CN216020481U - Liquid heater - Google Patents

Abstract

The utility model relates to the field of electric appliances, in particular to a liquid heater which comprises a container for containing liquid, an air pump assembly for delivering air into the container and an air pump assembly for delivering air into the container, wherein the air pump assembly comprises an air pump, an air pipe, a one-way valve and a mounting bracket, the one-way valve is mounted at the second through part through the mounting bracket, one end of the air pipe is communicated with the one-way valve, and the other end of the air pipe is communicated with the air pump.

Description

Liquid heater

Technical Field

The utility model relates to the field of electric appliances, in particular to a liquid heater.

Background

Because the materials are stacked at the bottom of the kettle body when the common health preserving kettle is used for cooking porridge, white fungus and the like, the bottom of the liner of the health preserving kettle is generally a metal bottom provided with a heating pipe, so that the bottom is easily burnt at the bottom, and the taste is poor; in addition, in the prior art, a mode of adopting a stirring structure in a kettle body like in CN208837599U is disclosed, and the stirring structure in the technical scheme is protruded out of the surface of the inner container, so that the inner container is inconvenient to clean, and the stirring structure is easy to pulverize certain materials, so that the taste is influenced.

SUMMERY OF THE UTILITY MODEL

To stick with paste the end easily when current liquid heater boils, and difficult washing, the not enough technical problem of aesthetic property, provide a new technical scheme of making tea, pour into gas from the bottom of container through the air pump, the container bottom is located to the position of admitting air, and at this moment, the position of admitting air can be kept flat basically with the container bottom surface, increases the aesthetic property problem of the kettle body, the washing of the container of being convenient for simultaneously. In addition, the utility model can also be used for preventing bottom burning in air intake under the boiling function.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a liquid heater, is including the container that is used for splendid attire liquid, the bottom of container is equipped with the second through-hole, still including the air pump subassembly that is used for to the container interior air delivery, the air pump subassembly is equipped with including air pump, breather pipe, check valve and installing support, the check valve will through the installing support the check valve install in second through-hole department, breather pipe one end and check valve intercommunication, the other end and air pump intercommunication.

Further, the check valve is the silica gel valve, the silica gel valve includes ventilative portion and installation department, the middle part of silica gel valve is equipped with the airflow channel who is used for the circulation of air, be equipped with ventilative seam in the ventilative portion, under the first state, the hugging closely of ventilative seam is closed, and under the second state, ventilative seam receives gaseous extrusion force and opens.

Further, the silica gel valve is including the ventilative portion that is located upper portion and being located the installation department of ventilative portion below, ventilative portion includes from the inside and ascending inclined plane of installation department upper end slope and the ventilative seam on the ventilative portion top surface.

Further, the silica gel valve is including the ventilative portion that is located the lower part and being located the installation department of ventilative portion top, ventilative portion includes from the inside and ascending inclined plane of installation department lower extreme slope and the ventilative seam on the top surface of ventilative portion.

Further, still include sealed silica gel, sealed silica gel inlay in be used for in the second through-hole to form sealed effect just ventilative seam has been seted up at sealed silica gel top.

Furthermore, the sealing device also comprises a fixed seat, and the sealing silica gel and the silica gel valve are respectively arranged on two sides of the fixed seat; or the air conditioner also comprises a fixed seat which is H-shaped, and the middle part of the fixed seat is provided with an opening for ventilation.

Further, the check valve comprises a valve body provided with an airflow channel, an ejector rod arranged on the valve body and a return elastic piece, wherein when the ejector rod is in a first state, the ejector rod closes the airflow channel, and when the ejector rod is in a second state, the ejector rod opens the airflow channel.

Further, the valve body with press from both sides between the lower surface of heating plate and be equipped with first sealing member, there is the second sealing member on the major part end of ejector pin, the lower extreme of ejector pin stretches into in the jump ring in the airflow channel of valve body, still the cover is equipped with the spring on the ejector pin, the valve body with be equipped with the third sealing member between the installing support.

Further, the installing support includes the chamber that holds that is used for installing the check valve and with hold the air inlet of chamber intercommunication, the breather pipe with the air inlet is connected.

Furthermore, the mounting bracket is also provided with a temperature controller pressure lever and a fuse link pressure lever.

The utility model has the advantages that: adopt above-mentioned structure, the inner bag bottom of container is located to the entry of air pump subassembly conveying gas in to the container, be used for cooking the congee at the health preserving kettle, cook white fungus etc. need not to stretch into the pipe like among the prior art, can not influence the aesthetic property of the in-process of cooking, in addition, the aqueduct is in the container, thick liquid such as congee can not glue on the pipe, increase user's the washing degree of difficulty, and above-mentioned scheme does not have unnecessary washing accessory, flush into gas when also cooking the thing simultaneously, the bottom of paste has been solved, the problem of increase convection current.

Drawings

Fig. 1 is a schematic structural view of a tea making pot according to the present invention;

FIG. 2 is an enlarged schematic view of a check valve at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of another check valve of the present invention;

FIG. 4 is a schematic structural view of a kettle body according to the present invention;

FIG. 5 is a schematic view of another check valve of the present invention;

FIG. 6 is a schematic structural view of the mounting bracket of the present invention;

FIG. 7 is a schematic structural view of a silicone valve of the present invention;

fig. 8 is a cross-sectional view of a silicone valve of the present invention.

Reference numerals: a container 1; a kettle cover 7; a blocking portion 23; a water introduction pipe 21; a tea basket assembly 5; a cover 22; a first through hole 221; a power supply base 6; a heating plate 13; a top bar 341; a first seal 342; a spring 343; a clamp spring 344; an air inlet 3311; a mounting bracket 331; a third seal 346; a valve body 347; a second seal 348; gas flow channels 349; a fourth seal 335; a sealing silicone 334; a silicone valve 332; an inclined surface 3321; a vent seam 3341; a fixed seat 333; a second through hole 12; a heating element 11; an air pump 31; a breather pipe 32; a bottom cover 4; an opening 3331; a temperature controller pressure bar 3312; a fuse link press bar 3313; a containment chamber 3314; a ventilation portion 3321; the mounting portion 3322.

Detailed Description

In the description of the present embodiment, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", etc. appear, their indicated orientations or positional relationships are based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The utility model is further described with reference to the drawings and the specific embodiments in the following description.

As shown in figures 1 to 8 of the drawings,

because the materials are stacked at the bottom of the kettle body when the common health preserving kettle is used for cooking porridge, white fungus and the like, the bottom of the inner container of the health preserving kettle is generally a metal bottom provided with a heating pipe, so that the bottom is easily burnt at the bottom, and the taste is poor; in addition, in the prior art, a mode of adopting a stirring structure in a kettle body like in CN208837599U is disclosed, and the stirring structure in the technical scheme is protruded out of the surface of the inner container, so that the inner container is inconvenient to clean, and the stirring structure is easy to pulverize certain materials, so that the taste is influenced.

Based on the technical problems, the utility model provides a technical scheme as follows: a liquid heater comprises a kettle body, a kettle cover 7 covering the kettle body, and a power supply base 6 matched with the kettle body (the split power supply base 6 can also be integrated with the kettle body), wherein the kettle body comprises a container 1 for containing liquid, the bottom of the container 1 is provided with a second through hole 12, the liquid heater also comprises an air pump assembly for delivering air into the container 1, and the container 1 is communicated with the air pump assembly through the second through hole 12. Preferably, the kettle body further comprises a bottom cover 4, the container 1 and the bottom cover 4 are matched to form a mounting cavity, and the air pump assembly is arranged in the mounting cavity.

Adopt above-mentioned structure, the inner bag bottom of container 1 is located to the entry of air pump subassembly conveying gas in to container 1, be used for cooking the congee at the health preserving kettle, cook white fungus etc. need not to stretch into the pipe like among the prior art, can not influence the aesthetic property of the in-process of cooking, in addition, the pipe is in container 1, thick liquid such as congee can not glue on the pipe, increase user's the washing degree of difficulty, and above-mentioned scheme does not have unnecessary washing accessory, flush into gas when also cooking the thing simultaneously, the end of having solved paste, the problem of increase convection current.

Because the electric teapot among the prior art makes the cover body 22 form a large amount of gas through the water in the boiling container 1, thereby it sprays to carry in the tea basket subassembly 5 to spray to carry out the tea to cover the water upward movement in the body 22 through pressure, as described in patent application CN201010550290.9, this kind of technical scheme exists the function that can not control the temperature of making tea at that time, can only adopt boiling water to make tea, can not adapt to the selection of different functions, for example black tea, green tea, ginger tea, scented tea, coffee etc. need different processing temperatures. In another prior art, the brewing device disclosed in application No. CN108814294A is configured to transport water in the container 1 to the tea basket by a screw, and the screw is complex in structure, occupies a large space in the kettle body, and the container 1 itself has a reduced liquid-containing capacity, resulting in poor experience.

Based on the technical problems, the utility model provides a technical scheme as follows: an automatic teapot comprises a pot body, a pot cover 7 covering the pot body, and a power supply base 6 matched with the pot body (the split power supply base 6 can also be integrated with the pot body), wherein the pot body comprises a container 1 for containing liquid and a tea basket assembly 5 arranged at the upper part in the container 1; the conveying device is arranged in the container 1 and comprises a water guide pipe 21 positioned at the upper part and a cover body 22 positioned at the lower part, the upper end of the water guide pipe 21 is communicated with the inner cavity of the tea basket assembly 5, and the cover body 22 is matched with the bottom wall of the container 1 to form a steam cavity; the air pump component is used for delivering the liquid in the container 1 into the tea basket component 5 through the delivery device so as to brew brewing substances in the tea basket component 5; the steam chamber is communicated with the container 1 through a first through hole 221 on the cover body 22, and the steam chamber is communicated with the air pump assembly through a second through hole 12 on the bottom wall. The air pump assembly comprises an air pump 31 and a ventilation channel, one end of the ventilation channel is connected with the air pump 31, the other end of the ventilation channel is connected with the second through hole 12, a ventilation opening capable of being opened and closed is formed in the ventilation channel, when the ventilation opening is opened, air enters the container 1 and liquid in the container 1 cannot enter the ventilation channel, and when the ventilation opening is closed, the ventilation channel is closed.

Wherein, above-mentioned tea basket subassembly 5 and delivery component can assemble together and form a holistic tea and leak the subassembly, at this moment, when functions such as needs make tea, coffee, leak the subassembly with tea and put into the kettle internally, start air pump assembly as required and get into the realization through aqueduct 21 with water and steep the material in tea basket subassembly 5. When functions such as tea making and coffee making are not needed, the tea strainer assembly is taken out in a whole mode, at the moment, the second through hole 12 is sealed, the kettle body can be used as a water boiling kettle independently, and the tea strainer assembly can be taken out and cleaned independently. Of course, the tea strainer component can be placed inside all the time, or the tea basket component 5 and the conveying component can be placed in the kettle body in a superposed mode. The specific working principle is as follows:

when tea needs to be boiled, a proper amount of water is firstly injected into the container 1, the tea strainer assembly is placed, materials needing to be brewed are added into the tea basket, after the water is heated to a required temperature, the air pump 31 can be started to input air into the kettle body through the ventilation channel, and the air rapidly expands when meeting high-temperature water and is absorbed by the cover body 22 to enter the water guide pipe 21; pushing the liquid in the water guide pipe 21 to move upwards to enter the tea basket to brew the materials in the tea basket; the brewed liquid flows into the lower part of the kettle body again through meshes at the bottom of the tea basket to realize circular brewing; after brewing, the materials are separated from the tea soup, so that the influence on the taste caused by excessive soaking of the materials is avoided.

When the tea does not need to be boiled, the tea strainer component can be taken out and can be used as a health preserving pot. When the common health preserving pot is used for cooking porridge, as the materials are accumulated at the bottom of the pot body, the bottom paste is easily formed at the bottom; in this scheme, can let in gas to container 1 in the material initial stage of decocting, gaseous letting in can make the internal portion of kettle liquid circulation flow of kettle to stir the material in the whole kettle body, avoid piling up of material in container 1's bottom, can stick with paste the end in effectual prevention.

By adopting the technical scheme, the tea basket is arranged at the upper part of the tea basket component 5, the bottom of the tea basket is provided with meshes, tea leaves can be placed in the tea basket, the middle part of the tea strainer component is provided with a water guide pipe 21, the upper end of the water guide pipe 21 extends into the tea basket, and preferably, the lower part of the water guide pipe 21 is provided with an inverted funnel-shaped cover body 22; the whole cover of funnel wide-open is in container 1 is last, at this moment, for prior art, need establish the funnel cover in heating element 11 inboard, and the nearer problem that the effect is better apart from, this technical scheme does not have special requirement to this, has carried out the expansion to the design space of product, air pump 31 is through the air passage with communicate in the container 1, air pump 31 can send external air into container 1 in, the air that produces in the container 1 can be absorbed by the funnel and get into in aqueduct 21, then the air that produces promotes the liquid in the aqueduct 21 and move up and get into in tea basket subassembly 5 and steep the material in tea basket subassembly 5, the liquid after the bubble flows into container 1 lower part again through tea basket bottom filter screen, realizes the circulation and steeps the bubble. Meanwhile, a blocking valve for blocking liquid from entering the ventilation channel is arranged in the ventilation channel, so that the liquid is prevented from reversely entering the ventilation channel to pollute the ventilation channel.

According to the tea brewing device, the air pump assembly is adopted to send outside air into the container 1 at a target temperature or at a target time, whether water is boiled or above 95 ℃ does not need to be considered, and the air generated by the air pump 31 in the container 1 can push liquid in the water guide pipe 21 to move upwards to enter the tea basket assembly 5 to brew materials in the tea basket assembly 5.

To sum up, the above technical scheme has the following technical effects:

1. the temperature and the time are adjustable, the tea making temperature and the tea making time are controllable, more professional tea can be made, and the tea is not over-brewed.

2. When porridge is made, the tea strainer component can be removed, the air pump component can ventilate the container 1, and materials at the bottom of the kettle body are stirred, so that the bottom materials are prevented from sinking and being stuck.

3. The air pump component can increase the carbon dioxide content of water in the kettle body by introducing air into the container 1, so that the water is weakly acidic, and the tea making is facilitated.

4. The utility model provides a teapot multi-functional use, for the aforesaid function of making tea, boil out the function, can also independent function of heating up water, effectual.

For better ground water effect, the diameter of the water guide pipe ranges from 5.5mm to 10mm, and the water guide pipe comprises the following parts

Preferably 6.5mm to 7.5mm as shown in Table 1.

Table 1: experimental data on aqueduct

Specifically, the air pump assembly includes air pump 31, breather pipe 32 and control valve, breather pipe 32 one end with second through-hole 12 intercommunication, the other end intercommunication air pump 31, the control valve is located second through-hole 12 department is used for controlling the break-make between breather pipe 32 and the steam chamber. In this case, the ventilation passage includes the ventilation pipe 32 and a control valve, and the ventilation port is provided in the control valve.

The control valve comprises a first state in which the vent pipe 32 is disconnected from the interior of the container 1 and a second state; in the second state, the vent tube 32 is in communication with the interior of the container 1. Wherein the control valve is a mechanical valve or an electronic valve or a two-way valve or a one-way valve. Wherein a plurality of check valves may be provided between the air pump 31 and the inside of the container 1.

In order to prevent water leakage, the utility model is further provided that the control valve is in sealing fit with the second through hole 12.

In order to prevent the liquid from splashing in the water feeding process, the utility model is further provided that a blocking part 23 is arranged in the tea basket assembly 5, and the blocking part 23 is arranged above the water guide pipe 21

Further, in order to enhance the installation stability of the control valve, as shown in fig. 6, a mounting bracket 331 for installing the control valve is further included, the mounting bracket 331 is installed at the bottom of the container 1, the mounting bracket 331 includes a containing cavity 3314 for installing the control valve and an air inlet 3311 communicated with the containing cavity 3314, and the air vent pipe 32 is connected to the air inlet 3311.

Taking the control valve as an example, the control valve is a one-way valve, when the air pump 31 is opened, the ventilation gas extrudes the one-way valve to communicate the ventilation pipe 32 with the air cavity, and when the air pump 31 is closed, the one-way valve closes a passage between the air cavity and the air pump 31. The specific embodiments are as follows:

specifically, a liquid heater, the kettle body includes that container 1, pot lid 7, 1 bottom of container or bottom flank are provided with heating pipe and bottom 4, 1 bottom of container still is provided with ventilation channel and air pump 31, and above-mentioned ventilation channel includes breather pipe 32 and check valve, and ventilative mouthful is located on the check valve, the check valve is silica gel valve 332, be equipped with ventilative portion 3321 and installation department 3322 on the silica gel valve 332, be equipped with the incision on ventilative portion 3321, the incision is ventilative mouthful, under the first state, notched hugging closely the closure, under the second state, the incision receives gaseous extrusion force and opens.

As shown in fig. 5, 7 and 8, a structure form of the silicone valve 332 is as follows: an air flow channel 349 for air circulation is arranged in the middle of the silica gel valve 332, wherein the silica gel valve 332 comprises an air permeable part 3321 located on the upper portion and an installation part 3322 located below the air permeable part 3321, the air permeable part 3321 comprises an inclined surface 3321 inclined inwards and upwards from the upper end of the installation part 3322 and an air permeable slit 3341 on the top surface of the air permeable part 3321, the air permeable slit 3341 can conduct air under positive air pressure, the air permeable slit 3341 is closed under negative air pressure, that is, when the air pump 31 is opened, the air pressure in the air passage is greater than the air pressure in the container 1, positive air pressure to the air permeable slit 3341 is generated, the air permeable slit 3341 is conducted, and when the air pump 31 is closed, the air pressure in the air passage is less than the air pressure in the container 1, and the air permeable slit 3341 is closed. The air flow can circulate through the holes or the seams under the condition of certain positive pressure and then enters the kettle body to roll the liquid, so that the upper water temperature and the lower water temperature are uniform.

As shown in fig. 3, another structure of the silicone valve 332 is as follows: an air flow channel 349 for air circulation is arranged in the middle of the silica gel valve 332, wherein the silica gel valve 332 comprises an air permeable portion 3321 located at the lower portion and an installation portion 3322 located above the air permeable portion 3321, the air permeable portion 3321 comprises an inclined surface 3321 inclined inward and upward from the lower end of the installation portion 3322 and an air permeable slit 3341 on the top surface of the air permeable portion 3321, the air permeable slit 3341 can conduct air under positive air pressure, the air permeable slit 3341 is closed under negative air pressure, that is, when the air pump 31 is opened, the air pressure in the air passage is greater than the air pressure in the container 1, positive air pressure to the air permeable slit 3341 is generated, the air permeable slit 3341 is conducted, and when the air pump 31 is closed, the air pressure in the air passage is less than the air pressure in the container 1, and the air permeable slit 3341 is closed. The air flow can circulate through the holes or the seams under the condition of certain positive pressure and then enters the kettle body to roll the liquid, so that the upper water temperature and the lower water temperature are uniform.

The inclined surface 3321 and the edge of the air-permeable slit 3341 may be formed in an inclined 7-shape or an inclined 1-shape. In this case, the mounting portion 3322 has a hollow cylindrical shape.

Specifically, as shown in fig. 3, in order to make the sealing effect of the second through hole 12 better and not affect the effect of the silicone valve 332, the sealing device further includes a sealing silicone 334, the sealing silicone 334 is embedded in the second through hole 12 to form a sealing effect on the second through hole 12, and a vent seam 3341 is formed at the top of the sealing silicone 334. The stability of the ventilation channel is strengthened, and the liquid in the container 1 is prevented from flowing backwards. At this moment, the lower extreme of sealed silica gel 334 and the cooperation butt joint in silica gel valve 332 upper end or cup joint or integrated into one piece, and sealed silica gel 334 and silica gel valve 332 install in hold the chamber 3314 in and fix through installing support 331 container 1 bottom.

Specifically, as shown in fig. 4 and 5, when the silicone rubber 334 and the silicone valve 332 are sealed in two parts, they are soft, have a problem of weak butt joint, are prone to generate deviation, and weaken the sealing effect of the second through hole 12 or have the possibility of air leakage, therefore, in order to make the sealing effect of the second through hole 12 better, meanwhile, the effect of the silica gel valve 332 is not affected, the silica gel valve further comprises a fixed seat 333 and a sealing silica gel 334, the sealing silica gel 334 and the silica gel valve 332 are respectively arranged at two sides of the fixed seat 333, the sealing silicone 334, the silicone valve 332, and the fixing seat 333 are installed in the accommodating chamber 3314, preferably, the fixing seat 333 is H-shaped, the middle of the fixing seat is provided with an opening 3331 for ventilation, the sealing silica gel 334 is embedded in the second through hole 12 and used for sealing the second through hole 12, and the top of the sealing silica gel 334 is provided with a ventilation seam 3341. Certainly, the sealing silica gel 334 and the ventilation slits 3341 on the silica gel valve 332 can be arranged in a staggered manner, so that the stability of the ventilation channel is enhanced, and the liquid in the container 1 is prevented from flowing backwards.

The mounting portion 3322 of the silicone valve 332 is an annular flange, and the upper surface and the lower surface of the flange respectively abut against the lower end of the fixing seat 333 and the inner surface of the mounting bracket 331, so that a seal can be formed between the fixing seat 333 and the mounting bracket 331 under the action of pressure. The fixing seat 333 is an annular plastic member, the upper portion of the fixing seat extrudes the sealing silica gel 334 flange, the lower portion of the fixing seat extrudes the check valve silica gel flange, and the fixing seat 333, the sealing silica gel 334 and the check valve form a sealing relationship.

The mounting bracket 331 is connected with an aluminum disc at the bottom of the container 1 through screws, the mounting bracket 331 sequentially compresses the one-way valve, the fixed seat 333 and the sealing silica gel 334, and the one-way valve, the fixed seat 333 and the sealing silica gel 334 are pressed and held between each other through the mounting bracket 331 to form sealing; the air pump 31 pumps air through the vent tube 32 to the air inlet 3311 in the mounting bracket 331, into the air flow path 349 and into the air chamber through the vent slot 3341, thereby carrying the liquid in the container 1 from the water conduit 21 into the tea basket assembly 5.

The specific structure of the sealing silica gel 334 may be the same as the silica gel valve 332. Of course, the sealing silica gel may also be composed of a part of silica gel material and a hard material, the part provided with the air-permeable slit is made of silica gel, and the part used for installation is made of a hard material.

Further, the bottom of the container 1 is also provided with a temperature sensor and a fuse link, the temperature sensor can detect the temperature of the liquid in the container 1, the fuse link is used for protecting the safety of electricity utilization when the temperature of the heating pipe at the bottom of the kettle exceeds a limit value, the mounting bracket 331 is provided with a temperature controller pressure lever 3312 and a fuse link pressure lever 3313, and the temperature controller and the fuse link can be firmly pressed on an aluminum plate by the two pressure levers.

1. When the health preserving pot is used as a common health preserving pot for cooking porridge, as the materials are accumulated at the bottom of the pot body, the bottom paste is easily formed at the bottom; in this scheme, can let in gas to the kettle body in the material initial stage of decocting, gaseous letting in can make the internal portion of kettle liquid circulation flow get up to stir the material in the whole kettle body, avoid the material to pile up in the kettle bottom, can stick with paste the end in effectual prevention. Meanwhile, air is fed from the bottom of the container 1, so that the container 1 is convenient to design and clean.

2. Because the air pump 31 is ventilated, the liquid in the kettle body can be stirred, the temperature above and below the kettle body is uniform, and the noise in the heating process is reduced.

3. The carbon dioxide content of water in the kettle body can be increased by introducing air into the kettle body, so that the water is weakly acidic, and the tea making is more facilitated.

As shown in fig. 2, a liquid heater, a kettle body includes a container 1, a kettle lid 7, a heating pipe and a bottom lid 4 arranged at the bottom or bottom side of the container 1, the bottom of the container 1 is further provided with a ventilation channel and an air pump 31, the ventilation channel includes a ventilation pipe 32 and a one-way valve, a ventilation port is arranged on the one-way valve, the one-way valve includes a valve body 347 provided with an airflow channel 349, a push rod 341 arranged on the valve body 347, and a return elastic member, the push rod 341 moves in the airflow channel 349, when the push rod 341 is in a first state, the push rod 341 closes the airflow channel 349, when the push rod 341 is in a second state, the airflow channel 349 is opened, and the one-way valve is connected with a heating plate 13 through a mounting bracket 331.

A first sealing element 342 is clamped between the valve body 347 and the lower surface of the heating plate 13, the ejector rod 341 is T-shaped, a second sealing element 348 is arranged at the large end of the ejector rod 341, the lower end of the ejector rod 341 extends into a snap spring 344 in an airflow channel 349 of the valve body 347, a spring 343 is further sleeved on the ejector rod 341, and a third sealing element 346 is arranged between the valve body 347 and the mounting bracket 331. When the air pump 31 is opened, the top rod 341 moves upwards to form a ventilation slit 3341 between the top rod 341 and the second through hole 12, when the air pump 31 stops, the top rod 341 returns under the action of the force of the spring 343, and the second sealing member 348 seals the second through hole 12 to prevent the inside of the ventilation channel from being polluted by contacting with liquid.

Further, in order to facilitate the sealing installation of the valve body 347, a step is provided on an outer side surface of an upper end of the valve body 347, a longitudinal portion of the step is provided in the second through hole 12, and the first sealing member 342 is provided on a transverse portion of the step.

The air pump device further comprises a controller, wherein the controller is respectively connected with the heating assembly and the air pump assembly, and the controller is further used for determining whether the target temperature or the target time is reached and controlling the air pump 31 to be started or stopped when the target temperature or the target time is reached.

Further, in order to enable sufficient pressure to be formed in the steam chamber, the first through hole 221 is provided at the lower part of the cover 22, and the position of the first through hole 221 is lower than 1/2 of the height of the cover 22; preferably, a notch is arranged on the lower edge of the cover body 22, and the notch and the bottom wall of the container 1 are matched to form a first through hole 221. After the liquid in the steam chamber moves up from the water guiding pipe 21, the liquid in the outer container 1 of the steam chamber enters the steam chamber from the first through hole 221.

Further, in order to facilitate installation and save space, the kettle body further comprises a bottom cover 4, the container 1 and the bottom cover 4 are matched to form an installation cavity, and the air pump assembly is arranged in the installation cavity.

A circuit board is arranged in the power supply base 6, the circuit board can control the on-off of the heating pipe, the heating power and the start and pause of the air pump 31, an upper coupler is arranged at the bottom of the kettle body, and a lower coupler is arranged on the power supply base 6; the upper coupler is mateable with the lower coupler.

The liquid heater can be an automatic teapot, a health-preserving pot, a common soybean milk machine, an electric kettle and the like.

The above embodiments are only for further illustration of the present invention, and should not be construed as limiting the scope of the present invention, and the technical engineers in the art can make insubstantial modifications and adaptations of the present invention based on the above disclosure and disclosure of the utility model.

Claims (10)

1. A liquid heater, comprising: including the container that is used for splendid attire liquid, the bottom of container is equipped with the second through-hole, still including being used for the air pump subassembly to air delivery in the container, the air pump subassembly is equipped with including air pump, breather pipe, check valve and installing support, the check valve will through the installing support the check valve install in second through-hole department, breather pipe one end and check valve intercommunication, the other end and air pump intercommunication.

2. The liquid heater of claim 1, wherein the one-way valve is a silicone valve, the silicone valve comprises a ventilation portion and an installation portion, an airflow channel for air circulation is arranged in the middle of the silicone valve, a ventilation seam is arranged on the ventilation portion, the ventilation seam is tightly attached and closed in a first state, and the ventilation seam is opened by the extrusion force of gas in a second state.

3. The liquid heater as claimed in claim 2, wherein the silicone valve includes a vent portion at an upper portion and a mounting portion below the vent portion, the vent portion including an inclined surface inclined inward and upward from an upper end of the mounting portion and a vent slit at a top surface of the vent portion.

4. The liquid heater as claimed in claim 2, wherein the silicone valve includes a gas permeable portion at a lower portion and a mounting portion above the gas permeable portion, the gas permeable portion including an inclined surface inclined inward and upward from a lower end of the mounting portion and a gas permeable slit at a top surface of the gas permeable portion.

5. The liquid heater of claim 2, further comprising a sealing silica gel embedded in the second through hole for sealing the second through hole, and a gas-permeable seam is formed at the top of the sealing silica gel.

6. The liquid heater of claim 5, further comprising a fixing base, wherein the sealing silica gel and the silica gel valve are respectively disposed on two sides of the fixing base; or the air conditioner also comprises a fixed seat which is H-shaped, and the middle part of the fixed seat is provided with an opening for ventilation.

7. The liquid heater of claim 1, wherein the one-way valve comprises a valve body having an airflow channel, a push rod disposed on the valve body, and a return elastic member, wherein the push rod closes the airflow channel when the push rod is in a first state, and opens the airflow channel when the push rod is in a second state.

8. The liquid heater of claim 7, wherein a first sealing element is clamped between the valve body and the lower surface of the heating plate, a second sealing element is arranged at the large end of the ejector rod, the lower end of the ejector rod extends into a clamp spring in an airflow channel of the valve body, a spring is further sleeved on the ejector rod, and a third sealing element is arranged between the valve body and the mounting bracket.

9. A liquid heater as claimed in any one of claims 1 to 8, wherein the mounting bracket includes a receiving cavity for receiving the one-way valve and an air inlet communicating with the receiving cavity, the air duct being connected to the air inlet.

10. The liquid heater as claimed in claim 9, wherein the mounting bracket further comprises a temperature controller pressing rod and a fuse link pressing rod.

Images