CN219009954U - Filter device and water purifier - Google Patents

Abstract

The embodiment of the utility model provides a filtering device and a water purifier. The filtering device comprises: the first filter element is provided with a first mounting end and a first water passing end which are oppositely arranged along the axial direction of the first filter element, and a plurality of first water passing ports communicated with a first waterway in the first filter element are arranged on the first water passing end; and the second filter element is provided with a second installation end and a second water passing end which are oppositely arranged along the axial direction, a plurality of second water passing ports which are communicated with a second waterway in the second filter element are arranged on the second water passing end, the second installation end is detachably installed to the first installation end, and the first waterway and the second waterway are independent from each other. In such a filter device, the first filter element and the second filter element may be individually filtered, or may be connected by other members, thereby performing composite filtration. Because the first filter element and the second filter element can be installed and detached, the filter elements can be independently replaced. And the first waterway and the second waterway may be relatively compact.

Description

Filter device and water purifier

Technical Field

The utility model relates to the technical field of water purification, in particular to a filtering device and a water purifier with the same.

Background

Along with the improvement of living standard, the requirements of people on water quality are also higher. At present, various water purifiers are available in the market, and raw water is filtered mainly through a filter element so as to produce purified water. The composite filter element formed by compositing a plurality of filter elements has good filtering effect, so that the application range is wider.

In order to ensure the quality of the purified water, the filter element needs to be replaced periodically. In the existing water purifiers, most of the composite filter elements are integral composite filter elements which are not detachable, for example, composite filter elements composed of a PPC filter element (a filter element composed of PP cotton and activated carbon) and a reverse osmosis filter element. That is, the plurality of filter elements in the composite filter element are not detachable from each other.

However, because the service lives of the different filter elements are not uniform, the filter element replacement time is not uniform. Because a plurality of filter cores are not detachable, when the filter cores are replaced, the filter cores with longer service lives can be continuously used, so that waste is caused. The use cost of the user is high.

Disclosure of Invention

In order to at least partially solve the problems of the prior art, according to one aspect of the present utility model, a filter device is provided. The filtering device comprises: the first filter element is provided with a first mounting end and a first water passing end which are oppositely arranged along the axial direction of the first filter element, and a plurality of first water passing ports communicated with a first waterway in the first filter element are arranged on the first water passing end; and the second filter element is provided with a second installation end and a second water passing end which are oppositely arranged along the axial direction, a plurality of second water passing ports which are communicated with a second waterway in the second filter element are arranged on the second water passing end, the second installation end is detachably installed to the first installation end, and the first waterway and the second waterway are independent from each other.

According to the filtering device provided by the embodiment of the utility model, the first filter element and the second filter element can be used for filtering independently respectively, and can be communicated through other components, so that composite filtering is performed. And, because first filter core and second filter core can be installed and dismantlement, when one of them filter core is because of damaging or life is depleted, can change this filter core alone. Thus, the filtering device does not cause waste, and the use cost of the user is high. And, since the first waterway and the second waterway are independent of each other, the first waterway and the second waterway can be relatively simple, thereby reducing design costs and manufacturing costs. Based on this, through the mode that sets up second installation end detachably to first installation end rationally, when changing one of them filter core of first filter core and second filter core, another filter core can keep motionless, and the work load of changing reduces by a wide margin. Therefore, in the replacement process, the work of the other filter element is not affected, and water channeling phenomenon between the first waterway and the second waterway which are independent of each other is avoided.

Illustratively, the plurality of second water passing openings are oriented in the same direction as the plurality of first water passing openings. So set up, filter equipment in practical application, the structure of the outside water passing member of connecting a plurality of first water gaps and a plurality of second water gaps can be simpler.

The same direction is illustratively the direction from the second cartridge to the first cartridge in the axial direction. So set up, filter equipment structure is simpler, low in manufacturing cost.

Illustratively, the first filter element includes a first filter shell, a first mounting end and a plurality of first water gaps are relatively arranged at two ends of the first filter shell along an axial direction, the first waterway is arranged in the first filter shell, the second filter element includes a second filter shell and a protruding portion, the second mounting end and the protruding portion are relatively arranged at two ends of the second filter shell along the axial direction, the protruding portion protrudes from the second filter shell along a radial direction of the first filter element, a plurality of second water gaps are arranged on the protruding portion, and the second waterway is arranged in the second filter shell. The filter device has simple structure and low manufacturing cost.

Illustratively, the outer peripheral surface of the first filter housing and the outer peripheral surface of the second filter housing are coplanar. So set up, filter equipment's wholeness is stronger to be convenient for production. In addition, dead angles of the outer peripheral surface of the filtering device are relatively less, so that the space for storing dirt can be reduced. And, when the filter device is mounted to a water purifier or the like, the filter device is more convenient to mount and dismount.

Illustratively, a spin-card connection is provided on the first mounting end, a spin-card adapter connection is provided on the second mounting end, and the spin-card adapter connection is spin-card connectable to the spin-card connection along a circumferential direction of the first filter element. So set up, the installation and the dismantlement of first filter core and second filter core need not to borrow the instrument to the operation is very convenient, and the efficiency of changing the filter core is higher.

Illustratively, the first mounting end is provided with a groove, a spin-on groove configured as a spin-on connection portion is formed in the groove, the second mounting end is provided with a mounting head, a spin-on protrusion configured as a spin-on adapter connection portion is arranged on an outer side wall of the mounting head, the mounting head is pluggable to the groove in the axial direction, and the spin-on protrusion is connected to the spin-on groove in a spin-on manner in the circumferential direction. Thus, the first filter element and the second filter element are very convenient to install and detach. And the filter device has simple structure and low manufacturing cost.

Illustratively, a first baffle extending along the circumferential direction and a second baffle extending from the edge of the first baffle toward the bottom wall of the groove are arranged on the inner side wall of the groove, and the inner side wall of the groove, the bottom wall of the groove, the first baffle and the second baffle are surrounded to form a spin clamping groove. Therefore, the rotary clamping groove has simple structure and low manufacturing cost. And, the second baffle can play spacing effect.

The plurality of the spin card connecting portions are distributed along the circumferential direction, and the plurality of spin card adapting connecting portions can be connected to the plurality of spin card connecting portions in a one-to-one correspondence manner. So set up, first installation end and second installation end can be followed circumference direction and connected in a plurality of positions to can improve the intensity of installation, ensure that filter equipment's stability is higher.

Illustratively, the first filter element is a pre-filter element and the second filter element is a reverse osmosis filter element. The pre-filter element and the reverse osmosis filter element can form multi-layer filtration to provide water with better quality for users.

Illustratively, the plurality of second water passing openings are distributed along a straight line. When the plurality of second water passing ports are connected to other components through the external water passing member, the structure of the external water passing member can be relatively simple, thereby being convenient for design and manufacture.

According to another aspect of the present utility model, there is also provided a water purifier. The purifier includes and strains the seat and above arbitrary filter equipment, and first water end detachably installs to straining the seat, and a plurality of first water gaps are crossed the mouth of a river and are linked together to straining the seat when first water end installation is strained the seat, and a plurality of second water gaps are crossed the mouth of a river and are crossed the mouth of a river at first water end installation and are strained the seat, and the second installation end is installed to first water end time and are crossed the mouth of a river through crossing the water piece intercommunication to straining the seat. So set up, the use cost of purifier is lower.

Illustratively, the water purifier further comprises a frame, an inwards concave mounting cavity is formed in the frame, the filter seat is arranged at the bottom of the mounting cavity, the filter device is detachably inserted into the mounting cavity, the water passing piece comprises a transition water gap arranged in the mounting cavity and a waterway pipe fitting connected between the transition water gap and the filter seat, and the second water passing gaps are communicated to the transition water gap when the filter device is inserted into the mounting cavity. So set up, a plurality of second water gap of second filter core can be convenient for realize the intercommunication to straining the seat.

The water purifier further comprises an unlocking mechanism, wherein the unlocking mechanism is used for controlling the first water passing end to be unlocked from the filter seat. Thus, the first filter element can be removed from the filter base.

In the summary, a series of concepts in a simplified form are introduced, which will be further described in detail in the detailed description section. This summary is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.

Advantages and features of the utility model are described in detail below with reference to the accompanying drawings.

Drawings

The following drawings are included to provide an understanding of the utility model and are incorporated in and constitute a part of this specification. Embodiments of the present utility model and their description are shown in the drawings to explain the principles of the utility model. In the drawings of which there are shown,

fig. 1 is a perspective view of a filtering apparatus according to an exemplary embodiment of the present utility model;

FIG. 2 is another angular perspective view of the filter device shown in FIG. 1;

FIG. 3 is a perspective view of the filter device of FIG. 1 at a further angle;

FIG. 4 is a side view of the filter device shown in FIG. 1;

FIG. 5 is an exploded view of the filter device shown in FIG. 1;

FIG. 6 is an exploded view of the filter device of FIG. 1 at another angle;

FIG. 7 is a cross-sectional view of the filter device shown in FIG. 1;

fig. 8 is a cross-sectional view of a water purifier according to an exemplary embodiment of the present utility model;

fig. 9 is an exploded view of the water purifier shown in fig. 8;

fig. 10 is a perspective view of the water purifier shown in fig. 8, in which a filtering device is removed; and

fig. 11 is another angular perspective view of the water purifier shown in fig. 10.

Wherein the above figures include the following reference numerals:

100. a filtering device; 200. a first filter element; 210. a first mounting end; 211. a groove; 2111. a bottom wall; 2112. a sidewall; 212. a spin clamping groove; 213. a first baffle; 214. a second baffle; 220. a first water passing end; 221. a first water passing port; 2211. a first water inlet; 2212. a water outlet; 230. a first waterway; 240. a first filter housing; 250. a first filter material; 300. a second filter element; 310. a second mounting end; 311. a mounting head; 312. a spin-chuck protrusion; 320. a second water passing end; 321. a second water passing port; 3211. a second water inlet; 3212. a pure water port; 3213. a water concentration port; 330. a second waterway; 340. a second filter housing; 350. a second filter material; 360. a protruding portion; 400. a water purifier; 410. a filter base; 420. a water passing member; 421. a transition nozzle; 422. waterway pipe fittings; 430. a frame; 431. a mounting cavity; 440. and an unlocking mechanism.

Detailed Description

In the following description, numerous details are provided to provide a thorough understanding of the utility model. However, it will be understood by those skilled in the art that the following description illustrates preferred embodiments of the utility model by way of example only and that the utility model may be practiced without one or more of these details. Furthermore, some technical features that are known in the art have not been described in detail in order to avoid obscuring the utility model.

According to one aspect of the present utility model, a filter device is provided. The filtering device may be used for filtering raw water to produce purified water. The filtering means may be applied to any suitable device including, but not limited to, a water purifier or a heating device. Therefore, according to another aspect of the present utility model, there is also provided a water purifier. The water purifier can be a bench-type water purifier or a central water purifier and the like. The filtering apparatus and the water purifier according to the embodiments of the present utility model will be described in detail with reference to specific embodiments.

As shown in fig. 1-7, the filter apparatus 100 can include a first filter cartridge 200 and a second filter cartridge 300. The first cartridge 200 and the second cartridge 300 may be installed and removed.

The first cartridge 200 may employ various types of cartridges known in the art or that may occur in the future, so long as water can be filtered. Illustratively, the first filter cartridge 200 includes, but is not limited to, a filter screen cartridge, a scale inhibitor cartridge, a PP cotton cartridge, an activated carbon cartridge, a reverse osmosis cartridge, an ultrafiltration membrane cartridge, or a composite cartridge formed by the composite of any two or more thereof.

The first cartridge 200 can have a first mounting end 210 and a first water passing end 220. The first mounting end 210 and the first water passing end 220 may be disposed opposite to each other in the axial direction of the first cartridge 200. When the first cartridge 200 and the second cartridge 300 are connected, the first mounting end 210 may be an end of the first cartridge 200 facing the second cartridge 300. The first water passing end 220 may be an end of the first cartridge 200 remote from the second cartridge 300. The first water passing end 220 may be provided with a plurality of first water passing ports 221. A first waterway 230 may be provided within the first cartridge 200. The plurality of first water passing ports 221 may communicate with the first waterway 230. The first filter cartridge 200 may further include a first filter material 250. The first filter 250 may be disposed on the first waterway 230. In practical applications, water can enter the first waterway 230 through the plurality of first water passing ports 221, and then be filtered through the first filter material 250 to form purified water. The purified water may flow out through the plurality of first water passing ports 221.

The positional relationship of the plurality of first water passing ports 221 may be arbitrary, for example, distributed along a straight line or distributed along an arc line. The number of the first water passing holes 221 may be two, three or more, as long as it is at least two. That is, the first water passing port 221 may include at least a water inlet and a water outlet. In the embodiment shown in the figures, the first filter cartridge 200 may be a pre-cartridge such as a PPC cartridge. The first filter 250 may be a pre-filter. The first water passing port 221 may include a first water inlet 2211 and a water outlet 2212. Raw water may enter the first waterway 230 through the first water passing hole 221 and then filtered through the first filter material 250, and purified water may be formed. Purified water can flow out through the water outlet 2212. The service life of the front filter element is longer. Therefore, the replacement frequency of the first cartridge 200 is low.

The second cartridge 300 may employ various types of cartridges known in the art or that may occur in the future, so long as water can be filtered. Illustratively, the second filter cartridge 300 includes, but is not limited to, a filter screen cartridge, a scale inhibitor cartridge, a PP cotton cartridge, an activated carbon cartridge, a reverse osmosis cartridge, an ultrafiltration membrane cartridge, or a composite cartridge formed by the composite of any two or more thereof. The second cartridge 300 and the first cartridge 200 may be the same or different.

The second cartridge 300 can have a second mounting end 310 and a second water passing end 320. The second mounting end 310 and the second water passing end 320 may be disposed opposite in the axial direction. When the first cartridge 200 and the second cartridge 300 are connected, the second mounting end 310 may be an end of the second cartridge 300 facing the first cartridge 200. The second water passing end 320 may be an end of the second cartridge 300 remote from the first cartridge 200. The second water passing end 320 may be provided with a plurality of second water passing ports 321. A second waterway 330 may be provided within the second cartridge 300. The plurality of second water passing ports 321 may communicate with the second waterway 330. The second filter cartridge 300 may further include a second filter 350. The second filter 350 may be disposed on the second waterway 330. In practical applications, water can enter the second waterway 330 through the plurality of second water passing ports 321, and then be filtered by the second filter 350 to form purified water. The purified water may flow out through the plurality of second water passing ports 321.

The positional relationship of the plurality of second water passing ports 321 may be arbitrary, for example, distributed along a straight line or distributed along an arc line. In an embodiment in which the plurality of second water passing ports 321 are distributed in a straight line, when the plurality of second water passing ports 321 are connected to other components through an external water passing member (e.g., the water passing member 420, which will be described in detail later), the structure of the external water passing member may be relatively simple, so that design and manufacturing may be facilitated. The number of the second water passing holes 321 may be two, three or more, as long as it is at least two. That is, the second water passing port 321 may include at least a water inlet and a water outlet. In the embodiment shown in the figures, the second cartridge 300 may be a reverse osmosis cartridge. The second filter 350 may be a reverse osmosis filter. The second water passing port 321 may include a second water inlet port 3211, a pure water port 3212, and a concentrated water port 3213. Raw water may enter the second waterway 330 through the second water inlet 3211 and then be filtered through the second filter 350, pure water may be formed. Pure water can flow out through the water outlet 2212. In the process of forming pure water, concentrated water is also formed. The concentrate may flow out through concentrate outlet 3213. The service life of the reverse osmosis filter element is shorter. Therefore, the frequency of replacement of the second cartridge 300 is high. In embodiments where the first cartridge 200 is a pre-cartridge, the pre-cartridge and the reverse osmosis cartridge may form a multi-layer filter to provide a user with better quality water.

The second mounting end 310 is detachably mounted to the first mounting end 210. Specifically, the second mounting end 310 may be removably mounted to the first mounting end 210 by any suitable means, such as a threaded connection, a twist-on-snap connection, a snap-on connection, or a connector connection. In this way, the first cartridge 200 and the second cartridge 300 can be mounted and dismounted.

The first waterway 230 and the second waterway 330 may be independent of each other. The filtering process of the raw water in the first waterway 230 and the filtering process of the raw water in the second waterway 330 are not interfered with each other. This may facilitate removal of the first filter cartridge 200 or the second filter cartridge 300, thereby facilitating replacement of the first filter cartridge 200 or the second filter cartridge 300.

It should be noted that the first waterway 230 and the second waterway 330 are independent of each other, which does not mean that the first waterway 230 and the second waterway 330 may not communicate with each other. In the filtering apparatus 100, the first waterway 230 and the second waterway 330 are not directly connected. However, when the filtering apparatus 100 is applied to a water purifier or the like, the first waterway 230 and the second waterway 330 may communicate through an external water passing member (e.g., a filter seat 410, which will be described in detail later).

In the filtering device 100 provided by the embodiment of the utility model, the first filter element 200 and the second filter element 300 can be respectively and independently filtered, and can also be communicated through other components, so that composite filtration is performed. And, since the first filter cartridge 200 and the second filter cartridge 300 can be installed and removed, when one of the filter cartridges is damaged or the service life is exhausted, the filter cartridge can be individually replaced. Thus, the filter device 100 does not cause waste, and the use cost of the user is high. And, since the first waterway 230 and the second waterway 330 are independent of each other, the first waterway 230 and the second waterway 330 may be relatively simple, so that design costs and manufacturing costs may be reduced. Based on this, by reasonably providing the second mounting end 310 to be detachably mounted to the first mounting end 210, when one of the first filter cartridge 200 and the second filter cartridge 300 is replaced, the other filter cartridge can be maintained stationary, and the replacement workload can be greatly reduced. Thus, the operation of the other cartridge is not affected during the replacement, and the channeling phenomenon between the first waterway 230 and the second waterway 330, which are independent of each other, does not occur.

It should be noted that the present utility model is not limited to the above-described embodiments, and that many variations and modifications are possible in accordance with the teachings of the utility model, which variations and modifications fall within the scope of the utility model as claimed. For example, the filter device 100 may further include a third filter cartridge or a fourth filter cartridge. These cartridges may also be removably mounted to either the first cartridge 200 or the second cartridge 300.

Illustratively, the plurality of second water passing ports 321 and the plurality of first water passing ports 221 may be oriented in the same direction. The same direction may be any suitable direction, such as an axial direction or a radial direction of the first cartridge. So arranged, the structure of the external water passing member connecting the plurality of first water passing ports 221 and the plurality of second water passing ports 321 can be simpler in practical application of the filtering apparatus 100.

For example, the same direction may be a first one of the axial directions. The first axial direction may be a direction from the second cartridge 300 toward the first cartridge 200. So arranged, the filter device 100 is simpler in structure and lower in manufacturing cost.

Illustratively, the first filter cartridge 200 may include a first filter housing 240. The first mounting end 210 and the plurality of first water passing ports 221 may be oppositely disposed at both ends of the first filter housing 240 in the axial direction. The first waterway 230 and the first filter 250 may be disposed inside the first filter housing 240. The first filter housing 240 may protect the first waterway 230 and the first filter material 250. After the second installation end 310 and the first installation end 210 are installed, the first filter housing 240 can ensure that the first waterway 230 is not affected by the second filter cartridge 300, so that the first waterway 230 and the second waterway 330 can be ensured to be independent from each other.

The second cartridge 300 may include a second filter housing 340 and a projection 350. The second mounting end 310 and the protrusion 350 may be oppositely disposed at both ends of the second filter housing 340 in the axial direction. The second waterway 330 and the second filter 350 may be disposed inside the second filter housing 340. The second filter housing 340 may protect the second waterway 330 and the second filter 350. The protrusion 350 may protrude from the second filter housing 340 in the radial direction of the first filter cartridge 200. The second filter housing 340 and the protrusion 350 may be connected by welding, bonding, or molding, among other suitable means. The second water passing end 320 may be disposed on the protrusion 350. As such, the plurality of second water passing ports 321 may be disposed on the protrusion 350. Thus, the plurality of first water passing ports 221 and the plurality of second water passing ports 321 may be conveniently oriented in the same direction, for example, the first axial direction described above. After the second mounting end 310 and the first mounting end 210 are mounted, the second filter housing 340 and the protrusion 350 can ensure that the second waterway 330 is not affected by the first filter cartridge 200, so that the first waterway 230 and the second waterway 330 can be ensured to be independent of each other. Therefore, the filter device 100 has a simple structure and low manufacturing cost.

Illustratively, the outer peripheral surface of the first filter housing 240 and the outer peripheral surface of the second filter housing 340 may be coplanar. So configured, the filter device 100 is more monolithic and thus easy to manufacture. Further, the dead angle of the outer peripheral surface of the filter device 100 is relatively small, and thus the space for storing dirt can be reduced. And, when the filtering apparatus 100 is mounted to a water purifier or the like, the filtering apparatus 100 is more convenient to mount and dismount.

Illustratively, the first mounting end 210 and the second mounting end 310 may be connected by way of a twist-on-card. Specifically, the first mounting end 210 may be provided with a spin-card connection portion thereon. The second mounting end 310 may be provided with a spin-card adapter connection. The spin-card adapter connection is spin-card connectable to the spin-card connection in the circumferential direction of the first cartridge 200. One of the spin-card connection portion and the spin-card adapter connection portion may be a rotation protrusion, and the other one of the spin-card connection portion and the spin-card adapter connection portion may be a rotation groove. So set up, the installation and the dismantlement of first filter core 200 and second filter core 300 need not to borrow the instrument to the operation is very convenient, and the efficiency of changing the filter core is higher.

Illustratively, the first mounting end 210 may be provided with a recess 211. The opening of the recess 211 may be directed toward the second cartridge 300. The first cartridge 200 can include a bottom wall 2111 and a side wall 2112 extending from an edge of the bottom wall 2111 toward the second cartridge 300. The bottom wall 2111 and the side wall 2112 may enclose a recess 211. The recess 211 may have a spin-on slot 212 therein. The spin card slot 212 may be configured as a spin card connection. The second mounting end 310 may be provided with a mounting head 311. The mounting head 311 may be provided with a spin-on protrusion 312 on an outer sidewall thereof. The spin card protrusion 312 may be configured as a spin card mating connection. The mounting head 311 is pluggable to the groove 211 in the axial direction, and the spin chuck protrusion 312 is spin chuck-connected to the spin chuck groove 212 in the circumferential direction.

The first and second mounting ends 210 and 310 may insert the mounting head 311 into the groove 211 in the axial direction during the mounting process. The first cartridge and/or the second cartridge 300 may then be rotated in a circumferential direction so that the spin-card projections 312 may be spin-card connected to the spin-card slots 212. In this manner, the first mounting end 210 and the second mounting end 310 are connected. Conversely, the first mounting end 210 and the second mounting end 310 may rotate the first filter element and/or the second filter element 300 in the circumferential direction during disassembly, such that the spin-on protrusion 312 may disengage from the spin-on groove 212. Then, the mounting head 311 may be pulled out from the groove 211 in the axial direction. In this manner, the first cartridge 200 and the second cartridge 300 are very convenient to install and remove. In addition, the filter device 100 has simple structure and low manufacturing cost.

Illustratively, the groove 211 may be provided with a first baffle 213 and a second baffle 214 on an inner sidewall (i.e., an inner side of the sidewall 2112). The first baffle 213 may extend in the circumferential direction. The first baffle 213 and the bottom wall 2111 of the groove 211 may be spaced apart in the axial direction. The second baffle 214 may extend from the edge of the first baffle 213 in the axial direction toward the bottom wall 2111 of the groove 211. The inner sidewall of the groove 211, the bottom wall 2111 of the groove 211, the first baffle 213, and the second baffle 214 may be surrounded to form a spin-card slot 212. The first and second mounting ends 210 and 310 may be inserted into the groove 211 in the axial direction during the mounting process. The first cartridge and/or the second cartridge 300 may then be rotated in a circumferential direction such that the spin-card protrusions 312 may spin-card connect to the spin-card slots 212 between the bottom wall 2111 and the first baffle 213. When the snap projections 312 abut the second stop 214, the first and second mounting ends 210, 310 are mounted in place. Thus, the spin-on card slot 212 has a simple structure and low manufacturing cost. And, the second baffle 214 may function as a limit.

Illustratively, the spin-card connection may be a plurality in the circumferential direction. The spin card adapter connection may be a plurality of distributed along the circumferential direction. The plurality of spin card adapter connection parts can be connected to the plurality of spin card connection parts in a one-to-one correspondence. In the embodiment shown in fig. 5 and 6, the spin-card connection portions are two evenly distributed in the circumferential direction. The spin card adaptation connecting portion is two along circumference direction evenly distributed. In other not shown embodiments, the spin-card connections may also be unevenly distributed in the circumferential direction. The spin-card adapter connections may also be unevenly distributed in the circumferential direction. So configured, the first mounting end 210 and the second mounting end 310 may be connected at a plurality of positions in the circumferential direction, so that the strength of the installation may be improved, and the stability of the filtering apparatus 100 may be ensured to be high.

In an embodiment in which the filtering apparatus 100 is applied to the water purifier 400, as shown in connection with fig. 8 to 11, the water purifier 400 may include a filter base 410 and any one of the filtering apparatuses 100 according to the embodiments of the present utility model. The first water passing end 220 is detachably mounted to the filter base 410. Specifically, the first water passing end 220 may be removably mounted to the filter base 410 by any suitable means, such as a threaded connection, a spin-on-card connection, a snap-fit connection, or a connector connection. The plurality of first water passing ports 221 may communicate to the filter base 410 when the first water passing end 220 is mounted to the filter base 410. As such, the first waterway 230 may be waterway-communicated with the filter base 410. The water purifier 400 may further include a water passing member 420. The plurality of second water passing ports 321 may communicate to the filter base 410 through the water passing member 420 when the first water passing end 220 is mounted to the filter base 410 and the second mounting end 310 is mounted to the first water passing end 220. As such, the second waterway 330 may be waterway-communicated with the filter base 410. The water passing member 420 may include a fitting and/or a water pipe or the like. The first waterway 230 may be communicated to the second waterway 330 through the filter base 410. Alternatively, even if the filter base 410 is provided, the first waterway 230 and the second waterway 330 may not be communicated. So configured, the water purifier 400 has a low cost of use.

Illustratively, the water purifier 400 may further include a frame 430. The frame 430 may serve as a skeleton of the water purifier 400, which may serve as a support. The frame 430 may be provided with an inwardly recessed mounting cavity 431. The filter base 410 may be disposed at the bottom of the installation cavity 431. The filter device 100 is detachably inserted into the installation cavity 431. The water passing member 420 may include a transition nozzle 421 and a waterway pipe 422. The transition nozzle 421 may be disposed within the mounting cavity 431. Waterway pipe 422 may be connected between transition nozzle 421 and filter base 410 to achieve waterway communication of the two. Waterway tubing 422 includes, but is not limited to, fittings and/or water tubes. The plurality of second water passing ports 321 may communicate to the transition water ports 421 when the filter device 100 is inserted into the installation cavity 431. The frame 430 may accommodate the first filter cartridge 200, the second filter cartridge 300, the filter base 410, and the like, thereby protecting. So configured, the plurality of second water passing ports 321 of the second filter cartridge 300 may facilitate communication to the filter seat 410.

Illustratively, the water purifier 400 may further include an unlocking mechanism 440. The unlocking mechanism 440 may be used to control the first water passing end 220 to unlock the filter base 410. The unlocking mechanism 440 may control the first cartridge 200 and/or the filter base 410 such that the first cartridge 200 and the filter base 410 may be unlocked. In this manner, the first cartridge 200 may be removed from the filter base 410.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front", "rear", "upper", "lower", "left", "right", "transverse", "vertical", "horizontal", and "top", "bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely for convenience of describing the present utility model and simplifying the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, without limiting the scope of protection of the present utility model; the orientation terms "inner" and "outer" refer to the inner and outer relative to the outline of the components themselves.

For ease of description, regional relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein to describe regional positional relationships of one or more components or features to other components or features illustrated in the figures. It will be understood that the relative terms of regions include not only the orientation of the components illustrated in the figures, but also different orientations in use or operation. For example, if the element in the figures is turned over entirely, elements "over" or "on" other elements or features would then be included in cases where the element is "under" or "beneath" the other elements or features. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". Moreover, these components or features may also be positioned at other different angles (e.g., rotated 90 degrees or other angles), and all such cases 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 in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, components, assemblies, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.

The present utility model has been illustrated by the above-described embodiments, but it should be understood that the above-described embodiments are for purposes of illustration and description only and are not intended to limit the utility model to the embodiments described. In addition, it will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that many variations and modifications are possible in light of the teachings of the utility model, which variations and modifications are within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (14)

1. A filter device, comprising:

the filter comprises a first filter element, a second filter element and a first filter element, wherein the first filter element is provided with a first installation end and a first water passing end which are oppositely arranged along the axial direction of the first filter element, and a plurality of first water passing ports which are communicated with a first waterway in the first filter element are arranged on the first water passing end; and

the second filter core, the second filter core has along the relative second installation end and the second that sets up of axial direction cross water end, the second cross water end be provided with a plurality of second water gap that communicate with the second water route in the second filter core, second installation end detachably install to first installation end, first water route with second water route is independent each other.

2. The filter apparatus of claim 1, wherein the plurality of second water passing ports are oriented in the same direction as the plurality of first water passing ports.

3. The filter device of claim 2, wherein the same direction is a direction from the second filter cartridge to the first filter cartridge in the axial direction.

4. The filter apparatus of claim 2, wherein the first filter cartridge includes a first filter housing, the first mounting end and the plurality of first water passing ports are disposed opposite to each other in the axial direction at both ends of the first filter housing, the first waterway is disposed in the first filter housing, the second filter cartridge includes a second filter housing and a protrusion, the second mounting end and the protrusion are disposed opposite to each other in the axial direction at both ends of the second filter housing, the protrusion protrudes from the second filter housing in the radial direction of the first filter cartridge, the plurality of second water passing ports are disposed on the protrusion, and the second waterway is disposed in the second filter housing.

5. The filter apparatus of claim 4, wherein the outer peripheral surface of the first filter housing and the outer peripheral surface of the second filter housing are coplanar.

6. The filter device of claim 1, wherein a spin-on connection is provided on the first mounting end and a spin-on mating connection is provided on the second mounting end, the spin-on mating connection being spin-on connectable to the spin-on connection along a circumferential direction of the first filter cartridge.

7. The filter device according to claim 6, wherein the first mounting end is provided with a groove, a spin-on groove configured as the spin-on connection portion is provided in the groove, the second mounting end is provided with a mounting head, a spin-on protrusion configured as the spin-on mating connection portion is provided on an outer side wall of the mounting head, the mounting head is pluggable to the groove in the axial direction, and the spin-on protrusion is spin-on connectable to the spin-on groove in the circumferential direction.

8. The filter device according to claim 7, wherein a first baffle plate extending in the circumferential direction and a second baffle plate extending from an edge of the first baffle plate toward a bottom wall of the groove in the axial direction are provided on an inner side wall of the groove, and the inner side wall of the groove, the bottom wall of the groove, the first baffle plate, and the second baffle plate are surrounded to form the spin-lock groove.

9. The filter device according to claim 6, wherein the number of the spin-card connecting portions is plural in the circumferential direction, the number of the spin-card fitting connecting portions is plural in the circumferential direction, and the plurality of the spin-card fitting connecting portions are spin-card connectable to the plurality of the spin-card connecting portions in one-to-one correspondence.

10. The filter device of claim 1, wherein the first filter element is a pre-filter element and the second filter element is a reverse osmosis filter element.

11. The filter device of claim 1, wherein the plurality of second water passing openings are distributed along a straight line.

12. A water purifier comprising a filter block and a filter device according to any one of claims 1 to 11, wherein the first water passing end is detachably mounted to the filter block, the first plurality of water passing ports are in communication with the filter block when the first water passing end is mounted to the filter block, and the second plurality of water passing ports are in communication with the filter block through water passing members when the first water passing end is mounted to the filter block and the second mounting end is mounted to the first water passing end.

13. The water purifier of claim 12, further comprising a frame, wherein an inwardly recessed mounting cavity is provided in the frame, the filter base is disposed at a bottom of the mounting cavity, the filter device is detachably inserted into the mounting cavity, the water passing member comprises a transition water gap disposed in the mounting cavity and a waterway pipe connected between the transition water gap and the filter base, and the plurality of second water passing holes are communicated to the transition water gap when the filter device is inserted into the mounting cavity.

14. The water purifier of claim 12, further comprising an unlocking mechanism for controlling unlocking of the first water passing end from the filter base.

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