CN208988501U

CN208988501U - electric water cup

Info

Publication number: CN208988501U
Application number: CN201721300210.8U
Authority: CN
Inventors: 王国栋; 李建; 史庭飞; 黄清仕; 徐智锋
Original assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Current assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Priority date: 2017-10-10
Filing date: 2017-10-10
Publication date: 2019-06-18
Anticipated expiration: 2027-10-10

Abstract

The utility model provides an electric water cup, which comprises a cup body (30), a cup cover (10), a heating device (34) and a base (40), wherein the cup cover (10) is provided with a steam outlet (11), one surface of the cup cover (10) facing the inside of the cup body (30) is provided with a cover body (13) which can be sealed and enclosed on the outer edge of the steam outlet (11), and the cover body (13) is provided with a steam inlet (131); further comprising: the sealing assembly (20) is used for moving towards the cup cover (10) under the driving of steam in the cup body (30) so as to enable the steam inlet (131) to be communicated with the steam outlet (11), and moving towards the steam inlet (131) and sealing on the steam inlet (131) when the steam pressure in the cup body (30) is reduced. The utility model provides an increase of consumption and sealing member forget sealed technical problem that causes liquid easily to flow out in the cup when exhausting hole when current electric water cup has been solved to electric water cup heating.

Description

Electrothermal water cup

Technical field

The utility model relates to a kind of electric heater unit, in particular to a kind of electrothermal water cup.

Background technique

Electrothermal water cup is a kind of equipment heated by converting electrical energy into thermal energy to the liquid in cup, due to electric water Cup have many advantages, such as heating speed fastly, power saving and portable be widely used in the places such as family, office and open air.

Currently, patent (CN205234279U) discloses a kind of electrothermal water cup, specifically include (referring to such as Fig. 1 and Fig. 2): cup body 1, Cup lid 2, pedestal 3, temperature control device 4 and heating device 5, wherein cup lid 2 be sealed in the top of cup body 1, cup body 1 bottom end with Pedestal 3 is connected, and for heating to the intracorporal water of cup between cup body and pedestal, temperature control device 4 is used for heating device 5 The power supply of heating device 5 is disconnected when detecting the intracorporal water boiling of cup so that heating device 5 stops heating, in use, In order to enable electrothermal water cup when carrying or toppling over will not leak, often will be set as being tightly connected between cup lid 2 and cup body 1, electricity Cup when heated, connects external power supply first, presses electrothermal water cup upper switch button, the starting heating of heating device 5, with heating The continuous heating of device 5, the water temperature in cup body 1 constantly rise, when temperature control device 4 detects cup intracorporal water boiling cutting plus The power supply of thermal 5 is so that heating device 5 stops heating, wherein in electrothermal water cup heating process, if cup lid 2 seals When on the top end opening of cup body 1, with the raising of the water temperature in cup body 1, the vapour pressure in cup body 1 can constantly increase, and work as cup Often there is some potential safety problems when excessive in the vapour pressure in body 1, for this purpose, often opening up gas vent on cup lid 2, together When setting be used for the sealing elements of seal vents, when heating, sealing element is removed from gas vent, at the end of heating, will be sealed Part is sealed on gas vent, or often removes cup lid 2 from cup body 1 in electrothermal water cup heating process, i.e., electrothermal water cup heats The top end opening of cup body 1 is open in the process.

However, above-mentioned electrothermal water cup is during heating, if the top end opening of cup body 1 be it is open, in this way heated Thermal losses is larger in journey so that electrothermal water cup during heating needed for heating time increase or heating power increase, finally Cause the power consumption of electrothermal water cup larger, and when gas vent and sealing element are arranged on cup lid, often forget after heating The case where sealing element is sealed in gas vent, shakes in such carrying process or water when inclination in cup is easy to from unencapsulated Gas vent outflow, causes very big inconvenience to user.

Utility model content

In order to solve to mention in background technique be related to electrothermal water cup heating when power consumption increase and due to sealing element forget it is close Cause at least one problem that liquid easily flows out in cup body when being enclosed in gas vent, the utility model provides that a kind of power consumption is lower and cup Internal water is not easy the electrothermal water cup flowed out.

The utility model provides a kind of electrothermal water cup, including cup body, cup lid, pedestal and heating device, wherein the cup lid is close Capping is located at the top of the cup body, offers venthole on the cup lid, and the cup lid is towards setting in the intracorporal one side of cup There is the salable cover being disposed around on the venthole outer edge, opens up air intake on the cover；

Further include: seal assembly, the seal assembly are used to move under steam drive towards the cup lid in the cup body It is dynamic so that the air intake is connected to the venthole, and in the intracorporal vapour pressure reduction of the cup towards the air intake It moves and is sealed on the air intake.

By offering venthole on cup lid, cup lid is disposed around venthole equipped with salable towards the intracorporal one side of cup Cover on outer edge opens up air intake on cover, while further including seal assembly, and seal assembly is used for the steam in cup body and drives It is mobile towards cup lid so that air intake be connected to venthole under dynamic, and in the intracorporal vapour pressure reduction of cup towards air intake shifting It moves and is sealed on air intake, so during heating, when the intracorporal vapour pressure of cup is larger, the intracorporal steam drive of cup is close The seal assembly being enclosed on air intake is mobile towards cup lid, so that air intake is opened, is connected inside venthole and cup body, cup body Interior steam discharges so that the intracorporal vapour pressure of cup is not easy excessive, and after the intracorporal steam of cup discharges, cup is intracorporal Vapour pressure reduces, and seal assembly is mobile towards air intake and is sealed on air intake, this avoid forget in the prior art by Sealing element is sealed on gas vent and leads to the problem of intracorporal liquid of cup easily flows out in carrying process, meanwhile, electrothermal water cup is adding Only just there is thermal losses when air intake is opened in thermal process, compared with existing cup body opens wide, thermal losses is reduced, power consumption drop Low, therefore, electrothermal water cup provided in this embodiment, power consumption increases when solving the heating of existing electrothermal water cup and sealing element is forgotten to seal The technical issues of liquid easily flows out in cup body is caused in gas vent.

Optionally, the seal assembly includes spool for sealing the air intake and for driving the spool close Be enclosed in the actuator of the air intake, wherein the spool is located in the cover, the actuator be located in the cover or Outside cover described in person.

Optionally, the actuator is weighted spherical ball, wherein the weighted spherical ball is located at outside the cover, and the weighted spherical ball It is connected with the intracorporal spool of cover, the spool is sealed in the air intake under the gravity of the weighted spherical ball On.

Optionally, flexible connecting member is equipped between the spool and the weighted spherical ball, wherein the one of the flexible connecting member End is connected with the spool, and the other end of the flexible connecting member is connected with the weighted spherical ball.

Optionally, the actuator is elastic component, and the elastic component is located in the cover, and one end of the elastic component It is connected with the inner wall of the cover, the other end of the elastic component is connected with the spool, and the spool is in the elastic component bullet It is sealed on the air intake under power effect.

Optionally, be equipped with the mobile space mobile for the spool in the cover, and the mobile space with it is described Venthole is connected with the air intake.

Optionally, the one side of the cup lid towards the cup body, which is equipped with, seals the liner lid being connected with the cup lid, and The cover is the liner lid lug boss for being positioned against the cup body internal projection corresponding with the venthole.

Optionally, the air intake is provided with the bottom end of the lug boss.

Optionally, the cup body includes cup body and the bottom cover that is connected with the cup body bottom end seal, the heating device It is located at the bottom end of the cup body and is connected with the temperature controller being arranged in the bottom cover.

Optionally, the bottom surface of the bottom cover is equipped with the first connector, and the top surface of the pedestal is equipped with and described first Second connector of connector cooperation, wherein first connector is electrical connected with the temperature controller, second connector It is electrical connected with the power supply line being arranged on the pedestal.

The construction of the utility model and its other purpose of utility model and beneficial effect will be in conjunction with the accompanying drawings Description of preferred embodiments and it is more obvious and easy to understand.

Detailed description of the invention

Fig. 1 is the structural schematic diagram that cup lid and cup body separate in existing electrothermal water cup；

Fig. 2 is that cup lid lid is located at the structural schematic diagram on cup body in existing electrothermal water cup；

Fig. 3 is the structural schematic diagram for the electrothermal water cup that the utility model embodiment one provides；

Fig. 4 is the structural schematic diagram that the electrothermal water cup that the utility model embodiment one provides is in exhaust shape body；

Fig. 5 is the inverted structural schematic diagram of cup lid in the electrothermal water cup of the offer of the utility model embodiment one.

Description of symbols:

Cup lid -10；

Venthole -11；

Liner lid -12；

Cover -13；

Air intake -131；

Mobile space -132；

Seal assembly -20；

Spool -21；

Actuator -22；

Flexible connecting member -23；

Cup body -30；

Cup body -31；

Bottom cover -32；

Temperature control device -33；

Heating device -34；

First connector -35；

Pedestal -40；

Power supply line -41；

Second connector -42.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to The range of the utility model protection.

Embodiment one

Fig. 3 is the structural schematic diagram for the electrothermal water cup that the utility model embodiment one provides, and Fig. 4 is the utility model embodiment One electrothermal water cup provided is in the structural schematic diagram of exhaust shape body, and Fig. 5 is in the electrothermal water cup that the utility model embodiment one provides The inverted structural schematic diagram of cup lid, in the present embodiment, as in Figure 3-5, electrothermal water cup includes: cup body 30, cup lid 10,40 and of pedestal Heating device 34, wherein 10 sealing cover of cup lid is located on the top end opening of cup body 30, and the inner surface of cup lid 10 and cup body 30 encloses At the accommodating chamber for containing liquid, which for example can be water, wherein in the present embodiment, between cup body 30 and pedestal 40 It can be to be fixedly connected, i.e., pedestal 40 fixes the bottom end for being located at cup body 30, or can be as shown in figure 3, cup body 30 and pedestal 40 Between for split, by connector electric connection between cup body 30 and pedestal 40, when needing cup body 30 to be placed on pedestal 40 On when being heated, then cup body 30 is placed on the base 40 it, and when cup body 30 does not need heating, then cup body 30 can be from pedestal 40 On remove, in this way in carrying process can only carry cup body 30, carry it is more convenient.

Wherein, in the present embodiment, the temperature control device 33 being electrical connected with heating device 34, temperature control device are equipped in cup body 30 33 are attached by power supply line 41 with external power supply, wherein and heating device 34 is used to heat the liquid in accommodating chamber, Temperature control device 33 is used for when detecting that the temperature for accommodating intracavity liquid reaches boiling temperature, executes disconnection movement, so that heating The power supply of device 34 disconnects, and electrothermal water cup stops heating.

Wherein, in the present embodiment, heating device 34 and temperature control device 33 can be specifically located in pedestal 40, can also be located at The bottom end of cup body 30, in the present embodiment, as shown in Figure 3-4, heating device 34 and temperature control device 33 are specifically located at the bottom of cup body 30 End.

Wherein, in the present embodiment, heating device 34 is specifically as follows heating dish, or the heating equipments such as heating tube, Wherein, temperature control device 33 is specially temperature controller or temperature detect switch (TDS), wherein heating device 34 and temperature control device 33 are existing set It is standby, therefore repeated no more in its structure and principle the present embodiment.

Wherein, in electrothermal water cup heating process, if 10 sealing cover of cup lid is located on the top end opening of cup body 30, with cup Temperature in body 30 constantly rises, and intrinsic vapour pressure constantly increases, and makes electrothermal water cup heated when vapour pressure is excessive There are biggish security risks in journey, wherein and in order to avoid the intracorporal vapour pressure of cup is excessive, commonly uses and use two ways, it is a kind of When in electrothermal water cup heating process, cup lid 10 is removed from cup body 30, and cup body 30 opens wide during heating, however heated In journey due to cup body 30 be it is open, there is thermal losses during heating in this way so that the power consumption of electrothermal water cup increases, another kind It is that open up gas vent, while sealing element is set on gas vent on cup lid 10, sealing element takes from gas vent in heating process Under, sealing element lid is located on gas vent by heating after receiving, however often occurs forgetting to seal sealing element in use On gas vent, so that the liquid in inclination or overturning in cup body 30 easily flows out.

For this purpose, in the present embodiment, to solve the above-mentioned problems, specifically, as shown in Figure 3-4, being offered on cup lid 10 Venthole 11, and cup lid 10 is equipped with the salable cover being disposed around on 11 outer edge of venthole towards the one side in cup body 30 13, i.e., in the present embodiment, cover 13 is disposed around on the outer edge of venthole 11, and between cover 13 and the outer edge of venthole 11 It is tightly connected, meanwhile, air intake 131 is opened up on cover 13, air intake 131 is connected with the inner cavity of cup body 30, meanwhile, into vapour What mouth 131 was connected with venthole 11, such venthole 11 is connected by air intake 131 with the inner cavity of cup body 30.

Wherein, in order to realize be vented outwards when the vapour pressure in cup body 30 is excessive with reduce the vapour pressure in cup body 30 with And the purpose sealed when vapour pressure is smaller in cup body 30, in the present embodiment, as shown in Figure 3, further includes: seal assembly 20, it is close Sealing assembly 20 is sealed on air intake 131, and towards cup lid 10 under the steam drive generated after the liquid heating in cup body 30 It is mobile, towards air intake 131 when vapour pressure reduction so that air intake 131 is connected with venthole 11, and in cup body 30 It moves and is sealed on air intake 131, specifically, seal assembly 20 is sealed in into vapour when the vapour pressure in cup body 30 is smaller On mouth 131, so that not being connected between venthole 11 and the inner cavity of cup body 30, and the liquid in cup body 30 is in the close of seal assembly 20 It is not easy to flow out from air intake 131 under envelope effect, when the vapour pressure in cup body 30 is excessive, 20 direction of steam drive seal assembly Cup lid 10 is mobile, and seal assembly 20 leaves air intake 131 at this time, and air intake 131 is opened, and air intake 131 is connected with venthole 11 Logical, the steam in cup body 30 can be discharged from venthole 11 to outside cup body 30 by air intake 131, so that the steam in cup body 30 Pressure drop is low, and when the steam drop in cup body 30 is as low as certain value, seal assembly 20 is under gravity or elastic force effect towards into vapour Mouthfuls 131 it is mobile simultaneously reseals on air intake 131 so that air intake 131 is sealed, such carrying process or shake When dynamic and overturning, the liquid in cup body 30 is not easy to flow out from venthole 11, so that safer in carrying process.

Therefore, electrothermal water cup provided in this embodiment during heating, when the vapour pressure in cup body 30 is smaller, sealing group Part 20 is sealed in always on air intake 131, and so during heating, thermal losses is less, only when the steam in cup body 30 Pressure increases to when seal assembly 20 can be driven mobile, and seal assembly 20 is mobile towards cup lid 10 under the action of vapour pressure, into vapour Mouth 131 is opened, and is connected inside venthole 11 and cup body 30, the steam in cup body 30 discharges, steam in such cup body 30 Pressure drop is low, so that the vapour pressure in heating process in cup body 30 is not too big, it is ensured that the purpose of safe heating, wherein this reality It applies in example, in exhaust process, the heat in cup body 30 only passes through venthole 11 and distributes outward the steam in cup body 30, and existing Cup body 30 opens wide heating and compares in technology, and thermal losses substantially reduces, while in the present embodiment, when the vapour pressure in cup body 30 is smaller When, seal assembly 20 can be automatically sealed on air intake 131, so as to avoid artificially taking sealing element from gas vent The operation on gas vent is covered down and again, therefore, in the present embodiment, avoids and forget to seal sealing element in the prior art The problem of causing the liquid in carrying process in cup body 30 easily to flow out on gas vent.

Electrothermal water cup provided in this embodiment, by offering venthole 11 on cup lid 10, cup lid 10 is towards in cup body 30 One side be equipped with the salable cover 13 being disposed around on 11 outer edge of venthole, open up air intake 131 on cover 13, simultaneously also Including seal assembly 20, seal assembly 20 is used in cup body 30 mobile so that air intake 131 towards cup lid 10 under steam drive It is connected to venthole 11, and when vapour pressure in cup body 30 reduces is mobile towards air intake 131 and is sealed in air intake 131 On, so during heating, when the vapour pressure in cup body 30 is larger, the steam drive in cup body 30 is sealed in air intake Seal assembly 20 on 131 is mobile towards cup lid 10, so that air intake 131 is opened, is connected inside venthole 11 and cup body 30, Steam in cup body 30 discharge so that the vapour pressure in cup body 30 be not easy it is excessive, when the steam in cup body 30 discharges Afterwards, the vapour pressure in cup body 30 reduces, and seal assembly 20 is mobile towards air intake 131 and is sealed on air intake 131, keeps away in this way Exempt to forget to be sealed on gas vent and the liquid in carrying process in cup body 30 is caused easily to flow out sealing element in the prior art The problem of, meanwhile, only just there is thermal losses when air intake 131 is opened during heating in electrothermal water cup, with existing cup body 30 It opens wide and compares, thermal losses reduces, lower power consumption, therefore, electrothermal water cup provided in this embodiment, when solving the heating of existing electrothermal water cup The technical issues of liquid easily flows out in cup body 30 is caused when power consumption increases and sealing element forgets to be sealed in gas vent.

Wherein, in the present embodiment, specifically threadedly can detachably connect between cup lid 10 and the top of cup body 30 It connects, or can also be connected by snap fit, and in order to play sealing effect, in the cup lid 10 or top outer of cup body 30 is set There is sealing ring, connection is sealed by a seal ring between cup lid 10 and cup body 30.

Wherein, in the present embodiment, the material of cup body 30 and cup lid 10 can be stainless steel material, or transparent or half Transparent material, such as can be glass, such electrothermal water cup is transparence, to boil water in cup body 30 so as to intuitively observe Situation.

Wherein, in the present embodiment, as in Figure 3-5, seal assembly 20 include for seal the spool 21 of air intake 131 with And for driving spool 21 to be sealed in the actuator 22 of air intake 131, i.e. seal assembly 20 includes spool 21 and actuator 22, In, spool 21 is connected with actuator 22, and spool 21 is for sealing air intake 131, and actuator 22 is for driving spool 21 to be sealed in On air intake 131, specifically, as shown in figure 3, spool 21 is located in cover 13, and spool 21 in cover 13 in steam drive Under can move up and down, wherein can be attached between spool 21 and the inner wall of cover 13 or spool 21 and cover 13 Between without connection, actuator 22 can be located at be located in cover 13 or actuator 22 can be located at cover 13 outside.

Wherein, electrothermal water cup provided in this embodiment is in use, when the vapour pressure in cup body 30 is smaller, in actuator 22 Driving effect bottom spool 21 is sealed on air intake 131, and air intake 131 is closed, between venthole 11 and the inner cavity of cup body 30 not Connection is in sealing state, when the vapour pressure in the rising with the fluid temperature in cup body 30, cup body 30 constantly increases, when When vapour pressure in cup body 30 is greater than activation force of the actuator 22 to spool 21, as shown in figure 4, drive of the spool 21 in steam Mobile towards cup lid 10 under dynamic, spool 21 leaves air intake 131, and air intake 131 is opened, and venthole 11 is connected with 30 inner cavity of cup body Logical, the steam in cup body 30 is discharged by venthole 11, and the vapour pressure in cup body 30 reduces, the vapour pressure in cup body 30 When less than actuator 22 to the activation force of spool 21, spool 21 is under the driving effect of actuator 22 towards air intake 131 Mobile, final spool 21 is sealed on air intake 131, and air intake 131 is closed, and in this way in carrying process, is overturned or is shaken When, the liquid in cup body 30 is not easy to flow out from venthole 11.

Wherein, in the present embodiment, as shown in Figure 3-4, actuator 22 is specially weighted spherical ball, wherein weighted spherical ball is located at cover Outside 13, i.e., weighted spherical ball is located at cover 13 towards the side of cup body 30, and weighted spherical ball is connected with the spool 21 being located in cover 13, valve Core 21 is sealed on air intake 131 under the gravity of weighted spherical ball, wherein in the present embodiment, the specific root of the weight of weighted spherical ball It is set according to the volume of electrothermal water cup, need to guarantee that weighted spherical ball is consistent to the pulling force of spool 21 with steam pressure safe in cup body 30 It closes.

Wherein, in the present embodiment, spool 21 is connect with weighted spherical ball, if but passing through company between spool 21 and weighted spherical ball Bar is attached, and in this way when electrothermal water cup is inverted, weighted spherical ball can apply thrust to spool 21 by connecting rod, is often easily made in this way It obtains spool 21 to remove from air intake 131, so that air intake 131 is opened, the liquid in such cup body 30 is easily flowed from air intake 131 Out, in the present embodiment, when in order to avoid electrothermal water cup inversion, weighted spherical ball applies thrust to spool 21, specifically, as shown in figure 5, valve Flexible connecting member 23 is equipped between core 21 and weighted spherical ball, wherein one end of flexible connecting member 23 is connected with spool 21, flexible connection The other end of part 23 is connected with weighted spherical ball, i.e., is attached between spool 21 and weighted spherical ball by flexible connecting member 23, in this way when When electrothermal water cup is inverted, as shown in figure 5, flexible connecting member 23 deforms, weighted spherical ball does not have active force to spool 21, so that spool 21 are not easy to leave air intake 131, ensure that the problem of liquid exudation is not susceptible to when electrothermal water cup is inverted.

Wherein, in the present embodiment, flexible connecting member 23 is specifically as follows nylon wire, or the not flexible cord of supporting role.

Wherein, in the present embodiment, when spool 21 is located in cover 13, since spool 21 can be towards cup lid under vapor action 10 are moved, and therefore, the mobile space 132 mobile for spool 21, and mobile space are equipped in the present embodiment, in cover 13 132 are connected with venthole 11 and air intake 131, wherein it should be noted that mobile space 132 is from air intake 131 to cup lid When the distance between 10 inner surfaces need to can guarantee that spool 21 is mobile towards cup lid 10 from air intake 131 under vapor action, spool 21 will not be moved to venthole 11, i.e. spool 21 cannot seal up venthole 11 when air intake 131 is opened.

Wherein, in the present embodiment, as in Figure 3-5, the one side of cup lid 10 towards cup body 30 is equipped with to be sealed with cup lid 10 Connected liner lid 12, and cover 13 is the protrusion for being positioned against 30 internal projection of cup body corresponding with venthole 11 of liner lid 12 Portion, i.e., in the present embodiment, what cover 13 was integrally formed with liner lid 12, cover 13 is a lug boss on liner lid 12, Lug boss is corresponding with venthole 11, opens up air intake 131 in the bottom end in protrusion not portion, and in the present embodiment, air intake 131 with go out Steam ports 11 is located on same axis, and the one side of the lug boss towards cup lid 10 is concave surface, and spool 21 is located in the concave surface, wherein It is sealing in the present embodiment, between liner lid 12 and cup lid 10, therefore, the outer edge of cover 13 and the outer edge of venthole 11 Between can without sealing.

Wherein, in the present embodiment, cup body 30 includes cup body 31 and the bottom cover 32 being connected with 31 bottom end seal of cup body, heating Device is located at the bottom end of cup body 31, and temperature controller is located in bottom cover 32, wherein in the present embodiment, as shown in figure 3, cup body 30 and bottom It is split between seat 40, is electrically connected between cup body 30 and pedestal 40 especially by connector, the bottom surface of bottom cover 32 It is equipped with the first connector 35, the top surface of pedestal 40 is equipped with the second connector 42 cooperated with the first connector 35, specifically, First connector 35 and the second connector 42 are a pair of mutually matched connector, wherein the first connector 35 is specially can be with Male head connector, the second connector 42 are specially female connector, wherein the first connector 35 and the electrical phase of temperature control device 33 Even, it is additionally provided with power supply line 41 on pedestal 40, the second connector 42 is specifically electrical connected with power supply line 41, and such cup body 30 is placed on When on pedestal, the first connector and the second connector are connected, and when power supply line 41 and external power supply connection, external power supply can It is powered for heating device 34 and temperature control device 33.

Embodiment two

The difference of the present embodiment and above-described embodiment are as follows: in the present embodiment, actuator 22 is elastic component, and elastic component is located at cover In body 13, and one end of elastic component is connected with the inner wall of cover 13, and the other end of elastic component is connected with spool 21, and spool 21 is in bullet Property part elastic force effect under be sealed on air intake 131.

In this way, electrothermal water cup is during heating, when the vapour pressure in cup body 30 is smaller, under the elastic force effect of elastic component Spool 21 is sealed on air intake 131, and air intake 131 is closed, and is not connected between venthole 11 and the inner cavity of cup body 30, in close Envelope state, when the vapour pressure in the rising with the fluid temperature in cup body 30, cup body 30 constantly increases, the steaming in cup body 30 When vapour pressure is greater than elastic force of the elastic component to spool 21, spool 21 is mobile towards cup lid 10 under the driving of steam, and elastic component is pressed Contracting, spool 21 leave air intake 131, and air intake 131 is opened, and venthole 11 is connected with 30 inner cavity of cup body, the steaming in cup body 30 Vapour is discharged by venthole 11, and the vapour pressure in cup body 30 reduces, when the vapour pressure in cup body 30 is less than elastic component to valve When the elastic force of core 21, spool 21 is mobile towards air intake 131 under the elastic force effect of elastic component, the effect of 21 elastic component elastic force of spool Under be sealed on air intake 131, air intake 131 is closed, in this way in carrying process, when overturning or shaking, in cup body 30 Liquid is not easy to flow out from venthole 11.

Wherein, in the present embodiment, elastic component, which is specifically as follows spring or other, can occur elastically-deformable elasticity Part.

Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new The range of each embodiment technical solution of type.

Claims

1. a kind of electrothermal water cup, including cup body (30), cup lid (10), heating device (34) and pedestal (40), wherein the cup lid (10) sealing cover is located at the top of the cup body (30), it is characterised in that:

Offered venthole (11) on the cup lid (10), and the cup lid (10) towards the one side in cup body (30) be equipped with can The cover (13) being disposed around on the venthole (11) outer edge is sealed, opens up air intake (131) on the cover (13)；

Further include: seal assembly (20), the seal assembly (20) are used under the cup body (30) interior steam drive towards institute State that cup lid (10) are mobile so that the air intake (131) is connected to the venthole (11), and in the cup body (30) It moves and is sealed on the air intake (131) towards the air intake (131) when vapour pressure reduces.

2. electrothermal water cup according to claim 1, it is characterised in that: the seal assembly (20) includes: described for sealing The spool (21) of air intake (131) and for driving the spool (21) to be sealed in the actuator of the air intake (131) (22), wherein the spool (21) is located in the cover (13), the actuator (22) be located at the cover (13) it is interior or The cover (13) is outside.

3. electrothermal water cup according to claim 2, it is characterised in that: the actuator (22) is weighted spherical ball, wherein described to match Heavy ball is located at the cover (13) outside, and the weighted spherical ball is connected with the spool (21) in the cover (13), the valve Core (21) is sealed on the air intake (131) under the gravity of the weighted spherical ball.

4. electrothermal water cup according to claim 3, it is characterised in that: be equipped between the spool (21) and the weighted spherical ball soft Property connector (23), wherein one end of the flexible connecting member (23) is connected with the spool (21), the flexible connecting member (23) the other end is connected with the weighted spherical ball.

5. electrothermal water cup according to claim 2, it is characterised in that: the actuator (22) is elastic component, the elastic component Be located in the cover (13), and one end of the elastic component is connected with the inner wall of the cover (13), the elastic component it is another One end is connected with the spool (21), and the spool (21) is sealed in the air intake under elastic component elastic force effect (131) on.

6. according to any electrothermal water cup of claim 2-5, it is characterised in that: be equipped in the cover (13) for the valve The mobile mobile space (132) of core (21), and the mobile space (132) and the venthole (11) and the air intake (131) it is connected.

7. -5 any electrothermal water cup according to claim 1, it is characterised in that: the cup lid (10) is towards the cup body (30) one side, which is equipped with, seals the liner lid (12) being connected with the cup lid (10), and the cover (13) is the liner lid (12) lug boss for being positioned against the cup body (30) internal projection corresponding with the venthole (11).

8. electrothermal water cup according to claim 7, it is characterised in that: the air intake (131) is provided with the lug boss Bottom end.

9. -5 any electrothermal water cup according to claim 1, it is characterised in that: the cup body (30) include cup body (31) and The bottom cover (32) being connected with the cup body (31) bottom end seal, the heating device (34) be located at the bottom end of the cup body (31) and It is connected with the temperature control device (33) being arranged in the bottom cover (32).

10. electrothermal water cup according to claim 9, it is characterised in that: the bottom surface of the bottom cover (32) is equipped with the first connection Device (35), the top surface of the pedestal (40) are equipped with the second connector (42) cooperated with first connector (35), wherein First connector (35) is electrical connected with the temperature control device (33), second connector (42) and the pedestal (40) The power supply line (41) of upper setting is electrical connected.