JP3028912U - Insulator for gas rice cooker - Google Patents

Abstract

(57) Abstract: In a conventional heat retaining device for a gas rice cooker, the window hole can be closed even when the lid is removed, so that warm air in the heat retaining space is not discharged. To provide a heat retaining device for a gas rice cooker. SOLUTION: An inner pot and an outer pot are placed on a gas stove part via a heat-retaining space between them, and a lid is openably and closably installed on the outer pot, and the heat-retaining is provided on a peripheral edge of an upper end of the outer pot. A window hole for communicating the space with the atmosphere is formed, and an intrusion groove is formed in a peripheral portion of the upper end of the outer pot in a state of traversing the window hole, a blocking plate is installed on the lid, and the blocking plate is intruded. This is a heat retaining device for a gas rice cooker, which is arranged in a groove so as to be vertically movable from below, and in which the operating means for this blocking plate is installed in the outer pot.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 This invention relates to a heat retaining device for a gas rice cooker.

[0002]

[Prior art]

 In a conventional gas rice cooker, a heat retaining space is provided between an inner pot and an outer pot, a window hole is opened in an upper peripheral portion of the outer pot to communicate the heat retaining space with the atmosphere, and An intrusion groove is formed at the upper edge around the window hole, and a blocking plate can be inserted into and removed from the intrusion groove to block the communication of the window hole. As a result, the window hole is closed to prevent discharge of warm air in the heat retaining space.

[0003]

[Problems to be solved by the device]

 However, in such a conventional gas rice cooker, since the blocking plate is installed on the lid of the gas pot, the window hole cannot be closed when the lid is removed, As a result, there is a disadvantage that the warm air in the heat retaining space is discharged, and so-called heat retention of rice cannot be performed.

An object of this invention is to eliminate these disadvantages.

[0005]

[Means for Solving the Problems]

 In order to achieve the above object, in a heat retaining device for a gas rice cooker according to the present invention, an inner pot and an outer pot are placed on a gas stove part via a heat retaining space between them, and a lid is attached to the outer pot. Is installed so that it can be opened and closed, a window hole is formed in the upper peripheral edge of the outer kettle so that the heat retaining space communicates with the atmosphere, and an intrusion groove is formed in the upper peripheral edge of the outer kettle across the window hole. Since the blocking plate is installed on the lid and the blocking plate is vertically movable in the entry groove from below, and the operating means for the blocking plate is installed on the outer pot, the operating means is operated. By doing so, the blocking plate can be moved upward, the window hole can be closed, and the heat retaining space can be blocked from the outside air.

Further, a valve element is installed in the burner section of the gas stove section, and an operating means for this valve element is installed in the outer pot, and the valve element is operated by this operating means to operate the burner section of the burner section. By opening and closing the next air flow passage, the heat insulation space can be more completely sealed, and the heat insulation effect is further improved.

[0007]

【Example】

 In FIG. 1, G is a gas rice cooker and 10 is the gas stove part. Reference numeral 11 is a gas burner installed at the center of the gas stove unit 10. Reference numeral 111 denotes a secondary air flow path of the gas burner 11, which communicates the heat retaining space S described later with the outside air. Reference numeral 20 denotes an outer pot, which is detachably mounted on the stove portion 10. A heat insulating material is provided on the outer peripheral surface of the outer pot 20.

Next, reference numerals 22, 22, ... Are window holes, which are formed in a required number in the circumferential direction at the upper edge of the outer pot 20. The heat retaining space S communicates with the atmosphere through these window holes 22, 22, .... Numerals 23, 23 are intrusion grooves, which are formed in the circumferential direction so as to cross the window holes 22, 22, ... At the upper edge of the outer pot 20. The annular blocking member 231 moves in and out of the intrusion groove 23 by moving up and down to open and close the window holes 22, 22 ,.

Reference numerals 24, 24 are through holes formed in the wall portion of the outer pot 20 in the vertical direction. Connecting rods 241 and 241 are fitted in the through holes 24 and 24 so as to be able to move forward and backward. The upper ends of the connecting rods 241 and 241 are connected to the annular blocking member 231. Therefore, as the connecting rods 241 and 241 move forward and backward, the annular blocking member 231 moves forward and backward. Reference numerals 25 and 25 are compression springs, which are installed at the lower ends of the through holes 24 and 24. The compression springs 25, 25 urge the connecting rods 241, 241, and thus the annular blocking member 231, upward. Reference numerals 242 and 242 are stoppers provided on the connecting rods 241 and 241, respectively.The stoppers 242 and 242 are hooked on locking protrusions 243 and 243 which are provided on the through holes 24 and 24, respectively, so that the connecting rods 241 and 241 have Prevents slipping out.

Reference numerals 25 and 25 are locking rings, which freely penetrate the connecting rods 241 and 241. Since the locking projections 243, 244 are installed on the connecting rods 241, 241 so as to project, the locking rings 25, 25 cannot move in the vertical direction. Therefore, by vertically moving the locking rings 25, 25, the connecting rods 241, 241 can be vertically moved. Reference numerals 251 and 251 are operation levers, which are provided so as to project on the locking rings 25 and 25. The operating levers 251, 251 project from the outer pot 20 via the long holes 201, 201. Therefore, the operating levers 251, 251 can be operated from the outside of the outer hook 20. In order to keep the connecting rods 241 and 241 moving downward against the compression springs 25 and 25 and opening the window holes 22, 22, ..., the operation levers 251 and 251 are pushed down in the horizontal direction. It may be moved and stopped at the horizontal portion 201h of the long holes 201,201. To release this state, swing the operating levers 251 and 251 in the opposite direction to release from the horizontal portion 201h of the long holes 201 and 201, and the window holes 22, 22, ... are closed by the elastic force of the compression springs 251 and 251. (See FIG. 2).

Next, 31 and 31 are L-shaped levers, which are pivotably attached to the bottom plate 32 of the outer hook 20 through brackets 311 and 311. Crescent-shaped valve bodies 32, 32 are connected to the inner ends of the levers 31, 31 (see Fig. 3). The valve elements 33, 33 are for closing the annular secondary air flow passage 111 located around the gas burner 11. The brackets 311 and 311 can slide in the horizontal direction.

Next, 51, 51 are actuating rods, which are installed on the sides of the gas stove section 10. The upper ends of the operating rods 51, 51 are swingably connected to the L-shaped levers 31, 31. Therefore, as the operating rods 51, 51 move up and down, the L-shaped levers 31, 31 swing to open and close the valve bodies 33, 33. 52, 52 are compression springs, which are installed on the bottom plate of the gas stove section 10. The compression springs 52, 52 bias the actuating rods 51, 51 upward so that the valve bodies 32, 32 are opened. In addition, 512 and 512 are stoppers protruding from the operating rods 241 and 241, and the stoppers 512 and 512 are hooked on locking protrusions 522 and 522 protruding from the compression spring supporting members 521 and 521, respectively, so that the operating rods 51 and 51 do not come out. Is being prevented.

Reference numerals 53 and 53 are locking rings, which are loosely inserted into the operating rods 51 and 51. The locking rings 51, 51 cannot move in the vertical direction because the locking rods 51, 51 have locking protrusions 513, 514 projecting therefrom. Therefore, the actuating rods 51, 51 can be moved up and down by moving the locking rings 53, 53 up and down. Reference numerals 531 and 531 denote operation levers, which are provided so as to project on the locking rings 53 and 53. The operating levers 531 and 531 project from the gas stove portion 10 through the long holes 101 and 101. Therefore, the operating levers 531 and 531 can be operated from outside the gas stove section 10. In order to maintain the closed state of the valve bodies 32 and 32 by moving the operating rods 51 and 51 downward against the compression springs 521 and 521, the operation levers 531 and 53 1 should be oscillated horizontally while being pushed down. Then, it may be locked to the horizontal portion 101h of the long holes 101, 101. When releasing this state, if the operation levers 531 and 531 are swung in the opposite direction and released from the horizontal portion 101h of the elongated holes 101 and 101, the compression springs 521 and 521 are opened by the elastic force of the compression springs 521 and 521.

Reference numeral 60 denotes a lid, which is pivotally supported on the upper end of the outer pot 20 and is swingably installed so that it can be opened and closed. The closed state of the lid 60 can be locked at the same time as the lid is closed. To open the lid 60, a pusher (not shown) installed on the lid 60 is pushed to release the locked state and the lid is opened. Open 60.

Reference numeral 70 denotes an inner pot, which is mounted on the gas stove section 10 inside the outer pot 20. The inner pot 70 is for accommodating rice for cooking rice together with water, and is heated by the flame of the gas burner 11 described above. Reference numeral 71 is an inner lid that covers the inner pot 70. A pressure hole 711 is opened in the center of the inner lid 71. The peripheral edge of the inner pot 70 can be extended so as to contact the lid 60.

Next, the heat retaining space S is formed between the inner pot 70 and the outer pot 20, and the heating combustion gas heats the entire outer wall of the inner pot 70 through the heat retaining space S.

[0017]

[Effect of the Invention] A heat retaining device for a gas rice cooker according to the present invention allows an inner pot and an outer pot to be placed on a gas stove part via a heat retaining space between them, and a lid can be opened and closed on the outer pot. The outer pot is provided with a window hole for communicating the heat-retaining space with the atmosphere, and the outer pot has an intrusion groove formed across the window hole. Since the blocking plate is installed in the entry groove so that the blocking plate can be moved up and down from below, and the operating means of the blocking plate is installed in the outer pot, the blocking plate can be operated by operating the operating means. Can be moved up to close the window hole to shut off the heat retaining space from the outside air.

Therefore, if the heat retention device for a gas rice cooker according to the present invention is used, so-called rice can be kept warm even when the lid of the gas cooker is removed, so that the convenience of the gas rice cooker is improved. It is a thing.

Further, a valve element is installed in the burner section of the gas stove section, and operating means for this valve element is installed in the outer pot, and the valve element is operated by this operating means to operate the burner section of the burner section. By opening and closing the next air flow passage, the heat insulation space can be more completely sealed, and the heat insulation effect is further improved.

[Brief description of drawings]

FIG. 1 is a sectional view of a heat retaining device for a gas rice cooker according to the present invention.

FIG. 2 is a diagram showing a main part as viewed from the arrow II in FIG.

FIG. 3 is a view showing a main part of a burner section as seen from the arrow III in FIG.

[Explanation of symbols]

 G ... Gas rice cooker S ... Heat insulation space 10 ... Gas stove part 11 ... Burner part 111 ... Secondary air flow passage 20 ... Outer pot 22 ... Window hole 30 ... Lid 40 ... Inner pot 84 ... Shutoff plate 251 ... Operating means (shutoff) Plate operation lever) 33… Valve body 531… Operating means (Valve operation lever)

Claims (2)

[Scope of utility model registration request] 1. An inner pot and an outer pot are placed on a gas stove part via a heat-retaining space between them, and a lid is installed on the outer pot so that the lid can be opened and closed. A window hole is formed for communicating the heat-retaining space with the atmosphere, an intrusion groove is formed in a peripheral edge of the upper end of the outer pot in a state of traversing the window hole, a blocking plate is installed on the lid, and the blocking plate is provided as described above. A heat retaining device for a gas rice cooker, which is arranged so as to be movable up and down from below in an intrusion groove, and an operating means for this blocking plate is installed in the outer pot. 2. An inner pot and an outer pot are placed on the gas stove part via a heat-retaining space between them, and a lid is installed on the outer pot so that the lid can be opened and closed. A window hole is formed for communicating the heat-retaining space with the atmosphere, an intrusion groove is formed in a peripheral edge of the upper end of the outer pot in a state of traversing the window hole, a blocking plate is installed on the lid, and the blocking plate is provided as described above. It is arranged in the entry groove so as to be movable up and down from below, and the operation means for this shut-off plate is installed in the outer pot, and further, the valve element is installed in the burner section in the gas stove section and the operation means for this valve element is installed. Installed in the outer pot,
A warmer for a gas rice cooker, characterized in that the valve body is operated by this operating means to open and close the secondary air flow passage of the burner section.