CN107087983B

CN107087983B - Electric kettle

Info

Publication number: CN107087983B
Application number: CN201710450864.7A
Authority: CN
Inventors: 陈健平; 蔡刚; 廖云; 徐先平
Original assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Current assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Priority date: 2017-06-15
Filing date: 2017-06-15
Publication date: 2023-04-11
Anticipated expiration: 2037-06-15
Also published as: CN107087983A

Abstract

The invention provides an electric kettle which comprises an inner container (1), a shell (2) arranged on the outer side of the inner container (1) in a surrounding mode, a handle (4) located on one side of the shell (2), a fracture (20) is formed by breaking the side wall of the shell (2), the handle (4) covers the fracture (20), and the electric kettle further comprises a fixing piece (3) used for tightly hooping the two sides of the fracture (20) together, wherein the fixing piece (3) is connected to the inner wall of the shell (2), and a gap is formed between the fixing piece (3) and the outer wall of the inner container (1). Because there is not the relation of connection between the outer wall of mounting and inner bag, both non-contact to increased the distance between inner bag and the shell, guaranteed insulating effect of insulating against heat of insulating pot, and prolonged the life of mounting.

Description

Electric kettle

Technical Field

The invention relates to the technical field of household appliances, in particular to an electric kettle.

Background

An electric kettle is a common water-containing heating container, and has become a small household appliance with high use frequency in people's life due to the advantages of quick water boiling, safety, reliability, simple use, convenient carrying and the like.

The electric kettle mainly comprises a kettle body and a kettle cover. The pot cover is arranged on the top opening of the pot body. The kettle body comprises an inner container and a shell, the inner container is used for containing liquid, the shell is arranged around the outer side of the inner container, and a handle is arranged on one side of the shell. In manufacturing, the housing is generally made to be a break-away type for ease of assembly, i.e., the side of the housing where the handle is assembled is made to be half-broken or completely broken, and the broken position is just covered by the handle. Since the shell has a fracture, the shell can not be in a folded state due to self tension, so that the assembly of the handle is inconvenient, in order to solve the problem, the grant publication No. CN205795509U discloses an electric kettle, wherein a first support and a second support for supporting the shell are arranged, when the electric kettle is installed, the first support and the second support are respectively fixed on the inner container, and then the shell is fixed on the first support and the second support. Or the shell is fixed on the first support and the second support, and then the first support and the second support are fixed with the inner container, so that the fracture of the shell cannot be in a deformed and opened state.

However, when the electric kettle is heated, the temperature of the inner container is generally high, and the support is not only connected with the inner container, but also connected with the shell, so that the heat of the inner container can be quickly transferred to the shell, and the heat insulation effect of the electric kettle is poor. In addition, since the stent is connected to the inner container, the stent may be deteriorated due to the high temperature of the inner container after a long time use, and the strength of the stent may be deteriorated and easily damaged.

Disclosure of Invention

In order to solve at least one of the problems mentioned in the background art, the invention provides an electric kettle, which can ensure the insulation effect of the electric kettle and the firmness of connection at the fracture of a shell.

In order to achieve the purpose, the invention provides an electric kettle which comprises an inner container used for containing liquid, an outer shell arranged around the outer side of the inner container, a handle positioned on one side of the outer shell, a fracture formed by breaking the side wall of the outer shell, and a fixing piece used for tightly hooping the two sides of the fracture together, wherein the fixing piece is connected to the inner wall of the outer shell, and a gap is formed between the fixing piece and the outer wall of the inner container.

According to the electric kettle, the fixing pieces used for connecting the two sides of the fracture are connected to the inner wall of the shell, and after the shell is assembled on the inner container, a gap is reserved between the fixing pieces on the inner wall of the shell and the outer wall of the inner container, namely, the fixing pieces and the outer wall of the inner container are not connected and are not in contact with each other, so that the distance between the inner container and the shell is increased, and the heat insulation effect of the electric kettle is guaranteed; simultaneously, because mounting and inner bag contactless can avoid the mounting to receive the influence of inner bag high temperature and damage, prolonged the life of mounting, guaranteed the reliability that shell fracture both sides are connected, moreover when the preparation is selected materials, the mounting need not to choose for use high temperature resistant material, only need it can with fracture both sides lock hoop together, consequently reduced the requirement to the mounting material, reduced manpower and materials cost.

Optionally, the range of the gap between the fixing piece and the outer wall of the inner container is 1 mm-3 mm. Within the range, the heat insulation effect of the electric kettle can be ensured, and the volume of the shell is not too large.

Optionally, the fixing member is located in the middle of the cross section of the housing. It can be understood that the mounting is located the sectional axial of shell ascending intermediate position, perhaps is close to intermediate position, connects the shell through middle part at the section, has not only guaranteed the equilibrium that whole shell is connected, and has saved the consumptive material.

Optionally, the fixing element includes a first fixing plate and a second fixing plate respectively disposed on two sides of the fracture, the first fixing plate has a first connecting portion, and the second fixing plate has a second connecting portion capable of being connected to the first connecting portion in a matching manner. That is to say, lug connection between first fixed plate and the second fixed plate need not to connect through the third party, promptly, during the assembly, directly can realize fixing in advance of fracture both sides through the matching of the first connecting portion on the first fixed plate and the second connecting portion on the second fixed plate, and structural design is simple and convenient assembling, avoids connecting through extra third party connecting piece and leads to spare part to increase, the problem of installation complicacy to produce. In addition, the fixing piece is arranged to be of a plate-shaped structure, so that the contact surface between the fixing piece and the shell is large, and the strength of the whole connecting structure can be improved.

Optionally, the first fixing plate and the second fixing plate match the shape of the housing. Make between fixed plate and the shell to change like this and be connected, avoid both junctions stress concentration and lead to connecting not firm condition and take place, in addition, make the inner wall of fixed plate and shell to laminate the setting like this, saved the space between shell and the inner bag, be favorable to laying spare parts such as steam conduit in the space between inner bag and shell.

Optionally, the first connecting portion is a clamping hole with an opening facing the second fixing plate, and the second connecting portion extends towards the first fixing plate and can be clamped into a buckle in the clamping hole.

Optionally, the first connecting portion is a connecting post extending towards the second fixing plate, the second connecting portion is a through hole having an opening towards the first fixing plate and allowing the connecting post to be inserted, and the connecting post and the through hole are connected through a fastener.

Optionally, the first fixing plate and the second fixing plate are detachably connected to the inner wall of the housing. If like this in the assembling process, first connecting portion or second connecting portion take place the damage, can directly pull down first fixed plate or second fixed plate from the shell inner wall this moment, only need change wherein take place damaged part can, avoided scrapping of whole shell, saved the cost of manufacture.

Optionally, the first connecting portions and the second connecting portions are multiple, the first connecting portions are arranged along the vertical direction of the first fixing plate at intervals, and the second connecting portions are arranged along the vertical direction of the second fixing plate at intervals. Fix fracture both sides from a plurality of positions in vertical like this, further improved the fixed effect in advance to shell fracture department.

Optionally, the positioning device further comprises a positioning collar for propping open the shell, and the positioning collar is sleeved outside the top opening of the inner container. The shell is supported through the positioning clamping ring, so that the shell is easier to be sleeved on the inner container.

Optionally, kettle mouth has on the lateral wall of inner bag, one side of location rand and all be equipped with on the shell and be used for the confession the hole of dodging that kettle mouth wore out, the location rand with it breaks off to form the opening to dodge the hole relative one side. Set up through the one side at the location rand and dodge the hole, after the assembly, the hu zui is worn out from dodging the hole, promptly, the hu zui has played limiting displacement to the location rand, makes the difficult off position of location rand, simultaneously, breaks off one side of location rand, can conveniently adjust when the assembly and dodge the clearance between hole and the hu zui, improves the outward appearance aesthetic feeling.

Optionally, the broken part of the positioning collar is further provided with a locking member for tightly hooping two sides of the broken part of the positioning collar together. After the gap between the avoiding hole and the spout is adjusted, the two sides of the opening of the positioning clamping ring are locked through the locking piece, so that the positioning clamping ring is tightly clamped outside the inner container.

Optionally, the portable electronic device further comprises a bottom cover, a clamping groove with an upward opening is formed in the edge of the top of the bottom cover, and the bottom end of the shell is clamped in the clamping groove.

Optionally, the inner container is a metal inner container, and the outer shell is a metal outer shell.

The construction of the present invention and other objects and advantages thereof will be more apparent from the following description of the preferred embodiments taken in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is an exploded view of an electric kettle according to an embodiment of the present invention;

fig. 2 is a schematic bottom view of a housing of an electric kettle according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a fixing member on an inner wall of an outer shell of an electric kettle according to an embodiment of the present invention;

FIG. 4 is a side view of an outer housing of an electric kettle according to an embodiment of the present invention;

fig. 5 is a schematic structural view illustrating a positioning collar sleeved on an inner container of an electric kettle according to an embodiment of the present invention;

FIG. 6 is a side view of FIG. 5;

fig. 7 is a schematic structural view of a positioning collar of an electric kettle according to an embodiment of the present invention;

fig. 8 is a connection relationship diagram between the outer shell and the bottom cover of the electric kettle according to the embodiment of the invention.

Description of the reference numerals:

1-inner container; 2-a housing; 3, fixing parts; 4, a handle; 5-positioning retainer ring; 6-pot cover; 7-bottom cover; 11-a spout; 20-fracture; 21-a first mounting portion; 22. 51-avoiding holes; 31 — a first fixing plate; 32-a second fixing plate; 311 — a first connection; 321 — a second connection; 41-one side; 52-an opening; 521-a locking member; 521 a-locking buckle; 521 b-keyhole; 71-card slot.

Detailed Description

Fig. 1 is an exploded view of an electric kettle according to an embodiment of the present invention. Fig. 2 is a schematic bottom view of a housing of an electric kettle according to an embodiment of the present invention. Fig. 3 is a schematic structural diagram of a fixing member on an inner wall of an outer shell of an electric kettle according to an embodiment of the present invention. Fig. 4 is a side view of an outer shell of an electric kettle according to an embodiment of the present invention. Fig. 5 is a schematic structural view of an electric kettle according to an embodiment of the present invention, wherein a positioning collar is sleeved on an inner container of the electric kettle. Fig. 6 is a side view of fig. 5. Fig. 7 is a schematic structural view of a positioning collar of an electric kettle according to an embodiment of the present invention. Fig. 8 is a connection relationship diagram between the outer shell and the bottom cover of the electric kettle according to the embodiment of the invention. Referring to fig. 1 to 8, the present embodiment provides an electric kettle including: a pot body for containing liquid and a pot cover 6 which is covered on the opening at the top of the pot body. Wherein, in order to improve the isolation heat preservation effect of insulating pot, the kettle body specifically includes: the inner container 1 and the shell 2 surrounding the outer side of the inner container 1. The inner container 1 is used for containing liquid, which may be water, or other liquid containing water, such as milk, beverage, tea, health preserving soup, etc., and the present invention is not limited thereto. A handle 4 is arranged on one side of the shell 2, and the electric kettle can be conveniently held up or put down through the handle 4. During the concrete realization, inner bag 1 can be the metal inner bag, and shell 2 can be metal casing, for example, inner bag 1 adopts full stainless steel material, and shell 2 adopts the five metals material, and of course, shell 2 also can be the plastic material, and inner bag 1 also can be other materials that accord with food sanitation and safety.

Wherein, the lateral wall disconnection of shell 2 forms fracture 20, and this fracture 20 is covered to handle 4, for example, when specifically realizing, handle 4 can be directly connected with fracture 20 both sides, specifically, the both sides of fracture 20 are equipped with first installation department 21 respectively, be equipped with on the one face 41 of handle 4 towards shell 2 can with first installation department 21 accordant connection's second installation department, can connect handle 4 on shell 2 through mutually supporting of first installation department and second installation department, and handle 4 just in time covers fracture 20 of shell 2, has guaranteed the outward appearance aesthetic feeling of insulating pot. In this embodiment, the first mounting portion 21 is a through hole, and the second mounting portion is a buckle capable of engaging with the through hole. During the assembly, aim at the buckle on the handle 4 and the through-hole of 2 fractures 20 departments of shell, press handle 4, can make during the buckle card goes into the through-hole to realize handle 4's fixed. Of course, the first mounting portion 21 may be a snap, and correspondingly, the second mounting portion may be a through hole. Alternatively, the first mounting portion 21 is a screw hole and the second mounting portion is a screw post. The present invention is not limited to the specific structure of the first mounting portion 21 and the second mounting portion. Of course, the handle 4 may not be connected to both sides of the fracture 20, for example, the top end of the handle 4 is connected to the pot lid 6, and the bottom end of the handle 4 is connected to the bottom lid 7, and the invention is not limited to the specific connection mode of the handle 4.

Because the shell 2 has the fracture 20, after the shell 2 overlaps the outside at inner bag 1, probably the shell 2 can be opened from fracture 20, moreover, when installing handle 4 on shell 2, because fracture 20 both sides of shell 2 are not connected, lead to handle 4 difficult alignment, the installation degree of difficulty increases. Based on this, in this embodiment, the electric kettle further includes: and the fixing piece 3 is used for tightly hooping the two sides of the fracture 20 together, and the fixing piece 3 is positioned on the inner wall of the shell 2. During specific assembly, firstly, the two sides of the fracture 20 of the shell 2 are tightly hooped together through the fixing piece 3, namely, the fracture 20 of the shell 2 is pre-fixed through the fixing piece 3, and after the pre-fixing is completed, the handle 4 is installed. That is to say, through set up on the inner wall of shell 2 and be used for the both sides tight fixture 3 that is in the same place of shell 2 fracture 20, when the assembly, at first through fixture 3 with the both sides tight hoop of shell 2 fracture 20 together, namely, fix in advance the fracture 20 department of shell 2 through fixture 3, avoid shell 2 from fracture 20 department to turn over, and the reliability that shell 2 connects has been improved, then assemble handle 4 in the outside of shell 2 fracture 20 again, because fracture 20 both sides are together by the pre-fixing, thereby make handle 4 align more during the assembly, it is more convenient to assemble. In addition, because the fixing piece 3 is positioned on the inner wall of the shell 2, the flatness of the outer surface of the shell 2 is ensured while the shell 2 is pre-fixed, and the handle 4 is easier to install.

In order to ensure the heat insulation effect between the inner container 1 and the outer container 2 and prevent the high temperature of the inner container 1 from influencing the fixing member 3 to cause the damage of the fixing member 3, in this embodiment, the fixing member 3 is connected on the inner wall of the outer container 2, and a gap is formed between the fixing member 3 and the outer wall of the inner container 1. That is to say, there is not the direct connection relation between mounting 3 and the inner bag 1, and each other contactless between the two to increased the distance between inner bag 1 and the shell 2, and avoided mounting 3 and the contact of inner bag 1 and caused the damage.

In the case of the electric kettle serving as a heating vessel, a heating device may be provided in a space between the inner container 1 and the outer casing 2, and the liquid in the inner container 1 may be heated by the heating device. In this case, a base matched with the kettle body can be arranged, an electric connector is arranged on the base, the kettle body is coupled and connected to the base during heating, and the heating device can start heating after the base is electrified. Of course, the base is not required to be arranged, the electric connector electrically connected with the heating device is directly arranged on the kettle body, and when heating is needed, the electric connector on the kettle body is connected with an external power supply through a power line.

According to the electric kettle provided by the embodiment, the fixing pieces for connecting the two sides of the fracture are connected to the inner wall of the shell, and after the shell is assembled on the inner container, a gap is formed between the fixing piece on the inner wall of the shell and the outer wall of the inner container, namely, the fixing piece and the outer wall of the inner container are not connected and are not in contact with each other, so that the distance between the inner container and the shell is increased, and the heat insulation effect of the electric kettle is ensured; simultaneously, because mounting and inner bag contactless can avoid the mounting to receive the influence of inner bag high temperature and damage, prolonged the life of mounting, guaranteed the reliability that shell fracture both sides are connected, moreover when the preparation is selected materials, the mounting need not to choose for use high temperature resistant material, only need it can with fracture both sides lock hoop together, consequently reduced the requirement to the mounting material, reduced manpower and materials cost.

In the concrete implementation, the clearance between the fixing piece 3 and the outer wall of the inner container 1 can be set between 1mm and 3mm. Within the range, the heat insulation effect of the electric kettle can be ensured, and the volume of the shell is not too large. Further, setting the above gap within this range, when the housing 2 is made thin, there is no fear of excessive deformation of the housing 2 during mounting.

In this embodiment, the fixing member 3 is located in the middle of the cross section of the housing 2. It will be understood that the fixing member 3 is located at an intermediate position in the axial direction of the cross section of the housing 2, or near the intermediate position. That is, by connecting the housing 2 at the middle of the cross section, not only the balance of the connection of the entire housing 2 is ensured, but also the consumable material is saved. Of course, the fixing elements 3 can also be arranged along the entire cross section.

Referring to fig. 3, specifically, the fixing member 3 includes: a first fixing plate 31 and a second fixing plate 32 respectively arranged at both sides of the fracture 20. The first fixing plate 31 has a first connecting portion 311, and the second fixing plate 32 has a second connecting portion 321 that is fittingly connected to the first connecting portion 311. That is to say, lug connection between first fixed plate and the second fixed plate need not to connect through the connecting piece of third party, namely, when the assembly, directly can realize the preliminary fixed of fracture 20 both sides through the matching of first connecting portion 311 and second connecting portion 321, and structural design is simple and convenient assembling, avoids connecting through extra third party's connecting piece and leads to spare part to increase, the problem of installation complicacy to produce. In addition, the fixing member 3 is provided in a plate-like structure, so that the contact surface between the fixing member 3 and the housing 2 is large, and the strength of the entire connection structure can be improved. Preferably, the first fixing plate 31 and the second fixing plate 32 are matched with the shape of the housing 2. For example, first fixed plate 31 and second fixed plate 32 are the arc, so set up to make and change between fixed plate and the shell 2 and be connected, avoid both junctions stress concentration and lead to connecting not firm condition emergence, in addition, make the inner wall of fixed plate and shell 2 can laminate the setting like this, saved the space between shell 2 and the inner bag 1, be favorable to laying spare parts such as steam pipe in the space between inner bag 1 and shell 2.

In the present embodiment, the first connecting portion 311 is a fastening hole opened toward the second fixing plate 32, and the second connecting portion 321 is a fastener extending toward the first fixing plate 31 and capable of being fastened into the fastening hole. Of course, the first connecting portion 311 can also be a buckle, and the second fixing portion can be a clamping hole. Or, the first connecting portion 311 is a connecting column extending toward the second fixing plate 32, the second connecting portion 321 is a through hole having an opening facing the first fixing plate 31 and allowing the connecting column to be inserted, and after the connecting column is inserted into the through hole, the connecting column is fixed in the through hole by a fastener. The present invention is not limited to the specific structure of the first connecting portion 311 and the second connecting portion 321. The first connecting portion 311 and the second connecting portion 321 may be one, and preferably, the first connecting portion 311 and the second connecting portion 321 are plural, the plural first connecting portions 311 are arranged along the vertical interval of the first fixing plate 31, and the plural second connecting portions 321 are arranged along the vertical interval of the second fixing plate 32. Each of the first connection portions 311 corresponds to one of the second connection portions 321. Thus, the two sides of the fracture 20 are fixed from multiple positions in the vertical direction, and the pre-fixing effect on the fracture 20 of the shell 2 is further improved.

In a specific implementation, the first fixing plate 31 and the second fixing plate 32 may be made of silicone or rubber. The first fixing plate 31 and the second fixing plate 32 are detachably attached to the inner wall of the housing 2. If in the assembling process, the first connecting portion 311 or the second connecting portion 321 is damaged, at this time, the first fixing plate 31 or the second fixing plate 32 can be directly detached from the inner wall of the housing 2, and only the damaged part needs to be replaced, so that the scrapping of the whole housing 2 is avoided, and the manufacturing cost is saved. For example, the first fixing plate 31 and the second fixing plate 32 may be fixed on the inner wall of the housing 2 by riveting, screwing, clipping, etc.

The bottom of the housing 2 is provided with a bottom cover 7, the top edge of the bottom cover 7 is provided with a clamping groove 71 with an upward opening, the bottom end of the housing 2 is clamped in the clamping groove 71, that is, the bottom end of the housing 2 is fixed through the clamping groove 71 on the bottom cover 7, and the assembly is convenient and reliable.

On the basis of the above embodiment, further, the electric kettle further comprises: and the positioning clamping ring 5 is used for expanding the shell 2, and the positioning clamping ring 5 is sleeved outside the top opening of the inner container 1. That is, the positioning collar 5 is sleeved outside the top opening of the inner container 1, and the housing 2 is sleeved outside the positioning collar 5. The housing 2 is supported by the positioning collar 5, and the housing 2 is expanded. Wherein, the side wall of the inner container 1 is provided with a spout 11, one side of the positioning retainer ring 5 is provided with an avoiding hole 51 for the spout 11 to pass through, and the shell 2 is also provided with an avoiding hole 22 for the spout 11 to pass through. The spout 11 has a limiting function on the positioning retainer ring 5, and after the positioning retainer ring 5 is sleeved outside the liner 1, the spout 11 penetrates through the avoiding hole 51 on the positioning retainer ring 5. Furthermore, the side of the positioning collar 5 opposite the relief hole 51 is interrupted to form an opening 52. Through breaking off the setting with location rand 5 to conveniently adjust the clearance between dodging hole 51 and the hu zui 11 of location rand 5, make hu zui 11 be located dodge the centre of hole 51, thereby guaranteed installation quality and outward appearance aesthetic feeling.

Further, the broken part of the positioning collar 5 is also provided with a locking piece 521 for tightly clamping the two sides of the opening 52 of the positioning collar 5 together. After the position of the spout 11 relative to the avoiding hole 51 of the positioning retainer ring 5 is adjusted, the two sides of the opening 52 of the positioning retainer ring 5 are connected through the locking piece 521, so that the positioning retainer ring 5 is tightly hooped on the outer side of the inner container 1, and the firmness of the whole connecting structure is improved. Referring to fig. 7, the locking member 521 specifically includes: the locking latch 521a on one side of the opening 52 of the positioning collar 5 and the locking hole 521b on the other side of the opening 52 of the positioning collar 5 can realize the tightening of the positioning collar 5 through the matching of the locking latch 521a and the locking hole 521 b. Or, one side of the opening 52 of the positioning collar 5 is provided with a first hook, and the other side of the opening 52 of the positioning collar 5 is provided with a second hook, and the first hook and the second hook can be hooked with each other. It should be noted that, regarding the specific structure of the locking member 521, the present invention is not limited thereto, as long as the detachable connection of both sides of the opening 52 of the positioning collar 5 can be realized.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. An electric kettle, comprising an inner container (1) for containing liquid, a shell (2) arranged around the outer side of the inner container (1), and a handle (4) positioned on one side of the shell (2), wherein the side wall of the shell (2) is broken to form a fracture (20), the handle (4) covers the fracture (20), and further comprising a fixing member (3) for tightly hooping the two sides of the fracture (20) together, characterized in that the fixing member (3) is connected to the inner wall of the shell (2), the fixing member (3) is matched with the shape of the inner wall of the shell (2), and a gap is formed between the fixing member (3) and the outer wall of the inner container (1).

2. An electric kettle according to claim 1, characterized in that the clearance between the fixing element (3) and the outer wall of the inner container (1) ranges from 1mm to 3mm.

3. An electric kettle as claimed in claim 1, characterized in that said fixing element (3) is located in the middle of the cross-section of the outer shell (2).

4. An electric kettle according to claim 1, characterized in that the fixing member (3) comprises a first fixing plate (31) and a second fixing plate (32) which are respectively arranged at two sides of the fracture (20), the first fixing plate (31) is provided with a first connecting portion (311), and the second fixing plate (32) is provided with a second connecting portion (321) which can be matched and connected with the first connecting portion (311).

5. An electric kettle according to claim 4, characterized in that the first fixing plate (31) and the second fixing plate (32) match the shape of the housing (2).

6. An electric kettle according to claim 4, characterized in that the first connection portion (311) is a snap hole opening towards the second fixing plate (32), and the second connection portion (321) is a snap extending towards the first fixing plate (31) and being snappable into the snap hole.

7. The electric kettle according to claim 4, wherein the first connection portion (311) is a connection post extending towards the second fixing plate (32), the second connection portion (321) is a through hole opening towards the first fixing plate (31) and allowing the connection post to be inserted, and the connection post and the through hole are connected by a fastener.

8. An electric kettle as claimed in claim 4, characterized in that said first fixing plate (31) and said second fixing plate (32) are both detachably connected to the inner wall of said housing (2).

9. An electric kettle according to claim 4, characterized in that the first connection portions (311) and the second connection portions (321) are each in plurality, the plurality of first connection portions (311) being arranged at intervals in a vertical direction of the first fixing plate (31), and the plurality of second connection portions (321) being arranged at intervals in a vertical direction of the second fixing plate (32).

10. An electric kettle as claimed in any one of claims 1 to 9, further comprising a positioning collar (5) for bracing said outer shell (2), said positioning collar (5) fitting outside the top opening of said inner container (1).

11. An electric kettle as claimed in claim 10, wherein the inner container (1) has a spout (11) on the side wall, an avoiding hole for the spout (11) to pass through is provided on one side of the positioning collar (5) and the outer shell (2), and the side of the positioning collar (5) opposite to the avoiding hole is disconnected to form an opening (52).

12. An electric kettle as claimed in claim 11, characterized in that the break of the positioning collar (5) is further provided with a locking member (521) for clamping the two sides of the opening (52) of the positioning collar (5) together.

13. An electric kettle as claimed in any one of claims 1 to 9, further comprising a bottom cover (7), wherein the top edge of the bottom cover (7) is provided with a clamping groove (71) which is opened upwards, and the bottom end of the outer shell (2) is clamped in the clamping groove (71).

14. An electric kettle according to any one of claims 1 to 9, characterized in that the inner container (1) is a metal inner container and the outer shell (2) is a metal outer shell.