TWM647525U - Cartridge and water purifier - Google Patents

Abstract

The new model discloses a filter element and a water purifier. The filter element includes a main filter element, and the main filter element includes a main housing and a main filter element body. The main housing is provided with a first water inlet, a first water outlet, an interlayer cavity and a built-in cavity. The first water inlet The first water outlet and the interlayer cavity are connected and arranged, the built-in cavity is located inside the interlayer cavity and the two are separated, and the main filter element body is located in the interlayer cavity. The main filter element disclosed in the present invention can be used alone or in combination with an internal filter element, allowing the user to combine filter elements according to needs to achieve multi-stage filtration. At the same time, part or all of the filter element can be selectively replaced to Save core replacement costs.

Description

Filter elements and water purifiers

The invention belongs to the technical field of water purifiers, and particularly relates to a filter element and a water purifier.

The filter element is an important component of the water purifier. It can filter the water through the filter element to ensure the quality of the water. It is now possible to combine filter elements with different filtration functions such as pre-filtration and fine filtration into the same filter element. However, this kind of filter element needs to be replaced as a whole, which leads to high replacement costs and users cannot choose the filter element. Some filtering functions.

In view of the above defects, this new model provides a filter element and a water purifier. You can choose to replace the filter element as a whole or replace part of the filter element individually to save the cost of element replacement. You can also choose to use part of the filtration function in the filter element.

A filter element includes a main filter element, and the main filter element includes a main housing and a main filter element body, wherein the main housing is provided with a first water inlet, a first water outlet, an interlayer cavity and a built-in cavity, and the first inlet The water inlet, the first water outlet and the interlayer cavity are connected and arranged, the built-in cavity is located inside the interlayer cavity and the two are separated, and the main filter element body is located in the interlayer cavity.

Preferably, the main filter element body includes a main filter material and a first end cap, and the first end cap is provided at an end of the main filter material.

Preferably, the built-in cavity can be used to accommodate an internal filter element.

Preferably, the filter element further includes a plurality of internal filter elements, and the internal filter elements are detachably installed in the built-in cavity. When there are multiple internal filter elements, there is a gap between the internal filter elements. Nested settings.

Preferably, the internal filter element includes a first internal filter element, the first internal filter element includes a first internal filter material, a second end cover and a first top cover, and the first internal filter material is located in the internal filter element. In the cavity, the second end cover is provided at the end of the first internal filter material, the first top cover is provided with a second water inlet and a second water outlet, and the first top cover and the main main cover are provided with a second water inlet and a second water outlet. The housing can be detachably connected.

Preferably, the internal filter element further includes a second internal filter element, and the first internal filter element is provided with a water outlet cavity that accommodates the second internal filter element, wherein the water outlet cavity is connected to the second water outlet. , the second internal filter element is detachably installed in the water outlet chamber.

Preferably, the second inline filter element includes a second inline filter material, a third end cover and a second top cover, the third end cover is provided at an end of the second inline filter material, and the second inline filter element The top cover is provided with a third water outlet, and the second top cover and the first top cover are detachably connected.

Preferably, the first internal filter element is an RO filter element, the first top cover is further provided with a waste water outlet, and the inside of the central tube of the RO filter element forms the water outlet chamber.

Preferably, the first upper end cover of the first end cover is in sealing fit with the first extension wall of the main housing, and the second end cover is in sealing fit with the second extension wall of the first top cover, so The central tube is sealingly matched with the third extension wall of the first top cover.

The invention also discloses a water purifier, which is provided with a filter core cavity, and the above filter core is installed in the filter core cavity.

The beneficial effects of this new model are:

The present invention discloses a filter element that can be assembled and disassembled. The main filter element can be used alone or in combination with an internal filter element, so that users can combine filter elements according to their needs to achieve customized needs and multi-stage filtration. You can also selectively replace part or all of the filter element to save replacement costs.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

As shown in Figure 1, the new embodiment of the present invention provides a filter element, which includes a main filter element 1 and an internal filter element 2. As an alternative implementation, the internal filter element 2 may not be provided, but only the main filter element 1 may be provided. As shown in Figures 7 to 9, there are two internal filter elements 2, namely a first internal filter element 4 and a second internal filter element 5. Of course, one or three or more internal filter elements 2 can also be provided. , wherein the main filter element 1 and the first internal filter element 4 are detachably connected, and each internal filter element 2 is detachably connected, and each internal filter element 2 is nested. That is, the filter element in this embodiment includes a main body filter element 1 , a first internal filter element 4 and a second internal filter element 5 .

It should be noted that when the internal filter element 2 is not installed, the main filter element 1 can be used independently; when the internal filter element 2 is installed, an internal filter element (i.e. the first internal filter element in this embodiment) can be installed. Filter element 4) can either be installed with two internal filter elements (i.e. the first internal filter element 4 and the second internal filter element 5 in this embodiment) or can be installed with three internal filter elements 2 or can be installed with more than three internal filter elements. There are many combinations of filter element 2, that is, the main filter element 1 and several internal filter elements 2 can be used in combination. The present invention does not impose restrictions on the number and type of internal filter elements 2, which can be determined as needed.

As shown in Figures 2 and 3, the main filter element 1 includes a main shell and a main filter element body. The main filter element body includes a main filter material 11 and a first end cap. The first end cap is located at the end of the main filter material 11, wherein the first The end cap includes a first upper end cap 12 and a first lower end cap 13. The first upper end cap 12 is located at the end of the main filter material 11 close to the first water inlet 16. The first lower end cap 13 is located at the end of the main filter material 11 away from the first water inlet 16. The end of the water inlet 16. The first upper end cover 12 and the first lower end cover 13 are sealingly matched with the main filter material 11 and can be assembled and installed in the main housing.

As shown in FIGS. 2 and 3 , the main housing includes a main housing body 14 and a main housing cover 15 . The main housing cover 15 is sealingly matched with the main housing body 14 . The main shell is provided with a mezzanine cavity and a built-in cavity. Specifically, the interlayer cavity has an annular structure, and the interlayer cavity is used to accommodate the main filter element body. The main filter element 11 of the main filter element body can be a coarse filter material such as PP, carbon rods, etc. When the internal filter element 2 is not installed, the main filter element 1 It can be used independently after the assembly is completed; the built-in cavity has a columnar structure, the built-in cavity is located inside the sandwich cavity and the two are separated, and the built-in cavity can be used to accommodate the internal filter element 2.

The sealing fit between the first upper end cover 12 and the first extension wall of the main housing can be achieved by, for example, a sealing ring. As shown in Figure 3, the main housing is provided with a first water inlet 16 and a first water outlet 17. The first water inlet 16, the first water outlet 17 are connected with the mezzanine cavity, and the first end cover is connected with the main housing. The wall surfaces are not in contact but there is a gap through which water can enter, so that a sealed filter water channel can be formed between the first water inlet 16, the main filter material 11, and the first water outlet 17. Water enters the interlayer cavity through the first water inlet 16 , is filtered by the main filter material 11 , and flows out from the first water outlet 17 .

As shown in Figures 4 to 6, a first internal filter element 4 is detachably installed in the built-in cavity of the main housing. The first internal filter element 4 can be detachably connected to the main housing through screws or buckles. Specifically, the first internal filter element 4 can be a fine filter element, such as RO, nanofiltration, ultrafiltration, etc.; or a sterilization filter element, such as UV, vaporized aluminum fiber filter material (Disruptor), etc.; or some functional filter elements such as mineralization filter element wait.

As shown in FIGS. 5 and 6 , the first internal filter element 4 includes a first internal filter material 41 , a second end cover 42 and a first top cover 43 . Among them, the first internal filter material 41 is located in the built-in cavity; the second end cap 42 is provided at the end of the first internal filter material 41 close to the second water inlet 44. Of course, two second end caps 42 can also be provided and respectively Located at both ends of the first internal filter material 41, the details can be determined according to needs; the first top cover 43 is provided with a second water inlet 44 and a second water outlet 45, and the first top cover 43 and the main housing pass through the second water inlet 44 and the second water outlet 45. A top cover 43 and the main housing are detachably connected with the respective reserved mounting holes. When the second internal filter element 5 is not provided, the water filtered by the main body filter element 1 flows into the first internal filter element 4 from the second water inlet 44 , and flows out from the second water outlet 45 after being filtered by the first internal filter element 4 .

Specifically, the first internal filter element 4 in this embodiment can be an RO filter element. The first top cover 43 is also provided with a waste water port 46. The middle part of the RO filter element is a central tube. The second water outlet 45 is connected to the central tube. A wastewater channel connected to the wastewater port 46 is formed between the end cover 42 and the third extension wall of the first top cover 43. The wastewater generated by the RO filter element is first discharged through the wastewater channel and then through the wastewater port 46. The water filtered by the RO membrane of the RO filter element enters the central tube of the RO filter element and flows out through the second water outlet 45 . It should be noted that since the RO filter element contains waste water during filtration, a waste water port 46 is provided to discharge the waste water. Other filter elements without waste water do not need to set a waste water port 46.

As shown in Figures 7 to 9, on the basis of the main body filter element 1 and the first internal filter element 4, a second internal filter element 5 can also be installed. The first internal filter element 4 is provided with a water outlet cavity for accommodating the second internal filter element 5. The water outlet cavity is connected with the second water outlet 45, and the second internal filter element 5 is detachably installed in the water outlet cavity.

The second internal filter element 5 includes a second internal filter material 51 , a third end cap and a second top cover, wherein the third end cap is provided at the end of the second internal filter material 51 , and the third end cap includes a third upper end cap. 52 and the third lower end cap 53. The third upper end cap 52 is located at the end of the second internal filter material 51 close to the third water outlet 55. The third lower end cap 53 is located at the second internal filter material 51 away from the third water outlet 55. end. As an alternative implementation, the third lower end cover 53 may not be provided. For example, when the second internal filter element 5 is a ceramic filter element, only the third upper end cover 52 may be provided instead of the third lower end cover 53. Specifically, Determine based on needs. The second top cover 54 is provided with a third water outlet 55 , and the reserved mounting holes on the second top cover 54 can be detachably connected to the reserved mounting holes of the first top cover 43 .

It should be noted that on the basis that the first internal filter element 4 is an RO filter element, the second internal filter element 5 can be directly installed into the central tube of the RO filter element. The first internal filter element 4 and the second internal filter element located in the central tube The internal filter elements 5 share a water outlet. That is, the second water outlet 45 and the third water outlet 55 overlap. As shown by the arrow in Figure 9, the water filtered by the main filter element 1 enters the second water inlet 44. The second end cover 42 does not contact the wall of the built-in cavity, and enters the RO filter element through the formed water inlet gap for filtering. The water filtered by the RO filter element enters the central pipe and then enters the second internal filter element 5 for filtration. The water filtered by the second internal filter element 5 flows out from the third water outlet 55, and the waste water is discharged from the waste water outlet 46. It should be noted that since the central tube of the RO filter element can provide a water outlet cavity without the need for a separate one, if the first internal filter element 4 is an ultrafiltration, nanofiltration filter element, ceramic filter element, etc., an additional water outlet cavity needs to be set up to accommodate the third filter element. Two internal filter elements 5.

Specifically, the second internal filter element 5 can be a taste-improving filter element, such as carbon rods, granular carbon, etc.; or a sterilizing filter element, such as UV, vaporized aluminum fiber filter material (Disruptor), etc.; or some functional filter elements, such as mineralization filter elements, etc. . Among them, the second internal filter element 5 in this embodiment can be a taste filter element, and the taste filter element can be a taste carbon rod.

In this embodiment, there is a sealing fit between the main filter element 1 and the first internal filter element 4, a sealing fit between the first internal filter element 4 and the second internal filter element 5, and the first upper end cover 12 and the first part of the main housing. The extension wall is in a sealing fit, the second end cap 42 is in a sealing fit with the second extension wall of the first top cover 43 , and the central tube is in a sealing fit with the third extension wall of the first top cover 43 . The sealing fit 3 shown in the figure can be a sealing ring, rotary melt, glue, etc.

The above-mentioned filter element can be assembled and disassembled. The main filter element 1 can be used alone or in combination with the internal filter element 2, so that users can combine filter elements according to their needs to achieve customized needs, multi-stage filtration, and You can also selectively replace part or all of the filter element to save replacement costs.

The invention also discloses a water purifier. The water purifier is provided with a filter core cavity. The above-mentioned filter core is installed in the filter core cavity. The internal filter cores 2 are detachably installed in the built-in cavity. The internal filter cores 2 are nested between each other, wherein The lower-level internal filter element can be detachably installed in the water outlet cavity of the upper-level internal filter element, and the water path of the lower-level internal filter element is connected with the water path of the upper-level internal filter element.

Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it is still The technical solutions described in the foregoing embodiments may be modified, or some of the technical features may be equivalently replaced. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

1: Main filter element 11: Main filter material 12:First upper end cover 13:First lower end cap 14:Main shell body 15: Main housing cover 16:First water inlet 17:The first water outlet 2: Internal filter element 3: Sealing fit 4: The first internal filter element 41: The first internal filter material 42:Second end cap 43:First top cover 44:Second water inlet 45:Second water outlet 46:Waste water outlet 5: The second internal filter element 51: The second internal filter material 52:Third upper end cap 53:Third lower end cap 54:Second top cover 55:The third water outlet

In order to explain the technical solutions in the embodiments of the present invention more clearly, the drawings required in the embodiments will be briefly introduced below. Figure 1 is a schematic structural diagram of a filter element according to an embodiment of the present invention; Figure 2 is a schematic structural diagram of the main filter element according to an embodiment of the present invention; Figure 3 is a cross-sectional view of the main filter element of one embodiment of the present invention; Figure 4 is a schematic structural diagram of the main filter element and the first internal filter element according to an embodiment of the present invention; Figure 5 is an exploded schematic diagram of the main filter element and the first internal filter element according to one embodiment of the present invention; Figure 6 is a cross-sectional view of the main filter element and the first internal filter element according to one embodiment of the present invention; Figure 7 is a schematic structural diagram of the main filter element, the first internal filter element, and the second internal filter element according to one embodiment of the present invention; Figure 8 is an exploded schematic diagram of the main filter element, the first internal filter element, and the second internal filter element according to one embodiment of the present invention; Figure 9 is a cross-sectional view of the main filter element, the first internal filter element, and the second internal filter element according to one embodiment of the present invention.

1: Main filter element

2: Internal filter element

Claims (10)

A filter element, which includes a main filter element, and the main filter element includes a main housing and a main filter element body, wherein the main housing is provided with a first water inlet, a first water outlet, an interlayer cavity and a built-in cavity, and the first The water inlet, the first water outlet and the interlayer cavity are connected and arranged, the built-in cavity is located inside the interlayer cavity and the two are separated, and the main filter element body is located in the interlayer cavity. The filter element according to claim 1, wherein the main filter element body includes a main filter material and a first end cap, and the first end cap is provided at an end of the main filter material. The filter element according to claim 2, wherein the built-in cavity can be used to accommodate an internal filter element. The filter element according to claim 3, wherein the filter element further includes a plurality of the internal filter elements, and the internal filter elements are detachably installed in the built-in cavity. When there are multiple internal filter elements, The internal filter elements are nested together. The filter element according to claim 4, wherein the internal filter element includes a first internal filter element, the first internal filter element includes a first internal filter material, a second end cap and a first top cover, and the first internal filter element The internal filter material is located in the built-in cavity, the second end cap is provided at the end of the first internal filter material, the first top cover is provided with a second water inlet and a second water outlet, and the second end cap is provided with a second water inlet and a second water outlet. A top cover is detachably connected to the main housing. The filter element according to claim 5, wherein the internal filter element further includes a second internal filter element, the first internal filter element is provided with a water outlet cavity that accommodates the second internal filter element, wherein the water outlet cavity and The second water outlet is connected, and the second internal filter element is detachably installed in the water outlet cavity. The filter element according to claim 6, wherein the second internal filter element includes a second internal filter material, a third end cap and a second top cover, and the third end cap is provided on the second internal filter material. At the end, the second top cover is provided with a third water outlet, and the second top cover and the first top cover are detachably connected. The filter element according to claim 6, wherein the first internal filter element is an RO filter element, the first top cover is also provided with a waste water outlet, and the inside of the central tube of the RO filter element forms the water outlet chamber. The filter element according to claim 8, wherein the first upper end cover of the first end cover and the first extension wall of the main housing are sealingly matched, and the second end cover and the third end cover of the first top cover are in sealing fit. The two extension walls are in a sealing fit, and the central tube and the third extension wall of the first top cover are in a sealing fit. A water purifier, wherein the water purifier is provided with a filter core cavity, and the filter core according to any one of claims 1 to 9 is installed in the filter core cavity.