CN216652070U - Heating device and cooking utensil - Google Patents

Abstract

The utility model discloses a heating device for a cooking appliance. The heating device comprises a heat preservation cover. The heat-insulating cover has a bottom wall and a side wall. The bottom wall includes hydrops portion, barrier portion and subsidence portion. The liquid accumulating part is arranged along the circumferential direction of the bottom wall and is connected with the side wall so as to collect liquid flowing down from the side wall. The blocking part is arranged along the circumferential direction of the bottom wall and is positioned on the inner side of the liquid accumulating part, at least part of the blocking part is higher than the liquid accumulating part, the blocking part is connected with the liquid accumulating part, and the blocking part is provided with at least one flow guide opening. The sinking portion is located the inboard of blocking portion and is connected with the blocking portion, and the bottom surface of sinking portion is not higher than the bottom surface of hydrops portion, and the portion of just sinking passes through water conservancy diversion mouth and hydrops portion intercommunication, and the portion of sinking sets up at least one outage to make the liquid that hydrops portion collected can be discharged from the outage through the water conservancy diversion mouth. According to the heating device provided by the utility model, a water outlet does not need to be arranged at the low point of the liquid accumulation part, and the arrangement of a circuit below the heat-preservation cover is facilitated.

Description

Heating device and cooking utensil

Technical Field

The utility model relates to the technical field of kitchen appliances, in particular to a heating device and a cooking appliance.

Background

At present, some electric cookers fix an electric heating plate on a heat-insulating cover to heat an inner pot. Then the rivers appear often in the use and cover on the heat preservation, from it can flow on electric hot plate binding post, cause to form the potential safety hazard.

Therefore, there is a need for a heating device and cooking appliance that at least partially address the above issues.

SUMMERY OF THE UTILITY MODEL

In the summary section a series of concepts in a simplified form is introduced, which will be described in further detail in the detailed description section. The inventive content of the present invention is not intended to define key features or essential features of the claimed solution, nor is it intended to be used to limit the scope of the claimed solution.

To at least partially solve the above problems, a first aspect of the present invention provides a heating apparatus for a cooking appliance, the heating apparatus including a heat retaining cover having a bottom wall and a side wall, the bottom wall including:

a liquid accumulation portion provided along a circumferential direction of the bottom wall, the liquid accumulation portion being connected to the side wall to collect liquid flowing down from the side wall;

the blocking part is arranged along the circumferential direction of the bottom wall and is positioned on the inner side of the liquid accumulation part, at least part of the blocking part is higher than the liquid accumulation part, the blocking part is connected with the liquid accumulation part, and the blocking part is provided with at least one flow guide opening; and

the sinking portion, the sinking portion be located the inboard of blocking portion and with the blocking portion is connected, the bottom surface of sinking portion is not higher than the bottom surface of hydrops portion, just the sinking portion passes through the water conservancy diversion mouth with hydrops portion intercommunication, the sinking portion is provided with at least one outage to make the liquid that hydrops portion was collected can pass through the water conservancy diversion mouth is followed the outage discharges.

According to the heating device provided by the utility model, the liquid accumulated in the liquid accumulation part can be discharged from the liquid discharge hole through the flow guide port, so that a water discharge port does not need to be arranged at the low point of the liquid accumulation part, and the arrangement of a line below the heat-preservation cover is facilitated.

Further, the bottom surface of the flow guide opening is not higher than the bottom surface of the liquid accumulation part, and the bottom surface of the sinking part is lower than the bottom surface of the flow guide opening. Thereby, a level difference can be formed, facilitating the discharge of the liquid.

Further, the edge of the bottom wall is integrally and downwardly recessed to form a groove, and the groove is configured to be the liquid accumulating part. According to this scheme, can utilize the recess to save liquid, avoid the sinuous flow of liquid, and easily production, can raise the lower cost of efficiency.

Further, the part of the bottom wall, which is located on the inner side of the liquid loading part, is integrally and integrally formed and protrudes upwards to form a protrusion, and the protrusion is configured as the blocking part. Thus, the efficiency is further improved, the cost is reduced, and meanwhile, the overflow of liquid can be avoided.

Further, a through hole is formed in the bottom wall, the through hole can be used for installing a wiring terminal, and a water retaining rib protruding upwards is arranged on the periphery of the through hole. According to the scheme, the wiring terminal can be protected from being contacted with liquid.

Further, the heating device further comprises an electric heating assembly, the electric heating assembly is located in the heat-preservation cover and connected to the bottom wall of the heat-preservation cover, and the electric heating assembly is separated from the side wall of the heat-preservation cover. According to the arrangement, the liquid can flow down from the side wall of the heat preservation cover.

Further, the sinking portion comprises a first sinking portion and a second sinking portion, the first sinking portion is connected with the blocking portion, the liquid discharging hole is formed in the first sinking portion, the second sinking portion is located on the inner side of the first sinking portion, and the bottom surface of the second sinking portion is lower than that of the first sinking portion;

the diapire is still including being used for the installation electric heating element's installation department, the installation department is located the inboard of second portion of sinking, installation department has the centre bore, electric heating element includes the temperature sensing cup, the temperature sensing cup is at least partly passed the centre bore, just hydrops portion is collected liquid also can pass through the water conservancy diversion mouth is followed the centre bore is discharged. According to the arrangement, liquid can be reserved from the middle of the heat-insulating cover, the installation space of the temperature-sensing cup is utilized, the design is optimized, the number of the liquid discharge holes in the bottom can be reduced, and the arrangement of wires is facilitated.

Further, the distance between the liquid discharge hole and the flow guide port is smaller than the distance between the flow guide port and the through hole and/or the water retaining rib. Therefore, liquid accumulation at the water blocking rib can be reduced, and safety is further improved.

Further, the blocking part is provided with a plurality of flow guide openings which are uniformly arranged along the circumferential direction of the bottom wall;

the sinking part is provided with a plurality of liquid discharge holes, the number of the liquid discharge holes is larger than or equal to that of the flow guide ports, and one flow guide port at least corresponds to one liquid discharge hole. According to the scheme, the drainage speed can be further improved.

A second aspect of the present invention provides a cooking appliance comprising:

a kind of deep pot body, the internal pot and above-mentioned first aspect of heating device that are provided with of a kind of deep pot, heating device is used for heating interior pot to and

the lid, the lid can be connected to with opening and shutting the a kind of deep pot body, works as the lid closes the a kind of deep pot body time, the lid with form the culinary art space between the interior pot.

According to the cooking appliance of the present invention, similar technical effects to those of the heating device of the first aspect can be obtained.

Drawings

The following drawings of the utility model are included to provide a further understanding of the utility model. The drawings illustrate embodiments of the utility model and, together with the description, serve to explain the principles of the utility model.

In the drawings:

fig. 1 is a partial structural schematic view of a pot body of a cooking appliance according to the present invention;

FIG. 2 is an exploded schematic view of a heating device according to the present invention;

FIG. 3 is a cut-away schematic view of a heating device according to the present invention;

FIG. 4 is a schematic top view of the heat retention shield of FIG. 2; and

fig. 5 is a sectional view of the heat-retaining cover in fig. 4.

Description of reference numerals:

100: the heating device 110: the heat preservation cover 111: side wall

112: bottom wall 113: liquid accumulating portion 114: barrier section

115: the diversion port 116: first sinker 117: drain hole

118: through hole 119: water retaining ribs 120: second sinking part

121: mounting portion 122: center hole 123: convex hull

124: the support ribs 125: the drainage cylinder 150: electric heating assembly

151: the heat generation plate 152: temperature-sensing cup 180: pot body

181: the inner pan 182: base 126: fixing part

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the utility model.

In the following description, a detailed description will be given in order to thoroughly understand the present invention. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of these exemplary embodiments to those skilled in the art. It is apparent that the implementation of the embodiments of the utility model is not limited to the specific details familiar to those skilled in the art. The following detailed description of the preferred embodiments of the utility model, however, the utility model is capable of other embodiments in addition to those detailed.

It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the utility model. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

Ordinal words such as "first" and "second" are referred to herein merely as labels, and do not have any other meaning, such as a particular order, etc. Also, for example, the term "first component" does not itself imply the presence of "second component", and the term "second component" does not itself imply the presence of "first component". It is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", and the like are used herein for purposes of illustration only and are not limiting.

An exemplary embodiment according to the present invention will now be described in more detail with reference to fig. 1 to 5.

The cooking appliance (not shown) of the present invention generally includes a pot body 180 and a lid body (not shown). The pot body 180 is substantially in the shape of a rounded rectangular parallelepiped and has a receiving cavity in the shape of a cylinder, and the inner pot 181 can be freely put into or taken out of the receiving cavity to facilitate the cleaning of the inner pot 181. The inner pot 181 is generally made of a metal material and has a circular opening on an upper surface thereof for containing a material to be heated, such as rice, soup, etc. The pot body 180 includes therein a heating device 100 for heating the inner pot 181. For example, in the present embodiment, the heating device 100 includes the thermal cover 110 and the electric heating assembly 150, and the thermal cover 110 is disposed in the accommodating cavity and has a shape corresponding to the accommodating cavity. The electric heating element 150 is arranged at the bottom of the heat-preserving cover 110, and the inner pot 181 is arranged in the heat-preserving cover 110 and is positioned above the electric heating element 150.

The cover body is substantially in the shape of a rounded rectangular parallelepiped and substantially corresponds to the shape of the pot body 180. The lid body is pivotally connected to the pot body 180 in an openable and closable manner for covering the pot body 180. When the cover body covers the cooker body 180, a cooking space is formed between the cover body and the inner pot 181. The cooking appliance may further have a temperature sensing device, such as an upper temperature sensing device (not shown) provided in the cover and/or a lower temperature sensing device provided below the inner pan 181. The cooking appliance may further include a lid opening button mechanism (not shown) preferably provided on the pot body 180, the lid opening button mechanism being connected with a locking mechanism for locking the lid body on the pot body 180 through a transmission mechanism, the lid body being automatically openable when the lid opening button mechanism is pressed.

The cooking appliance further comprises a Control device (not shown) for the purpose of implementing cooking Control of the cooking appliance, which may be an MCU (Micro Control Unit). The control device is preferably electrically connected to the heating device 100 to effect control of the heating.

Preferably, the temperature sensing means includes a lower temperature sensing means and an upper temperature sensing means. The upper and lower temperature sensing devices are electrically connected with the control device of the cooking appliance to feed back the sensed temperature signal to the control device after sensing the temperature of the inner pot 181, so that the control device can realize more accurate control over the cooking process based on the temperature signal. When the inner pot 181 is placed in the accommodating cavity of the pot body 180, the lower temperature sensing device can sense the temperature of the bottom of the inner pot 181, for example, the lower temperature sensing device can be in direct or indirect contact with the bottom of the inner pot 181.

Please refer to fig. 2 to 5 for the specific structure of the heating apparatus 100. Wherein, the heat preservation cover 110 is provided with a bottom wall 112 and a side wall 111, and the electric heating component 150 comprises a heating plate 151. The electric heating element 150 is located in the heat-insulating cover 110 and connected to the bottom wall 112 of the heat-insulating cover 110, and the periphery of the heating plate 151 is spaced from the side wall 111 of the heat-insulating cover 110. According to the above arrangement, the liquid can flow from the side wall 111 to the bottom wall 112 of the heat retaining cap 110.

The bottom wall 112 includes a liquid trap portion 113, a stopper portion 114, and a depressed portion. Liquid accumulation portion 113 is arranged along the circumferential direction of bottom wall 112 and connected with side wall 111, barrier portion 114 is arranged inside liquid accumulation portion 113 along the circumferential direction of bottom wall 112 and connected with liquid accumulation portion 113, and the sinking portion is arranged inside barrier portion 114 and connected with barrier portion 114.

The liquid trap 113 collects liquid flowing down from the side wall 111. The blocking portion 114 is at least partially higher than the liquid accumulating portion 113 so that it can retain liquid in the liquid accumulating portion 113. The bottom surface of the sinking portion is not higher than the bottom surface of the liquid accumulating portion 113. The blocking portion 114 is provided with at least one flow guide opening 115, the flow guide opening 115 can communicate the liquid accumulation portion 113 with the sinking portion, and the sinking portion is provided with at least one liquid discharge hole 117, so that the liquid collected by the liquid accumulation portion 113 can be discharged from the liquid discharge hole 117 through the flow guide opening 115.

For example, a drain hole may be provided on the base 182 of the pot body corresponding to the drain hole 117 so that the liquid dropping from the drain hole 117 onto the base 182 can be drained out of the pot body through the drain hole. Preferably, a drain hole may be located directly below the drain hole 117 to facilitate rapid drainage of the liquid.

In a preferred embodiment, the bottom surface of the diversion opening 115 is not higher than the bottom surface of the liquid accumulation portion 113, and the bottom surface of the sunken portion is lower than the bottom surface of the diversion opening 115. Further preferably, the lowest point of the diversion opening 115 is lower than the lowest point of the liquid accumulation portion 113, and the bottom surface of the sinking portion is lower than the lowest point of the diversion opening 115. Thereby, a level difference can be formed, facilitating the discharge of the liquid.

According to the heating device 100 of the present invention, the liquid accumulated in the liquid accumulation portion 113 can be discharged from the liquid discharge hole 117 through the diversion opening 115, so that a drain opening does not need to be arranged at a low point of the liquid accumulation portion 113, which is beneficial to the arrangement of lines below the heat preservation cover 110.

Specifically, refer to fig. 4 and 5. The heat-retaining cover 110 is preferably constructed integrally as one piece. Illustratively, the edge of the bottom wall 112 is recessed integrally downward to form a groove configured as a liquid trap 113. The portion of the bottom wall 112 inside the liquid trap portion 113 is integrally formed to protrude upward to form a protrusion, which is configured as a stopper portion 114. Also, the middle portion of the bottom wall 112 may be integrally formed to be depressed downward to form a depressed portion.

In order to facilitate the wiring of the heating assembly, the bottom wall 112 is provided with a through hole 118 for mounting a wiring terminal of the heating plate 151. The periphery of the through hole 118 is provided with a water blocking rib 119, and the water blocking rib 119 protrudes upward from the bottom wall 112 to protect the terminal from liquid.

Preferably, the diversion opening 115 is disposed away from the through hole 118 and/or the water blocking rib 119, and the liquid discharge hole 117 is disposed close to the diversion opening 115. So as to avoid liquid gathering at the water retaining rib 119 while draining water rapidly, and reduce the risk of short circuit. Further preferably, the distance between the drainage hole 117 and the diversion opening 115 is smaller than the distance between the diversion opening 115 and the through hole 118 and/or the water blocking rib 119.

In an alternative embodiment, the blocking portion 114 is provided with a plurality of flow guide openings 115, and the plurality of flow guide openings 115 are uniformly arranged along the circumferential direction of the bottom wall 112. The sinking portion is provided with a plurality of drain holes 117 the same in number as the diversion ports 115, and the drain holes 117 correspond to the diversion ports 115 one to one.

For example, in the present embodiment, three flow guide ports 115 and three liquid discharge holes 117 are provided. In addition, the three diversion ports 115 are uniformly arranged to form three vertexes of a regular triangle, and the three liquid discharge holes 117 can also be arranged similarly. Wherein the through hole 118 is located at the middle position of the two diversion ports 115.

In an embodiment not shown, the number of drainage holes 117 may also be greater than the number of flow guides 115, in which case one flow guide 115 may correspond to two or more drainage holes 117.

Refer to fig. 3 and 4. The sinker includes a first sinker 116 and a second sinker 120. First sinker 116 is connected to barrier 114 and second sinker 120 is located inside and connected to first sinker 116. Alternatively, the second depressed portion 120 is further depressed integrally at the middle portion of the bottom wall 112 such that the bottom surface of the second depressed portion 120 is lower than the bottom surface of the first depressed portion 116. Wherein the drain hole 117 is provided on the first dip portion 116. Preferably, the bottom side of the first sinker 116 is provided with a drain cylinder 125, and the drain cylinder 125 extends downward along the circumference of the drain hole 117 to guide the drained liquid.

The bottom wall 112 is further provided with a mounting portion 121 for mounting the electric heating element 150, which is located inside the second depressed portion 120. Illustratively, the middle portion of the bottom wall 112 may further be recessed to form a mounting portion 121, and the mounting portion 121 is at least partially lower than the second sunken portion 120. The middle of the second sinker 120 or the middle of the mounting portion 121 is provided with a central hole 122. Thus, the liquid can flow out from the central hole 122 through the first and second sinking portions 116 and 120 and the mounting portion 121 at a time by the stepwise height difference.

The electric heating assembly 150 further comprises a temperature sensing cup 152, and the temperature sensing cup 152 is located in the middle of the heating plate 151. The temperature sensing cup 152 may constitute the lower temperature sensing means described above. The central aperture 122 may be used to position the temperature sensing cup 152, and in particular, the temperature sensing cup 152 may be positioned at least partially through the central aperture 122. Therefore, the effect of draining and installing the temperature sensing cup 152 is achieved by using the lowest position of the bottom wall 112, the design is optimized, the number of the bottom drain holes 117 can be reduced, and the arrangement of the wires is facilitated.

Preferably, both sides of the central hole 122 are provided with support ribs 124 protruding upward for fixing the heat generating plate 151. In addition, a plurality of convex hulls 123 may be integrally formed on the mounting portion 121 along the circumferential direction to improve the strength of the mounting portion 121 and/or the bottom wall 112. The first sunken portion 116 is provided with a plurality of fixing portions 126 along a circumferential direction, which may also fix the heat generating plate 151. For example, the heat generating plate 151 may be mounted to the fixing portion 126 by screws.

Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. Features described herein in one embodiment may be applied to another embodiment, either alone or in combination with other features, unless the feature is not applicable or otherwise stated in the other embodiment.

The present invention has been illustrated by the above embodiments, but it should be understood that the above embodiments are for illustrative and descriptive purposes only and are not intended to limit the utility model to the scope of the described embodiments. Furthermore, it will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that many variations and modifications may be made in accordance with the teachings of the present invention, all of which fall within the scope of the present invention as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (10)

1. A heating device for a cooking appliance, characterized in that it comprises a heat-retaining cover (110), said cover (110) having a bottom wall (112) and a lateral wall (111), said bottom wall (112) comprising:

a liquid accumulation part (113), wherein the liquid accumulation part (113) is arranged along the circumferential direction of the bottom wall (112), and the liquid accumulation part (113) is connected with the side wall (111) to collect liquid flowing down from the side wall (111);

the blocking part (114) is arranged along the circumferential direction of the bottom wall (112) and is positioned on the inner side of the liquid accumulating part (113), the blocking part (114) is at least partially higher than the liquid accumulating part (113), the blocking part (114) is connected with the liquid accumulating part (113), and the blocking part (114) is provided with at least one flow guide opening (115); and

the sinking portion is located the inboard of barrier portion (114) and with barrier portion (114) are connected, the bottom surface of sinking portion is not higher than the bottom surface of hydrops portion (113), just the sinking portion passes through water conservancy diversion mouth (115) with hydrops portion (113) intercommunication, the sinking portion is provided with at least one outage (117), so that the liquid that hydrops portion (113) were collected can pass through water conservancy diversion mouth (115) are followed outage (117) are discharged.

2. The heating device according to claim 1, wherein a bottom surface of the flow guide port (115) is not higher than a bottom surface of the liquid trap portion (113), and a bottom surface of the depressed portion is lower than the bottom surface of the flow guide port (115).

3. The heating device according to claim 1, wherein an edge of the bottom wall (112) is recessed integrally downward to form a groove configured as the liquid trap portion (113).

4. The heating device according to claim 1, wherein a portion of the bottom wall (112) inside the liquid trap (113) is integrally formed to protrude upward to form a protrusion configured as the stopper (114).

5. The heating device according to claim 1, wherein the bottom wall (112) is provided with a through hole (118), the through hole (118) can be used for mounting a wiring terminal, and the periphery of the through hole (118) is provided with a water blocking rib (119) protruding upwards.

6. The heating device according to claim 1, further comprising an electric heating assembly (150), wherein the electric heating assembly (150) is located within the heat-retaining cover (110) and connected to the bottom wall (112) of the heat-retaining cover (110), and the electric heating assembly (150) is spaced apart from the side wall (111) of the heat-retaining cover (110).

7. The heating device according to claim 6,

the sinking part comprises a first sinking part (116) and a second sinking part (120), the first sinking part (116) is connected with the blocking part (114), the liquid discharging hole (117) is arranged on the first sinking part (116), the second sinking part (120) is positioned on the inner side of the first sinking part (116), and the bottom surface of the second sinking part (120) is lower than that of the first sinking part (116);

diapire (112) still including being used for the installation department (121) of electric heat subassembly (150), installation department (121) are located the inboard of second portion (120) that sinks, installation department (121) department has centre bore (122), electric heat subassembly (150) include temperature sensing cup (152), temperature sensing cup (152) at least part is passed centre bore (122), just hydrops portion (113) are collected liquid also can pass through water conservancy diversion mouth (115) are followed centre bore (122) are discharged.

8. The heating device according to claim 5, wherein the distance between the drain hole (117) and the diversion opening (115) is smaller than the distance between the diversion opening (115) and the through hole (118) and/or the water blocking rib (119).

9. The heating device according to any one of claims 1 to 8,

the blocking part (114) is provided with a plurality of flow guide openings (115), and the flow guide openings (115) are uniformly arranged along the circumferential direction of the bottom wall (112);

the sinking part is provided with a plurality of liquid discharge holes (117), the number of the liquid discharge holes (117) is larger than or equal to that of the flow guide ports (115), and one flow guide port (115) at least corresponds to one liquid discharge hole (117).

10. A cooking appliance, comprising:

a pot body (180), inside said pot body (180) there is provided an inner pot (181) and a heating device (100) of any of claims 1 to 9, said heating device (100) being for heating said inner pot (181), and

a lid openably and closably connected to the pot body (180), when the lid closes the pot body (180), a cooking space is formed between the lid and the inner pot (181).

Images