CN110897507A - Liquid container and insulating pot of two-way water intaking and draining - Google Patents
Liquid container and insulating pot of two-way water intaking and draining Download PDFInfo
- Publication number
- CN110897507A CN110897507A CN201911274992.6A CN201911274992A CN110897507A CN 110897507 A CN110897507 A CN 110897507A CN 201911274992 A CN201911274992 A CN 201911274992A CN 110897507 A CN110897507 A CN 110897507A
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- liquid container
- water
- check valve
- water inlet
- drainage
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/21—Water-boiling vessels, e.g. kettles
- A47J27/21008—Water-boiling vessels, e.g. kettles electrically heated
- A47J27/2105—Water-boiling vessels, e.g. kettles electrically heated of the cordless type, i.e. whereby the water vessel can be plugged into an electrically-powered base element
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/21—Water-boiling vessels, e.g. kettles
- A47J27/21166—Constructional details or accessories
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
The invention discloses a liquid container with bidirectional water feeding and discharging, which comprises a liquid container and a temperature controller connected with the bottom of the liquid container, wherein a water discharging check valve and a water feeding check valve are arranged in the temperature controller; the drainage check valve is communicated with the inner cavity of the liquid container from the bottom of the liquid container; the water inlet check valve is communicated with the inner cavity of the liquid container through an external water inlet conduit; when water is drained, the water inlet check valve is closed in a self-locking mode, and water in the liquid container is drained only from the opened water drainage check valve; when water is fed, the drainage check valve is closed by self-locking, and water is fed into the liquid container only from the opened water feeding check valve. Still disclose an insulating pot, including the kettle body and bear the base of kettle body, and install the controller that control temperature controller intake and drainage in the base, the kettle body is foretell two-way water intake and drainage's liquid container. The liquid container designed by the invention is more intelligent, and can realize the functions of automatic water feeding and automatic water discharging.
Description
Technical Field
The invention belongs to the technical field of electric appliances, and particularly relates to a liquid container with bidirectional water inlet and drainage and an electric kettle.
Background
At present, an intelligent electric kettle on the market can only realize an automatic water feeding function, and an electric kettle which can realize automatic water feeding and automatic water discharging functions at the same time is not available for a while. This water kettle of arranging water on automation more convenience of customers realizes intelligent experience, can discharge the kettle water-logging automatically, makes the kettle more intelligent.
Disclosure of Invention
The invention aims to provide a liquid container with bidirectional water feeding and discharging and an electric kettle, so as to solve the problems of the background art.
In order to achieve the purpose, the specific technical scheme of the liquid container with bidirectional water feeding and discharging and the electric kettle is as follows:
a liquid container with bidirectional water inlet and outlet comprises a liquid container and a temperature controller connected with the bottom of the liquid container, wherein a water outlet check valve and a water inlet check valve are arranged in the temperature controller;
the drainage check valve is communicated with the inner cavity of the liquid container from the bottom of the liquid container; the water inlet check valve is communicated with the inner cavity of the liquid container through an external water inlet conduit;
when water is drained, the water inlet check valve is closed in a self-locking mode, and water in the liquid container is drained only from the opened water drainage check valve;
when water is fed, the drainage check valve is closed by self-locking, and water is fed into the liquid container only from the opened water feeding check valve.
Furthermore, the temperature controller comprises a temperature control support, a three-way valve core is arranged in the temperature control support, one end of the lower part of the three-way valve core is a water inlet and outlet main channel, and the two ends of the upper part of the three-way valve core are respectively communicated with a drainage check valve and a water inlet check valve;
when water is drained, water flow sequentially passes through the inner cavity of the liquid container, the drainage check valve and the water inlet and outlet main channel;
when water is fed, the water flow sequentially passes through the water inlet and outlet main channel, the water inlet check valve, the water inlet guide pipe and the inner cavity of the liquid container.
Furthermore, set up perpendicularly between drainage check valve and the check valve that intakes, and drainage check valve and business turn over water main entrance and be located same vertical central line, drainage check valve and business turn over water main entrance form vertical liquid channel, and the check valve that intakes forms horizontal liquid channel.
Furthermore, the drainage check valve comprises a water inlet and outlet main channel, a valve core sealing block of a hollow structure inserted in the water inlet and outlet main channel, a first band gap elastic component connected with the upper end of the valve core sealing block, a first movable plugging component connected with the upper end of the first band gap elastic component, and a drainage sealing gasket movably abutted against the hollow structure, wherein the drainage sealing gasket is fixed on the side wall of the inner cavity of the drainage check valve, the drainage sealing gasket is kept away from or close to through the sliding of the first movable plugging component, and the opening or closing of a liquid channel in the drainage check valve is realized.
Further, the check valve of intaking includes spacing arch in the horizontal liquid passage inside wall, the second area space elastic component one end that spacing arch is connected, the second activity plugging member that the second area space elastic component other end is connected, the movable conflict hollow structure's of second activity plugging member sealed pad of intaking, and the sealed pad of intaking is fixed on the check valve inner chamber lateral wall of intaking that is close to first area space elastic component, keep away from or be close to the sealed pad of intaking through the slip of second activity plugging member, thereby realize opening or closing the inside liquid passage of check valve of intaking.
Further, the first elastic part with gaps is a drainage spring; the second interstitial component is a water inlet spring.
Furthermore, the first elastic component with gaps and the second elastic component with gaps are elastic sheets with gaps.
Furthermore, first activity plugging member is the steel ball, and second activity plugging member is into water dog.
Furthermore, the temperature controller is detachably mounted at the bottom of the liquid container, the temperature controller is embedded into the bottom of the liquid container, a bottom cover with a screw is arranged below the temperature controller, and the bottom cover is screwed on the bottom of the liquid container through the screw after being buckled with the temperature controller.
Furthermore, a sealing ring is sleeved on the three-way valve core, and an upper mouth of the three-way valve core is inserted into the bottom of the liquid container and extends into the inner cavity of the liquid container.
An electric kettle comprises a kettle body and a base for bearing the kettle body, wherein a controller for controlling a temperature controller to feed water and drain water is arranged in the base, and the kettle body is the bidirectional water feeding and draining liquid container.
Furthermore, the water inlet guide pipe is arranged in a handle on the side wall of the kettle body.
Furthermore, the upper end face of the base is provided with a coupler, a middle pipe is movably inserted in the coupler, the upper end of the middle pipe is detachably communicated with the water inlet and outlet main channel, and the lower end of the middle pipe is communicated with a guide pipe arranged in the base.
Furthermore, a large spring is sleeved on the middle pipe and is installed in the inner cavity of the coupler.
Further, install drainage water pump and intake water pump on the base, the drainage water pump passes through drainage pipe intercommunication well pipe, and intake water pump passes through inlet channel intercommunication well pipe.
Compared with the prior art, the invention has the following beneficial effects:
due to the adoption of the two-way water inlet and outlet structure, compared with the existing kettles and other liquid containers in the market at present, the automatic water inlet and outlet structure is more intelligent, can simultaneously realize the functions of automatic water feeding and automatic water outlet, can automatically discharge water in the kettle every night, and automatically completes the double functions of water inlet and water outlet.
Drawings
FIG. 1 is a schematic structural view of a liquid container with bidirectional water intake and discharge;
FIG. 2 is a schematic structural diagram of the thermostat of FIG. 1;
FIG. 3 is a schematic view of the base structure of the present invention for use with FIG. 1;
FIG. 4 is a schematic diagram of the coupler of FIG. 3;
FIG. 5 is an assembly view of the thermostat and coupler;
FIG. 6 is a one-level exploded view of FIG. 5;
FIG. 7 is a two-stage exploded view of FIG. 6;
FIG. 8 is a schematic view of an electric kettle according to the present invention;
FIG. 9 is a front view of FIG. 8;
FIG. 10 is a one-level exploded view of FIG. 9;
FIG. 11 is a secondary exploded view of FIG. 10;
FIG. 12 is a schematic view of drainage;
FIG. 13 is a schematic drawing of water inlet.
The reference numbers in the figures illustrate: the water kettle comprises a temperature controller 1, a coupler 2, a kettle body 3, a water inlet guide pipe 31, a base 4, a bottom cover 5 and a guide pipe 6; the water inlet and outlet device comprises a water discharge sealing gasket 101, a steel ball 102, a water discharge spring 103, a spring support 104, a water inlet stop block 105, a water inlet spring 106, a valve core sealing block 107, a water inlet sealing gasket 108, a three-way valve core 109, a temperature control support 110, a sealing ring 111, a water inlet and outlet main channel 112, a coupling support 201, a middle pipe 202 and a large spring 203.
Detailed Description
For a better understanding of the objects, structure and function of the invention, reference should be made to the drawings, FIGS. 1-13, which illustrate the invention.
Referring to fig. 1, a liquid container with bidirectional water inlet and outlet is designed, which includes a liquid container and a temperature controller 1 connected with the bottom of the liquid container, the liquid container of the present embodiment takes a kettle body 3 as an example, as shown in fig. 2, a water outlet check valve and a water inlet check valve are arranged in the temperature controller 1; the drainage check valve is communicated with the inner cavity of the liquid container from the bottom of the liquid container; the water inlet check valve is communicated with the inner cavity of the liquid container through an external water inlet conduit 31; the water inlet conduit 31 belongs to the outside of the inner cavity of the liquid container. The temperature controller 1 is detachably arranged at the bottom of the liquid container, the temperature controller 1 is embedded into the bottom of the liquid container, a bottom cover 5 with a screw is arranged below the temperature controller 1, and the bottom cover 5 is screwed on the bottom of the liquid container through the screw after the temperature controller 1 is buckled by the bottom cover 5.
The innovation points of the invention are as follows: through being equipped with bi-pass drainage structures on the liquid container, can realize the liquid container through intake water pump and play water pump and realize into the drainage function for the liquid container water-logging does not need manual operation, can accomplish drainage and intake, great saving user time.
The drainage check valve and the water inlet check valve are vertically arranged, the drainage check valve and the water inlet and outlet main channel are positioned on the same vertical central line, the drainage check valve and the water inlet and outlet main channel form a vertical liquid channel, and the water inlet check valve forms a transverse liquid channel. As shown in figure 2, the combined structure of the vertical liquid channel and the horizontal liquid channel is additionally provided with an internal structure inside the three-way valve in the prior art, so that the vertical liquid channel can control drainage, the horizontal liquid channel can feed water, and different technical effects of switching the drainage or the water feeding are achieved.
The drainage check valve comprises a water inlet and outlet main channel 112, a hollow valve core sealing block 107 inserted in the water inlet and outlet main channel 112, a first band gap elastic component connected with the upper end of the valve core sealing block 107, a first movable plugging component connected with the upper end of the first band gap elastic component, a drainage sealing gasket 101 of which the first movable plugging component can movably abut against the hollow structure, the first band gap elastic component and the first band gap elastic component are provided with gaps so that the components can not block the water channel, meanwhile, the elasticity is provided, the elastic control of the two plugging components can be realized, and the blockage of the liquid channel is further realized. The first elastic component with the gap is a drainage spring 103 or an elastic sheet with the gap, and the first movable plugging part is a steel ball 102. And the drainage sealing gasket 101 is fixed on the side wall of the inner cavity of the drainage check valve, and the first movable plugging piece slides away from or close to the drainage sealing gasket 101, so that the opening or closing of a liquid channel in the drainage check valve is realized.
The water inlet check valve comprises a limiting bulge in the inner side wall of the transverse liquid channel, one end of a second elastic component with a gap connected with the limiting bulge, a second movable plugging piece connected with the other end of the second elastic component with the gap, and a water inlet sealing gasket 108 of which the second movable plugging piece can movably press against the hollow structure, wherein the second elastic component with the gap is a water inlet spring 106 or an elastic piece with the gap; the second movable blocking member is a water inlet stop 105.
And the water inlet sealing gasket 108 is fixed on the side wall of the inner cavity of the water inlet check valve close to the first elastic component with the gap, and the second movable plugging piece slides away from or close to the water inlet sealing gasket 108, so that the opening or closing of a liquid channel in the water inlet check valve is realized.
As shown in fig. 2 and 7, the temperature controller 1 includes a temperature control support 110, a three-way valve core 109 is installed in the temperature control support 110, the three-way valve core 109 and the channel in the three-way valve are the same, the upper mouth of the three-way valve core 109 is further sleeved with a sealing ring 111, and the upper mouth of the three-way valve core 109 is inserted into the bottom of the liquid container and extends into the inner cavity of the liquid container. One end of the lower part of the three-way valve core 109 is a water inlet and outlet main channel, and the two ends of the upper part of the three-way valve core are respectively communicated with a drainage check valve and a water inlet check valve; when water is drained, water flow sequentially passes through the inner cavity of the liquid container, the drainage check valve and the water inlet and outlet main channel; when water is fed, the water flow sequentially passes through the water inlet and outlet main channel, the water inlet check valve, the water inlet guide pipe 31 and the inner cavity of the liquid container.
When water is drained, the water inlet check valve is closed in a self-locking mode, and water in the liquid container is drained only from the opened water drainage check valve; the drainage check valve comprises a drainage sealing gasket 101, a steel ball 102, a drainage spring 103 and a spring support 104, and a sealing structure is formed by the drainage sealing gasket 101, the steel ball 102, the drainage spring 103 and the spring support 104, so that the steel ball 102 and the drainage sealing gasket 101 form a sealing state due to the elasticity of the drainage spring 103 in a normal state, water can only enter the guide pipe 6 from the kettle body 3, and the drainage check valve has a check function.
When water is fed, the drainage check valve is closed by self-locking, and water is fed into the liquid container only from the opened water feeding check valve. The water inlet valve port 4 is composed of a water inlet stop block 105, a water inlet spring 106 and a water inlet sealing gasket 108, and a sealing structure is formed by the water inlet stop block 105, the water inlet spring 106 and the water inlet sealing gasket 108, so that in a normal state, the water inlet stop block 105 and the water inlet sealing gasket 108 form a sealing state due to the elasticity of the water inlet spring 106, water can only enter the water inlet guide pipe 5 from the guide pipe 6, and the water inlet valve port also has a non-return function.
As shown in fig. 8, the electric kettle comprises a kettle body 3 and a base 4 for bearing the kettle body 3, wherein a drainage water pump and a water inlet water pump are arranged on the base 4, the drainage water pump is communicated with a middle pipe 202 through a drainage pipeline, and the water inlet water pump is communicated with the middle pipe 202 through a water inlet pipeline. The base 4 is used for controlling and heating the kettle body 3, a controller for controlling water inlet and drainage of the temperature controller 1 is installed in the base 4, the kettle body 3 is a liquid container for the bidirectional water inlet and drainage, and the water inlet guide pipe 31 is arranged in a handle on the side wall of the kettle body 3.
As shown in fig. 3, the coupler 2 is disposed on the upper end surface of the base 4, and a middle pipe 202 is movably inserted into the coupler 2, and the middle pipe 202 is detachably connected to the water inlet/outlet main passage 112.
As shown in fig. 4 and 7, the middle pipe 202 is sleeved with a large spring 203, and the large spring 203 is installed in the inner cavity of the coupler 2, when the temperature controller 1 at the bottom of the kettle body 3 is seated on the coupler 2, a water path in the temperature controller 1 is communicated with the middle pipe 202.
The working principle is as follows: firstly, the automatic water inlet specific movement process of the product is as follows: when the kettle body 3 is placed on the base 4, the intelligent water boiling mode is clicked, the controller sends out a control signal, the control setting is carried out work at the water inlet pump of the base 4, the water inlet pump carries out forward pumping, and water filled in the water tank or the water bucket enters through the guide pipe 6 communicated with the coupler 2 due to the pressure difference generated by the water pump. Water enters a conduit 6 communicated with the coupler 2 through a water inlet pump and a water inlet valve port 4 arranged on the base 4, and then enters a water valve arranged on the temperature controller 1. Because the internal structure of the drainage check valve in the water valve has a check function, water can only be flushed into the water inlet guide pipe 31 arranged on the handle by the water inlet check valve, the water inlet stop block 105 in the water inlet check valve enters the kettle body 3, when the water inlet pump stops working, the water inlet stop block 105 in the water inlet check valve can be reset due to the elastic force of the water inlet spring 106 and forms a seal with the water inlet sealing gasket 108, and the kettle body 3 is started to heat subsequently to finish water boiling.
Secondly, the automatic water discharging specific movement process of the product is as follows: when the kettle body 3 is placed on the base 4, if residual water exists in the kettle, a user can click the drainage function, the intelligent mode is adopted, the controller sends out a control signal to control the drainage water pump arranged on the base 4 to work, and water in the kettle body 3 pushes the steel ball 102 open via the drainage check valve to enter the water core. Because the structure in the water inlet check valve also has a check function, water can only enter the base 4 through the conduit 6, a three-way valve is also arranged in the base 4, and the water is discharged through the three-way valve in the base 4 and a drainage water pump.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (15)
1. The utility model provides a two-way water intaking and draining's liquid container, includes liquid container, with the temperature controller (1) that the liquid container bottom is connected, its characterized in that: a water discharging check valve and a water inlet check valve are arranged in the temperature controller (1);
the drainage check valve is communicated with the inner cavity of the liquid container from the bottom of the liquid container; the water inlet check valve is communicated with the inner cavity of the liquid container through an external water inlet conduit (31);
when water is drained, the water inlet check valve is closed in a self-locking mode, and water in the liquid container is drained only from the opened water drainage check valve;
when water is fed, the drainage check valve is closed by self-locking, and water is fed into the liquid container only from the opened water feeding check valve.
2. The liquid container of claim 1, wherein the temperature controller (1) comprises a temperature control support (110), a three-way valve core (109) is installed in the temperature control support (110), one end of the lower part of the three-way valve core (109) is a main water inlet and outlet channel, and two ends of the upper part are respectively communicated with a drainage check valve and a water inlet check valve;
when water is drained, water flow sequentially passes through the inner cavity of the liquid container, the drainage check valve and the water inlet and outlet main channel;
when water is fed, the water flow sequentially passes through the water inlet and outlet main channel, the water inlet check valve, the water inlet guide pipe (31) and the inner cavity of the liquid container.
3. The liquid container of claim 2, wherein the drainage check valve and the water inlet check valve are vertically arranged, the drainage check valve and the water inlet and outlet main channel are located on the same vertical central line, the drainage check valve and the water inlet and outlet main channel form a vertical liquid channel, and the water inlet check valve forms a horizontal liquid channel.
4. The liquid container of claim 1, wherein the drainage check valve comprises a main water inlet and outlet passage (112), a valve core sealing block (107) with a hollow structure inserted in the main water inlet and outlet passage (112), a first gap-carrying elastic component connected with the upper end of the valve core sealing block (107), a first movable blocking component connected with the upper end of the first gap-carrying elastic component, and a drainage sealing gasket (101) with a movable blocking component and a movable hollow structure, wherein the drainage sealing gasket (101) is fixed on the side wall of the inner cavity of the drainage check valve, and the drainage sealing gasket (101) is far away from or close to the drainage sealing gasket through the sliding of the first movable blocking component, so that the opening or closing of the liquid passage in the drainage check valve is realized.
5. The liquid container of two-way water intaking and draining of claim 4, characterized in that, the check valve of intaking includes spacing arch in the horizontal liquid passage inside wall, the second area space elastic component one end that spacing arch is connected, the second activity stifled plug member that the second area space elastic component other end is connected, the second activity stifled plug member is the sealed pad of intaking (108) of hollow structure of movable conflict of contradicting of second activity, and intake sealed pad (108) are fixed on the check valve inner chamber lateral wall of intaking that is close to first area space elastic component, keep away from or be close to intake sealed pad (108) through the slip of second activity stifled plug member to the realization is to the opening or closing of the inside liquid passage of check valve of intaking.
6. A liquid container of two-way water intake and discharge according to claim 5, wherein the first elastic member with gap is a discharge spring (103); the second interstitial component is a water inlet spring (106).
7. A liquid container of two-way water inlet and outlet according to claim 5, wherein the first and second voided elastomeric members are both voided spring leaves.
8. A liquid container with two-way water inlet and outlet according to claim 1, wherein the first movable blocking member is a steel ball (102) and the second movable blocking member is a water inlet stop block (105).
9. The liquid container with bidirectional water feeding and discharging functions as claimed in claim 1, wherein the temperature controller (1) is detachably mounted at the bottom of the liquid container, the temperature controller (1) is embedded into the bottom of the liquid container, a bottom cover (5) with screws is arranged below the temperature controller (1), and the bottom cover (5) is screwed on the bottom of the liquid container through screws after the temperature controller (1) is fastened by the bottom cover (5).
10. The liquid container of claim 2, wherein the three-way valve core (109) is further sleeved with a sealing ring (111), and an upper mouth of the three-way valve core (109) is inserted into the bottom of the liquid container and extends into the inner cavity of the liquid container.
11. An electric kettle, comprising a kettle body (3) and a base (4) for bearing the kettle body (3), wherein a controller for controlling the water inlet and the water outlet of a temperature controller (1) is arranged in the base (4), and the electric kettle is characterized in that the kettle body (3) is a liquid container with bidirectional water inlet and outlet according to any one of claims 1 to 10.
12. An electric kettle as claimed in claim 11, characterised in that said water inlet conduit (31) is provided in a handle in the side wall of the kettle body (3).
13. An electric kettle as claimed in claim 12, characterized in that the upper end surface of the base (4) is provided with a coupler (2), a middle pipe (202) is movably inserted in the coupler (2), the upper end of the middle pipe (202) is detachably communicated with the main water inlet and outlet channel (112), and the lower end of the middle pipe (202) is communicated with the conduit (6) arranged in the base (4).
14. An electric kettle according to claim 13, characterized in that a large spring (203) is sleeved on the middle tube (202), and the large spring (203) is mounted in the inner cavity of the coupler (2).
15. An electric kettle according to claim 13, characterized in that the base (4) is provided with a drain pump and a feed pump, the drain pump being connected to the middle tube (202) via a drain pipe, and the feed pump being connected to the middle tube (202) via a feed pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911274992.6A CN110897507A (en) | 2019-12-12 | 2019-12-12 | Liquid container and insulating pot of two-way water intaking and draining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911274992.6A CN110897507A (en) | 2019-12-12 | 2019-12-12 | Liquid container and insulating pot of two-way water intaking and draining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110897507A true CN110897507A (en) | 2020-03-24 |
Family
ID=69824956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911274992.6A Pending CN110897507A (en) | 2019-12-12 | 2019-12-12 | Liquid container and insulating pot of two-way water intaking and draining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110897507A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113040603A (en) * | 2021-03-12 | 2021-06-29 | 四川虹美智能科技有限公司 | Liquid heating device |
| WO2022032895A1 (en) * | 2020-09-22 | 2022-02-17 | 北京左树科技有限公司 | Appliance coupler water pumping apparatus |
-
2019
- 2019-12-12 CN CN201911274992.6A patent/CN110897507A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022032895A1 (en) * | 2020-09-22 | 2022-02-17 | 北京左树科技有限公司 | Appliance coupler water pumping apparatus |
| CN113040603A (en) * | 2021-03-12 | 2021-06-29 | 四川虹美智能科技有限公司 | Liquid heating device |
| CN113040603B (en) * | 2021-03-12 | 2022-09-13 | 四川虹美智能科技有限公司 | Liquid heating device |
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