Electric kettle
Technical field
The present invention relates to the improvement of electric kettle.
Background technology
Electric kettle generally comprises kettle body, pot lid, heater block and temperature control parts.Kettle body top is provided with Hu Kou and Hu Zui, and Hu Kou can opened or close to pot lid.Also be provided with the delivery port that to open or to close through the button on the kettle body handle on the kettle body.When the user tilted the kettle body, the water in the kettle body can be poured out through delivery port and from Hu Zui.The principle of electric kettle automatic water boiler is: when water was heated to boiling, the temperature control parts detect high-temperature steam cut off the power supply heater block automatically, thereby realized heating up water fast automatically function.
For can be apace that water is boiled, Hu Kou and delivery port need sealing; And user's pouring for ease, delivery port then needs to open easily.In order to realize this purpose, Chinese utility model patent specification CN20137926Y discloses a kind of safety sealing device of electric kettle.The Hu Zuichu of this kettle is provided with valve seat, and valve seat is provided with perforate (being actually delivery port).This kettle also is provided with spout valve door, valve reseting spring, valve-opening mechanism.This valve-opening mechanism comprises water outlet button, connecting rod and lever, and this water outlet button and connecting rod are arranged on the handle of kettle body, and this lever is arranged in the pot lid, and an end of lever is connected with connecting rod, and the other end is connected with the spout valve door.When pressing the water outlet button, thereby the spout valve goalkeeper moves down the perforate of opening on the valve seat; Behind the water outlet push-button reset, the spout valve goalkeeper resets under the effect of valve reseting spring and closes the perforate on the valve seat.
Yet the parts of this kettle delivery port switching mechanism disperse to be arranged in kettle body handle, pot lid and the kettle body, and wherein water outlet button and connecting rod are arranged on the kettle body handle, and lever is arranged in the pot lid, and spout valve Men Ze is arranged on the inner valve seat of kettle body.It is not only complex structure of this dispersion set-up mode that adopts of switching mechanism; And when assembling, need proofread and correct the inner spout valve seat three's of handle, pot lid and kettle body cooperation position; Have deviation just possibly cause the switching mechanism cisco unity malfunction slightly as long as install, matching requirements are higher.The switching mechanism of this structure in addition, reliability is also not high enough.
Summary of the invention
The technical problem that the present invention solves provides a kind of electric kettle, and the mechanism structure that its control delivery port is opened and closed is simple, easy to assembly.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is:
A kind of electric kettle; Comprise kettle body, pot lid, heater block and temperature control parts; This kettle body comprises Hu Kou and Hu Zui; Wherein: said pot lid detachably buckles on Hu Kou, and pot lid is provided with the exhalant canal that is communicated with said kettle body inside and Hu Zui, and also is provided with the switching mechanism that is used to open or close this exhalant canal on the pot lid.
As one of improving: said switching mechanism comprises: be used to open or close the slide unit of said exhalant canal, be used to drive depression bar that slide unit moves and be used for first reset components that slide unit resets.
As two of improvement: also be provided with containing cavity in the said pot lid, said exhalant canal comprises delivery port, channel cavity and water inlet, and said slide unit comprises first that places this containing cavity respectively and the second portion that places this channel cavity; Wherein, Said delivery port place is provided with sealing ring; This first is provided with first drive division; Said depression bar is provided with and cooperates with this first drive division driving second drive division that said slide unit moves, and said first reset components places this containing cavity and cooperate to drive said slide unit with this first and to reset; This second portion is provided with and is used for and sealing that the sealing ring at this delivery port place is sealed and matched.
As three of improvement: said slide unit is a hollow part, and said first drive division is the inclined-plane that is provided with in its cavity, and this inclined-plane is arranged in said containing cavity, the inclined-plane of said second drive division for being slidingly matched with this inclined-plane.
As four of improvement: said pot lid is provided with the locking press button mechanism that cooperates with said depression bar.This locking press button mechanism can adopt the ratchet self-locking structure, or other can realize once pushing self-locking, and secondary is pushed the self-locking structure of release.
As five of improvement: the osculum that said containing cavity is provided with exhaust entrance and is communicated with said channel cavity, and also be provided with the air exit that is communicated with said containing cavity on the said pot lid.When heating up water, the steam in the kettle can get into containing cavity from exhaust entrance, after the air exit eliminating.Then can be back in the kettle body by the steam water that forms that condenses in the entering containing cavity, prevent ponding through this discharge outlet.
As six of improvement: said kettle body comprises shell, goes up collar and inner bag; This shell upper is provided with bayonet socket; The space that this bayonet socket surrounds is said Hu Kou; This inner bag and last collar are arranged in this shell, and this goes up the bottom of collar and the upper limb of this inner bag is tightly connected, and bayonet socket of the top of collar and this shell upper removably connects on this; Should go up collar be hollow and annular parts, and its side is provided with and the corresponding through hole of the delivery port of said pot lid, and the internal face of through hole below is provided with annular boss, and said pot lid buckles on this in collar, and its underpart is propped up and is located on this annular boss.The bayonet socket of last collar top and shell is fixed, and the bottom and the inner bag of last collar are fixed, and can further reinforce collar on the one hand, make to improve security of products and reliability by the fixing more firm of inner bag; Go up the shell that collar places electric kettle fully on the other hand, can also make that the outward appearance of kettle body is more succinct, more attractive in appearance.
As seven of improvement: the contact position of said pot lid bottom and said annular boss is provided with first sealing ring; Said going up on the collar side also is provided with the installing hole that is used to install said temperature control parts, is provided with in this installing hole to be used to prevent that steam from getting into second sealing ring of said temperature control part interior.First sealing ring can seal pot lid kettle body; Second sealing ring can be with the installing hole sealing that is used to install the temperature control parts; Add sealing on the aforesaid slide unit with the sealing of the delivery port of exhalant canal; Thereby form the thorough seal of electric kettle, make that this electric kettle efficient of heating up water is higher.
As eight of improvement: said kettle body bottom is provided with the following collar that is used for the said inner bag of support fixation.Following collar can further be reinforced inner bag.
As nine of improvement: between said inner bag and the said shell and/or said collar down be provided with heat-barrier material between bottom said inner bag.At these positions heat-barrier material is set, can further intercepts the heat conduction between inner bag and the shell, strengthen the heat insulation effect of kettle.
Compared with prior art, beneficial effect is: be arranged in the pot lid because exhalant canal and switching mechanism are concentrated, with respect to the dispersion set-up mode of existing kettle switching mechanism, structure is simpler.In addition because exhalant canal all is arranged on pot lid with the switching mechanism that is used to control the exhalant canal switch; And pot lid is the parts that detachably buckle on Hu Kou; Therefore producers need not to consider that pot lid is strict corresponding with the position of kettle body, and the production assembling is comparatively simple and convenient.
Description of drawings
Fig. 1 is the positive view of the electric kettle of present embodiment;
Fig. 2 is the stereogram of kettle body of the electric kettle of present embodiment;
Fig. 3 is one of local amplification view in top of Fig. 1;
Fig. 4 is the three-dimensional exploded view of slide unit of the electric kettle of present embodiment;
Fig. 5 is two of the local amplification view in the top of Fig. 1;
Fig. 6 is the three-dimensional exploded view of kettle body of the electric kettle of present embodiment;
Fig. 7 is the positive view of the electric kettle of present embodiment;
Fig. 8 is the stereogram of last collar of the electric kettle of present embodiment;
Fig. 9 is the local amplification view in the bottom of Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Like Fig. 1, shown in Figure 2, the electric kettle of present embodiment comprises kettle body 10, pot lid 20, heater block and temperature control parts 90, and this pot lid 20 detachably buckles on kettle mouth 11, and this kettle body 10 comprises kettle mouth 11 and kettle mouth 12.Wherein, pot lid 20 is provided with the exhalant canal that is communicated with kettle body 10 inside and kettle mouth 12, and the switching mechanism that is used to open or close this exhalant canal.
Like Fig. 3, shown in Figure 4, this switching mechanism comprises: be used to open or close the slide unit 41 of exhalant canal, be used to drive depression bar 42 that slide unit 41 moves and be used for first reset components 43 that slide unit 41 resets.Wherein the exhalant canal in the pot lid 20 comprises delivery port 31, channel cavity 32 and water inlet 33, and delivery port 31 places are provided with sealing ring 311, also is provided with containing cavity 21 in this external pot cover 20.
This slide unit 41 is a hollow part, and it comprises first 411 that places this containing cavity 21 respectively and the second portion 412 that places this channel cavity 32.Wherein, this first 411 is provided with first drive division 4111, and this depression bar 42 is provided with this first drive division 4111 and cooperates to drive second drive division 421 that slide unit 41 moves.In the present embodiment, this first drive division 4111 is for to be arranged on the inclined-plane (see figure 4) in these slide unit 41 cavitys, and it also is the inclined-plane that this inclined-plane is arranged in containing cavity 21, the second drive divisions 421.When depression bar 42 presses down, the inclined-plane of depression bar 42 ends will apply thrust to the right to the inclined-plane in the slide unit 41, make slide unit 41 move right, thereby open delivery port 31; Otherwise then close delivery port 31.
This first reset components 43 places this containing cavity 21 and cooperates with this first 411 to drive slide unit 41 and resets; This second portion 412 is provided with and is used for and sealing 4121 that this delivery port 31 is sealed and matched.In the present embodiment, this reset components is a back-moving spring, solid second portion 412 ends at this slide unit 41 of sealing portion 4121 spiral shells.When this slide unit 41 moves to when closing delivery port 31 positions, sealing portion 4121 cooperates to block this delivery port 31 with the sealing ring 311 at these delivery port 31 places.
Osculum 212 as shown in Figure 5, that the containing cavity 21 in this pot lid 20 is provided with exhaust entrance 211 and is communicated with channel cavity 32, and also be provided with the air exit 22 that is communicated with containing cavity 21 on the pot lid 20.When heating up water, the steam in the kettle can get into containing cavity 21 from exhaust entrance 211, after air exit 22 discharges.Get in the containing cavity 21 by the steam water that forms that condenses and then can be back in the kettle body 10, prevent ponding through this discharge outlet.
In addition, also be provided with the locking press button mechanism 23 that cooperates with depression bar 42 on this pot lid 20.In the present embodiment, this locking press button mechanism 23 adopts ratchet self-locking structures, or other can realize once pushing self-locking, and secondary is pushed the self-locking structure of release, to make things convenient for the user to open fast or to close delivery port 31.
Like Fig. 6 and shown in Figure 7, this kettle body 10 comprises shell 13, goes up collar 14 and inner bag 15, and these shell 13 tops are provided with bayonet socket 131, and the space that this bayonet socket 131 surrounds is kettle mouth 11 (see figure 2)s.This inner bag 15 is arranged in this shell 13 with last collar 14, and this goes up the bottom of collar 14 and the upper limb of this inner bag 15 is tightly connected through sealing ring 71.Upward the top of collar 14 and the bayonet socket 131 on this shell 13 tops removably connect, and are that buckle connects in the present embodiment, and upward also are embedded with the sealing ring 72 that is used to seal this bayonet socket 131 on the collar 14.
As shown in Figure 8, collar 14 is hollow and annular parts on this, and its side is provided with the delivery port 31 corresponding through holes 141 and the installing hole 142 that is used to install temperature control parts 90 with pot lid 20, and the internal face of these through hole 141 belows is provided with annular boss 143.As shown in Figure 5, when pot lid 20 buckles on this in collar 14, its underpart will be propped up and will be located on this annular boss 143.And the contact position of pot lid 20 bottoms and annular boss 143 is provided with first sealing ring 50, then is provided with in this installing hole 142 to be used to prevent that steam from getting into second sealing ring 60 of temperature control parts 90 inside.First sealing ring 50 can be with pot lid 20 and 10 sealings of kettle body; Second sealing ring 60 can be with installing hole 142 sealings that are used to install temperature control parts 90; Add sealing 4121 on the aforesaid slide unit 41 with 31 sealings of the delivery port of exhalant canal; Thereby form the thorough seal of electric kettle, make that this electric kettle efficient of heating up water is higher.
In addition, like Fig. 6, Fig. 7 and shown in Figure 9, for further reinforcing inner bag 15, the bottom of this housing is provided with the following collar 16 that is used for support fixation inner bag 15.Owing between inner bag 15 and the shell 13, leave the gap between time collar 16 and inner bag 15 bottoms, can make this electric kettle have higher heat-insulating property in the to a certain degree transmission of trap heat.Certainly, for further improving the heat insulation effect of electric kettle, can also between inner bag 15 and the shell 13 and/or between following collar 16 and inner bag 15 bottoms heat-barrier material 17 be set.In the present embodiment, be provided with heat-barrier material 17 between following collar 16 and inner bag 15 bottoms.
In the present embodiment, the exhalant canal of kettle and switching mechanism are concentrated and all are arranged in the pot lid 20, and with respect to the exhalant canal of existing kettle and the dispersion set-up mode of switching mechanism, structure is advantages of simple more.In addition; Because exhalant canal all is arranged on pot lid 20 with the switching mechanism that is used for controlling the exhalant canal switch; And pot lid 20 is the parts that detachably buckle on kettle mouth 11; Therefore producers need not to consider that pot lid 20 is strict corresponding with the position of kettle body 10, can guarantee the convenient quick pouring of user, and it is also comparatively simple and convenient therefore to produce assembly technology.