Electric water heater convenient to install and maintain

Abstract

The electric water heater convenient to install and maintain comprises an inner container and a heating pipe, an installation opening is formed in the circumferential side face of the inner container, a heating bowl is fixed to the installation opening, the heating pipe is installed in the heating bowl and attached to the bottom face of the heating bowl, and a fixing ring is arranged at the position, corresponding to the installation opening, of the inner container. According to the electric water heater, the heating pipe is arranged on the circumferential side face of the inner container, the axial space does not need to be occupied, installation is more convenient, the heating pipe does not make direct contact with water, later maintenance is facilitated, and the electric water heater is simple in structure, convenient to use and high in practicability. And water does not need to be discharged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of electric water heater, more specifically relates to a kind of electric water heater of convenient installation and maintenance. BACKGROUND

[0002] Electric water heater refers to the water heater that uses electricity as energy to heat.

[0003] As the Chinese patent with the publication number CN104110829A discloses an electric water heater, comprising: shell;Inner container, the inner container is arranged in the shell, the inner container has water inlet on it;Heating pipe, the heating pipe is arranged in the inner container;And ultraviolet sterilization lamp, the ultraviolet sterilization lamp is arranged in the inner container.

[0004] The heating pipe in the above patent is inserted into the inside from the axial side of the inner container, usually the electric water heater is installed in narrow bathroom, and the space on both sides is small, inconvenient to repair, and when repairing, the flange and heating pipe must be removed after the water in the inner container is emptied, so the installation and maintenance are not convenient. UTILITY MODEL CONTENT

[0005] In view of the deficiencies of the prior art, the utility model provides a kind of heating pipe is arranged at the circumferential side of inner container, without occupying axial space, installation is more convenient, and heating pipe is not directly contacted with water, it is convenient to repair later, without water.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of electric water heater of convenient installation and maintenance, including inner container and heating pipe, the circumferential side of the inner container is provided with installation port, installation port is fixed with heating bowl, the heating pipe is loaded in heating bowl, and heating pipe is attached to the bottom surface of heating bowl, the inner container is provided with fixed ring corresponding installation port, the circumferential side of the fixed ring is provided with a plurality of positioning clamping grooves, the circumferential side of the heating bowl is provided with a plurality of positioning tongues matched with positioning clamping groove.

[0007] Further, sealing ring is arranged between the heating bowl and the fixed ring.

[0008] Further, heat-conducting block is arranged in the heating bowl, the heat-conducting block wraps heating pipe, and the heat-conducting block is attached to the heating bowl.

[0009] Further, the side, away from the bottom of the heating bowl, of the heat-conducting block is provided with heat insulation plate.

[0010] Further, the installation port, heating bowl and heating pipe are provided with multiple.

[0011] Compared with the prior art, the electric water heater convenient to install and maintain has the beneficial effects that: a plurality of heating bowls are arranged on the side surface of the water storage bladder, the mounting opening of the water storage bladder is directly sealed, contact heating is conducted through the heating pipes, when maintenance is conducted, the corresponding heating pipe can be directly taken down without water discharge, the heating pipe is convenient to take and place due to being located on the circumferential side surface, and the installation of the whole water heater is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is a perspective view of the utility model;

[0013] Figure 2 is a front view of the utility model;

[0014] Figure 3 is Figure 2 is a sectional view at A-A of the utility model;

[0015] Figure 4 is Figure 3 is an enlarged view at B of the utility model;

[0016] Figure 5 is a perspective view when the heat-conducting block is removed from the heating bowl.

[0017] The drawings show that: 1, inner bladder; 11, hanging rack; 2, heating structure; 21, fixed ring; 211, mounting opening; 22, heating bowl; 221, positioning tongue; 222, bolt; 23, sealing ring; 24, heating block; 241, mounting through hole; 25, heating pipe. DETAILED DESCRIPTION

[0018] Reference Figures 1 to 5 Further description is made to the embodiment of the electric water heater convenient to install and maintain.

[0019] In the description of the utility model, it needs to be explained that for the orientation words, such as the terms "center", "transverse (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation and positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and is not indicative or suggestive of the device or element indicated must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific protection scope of the utility model.

[0020] In addition, if the terms "first", "second" are used only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the "first", "second" features defined can explicitly or implicitly include one or more features, and in the description of the utility model, the meaning of "several", "several" is two or more than two, unless otherwise explicitly specified.

[0021] An electric water heater convenient to install and maintain, comprising an inner container 1 and a heating pipe 25, the circumferential side of the inner container 1 is provided with a mounting port 211, the heating bowl 22 is fixed at the mounting port 211, the heating pipe 25 is installed in the heating bowl 22, and the heating pipe 25 is attached to the bottom surface of the heating bowl 22, the inner container 1 is provided with a fixing ring 21 corresponding to the mounting port 211, a plurality of positioning clamping grooves are arranged on the circumferential side of the fixing ring 21, and a plurality of positioning tongues 221 matched with the positioning clamping grooves are arranged on the circumferential side of the heating bowl 22.

[0022] The bottom of the inner container 1 has a water inlet pipe joint box and a water outlet pipe joint.

[0023] One side of the inner container 1 with the mounting port 211 on the circumferential side is the front, and the back of the electric water heater has a hanging rack 11 for hanging on the wall, in the embodiment, the heating bowl 22 is inclined downward and close to the bottom of the inner container 1, and the scale generated in the inner container 1 can be partially along the surface of the heating bowl 22 to avoid excessive accumulation and affect the heating efficiency.

[0024] When the electric water heater is suspended and installed, the components on the front basically do not occupy additional installation space, and there is enough space for disassembly and assembly during maintenance.

[0025] The heating pipe 25 is an electric heating pipe 25, which is heated by electricity and then conducts heat to the water in the inner container 1 through the heating bowl 22, and during maintenance, the water does not need to be discharged, and the electric heating pipe 25 can be directly disassembled.

[0026] In the embodiment, the fixing ring 21 and the heating bowl 22 both have steps, and the steps of the two are in contact and extruded when they are combined.

[0027] The fixing ring 21 is welded to the inner container 1, wherein during assembly, the heating bowl 22 is directly inserted into the inner container 1 from the fixing ring 21, and after the positioning tongue 221 reaches the positioning clamping groove, the positioning tongue 221 is bent outward and clamped into the positioning clamping groove to fix the heating bowl 22 and the fixing ring 21.

[0028] Preferably, a sealing ring 23 is arranged between the heating bowl 22 and the fixing ring 21.

[0029] Specific sealing ring 23 is located between the heating bowl 22 and the fixed ring 21 step, sealing ring 23 for the heating bowl 22 and fixed ring 21 between the sealing, to avoid the inner container 1 here leaks, while the sealing ring 23 also has the effect of heat insulation, so that the heating bowl 22 heat can directly act on the water inside the inner container 1.

[0030] The preferred heating bowl of the embodiment is provided with a heat-conducting block 24, and the heat-conducting block 24 wraps the heating pipe 25, and the heat-conducting block 24 is attached to the heating bowl 22.

[0031] The heat-conducting block 24 is preferably an aluminum block, which is wrapped on the entire heating pipe 25 in a hot melting manner, so that the heating pipe 25 and the heat-conducting block 24 form an integral whole; the heat-conducting block 24 has a mounting through hole 241 in the middle, and the heating bowl 22 has a bolt 222, and the heat-conducting block 24 is fixed on the heating bowl 22 through the bolt 222 and a nut, so that the heat-conducting block 24 can increase the heating area of the heating bowl, and facilitate the disassembly and assembly of the heating pipe 25.

[0032] The heat-conducting block 24 is preferably provided with a heat insulation plate away from the bottom side of the heating bowl 22, which can reduce the direct loss of heat and increase the heat utilization rate.

[0033] The mounting port 211, the heating bowl 22 and the heating pipe 25 are preferably provided with a plurality of, Figure 1 Three groups of heating structures 2 are shown in the figure, and the heating structure 2 comprises a heating bowl 22 and a heating pipe 25; the three groups of heating structures 2 are uniformly distributed along the axial direction, so that the water in the inner container 1 can be heated more quickly and uniformly during heating, and the hot water is as uniform as possible, and when maintenance and repair are carried out, one or two heating pipes 25 are removed without affecting the work of the other heating pipes 25, so that the water heater can remain in working condition without shutdown.

[0034] The above is only the preferred embodiment of the present application, and the protection scope of the present application is not limited to the above-mentioned embodiments. Any technical solution falling within the scope of the present application shall be considered as falling within the protection scope of the present application. It should be noted that, for ordinary skilled persons in the technical field, some improvements and decorations without departing from the principle of the present application can also be considered as falling within the protection scope of the present application.

Claims

1. An electric water heater that is easy to install and maintain, comprising an inner tank and a heating element, characterized in that: The inner liner has an installation port on its circumferential side, and a heating bowl is fixed at the installation port. The heating tube is installed inside the heating bowl and is attached to the bottom surface of the heating bowl. The inner liner has a fixing ring corresponding to the installation port. The fixing ring has several positioning slots on its circumferential side, and the heating bowl has several positioning tongues that cooperate with the positioning slots on its circumferential side.

2. The electric water heater that is easy to install and maintain according to claim 1, characterized in that: A sealing ring is provided between the heating bowl and the fixing ring.

3. The electric water heater that is easy to install and maintain according to claim 2, characterized in that: A heat-conducting block is provided inside the heating bowl, which wraps around the heating tube and is attached to the heating bowl.

4. The electric water heater that is easy to install and maintain according to claim 3, characterized in that: A heat insulation plate is provided on the side of the heat-conducting block away from the bottom of the heating bowl.

5. The electric water heater that is easy to install and maintain according to claim 4, characterized in that: The mounting port, heating bowl, and heating tube are all provided in multiple ways.

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