JP5945020B1 - Elevator equipment - Google Patents

Abstract

To provide an elevator apparatus with improved safety by immediately closing a gap between a landing side sill and a car side sill when a door starts to open after landing on the landing. A car-side sill 31 that guides a car door 25 provided at a car doorway, and a hall-side sill 32 that guides a hall door provided at a car doorway on each floor. The one side is closed by rotating the closing plate 35 pivotally supported on the car side sill 31 onto the sill 32 on the landing side. As the weight 38 provided above the operating body 37 provided at one end of the closing plate 35 is lowered, the closing plate 35 is erected, and is rotated to close the facing interval as the weight 38 is raised. The weight 38 is raised by the weight raising / lowering mechanism 41 by the opening operation of the car door 25 and lowered by the closing operation. [Selection] Figure 3

Description

  Embodiments of the present invention relate to an elevator apparatus having an improved entrance / exit to a passenger car.

  In an elevator system in which a car installed in the hoistway of a building moves up and down between floors to carry people and luggage, there is a constant distance between the landings on each floor and the car in order to raise and lower the car. The gap is provided. For this reason, when the car stops landing at the landing and the door of the entrance is opened, a gap is generated between the landing threshold and the threshold on the passenger car side. The gap between the sills is dangerous because it causes a person to stumble or a wheel such as a wheelchair or a bogie falls. In addition, there is a possibility that the small article falls into the pit from the gap between the sills.

  Therefore, conventionally, there has been proposed a shielding plate for shielding the gap between the sills, and operating this shielding plate so as to shield the gap between the sills in conjunction with the opening operation of the door ( For example, see Patent Document 1).

Japanese Patent No. 421130

  However, the conventional shielding plate has a structure in which the shielding of the gap is not completed unless the door opening operation is completed and the door is fully opened, and the shielding plate is in the middle of shielding the gap during the door opening operation. Become. For this reason, when a passenger, a trolley, etc. move in the middle of opening before a door will be in a full open state, it may be caught in the shielding plate in the middle of shielding operation. In this case, there is a risk that the passenger may be injured or the carriage may be damaged, or the shielding plate itself may be damaged.

  An object of the present invention is to provide an elevator apparatus with improved safety by immediately closing a gap between a landing side sill and a car side sill when the door starts to open after landing on the landing.

  An elevator apparatus according to an embodiment of the present invention includes a car-side sill that guides a car door provided at an entrance of a car so as to be slidable along the opening and closing direction of the car, and the car can be landed. A floor sill that guides a landing door provided at the entrance to the car on each floor so as to be slidable along the opening and closing direction, a length corresponding to the width dimension of the car entrance, A width larger than the facing distance between the sill on the boarding car side and the sill on the landing side, and one side along the length direction is pivotally supported by one of the sill on the car side and the landing side, The other side along the length direction is placed on one of the other sills to close the opposing gap, and is provided at one end in the length direction of the closing plate and can move up and down. With the descent of the weight provided in An operation body that rotates the closing plate in an upright state and allows the rotation of the closing plate to close the facing interval as the weight rises, and the opening operation of the car door or the landing door A weight raising / lowering mechanism for raising the weight and lowering the weight by closing the door is provided.

  According to the above-described configuration, the opening or closing operation with a slight opening width that cannot be passed by personnel in any of the opening operation and the closing operation of the door completes the gap closing operation between the sills by the closing plate, Due to the opening width that allows personnel to pass, even if personnel or trolleys enter or exit the car while opening or closing the door, they may be caught by the shielding plate during the closing operation as in the prior art. It is possible to go in and out smoothly, and the safety is greatly improved.

It is a figure showing the whole elevator device composition concerning one embodiment of the present invention. It is the front view which looked at the door part of the car in one embodiment of the present invention from the landing side. It is a perspective view which shows the door part detailed structure of the passenger car in one Embodiment of this invention. FIG. 4 is an enlarged partial view showing a standing state of a closing plate which is a main part of FIG. 3. FIG. 4 is an enlarged partial view showing a closing state of a closing plate which is a main part of FIG. 3.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

  First, the overall configuration of the elevator apparatus will be described with reference to FIG. As shown in FIG. 1, the elevator apparatus 1 includes a passenger car 4 and a counterweight 5 disposed in a hoistway 3. A machine room 6 is provided above the hoistway 3, and a hoisting machine 7 that drives a main rope 9 is installed in the machine room 6. Furthermore, the control apparatus 8 which controls the whole elevator apparatus 1 is provided, and the hoisting machine 7 is drive-controlled according to a landing call or a car call, and the car 4 is landed on the floor where the call was made.

  In this elevator apparatus 1, an entrance 12 that leads to a car 4 in the hoistway 3 is provided at a landing 11 provided on each floor of the building, and a landing door 2 is provided at the entrance 12. The landing door 2 engages with the car door 25 provided at the doorway 24 of the car 4 when the car 4 is landed, and opens and closes in conjunction with the opening and closing of the car door 25.

  FIG. 2 is a front view of the car door 25 provided at the entrance of the car 4 as seen from the landing 11 side. The car door 25 is a so-called single-opening method in which the two door panels 25a and 25b are opened in the same direction (leftward in the figure). The upper portions of the two door panels 25a and 25b are connected to a door opening / closing mechanism 27 via hangers 26a and 26b, and are driven in the illustrated left-right direction by the door opening / closing mechanism 27 to open and close.

  The door opening / closing mechanism 27 is a well-known one, and the description of the structure is omitted. However, the two door panels 25a and 25b are interlocked with each other via a drive wire and a roller by a power of a motor (not shown) to guide the door. Drives left and right along the rail to open and close.

  A car-side sill 31 is provided at the entrance / exit portion of the car 4, and the two door panels 25a and 25b constituting the car door 25 described above are slidably guided along the opening / closing direction thereof. To do. As shown in FIG. 3, the car-side sill 31 is provided at the lower side of the car doorway 24, and a guide groove formed on the upper surface thereof is formed at the lower ends of the two door panels 25a and 25b ( In FIG. 3, they are respectively engaged with each other and are guided along the opening / closing direction.

  In contrast to the car-side threshold 31, a threshold 32 is also provided on the landing 11 side as shown in FIG. 3. The platform-side sill 32 is disposed opposite to one side surface (front side surface in FIG. 3) of the sill 31 on the car side with a predetermined distance. A guide groove is also formed on the upper surface of the threshold 32 on the landing side, and guides the landing door 2 shown in FIG. 1 so as to be slidable along the opening and closing direction. The landing-side door 2 is also of a single-opening type having two door panels (not shown), and as described above, when the car 4 reaches the landing, it engages with the car door 25 and the car door. 25 opens and closes together.

  Here, a closing plate 35 is provided on the car-side threshold 31. The closing plate 35 has a length corresponding to the width dimension of the entrance / exit 24 of the car 4 (in the left-right direction in FIG. 2), and the facing distance between the car-side sill 31 and the landing-side sill 32 (that is, the gap occurs between them). The gap) has a larger width. One side along the length direction is pivotally supported on the upper surface of the car-side sill 31 via a support shaft (shown in FIG. 5) 36.

  As shown in FIGS. 3 and 4, the closing plate 35 has two states: a standing state in which the plate surface stands substantially vertically and a closing state in which the plate surface is substantially horizontal as shown in FIG. As described above, it rotates about the above-mentioned support shaft 36. In the closed state described above, the other side along the length direction is placed on the landing side sill 32 serving as the opponent to block the gap described above.

  As shown in FIGS. 3 to 5, an operating body 37 is integrally provided at one end portion (right end in the drawing) of the closing plate 35 in the length direction. The actuating body 37 is bent in a U-shape, and the closing plate 35 is rotated to the above-described two states in accordance with the vertical movement of the weight 38 provided so as to be vertically movable above the piece 37a. It is something to be made.

  That is, when the weight 38 is lowered, it comes into contact with the upper surface of the piece 37a of the operating body 37 and pushes it down. For this reason, the closing plate 35 integral with the operating body 37 rotates clockwise around the support shaft 36, and as shown in FIGS. 3 and 4, the plate surface is erected almost vertically. On the other hand, when the weight 38 is lifted, the weight 38 is detached from the one piece 37a of the operating body 37, so that the closing plate 35 integral with the operating body 37 rotates counterclockwise around the support shaft 36 by its own weight. For this reason, as shown in FIG. 5, the other side along the length direction is mounted on the opponent's side sill 32 and becomes almost horizontal, and the gap is closed.

  3 and 4, if a band-shaped load member 39 is provided on the back surface of the closing plate 35, the closing plate 35 can be rotated counterclockwise by its own weight when the weight 38 is raised. It can be promoted and rotated more reliably.

  A weight lifting mechanism 41 is provided for the weight 38. The weight raising / lowering mechanism 41 includes a guide cylinder 41a, a connecting string 41b, and a turning pulley 41c. The guide cylinder 41a is provided vertically above the piece 37a of the operating body 37, and guides the inside thereof so that the weight 38 can freely move up and down. As shown in FIG. 3, one end of the connection string 41b is connected to the weight 38 in the guide cylinder 41a, and the other end is connected to a bracket 42 that is integrally connected to the hanger 26a. The turning pulley 41c is provided above the guide tube 41a and changes the operating direction of the connecting string 41b to substantially a right angle.

Here, the length of the connecting string 41b is set as follows. That is, when the car door 25 provided at the entrance / exit of the car 4 is in a closed state, the bracket 42 is located on the rightmost side as shown in FIG. At this time, as shown in FIGS. 3 and 4, the length of the connecting string 41 b is set so that the weight 38 is at the bottom dead center position and the one piece 37 a of the operating body 37 is pushed down. The weight lifting mechanism 41 raises the weight 38 with the opening operation of the car door 25 and lowers it with the closing operation of the door 25.

  In the above configuration, when the car door 25 provided at the entrance / exit of the car 4 is in a closed state, the bracket 42 is located on the rightmost side as shown in FIG. At this time, the weight 38 connected to the bracket 42 via the connecting string 41b is at the bottom dead center position as described above, and pushes down the one piece 37a of the operating body 37. For this reason, the closing plate 35 integrated with the operating body 37 is in an upright state, and does not hinder the raising / lowering of the car 4.

  On the other hand, when the car 4 is landed on a predetermined floor and the car door 25 is opened by the door opening / closing mechanism 27 in the direction of arrow A in FIG. 3, the bracket 42 causes the connecting string 41b and the turning pulley 41c. Is pulled up in the direction of arrow B in FIG. For this reason, the weight 38 is guided by the guide cylinder 41a from the state of FIGS. As the weight 38 is lifted, the pressing force to the one piece 37a of the operating body 37 is released, so that the operating body 37 and the closing plate 35 integral therewith rotate counterclockwise around the support shaft 36 depending on its own weight. Move. Then, as shown in FIG. 5, the other side along the length direction of the closing plate 35 is placed on the sill 32 on the landing side as the opponent and becomes almost horizontal, and the gap is closed.

  The rotation operation of the closing plate 35 in the closing direction is completed with a slight operation stroke in which the weight 38 is released from the one piece 37a of the operating body 37. That is, when the door panel 25a of the car door 25 does not allow personnel to pass through, for example, about 125 mm, the door panel 25a slightly opens, so that the closing operation by the closing plate 35 is completed and the gap between the sills 31 and 32 is blocked. It becomes possible.

  Thereafter, the door panels 25a and 25b continue to open until they are fully opened. During this time, the weight 38 continues to be pulled up in the guide tube 41a by the connecting string 41b, but is closed off because it is separated from the operating body 37. The plate 35 continues to close the gap between the thresholds 31 and 32 without changing from the closed state shown in FIG. For this reason, passengers can enter and exit as the doors open, and vehicles such as carts can enter and exit smoothly, improving safety.

  On the other hand, when the car door 25 is closed, the bracket 42 moves to the right in the drawing in accordance with the door closing operation, so that the weight 38 is lowered. At this time, since the weight 38 is located above the piece 37a of the operating body 37 in the state of FIG. 5, the closing plate 35 maintains the closing state shown in FIG. When the weight 38 comes into contact with the piece 37a of the operating body 37 and is pushed down, the closing plate 35 starts to rotate clockwise in the drawing. That is, when the car door 25 starts to close, the closing plate 35 maintains a substantially horizontal gap closing state, and when the car door 25 is closed to a slight opening width of, for example, about 125 mm, the closing plate cannot be passed for the first time. 35 starts the clockwise rotation shown in the figure. Then, when the door 25 is fully closed, the closing plate 35 is erected almost vertically as shown in FIGS. 3 and 4, and the elevator car 4 can be moved up and down.

  As described above, when the car door 25 is opened or closed, a gap between the sills 31 and 32 by the closing plate 35 is obtained by opening or closing with a slight opening width that cannot be passed by a person. The closing operation is completed. For this reason, even if a person or a cart enters or exits the car 4 while the door is opened or closed due to the opening width that allows the person to pass through, the closing plate 35 is closed at this time. It is in a state. Therefore, unlike the conventional example, the door does not get caught on the shielding panel during the closing operation due to the doorway opening and closing, and the door can be smoothly moved in and out, and the safety is greatly improved.

  In the embodiment described above, the closing plate 35 is attached to the sill 31 on the car side, but of course, it is attached to the sill 32 on the opposite landing side, and the closing operation is performed in the same manner as the landing door 2 is opened and closed. May be. However, in this case, the closing plate 35 and the weight lifting mechanism 41 must be provided for each floor.

  Moreover, although the single-opening type door which consists of two door panels was illustrated, it can apply similarly to the system which opens and closes the door panel of several sheets, and the system of opening and closing one door panel.

  Moreover, although what has a machine room was illustrated as an elevator apparatus, of course, it is applicable also to what is called a machine room-less elevator apparatus.

  Furthermore, although the thing which has a guide groove was illustrated as the thresholds 31 and 32, of course, it is applicable also to a thresholdless threshold.

  Although several embodiments of the present invention have been described, these embodiments have been presented by way of example and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the scope of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.

DESCRIPTION OF SYMBOLS 1 ... Elevator apparatus 2 ... Platform door 3 ... Hoistway 4 ... Car 25 ... Car door 27 ... Door opening / closing mechanism 31 ... Car side threshold 32 ... Platform side threshold 35 ... Closing plate 37 ... Actuator 38 ... Weight 39 ... Load member 41 ... Weight lifting mechanism

Claims (2)

A sill on the side of the car that guides the car door provided at the entrance of the car so that it can slide along its opening and closing direction;
A sill on the landing side that slidably guides a landing door provided at the entrance to the passenger car on each floor on which the passenger car can be landed, along its opening and closing direction;
The length corresponding to the width dimension of the entrance / exit of the car and a width larger than the facing distance between the car-side sill and the landing-side sill, and one side along the length direction is the car side And a blocking plate that is pivotally supported by any one of the sills on the landing side, and that the other side along the length direction is placed on the other sill, and closes the facing interval,
The closing plate is provided at one end in the lengthwise direction of the closing plate, and the closing plate is rotated upright as the weight is provided so that it can move up and down. An actuating body that allows rotation to close the opposing space;
A weight lifting mechanism that raises the weight by opening the car door or landing door, and lowers the weight by closing the door;
An elevator apparatus comprising:   The elevator apparatus according to claim 1, wherein the closing plate has a load member that promotes rotation to a state of closing the facing interval.

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