CN214167504U - Water purifying equipment - Google Patents

Abstract

The application provides a water purification unit, including filter flask and the filtering component who sets up in the filter flask. The filter flask includes bottle lid and bottle, and the bottle lid is equipped with by five annular structure that outer to interior distributed in proper order towards one side of bottle, all is equipped with the water hole on each annular structure, and bottle lid one side radially is provided with five water pipes side by side, five water pipes respectively with five water hole intercommunications, wherein with the water pipe of the water hole intercommunication on four annular structure of inside, pass and set up annular structure and corresponding water hole intercommunication outside. This application has the water purification unit of above-mentioned structure, can make the installation and the change of filter core more convenient.

Description

Water purifying equipment

Technical Field

This application belongs to the water purification field, specifically provides a water purification unit.

Background

The water purifier is a water treatment device which carries out deep filtration and purification treatment according to the use requirement of water. In recent years, with the improvement of life quality of people, people pay more and more attention to their health, and a water purifier capable of improving water quality receives attention of consumers, so that the market of the water purifier is rapidly developed.

The water purifier filters water through installing in the filter core of water purifier, uses and need change the filter core after a period. In the existing product, the filter element and the water purifier are connected by adopting a mode of arranging a filter element seat on the water purifier, spirally clamping the filter element and the filter element seat, or adopting a mode of fixing a filter bottle cap and the water purifier, and the filter bottle cap are connected by threads. By adopting the connection mode, when the user needs to replace the filter element, the filter element is troublesome and labor-consuming, and the user experience is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems in the prior art, that is, to solve the problem of inconvenience in replacing the filter element, the present application provides a water purification apparatus, which includes a filter flask and a filter assembly disposed in the filter flask, wherein the filter flask includes a flask cap and a flask body, and a first annular structure, a second annular structure, a third annular structure, a fourth annular structure and a fifth annular structure are disposed on one side of the flask cap facing the flask body, and are sequentially distributed from outside to inside; a first water hole is formed in the first annular structure, a second water hole is formed in the second annular structure, a third water hole is formed in the third annular structure, a fourth water hole is formed in the fourth annular structure, and a fifth water hole is formed in the fifth annular structure; a first water pipe, a second water pipe, a third water pipe, a fourth water pipe and a fifth water pipe are arranged on one side of the bottle cap in the radial direction, and one end of the first water pipe is communicated with the first water hole; one end of the second water pipe penetrates through the first annular structure to be communicated with the second water hole; one end of the third water pipe penetrates through the first annular structure and the second annular structure to be communicated with the third water hole; one end of the fourth water pipe penetrates through the first annular structure, the second annular structure and the third annular structure to be communicated with the fourth water hole; one end of the fifth water pipe penetrates through the first annular structure, the second annular structure, the third annular structure and the fourth annular structure to be communicated with the fifth water hole.

Optionally, the first water pipe, the second water pipe, the third water pipe, the fourth water pipe, and the fifth water pipe are parallel to each other.

Optionally, the filter assembly comprises a bottom cap, the bottom cap being located at an end of the filter assembly remote from the bottle cap; the bottom cover is provided with a positioning convex rib, the inner bottom wall of the bottle body is provided with an annular convex rib matched with the positioning convex rib, and the positioning convex rib is embedded into the annular convex rib.

Optionally, the filter assembly comprises an annular front filter element assembly, an annular separation assembly, an annular reverse osmosis filter element assembly, a central tube and an annular rear filter element assembly which are sequentially arranged from outside to inside, and a water permeable hole is formed in the central tube; a first cavity formed among the preposed filter element assembly, the bottle body, the first annular structure and the second annular structure is communicated with the first water hole, and a second cavity formed among the preposed filter element assembly, the separation assembly, the second annular structure and the third annular structure is communicated with the second water hole; a third cavity formed among the separation assembly, the reverse osmosis filter element assembly, the third annular structure and the fourth annular structure is communicated with the third water hole; a fourth cavity formed among the top surface of the reverse osmosis filter element assembly, the fourth annular structure and the fifth annular structure is communicated with the fourth water hole; and a fifth cavity in the rear filter element assembly is communicated with the fifth water hole.

Optionally, leading filter element group spare includes leading filter core, sets up leading filter core inboard filter core skeleton and setting are in the first water distribution cover at leading filter core top, the one end of first water distribution cover with second annular structure sealing connection, the other end of first water distribution cover with filter core skeleton sealing connection.

Optionally, a first support rib is arranged on the inner side of the first water dividing sleeve, and a second support rib is arranged on the inner side of the filter element framework; the separating assembly comprises a second water distributing sleeve and a separating framework, one end of the second water distributing sleeve is connected with the third annular structure in a sealing mode, and the other end of the second water distributing sleeve is sealed with the separating framework; the first water distribution sleeve is abutted to the second water distribution sleeve through the first supporting rib, and the filter element framework is abutted to the separation framework through the second supporting rib.

Optionally, a third supporting rib is arranged on the inner side of the second water dividing sleeve, and a fourth supporting rib is arranged on the inner side of the dividing framework; the reverse osmosis filter element assembly comprises a third water distributing sleeve, a reverse osmosis filter element cover and a reverse osmosis filter element which are sequentially arranged, the reverse osmosis filter element sleeve is arranged on the outer side of the central tube, the reverse osmosis filter element cover is in sealing fit with the outer side wall of the top of the reverse osmosis filter element, the reverse osmosis filter element cover is in sealing connection with the top of the central tube through an annular groove formed in the bottom of the reverse osmosis filter element cover, one end of the third water distributing sleeve is in sealing connection with the fourth annular structure, and the other end of the third water distributing sleeve is in sealing connection with the reverse osmosis filter element cover; the second water distribution sleeve is abutted against the third water distribution sleeve through the third support rib, and the separation framework is abutted against the reverse osmosis filter element through the fourth support rib.

Optionally, a wastewater gap is provided between the reverse osmosis filter element cover and the upper end surface of the reverse osmosis filter element, the reverse osmosis filter element cover is provided with a wastewater hole, and the wastewater hole and the wastewater gap form a part of the fourth cavity.

Optionally, the third water dividing sleeve is provided with fifth support ribs, and the rear filter element assembly comprises a rear filter element and a fourth water dividing sleeve; one end of the fourth water distributing sleeve is connected with the fifth annular structure in a sealing mode, the other end of the fourth water distributing sleeve is connected with the reverse osmosis filter element cover in a sealing mode, and the third water distributing sleeve is abutted to the fourth water distributing sleeve through the fifth supporting rib.

Optionally, the rearmounted filter core sets up in the center tube, the up end of rearmounted filter core with the sealed laminating of reverse osmosis filter core lid, the lower terminal surface of rearmounted filter core is in with the setting the sealed laminating of baffle in the center tube, the rearmounted filter core is the hollow tubular structure that adopts the carbon compression to form.

As can be understood by those skilled in the art, the water purifying apparatus described in the foregoing of the present application has at least the following advantages:

1. the bottle lid through making the filter flask adopts the water pipe structure of formula of inserting of side for only need take water purification unit from the water pipe out when changing the filter core, then take out old filter core structure in the follow bottle, again with new filter core structure installation in the bottle, again with water purification unit insert on the water pipe afterwards can, thereby made things convenient for the water purification to establish the operation of changing filter core structure.

2. Through setting up five water pipes into the form that is parallel to each other for the space that the water pipe took in transversely and vertically is minimum, is favorable to the processing of the water hole on the bottle lid, makes water purification unit can be applicable to more installation space, for example narrow cupboard, corner position etc..

3. The bottom cover is arranged at one end of the filtering assembly far away from the bottle cover, the positioning convex rib is arranged on the bottom cover, and the annular convex rib is arranged on the bottle body, so that the bottom cover can be installed on the front filter element assembly, the separation assembly, the reverse osmosis filter element assembly, the rear filter element assembly and the central tube firstly, and then the bottom cover is located and installed on the bottle body through the positioning convex rib and the annular convex rib at one time, and the assembling process is simplified.

4. Through setting up respectively with first water hole, the second water hole, the third water hole, the first cavity of fourth water hole and fifth water hole intercommunication, the second cavity, the third cavity, fourth cavity and fifth water hole, make water purification unit utilize a composite filter core structure can realize multistage filtration and export two kinds of play water quality, a water quality through leading filter element group spare filtration, another kind is through leading filter element group spare, the filterable water quality of reverse osmosis filter element group spare and rearmounted filter element group spare, compare with adopting a plurality of solitary filter core structures, the volume of water purification unit has been reduced on the basis of realizing multistage filtration, the structure of water purification unit has been simplified.

Meanwhile, the fourth cavity is arranged to enable impurities between layers of the layered reverse osmosis filter element to be taken away by water flow, and water flow carrying the impurities enters the fourth cavity from the end face of the reverse osmosis filter element and then is discharged through the fifth water hole, so that the cleaning effect on the reverse osmosis filter element is achieved, and the filtering effect of the reverse osmosis filter element is kept.

5. Set up first brace rod, second brace rod, third brace rod, fourth brace rod and fifth brace rod on through corresponding dividing the jacket for can support each other between each subassembly and lean on, play the effect of consolidating whole structure on the one hand, on the other hand plays the positioning action, has made things convenient for the equipment, has improved the packaging efficiency.

Drawings

Some embodiments of the present application are described below with reference to the accompanying drawings, in which:

FIG. 1 is a cross-sectional view of a first embodiment of the present application;

figure 2 is a schematic view of the construction of a closure according to a first embodiment of the present application;

fig. 3 is a schematic structural view of a first water dividing jacket in the first embodiment of the present application;

FIG. 4 is a schematic view of a cartridge frame according to a first embodiment of the present disclosure;

FIG. 5 is a schematic structural view of a second water dividing jacket in the first embodiment of the present application;

FIG. 6 is a schematic view of the structure of a partitioning skeleton according to the first embodiment of the present application;

FIG. 7 is a schematic structural view of a third water dividing jacket in the first embodiment of the present application;

fig. 8 is a schematic structural view of a fourth water dividing jacket in the first embodiment of the present application.

List of reference numerals:

100. a pre-filter element assembly; 110. a first water dividing sleeve; 111. a first support rib; 112. a first seal ring mounting groove; 113. a second seal ring mounting groove; 120. a filter element framework; 121. water passing holes; 122. a second support rib; 123. a first flanging; 130. a front filter element;

200. a partition assembly; 210. a second water dividing sleeve; 211. a third support rib; 212. a third seal ring mounting groove; 213. a fourth seal ring mounting groove; 220. separating the frameworks; 221. a fourth support rib; 222. second flanging; 223. a fifth seal ring mounting groove;

300. a reverse osmosis filter element assembly; 310. a third water distributing sleeve; 311. a fifth support rib; 312. a sixth seal ring mounting groove; 313. third flanging; 320. a reverse osmosis filter element cover; 330. a reverse osmosis filter element;

400. a post-filter element assembly; 410. a fourth water distributing sleeve; 411. a seventh seal ring mounting groove; 420. a post-positioned filter element;

500. a filter flask; 510. a bottle cap; 511. a first annular structure; 512. a second annular structure; 513. a third ring-shaped structure; 514. a fourth ring-shaped structure; 515. a fifth ring structure; 5110. a first water hole; 5120. A second water hole; 5130. a third water hole; 5140. a fourth water hole; 5150. a fifth water hole; 520. a bottle body;

600. a central tube; 610. water permeable holes;

700. a bottom cover;

810. a first water pipe; 820. a second water pipe; 830. a third water pipe; 840. a fourth water pipe; 850. a fifth water pipe;

910. a first cavity; 920. a second cavity; 930. a third cavity; 940. a fourth cavity; 941. a waste water gap; 942. a wastewater port; 950. a fifth cavity; 951. and a through hole.

Detailed Description

It should be understood by those skilled in the art that the embodiments described below are only a part of the embodiments of the present application, and not all embodiments of the present application, and the part of the embodiments are intended to explain the technical principles of the present application and not to limit the scope of the present application. All other embodiments that can be obtained by a person skilled in the art based on the embodiments provided in the present application without inventive effort shall still fall within the scope of protection of the present application.

It should be noted that in the description of the present application, the terms "center", "upper", "lower", "top", "bottom", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, which indicate directions or positional relationships, are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that a device or an element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present application, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through the communication between two elements. The specific meaning of the above terms in the present application can be understood by those skilled in the art as the case may be.

The first embodiment of the present application:

as shown in fig. 1, the water purifying apparatus of the present embodiment includes a filter flask 500 and a filter assembly provided in the filter flask 500. The filter flask 500 includes a flask cap 510 and a flask body 520. The filter assembly comprises a front filter element assembly 100, a separation assembly 200, a reverse osmosis filter element assembly 300, a rear filter element assembly 400 and a central pipe 600 which are sequentially arranged from outside to inside in a surrounding manner. The reverse osmosis filter element assembly 300 is provided with a fourth cavity 940, and the rear filter element assembly 400 is provided with a fifth cavity 950, wherein the first cavity 910 is arranged between the front filter element assembly 100 and the filter bottle 500, the second cavity 920 is arranged between the separation assembly 200 and the front filter element assembly 100, the third cavity 930 is arranged between the reverse osmosis filter element assembly 300 and the separation assembly 200, and the fourth cavity 940 is arranged between the reverse osmosis filter element assembly 300 and the rear filter element assembly 400. Raw water enters the first cavity 910, is filtered by the pre-filter element assembly 100, enters the second cavity 920, and is conveyed out of the second cavity 920, one path is used by a user, and the other path is conveyed to the third cavity 930 for secondary filtration. The water in the third cavity 930 is filtered by the reverse osmosis filter element assembly 300 and the post-filter element assembly 400 and then delivered out for the user, and at the same time, part of the wastewater which washes the reverse osmosis filter element assembly 300 enters the fourth cavity 940 and is then discharged.

The water purification unit in this embodiment utilizes a composite filter core structure to realize two kinds of play water quality, one kind through leading filter element group spare 100 filterable water quality, another kind is through leading filter element group spare 100, reverse osmosis filter element group spare 200 and rearmounted filter element group spare 300 filterable water quality. The water purification unit of this embodiment has reduced water purification unit's volume on realizing multi-stage filtration's basis, has simplified water purification unit's structure.

As shown in fig. 2, the bottle cap 510 is provided with a first ring structure 511, a second ring structure 512, a third ring structure 513, a fourth ring structure 514 and a fifth ring structure 515. A first water hole 5110 is formed in the first annular structure 511, a second water hole 5120 is formed in the second annular structure 512, a third water hole 5130 is formed in the third annular structure 513, a fourth water hole 5140 is formed in the fourth annular structure 514, and a fifth water hole 5150 is formed in the fifth annular structure 515. A first water pipe 810, a second water pipe 820, a third water pipe 830, a fourth water pipe 840 and a fifth water pipe 850 are arranged side by side on one side of the bottle cap 510 in the radial direction. One end of the first water pipe 810 is communicated with the first water hole 5110; one end of the second water pipe 820 passes through the first ring structure 511 to communicate with the second water hole 5120; one end of the third water pipe 830 passes through the first and second annular structures 511 and 512 to communicate with a third water hole 5130; one end of the fourth water pipe 840 passes through the first, second and third annular structures 511, 512 and 513 to communicate with a fourth water hole 5140; one end of the fifth water pipe 850 communicates with the fifth water hole 5150 through the first, second, third and fourth annular structures 511, 512, 513 and 514.

As can be appreciated by those skilled in the art, by using the bottle cap 510 with a side-inserted water pipe structure, when replacing the filter element, only the old filter element structure needs to be pulled out from the water pipe, and then the new filter element structure is inserted into the water pipe, so that the installation and replacement of the filter element structure of the water purifying device are more convenient.

As shown in fig. 2, in the present embodiment, five water pipes are arranged in parallel, and the axes of the five water pipes are in the same plane. This is a preferred arrangement of water pipes, and occupation space is less, is favorable to the processing of bottle lid 510. It should be noted that, the arrangement mode of the water pipes in this embodiment may be parallel arrangement with axes in the same plane, or parallel arrangement with axes not in the same plane, or non-parallel arrangement, as long as the side-inserted installation mode is satisfied.

As shown in fig. 1, the filter assembly further includes a bottom cover 700. The bottom cover 700 is used to carry the front cartridge assembly 100, the partition assembly 200, the reverse osmosis cartridge assembly 300, the rear cartridge assembly 400, and the center tube 600. The bottom cover 700 is provided with a positioning convex rib 710, the inner bottom wall of the bottle body 520 is provided with an annular convex rib 521 matched with the positioning convex rib 710, and the positioning convex rib 710 is embedded into the annular convex rib 521.

It can be understood by those skilled in the art that the bottom cover 700 is disposed at one end of the filter assembly far from the bottle cap 510, the positioning rib 710 is disposed on the bottom cover 700, and the annular rib 521 is disposed on the bottle body 520, so that the front filter element assembly 100, the separation assembly 200, the reverse osmosis filter element assembly 300, the rear filter element assembly 400, and the central tube 600 can be firstly installed on the bottom cover 700, and then the whole filter assembly can be positioned and installed in the bottle body 520 at one time through the positioning rib 710 and the annular rib 521, which is beneficial to simplifying the assembly process.

As shown in fig. 1, the front filter element assembly 100 includes a first water distribution sleeve 110, a filter element frame 120, and a front filter element 130. The front filter element 130 is sleeved outside the filter element framework 120, and the first water distribution sleeve 110 is arranged on the top of the front filter element 130. The filter element framework 120 is provided with a water through hole 121. One end of the first water dividing sleeve 110 is hermetically connected with the second annular structure 512, the other end of the first water dividing sleeve 110 is hermetically connected with the filter element framework 120, and the bottom ends of the filter element framework 120 and the front filter element 130 are hermetically connected with the bottom cover 600, so that a first cavity 910 is formed among the front filter element assembly 100, the bottle 520, the first annular structure 511 and the second annular structure 512. The partition assembly 200 includes a second water partition sleeve 210 and a partition frame 220. One end of the second water dividing sleeve 210 is hermetically connected with the third annular structure 513, the other end of the second water dividing sleeve 210 is hermetically connected with the separating framework 220, and the bottom end of the separating framework 220 is hermetically connected with the bottom cover 600, so that a second cavity 920 is formed among the front filter element assembly 100, the separating assembly 200, the second annular structure 512 and the third annular structure 513.

With continued reference to fig. 1, the reverse osmosis assembly 300 includes a third water dividing jacket 310, a reverse osmosis cartridge cover 320, and a reverse osmosis cartridge 330. The reverse osmosis filter core 330 is sleeved outside the central tube 600, and the central tube 600 is provided with a water through hole 610. The reverse osmosis filter element cover 320 is arranged at the top of the reverse osmosis filter element 330 and is in sealing fit with the outer side wall of the reverse osmosis filter element 330, the reverse osmosis filter element cover 320 is in sealing connection with the top of the central tube 600 through an annular groove formed at the bottom of the reverse osmosis filter element cover, and one end, far away from the reverse osmosis filter element cover 320, of the central tube 600 is closed. One end of the third water dividing sleeve 310 is hermetically connected with the fourth ring-shaped structure 514, and the other end of the third water dividing sleeve 310 is hermetically connected with the reverse osmosis filter element cover 320. A third cavity 930 is formed between the separation assembly 200, the reverse osmosis cartridge assembly 300, the fourth annular structure 514 and the fifth annular structure 515. The rear filter element assembly 400 comprises a fourth water distributing sleeve 410 and a rear filter element 420, wherein one end of the fourth water distributing sleeve 420 is hermetically connected with the fifth annular structure 515, and the other end of the fourth water distributing sleeve 420 is hermetically connected with the reverse osmosis filter element cover 320. The fourth water dividing sleeve 420 and the reverse osmosis filter element cover 320 enclose a fifth cavity 950. The rear filter element 420 is a tubular structure arranged in the central tube 600, the reverse osmosis filter element cover 320 is provided with a through hole 951, and the through hole 951 is communicated with a pipeline cavity and a fifth cavity 950 of the tubular rear filter element 420. A fourth cavity 940 is formed among the third water dividing sleeve 310, the fourth water dividing sleeve 410, the reverse osmosis filter element cover 320 and the upper end surface of the reverse osmosis filter element 330, and comprises a waste water gap 941 formed between the reverse osmosis filter element cover 320 and the upper end surface of the reverse osmosis filter element 330 and a waste water hole 942 on the reverse osmosis filter element cover 320.

When the water purifying apparatus in this embodiment operates, raw water enters the first cavity 910 from the first water hole 5110 through the first water pipe 810, and is filtered into purified water through the front filter element 130. The purified water enters the second cavity 920 through the water passing hole 121 of the filter element framework 120, enters the second water pipe 820 through the second water hole 5120, and is conveyed to the outside for users to use. Part of the purified water is transferred to the third water pipe 830 and enters the third cavity 930 from the third water hole 5130, and a part of the purified water is filtered by the reverse osmosis filter 330, passes through the water permeable hole 610 of the central pipe 600 and is filtered into purified water by the post-filter 420. The pure water enters the pipe cavity of the post-filter element 420, then enters the fifth cavity 950 through the through hole 951, and is delivered to the outside from the fifth water hole 5150 through the fifth water pipe 850 for use by a user. Because the reverse osmosis filter element 330 has a layered structure, a part of the purified water flows out from the upper end surface of the reverse osmosis filter element 330, enters the waste water gap 941 of the fourth cavity 940, flows into the fourth water hole 5140 through the waste water hole 942, and is discharged from the fourth water pipe 840.

As will be understood by those skilled in the art, the fourth cavity 940 is configured to allow impurities between layers of the layered reverse osmosis filter element 330 to be carried away by water flow and discharged, so as to provide a cleaning effect for the reverse osmosis filter element 330, which is beneficial to maintain the filtering effect of the reverse osmosis filter element 330.

As shown in fig. 3 to 7, the first support rib 111 is disposed inside the first water dividing sleeve 110, the second support rib 122 is disposed inside the filter element frame 120, the third support rib 211 is disposed inside the second water dividing sleeve 210, the fourth support rib 221 is disposed inside the dividing frame 220, and the fifth support rib 311 is disposed inside the third water dividing sleeve 310. In the positional relationship shown in fig. 1, the first water dividing jacket 110 abuts against the second water dividing jacket 210 via the first support rib 111, the filter element frame 120 abuts against the partition frame 220 via the second support rib 122, the second water dividing jacket 210 abuts against the third water dividing jacket 310 via the third support rib 211, the partition frame 220 abuts against the reverse osmosis filter element 330 via the fourth support rib 221, and the third water dividing jacket 310 abuts against the fourth water dividing jacket 410 via the fifth support rib 311.

The technical personnel in the field can understand that corresponding water diversion is sheathe in through setting up the brace rod for support each other between each subassembly and lean on, play the effect of consolidating whole structure on the one hand, on the other hand the brace rod plays the positioning action, is favorable to improving the packaging efficiency.

As shown in fig. 3 and 4, the first water dividing jacket 110 is provided with a first sealing ring installation groove 112 and a second sealing ring installation groove 113, the filter element framework 120 is provided with a first flange 123, after the sealing rings are installed in the installation grooves, the end of the first sealing ring installation groove 112 of the first water dividing jacket 110 abuts against the second annular structure 512 through the sealing ring, so that the sealing connection is completed, and the end of the second sealing ring installation groove 113 abuts against the first flange 123 through the sealing ring, so that the sealing connection is completed. As shown in fig. 5 and 6, the second water dividing sleeve 110 is provided with a third sealing ring mounting groove 212 and a fourth sealing ring mounting groove 213, the dividing framework 220 is provided with a second flange 222 and a fifth sealing ring mounting groove 223, after the sealing rings are mounted in the mounting grooves, the end of the third sealing ring mounting groove 212 of the second water dividing sleeve 210 abuts against the third annular structure 513 through the sealing ring, so that the sealing connection is completed, the end of the fourth sealing ring mounting groove 213 abuts against the second flange 222 through the sealing ring, so that the sealing connection is completed, and the end of the fifth sealing ring mounting groove 223 of the dividing framework 220 abuts against the bottom cover 700 through the sealing ring. As shown in fig. 7, the third water dividing sleeve 310 is provided with a sixth sealing ring installation groove 312 and a third flange 313, after the sealing ring is installed in the installation groove, the end of the sixth sealing ring installation groove 312 of the third water dividing sleeve 310 abuts against the fourth ring-shaped structure 512 through the sealing ring, so that the sealing connection is completed, and the inner side of the third flange 313 abuts against the sealing ring installed on the outer side wall of the reverse osmosis filter element cover 320, so that the sealing connection is completed. As shown in fig. 8, the fourth water distributing sleeve 410 is provided with a seventh sealing ring installing groove 411, and after the sealing ring is installed in the installing groove, the end of the seventh sealing ring installing groove 411 of the fourth water distributing sleeve 410 abuts against the fifth annular structure 515 through the sealing ring, thereby completing the sealing connection.

As can be understood by those skilled in the art, by providing the first flange 123 and the second flange 222 on the filter element frame 120 and the partition frame 220, the vertical flange portion is connected with the first water dividing sleeve 110 and the second water dividing sleeve 210 in a sealing manner, and the horizontal flange portion provides a supporting point for the first water dividing sleeve 110 and the second water dividing sleeve 210, so that relative movement between the filter element frame 120 and the first water dividing sleeve 110, and between the partition frame 220 and the second water dividing sleeve 210 is avoided, and the structure is firmer and better in sealing performance. The third flanging 313 is arranged on the third water dividing sleeve 310, so that the vertical flanging part is connected with the reverse osmosis filter element cover 320 in a sealing mode, the transverse flanging part abuts against the reverse osmosis filter element cover 320, relative movement between the third water dividing sleeve 310 and the reverse osmosis filter element cover 320 is avoided, and the structure is firmer and the sealing performance is better.

So far, the technical solutions of the present application have been described in connection with the foregoing embodiments, but it is easily understood by those skilled in the art that the scope of protection of the present application is not limited to these specific embodiments. The technical solutions in the above embodiments can be split and combined, and equivalent changes or substitutions can be made on related technical features by those skilled in the art without departing from the technical principles of the present application, and any changes, equivalents, improvements, and the like made within the technical concept and/or technical principles of the present application will fall within the protection scope of the present application.

Claims (10)

1. A water purifying device comprises a filter flask and a filter assembly arranged in the filter flask, and is characterized in that the filter flask comprises a flask cover and a flask body, wherein a first annular structure, a second annular structure, a third annular structure, a fourth annular structure and a fifth annular structure which are sequentially distributed from outside to inside are arranged on one side of the flask cover facing the flask body;

a first water hole is formed in the first annular structure, a second water hole is formed in the second annular structure, a third water hole is formed in the third annular structure, a fourth water hole is formed in the fourth annular structure, and a fifth water hole is formed in the fifth annular structure;

a first water pipe, a second water pipe, a third water pipe, a fourth water pipe and a fifth water pipe are arranged on one side of the bottle cap in the radial direction in parallel;

one end of the first water pipe is communicated with the first water hole;

one end of the second water pipe penetrates through the first annular structure to be communicated with the second water hole;

one end of the third water pipe penetrates through the first annular structure and the second annular structure to be communicated with the third water hole;

one end of the fourth water pipe penetrates through the first annular structure, the second annular structure and the third annular structure to be communicated with the fourth water hole;

one end of the fifth water pipe penetrates through the first annular structure, the second annular structure, the third annular structure and the fourth annular structure to be communicated with the fifth water hole.

2. The water purification apparatus of claim 1, wherein the first water pipe, the second water pipe, the third water pipe, the fourth water pipe, and the fifth water pipe are parallel to each other.

3. The water purification apparatus of claim 1, wherein the filter assembly comprises a bottom cap at an end of the filter assembly remote from the bottle cap;

the bottom cover is provided with a positioning convex rib, the inner bottom wall of the bottle body is provided with an annular convex rib matched with the positioning convex rib, and the positioning convex rib is embedded into the annular convex rib.

4. The water purification device of any one of claims 1 to 3, wherein the filter assembly comprises an annular front filter element assembly, an annular separation assembly, an annular reverse osmosis filter element assembly, a central tube and an annular rear filter element assembly which are arranged in sequence from outside to inside, and the central tube is provided with a water permeable hole;

a first cavity formed among the preposed filter element assembly, the bottle body, the first annular structure and the second annular structure is communicated with the first water hole,

a second cavity formed among the preposed filter element component, the separation component, the second annular structure and the third annular structure is communicated with the second water hole,

a third cavity formed among the separation component, the reverse osmosis filter element component, the third annular structure and the fourth annular structure is communicated with the third water hole,

a fourth cavity formed among the top surface of the reverse osmosis filter element component, the fourth annular structure and the fifth annular structure is communicated with the fourth water hole,

and a fifth cavity in the rear filter element assembly is communicated with the fifth water hole.

5. The water purification device of claim 4, wherein the front filter element assembly comprises a front filter element, a filter element framework arranged on the inner side of the front filter element and a first water distribution sleeve arranged on the top of the front filter element, one end of the first water distribution sleeve is connected with the second annular structure in a sealing manner, and the other end of the first water distribution sleeve is connected with the filter element framework in a sealing manner.

6. The water purifying apparatus according to claim 5, wherein a first support rib is provided on an inner side of the first water dividing sleeve, and a second support rib is provided on an inner side of the filter element framework;

the separation component comprises a second water distribution sleeve and a separation framework,

one end of the second water distribution sleeve is connected with the third annular structure in a sealing mode, and the other end of the second water distribution sleeve is sealed with the separation framework;

the first water distribution sleeve is abutted to the second water distribution sleeve through the first supporting rib, and the filter element framework is abutted to the separation framework through the second supporting rib.

7. The water purifying apparatus according to claim 6, wherein a third support rib is provided on the inner side of the second water dividing sleeve, and a fourth support rib is provided on the inner side of the partition frame;

the reverse osmosis filter element component comprises a third water distribution sleeve, a reverse osmosis filter element cover and a reverse osmosis filter element which are arranged in sequence,

the reverse osmosis filter element is sleeved outside the central tube, the reverse osmosis filter element cover is in sealing fit with the outer side wall of the top of the reverse osmosis filter element, the reverse osmosis filter element cover is in sealing connection with the top of the central tube through an annular groove formed in the bottom of the reverse osmosis filter element cover, one end of the third water distributing sleeve is in sealing connection with the fourth annular structure, and the other end of the third water distributing sleeve is in sealing connection with the reverse osmosis filter element cover;

the second water distribution sleeve is abutted against the third water distribution sleeve through the third support rib, and the separation framework is abutted against the reverse osmosis filter element through the fourth support rib.

8. The water purification apparatus of claim 7, wherein a waste water gap is provided between the reverse osmosis cartridge cover and the upper end surface of the reverse osmosis cartridge, the reverse osmosis cartridge cover being provided with a waste water hole, the waste water hole and the waste water gap constituting a part of the fourth cavity.

9. The water purifying apparatus of claim 8, wherein the third water dividing jacket is provided with fifth support ribs,

the rear filter element assembly comprises a rear filter element and a fourth water distributing sleeve;

one end of the fourth water distributing sleeve is connected with the fifth annular structure in a sealing mode, the other end of the fourth water distributing sleeve is connected with the reverse osmosis filter element cover in a sealing mode, and the third water distributing sleeve is abutted to the fourth water distributing sleeve through the fifth supporting rib.

10. The water purification apparatus of claim 9, wherein the rear filter element is disposed in the central tube, an upper end surface of the rear filter element is in sealing fit with the reverse osmosis filter element cover, a lower end surface of the rear filter element is in sealing fit with a partition plate disposed in the central tube, and the rear filter element is a hollow tubular structure formed by carbon compression.

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