JPH06345367A - Simplified elevator for second floor - Google Patents

Abstract

PURPOSE:To provide an elevator capable of markedly reducing a cost of setting up with no necessity for a door device and a controller thereof for opening/ closing an on/off getting opening in each floor by eliminating necessity for space of lifting a balance weight behind a car. CONSTITUTION:A motor M and a hoist shaft 1 connected to this motor are mounted on an upper part of elevator lifting space S. Drums 2 are secured to both sides of the hoist shaft 1, and wire ropes 3 are linked around these drums. A car 4 is stopped to one end of the wire rope 3, and an opening/closing door 5 of concurrently serving as a balance weight is stopped to the other end. The opening/closing door 5 is arranged so as to close an on-off getting opening of the second floor, when the car 4 is placed in a stop position of the first floor, and an on/off getting opening of the first floor when the car 4 is placed in a stop position of the second floor. The opening/closing door 5 is constituted of a door main unit 10 and a lift door 11, and the lift door 11 is liftably supported in a prescribed range relating to the door main unit 10, to improve safety.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a simple elevator for a two-story building such as a private house.

[0002]

2. Description of the Related Art Conventionally, as a simple type elevator, for example, one disclosed in Japanese Patent Laid-Open No. 4-12067 is known. Such a conventional elevator is of a type in which a wire rope is wound around an upper drive device, a car is hung at one end side thereof, and a counterweight is hung at the other end side thereof. The counterweight is hung in the space behind the car, and the doors that open and close the openings for getting on and off each floor are controlled separately from the drive of the car.

[0003]

In the above conventional elevator, a space for raising and lowering the counterweight is required at the rear of the car, which is a great obstacle to application to a small house. Further, there is a drawback that the door device for opening and closing the entrance for getting on and off each floor and the control device for controlling the door device are relatively expensive.

Therefore, the present invention does not require a space for the counterweight to go up and down behind the car, and is suitable for application to a small house. Further, the door device for opening and closing the entry / exit opening on each floor and its control device. It is an object of the present invention to provide an elevator that does not require the installation and can significantly reduce the installation cost.

[0005]

In the present invention, in order to solve the above-mentioned problems, a motor M is attached to the upper part of the elevator hoisting space S, and a hoisting shaft 1 connected to the motor M is installed. A pair of drums 2 are fixed on both sides of the wire 1, a wire rope 3 is hung around the drum 2, a car 4 is locked at one end of the wire rope 3, and an opening / closing door also serving as a counterweight is attached to the other end of the wire rope 3. This opening / closing door 5 closes the opening / closing opening E2 on the second floor when the car 4 is at the predetermined stop position on the first floor, and when the car 4 is at the predetermined stop position on the second floor. Opening E for getting on and off the floor
1 was arranged so as to be closed, and a simple elevator for the second floor was constructed.

Further, in order to enhance the safety of the opening / closing door 5, it is composed of a door body 10 and a lifting door 11, and the lifting door 11
Is supported so that it can be raised and lowered within a predetermined range with respect to the door body 10.

[0007]

In the simple elevator for the second floor of the present invention, the wire rope 3 is wound up by the motor M to raise and lower the car 4 and the opening / closing door 5. When the car 4 is in the predetermined stop position on the first floor, the opening / closing door 5 is in a position to close the entry / exit opening E2 on the second floor, and when the car 4 is in the predetermined stop position on the second floor, the opening / closing door 5 is closed. It is in a position to close the entry / exit opening E1 on the floor. The opening / closing door 5 also serves as a counterweight, and no special space is provided for the counterweight to move up and down.

When the opening / closing door 5 is composed of a door body 10 and an elevating door 11, and the elevating door 11 is supported to be movable up and down within a predetermined range with respect to the door body 10, the opening / closing door 5 opens and closes. E
Even when an obstacle such as a part of the body is inside the openings E1 and E2 for getting on and off when descending through the openings to close the doors 1 and E2, the lift door 11 comes into contact with the obstacles and the door main body. Climbing with respect to 10 avoids clogging of obstacles.

[0009]

An embodiment of the present invention will be described with reference to the drawings. 1 is a perspective view of the elevator, FIG. 2 is a side view of the elevator, FIG. 3 is a front view of the elevator, and FIG. 4 is in FIG.
IV-IV sectional view, FIG. 5 is a side view of an elevator safety device,
FIG. 6 is a control circuit diagram of the elevator.

In FIGS. 1 to 4, S is an elevator elevator space provided in a building, F1 is a floor of the first floor, and F2 is
Is the floor of the second floor, E1 is the opening for getting on and off the first floor, and E2 is the opening for getting on and off the second floor.

A motor M is fixed to the upper part of the ascending / descending space S, and a winding shaft 1 connected to the motor is installed. A pair of drums 2 are fixed to both sides of the winding shaft 1. A wire rope 3 is wound around the drum 2. A car 4 is locked to one end of the wire rope 3, and an opening / closing door 5 also serving as a counterweight is locked to the other end.

The car 4 is provided with a double door 6 at the front opening and rollers 9 at the upper and lower front sides. Door 6
Is urged by a spring to always close the opening so that a person can push it to open it when getting on and off.

A pair of door guide rails 7 are attached to the front left and right sides of the elevating space S so as to extend in the vertical direction, and a roller guide rail 8 is provided at the rear of the pair so that the roller guide rails 8 extend in the vertical direction. Installed. The door guide rails 7 receive the open / close doors 5 in the grooves 7a facing each other so as to be movable up and down. The roller guide rail 8 is provided in the groove 8a,
It receives the roller 9 of the car 4.

The opening / closing door 5 closes the opening / closing door E2 on the second floor (state of FIGS. 1 to 4) when the car 4 is at a predetermined stop position corresponding to the opening / closing opening E1 on the first floor, and The car 4 is arranged in such a relative position as to close the first floor entry / exit opening E1 when it is at a predetermined stop position corresponding to the second floor entry / exit opening E2. The opening / closing door 5 includes a door body 10 and
The main body 10 is provided with an elevating door 11 which is supported so as to be vertically movable within a predetermined range. The door main body 10 is a hollow flat box body that opens downward, and receives the elevating door 11 so as to be able to move up and down. When the elevating door 11 is in a lowered state, the door openings E1 and E2 are closed. ing. The lift door 5
In the closed state, if there are obstacles in the entry / exit openings E1 and E2, they are pushed up by the obstacles and stored in the door body 10,
It does not damage the obstacles. Reference numeral 18 denotes a safety fence, which is provided so as to be able to move up and down below the opening E1 for getting on and off the first floor. That is, the safety fence 18 is fitted in the groove 7a of the guide rail 7 on both sides so as to be able to move up and down, and is urged upward by a spring 19 provided below the safety fence 18 so as to always project below the opening E1. ing. Further, the safety fence 18 includes a push-down plate 18a extending rearward to a position where it can contact the bottom plate of the car 4. Therefore, basket 4
When it comes down to the first floor, it is pushed down by its bottom plate to completely open the opening E1 and rises as the car 4 rises to the second floor. When the car 4 is not on the first floor, the lower part of the opening E1 is opened. It is designed to prevent the entrance into the opening E1 by traversing.

Reference numeral 12 is a safety device which operates when the wire rope 3 suspending the car 4 is cut and prevents the car 4 from falling. That is, the safety device 12
As shown in FIG. 5, the car 4 is provided with a substantially triangular rotating member 14 pivotally attached by a pin 13, a braking magnet material 15 is attached to a lower end side of the rotating member 14, and a wire rope is attached to an upper end side thereof. 3 is locked by a pin 17. Rotating member 14
In the figure, the stopper 16 prevents rotation in the counterclockwise direction by a predetermined angle or more. Further, a moment in the counterclockwise direction acts on the rotating member 14 due to the weight of the car 4 at all times, and the braking magnet material 15 is arranged at the standby position. However, when the wire rope 3 is cut, as shown by an imaginary line. Further, the braking magnet material 15 is attracted to the rail 8 to perform friction braking.

The operation of the elevator of this embodiment will be described with reference to the control circuit diagram shown in FIG. In FIG. 6, the basket 4
When the vehicle arrives on the first floor, the magnetic sensor 22 detects the magnetic field of the permanent magnet 21 attached to the side surface of the car 4, and the relay 23
Is operated to open the contact 24. As a result, the circuit of the motor M rotating in the down direction is opened, and the motor M is stopped. At the same time, the self-holding contact 25 is closed on the right side in the figure. In this state, when the push button switch 26 installed in the car 4 is pushed, the solenoid 27 is excited, the magnetic sensor 28 and the relay 29 are operated, and the contact 25 is closed to the left side and held. As a result, the circuit for the upward rotation of the motor M is closed, and the car 4 moves upstairs.

The downward movement from the second floor to the first floor is performed by the permanent magnet 2
1, the magnetic sensor 32, the relay 33, the contact 34, the self-holding contact 35, the push button switch 26, the magnetic sensor 38, and the relay 39 perform the same operation. Reference numeral 30 is a call switch installed on the first floor, and 40 is a call switch installed on the second floor.
Energize 7 and raise or lower car 4 to call each floor. The calling circuit is configured only when the car 4 is stopped on the first floor or the second floor. Reference numerals 31 and 41 are operation indicating lights.

[0018]

As described above, in the present invention, the motor M is attached to the upper part of the elevator hoisting space S, and
A winding shaft 1 connected to a motor M is erected, a pair of drums 2 are fixed to both sides of the winding shaft 1, a wire rope 3 is wound around the drum 2, and a car 4 is attached to one end of the wire rope 3. Stop and lock the opening / closing door 5 also serving as a counterweight on the other end of the wire rope 3, and this opening / closing door 5 closes the entry / exit opening E2 on the second floor when the car 4 is at the predetermined stop position on the first floor. Also, since the second floor simple elevator is configured by arranging to close the first floor entry / exit opening E1 when the car 4 is at the predetermined stop position on the second floor, a space for the counterweight to go up and down behind the car. Without needing
It is suitable for application to a small house, and does not require a door device for opening and closing the entrance for getting on and off each floor and its control device, and has an effect that the installation cost can be significantly reduced. Further, the opening / closing door 5 is composed of a door body 10 and a lifting door 11,
When the lift door 11 is supported so as to be able to move up and down with respect to the door body 10 within a predetermined range, an obstacle such as a part of the body may enter into the entry / exit openings E1 and E2 when the opening / closing door 5 is lowered. Even if there is, the lift door 11 contacts this obstacle and the door body 1
By increasing the value with respect to 0, it is possible to prevent the obstacle from being caught in the vehicle, so that the safety is improved.

[Brief description of drawings]

FIG. 1 is a perspective view of an elevator.

FIG. 2 is a side view of the elevator.

FIG. 3 is a front view of the elevator.

FIG. 4 is a sectional view taken along line IV-IV in FIG.

FIG. 5 is a side view of an elevator safety device.

FIG. 6 is a control circuit diagram of an elevator.

[Explanation of symbols]

 S Lifting space M Motor 1 Winding shaft 2 Drum 3 Wire rope 4 Car 5 Opening door 10 Door body 11 Lifting door S Lifting space M Motor E1 Boarding opening E2 Boarding opening

Claims (2)

[Claims] 1. A motor installed in an upper part of an elevator lifting space provided in a two-story building, a winding shaft connected to the motor and installed in an upper part of the elevator lifting space, and both sides of the winding shaft. A pair of drums that are fixed to each other, a wire rope that is wound around this drum, and a car that is locked at one end of this wire rope, and when this car is in the predetermined stop position on the first floor An opening / closing door also serving as a counterweight, which is locked to the other end of the wire rope, is provided so as to close the opening and also to close the opening / closing opening on the first floor when the car is at the predetermined stop position on the second floor. The characteristic simple elevator for the second floor. 2. The second floor simplified elevator according to claim 1, wherein the opening / closing door includes a door body and an elevating door supported by the body so as to be vertically movable within a predetermined range.