CN209932402U

CN209932402U - Electric kettle

Info

Publication number: CN209932402U
Application number: CN201920269845.9U
Authority: CN
Inventors: 刘铁; 张�浩
Original assignee: Beijing Smartmi Technology Co Ltd
Current assignee: Beijing Smartmi Technology Co Ltd
Priority date: 2019-03-04
Filing date: 2019-03-04
Publication date: 2020-01-14
Anticipated expiration: 2029-03-04

Abstract

The utility model relates to the technical field of household appliances, in particular to an electric kettle, which comprises a kettle body, wherein an inner container is arranged in the inner cavity of the kettle body, a heating device is arranged at the bottom of the inner container, a steam channel is arranged between the kettle body and the inner container, and the bottom end of the steam channel is positioned in the heating device and is used for driving a metal elastic sheet of a power switch of the heating device to cut off the power supply of the electric kettle; the top of the kettle body is provided with a cavity above the steam channel, the top of the steam channel is arranged in the cavity in a penetrating way, the cavity is provided with an air inlet communicated with the inner cavity of the kettle body, the air inlet is higher than the top of the inner container, and the top of the steam channel is higher than the air inlet. The electric kettle provided by the utility model has no foreign body sensation and is more beautiful; the backward flow phenomenon can not occur; the inner container can be completely used for containing water, the utilization rate is higher, compared with the prior art, the same water containing amount can be used, the inner container with lower height can be used, and the purpose of reducing the cost is further achieved.

Description

Electric kettle

Technical Field

The utility model relates to the technical field of household appliances, concretely relates to electric kettle.

Background

The electric kettle has the advantages of convenient use, safety, reliability and the like, and is widely applied to daily life. There are various automatic power-off modes of the electric kettle, wherein, the power-off mode by using steam is a common mode.

Including the steam passageway in the insulating pot, can produce a large amount of steam when the water in the inner bag boils, steam can be because the pressure difference that kettle internal environment and atmospheric pressure exist and be crowded into the steam passageway in, the temperature-sensing element is aimed at to the bottom of steam passageway, metal shrapnel promptly, and metal shrapnel is the thermal deformation to trigger switch reaches the purpose of automatic outage.

The existing steam channel is mainly arranged in two ways, one way is to arrange the steam channel in the inner container, as shown in fig. 1, the top end of the steam channel 1 'is higher than the highest water level line of the inner container 2', and the steam channel 1 'is exposed outside, so that the inner container 2' is not easy to clean, and foreign body sensation is brought to users, and the appearance is influenced; the other is to hide the steam channel between the inner container and the outer cavity of the kettle, as shown in fig. 2, the top end of the steam channel 1 'is communicated with the inner container 2', water is easily mistakenly added into the steam channel 1 'when water is added into the inner container 2' in this form, and backflow is caused, and the extending part of the top end of the steam channel 1 'is easily seen, so that the appearance is influenced, a space is reserved between the inner container 2' and the outer cavity of the kettle for the steam channel 1 ', the size of the inner container 2' can be restricted, so that the capacity of the inner container 2 'is reduced, and further, the capacity of the inner container can be increased only by adopting a mode of increasing the height of the inner container 2', and the cost of the.

In the two steam channel arrangement modes, the highest water level line of the inner container 2 'in use is lower than the top end of the inner container 2', namely, due to the existence of the inlet of the steam channel 1 ', the highest water level line of the inner container 2' to the top end part of the inner container 2 'cannot be practically applied, but the highest water level line of the inner container 2' cannot be cancelled, so that the cost of the electric kettle cannot be reduced.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the utility model is to provide an electric kettle, there is not the foreign matter sense, more pleasing to the eye, can not take place the phenomenon of flowing backward, can reduce the holistic height of inner bag and kettle body, and then reach reduce cost's purpose.

In order to achieve the purpose, the utility model provides an electric kettle, which comprises a kettle body, wherein an inner container is arranged in an inner cavity of the kettle body, a heating device is arranged at the bottom of the inner container, a steam channel is arranged between the inner wall of the kettle body and the outer wall of the inner container, and the bottom end of the steam channel is positioned in the heating device and is used for driving a metal elastic sheet of a power switch of the heating device so as to cut off the power supply of the electric kettle;

a cavity is arranged at the top of the kettle body and above the steam channel, the top of the steam channel penetrates through the cavity, an air inlet communicated with the inner cavity of the kettle body is arranged on the cavity, the height of the air inlet is higher than that of the top end of the inner container, and the height of the top end of the steam channel is higher than that of the air inlet.

Furthermore, the steam channel comprises a main channel and a top channel, the top channel is connected with the top of the main channel in an inserting and sealing mode, and the outer diameter of the top channel is smaller than that of the main channel.

Further, the main channel and the top channel are both circular pipelines, the axis of the top channel is vertically arranged in the middle of the chamber, and a gap for circulating steam is arranged between the outer wall of the top channel and the inner wall of the chamber.

Furthermore, the bottom of the cavity is provided with a through hole, the top channel penetrates through the through hole and is arranged in the cavity, and a sealing ring used for sealing a gap between the top channel and the through hole is arranged on the outer wall of the top channel.

Furthermore, a handle is arranged on the outer wall of the kettle body, and the steam channel is arranged between the kettle body and the inner container at the position of the handle.

Further, the air inlet is one or more transversely arranged strip-shaped holes.

Further, the chamber is integrally formed with the housing.

The utility model provides a pair of electric kettle, hide the setting with steam passage between the kettle body and inner bag, and simultaneously, the position of steam inlet of steam passage has been improved, make steam passage's top be higher than the top of inner bag, water in the inner bag is heated the boiling back, steam enters into the cavity by the air inlet earlier, continue in the cavity to rise in the back by steam inlet on steam passage top enters into steam passage, flow behind steam passage's the other end, the metal shrapnel that the other end corresponds is heated and is out of shape, trigger switch, reach the effect of automatic outage.

According to the electric kettle, the steam channel on the kettle body is hidden, so that a user can not visually see the electric kettle, foreign body feeling is avoided, and the electric kettle is more attractive; the steam inlet of the steam channel is higher, so that the backflow phenomenon cannot occur; simultaneously, because the position of steam inlet is higher and steam channel no longer is connected with the inner bag, need not to set up the highest water level line again in the inner bag, the inner bag can all be used for flourishing water, and its utilization ratio is higher, compares with prior art, and same flourishing water yield can use highly lower inner bag, and then reaches reduce cost's purpose.

Drawings

FIG. 1 is a schematic view of a prior art steam channel disposed in an inner bladder;

FIG. 2 is a schematic diagram of a prior art vapor channel concealment design;

FIG. 3 is a partial perspective view of the upper chamber of the electric kettle body according to the embodiment of the present invention;

FIG. 4 is a sectional view of the position of the upper chamber of the electric kettle body according to the embodiment of the present invention;

fig. 5 is a schematic view illustrating a steam flowing direction in the electric kettle according to the embodiment of the present invention.

In the figure, the position of the upper end of the main shaft,

1. a kettle body; 2. an inner container; 3. a steam channel; 4. a chamber; 5. an air inlet; 31. a top channel; 32. a main channel.

Detailed Description

Exemplary embodiments of the invention are described below with reference to the accompanying drawings, in which various details of embodiments of the invention are included to assist understanding, and which are to be considered exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the invention. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.

As shown in fig. 3 to 5, an embodiment of the present invention provides an electric kettle, which comprises a kettle body 1, wherein an inner cavity of the kettle body 1 is provided with an inner container 2, the bottom of the inner container 2 is provided with a heating device, a steam channel 3 is arranged between the kettle body 1 and the inner container 2, and the bottom end of the steam channel 3 is located in the heating device, and is used for driving a metal shrapnel of a power switch of the heating device to cut off the power supply of the electric kettle.

A chamber 4 is arranged at the top of the kettle body 1 above the steam channel 3, the top of the steam channel 3 is arranged in the chamber 4 in a penetrating way, an air inlet 5 communicated with the inner cavity of the kettle body 1 is arranged on the chamber 4, the air inlet 5 is higher than the top of the inner container 2, and the top of the steam channel 3 is higher than the air inlet 5.

The steam channel 3 is arranged between the kettle body 1 and the inner container 2 in the embodiment, and is of a hidden design, and the hidden design is different from the existing hidden design in that the top end of the steam channel 3 is not connected with the inner container 2 and is higher than the top end of the inner container 2.

Because the steam channel 3 is not directly connected with the inner container 2, a chamber 4 is arranged at the top of the steam channel 3, and steam generated after water is boiled firstly enters the chamber 4 and then enters the steam channel 3 from the chamber 4. The concrete structure is that the top of steam channel 3 is located independent cavity 4, cavity 4 is located the top of the kettle body 1, set up air inlet 5 on cavity 4, air inlet 5 and the inner chamber intercommunication of the kettle body 1, when producing steam in inner bag 2, can produce the pressure differential between the inner chamber of the kettle body 1 and cavity 4, and then steam is crowded into in cavity 4, and the same reason, continuous entering steam in cavity 4, have the pressure differential between cavity 4 and steam channel 3, and then steam can further flow into in steam channel 3.

Preferably, the air inlet 5 is one or more transversely arranged strip-shaped holes.

The height of the air inlet 5 on the chamber 4 needs to be higher than that of the top end of the inner container 2, so that boiling of water is avoided from entering the chamber 4, and meanwhile, the top end of the steam channel 3 is higher than that of the air inlet 5, so that water cannot flow into the steam channel 3 even if water enters the chamber 4; with the structure, after steam generated in the inner container 2 enters the chamber 4 from the air inlet 5, the steam firstly rises (because the bottom of the chamber 4 is blocked) and then enters the steam channel 3 to flow downwards.

The electric kettle that this embodiment provided, steam channel 3 hides the setting, can not directly see steam channel 3 when the user uses, can not have the foreign matter and feel, and is more pleasing to the eye, conveniently clears up the operation to inner bag 2 moreover.

The top of steam channel 3 is steam inlet, and steam inlet's height is higher in this embodiment, and does not expose, consequently, can not produce the phenomenon of flowing backward, simultaneously, because steam inlet does not link to each other with inner bag 2, and the height that highly is higher than the 2 tops of inner bag of air inlet 5, consequently, need not to set up the highest water level line again in inner bag 2, inner bag 2 can all be used for flourishing water, does not have the situation that can not by make full use of, and its utilization ratio is higher. Compared with the prior art, the electric kettle provided by the embodiment has the advantages that if the same water quantity is heated, the height of the inner container 2 of the electric kettle is lower, the overall height of the electric kettle can be reduced, and the purpose of saving cost is achieved.

As a preferred embodiment of this embodiment, the steam channel 3 comprises a main channel 32 and a top channel 31, the top channel 31 is connected with the top of the main channel 32 in a plugging and sealing manner, and the outer diameter of the top channel 31 is smaller than that of the main channel 32.

The top channel 31 has a smaller external diameter with respect to the main channel 32, the top channel 31 of the steam channel 3 being arranged inside the chamber 4, so that the external diameter of the top channel 31 is set relatively small and the size of the chamber 4 can be set correspondingly smaller, to avoid the chamber 4 structure occupying a larger space of the kettle body 1; meanwhile, the split structure is convenient to disassemble and assemble, and production, assembly and later maintenance are facilitated.

Preferably, the main channel 32 and the top channel 31 are both circular pipes, the axis of the top channel 31 is vertically arranged in the middle of the chamber 4, and a gap for circulating steam is arranged between the outer wall of the top channel 31 and the inner wall of the chamber 4. The top channel 31 is vertically arranged in the chamber 4, the flow direction of the steam in the chamber 4 is from bottom to top, and in order to enable the steam around the top channel 31 to flow into the steam channel 3, the top channel 31 can be arranged as a circular pipe.

Preferably, the bottom of the chamber 4 is provided with a through hole, the top channel 31 is arranged in the chamber 4 through the through hole, and the outer wall of the top channel 31 is provided with a sealing ring for sealing the gap between the top channel 31 and the through hole. In order to maintain the tightness of the chamber 4, a sealing ring is arranged at the joint of the top channel 31 and the chamber 4, and the sealing ring seals off the gap at the perforated position to prevent steam from passing through.

As a preferred embodiment of the present embodiment, a handle is arranged on the outer wall of the pot body 1, and a steam channel 3 is arranged between the pot body 1 and the inner container 2 at the position of the handle. In general, the handle is arranged at the back of the kettle body 1, the corresponding front end of the handle is provided with the spout of the kettle body 1, when water is added, water is generally added at the front end or the side end of the kettle body 1, and water cannot be added at the position of the handle, so that water can be further prevented from entering the cavity 4. Meanwhile, other parts such as circuits and the like can be arranged at the position in the kettle body 1, and various parts are arranged in a centralized manner, so that the assembly and the maintenance are convenient.

As a preferred embodiment of this embodiment, the chamber 4 is integrally formed with the kettle body 1. When the kettle body 1 of the electric kettle is produced, the cavity 4 is integrally formed, namely the cavity 4 and the kettle body 1 are of an integral structure, the structural form is simple in production process, and the sealing performance of the cavity 4 can be effectively guaranteed.

When the electric kettle is used, water is firstly poured into the inner container 2, wherein the highest water level line of the poured water is flush with the top end of the inner container 2. Afterwards, start switch, heating device (heating plate) begin to heat the water in inner bag 2, can be continuous when water is heated to the boiling steam, make to have the pressure differential in the 1 inner chamber of the kettle body and the cavity 4, steam has air inlet 5 to enter into cavity 4, and on the same way, steam in cavity 4 constantly increases, steam can enter into steam channel 3, finally, the steam of high temperature blows to metal shrapnel, metal shrapnel is heated and is out of shape and trigger switch and close, thereby realize auto-power-off.

This insulating pot, the steam inlet of steam channel 3 highly is higher than the height on 2 tops of inner bag, and, steam channel 3 no longer links to each other with inner bag 2, but set up in the cavity 4 on the kettle body 1, in this structure, the top of inner bag 2 is the highest water level line promptly, inner bag 2 can more make full use of, it is for prior art, same size inner bag 2, the structure of adopting in this embodiment can hold more water, the unable flourishing water of part on highest water level line to inner bag 2 top among the prior art, and inner bag 2 structure of this embodiment then can be used for flourishing water, consequently, the flourishing water yield can increase, and then reach reduce cost's purpose.

In addition, in the electric kettle in the embodiment, the steam channel adopts a hidden design, so that a user can not visually see the electric kettle, foreign body feeling is avoided, and the electric kettle is more attractive.

The above is only a preferred embodiment of the present invention, and should not be limited to the present invention, and any modifications, equivalent replacements, simple improvements and the like made in the spirit of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an electric kettle, includes the kettle body (1), the kettle body (1) inner chamber sets up inner bag (2), the bottom of inner bag (2) is equipped with heating device, the kettle body (1) inner wall with be equipped with steam channel (3) between inner bag (2) outer wall, the bottom of steam channel (3) is located in the heating device, be used for the drive heating device's switch's metal shrapnel is with the power supply of cutting off electric kettle, its characterized in that:

a chamber (4) is arranged at the top of the kettle body (1) and above the steam channel (3), the top of the steam channel (3) penetrates through the chamber (4), an air inlet (5) communicated with the inner cavity of the kettle body (1) is arranged on the chamber (4), the height of the air inlet (5) is higher than that of the top end of the inner container (2), and the height of the top end of the steam channel (3) is higher than that of the air inlet (5).

2. An electric kettle according to claim 1, characterized in that the steam channel (3) comprises a main channel (32) and a top channel (31), the top channel (31) being plug-in sealed connected with the top of the main channel (32), the top channel (31) having an outer diameter smaller than the outer diameter of the main channel (32).

3. An electric kettle according to claim 2, characterized in that the main channel (32) and the top channel (31) are both circular pipes, the axis of the top channel (31) is arranged vertically in the middle of the chamber (4), and a gap for the circulation of steam is arranged between the outer wall of the top channel (31) and the inner wall of the chamber (4).

4. An electric kettle according to claim 2, characterized in that the bottom of the chamber (4) is provided with a perforation through which the top channel (31) is provided in the chamber (4), and that the outer wall of the top channel (31) is provided with a sealing ring for sealing the gap between the top channel (31) and the perforation.

5. An electric kettle as claimed in any one of claims 1 to 4, characterized in that a handle is arranged on the outer wall of the kettle body (1), and the steam channel (3) is arranged between the kettle body (1) and the inner container (2) at the position of the handle.

6. An electric kettle as claimed in any one of claims 1 to 4, characterized in that the air inlet (5) is one or more transversely arranged strip-shaped holes.

7. An electric kettle as claimed in any one of claims 1 to 4, characterised in that the chamber (4) is integrally formed with the kettle body (1).