WO2018072620A1 - 微波烤箱的腔体和具有其的微波烤箱 - Google Patents

微波烤箱的腔体和具有其的微波烤箱 Download PDF

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Publication number
WO2018072620A1
WO2018072620A1 PCT/CN2017/105481 CN2017105481W WO2018072620A1 WO 2018072620 A1 WO2018072620 A1 WO 2018072620A1 CN 2017105481 W CN2017105481 W CN 2017105481W WO 2018072620 A1 WO2018072620 A1 WO 2018072620A1
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WIPO (PCT)
Prior art keywords
plate
edge
flange
cavity
panel
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PCT/CN2017/105481
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English (en)
French (fr)
Inventor
李扬
金虎
法比奥加姆巴德拉
顾赫鑫
Original Assignee
广东美的厨房电器制造有限公司
美的集团股份有限公司
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Application filed by 广东美的厨房电器制造有限公司, 美的集团股份有限公司 filed Critical 广东美的厨房电器制造有限公司
Publication of WO2018072620A1 publication Critical patent/WO2018072620A1/zh

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J37/00—Baking; Roasting; Grilling; Frying
    • A47J37/06—Roasters; Grills; Sandwich grills
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C7/00—Stoves or ranges heated by electric energy
    • F24C7/02—Stoves or ranges heated by electric energy using microwaves

Definitions

  • the invention relates to the technical field of household appliances, in particular to a cavity of a microwave oven and a microwave oven having the same.
  • the front plate of the oven cavity is usually fixed by screws, with many components, complicated structure, poor sealing performance and heat preservation performance.
  • the present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention is directed to a cavity of a microwave oven having the advantages of simple structure, few components, and good sealing performance.
  • the invention also proposes a microwave oven having the above cavity.
  • a cavity of a microwave oven comprising: a front plate assembly, at least a portion of which is in the form of an annular flat plate; and a U-shaped plate including an integrally formed left side plate, right a side panel and a rear side panel, a left edge of the rear side panel being connected to a rear edge of the left side panel, and a right edge of the rear side panel being connected to a rear edge of the right side panel, the left side a front edge of the panel is coupled to a left edge of the inner side of the front panel assembly, a front edge of the right panel is coupled to a right edge of the inner side of the front panel assembly; an upper panel, a perimeter of the upper panel respectively associated with the An upper peripheral edge of the U-shaped plate and an upper edge of the inner side of the front plate assembly are connected to close an upper surface of the U-shaped plate; a lower plate, a circumference of the lower plate and a lower peripheral edge of the U-shaped plate and The lower edge of the inner side
  • the number of parts is small, the sealing performance of the cavity is good, the cavity of the microwave oven has good heat preservation effect, and the microwave leakage can be prevented, and the safety and reliability are high.
  • the left side panel, the right side panel, the upper panel, and the lower panel are both seamlessly welded to the front panel assembly.
  • the left side plate, the right side plate, the upper plate, and the lower plate are welded to the front plate assembly with a first enamel layer, the first enamel layer Fully covering the front edge of the left side panel with the left edge of the inner side of the front panel assembly, the front edge of the right side panel, the front edge of the upper panel, the front edge of the lower panel, and the front panel The inside edge of the assembly.
  • the front edges of the left side panel, the right side panel, the upper panel, and the lower panel are each provided with a first turn that extends outwardly toward the sealing cavity.
  • An inner side of the front plate assembly is provided with a rearward extension Two cuffs, an inner surface of the first cuff is connected to an outer peripheral surface of the second cuff, and the first cuff is welded to the second cuff.
  • a front edge of the first flange is bent outwardly to the sealed cavity, and an inner side of the left side panel, an inner side of the right side panel, and the upper side Both the inner side of the panel and the inner side of the lower panel are substantially flush with the inner side of the second flange.
  • the first enamel layer is disposed inside the sealed cavity.
  • both the upper plate and the lower plate are seamlessly welded to the U-shaped plate.
  • the welding portions of the upper plate and the lower plate and the U-shaped plate are each provided with a second enamel layer, the second enamel layer completely covering the upper plate and the lower plate The junction with the U-shaped plate.
  • a circumference of the upper plate is provided with a third cuff portion, and the third cuff portion extends along a left edge, a rear edge and a right edge of the upper plate, and the first
  • the three flanges are in a shape that extends downward toward the outside of the sealing cavity, the inner surface of the third flange is connected to the outer peripheral surface of the upper end of the U-shaped plate, and the third flange is The upper end of the U-shaped plate is welded;
  • the periphery of the lower plate is provided with a fourth flange, and the fourth flange extends along the left edge, the rear edge and the right edge of the lower plate, and the fourth turn The edge is in a shape extending upward toward the outside of the sealing cavity, the inner surface of the fourth flange is connected to the outer peripheral surface of the lower end of the U-shaped plate, and the fourth flange and the U-shaped plate
  • the lower end is welded.
  • the lower edge of the third flange and the upper edge of the fourth flange are bent outwardly to the sealing cavity, and the inner side of the upper plate and the The inner side surfaces of the lower plates are substantially flush with the inner side surfaces of the rear side plates.
  • the second enamel layer is disposed inside the sealed cavity.
  • the microwave oven comprises: a cavity which is a cavity of the microwave oven of the above first aspect.
  • the overall performance of the microwave oven is improved by providing the cavity of the microwave oven of the above first aspect.
  • FIG. 1 is a schematic view of a cavity of a microwave oven in accordance with an embodiment of the present invention
  • Figure 2 is a cross-sectional view of the cavity of the microwave oven shown in Figure 1;
  • Figure 3 is an enlarged view of the circled at A in Figure 2;
  • Figure 4 is an enlarged view of the circled B in Figure 2;
  • Figure 5 is an enlarged view of the circled C in Figure 2;
  • Figure 6 is an enlarged view of the circled portion D in Figure 2;
  • Figure 7 is a schematic view of the U-shaped plate shown in Figure 1;
  • Figure 8 is an enlarged view of the circled E in Figure 7;
  • Figure 9 is an enlarged view of the circled circle F in Figure 7.
  • the cavity 100 of the microwave oven is the cavity 100 of the microwave oven.
  • U-shaped plate 2 left side plate 21, right side plate 22, rear side plate 23,
  • a cavity 100 of a microwave oven in accordance with an embodiment of the first aspect of the present invention will now be described with reference to Figs.
  • a cavity 100 of a microwave oven includes a front plate assembly 1, a U-shaped plate 2, an upper plate 3, and a lower plate 4.
  • the front panel assembly 1 has an annular flat plate shape;
  • the U-shaped panel 2 includes an integrally formed left side panel 21, a right side panel 22, and a rear side panel 23, and the left side edge of the rear side panel 23 and the left side panel 21
  • the rear edges are connected, and the right side of the rear side panel 23 is connected to the rear edge of the right side panel 22.
  • the front edge of the left side panel 21 is connected to the left edge of the inner side of the front panel assembly 1, and the front edge of the right side panel 22 is front and front.
  • the right edge of the inside of the panel assembly 1 is connected.
  • the left side panel 21 is seamlessly welded to the front panel assembly 1
  • the right side panel 22 is seamlessly welded to the front panel assembly 1.
  • the circumference of the upper plate 3 is respectively connected to the upper peripheral edge of the U-shaped plate 2 and the upper edge of the inner side of the front plate assembly 1 to close the upper surface of the U-shaped plate; the circumference of the lower plate 4 and the lower circumference of the U-shaped plate 2, respectively The lower edges of the inner side of the front plate assembly 1 are joined to close the lower surface of the U-shaped plate 2.
  • the front plate assembly 1, the U-shaped plate 2, the upper plate 3, and the lower plate 4 cooperate to define a sealed cavity that is open at the front.
  • the upper plate 3 is seamlessly welded to the front plate assembly 1, and the lower plate 4 is seamlessly welded to the front plate assembly.
  • the connection strength between the upper plate 3 and the lower plate 4 and the front plate assembly 1 reduces the number of components, and at the same time, the heat insulation effect of the cavity 100 can be improved to prevent microwave leakage in the microwave oven.
  • the number of components is small, the sealing performance of the cavity 100 is good, and the cavity 100 of the microwave oven has good heat preservation effect, and can also prevent microwave leakage, and has high safety and reliability.
  • the first enamel layer is disposed at the weld of the left side plate 21, the right side plate 22, the upper plate 3, and the lower plate 4 and the front plate assembly 1, and the first enamel layer completely covers the left side plate.
  • the front edge of 21 is the left edge of the inner side of the front panel assembly 1, the front edge of the right side panel 22, the front edge of the upper panel 3, the front edge of the lower panel 4, and the inner edge of the front panel assembly 1.
  • the front edge of the left side plate 21, the right side plate 22, the upper plate 3 and the lower plate 4 are respectively provided with a first flange 101, and the first turn
  • the side 101 first extends outwardly of the sealing cavity and extends forward.
  • the inner side of the front panel assembly 1 is provided with a second flange 11 extending rearward, the inner surface of the first flange 101 and the outer circumferential surface of the second flange 11. Connected, that is, the second flange 11 fits inside the first flange 101, and the first flange 101 is welded to the second flange 11.
  • first flange 101 and the second flange 11 can increase the overlap length of the left side panel 21, the right side panel 22, the upper panel 3, and the lower panel 4 when welded to the front panel assembly 1, thereby facilitating soldering. Ensure the quality of the weld, improve the reliability of the weld, and enhance the sealing performance at the weld.
  • the front edge of the first flange 101 is curved outwardly toward the sealing cavity.
  • the front edge of the first flange 101 of the front edge of the upper plate 3 is curved upward, as shown in the figure.
  • the leading edge of the first flange 101 of the leading edge of the lower plate 4 is curved downwardly. Since the second flange 11 is first inserted into the inner side of the first flange 101 before welding, at this time, the front portion of the cavity 100 can be enlarged by bending the front edge of the first flange 101 outward. The opening can thereby play a role of quick guiding positioning for the insertion of the second flange 11 and improve assembly efficiency.
  • the inner side surface of the left side plate 21, the inner side surface of the right side plate 22, the inner side surface of the upper plate 3, and the inner side surface of the lower plate 4 are substantially the same as the inner side surface of the second flange 11. Qi Ping. Thereby, the inner surface of the cavity 100 can be made more flat and beautiful, and at the same time, it is convenient for the user to clean.
  • the first enamel layer is disposed inside the sealed cavity, whereby not only the thermal insulation effect of the cavity 100 but also the microwave leakage can be prevented. It also makes the inner wall surface of the cavity smoother and easier for the user to clean.
  • the upper plate 3 is seamlessly welded to the U-shaped plate 2, and the lower plate 4 is seamlessly welded to the U-shaped plate 2.
  • the connection strength between the upper plate 3 and the lower plate 4 and the U-shaped plate 2 can be improved, the number of parts can be reduced, and at the same time, the heat insulating effect of the cavity 100 can be improved, and microwave leakage in the microwave oven can be prevented.
  • the welding portions of the upper plate 3 and the lower plate 4 and the U-shaped plate 2 are respectively provided with a second enamel layer, and the second enamel layer completely covers the upper plate 3 and the lower plate 4 and the U-shaped plate 2
  • the joint portion can thereby further improve the sealing performance of the welded portion of the upper plate 3 and the lower plate 4 and the U-shaped plate 2, thereby improving the heat insulating effect of the casing and preventing microwave leakage.
  • the periphery of the upper plate 3 is provided with a third flange 31, and the third flange 31 is along the left, rear and right sides of the upper plate 3.
  • Extending along, and the third flange 31 has a shape that first extends downward toward the outside of the sealing cavity.
  • the third flange 31 connected to the left edge of the upper plate 31 extends first horizontally to the left and then downwardly.
  • the Z" shape, the third flange 31 connected to the rear edge of the upper plate 31 is a "Z" shape extending horizontally rearward and then extending downward, and the third flange 31 connected to the right edge of the upper plate 31 is first.
  • the "Z" shape extends horizontally to the right and then downward.
  • the inner surface of the third flange 31 is connected to the outer peripheral surface of the upper end of the U-shaped plate 2, that is, the upper end of the U-shaped plate 2 is fitted to the inner side of the third flange 31.
  • the third flange 31 is welded to the upper end of the U-shaped plate 2; thereby, the overlapping length of the upper plate 3 and the U-shaped plate 2 can be increased, so that the welding of the upper plate 3 and the U-shaped plate 2 can be facilitated, and further Ensure the quality of the weld, improve the reliability of the weld, and enhance the sealing performance at the weld.
  • the periphery of the lower plate 4 is provided with a fourth flange 41 which extends along the left, rear and right edges of the lower plate And the fourth flange has a shape that first extends upward toward the outside of the sealing cavity.
  • the fourth flange 41 connected to the left edge of the lower plate 4 has a "Z" shape extending horizontally first and then extending upward, and is connected.
  • a "Z" shape extending horizontally to the right and then extending upward
  • the fourth flange 41 connected to the rear edge of the lower plate 4 extends horizontally rearward and then upward. "Z" shape.
  • the inner surface of the fourth flange 41 is connected to the outer peripheral surface of the lower end of the U-shaped plate 2, that is, the lower end of the U-shaped plate 2 is fitted to the inner side of the fourth flange 41, and The fourth flange 41 is welded to the lower end of the U-shaped plate 2.
  • the overlapping length of the lower plate 4 and the U-shaped plate 2 can be increased, so that the welding of the upper plate 3 and the U-shaped plate 2 can be facilitated, thereby ensuring the quality of the weld, improving the reliability of the welding, and enhancing the weld. Sealing performance.
  • the lower edge of the third flange 31 and the upper edge of the fourth flange 41 are each bent outwardly toward the sealing cavity, for example, the left edge of the upper plate 3
  • the left edge of the three flanges 31 is curved to the left
  • the right edge of the third flange 31 of the right edge of the upper panel 3 is curved to the right
  • the rear of the third flange 31 of the rear edge of the upper panel 3 Along the curved shape which is bent backward, the left edge of the fourth flange 41 of the left edge of the lower plate 4 is curved to the left
  • the right edge of the fourth flange 41 of the right edge of the lower plate 4 is bent to the right.
  • the curved shape, the trailing edge of the fourth flange 41 of the rear edge of the lower plate 4 is curved in a backward curved shape.
  • the inner side of the upper plate 3 and the inner side of the lower plate 3 are substantially flush with the inner side of the rear side plate 23. Therefore, the inner surface of the cavity 100 can be made more flat and beautiful, and at the same time, it is convenient for the user to clean.
  • the second enamel layer is disposed inside the sealed cavity.
  • the microwave leakage can be prevented. It also makes the inner wall surface of the cavity smoother and easier for the user to clean.
  • a microwave oven according to an embodiment of the second aspect of the invention comprises a cavity 100 of a microwave oven according to an embodiment of the first aspect of the invention.
  • the microwave oven according to the embodiment of the present invention improves the overall performance of the microwave oven by providing the cavity 100 of the microwave oven of the first aspect embodiment described above.
  • the microwave oven includes a cavity 100 including a front plate assembly 1, a U-shaped plate 2, an upper plate 3, and a lower plate 4, wherein the front plate assembly 1, the U-shaped plate 2, The upper plate 3 and the lower plate 4 cooperate to define a sealed cavity that is open at the front.
  • the U-shaped plate 2 includes an integrally formed left side plate 21, a right side plate 22, and a rear side plate 23, a left side plate 21, a right side plate 22, an upper plate 3, and a lower plate.
  • the front edge of the plate 4 is provided with a first flange 101 extending forwardly outwardly of the sealing cavity, and the inner side of the front panel assembly 1 is provided with a second flange 11 extending rearward, the first flange 101
  • the inner surface is connected to the outer peripheral surface of the second flange 11.
  • the front edge of the first flange 101 is bent outwardly toward the sealing cavity, and the inner side surface of the left side plate 21, the inner side surface of the right side plate 22, the inner side surface of the upper plate 3, and the inner side surface of the lower plate 4 are both
  • the inner side of the second flange 11 is substantially flush.
  • the first flange 101 and the second flange 11 are seamlessly welded.
  • a welded portion of the left side plate 21, the right side plate 22, the upper plate 3 and the lower plate 4 and the front plate assembly 1 is provided with a first enamel layer, and the first enamel layer completely covers the front edge of the left side plate 21 and the right side plate 22 The front edge, the front edge of the upper plate 3, the front edge of the lower plate 4, and the inner edge of the front plate assembly 1.
  • the first enamel layer is disposed inside the sealed cavity.
  • the third edge of the upper plate 3 is provided with a third flange 31, and the third flange extends along the left edge, the rear edge and the right edge of the upper plate 3, and the third flange 31 is extended toward the outside of the sealed cavity.
  • the inner surface of the third flange 31 is connected to the outer peripheral surface of the upper end of the U-shaped plate 2.
  • the fourth edge of the lower plate 4 is provided with a fourth flange 41, and the fourth flange 41 extends along the left edge, the rear edge and the right edge of the lower plate 4, and the fourth flange 4 is outwardly sealed to the outside of the cavity
  • the extended shape, the inner surface of the fourth flange 4 is connected to the outer peripheral surface of the lower end of the U-shaped plate 2.
  • the lower edge of the third flange 31 and the upper edge of the fourth flange 41 are both bent outwardly toward the sealing cavity, and the inner side of the upper plate 3 and the inner side of the lower plate 4 are both opposite to the rear side plate 23.
  • the inner side is generally flush.
  • the third flange 31 is seamlessly welded to the upper end of the U-shaped plate 2; and the fourth flange 41 is seamlessly welded to the lower end of the U-shaped plate 2.
  • the second enamel layer is disposed on the welded portions of the upper plate 3 and the lower plate 4 and the U-shaped plate 2, and the second enamel layer completely covers the joint between the upper plate 3 and the lower plate 4 and the U-shaped plate 2.
  • the second enamel layer is disposed inside the sealed cavity.
  • the microwave oven according to the embodiment of the present invention is different from the fixing method in which the front plate assembly 1 of the oven cavity 100 is screwed to the cavity 100 in the related art, and the new Z-shaped shaping device is used to realize the seamless welding technology to make the front plate and the U
  • the stencil 2, the upper plate 3 and the lower plate 4 are welded, and the enamel is treated at the weld, so that the heat preservation effect of the microwave oven can be improved, and the microwave leakage can be effectively prevented.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” and “second” may include one or more of the features either explicitly or implicitly.
  • the meaning of "a plurality” is two or more unless specifically and specifically defined otherwise.
  • the terms “installation”, “connected”, “connected”, “fixed” and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated and defined otherwise. , or integrated; can be mechanical connection, electrical connection, or communication; can be directly connected, or indirectly connected through an intermediate medium, can be the internal connection of two components or the interaction of two components .
  • installation can be understood on a case-by-case basis.

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Abstract

一种微波烤箱的腔体（100）和具有其的微波烤箱，腔体（100）包括：前板组件（1）、U型板（2）、上板（3）和下板（4），前板组件（1）的至少一部分呈环形平板状；上板（3）的周沿分别与U型板（2）的上周沿以及前板组件（1）的上边沿相连；下板（4）的周沿分别与U型板（2）的下周沿以及前板组件（1）的下边沿相连。

Description

微波烤箱的腔体和具有其的微波烤箱 技术领域
本发明涉及家用电器技术领域，尤其是涉及一种微波烤箱的腔体和具有其的微波烤箱。
背景技术
相关技术中指出，烤箱腔体的前板通常采用螺钉的固定方式，零部件较多，结构复杂，密封性和保温性能较差。
发明内容
本发明旨在至少解决现有技术中存在的技术问题之一。为此，本发明在于提出一种微波烤箱的腔体，所述腔体具有结构简单、零部件少和密封性能好等优点。
本发明还提出一种具有上述腔体的微波烤箱。
根据本发明第一方面的微波烤箱的腔体，包括：前板组件，所述前板组件的至少一部分呈环形平板状；U型板，所述U型板包括一体成型的左侧板、右侧板和后侧板，所述后侧板的左边沿与所述左侧板的后边沿相连，且所述后侧板的右边沿与所述右侧板的后边沿相连，所述左侧板的前边沿与所述前板组件内侧的左边沿相连，所述右侧板的前边沿与所述前板组件内侧的右边沿相连；上板，所述上板的周沿分别与所述U型板的上周沿以及所述前板组件内侧的上边沿相连以封闭所述U型板的上面；下板，所述下板的周沿分别与所述U型板的下周沿以及所述前板组件内侧的下边沿相连以封闭所述U型板的下面，所述前板组件、所述U型板、所述上板以及所述下板配合限定出前面敞开的密封空腔。
根据本发明的微波烤箱的腔体，零部件数量少，腔体的密封性能好，微波烤箱的腔体的保温效果佳，还可以防止微波泄漏，安全可靠性高。
根据本发明的一个示例，所述左侧板、所述右侧板、所述上板和所述下板均与所述前板组件无缝焊接。
根据本发明的一个示例，所述左侧板、所述右侧板、所述上板和所述下板与所述前板组件的焊接处设置有第一搪瓷层，所述第一搪瓷层完全覆盖所述左侧板的前边沿与所述前板组件内侧的左边沿、所述右侧板的前边沿、所述上板的前边沿、所述下板的前边沿以及所述前板组件的内侧沿。
根据本发明的一个示例，所述左侧板、所述右侧板、所述上板和所述下板的前边沿均设有先向所述密封空腔外在向前延伸的第一翻边，所述前板组件的内侧沿设有向后延伸的第 二翻边，所述第一翻边的内表面与所述第二翻边的外周面相连，且所述第一翻边与所述第二翻边焊接。
根据本发明的一个示例，所述第一翻边的前沿向所述密封空腔外弯折呈弧形，且所述左侧板的内侧面、所述右侧板的内侧面、所述上板的内侧面和所述下板的内侧面均与所述第二翻边的内侧面大体齐平。
根据本发明的一个示例，所述第一搪瓷层设在所述密封空腔内侧。
根据本发明的一个示例，所述上板和所述下板均与所述U型板无缝焊接。
根据本发明的一个示例，所述上板和所述下板与所述U型板的焊接处均设置有第二搪瓷层，所述第二搪瓷层完全覆盖所述上板和所述下板与所述U型板的接合处。
根据本发明的一个示例，所述上板的周沿设有第三翻边部，且所述第三翻边部沿所述上板的左边沿、后边沿和右边沿延伸，且所述第三翻边呈先向所述密封空腔外再向下延伸的形状，所述第三翻边的内表面与所述U型板的上端的外周面相连，且所述第三翻边与所述U型板的上端焊接；所述下板的周沿设有第四翻边，且所述第四翻边沿所述下板的左边沿、后边沿和右边沿延伸，且所述第四翻边呈先向所述密封空腔外再向上延伸的形状，所述第四翻边的内表面与所述U型板下端的外周面相连，且所述第四翻边与所述U型板的下端焊接。
根据本发明的一个示例，所述第三翻边的下沿以及所述第四翻边的上沿均向所述密封空腔外弯折呈弧形，且所述上板的内侧面以及所述下板的内侧面均与所述后侧板的内侧面大体齐平。
根据本发明的一个示例，所述第二搪瓷层设在所述密封空腔内侧。
根据本发明第二方面的微波烤箱，所述微波烤箱包括：腔体，所述腔体为上述第一方面的微波烤箱的腔体。
根据本发明的微波烤箱，通过设置上述第一方面的微波烤箱的腔体，从而提高了微波烤箱的整体性能。
本发明的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本发明的实践了解到。
附图说明
图1是根据本发明实施例的微波烤箱的腔体的示意图；
图2是图1中所示的微波烤箱的腔体的剖视图；
图3是图2中圈示的A处的放大图；
图4是图2中圈示的B处的放大图；
图5是图2中圈示的C处的放大图；
图6是图2中圈示的D处的放大图；
图7是图1中所示的U型板的示意图；
图8是图7中圈示的E处的放大图；
图9是图7中圈示的F处的放大图。
附图标记：
微波烤箱的腔体100，
第一翻边101，
前板组件1，第二翻边11，
U型板2，左侧板21，右侧板22，后侧板23，
上板3，第三翻边31，
下板4，第四翻边41。
具体实施方式
下面详细描述本发明的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，旨在用于解释本发明，而不能理解为对本发明的限制。
下面参考图1-图9描述根据本发明第一方面实施例的微波烤箱的腔体100。
如图1-图9所示，根据本发明第一方面实施例的微波烤箱的腔体100，包括：前板组件1、U型板2、上板3和下板4。
具体地，前板组件1的至少一部分呈环形平板状；U型板2包括一体成型的左侧板21、右侧板22和后侧板23，后侧板23的左边沿与左侧板21的后边沿相连，且后侧板23的右边沿与右侧板22的后边沿相连，左侧板21的前边沿与前板组件1内侧的左边沿相连，右侧板22的前边沿与前板组件1内侧的右边沿相连。
进一步地，左侧板21与前板组件1无缝焊接，右侧板22与前板组件1无缝焊接。由此，可以提高左侧板21和右侧板22与前板组件1之间的连接强度，减少零部件数量，同时，还可以提高腔体100的保温效果，防止微波烤箱内的微波泄漏。
上板3的周沿分别与U型板2的上周沿以及前板组件1内侧的上边沿相连，以封闭U型板的上面；下板4的周沿分别与U型板2的下周沿以及前板组件1内侧的下边沿相连，以封闭U型板2的下面。前板组件1、U型板2、上板3以及下板4配合限定出前面敞开的密封空腔。
进一步地，上板3与前板组件1无缝焊接，下板4与前板组件无缝焊接。由此，可以提 高上板3和下板4与前板组件1之间的连接强度，减少零部件数量，同时，还可以提高腔体100的保温效果，防止微波烤箱内的微波泄漏。
根据本发明实施例的微波烤箱的腔体100，零部件数量少，腔体100的密封性能好，微波烤箱的腔体100的保温效果佳，还可以防止微波泄漏，安全可靠性高。
在本发明的一个实施例中，左侧板21、右侧板22、上板3和下板4与前板组件1的焊接处设置有第一搪瓷层，第一搪瓷层完全覆盖左侧板21的前边沿与前板组件1内侧的左边沿、右侧板22的前边沿、上板3的前边沿、下板4的前边沿以及前板组件1的内侧沿。由此，可以进一步提高左侧板21、右侧板22上板3和下板4与前板组件1焊接处的密封性能，从而进一步提高箱体的保温效果，防止微波泄漏。
在本发明的一个实施例中，参照图2、图3和图5，左侧板21、右侧板22、上板3和下板4的前边沿均设第一翻边101，第一翻边101先向密封空腔外延伸再向前延伸，前板组件1的内侧沿设有向后延伸的第二翻边11，第一翻边101的内表面与第二翻边11的外周面相连，也就是说，第二翻边11贴合在第一翻边101的内侧，且第一翻边101与第二翻边11焊接。由此，第一翻边101和第二翻边11可以增加左侧板21、右侧板22、上板3和下板4与前板组件1焊接时的搭接长度，从而可以便于焊接，保证焊缝质量，提高焊接的可靠性，增强焊缝处的密封性能。
优选地，第一翻边101的前沿向密封空腔外弯折呈弧形，如图3所示，上板3前沿的第一翻边101的前沿呈向上折弯的弧形，又如图5所示，下板4前沿的第一翻边101的前沿呈向下折弯的弧形。由于在焊接之前时，需先将第二翻边11***到第一翻边101的内侧，此时，通过将第一翻边101的前沿向外折弯，可以增大腔体100的前部开口，从而可以对第二翻边11的***起到快速导向定位的作用，提高装配效率。
进一步地，参照图3和图5，左侧板21的内侧面、右侧板22的内侧面、上板3的内侧面和下板4的内侧面均与第二翻边11的内侧面大体齐平。由此，可以使腔体100内表面更加更加平整、美观，同时便于用户清洁。
有利地，第一搪瓷层设在密封空腔内侧，由此，不仅可以进一步提高腔体100的保温效果，防止微波泄漏。还可以使腔体的内壁面更为光滑，便于用户清洁。
在本发明的一些实施例中，上板3与U型板2无缝焊接，下板4与U型板2无缝焊接。由此，可以提高上板3和下板4与U型板2之间的连接强度，减少零部件数量，同时，还可以提高腔体100的保温效果，防止微波烤箱内的微波泄漏。
在本发明的一个实施例中，上板3和下板4与U型板2的焊接处均设置有第二搪瓷层，第二搪瓷层完全覆盖上板3和下板4与U型板2的接合处，由此，可以进一步提高上板3和下板4与U型板2焊接处的密封性能，从而提高箱体的保温效果，防止微波泄漏。
在本发明的一个实施例中，参照图2和图4所示，上板3的周沿设有第三翻边31，且第三翻边31沿上板3的左边沿、后边沿和右边沿延伸，且第三翻边31呈先向密封空腔外再向下延伸的形状，例如，连接在上板31左边沿的第三翻边31呈先水平向左延伸再向下延伸的“Z”字型，连接在上板31后边沿的第三翻边31呈先水平向后延伸再向下延伸的“Z”字型，连接在上板31右边沿的第三翻边31呈先水平向右延伸再向下延伸的“Z”字型。
进一步地，如图4所示，第三翻边31的内表面与U型板2的上端的外周面相连，也就是说，U型板2的上端贴合在第三翻边31的内侧，且第三翻边31与U型板2的上端焊接；由此，可以增加上板3与U型板2焊接时的搭接长度，从而可以便于上板3和U型板2的焊接，进而保证焊缝质量，提高焊接的可靠性，增强焊缝处的密封性能。
在本发明的一个实施例中，如图2和图6所示，下板4的周沿设有第四翻边41，第四翻边41沿下板的左边沿、后边沿和右边沿延伸，且第四翻边呈先向密封空腔外再向上延伸的形状，例如，连接在下板4左边沿的第四翻边41呈先水平向左延伸再向上延伸的“Z”字型，连接在下板4的右边沿第四翻边41呈先水平向右延伸再向上延伸的“Z”字型，连接在下板4的后边沿的第四翻边41呈先水平向后延伸再向上延伸的“Z”字型。
进一步地，如图6所示，第四翻边41的内表面与U型板2下端的外周面相连，也就是说，U型板2的下端贴合在第四翻边41的内侧，且第四翻边41与U型板2的下端焊接。由此，可以增加下板4与U型板2焊接时的搭接长度，从而可以便于上板3和U型板2的焊接，进而保证焊缝质量，提高焊接的可靠性，增强焊缝处的密封性能。
有利地，如图4和图6所示，第三翻边31的下沿以及第四翻边41的上沿均向密封空腔外弯折呈弧形，例如，上板3左边沿的第三翻边31的左沿呈向左折弯的弧形，上板3右边沿的第三翻边31的右沿呈向右折弯的弧形，上板3后边沿的第三翻边31的后沿呈向后折弯的弧形，下板4左边沿的第四翻边41的左沿呈向左折弯的弧形，下板4右边沿的第四翻边41的右沿呈向右折弯的弧形，下板4后边沿的第四翻边41的后沿呈向后折弯的弧形。通过将第三翻边31和第四翻边41的前沿向外折弯，有利于将U型板2的上沿和下沿快速导向定位***第三翻边31和第四翻边41的内侧，从而可以提高装配效率。
优选地，上板3的内侧面以及下板3的内侧面均与后侧板23的内侧面大体齐平。由，可以使腔体100内表面更加更加平整、美观，同时便于用户清洁。
有利地，第二搪瓷层设在密封空腔内侧。由此，不仅可以进一步提高腔体的保温效果，防止微波泄漏。还可以使空腔的内壁面更为光滑，便于用户清洁。
根据本发明第二方面实施例的微波烤箱，包括根据本发明第一方面实施例的微波烤箱的腔体100。
根据本发明实施例的微波烤箱，通过设置上述第一方面实施例的微波烤箱的腔体100，从而提高了微波烤箱的整体性能。
下面将参考图1-图9描述根据本发明一个具体实施例的微波烤箱。
参照图1-图9，微波烤箱包括腔体100，所述腔体100包括前板组件1、U型板2、上板3和下板4，其中，前板组件1、U型板2、上板3以及下板4配合限定出前面敞开的密封空腔。
具体地，如图1-图9所示，U型板2包括一体成型的左侧板21、右侧板22和后侧板23，左侧板21、右侧板22、上板3和下板4的前边沿均设有先向密封空腔外再向前延伸的第一翻边101，前板组件1的内侧沿设有向后延伸的第二翻边11，第一翻边101的内表面与第二翻边11的外周面相连。第一翻边101的前沿向密封空腔外弯折呈弧形，且左侧板21的内侧面、右侧板22的内侧面、上板3的内侧面和下板4的内侧面均与第二翻边11的内侧面大体齐平。第一翻边101与第二翻边11无缝焊接。
左侧板21、右侧板22、上板3和下板4与前板组件1的焊接处设置有第一搪瓷层，第一搪瓷层完全覆盖左侧板21的前边沿、右侧板22的前边沿、上板3的前边沿、下板4的前边沿以及前板组件1的内侧沿。第一搪瓷层设在密封空腔内侧。
上板3的周沿设有第三翻边31，且第三翻边沿上板3的左边沿、后边沿和右边沿延伸，且第三翻边31呈先向密封空腔外再向下延伸的形状，第三翻边31的内表面与U型板2的上端的外周面相连。
下板4的周沿设有第四翻边41，且第四翻边41沿下板4的左边沿、后边沿和右边沿延伸，且第四翻边4呈先向密封空腔外再向上延伸的形状，第四翻边4的内表面与U型板2下端的外周面相连。
第三翻边31的下沿以及第四翻边41的上沿均向密封空腔外弯折呈弧形，且上板3的内侧面以及下板4的内侧面均与后侧板23的内侧面大体齐平。第三翻边31与U型板2的上端无缝焊接；且第四翻边41与U型板2的下端无缝焊接。
上板3和下板4与U型板2的焊接处均设置有第二搪瓷层，第二搪瓷层完全覆盖上板3和下板4与U型板2的接合处。第二搪瓷层设在密封空腔内侧。
根据本发明实施例的微波烤箱，区别于相关技术中烤箱腔体100的前板组件1螺钉固定于腔体100的固定方式，采用新Z字型整形设备实现无缝焊接技术使得前板与U型板2、上板3以及下板4焊接，且焊缝处搪瓷处理，从而可以提高微波烤箱的保温效果，且还可以有效地防止微波泄漏。
在本发明的描述中，需要理解的是，术语“中心”、“长度”、“宽度”、“厚度”、 “上”、“下”、“前”、“后”、“左”、“右”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本发明的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
在本发明中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接，还可以是通信；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不必须针对的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任一个或多个实施例或示例中以合适的方式结合。此外，在不相互矛盾的情况下，本领域的技术人员可以将本说明书中描述的不同实施例或示例以及不同实施例或示例的特征进行结合和组合。
尽管已经示出和描述了本发明的实施例，本领域的普通技术人员可以理解：在不脱离本发明的原理和宗旨的情况下可以对这些实施例进行多种变化、修改、替换和变型，本发明的范围由权利要求及其等同物限定。

Claims (12)

  1. 一种微波烤箱的腔体，其特征在于，包括：
    前板组件，所述前板组件的至少一部分呈环形平板状；
    U型板，所述U型板包括一体成型的左侧板、右侧板和后侧板，所述后侧板的左边沿与所述左侧板的后边沿相连，且所述后侧板的右边沿与所述右侧板的后边沿相连，所述左侧板的前边沿与所述前板组件内侧的左边沿相连，所述右侧板的前边沿与所述前板组件内侧的右边沿相连；
    上板，所述上板的周沿分别与所述U型板的上周沿以及所述前板组件内侧的上边沿相连以封闭所述U型板的上面；
    下板，所述下板的周沿分别与所述U型板的下周沿以及所述前板组件内侧的下边沿相连以封闭所述U型板的下面，
    所述前板组件、所述U型板、所述上板以及所述下板配合限定出前面敞开的密封空腔。
  2. 根据权利要求1所述的微波烤箱的腔体，其特征在于，所述左侧板、所述右侧板、所述上板和所述下板均与所述前板组件无缝焊接。
  3. 根据权利要求2所述的微波烤箱的腔体，其特征在于，所述左侧板、所述右侧板、所述上板和所述下板与所述前板组件的焊接处设置有第一搪瓷层，所述第一搪瓷层完全覆盖所述左侧板的前边沿、所述右侧板的前边沿、所述上板的前边沿、所述下板的前边沿以及所述前板组件的内侧沿。
  4. 根据权利要求3所述的微波烤箱的腔体，其特征在于，所述左侧板、所述右侧板、所述上板和所述下板的前边沿均设有先向所述密封空腔外在向前延伸的第一翻边，所述前板组件的内侧沿设有向后延伸的第二翻边，所述第一翻边的内表面与所述第二翻边的外周面相连，且所述第一翻边与所述第二翻边焊接。
  5. 根据权利要求4所述的微波烤箱的腔体，其特征在于，所述第一翻边的前沿向所述密封空腔外弯折呈弧形，且所述左侧板的内侧面、所述右侧板的内侧面、所述上板的内侧面和所述下板的内侧面均与所述第二翻边的内侧面大体齐平。
  6. 根据权利要求3-5中任一项所述的微波烤箱的腔体，其特征在于，所述第一搪瓷层设在所述密封空腔内侧。
  7. 根据权利要求1-6中任一项所述的微波烤箱的腔体，其特征在于，所述上板和所述下板均与所述U型板无缝焊接。
  8. 根据权利要求6或7所述的微波烤箱的腔体，其特征在于，所述上板和所述下板与所述U型板的焊接处均设置有第二搪瓷层，所述第二搪瓷层完全覆盖所述上板和所述下板与所述U型板的接合处。
  9. 根据权利要求8所述的微波烤箱的腔体，其特征在于，
    所述上板的周沿设有第三翻边，且所述第三翻边沿所述上板的左边沿、后边沿和右边沿延伸，且所述第三翻边呈先向所述密封空腔外再向下延伸的形状，所述第三翻边的内表面与所述U型板的上端的外周面相连，且所述第三翻边与所述U型板的上端焊接；
    所述下板的周沿设有第四翻边，且所述第四翻边沿所述下板的左边沿、后边沿和右边沿延伸，且所述第四翻边呈先向所述密封空腔外再向上延伸的形状，所述第四翻边的内表面与所述U型板下端的外周面相连，且所述第四翻边与所述U型板的下端焊接。
  10. 根据权利要求9所述的微波烤箱的腔体，其特征在于，所述第三翻边的下沿以及所述第四翻边的上沿均向所述密封空腔外弯折呈弧形，且所述上板的内侧面以及所述下板的内侧面均与所述后侧板的内侧面大体齐平。
  11. 根据权利要求8-10中任一项所述的微波烤箱的腔体，其特征在于，所述第二搪瓷层设在所述密封空腔内侧。
  12. 一种微波烤箱，其特征在于，包括：
    腔体，所述腔体为根据权利要求1-11中任一项所述的微波烤箱的腔体。
PCT/CN2017/105481 2016-10-17 2017-10-10 微波烤箱的腔体和具有其的微波烤箱 WO2018072620A1 (zh)

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CN206145744U (zh) * 2016-10-17 2017-05-03 广东美的厨房电器制造有限公司 微波烤箱的腔体和具有其的微波烤箱
CN107485304A (zh) * 2017-09-22 2017-12-19 东莞市天倬电器有限公司 一种应用于蒸汽烤箱的腔体及蒸汽烤箱
CN111012206A (zh) * 2019-12-31 2020-04-17 广东美的厨房电器制造有限公司 腔体组件及具有其的烤箱
CN113681143A (zh) * 2021-08-30 2021-11-23 广州亨龙智能装备股份有限公司 一种壳体焊接生产方法

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