CN215348427U - High electric cooker utensil of security - Google Patents

Abstract

The utility model discloses an electric cooker with high safety, which comprises a shell, a heating container arranged in an opening of the shell, and a heating assembly for heating the heating container, wherein a temperature sensing element which can change color after being heated is detachably arranged on the upper side of the heating assembly, the temperature sensing element has a color change temperature which can be seen visually, and the color change temperature is more than 35 ℃. The temperature display device can clearly display the temperature state of the heating assembly on the premise of not influencing the use, thereby playing a warning role for a user and avoiding scalding hands caused by mistaken touch.

Description

High electric cooker utensil of security

Technical Field

The utility model belongs to the technical field of household cooking appliances, and particularly relates to an electric cooker with high safety.

Background

With the improvement of living standard, various household electrical cooking appliances, such as electric ovens, electric chafing dishes, frying and baking machines, electric steamers and the like, are emerging continuously. In the existing cooking devices, breakfast machines with multiple functions of frying, roasting, steaming, boiling and the like become the backache. The existing breakfast machine usually comprises a shell with an upper opening, a non-stick pan body detachably arranged in the opening of the shell, and a heating component positioned below the pan body is also arranged in the shell. The breakfast machine has small and exquisite integral appearance, can be used for frying and roasting, can also be used for stewing and the like without sticking a pot body, can quickly and conveniently finish the processing of breakfast, and is suitable for the living requirements of modern people.

However, the existing cooking appliances have the following defects when in use: first, to facilitate cleaning use, the pan body is typically removably placed over the heating assembly of the housing. After finishing the frying, baking, steaming, etc., the user usually takes the non-stick pan body away from the shell body, so as to enjoy breakfast such as bread, fried eggs, steamed stuffed bun, etc., made in the non-stick pan body, or wash the pan body. At this time, although the program of the whole machine stops running, the temperature of the heating component which is open and exposed in the shell is high, and if a user accidentally touches the heating component at this time, personal injury accidents are easily caused. .

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an electric cooker with high safety, which can clearly display the temperature state of a heating component on the premise of not influencing the use, further plays a role in warning a user and avoids scalding hands caused by mistaken touch.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a high electric cooker utensil of security, includes the casing, sets up at the intraoral heating vessel of casing opening, gives the heating element of heating vessel heating, is equipped with the temperature-sensing piece that can change colour after being heated in heating element upside detachably, the temperature-sensing piece has a visual discolour temperature, discolour temperature is greater than 35 ℃.

Similar to the prior art, the utility model comprises a housing, a heating container arranged in an opening of the housing, and a heating assembly for heating the heating container. When the electric cooker works, the heating assembly is electrified to generate heat to heat the heating container, so that food materials in the heating container are fried, roasted and the like.

It will be appreciated that the heating assembly typically includes a heat generating plate and a reflective enclosure. The working temperature of the heating plate can exceed two hundred degrees when the electric cooker works, when the electric cooker finishes the program and stops working, the temperature of the heating plate can not instantly drop to the room temperature, and if a user takes away the heating container at the moment, the heating plate can be directly exposed. When the modern heating plate in a high-temperature state is touched by hands by mistake, the safety accident of hand scalding can be caused.

Different from the prior art, the temperature sensing element which can change color after being heated is detachably arranged on the upper side of the heating component, and the temperature sensing element has a color change temperature which is higher than 35 ℃ and can be seen visually. Thus, when the electric cooker starts to work by electrifying, once the temperature of the heating assembly exceeds the color changing temperature of the temperature sensing element of 35 ℃, the temperature sensing element can automatically change color. When the electric cooker finishes the program and a user takes away the heating container, the color-changing temperature sensing piece can be clearly seen, so that the user is reminded and warned, the heating assembly is still in a high-temperature state at the moment, the situation that the user touches the heating assembly by mistake is avoided, and the safety performance during use is improved.

It can be understood that the environmental temperature in winter and summer has a larger difference, the utility model sets the color-changing temperature of the temperature-sensing element at 35 ℃, on one hand, the temperature-sensing element can not change color in time due to overhigh color-changing temperature, and then the temperature-sensing element can reliably change color when the heating assembly is in a high-temperature state, so as to ensure the effectiveness of the warning effect; on the other hand, the problem that the user is troublesome to operate and use due to the fact that the temperature sensing piece is mistakenly discolored when the temperature is too low in summer and is in a high-temperature state is avoided.

Preferably, the heating component comprises a heating disc and a reflecting cover which is arranged below the heating disc and is provided with a reflecting side wall which is bent upwards, an annular assembling gap is arranged between the reflecting side wall of the reflecting cover and the heating disc, and the temperature sensing piece comprises a first warning piece arranged in the assembling gap.

It will be appreciated that heat is conducted between the heat-generating plate and the reflector on its underside primarily by way of radiation. On one hand, the reflector can isolate the heat of the heating plate from being transferred to the shell, so that the overhigh temperature of the shell is avoided; on the other hand, the radiant heat of the heating plate can be reflected upwards to the heating container, and the heat efficiency of the heating plate is further improved.

Particularly, the reflection cover has a reflection side wall bent upward, so that the heat-insulating reflection can be performed on the heating plate in all directions. In addition, an annular assembly gap is arranged between the reflecting side wall of the reflecting cover and the heating plate, so that the heat of the heating plate can be prevented from being directly transferred to the reflecting side wall of the reflecting cover in a heat conduction mode.

Because the first warning piece in the temperature sensing piece is arranged in the annular assembly gap, the high temperature of the heating plate can be prevented from being largely transmitted to the first warning piece, and the first warning piece is prevented from being shortened in service life due to the fact that the first warning piece is often heated by the high temperature of the heating plate. It is conceivable that the temperature of the reflective side wall of the reflection case, the temperature of the edge of the heating plate, and the air temperature of the fitting clearance are surely higher than the discoloration temperature when the heating plate is electrically operated, and therefore, the effective discoloration of the temperature sensing member can be ensured on the basis of the prolonged service life of the temperature sensing member.

Preferably, the edge of the reflecting side wall is provided with an assembling flange, a heat insulation ring is arranged between the assembling flange and the edge of the opening of the shell, and the first warning piece comprises an outer edge pressed between the heat insulation ring and the assembling flange and an inner edge lapped on the edge of the heating plate.

It can be understood that the heat insulation ring with the slow heat conduction speed is favorable for preventing the temperature of the reflection side wall from being transmitted to the opening of the shell, and safety accidents such as scalding of a user caused by overhigh temperature rise of the shell are avoided.

Particularly, the outer edge of the first warning piece is in compression joint between the heat insulation ring and the assembling flange, so that on one hand, reliable positioning of the first warning piece is facilitated, and on the other hand, the temperature sensing piece is usually made of non-metal materials and is low in heat conduction speed, so that the outer edge of the first warning piece in compression joint between the heat insulation ring and the assembling flange can also slow down the speed of heat conduction from the assembling flange to the heat insulation ring and then to the shell, and further reduction of the working temperature of the shell is facilitated.

In addition, because the inward flange of first warning piece is the overlap joint on the dish edge that generates heat, on the one hand can directly bear the heat of the dish that generates heat, ensures timely discolouring of first warning piece, and on the other hand, can the shutoff effectively generate heat the annular gap between dish and the reflection lateral wall, avoids electric cooking utensil during operation soup, oil droplet etc. through the annular gap between dish that generates heat and the reflection lateral wall drippage to the bowl, especially generate heat on the dish, and then is favorable to promoting the security of electric cooking utensil during operation.

Preferably, the heat insulation ring is provided with a plurality of connecting holes which are distributed at intervals in the circumferential direction and are large in top and small in bottom, and the upper side of the outer edge of the first warning piece is provided with a connecting column which is matched with the connecting holes.

Because the outer edge upside of first warning piece is equipped with the spliced pole of adaptation in the connecting hole, consequently, first warning piece accessible spliced pole forms reliable tight fit with big connecting hole in the heat insulating ring upper shed is little, both makes things convenient for the demountable assembly of first warning piece, is favorable to the dismantlement and the washing after the use, can ensure the reliable location of first warning piece again, avoids it to drop by oneself.

Preferably, the outer edge and the inner edge are connected through a positioning ring groove with a U-shaped cross section, and a positioning ring rib positioned in the positioning ring groove is arranged on the inner side edge of the heat insulation ring.

Through the cooperation of position ring muscle and positioning ring groove, can make first warning piece obtain reliable and stable location. Especially, when dropping on first warning piece when soup, oil drip etc. the positioning ring groove can play the effect of storing soup, oil drip, avoids soup, oil drip to cross the outward flange and the inward flange of first warning piece and enter into in the annular gap between dish and the reflection lateral wall that generates heat.

Preferably, the temperature sensing element further comprises a circular second warning element clamped at the center of the heating disc.

It will be appreciated that when the electric cooker is turned off and the heating vessel is removed, the center of the heat generating plate becomes the most focused place of sight for the user. The temperature sensing piece also comprises a circular second warning piece clamped at the center of the heating disc, so that the reliable color change of the second warning piece can be ensured when the heating disc is still in a high-temperature state, and the effect of warning a user is also facilitated. Particularly, the second warning piece is clamped at the center of the heating plate, so that the assembly and disassembly and the subsequent maintenance are convenient.

Preferably, a clamping hole penetrating through the upper side and the lower side is formed in the center of the heating plate, an outwardly-expanded circular sinking groove is formed in the upper opening of the clamping hole, the second warning piece comprises a warning portion matched in the circular sinking groove and a clamping column penetrating out of the clamping hole downwards, and the clamping column comprises a cone frustum-shaped clamping joint arranged at the lower end of the clamping column in an outwardly-expanded mode.

Because the joint post of second warning piece lower part is including setting up the frustum of a cone shape joint that expands outward at the lower extreme, consequently, conveniently forms the joint through the joint hole of the dish that generates heat and the dish that generates heat. In addition, the heating plate is provided with an outward-expanded circular sinking groove at the upper opening of the clamping hole, and the second warning piece comprises a warning part matched in the circular sinking groove. Therefore, when the second warning piece is assembled on the heating plate, the flatness of the upper surface of the heating plate can be ensured, and the clamping joint at the lower end of the warning part at the upper end of the second warning piece can ensure that the second warning piece is reliably clamped and positioned in the clamping hole of the heating plate.

Preferably, a plurality of isolation bulges which are uniformly distributed in the circumferential direction are arranged at the lower side edge of the warning part, and an annular isolation gap is arranged between the outer side edge of the warning part and the circular sinking groove.

It can be understood that the temperature of the heating plate when the heating plate is powered on to work is higher, and therefore, the second warning member directly disposed at the center of the heating plate is easily failed due to repeated high temperature. According to the utility model, a plurality of isolation bulges which are uniformly distributed in the circumferential direction are arranged at the lower side edge of the warning part of the second warning piece, and an annular isolation gap is arranged between the outer side edge of the warning part and the circular sinking groove. Therefore, when the second warning piece is assembled in the clamping hole of the heating plate, the warning part of the second warning piece can be in point contact with the heating plate, the contact area is reduced, and the high-temperature heating plate is prevented from accelerating the aging and failure of the second warning piece.

Preferably, the clamping column comprises a central column body and a plurality of positioning ribs arranged on the cylindrical surface of the column body along the axial direction, and the positioning ribs are uniformly distributed in the circumferential direction.

Because the joint post includes the cylinder at center, sets up a plurality of location muscle pieces on the face of cylinder at the cylinder along the axial to make the joint post form the structure of similar spline, both can ensure the reliable and stable location of joint post in the joint downthehole, be favorable to reducing the area of contact between joint post and the joint hole again, and then avoid the temperature rise of second warning piece too high.

Preferably, the temperature sensing element is made of temperature sensing silica gel.

It should be noted that the temperature-sensitive silica gel can bear high temperature, has sufficient elasticity, and is convenient to be installed after being deformed and form sealing fit.

Therefore, the utility model has the following beneficial effects: under the prerequisite that does not influence the use, can clearly show heating element's temperature state, and then play the warning effect to the user, avoid touching the scald that leads to the hand because of the mistake.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention.

Fig. 2 is a schematic illustration of an exploded structure of the present invention.

Fig. 3 is a schematic view of a connection structure of the temperature sensing element and the heating element.

Fig. 4 is a schematic view of a connection structure of the second warning member and the heating plate.

In the figure: 1. the heating plate comprises a shell 2, an oven 3, a heating plate 31, a clamping hole 32, a circular sinking groove 4, a reflection cover 41, a reflection plate 42, a reflection side wall 421, an assembling flanging 5, a temperature sensing piece 51, a first warning piece 511, a connecting column 512, a positioning ring groove 52, a second warning piece 521, a warning part 522, a clamping column 523, a clamping head 524, an isolation protrusion 525, an isolation gap 526, a column 527, a positioning rib sheet 6, a heat insulation ring 61, a connecting hole 62 and a positioning ring rib.

Detailed Description

The utility model is further described with reference to the following detailed description and accompanying drawings.

As shown in fig. 1 and 2, an electric cooking appliance with high safety comprises a casing 1, a heating container (not shown) arranged in an opening of the casing, and a heating assembly for heating the heating container, wherein the heating assembly comprises a heating disc 3 and a reflecting cover 4 positioned on the lower side of the heating disc, a temperature sensing element 5 which can change color after being heated is detachably arranged on the upper side of the heating disc of the heating assembly, the temperature sensing element has a visual color change temperature, and the color change temperature is higher than 35 ℃.

It should be noted that the electric cooking appliance in this embodiment is preferably a breakfast machine, and an oven 2 is further provided beside the casing to bake and heat the bread lamp baked products.

When the electric cooker works, the heating disc of the heating assembly is electrified to generate heat to heat the heating container, so that food materials in the heating container are subjected to cooking processing such as frying, roasting, cooking and the like. When the electric cooker finishes the program and stops working, the temperature of the heating plate cannot instantly drop to the room temperature, and when a user takes away the heating container, the heating plate can be directly exposed. Once a user touches the fashionable heating plate in a high-temperature state by mistake, the safety accident of hand scalding can be caused.

Because the upside of the heating plate of the heating component is detachably provided with a temperature sensing piece which can change color after being heated, and the temperature sensing piece has a visual color change temperature which is more than 35 ℃. Therefore, when the electric cooker starts to work when being powered on or stops working when being powered off, as long as the temperature of the heating plate of the heating assembly exceeds the color changing temperature of the temperature sensing element of 35 ℃, the temperature sensing element can automatically change color, for example, from jade color to red color. Like this, when electric cooker utensil end procedure, even the user takies away the heating container, the user can also see the temperature sensing piece that discolours clearly to remind and warn the user, the heating element at this moment is still in high temperature state, avoids appearing the condition that the user touched heating element with the hand mistake and appears, improves the security performance when electric cooker utensil uses then.

It is known that there is a large difference in ambient temperature between winter and summer, and particularly, the temperature in high temperature days in summer is 30 c, even more than 35 c, and it is understood that electric cooking appliances are generally used indoors, and the maximum temperature in summer is generally not higher than 30 c. Therefore, the color changing temperature of the temperature sensing element is set to be 35 ℃, on one hand, the problem that the temperature sensing element cannot change color in time due to overhigh color changing temperature is avoided, and then the temperature sensing element can reliably change color when the heating assembly is in a high-temperature state so as to ensure the effectiveness of the warning effect; on the other hand, the problem that the user is troublesome to operate and use due to the fact that the temperature sensing piece is mistakenly discolored because the temperature of the temperature sensing piece is high when the temperature of the temperature sensing piece is too low and the temperature of the temperature sensing piece is high in summer is avoided.

Preferably, the temperature sensing element is made of temperature sensing silica gel, can bear the high temperature of the electric cooking appliance, and has enough elasticity, so that the temperature sensing element is convenient to mount after being deformed and forms sealing fit.

Preferably, as shown in fig. 3, the reflector of the heating assembly includes a reflective plate 41 located below the heating plate, and a reflective sidewall 42 formed by bending the edge of the heating plate upward, that is, a gap is formed between the heating plate and the reflective plate, and an annular assembly gap is formed between the reflective sidewall of the reflector and the heating plate, so that the heat of the heating plate can be prevented from being directly transferred to the reflective sidewall of the reflector by heat conduction.

It will be appreciated that the edge temperature of the heat-generating disk will be lower than the center temperature. Therefore, the temperature sensing member includes the first warning member 51 disposed in the assembly gap to prevent the high temperature of the heat generating plate from being largely transmitted to the first warning member, and prevent the first warning member from being shortened in service life by the high temperature of the heat generating plate. When the heating plate is electrified to work, the temperature of the reflecting side wall of the reflecting cover, the temperature of the edge of the heating plate and the air temperature of the assembly gap are higher than the color-changing temperature, so that the effective color change of the first warning piece can be ensured on the basis of prolonging the service life of the first warning piece of the temperature sensing piece.

Furthermore, the edge of the reflecting side wall is provided with an assembling flange 421, and a heat insulation ring 6 with a slow heat conduction speed is arranged between the assembling flange and the edge of the opening of the shell, so that the temperature of the reflecting side wall is prevented from being transmitted to the opening of the shell, and the safety accidents that a user is scalded and the like caused by overhigh temperature rise of the shell, particularly the opening, are avoided. In addition, the first warning piece comprises an outer edge pressed between the heat insulation ring and the assembling flange and an inner edge lapped on the edge of the heating plate.

When the outer edge of the first warning piece is pressed between the heat insulation ring and the assembling flange, the first warning piece is reliably positioned and is convenient to assemble. On the other hand, the heat conduction speed of the temperature sensing piece made of the temperature sensing silica gel is lower, so that the outer edge of the first warning piece which is pressed between the heat insulation ring and the assembling flange can also reduce the heat conduction speed of the assembling flange to the heat insulation ring and then to the opening of the shell, and the working temperature of the shell can be further reduced.

It can be understood that, because the inner edge of the first warning piece is lapped on the edge of the heating plate, on one hand, the first warning piece can directly bear the heat of the heating plate, thereby ensuring the timely color change of the first warning piece and being convenient for assembly; on the other hand, the annular gap between the heating disc and the reflecting side wall can be effectively blocked, soup, oil drops and the like of the electric cooker are prevented from dropping on the reflecting cover, particularly the heating disc through the annular gap between the heating disc and the reflecting side wall when the electric cooker works, and the safety of the electric cooker during working is further improved.

In order to facilitate the assembly of the first warning piece, a plurality of inverted cone-shaped connecting holes 61 which are distributed at intervals in the circumferential direction and are large at the top and small at the bottom can be formed in the heat insulation ring; or a counter bore is arranged at the opening at the upper end of the connecting hole, and an inverted cone-shaped connecting column 511 which is matched with the connecting hole is arranged on the upper side of the outer edge of the first warning piece; or the upper side of the outer edge of the first warning piece is provided with a connecting column matched in the connecting hole, and the upper end of the connecting column is provided with an outward-expanding clamping joint. That is to say, first warning spare accessible spliced pole forms reliable tight fit or joint with the connecting hole on the thermal-insulated circle, has both made things convenient for the demountable assembly of first warning spare, is favorable to the dismantlement and the washing after the use, can ensure the reliable location of first warning spare again, avoids it to drop by oneself.

Furthermore, the outer edge and the inner edge of the first warning piece are integrally connected through a positioning ring groove 512 with a U-shaped cross section, and the inner edge of the heat insulation ring is provided with a positioning ring rib 62 positioned in the positioning ring groove. That is to say, the positioning ring rib is embedded in the positioning ring groove during assembly, so that the first warning piece can be stably and reliably positioned.

During the culinary art, when dropping on first warning piece when soup, oil drip etc. the positioning ring groove can play the effect of storing soup, oil drip, avoids soup, oil drip to enter into the annular gap between dish and the reflection lateral wall that generates heat through the outward flange and the inward flange of first warning piece.

As another preferred scheme, the temperature sensing element further comprises a circular second warning element 52 clamped at the center of the heating disc, so that the temperature sensing element is convenient to disassemble and assemble and to maintain subsequently. When the electric cooker stops working and the heating container is taken away, the center of the heating plate is the highest temperature of the heating plate on one hand and becomes the most concerned position of the sight of the user on the other hand. At the moment, the second warning piece which is clamped at the center of the heating plate and is circular can ensure that the second warning piece reliably changes color when the heating plate is still in a high-temperature state, and the effect of warning a user is also facilitated.

Further, as shown in fig. 3 and 4, a clamping hole 31 penetrating through the upper side and the lower side may be formed in the center of the heating plate, and an outwardly-expanded circular sinking groove 32 is formed at an upper opening of the clamping hole, so that a sinking hole is formed at the upper opening of the clamping hole. The second warning piece comprises a warning part 521 matched with the circular sinking groove and a clamping column 522 downwards penetrating through the clamping hole, wherein the clamping column comprises a cone frustum-shaped clamping joint 523 arranged at the lower end of the clamping column in an outward expansion mode.

When the second warning piece is installed, the lower end of the clamping column is extruded through the clamping hole in the shape of the cone frustum of the clamping head, when the clamping head penetrates through the clamping hole, the elasticity of the clamping head is restored, the clamping head is connected to the lower end of the clamping hole, and the warning part at the upper end of the clamping column is matched with the circular sinking groove at the upper end of the clamping hole, so that the leveling of the upper surface of the heating disc is ensured. Of course, the diameter of the small end of the lower portion of the truncated cone-shaped clamping joint is smaller than the aperture of the clamping hole, and the diameter of the large end of the upper portion of the truncated cone-shaped clamping joint is larger than the aperture of the clamping hole.

In order to avoid directly transmitting the high temperature of the heating plate to the second warning member, a plurality of isolation protrusions 524 uniformly distributed in the circumferential direction are arranged at the lower edge of the warning part, and an annular isolation gap 525 is arranged between the outer side edge of the warning part and the circular sinking groove. Therefore, when the second warning piece is assembled in the clamping hole of the heating plate, the warning part of the second warning piece can be in point contact with the heating plate, the contact area is reduced, and the phenomenon that the heating plate with high temperature accelerates the aging and failure of the second warning piece is avoided.

In addition, the joint post includes cylinder 526 at center, along a plurality of location muscle pieces 527 of axial setting on the face of cylinder, each location muscle piece is evenly distributed in circumference to make the joint post form the structure of similar spline, both can ensure the reliable and stable location of joint post in the joint downthehole, be favorable to reducing the area of contact between joint post and the joint hole again, and then avoid the temperature rise of second warning piece too high.

Of course, the cylindrical surface on which the outer edge of each positioning rib is located should form an interference fit with the clamping hole to ensure stable and reliable positioning of the clamping column in the clamping hole.

It will be understood that various changes and modifications other than those described in the preferred embodiments described above may be made by those skilled in the art without departing from the spirit of the utility model, which is defined in the appended claims.

Claims (10)

1. The utility model provides a high electric cooker utensil of security, includes the casing, sets up at the intraoral heating vessel of casing opening, gives the heating element of heating vessel heating, characterized by, is equipped with the temperature sensing piece that can change color after being heated in heating element upside detachably, the temperature sensing piece has a visual color temperature that discolours, the color temperature is greater than 35 ℃.

2. An electric cooking appliance as claimed in claim 1, wherein the heating unit comprises a heating plate, a reflective cover disposed under the heating plate and having an upwardly bent reflective sidewall, an annular assembly gap is provided between the reflective sidewall of the reflective cover and the heating plate, and the temperature sensing member comprises a first warning member disposed in the assembly gap.

3. An electric cooking appliance as claimed in claim 2, wherein the reflecting wall is provided at its edge with an assembling flange, and a heat insulating ring is provided between the assembling flange and the opening edge of the casing, and the first warning member comprises an outer edge pressed between the heat insulating ring and the assembling flange and an inner edge overlapping the edge of the heating plate.

4. An electric cooking appliance as claimed in claim 3, wherein the heat insulating ring has a plurality of holes spaced apart from each other in the circumferential direction and having a larger top and a smaller bottom, and the first warning member has a connecting post fitted into the hole at the upper side of the outer edge thereof.

5. An electric cooking appliance as claimed in claim 3, wherein the outer and inner edges are connected by a positioning ring groove having a U-shaped cross section, and the inner edge of the heat insulating ring is provided with a positioning ring rib positioned in the positioning ring groove.

6. The electric cooking appliance as claimed in claim 1, wherein the temperature sensing member further comprises a circular second warning member engaged with the center of the heat generating plate.

7. An electric cooking appliance as claimed in claim 6, wherein a locking hole is formed at the center of the heat generating plate to penetrate the upper and lower sides, a circular sinking groove is formed at the upper opening of the locking hole to expand outward, the second warning member includes a warning portion fitted in the circular sinking groove and a locking post extending downward through the locking hole, and the locking post includes a truncated cone shaped locking head formed at the lower end of the locking post to expand outward.

8. An electric cooking appliance as claimed in claim 7, wherein a plurality of isolating protrusions are formed at the lower edge of the warning portion and are uniformly distributed in the circumferential direction, and an annular isolating space is formed between the outer side of the warning portion and the circular sinking groove.

9. An electric cooking appliance as claimed in claim 7, wherein the locking column comprises a central column body and a plurality of positioning ribs axially arranged on the cylindrical surface of the column body, and the positioning ribs are uniformly distributed in the circumferential direction.

10. An electric cooking appliance as claimed in claim 1, wherein the temperature sensing member is made of temperature sensing silica gel.

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