JP6889868B2 - Elevator door device - Google Patents

Description

The present invention relates to a door and an elevator door device including a door hanger that suspends the door.

Conventionally, an elevator door device equipped with a door that opens and closes the doorway of a car or a landing, and a door hanger that reciprocates on a rail extending in the width direction of the doorway with the door suspended above the doorway has been known. (See Patent Document 1).

In such an elevator door device, depending on the configuration of the connection portion between the door and the door hanger, there is a concern that the position of the door with respect to the door hanger may shift when an impact is applied to the lower part of the door, for example.

Japanese Unexamined Patent Publication No. 2015-124072

Therefore, an object of the present invention is to provide an elevator door device in which the door does not easily shift with respect to the door hanger.

The elevator door device of the present invention
Doors that open and close the entrance and exit of the car or landing,
A door hanger that can reciprocate in the width direction of the doorway while the door is suspended above the doorway.
A first fixing member including a first bolt and a first nut screwed into the first bolt and connecting the door and the door hanger at a connection portion between the door and the door hanger.
A misalignment prevention member that suppresses the misalignment of the door with respect to the door hanger,
A second fixing member including a second bolt and a second nut screwed into the second bolt and fixing the slip prevention member.
The door and the door hanger each have an abutting surface formed at a position where the through holes through which the first bolt is inserted are in contact with each other in a state of facing each other at the connecting portion.
One member of the door and the door hanger extends linearly to form an edge of the contact surface and has an end to which the slip prevention member abuts.
The other member of the door and the door hanger extends in an inclined direction with respect to the extending direction of the end portion and is displaced from the adjacent surface adjacent to the contact surface and extending flush with the contact surface. It has an elongated hole through which the second bolt penetrates the preventive member.

According to such a configuration, the slip prevention member is fixed to the other member in a state of being sufficiently brought close to the end of the elongated hole, so that the contact surface between the door and the door hanger penetrates. Since the peripheral edge of the hole is in contact with the first bolt inserted through the through hole, the door is unlikely to shift with respect to the door hanger even if a force in the direction along the contact surface is applied to the door ( Relative movement is difficult). The details are as follows.

The through holes on the contact surfaces of the door and the door hanger are larger than the diameter of the first bolt so that the first bolt can be easily inserted during assembly or the like. That is, a slight gap is formed between the first bolt and the peripheral edge of the through hole of each contact surface through which the first bolt is inserted (see, for example, reference numeral β in FIG. 5). Therefore, when a force in the direction along the contact surface is applied to the door, the door and the door hanger are likely to be displaced by the amount of the gap (the relative movement is likely to occur in the direction along the contact surface).

However, according to the above configuration, since the second bolt penetrating the slip prevention member is inserted into the elongated hole extending in the inclined direction with respect to the extension direction of the end portion of the one member, the slip prevention member is long. By sufficiently approaching the end of the hole toward the end, the end of the one member is pushed by the slip prevention member and the door and the door hanger move relative to each other, thereby causing the contact surface of each of the holes. The peripheral edge of the through hole is in contact with the first bolt (specifically, each position on the opposite side in the radial direction of the first bolt) (see, for example, FIG. 6). Therefore, even if a force in the direction along the contact surface is applied to the door, the door does not easily shift with respect to the door hanger (it is difficult to move relative to the door).

Further, in the elevator door device,
The angle of the elongated hole with respect to the extending direction of the end portion is preferably less than 45 °.

According to such a configuration, when the displacement prevention member is pushed against the end portion of the one member, the force (force component) in the extending direction of the elongated hole applied to the displacement prevention member is suppressed, so that the displacement prevention member Is not easily displaced away from the end of the slot even when pushed by the end of the one member, so that even if a force in the direction along the abutment surface is applied to the door, the abutment surface of each abutment surface. The peripheral edge of the through hole is maintained in contact with the first bolt, and as a result, the door is not easily displaced with respect to the door hanger.

In the elevator door device,
The second fixing member may have a rubber tubular member that is inserted into the elongated hole with the second bolt inserted.

According to such a configuration, when the displacement prevention member (second bolt) tries to shift with respect to the elongated hole in the extending direction of the elongated hole, the tubular member is made of rubber, so that the tubular member and the length are longer. Since the friction between the hole peripheral portion is large or the tubular member is bitten between the second bolt and the elongated hole peripheral portion, the displacement prevention member is pushed by the end portion of the one member. It is hard to slip, which keeps the perimeter of the through hole on each contact surface in contact with the first bolt even when a force in the direction along the contact surface is applied to the door, resulting in the door Hard to slip against the door hanger.

Further, the elevator door device of the present invention is
Doors that open and close the entrance and exit of the car or landing,
A door hanger that can reciprocate in the width direction of the doorway while the door is suspended above the doorway.
A connecting member arranged between the door and the door hanger and connecting the door and the door hanger,
A third fixing member including a third bolt and a third nut screwed into the third bolt and connecting the connecting member and the door hanger at a connection portion between the connecting member and the door hanger.
A misalignment prevention member that suppresses misalignment of the connection member with respect to the door hanger,
A fourth fixing member including a fourth bolt and a fourth nut screwed into the fourth bolt and fixing the slip prevention member.
The connecting member and the door hanger each have an abutting surface formed at a position where the through holes through which the third bolt is inserted are in contact with each other in a state of facing each other at the connecting portion.
One of the connecting member and the door hanger extends linearly to form an edge of the contact surface and has an end to which the slip prevention member abuts.
The other member of the connecting member and the door hanger extends in an inclined direction with respect to the extending direction of the end portion on an adjacent surface adjacent to the contact surface and extending flush with the contact surface. It has an elongated hole through which the fourth bolt in a state of penetrating the slip prevention member is inserted.

According to such a configuration, the slip prevention member is fixed to the other member in a state of being sufficiently brought close to the end of the elongated hole, so that the contact surface between the connecting member and the door hanger Since the peripheral edge of the through hole is in contact with the third bolt inserted through the through hole, the connection portion is displaced with respect to the door hanger even if a force in the direction along the contact surface is applied to the door. hard. This makes it difficult for the door to shift with respect to the door hanger.

From the above, according to the present invention, it is possible to provide an elevator door device in which the door does not easily shift with respect to the door hanger.

FIG. 1 is a diagram for explaining a configuration of an elevator according to the present embodiment. FIG. 2 is a front view of the elevator car. FIG. 3 is an exploded perspective view of the door, the connecting member, and the vicinity of the door hanger in the elevator door device provided in the car. FIG. 4 is a front view of the connecting member. FIG. 5 is an enlarged view of a connection portion between the door hanger and the connecting member, and is an enlarged view of a state in which the displacement preventing member is not sufficiently displaced. FIG. 6 is an enlarged view of a connection portion between the door hanger and the connecting member, and is an enlarged view of a state in which the displacement preventing member is sufficiently displaced. FIG. 7 is a schematic view showing the arrangement of elongated holes according to another embodiment. FIG. 8 is a schematic view showing the arrangement of elongated holes according to another embodiment. FIG. 9 is a schematic view showing a connecting member according to another embodiment. FIG. 10 is a schematic view showing the shape of an elongated hole according to another embodiment.

Hereinafter, an embodiment of the present invention will be described with reference to FIGS. 1 to 6.

The elevator door device (hereinafter, also simply referred to as “door device”) according to the present embodiment includes a hoistway 11 extending in the vertical direction across a plurality of floors in the building and a hoistway as shown in FIG. In an elevator 10 including a car 12 that moves up and down in the car 11, the doorway 120 of the car 12 is opened and closed. The car 12 has a car main body 121 having an entrance / exit 120, and a door device 1 arranged in the car main body 121 to open / close the entrance / exit 120.

As shown in FIGS. 2 and 3, the door device 1 has a door 2 that opens and closes the doorway 120 of the car 12, and a width direction of the doorway 120 with the door 2 suspended above the doorway 120 (FIG. 2). The door hanger 5 that can reciprocate in the left-right direction (hereinafter, also referred to as “opening / closing direction”) and the connecting member 6 that is arranged between the door 2 and the door hanger 5 and connects the door 2 and the door hanger 5. A first fixing member (third fixing member) 7 that connects the door hanger 5 and the connecting member 6, a misalignment prevention member 8 that suppresses the misalignment of the connection member 6 with respect to the door hanger 5, and a misalignment prevention member 8. A second fixing member (fourth fixing member) 9 for fixing is provided. Further, the door device 1 includes a guide rail 3 for guiding the door hanger 5 and a drive device 4 for moving the door 2 in the opening / closing direction.

The door device 1 of the present embodiment is a so-called center-open type door device, and has a plurality of (two in the example of the present embodiment) doors 2 and a number corresponding to the number of doors 2 (example of the present embodiment). Then, it has two) door hangers 5. Further, in the door device 1 of the present embodiment, the first fixing member 7 is a first bolt (third bolt) 71 and a first nut (third nut) screwed with the first bolt 71. 72, and the second fixing member 9 includes a second bolt (fourth bolt) 91 and a second nut (fourth nut) 92 screwed with the second bolt 91. .. The first bolt 71 of the present embodiment is, for example, an M8 bolt (a bolt having a nominal diameter of 8 mm). The second bolt 91 is, for example, an M10 bolt (a bolt having a nominal diameter of 10 mm).

The guide rail 3 extends in the opening / closing direction above the entrance / exit 120 of the car body 121 to guide the door hanger 5. The guide rail 3 of the present embodiment guides each of the two door hangers 5.

The drive device 4 is arranged in the car body 121 and directly or indirectly drives the door hanger 5. The drive device 4 includes a pair of pulleys 41 arranged at positions above the guide rail 3 at intervals in the opening / closing direction, an endless annular belt body 42 bridged over the pair of pulleys 41, and a pair of pulleys 41. It has a motor 43 that rotationally drives one of the pulleys 41.

Each of the two door hangers 5 includes a main body 51, a guided portion 52 attached to the main body 51 and guided by the guide rail 3, and a connecting member 53 connecting the main body 51 and the belt body 42 of the drive device 4. Has.

The main body 51 has a hanger-side contact surface (contact surface) 510 with which the connection member 6 comes into contact at a connection position with the connection member 6. The lower end (end) 511a of the main body 51 extends linearly to form the lower end edge (end edge) 510a of the hanger-side contact surface 510. In the main body 51 of the present embodiment, the portion (lower end side portion) 511 including at least the lower end 511a is plate-shaped along the surface direction including the vertical direction and the opening / closing direction, and the lower end side portion 511 is on the surface of the hanger side. The contact surface 510 is included. The lower end 511a of the main body 51 extends in the opening / closing direction.

A through hole 512 through which the first bolt 71 is inserted is formed in the hanger-side contact surface 510. That is, the main body 51 has a through hole 512. The hanger-side contact surface 510 of the present embodiment has a plurality of (six in the example of the present embodiment) through holes 512 along the lower end 511a of the main body 51. Specifically, on the hanger-side contact surface 510 of the present embodiment, a set of three through holes 512 arranged at intervals in the opening / closing direction are formed on both sides in the opening / closing direction. The inner diameter of each of the plurality of through holes 512 is larger than the nominal diameter of the first bolt 71. That is, each through hole 512 is a so-called stupid hole with respect to the first bolt 71.

The guided portion 52 is a so-called rotating roller, and has a support shaft portion 521 extending from the main body 51 and a roller body 522 that can rotate around the support shaft portion 521 as a rotation center. The support shaft portion 521 is fixed to the main body 51 and extends in the entrance / exit direction of passengers at the entrance / exit 120. Further, the roller body 522 has a groove on the outer periphery, and the guide rail 3 is fitted into the groove. Further, the door hanger 5 also has a plurality of up thrust rollers on the opposite side of the guide rail 3 from the guided portion 52 so that the door 2 (door hanger 5) moves upward and does not fall off from the guide rail 3. (Not shown).

The lower end of the connecting member 53 is connected to the main body 51, and the upper end of the connecting member 53 is connected to the belt body 42 of the drive device 4. The connecting member 53 of the door hanger 5 of one of the two door hangers 5 (on the right side in FIG. 2) is connected to a portion located on the upper side of the endless annular belt body 42 spanning the pair of pulleys 41. .. Further, the connecting member 53 of the door hanger 5 on the other side (left side in FIG. 2) of the two door hangers 5 is located on the lower side of the endless annular belt body 42 bridged by the pair of pulleys 41. It is connected.

As shown in FIG. 4, the connecting member 6 has a fixing portion 61 fixed to the door 2 and an extending portion 62 extending upward from the fixing portion 61.

The fixing portion 61 is fixed to the upper end of the door 2 by a fastening member 63 such as a bolt (see FIG. 3). As a result, the connecting member 6 is fixed to the door 2, that is, the connecting member 6 and the door 2 are connected. The fixing portion 61 of the present embodiment is a plate-shaped portion extending along a horizontal plane at the lower end of the extending portion 62.

The extension portion 62 has a connecting member-side contact surface (contact surface) 620 that contacts the door hanger 5 (specifically, the main body 51) in a state of facing the hanger-side contact surface 510 at the connection portion. The extension portion 62 of the present embodiment is a rectangular plate-shaped portion along the surface direction including the vertical direction and the opening / closing direction. The extension portion 62 includes a connecting member side contact surface 620 on the surface of a portion (upper end side portion) 621 including the upper end 621a. Further, the extension portion 62 also includes an adjacent surface 622 that is adjacent to the contact surface 620 on the connecting member side and extends flush with the contact surface 620 on the connecting member side on the surface of the upper end side portion 621. The adjacent surface 622 of the present embodiment is adjacent to the connecting member side contact surface 620 on the lower side of the connecting member side contact surface (the surface overlapping the hanger side contact surface 510 in the main body 51 of the door hanger 5) 620.

A through hole 623 through which the first bolt 71 is inserted is formed in the contact surface 620 on the connecting member side. That is, the extension portion 62 has a through hole 623. The number of the connecting member-side contact surface 620 of the present embodiment corresponds to the number of through holes 512 of the hanger-side contact surface 510 along the upper end 621a of the extension portion 62 (six in the example of the present embodiment). Has a through hole 623. Each of these plurality of through holes 623 is arranged at a position on the connecting member side contact surface 620 so as to overlap with the corresponding through holes 512 of the hanger side contact surface 510. Specifically, on the connecting member-side contact surface 620 of the present embodiment, a set of three through holes 623 arranged at intervals in the opening / closing direction is formed on each of both sides in the opening / closing direction. The inner diameter of the plurality of through holes 623 is larger than the nominal diameter of the first bolt 71, similar to the inner diameter of the through holes 512 formed on the hanger-side contact surface 510. That is, each through hole 623 is a so-called stupid hole with respect to the first bolt 71.

An elongated hole 624 through which the second bolt 91 is inserted is formed at a position straddling the adjacent surface 622 or the adjacent surface 622 and the connecting member side contact surface 620. That is, the extension portion 62 has an elongated hole 624 through which the second bolt 91 is inserted at a position straddling the adjacent surface 622 or the adjacent surface 622 and the connecting member side contact surface 620. The extension portion 62 of the present embodiment has an elongated hole 624 in the adjacent surface 622.

The elongated holes 624 are arranged below the pair of through holes 623 that are arranged at intervals in the opening / closing direction. The elongated hole 624 is provided at a position where the upper end 8a of the slip prevention member 8 comes into contact with the lower end 511a of the door hanger 5 in a state where the second bolt 91 penetrating the slip prevention member 8 is inserted. Further, the elongated holes 624 are arranged below the pair of through holes 623 and at the center position of the pair of through holes 623 in the opening / closing direction. The minor diameter of the elongated hole 624 (inner diameter in the direction orthogonal to the extending direction) is larger than the nominal diameter of the second bolt 91. In the extension portion 62 of the present embodiment, since the pair of through holes 623 are arranged in two (two pairs), the extension portion 62 has two elongated holes 624.

Each of the two elongated holes 624 extends in an inclined direction with respect to the extending direction of the lower end 511a of the door hanger 5 (main body 51). Of the two elongated holes 624, the elongated hole 624 on the door opening side (right side in FIG. 3) extends in an inclined direction that decreases toward the door opening side. Further, of the two elongated holes 624, the elongated hole 624 on the door closing side (left side in FIG. 3) extends in an inclined direction that decreases toward the door closing side. That is, the two elongated holes 624 have a so-called "eight" shape in which the distance between the two elongated holes 624 becomes wider toward the bottom. When a force is applied to the lower end portion of the door 2, the relative displacement direction between the door hanger 5 and the connecting member 6 is considered to be mainly the rotation direction. If the two elongated holes 624 are arranged in an "eight" shape, the major axis direction of the elongated holes 624 and the direction of the force applied in the rotational direction are different. Therefore, for example, "reverse eight". The door hanger 5 and the connecting member 6 are relatively less likely to be displaced from each other as compared with the case where they are arranged in the shape of

The angle α of each elongated hole 624 in the extending direction with respect to the extending direction of the lower end 511a of the door hanger 5 (in the example of the present embodiment, the opening / closing direction) is less than 45 ° (see FIG. 4). The angle α of this embodiment is, for example, 15 °.

The connecting member 6 penetrates the through hole 623 of the connecting member 6 and the door hanger 5 corresponding to the through hole 623 in a state where the plurality of through holes 623 and the plurality of through holes 512 of the door hanger 5 are overlapped with each other. The first bolt 71 is inserted into each of the holes 512, and the first nut 72 is screwed into the first bolt 71 in the inserted state, so that the door hanger 5 is fixed to the door hanger 5. ..

The slip prevention member 8 is fixed to the connecting member 6 by the second fixing member 9 in a state of being in contact with the lower end 511a of the door hanger 5. In the displacement prevention member 8, the upper end 8a extends in the opening / closing direction. The displacement prevention member 8 of the present embodiment is a plate-shaped member, more specifically, a rectangular plate-shaped member. Further, the slip prevention member 8 has a through hole 81 through which the second bolt 91 is inserted.

In the slip prevention member 8, the second bolt 91 is inserted into the through hole 81 and the elongated hole 624 in a state where the through hole 81 and the elongated hole 624 of the connecting member 6 are overlapped with each other, and the inserted state is in this inserted state. The second nut 92 is screwed into the second bolt 91 and is fixed to the connecting member 6. At this time, the slip prevention member 8 is fixed at a position sufficiently close to the lower end 511a of the elongated hole 624 extending in the inclined direction with respect to the lower end 511a of the door hanger 5 (inside in the horizontal direction in FIG. 3). Has been done.

In the connecting member 6 of the present embodiment, the displacement preventing member 8 is fixed at a position corresponding to each of the two elongated holes 624. That is, in the door device 1 of the present embodiment, two slip prevention members 8 are fixed to one connecting member 6.

According to the door device 1 described above, the slip prevention member 8 is fixed to the connecting member 6 in a state of being sufficiently brought closer to the lower end 511a of the door hanger 5 in the elongated hole 624, whereby the door device 6 is fixed to the connecting member 6. The peripheral edges (through hole peripheral edges) 5120 and 6230 of the through holes 512 and 623 of the contact surfaces with the door hanger 5 (hanger side contact surface 510, connecting member side contact surface 620) are the through holes 512. They are in contact with the first bolt 71 inserted through the 623, respectively (see FIG. 6). Therefore, even if a force in the direction along the contact surfaces 510 and 620 is applied to the door 2, the connecting member 6 is unlikely to shift with respect to the door hanger 5. As a result, the door 2 is less likely to shift with respect to the door hanger 5. The details are as follows.

In the door device 1 of the present embodiment, the through holes 512 and 623 of the contact surfaces 510 and 620 of the door hanger 5 and the connecting member 6 have the first bolt 71 so as to be easily inserted during assembly or the like. It is larger than the diameter (nominal diameter) of one bolt 71. Therefore, the door hanger 5 and the connecting member 6 are arranged so that the through holes 512 and 623 overlap each other, and are simply connected by the first fixing member 7 (the first bolt 71 and the first nut 72). , A slight gap β is formed between the first bolt 71 and the peripheral portions 5120 and 6230 of the through holes of the contact surfaces 510 and 620, respectively (see, for example, reference numeral β in FIG. 5). In this state, when a force in the direction along the contact surfaces 510 and 620 is applied to the door 2, the door hanger 5 and the connecting member 6 are likely to be displaced by the amount of the gap β (the contact surfaces 510 and 620, respectively). It is easy to move relative to the direction along the line). In FIG. 5, the gap β is exaggerated.

However, according to the door device 1 of the present embodiment, the second bolt 91 penetrating the slip prevention member 8 is provided in the elongated hole 624 extending in the inclined direction with respect to the extending direction (opening / closing direction) of the lower end 511a of the door hanger 5. Since the door hanger 8 is inserted, the slip prevention member 8 is sufficiently brought closer to the side of the elongated hole 624 that approaches the lower end 511a (right side in FIG. 5: see arrow γ), so that the lower end 511a of the door hanger 5 is moved to the slip prevention member 8 The door hanger 5 and the connecting member 6 move relative to each other in the vertical direction by being pushed by the upper end 8a of the door hanger 5. Specifically, the connecting member 6 moves downward with respect to the lower end 511a of the door hanger 5. As a result, the peripheral portions 5120 and 6230 of the through holes of the contact surfaces 510 and 620 are in contact with the first bolt 71 (specifically, each position on the opposite side in the radial direction of the first bolt 71). (See Fig. 6). Therefore, even if a force in the direction along the contact surfaces 510 and 620 is applied to the door 2, the connecting member 6 is unlikely to shift with respect to the door hanger 5 (relative movement is difficult). That is, the gap β between the door hanger 5 and the connecting member 6 is unlikely to be displaced.

Further, in the door device 1 of the present embodiment, the angle of the elongated hole 624 with respect to the opening / closing direction (the extending direction of the lower end 511a of the door hanger 5) is less than 45 °. Therefore, when the slip prevention member 8 is pushed by the lower end 511a of the door hanger 5, the force (force component) in the extending direction of the elongated hole 624 applied to the slip prevention member 8 is suppressed, thereby suppressing the slip prevention member 8. Even if 8 is pushed by the lower end 511a of the door hanger 5, it is unlikely to shift to the side (left side in FIG. 6) of the elongated hole 624 away from the lower end 511a. As a result, even if a force in the direction along the contact surfaces 510 and 520 is applied to the door 2, the through-hole peripheral edges 5120 and 6230 of the contact surfaces 510 and 620 are in contact with the first bolt 71, respectively. (See FIG. 6) is maintained, and the door 2 is hard to shift with respect to the door hanger 5.

The elevator door device of the present invention is not limited to the above embodiment, and it goes without saying that various modifications can be made without departing from the gist of the present invention. For example, the configuration of one embodiment can be added to the configuration of another embodiment, and a part of the configuration of one embodiment can be replaced with the configuration of another embodiment. In addition, some of the configurations of certain embodiments can be deleted.

The door device 1 of the above embodiment is provided in the car 12, but is not limited to this configuration. The door device 1 may be provided at the landing of the elevator 10.

In the door device 1 of the above embodiment, the connecting member 6 (extended portion 62) has an elongated hole 624, and the displacement preventing member 8 is the connecting member 6 in a state where the upper end 8a is in contact with the lower end 511a of the door hanger 5. Although it is fixed by the second fixing member 9, the present invention is not limited to this configuration. For example, the door hanger 5 has an elongated hole 624, and the slip prevention member 8 is fixed to the door hanger 5 by the second fixing member 9 in a state where the lower end is in contact with the upper end of the connecting member 6 (extended portion 62). It may be configured to be. That is, each configuration at the connection portion between the door hanger 5 and the connecting member 6 may be provided on the mating member.

In the door device 1 of the above embodiment, the door 2 and the door hanger 5 are connected via the connecting member 6, but the configuration is not limited to this. The door 2 and the door hanger 5 may be connected. In this case, for example, a portion corresponding to the extending portion 62 of the connecting member 6 is provided on the door 2, the door 2 is provided with a contact surface 620, a through hole 623, and an elongated hole 624, and the upper end 8a is provided on the door hanger 5. The displacement prevention member 8 may be fixed to the door 2 (a portion corresponding to the extension portion 62) by the second fixing member 9 in a state of being in contact with the lower end 511a of the door. Further, the door hanger 5 may be provided with an elongated hole 624, and the slip prevention member 8 may be fixed to the door hanger 5 by the second fixing member 9 in a state where the lower end is in contact with the upper end of the door 2.

In the door device 1 of the above embodiment, two elongated holes are arranged in a "eight" shape in the connecting member, but the present invention is not limited to this configuration. For example, two slotted holes 624 may be arranged so that the extending directions of the slotted holes 624 are the same (parallel) as shown in FIG. 7, and as shown in FIG. They may be arranged in a character shape (that is, so that the distance between them increases toward the upper side).

Further, in the door device 1 of the above embodiment, the number of elongated holes 624 provided in one member (the connecting member 6 in the example of the above embodiment, but the door hanger 5 or the door 2 may be used) is two. However, it is not limited to this configuration. The number of elongated holes 624 provided in one member may be one or three or more.

Further, in the door device 1 of the above embodiment, one connecting member 6 is arranged between the door 2 and the door hanger 5, but the present invention is not limited to this configuration. As shown in FIG. 9, a plurality of (two in the example shown in FIG. 9) connecting members 6A may be arranged between the door 2 and the door hanger 5. In this case, in each connecting member 6A, the configuration of the connecting portion of the above embodiment (configuration of the connecting portion between the door hanger 5 and the connecting member 6: for example, the second bolt 91 in a state of penetrating the slip prevention member 8 is a long hole. The configuration of the connection portion of the above embodiment may be adopted for some of the connection members 6A among the plurality of connection members 6A. That is, it suffices that at least one of the plurality of connecting members 6A adopts the configuration of the connecting portion of the above embodiment.

Further, in the door device 1 of the above embodiment, the elongated hole 624 extends straight in a direction inclined with respect to the extending direction of the lower end 511a of the door hanger 5, but is not limited to this configuration. For example, the elongated hole 624 may be bent or curved (see FIG. 10). In this case, in the elongated hole 624, the angle of the end (right side in FIG. 10) close to the end (in the example of the above embodiment, the lower end 511a of the door hanger 5) with which the displacement prevention member 8 abuts, with respect to the extending direction. Is smaller, because the displacement prevention member 8 is less likely to shift when a force is applied to the door 2 in the directions along the contact surfaces 510 and 620, which is preferable.

1 ... Elevator door device, 2 ... Door, 3 ... Guide rail, 4 ... Drive device, 41 ... Pulley, 42 ... Belt body, 43 ... Motor, 5 ... Door hanger, 51 ... Main body, 510 ... Hanger side contact surface (Abutment surface) 511 ... Lower end side part 511a ... Lower end 512 ... Through hole, 5120 ... Through hole peripheral part, 52 ... Guided part 521 ... Support shaft part 522 ... Roller body, 53 ... Connecting member, 6, 6A ... Connecting member, 61 ... Fixed part, 62 ... Extension part, 620 ... Connecting member side contact surface (contact surface), 621 ... Upper end side part, 621a ... Upper end, 622 ... Adjacent surface, 623 ... Penetration Hole, 624 ... long hole, 63 ... fastening member, 7 ... first fixing member (third fixing member), 71 ... first bolt (third bolt), 72 ... first nut (third nut), 8 ... Displacement prevention member, 8a ... Upper end, 81 ... Through hole, 9 ... Second fixing member (fourth fixing member), 91 ... Second bolt (fourth bolt), 92 ... Second nut (fourth) Nut), 10 ... Elevator, 11 ... Hoistway, 12 ... Basket, 120 ... Doorway, 121 ... Car body, α ... Angle, β ... Gap

Claims (4)

Doors that open and close the entrance and exit of the car or landing,
A door hanger that can reciprocate in the width direction of the doorway while the door is suspended above the doorway.
A first fixing member including a first bolt and a first nut screwed into the first bolt and connecting the door and the door hanger at a connection portion between the door and the door hanger.
A misalignment prevention member that suppresses the misalignment of the door with respect to the door hanger,
A second fixing member including a second bolt and a second nut screwed into the second bolt and fixing the slip prevention member.
The door and the door hanger each have an abutting surface formed at a position where the through holes through which the first bolt is inserted are in contact with each other in a state of facing each other at the connecting portion.
One member of the door and the door hanger extends linearly to form an edge of the contact surface and has an end to which the slip prevention member abuts.
The other member of said door and said door hanger, said contact surface and the adjacent surface adjacent to and extending abutting surface flush with, extended building slot in the inclined direction with respect to the direction of extension of said end portion have a,
In the contact direction between the door and the door hanger, the second bolt is inserted into the elongated hole and penetrates the slip prevention member in a state where the adjacent surface and the slip prevention member face each other . Elevator door device. The elevator door device according to claim 1, wherein the angle of the elongated hole with respect to the extending direction of the end is less than 45 °. The elevator door device according to claim 1 or 2, wherein the second fixing member has a rubber tubular member inserted into the elongated hole with the second bolt inserted. Doors that open and close the entrance and exit of the car or landing,
A door hanger that can reciprocate in the width direction of the doorway while the door is suspended above the doorway.
A connecting member arranged between the door and the door hanger and connecting the door and the door hanger,
A third fixing member including a third bolt and a third nut screwed into the third bolt and connecting the connecting member and the door hanger at a connection portion between the connecting member and the door hanger.
A misalignment prevention member that suppresses misalignment of the connection member with respect to the door hanger,
A fourth fixing member including a fourth bolt and a fourth nut screwed into the fourth bolt and fixing the slip prevention member.
The connecting member and the door hanger each have an abutting surface formed at a position where the through holes through which the third bolt is inserted are in contact with each other in a state of facing each other at the connecting portion.
One of the connecting member and the door hanger extends linearly to form an edge of the contact surface and has an end to which the slip prevention member abuts.
The connecting member and the other member of said door hanger, said contact surface and the adjacent surface adjacent to and extending abutting surface flush with, extended building length inclined to the direction of extension of said end portion It has a hole,
In the contact direction between the connecting member and the door hanger, the fourth bolt is inserted into the elongated hole and penetrates the slip prevention member in a state where the adjacent surface and the slip prevention member face each other. , Elevator door device.

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