Sealing structure, cover body assembly and device with cover body assembly

Abstract

The utility model relates to the technical field of household appliances, and discloses a sealing structure, a cover body assembly and a device with the cover body assembly, the sealing structure comprises an upper sealing part, a lower sealing part and a side sealing part connecting the upper sealing part and the lower sealing part, and the upper sealing part, the lower sealing part and the lower sealing part define an annular cavity suitable for embedding of a piece to be sealed. The inner side of the upper sealing part and / or the lower sealing part is provided with a sealing face suitable for being in sealing contact with the first connecting piece, and the sealing face protrudes out of the end of the first connecting piece or is flush with the end of the first connecting piece. When the sealing structure is used for the kettle cover, water passes through the interior of the first connecting piece, and due to the fact that the sealing face protrudes out of the end of the first connecting piece or is flush with the end of the first connecting piece, sealing can be effectively achieved, and water is prevented from entering the kettle cover.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of household appliances, and particularly relates to a sealing structure, a cover assembly and a device with the cover assembly. BACKGROUND

[0002] The electric kettle cover is generally composed of a plastic cover and a stainless steel cover, and the stainless steel cover directly contacts with water vapor to ensure the sanitary requirement of the kettle. The water inlet in the middle of the cover can realize automatic water feeding. However, the cover in the related art is not tightly sealed, which can easily cause water to enter the cover. SUMMARY

[0003] Therefore, the utility model provides a sealing structure, a cover assembly and a device with the cover assembly to solve the problem that water easily enters the inside of the cover.

[0004] In a first aspect, the utility model provides a sealing structure, which comprises an upper sealing part, a lower sealing part and a side sealing part connecting the upper sealing part and the lower sealing part, the upper sealing part, the lower sealing part and the lower sealing part enclose a ring cavity suitable for embedding a sealed part, and the inner side of the upper sealing part and / or the lower sealing part has a sealing surface suitable for sealing contact with a first connecting part, and the sealing surface protrudes from the end of the first connecting part or is flush with the end of the first connecting part.

[0005] Beneficial effects: Since the upper sealing part, the lower sealing part and the lower sealing part enclose a ring cavity suitable for embedding a sealed part, the sealed part is embedded in the ring cavity, and the sealing structure is sealed on the upper and lower sides and the side of the magnet, the upper and lower sides and the side of the sealed part can be protected, and the inner side of the upper sealing part and / or the lower sealing part is suitable for sealing contact with the first connecting part, which can prevent water from entering the inside of the sealing structure. When the sealing structure is used in the cover, the inside of the first connecting part is used for water supply, and since the sealing surface protrudes from the end of the first connecting part or is flush with the end of the first connecting part, the sealing can be effectively realized, and the water in the inside of the cover can be prevented.

[0006] In an optional embodiment, the side sealing part is connected to the outer circumferential side of the upper sealing part and the lower sealing part.

[0007] Beneficial effects: The side sealing part is connected to the outer circumferential side of the upper sealing part and the lower sealing part, the sealed part can be surrounded inside, and the water flow to the sealed part can be effectively prevented. After the sealed part is assembled, the side sealing part and the sealing surface have a tendency to shrink towards the center of the sealing structure under the action of the sealed part, so that the sealing surface can maintain sealing contact with the first sealing part, and the sealing effect is improved.

[0008] In an alternative embodiment, the sealing structure further comprises a sealing connecting portion formed by extending upwardly from the inner end of the upper sealing portion, the sealing connecting portion is adapted to be embedded between the first connecting member and the second connecting member, and the inner side of the sealing connecting portion is adapted to be in sealing contact with the first connecting member, and the outer side of the sealing connecting portion is adapted to be in sealing contact with the second connecting member.

[0009] Beneficial effects: the sealing connecting portion is embedded between the first connecting member and the second connecting member, and the inner side of the sealing connecting portion is in sealing contact with the first connecting member, and the outer side of the sealing connecting portion is in sealing contact with the second connecting member, which can prevent water from passing through both sides of the sealing connecting portion, and further improve the sealing performance.

[0010] In an alternative embodiment, the sealing surface is provided with a first annular protrusion, which is adapted to abut against the first connecting member.

[0011] Beneficial effects: by providing the first annular protrusion on the sealing surface, the first annular protrusion abuts against the outer circumferential side of the first connecting member, which can further ensure the sealing between the sealing structure and the first connecting member.

[0012] In an alternative embodiment, the outer side of the sealing connecting portion is provided with a second annular protrusion, which is adapted to abut against the second connecting member.

[0013] Beneficial effects: by providing the second annular protrusion on the outer side of the sealing connecting portion, the second annular protrusion abuts against the second connecting member, which can further ensure the sealing between the sealing structure and the second connecting member. When the sealing structure is used for a kettle cover, it can effectively prevent water from entering the inside of the kettle cover.

[0014] In an alternative embodiment, the inner side and / or the outer side of the upper end of the sealing connecting portion is provided with a first chamfer.

[0015] Beneficial effects: by providing the first chamfer on the outer side of the upper end of the sealing connecting portion, it is convenient to make the sealing connecting portion enter the space inside the second connecting member. By providing the first chamfer on the outer side of the upper end of the sealing connecting portion, it is convenient for the sealing connecting portion to be sleeved outside the first connecting member.

[0016] In an alternative embodiment, the inner side of the lower end of the lower sealing portion is provided with a second chamfer.

[0017] Beneficial effects: by providing the second chamfer on the inner side of the lower end of the lower sealing portion, it is convenient to sleeve the sealing structure outside the first connecting member.

[0018] In an alternative embodiment, the inner side of the lower end of the lower sealing portion is provided with a second chamfer.

[0019] Beneficial effects: By setting the third chamfer inside the lower end of the upper sealing part, the sealing structure is facilitated to be sleeved outside the first connecting piece, and meanwhile the chamfer or the welding part integrally formed on the cover body by the first connecting piece can be avoided.

[0020] In a second aspect, the utility model provides a kind of cover body assembly, comprising:

[0021] First cover body is provided with through-hole;

[0022] Second cover body is connected with the first cover body, and one of the second cover body and the first cover body is provided with first connecting piece, the first connecting piece is cylindrical piece, and the other of the second cover body and the first cover body is abutted with the cylindrical piece, the inside of the cylindrical piece constitutes overflow passage, and the overflow passage is communicated with the through-hole;

[0023] The sealing structure is arranged on the outside of the cylindrical piece, and the sealing structure is in sealing contact with the outer circumferential side of the cylindrical piece.

[0024] Beneficial effects: since the other of the second cover body and the first cover body is abutted with the cylindrical piece, water can be prevented from entering the space between the first cover body and the second cover body, since the sealing structure is arranged on the outside of the cylindrical piece and in sealing contact with the outer circumferential side of the cylindrical piece, the sealing surface protrudes from or is flush with the end of the cylindrical piece, and the sealing can be further realized to prevent water from entering the inside of the cover body assembly.

[0025] In an alternative embodiment, the other of the second cover body and the first cover body is provided with second connecting piece, the second connecting piece is annular first rib, and the first rib surrounds outside the cylindrical piece.

[0026] Beneficial effects: the sealing connecting part of the sealing structure is embedded between the first rib and the cylindrical piece, which can block water from entering the space between the first cover body and the second cover body through the gap between the cylindrical piece and the second cover body or the first cover body, further improving the sealing effect, and the sealing connecting part of the sealing structure is embedded between the first rib and the cylindrical piece, the first rib cooperates with the cylindrical piece to limit the sealing connecting part, ensuring that the sealing connecting part can be attached to the cylindrical piece.

[0027] In an alternative embodiment, the first rib is formed by extending downward from the first cover body.

[0028] Beneficial effects: the first rib is integrally formed with the first cover body, and the structure is simple, with fewer parts.

[0029] In an alternative embodiment, the cover body assembly further comprises a magnet, and the magnet is embedded in the ring cavity.

[0030] Beneficial effects: Since the magnet is embedded in the ring cavity, the sealing structure is sealed on the upper and lower sides and the outer side of the magnet, the upper and lower sides and the outer side of the magnet can be protected, the water can be prevented from flowing to the surface of the magnet, thus the magnet can be prevented from rusting, and the magnetic attraction of the magnet is ensured.

[0031] In an alternative embodiment, the second cover body is provided with an annular groove, the annular groove surrounds the cylindrical member, and the sealing structure and the magnet are located in the annular groove.

[0032] Beneficial effects: By providing the annular groove on the second cover body, the sealing structure and the magnet are facilitated to be placed.

[0033] In an alternative embodiment, the diameter-height ratio of the annular groove is E, and E≤4.

[0034] Beneficial effects: The diameter-height ratio of the annular groove is less than or equal to 4, and the molding is more convenient.

[0035] In an alternative embodiment, the first cover body is a plastic cover, the second cover body is a stainless steel cover, and the cylindrical member is arranged on the stainless steel cover.

[0036] Beneficial effects: The second cover body is a stainless steel cover, the working surface of the second cover body can be in contact with food or water, and is more sanitary, the cylindrical member is arranged on the stainless steel cover, and the cylindrical member is also made of stainless steel, so that the water directly contacts the inside of the cylindrical member, and the sanitation is ensured.

[0037] In an alternative embodiment, the center of the second cover body is upwardly folded to form an annular second rib, and the cylindrical member is connected with the second rib integrally.

[0038] Beneficial effects: The second rib is provided to facilitate the connection with the cylindrical member, and the connection area with the cylindrical member is increased.

[0039] In a third aspect, the utility model also provides a device with a cover body assembly, which comprises:

[0040] The cover body assembly.

[0041] In an alternative embodiment, the device with the cover body assembly is an electric kettle. BRIEF DESCRIPTION OF DRAWINGS

[0042] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0043] Figure 1 A schematic view of a device with a lid assembly according to an embodiment of the present application;

[0044] Figure 2 A schematic view of a device with a lid assembly according to an embodiment of the present application when the lid assembly is open;

[0045] Figure 3 A schematic view of the first lid from one perspective;

[0046] Figure 4 A schematic view of the first lid from another perspective;

[0047] Figure 5 A schematic view of the second lid from one perspective; Figure 4 An enlarged view of D in

[0048] Figure 6 An enlarged view of E in Figure 4

[0049] A schematic view of the second lid from another perspective; Figure 7

[0050] Figure 8 A perspective cutaway view of a lid assembly according to an embodiment of the present application;

[0051] Figure 9 An exploded cutaway view of a lid assembly according to an embodiment of the present application;

[0052] Figure 10 A schematic view of a sealing structure in

[0053] Figure 11 A schematic view of a lid assembly according to an embodiment of the present application; Figure 10

[0054] A schematic view of a lid assembly according to an embodiment of the present application; Figure 12

[0055] A-A cutaway view of Figure 13 Figure 12 An enlarged view of F in

[0056] Figure 14 B-B cutaway view of Figure 13

[0057] C-C cutaway view of Figure 15 Figure 12

[0058] Figure 16 Figure 12

[0059] BRIEF DESCRIPTION OF THE DRAWINGS:​​​​​​

[0060] 1, first cover body; 101, first mounting surface; 102, first fixed buckle; 1021, first connecting part; 1022, second connecting part; 1023, third connecting part; 1024, fourth connecting part; 103, positioning groove; 104, rotating groove; 105, first connecting buckle; 1051, fifth connecting part; 1052, sixth connecting part; 1053, seventh connecting part; 10531, guide inclined surface; 10532, rotation stopping surface; 106, through hole; 107, first rib; 2, second cover body; 201, second mounting surface; 202, second fixed buckle; 203, second connecting buckle; 204, cylindrical part; 2041, overflow passage; 205, annular groove; 206, second rib; 207, working surface; 3, vertical surface; 4, first sealing element; 5, magnet; 6, sealing structure; 601, first annular convex rib; 602, sealing connecting part; 603, second annular convex rib; 604, first chamfer; 605, lower sealing part; 606, second chamfer; 607, upper sealing part; 608, third chamfer; 609, side sealing part; 610, annular concave cavity; 7, kettle body. DETAILED DESCRIPTION

[0061] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by the person skilled in the art without creative labor fall within the scope of protection of the present application.

[0062] The electric kettle cover is generally composed of a plastic cover and a stainless steel cover. The stainless steel cover directly contacts with water vapor to ensure the sanitary requirement of the kettle. The water inlet in the cover can realize automatic water feeding. The cover in the related art is not tightly sealed, which can easily cause water feeding in the cover.

[0063] The water inlet cover is provided above the water inlet, the water inlet cover is provided with a magnet, the cover is internally provided with a magnet, and the magnet in the cover and the magnet of the water inlet cover are matched to ensure that the water inlet cover covers the water inlet when water feeding is finished. When water enters the cover, the magnet in the cover can be rusted, which can affect the magnetic attraction.

[0064] The embodiments of the present application will be described below in conjunction with Figures 1 to 16

[0065] ​According to the embodiment of the utility model, first, a sealing structure 6 is provided, which comprises an upper sealing part 607, a lower sealing part 605, and a side sealing part 609 connecting the upper sealing part 607 and the lower sealing part 605. The upper sealing part 607, the lower sealing part 605, and the lower sealing part 605 form a ring cavity suitable for embedding a sealed part. The inner side of the upper sealing part 607 and / or the lower sealing part 605 has a sealing surface suitable for sealing contact with a first connecting part. The sealing surface protrudes from or is flush with the end of the first connecting part.

[0066] In this embodiment, the upper sealing part 607, the lower sealing part 605, and the lower sealing part 605 form a ring cavity suitable for embedding a sealed part. The sealed part is embedded in the ring cavity. The sealing structure 6 is sealed on the upper and lower sides and the side of the magnet 5. The upper and lower sides and the side of the sealed part can be protected. The inner side of the upper sealing part 607 and / or the lower sealing part 605 is suitable for sealing contact with the first connecting part. Water can be prevented from entering the inside of the sealing structure 6. When the sealing structure 6 is used for a kettle cover, the inside of the first connecting part is used for water supply. Since the sealing surface protrudes from or is flush with the end of the first connecting part, the sealing can be effectively realized, and water can be prevented from entering the inside of the kettle cover.

[0067] In one embodiment, the side sealing part 609 is connected to the outer circumferential side of the upper sealing part 607 and the lower sealing part 605.

[0068] In this embodiment, the side sealing part 609 is connected to the outer circumferential side of the upper sealing part 607 and the lower sealing part 605. The sealed part can be wrapped inside, effectively preventing water from flowing onto the sealed part. After the sealed part is assembled, the side sealing part 609 and the sealing surface have a tendency to shrink towards the center of the sealing structure 6 under the action of the sealed part, so that the sealing surface can maintain sealing contact with the first sealed part 4, and the sealing effect is improved.

[0069] In one embodiment, the sealing structure 6 further comprises a sealing connecting part 602 formed by extending the inner end of the upper sealing part 607 upwards. The sealing connecting part 602 is suitable for being embedded between the first connecting part and the second connecting part. The inner side of the sealing connecting part 602 is suitable for sealing contact with the first connecting part. The outer side of the sealing connecting part 602 is suitable for sealing contact with the second connecting part.

[0070] In this embodiment, the sealing connecting part 602 is embedded between the first connecting part and the second connecting part. The inner side of the sealing connecting part 602 is in sealing contact with the first connecting part. The outer side of the sealing connecting part 602 is in sealing contact with the second connecting part. Water can be prevented from passing through both sides of the sealing connecting part 602, further improving the sealing performance.

[0071] In one embodiment, the sealing surface is provided with a first annular rib 601 adapted to abut against the first connecting member.

[0072] In this embodiment, by providing the sealing surface with the first annular rib 601 abutting against the outer circumferential side of the first connecting member, the sealing between the sealing structure 6 and the first connecting member can be further ensured.

[0073] In one embodiment, the outer side of the sealing connecting part 602 is provided with a second annular rib 603 adapted to abut against the second connecting member.

[0074] In this embodiment, by providing the outer side of the sealing connecting part 602 with the second annular rib 603 abutting against the second connecting member, the sealing between the sealing structure 6 and the second connecting member can be further ensured. When the sealing structure 6 is used for a kettle cover, water can be effectively prevented from entering the inside of the kettle cover.

[0075] In one embodiment, the inner side and / or the outer side of the upper end of the sealing connecting part 602 is provided with a first chamfer 604.

[0076] In this embodiment, by providing the outer side of the upper end of the sealing connecting part 602 with the first chamfer 604, the sealing connecting part 602 is facilitated to enter the space inside the second connecting member. By providing the outer side of the upper end of the sealing connecting part 602 with the first chamfer 604, the sealing connecting part 602 is facilitated to be sleeved outside the first connecting member.

[0077] In one embodiment, the inner side of the lower end of the lower sealing part 605 is provided with a second chamfer 606.

[0078] In this embodiment, by providing the inner side of the lower end of the lower sealing part 605 with the second chamfer 606, the sealing structure 6 is facilitated to be sleeved outside the first connecting member.

[0079] In one embodiment, the inner side of the lower end of the upper sealing part 607 is provided with a third chamfer 608.

[0080] In this embodiment, by providing the inner side of the lower end of the upper sealing part 607 with the third chamfer 608, the sealing structure 6 is facilitated to be sleeved outside the first connecting member, and meanwhile, the chamfer or the welding part integrally formed on the cover body by the first connecting member can be avoided.

[0081] According to the embodiments of the present application, in a second aspect, a cover body assembly is provided, which comprises a first cover body 1, a second cover body 2 and the sealing structure 6 provided in the above embodiments.

[0082] The first cover 1 is provided with a through hole 106; the second cover 2 is connected with the first cover 1, one of the first cover 1 and the second cover 2 is provided with a cylindrical part 204, the other of the first cover 1 and the second cover 2 is in abutment with the cylindrical part 204, the inner side of the cylindrical part 204 constitutes a flow passage 2041, the flow passage 2041 and the through hole 106 are in communication; the sealing structure 6 is arranged on the outer side of the cylindrical part 204, and the sealing structure 6 is in sealing contact with the outer peripheral side of the cylindrical part 204.

[0083] In this embodiment, since the other of the first cover 1 and the second cover 2 is in abutment with the cylindrical part 204, water can be prevented from entering the space between the first cover 1 and the second cover 2, and since the sealing structure 6 is arranged on the outer side of the cylindrical part 204 and is in sealing contact with the cylindrical part 204, the sealing surface is protruded from or flush with the end of the cylindrical part 204, so that the sealing can be further realized, and water can be prevented from entering the inside of the cover assembly.

[0084] Specifically, in one embodiment, as shown in Figure 9 , Figure 10 , Figure 13 , Figure 14 , the cylindrical part 204 is arranged on the second cover 2, and the cylindrical part 204 is in abutment with the first cover 1.

[0085] In an embodiment not shown in the drawings, the cylindrical part 204 can be arranged on the first cover 1, and the cylindrical part 204 is in abutment with the second cover 2. In this embodiment, the second cover 2 needs to be further provided with a flow hole opposite to the through hole 106.

[0086] Specifically, in one embodiment, the first cover 1 is a plastic cover, and the second cover 2 is a stainless steel or other food-grade metal cover.

[0087] Specifically, in one embodiment, the sealing object is a magnet 5.

[0088] In one embodiment, the cover assembly comprises the magnet 5, and the magnet 5 is embedded in the annular cavity of the sealing structure 6.

[0089] In this embodiment, since the sealing structure 6 is sealed on the upper and lower sides and the outer side of the magnet 5, the upper and lower sides and the outer side of the magnet 5 can be protected, and since the sealing structure 6 is in sealing contact with the cylindrical part 204, water can be prevented from flowing to the inner side surface of the magnet 5 through the gap between the sealing structure 6 and the cylindrical part 204, so that the magnet 5 can be prevented from rusting, and the magnetic attraction force of the magnet 5 can be ensured.

[0090] In one embodiment, as shown in Figure 11 and Figure 14 , the sealing surface is provided with a first annular protruding rib 601, and the first annular protruding rib 601 is in abutment with the cylindrical part 204.

[0091] In this embodiment, by arranging the first annular protrusion 601 on the sealing surface, the first annular protrusion 601 abuts against the cylindrical part 204, which can further ensure the sealing between the sealing structure 6 and the cylindrical part 204, prevent water from entering the inside of the cover assembly, and prevent water from flowing to the inner side surface of the magnet 5 through the gap between the sealing structure 6 and the cylindrical part 204, thus further preventing the magnet 5 from rusting and ensuring the magnetic attraction of the magnet 5.

[0092] In one embodiment, the other one of the first cover 1 and the second cover 2 is provided with a second connecting part, which is an annular first rib 107 surrounding the outside of the cylindrical part 204, and the sealing structure 6 comprises a sealing connecting part 602 embedded between the first rib 107 and the cylindrical part 204.

[0093] In this embodiment, the sealing connecting part 602 of the sealing structure 6 is embedded between the first rib 107 and the cylindrical part 204, which can block water from entering the space between the first cover 1 and the second cover 2 through the gap between the cylindrical part 204 and the second cover 2 or the first cover 1, further improving the sealing effect, and the sealing connecting part 602 of the sealing structure 6 is embedded between the first rib 107 and the cylindrical part 204, the first rib 107 cooperates with the cylindrical part 204 to limit the sealing connecting part 602, ensuring that the sealing connecting part 602 can be attached to the cylindrical part 204.

[0094] Specifically, in one embodiment, the sealing connecting part 602 is embedded between the first rib 107 and the cylindrical part 204, and abuts against the other one of the second cover 2 and the first cover 1.

[0095] Specifically, in one embodiment, the cylindrical part 204 is arranged on the second cover 2, the sealing connecting part 602 of the sealing structure 6 is embedded between the first rib 107 and the cylindrical part 204, and abuts against the first cover 1, which can block water from entering the space between the first cover 1 and the second cover 2 through the gap between the cylindrical part 204 and the first cover 1, further improving the sealing effect, and the sealing connecting part 602 of the sealing structure 6 is embedded between the first rib 107 and the cylindrical part 204, the first rib 107 cooperates with the cylindrical part 204 to limit the sealing connecting part 602, ensuring that the sealing connecting part 602 can be attached to the cylindrical part 204 and abut against the first cover 1.

[0096] Specifically in one embodiment, the first cover 1 and the second cover 2 are connected by rotating clamping, and the position of the rotating clamping is located away from the periphery of the magnet, so that the periphery of the first cover 1 and the second cover 2 is not subjected to a large force, especially in the up-down direction, the force between the first cover 1 and the second cover 2 is not large, and if the sealing structure 6 such as a sealing ring is arranged between the cylindrical part 204 and the first cover 1, the sealing effect is not very good. In the embodiment, the sealing structure 6 is sealed from the side of the abutting position of the cylindrical part 204 and the first cover 1, and the sealing effect is better.

[0097] In one embodiment, the outer side of the sealing connecting part 602 is provided with a second annular rib 603, and the second annular rib 603 abuts against the first rib 107.

[0098] In the embodiment, by arranging the second annular rib 603 on the outer side of the sealing connecting part 602, the second annular rib 603 abuts against the first rib 107, so that the sealing between the sealing connecting part 602 and the first rib 107 is further ensured, and water is prevented from entering the space between the first cover 1 and the second cover 2.

[0099] In one embodiment, the outer side and / or the inner side of the upper end of the sealing connecting part 602 is provided with a first chamfer 604.

[0100] In the embodiment, by arranging the first chamfer 604 on the outer side of the upper end of the sealing connecting part 602, the sealing connecting part 602 is facilitated to enter the inner side of the first rib 107. By arranging the first chamfer 604 on the inner side of the upper end of the sealing connecting part 602, the sealing connecting part 602 is facilitated to be sleeved outside the cylindrical part 204.

[0101] Specifically in one embodiment, the cylindrical part 204 is arranged on the second cover 2, during assembly, the magnet 5 is first arranged inside the sealing structure 6, then the magnet 5 and the sealing structure 6 are sleeved outside the cylindrical part 204 as a whole, then the first cover 1 and the second cover 2 are connected, and by arranging the first chamfer 604 on the outer side of the end of the sealing connecting part 602, the sealing connecting part 602 is facilitated to enter the inner side of the first rib 107.

[0102] In one embodiment, the sealing structure 6 includes a lower sealing part 605 sealed to the lower side of the magnet 5, and the inner side of the lower end of the lower sealing part 605 is provided with a second chamfer 606.

[0103] In the embodiment, by arranging the second chamfer 606 on the inner side of the lower end of the lower sealing part 605, the magnet 5 and the sealing structure 6 are facilitated to be sleeved outside the cylindrical part 204 as a whole.

[0104] Specifically in one embodiment, the second cover 2 is folded upwards in the center to form a ring-shaped second rib 206, the cylindrical member 204 is integrally connected with the second rib 206, and the second chamfer 606 is arranged to facilitate the sealing structure 6 to be sleeved outside the second rib 206.

[0105] In one embodiment, the sealing structure 6 includes an upper sealing portion 607 located on the upper side of the magnet 5, the sealing connecting portion 602 is connected to the upper side of the upper sealing portion 607, and the inner side of the lower end of the upper sealing portion 607 is provided with a third chamfer 608.

[0106] In this embodiment, by arranging the third chamfer 608 on the inner side of the lower end of the upper sealing portion 607, the sealing structure 6 is facilitated to be sleeved outside the cylindrical member 204, and meanwhile, the chamfer or the welding portion integrally formed on the second cover by the cylindrical member 204 can be avoided.

[0107] Specifically in one embodiment, the cylindrical member 204 is arranged on the second cover 2, during assembly, the magnet 5 is first arranged inside the sealing structure 6, and then the magnet 5 and the sealing structure 6 are sleeved outside the cylindrical member 204, and the second chamfer 606 and the third chamfer 608 are arranged to facilitate the magnet 5 and the sealing structure 6 to be sleeved outside the cylindrical member 204.

[0108] In one embodiment, the sealing structure 6 further includes a side sealing portion 609, the side sealing portion 609 is connected with the upper sealing portion 607 and the lower sealing portion 605, the side sealing portion 609, the upper sealing portion 607 and the lower sealing portion 605 surround to form a ring-shaped recess 610, during assembly, the magnet 5 is assembled in the ring-shaped recess 610, and after the magnet 5 is assembled in the ring-shaped recess 610, the upper and lower surfaces and the outer side surface of the magnet 5 are free of gaps with the sealing structure 6.

[0109] In one embodiment, the second cover 2 is provided with a ring-shaped groove 205, the ring-shaped groove 205 surrounds the cylindrical member 204, and the sealing structure 6 and the magnet 5 are located in the ring-shaped groove 205.

[0110] In this embodiment, by arranging the ring-shaped groove 205 on the second cover 2, the sealing structure 6 and the magnet 5 are facilitated to be placed.

[0111] In one embodiment, the diameter-height ratio of the ring-shaped groove 205 is E, and E≤4.

[0112] In this embodiment, the diameter-height ratio of the ring-shaped groove 205 is less than or equal to 4, and the processing and forming are relatively convenient.

[0113] Specifically in one embodiment, the diameter-height ratio of the ring-shaped groove 205 is 2.

[0114] Specifically in one embodiment, the diameter-height ratio of the ring-shaped groove 205 is 4.

[0115] In one embodiment, the first cover 1 is a plastic cover, the second cover 2 is a stainless steel cover, and the cylindrical member 204 is arranged on the stainless steel cover.

[0116] In this embodiment, the second cover 2 is a stainless steel cover, and the working surface 207 of the second cover 2 can be in contact with food or water, which is more sanitary. The cylindrical member 204 is arranged on the stainless steel cover, and the cylindrical member 204 is also made of stainless steel. The water inlet directly contacts the inside of the cylindrical member 204, which can ensure hygiene.

[0117] In one embodiment, the center of the second cover 2 is upwardly folded to form an annular second rib 206, and the cylindrical member 204 is connected with the second rib 206 as a whole.

[0118] In this embodiment, the second rib 206 is arranged to facilitate the connection with the cylindrical member 204, thereby increasing the connection area with the cylindrical member 204.

[0119] In one embodiment, the cylindrical member 204 is welded with the second rib 206.

[0120] In one embodiment, the cylindrical member 204 is integrally formed with the second rib 206.

[0121] In an alternative embodiment, the second rib 206 can not be arranged, and the cylindrical member 204 is integrally formed with the second cover 2.

[0122] In one embodiment, the first cover 1 has a first mounting surface 101, and the first mounting surface 101 is provided with a first connecting structure; the second cover 2 has a second mounting surface 201, and the second mounting surface 201 is provided with a second connecting structure. The first connecting structure and the second connecting structure are rotationally buckled. The assembly of the first cover 1 and the second cover 2 is simple and convenient. The second mounting surface 201 faces the first mounting surface 101, and no mounting structure can be seen from the side of the second cover 2 away from the first cover 1. The appearance is beautiful, and the number of parts is only the first cover 1 and the second cover 2, which is less and has a lower cost.

[0123] In one embodiment, the second cover 2 is made of a food-grade metal material, which can be directly in contact with food or water. The side of the second cover 2 in contact with food or water has no mounting structure, and the appearance is beautiful.

[0124] In one embodiment, as Figures 4 to 7The first connecting structure comprises a first fixed buckle 102, and a positioning groove 103 and a rotating groove 104 are formed between the first fixed buckle 102 and the first mounting surface 101. The second connecting structure comprises a second fixed buckle 202, and the second mounting surface 201 is an annular surface. The second fixed buckle 202 is a first tongue arranged on the inner side of the second mounting surface 201. The first tongue is adapted to be embedded in the positioning groove 103 and rotated along the rotating groove 104.

[0125] In this embodiment, when connecting the first cover 1 and the second cover 2, the second cover 2 is first buckled on the first cover 1, so that the first tongue is embedded in the positioning groove 103. Then, the first cover 1 or the second cover 2 is rotated, so that the first tongue enters the rotating groove 104. The positioning groove 103 can be quickly positioned, and the rotating groove 104 can limit the up-down direction of the first tongue, thereby preventing the second cover 2 from falling off the first cover 1.

[0126] In one embodiment, as shown in Figure 5 The first fixed buckle 102 comprises a first connecting part 1021, a second connecting part 1022, a third connecting part 1023, and a fourth connecting part 1024. The first connecting part 1021 is protrudingly arranged on the first mounting surface 101. The second connecting part 1022 is connected with the first connecting part 1021 away from the first mounting surface 101 and extends in the circumferential direction. The second connecting part 1022 forms the rotating groove 104 with the first mounting surface 101. The third connecting part 1023 is connected with the second connecting part 1022 close to the center of the first mounting surface 101 and extends in the circumferential direction. The fourth connecting part 1024 connects the first mounting surface 101 and the third connecting part 1023. The second connecting part 1022, the third connecting part 1023, and the fourth connecting part 1024 enclose the positioning groove 103.

[0127] In this embodiment, when connecting the first cover 1 and the second cover 2, the second cover 2 is first buckled on the first cover 1, so that the first tongue is embedded in the positioning groove 103. Then, the first cover 1 or the second cover 2 is rotated, so that the first tongue enters the rotating groove 104. The second connecting part 1022 and the first mounting surface 101 cooperate to limit the up-down direction of the first tongue, thereby preventing the second cover 2 from falling off the first cover 1.

[0128] In one embodiment, the first connecting structure further comprises a first connecting buckle 105, and the second connecting structure further comprises a second connecting buckle 203. The first tongue is located behind the rotating groove 104. The second connecting buckle 203 cooperates with the first connecting buckle 105 to prevent the first tongue from rotating in the direction of the positioning groove 103.

[0129] In this embodiment, when connecting the first cover 1 and the second cover 2, the second cover 2 is first buckled on the first cover 1, so that the first tongue is embedded in the positioning groove 103, then the first cover 1 or the second cover 2 is rotated, so that the first tongue enters the rotating groove 104, the rotating groove 104 can limit the up-down direction of the first tongue, preventing the second cover 2 from falling off the first cover 1, at the same time, the second connecting buckle 203 cooperates with the first connecting buckle 105 to prevent the first tongue from rotating towards the positioning groove 103, so as to prevent the first tongue from leaving the rotating groove 104. Therefore, the cooperation of the first fixed buckle 102 and the second fixed buckle 202, and the cooperation of the first connecting buckle 105 and the second connecting buckle 203 can fix the connection of the first cover 1 and the second cover 2 in the circumferential direction and the up-down direction, preventing loosening during use.

[0130] In one embodiment, as shown in Figure 6 and Figure 16 , the first connecting buckle 105 is a elastic hook, and the second connecting buckle 203 is a second tongue arranged on the inner side of the second mounting surface 201, the first tongue is located behind the rotating groove 104, and the elastic hook hooks the second tongue.

[0131] In this embodiment, when connecting the first cover 1 and the second cover 2, the second cover 2 is first buckled on the first cover 1, so that the first tongue is embedded in the positioning groove 103, then the first cover 1 or the second cover 2 is rotated, so that the first tongue enters the rotating groove 104, the rotating groove 104 can limit the up-down direction of the first tongue, preventing the second cover 2 from falling off the first cover 1, at the same time, the elastic hook hooks the second tongue, preventing the first tongue from rotating towards the positioning groove 103, so as to prevent the first tongue from leaving the rotating groove 104. Therefore, the cooperation of the first fixed buckle 102 and the second fixed buckle 202, and the cooperation of the first connecting buckle 105 and the second connecting buckle 203 can fix the connection of the first cover 1 and the second cover 2 in the circumferential direction and the up-down direction, preventing loosening during use.

[0132] In one embodiment, the first connecting buckle 105 includes a fifth connecting part 1051, a sixth connecting part 1052 and a seventh connecting part 1053, the fifth connecting part 1051 is protrudingly arranged on the first mounting surface 101, the sixth connecting part 1052 is connected with the top of the fifth connecting part 1051 and extends towards one side of the fifth connecting part 1051, the seventh connecting part 1053 is connected with one end of the sixth connecting part 1052 away from the fifth connecting part 1051 and extends towards the first mounting surface 101, the seventh connecting part 1053 has a gap with the first mounting surface 101, the first tongue is located behind the rotating groove 104, and the seventh connecting part 1053 hooks the second tongue.

[0133] In this embodiment, when connecting the first cover 1 and the second cover 2, the second cover 2 is first buckled on the first cover 1, the first tongue is embedded in the positioning groove 103, then the first cover 1 or the second cover 2 is rotated, the first tongue enters the rotating groove 104, the rotating groove 104 can limit the up-down direction of the first tongue, preventing the second cover 2 from falling off the first cover 1, at the same time, the seventh connecting part 1053 elastically deforms towards the direction away from the first mounting surface 101, so that the second tongue passes over the seventh connecting part 1053, after passing over the seventh connecting part 1053, the seventh connecting part 1053 restores to the original position to hook the second tongue, preventing the first tongue from rotating towards the positioning groove 103, which can prevent the first tongue from leaving the rotating groove 104.

[0134] Specifically, in one embodiment, as shown in the drawings, in the circumferential direction, the first connecting buckle 105 is located between two first fixed buckles 102, and the sixth connecting part 1052 of the first connecting buckle 105 extends towards the first connecting part 1021 of one of the first connecting buckles 105. Figure 4

[0135] In one embodiment, one end of the seventh connecting part 1053 towards the first mounting surface 101 is provided with a guide inclined surface 10531.

[0136] In this embodiment, by providing the guide inclined surface 10531 at one end of the seventh connecting part 1053 towards the first mounting surface 101, when the second cover 2 is rotated, when the second tongue contacts the guide inclined surface 10531, it will slide relative to the guide inclined surface 10531, causing the seventh connecting part 1053 to elastically deform, after the second tongue passes over the seventh connecting part 1053, the seventh connecting part 1053 restores to the original position to hook the second tongue, preventing the first tongue from rotating towards the positioning groove 103.

[0137] In one embodiment, one side of the seventh connecting part 1053 towards the fifth connecting part 1051 is a rotation-stopping surface 10532, the angle between the vertical surface 3 perpendicular to the first mounting surface 101 and the rotation-stopping surface 10532 is α, the friction coefficient between the second tongue and the rotation-stopping surface 10532 is μ, and μ>tanα.

[0138] In this embodiment, the angle between the vertical surface 3 perpendicular to the first mounting surface 101 and the rotation-stopping surface 10532 is α, the friction coefficient between the second tongue and the rotation-stopping surface 10532 is μ, and μ>tanα, when the second cover 2 is subjected to a rotational force, the second tongue cannot be disengaged from the elastic hook.

[0139] ​Specifically, assuming that the gyroscopic force is F, the normal pressure of the second tongue on the rotation-stopping surface 10532 is N, the resultant force of F and N is F1, F1=N*tan alpha, the frictional resistance of the second tongue and the rotation-stopping surface 10532 is f, and the friction coefficient is mu, if the second tongue cannot be pulled out, it is required to satisfy f>F1, N*mu>N*tan alpha, and thus mu>tan alpha is obtained.

[0140] In one embodiment, the second cover 2 is sealingly connected with the first cover 1 through the first sealing member 4.

[0141] In this embodiment, the second cover 2 is sealingly connected with the first cover 1 through the first sealing member 4, so that water or foreign matters can be prevented from entering the space between the first cover 1 and the second cover 2.

[0142] Specifically, in one embodiment, the first cover 1 has a sealing ring mounting groove, the first sealing member 4 is mounted in the sealing ring mounting groove and has a part exposed, and after the first cover 1 and the second cover 2 are assembled, the first sealing member 4 abuts against the second cover 2.

[0143] The first sealing member 4 is specifically an O-shaped sealing ring.

[0144] In one embodiment, the first cover 1 is a plastic cover, and the second cover 2 is a stainless steel cover.

[0145] In this embodiment, the second cover 2 is a stainless steel cover, and the working surface 207 of the second cover 2 can be in contact with food or water, which is more sanitary.

[0146] In one embodiment, the second cover 2 has a working surface 207, and the working surface 207 is integrally formed with the second mounting surface 201 by stamping or is connected with the second mounting surface 201 by welding or riveting.

[0147] In this embodiment, the working surface 207 is integrally formed with the second mounting surface 201 by stamping or is connected with the second mounting surface 201 by welding or riveting, and the structure of the second cover 2 is simple and has a small number of whole parts.

[0148] According to the embodiments of the utility model, on the other hand, a device with a cover assembly is also provided, which comprises the cover assembly provided in the above embodiments.

[0149] In this embodiment, since the second cover 2 abuts against the other one of the first cover 1 and the cylindrical member 204, water can be prevented from entering the space between the first cover 1 and the second cover 2, since the sealing structure 6 seals the upper and lower sides and the outer side of the magnet 5, the upper and lower sides and the outer side of the magnet 5 can be protected, since the sealing structure 6 is in sealing contact with the cylindrical member 204, water can be prevented from flowing to the inner side surface of the magnet 5 through the gap between the sealing structure 6 and the cylindrical member 204, thus the magnet 5 can be prevented from rusting, and the magnetic attraction of the magnet 5 can be ensured.

[0150] In one embodiment, the device with the cover assembly is an electric kettle, and the electric kettle comprises the cover assembly and a kettle body 7.

[0151] In one embodiment, since the second cover 2 of the electric kettle abuts against the other one of the first cover 1 and the cylindrical member 204, water can be prevented from entering the space between the first cover 1 and the second cover 2, since the sealing structure 6 seals the upper and lower sides and the outer side of the magnet 5, the upper and lower sides and the outer side of the magnet 5 can be protected, since the sealing structure 6 is in sealing contact with the cylindrical member 204, water can be prevented from flowing to the inner side surface of the magnet 5 through the gap between the sealing structure 6 and the cylindrical member 204, thus the magnet 5 can be prevented from rusting, and the magnetic attraction of the magnet 5 can be ensured.

[0152] Although the embodiments of the present application are described in conjunction with the drawings, various modifications and changes can be made by those skilled in the art without departing from the spirit and scope of the present application, and such modifications and changes are intended to fall within the scope of the present application.

Claims

1. A sealing structure, characterized in that, The device includes an upper sealing portion (607), a lower sealing portion (605), and a side sealing portion (609) connecting the upper sealing portion (607) and the lower sealing portion (605). The upper sealing portion (607), the lower sealing portion (605), and the lower sealing portion (605) form an annular cavity suitable for embedding the component to be sealed. The inner side of the upper sealing portion (607) and / or the lower sealing portion (605) has a sealing surface suitable for sealing contact with the first connector. The sealing surface protrudes from the end of the first connector or is flush with the end of the first connector.

2. The sealing structure according to claim 1, characterized in that, The side sealing part (609) is connected to the outer periphery of the upper sealing part (607) and the lower sealing part (605).

3. The sealing structure according to claim 2, characterized in that, The sealing structure (6) further includes a sealing connection portion (602) formed by extending upward from the inner end of the upper sealing portion (607). The sealing connection portion (602) is adapted to be embedded between the first connector and the second connector, and the inner side of the sealing connection portion (602) is adapted to be in sealing contact with the first connector, and the outer side of the sealing connection portion (602) is adapted to be in sealing contact with the second connector.

4. The sealing structure according to claim 3, characterized in that, The sealing surface is provided with a first annular rib (601), which is adapted to abut against the first connector.

5. The sealing structure according to claim 3, characterized in that, The outer side of the sealing connection part (602) is provided with a second annular rib (603), which is adapted to abut against the second connector.

6. The sealing structure according to any one of claims 3 to 5, characterized in that, The upper inner and / or outer sides of the sealing connection part (602) are provided with a first chamfer (604).

7. The sealing structure according to any one of claims 1 to 5, characterized in that, The lower sealing part (605) has a second chamfer (606) on the inner side of its lower end.

8. The sealing structure according to any one of claims 1 to 5, characterized in that, The lower end of the upper sealing part (607) is provided with a third chamfer (608).

9. A cover assembly, characterized in that, include: The first cover (1) is provided with a through hole (106); The second cover (2) is connected to the first cover (1). One of the second cover (2) and the first cover (1) is provided with a first connecting member. The first connecting member is a cylindrical member (204). The other of the second cover (2) and the first cover (1) abuts against the cylindrical member (204). The inner side of the cylindrical member (204) forms a flow channel (2041). The flow channel (2041) is connected to the through hole (106). The sealing structure (6) according to any one of claims 1 to 8 is disposed on the outside of the cylindrical member (204), and the sealing structure (6) is in sealing contact with the outer peripheral side of the cylindrical member (204).

10. The cover assembly according to claim 9, characterized in that, The second cover (2) and the other of the first cover (1) are provided with a second connecting member, which is an annular first rib (107) that surrounds the cylindrical member (204).

11. The cover assembly according to claim 10, characterized in that, The first rib (107) is formed by extending downward from the first cover (1).

12. The cover assembly according to any one of claims 9 to 11, characterized in that, The cover assembly also includes a magnet (5) embedded in the annular cavity.

13. The cover assembly according to claim 12, characterized in that, The second cover (2) is provided with an annular groove (205), which surrounds the cylindrical member (204), and the sealing structure (6) and the magnet (5) are located in the annular groove (205).

14. The cover assembly according to claim 13, characterized in that, The diameter to height ratio of the annular groove (205) is E, where E≤4.

15. The cover assembly according to any one of claims 9 to 11, 13, and 14, characterized in that, The first cover (1) is a plastic cover, the second cover (2) is a stainless steel cover, and the cylindrical member (204) is disposed on the stainless steel cover.

16. The cover assembly according to claim 15, characterized in that, The center of the second cover (2) is folded upward to form a ring-shaped second rib (206), and the cylindrical member (204) is connected to the second rib (206) as a whole.

17. A device having a cover assembly, characterized in that, include: The cover assembly according to any one of claims 9 to 16.

18. The device having a cover assembly according to claim 17, characterized in that, The device with the lid assembly is an electric kettle.

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