JP2003040568A - Elevator system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an elevator system capable of preventing deformation of a door or deformation of a leg of a door due to impact applied to a landing door or a car door by mistake, and reducing failure by opening/closing trouble of the door. SOLUTION: In this elevator system, a car threshold 5 of an elevator or a landing side threshold 17 is moved to impact from the external. For reducing impact from the external to the car and the landing door, a tension device part comprising a rubber packing 6 between the car threshold 5 and a car floor 12, a tension bolt 10 connected to the car threshold 5 through the car floor 12 and the rubber packing 6, a shock absorbing spring 7, a stopper flat washer 8, and a lock nut 9 is disposed on the threshold side of the car. On the threshold side of a landing, rubber packings 15 and 16 are disposed to face each other between the landing threshold 17 and a threshold guide 14.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator apparatus, and more particularly, to a door of a landing hall, a shock buffer type car sill for cushioning a momentary shock applied to a car door, and an elevator apparatus having a landing sill. Is.

[0002]

2. Description of the Related Art FIG. 6 is a diagram showing an example of a structure around a door and a sill of a conventional elevator apparatus. In the figure, 1 is a leg of a door, 2 is a door of a car, 3 is a door of a landing, 4 is a bolt for mounting the foot of a door, 5 is a sill of a car, 11 is a car floor tile, 12 is a car floor, and 13 is a car. Of the front, 17 is the threshold of the hall, 1
Reference numeral 8 indicates a front drop of the hall, and 19 indicates a floor tile of the hall.

Next, the operation will be described. When the elevator is opened or closed, the car door 2 passes through the door leg 1 and the car sill 5
Slide to open and close. The door 3 of the landing also slides and opens and closes the sill 17 of the landing via the leg 1 of the door. Here, the problem when the user hits the dolly or the like against the door will be described by taking the car side as an example. Since the car sill 5 is fixed, the impact of the collision is transmitted to the car door 2 via the door leg 1. The impact force appears as a deformation of the mounting portion of the door leg 1 that is weak in strength or the entire door 2 of the car, and a twisting force is applied to the entire door, which causes a problem that the door becomes difficult to open and close.

[0004]

Since the conventional elevator apparatus is constructed as described above and the sill of the hall and the sill of the car are fixed, the impact applied to the door of the hall and the door of the car by mistake. Therefore, there is a problem that the door or the leg of the door is deformed.

The present invention has been made in order to solve such a conventional problem, and a fixed threshold has a function of absorbing a shock so that it can be used as a door of a hall or a door of a car. An object of the present invention is to provide an elevator apparatus capable of preventing the deformation of the door or the legs of the door due to the impact applied by mistake and reducing the failure due to the opening / closing failure of the door.

[0006]

An elevator apparatus according to the invention of claim 1 is an elevator apparatus in which at least one of a sill of a car and a landing of an elevator is moved in response to an external impact. The cushioning means is provided on the sill and absorbs an external impact to the car and the door of the hall.

The elevator apparatus according to the invention of claim 2 is
In the invention of claim 1, the cushioning means provided on the sill of the car is a rubber packing provided between the sill of the car and the floor of the car, and the floor of the car and the rubber packing are provided on the sill via the packing. And a tensioning device section connected thereto.

An elevator apparatus according to the invention of claim 3 is
In the invention of claim 2, when the car door receives an impact from the inside of the car, the car sill moves in the landing direction by the gap of the tension device portion while extending the rubber packing, and the car When the door is impacted by the landing side, it moves while compressing the rubber packing toward the car.

An elevator apparatus according to a fourth aspect of the invention is
In the invention of claim 2 or 3, the tension device portion is
Consists of a tension bolt screwed to the sill of the car through the floor of the car and rubber packing, a buffer spring, a stopper flat washer and a lock nut that are sequentially attached to the tension bolt on the floor side of the car. It is a thing.

An elevator system according to the invention of claim 5 is
In the invention of claim 1, the buffer means provided on the sill of the landing is composed of first and second rubber packings provided to face each other between the sill of the landing and the sill guide.

An elevator apparatus according to a sixth aspect of the invention is
In the invention of claim 5, when the door of the landing receives an impact from the inside of the car, the sill of the landing compresses the first rubber packing toward the landing side, and the second sill
Move the rubber packing while stretching it, and when the car door receives an impact from the landing side, press the second rubber packing to the car side and move the first rubber packing while stretching it. To do.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a configuration diagram showing an embodiment of the present invention. In the figure, 1 is a leg of a door, 2
Basket door, 3 landing door, 4 door leg mounting bolts, 5
Sill sill, 6 rubber packing, 7 cushion spring, 8
Is a flat stopper washer, 9 is a lock nut, 10 is a tension bolt, 11 is a car floor tile, 12 is a car floor, 13 is the floor of the car, 14 is a sill guide, 15 is the first rubber packing, 16 is the first 2 is rubber packing, 17 is a threshold of a landing, 18 is a front hanging of a landing, and 19 is a floor tile of the landing.

Here, as shown in FIG. 1, the rubber packing 6 is a tension bolt between the sill 5 of the car and the floor 12 of the car so as to buffer the impact from the inside of the car and the landing side. Tension bolt 10 mounted on the floor side of the car
A buffer spring 7, a stopper flat washer 8 and a lock nut 9 are provided in this order behind. That is, the tension bolt 10
The floor 12 of the car and the rubber floor 6 are made to be screwed to the sill 5 of the car through the floor 12 of the car and the rubber packing 6, and the tension bolt 10, the buffer spring 7, the flat stopper washer 8 and the lock nut 9 are used. It essentially constitutes a tensioning device part which is connected to the car sill 5 via a packing 5.
Then, the tensioning device portion and the rubber packing 6 constitute a cushioning means on the sill side of the car.

The rubber packings 15 and 16 are shown in FIG.
As shown in, between the sill 17 and the sill guide 14 of the landing so as to buffer the impact from the inside of the car and the landing side,
They are provided so as to face each other and form a buffering means on the hall side.

Next, the operation will be described with reference to FIGS. FIG. 2 shows a state where the car door 2 receives an impact from the inside of the car. Now, when the car door 2 receives an impact from the inside of the car, the impact causes the car door 2 and the door legs 1 to be pressed against the sill 5 of the car toward the landing. The sill 5 of the car is stretched out of the rubber packing 6 in the direction of the landing, and the buffer spring 7, the flat stopper washer 8, the stopper flat washer 8,
As much as the gap of the tension device portion composed of the lock nut 9 and the tension bolt 10, that is, as shown in FIG. 2, the tip of the stopper flat washer 8 moves until it abuts on the floor 12 of the car,
It acts as a shock absorber.

FIG. 3 shows a state where the car door 2 receives an impact from the hall side. When the car door 2 receives an impact from the hall side, the impact causes the car door 2 and the door leg 1 to be pressed against the car sill 5 toward the car. The sill 5 of the car moves while compressing and compressing the rubber packing 6 toward the car, and functions to buffer the shock.

FIG. 4 shows a state where the landing door 3 is impacted from the inside of the car. When the landing door 3 receives an impact from the inside of the car, the impact causes the landing door 3 and the door leg 1 to be pressed against the landing sill 17 toward the landing. The landing sill 17 compresses the first rubber packing 15 toward the landing side, and at the same time, the second rubber packing 16
It moves while stretching out and acts as a shock absorber.

FIG. 5 shows a state in which the door 3 at the hall receives a shock from the hall side. Now, when the landing door 3 receives an impact from the landing side, the impact causes the foot 3 of the landing together with the door leg 1 to be pressed against the sill 17 of the landing toward the car. The sill 17 of the landing serves to compress the second rubber packing 16 toward the car side and move the first rubber packing 15 while stretching it so as to buffer the shock.

As described above, in the present embodiment, the sill of the hall and the sill of the car are moved in response to an impact from the outside so that the sill has a function of buffering the impact. It is possible to prevent the deformation of the door or the deformation of the legs of the door due to the impact applied to the door, and reduce the failure due to the opening / closing failure of the door. In addition, depending on the environment of the place where the elevator device is installed, such as the place where the user often hits the dolly against the door, this function is appropriately selected for one or both of the sill of the hall and the sill of the car. It may be held.

[0020]

As described above, according to the invention of claim 1, there is provided an elevator apparatus in which the sill of at least one of the elevator car and the hall is moved in response to an external impact. Since it is provided on the sill and has cushioning means to absorb the external impact on the car and the door of the landing, it prevents the deformation of the door or the leg of the door due to the impact accidentally applied to the door of the landing or the door of the car. However, there is an effect that it is possible to reduce failures due to poor opening and closing of the door.

According to a second aspect of the present invention, the cushioning means provided on the sill of the car includes a rubber packing provided between the sill of the car and the floor of the car, and the floor of the car and the rubber. Since it has a tension device connected to the sill via packing, it prevents deformation of the door or door legs due to an impact applied to the door of the car by mistake, and reduces malfunctions due to poor opening and closing of the door. The effect is that you can.

Further, according to the invention of claim 3, in the car sill, when the car door receives an impact from the inside of the car, the tension of the tension device portion is extended in the landing direction while extending the rubber packing. When the car door moves due to the gap and receives an impact from the landing side, it moves while compressing the rubber packing toward the car side, so the impact accidentally applied to the car door can be reliably absorbed. It is possible to prevent the deformation of the door or the leg of the door and reduce the failure due to the opening and closing failure of the door.

According to a fourth aspect of the present invention, the tensioning device section includes a tension bolt screwed to the sill of the car through the floor of the car and a rubber packing, and a tension bolt on the floor side of the car. A buffer spring sequentially attached to the tension bolt,
Since the stopper flat washer and the lock nut are used, it is possible to prevent the deformation of the door or the legs of the door when a shock is accidentally applied to the door of the car, and it is possible to reduce failures due to poor opening and closing of the door.

According to the invention of claim 5, the cushioning means provided on the sill of the landing is a first and second rubber packing provided so as to face each other between the sill and the sill guide of the landing. Therefore, there is an effect that it is possible to prevent the deformation of the door or the deformation of the leg of the door due to the impact applied to the door of the hall by mistake, and to reduce the failure of the door opening / closing failure.

Further, according to the invention of claim 6, in the threshold of the hall, when the door of the hall receives an impact from the inside of the car, the first rubber packing is compressed toward the hall, and When the second rubber packing is moved while being stretched, and the car door receives an impact from the landing side, the second rubber packing is pressed and retracted toward the car side, and the first rubber packing is moved. Since the vehicle moves while being stretched, there is an effect that the impact accidentally applied to the door of the landing can be reliably absorbed, the deformation of the door of the landing or the deformation of the door leg can be prevented, and the failure of the door opening / closing failure can be reduced.

[Brief description of drawings]

FIG. 1 is a configuration diagram showing an elevator apparatus according to an embodiment of the present invention.

FIG. 2 is a diagram for explaining the operation when the car door of the elevator apparatus according to the embodiment of the present invention receives an impact from the inside of the car.

FIG. 3 is a diagram for explaining the operation when the car door of the elevator apparatus according to the embodiment of the present invention receives an impact from the hall side.

FIG. 4 is a diagram for explaining an operation in the case where the door of the hall of the elevator apparatus according to the embodiment of the present invention receives an impact from the inside of the car.

[Fig. 5] Fig. 5 is a diagram for explaining the operation when the door of the hall of the elevator apparatus according to the embodiment of the present invention receives an impact from the hall side.

[Fig. 6] Fig. 6 is a configuration diagram showing a door and a surrounding area of a sill of a conventional elevator apparatus.

FIG. 7 is a diagram for explaining an operation when a car door in a conventional elevator apparatus receives an impact.

[Explanation of symbols]

1 leg, 2 car doors, 3 landing doors, 5
Cage sill, 6 rubber packing, 7 cushioning spring,
8 Stopper flat washer, 9 Lock nut, 1
0 tension bolts, 12 car floors, 15 and 16 rubber packings, 17 landing sills.

Claims (6)

[Claims] 1. An elevator apparatus in which at least one of an elevator car and a sill of a hall is moved in response to an impact from the outside, the elevator device being provided in the sill and being external to the car and a door of a hall. An elevator apparatus comprising a cushioning means for cushioning the impact of the elevator. 2. The cushioning means provided on the sill of the car is connected to the sill via the rubber packing provided between the sill of the car and the floor of the car, and the floor of the car and the rubber packing. The elevator apparatus according to claim 1, further comprising a tensioning device section. 3. The car sill, when the car door receives an impact from the inside of the car, moves the gap of the tensioning device portion in the landing direction while extending the rubber packing, and thereby the car door. 3. The elevator apparatus according to claim 2, wherein when the vehicle receives an impact from the landing side, the rubber packing moves while compressing and shrinking the rubber packing toward the car side. 4. The tensioning device section includes a tension bolt screwed to a sill of the car through a floor of the car and a rubber packing, and a buffer sequentially attached to the tension bolt on the floor side of the car. 4. A spring, a flat washer stopper, and a lock nut.
Elevator device described. 5. The cushioning means provided on the sill of the landing comprises first and second rubber packings provided to face each other between the sill and the sill guide of the landing. The elevator apparatus according to 1. 6. The sill of the hall, when the door of the hall receives an impact from the inside of the car, compresses the first rubber packing toward the hall and stretches the second rubber packing. When the car door receives an impact from the landing side, the second rubber packing is compressed toward the car side and the first rubber packing is moved while being stretched. The elevator apparatus according to claim 5.