JPH1171081A - Entrance for elevator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an entrance for an elevator whereby a noise in a hoistway can be cut off by a simple constitution, and increasing of maintenance and inspection can be prevented. SOLUTION: Relating to a lower end of a landing door 1, through a hinge 10, a sound insulating plate 3A is suspension provided. In a door pocket side of this sound insulating plate 3A, a U-shaped lever part 3a is formed, in a door stop side, an L-shaped lever part 3b is formed. In a car side in a lower part of the sound insulating plate 3A, a rubber bar 9 is laterally provided, to be connected to the sound insulating plate 3A. In a surface in a car side of the sound insulating plate 3A, relating to the upward of the rubber bar 9, a plate spring 6 is provided, a vertical attitude of the sound insulating plate 3A to just before door closing is maintained. In a front surface side of a groove in a sill 4, a round head screw 5 is screwed, in a closed condition of the landing door 1, a head part of the round head screw 5 is brought into contact with the lever part 3a, 3b, the rubber bar 9 behind this lever part 3a, 3b is pressed to the groove of the sill 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator doorway.

[0002]

2. Description of the Related Art FIG. 7 is a partial perspective view showing an example of an entrance and exit of a conventional elevator. FIG. 8 is an exploded perspective view of a lower part and a threshold of a left landing door of a double-door type, as viewed from the landing side. 8 is a longitudinal sectional view of FIG.

In FIG. 7 and FIG. 8, a sill 4 installed at the tip of an elevator (not shown) is made of an aluminum material by embossing, and is laid horizontally above a sill 4 on a building wall (not shown). The lower part of the left landing door 1 suspended from the header case is shown.

At the lower end of the landing door 1, a reinforcing plate 1a having an L-shaped cross section is provided laterally by spot welding.
A pair of guide shoes 2 are vertically provided on the back side (car side) of the reinforcing plate 1a via a pair of welding nuts 1b.

[0005] A sound insulating plate 3E is additionally provided on the car side of the guide shoe 2, and is fixed to the guide shoe 2. In the sound insulating plate 3E, an inverted U-shaped notch having an open lower end is formed at a position facing the shoe of the guide shoe 3.

[0006] Among them, a band-shaped felt 13 is joined to the sound insulating plate 3E from the middle part on the car side to the lower part.
The car-side surface of the felt 13 is in contact with the car-side side surface of the groove of the sill 4.

At the entrance of the elevator constructed as described above, the rolling noise generated between the guide rollers of the car and the guide rails of the hoistway, In order to prevent the so-called wind noise generated by the ascent and descent from propagating from the landing to each floor, a felt 13 is attached. By the way, some elevators installed in skyscrapers are getting faster and faster than 200 m / min in order to increase the transportation efficiency of passengers.

[0008]

However, at the entrance and exit of the conventional elevator as shown in FIGS. 7 and 8, the frequency of maintenance and inspection is increased due to wear caused by the contact of the felt 13 with the groove of the sill 4. There must be.

For this reason, it is conceivable to increase the gap between the felt 13 and the side surface of the sill 4 to prevent an increase in the frequency of maintenance and inspection. However, the above-mentioned effect of shielding the noise generated in the hoistway is reduced. It cannot be used especially in high-speed elevators because it is damaged.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an elevator having a simple structure capable of blocking noise propagating from a hoistway to a landing and preventing an increase in the frequency of maintenance and inspection. .

[0011]

According to a first aspect of the present invention, a guide shoe which is loosely fitted in a groove of a sill of a hall is suspended from a lower end of a hall door suspended on the hall so as to be freely opened and closed. At the entrance of the elevator, a sound insulating plate is erected at the lower end of the landing door, a closing device is attached to one side of this sound insulating plate, and when the closing operation of the landing door is completed, it engages with the other surface of the sound insulating plate and this sound insulating plate is engaged. The sill is characterized in that a protrusion is provided on the sill to press the obturator against the side surface of the groove of the sill.

In addition, the doorway of the elevator according to the second aspect of the present invention is characterized in that a bent portion that contacts the convex portion is formed at the door stop side and the lower portion of the door pocket side of the sound insulating plate. The doorway of the elevator according to the invention corresponding to Item 3, is characterized in that a contact piece is provided on the door stop side and the lower part of the door pocket side of the sound insulating plate, the contact piece being in contact with the projection and the angle of the contact surface being adjusted. .

According to a fourth aspect of the present invention, there is provided an elevator having an elevator door provided with a guide shoe which is loosely fitted in a groove of a sill of the hall with respect to a lower end of the hall door suspended on the hall so as to be freely opened and closed. A sound-insulating plate is suspended from the lower end of the landing door, a closing device is attached to one side of the sound-insulating plate, and a permanent magnet is provided on the door stop side of the sound insulating plate. When the operation is completed, a stopper that is locked to the convex portion of the sill and presses the obturator against the side surface of the groove of the sill via the sound insulating plate is loosely fitted to the sill.

The doorway of the elevator according to the fifth aspect of the present invention is provided with a spring member for hanging a sound insulating plate from a landing door via a hinge and pressing the sound insulating plate against the upper side surface of the guide shoe. It is characterized by having.

Further, the invention corresponding to claim 6 is provided at an entrance and exit of an elevator in which a guide shoe which is loosely fitted in a groove of a sill of the hall is vertically provided with respect to a lower end of a hall door suspended on the hall so as to be freely opened and closed. , A sound insulation board is erected at the lower end of the landing door,
A closing member is attached to one surface of the sound insulating plate, and a projection is formed which engages with the other surface of the guide shoe upon completion of the closing operation of the landing door and presses the closing member against the side surface of the groove of the threshold through the guide shoe. It is characterized by being provided in.

According to the first and second aspects of the present invention, the gap formed between the side surface of the groove of the sill and the obturator is formed by the shielding plate pressed by the projection. To block the noise leaking from the hoistway to the landing side. In particular, in the invention corresponding to claim 3, the drive load immediately before the closing operation of the landing door is completed and the degree of closing by the closing tool can be adjusted by the angle of the contact piece.

In the invention corresponding to claim 4, the stopper is moved by the permanent magnet immediately before the closing operation of the landing door is completed, and the stopper is locked by the projection just before the closing operation is completed. The gap between the obstruction tool and the groove of the sill is closed by the obstruction tool via the shielding plate, thereby blocking noise leaking from the hoistway to the landing side.

Further, in the invention corresponding to claim 5, the contact between the shielding plate and the groove of the sill until immediately before the completion of the closing operation and immediately after the opening operation is prevented by the spring. further,
In the invention corresponding to claim 6, the space formed between the side surface of the groove of the sill and the closing device is closed with the closing device via the guide shoe pressed by the convex portion, and the landing side from the hoistway. To shut off noise leaking into the vehicle.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of an entrance and exit of an elevator according to the present invention will be described below with reference to the drawings. FIG. 1 (a)
FIG. 1 is a view showing a first embodiment of an entrance and exit of an elevator according to the present invention, which corresponds to FIG. 7 shown in the related art, and corresponds to claims 1, 2 and 5. Also,
FIG. 1B is an enlarged vertical cross-sectional view of FIG. 1A and corresponds to FIG. 8 shown in the related art.

1 (a) and 1 (b) are different from FIGS. 7 and 8 shown in the prior art in that a noise shielding structure in a sill ditch is used. It is the same as FIG. 7 and FIG.

That is, the upper part of the hinge 10 is fixed to the center part and left and right with respect to the support plate of the guide shoe 2 on the car-side surface of the guide shoe 2 suspended from the lower end of the landing door 1. .

At the lower part of the hinge 10, the upper part of the sound insulating plate 3A is fixed by a bolt (not shown), and at the lower left end of the sound insulating plate 3A, a U-shaped lever portion 3a is formed.
Is formed, and a lever portion 3b formed in an L-shape is formed at the lower right end of the sound insulating plate 3A.

The levers 3a and 3b are loosely fitted in grooves formed in the sill 4, and the right lever 3b is formed.
As shown in FIG. 1 (b), the lower end of the lever is slightly loosely fitted to the upper end of the groove, and the lower end of the left lever portion 3a is loosely fitted to the center of the groove.

Further, a bottom surface of a rubber rod 9 having a semicircular cross section and made of a hard rubber material is joined to the car-side surface of the lower end of the sound insulating plate 3A. On the other hand, a round head screw 5 is screwed into the upper part of the center of the groove 4 on the landing side of the groove, and a round head screw 5 is screwed on the left end of the side of the groove on the landing side. Is screwed.

FIG. 1 (a) shows a state in which the landing door 1 on the left side of the double-door double landing door is immediately before the closing operation is completed.
The lever portions 3a and 3b of the sound insulating plate 3A further move rightward, and as shown in FIG.
At the position where both 3b are in contact with the head of the round screw 5, the landing door is closed.

Further, on the car side surface at the lower end of the landing door 1, upper parts of a pair of leaf springs 6 are attached via welding nuts (not shown), and the lower parts of these leaf springs 6 are sound insulating plates 3A.
Contacting the car side surface. As a result, the sound insulating plate 3A of the landing door 1 maintains the vertical state by the pressing force of the leaf spring 6 until immediately before the closing operation is completed.

At the entrance of the elevator constructed as described above, when the landing door is driven to a position just before the closing operation is completed, the lever portions 3a, 3b formed on both sides of the sound insulating plate 3A are formed.
The landing-side surface of 3b comes into contact with the head of the round screw 5 screwed into the landing-side surface of the groove of the threshold 4.

Then, the left and right lever portions 3a and 3b are pushed to the car side in FIG.
As a result, in a state where the sound insulating plate 3A is supported by the hinge 10 at the upper end, the sound insulating plate 3A swings toward the car around the center axis of the hinge 10, and the sound insulating plate 3A
Of the rubber rod 9 joined to the back of the sill 4 is pressed against the car-side surface of the groove of the sill 4. Therefore, it is possible to prevent the noise of the hoistway, which is generated when the car is lifted or lowered, from entering the hall.

In the above embodiment, the lever 3
The left and right ends of the ends a and 3b may be slightly bent rearward to form an arc, so that the contact and sliding with the head of the round screw 5 immediately before the closing operation of the landing door is completed may be smooth. Furthermore, a rubber rod 9
Is hard rubber, but may be urethane foam rubber.

Next, FIG. 2 is a partial perspective view showing a second embodiment of an entrance and exit of an elevator according to the present invention.
And the sound insulation plate 3A shown in the first embodiment described above.
FIG. 4 is a partially enlarged perspective view corresponding to FIG.

In FIG. 2, the point different from the sound insulating plate 3A shown in FIGS. 1A and 1B is that the portion in contact with the round screw 5 can be adjusted. That is, the lower part of the left and right ends is simply bent 90 ° toward the landing side.
A pair of female screw holes are formed in each of the bent portions 3c and 3d of B in a plan view (not shown).

An L-shaped contact piece 11 is placed on the upper surface of each of the bent portions 3c and 3d. These contact pieces 11 are formed with arc-shaped grooves that are curved inward in portions that are formed in the bent portions 3c and 3d and that face the screw holes.

As shown in FIG. 2, each contact piece 11 is fixed by a bolt screwed from an arc-shaped groove into a female screw hole of a bent portion with its front surface slightly inclined to the left (see FIG. 2).
Indicates the direction of a contact piece 11 attached to a sound insulation plate incorporated in a right-side landing door (not shown) opposite to the landing door 1 shown in FIG. 1A, and the contact piece 11 of the left-side landing door is inclined. The direction is reversed).

At the entrance of the elevator in which the contact piece 11 is incorporated, at the time of installation, the mounting angle of the contact piece 11 is adjusted and tightened at an angle that minimizes noise leaking from the sill.

Next, FIG. 3 is a partial perspective view showing a third embodiment of an entrance and exit of an elevator according to the present invention, which corresponds to claim 4 and corresponds to FIGS. 1 and 2 shown in the above embodiment. FIG.

FIG. 3 differs from FIGS. 1 and 2 shown in the above-described embodiment in the sound insulating plate and the drive structure of the sound insulating plate. That is, at the right end of the sound insulation plate 3C,
An L-shaped bent portion 3f is formed, and a permanent magnet 12 is fixed to the right end face of the bent portion 3f. Sound insulation board 3C
On the left and right sides, the right side of the engaging piece 3e formed in a mountain shape is fixed by spot welding.

On the other hand, a stopper 7 is loosely fitted in the groove of the threshold 4. The stopper 7 has a bent portion 7a formed on the right end thereof, and the left side of the engaging piece 7b bent in a mountain shape is spot-welded to the left car side of the bent portion 7a.

On the left side of the stopper 7, engaging pieces 7b and 7c bent in a mountain shape are continuously spot-welded,
At the left end of the stopper 7, a stopper portion 7d bent from the upper side to the landing side is formed.

On the other hand, a stopper 8 is fixed on the upper surface of the sill 4 at a position described later with reference to FIG. The operation of the entrance of the elevator incorporating the sound insulating plate and the stopper configured as described above will be described with reference to FIGS. 4 (a) and 4 (b).

FIG. 3 shows a state where the left landing door is just before the closing operation is completed, and the partial cross-sectional view shown in FIG. 4 (a) shows a state from when the landing door is opened to immediately before the closing operation is completed. Also,
FIG. 4B shows the relationship between the stopper 7 and the sound insulating plate 3C in a state where the landing door has completed the closing operation.

As shown in FIG. 4A, during the closing operation of the landing door, the bent portion 7a on the right end of the stopper 7 comes into contact with the bent portion 3f on the right end of the sound insulating plate 3C by the magnetic force of the permanent magnet 12. As a result, the stopper 7 moves rightward inside the groove of the threshold 4 together with the landing door that closes as shown by the arrow B in FIG.

When the landing door moves to a position immediately before the closing operation is completed, the right end face of the stopper portion 7d formed at the left end of the stopper 7 comes into contact with the stopper 8 fixed to the threshold 4, and the movement of the stopper 7 is prevented. 4B, the right end of the stopper 7 is separated from the bent portion 3f.

Then, as shown in FIG. 4 (b), the sound insulating plate 3C is pushed toward the car by the base of the bent portion 7d at the right end of the stopper 7 and the engaging piece 3e pushed by the left engaging piece 7b. The rubber rod 9 contacts the inner surface of the groove of the sill 4.

Therefore, even in the elevator landing thus constructed, the closing operation of the landing door is completed,
The sound insulating plate is driven, and the rubber rod 9 attached to the sound insulating plate is driven.
By blocking the gap between the sill 4 and the sound insulating plate 3C, noise radiating from the hoistway to the landing side can be prevented.

Next, FIG. 5 is a partial perspective view showing a fourth embodiment of an elevator hall according to the present invention, which corresponds to claim 6 and is shown in FIG. 1 (a) and FIG. 3 and FIG. 6 is a partial longitudinal sectional view of FIG.
It is a figure corresponding to (b).

FIGS. 5 and 6 are different from FIGS. 1 (a) and 3 shown in the above-described embodiment in that the sound insulating plate is fixed to the landing door together with the guide shoes, and Means that the round screw 5 is screwed from the inside.

That is, when the landing door 1 moves to the position where the closing operation is completed, the landing-side surface of the guide shoe 2 comes into contact with the round screw 5, and as a result, the landing door 1 is moved to the car side via the guide shoe 2. When pressed, the rubber rod 9 joined to the car at the lower end of the sound insulating plate 3D is pressed against the side surface of the groove of the sill 4. In this case, there is an advantage that the configuration can be simplified.

[0048]

As described above, according to the first aspect of the present invention, the guide shoe which is loosely fitted in the groove of the threshold of the hall is suspended from the lower end of the hall door suspended on the hall so that it can be opened and closed freely. At the entrance of the elevator, a sound insulating plate is erected at the lower end of the landing door, a closing device is attached to one side of this sound insulating plate, and when the closing operation of the landing door is completed, it engages with the other surface of the sound insulating plate and this sound insulating plate is engaged. By providing a protrusion on the sill that presses the obturator against the side surface of the groove of the sill, a gap formed between the side surface of the groove of the sill and the obturator through a shielding plate pressed by the convex portion The noise that leaks from the hoistway to the landing side was blocked by closing with the obturator, so the noise of the hoistway can be cut off with a simple configuration.
It is possible to obtain an entrance to an elevator that can prevent an increase in the frequency of maintenance and inspection.

According to the third aspect of the present invention, a contact piece which is in contact with the convex portion and whose angle of the contact surface is adjusted is provided on the door stop side and the lower part of the door pocket side of the sound insulating plate. Since the drive load immediately before the closing operation of the landing door and the degree of blockage by the blocker can be adjusted by the angle of the contact piece, the noise of the hoistway can be cut off with a simple configuration,
It is possible to obtain an elevator entrance which can prevent an increase in the frequency of inspection.

Further, according to the invention corresponding to claim 4,
At the entrance and exit of the elevator where the guide shoe that fits loosely into the groove of the sill of the hall is suspended from the lower end of the hall door suspended on the hall so that it can be opened and closed freely, a sound insulation plate is erected at the lower end of the hall door. A closing device is attached to one side of the sound insulating plate, and a permanent magnet is provided on the door stop side of the sound insulating plate. By loosely fitting the stopper that presses the obturator to the side of the groove of the sill through the sill, until the landing door is just before the closing operation is completed,
The stopper is moved by the permanent magnet, and immediately before the closing operation is completed, the stopper between the stopper and the protrusion is used to close the gap between the closing tool and the groove of the sill. Since the noise leaking from the road to the landing has been cut off, the noise of the hoistway can be cut off with a simple configuration,
It is possible to obtain an entrance to an elevator that can prevent an increase in the frequency of maintenance and inspection.

According to the invention corresponding to claim 5, the sound insulating plate is suspended from the landing door via a hinge, and a spring is provided to press the sound insulating plate against the upper side surface of the guide shoe. Since the contact between the shielding plate and the groove of the sill until immediately before the closing operation and immediately after the opening operation was prevented by the spring device,
With a simple configuration, the noise of the hoistway can be cut off, and an entrance to the elevator that can prevent an increase in the frequency of maintenance and inspection can be obtained.

Furthermore, according to the invention corresponding to claim 6, the elevator is provided with a guide shoe which is vertically installed at the lower end of the landing door suspended on the landing so as to be freely openable and closable. At the entrance, a sound insulating plate is vertically provided at the lower end of the landing door, and a closing device is attached to one surface of the sound insulating plate. By providing the sill with a convex portion that presses the obturator on the side surface of the groove of the sill, the gap formed between the side surface of the groove of the sill and the obturator is closed via the guide shoe pressed by the convex portion. To prevent noise leaking from the hoistway to the landing side, so that the noise of the hoistway can be cut off with a simple configuration, and an elevator entrance that can prevent an increase in the frequency of maintenance and inspection is obtained. be able to.

[Brief description of the drawings]

FIG. 1 is a view showing a first embodiment of an entrance and exit of an elevator according to the present invention, wherein (a) is a partially exploded perspective view, and (b) is (a).
FIG.

FIG. 2 is a partial perspective view showing a second embodiment of an entrance and exit of an elevator according to the present invention.

FIG. 3 is a partially exploded perspective view showing a third embodiment of an entrance and exit of an elevator according to the present invention.

FIGS. 4A and 4B are partial cross-sectional views showing the operation of a third embodiment of an entrance and exit of an elevator according to the present invention, wherein FIG. 4A shows a state in which a landing door is being opened and closed, and FIG. FIG.

FIG. 5 is a partially exploded perspective view showing a fourth embodiment of an entrance and exit of an elevator according to the present invention.

FIG. 6 is a longitudinal sectional view of FIG.

FIG. 7 is a partially exploded perspective view showing an example of an entrance and exit of a conventional elevator.

FIG. 8 is a longitudinal sectional view of FIG. 7;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Landing door, 2 ... Guide shoe, 3A, 3B, 3C ... Sound insulation plate, 3a, 3b ... Lever part, 4 ... Sill, 5 ... Pan head screw, 6 ... Leaf spring, 7, 8 ... Stopper, 9 ... Rubber Stick, 10 ...
Hinges, 11 contact pieces, 12 permanent magnets.

Claims (6)

[Claims] 1. A sound insulating plate is provided at a lower end of a landing door at a doorway of an elevator having a guide shoe loosely fitted in a groove of a landing threshold with respect to a lower end of a landing door suspended on a landing so as to be freely opened and closed. And a closing device is attached to one surface of the sound insulating plate, and when the closing operation of the landing door is completed, the closing device is engaged with the other surface of the sound insulating plate, and the closing device is inserted into the groove of the sill through the sound insulating plate. An elevator entrance and exit, wherein a convex portion is provided on the sill to press against a side surface of the elevator. 2. The doorway of an elevator according to claim 1, wherein a bent portion is formed at a lower portion of the sound insulating plate on a door stop side and a door pocket side to be in contact with the convex portion. 3. The contact piece according to claim 1, wherein a contact piece that is in contact with the projection and that adjusts the angle of the contact surface is provided at a lower portion of the sound insulating plate on a door stop side and a door pocket side. Elevator doorway. 4. A sound insulating plate is provided at a lower end of the landing door at a doorway of an elevator in which a guide shoe loosely fitted in a groove of a landing sill is suspended from a lower end of the landing door suspended on the landing so as to be freely opened and closed. And a closure is attached to one side of the sound insulating plate, a permanent magnet is provided on the door stop side of the sound insulating plate, and the front end of the permanent magnet is opposed to the permanent magnet. An entrance / exit for an elevator, wherein a stopper is loosely fitted to the sill, the stopper being fixed to a convex portion and pressing the obturator against the side surface of the groove of the sill via the sound insulating plate. 5. The sound insulation plate is suspended from the landing door via a hinge, and a spring is provided to press the sound insulation plate against the upper side surface of the guide shoe. Item 5. An elevator doorway according to any one of Items 4. 6. A sound insulation plate is provided at a lower end of the landing door at an entrance of an elevator in which a guide shoe loosely fitted in a groove of a landing sill is suspended from a lower end of the landing door suspended on the landing so as to be freely opened and closed. A closing member is attached to one surface of the sound insulating plate, and when the closing operation of the landing door is completed, the closing member is engaged with the other surface of the guide shoe, and the closing member is inserted into the groove of the sill via the guide shoe. An elevator entrance and exit, wherein a convex portion is provided on the sill to press against a side surface of the elevator.