KR100900692B1 - A device for preventing elevator door from separating - Google Patents

Abstract

A device for preventing an elevator door from being separated is provided to fix an elevator door adamantly by maintaining that a guide shoe adhering to the lower part of door is adamantly fixed to a door sill in case of door closing. A device for preventing an elevator door from being separated comprises an elevator door(100), a door guide shoe(300), a door sill(200), a fastening body(400) and a receiving body(500). The fastening body comprises a push key, a fastening member and a returning spring. The push key is inserted inside the receiving body and is contacted with the receiving body inner wall and is pressed. The fastening member is protruded with the appearing and disappearing operation of the push key to the outer side of the fastening body. The returning spring returns the fastening member. The receiving body comprises a fastening body receiving groove, a wall and a fastening member receiving groove. The fastening body is inserted into the fastening body receiving groove. The push key is contacted with the wall when the fastening body is inserted into the fastening body receiving groove.

Description

A device for preventing elevator door from separating}

The present invention relates to an elevator door departure prevention device, and in detail, when the elevator door is closed, the guide shoe attached to the lower part of the door can be firmly fixed to the door seal so that the elevator door is pushed by an external impact. It is to prevent falling accidents due to unintentional opening of the elevator door by keeping it firmly fixed without being lifted or lifted.

The conventional elevator door sill is inserted into the groove of the door guide shoe, so that in a normal door operating environment, the door guide shoe travels along the groove without leaving the door seal, and the door guide shoe is operated even when the door is closed. Do not leave the room.

However, if the door is lifted by external physical force or impacted in the direction of the hoistway while the door is closed, the door or the door guide shoe will bend and be released from the door seal, and the door will be pushed toward the hoistway. The occupant is in danger of falling onto the hoistway.

Conventional elevator doors are always exposed to the fall of passengers due to the departure of the door, which may occur due to carelessness or mischief of the passenger, wear of the door shoe due to prolonged use, deformation of the door, adjustment of the wrong door shoe buried, etc. The casualties of falling accidents should be prevented.

On the other hand, the door shoe installed in the lower portion of the elevator door is installed to be guided to the fixed door seal and has a mounting structure in which only the shoe portion is inserted from the top to the bottom of the door seal groove. The door shoe has a structure in which the installation structure is inserted downward from the door seal, so that the door shoe fixed to the door by the bolts connected to the door is lifted up and detached from the door seal due to the depression, bending or deformation of the door due to external impact. In addition, the shoe of the door shoe is worn and the play of the door seal groove is generated, so that the connection piece and the mounting bracket part are easily bent due to the external shock, thereby causing a problem of being separated from the door seal. In addition, the separation rate of the door also greatly depends on the amount of the shoe of the door shoe in the door seal groove, foreign matters accumulate in the door seal groove, thereby preventing the sliding of the shoe in the door seal, causing a failure of the elevator.

The present invention has been made in order to solve the above problems, an object of the present invention is to provide a guide shoe attached to the lower part of the door in a state in which the elevator door is closed, so that the elevator door can be firmly fixed to the door seal, It is to prevent the accident from falling due to the unintentional opening of the elevator door by holding it firmly fixed without being pushed or heard by the impact.

In order to achieve the above object, the present invention provides a door guide shoe composed of an elevator door slidably installed, a fixed plate fixed to a lower portion of the elevator door, and a guide shoe body formed under the fixed plate, and the door guide shoe. An elevator door departure prevention device including a door seal having a guide groove for guiding, comprising: a locking body protruding from a side of the guide shoe body facing each other; A receiver fixedly installed at a middle portion of the door guide shoe to lock the latch when the elevator door is closed and to open the latch when the elevator door is opened; It provides a departure prevention device of the elevator door comprising a.

In the present invention, the locking member is inserted into the inside of the receptor and pressed in contact with the inner wall of the receptor while being pressed in and out of the locking body; It is made of a return spring for returning, the container comprises a receiving groove into which the locking body is inserted, the wall portion contacting the pressing key when the locking body is inserted, and the locking member receiving groove to which the locking member is caught.

In one embodiment of the present invention, the pressing key is formed in a cylindrical shape having a cylindrical surface on the outer side, the pressing portion formed to protrude toward the side of the guide shoe engaging body, and the side of the cylindrical surface Consisting of the guide protrusion and the push portion formed on the other side of the pressing portion is formed in a hemispherical shape to achieve the forward and backward motion, the engaging member is made of a plate shape, the hemispherical recess so as to be inscribed in the push portion on one side of the plate shape Is provided, the protruding engaging portion is formed on the other side of the plate shape.

In addition, in one embodiment of the present invention, the locking body includes a pressing key receiving hole for receiving the cylindrical surface of the pressing key, and a guide groove which is formed spirally on an inner surface of the pressing key receiving hole to receive the guide protrusion. The press key rotates to move forward and backward.

In another embodiment of the present invention, the locking body is inserted into the receptor and pressed against the inner wall of the receptor while being pressed into and out of the locking body, and the return coil of the compression coil type spring to keep the pressing key protruding outward. And, it is made of a locking member which is protruded to the outside of the locking body by the indentation operation of the pressing key, the container is a receiving groove into which the locking body is inserted, the wall portion that the pressing key is contacted when the locking body is inserted, The locking member is formed to include a locking member accommodating groove, the pressing key is formed in the receiving groove is formed to maintain the state of the locking member is inserted around the middle portion of the pressing member in conjunction with the indentation operation of the pressing key, Provided is an elevator door departure prevention device that is secured to the receiver.

In this embodiment, the pressing key is formed with a receiving groove so as to maintain a state in which the locking member is fitted around the middle portion.

In the separation prevention device according to the present invention, the elevator door is smoothly opened and closed along the door seal by the sliding operation, and in the state in which the elevator door is closed, the locking body fixed to one side of the guide shoe attached to the lower door is in the middle of the door seal. Since it is inserted into the receiver fixed to the part to maintain the fixed state, it is not intended to maintain the firmly fixed state without being pushed or lifted by the impact received from the outside due to carelessness, mischief or wear of the door shoe. It has a useful effect that can prevent the fall accident due to the opening of the elevator door.

Hereinafter, with reference to the accompanying drawings, preferred embodiments that do not limit the present invention will be described in detail.

1 to 6 is shown the departure prevention device of the elevator door according to an embodiment of the present invention, Figure 1 is an overall configuration of the door departure prevention device of the present invention, Figure 2 according to the present invention The locking body and the receiver of the escape prevention device are shown. In addition, Figure 3 is a cross-sectional plan view showing the operating state of the departure prevention apparatus according to the present invention, showing the elevator door open state, Figure 4 is an enlarged view of portion A of Figure 3, Figure 5 Fig. 6 is a plan sectional view showing an operating state of the anti-separation device, showing an elevator door closed state, and Fig. 6 is an enlarged view of portion B of Fig. 5.

1 to 6, the separation prevention apparatus according to the present embodiment, the elevator door 100 is installed slidably, the fixing plate 310 is fixed to the lower portion of the elevator door 100 and the fixing plate 310 A door seal (200) having a door guide shoe (300) formed of a guide shoe body (320) formed at a lower part of the head), and a guide groove (210) for guiding the door guide shoe (300); A catching member 400 protruding from the side surface of the guide shoe body 320 facing each other; Receptacle 500 that is fixed to the middle portion of the door seal 200 when the elevator door 100 is closed when the locking body 400 is determined and the elevator door 100 is opened, the locking body 400 is released ; Consists of including.

In the present embodiment, the two-door simultaneous opening and closing method in which the pair of left and right doors 100a and 100b in which the elevator door 100 is arranged symmetrically is simultaneously opened and closed, but the present invention is not limited thereto. As is the case in the patient elevator installed in the two doors can be applied to the one-sided open and close elevator that opens and closes in either direction.

In the present embodiment, the locking body 400 is inserted into the receptor 500 as shown in FIG. 2 and pressed into contact with the inner wall of the receptor 500 while being pressed in and out of the locking body 400. In addition, the locking member 420 is shown on the outside of the locking body 400 by the appearance of the pressing key 410, and the return spring 430 for returning the locking member 420.

In addition, in the present embodiment, the receptor 500 has a wall receiving portion 512 in which the locking body accommodating groove 510 into which the locking body 400 is inserted and the pressing key 410 contact with each other when the locking body 400 is inserted. ), And the locking member accommodating groove 514 on which the locking member 420 is engaged.

In the present embodiment, the pressing key 410 forming the locking body 400 is formed in a cylindrical shape having a cylindrical surface 414 on the outer side, and the upper portion of the cylindrical shape is formed in the guide shoe locking body 400. It comprises a pressing portion 412 protruding to the side, a guide protrusion 416 protruding on the side of the cylindrical surface 414, and a push portion 418 formed in a hemispherical shape on the other side of the pressing portion 412 have.

In addition, in the present embodiment, the locking member 420 is formed in a plate shape, and provided with a hemispherical recess 422 on the one side of the plate shape to be inscribed in the push unit 418, the other side of the plate shape A protrusion engaging portion 424 is formed.

The external shape of the locking member 420 may be a simple rectangular shape as shown in the drawing, but it is preferable to manufacture the insertion and release operation, that is, the locking function, by smoothly processing the outer corners. The material of the locking member 420 is preferably made of stainless steel or other durable alloy so as to prevent a failure due to breakage during use.

In addition, in the present embodiment, the locking body 400 has a pressing key receiving hole 432 for receiving the cylindrical surface 414 of the pressing key 410 and a spiral formed on an inner surface of the pressing key receiving hole 432. And a guide groove 434 for accommodating the guide protrusion 416.

It is preferable that the inclination of the guide groove 434 is formed relatively smoothly at an angle at which the pressing key 410 is rotated by the pressing operation of the pressing key 410 and the advancing / reducing operation is performed. When the pressing key 410 is rotated during the advancing and moving operation, the operation of pushing the locking member 420 to the outside when the contact with the locking member 420 is made smoothly, and the pressing key 410 Since the guide protrusion 416 of the) is maintained in the guide groove 434, the pressing key 410 can be prevented from being completely separated from the locking body 400.

In addition, a locking member receiving groove 436 in which the locking member 420 is accommodated is formed at a side of the locking body 400, and a tension is provided between two locking members 420 accommodated in the locking member receiving groove 436. Coil-type return spring 430 is connected so that the locking member 420 acts as if the shutter of the camera, which is usually the locking member receiving groove 436 of the locking body 400 by the return spring 430 When the pressing key 410 is pressed, the pressing key 410 is opened by pushing the locking member 420 to the left and right sides, and the pressing key 410 is moved outward. When protruding, the locking member 420 is returned to its original position by the return spring 430.

Referring to the operation of the door departure prevention apparatus according to the present embodiment configured as described above are as follows.

First, as shown in FIGS. 3 and 4, the elevator door is opened or lowered in a state where the elevator door is opened, and in this state, the elevator doors 100a and 100b are open to the left and right sides of the boarding gate. The pressing key 410 of the locking body 400 installed inside the door guide shoe 300 attached to the lower part of the elevator door maintains a protruding state.

Meanwhile, when the elevator doors 100a and 100b are closed by the operation of an actuator (not shown) as shown in FIGS. 5 and 6, the door guide shoe 300 attached to the lower part of the elevator door is the door seal 200. A sliding body 400 which slides toward the center side along the guide groove 210 of the), and the locking body 400 attached to the inner side of the door guide shoe 300 is the locking body of the container 500 fixed to the center of the door seal 200. It is inserted into the receiving groove 510, the pressing key 410 protruding from the front end of the locking body 400 inserted into the locking body receiving groove 510 is the wall portion 512 inside the locking body receiving groove 510. When the pressing key 410 is pressed, the push part 418 of the pressing key 410 contacts and presses the hemispherical recess 422 of the locking member 420 to return the spring. 430 pushes the locking member 420 stored in the locking member accommodation groove 436 of the locking member 400 to the left and right sides. The protrusion catching portion 424 of the catching member 420 is inserted into the catching member accommodating groove 514 formed in the left and right sides of the catching body accommodating groove 510 of the receiver 500, and as a result, the elevator door. In the closed state, the door guide shoe 300 is locked to the container 500 which is fixed at the center of the door seal 200, thereby preventing the elevator door from being lifted or pushed.

On the other hand, when the elevator door is opened by the actuator first the locking body 400 is separated from the locking body receiving groove 510 of the receptor 500, in this case, the pressing key 410 first to the outside of the locking body 400 The locking member 420, which is caught by the pressing key 410, is opened to the outside by the locking member receiving groove 514 of the container 500, and returns to its original position by the restoring force of the return spring 430. While the locking state of the locking member 420 is released, the locking body 400 is separated.

7 and 8 are cross-sectional view showing a departure prevention device of the elevator door according to another embodiment of the present invention, Figure 7 is a view showing a state in which the locking body and the receptor is separated in the elevator door open state, Figure 8 illustrates a state in which the locking body is accommodated inside the container while the elevator door is closed.

In this embodiment, the locking body 400 is inserted into the container 500, and thus the elevator door is prevented from being lifted or pushed by the locking, so that the basic structure is the same as the first embodiment, but the locking body ( The shape of the pressing key 410 of the 400 and the shape of the locking member 420 and the shape of the locking member receiving groove 514 of the container 500 to which the locking member 420 is caught will be described in detail. Same as

In the present embodiment, the pressing key 410 is normally pushed outward by the compression coil type return spring 430 ', and the ball (steel ball) is formed around the middle of the pressing key 410. Receiving groove 415 is formed to maintain the locking member 420 is fitted, the locking member 420 accommodated in the receiving groove 415 protrudes to the left and right sides of the locking body 400 A hole 435 can be formed.

On the other hand, the locking member receiving groove 514 is formed on the left and right sides of the locking body receiving groove 510 of the container 500 into which the locking body 400 is fitted, which is caught when the locking member 420 protrudes outward.

In the drawing, reference numeral 413 denotes a locking step for preventing the pressing key 410 from being separated outward, and reference numeral 417 denotes a male screw portion for screwing the locking body 400 to the door guide shoe 300.

In this embodiment configured as described above, when the elevator door is closed, the locking body accommodating groove 510 of the container 500 in which the locking body 400 attached to the inner side of the door guide shoe 300 is fixed to the center of the door chamber 200. ), The pressing key 410 protruding from the front end of the locking body 400 inserted into the locking body receiving groove 510 is pressed against the wall portion 512 inside the locking body receiving groove 510. When the pressing key 410 is pressed, the locking member 420 accommodated in the receiving groove 415 formed around the pressing key 410 is pushed outward, and the locking member 420 is pushed out. Protruding to the outside of the locking body 400 is inserted into the locking member receiving groove 514 formed left and right in the locking body receiving groove 510 of the receptor 500 is caught.

In addition, in the present embodiment, when the elevator door is opened by the actuator, the locking body 400 is first detached from the locking body receiving groove 510 of the receiver 500. In this case, the pressing key 410 is the return spring 430 first. The locking member 420 which protrudes outward while being retracted to the outside of the locking body 400 by the restoring force of ') is retracted while being received in the receiving groove 415 formed around the pressing key 410, and thus the locking member ( Since the ruled state of 420 is released, the locking body 400 is separated.

1 is a perspective view of an elevator door with a departure prevention apparatus according to the present invention,

Figure 2 is an exploded perspective view of a part of the locking body and the container of the departure prevention device according to the present invention,

Figure 3 is a cross-sectional view showing the operating state of the departure prevention apparatus according to the present invention, the elevator door is open,

4 is an enlarged view of a portion A of FIG. 3;

Figure 5 is a plan sectional view showing an operating state of the departure prevention apparatus according to the present invention, the elevator door is closed,

6 is an enlarged view of a portion B of FIG. 5;

7 is a cross-sectional view of the locking body and the container of the door departure prevention apparatus according to another embodiment of the present invention,

8 is a cross-sectional view showing a state in which the locking body is inserted into the container in FIG.

* Explanation of symbols for main parts of the drawings

100,100a, 100b: elevator door 200: door seal

210: guide groove 300: door guide shoe

310: fixed plate 320: guide shoe body

400: locking member 410: pressing key

412: pressing part 413: locking jaw

414: cylindrical surface 415: receiving groove

416: guide protrusion 417: male threaded portion

418: push part 420: locking member

422: hemispherical recess 424: protrusion engaging portion

430,430 ': return spring 432: push key receiver

434: Guide Home 500: Receptor

510: locking body receiving groove 512: wall portion

514: catching member receiving groove

Claims (7)

delete A door guide shoe 300 comprising a elevator door 100 slidably installed, a fixed plate 310 fixed to a lower portion of the elevator door 100, and a guide shoe body 320 formed under the fixed plate 310. And a door seal 200 having a guide groove 210 for guiding the door guide shoe 300 and a locking body protruding from a side of the guide shoe body 320 facing each other. 400 and the locking body 400 is fixedly installed at the middle portion of the door seal 200 when the elevator door 100 is closed, and when the elevator door 100 is opened, the locking body 400 is released. In the elevator door departure prevention device comprising a container (500); The locking body 400 is inserted into the receptor 500 and pressed in contact with the inner wall of the receptor 500 while being pressed in and out of the locking body 400, and the indenting operation of the pressing key 410. It consists of a catching member 420 to go out of the locking body 400 by the return spring 430 to return the locking member 420, The container 500 includes a locking body accommodating groove 510 into which the locking body 400 is inserted, a wall surface 512 to which the pressing key 410 contacts when the locking body 400 is inserted, and the locking member. Elevation preventing device of the elevator door, characterized in that it comprises a locking member receiving groove 514 is caught (420). The method according to claim 2, The pressing key 410 is formed in a cylindrical shape having a cylindrical surface 414 on the outer side, the pressing portion 412 and the upper portion of the cylindrical protruding toward the side of the guide shoe engaging body 400, and the Guide protrusion (416) protruding on the side of the cylindrical surface (414), and the departure prevention device of the elevator door, characterized in that it comprises a push portion (418) formed in the other side of the pressing portion (412). The method according to claim 3, The locking member 420 is formed in a plate shape, has a hemispherical recess 422 to be inscribed in the push portion 418 on one side of the plate shape, the protruding engaging portion 424 on the other side of the plate shape Elevation prevention device of the elevator door, characterized in that formed. The method according to claim 4, The locking body 400 is formed by pressing the receiving key 432 for receiving the cylindrical surface 414 of the pressing key 410, and spirally formed on the inner surface of the pressing key receiving hole 432, the guide protrusion 416 Elevation preventing device of the elevator door, characterized in that it comprises a guide groove (434) for receiving. A door guide shoe 300 comprising a elevator door 100 slidably installed, a fixed plate 310 fixed to a lower portion of the elevator door 100, and a guide shoe body 320 formed under the fixed plate 310. And a door seal 200 having a guide groove 210 for guiding the door guide shoe 300 and a locking body protruding from a side of the guide shoe body 320 facing each other. 400 and the locking body 400 is fixedly installed at the middle portion of the door seal 200 when the elevator door 100 is closed, and when the elevator door 100 is opened, the locking body 400 is released. In the elevator door departure prevention device comprising a container (500); The locking body 400 is inserted into the receptor 500 and pressed in contact with the inner wall of the receptor 500 while being pressed into and out of the locking body 400, and the pressing key 410 protrudes outward. A return spring 430 ′ to maintain a closed state, and a catching member 420 to squeeze out of the catching body 400 by the releasing action of the pressing key 410. The container 500 includes a locking body accommodating groove 510 into which the locking body 400 is inserted, a wall surface 512 to which the pressing key 410 contacts when the locking body 400 is inserted, and the locking member. Elevation preventing device of the elevator door, characterized in that it comprises a locking member receiving groove 514 is caught (420). The method according to claim 6, The pressing key 410 is an elevator door departure prevention device, characterized in that the receiving groove 415 is formed so as to maintain a state in which the engaging member 420 is fitted around the middle portion.

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