KR960008532Y1 - Elevator foot-flate position selection device - Google Patents

Abstract

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Description

Elevator foot position selector

1 is an internal configuration diagram of a conventional elevator car.

2 is an internal configuration of the present invention elevator car.

3 is a detailed cross-sectional view showing an operating state of part A of FIG.

4 is a plan view of FIG.

5 is a right side view of FIG.

6 is a stepping position selection circuit diagram of an elevator of the present invention.

* Explanation of symbols for main parts of the drawings

6: control panel 7: scaffolding

8: position selector switch 9: hydraulic piston

10, 10a, 10b, 10c: guide stand 11: crank

12: rotary rod 13: upper limit detection switch

14: lower limit detection switch 15: case

16: hydraulic pump 17: storage groove

UR1: Lifting direction relay DR1: Lowering direction relay

The present invention relates to the selection of the footrest position in an elevator car. In particular, the footrest position selection switch is installed at a low height, and the key is used in an elevator installed in an apartment, such as an apartment complex, by using the footrest that is operated up and down by this switch operation. An elevator scaffolding position selection device for facilitating operation of an elevator operating panel by small children and persons with disabilities.

Conventional elevators, as shown in Figure 1 of the accompanying drawings, in the elevator car of the ceiling (1) and the car wall (2) and the car floor (3), which is installed on the car wall (2) to the destination floor The operation panel 6 for driving up to, the car door 4 which is opened and closed by operation of the operation panel 6 so that a person can get on and off, and the child who is located at the lower part of the operation panel 6 It is comprised as the footrest 7 which operated the operation panel 6, and the car position indicator 5 which is located in the upper part of the said car door 4, and displays the position of the present elevator car.

In the conventional elevator configured as described above, as shown in FIG. 1, an operating panel 6 for driving an elevator car is installed on the car wall 2 at a height based on an average height of an adult. The footrest 7 was put in the lower part of (6), the footrest 7 was stepped on, and the elevator was operated by pressing the destination button of the target floor which wants to go comprised in the operation panel 6 of the elevator.

However, such a conventional elevator has a control panel in a car at a certain position, that is, a height based on the average height of an adult. Especially, when a small child or a disabled person uses an elevator installed in an apartment, such as a housing complex, the desired destination of the elevator control panel is required. Since it is not possible to press the button, a footrest is placed under the control panel mounting position to step on the footrest to operate the elevator control panel, but the inside of the elevator becomes cramped by the installation of the footrest, and when the elevator is used, the normal user There was a problem to inconvenience.

The present invention, in view of the above-described conventional problems, by installing the position selection switch unit of the footrest on the car wall, the foot is operated by the up and down buttons of the position selection switch unit to operate the up and down through the storage groove, Children or handicapped people and a normal person to devise a footrest position selection device of the elevator so that there is no inconvenience to use the elevator, when the present invention will be described in detail with reference to the accompanying drawings.

FIG. 2 is an internal configuration diagram of an elevator car of the present invention, and FIG. 3 is a detailed cross-sectional view showing an operating state of part A of FIG. 2, as shown in the drawing. The ceiling 1, the car wall 2, and the car floor 3 are In an elevator car including a car position indicator (5), a car door (4), and an operating panel (6), a position selection switch unit (8) provided on a car wall (2) below the operating panel (6), and the operating panel ( 6 and a case 15 fixed to one side edge of the car bottom 3 corresponding to the car floor 3, and a case 15 fixed to the lower portion of the cabinet groove 17 by bolts 19 and 19a. And a hydraulic pump 16 fixed at a predetermined angle to one side of the bottom surface of the case 15 to move the hydraulic piston 9 up and down according to the on-off switching of the position selection switch unit 8, and the car. The thin plate 7 is inserted into the storage groove 17 of the bottom 3 so as to be movable up and down, and the gap 18 is maintained on the lower inner wall of the scaffold 7 so as to correspond to each other. Guide shafts 10, 10a, 10b and 10c fixed horizontally, a fixing piece 20 fixed to the stepped surface 15a of the case 15, and a shaft (to the fixing piece 20) 21 is rotatably fixed and connected to the hydraulic piston 9 and the pin 22, and the rotary rod 12 at the tip end is inserted into the gap 18 between the guides 10, 10a, 10b and 10c. The rotating rod 12 is formed to be in contact with the rotating rod 12 by the left and right movement of the crank 11 and the rotating rod 12 formed on both sides of the guide stand 10 and formed on the crank 11 It consists of the upper and lower limit detection switches 13 and 14 provided with the contact pieces 13a and 14a switched on-off.

6 is a stepping position selection circuit diagram of the elevator of the present invention, as shown in the figure, the turn-up button UB1 and the upper limit detection switch 13 of the position selection switch unit 8 connected in series to the power line (+ DC) A contact point URa1 of the elevating direction relay UR1 to be picked up on the relay UR1 connected in parallel with the lift button UB1 to be turned on when the elevating direction relay UR1 is picked up and held thereon; A contact URa2 URa3 of the relay UR1 which is turned on when the lift direction UR1 is picked up to drive the hydraulic pump 16, and the down button DB1 of the position selection switch unit 8; ) And a relay relay DR1 that is picked up at the turn-on of the lower limit detection switch 14 and a relay connected in parallel with the down button DB1 to turn on when the pickup of the relay DR1 is turned on, and retains itself. Relay a, which is turned on at the time of the contact point DRa1 of DR1 and the downward direction relay DR1 to drive the hydraulic pump 16. A contact DRa2 DRa3 of DR1 and the up button UB1 and the upper limit detection switch 13 and the down button DB1 and the lower limit detection switch 14 are connected in series to each other. It configures as the b contact URb1 (DRb1) of the relay UR1 (DR1) turned on at the dropout of the directional relay (UR1) (UR2).

Referring to the operation, effects of the present invention configured as described above in detail.

First, as shown in FIG. 2, when a foothold 7 of the car bottom 3 is stored in the storage groove 17, a small child or a disabled person cannot press the destination button of the elevator operation panel 6 When the position selection switch unit 8 installed at the lower part of 2) is pressed, that is, when the lift button UB1 of the position selection switch unit 8 is pressed as shown in FIG. 6, the current of the power line + DC is raised. Upper limit detection switch that is turned on when the button UB1 and the downward direction relay DR1 are turned on by the dropout and the b contact DRb1 and the rotary rod 12 are not in contact with the contact piece 13a. 13, the lifting direction relay UR1 is picked up.

As the lifting direction relay UR1 is picked up, its b contact point URb1 is turned off, and the downward direction relay UR1 is dropped out, and at the same time, the contact points URa1 (URa2) and URa3 are turned on and the hydraulic pump is turned on. Will drive (16). At this time, even if the release button UB1 of the position selection switch section 8 is released, the contact point URa1 of the elevating direction relay UR1 is self-holding, and the elevating direction relay UR1 remains in the pickup state. On the other hand, the hydraulic pump 16 is driven by the pickup of the lifting direction relay (UR1) to eject the oil, the hydraulic piston (9) in the hydraulic pump 16 protrudes by the oil pin 22 Crank 11 is pushed to the left as shown in FIG. Therefore, the crank 11 is rotated counterclockwise about the shaft 21 of the fixing piece 20 fixed to the step surface 15a of the case 15, and ascends, and a rotating rod formed at the front end thereof ( 12 moves to the left along the gap 18 between the guides 10, 10a, 10b and 10c by the rotation of the crank 11, and the guides 10, 10a and 10b. Since 10c is pushed upwards, the fixed footrest 7 comes out of the storage groove 17. In this state, when the scaffold 7 protrudes to some extent from the storage groove 17, that is, when the rotary rod 12 moves to the left to some extent and contacts the contact piece 13a of the upper limit detection switch 13, the upper limit thereof is reached. The detection switch 13 is turned off so that the lifting direction relay UR1 connected in series is dropped out and its a contact points URa1, URa2 and URa3 are turned off to stop driving of the hydraulic pump 16, and the scaffold 7 As the ascension stops, the small child or the person with a disability steps on and climbs up the stopped footrest 7 in the elevator car and presses the destination button of the operation panel 6 to drive the elevator car to the desired destination floor.

In addition, when the footrest 7 protruding upward from the car floor 3 is unnecessary, when the down button DB1 of the position selection switch unit 8 is pressed, the current of the power supply line + DC drops in the lifting direction relay UR1. To pick up the down direction relay UR1 via the lower limit detection switch 14 which is turned on when it is not in contact with its b contact URb1 turned on by the outer and the contact piece 14b of the rotary rod 12. As the downward direction relay 14 is picked up, its contact point DRb1 is turned off to prevent the upward direction relay UR1 from being picked up, and the a contact points URa1 (URa2) and URa3 turn on. To drive the hydraulic pump 16 in reverse.

At this time, even if the down button DB1 of the position selection switch part 8 is released, the down direction relay DR1 is self-held by its a contact DRa1. On the other hand, the hydraulic pump 16 ejects oil back by the pick-up of the downward direction relay DR1, and the hydraulic piston 9 is inserted into the hydraulic pump 16 downwardly by the oil, thereby cranking the crank 11. It moves to the right as shown in FIG.

Therefore, the crank 11 is lowered while rotating in a clockwise direction about the shaft 21 of the fixing piece 20, the rotating rod 12 formed at its tip is guide guide (by rotating the crank 11) ( 10) (10a) 10b (10c) pushes the guide bars 10, 10a, 10b, 10c downward while moving left along the gap 18 of the footrest (7) Descend along (17). In this state, when the scaffold 7 is fully enclosed in the storage groove 17, that is, when the rotary rod 12 moves to the right to some extent and touches the contact piece 14a of the lower limit detection switch 14, the lower limit detection switch thereof. (14) is turned off so that the downward direction relay DR1 connected in series is dropped out and its a contacts DRa1, DRa2 and DRa3 are turned off to stop driving of the hydraulic pump 16, and The upper surface is lowered to a position coinciding with the car bottom 3 of the elevator to be the head of the storage groove 17.

As described in detail above, the present invention installs the position selection switch of the footrest on the car wall at a height that can be reached by a child or a handicapped person so that the footrest moves up and down by operating the up and down buttons of the position selection switch part. It provides the convenience for the small children and the disabled to use the elevator, and also makes the space inside the elevator car more spacious and clean.

Claims (2)

A position selection switch unit 8 installed at a predetermined position under the elevator car operating panel, a storage groove 17 formed at one corner of the car floor to accommodate the footrest 7, and a lower portion of the storage groove 17. A case 15 to be fixed, a hydraulic pump 16 fixed to the bottom of the case 15 to move the hydraulic piston 9 up and down according to the switching of the position selection switch unit 8, and the footrest ( 7 is rotatably fixed to guide bases 10, 10a, 10b and 10c that are horizontally fixed to both sides on the lower inner wall of the lower part 7 and the stepped surface 15a formed on the case 15. A crank 11 having a rotary rod 12 connected to an end of the hydraulic piston 9 and having a rotary rod 12 of the tip inserted between the guide poles 10, 10a, 10b and 10c; It is installed on both sides of the guide 10 and is switched on-off by the left and right movement of the rotary rod 12 to prevent the up and down movement of the scaffold (7) Foot position select device for an elevator according to the, characterized in that by configuring a lower limit detection switch 13 (14). According to claim 1, wherein the position selection switch unit 8 is connected in parallel with the elevating direction relay UR1 picked up at the turn-on of the elevating button UB1 and the upper limit detection switch 13 and the elevating button UB1. A contact URa1 which is turned on when the pickup of the lifting direction relay UR1 is turned on and self-holding, and a of the relay UR1 which drives the hydraulic pump 16 turned on when the lifting direction relay UR1 is picked up. Down direction relay DR1 connected in parallel with the down direction relay DR1 picked up at the turn-on of contact URa2 URa3, down button DB1 and lower limit detection switch 14, and down button DB1. A contact DRa1, which is turned on to pick up and retains itself, and aa contact DRa2 of relay DR1, which is turned on when picking up the downward direction DR1 and drives hydraulic pump 16 in reverse B) of relay UR1 DR1 connected in series between DRa3 and the up button UB1, the upper limit detection switch 13 and the down button DB1, and the lower box detection switch 14; An elevator scaffold position selection device, comprising: (URb1) (DRb1).