CN216667992U

CN216667992U - Water heater

Info

Publication number: CN216667992U
Application number: CN202122425597.2U
Authority: CN
Inventors: 赵仁壮
Original assignee: Midea Group Co Ltd; Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
Current assignee: Midea Group Co Ltd; Wuhu Midea Kitchen and Bath Appliances Manufacturing Co Ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-06-03
Anticipated expiration: 2031-09-30

Abstract

The utility model discloses a water heater, which comprises: a housing having a water pipe connection; the adapter is in threaded connection with the water pipe joint; the electric leakage indicates the connection piece, and the electric leakage indicates the connection piece to set up in the adapter. From this, through setting up the electric leakage indication connection piece in the adapter, compare with prior art, conduction current's between electric leakage indication connection piece and the adapter stability is higher, and whether electric leakage indicator can detect the water heater accurately and leak electricity to can avoid electric leakage indicator to become invalid, and then can improve the safety in utilization of water heater.

Description

Water heater

Technical Field

The utility model relates to the field of domestic appliances, in particular to a water heater.

Background

The water heater passes through the adapter and connects water pipe and prevent electric wall pipeline, all is provided with flange structure on adapter and the electric wall pipeline, and the clamp can cramp the flange structure on the fixed adapter and prevent the flange structure of electric wall pipeline to make the adapter with prevent that electric wall pipeline links together.

In the related art, the current water heater has the problem of electric leakage of parts when in use and the problem of electrification of a grounding wire of the water heater, current can flow out of the water heater through water flow, and when the water heater provides hot water for a user, the electrified water flow easily causes dangerous accidents. In order to reduce the probability of dangerous accidents, the water heater can be further provided with a leakage indicator lamp, the leakage indicator lamp is electrically connected with the leakage indication connecting sheet, when the water heater leaks electricity, the current can flow through the leakage indication connecting sheet, the current can light the leakage indicator lamp, and the leakage indicator lamp can prompt a user of water heater leakage after being lighted. The current electric leakage indication connecting sheet is usually arranged on the clamp, and because the clamp is unreliable in contact with the adapter or the electricity-proof wall pipeline, the current generated when the water heater leaks electricity can not be transmitted to the electric leakage indicator lamp through the clamp, so that the electric leakage indicator lamp can be out of work, and the use safety of the water heater can be reduced.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, one objective of the present invention is to provide a water heater, in which the stability of the conduction current between the leakage indication connection sheet and the adapter is higher, and the leakage indicator lamp can accurately detect whether the water heater leaks electricity, so as to avoid the failure of the leakage indicator lamp, and further improve the safety of the water heater.

The water heater according to the present invention comprises: a housing having a water connection; the adapter is in threaded connection with the water pipe joint; the electric leakage indicates the connection piece, the electric leakage indicate the connection piece set up in the adapter.

According to the water heater, the electric leakage indication connecting piece is arranged on the adapter, compared with the prior art, the stability of conducting current between the electric leakage indication connecting piece and the adapter is higher, and the electric leakage indicator lamp can accurately detect whether the water heater leaks electricity or not, so that the electric leakage indicator lamp can be prevented from being out of work, and the use safety of the water heater can be improved.

In some examples of the utility model, the leakage indication connecting piece is disposed on an outer wall surface of the adapter.

In some examples of the utility model, the electrical leakage indication tab extends radially of the adapter.

In some examples of the utility model, the leakage indication tab includes: fixed part and connecting portion, the fixed part with the outer wall of adapter is fixed, connecting portion with the fixed part links to each other and follows radially to keeping away from the direction of adapter extends.

In some examples of the utility model, the fixing portion and the connecting portion are perpendicular.

In some examples of the utility model, the leakage indication connecting piece is a plurality of pieces and is arranged around the periphery of the adapter.

In some examples of the utility model, the leakage indication tabs are a pair and are arranged symmetrically about a radial direction of the adapter.

In some examples of the utility model, the adapter has an adapter body and an adapter thread section connected to the adapter body, and the leakage indication connecting piece is arranged on an outer wall surface of the adapter body.

In some examples of the utility model, the adapter is welded or riveted to the leakage indication connecting piece.

In some examples of the utility model, the adapter threaded section has an adapter internal thread, the water fitting has a water fitting external thread, and the adapter internal thread is connected to the water fitting external thread.

In some examples of the utility model, the adapter thread section has an adapter external thread, and the water fitting has a water fitting internal thread, the adapter external thread being connected to the water fitting internal thread.

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 above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is an exploded view of a water heater according to an embodiment of the present invention;

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

FIG. 3 is an enlarged schematic view at A in FIG. 2;

FIG. 4 is a partial cross-sectional view of a second embodiment of a water heater according to an embodiment of the present invention;

FIG. 5 is an enlarged schematic view at B of FIG. 4;

figure 6 is a schematic diagram of a first embodiment of an adapter according to an embodiment of the present invention;

figure 7 is a schematic diagram of a second embodiment of an adapter according to an embodiment of the present invention;

FIG. 8 is a partial cross-sectional structural view of a water heater according to an embodiment of the present invention;

fig. 9 is an enlarged schematic view at C in fig. 8.

Reference numerals are as follows:

a water heater 100;

a housing 10; a water pipe joint 101; water pipe fitting external threads 102; water pipe joint internal threads 103;

an adapter 20; adapter internal threads 201; an adapter external thread 202;

a leakage indication connection pad 204; a second inner end face 206; a connecting portion 207; a fixed portion 208;

an adapter body 209; an adapter threaded section 2010;

a first packing 2012;

a band 40.

Detailed Description

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

A water heater 100 according to an embodiment of the present invention is described below with reference to fig. 1-9.

As shown in fig. 1 to 9, a water heater 100 according to an embodiment of the present invention includes: the housing 10, the adapter 20 and the electrical leakage indication connection piece 204. The shell 10 is provided with a water pipe connector 101, the adapter 20 is in threaded connection with the water pipe connector 101, and the electric leakage indication connecting piece 204 is arranged on the adapter 20.

Wherein, water heater 100 includes water storage chamber and electric heating element, and the water storage chamber can set up to seal chamber body to the water storage chamber can be injectd by casing 10, and the water storage chamber can be used for storing water, and the electric heating element can be placed in the water storage intracavity, and the electric heating element can heat the water of water storage intracavity, so that water heater 100 provides hot water to the user. The outer surface of the shell 10 can be provided with a water pipe connector 101, the water pipe connector 101 can be communicated with the water storage cavity and the external environment, cold water can be supplemented into the water storage cavity through the water pipe connector 101, the electric heating component heats the cold water in the water storage cavity into hot water, and the hot water can be discharged from the water pipe connector 101.

In addition, the water heater 100 may further include a water pipe assembly, the water pipe assembly may include an inner water pipe and an outer water pipe, the outer water pipe is sleeved outside the inner water pipe, the outer water pipe may penetrate through the water pipe connector 101 and extend into the water storage cavity, and the water heater 100 may move water in the water storage cavity out through the water pipe assembly or supplement water for the water storage cavity through the water pipe assembly. The water pipe assembly can be further provided with an electricity-proof wall pipeline, the adapter 20 is arranged between the electricity-proof wall pipeline and the water pipe connector 101, and the adapter 20 can connect the water pipe assembly and the shell 10 together.

When the electric heating component or other electrified components in the water storage cavity leak electricity, dangerous accidents are easily caused by water drained from the water storage cavity because the water in the water storage cavity can conduct electricity. Through set up electric leakage indication connection piece 204 on adapter 20, water pipe head 101, adapter 20 and electric leakage indication connection piece 204 all can adopt the metal material preparation, that is to say, between electric leakage indication connection piece 204 and adapter 20, all can conduction current between water pipe head 101 and the adapter 20, the electric current that the water in the water storage chamber was taken can loop through water pipe head 101, adapter 20 flow direction electric leakage indication connection piece 204, the electric current can light the electric leakage pilot lamp of being connected with electric leakage indication connection piece 204, the electric leakage pilot lamp can indicate the user, thereby can prevent the emergence of dangerous accident.

Compared with the prior art, electric leakage indication connection piece 204 sets up on adapter 20, and the electric current can directly transmit to electric leakage indication connection piece 204 through adapter 20, and need not pass through clamp 40 during the electric current conduction to can reduce the influence of contact failure to electric leakage indicator lamp operational reliability between clamp 40 and the adapter 20, and then can improve the safety in utilization of water heater 100.

From this, through setting up electric leakage indication connection piece 204 in adapter 20, compare with prior art, electric leakage indication connection piece 204 is higher with the stability of adapter 20 between conduction current, and the electric leakage pilot lamp can detect accurately whether electric leakage of water heater 100 to can avoid the electric leakage pilot lamp to become invalid, and then can improve the safety in utilization of water heater 100.

In some embodiments of the present invention, as shown in fig. 1, 6, and 7, the outer wall surface of the adapter 20 may be provided with a leakage indication connecting piece 204. The outer wall surface of the adapter 20 is disposed outside the adapter 20, and the outer wall surface of the adapter 20 is located between the electricity-proof wall pipeline and the water pipe connector 101. And, all constitute between adapter 20 and the water pipe head 101 metal, the current can be followed water pipe head 101 and conducted to adapter 20 in the water to the electric current on the adapter 20 can be detected out from the outer wall surface of adapter 20. Through setting up electric leakage indication connection piece 204 at the outer wall of adapter 20, the electric current of the outer wall of adapter 20 can conduct electric leakage indication connection piece 204 to the light electric leakage pilot lamp. In addition, the electric leakage indication connecting piece 204 is arranged on the outer wall surface of the adapter 20, so that the adapter 20 is easy to process, and the electric leakage indication connecting piece 204 is easier to be electrically connected with an electric leakage indication lamp, thereby reducing the production cost of the adapter 20.

Further, the electrical leakage indicator connection tab 204 may extend in a radial direction of the adapter 20. Wherein, the outside and the clamp 40 of adapter 20 are connected, and adapter 20 sets up and prevents between electric wall pipeline and water pipe connection 101, and when adapter 20 installed on water heater 100, the installation space around adapter 20 is comparatively narrow, is unfavorable for electric leakage indication connection piece 204 and electric leakage indicator to be connected. Through extending the setting of electric leakage indication connection piece 204 in the radial direction of adapter 20, electric leakage indication connection piece 204 can pass narrow installation space, and electric leakage indication connection piece 204 can be connected in the position of assembling more easily with the electric leakage pilot lamp to can reduce the assembly degree of difficulty of water heater 100, and then can improve the production efficiency of water heater 100.

Further, the leakage indicator tab 204 may include: the fixing portion 208 may be fixedly connected to an outer wall surface of the adapter 20, the fixing portion 208 may be connected to the connecting portion 207, and the connecting portion 207 may extend along a radial direction of the adapter 20 toward a direction away from the adapter 20. The end of the fixing portion 208 close to the adapter 20 may be abutted against the adapter 20, and the end of the fixing portion 208 abutted against the adapter 20 may be fixedly connected to the adapter 20.

One end of the connecting portion 207 near the adapter 20 may be connected to an edge of the fixing portion 208, for example: as shown in fig. 6, an end of the connecting portion 207 close to the adapter 20 may be connected to a lower edge of the fixing portion 208, an end of the connecting portion 207 far from the adapter 20 may be configured as a free end of the connecting portion 207, the free end of the connecting portion 207 may be extended in a radial direction of the adapter 20 toward a direction far from the adapter 20, and the free end of the connecting portion 207 may be electrically connected to the leakage indicator lamp. The current on the adapter 20 can be conducted through the fixing portion 208 to the connecting portion 207, and the current can be conducted from the free end of the connecting portion 207 to the leakage indicator light to remind the user to repair the water heater 100.

However, the utility model is not limited thereto, for example, one end of the connecting portion 207 close to the adapter 20 may be connected to an upper edge of the fixing portion 208, one end of the connecting portion 207 far from the adapter 20 may be configured as a free end of the connecting portion 207, the free end of the connecting portion 207 may be extended in a radial direction of the adapter 20 toward a direction far from the adapter 20, and the free end of the connecting portion 207 may be electrically connected to the leakage indicator light, so as to achieve the technical effect that the adapter 20 is connected to the leakage indicator light through the leakage indicator connecting piece 204.

In addition, one end of the connecting portion 207 close to the adapter 20 may be further connected to a left edge of the fixing portion 208 or a right edge of the fixing portion 208, one end of the connecting portion 207 far from the adapter 20 may be configured as a free end of the connecting portion 207, the free end of the connecting portion 207 may extend in a direction far from the adapter 20 in a radial direction of the adapter 20, and the free end of the connecting portion 207 may be electrically connected to the leakage indication lamp, so as to achieve a technical effect that the adapter 20 is connected to the leakage indication lamp through the leakage indication connecting piece 204.

Further, as shown in fig. 1, 6, and 7, the connecting portion 207 and the fixing portion 208 may be vertically disposed therebetween. Preferably, the connecting portion 207 and the fixing portion 208 may be integrally formed, such that the connecting portion 207 and the fixing portion 208 can be reliably connected, so as to improve stability of current transmission between the connecting portion 207 and the fixing portion 208, and further prevent the leakage indicator lamp from failing. Further, by bending the leakage indication connecting piece 204, a part of the leakage indication connecting piece 204 may be configured as the fixing portion 208, and another part of the leakage indication connecting piece 204 may be configured as the connecting portion 207.

By vertically arranging the connecting portion 207 and the fixing portion 208, the extending direction of the fixing portion 208 can be arranged in parallel to the axial direction of the adapter 20, the axial direction of the adapter 20 can be referred to as the vertical direction in fig. 1, and the fixing portion 208 can be attached to the outer wall surface of the adapter 20, so that the fixing portion 208 can be reliably fixed to the adapter 20. The connecting portion 207 and the fixing portion 208 are vertically arranged, so that the connecting portion 207 can extend in a radial direction of the adapter 20 toward a direction away from the adapter 20, the connecting portion 207 can penetrate through a narrow installation space outside the adapter 20, and the connecting portion 207 can be connected with the electric leakage indicator lamp, so that the use safety of the water heater 100 is improved.

In some embodiments of the utility model, the leakage indication connection pad 204 may be provided in plurality, and the plurality of leakage indication connection pads 204 are provided around the periphery of the adapter 20. Wherein, the electric leakage indicates that the connection piece 204 can set up to two on adapter 20, and the electric leakage indicates that the connection piece 204 also can set up to more than two on adapter 20, and the quantity that the electric leakage indicates that the connection piece 204 set up on adapter 20 can be set for according to actual installation needs and adapter 20's manufacturing cost.

The plurality of leakage indication connecting pieces 204 may be disposed at intervals in the circumferential direction of the adapter 20, each leakage indication connecting piece 204 may transmit current to the adapter 20, and the leakage indicator light may be electrically connected to at least one leakage indication connecting piece 204, that is, the leakage indicator light may be electrically connected to one leakage indication connecting piece 204, and the leakage indicator light may also be electrically connected to the plurality of leakage indication connecting pieces 204. Preferably, the electrical leakage indicator light may be electrically connected to one of the electrical leakage indicator connection pads 204 on the adapter 20. In some embodiments of the present invention, the number of the leakage indicator lamps is the same as the number of the leakage indicator connecting pieces 204, and one leakage indicator lamp is connected to one leakage indicator connecting piece 204. When the water pipe connector 101 conducts current to the adapter 20, the adapter 20 can transmit current to the leakage indicator lamp through the leakage indicator connecting piece 204 electrically connected to the leakage indicator lamp, so that the leakage indicator lamp is turned on. Therefore, the leakage indicator lamp can play a role in warning users.

Further, as shown in fig. 1, 6, and 7, the electrical leakage indication connecting pieces 204 may be provided as a pair on the adapter 20 (i.e., two electrical leakage indication connecting pieces 204 may be provided on the adapter 20), and the pair of electrical leakage indication connecting pieces 204 on the adapter 20 may be symmetrically provided with respect to the radial direction of the adapter 20. Wherein, in the radial direction of adapter 20, can be provided with two mounting positions on the adapter 20 of symmetry, two mounting positions are at the even spaced apart setting of the circumferential direction of adapter 20, two appearances, the electric leakage that the material is unanimous instructs connection piece 204 can be installed respectively on two mounting positions, and the connecting portion 207 of two electric leakage instructs connection piece 204 can be respectively towards opposite direction extension setting to make the radial direction symmetry setting of a pair of electric leakage instruction connection piece 204 on the adapter 20 about adapter 20.

In the assembling process of the water heater 100, after the adapter 20 is installed on the water pipe connector 101, the free end of one of the electric leakage indication connecting pieces 204 may extend toward a direction close to the electric leakage indicator lamp, the electric leakage indication connecting piece 204 extending toward the direction close to the electric leakage indicator lamp is suitable for being electrically connected with the electric leakage indicator lamp, the free end of the other electric leakage indication connecting piece 204 may extend toward a direction away from the electric leakage indicator lamp, the electric leakage indication connecting piece 204 extending toward the direction away from the electric leakage indicator lamp is not suitable for being electrically connected with the electric leakage indicator lamp, and the electric leakage indicator lamp may be selectively connected with the electric leakage indication connecting piece 204 with the optimum extending direction in the pair of electric leakage indication connecting pieces 204, so that the assembling efficiency of the water heater 100 may be further improved.

In some embodiments of the present invention, as shown in fig. 1 to 7, the adapter 20 may have an adapter threaded section 2010 and an adapter body 209, the adapter threaded section 2010 may be connected to the adapter body 209, the leakage indication connecting piece 204 may be disposed on the adapter body 209, and an outer wall surface of the adapter body 209 may be provided with the leakage indication connecting piece 204. Wherein, the one end of adapter 20 can be constructed for adapter screw thread section 2010, and the other end of adapter 20 can be constructed for adapter body 209, and adapter screw thread section 2010 and adapter body 209 can be integrated into one piece spare, and adapter screw thread section 2010 and adapter body 209 all can be made by metal material.

As shown in fig. 1, the upper end of the adapter 20 may be configured as an adapter thread segment 2010, and the adapter thread segment 2010 of the adapter 20 may be configured to be threadably coupled to the water connection 101 to couple the adapter 20 to the water connection 101. The lower extreme of adapter 20 can be constructed for adapter body 209, adapter body 209 of adapter 20 can be used for with prevent the electric wall tube coupling, adapter screw thread section 2010 sets up between water pipe head 101 and adapter body 209, and adapter screw thread section 2010 can be between water pipe head 101 and adapter body 209 conduction current. When the electric leakage indication connecting piece 204 is arranged on the outer wall surface of the adapter body 209, the electric leakage indication lamp can be electrically connected with the electric leakage indication connecting piece 204 arranged on the outer wall surface of the adapter body 209, the current can be conducted to the electric leakage indication connecting piece 204 through the water pipe connector 101, the adapter thread section 2010 and the adapter body 209 in sequence, and the electric leakage indication lamp can detect whether electric leakage exists in the shell 10 through the water pipe connector 101 and the adapter 20.

In some embodiments of the present invention, the electrical leakage indication connecting piece 204 and the adapter 20 may be welded together, or the electrical leakage indication connecting piece 204 and the adapter 20 may be riveted together, wherein when the electrical leakage indication connecting piece 204 and the adapter 20 are welded together, the fixing portion 208 may be welded together with the outer wall surface of the adapter 20, so that the electrical leakage indication connecting piece 204 is reliably connected to the adapter 20.

When the electric leakage indication connecting piece 204 is riveted and fixed with the adapter 20, the fixing portion 208 and the adapter 20 can both be provided with riveting holes, and the rivet can pass through the riveting hole on the fixing portion 208 and the riveting hole on the adapter 20 to connect the electric leakage indication connecting piece 204 with the adapter 20. The electric leakage indication connecting piece 204 is fixed on the adapter 20 in a welding or riveting mode, so that the electric leakage indication connecting piece 204 can be prevented from falling off from the adapter 20, and the working reliability of the electric leakage indication lamp can be further improved.

In some embodiments of the present invention, as shown in fig. 3, an adapter female thread 201 may be disposed on the adapter thread section 2010, a water pipe connector male thread 102 may be disposed on the water pipe connector 101, the water pipe connector male thread 102 may be connected to the adapter female thread 201, and a first packing 2012 may be further disposed at a connection between the water pipe connector 101 and the adapter 20. Wherein, first mounting hole can be injectd to adapter 20, adapter internal thread 201 can set up on the inner wall of first mounting hole, water pipe head external screw thread 102 can set up the surface at water pipe head 101, adapter 20 can overlap and establish the outside at water pipe head 101 to make the interior adapter internal thread 201 of first mounting hole and the water pipe head external screw thread 102 threaded connection of water pipe head 101 surface, thereby can realize water pipe head 101 and adapter 20 threaded connection's technological effect.

Furthermore, a first packing 2012 may be disposed between the water pipe joint 101 and the adapter 20, preferably, the first packing 2012 may be configured as a rubber ring, the first packing 2012 may be disposed between the water pipe joint 101 and the adapter 20, during the process of connecting the adapter internal thread 201 and the water pipe joint external thread 102, the adapter 20 and the water pipe joint 101 may jointly press the first packing 2012, the first packing 2012 may seal a gap between the first packing 2012 and the water pipe joint 101 after being pressed, the first packing 2012 may also seal a gap between the first packing 2012 and the adapter 20 after being pressed, so as to prevent the liquid (water) from flowing out of the water heater 100 from the gap between the first packing 2012 and the water pipe joint 101 and the gap between the first packing 2012 and the adapter 20, it may be understood that the first packing 2012 may prevent the liquid (water) from flowing out of the water heater 100 from the gap between the water pipe joint 101 and the adapter 20, thereby further improving the sealing effectiveness of the adapter 20.

In other embodiments of the present invention, as shown in fig. 4, 5, and 7, the adapter thread section 2010 may include an adapter male thread 202, the water pipe connector 101 may include a water pipe connector female thread 103, the water pipe connector female thread 103 is connected to the adapter male thread 202, and a first gasket 2012 is disposed between the water pipe connector 101 and a second inner end surface 206 of the adapter 20 extending into the water pipe connector 101, it should be noted that, as shown in fig. 4, the second inner end surface 206 of the adapter 20 extending into the water pipe connector 101 may refer to an upper end surface of the adapter 20 in fig. 4.

Wherein, water pipe head 101 can inject the second mounting hole, water pipe head internal thread 103 can set up on the inner wall of second mounting hole, adapter external screw thread 202 can set up the surface at water pipe head 101, adapter 20 can stretch into in the second mounting hole of water pipe head 101 to make the water pipe head internal thread 103 in the second mounting hole be connected with the adapter external screw thread 202 of adapter 20 surface, thereby can realize water pipe head 101 and adapter 20 threaded connection's technical effect.

Further, a first packing 2012 may be provided between the water pipe joint 101 and the upper end surface of the adapter 20, during the process of connecting the female water pipe connector 103 with the male adapter thread 202, the upper end surface of the adapter 20 and the water pipe connector 101 may jointly press the first packing ring 2012, the first packing ring 2012 may be pressed to seal a gap between the first packing ring 2012 and the water pipe connector 101, the first packing ring 2012 may be pressed to seal a gap between the first packing ring 2012 and the adapter 20, so that the liquid (water) can be prevented from flowing out of the water heater 100 through the gap between the first packing 2012 and the water pipe joint 101 and the gap between the first packing 2012 and the adapter 20, thus, the first packing 2012 prevents liquid (water) from flowing out of the water heater 100 through the gap between the water pipe joint 101 and the adapter 20, thereby further improving the sealing effectiveness of the adapter 20.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.

In the description of the present invention, "a plurality" means two or more.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean 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, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. 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 utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A water heater, comprising:

a housing having a water connection;

the adapter is in threaded connection with the water pipe joint;

the electric leakage indicates the connection piece, the electric leakage indicate the connection piece set up in the adapter.

2. The water heater of claim 1, wherein the electrical leakage indication tab is disposed on an outer wall surface of the adapter.

3. The water heater of claim 2, wherein the leakage indication tab extends radially of the adapter.

4. The water heater of claim 3, wherein the electrical leakage indication tab comprises: fixed part and connecting portion, the fixed part with the outer wall of adapter is fixed, connecting portion with the fixed part links to each other and follows radially to keeping away from the direction of adapter extends.

5. The water heater according to claim 4, wherein the fixing portion and the connecting portion are perpendicular.

6. The water heater of claim 1, wherein the leakage indication tab is a plurality of tabs disposed around a periphery of the adapter.

7. The water heater of claim 6, wherein the leakage indication tab is a pair and is disposed symmetrically about a radial direction of the adapter.

8. The water heater of claim 1, wherein the adapter has an adapter body and an adapter thread segment connected to the adapter body, the leakage indication tab being disposed on an outer wall surface of the adapter body.

9. The water heater of claim 1, wherein the adapter is welded or riveted to the leakage indication tab.

10. The water heater according to claim 8, wherein said adapter thread segment has an adapter internal thread, said water line connector has a water line connector external thread, and said adapter internal thread is coupled to said water line connector external thread.

11. The water heater according to claim 8, wherein said adapter thread segment has an adapter external thread and said water fitting has a water fitting internal thread, said adapter external thread being coupled to said water fitting internal thread.