CN102657474B - Electric kettle - Google Patents

Electric kettle Download PDF

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Publication number
CN102657474B
CN102657474B CN201210144319.2A CN201210144319A CN102657474B CN 102657474 B CN102657474 B CN 102657474B CN 201210144319 A CN201210144319 A CN 201210144319A CN 102657474 B CN102657474 B CN 102657474B
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CN
China
Prior art keywords
cover
heating
assembly
coupler
insulating pot
Prior art date
Application number
CN201210144319.2A
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Chinese (zh)
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CN102657474A (en
Inventor
左祥贵
张叶兰
黄理水
Original Assignee
浙江绍兴苏泊尔生活电器有限公司
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Publication date
Application filed by 浙江绍兴苏泊尔生活电器有限公司 filed Critical 浙江绍兴苏泊尔生活电器有限公司
Priority to CN201210144319.2A priority Critical patent/CN102657474B/en
Publication of CN102657474A publication Critical patent/CN102657474A/en
Application granted granted Critical
Publication of CN102657474B publication Critical patent/CN102657474B/en

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Abstract

The invention discloses an electric kettle. The electric kettle comprises a body which is provided with an upper coupler, a base component which is provided with a lower coupler, a control circuit which is arranged in the base component, and a user operation device, wherein the body and the base component are connected through the upper coupler and the lower coupler, and a heating circuit is formed between the body and the base component; the body comprises a container which forms a liquid accommodation cavity; the bottom of the container is provided with an electric heating component; waterproof structures are arranged on the upper coupler and the lower coupler; the outer side of the bottom of the container is hermetically provided with a bottom cover; the upper coupler is connected to the bottom cover, and the joint of the upper coupler and the bottom cover is sealed so that a closed cavity is formed between the bottom of the container and the bottom cover; a pressure relief valve device is hermetically arranged on the bottom cover; a bimetallic strip temperature controller is arranged on the lower surface of a bottom wall of the container; and the bimetallic strip temperature controller and the electric heating component are connected in series in the heating circuit.

Description

A kind of insulating pot
Technical field
The present invention relates to a kind of small household appliances, be specifically related to Domestic electric kettle.
Background technology
Consumer is familiar with insulating pot very much, and the technical staff of insulating pot industry field is also familiar with the structure of insulating pot very much, most common insulating pots are all the power-off that the steam by producing after insulating pot boiling water is controlled insulating pot, and this to utilize steam to control insulating pot power-off be defective; Defect one, is equipped with the steam that the insulating pot of steam lead boils rear generation by boiling water and enters in steam lead, can form condensed water, and this condensed water can flow to the automatically controlled part in bottom after steam in steam pipe is cooling, and such structure has potential safety hazard in fact; Defect two, in higher height above sea level, does not reach the water boiling temperature of setting even if water has seethed with excitement yet, and reason is not produce enough steam, and heating power supply continues heating, can not immediately cut off the electricity supply, and has the hidden danger of security incident; Defect three, steam lead is placed in kettle, or steam cock is placed on insulating pot handle, these structures are unfavorable for cleaning, can not be placed in especially that water directly cleans and, this structure influence is attractive in appearance.Detect as an alternative the technical scheme of vapor (steam) temperature, in prior art, the technical scheme that exists other the local temperature by detecting insulating pot to control.The Chinese invention patent application that is CN 101472511A as publication number has disclosed a kind of electric heater structure of electronic temperature transmitter detection from heat-generating disc detected temperatures that utilize.In addition, Granted publication number is the insulating pot structure that the Chinese utility model patent of CN 202005623 U has disclosed a kind of similar scheme, these two kinds of technical schemes have changed above-mentioned most of common insulating pot utilizes the way of steam control machine power-off, the temperature of utilizing electronic temperature transmitter to detect heating plate place realizes temperature detection, particularly, the temperature sensor patent of the disclosed electric heater of this two document is that cost compare is high by electronic temperature transmitter is set on contact plate.Publication number is the control circuit that the Chinese utility model patent of CN201782580U has disclosed a kind of electric kettle, comprise heat-generating disc, heat circuit to boil water and heating and thermal insulation circuit, the heat-generating disc that is located in base and be arranged in the bottom of kettle body is connected on heating circuit to boil water, heating and thermal insulation circuit comprises the Kick type temperature controller of series connection and controls the pcb board of heat-generating disc power, heat-generating disc is connected in heating and thermal insulation circuit simultaneously, with heating effect to boil water and insulation so that heat-generating disc has simultaneously.In the technical scheme of the electric kettle disclosing in the document, utilize the intrinsic service behaviour of Kick type temperature controller to realize cycle detection, Repeat-heating, to reach the effect of insulation.Above-mentioned each technical scheme, or exist can not waterproof, clean inconvenient technological deficiency, or there is the situation of Repeat-heating, need to improve.
Summary of the invention
The object of the present invention is to provide and a kind ofly can accurately judge that thereby liquid boiling state carries out the insulating pot of electronically controlled, with low cost, simple in structure, easy to clean, waterproof.
Further aim of the present invention is to provide immediately to cut off the electricity supply avoids repeating insulating pot to boil water.
For reaching goal of the invention the technical solution used in the present invention be:
A kind of insulating pot, comprise the body that is provided with coupler, with the base assembly that is provided with lower coupler, be arranged on control circuit and user's operating means in described base assembly, described body and described base assembly are by upper, lower coupler connection also forms heating circuit between the two, described body comprises the container that forms liquid containing chamber, described container bottom is provided with electric-heating assembly, it is characterized in that: on described, on lower coupler, be provided with waterproof construction, the bottom outside of described container is provided with bottom hermetically, thereby described upper coupler is connected to junction on described bottom and between the two and seals and between described container bottom and described bottom, form a closed chamber, on described bottom, be provided with hermetically pressure release valve device, on the diapire lower surface of described container, be provided with bimetal strip thermostat, described bimetal strip thermostat and described heating are in series in described heating circuit, in described control circuit, include current detecting unit, described heating circuit further comprises the relay communicating with described control circuit, described control circuit is controlled conducting or the disconnection of described relay according to the power on/off signal of detected heating circuit.
Further, in described control circuit, comprise single-chip microcomputer, described single-chip microcomputer is connected on the circuit between described heating and described current detecting unit by pin.
Or, in described control circuit, comprising single-chip microcomputer, described single-chip microcomputer is connected on the circuit between described heating and described current detecting unit via signal amplification circuit by pin.
Further, described base assembly comprises a power supply base upper cover, thereby described power supply base upper cover is connected and between the two, forms base cavity pocket with a power supply base lower cover sealing ground, and described single-chip microcomputer is arranged in described base cavity pocket.
Further, described pressure release valve device comprises relief valve, on one end in described closed chamber inside of described relief valve, be provided with at least one air inlet, on the sidewall of described relief valve, be provided with at least one gas outlet near on the position of its outer end, between described air inlet and described gas outlet, air guide channel is set, described pressure release valve device is also provided with the spring being sheathed on described relief valve, on one end in described closed chamber outside of described relief valve, be provided with for the sealing gasket of described bottom sealing.
Further, described pressure release valve device has closed position and vent position, and when in described closed position, described sealing gasket is close to the outer surface of described bottom, and described gas outlet is in air-tight state; When in described vent position, described sealing gasket departs from the outer surface of described bottom, and described gas outlet and ambient atmosphere are in communication state.
Further, on the bottom of described bottom, each installing hole is all to adopt hermetically-sealed construction.
Further, the top of described body is provided with one and is convenient to water intaking and the spout of kettle of pouring, is mounted with the net-filter assembly of foreign material in can filtered water in described spout of kettle.
Further, described pot lid assembly comprises kettle lid upper cover, and described kettle lid upper cover and kettle lid lower cover are fastened and connected, and the middle lid cavity that forms, is mounted with the slide block of opening pot lid sub-assembly by pressing of the button of uncapping in described lid cavity.
Further, also comprise Handleset, described Handleset is arranged on the side that water gauge sub-assembly is installed on described body, and it comprises one handle upper cover, and described handle upper cover and handle lower cover are fastened and connected.
Beneficial effect of the present invention: can be by the whole insulating pot body water soaking and washing that is placed in, cleaning up rear wiping with dry wipe can be to boil water; And simple in structure, assembling is simple, easy to clean, function admirable, safe and reliable, more hold susceptible to user acceptance.
Brief description of the drawings
Fig. 1 is external form figure of the present invention.
Fig. 2 is exploded view of the present invention.
Fig. 3 is kettle profile of the present invention.
Fig. 4 is circuit block diagram of the present invention.
Fig. 5 is the circuit diagram of the circuit connecting mode one between single-chip microcomputer of the present invention and heating and current detecting unit.
Fig. 6 is the circuit diagram of the circuit connecting mode two between single-chip microcomputer of the present invention and heating and current detecting unit.
Fig. 7 is that the present invention is soaked in cleaning figure in water.
Fig. 8 is workflow diagram of the present invention.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further described, but does not limit the invention to these detailed description of the invention.One skilled in the art would recognize that the present invention contained all alternatives, improvement project and the equivalents that within the scope of claims, may comprise.
With reference to Fig. 1-6, a kind of insulating pot, comprise the body 2 that is provided with coupler 10, with the base assembly 3 that is provided with lower coupler, be arranged on control circuit 53 and user's operating means in described base assembly 3, described body 2 passes through upper with described base assembly 3, lower coupler connection also forms heating circuit 52 between the two, described body 2 comprises the container 7 that forms liquid containing chamber, described container 7 bottoms are provided with electric-heating assembly 8, on described, on lower coupler, be provided with waterproof construction, the bottom outside of described container 7 is provided with bottom 14 hermetically, thereby described upper coupler is connected to junction on described bottom 14 and between the two and seals and between described container 7 bottoms and described bottom 14, form a closed chamber 33, on described bottom 14, be provided with hermetically pressure release valve device, on the diapire lower surface of described container 7, be provided with bimetal strip thermostat 26, heating 9 in described bimetal strip thermostat 26 and described electric-heating assembly 8 is in series in described heating circuit 52, in described control circuit 53, include current detecting unit 55, described heating circuit 52 further comprises the relay 57 communicating with described control circuit 53, described control circuit 53 is controlled conducting or the disconnection of described relay 57 according to the power on/off signal of detected heating circuit 52.
In described control circuit 53, comprise single-chip microcomputer 54, described single-chip microcomputer is connected on the circuit between described heating 9 and described current detecting unit 55 by pin.Described single-chip microcomputer 54 also can be connected on the circuit between described heating 9 and described current detecting unit 55 via signal amplification circuit 56 by pin.
Described base assembly 3 comprises a power supply base upper cover 18, thereby described power supply base upper cover 18 is connected and between the two, forms base cavity pocket 41 with power supply base lower cover 20 sealing ground, and described single-chip microcomputer 54 is arranged in described base cavity pocket 41.
Described pressure release valve device comprises relief valve 12, on one end in described closed chamber 33 inside of described relief valve 12, be provided with at least one air inlet 34, on the sidewall of described relief valve 12, be provided with at least one gas outlet 21 near on the position of its outer end, between described air inlet 34 and described gas outlet 21, air guide channel is set, described pressure release valve device is also provided with the spring 11 being sheathed on described relief valve 12, is provided with the sealing gasket 15 for sealing with described bottom 14 on one end in described closed chamber 33 outsides of described relief valve 12.
Described pressure release valve device has closed position and vent position, and when in described closed position, described sealing gasket 15 is close to the outer surface of described bottom 14, and described gas outlet 21 is in air-tight state; When in described vent position, described sealing gasket 15 departs from the outer surface of described bottom 14, and described gas outlet 21 and ambient atmosphere are in communication state.
On the bottom of described bottom 14, each installing hole is all to adopt hermetically-sealed construction.
The top of described body 2 is provided with one and is convenient to water intaking and the spout of kettle 6 of pouring, is mounted with the net-filter assembly 31 of foreign material in can filtered water in described spout of kettle 6.
Also comprise pot lid assembly 1, described pot lid assembly 1 comprises kettle lid upper cover 5, described kettle lid upper cover 5 and kettle lid lower cover 30 are fastened and connected, and the middle lid cavity 43 that forms, is mounted with the slide block of opening pot lid sub-assembly by the pressing of button 44 of uncapping in described lid cavity 43.
Also comprise Handleset 4, described Handleset 4 is arranged on the side that water gauge sub-assembly 46 is installed on described body 2, and it comprises one handle upper cover 45, and described handle upper cover 45 and handle lower cover 23 are fastened and connected.
The insulating pot of the present embodiment is by pot lid assembly 1, body 2, and Handleset 4 forms insulating pot entirety 49 that can be mobile separately, and described insulating pot entirety 49 can wholely be soaked in as shown in Figure 4 in tank 50 and clean, and described insulating pot entirety 49 is powered by base assembly 3.
The bottom of the body 2 in the present embodiment is by welding position 35 and electric-heating assembly 8 structure that is welded as a whole; Described electric-heating assembly 8 comprises contact plate 24, described contact plate 24 as shown in Figure 3, below is welded with a heat transfer plate 48, the below of described heat transfer plate 48 is welded with a heating 9, described heating 9 conducts heat to heat transfer plate 48, heat is conducted the lower surface 40 to contact plate 24 by described heat transfer plate 48, and described contact plate lower surface 40 conducts heat to contact plate upper surface 32, and described contact plate upper surface 32 conducts heat to the interior liquid to be heated of heating chamber 42.Bimetal strip thermostat 26 is fixing by bimetal strip thermostat pressing plate 25, the contact-making surface 47 of described bimetal strip thermostat 26 contacts with the contact plate lower surface 40 of contact plate 24, described bimetal strip thermostat contact-making surface 47 detects when the temperature of contact plate 24 reaches the desired temperature of bimetal strip thermostat 26, bimetal strip thermostat 26 disconnects, by single-chip microcomputer 54, relay 10 is disconnected, machine quits work again.
In the present embodiment, the bottom of electric-heating assembly 8 is sealed by a bottom 14, described bottom 14 and electric-heating assembly 8 junctions are mounted with a sealing ring 13, upper coupler 10 is mounted with coupler sealing ring 27 on kettle bottom 14 junctions, described sealing ring 13 and upper coupler sealing ring 27 any material to external world seal, make to form a closed chamber 33 in the middle of bottom 14 and electric-heating assembly 8, in the time that machine is worked, heating 9 generates heat, air in closed chamber 33 is expanded, after expanding, air produces air pressure, for preventing that described air pressure from causing danger to machine, bottom 14 is also provided with a relief valve placement hole 37, in described relief valve placement hole 37, be mounted with a relief valve 12, described relief valve 12 covers have a spring 11, described spring 11 can make the outer movement of the relief valve backward relief valve guide hole 36 of 12 pressurized, described relief valve 12 bottoms are also overlapped and are had silica gel sheath 22, described silica gel sheath 22 is not in the time that relief valve 12 is subject to closed chamber 33 internal pressure, described silica gel sheath 22 seals to closed chamber 33, in the time that machine is worked, described heating 9 generates heat, the interior air of closed chamber 33 expands, produce air pressure, in the time that air pressure exceedes or equal 4000 Pa, air pressure is entered by air inlet 34, relief valve 12 outwards moves, air pressure is discharged by exhaust outlet 21, described bottom 14 is fixedly connected with relay 10 by bottom screw 16, and described bottom screw 16 is arranged with sealing gasket 15, and described sealing gasket 15 prevents that liquid from entering in closed chamber 33.
The pcb board sub-assembly 19 with control circuit in the present embodiment is arranged in base cavity pocket 41, described pcb board sub-assembly 19 length have pcb board screw hole 38, described pcb board screw hole 38 also have two not shown in the figures, described pcb board screw hole 38 coordinates by hold-down screw and is fixedly connected with double-screw bolt 39; Described pcb board sub-assembly 19 and the lower connector 17 being placed in the middle position, hole of power supply base upper cover 18 are electrically connected, described power supply base upper cover 18 as shown in Figure 2, sidewall offers a switch placement hole 29, described switch placement hole 29 is settled power switch 28, and described power switch 28 can be controlled machine on/off electricity.
The present embodiment in use, body 2 is placed on base assembly 3, lower coupler electric coupling on upper coupler 10 and base assembly 3, again by user's operating means turn-on power, make heating circuit 52 conductings, heating 9 is started working, the electric current of heating circuit 52 be through civil power L line to bimetal strip thermostat 26 and heating 9, then flow through relay 57 and current detecting unit 55 are got back to civil power N line.When in the time boiling liquid and reach the preset temperature value of bimetal strip thermostat 26, when bimetal strip thermostat 27 disconnects, in heating circuit 52, there is no electric current, the power-off signal of the heating circuit 52 that described control circuit 53 detects by current detecting unit 55 is controlled the disconnection of described relay 57.If afterwards in the situation that of unattended user's operating means, even if returning to conducting state, bimetal strip thermostat 26 also there will not be the phenomenon of working again, if have people to operate user's operating means after bimetal strip thermostat 26 recovers, insulating pot can enter duty at once, thereby reaches the function of precisely sentencing out.
Fig. 8 is the present embodiment insulating pot operation figure capable of washing, the insulating pot entirety 49 of the present embodiment load onto treat to boil water, turn-on current, buzzer is a sound, machine is in holding state, insulating pot entirety 49 is placed on base assembly 3, turn on the power switch 28, buzzer is a sound, indicator lamp is bright, heating 9 starts heating, when liquid reaches the state of temperature that bimetal strip thermostat 26 sets in kettle, bimetal strip thermostat 26 is cut off the electricity supply, machine quits work, as worked therebetween, the insulating pot entirety 49 being placed on base assembly 3 is withdrawn, base assembly 3 quits work, machine is in off-position, again insulating pot entirety 49 is placed on base assembly 3, need to again press power switch 28, machine just can restart work.After above-mentioned insulating pot has used of a specified duration in kitchen, kettle surface can be pasted with oil stain, and this oil stain cannot be removed totally with wet rag, need be placed in the water that is placed with washing agent cleans just capable of washing clean, the insulating pot of the present embodiment cleans as Fig. 7 can wholely be soaked in water 51, after cleaning up, kettle surface is wiped and can be used with dry wipe.

Claims (10)

1. an insulating pot, comprise the body that is provided with coupler, with the base assembly that is provided with lower coupler, be arranged on control circuit and user's operating means in described base assembly, described body and described base assembly are by upper, lower coupler connection also forms heating circuit between the two, described body comprises the container that forms liquid containing chamber, described container bottom is provided with electric-heating assembly, it is characterized in that: on described, on lower coupler, be provided with waterproof construction, the bottom outside of described container is provided with bottom hermetically, thereby described upper coupler is connected to junction on described bottom and between the two and seals and between described container bottom and described bottom, form a closed chamber, on described bottom, be provided with hermetically pressure release valve device, on the diapire lower surface of described container, be provided with bimetal strip thermostat, described bimetal strip thermostat and described heating are in series in described heating circuit, in described control circuit, include current detecting unit, described heating circuit further comprises the relay communicating with described control circuit, described control circuit is controlled conducting or the disconnection of described relay according to the power on/off signal of detected heating circuit.
2. a kind of insulating pot according to claim 1, is characterized in that: in described control circuit, comprise single-chip microcomputer, described single-chip microcomputer is connected on the circuit between described heating and described current detecting unit by pin.
3. a kind of insulating pot according to claim 1, is characterized in that: in described control circuit, comprise single-chip microcomputer, described single-chip microcomputer is connected on the circuit between described heating and described current detecting unit via signal amplification circuit by pin.
4. a kind of insulating pot according to claim 1, it is characterized in that: described base assembly comprises a power supply base upper cover, thereby described power supply base upper cover is connected and between the two, forms base cavity pocket with a power supply base lower cover sealing ground, and the single-chip microcomputer of described control circuit is arranged in described base cavity pocket.
5. a kind of insulating pot according to claim 1, it is characterized in that: described pressure release valve device comprises relief valve, on one end in described closed chamber inside of described relief valve, be provided with at least one air inlet, on the sidewall of described relief valve, be provided with at least one gas outlet near on the position of its outer end, between described air inlet and described gas outlet, air guide channel is set, described pressure release valve device is also provided with the spring being sheathed on described relief valve, on one end in described closed chamber outside of described relief valve, be provided with for the sealing gasket of described bottom sealing.
6. a kind of insulating pot according to claim 5, is characterized in that: described pressure release valve device has closed position and vent position, when in described closed position, described sealing gasket is close to the outer surface of described bottom, and described gas outlet is in air-tight state; When in described vent position, described sealing gasket departs from the outer surface of described bottom, and described gas outlet and ambient atmosphere are in communication state.
7. a kind of insulating pot according to claim 1, is characterized in that: on the bottom of described bottom, each installing hole is all to adopt hermetically-sealed construction.
8. a kind of insulating pot according to claim 1, is characterized in that: the top of described body is provided with one and is convenient to water intaking and the spout of kettle of pouring, is mounted with the net-filter assembly of foreign material in can filtered water in described spout of kettle.
9. according to the arbitrary described a kind of insulating pot of claim 1 ~ 8, it is characterized in that: also comprise pot lid assembly, described pot lid assembly comprises kettle lid upper cover, described kettle lid upper cover and kettle lid lower cover are fastened and connected, the middle lid cavity that forms, is mounted with by the button of uncapping and presses the slide block of opening pot lid sub-assembly in described lid cavity.
10. according to the arbitrary described a kind of insulating pot of claim 1 ~ 8, it is characterized in that: also comprise Handleset, described Handleset is arranged on the side that water gauge sub-assembly is installed on described body, and it comprises one handle upper cover, and described handle upper cover and handle lower cover are fastened and connected.
CN201210144319.2A 2012-05-10 2012-05-10 Electric kettle CN102657474B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210144319.2A CN102657474B (en) 2012-05-10 2012-05-10 Electric kettle

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Application Number Priority Date Filing Date Title
CN201210144319.2A CN102657474B (en) 2012-05-10 2012-05-10 Electric kettle

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CN102657474A CN102657474A (en) 2012-09-12
CN102657474B true CN102657474B (en) 2014-07-16

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105395078A (en) * 2015-12-17 2016-03-16 宁波博威马特机械制造有限公司 Feeding bottle seat, milk warming bottle matched with feeding bottle seat and socket

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104042118A (en) * 2013-03-11 2014-09-17 杨一江 Anti-dry burning device of water fountain
CN103637694B (en) * 2013-12-06 2017-03-15 浙江绍兴苏泊尔生活电器有限公司 Electric coupling structure and electric kettle
CN104068747B (en) * 2014-07-14 2016-08-17 金鸿灵 A kind of electric kettle
CN104490260B (en) * 2014-12-22 2016-11-30 宁波速漫文化科技有限公司 A kind of kitchen electrical heating calorifier
CN106213990B (en) * 2016-08-29 2018-09-18 珠海格力电器股份有限公司 Insulating pot

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Publication number Priority date Publication date Assignee Title
CN1199328A (en) * 1996-07-15 1998-11-18 奥特控制有限公司 Improvements relating to electrically heated vessels
CN2543460Y (en) * 2002-05-09 2003-04-09 万华 Ceramic electric kettle
CN201139431Y (en) * 2007-12-08 2008-10-29 方士达 Electric heating container
CN202681629U (en) * 2012-05-10 2013-01-23 浙江绍兴苏泊尔生活电器有限公司 Electric kettle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1199328A (en) * 1996-07-15 1998-11-18 奥特控制有限公司 Improvements relating to electrically heated vessels
CN2543460Y (en) * 2002-05-09 2003-04-09 万华 Ceramic electric kettle
CN201139431Y (en) * 2007-12-08 2008-10-29 方士达 Electric heating container
CN202681629U (en) * 2012-05-10 2013-01-23 浙江绍兴苏泊尔生活电器有限公司 Electric kettle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105395078A (en) * 2015-12-17 2016-03-16 宁波博威马特机械制造有限公司 Feeding bottle seat, milk warming bottle matched with feeding bottle seat and socket
CN105395078B (en) * 2015-12-17 2018-10-02 宁波博威马特机械制造有限公司 A kind of milk bottle holder and warm feeding bottle and socket with the cooperation of milk bottle holder

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