JPS6196326A - Operating device - Google Patents

Abstract

PURPOSE:To offer the children mischief preventing mechanism without increasing an operating button by a method wherein a nullifying position retaining mechanism nullifies the engagement between an operating piece and a lock member, the operating piece is utilized for the igniting operation and the like of a gas utensils. CONSTITUTION:By pressing a releasing piece 17 to an intermediate position just before a guide rod 21d is abutted to an end edge (b) provided on a guide path 21b thereof, an abutting piece 20 of the releasing piece 17 presses a pressing piece 16 of a lock member 12, releases the locking of the lock member 12, then an operating piece 3 is returned, the burning of a burner 4 is stopped. Meantime, by pressing the releasing piece 17 to the position where the guide rod 21d is abutted to the end edge (b) provided on the guide path 21b, the guide rod 21d is engaged with a stopping point (c) then the returning of the releasing piece 17 is topped. Under above condition, the operation of the operating piece 3 to the On position does not locked by the abutting piece 20 of the releasing piece 17, also is kept under the nullifying condition.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) - The present invention relates to an operating device used for operating appliances, such as igniting gas appliances.

(Prior Art) In order to simplify operation, this type of device adopts two positions: the A-7 position in which the operator is returned by a spring, and the ON position in which it engages with a locking member by an ON operation against the spring. It is known that the lock member is released from the lock member using a release element.

(Problems to be Solved by the Invention) Since the devices are easy to operate, children can easily play tricks on them.

(Means for Solving the Problem) The present invention aims to solve the above problem only by operating a release element, and has two positions: an OFF position that is returned by a spring, and an ON position that resists the spring. an operator that takes two positions;
In the operating device, the operating device includes a locking member that snaps into engagement with the operating element when the operating element is in an on position, and a release element that releases the elastic engagement of the locking member with the operating element, The present invention is characterized in that an invalid holding mechanism is provided which presses the lock member to invalidate the elastic engagement between the lock member and the operating element.

(Embodiment) An embodiment of the present invention will be described below with reference to the drawings.The figure shows an operating device for ignition operation in a gas stove. l'b
Therefore, in the first embodiment shown in Figs. 1 to 3, the operator (3) installed on the front plate of the gas stove (1)
The on-off valve (6) provided in the gas passageway (5) connected to the barge (4) is opened by the operation, and the igniter (7) is opened.
The switch (8) provided in the operating circuit of the controller is pressed, and the operator (3) is of a push button type and is provided at the front of the front panel (2) as shown in Figures 2 and 3. Operation lock (
9) A step (It) provided on the outer periphery of the spring (10) inserted between the spring (10) and the plate (2) is inserted into the front wall of the operating lock (9). The bullet is locked and returned to the off position. (+21 is a locking member, and this member (■) is supported by a shaft (13t-) on the low wall of the operation lock (9) and is rotated counterclockwise by a spring (IID). A claw piece (+51) is bent and formed on the upper surface of the third claw piece (+51) on the side surface of the operator (3).
As shown in Figure a, the spring (I) of the operator (3)
By being pressed to the on position against the force Q, the claw piece (5) engages with the stepped part (11) of the operator (3) to maintain the on position as shown in FIG. On that side,
A pressing piece ae is provided that releases the engagement with the stepped portion (11) of the claw piece (Is). (+71 is a release element, and the release element (17
Reference numeral 1 denotes a spring (1) which is slidably inserted into the operating lock (9) in parallel with the operating element (3) and is interposed between it and the front plate (2).
The stepped portion (19) provided on the outer periphery is elastically locked to the front wall of the operation tube (9) and returned to the off position, and a contact rod (2) that abuts the pressing piece ae is bent on the outer periphery. Further, on the side thereof, there is provided an invalidation holding mechanism (i) which disables the locking of the locking member aδ by compression against the spring ('1 second), and this mechanism (ii) is provided with a cam provided on the side of the release element aD. Body (2
A guideway (21b) formed in 1a) and a guideway (21b) formed in
1b) and a guide rod (21d) whose other end is pivotally supported by a picture frame and whose middle portion is resiliently urged by a spring (21c). As shown in Figure 4, the starting point a where the guide rod <21 (1) fits when the release element (+7+ returns) and the end point where the guide rod (21 d) comes into contact when the release element ■ is pressed up to IA Hiragi. , guide rod (21d)
The stopping point C, which prevents the release force from returning when the release element a reaches the end point b, and the return point d, where the guide rod (21d) rides on due to the suppression at the stopping point C, are set on a road surface with different depths. It was formed into a loop shape to form a so-called butshubutshu path.

To explain its operation, as shown in Figure 3a, the operator (3)
The stepped portion 01) of the operation panel presses the operator (3) against the spring (IG) from the OFF position where it is applied to the front wall of the housing (9) by the spring (IO) as shown in Figure 3. When the corresponding operator (3)
opens the on-off valve (6) and presses the switch (8) to ignite the burner (4). At this time, the locking member (12) claw piece a9 that was attached to the side of the operator (3) Step 0
to lock the operator (3) in the on position. When the release element (17) is pressed to the middle just before the end guide rod (21d) comes into contact with the guide rod (21d) provided on the guideway (21b), the contact piece (2) of the release element (+7) is pressed against the locking member. (I
When the pressing piece aθ of Z is pressed to release the lock of the lock member (IZ), the operator (3) returns and stops the combustion of the burner (4), and the release element (+7) is When the guide rod (21d) is pressed until it comes into contact with the end point provided on the path (21b), the guide rod (21d) is locked at the stop point C and stops the return of the release element (171). Then, the contact piece (■) of the release element (+7) further presses the pressing piece (le) of the locking member ab, and as shown in FIG. The operation of the operator (3) of the cover, which is held so as to loosen the cover, to the on position is not locked and the operation of the operator (3) is invalidated.

Figures 5 and 6 show the second embodiment. Unless the same members as in the first embodiment are denoted by the same reference numerals, the operator (3) has a loop shape on its side via a cam body (3). A guideway (2) is provided, and the locking member ab is formed into a guide rod that snaps into engagement with the guideway (2) at a spring (1 m), and the locking member (+21) engages with the stop point a of the guideway (2). When the operator (3) is pressed against the spring (
When the locking member 0 engages with the open position of the guideway ■ due to the compression against the springing of the spring (IO), the operator (3) engages the spring a. It is stopped in the resisted on position, and the stopped position is released by sliding the sliding rod @ whose one end is engaged with the locking member G, and the sliding of the sliding rod c2@ is caused by the release element 0. The release element (17) is engaged with the cam protrusion (2) provided on the sliding rod (21d) and the pin (21d) provided on the guide path (21b). ) until it comes into contact with the cam protrusion ■ and the locking member Q21 comes off the guideway ■. Return to the off position and then release the release button (+7
1 to the end point provided on the taxiway (21b).
When locking the guide rod (21d) at the stop point C of the taxiway (21b) by pressing the guide rod (21d) until it makes contact with the guide rod (21d), the bottle ■ rides up on the cam protrusion ■ and moves the locking member (lb) from the taxiway ■. The sliding rod [phase] is held in the detached position so that the operation of the operator (3) to the on position is not locked and is invalidated.

In this case, in order to disable not only the locking of the operator (3) to the on position, but also the ignition circuit, the ignition circuit is equipped with a normally open switch (8) that is pressed by the operator (3). ) is provided with a normally closed switch which is pressed by a sliding rod. In the figure, ■ indicates a battery, ■ indicates a sparker, and ■ indicates a pilot burner.

FIG. 7 shows the third embodiment, and the same members as in the first embodiment are denoted by the same reference numerals. It is engaged with the provided bottle (■) and pulled downward by a spring (2) also provided on the fixed frame, and its invalid holding mechanism (2) consists of a locking pawl (21e) protruding from the lower side of the release element (2) and an operating barrel (9). It is formed with a stopper (21f) provided inside, and is shown in Fig. 7a.
After the operation to the OFF position, as shown in Figure 7, when the locking claw (21e) of the release element aD is pressed until it comes into contact with the stopper (21f), the contact piece (2) is pressed against the pressing piece ae of the locking member dZ.
is pressed to disengage the locking member Oz, and as shown in FIG.
21f), the locking member a is further rotated and its claw piece a9 does not engage with the operator (3), so the operation of the operator (3) to the on position is not locked. This becomes invalid, and the engagement between the locking claw (21e) and the stopper (21f) is released by upward movement of the release element Q71 against the spring aδ.

FIG. 8 shows the fourth embodiment, and the same members as in the first embodiment are denoted by the same reference numerals.
includes a locking piece (21h) that is resiliently rotated counterclockwise by a spring (21o) and engages with a step agl provided on the release element (+7); ) and a locking member (21j
) and a second release element (21k) to press the suppressing piece (21i) of the locking member (21j). When the release button (+71) is pressed as shown in FIG. When pressing until the locking piece (2 pieces) of the invalid holding mechanism ■ engages with the stepped part (+!11), the locking member (+21 is further rotated and its claw piece a!il is the operator (3) The operation of the operator (3) to the on position is not locked and becomes invalid, and the step part (11+ and the locking piece (21h)
) is released by pressing the second release element (21k).

Fig. 9 shows the fifth embodiment, and the same members as in the first embodiment are indicated by the same reference numerals. A second claw piece (2) is provided to engage, and when the release element (+7) is moved from the off position shown in FIG. 9a to the on state shown in FIG. (21b), the locking member a is released, but the guide rod (21d) moves the releaser ■ to the guideway (21).
When the pressure is pressed until it stops at the end point of b), the second claw piece ■ engages with the second step part ■, as shown in FIG. The engagement of ■ and the second claw piece ■ is as follows:
Further, the guide rod (21d) is released from the lock at the stop point C by pressing the release element α, thereby releasing the guide rod (21d).

FIG. 10 shows a sixth embodiment, and the same members as in the first embodiment are denoted by the same reference numerals as the release element 0'? ) is formed with a rotating shaft and a pressing member (121) is formed with a rotating shaft.
The contact piece (■) that comes into contact with e is formed by using a cylindrical cam, and the invalid holding mechanism (■) consists of a disc (211) fixed to the rotating shaft and an engagement groove (21 m) provided on the outer periphery of the disc (211). ) and an engaging 1F piece (21N) that engages with the engaging groove (21m), and when the release element (17) is rotated for the first time as shown in FIG. The protrusion comes into contact with the suppressing piece 0G to unlock the locking member (121), and then press the release element (+7) so that the locking piece (21n) engages with the retaining groove (21m) as shown in ), the top of the contact piece (■) of the cylindrical cam further presses the pressing piece (le), and the second claw piece (■) of the locking member 0 engages with the second step (■) of the C operator (3). The operation element (3) is thus prevented from being depressed, and the engagement between the stepped portion (2) and the claw piece (to) is released by the return rotation of the release element (09).

As described above, according to the present invention, the release element that releases the engagement between the operator to be turned on and off and the lock member that engages in the on position of the operator is provided with a release element that releases the engagement between the operator and the lock member. Since the device is equipped with an invalidation position holding mechanism, the operation of the operator can be invalidated only by operating the release button, so that the Tyreildbruch can be performed without increasing the number of operation buttons, and the operation is easy. It has the effect of becoming.

[Brief explanation of drawings]

Fig. 1 is a low-level side view of the main part of an example of a gas stove equipped with the device of the present invention, Fig. 2 is a sectional view taken along line 1 [-1r], and Fig.
The figure is an operation explanatory diagram with the slope shown in Figure 2, Figure 4 is an enlarged view of the taxiway, Figure 5 is a plan view showing the second embodiment, and Figure 6 is a slope of the main part of Figure 5. Figure 7 is an operational explanatory diagram showing the third embodiment as a slope, Figure 8 is an operational explanatory diagram showing the fourth embodiment as a slope, and Figure 9 is an operation explanatory diagram showing the fifth embodiment as a slope. FIG. 10 is an operation explanatory diagram showing the sixth embodiment as a slope. (3)...Controller (121...Lock member (
+71...Release element ■...Invalid position holding mechanism Fig. 6 Fig. 7 a No. 92 No. 10

Claims (1)

[Claims] an operating element that takes two positions: an off position in which it is returned by a spring and an on position that resists the spring; a locking member that snaps into engagement with the operating element in the on position of the operating element; and the operation of the locking member. In the operating device, the operating device includes a release element that releases the elastic engagement between the lock member and the operating element, wherein the lock member is pressed against the release element to disable the elastic engagement between the lock member and the operating element. An operating device characterized by being provided with.