JPH07285768A - Elevator landing door device - Google Patents

Abstract

PURPOSE:To provide an elevator landing door device to facilitate regulation of assembly and reduce size. CONSTITUTION:An elevator landing door device comprises a hanger case 8A erected on the upper frame 6 of a three-way frame 3 arranged at an elevator landing entrance; a pair of upper and lower guide rails 10A mounted on the vertical surface on the elevator shaft 1 side of the hanger case 8A in parallel to the upper frame by means of a bolt 23; and a roller 14 rotatably supported on a surface positioned facing the hanger case 8A of a door hanger 13 erected on the upper part of a landing door 12 and nipped between a pair of upper and lower guide rails 10A with a gap therebetween, and rolled for guidance along with movement of a landing door 12 by a pair of the upper and lower guide rails 10A.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator hall door device installed in an elevator hall.

[0002]

2. Description of the Related Art A conventional elevator hall door device disclosed in Japanese Utility Model Publication No. 3-166189 is shown in FIGS. FIG. 8 is a front view of the elevator hall door device on the hoistway side,
FIG. 9 is an enlarged view taken along the line IX-IX in FIG. In the figure, reference numeral 1 is a hoistway wall of an elevator hall, and an entrance / exit 2 is bored in the hoistway wall 1, a three-way frame 3 is arranged in the entrance / exit 2, and a sill is set at a lower edge of the entrance / exit 2. 4 is laid. The three-way frame 3 includes a pair of vertical frames 5 along the side edges of the entrance / exit 2, and an upper frame 6 having a substantially groove-shaped cross section that is horizontally installed between the upper portions of the vertical frames 5.
And is configured. In addition, at both ends of the upper frame 6,
An L-shaped mounting bracket 7 is fixed vertically, and a hanger case 8 is screwed to the elevations of the plurality of mounting brackets 7 with a set screw 9. The door rail 10 located on the hoistway side is horizontally fixed to the portion, and a plurality of fixing metal fittings 11 are welded to the upper part of the hanger case 8, and the fixing metal fittings 11 are attached to the hoistway wall 1.
It is fixed to the side.

Reference numeral 12 denotes a plurality of doors for opening and closing the entrance / exit 2. At the upper part of the door 12, on both sides of the upper part of the door hanger 13, there are rotatable rollers 14 which are hung and guided by the door rail 10. On both sides of the lower part of the door hanger 13, a rotatable up-thrust roller 15 set with a slight gap with the door rail 10 is pivotally supported, and the up-thrust roller 15 causes the roller 14 to be separated from the door rail 10. To prevent that. Also, the door 1
A plurality of door shoes 16 that are loosely inserted in the guide grooves of the sill 4 are attached to the lower portion of 2. Further, the main part of the interlocking mechanism that interlocks the plurality of doors 12 is composed of a rope 17 and pulleys 18 provided on both sides for changing the moving direction of the rope 17, and the pulley 18 is pivotally supported by a mounting bracket 19 and mounted. The metal fitting 19 is screwed to the hanger case 8, and the rope 17 is fixed to the door hanger 13 by a mounting metal fitting 20. The locking mechanism for locking the landing door 12 includes a movable latch 21 rotatably mounted on the door hanger 13 and a fixed latch 2 fixed to the hanger case 8 via a mounting plate 22.
Equipped with 7.

Next, the operation will be described. When an elevator car (not shown) is landed on the landing and the driving force for opening and closing the car door is transmitted to the door 12 equipped with the movable latch 21, when the door 12 opens, the locking mechanism moves. The latch 21 is released from the fixed latch 22 and unlocked, and when the door 12 moves in the door opening direction by the roller 14 rolling on the door rail 10, at this time, the up thrust roller 15
Operate to prevent the roller 14 from disengaging from the door rail 10. Further, the driving force is transmitted to the opposite door by the interlocking mechanism including the rope 17 and the pulley 18 to perform the door opening / closing operation.

[0005]

Since the conventional landing door device is constructed as described above, the up-thrust roller 15 is arranged so that the door 12 does not come off from the door rail 10.
It is necessary to set the gap between the door rail 10 and
The work time is long due to the adjustment, and the door hanger 1 is provided to provide the rollers above and below the rail 10, respectively.
3 and the size of the hanger case 8 in the height direction are increased,
There was a problem in that the size of the hall door device as a whole was restricted due to the restrictions on the height of the building ceiling.
Moreover, since the hanger case 8 cannot be downsized, the hanger case 8 cannot be attached to the upper frame of the three-way frame 3 from the landing side, and the attachment work has to be performed from within the hoistway.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a small and lightweight elevator hall door device while eliminating the adjustment of rollers for preventing the door from coming off. There is. Furthermore, it is an object of the present invention to provide an elevator landing door device which can be mounted on the floor side of the landing floor by downsizing the hanger case and has good installation workability.

[0007]

An elevator hall door apparatus according to the present invention comprises a pair of vertical frames provided on both side edges of an elevator hall entrance and exit, and an upper frame horizontally installed between upper portions of the vertical frames. , A hanger case which is erected and fixed on the upper part of the upper frame, a pair of upper and lower guide rails arranged substantially parallel to the upper frame on the hoistway side elevation surface of the hanger case, and the opening and closing of the landing door A door hanger fixed upright on the upper part of a plurality of doors, and a rolling portion that is sandwiched between the pair of upper and lower guide rails and rolls on the rolling surface of the guide rail and protrudes in the outer radial direction. The door hanger has a flange portion provided on both sides of the rolling portion, and a roller rotatably supported on the surface of the door hanger facing the hanger case is provided between the pair of upper and lower guide rails. It depends on the diameter of the rolling part of the roller. Large, and and those smaller than the diameter of the flange portion.

Further, in the elevator landing door apparatus according to the next invention, the pair of upper and lower guide rails are formed by an upper rail and a lower rail which are detachably attached to the hanger case.

Further, in the elevator landing door apparatus according to the next invention, the pair of upper and lower guide rails are mounted on the vertical surface of the hanger case on the hoistway side substantially parallel to the upper frame. A material, which is formed by the C-shaped open end of the profiled material.

Further, an elevator hall door device according to the next invention includes an interlocking mechanism for interlocking a plurality of doors for opening and closing a hall entrance, a locking mechanism for locking the doors in a fully closed state, and an elevating and lowering of a pair of upper and lower guide rails. A pair of mounting plates fixed to the rails sandwiching the road side surface and the opposite side surface are provided, and at least one of the interlocking mechanism and the locking mechanism is mounted on the mounting plate abutting the hoistway side surface. It was done.

In the elevator hall door device according to the next invention, the height dimension of the hanger case is smaller than the distance between the upper surface of the opening of the hoistway wall of the elevator hall and the upper surface of the upper frame.

In the elevator hall door device according to the next invention, the height dimension of the hanger case is smaller than the distance between the upper end face of the opening of the hoistway wall of the elevator hall and the upper face of the upper frame.

Further, an elevator landing door apparatus according to the next invention includes a pair of hoistway side attachment plates that abut against the hoistway side surface of the C-shaped opening of the profile and a predetermined position on the opposite side surface thereof so as to face each other. The opposite side mounting plate and the tightening bolts that are inserted through the hoistway side mounting plate and screwed into the opposite side mounting plate, and press and fix the pair of mounting plates to the side surface of the opening, The profiled member is provided with a hole into which the tip of the tightening bolt is inserted when the mounting plate is fixed at a predetermined position.

[0014]

The elevator hall door device according to the present invention comprises:
A pair of upper and lower guide rails arranged substantially parallel to the upper frame on the hoistway side elevation of the hanger case, a door hanger fixed upright on the upper part of a plurality of doors that open and close the landing entrance and exit, and a pair of upper and lower guide rails. A hanger case for a door hanger that has a rolling part that is sandwiched between the guide rails and rolls on the rolling surface of the guide rail, and a flange part that protrudes in the outer diameter direction and is circumferentially provided on both sides of the rolling part. Since the gap between the pair of upper and lower guide rails is larger than the diameter of the rolling portion of the roller and smaller than the diameter of the flange portion, the pair of upper and lower guide rails is provided with a roller rotatably supported on the facing surface side. Guides the roller from above and below, so the roller will not be disengaged from the rail without providing an up-thrust roller.

Further, in the elevator landing door apparatus according to the next invention, since the pair of upper and lower guide rails are formed by the upper rail and the lower rail detachably attached to the hanger case, the upper rail is removed and the rollers, etc. are removed. The members can be replaced.

Further, in an elevator hall door apparatus according to the next invention, a pair of upper and lower guide rails are mounted on a vertical surface of a hanger case on the hoistway side substantially parallel to the upper frame and have a C-shaped section. Since it is formed by the C-shaped opening end of the profiled material, the pair of upper and lower guide rails become an integral body, and it is not necessary to adjust the interval between the upper and lower rails.

Further, an elevator hall door device according to the next invention includes an interlocking mechanism for interlocking a plurality of doors for opening and closing a hall entrance, a locking mechanism for locking the doors in a fully closed state, and a hoistway for a pair of upper and lower guide rails. A pair of mounting plates fixed to both rails by sandwiching the side surface and the opposite side surface thereof,
Since at least one member of the interlocking mechanism and the locking mechanism is mounted on the mounting plate that is in contact with the side surface of the hoistway, it becomes possible to mount either one of the interlocking mechanism and the locking mechanism based on the rail, and the assembling accuracy is improved. Is improved.

Further, in the elevator landing door apparatus according to the next invention, since the upper and lower guide rails guide the rollers from above and below, it is not necessary to provide an up thrust roller.
Since the size of the hanger case can be reduced and the height of the hanger case has been made smaller than the distance between the upper end face of the hoistway wall of the elevator hall and the upper face of the upper frame, the hanger case can be fixed to the upper frame from the hall side. .

Furthermore, an elevator landing door apparatus according to the next invention is a pair of hoistway-side mounting plates that face and abut on the hoistway side surface of the C-shaped opening of the profile and a predetermined position on the opposite side surface of the hoistway side surface. Side mounting plate and a bolt for inserting the hoistway side mounting plate and screwing into the mounting plate on the opposite side, and pressing the pair of mounting plates against the side surface of the opening to fix the pair of mounting plates. Since the profiled member is provided with a hole into which the tip of the tightening bolt is inserted when it is fixed in position, the mounting plate can be fixed to the rail based on the hole provided in the profiled member.

[0020]

【Example】

Example 1. An embodiment of the present invention will be described below with reference to the drawings. 1 is a front view of the hall door device on the hoistway side, FIG. 2 is an enlarged view taken along the line II-II of FIG. 1, FIG. 3 is an enlarged view taken along the line III-III of FIG. 1, and FIG. FIG. 8 is an enlarged view taken along line IV in FIG.
The same reference numerals as those used in FIG. In the figure, 10A is a door rail, which is a pair of upper and lower guide rails made of a deformed material having a C-shaped cross section.
The roller 14 is formed so as to be sandwiched from above and below, and the roller 14 has a rolling portion 14A that rolls on the door rail 10A and a flange portion 14B that projects around both sides of the rolling portion 14A. is doing. The door rail 10A
The upper end of the opening having a C-shaped cross section is called an upper rail, and the lower end is called a lower rail. The distance between the upper rail and the lower rail is set to be larger than the diameter of the rolling portion 14A and smaller than the diameter of the flange portion 14B. Therefore, the door rail 10A
When the door 12 is hung by the roller 14
A small gap is formed between the upper part of 4 and the upper rail. Further, the door rail 10A has a screw 2
3 is screwed to the hanger case 8A, the hanger case 8A is bent downward toward the landing, and the hanger case 8A is directly screwed to the three-way frame upper frame 6 at this position. At this time, the height dimension of the hanger case 8A is configured to be smaller than the dimension from the lower end of the upper opening of the hoistway 1 to the three-way frame upper frame 6, so that the hanger case 8A can be carried in from the landing side and fixed to the three-way frame upper frame 6. Is configured. The dimension from the lower end of the upper opening of the hoistway 1 to the three-sided frame upper frame 6 is related to the height of the three-sided frame upper frame 6 determined in relation to the height of the door 12 and the ceiling height of the building. It is determined by the dimension up to the lower end of the upper opening of the hoistway 1, which cannot be made larger than this limit. Therefore, in the configuration shown in FIG. 9, the hanger case 8 can be made smaller than this dimension. There wasn't.

Further, a pulley 18 for winding a small height dimension shown in FIG. 3 is pivotally supported by a mounting plate 24, and the mounting plate 24 is tightened by a fixing plate 25 having a screw hole. Two
6 and tightens the door rail 10A to the fixing plate 2
It is fixed by being sandwiched with the 5. Next, FIG.
The method of fixing the locking mechanism will be described below. The fixing latch 27 of the locking mechanism is screwed to a mounting plate 28, and the mounting plate 28 is fixed to a fixing plate 29 having a screw hole by a tightening bolt 30, and the tip end of the tightening bolt 30 is a rail 10.
The hole 31 provided in A is inserted up to the middle part, and this hole 3
It is positioned by 1 and plays a role of preventing misalignment.

Next, the operation of the embodiment of the present invention will be described. When an elevator car (not shown) is landed on the landing and the driving force for opening and closing the car door is transmitted to the door 12 provided with the movable latch 21, when the door 12 opens,
The movable latch 21 of the locking mechanism is disengaged from the fixed latch 27 to unlock the door, and the door 12 is provided with the roller 14 provided above the door 12.
When the vehicle rolls on the lower rail and moves in the door opening direction, the driving force is transmitted to the opposite door by the rope 17 to perform the door opening / closing operation. At this time, since the distance between the upper rail and the lower rail is larger than the diameter of the rolling portion 14A and smaller than the diameter of the flange portion 14B, the roller 14 is guided by the upper rail and the lower rail so that the roller 14 moves from the lower rail. Prevent it from leaving.

The elevator hall door device of this embodiment is
Since the roller 14 for suspending the door 12 is sandwiched from the upper and lower sides by a profiled material having a C-shaped cross section, the roller 14 is guided by the door rail 10A in which the upper rail and the lower rail are integrated. Since the thrust roller 15 is not required, the size can be reduced, and the adjustment of the gap between the roller 14 and the door rail 10A is not required, so that the number of assembling steps can be reduced. Further, since the members of the interlocking mechanism and the locking mechanism are assembled based on the rail surface of the door rail 10A, the assembling accuracy is improved, and the adjustment at the assembling stage becomes unnecessary, so that the assembling man-hour can be reduced. Also, the door rail 10
Since the mounting plate 28 in which the locking latch 27 is screwed into the hole 31 provided in A is inserted into the hole 31 at the tip of the bolt 30 for mounting to the door rail 10A, the mounting position can be easily adjusted and the displacement can be prevented. It can be prevented. Further, since the up thrust roller 15 shown in FIG. 9 is not necessary, the hanger case 8A is downsized, and the hanger case 8A main body can be carried in from the landing side and directly fixed to the three-way frame upper frame 6, so that the installation can be performed. Can be greatly simplified.

Example 2. Next, an embodiment of another aspect of the elevator hall door device of the present invention will be described. Figure 5
7 is a view showing an embodiment of the elevator hall door device of the present invention, FIG. 5 is a front view of the elevator hall door device on the hoistway side, FIG. 6 is an enlarged view taken along the line VI-VI in FIG. Figure 5
7 is an enlarged view taken along the line VII-VII of FIG. 1, and the same reference numerals as those in FIG. In the figure, 10B is an upper rail which is attached by screws 33 over the entire length of the hanger case 8B, and 10C is a lower rail which is attached by screws 23 over the entire length of the hanger case 8B in parallel with the upper rail.
And the lower rail 10C form a pair of upper and lower guide rails. In addition, the upper rail 10B and the lower rail 10
The interval of C is set to be larger than the diameter of the rolling portion 14A and smaller than the diameter of the flange portion 14B to prevent the roller 14 from coming off the lower rail 10C. Further, the hanger case 8B is bent downward to the landing side, and is screwed directly to the three-way frame upper frame 6 at this position, and the height of the hanger case 8A is three-way frame above the lower end of the upper opening of the hoistway 1. It is configured to be smaller than the size up to the frame 6, and can be carried in from the hall side and fixed to the three-way frame upper frame 6. Further, as shown in FIG. 7, a pulley 18 around which the rope 17 is wound is pivotally supported by a mounting plate 24, and the mounting plate 24 is further fastened by a port 26 to a fixed plate 25 having a screw hole formed therein. The lower rail 10C is fixed by sandwiching the end surface of the lower rail 10C with the fixing plate 25. Since the upper rail 10B and the upper rail shown in FIG. 2 do not need to suspend the weight of the door, the lower rail 10C and FIG.
It is set smaller than the lower rail shown in, and the door hanger 8
B and the door hanger 8A shown in FIG. 2 are provided using the empty space above.

The elevator hall door device of this embodiment is
The roller 14 by the upper rail 10B and the lower rail 10C.
Since the up thrust roller 15 shown in FIG. 9 is unnecessary, the size can be reduced and the upper rail 10B can be attached and detached by the screw 33 that is screwed to the hanger case 8B. Work becomes easy. Also, the upper rail 10B and the lower rail 1
Since the members of the interlocking mechanism and the locking mechanism can be assembled to the mounting plate 24 fixed on the basis of 0C, the assembling accuracy is improved, and the adjustment at the assembling stage becomes unnecessary, and the assembling man-hour can be reduced. Further, since the up-thrust roller 15 shown in FIG. 9 is unnecessary, the hanger case 8B is downsized, and the main body of the hanger case 8B is carried in from the landing side, and the three-sided frame upper frame 6
Since it is configured so that it can be directly fixed to, the installation can be greatly simplified.

[0026]

As described above, according to the present invention, the elevator landing door device is provided with a pair of upper and lower guide rails disposed substantially parallel to the upper frame on the hoistway side standing surface of the hanger case, and the landing doorway. A door hanger fixed upright on the upper and lower sides of a plurality of doors to be opened and closed, and a rolling part that is sandwiched between a pair of upper and lower guide rails and rolls on the rolling surface of the guide rail, and protrudes in the outer diameter direction. Rollers are provided on both sides of the rolling parts, and rollers are rotatably supported on the surface of the door hanger facing the hanger case. Larger than the diameter of the part,
And if it is configured to be smaller than the diameter of the flange portion,
Since a pair of upper and lower guide rails guide the roller from above and below, the roller does not separate from the rail without providing an up thrust roller, so the up thrust roller can be omitted, the number of parts can be reduced, and the hanger case and door There is an effect that it is possible to provide an elevator hall door device that can downsize a hanger.

Further, according to the following invention, in the elevator hall door device, when the upper and lower guide rails are formed by the upper rail and the lower rail detachably attached to the hanger case individually, Since the members such as the rollers can be replaced by removing the roller, it is possible to provide an elevator hall door device that is easy to maintain.

According to the next invention, in the elevator hall door device, a pair of upper and lower guide rails are mounted on the hoistway side elevation surface of the hanger case substantially parallel to the upper frame.
If it is a deformed material having a character-shaped predetermined length and is formed by the C-shaped open end of the deformed material, the pair of upper and lower guide rails become an integral body, and it is not necessary to adjust the interval between the upper and lower rails. Therefore, there is an effect that it is possible to provide an elevator hall door device that can reduce the number of assembly steps.

According to the next invention, the elevator hall door device includes an interlocking mechanism for interlocking a plurality of doors for opening and closing the hall entrance and exit, and a locking mechanism for locking the doors in a fully closed state.
A pair of upper and lower guide rails are sandwiched between the hoistway side surfaces and the opposite side surfaces of the guide rails, and a pair of mounting plates are fixed to the rails. At least one of the interlocking mechanism and the locking mechanism is attached to the mounting plates abutting the hoistway side surfaces. By mounting such a member, it becomes possible to mount any member of the interlocking mechanism and the locking mechanism with the rail as a reference, and the assembling accuracy is improved. Therefore, an elevator hall door device that can reduce the number of assembly adjustment steps is provided. There is an effect that can be provided.

Further, according to the following invention, when the elevator guide door device is configured such that the upper and lower guide rails guide the rollers from above and below, it is not necessary to provide an up thrust roller, and the hanger case is used to raise and lower the elevator hall. The height dimension can be made smaller than the distance between the upper end surface of the opening of the road wall and the upper surface of the upper frame, and the hanger case can be fixed to the upper frame from the landing side, which can reduce the number of assembly steps. There is an effect that a door device can be provided.

Further, according to the following invention, the elevator hall door device is mounted on a pair of hoistways on the side surfaces of the hoistway of the C-shaped opening of the profile and the opposite side surfaces of the hoistway door apparatus so as to abut against each other at predetermined positions. Plate and the opposite side mounting plate, and a fastening bolt that inserts the hoistway side mounting plate and is screwed into the opposite side mounting plate and presses and fixes the pair of mounting plates to the side surface of the opening. If the profile is provided with a hole into which the tip of the tightening bolt fits when the plate is fixed in place, the mounting plate can be fixed to the rail based on the hole provided in the profile. It is possible to provide an elevator hall door device capable of easily preventing the shift and preventing the shift.

[Brief description of drawings]

FIG. 1 is a hoistway side front view of an elevator hall door device according to an embodiment of the present invention.

FIG. 2 is an enlarged view taken along the line II-II of FIG.

FIG. 3 is an enlarged view taken along the line III-III of FIG.

FIG. 4 is an enlarged view taken along the line IV-IV of FIG.

FIG. 5 is a hoistway side front view of an elevator hall door device according to a second embodiment of the present invention.

6 is an enlarged view taken along the line VI-VI of FIG.

FIG. 7 is an enlarged view taken along the line VII-VII in FIG.

FIG. 8 is a hoistway side front view of a conventional elevator hall door device.

9 is an enlarged view taken along the line IX-IX in FIG.

[Explanation of symbols]

 1 Hoistway wall 2 Doorway 5 Vertical frame 6 Upper frame 8, 8A, 8B Hanger case 10, 10A Door rail 10B Upper rail 10C Lower rail 12 Door 13 Door hanger 14 Roller 14A Rolling part 14B Flange part 18 Pulley 27 Fixed latch 24, 28 Mounting plate 25, 29 Fixing plate 26, 30 Tightening bolt 31 Hole

Claims (6)

[Claims] 1. A pair of vertical frames provided on both side edges of an elevator hall entrance / exit, an upper frame horizontally installed between upper portions of the vertical frames, and an upright portion fixed to an upper portion of the upper frame. A hanger case, a pair of upper and lower guide rails arranged substantially parallel to the upper frame on the hoistway side elevation surface of the hanger case, and standingly fixed on the upper part of a plurality of doors for opening and closing the landing doorway. A door hanger, a rolling portion that is sandwiched between the pair of upper and lower guide rails and rolls on the rolling surface of the guide rail, and a flange portion that protrudes in the outer radial direction and is circumferentially provided on both sides of the rolling portion. A roller rotatably supported on the surface of the door hanger facing the hanger case, and the gap between the pair of upper and lower guide rails is larger than the diameter of the rolling portion of the roller; The feature is that it is smaller than the diameter of the flange. Elevator hall door device to collect. 2. The pair of upper and lower guide rails are formed by an upper rail and a lower rail that are detachably attached to a hanger case, respectively.
An elevator hall door device according to the paragraph. 3. A pair of upper and lower guide rails is a profile member having a predetermined length and having a C-shaped cross section, which is mounted on a vertical surface of a hanger case on the hoistway side in a substantially parallel manner. The profile member has a C-shape. The elevator landing door device according to claim 1, wherein the elevator landing door device is formed by a circular opening end. 4. An interlocking mechanism for interlocking a plurality of doors for opening and closing a landing entrance / exit, a locking mechanism for locking the doors in a fully closed state, and a pair of upper and lower guide rails sandwiching a hoistway side surface and an opposite side surface thereof. The pair of mounting plates fixed to both rails is provided, and at least one member of the interlocking mechanism and the locking mechanism is mounted on the mounting plate that is in contact with the side surface of the hoistway. Elevator landing door device described in. 5. The elevator hall door device according to claim 1, wherein the height dimension of the hanger case is smaller than the distance between the upper end surface of the opening of the hoistway wall of the elevator hall and the upper surface of the upper frame. . 6. A pair of hoistway-side mounting plates and an opposite side mounting plate that abut against a predetermined position on the hoistway side face and the opposite side face of the C-shaped opening of the profile member, and the hoistway-side mounting plate. And a tightening bolt that is screwed into the mounting plate on the opposite side and is fixed to the side surface of the opening by pressing the pair of mounting plates and fixing the pair of mounting plates at a predetermined position. The elevator landing door apparatus according to claim 3, wherein a hole into which the tip of the tightening bolt is fitted is provided in the profile member.