JPH0537297Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to an operating knob device, and more particularly to an operating knob device for, for example, a gas range or other heating appliance.

(Prior art) As a conventional operation knob device, for example,
As disclosed in Japanese Patent No. 63-69904, an operating knob is inserted into a knob hole provided in an operating panel and is moved to a retracted position substantially flush with the front surface of the operating panel and protrudes from the operating panel using a push-pull mechanism. The operating knob can be moved back and forth between the forward position and the forward position, and the operating knob can be rotated between an operating position in which the instrument is in an operating state and a stop position in which the instrument is in an inoperative state. Are known.

(Problem to be Solved by the Invention) However, in the operating knob device disclosed in the above-mentioned published utility model publication, when the operating knob is rotated at the forward position, the push mechanism causes backlash, that is, tilting with respect to the rotation axis. This causes the problem that operational stability cannot be obtained.

SUMMARY OF THE INVENTION An object of the present invention is to provide an operating knob device that can stably rotate an operating knob.

(Means for Solving the Problems) The operating knob device of the present invention includes an operating panel having a knob hole, an operating knob disposed in the knob hole of the operating panel, and an operating knob that is connected to the front surface of the operating panel. A retracted position on almost the same plane,
The operating knob is provided with a push mechanism capable of advancing and retracting between a forward position protruding from the operation panel, and the operation knob is in the forward position between an operating position in which the instrument is in an operating state and a stop position in which the instrument is in an inoperative state. The apparatus is characterized in that a guide member is provided which guides the rotation of the operating knob by contacting the operating knob only when the operating knob is in the forward position or the operating position.

(Function) In the present invention, as described above, the operating knob comes into contact with the guide member when it is in the forward position and the operating position, so that the operating knob comes into contact with the guide member. guided and rotated.

(Embodiment) Hereinafter, with reference to the accompanying drawings, a case will be described in which a control knob device according to a preferred embodiment of the present invention is applied to a gas range as an appliance.

In the drawings, reference numeral 1 indicates an instrument main body, and this instrument main body 1 is equipped with an operation panel 2 on its front surface. A plurality of knob holes 3 are formed at predetermined positions of the operation panel 2, and within the knob holes 3, an operation knob 5 having an operation member 4 is provided. The operating knob 5 equipped with the operating member 4 can be moved back and forth by a push mechanism 7 having a spring 6 interposed between the operating member 4 and the operating knob 5 . That is, the actuator 8 formed by bending piano wire or the like and provided on the operating member 4 is engaged with the first locking portion A of the push mechanism 7, so that the front surface of the operating knob 5 is brought into contact with the operating panel 2. (see FIG. 2), the actuator 8 is engaged with the second locking portion B of the push mechanism 7, and the front surface of the operating knob 5 is on the same plane as the front surface of the operating panel 2. It is possible to move forward and backward between the forward position (see Figure 3) protruding from the front. In this embodiment, a push mechanism 7 is attached to an operating shaft 9a of a gas cooker 9 as an operated member.

Further, the engagement of the pin 7a provided on the side of the push mechanism 7 with the protrusion 4a of the operating member 4 prevents the operating member 4 from separating from the push mechanism 7. Furthermore, a cylindrical locking piece 10 is provided on the periphery of the knob hole 3 of the operation panel 2, and a cylindrical locking piece 10 that extends a predetermined length rearward is provided on the rear edge of the outer periphery of the operation member 4 at a symmetrical position. Two protruding pieces 11, 11 are provided, and these locking pieces 1
0 and the protruding pieces 11, 11 prevent the push mechanism 7 from separating from the shaft 9a.

When the operation knob 5 is in the forward position,
A guide member 12 is provided so as to be located immediately behind a protruding piece 11 formed on the rear end edge of the operating member 4 . This guide member 12 is connected to the instrument main body 1
It is formed by processing a part of the front plate 13 of , and as shown in FIG. It is equipped with 16. A notch 17 is formed in the guide surface 15 of the guide member 12, through which the two protruding pieces 11 can pass.

The operation knob 5 is provided with a decorative member 18 that closes the front surface of the recess 5a for rotation operation in the retracted position where the front surface thereof is substantially flush with the front surface of the operation panel 2. This decorative member 18 includes the operation knob 5
The front surface of the operating panel 2 is adapted to rotate in conjunction with the rotation operation at the forward position protruding from the front surface of the operation panel 2.

Next, the operation of the gas range having the above configuration will be explained.

When the gas range is not in use, operate the operating member 4.
The operating knob 5 is in a retracted position where the front surface of the operating knob 5 is substantially flush with the front surface of the operating panel 2. From this state, when operating the gas stove 9 and operating the gas range, the operating knob 5 is lightly pressed. Then, the first locking portion A of the push mechanism 7 is disengaged from the actuator 8, the operating member 5 is repelled by the spring 6, and the actuator 8 of the push mechanism 7 is moved to the second locking portion. B
The front of the operation knob 4 is locked to the operation panel 2.
(Fig. 3). Next, when the operating knob 5 is rotated from that position to the operating position, the operating member 4 is rotated, the gas cooker 9 is switched to the operating state via the shaft 9a, and fuel gas is supplied to the burner in the gas range. is supplied and the burner is ignited.

When the operating knob 5 is rotated from the stop position to the operating position, the protruding pieces 11, 1 provided on the operating member 4
1 slides in close proximity to the guide surface 15 of the guide member 12, so even if the operation knob 5 has any play or tilt with respect to the axis, the protruding piece 11 will come into contact with the guide surface 15 and there will be almost no play. will not occur. Further, in this embodiment, when the above-mentioned rotation occurs, the outer edges of the protruding pieces 11, 11
Since it is in sliding contact with the operating knob 6, it is possible to prevent the operating knob 5 from shaking in the lateral direction.

Further, since the protruding pieces 11, 11 are aligned with the notch 17 of the guide member 12 only when the operating knob 5 is at the stop position, the operating knob 5 cannot be moved forward or backward by the action of the push mechanism 7. I can do it. Therefore, the operation knob does not move to the retracted position and become inoperable while the instrument is in operation.

The guide member of the above embodiment has been described as having a stepped portion 16, but in order to prevent only the inclination of the shaft, the stepped portion 16 is formed as shown in FIG. It may be of a structure that is not

Furthermore, as shown in FIG.
1 has a bent structure, and the rising part 2
It may also be of the type that slides into contact with the guide surface 15 at 0.0, 20. At this time, a pair of rectangular openings 21 are formed in the guide member 12 instead of the above-mentioned notches.

Furthermore, as shown in FIG. 8, the protruding piece 11 can be wide in the circumferential direction, and the notch 17 provided in the guide member 12 can also be wide in the circumferential direction. It is necessary to do so. Further, as shown in FIG. 8, the number of protruding pieces 11 and notches 17 may be four, but is not limited to two.

(Effect of the invention) In the operating knob device of the present invention, when the operating knob is in the forward position and the operating position, the operating knob is guided by the guide member and rotated. There is no backlash or inclination with respect to the axis during rotation, and the operating knob can be operated with good stability.

[Brief description of the drawings]

Fig. 1 is a perspective view showing a first embodiment of the present invention applied to a gas range, Fig. 2 is a sectional view when the operating knob is in the retracted position, and Fig. 3 is a sectional view when the operating knob is in the forward position. 4 is a front view of the guide member, FIG. 5 is an exploded perspective view of the operating knob device, and FIG. 6 is a sectional view.
The figure is a schematic perspective view showing another embodiment of the operating knob device, FIG. 7 is a schematic perspective view showing still another embodiment of the operating knob device, and FIG. 8 is a schematic perspective view showing still another embodiment of the operating knob device. It is a schematic perspective view. DESCRIPTION OF SYMBOLS 1... Instrument main body, 2... Operation panel, 3... Knob hole, 5... Operation knob, 7... Push push mechanism, 11... Projection piece, 12... Guide member.

Claims (1)

[Scope of utility model registration request] An operation panel having a knob hole, an operation knob disposed in the knob hole of the operation panel, and a retracted position substantially flush with the front surface of the operation panel and a forward position protruding from the operation panel. The operating knob is rotatable between an operating position in which the instrument is in an operative state and a stop position in which the instrument is in an inoperative state at the forward position.
An operating knob device comprising a guide member that guides rotation of the operating knob only when the operating knob is in the forward position and the operating position.