阅读说明：本技术 一种滤水装置及应用其的热水器 (Water filtering device and water heater using same ) 是由 郭灵华 吴桂安 谢志辉 史衍龙 邓飞忠 仇明贵 潘叶江 于 2019-11-08 设计创作，主要内容包括：本发明公开了一种滤水装置,应用于热水器,其包括外壳体和第一滤芯组件,所述的第一滤芯组件装设在所述的外壳体的内部,所述的第一滤芯组件通过第一接口连接件与所述的外壳体相连。通过上述技术方案后,此滤水装置的结构简单,且滤芯组件通过第一接口连接件与外壳体配合,实现快速安装和拆卸,拆下后便于客户清理滤芯组件内部。(The invention discloses a water filtering device, which is applied to a water heater and comprises an outer shell and a first filter element assembly, wherein the first filter element assembly is arranged inside the outer shell, and the first filter element assembly is connected with the outer shell through a first interface connecting piece. After the technical scheme is adopted, the water filtering device is simple in structure, the filter element assembly is matched with the outer shell through the first interface connecting piece, quick installation and disassembly are achieved, and the filter element assembly is convenient for a user to clean the inside of the filter element assembly after being disassembled.)

1. The utility model provides a water filtering device, is applied to the water heater, and it includes shell body (1) and first filter element group spare (2), its characterized in that, first filter element group spare (2) install the inside of shell body (1), first filter element group spare (2) through first interface connection spare (14) with shell body (1) link to each other.

2. A water filtering device according to claim 1, characterized in that it further comprises a second connection member by means of which the other end of the first filter element assembly (2) is connected to the outer casing (1).

3. A water filtering device according to claim 2, characterized in that the first filter element module (2) is filled with water purification particles (27).

4. A water filtering device according to claim 3, wherein the second connection member is a second interface connection member (13), and the second interface connection member (13) is matched with the first interface connection member (14) to connect both ends of the first filter element assembly (2) with the outer casing (1).

5. A water filtering device according to claim 3, wherein the second connection member is a water valve body (17), and the water valve body (17) cooperates with the first interface connection member (14) to connect both ends of the first filter element assembly (2) to the outer housing (1).

6. A water filtering device according to claim 3, wherein the second connecting member is a profiled projection (112), and the profiled projection (112) cooperates with the first interface connection (14) to connect the two ends of the first cartridge assembly (2) to the outer housing (1).

7. A water filtering device according to claim 4, characterized in that the first filter element assembly (2) comprises a filter element housing (21) and a filter screen (22), the filter element housing (21) is provided with a filter screen frame (211), and the filter screen (22) is arranged on the filter screen frame (211).

8. Water filtering device according to claim 4, wherein the first filter element assembly (2) comprises a filter element housing (21), a filter screen (22) and a lower end cap (24), the filter element housing (21) is provided with a filter screen frame (211), and the lower end cap (24) is connected with the filter screen frame (211) through a buckle or a screw thread.

9. A water filtering device according to claim 4, characterized in that the first filter element assembly (2) comprises a filter element housing (21), a filter screen (22) and a first upper end cover (23), the filter element housing (21) is provided with a filter screen frame (211), and the first upper end cover (23) is connected with the filter screen frame (211) through a buckle or a screw thread.

10. A water filtering device according to claim 6, wherein the first filter element assembly (2) comprises a filter element housing (21), a filter screen (22) and a second upper end cover (23a), the filter element housing (21) is provided with a filter screen frame (211), and the first upper end cover (23a) is connected with the filter screen frame (211) through a buckle or a screw thread.

11. A water filtering device according to any one of claims 7-9, characterized in that the first filter element assembly (2) further comprises a small screen (26) for preventing clean water particles from being washed away by the water, the small screen (26) being provided on the filter element housing (21).

12. A water filtering device according to claim 7, 9 or 10, characterized in that the cartridge housing (21) is provided with a straight handle (216) or an annular dental cap (217).

13. Water filtering device according to claim 8, wherein said lower end cap (24) is provided with a straight handle (216) or an annular dental cap (217).

14. Water filtering device according to claim 5, wherein the first filter element assembly (2) comprises a filter element housing (21) and a filter screen (22), the filter element housing (21) is provided with a filter screen frame (211), and the filter screen (22) is arranged on the filter screen frame (211).

15. Water filtering device according to claim 5, wherein the first filter element assembly (2) comprises a filter element housing (21), a filter screen (22) and a lower end cap (24), the filter element housing (21) is provided with a filter screen frame (211), and the lower end cap (24) is connected with the filter screen frame (211) through a buckle or a screw thread.

16. A water filtering device according to claim 5, characterized in that the first filter element assembly (2) comprises a filter element housing (21), a filter screen (22) and a first upper end cover (23), the filter element housing (21) is provided with a filter screen frame (211), and the first upper end cover (23) is connected with the filter screen frame (211) through a buckle or a screw thread.

17. A water filtering device according to any one of claims 14-16, wherein the first filter element assembly (2) further comprises a small screen (26) for preventing clean water particles from being washed away by the water, the small screen (26) being provided on the cartridge housing (21).

18. A water filtering device as claimed in claim 14 or 16, characterized in that the cartridge housing (21) is provided with a straight handle (216) or an annular dental cap (217).

19. Water filtering device according to claim 8, wherein said lower end cap (24) is provided with a straight handle (216) or an annular dental cap (217).

20. Water filtering device according to claims 7-9, characterized in that the lower end cap (24) is provided with a drain screw (28).

21. Water filtering device according to any one of the claims 1-6, wherein the outer casing (1) is provided with a non-return valve (29).

22. A water filtering device according to any one of claims 7, 8, 9, 10, 14, 15 or 16 wherein the mesh size of the screen (22) is greater than 60 mesh.

23. A water filtering device according to claim 6, characterized in that it comprises a second filter element module (5), said second filter element module (5) being of metal.

24. The water filtering device according to claim 23, wherein the second filter element assembly (5) comprises a straight filter element tube (51), an annular end cap (52), a circular filter screen (53) and a pressing plate (54), the annular end cap (52) is covered at two ends of the straight filter element tube (51), the circular filter screen (53) is arranged in the annular end cap (52), and the pressing plate (54) is pressed against the circular filter screen (53) and covered in the annular end cap (52).

25. Water filtering device according to claim 5, wherein the water valve body (17) is provided with a water valve outer ring hole (171), a water valve inner hole (172), a water inlet port (173) and a water outlet port (174), wherein the water valve outer ring hole (171) and the water valve inner hole (172) are coaxially and cocurrently designed, the water valve outer ring hole (171) is communicated with the water inlet port (173), and the water valve inner hole (172) is communicated with the water outlet port (174).

26. The water filtering device according to claim 5, wherein the water valve body (17) is provided with a water valve outer ring hole (171), a water valve inner hole (172), a water inlet interface (173) and a water outlet interface (174), wherein the water inlet interface (173) of the water valve body (17) is perpendicular to the central axis of the water valve inner hole (172), and the water outlet interface (174) of the water valve body (17) is coaxial with the water inlet interface (173).

27. The water filtering device according to claim 5, wherein the water valve body (17) is provided with a water valve outer ring hole (171), a water valve inner hole (172), a water inlet connector (173) and a water outlet connector (174), wherein the water inlet connector (173) and the water outlet connector (174) of the water valve body (17) are perpendicular to a central axis of the water valve inner hole (172), and the water outlet connector (174) of the water valve body (17) is perpendicular to the water inlet connector (173).

28. A water filtering device according to claim 8, 10 or 16, characterized in that the outer casing (1) is provided with an intermediate partition (10), the first cartridge module (2) being in a mating connection with the intermediate partition (10), and the first cartridge module (5) being in a mating connection with the intermediate partition (10).

29. A water heater including a water filtering device as claimed in any one of claims 1 to 28.

Technical Field

The invention relates to the field of water heaters and filtering devices, in particular to a water filtering device and a water heater using the same.

Background

As shown in fig. 1, the water heater in the market at present protects the built-in water flow detection device B of the water heater a from being stuck through the simple filtering device, the mesh number of the used small-sized filter screen C is less than 60, and the water heater can only isolate impurities with the particle size of more than 0.25mm, and can not effectively isolate harmful substances such as tiny particles, worm eggs and the like in tap water. After the water heater is used for a long time, the small filter screen is easy to block, the flow of tap water is greatly reduced, and the normal use of the water heater is influenced; in addition, the filter screen is fixed in the water inlet joint, so that the assembly, disassembly and cleaning are very inconvenient.

Therefore, some users add a preposed precision filter at the water inlet end A of the water heater, which can further improve the water quality, improve the water flow and facilitate the daily maintenance. However, the pre-precise filter is expensive and requires a water pipe externally connected.

Disclosure of Invention

The invention mainly aims to provide a water filtering device which can overcome the defects, is arranged in a water heater, and has a simple structure and easy assembly and disassembly.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the utility model provides a water filtering device, its includes shell body and first filter element group spare, first filter element group spare install the inside of shell body, first filter element group spare through first interface connection spare with the shell body link to each other.

In the above technical solution, it further includes a second connector, and the other end of the first filter element assembly is connected to the outer housing through the second connector.

In the technical scheme, the first filter element component is filled with water purification particles.

In the above technical solution, the second connector is a second interface connector, and the second interface connector cooperates with the first interface connector to connect two ends of the first filter element assembly with the outer housing.

In the above technical scheme, the second connecting piece is a water valve body, and the water valve body is matched with the first interface connecting piece to connect the two ends of the first filter element assembly with the outer shell.

In the above technical solution, the second connecting member is a press-shaped protruding block, and the press-shaped protruding block is matched with the first interface connecting member to connect the two ends of the first filter element assembly with the outer housing.

In the above technical scheme, first filter element group spare include filter core shell and filter screen, filter core shell be equipped with filter screen frame, the filter screen setting be in filter screen frame on.

In the above technical scheme, first filter element group spare include filter core shell, filter screen and lower end cover, filter core shell be equipped with filter screen frame, the lower end cover with filter screen frame pass through buckle or threaded connection.

In the above technical scheme, first filter element group spare include filter core shell, filter screen and first upper end cover, filter core shell be equipped with filter screen frame, first upper end cover with filter screen frame pass through buckle or threaded connection.

In the above technical scheme, first filter element group spare include filter core shell, filter screen and second upper end cover, filter core shell be equipped with filter screen frame, first upper end cover with filter screen frame pass through buckle or threaded connection.

In the above technical scheme, the first filter element assembly further comprises a small filter screen capable of preventing water purification particles from being washed away by water, and the small filter screen is arranged on the filter element shell.

In the technical scheme, the filter element shell is provided with a linear handle or an annular tooth cap.

In the technical scheme, the lower end cover is provided with a linear handle or an annular tooth cap.

In the above technical scheme, first filter element group spare include filter core shell and filter screen, filter core shell be equipped with filter screen frame, the filter screen setting be in filter screen frame on.

In the above technical scheme, first filter element group spare include filter core shell, filter screen and lower end cover, filter core shell be equipped with filter screen frame, the lower end cover with filter screen frame pass through buckle or threaded connection.

In the above technical scheme, first filter element group spare include filter core shell, filter screen and first upper end cover, filter core shell be equipped with filter screen frame, first upper end cover with filter screen frame pass through buckle or threaded connection.

In the technical scheme, the first filter element assembly (2) further comprises a small filter screen (26) capable of preventing purified water particles from being washed away by water, and the small filter screen (26) is arranged on the filter element shell (21).

In the technical scheme, the filter element shell is provided with a linear handle or an annular tooth cap.

In the technical scheme, the lower end cover is provided with a linear handle or an annular tooth cap.

In the technical scheme, the lower end cover is provided with a water discharging screw plug.

In the above technical scheme, the outer shell is provided with a one-way valve.

In the technical scheme, the mesh number of the filter screen is larger than 60 meshes.

In the technical scheme, the filter element assembly comprises a second filter element assembly, and the second filter element assembly is a metal product.

In the technical scheme, the second filter element component comprises a filter element straight pipe, an annular end cover, a circular filter screen and a pressing plate, wherein the annular end cover is arranged at two ends of the filter element straight pipe, the circular filter screen is arranged in the annular end cover, and the pressing plate is pressed tightly the circular filter screen and the circular filter screen are arranged in the annular end cover.

In the above technical scheme, the water valve body be equipped with water valve outer annular ring, water valve hole, interface of intaking and the interface of going out water, wherein the water valve outer annular ring with the design of water valve hole for coaxial syntropy, just the water valve outer annular ring with the interface intercommunication of intaking, the water valve hole with the interface intercommunication of going out water.

In the above technical scheme, the water valve body be equipped with water valve outer annular ring, water valve hole, interface and the interface of going out of intaking, wherein the water valve body the interface of intaking perpendicular to water valve hole axis, the water valve body go out the water interface with the interface of intaking coaxial.

In the above technical scheme, the water valve body be equipped with water valve outer annular ring, water valve hole, interface and the interface of going out of intaking, wherein the water valve body the interface of intaking and the water outlet joint all perpendicular to water valve hole axis, just the water valve body the interface of going out of water perpendicular to the interface of intaking.

In the technical scheme, the outer shell is provided with a middle partition plate, the first filter element assembly is connected with the middle partition plate in a matched mode, and the first filter element assembly is connected with the middle partition plate in a matched mode.

A water heater comprises the water filtering device.

After the technical scheme is adopted, the water filtering device is simple in structure, the filter element assembly is matched with the outer shell through the first interface connecting piece, quick installation and disassembly are achieved, and the filter element assembly is convenient for a user to clean the inside of the filter element assembly after being disassembled.

Drawings

FIG. 1 is a schematic view of a conventional water heater with a small screen at the water inlet end;

FIG. 2 is a first schematic diagram of the internal structure of the present invention;

FIG. 3 is a first schematic structural diagram of the outer casing of the present invention;

FIG. 4 is a second schematic structural diagram of the outer casing of the present invention;

FIG. 5 is a first filter element assembly configuration of the present invention;

FIG. 6 is a schematic illustration of a second filter element assembly configuration according to the present invention;

FIG. 7 is a schematic illustration of a third configuration of a first filter element assembly of the present invention;

FIG. 8 is a fourth schematic structural view of a first filter element assembly of the present invention;

FIG. 9 is a fifth schematic structural view of a first filter element assembly of the present invention;

FIG. 10 is a sixth schematic structural view of a first filter element assembly of the present invention;

FIG. 11 is a seventh schematic structural view of the first filter element assembly of the present invention;

FIG. 12 is a second schematic view of the internal structure of the present invention;

FIG. 13 is a first schematic view of the filter assembly of the present invention installed in the water inlet end of a water heater;

FIG. 14 is a first schematic view of the filter assembly of the present invention installed at the outlet end of a water heater;

FIG. 15 is a first schematic view of the filter assembly of the present invention installed at the water inlet and outlet ends of a water heater, respectively;

FIG. 16 is a second schematic view of the filter assembly of the present invention installed in the water inlet end of a water heater;

FIG. 17 is a third schematic view of the filter assembly of the present invention installed in the water inlet end of a water heater;

FIG. 18 is an enlarged schematic view of the invention at D;

FIG. 19 is a third schematic view of the internal structure of the present invention;

FIG. 20 is a fourth schematic structural view of the outer housing of the present invention;

FIG. 21 is a fifth schematic structural view of the outer housing of the present invention;

FIG. 22 is a schematic view eight of the first filter element assembly configuration of the present invention;

FIG. 23 is a schematic illustration nine of a first filter cartridge assembly configuration of the present invention;

FIG. 24 is a schematic ten structural view of a first filter element assembly of the present invention;

FIG. 25 is a schematic eleventh embodiment of a first cartridge assembly of the present invention;

FIG. 26 is a fourth schematic view of the internal structure of the present invention;

FIG. 27 is a first schematic structural view of a second filter element assembly of the present invention;

FIG. 28 is a second filter element assembly configuration of the present invention;

FIG. 29 is a schematic illustration of a third construction of a second filter element assembly according to the present invention;

FIG. 30 is a fourth schematic structural view of a second filter element assembly of the present invention;

FIG. 31 is a second schematic view of the filter assembly of the present invention installed in the water inlet end of a water heater;

FIG. 32 is a second schematic view of the filter assembly of the present invention installed at the outlet end of a water heater;

FIG. 33 is a second schematic view of the filter assembly of the present invention installed at the water inlet and outlet ends of a water heater, respectively;

FIG. 34 is a third schematic view of the filter assembly of the present invention installed in the water inlet end of a water heater;

FIG. 35 is a fourth schematic view of the filter assembly of the present invention installed at the outlet end of a water heater;

FIG. 36 is a fifth internal structural view of the present invention;

FIG. 37 is a sixth schematic structural view of the outer housing of the present invention;

FIG. 38 is a seventh structural view of the outer housing of the present invention;

FIG. 39 is a schematic view of the outer housing construction of the present invention;

FIG. 40 is a ninth structural schematic of the outer housing of the present invention;

FIG. 41 is a tenth schematic structural view of the outer housing of the present invention;

FIG. 42 is a sixth schematic internal view of the present invention;

FIG. 43 is a first perspective view of the present invention;

FIG. 44 is a third schematic view of the filter assembly of the present invention installed in the water inlet end of a water heater;

FIG. 45 is a third schematic view of the filter assembly of the present invention installed at the outlet end of a water heater;

FIG. 46 is a third schematic view of the filter assembly of the present invention installed at the water inlet and outlet ends of a water heater, respectively;

FIG. 47 is a fourth schematic view of the filter assembly of the present invention installed in the water inlet end of a water heater;

FIG. 48 is a fifth schematic view of the filter assembly of the present invention installed at the outlet end of a water heater.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.