CN113998570B - Elevator device - Google Patents

Abstract

The invention aims to make a door lock device of an elevator device compact. A door lock device (100) of an elevator device is provided with a first door lock device (110) and a second door lock device (120). The first door lock device (110) is provided with: a first hook (111) having a first concave-shaped portion (111 a); and a first hook receiving part (118) engaged with the first concave part (111 a). The second door lock device (120) is provided with: a second hook (121) having a second concave-shaped portion (121 a); and a second hook receiving part (128) engaged with the second concave part (121 a). The first concave part (111 a) of the first hook (111) has an engagement length (L1) which maintains the state that the waiting room side door (10) is closed and is engaged with the first hook receiving part (118), and the second concave part (121 a) of the second hook (121) has an engagement length (L2) which limits the door opening width of the waiting room side door (10) and is engaged with the second hook receiving part (128).

Description

Elevator device

technical field

The invention relates to an elevator device, in particular to a door lock device of the elevator device.

Background technique

The unlocking device of the elevator hall door described in Unexamined-Japanese-Patent No. 2010-269895 (patent document 1) is known as background art of this invention.

The unlocking device of Patent Document 1, as described in paragraph 0025 and FIG. 1 , locks the door by inserting a key into the key guide hole of the elevator hall door in a state where the hall door is not disposed opposite to the elevator car. The hook rotates to release the engagement between the concave portion of the door lock hook and the engaging portion of the locking device, thereby opening the hall door. In this case, since no rotational force is applied to the door-opening width limiting hook, it abuts against the side portion of the stopper during the opening operation of the elevator hall door. Therefore, the opening operation of the hall door is limited to the door opening width corresponding to the distance until the end portion of the door opening width limiting hook abuts against the side portion of the stopper. That is, the unlocking device of Patent Document 1 restricts the opening operation of the hall door so that the hall door does not open more than a predetermined door opening width corresponding to the distance.

prior art literature

patent documents

Patent Document 1: Japanese Patent Laid-Open No. 2010-269895

In the unlocking device of Patent Document 1, as described in FIG. 1 , the door lock hook and the door-opening width limiting hook are aligned in the vertical direction, and the locking device that engages with the concave portion of the door lock hook is positioned relative to the door lock. The hook is arranged on the left side, and the stopper abutting against the end of the door opening width limiting hook is arranged on the right side with respect to the door opening width limiting hook. Therefore, in the unlocking device of Patent Document 1, it is difficult to arrange the arrangement space in a wide range and in a small space. This is because in a newly installed elevator apparatus, the degree of freedom in design is limited, and in an existing elevator apparatus, an arrangement space cannot be ensured, and this unlocking device may not be applicable.

Contents of the invention

The problem to be solved by the invention

Hereinafter, in this specification, a device corresponding to the unlocking device of Patent Document 1 will be referred to as a door lock device and described.

An object of the present invention is to make a door lock device included in an elevator apparatus compact.

Solution to the problem

In order to achieve the above object, the elevator apparatus of the present invention includes an elevator car that moves up and down in the hoistway, an elevator hall side door that is arranged on the elevator hall side, and a door lock device that locks the elevator hall side door. In this elevator installation,

The door lock device includes: a first door lock device that locks the elevator hall side door in a closed state; and a second door lock device that locks the elevator hall side door when opening the door. The width is limited to a second door opening width smaller than the first door opening width in the fully opened state,

The first door lock device includes: a first hook having a first concave portion at one end and being configured to be rotatable around the first hook shaft; and a first hook receiving portion that is compatible with the first hook the first concave portion of the first hook engages,

The second door lock device includes: a second hook having a second concave portion at one end and being configured to be rotatable around the second hook axis; and a second hook receiving portion that is compatible with the second hook the second concave part of the second hook is engaged,

The first concave portion of the first hook has an engaging length for engaging with the first hook receiving portion while maintaining the closed state of the elevator hall side door,

The second concave portion of the second hook has an engaging length for engaging with a second hook receiving portion that limits the opening width of the elevator hall side door to a second opening width.

Invention effect

According to the present invention, by setting the engagement length of the first concave portion of the first hook with the first hook receiving portion to an engagement length for maintaining the closed state of the elevator hall side door, the second The engagement length of the second concave shape portion of the hook and the second hook receiving portion is set to an engagement length that limits the door opening width of the elevator hall side door to the second door opening width, thereby reducing the arrangement space of the components. Therefore, it is possible to make the door lock device provided in the elevator device a compact structure.

In addition, the subject, structure, and effect other than the above are clarified by description of the following embodiment.

Description of drawings

Fig. 1 is a side view (vertical sectional view) showing an outline of an elevator apparatus 1 according to an embodiment of the present invention.

Fig. 2 is a plan view schematically showing the arrangement of the door lock device 100 with respect to the doors 10 and 41 of the elevator apparatus 1 according to the embodiment of the present invention.

FIG. 3 is a front view showing an outline of the configuration of the door lock device 100 .

FIG. 4 is a front view showing the locked state of the door lock device 100 during automatic opening and closing.

FIG. 5 is a front view showing the unlocked state of the door lock device 100 during automatic opening and closing.

FIG. 6 is a front view showing the state of the door lock device 100 in the door-open state at the time of automatic opening and closing.

FIG. 7 is a front view showing the locked state of the door lock device 100 during manual opening and closing.

FIG. 8 is a front view showing the first unlocked state of the door lock device 100 during manual opening and closing.

FIG. 9 is a front view showing a state in which the door lock device 100 transitions from the first unlocked state to the second unlocked state during manual opening and closing.

Explanation of reference signs:

1...elevator device, 1A...elevator passage, 4...elevator car, 10...waiting hall side door, 41...car side door, 100...door lock device, 102...engaging device, 110...first door lock device, 111 ...the first hook, 111a...the concave portion of the first hook 111 (the first concave portion), 111b...the claw portion of the first hook 111, 111c...the first hook shaft, 113...the first movable Roller, 114...the first fixed roller, 118...the first hook receiving part (first locking part), 118a...the protrusion of the first hook receiving part 118, 120...the second door lock device, 121...the second Hook, 121a...Second recessed part of the second hook 121, 121b...Second hook, 121...Claw portion, 121c...Second hook shaft, 123...Second movable roller, 124...Second fixed Roller, 128... second hook receiving part (second locking part), 128a... protrusion of second hook receiving part 128, H... hall, La... second door opening width, L1... first concave shape The engagement length of the part, L2... the engagement length of the second concave shape part 121a.

Detailed ways

Hereinafter, the form for implementing the elevator apparatus of this invention is demonstrated, referring drawings. It should be noted that the same reference numerals are attached to the same or similar structures in each figure, and repeated descriptions will be omitted. In addition, in the following description, the lifting direction of the elevator car 4 is a vertical direction (up-down direction) p (refer FIG. 1), and the direction perpendicular|vertical to a vertical direction is called a horizontal direction, and is demonstrated.

Referring to Fig. 1, the structure of the elevator apparatus 1 will be described. Fig. 1 is a side view (vertical sectional view) showing an outline of an elevator apparatus 1 according to an embodiment of the present invention.

The elevator device 1 is provided with: an elevator car 4 and a counterweight 5, which move up and down in the hoistway 1A; a hoist 3, on which a main sling (not shown) is wound; and a guide rail 6 for the car, which is erected on the hoistway 1A. , used to guide the lifting of the elevator car 4;

The elevator car 4 and the counterweight 5 are installed inside a hoistway 1A provided in a building, and are suspended in a bucket-like manner by a main rope (not shown). In this embodiment, an example in which the hoist 3 is arranged at the uppermost part of the hoistway 1A is shown, but the position of the hoist 3 is not limited to the uppermost part of the hoistway 1A. The guide rail 6 for a car and the guide rail 7 for counterweights are vertically installed along the wall surface (building wall) WA of the building which forms the hoistway 1A.

The elevator device 1 of the present embodiment is a traction type elevator device. The hoist 3 frictionally drives the main rope to make the elevator car 4 go up and down along the guide rail 6 for the car, and the counterweight 5 is moved along the guide rail for the counterweight. 7 up and down. The car guide rail 6 and the counterweight guide rail 7 are fixed to the wall surface WA of the hoistway 1A via rail brackets 8 .

The hoist 3 is disposed in the machine room 1B provided at the uppermost portion of the hoistway 1A. In addition, in the machine room 1B, a control panel 2 for controlling the operation of the elevator apparatus 1 including raising and lowering of the elevator car 4 is disposed. It should be noted that the arrangement of the machine room 1B and the arrangement of the hoist 3 and the control panel 2 are not limited to the structure of this embodiment, and other structures may be adopted.

The hoistway 1A is formed in a building and is a hoisting space for the elevator car 4 and the counterweight 5 to go up and down. The elevator car 4 is provided with a door 41 for boarding and disembarking passengers at the front, and an opening 1C is provided on the wall surface WA on the front side (the hall H side) of the hoistway 1A, and the door 10 is provided in the opening 1C.

Next, the doors 10 and 41 and the door lock device 100 provided in the elevator apparatus 1 will be described with reference to FIGS. 2 and 3 . Fig. 2 is a plan view schematically showing the arrangement of the door lock device 100 with respect to the doors 10 and 41 of the elevator apparatus 1 according to the embodiment of the present invention. FIG. 3 is a front view showing an outline of the configuration of the door lock device 100 .

The door lock device 100 is a device for locking the door 10 , and in FIG. 2 , the door lock device 100 is shown as a plan view projected on a horizontal plane. In addition, FIG. 3 is a III arrow view of the door lock device 100 viewed from the direction indicated by arrow III in FIG.

The door 41 of the elevator car 4 is composed of two door members 41A and 41B, and the door member 41A and the door member 41B are left and right separated from the state shown in FIG. 2 to open the door. The door 10 on the hall H side provided in the opening 1C of the building wall WA is composed of two door members 10A and 10B, and the door member 10A and the door member 10B are left and right separated from the state shown in FIG. 2 to open the door.

In order to distinguish the door 41 of the elevator car 4 from the door 10 on the side of the hall H, the door 41 is called the car side door, and the door 10 is called the hall side door.

In this embodiment, the car-side door 41 and the hall-side door 10 are constituted by two door members, but may be constituted by one or three or more door members. In addition, the car side door 41 and the hall side door 10 have a structure in which a plurality of door members are separated and opened from the center to the left and right sides, but they may also be opened from one end to the other end in the left and right direction (width direction). structure.

The two door members (hall-side door members) 10A and 10B constituting the hall-side door 10 are supported by an unillustrated door hanger arranged above them, and are opened and closed synchronously by an unillustrated link mechanism. way to connect. In addition, the door hanger which is not shown in figure is provided in the upper part of each of the two hall-side door members 10A, 10B integrally with the hall-side door members 10A, 10B.

The door lock device 100 includes a first door lock device 110 and a second door lock device 120 . The first door lock device 110 is a door lock device that locks the elevator hall side door 10 in a state where it is closed, and the second door lock device 120 is a door lock device that locks the elevator hall side door 10 in a state where the first door lock device 110 is unlocked. A door lock device in which the opening width of the side door 10 is limited to a door opening width (second door opening width) smaller than that in a fully opened state (first door opening width). The first door opening width is set to such a size that a person cannot pass through. It should be noted that since the second door lock device 120 is a door lock device that limits the door opening width, it may also be called a door opening width limiting device.

As shown in FIG. 3 , the first door lock device 110 includes a hook 111 , a movable roller 113 , a fixed roller 114 , and a door lock switch 118 .

The hook 111 has a concave portion 111a formed at one end thereof, and a claw portion 111b is formed at one end (tip portion) of the concave portion 111a. The hook 111 is attached to an unillustrated door hanger via a shaft 111c. The hook 111 is provided so that one end formed with the concave portion 111a can rotate about the shaft 111c relative to the door hanger, that is, the hall side door 10 (the hall side door 10A in this embodiment).

The movable roller 113 is provided such that the shaft 113a is held by the hook 111 and rotates with the hook 111 relative to the door suspension around the shaft 111c of the hook 111 . Therefore, the roller 113 is called a movable roller.

As for the fixed roller 114, the shaft 114a is attached to the door hanger, and its position is fixed with respect to the door hanger, that is, the hall side door 10 (hall side door 10A in this embodiment). Therefore, the roller 114 is called a fixed roller.

The door lock switch 118 is used to engage with the hook 111 to perform locking mechanically and to confirm locking electrically. Therefore, the door lock switch 118 has a protrusion 118 a that engages with the concave portion 111 a of the hook 111 . That is, the protruding portion 118 a of the door lock switch 118 constitutes an engaging portion that engages with the concave portion 111 a of the hook 111 .

On the other hand, the concave portion 111 a of the hook 111 constitutes an engaging portion that engages with the protrusion 118 a of the door lock switch 118 . The hook 111 has a claw portion 111b at one end of the concave portion 111a, and the claw portion 111b engages with the side surface 118b of the protrusion 118a of the door lock switch 118 to prevent the hall side door 10 from opening.

It should be noted that the door lock switch 118 is a receiving portion for receiving the hook 111 and has a mechanical locking function, so it is called a locking portion or a locking member.

As shown in FIG. 3 , the second door lock device 120 includes a hook 121 , a movable roller 123 , a fixed roller 124 , and a lock portion 128 .

The hook 121 has a concave portion 121a formed at one end thereof, and a claw portion 121b is formed at one end (tip portion) of the concave portion 121a. The hook 111 is attached to an unillustrated door hanger via a shaft 121c. The hook 121 is provided so that one end formed with the concave portion 121a can rotate about the shaft 121c relative to the door hanger, that is, the hall side door 10 (the hall side door 10A in this embodiment).

The movable roller 123 is arranged such that the shaft 123 a is held by the hook 121 and rotates with the hook 121 relative to the door suspension around the shaft 121 c of the hook 121 . Therefore, the roller 123 is called a movable roller.

In the fixed roller 124, the shaft 124a is attached to the door hanger, and its position is fixed with respect to the door hanger, that is, the hall side door 10 (the hall side door 10A in this embodiment). Therefore, the roller 124 is called a fixed roller.

The locking portion (locking member) 128 is a receiving portion for receiving the hook 121 and engages with the hook 121 to limit the opening width of the hall side door 10 . Since the lock part 128 and the hook 121 restrict the opening of the hall side door 10, they can be regarded as members or devices for mechanically locking. The locking portion 128 has a protrusion 128 a that engages with the concave portion 121 a of the hook 121 . That is, the protruding portion 128 a of the locking portion 128 constitutes an engaging portion that engages with the concave portion 121 a of the hook 121 .

On the other hand, the recessed portion 121 a of the hook 121 constitutes an engaging portion that engages with the protrusion 128 a of the locking portion 128 . A claw 121b is provided at one end of the concave portion 121a of the hook 121, and the claw 121b engages with the side surface 128b of the protrusion 128a when the door is opened, thereby restricting the opening of the hall side door 10.

As mentioned above, in this embodiment, the first hook receiving portion (first locking portion) 118 has a protrusion 118a that engages with the first concave portion 111a of the first hook 111, and the first hook 111 It has a claw portion 111b provided at one end of the first concave shape portion 111a, and engages with the protrusion 118a of the first hook receiving portion 118 to prevent the opening of the hall side door 10 . On the other hand, the second hook receiving portion 128 has a protrusion 128a engaged with the second concave portion 121a of the second hook 121, and the second hook 121 has a claw portion 121b, and the claw portion 121b is provided on the second hook 121. One end of the concave shape part 121a engages with the protruding part 128a of the second hook receiving part 128 to limit the opening width of the elevator hall side door 10 .

In the first door lock device 110, the hook 111, the concave portion 111a, the shaft 111c, the movable roller 113, the shaft 113a, the fixed roller 114, the shaft 114a, and the locking portion (hook receiving portion) 118 are designed to be compatible with the first door lock device 110. The components on the side of the door lock device 120 are distinguished, sometimes referred to as the first hook 111, the first concave portion 111a, the first hook shaft 111c, the first movable roller 113, the first movable roller shaft 113a, The first fixed roller 114 , the first fixed roller shaft 114 a , and the first locking portion (first hook receiving portion) 118 .

In addition, in the second door lock device 120, the hook 121, the concave portion 121a, the shaft 121c, the movable roller 123, the shaft 123a, the fixed roller 124, the shaft 124a, and the locking portion (hook receiving portion) 128 are for Different from the components on the side of the first door lock device 110, they are sometimes referred to as the second hook 121, the second concave portion 121a, the second hook shaft 121c, the second movable roller 123, and the second movable roller shaft. 123 a , the second fixed roller 124 , the second fixed roller shaft 124 a , and the second locking portion (second hook receiving portion) 128 .

As described above, the elevator apparatus of this embodiment includes the elevator car 4 that moves up and down in the hoistway 1A, the hall side door 10 installed on the hall H side, and the door that locks the hall side door 10. The lock device 100, in the elevator device 1,

The door lock device 100 includes: a first door lock device 110 that locks the hall side door 10 in a closed state; Limited to a second door opening width La smaller than the first door opening width in the fully open state, the first door lock device 110 is provided with a first hook 111 having a first concave portion 111a at one end, and is configured to Can rotate around the first hook shaft 111c; and the first hook receiving portion 118, which engages with the first concave portion 111a of the first hook 111,

The second door lock device 120 includes: a second hook 121 having a second concave portion 121a at one end, and provided so as to be rotatable around a second hook axis 121c; and a second hook receiving portion 128 , which engages with the second concave portion 121a of the second hook 121, and the first concave portion 111a of the first hook 111 has a first hook receiving portion 118 for maintaining the closed state of the elevator hall side door 10. The engagement length L1 of the engagement,

The second concave portion 121a of the second hook 121 has an engagement length L2 that engages with the second hook receiving portion 128 to limit the opening width of the hall side door 10 to the second opening width.

As shown in FIG. 3 , the first door lock device 110 and the second door lock device 120 have substantially the same structure and configuration. The difference between the first door lock device 110 and the second door lock device 120 is the difference between the length L1 of the first concave shape part 111a and the length L2 of the second concave shape part 121a, and the opening and closing direction of the hall side door 10 The difference between the position of the protruding part 118a of the first locking part 118 and the position of the protruding part 128a of the second locking part 128 is different.

The first hook 111 and the second hook 121 are formed such that the length L2 of the second concave portion that determines the engagement length of the second concave portion 121a to engage with the second hook receiving portion 128 is greater than the length L2 that determines the first concave shape. The first concave shape portion length L1 of the engagement length of the portion 111 a that engages with the first hook receiving portion 118 . In this case, the first concave portion 111a of the first hook 111 has an engaging length L1 for maintaining the closed state of the hall side door 10, and the second concave portion 121a of the second hook 121 has a The side door 10 can be opened to an engagement length L2 of the first door opening width.

The first door lock device 110 and the second door lock device 120 are arranged side by side in the vertical direction.

The position of one end (claw 121b ) of the second concave portion 121a on the left in FIG. 3 is the same as the position of one end (claw 111b ) of the first concave portion 111a on the left in FIG. 3 . On the other hand, the position of the other end of the second concave portion 121 a on the right in FIG. 3 is different from the position of the other end of the first concave portion 111 a on the right in FIG. 3 . That is, the position of the other end of the second concave portion 121a is shifted to the right in FIG. 3 compared with the position of the other end of the first concave portion 111a. The length L2 of the second concave portion 121a is greater than the length L1 of the first concave portion 111a.

On the other hand, with regard to the difference between the position of the protrusion 118a of the first locking part 118 and the position of the protrusion 128a of the second locking part 128, the protrusion 128a of the second locking part 128 is located in the same position as the first locking part. The protruding portion 118a of 118 is shifted to the right side compared to FIG. 3 . The protrusion 128a of the second locking portion 128 restricts the opening width of the side door 10 of the elevator hall by engaging the side surface 128b of the protrusion 128a with the second hook 121 . The side surface 118b of the protrusion 118a of the first locking portion 118 engages with the first hook 111 to lock the hall side door 10 so that it cannot be opened. In the opening and closing direction of the hall side door 10, the side surface 128b of the protruding portion 128a of the second locking portion 128 is located on the right side in FIG. Shift the position of the length La. In this case, when the first concave portion 111 a of the first locking portion 118 is disengaged from the protrusion 118 a, the second concave portion 121 a is engaged with the protrusion 128 a of the second locking portion 128 . In the state of , the second hook 121 can move to the right side by a length La in FIG. 3 .

As described above, in the present embodiment, the protruding portion 118a of the first hook receiving portion (first locking portion) 118 and the protruding portion 128a of the second hook receiving portion (second locking portion) 128 are on the waiting ladder. The hall side door 10 is arranged at different positions in the door opening direction and in the up and down direction, and the claw portion 111b of the first hook 111 and the claw portion 121b of the second hook 121 are arranged in the same position in the door opening direction of the hall side door 10 , and are arranged in different positions in the vertical direction. In this case, the protruding portion 128a of the second hook receiving portion 128 is arranged on the side of the second concave portion 121a relative to the protruding portion 118a of the first hook receiving portion 118 in the door opening direction of the hall side door 10 . The other end side opposite to the one end where the claw portion 121b is provided.

Except for the above differences, the first door lock device 110 and the second door lock device 120 have the same structure and configuration. That is, the outer shapes of the first hook 111 and the second hook 121 are formed in the same shape except for the first concave portion 111 a and the second concave portion 121 a.

In addition, in this embodiment, the first door lock device 110 has: a first movable roller 113, which is configured to be able to rotate together with the first hook 111; and a first fixed roller 114, whose position is relative to the elevator hall The side door 10 is fixed,

The second door lock device 120 has: a second movable roller 123 configured to rotate together with the second hook 121 ; and a second fixed roller 124 whose position is fixed relative to the side door 10 of the elevator hall.

In this case, for the second hook 121 , the second hook shaft 121 c , the second movable roller 123 , and the second fixed roller 124 of the second door lock device 120 and the first hook of the first door lock device 110 111. The first hook shaft 111c, the first movable roller 113, and the first fixed roller 114, when the positions of either the second door lock device 120 or the first door lock device 110 are shifted in the vertical direction Next, arrange it so that it overlaps with the position of the other party.

On the other hand, the first lock part (door lock switch) 118 and the second lock part 128 are arranged such that the position of the protrusion 118 a of the first lock part 118 is different from the position of the protrusion 128 a of the second lock part 128 . , so that the shape of the first locking portion 118 and the shape of the second locking portion 128 can be completely identical.

Therefore, in the plan view shown in FIG. 2 , except for the first locking portion 118 and the second locking portion 128, the first door locking device 110 and the second door locking device 120 are within the range of RA (see FIG. 3 ). fully overlapped. That is, in FIG. 2 , the first door lock device 110 is hidden under the second door lock device 120 . It should be noted that, in FIG. 2 , only the protruding portion 118 a and the protruding portion 128 a are shown in the first locking portion 118 and the second locking portion 128 .

2 and 3 show a state where the engaging device 102 is engaged with the door lock device 100 in a state where the elevator car 4 is parked. In this engaged state, the first movable roller 113 and the first fixed roller 114 and the second movable roller 123 and the second fixed roller 124 are positioned on the inner sides of the side walls 102 a and 102 b of the engaging device 102 . Combined range ΔE. The engaging device 102 is disposed on the side of the elevator car 4, and when the elevator car 4 moves to another floor, the engagement of the door lock device 100 with respect to the engaging device 102 is released.

The engagement device (engagement member) 102 engages with the first movable roller 113 of the first door lock device 110 and the second movable roller 123 of the second door lock device 120 when the door is automatically opened, forming a movement with the car side door. 41 is an automatic unlocking device that unlocks the first door lock device 110 and the second door lock device 120 by moving in the door opening direction.

Next, the unlocking operation of the door lock device 100 during normal operation (automatic opening and closing) will be described with reference to FIGS. 4 to 6 . The unlocking operation shown in FIGS. 4 to 6 is accompanied by the opening and closing operation of the car side door 41 to automatically open and close the hall side doors 10A and 10B. That is, the door lock device 100 is automatically unlocked in conjunction with the opening and closing operation of the car side door 41 .

FIG. 4 is a front view showing the locked state of the door lock device 100 during automatic opening and closing.

In FIG. 4 , the first hook unlocking member 105 , the unlocking key 106 , and the second hook unlocking member 107 which are not shown in FIG. 3 are illustrated. The first hook unlocking member 105 , the unlock key 106 , and the second hook unlocking member 107 are components not related to the unlocking operation of the door lock device 100 during normal operation, and will be described later.

The engaging device 102 provided on the side of the elevator car 4 is engaged with the door lock device 100 when the elevator car 4 stops. That is, the first movable roller 113 and the first fixed roller 114 of the first door lock device 110 and the second movable roller 123 and the second fixed roller 124 of the second door lock device 120 are positioned within the engaging range ΔE, and become The state shown in Figure 4.

When the elevator car 4 stops, the concave portion 111a of the first hook 111 is engaged with the protruding portion 118a of the locking portion 118, and the concave portion 121a of the second hook 121 is in a state of engaging with the locking portion 128. In the state where the protrusions 128a of the door are engaged, the hall side doors 10A and 10B are locked.

FIG. 5 is a front view showing the unlocked state of the door lock device 100 during automatic opening and closing.

After the elevator car 4 stops, when the car side door 41 starts to open, the engagement device 102 arranged on the side of the car side door 41 moves together with the car side door 41, from the position represented by the engagement range ΔE to the position indicated by the engagement range ΔE. The position indicated by the engagement range ΔE'. Along with this movement, the side wall 102a of the engaging device 102 comes into contact with the first movable roller 113 and the second movable roller 123, and presses both rollers 113, 123 to the left in the figure.

At this time, the first movable roller 113 rotates around the first hook shaft 111c to lift up one end of the first hook 111 on the claw portion (first hook claw portion) 111b side. When the first movable roller 113 comes into contact with the first fixed roller 114 , the rotation operation is stopped. By the rotation of the first movable roller 113, the first hook 111 rotates, and the engagement between the concave portion 111a of the first hook 111 and the protrusion 118a of the door lock switch 118 is released, so that the first door lock device 110 is unlocked.

On the other hand, the second movable roller 123 rotates about the second hook shaft 121c and operates to lift one end of the second hook 121 on the claw portion (second hook claw portion) 121b side. The second movable roller 123 comes into contact with the second fixed roller 124 to stop its rotation. By the rotation of the second movable roller 123, the second hook 121 rotates, and the engagement between the concave portion 121a of the second hook 121 and the protrusion 128a of the locking portion 128 is released, so that the second door lock device 120 is unlocked.

That is, the elevator apparatus 1 of the present embodiment is provided with an engaging device 102 provided on the side of the car side door 41 on the elevator car 4 side, and when the engaging device 102 automatically opens the hall side door 10 and the car side door 41, By abutting against both the first movable roller 113 and the second movable roller 123 and pressing the first movable roller 113 and the second movable roller 123 as the car side door 41 moves, the first hook 111 and the second hook 121 rotate to unlock the first door lock device 110 and the second door lock device 120 .

By unlocking the first door lock device 110, the hall side doors 10A, 10B connected to the car side door 41 by the engaging device 102 and the door lock device 100 are opened in conjunction with the door opening operation of the car side door 41, Transition to the state shown in Figure 6.

FIG. 6 is a front view showing the state of the door lock device 100 in the door-open state at the time of automatic opening and closing.

In the state shown in FIG. 5 , the claw portion 121 b of the second hook 121 is in a state separated from the protruding portion 128 a of the locking portion 128 , and the elevator hall side doors 10A, 10B can be further opened from the state shown in FIG. 6 . action.

Next, the unlocking operation of the door lock device 100 at the time of manual opening and closing will be described with reference to FIGS. 7 to 9 . 7 to 9 show the operation of unlocking the door lock device 100 of the hall side door 10 when the elevator car 4 is not parked during maintenance and inspection.

FIG. 7 is a front view showing the locked state of the door lock device 100 during manual opening and closing.

During manual opening and closing, the door lock device 100 is unlocked using the first hook unlocking member 105 , the unlocking key 106 , and the second hook unlocking member 107 . One end of the first hook unlocking member 105 is connected to the first hook 111 . The unlock key 106 is configured to rotate the engaging portion 106 a by a key inserted into a key guide hole not shown. The second hook unlocking member 107 sandwiches the shaft 121c of the second hook 121, and is connected to the other end opposite to the end provided with the claw 121b. In this embodiment, the second hook unlocking member 107 is composed of a sling, which is hereinafter referred to as an unlocking sling for description.

It should be noted that in FIG. 7 , the state of the door lock device 100 is the same as that of FIG. 4 , but the engaging device 102 is not engaged with the door lock device 100 because the elevator car 4 has not stopped.

FIG. 8 is a front view showing the first unlocked state of the door lock device 100 during manual opening and closing.

In the first unlocked state, the engagement of the first hook 111 with respect to the first locking portion 118 is released, and the engagement of the second hook 121 with respect to the second locking portion 128 is maintained.

During manual opening and closing, the engaging portion 106a of the unlocking key 106 is rotated with a key inserted into the key guide hole not shown, and the lower end of the first hook unlocking member 105 is pressed leftward in the drawing. The lower end of the first hook unlocking member 105 is the other end opposite to the one end (upper end) connected to the first hook 111 . By this operation, the lower end of the first hook unlocking member 105 moves leftward in the figure relative to the upper end, and the first hook 111 rotates about the first hook shaft 111c. As a result, the engagement of the first hook 111 with the first locking portion 118 is released.

In this way, the first hook unlocking member 105 and the unlocking key 106 constitute a first unlocking system for unlocking the first door lock device 110 by releasing the engagement of the first hook 111 with the first locking portion 118 during manual opening and closing. device.

In the first unlocked state shown in FIG. 8 , the second hook 121 can move to the right in FIG. 3 by a length La in a state where the second concave portion 121 a is engaged with the second locking portion protrusion 128 a. That is, the hall side doors 10A, 10B are in a state where the first door lock device 110 is unlocked, and the hall side doors 10A, 10B can be opened with a first door opening width La smaller than that in the fully opened state. By opening the hall side doors 10A, 10B to the first door opening width La, the door lock device 100 is in the state shown by the solid line in FIG. 9 .

FIG. 9 is a front view showing a state in which the door lock device 100 transitions from the first unlocked state to the second unlocked state during manual opening and closing.

The posture of the second hook 121 shown by the solid line is the posture when the first unlocked state in FIG. 8 is maintained. When the hall side doors 10A, 10B are opened from the state shown in FIG. 8, the claw portion of the second hook 121 abuts against the side surface 128b of the second locking portion protrusion 128a, and the opening width of the hall side doors 10A, 10B is limited. is the first door opening width La. The state at this time is the state shown by the solid line in FIG. 9 (the first unlocked state).

In the state shown by the solid line in FIG. 9 , when the hand is inserted into the gap between the elevator hall side doors 10A, 10B opened to the first door opening width La to pull the unlocking sling 107, the second hook 121 acts like a double point. As indicated by the dashed line 121', the second hook shaft 121c is rotated, and the engagement of the second concave portion 121a with respect to the second locking portion protrusion 128a is released. This state is the second unlocked state. In this case, the second movable roller 123 provided on the second hook 121 also rotates around the second hook shaft 121c as indicated by the two-dot chain line 123'.

In the second unlocked state at the time of manual opening and closing, the first hook 111 and the second hook 121 are in the same state as shown in FIG. 6 at the time of automatic opening and closing, and the hall side doors 10A and 10B can be opened. to the fully open state.

In this manner, the unlocking cord 107 constitutes a second unlocking device that releases the engagement of the second hook 121 with the second locking portion 128 to unlock the second door lock device 120 during manual opening and closing.

In this embodiment, the first unlocking device that unlocks the first door lock device 110 by releasing the engagement of the first hook 111 with respect to the first locking portion 118 during manual opening and closing is the same as the first unlocking device that unlocks the first door locking device 110 during manual opening and closing. The second unlocking device that unlocks the second door lock device 120 by engaging the second hook 121 with the second locking portion 128 is configured as an independent unlocking device. Furthermore, during automatic opening and closing, both the engagement of the first hook 111 with respect to the first locking portion 118 and the engagement of the second hook 121 with respect to the second locking portion 128 pass through the engagement device 102 . was released at the same time. That is, at the time of automatic opening and closing, both the first door lock device 110 and the second door lock device 120 are unlocked by the same engagement device 102 . Thereby, the door lock device 100 can be configured compactly, and the door opening operation during automatic opening and closing and the door opening operation including the door opening width restriction during manual opening and closing can be reliably performed.

According to this embodiment, the door lock device 100 included in the elevator device 1 can be made compact. As a result, in a newly installed elevator apparatus, the degree of freedom in the design of the periphery where the door lock device 100 is arranged increases. Moreover, in the conventional elevator apparatus, the arrangement space of the 2nd door lock device 120 can be ensured easily, and the 2nd door lock device 120 can be easily attached by post-installation.

In addition, since the first door lock device 110 and the second door lock device 120 have the same shape and the same structure except for a part, when the second door lock device 120 is added to the existing elevator device, it is possible to use A second door lock device 120 is added based on the first door lock device 110 . Therefore, the expansion construction of the second door lock device 120 becomes easy, and the reliability of the operation of the second door lock device 120 can be easily ensured.

In addition, at the time of automatic opening and closing, the door opening power is obtained from the side of the car side door 41 through the engagement device 102, but since the door opening power is received by the first door lock device 110 and the second door lock device 120, it is possible to increase the door opening power. The strength of the receiving part of the door opening power.

In addition, in this embodiment, as for the components constituting the first door lock device 110 and the second door lock device 120, only the concave shape part 111a of the first hook 111 and the concave shape part 121a of the second hook 121 are different. Different shapes, other parts can be used together. In addition, in the first hook 111 and the second hook 121, it is only necessary to change the shapes of the concave shaped portions 111a and 121a, and there is no need to greatly change the specifications of the components. In the manufacturing method of performing additional processing on the concave shape parts 111a and 121a, the raw materials of the first hook 111 and the second hook 121 can be jointly produced.

It should be noted that the present invention is not limited to the above-mentioned embodiments, and includes various modified examples. For example, the above-mentioned embodiments have been described in detail to explain the present invention in an easy-to-understand manner, and are not necessarily limited to the embodiments having all the configurations. In addition, a part of the structure of the embodiment can be replaced with another structure. In addition, addition, deletion, and replacement of other configurations can be performed on a part of the configurations of the embodiments.

Claims (8)

1. A kind of elevator apparatus, it is provided with the elevator car that ascends and descends in hoistway, is arranged on the hall side door of hall side, and the door lock device that locks described hall side door, is characterized in that , The door lock device includes: a first door lock device that locks the elevator hall side door in a closed state; and a second door lock device that locks the elevator hall side door when opening the door. The width is limited to a second door opening width smaller than the first door opening width in the fully opened state, The first door lock device includes: a first hook having a first concave portion at one end and being configured to be rotatable around the first hook shaft; and a first hook receiving portion that is compatible with the first hook the first concave portion of the first hook engages, The second door lock device includes: a second hook having a second concave portion at one end and being configured to be rotatable around the second hook axis; and a second hook receiving portion that is compatible with the second hook the second concave part of the second hook is engaged, The first concave portion of the first hook has an engaging length for engaging with the first hook receiving portion while maintaining the closed state of the elevator hall side door, The second concave portion of the second hook has an engaging length for engaging with a second hook receiving portion that limits the opening width of the elevator hall side door to a second opening width. 2. Elevator installation according to claim 1, characterized in that, The first hook and the second hook are formed such that the length of the second concave portion that determines the engaging length of the second concave portion to engage with the second hook receiving portion is greater than the determined length. The engagement length of the first concave shape portion and the first hook receiving portion is the length of the first concave shape portion. 3. Elevator installation according to claim 2, characterized in that, The first door lock device and the second door lock device are arranged side by side in the vertical direction. 4. Elevator installation according to claim 3, characterized in that The first hook receiving portion has a protrusion engaging with the first concave portion of the first hook, The first hook has a claw, and the claw is provided at one end of the first concave shape, and engages with the protrusion of the first hook receiving portion to prevent the elevator hall from moving. side door open, The second hook receiving portion has a protrusion engaging with the second concave portion of the second hook, The second hook has a claw, and the claw is provided at one end of the second concave shape, and engages with the protrusion of the second hook receiving portion to limit the elevator hall. The opening width of the side door. 5. Elevator installation according to claim 4, characterized in that The protruding portion of the first hook receiving portion and the protruding portion of the second hook receiving portion are arranged at different positions in the door opening direction and the vertical direction of the side door of the elevator hall, The claw portion of the first hook and the claw portion of the second hook are arranged at the same position in the door opening direction of the elevator hall side door, and are arranged at different positions in the vertical direction. , The protruding portion of the second hook receiving portion is arranged opposite to the end portion of the second concave shape portion where the claw portion is provided with respect to the protruding portion of the first hook receiving portion. One side of the other end side. 6. Elevator installation according to claim 5, characterized in that The outer shapes of the first hook and the second hook are formed in the same shape except for the first concave portion and the second concave portion. 7. Elevator installation according to claim 6, characterized in that, The first door lock device has: a first movable roller, which is configured to be able to rotate together with the first hook; and a first fixed roller, whose position is fixed relative to the side door of the waiting hall, The second door lock device has: a second movable roller, which is configured to be able to rotate together with the second hook; and a second fixed roller, whose position is fixed relative to the side door of the elevator hall, For the second hook, the second hook shaft, the second movable roller and the second fixed roller of the second door lock device and the first door lock device of the first door lock device, A hook, the first hook shaft, the first movable roller, and the first fixed roller, when the position of any one of the second door lock device and the first door lock device When shifting in the up-down direction, it arrange|positions so that it may overlap with the other position. 8. Elevator installation according to claim 7, characterized in that The elevator apparatus is provided with an engaging device provided on one side of the car side door on the side of the elevator car, The engaging device abuts against both the first movable roller and the second movable roller when the hall side door and the car side door are automatically opened, and the car The movement of the compartment side door presses the first movable roller and the second movable roller, so that both the first hook and the second hook rotate, and the first door lock device and the second door lock device to unlock.

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