JPH10194643A - Vertically opening/closing door type elevator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To release a locked condition of a locking mechanism from the entrance side by means of simple operation alone. SOLUTION: A vertically opening/closing door type elevator is provided with a locking mechanism, and the locking mechanism is provided with a hook 13 installed in a lower door 5 freely oscillationally, a hook locking member 15 which is fixed on the inside wall 14a of a jamb and locks the hook 13, and a cam member 16 which is journalled to the inside wall 14a freely rotationally. In the can member 16, a landing floor engagement roller 16b, which is pressed in landing of a car, is arranged in one end, while a hook engaging roller 16c, which can be engaged with the hook 13, is arranged in the other end. An opening metal fitting 20 is installed in the intermediate position of the cam member 16, while a handle operation hole 23 through which a handle member is inserted is arranged in the inside wall 14a. When the handle member is inserted into the handle operation hole 23, the can member 16 is rotated via the opening metal fitting 20, so that the engagement between the hook 13 and the hook locking member 15 can be released.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vertical door type elevator, and more particularly, to a locking mechanism provided between a lower door and a three-way frame from a three-way frame using a handle member. The present invention relates to a vertically movable door type elevator capable of being operated.

[0002]

2. Description of the Related Art Heretofore, as an up-down door-type elevator, those having the constructions shown in FIGS. 5 to 8 have been known.

FIG. 5 is a front view showing a known elevator with a vertical opening / closing door, FIG. 6 is a vertical sectional view taken along line AA shown in FIG. 5, and FIG. 7 is a view shown in FIG. FIG. 8 is a side view showing an example of a locking mechanism provided in the upper / lower door type elevator, and FIG. 8 is a front view of the locking mechanism shown in FIG. 7.

[0005] As shown in FIGS. 5 and 6, an elevator with a vertical opening and closing door is a car 2 that moves up and down in a hoistway 1.
A pair of guide rails 4 vertically erected and fixed on both sides of the entrance 3 and a plurality of guide shoes 5a on both sides,
A lower door 5 that opens and closes vertically along a pair of guide rails 4 by the guides of these guide shoes 5a, and a plurality of guide shoes 6a on both sides similarly. An upper door 6 that opens and closes vertically along a guide rail 4, a plurality of pulleys 7, 8, 9 disposed above the entrance 3, and a lower door 5
And a balance weight 11 connected to the upper door 6 via pulleys 7 to 9 and a rope 10, and a locking mechanism 12 for locking the lower door 5 and the upper door 6.

As shown in FIGS. 7 and 8, the locking mechanism 12 includes at least a hook 13 swingably attached to the lower door 5 by a support portion 13a and an inner wall 14a of a three-way frame. A hook locking member 15 which is fixed and the hook 13 is locked, and a support shaft 16a provided on an inner side wall 14a of the three-way frame.
A landing engagement roller 16b is rotatably fixed via the shaft and pressed at one end when the car 2 is landing, and a hook 13 at the other end.
And a cam member 16 provided with a hook engaging roller 16c capable of engaging with the cam member 16. Hook locking member 15 and shaft 1
6a is attached to a door switch 18 fixed to the inner side wall 14a of the three-way frame via an attachment base 17.

[0006] The vertical door type elevator having the above-mentioned structure operates as follows. When the car 2 arrives on the floor, an engaging portion (not shown) provided on the side of the car 2 presses the landing engaging roller 16b of the cam member 16, and the support shaft 16
The landing engagement roller 16b is rotated in the direction of arrow a relative to a. The rotation of the landing engagement roller 16b causes the support shaft 1 to rotate.
The hook engaging roller 16c abuts and presses the hook 13 against the hook 6a to rotate the hook 13 in the direction of the arrow b, so that the engagement between the hook 13 and the hook locking member 15 is released. As described above, the unlocking of the locking mechanism 12 enables the lower door 5 and the upper door 6 to be opened and closed. If the operator pushes up these doors 5 and 6 by hand,
These doors 5, 6 can be opened freely.

[0007]

By the way, in the above-mentioned known vertical door type elevator, the locking state of the locking mechanism 12 is released from the entrance 3 except when the car 2 has landed. The side door 5 cannot be opened and closed. For this reason, for example, at the time of periodic inspection work in the hoistway or at the time of the upper inspection work of the car 2, the lower door 5 with respect to the floor where the car 2 is not floored, There is a problem that the door 5 cannot be easily opened and closed, and a complicated operation procedure is required to open and close the door 5.

The present invention solves such a problem. The first object of the present invention is to release the locking state of the locking mechanism from the entrance by simply performing a simple operation using the handle member. It is an object of the present invention to provide an elevator capable of opening and closing doors.

A second object of the present invention is to maintain the unlocked state of the locking mechanism by the handle member when the locking state of the locking mechanism is unlocked by the handle member, and to open and close the door using both hands. It is an object of the present invention to provide a vertically movable door type elevator capable of performing the following.

[0010]

In order to achieve the first object, an elevator with an openable and closable door according to the present invention comprises a hook rotatably mounted on a lower door and a fixed inner wall of a three-way frame. A hook engaging member to which the hook is engaged, a landing engagement roller which is rotatably fixed to the inner wall of the three-sided frame and is pressed at one end when the car is landing on the floor, and a hook at the other end. A lock mechanism having a cam member having a hook engaging roller capable of engaging with the handle member, wherein the handle is configured to mount an opening at an intermediate position of the cam member and insert the handle member into the inner wall of the three-way frame. An operation hole is provided, and when the handle member is inserted into the handle operation hole, the cam member is rotated via the release fitting to release the engagement between the hook and the hook locking member.

According to the present invention having the above structure, when opening / closing a door of a floor where a car is not placed on the floor, a handle member is inserted into a handle operation hole provided on the inner side wall of the three-way frame from the entrance / exit side. Inserted, by the inserted handle member,
Push up the opening bracket attached to the middle position of the cam member,
If the engagement between the hook and the hook locking member is released by rotating the cam member, the locked state of the locking mechanism can be easily released from the entrance side.

In order to achieve the second object, an up-and-down door-type elevator according to the present invention comprises a handle member, a long operation body having one end inserted into the handle operation hole, and a shaft. And a support provided with a magnet plate adhered to a surface facing the inner side wall of the three-way frame, and provided between the operating body and the support, and the engagement between the hook and the hook locking member is released by the operating body. And a holding means for holding the state. Preferably, the holding means is made of a compression spring material.

According to the present invention having the above structure, when opening / closing a floor door on which a car is not placed, a long handle operation hole provided on the inner side wall of the three-way frame from the entrance / exit side. Insert one end of the operating body, and depending on the inserted operating body,
When the release member attached to the intermediate position of the cam member is pushed up to rotate the cam member to disengage the hook from the hook engaging member, the magnet plate adhered to the support is moved to the three-sided frame. If the inner wall is magnetically attracted, the support supports the operating body and the holding means provided between the support and the operating body releases the engagement between the hook and the hook locking member by the operating body. Is held, the door can be opened and closed using both hands when the locking state of the locking mechanism is manually released.

[0014]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a side view showing the structure of a locking mechanism in an embodiment of a vertical opening / closing door type elevator according to the present invention, and FIG. 2 is a view of the vertical opening / closing door type elevator according to the present invention as seen from a doorway. FIG. 3 is a front view, and FIG. 3 is a perspective view showing an example of a configuration of a handle member for operating the locking mechanism shown in FIG.

1 to 3, reference numeral 20 denotes an opening bracket,
Reference numeral 21 denotes a doorway, reference numeral 22 denotes a handle operation hole, reference numeral 23 denotes a handle member, reference numeral 23a denotes a long operation body, reference numeral 23b denotes a grip locking band, and the other components are the same as those shown in FIGS. Elements are assigned the same reference numerals, and descriptions of those constituent elements are omitted.

As shown in FIG. 1, a vertically open / close door type elevator according to this embodiment has a substantially rectangular opening metal fitting 20 riveted to an intermediate position of a cam member 16 and, as shown in FIG. Entrance / exit 21 on the inner wall of frame 14
Handle operation hole 22 reaching the vicinity of the opening 20 from the side
The configuration is the same as that of the above-mentioned known vertical door type elevator, except that the elevator is provided. Further, in the vertical elevator with the open / close door according to this embodiment, as shown in FIG. 3, a long operating body 23a and a long operating body 23
A handle member 23 comprising a grip locking band 23b wound around the other end of the handle a is used. The distal end side of the long operation body 23a is inserted into the handle operation hole 22 and engaged with the release fitting 20. By rotating the cam member 16 in combination, the engagement between the hook 13 and the hook locking member 15 can be released.

According to the embodiment of the present invention having the above-described configuration, during the inspection work in the hoistway 1 or the upper inspection work of the car 2 which is periodically performed, the floor where the car 2 does not land is placed. When opening and closing the upper door 5 and the lower door 6 on the floor, the inspection worker holds the handle member 23 in his hand and attaches the tip of the long operation body 23 a to the handle operation hole 22 provided on the inner side wall of the three-sided frame 14. , And the tip is brought into contact with the lower side of the opening bracket 20 as shown in FIG. In this state, the position where the long operating body 23a abuts on the edge of the handle operation hole 22 is used as a fulcrum to support the long operating body 23a.
When the other end is pulled down, the tip pushes up the opening bracket 20, and the cam member 16 rotates around the shaft 16a in the direction of arrow a. The rotation of the cam member 16 causes the hook engaging roller 16c to come into contact with the hook 13 so that the hook 13
In this direction, the hook 13 and the hook engaging member 15 are disengaged from each other. At this time, the inspection worker performs the inspection work by pushing up the lower door 5 with the other hand while holding the other end of the long operating body 23a with one hand pulled down and opening the lower door 5 with the other hand. The member can move his body from the entrance 21 side to the hoistway 1 side.

It is noted that the inspection worker is in the hoistway 1 and the car 2
While the inspection work is being performed at the upper part of the vehicle, the lower door 5 is lowered and the locking mechanism 12 is locked again. However, when the inspection worker moves from the hoistway 1 side to the entrance 21 side, If the cam member 16 is rotated, the hook 13 and the hook locking member 1
5 can be easily released, and the lower door 5 can be pushed up by hand.

As described above, according to this embodiment of the present invention, even when the car 2 is on the floor where the car 2 is not on the floor, the handle member 23 is used to move the lower door from the entrance 21 side. 5, the locking state of the locking mechanism 12 can be easily released, and the lower door 5 can be opened by hand.

FIG. 4 is a perspective view showing another example of the configuration of the handle member for operating the locking mechanism in one embodiment of the vertically openable door type elevator according to the present invention.

In FIG. 4, reference numeral 24 denotes a handle member;
a is a long operating body, 24b is a magnet plate, 24c is a support,
24d is a compression spring material (holding means), and 24e is a grip locking band.

As shown in FIG. 4, the handle member 24 of the present embodiment has a long operating body 24a having a substantially circular section in one end inserted into the handle operating hole 22, and the operating body 24a is fixed to the shaft. A support 24c having a rectangular cross section, and a support 24c
And a long operating body 24 attached to one side of the
The compression spring member 24d is coupled between the vicinity of the other end of the support member 24a and the other surface of the support 24c, and a grip locking band 24e wound around the other end of the long operation body 24a. .

The handle member 2 of the present embodiment configured as described above
In the case where the inspection member 4 is used, the inspection worker inserts the tip of the long operation body 24a into the handle operation hole 22 provided on the inner side wall of the three-sided frame 14 with the handle member 24 as a hand, and is shown in FIG. As described above, the tip is brought into contact with the lower side of the opening bracket 20. In this state, when the other end of the long operation body 24a is pulled down with the position where the long operation body 24a abuts on the edge of the handle operation hole 22 as a fulcrum, the tip is opened.
0 is pushed up, and the cam member 16 rotates in the direction of arrow a about the shaft 16a. The rotation of the cam member 16 causes the hook engaging roller 16c to abut on the hook 13, and the hook 1
3 is rotated in the direction of arrow b, and the engagement between the hook 13 and the hook locking member 15 is released. At this time, when the inspection operator magnetically attracts the magnet plate 24b to the inner wall of the three-sided frame 14, the compression spring member coupled between the vicinity of the other end of the long operating body 24a and the support 24c. By 24d, the other end of the long operating body 24a is held in a state of being pulled down, and even if the inspection worker releases his / her hand from the handle member 24, the tip of the long operating body 24a continues to push up the opening metal 20. The hook 13 and the hook engaging member 15 are held in a state where the engagement is released. Therefore, the inspection operator can open and close the lower door 5 using both hands.

In the handle member 24 of this embodiment, the compression spring 24d is used as the holding means for holding the other end of the long operating body 24a in a lowered state. Is not limited to the compression spring body 24d, and any material may be used as long as it can achieve the same function as the compression spring body 24d.

[0026]

As described above, according to the present invention, even if the car is not on the floor, the simple operation is performed after the handle member is inserted into the handle operation hole. The door can be opened by releasing the locking state of the locking mechanism from the entrance / exit side, thereby shortening the time required for inspection work inside the hoistway or inspection work on the upper part of the car. effective.

According to the one handle member of the present invention, after the lock state of the locking mechanism is released from the entrance side by the handle member, the release of the lock state of the locking mechanism is maintained even if the hand is released. Therefore, the door can be opened and closed with both hands, which has the effect of further improving workability.

[Brief description of the drawings]

FIG. 1 is a side view showing the configuration of a locking mechanism in an embodiment of a vertically openable door type elevator according to the present invention.

FIG. 2 is a front view of the vertical opening / closing door type elevator according to the present invention as viewed from the entrance side.

FIG. 3 is a perspective view showing an example of a configuration of a handle member for operating the locking mechanism shown in FIG. 1;

FIG. 4 is a perspective view showing another example of the configuration of the handle member for operating the locking mechanism shown in FIG. 1;

FIG. 5 is a front view showing a known vertical opening / closing door type elevator.

6 is a longitudinal sectional view taken along line AA shown in FIG.

FIG. 7 is a side view showing an example of a locking mechanism provided in the vertical opening / closing door type elevator shown in FIG.

8 is a front view of the locking mechanism shown in FIG.

[Explanation of symbols]

 Reference Signs List 5 Lower door 6 Upper door 12 Locking mechanism 13 Hook 14 Three-sided frame 14a Inner wall 15 Hook locking member 16 Cam member 20 Opening fitting 21 Getting on and off 22 Operating hole 23, 24 Handle member 24a Operating body 24b Magnet plate 24c Supporting body 24d Spring body (holding means)

Claims (3)

[Claims] 1. A hook rotatably attached to a lower door, a hook locking member fixed to an inner wall of a three-way frame and locking the hook, and a hook on an inner wall of the three-way frame. A locking mechanism having a landing engagement roller movably fixed to the shaft and pressed at one end during landing of the car, and a cam member having a hook engagement roller capable of engaging with the hook at the other end. In the vertical opening / closing door type elevator, a handle operation hole for inserting a handle member is provided on the inner side wall of the three-sided frame while an opening bracket is mounted at an intermediate position of the cam member, and the handle member is inserted into the handle operation hole. At that time,
A vertically opening and closing door type elevator, wherein the cam member is rotated via the opening fitting to release the engagement between the hook and the hook locking member. 2. The handle member has a long operating body having one end inserted into the handle operating hole, a shaft fixed to the operating body, and a magnet plate attached to a surface facing an inner wall of a three-way frame. And a holding means provided between the operating body and the supporting body, the holding means being configured to hold a state in which the hook and the hook locking member are disengaged by the operating body. The up-down opening / closing door type elevator according to claim 1. 3. The elevator according to claim 2, wherein the holding means is a compression spring material.