CN214370914U

CN214370914U - Electric water heater

Info

Publication number: CN214370914U
Application number: CN202023286325.0U
Authority: CN
Inventors: 杨颂文; 赵猛
Original assignee: Guangdong Vanward New Electric Co Ltd
Current assignee: Guangdong Vanward New Electric Co Ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-10-08
Anticipated expiration: 2030-12-29

Abstract

The utility model relates to a technical field of water heater, more specifically relates to an electric water heater, including the shell that is equipped with the water storage inner bag, built-in instant heating cup and the muddy water valve that has heating portion, the water storage inner bag is equipped with cold water inlet tube and hot water outlet pipe, and the instant heating cup is equipped with water inlet and delivery port, mixes the water valve and is equipped with cold water port, hot water port and mixes the water port, and cold water port intercommunication cold water inlet tube, hot water port intercommunication hot water outlet pipe mix water port intercommunication water inlet, and the instant heating cup sets up in the inside of water storage inner bag. The hot cup is arranged in the water storage liner, so that even if water leaks due to poor welding, personal safety problems caused by water leakage can be avoided, and the hot cup is safer and more reliable to use; meanwhile, the hot water in the water storage inner container has a heat preservation effect on the instant heating cup, so that even in winter, the instant heating cup does not need to be worried about heat loss or icing, and the heating efficiency is improved.

Description

Electric water heater

Technical Field

The utility model relates to a technical field of water heater, more specifically relates to an electric water heater.

Background

When the water storage type electric water heater uses hot water, the water in the inner container of the water heater needs to be heated first and then mixed with cold water for use. As the hot water in the water storage tank is less and less, the temperature of the discharged water is difficult to reach the satisfactory temperature, and therefore, the volume of the inner container needs to be increased continuously.

Chinese patent document CN204285773U discloses a variable-frequency constant-temperature water storage type electric water heater in 2015, 4 months and 22 days, which comprises a water storage liner with a built-in liner heater, an instant heating cup with a built-in cup heater, an automatic water mixing valve and a controller, wherein the water storage liner is further provided with a cold water inlet pipe and a hot water outlet pipe, the instant heating cup is further provided with a cup body inlet pipe and a cup body outlet pipe, the automatic water mixing valve is communicated with the water inlet pipe of the water storage liner, the water outlet pipe of the water storage liner and the water inlet pipe of the instant heating cup, and the controller controls the power of the cup heater in a variable-frequency manner. The utility model discloses an automatic water mixing valve will be mixed the cooling by the hot water and the cold water that inner bag heater preheated in the water storage inner bag, and the cup heater complementary energy difference of rethread instant heating cup reaches the required temperature value of user, just inserts instant heating cup after the water heater mixes the water for instant heating cup can heat the hot water after mixing, reduces the hydrothermal use amount of inner bag, makes the inner bag of small volume become to provide the hot water of big liter number mutually.

However, in the above technical solution, the heating cup is disposed outside the water heater, and if a water leakage problem occurs, the user may be scalded. Meanwhile, due to the fact that the hot cup is exposed outside for a long time, heat is easy to dissipate in winter, heating efficiency is reduced, and the risk of icing exists in the north.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome at least one kind defect among the prior art, provide an electric water heater, even the cup that heats leaks can not drip on the human body yet, safer, can avoid thermal scattering and disappearing moreover.

In order to solve the technical problem, the utility model discloses a technical scheme is:

the electric water heater comprises a shell provided with a water storage liner, an instant heating cup and a water mixing valve, wherein a heating part is arranged in the instant heating cup, the water storage liner is provided with a cold water inlet pipe and a hot water outlet pipe, the instant heating cup is provided with a water inlet and a water outlet, the water mixing valve is provided with a cold water port, a hot water port and a water mixing port, the cold water port is communicated with the cold water inlet pipe, the hot water port is communicated with the hot water outlet pipe, the water mixing port is communicated with the water inlet, and the instant heating cup is arranged in the water storage liner. The instant heating cup can be directly formed in the water storage liner and can also be installed in the water storage liner in a detachable connection mode.

In foretell technical scheme, cold water gets into the water storage inner bag through cold water inlet tube and cold water inlet tube, then preheated in the water storage inner bag, preheat the back hot water of accomplishing and flow out through the hot water outlet pipe and mix water through mixing the water valve again, (the temperature of mixing water is turned down as far as possible, guarantee to satisfy the cup full power work of heating promptly), mix the mixed hot water of water valve and carry out the secondary heating in getting into the cup of heating promptly through the water inlet behind the water pipe again, the water of heating flows through the delivery port, shower equipment such as gondola water faucet can be connected to the delivery port of cup, the hot water after being heated is through the gondola water faucet supply user shower. In the whole using process, namely, the working space of the hot cup is positioned in the water storage liner, and the hot cup is positioned in the water storage liner, so that the water leakage problem of the hot cup is not worried, and even if the hot cup leaks water due to technological reasons, the hot cup cannot drop out of the water heater to cause scald to a human body. Meanwhile, hot water in the water storage liner has a heat preservation effect on the instant heating cup, and even if the instant heating cup is used in winter, the instant heating cup cannot lose heat or freeze due to heat exchange with cold air.

In one embodiment, the water storage liner is provided with a mounting hole, the instant heating cup is inserted into the mounting hole, and the instant heating cup is detachably connected with the water storage liner. The mounting hole can be arranged on any side of the water storage inner container, namely the hot cup can be arranged at any position of the water storage inner container.

In one embodiment, the water inlet and the water outlet of the instant heating cup are exposed outside the shell.

In one embodiment, the instant heating cup further comprises a cup body water inlet pipe, a cup body water outlet pipe, a cup body and a mounting plate covering the cup body, the heating part is arranged in the cup body, the cup body is arranged inside the water storage liner, the cup body water inlet pipe and the cup body water outlet pipe are inserted in the mounting plate and extend to the outside of the shell, the outer port of the cup body water inlet pipe is the water inlet, and the outer port of the cup body water outlet pipe is the water outlet.

In one embodiment, the heating portion in the instant cup is secured to an inner wall of the mounting plate. The heating part, the cup body water inlet pipe and the cup body water outlet pipe can be fixedly connected with the mounting disc in a welding mode or an integrated forming mode.

In one embodiment, the cup body water inlet pipe and the cup body water outlet pipe are connected with the mounting disc and are integrally formed.

In one embodiment, the cup and the mounting plate are joined by welding.

In one embodiment, an installation platform is arranged at the position, located at the installation hole, of the water storage liner, and the installation disc is fixedly connected with the installation platform; and a sealing ring is arranged between the mounting disc and the inner ring of the mounting table. The structure of the sealing ring can be a ring type sealing ring, a step type sealing ring and other sealing rings.

In one embodiment, the outer ring of the sealing ring is arc-shaped, and the inner ring of the mounting table is an arc-shaped surface attached to the sealing ring.

In one embodiment, the mounting plate is fixedly connected to the mounting plate by a fastener.

The utility model discloses an electric water heater, the beneficial effect who compares with the background art does: the hot cup is arranged in the water storage liner, so that even if water leaks due to poor welding of the hot cup, personal safety problems caused by water leakage can be avoided, the hot cup is safer and more reliable to use, the requirement on the pressure bearing capacity of the hot cup is not high, and the production cost is reduced; meanwhile, the hot water in the water storage inner container has a heat preservation effect on the instant heating cup, so that even in winter, the instant heating cup does not need to be worried about heat loss or icing, and the heating efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of an internal structure of an electric water heater;

FIG. 2 is an enlarged view of a portion of FIG. 1 at position A;

FIG. 3 is a schematic structural view of the water outlet liner;

fig. 4 is an exploded view of the instant hot cup.

In the drawings: 1-a water storage inner container; 101-a cold water inlet pipe; 102-hot water outlet pipe; 103-mounting holes; 104-a mounting table; 1041-cambered surface; 2-a housing; 3-instant heating cup; 301-a heating section; 302-cup body water inlet pipe; 303-water outlet pipe of cup body; 304-a cup body; 305-mounting a disc; 306-a sealing ring; 4-a water mixing valve.

Detailed Description

As shown in fig. 1 to 4, an electric water heater includes a housing 2 having a water storage liner 1, an instant heating cup 3 having a heating portion 301 therein, and a water mixing valve 4, wherein the water storage liner 1 is provided with a cold water inlet pipe 101 and a hot water outlet pipe 102, the instant heating cup 3 is provided with a water inlet and a water outlet, the water mixing valve 4 is provided with a cold water port, a hot water port, and a water mixing port, the cold water port is communicated with the cold water inlet pipe 101, the hot water port is communicated with the hot water outlet pipe 102, the water mixing port is communicated with the water inlet, and the instant heating cup 3 is disposed inside the water storage liner 1.

Cold water gets into water storage inner bag 1 through cold water inlet tube 101 through cold water inlet tube, then the water of water storage inner bag 1 is preheated, preheat the back hot water of accomplishing and flow out through hot water outlet pipe 102 and mix water through mixing water valve 4 again, the temperature of mixing water is transferred low as far as possible, guarantee to satisfy and heat 3 full power work of cup promptly, mix hot water of water valve 4 and carry out the secondary heating through the water inlet entering in the cup 3 promptly through the water inlet behind the water pipe, the water of heating flows through the delivery port, shower equipment such as gondola water faucet can be connected to the delivery port, the hot water after being heated is through the gondola water faucet supply user shower. In the whole using process, the working space of the instant heating cup 3 is positioned in the water storage inner container 1, and the instant heating cup 3 is positioned in the water storage inner container 1, so that the water leakage problem of the instant heating cup 3 is not worried, and even if the instant heating cup 3 leaks water due to process reasons, the instant heating cup can not drip out of the water heater to cause scald to human bodies. Meanwhile, the hot water in the water storage inner container 1 has a heat preservation effect on the instant heating cup 3, and even if the instant heating cup is used in winter, the instant heating cup 3 cannot lose heat or freeze due to heat exchange with cold air.

In one embodiment, the water storage liner 1 is provided with the mounting hole 103, i.e. the instant heating cup 3 is inserted into the mounting hole 103, i.e. the instant heating cup 3 is detachably connected with the water storage liner 1, so that the instant heating cup 3 can be conveniently detached, and the instant heating cup 3 can be detached for maintenance or replacement independently after the instant heating cup 3 fails.

In one embodiment, the water inlet and outlet of the hot cup 3 are exposed to the outside of the housing 2. The water inlet and the water outlet are conveniently connected with an external water pipe structure.

In one embodiment, the mounting hole 103 is disposed on a side of the water storage bladder 1 close to the mixing valve 4. In a normal use state of the water heater, the water mixing valve 4 is generally positioned below the water storage liner 1. And set up mounting hole 103 in the one side that is close to mixing water valve 4, mounting hole 103 sets up in the below of water storage inner bag 1 promptly, both conveniently will heat cup 3 promptly and pack into in mounting hole 103, the water inlet that makes heat cup 3 promptly simultaneously is close to mixing water valve 4 more, is convenient for link together water inlet and mixing water valve 4 through pipe.

In one embodiment, the instant heating cup 3 further includes a cup body water inlet pipe 302, a cup body water outlet pipe 303, a cup body 304, and a mounting plate 305 covering the cup body 304, the heating portion 301 is disposed in the cup body 304, the cup body 304 is disposed inside the water storage liner 1, the cup body water inlet pipe 302 and the cup body water outlet pipe 303 are inserted into the mounting plate 305 and extend to the outside of the housing 2, an external port of the cup body water inlet pipe 302 is a water inlet, and an external port of the cup body water outlet pipe 303 is a water outlet. The water enters the instant heating cup 3 through the cup body water inlet pipe 302, and flows out of the cup body water outlet pipe 303 after being secondarily heated by the heating part 301. The cup body water inlet pipe 302 and the cup body water outlet pipe 303 are inserted in the mounting disc 305 and extend to the outside of the shell 2, so that an external water pipe is conveniently connected with the cup body water inlet pipe 302 and the cup body water outlet pipe 303.

In one embodiment, the heating portion 301 in the heating cup 3 is fixed to the inner wall of the mounting plate 305. Heating portion 301, cup inlet tube 302 and cup outlet tube 303 can be connected fixedly with mounting disc 305 through the welded form or integrated into one piece's form, then connect mounting disc 305 and cup 304, in the time of processing, it is more convenient.

In one embodiment, the cup body water inlet pipe 302 and the cup body water outlet pipe 303 are respectively connected with the mounting plate 305 and are integrally formed, no gap is left between the mounting plate 305 and the cup body water inlet pipe 302 and the cup body water outlet pipe 303, and the sealing performance is better. Meanwhile, no connecting gap exists, so that better pressure bearing performance can be achieved.

In one embodiment, cup 304 and mounting plate 305 are joined by welding, which provides a better seal between cup 304 and mounting plate 305.

In one embodiment, the water storage liner 1 is provided with an installation platform 104 at the installation hole 103, and the installation plate 305 is fixedly connected with the installation platform 104; a sealing ring 306 is arranged between the mounting disc 305 and the inner ring of the mounting table 104. The mounting plate 305 is fixedly connected to the mounting table 104 by fasteners. Through the matching of the mounting plate 305 and the exposed mounting platform 104, the instant heating cup 3 and the water storage liner 1 have a connecting and fixing position outside the water storage liner 1, so that the instant heating cup 3 and the water storage liner 1 can be conveniently connected and arranged in the water storage liner 1. The structure of the sealing ring 306 may be a ring type sealing ring, a step type sealing ring, or the like. The sealing ring 306 prevents hot water in the water storage tank 1 from leaking from the joint between the mounting table 104 and the mounting plate 305.

In one embodiment, the outer ring of the seal ring 306 is arc-shaped, and the inner ring of the mounting platform 104 is an arc-shaped surface 1041 attached to the seal ring 306. The surface that sealing washer 306 and mount table 104 laminating are the arcwall face, even the hot water of water storage inner bag 1 has taken place slight leakage in sealing washer 306 department, carries out the turning of arcwall face when the hot water, owing to receive sealing washer 306 the choked flow effect, also can form secondary seal here, has avoided the leakage of hot water.

In the detailed description of the embodiments, various technical features may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The electric water heater comprises a shell (2) provided with a water storage liner (1), an instant heating cup (3) internally provided with a heating part (301) and a water mixing valve (4), wherein the water storage liner (1) is provided with a cold water inlet pipe (101) and a hot water outlet pipe (102), the instant heating cup (3) is provided with a water inlet and a water outlet, the water mixing valve (4) is provided with a cold water port, a hot water port and a water mixing port, the cold water port is communicated with the cold water inlet pipe (101), the hot water port is communicated with the hot water outlet pipe (102), and the water mixing port is communicated with the water inlet, and is characterized in that the instant heating cup (3) is arranged inside the water storage liner (1).

2. The electric water heater according to claim 1, characterized in that the water storage liner (1) is provided with a mounting hole (103), and the instant heating cup (3) is inserted into the mounting hole (103).

3. The electric water heater according to claim 2, characterized in that the water inlet and outlet of the instant heating cup (3) are exposed to the outside of the outer shell (2).

4. The electric water heater according to claim 2, wherein the instant heating cup (3) further comprises a cup body water inlet pipe (302), a cup body water outlet pipe (303), a cup body (304) and a mounting plate (305) covering the cup body (304), the heating part (301) is arranged in the cup body (304), the cup body (304) is arranged in the water storage liner (1), the cup body water inlet pipe (302) and the cup body water outlet pipe (303) are inserted in the mounting plate (305) and extend to the outside of the shell (2), an outer port of the cup body water inlet pipe (302) is the water inlet, and an outer port of the cup body water outlet pipe (303) is the water outlet.

5. The electric water heater according to claim 4, characterized in that the heating portion (301) in the instant heating cup (3) is fixed to the inner wall of the mounting plate (305).

6. The electric water heater according to claim 5, wherein the cup inlet pipe (302) and the cup outlet pipe (303) are respectively connected with the mounting plate (305) and are integrally formed.

7. The electric water heater according to claim 4, characterized in that the cup (304) and the mounting plate (305) are connected by welding.

8. The electric water heater according to claim 4, characterized in that the water storage liner (1) is provided with a mounting platform (104) at the mounting hole (103), and the mounting plate (305) is fixedly connected with the mounting platform (104); and a sealing ring (306) is arranged between the mounting disc (305) and the inner ring of the mounting table (104).

9. The electric water heater according to claim 8, wherein the outer ring of the sealing ring (306) is arc-shaped, and the inner ring of the mounting table (104) is arc-shaped (1041) which is attached to the sealing ring (306).

10. The electric water heater according to claim 8, characterized in that the mounting plate (305) is fixedly connected with the mounting table (104) by means of fasteners.