KR200140986Y1 - Safety locking instrument for electric pressure rice cooker - Google Patents

Abstract

The present invention relates to a safety locking device of an electric pressure warming rice cooker cooked at high pressure while cooking and warming function by a power source. When opening and closing, a separate lid rotation function should be performed, so it has a very complicated structure, and there is a variety of problems such as a gap between the cooker body and the heater to lower the energy efficiency because the coupling is not firmly coupled. The present invention is a safety lock of the electric pressure thermostat rice cooker to ensure the safety and easy opening and closing function by allowing the multi-stage switchgear to be operated in conjunction with each other without a process such as the rotation of the lid, the hinge portion of the body and the lid It is coupled to each other by the opening and closing, the inner portion of the body is provided with a heater that is a self-heating means for heating and warming function, the inner portion is formed in the flange in a smooth form of the inner pot; The fastening plate is provided in the lid portion coupled by the body portion and the hinge pin, is inserted into the operation groove formed in the bent both ends of the fastening plate and is installed to open or retract simultaneously to both sides of the left and right sides of the flange of the inner pot A primary fastening member provided with a fastening piece on the flange and a concentric arc so as to be caught or released; Can be operated only in the release state of the primary fastening member, the other side corresponding to the hinge portion of the one side of the fastening plate coupled to the body portion and the lid portion on the other side of the fastening function of the outer lid by directly engaging the outer case of the body portion Consists of a secondary fastening member having a locking plate to be made, by the safety rod for controlling the operation of the primary fastening member is characterized in that the opening function of the lid is made only under a safe pressure state.

Description

Safety lock of electric pressure rice cooker

1 is a perspective view showing the overall structure of the present invention.

Figure 2 is a front sectional view showing an internal configuration of the present invention.

Figure 3 is an exploded perspective view showing the main configuration of the present invention.

4 is a cutaway view showing the main portion of the lid portion of the present invention, (a) shows the configuration of the hinge and the front fastening portion. (a) shows the configuration of the left and right locking members, (b) is a partial cutaway plan view showing the operating state of the locking member.

Figure 5 is a longitudinal cross-sectional view showing the operating state of the signal weight configuration and locking device of the present invention,

(a) is a locked state in which pressure exists inside the pot.

(b) is the opening operation state where all the pressure is sold in the pot.

Figure 6 is a cross-sectional side view showing the operating state of the locking device of the present invention,

(a) is a locked state in which pressure exists inside the pot.

(b) is the opening operation state where all the pressure is sold in the pot.

7 is a cross-sectional view showing the configuration of the signal member of the present invention,

(a) is the state where the pressure is inside the signal rod is raised.

(b) is the state that there is no pressure inside.

8 is a perspective view showing a coupling structure of a conventional general pressure cooker.

* Explanation of symbols for main parts of the drawings

100: lid 110: fastening table A

111: Fastening piece A 112: Cam operating piece A

113: outer surface A 115: tension spring

120: fastening table B 121: fastening piece B

122: cam operating portion B 123: outer surface B

124: long hole 130: fastening plate

131: hinge pin 132: working groove

133: buffer spring 134: hook groove

140: vertical button 141: operating table

142: inclined operating surface A 143: return spring

150: horizontal button 151: operation cam

152: inclined operating surface B 153: locking jaw

160: outer lid 161: inner lid

162: packing 170: locking plate

171: jam piece 172: open piece

173: locking stone 174: working shaft

175: compression spring 180: signal member

181: nozzle 182: signal weight

183: release cap 184: piston

185: signal rod 190: safety discharge unit

195: safety protrusion 200: body

210: inner pot 211: flange

220: heating plate 221: heater

230: outer case 240: control panel

250: external open / close button

The present invention relates to an electric thermal pressure cooker, and more specifically, the lid and the body are hinged integrally, and the cap of the pressure vessel which is cooked at a high pressure while being cooked and warmed by a power source is easily and safely locked. It relates to a safety lock of an electric pressure insulating cooker to be made.

The lid of a vessel, such as an autoclave with high pressure, can only support high pressure when it is firmly engaged with the lower vessel.

The conventional general pressure cooker is to form a plurality of teeth (11, 21) around the periphery of the container 10 and the container lid 20, as shown in Figure 8 to be mutually coupled.

Such a conventional coupling structure is to be fitted to each other by fitting the teeth 11, 21 to each other and then rotated in one direction, as a safety device is provided with a separate locking device for preventing rotation It is.

Such a conventional device is very difficult to manufacture because the lower container and the lid portion must be formed respectively, and when locking, the lower container and the lid portion must be rotated to interlock the tooth portion so that the inconvenience is inconvenient to use. There was a problem with hygiene because of foreign matter caught in the tooth.

In order to improve such a problem, the applicant has proposed a safety locking device of the pressure cooker through the prior application No. 95-32287.

The feature of the pre-application is a safety lock of the electric pressure cooker to remove the structurally curved teeth as in the prior art so that the coupling portion of the container and the lid can be simply, securely and securely combined.

The first application forms a flange in a smooth shape at the periphery of the inlet side of the cooking vessel, and the flange and the concentric arc-shaped fastening piece are integrally provided so that the flange can be caught or released while simultaneously operating left and right at both sides of the lid coupled thereto. Fastening means; Operating means comprising a vertical button and a horizontal button as components to operate the fastening means; The locking rod is controlled by the horizontal button and the release button is released by the vertical button, with the safety rod for controlling the fastening means by the internal pressure sensing and the guide plate for smooth operation of the fastening means and the operation means. To be done is to be easily applied to a general pressure cooker.

By the way, the electric insulation pressure cooker which is an application of the pressure cooker is self-cooking by the power source (electric source), and also has a variety of functions, such as a thermal insulation function or a reservation cooking, it is separate from the outside compared to the ordinary pressure cooker An outer cover body is provided to have a thermal insulation function, and a heater is provided at an inner lower side to perform a heating function by a power source, and includes various other accessories.

The great feature of such electric insulation pressure cooker is that one side of the body and the lid is coupled by the hinge portion, the inner pot is inserted into the inside and the outer cover surrounding the inner pot must be fixed at the same time, a large pressure pressure cooker Because of this, it must have a strong bonding force.

Conventional electric thermal pressure cooker is to be fixed by the coupling portion formed in the pot body and the lid portion, so as with the general pressure cooker, the coupling was possible only when the body and the lid is accompanied by a relative rotational operation.

In addition to the internal locking device, the locking device of the outer case had to be performed by a separate opening and closing operation.

Therefore, the conventional electric thermal pressure cooker has to perform a separate lid rotation function when opening and closing the lid, but did not have a solid coupling force, but also has a very complicated structure, there was a problem inconvenient to use.

In addition, there is a variety of problems, such as lowering the energy efficiency by forming a gap between the cooker body and the heater because the coupling is not a solid coupling in the configuration.

The present invention devised to improve such a problem is the cooking method by the power source (electric source), and the coupling method of the above application to the lid coupling structure of the electric thermal pressure cooker having a variety of functions, such as thermal insulation function or reservation cooking Is applied and other safety devices are added.

In other words, by applying the utility model registration application No. 95-32287, which eliminated the teeth formed on the coupling portion of the rice cooker body and the lid, it is simple, without deformation, and has a firm coupling force without a process such as rotation of the lid, and is a multi-stage switching device. It is an object of the present invention to provide a safety lock of the electric pressure thermal rice cooker to ensure the safety and to facilitate the opening and closing function so that can be operated in conjunction with each other.

In order to achieve the above object, in the present invention, the body part 200 and the lid part 100 are coupled to each other by a hinge pin 131 to open and close, and the heater 200 which is a self-heating means inside the body part 200. 221 is provided in the heating and warming function, the lid portion 100 and the body portion 200 is an electric thermal pressure cooker to be cooked under a high pressure pressure by being hermetically coupled by a separate locking device, An inner pot 210 installed in the body part 200 so as to be inserted into and detached from the body part 200 and having a flange 210 formed in a smooth shape at an inlet peripheral edge thereof; The inside of the lid portion 100 coupled by the body portion 200 and the hinge pin 131 is provided with a fastening plate 130 to have both ends bent to have a reinforcing force, between the fastening plate 130 of the It is installed to be inserted into the operation groove 132 formed at both ends of the bent and is operated to open or retract at the same time to the left and right sides, while the flange 211 and the concentric arc so as to be caught or loosened the flange 211 of the inner pot 210 The first fastening member is provided with fastening pieces A (111) and B (121) of; It can be operated only in the release state of the primary fastening member, the body portion 200 on the other side corresponding to one side hinge portion of the fastening plate 130 to which the body portion 200 and the lid portion 100 is coupled. It consists of a secondary fastening member having a locking plate 170 to secure the fastening function of the outer lid 160 by the direct action of the outer case 230, the safety rod for controlling the operation of the primary fastening member It is characterized in that the opening function of the lid is made only under a safe pressure state.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 is an external perspective view showing the overall structure of the present invention, the inner pot 210 is installed in the body portion 200 to have a self-heating function and a warming function by the heater 221 therein, the body portion 200 The outer surface of the control panel 240 and the external opening and closing button 250 is provided.

The lid portion 100 hinged with the body portion 200 is a core component of the present invention is embedded there is a locking member having a vertical button 140 and a horizontal button 150 on the outside and the presence of pressure in the interior It is provided with a safety discharge unit 190 which operates only when the signal member 180 and steam inability to discharge due to the abnormal occurrence of the signal member 180, that is, when the low pressure is abnormal, as well as displaying to the outside. have.

2 is a front sectional view showing the internal configuration of the present invention, the inner plate 210 is mounted on the heating plate 220 and the heating plate 220 including the heater 221 inside the body portion 200.

A flange portion 211 is formed at the upper end of the inner pot 210 so that the locking function of the present invention can be made in relation to the lid portion 100.

Between the lid part 100 and the inner pot 210, a conventional packing 162 is installed to have airtightness.

The inside of the lid portion 100 has a built-in locking device that is the main part of the present invention, the specific configuration is shown in detail in FIG.

The lid part 100 is configured to be coupled and opened by one side of the body portion 200 and the hinge pin 131 as shown in FIG. 3 and FIG. 4 and FIG.

The lid portion 100 is coupled to the body portion 200 by the hinge pin 131, the fastening plate 130 for coupling the primary and secondary fastening members are provided therein.

The coupling portion of the fastening plate 130 is coupled to the buffer spring 133 for smooth operation of the lid portion 100 to the hinge pin 131, the other side of the outer case 230 of the body portion 200 Lock plate 170 is provided to be coupled with the engaging.

The locking plate 170 is coupled and operated by the operating shaft 174, and the compression spring 175 is installed so that the elastic force is always applied in the locking direction.

Both ends of the fastening plate 130 is bent to have a reinforcing force, the middle portion is inserted into both sides is installed fastening table 110, 120 to be locked to the flange 211 of the inner pot (210) Each of the operation grooves 132 to be inserted and operated are installed perforated, respectively.

The fasteners 110 and 120 are simultaneously opened or retracted to both sides, and the flanges 211 can be caught or loosened on the flange 211 formed on the inner pot 210 of the body portion 200. ) And the fastening pieces A (111) and B (121) formed in a concentric circular arc shape are integrally provided, respectively, and are a main part of the primary fastening member.

Accordingly, the primary fastening member includes a fastening table A 110 in which a cam operating piece A 112, a hook piece A 113, and a fastening piece A 111 are integrally formed; In response to the fastening table A (110), the cam operating piece B 122 and the cam operating piece A (112) of the fastening table A (110) can be inserted and operated to be drilled long hole 124 and the hanging piece B (123) And fastening table B (120) is formed integrally with the fastening piece B (121); It consists of a vertical, horizontal button 140, 150 for operating the fasteners (110, 120).

The hook piece A (113) of the fastening table A (110) and the hook piece B (123) of the fastening table B (120), respectively, with a hook groove (134) formed on the upper side of the operating groove (132) of the fastening plate (130). Interconnected with the tension springs 115 therebetween are configured to be pulled inwardly mutually.

The actuating means for operating the primary fastening member includes a vertical button 140 having an operating table 141 having an inclined operating surface A 142 on one side thereof; A return spring 143 for returning the vertical button 140; An inclined operating surface B 152 which is mutually in operation with the inclined operating surface A 142 of the vertical button 140 is formed at an upper end, and a horizontal button having an operating cam 151 and a locking step 153 formed at both sides at a lower side thereof ( 150).

The secondary fastening member is to be engaged with the body portion 200 of the other side corresponding to the hinge portion which is a coupling portion of the lid portion 100 and the body portion 200.

That is, the engaging shaft 130 is coupled and operated by the operating shaft 174, and one side of the engaging stone piece 173 is formed, the other side of the engaging piece 171 and the opening piece 172 is bent in two steps inwards It is formed, and the locking plate 170 is inserted into the compression spring 175 so that the elastic force is always applied in the locking direction; It is composed of an external opening and closing button 250 installed on the body portion 200 to operate the opening piece 172 protruding toward the front of the locking plate 170 to open the locking plate 170.

5 is a cross-sectional view showing an operating state of the lock device of the present invention.

The horizontal button 150 of the primary fastening member is to be controlled by the safety protrusion rod 195 in which the front end 155 is mounted in accordance with the pressure in the rice cooker, as shown in Figure 5, the horizontal button 150 Safety step 154 formed at the rear end of the) is caught by the locking protrusion piece 173 of the secondary fastening member to control the operation of the secondary fastening member to have a safety.

The safety protrusion rod 195 is projected by the pressure acting while the pressure pipe 196 is pushed by the internal pressure as shown in (a) of FIG. 5 to control the operation of the horizontal button 150, the pressure inside In the removed state, as shown in (b) of FIG. 5, the return spring 197 returns and descends to enable the horizontal button 150 to be operated.

7 is a cross-sectional view showing the structure and operating state of the signal member 180 of the present invention.

The signal member 180 is provided with a signal piston 182 having a double piston structure at the tip of the nozzle 181 is fitted with a separation preventing cap 183 for preventing the separation of the signal weight 182.

The inside of the signal weight 182 having a double piston structure consists of a signal rod 185 which is raised and protruded by a double piston action inside the piston 184 having a discharge hole drilled in the center portion.

The operation and effects of the present invention configured as described above will be described.

Let's look at the opening function of the present invention.

The present invention releases the fastening state between the inner pot 210 and the lid part 100 through the operation of the first fastening member, and then operates the second fastening member to completely open the lid part 100.

5 is a side cross-sectional view showing a locked state of the present invention, as shown in (c) of FIG. 4, the fastening pieces A and B (111) and 121 are caught by the flange 211 of the inner pot 210, and the primary fastening member is firm. The hare is in a fastened state.

In addition, one side of the fastening plate 13 is coupled to the outer case 230 of the body portion 200 by the hinge pin 131, the other side of the locking piece 170 of the locking plate 170 is the other outer case 230 ) Is being reinforcement fastened by the secondary fastening member.

The fastening state is to ensure the safety by acting in conjunction with each other, the safety protrusion rod 195 is projected by the pressure in the pot to control the advance of the horizontal button 150, the horizontal button 150 The rear safety step of 154 is caught on the locking protrusion piece 173 of the locking plate 170, which is the secondary fastening member, thereby controlling the operation of the locking plate 170, and in the state where the pressure inside the pot is never opened or closed. 250 is to be kept inoperable.

As such, the pressure inside the pot is completely removed and then the horizontal fastening member 150 of the first fastening member is released to release the first fastening member.

As shown in (b) of FIG. 5, the tip 155 of the horizontal button 150 is controlled by the safety protrusion rod 195 which is mounted in accordance with the pressure in the rice cooker, thereby operating in a state where the pressure in the rice cooker is completely discharged. There is no fear of safety accidents.

The operation of the primary fastening member is caught by the flange 211 of the inner pot 210 because the operation cam 151 of the horizontal button 150 pushes the cam operation pieces 112 and 122 of the fastening table on both sides in the open direction. The hanging pieces 113 and 123 were separated and brought into the open state.

That is, when the horizontal button 150 is pressed, the operation cam 151 and the cam operation pieces 112 and 122 of the horizontal button 150 interact with each other so that the fastening piece A (111) and the fastening piece B 121 are both sides. It will be wide open, and stops in a jammed state in the locking step 153.

At this time, the tension spring 115 is relaxed and the state in which the elastic force is maintained.

As described above, when the horizontal button 150 of the primary fastening member is advanced, the rear safety step 154 of the horizontal button 150 moves forward to be out of the locking protrusion piece 173 of the locking plate 170. The operation of the fastening member is to be enabled.

Therefore, when the external opening and closing button 250 is pressed, the locking piece 171 rotates around the operating shaft 174 while the locking piece 171 is released from the locking state with the outer case 230 while the cover part (172) is closed. 100) is to be opened.

The safety protrusion rod 195 is protruded by the pressure acting while the pressure pipe 196 is pushed by the internal pressure as shown in (a) of FIG. 5 to control the operation of the horizontal button 150, the internal pressure is In the removed state, as shown in (b) of FIG. 5, the return spring 197 returns and descends to enable the horizontal button 150 to be operated.

On the contrary, in the locking function, the lid part 100 is closed to the body part 200 in a state as shown in FIG. 4 (b), that is, the first fastening means of the lid part 100 is opened to both sides. When the vertical button 140 is pressed, the inclined operating surface A 142 of the operating table 141 and the inclined operating surface B 142 of the horizontal button 150 interact with each other, as shown in FIG. The horizontal button 150 is retracted.

Accordingly, the cam operating piece A 112 and the cam operating piece B 122, which were caught on the locking jaw 153 of the horizontal button 150, are mutually pulled by the tension spring 115 while leaving the locking jaw 153. The fastening piece A (111) and fastening piece B (121) fixed integrally will be coupled to the flange 211 of the inner pot (210).

The operation cam 151 of the horizontal button 150 is fully retracted by the operation of the cam operation pieces 112 and 122 that are retracted by the elastic force of the tension spring 115.

Therefore, by pressing the vertical button 140 only once, it is in a completely locked state.

The inner periphery of the lid portion 100 is provided with a packing 162 to have a sealability to achieve a complete sealing of the container 210 and the lid portion 100 when combined.

In such a state, when the cooking vessel 200 is heated, the pressure in the vessel 200 is increased and the signal rod 185 of the signal member 180 is pushed up.

When the internal pressure is increased by continuously heating, the signal weight 182 is discharged while eccentric movement.

At this time, since the signal rod 185 is continuously protruding, the red color of the boundary color of the signal rod 185 has a danger signal effect, and the user is alerted.

As described above, the present invention allows the lid of the pressure vessel to be opened and closed in a very simple manner, and simultaneously maintains the safety state by the safety protrusion rod, the safety step, and the locking protrusion that automatically operate by sensing its own pressure. Safe use is possible, especially in the structure that one side of the pressure insulation rice cooker is coupled to the hinge and should be provided with an internal locking device and an external locking device by applying the present invention beautifully designed and safe design possible There is a very beneficial advantage.

Claims (4)

The body part 200 and the lid part 100 are coupled to each other by a hinge pin (), and are opened and closed, and the heater 221 which is a self-heating means is provided inside the body part 200 to heat and keep warm. The lid portion 100 and the body portion 200 are hermetically coupled to a separate locking device to be cooked under the high pressure of the cooked electric insulation pressure cooker, which can be inserted into or detached from the body 200. It is installed so as to, the inner side of the inlet side 210 is formed in the flange 210 in a smooth form; The inside of the lid portion 100 coupled by the body portion 200 and the hinge pin 131 is provided with a fastening plate 130 to have both ends bent to have a reinforcing force, of the fastening plate 130 It is installed to be inserted into the operation groove 132 formed at both ends of the bent and is operated to open or retract at the same time to the left and right sides, while the flange 211 and the concentric arc so as to be caught or loosened the flange 211 of the inner pot 210 A primary fastening member provided with fastening pieces A (111) and B (121); Can be operated only in the release state of the primary fastening member, the body portion 200 on the other side corresponding to one side hinge portion of the fastening plate 130 to which the body portion 200 and the lid portion 100 is coupled Safety lock of the electric pressure thermal cooker, characterized in that consisting of a secondary fastening member having a locking plate 170 to secure the fastening function of the outer case by the engaging action of the case 230. The primary fastening member is a fastening table A (110) consisting of a cam operating piece A (112), a hook piece A (113) and a fastening piece A (111) integrally; Long hole A (125) and hook B (123) for inserting the cam operating piece B 122 and the cam operating piece A (112) of the fastening table A (111) so as to correspond to the fastening table A (110). ) And the fastening table B (120) having an integrated body is fitted into the operation groove 132 of the fastening plate 130, and the elastic spring is acted inward by the tension spring 115 at the same time, left and right A vertical button 140 integrally formed with an operating table 141 having an inclined operating surface A 142 formed at one side thereof to operate the fastening tables A and B 110 and 120; A return spring 143 for returning the vertical button 140; An inclined operating surface B 152 which is mutually in operation with the inclined operating surface A 142 of the vertical button 140 is formed at an upper portion, and a horizontal button having an operating cam 151 and a locking step 153 formed at both sides at a lower side thereof ( Safety lock of the electric pressure thermal cooker, characterized in that consisting of 150). The method of claim 1, wherein the secondary fastening member is fastened by the operating shaft 174 to be engaged with the other body portion 200 corresponding to the hinge portion which is a coupling portion of the lid portion 100 and the body portion 200 It is coupled to the plate 130, the locking piece 173 is formed on one side, the locking piece 171 and the opening piece 172 is formed on the other side is bent in two steps inward, the elastic force is always acting in the locking direction A locking plate 170 fitted with a compression spring 175 so as to be fitted therein; Dryer, characterized in that consisting of an external opening and closing button 250 is installed on the body 200 to operate the opening piece 172 protruding toward the front of the locking plate 170 to open the locking plate 170. Safety lock on pressure cooker. According to claim 1 or claim 3, wherein the horizontal button 150 of the primary fastening member is to be controlled by the safety protrusion rod (195) in which the front end portion 155 is mounted in accordance with the pressure in the cooker, the horizontal button Safety step 154 formed at the rear end of the 150 is locked to the locking protrusion piece 173 of the secondary fastening member to lock the safety of the electric pressure thermal cooker, characterized in that to control the operation of the secondary fastening member. .