KR200223878Y1 - Electric heater safety switch - Google Patents

Abstract

The present invention relates to an electric stove safety switch, and when the electric stove is inclined or falls due to user's carelessness, it can more accurately detect the electricity and automatically cut off the power supply of the electric stove to effectively prevent the fire in advance. The purpose is to provide a stove safety switch. In order to achieve the above object, the present invention is an electric stove safety switch installed inside the electric stove so as to prevent the fire by automatically blocking the power supply of the electric stove when the electric stove is tilted or fell, the inside of the electric stove A case installed and having a storage space formed therein; A lid installed on an upper side of the case so as to open and close the case; An up and down moving pin installed in a lower side of the case so as to be movable up and down; It is seated on the inner bottom surface of the case consists of a metal ball for pressing the up and down moving pins downwards and a pair of energizing leads that are elastically selectively contacted when the up and down moving pins are pressed down by the metal ball.

Description

Electric stove safety switch {ELECTRIC HEATER SAFETY SWITCH}

The present invention relates to an electric stove safety switch, and more specifically, the electricity supply lead is installed in the lower side of the case to be elastically selectively contacted by the weight of the metal ball is more precisely detect the inclination or fall of the electric stove The present invention relates to an electric stove safety switch that can prevent a fire in advance without a malfunction.

In general, the stove used for heating in winter can be divided into oil type, gas type, electric type according to the type of fuel, and can be divided into blowing type and direct heating type according to the heating method. Among them, the direct heating electric stove (electric stove) is not only simple to install, but also easy to move and has no smell due to combustion.

Inside the electric stove is provided with a safety switch to prevent the fire in advance to automatically cut off the power supply of the stove when the stove falls due to carelessness of the user.

1 is a view illustrating a state of use of a conventional electric stove safety switch, a side view of a state in which an electric stove is horizontally positioned, FIG. 2 is a view of a state of use of a conventional electric stove safety switch, a side view of an inclined state of an electric stove to be.

First, as shown in Figure 1, the conventional electric stove safety switch is installed so that the push button 12 can be elastically pressed on the lower side of the stove 10, the stove 10 is positioned horizontally In this case, the push button 12 is pushed upward by the indoor floor so that power is continuously supplied to the stove 10. In this state, when the stove 10 is inclined or falls due to user's carelessness, as shown in FIG. 2, the push button 12 that is elastically pressed on the floor of the room protrudes downward, thereby The power supplied to 10 is automatically cut off.

However, the conventional electric stove safety switch provided with a push button on the bottom side of the stove to be pressed by the indoor floor in this way, if the indoor floor surface is uneven, for example, if the indoor floor surface is uneven, the push button is the indoor floor surface. There is a problem that the heater of the electric stove does not operate because the power supply terminal of the electric stove is disconnected because it is not inserted into the fine part of the electric stove.

In order to solve the above-mentioned problem, there has been recently proposed an electric stove safety switch for allowing the spring terminal to selectively contact or disconnect by the flow of the iron ball.

3 is an exploded perspective view showing another electric stove safety switch according to the related art, FIG. 4 is a view illustrating a state of use of another conventional electric stove safety switch, a side cross-sectional view of a state in which the electric stove is horizontally positioned, and FIG. The use state of a safety switch is shown, and it is a sectional side view of the electric stove inclined state.

First, as shown in FIG. 3, the conventional electric stove safety switch 20 is horizontally positioned inside the electric stove and at the same time a predetermined storage space 22 is formed therein, and a case ( The lid 28 coupled to the hinge 26 on the upper side of the case 24 so as to open and close the storage space 22 of the 24, and is accommodated in the storage space 22 of the case 24 to be movable The iron ball 30 and the housing space 22 of the case 24 is fixedly installed on the lower side of the contact projection 32 (shown in Figure 4) is formed and the upper terminal 34, 36 is When the one side is pressed upward due to the flow of the metal ball 30 and the tact switch 38 formed and the iron ball 30, the other side of the contact projection 32 of the tact switch 38 It is provided with a rotation lever 42 which is installed a hinge 40 on the lower side of the text switch 38 to press the).

4 and 5, the operation of the conventional electric stove safety switch will be described.

First, as shown in FIG. 4, when the electric stove 50 is positioned horizontally, that is, when the electric stove is normally positioned, the case 24 is also positioned horizontally, and the case 24 is located inside the case 24. Since the metal ball 30 is positioned on the inner bottom surface of the case 24 and does not contact the pivoting lever 42, the contact protrusion 32 of the tact switch 38 is not pressed. Accordingly, the terminals 34 and 36 of the tact switch 38 are connected to each other so that power is continuously supplied to the electric stove 50.

On the contrary, as shown in FIG. 5, when the electric stove 50 is tilted or fallen, the case 24 is also tilted or fell so that the iron ball 30 located inside the case 24 is inclined (30a). Is moved along. At this time, the metal ball 30 presses the rotation lever 42 located above the metal ball 30 upwards to rotate the rotation lever 42 around the hinge 40. Due to the rotation of the rotation lever 42, the contact projection 32 of the text switch 38 located above the rotation lever 42 is pressed upward. Accordingly, the terminals 34 and 36 of the tact switch 38 are disconnected to cut off the power supply to the electric stove 50.

However, the conventional electric stove safety switch is configured to be operated by selectively pressing the tac switch as the rotation lever is rotated, it is difficult to assemble because it must be equipped with a separate tex switch made of assembly, thereby reducing productivity There is a problem.

The present invention is to solve the above problems, when the electric stove is inclined or falls due to the carelessness of the user, it is possible to effectively prevent fire by automatically detecting the power supply of the electric stove by detecting more precisely. The purpose is to provide an electric stove safety switch.

In order to achieve the above object, the present invention is constructed as follows. That is, in the electric stove safety switch is installed inside the electric stove so as to prevent the fire by automatically shutting off the power supply of the electric stove when the electric stove is inclined or falls, it is installed inside the electric stove and the storage space therein The case is formed, the lid is hinged to the upper side of the case to open and close the case, the vertical movement pin is installed to be able to flow up and down through the inside of the lower side of the case, seated on the inner bottom surface of the case It consists of a pair of electricity supply leads to elastically selectively contact when the up and down moving pin is pushed downward, the up and down moving pin is pressed downward by the metal ball.

1 is a view showing a state of use of a conventional electric stove safety switch, a side view of a state in which the electric stove is positioned horizontally.

Figure 2 is a view showing a state of use of the conventional electric stove safety switch, side view of the electric stove inclined state.

Figure 3 is an exploded perspective view showing another conventional electric stove safety switch.

Figure 4 is a side cross-sectional view showing a state of use of another conventional electric stove safety switch, the electric stove is in a horizontal position.

Figure 5 is a side cross-sectional view showing a state of use of the conventional electric stove safety switch, the electric stove inclined state.

Figure 6 is an exploded perspective view showing an electric stove safety switch according to the present invention.

Figure 7 is a perspective view showing an electric stove safety switch according to the present invention.

8 is a side cross-sectional view showing a state of use of the electric stove safety switch according to the present invention, the electric stove is in a horizontal position.

Figure 9 is a side cross-sectional view showing a state of use of the electric stove safety switch according to the present invention, the electric stove inclined state.

* Symbols for the main parts of the drawing *

100: electric stove safety switch 110: case

112: storage space 114: bolt ball

116: seating groove 118: inclined surface

120: lid 122: hinge

130: Up and down movement 132: Nut

140: 150, 150a: lead for electricity

160: molding 162: bolt ball

170: Bolts

Hereinafter, with reference to the accompanying drawings will be described in detail for the electric stove safety switch according to an embodiment of the present invention.

Figure 6 is an exploded perspective view showing an electric stove safety switch according to the present invention, Figure 7 is a combined perspective view showing an electric stove safety switch according to the present invention, Figure 8 shows the use state of the electric stove safety switch according to the present invention. 1 is a side cross-sectional view of the electric stove in a horizontal position, Figure 9 is a side cross-sectional view of the electric stove inclined state showing the state of use of the electric stove safety switch according to the present invention.

First, as shown in FIGS. 6 and 7, the electric stove safety switch 100 of the present invention is installed in an electric stove and has a case 110 in which a storage space 112 is formed therein, and A lid 120 installed at an upper side of the case 110 so as to open and close the case 110, and a vertical movement of the upper and lower sides of the case 110 through which the upper and lower sides of the case 110 are installed. The pin 130, seated on the inner bottom surface of the case 110 and pushes the vertical movement pin 130 downward, and the vertical movement pin 130 by the iron ball 140, When pressed downwards, it consists of a pair of energizing leads 150 and 150a that are elastically and selectively contacted.

Referring to the above-described components of the present invention in more detail, first, the case 110 is fixedly installed inside the electric stove, and a predetermined storage space 112 is formed inside the case 110.

The lid 120 is coupled to the hinge 122 on the upper side of the case 110 to selectively open and close the case 110.

The vertical movement pin 130 is installed to be able to flow up and down through the inner side of the case 110, the nut to prevent the separation of the vertical movement pin 130 at the end of the vertical movement pin 130 132 is integrally coupled.

The iron ball 140 has a predetermined weight and is seated on the inner bottom surface of the case 110 so as to press the vertical movement pin 130 downward.

The conductive leads 150 and 150a are formed in pairs, and when the up and down moving pins 130 are pressed downward by the metal ball 140, they have predetermined intervals in a plate shape so as to be selectively contacted with elasticity. Nested. The moldings 160 accommodating the same are positioned outside the electricity supply leads 150 and 150a, and the moldings 160 are fixed to the bolts 170 at the lower side of the case 110.

The assembly of the electric stove safety switch according to a preferred embodiment of the present invention configured as described above will be briefly described with reference to FIGS. 8 and 9.

First, in a state where the molding 160 is positioned below the case 110, the bolt 170 is penetrated through the bolt holes 114 and 162 to couple the molding 160 to the case 110. The metal ball 140 is accommodated in the storage space of the case 110 to be seated in the seating groove 116 of the case 110. In this state, the lid 120 is closed to close the storage space 112 of the case 110. The electric stove safety switch 100 assembled in this way is installed horizontally fixed to one side of the electric stove 200, and at the same time the power supply device (not shown in the drawing) is connected to the electricity supply leads (150, 150a). .

On the other hand, below, the state of use of the electric stove safety switch of the present invention will be described with reference to Figs.

First, as shown in FIG. 8, when the electric stove 200 is horizontally positioned, the metal ball 130 in the storage space 112 of the case 110 is closely attached to the seating groove 116. Since the up and down moving pins 130 are pressed down by the metal ball 140 to maintain the state. At this time, the end of the up and down moving pin 130 is in contact with the one-side electricity supply lead 150 and at the same time pressurizes the one-side electricity supply lead 150 downward. Due to the pressurization of the vertical movement pin 130, one of the leads 150 for the electricity supply 150 and 150a is elastically contacted with the lead for the other electricity supply 150a.

Power is supplied to the electric stove 200 by contacting the lead for one side electricity supply 150 and the lead for the other power supply 150a mutually.

On the contrary, as shown in FIG. 9, when the electric stove 200 is inclined or falls due to user's carelessness, the case 110 is inclined and the iron ball 140 accommodated inside the case 110 is inclined. It moves along this inclined surface 118.

At this time, due to the movement of the metal ball 140, the one-side electricity supply lead 150 that is elastically pressed by the metal ball 140 is restored to its original position by the elastic restoring force.

At this time, one side of the lead for electricity 150 and the other side of the lead 150a are separated from each other, the power supply of the electric stove 200 is automatically cut off to effectively prevent fire.

On the other hand, the present invention has been described as a preferred embodiment shown in the drawings as an example, which is merely exemplary, those of ordinary skill in the art that various other embodiments are possible from this.

As described above, the present invention has the effect of improving the productivity by reducing the production cost and simple assembly of the components.

Claims (1)

In the electric stove safety switch installed inside the electric stove to prevent the fire by automatically shutting off the power supply of the electric stove when tilting or falling, A case installed inside the electric stove and having an accommodation space formed therein; A lid installed on an upper side of the case so as to open and close the case; An up and down moving pin installed in a lower side of the case so as to be movable up and down; A metal ball seated on an inner bottom surface of the case and pressing the vertical movement pin downward; When the up and down moving pin is pressed downward by the metal ball, an electric stove safety switch, characterized in that consisting of a pair of energizing leads that are elastically selectively contacted.