CN204445317U - Electric cooker - Google Patents

Abstract

The utility model provides an electric rice cooker, which includes a cooker body and an inner pot put into the cooker body, the cooker body includes a base, a middle plate fixed on the base, and can be covered on the middle plate to seal the inner pot The upper cover in the pot body, the base is also provided with a double heat preservation structure, the inner pot is placed in the double heat preservation structure, and the double heat preservation structure includes an inner heat insulation cover and an outer heat insulation cover, and the inner heat insulation cover It is connected with the outer heat shield through a support heat shield to form an integral structure, and a heat insulation zone is formed between the outer heat shield, the support heat shield and the inner heat shield. The utility model prevents the internal temperature rise of the base from being too high, ensures the heating efficiency of the inner pot, is safer in use, and prolongs the service life.

Description

rice cooker

technical field

The utility model relates to household appliances, in particular to an electric rice cooker.

Background technique

The existing ceramic rice cooker on the market adopts a single heat preservation cover structure. When the electric heating plate is heated, the internal temperature rises too high. In order to meet the safety requirements, a fan is used to dissipate heat. Lots of thermal energy.

Contents of the invention

The utility model provides an electric rice cooker which prevents the internal temperature rise of the base from being too high and ensures the heating efficiency of the inner pot.

The technical scheme that the utility model adopts is:

An electric rice cooker, which includes a pot body and an inner pot put into the pot body, the pot body includes a base, a middle plate fixed on the base, and an upper cover that can be closed on the middle plate to seal the inner pot in the pot body , is characterized in that: the base is also provided with a double heat preservation structure, the inner pot is placed in the double heat preservation structure, and the double heat preservation structure includes an inner heat insulation cover and an outer heat insulation cover, and the inner heat insulation cover and the The outer heat shield is connected into an integral structure through the supporting heat shield, and a heat insulation zone is formed between the outer heat shield, the supporting heat shield and the inner heat shield. When working, the heating device of the rice cooker works to heat the inner pot. In order to prevent the internal temperature of the electrical appliance from rising too high, the heat dissipation device of the rice cooker works. Due to the double heat preservation structure formed between the outer heat shield and the support heat shield and the inner heat shield In the heat insulation area, the inside of the double insulation structure is still a high-temperature heating area, while the outside of the heat insulation area forms a low-temperature space, which can prevent the temperature rise inside the base from being too high and improve the efficiency of the rice cooker without affecting the heating efficiency of the inner pot. service life.

Further, the upper edge of the outer heat shield is provided with an outwardly turned flange structure, and the flange structure is provided with connecting ears, which are connected to the supporting heat insulating board through the connecting ears.

Further, the supporting heat insulation board is cylindrical and provided with a step having an inner side and a lower side, and the upper edge of the inner heat shield is positioned at the inner side and the lower side of the aforementioned step. A positioning is carried out between the inner heat shield and the support heat shield through the steps on the support heat shield.

Further, the outer heat shield is provided with continuous reinforcing ribs at the positions corresponding to the connecting ears on the side wall of the outer heat shield and the outwardly turned flange structure. The reinforcing rib can prevent the connecting ear from being deformed under pressure.

Further, the inner heat shield is positioned and connected with the outer heat shield through positioning silica gel.

Further, the inner heat shield is provided with a positioning through hole, and the positioning silica gel includes a resting part placed on the inner side of the outer heat shield, and the positioning through hole passing through the inner heat shield from the resting part protrudes inward into the inner compartment. The supporting portion inside the heat shield is used for positioning the aforementioned inner pot, and the front end of the supporting portion is provided with a slope for positioning the inner pot, and the slope is inclined from top to bottom. The positioning silica gel not only positions the positional relationship between the inner heat shield and the outer heat shield, but also plays a role in positioning the inner pot.

Further, a heating device is arranged inside the double heat preservation structure, and a cooling fan is arranged on the outside thereof, and the heating device includes a heating plate arranged under the bottom of the inner pot and a side heating device arranged on the side of the inner pot.

Further, the inner pot is a ceramic inner pot.

Further, the supporting heat insulating board is provided with a plurality of downwardly extending fixing columns, and the fixing columns are provided with fitting holes, and the supporting heat insulating board passes through the base through bolts and is screw-fitted into the fitting holes of the fixing columns and fixed on the base .

Further, the supporting heat insulating board is provided with a fixing part protruding outward, and the fixing part is provided with a through hole, and the supporting heat insulating board is fixed to the middle plate through the through hole through the bolt.

The beneficial effect of the utility model is that the inner temperature of the base is prevented from being too high, and the heating efficiency of the inner pot is ensured, the use is safer, and the service life is prolonged.

Description of drawings

Fig. 1 is a sectional view of the structure of the utility model.

Fig. 2 is an enlarged view of A in Fig. 1 .

Fig. 3 is an exploded view of the double insulation structure of the present invention.

Fig. 4 is an enlarged view at B in Fig. 3 .

Fig. 5 is a schematic structural view of the positioning silica gel of the present invention.

Detailed ways

The utility model will be further described below in conjunction with specific embodiments, but the utility model is not limited to these specific embodiments. Those skilled in the art should realize that the present invention covers all alternatives, improvements and equivalents that may be included within the scope of the claims.

Referring to Figures 1-5, an electric rice cooker includes a pot body 7 and an inner pot 4 placed in the pot body 7, the pot body 7 includes a base 8, a middle plate 6 fixed on the base 8, and can be covered On the middle plate 6 is the upper cover 5 that seals the inner pot 4 in the pot body 7, and the base 8 is also provided with a double heat preservation structure, and the inner pot 4 is placed in the double heat preservation structure, and the double heat preservation structure includes The inner heat shield 2 and the outer heat shield 1, the inner heat shield 2 and the outer heat shield 1 are connected into an integral structure through the support heat shield 3, and the outer heat shield 1 and the support heat shield 3 are connected with the A heat insulation area D is formed between the inner heat shields 2 . When working, the heating device of the electric rice cooker works to heat the inner pot 4. In order to prevent the internal temperature of the electric appliance from rising too high, the heat dissipation device of the electric rice cooker works at the same time. A heat insulation zone is formed between the covers 2. The inside of the double insulation structure is still a high-temperature heating zone, while the outside of the heat insulation zone D forms a low-temperature space, which can prevent the inner pot 4 from heating up while not affecting the heating efficiency of the inner pot 4. The temperature rise is too high, which will increase the service life of the rice cooker.

The upper edge of the outer heat shield 1 in this embodiment is provided with an outwardly turned flange structure 12 , and the flange structure 12 is provided with connecting ears 11 , which are connected to the supporting heat insulating board 3 through the connecting ears 11 .

The supporting heat shield 3 in this embodiment is cylindrical and has a step 31 with an inner side and a lower side. The upper edge of the inner heat shield 2 is positioned on the inner side and the lower side of the step 31 . A positioning is performed between the inner heat shield 2 and the supporting heat insulating board 3 through the step 31 on the supporting heat insulating board 3 .

The outer heat shield 1 described in this embodiment is provided with continuous reinforcing ribs 13 at the positions corresponding to the connecting ears 11 on the side wall of the outer heat shield 1 and the outwardly turned flange structure 12 . The reinforcing rib 13 can prevent the connecting ear 11 from being deformed under pressure.

In this embodiment, the inner heat shield 2 and the outer heat shield 1 are positioned and connected through the positioning silica gel 15 .

In this embodiment, the inner heat shield 2 is provided with a positioning through hole 21, and the positioning silica gel 15 includes a resting portion 151 for placing it on the inner side of the outer heat shield 1, and a positioning through hole penetrating the inner heat shield 2 from the resting portion. 21 protrudes inwardly into the inner heat shield 2 for positioning the support portion 152 of the inner pot 4, the front end of the support portion 152 is provided with a slope for positioning the inner pot 4, and the slope is inclined from top to bottom. The positioning silica gel 15 not only positions the positional relationship between the inner heat shield 2 and the outer heat shield 1, but also plays a role in positioning the placement position of the inner pot 4.

The double insulation structure described in the utility model is provided with a heating device, and its outer side is provided with a cooling fan 14, and the heating device includes a heating plate 9 arranged below the bottom of the inner pot 4 and a side heating device 10 arranged on the side of the inner pot 4 .

Inner pot 4 described in the utility model is a ceramic inner pot.

The supporting heat insulating board 3 described in this embodiment is provided with a plurality of downwardly extending fixing columns 33, and there are matching holes in the fixing columns 33. It is fixed on the base 8 in the matching hole.

The supporting heat insulating board 3 in this embodiment is provided with a fixing portion 32 protruding outward, and the fixing portion 32 is provided with a through hole, and the supporting heat insulating board 3 is fixed to the middle plate 6 through the through hole through the bolt.

When the utility model works, the heating device heats up the inner pot 4, and the heat dissipation fan 3 inhales air to radiate heat and cool down the internal parts of the base 8. Due to the double heat preservation structure, the outer heat shield 1 and the supporting heat shield 3 are connected with the inner heat shield. 2 forms a thermal insulation zone D, the inside of the double thermal insulation structure is still a high-temperature heating zone, and the outside of the thermal insulation zone D forms a low-temperature space, which can prevent the inner pot 4 from The temperature rise is too high, which will increase the service life of the rice cooker.

Claims (10)

1. An electric rice cooker, which comprises a pot body and an inner pot put into the pot body, said pot body includes a base, a middle plate fixed on the base, a cover that can be closed on the middle plate to seal the inner pot in the pot body The upper cover is characterized in that: the base is also provided with a double heat preservation structure, the inner pot is placed in the double heat preservation structure, and the double heat preservation structure includes an inner heat insulation cover and an outer heat insulation cover, and the inner heat insulation The cover and the outer heat shield are connected to form an integral structure through the support heat shield, and a heat insulation zone is formed between the outer heat shield, the support heat shield and the inner heat shield. 2. The electric rice cooker according to claim 1, characterized in that: the upper edge of the outer heat shield is provided with an everted flange structure, and the flange structure is provided with connecting ears, which are connected to the supporting spacer through the connecting ears. Hot plate connection. 3. The electric rice cooker according to claim 1, characterized in that: the supporting heat shield is cylindrical, and is provided with a step with an inner side and a lower side, and the upper edge of the inner heat shield is positioned at the top of the step. inner and lower sides. 4 . The electric rice cooker according to claim 2 , wherein the outer heat shield is provided with continuous reinforcing ribs at the positions corresponding to the connecting ears on the side wall of the outer heat shield and the turned-out flange. 5. The electric rice cooker according to claim 2, characterized in that: the inner heat shield and the outer heat shield are positioned and connected by positioning silica gel. 6. The electric rice cooker according to claim 5, characterized in that: the inner heat shield is provided with positioning through holes, and the positioning silica gel includes a shelving part for placing it on the inner side of the outer heat shield, and the shelving part penetrates the inner compartment. The positioning through hole of the heat shield protrudes inwardly into the inner heat shield for positioning the support portion of the inner pot. The front end of the support portion is provided with an inclined surface for positioning the inner pot, and the inclined surface is inclined from top to bottom. 7. The electric rice cooker according to claim 1, characterized in that: a heating device is arranged inside the double heat preservation structure, and a cooling fan is arranged on the outside thereof, and the heating device includes a heating plate arranged under the bottom of the inner pot and a Side heating device on the side of the inner pot. 8. The electric rice cooker according to any one of claims 1-7, wherein the inner pot is a ceramic inner pot. 9. The electric rice cooker according to claim 3, characterized in that: the supporting heat insulating plate is provided with a plurality of downwardly extending fixing columns, and fitting holes are provided in the fixing columns, and the supporting heat insulating plate passes through the base through bolts And it is screw fit in the matching hole of the fixing column and fixed on the base. 10. The electric rice cooker according to claim 3, characterized in that: the supporting heat insulating plate is provided with a fixing portion protruding outward, the fixing portion is provided with a through hole, and the supporting heat insulating plate passes through the The through hole is fixed on the middle plate.