CN111543846A - Inner container assembly, cooking device and steaming and baking machine - Google Patents

Abstract

The invention relates to a liner assembly, a cooking device and a steaming and baking machine. A bladder assembly comprising: the inner container is of a hollow structure with an inner cavity, at least part of the inner container is used for forming an installation part, and the installation part completely separates the inner cavity from the outer part of the inner container; the fixing unit is fixed on the mounting part and does not destroy the characteristic that the mounting part completely separates the inner cavity from the outer part of the inner container; and a heating element fixed to the fixing unit. In the liner assembly and the cooking device, the heating element is fixed on the installation part of the liner through the fixing unit, the installation part is a part which completely separates the inner cavity of the liner from the outer part of the liner, and the installation part is not provided with a hole, a channel and other structures which are communicated with the inner cavity of the liner and the outer part, so that compared with a mode of directly fixing the heating element on the liner by using bolts, the mode of fixing the heating element through the fixing unit has fewer holes on the liner, and the sealing property of the liner is ensured.

Description

Inner container assembly, cooking device and steaming and baking machine

Technical Field

The invention relates to the technical field of kitchen utensils, in particular to a liner assembly, a cooking device and a steaming and baking machine.

Background

With the development of the times and the progress of science and technology, people are pursuing high-quality life, household appliances are also developed, and compared with a traditional oven charcoal oven and a steam oven which are time-consuming and labor-consuming, the household appliances with steam and baking functions are more and more popular among consumers. At present, a plurality of cooking appliances such as a steam box, an oven, a steaming oven and the like are available on the market, and a large number of screws are needed to be used when the heating tube is installed, so that more bolt holes have to be formed in the inner container, and the sealing performance is poor.

Disclosure of Invention

Accordingly, it is desirable to provide a liner assembly, a cooking device and a steaming and baking machine, which can solve the problem of poor sealing performance of the liner.

A liner assembly, comprising: the inner container is of a hollow structure with an inner cavity, at least part of the inner container is used for forming an installation part, and the installation part completely separates the inner cavity from the outer part of the inner container; the fixing unit is fixed on the mounting part and does not destroy the characteristic that the mounting part completely separates the inner cavity from the outer part of the inner container; and a heating element fixed to the fixing unit.

In one embodiment, the fixing unit includes a fixing frame, the heating element is fixed on the fixing frame, and the fixing frame is welded and/or bonded with the mounting portion.

In one embodiment, the fixing unit further includes a supporting member in limit fit with the fixing frame, and the supporting member is supported on the heating element.

In one embodiment, the fixing frame comprises a fixing portion and a limiting portion connected with the fixing portion, the fixing portion is fixedly connected with the mounting portion, the limiting portion is provided with a limiting opening, and the supporting member penetrates through the limiting opening and is in limiting fit with a side wall of the limiting opening.

In one embodiment, the fixing portion is attached to the mounting portion, the limiting portion extends in a direction away from the mounting portion, the limiting opening is a notch formed in a side edge of the limiting portion, and the supporting member penetrates through the limiting opening and enables at least part of the heating body to be spaced from the inner container.

In one embodiment, the side wall of the limiting opening comprises a first limiting wall, the first limiting wall is in limiting fit with the supporting piece and used for limiting the supporting piece to move along a first direction, and the surface, attached to the fixing portion, of the mounting portion is parallel to the first direction.

In one embodiment, the side wall of the limiting opening further comprises a second limiting wall, the second limiting wall is in limiting fit with the supporting part, and the second limiting wall is used for limiting the supporting part to move along a second direction close to or far away from the mounting part.

In one embodiment, the number of the limiting portions is two, the two limiting portions are oppositely arranged at an interval, a limiting space is formed between the two limiting portions, the support member has a bending portion, the bending portion is located in the limiting space, and the two limiting portions are used for limiting the movement of the bending portion along a third direction, wherein the third direction, the second direction and the first direction are mutually perpendicular in pairs.

In one embodiment, the heating element includes a first pipe section, a second pipe section and a third pipe section, the first pipe section and the second pipe section are arranged in parallel and at an interval, two ends of the third pipe section are respectively connected with the first pipe section and the second pipe section, and two ends of the supporting member are respectively connected with the first pipe section and the second pipe section.

In one embodiment, the inner container assembly further includes a limiting sheet, the limiting sheet is provided with first via holes and second via holes arranged at intervals, the inner container is provided with third via holes corresponding to the first via holes and fourth via holes corresponding to the second via holes, the heating element includes a first connecting end and a second connecting end, the first connecting end penetrates through the first via holes and the third via holes, the second connecting end penetrates through the second via holes and the fourth via holes, and the limiting sheet is fixedly connected with the inner container.

In one embodiment, the liner assembly further comprises a first fastening piece, a first assembling hole is formed in the limiting piece, a second assembling hole opposite to the first assembling hole is formed in the liner, and the first fastening piece is arranged in the first assembling hole and the second assembling hole in a penetrating mode.

In one embodiment, the mounting part is provided with a positioning protrusion, the fixing unit is provided with a positioning hole, and the positioning protrusion penetrates through the positioning hole and is in positioning fit with the positioning hole.

In one embodiment, at least a portion of the wall of the inner cavity is used to form the mounting portion, the fixing unit is fixed to the mounting portion and located in the inner cavity, and the heating element is fixed to the fixing unit and located in the inner cavity.

In one embodiment, the inner container assembly further includes a fan housing, and the fan housing is located in the inner cavity and covers the fixing unit and the heating element.

In one embodiment, the heating element is fixedly arranged on the fixing unit and is matched with the fixing unit to form a heating unit, the fan housing is matched with the inner wall of the inner container to form at least two installation cavities, the number of the heating units is at least two, and the at least two heating units are arranged in the at least two installation cavities in a one-to-one correspondence manner.

In one embodiment, the wind cover is fixedly connected with the fixing unit.

In one embodiment, the fixing unit includes a fixing frame, the fixing frame includes a fixing portion and a fan housing installation portion connected to the fixing portion, the fixing portion is fixedly connected to the installation portion, and the fan housing is fixedly connected to the fan housing installation portion.

In one embodiment, the fan cover mounting part and the inner wall of the inner container are arranged at intervals, the fan cover is fixedly connected with the fan cover mounting part, and the fan cover and the heating body are arranged at intervals.

In one embodiment, the inner container assembly further includes a second fastening member, the fan housing mounting portion is provided with a third assembling hole, the fan housing is provided with a fourth assembling hole opposite to the third assembling hole, and the second fastening member is inserted into the third assembling hole and the fourth assembling hole.

In one embodiment, the fan housing and the inner wall of the inner container are matched to form a mounting cavity, fan blades are further arranged in the mounting cavity, and the fixing frame is supported on the fan housing and enables the fan housing and the fan blades to be spaced.

A cooking device, comprising: a liner assembly as described above.

A toaster comprising: a liner assembly as described above.

In the liner assembly, the steaming and baking machine and the cooking device, the heating body is fixed on the installation part of the liner through the fixing unit, the installation part is a part which completely separates the inner cavity of the liner from the outer part of the liner, and the installation part is not provided with a hole, a channel and other structures which are used for communicating the inner cavity of the liner with the outer part, so that compared with a mode of directly fixing the heating body on the liner by using bolts, the mode of fixing the heating body through the fixing unit has fewer holes on the liner, and the sealing property of the liner is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without any creative work.

FIG. 1 is a schematic cross-sectional view of a liner assembly according to an embodiment of the present invention;

FIG. 2 is a schematic view showing an assembly structure of a fixing unit and a heating element in an embodiment of the present invention;

FIG. 3 is a schematic structural view of a fixing frame according to an embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view of the inner container according to an embodiment of the present invention;

FIGS. 5-7 are schematic views illustrating the assembly principle of the inner container assembly according to an embodiment of the present invention;

FIG. 8 is a schematic cross-sectional view of a bladder assembly in an embodiment of the present invention;

FIG. 9 is an enlarged view of a portion of the graph shown in FIG. 8;

fig. 10 is a schematic view of a partially enlarged structure at B of the graph shown in fig. 8.

Description of reference numerals:

100. an inner container; 110. a back plate; 111. an installation part; 1110. positioning the projection; 112. an inner cavity; 113. a third via hole; 114. a fourth via hole; 115. a second assembly hole; 200. a fixing unit; 210. a fixed mount; 211. A fixed part; 2110. positioning holes; 212. a limiting part; 2120. a limiting port; 213. a fan housing mounting part; 2130. A third assembly hole; 220. a support member; 221. a bending section; 222. hooping; 300. a heating element; 310. A first tube section; 311. a first connection end; 320. a second tube section; 321. a second connection end; 330. a limiting sheet; 331. a first assembly hole; 340. a first fastener; 350. a third tube section; 400. a fan housing; 410. A vent hole; 420. a fourth assembly hole; 430. a second fastener; 500. a fan; 510. a fan blade.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention can be embodied in many different forms than those herein described and one skilled in the art can make similar modifications without departing from the spirit of the invention and it is therefore not limited to the specific embodiments disclosed below.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered as limiting the invention.

Furthermore, the terms "first", "second" are used for descriptive purposes only and are 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 the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected through the interior of two elements or through the interaction of two elements unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "below," and "beneath" a second feature may be directly or obliquely under the first feature or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "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 "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

As shown in fig. 1, the inner container assembly according to one embodiment includes an inner container 100, a fixing unit 200, and a heating element 300, and the fixing unit 200 is used to fix the heating element 300 to the inner container 100.

As shown in fig. 4, the inner container 100 has a hollow structure with an inner cavity 112, at least a portion of the inner container 100 is used to form a mounting portion 111, and the mounting portion 111 completely separates the inner cavity 112 of the inner container 100 from the outside of the inner container 100. In other words, the mounting portion 111 is a part of the inner container 100, and the mounting portion 111 of the inner container 100 completely separates the inside of the inner container 100 from the outside, that is, the mounting portion 111 does not have a hole, a passage, or the like to communicate the inner cavity 112 of the inner container 100 with the outside.

Specifically, the mounting portion 111 is a portion of the back plate 110 of the inner container 100. Of course, in other embodiments, the mounting portion 111 may be a part of a side plate of the inner container 100, and is not limited herein.

As shown in fig. 1 and 3, the fixing unit 200 is fixed to the mounting portion 111, and the fixing unit 200 is used to fix the heating element 300 to the inner container 100 without destroying the feature that the mounting portion 111 completely separates the inner cavity 112 from the outside of the inner container 100. Specifically, in this embodiment, at least a portion of the wall of the inner cavity 112 is used to form the mounting portion 111, the fixing unit 200 is fixed on the mounting portion 111 and located in the inner cavity 112, and the heating element 300 is fixed on the fixing unit 200 and located in the inner cavity 112, so that the heating element 300 can heat food in the inner cavity 112 conveniently. Of course, in another embodiment, at least a portion of the outer side surface of the inner container 100 forms the mounting portion 111, the fixing unit 200 is disposed outside the inner container 100, the fixing unit 200 is used for fixing the heating element 300 outside the inner container 100, the inner container 100 is a heat conductor, and the heating element 300 can transmit heat to the inner cavity 112 through the inner container 100 to heat food in the inner cavity 112.

As shown in fig. 1 and 3, in the above-mentioned liner assembly, the heating element 300 is fixed to the mounting portion 111 of the liner 100 by the fixing unit 200, the mounting portion 111 is a portion completely separating the inner cavity 112 of the liner 100 from the outside of the liner 100, and the mounting portion 111 has no hole, passage, or the like for communicating the inner cavity 112 of the liner 100 with the outside, so that the opening of the liner 100 is reduced and the sealing property of the liner 100 is ensured in the manner of fixing the heating element 300 by the fixing unit 200 as compared with the manner of directly fixing the heating element 300 to the liner 100 by bolts.

As shown in fig. 2 and 4, the fixing unit 200 includes a fixing frame 210, the heating element 300 is fixed to the fixing frame 210, and the fixing frame 210 is welded and/or bonded to the mounting portion 111. The fixing frame 210 is fixed on the mounting part 111 in a welding and/or bonding mode, and a hole is not required to be formed in the mounting part 111 to reserve a mounting position, so that the sealing performance of the inner container 100 is ensured.

Further, the fixing unit 200 further includes a supporting member 220 in a position-limited fit with the fixing frame 210, and the supporting member 220 is supported on the heating element 300. The heating element 300 is mounted in such a manner that the fixing frame 210 is fixed to the mounting portion 111, the fixing frame 210 limits the position of the supporting member 220, and the supporting member 220 supports the heating element 300, so that the heating element 300 is fixed to the inner container 100.

Specifically, the heating element 300 is a heating tube, the heating element 300 includes a first tube section 310, a second tube section 320 and a third tube section 350, the first tube section 310 and the second tube section 320 are arranged in parallel and at an interval, the third tube section 350 is used for connecting the first tube section 310 and the second tube section 320, and two ends of the supporting member 220 are respectively connected with the first tube section 310 and the second tube section 320. Thus, the heating element 300 is supported by the supporting member 220, and then the supporting member 220 is limited by the fixing frame 210, so that the installation of the heating element 300 can be realized.

More specifically, the two ends of the supporting member 220 are both provided with the hoops 222, and the hoops 222 at the two ends of the supporting member 220 are respectively clasped on the first pipe section 310 and the second pipe section 320, so as to fix the supporting member 220 and the heating element 300.

As shown in fig. 2-4, the fixing frame 210 further includes a fixing portion 211 and a limiting portion 212 connected to the fixing portion 211, the fixing portion 211 is fixedly connected to the mounting portion 111, the limiting portion 212 has a limiting opening 2120, and the supporting member 220 is disposed through the limiting opening 2120 and is in limiting fit with a side wall of the limiting opening 2120. The fixing portion 211 is fixedly connected with the mounting portion 111 to fix the fixing frame 210 and the inner container 100, the supporting member 220 is arranged in the limiting opening 2120 in a penetrating manner, the side wall of the limiting opening 2120 can limit the position of the supporting member 220, and the supporting member 220 is prevented from moving randomly.

Specifically, the fixing frame 210 is disposed in the inner cavity 112, the fixing portion 211 is plate-shaped, the fixing portion 211 and the mounting portion 111 are attached by welding and/or bonding, the limiting portion 212 is also plate-shaped, the limiting portion 212 extends in a direction away from the mounting portion 111, and the limiting opening 2120 is a notch formed on a side of the limiting portion 212. After the supporting member 220 is inserted into the limiting opening 2120, the heating element 300 is spaced from the inner container 100, so that the heating element 300 is prevented from directly contacting the inner container 100, and the temperature uniformity of the inner cavity 112 is ensured when the heating element 300 radiates heat.

As shown in fig. 1-3, the sidewall of the limiting opening 2120 further includes a first limiting wall, which is in limiting engagement with the supporting member 220 for limiting the supporting member 220 from moving in the first direction. The surface of the mounting portion 111 attached to the fixing portion 211 is parallel to the first direction, i.e., the first direction is parallel to the inner surface of the back plate 110.

Specifically, the mounting portion 111 is a portion of the back plate 110 of the inner container 100, the fixing frame 210 is disposed in the inner cavity 112 and fixedly connected to the mounting portion 111, the supporting member 220 is disposed through the limiting opening 2120 and can abut against a first limiting wall, and the first limiting wall can limit the supporting member 220 to move along a first direction. Specifically, in the present embodiment, the first direction is the left-right direction.

Further, the side wall of the limiting opening 2120 further includes a second limiting wall, the second limiting wall is in limiting fit with the supporting member 220, and the second limiting wall is used for limiting the supporting member 220 to move along a second direction close to or far away from the mounting portion 111.

Specifically, the number of the second limiting walls is two, the two second limiting walls are both parallel to the inner surface of the back plate 110, the supporting member 220 can be abutted against the two second limiting walls after penetrating through the limiting opening 2120, and the two second limiting walls are used for limiting the movement of the supporting member 220 along a second direction close to or far away from the mounting portion 111.

Furthermore, the two position-limiting portions 212 are disposed opposite to each other at an interval, a position-limiting space is formed between the two position-limiting portions 212, the supporting member 220 has a bending portion 221, the bending portion 221 is located in the position-limiting space, the two position-limiting portions 212 are used for limiting the bending portion 221 in a third direction, and the third direction, the second direction and the first direction are perpendicular to each other two by two.

Specifically, the two position-limiting portions 212 are perpendicular to the inner surface of the back plate 110, the two position-limiting portions 212 are disposed opposite to each other at an interval, the middle portion of the supporting member 220 is bent, after the supporting member 220 is inserted into the position-limiting openings 2120 of the two position-limiting portions 212, the bending portion 221 is located in the position-limiting space formed between the two position-limiting portions 212, and at this time, the two position-limiting portions 212 can limit the bending portion 221 to move along the third direction. Specifically, in this embodiment, the second direction is an up-down direction.

In the embodiment, the fixing frame 210 has a shape of a Chinese character ji.

As shown in fig. 3-4 and 10, in one embodiment, the mounting portion 111 is provided with a positioning protrusion 1110, the fixing unit 200 is provided with a positioning hole 2110, and the positioning protrusion 1110 passes through the positioning hole 2110 and is in positioning fit with the positioning hole 2110. Thus, when the fixing unit 200 is installed, the fixing unit 200 can be sleeved on the positioning protrusion 1110 through the positioning hole 2110, so that the fixing unit 200 and the installation part 111 are positioned, and then the fixing unit 200 and the installation part 111 are welded and/or bonded, so that the installation accuracy can be improved.

Specifically, the positioning hole 2110 is disposed on the fixing portion 211, and the positioning protrusion 1110 is disposed on the inner wall of the back plate 110.

As shown in fig. 2 and 4, in one embodiment, the liner assembly further includes a limiting plate 330, the limiting plate 330 is provided with a first via hole and a second via hole which are arranged at intervals, the liner 100 is provided with a third via hole 113 corresponding to the first via hole and a fourth via hole 114 corresponding to the second via hole, the heating element 300 includes a first connecting end 311 and a second connecting end 321, the first connecting end 311 is disposed through the first via hole and the third via hole 113, the second connecting end 321 is disposed through the second via hole and the fourth via hole 114, and the limiting plate 330 is fixedly connected to the liner 100. The fixing of the end of the heating element 300 can be realized by the limiting piece 330, and the fixing effect is further improved.

Specifically, the heating element 300 is a heating tube, two ends of the heating tube are a first connection end 311 and a second connection end 321, the first connection end 311 and the second connection end 321 are used for electrically connecting with a power supply, and the heating element 300 heats by supplying power to the power supply. The heating element 300 and the limiting piece 330 are disposed in the inner cavity 112, the first connecting end 311 sequentially passes through the first through hole and the third through hole 113, and the second connecting end 321 sequentially passes through the second through hole and the fourth through hole 114. Thus, the first connection terminal 311 and the second connection terminal 321 can pass from the inside of the inner container 100 to the outside of the inner container 100, so as to perform wiring for connecting an external power source.

As shown in fig. 2, 4 and 9, the inner container assembly further includes a first fastening member 340, the limiting piece 330 is further provided with a first assembling hole 331, the inner container 100 is provided with a fourth assembling hole 420 opposite to the second assembling hole 115, and the first fastening member 340 is inserted into the first assembling hole 331 and the second assembling hole 115 to fix the limiting member and the inner container 100.

Specifically, the first fastening member 340 is a stud, the first assembly hole 331 and the second assembly hole 115 are through holes, and the first fastening member 340 is fixed by a nut after penetrating through the first assembly hole 331 and the second assembly hole 115. In other embodiments, the first fastening member 340 is a screw, the first mounting hole 331 is a through hole, the second mounting hole 115 is a threaded hole, and the first fastening member 340 is sequentially inserted into the first mounting hole 331 and the second mounting hole 115, and is in threaded connection with the second mounting hole 115.

As shown in fig. 1, in one embodiment, the inner container assembly further includes a wind shield 400, the fixing unit 200 and the heating element 300 are both located in the inner cavity 112 of the inner container 100, and the wind shield 400 is located in the inner cavity 112 and covers the fixing unit 200 and the heating element 300. The fan housing 400 can cover the heating element 300 and divide the inner cavity 112 into a mounting cavity in which the heating element 300 and the fixing unit 200 are located and a placing cavity for placing an object to be heated, and the heating element 300 can transfer heat to the placing cavity when heating so as to heat the object to be heated in the placing cavity.

As shown in fig. 1 and 4, specifically, the fan housing 400 has a vent hole 410, the inner container 100 is fixed with a fan 500, a fan blade 510 of the fan 500 is located in the fan housing 400, and the fan 500 can discharge heat emitted from the heating element 300 to the inner cavity 112 through the vent hole 410 to heat an object to be heated.

Further, the fan housing 400 is matched with the inner wall of the inner container 100 to form a mounting cavity, the fan blades 510 are located in the mounting cavity, and the fixing frame is supported on the fan housing 400, so that the fan housing 400 and the fan blades 510 are spaced apart. Therefore, the fan blade 510 is prevented from directly contacting the fan housing 400, and the use of the fan blade 510 is prevented from being affected.

As shown in fig. 1, in one embodiment, the heating element 300 is fixedly disposed on the fixing unit 200 and is matched with the fixing unit 200 to form a heating unit, the fan housing 400 is matched with the inner wall of the inner container 100 to form at least two mounting cavities, and the at least two heating units are disposed in the at least two mounting cavities in a one-to-one correspondence manner. Through installing two at least units that generate heat in two at least installation cavities one-to-one, can make to enter into and put the heat of thing intracavity more even for the speed of cooking.

Specifically, a protrusion is formed inward in the middle of the back plate 110, the protrusion divides the back plate 110 into an upper portion and a lower portion or a left portion and a right portion, the wind cover 400 covers the back plate 110, the middle of the wind cover 400 abuts against the protrusion, so that the wind cover 400 and the back plate 110 are matched to form two installation cavities, and the two installation cavities are internally provided with fan blades 510 and a heating unit.

As shown in fig. 1, the fan cover 400 is fixedly connected to the fixing unit 200, and the fixing unit 200 has a function of fixing the heating element 300 and the fan cover 400 at the same time.

As shown in fig. 3 and 5, the fixing frame 210 further includes a fan cover mounting portion 213, the fan cover mounting portion 213 is spaced apart from the inner wall of the inner container 100, the fan cover 400 is fixedly connected to the fan cover mounting portion 213, and the fan cover 400 is spaced apart from the heating element 300. After the fan housing 400 is installed, the heating element 300 is not in direct contact with the fan housing 400 under the action of the fixing unit 200, so that the heating uniformity is ensured.

As shown in fig. 7-10, more specifically, the fixing portion 211 is attached to the mounting portion 111, the limiting portion 212 is connected to the mounting portion 111 and extends in a direction away from the mounting portion 111, the wind shield mounting portion 213 is connected to an end of the limiting portion 212 away from the mounting portion 111, and the wind shield mounting portion 213 is arranged in parallel with the mounting portion 111 and spaced apart from the mounting portion 111. The fixing frame 210 plays a role of mounting not only the heating element 300 but also the wind shield 400.

Further, the inner container assembly further includes a second fastening member 430, the fan housing mounting portion 213 is provided with a third mounting hole 2130, the fan housing 400 is provided with a fourth mounting hole 420, and the second fastening member 430 is disposed through the third mounting hole 2130 and the fourth mounting hole 420, so as to fix the fixing frame 210 and the fan housing 400.

Optionally, the second fastening member 430 is a screw, the third assembly hole 2130 is a through hole, the fourth assembly hole 420 is a threaded hole, and the second fastening member 430 is sequentially inserted into the third assembly hole 2130 and the fourth assembly hole 420 and is in threaded connection with the fourth assembly hole 420.

As shown in fig. 4 to 7, the installation manner of the inner container assembly is as follows:

firstly, the fixing frame 210 is matched with the positioning bulge 1110 on the mounting part 111 in a positioning way, and then the fixing frame 210 is welded and/or bonded with the mounting part 111; then, the heating element 300 with the supporting member 220 mounted thereon is mounted on the fixing frame 210, and the limiting piece 330 and the inner container 100 are fixed together by the first fastening member 340; finally, the fan housing 400 covers the fixing frame 210 and the heating element 300, and the fan housing 400 and the fixing frame 210 are fixed by the second fastening member 430. In the above-mentioned liner assembly, the fixing frame 210 not only plays a role of installing the heating element 300, but also plays a role of installing the fan housing 400, and the above-mentioned liner assembly does not need to provide too many holes on the liner 100 to install the heating element 300, thus ensuring the sealing property.

As shown in fig. 1, an embodiment also relates to a cooking apparatus including the liner assembly as described above.

Wherein, the cooking device can be a steam box, an oven or a steaming and baking machine.

In the cooking device described above, the heating element 300 is fixed to the mounting portion 111 of the inner container 100 by the fixing unit 200, the mounting portion 111 is a portion completely separating the inner cavity 112 of the inner container 100 from the outside of the inner container 100, and the mounting portion 111 has no structure such as a hole or a passage for communicating the inner cavity 112 of the inner container 100 with the outside, so that the opening of the inner container 100 is reduced and the sealing property of the inner container 100 is ensured in the manner of fixing the heating element 300 by the fixing unit 200 as compared with the manner of directly fixing the heating element 300 to the inner container 100 by a bolt.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (22)

1. A liner assembly, comprising:

the inner container is of a hollow structure with an inner cavity, at least part of the inner container is used for forming an installation part, and the installation part completely separates the inner cavity from the outer part of the inner container;

the fixing unit is fixed on the mounting part and does not destroy the characteristic that the mounting part completely separates the inner cavity from the outer part of the inner container; and

and the heating body is fixed on the fixing unit.

2. The liner assembly according to claim 1, wherein the fixing unit includes a fixing frame, the heating element is fixed to the fixing frame, and the fixing frame is welded and/or bonded to the mounting portion.

3. The inner container assembly according to claim 2, wherein the fixing unit further comprises a supporting member engaging with the fixing frame in a limited manner, and the supporting member is supported by the heating element.

4. The liner assembly according to claim 3, wherein the fixing frame includes a fixing portion and a limiting portion connected to the fixing portion, the fixing portion is fixedly connected to the mounting portion, the limiting portion has a limiting opening, and the supporting member is inserted into the limiting opening and is in limiting engagement with a sidewall of the limiting opening.

5. The liner assembly of claim 4, wherein the fixing portion is attached to the mounting portion, the limiting portion extends in a direction away from the mounting portion, the limiting opening is a notch formed in a side edge of the limiting portion, and the supporting member penetrates through the limiting opening and makes at least part of the heating body and the liner spaced apart.

6. The liner assembly according to claim 5, wherein the side wall of the limiting opening includes a first limiting wall, the first limiting wall is in limiting fit with the supporting member and used for limiting the supporting member to move along a first direction, and a surface of the mounting portion, which is attached to the fixing portion, is parallel to the first direction.

7. The liner assembly of claim 6, wherein the sidewall of the stop opening further comprises a second stop wall, the second stop wall engaging the support member in a stop manner, the second stop wall configured to limit movement of the support member in a second direction toward or away from the mounting portion.

8. The liner assembly according to claim 7, wherein the two limiting portions are disposed opposite to each other at an interval, a limiting space is formed between the two limiting portions, the supporting member has a bending portion, the bending portion is disposed in the limiting space, and the two limiting portions are configured to limit the bending portion to move along a third direction, wherein the third direction, the second direction and the first direction are perpendicular to each other two by two.

9. The liner assembly according to claim 3, wherein the heating element includes a first tube segment, a second tube segment and a third tube segment, the first tube segment and the second tube segment are arranged in parallel and at an interval, two ends of the third tube segment are respectively connected with the first tube segment and the second tube segment, and two ends of the supporting element are respectively connected with the first tube segment and the second tube segment.

10. The liner assembly according to claim 1, further comprising a limiting piece, wherein the limiting piece is provided with a first via hole and a second via hole which are arranged at intervals, the liner is provided with a third via hole corresponding to the first via hole and a fourth via hole corresponding to the second via hole, the heating element comprises a first connecting end and a second connecting end, the first connecting end penetrates through the first via hole and the third via hole, the second connecting end penetrates through the second via hole and the fourth via hole, and the limiting piece is fixedly connected with the liner.

11. The liner assembly according to claim 10, further comprising a first fastening member, wherein the limiting piece is provided with a first assembling hole, the liner is provided with a second assembling hole opposite to the first assembling hole, and the first fastening member is inserted into the first assembling hole and the second assembling hole.

12. The liner assembly of claim 1, wherein the mounting portion is provided with a positioning protrusion, and the fixing unit is provided with a positioning hole, and the positioning protrusion passes through the positioning hole and is in positioning fit with the positioning hole.

13. The inner bag assembly according to any one of claims 1 to 12, wherein at least a portion of a wall of the inner chamber is used to form the mounting portion, the fixing unit is fixed to the mounting portion and located in the inner chamber, and the heating element is fixed to the fixing unit and located in the inner chamber.

14. The inner container assembly according to claim 13, further comprising a hood located in the inner cavity and covering the fixing unit and the heat generating body.

15. The liner assembly according to claim 14, wherein the heating element is fixedly disposed on the fixing unit and is matched with the fixing unit to form a heating unit, the fan housing is matched with an inner wall of the liner to form at least two mounting cavities, the number of the heating units is at least two, and the at least two heating units are disposed in the at least two mounting cavities in a one-to-one correspondence manner.

16. The liner assembly of claim 14, wherein the hood is fixedly connected to the stationary unit.

17. The liner assembly of claim 16, wherein the fixing unit includes a fixing frame, the fixing frame includes a fixing portion and a fan housing installation portion connected to the fixing portion, the fixing portion is fixedly connected to the installation portion, and the fan housing is fixedly connected to the fan housing installation portion.

18. The liner assembly of claim 17, wherein the hood mounting portion is spaced apart from an inner wall of the liner, the hood is fixedly connected to the hood mounting portion, and the hood is spaced apart from the heat generating body.

19. The inner container assembly according to claim 18, further comprising a second fastening member, wherein the fan housing mounting portion is provided with a third assembling hole, the fan housing is provided with a fourth assembling hole opposite to the third assembling hole, and the second fastening member is inserted into the third assembling hole and the fourth assembling hole.

20. The liner assembly as claimed in claim 17, wherein the fan housing is engaged with an inner wall of the liner to form a mounting cavity, and a fan blade is further disposed in the mounting cavity, and the fixing frame is supported by the fan housing and is spaced from the fan blade.

21. A cooking device, comprising: the liner assembly of any one of claims 1-20 above.

22. A steaming and baking machine, characterized by comprising: the liner assembly of any one of claims 1-20 above.

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