CN210486057U

CN210486057U - Electric water heater with high-temperature-resistant electricity-proof wall

Info

Publication number: CN210486057U
Application number: CN201921589422.1U
Authority: CN
Inventors: 殴永源; 劳子峰; 周志铭; 李志伦
Original assignee: Guangdong Weber Electric Appliances Co ltd
Current assignee: Guangdong xinweibo Electric Appliance Co.,Ltd.
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-05-08
Anticipated expiration: 2029-09-23

Abstract

The utility model provides a high temperature resistant prevents electric water heater of electric wall, including casing, inner bag, inlet tube, outlet pipe, first heating tube, the inner bag sets up in the casing, inlet tube, outlet pipe, first heating tube set up on the inner bag and stretch into in the inner bag, the outlet pipe includes water outlet inner tube, water outlet outer pipe sleeve establishes on water outlet inner tube, water outlet inner tube is made by the fluoroplastics material, water outlet outer tube is made by metal material. The water outlet inner pipe of the utility model is made of fluoroplastic materials, so that the water outlet inner pipe has good heat resistance, the water outlet outer pipe is made of metal materials, and even if the water outlet inner pipe is softened by high temperature, the water outlet outer pipe can keep the shape of the water outlet inner pipe in a softened state, so that the integral structure of the water outlet pipe is more reliable; the inner wall of the water outlet inner pipe is provided with spiral grains to prolong the path of water flow in the pipe and increase the resistance of water in the pipe, thereby improving the safety performance and simultaneously strengthening the structural strength of the water outlet inner pipe.

Description

Electric water heater with high-temperature-resistant electricity-proof wall

Technical Field

The utility model relates to a water heater technical field, more specifically say, relate to an electric water heater of high temperature resistant electricity-proof wall.

Background

Electric water heaters have become a commonly used household appliance, and the safety performance of the electric water heaters is crucial. The electric shock prevention principle of the electric water heater is that water in the inner container does not directly flow out, but flows out after passing through a longer water pipe, and along with the increase of the length of the pipeline, the resistance value of the water in the water pipe is increased. Therefore, water in the inner container flows to a human body through a long pipeline, the inner container is equivalent to a series circuit, the resistance value is relatively large due to the long pipeline, partial pressure on the inner container is relatively high, partial pressure on the human body is relatively low, and when the partial pressure of water flow processed by the electricity-proof wall is lower than the maximum voltage born by the human body, the safety of people can be guaranteed.

The existing electricity-proof wall water pipe usually comprises an inner pipe which is of a slender structure and made of plastic materials, an outer pipe which is made of metal materials is arranged outside the inner pipe, and the water pipe which is made of the plastic materials is non-conductive, so that the insulativity of the water pipe can be ensured. However, the electric water heater is heated without being filled with water or without being added with water, dry burning can be formed, the temperature can reach two or three hundred degrees before a protection device of the electric water heater acts, an inner pipe made of plastic materials can be melted or fused, and when the electric water heater is restarted, the electric water heater can normally work, but the length of a pipeline of water resistance is changed due to the fusion of the inner pipe, so that the set requirement cannot be met, and electric shock hidden troubles are left; or the pipeline is melted and blocked, and the phenomenon of heating damage cannot be used or is more serious.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high temperature resistant prevents electric water heater of electric wall, its simple structure, reliable has the high temperature resistant performance prevents electric wall water pipe to overcome prior art's not enough.

The technical proposal of the utility model for solving the technical problem is that: the electric water heater comprises a shell, an inner container, a water inlet pipe, a water outlet pipe and a first heating pipe, wherein the inner container is arranged in the shell, the water inlet pipe, the water outlet pipe and the first heating pipe are arranged on the inner container and extend into the inner container, the water outlet pipe comprises a water outlet inner pipe and a water outlet outer pipe, the water outlet outer pipe is sleeved on the water outlet inner pipe, the water outlet inner pipe is made of a fluoroplastic material, and the water outlet outer pipe is made of a metal material.

The inner wall of the water outlet inner pipe is provided with spiral grains, and the spiral grains are used for prolonging the path of water flow in the pipe.

The water inlet of the water outlet pipe is arranged at the top of the water outlet inner pipe, and the top of the water outlet outer pipe is provided with an opening.

The top of the water outlet outer pipe is flush with the top of the water outlet inner pipe, or the top of the water outlet outer pipe is higher than the top of the water outlet inner pipe, or the top of the water outlet outer pipe is lower than the top of the water outlet inner pipe.

The utility model has the advantages that:

the utility model provides an electric water heater of high temperature resistant electricity-proof wall, its outlet pipe includes the water outlet inner tube, sets up the water outlet outer tube on the water outlet inner tube, the water outlet inner tube adopts the fluoroplastic material, makes it have good heat resistance, the water outlet outer tube adopts the metal material, even the water outlet inner tube is softened by high temperature, the water outlet outer tube can make the water outlet inner tube keep the shape under the softened state, make the overall structure of the outlet pipe more reliable; the inner wall of the water outlet inner pipe is provided with spiral grains to prolong the path of water flow in the pipe and increase the resistance of water in the pipe, thereby improving the safety performance and simultaneously strengthening the structural strength of the water outlet inner pipe.

Drawings

Fig. 1 is a schematic structural view of the electric water heater with the high temperature resistant electricity-proof wall of the present invention.

Fig. 2 is a structural cross-sectional view of the electric water heater of the high temperature resistant electricity-proof wall of the present invention.

Fig. 3 is an enlarged view of region a in fig. 2.

Fig. 4 is a schematic structural diagram of the energy concentrating cabin cover of the present invention.

Fig. 5 is a schematic view of the positions of the energy-gathering bin cover and the water outlet pipe of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "lateral", "up", "down", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. "plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected. Can also be detachably connected or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art.

Referring to fig. 1-3, an electric water heater of a high temperature resistant electricity-proof wall comprises a shell 1, an inner container 2, a water inlet pipe 3, a water outlet pipe 4, a first heating pipe 5 and a magnesium rod 6.

The inner container 2 is arranged in the shell 1, a heat preservation foam layer is arranged between the inner container and the shell, the water inlet pipe 3, the water outlet pipe 4 and the magnesium rod 6 are arranged at the bottom of the inner container 2, and the first heating pipe 5 is arranged at the side part of the inner container 2.

The bottom of the inner container 2 is provided with a water inlet pipe orifice, a water outlet pipe orifice and a sewage outlet 21 in parallel.

The water inlet pipe 3 extends into the inner container 2 through a water inlet pipe orifice, the water inlet pipe 3 is connected with the water outlet end of the water inlet valve 31 through a connector 34, and the water inlet end of the water inlet valve 31 is connected with a tap water pipe; the water inlet pipe 3 is provided with an electricity-proof wall structure, a water inlet 32 of the water inlet pipe is arranged at the upper part of the water inlet inner pipe, and a water outlet 33 of the water inlet pipe is arranged at the lower part of the water inlet outer pipe.

The water outlet pipe 4 extends into the inner container 2 through a water outlet pipe opening, and the water outlet pipe 4 is connected with the water mixing valve through a joint 34; the water outlet pipe 4 extends to the top of the inner container 2, and the water inlet 41 of the water outlet pipe is positioned at the top of the water outlet pipe 4. The water outlet pipe 4 is provided with an electricity-proof wall structure which comprises an inner water outlet pipe 42 and an outer water outlet pipe 43, and the outer water outlet pipe 43 is sleeved on the inner water outlet pipe 42; the water inlet 41 of the water outlet pipe is arranged at the top of the water outlet inner pipe 42, and the top of the water outlet outer pipe 43 is provided with an opening. The top of the outer water outlet pipe 43 is flush with the top of the inner water outlet pipe 42, or the top of the outer water outlet pipe 43 is higher than the top of the inner water outlet pipe 42, or the top of the outer water outlet pipe 43 is lower than the top of the inner water outlet pipe 42.

The water outlet inner tube 42 is made of a fluoroplastic material, the fluoroplastic material has excellent electrical insulation performance and excellent heat resistance, and when the electric water heater is in a dry-burning state, the water outlet inner tube 42 cannot be melted or cave-formed. And the outer water outlet pipe 43 is made of metal material, even if the inner water outlet pipe 42 is heated to be soft, the outer water outlet pipe 43 can keep the shape of the inner water outlet pipe 42 in a soft state, so that the overall structure of the water outlet pipe 4 is more reliable.

Further, the inner wall of the inner water outlet pipe 42 is provided with the spiral threads 44, so that the water flow path in the pipe is prolonged, the resistance value of the water in the pipe is increased, the safety performance is improved, and the structural strength of the inner water outlet pipe 42 is enhanced.

The magnesium rod 6 is screwed on the mounting seat 61 and extends into the inner container 2 through the sewage outlet 21, the mounting seat 61 is screwed on the valve body of the sewage valve 62, and the valve body of the sewage valve 62 is screwed with the sewage outlet 21.

The lateral part of the inner container 2 is provided with a first flange 22, the first heating pipe 5 is arranged on the first flange 22 and horizontally extends towards the direction of the water outlet pipe 4, and the first heating pipe 5 is positioned on the horizontal line of the middle part of the inner container 2.

Referring to fig. 1, 2, 4 and 5, the utility model also comprises a second heating tube 7 and an energy-gathering cabin cover 8.

The side of the inner container 2 is provided with a second flange 23, the second heating tube 7 is arranged on the second flange 23 and horizontally extends towards the water outlet pipe 4, and the second heating tube 7 is positioned at the position of the middle part of the inner container 2, which is lower than the horizontal line.

The energy-gathering cabin cover 8 is sleeved on the first heating pipe 5 and is arranged on the first flange 22; the energy-gathering cabin cover 8 is a J-shaped cylindrical structure, one end of which is mounted on the first flange 22, and the other end of which extends towards the water inlet 41 of the water outlet pipe and is close to the water inlet 41 of the water outlet pipe. In order to avoid the outlet pipe 4, gather ability cabin cover 8 towards one side of non-outlet pipe 4 around the rotatory 15-20 of the horizontal central line of first flange 22, the utility model discloses well gather ability cabin cover 8 towards the rotatory 20 of the horizontal central line of inner bag 2 rear side around first flange 22.

The energy-gathering cabin cover 8 is provided with a water inlet 81 and a water outlet 82 which are communicated with each other. The water inlet 81 is arranged on the side wall of the energy-gathering cabin cover 8 close to the bottom of the inner container 2, and the water outlet 82 is arranged on the end part of the energy-gathering cabin cover 8 close to the water inlet 41 of the water outlet pipe. The water of inner bag 2 enters into gathering in the cabin cover 8 through inlet opening 81, gets into outlet pipe 4 from apopore 82 after the heating of first heating tube 5, gathers the cabin cover 8 and can promote the temperature rapidly, has higher hot water output rate, easily realizes the instant heating function.

In the utility model, the inner water outlet pipe is made of fluoroplastic materials, so that the inner water outlet pipe has good heat resistance, the outer water outlet pipe is made of metal materials, and even if the inner water outlet pipe is softened by high temperature, the outer water outlet pipe can keep the shape of the inner water outlet pipe in a softened state, so that the integral structure of the water outlet pipe is more reliable; the inner wall of the water outlet inner pipe is provided with spiral grains to prolong the path of water flow in the pipe and increase the resistance of water in the pipe, thereby improving the safety performance and simultaneously strengthening the structural strength of the water outlet inner pipe.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents, and all changes that can be made without inventive step are intended to be embraced therein.

Claims

1. The utility model provides a high temperature resistant electric water heater of preventing electric wall, includes casing, inner bag, inlet tube, outlet pipe, first heating pipe, the inner bag sets up in the casing, inlet tube, outlet pipe, first heating pipe set up on the inner bag and stretch into in the inner bag, its characterized in that: the water outlet pipe comprises an inner water outlet pipe and an outer water outlet pipe, the outer water outlet pipe is sleeved on the inner water outlet pipe, the inner water outlet pipe is made of a fluoroplastic material, and the outer water outlet pipe is made of a metal material.

2. The electric water heater of the high temperature resistant electricity-proof wall as claimed in claim 1, characterized in that: the inner wall of the water outlet inner pipe is provided with spiral grains, and the spiral grains are used for prolonging the path of water flow in the pipe.

3. The electric water heater of the high temperature resistant electricity-proof wall as claimed in claim 1, characterized in that: the water inlet of the water outlet pipe is arranged at the top of the water outlet inner pipe, and the top of the water outlet outer pipe is provided with an opening.

4. The electric water heater of the high temperature resistant electricity-proof wall as claimed in claim 3, characterized in that: the top of the water outlet outer pipe is flush with the top of the water outlet inner pipe, or the top of the water outlet outer pipe is higher than the top of the water outlet inner pipe, or the top of the water outlet outer pipe is lower than the top of the water outlet inner pipe.