CN213578081U - Water storage type electric water heater - Google Patents

Water storage type electric water heater Download PDF

Info

Publication number
CN213578081U
CN213578081U CN202022101380.1U CN202022101380U CN213578081U CN 213578081 U CN213578081 U CN 213578081U CN 202022101380 U CN202022101380 U CN 202022101380U CN 213578081 U CN213578081 U CN 213578081U
Authority
CN
China
Prior art keywords
inner container
water
water outlet
outlet pipe
connecting pipeline
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202022101380.1U
Other languages
Chinese (zh)
Inventor
艾穗江
蒲俊程
邓海燕
徐扬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Macro Gas Appliance Co Ltd
Original Assignee
Guangdong Macro Gas Appliance Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Macro Gas Appliance Co Ltd filed Critical Guangdong Macro Gas Appliance Co Ltd
Priority to CN202022101380.1U priority Critical patent/CN213578081U/en
Application granted granted Critical
Publication of CN213578081U publication Critical patent/CN213578081U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Details Of Fluid Heaters (AREA)

Abstract

The utility model discloses a water storage formula electric water heater, a serial communication port, include: the water heater comprises a first inner container and a second inner container, wherein a water inlet pipe, a first water outlet pipe and an electric heater are arranged on the first inner container, a medicine placing box and a second water outlet pipe are arranged on the second inner container, the first inner container and the second inner container are connected through a connecting pipeline, and a first valve for controlling the connection and disconnection of the connecting pipeline is arranged on the connecting pipeline. The utility model utilizes different inner containers to respectively store normal hot water and medicated bath water, when the medicated bath is carried out, the normal hot water is firstly used, when pores of the skin of a human body are opened under the action of the normal hot water, the first valve can be opened at the moment, the hot water is changed into the medicated bath water, and the infiltration of the medicated bath can be more effectively felt; not only is convenient for users to carry out medicated bath, but also can be switched to normal hot water for secondary flushing very conveniently after the medicated bath is finished. If the user needs not to take a shower, but to take a bath or soak feet in a bathtub, the medicinal bath water can be directly discharged.

Description

Water storage type electric water heater
Technical Field
The utility model relates to an electric water heater technical field especially relates to a take water storage formula electric water heater of dipping function.
Background
The water heater is widely applied to the public life, the water heater mainly comprises a solar water heater, a gas water heater and an electric water heater, and the electric water heater is popular due to the characteristics of convenience and safety in use and no limitation on the use environment. A water heater that heats with electricity as a power source is generally called an electric water heater. Is one of three water heaters which are parallel to a gas water heater and a solar water heater. The electric water heater can be divided into three types, namely a water storage type or a positive displacement type or a heat storage type, an instant heating type and an instant heating type or a semi-water storage type according to the heating power. As the ecological environment deteriorates increasingly, people with sub-health are more and more; nowadays, people can arrange a short time for body building, and the medicated bath gradually becomes a pursuing activity for people because the medicated bath can keep the body clean, can relieve fatigue in one day and is a healthy and environment-friendly health care mode. The existing electric water heater only has the function of heating water, cannot provide bath water with health-care liquid medicine for people to take medicine bath, and people can only use a container to soak the water after receiving the hot water and then take bath, which is very inconvenient.
A chinese utility model patent application with publication number CN106766132A discloses an electric water heater capable of carrying out medicated bath, which comprises a shell, a heat preservation protective layer, an inner container, a heating tank, a medicine mixing tank, a pressure release valve, a magnesium rod, a control center, a heating device, a heating pipe, a water inlet pipe, a water outlet pipe, a rotating electrical machine, a water-stop sheet, a water-stop solenoid valve, a spiral medicine dispersing shaft, a medicine containing tank, a pressurizing medicine conveying tank, an electric pressurizer and a medicine conveying pipe. Although the patent can make the electric water heater allocate the appropriate amount of medicated bath water as required in the process of heating water, the medicated bath is convenient for people to carry out medicated bath. However, the medicated bath is always performed when the medicated bath is performed, and the common water bath cannot be freely switched, so that the use is inconvenient; in addition, the structure is relatively complex, and the replacement of the medicine is not facilitated.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a water storage type electric water heater which can be freely switched between medicated bath water and common bath water.
In order to achieve the above purpose, the utility model adopts the following technical scheme.
An electric water storage heater, comprising: the water heater comprises a first inner container and a second inner container, wherein a water inlet pipe, a first water outlet pipe and an electric heater are arranged on the first inner container, a medicine placing box and a second water outlet pipe are arranged on the second inner container, the first inner container and the second inner container are connected through a connecting pipeline, and a first valve used for controlling the connection and disconnection of the connecting pipeline is arranged on the connecting pipeline
More preferably, the first inner container is a closed container, the water inlet pipe and the first water outlet pipe are installed at the bottom of the first inner container, a water outlet of the water inlet pipe is arranged close to the bottom of the first inner container, and a water inlet of the first water outlet pipe is arranged close to the top of the first inner container; forming a low-in high-out structure.
More preferably, the second inner container is an open container, the top of the second inner container is provided with an exhaust hole, and the second inner container is internally provided with a liquid level sensor; or the second inner container is an open container, the top of the second inner container is provided with an exhaust hole, and the exhaust hole is provided with a third valve; or the second inner container is a closed container, and the connecting pipeline and the second water outlet pipe form a low-inlet high-outlet structure.
More preferably, the first inner container and the second inner container are both of a heat insulation structure, the first inner container and the second inner container are arranged in the same shell, and a heat insulation material is arranged between the shell and the first inner container as well as between the shell and the second inner container.
More preferably, the medicine containing box and the second inner container form detachable connection.
More preferably, the medicine placing box comprises an upper medicine placing box cover and a lower medicine placing box cover, the upper medicine placing box cover and the lower medicine placing box cover together enclose a medicine placing cavity, and the lower medicine placing box cover is provided with a plurality of through holes for communicating the medicine placing cavity with the second inner container.
More preferably, a flange is provided at a side portion of the second inner container, a sealing ring is provided between the drug containing box and the flange, and a screw thread which is engaged with the flange is provided between the upper cover of the drug containing box and the flange.
More preferably, the connecting pipeline is connected to the bottom of the second inner container, and a water inlet end of the connecting pipeline is communicated with the first water outlet pipe. The second water outlet pipe is connected to the connecting pipeline, and a filter screen is arranged around the water outlet hole of the connecting pipeline; or the connecting pipeline and the second water outlet pipe are two independent pipelines, and filter screens are arranged at the connecting ends of the connecting pipeline and the second water outlet pipe and the second inner container.
More preferably, the water outlet end of the second water outlet pipe is connected with the first water outlet pipe, the first water outlet pipe is provided with a second valve, and the second valve is arranged between the water inlet end of the connecting pipeline and the water outlet end of the second water outlet pipe.
More preferably, the connecting pipeline directly connects the first inner container and the second inner container, and the first water outlet pipe and the second water outlet pipe are connected together through the reversing valve.
The utility model has the advantages that:
firstly, by arranging two inner containers, different inner containers are utilized to store normal hot water and medicated bath water respectively, when medicated bath is carried out, the normal hot water is firstly used, when pores of the skin of a human body are opened under the action of the normal hot water, the first valve can be opened at the moment, the hot water is changed into the medicated bath water, and the infiltration of the medicated bath can be sensed more effectively; not only is convenient for users to carry out medicated bath, but also can be switched to normal hot water for secondary flushing very conveniently after the medicated bath is finished. If the user needs to bath or soak feet in a bathtub instead of taking a shower, the first valve can be directly opened, and the medicinal bath water can be directly discharged.
Two, through set up the exhaust hole at second inner bag top, just put and constitute between medicine box and the second inner bag and can dismantle the connection, can be very convenient carry out the evacuation to the second inner bag, be convenient for put the installation and the change of medicine box. In particular, since the second inner container is easy to generate scale and impurities due to medicines, etc., an electric heater is not arranged in the second inner container, and the used hot water is provided by the first inner container.
Drawings
Fig. 1 is a schematic structural diagram of a water storage type electric water heater provided in embodiment 1 of the present invention.
Fig. 2 is a schematic view of the installation structure of the drug containing box.
Fig. 3 is a schematic view showing the water flow state when the second liner is filled with water.
Fig. 4 is a schematic view showing the state of water flow during medicated bath.
Fig. 5 is a schematic structural view of a water storage type electric water heater provided in embodiment 2 of the present invention.
Fig. 6 is a schematic structural view of a water storage type electric water heater provided in embodiment 3 of the present invention.
Fig. 7 is a schematic structural view of a water storage type electric water heater according to embodiment 4 of the present invention.
Description of reference numerals:
1: first inner container, 2: second inner container, 3: inlet tube, 4: first outlet pipe, 5: electric heater, 6: medicine placing box, 7: second outlet pipe, 8: first valve, 9: exhaust hole, 10: level sensor, 11: seal ring, 12: connecting pipe, 13: filter screen, 14: second valve, 15: third valve, 16: direction valve, 17: a housing.
2-1: a flange.
6-1: medicine box upper cover, 6-2: a lower cover of the medicine placing box.
Detailed Description
In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and positional relationship indicated are based on the orientation or positional relationship shown in the drawings, and only for the convenience of describing the present invention and simplifying the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope of the present invention.
Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "at least" means one or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
In the present application, unless otherwise specified or limited, "above" or "below" a first feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "above," "below," and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply an elevation which indicates a level of the first feature being higher than an elevation of the second feature. The first feature being "above", "below" and "beneath" the second feature includes the first feature being directly below or obliquely below the second feature, or merely means that the first feature is at a lower level than the second feature.
The following description will be further made in conjunction with the accompanying drawings of the specification, so that the technical solution and the advantages of the present invention are clearer and clearer. The embodiments described below are exemplary and are intended to be illustrative of the present invention, but should not be construed as limiting the invention.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
Example 1
As shown in fig. 1, an electric water storage heater includes: the water heater comprises a first inner container 1 and a second inner container 2, wherein a water inlet pipe 3, a first water outlet pipe 4 and an electric heater 5 are arranged on the first inner container, a medicine placing box 6 and a second water outlet pipe 7 are arranged on the second inner container 2, the first inner container 1 is connected with the second inner container 2 through a connecting pipeline 12, and a first valve 8 is arranged on the connecting pipeline 12 and used for controlling the connection and disconnection of the connecting pipeline 12.
The first inner container 1 is a closed container, the water inlet pipe 3 and the first water outlet pipe 4 are installed at the bottom of the first inner container 1, a water outlet of the water inlet pipe is arranged close to the bottom of the first inner container 1, and a water inlet of the first water outlet pipe 4 is arranged close to the top of the first inner container 1; a low-in high-out structure is formed, and the stability of a water layer is ensured. Preferably, the second inner container 2 is an open container, the top of the second inner container 2 is provided with an exhaust hole 9, and the second inner container 2 is internally provided with a liquid level sensor 10, so that water injection and liquid level control of the second inner container 2 are facilitated.
In this embodiment, it is preferable that both the first inner container 1 and the second inner container 2 have a heat insulating structure. Specifically, the first inner container 1 and the second inner container 2 are preferably arranged in the same outer shell 17, and a heat insulating material, preferably polyurethane or the like, is arranged between the outer shell 17 and the inner containers. Preferably, the inner surfaces of the first inner container 1 and the second inner container 2 are both treated by enamel.
Referring to fig. 2, the medicine containing box 6 includes two parts, namely, an upper cover 6-1 and a lower cover 6-2, the upper cover 6-1 and the lower cover 6-2 enclose a medicine containing cavity, and the lower cover 6-2 is provided with a plurality of through holes for communicating the medicine containing cavity with the second inner container 2 to achieve the foaming of the medicine. In order to facilitate the installation of the drug containing box 6, it is preferable that a flange 2-1 is provided at a side portion of the second inner container 2, and a screw thread which is matched with the flange 2-1 is provided between the drug containing box upper cover 6-1 and the flange 2-1, so as to facilitate the user to disassemble, assemble and replace. In order to ensure the seal, a sealing ring 11 is preferably provided between the cartridge 6 and the flange 2-1.
In this embodiment, the medicine placing box 6 is composed of an upper medicine placing box cover and a lower medicine placing box cover, and a user can place different medicine bags in the medicine placing cavity according to different functional use requirements so as to meet different medicated bath functional requirements, so that the practicability is good, in other embodiments, the medicine placing box 6 and the flange 2-1 can be fixed by fixing methods such as bolts, and the embodiment is not limited.
In this embodiment, preferably, the water inlet end of the connection pipeline 12 is communicated with the first water outlet pipe 4, preferably, the second water outlet pipe 7 is connected to the connection pipeline 12, the connection pipeline 12 is connected to the bottom of the second inner container 2, a filter screen 13 is arranged around the water outlet hole of the connection pipeline 12, the connection pipeline 12 can be used for water inlet and water outlet, and the water inlet and water outlet device belongs to a bidirectional channel and has a simple structure.
Further, in order to realize automatic control, it is preferable that the first valve 8 is a solenoid valve. In other embodiments, the first valve may be provided as a manually controlled ordinary valve.
The water storage type electric water heater provided by the embodiment has the working principle that: the first inner container 1 is used for storing normal hot water, and the second inner container 2 is used for storing water for soaking and foaming a medicinal bath.
When normal hot water is needed for bathing, the first valve 8 is closed, and water flows into the first inner container 1 from the water inlet pipe 3 and flows out from the first water outlet pipe 4 after being heated.
When medicated bath is needed, 1) the first valve 8 is opened, hot water in the first inner container 2 is injected into the first inner container 1 through the connecting pipeline 12, along with the inflow of the hot water, the water level rises, air in the second inner container 2 can be extruded out from the exhaust hole 9 at the top of the second inner container 2, the hot water continuously flows in, after the temperature of the hot water in the second inner container 2 reaches the liquid level sensor 10, the first valve 8 is closed, the hot water does not enter the second inner container 2, the hot water entering the second inner container 2 can be used for soaking a medicated bag, and the water in the second inner container 2 is changed into the medicated bath water, as shown in fig. 3. 2) The medicated bath water flows out of the second water outlet pipe 7 to realize medicated bath, as shown in figure 4.
Compared with the prior art, the water storage type electric water heater provided by the embodiment is provided with the two inner containers, and the different inner containers are used for storing normal hot water and medicated bath water respectively; not only is convenient for users to carry out medicated bath, but also can be switched to normal hot water for secondary flushing very conveniently after the medicated bath is finished. If the user needs to bath or soak feet in a bathtub instead of taking a shower, the first valve 8 can be directly opened, and the medicinal bath water can be directly discharged. In addition, the exhaust hole is formed in the top of the second inner container, and the medicine placing box and the second inner container are detachably connected, so that the second inner container can be emptied very conveniently, and the medicine placing box can be installed and replaced conveniently. In particular, since scale, impurities, etc. are easily generated from medicines, etc., the electric heater is not installed in the second inner container 2, and the hot water used is supplied from the first inner container 1.
Example 2
As shown in fig. 5, the structure of the water storage type electric water heater provided in this embodiment is basically the same as that of embodiment 1, except that the connection pipeline 12 and the second water outlet pipe 7 are two independent pipelines, and filter screens 13 are respectively disposed at the connection ends of the connection pipeline 12, the second water outlet pipe 7 and the second inner container 2. The advantage of the connecting pipe 12 and the second water outlet pipe 7 being two separate pipes is that it is beneficial to avoid the pollution of the public water path with drugs.
Example 3
As shown in fig. 6, the structure of the water storage type electric water heater provided in this embodiment is substantially the same as that of embodiment 1, except that:
the second inner container 2 is a closed container, and the connecting pipeline 12 and the second water outlet pipe 7 form a low-inlet high-outlet structure, so that the stability of a water layer of the second inner container 2 is ensured.
And secondly, a liquid level sensor in the second inner container 2 is eliminated.
And thirdly, the water outlet end of the second water outlet pipe 7 is connected with the first water outlet pipe 4, a second valve 14 is arranged on the first water outlet pipe 4, and the second valve 14 is arranged between the water inlet connecting end of the connecting pipeline 12 and the water outlet connecting end of the second water outlet pipe 7.
During operation, the hot water inlet mode in the second inner container 2 depends on the water inlet extrusion of the first inner container 1, the hot water outlet mode in the second inner container 2 depends on the water inlet extrusion of the first inner container 1, the second valve 14 needs to be closed and the first valve 8 needs to be opened when the water enters and exits from the second inner container 2, and the first valve 8 and the second valve 14 are both electromagnetic valves.
Example 4
As shown in fig. 7, the structure of the water storage type electric water heater provided in this embodiment is substantially the same as that of embodiment 1, except that:
the air hole 9 is provided with a third valve 15 for controlling the on-off of the air vent 9. In this embodiment, the third valve is an electromagnetic valve.
And secondly, a liquid level sensor in the second inner container 2 is eliminated.
And thirdly, the connecting pipeline 12 directly communicates the first inner container 1 with the second inner container 2, and the first water outlet pipe 4 and the second water outlet pipe 7 are connected together through the reversing valve 16. In this embodiment, the reversing valve is an electromagnetic valve.
The present embodiment provides an electric water storage heater having substantially the same technical effects as those of embodiment 1, and details are not repeated herein.
It will be understood by those skilled in the art from the foregoing description of the structure and principles that the present invention is not limited to the specific embodiments described above, and that modifications and substitutions based on the known art are intended to fall within the scope of the invention, which is defined by the claims and their equivalents. The details not described in the detailed description are prior art or common general knowledge.

Claims (10)

1. An electric water storage heater, comprising: the water heater comprises a first inner container and a second inner container, wherein a water inlet pipe, a first water outlet pipe and an electric heater are arranged on the first inner container, a medicine placing box and a second water outlet pipe are arranged on the second inner container, the first inner container and the second inner container are connected through a connecting pipeline, and a first valve for controlling the connection and disconnection of the connecting pipeline is arranged on the connecting pipeline.
2. The water storage type electric water heater according to claim 1, wherein the first inner container is a closed container, the water inlet pipe and the first water outlet pipe are installed at the bottom of the first inner container, a water outlet of the water inlet pipe is arranged near the bottom of the first inner container, and a water inlet of the first water outlet pipe is arranged near the top of the first inner container; forming a low-in high-out structure.
3. The water storage type electric water heater according to claim 1, wherein the second inner container is an open container, an air vent is arranged at the top of the second inner container, and a liquid level sensor is arranged in the second inner container;
or the second inner container is an open container, the top of the second inner container is provided with an exhaust hole, and the exhaust hole is provided with a third valve;
or the second inner container is a closed container, and the connecting pipeline and the second water outlet pipe form a low-inlet high-outlet structure.
4. The water storage type electric water heater according to claim 1, wherein the first inner container and the second inner container are both of a heat insulation structure, the first inner container and the second inner container are arranged in the same shell, and a heat insulation material is arranged between the shell and the first inner container and the second inner container.
5. The water storage type electric water heater according to claim 1, wherein the drug containing box is detachably connected with the second inner container.
6. The water storage type electric water heater according to claim 1 or 5, wherein the drug containing box comprises an upper drug containing box cover and a lower drug containing box cover, the upper drug containing box cover and the lower drug containing box cover together enclose a drug containing cavity, and the lower drug containing box cover is provided with a plurality of through holes for communicating the drug containing cavity with the second liner.
7. The water storage type electric water heater according to claim 5, wherein a flange is provided at a side portion of the second inner container, a sealing ring is provided between the drug containing box and the flange, and a mutually matching screw thread is provided between the upper cover of the drug containing box and the flange.
8. The water storage type electric water heater according to claim 1, wherein the connecting pipeline is connected to the bottom of the second inner container, and a water inlet end of the connecting pipeline is communicated with the first water outlet pipe;
the second water outlet pipe is connected to the connecting pipeline, and a filter screen is arranged around the water outlet hole of the connecting pipeline;
or the connecting pipeline and the second water outlet pipe are two independent pipelines, and filter screens are arranged at the connecting ends of the connecting pipeline and the second water outlet pipe and the second inner container.
9. The water storage type electric water heater according to claim 8, wherein the water outlet end of the second water outlet pipe is connected with the first water outlet pipe, the first water outlet pipe is provided with a second valve, and the second valve is arranged between the water inlet end of the connecting pipeline and the water outlet end of the second water outlet pipe.
10. The water storage type electric water heater according to claim 1, wherein the connecting pipeline directly connects the first inner container and the second inner container, and the first water outlet pipe and the second water outlet pipe are connected together through the reversing valve.
CN202022101380.1U 2020-09-22 2020-09-22 Water storage type electric water heater Active CN213578081U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022101380.1U CN213578081U (en) 2020-09-22 2020-09-22 Water storage type electric water heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022101380.1U CN213578081U (en) 2020-09-22 2020-09-22 Water storage type electric water heater

Publications (1)

Publication Number Publication Date
CN213578081U true CN213578081U (en) 2021-06-29

Family

ID=76577187

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022101380.1U Active CN213578081U (en) 2020-09-22 2020-09-22 Water storage type electric water heater

Country Status (1)

Country Link
CN (1) CN213578081U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113465171A (en) * 2021-06-30 2021-10-01 刘飞 Gas water heater

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113465171A (en) * 2021-06-30 2021-10-01 刘飞 Gas water heater

Similar Documents

Publication Publication Date Title
CN213578081U (en) Water storage type electric water heater
TWI526658B (en) Storage water heater with instant hot water supply and control method thereof
CN211497004U (en) Quantum terahertz low-frequency resonance heating water machine
CN112097387A (en) Water storage type electric water heater
CN202761846U (en) Warming device for transfusion
CN106766126A (en) Storage-type electric water heater
CN205372997U (en) Horizontal water storage formula water heater of external heating
CN206755567U (en) Twin-tub circulates rapid-heating water storage type electric water heater
CN210718169U (en) Low-heat-dissipation water tank for solar water heater
CN209770995U (en) constant-temperature automatic enema device for nursing
CN201045519Y (en) Solar energy hot-cold water mixing device
CN201683805U (en) Energy-saving low-carbon healthy and safe instantaneous heating shower
CN213216544U (en) Energy-saving direct-water-outlet direct water dispenser with warm water
CN206434634U (en) Anti-overflow enema syringe
CN205664560U (en) Health care formula pond warm water circulating system
CN2632572Y (en) Energy-saving pneumatic electric water heater with double air cavities
CN216080395U (en) Double-liner water heater
CN214172534U (en) Bathtub self-circulation heating water heater
CN206822392U (en) Indoor temperature regulating device
CN201187090Y (en) Heat storage type cistern and water closet using the same
CN205747449U (en) A kind of portability instant electric water heater
CN214856037U (en) Water dispenser
CN216090097U (en) Instant hot water and steam integrated milk foam machine
CN221061359U (en) Constant temperature liquid supply device
CN102419017A (en) Breathing apparatus

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant