KR19980021844A - Adjustment knob for gas appliances - Google Patents

Abstract

The gas appliance control knob according to the present invention is characterized in that, in a gas appliance having a valve for controlling the flow rate of the gas supplied by the rotation of the valve shaft, it is possible to maintain the position of the knob selected by the adjusting knob itself. It is about.

The structure of the adjustment knob according to the present invention is a valve having a valve shaft for controlling the supply amount of gas by rotation, a knob connected to rotate with the valve shaft to perform ignition and fire control, and selected of the knob It is composed of holding means for maintaining the rotation position. And the holding means is a knob that rotates like a valve shaft and has a thermal power adjustment projection, elastic means for elastically supporting the knob, and a thermal power adjustment guide groove into which the thermal power adjustment projection of the knob is fitted by the elastic means; It is composed of an outer casing having a fire extinguishing guide groove, so that the configuration of the valve is simplified since the device for fixing the knob and the valve shaft in the selected rotational position does not have to be implemented in the valve.

Description

Adjustment knob for gas appliances

1 is an exploded perspective view of a conventional rotary knob and valve.

2 is a side view of a conventional adjusting knob.

3 is an exploded perspective view of a conventional push button type button and valve.

4 is an exploded perspective view of a control knob according to the present invention.

5 is a front view of the coupling state of the control knob according to the present invention.

6 is a sectional view of the extinguishing state of the adjusting knob according to the present invention.

7 is a cross-sectional view of the ignition state of the adjustment knob according to the present invention.

Explanation of symbols for the main parts of the drawings

12 ... valve 12a ... valve shaft

14 ...... Knob Huller l6 ...... Spring

l8 Knob knob 18a Knob

18b ... Shaft insert 20 ... Push knob

20a ...... Thermal power control projection 20c ...... recess

22 ...... Outer casing 22a ...... Extinguishing guide groove

22b ...... Fire control guide groove

The present invention relates to a structure of a control knob for ignition and fire power control of a gas machine, and more particularly, by implementing the position maintaining device of the control knob to maintain the heat stage selected by the control knob in the control knob itself, It relates to a configuration of the control knob that can simplify the configuration of the valve to control the.

As a control knob for ignition and thermal power control in a gas appliance that burns gas, rotary type and push button type ones are used depending on the structure of a valve for controlling the amount of gas. FIG. 1 shows a rotary knob of the rotary type, which controls ignition and fire power according to the rotation of the knob 1. As shown in FIG. The configuration is composed of a valve (2) having a control knob (1) rotatably mounted on the front panel of the gas machine, and a valve shaft (3) which rotates in conjunction with the control knob (1). As shown in FIG. 2, the adjustment knob 1 is provided with a shaft inserting portion 4 which is configured to engage with the valve shaft 4 and to interlock with each other. The operation of the rotary control knob 1 is rotated while pressing the control knob 1 to ignite, and the control of the fire power in the ignited state selects an appropriate fire power by rotating the control knob 1. It is supposed to be.

The valve 2 has a structure in which a corresponding amount of gas is supplied to the inside of the valve 2 by the valve shaft 3 rotating together by the rotation of the adjustment knob 1, and the valve 2 It is equipped with a kind of fixing device for maintaining the thermal power selected by the rotation of.

According to such a conventional rotary knob, it is pointed out that the complexity of the valve and the external design are limited. That is, there is a limitation in the appearance of the design by the driving type and structure determined by the valve, and in the valve, apart from the control mechanism of the gas supply amount, to maintain the thermal control step defined by the regulating knob 1 as it is. It has the disadvantage that the configuration of the valve is complicated because it has a mechanism for. By looking only at the state of the adjusting knob 1, it is not possible to distinguish whether the current gas appliance is in an ignited state or in a fired state.

And, as shown in Figure 3, the conventional push button type structure, when looking at the ignition button (6) for performing the ignition of the gas machine by pressing and installed in the front panel (9) rotatably forward and backward, and A valve (7) having a valve shaft (8) which is pushed by the push operation of the ignition button (6) and an adjusting piece (10) for adjusting a gas flow rate for controlling thermal power therein; It comprises a thermal control knob (5) mounted to the front panel (9) to perform the thermal control while moving (10) left and right. Here, it will be appreciated that the valve 7 is different in structure from the above-described rotary valve.

According to such a structure, heat control is performed by moving the heat control knob 5 to the left and right in the state which pushed the said push button 6 and ignited. Therefore, in the valve 7, a separate device for adjusting the flow rate of the gas flowing out by the left and right movement of the thermal power control knob 5, and to maintain a constant thermal power selected by the thermal power control knob (5) The disadvantage is that the configuration of the valve is complicated because the adjusting piece 10 is provided with a device for maintaining the state at the same time.

As described above, in the conventional rotary type and pushbutton type adjusting knobs, since the shape and operating structure of the adjusting knob are determined according to the valve structure, the appearance design of the adjusting knob and the aesthetics of the front panel portion (for example, For example, the adjustment knob always has a protruding state toward the front, and so on. In addition, since the apparatus for maintaining the thermal power stage selected for the thermal control is configured inside the valve has a common disadvantage that the valve is complicated as described above.

An object of the present invention is to provide a regulating knob for a gas appliance that can simplify the configuration of a valve.

Another object of the present invention, it is possible to know whether the gas appliance is in the ignition state in the state of the control knob, to provide a control knob that is smoothly operated by reducing the rotation torque load during the rotation of the control valve.

The control knob according to the present invention for achieving the above object, the valve having a valve shaft for controlling the amount of supply of gas by rotation, and the knob is connected to rotate with the valve shaft to perform ignition and fire power control, And holding means for maintaining the selected rotational position of the knob. Since the retaining means are embodied in the regulating knob itself, it is possible to omit such a configuration from the valve.

And the holding means is a knob that rotates like a valve shaft and has a thermal power adjustment projection, elastic means for elastically supporting the knob, and thermal power adjustment guide groove into which the thermal power adjustment projection of the knob is fitted by the elastic means; An example of an outer casing having a fire extinguishing guide groove is disclosed.

According to the present invention, it is possible to simplify the configuration of the valve, it is also possible to configure the adjustment knob so as not to protrude forward, and furthermore, there is a feature that enables smooth rotation of the adjustment knob, These features of the present invention will become more apparent from the following description with reference to the examples.

The adjustment knob according to the present invention includes a valve 12 having a valve shaft 12a, a dial knob 18 for controlling thermal power by rotating the valve shaft 12a, and the dial knob 18. Rotate as described above and having a push knob 20 having a plurality of thermal selection projection (20a), the extinguishing guide groove (22a) and the thermal control guide groove (22b) is coupled to the thermal selection projection (20a) It comprises a casing 22 and a spring 16 for elastically supporting the push knob 20 to the outer casing 22 side.

Inside the valve 12 having the valve shaft 12a, a separate gas flow control device (not shown) is provided for supplying a gas corresponding to the selected thermal power according to the rotation of the valve shaft 12a. . The valve shaft 12a is fixed while being inserted into the rear shaft inserting portion 18b of the dial knob 18 so that the valve shaft 12a can rotate like the dial knob 18.

The dial knob 18 rotates together with a handle portion 18a for holding and rotating by the user and a valve shaft 12a extending rearward from the handle portion to fix the valve shaft 12a therein. And a shaft inserting portion 18b. In the shaft insertion portion 18b, the insertion position into the push knob 20 to be described later is determined, and the positioning projection 18d for rotating like the push knob 20 and the knob holder 14 are coupled to the front. The locking projections 18c for preventing the separation are molded.

And a spring 16 for elastically supporting the dial knob 18 forwardly is interposed between the valve 12 and the push knob 20 to maintain the extinguished state or the selected fire power. It is a state which presses 20 forward. In this embodiment, the spring 16 is inserted between the outer casing 22 and the knob holder 14 coupled to and fixed to the rear end and the push knob 20. The knob holder 14 has a through hole 14a into which the shaft insertion portion 18b is inserted into the center portion, and a fastening groove 14b formed at the outer periphery of the rear end to be engaged with the outer casing 22. Equipped. In the state where the shaft insertion portion 18b of the dial knob 18 is inserted into the through hole 14a, a locking projection 18c formed at the rear end of the shaft insertion portion 18b is formed of the through hole 14a. Engaged in the peripheral portion of the rear surface, the dial knob 18 is no longer protruded forward by the spring 16.

The push knob 20 is configured to allow the dial knob 18 to be rotated by inserting the dial knob 18 in the center thereof, and is provided with a position holding means for maintaining a selected fire state or fire state. The push knob 20 has a recessed portion 20c which is recessed in the central portion of the front for accommodating the dial knob 18, and the shaft insertion portion 18b of the dial knob 18 is disposed on the recessed portion 20c. 20 d is formed in which through hole is inserted. In addition, the positioning projection 18d of the shaft insertion portion 18b is easily inserted into the peripheral portion of the through hole 20d, thereby facilitating the insertion position of the dial knob 18, and the dial knob 18 ) And the push knob 20 are provided with a positioning groove 20b for rotating together, and a thermal power control projection 20a is formed at the outer periphery. The push knob 20 is in a state of being supported forward by the spring 16, so that the fire control protrusion 20a is substantially extinguished by the elasticity of the spring 16 to guide the extinguishing guide of the outer casing 22. If the user is caught in one side of the groove (22a) or the thermal power control guide groove (22b), that is, the fire or ignition state, the ignition state, it is possible to maintain a state in which the appropriate heat control is performed.

Next, the outer casing 22 will be described.

The outer casing 22 is fixed to the front panel (not shown) of the gas appliance, and in front of it, the flame state to be selected by the rotation operation of the dial knob 18 (the degree of fire power if the fire state or the ignition state) is selected. Indicator is displayed. The outer casing 22 has a cylindrical shape as a whole so that the above-described member can be operated while being inserted therein, and on the outer periphery of the rear end, the fastening groove 14b of the knob holder 14 is provided. The fastening protrusion 22c which is caught and fixed to it is shape | molded. In addition, the rear end peripheral portion of the outer casing 22, the fire extinguishing guide groove (22a) and the fire control guide groove (22b) that the thermal power control projection 20a of the push knob 20 can be caught by the elasticity of the spring (16). The appropriate number is molded. The depth of the digestion guide groove (22a) is formed deeper than the thermal control guide groove (22b).

5 to 7, the completed state of the control knob according to the present invention will be described.

First, as shown in Figure 5, the adjustment knob according to the present invention, the dial knob 18 for use by the user to rotate, it is coupled to the inside so that it can rotate like the push knob 20. The push knob 20 is rotatably mounted in the fixed outer casing 22.

As shown in FIG. 6 and FIG. 7, the outer casing 22 has the knob holder 14 by engaging the fastening protrusion 22c of the rear end part with the fastening flaw 14b of the knob holder 14. As shown in FIG. To the rear end of the outer casing 22 to form a knob housing, so that the knobs 18 and 20 are elastically supported therein. In addition, when the dial knob 18 is inserted into the push knob 20 and coupled thereto, the locking protrusion 18c of the rear end of the dial knob 18 passes through the through hole 14a of the knob holder 14. In the state where the locking projection 18c penetrates the through hole 14a of the knob holder 14, the locking projection 18c is in a state of being spread over the back surface thereof.

At this time, the dial knob 18 is supported by a step between the handle portion 18a and the shaft insertion portion 18b so that the rear surface of the handle portion 18a hits the front surface of the center of the push knob 20 and is no longer inserted. It is in a state to become.

In this state, when the spring 16 is interposed between the knob holder 14 and the push knob 20, the push knob 20 is in a state that is elastically supported forward by the spring.

6 shows the extinguishing state of the gas appliance. In this state, the thermal power control projection 20a of the push knob 20 is seated in the digestion guide groove 22a of the outer casing 22, and the push knob 20 is moved forward by the spring 16. It is elastically supported and has the same surface as the outer casing as a whole.

In this state, when the user attempts to rotate the dial knob 18 for ignition, the push knob 20 is pushed backward by the user's hand, and the thermal power control projection 20a is pushed backward and the It is separated from the digestion guide groove (22a). In this state, turning the dial knob 18 in a constant direction causes ignition. And when the user releases the dial knob 18 in the ignition state, at the same time as the ignition, the thermal adjustment projection 20a of the rear outer periphery of the push knob 20 is formed at the rear end of the outer casing 22. The combustion of the gas will be performed in a state seated by the force of the spring 16 in the thermal control guide groove (22b).

In this case, in order to adjust the thermal power of the gas appliance, when the dial knob 18 is rotated by a predetermined angle to rotate, the thermal power adjustment protrusion 20a is seated in a desired flaw among the plurality of thermal power control guide grooves 22b, and thus In addition, the valve shaft 12a, which cooperates with the rotation of the dial knob 18, is rotated in a predetermined direction, thereby substantially operating the gas flow rate adjusting device inside the valve 12, thereby controlling the desired amount of gas outflow. And since the fire extinguishing guide groove (22a) is formed deeper than the thermal control guide groove (22b), as shown in Figure 7 in the ignited state, the push knob 20 is constantly from the front to the rear The pushed-in state is maintained, so that the user can easily know that this is the ignition state. In the above embodiment, the plurality of thermal control guide grooves 22b are formed at the rear end of the outer casing 22 independently, that is, at an angle of 90 degrees to the rear end surface of the outer casing 22, respectively, and separately molded to the front side. The illustrated embodiments are shown, but are not limited to these examples. That is, it may be possible to configure the rotation adjusting groove 22b to have a same depth and to rotate the dial knob 18 more smoothly by being connected to each other in a curved surface.

According to the present invention configured as described above, the ignition is made by rotating the dial knob 18 while pushing the push knob 20 by the operation of holding the dial knob 18 during ignition, to control the fire power of the gas machine By rotating the dial knob 18, it is possible to maintain the supply amount of gas corresponding to the fire power selected by the push knob 20 itself. That is, the thermal power control projection 20a of the push knob 20 can maintain such a state in the state in which the valve shaft 12a is rotated by rotating the dial knob 18 by the amount corresponding to the selected gas supply amount. It is fastened to the thermal power control projection 22b of the outer casing 22 to maintain the state.

Therefore, using the structure of the adjustment knob according to the present invention, the valve structure for controlling the gas supply amount is simplified because the internal device for maintaining such a state in the state selected by the adjustment knob is not necessary, thus simplifying Correspondingly, it is possible to simplify the valve assembly process and lower the production cost.

In addition, when the user rotates the dial knob to control the thermal power, since there is no part that functions to maintain the thermal power control step inside the valve, the rotation torque caused by the component is reduced, thereby enabling smooth and smooth rotation of the dial knob. There is an advantage to it.

In addition, in the design of the push knob and the dial knob, it is possible to have a structure in which the knob portion of the knob does not protrude to the outside of the outer casing. Benefits are expected.

Claims (6)

A valve having a valve shaft whose supply amount of gas is controlled by rotation; A knob connected to rotate with the valve shaft to control ignition and fire power; And a holding means for holding the selected rotational position of the knob. 2. The apparatus of claim 1, wherein the retaining means comprises: a knob that rotates like a valve shaft and has a thermal power control projection; Elastic means for elastically supporting the knob; And an outer casing having a fire control guide groove and a fire extinguishing guide groove into which a heat control protrusion of the knob is fitted by the elastic means. The method of claim 2, wherein the knob; A dial knob that rotates like a valve shaft and a push knob that rotates with the dial knob; The push knob is provided with a thermal control projection, the structure of the control knob of the gas machine is elastically supported by the elastic means. 4. The structure of claim 3, wherein the dial knob is inserted to rotate together through a recess formed in front of the push knob, so as not to protrude forward. 5. The structure of claim 3 or 4, wherein the elastic means is interposed between the knob holder fastened to the rear of the outer casing and the push knob to elastically support the push knob to the outer casing side. . The gas knob of claim 5, wherein the rear end of the dial knob is engaged with the rear surface of the knob holder to prevent the vehicle from being moved forward while the rear end of the dial knob stops through the knob holder. Structure.