Electric steamer

By arranging sealed steam holes and air extraction components in the electric steamer, the electric steamer is built into a vacuum state, which solves the problem of food deterioration caused by long-term storage, and improves the food preservation effect and user experience.

CN222382996UActive Publication Date: 2025-01-24GREE ELECTRIC APPLIANCE INC OF ZHUHAI
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Patent Information

Application Number
CN202421150333.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-23
Publication Date
2025-01-24
Estimated Expiration
2034-05-23

AI Technical Summary

Technical Problem

The electric steamer cannot meet the problem of users placing food appointments inside the electric steamer for up to several hours, causing the food to deteriorate due to microbial growth, enzyme action and chemical reactions.

Method used

Design a type of steamer, setting up a seal setting between the steamer component, the base component and the steam rack component, set the steam hole and the steam cover to seal or open the steam hole, and set the pump component in the base component to accommodate the accommodation to accommodate The cavity is drawn to a vacuum state.

Benefits of technology

By placing the inside of the electric steamer in the vacuum state, the growth of microorganisms and the occurrence of chemical reactions were delayed, effectively preventing the deterioration of food and improving the user experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of kitchen appliances, and discloses an electric steamer, which comprises a steaming cover assembly, a steam hole is arranged on the steaming cover assembly, the steaming cover assembly comprises a steam cover, and the steam cover has a first state of being hermetically connected with the steam hole and a second state of being separated from the steam hole; the base assembly is arranged below the steaming cover assembly; the steaming rack assembly is arranged between the base assembly and the steaming cover assembly in a sealed mode, a containing cavity is defined by the steaming rack assembly and the steaming cover assembly jointly, and food can be placed in the containing cavity; and the air exhaust assembly is provided with an air exhaust opening, the air exhaust opening communicates with the containing cavity, and the air exhaust assembly is suitable for vacuumizing the containing cavity to the vacuum state when the steam cover is in the first state. According to the electric steamer, the steaming cover assembly, the base assembly and the steaming rack assembly are arranged in a sealed mode, the air exhaust assembly is arranged, the containing cavity can be vacuumized through the air exhaust assembly, and when a user makes an appointment for food in the electric steamer, due to the fact that the interior of the electric steamer is in the vacuum state, the food can be kept fresh and prevented from going bad.
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Description

Technical Field

[0001] The utility model relates to the technical field of kitchen appliances, in particular to an electric steamer. Background Art

[0002] Electric steamer is also called electric steamer. It is a kind of kitchen appliance developed on the basis of traditional wooden steamer, aluminum steamer, bamboo steamer, etc. It uses electric steam principle to directly steam various delicacies. Electric steamer can heat evenly, keep the temperature in the steamer consistent, so that the food is heated evenly and will not be undercooked. It adopts the design of stacked food steaming rack, which can cook multiple dishes at the same time, saving space and time, and can also be used to store food.

[0003] However, there is no small fresh-keeping structure like a refrigerator inside the electric steamer, and food cannot be left in the electric steamer for a long time. Otherwise, the original nutritional value and properties of the food will change due to factors such as the growth and reproduction of microorganisms, the action of enzymes and chemical reactions. Some chemical components in food, such as oil, will undergo oxidation reaction when in contact with air for a long time, causing the oil to deteriorate and produce odor.

[0004] However, in order to save time, more and more users have the demand to prepare the dishes to be steamed in advance and place them in the electric steamer, and then schedule the steaming to start before getting up in the morning or going home from work in the evening. However, the electric steamer cannot meet the user's requirement of placing the food inside the electric steamer for several hours. Utility Model Content

[0005] In view of this, the utility model provides an electric steamer to solve the problem that the electric steamer cannot satisfy the user's requirement of placing food inside the electric steamer for several hours.

[0006] The utility model provides an electric steamer, comprising:

[0007] A steaming cover assembly, wherein the steaming cover assembly is provided with a steam hole, and the steaming cover assembly comprises a steam cover, wherein the steam cover has a first state of being sealed and connected with the steam hole and a second state of being separated from the steam hole;

[0008] A base assembly is arranged below the steaming cover assembly;

[0009] A steaming rack assembly is sealed between the base assembly and the steaming cover assembly, wherein the steaming rack assembly and the steaming cover assembly together form a receiving cavity, and the receiving cavity is suitable for placing food;

[0010] The vacuum assembly has a vacuum port, which is communicated with the accommodating chamber and is suitable for evacuating the accommodating chamber to a vacuum state when the steam cover is in the first state.

[0011] Beneficial effects: by sealing the steaming cover assembly, the base assembly and the steaming rack assembly, the steam holes on the steaming cover assembly are sealed through the steam cover, and a vacuum assembly is provided, the vacuum assembly can evacuate the accommodating cavity to a vacuum state. When the user places food in the accommodating cavity and sets the electric steamer for reservation, since the electric steamer is in a vacuum state, the food in the electric steamer can be kept fresh, the food can be prevented from spoiling, and the user experience is improved.

[0012] In an optional embodiment, the air extraction assembly is disposed in the base assembly.

[0013] Beneficial effect: By arranging the air extraction component inside the base component, all structural components of the electric steamer are located inside the electric steamer, and no additional components are required on the outside, thereby improving the aesthetics of the electric steamer.

[0014] In an optional embodiment, the air extraction component includes:

[0015] An evacuation device having the evacuation port;

[0016] The air duct is connected to the air suction port, and the air duct is provided with an air suction hole, which is communicated with the accommodating cavity.

[0017] In an optional embodiment, the electric steamer includes a water tank;

[0018] A water storage space is provided in the base assembly, and the water storage space is communicated with the water tank and the accommodating cavity respectively. The air duct is provided in the water storage space, and the air extraction hole is higher than the highest water level line of the water storage space.

[0019] Beneficial effect: By setting the air duct in the water holding space of the base assembly, the structural setting can be made more compact, and by setting the air suction hole higher than the highest water level line of the water holding space, it can prevent the water in the water holding space from being pumped into the air duct when the vacuum device is pumping air, thereby affecting the electrical components of the vacuum device and causing damage to the vacuum device.

[0020] In an optional embodiment, a partition structure is provided in the base assembly, the partition structure divides the base assembly into the water storage space and the electrical appliance space, and the vacuum device is disposed in the electrical appliance space.

[0021] Beneficial effect: By arranging a partition structure in the base assembly, the base assembly can be divided into a water storage space and an electrical appliance space. The vacuum device is arranged in the electrical appliance space to prevent water from causing damage to the vacuum device.

[0022] In an optional embodiment, a first matching structure is provided at the bottom of the steaming cover assembly;

[0023] The steaming rack assembly comprises a steaming rack body, a plurality of through holes are arranged on the steaming rack body, a second matching structure matched and connected with the first matching structure is arranged on the top of the steaming rack body, and a first sealing device is arranged between the first matching structure and the second matching structure.

[0024] Beneficial effect: By arranging a second matching structure on the top of the steaming rack body to be matched with the first matching structure at the bottom of the steaming cover assembly, the connection between the steaming rack assembly and the steaming cover assembly is facilitated, and by arranging a first sealing device between the first matching structure and the second matching structure, the sealing effect between the steaming rack assembly and the steaming cover assembly is ensured.

[0025] In an optional embodiment, a third matching structure is provided on the top of the base assembly;

[0026] A fourth matching structure matched and connected with the third matching structure is provided at the bottom of the steaming rack body, and a second sealing device is provided between the third matching structure and the fourth matching structure.

[0027] Beneficial effect: By setting a third matching structure on the top of the base assembly, a fourth matching structure matched with the third matching structure is set at the bottom of the steaming rack body, which facilitates the assembly of the steaming rack assembly and the base assembly, and a second sealing device is set between the third matching structure and the fourth matching structure to ensure the sealing effect between the steaming rack assembly and the base assembly.

[0028] In an optional embodiment, the first matching structure is the peripheral wall of the steaming cover assembly; the second matching structure is an annular first accommodating space, and the bottom end of the peripheral wall of the steaming cover assembly is inserted into the first accommodating space;

[0029] And / or, the third matching structure is a second accommodating space, the fourth matching structure is a positioning structure, and the positioning structure is inserted into the second accommodating space.

[0030] Beneficial effect: By setting the first matching structure as the peripheral wall of the steaming cover assembly, the original structure of the steaming cover assembly is directly utilized without the need to set an additional matching structure separately on the steaming cover assembly, making the overall structure of the electric steamer simpler.

[0031] In an optional embodiment, the first accommodating space is a U-shaped groove, and the first sealing device is arranged on both inner and outer sides of the bottom of the peripheral wall of the steaming cover assembly;

[0032] And / or, the second accommodating space is an L-shaped groove, and the second sealing device is arranged on the outer side of the positioning structure;

[0033] And / or, the positioning structure is a positioning rib;

[0034] And / or, the positioning structure and the second accommodating space are both annular structures.

[0035] In an optional embodiment, the steaming rack assembly is respectively snap-connected with the steaming cover assembly and the base assembly.

[0036] Beneficial effects: by respectively snap-connecting the steaming rack assembly, the steaming cover assembly and the base assembly, the connection relationship between the steaming rack assembly, the steaming cover assembly and the base assembly is simpler and firmer, and the assembly is also more convenient.

[0037] In an optional embodiment, the steaming cover assembly and the base assembly are respectively provided with a clamping block;

[0038] The steaming rack assembly is provided with at least two buckles, and the buckles are engaged with the engaging blocks.

[0039] In an optional embodiment, an assembly portion is provided on the outer side of the steaming rack assembly, and the buckles are respectively provided on the upper and lower sides of the assembly portion.

[0040] Beneficial effect: By directly arranging the buckles on the upper and lower sides of the assembly part, the structure is more compact. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0042] Figure 1 This is a structural schematic diagram of an electric steamer according to an embodiment of the utility model;

[0043] Figure 2 is a side cross-sectional view of the steaming cover assembly;

[0044] Figure 3 for Figure 2 A is a partial enlarged schematic diagram;

[0045] Figure 4 A schematic diagram of the structure of the fixed connection between the steaming cover assembly, the steaming rack assembly and the base assembly;

[0046] Figure 5 is a structural schematic diagram of a steaming rack assembly;

[0047] Figure 6 is a cross-sectional view of an electric steamer;

[0048] Figure 7 for Figure 6A partial enlarged schematic diagram of B in the middle;

[0049] Figure 8 for Figure 6 A partial enlarged schematic diagram of C in the middle.

[0050] Description of reference numerals:

[0051] 1-steam cover assembly; 101-steam hole; 102-steam cover; 103-handle;

[0052] 2-base assembly; 201-partition structure; 202-water storage space; 203-electrical appliance space; 204-second storage space;

[0053] 3-steaming rack assembly; 301-steaming rack body; 3011-through hole; 3012-first accommodating space; 3013-positioning structure; 302-assembly part;

[0054] 4-Evacuation device;

[0055] 5- air duct; 501- air extraction hole;

[0056] 6- Water tank;

[0057] 7- first sealing device;

[0058] 8- second sealing device;

[0059] 9-card connection block;

[0060] 10-Snap buckle. DETAILED DESCRIPTION

[0061] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0062] Combine the following Figures 1 to 8 , describing an embodiment of the utility model.

[0063] According to an embodiment of the utility model, there is provided an electric steamer, comprising:

[0064] A steam cover assembly 1, wherein a steam hole 101 is provided on the steam cover assembly 1, and the steam cover assembly 1 comprises a steam cover 102, wherein the steam cover 102 has a first state of being sealed and connected with the steam hole 101 and a second state of being separated from the steam hole 101;

[0065] The base assembly 2 is arranged below the steaming cover assembly 1;

[0066] The steaming rack assembly 3 is sealed between the base assembly 2 and the steaming cover assembly 1. The steaming rack assembly 3 and the steaming cover assembly 1 together form a receiving cavity, and the receiving cavity is suitable for placing food;

[0067] The vacuum assembly has a vacuum port, which is connected to the accommodating chamber and is suitable for evacuating the accommodating chamber to a vacuum state when the steam cover 102 is in the first state.

[0068] By sealing the steaming cover assembly 1, the base assembly 2 and the steaming rack assembly 3, the steam hole 101 on the steaming cover assembly 1 is sealed by the steam cover 102, and a vacuum assembly is provided, the vacuum assembly can evacuate the accommodating cavity to a vacuum state. When the user places food in the accommodating cavity and sets the electric steamer for reservation, since the electric steamer is in a vacuum state, the food in the electric steamer can be kept fresh, the food can be prevented from spoiling, and the user experience is improved.

[0069] Specifically, the steam cover 102 is in the form of a sealing plug. When the electric steamer needs to be vacuumed, the steam cover 102 is plugged into the steam hole 101 to seal the steam hole 101. This is the first state. When the food in the electric steamer needs to be cooked, the steam cover 102 is pulled out of the steam hole 101 to open the steam hole 101. This is the second state, so that the steam in the cooking process is discharged outward through the steam hole 101.

[0070] The steam cover 102 and the steam hole 101 are both arranged at the top of the steam cover assembly 1 . In order to facilitate the user to operate the steam cover assembly 1 , a handle 103 is also arranged at the top of the steam cover assembly 1 .

[0071] In order to facilitate the steam cover 102 to be plugged into the steam hole 101, the steam cover 102 can be in the form of a rubber plug. As a changeable embodiment, the steam cover 102 can also be in the form of a silicone plug.

[0072] like Figure 1 As shown, three steam holes 101 and three steam covers 102 are respectively provided, and they are arranged one to one. As a convertible embodiment, the steam holes 101 and the steam covers 102 can also be provided as one, two, or more, but they need to be arranged one to one, and there is no excessive restriction on the specific number of settings.

[0073] In order to facilitate the removal of the steam cover 102 from the steam hole 101, Figure 2 As shown, the steam cover 102 is configured to be T-shaped, including a vertical portion and a horizontal portion. The vertical portion is inserted into the steam hole 101, and the horizontal portion is disposed on the top outer side of the steam hole 101, so as to facilitate manual operation by the user to plug the steam cover 102 into the steam hole 101 and to pull the steam cover 102 out of the steam hole 101.

[0074] like Figure 6 As shown, the exhaust assembly in this embodiment is arranged in the base assembly 2. By arranging the exhaust assembly in the base assembly 2, all structural components of the electric steamer are located inside the electric steamer, and no additional components are arranged outside, thereby improving the aesthetics of the electric steamer. As a convertible embodiment, the exhaust assembly can also be arranged in the steaming cover assembly 1.

[0075] In other embodiments, the vacuum assembly may be arranged outside the steaming cover assembly 1 or the base assembly 2. However, in this case, the vacuum port of the vacuum assembly still needs to be connected to the accommodating cavity, and a through hole needs to be provided on the side wall of the steaming cover assembly 1 or the base assembly 2. In this case, a sealing device also needs to be provided at the through hole to ensure that the electric steamer is in the first state, thereby ensuring that the vacuum assembly can vacuum the interior of the electric steamer to preserve the food in the accommodating cavity.

[0076] The exhaust assembly includes: an exhaust device 4 having an exhaust port; an air duct 5 connected to the exhaust port, and an exhaust hole 501 is provided on the air duct 5, and the exhaust hole 501 is connected to the accommodating cavity. Specifically, the exhaust device 4 is a vacuum pump.

[0077] like Figure 6 As shown, the electric steamer includes a water tank 6; a water storage space 202 is provided in the base assembly 2, the water storage space 202 is connected to the water tank 6 and the accommodating cavity respectively, the air duct 5 is provided in the water storage space 202, and the air extraction hole 501 is higher than the highest water level line of the water storage space 202. Specifically, the water storage space 202 is a water tank.

[0078] By setting the air duct 5 in the water holding space 202 of the base assembly 2, the structure can be made more compact, and by setting the air extraction hole 501 higher than the highest water level line of the water holding space 202, it can prevent the water in the water holding space 202 from being extracted into the air duct 5 when the vacuum device 4 is evacuating air, thereby affecting the electrical components of the vacuum device 4 and causing damage to the vacuum device 4.

[0079] A partition structure 201 is provided in the base assembly 2 in the present embodiment, and the partition structure 201 divides the base assembly 2 into two parts, namely an upper water storage space 202 and a lower electrical appliance space 203, wherein the vacuum device 4 is arranged in the electrical appliance space 203, and the air duct 5 is arranged in the water storage space 202, and the position of the air suction hole 501 of the air duct 5 is arranged relatively high, so as to prevent the water in the water storage space 202 from entering the air duct 5 through the air suction hole 501, and then entering the vacuum device 4 to damage the vacuum device 4, and at the same time, it also prevents water from entering the electrical appliance space 203 to damage the whole machine controller panel of the electric steamer.

[0080] Specifically, the partition structure 201 is a partition plate, and a through hole is provided on the partition plate, and the through hole is provided for the air duct 5 to pass through. In order to prevent the water in the water storage space 202 from leaking into the electrical space 203, a sealing device, such as a sealing ring, can be provided between the through hole and the air duct 5. As a convertible embodiment, the partition structure 201 can also be a partition shell, and the partition shell encloses a receiving cavity, and the evacuation device 4 and other electrical components are provided in the receiving cavity to be separated from the water storage space 202.

[0081] like Figure 6 As shown, the length of the base assembly 2 of the electric steamer is set to be larger, and the length here refers to Figure 6 In terms of the left-right dimensions, the lengths of the steaming cover assembly 1 and the steaming rack assembly 3 are set relatively small, so that the water tank 6 can be arranged on the base assembly 2 and located on one side of the steaming cover assembly 1 and the steaming rack assembly 3, so that the overall structure of the electric steamer is more compact and the water tank 6 is conveniently connected to the water storage space 202.

[0082] There are many ways to assemble the steaming cover assembly 1 and the steaming rack assembly 3, such as Figure 3 and Figure 7 As shown, the bottom of the steaming cover assembly 1 in this embodiment is provided with a first matching structure; the steaming rack assembly 3 includes a steaming rack body 301, a plurality of through holes 3011 are provided on the steaming rack body 301, a second matching structure matched and connected to the first matching structure is provided on the top of the steaming rack body 301, and a first sealing device 7 is provided between the first matching structure and the second matching structure.

[0083] By arranging a second matching structure on the top of the steaming rack body 301 to be matched with the first matching structure at the bottom of the steaming cover assembly 1, the connection between the steaming rack assembly 3 and the steaming cover assembly 1 is facilitated, and by arranging a first sealing device 7 between the first matching structure and the second matching structure, the sealing effect between the steaming rack assembly 3 and the steaming cover assembly 1 is ensured.

[0084] The first matching structure is the peripheral wall of the steaming cover assembly 1 ; the second matching structure is the annular first accommodating space 3012 , and the bottom end of the peripheral wall of the steaming cover assembly 1 is inserted into the first accommodating space 3012 .

[0085] By setting the first matching structure as the peripheral wall of the steaming cover assembly 1, the original structure of the steaming cover assembly 1 is directly utilized without the need to set an additional matching structure on the steaming cover assembly 1, so that the overall structure of the electric steamer is simpler.

[0086] Specifically, the first accommodating space 3012 is a U-shaped groove, and the first sealing device 7 is arranged on both inner and outer sides of the bottom of the peripheral wall of the steaming cover assembly 1. The first sealing device 7 is an annular U-shaped sealing ring. As a convertible embodiment, it is also possible that the first accommodating space 3012 is an L-shaped groove, and the first sealing device 7 is arranged on one side of the bottom of the steaming cover.

[0087] In other embodiments, the first matching structure may be a first accommodating space 3012 opened upward from the bottom of the peripheral wall of the steaming cover assembly 1, and the first accommodating space 3012 may be a U-shaped groove; the second matching structure may be a positioning protrusion extending upward from the top of the steaming rack body 301, and the positioning protrusion is inserted into the U-shaped groove to realize the connection and assembly between the first matching structure and the second matching structure.

[0088] In other embodiments, the first matching structure and the second matching structure may be non-annular structures, but multiple matching structures are arranged at intervals along the circumferential direction, and the first matching structure and the second matching structure are arranged in a one-to-one correspondence.

[0089] There are many ways to assemble the base assembly 2 and the steaming rack assembly 3, such as Figure 3 and Figure 7 As shown, a third matching structure is provided at the top of the base assembly 2 in this embodiment; a fourth matching structure matched and connected to the third matching structure is provided at the bottom of the steaming rack body 301, and a second sealing device 8 is provided between the third matching structure and the fourth matching structure.

[0090] By setting a third matching structure on the top of the base assembly 2, a fourth matching structure matched with the third matching structure is set at the bottom of the steaming rack body 301, which facilitates the assembly of the steaming rack assembly 3 and the base assembly 2, and a second sealing device 8 is set between the third matching structure and the fourth matching structure to ensure the sealing effect between the steaming rack assembly 3 and the base assembly 2.

[0091] The third matching structure is the second accommodating space 204 , and the fourth matching structure is the positioning structure 3013 . The positioning structure 3013 is inserted into the second accommodating space 204 .

[0092] Specifically, the second accommodation space 204 is an L-shaped groove, and the second sealing device 8 is disposed outside the positioning structure 3013. As a convertible embodiment, the second accommodation space 204 may be a U-shaped groove, and the second sealing device 8 may be disposed inside and outside the positioning structure 3013.

[0093] Specifically, the positioning structure 3013 is a positioning rib. Figure 5 As shown, the positioning structure 3013 is a positioning rib extending downward from the bottom edge of the steaming rack body 301 .

[0094] Among them, the first accommodating space 3012 and the positioning structure 3013 are both arranged at the edge of the steaming rack body 301, and are arranged in a ring structure along the circumferential direction. A plurality of through holes 3011 are arranged in the middle of the steaming rack body 301. The arrangement of the first accommodating space 3012 and the positioning structure 3013 will not occupy the space where the through holes 3011 are arranged on the steaming rack body 301.

[0095] In other embodiments, the third matching structure may be a positioning protrusion extending upward from the top of the base assembly 2, and the fourth matching structure may be a second accommodating space 204 provided on the bottom of the steaming rack body 301, and the second accommodating space 204 may be a U-shaped groove, and the positioning protrusion may be inserted into the U-shaped groove to realize the connection and assembly between the third matching structure and the fourth matching structure.

[0096] In other embodiments, the third matching structure and the fourth matching structure may be non-annular structures, but multiple matching structures are arranged at intervals along the circumferential direction, and the third matching structure and the fourth matching structure are arranged one-to-one.

[0097] Since the steaming rack assembly 3 is arranged between the steaming cover assembly 1 and the base assembly 2, there are many ways to fix the steaming rack assembly 3 with the steaming cover assembly 1 and the base assembly 2. The steaming rack assembly 3 in this embodiment is respectively clamped with the steaming cover assembly 1 and the base assembly 2.

[0098] By respectively snap-connecting the steaming rack assembly 3 with the steaming cover assembly 1 and the base assembly 2, the connection relationship between the steaming rack assembly 3, the steaming cover assembly 1 and the base assembly 2 is simpler and more secure, and the assembly is also more convenient.

[0099] Of course, in other embodiments, the steaming rack assembly 3, the steaming cover assembly 1 and the base assembly 2 may also be connected in other fixing ways, such as magnetic connection.

[0100] Specifically, Figure 4 As shown, the steaming cover assembly 1 and the base assembly 2 are respectively provided with a clamping block 9; the steaming frame assembly 3 is provided with two buckles 10, one buckle 10 is clamped with the clamping block 9 on the steaming cover assembly 1, and the other buckle 10 is clamped with the clamping block 9 on the base assembly 2. As a convertible embodiment, one clamping block 9 may be correspondingly clamped with two or more buckles 10.

[0101] The outer side of the steaming rack assembly 3 is provided with an assembly portion 302, and buckles 10 are respectively provided on the upper and lower sides of the assembly portion 302. By directly arranging the buckles 10 on the upper and lower sides of the assembly portion 302, the structure is more compact. As a convertible embodiment, the buckle 10 and the assembly portion 302 can also be arranged on the outer side of the steaming rack body 301, and the buckle 10 and the assembly portion 302 are arranged at intervals along the circumferential direction.

[0102] The assembly portion 302 in this embodiment is a protrusion extending outward from the outside of the steaming frame body 301, which can be used as a handle of the steaming frame body 301, so that it is convenient for users to operate the steaming frame body 301 and to assemble the buckle 10. Of course, the assembly portion 302 can also be used as a handle of the steaming frame body 301 instead of being used as a handle of the steaming frame body 301, and a handle for user operation can be separately provided on the outside of the steaming frame body 301.

[0103] Specifically, one assembly part 302 is provided, which is arranged outside the steaming rack body 301, and a buckle 10 is respectively provided on the upper and lower sides of the assembly part 302. As a convertible embodiment, multiple assembly parts 302 can be provided along the circumferential direction, and one buckle 10 is respectively provided on the upper and lower sides of each assembly part 302, or multiple buckles 10 are respectively provided on the upper and lower sides of each assembly part 302.

[0104] For the specific structure of the buckle 10, please refer to Figure 4 The buckle 10 located on the upper side of the assembly part 302 includes a vertical part and a clamping part, the vertical part extends upward from the upper side of the assembly part 302, and the clamping part is arranged at the upper end of the vertical part, and is used to clamp the clamping block 9 on the steaming cover assembly 1. The buckle 10 located on the lower side of the assembly part 302 includes a vertical part and a clamping part, the vertical part extends downward from the lower side of the assembly part 302, and the clamping part is arranged at the lower end of the vertical part, and is used to clamp the clamping block 9 on the base assembly 2.

[0105] At the same time, in order to improve the strength of the fixed connection, each buckle 10 is also provided with a reinforcing rib on the outside, such as Figure 4 shown.

[0106] In order to achieve the purpose of vacuum preservation, the interior of the electric steamer needs to meet the vacuum setting. The vacuum device 4 draws the air inside the electric steamer from the exhaust hole 501 through the air duct 5 to make it reach a vacuum state. Since the interior of the whole machine needs to reach a vacuum state, the sealing of the steaming rack assembly 3 and the steaming cover assembly 1 is particularly important, and it is necessary to ensure that the seal is leak-proof.

[0107] When the steaming cover assembly 1 is installed above the steaming rack assembly 3, the first accommodating space 3012 on the steaming rack body 301 forms a seal with the first sealing device 7 and the bottom of the peripheral wall of the steaming cover assembly 1, and the clamping block 9 provided on the outer wall of the steaming cover assembly 1 and the buckle 10 provided on the steaming rack body 301 are buckled and assembled together, so that the outside air will not enter the inside of the electric steamer from between the steaming cover assembly 1 and the steaming rack assembly 3 to destroy the vacuum environment. The steam cover 102 also plays the same role. When it is necessary to open the steaming food later, it is only necessary to unplug the steam cover 102 at the steam hole 101, and the steam from the electric steamer can be transmitted to the outside from the steam hole 101 when the electric steamer is working.

[0108] The vacuum preservation environment inside the electric steamer is mainly achieved by the vacuum device 4 draining the air inside the electric steamer to form a vacuum. At the same time, the base assembly 2, the steaming cover assembly 1, and the steaming rack assembly 3 jointly rely on the sealing device and the steam cover 102 to maintain the vacuum environment.

[0109] The electric steamer in this embodiment is designed with an evacuation device 4 in the base assembly 2 of the current electric steamer. The evacuation device 4 is provided with an air duct 5 extending to above the water surface of the water storage space 202. A steam cover 102 is provided at the steam hole 101 of the steam cover assembly 1 to achieve sealing and reach a vacuum state, so as to delay the growth of microorganisms and the occurrence of chemical reactions, prevent food from getting damp or oxidized and deteriorating during the scheduled time period, so that food can be stored for a long time, and the effect of satisfying the user's long-term reservation without the food spoiling can be achieved.

[0110] Although the embodiments of the present invention are described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations are all within the scope defined by the appended claims.

Claims

1. An electric steamer, characterized in that: include: A steam cover assembly (1), wherein a steam hole (101) is provided on the steam cover assembly (1), wherein the steam cover assembly (1) comprises a steam cover (102), wherein the steam cover (102) has a first state of being sealed and connected to the steam hole (101) and a second state of being separated from the steam hole (101); A base assembly (2) is arranged below the steaming cover assembly (1); A steaming rack assembly (3) is sealed between the base assembly (2) and the steaming cover assembly (1), wherein the steaming rack assembly (3) and the steaming cover assembly (1) together form a receiving cavity, wherein the receiving cavity is suitable for placing food; A vacuum assembly, wherein the vacuum assembly has a vacuum port, the vacuum port is connected to the accommodating chamber, and is suitable for evacuating the accommodating chamber to a vacuum state when the steam cover (102) is in the first state.

2. The electric steamer according to claim 1, characterized in that: The air extraction component is arranged in the base component (2).

3. The electric steamer according to claim 2, characterized in that: The air extraction component comprises: An evacuation device (4) having the evacuation port; An air duct (5) is connected to the air suction port, and an air suction hole (501) is provided on the air duct (5), and the air suction hole (501) is communicated with the accommodating cavity.

4. The electric steamer according to claim 3, characterized in that: The electric steamer comprises a water tank (6); The base assembly (2) is provided with a water storage space (202), the water storage space (202) is communicated with the water tank (6) and the accommodating chamber respectively, the air duct (5) is provided in the water storage space (202), and the air extraction hole (501) is higher than the highest water level of the water storage space (202).

5. The electric steamer according to claim 4, characterized in that: A partition structure (201) is provided in the base assembly (2), and the partition structure (201) divides the base assembly (2) into the water storage space and the electrical appliance space, and the vacuum device (4) is arranged in the electrical appliance space.

6. The electric steamer according to any one of claims 1 to 5, characterized in that: The bottom of the steaming cover assembly (1) is provided with a first matching structure; The steaming rack assembly (3) comprises a steaming rack body (301), the steaming rack body (301) being provided with a plurality of through holes (3011), the top of the steaming rack body (301) being provided with a second matching structure matched with the first matching structure, and a first sealing device (7) being provided between the first matching structure and the second matching structure.

7. The electric steamer according to claim 6, characterized in that: A third matching structure is provided on the top of the base assembly (2); A fourth matching structure that is matched and connected to the third matching structure is provided at the bottom of the steaming rack body (301), and a second sealing device (8) is provided between the third matching structure and the fourth matching structure.

8. The electric steamer according to claim 7, characterized in that: The first matching structure is the peripheral wall of the steaming cover assembly (1); the second matching structure is an annular first accommodating space (3012), and the bottom end of the peripheral wall of the steaming cover assembly (1) is inserted into the first accommodating space (3012); And / or, the third matching structure is the second accommodating space (204), the fourth matching structure is a positioning structure (3013), and the positioning structure (3013) is inserted into the second accommodating space (204).

9. The electric steamer according to claim 8, characterized in that: The first accommodating space (3012) is a U-shaped groove, and the first sealing device (7) is arranged on both inner and outer sides of the bottom of the peripheral wall of the steaming cover assembly (1); And / or, the second accommodating space (204) is an L-shaped groove, and the second sealing device (8) is arranged on the outside of the positioning structure (3013); And / or, the positioning structure (3013) is a positioning rib; And / or, the positioning structure (3013) and the second accommodating space (204) are both annular structures.

10. The electric steamer according to any one of claims 1 to 5, characterized in that: The steaming rack assembly (3) is respectively snap-connected with the steaming cover assembly (1) and the base assembly (2).

11. The electric steamer according to claim 10, characterized in that: The steaming cover assembly (1) and the base assembly (2) are respectively provided with a clamping block (9); The steaming rack assembly (3) is provided with at least two buckles (10), and the buckles (10) are buckled with the buckling blocks (9).

12. The electric steamer according to claim 11, characterized in that: An assembly portion (302) is provided on the outer side of the steaming rack assembly (3), and the buckles (10) are respectively provided on the upper and lower sides of the assembly portion (302).