CN218355696U - Lid assembly and have its cooking utensil - Google Patents

Abstract

The utility model provides a lid subassembly and have its cooking utensil. Wherein, lid subassembly includes: a face cover having a viewable area; the inner cover is arranged below the face cover, and is provided with a vent hole through which a one-way valve penetrates; the air interchanger is arranged between the surface cover and the inner cover, and the first end of the air interchanger is communicated with the outside; the visual assembly is arranged between the surface cover and the inner cover and comprises a visual shell and a fan arranged in the visual shell, the visual shell is provided with a first overflowing hole and a second overflowing hole, the first overflowing hole is communicated with the air interchanger, and the visual shell is covered by the projection of a visual area on the inner cover; and the flow guide pipe is communicated with the second overflowing hole and the one-way valve. Use the technical scheme of the utility model the operating condition user that can solve the breather among the correlation technique is difficult for the problem of noticing.

Description

Lid assembly and have its cooking utensil

Technical Field

The utility model relates to a small household electrical appliances field particularly, relates to a lid subassembly and have its cooking utensil.

Background

The pressure cooking appliance operates on the principle of increasing the boiling point of water in the cooking chamber by increasing the pressure of air in the cooking chamber, thereby cooking food at a higher temperature.

Pressure cooking utensil need carry out the pressure release exhaust after the culinary art is accomplished and just can open the lid. Set up breather in cooking utensil in order to promote pressure cooking utensil's pressure release exhaust speed among the correlation technique, thereby make culinary art intracavity rapid cooling and discharge steam fast with the leading-in culinary art intracavity of external cold air through breather, perhaps directly take out the steam in the culinary art intracavity through breather in order to accelerate the carminative speed of pressure release.

But above-mentioned breather can't the perception at during operation user, leads to the user to have the risk of uncapping by mistake on the one hand. On the other hand, when the ventilation device is damaged, the user cannot easily perceive the damage, and the cooking effect of food is influenced by continuously using the cooking appliance.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide a lid subassembly and have its cooking utensil to solve the problem that breather's operating condition user among the correlation technique is difficult for noticing.

In order to achieve the above object, according to an aspect of the present invention, there is provided a cover assembly including: a face cover having a viewable area; the inner cover is arranged below the face cover, a vent hole is formed in the inner cover, and a one-way valve penetrates through the vent hole; the air interchanger is arranged between the surface cover and the inner cover, and the first end of the air interchanger is communicated with the outside; the visual assembly is arranged between the surface cover and the inner cover and comprises a visual shell and a fan arranged in the visual shell, the visual shell is provided with a first overflowing hole and a second overflowing hole, the first overflowing hole is communicated with the air interchanger, and the visual shell is covered by the projection of a visual area on the inner cover; and the flow guide pipe is communicated with the second overflowing hole and the one-way valve.

Use the technical scheme of the utility model, breather sets up between face lid and inner cup, and breather and visual subassembly intercommunication, visual subassembly pass through honeycomb duct and check valve intercommunication. The face cover is provided with a visual area, and a user can observe the rotation condition of the fan in the visual assembly through the visual area. When the air interchanger during operation, the air current that air interchanger produced can flow through visual subassembly to blow the fan and rotate, the condition that the fan rotated can see by the user through visual shell, thereby makes the user can judge that air interchanger is in operating condition through the rotation of fan. Correspondingly, when breather stop work, no air current passes through in the visual subassembly, and the fan can not rotate this moment, and the user can know that breather is in inoperative condition this moment. When a user finds that the cooking appliance is in the pressure relief and exhaust process but the fan does not rotate, the ventilation device can be judged to be possibly broken down, so that the cooking appliance can be maintained in time. Above-mentioned structure makes breather's operating condition show outward through visual subassembly to help the user to judge breather's operating condition fast, promoted user's use and experienced.

Furthermore, a color indicator is arranged on the fan. Above-mentioned structure more is favorable to the user to observe the rotation state of fan, and the rotational speed of fan is distinguished to the user of also being convenient for simultaneously, helps promoting user's use and experiences.

Furthermore, a color indication mark is arranged on the top wall of each fan blade; or the fan comprises an identification plate arranged at the top of the fan blade of the fan, and the color indication mark is arranged on the identification plate. The above structure makes it easier for a user to observe the rotation state of the fan.

Further, the inner cup includes the inside lining and rotationally sets up in the metal covering of inside lining below, and the air vent sets up on the metal covering, is provided with the slot hole of dodging the honeycomb duct on the inside lining. The structure can realize the rotation of the metal cover, thereby realizing the locking and unlocking of the cover body assembly and the cooker body.

Further, the visual shell comprises a base and a visual upper cover connected to the base, and a sealing piece is arranged between the base and the visual upper cover. Above-mentioned structure can promote the leakproofness of visual shell to reduce the loss of the air current that breather produced in flow path, increased the flow that gets into the air conditioning of culinary art intracavity, further promote the carminative efficiency of pressure release.

Further, the fan includes the pivot and sets up in the flabellum in the circumference outside of pivot, and the both ends protrusion in the flabellum setting of pivot, visual upper cover are provided with first spacing hole, are provided with the spacing hole of second on the base, and the first end of pivot stretches into first spacing downthehole, and the second end of pivot stretches into the spacing downthehole of second. The structure enables the assembly of the visual assembly to be simple and convenient.

Furthermore, the visual upper cover is provided with a first limiting ring, the inner hole of the first limiting ring forms a first limiting hole, the base is provided with a second limiting ring, the inner hole of the second limiting ring forms a second limiting hole, the rotating shaft comprises a first shaft section, a second shaft section arranged at the top end of the first shaft section and a third shaft section arranged at the bottom end of the first shaft section, the diameters of the third shaft section and the third shaft section are smaller than the diameter of the first shaft section, the fan blades are arranged on the circumferential outer side of the first shaft section, the second shaft section extends into the first limiting hole, the bottom wall of the first limiting ring is in line-surface contact fit with the first step surface between the first shaft section and the second shaft section, the third shaft section extends into the second limiting hole, and the top wall of the second limiting ring is in line-surface contact fit with the second step surface between the first shaft section and the third shaft section. The structure can effectively reduce the contact area between the fan and the first limiting ring and between the fan and the second limiting ring, thereby reducing the friction force received when the fan rotates and enabling the fan to rotate more smoothly.

Further, the visual upper cover comprises an upper cover body and an annular convex edge arranged in the circumferential direction of the upper cover body, the first overflowing hole and the second overflowing hole are arranged on the upper cover body, the sealing element is a sealing ring, an annular groove for accommodating the sealing ring is arranged on the annular convex edge and/or the base, and the depth of the annular groove is smaller than the thickness of the sealing ring. Above-mentioned structure can further promote the sealed effect of visual shell, reduces the flow loss of the air current that breather produced.

Furthermore, visual upper cover includes the roof, sets up in the bounding wall of the circumferential direction of roof and sets up in the protruding edge of the annular of the circumferential direction of bounding wall, and first spacing ring sets up on the roof, and first overflowing hole and second overflowing hole set up on the bounding wall. Above-mentioned structure makes the flow direction of gas and the axis of fan have the contained angle to make the flabellum of fan be changeed and blown, thereby promoted fan pivoted sensitivity.

Further, the axis of the fan extends in a vertical direction; the axis of the first overflowing hole and the axis of the second overflowing hole are overlapped, and the axis of the first overflowing hole deviates from the axis of the fan; or the axis of the first overflowing hole and the axis of the second overflowing hole are arranged in parallel, and the axis of the fan is positioned between the axis of the first overflowing hole and the axis of the second overflowing hole; alternatively, the axis of the first overflowing hole and the axis of the second overflowing hole are intersected. The structure enables the airflow entering from the first overflowing hole to blow the fan blade of the fan, so that the moment of force for pushing the fan to rotate is increased, and the rotation sensitivity of the fan is improved.

Furthermore, the first overflowing hole is an air inlet hole, and the height of the fan is larger than or equal to the diameter of the first overflowing hole; and/or the first overflowing hole is at least partially overlapped with the fan blade of the fan in the vertical direction. The structure can increase the contact area between the airflow entering from the first overflowing hole and the fan blade of the fan, so that the fan is easier to be blown, and the rotation sensitivity of the fan is further improved.

Furthermore, a magnetic structure is arranged on fan blades of the fan, a magnetic switch is arranged on the side portion of the visual assembly, the cover body assembly further comprises an indicator lamp arranged on the face cover, and the magnetic switch is induced by the magnetic structure and controls the indicator lamp to be on or off. In the above structure, when the fan rotates, the magnetic structure can be continuously changed at the position close to the magnetic switch and the position far away from the magnetic switch, so that the user can judge the working state of the ventilation device through the on-off state of the indicator light.

According to another aspect of the present invention, there is provided a cooking appliance, including: a pot body; the cover body assembly is arranged on the cooker body and is the cover body assembly. In the structure, the cover body assembly has the advantage of improving the use experience of a user, so that the cooking appliance with the cover body assembly also has the advantage.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a top view of an embodiment of a cover assembly according to the present invention;

FIG. 2 is an exploded view of the visual components of the cover assembly of FIG. 1;

fig. 3 shows a perspective view of the visual assembly of fig. 2.

FIG. 4 shows a cross-sectional view of the visual assembly of FIG. 3;

FIG. 5 shows a top view of the first embodiment of the visual component of FIG. 3;

FIG. 6 shows a top view of a second embodiment of the visual component of FIG. 3;

FIG. 7 shows a top view of a third embodiment of the visual component of FIG. 3;

FIG. 8 shows a top view of a fourth embodiment of the visual component of FIG. 3;

FIG. 9 shows a top view of a first embodiment of a fan of the visual assembly of FIG. 2;

fig. 10 shows a schematic perspective view of a second embodiment of a fan of the visual assembly of fig. 2;

fig. 11 shows a schematic perspective view of a partial structure of an embodiment of a cooking appliance according to the present invention;

fig. 12 shows an enlarged schematic structure at a of the cooking appliance of fig. 11;

fig. 13 shows a cross-sectional view of the cooking appliance of fig. 11;

fig. 14 shows an enlarged structural schematic view at B of the cooking appliance of fig. 13.

Wherein the figures include the following reference numerals:

10. a face cover; 11. a visible area; 12. an indicator light; 20. an inner cover; 21. a liner; 211. avoiding the long hole; 22. a metal cover; 221. a vent hole; 30. a ventilation device; 40. a visual component; 41. a visible housing; 411. a base; 4111. a second stop collar; 412. a visible upper cover; 4121. an upper cover body; 4122. an annular convex edge; 4123. a top plate; 4124. enclosing plates; 4125. a first limit ring; 413. a seal member; 414. a magnetic structure; 42. a fan; 421. a rotating shaft; 4211. a first shaft section; 4212. a second shaft section; 4213. a third shaft section; 4214. a first step surface; 4215. a second step surface; 4216. a first overflow aperture; 4217. a second overflowing hole; 422. a fan blade; 423. a color indicator; 424. a marking plate; 50. a flow guide pipe; 60. a one-way valve; 61. a valve seat; 62. a valve core; 63. an elastic member; 70. a pot body; 80. a cover assembly; 90. a magnetic switch.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of parts and steps, numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

As shown in fig. 1, 2 and 12, the cover assembly of the present embodiment includes: the face cover 10, the inner cover 20, the ventilator 30, the visual component 40, and the delivery tube 50. Wherein, the face cover 10 is provided with a visible area 11; the inner cover 20 is arranged below the face cover 10, the inner cover 20 is provided with a vent hole 221, and a one-way valve 60 penetrates through the vent hole 221; the ventilator 30 is arranged between the face cover 10 and the inner cover 20, and a first end of the ventilator 30 is communicated with the outside; the visual assembly 40 is arranged between the face cover 10 and the inner cover 20, the visual assembly 40 comprises a visual housing 41 and a fan 42 arranged in the visual housing 41, a first overflowing hole 4216 and a second overflowing hole 4217 are arranged on the visual housing 41, the first overflowing hole 4216 is communicated with the ventilation device 30, and the projection of the visual area 11 on the inner cover 20 covers the visual housing 41; the delivery tube 50 communicates the second overflow aperture 4217 with the check valve 60.

Use the technical scheme of the utility model, breather 30 sets up between face lid 10 and inner cup 20, and breather 30 and visual subassembly 40 intercommunication, visual subassembly 40 pass through honeycomb duct 50 and check valve 60 intercommunication. The front cover 10 has a viewing area 11, and a user can observe the rotation of the fan 42 in the visual module 40 through the viewing area 11. When the ventilation device 30 is in operation, the airflow generated by the ventilation device 30 can flow through the visual component 40, so that the blowing fan 42 rotates, and the rotation of the blowing fan 42 can be seen by the user through the visual shell 41, so that the user can judge that the ventilation device 30 is in the working state through the rotation of the blowing fan 42. Accordingly, when the ventilator 30 stops operating, no air flows through the visual element 40, the fan 42 does not rotate, and the user can know that the ventilator 30 is in the non-operating state. When the user finds that the cooking appliance is in the process of pressure relief and air exhaust but the fan 42 is not rotated, the user can judge that the ventilation device 30 possibly breaks down, so that the cooking appliance can be maintained in time. Above-mentioned structure makes breather 30's operating condition show outward through visual subassembly 40 to help the user to judge breather 30's operating condition fast, promoted user's use and experienced.

The ventilation device 30 may be an air pump or a vacuum pump. In this embodiment, the ventilator 30 is an air pump, and the air flow enters the visual component 40 from the ventilator 30, then enters the duct 50 through the visual component 40, and finally enters the cooking cavity through the one-way valve 60. The check valve 60 is normally in a closed state, and when pressure cooking is performed in the cooking cavity, gas cannot flow out from the check valve 60, and when the ventilation device 30 works, the check valve 60 can be opened, so that the gas can enter the cooking cavity.

Specifically, as shown in fig. 4, the check valve 60 includes a valve seat 61 and a valve element 62, an overflowing hole is provided in the valve seat 61, the valve element 62 is movably disposed in the overflowing hole and has a blocking position for blocking the overflowing hole and an open position for opening the overflowing hole, the valve element 62 is connected with the valve seat 61 through an elastic member 63, and the elastic member 63 always applies a pulling force to the valve element 62 to keep the valve element at the blocking position. When the ventilator 30 is operated, the external air flows into the through-hole through the flow guide tube 50, the valve core 62 is pushed open, the valve core is moved to the open position, and the external air can enter the cooking cavity.

It should be noted that, the user can judge the flow rate of the air flow generated by the ventilation device 30 according to the rotation speed of the fan 42, and when the user finds that the rotation speed of the fan 42 is obviously reduced in the pressure relief and air exhaust process compared with the previous use, the user can also timely maintain the cooking appliance. The surface cover 10 may be provided with a visible hole, the visible component 40 is inserted into the visible hole, and the visible hole forms the visible area 11. Of course, a viewing plate may be provided on the cover 10, and the viewing assembly 40 is located below the viewing plate.

As shown in fig. 10 and 11, in the present embodiment, a color indicator 423 is provided on the fan 42. In the above structure, the color indication mark 423 is provided on the fan 42, which is more beneficial for the user to observe the rotation state of the fan 42, and meanwhile, the user can distinguish the rotation speed of the fan 42, which is beneficial for improving the user experience.

It should be noted that the color indicator 423 may be a single color or a plurality of colors. A color that is more conspicuous and contrasts with the color of the fan 42 itself may be selected as the color indicator 423. The color indicator 423 may be formed by spraying, or the color indicator 423 may be a colored sticker or silk screen, etc.

Specifically, as shown in fig. 10, in the present embodiment, a color indicator 423 is disposed on a top wall of a blade 422 of each fan 42. In the above structure, when the fan 42 rotates, the color indicator 423 on each fan blade 422 forms a circular ring structure visually, so that the user can observe the rotation state of the fan 42 more easily.

It should be noted that only one color indicator 423 may be disposed on each fan blade 422, and the color indicators 423 on each fan blade 422 may be distributed on the same circumference or may be distributed on different circumferences. The color indicator 423 on each blade 422 may be the same or different. A plurality of color indicators 423 may also be provided on each blade 422.

Alternatively, as shown in fig. 11, in other embodiments, the fan 42 includes a label plate 424 disposed on top of the blades 422 of the fan 42, and the color indicator 423 is disposed on the label plate 424. The above structure also makes it easier for the user to observe the rotation state of the fan 42. The logo plate 424 may be patterned to enhance the aesthetic appearance of the cover assembly.

As shown in fig. 12 and 13, in the present embodiment, the inner lid 20 includes a liner 21 and a metal lid 22 rotatably disposed below the liner 21, the vent hole 221 is provided in the metal lid 22, and the liner 21 is provided with the escape long hole 211 of the escape guide pipe 50. In the above structure, the metal cover 22 is provided with the cover teeth, and the metal cover 22 rotates to lock and unlock the cover assembly and the cooker body. Since the ventilator 30 needs to communicate with the cooking cavity, the duct 50 needs to pass through the long escape hole 211 of the liner 21 to communicate with the vent hole 221, the duct 50 is a flexible tube or a telescopic tube, and when the metal cover 22 rotates, the duct 50 is pulled along with the rotation of the metal cover 22, so that the duct 50 and the vent hole 221 are not separated. The above structure can realize the rotation of the metal cover 22, thereby realizing the locking and unlocking of the cover body assembly and the cooker body.

As shown in fig. 2 to 4, in the present embodiment, the visual casing 41 includes a base 411 and a visual upper cover 412 connected to the base 411, and a sealing member 413 is provided between the base 411 and the visual upper cover 412. The structure can improve the sealing performance of the visible shell 41, thereby reducing the loss of air flow generated by the air interchanger 30 in a flow path, increasing the flow of cold air entering the cooking cavity and further improving the efficiency of pressure relief and exhaust.

It should be noted that the visible shell 41 is made of transparent or translucent material, and the material may be AS, PC, PP, ABS, PE, acrylic, etc.

As shown in fig. 4, 9 and 10, in this embodiment, the fan 42 includes a rotating shaft 421 and fan blades 422 disposed at the circumferential outer side of the rotating shaft 421, two ends of the rotating shaft 421 protrude from the fan blades 422, the visual upper cover 412 is provided with a first limiting hole, the base 411 is provided with a second limiting hole, a first end of the rotating shaft 421 extends into the first limiting hole, and a second end of the rotating shaft 421 extends into the second limiting hole. In the structure, the first limiting hole is formed in the visual upper cover 412, the second limiting hole is formed in the base 411, and the fan 42 can be fixed when the visual upper cover 412 and the base 411 are connected, so that the visual component 40 is simple and convenient to assemble.

As shown in fig. 4, in the present embodiment, a first limiting ring 4125 is disposed on the visible upper cover 412, a first limiting hole is formed in an inner hole of the first limiting ring 4125, a second limiting ring 4111 is disposed on the base 411, a second limiting hole is formed in an inner hole of the second limiting ring 4111, the rotating shaft 421 includes a first shaft segment 4211, a second shaft segment 4212 disposed at a top end of the first shaft segment 4211, and a third shaft segment 4213 disposed at a bottom end of the first shaft segment 4211, diameters of the third shaft segment 4213 and the third shaft segment 4213 are both smaller than a diameter of the first shaft segment 4211, the fan blades 422 are disposed at a circumferential outer side of the first shaft segment 4211, the second shaft segment 4212 extends into the first limiting hole, a bottom wall of the first limiting ring 4125 is in surface contact with a first step surface 4214 between the first shaft segment 4211 and the second shaft segment 4212, the first shaft segment 4213 extends into the second limiting hole, and a top wall of the second limiting ring 4111 is in surface contact with a second step surface 4215 between the first shaft segment 4211 and the second shaft segment 4213.

In the above structure, the bottom wall of the first limiting ring 4125 is in line-surface contact fit with the first step surface 4214 of the rotating shaft 421, and the top wall of the second limiting ring 4111 is in line-surface contact fit with the second step surface 4215 of the rotating shaft 421, so that the contact area between the fan 42 and the first limiting ring and the contact area between the fan 42 and the second limiting ring are effectively reduced, and therefore the friction force received when the fan rotates is reduced, and the fan 42 rotates more smoothly. In addition, the first limiting ring 4125 on the visible upper cover 412 and the second limiting ring 4111 on the base 411 can improve the limiting effect on the fan 42, so that the fan 42 can rotate more stably.

As shown in fig. 4, in the present embodiment, the visible upper cover 412 includes an upper cover body 4121 and an annular convex edge 4122 disposed in a circumferential direction of the upper cover body 4121, the first overflowing hole 4216 and the second overflowing hole 4217 are disposed on the upper cover body 4121, the sealing element 413 is a sealing ring, and an annular groove for accommodating the sealing ring is disposed on the annular convex edge 4122 and/or the base 411, and a depth of the annular groove is smaller than a thickness of the sealing ring. The structure can further improve the sealing effect of the visible shell 41 and reduce the flow loss of the airflow generated by the ventilation device 30. It should be noted that the visible upper cover 412 and the base 411 are fastened and connected by screws, and the screws are inserted through the annular flange 4122 and the base 411.

As shown in fig. 7, in the present embodiment, the visible upper cover 412 includes a top plate 4123, an enclosure 4124 provided in a circumferential direction of the top plate 4123, and an annular flange 4122 provided in the circumferential direction of the enclosure 4124, the first stopper ring 4125 is provided on the top plate 4123, and the first overflowing hole 4216 and the second overflowing hole 4217 are provided on the enclosure 4124. In the above structure, the top plate 4123 and the shroud 4124 enclose an accommodating space, and the fan 42 is disposed in the accommodating space and is limited between the top plate 4123 and the base 411. The fan 42 is arranged in the vertical direction, the shroud 4124 is provided with a first overflowing hole 4216 and a second overflowing hole 4217, and the flowing direction of the air and the axis of the fan 42 are inclined by the structure, so that the fan blades 422 of the fan 42 are blown more easily, and the rotation sensitivity of the fan 42 is improved.

As shown in fig. 8, if the axis of the first overflowing hole 4216, the axis of the second overflowing hole 4217 and the axis of the rotating shaft 421 of the fan 42 are arranged to coincide, the airflow entering from the first overflowing hole 4216 directly impacts the rotating shaft 421 of the fan 42, so that the moment of the force pushing the fan 42 to rotate is small, and the sensitivity of the rotation of the fan 42 is reduced. To solve the above problem, in the present embodiment, the axis of the fan 42 extends in the vertical direction; the axis of the first overflowing hole 4216 and the axis of the second overflowing hole 4217 are arranged in a coincident manner, and the axis of the first overflowing hole 4216 is offset from the axis of the fan 42. The above structure enables the air flow entering from the first overflowing hole 4216 to blow the fan blade 422 of the fan 42, thereby increasing the moment of force for pushing the fan to rotate and improving the rotation sensitivity of the fan 42.

Alternatively, in the other two embodiments shown in fig. 5 and 6, the axis of the first overflowing hole 4216 and the axis of the second overflowing hole 4217 are arranged in parallel, and the axis of the fan 42 is located between the axis of the first overflowing hole 4216 and the axis of the second overflowing hole 4217. Wherein, in the embodiment shown in fig. 5, the first overflowing hole 4216 and the second overflowing hole 4217 are positioned at both sides of the fan, and in the embodiment shown in fig. 6, the first overflowing hole 4216 and the second overflowing hole 4217 are positioned at the same side of the fan. The above structure can also increase the moment of the force pushing the fan to rotate, and improve the sensitivity of the rotation of the fan 42.

Alternatively, in another embodiment as shown in FIG. 7, the axis of first flowbore 4216 intersects the axis of second flowbore 4217.

As shown in fig. 4, in the present embodiment, the first overflowing hole 4216 is an air intake hole, and the height of the fan 42 is greater than or equal to the diameter of the first overflowing hole 4216. The above structure can increase the contact area between the fan blades 422 and the air flow, thereby further improving the rotation sensitivity of the fan 42.

As shown in fig. 4, in the present embodiment, the first overflowing hole 4216 is at least partially overlapped with the fan blade 422 of the fan 42 in the vertical direction. The above structure can increase the contact area between the air flow entering from the first overflowing hole 4216 and the fan blade 422 of the fan 42, so that the fan 42 can be more easily blown, thereby further improving the rotation sensitivity of the fan 42.

As shown in fig. 4, in the present embodiment, a magnetic structure 414 is disposed on a blade 422 of the fan 42, a magnetic switch 90 is disposed on a side portion of the visual component 40, the cover component further includes an indicator 12 disposed on the face cover 10, and the magnetic switch 90 senses the magnetic structure 414 and controls on and off of the indicator 12. In the above structure, when the fan 42 rotates, the magnetic structure 414 is continuously changed between the position close to the magnetic switch 90 and the position far from the magnetic switch 90, so that the user can also determine the operating state of the ventilation device 30 by the on/off state of the indicator light 12. Specifically, when the magnetic structure 414 is proximate to the magnetic switch 90, the magnetic switch 90 is on and the indicator light 12 may be in an illuminated state; when the magnetic structure 414 is away from the magnetic switch 90, the magnetic switch 90 is open and the indicator light 12 may be in an off state.

It should be noted that the magnetic structure 414 can be a magnet, and the magnetic switch 90 can be a reed switch.

As shown in fig. 11, 13 and 14, the present application further provides a cooking appliance, an embodiment of the cooking appliance of the present application includes: the pot body 70 and the lid assembly 80, the lid assembly 80 is disposed on the pot body 70, and the lid assembly 80 is the above lid assembly. In the above structure, since the cover assembly 80 has an advantage of improving user experience, the cooking appliance having the same also has the above advantage.

In this embodiment, the cooking appliance may be an electric pressure cooker, an electric rice cooker, a soymilk maker, a food processor, an electric stewpan, a cooker, a multifunctional pot, or the like.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

For ease of description, spatially relative terms such as "over … …", "over … …", "over … …", "over", etc. may be used herein to describe the spatial positional relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms do not have special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (13)

1. A cover assembly, comprising:

a surface cover (10) having a visible area (11);

the inner cover (20) is arranged below the face cover (10), a vent hole (221) is formed in the inner cover (20), and a one-way valve (60) penetrates through the vent hole (221);

the air interchanger (30) is arranged between the face cover (10) and the inner cover (20), and a first end of the air interchanger (30) is communicated with the outside;

a visual assembly (40) arranged between the face cover (10) and the inner cover (20), wherein the visual assembly (40) comprises a visual shell (41) and a fan (42) arranged in the visual shell (41), a first overflowing hole (4216) and a second overflowing hole (4217) are arranged on the visual shell (41), the first overflowing hole (4216) is communicated with the ventilation device (30), and the projection of the visual area (11) on the inner cover (20) covers the visual shell (41);

and the guide pipe (50) is communicated with the second overflowing hole (4217) and the one-way valve (60).

2. The cover assembly of claim 1, wherein a color indicator (423) is provided on the fan (42).

3. The cover assembly of claim 2,

a color indicator (423) is arranged on the top wall of the fan blade (422) of each fan (42); or

The fan (42) comprises an identification plate (424) arranged on the top of fan blades (422) of the fan (42), and the color indication mark (423) is arranged on the identification plate (424).

4. The cover assembly according to claim 1, wherein the inner cover (20) comprises an inner liner (21) and a metal cover (22) rotatably disposed below the inner liner (21), the vent hole (221) is disposed on the metal cover (22), and an escape long hole (211) for escaping the draft tube (50) is disposed on the inner liner (21).

5. The cover assembly according to claim 1, wherein the visual housing (41) comprises a base (411) and a visual upper cover (412) connected to the base (411), a seal (413) being provided between the base (411) and the visual upper cover (412).

6. The cover assembly according to claim 5, wherein the fan (42) includes a rotating shaft (421) and fan blades (422) disposed at the circumferential outer side of the rotating shaft (421), two ends of the rotating shaft (421) protrude from the fan blades (422), the visible upper cover (412) is provided with a first limiting hole, the base (411) is provided with a second limiting hole, a first end of the rotating shaft (421) extends into the first limiting hole, and a second end of the rotating shaft (421) extends into the second limiting hole.

7. The cover assembly according to claim 6, wherein a first limiting ring (4125) is disposed on the visible upper cover (412), an inner hole of the first limiting ring (4125) forms the first limiting hole, a second limiting ring (4111) is disposed on the base (411), an inner hole of the second limiting ring (4111) forms the second limiting hole, the rotating shaft (421) comprises a first shaft section (4211), a second shaft section (4212) disposed at a top end of the first shaft section (4211), and a third shaft section (4213) disposed at a bottom end of the first shaft section (4211), diameters of the third shaft section (4213) and the third shaft section (4213) are smaller than a diameter of the first shaft section (4211), and the fan blade (422) is disposed at a circumferential outer side of the first shaft section (4211),

the second shaft section (4212) extends into the first limit hole, the bottom wall of the first limit ring (4125) is in line-surface contact fit with a first step surface (4214) between the first shaft section (4211) and the second shaft section (4212),

the third shaft section (4213) extends into the second limit hole, and the top wall of the second limit ring (4111) is in line-surface contact fit with a second step surface (4215) between the first shaft section (4211) and the third shaft section (4213).

8. The cover body assembly according to claim 5, wherein the visual upper cover (412) comprises an upper cover body (4121) and an annular convex edge (4122) arranged in the circumferential direction of the upper cover body (4121), the first overflowing hole (4216) and the second overflowing hole (4217) are arranged on the upper cover body (4121), the sealing element (413) is a sealing ring, an annular groove for accommodating the sealing ring is arranged on the annular convex edge (4122) and/or the base (411), and the depth of the annular groove is smaller than the thickness of the sealing ring.

9. The cover assembly of claim 7, wherein the visual top cover (412) comprises a top plate (4123), a shroud plate (4124) disposed in a circumferential direction of the top plate (4123), and an annular ledge (4122) disposed in a circumferential direction of the shroud plate (4124), the first retaining ring (4125) is disposed on the top plate (4123), and the first and second overflow apertures (4216, 4217) are disposed on the shroud plate (4124).

10. Cover assembly according to claim 9, characterized in that the axis of the fan (42) extends in a vertical direction;

the axis of the first overflowing hole (4216) and the axis of the second overflowing hole (4217) are arranged in a coincident mode, and the axis of the first overflowing hole (4216) is offset from the axis of the fan (42); or

The axis of the first overflowing hole (4216) and the axis of the second overflowing hole (4217) are arranged in parallel, and the axis of the fan (42) is located between the axis of the first overflowing hole (4216) and the axis of the second overflowing hole (4217); or

The axis of the first overflowing hole (4216) is intersected with the axis of the second overflowing hole (4217).

11. The cover assembly of claim 7,

the first overflowing hole (4216) is an air inlet hole, and the height of the fan (42) is larger than or equal to the diameter of the first overflowing hole (4216); and/or the presence of a gas in the gas,

the first overflowing hole (4216) is at least partially overlapped with a fan blade (422) of the fan (42) in the vertical direction.

12. The cover assembly of claim 1, wherein a magnetic structure (414) is disposed on a fan blade (422) of the fan (42), a magnetic switch (90) is disposed on a side portion of the visual assembly (40), and the cover assembly further comprises an indicator light (12) disposed on the face cover (10), wherein the magnetic switch (90) is sensitive to the magnetic structure (414) and controls on and off of the indicator light (12).

13. A cooking appliance, comprising:

a pot body (70);

a lid assembly (80) disposed on the pot body (70), the lid assembly (80) being the lid assembly of any one of claims 1 to 12.

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