Cooking equipment

Abstract

The cooking equipment comprises a cooker body and a cooker cover, the cooker body comprises a shell, the shell extends inwards to form a first turnup portion, the first turnup portion forms an installation opening in a surrounding mode, a first step portion is arranged on the first turnup portion, an installation groove is formed in an installation frame, a second step portion and a limiting portion are arranged on the outer wall of the installation frame, and the second step portion and the limiting portion are arranged on the outer wall of the installation frame. The first step part abuts against the second step part in a matched mode, the limiting part is configured to limit separation of the first step part and the second step part so that the installation frame can be arranged at the installation opening, the key part is arranged in the installation groove, and the key part is configured to move towards the inner side of the installation groove so as to open the cooker cover. Buckling position connection between the cooker body and the mounting frame is omitted, smoothness of the inner wall of the mounting frame is achieved, the movement reliability of the key is improved, and external foreign matter is prevented from entering the cooker body through the mounting frame.

Description

Technical Field

[0001] The utility model relates to the technical field of household appliances, in particular to a cooking device. Background Art

[0002] A cooking device, such as a rice cooker, includes a cooker body and a cooker lid. An inner pot is arranged in the cooker body, a cooking cavity is formed in the inner pot, and the cooker lid is used to close or open the cooking cavity. A button is arranged on the cooker body, and the lid opening is realized by pressing the button.

[0003] An installation frame is arranged on the cooker body, an installation groove is formed in the installation frame, and the button is arranged in the installation groove. The installation frame and the cooker body are fixedly connected through a buckling position formed by a buckle and a bayonet. When the button is pressed inwardly into the installation groove, the buckling position is exposed, and foreign matters from the outside can easily enter the interior of the cooker body through the buckling position. Moreover, the buckling position causes the side wall of the installation groove not to be a flat wall, which easily causes the button to get stuck during movement.

[0004] The above information disclosed in this background art is only used to increase the understanding of the background art of the present application. Therefore, it may include prior art that is not known to those of ordinary skill in the art. Summary of the Invention

[0005] Aiming at the problems pointed out in the background art, the utility model provides a cooking device, which improves the connection structure between the cooker body and the installation frame, cancels the buckling connection between the cooker body and the installation frame, realizes the flatness of the inner wall of the installation frame, improves the movement reliability of the button, and prevents foreign matters from entering the interior of the cooker body through the installation frame.

[0006] To achieve the above-mentioned utility model purpose, the utility model adopts the following technical solutions:

[0007] In some embodiments, a cooking device is provided, including:

[0008] A cooker body, with a cooking cavity formed inside;

[0009] A cooker lid, connected to the cooker body, and configured to close or open the cooking cavity;

[0010] The cooker body includes:

[0011] A housing;

[0012] A first flanging portion, extending from the housing to one side of the housing, the first flanging portion enclosing an installation opening, and a first step portion is arranged on the first flanging portion;

[0013] The mounting frame is formed with a mounting groove. A second step portion and a limiting portion are provided on the outer wall of the mounting frame. The first step portion abuts against the second step portion in a matching manner, and the limiting portion is configured to limit the separation of the first step portion from the second step portion so that the mounting frame is arranged at the mounting opening.

[0014] The button portion is arranged in the mounting groove and is configured to move towards the inner side of the mounting groove to open the pot lid.

[0015] In some embodiments, the mounting frame includes a bottom wall and four circumferential walls. The bottom wall and the four circumferential walls enclose the mounting groove. A second flanging portion is provided at the edge of the circumferential wall, and the second step portion is formed on the second flanging portion. The limiting portion is provided on each circumferential wall.

[0016] In some embodiments, the first step portion includes a first extension section, a second extension section, and a third extension section. The second extension section is connected between the first extension section and the third extension section. The first extension section extends from the housing towards the inner side of the housing. The second extension section extends towards the axis of the mounting opening. The third extension section extends towards the inner side of the housing.

[0017] The second step portion includes a first step surface and a second step surface. The first step surface abuts against the first extension section, and the second step surface abuts against the second extension section.

[0018] There is a distance between the limiting portion and the second step surface. The third extension section abuts against the circumferential wall within this distance, and the limiting portion abuts against the third extension section.

[0019] In some embodiments, the button portion includes a button body portion and a decoration portion. The button body portion is arranged on the mounting frame, and the decoration portion is arranged on the button body portion.

[0020] In some embodiments, a first mounting surface and a second mounting surface are provided on the button body portion. The second mounting surface surrounds the first mounting surface, and the first mounting surface and the second mounting surface are arc-transitionally connected.

[0021] The decoration portion includes a third mounting surface and a fourth mounting surface. The fourth mounting surface surrounds the third mounting surface, and the third mounting surface and the fourth mounting surface are arc-transitionally connected.

[0022] The first mounting surface is connected to the third mounting surface, and the second mounting surface is connected to the fourth mounting surface.

[0023] In some embodiments, a first positioning portion is provided on the main body portion of the button, a second positioning portion is provided on the decorative portion, and the first positioning portion is connected to the second positioning portion.

[0024] In some embodiments, the decorative portion is adhesively fixed to the main body portion of the button.

[0025] In some embodiments, IMD treatment is performed at the connection between the decorative portion and the main body portion of the button.

[0026] In some embodiments, a first opening and a second opening are provided on the bottom wall, and a limiting notch is provided on the peripheral wall of the first opening;

[0027] A first connecting portion and a second connecting portion are provided on the button portion, a limiting rib is provided on the peripheral wall of the first connecting portion, and a limiting hook is provided on the second connecting portion;

[0028] The first connecting portion is inserted into the first opening, and the limiting rib is located in the limiting notch;

[0029] The second connecting portion is inserted into the second opening, and the limiting hook is configured to limit the decorative portion from detaching from the mounting groove;

[0030] The cooking pot body includes a transmission portion, a first fastening portion is provided on the transmission portion, a second fastening portion is provided on the cooking pot cover, and the first connecting portion is configured to push the transmission portion so that the first fastening portion detaches from the second fastening portion.

[0031] In some embodiments, a third opening is provided on the bottom wall, a third connecting portion is provided on the button portion, the third connecting portion is inserted into the third opening, and the third connecting portion is configured to push the transmission portion so that the first fastening portion detaches from the second fastening portion.

[0032] Compared with the prior art, the advantages and positive effects of the present utility model are:

[0033] The cooking device disclosed in this application improves the connection structure between the cooking pot body and the installation frame, cancels the buckle connection between the cooking pot body and the installation frame, and the connection between the housing of the cooking pot body and the installation frame is realized through the cooperation of the first step portion and the second step portion. The inner wall of the installation frame is flat, improving the movement reliability of the button and preventing foreign objects from entering the cooking pot body through the installation frame.

[0034] After reading the specific embodiments of the present utility model in conjunction with the accompanying drawings, other features and advantages of the present utility model will become clearer. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0036] Figure 1 A structural diagram of a cooking device according to some embodiments;

[0037] Figure 2 A cross-sectional view of a pot body according to some embodiments;

[0038] Figure 3 For Figure 2 An enlarged view of part D in

[0039] Figure 4 For Figure 3 An enlarged view of part F in

[0040] Figure 5 A structural diagram of a key part according to some embodiments;

[0041] Figure 6 Another structural diagram of a key part according to some embodiments;

[0042] Figure 7 A structural diagram of a mounting frame according to some embodiments;

[0043] Figure 8 An assembly diagram of a key part and a mounting frame according to some embodiments;

[0044] Figure 9 Another assembly diagram of a key part and a mounting frame according to some embodiments;

[0045] Figure 10 A structural diagram of a pot lid according to some embodiments;

[0046] Figure 11 For Figure 10 A partial view at the vacuum valve after sectioning along the A-A direction;

[0047] Figure 12 A structural diagram of a lining according to some embodiments;

[0048] Figure 13 A structural diagram of a vacuum valve according to some embodiments;

[0049] Figure 14 A structural diagram of a first sealing part according to some embodiments;

[0050] Figure 15 Another structural diagram of the first sealing part according to some embodiments;

[0051] Figure 16 Another structural diagram of the pot lid according to some embodiments;

[0052] Figure 17 For Figure 16 Partial view at the steam valve and the exhaust assembly after sectioning along the B-B direction;

[0053] Figure 18 A structural diagram of the third sealing part according to some embodiments;

[0054] Figure 19 A structural diagram of the fourth installation part according to some embodiments;

[0055] Figure 20 A structural diagram of the third installation part according to some embodiments;

[0056] Figure 21 A structural diagram of the steam valve according to some embodiments;

[0057] Figure 22 Another structural diagram of the steam valve according to some embodiments;

[0058] Figure 23 A top view of the steam valve according to some embodiments;

[0059] Figure 24 For Figure 23 Cross-sectional view along the C-C direction. Detailed implementation manners

[0060] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present application without creative efforts shall fall within the protection scope of the present application.

[0061] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present application.

[0062] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of this application, unless otherwise specified, the meaning of "a plurality" is two or more.

[0063] In the description of this application, it should be noted that, unless otherwise clearly specified and defined, the terms "mounted", "connected" and "coupled" shall be construed broadly. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0064] In this utility model, unless otherwise clearly specified and defined, the first feature being "on" or "under" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through other features therebetween. Moreover, the first feature being "above", "over" and "on top of" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely means that the horizontal height of the first feature is higher than that of the second feature. The first feature being "under", "beneath" and "underneath" the second feature includes that the first feature is directly below and obliquely below the second feature, or merely means that the horizontal height of the first feature is lower than that of the second feature.

[0065] The following disclosure provides many different embodiments or examples for implementing different structures of the present utility model. To simplify the disclosure of the present utility model, components and settings of specific examples are described below. Of course, they are only examples and are not intended to limit the present utility model. In addition, the present utility model may repeat reference numerals and / or reference letters in different examples. Such repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the present utility model provides examples of various specific processes and materials, but those of ordinary skill in the art may be aware of the application of other processes and / or the use of other materials.

[0066] The cooking device of the present disclosure, such as a rice cooker, refers to Figure 1 and Figure 2 and includes a pot body 10 and a pot lid 20. An inner pot 30 is disposed in the pot body 10, and the inner pot 30 forms a cooking cavity 31. The pot lid 20 is rotatably connected to the pot body 10, and the pot lid 20 is configured to close or open the cooking cavity 31.

[0067] The pot body 10 includes a housing 11. Refer toFigure 3 and Figure 4 The pot body 10 further includes a first flanging portion 12. The first flanging portion 12 extends from the housing 11 to one side of the housing 11, for example, extends to the inner side of the housing 11. The first flanging portion 12 encloses an installation opening, and a first step portion 13 is provided on the first flanging portion 12.

[0068] The pot body 10 includes a mounting frame 900. The mounting frame 900 is disposed at the installation opening. An installation groove is formed in the mounting frame 900, and a second step portion 910 and a stop portion 940 are provided on the outer wall of the mounting frame 900. The first step portion 13 is adapted to abut against the second step portion 910, and the stop portion 940 is configured to limit the separation of the first step portion 13 from the second step portion 910.

[0069] The pot body 10 includes a key portion 800. The key portion 800 is disposed in the installation groove, and the key portion 800 is configured to move toward the inner side of the installation groove to open the pot lid 20.

[0070] Figure 5 is a structural diagram viewed from the rear side of the key portion 800, Figure 6 is a structural diagram viewed from the front side of the key portion 800, Figure 7 is a structural diagram of the mounting frame 900, Figure 8 is a structural diagram viewed from the front side after the key portion 800 and the mounting frame 900 are assembled, Figure 9 is a structural diagram viewed from the rear side after the key portion 800 and the mounting frame 900 are assembled.

[0071] Referring to Figure 2 the pot body 10 includes a transmission portion 40. The transmission portion 40 is opposite to the key portion 800. The transmission portion 40 is rotatably disposed in the pot body 10. One end of the transmission portion 40 extends to the top side of the pot body 10, and a first fastening portion 41 is provided on the extending end of the transmission portion 40. The first fastening portion 41 is, for example, a hook.

[0072] A second fastening portion is provided on the pot lid 20. In the first position state of the transmission portion 40, the first fastening portion 41 cooperates with the second fastening portion to close the pot lid 20.

[0073] Press the key portion 800. The key portion 800 pushes the transmission portion 40 to move toward the inside of the pot body 10. When the transmission portion 40 moves to the second position state, the first fastening portion 41 is away from the second fastening portion, and at this time, the pot lid 20 can be opened.

[0074] The cooking device of the present disclosure improves the connection structure between the cooking pot body 10 and the mounting frame 900, cancels the snap connection between the cooking pot body 10 and the mounting frame 900, and realizes the connection between the housing 11 of the cooking pot body 10 and the mounting frame 900 through the cooperation of the first step portion 13 and the second step portion 910. The inner wall of the mounting frame 900 is flat, which improves the movement reliability of the buttons and prevents foreign objects from entering the interior of the cooking pot body 10 through the mounting frame 900.

[0075] In some embodiments, referring to Figure 7 , the mounting frame 900 includes a bottom wall 930 and four circumferential walls 920. The bottom wall 930 and the four circumferential walls 920 enclose a mounting groove. An opening is provided on one side of the mounting groove, and the button portion 800 is exposed from the opening for the user to operate.

[0076] A second flanging portion 950 is provided at the edge of the circumferential wall 920 on the side away from the bottom wall 930, and the second flanging portion 950 is arranged around the circumferential wall 920. A second step portion 910 is formed on the second flanging portion 950, and a stop portion 940 is provided on each circumferential wall 920.

[0077] The second flanging portion 950 is formed at the edge of the circumferential wall 920. On the one hand, it improves the structural strength of the circumferential wall 920; on the other hand, the second step portion 910 is formed by using the second flanging portion 950 to be adaptively connected to the first step portion 13, with a simple structure and reliable connection.

[0078] In some embodiments, referring to Figure 4 , the first step portion 13 includes a first extension section 131, a second extension section 132 and a third extension section 133. The second extension section 132 is connected between the first extension section 131 and the third extension section 133. The first extension section 131 extends horizontally from the housing 11 towards the inside of the housing 11, the second extension section 132 extends towards the axis of the mounting opening, the second extension section 132 extends downward from the first extension section 131, and the third extension section 133 extends horizontally towards the inside of the housing 11.

[0079] The second step portion 910 includes a first step surface 911 and a second step surface 912. The first step surface 911 abuts against the first extension section 131, and the second step surface 912 abuts against the second extension section 132.

[0080] There is a distance between the stop portion 940 and the second step surface 912. The third extension section 133 abuts against the circumferential wall 920 within this distance, and the stop portion 940 abuts against the third extension section 133.

[0081] When installing the mounting frame 900 into the mounting opening of the housing 11, the mounting frame 900 is pushed into the inner side of the housing 11. The positioning portion 940 moves along the first step portion 13, the positioning portion 940 crosses over the first step portion 13, and the positioning portion 940 moves to the inner side of the first step portion 13. At this time, it just reaches the position state where the first step portion 13 and the second step portion 910 are adapted and abutted. Through the abutment between the positioning portion 940 and the third extension section 133, the mounting frame 900 is prevented from moving outward of the housing 11; through the abutment between the second step surface 912 and the second extension section 132, the mounting frame 900 is prevented from moving inward of the housing 11, thereby realizing the fixed installation of the mounting frame 900 on the housing 11, and the structure is stable.

[0082] In some embodiments, referring to Figure 7 , the positioning portion 940 is a rib structure provided on the circumferential wall 920. The positioning portions 940 on the circumferential walls 920 on the upper and lower sides extend along the width direction of the mounting frame 900, and the positioning portions 940 on the circumferential walls 920 on the left and right sides extend along the height direction of the mounting frame 900.

[0083] The positioning portion 940 includes a first side wall 941. The first side wall 941 extends in a direction perpendicular to the circumferential wall 920, and the first side wall 941 abuts against the third extension section 133, improving the limiting reliability of the positioning portion 940 to the first step portion 13.

[0084] The positioning portion 940 includes a second side wall 942. The second side wall 942 is an inclined wall. When the mounting frame 900 is inserted into the housing 11, the second side wall 942 moves along the first step portion 13, facilitating the installation of the mounting frame 900.

[0085] In some embodiments, referring to Figures 4 to 6 , the button portion 800 includes a button body portion 810 and a decorative portion 820. The button body portion 810 is provided on the mounting frame 900, and the decorative portion 820 is provided on the button body portion 810.

[0086] The button portion 800 is composed of two parts, namely the button body portion 810 and the decorative portion 820. The installation of the button portion 800 on the mounting frame 900 is realized through the button body portion 810. The decorative portion 820 is located on the appearance surface of the button portion 800, and different appearance design requirements of the button portion 800 are realized through the decorative portion 820.

[0087] In some embodiments, referring to Figure 4 , the button body portion 810 is provided with a first mounting surface 811 and a second mounting surface 812. The second mounting surface 812 surrounds the first mounting surface 811, and the first mounting surface 811 and the second mounting surface 812 are arc-transitionally connected.

[0088] The decoration part 820 includes a third mounting surface 821 and a fourth mounting surface 822. The fourth mounting surface 822 surrounds the third mounting surface 821, and there is an arc transition connection between the third mounting surface 821 and the fourth mounting surface 822.

[0089] The first mounting surface 811 is connected to the third mounting surface 821, and the second mounting surface 812 is connected to the fourth mounting surface 822. The cooperation of the first mounting surface 811, the second mounting surface 812, the third mounting surface 821 and the fourth mounting surface 822, on the one hand, plays a role in installation and positioning to a certain extent, enabling the decoration part 820 to completely cover the appearance surface of the key body part 810; on the other hand, it increases the connection area between the decoration part 820 and the key body part 810 to a certain extent, which helps to improve the connection reliability.

[0090] In some embodiments, referring to Figure 5 and 6 , a first positioning part 818 is provided on the key body part 810, and a second positioning part 823 is provided on the decoration part 820. The first positioning part 818 is connected to the second positioning part 823, playing a role in pre-installation positioning.

[0091] For example, the first positioning part 818 is a slot, and the second positioning part 823 is a protrusion, and the protrusion is embedded in the slot.

[0092] In some embodiments, the decoration part 820 is fixedly adhered to the key body part 810 for easy installation.

[0093] In some embodiments, IMD treatment is performed at the connection between the decoration part 820 and the key body part 810, and the decoration part 820 is continuous and complete, which helps to increase the appearance effect.

[0094] In some embodiments, referring to Figure 7 , a first opening 931 and a second opening 932 are provided on the bottom wall 930, and a limiting notch 934 is provided on the peripheral wall of the first opening 931.

[0095] Referring to Figure 5 , a first connecting part 813 and a second connecting part 814 are provided on the key body part 810. A limiting rib 817 is provided on the peripheral wall of the first connecting part 813, and a limiting hook 816 is provided on the second connecting part 814.

[0096] Referring to Figure 9 , the first connecting part 813 is inserted into the first opening 931, and the limiting rib 817 is located in the limiting notch 934. The first connecting part 813 is configured to push the transmission part 40 to disengage the first fastening part 41 from the second fastening part, and at this time, the pot cover 20 can be opened. When the first connecting part 813 moves along the first opening 931, the cooperation between the limiting rib 817 and the limiting notch 934 plays a role in guiding the movement.

[0097] The second connecting portion 814 is inserted into the second opening 932, and the limiting hook 816 is configured to limit the decorative portion 820 from detaching from the installation groove.

[0098] In some embodiments of the present disclosure, four second openings 932 and four second connecting portions 814 are respectively provided, and the second openings 932 are provided at the four corners of the circumferential wall 920.

[0099] In some embodiments, referring to Figure 7 , a third opening 933 is provided on the bottom wall 930, and third openings 933 are respectively provided on the left and right sides of the first opening 931. Referring to Figure 5 , a third connecting portion 815 is provided on the button body portion 810. Referring to Figure 9 , the third connecting portion 815 is inserted into the third opening 933. The third connecting portion 815 is configured to push the transmission portion 40 so that the first engaging portion 41 disengages from the second engaging portion.

[0100] Pushing the transmission portion 40 simultaneously by the first connecting portion 813 and the third connecting portion 815 helps to improve the reliability of the lid-opening operation.

[0101] A disclosed cooking device has a vacuum negative pressure fresh-keeping function, which can improve the preservation time of food materials in the cooking cavity and the flavor retention time. Also, a disclosed cooking device has a micro-pressure cooking function, which can improve the gelatinization degree of food materials (such as rice) at high temperatures and improve the cooking effect.

[0102] After the above-mentioned cooking device completes vacuum negative pressure fresh-keeping or micro-pressure cooking, when opening the lid, the user needs to trigger the pressure relief component while pressing the lid-opening button, which is a physical pressure relief method. The lid-opening resistance is large and the user experience is poor.

[0103] To solve the above technical problems, referring to Figure 10 and Figure 11 , the cooking pot lid 20 includes a vacuum valve 100. Referring to Figure 13 , the vacuum valve 100 includes a first air flow channel 110, a first pipe connection portion 120 and a second pipe connection portion 130 that are communicated. The first pipe connection portion 120 and the second pipe connection portion 130 are respectively communicated with the first air flow channel 110. The first air flow channel 110 is configured to be communicated with the cooking cavity.

[0104] The cooking pot lid 20 includes a steam valve 200. Figure 21 FIG. is a structural diagram of the steam valve 200 viewed from the upper side, Figure 22 FIG. is a structural diagram of the steam valve 200 viewed from the bottom side, Figure 23 FIG. is a top view of the steam valve 200, Figure 24 FIG. is a cross-sectional view of the steam valve 200.

[0105] The steam valve 200 includes a second air flow channel 280 and a third pipe connection portion 220. The second air flow channel 280 is configured to communicate the cooking cavity with the outside atmosphere. The third pipe connection portion 220 communicates with the second air flow channel 280.

[0106] The cooker lid 20 includes a first pipeline 400. Refer to Figure 10 , the first pipeline 400 is connected between the first pipe connection portion 120 and the third pipe connection portion 220 to communicate the vacuum valve 100 with the steam valve 200.

[0107] The cooker lid 20 includes a vacuum pumping assembly 300. Refer to Figure 10 , the vacuum pumping assembly 300 is connected to the second pipe connection portion 130 and is configured to pump the cooking cavity to a vacuum.

[0108] The cooker lid 20 includes a control valve 410. Refer to Figure 10 , the control valve 410 is disposed on the first pipeline 400. The control valve 410 is configured to open or close the first pipeline 400. The pipeline between the control valve 410 and the steam valve 200 is the first pipeline 400A, and the pipeline between the control valve 410 and the vacuum valve 100 is the first pipeline 400B.

[0109] The cooking device includes a first working state. In the first working state of the cooking device, the cooking cavity is pumped to a vacuum by the vacuum pumping assembly 300, and the cooking device can perform micro-pressure cooking.

[0110] In the first working state of the cooking device, the control valve 410 is closed to close the first pipeline 400, and the vacuum pumping assembly 300 is activated to pump the cooking cavity to a vacuum. The gas in the cooking cavity is discharged from the cooking cavity through the first air flow channel 110 of the vacuum valve 100, the second pipe connection portion 130, and the vacuum pumping assembly 300 in sequence to complete the vacuum pumping.

[0111] The cooking device includes a second working state. In the second working state of the cooking device, the cooking cavity is depressurized through the first pipeline 400 to facilitate opening the cooker lid 20.

[0112] In the second working state of the cooking device, the vacuum pumping assembly 300 is closed, and the control valve 410 is opened to open the first pipeline 400. The outside air enters the cooking cavity through the second air flow channel 280 of the steam valve 200, the first pipeline 400, and the first air flow channel 110 of the vacuum valve 100 to depressurize the cooking cavity.

[0113] After the cooking device of the present disclosure finishes cooking or the user clicks to cancel cooking, the control valve 410 is automatically opened to realize automatic depressurization of the cooking cavity, reduce the opening resistance of the cooker lid 20, and improve the user experience.

[0114] The cooking device of the present disclosure integrates a vacuum pumping and automatic pressure relief function. The vacuum pumping pipeline and the pressure relief pipeline cooperate with each other, and both are connected to the vacuum valve 100, which is in communication with the cooking cavity. When evacuating the cooking cavity, the vacuum pumping pipeline is opened and the pressure relief pipeline is closed, and the gas in the cooking cavity is discharged through the vacuum valve 100 and the vacuum pumping pipeline. When the cooking cavity is depressurized, the pressure relief pipeline is opened and the vacuum pumping pipeline is closed, and the outside air enters the cooking cavity through the pressure relief pipeline and the vacuum valve 100 to achieve pressure relief.

[0115] In some embodiments, referring to Figure 10 , the vacuum pumping assembly 300 includes a second pipeline 310 and a vacuum pump 320, and the vacuum pump 320 is disposed on the second pipeline 310. An exhaust port is provided on the cooking lid 20, denoted as the first exhaust port 21, and the second pipeline 310 is connected between the second pipe connection portion 130 and the first exhaust port 21.

[0116] The activation of the vacuum pumping assembly 300 means the activation of the vacuum pump 320. The deactivation of the vacuum pumping assembly 300 means the deactivation of the vacuum pump 320.

[0117] In some embodiments, referring to Figure 10 , a check valve 330 is provided on the second pipeline 310, and the check valve 330 is located between the vacuum pump 320 and the second pipe connection portion 130. The check valve 330 is configured to achieve unidirectional gas flow from the vacuum valve 100 to the first exhaust port 21. The pipeline between the first exhaust port 21 and the vacuum pump 320 is the second pipeline 310A, the pipeline between the vacuum pump 320 and the check valve 330 is the second pipeline 310B, and the pipeline between the check valve 330 and the vacuum valve 100 is the second pipeline 310C.

[0118] In some embodiments, the control valve 410 is a normally open solenoid valve.

[0119] In some embodiments, referring to Figure 1 , the cooking lid 20 includes an outer lid 620, and the outer lid 620 forms the outer wall of the cooking lid 20.

[0120] Referring to Figure 10 , the cooking lid 20 includes a lining 610, and the lining 610 is fixedly disposed inside the cooking lid 20 as a mounting carrier for other components. Figure 12 FIG. is a structural diagram of the lining 610. Figure 10 FIG. is an installation diagram of components such as the steam valve 200, the vacuum valve 100, the first pipeline 400, the second pipeline 310, the control valve 410, the vacuum pump 320, and the check valve 330 on the lining 610.

[0121] The inner lining 610 is provided with a first pipe routing groove 616 and a second pipe routing groove 617 on the side facing the outer cover 620. The first pipeline 400 extends along the first pipe routing groove 616, and the second pipeline 310 extends along the second pipe routing groove 617. The pipe routing reliability of the first pipeline 400 and the second pipeline 310 is improved by the pipe routing grooves.

[0122] In some embodiments, referring to Figure 10 and Figure 12 , a limiting portion 618 is provided on the inner lining 610. The limiting portion 618 is configured to limit the first pipeline 400 within the first pipe routing groove 616 and limit the second pipeline 310 within the second pipe routing groove 617, further improving the pipe routing reliability.

[0123] The limiting portion 618 is a limiting plate. A plurality of limiting portions 618 are arranged at intervals along the extending paths of the first pipe routing groove 616 and the second pipe routing groove 617. The limiting portions 618 are located at the top openings of the grooves to limit the pipelines within the corresponding grooves.

[0124] In some embodiments, referring to Figure 10 and Figure 13 , the axis of the first pipe connection portion 120 is non - coaxial with the axis of the second pipe connection portion 130. The orientations of the first pipe connection portion 120 and the second pipe connection portion 130 are different, such that the first pipeline 400 and the second pipeline 310 are arranged on different sides of the vacuum valve 100, facilitating the extending pipe routing of the first pipeline 400 and the second pipeline 310 on the inner lining 610 without interference between them.

[0125] In some embodiments, referring to Figure 10 , the steam valve 200 is arranged at a position closer to the rear of the inner lining 610, the vacuum valve 100 is arranged at a position in front of the inner lining 610 and on one side (such as the left side), and the vacuum pump 320 is arranged at a position in the rear of the inner lining 610 and on one side (such as the right side). The three components are arranged at intervals on the inner lining 610, making full use of the space and also meeting the pipe routing requirements.

[0126] In some embodiments, referring to Figure 11 and Figure 13 , the vacuum valve 100 includes a first base portion 140. A plurality of mounting ears 150 are arranged at intervals on the outer peripheral side of the first base portion 140. The mounting ears 150 are fixedly installed on the inner lining 610 through connecting members such as screws, realizing the fixed installation of the vacuum valve 100 on the inner lining 610.

[0127] An extension column 160 is provided on the first base portion 140. A first air flow channel 110 with one end open is formed inside the extension column 160.

[0128] The first pipe connection part 120, the second pipe connection part 130 are connected to the first base part 140 and converge to the extension column 160. The inner cavities of the first pipe connection part 120 and the second pipe connection part 130 communicate with the first air flow channel 110.

[0129] In some embodiments, referring to Figure 11 and Figure 16 , the cooking pot lid 20 includes an inner lid 630 which faces the cooking cavity. A first ventilation opening 631 is provided on the inner lid 630, and the first ventilation opening 631 communicates with the cooking cavity.

[0130] The cooking pot lid 20 includes a first sealing part 700. Figure 14 FIG. is a structural diagram of the first sealing part 700 viewed from the top side, Figure 15 FIG. is a structural diagram of the first sealing part 700 viewed from the bottom side.

[0131] The first sealing part 700 is a rubber part. A ring-shaped installation groove 760 is provided on the circumferential outer wall of the first sealing part 700. An installation opening is provided on the inner liner 610, and the ring-shaped installation groove 760 is clamped at the installation opening to fixedly install the first sealing part 700 to the inner liner 610.

[0132] The first sealing part 700 includes a first installation cavity 710. The top of the first installation cavity 710 is open, and a second ventilation opening 720 is provided on the bottom wall of the first installation cavity 710. The wall enclosing the first air flow channel 110 is arranged in the first installation cavity 710, that is, the extension column 160 of the vacuum valve 100 is inserted into the first installation cavity 710.

[0133] Referring to Figure 11 and Figure 14 , a ring-shaped first protrusion part 740 is provided on the inner wall of the first installation cavity 710, and the first protrusion part 740 abuts against the outer peripheral wall of the extension column 160 to improve the sealing performance.

[0134] There is a distance between the bottom end of the extension column 160 and the bottom wall of the first installation cavity 710. The first ventilation opening 631, the second ventilation opening 720 and the first air flow channel 110 communicate with each other.

[0135] Referring to Figure 15 , an extension flanging 730 is provided at the bottom of the first sealing part 700. The extension flanging 730 surrounds the second ventilation opening 720, and the extension flanging 730 abuts against the inner lid 630 to achieve sealing.

[0136] When evacuating the cooking cavity, the gas in the cooking cavity enters the first air flow channel 110 through the first ventilation opening 631 and the second ventilation opening 720, then enters the second pipeline 310 through the second pipe connection part 130, and is discharged through the vacuum pump 320.

[0137] When relieving the pressure in the cooking cavity, outside air enters the first pipeline 400 through the steam valve 200, then enters the first air flow channel 110 through the first pipe joint portion 120, and then enters the cooking cavity through the second vent port 720 and the first vent port 631.

[0138] In some embodiments, referring to Figure 14 , a cross-shaped slit is provided on the bottom wall of the first installation cavity 710, and this slit forms the second vent port 720.

[0139] In some embodiments, referring to Figure 11 and Figure 14 , a second protruding portion 750 is provided on the wall of the first sealing portion 700 facing the vacuum valve 100, and the second protruding portion 750 abuts against the vacuum valve 100. Specifically, the second protruding portion 750 abuts against the first base portion 140 of the vacuum valve 100 to improve the sealing performance.

[0140] In some embodiments, when the cooking device performs pressure cooking, there is a certain pressure in the cooking cavity, which is likely to cause the phenomenon of overflowing the pot, and the noise is large during exhaust.

[0141] To solve this technical problem, referring to Figure 16 and Figure 17 , an exhaust buffer cavity 615 is formed between the inner lid 630 and the inner liner 610, and a third vent port 613 is provided on the inner liner 610, and the third vent port 613 is communicated with the exhaust buffer cavity 615.

[0142] There is a distance between the inner lid 630 and the inner liner 610. The inner liner 610 is provided with an annular sealing ring 614 on the side facing the inner lid 630, and the sealing ring 614 abuts against and seals the inner lid 630, so as to enclose the exhaust buffer cavity 615 between the inner liner 610 and the inner lid 630.

[0143] The cooking lid 20 includes an exhaust assembly 500. The exhaust assembly 500 is arranged on the inner lid 630, and the exhaust assembly 500 is configured to communicate or isolate the cooking cavity and the exhaust buffer cavity 615.

[0144] The cooking lid 20 includes a steam valve 200. The steam valve 200 is arranged on the inner liner 610. Figure 21 Figure [ID number] is a structural diagram of the steam valve 200 viewed from the top side, Figure 22 Figure [ID number] is a structural diagram of the steam valve 200 viewed from the bottom side, Figure 23 Figure [ID number] is a top view of the steam valve 200, Figure 24 Figure [ID number] is a cross-sectional view of the steam valve 200.

[0145] The steam valve 200 includes a second exhaust port 270 and an exhaust cavity 210. The second exhaust port 270 is in communication with the outside atmosphere. A partition 240 is disposed in the exhaust cavity 210. The partition 240 divides the exhaust cavity 210 into a plurality of sub-exhaust cavities. One of the plurality of sub-exhaust cavities is in communication with the second exhaust port 270, and the other is in communication with the third vent port 613. The gas flowing out from the third vent port 613 is discharged through the plurality of sub-exhaust cavities and the second exhaust port 270 in sequence.

[0146] When the cooking cavity discharges steam outward, the exhaust assembly 500 communicates the cooking cavity with the exhaust buffer cavity 615. The steam in the cooking cavity enters the exhaust buffer cavity 615 through the exhaust assembly 500, and then enters the exhaust cavity 210 through the third vent port 613. The steam flows through the plurality of sub-exhaust cavities in sequence and finally is discharged from the second exhaust port 270.

[0147] The plurality of sub-exhaust cavities extend the steam discharge path, which helps to reduce the exhaust noise. The partition 240 functions as an anti-overflow baffle, effectively avoiding the phenomenon of overflowing the pot.

[0148] In some embodiments, the partition 240 divides the exhaust cavity 210 into two sub-exhaust cavities, denoted as a first sub-exhaust cavity 211 and a second sub-exhaust cavity 212. The first sub-exhaust cavity 211 faces the third vent port 613. The steam in the exhaust buffer cavity 615 enters the first sub-exhaust cavity 211 through the third vent port 613, and then is discharged through the second sub-exhaust cavity 212 and the second exhaust port 270.

[0149] In some embodiments, referring to Figure 17 and Figure 24 , one end of the exhaust cavity 210 is open. The inner liner 610 closes the open end of the exhaust cavity 210. The third vent port 613 communicates the exhaust cavity 210 with the exhaust buffer cavity 615.

[0150] One end of the exhaust cavity 210 is open. On the one hand, it is convenient for processing. On the other hand, it is convenient to form a closed exhaust cavity 210 after being fixedly installed with the inner liner 610.

[0151] A first exhaust gap 251 is formed between the partition 240 and the inner liner 610. The first exhaust gap 251 communicates the adjacent two sub-exhaust cavities.

[0152] In some embodiments, among the plurality of sub-exhaust cavities, the sub-exhaust cavity facing the third vent port 613 is the first sub-exhaust cavity 211.

[0153] Referring to Figure 17 , a plurality of stepped portions 612 are provided on the inner liner 610. The plurality of stepped portions 612 face the remaining sub-exhaust cavities except the first sub-exhaust cavity 211. The plurality of stepped portions 612 increase in sequence along the gas discharge direction. The stepped portions 612 play a role in guiding the air flow, which helps to further reduce the exhaust noise.

[0154] For example, the exhaust cavity 210 includes a first sub-exhaust cavity 211 and a second sub-exhaust cavity 212. The steam discharged from the third vent 613 first enters the first sub-exhaust cavity 211. During the process of the steam flowing along the first exhaust gap 251 towards the second sub-exhaust cavity 212, it flows sequentially along the step portion 612, reducing the exhaust noise.

[0155] In some embodiments, referring to Figure 12 and Figure 17 , a first mounting portion 611 is provided on the inner liner 610. The first mounting portion 611 extends towards the steam valve 200, and the first mounting portion 611 surrounds the third vent 613.

[0156] Referring to Figure 17 and Figure 22 , a second mounting portion 260 is provided on the steam valve 200. The second mounting portion 260 extends towards the inner liner 610. The second mounting portion 260 encloses the exhaust cavity 210, and the second mounting portion 260 abuts and seals against the first mounting portion 611.

[0157] The first mounting portion 611 and the second mounting portion 260 form the circumferential side wall of the exhaust cavity 210. The first mounting portion 611 and the second mounting portion 260 are sealed at the butt joint, improving the sealing performance of the exhaust cavity 210.

[0158] In some embodiments, referring to Figure 17 , a second sealing portion 640 is provided between the first mounting portion 611 and the second mounting portion 260. The second sealing portion 640 is a rubber sealing ring, improving the sealing performance between the first mounting portion 611 and the second mounting portion 260.

[0159] In some embodiments, referring to Figure 22 , one end of the partition portion 240 is connected to the second mounting portion 260, and a second exhaust gap 252 is formed between the other end and the second mounting portion 260.

[0160] When the steam in the first sub-exhaust cavity 211 flows into the second sub-exhaust cavity 212, there are two flow paths. One is the first exhaust gap 251 at the bottom of the exhaust cavity 210, and the other is the second exhaust gap 252 at the side of the exhaust cavity 210. With such a setting, the steam discharge efficiency is improved.

[0161] In some embodiments, the partition portion 240 has an arc-shaped curved surface structure, such as a wavy structure, which plays a role in buffering and guiding the air flow, helping to improve the exhaust efficiency and reduce the noise.

[0162] In some embodiments, referring to Figure 17, the exhaust assembly 500 includes a third mounting portion 510 and a fourth mounting portion 520. The third mounting portion 510 is disposed on the side of the inner cover 630 facing the cooking cavity, and the fourth mounting portion 520 is disposed on the side of the inner cover 630 facing away from the cooking cavity. Figure 20 is a structural diagram of the third mounting portion 510, Figure 19 is a structural diagram of the fourth mounting portion 520.

[0163] A third sealing portion 540 is provided on the third mounting portion 510. An exhaust passage 542 is formed in the third sealing portion 540, and the exhaust passage 542 communicates with the cooking cavity. Figure 18 is a structural diagram of the third sealing portion 540.

[0164] A receiving cavity 550 is defined between the fourth mounting portion 520 and the inner cover 630. A moving portion 530 is disposed in the receiving cavity 550. The moving portion 530 is configured to open or close the exhaust passage 542. The receiving cavity 550 provides a movement space for the moving portion 530 and also limits the displacement amount of the moving portion 530.

[0165] The moving portion 530 is a steel ball. When discharging steam, the steel ball rises under the action of the steam and opens the exhaust passage 542. When not discharging steam, the steel ball falls back under the action of gravity, and the steel ball closes the exhaust passage 542.

[0166] A fourth vent 523 is provided on the fourth mounting portion 520. The fourth vent 523 communicates the receiving cavity with the exhaust buffer cavity 615.

[0167] When discharging steam, the steam in the cooking cavity pushes the moving portion 530 upward through the exhaust passage 542. The moving portion 530 moves upward, the exhaust passage 542 is opened, and the steam enters the receiving cavity 550 through the exhaust passage 542 and then flows into the exhaust buffer cavity 615 through the fourth vent 523.

[0168] The overall structure of the exhaust assembly 500 is compact, with a small volume and reliable exhaust.

[0169] In some embodiments, referring to Figure 19 and Figure 20 , screw posts 511 are provided on the third mounting portion 510, and mounting holes 524 are provided on the fourth mounting portion 520. A connecting member (such as a screw) is fixedly connected to the inner cover 630 and the screw posts 511 through the mounting holes 524 to fixedly mount the exhaust assembly 500 on the inner cover 630.

[0170] In some embodiments, referring to Figure 19The fourth mounting portion 520 includes a plane portion 521 and a protruding portion 522. The plane portion 521 is fixedly connected to the inner cover 630 by a connecting member such as a screw. The protruding portion 522 and the inner cover 630 form a receiving cavity 550. The side wall and / or top wall of the protruding portion 522 are provided with a fourth vent 523. A plurality of fourth vents 523 are provided to improve exhaust efficiency.

[0171] In some embodiments, reference Figure 18 A receiving groove 541 is provided at the top of the third sealing portion 540 . When the moving portion 530 falls back under the action of gravity, it falls into the receiving groove 541 and closes the exhaust channel 542 .

[0172] In some embodiments, reference Figure 21 The steam valve 200 includes a second base portion 230 , and a mounting hole is provided on the second base portion 230 . The mounting hole is fixed to the liner 610 by screws to achieve fixed installation of the steam valve 200 .

[0173] In some embodiments, reference Figure 24 The third pipe connection portion 220 is connected to one of the sub-exhaust chambers, for example, the third pipe connection portion 220 is connected to the first sub-exhaust chamber 211.

[0174] When the cooking chamber is depressurized, the outside air first enters the exhaust chamber 210 through the second exhaust port 270 of the steam valve 200, for example, enters the first sub-exhaust chamber 211, then enters the third pipe connection portion 220 through the first sub-exhaust chamber 211, enters the vacuum valve 100 through the first pipeline 400, and finally enters the cooking chamber to achieve depressurization. At this time, the exhaust chamber 210 is the second air flow channel 280.

[0175] In the description of the above embodiments, specific features, structures, materials or characteristics may be combined in a suitable manner in any one or more embodiments or examples.

[0176] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited to this. Any changes or substitutions that can be easily thought of by technicians familiar with the technical field within the technical scope disclosed by the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A cooking device, comprising: A pot body, within which a cooking cavity is formed; A pot lid, connected to the pot body, and configured to close or open the cooking cavity; Characterized in that, the pot body comprises: A housing; A first flanging portion, extending from the housing to one side of the housing, the first flanging portion enclosing an installation opening, and a first step portion is provided on the first flanging portion; An installation frame, disposed at the installation opening, an installation groove is formed within the installation frame, a second step portion and a stop portion are provided on the outer wall of the installation frame, the first step portion is adapted to abut against the second step portion, and the stop portion is configured to limit the separation of the first step portion from the second step portion; A button portion, disposed within the installation groove, and configured to move towards the inner side of the installation groove to open the pot lid.

2. The cooking device according to claim 1, characterized in that, The installation frame includes a bottom wall and four circumferential walls, the bottom wall and the four circumferential walls enclose the installation groove, a second flanging portion is provided at the edge of the circumferential wall, the second step portion is formed on the second flanging portion, and the stop portion is provided on each circumferential wall.

3. The cooking device according to claim 2, characterized in that, The first step portion includes a first extension section, a second extension section, and a third extension section, the second extension section is connected between the first extension section and the third extension section, the first extension section extends from the housing towards the inner side of the housing, the second extension section extends towards the axis of the installation opening, and the third extension section extends towards the inner side of the housing; The second step portion includes a first step surface and a second step surface, the first step surface abuts against the first extension section, and the second step surface abuts against the second extension section; There is a distance between the stop portion and the second step surface, the third extension section abuts against the circumferential wall within this distance, and the stop portion abuts against the third extension section.

4. The cooking device according to claim 2, characterized in that, The button portion includes a button body portion and a decoration portion, the button body portion is disposed on the installation frame, and the decoration portion is disposed on the button body portion.

5. The cooking device according to claim 4, characterized in that, A first installation surface and a second installation surface are provided on the button body portion, the second installation surface surrounds the first installation surface, and the first installation surface and the second installation surface are arc-transitionally connected; The decoration portion includes a third installation surface and a fourth installation surface, the fourth installation surface surrounds the third installation surface, and the third installation surface and the fourth installation surface are arc-transitionally connected; The first installation surface is connected to the third installation surface, and the second installation surface is connected to the fourth installation surface.

6. The cooking device according to claim 4, characterized in that, A first positioning portion is provided on the button body portion, a second positioning portion is provided on the decoration portion, and the first positioning portion is connected to the second positioning portion.

7. The cooking device according to claim 4, characterized in that, The decorative part is adhesively fixed on the key body part.

8. The cooking device according to claim 4, characterized in that IMD treatment is performed at the connection between the decorative part and the key body part.

9. The cooking device according to any one of claims 4 to 8, characterized in that A first opening and a second opening are provided on the bottom wall, and a limiting notch is provided on the peripheral wall of the first opening; A first connecting part and a second connecting part are provided on the key part, a limiting rib is provided on the peripheral wall of the first connecting part, and a limiting hook is provided on the second connecting part; The first connecting part is inserted into the first opening, and the limiting rib is located in the limiting notch; The second connecting part is inserted into the second opening, and the limiting hook is configured to limit the decorative part from disengaging from the mounting groove; The pot body includes a transmission part, a first fastening part is provided on the transmission part, a second fastening part is provided on the pot cover, and the first connecting part is configured to push the transmission part so that the first fastening part disengages from the second fastening part.

10. The cooking device according to claim 9, characterized in that A third opening is provided on the bottom wall, a third connecting part is provided on the key part, the third connecting part is inserted into the third opening, and the third connecting part is configured to push the transmission part so that the first fastening part disengages from the second fastening part.

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