CN212214707U

CN212214707U - Composite filter element structure

Info

Publication number: CN212214707U
Application number: CN202021749096.9U
Authority: CN
Inventors: 赵军; 汝彬; 张朴; 韩荣耀
Original assignee: Suzhou Pentair Water Treatment Co ltd
Current assignee: Suzhou Pentair Water Treatment Co ltd
Priority date: 2020-07-01
Filing date: 2020-08-20
Publication date: 2020-12-25
Anticipated expiration: 2030-08-20
Also published as: CN112057913A

Abstract

The utility model relates to a composite filter element structure, including the filter core unit, the filter core unit includes main filter core, main filter core includes main filter core casing, lid subassembly and is provided with the main filter core body of main filter material, a serial communication port, the filter core unit still includes sub-filter core, sub-filter core includes sub-filter core casing, sub-lid and sets up sub-filter material in the sub-filter core casing, sub-filter core detachable connects on the main filter core, when the user state: the liquid to be filtered is firstly filtered by the sub-filter materials and then filtered by the main filter material. The utility model discloses can realize one the different filter materials of packing in the filter core unit can be changed respectively when changing, can change 1 time for many years like main filter material, and sub-filter material can change 1 time for a year, and the operation when simplifying the renew cartridge shortens the time of renew cartridge.

Description

Composite filter element structure

Technical Field

The utility model belongs to water purification filter core field, concretely relates to composite filter core structure.

Background

The water purifying product is a water purifier, which is a water treatment device for deeply filtering and purifying water according to the use requirement of water. The water purifier can effectively filter rust, sand, colloid in water and adsorb chemical agents such as residual chlorine, odor, abnormal colors, pesticides and the like in water. Can effectively remove the impurities such as bacteria, germs, toxins, heavy metals and the like in the water. The utility model is widely used in both civil and commercial applications.

The filter element is the core playing the water purification effect in the water purification product, and comprises an activated carbon filter element, a PP filter element, a ceramic filter element, a resin filter element, a titanium rod filter element, a nanofiltration membrane, an air fiber ultrafiltration membrane, an RO reverse osmosis membrane and the like. Typically, filter cartridges have a specific service life and must be replaced before the service life is reached.

The filter core usually includes multiple filter material, and the life of different filter materials is different, and during the change, need change according to the life time limit of difference, current filter core structure is complicated, and the operation that wants to change different filter materials according to the life of filter material is complicated, and is very inconvenient. Because water purification product structure differs, the operation is very loaded down with trivial details when changing the filter core usually, this just leads to the filter core to change easily and delays.

Disclosure of Invention

The utility model aims at providing a composite filter element structure for the problem that the filter material in the realization filter core can't be changed respectively.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides a composite filter element structure, includes filter core unit, filter core unit includes main filter core, main filter core includes main filter core casing, lid subassembly and is provided with the main filter core body of main filter material, filter core unit still includes sub-filter core, sub-filter core includes sub-filter core casing, sub-lid and sets up sub-filter material in the sub-filter core casing, sub-filter core detachable connects on the main filter core, when the user state: the liquid to be filtered is firstly filtered by the sub-filter materials and then filtered by the main filter material.

Preferably, the cover assembly includes a connection part, one end of the connection part is connected with one end of the main filter element housing, and the sub filter element housing is connected at the other end of the connection part.

Further preferably, the sub-cartridge housing is attached at a central position of the connection portion.

Further preferably, the sub-filter element shell and the connecting part are connected through threads, and of course, the sub-filter element shell and the connecting part can be connected in other modes such as clamping connection and the like.

Still further preferably, a sealing member is provided between the sub-cartridge and the connection portion, the sealing member preventing liquid from leaking out from a gap at the connection between the main cartridge and the sub-cartridge.

Still further preferably, the seal is an O-ring.

Further preferably, the cover assembly further comprises a rotating ring, the rotating ring is sleeved on the outer side of the connecting portion, and the rotating ring can rotate relative to the connecting portion.

Still further preferably, the cover assembly further comprises a fastening tab for preventing the swivel from falling off the connection part, the fastening tab being connected to the other end of the connection part.

Still further preferably, the fastening tab and the connecting portion are fixed by a fastening member, such as a bolt or the like.

Still further preferably, the swivel further includes an operating part rotatably coupled to the swivel, and the cartridge unit can be mounted, dismounted and moved.

Still further preferably, the operating portion has at least one limit state, and in one of the limit states, a plane on which the operating portion is located is parallel to a plane on which the swivel is located.

Preferably, the sub-cover body is provided with a handle, so that the sub-filter element can be quickly and conveniently detached from the main filter element.

Preferably, the main filter element shell is provided with a main water inlet and a main water outlet, the sub-filter element shell is provided with a sub-water inlet and a sub-water outlet, the main water inlet is communicated with the sub-water inlet, the sub-water outlet is communicated with the water inlet of the main filter element body, and the water outlet of the main filter element body is communicated with the main water outlet.

Preferably, the composite filter element structure further comprises a water circuit board, and at least one filter element unit is connected to the water circuit board.

The utility model discloses because above-mentioned technical scheme application, compared with the prior art, the utility model has the following advantage:

the utility model discloses can realize one the different filter materials of packing in the filter core unit can be changed respectively when changing, can change 1 time for many years like main filter material, and sub-filter material can change 1 time for a year, and the operation when simplifying the renew cartridge shortens the time of renew cartridge.

Drawings

Fig. 1 is a schematic diagram illustrating the disassembly of a main filter element and a sub-filter element in this embodiment;

FIG. 2 is a schematic illustration of the separation of the main filter element and the sub-filter element in this embodiment;

FIG. 3 is a schematic view of a cartridge unit of this embodiment;

FIG. 4 is a schematic view of the composite filter element of this embodiment;

fig. 5 is a schematic view of the water circuit in the embodiment.

In the above drawings:

1. a main filter element; 10. a main filter element housing; 11. a cap assembly; 12. a main filter element body; 110. a connecting portion; 111. rotating the ring; 112. a fastening tab; 1100. a first connection portion; 1101. a second connecting portion; 1110. an operation section; 1120. a fastening assembly;

2. a sub-filter element; 20. a sub-cartridge housing; 21. a sub-cover body; 210; a seal member;

3. a water route board.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 4, a composite filter element structure includes a water channel plate 3 and a filter element unit in the present embodiment, which includes a main filter element 1 and a sub-filter element 2. The main filter cartridge 1 includes a main filter cartridge housing 10, a cover assembly 11, and a main filter cartridge body 12 provided with a main filter material. The sub-filter element 2 comprises a sub-filter element shell 20, a sub-cover body 21 and a sub-filter material arranged in the sub-filter element shell 20, the sub-filter element 2 is detachably connected to the main filter element 1, the sub-filter element 2 can be independently detached from or installed on the main filter element 1, and a quick-change handle is arranged on the top surface of the sub-cover body 21, so that the sub-filter element 2 can be conveniently held to detach and install. When the filter core is used, the filter materials which are more quickly worn and need to be replaced more frequently are filled into the sub-filter cores 2, so that batch replacement of different filter cores is realized. In this embodiment, the sub-cartridge 2 is connected to the cover assembly 11 of the main cartridge 1, and the whole of the main cartridge 1 and the sub-cartridge 2 is in a straight cylinder shape.

The cap assembly 11 includes a connection part 110, a rotation ring 111, and a fastening tab 112. The connecting portion 110 is shaped like a Chinese character 'tu', the connecting portion 110 includes a first connecting portion 1100 and a second connecting portion 1101 which are circular and coaxially connected, the inner diameters of the two connecting portions are the same, the first connecting portion 1100 is welded to the main filter element housing 10 in a melting manner, and the outer diameter of the second connecting portion 1101 is smaller than that of the first connecting portion 1100 and is connected to the sub-filter element housing 20. The method specifically comprises the following steps: the outer circumferential surface of the sub-cartridge housing 20 has threads, the inner circumferential surface of the second connection portion 1101 has threads, and the two are connected by the threads, and a sealing member 210 is further provided at the connection between the two, and the sealing member 210 is typically an O-ring, which can prevent water from leaking out from a gap at the connection between the main cartridge 1 and the sub-cartridge 2. The fastening piece 112 is connected with one end face of the second connecting portion 1101 through the fixing of the fastening assembly 1120, the fastening piece 112 is circular, the fastening assembly 1120 usually adopts bolts, the rotating ring 111 is sleeved on the second connecting portion 1101 and can rotate relative to the second connecting portion 1101, the outer diameter of the fastening piece 112 is larger than the inner diameter of the rotating ring 111, and therefore the rotating ring 111 can be prevented from falling off from the connecting portion 110. The rotary ring 111 further comprises an operating part 1110 rotatably connected to the rotary ring 111, the operating part 1110 is used as a handle for mounting and dismounting the whole filter element unit or the main filter element 1, as shown in fig. 1, the operating part 1110 is a semi-circular ring, the operating part 1110 has at least one limit state, in one limit state, the surface of the operating part 1110 is parallel to the surface of the rotary ring 111, and the operating part 1110 can rotate at least 90 degrees and is perpendicular to the surface of the rotary ring 111.

At least one filter element unit of the embodiment is connected to the water channel plate 3, as shown in fig. 4, the filter element unit of the embodiment is connected to the water channel plate 3, and the other filter element unit is referred to as CN 210229340U; or both with the cartridge unit of this embodiment. The filter core unit of this embodiment is introduced with water to water route board 3 and is filtered, and during the filtration, water is earlier through the filtration of sub-filter material, the filtration of main filter material again.

As shown in fig. 5, in this embodiment, the main filter element housing 10 has a main water inlet and a main water outlet, the sub-filter element housing 20 has a sub-water inlet and a sub-water outlet, the main water inlet is communicated with the sub-water inlet, the sub-water outlet is communicated with the water inlet of the main filter element body 12, the water outlet of the main filter element body 12 is communicated with the main water outlet, during filtering, water flows into the filter element unit from the main water inlet through the guide of the water path plate 3, enters the sub-filter element 2 through the main filter element housing 10 to start primary filtering, after the sub-filter element 2 is partially filtered, water flows into the main filter element 1 from the water inlet of the main filter element body 12 to start secondary filtering, after the main filter element 1 is partially filtered, water flows out of the main filter element 1 from the water outlet of the main filter element body 12, and finally.

This embodiment simple structure, convenient operation, during the change, can change different filter cores according to the life time limit of difference, realize the change in batches of different filter cores, simplified the operation of renew cartridge, shortened the time of renew cartridge.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a composite filter element structure, includes filter core unit, filter core unit includes main filter core, main filter core includes main filter core casing, lid subassembly and is provided with the main filter core body of main filter material, a serial communication port, filter core unit still includes sub-filter core, sub-filter core includes sub-filter core casing, sub-lid and sets up sub-filter material in the sub-filter core casing, sub-filter core detachable connects on the main filter core, when the user state: the liquid to be filtered is firstly filtered by the sub-filter materials and then filtered by the main filter material.

2. The composite filter element arrangement of claim 1, wherein the cover assembly includes a connector portion having one end connected to one end of the main filter element housing, and the sub-filter element housing is connected to the other end of the connector portion.

3. The composite filter element arrangement according to claim 2, wherein the sub-filter element housing is threadably connected to the connection portion.

4. The composite filter element arrangement according to claim 3, wherein a seal member is disposed between the sub-filter element and the connection portion.

5. The composite filter element arrangement of claim 2, wherein the cap assembly further comprises a swivel, the swivel being disposed outside the connection portion, the swivel being rotatable relative to the connection portion.

6. The composite filter element arrangement according to claim 5, wherein the cover assembly further comprises a fastening tab for preventing the swivel from falling off the connection part, the fastening tab being connected to the other end of the connection part.

7. The composite filter element arrangement of claim 5, wherein the swivel further comprises an operating portion rotatably connected to the swivel.

8. The composite filter element arrangement according to claim 1, wherein the sub-cover is provided with a handle.

9. The composite filter element arrangement of claim 1, wherein the main filter element housing has a main water inlet and a main water outlet, the sub-filter element housing has a sub-water inlet and a sub-water outlet, the main water inlet is in communication with the sub-water inlet, the sub-water outlet is in communication with the main filter element body water inlet, and the main filter element body water outlet is in communication with the main water outlet.

10. The composite filter element arrangement according to claim 1, further comprising a water circuit board having at least one of said filter element units attached thereto.