JP2009227457A - Door guide sill device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To easily remove a foreign matter in a sill groove formed on a floor surface for guiding the movement of a door. <P>SOLUTION: This door guide sill device 30 includes a first roller 40 attached to the lower end of an elevator car door 12 which is guided by a car sill groove 14 formed on the car floor surface 18 for opening and closing, and rolling and rotating on the car floor surface 18 when the door is opened and closed, and a second roller 50 rotated in the rotating direction opposite to the rotating direction of the first roller 40 when the door is opened and closed, and eliminating the foreign matter in the car sill groove 14 by rolling in the car sill groove 14. A rotating direction inverting mechanism for inverting the rotating direction of the first roller 40 and transmitting the direction to the second roller 50 is installed between the first roller 40 and the second roller 50. A brush 58 for cleaning is installed at the outer periphery of the second roller 50. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a door guide sill apparatus, and more particularly to a door guide sill apparatus that is provided at a lower end of a door that is guided by a sill groove provided on a floor surface and opens and closes and that operates in accordance with the opening and closing of the door.

  When the door is guided to a sill groove provided on the floor surface, foreign substances such as dust are likely to accumulate in the sill groove, which may hinder the opening and closing of the door.

  For example, in Patent Document 1, two movable rollers having appropriate weights are attached to both sides of a roller shaft so that the door can be smoothly opened and closed even if foreign matter is present in the door shoe guide. The roller shaft is rotatably attached to the support shaft, and two arms having a support shaft and two movable rollers are arranged at a fixed angle with the fixed portion as a fulcrum, and are attached to the lower portion of the door so as to be freely rotatable. The structure used as the door shoe of this is disclosed.

JP 2002-362868 A

  According to the configuration of Patent Document 1, the door can be opened and closed even if a foreign object is present in the sill groove that is a guide for the door shoe. However, it is not possible to leave foreign matter such as dust in the sill groove, and it is necessary to clean the sill groove.

  The objective of this invention is providing the door guide sill apparatus which can remove the foreign material in a sill groove easily.

  The door guide sill mechanism according to the present invention is attached to a lower end of a door that is guided by a sill groove provided on the floor surface and opens and closes, and a first roller that rolls and rotates on the floor surface as the door is opened and closed, and door opening and closing. Along with this, there is provided a second roller that rotates in a rotation direction opposite to the rotation direction of the first roller, rolls in the sill groove, and removes foreign matter in the sill groove.

  The door guide sill device according to the present invention may further include a rotation direction reversing mechanism that is provided between the first roller and the second roller and reverses the rotation direction of the first roller and transmits the rotation direction to the second roller. preferable.

  Moreover, in the door guide sill apparatus according to the present invention, the second roller preferably has a brush provided on the outer periphery of the roller.

  Moreover, in the door guidance sill apparatus according to the present invention, it is preferable that the brush is provided on the second roller in a replaceable manner.

  In the door guide sill apparatus according to the present invention, the first roller is attached to the lower end of the door that is guided by a sill groove provided on the floor of the elevator hall or the floor of the elevator car, and the second roller is It is preferable to roll in the sill groove.

  With the above configuration, the door guide sill mechanism is attached to the lower end of the door that is guided by a sill groove provided on the floor and opens and closes, and the first roller that rolls and rotates on the floor as the door is opened and closed, and the door opening and closing. Along with this, there is provided a second roller that rotates in a rotation direction opposite to the rotation direction of the first roller and rolls in the sill groove to remove foreign matter in the sill groove. Since the first roller rolls on the floor surface, the leading end side of the rolling is directed rearward with respect to the moving direction of the door. Since the rotation direction of the second roller is opposite to that of the first roller, the leading end side of the rolling is directed forward with respect to the moving direction of the door. That is, when there is a foreign object in the sill groove, it rolls so as to be scraped out or jumped forward in the moving direction of the door. As a result, the foreign matter in the sill groove is collected forward in the moving direction of the door as the door is opened and closed, so that the foreign matter can be easily removed.

  Further, in the door guide sill device, a rotation direction reversing mechanism for reversing the rotation direction of the first roller and transmitting it to the second roller is provided between the first roller and the second roller. As a result, the foreign matter in the sill groove can be easily removed without providing a drive source for the second roller.

  Moreover, in a door guidance sill apparatus, a 2nd roller has a brush provided in the outer periphery of a roller. By using the brush in this way, it becomes easier to scrape or jump out the foreign matter in the sill groove toward the front in the moving direction of the door.

  Further, in the door guide sill apparatus, the brush is provided on the second roller so as to be replaceable. Therefore, the replacement can be easily performed when the brush is dirty or worn.

  Further, in the door guidance sill apparatus, the first roller is attached to the lower end of the door that is guided by a sill groove provided on the floor of the elevator hall or the floor of the elevator car, and the second roller is provided on the sill groove. Roll inside. Therefore, the foreign matter in the sill groove for the elevator hall door and the sill groove for the elevator car door can be easily removed.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. Below, the door guide sill device will be described as a sill groove for a landing door and a sill groove for an elevator car door in a building elevator. It is good also as what is provided only in a groove | channel. Also, a sill groove other than a sill groove for guiding a door for an elevator may be used. For example, it may be a partition door guided by a sill groove. In the following description, the rotation direction conversion mechanism is provided between the first roller and the second roller. However, the second roller may be driven independently according to the opening / closing of the door.

  In the following drawings, common elements are denoted by the same reference numerals, and redundant description is omitted. Further, in the description of each figure, the description will be made using the reference numerals described before, if necessary.

  FIG. 1 is a view showing the vicinity of an elevator hall in which door guidance sill devices 30 and 60 are provided. Here, the elevator car 10 has arrived at the landing 20 and the elevator car door 12 and the landing door 22 are opened in conjunction with each other. The door guide sill device 30 is provided in the car sill groove 14 where the elevator car door 12 is guided, and the door guide sill device 60 is provided in the landing sill groove 24 where the landing door 22 is guided. Since these can basically have the same configuration, the following description will focus on the door guide sill device 30 provided in the car sill groove 14.

  The door guide sill device 30 is provided in a car sill groove 14 for guiding the movement of the elevator car door 12, and as the elevator car door 12 is opened and closed, the inside of the car sill groove 14 is cleaned with a brush. This device has a function of sweeping out foreign matter such as dust. 2, 3, and 4 are views showing a state in which the door guide sill device 30 is attached to the elevator car door 12 and disposed in the car sill groove 14. 2 is a front view showing a section of the car sill groove in a sectional view, FIG. 3 is a plan view of the elevator car door 12 cut from the lower end portion, and FIG. 4 includes the landing 20. It is a side view which shows the mode of the door guidance sill apparatus 30, 60 with sectional drawing.

  The door guide sill device 30 is provided along with the door shoe 16 at the lower end of the elevator car door 12 and includes a first roller 40 and a second roller 50. The door guide threshold device 30 is provided in the elevator car door 12 closer to the door opening / closing end than the door shoe 16. In FIG. 2, the direction in which the elevator car door 12 is closed is indicated by a white arrow. In this example, the door guide sill device 30 is closer to the direction of the white arrow than the door shoe 16. Provided.

  As shown in FIG. 4, the first roller 40 includes a first roller body 42, a first gear 44, and a central shaft 46. The second roller 50 includes a second roller main body 52, a second gear 54, and a central shaft 56.

  The first roller body 42 is a disk that can rotate around the central shaft 46, and is attached to the central shaft 46 so that the outer periphery thereof contacts the car floor 18 that is the floor of the elevator car 10.

  The first gear 44 is a gear arranged coaxially with the first roller body 42. The first gear 44 rotates around the central shaft 46 integrally with the first roller body 42. Therefore, the first roller body 42 and the first gear 44 are preferably configured integrally. Alternatively, it is preferable that the first roller body 42 and the first gear 44 are integrally fixed and attached to the central shaft 46.

  The central shaft 46 is a shaft having a function of rotatably supporting the first roller body 42 and the first gear 44 on the lower end portion of the elevator car door 12. The central shaft 46 may be integrally formed with the first roller body 42 and the first gear 44 and may be rotatably held in a rotation hole provided in the elevator car door 12, or may be attached to the elevator car door 12. The fixed shaft body may be inserted into a rotation hole provided in the first roller main body 42 and the first gear 44.

  The second roller body 52 is a disc that can rotate around a central axis 56, and a cleaning brush 58 is implanted on the outer periphery thereof. The cleaning brush 58 is aligned so that the tip thereof is in contact with the bottom surface of the car sill groove 14, so that when the second roller body 52 rotates around the central axis 56, it just rolls on the bottom surface of the car sill groove 14. Can move. Thereby, the foreign material in the car sill groove 14 can be swept out in one direction.

  The portion in which the cleaning brush 58 is embedded is formed in a ring shape and is fitted on the outer periphery of the disc at the central portion of the second roller body 52. Accordingly, the cleaning brush 58 can be attached to and detached from the central disk of the second roller body 52, and the cleaning brush 58 can be easily replaced as necessary.

  The second gear 54 is a gear arranged coaxially with the second roller body 52. The second gear 54 rotates around the central axis 56 integrally with the second roller body 52. Therefore, the second roller body 52 and the second gear 54 are preferably configured integrally. Alternatively, it is preferable that the second roller body 52 and the second gear 54 are integrally fixed and attached to the central shaft 56.

  The second gear 54 is meshed with the first gear 44 of the first roller 40. As a result, the rotation direction of the first roller body 42 is reversed and transmitted to the second roller body 52. In this sense, the first gear 44 and the second gear 54 form a rotation direction reversing mechanism. In addition to the gear mechanism, a roller transmission mechanism using friction may be used as a rotation reversal mechanism that reverses the rotation direction of the first roller body 42 and transmits the rotation to the second roller body 52.

  The central shaft 56 is a shaft having a function of rotatably supporting the second roller body 52 and the second gear 54 on the lower end portion of the elevator car door 12. The central shaft 56 may be a shaft body that is rotatably held in a rotation hole provided in the elevator car door 12 as with the central shaft 46 in the first roller 40, or a shaft fixed to the elevator car door 12. It may be a body.

  FIG. 4 shows the state of the first roller 70 and the second roller 80 that constitute the door guide sill mechanism 60 provided at the lower end of the landing door 22. The first roller 70 includes a first roller main body 72 that rolls on the landing floor 28, a first gear 74, and a central shaft 76, and the second roller 80 includes a second roller main body 82 and The second gear 84 and the central shaft 86 are included, and a cleaning brush 88 is provided on the outer periphery of the second roller body 82. Each content is the same as the corresponding element in the door guide sill mechanism 30 provided in the elevator car door 12, and thus detailed description thereof is omitted.

  The operation of this configuration will be described. In the door guide sill mechanism 30 in FIG. 2, when the elevator car door 12 moves in the direction of the white arrow, the first roller body 42 of the first roller 40 rotates on the car floor 18. The rotation direction is clockwise on the paper surface as indicated by the arrow shown in FIG. As described with reference to FIG. 4, the rotation direction is converted by the rotation direction reversing mechanism using the first gear 44 and the second gear 54, and the second roller body 52 of the second roller 50 is counterclockwise. Rotate in the direction.

  When the second roller main body 52 rotates counterclockwise, the cleaning brush 58 on the outer periphery thereof also rotates counterclockwise, and the foreign matter in the car sill groove 14 is moved in the direction of the white arrow, that is, the elevator car door 12. Sweep in the moving direction. As a result, the foreign matter in the car sill groove 14 is swept out in one direction and can be easily removed. In addition, the door guidance sill mechanism 60 attached to the landing door 22 has the same operation.

  In the above example, the elevator car door 12 moves in the closing direction. In this case, the foreign matter in the car sill groove 14 is swept out to the side opposite to the side where the door shoe 16 is disposed. On the other hand, when the elevator car door 12 moves in the opening direction, the foreign matter in the car sill groove 14 is brought closer to the side on which the door shoe 16 is arranged in the example of the above configuration. However, the next time the elevator car door 12 is closed, the foreign matter is again swept away to the side opposite to the side on which the door shoe 16 is disposed, so that the car sill can be opened and closed by opening and closing the door one or more times. Almost all foreign matter in the groove 14 can be removed.

  FIG. 5 is a diagram illustrating an example of a configuration in which the door guide sill mechanism 30 can be moved up and down with respect to the car sill groove 14 in accordance with the moving direction of the elevator car door 12. Here, a moving direction detecting weight 90 is used, and an arm 94 that is rotatable about a rotation center 92 provided on the elevator car door 12 is provided. The door guide sill mechanism 30 is provided at one end of the arm 94 and the other end. A moving direction detection weight 90 is attached to the side. An angle formed by one end side and the other end side of the arm 94 is appropriately set.

  5A is a diagram illustrating a state where the elevator car door 12 is moved in the closing direction, and FIG. 5B is a diagram illustrating a state where the elevator car door 12 is moved in the opening direction. As described below, in FIG. 5A, the cleaning brush 58 cleans the inside of the car sill groove 14, whereas in FIG. 5B, the cleaning brush 58 is disposed on the bottom surface of the car sill groove 14. Get away from.

  In FIG. 5A, when the elevator car door 12 moves in the direction of the white arrow, that is, on the right side of the drawing, the movement direction detection weight 90 rotates around the rotation center 92 in the clockwise direction. As a result, the door guide sill mechanism 30 is lowered toward the car sill groove 14. As a result, the first roller 40 rolls on the car floor 18, and the cleaning brush 58 of the second roller 50 cleans the car sill groove 14.

  In FIG. 5B, when the elevator car door 12 moves to the left in the direction of the white arrow, that is, on the paper surface, the moving direction detection weight 90 rotates counterclockwise around the rotation center 92. As a result, the door guide sill mechanism 30 rises from the car sill groove 14 side. As a result, the first roller 40 is separated from the car floor 18 and the cleaning brush 58 of the second roller 50 is also separated from the bottom surface of the car sill groove 14.

It is a figure which shows the boarding area vicinity of the elevator provided with the door guidance sill apparatus of embodiment which concerns on this invention. In embodiment which concerns on this invention, it is a front view which shows the part of a car sill groove by sectional drawing. In embodiment which concerns on this invention, it is the top view which cut | disconnected the lower end part of the elevator car door and was seen from upper direction. In embodiment which concerns on this invention, it is a side view which shows the mode of a door guidance sill apparatus with sectional drawing including a boarding point. In embodiment which concerns on this invention, it is a figure which shows the example of a structure which can raise / lower a door guidance sill mechanism with respect to a car sill groove | channel according to the moving direction of an elevator car door.

Explanation of symbols

  10 elevator car, 12 elevator car door, 14 car sill groove, 16 door shoe, 18 car floor, 20 landing, 22 landing door, 24 landing sill, 28 landing floor, 30, 60 door guide sill device, 40, 70 First roller, 42, 72 First roller body, 44, 74 First gear, 46, 56, 76, 86 Center shaft, 50, 80 Second roller, 52, 82 Second roller body, 54, 84 Second gear , 58, 88 Cleaning brush, 90 moving direction detection weight, 92 center of rotation, 94 arm.

Claims (5)

A first roller that is attached to a lower end of a door that is guided by a sill groove provided on the floor surface and that opens and closes, and rolls and rotates on the floor surface as the door opens and closes;
A second roller that rotates in a direction opposite to the rotation direction of the first roller in accordance with the opening and closing of the door, and rolls in the sill groove to remove foreign matter in the sill groove;
A door guide sill mechanism characterized by comprising: In the door guidance sill apparatus according to claim 1,
A door guide sill device comprising a rotation direction reversing mechanism that is provided between a first roller and a second roller and reverses the rotation direction of the first roller and transmits the rotation direction to the second roller. In the door guidance sill apparatus according to claim 1,
The second roller has a brush provided on the outer periphery of the roller. In the door guidance sill apparatus according to claim 3,
The brush is provided on the second roller so as to be replaceable. In the door guidance sill apparatus according to claim 1,
The first roller is attached to the lower end of the door that is guided by a sill groove provided on the floor of the elevator hall or the floor of the elevator car,
The door guide sill device, wherein the second roller rolls in the sill groove.

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