Electricity-proof wall structure for electric water heater

Abstract

The utility model belongs to the technical field of electric water heaters, in particular to an anti-electricity wall structure for an electric water heater, which comprises a lower sealing joint and an upper sealing joint, the outer wall of the lower sealing joint is fixedly connected with a lower connector, the inner wall of the lower connector is provided with a thread groove, the outer wall of the upper sealing joint is fixedly connected with an upper connector, and the upper connector is provided with a thread groove. A threaded groove is formed in the outer wall of the upper connector, a connecting assembly is arranged between the lower sealing connector and the upper sealing connector, the lower sealing connector and the upper sealing connector are fixedly installed through the connecting assembly, and water passing openings are formed in the inner wall of the lower sealing connector and the inner wall of the upper sealing connector. According to the electric water heater, current in water can be efficiently attenuated when the electric water heater leaks electricity, it is ensured that the voltage and the current of the water outlet end are within the safety range, the risk that a user gets an electric shock is greatly reduced, and potential safety hazards of the user are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric water heater technical field, concretely is a kind of electric water heater with anti-electricity wall structure. BACKGROUND

[0002] Electric water heater is commonly used as modern family hot water supply equipment, its convenience is loved by people. However, electric water heater in long-term use process, due to internal electrical components aging, insulation damage and other reasons, there is certain risk of electric leakage. Once electric leakage occurs, the water in the liner can be electrified, when user contacts the electrified water, electric shock accident is easily caused, seriously threatens the life safety of user, so as to prevent electric leakage, usually anti-electricity wall structure is provided for protection.

[0003] The above-mentioned device in use process, some anti-electricity wall structures on the market can reduce the risk of electric leakage to some extent, but still have many shortcomings, the anti-electricity effect of part of anti-electricity wall structure is not ideal, when facing higher electric leakage voltage, it is unable to reduce outlet water end voltage to safe range, increases the security risk of people use, and the design of some anti-electricity wall structures is relatively complex, leads to higher production cost and inconvenient installation, is not conducive to being widely applied in various electric water heater products.

[0004] Need to explain in the above content is that the above content belongs to inventor's technical cognitive category, and does not necessarily constitute prior art. INVENTION CONTENT

[0005] In view of the deficiencies of prior art, the utility model provides an anti-electricity wall structure for electric water heater, solves the existing problems.

[0006] To achieve the above object, the utility model provides the following technical scheme: an anti-electricity wall structure for electric water heater, including lower sealing joint and upper sealing joint, the outer wall of lower sealing joint is fixedly connected with lower connector, and the inner wall of lower connector is provided with screw groove, the outer wall of upper sealing joint is fixedly connected with upper connector, and the outer wall of upper connector is provided with screw groove, connecting assembly is arranged between lower sealing joint and upper sealing joint, and lower sealing joint and upper sealing joint are fixedly installed through connecting assembly, the inner wall of lower sealing joint and upper sealing joint is provided with water inlet, and the inner wall of lower sealing joint and upper sealing joint is fixedly connected with annular baffle, lower sealing joint and upper sealing joint can be provided with annular groove facilitating water flow through annular baffle, and rubber pad is installed between lower sealing joint and upper sealing joint. And the outer wall of rubber pad is provided with connecting port, and the connecting port corresponds with annular baffle.

[0007] As a preferred technical scheme of the utility model, the inner wall of the lower sealing joint is fixedly connected with a mounting column, the rubber pad is matched with the mounting column, and the inner wall of the upper sealing joint is fixedly connected with a corresponding connecting column.

[0008] As a preferred technical scheme of the utility model, the connecting assembly comprises two fixed sleeves, the outer walls of the two fixed sleeves are fixedly connected with the outer walls of the lower sealing joint and the upper sealing joint respectively, a plurality of fixing grooves are formed in each of the two fixed sleeves, the plurality of fixing grooves are circumferentially arranged on the fixed sleeve, and the outer walls of the plurality of fixing grooves are provided with fixing pins which are threadedly connected with the fixing grooves.

[0009] As a preferred technical scheme of the utility model, the outer wall of the fixed sleeve is circumferentially fixedly connected with a plurality of positioning columns, and the outer wall of the other fixed sleeve is provided with positioning grooves which correspond to the plurality of positioning columns.

[0010] As a preferred technical scheme of the utility model, the annular partition plate and the annular groove are designed in a spiral shape.

[0011] As a preferred technical scheme of the utility model, the inner walls of the lower sealing joint and the upper sealing joint are provided with resistance layers. The resistance layers are made of epoxy resin matrix uniformly doped with silicon carbide particles.

[0012] As a preferred technical scheme of the utility model, the outer walls of the lower sealing joint and the upper sealing joint are provided with outer insulation layers which are made of polytetrafluoroethylene material with high insulation performance and have extremely low electrical conductivity.

[0013] Compared with the prior art, the utility model provides a kind of electric water heater with anti-electric wall structure, with the following beneficial effects:

[0014] 1、the electric water heater with anti-electric wall structure, through the annular partition plate and annular groove in the lower sealing joint and upper sealing joint set, first make water flow through annular groove in upper sealing joint and flow, and through the annular partition plate spiral design, improve its flow time in upper sealing joint, when it flows to lower sealing joint through connecting port, through the annular groove spiral pipe design in lower sealing joint, to further improve its flow time, and then the resistance of water flow is attenuated, and its current is reduced, and the synergistic effect of resistance layer and outer insulation layer set in the inner and outer walls of lower sealing joint and upper sealing joint is improved, the current in water when electric water heater is leaked is efficiently attenuated, to ensure that the voltage and current of outlet end are in safe range, greatly reduce the risk of electric shock of user, and reduce the security risk of user;

[0015] 2. The electric water heater anti-electricity wall structure, through the connecting column on the lower sealing joint and the fixing sleeve on the upper sealing joint, through the butt joint between the positioning column and the positioning groove, the two fixing sleeves are positioned, then a plurality of fixing pins are connected with a plurality of fixing grooves, the fixing between the two fixing sleeves is completed, and then the assembly between the lower sealing joint and the upper sealing joint is completed, so that the anti-electricity wall structure can be conveniently and quickly installed, and the practicality of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the utility model;

[0017] Figure 2 It is a three-dimensional overhead structure schematic view of the utility model;

[0018] Figure 3 It is a lower sealing joint structure schematic view of the utility model;

[0019] Figure 4 It is a new structure schematic view of the utility model rubber pad;

[0020] Figure 5 It is an upper sealing joint structure schematic view of the utility model.

[0021] In the drawing: 1, lower sealing joint; 2, upper sealing joint; 3, upper connecting head; 4, lower connecting head; 5, positioning groove; 6, fixing groove; 7, fixing pin; 8, positioning column; 9, rubber pad; 10, connecting port; 11, mounting column; 12, water passage; 13, annular partition; 14, annular groove; 15, connecting column; 16, fixing sleeve. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4In the embodiment: an electric water heater anti-electricity wall structure, comprising a lower sealing joint 1 and an upper sealing joint 2, the outer wall of the lower sealing joint 1 is fixedly connected with a lower connecting head 4, and the inner wall of the lower connecting head 4 is provided with a threaded groove, so that the lower sealing joint 1 is connected with an external water pipeline through the lower connecting head 4, so that the water flow after current attenuation is discharged, the outer wall of the upper sealing joint 2 is fixedly connected with an upper connecting head 3, and the outer wall of the upper connecting head 3 is provided with a threaded groove, so that the upper sealing joint 2 is connected with an electric heater water outlet pipeline through the upper connecting head 3, so that the electric water heater pipeline enters the upper sealing joint 2 through the upper connecting head 3, a connecting assembly is arranged between the lower sealing joint 1 and the upper sealing joint 2, and the lower sealing joint 1 and the upper sealing joint 2 are fixedly installed through the connecting assembly, so that the lower sealing joint 1 and the upper sealing joint 2 are installed through the connecting assembly, the staff operation is facilitated, and the installation convenience is improved, the inner walls of the lower sealing joint 1 and the upper sealing joint 2 are provided with water inlet and outlet openings 12, the water flow is facilitated to enter and flow out through the water inlet and outlet openings 12, and the inner walls of the lower sealing joint 1 and the upper sealing joint 2 are fixedly connected with annular partition plates 13, the lower sealing joint 1 and the upper sealing joint 2 are provided with annular grooves 14 through which water flows through the annular partition plates 13, the water flow is facilitated to flow along the annular grooves 14 through the annular partition plates 13 and the annular grooves 14, the flow time is improved, and the current is attenuated, so that an anti-electricity effect is achieved, and a rubber pad 9 is arranged between the lower sealing joint 1 and the upper sealing joint 2. The outer wall of the rubber pad 9 is provided with a connecting opening 10 corresponding to the annular partition plate 13, the annular partition plate 13 and the annular groove 14 between the lower sealing joint 1 and the upper sealing joint 2 are separated through the rubber pad 9, so that the water flow flows in the annular groove 14 in the lower sealing joint 1, enters the annular groove 14 in the upper sealing joint 2 through the connecting opening 10, thereby improving the flow time, reducing the water flow current, and reducing the safety hazard of the user.

[0024] Please refer to Figure 3 、 Figure 4 and Figure 5 , the inner wall of the lower sealing joint 1 is fixedly connected with a mounting column 11, and the rubber pad 9 is adapted to the mounting column 11, the inner wall of the upper sealing joint 2 is fixedly connected with a corresponding connecting column 15, the rubber pad 9 is positioned and installed through the mounting column 11, and the connecting column 15 and the mounting column 11 are connected, so that the rubber pad 9 is fixedly installed.

[0025] Please refer to Figure 1 、 Figure 2 and Figure 3The connecting assembly comprises two fixed sleeves 16, the outer walls of which are fixedly connected with the lower sealing joint 1 and the upper sealing joint 2 respectively, and each of the two fixed sleeves 16 is provided with a plurality of fixed grooves 6 arranged in a circular array on the fixed sleeve 16, and the outer wall of each of the plurality of fixed grooves 6 is provided with a fixed pin 7 threadedly connected therewith. The fixed sleeves 16 of the lower sealing joint 1 and the upper sealing joint 2 are attached to each other, and the plurality of fixed pins 7 are connected with the plurality of fixed grooves 6, so as to fix the two fixed sleeves 16 and complete the fixation between the lower sealing joint 1 and the upper sealing joint 2.

[0026] Please refer to Figure 3 and Figure 5 The outer wall of the fixed sleeve 16 is fixedly connected with a plurality of positioning columns 8 in a circular array, and the outer wall of the other fixed sleeve 16 is provided with a plurality of positioning grooves 5 corresponding to the plurality of positioning columns 8. The plurality of positioning columns 8 are connected with the plurality of positioning grooves 5, so as to facilitate the positioning and connection between the two fixed sleeves 16.

[0027] Please refer to Figure 4 and Figure 5 The annular partition plate 13 and the annular groove 14 are designed in a spiral shape. The spiral design of the annular partition plate 13 and the annular groove 14 facilitates the increase of the flow time of the water flow in the lower sealing joint 1 and the upper sealing joint 2.

[0028] Please refer to Figure 4 and Figure 5 The inner walls of the lower sealing joint 1 and the upper sealing joint 2 are provided with a resistance layer. The resistance layer is made of uniformly doped silicon carbide particles in an epoxy resin matrix. When the water flow contacts the resistance layer, the leakage current is further attenuated due to the high resistance value.

[0029] Please refer to Figure 4 and Figure 5 The outer walls of the lower sealing joint 1 and the upper sealing joint 2 are provided with an outer insulation layer made of polytetrafluoroethylene material with high insulation performance and extremely low electrical conductivity. The outer insulation layer prevents the leakage current from bypassing the resistance layer from the outside. The synergistic effect of the outer insulation layer and the resistance layer facilitates efficient attenuation of the water flow.

[0030] The working principle and use process of the utility model are as follows: the operator corresponds the rubber pad 9 with the mounting column 11 and connects, installs the rubber pad 9 between the lower sealing joint 1 and the upper sealing joint 2, to make the connecting port 10 correspond with the annular partition plate 13, ensure that the water flow can flow into the lower sealing joint 1 from the upper sealing joint 2, then correspondingly butt joint the positioning groove 5 on the upper sealing joint 2 with the positioning column 8 on the lower sealing joint 1, ensure that the lower sealing joint 1 and the upper sealing joint 2 can be attached, make the plurality of fixed pins 7 pass through the upper plurality of fixed grooves 6 of the fixed sleeve 16 respectively, complete the installation between the fixed sleeve 16 on the lower sealing joint 1 and the fixed sleeve 16 on the upper sealing joint 2, make the lower sealing joint 1 and the upper sealing joint 2 assemble, then connect the upper connecting head 3 on the upper sealing joint 2 with the water outlet pipeline of the electric water heater, make the upper connecting head 3 connect with the water outlet pipeline by rotating the upper connecting head 3, make the lower connecting head 4 connect with the external water pipeline in the same way, ensure the sealing property of the water inlet end of the water outlet end box at the same time, when the installation is completed, the water of the electric water heater enters the upper sealing joint 2 through the water inlet 12, and the spiral design of the annular partition plate 13 and the annular groove 14 in the upper sealing joint 2 makes the water flow in the annular groove 14, increases the water flow time, when the water flow flows to the connecting port 10, enters the annular partition plate 13 in the lower sealing joint 1 through the connecting port 10, and the spiral design of the annular partition plate 13 and the annular groove 14 further improves the water flow time, ensures the attenuation of the water leakage current, makes the water flow enter the water outlet pipeline through the water inlet 12, effectively realizes the reduction of the current value of the water outlet end, and it is worth noting that the thinner and longer the water pipeline is, the greater the resistance is, and the voltage divided by the resistance is equal to the current, when the voltage is unchanged, the greater the resistance is, the smaller the current is, so that when the water repeatedly flows in the lower sealing joint 1 and the upper sealing joint 2, the current of the water flow is reduced, and the effect of preventing electricity is achieved.

[0031] Finally, it should be noted that: the above only for preferred embodiments of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or make equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An electric water heater anti-electric wall structure, characterized by: The invention comprises a lower sealing joint (1) and an upper sealing joint (2), wherein the outer wall of the lower sealing joint (1) is fixedly connected to a lower connecting head (4), and the inner wall of the lower connecting head (4) is provided with a threaded groove, and the outer wall of the upper sealing joint (2) is fixedly connected to an upper connecting head (3), and the outer wall of the upper connecting head (3) is provided with a threaded groove, and a connecting assembly is provided between the lower sealing joint (1) and the upper sealing joint (2), and the lower sealing joint (1) and the upper sealing joint (2) are fixedly installed via the connecting assembly, and the lower sealing joint (1) The inner walls of the lower sealing joint (1) and the upper sealing joint (2) are both provided with a water outlet (12), and the inner walls of the lower sealing joint (1) and the upper sealing joint (2) are both fixedly connected with an annular partition (13), and the lower sealing joint (1) and the upper sealing joint (2) can be provided with an annular groove (14) for facilitating water flow through the annular partition (13), a rubber pad (9) is installed between the lower sealing joint (1) and the upper sealing joint (2), and the outer wall of the rubber pad (9) is provided with a connecting port (10), and the connecting port (10) corresponds to the annular partition (13).

2. The anti-electricity wall structure for an electric water heater according to claim 1, characterized in that: The inner wall of the lower sealing joint (1) is fixedly connected to a mounting column (11), and the rubber pad (9) is adapted to the mounting column (11), and the inner wall of the upper sealing joint (2) is fixedly connected to a corresponding connecting column (15).

3. The anti-electricity wall structure for an electric water heater according to claim 1, characterized in that: The connection assembly comprises two fixing sleeves (16), the two fixing sleeves (16) being fixedly connected to the outer walls of the lower sealing joint (1) and the upper sealing joint (2), respectively, and the two fixing sleeves (16) are each provided with a plurality of fixing grooves (6), the plurality of fixing grooves (6) being distributed in a circumferential array on the fixing sleeves (16), and the outer walls of the plurality of fixing grooves (6) are each provided with fixing pins (7) threadedly connected thereto.

4. The anti-electricity wall structure for an electric water heater according to claim 3, characterized in that: The outer wall of the fixing sleeve (16) is fixedly connected with a plurality of positioning posts (8) in a circumferential array, and the outer wall of another fixing sleeve (16) is provided with positioning grooves (5) corresponding to the plurality of positioning posts (8).

5. The anti-electricity wall structure for an electric water heater according to claim 1, characterized in that: The annular partition (13) and the annular groove (14) are both designed in a spiral shape.

6. The anti-electricity wall structure for an electric water heater according to claim 1, characterized in that: The inner walls of the lower sealing joint (1) and the upper sealing joint (2) are both provided with a resistance layer, and the resistance layer is made by uniformly doping silicon carbide particles in an epoxy resin matrix to form the resistance layer.

7. The anti-electricity wall structure for an electric water heater according to claim 1, characterized in that: The outer walls of the lower sealing joint (1) and the upper sealing joint (2) are both provided with an outer insulating layer, which is made of polytetrafluoroethylene material with high insulation performance and has extremely low electrical conductivity.

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