JPH07206289A - Landing button device for elevator - Google Patents

Abstract

PURPOSE:To prevent a call button from being operated by mistake in maintenance and inspection so as to improve workability for adjustment work or the like and so as to shorten a working time. CONSTITUTION:A cover 16, which can be opened/closed and prevents a press button 4a from being operated, is provided, and the cover 16 is automatically opened/closed by driving a driving motor 12. The driving motor is remote- controlled from an operation panel inside a cage.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an elevator hall button device provided at an elevator hall and having a call button for calling a car.

[0002]

2. Description of the Related Art FIG. 5 is a front view showing an example of a conventional elevator hall button device, and FIG. 6 is a sectional view taken along line VI-VI of FIG. In the figure, 1 is a case made of an iron plate, 2 is a mounting plate fixed to the back surface of the case 1, and 3 is a mounting plate 2.
A board 4 fixed to the top and provided with a circuit for outputting a car call registration signal to the elevator control device, and 4 are two call buttons attached to the board 3, each having a push button 4a. ing. Reference numeral 5 denotes a front plate that covers the front surface of the case 1, and the front plate 5 has an opening at a push button 4a.

In the conventional hall button device as described above,
When a passenger calls the car and pushes the push button 4a at the hall, the call button 4 is activated and a signal for registering the hall is transmitted by the circuit of the board 3. Further, the case 1, the mounting plate 2 and the front plate 5 are configured so that vibration is not transmitted.

On the other hand, when the operator operates the push button 4a during the maintenance and inspection of the elevator, for example, when adjusting the landing position, the car is stopped on an unplanned floor, which hinders the work. Will end up. Therefore, at the time of maintenance and inspection, a tag or the like indicating that the inspection is in progress is attached to a prominent position of each hall, such as a three-sided frame. However, for example, when a three-sided frame made of stainless steel is used, it is difficult to attach the frame, so that the tag under inspection is placed on the floor of the hall.

[0005]

In the conventional elevator constructed as described above, when it is difficult to attach the inspection tag to the three-sided frame, the inspection tag is placed on the landing floor inconspicuous to passengers. As a result, passengers may operate the push button 4a of the elevator during maintenance without noticing the tag being inspected, which reduces the workability of adjustment work and prolongs the work time. was there.

The present invention has been made to solve the above problems, and prevents the call button from being erroneously operated during maintenance and inspection, and improves workability of work such as adjustment work. It is an object of the present invention to obtain an elevator landing button device that can improve the work efficiency and shorten the working time.

[0007]

An elevator landing button device according to a first aspect of the present invention is provided with an openable / closable cover for preventing operation of a call button.

The elevator hall button device according to the second aspect of the present invention is provided with a drive motor for opening and closing the cover, and the drive motor is operated from the operation panel in the car.

[0009]

In the first aspect of the invention, the passenger is prevented from operating the call button by closing the cover during maintenance and inspection.

According to the second aspect of the present invention, the drive motor is operated from the operation panel in the car to automatically open and close the cover of the required floor without moving between the halls.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. Example 1. FIG. 1 is a schematic perspective view showing an elevator hall button device according to an embodiment of the present invention. The same or corresponding parts as those in FIGS. 5 and 6 are designated by the same reference numerals, and the description thereof will be omitted.

In the figure, 11 is a motor mount fixed to the hall wall, 12 is a drive motor mounted on the motor mount 11, and has a rotary shaft 12a. Further, the drive motor 12 is operated from an operation panel (not shown) in the car. Reference numeral 13 denotes a cushioning material interposed between the motor mount 11 and the drive motor 12, 14 denotes a rotatable cover drive shaft extending in the vertical direction of the case 1, and 15 denotes a tip portion of the rotary shaft 12a of the motor 12 and the cover. It is a gear case into which the upper end of the drive shaft 14 is inserted. In the gear case 15, a gear for transmitting the rotation of the rotary shaft 12a to the cover drive shaft 14 and a bearing of the cover drive shaft 14 (whichever (Not shown), etc.

Reference numeral 16 denotes an openable / closable cover fixed to the cover drive shaft 14 via a fixing portion 16a. The cover 16 is made of, for example, a plastic material or the like. Further, the cover 16 rotates 90 degrees from the state of FIG. 1 by the rotation of the cover drive shaft 14 to cover the front surface of the front plate 5. Further, the surface of the cover 16 may be described as, for example, "during inspection". Furthermore, the drive motor 12, the cover drive shaft 14, the gear case 15, the cover 16 when stored (when opened), and the like are housed in a place invisible to passengers at the hall. In addition,
The structure inside the case 1 is almost the same as that shown in FIG.

In such a hall button device, when it is desired to prevent the operation of the push button 4a at the hall, such as during maintenance and inspection, the operation panel in the car is operated to drive the drive motor 12. As a result, the rotary shaft 12a rotates, and the rotation is transmitted to the cover drive shaft 14. When the cover drive shaft 14 rotates, the cover 16 rotates together with it, and moves from the housing portion of the hall wall to the front side of the front plate 5. Then, when the front surface of the front plate 5 is completely covered, the power supply to the drive motor 12 is automatically cut off, and the cover 16 is stopped in the closed state. After the maintenance and inspection work is completed, the operation panel in the car is operated again to drive the drive motor 12 in the reverse direction to move the cover 16 to the open position as shown in FIG.

As described above, in the hall button device of this embodiment, the push button 4a is covered with the cover 16 and hidden behind it at the time of maintenance and inspection, so that the push button 4a cannot be pushed at the hall. Therefore, regardless of the material of the three-sided frame or the like, the call button 4 is prevented from being erroneously operated during the adjustment work, the workability of the work at the time of maintenance and inspection is improved, and the work time is shortened. Further, although there is a possibility that the push button 4a is intentionally tampered with only by displaying the inspection, tampering can be prevented by providing the cover 16.

A drive motor 1 for driving the cover 16
Since 2 is operated remotely from the operation panel in the car,
When the covers 16 are provided at the halls of a plurality of floors, the covers 16 can be collectively opened and closed without moving between floors, and workability is further improved.

Although the drive motor 12 and the cover 16 are provided outside the case 1 in the first embodiment, they may be provided inside the case 1 so that the cover 16 can be put in and taken out from the front plate 5. Is made compact.

Example 2. Next, FIG. 2 is a front view showing an elevator landing button device according to another embodiment of the present invention, and FIG. 3 is a sectional view taken along line III-III of FIG. In the figure, reference numeral 21 denotes a mounting plate on which the substrate 3 and the call button 4 are mounted, and is mounted on the upper and lower surfaces of the case 1 at a distance from the back surface, for example. 22 is a motor mount mounted on the inner surface of the case 1, 23 is a motor mount 2
2 is a drive motor attached to the drive motor 2 via a cushioning material 24, and 25 is a worm gear fixed to a rotary shaft 23 a of the drive motor 23.

Reference numeral 26 denotes a cover having a U-shaped cross section housed in the case 1. The cover 26 has teeth (not shown) continuously engaged with the worm gear 25 on the outer peripheral surface thereof to rotate the worm gear 25. And moves so as to cover the surface of the push button 4a as indicated by the alternate long and short dash line in FIG. Further, the cover 26 has a plurality of bent portions 26a, and the surface is marked with "Inspection" or the like.

In such a hall button device, by driving the drive motor 23, the worm gear 25 rotates and the cover 26 moves from the open position indicated by the solid line in FIG. 3 to the closed position indicated by the alternate long and short dash line. This prevents erroneous operation of the call button 4 during maintenance and inspection, as in the first embodiment.

Example 3. Next, FIG. 4 is a perspective view showing an elevator hall button device according to still another embodiment of the present invention. In the figure, 31 is a pair of cover rails which are provided on both sides of the case 1 and extend in the vertical direction and which are parallel to each other. 32 is a cover which is vertically movable along the cover rail 31. , Fig. 4
By moving downward from the position, the surface of the front plate 5 is covered. Further, the cover 32 is the cover rail 3
1 has a roller (not shown) that engages.

Reference numeral 33 is a sheave fixed to the rotary shaft 12a of the drive motor 12, 34 is a wire rope wound around the sheave 33 and has a terminal portion 34a fixed to the upper surface of the cover 32, and 35 is a cover. It is a cushioning material provided at the lower end of the moving range of 32.

In such a hall button device, the cover 3
2 is opened and closed by vertical movement. That is, by driving the drive motor 12 and rotating the sheave 33, the wire rope 3
The winding amount of 4 changes and the cover 32 moves up and down along the cover rail 31. This prevents erroneous operation of the call button 4 during maintenance and inspection, as in the first and second embodiments. Further, even if the balance is lost when the cover 32 moves downward, there is no problem because the cushioning material 35 is installed.

The material, shape, opening / closing direction, etc. of the cover are not limited to those in the above embodiments. It is also possible to open and close the cover manually without using the drive motor.

[0025]

As described above, the elevator hall button device according to the first aspect of the present invention is provided with the cover that can be opened and closed to prevent the operation of the call button, so that the call button is erroneously operated during maintenance and inspection. Therefore, it is possible to improve the workability of the work such as adjustment work and shorten the work time.

The elevator landing button device according to the second aspect of the invention is provided with a drive motor for opening and closing the cover, and the drive motor is operated from the operation panel in the car. In addition to the same effect as the first aspect of the invention, there is an effect that the cover of the required floor can be automatically opened and closed without moving between halls, and workability can be further improved.

[Brief description of drawings]

FIG. 1 is a schematic perspective view showing an elevator landing button device according to an embodiment of the present invention.

FIG. 2 is a front view showing an elevator landing button device according to another embodiment of the present invention.

3 is a sectional view taken along line III-III in FIG.

FIG. 4 is a perspective view showing an elevator hall button device according to still another embodiment of the present invention.

FIG. 5 is a front view showing an example of a conventional elevator hall button device.

6 is a sectional view taken along line VI-VI of FIG.

[Explanation of symbols]

 4 Call Button 12 Drive Motor 16 Cover 23 Drive Motor 26 Cover 32 Cover

Claims (2)

[Claims] 1. An elevator landing button, which is provided at a landing and has a call button for calling a car, and an openable / closable cover that covers the call button and prevents the operation of the call button. apparatus. 2. The elevator landing button device according to claim 1, further comprising a drive motor for opening and closing the cover, wherein the drive motor is operated from an operation panel in the car.