KR100903971B1 - Elevator door clutch having lock for car door - Google Patents

Abstract

      BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a clutch structure of an elevator with a car door lock, The present invention is to provide a clutch structure of an elevator equipped with a car door lock device which can secure the safety of a passenger by greatly increasing the reliability of the product while reducing the parts and installation cost of the door lock device.

      To this end, in a clutch structure of an elevator equipped with a door lock device according to the present invention, a clutch base is provided on a car door panel of an elevator, a moving cam and a fixed cam are provided at the front end and the rear end of the clutch base, Wherein a moving cam roller is provided at a certain point of the moving cam so that the rotating cam is selectively interlocked with the moving cam roller, An actuator cam coupled to the actuator; A keeper having a front face formed in a shape of "┓" so as to be rotatable on an upper end of the actuator cam and having a locking protrusion protruding downward from the front end thereof; A hook provided at a predetermined position of the door driving device corresponding to the keeper and configured to have a hook shape; And a switch unit installed in the door driving device adjacent to the hook so as to be selectively contact-connected to the contact point of the keeper.

A door, a lift door, a clutch, an actuator cam, a fixed cam, a moving cam, a rotating cam, a roller

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a clutch structure for an elevator equipped with a door lock device,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a clutch structure of an elevator equipped with a door lock device, more particularly, to a vehicle door lock device provided with a clutch of an elevator so that a car door of the elevator car can be opened / The present invention relates to a clutch structure of an elevator provided with a door lock device for safely protecting a vehicle.

      2. Description of the Related Art Generally, an elevator apparatus installed in various kinds of high-rise buildings such as residential and commercial buildings and used when a passenger moves in the vertical direction includes a passenger- An elevator car for moving a passenger while moving in a downward direction, a mechanical part for moving the elevator car to a corresponding floor of the passenger with a motor part for generating a predetermined power and a hoisting machine, And an elevator control unit for controlling the elevator car so as to smoothly and stably operate the elevator car while controlling the mechanical unit.

       Here, the elevator car provided in the elevator apparatus is provided with a car door which is selectively opened and closed. In addition, a lift door of each floor of the building is provided with an elevation door that is opened and closed in cooperation with the car door, Respectively.

      At this time, the card door and the elevating door are configured to operate integrally with one power source in order to simplify the structure of the apparatus and increase the economy. To this end, the elevator apparatus is provided with a clutch device, The card door and the elevator door can be connected to each other.

      On the other hand, when the elevator device is stopped while the elevator device is out of the designated stop position, there is a risk that the passenger may fall to the hoistway if the elevator door is manually opened. In addition, when a passenger of the elevator car arbitrarily opens the car door to attempt to escape, there is a danger of falling into the space between the elevator and the wall.

      Here, in the conventional door lock device, a cam is installed on each stop layer of a building, and an electromagnet is installed on the elevator car to detect a deviation between the floor surface of the elevator car and the bottom of the landing pad, Or when the level of the bottom surface of the elevator car and the bottom floor of the elevator car is within the reference value by using a principle in which a clutch installed on the car door is held and rolled integrally with the roller mounted on the elevator door, And a method in which the rollers can be engaged with each other.

      However, in the case of the former, there is a problem in that the cost of the parts is increased, and there is a fear of failure, and a cam must be installed and adjusted in each of the lift-up layers. In the latter case, The locking operation is stopped while causing the roller to collide with the rollers on the side of the lift, and when the rollers are not provided, the car door is locked while continuing to protrude. This method does not precisely adjust the longitudinal length of the rollers There is a problem in that the malfunction is caused and the cam door is locked even in a section where the level of the elevator car and the bottom surface of the landing floor match.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and it is an object of the present invention to provide an elevator door control apparatus and a elevator door control method, And an object of the present invention is to provide a clutch structure of an elevator equipped with a car door lock device which can secure the safety of a passenger by greatly increasing the reliability of the product while reducing the cost of parts and installation of the car door lock device.

      According to an aspect of the present invention, there is provided a clutch structure of an elevator having a door lock device, wherein a clutch base is installed on a car door panel of the elevator, Wherein the movable cam is provided with a fixed cam and the movable cam is selectively locked to the movable cam while the movable cam is provided at a certain point of the movable cam, An actuator cam rotatably coupled to the clutch base; A keeper having a front face formed in a shape of "┓" so as to be rotatable on an upper end of the actuator cam and having a locking protrusion protruding downward from the front end thereof; A hook provided at a predetermined position of the door driving device corresponding to the keeper and configured to have a hook shape; And a switch unit installed in a door driving apparatus adjacent to the hook so as to be selectively contact-coupled to a contact point of the keeper.

      Preferably, the actuator cam recognizes that the roller of the elevator door is positioned between the moving cam and the actuator cam, and operates the keeper while rotating.

      The door driving device is provided with a pick-up cam for guiding upward and downward movement of the link attached to the clutch base, and is provided with, on one side of the moving cam, a rotation And the link and the rotation cam are connected to each other through a pickup plate so as to be interlocked with each other.

      More preferably, the upper surface of the pick-up cam is formed with a shoulder for preventing the door from being opened arbitrarily in a state in which the power of the car door is cut off.

      According to the present invention as described above, since the clutch device of the elevator performs its original function and the elevator car door and the elevator door can be simultaneously controlled, the problem of the conventional car door locking device can be solved, It is possible to securely protect the apparatus.

      In addition, it is possible to replace the high-priced electromagnetism type door lock device, thereby reducing the installation cost of the door lock device, thereby improving the economical efficiency. Further, since the elevator is not limited by the size or specification of the elevator There will be useful effects that can be applied in a wide variety of ways.

      Hereinafter, the present invention configured as described above will be described in detail with reference to the drawings.

      FIG. 1 is a front view showing an overall structure of an elevator car door to which a clutch structure of an elevator with a car door lock device according to the present invention is applied. FIG. 2 is a front view of a clutch structure of an elevator having a car door lock device according to the present invention. Fig. 1 is an enlarged view of a portion of Fig.

       First, a clutch structure of an elevator with a car door lock device according to the present invention includes a clutch (not shown) provided in a pair of car doors 100 to be opened and closed on both sides for raising and lowering passengers aboard the elevator car, 300) is configured to have a specific structure.

      To this end, in a state in which a clutch base 10 having a predetermined shape is provided on the upper side of one side panel constituting the pair of the doors 100, the front side of the front surface of the clutch base 10 is fixed And a moving cam roller 42 is provided at a predetermined position of the moving cam 40. Upper and lower sides of the moving cam roller 42 are provided with first The first rotary member 44 is formed on the diagonal direction clutch base 10 having a predetermined angle with the first rotary member 44 via a predetermined connecting member And is connected to the second rotating member 12.

      A rotation cam 50 is formed on the clutch base 10 at one side of an upper corner of the body so that the moving cam roller 42 is interlocked with the rotation cam 50, A pickup cam 60 formed on the upper side of the clutch base 10 and a pickup plate 70 connecting the pickup cam 60 and the rotation cam 50 to each other.

      The roller 60 is configured to be movable downward along the curved surface of the pick-up cam 60 while the roller 62 is installed on the upper end side of the pick-up plate 70, And the link 72 connected to the roller 62 by the action of the pick-up plate 70 due to the elastic force of the spring 72 64 are allowed to flow counterclockwise.

       A jaw 66 is formed on the upper surface of the pick-up cam 60 so that the roller 61 is arbitrarily moved to open the door 100 when the power source of the door 100 is shut off .

      A fixed cam 20 is provided on the rear side of the front surface of the clutch base 10 and an actuator cam 30 is installed between the fixed cam 20 and the moving cam 40, A keeper 32 is formed on the upper end side of the actuator cam 30 in a state in which the front face thereof is substantially "┓" -shaped and a locking protrusion 34 protrudes downward from the front end thereof.

      A contact made of a conductive material such as silver is formed on the front end side of the keeper 32 after the insulator 36 is extended.

      A hook 82 having a substantially hook shape is formed at a certain point of the door driving device 200 so as to correspond to the keeper 32. In the door driving device 200 in which the hook 82 is installed, And a switch unit 80 which is selectively contact-coupled with the switch 32 is constructed.

      Next, the operation of the present invention configured as described above will be described in detail with reference to FIGS. 1 to 3A and 3B.

       In a state in which the elevator clutch structure provided with the door lock device according to the present invention is configured on the car door side of the elevator apparatus, when the elevator car stops at the normal position, The keeper 32 of the actuator cam 30 and the hook 82 of the door driving device 200 are locked with each other so that the roller 400 of the elevator door is positioned between the door 20 and the moving cam 40 The contact point of the switch unit 80 is maintained.

      Thereafter, when the door driving device 200 on the door 100 side is operated to open the door 100 and the elevator door, the fixed cam 20 moves to the right by a certain distance The actuator cam 30 moves in the left direction while recognizing the side surface of the roller 400 of the elevation door and at the same time the keeper 32 connected to the upper end side of the actuator cam 30 in a link structure is rotated clockwise So that the locked state with the hook 82 is released and the contact of the switch unit 80 is dropped.

      At the same time, the roller 62 positioned above the pick-up cam 60 moves downward along the curved surface of the upper end of the pick-up cam 60, and the clutch base 10 and the pick- The link 64 connected to the roller 62 is rotated in the counterclockwise direction by the action of the spring 72 having both ends connected to the first and second rollers 70.

      At this time, an external force is applied to the pickup plate 70 connected to the spring 72 and the link 64 downwardly so that an external force is applied to rotate the rotation cam 50 formed at the lower end side thereof in the clockwise direction .

      The moving cam roller 42 which is in contact with the concave groove 52 of the rotary cam 50 is moved upward by the rotation of the rotary cam 50 in the clockwise direction, The distance between the actuator cam 30 and the moving cam 40 is equal to the diameter of the roller 400 of the lift door so that the door 40 is moved to the door driving device 200 The opening operation of the door 100 is completed.

      At this time, the roller 400 of the elevator door is restrained and moved integrally with the elevator clutch device, so that the elevator car door 100 and the elevator door can be integrally opened by the operation of the elevator door roller 400 .

      Therefore, when the elevator car 100 is opened and closed at the same time as described above, the elevator car can not be opened if the elevator car is not in the designated position. Therefore, The passenger is prevented from arbitrarily escaping by opening the car door artificially, thereby securing the safety of the passenger.

      That is, when the elevator car is not stopped at the designated position of the landing (in the case where the elevating door roller 400 is not positioned between the fixed cam 20 and the movable cam 40), the fixed cam 20 is moved rightward The actuator cam 30 does not recognize the side surface of the elevator door roller 400 when the actuator cam 30 moves so that the actuator cam 30 does not perform any operation and thus the keeper of the actuator cam 30 32 are also kept locked by the hooks 82. [

      Further, even when the door 100 of the elevator car partially flows, the keeper 32 and the hooks 82 remain locked to each other, so that the door 100 is not opened any more, Can be maintained.

       While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the scope of the appended claims.

      1 is a front view showing an overall configuration of an elevator car door to which a clutch structure of an elevator with a door lock device according to the present invention is applied;

      Fig. 2 is a partially enlarged view of Fig. 1 showing a clutch structure of an elevator with a car door lock according to the present invention; Fig.

      FIGS. 3A and 3B are views schematically showing an operating state of a clutch structure of an elevator equipped with a door lock device according to the present invention.

       Description of the Related Art [0002]

       10: clutch base, 12: second rotating member,

       20: fixed cam, 30: actuator cam,

       32: Keeper, 34:

       36: insulator, 40: moving cam,

       42: a moving cam roller, 44: a first rotating member,

       50: rotation cam, 52: concave groove,

       60: pick-up cam, 62: roller,

       64: link, 66: jaw,

       70: pickup plate, 72: spring,

       80: switch portion, 82: hook,

       100: Card door, 200: Door driving device,

       300: clutch, 400: elevator door roller.

Claims (4)

       The moving base is provided with a clutch base on the car door panel of the elevator, a moving cam and a fixed cam are provided at the front and rear ends of the clutch base, respectively, and a moving cam roller is provided at a certain point of the moving cam, A clutch structure of an elevator in which a rotating cam is selectively interrupted,       An actuator cam rotatably coupled to the corresponding clutch base between the fixed cam and the moving cam;       A keeper having a front face formed in a shape of "┓" so as to be rotatable on an upper end of the actuator cam and having a locking protrusion protruding downward from the front end thereof;       A hook provided at a predetermined position of the door driving device corresponding to the keeper and configured to have a hook shape;       And a switch unit installed in a door driving device adjacent to the hook so as to be selectively contact-connected to a contact point of the keeper.        The method according to claim 1,       Wherein the actuator cam recognizes that the roller of the elevator door is located between the moving cam and the actuator cam and operates the keeper while rotating.       The method according to claim 1,       The door driving device is provided with a pick-up cam for guiding upward and downward movement of the link attached to the clutch base, and a rotary cam is provided on one side of the moving cam to allow the moving cam to rotate up and down via a moving cam roller And the link and the rotation cam are connected to each other through a pickup plate to interlock with each other.       The method of claim 3,      Wherein the upper surface of the pick-up cam is provided with a shoulder for preventing the door from being opened arbitrarily in a state in which the power of the car door is cut off.

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