CN106580084A - Electric kettle with automatic power-off function available in case of gap in kettle lid - Google Patents

Abstract

The invention discloses an electric kettle with an automatic power-off function which is available in the case of a gap in the kettle lid. According to the kettle, an electromagnet is electrified since a temperature difference power generation device is used for absorbing heat generated when the electric kettle is used for heating water and generating electric energy on the basis of temperature difference from the outside, so that an iron sheet corresponding to the electromagnet is picked up to drive a moving block to pull an elastic reset part to descend, while a rack outside the moving block is clamped with a toothed chain; a toothed chain is arranged on a first rotating shaft and a second rotating shaft, and rotates to drive the first and second rotating shafts to rotate, rotation of the first rotating shaft enables a rotary press rod connected with the first rotating shaft to rotate and press down, the press part of the rotary press rod extends into the groove of the kettle lid to press the kettle lid, and the kettle lid is pressed down and closed, the cattle lid can be automatically closed when water is heated, various risks as the automatic power-off function cannot be started due to reduced impact of vapor for a power-off switch when vapor in the kettle body escapes from the gap since a user does not completely close the kettle lid can be prevented.

Description

Ensure that automatic circuit break function remains to the electric kettle for using when pot lid has gap

Technical field

The present invention relates to household appliance technical field, and in particular to ensure that automatic circuit break function remains to use when pot lid has gap Electric kettle.

Background technology

Electric kettle was born in Chicago,U.S in 1891, with the development of science and technology, quick, safe and convenient, abundant profit Day by day become the main feature of kettle with the energy；The appearance of insulating pot, not only solves people's time-consuming expense during heating up water The worry of power, the significantly scientific research technology by tip and the selection of internal precision parts so that the health of people Drinking-water life has and more fully ensures.Particularly insulating pot is constantly weeded out the old and bring forth the new in the research and development of temperature controller, more directly Facilitate the life of people.

Nowadays insulating pot on the market, typically there is such " triple protection " mark：1st, steam sensing protection, when Steam cock can be automatically switched off after boiling water, make kettle power-off；2nd, dry combustion method protection, when the water yield is burnt to less than lowest water level or burning When dry, kettle power-off is made；3rd, abnormal fuse protection, when such as both the above fails, with the continuous rising of temperature, in temperature controller A plastic push-rod will fuse automatically, make kettle reach power-off safe effect present；And decide this triple protection Effective execution, in addition to heat-generating disc, key is exactly " temperature controller " that insulating pot is selected to its core component；So-called " temperature controller ", Refer in simple terms control temperature of the insulating pot when heating up water, the quality of its quality will directly affect the embodiment of performance, especially It is security performance.Once because attemperating unit failure, water temperature can be raised constantly in the case of energization, can finally cause electric kettle Scorification, explosion, electric leakage, serious accident even on fire etc..

Electric kettle now has automatic trip function, but the pot lid of electric kettle has a buckle, user Pot lid is not firmly closed after when using electric kettle is filled water may cause pot lid to be not completely turned off, and electric kettle from The water vapour that dynamic trip avoidance function is produced when being by boiling water makes the bi-metal plate deformed of steam temperature-sensing element, and logical using deformation Cross lever principle and promote on and off switch, so that electric kettle is automatically powered off after water is boiled；Its power-off can not Self-resetting Therefore kettle will not be reheated automatically after power-off；But if pot lid is not completely turned off, gap will be left, vapor will be from A part is escaped in gap, it is just little to the impulsive force of cut-off switch, such electric kettle would not power-off, cause electric kettle Burning always, very taking electricity, or even if long-time does not find to cause it to heat up water always, the circuit of electric kettle may caused Plate short circuit burns out, or even the danger such as initiation fire.

The content of the invention

It is an object of the invention to provide can forget to drop pot lid and close in the case of closing pot lid in user to prevent meaning Outer ensures that automatic circuit break function remains to the electric kettle for using when pot lid has gap.

The present invention is achieved through the following technical solutions：Ensure that automatic circuit break function remains to the electricity for using when pot lid has gap Hot-water bottle, including kettle body, pot lid, pot lid switch, spout, kettle handle, kettle base, switch, heater, the pot lid is located at kettle body Top, the kettle base is additionally provided with spout and kettle handle located at kettle body lower section in the kettle body, the switch is arranged at kettle handle On, the heater is arranged on kettle base, and also including self closing device, the self closing device includes that pot lid is recessed Groove, casting lug thereon, iron plate, temperature difference electricity generation device, electric magnet, rotation down-pressed pole, first rotating shaft, toothed chain, electric wire, the second rotating shaft, shifting Motion block, tooth bar, dynamic clamping head and quiet clamping head, are provided with groove between the kettle body and pot lid, the casting lug thereon is arranged in groove and one End is connected with kettle body, and first rotating shaft, the first rotating shaft and the bottom for rotating down-pressed pole are provided with the casting lug thereon other end Connection, the rotation down-pressed pole top is provided with press section, is provided with the pot lid and coordinates with the press section for rotating down-pressed pole Pot lid groove, the casting lug thereon is arranged with movable block, and the movable block is connected by dynamic clamping head and quiet clamping head with casting lug thereon；It is described The second rotating shaft is additionally provided with first rotating shaft, is connected by toothed chain between the first rotating shaft and the second rotating shaft, the movable block Outside is additionally provided with tooth bar, and the tooth bar engages with toothed chain, and the movable block lower section is additionally provided with iron plate, and the bottom portion of groove sets Electric magnet is equipped with, the electric magnet is correspondingly arranged with iron plate；Temperature difference electricity generation device, institute are additionally provided with kettle body under the groove State temperature difference electricity generation device to be connected with electric magnet by electric wire；The electric magnet is arranged with thermal insulation layer；Arrange on the electric magnet There is buffer stopper；Anti-slip tank is provided with the kettle handle；The dynamic clamping head and quiet clamping head includes limited block and the shifting being arranged under protruding block Limited block on motion block, between described two limited blocks spring is arranged with.

The heat and the temperature difference in the external world that the present invention is produced when absorbing electric kettle water boiling by temperature difference electricity generation device is produced Certain electric energy is so that electric magnet energization, the iron plate that electric magnet is powered just can be caused and electric magnet is correspondingly arranged is by Attraction strap Dynamic movable block pulls dynamic clamping head and quiet clamping head to decline, and the tooth bar on the outside of movable block engages with toothed chain, toothed chain be arranged at first rotating shaft with In second rotating shaft, toothed chain is rotated and has driven first rotating shaft and the second rotating shaft also to rotate, and first rotating shaft is rotated and caused and first turn The rotation down-pressed pole of axle connection is rotated and pushed so that is stretched in pot lid groove and is pressed pot lid in the press section of rotation down-pressed pole so that Pot lid is pressed down closing, it is ensured that when heating up water, pot lid can be automatically switched off, and prevents user to be not completely turned off seam caused by pot lid Gap causes the vapor in kettle body to escape, and so as to cause vapor to reduce the impulsive force of cut-off switch, makes automatic circuit break function The various danger so as to cause cannot be started.

The invention has benefit that：1）Arranging self closing device prevents user not complete when electric kettle is burnt Contract fully pot lid and cause vapor effusion cause automatic circuit break function to start；2）Buffer stopper is provided with electric magnet, is used In the electric magnet life-span is increased, improve environment, prevent noise；3）Thermal insulation layer is set after electric magnet, for protecting electric magnet；4）Kettle handle Upper setting anti-slip tank, causes to scald for preventing user from electric kettle is slid in pouring；5）Movable block passes through with casting lug thereon Dynamic clamping head and quiet clamping head connects, and this structure can provide good restoring force, and spring is difficult abjection.

Description of the drawings

Fig. 1 is the structural representation of the present invention.

Fig. 2 is the sectional view of the present invention.

Fig. 3 is the structural representation of self closing device.

Specific embodiment

Below in conjunction with the accompanying drawings with specific embodiment, the invention will be further described.

See Fig. 1 to Fig. 3, it is ensured that automatic circuit break function remains to the electric kettle for using, including kettle body when pot lid has gap 1st, pot lid 3, pot lid switch 4, spout 5, kettle handle 6, kettle base 2, switch 7, heater 8, the pot lid 3 is located at the top of kettle body 1, The kettle base 2 is additionally provided with spout 5 and kettle handle 6 located at the lower section of kettle body 1 in the kettle body 1, the switch 7 is arranged at kettle handle 6 On, the heater 8 is arranged on kettle base 2, and also including self closing device A, the self closing device A includes pot lid Groove A1, casting lug thereon A4, iron plate A2, temperature difference electricity generation device A3, electric magnet A5, rotation down-pressed pole A15, first rotating shaft A9, toothed chain A10, electric wire A8, the second rotating shaft A12, movable block A13, tooth bar A14, dynamic clamping head and quiet clamping head, are provided between the kettle body 1 and pot lid 3 Groove, the casting lug thereon A4 is arranged in groove and its one end is connected with kettle body 1, and the is provided with the casting lug thereon A4 other ends One rotating shaft A9, first rotating shaft A9 is connected with the bottom for rotating down-pressed pole A15, and the rotation down-pressed pole A15 tops are provided with Press section, is provided with the pot lid groove A1, the casting lug thereon A4 coordinated with the press section for rotating down-pressed pole A15 on the pot lid 3 Movable block A13 is arranged with, the movable block A13 is connected by dynamic clamping head and quiet clamping head with casting lug thereon A4；Under first rotating shaft A9 The second rotating shaft A12 is additionally provided with, is connected by toothed chain A10 between first rotating shaft A9 and the second rotating shaft A12, the movable block A13 outsides are additionally provided with tooth bar A14, and the tooth bar A14 engages with toothed chain A10, and the movable block A13 lower sections are additionally provided with iron plate A2, the bottom portion of groove is provided with electric magnet A5, and the electric magnet A5 and iron plate A2 is correspondingly arranged；Kettle body 1 under the groove Temperature difference electricity generation device A3 is inside additionally provided with, the temperature difference electricity generation device A3 is connected by electric wire A8 with electric magnet A5；The electromagnetism Ferrum A5 is arranged with thermal insulation layer A7；Buffer stopper A6 is provided with the electric magnet A5；Anti-slip tank is provided with the kettle handle 6；Institute Dynamic clamping head and quiet clamping head is stated including the limited block A16 on the limited block A16 and movable block A13 being arranged under protruding block A4, it is described two Spring A17 is arranged between limited block A16.

In present embodiment, user when using electric kettle due to have on the pot lid 3 of electric kettle pot lid switch 4, And closed by buckle between pot lid 3 and kettle body 1, user causes pot lid when pot lid 3 is closed because of the buckle of pot lid 3 3 are not completely turned off and leave certain gap so that the vapor effusion when heating up water in kettle body 1, so as to cause vapor The impulsive force of cut-off switch is reduced, automatic circuit break function is started, and temperature difference electricity generation device is provided with the side wall of kettle body 1 A3, the water in kettle body 1 will cause temperature difference electricity generation device A3 both sides to produce the temperature difference so as to cause thermo-electric generation while heating Device A3 produces electric current, and electric current is sent to into electric magnet A5 so as to pass through electric wire A8 so that electric magnet A5 is powered, and just energy will be with electricity What magnet A 5 was correspondingly arranged is arranged at the iron plate A2 adhesives under movable block A13, tooth bar A14 and toothed chain that movable block A1 outsides are arranged A10 engages, and just toothed chain A10 rotations can be driven by tooth bar A14 while movable block A13 declines, and the is provided with toothed chain A10 One rotating shaft A9 and the second rotating shaft A12, toothed chain A10 are rotated and are driven first rotating shaft A9 and the second rotating shaft A12 also to rotate, and first rotating shaft A9 connections rotate the bottom of down-pressed pole A15, and first rotating shaft A9 is rotated and driven rotation down-pressed pole A15 rotations to cause to rotate down-pressed pole The press section on A15 tops is pressed in kettle body groove A1 so that pot lid 3 is pressed down to be caused to close completely, the water in such kettle body 1 Steam just can only be escaped from spout 5, can just cause vapor not reduce the impulsive force of cut-off switch, electric kettle oneself Dynamic circuit breaker Electricity Functional will start, and prevent user to be not completely turned off gap caused by pot lid 3 so that the vapor ease in kettle body 1 Go out, so as to cause vapor to reduce the impulsive force of cut-off switch, automatic circuit break function is started various so as to what is caused It is dangerous.

In present embodiment, buffer stopper A6 is provided with electric magnet A5, prevents adhesive between electric magnet A5 and iron plate A2 from producing It is raw directly to clash into, increase buffer stopper A6 and buffer for increasing the electric magnet A5 life-spans, improve environment, it is also prevented from noise.

In present embodiment, thermal insulation layer A7 is set, for protecting electric magnet A5 in electric heating kettle heating after electric magnet A5 Do not directly influenced by high temperature.

In present embodiment, anti-slip tank is set on kettle handle 6 so that user is convenient when using this product, moreover it is possible to For preventing user from electric kettle is slid in pouring so as to cause to scald or other injuries.

In present embodiment, dynamic clamping head and quiet clamping head includes being arranged on limited block A16 and movable block A13 under protruding block A4 Limited block A16, between described two limited block A16 spring A17 is arranged with, and this structure can provide good restoring force, in electromagnetism Movable block A13 is pulled up during ferrum A5 no powers push in kettle body groove A1 so that rotating down-pressed pole A15 and no longer stretching into so that pot lid 3 can be unlocked, and spring A17 is set in limited block A16 and is difficult abjection.

In present embodiment, also half is arranged in kettle body 1 the temperature difference electricity generation device A3, and half is arranged at outside kettle body 1, Power is provided for ensureing that the temperature difference of temperature difference electricity generation device A3 both sides makes it generate electricity.

Protection scope of the present invention includes but is not limited to embodiment of above, and protection scope of the present invention is with claims It is defined, any replacement being readily apparent that to those skilled in the art that this technology is made, deformation, improvement each fall within the present invention's Protection domain.

Claims (5)

1. ensure that automatic circuit break function remains to the electric kettle for using, including kettle body when pot lid has gap（1）, pot lid（3）, kettle Lid switch（4）, spout（5）, kettle handle（6）, kettle base（2）, switch（7）, heater（8）, the pot lid（3）Located at kettle body （1）Top, the kettle base（2）Located at kettle body（1）Lower section, the kettle body（1）On be additionally provided with spout（5）With kettle handle（6）, institute State switch（7）It is arranged at kettle handle（6）On, the heater（8）It is arranged at kettle base（2）On, it is characterised in that：Also include certainly Dynamic shutoff device（A）, the self closing device（A）Including pot lid groove（A1）, casting lug thereon（A4）, iron plate（A2）, the temperature difference send out Electric installation（A3）, electric magnet（A5）, rotate down-pressed pole（A15）, first rotating shaft（A9）, toothed chain（A10）, electric wire（A8）, second turn Axle（A12）, movable block（A13）, tooth bar（A14）, dynamic clamping head and quiet clamping head, the kettle body（1）With pot lid（3）Between be provided with groove, institute State casting lug thereon（A4）It is arranged in groove and its one end and kettle body（1）Connection, the casting lug thereon（A4）Is provided with the other end One rotating shaft（A9）, the first rotating shaft（A9）With rotation down-pressed pole（A15）Bottom connection, the rotation down-pressed pole（A15）Top End is provided with press section, the pot lid（3）On be provided with and rotate down-pressed pole（A15）Press section coordinate pot lid groove （A1）, the casting lug thereon（A4）It is arranged with movable block（A13）, the movable block（A13）By dynamic clamping head and quiet clamping head and casting lug thereon （A4）Connection；The first rotating shaft（A9）Under be additionally provided with the second rotating shaft（A12）, the first rotating shaft（A9）With the second rotating shaft （A12）Between pass through toothed chain（A10）Connection, the movable block（A13）Outside is additionally provided with tooth bar（A14）, the tooth bar（A14） With toothed chain（A10）Engaging, movable block (A13) lower section is additionally provided with iron plate（A2）, the bottom portion of groove is provided with electric magnet （A5）, the electric magnet（A5）With iron plate（A2）It is correspondingly arranged；Kettle body under the groove（1）Inside it is additionally provided with thermo-electric generation dress Put（A3）, the temperature difference electricity generation device（A3）By electric wire（A8）With electric magnet（A5）Connection.

2. it is according to claim 1 to ensure that automatic circuit break function remains to the electric kettle for using when pot lid has gap, its It is characterised by：The electric magnet（A5）It is arranged with thermal insulation layer（A7）.

3. it is according to claim 1 to ensure that automatic circuit break function remains to the electric kettle for using when pot lid has gap, its It is characterised by：The electric magnet（A5）On be provided with buffer stopper（A6）.

4. it is according to claim 1 to ensure that automatic circuit break function remains to the electric kettle for using when pot lid has gap, its It is characterised by：The kettle handle（6）On be provided with anti-slip tank.

5. it is according to claim 1 to ensure that automatic circuit break function remains to the electric kettle for using when pot lid has gap, its It is characterised by：The dynamic clamping head and quiet clamping head includes being arranged at protruding block（A4）Under limited block（A16）And movable block（A13）On limit Position block（A16）, described two limited blocks（A16）Between be arranged with spring（A17）.