CN211521819U

CN211521819U - Filter element assembly and water purifier with same

Info

Publication number: CN211521819U
Application number: CN201922442654.0U
Authority: CN
Inventors: 贺素平; 官阔荣; 张辉
Original assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Current assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-09-18
Anticipated expiration: 2029-12-27

Abstract

The utility model provides a filter element group spare and purifier that has it. The filter element assembly comprises a filter flask with an open end and a closed end along the axial direction of the filter flask, and the open end is provided with a water inlet channel and a water outlet channel; the filter bottle comprises a cylinder body and a central tube, wherein the cylinder body and the central tube are arranged in the filter bottle and provided with a closed first end and an open second end along the axial direction; the first filter element is sleeved on the cylinder and covers the through hole; the second filter element is arranged in the cylinder body; and a third filter element disposed within the central tube. Like this, can be with first filter core, second filter core and the whole integrations of third filter core in filter core subassembly, the structure of purifier is compacter to make the purifier exquisite small and exquisite more.

Description

Filter element assembly and water purifier with same

Technical Field

The utility model relates to a technical field of aqueous cleaning specifically, relates to a filter element group spare and purifier that has this filter element group spare.

Background

With the improvement of living standard, people have higher and higher requirements on water quality. The popularization of the water purifier is becoming wider and wider, and products of new technology are better meeting the requirements of people.

Mainly filter impurity through the filter core and realize the effect of purifying water quality among the current purifier, in order to filter different impurity, need multiple filter core cooperation to use, most purifier adopts the mode that hinders sieve filtration principle progressive structure, concatenates by multistage filter core head and the tail and forms, filter core precision is arranged by low to high in proper order, with the filth is held back in realizing that multistage filter core sharing, thereby reduce filter core jam and artifical blowdown, tear the number of times of washing and the cycle of extension renew cartridge.

However, the water purifier is large in overall size and large in occupied space due to the head-to-tail serial connection structure, and is very disadvantageous particularly in the situation that the water purifier tends to be miniaturized. In addition, the structure of end-to-end series connection also leads to overlong water flow channels in the water purifier, increases the flow resistance, further leads to larger power of the whole water purifier, and violates the requirements of energy conservation and environmental protection.

SUMMERY OF THE UTILITY MODEL

In order to at least partially solve the problems of the prior art, according to one aspect of the present invention, there is provided a filter cartridge assembly comprising a filter flask having an open end and a closed end along an axial direction thereof, the open end having a water inlet passage and a water outlet passage; a cylinder body and a central tube arranged in the filter flask, wherein the cylinder body is provided with a closed first end and an open second end along the axial direction, a through hole is arranged on the side wall of the cylinder body, the central tube is provided with an open third end and an open fourth end along the axial direction, the second end is connected to the third end, the fourth end is connected to the open end of the filter flask, the water inlet channel is communicated to the inside of the cylinder body through the through hole, and the central tube is communicated between the inside of the cylinder body and the water outlet channel; the first filter element is sleeved on the cylinder body and covers the through hole; a second filter element disposed within the cartridge body; and a third filter element disposed within the central tube.

Through this kind of setting, can be with first filter core, second filter core and the whole integration of third filter core in filter element group spare, the space that the filter core took in the purifier from this obtains reducing by a wide margin, and the structure of purifier is compacter to make the purifier exquisite more small and exquisite, its alternative of overall arrangement is more in various places. Meanwhile, the length of the flow channel in the water purifier can be shortened, the flow resistance of water flow is reduced, the power of the water purifier is reduced, and the purposes of energy conservation and environmental protection are achieved.

Illustratively, the cartridge includes a tube and an end cap covering one end of the tube to form the first end of the cartridge, the end of the first filter cartridge proximate the closed end being secured to the end cap. With this arrangement, the end of the first cartridge adjacent the closed end is secured while allowing the flow of water to have the desired direction of flow.

Illustratively, the end cap comprises a cap body; the filter element comprises a cover body, a clamping part and a first annular wall, wherein the clamping part extends from the cover body to the open end, the first annular wall surrounds the clamping part, a clamping groove is formed in the end face, close to the open end, of the clamping part, the pipe body is connected to the clamping groove in an inserting mode, an inserting groove is formed between the clamping part and the first annular wall, and the end portion, close to the closed end, of the first filter element is connected to the inserting groove in an inserting mode. Through the arrangement, the first filter element, the tube body and the end cap are detachably fixed, and the filter element is convenient to maintain and replace.

Illustratively, the end cap further comprises a securing portion disposed on the cover, the end cap being connected to the closed end of the filter flask by the securing portion. By this arrangement, the cartridge body, the first filter cartridge and the central tube can be secured at the closed end.

Illustratively, the retainer includes a second annular wall extending from the cover toward the closed end. Through the arrangement, the cylinder body and the first filter element are detachably fixed at the closed end, so that the filter element is convenient to maintain and replace.

Illustratively, the central tube has an annular support extending outward in a radial direction from the third end, the outer periphery of the annular support has a flange extending toward the closed end, and the end of the first filter element near the open end is inserted into a space surrounded by the flange. Through this kind of setting, cooperate above-mentioned structure, ensure that first filter core is fixed firm.

Illustratively, a sealing ring is arranged between the outer side wall of the second end of the cylinder and the inner side wall of the third end of the central tube. With this arrangement, the cartridge and the central tube are easy to disassemble while allowing the water flow to have a desired flow direction.

Illustratively, the filter bottle includes a bottle body having one end as the open end and the other end having a mounting opening and a bottle body cap covering the mounting opening to form the closed end. With this arrangement, it is convenient to install components within the filter cartridge assembly, such as the first filter cartridge.

Illustratively, the first filter element comprises a PP cotton filter element, a front activated carbon filter element or a composite filter element formed by compounding the PP cotton filter element and the front activated carbon filter element; and/or the second cartridge comprises an ultrafiltration membrane cartridge; and/or the third filter element comprises a rear activated carbon filter element. Through this kind of setting, can have multi-stage filtration in the filter element group spare, ensure that the multiple impurity of aquatic all can be filtered, the guarantee has higher quality through the water after the filter element group spare filters.

According to another aspect of the present invention, there is also provided a water purifier, comprising any one of the filter element assemblies as described above.

The advantages and features of the present invention are described in detail below with reference to the accompanying drawings.

Drawings

The following drawings of the present invention are used herein as part of the present invention for understanding the present invention. There are shown in the drawings, embodiments and descriptions thereof, which are used to explain the principles of the invention. In the drawings, there is shown in the drawings,

fig. 1 is a cut-away perspective view of a filter cartridge assembly according to an exemplary embodiment of the present invention;

FIG. 2 is a cross-sectional view of the filter cartridge assembly shown in FIG. 1; and

fig. 3 is a schematic water path diagram of a water purifier according to an exemplary embodiment of the present invention.

Wherein the figures include the following reference numerals:

100. a filter element assembly; 200. a filter flask; 201. an open end; 202. a closed end; 210. a water inlet channel; 220. a water outlet channel; 230. a bottle body; 240. a bottle cap; 300. a barrel; 310. a first end; 320. a second end; 330. a through hole; 340. a pipe body; 350. an end cap; 351. a cover body; 360. a chucking section; 361. a clamping groove; 370. a first annular wall; 371. inserting grooves; 380. a fixed part; 381. a second annular wall; 400. a central tube; 410. a third end; 420. a fourth end; 430. a ring-shaped support; 440. flanging; 500. a first filter element; 600. a second filter element; 700. a third filter element; 900. a water purifier; 910. water inlet solenoid valve.

Detailed Description

In the following description, numerous details are provided to provide a thorough understanding of the present invention. One skilled in the art, however, will understand that the following description illustrates only a preferred embodiment of the invention and that the invention may be practiced without one or more of these details. In addition, some technical features that are well known in the art are not described in detail in order to avoid obscuring the present invention.

The utility model provides a filter element assembly 100, as shown in figures 1-2. The cartridge assembly 100 is primarily within a water purifier 900, as shown in FIG. 3, for filtering and purifying water. Therefore, the utility model discloses still provide a purifier 900. The filter element assembly 100 can filter and purify drinking water in the family life. In addition, the filter element assembly 100 can also be used for filtering and purifying water used in scientific research, medicine, food, beverage, seawater desalination and other fields, and therefore, the water purifier 900 provided herein can also be applied to these fields. That is to say, under the circumstances that impurity and harmful substance in the needs were filtered to aquatic, all can adopt the utility model provides a principle.

A filter cartridge assembly 100 according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3. Wherein the arrows shown in figures 2-3 schematically illustrate the direction of water flow within the filter cartridge assembly 100 and the water purifier 900.

As shown in fig. 1-2, the cartridge assembly 100 includes a filter flask 200, a cartridge 300, a center tube 400, a first filter element 500, a second filter element 600, and a third filter element 700.

The filter flask 200 may have an open end 201 and a closed end 202 along its axial direction. Open end 201 may have an inlet channel 210 and an outlet channel 220.

Cartridge 300 and centertube 400 may be disposed within filter flask 200. The cartridge body 300 may have a closed first end 310 and an open second end 320 in an axial direction of the filter flask 200. The first end 310 and the second end 320 are oppositely disposed. A through hole 330 may be provided on a sidewall of the cartridge 300. The center tube 400 may have an open third end 410 and an open fourth end 420 in the axial direction of the filter flask 200. The third end 410 and the fourth end 420 are oppositely disposed. The second end 320 of the cartridge 300 may be connected to the third end 410 of the center tube 400. The second end 320 may be connected to the third end 410 in various ways, such as non-detachable manner by spin welding, bonding, etc., or detachable manner by providing a sealing element (e.g., the second end). The fourth end 420 of the center tube 400 may be connected to the open end 201 of the filter bottle 200. The water inlet passage 210 may communicate with the inside of the cartridge 300 via the through-hole 330. The through hole 330 can be disposed at any position on the sidewall of the cylinder 300, and the size, shape and number of the through hole can be any, as long as it can be ensured that the water inlet channel 210 can be communicated to the inside of the cylinder 300 via the through hole 330, the present invention is not intended to limit the same. The center pipe 400 may communicate between the inside of the cartridge body 300 and the water outlet passage 220.

Preferably, a sealing ring may be disposed between an outer sidewall of the second end 320 of the cylinder 300 and an inner sidewall of the third end 410 of the center tube 400. The sealing ring may be closer to the open end 201 than the through hole 330. With this arrangement, the cartridge body 300 and the center tube 400 are easily disassembled while allowing the water flow to have a desired flow direction.

The first filter element 500 can be sleeved on the cylinder 300 and cover the through hole 330. The second cartridge 600 may be disposed within the cartridge body 300. The third filter element 700 may be disposed within the center tube 400. The first filter element 500, the second filter element 600 and the third filter element 700 may be the same or different filter elements of any kind, for example, PP cotton filter elements, activated carbon filter elements, reverse osmosis filter elements, ultrafiltration filter elements, etc., or may be a composite filter element with multiple filter elements integrated, for example, PP cotton filter elements and activated carbon filter elements integrated.

As shown in fig. 2-3, the filter cartridge assembly 100 of the above-described structure may have a connected water path formed therein. The water flow can enter the first filter element 500 through the water inlet passage 210, is filtered by the first filter element 500, enters the second filter element 600 through the through hole 330, further filtered by the second filter element 600 and the third filter element 700 in sequence, and then flows out of the filter element assembly 100 through the water outlet passage 220.

Through this kind of setting, can be with first filter core 500, second filter core 600 and the whole integration of third filter core 700 in filter element group spare 100, the space that the interior filter core of this purifier 900 took is reduced by a wide margin, and the structure of purifier 900 is compacter to make purifier 900 more exquisite small and exquisite, its alternative of overall arrangement is more in various places. Meanwhile, the length of the flow channel in the water purifier 900 can be shortened, the flow resistance of water flow is reduced, the power of the water purifier 900 is reduced, and the purposes of energy conservation and environmental protection are achieved.

Illustratively, as shown in fig. 1-2, cartridge 300 may include a tube 340 and an end cap 350. End cap 350 may cover an end of tube 340 (shown as the top end of tube 340) to form closed first end 310 of barrel 300. The end cap 350 may cover one end of the tube 340 in various ways, such as non-detachable way, such as spin welding, bonding, etc., or detachable way, such as plugging, etc. Alternatively, the tube 340 and the end cap 350 may be integrally formed. The end of first cartridge 500 proximate closed end 202 (the top of first cartridge 500 in the illustration) may be secured to end cap 350. With this arrangement, the end of first cartridge 500 adjacent closed end 202 is secured while allowing the desired direction of flow of water.

Further, as shown in fig. 1-2, the end cap 350 may include a cover 351, a catch 360, a first annular wall 370, and a securing portion 380. The catch 360 and the first annular wall 370 may extend from the cover 351 toward the open end 201, and the first annular wall 370 may surround the catch 360. A plug groove 371 may be formed between the catch 360 and the first annular wall 370, and an end of the first filter cartridge 500 near the closed end 202 may be plugged into the plug groove 371. For example, the retainer 360 may be an annular retainer, or may be a plurality of retainers divided in the circumferential direction. The end surface of the retaining portion 360 near the open end 201 may be provided with a retaining groove 361, and the tube 340 may be inserted into the retaining groove 361. By this arrangement, the first cartridge 500 and the body 340 are removably secured to the end cap 350 to facilitate servicing and replacement of the cartridge.

For example, as shown in fig. 1-2, the end cap 350 may further include a fixing portion 380 disposed on the cover 351. The end cap 350 may be connected to the closed end 202 of the filter bottle 200 by a retainer 380. The fixing portion 380 may be connected to the filter flask 200 in various ways, for example, non-detachable ways such as spin welding, adhesion, etc. or detachable ways such as insertion. With this arrangement, cartridge body 300, first cartridge 500, and central tube 400 can be secured at closed end 202.

Further, as shown in fig. 1-2, the retainer 380 may include a second annular wall 381 that extends from the cover 351 toward the closed end 202. Preferably, a slot may be provided at the closed end 202 to mate with the second annular wall 381, which may further facilitate the fixing of the second annular wall 381. With this arrangement, cartridge body 300 and first cartridge 500 are removably secured at closed end 202 to facilitate servicing and replacement of the cartridge.

Illustratively, as shown in fig. 1-2, the base pipe 400 may have an annular shelf 430 extending outwardly from a third end 410 in a radial direction of the base pipe 400. The outer periphery of the annular holder 430 may have a flange 440 extending toward the closed end 202. The end of the first cartridge 500 near the open end 201 (the bottom of the first cartridge 500 in the illustration) can be inserted into the space enclosed by the flange 440. Through this kind of setting, cooperate the above-mentioned structure, ensure that first filter core 500 is fixed firm.

Illustratively, as shown in fig. 1-2, the filter bottle 200 may include a bottle body 230 and a bottle body cap 240. One end of the bottle body 230 (the bottom end of the bottle body 230 in the drawing) is provided with a water inlet passage 210 and a water outlet passage 220 to form an open end 201. The other end of the bottle body 230 (the top end of the bottle body 230 in the drawing) may have a mounting opening. The vial cap 240 may close the mounting opening to form the closed end 202. Illustratively, the bottle cap 240 may cover the mounting opening in a variety of ways, such as spin-weld, adhesive, and the like. With this arrangement, installation of components within the cartridge assembly 100, such as the first cartridge 500, is facilitated.

Illustratively, the first filter element 500 may include a PP cotton filter element, a pre-activated carbon filter element, or a composite filter element formed by combining the PP cotton filter element and the pre-activated carbon filter element; and/or the second cartridge 600 may comprise an ultrafiltration membrane cartridge; and/or the third filter element 700 can include a post-activated carbon filter element.

The PP cotton filter element is a tubular filter element which is made of nontoxic and tasteless polyester fiber particles through heating, melting, spinning, drawing and receiving forming, and is used in the field of water purification in large scale. The PP cotton filter element has the characteristics of strong dirt holding capacity, long service life, low cost, integration of surface, deep layer and coarse and fine filtration, corrosion resistance, high pressure resistance, low cost and the like. The PP cotton filter element is mainly used for blocking large-particle impurities such as rust, silt, worm eggs and the like in water.

The active carbon filter element integrates the functions of adsorption, filtration, interception and catalysis, can effectively remove organic matters, residual chlorine and other radioactive impurities in water, and has the effects of decoloring and removing peculiar smell. The active carbon filter element is mainly used for adsorbing impurities such as heterochrosis, peculiar smell, organic impurities and the like in water. The activated carbon filter element can be divided into a front activated carbon filter element and a rear activated carbon filter element according to the position of the activated carbon filter element in the water purification process. The preposed active carbon filter element is mainly used for removing organic matters, residual chlorine and other radioactive impurities in water. The post-positioned active carbon filter core is mainly used for adsorbing different colors and peculiar smell in water, and ensures that the taste of the water is better.

The ultrafiltration membrane filter core has the characteristics of good chemical stability, acid and alkali resistance, bacteria resistance, high filtering precision, large pollutant interception capacity, good drinking water taste, good pressure bearing performance, strong pollution resistance and the like. The ultrafiltration membrane filter element is mainly used for removing bacteria, colloid, rust, suspended matters, silt, macromolecular organic matters and other impurities. Through the arrangement, different types of the first filter element 500 can be selected according to the types of impurities in water, so that the filter element component can be applied to more areas with different water quality.

Through this kind of setting, can have multi-stage filtration in the filter element subassembly 100, ensure that the multiple impurity of aquatic all can be filtered, the guarantee has higher quality through the water after filter element subassembly 100 filters.

According to another aspect of the present invention, a water purifier 900 is also provided. The water purifier 900 includes any of the filter cartridge assemblies 100 described above. Various configurations, existing or that may come into existence in the future, may be employed for the other components of water purifier 900. The present invention is not intended to be limited thereto. Accordingly, these components will not be described in detail herein. Water purifier 900 may include a water inlet solenoid valve 910, as shown in FIG. 3. The water inlet solenoid valve 910 is connected before the water inlet passage 210 of the filter cartridge assembly 100 in the water flow direction. The outlet passage 220 is then connected to a faucet or a line machine to deliver filtered water.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front", "back", "upper", "lower", "left", "right", "horizontal", "vertical", "horizontal" and "top", "bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and 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 interpreted as limiting the scope of the present invention; the terms "inner" and "outer" refer to the interior and exterior relative to the contours of the components themselves.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe the spatial relationship of one or more components or features shown in the figures to other components or features. It is to be understood that the spatially relative terms are intended to encompass not only the orientation of the component as depicted in the figures, but also different orientations of the component in use or operation. For example, if an element in the drawings is turned over in its entirety, the articles "over" or "on" other elements or features will include the articles "under" or "beneath" the other elements or features. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". Further, these components or features may also be positioned at various other angles (e.g., rotated 90 degrees or other angles), all of which are intended to be encompassed herein.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, elements, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The present invention has been described in terms of the above embodiments, but it is to be understood that the above embodiments are for purposes of illustration and description only and are not intended to limit the invention to the described embodiments. Furthermore, it will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that many more modifications and variations are possible in light of the teaching of the present invention and are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A filter element assembly, comprising:

a filter flask (200) having an open end (201) and a closed end (202) in its axial direction, the open end having an inlet channel (210) and an outlet channel (220);

a cylinder body (300) and a center tube (400) arranged in the filter flask, wherein the cylinder body is provided with a closed first end (310) and an open second end (320) along the axial direction, a through hole (330) is arranged on the side wall of the cylinder body, the center tube is provided with an open third end (410) and an open fourth end (420) along the axial direction, the second end is connected to the third end, the fourth end is connected to the open end of the filter flask, the water inlet channel is communicated to the inside of the cylinder body through the through hole, and the center tube is communicated between the inside of the cylinder body and the water outlet channel;

the first filter element (500) is sleeved on the cylinder body and covers the through hole;

a second cartridge (600) disposed within the barrel; and

a third cartridge (700) disposed within the central tube.

2. The filter element assembly according to claim 1, wherein the cartridge (300) comprises a tube (340) and an end cap (350) closing one end of the tube to form the first end of the cartridge, the end of the first filter element (500) proximate the closed end (202) being secured to the end cap.

3. The filter element assembly according to claim 2, wherein the end cap (350) comprises:

a cover body (351);

a catch (360) extending from the cover towards the open end (201) and a first annular wall (370) surrounding the catch,

wherein, the end face of the clamping part close to the open end is provided with a clamping groove (361), the pipe body (340) is inserted into the clamping groove, and

an insertion groove (371) is formed between the clamping part and the first annular wall, and the end part of the first filter element (500) close to the closed end (202) is inserted into the insertion groove.

4. The filter element assembly according to claim 3, wherein the end cap (350) further comprises a fixing portion (380) provided on the cover (351), by means of which the end cap is connected to the closed end (202) of the filter flask (200).

5. The filter element assembly according to claim 4, wherein the fixing portion (380) comprises a second annular wall (381) extending from the cover (351) towards the closed end (202).

6. The filter element assembly according to claim 1, wherein the central tube (400) has an annular base (430) extending outwardly in a radial direction from the third end (410), the outer periphery of the annular base having a flange (440) extending towards the closed end (202), the end of the first filter element (500) near the open end (201) being inserted into the space enclosed by the flange.

7. The filter element assembly according to claim 1, wherein a sealing ring is provided between the outer side wall of the second end (320) of the cylinder (300) and the inner side wall of the third end (410) of the central tube (400).

8. The filter cartridge assembly according to claim 1, wherein the filter bottle (200) comprises a bottle body (230) having the open end (201) at one end and a bottle body cap (240) having a mounting opening at the other end, the bottle body cap (240) closing the mounting opening to form the closed end (202).

9. The filter element assembly according to claim 1, wherein the first filter element (500) comprises a PP cotton filter element, a pre-activated carbon filter element or a composite filter element formed by combining the PP cotton filter element and the pre-activated carbon filter element; and/or the second cartridge (600) comprises an ultrafiltration membrane cartridge; and/or the third filter element (700) comprises a post-activated carbon filter element.

10. A water purification machine comprising a filter element assembly according to any one of claims 1 to 9.