Electric kettle and steam passage structure thereofTechnical field
The utility model relates to household electrical appliance technical field, more particularly, relates to a kind of electric kettle and steam passage structure thereof.
Background technology
Electric kettle mainly contain electronic temperature control and mechanical temperature control two kinds of control modes, electronic temperature control mode mainly relies on temperature-sensitive bag to detect water-in-kettle temperature in real time, when water temperature reaches design temperature, by panel cutout power supply, realizes function of temperature control.Mechanical temperature control mode is then heated steam cock thermal sensitive piece by water vapour, when thermal sensitive piece arrives design temperature, elastic deformation occurs, thus gauge tap contact disconnects, and cuts off the electricity supply, realizes function of temperature control.
The steam channel of mechanical temperature-control formula electric kettle generally has two schemes: built-in structure and outlet structure, and built-in structure is at the bottom of kettle, design a steam lead, and steam inlet is positioned on the upside of kettle body maximum water level, and steam (vapor) outlet is by steam cock thermal sensitive piece.And outlet structure opens a steam hole on the upside of kettle body maximum water level, steam hole is communicated with the steam lead being arranged on kettle external body, and steam lead outlet is by steam cock thermal sensitive piece.But be subject to the restriction of the operational characteristic of the kettle body of vacuum electric kettle, according to above-mentioned two schemes, steam channel is set in vacuum electric kettle, all easily there is the situations such as water overflows, mechanical temperature-control is insensitive.
In sum, how solving vacuum electric kettle and easily overflow and the sensitive not problem of mechanical temperature-control, is current those skilled in the art's urgent problem.
Utility model content
In view of this, first object of the present utility model is the steam passage structure providing a kind of electric kettle, the structural design of the steam passage structure of this electric kettle effectively can solve vacuum electric kettle and easily overflow and the sensitive not problem of mechanical temperature-control, and second object of the present utility model is to provide a kind of electric kettle comprising above-mentioned steam passage structure.
In order to reach above-mentioned first object, the utility model provides following technical scheme:
A steam passage structure for electric kettle, comprising:
Pot lid, described pot lid comprises upper cover and lower cover, and described under cover and offer the first air admission hole, cover on described and offer steam vent;
Be arranged at the vapor box between described upper cover and lower cover, the downside of described vapor box has the second air admission hole, and described second air admission hole is communicated with described first air admission hole, the side of the handle near this electric kettle of described vapor box offers the first venthole, and described first venthole is communicated with described steam vent;
Be arranged at the steam conduit in described handle, the inlet end of described steam conduit is communicated with described first venthole, the outlet side of described steam conduit is communicated with the tap on the kettle bottom being arranged at this electric kettle, passes through the steam cock thermal sensitive piece of this electric kettle when steam is circulated to described tap by described first venthole.
Preferably, in the steam passage structure of above-mentioned electric kettle, also comprise the fixed mount being fixed on described first air inlet position and the balancing weight be arranged on described fixed mount, there is between described balancing weight and fixed mount the ventilative gap of annular.
Preferably, in the steam passage structure of above-mentioned electric kettle, the lower end of described balancing weight is the cone of convergent from top to bottom, and described fixed mount comprises the support bar of the described balancing weight of multiple support, and its multiple support bar is uniformly distributed along the circumference of cone.
Preferably, in the steam passage structure of above-mentioned electric kettle, also comprise baffle plate, described baffle plate supports and fixes this fixed mount, and described baffle plate offers through hole.
Preferably, in the steam passage structure of above-mentioned electric kettle, described vapor box comprises upper box cover and lower casing, and described lower casing is specially the upper surface of described lower cover.
Preferably, in the steam passage structure of above-mentioned electric kettle, the upside of described lower cover is provided with the rib raised up, and described second air admission hole and the first venthole lay respectively at the both sides of described rib.
Preferably, in the steam passage structure of above-mentioned electric kettle, described steam conduit comprises the steam joint being arranged at its inlet end and the steam lead be connected with described steam joint.
Preferably, in the steam passage structure of above-mentioned electric kettle, vapor stream passes through the steam cock thermal sensitive piece of this electric kettle when described steam joint.
Preferably, in the steam passage structure of above-mentioned electric kettle, the inlet end of described steam joint is connected with rubber tube, and described rubber tube is communicated with described first venthole.
Preferably, in the steam passage structure of above-mentioned electric kettle, cover and be also provided with sealing-plug under described, when the steam pressure in kettle is greater than setting value, some vapor is discharged from described sealing-plug.
A kind of electric kettle, comprises steam passage structure, and described steam passage structure is the steam passage structure according to any one of such as above-mentioned.
In the steam passage structure that the utility model provides, be provided with two exhaust passages, wherein Article 1 exhaust passage is that steam in electric kettle enters vapor box through the first air admission hole and the second air admission hole, and then the steam vent of a part of steam on the first venthole and pot lid in vapor box discharges this electric kettle.Article 2 exhaust passage is that the steam in electric kettle enters vapor box through the first air admission hole and the second air admission hole, and then another part steam in vapor box discharges this electric kettle through the first venthole, steam conduit and tap.Wherein Article 2 exhaust passage is longer, so a part of steam can in the condensation of Article 2 exhaust passage, condensation water and steam is discharged together from tap.Namely the steam in electric kettle can a part be discharged from the steam vent pot lid, and another part is discharged from the tap kettle bottom, as this increased a logical exhaust passage, avoids the situation that water overflows.And steam can heat steam cock thermal sensitive piece when Article 2 exhaust passage, ensure that the sensitivity of mechanical temperature-control.
In order to reach above-mentioned second object, the utility model additionally provides a kind of electric kettle, and this electric kettle comprises any one steam passage structure above-mentioned.Because above-mentioned steam passage structure has above-mentioned technique effect, the electric kettle with this steam passage structure also should have corresponding technique effect.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the electric kettle that Fig. 1 provides for the utility model embodiment;
The sectional view of the electric kettle that Fig. 2 provides for the utility model embodiment;
Fig. 3 is the partial enlarged drawing of a-quadrant in Fig. 2;
The sectional view of the pot lid that Fig. 4 provides for the utility model embodiment;
The explosive view of the pot lid that Fig. 5 provides for the utility model embodiment.
In figs. 1-5:
1-pot lid, 1a-upper cover, 1a1-steam vent, 1b-lower cover, 2-handle, 3-kettle bottom, 4-balancing weight, 5-rubber tube, 6-steam cock thermal sensitive piece, 7-steam joint, 8-steam lead, 9-upper box cover, 10-rib, 11-baffle plate, 12-fixed mount, 13-sealing-plug.
Detailed description of the invention
First object of the present utility model is the steam passage structure providing a kind of electric kettle, the structural design of the steam passage structure of this electric kettle effectively can solve vacuum electric kettle and easily overflow and the sensitive not problem of mechanical temperature-control, and second object of the present utility model is to provide a kind of electric kettle comprising above-mentioned steam passage structure.
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1-Fig. 3, the steam passage structure of the electric kettle that the utility model provides comprises pot lid 1, vapor box and steam conduit.Wherein, pot lid 1 comprises upper cover 1a and lower cover 1b, lower cover 1b offers the first air admission hole, and the steam of kettle inside can enter in pot lid 1 through the first air admission hole.Upper cover 1a offers steam vent 1a1, the steam in pot lid 1 can drain into the external world through steam vent 1a1.
Vapor box is arranged between upper cover 1a and lower cover 1b, and namely vapor box is arranged on pot lid 1 inside.The downside of vapor box has the second air admission hole, and the second air admission hole is communicated with the first air admission hole, and namely steam enters after in pot lid 1 can enter vapor box through the second air admission hole through the first air admission hole.The side of the handle 2 near this electric kettle of vapor box offers the first venthole, and the first venthole is communicated with steam vent 1a1, and namely the some vapor of vapor box can discharge this electric kettle through the first venthole and steam vent 1a1.
Steam conduit is arranged in handle 2, and the inlet end of steam conduit is communicated with the first venthole, the outlet side of steam conduit is communicated with the tap on the kettle bottom 3 being arranged at this electric kettle, namely the some vapor in vapor box can enter steam conduit through the first venthole, enters the steam of steam conduit and then can discharge this electric kettle through its outlet side from tap.And, steam passes through the steam cock thermal sensitive piece 6 of this electric kettle when being circulated to tap by the first venthole, steam heats steam cock thermal sensitive piece 6, elastic deformation is there is when steam cock thermal sensitive piece 6 arrives design temperature, thus gauge tap contact disconnects, cut off the electricity supply, realize function of temperature control.
In the steam passage structure that the utility model provides, be provided with two exhaust passages, wherein Article 1 exhaust passage is that steam in electric kettle enters vapor box through the first air admission hole and the second air admission hole, and then the steam vent 1a1 of a part of steam on the first venthole and pot lid 1 in vapor box discharges this electric kettle.Article 2 exhaust passage is that the steam in electric kettle enters vapor box through the first air admission hole and the second air admission hole, and then another part steam in vapor box discharges this electric kettle through the first venthole, steam conduit and tap.Wherein Article 2 exhaust passage is longer, so a part of steam can in the condensation of Article 2 exhaust passage, condensation water and steam is discharged together from tap.Namely the steam in electric kettle can a part be discharged from the steam vent 1a1 pot lid 1, and another part is discharged from the tap kettle bottom 3, as this increased a logical exhaust passage, avoids the situation that water overflows.And steam can heat steam cock thermal sensitive piece 6 when Article 2 exhaust passage, ensure that the sensitivity of mechanical temperature-control.
In the steam passage structure that the utility model provides, achieve the mechanical temperature control organization plan of vacuum electric kettle, make full use of the steam passage structure of pot lid 1 component internal, integrate topple over anti-overflow, pressure release and mechanical temperature-control etc. are multi-functional, bring fabulous Consumer's Experience to user.
Preferably, can also comprise fixed mount 12 and balancing weight 4, fixed mount 12 is fixedly installed on the first air inlet position, and balancing weight 4 is arranged on fixed mount 12, and namely fixed mount 12 is arranged in the first air admission hole, and fixed mount 12 supports balancing weight 4.Have annular gas permeable gap between balancing weight 4 and fixed mount 12, the steam in kettle can enter in pot lid through annular gas permeable gap.The size regulating annular gas permeable gap can be realized by regulating the size of balancing weight 4.
In order to optimize technique scheme further, the lower end of balancing weight 4 is the cone of convergent from top to bottom, and fixed mount 12 comprises the support bar of multiple support balancing weight 4, and multiple support bars of fixed mount 12 are uniformly distributed along the circumference of cone.Space between support bar can form annular gas permeable gap.Certainly, the inwall of fixed mount 12 can also be the cone of convergent from top to bottom, has gap between the inwall of fixed mount 12 and balancing weight 4.
Further, also comprise baffle plate 11, and baffle plate 11 supports and fixes this fixed mount 12, and baffle plate 11 offers through hole.Baffle plate 11 is positioned at the downside of lower cover 1b, and baffle plate 11 supporting and mounting bracket 12 is also carried out spacing to fixed mount 12.The inner space that can isolate lower cover 1b and electric kettle of this baffle plate 11.The through hole of baffle plate 11 is multiple, so that steam enters the first air admission hole.
Wherein, vapor box can comprise upper box cover 9 and lower casing, and lower casing is specially the upper surface of lower cover 1b.Namely upper box cover 9 and lower casing fasten and form this vapor box, and in order to simplify structure, wherein lower casing is the upper surface of lower cover 1b, and namely the upper surface of lower cover 1b and upper box cover 9 form this vapor box jointly.Certainly, lower casing also can be positioned on the upside of lower cover 1b for independent parts, in this no limit.
In order to increase the length of steam channel, wherein the upside of lower cover 1b can be provided with the both sides that rib 10, second air admission hole that raises up and the first venthole lay respectively at rib 10.Steam like this needs after entering the second air admission hole to continue upwards until move to the top of rib 10, and discharge from the first venthole after walking around rib 10, steam need walk S type road, is more convenient to the pressure release of this electric kettle.
In addition, steam conduit comprises the steam joint 7 being arranged at its inlet end and the steam lead 8 be connected with steam joint 7, namely the inlet end of steam conduit is provided with steam joint 7, and steam joint 7 is connected with steam lead 8, and steam joint 7 and steam lead 8 form steam conduit jointly.
Further, vapor stream passes through the steam cock thermal sensitive piece 6 of this electric kettle when steam joint 7.Particularly, the inner space of steam joint 7 forms air collecting chamber, and steam cock thermal sensitive piece 6 is arranged on the top of air collecting chamber, and steam heats steam cock thermal sensitive piece 6 through air collecting chamber.Certainly, also steam cock thermal sensitive piece 6 can be set before steam joint 7, in this no limit.
The inlet end of steam joint 7 can also be connected with rubber tube 5, and rubber tube 5 is communicated with the first venthole.First venthole aligns with the rubber tube be arranged on handle 25 mouthfuls, and realizes sealing by compressing rubber pipe 5 mouthfuls distortion, by the steam conduit in the steam channel in pot lid 1 and handle 2 together with, form a new steam channel.
In order to prevent pressure in kettle excessive, wherein lower cover 1b can also be provided with sealing-plug 13, when the steam pressure in kettle is greater than setting value, some vapor is discharged from sealing-plug 13.Setting like this, is convenient to the pressure release in kettle more.The some vapor of discharging from sealing-plug 13 can be discharged from the steam vent pot lid, also can enter in steam conduit and then discharge.
Based on the steam passage structure provided in above-described embodiment, the utility model additionally provides a kind of electric kettle, and this electric kettle comprises any one steam passage structure in above-described embodiment.The steam passage structure in above-described embodiment is have employed, so the beneficial effect of this electric kettle please refer to above-described embodiment due to this electric kettle.
Particularly, this electric kettle can be vacuum electric kettle, so achieve vacuum electric kettle integrate topple over anti-overflow, pressure release and mechanical temperature-control etc. are multi-functional, bring fabulous Consumer's Experience to user.
In this description, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.