JPWO2006048928A1 - Elevator doorway equipment - Google Patents

Abstract

In the elevator doorway device, the doorway floor member is provided at a lower part of the doorway of the elevator. Moreover, the doorway floor member is extended in the entrance direction of the doorway of an elevator. An elevator door that opens and closes the entrance of the elevator is provided above the entrance / exit floor member. Below the doorway floor member, a sill provided with a groove portion extending in the entrance direction of the doorway of the elevator is disposed. A door leg is provided at the lower end of the elevator door. The door leg has an insert inserted into the groove and a shape straddling the doorway floor member, and has a connecting member that connects the elevator door and the insert.

Description

  The present invention relates to an elevator entrance / exit device that opens and closes an entrance / exit of an elevator communicating with a car and a landing by an elevator door.

  In a conventional elevator doorway device, a sill frame for guiding a door may be disposed below the floor surface in order to improve design. Fixed to the lower part of the door is a bottom edge that extends vertically downward, avoiding the floor. A lower door guide that can move in the door moving direction is disposed in the slot of the sill frame. A guide holding bracket that extends horizontally toward the bottom edge is fixed to the lower door guide. The guide holding bracket is connected to the bottom edge below the floor surface (see Patent Document 1).

Japanese Patent No. 3061751

  However, in such a conventional elevator doorway apparatus, the direction in which the bottom edge fixed to the door extends is vertically downward, so that a horizontally extending guide holding bracket is provided to attach the lower door guide to the bottom edge. I need it. For this reason, the number of parts increases, and it becomes impossible to reduce the manufacturing cost.

  The present invention has been made in order to solve the above-described problems, and is capable of improving design and reducing the manufacturing cost by reducing the number of parts. The purpose is to obtain.

  An elevator doorway apparatus according to the present invention is disposed at a lower part of an doorway that communicates between a car and a landing, and is provided above the doorway member that extends in the direction of the doorway of the doorway, and an elevator door for opening and closing the doorway. A groove extending in the entrance direction of the entrance / exit is provided, a sill provided below the entrance / exit floor member, an insert inserted into the groove, and a shape straddling the entrance / exit floor member to connect the elevator door and the insert And a door leg provided at the lower end of the elevator door.

1 is a front view showing an elevator doorway apparatus according to Embodiment 1 of the present invention. It is sectional drawing along the II-II line of FIG. It is principal part sectional drawing which shows the elevator doorway apparatus by Embodiment 2 of this invention.

Preferred embodiments of the present invention will be described below with reference to the drawings.
Embodiment 1 FIG.
FIG. 1 is a front view of an essential part showing an elevator doorway apparatus according to Embodiment 1 of the present invention. 2 is a cross-sectional view taken along line II-II in FIG. In addition, FIG. 1 is a principal part front view which shows the entrance / exit apparatus of an elevator when the landing side is seen from the hoistway side. In the figure, a floor board 2 as a decorative board is provided on the floor of the hall 1. Moreover, between the hall 1 and the hoistway 3, a hall entrance 4 that connects the hall 1 and the hoistway 3 is provided (FIG. 2).

  A support member 5 extending from the landing 1 to the hoistway 3 side is fixed to the floor of the landing 1 by anchor bolts. An entrance floor member 6 provided at a lower portion of the landing entrance 4 is fixed to the support member 5. The doorway floor member 6 is disposed at the end of the floor board 2. Further, the entrance / exit floor member 6 extends toward the entrance of the landing entrance 4. The rigidity of the entrance / exit floor member 6 is higher than the rigidity of the floor plate 2. Further, the rigidity of the entrance / exit floor member 6 is set to such a degree that the damage due to the collision of the carriage or the passenger can be prevented.

  Above the doorway floor member 6, a pair of landing doors 7 for opening and closing the landing doorway 4 are provided. The doors 7 of each landing can reciprocate in the frontage direction of the landing entrance 4. The hall entrance 4 is opened and closed by the reciprocation of the door 7 of each hall.

  Below the doorway floor member 6, a landing sill 8 is provided that extends toward the frontage of the landing doorway 4. The landing sill 8 is supported by a support member 9 fixed to the side wall of the hoistway 3 by anchor bolts. The landing threshold 8 is fixed to the support member 9 with bolts. The landing threshold 8 is provided with a groove 10 that is open upward. The groove portion 10 extends toward the entrance of the landing entrance 4.

  A plurality (two in this example) of door legs 11 are provided at the lower end of the door 7 of each landing. The leg 11 of each door has an insert 12 inserted into the groove 10 and a connecting member 13 that connects the insert 12 and the door 7 of the landing.

  The insert 12 includes a door guide shoe 14 disposed in the groove 10 and a shoe attachment portion 15 provided on the upper portion of the door guide shoe 14 for attaching the insert 12 to the connecting member 13.

  The connecting member 13 is shaped to straddle the entrance / exit floor member 6 from the lower end of the landing door 7 to the insert 12. That is, the shape of the connecting member 13 is a shape that extends from the upper side of the entrance / exit floor member 6 to the lower side of the entrance / exit floor member 6 through the hoistway 3 side of the entrance / exit floor member 6 while avoiding the entrance / exit floor member 6 ( Figure 2). Further, the connecting member 13 is integrally formed. Further, the connecting member 13 includes an upper mounting portion 16, a lower mounting portion 17, and a connecting portion 18 that connects the upper mounting portion 16 and the lower mounting portion 17 while avoiding the entrance / exit floor member 6.

  The upper mounting portion 16 is provided with a plurality of long holes 19 extending in the vertical direction. Each of the long holes 19 is provided in the upper mounting portion 16 at an interval in the vertical direction. The upper mounting portion 17 is fixed to the lower end portion of the landing door 7 by a plurality of bolts 20 which are fixing means passed through the long holes 19. The position of the connecting member 13 in the vertical direction with respect to the landing door 7 can be adjusted by adjusting the position of the bolt 20 with respect to the long hole 19. The position of the insertion body 12 in the vertical direction with respect to the groove 10 can be adjusted by adjusting the position of the connecting member 13 with respect to the landing door 7.

  The lower mounting portion 17 is provided with a plurality of bolt holes 21. The shoe attachment portion 15 is fixed to the lower attachment portion 18 by a bolt 22 that is screwed into each bolt hole 21.

  The connecting portion 18 is a vertical connection between the upper horizontal portion 23 and the lower horizontal portion 24 extending horizontally from the lower end portion of the upper mounting portion 16 and the upper end portion of the lower mounting portion 17, and the upper horizontal portion 23 and the lower horizontal portion 24. Part 25. The upper horizontal portion 23 is disposed above the entrance / exit floor member 6, and the lower horizontal portion 24 is disposed below the entrance / exit floor member 6. Moreover, the vertical part 25 is arrange | positioned at the hoistway 3 side of the doorway floor member 6 (FIG. 2).

  An upper reinforcing rib 26 and a lower reinforcing rib 27 for reinforcement are provided on the upper and lower portions of the connecting member 13, respectively. The upper reinforcing rib 26 is fixed between the side surface of the upper mounting portion 16 and the upper surface of the upper horizontal portion 23. Further, the lower reinforcing rib 27 is fixed between the side surface of the lower mounting portion 17 and the lower surface of the lower horizontal portion 24.

  Although not shown, the car that is lifted up and down the hoistway 3 is provided with a car doorway for getting on and off the car. The car is also equipped with a car door for opening and closing the car doorway. The car door is reciprocated by driving a motor mounted on the car. The car doorway is opened and closed by the reciprocation of the car door. The landing door 7 is engaged with the car door by the engaging device when the car is stopped on each floor. The landing door 7 can reciprocate together with the car door by the engagement of the engaging device.

  The elevator doorway communicating between the car and the hall 1 has a car doorway and a hall doorway 4. Moreover, the elevator door for opening and closing the entrance / exit of the elevator has a car door and a landing door 7.

  In such an elevator entrance / exit device, a landing door 7 is provided above the entrance floor member 6, and a landing sill 8 is provided below the entrance floor member 6, and is provided at the lower end of the landing door 7. The door leg 11 has an insert 12 to be inserted into the groove 10 of the landing sill 8 and a connecting member 13 which is formed to straddle the entrance floor member 6 and connects the insert 12 and the landing door 7. Therefore, the landing sill 8 that causes the deterioration of the design property can be hidden by the doorway floor member 6, and the design property can be improved. In addition, since the connecting member 13 has a shape straddling the doorway floor member 6, the number of parts for connecting the landing door 7 and the insert 12 can be reduced, and the manufacturing cost can be reduced. be able to.

  Moreover, since the groove part 10 provided in the boarding sill 8 is opened upward, the existing boarding sill 8 can be arranged as it is below the doorway floor member 6, and the present invention is applied to an existing elevator doorway device. Can be easily applied.

  Further, the position of the connecting member 13 with respect to the landing door 7 can be adjusted, and the position of the insertion body 12 with respect to the groove portion 10 is adjusted by adjusting the position of the connecting member 13 with respect to the landing door 7. Therefore, the amount of insertion into the groove 10 of the insert 12 can be adjusted at a position above the doorway floor member 6. Thereby, the adjustment operation | work of the insertion amount to the groove part 10 of the insertion body 12 can be easily performed from the inside of a cage | basket or the landing 1.

  Moreover, since the rigidity of the entrance / exit floor member 6 is higher than the rigidity of the floor plate 2, the entrance / exit floor member 6 can be prevented from being damaged due to a collision with a carriage or the like, and the design of the elevator entrance / exit device is deteriorated. Can be prevented.

  Moreover, since the connection member 13 is attached to the lower end portion of the landing door 7 by a plurality of bolts 20 arranged at intervals in the vertical direction, the attachment portion of the connection member 13 to the landing door 7, that is, The upper mounting portion 16 can be made difficult to deform.

  In the above example, the doorway floor member 6 is provided at the lower part of the landing doorway 4, and the door leg 11 that is inserted into the groove 10 across the doorway floor member 6 is provided at the lower end of the landing door 7. However, the door floor member 6 may be provided at the lower part of the car doorway, and the door leg 11 may be provided at the lower end of the car door for opening and closing the car doorway. In this case, a car sill provided with a groove portion into which the door leg 11 is inserted is disposed below the doorway floor member 6.

Embodiment 2. FIG.
FIG. 3 is a cross-sectional view of an essential part showing an elevator doorway apparatus according to Embodiment 2 of the present invention. In the figure, a stopper 31 for restricting displacement of the connecting member 13 in the direction away from the doorway floor member 6 toward the hoistway 3 is fixed to the upper surface of the landing sill 8 by bolts 32. The insertion body 12 is prevented from coming off from the groove portion 10 by restricting the amount of displacement of the connecting member 13 by the stopper 31. In this example, the magnitude of the inclination of the door leg 11 with respect to the landing threshold 8 is regulated by the stopper 31 so as to be smaller than the magnitude of the inclination of the insertion body 12 coming off the groove 10.

  The stopper 31 includes a fixed portion 33 that is horizontally fixed to the landing threshold 8 and a contact portion 34 that extends upward from an end portion of the fixed portion 33 on the hoistway 3 side. The lower reinforcing rib 27 is provided with an inclined portion 35 that can come into contact with the contact portion 34 by displacement of the connecting member 13 in a direction away from the entrance / exit floor member 6. The amount of displacement of the connecting member 13 in the direction away from the entrance / exit floor member 6 is regulated by the contact of the inclined portion 35 with the contact portion 34. Other configurations are the same as those in the first embodiment.

  In such an elevator entrance / exit device, since the stopper 31 for restricting the displacement of the connecting member 13 in the direction away from the entrance floor member 6 is provided on the landing threshold 8, the landing door 7 is the entrance floor member 6. When the door is tilted, the magnitude of the tilt of the landing door 7 can be kept within a predetermined range. For example, the insertion body 12 can be prevented from being detached from the groove portion 10 or from being damaged. it can.

  Further, the connecting member 13 is provided with a lower reinforcing rib 27 for reinforcing the connecting member 13, and displacement of the connecting member 13 is restricted by abutment of the lower reinforcing rib 27 on the stopper 31. Therefore, the strength of the connecting member 13 can be increased, and the displacement of the connecting member 13 in the direction away from the entrance / exit floor member 6 can be restricted with a simple configuration.

  In the above example, the stopper 31 is provided on the landing sill 8, but when the entrance floor member 6 is provided below the car entrance and the car sill is provided below the entrance floor member 6, A stopper may be provided. In this case, the lower leg of the car door is provided with a door leg 11 that is inserted into the groove of the car sill across the doorway floor member 6. Even in this case, it is possible to prevent the door leg 11 from coming off from the groove portion of the car sill with a simple configuration.

Moreover, in each said embodiment, although the insertion body 12 is being fixed to the connection member 13 with the volt | bolt 22, since adjustment of the position with respect to the elevator door of the connection member 13 is possible, the connection member 13 and shoe attachment The part 15 may be an integral member (single member), and the connecting member 13 and the insert 12 may be integrally configured.

Claims (6)

An entrance floor member disposed at a lower portion of an entrance communicating with the car and the landing, and extending in the entrance direction of the entrance;
An elevator door provided above the entrance floor member for opening and closing the entrance;
A groove extending in the entrance direction of the entrance is provided, a sill provided below the entrance floor member, an insert inserted into the groove, and a shape straddling the entrance floor member, the elevator door and the An elevator doorway device comprising: a connecting member that connects an insert and a door leg provided at a lower end portion of the elevator door. The position of the connecting member relative to the elevator door is adjustable.
The elevator doorway apparatus according to claim 1, wherein the position of the insert relative to the groove is adjusted by adjusting the position of the connecting member relative to the elevator door.   The elevator doorway apparatus according to claim 1 or 2, wherein the rigidity of the doorway floor member is higher than the rigidity of the floor of at least one of the car and the landing.   The elevator doorway apparatus according to any one of claims 1 to 3, wherein the connecting member is attached to the elevator door by fixing means arranged at intervals in the vertical direction.   The elevator according to any one of claims 1 to 4, wherein the sill is provided with a stopper for restricting displacement of the connecting member in a direction away from the entrance / exit floor member. Gateway device. The connecting member is provided with reinforcing ribs for reinforcing the connecting member,
The elevator doorway apparatus according to claim 5, wherein the displacement of the connecting member is regulated by contact of the reinforcing rib with the stopper.

Images