CN107485284B

CN107485284B - Electric heating kettle

Info

Publication number: CN107485284B
Application number: CN201710954938.0A
Authority: CN
Inventors: 吴凌杰
Original assignee: Ningbo Frank Electric Co Ltd
Current assignee: Ningbo Frank Electric Co Ltd
Priority date: 2017-10-13
Filing date: 2017-10-13
Publication date: 2020-01-14
Anticipated expiration: 2037-10-13
Also published as: CN107485284A

Abstract

The invention discloses an electric kettle, which solves the problem that the heat preservation effect of the electric kettle in the prior art is not ideal. The technical scheme is that the electric kettle comprises a kettle body, a kettle cover, a heating component and a temperature control component, wherein the kettle body comprises a plastic shell and a metal inner container fixed in the plastic shell, a kettle opening is formed in the upper end of the plastic shell, a first limiting part is installed on the inner side wall of the plastic shell, the plastic shell is provided with a water guide sleeve, the lower end of the water guide sleeve is fixed on the first limiting part, the upper end of the water guide sleeve is installed at the kettle opening, the water guide sleeve is made of a heat insulation material, a limiting installation groove for inserting the upper end of the metal inner container is formed in the bottom surface of the water guide sleeve, a sealing ring for achieving sealing connection of the water guide sleeve and the metal inner container.

Description

Electric heating kettle

Technical Field

The invention belongs to the technical field of electric kettles, and particularly relates to an electric kettle.

Background

An electric kettle generally comprises a kettle body, a kettle cover, a heating component and a temperature control component. The kettle body generally comprises a plastic shell and a metal inner container, and the heating part is fixed below the metal inner container and heats the metal inner container to heat water in the metal inner container. However, in the prior art, the heat of the water in the inner container can be transferred to the outer shell through the joint of the metal inner container and the outer shell, and the heat preservation effect of the kettle is influenced.

Disclosure of Invention

The invention aims to provide an electric kettle, which has more ideal heat preservation effect.

The technical purpose of the invention is realized by the following technical scheme:

the utility model provides an electric kettle, includes the kettle body, pot lid, heater block and control by temperature change part, the kettle body includes plastic casing, is fixed in the metal inner bag in the plastic casing, the upper end of plastic casing is provided with the hu kou, first locating part is installed to the inside wall of plastic casing, the plastic casing is provided with the water guide sleeve that the lower extreme is fixed in first locating part and upper end and installs in the hu kou, the water guide sleeve is made by insulation material, water guide sleeve bottom surface is provided with and supplies metal inner bag upper end male spacing mounting groove, be provided with the sealing washer that is used for realizing water guide sleeve and metal inner bag sealing connection in the spacing mounting groove.

The kettle body is formed by installing and combining the plastic shell, the metal inner container and the water guide sleeve, the metal inner container is arranged in the plastic shell, the upper end of the metal inner container is provided with the water guide sleeve made of heat insulation materials, the heat loss of the kettle body can be effectively reduced, and materials with the heat conductivity coefficient not more than 0.12W/(m.K) at the average temperature of not higher than 350 ℃ are called as the heat insulation materials according to the national standard. Meanwhile, the sealing ring for realizing the sealing connection between the water guide sleeve and the metal inner container is arranged, and the water guide sleeve and the metal inner container are only connected and fixed through the sealing ring, so that the water leakage phenomenon at the joint of the water guide sleeve and the metal inner container can be prevented in the water pouring process. Meanwhile, the water guide sleeve and the metal inner container are only matched and fixed through the sealing ring, so that the problem of matching tolerance caused by expansion with heat and contraction with cold of the water guide sleeve and the metal inner container can be better solved.

As a further improvement of the invention, the edge of the opening at the upper end of the metal inner container is provided with a limiting flanging which extends outwards and turns over downwards, and the lower end of the sealing ring is provided with a clamping ring groove for clamping the limiting flanging.

By adopting the technical scheme, the contact area between the limiting flanging formed at the upper end of the metal inner container and the sealing ring is increased, so that the contact strength between the metal inner container and the sealing ring is improved.

As a further improvement of the metal liner sealing device, the sealing ring is respectively provided with an inner sealing edge and an outer sealing edge at two sides of the clamping ring groove, the lower end of the outer sealing edge is provided with a sealing flanging which is outwards turned and is abutted against the inner side wall of the outer end of the limiting mounting groove, one surface of the inner sealing edge is abutted against the inner side wall of the metal liner, the other surface of the inner sealing edge is provided with a limiting convex edge facing the inner side wall of the limiting mounting groove, and when the sealing ring is clamped into the limiting mounting groove, the limiting convex edge is downwards turned and is respectively abutted against the inner side wall of the inner end of.

By adopting the technical scheme, the arrangement of the limiting convex edge and the sealing flange can effectively improve the sealing performance between the metal inner container and the water guide sleeve. Meanwhile, when the sealing ring is installed, the sealing ring is installed at the upper end of the limiting flanging of the metal liner, the metal liner is installed from the bottom of the plastic shell, the sealing ring is buckled into the limiting installation groove of the water guide sleeve, the limiting convex edge and the sealing flanging can deform at the moment, resistance is generated on the inner wall of the limiting installation groove, coaxial positioning of the metal liner and the water guide sleeve is facilitated, installation between the metal liner and the water guide sleeve is facilitated, and meanwhile, the capacity of overcoming the problem of matching tolerance caused by expansion with heat and contraction with cold of the water guide sleeve and the metal liner can be improved.

As a further improvement of the present invention, the plastic housing includes a side housing and a bottom plate, the side housing is provided with a necking section whose diameter is gradually reduced along a height direction, and the first limiting member includes a mounting ring for mounting the water guide sleeve and a mating ring which is in interference fit with the necking section.

By adopting the technical scheme, the installation steps of the electric kettle mainly comprise the following steps: firstly, the water guide sleeve is put in from the upper end of the side shell; then, the first limiting piece is installed to the necking section from the bottom of the side shell and is installed at the lower end of the water guide sleeve; then, installing a sealing ring at the upper end edge of the metal liner and inserting the sealing ring into the limit installation groove of the water guide sleeve; and finally, mounting the chassis to the bottom of the side shell and completing the fixation between the chassis and the metal inner container. Compared with the traditional structure that the first limiting part is fixed on the side shell, the structure enables the mode that the first limiting part is installed on the side shell to be simpler and more convenient. Meanwhile, the first limiting part is fixed through interference fit of the matching ring and the necking section of the side shell, so that compared with the traditional welding fixing mode, the fixing mode reduces damage to the side shell and the first limiting part, and meanwhile, the phenomenon of dislocation of the side shell and the first limiting part in the matching process is prevented.

By adopting the technical scheme, the mounting ring is mounted at the lower end of the water guide sleeve through the mounting screw, the screw head of the mounting screw is positioned at the lower end of the mounting ring, and a gap exists between the mounting ring and the water guide sleeve.

Through adopting above-mentioned technical scheme, first locating part and water guide sleeve pass through mounting screw to be connected fixedly, and this kind of fixed mode simple structure, simple to operate can satisfy the cooperation requirement between first locating part and the water guide sleeve simultaneously. Meanwhile, because a gap exists between the mounting ring and the water guide sleeve, the water guide sleeve can move downwards relative to the first limiting part, so that the impact on the electric kettle can be effectively buffered, the structural stability of the electric kettle is improved, and the service life of the electric kettle is prolonged.

As a further improvement of the invention, the mounting ring is provided with a mounting through hole for a mounting screw to penetrate through, and the mounting through hole is an arc-shaped hole.

The installation through hole is the installation between first locating part and the water guide sleeve that can make things convenient for setting up of arc hole, has reduced the location installation degree of difficulty of first spacing ring.

As a further improvement of the invention, the upper end of the water guide sleeve is provided with a mounting opening for mounting the kettle cover and a buckling ring fixed on the mounting opening, the kettle cover is provided with a cover plate for covering the mounting opening and a buckling part inserted into the mounting opening, the buckling part is provided with a buckling component capable of being movably buckled at the lower end of the buckling ring, and the outer side wall of the buckling part is provided with a sealing ring for realizing the sealing connection of the kettle cover and the water guide sleeve.

The structure can realize the sealing between the water guide sleeve and the kettle cover, and effectively reduce the heat energy loss of the electric kettle. Meanwhile, the kettle cover is buckled on the water guide sleeve through the buckling component, so that the kettle cover is convenient to mount and dismount.

As a further improvement of the present invention, the fastening assembly includes a plurality of supporting bases located in the fastening portion, a fastening post having one end mounted on the supporting base and the other end extending out of the fastening portion, and a spring driving the fastening post to abut against the fastening ring, the supporting base is provided with an installation groove into which one end of the fastening post is inserted, the lower end surface of the cover plate is provided with a second limiting member for limiting the fastening post from falling off from the installation groove, a gap is provided between the second limiting member and the fastening post, and the upper and lower end surfaces of one end of the fastening post close to the abutting ring are provided with guiding inclined surfaces.

The fastening assembly is simple in structure, and the mounting/dismounting between the kettle cover and the water guide sleeve is simple and convenient. Because the mounting chassis is only provided with the mounting groove to the pot lid is provided with the second locating part that prevents the buckling post from droing from the mounting groove, consequently the butt post can take place slight deflection on vertical face. When the kettle cover needs to be detached from the water guide sleeve, the guide inclined surface of the buckling column is abutted to the buckling ring, the kettle cover moves upwards integrally, the buckling ring provides downward pressure to the buckling column, and the buckling column deflects in a vertical plane at the moment, so that the spring can be deformed better, and the kettle cover can be taken out from the water guide sleeve more easily.

As a further improvement of the invention, the buckling column is provided with a buckling plate which is abutted against the spring, and the buckling plate and the inner side wall of the buckling part are provided with buffer rings.

Can assist the buckling column to reset after the slope through setting up the buffering ring, make the operation that the fastening components can be more smooth.

As a further improvement of the invention, the water guide sleeve is provided with a spout at one side of the mounting opening, the water guide sleeve is also provided with a mounting convex ring for forming the mounting opening, one side of the mounting convex ring facing the spout is provided with a water outlet and a filter plate mounted at the water outlet, and the filter plate comprises a filter outer frame made of heat insulation materials and a filter screen clamped in the filter outer frame.

Through adopting above-mentioned technical scheme, at the in-process of heating up water, the setting of delivery port and filter can guarantee that hot water can not pass through the filter spill. Meanwhile, the structural arrangement of the filter plate can effectively reduce the heat dissipated from the water outlet, so that the heat insulation performance of the whole electric kettle is improved.

In conclusion, the invention has the following beneficial effects:

1. the kettle body of the electric kettle comprises a plastic shell, a metal inner container and a water guide sleeve made of heat-insulating materials, the kettle cover is arranged in the water guide sleeve, the water guide sleeve is provided with a water outlet and a filter plate, the filter plate comprises a filter outer frame made of the heat-insulating materials and a filter screen arranged in the filter outer frame, and the arrangement of the structure increases the heat-insulating performance of the electric kettle;

2. the plastic shell comprises a side shell and a chassis, the first limiting part is clamped in the side shell, the water guide sleeve is arranged at the upper end of the first limiting part, the metal inner container is arranged on the chassis, and the metal inner container and the water guide sleeve are hermetically connected through a sealing ring;

3. the upper end of the metal inner container is provided with the limiting flange, and the sealing ring is provided with the sealing flange and the limiting convex edge, so that the sealing strength between the water guide sleeve and the metal inner container is effectively improved, and the coaxial installation between the water guide sleeve and the metal inner container is facilitated;

4. the kettle cover and the water guide sleeve are matched through the buckling ring and the buckling assembly, buckling and separation between the kettle cover and the water guide sleeve can be achieved, and meanwhile the structure of the buckling assembly is arranged, so that the kettle cover can be conveniently detached from the water guide sleeve.

Drawings

FIG. 1 is a schematic structural view of an electric kettle;

FIG. 2 is a schematic sectional view of an electric kettle;

FIG. 3 is an exploded view at A in FIG. 2;

FIG. 4 is an enlarged view at B in FIG. 2;

FIG. 5 is a schematic view of the side housing;

FIG. 6 is a schematic view of the mating of the base plate and the temperature control member;

FIG. 7 is a schematic view of the metal liner and the heating element;

fig. 8 is a schematic structural diagram of the first limiting member;

FIG. 9 is an exploded view of the water jacket and filter panels;

FIG. 10 is a cross-sectional view of the seal ring;

fig. 11 is an exploded view of the lid;

fig. 12 is a schematic structural view of a fastening post.

In the figure: 1. a kettle body; 2. a plastic housing; 21. a side housing; 211. a seat buckling ring; 222. a necking section; 22. a chassis; 221. buckling; 222. fixing the counter bore; 3. a metal liner; 31. fixing the stud; 32. a neck-closing section; 33. limiting and flanging; 4. a first limit piece; 41. a mounting ring; 411. mounting a through hole; 412. mounting screws; 42. matching rings; 5. a water guide sleeve; 51. installing a threaded hole; 52. a limiting mounting groove; 53. installing a convex ring; 531. a water outlet; 532. a card slot; 54. an installation port; 55. a snap ring; 56. a spout; 57. a filter plate; 571. filtering the outer frame; 572. a filter screen; 58. a limiting groove; 6. a seal ring; 61. clamping the ring groove; 62. sealing the inner edge; 63. sealing the outer edge; 64. sealing and flanging; 65. a limiting convex edge; 66. sealing the convex edge; 7. a pot lid; 71. a cover plate; 711. a second limiting member; 72. a buckling part; 73. a fastening assembly; 731. a support base; 7311. mounting grooves; 732. buckling and connecting the columns; 7321. a buckle plate; 7322. a guide slope; 733. a spring; 734. a buffer ring; 74. a seal ring; 741. sealing the folded ring; 81. a heating member; 82. a temperature control member; 821. a fixing through hole; 83. and a charging tray.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, an electric kettle mainly comprises a charging tray 83, a kettle body 1, a kettle cover 7, a heating component 81 and a temperature control component 82. Wherein the heating element 81 and the temperature control element 82 are mounted in the kettle body 1.

As shown in fig. 2, 3, 5, 6 and 7, the kettle body 1 mainly comprises a plastic shell 2, a metal inner container 3 installed in the plastic shell 2, a first limiting member 4 installed on the inner side wall of the kettle body 1, and a water guide sleeve 5 installed at the bottom of the first limiting member 4. The plastic housing 2 mainly includes a side housing 21 and a bottom plate 22 installed on an opening at the bottom of the side housing 21, a retainer ring 211 is disposed at the bottom of the side housing 21, and a buckle 221 matched with the retainer ring 211 is disposed on the upper end surface of the bottom plate 22. In the present embodiment, three fastening seats 211 are provided on the inner bottom surface of the plastic housing 2.

The heating component 81 is fixed on the lower bottom surface of the metal inner container 3, the temperature control component 82 is installed on the upper end surface of the chassis 22, and the chassis 22, the temperature control component 82 and the metal inner container 3 are fixedly connected through screws. The chassis 22 is provided with a fixing counter bore 222, the bottom surface of the metal liner 3 is provided with a fixing stud 31, a screw is matched and fixed with the fixing stud 31 through the fixing counter bore 222, the chassis 22 and the metal liner 3 clamp and fix the temperature control component 82, and the chassis 22, the temperature control component 82 and the metal liner 3 are installed and fixed.

As shown in fig. 2 and 8, the side housing 21 of the plastic housing 2 is provided with a tapered section 222 whose diameter is gradually reduced in the cover-degree direction, and the first retaining member 4 is interference-fitted in the tapered section 222 of the side housing 21. The first limiting member 4 mainly includes a horizontally disposed mounting ring 41 and a fitting ring 42 that is in interference fit with the necking portion 222. The mounting ring 41 is provided with a mounting through hole 411 on the upper end surface, and the mounting through hole 411 is an arc-shaped hole.

As shown in fig. 2 and 4, the mounting ring 41 of the first stopper 4 is mounted to the lower end of the water guide sleeve 5 by mounting screws 412. Wherein, the lower end of the water guide sleeve 5 is provided with a mounting threaded hole 51 which is in threaded fit with the mounting screw 412. When the first limiting member 4 is matched with the water guide sleeve 5, the screw head of the mounting screw 412 is located at the lower end of the mounting ring 41, and a gap exists between the mounting ring 41 and the water guide sleeve 5.

As shown in fig. 2 and 7, the caliber of the upper end of the metal liner 3 is reduced to form a neck-closing section 32, and a limiting flange 33 which extends outwards and is turned downwards is arranged on the upper opening edge of the neck-closing section 32. Wherein, the neck-in section 32 passes through the inner hole of the first limiting member 4.

As shown in fig. 2, 4 and 10, the lower end of the water guide sleeve 5 is provided with a limit installation groove 52 opposite to the limit flange 33, a seal ring 6 for realizing the sealing connection between the water guide sleeve 5 and the metal liner 3 is arranged in the limit installation groove 52, and the lower end of the seal ring 6 is provided with a snap ring groove 61 for the limit flange 33 to be snapped in. After the limiting flanging 33 is clamped into the clamping ring groove 61 of the sealing ring 6, the limiting flanging 33 and the sealing ring 6 are clamped into the limiting mounting groove 52.

Wherein, sealing washer 6 is sealed interior limit 62 and sealed outside 63 respectively in the both sides of joint annular groove 61, and sealed outside 63 lower extreme has to turn over outwards and rolls over the sealed turn-ups 64 that offsets with spacing mounting groove 52 outer end inside wall, and sealed interior limit 62 one side offsets with the inside wall of metal inner container 3, and sealed interior limit 62 another side has the spacing chimb 65 towards the inner inside wall of spacing mounting groove 52. When the sealing ring 6 is clamped in the limit mounting groove 52, the limit convex edge 65 is turned downwards and abuts against the inner side wall of the inner end of the limit mounting groove 52 and the sealing inner edge 62 respectively. The upper and lower end faces of the limiting convex edge 65 are provided with a plurality of sealing convex edges 66, and when the sealing ring 6 is not installed in the limiting installation groove 52, the limiting convex edge 65 is perpendicular to the sealing inner edge 62.

As shown in fig. 2 and 9, the water guide sleeve 5 is provided at an upper end thereof with a mounting collar 53, and the mounting collar 53 is formed at an upper end thereof with a mounting opening 54. Wherein, one side of the mounting opening 54 is provided with a spout 56, and a buckling ring 55 is fixed in the mounting opening 54. A water outlet 531 at one side of the mounting convex ring 53 facing the spout 56 and a filter plate 57 mounted on the water outlet 531. Wherein, the two sides of the water outlet 531 are provided with a clamping groove 532 for the filter plate 57 to be clamped in, and the filter plate 57 comprises a filter outer frame 571 made of heat insulation material and a filter screen 572 clamped in the filter outer frame 571.

The upper end of the water guide sleeve 5 is also provided with a limit groove 58 for the upper end edge of the side shell 21 to be clamped in. Due to the arrangement of the spout 56 in the water guide ring, the upper edge of the side shell 21 is a special-shaped edge, so that the water guide sleeve 5 can be prevented from rotating circumferentially in the side shell 21.

As shown in fig. 2, 9, 11 and 12, the lid 7 has a cover plate 71 for covering the mounting opening 54 and a fastening part 72 inserted into the mounting opening 54. The buckling part 72 is provided with a buckling component 73 which can be movably buckled at the lower end of the buckling ring 55, the outer side wall of the buckling part 72 is provided with a sealing ring 74 for realizing the sealing connection between the kettle cover 7 and the water guide sleeve 5, and the lower end of the sealing ring 74 is provided with a sealing folding ring 741 which is obliquely arranged.

The fastening assembly 73 includes a plurality of supporting bases 731 located in the fastening portion 72, a fastening post 732 having one end mounted on the supporting bases 731 and the other end extending out of the fastening portion 72, and a spring 733 driving the fastening post 732 to abut against the fastening ring 55, the supporting chassis 22 is provided with an installation groove 7311 for placing one end of the fastening post 732, and the lower end surface of the cover plate 71 is provided with a second limiting member 711 for limiting the fastening post 732 from falling off from the installation groove 7311. A gap is formed between the second limiting member 711 and the fastening post 732, the fastening post 732 has a fastening plate 7321 abutting against the spring 733, and the fastening plate 7321 and the inner side wall of the fastening portion are provided with a buffer ring 734. The upper and lower end surfaces of the hooking stem 732 near one end of the abutting ring have guiding slopes 7322. In this embodiment, the second limiting member 711 is an annular flange, wherein the annular flange is perpendicular to the cover plate 71, and the fastening assembly 73 has three supporting bases 731, and a fastening post 732 and a spring 733 that are engaged with the supporting base.

Referring to fig. 1 to 12, the method for mounting the electric kettle is as follows:

1. the water guide sleeve 5 is put into the side shell 21 from the upper end opening, and the upper end edge of the side shell 21 is clamped into the limit groove 58 of the water guide sleeve 5;

2. the first limiting member 4 is mounted to the necking section 222 from the bottom opening of the side housing 21, and passes through the mounting through hole 411 of the first limiting member 4 by using a mounting screw 412, and then is in threaded fit with the mounting threaded hole 51 in the water guide sleeve 5, and the mounting screw 412 is tightened until the water guide sleeve 5 and the first limiting member 4 are not loosened any more, at this time, a gap exists between the water guide sleeve 5 and the first limiting member 4;

3. the limiting flanging 33 of the metal inner container 3 is arranged in the clamping ring groove 61 of the sealing ring 6;

4. because the heating component 81 is fixed on the bottom surface of the metal liner 3, the temperature control component 82 is only required to be installed at the bottom of the metal liner 3, and the bottom plate 22 is placed at the bottom of the temperature control component 82, at this time, the fixing through hole 821 of the temperature control component 82, the fixing counter bore 222 of the bottom plate 22 and the fixing stud 31 of the metal liner 3 are coaxially arranged, and the three are fixed by using a screw, and at this time, the screw head of the screw is clamped in the fixing counter bore 222;

5. simultaneously inserting the base plate 22, the temperature control part 82, the heating part 81, the metal inner container 3 and the sealing ring 6 into the side shell 21 until the buckle seat 211 of the side shell 21 is in clamping fit with the buckle 221 in the base plate 22, and at the moment, clamping the limiting flanging 33 of the metal inner container 3 and the sealing ring 6 into the limiting mounting groove 52 of the water guide sleeve 5;

6. the sealing flange 64 and the limiting flange 65 of the sealing ring 6 are deformed to realize the sealing connection of the water guide sleeve 5 and the metal liner 3;

7. the filter plate 57 is inserted into the clamping groove 532 of the water guide sleeve 5, and the kettle cover 7 is installed into the installation opening 54 of the water guide sleeve 5, so that the installation of the whole electric kettle is completed.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides an electric kettle, includes the kettle body (1), pot lid (7), heats piece (81) and control by temperature change part (82), the kettle body (1) includes plastic casing (2), is fixed in metal inner bag (3) in plastic casing (2), the upper end of plastic casing (2) is provided with hu kou, its characterized in that: the inner side wall of the plastic shell (2) is provided with a first limiting piece (4), the plastic shell (2) is provided with a water guide sleeve (5) of which the lower end is fixed on the first limiting piece (4) and the upper end is installed on the kettle opening, the water guide sleeve (5) is made of heat insulation materials, the bottom surface of the water guide sleeve (5) is provided with a limiting installation groove (52) for inserting the upper end of the metal liner (3), a sealing ring (6) for realizing the sealing connection between the water guide sleeve (5) and the metal liner (3) is arranged in the limiting installation groove (52), the plastic shell (2) comprises a side shell (21) and a chassis (22), the side shell (21) is provided with a necking section (222) of which the diameter is gradually reduced along the height direction, the first limiting piece (4) comprises an installation ring (41) for installing the water guide sleeve (5) and a matching ring (42) in interference fit with the necking, the mounting ring (41) is mounted at the lower end of the water guide sleeve (5) through a mounting screw (412), the screw head of the mounting screw (412) is located at the lower end of the mounting ring (41), and a gap exists between the mounting ring (41) and the water guide sleeve (5).

2. The electric kettle of claim 1, wherein: the metal inner bag (3) upper end opening border is provided with outside extension and the spacing turn-ups (33) of turning over downwards, the lower extreme of sealing washer (6) has joint annular (61) that supply spacing turn-ups (33) card to go into.

3. The electric kettle of claim 2, wherein: the sealing ring (6) is respectively provided with an inner sealing edge (62) and an outer sealing edge (63) at two sides of the clamping ring groove (61), the lower end of the outer sealing edge (63) is provided with a sealing flanging (64) which is turned over outwards and is abutted against the inner side wall of the outer end of the limiting mounting groove (52), the inner sealing edge (62) is abutted against the inner side wall of the metal inner container (3),

the another side of sealed interior limit (62) has spacing chimb (65) towards spacing mounting groove (52) inner inside wall, when spacing mounting groove (52) is gone into to sealing washer (6) card, spacing chimb (65) turn over down and roll over and offset with spacing mounting groove (52) inner inside wall and sealed interior limit (62) respectively.

4. The electric kettle of claim 1, wherein: the mounting ring (41) is provided with a mounting through hole (411) for a mounting screw (412) to penetrate through, and the mounting through hole (411) is an arc-shaped hole.

5. The electric kettle of claim 1, wherein: lead water jacket (5) upper end to have installing port (54) that supplies pot lid (7) installation and be fixed in buckle connection ring (55) of installing port (54), the pot lid (7) that receives have apron (71) that closes installing port (54) lid and insert buckle connection portion (72) in installing port (54), buckle connection portion (72) have can activity lock joint in buckle connection ring (55) lower extreme buckle connection subassembly (73), buckle connection portion (72) lateral wall has and is used for realizing pot lid (7) and water guide sleeve (5) sealing ring (74) of sealing connection.

6. The electric kettle of claim 5, wherein: the fastening component (73) comprises a plurality of supporting bases (731) located in the fastening portion (72), a fastening column (732) with one end installed on the supporting base (731) and the other end extending out of the fastening portion (72), and a spring (733) driving the fastening column (732) to abut against the fastening ring (55), the supporting base plate (22) is provided with an installation groove (7311) for one end of the fastening column (732) to be placed in, the lower end face of the cover plate (71) is provided with a second limiting piece (711) for limiting the fastening column (732) to fall off from the installation groove (7311), a gap is formed between the second limiting piece (711) and the fastening column (732), and the upper end face and the lower end face of one end, close to the abutting ring, of the fastening column (732) are provided with guide inclined faces (7322).

7. The electric kettle of claim 6, wherein: the fastening post (732) is provided with a fastening plate (7321) which is abutted against the spring (733), and the fastening plate (7321) and the inner side wall of the fastening part are provided with buffer rings (734).

8. The electric kettle of claim 5, wherein: the kettle spout (56) is arranged on one side of the mounting opening (54) of the water guide sleeve (5), the water guide sleeve (5) is further provided with a mounting convex ring (53) used for forming the mounting opening (54), one side, facing the kettle spout (56), of the mounting convex ring (53) is provided with a water outlet (531) and a filter plate (57) mounted on the water outlet (531), and the filter plate (57) comprises a filter outer frame (571) made of heat-insulating materials and a filter screen (572) clamped in the filter outer frame (571).