WO2016086864A1

WO2016086864A1 - Water purifier

Info

Publication number: WO2016086864A1
Application number: PCT/CN2015/096256
Authority: WO
Inventors: 陈小平; 刘新宇
Original assignee: 佛山市云米电器科技有限公司; 小米科技有限责任公司; 陈小平
Priority date: 2014-12-03
Filing date: 2015-12-03
Publication date: 2016-06-09
Also published as: CN104941300A; RU2666875C9; RU2666875C1; CN104941300B

Abstract

A water purifier, comprising: a water purifier body (10), and a water faucet connector (30) connected to the water purifier body (10) via a calandria assembly (20). The water purifier body (10) is provided with a water purifier water inlet and a water purifier water outlet. The calandria assembly (20) at least comprises a calandria water inlet pipeline and a calandria water outlet pipeline. The water faucet connector (30) is at least provided with a first water inlet (31), a first water outlet (32), a second water inlet (33) and a second water outlet (34). The first water inlet (31) is connected to the first water outlet (32). The first water outlet (32) is connected to a first end of the calandria water inlet pipeline, and a second end of the calandria water inlet pipeline is connected to the water purifier water inlet; and the water purifier water outlet is connected to a first end of the calandria water outlet pipeline, a second end of the calandria water outlet pipeline is connected to the second water inlet (33), and the second water inlet (33) is connected to the second water outlet (34). The water purifier has the advantages of simplifying an installation process and improving installation efficiency.

Description

Water Purifier

Technical field

The present disclosure relates to the technical field of water treatment, and in particular to a water purifier.

Background technique

As a health product, water purifiers are favored by more and more consumers.

Most of the water purifiers that consumers see on the market are kitchen-type water purifiers. As the name suggests, the kitchen-type water purifier is usually installed in the cabinet under the kitchen sink. The water inlet is connected to the tap water inlet pipe, and the water outlet is connected to the water outlet on the counter basin. The kitchen water purifier can filter tap water to obtain pure water. In use, the user can open the tap water on the counter basin to access the purified water filtered by the kitchen water purifier.

In the process of implementing the present disclosure, the disclosed person finds that the above method has at least the following defects: the kitchen-type water purifier requires a professional installer to install according to the structure of the tap water inlet pipe, which is inconvenient to install and has low installation efficiency.

Summary of the invention

In order to solve the problem that the water purifier in the above technology is inconvenient to install and the installation efficiency is low, the embodiment of the present disclosure provides a water purifier. The technical solution is as follows:

According to a first aspect of an embodiment of the present disclosure, a water purifier is provided, the water purifier comprising: a water purifier body, a faucet connector connected to the water purifier body through a tube assembly;

The water purifier body is provided with a water purifier water inlet and a water purifier water outlet;

The pipe assembly includes at least a pipe inlet pipe and a pipe outlet pipe;

The faucet connector is provided with at least a first water inlet, a first water outlet, a second water inlet and a second water outlet;

Wherein the first water inlet is connected to the first water outlet, the first water outlet is connected to the first end of the water inlet pipe of the pipe, and the second end of the water inlet pipe of the pipe is The water purifier inlet is connected; the water purifier outlet is connected to the first end of the drain pipe, and the second end of the drain pipe is connected to the second inlet. The second water inlet is connected to the second water outlet.

Optionally, the faucet connector is further provided with a third water outlet connected to the first water inlet, and the faucet connector is internally provided with an electronically controlled valve assembly;

The electronically controlled valve assembly includes an inlet end, a first outlet end and a second outlet end, the inlet end is connected to the first water inlet, and the first outlet end is connected to the first water outlet, a second outlet end connected to the third outlet;

When the electronically controlled valve assembly is in the first working state, the passage between the inlet end and the first outlet end is in communication, and the passage between the inlet end and the second outlet end is closed;

When the electronically controlled valve assembly is in the second operational state, the passage between the inlet end and the second outlet end is in communication, and the passage between the inlet end and the first outlet end is closed.

Optionally, the electronically controlled valve assembly is an electronically controlled valve that enters and exits; or

The electronically controlled valve assembly includes two electronically controlled valves and three-way connecting elements that are one in and one out; or

The electronically controlled valve assembly includes an electronically controlled valve and a three-way connecting member that are in and out.

Optionally, the water purifier body comprises:

a housing assembly including a bottom case, a side wall, and a top cover;

a waterway plate assembly, the waterway plate assembly is disposed on the bottom casing, wherein the waterway plate assembly is provided with m cascaded waterway cavities, each waterway cavity includes a water inlet interface and a water outlet interface, m≥2 And m is an integer;

a filter element assembly, wherein the filter element assembly comprises an n-stage filter element, each filter element is provided with a filter element water inlet and a filter element water outlet, and the filter element water inlet of the i-th stage filter element is connected with the water outlet interface of the jth water path cavity, the ith The filter element outlet of the stage filter is connected to the inlet interface of the j+1th water path cavity, n≥1 and n is an integer, 1≤i≤n and i is an integer, 1≤j≤m-1 and j is an integer;

a pipe interface assembly, the pipe interface assembly comprising at least a water inlet pipe and a water outlet pipe, the first end of the water inlet pipe is the water purifier water inlet, the second end of the water inlet pipe and the first pipe The water inlet of the water passage is connected, the first end of the water outlet is the water purifier outlet, and the second end of the water outlet is connected to the water outlet of the mth water passage.

Optionally, the water purifier body further includes:

a pump assembly, the pump assembly is provided with a pump inlet and a pump outlet;

Wherein, the pump water inlet is connected to the water outlet interface of the kth waterway cavity, and the pump water outlet is connected with the water inlet interface of the k+1th waterway cavity, 1≤k≤m-1 and k is an integer.

Optionally, each level of filter element includes:

a filter cartridge base, the filter cartridge base is mounted on the waterway plate assembly, and the filter cartridge base is provided with the filter cartridge water inlet and the filter core water outlet;

a filter body, the filter body is detachably connected to the upper portion of the filter base, and the filter body includes a filter space, and the first filter channel and the second filter channel are respectively disposed at two ends of the filter space. A filter medium for filtering is disposed in the filter space; when the filter element is in a use state, the first filter channel is in communication with the filter element water inlet, and the second filter channel is in communication with the filter element water outlet.

Optionally, the filter cartridge base comprises:

a base body, the base body is mounted on the waterway plate assembly, the base body is provided with the filter element water inlet and the filter core water outlet;

a rotating body, the rotating body is rotatably connected to an upper portion of the base body, the rotating body comprises a rotating plate, and the rotating plate is provided with a filter core water inlet pipe and a filter core water outlet pipe;

Wherein, when the filter element is in use, the lower opening of the filter inlet pipe is in communication with the filter inlet, the filter inlet pipe is inserted into the first filter passage, and the filter inserts An upper opening of the water conduit is in communication with the first filter passage, a lower opening of the filter outlet conduit is in communication with the filter outlet, the filter outlet conduit is inserted into the second filter passage, and the The upper opening of the filter outlet pipe is connected to the second filter passage through;

The rotating plate closes the filter element water inlet and the filter element water outlet when the filter element is in a disassembled state.

Optionally, the upper part of the base body is a groove structure, the rotating plate is disposed at a bottom of the groove, the inner side wall of the groove is provided with a first thread structure, and the lower part of the filter body body is a boss structure. A second threaded structure is disposed on the outer sidewall of the boss, the first threaded structure mating with the second threaded structure.

Optionally, a water sealing shoulder, a sealing ring and a water sealing block are disposed in the first filtering channel and the second filtering channel;

The sealing ring is disposed adjacent to the base body, the water sealing block is located above the sealing ring, and the water sealing shoulder is located above the water sealing block;

When the filter element is in use, the filter inlet pipe and the filter outlet pipe are abutted against the water sealing block to the water sealing shoulder, so that the first filtering channel and the filter element enter The water inlet is connected to the water inlet pipe through the filter element, so that the second filter channel and the filter core water outlet are connected through the filter core water outlet pipe;

When the filter element is in the disassembled state, the water sealing block falls into engagement with the sealing ring to close the lower filter port of the first filter channel and the second filter channel.

Optionally, when the at least one filter element comprises a reverse osmosis filter element, the water purifier body is further provided with a water tank assembly, and the reverse osmosis filter element is further provided with a concentrated water outlet;

Wherein, the water tank assembly is provided with a water tank water inlet; the waterway plate assembly is further provided with a concentrated water water passage chamber, wherein the concentrated water water passage chamber comprises a concentrated water inlet interface and a concentrated water outlet interface; the concentrated water outlet The water inlet is connected to the concentrated water inlet port, and the water tank inlet is connected to the concentrated water outlet interface.

Optionally, the water tank assembly is further provided with a water tank outlet, the pipe interface assembly further comprises a concentrated water outlet pipe, and the pipe assembly further comprises a concentrated water pipe outlet pipe, the faucet connector Also provided with a third water inlet;

Wherein the water tank outlet is connected to the first end of the concentrated water outlet pipe, and the second end of the concentrated water outlet pipe is connected to the first end of the concentrated water discharge pipe outlet pipe, The second end of the concentrated water discharge pipe outlet pipe is connected to the third water inlet.

Optionally, at least one water level switch is further disposed on the water tank assembly.

Optionally, each waterway cavity further includes at least one expansion portion;

The expansion portion is disposed between the water inlet interface and the water outlet interface, and a cross-sectional area of the expansion portion is greater than a cross-sectional area of the water inlet interface and a cross-sectional area of the water outlet interface.

Optionally, the water purifier body further includes: a filter cartridge fixing component;

One side edge of the filter fixing assembly is connected to the side wall by a hinge, and at least n fixing holes are disposed on the filter fixing assembly;

A convex structure is disposed on a top surface of each of the filter elements, and the protruding structures are inserted into respective corresponding fixing holes.

Optionally, the protrusion structure is provided with a handle.

The technical solutions provided by the embodiments of the present disclosure may include the following beneficial effects:

The water purifier body is connected to the faucet connector through the tube assembly, and the faucet connector can be directly mounted on the faucet The water outlet solves the problem that the water purifier in the related art is inconvenient to install and has low installation efficiency; the effect of simplifying the installation process and improving the installation efficiency is achieved.

The above general description and the following detailed description are intended to be illustrative and not restrictive.

DRAWINGS

The accompanying drawings, which are incorporated in the specification

1 is a schematic structural view of a water purifier according to an exemplary embodiment;

2 is a schematic structural view of another water purifier according to an exemplary embodiment;

FIG. 3 is a schematic diagram of a faucet connector according to an exemplary embodiment; FIG.

4 is a schematic diagram of another faucet connector, according to an exemplary embodiment;

FIG. 5 is a schematic diagram of another faucet connector according to an exemplary embodiment; FIG.

6 is a schematic diagram of another faucet connector, according to an exemplary embodiment;

FIG. 7 is a schematic diagram of another faucet connector according to an exemplary embodiment; FIG.

Figure 8 is a structural exploded view of a water purifier body, according to an exemplary embodiment;

9 is a schematic diagram of a waterway assembly shown in accordance with an exemplary embodiment;

Figure 10 is a cross-sectional view of a waterway assembly shown in accordance with an exemplary embodiment;

11 is a schematic structural view of a filter cartridge assembly according to an exemplary embodiment;

FIG. 12 is a schematic structural diagram of a pipe joint assembly according to an exemplary embodiment; FIG.

FIG. 13 is a schematic structural view of a filter cartridge according to an exemplary embodiment; FIG.

Figure 14 is a schematic cross-sectional view of a filter cartridge, according to an exemplary embodiment;

FIG. 15 is a schematic structural view of a filter cartridge base according to an exemplary embodiment; FIG.

16 is a schematic view showing a first state of a filter cartridge base according to an exemplary embodiment;

17 is a schematic view showing a second state of a filter cartridge base according to an exemplary embodiment;

FIG. 18 is a schematic view showing a state of use of a filter cartridge according to an exemplary embodiment; FIG.

19 is a schematic view showing a state in which a filter cartridge is disassembled, according to an exemplary embodiment;

20 is a schematic structural view of a fixing assembly according to an exemplary embodiment;

FIG. 21 is a schematic structural view of a water tank cover according to an exemplary embodiment.

The embodiments of the present disclosure have been shown by the above-described drawings, which will be described in more detail later. The drawings and the text are not intended to limit the scope of the present disclosure in any way, and the description of the present disclosure will be described by those skilled in the art by reference to the specific embodiments.

detailed description

Exemplary embodiments will be described in detail herein, examples of which are illustrated in the accompanying drawings. The following description refers to the drawing Identical numbers in the different figures represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present disclosure. Rather, they are merely examples of water purifiers consistent with aspects of the present disclosure as detailed in the appended claims.

1 is a schematic structural view of a water purifier according to an exemplary embodiment. The water purifier may include a water purifier body 10, and a faucet connector 30 connected to the water purifier body 10 through the tube assembly 20.

The water purifier body 10 is provided with a water purifier water inlet and a water purifier water outlet.

The pipe assembly 20 includes at least a pipe inlet pipe and a pipe outlet pipe.

The faucet connector 30 is provided with at least a first water inlet 31, a first water outlet 32, a second water inlet 33, and a second water outlet 34.

Wherein, the first water inlet 31 is connected to the first water outlet 32, the first water outlet 32 is connected to the first end of the water inlet pipe of the drainage pipe, and the second end of the water inlet pipe of the drainage pipe is connected with the water inlet of the water purifier; The water outlet is connected to the first end of the discharge pipe, the second end of the discharge pipe is connected to the second inlet 33, and the second inlet 33 is connected to the second outlet 34.

In summary, the water purifier provided by the embodiment has the water purifier body connected to the faucet connector through the drain pipe assembly, and the faucet connector can be directly installed at the water outlet of the faucet; the water purifier in the related art is solved. The installation is inconvenient and the installation efficiency is low; the effect of simplifying the installation process and improving the installation efficiency is achieved.

2 is a schematic structural view of a water purifier according to another exemplary embodiment. The water purifier may include a water purifier body 10, and a faucet connector 30 connected to the water purifier body 10 through the tube assembly 20.

The faucet connector 30 can be directly mounted to the water outlet of the faucet 40 by a socket. The tap water flowing out from the water outlet of the faucet 40 sequentially flows into the water purifier body 10 through the first water inlet 31, the first water outlet 32, the drain water inlet pipe, and the water purifier water inlet. The water purifier body 10 is used to filter the inflowing tap water to obtain purified water. The purified water flows out through the water purifier outlet, the discharge pipe outlet pipe, the second water inlet 33, and the second water outlet 34 in sequence.

In an alternative embodiment of the present disclosure, as shown in Figure 3, a simplified schematic view of a faucet connector is shown. The faucet connector 30 is further provided with a third water outlet 35 connected to the first water inlet 31, and the faucet connector 30 is internally provided with an electronically controlled valve assembly 36.

The electronically controlled valve assembly 36 includes an inlet end, a first outlet end, and a second outlet end. The inlet end is connected to the first water inlet 31, the first outlet end is connected to the first water outlet 32, and the second outlet end is connected to the third water outlet 35.

When the electronically controlled valve assembly 36 is in the first operational state, the passage between the inlet end and the first outlet end is in communication, and the passage between the inlet end and the second outlet end is closed. At this time, the tap water flowing out from the water outlet of the faucet 40 is filtered by the water purifier body 10 to obtain purified water, and the purified water flows out from the second water outlet 34.

When the electronically controlled valve assembly 36 is in the second operational state, the passage between the inlet end and the second outlet end is in communication, and the passage between the inlet end and the first outlet end is closed. At this time, the tap water flowing out from the water outlet of the faucet 40 is not filtered by the water purifier body 10, and the tap water directly flows out from the third water outlet 35.

As shown in FIG. 4, in one possible embodiment, the electronically controlled valve assembly 36 is an in-and-out electronically controlled valve 361. The inlet end 361a of the electronically controlled valve 361 is connected to the first water inlet 31, the first outlet end 361b of the electronically controlled valve 361 is connected to the first water outlet 32, and the second outlet end 361c and the third of the electronically controlled valve 361 are connected. The water outlet 35 is connected. In the first working state, the passage between the inlet end 361a of the electronically controlled valve 361 and the first outlet end 361b is in communication, and the passage between the inlet end 361a and the second outlet end 361c is closed; in the second working state, The passage between the inlet end 361a and the second outlet end 361c of the electrically controlled valve 361 is in communication, and the passage between the inlet end 361a and the first outlet end 361b is closed.

As shown in FIG. 5, in another possible embodiment, the electronically controlled valve assembly 36 includes two electronically controlled

valves

362, 363 and a three-way connecting member 364 that are in and out. The first port 364a of the three-way connecting member 364 is connected to the first water inlet 31; the second port 364b of the three-way connecting member 364 is connected to the inlet end of the first electronically controlled valve 362, and the outlet of the first electronically controlled valve 362 The end is connected to the first water outlet 32; the third port 364c of the three-way connecting member 364 is connected to the inlet end of the second electronically controlled valve 363, and the outlet end of the second electronically controlled valve 363 is connected to the third water outlet 35. In the first operating state, the first electronically controlled valve 362 is opened and the second electronically controlled valve 363 is closed; in the second operating state, the first electrically controlled valve 362 is closed and the second electrically controlled valve 363 is opened.

As shown in FIG. 6, in yet another possible embodiment, the electronically controlled valve assembly 36 includes an electronically controlled valve 365 and a three-way connecting member 366 that are in and out. Wherein, the first port 366a of the three-way connecting member 366 is connected to the first water inlet 31; the second port 366b of the three-way connecting member 366 is connected to the first water outlet 32; and the third port 366c of the three-way connecting member 366 is electrically connected The inlet end of the control valve 365 is connected, and the outlet end of the electronically controlled valve 365 is connected to the third water outlet 35. In the first operating state, the electronically controlled valve 365 is closed; in the second operating state, the electronically controlled valve 365 is opened.

In the different embodiments illustrated in Figures 4, 5, and 6, the electrically controlled valve refers to a valve that is electrically controlled to open/close, such as a solenoid valve or an electric valve. The electrically controlled valve can be connected by a wire and a control circuit that switches the electronically controlled valve assembly 36 between the first operational state and the second operational state by controlling the on/off of the electrically controlled valve. Optionally, the surface of the faucet connector 30 may further be provided with at least one operation button, and the at least one operation button is connected to the control circuit through a wire. The at least one operating button is used to effect user control of the operational state of the electronically controlled valve assembly 36. For example, the at least one operation button may include a tap water button and a pure water button, and the electronically controlled valve assembly 36 may be in a second working state by default. When the user clicks on the pure water button, the control circuit receives the first operational indication and sends a first control signal to the electronically controlled valve assembly 36 according to the first operational indication, the first control signal being used to control the electronically controlled valve assembly 36 by the second The working state is switched to the first working state. When the user clicks the tap button, the control circuit receives the second operational indication and sends a second control signal to the electronically controlled valve assembly 36 according to the second operational indication, the second control signal for controlling the electronically controlled valve assembly 36 to be operated by the first The state is switched to the second working state.

It should be noted that in the embodiment shown in FIG. 6, by properly designing the structure inside the faucet connector 30 or by the resistance of the internal components of the water purifier body 10 to water, it is ensured that the electronically controlled valve 365 is opened. At this time, the tap water flowing out from the water outlet of the faucet 40 directly flows out from the third water outlet 35. For example, as shown in FIG. 6, the passage between the first water inlet 31 and the first water outlet 32 is designed to be vertical, and the passage between the first water inlet 31 and the third water outlet 35 is vertically downward, when two When the strip water outlets are in communication, the tap water will flow directly from the third water outlet 35. For another example, since the filter element assembly inside the water purifier body 10 has resistance to water, the tap water flowing out of the water outlet of the faucet 40 will automatically select a passage having a small resistance, that is, directly flowing out of the third water outlet 35.

In addition, as shown in FIG. 7, the second water outlet 34 and the third water outlet 35 may also be integrated into one common water outlet 37. In this case, a three-way connecting member 38 is also provided inside the faucet connector 30. The first port 38a of the three-way connecting member 38 is connected to the second water inlet 33; the second port 38b of the three-way connecting member 38 is connected to the common water outlet 37; the third port 38c of the three-way connecting member 38 is electrically charged The control valve assembly 36 is coupled to the first water inlet 31. By integrating the second water outlet 34 and the third water outlet 35 into a common water outlet 37, the user can select the water outlet during the water intake process, which is convenient for the user to operate and improve the user experience.

Referring to FIG. 3, FIG. 4, FIG. 5, FIG. 6, or FIG. 7, when the electronically controlled valve assembly 36 is in different working states, the faucet can be made by means of the high-speed momentary characteristics of the electronically controlled valve in the electronically controlled valve assembly 36. At least one open water outlet passage is always maintained inside the connector 30, which can effectively avoid the pressure bearing problem of the faucet connector 30, eliminate the leakage and collapse of the joint, and improve the safety of use.

In an alternative embodiment of the present disclosure, as shown in Figure 8, an exploded view of the structure of a water purifier body is shown. The water purifier body 10 includes a housing assembly, a waterway assembly 12, a cartridge assembly 13 and a tube interface assembly 14. among them:

The housing assembly includes a bottom case 111, a side wall 112, and a top cover 113.

The waterway plate assembly 12 is disposed on the bottom case 111. Referring to FIG. 9 and FIG. 10, the waterway panel assembly 12 is internally provided with m cascaded waterway cavities 121, each of which includes a water inlet port 121a and a water outlet port 121b, m≥2 and m is an integer. The respective waterway cavities 121 are arranged to intersect in a three-dimensional space. As shown in FIG. 9, for example, the waterway assembly 12 can be approximately square in shape, and the outer side of the waterway assembly 12 has six interfaces, and one or more of the interfaces can be selected as the interface interface 122. One or more interfaces, that is, a water inlet interface 121a and/or a water outlet interface 121b, may be disposed on each interface interface 122. Each interface is used to connect components in sequence, such as filter cartridges, booster pumps, valves, and more. Of course, in other possible implementations, the shape of the waterway assembly 12 can also be selected as other polyhedrons, and the number of interface interfaces 122 is not limited. The structure of the cross-section of the water-path panel assembly 12 is one-piece injection molding, and the other implementation is to use 3D printing, and of course, it can be selected by combining molding and machining.

The filter element assembly 13 includes an n-stage filter element, each of which is provided with a filter element water inlet and a filter element water outlet, n ≥ 1 and n is an integer. The number of stages of the filter element included in the filter element assembly 13 and the type of filter elements of each stage can be selected according to actual conditions. In the normal case, the filter element assembly 13 includes a front filter element, a main filter element and a rear filter element. As shown in FIG. 11, for example, the filter element assembly may include a 4-stage filter element, which in turn is: a PP cotton filter element 131a, a pre-activated carbon filter element 131b, a reverse osmosis filter element 131c, and a post-activated carbon filter element 131d. Among them, the PP cotton filter element 131a is used for removing sludge and the like in the tap water; the pre-activated carbon filter element 131b is used for adsorbing and filtering the pollutants, odor and color in the tap water; The permeable filter core 131c is used for filtering heavy metal ions, bacteria, viruses, colloids, radioactive substances, dissolved salt ions and various pollutants harmful to the human body in the tap water; the post-activated carbon filter 131d is used for further filtering the water and improving Water purification effect. In addition, the filter inlet of the i-th filter element is connected to the water outlet of the j-th waterway cavity, and the filter outlet of the i-th filter is connected to the inlet interface of the j+1th waterway cavity, 1≤i≤n and i Is an integer, 1 ≤ j ≤ m-1 and j is an integer. Taking the above-mentioned 4-stage filter element as an example, the filter inlet of the first-stage PP cotton filter element is connected with the water outlet port of the first waterway cavity, and the filter element outlet of the first-stage PP cotton filter element is connected with the inlet interface of the second waterway cavity. The filter element inlet of the second stage pre-activated carbon filter element 131b is connected to the outlet port of the second water path cavity, and the filter element outlet of the second stage pre-activated carbon filter element 131b is connected to the inlet interface of the third water path cavity; The filter inlet of the reverse osmosis filter 131c is connected to the outlet of the third water passage, and the filter outlet of the third stage reverse osmosis filter 131c is connected to the inlet of the fourth water passage; the fourth stage activated carbon filter The 131d filter inlet is connected to the outlet of the 4th water channel, and the filter outlet of the 4th stage activated carbon filter 131d is connected to the inlet of the 5th channel.

As shown in FIG. 12, the tube interface assembly 14 includes at least a water inlet conduit 141 and a water outlet conduit 142. The first end of the water inlet pipe 141 is a water purifier water inlet, and the second end of the water inlet pipe 141 is connected to the water inlet port of the first water channel cavity. The first end of the water outlet pipe 142 is a water purifier water outlet, and the second end of the water outlet pipe 142 is connected to the water outlet of the mth waterway cavity.

Optionally, as shown in FIG. 8 , the water purifier body 10 may further include: a pump assembly 15 . The pump assembly 15 is provided with a pump inlet and a pump outlet. Wherein, the pump water inlet is connected with the water outlet interface of the kth waterway cavity, and the pump water outlet is connected with the water inlet interface of the k+1th waterway cavity, 1≤k≤m-1 and k is an integer. The pump assembly 15 can be a booster pump that is used to pressurize water and provide pressurized water to the filter element. By setting the booster pump, the water supply speed and water supply flow rate can be guaranteed. Under normal circumstances, a booster pump is placed between the front filter element and the main filter element. For example, still taking the above-mentioned 4-stage filter element as an example, the booster pump can be disposed between the second-stage pre-activated carbon filter element 131b and the third-stage reverse osmosis filter element 131c. At this time, the filter inlet of the first stage PP cotton filter is connected to the outlet interface of the first water passage chamber, and the filter outlet of the first stage PP cotton filter is connected with the inlet interface of the second water passage; before the second stage The filter inlet of the activated carbon filter element 131b is connected to the water outlet of the second water passage chamber, and the filter outlet of the second stage pre-activated carbon filter element 131b is connected with the inlet interface of the third water passage chamber; the pump inlet of the booster pump Connected to the water outlet of the third waterway cavity, the pump outlet of the booster pump is connected to the inlet interface of the fourth waterway cavity; the water inlet of the filter element inlet of the third stage reverse osmosis filter 131c and the fourth waterway cavity Connected, the filter element outlet of the third stage reverse osmosis filter element 131c is connected to the inlet port of the fifth waterway cavity; the filter element inlet of the fourth stage rear activated carbon filter element 131d is connected with the outlet interface of the fifth waterway cavity, the fourth The filter element outlet of the stage rear activated carbon filter element 131d is connected to the inlet port of the sixth water path chamber.

In an alternative embodiment of the present disclosure, as shown in Figures 13 and 14, a schematic structural view of a filter cartridge is shown. Each stage of the filter cartridge assembly includes a cartridge base 132 and a cartridge body 133.

The filter cartridge base 132 is mounted to the waterway plate assembly 12. The filter cartridge base 132 can be mounted to the waterway plate assembly 12 by a fixing member such as a screw or a bolt. The filter element base 132 is provided with a filter water inlet 132a and a filter water outlet 132b. The filter inlet 132a and the filter outlet 132b are both connected to the outside to form two inlet and outlet channels, respectively.

The cartridge body 133 is detachably connected to the upper portion of the filter cartridge base 132 for maintenance. Inside the filter body 133 The filter space 133a is disposed, and the first filter channel 133b and the second filter channel 133c are respectively disposed at two ends of the filter space 133a. The filter space 133a is provided with a filter medium 133d for filtering to filter the passing water or other liquid. . When the filter element is in use, the first filter passage 133b communicates with the filter element water inlet 132a, and the second filter passage 133c communicates with the filter element water outlet 132b.

The filter element provided by the embodiment of the present disclosure can be introduced into the water through the lower filter element base 132. The filter element body 133 is disposed on the upper part of the filter element base 132 to form an inverted vertical structure, which not only saves the pipeline arrangement, but also has a more compact filter structure.

The structure of the filter cartridge base 132 is as shown in FIG. The filter cartridge base 132 includes a base 132c and a swivel 132d. among them:

The base 132c is mounted on the waterway assembly to support the swivel 132d. The lower portion of the base 132c is a block, and the filter inlet 132a and the filter outlet 132b are disposed on the block and extend out of the block and are connected to the corresponding interface on the waterway assembly through the joint. The upper portion of the base 132c is a groove structure, and a first thread structure is further disposed on the inner side wall of the groove 132c1, and the first thread structure may be an internal thread or a bevel structure similar to the internal thread. Correspondingly, the lower part of the filter body 133 is a boss structure, and the outer side wall of the boss 133e is provided with a second thread structure, and the second thread structure is matched with the first thread structure.

The swivel 132d is rotatably coupled to the upper portion of the base 132c. The rotating body 132d includes a rotating plate 132d1, a filter inlet pipe 132d2, and a filter outlet pipe 132d3. The filter inlet pipe 132d2 and the filter outlet pipe 132d3 are disposed on the rotating plate 132d1. The rotating plate 132d1 is a sheet-like structure, and the outer edge is matched with the bottom surface of the groove 132c1 of the base 132c. The lower end surface of the rotating plate 132d1 abuts against the bottom surface of the groove 132c1, and is located at the lower end surface of the rotating plate 132d1 and the bottom surface of the groove 132c1. A sealing structure 132d4 (shown in Figures 18 and 19) is also provided. The sealing structure 132d4 is typically a sealing ring or a gasket. The upper portion of the rotating plate 132d1 is pressed by the detachable fixing member, and the pressing force is appropriate, so as to ensure that the rotating plate 132d1 can be rotated in a plane with respect to the base 132c, and the lower end surface of the rotating plate 132d1 and the bottom surface of the groove 132c1 can be sealed. reliable. A filter inlet pipe 132d2 and a filter outlet pipe 132d3 are connected to the rotating plate 132d1. The lower opening of the filter inlet pipe 132d2 and the filter outlet pipe 132d3 correspond to the filter inlet 132a and the filter outlet 132b, respectively.

As shown in FIG. 16 and FIG. 17, the different positions of the rotating plate 132d1 correspond to different states, and there are two states in this embodiment. Wherein, when the filter element is in use, the lower opening of the filter inlet pipe 132d2 communicates with the filter inlet 132a, and the filter inlet pipe 132d is inserted into the first filter passage 133b (please refer to FIG. 18 and FIG. 19 together) And the upper opening of the filter inlet pipe 132d is in communication with the first filter passage 133b. At the same time, the lower opening of the filter outlet pipe 132d3 communicates with the filter outlet 132b, the filter outlet pipe 132d3 is inserted into the second filter passage 133c, and the upper opening of the filter outlet pipe 132d3 communicates with the second filter passage 133c. At this time, the filter inlet 132a, the filter inlet pipe 132d2 and the first filter passage 133b are sequentially connected, and water or other liquid enters the filter space 133a through the communication passage; at the same time, the filter outlet 132b, the filter outlet pipe 132d3 and The second filter passages 133c are sequentially connected, and filtered water or other liquid flows out from the filter space 133a through the communicating passages, as shown in FIGS. 16 and 18. In addition, when the filter element is in the disassembled state, the rotating plate 132d1 closes the filter element water inlet 132a and the filter element water outlet 132b. When the filter element is in the disassembled state, the rotating plate 132d1 rotates, and the filter inlet pipe 132d2 on the rotating plate 132d1 does not Corresponding to the filter inlet 132a, the filter outlet pipe 132d3 also no longer corresponds to the filter outlet 132b, as shown in FIG.

Referring to FIG. 14, the bottom of the filter space 133a communicates with the first filter passage 133b, and the top of the filter space 133a communicates with the second filter passage 133c. In order to prevent the air from escaping during the filtration process and staying on top of the filter space 133a, a guide tube 133f is connected to the second filter passage 133c. The guiding tube 133f is located in the middle of the filtering space 133a and extends in the axial direction. The upper opening of the guiding tube 133f is disposed near the top of the filtering space 133a, and the lower opening communicates with the second filtering channel 133c. When the water or other liquid is filtered through the filter material 133d, it can only enter the guide tube 133f through the top gap of the filter space 133a, which causes a certain pressure so that the air cannot escape from it, but enters with the water or other liquid. The tube 133f is led and discharged through the second filter passage 133c.

Referring to Figures 18 and 19, in order to facilitate the filling and closing of the filter material and to facilitate the installation of the guide tube 133f, a bracket 133g is further disposed in the filter space 133a. The main body of the bracket 133g is a pallet, the outer peripheral edge is adapted to the inner wall structure of the filter space, and the middle portion of the bracket 133g is a hollow shaft structure, and the hollow shaft is internally provided with a stepped through hole. The lower portion of the guiding tube 133f is sleeved with a bushing 133h, and is inserted into the stepped through hole together with the bushing 133h. The lower end of the guiding tube 133f is pressed against the stepped surface of the stepped through hole. To ensure the sealing, a sealing ring 133i1 is disposed between the guiding tube 133f and the stepped through hole. The lower portion of the bracket 133g is attached to the upper shoulder 133j of the second filter passage 133c, and the bracket 133g and the second filter passage 133c are sealed by a seal ring 133i2. Further, a pad 133k is provided on the pallet of the bracket 133g to enclose the filter medium 133d in the filter space 133a. The structure is inserted through the full circle, and the coaxial anti-dwelling can be realized, and the 180-degree anti-dwelling makes the overall assembly of the filter element simpler and more convenient.

Optionally, referring to FIG. 18 and FIG. 19, the first filter channel 133b and the second filter channel 133c are respectively provided with a water sealing shoulder 133l, a sealing ring 133m and a water sealing block 133n. The sealing ring 133m is disposed near the base 132c, the sealing block 133n is located above the sealing ring 133m, and the sealing shoulder 133l is located above the sealing block 133n. When the filter element is in use, as shown in FIG. 18, the filter inlet pipe 132d2 and the filter outlet pipe 132d3 abut against the water sealing block 133n to the water sealing shoulder 133l, so that the first filter passage 133b and the filter inlet 132a pass. The filter inlet pipe 132d2 communicates with the second filter passage 133c and the filter outlet 132b through the filter outlet pipe 132d3. When the filter element is in the disassembled state, as shown in Fig. 19, the water sealing block 133n falls into engagement with the seal ring 133m, closing the lower port of the first filter passage 133b and the second filter passage 133c. The falling of the water sealing block 133n may be realized by the self-weight, or a return spring (not shown) may be disposed between the water sealing shoulder 133l and the water sealing block 133n, under the action of the return spring. The water sealing block 133n is allowed to fall.

Referring to FIG. 14 to FIG. 19, in the process of initially installing the filter element, the rotating body 132d is first loaded into the base body 132c, and the entire filter element base 132 is mounted on the waterway plate assembly through the connecting member, and the rotating plate 132d1 closes the filter element. The water inlet 132a and the filter water outlet 132b. Then, the lower boss 133e of the filter body 133 is inserted corresponding to the groove 132c1 of the base 132c. Under the cooperation of the two threads (or similar threads), the filter body 133 and the rotating body 132d rotate together with respect to the base 132c, and after rotating into position, turn The filter inlet pipe 132d2 on the body 132d communicates with the filter inlet 132a, the filter outlet pipe 132d3 communicates with the filter outlet 132b, and the upper portion of the filter inlet pipe 132d2 and the filter outlet pipe 132d3 falls in the filter body 133. The middle sealing water block 133n is topped up, so that the upper opening of the filter inlet pipe 132d2 communicates with the first filtering passage 133b, and the upper outlet opening and the second of the filter outlet pipe 132d3 The filter passage 133c is in communication. The water or other liquid that needs to be filtered at this time can enter and exit the filter space 133a in the filter element body 133 through the above-mentioned passage, and is processed through the filter medium 133d.

When the filter body 133 is disassembled, the filter body 133 is rotated. Under the cooperation of the two threads (or similar threads), the filter body 133 and the rotating body 132d rotate together with respect to the base 132c. After being rotated into position, the rotating plate 132d1 on the rotating body 132d is closed. The filter inlet 132a and the filter outlet 132b, and the upper portion of the filter inlet pipe 132d2 and the filter outlet pipe 132d3 release the water sealing block 133n during the raising of the filter body 133, and the sealing block 133n is under the action of the self-weight or the return spring. It falls and cooperates with the seal ring 133m, thereby closing the outer port of the first filter passage 133b and the second filter passage 133c, so that water or other liquid in the cartridge body 133 does not drip out.

When the cartridge body 133 is installed again, it is only necessary to screw the cartridge body 133 into the fixed filter cartridge base 132, and the communication process is as described above.

In addition, the filter element structure provided by the embodiment can also be applied to a non-inverted vertical filter element, and the structure can still be used in other filter elements (such as a horizontal structure).

In addition, referring to FIG. 8, when the at least one primary filter element includes a reverse osmosis filter element, the water purifier body 10 is further provided with a water tank assembly 16, and the reverse osmosis filter element is further provided with a concentrated water outlet. Wherein, the water tank assembly 16 is provided with a water tank inlet. The waterway plate assembly 12 is also internally provided with a condensed water channel. The concentrated water channel includes a concentrated water inlet port and a concentrated water outlet port. The concentrated water outlet is connected to the concentrated water inlet interface, and the water inlet of the tank is connected with the concentrated water outlet interface. The water tank assembly 16 is for storing concentrated water discharged from the reverse osmosis filter.

Optionally, as shown in FIG. 8, the water tank assembly 16 is further provided with at least one water level switch 161. The water level switch 161 is used to determine the amount of water in the water tank assembly 16. When the amount of water in the water tank assembly 16 exceeds a preset value, the user may be prompted to treat the concentrated water or automatically discharge the concentrated water. In a possible embodiment, the water tank assembly 16 is further provided with a water tank outlet. Correspondingly, as shown in FIG. 12, the pipe interface assembly 14 further includes a concentrated water outlet pipe 143; the pipe assembly 20 further includes a concentrated water pipe outlet pipe, and the faucet connector 30 is further provided with a third water inlet. Wherein, the water tank outlet is connected to the first end of the concentrated water outlet pipe 143, and the second end of the concentrated water outlet pipe 143 is connected to the first end of the concentrated water discharge pipe outlet pipe, and the concentrated water discharge pipe outlet pipe is The second end is connected to the third water inlet. In addition, the third water inlet on the faucet connector 30 may be connected to the third water outlet 35 through the three-way connecting member, and the concentrated water is discharged from the third water outlet 35; or the faucet connector 30 is also provided with the third inlet. The fourth water outlet connected to the nozzle is discharged from the fourth water outlet.

In an alternative embodiment of the present disclosure, as shown in FIG. 10, a cross-sectional view of a waterway assembly 12 is shown. Figure 10 shows two waterway cavities, including a first waterway cavity 1211 and a second waterway cavity 1212. Each waterway cavity includes a water inlet port 121a and a water outlet port 121b. In addition, each waterway cavity further includes at least one expansion portion 121c disposed between the water inlet port 121a and the water outlet port 121b. A smooth transition between the water inlet port 121a and the expansion portion 121c, and between the water outlet port 121b and the expansion portion 121c. In addition, the cross section of the water passage in the water passage cavity may be circular, or may be other polygons such as an ellipse or a rectangle.

In addition, the cross-sectional area of the expansion portion 121c is larger than the cross-sectional area of the water inlet port 121a and the cross-sectional area of the port of the water outlet 121b.

For example, as shown in the first waterway cavity 1211 in FIG. When the cross section of the flow passage in the first water passage chamber 1211 is circular, it is assumed that the diameter of the water inlet port 121a of the first water passage chamber 1211 is A1, and the diameter of the water outlet port 121b of the first water passage chamber 1211 is B1, the first water passage. The diameter of the expansion portion 121c of the cavity 1211 is C1, where C1>A1>B1, so that the flow path in the water passage cavity forms a typical small-large-small structure. In this way, the flow rate of water or other liquid in the flow passage of the water passage cavity is slowed, and the friction with the side wall of the flow passage is reduced, thereby reducing the loss of water flow, thereby increasing the water output and reducing the power demand for driving the water flow.

For another example, as shown in the second waterway cavity 1212 in FIG. When the cross section of the flow passage in the second water passage chamber 1212 is circular, it is assumed that the diameter of the water inlet port 121a of the second water passage chamber 1212 is A2, and the diameter of the water outlet port 121b of the second water passage chamber 1212 is B2, the second water passage. The diameter of the expansion portion 121c of the cavity 1212 is C2, where C2>B2>A2, so that the flow path in the water passage cavity forms a typical small-large-small structure. In this way, the flow rate of water or other liquid in the flow passage of the water passage cavity is slowed, and the friction with the side wall of the flow passage is reduced, thereby reducing the loss of water flow, thereby increasing the water output and reducing the power demand for driving the water flow. In addition, when the cross-sectional area of the water outlet port 121b is larger than the cross-sectional area of the water inlet port 121a, the flow rate of the water stream on the side of the water outlet port 121b is smaller than the flow rate at the side of the water inlet port 121a. Therefore, the design can also reduce the inlet port. The influence of the instantaneous pressure change on the side of the 121a on the water pressure on the water outlet port 121b side.

Of course, in other possible embodiments, the cross-sectional area of the water inlet port 121a of the waterway cavity may also be equal to the cross-sectional area of the water outlet port 121b.

Optionally, the water channel cavity can also accommodate a water quality sensor probe, such as a TDS (Total Dissolved Solids) probe, and the expansion portion is used as a water flow buffer tank, and the water quality detection in the expansion portion can improve the detection data. Stability.

In an alternative embodiment of the present disclosure, in conjunction with FIGS. 8 and 20, the water purifier body 10 further includes a cartridge retaining assembly 17. One side edge of the filter fixing assembly 17 is connected by a hinge 171 and a side wall 112. The filter fixing assembly 17 is provided with at least n fixing holes 172, n being a positive integer. Correspondingly, with reference to FIG. 13 and FIG. 14, the top surface of each filter element is provided with a convex structure 134 which is inserted into each corresponding fixing hole 172. When the filter element fixing assembly 17 is in the closed state, the convex structures 134 on the top surface of each of the filter elements are fixed by the corresponding fixing holes 172, and no shaking occurs when the filter element is subjected to vibration or impact. Optionally, the filter fixing assembly 17 can also be provided with an opening handle 173. The opening handle 173 can be configured as a hole-like structure as shown in FIG. 20, or can be configured as a convex structure or other for facilitating opening and closing of the filter fixing assembly 17. structure.

Optionally, with reference to FIG. 8 and FIG. 20, when the water tank assembly 16 is further disposed in the water purifier body 10, a water tank cover 162 (shown in FIG. 21) may be disposed above the water tank assembly 16. A convex structure 163 is disposed on the top surface of the water tank cover 162. Correspondingly, the filter fixing assembly 17 is further provided with a water tank fixing hole 174. The raised structure 163 of the water tank cover 162 is inserted into the water tank fixing hole 174 to be fixed, and when the water tank assembly 16 is subjected to vibration or impact, the water tank cover 162 is not loosened, and water inside the water tank assembly 16 is splashed.

Optionally, as shown in FIG. 13 , a handle 135 may be disposed on the protruding structure 134 on the top surface of each filter element for manual operation, so that the user can disassemble the filter element. Optionally, as shown in FIG. 14, the outer peripheral surface of the filter body 133 may also be provided with a damping rubber 136 to reduce vibration and avoid damage to the filter body 133 due to collision.

In addition, in other possible embodiments, the water purifier body 10 may be further provided with a main control chip, and the faucet connector 30 may be internally provided with a control circuit. The main control chip and the control circuit can be connected by wires, and the wires can be disposed inside the pipe assembly 20. The main control chip is used to control the start and stop of the pump assembly 15 in the water purifier body 10. The control circuit is used to control the electronically controlled valve assembly 36 within the faucet connector 30 to switch between different operating conditions. Through the cooperation of the main control chip and the control circuit, when the user needs to take the pure water, the electronically controlled valve assembly 36 is in the first working state, the water purifier starts to produce water, and the purified water filtered by the water purifier is connected from the faucet. The device 30 flows out; when the user needs to take tap water, the electronically controlled valve assembly 36 is in the second working state, and the tap water flows directly from the faucet connector 30.

In addition, in other possible embodiments, a water flow sensor may be disposed inside the faucet connector 30 or in the drain water inlet pipe, and the water flow sensor is connected to the control circuit or the main control chip through the wire. The water flow sensor can be an impeller type water flow sensor. The water flow sensor is used to detect the water supply of the faucet outlet. When the water source is stopped or the water supply is not normal, the water purifier does not start the booster pump to make water, so that the booster pump can drain the water adsorbed in the filter element to ensure the efficiency of the next water production.

In addition, in other possible embodiments, the faucet connector 30 may be internally provided with a temperature sensor, and the temperature sensor is connected to the control circuit or the main control chip through a wire. The temperature sensor is used to detect the temperature of the water flowing out from the water outlet of the faucet. When the temperature is higher than the set value, the water purifier cuts off the water inlet pipe to prevent the high temperature water flow from flowing into the filter element to damage the filter element and prolong the service life of the filter element.

In summary, the water purifier provided by the embodiment of the present disclosure has a water purifier body connected to the faucet connector through the drain pipe assembly, and the faucet connector can be directly installed at the water outlet of the faucet; the water purification in the related art is solved. The installation is inconvenient and the installation efficiency is low; the effect of simplifying the installation process and improving the installation efficiency is achieved.

In addition, the embodiments of the present disclosure also provide at least one open water outlet passage inside the faucet connector by providing an electronically controlled valve assembly inside the faucet connector by means of the high-speed momentary characteristics of the electronically controlled valve in the electronically controlled valve assembly. It can effectively avoid the pressure bearing problem of the faucet connector, eliminate the leakage and collapse of the joint, and improve the safety of use.

In addition, the embodiments of the present disclosure also provide a waterway board assembly inside the water purifier body, and sequentially connect the filter elements, pumps and other components through the water channel board assembly, thereby avoiding complicated pipeline connection and simplifying the structure.

In addition, the embodiment of the present disclosure further introduces water into the water through the filter base of the lower part of the filter element, and the filter body is disposed on the upper part of the filter base to form an inverted vertical structure, which not only saves the pipeline arrangement, but also has a more compact filter structure. In addition, the filter element is also designed to prevent dripping and water leakage, which fully guarantees the safety of use and improves the user experience.

Other embodiments of the present disclosure will be apparent to those skilled in the <RTIgt; The present application is intended to cover any variations, uses, or adaptations of the present disclosure, which are in accordance with the general principles of the disclosure and include common general knowledge or common technical means in the art that are not disclosed in the present disclosure. . The specification and examples are to be regarded as illustrative only,

It should be understood that the present disclosure is not limited to the precise structures that have been described above and illustrated in the drawings, and Various modifications and changes are made without departing from the scope thereof. The scope of the disclosure is to be limited only by the appended claims.

Claims

A water purifier, characterized in that: the water purifier comprises: a water purifier body, a faucet connector connected to the water purifier body through a pipe assembly;

The water purifier body is provided with a water purifier water inlet and a water purifier water outlet;

The pipe assembly includes at least a pipe inlet pipe and a pipe outlet pipe;

The faucet connector is provided with at least a first water inlet, a first water outlet, a second water inlet and a second water outlet;

Wherein the first water inlet is connected to the first water outlet, the first water outlet is connected to the first end of the water inlet pipe of the pipe, and the second end of the water inlet pipe of the pipe is The water purifier inlet is connected; the water purifier outlet is connected to the first end of the drain pipe, and the second end of the drain pipe is connected to the second inlet. The second water inlet is connected to the second water outlet.
The water purifier according to claim 1, wherein the faucet connector is further provided with a third water outlet connected to the first water inlet, and the faucet connector is internally provided with an electronically controlled valve assembly ;

The electronically controlled valve assembly includes an inlet end, a first outlet end and a second outlet end, the inlet end is connected to the first water inlet, and the first outlet end is connected to the first water outlet, a second outlet end connected to the third outlet;

When the electronically controlled valve assembly is in the first working state, the passage between the inlet end and the first outlet end is in communication, and the passage between the inlet end and the second outlet end is closed;

When the electronically controlled valve assembly is in the second operational state, the passage between the inlet end and the second outlet end is in communication, and the passage between the inlet end and the first outlet end is closed.
A water purifier according to claim 2, wherein

The electronically controlled valve assembly is an electronically controlled valve that is in and out; or

The electronically controlled valve assembly includes two electronically controlled valves and three-way connecting elements that are one in and one out; or

The electronically controlled valve assembly includes an electronically controlled valve and a three-way connecting member that are in and out.
The water purifier according to claim 1, wherein the water purifier body comprises:

a housing assembly including a bottom case, a side wall, and a top cover;

a waterway plate assembly, the waterway plate assembly is disposed on the bottom casing, wherein the waterway plate assembly is provided with m cascaded waterway cavities, each waterway cavity includes a water inlet interface and a water outlet interface, m≥2 And m is an integer;

a filter element assembly, wherein the filter element assembly comprises an n-stage filter element, each filter element is provided with a filter element water inlet and a filter element water outlet, and the filter element water inlet of the i-th stage filter element is connected with the water outlet interface of the jth water path cavity, the ith The filter element outlet of the stage filter is connected to the inlet interface of the j+1th water path cavity, n≥1 and n is an integer, 1≤i≤n and i is an integer, 1≤j≤m-1 and j is an integer;

a pipe interface assembly, the pipe interface assembly comprising at least a water inlet pipe and a water outlet pipe, the first end of the water inlet pipe is the water purifier water inlet, the second end of the water inlet pipe and the first pipe The water inlet port of the waterway cavity is connected, the first end of the water outlet pipe is the water purifier water outlet, and the water outlet of the second end of the water outlet pipe and the mth water channel cavity connection.
The water purifier according to claim 4, wherein the water purifier body further comprises:

a pump assembly, the pump assembly is provided with a pump inlet and a pump outlet;

Wherein, the pump water inlet is connected to the water outlet interface of the kth waterway cavity, and the pump water outlet is connected with the water inlet interface of the k+1th waterway cavity, 1≤k≤m-1 and k is an integer.
The water purifier according to claim 4, wherein each stage of the filter element comprises:

a filter cartridge base, the filter cartridge base is mounted on the waterway plate assembly, and the filter cartridge base is provided with the filter cartridge water inlet and the filter core water outlet;

a filter body, the filter body is detachably connected to the upper portion of the filter base, and the filter body includes a filter space, and the first filter channel and the second filter channel are respectively disposed at two ends of the filter space. A filter medium for filtering is disposed in the filter space; when the filter element is in a use state, the first filter channel is in communication with the filter element water inlet, and the second filter channel is in communication with the filter element water outlet.
The water purifier according to claim 6, wherein the filter cartridge base comprises:

a base body, the base body is mounted on the waterway plate assembly, the base body is provided with the filter element water inlet and the filter core water outlet;

a rotating body, the rotating body is rotatably connected to an upper portion of the base body, the rotating body comprises a rotating plate, and the rotating plate is provided with a filter core water inlet pipe and a filter core water outlet pipe;

Wherein, when the filter element is in use, the lower opening of the filter inlet pipe is in communication with the filter inlet, the filter inlet pipe is inserted into the first filter passage, and the filter inserts An upper opening of the water conduit is in communication with the first filter passage, a lower opening of the filter outlet conduit is in communication with the filter outlet, the filter outlet conduit is inserted into the second filter passage, and the An upper opening of the filter outlet pipe is in communication with the second filter passage;

The rotating plate closes the filter element water inlet and the filter element water outlet when the filter element is in a disassembled state.
The water purifier according to claim 7, wherein the upper portion of the base body is a groove structure, the rotating plate is disposed at a bottom of the groove, and the inner thread of the groove is provided with a first thread structure. The lower part of the filter body is a boss structure, and the outer side wall of the boss is provided with a second thread structure, and the first thread structure is matched with the second thread structure.
The water purifier according to claim 7, wherein the first filter channel and the second filter channel are each provided with a water sealing shoulder, a sealing ring and a water sealing block;

The sealing ring is disposed adjacent to the base body, the water sealing block is located above the sealing ring, and the water sealing shoulder is located above the water sealing block;

When the filter element is in use, the filter inlet pipe and the filter outlet pipe are abutted against the water sealing block to the water sealing shoulder, so that the first filtering channel and the filter element enter The water inlet is connected to the water inlet pipe through the filter element, so that the second filter channel and the filter core water outlet are connected through the filter core water outlet pipe;

When the filter element is in a disassembled state, the water sealing block falls down to cooperate with the sealing ring to close the first filter a passage and a lower port of the second filter passage.
The water purifier according to claim 4, wherein when the at least one filter element comprises a reverse osmosis filter element, the water purifier body is further provided with a water tank assembly, and the reverse osmosis filter element is further provided with a concentration Water outlet

Wherein, the water tank assembly is provided with a water tank water inlet; the waterway plate assembly is further provided with a concentrated water water passage chamber, wherein the concentrated water water passage chamber comprises a concentrated water inlet interface and a concentrated water outlet interface; the concentrated water outlet The water inlet is connected to the concentrated water inlet port, and the water tank inlet is connected to the concentrated water outlet interface.
The water purifier according to claim 10, wherein the water tank assembly is further provided with a water tank outlet, the pipe interface assembly further comprises a concentrated water outlet pipe, and the pipe assembly further comprises a concentrated water discharge pipe. a pipe outlet pipe, wherein the faucet connector is further provided with a third water inlet;

Wherein the water tank outlet is connected to the first end of the concentrated water outlet pipe, and the second end of the concentrated water outlet pipe is connected to the first end of the concentrated water discharge pipe outlet pipe, The second end of the concentrated water discharge pipe outlet pipe is connected to the third water inlet.
A water purifier according to claim 10, wherein said water tank assembly is further provided with at least one water level switch.
The water purifier according to any one of claims 4 to 12, wherein each waterway cavity further comprises at least one expansion portion;

The expansion portion is disposed between the water inlet interface and the water outlet interface, and a cross-sectional area of the expansion portion is greater than a cross-sectional area of the water inlet interface and a cross-sectional area of the water outlet interface.
The water purifier according to any one of claims 4 to 12, wherein the water purifier body further comprises: a filter cartridge fixing assembly;

One side edge of the filter fixing assembly is connected to the side wall by a hinge, and at least n fixing holes are disposed on the filter fixing assembly;

A convex structure is disposed on a top surface of each of the filter elements, and the protruding structures are inserted into respective corresponding fixing holes.
A water purifier according to claim 14, wherein said projection structure is provided with a handle.