CN213811134U - Heating device of electric water boiler - Google Patents
Heating device of electric water boiler Download PDFInfo
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- CN213811134U CN213811134U CN202022115524.9U CN202022115524U CN213811134U CN 213811134 U CN213811134 U CN 213811134U CN 202022115524 U CN202022115524 U CN 202022115524U CN 213811134 U CN213811134 U CN 213811134U
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- pipe
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- water inlet
- tube
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Abstract
A heating device of an electric water heater comprises a thick/thin film heating tube, two wiring terminals arranged on the thick/thin film heating tube, a water inlet guide seat, a water outlet guide seat, a tube seat, a shell, an upper fixing ring and a lower fixing ring, wherein the thick/thin film electric heating tube extends out of two ends of a tube body part, and a heat dissipation and conduction cavity is formed by a gap between the thick/thin film electric heating tube and the tube body part; the pipe seat is embedded into the shell, the water inlet and guide seat body of the water inlet and guide seat is inserted into the inner port of the shell, the water guide interface pipe and the water return interface pipe are respectively inserted with the upper ends of the water inlet pipe part and the water return pipe part, and the upper ends of the thick/thin film electric heating pipes are inserted into the upper pipe seat; the water guide connector pipe and the water return connector pipe of the water outlet guide seat are respectively inserted with the lower ends of the water inlet pipe part and the water return pipe part, and the water outlet guide seat body is fixedly attached to the flange at the lower end of the shell. The heat emitted by the thick/thin film electric heating tube exchanges heat with the water inlet pipe part and the water return pipe part through the heat radiation and conduction cavity, and water is preheated; the heat efficiency is improved and the temperature rise of the thick/thin film electric heating tube is reduced.
Description
Technical Field
The invention relates to a device for an electric water boiler, in particular to a water heating device.
Background
At present, in the prior art, a heating device of an electric water boiler comprises a thick/thin film heating tube and two wiring terminals arranged on the thick/thin film heating tube. There are problems in that: the thick/thin film heating tube radiates heat to the periphery, influences other components and has high temperature;
disclosure of Invention
The purpose of the invention is: the heating device of the electric water heater can preheat water by utilizing waste heat and reduce the temperature rise of a thick/thin film heating tube.
The invention is realized by the following steps: the utility model provides a heating device of electric water heater, includes thick/film heating tube and establishes two binding post on thick/film heating tube, its characterized in that: also comprises a water inlet guide seat, a water outlet guide seat, a tube seat, a shell, an upper fixing ring and a lower fixing ring,
the water inlet and guide seat comprises a water inlet and guide seat body, a water inlet joint, a water outlet joint pipe, an upper pipe seat and a water inlet joint pipe, and the water inlet joint pipe is communicated with the inner cavity of the upper pipe seat;
the water outlet guide seat comprises a water outlet guide seat body, a hot water outlet connector, a lower tube seat, a counter bore, a water guide connector pipe and a water return connector pipe, wherein the hot water outlet connector, the lower tube seat and the counter bore are communicated, and the water guide connector pipe is communicated with the water return connector pipe;
the pipe seat comprises a pipe body part, a water inlet pipe part and a water return pipe part which are arranged on the pipe body part;
the shell comprises an inner connector arranged at the upper end, a pipe body cavity, a water inlet pipe cavity, a water return pipe cavity and a flange arranged at the lower end,
the thick/thin film electric heating tube extends out of two ends of the tube body part, the interface of the upper fixing ring is inserted with the upper end of the tube body part, the interface of the lower fixing ring is inserted into the lower end of the tube body part, the thick/thin film electric heating tube is fixed with the central holes of the upper fixing ring and the lower fixing ring, and a heat dissipation and heat conduction cavity is formed by a gap between the thick/thin film electric heating tube and the tube body part; the pipe seat is embedded into the shell, and the pipe body part, the water inlet pipe part and the water return pipe part are respectively embedded with the pipe body part cavity, the water inlet pipe part cavity and the water return pipe part cavity; the water inlet and guide seat body of the water inlet and guide seat is inserted into the inner connector of the shell, the water guide connector pipe and the water return connector pipe are respectively inserted with the upper ends of the water inlet pipe part and the water return pipe part, and the upper end of the thick/thin film electric heating pipe is inserted into the upper pipe seat; the water guide connector pipe and the water return connector pipe of the water outlet guide seat are respectively inserted with the lower ends of the water inlet pipe part and the water return pipe part, and the water outlet guide seat body is fixedly attached to the flange at the lower end of the shell.
The heating device of the electric water boiler is characterized in that: among the wiring terminals, one wiring terminal is positioned in the inner connector of the shell, and the other wiring terminal is positioned in the counter bore of the water guide seat.
The heating device of the electric water boiler is characterized in that: the tube seat is made of metal materials, the shell is made of plastic materials, and the tube seat is embedded in the shell.
The heating device of the electric water boiler is characterized in that: the tube seat and the shell are made of plastic materials and are formed in one step.
The heating device of the electric water boiler adopts the structure, so that heat emitted by the thick/thin film electric heating tube exchanges heat with the water inlet pipe part and the water return pipe part through the heat radiation and conduction cavity, and water is preheated; the heat efficiency is improved and the temperature rise of the thick/thin film electric heating tube is reduced.
Drawings
Fig. 1 is a cross-sectional view of the present invention.
Fig. 2 is a perspective cross-sectional view of the present invention.
Fig. 3 is a perspective sectional view of the water guide of the present invention.
Fig. 4 is a bottom view of the housing of the present invention.
Fig. 5 is a top view of the housing of the present invention.
Fig. 6 is one of the exploded perspective views of the present invention.
Fig. 7 is a second exploded perspective view of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in figure 1, the heating device of the electric water heater comprises a thick/thin film heating tube 1, two wiring terminals 2 arranged on the thick/thin film heating tube, a water inlet guide seat 3, a water outlet guide seat 4, a tube seat 5, a shell 6, an upper fixing ring 71 and a lower fixing ring 72,
as shown in fig. 3, the water inlet guide seat 3 includes a water inlet guide seat body 31, a water inlet joint 32, a water outlet joint pipe 33, an upper seat 34 and a water inlet joint pipe 35, and the water inlet joint pipe 35 is communicated with an inner cavity of the upper seat 34;
the water outlet guide seat 4 comprises a water outlet guide seat body 41, a hot water outlet joint 42, a lower tube seat 43, a counter bore 44, a water guide interface tube 45 and a water return interface tube 46, wherein the hot water outlet joint 42, the lower tube seat 43 and the counter bore 44 are communicated, as shown in fig. 2, the water guide interface tube 45 is communicated with the water return interface tube 46, and the water flow direction is as the arrow direction in the figure;
the pipe holder 5 includes a pipe body 51, a water inlet pipe 52 and a water return pipe 53 provided on the pipe body;
the housing 6 includes an inner port 61 provided at an upper end, a pipe body chamber 62, a water inlet pipe chamber 63, a water return pipe chamber 64, and a flange 65 provided at a lower end,
the thick/thin film electric heating tube 1 extends out from two ends of the tube body part 51, the interface of the upper fixing ring 71 is inserted with the upper end of the tube body part 51, the interface of the lower fixing ring 72 is inserted into the lower end of the tube body part 51, the thick/thin film electric heating tube 1 is fixed with the central holes of the upper fixing ring 71 and the lower fixing ring 72, and a heat dissipation and conduction cavity is formed by a gap between the thick/thin film electric heating tube 1 and the tube body part 51; the pipe seat 5 is embedded in the shell 6, and the pipe body part 51, the water inlet pipe part 52 and the water return pipe part 53 are respectively embedded with the pipe body part cavity 62, the water inlet pipe part cavity 63 and the water return pipe part cavity 64; the water inlet guide seat body 31 of the water inlet guide seat 3 is inserted into the inner port 1 of the shell 6, the water guide interface pipe 33 and the water return interface pipe 35 are respectively inserted with the upper ends of the water inlet pipe part 52 and the water return pipe part 53, and the upper end of the thick/thin film electric heating pipe 1 is inserted into the upper pipe seat 34; the water supply connection pipe 45 and the water return connection pipe 46 of the water outlet guide 4 are respectively inserted into the lower ends of the water inlet pipe portion 52 and the water return pipe portion 53, and the water outlet guide body 41 is fixedly attached to the flange 65 at the lower end of the housing 6.
One of the connecting terminals 2 is positioned in the inner interface 61 of the shell 6, and the other connecting terminal 2 is positioned in the counter bore 44 of the water guide seat 4.
The stem 5 is made of a metal material such as aluminum, copper; the shell 6 is made of plastic materials, and the tube seat 5 is embedded in the shell 6;
or the tube holder 5 and the housing 6 are made of plastic material and are formed in one piece.
When the invention is used, the water source does not pass through the water inlet connector 32, the water outlet connector 33, the water inlet pipe part 52, the water inlet connector 45 and the water return connector 46 of the water outlet guide seat 4, the water return pipe part 53, the water inlet connector 35, the upper pipe seat 34, the thick/thin film electric heating pipe 1 and the lower pipe seat 43 of the water inlet guide seat 3 and flows out from the hot water outlet connector 42.
What has been described above is merely a preferred embodiment of the present invention. It should be noted that a person skilled in the art could make several modifications and variations without departing from the principle of the present invention, which should also be regarded as the protection scope of the present invention.
Claims (4)
1. The utility model provides a heating device of electric water boiler, includes thick/film heating tube and establishes two binding post on thick/film heating tube, its characterized in that: also comprises a water inlet guide seat, a water outlet guide seat, a tube seat, a shell, an upper fixing ring and a lower fixing ring,
the water inlet and guide seat comprises a water inlet and guide seat body, a water inlet joint, a water outlet joint pipe, an upper pipe seat and a water inlet joint pipe, and the water inlet joint pipe is communicated with the inner cavity of the upper pipe seat;
the water outlet guide seat comprises a water outlet guide seat body, a hot water outlet connector, a lower tube seat, a counter bore, a water guide connector pipe and a water return connector pipe, wherein the hot water outlet connector, the lower tube seat and the counter bore are communicated, and the water guide connector pipe is communicated with the water return connector pipe;
the pipe seat comprises a pipe body part, a water inlet pipe part and a water return pipe part which are arranged on the pipe body part;
the shell comprises an inner connector arranged at the upper end, a pipe body cavity, a water inlet pipe cavity, a water return pipe cavity and a flange arranged at the lower end,
the thick/thin film electric heating tube extends out of two ends of the tube body part, the interface of the upper fixing ring is inserted with the upper end of the tube body part, the interface of the lower fixing ring is inserted into the lower end of the tube body part, the thick/thin film electric heating tube is fixed with the central holes of the upper fixing ring and the lower fixing ring, and a heat dissipation and heat conduction cavity is formed by a gap between the thick/thin film electric heating tube and the tube body part; the pipe seat is embedded into the shell, and the pipe body part, the water inlet pipe part and the water return pipe part are respectively embedded with the pipe body part cavity, the water inlet pipe part cavity and the water return pipe part cavity; the water inlet and guide seat body of the water inlet and guide seat is inserted into the inner connector of the shell, the water guide connector pipe and the water return connector pipe are respectively inserted with the upper ends of the water inlet pipe part and the water return pipe part, and the upper end of the thick/thin film electric heating pipe is inserted into the upper pipe seat; the water guide connector pipe and the water return connector pipe of the water outlet guide seat are respectively inserted with the lower ends of the water inlet pipe part and the water return pipe part, and the water outlet guide seat body is fixedly attached to the flange at the lower end of the shell.
2. A heating device of an electric water boiler according to claim 1, characterized in that: among the wiring terminals, one wiring terminal is positioned in the inner connector of the shell, and the other wiring terminal is positioned in the counter bore of the water guide seat.
3. A heating device of an electric water boiler according to claim 1, characterized in that: the tube seat is made of metal materials, the shell is made of plastic materials, and the tube seat is embedded in the shell.
4. A heating device of an electric water boiler according to claim 1, characterized in that: the tube seat and the shell are made of plastic materials and are formed in one step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022115524.9U CN213811134U (en) | 2020-09-23 | 2020-09-23 | Heating device of electric water boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022115524.9U CN213811134U (en) | 2020-09-23 | 2020-09-23 | Heating device of electric water boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213811134U true CN213811134U (en) | 2021-07-27 |
Family
ID=76955010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022115524.9U Active CN213811134U (en) | 2020-09-23 | 2020-09-23 | Heating device of electric water boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213811134U (en) |
-
2020
- 2020-09-23 CN CN202022115524.9U patent/CN213811134U/en active Active
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