KR20150107349A - Locking device for lifting door - Google Patents

Abstract

The present invention relates to a locking device for a lifting door, wherein a fixating part, a hinge part, a member, a protrusion, and an actuator are provided to prevent the opening of a lifting door. The locking device for a lifting door allows the lifting door to be opened only when passengers are getting on an elevator or the elevator is at a position of causing no falls of passengers through an elevator path.

Description

[0001] The present invention relates to a locking device for lifting door,

The present invention relates to an elevator door locking device, and more particularly, to a elevator door locking device capable of locking an elevator elevator door by using a device (device) capable of locking And a device capable of reducing the risk.

Generally, the elevator is equipped with a lift door to prevent a passenger from falling into the elevator passage.

Since the management of such an elevator is mostly carried out by the building manager with the key of the elevator door, any person can open the elevator door and fall into the elevator passage. Also, there has been a recent need for a device capable of opening the elevator door when the elevator is positioned so that the elevator is not placed on a person or falling into the elevator passage due to the recent elevator door accident due to the opening and closing of the elevator door.

The conventional elevator door has a problem in that a general person can manually open and close the elevator door without a separate safety device.

An elevator door safety device disclosed in Korean Patent No. 1,153,051 relates to a device for controlling a transfer device and a door using a detection sensor for detecting an object sandwiched between transfer doors, And there is a problem in that the elevator door can not be prevented from being opened when the elevator is not disposed at the landing position.

An elevator landing door supplemented with the departure-avoiding structure disclosed in Korean Patent No. 1,249,751 is related to an elevator landing door supplemented with a departure-preventing structure including a door panel and a guide shoe slidably engaged, , There is a problem that the elevator door is prevented from being opened when the elevator is not disposed at the landing position and there is no configuration for making the elevator door open when the elevator is disposed at the landing position.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above problems, and it is an object of the present invention to provide an elevator door locking device for an elevator, To provide a lift door locking device.

The technical object of the present invention is not limited to the above-mentioned technical objects and other technical objects which are not mentioned can be clearly understood by those skilled in the art from the following description will be.

To achieve the object of the present invention, there is provided an elevator door locking device according to an aspect of the present invention, the elevator door locking device comprising: a fixing part fixed to a wall of the elevator door; A hinge part provided at one end of the fixing part; A member connected to the hinge portion; A protrusion provided on one surface of the member, and an actuator for applying a force to the member in the direction of the folding door. The above-described problems can be solved by providing a locking door locking device.

According to the present invention, since the elevator door locking device is provided so as to be opened only when the elevator is located at the landing, it is possible to prevent the elevator safety accident from occurring due to the opening of the elevating door.

Further, since it is provided in a structure that only a predetermined space can be opened so that the position of the elevator can be confirmed, the elevator position can be grasped and the elevator can be safely repaired.

1 is a perspective view showing a door lock device according to an embodiment of the present invention.
2 is an enlarged perspective view of a locking door locking device according to an embodiment of the present invention.
FIG. 3 is a perspective view showing the elevation door locking device according to an embodiment of the present invention at another angle. FIG.
Fig. 4 is a perspective view showing that the loading door locking device according to the embodiment of the present invention prevents the opening of the loading door. Fig.
Fig. 5 is a perspective view showing the elevation door locking device according to the embodiment of the present invention at different angles to prevent the opening of the elevator door. Fig.
6 is a perspective view showing that the elevator door is opened when the elevator according to the embodiment of the present invention is located at the landing.
7 is an enlarged perspective view showing a safety bar and a member when the elevator according to the embodiment of the present invention is placed on a landing platform.
FIG. 8 is a plan view illustrating a method of operating the elevator door, the elevator door locking device, and the safety bar according to the embodiment of the present invention, in which (a) an elevator elevator door lift door locking device is installed, (b) (C) is a plan view showing a state in which the passenger door is opened using a safety bar.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. The sizes and shapes of the components shown in the drawings may be exaggerated for clarity and convenience. In addition, terms defined in consideration of the configuration and operation of the present invention may be changed according to the intention or custom of the user, the operator. Definitions of these terms should be based on the content of this specification. It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the inventions. Of course.

1 is a perspective view showing a door lock device according to an embodiment of the present invention. Hereinafter, the description will be made with reference to FIG. 1, and the components not shown in FIG. 1 are referred to as separate reference drawings.

A locking door locking device 100 according to an embodiment of the present invention is composed of a fixing portion 10, a hinge portion 20, a member 30, a projection 40, and an actuator 50.

2 and 3, the fixing portion 10 is fixed to a wall 3 on which the elevator door 5 is installed. More specifically, the hinge portion 20 and the member 30, which will be described later, are provided on the wall surface inside the elevator door 5 (direction in which the elevator is installed) to fix the elevator door 30 to the elevator wall 3. The fixing portion 10 is "

Quot ;, but is not limited thereto. The fixing portion 10 supports the hinge portion 20 and the member 30 to prevent the opening and closing door 5 from being opened arbitrarily. The fixing part 10 can be fixed to the support member 4 provided on the wall 3. The support member 4 is provided at the lower end of the landing area so that the fixing portion 10 can be fastened. Fixing of the fixing part 10 and the wall can fix the fixing part 10 and the wall by using bolts and nuts.

Referring to FIGS. 2 and 3, the hinge portion 20 is provided at one end of the fixing portion 10. The hinge portion 20 is connected to a member 30 to be described later to rotate the member 30. The hinge part 20 is connected to the operation part 50 to be described later so that the hinge part 20 is constantly moved in the direction of the entrance door 5 by applying a certain force from the operation part 50 to make it impossible to open the entrance door 5 arbitrarily .

Referring to Figs. 2 and 3, the member 30 is connected to the hinge 20. The member 30 is provided with a projection 40 for preventing the lift door 5 from being opened to prevent the lift door 5 from being opened arbitrarily. More specifically, one end of the member 30 is provided to be bent. This allows the elevator door 5 to be moved along one end of the curved member 30 when the elevator door 5 is opened arbitrarily (see FIGS. 4, 5 and 8 (b) It is possible to prevent the elevator car door 5 from being blocked and the elevator car door 5 from being opened. In addition, the member 30 may be provided with a noise preventing means for reducing noise at a portion contacting the safety bar 60, which will be described later. A typical elevator lift door is provided with a space therein as shown in FIG.

2 and 3, the protrusion 40 is provided on one surface of the member 30. As shown in Fig. The protrusion 40 prevents the lift door 5 from being opened arbitrarily. That is, if the elevator door 5 is arbitrarily opened, the protrusion 40 and the elevator door 5 are brought into contact with each other to prevent the elevator door 5 from being opened. More specifically, the protrusion 40 is provided on one side of the protrusion door 5 in contact with the expansion door 5 to prevent the expansion door 5 from being opened. But the projections 40 are provided in a triangular shape.

2 and 3, the actuator 50 makes the member 30 movable in the direction of the elevator door 5. That is, the actuator 50 applies a force so that the member 30 is directed toward the elevator door 5. The actuator 50 is connected to the hinge portion 20 to move the member 30 toward the elevator door 5 and is directly connected to the member 30 to move the member 30 toward the elevator door 5 However, the present invention is not limited thereto. Specifically, the actuator 50 is provided with a cylinder or a spring. The cylinder is provided with a hydraulic cylinder or a pneumatic cylinder so as to move the member 30 toward the elevator door 5 to prevent the elevator door 5 from being opened if the elevator 7 is not positioned at the landing 30). The spring also plays the same role as the cylinder so that the elevator door (5) can be prevented from opening when the elevator (7) is not located at the landing platform.

The elevator door locking device 100 having the fixing portion 10, the hinge portion 20, the member 30, the projection 40 and the actuator 50 is provided with the elevation door 5 ) Wall 3 as shown in Fig. 8A, when the elevator 7 is not disposed at the landing position, the actuator 50 exerts a force on the member 30 in the direction of the elevator door 5 and the elevator door 5 is arbitrarily opened ≪ / RTI > Referring to Fig. 8 (c), the elevator door 5 can be opened only when the elevator 7 is disposed at a landing position or a position where the elevator 7 will not fall into the elevator passage. 6 and 7, the safety bar 60 to be described later abuts against the member 30 only when the elevator 7 is located at a landing position or at a position where the elevator 7 will not fall into the passage of the elevator 7, So that the elevator door 5 can be opened by preventing the projection 40 provided on the elevator door 5 from interfering with the elevator door 5. [ 3 and 8 (a), when the elevator 7 is moved, the safety bar 60 does not come into contact with the safety bar 60, so that it is possible to prevent the safety bar 60 from being damaged due to the contact between the safety bar 60 and the member 30 .

4, the elevator door locking device 100 can prevent the elevator door 5 from being fully opened. That is, the position of the projection 40 is adjusted so that the elevator door 5 can be opened only by 5 to 15 cm so that the elevator manager can check the position of the elevator 7. This has the effect of confirming only the position of the elevator 7 and preventing the passenger from falling into the elevator 7 passage.

In another aspect of the present invention, referring to Figs. 6 to 8, the safety bar 60 is provided on one side of the elevator 7. The safety bar 60 is provided at a predetermined distance from the member 30 so that force is applied to the actuator 50 in the direction of the elevator door 5 by the safety bar 60 to allow the elevator door 5 to be opened Position. More specifically, the safety bar 60 and the member 30 are provided by 10 to 30 mm apart. It is possible to open the elevator door 5 only when the elevator 7 is disposed at a position where the elevator 7 can be carried on the elevator 7 through the safety bar 60 or at a position where the elevator 7 does not fall down, So that the elevator 7 can be safely used. Specifically, both ends of the safety bar 60 are bent. Both ends are bent. This makes it possible for the safety bar 60 to be brought into contact with the member 30 more smoothly so as to prevent the breakage of the member 30 and the safety bar 60 in advance so that the elevator 7 can be used more comfortably have. Further, the safety bar 60 is provided to have the same height as the elevator 7, and more particularly, to a height equal to the height of the lower cover from the safety guard at the upper end of the elevator 7. [ This makes it possible to open the elevator door 5 only when the elevator 7 is placed in a position where the elevator 7 is not occupied by the passenger or falls into the elevator 7 passage. That is, when the elevator 7 is located higher than the platform, the elevator door 5 is not opened and the safety guardrail of the elevator 7 is positioned at the lower portion of the platform The safety bar 60 can open the lift door 5, but it must be used only for repair and maintenance of the elevator 7.

It will be apparent to those skilled in the art that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof.

3: wall 4: support member,
5: elevator door, 7: elevator,
10: fixed section, 20: hinge section,
30: member, 40: projection,
50: actuator, 60: safety bar,
100: Lift door locking device.

Claims (5)

Elevator (7) Lift door (5) In the safety device,
A fixing part (10) fixed to the side wall (3) of the elevator door (5);
A hinge part 20 provided at one end of the fixing part 10;
A member 30 connected to the hinge unit 20;
The protrusions 40 and 40 provided on one surface of the member 30,
And an actuator (50) for urging the member (30) in the direction of the elevator door.
The method according to claim 1,
Wherein one end of the member (30) is provided to be bent.
The method according to claim 1,
Wherein the actuator (50) is provided with a cylinder or a spring.
The method according to claim 1,
And a safety bar (60) provided on one side of the elevator (7).
5. The method of claim 4,
And both ends of the safety bar (60) are provided to be bent.

Images