Water purifying device and water heater

Abstract

The utility model provides a water purifying device and a water heater, and relates to the field of household appliances. The water purifying device mainly comprises a shell, the shell is provided with a through hole, and the shell is arranged on the outer side of a water outlet of an electricity-proof wall water pipe of the water heater in a sleeving mode through the through hole. A through hole is formed in the shell, a cavity used for containing a water purification material is formed between the shell wall of the shell and the through hole, a water inlet hole is formed in the hole wall of the through hole, the water inlet hole is communicated with a water outlet of an electricity-proof wall water pipe of the water heater, a water outlet hole is formed in the shell wall of the shell, and the water inlet hole and the water outlet hole are both communicated with the cavity. According to the embodiment provided by the invention, the contact time of the bath water and the water purification material is prolonged, and the water purification effect is greatly improved. The increased water leakage risk of the pipeline when the water purifying device is externally connected can be avoided; the appearance of the whole water heater is not influenced, and the user impression is prevented from being reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of household appliances, in particular to a water purifier and a water heater. Background Art

[0002] Currently, there are many electric water heaters with water purification or filtration functions on the market. The solutions adopted are basically external filter elements or external water purification devices, which often make the pipe connection more complicated, thereby increasing the risk of water leakage between pipe connections. External filter elements or external water purification devices also make the size of the whole machine larger, which not only affects the appearance but also increases the production cost. In addition, since the filter element or water purification device is located outside the inner tank, the contact time between the bathing water and the water purification material will be limited, thus affecting the actual water purification effect. Utility Model Content

[0003] In view of the shortcomings of the existing methods, the present application provides a water purification device and a water heater to solve the technical problem of poor water purification effect in the prior art.

[0004] In the first aspect, an embodiment of the present application provides a water purification device, which is applied to a water heater, and the water purification device includes: a shell, the shell having a through hole, and the shell is mounted on the outside of the water outlet of the anti-electricity wall water pipe of the water heater through the through hole; a chamber for accommodating water purification materials is formed between the shell wall and the through hole, the hole wall of the through hole is provided with a water inlet hole, the water inlet hole is connected to the water outlet of the anti-electricity wall water pipe of the water heater, and the shell wall of the shell is provided with a water outlet hole, and the water inlet hole and the water outlet hole are both connected to the chamber.

[0005] As an optional implementation, a plurality of barrier strips are provided on the hole wall of the through hole, and the plurality of barrier strips are arranged circumferentially and at intervals, and the interval between two adjacent barrier strips forms the water inlet hole.

[0006] As an optional embodiment, the shell includes a cover body and a bottom shell that are detachably connected; the through hole is arranged in one of the cover body and the bottom shell, and the annular groove is arranged in the other one of the cover body and the bottom shell.

[0007] As an optional embodiment, an annular groove is provided in the shell, and the annular groove includes an inner ring protrusion and an outer ring protrusion surrounding the outer side of the inner ring protrusion; the inner ring protrusion has a hole structure for sleeved on the outer side of the anti-electric wall water pipe, and a plurality of the barrier strips are inserted into the annular groove, and the hole structure is connected with the through hole.

[0008] As an optional implementation, the bottom shell is provided with a plurality of water outlet holes, and the plurality of water outlet holes extend radially and are arranged circumferentially.

[0009] As an optional embodiment, the water purification device also includes: a pipe sleeve, having a water through hole connected to the inside and outside of the pipe sleeve, the pipe sleeve is arranged on the outside of the water outlet of the anti-electric wall water pipe of the water heater; the pipe sleeve passes through the through hole and is plugged into the shell; the outer wall of the end of the pipe sleeve away from the shell is provided with a strip protrusion, and the strip protrusion extends axially along the pipe sleeve; the pipe sleeve is interference connected with the water inlet pipe of the water heater through the strip protrusion.

[0010] As an optional embodiment, the end of the tube sleeve close to the shell is provided with a plurality of clips arranged along the circumferential direction; the edge of the through hole close to the clips is provided with a plurality of slots along the circumferential direction; the plurality of slots are adapted to the plurality of clips, and the plurality of clips are inserted into the plurality of slots; the sleeve body of the tube sleeve is provided with a limiting protrusion protruding outward, and the limiting protrusion abuts against a side of the shell opposite to the slot.

[0011] As an optional implementation, an end of the pipe sleeve away from the shell is provided with an outwardly protruding limit seat, and the limit seat is used to abut against the water inlet pipe of the water heater.

[0012] As an optional implementation, the water inlet hole is an elongated hole extending axially along the through hole.

[0013] In the second aspect, an embodiment of the present application provides a water heater, comprising: an outer shell; an inner tank, arranged in the outer shell; a water inlet pipe, passing through the outer shell and connected to the inner tank; an anti-electric wall water pipe; and a water purifier described in any one of the aforementioned embodiments; wherein, the pipe sleeve of the water purifier extends into the inner tank through the water inlet pipe, and the pipe sleeve of the water purifier is interference connected with the water inlet pipe; the pipe sleeve of the water purifier is sleeved on the outside of the water outlet of the anti-electric wall water pipe, and the anti-electric wall water pipe extends into the inner tank through the pipe sleeve of the water purifier.

[0014] The present application provides a water purifier and a water heater. The technical solution provided by the embodiments of the present application brings at least the following beneficial effects:

[0015] First, the water purification device is suitable for electric water heaters with built-in anti-electricity wall structures. The water purification device is installed on the outside of the anti-electricity wall water pipe. Regardless of whether the user uses the water heater, the water purification material in the water purification device is in contact with the water in the inner tank, which increases the contact time between the bathing water and the water purification material, greatly improving the water purification effect. Secondly, it can avoid the risk of water leakage in the pipeline when the external water purification device is connected; finally, because the water purification device is built-in, it does not affect the overall appearance of the water heater at all, avoiding reducing the user's perception.

[0016] It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the following description of the embodiments in conjunction with the accompanying drawings, in which:

[0018] Figure 1 A schematic diagram of the structure of a water purification device provided in an embodiment of the present application;

[0019] Figure 2 A schematic diagram of an exploded structure of a water purification device provided in an embodiment of the present application;

[0020] Figure 3 A schematic diagram of an exploded structure of a water purification device provided in another embodiment of the present application;

[0021] Figure 4 A schematic diagram of the structure of a water heater provided in an embodiment of the present application;

[0022] Reference numerals and corresponding descriptions:

[0023] 1: housing; 11: through hole; 12: chamber; 13: water inlet hole; 14: water outlet hole; 15: barrier strip; 16: annular groove; 161: inner ring protrusion; 162: outer ring protrusion; 17: cover; 18: bottom shell; 19: slot;

[0024] 2: Water pipes on the anti-electric wall;

[0025] 3: pipe sleeve; 31: water hole; 32: strip protrusion; 33: buckle; 34: limit protrusion; 35: limit seat;

[0026] 4: Water inlet pipe;

[0027] 5: Shell;

[0028] 6: Inner liner. DETAILED DESCRIPTION

[0029] The present application is described in detail below, and examples of embodiments of the present application are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar components or components with the same or similar functions. In addition, if the detailed description of the known technology is unnecessary for the features of the present application shown, it will be omitted. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be interpreted as limiting the present application.

[0030] Those skilled in the art will appreciate that, unless otherwise stated, the singular forms "a", "an", "said" and "the" used herein may also include plural forms. It should be further understood that the term "comprising" used in the specification of the present application refers to the presence of the features, elements and / or components, but does not exclude the presence or addition of one or more other features, elements, components and / or groups thereof. The term "and / or" used herein includes all or any unit and all combinations of one or more associated listed items.

[0031] like Figure 1-3 As shown, an embodiment of the present application provides a water purification device, which is applied to a water heater. The water purification device mainly includes a shell 1, and the shell 1 has a through hole 11. The shell 1 is arranged on the outside of the water outlet of the anti-electricity wall water pipe 2 of the water heater through the through hole 11; a chamber 12 for accommodating water purification materials is formed between the shell wall of the shell 1 and the through hole 11, and a water inlet hole 13 is opened in the hole wall of the through hole 11, and the water inlet hole 13 is connected with the water outlet of the anti-electricity wall water pipe 2 of the water heater, and a water outlet hole 14 is opened in the shell wall of the shell 1, and the water inlet hole 13 and the water outlet hole 14 are both connected with the chamber 12.

[0032] In some embodiments, the water purifier is disposed in the inner tank 6 of the water heater. The shell 1 of the water purifier is a cylindrical structure, the through hole 11 is coaxial with the shell 1, the anti-electricity wall water pipe 2 of the water heater passes through the through hole 11, and the water outlet of the anti-electricity wall water pipe 2 of the water heater is connected to the water inlet 13 on the through hole 11.

[0033] The through hole 11 and the shell wall of the shell 1 are surrounded to form an annular chamber 12, and the chamber 12 is used to place a water purification material, which can be a scale-inhibiting material or a sterilizing material, or other water purification materials with purification and adsorption functions can be selected according to actual needs. The water flowing out of the anti-electric wall water pipe 2 flows into the chamber 12 through the water inlet 13, flushes the water purification material, and then flows out of the shell 1 through the water outlet 14, that is, flows into the inner tank 6, to achieve water purification.

[0034] The water purification device provided in the embodiment of the present application is, firstly, suitable for electric water heaters with built-in anti-electricity wall structures. The water purification device is sleeved on the outside of the anti-electricity wall water pipe 2. Regardless of whether the user uses the water heater, the water purification material in the water purification device is in contact with the water in the inner tank 6, which increases the contact time between the bathing water and the water purification material, greatly improving the water purification effect. Secondly, it can avoid the increased risk of water leakage in the pipeline when the external water purification device is connected; finally, since the water purification device is built-in, it does not affect the overall appearance of the water heater at all, avoiding reducing the user's perception.

[0035] As an optional implementation, a plurality of barrier strips 15 are provided on the hole wall of the through hole 11 . The plurality of barrier strips 15 are arranged circumferentially and at intervals, and the interval between two adjacent barrier strips 15 forms a water inlet hole 13 .

[0036] Based on the above embodiments, in this embodiment, the barrier strip 15 is a long stick-shaped structure, and a plurality of barrier strips 15 surround the axis of the housing 1 and are distributed along the circumferential direction. Two adjacent barrier strips 15 are not connected to form a gap, and a plurality of gaps exist on the hole wall of the through hole 11, and the plurality of gaps also surround the axis of the housing 1 and are distributed along the circumferential direction. The annularly distributed gaps correspond to the annular chamber 12, so that water flows out of the water inlet hole 13 from all angles into the chamber 12, thereby improving the water purification efficiency.

[0037] As an optional embodiment, an annular groove 16 is also provided in the shell 1, and a plurality of barrier strips 15 are inserted into the annular groove 16 to form a socket structure; the shell 1 includes a cover body 17 and a bottom shell 18 that are detachably connected; one of the cover body 17 and the bottom shell 18 is provided with a through hole 11, and the other of the cover body 17 and the bottom shell 18 is provided with an annular groove 16.

[0038] Based on the above embodiments, this embodiment is described by taking the through hole 11 provided on the cover 17 and the annular groove 16 provided on the bottom shell 18 as an example. The bottom of the cover 17 is open, and the through hole 11 extends to the bottom of the cover 17. The bottom shell 18 is a plate-like structure as a whole, and the annular groove 16 protrudes from the bottom shell 18. A plurality of barrier strips 15 are inserted into the annular groove 16 to form a plug-in structure that is sleeved on the outside of the water outlet of the anti-electric wall water pipe 2 of the water heater.

[0039] As an optional embodiment, the annular groove 16 includes an inner ring protrusion 161 and an outer ring protrusion 162 surrounding the outer side of the inner ring protrusion 161; the inner ring protrusion 161 has a hole structure for sleeved on the outer side of the anti-electric wall water pipe 2, and the hole structure is connected to the through hole 11.

[0040] Based on the above embodiments, in this embodiment, the inner ring protrusion 161 and the outer ring protrusion 162 are both groove walls of the annular groove 16, the opening of the annular groove 16 faces the cover body 17, the annular groove 16 is adapted to the plurality of barrier strips 15, and the plurality of barrier strips 15 are inserted into the annular groove 16. The inner ring protrusion 161 protrudes from the outer ring protrusion 162, and the inner ring protrusion 161 plays a role in limiting and fixing the plurality of barrier strips 15. A hole structure is formed in the inner ring protrusion 161, and the hole structure is opened in the shell wall of the shell 1, and the hole structure is coaxially connected with the through hole 11.

[0041] As an optional implementation, the bottom shell 18 is provided with a plurality of water outlet holes 14 , and the plurality of water outlet holes 14 extend radially and are arranged circumferentially.

[0042] Based on the above embodiments, in this embodiment, the bottom shell 18 is in the shape of a disk, and the annular groove 16 is centrally disposed on the bottom shell 18. A plurality of water outlet holes 14 surround the outer side of the annular groove 16 to maximize the water output.

[0043] As an optional embodiment, the water purification device also includes a pipe sleeve 3, which has a water hole 31 connected to the inside and outside of the pipe sleeve 3, and the pipe sleeve 3 is sleeved on the outside of the water outlet of the anti-electric wall water pipe 2 of the water heater; the pipe sleeve 3 passes through the through hole 11 and is plugged into the shell 1; the outer wall of the end of the pipe sleeve 3 away from the shell 1 is provided with a strip protrusion 32, and the strip protrusion 32 extends axially along the pipe sleeve 3; the pipe sleeve 3 is interference connected with the water inlet pipe 4 of the water heater through the strip protrusion 32.

[0044] Based on the above embodiments, in this embodiment, the pipe sleeve 3 is detachably connected to the housing 1, and further, the pipe sleeve 3 is plugged into the housing 1. The pipe sleeve 3 is a circular tube with a hollow structure, so that the pipe sleeve 3 can be sleeved on the outside of the anti-electric wall water pipe 2. The pipe wall of the pipe sleeve 3 is provided with a plurality of water holes 31, so that the water flowing out of the anti-electric wall water pipe 2 flows through the water holes 31, and then flows through the water inlet hole 13 on the through hole 11 into the chamber 12. The strip protrusion 32 is a long sheet structure. Optionally, the pipe sleeve 3 and the strip protrusion 32 are integrally formed.

[0045] As an optional embodiment, the end of the tube sleeve 3 close to the shell 1 is provided with a plurality of clips 33 arranged along the circumferential direction; the edge of the through hole 11 close to the clips 33 is provided with a plurality of slots 19 along the circumferential direction; the plurality of slots 19 are adapted to the plurality of clips 33, and the plurality of clips 33 are inserted into the plurality of slots 19; the sleeve body of the tube sleeve 3 is provided with a limiting protrusion 34 protruding outward, and the limiting protrusion 34 abuts against the side of the shell 1 opposite to the slot 19.

[0046] Based on the above embodiments, in this embodiment, the first end of the pipe sleeve 3 is the end that passes through the through hole 11. A plurality of buckles 33 protruding from the pipe sleeve 3 are provided along the edge of the first end of the pipe sleeve 3. A plurality of slots 19 matching the buckles 33 are provided along the edge of the through hole 11 on the top of the housing 1 to achieve the snap connection between the pipe sleeve 3 and the housing 1. The limiting protrusion 34 of the pipe sleeve 3 abuts against the bottom of the housing 1 when the pipe sleeve 3 is connected to the housing 1, so as to improve the stability of the connection between the pipe sleeve 3 and the housing 1.

[0047] As an optional embodiment, an end of the pipe sleeve 3 away from the shell 1 is provided with an outwardly protruding limit seat 35, and the limit seat 35 is used to abut against the water inlet pipe 4 of the water heater.

[0048] Based on the foregoing embodiments, in this embodiment, the limit seat 35 is an annular protrusion, which is used to abut against the protrusion in the inner wall of the water inlet pipe 4 or the end of the water inlet pipe 4 to ensure the stability of the connection between the pipe sleeve 3 and the water inlet pipe 4.

[0049] As an optional implementation, the water inlet hole 13 is an elongated hole extending axially along the through hole 11 .

[0050] By adopting the above solution, it can be ensured that the water purification material will not fall out of the shell 1.

[0051] In a specific embodiment, four buckles 33 are evenly arranged on the first end of the pipe sleeve 3, and a gap is arranged between two adjacent buckles 33, that is, there are four gaps, which are used to shrink when the pipe sleeve 3 is inserted into the through hole 11 of the shell 1, and open after passing through the through hole 11. An annular limiting protrusion 34 is arranged at the upper middle position of the pipe sleeve 3. Along the axial direction of the pipe sleeve 3, a plurality of water holes 31 are opened between the buckles 33 and the limiting protrusion 34, and the plurality of water holes 31 are distributed in a matrix. A protruding annular limiting seat 35 is arranged on the second end of the pipe sleeve 3. Along the axial direction of the pipe sleeve 3, a plurality of strip protrusions 32 are arranged between the limiting protrusion 34 and the limiting seat 35. Further, the plurality of strip protrusions 32 are distributed circumferentially and close to the limiting seat 35.

[0052] The side wall of the cover 17 of the housing 1 is evenly provided with four snap-fitting holes along the circumferential direction, and the four snap-fitting holes are used to cooperate with the aforementioned snap-fitting structure to realize the snap-fitting of the bottom shell 18 and the cover 17. Four snap-fitting grooves 19 are evenly provided on the top of the cover 17 and along the edge of the through hole 11, and the four snap-fitting grooves 19 are used to cooperate with the aforementioned four buckles 33.

[0053] The bottom shell 18 of the housing 1 is a disc-shaped structure as a whole, and four clamping structures are evenly arranged along the edge of the bottom shell 18. The annular clamping groove 19 is arranged in the center, and a plurality of water outlet holes 14 are arranged around the annular clamping groove 19. The water inlet hole 13 and the water outlet hole 14 are both narrow and long strip structures, which can ensure that the water purification material will not fall. This technical solution has a simple structure and is easy to implement. The cover body 17 and the bottom shell 18 can be directly injection molded, which can save costs and ensure the water purification effect.

[0054] like Figure 4 As shown, based on the same inventive concept, the embodiment of the present application provides a water heater, which mainly includes a shell 5, an inner tank 6, a water inlet pipe 4, an anti-electricity wall water pipe 2 and a water purifier of any one of the above embodiments. The inner tank 6 is arranged in the shell 5; the water inlet pipe 4 is arranged through the shell 5 and communicated with the inner tank 6; the pipe sleeve 3 of the water purifier extends into the inner tank 6 through the water inlet pipe 4, and the pipe sleeve 3 of the water purifier is connected with the water inlet pipe 4 by interference fit; the pipe sleeve 3 of the water purifier is sleeved on the outer side of the water outlet of the anti-electricity wall water pipe 2, and the anti-electricity wall water pipe 2 extends into the inner tank 6 through the pipe sleeve 3 of the water purifier.

[0055] Based on the above embodiments, in this embodiment, the shell wall of the outer shell 5 is surrounded to form a cavity, the inner liner 6 is fixed in the cavity, the inner liner 6 has a water cavity, the anti-electricity wall water pipe 2 extends into the water cavity, and the water purification device is sleeved on the part of the anti-electricity wall water pipe 2 extending into the water cavity, so that the water purification device is fixed in the water cavity. The water flowing out of the anti-electricity wall water pipe 2 enters the water cavity after being purified by the water purification device to ensure the purification effect.

[0056] By applying the embodiments of the present application, at least the following beneficial effects can be achieved:

[0057] First, the water purification device is suitable for electric water heaters with built-in anti-electricity wall structures. The water purification device is set on the outside of the anti-electricity wall water pipe 2. Regardless of whether the user uses the water heater, the water purification material in the water purification device is in contact with the water in the inner tank 6, which increases the contact time between the bathing water and the water purification material, greatly improving the water purification effect. Secondly, it can avoid the risk of water leakage in the pipeline when the external water purification device is connected; finally, because the water purification device is built-in, it does not affect the overall appearance of the water heater at all, avoiding reducing the user's perception.

[0058] In the description of the present application, it should be understood that the terms "center", "up", "down", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0059] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, unless otherwise specified, "plurality" means two or more.

[0060] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0061] In the description of this specification, specific features, structures, materials or characteristics may be combined in an appropriate manner in any one or more embodiments or examples.

[0062] The above description is only a partial implementation method of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present application. These improvements and modifications should also be regarded as the scope of protection of the present application.

Claims

1. A water purification device, applied to a water heater, characterized in that: The water purification device comprises: A shell (1), the shell (1) having a through hole (11), the shell (1) being sleeved on the outside of the water outlet of the anti-electricity wall water pipe (2) of the water heater through the through hole (11); a chamber (12) for accommodating water purification materials is formed between the shell wall of the shell (1) and the through hole (11), the hole wall of the through hole (11) is provided with a water inlet hole (13), the water inlet hole (13) is connected to the water outlet of the anti-electricity wall water pipe (2) of the water heater, and the shell wall of the shell (1) is provided with a water outlet hole (14), the water inlet hole (13) and the water outlet hole (14) are both connected to the chamber (12).

2. The water purification device according to claim 1, characterized in that: The hole wall of the through hole (11) is provided with a plurality of barrier strips (15), the plurality of barrier strips (15) are arranged along the circumferential direction and at intervals, and the interval between two adjacent barrier strips (15) forms the water inlet hole (13).

3. The water purification device according to claim 2, characterized in that: An annular groove (16) is also provided in the housing (1), and a plurality of barrier strips (15) are inserted into the annular groove (16) to form an insertion hole structure; The housing (1) comprises a cover body (17) and a bottom shell (18) which are detachably connected; one of the cover body (17) and the bottom shell (18) is provided with the through hole (11), and the other of the cover body (17) and the bottom shell (18) is provided with the annular groove (16).

4. The water purification device according to claim 3, characterized in that: The annular groove (16) comprises an inner ring protrusion (161) and an outer ring protrusion (162) surrounding the outer side of the inner ring protrusion (161); the inner ring protrusion (161) has a hole structure for sleeved on the outer side of the anti-electric wall water pipe (2), and the hole structure is connected to the through hole (11).

5. The water purification device according to claim 4, characterized in that: The bottom shell (18) is provided with a plurality of water outlet holes (14), and the plurality of water outlet holes (14) extend radially and are arranged circumferentially.

6. The water purification device according to claim 1, characterized in that: Also includes: A pipe sleeve (3) has a water through hole (31) communicating with the inside and outside of the pipe sleeve (3); the pipe sleeve (3) is sleeved on the outside of the water outlet of the anti-electric wall water pipe (2) of the water heater; the pipe sleeve (3) passes through the through hole (11) and is plugged into the shell (1); a strip protrusion (32) is provided on the outer wall of the end of the pipe sleeve (3) away from the shell (1), and the strip protrusion (32) extends axially along the pipe sleeve (3); the pipe sleeve (3) is interference-connected with the water inlet pipe (4) of the water heater through the strip protrusion (32).

7. The water purification device according to claim 6, characterized in that: The end of the sleeve (3) close to the shell (1) is provided with a plurality of buckles (33) arranged along the circumferential direction; The through hole (11) is provided with a plurality of slots (19) along the circumferential direction near the edge of the buckle (33); the plurality of slots (19) are adapted to the plurality of buckles (33), and the plurality of buckles (33) are inserted into the plurality of slots (19); The sleeve body of the sleeve (3) is provided with a limiting protrusion (34) protruding outwards, and the limiting protrusion (34) abuts against a side of the housing (1) opposite to the clamping groove (19).

8. The water purification device according to claim 7, characterized in that: An end of the pipe sleeve (3) away from the shell (1) is provided with a limiting seat (35) protruding outwards, and the limiting seat (35) is used to abut against the water inlet pipe (4) of the water heater.

9. The water purification device according to any one of claims 1 to 8, characterized in that: The water inlet hole (13) is a long strip-shaped hole extending axially along the through hole (11).

10. A water heater, characterized in that: include: Housing (5); An inner container (6) is arranged inside the outer shell (5); A water inlet pipe (4) is provided through the outer shell (5) and is in communication with the inner liner (6); Electricity wall water pipe (2); as well as The water purification device according to any one of claims 1 to 9; The pipe sleeve (3) of the water purifier extends into the inner tank (6) through the water inlet pipe (4), and the pipe sleeve (3) of the water purifier is interference-connected with the water inlet pipe (4); the pipe sleeve (3) of the water purifier is sleeved on the outside of the water outlet of the anti-electricity wall water pipe (2), and the anti-electricity wall water pipe (2) extends into the inner tank (6) through the pipe sleeve (3) of the water purifier.

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