CN220380001U - Anti-electricity wall structure and electric water heater - Google Patents

Abstract

The utility model discloses an anti-electricity wall structure and an electric water heater, wherein the anti-electricity wall structure comprises an anti-electricity wall connector and a water pipe, the anti-electricity wall connector comprises a connector main body, a first connector and a second connector, the connector main body is provided with a water passage, and the end part of the water pipe is fixed at the first end of the water passage; the first connector is inlaid at the first end of the water passage, and the outer wall surface of the first connector is provided with a first plane which is used for limiting the rotation of the first connector around the axis of the first connector; the second connector is inlaid at the second end of the water passage, and the outer wall surface of the second connector is provided with a second plane which is used for limiting the second connector to rotate around the axis of the second connector. According to the electricity-proof wall structure provided by the embodiment of the utility model, the first plane and the second plane are arranged on the electricity-proof wall structure, the first plane is used for limiting the rotation of the first joint around the axis of the first joint, and the second plane is used for limiting the rotation of the second joint around the axis of the second joint, so that the integral connection strength among the first joint, the second joint and the joint main body can be improved.

Description

Anti-electricity wall structure and electric water heater

Technical Field

The utility model relates to the technical field of electric water heaters, in particular to an electricity-proof wall structure and an electric water heater.

Background

In the related art, the electricity-proof wall is used as one of important parts of the electric water heater, and can obviously reduce the current carried in the waterway of the electric water heater when the electric water heater leaks electricity due to faults, thereby playing a role in protecting the personal safety of a user. In addition, adopt threaded connection between the working of plastics and the working of plastics of electricity-proof wall joint, threaded connection easily causes the working of plastics and the joint strength of plastic body not enough, causes working of plastics and working of plastics to twist reverse and become invalid easily when the installation.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present utility model is to provide an electricity-proof wall structure, in which a first plane can limit the rotation of a first joint around an axis thereof, and the first plane can play a role of tensile resistance and torsion resistance; the second plane can restrict the second joint to rotate around the axis of the second joint, and the second plane can play the functions of tensile resistance and torsion resistance, so that the integral connection strength among the first joint, the second joint and the joint main body can be improved.

The utility model also provides an electric water heater with the electricity-proof wall structure.

According to an embodiment of the first aspect of the present utility model, the structure of the electricity-proof wall comprises an electricity-proof wall joint and a water pipe, wherein the electricity-proof wall joint comprises: the connector comprises a connector body, a connecting rod and a connecting rod, wherein the connector body is provided with a water passage, and the end part of the water pipe is fixed at the first end of the water passage; the first connector is inlaid at the first end of the water passage, and the outer wall surface of the first connector is provided with a first plane which is used for limiting the first connector to rotate around the axis of the first connector; the second connector is inlaid at the second end of the water passage, and the outer wall surface of the second connector is provided with a second plane which is used for limiting the second connector to rotate around the axis of the second connector.

According to the electricity-proof wall structure provided by the embodiment of the utility model, the first plane is arranged on the outer wall surface of the first joint and is used for limiting the first joint to rotate around the axis of the first joint, and the first plane can play the roles of tensile resistance and torsion resistance and can prevent the first joint from rotating around the axis of the first joint; the second plane is arranged on the outer wall surface of the second connector and used for limiting the second connector to rotate around the axis of the second connector, the second plane can play the roles of tensile resistance and torsion resistance, the second connector can be prevented from rotating around the axis of the second connector, and then the integral connection strength among the first connector, the second connector and the connector main body can be improved.

According to some embodiments of the utility model, the first plane has a plurality of; the plurality of first planes are connected end to end around the axis of the first joint, and in a projection plane perpendicular to the axis of the first joint, the projection of the outer periphery of the first joint is polygonal.

According to some embodiments of the utility model, the second plane has a plurality of; the plurality of second planes are connected end to end around the axis of the second joint, and in a projection plane perpendicular to the axis of the second joint, the projection of the outer periphery of the second joint is polygonal.

According to some embodiments of the utility model, the outer wall surface of the first joint is provided with at least two first water sealing grooves, the first water sealing grooves are annular around the axis of the first joint, and two adjacent first water sealing grooves are spaced along the axis direction of the first joint; the outer wall surface of the second connector is provided with at least two second water sealing grooves, each second water sealing groove is annular around the axis of the second connector, and two adjacent second water sealing grooves are spaced along the axis direction of the second connector.

According to some embodiments of the utility model, the electricity-proof wall joint further comprises a gasket sleeved outside the water pipe, wherein an inner wall of the first end of the water passage is provided with an assembling groove, the first joint is inlaid on a side wall of the assembling groove, a bottom wall of the assembling groove is provided with a sealing groove, and the gasket is arranged in the sealing groove and extends to the inner side of the first joint partially so as to be sealed among the water pipe, the first joint and the joint main body.

According to some embodiments of the utility model, the electricity-proof wall joint further comprises a fixing sleeve, the fixing sleeve is sleeved between the first joint and the water pipe, the lower end of the fixing sleeve is abutted with the sealing gasket, and the upper end of the fixing sleeve extends out of the water passage.

According to some embodiments of the utility model, the second end of the joint body has an inner collar body and an outer collar body, the outer collar body surrounding the outer collar body, the second joint being located between the inner collar body and the outer collar body, wherein an end of the inner collar body remote from the first joint extends to an end of the second joint remote from the first joint.

According to some embodiments of the utility model, the water pipe is provided with a reinforcing structure, the reinforcing structure comprises a metal pipe, and the metal pipe is sleeved outside the water pipe or is injection-molded in the pipe wall of the water pipe; the metal pipe is an aluminum pipe, a steel pipe, a net pipe or a hollow pipe.

According to some embodiments of the utility model, the water pipe is provided with a reinforcing structure, the reinforcing structure comprises metal ribs extending along the length direction of the water pipe, and the metal ribs are injection-molded in the pipe wall of the water pipe; the metal ribs are arranged in a plurality, and the metal ribs are arranged at intervals along the circumferential direction.

An electric water heater according to an embodiment of the second aspect of the present utility model includes the electricity-proof wall structure according to the embodiment of the first aspect of the present utility model.

According to the electric water heater provided by the embodiment of the utility model, through the arrangement of the electricity-proof wall structure, the first plane can limit the rotation of the first joint around the axis of the first joint, and the first plane can play roles of tensile resistance and torsion resistance; the second plane can restrict the second joint to rotate around the axis of the second joint, and the second plane can play the functions of tensile resistance and torsion resistance, so that the integral connection strength among the first joint, the second joint and the joint main body can be improved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a cross-sectional view of a wall structure according to some embodiments of the utility model;

FIG. 2 is an exploded view of the structure of the electricity protection wall shown in FIG. 1;

FIG. 3 is a schematic view of the water tube shown in FIG. 1;

FIG. 4 is a top view of the water tube shown in FIG. 3;

FIG. 5 is a schematic view of the reinforcing structure shown in FIG. 3;

FIG. 6 is a cross-sectional view of a wall structure according to further embodiments of the present utility model;

FIG. 7 is an exploded view of the structure of the electricity preventing wall shown in FIG. 6;

FIG. 8 is a schematic view of the reinforcing structure shown in FIG. 7;

FIG. 9 is a schematic illustration of a reinforcing structure according to some embodiments of the present utility model;

FIG. 10 is a cross-sectional view of a wall structure according to still further embodiments of the present utility model;

FIG. 11 is an exploded view of the structure of the electricity preventing wall shown in FIG. 10;

FIG. 12 is a schematic view of the water tube shown in FIG. 10;

FIG. 13 is a top view of the water tube shown in FIG. 10;

FIG. 14 is a schematic view of a reinforcing structure according to further embodiments of the present utility model;

FIG. 15 is a perspective view of a first joint according to some embodiments of the present utility model;

FIG. 16 is a cross-sectional view of the first joint shown in FIG. 15;

FIG. 17 is a perspective view of a second joint according to some embodiments of the present utility model;

fig. 18 is a cross-sectional view of the second joint shown in fig. 17.

Reference numerals:

100. an electricity-proof wall structure;

10. an anti-electric wall joint;

20. a water pipe; 21. a reinforcing structure; 22. a metal tube; 221. a connecting rib; 23. metal ribs; 24. a water flow channel;

30. a joint body; 31. a water passage; 311. a first clamping groove; 3111. a third plane; 312. a first sealing protrusion; 313. a second sealing protrusion; 32. an assembly groove; 33. sealing grooves; 34. an inner collar body; 35. an outer collar body;

40. a first joint; 41. the first clamping boss; 411. a first plane; 42. a first water sealing groove; 43. a first channel;

50. a second joint; 51. the second clamping boss; 511. a second plane; 52. a second water sealing groove; 53. a second channel;

61. a sealing gasket; 62. and (5) fixing the sleeve.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

An electricity preventing wall structure 100 according to an embodiment of the present utility model is described below with reference to fig. 1-18.

Referring to fig. 1 to 18, the electricity preventing wall structure 100 includes an electricity preventing wall joint 10 and a water pipe 20, the electricity preventing wall joint 10 includes a joint body 30, a first joint 40 and a second joint 50, the joint body 30 has a water passage 31, an end of the water pipe 20 is fixed at a first end of the water passage 31, a water passage 24 is provided in the water pipe 20, and the water passage 24 communicates with the water passage 31. For example, the material of the connector body 30 may be PPR material, and the water pipe 20 and the connector body 30 may be fixedly connected by hot-melt welding or spin-melt welding.

The first connector 40 is embedded in the first end of the water passage 31, that is, the first connector 40 is embedded in the connector body 30, and the first connector 40 is fixedly connected with the connector body 30. For example, the material of the first joint 40 may be stainless steel, or may be carbon steel with a plating layer, so as to increase the hardness of the first joint 40 and reduce the cost of the first joint 40; the joint body 30 may be injection molded onto the outer wall surface of the first joint 40.

The first connector 40 forms a first channel 43, and the end of the water tube 20 is located within the first channel 43. The outer wall surface of the first connector 40 has a first flat surface 411, and the first flat surface 411 is used to restrict the first connector 40 from rotating around its axis, so that the first connector 40 can be prevented from rotating around its axis. The first plane 411 is disposed on the outer wall surface of the first connector 40, and the first plane 411 can play a role in tensile resistance and torsion resistance, so that the first connector 40 can be prevented from rotating around the axis thereof, and the overall connection strength of the first connector 40 and the connector main body 30 is improved.

For example, the wall surface of the water passage 31 of the joint main body 30 has a third plane 3111 adapted to the first plane 411, the first plane 411 abuts against the third plane 3111, and the first joint 40 is restricted from rotating about its axis by the engagement of the first plane 411 and the third plane 3111.

The second connector 50 is embedded in the second end of the water passage 31, that is, the second connector 50 is embedded in the connector body 30, and the second connector 50 is fixedly connected with the connector body 30. For example, the first joint 40 may be made of stainless steel or may be made of carbon steel with a plating layer, thereby increasing the hardness of the second joint 50 and reducing the cost of the second joint 50; the joint body 30 may be injection molded to the outer wall surface of the second joint 50. The second connector 50 forms a second passage 53, and the second passage 53 communicates with the water passage 31 of the connector body 30.

The outer wall surface of the second joint 50 has a second plane 511, and the second plane 511 is used to restrict the second joint 50 from rotating about its axis so as to prevent the second joint 50 from rotating about its axis. The second plane 511 is disposed on the outer wall surface of the second connector 50, and the second plane 511 can play a role of tensile resistance and torsion resistance, prevent the second connector 50 from rotating around its axis, and improve the overall connection strength of the second connector 50 and the connector body 30.

For example, the wall surface of the water passage 31 of the joint main body 30 has a fourth plane surface which is matched with the second plane surface 511, the second plane surface 511 is abutted against the fourth plane surface, and the second joint 50 can be restricted from rotating around the axis thereof by the cooperation of the second plane surface 511 and the fourth plane surface.

According to the electricity-proof wall structure 100 of the embodiment of the utility model, the first plane 411 is arranged on the outer wall surface of the first connector 40, the first plane 411 is used for limiting the rotation of the first connector 40 around the axis thereof, and the first plane 411 can play the roles of tensile resistance and torsion resistance and can prevent the rotation of the first connector 40 around the axis thereof; the second plane 511 is disposed on the outer wall surface of the second connector 50, where the second plane 511 is used to limit the rotation of the second connector 50 around its axis, and the second plane 511 can play a role of tensile resistance and torsion resistance, and can prevent the rotation of the second connector 50 around its axis, so as to improve the overall connection strength between the first connector 40, the second connector 50 and the connector body 30.

According to some embodiments of the present utility model, referring to fig. 1-2, 6-7, and 10-11, the first plane 411 has a plurality of first planes 411, and the plurality of first planes 411 may further improve the functions of tensile and torsion resistance, and may further prevent the first joint 40 from rotating about its axis.

According to some embodiments of the present utility model, referring to fig. 1-2, 6-7, and 10-11, the plurality of first planes 411 are connected end to end around the axis of the first joint 40, and the projection of the outer periphery of the first joint 40 is polygonal in the projection plane perpendicular to the axis of the first joint 40, so that the processing technology of the first joint 40 is simple, the processing cost of the first joint 40 is effectively reduced, and the first joint 40 is further prevented from rotating around the axis thereof.

For example, in a projection plane perpendicular to the axis of the first joint 40, the projection of the outer periphery of the first joint 40 may be quadrangular, hexagonal or octagonal, and may be regular quadrangular, regular hexagonal or regular octagonal.

According to some embodiments of the present utility model, referring to fig. 1-2, 6-7, and 10-11, the second plane 511 has a plurality of first planes 411, which can further improve the functions of tensile and torsion resistance, and can further prevent the second connector 50 from rotating about its axis.

According to some embodiments of the present utility model, referring to fig. 1-2, 6-7, and 10-11, the plurality of second planes 511 are connected end to end around the axis of the second joint 50, and the projection of the outer periphery of the second joint 50 is polygonal in the projection plane perpendicular to the axis of the second joint 50, so that the processing technology of the second joint 50 is simple, the processing cost of the second joint 50 is effectively reduced, and the second joint 50 can be further prevented from rotating around the axis thereof.

For example, in a projection plane perpendicular to the axis of the second joint 50, the projection of the outer periphery of the second joint 50 may be quadrangular, hexagonal or octagonal, and may be regular quadrangular, regular hexagonal or regular octagonal.

According to some embodiments of the present utility model, referring to fig. 15 to 16, at least two first water sealing grooves 42 are provided on the outer wall surface of the first joint 40, and two first water sealing grooves 42 may be provided on the outer wall surface of the first joint 40, or two or more first water sealing grooves 42 may be provided on the outer wall surface of the first joint 40. The first water sealing grooves 42 are annular around the axis of the first joint 40, two adjacent first water sealing grooves 42 are spaced along the axis direction of the first joint 40, and the first water sealing grooves 42 can play roles in sealing water and preventing seepage.

Under the influence of temperature environment changes, the joint main body 30 can slightly deform, so that the sealing between the joint main body 30 and the first joint 40 is not tight, water can possibly leak out from between the joint main body 30 and the first joint 40, and the first water sealing groove 42 can prevent water from leaking out from between the joint main body 30 and the first joint 40.

In some specific examples, referring to fig. 1-2, 6-7, 10-11, and 15-16, a plurality of first clamping bosses 41 are arranged on the first joint 40 at intervals, and a first water sealing groove 42 is defined between every two of the plurality of first clamping bosses 41. The plurality of first planes 411 are connected end to end around the axis of the first joint 40 to form the outer wall surface of the first clamping boss 41; the projection of the first engagement boss 41 is polygonal in a projection plane perpendicular to the axis of the first joint 40. The joint main body 30 may be injection-molded to an outer wall surface of the first joint 40, and a plurality of first sealing protrusions 312 are formed on the joint main body 30 to be engaged with the first water sealing groove 42, the first sealing protrusions 312 being accommodated in the first water sealing groove 42.

Under the influence of temperature environment changes, the joint main body 30 is the PPR material, and the joint main body 30 can take place slight deformation, leads to sealing between first sealing protrusion 312 and the first water sealing groove 42 not tight, and water can leak between first sealing protrusion 312 and the first water sealing groove 42, and a plurality of first sealing protrusions 312 cooperate with a plurality of first water sealing grooves 42, can prevent effectively that water from leaking between first sealing protrusion 312 and the first water sealing groove 42.

The joint body 30 is formed with a plurality of first clamping grooves 311 which are matched with the plurality of first clamping bosses 41, the plurality of first sealing protrusions 312 are defined between every two of the first clamping grooves 311, and a plurality of third planes 3111 are connected end to end around the axis of the joint body 30 to form groove surfaces of the first clamping grooves 311. Under the cooperation of the first clamping boss 41 and the first clamping groove 311, not only the first connector 40 can be prevented from rotating around the axis thereof, but also the first connector 40 can be prevented from falling off from the connector main body 30, and the connection stability of the first connector 40 and the connector main body 30 can be ensured.

According to some embodiments of the present utility model, referring to fig. 17 to 18, at least two second water sealing grooves 52 are provided on the outer wall surface of the second joint 50, and two second water sealing grooves 52 may be provided on the outer wall surface of the second joint 50, or two or more second water sealing grooves 52 may be provided on the outer wall surface of the second joint 50. The second water sealing grooves 52 are annular around the axis of the second joint 50, two adjacent second water sealing grooves 52 are spaced along the axis direction of the second joint 50, and the second water sealing grooves 52 can play roles in sealing water and preventing seepage.

Under the influence of the temperature environment change, the joint main body 30 may slightly deform, so that the sealing between the joint main body 30 and the second joint 50 is not tight, water may leak out from between the joint main body 30 and the second joint 50, and the second water sealing groove 52 may prevent water from leaking out from between the joint main body 30 and the second joint 50.

In some specific examples, referring to fig. 1-2, 6-7, 10-11, and 15-16, a plurality of second clamping bosses 51 are arranged on the second joint 50 at intervals, and a plurality of second water sealing grooves 52 are defined between every two of the plurality of second clamping bosses 51. The plurality of second planes 511 are connected end to end around the axis of the second connector 50 to form an outer wall surface of the second clamping boss 51; in a projection plane perpendicular to the axis of the second joint 50, the projection of the second engagement boss 51 is polygonal. The joint body 30 may be injection-molded to an outer wall surface of the second joint 50, and a plurality of second sealing protrusions 313 are formed on the joint body 30 to be engaged with the second water sealing groove 52, the second sealing protrusions 313 being accommodated in the second water sealing groove 52.

Under the influence of temperature environment change, the joint main body 30 is PPR material, and the joint main body 30 can slightly deform, so that the second sealing protrusion 313 and the second water sealing groove 52 are not tightly sealed, water possibly leaks out from between the second sealing protrusion 313 and the second water sealing groove 52, and the second sealing protrusions 313 and the second water sealing grooves 52 are matched first, so that water can be effectively prevented from leaking out from between the second sealing protrusion 313 and the second water sealing groove 52.

A plurality of second clamping grooves matched with the second clamping bosses 51 are formed on the joint main body 30, the second clamping grooves are defined between the second sealing bosses 313, and the fourth planes are connected end to end around the axis of the joint main body 30 to form groove surfaces of the second clamping grooves. Under the cooperation of the second clamping boss 51 and the second clamping groove, not only the second connector 50 can be prevented from rotating around the axis of the second connector, but also the second connector 50 can be prevented from falling off from the connector main body 30, and the connection stability of the second connector 50 and the connector main body 30 can be ensured.

According to some embodiments of the present utility model, referring to fig. 1-2, 6-7, and 10-11, the anti-electricity wall joint 10 further includes a gasket 61, the gasket 61 is sleeved outside the water pipe 20, wherein an inner wall of the first end of the water passage 31 is provided with a fitting groove 32, and the first joint 40 is embedded on a side wall of the fitting groove 32. The bottom wall of the fitting groove 32 has a sealing groove 33, a gasket 61 is provided in the sealing groove 33, and a portion of the gasket 61 extends to the inside of the first joint 40 to seal between the water pipe 20, the first joint 40 and the joint body 30, preventing water from leaking out from between the water pipe 20, the joint body 30 and the first joint 40.

According to some embodiments of the present utility model, referring to fig. 1-2, 6-7, and 10-11, the anti-electricity wall joint 10 further includes a fixing sleeve 62, the fixing sleeve 62 is sleeved between the first joint 40 and the water pipe 20, for example, the fixing sleeve 62 is sleeved outside the water pipe 20 and abuts against the water pipe 20. The lower end of the fixing sleeve 62 abuts against the gasket 61, and the upper end of the fixing sleeve 62 extends out of the water passage 31. Threads are formed on the inner wall surface of the first connector 40, and the first connector 40 can be connected with the inner container of the electric water heater through the threads, so that the electric water heater can be fixed with the electric wall structure 100. The fixing sleeve 62 is arranged on the outer side of the water pipe 20, so that the function of buffering the opening of the inner liner of the electric water heater can be achieved, and the sealing gasket 61 is prevented from being extruded by the opening of the inner liner of the electric water heater, so that the sealing gasket 61 is deformed, and the sealing function of the sealing gasket 61 is prevented from being invalid.

According to some embodiments of the present utility model, referring to fig. 1-2, 6-7, and 10-11, the second end of the joint body 30 has an inner collar body 34 and an outer collar body 35, the outer collar body 35 surrounding the outer collar body 34, and the second joint 50 is located between the inner collar body 34 and the outer collar body 35, wherein the end of the inner collar body 34 remote from the first joint 40 extends to the end of the second joint 50 remote from the first joint 40.

Threads are formed at an end of the second connector 50 remote from the second plane 511, and the second connector 50 can be connected to an external water pipe by using the threads, so that the electricity preventing wall connector 10 can be connected to the external water pipe. The water in the outer water pipe enters the electricity-proof wall joint 10, the end part of the inner ring pipe body 34 far away from the first joint 40 extends to the end part of the second joint 50 far away from the first joint 40, so that the contact between the water and the second joint 50 can be avoided, the corrosion of the second joint 50 by the water can be avoided, the service life of the second joint 50 can be prolonged, and the service life of the electricity-proof wall joint 10 can be prolonged.

According to some embodiments of the present utility model, referring to fig. 6 to 14, the water pipe 20 is provided with the reinforcing structure 21, the reinforcing structure 21 includes the metal pipe 22, and the metal pipe 22 is sleeved outside the water pipe 20, so that the processing technology is simple; or is injection molded in the pipe wall of the water pipe 20, so that the connection stability of the metal pipe 22 and the water pipe 20 can be ensured, the metal pipe 22 can be prevented from being contacted with water in the water pipe 20, and the metal pipe 22 can be prevented from being corroded by the water. The reinforcing structure 21 can play a role in reinforcing and protecting the water pipe 20, and can improve the service life of the water pipe 20.

According to some embodiments of the present utility model, referring to fig. 1-14, the metal tube 22 is an aluminum tube or a steel tube, so that the cost of the metal tube 22 is low, the cost of the water tube 20 can be reduced, and thus the cost of the electricity preventing wall structure 100 can be reduced.

According to some embodiments of the present utility model, referring to fig. 1-18, the metal tube 22 is a mesh tube, or hollow tube, which not only can ensure the strength of the water tube 20, but also can reduce the cost of the water tube 20.

For example, a plurality of connection ribs 221 are provided at intervals in the length direction of the metal pipe 22 for connecting and fixing the metal pipe 22 in the circumferential direction of the metal pipe 22 to increase the connection strength of the metal pipe 22, so that the metal pipe 22 is better reinforced and supports the water pipe 20.

According to some embodiments of the present utility model, referring to fig. 1 to 5, the water pipe 20 is provided with a reinforcing structure 21, the reinforcing structure 21 includes metal ribs 23, and the metal ribs 23 extend along the length direction of the water pipe 20, so as to reinforce and protect the water pipe 20, and improve the service life of the water pipe 20. The metal ribs 23 are injection molded in the pipe wall of the water pipe 20, so that the connection stability of the metal ribs 23 and the water pipe 20 can be ensured, the contact between the metal ribs 23 and water in the water pipe 20 can be avoided, and the corrosion of the metal ribs 23 by water can be avoided.

According to some embodiments of the present utility model, referring to fig. 1-5, the metal ribs 23 are provided in plurality, and the plurality of metal ribs 23 are arranged at intervals along the circumferential direction, so that the metal ribs 23 can better reinforce the water pipe 20, the number of the metal ribs 23 can be saved, and the cost of the water pipe 20 can be reduced.

An electric water heater according to an embodiment of the second aspect of the present utility model includes the electricity preventing wall structure 100 according to the above-described embodiment of the first aspect of the present utility model.

According to the electric water heater of the embodiment of the utility model, by arranging the electric wall structure 100, the first plane 411 can limit the first connector 40 to rotate around the axis thereof, and the first plane 411 can play a role in tensile resistance and torsion resistance; the second plane 511 can limit the rotation of the second connector 50 around the axis thereof, and the second plane 511 can play a role of tensile resistance and torsion resistance, thereby improving the overall connection strength between the first connector 40, the second connector 50 and the connector body 30.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present specification, reference to the terms "some embodiments," "optionally," "further," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. An electricity-proof wall structure, its characterized in that includes electricity-proof wall joint and water pipe, electricity-proof wall joint includes:

the connector comprises a connector body, a connecting rod and a connecting rod, wherein the connector body is provided with a water passage, and the end part of the water pipe is fixed at the first end of the water passage;

the first connector is inlaid at the first end of the water passage, and the outer wall surface of the first connector is provided with a first plane which is used for limiting the first connector to rotate around the axis of the first connector;

the second connector is inlaid at the second end of the water passage, and the outer wall surface of the second connector is provided with a second plane which is used for limiting the second connector to rotate around the axis of the second connector.

2. The structure of claim 1, wherein the first plane has a plurality of; the plurality of first planes are connected end to end around the axis of the first joint, and in a projection plane perpendicular to the axis of the first joint, the projection of the outer periphery of the first joint is polygonal.

3. The structure of claim 1, wherein the second plane has a plurality of sides; the plurality of second planes are connected end to end around the axis of the second joint, and in a projection plane perpendicular to the axis of the second joint, the projection of the outer periphery of the second joint is polygonal.

4. The structure of claim 1, wherein the outer wall surface of the first joint is provided with at least two first water sealing grooves, the first water sealing grooves are ring-shaped around the axis of the first joint, and two adjacent first water sealing grooves are spaced along the axis direction of the first joint; the outer wall surface of the second connector is provided with at least two second water sealing grooves, each second water sealing groove is annular around the axis of the second connector, and two adjacent second water sealing grooves are spaced along the axis direction of the second connector.

5. The structure of claim 1, wherein the connector further comprises a gasket, the gasket is sleeved outside the water pipe, wherein the inner wall of the first end of the water passage has an assembly groove, the first connector is embedded on the side wall of the assembly groove, the bottom wall of the assembly groove has a sealing groove, and the gasket is disposed in the sealing groove and extends to the inner side of the first connector partially to seal between the water pipe, the first connector and the connector body.

6. The structure of claim 5, further comprising a retaining sleeve disposed between the first connector and the water pipe, the lower end of the retaining sleeve abutting the gasket, and the upper end of the retaining sleeve extending out of the water passage.

7. The structure of claim 1, wherein the second end of the connector body has an inner collar body and an outer collar body, the outer collar body surrounding the outer collar body, the second connector being located between the inner collar body and the outer collar body, wherein an end of the inner collar body remote from the first connector extends to an end of the second connector remote from the first connector.

8. The structure of claim 1, wherein the water pipe is provided with a reinforcing structure, the reinforcing structure comprises a metal pipe, and the metal pipe is sleeved outside the water pipe or is injection-molded in the pipe wall of the water pipe; the metal pipe is an aluminum pipe, a steel pipe, a net pipe or a hollow pipe.

9. The structure of claim 1, wherein the water pipe is provided with a reinforcing structure, the reinforcing structure comprises metal ribs extending along the length direction of the water pipe, and the metal ribs are injection-molded in the pipe wall of the water pipe; the metal ribs are arranged in a plurality, and the metal ribs are arranged at intervals along the circumferential direction.

10. An electric water heater comprising the electricity protection wall structure of any one of claims 1-9.