (７)停電等の動力源喪失時にも動力駆動と同一の機能を
手動で実現することができ、しかも自動駆動と手動駆動
との切替えが容易である。(1) Both the opening / closing operation of the door body and the tightening operation to the peripheral wall of the opening for sealing are performed only by the driving force in a single direction, so that the structure is simplified. (2) The disconnection between the inside and outside of the door can be easily ensured by the reliable sealing between the door body and the peripheral wall of the opening. (3) Since both the opening and closing of the door and the tightening to the wall around the opening are performed as a series of operations at once without switching between automatic and manual operations, both these operations can be speeded up. (4) The door body including the suspension mechanism can facilitate the smooth and quiet operation of the door. (5) Tightening rollers are provided at the four corners of the door body, and the door body is fastened in parallel with the peripheral wall of the opening, so that the airtightness of sealing when the door is closed can be improved. (6) The operation can be completely automated, and the interlock between the entrance door and the exit door in the airtight chamber between the two spaces having different atmospheric pressures can be easily performed. (7) Even when the power source is lost due to a power failure or the like, the same function as the power drive can be realized manually, and it is easy to switch between automatic drive and manual drive.
【図面の簡単な説明】[Brief description of drawings]
【図１】は、本発明の気密扉の正面及び頂面の図式的説
明図である。FIG. 1 is a schematic explanatory view of a front surface and a top surface of an airtight door of the present invention.
【図２】は、図１の線IIA−IIAにおける断面図、及び扉
締付動作の原理的説明図である。FIG. 2 is a cross-sectional view taken along line IIA-IIA in FIG. 1 and a principle explanatory view of a door tightening operation.
【図３】は、気密室の説明図である。FIG. 3 is an explanatory diagram of an airtight chamber.
【図４】は、異なる動作位置における扉本体を示す平面
図、及び下スライド板の移動を示す図式的平面図であ
る。FIG. 4 is a plan view showing the door main body at different operating positions and a schematic plan view showing movement of the lower slide plate.
【図５】は、異なる動作位置における扉本体を示す図式
的立面図である。FIG. 5 is a schematic elevational view showing the door body in different operating positions.
【図６】は、締付軸の回転機構の説明図である。FIG. 6 is an explanatory view of a rotating mechanism of a tightening shaft.
【図７】は、図１の矢印線VII−VIIの方向から見た図式
的側面図である。FIG. 7 is a schematic side view seen from the direction of arrow line VII-VII in FIG. 1.
【図８】は、図１の矢印線VIII−VIIIの方向から見た図
式的側面図である。FIG. 8 is a schematic side view seen from the direction of arrow line VIII-VIII in FIG. 1.
【図９】は、図１の矢印線IX−IXの方向から見た図式的
側面図である。FIG. 9 is a schematic side view seen from the direction of arrow line IX-IX in FIG. 1.
【図10】は、図１の矢印線X−Xの方向から見た図式的側
面図である。FIG. 10 is a schematic side view seen from the direction of arrow line XX in FIG. 1.
【図11】は、図９の矢印線XI−XIの方向から見た図式的
側面図である。FIG. 11 is a schematic side view seen from the direction of arrow line XI-XI in FIG. 9.
【図12】は、図11の矢印線XII−XIIの方向から見た図式
的平面図である。12 is a schematic plan view seen from the direction of arrow line XII-XII in FIG. 11.
【図13】は、扉本体に対する締付解除優先機構の図式的
説明図である。FIG. 13 is a schematic explanatory view of a fastening release priority mechanism for the door body.
【図14】は、締付ロック機構の説明図である。FIG. 14 is an explanatory diagram of a tightening lock mechanism.
【図15】は、締付ロック機構の構造の一例の平面図であ
る。FIG. 15 is a plan view of an example of the structure of the tightening lock mechanism.
【図16】は、自動及び手動駆動機構の説明図である。FIG. 16 is an explanatory diagram of automatic and manual drive mechanisms.
【図17】は、従来の気密扉の説明図である。FIG. 17 is an explanatory diagram of a conventional airtight door.
１：開口枠体、 1A：壁側固定部材、
２：沓ずり、３：扉本体、 ４：覗き窓、
５：カバープレート、６：案内溝、
6C：案内溝中心線、 ７：開口周囲壁、８：走
行レール、 ９：ハンガー金具、 10：締付
金具、11：締付ローラー、 12：締付軸、
13：伝動手段、13A：上スライド板、 13B：下
スライド板、 13C：開スライド板リミッタ、 1
3D：閉スライド板リミッタ、 14：扉駆動手段、
14A：結合装置、 15：調速機付モータ、16：
電磁クラッチ、 17：軸受、 18：カ
ップラー、19：ギアボックス、 20A：駆動輪、
20B：被動輪、 20C：手動用駆動輪、 21：
手動チェーン、 22：手動歯車、23：手動軸、
24：手動ハンドル、 25：ストッパ、26：
気密パッキン、 30：回転アーム、 31：ピ
ン、32：連結ロッド、 33：頂部軸受装置、
50：スライドロック板、51：締付保持カム板、 5
2：カム従動子、 53：軸、54：スプリング、
55：係止ボルト、 56：ワッシャ、57：長
孔、 58：係止ピン、 59：固定
ピン、60：開閉方向レール、 60A：レール保持部
材、 61：締付方向レール、61A：レール保持部材、
70：受金具、 71：超硬チップ、79：締付
ロック装置、 80：ストッパ、 81：位置決
めカム、82：押付ローラ、 83：押付ばね、
84：ばね座、85：ロッド、 86：案内
軸受、 90：ブラケット、90A、90B：溝形成部
材、 91：スライダー部材、 92A、92B：軸保持部
材、93：締付方向軸、 93A：止めピン、
94：吊下げ部材、94A：取付ボトル、 95：軸
受、 101：気密室扉、 103：制御盤、
104：表示灯、 105：掛金装置、 10
5a：掛金受け、 106：操作ハンドル、 10
7：連結板、 109：引手、 110：ヒンジ、
150：調圧室、 151：外気空間、 15
2：気密室、 153：気密扉。1: Opening frame body, 1A: Wall side fixing member,
2: Slip, 3: Door body, 4: Viewing window,
5: cover plate, 6: guide groove,
6C: guide groove center line, 7: peripheral wall of opening, 8: running rail, 9: hanger fitting, 10: tightening fitting, 11: tightening roller, 12: tightening shaft,
13: Transmission means, 13A: Upper slide plate, 13B: Lower slide plate, 13C: Open slide plate limiter, 1
3D: Closed slide plate limiter, 14: Door drive means,
14A: coupling device, 15: motor with speed governor, 16:
Electromagnetic clutch, 17: Bearing, 18: Coupler, 19: Gear box, 20A: Drive wheel,
20B: Driven wheel, 20C: Manual drive wheel, 21:
Manual chain, 22: Manual gear, 23: Manual shaft,
24: Manual handle, 25: Stopper, 26:
Airtight packing, 30: rotating arm, 31: pin, 32: connecting rod, 33: top bearing device,
50: Slide lock plate, 51: Tightening holding cam plate, 5
2: Cam follower, 53: Shaft, 54: Spring,
55: Locking bolt, 56: Washer, 57: Long hole, 58: Locking pin, 59: Fixing pin, 60: Open / close direction rail, 60A: Rail holding member, 61: Tightening direction rail, 61A: Rail holding member ,
70: Bracket, 71: Carbide tip, 79: Tightening lock device, 80: Stopper, 81: Positioning cam, 82: Push roller, 83: Push spring,
84: Spring seat, 85: Rod, 86: Guide bearing, 90: Bracket, 90A, 90B: Groove forming member, 91: Slider member, 92A, 92B: Shaft holding member, 93: Tightening direction shaft, 93A: Stop pin ,
94: Hanging member, 94A: Mounting bottle, 95: Bearing, 101: Airtight chamber door, 103: Control panel,
104: indicator light, 105: latch device, 10
5a: latch receiver, 106: operating handle, 10
7: connecting plate, 109: pull tab, 110: hinge,
150: Pressure regulation room, 151: Outside air space, 15
2: Airtight room, 153: Airtight door.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 堀 光雄 石川県能美郡根上町大浜町ヤ25番地 株式 会社富士精工本社内 (72)発明者 吉本 宣夫 石川県能美郡根上町大浜町ヤ25番地 株式 会社富士精工本社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Mitsuo Hori, 25, Ohama-cho, Negami-cho, Nomi-gun, Ishikawa Prefecture Fuji Seiko Co., Ltd. (72) Nobuo Yoshimoto, No. 25, Ohama-cho, Negami-cho, Nomi-gun, Ishikawa Company Fuji Seiko Head Office
Claims (15)
前記開口を閉鎖する全閉位置との間に開閉方向に移動可
能な扉本体；前記全開位置側から全閉位置へ向う前記扉
本体の閉扉向き移動を前記全閉位置までに制限するスト
ッパー；前記扉本体に載置された伝動手段；前記伝動手
段を前記開閉方向に駆動する駆動手段；及び前記全閉位
置にある前記扉本体の伝動手段に前記駆動手段から閉扉
向きに加えられる力に応じて前記扉本体の前記開口の枠
体への締付をし、且つ前記開口の枠体への締付位置にあ
る前記扉本体の伝動手段に前記駆動手段から前記閉扉向
きと逆の向きに加えられる力に応じて前記扉本体を前記
開口の枠体への締付から解除する密封手段を備えてなる
気密扉。1. A door body movable in an opening / closing direction between a fully open position for opening an opening surrounded by a frame and a fully closed position for closing the opening; the door main body moving from the fully open position side to the fully closed position. A stopper for limiting the movement of the door body toward the closing direction to the fully closed position; a transmission means mounted on the door body; a driving means for driving the transmission means in the opening and closing direction; and the door at the fully closed position. The door body is fastened to the frame body of the opening of the door body according to the force applied to the transmission means of the body from the drive means in the closing direction, and is in the tightening position of the opening to the frame body. An airtight door comprising a sealing means for releasing the door body from being tightened to the frame body of the opening in response to a force applied to the transmission means from the drive means in a direction opposite to the closing direction.
前記開閉方向に平行な対向端面の間に枢支され前記対向
端面より突出する端部を有する締付軸、前記締付軸の端
面に前記締付軸の中心軸線から偏心させて取付けた締付
ローラ、前記開口の枠体に前記開閉方向に固定され且つ
前記締付ローラを摺動自在に受入れる案内溝、及び前記
全閉位置にある前記扉本体の伝動手段に前記駆動手段か
ら前記閉扉向きに又は前記閉扉向きと逆向きに加えられ
る力に応じて前記締付軸を回転させる回転手段を前記密
封手段に設けてなる気密扉。2. The airtight door according to claim 1, wherein the tightening shaft is pivotally supported between opposed end surfaces of the door body parallel to the opening / closing direction, and has an end projecting from the opposed end surface, A tightening roller mounted eccentrically from the central axis of the tightening shaft on the end surface, a guide groove fixed in the opening / closing direction to the frame body of the opening and slidably receiving the tightening roller, and the fully closed position. An airtight door in which the sealing means is provided with rotating means for rotating the tightening shaft in response to a force applied to the transmission means of the door body from the drive means in the closing direction or in the direction opposite to the closing direction. .
ラを前記締付軸の両端の端面にそれぞれ取付け、前記開
口の枠体の前記締付軸両端に対向する部位にそれぞれ前
記締付ローラを摺動自在に受入れる案内溝を設けてなる
気密扉。3. The airtight door according to claim 2, wherein the tightening rollers are attached to end faces of both ends of the tightening shaft, and the tightening is performed at a portion of the frame of the opening facing both ends of the tightening shaft. An airtight door with a guide groove that slidably receives the roller.
付ローラが取付けられた締付軸を前記扉本体の両側部分
にそれぞれ設けてなる気密扉。4. The airtight door according to claim 3, wherein tightening shafts having tightening rollers attached to both ends thereof are provided on both sides of the door body.
へ前記扉本体に対する一定範囲の前記開閉方向相対移動
可能に取付けた下スライド板と、前記下スライド板上へ
前記下スライド板に対する一定範囲の前記扉本体締付方
向相対移動可能に取付け且つ前記駆動手段に結合した上
スライド板とを前記伝動手段に設けてなる気密扉。5. The airtight door according to claim 2, wherein a lower slide plate mounted on the door body so as to be movable relative to the door body in a certain range relative to the opening / closing direction, and on the lower slide plate for the lower slide plate. An airtight door in which the transmission means is provided with an upper slide plate which is mounted so as to be relatively movable in the door body tightening direction within a certain range and is coupled to the drive means.
固定し且つ前記下スライド板に枢着した回転アームを前
記回転手段に設け、前記扉本体に対する前記下スライド
板の前記閉扉向き相対移動に応じて前記回転アームを介
し前記締付軸を締付向きに回転させて前記扉本体の前記
開口の枠体への締付をし、前記扉本体に対する前記下ス
ライド板の前記閉扉向きと逆向きの相対移動に応じて前
記回転アームを介し前記締付軸を締付向きと逆向きに回
転させて前記扉本体の締付を解除してなる気密扉。6. An airtight door according to claim 5, wherein said rotating means is provided with a rotating arm fixed to said tightening shaft and pivotally attached to said lower slide plate, and said lower slide plate is oriented with respect to said door main body in said closing direction. According to relative movement, the tightening shaft is rotated in the tightening direction via the rotating arm to tighten the opening body of the door body to the frame body, and the lower slide plate with respect to the door body is directed toward the closing door. An airtight door in which the tightening of the door body is released by rotating the tightening shaft in the direction opposite to the tightening direction via the rotating arm in accordance with relative movement in the opposite direction.
に、前記開口の枠体に取付けられ且つ原動機により駆動
される駆動輪、前記駆動輪と共働する被動輪、及び前記
駆動輪と被動輪との間に張設される駆動索を設け、前記
駆動索を前記伝動手段に結合してなる気密扉。7. The airtight door according to claim 1, wherein the drive means includes drive wheels mounted on the frame of the opening and driven by a prime mover, driven wheels cooperating with the drive wheels, and the drive wheels. An airtight door which is provided with a drive cable stretched between the driven wheel and the drive cable and is connected to the transmission means.
に、前記開口の枠体に取付けられ且つ原動機により駆動
されるピニオン、及び前記ピニオンに噛合し且つ前記伝
動手段に結合されたラックを設けてなる気密扉。8. The airtight door according to claim 1, wherein the drive means includes a pinion attached to the frame of the opening and driven by a prime mover, and a rack meshed with the pinion and connected to the transmission means. Airtight door provided.
該軸と直交させて位置決めカムを取付け、前記位置決め
カムに前記締付軸の締付後の角度位置と対応する締付面
及び前記締付軸の締付解除後の角度位置と対応する解除
面を形成し、ばね偏倚したカム従動子を前記位置決めカ
ムの締付面又は解除面へ選択的に押付けることにより、
前記締付軸を締付後の角度位置又は締付解除後の角度位
置に保持してなる気密扉。9. The airtight door according to claim 1, wherein a positioning cam is attached to the tightening shaft so as to be orthogonal to the tightening shaft, and a tightening surface corresponding to the angular position of the tightening shaft after tightening is attached to the positioning cam. And forming a release surface corresponding to the angular position of the tightening shaft after the tightening is released, and by selectively pressing the spring-biased cam follower to the tightening surface or the release surface of the positioning cam,
An airtight door that holds the tightening shaft at an angular position after tightening or at an angular position after releasing tightening.
枠体の前記扉本体の上端と対向する部位に前記開閉方向
に延びる走行レールを固定し、前記走行レールと走行自
在に係合するハンガー金具を前記扉本体の頂面に取付
け、前記ハンガー金具を介して前記扉本体を前記走行レ
ールから摺動自在に吊下げてなる気密扉。10. The airtight door according to claim 1, wherein a traveling rail extending in the opening / closing direction is fixed to a portion of the frame body of the opening facing an upper end of the door body, and the traveling rail is movably engaged with the traveling rail. An airtight door in which a hanger fitting is attached to the top surface of the door body, and the door body is slidably suspended from the traveling rail via the hanger fitting.
ガー金具に前記締付軸の締付方向の軸を設け、前記扉本
体の頂部に固定の吊下げ部材を前記締付方向の軸へ摺動
自在に係止することにより、前記扉本体を前記ハンガー
金具に対して前記締付方向に摺動自在としてなる気密
扉。11. The airtight door according to claim 10, wherein the hanger fitting is provided with a shaft in the tightening direction of the tightening shaft, and a hanging member fixed to the top of the door body is slid on the shaft in the tightening direction. An airtight door in which the door body is slidable in the tightening direction with respect to the hanger fitting by movably locking.
イド板に締付保持カムを取付け、前記締付保持カムと係
合するカム従動子付きのスライドロック板を前記扉本体
頂面へ前記締付方向にばね偏倚させて摺動自在に設け、
前記スライドロック板の前記閉扉向きと反対向きの端面
に対向する前記開口の枠体上の部位に受金具を固定し、
前記扉本体に対する前記下スライド板の相対位置が前記
扉本体の前記開口枠体への締付をする相対位置である間
は前記締付保持カムとスライドロック板のカム従動子と
の係合により前記扉本体上のスライドロック板を前記締
付向きに摺動させて前記開口の枠体上の受金具に係合さ
せ前記扉本体を前記全閉位置に保持してなる気密扉。12. The airtight door according to claim 6, wherein a tightening holding cam is attached to the lower slide plate, and a slide lock plate with a cam follower engaging with the tightening holding cam is provided on the top surface of the door body. Spring-biased in the tightening direction and provided slidably,
The receiving metal fitting is fixed to a portion on the frame body of the opening facing the end surface of the slide lock plate opposite to the door closing direction,
While the relative position of the lower slide plate with respect to the door main body is the relative position for tightening the door main body to the opening frame body, by the engagement of the tightening holding cam and the cam follower of the slide lock plate. An airtight door in which a slide lock plate on the door body is slid in the tightening direction to engage with a receiving metal fitting on a frame body of the opening to hold the door body at the fully closed position.
をチェーン、ケーブル又はベルトとしてなる気密扉。13. The airtight door according to claim 7, wherein the drive cable is a chain, a cable or a belt.
に対し、電動機による駆動手段、手動駆動手段、及び電
動・手動切替え手段を設けてなる気密扉。14. An airtight door according to claim 7, wherein the drive wheels are provided with a driving means by an electric motor, a manual driving means, and an electric / manual switching means.
手段に、ハンドルと前記ハンドルが着脱自在に嵌合する
手動軸とを含め、前記ハンドルが前記手動軸から分離さ
れていることを条件に前記電動機による駆動手段を作動
可能にするインターロック回路を設けてなる気密扉。15. The airtight door according to claim 14, wherein the manual means includes a handle and a manual shaft to which the handle is detachably fitted, and the handle is separated from the manual shaft. An airtight door provided with an interlock circuit for enabling the driving means by the electric motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5253340A JP2672774B2 (en) | 1993-10-08 | 1993-10-08 | Airtight door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5253340A JP2672774B2 (en) | 1993-10-08 | 1993-10-08 | Airtight door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH07102852A true JPH07102852A (en) | 1995-04-18 |
| JP2672774B2 JP2672774B2 (en) | 1997-11-05 |
Family
ID=17249966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5253340A Expired - Lifetime JP2672774B2 (en) | 1993-10-08 | 1993-10-08 | Airtight door |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2672774B2 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5522806A (en) * | 1978-06-30 | 1980-02-18 | Yokogawa Hokushin Electric Corp | Semiconductor circuit |
| JPH0336386A (en) * | 1989-07-04 | 1991-02-18 | Ichikoh Ind Ltd | Window opening device |
| JPH03262888A (en) * | 1990-03-12 | 1991-11-22 | Shinkansai Bearing Kk | Airtightly closing door device |
| JPH04353185A (en) * | 1991-05-31 | 1992-12-08 | Nippon Cable Syst Inc | Opening and shutting device of slide type window |
-
1993
- 1993-10-08 JP JP5253340A patent/JP2672774B2/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5522806A (en) * | 1978-06-30 | 1980-02-18 | Yokogawa Hokushin Electric Corp | Semiconductor circuit |
| JPH0336386A (en) * | 1989-07-04 | 1991-02-18 | Ichikoh Ind Ltd | Window opening device |
| JPH03262888A (en) * | 1990-03-12 | 1991-11-22 | Shinkansai Bearing Kk | Airtightly closing door device |
| JPH04353185A (en) * | 1991-05-31 | 1992-12-08 | Nippon Cable Syst Inc | Opening and shutting device of slide type window |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2672774B2 (en) | 1997-11-05 |
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