Elevator door stop device

Abstract

To provide an elevator door stop apparatus capable of switching a first door stop member and a second door stop member between a closed state and a communication state.SOLUTION: An elevator door stop apparatus according to the present invention comprises a first door stop member 19 and a second door stop member 20. The first door stop member 19 and the second door stop member 20 are switched between the closed state and the communication state by installing the first doo stop member 19 or the second door stop member 20 movably in the depth direction of a doorway, where the closed state is the state when the door of the doorway is in the closed state and the inner and outer spaces of the doorway are communicated via the interspace between the first doo stop member 19 and the second door stop member 20, and the communication state is the state when the inner and outer spaces of the doorway are communicated via the interspace between the first door stop member 19 and the second door stop member 20.SELECTED DRAWING: Figure 4

Description

[Technical Field]

[0001] The present invention relates to an elevator door stop device. [Background technology]

[0002] In conventional elevator door stop buffer members, the left and right buffer members installed at the abutting ends of both elevator sliding doors have protruding and recessed portions from the door stop ends, and the shape of the abutting contact surface is formed symmetrically around the center point M when the abutting parts are aligned.

[0003] In the above-described elevator door stop buffer member, gaps are less likely to occur at the collision portion, and the left and right buffer members can have the same shape. [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Japanese Patent Application Publication No. 60-23280 Summary of the Invention [Problem to be solved by the invention]

[0005] However, in conventional elevator door stop buffer members, the left and right buffer members are inserted into the sliding doors, respectively, and are fixed in place by being sandwiched between them in the width and depth directions of the doorway. Furthermore, when the doors are closed, the left and right buffer members are in a state where their abutting portions are in contact with each other. Therefore, when the doors are closed, no gap is created between the left and right buffer members, and the air inside the doorway and the air outside the doorway cannot be ventilated through the gap between the left and right buffer members.

[0006] The present invention has been made to solve the above-mentioned problems. [Means for solving the problem]

[0007] In the elevator doorstop device of the present invention, a first door and a second door move in opposite directions to each other in the width direction of the doorway to open the doorway at an open position where they are away from the center of the doorway and close the doorway at a closed position where they are close to the center of the doorway, and the doorstop surface of the first door and the doorstop surface of the second door are opposed to each other in the width direction of the doorway, and the elevator device includes a first doorstop member attached to the doorstop surface of the first door and a second doorstop member attached to the doorstop surface of the second door, the first doorstop member has a first tip surface opposed to the doorstop surface of the second door and a first side end surface facing one direction in the depth direction of the doorway, and the second doorstop member has a second tip surface opposed to the doorstop surface of the first door and a second side end surface facing the other direction in the depth direction of the doorway, When the door is in the closed position, a first gap is formed between the first tip surface and the doorstop surface of the second door, a second gap is formed between the second tip surface and the doorstop surface of the first door, the first side end surface and the second side end surface face each other in the depth direction of the entrance, and the first doorstop member or the second doorstop member is arranged to be movable in the depth direction of the entrance, so that the first doorstop member and the second doorstop member can switch their mutual states between a closed state and a communicating state when the first door and the second door are in the closed position. In the closed state, the first side end surface and the second side end surface come together, so that the first gap and the second gap are not in communication with each other via the first side end surface and the second side end surface, and in the communicating state, so that a third gap is formed between the first side end surface and the second side end surface, so that the first gap, the second gap, and the third gap are in communication with each other.

[0008] In the elevator doorstop device according to the present invention, a first door moves in the width direction of the entrance to open the entrance at an open position away from a doorstop frame that forms one side of the entrance in the width direction, and closes the entrance at a closed position approaching the doorstop frame, and a doorstop surface of the first door and a doorstop surface of the doorstop frame face each other in the width direction of the entrance. The elevator doorstop device includes a first doorstop member attached to the doorstop surface of the first door and a second doorstop member attached to the doorstop surface of the doorstop frame, the first doorstop member having a first tip surface facing the doorstop surface of the doorstop frame and a first side end surface facing one direction in the depth direction of the entrance, and the second doorstop member having a second tip surface facing the doorstop surface of the first door and a second side end surface facing the other direction in the depth direction of the entrance, and When the door is in this position, a first gap is formed between the first tip surface and the door stop surface of the door stop frame, a second gap is formed between the second tip surface and the door stop surface of the first door, the first side end surface and the second side end surface face each other in the depth direction of the entrance, and the first door stop member or the second door stop member is arranged to be movable in the depth direction of the entrance, so that the states of the first door stop member and the second door stop member when the first door is in the closed position can be switched between a closed state and a communicating state, and the closed state is a state in which the first side end surface and the second side end surface are brought together, so that the first gap and the second gap are not communicated between the first side end surface and the second side end surface, and the communicating state is a state in which a third gap is formed between the first side end surface and the second side end surface, so that the first gap, the second gap, and the third gap are communicated. [Effects of the Invention]

[0009] In the elevator doorstop device of the present invention, by placing the first doorstop member and the second doorstop member in a closed state, when the door of the doorway is in the closed position, noise can be prevented from being transmitted from the inside of the doorway to the outside of the doorway through the gap between the first doorstop member and the second doorstop member, and by placing the first doorstop member and the second doorstop member in a communicating state, when the door of the doorway is in the closed position, the air inside the doorway and the air outside the doorway can be ventilated through the gap between the first doorstop member and the second doorstop member. [Brief explanation of the drawings]

[0010] [Figure 1] FIG. 2 is a front view of the entrance in the first embodiment. [Figure 2] FIG. 2 is a front view of the entrance in the first embodiment. [Figure 3] FIG. 2 is a view taken along the arrow AA in FIG. [Figure 4] FIG. 4 is a detailed view of part B in FIG. 3. [Figure 5] FIG. 10 is a detailed view of a main part in a modified example of the first embodiment. [Figure 6] FIG. 10 is a front view of the entrance in the second embodiment. [Figure 7] FIG. 10 is a front view of the entrance in the second embodiment. [Figure 8] FIG. 7 is a view taken along the arrow CC in FIG. 6. [Figure 9] FIG. 9 is a detailed view of part D in FIG. 8. DETAILED DESCRIPTION OF THE INVENTION

[0011] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of an elevator door stop device according to the present invention will now be described with reference to the accompanying drawings.

[0012] First, the elevator doorstop device in the first embodiment will be described with reference to the drawings. Fig. 1 is a front view of a doorway in the first embodiment. Fig. 1 shows a closed position, which will be described later. Fig. 2 is a front view of a doorway in the first embodiment. Fig. 2 shows an open position, which will be described later. Fig. 3 is a view taken along the arrow AA in Fig. 1. Fig. 4 is a detailed view of part B in Fig. 3. (a) shows a closed state, which will be described later. (b) shows a connected state, which will be described later.

[0013] In Figures 1 to 4, 1 is an entrance / exit, 2 is a wall, 3 is the space inside the entrance / exit 1, 4 is the space outside the entrance / exit 1, 5 is an entrance / exit frame, 6 is a threshold, 7 is a first door, 8 is a second door, 9 is a door opening / closing device, and 10 is a door stop device.

[0014] The entrance / exit 1 is either an entrance / exit of the elevator car that is provided in the elevator car and leads to an entrance / exit of the hall, or an entrance / exit of the hall that is provided in the elevator hall and leads to an entrance / exit of the car. The opening / closing method of the entrance / exit 1 is a two-leaf door with a central opening.

[0015] Wall 2 is provided around doorway frame 5, and separates space 3 inside doorway 1 from space 4 outside doorway 1. When doorway 1 is the entrance to an elevator car, space 3 inside doorway 1 is the space inside the elevator car, and space 4 outside doorway 1 is the space of the elevator hoistway. When doorway 1 is the entrance to an elevator hall, space 3 inside doorway 1 is the space of the elevator hall, and space 4 outside doorway 1 is the space of the elevator hoistway.

[0016] The doorway frame 5 forms both widthwise sides and the top of the doorway 1. The doorway frame 5 has a vertical frame 11, a vertical frame 12, and a top frame 13. The vertical frame 11 forms one widthwise side of the doorway 1. The vertical frame 11 forms one widthwise end of the opening of the doorway 1. The vertical frame 12 forms the other widthwise side of the doorway 1. The vertical frame 12 forms the other widthwise end of the opening of the doorway 1. The top frame 13 forms the top of the doorway 1. The top frame 13 connects the top of the vertical frame 11 and the top of the vertical frame 12. The top frame 13 forms the top of the height of the opening of the doorway 1.

[0017] The threshold 6 forms the lower part of the doorway 1. The threshold 6 forms the lower end of the height of the opening of the doorway 1. The threshold 6 is provided below the first door 7 and the second door 8. The threshold 6 has a groove 6a formed in it. The groove 6a extends in the width direction of the doorway 1. The groove 6a guides the movement of the first door 7 in the opening and closing direction and the movement of the second door 8 in the opening and closing direction.

[0018] The first door 7 and the second door 8 mutually open and close the entrance 1. The first door 7 and the second door 8 are lined up with each other in the width direction of the entrance 1. The first door 7 and the second door 8 face each other in the width direction of the entrance 1.

[0019] In the closed position, the first door 7 is located inside the side of the vertical frame 11 in the width direction of the opening of the doorway 1. In the closed position, the second door 8 is located inside the side of the vertical frame 12 in the width direction of the opening of the doorway 1. In the closed position, the first door 7 and the second door 8 are close to each other in the center of the doorway 1 in the width direction of the doorway 1. In the closed position, the first door 7 and the second door 8 close the doorway 1 together.

[0020] In the open position, the first door 7 is located outside the vertical frame 11 side of the opening of the doorway 1 in the width direction of the doorway 1. In the open position, the second door 8 is located outside the vertical frame 12 side of the opening of the doorway 1 in the width direction of the doorway 1. In the open position, the first door 7 and the second door 8 are away from each other from the center of the doorway 1 in the width direction of the doorway 1. In the open position, the first door 7 and the second door 8 open the doorway 1 to each other.

[0021] The first door 7 and the second door 8 each move between an open position and a closed position. The first door 7 and the second door 8 are guided in their opening and closing movement by the threshold 6 and the door opening and closing device 9. The first door 7 and the second door 8 each move in the width direction of the doorway 1. The first door 7 and the second door 8 move in opposite directions. The first door 7 and the second door 8 each have a door body 14 and two door ash 15.

[0022] The door body 14 has a front surface 14a, a door stop surface 14b, a door pocket surface 14c, a folded surface 14d, and a folded surface 14e.

[0023] The front face 14a extends in the width and height directions of the doorway 1. The front face 14a faces inward in the depth direction of the doorway 1. The front face 14a of the first door 7 faces the vertical frame 11 in the depth direction of the doorway 1 in the open position and the closed position. The front face 14a of the first door 7 is located further outward in the depth direction of the doorway 1 than the vertical frame 11. The front face 14a of the second door 8 faces the vertical frame 12 in the depth direction of the doorway 1 in the open position and the closed position. The front face 14a of the second door 8 is located further outward in the depth direction of the doorway 1 than the vertical frame 12.

[0024] The doorstop surface 14b extends from the end of the front face 14a that is closer to the center of the width of the doorway 1 to the outside in the depth direction of the doorway 1. The doorstop surface 14b extends in the depth and height directions of the doorway 1. The doorstop surface 14b faces the center of the width of the doorway 1. The doorstop surface 14b of the first door 7 and the doorstop surface 14b of the second door 8 face each other in the width direction of the doorway 1. The doorstop surface 14b of the first door 7 has a plurality of oblong holes 14f formed therein. The plurality of oblong holes 14f each penetrate the doorstop surface 14b in the width direction of the doorway 1. The plurality of oblong holes 14f each face longitudinally in the depth direction of the doorway 1. The plurality of oblong holes 14f are arranged at intervals from one another in the height direction of the doorway 1. The doorstop surface 14b of the second door 8 has a plurality of round holes 14g formed therein. The plurality of round holes 14g each penetrates the doorstop surface 14b in the width direction of the doorway 1. The plurality of round holes 14g are arranged in the height direction of the doorway 1 at intervals from one another.

[0025] Door pocket surface 14c extends from the end of front surface 14a on the side opposite the center of doorway 1 in the width direction to the outside in the depth direction of doorway 1. Door pocket surface 14c extends in the depth and height directions of doorway 1. Door pocket surface 14c faces the side opposite to the center of doorway 1 in the width direction.

[0026] Folded surface 14d extends from the outer end of doorstop surface 14b in the depth direction of doorway 1 to the side opposite to the center in the width direction of doorway 1. Folded surface 14d extends in the width and height directions of doorway 1. Folded surface 14d faces outward in the depth direction of doorway 1.

[0027] Folded surface 14e extends from the outer end of door pocket surface 14c in the depth direction of doorway 1 toward the center in the width direction of doorway 1. Folded surface 14e extends in the width and height directions of doorway 1. Folded surface 14e faces outward in the depth direction of doorway 1.

[0028] Each door lash 15 is attached to the lower part of the door body 14. Each door lash 15 is attached to the outer side of the door body 14 in the depth direction of the doorway 1. Each door lash 15 extends downward below the door body 14. Each door lash 15 is inserted into a groove 6a of the threshold 6.

[0029] The door opening and closing device 9 supports the first door 7 and the second door 8. The door opening and closing device 9 guides the movement of the first door 7 in the opening and closing direction and the movement of the second door 8 in the opening and closing direction. The door opening and closing device 9 has a door opening and closing device frame 16, a door rail 17, two door hangers 18, and a door interlocking mechanism (not shown).

[0030] The door opening and closing device frame 16 is attached above the doorway 1.

[0031] The door rail 17 is attached to the door opening and closing device frame 16. The door rail 17 extends in the width direction of the doorway 1. The door rail 17 guides the movement of the first door 7 in the opening and closing direction and the movement of the second door 8 in the opening and closing direction.

[0032] Two door hangers 18 hang the first door 7 and the second door 8 from the door rail 17. One door hanger 18 hangs the first door 7 from the door rail 17. The other door hanger 18 hangs the second door 8 from the door rail 17. Each of the two door hangers 18 has a hanger plate 18a and two hanger rollers 18b.

[0033] One hanger plate 18a is attached to the top of the door body 14 of the first door 7. The other hanger plate 18a is attached to the top of the door body 14 of the second door 8. The two hanger rollers 18b of each door hanger 18 are rotatably attached to the hanger plate 18a of each door hanger 18. The two hanger rollers 18b of each door hanger 18 roll along the upper surface of the door rail 17. The two hanger rollers 18b of each door hanger 18 roll in the width direction of the doorway 1. The two door hangers 18 each move in the width direction of the doorway 1.

[0034] The door interlocking mechanism connects the two door hangers 18 to each other. The door interlocking mechanism interlocks the two door hangers 18 to each other. The door interlocking mechanism guides the movement of one door hanger 18 in the opening / closing direction and the movement of the other door hanger 18 in the opening / closing direction in opposite directions. The door interlocking mechanism ensures a one-to-one ratio between the amount of movement of one door hanger 18 in the opening / closing direction and the amount of movement of the other door hanger 18 in the opening / closing direction. The first door 7 moves together with one door hanger 18. The second door 8 moves together with the other door hanger 18. The door interlocking mechanism has mechanisms such as a wrapping transmission mechanism, a link mechanism, a cam mechanism, a friction transmission mechanism, a gear mechanism, and a screw mechanism.

[0035] The door stop device 10 has a first door stop member 19 , a second door stop member 20 , a first screw member 21 and a second screw member 22 .

[0036] The first doorstop member 19 is attached to the doorstop surface 14b of the first door 7. The first doorstop member 19 extends in the width direction of the doorway 1 towards the doorstop portion 14b of the second door 8. The first doorstop member 19 extends along the doorstop surface 14b of the first door 7 in the height direction of the doorway 1. The first doorstop member 19 extends from the height of the upper end of the opening of the doorway 1 to the height of the lower end of the first door 7. The outer shape of the cross section of the first doorstop member 19 perpendicular to the height direction of the doorway 1 is formed uniformly over the entire length in the height direction of the doorway 1. The thickness of the first doorstop member 19 in the depth direction of the doorway 1 is thinner than the thickness of the doorstop surface 14b of the first door 7 in the depth direction of the doorway 1.

[0037] The first doorstop member 19 has a first tip surface 19a, a first side end surface 19b, and a plurality of first holes 19c. The first tip surface 19a is the end surface of the first doorstop member 19 on the side of the second door 8. The first tip surface 19a faces the doorstop surface 14b of the second door 8. The first side end surface 19b is the end surface of the first doorstop member 19 on one side in the depth direction of the doorway 1. The first side end surface 19b is the end surface of the first doorstop member 19 on the inner side in the depth direction of the doorway 1. The first side end surface 19b faces in one direction in the depth direction of the doorway 1. The first side end surface 19b faces inward in the depth direction of the doorway 1. The first side end surface 19b is curved in a cross section perpendicular to the height direction of the doorway 1. The first side end surface 19b is curved in a direction perpendicular to the height direction of the doorway 1. The multiple first holes 19c each penetrate the first doorstop member 19 in the width direction of the doorway 1. The multiple first holes 19c are arranged at intervals from one another in the height direction of the doorway 1. The multiple first holes 19c correspond one-to-one to the multiple oblong holes 14f of the first door 7.

[0038] The second doorstop member 20 is attached to the doorstop surface 14b of the second door 8. The second doorstop member 20 extends in the width direction of the doorway 1 toward the doorstop portion 14b of the first door 7. The second doorstop member 20 extends in the height direction of the doorway 1 along the doorstop surface 14b of the second door 8. The second doorstop member 20 extends from the height of the upper end of the opening of the doorway 1 to the height of the lower end of the second door 8. The outer shape of the cross section of the second doorstop member 20 perpendicular to the height direction of the doorway 1 is formed uniformly over the entire length in the height direction of the doorway 1. The thickness of the second doorstop member 20 in the depth direction of the doorway 1 is thinner than the thickness of the doorstop surface 14b of the second door 8 in the depth direction of the doorway 1.

[0039] The second door stop member 20 has a second tip surface 20a, a second side end surface 20b, and a plurality of second holes 20c. The second tip surface 20a is the end surface of the second door stop member 20 on the side of the first door 7. The second tip surface 20a faces the door stop surface 14b of the first door 7. The second side end surface 20b is the end surface of the second door stop member 20 on the other side in the depth direction of the doorway 1. The second side end surface 20b is the end surface of the second door stop member 20 on the outer side in the depth direction of the doorway 1. The second side end surface 20b faces the other direction in the depth direction of the doorway 1. The second side end surface 20b faces outward in the depth direction of the doorway 1. The second side end surface 20b is curved in a cross section perpendicular to the height direction of the doorway 1. The second side end surface 20b is curved in a direction perpendicular to the height direction of the doorway 1. The multiple second holes 20c each penetrate the second doorstop member 20 in the width direction of the doorway 1. The multiple second holes 20c are arranged at intervals from one another in the height direction of the doorway 1. The multiple second holes 20c correspond one-to-one to the multiple round holes 14g of the second door 8.

[0040] The first doorstop member 19 and the second doorstop member 20 have the same cross-sectional outer shape perpendicular to the height direction of the doorway 1. The first doorstop member 19 and the second doorstop member 20 are arranged point-symmetrically with respect to a line extending in the height direction of the doorway 1.

[0041] When the first door 7 and the second door 8 are in the closed position, a first gap 23 is formed between the first tip surface 19a and the door abutment surface 14b of the second door 8, a second gap 24 is formed between the second tip surface 20a and the door abutment surface 14b of the first door 7, and the first side end surface 19b and the second side end surface 20b face each other in the depth direction of the doorway 1. The first tip surface 19a is located further outward in the depth direction of the doorway 1 than the second side end surface 20b. The second tip surface 20a is located further inward in the depth direction of the doorway 1 than the first side end surface 19b. The first gap 23 is located further outward in the depth direction of the doorway 1 than the second gap 24. The second gap 24 is located further inward in the depth direction of the doorway 1 than the first gap 23.

[0042] The first screw member 21 joins the door stop surface 14b of the first door 7 and the first door stop member 19. The first screw member 21 tightens the door stop surface 14b of the first door 7 and the first door stop member 19. The first screw member 21 has a plurality of first male screw members 21a and a plurality of first female screw members 21b. The plurality of first male screw members 21a and the plurality of first female screw members 21b correspond to each other in a one-to-one relationship.

[0043] The multiple first male screw members 21a pass through the corresponding elongated holes 14f and first holes 19c of the first door 7. The multiple first female screw members 21b have the shanks of the corresponding first male screw members 21a screwed into them. The multiple first female screw members 21b sandwich the door stop surface 14b of the first door 7 and the first door stop member 19 between themselves and the heads of the corresponding first male screw members 21a. The first door stop member 19 and the first screw members 21 close the multiple elongated holes 14f of the first door 7.

[0044] The second screw member 22 joins the door stop surface 14b of the second door 8 and the second door stop member 20. The second screw member 22 tightens the door stop surface 14b of the second door 8 and the second door stop member 20. The second screw member 22 has a plurality of second male screw members 22a and a plurality of second female screw members 22b. The plurality of second male screw members 22a and the plurality of second female screw members 22b correspond to each other in a one-to-one relationship.

[0045] The multiple second male screw members 22a pass through the corresponding round holes 14g and second holes 20c of the second door 8. The multiple second female screw members 22b have the shanks of the corresponding second male screw members 22a screwed into them. The multiple second female screw members 22b sandwich the door stop surface 14b of the second door 8 and the second door stop member 20 between themselves and the heads of the corresponding second male screw members 22a. The second door stop member 20 and the second screw members 22 close the multiple round holes 14g of the second door 8.

[0046] The first doorstop member 19 is provided so as to be movable in the depth direction of the doorway 1. By moving the first doorstop member 19 in the depth direction of the doorway 1, the first doorstop member 19 and the second doorstop member 20 can switch their mutual states between a closed state and a communicating state when the first door 7 and the second door 8 are in the closed position.

[0047] In the closed state, the first side end face 19b and the second side end face 20b are aligned. The closed state is a state in which the first gap 23 and the second gap 24 are not in communication with each other through the gap between the first side end face 19b and the second side end face 20b. The closed state is a state in which the space 3 inside the doorway 1 and the space 4 outside the doorway 1 are not in communication with each other through the gap between the first doorstop member 19 and the second doorstop member 20.

[0048] In the communicating state, the first side end face 19b and the second side end face 20b are separated from each other. In the communicating state, a third gap 25 is formed between the first side end face 19b and the second side end face 20b. The communicating state is a state in which the first gap 23, the second gap 24, and the third gap 25 are connected to each other. The communicating state is a state in which the space 3 inside the doorway 1 and the space 4 outside the doorway 1 are connected to each other via the first doorstop member 19 and the second doorstop member 20. In the communicating state, the straight rod-shaped body does not pass through the first gap 23, the second gap 24, or the third gap 25. In the connected state, a straight line passing through the end of the doorstop surface 14b of the first door 7 facing the first side end face 19b in the depth direction of the doorway 1 and the end of the doorstop surface 14b of the second door 8 facing the second side end face 20b in the depth direction of the doorway 1 crosses the first doorstop member 19 and the second doorstop member 20. This straight line is shown by a two-dot chain line in Figure 4(b).

[0049] In the closed state and the communicating state, the first doorstop member 19 does not protrude beyond the doorstop surface 14b of the first door 7 in either direction in the depth direction of the doorway 1. In the closed state and the communicating state, the second doorstop member 20 does not protrude beyond the doorstop surface 14b of the second door 8 in either direction in the depth direction of the doorway.

[0050] As described above, the first doorstop member 19 and the second doorstop member 20 are switchable between a closed state and a communicating state.

[0051] In the elevator doorstop device in embodiment 1, the first door 7 and the second door 8 move in opposite directions in the width direction of the doorway 1 to open the doorway 1 at an open position where they are far from the center of the doorway 1, and close the doorway 1 at a closed position where they are close to the center of the doorway 1, and the doorstop surface 14b of the first door 7 and the doorstop surface 14b of the second door 8 are opposed to each other in the width direction of the doorway 1. The first door stop member 19 has a first tip surface 19a that faces the door stop surface 14b of the second door 8 and a first side end surface 19b that faces one direction in the depth direction of the doorway 1, and the second door stop member 20 has a second tip surface 20a that faces the door stop surface 14b of the first door 7 and a second side end surface 20b that faces the other direction in the depth direction of the doorway 1, and the first door 7 and the second door 8 When the first door 7 and the second door 8 are in the closed position, a first gap 23 is formed between the first tip surface 19a and the door stop surface 14b of the second door 8, and a second gap 24 is formed between the second tip surface 20a and the door stop surface 14b of the first door 7, and the first side end surface 19b and the second side end surface 20b face each other in the depth direction of the doorway 1. The first door stop member 19 is provided so as to be movable in the depth direction of the doorway 1, so that when the first door 7 and the second door 8 are in the closed position, the first door stop member 19 and the second door stop member 20 The states of these gaps can be switched between a closed state and a communicating state. In the closed state, the first side end face 19b and the second side end face 20b are brought together, so that the first gap 23 and the second gap 24 are not connected between the first side end face 19b and the second side end face 20b. In the communicating state, a third gap 25 is formed between the first side end face 19b and the second side end face 20b, so that the first gap 23, the second gap 24, and the third gap 25 are connected to each other.

[0052] As a result, by placing the first doorstop member 19 and the second doorstop member 20 in a closed state, when the first door 7 and the second door 8 are in the closed position, noise is prevented from being transmitted from the inside of the entrance / exit 1 to the outside of the entrance / exit 1 through the gap between the first doorstop member 19 and the second doorstop member 70, and by placing the first doorstop member 19 and the second doorstop member 20 in a communicating state, when the first door 7 and the second door 8 are in the closed position, the air inside the entrance / exit 1 and the air outside the entrance / exit 1 can be ventilated through the gap between the first doorstop member 19 and the second doorstop member 70.

[0053] Furthermore, the first doorstop member 19 and the second doorstop member 20 can be switched between the closed state and the communicating state without changing the widthwise positions of the first door 7 and the second door 8 in the closed position.

[0054] In the elevator doorstop device of embodiment 1, the thickness of the first doorstop member 19 in the depth direction of the entrance 1 is thinner than the thickness of the doorstop surface 14b of the first door 7 in the depth direction of the entrance 1, and the thickness of the second doorstop member 20 in the depth direction of the entrance 1 is thinner than the thickness of the doorstop surface 14b of the second door 8 in the depth direction of the entrance 1, so that in the closed state and the connected state, the first doorstop member 19 does not protrude in either direction in the depth direction of the entrance 1 beyond the doorstop surface 14b of the first door 7, and the second doorstop member 20 does not protrude in either direction in the depth direction of the entrance 1 beyond the doorstop surface 14b of the second door 8.

[0055] This allows the first door stop member 19 and the second door stop member 20 to be installed without affecting the installation positions of the equipment installed on the first door 7 and the second door 8. For example, when safety devices that detect the presence of a user between the first door 7 and the second door 8 are installed further outward in the depth direction of the doorway 1 than the door stop surface 14b of the first door 7 and further outward in the depth direction of the doorway 1 than the door stop surface 14b of the second door 8, the first door stop member 19 and the second door stop member 20 can be installed without affecting the installation positions of the safety devices. Examples of such safety devices include a safety tissue, which is a mechanical sensor, and a multi-beam door sensor, which is a photoelectric door sensor.

[0056] In the elevator doorstop device of embodiment 1, the first side end face 19b and the second side end face 20b are each curved in a direction perpendicular to the height direction of the entranceway 1, and in the connected state, a straight line passing through the end of the doorstop surface 14b of the first door 7 toward which the first side end face 19b faces in the depth direction of the entranceway 1 and the end of the doorstop surface 14b of the second door 8 toward which the second side end face 20b faces in the depth direction of the entranceway 1 crosses the first doorstop member 19 and the second doorstop member 20.

[0057] As a result, in the connected state, the rod-shaped body cannot penetrate the first gap 23, the second gap 24 and the third gap 25, and does not protrude from the space inside the entrance / exit 1 to the space outside the entrance / exit 1, thereby preventing damage to equipment installed in the space of the elevator hoistway.

[0058] In addition, in the communication state, noise transmitted from the inside of the entrance 1 to the outside of the entrance 1 through the first gap 23, the second gap 24 and the third gap 25 can be reduced.

[0059] In addition, in the communicating state, light can be prevented from shining directly from the inside of the entrance / exit 1 to the outside of the entrance / exit 1 through the first gap 23, the second gap 24 and the third gap 25.

[0060] In the elevator doorstop device of embodiment 1, in the connected state, a straight line passing through the end of the doorstop surface 14b of the first door 7 facing the first side end face 19b in the depth direction of the entranceway 1 and the end of the doorstop surface 14b of the second door 8 facing the second side end face 20b in the depth direction of the entranceway 1 only needs to cross at least one of the first doorstop member 19 and the second doorstop member 20.

[0061] In the elevator doorstop device of embodiment 1, at least one of the first doorstop member 19 and the second doorstop member 20 is provided so as to be movable in the depth direction of the doorway 1, so that the first doorstop member 19 and the second doorstop member 20 can switch their states between a closed state and a communicating state when the first door 7 and the second door 8 are in the closed position. When the second doorstop member 20 is provided so as to be movable in the depth direction of the doorway 1, the round hole 14g is made an elongated hole, and the elongated hole is oriented longitudinally in the depth direction of the doorway 1.

[0062] In the elevator door stop device in the first embodiment, first door stop member 19 and second door stop member 20 may be inverted with respect to a plane perpendicular to the depth direction of doorway 1.

[0063] In the elevator doorstop device of embodiment 1, the entrance / exit 1 is not limited to a two-door central opening entrance / exit that is opened and closed by a first door 7 and a second door 8, but may be any central opening entrance / exit that is opened and closed by multiple doors.

[0064] Next, an elevator door stop device according to a modified example of the first embodiment will be described with reference to the drawings. Fig. 5 is a detailed view of the main parts of the modified example of the first embodiment. (a) shows the blocked state. (b) shows the communicating state. Fig. 5 is a view corresponding to Fig. 4. In the description of the elevator door stop device according to the modified example of the first embodiment, the description of the same configuration as the elevator door stop device according to the first embodiment will be omitted as appropriate, and the reference numerals in the drawings will be omitted as appropriate.

[0065] The elevator door stop device in the modified example of the first embodiment is the same as the elevator door stop device in the first embodiment, except that it includes a first restricting member 26.

[0066] The first restricting member 26 is attached to the door-stopping surface 14b of the second door 8. The first restricting member 26 extends toward the first tip surface 19a. The first restricting member 26 is located between the door-stopping surface 14b of the first door 7 and the door-stopping surface 14b of the second door 8 in the width direction of the doorway 1. In the closed state, the first restricting member 26 is not located between the door-stopping surface 14b of the second door 8 and the first tip surface 19a in the width direction of the doorway 1. In the connected state, the first restricting member 26 is located between the door-stopping surface 14b of the second door 8 and the first tip surface 19a in the width direction of the doorway 1. In the connected state, the first restricting member 26 faces the door-stopping surface 14b and the first tip surface 19a of the second door 8 in the width direction of the doorway 1. In the connected state, the first restricting member 26 abuts against the door-stopping surface 14b and the first tip surface 19a of the second door 8. In the communicating state, the first restricting member 26 is sandwiched between the door abutment surface 14b and the first tip surface 19a of the second door 8. The first restricting member 26 is provided so as not to block the first gap 23.

[0067] The elevator doorstop device in a modified example of embodiment 1 is provided with a first restricting member 26, which is attached to the second door 8 and is positioned between the doorstop surface 14b of the first door 7 and the doorstop surface 14b of the second door 8 in the width direction of the entrance / exit 1, and in the connected state, the first restricting member 26 is positioned between the doorstop surface 14b of the second door 8 and the first tip surface 19a in the width direction of the entrance / exit 1, and is sandwiched between the doorstop surface 14b of the second door 8 and the first tip surface 19a.

[0068] This restricts the first door 7 and the second door 8 from moving closer to each other than in the closed position, so that the first gap 23 and the second gap 24 can be reliably opened in the communicating state.

[0069] In the elevator doorstop device in a modified example of embodiment 1, the first restricting member 26 is attached to the second door 8, and in the closed state, the first restricting member 26 is not positioned between the doorstop surface 14b of the first door 7 and the doorstop surface 14b of the second door 8 in the width direction of the entrance / exit 1.

[0070] This allows the first side end portion 19b and the second side end portion 20b to be reliably aligned in the closed state.

[0071] In the elevator door stop device according to the modified example of the first embodiment, the first restricting member 26 is attached to the first door stop member 19 and is located between the door stop surface 14b of the first door 7 and the door stop surface 14b of the second door 8 in the width direction of the doorway 1, and in the communicating state, the first restricting member 26 may be located between the door stop surface 14b of the second door 8 and the first tip surface 19a in the width direction of the doorway 1 and be sandwiched between the door stop surface 14b of the second door 8 and the first tip surface 19a. In this case, in the closed state, the first restricting member 26 is sandwiched between the door stop surface 14b of the second door 8 and the first tip surface 19a, and the first side end 19b and the second side end 20b are aligned.

[0072] In addition, the elevator doorstop device in the modified example of Embodiment 1 may include a second restricting member, which is attached to the first door 7 or the second doorstop member 20 and is located between the doorstop surface 14b of the first door 7 and the doorstop surface 14b of the second door 8 in the width direction of the doorway 1, and in the communicating state, the second restricting member may be located between the doorstop surface 14b of the first door 7 and the second tip surface 20a in the width direction of the doorway 1 and may be sandwiched between the doorstop surface 14b of the first door 7 and the second tip surface 20a. When the second restricting member is included, the first restricting member 26 does not have to be included.

[0073] Next, an elevator doorstop device according to a second embodiment will be described with reference to the drawings. Fig. 6 is a front view of a doorway according to the second embodiment. Fig. 6 shows a closed position, which will be described later. Fig. 7 is a front view of a doorway according to the second embodiment. Fig. 7 shows an open position, which will be described later. Fig. 8 is a view taken along arrow CC in Fig. 6. Fig. 9 is a detailed view of part D in Fig. 8. (a) shows a blocked state, which will be described later. (b) shows a connected state, which will be described later.

[0074] In Figures 6 to 9, 51 is a doorway, 52 is a wall, 53 is the space inside the doorway 51, 54 is the space outside the doorway 51, 55 is a door frame, 56 is a threshold, 57 is a first door, 58 is a second door, 59 is a door opening / closing device, and 60 is a door stop device.

[0075] The entrance / exit 51 is a car entrance / exit provided in the elevator cab and leading to a landing entrance / exit, or a landing entrance / exit provided in the elevator landing and leading to the car entrance / exit. The opening / closing method of the entrance / exit 51 is a double-door single swing type.

[0076] Wall 52 is provided around doorway frame 55, and separates space 53 inside doorway 51 from space 54 outside doorway 51. When doorway 51 is the entrance to an elevator car, space 53 inside doorway 51 is the space inside the elevator car, and space 54 outside doorway 51 is the space of the elevator hoistway. When doorway 51 is the entrance to an elevator hall, space 53 inside doorway 51 is the space of the elevator hall, and space 54 outside doorway 51 is the space of the elevator hoistway.

[0077] The doorway frame 55 forms both widthwise side portions and the top of the doorway 51. The doorway frame 55 has a doorstop frame 61, a door pocket frame 62, and a top frame 63. The doorstop frame 61 forms one widthwise side portion of the doorway 51. The doorstop frame 61 forms one widthwise end of the opening of the doorway 51. The door pocket frame 62 forms the other widthwise side portion of the doorway 51. The door pocket frame 62 forms the other widthwise end of the opening of the doorway 51. The top frame 63 forms the top of the doorway 51. The top frame 63 connects the top of the doorstop frame 61 and the top of the door pocket frame 62. The top frame 63 forms the top of the opening of the doorway 51.

[0078] The door stop frame 61 has a sighting surface 61a, a sighting surface 61b, a door slitting surface 61c, a door stop surface 61d, a facing surface 61e, a scattering surface 61f, and a scattering surface 61g.

[0079] The sighting surface 61a extends in the width and height directions of the entrance / exit 51. The sighting surface 61a faces inward in the depth direction of the entrance / exit 51.

[0080] The visible surface 61b extends from the end of the visible surface 61a on the center side in the width direction of the doorway 51 to the outside in the depth direction of the doorway 51. The visible surface 61b extends in the depth direction and height direction of the doorway 51. The visible surface 61b faces the center side in the width direction of the doorway 51. The visible surface 61b forms the edge on one side of the width of the opening of the doorway 51.

[0081] The door slit surface 61c extends from the outer end of the front surface 61b in the depth direction of the doorway 51 to the side opposite the center in the width direction of the doorway 51. The door slit surface 61c extends in the width and height directions of the doorway 51. The door slit surface 61c faces outward in the depth direction of the doorway 51.

[0082] The doorstop surface 61d extends from the end of the door gap surface 61c opposite the center of the doorway 51 in the width direction to the outside in the depth direction of the doorway 51. The doorstop surface 61d extends in the depth and height directions of the doorway 51. The doorstop surface 61d faces the center of the doorway 51 in the width direction. The doorstop surface 61d has a plurality of oblong holes 61h formed therein. The plurality of oblong holes 61h each penetrate the doorstop surface 61d in the width direction of the doorway 51. The longitudinal direction of the plurality of oblong holes 61h each faces the depth direction of the doorway 51. The plurality of oblong holes 61h are lined up at intervals from one another in the height direction of the doorway 51.

[0083] The facing surface 61e extends from the outside of the doorstop surface 61d in the depth direction of the doorway 51 to the side opposite the center in the width direction of the doorway 51. The facing surface 61e extends in the width and height directions of the doorway 51. The facing surface 61e faces outward in the depth direction of the doorway 51.

[0084] The scattering surface 61f extends from the side of the sight surface 61a opposite the center of the width direction of the entrance / exit 51 to the outside in the depth direction of the entrance / exit 51. The scattering surface 61f extends in the depth direction and height direction of the entrance / exit 51. The scattering surface 61f faces the side opposite the center of the width direction of the entrance / exit 51.

[0085] The scattering surface 61g extends from the side of the inside face 61e opposite the center of the width direction of the entrance 51 toward the inside in the depth direction of the entrance 51. The scattering surface 61g extends in the depth direction and height direction of the entrance 51. The scattering surface 61g faces the side opposite the center of the width direction of the entrance 51.

[0086] The threshold 56 forms the lower part of the doorway 51. The threshold 56 forms the lower end of the height of the opening of the doorway 51. The threshold 56 is provided below the first door 57 and the second door 58. The threshold 56 has two grooves 56a formed therein. The two grooves 56a each extend in the width direction of the doorway 51. The two grooves 56a are spaced apart in the depth direction of the doorway 51. One groove 56a is located further outward in the depth direction of the doorway 51 than the other groove 56a. The other groove 56a is located further inward in the depth direction of the doorway 51 than the one groove 56a. One groove 56a guides the movement of the first door 57 in the opening and closing direction. The other groove 56a guides the movement of the second door 58 in the opening and closing direction.

[0087] The first door 57 and the second door 58 mutually open and close the entrance 51. The first door 57 and the second door 58 are spaced apart from each other in the depth direction of the entrance 51. The first door 57 is located further outward in the depth direction of the entrance 51 than the second door 58. The second door 58 is located further inward in the depth direction of the entrance 51 than the first door 57. The first door 57 and the second door 58 face each other in the depth direction of the entrance 51.

[0088] In the closed position, the first door 57 is located inside the doorstop frame 61 in the width direction of the opening of the doorway 51. In the closed position, the second door 58 is located inside the opening of the doorway 51 on the opposite side of the doorstop frame 61 in the width direction of the doorway 51. In the closed position, the first door 57 and the second door 58 are each close to the doorstop frame 61. In the closed position, the first door 57 and the second door 58 mutually close the doorway 51.

[0089] In the open position, the first door 57 and the second door 58 are located outside the opening of the doorway 51 on the side opposite the doorstop frame 61 in the width direction of the doorway 51. In the open position, the first door 57 and the second door 58 are each away from the doorstop frame 61. In the closed position, the first door 57 and the second door 58 mutually open the doorway 51.

[0090] The first door 57 and the second door 58 each move between an open position and a closed position. The first door 57 and the second door 58 are guided in their opening and closing movement by a threshold 56 and a door opening and closing device 59. The first door 57 and the second door 58 each move in the width direction of the doorway 51. The first door 57 and the second door 58 move in the same direction as each other. The first door 57 and the second door 58 each have a door body 64 and two door shells 65.

[0091] The door body 64 has a front surface 64a, a door stop surface 64b, a door pocket surface 64c, a folded surface 64d, and a folded surface 64e.

[0092] The front face 64a extends in the width and height directions of the doorway 51. The front face 64a faces inward in the depth direction of the doorway 51. The front face 64a of the first door 57 faces the door recess surface 61c of the door stop frame 61 in the depth direction of the doorway 51 in the closed position. The front face 64a of the first door 57 is located further outward in the depth direction of the doorway 51 than the door recess surface 61c of the door stop frame 61. The front face 64a of the first door 57 faces the door pocket frame 62 in the depth direction of the doorway 51 in the open position. The front face 64a of the first door 57 is located further outward in the depth direction of the doorway 51 than the door pocket frame 62. The front face 64a of the second door 58 faces the door pocket frame 62 in the depth direction of the doorway 51 in the open position and the closed position. The front surface 64a of the second door 58 is located outside the door pocket frame 62 in the depth direction of the doorway 51.

[0093] The doorstop surface 64b extends from the end of the front face 64a on the doorstop frame 61 side in the width direction of the doorway 51 to the outside in the depth direction of the doorway 51. The doorstop surface 64b extends in the depth and height directions of the doorway 51. The doorstop surface 64b faces the doorstop frame 61 in the width direction of the doorway 51. The doorstop surface 64b of the first door 57 faces the doorstop surface 61d of the doorstop frame 61 in the width direction of the doorway 51. The doorstop surface 64b of the first door 57 is located closer to the center in the width direction of the doorway 51 than the doorstop surface 61d of the doorstop frame 61. The doorstop surface 61d of the doorstop frame 61 is located on the opposite side from the center in the width direction of the doorway 51 than the doorstop surface 64b of the first door 57. The doorstop surface 64b of the first door 57 has a plurality of round holes 64f formed therein. The plurality of round holes 64f each penetrates the doorstop surface 64b of the first door 57 in the width direction of the doorway 51. The plurality of round holes 64f are provided at intervals from one another in the height direction of the doorway 51. The doorstop surface 64b of the second door 58 is located more inward than the front face 64a of the first door 57 in the depth direction of the doorway 51.

[0094] The door pocket surface 64c extends outward in the depth direction of the doorway 51 from the end of the front surface 64a on the side opposite the doorstop frame 61 in the width direction of the doorway 51. The door pocket surface 64c extends in the depth and height directions of the doorway 51. The door pocket surface 64c faces the side opposite the doorstop frame 61 in the width direction of the doorway 51.

[0095] The folded surface 64d extends from the outer end of the doorstop surface 64b in the depth direction of the doorway 51 to the side opposite the doorstop frame 61 in the width direction of the doorway 51. The folded surface 64d extends in the width and height directions of the doorway 51. The folded surface 64d faces outward in the depth direction of the doorway 51. The folded surface 64d of the second door 58 faces the front surface 64a of the first door 57 in the open position and the closed position. The folded surface 64d of the second door 58 is located more inward in the depth direction of the doorway 51 than the front surface 64a of the first door 57.

[0096] The folded surface 64e extends from the outer end of the door pocket surface 64c in the depth direction of the doorway 51 toward the door stop frame 61 in the width direction of the doorway 51. The folded surface 64e extends in the width and height directions of the doorway 51. The folded surface 64e faces outward in the depth direction of the doorway 51. The folded surface 64e of the second door 58 faces the front surface 64a of the first door 57 in the closed position. The folded surface 64e of the second door 58 is located more inward in the depth direction of the doorway 51 than the front surface 64a of the first door 57.

[0097] Each door sash 65 is attached to the lower part of the door body 64. Each door sash 65 is attached to the outer side of the door body 64 in the depth direction of the doorway 51. Each door sash 65 extends downward below the door body 64. Each door sash 65 is inserted into a groove 56a of the threshold 56. The door sash 65 attached to the first door 7 is inserted into one groove 56a of the threshold 56. The door sash 65 attached to the second door 8 is inserted into the other groove 56a of the threshold 56.

[0098] The door opening and closing device 59 supports the first door 57 and the second door 58. The door opening and closing device 59 guides the movement of the first door 57 in the opening and closing direction and the movement of the second door 58 in the opening and closing direction. The door opening and closing device 59 has a door opening and closing device frame 66, two door rails 67, two door hangers 68, and a door interlocking mechanism (not shown).

[0099] The door opening and closing device frame 66 is attached above the entrance 51.

[0100] The two door rails 67 are each attached to a door opening and closing device frame 66. The two door rails 67 each extend in the width direction of the doorway 51. The two door rails 67 are spaced apart in the depth direction of the doorway 51. One door rail 67 is positioned further outward in the depth direction of the doorway 51 than the other door rail 67. The other door rail 67 is positioned further inward in the depth direction of the doorway 51 than the one door rail 67. One door rail 67 guides the movement of the first door 57 in the opening and closing direction. The other door rail 67 guides the movement of the second door 58 in the opening and closing direction.

[0101] The two door hangers 68 suspend the first door 57 and the second door 58 from the two door rails 67. One door hanger 68 suspends the first door 57 from one door rail 67. The other door hanger 68 suspends the second door 58 from the other door rail 67. Each of the two door hangers 68 has a hanger plate 68a and two hanger rollers 68b.

[0102] One hanger plate 68a is attached to the top of the door body 64 of the first door 57. The other hanger plate 68a is attached to the top of the door body 64 of the second door 58. The two hanger rollers 68b of each door hanger 68 are rotatably attached to the hanger plate 68a of each door hanger 68. The two hanger rollers 68b attached to one hanger plate 68a each roll along the top surface of one door rail 67. The two hanger rollers 68b attached to the other hanger plate 68a each roll along the top surface of the other door rail 67. The two hanger rollers 68b of each door hanger 68 roll in the width direction of the doorway 51. The two door hangers 68 each move in the width direction of the doorway 51.

[0103] The door interlocking mechanism connects the two door hangers 68 to each other. The door interlocking mechanism interlocks the two door hangers 68 to each other. The door interlocking mechanism guides the movement of one door hanger 68 in the opening / closing direction and the movement of the other door hanger 68 in the opening / closing direction in the same direction. The door interlocking mechanism sets the ratio of the amount of movement of one door hanger 68 in the opening / closing direction to the amount of movement of the other door hanger in the opening / closing direction at 2:1. The first door 57 moves together with one door hanger 68. The second door 58 moves together with the other door hanger 68. The door interlocking mechanism has mechanisms such as a wrapping transmission mechanism, a link mechanism, a cam mechanism, a friction transmission mechanism, a gear mechanism, and a screw mechanism.

[0104] The door stop device 60 has a first door stop member 69 , a second door stop member 70 , a first screw member 71 and a second screw member 72 .

[0105] The first doorstop member 69 is attached to the doorstop surface 64b of the first door 57. The first doorstop member 69 extends in the width direction of the doorway 51 toward the doorstop portion 61d of the doorstop frame 61. The first doorstop member 69 extends along the doorstop surface 64b of the first door 57 in the height direction of the doorway 51. The first doorstop member 69 extends from the height of the upper end of the opening of the doorway 51 to the height of the lower end of the first door 57. The outer shape of a cross section of the first doorstop member 69 perpendicular to the height direction of the doorway 51 is formed uniformly over the entire length of the doorway 51 in the height direction. The thickness of the first doorstop member 69 in the depth direction of the doorway 51 is thinner than the thickness of the doorstop surface 64b of the first door 57 in the depth direction of the doorway 51.

[0106] The first doorstop member 69 has a first tip surface 69a, a first side end surface 69b, and a plurality of first holes 69c. The first tip surface 69a is the end surface of the first doorstop member 69 on the doorstop frame 61 side. The first tip surface 69a faces the doorstop surface 61d of the doorstop frame 61. The first side end surface 69b is the end surface of the first doorstop member 69 on one side in the depth direction of the doorway 51. The first side end surface 69b is the outer end surface of the first doorstop member 69 in the depth direction of the doorway 51. The first side end surface 69b faces in one direction in the depth direction of the doorway 51. The first side end surface 69b faces outward in the depth direction of the doorway 51. The multiple first holes 69c each penetrate the first doorstop member 69 in the width direction of the doorway 51. The multiple first holes 69c are aligned at intervals in the height direction of the doorway 51. The multiple first holes 69c correspond one-to-one to the multiple round holes 64f of the first door 57.

[0107] The second doorstop member 70 is attached to the doorstop surface 61d of the doorstop frame 61. The second doorstop member 70 extends in the width direction of the doorway 51 toward the doorstop portion 64b of the first door 57. The second doorstop member 70 extends along the doorstop surface 61d of the doorstop frame 61 in the height direction of the doorway 51. The second doorstop member 70 extends across the height of the upper end of the opening of the doorway 51 and the height of the lower end of the first door 57. The outer shape of the cross section of the second doorstop member 70 perpendicular to the height direction of the doorway 51 is formed uniformly over the entire length in the height direction of the doorway 51.

[0108] The second door stop member 70 has a second tip surface 70a, a second side end surface 70b, and a plurality of second holes 70c. The second tip surface 70a is the end surface of the second door stop member 70 on the side of the first door 57. The second tip surface 70a faces the door stop surface 64b of the first door 57. The second side end surface 70b is the end surface of the second door stop member 70 on the other side in the depth direction of the doorway 51. The second side end surface 70b is the end surface of the second door stop member 70 on the inner side in the depth direction of the doorway 51. The first side end surface 69b faces the other direction in the depth direction of the doorway 51. The first side end surface 69b faces inward in the depth direction of the doorway 51. The multiple second holes 70c each penetrate the second door stop member 70 in the width direction of the doorway 51. The second holes 70c are arranged at intervals in the height direction of the doorway 51. The second holes 70c correspond one-to-one to the elongated holes 61h of the doorstop frame 61.

[0109] The first doorstop member 69 and the second doorstop member 70 have the same cross-sectional outer shape perpendicular to the height direction of the doorway 51. The first doorstop member 69 and the second doorstop member 70 are arranged point-symmetrically with respect to a line extending in the height direction of the doorway 51.

[0110] When the first door 57 is in the closed position, the first doorstop member 69 and the second doorstop member 70 face the door slit surface 61c in the depth direction of the doorway 51. The first doorstop member 69 and the second doorstop member 70 are positioned outside the door slit surface 61c in the depth direction of the doorway 51.

[0111] When the first door 57 is in the closed position, a first gap 73 is formed between the first tip surface 69a and the door stop surface 61d of the door stop frame 61, a second gap 74 is formed between the second tip surface 70a and the door stop surface 64b of the first door 57, and the first side end surface 69b and the second side end surface 70b face each other in the depth direction of the doorway 51. The first tip surface 69a is located more inward in the depth direction of the doorway 51 than the second side end surface 70b. The second tip surface 70a is located more outward in the depth direction of the doorway 51 than the first side end surface 69b. The first gap 73 is located more inward in the depth direction of the doorway 51 than the second gap 74. The first gap 73 is located closer to the door stop surface in the depth direction of the doorway than the second gap 74. The second gap 74 is located more outward in the depth direction of the doorway 51 than the first gap 73. The second gap 74 is located on the opposite side of the door jamb surface 61c in the depth direction of the entranceway from the first gap 73.

[0112] The first screw member 71 joins the door stop surface 64b of the first door 57 and the first door stop member 69. The first screw member 71 tightens the door stop surface 64b of the first door 57 and the first door stop member 69. The first screw member 71 has a plurality of first male screw members 71a and first female screw members 71b.

[0113] The multiple first male screw members 71a pass through the corresponding round holes 64f and first holes 69c of the first door 57. The shafts of the multiple first male screw members 71a are screwed into the first female screw member 71b. The first female screw member 71b sandwiches the door stop surface 64b of the first door 57 and the first door stop member 69 between itself and the heads of the multiple first male screw members 71a. The first door stop member 69 and the first screw member 71b close the multiple round holes 64f of the first door 57.

[0114] The second screw member 72 joins the door stop surface 61d of the door stop frame 61 and the second door stop member 70. The second screw member 72 tightens the door stop surface 61d of the door stop frame 61 and the second door stop member 70. The second screw member 72 has a plurality of second male screw members 72a and second female screw members 72b.

[0115] The multiple second male screw members 72a pass through the corresponding elongated holes 61h and second holes 70c of the door stop frame 61. The shaft portions of the multiple second male screw members 72a are screwed into the second female screw member 72b. The second female screw member 72b sandwiches the door stop surface 61d of the door stop frame 61 and the second door stop member 70 between itself and the heads of the multiple second male screw members 72a. The second door stop member 70 and the second screw member 72 close the multiple elongated holes 61h of the door stop frame 61.

[0116] The second doorstop member 70 is provided so as to be movable in the depth direction of the doorway 51. By moving the second doorstop member 70 in the depth direction of the doorway 51, the first doorstop member 69 and the second doorstop member 70 can switch their mutual states between a closed state and a communicating state when the first door 57 is in the closed position.

[0117] In the closed state, the first side end surface 69b and the second side end surface 70b are aligned. The closed state is a state in which the first gap 73 and the second gap 74 are not in communication with each other through the gap between the first side end surface 69b and the second side end surface 70b. The closed state is a state in which the space 53 inside the doorway 51 and the space 54 outside the doorway 51 are not in communication with each other through the gap between the first doorstop member 69 and the second doorstop member 70.

[0118] In the communicating state, the first side end face 69b and the second side end face 70b are separated from each other. In the communicating state, a third gap 75 is formed between the first side end face 69b and the second side end face 70b. The communicating state is a state in which the first gap 73, the second gap 74, and the third gap 75 are communicated with each other. The communicating state is a state in which the space 53 inside the doorway 51 and the space 54 outside the doorway 51 are communicated with each other via the first doorstop member 69 and the second doorstop member 70. In the communicating state, the straight rod-shaped body does not pass through the first gap 73, the second gap 74, or the third gap 75. In the connected state, a straight line passing through the end of the door stop surface 61d of the door stop frame 61 opposite the door stop surface 61c in the depth direction of the doorway 51 and the end of the door stop surface 61c of the door stop frame 61 on the center side in the width direction of the doorway 51 crosses the first door stop member 69. This straight line is shown by a two-dot chain line in Figure 9(b).

[0119] In the closed state and the communicating state, the first doorstop member 69 does not protrude further in the depth direction of the doorway 51 than the doorstop surface 64b of the first door 57.

[0120] As described above, the first doorstop member 69 and the second doorstop member 70 are switchable between a closed state and a communicating state.

[0121] In the elevator doorstop device of the second embodiment, the first door 57 moves in the width direction of the entrance 51 to open the entrance 51 at an open position away from the doorstop frame 61 that forms one side of the entrance 51 in the width direction, and closes the entrance 51 at a closed position approaching the doorstop frame 61, and the doorstop surface 64b of the first door 57 and the doorstop surface 61d of the doorstop frame 61 face each other in the width direction of the entrance 51. and a second door stop member 70 attached to the door stop surface 61d of the door stop frame 61, the first door stop member 69 having a first tip surface 69a facing the door stop surface 61db of the door stop frame 61 and a first side end surface 69b facing one direction in the depth direction of the doorway 51, the second door stop member 70 having a second tip surface 70a facing the door stop surface 64b of the first door 57 and a second side end surface 70b facing the other direction in the depth direction of the doorway 51, When the first door 57 is in the closed position, a first gap 73 is formed between the first tip surface 69a and the door stop surface 61d of the door stop frame 61, and a second gap 74 is formed between the second tip surface 70a and the door stop surface 64b of the first door 57. In addition, the first side end surface 69b and the second side end surface 70b face each other in the depth direction of the doorway 51, and the second door stop member 70 is provided so as to be movable in the depth direction of the doorway 51. Therefore, when the first door 57 is in the closed position, the first door stop member 69 and the second door stop member 70 The respective states of the gaps 73 and 74 can be switched between a closed state and a communicating state. In the closed state, the first side end face 69b and the second side end face 70b come together, so that the first gap 73 and the second gap 74 are not connected between the first side end face 69b and the second side end face 70b. In the communicating state, a third gap 75 is formed between the first side end face 69b and the second side end face 70b, so that the first gap 73, the second gap 74, and the third gap 75 are connected to each other.

[0122] As a result, by placing the first doorstop member 69 and the second doorstop member 70 in a closed state, when the first door 57 is in the closed position, noise is prevented from being transmitted from the inside of the entrance / exit 51 to the outside of the entrance / exit 51 through the gap between the first doorstop member 69 and the second doorstop member 70, and by placing the first doorstop member 69 and the second doorstop member 70 in a communicating state, when the first door 57 is in the closed position, the air inside the entrance / exit 51 and the air outside the entrance / exit 51 can be ventilated through the gap between the first doorstop member 69 and the second doorstop member 70.

[0123] Furthermore, the first door stop member 69 and the second door stop member 70 can be switched between the closed state and the communicating state without changing the position of the first door 57 in the width direction of the doorway 1 when in the closed position.

[0124] In the elevator doorstop device of embodiment 2, the thickness of the first doorstop member 69 in the depth direction of the entrance / exit 51 is thinner than the thickness of the doorstop surface 64b of the first door 57 in the depth direction of the entrance / exit 51, and in the closed state and the connected state, the first doorstop member 69 does not protrude in either direction in the depth direction of the entrance / exit 51 beyond the doorstop surface 64b of the first door 57.

[0125] This allows the first doorstop member 69 to be installed without affecting the installation position of equipment attached to the first door 57. For example, if a safety device that detects the presence of a user between the first door 57 and the doorstop frame 61 is installed further outward in the depth direction of the doorway 51 than the doorstop surface 64b of the first door 57, the first doorstop member 69 can be installed without affecting the installation position of the safety device. This safety device is, for example, a safety tissue, which is a mechanical sensor, or a multi-beam door sensor, which is a photoelectric door sensor.

[0126] In the elevator doorstop device of embodiment 2, the doorstop frame 61 has a doorstop surface 61c, which extends from the doorstop surface 61d of the doorstop frame 61 toward the center in the width direction of the entrance / exit 51 and faces the first doorstop member 69 in the depth direction of the entrance / exit 51 when the first door 57 is in the closed position, and in the connected state, a straight line passing through the end of the doorstop surface 61d of the doorstop frame 61 opposite the doorstop surface 61c in the depth direction of the entrance / exit 51 and the end of the doorstop surface 61c of the doorstop frame 61 toward the center in the width direction of the entrance / exit 51 crosses the first doorstop member 69.

[0127] As a result, in the connected state, the rod-shaped body cannot penetrate the first gap 73, the second gap 74, and the third gap 75, and does not protrude from the space inside the entrance / exit 51 to the space outside the entrance / exit 51, thereby preventing damage to equipment installed in the space of the elevator hoistway.

[0128] In addition, in the communication state, noise transmitted from the inside of the entrance / exit 51 to the outside of the entrance / exit 51 through the first gap 73, the second gap 74, and the third gap 75 can be reduced.

[0129] In addition, in the connected state, light can be prevented from shining directly from the inside of the entrance / exit 51 to the outside of the entrance / exit 51 through the first gap 73, the second gap 74 and the third gap 75.

[0130] In addition, the elevator door stop device in the second embodiment is provided with at least one of a first restricting member and a second restricting member, similar to the elevator door stop device in the modified example of the first embodiment, and the first restricting member is attached to the door stop frame 61 or the first door stop member 69, and is located between the door stop surface 61d of the door stop frame 61 and the door stop surface 64b of the first door 57 in the width direction of the entrance / exit 51, and in the communicating state, the first restricting member is located between the door stop surface 61d of the door stop frame 61 and the first tip surface 19a The second restricting member is attached to the first door 57 or the second doorstop member 70 and is located between the doorstop surface 64b of the first door 57 and the doorstop surface 61d of the doorstop frame 61 in the width direction of the doorway 51, and in the communicating state, the second restricting member may be located between the doorstop surface 64b of the first door 57 and the second tip surface 70a in the width direction of the doorway 51 and be sandwiched between the doorstop surface 64b of the first door 57 and the second tip surface 70a.

[0131] This restricts the first door 57 from moving in a direction closer to the door stop frame 61 than the closed position, so that the first gap 73 and the second gap 74 can be reliably opened in the communicating state.

[0132] In the elevator doorstop device in embodiment 2, at least one of the first doorstop member 69 and the second doorstop member 70 is provided so as to be movable in the depth direction of the doorway 51, so that the first doorstop member 69 and the second doorstop member 70 can switch their states between a blocked state and a communicating state when the first door 57 is in the closed position. When the first doorstop member 69 is provided so as to be movable in the depth direction of the doorway 51, the round hole 64f is made an elongated hole, and the elongated hole is oriented longitudinally in the depth direction of the doorway 51.

[0133] In the elevator doorstop device in the second embodiment, the first doorstop member 69 and the second doorstop member 70 may be inverted with respect to a plane perpendicular to the depth direction of the doorway 51.

[0134] In the elevator doorstop device of embodiment 2, the entrance / exit 51 is not limited to a two-door single-swing entrance / exit that is opened and closed by a first door 57 and a second door 58, but may be any single-swing entrance / exit that is opened and closed by one or more doors. [Explanation of symbols]

[0135] 1 entrance, 2 wall, 3 space, 4 space, 5 entrance frame, 6 threshold, 6a groove, 7 first door, 8 second door, 9 door opening / closing device, 10 door stop device, 11 vertical frame, 12 vertical frame, 13 upper frame, 14 door body, 14a front, 14b door stop surface, 14c door pocket surface, 14d folded surface, 14e folded surface, 14f oblong hole, 14g round hole, 15 door shoe, 16 door opening / closing device frame, 17 door rail, 18 door hanger, 18a hanger plate, 18b hanger roller, 19 first door stop member, 19a first tip surface, 19b first side end surface, 19c first hole, 20 second door stop member, 20a second tip surface, 20b second side end surface, 20c second hole, 21 First screw member, 21a first male screw member, 21b first female screw member, 22 second screw member, 22a second male screw member, 22b second female screw member, 23 first gap, 24 second gap, 25 third gap, 26 first limiting member, 51 entrance / exit, 52 wall, 53 space, 54 space, 55 entrance / exit frame, 56 threshold, 56a groove, 57 first door, 58 second door, 59 door opening / closing device, 60 door stop device, 61 door stop frame, 61a facing surface, 61b facing surface, 61c door indentation surface, 61d door stop surface, 61e facing surface, 61f scattering surface, 61g scattering surface, 61h oblong hole, 62 door pocket frame, 63 upper frame, 64 door main body, 64a front surface, 64b Door stop surface, 64c door pocket surface, 64d folded surface, 64e folded surface, 64f round hole, 65 door shell, 66 door opening / closing device frame, 67 door rail, 68 door hanger, 68a hanger plate, 68b hanger roller, 69 first door stop member, 69a first tip surface, 69b first side end surface, 69c first hole, 70 second door stop member, 70a second tip surface, 70b second side end surface, 70c second hole, 71 first screw member, 71a first male screw member, 71b first female screw member, 72 second screw member, 72a second male screw member, 72b second female screw member, 73 first gap, 74 second gap, 75 third gap.

Claims

1. an elevator apparatus in which a first door and a second door move in opposite directions to each other in a width direction of a doorway to open the doorway at an open position where they are far from a center of the doorway and close the doorway at a closed position where they are close to the center of the doorway, and in which a door abutment surface of the first door and a door abutment surface of the second door face each other in the width direction of the doorway, a first door stop member attached to the door stop surface of the first door, and a second door stop member attached to the door stop surface of the second door; The first doorstop member has a first tip surface facing the doorstop surface of the second door and a first side end surface facing one direction in the depth direction of the doorway, The second doorstop member has a second tip surface facing the doorstop surface on the first door side and a second side end surface facing the other direction in the depth direction of the doorway, When the first door and the second door are in the closed position, a first gap is formed between the first tip surface and the door abutment surface of the second door, a second gap is formed between the second tip surface and the door abutment surface of the first door, and the first side end surface and the second side end surface face each other in a depth direction of the entranceway, The first doorstop member or the second doorstop member is provided so as to be movable in the depth direction of the entrance, and the first doorstop member and the second doorstop member can switch their mutual states between a closed state and a communicating state when the first door and the second door are in the closed position, the closed state is a state in which the first side end surface and the second side end surface are brought into contact with each other, and therefore the first gap and the second gap are not in communication with each other through the gap between the first side end surface and the second side end surface, The communicating state is a state in which the first gap, the second gap, and the third gap are communicated with each other by forming a third gap between the first side end surface and the second side end surface. Elevator door stop device.

2. a thickness of the first doorstop member in a depth direction of the entranceway is thinner than a thickness of the doorstop surface of the first door in a depth direction of the entranceway; The thickness of the second doorstop member in the depth direction of the entrance is thinner than the thickness of the doorstop surface of the second door in the depth direction of the entrance, In the closed state and the communicating state, the first doorstop member does not protrude beyond the doorstop surface of the first door in both directions in the depth direction of the entrance, and the second doorstop member does not protrude beyond the doorstop surface of the second door in both directions in the depth direction of the entrance.

2. The elevator door stop device according to claim 1.

3. The first side end surface and the second side end surface are each curved in a direction perpendicular to the height direction of the entrance, In the communicating state, a straight line passing through an end of the doorstop surface of the first door toward which the first side end face in the depth direction of the entrance 1 faces and an end of the doorstop surface of the second door toward which the second side end face in the depth direction of the entrance 1 faces crosses at least one of the first doorstop member and the second doorstop member.

3. The elevator door stop device according to claim 1 or 2.

4. At least one of a first limiting member and a second limiting member is provided, The first restricting member is attached to the second door or the first doorstop member, and is located between the doorstop surface of the first door and the doorstop surface of the second door in the width direction of the entrance, In the communicating state, the first restricting member is located between the door abutment surface and the first tip surface of the second door in the width direction of the entrance and is sandwiched between the door abutment surface and the first tip surface of the second door, The second restricting member is attached to the first door or the second doorstop member and is located between the doorstop surface of the first door and the doorstop surface of the second door in the width direction of the entrance, In the communicating state, the second restricting member is located between the door abutment surface and the second tip surface of the first door in the width direction of the entrance, and is sandwiched between the door abutment surface and the second tip surface of the first door. The elevator door stop device according to any one of claims 1 to 3.

5. The first restricting member is attached to the second door, In the closed state, the first restricting member is not positioned between the door abutment surface and the first tip surface of the second door in the width direction of the entrance.

5. The elevator door stop device according to claim 4.

6. an elevator apparatus in which a first door moves in a width direction of a doorway to open the doorway at an open position away from a doorstop frame that forms one side of the doorway in the width direction, and closes the doorway at a closed position close to the doorstop frame, and a doorstop surface of the first door and a doorstop surface of the doorstop frame face each other in the width direction of the doorway; a first door stop member attached to the door stop surface of the first door, and a second door stop member attached to the door stop surface of the door stop frame; The first doorstop member has a first tip surface facing the doorstop surface of the doorstop frame and a first side end surface facing one direction in the depth direction of the entrance, The second doorstop member has a second tip surface facing the doorstop surface of the first door and a second side end surface facing the other direction in the depth direction of the doorway, When the first door is in the closed position, a first gap is formed between the first tip surface and the door stop surface of the door stop frame, a second gap is formed between the second tip surface and the door stop surface of the first door, and the first side end surface and the second side end surface face each other in the depth direction of the entranceway, The first doorstop member or the second doorstop member is provided so as to be movable in the depth direction of the entrance, and the first doorstop member and the second doorstop member can switch their mutual states between a closed state and a communicating state when the first door is in the closed position, the closed state is a state in which the first side end surface and the second side end surface are brought into contact with each other, and therefore the first gap and the second gap are not in communication with each other through the gap between the first side end surface and the second side end surface, The communicating state is a state in which the first gap, the second gap, and the third gap are communicated with each other by forming a third gap between the first side end surface and the second side end surface. Elevator door stop device.

7. a thickness of the first doorstop member in a depth direction of the entranceway is thinner than a thickness of the doorstop surface of the first door in a depth direction of the entranceway; In the closed state and the communicating state, the first doorstop member does not protrude beyond the doorstop surface of the first door in both directions in the depth direction of the doorway.

7. The elevator door stop device according to claim 6.

8. The door stop frame has a door stop surface, The door stop surface extends from the door stop surface of the door stop frame toward the center in the width direction of the doorway, and faces the first door stop member in the depth direction of the doorway when the first door is in the closed position, In the communicating state, a straight line passing through an end of the door stop surface of the door stop frame opposite to the door stop surface in the depth direction of the entrance and an end of the door stop surface of the door stop frame on the center side in the width direction of the entrance crosses the first door stop member. The elevator door stop device according to claim 6 or 7.

9. At least one of a first limiting member and a second limiting member is provided, The first restricting member is attached to the door stop frame or the first door stop member, and is located between the door stop surface of the door stop frame and the door stop surface of the first door in the width direction of the entrance, In the communicating state, the first restricting member is located between the door stop surface and the first tip surface of the door stop frame in the width direction of the entrance, and is sandwiched between the door stop surface and the first tip surface of the door stop frame, The second restricting member is attached to the first door or the second doorstop member, and is located between the doorstop surface of the first door and the doorstop surface of the doorstop frame in the width direction of the entrance, In the communicating state, the second restricting member is located between the door abutment surface and the second tip surface of the first door in the width direction of the entrance, and is sandwiched between the door abutment surface and the second tip surface of the first door. The elevator door stop device according to any one of claims 6 to 8.

10. The first restricting member is attached to the door stop frame, In the closed state, the first restricting member is not positioned between the door stop surface and the first tip surface of the door stop frame in the width direction of the entrance. The elevator door stop device according to claim 9.

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