JP3017481B1 - Dental care chair - Google Patents

Abstract

An emergency stop mechanism for urgently stopping the movement of a dental treatment chair when the chair is moving automatically (that is, without holding down a switch). provide. SOLUTION: An operation panel 11 has switches 12a to 1 for performing various operations such as up, down, tilting, and tilting of a dental treatment chair.
4b, an auto memory switch 15, and an auto return switch 16. The panel 11 is preferably composed of a single liquid crystal panel common to each switch, and has a function of performing various operations by pressing a position corresponding to the display of the various operations, and a function of performing one of the various operations. Has a function to stop the operation when any place is pressed when the operation is automatically performed. Further, when the automatic operation is performed by the auto switch 15 or 16, the entire display surface is changed to a stop switch, and the operation of the chair can be stopped by pressing any place.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a dental treatment chair, and more particularly, to an emergency stop device during operation of the dental treatment chair.

[0002]

2. Description of the Related Art FIG. 3 is an overall configuration diagram for explaining an example of a dental treatment unit to which the present invention is applied.
Reference numeral 0 denotes a dental treatment unit, and the unit 10 includes a dental treatment chair 1, a work table 2, a spitton 3, an operating light 4,
It comprises an instrument holder 5, a foot switch 6, an instrument holder 7 for assistants, and the like. The instrument holder 5 accommodates various instruments 8 used in dental treatment, as is well known. For dental treatment, the patient sits on the chair 1 and fixes his head on the abutment 9 to receive the treatment. During treatment, the surgeon
The treatment is performed by moving the treatment chair 1 up and down, starting up, and tilting the patient, so that the patient can easily be treated. The operation of the treatment chair 1 is performed by operating a touch switch provided on the operation panel 11.

FIG. 4 is an enlarged detailed plan view showing an example of the operation panel 11, in which 12a and 12b are switches for raising and lowering the treatment chair, 13a and 13b are switches for moving up and down, and 14a. , 14b are switches for tilting, and as is well known, the treatment chair 1 is
Press 2a to wake up, 12b to fall, 13a to rise, 13b to fall, 14a to tilt head up, 14b to tilt head down. I do.

The operation panel 11 further has an automatic memory switch 15, which is used, for example, when the chair is in the return position, that is, when the patient is in the reference position before the patient gets on the treatment chair. Pressing the switch 15 automatically moves the chair to the memory position, ie, the treatment position. When the switch 15 is pressed in the memory position, the chair returns to the gargle position (the back tilt is returned while the height of the seat remains unchanged), and the chair can be gargle. In the gargle position,
Pressing this memory switch 15 moves to the memory position. Therefore, after that, when the switch 15 is pressed, it returns to the gargle position, and then, when the switch 15 is pressed, it returns to the memory position again. Thus, every time the switch 15 is pressed, the memory position (treatment position) gargle position Move between. Further, when the chair is in the memory position, the position of the chair is adjusted to perform the treatment in the most easily treatable state.
Pressing 5 moves the chair to the gargle position. After gargle,
When the switch 15 is pressed, it moves to the adjusted treatment position, and thereafter, every time the switch 15 is pressed, it moves between the adjusted memory position and the gargle position. Also, 1
Reference numeral 6 denotes a return switch.
Pressing 6 returns the chair to its initial state (actual position) and allows the patient to get out of the chair.

[0005]

The use of the auto memory switch 15 and the auto return switch 16 has been described above. As described above, when the auto memory switch 15 is pressed, the chair is turned on. Automatically moves to the setting position set by switch 15,
Further, when the return switch 16 is pressed, the patient moves to the getting on / off position and stops automatically at this position. There is a case where you want to stop the chair urgently, such as when it is likely to hit, or when the falling footrest is likely to hit the thing on the floor, but in such a case, you are in a hurry, so what switch should you press and stop? It may not be possible to judge immediately and danger may not be avoided.

The present invention has been made in view of the above circumstances, and particularly in a dental treatment chair, when the chair moves automatically (that is, without holding down the switch). The purpose of the present invention is to provide an emergency stop mechanism for urgently stopping the movement of a chair.

[0007]

According to a first aspect of the present invention, there is provided a dental treatment chair having a panel switch for performing various operations such as up, down, tilting, and tilting of the chair.
The switch is composed of a single panel common to the switches, and a function of performing the various operations by pressing a position corresponding to the display of the various operations on the panel, and one of the various operations is performed. In this case, the panel has a function of stopping the operation when the user presses any place on the panel.

According to a second aspect of the present invention, in the first aspect of the invention, the panel switch comprises a single liquid crystal panel common to each switch, and presses a position corresponding to the display of the various operations on the liquid crystal panel. A function to perform the various operations, and a function to stop the operation even when the user presses any place on the panel when any operation of the various operations is performed. Things.

According to a third aspect of the present invention, in the second aspect of the invention, the chair has an automatic memory function for moving the chair to a predetermined position or state when the various operation switches are pressed. Is operated by the function of the automatic memory, the display of the liquid crystal panel is turned off.

According to a fourth aspect of the present invention, in the second aspect of the invention, the chair has an automatic memory function of moving the chair to a predetermined position or state when the various operation switches are pressed. Is operated by the automatic memory function, the display on the liquid crystal panel is a display showing a stop button.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a conceptual diagram for explaining an embodiment of the present invention. FIG. 1A is a chair operation panel as described above, wherein the operation panel is a single panel. , And more preferably, a single liquid crystal panel. Usually, as shown in the figure, all the touch switches and, if necessary, characters, figures, and the like can be viewed. You can use it. However, when the automatic memory switch 15 or the return switch 16 is operated to move the chair to the memory position or the return position as described above, the operation shown in FIG.
As shown in (B), all indications disappear, and at the same time, the entire panel surface changes to a stop switch. Therefore, FIG.
In the state shown in (B), the chair can be stopped by pressing any part of the operation panel surface 20, and when a danger is detected, the chair is stopped by pressing the operation panel surface 20 quickly to avoid danger. be able to. After the chair reaches the predetermined position (target position), it returns to the normal state shown in FIG. 1A and functions as a normal operation panel. FIG.
(B) shows an example in which all the displays on the operation panel are turned off.
It will be easily understood that a graphic or the like may be displayed.

FIG. 2 is a circuit configuration diagram for explaining an operation example of the operation panel according to the present invention.
.., 13a, 14b...
a ', 12b', 13a ', 14b'... are relay coils that operate when the respective touch switches 12a, 12b, 13a, 14b... are pressed. For example, while the switch 13a is pressed, the relay coils 13a 'is operated, and the chair lifting / lowering motor is, for example, rotated forward, the chair is raised, and stops when the switch 13a is released. While the switch 13b is pressed, the relay coil 13b 'operates, the chair lifting / lowering motor rotates in the reverse direction, the chair is lowered, and stops when the hand is released from the switch 13b. Switches 12a, 12b '; 14a, 14
b 'operates in exactly the same way, raising or lowering the chair. On the other hand, when the switch 15 (same for 16) is pressed, the relay 15a operates to close the self-holding contact 15b, and at the same time, turns off the liquid crystal display panel 11 and drives the corresponding motor, A movement stop position corresponding to the motor is set, and when the motor reaches the stop position, the switch 15c is shut off to stop the rotation of the motor. Reference numeral 20 denotes an emergency stop switch added according to the present invention. The switch 20 includes the entire panel 11, and when the panel surface 20 of the panel 11 is pressed, the relay coil 15a (16a) is activated. Even in the middle, the motor operated by the relay coil 15a (16a) can be stopped.
After the stop, the user operates the manual switches 12a to 14b. Note that the above circuit is merely an example for performing the operation shown in FIG. 1, and the present invention is not limited to the circuit example shown in FIG.

[0013]

As described above, according to the present invention, when a danger is detected when the chair is automatically operated by the automatic memory switch or the auto return switch, any part of the operation panel surface is pressed. Also, since the operation of the chair can be stopped, quickly and accurately,
Can respond to emergencies.

[Brief description of the drawings]

FIG. 1 is a diagram for explaining a usage example of an operation panel according to the present invention.

FIG. 2 is a diagram showing an example of a circuit for explaining an emergency stop function according to the present invention.

FIG. 3 is a diagram for explaining an example of a dental treatment chair to which the present invention is applied.

FIG. 4 is a diagram showing an example of a conventional operation panel for operating a dental treatment chair.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Dental treatment chair, 10 ... Dental treatment unit, 11 ... Operation panel, 12a-14b ... Chair operation switch, 15 ...
Auto memory switch, 16 ... Auto return switch.

──────────────────────────────────────────────────続 き Continued on the front page (58) Fields surveyed (Int. Cl. ⁷ , DB name) A61G 15/00-15/18 A61C 19/00-19/10 A61H 13/00-13/76

Claims (4)

(57) [Claims] 1. A dental treatment chair having a panel switch for performing various operations such as up, down, tilting, tilting, etc. of a chair, wherein the panel switch comprises a single panel common to each switch. A function to perform the various operations by pressing the position corresponding to the display of the operation, and when any operation of the various operations is performed, the operation is stopped by pressing any place of the panel. A dental treatment chair having a function of performing. 2. The panel switch according to claim 1, wherein the panel switch comprises a single liquid crystal panel common to each switch, and performs various operations by pressing a position corresponding to the display of the various operations on the liquid crystal panel. A dental treatment chair, which has a function to stop the operation when any of the various operations is performed and the user presses any place on the panel. 3. When the various operation switches are pressed,
The chair has an automatic memory function of moving to a predetermined position or state, and the display of the liquid crystal panel is turned off when the chair is operating with the automatic memory function. The dental treatment chair according to claim 2, wherein 4. When the various operation switches are pressed,
The chair has an automatic memory function of moving to a predetermined position or state, and when the chair is operating with the automatic memory function, the display on the liquid crystal panel indicates that it is a stop button. The dental treatment chair according to claim 2, characterized in that: