JPH0218285A - Safety device for elevator door - Google Patents

Safety device for elevator door

Info

Publication number
JPH0218285A
JPH0218285A JP16971488A JP16971488A JPH0218285A JP H0218285 A JPH0218285 A JP H0218285A JP 16971488 A JP16971488 A JP 16971488A JP 16971488 A JP16971488 A JP 16971488A JP H0218285 A JPH0218285 A JP H0218285A
Authority
JP
Japan
Prior art keywords
bracket
car
entrance
height
optical axis
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.)
Pending
Application number
JP16971488A
Other languages
Japanese (ja)
Inventor
Yukiomi Mizuno
幸臣 水野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP16971488A priority Critical patent/JPH0218285A/en
Publication of JPH0218285A publication Critical patent/JPH0218285A/en
Pending legal-status Critical Current

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  • Elevator Door Apparatuses (AREA)

Abstract

PURPOSE:To improve accuracy of detecting an in-carried object for whether or not it is present in a doorway part of a cage by changing a mounting height position of each bracket to a supporting strut and height of an optical axis while its angle of a photoelectric device. CONSTITUTION:This safety device provides a folded part of squared shape with one end open respectively along the peripheral surface shape of a supporting strut in a mounting position to each supporting strut 7a, 7b of each bracket 15 mounting a light projector 12 and a light receiver 13. A through hole for a tightening bolt is drilled in an opening side location of squared shape with one end open of both pieces opposed facing in the folded part of the bracket 15, and by mounting a nut to a penetrating end of this bolt to be tightened, the bracket 15 can be tightened and fixed to the supporting strut by narrowing a space between both the pieces of the bracket 15. While the light projector 12 and the light receiver 13 are swivelably fixed in the vertical direction respectively for the bracket 15. Accordingly, a photoelectric device enables the height of an optical axis A and its angle to be changed in the doorway of a cage.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明はエレベータ扉の安全装置に関し、特にかごの出
入口部位での搬入物の有無を検出する投光器および受光
器から成る光電装置の取付構造の改良に関する。
[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a safety device for elevator doors, and in particular to a mounting structure for a photoelectric device consisting of a light emitter and a light receiver for detecting the presence or absence of carried objects at the entrance/exit portion of a car. Regarding improvements.

〔従来の技術) 第7図乃至第11図は従来のこの種の装置を示すもので
、図において、(1) はかと枠、(2)はこのかと粋
に支持されたかごであフて、その床(3)はかご枠(1
)に固定された支持枠(4)上に図示しない防振ゴムを
介し支持されている。また、支持枠(4)には、かごの
出入口部に上記床(3) に連設させて横置した敷居(
5)が載置固定されるとともに、かご出入口両側の側壁
(6a)、 (6b)外方に配置された支持柱(7a)
、(7b)の下端がボルトによって締付固定されている
。そして、このように支持枠(4)に立設された支持柱
(7a)、(7b)の上部間には、m (8a)、(8
b)の開閉装置(9)の枠体(9a)が架設支持されて
いる。(lO)は後端縁部(10a)がかご側壁(6b
)の一部を成すとともに、前縁端部(10b)が敷居(
5)部位まで延設された出入口柱であり、その前端縁部
(10b)はかご出入口側部のカバーを形成しており、
このカバーすなわち前端縁部(10b)の下部に、後述
する光電装置の光軸に合わせて貫通穴(10c)、(1
0d)が穿設されている。
[Prior Art] Figures 7 to 11 show a conventional device of this kind. In the figures, (1) a frame and (2) a basket supported by the frame. , the floor (3) is the car frame (1
) is supported on a support frame (4) via vibration isolating rubber (not shown). In addition, the support frame (4) has a sill (
5) is placed and fixed, and the side walls (6a) and (6b) on both sides of the car entrance and exit are supported by support columns (7a) placed outward.
, (7b) are tightened and fixed at their lower ends with bolts. And, between the upper parts of the support columns (7a) and (7b) erected on the support frame (4),
The frame body (9a) of the opening/closing device (9) of b) is supported by construction. (lO), the rear edge (10a) is the side wall of the car (6b
), and the front edge end (10b) forms part of the sill (
5) An entrance/exit post extending to the part, the front edge (10b) of which forms a cover for the side of the car entrance;
A through hole (10c), (1
0d) is drilled.

然して、光電装置は、一方の支持柱(7a)にL形ブラ
ケット(lla)を介し取付は固定された投光器(12
)と、これに対向せしめて他方の支持柱(7b)にL形
ブラケット(llb)を介して取付は固定された受光器
(13)とから成り、上記各ブラケット(lla)、(
llb)はそれぞれの支持柱(7a)、(7b)に溶接
によりて接合されている。なお、図中の符号(14)は
操作盤後部の箱体である。
Therefore, the photoelectric device is attached to a floodlight (12) fixed to one support column (7a) via an L-shaped bracket (lla).
), and a light receiver (13) which is fixed to the other support column (7b) via an L-shaped bracket (llb), and each bracket (lla), (
llb) are joined to the respective support columns (7a) and (7b) by welding. Note that the reference numeral (14) in the figure is a box at the rear of the operation panel.

上記構成に係るエレベータ扉の安全装置では、エレベー
タの稼動時、呼び登録された階にかと(2)が停止する
と屏(8a)、(8b)が開閉装置(9)によって開か
れ、これに連動して乗り場側の図示しない扉も開かれる
。そして、搬入物が乗り場側からかと(2)内へ搬入さ
れ、所定時間経過後、上記各扉は閉じられる。この時、
搬入物の一部がかと(2)内へ収容されず、乗り場側に
つきでて、光電装置の光軸(A)(第8図)を遮ってい
る場合に−は、受光器(13)がこれを検出して開閉装
置(9)の扉間動作を中断させ、搬入物が扉(8b)と
出入口柱(10)との間に挟まれるのを防止する。
In the elevator door safety device having the above configuration, when the elevator is in operation, when the door (2) stops at the floor for which the call has been registered, the screens (8a) and (8b) are opened by the opening/closing device (9). Then, a door (not shown) on the landing side is also opened. Then, the items to be carried are carried into the heel (2) from the landing side, and after a predetermined period of time has elapsed, each of the above-mentioned doors is closed. At this time,
If a part of the carried object is not accommodated in the heel (2) but sticks out to the landing area and obstructs the optical axis (A) (Fig. 8) of the photoelectric device, the receiver (13) This is detected and the door-to-door operation of the opening/closing device (9) is interrupted to prevent the carried object from being caught between the door (8b) and the entrance/exit post (10).

(発明が解決しようとする課題) 従来のエレベータ扉の安全装置は、以上のように、かご
出入口部位に障害物が有るか否かを検出する光電装置の
投光器(12)および受光器(13)が、いずれも支持
柱(7a)、(7b)に溶接接合したブラケット(ll
a)、(llb)に取付けられるようになっているため
、これらの設定位置すなわち光軸(A)の位置は、エレ
ベータ製作時点で決定され、これに合わせて出入口柱(
10)の光軸貫通穴(10c) 、 (10d)が穿設
されるようになっていた。このため、予め積荷の種類が
特定されている場合には上記光電装置の設定位置固定は
合理的であるが、上記積荷の種類は据付後、実際にエレ
ベータを使用し始めてから特定される場合が多く、上記
従来のようにエレベータ製作時点で光軸(A)の設定位
置が固定されてしまうものにあっては、据付後に光軸の
高さや角度を変えたくても、変えられないという難点が
あった。
(Problems to be Solved by the Invention) As described above, the conventional elevator door safety device includes a light emitter (12) and a light receiver (13) which are photoelectric devices that detect whether or not there is an obstacle at the car entrance/exit area. However, in both cases, the brackets (ll) are welded to the support columns (7a) and (7b).
a) and (llb), these setting positions, that is, the position of the optical axis (A), are determined at the time of elevator manufacturing, and the entrance and exit pillars (llb) are determined at the time of elevator manufacturing.
10) optical axis through holes (10c) and (10d) were to be drilled. Therefore, if the type of cargo is specified in advance, it is reasonable to fix the setting position of the photoelectric device, but the type of cargo may not be specified until the elevator is actually used after installation. In many elevators, such as the above-mentioned conventional elevators, the set position of the optical axis (A) is fixed at the time of manufacture, but the problem is that even if you want to change the height or angle of the optical axis after installation, you cannot change it. there were.

本発明は叙上の点に鑑み、積荷に合わせて光軸の高さや
角度を自由に変えることのできるエレベータ扉の安全装
置を得ることを目的とする。
In view of the above points, it is an object of the present invention to provide a safety device for an elevator door that can freely change the height and angle of the optical axis according to the cargo.

(課題を解決するための手段) 本発明に係るエレベータ扉の安全装置は、各ブラケット
の支持柱への取付部位にそれぞれ該支持柱に対する締付
は機構を設けてその設置高さを変更可能とするとともに
、投光器および受光器をそれぞれのブラケットに対し縦
方向揺動可能に枢着固定して、かご出入口部での光軸高
さおよび角度を変更可能に構成したものである。
(Means for Solving the Problems) The elevator door safety device according to the present invention is provided with a mechanism for tightening each bracket to the support column at the attachment site thereof to the support column, so that the installation height thereof can be changed. At the same time, the light projector and the light receiver are pivotally fixed to their respective brackets so as to be swingable in the vertical direction, so that the height and angle of the optical axis at the car entrance/exit portion can be changed.

(作用) 本発明においては、積荷の種類の応じて各ブラケットの
支持柱への取付は高さ位置を変更することにより光軸高
さを変えることができるとともに、これらブラケットに
対する投光器および受光器の取付角度を変更することに
より光軸角度を変えることが可能となる。
(Function) In the present invention, the optical axis height can be changed by changing the height position of each bracket on the support column depending on the type of cargo, and the height of the light emitter and receiver can be changed with respect to these brackets. By changing the mounting angle, it is possible to change the optical axis angle.

〔実施例〕〔Example〕

以下、従来に相当する部分には同一符号を付して示す第
1図乃至第6図の一実施例に基づき本発明を説明すると
、本実施例のエレベータ扉の安全装置は、投光器(12
)および受光器(13)が取付けられる各ブラケット(
15)の各支持柱(7a)、(7b)への取付部位に、
それぞれ支持柱外周面形状に沿うコ字状折曲部(15a
)が設けられているが、左右ブラケットとも同形状を有
しているので、第2図乃至第4図に、右側のブラケット
のみ示して説明する。ブラケット(15)の上記折曲部
(15a)にて対向する両片(15b)、(15c)の
コ字状開ロ側部位には締付はボルト(16)用の通し穴
が穿設され、このボルト(16)の貫通端にナツト(1
7)を装着して締付けることにより、当該ブラケット(
15)はその両片(15b)、(15c)間隔を狭めて
上記支持柱に締付固定できるようになっている。また、
ブラケット(15)には上記ボルト・ナツト(16)、
(17)による支持柱への取付時の誤差を補正し易くす
るために、その光電装置取付部(15d)にL形小片(
18)がその一方の面(18a)をねじ(19)によっ
て取付けられており、光電装置の投光器(12)および
受光器(13)はこれら小片(18)の他方の面(18
b)の下部に設けた図示しない小径孔と上部においてこ
の小径孔を中心とする円弧状に形成された長孔(18c
) とに挿通する取付ねじ(20a)、(20b)によ
り、上記長孔(16c)の範囲内で縦方向揺動可能に枢
着固定されるようになっている(第3.4図)。
Hereinafter, the present invention will be explained based on an embodiment in FIGS. 1 to 6, in which parts corresponding to the conventional ones are denoted by the same reference numerals.
) and each bracket to which the receiver (13) is attached (
15) at the attachment site to each support column (7a), (7b),
U-shaped bent portions (15a
), but since both the left and right brackets have the same shape, only the right bracket will be shown and explained in FIGS. 2 to 4. A through hole for a tightening bolt (16) is drilled in the U-shaped open side portions of both pieces (15b) and (15c) that face each other at the bent portion (15a) of the bracket (15). , a nut (1) is attached to the through end of this bolt (16).
7) by attaching and tightening the bracket (
15) has its two pieces (15b) and (15c) narrowed in distance so that it can be tightened and fixed to the support column. Also,
The above bolts and nuts (16) are attached to the bracket (15),
In order to make it easier to correct the error caused by (17) when attaching to the support column, an L-shaped small piece (
18) are attached on one side (18a) by screws (19), and the emitter (12) and receiver (13) of the photoelectric device are attached to the other side (18) of these pieces (18).
b) A small diameter hole (not shown) provided in the lower part of the hole and a long hole (18c) formed in an arc shape centered on this small diameter hole in the upper part.
) The mounting screws (20a) and (20b) inserted through the slots allow the shaft to be pivotally fixed within the range of the elongated hole (16c) (Fig. 3.4).

したがって、光電装置は、左右のブラケット(15)、
(15)の取付は高さ位置をボルト(16)を弛めて変
更することにより光軸(^)高さを変更することができ
るとともに、小片(18)の長孔(18c)に挿通する
取付ねじ(20b)を弛めて両投受光器(12)、(1
3)の角度を変更することにより光軸(A)角度を変え
ることができるようになっている(第1図)。
Therefore, the photoelectric device includes left and right brackets (15),
When installing (15), the height of the optical axis (^) can be changed by changing the height position by loosening the bolt (16), and it is inserted into the long hole (18c) of the small piece (18). Loosen the mounting screws (20b) and attach the double emitter/receiver (12), (1
By changing the angle of 3), the angle of the optical axis (A) can be changed (Fig. 1).

ところで、本実施例では光電装置の光軸(A)の設定位
置(高さ・角度)を変更可能としているのに対応させて
、出入口柱(10)の前端縁部(10b)に穿設する光
軸貫通穴を縦方向の長孔(10e)として形成している
(第5図)、シかしこの長孔(10e)のままでは見栄
えが悪いので、上記前i4縁部(10b)の背面に裏板
(21)を配置し、この裏板(21)の上記長孔(le
e)に対応する位置には従来同様の貫通穴(21a)、
(21b)を穿設するとともに、該裏板前端折曲部(2
1c)に複数の長孔(21d)を設け、これら長孔(2
1d)を出入口柱(10)側の前端折曲部(10f) 
に穿設した穴(10g)、(1(lh)に合致させ、ね
じ(22)、ナツト(23)によって締付けることによ
り、該裏板(21)を出入口柱(10)に取付は固定で
きるようにしている。したがって、裏板(21)は上記
出入口柱(10)への取付位置すなわち貫通穴(21a
)、(21b)の設定位置を光軸(A)の高さや角度に
応じて上下方向に調整できるようになっている。
By the way, in this embodiment, a hole is provided in the front end edge (10b) of the entrance/exit post (10) to correspond to the fact that the set position (height/angle) of the optical axis (A) of the photoelectric device can be changed. The optical axis through hole is formed as a vertical long hole (10e) (Fig. 5). However, since the long hole (10e) looks bad as it is, the back side of the front i4 edge (10b) is A back plate (21) is placed in the back plate (21), and the elongated hole (le
At the position corresponding to e), there is a through hole (21a) similar to the conventional one,
(21b) and the front end bent portion (21b) of the back plate.
A plurality of long holes (21d) are provided in 1c), and these long holes (21d)
1d) to the front end bent part (10f) on the doorway pillar (10) side.
The back plate (21) can be fixed to the entrance/exit post (10) by matching the holes (10g) and (1(lh)) drilled in the hole and tightening with the screws (22) and nuts (23). Therefore, the back plate (21) is attached to the entrance pillar (10) at the mounting position, that is, the through hole (21a).
), (21b) can be adjusted in the vertical direction according to the height and angle of the optical axis (A).

上記構成を有するため、本実施例のエレベータ扉の安全
装置は、積荷の種類に合わせて容易に光電装置の光軸(
A)高さや角度を変更することができ、仕込製産が可能
となり、検出精度を向上させることができる。
Because it has the above configuration, the elevator door safety device of this embodiment can easily adjust the optical axis (
A) It is possible to change the height and angle, enabling batch production and improving detection accuracy.

なお、上記実施例では支持柱に対するブラケット(15
)の締付は機構としてボルト・ナツト(1B)、(17
)を用いたものを示したが、これを例えばばね力を利用
したピンチ状の締付は機構としてもよく、このような場
合でも上記同様の作用効果を奏する。
In addition, in the above embodiment, the bracket (15
) are tightened using bolts and nuts (1B) and (17
), but this may be used as a pinch-like tightening mechanism using, for example, a spring force, and even in such a case, the same effect as described above can be achieved.

〔発明の効果〕〔Effect of the invention〕

以上述べたように、本発明によれば、光軸の高さや角度
を容易に変更することができ、汎用性が高く、検出精度
が向上するという効果がある。
As described above, according to the present invention, the height and angle of the optical axis can be easily changed, the versatility is high, and the detection accuracy is improved.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本発明装置の一実施例を示す正面図、第2図は
光電装置の一方の取付は状態を示す斜視図、第3図はそ
の平面図、第4図はその正面図、第5図は出入口柱の要
部を示す斜視図、第6図はその背面に装着される裏板の
斜視図、第7図は従来装置の全体構成を示す斜視図、第
8図はその正面図、第9図はその要部を示す第2図相当
図、第10図はその要部を示す第5図相当図、第11図
はそのエレベータ扉部を示す横断面図である。 (2)・・・かご、     (3)・・・床、(4)
・・・支持枠、    (5)・・・敷居、(6a) 
、 (6b)−・・側壁、 <7a>、 <7b>・*
持柱、(8a) 、 (8b) ・・・屏、  (9)
・・・開閉装置、(9a)・・・枠体、     (1
0)・・・出入口柱、(10b)・・・前端縁部、 (10a)−・・長孔(出入口柱の孔)、(12)・・
・投光器、   (13)・・・受光器、(15)・・
・ブラケット、 (18)・・・小片、     (18c)・・・小片
の長孔、(20a) 、 (20b) ・・・投光器お
よび受光器の取付ねじ、(A) −・・光軸。 なお、 各図中、 示す。 同一符号は同−又は相当部分を
Fig. 1 is a front view showing one embodiment of the device of the present invention, Fig. 2 is a perspective view showing how one of the photoelectric devices is installed, Fig. 3 is a plan view thereof, and Fig. 4 is a front view thereof. Fig. 5 is a perspective view showing the main parts of the entrance/exit post, Fig. 6 is a perspective view of the back plate attached to the back side of the door post, Fig. 7 is a perspective view showing the overall configuration of the conventional device, and Fig. 8 is its front view. , FIG. 9 is a view corresponding to FIG. 2 showing the main part, FIG. 10 is a view corresponding to FIG. 5 showing the main part, and FIG. 11 is a cross-sectional view showing the elevator door. (2)...basket, (3)...floor, (4)
...Support frame, (5) ...Sill, (6a)
, (6b)--side wall, <7a>, <7b>・*
Holding pillar, (8a), (8b)...folding, (9)
... Switching device, (9a) ... Frame, (1
0)...Entrance post, (10b)...Front edge, (10a)...Elongated hole (hole of the entrance/exit post), (12)...
・Emitter, (13)...Receiver, (15)...
-Bracket, (18)...Small piece, (18c)...Elongated hole in the small piece, (20a), (20b)...Mounting screws for emitter and receiver, (A) -...Optical axis. In addition, in each figure, it is shown. The same symbols indicate the same or equivalent parts.

Claims (1)

【特許請求の範囲】[Claims]  エレベータかごの出入口床部に横設され、かご床の支
持枠に固定された敷居と、かご側壁の一部を成し、かつ
前端縁部が上記敷居部位まで延設されてかご出入口の側
部のカバーを形成する出入口柱と、かご出入口両側の側
壁外方に配置され、上記支持枠に立設固定されて上部に
扉開閉装置の枠体を架設支持して成る一対の支持柱と、
これら支持柱にそれぞれブラケットを介し装着され、か
ご扉よりも外方位置にて上記出入口柱のカバー部に穿設
した孔を介し対向配置されてかご出入口部位で障害物の
有無を検出する投光器および受光器とを備えたエレベー
タ扉の安全装置において、上記各ブラケットの支持柱へ
の取付部位にそれぞれ該支持柱に対する締付け機構を設
けてその設置高さを変更可能とするとともに、上記投光
器および受光器をそれぞれのブラケットに対し縦方向揺
動可能に枢着固定して、かご出入口部での光軸高さおよ
び角度を変更可能に構成したことを特徴とするエレベー
タ扉の安全装置。
A sill installed horizontally on the elevator car doorway floor and fixed to the support frame of the car floor, and a sill that forms part of the car side wall and whose front edge extends to the sill area and is the side part of the car doorway. a pair of support columns arranged on the outside of the side walls on both sides of the car entrance and fixed to the support frame, with a frame of a door opening/closing device erected and supported on the upper part;
A floodlight is attached to each of these support pillars via a bracket, and is arranged facing outward from the car door through a hole drilled in the cover of the entrance pillar to detect the presence or absence of an obstacle at the car entrance. In the safety device for an elevator door equipped with a light receiver, a tightening mechanism for the support pillar is provided at the attachment site of each of the brackets to the support pillar, so that the installation height can be changed, and the above-mentioned light emitter and light receiver A safety device for an elevator door, characterized in that the height and angle of the optical axis at the car entrance/exit part can be changed by pivotally fixing the brackets to each bracket so as to be swingable in the vertical direction.
JP16971488A 1988-07-07 1988-07-07 Safety device for elevator door Pending JPH0218285A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16971488A JPH0218285A (en) 1988-07-07 1988-07-07 Safety device for elevator door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16971488A JPH0218285A (en) 1988-07-07 1988-07-07 Safety device for elevator door

Publications (1)

Publication Number Publication Date
JPH0218285A true JPH0218285A (en) 1990-01-22

Family

ID=15891505

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16971488A Pending JPH0218285A (en) 1988-07-07 1988-07-07 Safety device for elevator door

Country Status (1)

Country Link
JP (1) JPH0218285A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005105653A1 (en) * 2004-04-30 2005-11-10 Mitsubishi Denki Kabushiki Kaisha Door safety device of elevator
US7987938B2 (en) 2007-03-30 2011-08-02 Honda Motor Co., Ltd. Cooling device for motorcycle engine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005105653A1 (en) * 2004-04-30 2005-11-10 Mitsubishi Denki Kabushiki Kaisha Door safety device of elevator
US7987938B2 (en) 2007-03-30 2011-08-02 Honda Motor Co., Ltd. Cooling device for motorcycle engine

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