JPH0676849B2 - Gas stove - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting structure of an operation button lock device for a gas stove and an improvement in operability.

2. Description of the Related Art FIG. 7 is a block diagram showing only the mechanical portion of an example of a conventional operation button locking device, and FIG. 8 is a perspective view showing its appearance. (Even in the embodiment of the present invention
It is shared. ) First, in FIG. 8, the operation panel 1 is provided with operation buttons 2 for each stove and grill, a firepower control lever 3 and an operation button lock knob 4 are provided on the top of the operation panel 1, and a stove burner and a stove are provided on the stove top. It is provided. In the stove having such an external configuration, in the operation button locking device according to the conventional example, as shown in FIG. 7, inside the lock knob 4, a plate 14 for mounting the knob is provided.
Fixed to the connecting rod 15 by spot welding, etc.
15 is supported by at least two supporting members 20 and is fixed to the main body by screws 23 or the like. On the other hand, both ends of the connecting rod 15 are bent in the forward direction (possibly also in the rear direction) and also serve as a rotating shaft.
The lock pieces 17 are held in a state that they are inserted into the slit portions 18 of a lock piece 17 that is rotatable around the center. The shaft portion 13 is fixed to the main body side by means of a female member or the like. Further, at least one of the lock pieces has a reversing spring made of a leaf spring or a wire spring.
21 is provided so as to be provided between the main body side support portion 22 and the main body side support portion 22. This figure (solid line portion) shows a locked state, and the lock portion 19 is set so that the lower end portion of the operation button abuts on the lock portion 19 of the lock piece 17, and the lock knob 4 is operated in the direction of arrow b ( 4'position), so that consolidated lot 15
Also, the lock portion 19 of the lock piece 17 rotates in the direction of arrow c, and the lock is released by the displacement of the position of the lock portion. Further, a reversing spring 21 is provided to give a click feeling at the time of operation, and is reversed to the locking and unlocking side to give a lock feeling at the time of operation.

However, in such a conventional example, as is apparent from FIG. 7, the lock mechanism is too complicated for achieving the function, and the number of parts is large, so that it is difficult to assemble and part accuracy is high. Is also required. Naturally, it was difficult to thoroughly maintain services and the like, and there were problems such as high costs.

The present invention solves such a conventional problem, and an object thereof is to achieve a function equivalent to the conventional one with an extremely simple configuration.

Means for Solving the Problems In order to achieve the above object, in the present invention, the lock knob body is attached by being sandwiched between an operation panel and a resin frame that also serves as a frame for operation buttons and the like, and the lock knob side or Two rows of groove parts corresponding to the operation stroke are provided on either side of the resin frame, and a protrusion with spring properties is provided integrally on either the resin frame side or the lock knob side corresponding to this groove, and the protrusion and the groove part are provided. By fitting
The configuration is such that an operation with a modest click feeling can be performed.

Operation According to the configuration of the present invention, the lock knob having the sliding portion of the knob portion as one body is inserted between the resin frame, which is inevitably required in the configuration, and the operation panel, and the two are attached to each other. The groove provided and the protrusion having springiness are locked and
By providing them so as to be fitted together in the unlocked state, it is possible to achieve a locking device and also to achieve a modest click feeling during operation.

Embodiment Hereinafter, one embodiment of the present invention will be described with reference to the drawings. Although FIG. 8 is the same in this embodiment as well, it has been described in the conventional example and will not be described.

FIG. 1 is a schematic cross-sectional view showing an internal structure of one embodiment, and a resin frame 6 which also serves as a frame portion of the operation button 2, the heat power adjusting lever knob 3, the operation button 2 and the heat power adjusting lever knob 3 arranged on the operation panel 1. The cock 7 operated by the operation button is arranged behind the operation button 2.

The operation button lock knob 4 is located at the bottom of the operation button 2
It is located as shown in the figure.

FIG. 2 is an enlarged view of a main part of an embodiment of the present invention, and FIG. 3 is a rear view of the same, showing a locked state. The lock knob 4 is made of resin integrally with the knob portion 4, the sliding portion A and the lock piece portion B, and the sliding portion A is provided on the back surface of the operation panel 1 by spot welding or the like, and the mounting portion of the resin frame 6 is attached. Also, the mounting plate 9 and the lock knob sliding portion pressing portion 10 of the resin frame 6 are sandwiched and mounted.

In the locked state, the front surface of the lock piece portion B of the operation knob 4 is positioned so as to overlap behind the protrusion 8 provided at the lower end portion of the operation button 2 so that the operation button 2 cannot be operated. When the lock is released, the overlapping state is released and the operation button 2 can be operated. When the operation button is operated, the protrusion 8 is 8 '.
In this state, the locking operation is not possible because the side surface of the protrusion of the lock piece B hits the side surface of the protrusion. 11 is a screw for fixing the resin frame 6, which is the mounting plate 9
It is screwed to.

FIG. 4 is a cross-sectional view of the lock knob 4 of the embodiment in the lateral direction, in which the lock knob is mounted by being sandwiched between the mounting plate 9 and the lock knob sliding portion A pressing portion 10 of the resin frame 6. The sliding portion A is provided with two rows of grooves a and b provided at the same pitch as the operation stroke S on the surface facing the pressing portion 10.
Is provided with a protrusion 12 having a spring characteristic that fits into the groove b and b corresponding to the operation stroke, and the protrusion 12 fits into the groove b when locked (state of FIG. 4) and unlocked. (Knob 4
Is operated in the direction of the arrow a) so as to be fitted into the groove B in the same manner to obtain a click feeling with moderation at the time of operation.

Further, FIGS. 5 and 6 show another embodiment. First, in FIG. 5, the sliding part A is sandwiched between the mounting plate 9 and the holding part 10, which is the same as the above-mentioned example. There is a protrusion 12 'having a spring property for obtaining the above-mentioned click feeling.
Is provided on the front side of the sliding portion A, and the sliding portion A is previously sandwiched between the pressing portion 10 and the protruding portion 12 'and set, and then mounted on the mounting plate 9. In addition, since the protrusion 12 'is configured in the same part that is set to a predetermined size in advance, there is little variation in clicking feeling due to variation in dimensional accuracy, and it is possible to obtain a better operating feeling. is there. FIG. 6 is a lateral cross-sectional view showing the pitch of the stroke S at a position corresponding to the protrusion 12 'of the sliding portion A set so as to be sandwiched between the pressing portion 10 and the protrusion 12'. The grooves 12 'and 20' shown in FIG. 9 are shown, and when the knob 4 is operated in the direction of the arrow a, the projection 12 'is changed from the groove 12' to 20 ', and a click feeling is obtained.

With such a configuration, it is possible to obtain a better operation feeling as described above, and it is possible to previously set the sliding portion by sandwiching it with the projection 12 ′ and the pressing portion 10. In the embodiment, when assembled on the operation panel 1, the operator has to work while paying attention to the fall of the knob 4 and the position shift, which is an effect that the assembling work is relatively easy. It is a thing.

Effects of the Invention As described above, according to the configuration of the present invention, the following effects can be obtained.

(1) As is clear from the comparison with the conventional example, it is possible to achieve the same locking device as the conventional example with an extremely simple configuration, and it is extremely useful in terms of assemblability, cost, component accuracy, and maintenance. It is a thing.

(2) With the above configuration as it is, it is possible to obtain a click feeling with moderation without adding any parts.

Etc. are of great practical value.

[Brief description of drawings]

FIG. 1 is a sectional view of a main part of a gas stove according to an embodiment of the present invention, FIG. 2 is an enlarged sectional view of the main part, and FIG. 3 is a rear view of the same.
FIG. 4 is a lateral sectional view of the same, FIG. 5 is an enlarged sectional view of an essential part of the second embodiment, FIG. 6 is a lateral sectional view of the same, and FIG. 7 is a perspective view of an essential part of a conventional example. The figure is a perspective view of a general gas stove. 1 ... Operation panel, 2 ... Operation buttons, 4 ... Lock knob, 6 ... Resin frame, 9 ... Mounting plate, A ... Sliding part of lock knob, B ... Lock piece of lock knob, 12 ...... A protrusion having springiness.

Claims (1)

[Claims] 1. An operation panel made of a sheet metal member on the entire surface of the main body, an operation button composed of push buttons for performing ignition and extinguishing operations corresponding to each of the stove and the grill, a heating power adjusting lever, and the operation button. A support frame and a frame part, and a resin frame that constitutes the frame part of the thermal power adjustment lever, and an operation button lock knob made of resin, the lock knob is the operation panel and the resin frame. Two rows of groove portions corresponding to the operation stroke are provided on either the lock knob side or the resin frame side, and the two rows of grooves on the resin frame side or the lock knob side are provided. A gas stove configured to have a spring-like projection at either one of the positions so that a modest operation can be performed.