CN111854168A

CN111854168A - Electric water heater

Info

Publication number: CN111854168A
Application number: CN202010698991.0A
Authority: CN
Inventors: 谢德伟; 林志亮; 梁天生
Original assignee: Anhui Weibo New Energy Heating And Water Supply Equipment Co ltd
Current assignee: Anhui Weibo New Energy Heating And Water Supply Equipment Co ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2020-10-30

Abstract

The invention discloses an electric water heater, which comprises an electric water heater main body, wherein the electric water heater main body comprises an inner container, a water outlet pipe component, a water inlet pipe and a magnesium rod component; a water storage space is arranged in the inner container, a water outlet joint and a water inlet joint are welded at the bottom of the inner container, the water outlet joint and the water inlet joint are both communicated with the water storage space, and connecting internal threads are arranged on the water outlet joint and the water inlet joint; the water outlet pipe assembly and the water inlet pipe are both provided with external thread structures, the water outlet pipe assembly is installed on the water outlet connector in a threaded mode, and the water inlet pipe is installed on the water inlet connector in a threaded mode; the magnesium rod is arranged at the water outlet of the electric water heater, the inner container does not need to be separately provided with an opening, the installation and the replacement are convenient, the joints of the inner container are reduced, the hidden danger of water leakage is greatly reduced, the reliability of a product is improved, and the product cost is further reduced.

Description

Electric water heater

Technical Field

The invention relates to the technical field of water heaters, in particular to an electric water heater.

Background

An electric water heater is a household or commercial electric appliance which can be used in bathrooms, washrooms and kitchens. The electric water heater is generally provided with a water storage inner container, and the inner container is easy to generate corrosion perforation due to long-time soaking in water environment, so that the inner container and the water heater are scrapped. The existing method for protecting the inner container generally uses a magnesium rod, and the inner container is protected from being corroded by a method of sacrificing an anode. The existing magnesium rod is usually installed on the inner container, the inner container needs to be installed through a single hole, installation is inconvenient, and water leakage risk is high.

Disclosure of Invention

The invention aims to provide an electric water heater, wherein a magnesium rod is arranged at a water outlet of the electric water heater, an inner container does not need to be separately provided with a hole, the electric water heater is convenient to install and replace, joints of the inner container are reduced, the hidden danger of water leakage is greatly reduced, the reliability of a product is improved, and the cost of the product is further reduced.

The purpose of the invention can be realized by the following technical scheme:

an electric water heater comprises an electric water heater main body, wherein the electric water heater main body comprises an inner container, a water outlet pipe assembly, a water inlet pipe and a magnesium rod assembly; a water storage space is arranged in the inner container, a water outlet joint and a water inlet joint are welded at the bottom of the inner container, the water outlet joint and the water inlet joint are both communicated with the water storage space, and connecting internal threads are arranged on the water outlet joint and the water inlet joint; the water outlet pipe assembly and the water inlet pipe are both provided with external thread structures, the water outlet pipe assembly is installed on the water outlet connector in a threaded mode, and the water inlet pipe is installed on the water inlet connector in a threaded mode;

the water outlet pipe component comprises a water outlet pipe head and a water outlet pipe body; the water outlet pipe is characterized in that a water outlet port and a metal insert are embedded in the head of the water outlet pipe, external threads are arranged at the water outlet port and connected with an external water pipe, two groups of threaded ends are arranged on the metal insert, one group of threaded ends are connected with a water outlet joint on the inner container, the other group of threaded ends are in threaded connection with a magnesium rod joint, the magnesium rod joint is connected with a magnesium rod assembly, and the magnesium rod assembly is located inside the inner container.

As a further scheme of the invention, the head part of the water outlet pipe is made of plastic materials.

As a further scheme of the invention, the head part of the water outlet pipe, the water outlet interface and the metal insert are formed in one-step injection molding mode.

As a further aspect of the invention, the magnesium rod assembly includes a magnesium rod body and a magnesium rod joint; the magnesium rod body is made of an aluminum alloy material, the magnesium rod joint and the magnesium rod body are integrally formed, an external thread is arranged on the magnesium rod joint, and the magnesium rod joint is fixedly connected with the water outlet pipe assembly through the external thread.

As a further scheme of the invention, a sealing gasket is arranged in the water outlet pipe component and is positioned between the water outlet joint and the water outlet pipe body.

The invention has the beneficial effects that: the magnesium rod is arranged at the water outlet of the electric water heater, the inner container does not need to be additionally and independently perforated, the installation and the replacement are convenient, the joints of the inner container are reduced, the hidden danger of water leakage is greatly reduced, the reliability of a product is improved, and the product cost is further reduced.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic perspective view of an electric water heater according to the present invention;

FIG. 2 is a schematic cross-sectional view of an electric water heater according to an embodiment of the present invention;

FIG. 3 is an enlarged view of part A of FIG. 2;

FIG. 4 is a schematic view of a magnesium rod assembly according to an embodiment of the present invention;

FIG. 5 is a schematic cross-sectional view of an electric water heater according to a second embodiment of the present invention;

FIG. 6 is an enlarged view of a portion B of FIG. 5;

FIG. 7 is a schematic structural view of a magnesium rod assembly according to an embodiment of the present invention;

in the figure: 10. the electric water heater main body; 11. an inner container; 111. a water storage space; 112. a water outlet joint; 113. a water inlet joint; 12. a water outlet pipe assembly; 121. a head of the water outlet pipe; 1211. a water outlet interface; 1212. a metal insert; 122. a water outlet pipe body; 13. a water inlet pipe; 14. a magnesium rod assembly; 141. a magnesium rod body; 142. a magnesium rod joint; 15. and a gasket.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1-4, an electric water heater includes an electric water heater main body 10, wherein the electric water heater main body 10 includes an inner container 11, a water outlet pipe assembly 12, a water inlet pipe 13 and a magnesium rod assembly 14; a water storage space 111 is arranged in the inner container 11, a water outlet joint 112 and a water inlet joint 113 are welded at the bottom of the inner container 11, the water outlet joint 112 and the water inlet joint 113 are both communicated with the water storage space 111, and connecting internal threads are arranged on the water outlet joint 112 and the water inlet joint 113; the water outlet pipe assembly 12 and the water inlet pipe 13 are both provided with an external thread structure, the water outlet pipe assembly 12 is installed on the water outlet joint 112 in a threaded manner, and the water inlet pipe 13 is installed on the water inlet joint 113 in a threaded manner;

the outlet pipe assembly 12 comprises an outlet pipe head 121 and an outlet pipe body 122; the water outlet pipe head 121 is embedded with a water outlet interface 1211 and a metal insert 1212, the water outlet interface 1211 is provided with external threads to be connected with an external water pipe, the metal insert 1212 is provided with two sets of threaded ends, one set of threaded ends is connected with the water outlet joint 112 on the inner container 11, the other set of threaded ends is in threaded connection with a magnesium rod joint 142, the magnesium rod joint 142 is connected with the magnesium rod assembly 14, and the magnesium rod assembly 14 is located inside the inner container 11.

The water outlet pipe head part 121 is made of plastic materials, and the water outlet pipe head part 121 made of the plastic materials is good in structural strength.

The water outlet pipe head 121, the water outlet interface 1211 and the metal insert 1212 are formed in one-step injection molding mode, and the water outlet pipe head 121, the water outlet interface 1211 and the metal insert 1212 which are formed in one-step injection molding mode have the advantages of being good in structural strength and strong in sealing performance.

The magnesium rod assembly 14 comprises a magnesium rod body 141 and a magnesium rod joint 142; magnesium rod body 141 adopts the aluminum alloy material to make, magnesium rod joint 142 and magnesium rod body 141 integrated into one piece, and be provided with the external screw thread on the magnesium rod joint 142, magnesium rod joint 142 passes through this external screw thread and outlet pipe subassembly 12 thread fixed connection, and magnesium rod body 141 adopts magnesium alloy or other similar materials to make, and the sacrificial anode protection inner bag 11 avoids being corroded, and magnesium rod joint 142 adopts corrosion-resistant metal to make, with magnesium rod body 141 integrated into one piece, ensures the corrosion resisting property of magnesium rod, improves life.

The water outlet pipe assembly 12 is internally provided with a sealing gasket 15, the sealing gasket 15 is positioned between the water outlet joint 112 and the water outlet pipe body 122, and the sealing performance of installation and connection is improved by arranging the sealing gasket 15, so that the electric water heater is prevented from water leakage.

When the magnesium rod component 14 is used, the magnesium rod component 14 is firstly installed on the water outlet pipe component 12 in one step, then the magnesium rod component 14 and the water outlet pipe component 12 are installed on the water outlet joint 112 of the inner container 11 of the electric water heater together, and the sealing gasket 15 is arranged between the water outlet pipe component 12 and the water outlet joint 112 to ensure the sealing installation and prevent the water leakage at the connection part of the electric water heater.

Example two:

the electric water heater has the same integral structure as the first embodiment, and is different from the first embodiment in that: referring to fig. 5-7, the magnesium rod connector 142 of the magnesium rod assembly 14 is assembled by first mounting the magnesium rod assembly 14 to the water outlet connector 112 of the inner container 11 and then mounting the water outlet pipe assembly 12 to the water outlet connector 112.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims

1. An electric water heater comprises an electric water heater main body (10), and is characterized in that the electric water heater main body (10) comprises an inner container (11), a water outlet pipe component (12), a water inlet pipe (13) and a magnesium rod component (14); a water storage space (111) is arranged in the inner container (11), a water outlet joint (112) and a water inlet joint (113) are welded at the bottom of the inner container (11), the water outlet joint (112) and the water inlet joint (113) are both communicated with the water storage space (111), and connecting internal threads are arranged on the water outlet joint (112) and the water inlet joint (113); the water outlet pipe assembly (12) and the water inlet pipe (13) are both provided with external thread structures, the water outlet pipe assembly (12) is installed on the water outlet joint (112) in a threaded mode, and the water inlet pipe (13) is installed on the water inlet joint (113) in a threaded mode;

The water outlet pipe assembly (12) comprises a water outlet pipe head part (121) and a water outlet pipe body (122); the water outlet pipe is characterized in that a water outlet interface (1211) and a metal insert (1212) are embedded in the head portion (121) of the water outlet pipe, an external thread is arranged at the position of the water outlet interface (1211) and connected with an external water pipe, two groups of threaded ends are arranged on the metal insert (1212), one group of threaded ends are connected with a water outlet joint (112) on the inner container (11), the other group of threaded ends are in threaded connection with a magnesium rod joint (142), the magnesium rod joint (142) is connected with a magnesium rod assembly (14), and the magnesium rod assembly (14) is located inside the inner container (11).

2. The electric water heater according to claim 1, wherein the outlet head (121) is made of plastic material.

3. The electric water heater according to claim 1, wherein the outlet pipe head (121), the outlet port (1211) and the metal insert (1212) are injection molded in one piece.

4. The electric water heater according to claim 1, wherein the magnesium rod assembly (14) includes a magnesium rod body (141) and a magnesium rod joint (142); the magnesium rod joint is characterized in that the magnesium rod body (141) is made of an aluminum alloy material, the magnesium rod joint (142) and the magnesium rod body (141) are integrally formed, an external thread is arranged on the magnesium rod joint (142), and the magnesium rod joint (142) is fixedly connected with the water outlet pipe assembly (12) through the external thread.

5. The electric water heater according to claim 1, wherein a sealing gasket (15) is arranged in the water outlet pipe assembly (12), and the sealing gasket (15) is positioned between the water outlet joint (112) and the water outlet pipe body (122).