CN110772123A

CN110772123A - Electric heating assembly, cooking assembly and small kitchen appliance

Info

Publication number: CN110772123A
Application number: CN201810858709.3A
Authority: CN
Inventors: 阳梦乔; 丁志辉
Original assignee: Zhejiang Supor Electrical Appliances Manufacturing Co Ltd
Current assignee: Zhejiang Supor Electrical Appliances Manufacturing Co Ltd
Priority date: 2018-07-31
Filing date: 2018-07-31
Publication date: 2020-02-11

Abstract

The application provides an electric heating assembly, a cooking assembly and a small kitchen appliance, wherein the electric heating assembly comprises a heating element, and the heating element comprises a heating part and an electric connection part which are connected with each other; a sealing member disposed on the heating member and accommodating at least a part of the electrical connection portion; when the electric connection part is connected with the external assembly, the sealing part and the external assembly form a closed space; at least part of the electrical connection portion is accommodated in the closed space. This application electric heating element has good waterproof performance.

Description

Electric heating assembly, cooking assembly and small kitchen appliance

Technical Field

The application relates to the technical field of kitchen household appliances, in particular to an electric heating assembly, a cooking assembly and a small kitchen household appliance.

Background

At present, small kitchen appliances such as frying and baking machines are widely used in the life of people, and are popular due to the characteristics of quick cooking and light use. The existing kitchen small household appliances in the market are generally used in indoor environment, and if the kitchen small household appliances are used in outdoor environment, various severe national safety test standards, particularly a water spraying test, need to be met, and the existing kitchen small household appliances often cannot meet the test requirements, so that the use of the kitchen small household appliances in the outdoor environment is limited.

The inventor of the application finds that when the existing small kitchen appliance is used, rainwater easily flows into a live part of the small kitchen appliance, so that the small kitchen appliance is subjected to electric leakage, short circuit or fire, and safety accidents are caused.

Disclosure of Invention

The application provides an electric heating component, culinary art subassembly and little household electrical appliances in kitchen to solve the problem of the easy water intaking electric leakage of little household electrical appliances in kitchen of prior art.

In order to solve the technical problem, the application adopts a technical scheme that: providing an electric heating assembly, wherein the electric heating assembly comprises a heating element comprising a heating portion and an electric connecting portion which are connected with each other; a sealing member provided on the heating member and accommodating at least a part of the electrical connection portion; when the electric connection part is connected with an external component, the sealing part and the external component form a closed space; at least part of the electric connection part is accommodated in the closed space.

In order to solve the technical problem, the application adopts a technical scheme that: providing a cooking assembly, wherein the cooking assembly comprises a housing provided with a mounting groove; the heating container is arranged in the mounting groove; and the electric heating component is used for heating the heating container, wherein the heating element is positioned on the back surface of the heating container.

In order to solve the above technical problem, another technical solution adopted by the present application is: providing a small kitchen appliance, wherein the small kitchen appliance comprises the cooking assembly; the temperature sensing seat assembly comprises a shell and a heating circuit arranged in the shell; the surface of the shell is provided with an electric connecting hole; when at least part of the electric connection part passes through the electric connection hole to be connected to the heating circuit, the sealing part and the shell form a closed space, and the part of the electric connection part, which does not pass through the electric connection hole, is accommodated in the closed space.

The beneficial effect of this application is: be different from prior art's condition, the utility model provides a pair of electric heating element, culinary art subassembly and little household electrical appliances in kitchen set up sealing member in order to hold electric connection portion's at least part on through the heating member, when electric connection portion connects external component, sealing member constitutes the enclosure space with external component, with electric connection portion's at least part holding in the enclosure space, solved among the prior art kitchen little household electrical appliances easy problem of intaking the hourglass electricity.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the application, the drawings that are needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:

FIG. 1 is a schematic structural view of an embodiment of an electrical heating assembly of the present application;

FIG. 2 is a schematic view of a split structure of the heating element and the sealing member shown in FIG. 1;

fig. 3 is a partial sectional view schematically showing a sealing member provided to a heating member;

fig. 4 is another sectional structural view of the sealing member provided to the heating element;

FIG. 5 is a schematic view of the sealing member of FIG. 3 forming an enclosure with an external component;

FIG. 6 is an enlarged partial schematic view of region A of FIG. 5;

FIG. 7 is a schematic view of the sealing member of FIG. 4 forming an enclosure with an external component;

FIG. 8 is an enlarged partial schematic view of region A of FIG. 7;

FIG. 9 is a schematic diagram of a cooking assembly according to an embodiment of the present application;

FIG. 10 is a schematic view of a split construction of the cooking assembly of FIG. 9;

fig. 11 is a schematic structural diagram of an embodiment of a small kitchen appliance according to the present application;

FIG. 12 is a schematic view of the cooking assembly and temperature-sensing base assembly shown in FIG. 11 in a separated configuration;

fig. 13 is a schematic structural view of the temperature-sensitive seat assembly shown in fig. 11.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any inventive step based on the embodiments in the present application, are within the scope of protection of the present application.

It should be noted that if directional indications (such as up, down, left, right, front, and back … …) are referred to in the embodiments of the present application, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present application, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.

Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of an electrical heating assembly according to the present application. The electrical heating assembly 100 disclosed in this embodiment includes a heating element 12 and a sealing element 14.

The heating member 12 may include a heating portion 121 and an electrical connection portion 122 connected to each other.

The sealing member 14 is provided on the heating member 12, and accommodates at least part of the electrical connection portion 122, that is, the sealing member 14 is provided near one end of the electrical connection portion 122.

When the electrical connection portion 122 connects an external component, the sealing member 14 may form a closed space with the external component, so that at least a portion of the electrical connection portion 122 accommodated in the sealing member 14 is accommodated in the closed space, and when the electrical connection portion 122 connects the external component for power supply, moisture, dust, or the like may be prevented from contacting the electrical connection portion 122.

According to the electric heating assembly 100 provided by the embodiment, the sealing member 14 is arranged on the heating member 12 to accommodate at least part of the electric connection portion 122, when the electric connection portion 122 is connected with an external assembly, the sealing member 14 and the external assembly form a closed space, and at least part of the electric connection portion 122 is accommodated in the closed space, so that the problem that small kitchen appliances in the prior art are prone to water inflow and electricity leakage is solved.

With respect to the above-mentioned electric heating assembly 100, fig. 1 shows an assembly relationship of the heating element 12 and the sealing member 14, and with respect to a specific structure of the heating element 12 and the sealing member 14, please refer to fig. 2 in particular, and fig. 2 is a schematic view showing a split structure of the heating element and the sealing member shown in fig. 1.

The heating part 121 includes a resistance wire 1211, a heating jacket 1212, and a heat transfer medium 1213, wherein the heating jacket 1212 wraps the resistance wire 1211, and the heat transfer medium 1213 is disposed between the resistance wire 1211 and the heating jacket 1212. In the present embodiment, the length of the heating sheath 1212 is smaller than the length of the resistance wire 1211, such that the resistance wire 1211 is exposed out of the heating sheath 1212, and the electrical connection portion 122 is sleeved on the portion of the resistance wire 1211 exposed out of the heating sheath 1212.

In this embodiment, both ends of the resistance line 1211 are exposed out of the heating sleeve 1212, and the lengths of the portions of the two ends exposed out of the heating sleeve 1212 are the same. Accordingly, the electrical connection portion 122 sleeved on the resistance wire 1211 may include a first sub-connection portion 1221 and a second sub-connection portion 1222, and the two sub-connection portions are respectively sleeved on two ends of the resistance wire 1211 to expose a portion of the heating sleeve 1212. Both ends of the resistance line 1211 are connected to a circuit of an external component through the first sub-connection portion 1221 and the second sub-connection portion 1222, respectively, to constitute an energized circuit, and then, the energization heating is realized.

With regard to the specific structure of the sealing member 14 disposed on the heating member 12, please refer to fig. 3 and 4 together, fig. 3 is a schematic sectional view of a portion of the sealing member disposed on the heating member, and fig. 4 is a schematic sectional view of another portion of the sealing member disposed on the heating member. The sealing member 14 may include a first end 141, a second end 142, and a connecting portion 143. The connecting portion 143 is sleeved on the resistance wire 1211 and located between the electrical connecting portion 122 and the heating sleeve 1212; the first end 141 can receive at least a portion of the heating jacket 1212 and the second end 142 can receive at least a portion of the electrical connection 122.

Specifically, when the heating element 12 and the sealing member 14 are assembled, the sealing member 14 is first sleeved on the portion of the resistance wire 1211 exposed out of the heating sleeve 1212, so that the connecting portion 143 is sleeved on the resistance wire 1211 and clamped at the heating sleeve 1212; the first end 141 receives at least a portion of the heating jacket 1212 and the second end 142 receives at least a portion of the resistance wire 1211. The electrical connection portion 122 is sleeved on the resistance line 1211, and the second end portion 142 accommodates at least a portion of the electrical connection portion 122.

The sealing member 14 is made of an elastic material, such as silicone rubber, plastic, and the like, in this embodiment, the sealing member 14 is made of silicone rubber, which has waterproof and non-conductive properties, and when the sealing member 14 and the external component 200 form a closed space, the resistance wire 1211 and the electrical connection portion 122 can be prevented from contacting water, thereby avoiding occurrence of short circuit and the like, and further preventing electricity of the resistance wire 1211 and the electrical connection portion 122 from being transmitted to the outside of the heating member 12, thereby avoiding a user from contacting with current during use. The caliber of the second end portion 142 may gradually increase or gradually decrease from the first end portion 141 to the second end portion 142.

As shown in fig. 3, the caliber size of the second end portion 142 gradually increases from the first end portion 141 to the second end portion 142, so that when the electrical connection portion 122 is connected to an external component, one side of the second end portion 142 abuts against the external component, thereby forming a closed space with the external component, specifically, as shown in fig. 5 and 6, fig. 5 is a schematic structural view of the sealing member shown in fig. 3 forming a closed space with the external component, and fig. 6 is a partially enlarged schematic view of a region a shown in fig. 5. When water enters the electric heating assembly, since the sealing member 14 and the outer assembly 200 form a closed space, the water flows on the surface of the sealing member 14, and cannot contact the resistance wire 1211 and the electrical connection portion 122, thereby avoiding the occurrence of short circuit of the energized circuit when the water encounters the electric heating assembly.

As shown in fig. 4, the caliber of the second end portion 142 is gradually reduced from the first end portion 141 to the second end portion 142, the external component 200 can be connected to the electrical connection portion 122 through a structure such as the plug end portion 20, and the caliber of the plug end portion 20 can be smaller than the caliber of the second end portion 142. When the electrical connection portion 122 is connected to the external component 200, the plugging end portion 20 may be inserted into the second end portion 142 of the sealing component 14, and the plugging end portion 20 and the sealing component 14 form a closed space, as shown in fig. 7 and 8, in particular, fig. 7 is a schematic structural diagram of the sealing component and the external component forming the closed space shown in fig. 4, and fig. 8 is a partially enlarged schematic diagram of a region a shown in fig. 7. When water enters the electric heating assembly 100, the plug end 20 is inserted into the sealing member 14 to form a closed space, and water flows on the surface of the sealing member 14, and cannot contact the resistance wire 1211 and the electrical connection portion 122, so that the situation that the energized circuit is short-circuited when encountering water is avoided.

According to the electric heating assembly 100 provided by the embodiment, the sealing member 14 is arranged on the heating member 12, the sealing member 14 and the external assembly form a closed space, at least part of the electric connection part 122 is accommodated in the closed space, the electric transmission from the electric connection part 122 to the outside of the heating member 12 can be avoided, and the problem that small kitchen appliances in the prior art are easy to leak water and electricity due to water inflow is also solved.

The electric heating assembly 100 in the above embodiment may be applied to a cooking assembly, and therefore the present application further provides a cooking assembly, as shown in fig. 9 and 10, fig. 9 is a schematic structural diagram of an embodiment of a cooking assembly of the present application, and fig. 10 is a schematic structural diagram of a split cooking assembly shown in fig. 9. The cooking assembly 300 may include a housing 32, a heating vessel 34, and an electrical heating assembly 36.

The cooking assembly 300 may be a baking tray assembly, an electric chafing dish assembly, etc., and the heating container 34 may be a baking tray, a boiling pot, etc. The heating container 34 is exemplified as a baking pan.

In the cooking module 300 of the present embodiment, a mounting groove 322 is formed on the housing 32, and an electrical connection port 324 is formed on the surface of the housing 32.

The heating container 34 is installed in the installation groove 322. The shape of the mounting groove 322 matches the shape of the heating container 34, and the mounting groove 322 may be rectangular, circular, or triangular, in this embodiment, rectangular, corresponding to the shape of the heating container 34.

The electric heating assembly 36 includes a heating member 362 and a sealing member 364 for heating the heating container 34, wherein the heating member 362 is located at the back of the heating container 34, and more specifically, the heating member 362 includes a heating portion (not shown) and an electric connection portion (not shown) connected to each other, and when the heating container 34 is disposed in the mounting groove 322 of the housing 32, the electric connection portion can protrude from the electric connection port 324, so as to be connected to an external assembly.

Specifically, the sealing member 364 is provided on the heating member 362, and accommodates at least part of the electrical connection portion; when the electrical connection portion is connected with an external component, the sealing component 364 and the external component form a closed space; at least part of the electrical connection portion is accommodated in the closed space. The electric heating element 36 in this embodiment is similar to the electric heating element 100 in the above embodiments, and the detailed structure of the electric heating element 36 is not described herein.

In the present embodiment, the heating container 34 is a baking pan, and the material of the heating container 34 may be carbon steel, stainless steel, metal alloy, metal aluminum, or the like. The back of the baking tray 34 is provided with a clamping groove 342, and the clamping groove 342 is matched with the heating part 362, so that the heating part 362 is installed in the clamping groove 342, and particularly, the heating part is installed in the clamping groove 342. The distribution of the clamping grooves 342 on the back of the baking tray 34 can be square, arc, square or spiral to make the heating part of the heating part 362 uniformly heat the baking tray 34, in this embodiment, the clamping grooves 342 are square, and correspondingly, the heating part is also square.

The housing 32 is made of plastic material, which can reduce the weight of the cooking assembly 300, facilitate transportation, and prevent electrical transmission of electrical components in the cooking assembly 300 to the housing 32. The side of mounting groove 322 and the side distance of heating container 34 are greater than 5mm, and when heating container 34 set up in mounting groove 322 promptly, the interval that forms distance between heating container 34 and the mounting groove 322 and be greater than 5mm, this interval can dispel the heat when heating container 34 heats, avoids heating container 34 high temperature to scald the user.

When the cooking assembly 300 is used in an environment such as outdoors, water may flow into the space inevitably, and at this time, a part of the electrical connection portion for connecting and conducting electricity with the external assembly is accommodated in a closed space formed by the second end portion (not shown) of the sealing member 364 and the external assembly, and water flow cannot contact the electrical connection portion and the resistance wire of the heating member 362, so that occurrence of short circuit caused by water inflow can be avoided, and electric transmission from the electrical connection portion and the resistance wire to the heating member 362 or the outside of the cooking assembly 300 can be avoided.

The cooking assembly as the electric chafing dish can also have the technical characteristics, and detailed description is omitted.

According to the cooking assembly 300 provided by the embodiment, the sealing component 364 is arranged on the heating element 362 to accommodate at least part of the electric connection part, when the cooking assembly 300 is connected with an external assembly through the electric connection part, the sealing component 364 and the external assembly form a closed space, at least part of the electric connection part is accommodated in the closed space, the electric transmission on the electric connection part to the outside of the heating element 362 can be avoided, and the problem that small kitchen appliances in the prior art are prone to water entering and electricity leakage is solved.

The cooking assembly 300 is generally used in combination with the temperature-sensing seat assembly to realize cooking as a small kitchen appliance, and therefore, on the basis of the above embodiments, the present application further provides an embodiment of a small kitchen appliance. Referring to fig. 11 and 12, fig. 11 is a schematic structural diagram of a small kitchen appliance according to an embodiment of the present invention, and fig. 12 is a schematic structural diagram of a cooking assembly and a temperature sensing seat assembly shown in fig. 11 in a separated manner. The small kitchen appliance 400 of the present embodiment includes a cooking assembly 40 and a temperature-sensing seat assembly 42.

The kitchen appliance 400 may be a frying and baking machine, an electric chafing dish, etc., and correspondingly, the cooking assembly 40 may be a grill pan assembly, an electric chafing dish assembly, etc. The description will be given taking the kitchen small appliance 400 as a frying and baking machine.

The cooking assembly 40 may be the cooking assembly 300 in the above embodiments, in this embodiment, the cooking assembly 40 may be a baking tray assembly, and the detailed description of the cooking assembly 40 is omitted here.

Referring to fig. 13, fig. 13 is a schematic structural view of the temperature sensing seat assembly shown in fig. 11. As shown in fig. 13, temperature-sensing socket assembly 42 may include a housing 420 and a heating circuit (not shown) disposed inside housing 420, and a surface of housing 420 may be provided with an electrical connection hole 4202. Electrical connection portion 402 passes through electrical connection hole 4202 to be connected to temperature-sensing socket assembly 42 for electrical conduction, and in this embodiment, at least a portion of electrical connection portion 402 passes through electrical connection hole 4202 to be connected to the heating circuit. The sealing member (not shown) and the housing 420 constitute a closed space in which the electric connection portion (not shown) is accommodated without passing through the electric connection hole, so that it is possible to prevent contact with water, oil, dust, etc.

There are various ways in which the sealing member forms an enclosed space with the housing 420, for example: the case 420 may have a blocking plane 4204, and the electrical connection hole 4202 is formed on the blocking plane 4204, and when the cooking assembly 40 is coupled to the temperature-sensitive socket assembly 42, the sealing member may abut against the blocking plane 4204 to constitute a closed space in which a portion of the electrical connection portion that does not pass through the electrical connection hole 4202 is received. The specific structural relationship between the sealing member and the blocking plane 4204 is similar to that in fig. 9, and detailed description thereof is omitted.

The housing 420 may also have a plugging end (not shown) in which the electrical connection hole 4202 is formed, i.e., the blocking plane 4204 may be disposed. The plugging end portion is inserted into the sealing member, the electrical connection portion penetrates through the electrical connection hole 4202, and a part of the electrical connection portion is accommodated in the plugging end portion, at this time, the plugging end portion and the sealing member form a closed space, and a part of the electrical connection portion, which does not penetrate through the electrical connection hole 4202, can be accommodated in the closed space formed by the plugging end portion and the sealing member. The specific structural relationship between the plugging end and the sealing component is similar to that in fig. 8, and detailed description is omitted.

If the small kitchen appliance 400 is an electric chafing dish, it may also have the above technical features, and details are not described again.

In conclusion, the small kitchen appliance 400 provided by the embodiment can avoid the electricity transmission on the electric connection part to the outside of the heating element, and also solves the problem that the small kitchen appliance is easy to enter water and leak electricity in the prior art.

The above embodiments are merely examples and are not intended to limit the scope of the present disclosure, and all modifications, equivalents, and flow charts using the contents of the specification and drawings of the present disclosure or those directly or indirectly applied to other related technical fields are intended to be included in the scope of the present disclosure.

Claims

1. An electrical heating assembly, comprising:

a heating member including a heating portion and an electrical connection portion connected to each other;

a sealing member provided on the heating member and accommodating at least a part of the electrical connection portion;

when the electric connection part is connected with an external component, the sealing part and the external component form a closed space; at least part of the electric connection part is accommodated in the closed space.

2. The electrical heating assembly of claim 1, wherein the heating portion comprises a resistance wire, a heating jacket surrounding the resistance wire, and a heat transfer medium disposed between the resistance wire and the heating jacket, the heating jacket having a length less than the resistance wire such that the resistance wire is exposed from the heating jacket; the electric connection part is sleeved on the part of the resistance wire exposed out of the heating sleeve.

3. The electrical heating assembly of claim 2, wherein the sealing member comprises a first end portion, a second end portion, and a connecting portion; the connecting part is sleeved on the resistance wire and is positioned between the electric connecting part and the heating sleeve; the first end portion receives at least a portion of the heating jacket and the second end portion receives at least a portion of the electrical connection.

4. An electrical heating assembly as in claim 3 wherein the sealing member is an elastomeric material; the caliber size of the second end part is gradually increased or decreased from the first end part to the second end part.

5. A cooking assembly, characterized in that the cooking assembly comprises:

a housing provided with a mounting groove;

the heating container is arranged in the mounting groove;

the electrical heating assembly of any of claims 1-4, for heating the heating vessel, wherein the heating element is located on a back side of the heating vessel.

6. The cooking assembly of claim 5, wherein the heating container is a baking tray, and a clamping groove is arranged on the back of the baking tray;

the heating element is arranged in the clamping groove, and the clamping groove is arranged on the back of the baking tray and is in a shape like a Chinese character kou, a Chinese character bow, a Chinese character hui or a spiral shape.

7. The cooking assembly of claim 6, wherein the housing is made of plastic material, and the distance between the side surface of the mounting groove and the side surface of the baking tray is greater than 5 mm.

8. A small kitchen appliance, comprising:

the cooking assembly of any one of claims 5-7;

the temperature sensing seat assembly comprises a shell and a heating circuit arranged in the shell; the surface of the shell is provided with an electric connecting hole;

when at least part of the electric connection part passes through the electric connection hole to be connected to the heating circuit, the sealing part and the shell form a closed space, and the part of the electric connection part, which does not pass through the electric connection hole, is accommodated in the closed space.

9. The kitchen appliance according to claim 8, wherein said housing has a blocking plane, said electrical connection holes being formed on said blocking plane; the sealing component is abutted against the blocking plane to form the closed space.

10. The small kitchen appliance according to claim 8, wherein said housing has a plug end in which said electrical connection hole is formed; the inserting end part is inserted in the sealing part, the electric connecting part penetrates through the electric connecting hole, and the inserting end part and the sealing part form the closed space.