JPH058311Y2 - - Google Patents
Info
- Publication number
- JPH058311Y2 JPH058311Y2 JP18716387U JP18716387U JPH058311Y2 JP H058311 Y2 JPH058311 Y2 JP H058311Y2 JP 18716387 U JP18716387 U JP 18716387U JP 18716387 U JP18716387 U JP 18716387U JP H058311 Y2 JPH058311 Y2 JP H058311Y2
- Authority
- JP
- Japan
- Prior art keywords
- door
- actuating piece
- piece
- rotation
- support 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.)
- Expired - Lifetime
Links
- 230000007246 mechanism Effects 0.000 claims description 36
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 description 15
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000007257 malfunction Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Elevator Door Apparatuses (AREA)
Description
【考案の詳細な説明】
〈産業上の利用分野〉
本考案は、エレベータの扉など電動機で開閉弁
制御される扉に用いられる扉安全装置に関するも
のである。[Detailed Description of the Invention] <Industrial Application Field> The present invention relates to a door safety device used for doors whose opening/closing valves are controlled by electric motors, such as elevator doors.
〈従来の技術〉
電動機で開閉制御される扉では、例えばエレベ
ータの扉のように利用客の安全のために、扉安全
装置が取り付けられることがある。<Prior Art> Doors whose opening and closing are controlled by electric motors, such as elevator doors, are sometimes equipped with a door safety device for the safety of passengers.
特開昭60−6580号公報に、この種の扉安全装置
が提案されており、第7図及び第8図はこの提案
に係る扉安全装置の要部の構成を示す正面図及び
部分切開図である。 This type of door safety device is proposed in Japanese Patent Application Laid-Open No. 60-6580, and FIGS. 7 and 8 are a front view and a partially cutaway view showing the configuration of the main parts of the door safety device according to this proposal. It is.
第7図に示すように、扉1の面上方に上座3が
扉1の面下方に下座4が固定され、これらの上座
3及び下座4にレバー5の一端がそれぞれ回動自
在に取り付けられ、これらのレバー5の他端には
連結体8がそれぞれ取り付けられている。 As shown in FIG. 7, an upper seat 3 is fixed above the surface of the door 1, and a lower seat 4 is fixed below the surface of the door 1, and one end of a lever 5 is rotatably attached to the upper seat 3 and the lower seat 4, respectively. A connecting body 8 is attached to the other end of each of these levers 5.
これらの連結体8には、作動片2が第8図に示
すように取り付けられている。 The actuating pieces 2 are attached to these connecting bodies 8 as shown in FIG.
即ち、作動片2の側縁部に嵌合片22が形成さ
れ、この嵌合片22には嵌合孔22Aが設けられ
連結体8の側縁部に固定されている支点ピン11
の両端が、前述の嵌合孔22Aに挿入嵌合されて
作動片2は支点ピン11を支持軸として回動自在
に、連結体8に取り付けられている。 That is, a fitting piece 22 is formed on the side edge of the actuating piece 2, a fitting hole 22A is provided in the fitting piece 22, and the fulcrum pin 11 is fixed to the side edge of the connecting body 8.
Both ends of the actuating piece 2 are inserted and fitted into the aforementioned fitting holes 22A, and the actuating piece 2 is attached to the connecting body 8 so as to be rotatable about the fulcrum pin 11 as a support shaft.
また、第7図に示すように下座4には第1のス
イツチ6が固定され、この第1のスイツチ6は前
述のレバー5の回動によつて作動して指令信号を
発し、この指令信号は信号線7から図示せぬ電動
機に与えられ、この指令信号によつて電動機が反
転して扉1が開かれるようになつている。 Further, as shown in FIG. 7, a first switch 6 is fixed to the lower seat 4, and this first switch 6 is activated by the rotation of the lever 5 mentioned above to issue a command signal. A signal is given to an electric motor (not shown) from a signal line 7, and the electric motor is reversed in response to this command signal to open the door 1.
さらに、下方の連結体8には第2のスイツチ9
が組み込まれ、この第2のスイツチ9は支点ピン
11を回転軸とする作動片2の回動を検出して作
動して指令信号を発し、この指令信号は信号線7
から図示せぬ電動機に与えられ、この指令信号に
よつて電動機が反転して扉1が開かれるようにな
つている。 Furthermore, a second switch 9 is attached to the lower connecting body 8.
is incorporated, and this second switch 9 detects the rotation of the actuating piece 2 with the fulcrum pin 11 as the rotational axis and operates to issue a command signal, and this command signal is transmitted to the signal line 7.
This command signal is applied to an electric motor (not shown), and the electric motor is reversed to open the door 1.
そして、下方及び上方の連結体8には復帰機構
10が設けられ、この復帰機構10によつて支点
ピン11を支持軸として回動した作動片2は、原
位置に復帰するようになつている。 A return mechanism 10 is provided on the lower and upper connecting bodies 8, and the operating piece 2, which has been rotated about the fulcrum pin 11 as a support shaft, is returned to its original position by the return mechanism 10. .
このような構成の提案に係る扉安全装置では、
例えばエレベータに適用した場合を説明すると、
乗かごが着床し扉1が開放されて所定時間が経過
し、扉1が閉じられている過程で利用客や荷物が
作動片2に接触し、作動片2が第7図の矢印X方
向に押し込まれると、第1のスイツチ6が作動し
て電動機が反転し、閉じかけていた扉1が開かれ
る。 In the door safety device proposed with such a configuration,
For example, when applied to an elevator,
After the car has landed on the floor and the door 1 has been opened, a predetermined period of time has elapsed, and while the door 1 is being closed, a passenger or luggage comes into contact with the actuating piece 2, and the actuating piece 2 moves in the direction of the arrow X in Fig. 7. When pushed in, the first switch 6 is activated, the electric motor is reversed, and the door 1, which was about to close, is opened.
また、同様に扉1が閉じられる過程で利用客や
荷物によつて、作動片2が支点ピン11を支持軸
として回動すると、第2のスイツチ9が作動して
電動機が反転し、閉じかけていた扉1が開かれ
る。 Similarly, when the actuating piece 2 is rotated about the fulcrum pin 11 by passengers or luggage during the process of closing the door 1, the second switch 9 is activated and the electric motor is reversed, causing the door to close. Door 1, which was previously closed, opens.
そして、作動片2が利用客や荷物から離れる
と、作動片2の第7図の矢印X方向への移動は、
弾性復帰力によつて原位置に復帰し、作動片2の
支点ピン11を中心とする回動は、復帰機構10
によつて原位置に復帰する。 When the actuating piece 2 moves away from the passenger or the luggage, the movement of the actuating piece 2 in the direction of the arrow X in Fig. 7 is as follows.
The actuating piece 2 is returned to its original position by the elastic return force, and the rotation of the actuating piece 2 about the fulcrum pin 11 is caused by the return mechanism 10.
It returns to its original position.
このようにして、提案に係る扉安全装置による
と、扉が閉じられる過程での利用客や荷物の挾ま
りを検知して扉が開かれるので、事故の発生を防
止することが出来る。 In this way, according to the proposed door safety device, the door is opened by detecting that a passenger or baggage is caught in the door while it is being closed, thereby making it possible to prevent accidents from occurring.
〈考案が解決しようとする問題点〉
前述の提案に係る扉安全装置においては、第7
図及び第8図に示すように、第2のスイツチ9及
び復帰機構10に対して支点ピン11と嵌合孔2
2Aで形成される回動機構が片持ち構造となつて
いる。<Problems to be solved by the invention> In the door safety device according to the above proposal, the seventh
As shown in FIG. 8, the fulcrum pin 11 and the fitting hole 2 are connected to the second switch 9 and the return mechanism 10.
The rotation mechanism formed by 2A has a cantilevered structure.
このために、復帰機構10からの反力によつて
支点ピン11には軸心を偏心させる方向に常に力
が印加されている。 For this reason, a force is constantly applied to the fulcrum pin 11 in a direction to eccentrically center the axis due to the reaction force from the return mechanism 10.
この復帰機構10からの反力が原因で、嵌合片
22の位置ずれや軸受となる嵌合孔22Aの摩耗
によつて支点ピン11に偏心を生じ、復帰機構1
0の復帰力不足状態となつて作動片2か原位置に
復帰不可能となつたり、或は第2のスイツチ9の
作動が復帰しない状態となつて、扉1の閉扉が不
可能となり、エレベータが使用出来なくなること
があつた。 This reaction force from the return mechanism 10 causes eccentricity in the fulcrum pin 11 due to displacement of the fitting piece 22 and wear of the fitting hole 22A serving as a bearing, and the return mechanism 1
0, the return force is insufficient and the actuating piece 2 cannot return to its original position, or the second switch 9 is unable to return to its original position, making it impossible to close the door 1, causing the elevator to close. sometimes became unusable.
本考案は、前述したようなこの種の扉安全装置
の現状に鑑みてなされたものであり、その目的は
原位置への復帰が出来なくなつたり、閉扉動作が
不能となつたりすることなく、常に正常に作動し
て高信頼性動作を行なう扉安全装置を提供するこ
とにある。 The present invention was developed in view of the current state of this type of door safety device as described above, and its purpose is to prevent the door from becoming unable to return to its original position or to close the door. An object of the present invention is to provide a door safety device that always operates normally and performs highly reliable operation.
〈問題点を解決するための手段〉
前述の目的を達成するために、本考案では電動
機により開閉駆動される扉の先端に突出して設け
られ、前記扉の開閉方向に移動自在で、前記扉の
面に平行な支持軸を中心に回動自在な作動片と、
この作動片の突出方向と反対側に設けられ、前記
作動片を前記支持軸を中心に回動させる回動機構
を前記作動片との間に形成する連結体と、前記扉
に回動自在に取り付けられ、前記作動片と共に前
記扉の開閉方向に移動する前記連結体を前記扉に
対して保持するレバーと、このレバーの回動で作
動し、前記電動機を反転させる第1のスイツチ
と、前記作動片の前記支持軸を中心とする回動に
より作動し、前記電動機を反転させる第2のスイ
ツチと、前記作動片を前記支持軸を中心とする回
動位置から原位置に復帰させる復帰機構とを具備
する扉安全装置において、前記回動機構が前記復
帰機構を挾む位置にそれぞれ設けられた構成とな
つている。<Means for solving the problem> In order to achieve the above-mentioned object, in the present invention, a door is provided protrudingly at the tip of a door that is driven to open and close by an electric motor, is movable in the opening and closing direction of the door, and is movable in the opening and closing direction of the door. an actuating piece that is rotatable around a support shaft parallel to the surface;
a coupling body provided on the opposite side to the protruding direction of the actuation piece and forming a rotation mechanism between the actuation piece and the actuation piece for rotating the actuation piece around the support shaft; a lever that is attached and moves in the opening/closing direction of the door together with the actuating piece and holds the connecting body against the door; a first switch that is actuated by rotation of the lever and reverses the electric motor; a second switch that is actuated by rotation of the actuation piece about the support shaft and reverses the electric motor; and a return mechanism that returns the actuation piece from the rotation position about the support shaft to its original position. In the door safety device, the rotation mechanism is provided at a position sandwiching the return mechanism.
〈作用〉
本考案では、作動片と連結体間に形成され作動
片を扉の面に平行な支持軸を中心として回動させ
る回動機構が、復帰機構を挟む位置にそれぞれ設
けられている。<Function> In the present invention, rotating mechanisms formed between the actuating piece and the connecting body and rotating the actuating piece about a support shaft parallel to the surface of the door are provided at positions sandwiching the return mechanism.
このように、回動機構が両持ち構造となつてい
るので、本考案においては復帰機構からの反力
が、例えば連結体側の支持軸と作動片側の軸受と
で構成される回動機構の支持軸を、偏心させる方
向には印加されなくなる。 In this way, since the rotating mechanism has a double-supported structure, in the present invention, the reaction force from the return mechanism is used to support the rotating mechanism, which is composed of, for example, the support shaft on the coupling body side and the bearing on the operating side. No more force is applied in the direction that makes the shaft eccentric.
このために、回動機構の偏心による復帰機構か
らの反力によつて、作動片の復帰不能や第2のス
イツチの作動が復帰しない状態となることはなく
なり、高信頼度の動作が行なわれる。 Therefore, the actuating piece will not be unable to return or the second switch will not be able to return due to the reaction force from the return mechanism due to eccentricity of the rotation mechanism, and highly reliable operation is achieved. .
〈実施例〉
以下、本考案の実施例を第1図乃至第6図を用
いて詳細に説明する。<Example> Hereinafter, an example of the present invention will be described in detail using FIGS. 1 to 6.
ここで、第1図乃至第6図は本考案の実施例の
構成を示す図で、第1図は正面図、第2図は要部
の構成を示す一部切開図、第3図は第2図のV−
V断面図、第4図は第2図のA−A断面図、第5
図は第2図のB−B断面図、第6図は復帰機構の
構成を示す説明図である。 Here, FIGS. 1 to 6 are diagrams showing the configuration of an embodiment of the present invention, with FIG. 1 being a front view, FIG. 2 being a partially cutaway view showing the configuration of the main parts, and FIG. V- in Figure 2
V cross-sectional view, Figure 4 is the A-A cross-sectional view of Figure 2, and Figure 5 is
The figure is a sectional view taken along the line BB in FIG. 2, and FIG. 6 is an explanatory diagram showing the configuration of the return mechanism.
第1図に示すように、本考案の実施例において
は、上座3にレバー5を介して取り付けられる連
結体8及び下座4にレバー5を介して取り付けら
れる連結体8は、いずれも復帰機構10を上下か
ら挾む位置で、作動片2に取り付けられて回動機
構を構成している。 As shown in FIG. 1, in the embodiment of the present invention, the connecting body 8 attached to the upper seat 3 via the lever 5 and the connecting body 8 attached to the lower seat 4 via the lever 5 both have a return mechanism. It is attached to the actuating piece 2 at a position sandwiching the actuating member 10 from above and below, thereby forming a rotating mechanism.
第2図及び第3図はこの回動機構部分を詳細に
示すもので、本考案の実施例においては、連結体
8の両端部に互いに相近付く方向に支持軸20
が、同一軸心aを有して突出形成されている。 FIGS. 2 and 3 show this rotating mechanism part in detail. In the embodiment of the present invention, the support shaft 20 is moved toward both ends of the connecting body 8 toward each other.
are formed to protrude and have the same axis a.
この連結体8に対して、すでに第7図及び第8
図を用いて提案に係る扉安全装置で説明したよう
に、レバー5が取り付けられている。 For this connecting body 8, it has already been shown in FIGS. 7 and 8.
As explained in the proposed door safety device using the figures, the lever 5 is attached.
一方、作動片2の側縁部に設けられている嵌合
片22には、復帰機構10を上下から挾む位置に
軸受21が形成され、これらの軸受21が前述の
支持軸20に対して回動自在に嵌合されている。 On the other hand, bearings 21 are formed in the fitting pieces 22 provided on the side edges of the actuating piece 2 at positions that sandwich the return mechanism 10 from above and below, and these bearings 21 are connected to the above-mentioned support shaft 20. They are rotatably fitted.
ここで、復帰機構10は第4図及び第6図に示
すような構成を有し、連結体8に円弧状の転動面
を有する受け板14が固定され、この受け板14
の転動面を転動する転動体19が先端に取り付け
られたロツド18が、受け板14に対向して配設
されている。 Here, the return mechanism 10 has a configuration as shown in FIGS. 4 and 6, and a receiving plate 14 having an arcuate rolling surface is fixed to the connecting body 8.
A rod 18 is disposed opposite to the receiving plate 14 and has a rolling element 19 attached to its tip that rolls on a rolling surface.
そして、作動片2の内側に保持具15が固定さ
れ、この保持具15に復帰ばね16が保持され、
ばね座17を有するロツド18が、復帰ばね16
の偏倚力によつて転動体19を受け板14の摺動
面に押し付けられた状態で、作動片2に取り付け
られている。 A holder 15 is fixed inside the actuating piece 2, and a return spring 16 is held in this holder 15.
The rod 18 having the spring seat 17 is the return spring 16
The rolling element 19 is attached to the actuating piece 2 in a state where it is pressed against the sliding surface of the receiving plate 14 by the biasing force.
また、第6図に示すように、受け板14の円弧
径Rは、作動片2が平衡位置にある時の受け板1
4の摺動面と作動片2の回動中心である軸心a間
距離Lよりも小さく設定されている。 In addition, as shown in FIG. 6, the arc diameter R of the receiving plate 14 is the same as the radius
The distance L between the sliding surface of No. 4 and the axis a, which is the center of rotation of the actuating piece 2, is set smaller than the distance L between the sliding surface of No. 4 and the center of rotation of the actuating piece 2.
このため、ロツド18が転動体19の転動面上
の転動によつて回動すると、l<Lとなつてロツ
ド18が復帰ばね16の偏倚力に抗して作動片2
内に押し込まれるようになつている。 Therefore, when the rod 18 rotates due to the rolling motion of the rolling element 19 on the rolling surface, l<L, and the rod 18 resists the biasing force of the return spring 16 and pushes against the actuating piece 2.
It seems to be pushed inside.
このようにして、ロツド18が作動片2内に押
し込まれると、ロツド18を受け板14の転動面
に押し付けているばね力Pが増加することにな
る。 When the rod 18 is pushed into the actuating piece 2 in this way, the spring force P pressing the rod 18 against the rolling surface of the receiving plate 14 increases.
このばね力Pから、転動体19と転動面との接
点で、転動体19が受け板を押し付ける力F1と、
軸心aを中心にロツド18を回転させる力F2と
が分力として得られるように構成されている。 From this spring force P, the force F 1 of the rolling element 19 pressing against the receiving plate at the contact point between the rolling element 19 and the rolling surface,
The structure is such that the force F2 for rotating the rod 18 about the axis a is obtained as a component force.
また、第2のスイツチ9部分は第5図に示すよ
うに構成され、連結体8に対して第2のスイツチ
9が取り付けられる、この第2のスイツチ9の先
端にはアクチユエータ9aが突出して設けられて
いる。 The second switch 9 is constructed as shown in FIG. 5, and the second switch 9 is attached to the connecting body 8. An actuator 9a is provided protruding from the tip of the second switch 9. It is being
そして、作動片2にはこのアクチユエータ9a
と対向して、山形の操作体13が設けられ、この
操作体13の頂部13aはアクチユエータ9aと
対接して、通常はアクチユエータ9aは押された
状態となつている。 The actuator 9a is attached to the actuating piece 2.
A chevron-shaped operating body 13 is provided opposite to the operating body 13, and the top portion 13a of this operating body 13 faces the actuator 9a, and the actuator 9a is normally in a pressed state.
このため、作動片2が軸心aを中心に回転する
と、アクチユエータ9aが操作体13の側面13
bに沿つて作動片2側に突き出し、これによつて
第2のスイツチ9が作動するようになつている。 Therefore, when the actuating piece 2 rotates around the axis a, the actuator 9a moves from the side surface 13 of the operating body 13.
It protrudes toward the actuating piece 2 along the line b, whereby the second switch 9 is actuated.
このような構成の本考案の実施例について、そ
の動作を本考案をエレベータに適用した場合に対
して説明する。 The operation of the embodiment of the present invention having such a configuration will be described with reference to the case where the present invention is applied to an elevator.
エレベータの乗かごが着床し、エレベータの扉
1が所定時間の間開放され、電動機が作動して扉
1が閉じられている過程で、作動片2に利用客或
は荷物が接触して作動片2が第1図の矢印X方向
に移動すると、レバー5が回動するので第1のス
イツチ6が作動し、指令信号が信号線7を介して
電動機に与えられる。 When the elevator car reaches the floor, the elevator door 1 is opened for a predetermined period of time, and the electric motor is activated to close the door 1, a passenger or luggage comes into contact with the operating piece 2 and the elevator is activated. When the piece 2 is moved in the direction of the arrow X in FIG.
このために、電動機が反転して閉じかけていた
扉1が開くので、利用客或は荷物が扉1に挾まれ
ていた状態が解除され、事故の発生が防止され
る。 As a result, the electric motor reverses and opens the door 1, which was about to close, thereby releasing the passenger or luggage from being caught in the door 1, thereby preventing an accident from occurring.
また、扉1が閉じられている過程で、作動片2
に利用客或は荷物が接触して作動片2が第3図の
矢印方向に回動すると、第5図においてアクチユ
エータ9aが操作体13の側面13bに沿つて作
動片2側に突出するために、第2のスイツチ9が
作動し、指令信号が信号線7を介して電動機に与
えられる。 In addition, while the door 1 is closed, the actuating piece 2
When a passenger or baggage comes into contact with the actuator 2 and the actuator 2 rotates in the direction of the arrow in FIG. , the second switch 9 is activated and a command signal is given to the electric motor via the signal line 7.
このために、電動機が反転して閉じかけていた
扉1が開くので、この場合も利用客或は荷物が扉
1に挾まれていた状態が解除され、事故の発生が
防止される。 For this reason, the electric motor reverses and opens the door 1, which was about to close, so that in this case as well, the passenger or luggage is released from being caught by the door 1, and an accident is prevented from occurring.
さらにこの場合には、第4図において作動片2
が軸心aを中心に回動するので、転動体19が受
け板14の転動面を転動し、平衡状態での軸心a
と転動面間距離よりも短かい円弧径部分に入るの
で、ロツド18が作動片2内に押し込まれる。 Furthermore, in this case, the actuating piece 2 in FIG.
rotates around the axis a, the rolling elements 19 roll on the rolling surface of the receiving plate 14, and the axis a in the equilibrium state
The rod 18 is pushed into the actuating piece 2 because the rod 18 enters the arcuate diameter portion that is shorter than the distance between the rolling surfaces.
このため、すでに第6図で説明したばね力Pの
分力F2が発生し、転動体19が転動面を戻るよ
うに移動し、作動片2は連結体8に対して原位置
に復帰する。 Therefore, the component force F2 of the spring force P already explained in FIG. do.
このようにして、利用客或は荷物によつて第2
図において軸心a位置の支持軸20と軸受21が
嵌合した状態で、連結体8に対して作動片2が回
動し、また、前述の復帰機構10により回動が復
帰しても、支持軸20と軸受21からなる回動機
構が両持ち構造なので、復帰機構10からの反力
が支持軸20を偏心させることはない。 In this way, the second
In the figure, when the support shaft 20 at the axis a position and the bearing 21 are fitted together, the actuating piece 2 rotates with respect to the connecting body 8, and even if the rotation is restored by the above-mentioned return mechanism 10, Since the rotation mechanism consisting of the support shaft 20 and the bearing 21 has a double-sided structure, the reaction force from the return mechanism 10 does not cause the support shaft 20 to become eccentric.
従つて、本考案の実施例では、復帰機構10の
反力によつて支持軸20が偏心することがなく、
作動片2の復帰不能や第2のスイツチ9の誤動作
による閉扉不能事故の発生が防止され、高信頼度
の動作が行なわれる。 Therefore, in the embodiment of the present invention, the support shaft 20 does not become eccentric due to the reaction force of the return mechanism 10.
Accidents in which the door cannot be closed due to the inability of the operating piece 2 to return or the malfunction of the second switch 9 are prevented, and highly reliable operation is performed.
〈考案の効果〉
以上詳細に説明したように、本考案によると作
動片の復帰不能やスイツチの誤動作による閉扉不
能事故が生じない、信頼度の高い動作を行なう扉
安全装置を提供することが出来る。<Effects of the invention> As explained in detail above, according to the invention, it is possible to provide a door safety device that operates with high reliability and does not cause accidents in which the actuating piece cannot return or the door cannot be closed due to malfunction of the switch. .
第1図は本考案の実施例の構成を示す正面図、
第2図は本考案の実施例の要部の構成を示す一部
切開正面図、第3図は第2図のV−V断面図、第
4図は第2図のA−A断面図、第5図は第2図の
B−B断面図、第6図は本考案の実施例における
復帰機構の構成原理を示す説明図、第7図は従来
提案されている扉安全装置の構成を示す正面図、
第8図は従来提案されている扉安全装置の要部の
構成を示す一部切開正面図である。
1……扉、2……作動片、3……上座、4……
下座、5……レバー、6……第1のスイツチ、8
……連結体、9……第2のスイツチ、10……復
帰機構、12……軸受、14……受け板、16…
…復帰ばね、18……ロツド、19……転動体、
20……支持軸、21……軸受。
FIG. 1 is a front view showing the configuration of an embodiment of the present invention;
FIG. 2 is a partially cutaway front view showing the configuration of the main parts of the embodiment of the present invention, FIG. 3 is a sectional view taken along line V-V in FIG. 2, and FIG. 4 is a sectional view taken along line AA in FIG. 2. Fig. 5 is a sectional view taken along line B-B in Fig. 2, Fig. 6 is an explanatory diagram showing the principle of construction of the return mechanism in the embodiment of the present invention, and Fig. 7 shows the arrangement of a conventionally proposed door safety device. Front view,
FIG. 8 is a partially cutaway front view showing the configuration of the main parts of a conventionally proposed door safety device. 1...door, 2...operating piece, 3...upper seat, 4...
Lower seat, 5... Lever, 6... First switch, 8
... Connecting body, 9 ... Second switch, 10 ... Return mechanism, 12 ... Bearing, 14 ... Reception plate, 16 ...
...Return spring, 18...Rod, 19...Rolling element,
20...Support shaft, 21...Bearing.
Claims (1)
して設けられ、前記扉の開閉方向に移動自在
で、前記扉の面に平行な支持軸を中心に回動自
在な作動片と、この作動片の突出方向と反対側
に設けられ、前記作動片を前記支持軸を中心に
回動させる回動機構を前記作動片との間に形成
する連結体と、前記扉に回動自在に取り付けら
れ、前記作動片と共に前記扉の開閉方向に移動
する前記連結体を前記扉に対して保持するレバ
ーと、このレバーの回動で作動し、前記電動機
を反転させる第1のスイツチと、前記作動片の
前記支持軸を中心とする回動により作動し、前
記電動機を反転させる第2のスイツチと、前記
作動片を前記支持軸を中心とする回動位置から
原位置に復帰させる復帰機構とを具備する扉安
全装置において、前記回動機構が前記復帰機構
を挾む位置にそれぞれ設けられてなることを特
徴とする扉安全装置。 (2) 回動機構が、連結体に設けられた軸と作動片
に設けられた軸受とで構成されていることを特
徴とする実用新案登録請求の範囲第(1)項記載の
扉安全装置。[Claims for Utility Model Registration] (1) A device that is provided protrudingly at the tip of a door that is driven to open and close by an electric motor, is movable in the opening and closing direction of the door, and rotates around a support shaft that is parallel to the surface of the door. a freely movable actuating piece; a coupling body provided on the opposite side to the protruding direction of the actuating piece and forming a rotation mechanism between the actuating piece and the actuating piece for rotating the actuating piece around the support shaft; a lever that is rotatably attached to the door and that moves together with the operating piece in the opening/closing direction of the door to hold the connecting body against the door; and a lever that is actuated by rotation of the lever and that reverses the electric motor. a second switch which is actuated by the rotation of the operating piece about the support shaft and reverses the electric motor; What is claimed is: 1. A door safety device comprising: a return mechanism for returning to the original state, wherein the rotation mechanisms are respectively provided at positions sandwiching the return mechanism. (2) The door safety device according to claim (1) of the utility model registration claim, wherein the rotation mechanism is composed of a shaft provided in the connecting body and a bearing provided in the actuating piece. .
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18716387U JPH058311Y2 (en) | 1987-12-10 | 1987-12-10 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18716387U JPH058311Y2 (en) | 1987-12-10 | 1987-12-10 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0190773U JPH0190773U (en) | 1989-06-14 |
JPH058311Y2 true JPH058311Y2 (en) | 1993-03-02 |
Family
ID=31478336
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18716387U Expired - Lifetime JPH058311Y2 (en) | 1987-12-10 | 1987-12-10 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH058311Y2 (en) |
-
1987
- 1987-12-10 JP JP18716387U patent/JPH058311Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0190773U (en) | 1989-06-14 |
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