Faucet detachable replacement filter structure

Abstract

The utility model discloses a faucet can dismantle and change filter structure, including faucet main part and filter component, faucet main part is provided with the faucet waterway intercommunication of faucet water inlet and faucet water outlet, and the faucet waterway forms the installation cavity, filter component is including filter core support and multistage filter core, and multistage filter core respectively can dismantle and install in filter core support, and filter component can dismantle and install into the installation cavity, and after installing into the installation cavity, make the water flow from the faucet water inlet, and the water flow to the faucet water outlet through the faucet waterway, when flowing to the installation cavity, gradually filter through each level filter core in proper order. The utility model provides a faucet filter structure, realizes in simple structure, can have better water flow filtering effect, and is easy to maintain.

Description

Technical Field

[0001] This utility model relates to the field of faucet technology, and in particular to a faucet with a replaceable filter structure. Background Technology

[0002] Water purifiers and other household water filtration devices are currently very popular. The main types of water purifiers available today are as follows:

[0003] The first type is a whole-house water purifier. This type of water purifier is bulky, expensive, and has high maintenance costs, making it suitable for a very limited number of families.

[0004] The second type is a kitchen water purifier installed in a cabinet. Although this type of water purifier is smaller than the first type, it still requires a separate cabinet space, and the filtered water flow can usually only supply one kitchen faucet, making it less flexible in use.

[0005] The third type is the faucet water purifier. Since it is usually installed on the water outlet of the faucet, its structural design is very limited. It can only achieve simple single-stage filtration, making it difficult to guarantee the quality of the water and it is not aesthetically pleasing.

[0006] In conclusion, what is needed now is a faucet filter structure that is simple in design, provides better water filtration, and is easy to maintain. Utility Model Content

[0007] The purpose of this utility model is to provide a detachable filter structure for a faucet. The technical problem to be solved is how to provide a faucet filter structure that is simple in structure, has a better water filtration effect, and is easy to maintain.

[0008] To achieve the above objectives, the solution of this utility model is: a faucet with a replaceable filter structure, including a faucet body and a filter assembly;

[0009] The faucet body is equipped with a faucet inlet and a faucet outlet connected by a faucet water passage, which forms an installation cavity;

[0010] The filter assembly includes a filter element holder and multiple filter elements. The multiple filter elements are detachably installed in the filter element holder. The filter assembly can be detachably installed into the installation cavity. After installation, the water flowing from the faucet inlet to the faucet outlet flows through the installation cavity and passes through each filter element for filtration.

[0011] Furthermore, the multi-stage filter element includes a second filter element, and a filter chamber is formed inside the filter element frame. The filter chamber has a filter chamber inlet and a filter chamber outlet. The second filter element is installed in the filter chamber. Water flowing into the filter chamber from the filter chamber inlet flows out from the filter chamber outlet after being filtered by the second filter element, thus realizing the filtration of water through the second filter element.

[0012] Furthermore, the multi-stage filter element also includes a first filter element. After the first filter element is installed on the filter element holder, it seals the inlet end of the filter chamber inlet, so that the water can enter the filter chamber inlet only after the water has been filtered by the first filter element. This allows the water in the installation chamber to be filtered step by step through the first filter element and the second filter element.

[0013] Furthermore, the filter element frame has a plug-in portion on its outer surface, and the water inlet end of the filter chamber inlet is located on the plug-in portion. The first filter element can be detachably installed onto the filter element frame by interlocking with the plug-in portion.

[0014] Furthermore, the outer surface of the filter element holder is formed with a hollow support portion for fitting and supporting the outer periphery of the first filter element. The hollow support portion only makes way for the first filter element in the insertion and removal direction of the insertion portion.

[0015] Furthermore, the inner wall of the mounting cavity and / or the outer wall of the filter element frame are provided with a sealing element. When the filter assembly is installed into the mounting cavity, the sealing element divides the mounting cavity located on the outer periphery of the filter assembly into a first chamber located on one side of the sealing element and a second chamber located on the other side of the sealing element. The first filter element is located in the first chamber. The first chamber is connected to the faucet inlet, the second chamber is connected to the faucet outlet, and the filter chamber outlet is connected to the second chamber, so that the water flowing in the first chamber is filtered by the first filter element, enters the filter chamber, is filtered by the second filter element, and is discharged to the second chamber.

[0016] Furthermore, the first filter element is a carbon fiber filter element, and the second filter element is a filter material with adsorption properties.

[0017] Furthermore, the filter chamber can be opened or closed, and when opened, it allows the second filter element to be installed or removed. The filter element frame includes a detachable first half and a second half, and the filter chamber is formed between the first half and the second half, so that the filter chamber can be opened when the first half and the second half are separated.

[0018] Furthermore, the mounting cavity forms an mounting opening on the surface of the faucet body. The filter assembly is inserted into or pulled out of the mounting cavity from the mounting opening. An end cap is formed at the end of the filter assembly. After the filter assembly is inserted into the mounting cavity, the end cap seals the mounting opening.

[0019] Furthermore, the multi-stage filter element includes a carbon fiber filter element and an adsorbent filter media arranged sequentially.

[0020] The beneficial effects of this utility model after adopting the above solution are as follows: the faucet body's water passage forms an installation cavity, the filter assembly includes a filter element frame and multi-stage filter elements, the multi-stage filter elements are detachably installed on the filter element frame, the filter assembly can be detachably installed into the installation cavity, and after being installed into the installation cavity, the water flowing from the faucet inlet to the faucet outlet through the faucet water passage passes through each stage of filter elements for step-by-step filtration when it flows into the installation cavity, thus achieving water filtration through a simple structure. The multi-stage filter element setting can achieve a better water filtration effect, and while setting multiple stages of filter elements, each filter element is installed on a filter element frame. During maintenance, it is only necessary to first remove the entire filter element frame from the installation cavity, and then remove the filter element to be maintained from the filter element frame for maintenance or replacement as needed, making maintenance very convenient. Attached Figure Description

[0021] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0022] Figure 2 This is a partial cross-sectional view of the mounting cavity of this utility model;

[0023] Figure 3 An exploded view of the filter assembly of this utility model with the installation cavity removed;

[0024] Figure 4 This is a partial cross-sectional view of the filter assembly of this utility model with the mounting cavity removed and the mounting cavity cut open.

[0025] Figure 5 This is a three-dimensional structural diagram of the filter assembly of this utility model;

[0026] Figure 6 This is a cross-sectional view of the filter assembly of this utility model;

[0027] Figure 7 This is an exploded view of the filter assembly of this utility model;

[0028] Figure 8 This is an exploded cross-sectional view of the filter assembly of this utility model.

[0029] Labeling Explanation: 1-Faucet body, 2-Filter assembly, 4-Faucet inlet, 5-Faucet outlet, 6-Installation chamber, 7-Filter cartridge holder, 8-Filter chamber, 9-Filter chamber inlet, 10-Filter chamber outlet, 11-Second filter cartridge, 12-First filter cartridge, 13-Plug-in part, 14-Hollowed support part, 15-Seal, 16-First chamber, 17-Second chamber, 18-First half, 19-Second half, 20-Installation port, 21-End cap, 22-Water purification switch valve. Detailed Implementation

[0030] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0031] Unless otherwise expressly defined, the use of directional terms such as "center," "lateral," "longitudinal," "horizontal," "vertical," "top," "bottom," "inner," "outer," "upper," "lower," "front," "rear," "left," "right," "clockwise," and "counterclockwise" in the claims, description, and accompanying drawings of this invention is merely for the convenience of describing the invention and simplifying the description, and is not intended to indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the specific scope of protection of this invention.

[0032] This utility model provides a faucet with a replaceable filter structure, such as Figure 1-8 As shown, the device includes a faucet body 1 and a filter assembly 2. The faucet body 1 has a faucet inlet 4 and a faucet outlet 5 connected via a water path. The faucet inlet 4 connects to a household water supply network or other water source devices. Water from the water source device enters the faucet water path through the inlet 4, flows through the water path to the outlet 5, and then sprays out from the outlet 5. A water purification valve 22 is also installed in the water path to open and close the connection between the faucet inlet 4 and the outlet 5. The water path forms an installation cavity 6 for installing the filter assembly 2. The filter assembly 2 includes a filter element holder 7 and multi-stage filter elements. The multi-stage filter elements are detachably installed on the filter element holder 7. The filter assembly 2 can be detachably installed into the mounting cavity 6. After being installed into the mounting cavity 6, the water flowing from the faucet inlet 4 through the faucet water path to the faucet outlet 5 flows through the mounting cavity 6 and passes through each stage of filter elements for step-by-step filtration. The specific cooperation structure between the mounting cavity 6 and the filter assembly 2, as well as the specific structure of each stage of filter elements installed on the filter element holder 7 of the filter assembly 2, are not specifically limited. Those skilled in the art can implement them according to actual needs, combined with the water circuit design techniques commonly used in the field, as long as the above functions can be achieved. Preferred structures are given later.

[0033] Specifically, in this embodiment, a two-stage filter element is provided, namely, the multi-stage filter element includes a first filter element 12 and a second filter element 11. For the purpose of filtration effect, the first filter element 12 is preferably a carbon fiber filter element, and the second filter element 11 is preferably an adsorbent filter material. Of course, other filter element designs can be added on the basis of this two-stage filter element design, without limitation. The second filter element 11 is preferably installed with the following structure: a filter chamber 8 is formed inside the filter element frame 7. The filter element frame 7 is generally cylindrical. The filter chamber 8 is formed on one axial side of its cylindrical shape, and a hollow support part 14 (described in detail later) is formed on the other side. The filter chamber 8 has a filter chamber inlet 9 and a filter chamber outlet 10. The filter chamber inlet 9 is specifically located at one axial end of the filter chamber 8, facing the hollow support part 14. The filter chamber outlet 10 is located on the outer peripheral wall. The second filter element 11 is installed in the filter chamber 8. The water flowing into the filter chamber 8 from the filter chamber inlet 9 flows out from the filter chamber outlet 10 after being filtered by the second filter element 11, thus realizing the filtration of the water flow through the second filter element 11. After the first filter element 12 is installed into the filter element holder 7, the inlet end of the filter chamber inlet 9 is sealed, so that water can only enter the filter chamber inlet 9 after being filtered by the first filter element 12. This achieves staged filtration of water in the installation chamber 6 through the first filter element 12 and the second filter element 11, with a focus on combining... Figure 6 As shown, more specifically, the filter element frame 7 has an insertion part 13 formed on its outer surface. The insertion part 13 is located inside the hollow support part 14. The water inlet end of the filter chamber inlet 9 is located on the insertion part 13. The first filter element 12 can be detachably installed on the filter element frame 7 by interlocking with the insertion part 13. More specifically in this embodiment, the insertion part 13 is a cylindrical structure protruding on the filter element frame 7. The first filter element 12 is cylindrical and is fitted onto the cylindrical insertion part 13. The middle channel of the cylindrical shape is closed and cannot pass through water. The side wall of the cylindrical shape allows water to flow through the filter.

[0034] In order to stably support the first filter element 12 and prevent it from falling off, in a preferred embodiment, the filter element frame 7 has a hollow support portion 14 formed on its outer surface for fitting and supporting the outer periphery of the first filter element 12. The hollow support portion 14 only makes room for the first filter element 12 in the insertion and removal direction of the first filter element 12 and the insertion portion 13, supporting the cylindrical outer wall of the first filter element 12. Since it is hollow, water can flow through and reach the outer surface of the first filter element 12.

[0035] To facilitate the easy insertion of the filter assembly 2 into the mounting cavity 6, in a preferred embodiment, the mounting cavity 6 has a mounting opening 20 formed on the surface of the faucet body 1. The filter assembly 2 is inserted into or removed from the mounting cavity 6 through the mounting opening 20. An end cap 21 is formed at the end of the filter assembly 2. After the filter assembly 2 is inserted into the mounting cavity 6, the end cap 21 seals the mounting opening 20. More specifically, the outer wall of the filter assembly 2 has external threads, while the inner wall of the mounting cavity 6 has internal threads. The filter assembly 2 is fixed in the mounting cavity 6 by the screw connection of the internal and external threads. A sealing element 15 is provided on the inner wall of the mounting cavity 6 and / or the outer wall of the filter element frame 7. In this embodiment, the sealing element 15 is specifically arranged around the filter element frame 7. When the filter assembly 2 is installed into the mounting cavity 6, the sealing ring on the outer wall divides the mounting cavity 6 located on the outer periphery of the filter assembly 2 into a first chamber 16 located on one side of the sealing ring 15 and a second chamber 17 located on the other side of the sealing ring 15. The first filter element 12 is located in the first chamber 16. The first chamber 16 is connected to the faucet inlet 4, the second chamber 17 is connected to the faucet outlet 5, and the filter chamber outlet 10 is connected to the second chamber 17, so that the water in the first chamber 16 is filtered by the first filter element 12, enters the filter chamber 8, is filtered by the second filter element, and is discharged to the second chamber 17, and then discharged from the second chamber 17 to the faucet outlet 5.

[0036] To facilitate the replacement of the second filter element 11, in a preferred embodiment, the filter chamber 8 can be opened or closed, allowing the second filter element 11 to be inserted or removed. Specifically, the filter element holder 7 includes a detachable first half 18 and a second half 19. The filter chamber 8 is formed between the first half 18 and the second half 19 and is assembled from the first half 18 and the second half 19. When the first half 18 and the second half 19 are separated, the filter chamber 8 is opened. After the first half 18 and the second half 19 are assembled, they can be fixed by a snap-fit ​​mechanism.

[0037] The above description is only a preferred embodiment of this utility model and is not intended to limit the design of this case. All equivalent changes made based on the key design of this case shall fall within the protection scope of this case.

Claims

1. A faucet with a replaceable filter structure, characterized in that: It includes the main body of the faucet (1) and the filter assembly (2); The faucet body (1) is provided with a faucet inlet (4) and a faucet outlet (5) connected by a faucet water passage, and the faucet water passage forms an installation cavity (6); The filter assembly (2) includes a filter element frame (7) and multi-stage filter elements. The multi-stage filter elements are detachably installed on the filter element frame (7). The filter assembly (2) can be detachably installed into the installation cavity (6). After being installed into the installation cavity (6), the water flowing from the faucet inlet (4) to the faucet outlet (5) flows through the installation cavity (6) and passes through each stage of filter elements for step-by-step filtration.

2. The faucet replaceable filter structure as described in claim 1, characterized in that: The multi-stage filter element includes a second filter element (11). A filter chamber (8) is formed inside the filter element frame (7). The filter chamber (8) has a filter chamber inlet (9) and a filter chamber outlet (10). The second filter element (11) is installed in the filter chamber (8). The water flowing into the filter chamber (8) from the filter chamber inlet (9) flows out from the filter chamber outlet (10) after being filtered by the second filter element (11), thus realizing the filtration of the water flow through the second filter element (11).

3. The faucet replaceable filter structure as described in claim 2, characterized in that: The multi-stage filter element also includes a first filter element (12). After the first filter element (12) is installed on the filter element frame (7), the inlet end of the filter chamber inlet (9) is blocked, so that the water flow can enter the filter chamber inlet (9) only after passing through the first filter element (12) for filtration, so that the water flow in the installation cavity (6) passes through the first filter element (12) and the second filter element (11) for filtration in stages.

4. The faucet replaceable filter structure as described in claim 3, characterized in that: The filter element holder (7) has a plug-in part (13) on its outer surface. The water inlet end of the filter chamber inlet (9) is located on the plug-in part (13). The first filter element (12) can be detachably installed on the filter element holder (7) by interlocking with the plug-in part (13).

5. The faucet replaceable filter structure as described in claim 4, characterized in that: The filter element holder (7) has a hollow support portion (14) formed on its outer surface for fitting and supporting the outer periphery of the first filter element (12). The hollow support portion (14) only makes way for the first filter element (12) in the insertion and removal direction of the first filter element (12) and the insertion portion (13).

6. The faucet replaceable filter structure as described in claim 3, characterized in that: The inner wall of the mounting cavity (6) and / or the outer wall of the filter element frame (7) are provided with a sealing element (15). When the filter assembly (2) is installed into the mounting cavity (6), the sealing element (15) divides the mounting cavity (6) located on the outer periphery of the filter assembly (2) into a first chamber (16) located on one side of the sealing element (15) and a second chamber (17) located on the other side of the sealing element (15). The first filter element (12) is located in the first chamber (16). The first chamber (16) is connected to the faucet inlet (4). The second chamber (17) is connected to the faucet outlet (5). The filter chamber outlet (10) is connected to the second chamber (17) so that the water in the first chamber (16) is filtered by the first filter element (12), enters the filter chamber (8), is filtered by the second filter element, and is discharged to the second chamber (17).

7. The faucet replaceable filter structure as described in claim 3, characterized in that: The first filter element (12) is a carbon fiber filter element, and the second filter element (11) is a filter material with adsorption properties.

8. The faucet replaceable filter structure as described in claim 2, characterized in that: The filter chamber (8) can be opened or closed. When opened, it allows the second filter element (11) to be installed or removed. The filter element holder (7) includes a first half (18) and a second half (19) that can be detachably assembled. The filter chamber (8) is formed between the first half (18) and the second half (19) so that the filter chamber (8) can be opened when the first half (18) and the second half (19) are separated.

9. The faucet replaceable filter structure as described in claim 1, characterized in that: The mounting cavity (6) forms a mounting port (20) on the surface of the faucet body (1). The filter assembly (2) is inserted into or pulled out of the mounting cavity (6) through the mounting port (20). An end cap (21) is formed at the end of the filter assembly (2). After the filter assembly (2) is inserted into the mounting cavity (6), the end cap (21) seals the mounting port (20).

10. The faucet replaceable filter structure as described in claim 1, characterized in that: Multi-stage filter cartridges consist of carbon fiber filter cartridges and adsorbent filter media arranged sequentially.

Images