CN101828857B

CN101828857B - Electric kettle capable of automatically shutting off steam channel

Info

Publication number: CN101828857B
Application number: CN2010101511665A
Authority: CN
Inventors: 何建强
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-04-20
Filing date: 2010-04-20
Publication date: 2012-01-25
Anticipated expiration: 2030-04-20
Also published as: CN101828857A

Abstract

The invention discloses an electric kettle capable of automatically shutting off steam channel, which comprises a kettle body and a switch button communicated with the inside of the kettle body through a steam channel component. The steam channel component comprises a steam pipe and a steam box; the two ends of the steam pipe are respectively communicated with the inside of the kettle body and the inside of the steam box; a steam sensing switch crosses in the steam box; a bimetallic strip is arranged at one side of the steam sensing switch, and a movable rod and a pair of electric contacts are arranged at the other side of the steam sensing switch; the movable rod is connected with the tail end of the switch button; the middle of the switch button is hinged on the steam box; a piston device is arranged joint between the steam pipe and the steam box; a connection rod is connected on the piston device; the tail end of the connection rod is hinged on the steam box, and the middle of the connection rod is sleeved on the switch button. The invention can power off and shut off the steam channel at the same time; and the steam sensing switch has high reset speed and is convenient to clean as the steam only forms a small amount of condensed water to overflow after condensed.

Description

A kind of electric kettle of automatically shutting off steam channel

Technical field

The present invention relates to the electric kettle of a kind of electric calorifie installation, particularly a kind of automatically shutting off steam channel.

Background technology

Present electric kettle mostly has heating and automatically shuts down function, when the water in the kettle or other liquid heat can make electric kettle convenient in use automatically with the circuit shutoff of electric kettle during to boiling.Current most product all is to adopt temperature-sensitive element such as bimetal leaf or memory alloy element to realize the above-mentioned function that automatically shuts down.

Utilize steam channel steam to be guided to the position of bimetal leaf in the product big city that utilizes bimetallic element to realize; Make bimetal leaf can in time respond to the variations in temperature in the kettle; Bimetal leaf can make the inductive switch action at once when guaranteeing in the kettle liquid boiling, with power remove.But the problem that current this product exists is that after the automatic disconnection of electric kettle power supply, the steam in the kettle also can continue to enter into the bimetal leaf present position; The bimetallic sector-meeting continues induction high temperature, and inductive switch resets slowly, has inconvenience when liquid heats again in the user need be to kettle; In addition, steam constantly condenses on steam channel, and steam condensate (SC) can further overflow outside kettle; Cause the illusion of leaking to the user, and cause the trouble in the cleaning.

Summary of the invention

For addressing the above problem, the present invention provide a kind of easy to use, the steam inductive switch resets fast, can effectively reduce the electric kettle of the automatically shutting off steam channel of steam condensate (SC).

The technical scheme that the present invention is adopted for its problem of solution is:

A kind of electric kettle of automatically shutting off steam channel; Comprise the kettle body and be installed on the shift knob on the kettle body, said shift knob communicates through the inside of steam channel assembly with the kettle body, and said steam channel assembly comprises steam pipe and steam box; The two ends of steam pipe communicate with kettle body inside and steam cassette interior respectively; Across the steam inductive switch is installed, the side that the steam inductive switch is communicated with steam pipe is provided with bimetal leaf in the said steam box, and the opposite side of steam inductive switch is provided with the motion bar that links with bimetal leaf and receives the motion bar action and the pair of electrical contact of realization break-make; Motion bar is connected with the end of shift knob; The middle part of said shift knob is articulated on the steam box, and said steam pipe and junction between the steam box are provided with and are used to control be connected with the steam box piston apparatus of the formed passage break-make in back of steam pipe, are connected to connecting rod on the piston apparatus; The end of connecting rod is articulated on the steam box, and the middle part of connecting rod is socketed on the shift knob.

Wherein, Said piston apparatus comprise one be used for passage between cut steam pipe and the steam box piston head and extend the outside extension arm of steam box; The end of said extension arm is provided with through hole, and the position corresponding with through hole is provided with the column that is plugged in the through hole on the said connecting rod.

Further, said steam box is installed on the bottom of kettle body, and said steam pipe is a microscler pipe, and the steam box is connected with the inner top position of kettle body through microscler pipe.

Further, the end that said steam pipe communicates with kettle body inside is socketed with the pipe lid, and the outlet of pipe lid is arranged on the side locations of pipe lid.

Further; Said steam box comprises loam cake, lower cover and middle plate; Said loam cake, lower cover and steam inductive switch form vaporium; Plate is fixedly installed in the vaporium middle part in said, and middle plate is provided with opening away from a side of steam inductive switch, and the corresponding position of said lower cover and opening is provided with tap.

Steam inductive switch of the present invention communicates with kettle body inside through the steam channel that is formed by steam pipe and steam box, and when the user pressed shift knob and heats, the electric contact on the steam inductive switch was connected; Heater circuit energising work, the piston apparatus of junction moves under the leverage of connecting rod between steam pipe and the steam box simultaneously, makes steam channel be in unimpeded state; When the inner liquid heat of kettle body during to boiling, its steam that sends can be sent to bimetal leaf one side of steam inductive switch through steam channel, and bi-metal plate deformed produces active force makes the motion bar of switch opposite side move; Break off between two electric contacts, heater circuit breaks off, and motion bar drives the shift knob action simultaneously; Shift knob is returned to the normal position, and shift knob can move by drivening rod in Recovery Process, utilizes leverage to make connecting rod move together with piston apparatus; Piston apparatus blocking-up steam channel, excess steam can't continue to pass through, and utilizes the above-mentioned course of work effect with shutting off steam channel that can realize cutting off the power supply simultaneously; Because steam channel was cut off after heating was accomplished, the temperature of bimetal leaf present position can descend fast, and it just can be returned to normal position in the short period of time; Therefore the steam inductive switch has reset speed fast, in addition, and after steam channel is turned off; Steam pipe and steam cassette interior are only understood residual steam; The condensed water that only can form minute quantity after the condensation overflows, and can not cause the illusion of leaking to the user, cleaning easy to use.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the present invention is described further:

Fig. 1 is the integrally-built inner cross-sectional schematic of the present invention;

Fig. 2 is the structural representation of steam channel assembly;

Fig. 3 is the decomposition texture sketch map of steam channel assembly;

Fig. 4 is the inside decomposition texture sketch map of steam box;

Fig. 5 is the inside decomposition texture sketch map of the another kind of angle of steam box;

Fig. 6 is the decomposition texture upward view of steam box.

The specific embodiment

Referring to figs. 1 through Fig. 6; The electric kettle of a kind of automatically shutting off steam channel provided by the present invention comprises kettle body 1 and is installed on the shift knob 2 on the kettle body 1, in order to realize the function automatically shut down according to kettle body 1 temperature inside; Said shift knob 2 communicates through the inside of steam channel assembly with kettle body 1; Said steam channel assembly comprises steam pipe 3 and steam box 4, and the two ends of steam pipe 3 communicate with kettle body 1 inside and steam box 4 inside respectively, can adopt the mode of direct grafting when steam pipe 3 and steam box 4 internal communication or utilize auxiliary member 23 to transfer; In the said steam box 4 across steam inductive switch 5 is installed; The side that steam inductive switch 5 is communicated with steam pipe is provided with bimetal leaf 6, and the opposite side of steam inductive switch 5 is provided with the motion bar 7 that links with bimetal leaf 6 and receives motion bar 7 actions and the pair of electrical contact 8,9 of realization break-make, and motion bar 7 is connected with the end of shift knob 2; The both sides, middle part of said shift knob 2 are provided with fulcrum 22; Shift knob 2 is articulated on the steam box 4 through fulcrum 22, and the junction between said steam pipe 3 and the steam box 4 is provided with the piston apparatus 10 that is used for the control channel break-make, is connected to connecting rod 11 on the piston apparatus 10; The end of connecting rod 11 is articulated on the steam box 4, and the middle part of connecting rod 11 is socketed on the shift knob 2.

In the product of reality, shift knob 2 stretches out kettle body 1 part outward as the operating side that people use always, is used to control the break-make of electric kettle power supply; Electric contact 8 on the steam inductive switch 5 is serially connected with in the heater circuit of electric kettle with electric contact 9, when electric contact 8 and 9 is communicated with, and heater circuit work; When electric contact 8 broke off with electric contact 9, heater circuit quit work, and the break-make between electric contact 8 and the electric contact 9 receives the control of motion bar 7; And motion bar 7 both can pass through shift knob people hand control, can utilize with it the bimetal leaf 6 of interlock to respond to control again, when the user presses shift knob 2 and heats; Electric contact 8 is connected with electric contact 9, heater circuit energising work, and the piston apparatus 10 of junction moves under the leverage of connecting rod 11 between steam pipe 3 and the steam box 4 simultaneously; Make steam channel be in unimpeded state, when the inner liquid heat of kettle body when seething with excitement, its steam that sends can be sent to bimetal leaf 6 one sides of steam inductive switch 5 through steam channel; Bimetal leaf 6 distortion produce active force makes the motion bar 7 of switch opposite side move; Two electric contacts 8, break off between 9, heater circuit breaks off, and motion bar 7 drives shift knobs 2 actions simultaneously; Shift knob 2 is returned to the normal position; Shift knob 2 can move by drivening rod 11 in Recovery Process, utilizes leverage to make connecting rod 11 together with piston apparatus 10 actions, piston apparatus 10 blocking-up steam channels; Excess steam can't continue to pass through, and utilizes the above-mentioned course of work effect with shutting off steam channel that can realize cutting off the power supply simultaneously.Because steam channel was cut off after heating was accomplished, the temperature of bimetal leaf present position can descend fast, and it just can be returned to normal position in the short period of time; Therefore the steam inductive switch has reset speed fast, in addition, and after steam channel is turned off; Steam pipe and steam cassette interior are only understood residual steam; The condensed water that only can form minute quantity after the condensation overflows, and can not cause the illusion of leaking to the user, cleaning easy to use.

As preferred embodiment; Piston apparatus 10 comprise one be used for passage between cut steam pipe 3 and the steam box 4 piston head 12 and extend the outside extension arm 13 of steam box 4; The end of said extension arm 13 is provided with through hole 14, is provided with the column 15 that is plugged in the through hole 14 with through hole 14 corresponding positions on the connecting rod 11.Utilize the above-mentioned structure can be so that piston head 12 parts of piston apparatus 10 are moved in steam box 4, and extension arm 13 be arranged at outside the steam box, is convenient to be connected with connecting rod 11, and piston head 12 is defined in the certain limit moves.In the present embodiment, when piston head 12 moved upward in company with connecting rod 11, steam channel turn-offed, and when piston head 12 moved downward, steam channel was opened.

In addition; As further preferred embodiment; Steam box 4 is installed on the bottom of kettle body 1, and said steam pipe 3 is a microscler pipe, and steam box 4 is connected with kettle body 1 inner top position through microscler pipe; Kettle body 1 inner steam can not flow in the steam box 4 in a large number after adopting this structure, and 3 of steam pipes can be incorporated into kettle body 1 inner and upper fraction high-temperature steam in the steam box 4.As further preferred embodiment; The end that steam pipe 3 communicates with kettle body inside is socketed with pipe and covers 16; Pipe cover 16 outlet and is arranged to manage and covers on 16 the side locations; Steam pipe 3 is with the condensing drip that can avoid forming on the electric kettle lid behind this pipe lid 16 and splashes into, and the condensed water quantity in the steam channel is maintained floor level.

As preferably; Said steam box 4 comprises loam cake 17, lower cover 18 and middle plate 19, and said loam cake 17, lower cover 18 form vaporiums with steam inductive switch 5, said in plate 19 be fixedly installed in the vaporium middle part; Middle plate 19 is provided with opening 20 away from a side of steam inductive switch 5; Said lower cover 18 is provided with tap 21 with opening 21 corresponding positions, and being provided with of middle plate 19 can be played the effect that guides steam, and the tap 21 that is provided with on the lower cover 18 can be discharged the condensed waters that form in the steam box 5.

Can find out that by above structure of the present invention is described the steam channel assembly is an overall structure that is relatively independent of other assemblies of electric kettle, when needs are dismantled or keeped in repair, can operate very easily.

Claims

1. the electric kettle of an automatically shutting off steam channel; Comprise kettle body (1) and be installed on the shift knob (2) on the kettle body (1); Said shift knob (2) communicates through the inside of steam channel assembly with kettle body (1); It is characterized in that said steam channel assembly comprises steam pipe (3) and steam box (4); The two ends of steam pipe (3) communicate with kettle body (1) inside and steam box (4) inside respectively; Across steam inductive switch (5) is installed, the side that steam inductive switch (5) is communicated with steam pipe is provided with bimetal leaf (6) in the said steam box (4), and the opposite side of steam inductive switch (5) is provided with the motion bar (7) that links with bimetal leaf (6) and receives motion bar (7) action and the pair of electrical contact (8,9) of realization break-make; Motion bar (7) is connected with the end of shift knob (2); The middle part of said shift knob (2) is articulated on the steam box (4), and said steam pipe (3) and junction between the steam box (4) are provided with and are used to control be connected with the steam box piston apparatus (10) of the formed passage break-make in back of steam pipe, are connected to connecting rod (11) on the piston apparatus (10); The end of connecting rod (11) is articulated on the steam box (4), and the middle part of connecting rod (11) is socketed on the shift knob (2).

2. the electric kettle of a kind of automatically shutting off steam channel according to claim 1; It is characterized in that said piston apparatus (10) comprise one be used for passage between cut steam pipe (3) and the steam box (4) piston head (12) and extend the outside extension arm (13) of steam box (4); The end of said extension arm (13) is provided with through hole (14), and said connecting rod (11) is gone up with the corresponding position of through hole (14) and is provided with the column (15) that is plugged in the through hole (14).

3. the electric kettle of a kind of automatically shutting off steam channel according to claim 1; It is characterized in that said steam box (4) is installed on the bottom of kettle body (1); Said steam pipe (3) is a microscler pipe, and steam box (4) is connected with the inner top position of kettle body (1) through microscler pipe.

4. according to the electric kettle of claim 1 or 3 described a kind of automatically shutting off steam channel; It is characterized in that the end that said steam pipe (3) communicates with kettle body inside is socketed with pipe lid (16), the outlet of pipe lid (16) is arranged on the side locations of pipe lid (16).

5. the electric kettle of a kind of automatically shutting off steam channel according to claim 1; It is characterized in that said steam box (4) comprises loam cake (17), lower cover (18) and middle plate (19); Said loam cake (17), lower cover (18) form vaporium with steam inductive switch (5); Plate (19) is fixedly installed in the vaporium middle part in said; Middle plate (19) is provided with opening (20) away from a side of steam inductive switch (5), and said lower cover (18) is provided with tap (21) with the corresponding position of opening (21).