CN216876059U - Heating assembly of cooking utensil and cooking utensil - Google Patents

Abstract

The utility model relates to a heating assembly of a cooking appliance and the cooking appliance. The heating assembly of cooking utensil includes: the heating tube is arranged in the shell, and the heating tube is arranged in the shell; the heating tube is arranged in the containing cavity; the reflecting cover is arranged on one side of the heating tube far away from the opening; the first heat shield is arranged between the reflector and the shell; the second heat shield is disposed between the first heat shield and the housing. Because be provided with emission cover, first heat exchanger and the second between heating tube and casing and separate heat exchanger, be provided with the three-layer thermal-insulated structure between heating tube and the casing promptly to can improve the thermal-insulated effect between heating tube and the casing greatly, reduce the heat to the casing transmission, make the casing be heated lowerly, thereby delay the ageing of casing, and then can prolong this heating element's life.

Description

Heating assembly of cooking utensil and cooking utensil

Technical Field

The utility model relates to the technical field of small household appliances, in particular to a heating assembly of a cooking appliance and the cooking appliance.

Background

The upper heating type electric oven can heat food from the upper surface of the food, and a user can directly observe the upper surface of the food during cooking, so that the situation of burning the food is not easy to occur, and the use is very convenient. However, since the infrared heating tube is usually used as a heating element in the electric oven of this type, the infrared heating tube radiates heat around when working, and the heat insulation effect between the heating tube and the casing is poor, which results in a higher casing temperature and accelerates the aging of the casing, thereby affecting the service life of the product.

SUMMERY OF THE UTILITY MODEL

In view of this, it is necessary to provide a heating assembly of a cooking appliance and a cooking appliance, so that the heat insulation effect between the heating tube and the casing is good, the aging of the casing is delayed, and the service life is further prolonged.

The present invention provides a heating assembly of a cooking appliance, comprising: the heating tube heat exchanger comprises a shell, a heating tube, a reflector, a first heat shield and a second heat shield, wherein the shell comprises a cavity and an opening communicated with the cavity; the heating tube is arranged in the containing cavity; the reflecting cover is arranged on one side of the heating tube far away from the opening; the first heat shield is arranged between the reflector and the shell; the second heat shield is disposed between the first heat shield and the housing.

According to the heating assembly of the cooking utensil, the transmitting cover, the first heat insulation cover and the second heat insulation cover are arranged between the heating tube and the shell, namely the three-layer heat insulation structure is arranged between the heating tube and the shell, so that the heat insulation effect between the heating tube and the shell can be greatly improved, the heat transferred to the shell is reduced, the shell is heated to a lower degree, the aging of the shell is delayed, and the service life of the heating assembly can be prolonged.

In one embodiment, the first heat shield is a metal heat shield, and/or the second heat shield is a metal heat shield.

The metal heat shield is high temperature resistant, high in structural strength, not easy to damage and beneficial to prolonging the service life.

In one embodiment, a gap is provided between the reflector and the first heat shield, and a gap is provided between the first heat shield and the second heat shield.

So, can avoid bowl, first heat exchanger and the second to separate heat exchanger direct contact and direct heat transfer for between bowl and the first heat exchanger that separates, there is the air insulating layer between first heat exchanger that separates and the second separates the heat exchanger, thereby further strengthened the thermal-insulated effect between heating tube and the casing.

In one embodiment, the first heat shield is fixedly connected to the shell, the heating tube is fixedly connected to the inner side of the first heat shield, and the second heat shield is connected to the top end of the first heat shield.

So, compact structure, and structural strength is high, and stability is good.

In one embodiment, the two ends of the heating tube are both connected with fixing plates, the reflector is provided with a first convex rib, and the first convex rib sequentially penetrates through the side wall of the first heat shield and the fixing plate, so that the heating tube is fixed on the first heat shield and the fixing plate.

The fixed plate is arranged, so that the reflecting cover is greatly convenient to mount, and the structure between the heating tube, the reflecting cover and the first heat insulation cover is more compact.

In one embodiment, the two ends of the heating tube are both connected with fixing plates, the two ends of the first heat shield are provided with second convex ribs outwards, and the second convex ribs penetrate through the fixing plates to fix the fixing plates on the outer sides of the first heat shield.

So, it is convenient to connect between first heat exchanger and the fixed plate, and is favorable to improving the joint strength between heating tube, first heat exchanger and the fixed plate three.

In one embodiment, the first heat shield comprises a top wall and a cylindrical side wall extending downwards from the top wall, an annular flange is arranged at one end, away from the top wall, of the side wall, and the second heat shield and the fixing plate are arranged on the flange.

Therefore, the first heat shield forms a semi-closed shield body structure, and heat generated by the heating tube can be effectively prevented from radiating towards the shell. The turn-ups can play the effect that supports the second and separate heat exchanger and fixed plate for the heating tube with first separate heat exchanger, the second separates the structure between the heat exchanger more stable.

In one embodiment, the second heat shield is in an inverted U shape, and two ends of the second heat shield are limited between the two fixing plates.

So, the fixed plate plays to separate the spacing effect of heat exchanger to the second for the second separates to be connected more reliably between heat exchanger and the first heat exchanger that separates.

In one embodiment, the housing includes an upper shell, a lower shell and a bracket, the upper shell and the lower shell are respectively fixed on the upper side and the lower side of the bracket, the opening is opened on the lower shell, and the first heat shield is fixedly connected to the lower shell.

The casing includes epitheca, inferior valve and support, and the casing divide into a plurality of independent parts promptly, so be convenient for with above heating tube, bowl, first heat exchanger and the second heat exchanger of insulating against heat install in the appearance intracavity of casing. The first thermal shield is fixedly connected with the lower shell and is beneficial to stably installing the first thermal shield, so that the first thermal shield can well support elements such as a heating tube, a reflector and a second thermal shield.

In one embodiment, the heating assembly further includes a mesh enclosure disposed at the opening, and the mesh enclosure is fixed between the first heat shield and the lower shell.

The mesh enclosure is arranged to protect the heating tube, so that the heating tube is prevented from being damaged by external force impact, and the heating tube can be prevented from being touched by hands, thereby improving the use safety.

The utility model also provides a cooking appliance, which comprises a base, an upright arm and the heating assembly, wherein the base is used for placing a cooking plate, and the heating assembly is connected above the base through the upright arm.

This cooking utensil heats food from the top, and the upper surface of food is the heating surface, can direct observation food's heating surface during the culinary art, is difficult to the scorch food, and it is very convenient to use.

Drawings

Fig. 1 is a perspective view of a cooking appliance according to an embodiment of the present invention;

fig. 2 is an exploded view of a cooking appliance according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of a heating assembly according to an embodiment of the present invention.

Reference numerals: 10. a base; 20. erecting an arm; 30. a heating assembly; 31. a housing; 301. a cavity; 302. an opening; 311. an upper shell; 3111. connecting columns; 312. a lower case; 313. a support; 32. a heat generating tube; 33. a reflector; 331. a first rib; 34. a first heat shield; 341. a second rib; 342. a top wall; 343. a side wall; 344. flanging; 35. a second heat shield; 351. a boss; 36. a fixing plate; 37. a mesh enclosure; 40. a cooking plate.

Detailed Description

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

It will be understood that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all 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 in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The present invention provides a heating assembly for a cooking appliance, which can be used in an electric oven, an oven and other cooking appliances, and the following description will be given by taking the electric oven as an example.

Referring to fig. 1, a cooking appliance includes a base 10, an upright arm 20, and a heating assembly 30, wherein the heating assembly 30 is connected above the base 10 through the upright arm 20. The base 10 is used for placing a cooking plate 40 for holding food such as a baking tray, a pot, etc., so that the food in the cooking plate 40 is heated by the heating assembly 30 when in use. The heating assembly 30 heats food from above, the upper surface of the food is a heating surface, the heating surface of the food can be directly observed during cooking, the food is not easy to be scorched, and the use is very convenient.

Referring to fig. 2 and 3, the heating assembly 30 includes a housing 31, a heat generating tube 32, and a reflector 33. The housing 31 includes a cavity 301 and an opening 302 communicating with the cavity 301, the opening 302 facing the base 10. The heat generating tube 32 is disposed in the cavity 301 such that light emitted from the heat generating tube 32 is emitted from the opening 302 of the housing 31 toward the cooking plate 40 on the base 10, thereby heating the food. The reflective cover 33 is disposed on a side of the heat generating tube 32 away from the opening 302, so that the reflective cover 33 reflects the light emitted from the heat generating tube 32 toward the opening 302 of the housing 31, and the light received by the food in the cooking plate 40 includes the light directly emitted from the heat generating tube 32 and the light reflected by the reflective cover 33, and the heating efficiency of the heat generating tube 32 is greatly improved due to the arrangement of the reflective cover 33.

The heating assembly 30 further includes a first heat shield 34 and a second heat shield 35. The first heat shield 34 is disposed between the reflection cover 33 and the housing 31. The second heat shield 35 is disposed between the first heat shield 34 and the housing 31. So, be provided with three-layer heat-proof structure between heating tube 32 and casing 31, reflector 33, first heat exchanger 34 and the second heat exchanger 35 that separates to can improve the thermal-insulated effect between heating tube 32 and the casing 31 greatly, reduce the heat to casing 31 transmission, make casing 31 be heated lower, thereby delay casing 31 ageing, and then can prolong this heating element 30's life.

In one embodiment, the housing 31 is made of plastic, and has poor heat conduction effect, less possibility of generating heat and being hot, and beautiful appearance.

In one embodiment, the first heat shield 34 is a metal heat shield, which is resistant to high temperature and has high structural strength and is not easily damaged. Further, the material of the first heat shield 34 may be stainless steel or aluminum alloy, which is not limited in the present invention.

Similar to the first heat shield 34, the second heat shield 35 is also a metal heat shield, resistant to high temperature, structurally strong, and not prone to damage. Further, the material of the second heat shield 35 may be stainless steel or aluminum alloy, which is not limited in the present invention.

In one embodiment, the heating tube 32 is an infrared heating tube, and the light is infrared light, which can resonate with most inorganic molecules and organic macromolecules in the living body, so that the molecules move and rub against each other, thereby generating heat to heat the food.

In this embodiment, two heating tubes 32 are disposed in the casing 31, and the two heating tubes 32 are disposed in parallel. The reflection cover 33 covers the surface of the heat generating tube 32 on the side away from the opening 302 of the housing 31 so that the heat generated by the heat generating tube 32 is radiated toward the opening 302 of the housing 31. In this embodiment, the cross-section of the reflection cover 33 is wavy, and a certain distance is provided between the reflection cover 33 and the heating tube 32, so as to prevent the heating tube 32 from directly contacting the reflection cover 33.

Further, gaps are provided between the reflection cover 33 and the first heat shield 34, and between the first heat shield 34 and the second heat shield 35. In this way, direct heat transfer due to direct contact between the reflector 33, the first heat shield 34 and the second heat shield 35 can be avoided, so that an air heat insulation layer exists between the reflector 33 and the first heat shield 34 and between the first heat shield 34 and the second heat shield 35, thereby further enhancing the heat insulation effect between the heat generating pipe 32 and the casing 31.

In one embodiment, the first heat shield 34 is fixedly connected to the housing 31, the heat generating tube 32 is fixedly connected to the inner side of the first heat shield 34, and the second heat shield 35 is connected to the top end of the first heat shield 34. So, compact structure, and structural strength is high, and stability is good.

Further, the fixing plates 36 are connected to both ends of the heating tube 32, the reflector 33 is provided with a first rib 331, and the first rib 331 sequentially penetrates through the side wall 343 of the first heat shield 34 and the fixing plate 36, so that the heating tube 32 is fixed to the first heat shield 34 and the fixing plate 36. The provision of the fixing plate 36 greatly facilitates the installation of the reflection cover 33, so that the structure between the heat generating pipe 32, the reflection cover 33 and the first heat shield 34 is more compact.

Further, the first heat shield 34 has second ribs 341 formed at two ends thereof, and the second ribs 341 penetrate through the fixing plate 36 to fix the fixing plate 36 to the outside of the first heat shield 34. Therefore, the first heat shield 34 and the fixing plate 36 are convenient to connect, and the connection strength among the heating tube 32, the first heat shield 34 and the fixing plate 36 is improved.

In this embodiment, the first heat shield 34 includes a top wall 342 and a cylindrical side wall 343 extending downward from the top wall 342, so that the first heat shield 34 forms a semi-closed shield structure, which can effectively prevent the heat generated by the heat generating tube 32 from radiating toward the housing 31. The end of the side wall 343 away from the top wall 342 is provided with an annular flange 344, and the second heat shield 35 and the fixing plate 36 are both arranged on the flange 344. In this way, the flange 344 may function to support the second heat shield 35 and the fixing plate 36, so that the structure between the heat pipe 32 and the first and second heat shields 34 and 35 is more stable.

Further, the second separates heat exchanger 35 and is the shape of falling U, and the both ends of second separate heat exchanger 35 are spacing between two fixed plates 36, and so, fixed plate 36 still plays the spacing effect of second separate heat exchanger 35 for it is more reliable to connect between second separate heat exchanger 35 and the first separate heat exchanger 34. The second heat shield 35 of the inverted U-shape surrounds the top wall 342 and part of the side wall 343 of the first heat shield 34, thereby reducing the heat radiation of the heat generating pipe 32 toward the top of the case 31.

The second heat shield 35 may be attached to the top wall 342 of the first heat shield 34 by screws. Further, the second heat shield 35 is provided with a boss 351 protruding toward the first heat shield 34, and a screw is connected to the top wall 342 of the first heat shield 34 through the boss 351, so that a gap is ensured between the second heat shield 35 and the first heat shield 34.

Referring to fig. 2 and 3, the housing 31 includes an upper shell 311, a lower shell 312 and a bracket 313, the upper shell 311 and the lower shell 312 are respectively fixed on the upper side and the lower side of the bracket 313, the lower shell 312 is opened with an opening 302, and the first heat shield 34 is fixedly connected to the lower shell 312. The housing 31 includes an upper shell 311, a lower shell 312 and a bracket 313, that is, the housing 31 is divided into a plurality of independent parts, so that the heating tube 32, the reflection cover 33, the first heat shield 34 and the second heat shield 35 are installed in the cavity 301 of the housing 31. The first heat shield 34 is fixedly connected to the lower shell 312, which is beneficial to stably installing the first heat shield 34, so that the first heat shield 34 can well support the heating tube 32, the reflector 33, the second heat shield 35 and other elements.

In this embodiment, the upper shell 311 and the lower shell 312 may be respectively connected to the bracket 313 through a snap structure, which is convenient to install. Further, the inner wall of the upper housing 311 may be downwardly extended with a connection post 3111, the lower housing 312 is provided with a connection hole, and a screw passes through the connection post 3111 to be connected with the connection hole, so that the connection between the upper housing 311 and the lower housing 312 is more stable. It can be understood that the connecting column 3111 and the connecting holes are located outside the first heat shield 34 and the second heat shield 35, so that the first heat shield 34 and the second heat shield 35 perform an effective heat insulation function, and the temperature of the connecting column 3111 can be reduced.

The heating assembly 30 further includes a mesh enclosure 37 disposed at the opening 302, the mesh enclosure 37 being secured between the first heat shield 34 and the lower shell 312. The mesh enclosure 37 can protect the heating tube 32, avoid external impact to damage the heating tube 32, and avoid hands from touching the heating tube 32, thereby improving the use safety.

The features of the above-described embodiments may be combined arbitrarily, and for the sake of brevity, all possible combinations of the features in the above-described embodiments will not be described in detail, but should be construed as being within the scope of the present disclosure unless there is any conflict between such combinations of features.

It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that suitable changes and modifications of the above embodiments are within the scope of the claimed invention as long as they are within the spirit and scope of the present invention.

Claims (11)

1. A heating assembly for a cooking appliance, comprising:

the shell (31), wherein the shell (31) comprises a cavity (301) and an opening (302) communicated with the cavity (301);

the heating tube (32), the said heating tube (32) locates in the said volume (301);

a reflector (33), wherein the reflector (33) is arranged on one side of the heating tube (32) far away from the opening (302);

a first heat shield (34), the first heat shield (34) being disposed between the reflector (33) and the housing (31); and

a second heat shield (35), the second heat shield (35) being disposed between the first heat shield (34) and the housing (31).

2. The heating assembly according to claim 1, wherein the first heat shield (34) is a metal heat shield,

and/or the second heat shield (35) is a metal heat shield.

3. The heating assembly according to claim 1, wherein a gap is present between the reflector (33) and the first heat shield (34), and between the first heat shield (34) and the second heat shield (35).

4. The heating assembly according to claim 1, wherein the first heat shield (34) is fixedly connected to the housing (31), the heat generating pipe (32) is fixedly connected to the inside of the first heat shield (34), and the second heat shield (35) is connected to the top end of the first heat shield (34).

5. The heating assembly according to claim 4, wherein a fixing plate (36) is connected to each end of the heating tube (32), the reflector (33) is provided with a first rib (331), and the first rib (331) sequentially penetrates through the side wall (343) of the first heat shield (34) and the fixing plate (36) so that the heating tube (32) is fixed to the first heat shield (34) and the fixing plate (36).

6. The heating assembly according to claim 4, wherein fixing plates (36) are connected to two ends of the heat generating tube (32), second ribs (341) are disposed on two ends of the first heat shield (34) facing outward, and the second ribs (341) penetrate through the fixing plates (36) to fix the fixing plates (36) to the outer side of the first heat shield (34).

7. The heating assembly according to claim 6, wherein the first heat shield (34) comprises a top wall (342) and a cylindrical side wall (343) extending downward from the top wall (342), an annular flange (344) is provided at an end of the side wall (343) away from the top wall (342), and the second heat shield (35) and the fixing plate (36) are both provided on the flange (344).

8. The heating assembly according to claim 6, wherein the second heat shield (35) has an inverted U-shape, and both ends of the second heat shield (35) are retained between the two retaining plates (36).

9. The heating assembly according to claim 1, wherein the housing (31) comprises an upper shell (311), a lower shell (312) and a bracket (313), the upper shell (311) and the lower shell (312) are respectively fixed on the upper side and the lower side of the bracket (313), the lower shell (312) is provided with the opening (302), and the first heat shield (34) is fixedly connected with the lower shell (312).

10. The heating assembly of claim 9, further comprising a mesh enclosure (37) disposed at the opening (302), the mesh enclosure (37) being secured between the first heat shield (34) and the lower shell (312).

11. Cooking appliance, characterized in that it comprises a base (10), an upright arm (20) and a heating assembly (30) according to any one of claims 1 to 10, said base (10) being intended to house a cooking plate (40), said heating assembly (30) being connected above said base (10) by said upright arm (20).

Images