CN219272402U - Multi-waterway filter bottle cap and water purifying device - Google Patents

Abstract

The utility model relates to the technical field of water purifiers, and provides a multi-waterway filter bottle cap and a water purifying device, wherein the multi-waterway filter bottle cap comprises a first interface disc and a second interface disc, the first interface disc is detachably connected with the second interface disc, the first interface disc is provided with a plurality of water passing parts, and the second interface disc is provided with a plurality of water bearing parts; the water passing parts and the water bearing parts are arranged in a one-to-one correspondence manner to form a water inlet channel, a water outlet channel and a pure water outflow channel; the contact surface of the first interface disc and the second interface disc is provided with a plurality of first sealing components. According to the multi-waterway filter bottle cap provided by the utility model, the sealing device is arranged between the contact surfaces of the first interface disc and the second interface disc of the filter bottle cap, and the sealing device is arranged around the water passing part and the water bearing part of waterway, so that water flows in all channels are well prevented from being mixed or overflowed at the contact surfaces of the first interface disc and the second interface disc, purified pure water is prevented from being re-polluted or water flows over the interface disc, and the multi-waterway filter bottle cap has good application value.

Description

Multi-waterway filter bottle cap and water purifying device

Technical Field

The utility model relates to the technical field of water purifiers, in particular to a multi-waterway filter bottle cap and a water purifying device.

Background

Along with the pursuit of the mass of life by the masses, the demands of people on the quality of drinking water are increasing. Therefore, the water purifier is used as a purifying device for drinking water, so that the produced purified water is fresher, more sanitary and safer and is popular with consumers. In the prior art, the sealing performance between the internal structures of the filter bottle cap is common, water can seep out from gaps of the mechanisms in the water purifying process, or water flows of all the channels are fused among the mechanisms, so that the purified water is polluted again, and the purification is incomplete.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model provides a multi-waterway filter bottle cap, which is characterized in that: the device comprises a first interface disc and a second interface disc, wherein the first interface disc is detachably connected with the second interface disc, the first interface disc is provided with a plurality of water passing parts, and the second interface disc is provided with a plurality of water bearing parts; the water passing parts and the water bearing parts are arranged in a one-to-one correspondence manner to form a water inlet channel, a water outlet channel and a pure water outflow channel; the contact surface of the first interface disc and the second interface disc is provided with a plurality of first sealing components, each first sealing component comprises a first sealing groove and a first sealing ring embedded in the first sealing groove, and the first sealing groove at the water inlet channel is arranged around a plurality of water passing parts on the end surface of the first interface disc; the first sealing groove at the water outlet channel is arranged around the water bearing part at the end surface of the second interface disc.

In an embodiment, the contact surface of the first interface disc and the second interface disc is further provided with a second sealing assembly, the second sealing assembly comprises a second sealing groove and a second sealing ring, the second sealing groove is arranged on the radial outer side of the water inlet channel, the water outlet channel and the pure water outlet channel in a surrounding mode, and the second sealing ring is embedded in the second sealing groove.

In one embodiment, the water bearing part comprises a water bearing hole and a water bearing pipe, wherein the water bearing hole penetrates through the second interface disc, and the water bearing pipe is arranged on the end surface of the second interface disc, which is far away from the first interface disc, and is communicated with the water bearing hole; the axial center line of the water bearing hole and the axial center line of the water bearing pipe are offset relatively, and the water bearing hole and the water bearing pipe are arranged eccentrically.

In one embodiment, the second interface disc is mounted on the first interface disc in a manner of rotating between a first angle and a second angle, and when the second interface disc is positioned at the first angle, a plurality of water passing parts are communicated with a plurality of water bearing parts; when the second interface disc is at a second angle, the water passing parts are not communicated with the water bearing parts.

In an embodiment, the filter bottle cap further comprises a limiting component, wherein the limiting component comprises a limiting block arranged on the second interface disc and a limiting groove arranged on the first interface disc, and the limiting block stretches into the limiting groove to be matched with the limiting groove to limit the rotation range of the second interface disc.

In an embodiment, the end face of the first interface disc in contact with the second interface disc is provided with at least one groove, and/or the end face of the second interface disc in contact with the first interface disc is provided with at least one groove.

In an embodiment, the filter bottle cap further comprises a cap body, wherein the cap body comprises a first cap body and a second cap body, and the first cap body and the second cap body are detachably connected; the first interface disc and the second interface disc are positioned in the cover body, and the end face of the first interface disc, which is far away from the second interface disc, is arranged opposite to the first cover body.

In one embodiment, the first cover body is provided with a plurality of pipe joint parts, and the pipe joint parts are communicated with the water passing parts of the first interface disc in a one-to-one correspondence manner.

In one embodiment, the contact surface of the pipe joint and the water passing part is provided with a third sealing assembly.

The utility model also provides a purifying device, which is characterized in that: the multi-waterway filter bottle cap comprises the multi-waterway filter bottle cap in any embodiment.

Based on the above, compared with the prior art, the multi-waterway filter bottle cap provided by the utility model has the advantages that the sealing device is arranged between the contact surfaces of the first interface disc and the second interface disc of the filter bottle cap, and the sealing device is arranged around the water passing part and the water bearing part of waterway, so that water flows in all channels are well prevented from being mixed or overflowed at the contact surfaces of the first interface disc and the second interface disc, purified pure water is prevented from being re-polluted or overflowed from the interface disc, and the multi-waterway filter bottle cap has good application value.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

For a clearer description of embodiments of the utility model or of the solutions of the prior art, the drawings that are needed in the description of the embodiments or of the prior art will be briefly described, it being obvious that the drawings in the description below are some embodiments of the utility model, and that other drawings can be obtained from them without inventive effort for a person skilled in the art; the positional relationships described in the drawings in the following description are based on the orientation of the elements shown in the drawings unless otherwise specified.

FIG. 1 is a schematic view of a multi-waterway filter cap in a high visual angle explosion;

FIG. 2 is a schematic view of a multi-waterway filter cap explosion at a low visual angle;

FIG. 3 is a schematic bottom view of a first interface disk;

FIG. 4 is a schematic side view of a first interface disc;

FIG. 5 is a schematic top view of a second interface disk;

FIG. 6 is a schematic side view of a second interface disc;

FIG. 7 is a schematic diagram of a second interface disk;

FIG. 8 is a schematic view in section A-A of FIG. 7;

FIG. 9 is a schematic top view of the first cover;

FIG. 10 is a schematic side view of the first cover;

FIG. 11 is a schematic side view of a filter cap;

FIG. 12 is a schematic view in section B-B of FIG. 11;

fig. 13 is a schematic structural view of the water purifying device after the multi-waterway filter cap is mounted.

Reference numerals:

water passing hole 111 of water passing part 110 of first interface disc 100

The water pipe 112 comprises a first water pipe 112a and a second water pipe 112b

Water bearing hole 211 of water bearing part 210 of second interface disc 200

First seal assembly 410 of water flow channel 300 of water bearing pipe 212

First seal groove 411 second seal assembly 420 second seal groove 421

Second seal 422 third seal assembly 430 third seal 431

Limiting assembly 500 limiting block 510 limiting groove 520

The first cover 610 of the cover 600 is connected to the pipe joint 611

The first pipe joint 611a and the second pipe joint 611b are connected with a tap water port 612

Pump pressurizing port 613 pumps membrane feed port 614 to waste port 615

Pure water gap 616 second cover 620 connector 630

Connecting hole 631 groove 700

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model; the technical features designed in the different embodiments of the utility model described below can be combined with each other as long as they do not conflict with each other; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that all terms used in the present utility model (including technical terms and scientific terms) have the same meaning as commonly understood by one of ordinary skill in the art to which the present utility model belongs and are not to be construed as limiting the present utility model; it will be further understood that terms used herein should be interpreted as having a meaning that is consistent with their meaning in the context of this specification and the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

As shown in fig. 1 and 2, a multi-waterway filter bottle cap includes a first interface disc 100 and a second interface disc 200, the first interface disc 100 is detachably connected with the second interface disc 200, the first interface disc 100 is provided with a plurality of water passing portions 110, and the second interface disc 200 is provided with a plurality of water receiving portions 210; the water passing parts 110 and the water bearing parts 210 are arranged in a one-to-one correspondence to form a water inlet channel, a water outlet channel and a pure water outflow channel;

the water passing portions 110 and the water receiving portions 210 are arranged in a one-to-one correspondence manner, wherein the corresponding arrangement is that the projection positions of the openings of the water passing portions 110 and the water receiving portions 210 coincide in a top view. The water flow circulates between the water passing portions 110 and the water receiving portions 210 to form a plurality of independent water flow passages 300 including a water inlet passage, a water outlet passage and a pure water outlet passage. Wherein, the two water inlet channels comprise a tap water channel and a pump membrane feeding channel; the two water outlet channels comprise a pump pressurizing channel and a waste water channel, and one pure water outlet channel is arranged. In this embodiment, tap water enters the tap water channel first, then flows out through the pump pressurizing port 613, enters the RO membrane through the pump membrane feeding port 614 after being pressurized, and then flows out from the waste water channel and the pure water channel respectively after the RO membrane is filtered to separate waste water and pure water. The number of the water inlet channels, the water outlet channels and the pure water outlet channels can be increased or decreased according to actual requirements, and is not limited to the number of the embodiment.

As shown in fig. 3 to 6, the contact surface of the first interface disc 100 and the second interface disc 200 is provided with a plurality of first sealing assemblies 410, the first sealing assemblies 410 comprise a first sealing groove 411 and a first sealing ring 412 embedded in the first sealing groove 411, and the first sealing groove 411 positioned at the water inlet channel is arranged around a plurality of water passing parts 110 on the end surface of the first interface disc 100; the first sealing groove 411 at the water outlet passage is disposed around the water receiving portion 210 of the end surface of the second outlet disk 200.

The first sealing component 410 is arranged on the end face where the first interface disc 100 and the second interface disc 200 are contacted, the tap water channel and the first sealing groove 411 of the pump feeding membrane channel are arranged on the end face where the first interface disc 100 and the second interface disc 200 are contacted, the pump pressurizing channel and the first sealing groove 411 of the waste water channel are arranged on the end face where the second interface disc 200 and the first interface disc 100 are contacted, so that water flow can be sealed when the water flow flows out of the current channel, different water flows are prevented from overflowing, diffusion is prevented between the contact end faces of the first interface disc 100 and the second interface disc 200, and the filtered pure water is prevented from being polluted again. The first sealing member 410 of the pure water outflow path may be disposed around the water passing portion 110 at the end surface of the first interface plate 100, or may be disposed around the water receiving portion 210 at the end surface of the second interface plate 200.

As shown in fig. 3, the contact surface between the first interface disc 100 and the second interface disc 200 is further provided with a second sealing assembly 420, the second sealing assembly 420 includes a second sealing groove 421 and a second sealing ring 422, the second sealing groove 421 is disposed around the radial outer sides of the water inlet channel, the water outlet channel and the pure water outlet channel, and the second sealing ring 422 is embedded in the second sealing groove 421. The second seal 422 can prevent water from overflowing, and prevent water from seeping out from the end surfaces of the first interface plate 100 and the second interface plate 200, thereby effectively enhancing the sealing protection.

As shown in fig. 7 and 8, the water receiving portion 210 includes a water receiving hole 211 and a water receiving pipe 212, the water receiving hole 211 penetrates through the second interface plate 200, and the water receiving pipe 212 is installed at an end surface of the second interface plate 200, which is far from the first interface plate 100, and is communicated with the water receiving hole 211; the axial center line of the water bearing hole 211 is offset relative to the axial center line of the water bearing pipe 212, and the water bearing hole 211 is arranged eccentrically to the water bearing pipe 212. The offset of the channels may allow for a more compact construction, thereby allowing for smaller area sizes of the filter cap. In a preferred embodiment, the cross-sectional radius of the deviation channel between the water passing portion and the water receiving portion can be gradually reduced from top to bottom, so that the water flowing speed can be increased, and the time for flowing in and out water is shortened, and the water filtering time is shortened.

The second interface disc 200 is rotatably mounted on the first interface disc 100 between a first angle and a second angle, and when the second interface disc 200 is positioned at the first angle, the water passing portions 110 are communicated with the water receiving portions 210; when the second interface disc 200 is at the second angle, the water passing portions 110 are not communicated with the water receiving portions 210.

Preferably, in the present embodiment, the first angle and the second angle are different by 90 degrees, that is, the first interface board 100 and the second interface board 200 can be rotated by 90 degrees relative to each other. When rotating towards the first angle, the first interface disc 100 and the second interface disc 200 can be separated and detached, and the water passing part 110 and the water receiving part 210 are not communicated any more; when the first interface plate 100 and the second interface plate 200 are rotated to the second angle, the water passing portion 110 and the water receiving portion 210 are communicated, and the filter bottle cap starts to be used. It should be noted that the difference between the first angle and the second angle is not necessarily different from 90 degrees, that is, 30 degrees, 45 degrees, and 60 degrees, or other angles suitable for disassembling and fastening the first interface board 100 and the second interface board 200.

As shown in fig. 3 and 6, the filter bottle cap further includes a limiting component 500, where the limiting component 500 includes a limiting block 510 disposed on the second interface disc 200 and a limiting groove 520 disposed on the first interface disc 100, and the limiting block 510 extends into the limiting groove 520 to cooperatively limit the rotation range of the second interface disc 200.

The limiting block 510 is rotationally clamped with the limiting groove 520, the limiting block 510 can rotate in the limiting groove 520 by a preset angle, the preset angle is a phase difference angle between the first angle and the second angle, and the shape of the limiting groove 520 is an arc with an arc length corresponding to the preset angle. In this embodiment, the shape of the limiting groove 520 is a quarter arc, and the limiting block 510 can rotate 90 degrees in the limiting groove 520, so as to realize the sealing between the first interface disc 100 and the second interface disc 200 by rotating 90 degrees. It should be noted that the rotation angle is not limited to 90 degrees, but may be 45 degrees, 60 degrees, etc., and the arc length of the corresponding limiting groove 520 varies with the preset angle.

The end surface of the first interface plate 100 contacting the second interface plate 200 is provided with at least one groove 700 as shown in fig. 1 to 3, and/or the end surface of the second interface plate 200 contacting the first interface plate 100 is provided with at least one groove 700.

The grooves 700 are formed in the first interface plate 100 and the second interface plate 200 at other positions except the limit groove 520 and the seal groove, in the rotary sealing process, the grooves 700 of the first interface plate 100 correspond to the plane of the second interface plate 200, the grooves 700 of the second interface plate 200 correspond to the plane of the first interface plate 100, and the planes are matched with the grooves 700, so that friction force in the rotary process can be reduced. Preferably, both the first interface plate 100 and the second interface plate 200 are provided with grooves 700, and the grooves 700 are arranged as a midline mirror image of either diameter of the interface between the interface plates. It should be noted that, the groove 700 may be provided only in the first interface board 100 or the second interface board 200, or the groove 700 may be provided in both interface boards. The shape of the groove 700 is not limited, and may be a regular shape such as a rectangle, a square, a circle, etc., or an irregular shape.

As shown in fig. 1 and 2, the filter cap further includes a cap body 600, the cap body 600 includes a first cap body 610 and a second cap body 620, and the first cap body 610 and the second cap body 620 are detachably connected; the first interface board 100 and the second interface board 200 are located inside the cover 600, and an end surface of the first interface board 100 away from the second interface board 200 is opposite to the first cover 610.

The first cover 610, the second cover 620 and the first interface disc 100 are detachably connected, the edges of the first cover 610, the second cover 620 and the first interface disc 100 are all extended to form connecting pieces 630, connecting holes 631 are formed in the connecting pieces 630, the number of the connecting pieces 630 and the connecting holes 631 of the first cover 610, the second cover 620 and the first interface disc 100 is at least two, and the first cover 610, the second cover 620 and the first interface disc 100 can be detachably connected through the connecting holes 631 by using a threaded nut structure or a pin structure. In this embodiment, preferably, eight connectors 630 are disposed on the first cover 610, the connectors 630 are circumferentially disposed at equal intervals on the outer side of the first cover 610, four connectors 630 are disposed on the first interface tray 100 and the second cover 620, respectively, and the connectors 630 are circumferentially disposed at equal intervals on the outer side of the first interface tray 100 and the outer side of the second cover 620.

As shown in fig. 9, the first cover 610 is provided with a plurality of pipe interfaces 611, and the pipe interfaces 611 are in one-to-one correspondence with the water passing portions 110 of the first interface tray 100. In the present embodiment, the pipe interfaces 611 are five, namely a tap water port 612, a pump pressurizing port 613, a pump membrane feeding port 614, a waste water port 615 and a pure water port 616, wherein the tap water port 612 is communicated with a tap water channel, the pump pressurizing port 613 is communicated with a pump pressurizing channel, the pump membrane feeding port 614 is communicated with a pump membrane feeding channel, the waste water port 615 is communicated with a waste water channel, and the pure water port 616 is communicated with a pure water outflow channel. The water passing part 110 comprises a water passing pipe 112 and a water passing hole 111, wherein the water passing pipe 112 is connected with the pipe joint 611, a plurality of openings corresponding to the pipe joint 611 are formed in the upper part of the first cover body 610, the water passing pipe 112 passes through the openings and is inserted into the pipe joint 611, the diameter of the openings is just larger than that of the water passing pipe 112, and the water passing pipe 112 can be ensured to pass through, but water flow cannot overflow.

As shown in fig. 9 to 12, the interface of the pipe joint 611 and the water passing pipe 112 is provided with a third sealing assembly 430. The pipe interface 611 comprises a first pipe interface 611a and a second pipe interface 611b, the second pipe interface 611b is connected with the first pipe interface 611a, wherein the diameter of the second pipe interface 611b is larger than that of the first pipe interface 611a, the second pipe interface 611b is close to the first cover 610 and is directly connected with the first cover 610, and the second pipe interface 611b and the first pipe interface 611a enable the whole pipe interface 611 to be a stepped pipeline; the water passing pipe 112 also comprises a first water passing pipe 112a and a second water passing pipe 112b, the diameter of the second water passing pipe 112b is larger than that of the first water passing pipe 112a, the second water passing pipe 112b is directly connected with the first interface disc 100, and the whole water passing pipe 112 is also in a ladder shape. Wherein the diameter of the second water passing pipe 112b is just smaller than the area of the second pipe joint 611b, the diameter of the first water passing pipe 112a is just smaller than the area of the first pipe joint 611a, the second water passing pipe 112b passes through the second pipe joint 611b and abuts against the joint of the second pipe joint 611b and the first pipe joint 611a, and the first water passing pipe 112a passes through the second pipe joint 611b and is inserted into the first pipe joint 611 a. The third sealing assembly 430 is a third sealing ring 431, and the third sealing ring 431 is sleeved on the first water passing pipe 112a and abuts against the joint of the second water passing pipe 112b and the first water passing pipe 112 a. When the water pipe 112 is inserted into the pipe joint 611, the third sealing ring 431 is disposed between the joint of the two pipe joints 611 and the joint of the two water pipe 112, so that the sealing between the pipe joint 611 and the water pipe 112 is ensured, and water is prevented from overflowing between the cover 600 and the first joint disk 100 to cause water leakage.

The second cover 620 is hollow at the bottom, and the water receiving pipe 212 penetrates through the second cover 620, and the bottom is connected with the purifying device.

As shown in fig. 13, the present utility model further provides a purifying device, which includes the multi-waterway filter bottle cap according to any one of the embodiments. The multi-waterway filter bottle cap is arranged at the top of the purifying device. When the water flows through the filter bottle cap, the filter bottle cap can primarily filter the water flow. In addition, the filter flask cap can protect the purification mechanism inside the purification device, and the multichannel of the filter flask cap can separate different water flows, the purification device does not need to be externally connected with a plurality of pipelines, so that the mechanism is simple, and meanwhile, the tightness of the filter flask cap ensures that pure water in a pure water outflow channel is not polluted.

In addition, it should be understood by those skilled in the art that although many problems exist in the prior art, each embodiment or technical solution of the present utility model may be modified in only one or several respects, without having to solve all technical problems listed in the prior art or the background art at the same time. Those skilled in the art will understand that nothing in one claim should be taken as a limitation on that claim.

Although terms such as the first interface tray, the second interface tray, the water passing portion, the water receiving portion, etc. are more used herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model; the terms first, second, and the like in the description and in the claims of embodiments of the utility model and in the above-described figures, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (10)

1. The utility model provides a many water route filter flask lid which characterized in that: the device comprises a first interface disc and a second interface disc, wherein the first interface disc is detachably connected with the second interface disc, the first interface disc is provided with a plurality of water passing parts, and the second interface disc is provided with a plurality of water bearing parts; the water passing parts and the water bearing parts are arranged in a one-to-one correspondence manner to form a water inlet channel, a water outlet channel and a pure water outflow channel;

the contact surface of the first interface disc and the second interface disc is provided with a plurality of first sealing assemblies, each first sealing assembly comprises a first sealing groove and a first sealing ring embedded in the first sealing groove, and the first sealing groove at the water inlet channel is arranged around the water passing part of the end surface of the first interface disc; the first sealing groove at the water outlet channel is arranged around the water bearing part of the end face of the second interface disc.

2. The multi-waterway filter cap of claim 1, wherein: the contact surface of the first interface disc and the second interface disc is also provided with a second sealing assembly, the second sealing assembly comprises a second sealing groove and a second sealing ring, the second sealing groove is arranged around the radial outer side of the water inlet channel, the water outlet channel and the pure water outlet channel, and the second sealing ring is embedded in the second sealing groove.

3. The multi-waterway filter cap of claim 1, wherein: the water bearing part comprises a water bearing hole and a water bearing pipe, the water bearing hole penetrates through the second interface disc, and the water bearing pipe is arranged on the end surface of the second interface disc, which is far away from the first interface disc, and is communicated with the water bearing hole; the axial center line of the water bearing hole and the axial center line of the water bearing pipe are offset relatively, and the water bearing hole and the water bearing pipe are arranged eccentrically.

4. The multi-waterway filter cap of claim 1, wherein: the second interface disc is arranged on the first interface disc in a rotating mode between a first angle and a second angle, and a plurality of water passing parts are communicated with a plurality of water bearing parts when the second interface disc is positioned at the first angle; when the second interface disc is at a second angle, the water passing parts are not communicated with the water bearing parts.

5. The multi-waterway filter cap of claim 4, wherein: the filter bottle cap further comprises a limiting assembly, the limiting assembly comprises a limiting block arranged on the second interface disc and a limiting groove arranged on the first interface disc, and the limiting block stretches into the limiting groove to be matched with and limit the rotation range of the second interface disc.

6. The multi-waterway filter cap of claim 1, wherein: at least one groove is formed in the end face of the first interface disc, which is in contact with the second interface disc, and/or at least one groove is formed in the end face of the second interface disc, which is in contact with the first interface disc.

7. The multi-waterway filter cap of claim 1, wherein: the filter bottle cap further comprises a cap body, wherein the cap body comprises a first cap body and a second cap body, and the first cap body is detachably connected with the second cap body; the first interface disc and the second interface disc are positioned in the cover body, and the end face, away from the second interface disc, of the first interface disc is opposite to the first cover body.

8. The multi-waterway cover of claim 7, wherein: the first cover body is provided with a plurality of pipe joint parts, and the pipe joint parts are communicated with the water passing parts of the first interface disc in a one-to-one correspondence manner.

9. The multi-waterway cover of claim 8, wherein: the contact surface of the pipe joint part and the water passing part is provided with a third sealing component.

10. A water purification device, characterized in that: a multi-waterway cover comprising the multi-waterway cover of any of claims 1-9.

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