KR100742315B1 - A breakaway preventing apparatus for a door of elevator - Google Patents

Abstract

A breakaway preventing apparatus for an elevator door is provided to conveniently install the apparatus in a narrow space using a simple structure of the apparatus. A breakaway preventing apparatus for an elevator door includes support brackets(10,10A), and stopper members(20,20A). The support brackets are bent at outer surfaces of the elevator door and a platform door to have a certain length to prevent interference with rails(115,125). The stopper members are disposed at outer surfaces of lower parts of the doors to prevent separation of the doors due to a pressure or an impact applied to the doors. The support brackets and the stopper members are opposite to each other and readily installed in a narrow space without any interference. The stopper members are installed at a lower part of the elevator door. A fixing frame is mounted on a lower surface of the elevator.

Description

Breakaway preventing apparatus for a door of elevator

1 is a schematic front view of the main portion of the present invention installed on the landing door.

2a is a schematic side cross-sectional view according to FIG. 1;

2b shows a schematic main cross-sectional view according to FIG. 2a;

3 is a main view schematically showing another embodiment of the present invention.

Figure 4 is a main part schematically showing another embodiment of the present invention.

5 is a main view schematically showing another embodiment of the present invention.

Figure 6a is a main part schematically showing another embodiment of the present invention.

FIG. 6B is a schematic view schematically showing another embodiment of FIG. 6A; FIG.

7A is a front view schematically illustrating a main part of a general elevator structure.

FIG. 7B is a schematic side view in cross section according to FIG. 7A; FIG.

Explanation of symbols for the main parts of the drawings

10,10A: Support Bracket

   12,12a: Fixed frame 14,14a: Fixed bracket

20,20A: Stopper means

30 sensor

   32: sound emitting means

40: extension frame

   42: locking part

50: mounting bracket

60: mounting portion

   62: side 63: long hole

   65: blocking bracket

100: elevator

   110: elevator car 112: elevator car door

   115,125: rail 115a, 125a: guide groove

   115b, 125b: Base frame

   120: platform 122: platform door

The present invention relates to a door departure prevention device that is opened and closed to the left and right of the elevator, more specifically, due to the simple structure of each door of the existing elevator or each door of the newly installed elevator is made easy installation and applied to the door The present invention relates to an elevator door departure preventing device that is capable of ensuring maximum safety by preventing the door from being pushed toward the hoistway by losing pressure or impact.

In general, an elevator is a hoisting car installed on a hoistway provided in a high-rise building to vertically move up and down by driving a hoisting machine to quickly and smoothly move passengers between floors. The installation of safety devices has thus emerged as an essential element.

The general elevator 100 provided in the building as described above is an elevator car 110 having an elevator car door 112 that opens and closes for passengers to board in the hoistway 102 as shown in FIGS. 7A and 7B. Is provided to be lifted, lowered by the hoist, the landing hall 120 of each floor of the building is provided with a landing door 122 that opens and closes when the elevator car arrives and moves.

As such, the elevator is provided with a car door provided in the car and a board door provided in the board, and is provided to be opened and closed according to the passengers' boarding. Each of the car door 112 and the board door 122 are As shown in the installation provided in the lower portion of the doors 112 and 122 on the guide grooves 115a and 125a of the rails 115 and 125 embedded in the lower surface of the elevator car and the bottom of the platform. As the bracket 132, a shoe 130 of synthetic resin such as rubber is mounted by the connecting piece 134, and the shoe is inserted into the guide groove to be opened and closed while sliding.

However, each of the doors 112 and 122 provided in such a conventional elevator, in particular, the door of the landing is simply guided into the guide grooves of the rail, the guide groove is due to the wear of the shoe due to frequent opening and closing of the shoe. There is a large defect in safety because the accident of the user falling to the hoistway frequently occurs while the door is pushed toward the hoistway by being released from the shoe guiding groove by the pressure or impact applied from the outside of the door or the like.

Accordingly, various types of safety devices were installed to prevent the doors from being pushed toward the hoistway. However, it was difficult to provide safety devices due to the narrow space in which the elevator doors, that is, the car door and the door of the hoistway, were installed. .

Accordingly, the present invention has been made to solve the conventional problems as described above, the object is that the installation is made easy because of the simple structure in the narrow space of each door of the existing elevator or each door of the newly installed elevator It is to ensure maximum safety by preventing the door from being pushed toward the hoistway by the pressure or shock applied to the door.

Another object of the present invention is to make it easy to confirm acoustically when the pressure or impact applied to the door is pushed.

Still another object of the present invention is to ensure safety by a simpler structure.

Another object of the present invention is to form a stopper means with a simpler structure.

The present invention for achieving the above object is provided with a hoisting car with a hoisting car door that is opened and closed on a rail to allow passengers to board the hoistway, is provided by the hoisting machine, the hoisting, each floor of the building the hoisting In the elevator door departure prevention device provided with a landing door that opens and closes on the rail when the car arrives and moves, a predetermined length downward of the elevator car door and the landing door facing each other without interfering with each rail. A support bracket mounted to have a; Located at the lower side of each door to the outer surface of each support bracket and provided with each stopper means provided to prevent the door from being pushed out due to the pressure or impact applied to the door side, the support bracket and the stopper of the corresponding position The means is characterized in that it is provided in the shifted position which does not overlap each other.

The stopper means provided at the lower portion of the elevator car door is characterized in that the fixing bracket is mounted to the fixed frame mounted on the lower surface of the elevator car so that the support bracket is mounted so as not to be pushed outward.

The stopper means provided at the lower part of the landing door is configured to include a fixing bracket mounted on the fixing frame mounted on the wall of the lower rail so that the support bracket is not pushed outward.

The fixing bracket of each stopper means is provided with a sensing sensor for sensing the contact when the support bracket is pushed, the sensing sensor is characterized in that the acoustic emission means for emitting a signal sound according to the signal of the sensing sensor is connected .

Each of the support brackets is formed with a hook portion which is bent in a hook form at the bottom end, and each stopper means positioned at the lower portion is extended to one end of each rail to be configured as an extension frame portion at which the hook portion is caught and supported. It features.

Each stopper means is a mounting bracket which extends from the supporting frame on which each rail is installed and is located on the outer surface of the support bracket so that the support bracket is not pushed.

The stopper means is characterized in that the mounting portion is formed in the middle and bent symmetrically to both sides is formed integrally with the blocking bracket located on the outer surface of the support bracket.

The blocking bracket is separated from the side of the mounting portion is characterized in that the mounting surface formed on the blocking bracket is fastened by a long hole formed on the side of the mounting portion to adjust the position before and after the mounting portion.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings by describing the same technical configuration as described above.

1 is a schematic main front view of the present invention installed in the landing door, Figure 2a is a schematic main sectional side view according to Figure 1, Figure 2b is a schematic main plan sectional view according to Figure 2a.

As shown, the elevator car 110 is provided with a lift car door 112 that is opened and closed on the rail 115 to allow passengers to board the hoistway 102 is provided to be moved up and down by the hoist, each floor of the building In the landing 120 is a departure prevention device of the elevator door 100 is provided with a landing door 122 that opens and closes on the rail 125 when the landing car arrives and moves,

The present invention, even in a narrow space of each door of the existing elevator or each door of the newly installed elevator is easy to install due to the simple structure and prevents the door from being pushed out of the hoistway by the pressure or shock applied to the outside In order to ensure maximum safety,

One or more burners are bent at one or more times on the corresponding outer surfaces of the hoist car door 112 and the hoist door 122 so as to have a predetermined length downward without being interfered with the rails 115 and 125. Each of the support brackets 10 and 10A;

Located at the lower side of each of the doors 112 and 125 to the outer surface of each support bracket is provided with each stopper means (20, 20A) is provided so that the door is not pushed out due to the pressure or impact applied to the door side. However, the support brackets 10 and 10A and the stopper means 20 and 20A at positions corresponding to each other are provided at offset positions which do not overlap each other, thereby interfering in a narrow space between the car door and the landing door. Easily installed without showing that opening and closing of each door is provided so as not to cause trouble.

The stopper means 20 provided below the elevator car door 112 is bent upward so that the support bracket 10 is not pushed outward to the fixed frame 12 mounted on the bottom of the elevator car 110. It is preferable that the fixed bracket 14 is mounted.

The stopper means 20A provided below the landing door 122 is bent upward so that the support bracket 10A is not pushed outward to the fixing frame 12a mounted to the wall below the rail 125. It is preferable that the fixed bracket 14a is mounted.

In the present invention configured as described above, only the landing door as an example, when a pressure or impact applied to the landing door in the landing occurs, the support bracket provided on the lower landing side of the landing door is provided in the lower portion of the support bracket. It is pushed toward the hoistway by the stopper means, ie, the fixed frame mounted on the lower wall of the rail in which the hoistway door is opened and closed by the fixing bracket which is bent upwardly and mounted to prevent the support bracket from being pushed toward the hoistway. Will not be supported.

Accordingly, the landing door is not pushed toward the hoistway by the pressure or impact applied to the door, so that the landing door is prevented from falling due to the landing door being pushed out of the hoistway, and thus has a condition to prevent falling accidents. It will have a condition that can be secured.

In addition, the elevator car door is also secured by the support bracket and the stopper means at the bottom of the elevator door so that the door is not separated from the elevator car by the pressure or impact generated from the elevator car door. You will have the conditions to be.

On the other hand, the support bracket and the stopper means provided at positions corresponding to each other of the hoist car door and the hoist door are provided in displaced positions which do not overlap each other, as shown in FIG. When the elevator car door and the landing door is opened and closed it is also provided with a condition that can be opened and closed smoothly without interference with each other in a narrow space.

3 is a main view schematically showing another embodiment of the present invention.

In the above configuration as shown, in order to be able to be made acoustically easily when each door is pushed toward the hoistway,

The fixing brackets 14 and 14a of the stopper means 20 and 20A are detected, for example, by a conventional limit switch that detects when the support brackets 10 and 10A are pushed by a pressure or an impact applied thereto. It is provided with a sensor 30, the detection sensor is provided with a sound emitting means (not shown), such as a speaker for emitting a signal sound, such as a warning sound by a control unit (not shown) in accordance with the signal of the detection sensor It is shown.

Accordingly, when the door is pushed by the pressure or shock generated in the landing or the elevator car and the support bracket mounted on the door is in contact with the detection sensor provided in the fixing bracket of the stopper means, the sound emitting means connected to the detection sensor is connected to the sound emitting means. By the sound emitted by the beep, such as a warning sound, the door is pushed to have a condition that can ensure a greater safety as it is audibly informed that there is a risk of departure.

4 is a main view schematically showing another embodiment of the present invention.

As shown in the above configuration, each stopper means provided to prevent the door from being pushed out of the support bracket and the support bracket is not provided with a separate fixing frame and the fixing bracket described above, but a simpler structure. In order to have it,

Each of the support brackets 10 and 10A is formed with a catching portion 42 having a bottom bent in the form of a hook inward, and each of the stopper means 20 and 20A located at a lower portion thereof is the rails 115. It is shown that the extension frame portion 40 is extended to one end of the 125 and the engaging portion 42 is caught and supported.

In the above, the extension frame may be integrally formed by welding or screwing separately from the rail and may be integrally formed when the rail is manufactured.

Accordingly, the stopper means described above is not formed of a separate fixing frame and a fixing bracket, but is integrally formed on a rail to which the door is opened and closed so that the door is pushed away by pressure or impact applied from the outside while having a simpler structure. It can be prevented.

5 is a main view schematically showing another embodiment of the present invention.

As shown in the above configuration, each stopper means provided to prevent the support brackets mounted on the doors from being pushed is integrally formed by integrally forming the parts provided when installing the rails without using the above-described separate fixing frame and fixing brackets. In order to have a simpler structure,

Each stopper means 20, 20A extends from the supporting frames 115b, 125b on which the rails 115, 125 are installed, and is located on the outer surface of the support brackets 10, 10A. This shows that the mounting bracket 50 is formed so as not to be pushed.

The mounting bracket may be mounted by welding or screwing to the support frame, or may be integrally formed when the support frame is manufactured.

Accordingly, since the mounting bracket for supporting the support bracket is integrally provided on the supporting frame provided at the time of rail installation without providing a separate fixing frame and fixing bracket for each stopper means described above, a simpler structure can be obtained. Conditions also have to be.

6A is a schematic view schematically showing another embodiment of the present invention.

In the above configuration as shown, in order to have a simpler structure of the stopper means provided in each of the lower portion of the elevator car door or the landing door,

The stopper means (20, 20A) is attached to the fixed frame 12 mounted to the elevator car in the middle or the mounting portion 60 is mounted directly to the fixed frame or wall of the lower door of the landing door is formed and bent symmetrically to both sides It is shown that the blocking bracket 65 is formed integrally on the outer surface of each of the support brackets (10, 10A).

Accordingly, the above-mentioned stopper means have to be provided separately and have the condition to install more simply and quickly.

FIG. 6B is a schematic view schematically showing another embodiment of FIG. 6A.

As shown in Figure 6a, in order to be able to adjust the position before and after the installation according to the condition to install the blocking bracket,

The blocking bracket 65 is a long hole (63) formed on the side of the mounting portion to be separated from the side 62 of the mounting portion 60 to adjust the position forward and backward of the mounting portion is formed on the blocking bracket It is shown that the surface 64 is fastened and fixed.

Accordingly, according to the condition to install the stopper means can be fastened and fixed the position of the blocking bracket to the desired position from the side of the mounting portion has a condition that can be easily installed without any limitation on the installation will be.

As described above, the present invention is easy to install due to the simple structure even in the narrow space of each door of the existing elevator or each door of the newly installed elevator, and the door is pushed toward the hoistway by the pressure or impact applied to the door. By preventing the falling off to ensure maximum safety, it can be easily applied to the existing elevators as well as excellent compatibility and has the effect that users can safely use without the risk of falling accidents.

In addition, when pressure or shock is applied to the door is pushed, it emits a beep so that it can be confirmed audibly, so that the user can quickly and accurately grasp the risk to ensure greater safety It also has an effect.

In addition, the stopper means is not provided as a separate part but is integrally provided with a rail or a part required for installing the rail, so that safety can be secured by a simpler structure without a separate part.

In addition, the stopper means are not provided individually, but are formed in one piece, so that the stopper means can be installed more quickly and simply.

In addition, by adjusting the locking bracket by adjusting the position of the stopper means before and after, there is also an effect that can be easily fixed to the desired position according to the installation conditions.

Claims (8)

An elevator car having an elevator car door that is opened and closed on a rail to allow passengers to board the elevator is provided to be lifted and lowered by a hoisting machine, and a platform on each floor of the building is provided with a platform door that is opened and closed on the rail when the elevator car arrives and moves. In the elevator door departure prevention device, A support bracket 10 mounted on the corresponding outer surfaces of the hoisting car door 112 and the hoisting door 122 so as to have a predetermined length downward without interfering with each of the rails 115 and 125 ( 10A); The stopper means 20 and 20A which are positioned on the outer side of each support bracket on the lower side of the door and are provided so that the door is not detached due to the pressure or impact applied to the door side are provided. Elevation preventing device of the elevator door, characterized in that the support bracket and the stopper means of the position is provided in a shifted position that does not overlap each other. The stopper means 20 provided below the elevator car door 112 is mounted on the fixed frame 12 mounted on the bottom of the elevator car so that the support bracket 10 is not pushed outward. Elevation preventing device of the elevator door, characterized in that consisting of the fixing bracket (14). The stopper means 20A provided below the landing door 122 is configured such that the support bracket 10A is not pushed outward by the fixing frame 12a mounted on the wall below the rail 125. Elevation preventing device of the elevator door, characterized in that consisting of a fixed bracket (14a) is mounted. The sensor 30 according to claim 2 or 3, wherein the support brackets 10 and 10A are pushed on the fixing brackets 14 and 14a of the respective stopper means 20 and 20A. And a sound emitting means (32) connected to the detection sensor to emit a beep according to the signal of the detection sensor. According to claim 1, wherein each of the support brackets (10) and (10A) is formed with a catching portion (42), the bottom of which is bent inwardly in the form of hooks, and each stopper means (20) (20A) located below it. Is an extension door of the elevator door, characterized in that consisting of an extension frame portion 40 is extended to one end of each of the rails (115) (125) to be caught and supported. According to claim 1, wherein each stopper means (20, 20A) is extended from the supporting frame (115b) (125b) in which each rail (115) (125) is installed to the outside of the support bracket (10) (10A) Elevation preventing device of the elevator door, characterized in that the mounting bracket 50 is formed on the side so that the support bracket is not pushed. According to claim 1, wherein the stopper means (20, 20A) is a mounting bracket 60 is formed in the middle and bent symmetrically on both sides of the blocking bracket 65 located on the outer surface of the support brackets (10) (10A) Elevation prevention device of the elevator door, characterized in that is formed integrally. The method of claim 7, wherein the blocking bracket 65 is separated from the side 62 of the mounting portion 60 to the long hole (63) formed on the side of the mounting portion to adjust the position before and after the mounting portion of the Elevation preventing device of the elevator door, characterized in that the mounting surface (64) formed on the blocking bracket is fastened and fixed.

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