JPH09165150A - Misoperation preventing device for operation switch of operation panel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide excellent usability without the mulfunction of operation switches even if strong pressure is applied to a shielding body by providing a plate having a large opening part and a small opening part, a fitting member for fixing the plate and a holding body integrally to each other, and a clearance holding member for forming a specified clearance between the plate and the holding body. SOLUTION: A shielding body 11 is provided between an operating cover and a holding body. This shielding body 11 is provided with a plate 12 having a large opening part 13 and the like large enough for an operator to insert the finger to operate a first control switch, and a small opening part 14 and the like through which the operator cannot insert the finger so as not to be able to operate a second control switch. The distance between the plate 12 and the holding body is kept almost constant by fitting members 15, 15a and a clearance holding member 16. Accordingly, even when the surface of the plate 12 is pressed to the holding body 8 side by the finger in the opened state of the operating cover, there is no mulfunction of the first control switch and second control switch due to being pressed by the back face of the plate 12.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an erroneous operation preventing device for an operation switch of a driving operation panel arranged in a car of an elevator.

[0002]

2. Description of the Related Art Conventionally, as this kind of erroneous operation preventing device,
For example, there is one disclosed in Japanese Utility Model Laid-Open Publication No. 3-15864. In this prior art, a shield is provided between the driving cover and a holder that holds various operation switches.
When the driving cover is opened, the shield exposes the first operation switch for predetermined normal operation among various operation switches, for example, a switch for manager, so that it can be operated to perform a predetermined special operation. The second operation switch, for example, a maintenance switch operated at the time of maintenance is covered so as to be inoperable, and is made of an opaque synthetic resin. The shield is attached so as to be elastically attached to the holder.

As a means for attaching such a shield to a holder, a means in which a fixing pin is used for fixing is proposed in Japanese Utility Model Laid-Open No. 62-150468.

[0004]

The conventional erroneous operation preventing device having the above-mentioned shield has the following problems. (1) Since the shield is made of opaque synthetic resin, the type of operation switch covered by the shield cannot be determined. Therefore, in order to confirm the type, it is necessary to remove the shield.

(2) In order to operate the second operation switch covered with the shield, the shield must be removed.

(3) When the shield is strongly pushed toward the operation switch when the operation cover is opened or closed, the shield is elastically deformed because it is made of synthetic resin and is covered by the deformation. The second operation switch is pressed, causing a malfunction.

The present invention has been made in view of the above-mentioned circumstances in the prior art, and an object thereof is to remove the shield without fear that the operation switch malfunctions even if a strong pressing force is applied to the shield. Another object of the present invention is to provide an erroneous operation prevention device for operation switches of a driving operation panel, which can visually check all operation switches without using the shield and can operate all operation switches without removing a shield.

[0008]

In order to achieve the above object, the present invention provides a first operation switch for a predetermined normal operation and a second operation switch for a predetermined special operation, which is arranged in a car of an elevator. The second operation switch is provided in a driving operation panel having a holding body for holding the operation switch and an openable / closable driving cover for covering the holding body, the second operation switch being provided between the driving cover and the holding body. In the operation error prevention device for an operation switch of a driving operation panel having a shield for restricting the operation of the above, the shield is formed at a position corresponding to the first operation switch of the holder, A large opening that allows the operation of the first operation switch and a position of the holding body corresponding to the second operation switch are formed, and operation of the second operation switch by the operator's finger is disabled. A flat plate having an opening, a mounting member that integrally fixes the flat plate and the holding body, and a gap holding member that forms a predetermined gap between the flat plate and the holding body, and at least The plane plate is made of a synthetic resin that enables see-through.

In the present invention thus constructed, when the operation cover is opened and closed, even if a pressure is applied to the shield, the flat plate of the shield and the holder are kept at a constant gap by the gap holding member. Therefore, the pressing force is not transmitted to the operation switch, and there is no concern that the operation switch malfunctions.

Further, since at least the plane plate of the shield is made of a transparent member, all the operation switches can be visually confirmed through the plane plate without removing the shield.

Further, the operator can operate a predetermined first operation switch for normal operation by opening the driving cover and inserting a finger into the large opening of the shield. Also, regarding the second operation switch for the predetermined special operation,
Although it cannot be operated with a finger, it can be operated by inserting a member that can be inserted into the small opening. Therefore, all the operation switches can be operated without removing the shield.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of an erroneous operation preventing device for an operation switch of a driving operation panel of the present invention will be described below with reference to the drawings. 1 to 6 are explanatory views of an embodiment of the present invention, FIG. 1 is a front view showing a driving operation panel in a car in which the embodiment of the present invention is provided, and FIG. 2 is a II-II of FIG. An enlarged sectional view, FIG. 3 is an enlarged sectional view taken along the line III-III in FIG. 1, FIG. 4 is a front view showing only a holding body with the driving cover and the shield removed, and FIG. 5 is a perspective view showing the rear surface of the shield. FIG. 4 is a front view showing a state in which a shield is attached to a holder.

As shown in FIG. 1, the operation display panel 1 provided on the inner wall of the elevator car has a specification display section 2, an intercom 3, an emergency call button 4, a door operation button 5, a destination floor button 6, and a driving cover. 7 etc. are provided. The operation cover 7 covers the opening 1a (shown in FIGS. 2, 3 and 4) provided in the operation control panel 1, and is attached to the operation control panel 1 so as to be openable / closable by the hinge mechanism 19 as shown in FIG. Has been. Figure 2
As shown in FIG. 5, a switch storage box 18 is arranged inside the operation cover 7.
8 is a first for normal operation such as a switch for administrator.
Operation switches 9, 9a, 9b, and second operation switches 10, 10a, 1 for predetermined special operations such as maintenance switches
0b is stored. These first operation switches 9,
9a, 9b and second operation switches 10, 10a, 10
b is held by a holding body 8, and this holding body 8 is attached to the switch storage box 18 by attachment legs 8a.

The above-mentioned first operation switch 9, which is a predetermined operation switch for normal operation, is used to turn on / off the ceiling light in the car. The first operation switch 9a is used to stop the door. The first operation switch 9b is used when stopping the car at an arbitrary position in the hoistway. Further, the above-mentioned second operation switch 1 which is an operation switch for special operation
0 is used to turn the ventilation fan on and off. Second operation switch 1
0a is used for maintenance work. The second operation switch 10b is used to stop the car on each floor. On the front surface of the holding body 8, the first operation switches 9, 9a,
Markers 17 and 17a indicating the types of 9b and the second operation switches 10, 10a and 10b are attached.

A shield 11 is provided between the driving cover 7 and the holder 8 as shown in FIGS. The shield 11 is made of, for example, a transparent synthetic resin as a whole, and is provided so that the second operation switches 10, 10a, 10b cannot be operated from the opening 1a side even when the operation cover 7 is opened. Has been. That is, as shown in FIG. 5, the shield 11 is formed at a position corresponding to the first operation switch 9, 9a, 9b of the holder 8 and is provided with a maintenance staff member who belongs to an elevator maintenance company or an elevator. The fingers of operators such as managers belonging to the building can be inserted,
The first operation switches 9, 9a and 9b are formed at positions corresponding to the large opening portions 13 and 13a which are preset to a size that enables operation and the second operation switches 10, 10a and 10b of the holding body 8, The above-mentioned operator cannot insert a finger, and the second
Small openings 14, 14a, 14 preset to a size that makes it impossible to operate the operation switches 10, 10a, 10b
It has a flat plate 12 having b. In addition, the shield 11
Has mounting members 15 and 15a for integrally fixing the flat plate 12 and the holding body 8 integrally with the back surface of the flat plate 12, for example, at both ends in the vertical direction.
A gap holding member 13 that forms a predetermined gap between the flat plate 12 and the holding body 8 is integrally provided at the center of the back surface of the unit 2.

The pair of mounting members 15 and 15a and the gap holding member 16 described above are formed in, for example, a prism shape. The flat plate 12, the mounting members 15 and 15a, and the gap holding member 16 are integrated by using, for example, an adhesive.

Further, the mounting members 15 and 15a are provided with mounting holes 21 and 21a, respectively. Each of these mounting holes 21 and 21a may be provided one by one, or may be provided in plural if necessary. The shield 11 is fixed to the front surface of the holder 8 by screws 24, 24a inserted into the mounting holes 21, 21a provided in the mounting members 15, 15a. The mounting members 15 and 15a are, as shown in FIGS.
It is invisible from the opening 1a of the operation control panel 1. Therefore, as shown in FIG.
The screws 24, 24a attached to 5a are invisible from the opening 1a and have a good appearance.

When the driving cover 7 is closed, the stud bolt 20 for fixing one end of the hinge mechanism 19 to the back surface of the driving cover 7 is located in the notch 12a in the central portion of the flat plate 12, and the driving cover 7 is locked. Hook 22a of mechanism 22
Bolts 23 for fixing the rear side of the driving cover 7
Is located in the notch 12b in the central portion of the flat plate 12.
The reference numeral 25 in FIG. 1 indicates a key hole for operating the lock mechanism 22 described above.

In the embodiment thus constructed, the stud bolt 20 of the hinge mechanism 19 and the stud bolt 23 of the lock mechanism 22 are in the closed state of the operation cover 7.
Is the cutouts 12a and 12b of the flat plate 12 as described above.
Therefore, the shield 11 is not pushed toward the holding body 8 by these stud bolts 20 and 23.

Further, with the operation cover 7 opened, the surface of the flat plate 12 is held by the fingers of a maintenance person or a manager.
Even if pushed to the side, the attachment members 15 and 15a and the gap holding member 16 keep the distance between the flat plate 12 and the holding body 8 substantially constant. The switch 9b and the second operation switches 10 and 10
There is no possibility that the a and 10b are pressed and malfunction.

Further, when it is desired to open the operation cover 7 and switch the second operation switches 10, 10a, 10b for special operation, it is not necessary to remove the shield 11, and the marker 17, from the surface of the transparent shield 11 can be removed. Check the content of the sign of 17a and check the corresponding second operation switch 10, 10a, 1
0b, and the selected operation switch 10,10
small openings 14, 14a, 1 located in front of a, 10b
For example, a thin rod-shaped member may be inserted into 4b and the switches 10, 10a, 10b may be operated by the rod-shaped member.

Thus, in this embodiment, the shield 11
All operating switches 9, 9a, 9 without removing
b, 10, 10a, 10b can be visually confirmed, and all the operation switches 9, 9 can be removed without removing the shield 11.
It is possible to operate a, 9b, 10, 10a, 10b, and in particular, workability associated with switching of the second operation switches 10, 10a, 10b can be improved. Further, since it is not necessary to remove the shield 11, the shield 11 will not be lost.

Further, as described above, the stud bolts 20 and 23 of the hinge mechanism 19 of the driving cover 7 and the lock mechanism 22.
The shield 11 is not pushed to the holding body 8 side by the above, and even if the shield 11 is mistakenly pushed to the holding body 8 side by a maintenance person or a manager, the attachment members 15 and 15a and the gap holding member. Since the gap between the flat plate 12 and the holding body 8 is kept constant by 16, the second operation switch 1
There is no concern that a malfunction will occur in which 0, 10a, and 10b are inadvertently switched.

In the above embodiment, the entire shield 11 is formed transparent, but the mounting members 15 and 15a need not be formed of a transparent body because they are arranged at positions where they cannot be seen. Further, the gap holding member 16 does not have to be formed of a transparent body when it is formed in a size and shape that does not overlap the marking bodies 17 and 17s of the holding body 8. In any case, at least the flat plate 12 is formed of a transparent body.

In the above embodiment, the mounting member 15,
Although 15a and the gap holding member 16 are provided integrally with the shield 11, they may be provided integrally with the holder 8.

[0026]

As described above, according to the present invention, even if a strong pressing force is applied to the shield, there is no concern that the operation switch will malfunction, and it is possible to ensure a higher level of safety than before.

Further, all the operation switches can be checked without removing the shield, and all the operation switches can be operated without removing the shield, which is excellent in usability. In particular, it is possible to improve the workability of the work associated with the switching of the second operation switch related to the special operation, as compared with the related art.

[Brief description of the drawings]

FIG. 1 is a front view showing a driving control panel in a car provided with an embodiment of the present invention.

FIG. 2 is an enlarged cross-sectional view taken along line II-II of FIG.

FIG. 3 is an enlarged cross-sectional view taken along the line III-III of FIG. 1;

FIG. 4 is a front view showing only the holder with the driving cover and the shield removed in an embodiment of the present invention.

FIG. 5 is a perspective view showing a back surface of a shield provided in an embodiment of the present invention.

FIG. 6 is a front view showing a state in which the shield is attached to the holder in the embodiment of the present invention.

[Explanation of symbols]

 1 Operation Control Panel 1a Opening 7 Operation Cover 8 Holding Body 9 First Operation Switch 9a First Operation Switch 9b First Operation Switch 10 Second Operation Switch 10a Second Operation Switch 10b Second Operation Switch 11 Shield 12 Flat Plate 12a Off Notch 12b Notch 13 Large opening 13a Large opening 14 Small opening 14a Small opening 14b Small opening 15 Mounting member 15a Mounting member 16 Gap holding member

Claims (3)

[Claims] 1. A holding body which is arranged in a car of an elevator and holds a first operation switch for a predetermined normal operation and a second operation switch for a predetermined special operation, and a holding body which covers the holding body and can be opened and closed. An operation switch for a drive control panel, which is provided on a drive control panel having a different drive cover, and includes a shield for restricting the operation of the second control switch between the drive cover and the holder. In the erroneous operation prevention device, the shield is formed at a position corresponding to the first operation switch of the holder, and a large opening for allowing the operator's finger to operate the first operation switch; A flat plate having a small opening formed at a position corresponding to the second operation switch of the holding body and for preventing the second operation switch from being operated by a finger of an operator; the flat plate and the holding body And a gap holding member that forms a predetermined gap between the flat plate and the holding body, and at least the flat plate is made of a synthetic resin that enables see-through. A device for preventing erroneous operation of the operation switches on the characteristic operation control panel. 2. The mounting member is fixed to both end portions of the surface portion of the flat plate on the side facing the holding body, and the gap holding member is the surface portion of the flat plate on the side facing the holding body. The erroneous operation prevention device for an operation switch of a driving operation panel according to claim 1, wherein the operation switch is fixed to a central portion of the. 3. The erroneous operation prevention device for an operation switch of a driving control panel according to claim 1, wherein the shape of the attachment member and the gap holding member is a prismatic shape.