CN219636972U - Ultrafiltration water purifier - Google Patents

Abstract

The utility model provides an ultrafiltration water purifier, which comprises a filter cylinder, an ultrafiltration membrane component and a mounting component; the filter cylinder is provided with a cavity, a water inlet and a water purifying hole which are communicated with the cavity; the ultrafiltration membrane component is arranged in the cavity, the ultrafiltration membrane component divides the cavity into a first subchamber and a second subchamber which are mutually independent, the water inlet end of the ultrafiltration membrane component is communicated with the first subchamber, the purified water outlet end of the ultrafiltration membrane component is communicated with the second subchamber, the first subchamber is also communicated with the water inlet, and the second subchamber is also communicated with the purified water hole; the wall surface of the filter cylinder body is convexly provided with an alignment part; the mounting assembly comprises a first mounting piece and a second mounting piece, the first mounting piece and the second mounting piece are connected together to form a clamping cavity, the first mounting piece and/or the second mounting piece are/is further formed with a limit groove communicated with the clamping cavity, the clamping cavity is used for clamping a cylinder body of the filter cylinder, and the limit groove is used for accommodating the alignment part. By the technical scheme, the technical problem of poor stability of integral assembly of the ultrafiltration water purifier in the prior art is solved.

Description

Ultrafiltration water purifier

Technical Field

The utility model relates to the technical field of water purifiers, in particular to an ultrafiltration water purifier.

Background

The ultrafiltration water purifier is equipment for purifying water by using an ultrafiltration technology, and is different from other water purifying equipment in that an ultrafiltration membrane is used; the ultrafiltration water purifier in the prior art has poor stability and low safety in integral assembly.

Disclosure of Invention

The utility model aims to provide an ultrafiltration water purifier so as to solve the technical problem of poor stability of integral assembly of the ultrafiltration water purifier in the prior art.

The utility model provides an ultrafiltration water purifier, comprising:

the filter cartridge is provided with a cavity, a water inlet and a water purifying hole communicated with the cavity, and an alignment part is formed on the bulge of the wall surface of the cartridge body of the filter cartridge;

the ultrafiltration membrane component is arranged in the cavity, the ultrafiltration membrane component divides the cavity into a first subchamber and a second subchamber which are mutually independent, the water inlet end of the ultrafiltration membrane component is communicated with the first subchamber, the water purification leading-out end of the ultrafiltration membrane component is communicated with the second subchamber, the first subchamber is also communicated with the water inlet hole, and the second subchamber is also communicated with the water purification hole;

the mounting assembly comprises a first mounting piece and a second mounting piece, the first mounting piece and the second mounting piece are connected together to form a clamping cavity, the first mounting piece and/or the second mounting piece are/is further formed with a limit groove communicated with the clamping cavity, the clamping cavity is used for clamping the barrel body of the filter cartridge, and the limit groove is used for accommodating the alignment part.

As an embodiment of the present utility model, the first mount is formed with a hook opening;

the ultrafiltration water purifier further comprises a hook piece, wherein the hook piece is provided with a mounting hole and a hook part, the mounting hole is used for fixing the hook piece on a wall body, and the hook part is hooked into the hook opening to hook the ultrafiltration water purifier.

As one embodiment of the utility model, the wall surface of the filter cylinder body is also convexly provided with a first convex pipe part communicated with the water purifying hole;

the second mounting piece is provided with a first avoidance through hole, and the first convex pipe part is arranged in the first avoidance through hole.

As an embodiment of the present utility model, the first mounting member is formed with a first connection hole, and the second mounting member is formed with a second connection hole;

the ultrafiltration water purifier further comprises a fixing screw, and the fixing screw is screwed into the first connecting hole and the second connecting hole in sequence.

As one embodiment of the utility model, the parts of the first mounting piece positioned at two sides of the filter cylinder are respectively provided with a buckling part, and the parts of the second mounting piece positioned at two sides of the filter cylinder are respectively provided with a buckling opening;

or, the parts of the first mounting piece, which are positioned at the two sides of the filter cylinder, are respectively provided with a buckling opening, and the parts of the second mounting piece, which are positioned at the two sides of the filter cylinder, are respectively provided with a buckling part;

the buckling part is used for being buckled into the buckling opening.

As one embodiment of the present utility model, the filter cartridge includes a first cylinder body and a second cylinder body;

the cavity is formed by abutting and communicating the first cylinder body and the second cylinder body;

the alignment part comprises a first alignment part and a second alignment part, the first alignment part is formed by the first cylinder body towards one end of the second cylinder body, the second alignment part is formed by the second cylinder body towards one end of the first cylinder body, and the first alignment part is connected with the second alignment part.

As an embodiment of the present utility model, the filter cartridge is further formed with a waste water hole;

the ultrafiltration membrane component also separates the cavity into a third subchamber, a wastewater leading-out end of the ultrafiltration membrane component is communicated with the third subchamber, and the third subchamber is also communicated with the wastewater hole;

the ultrafiltration water purifier further comprises a first plug, a second plug and a third plug;

the first plug is detachably plugged into the water inlet hole; the second plug is detachably plugged into the water purifying hole; and the third plug is detachably plugged into the waste water hole.

As one embodiment of the present utility model, the ultrafiltration water purifier further comprises a first end cap assembly and a second end cap assembly, which are respectively provided at opposite ends of the filter cartridge.

As one embodiment of the utility model, the first end cover assembly comprises a first end cover, the first end cover comprises a first cover part and a first sleeving part, the first cover part is covered on the first end of the filter cylinder, the first sleeving part is connected with the periphery of the first cover part in a bending way, and the first sleeving part is sleeved on the cylinder body of the filter cylinder;

the second end cover assembly comprises a second end cover, the second end cover comprises a second cover part and a second sleeving part, the second cover part is arranged at the second end of the filter cylinder in a covering mode, the second sleeving part is connected with the periphery of the second cover part in a bending mode, and the second sleeving part is tightly sleeved on the cylinder body of the filter cylinder.

As one embodiment of the utility model, the water inlet hole is formed by the first end of the filter cylinder, and the first end of the filter cylinder is also convexly provided with a second convex pipe part which is communicated with the water inlet hole;

the waste water hole is formed by the second end of the filter cylinder, and a third convex pipe part is further formed at the second end of the filter cylinder and communicated with the waste water hole;

the first cover part is provided with a second avoidance through hole, and the second convex pipe part penetrates through the second avoidance through hole;

the second cover part is provided with a third avoidance through hole, and the third convex pipe part penetrates through the third avoidance through hole;

the first end cover assembly further comprises a first retaining piece, wherein the first retaining piece comprises a first clamping part and a first pressing part, and the first clamping part is clamped between the second convex pipe part and the hole wall of the second avoidance through hole; the first pressing part is pressed on one side of the first cover part, which is away from the first end of the filter cylinder;

the second end cover assembly further comprises a second fixing piece, wherein the second fixing piece comprises a second clamping part and a second pressing part, and the second clamping part is clamped between the third convex pipe part and the hole wall of the third avoidance through hole; the second pressing part is pressed on one side of the second cover part, which is away from the second end of the filter cylinder.

The implementation of the embodiment of the utility model has the following beneficial effects:

in the utility model, the installation component is divided into the first installation piece and the second installation piece, when the assembly of the installation component and the filter cartridge is realized, the first installation piece and the second installation piece are firstly arranged on two sides of the filter cartridge, and then the first installation piece and the second installation piece are clamped in the clamping cavity, so that the first installation piece and the second installation piece can jointly hold the installation cartridge tightly; in addition, the first mounting piece and/or the second mounting piece are/is also provided with a limit groove communicated with the clamping cavity, so that when the first mounting piece and the second mounting piece hold the filter cartridge tightly, the alignment part is arranged in the limit groove, the alignment part is accommodated in the limit groove, and the groove wall of the limit groove is mutually limited and abutted with the alignment part, so that the mounting assembly is prevented from moving along the extending direction of the cylinder body of the filter cartridge, and the relative stability between the mounting assembly and the filter cartridge is further improved; by the technical scheme, the assembly stability between the mounting assembly and the filter cartridge assembly is improved, and the technical problem that the overall assembly stability of the ultrafiltration water purifier in the prior art is poor is solved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of an ultrafiltration water purifier according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram showing an exploded structure of an ultrafiltration water purifier according to an embodiment of the present utility model;

FIG. 3 is a water circuit diagram of an ultrafiltration water purifier according to an embodiment of the present utility model;

FIG. 4 is a cross-sectional view of an ultrafiltration water purifier according to an embodiment of the present utility model with an ultrafiltration membrane assembly removed;

FIG. 5 is a schematic view of a mounting assembly according to an embodiment of the present utility model;

FIG. 6 is a schematic view of an exploded view of a mounting assembly, a second plug, and a hanger according to an embodiment of the present utility model;

FIG. 7 is a schematic view illustrating an assembly of a first mounting member and a hook member according to an embodiment of the present utility model;

fig. 8 is an enlarged partial schematic view at C in fig. 4.

Wherein: 100. an ultrafiltration water purifier; 10. a filter cartridge; 101. a cavity; 1011. a first subchamber; 1012. a second subchamber; 1013. a third subchamber; 102. a water inlet hole; 103. a water purifying hole; 104. an alignment part; 1041. a first alignment part; 1042. a second alignment part; 105. a first convex pipe portion; 106. a second convex pipe portion; 107. a waste water hole; 11. a first cylinder; 12. a second cylinder; 20. an ultrafiltration membrane module; 30. a mounting assembly; 301. a clamping cavity; 31. a first mounting member; 311. a hook opening; 312. a first connection hole; 313. a buckling opening; 314. a limit groove; 315. a first abutting portion; 32. a second mounting member; 321. the first avoidance through hole; 322. a second connection hole; 323. a holding part; 324. a tag bit; 325. a second abutting portion; 40. a first plug; 50. a second plug; 60. a hook member; 61. a mounting hole; 62. a hook part; 70. a third plug; 80. a first end cap assembly; 81. a first end cap; 811. a first cover part; 812. a first socket part; 82. a first holder; 821. a first clamping portion; 822. a first pressing part; 90. a second end cap assembly; 91. a second end cap; 911. a second cover part; 9111. a third avoidance through hole; 912. a second socket joint part; 92. a second holder; 110. and (5) fixing the screw.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1-4, an embodiment of the present utility model provides an ultrafiltration water purifier 100 comprising a filter cartridge 10, an ultrafiltration membrane assembly 20, and a mounting assembly 30.

The filter cartridge 10 is formed with a cavity 101, a water inlet hole 102 communicated with the cavity 101, and a water purifying hole 103; the ultrafiltration membrane component 20 is arranged in the cavity 101, the ultrafiltration membrane component 20 divides the cavity 101 into a first subcavity 1011 and a second subcavity 1012 which are mutually independent, a water inlet end of the ultrafiltration membrane component 20 is communicated with the first subcavity 1011, a water purifying outlet end of the ultrafiltration membrane component 20 is communicated with the second subcavity 1012, the first subcavity 1011 is also communicated with the water inlet hole 102, and the second subcavity 1012 is also communicated with the water purifying hole 103.

Raw water (such as tap water) is introduced into the first subchamber 1011 through the water inlet hole 102, and then permeates into the ultrafiltration membrane component 20 through the water inlet end of the ultrafiltration membrane component 20, so that small molecular solutes and solvents in the water pass through the ultrafiltration membrane with a certain aperture to obtain purified water under the pushing of water pressure, thereby realizing the filtration of the raw water.

The wall surface of the filter cartridge 10 is provided with an alignment part 104 in a protruding manner; the mounting assembly 30 comprises a first mounting piece 31 and a second mounting piece 32, the first mounting piece 31 and the second mounting piece 32 are connected to form a clamping cavity 301 together, a limit groove 314 communicated with the clamping cavity 301 is formed in the first mounting piece 31 and/or the second mounting piece 32, the clamping cavity 301 is used for clamping the barrel body of the filter cartridge 10, and the limit groove 314 is used for accommodating the alignment part 104.

In the utility model, the mounting assembly 30 is divided into the first mounting piece 31 and the second mounting piece 32, when the assembly of the mounting assembly 30 and the filter cartridge 10 is realized, the first mounting piece 31 and the second mounting piece 32 are firstly arranged on two sides of the filter cartridge 10, and then the first mounting piece 31 and the second mounting piece 32 are arranged, so that the filter cartridge 10 is clamped in the clamping cavity 301, and the first mounting piece 31 and the second mounting piece 32 can jointly hold the mounting cartridge; in addition, the first mounting member 31 and/or the second mounting member 32 are/is further formed with a limiting groove 314 communicated with the clamping cavity 301, so that when the first mounting member 31 and the second mounting member 32 are tightly held by the filter cartridge 10, the alignment part 104 is arranged in the limiting groove 314, the alignment part 104 is accommodated in the limiting groove 314, and the groove wall of the limiting groove 314 is mutually limited and abutted with the alignment part 104, so that the movement of the mounting assembly 30 along the extending direction of the cartridge body of the filter cartridge 10 is avoided, and the relative stability between the mounting assembly 30 and the filter cartridge 10 is further improved; by the aid of the technical scheme, the assembly stability between the mounting assembly 30 and the filter cartridge 10 assembly is improved, and the technical problem that the overall assembly stability of the ultrafiltration water purifier in the prior art is poor is solved.

It should be noted that, the shape of the clamping cavity 301 matches the body of the filter cartridge 10, so that the clamping cavity 301 can clamp the filter cartridge 10 in a fitting manner.

In some specific embodiments, referring to fig. 3 and 4, the water purifying hole 103 is formed by the barrel of the filter cartridge 10, and the wall surface of the barrel of the filter cartridge 10 is further formed with a first protruding pipe 105 communicated with the water purifying hole 103, and the first protruding pipe 105 is communicated with the water purifying hole 103, so as to facilitate the extraction of purified water.

In some specific embodiments, referring to fig. 4 and 8, the water inlet hole 102 is formed at the first end of the filter cartridge 10, and the first end of the filter cartridge 10 is further formed with a second protruding pipe portion 106 protruding, and the second protruding pipe portion 106 communicates with the water inlet hole 102, so that the introduction of raw water is facilitated through the second protruding pipe portion 106.

In one embodiment, referring to fig. 4 and 8, the ultrafiltration water purifier 100 further includes a first plug 40, the first plug 40 is detachably plugged into the water inlet 102, and when raw water needs to be introduced into the first subchamber 1011 through the water inlet 102 for filtration, the first plug 40 is pulled out of the water inlet 102; when raw water is not required to be introduced into the first sub-chamber 1011 through the water inlet 102, the first stopper 40 is stopped up into the water inlet 102 to seal the water inlet 102.

In some specific embodiments, the removable plug of the first plug 40 plugs into the second male tube portion 106, effecting opening and plugging of the first plug 40 relative to the water inlet 102.

In one embodiment, referring to fig. 2 and 4, the ultrafiltration water purifier 100 further includes a second plug 50, the second plug 50 is detachably plugged into the water purifying hole 103, and when the purified water in the second subchamber 1012 needs to be led out through the water purifying hole 103, the second plug 50 is pulled out from the water purifying hole 103; when the purified water is not required to be led out, the second plug 50 is plugged into the purified water hole 103 to seal the purified water hole 103.

In some specific embodiments, the second plug 50 is removably plugged into the first male tube portion 105, enabling the second plug 50 to be opened and plugged relative to the water purification aperture 103.

In one embodiment, referring to fig. 6 and 7, the first mounting member 31 is formed with a hooking opening 311; the ultrafiltration water purifier 100 further comprises a hook member 60, wherein the hook member 60 is formed with a mounting hole 61 and a hook portion 62, the mounting hole 61 is used for fixing the hook member 60 on a wall body, and the hook portion 62 is hooked into the hook opening 311 to hook the ultrafiltration water purifier 100.

When the ultrafiltration water purifier 100 is required to be mounted on a wall body, the hook member 60 is fixed on the wall body through the mounting hole 61, then the hook opening 311 of the first mounting member 31 is aligned with the hook portion 62 of the hook member 60, the hook portion 62 is hooked into the hook opening 311, and therefore the first mounting member 31 is hooked on the hook member 60, the hook member 60 hooks the ultrafiltration water purifier 100, and the ultrafiltration water purifier 100 is mounted relative to the wall body.

In some specific embodiments, referring to fig. 4-6, the second mounting member 32 is formed with a first relief through hole 321, and the first male pipe portion 105 is disposed in the first relief through hole 321.

The second mounting piece 32 and the first mounting piece 31 are relatively held tightly on the barrel body of the filter cartridge 10, so that when the first mounting piece 31 is mounted on a wall body, the second mounting piece 32 is positioned on one side of the filter cartridge 10 away from the wall body, based on the second mounting piece 32, the first avoidance through hole 321 is formed, the first convex pipe part 105 is arranged in the avoidance through hole of the first mounting piece 31, the first convex pipe part 105 is hidden, and meanwhile, the wall of the first convex pipe part 105 and the wall of the first avoidance through hole 321 are mutually limited and abutted, so that the relative stability between the mounting assembly 30 and the filter cartridge 10 is further improved.

In one embodiment, referring to fig. 3 and 4, the filter cartridge 10 is further formed with a waste water hole 107; the ultrafiltration membrane assembly 20 further divides the cavity 101 into a third subchamber 1013, the wastewater outlet of the ultrafiltration membrane assembly 20 is communicated with the third subchamber 1013, and the third subchamber 1013 is also communicated with the wastewater hole 107.

That is, the wastewater discharged from the ultrafiltration module through the wastewater outlet port is discharged into the third subchamber 1013, and the wastewater in the third subchamber 1013 is discharged through the wastewater hole 107.

In one embodiment, referring to fig. 2 and 4, the ultrafiltration water purifier 100 further includes a third plug 70, the third plug 70 is detachably plugged into the waste water hole 107, and when the waste water in the third subchamber 1013 needs to be led out through the waste water hole 107, the third plug 70 is pulled out from the waste water hole 107; when the drainage is not required, the third plug 70 is plugged into the waste hole 107 to seal the waste hole 107.

Specifically, when the raw water needs to be filtered, the first plug 40 is pulled out of the water inlet hole 102, the third plug 70 is pulled out of the water purifying hole 103, and the third plug 70 is plugged into the waste water hole 107, so that the raw water inlet hole 102 is realized, the water purifying hole 103 is used for purifying the water, and the waste water is stored in the third subchamber 1013; when the raw water is not required to be filtered or the third subchamber 1013 is full, the third plug 70 is pulled out of the waste water hole 107, so that waste water is discharged from the waste water hole 107.

In some specific embodiments, the waste water hole 107 is formed by the second end of the filter cartridge 10, and the second end of the filter cartridge 10 is further formed with a third protruding pipe portion, and the third protruding pipe portion is in communication with the waste water hole 107, so that the introduction of waste water is facilitated through the third protruding pipe portion.

It should be noted that the first end of the filter cartridge 10 is disposed opposite to the second end of the filter cartridge 10.

In some specific embodiments, the third plug 70 is removably plugged into the third male pipe portion to effect opening and plugging of the third plug 70 relative to the waste aperture 107.

In some specific real-time examples, referring to fig. 6 and 7, the first mounting member 31 is formed with a first connection hole 312, and the second mounting member 32 is formed with a second connection hole 322 (not shown); the ultrafiltration water purifier 100 further comprises a fixing screw 110, wherein the fixing screw 110 is screwed into the first connecting hole 312 and the second connecting hole 322 in sequence, thereby realizing the fixed connection of the first mounting piece 31 and the second mounting piece 32.

In some specific embodiments, referring to fig. 5 and 6, the first mounting member 31 is formed with a first abutment 315 and the second mounting member 32 is formed with a second abutment 325, the second abutment 325 being configured to abut the first abutment 315 to indicate that the first and second mounting members 31, 32 are assembled in place, aligned in an assembled position.

In some embodiments, the first connecting hole 312 is formed on the first abutting portion 315, and the second connecting hole 322 is formed on the second abutting portion 325.

In some specific embodiments, referring to fig. 2 and 6, the portions of the first mounting member 31 located at both sides of the filter cartridge 10 form the first connection holes 312, and the portions of the second mounting member 32 located at both sides of the filter cartridge 10 form the second connection holes 322, thereby improving the stability of the connection between the first mounting member 31 and the second mounting member 32.

In some specific embodiments, referring to fig. 2 and 6, the first mounting member 31 is formed with a fastening portion 323 at both sides of the filter cartridge 10, and the second mounting member 32 is formed with a fastening opening 313 at both sides of the filter cartridge 10; or, the first mounting member 31 is formed with a fastening hole 313 at both sides of the filter cartridge 10, and the second mounting member 32 is formed with a fastening part 323 at both sides of the filter cartridge 10; wherein the fastening portion 323 is configured to be fastened into the fastening opening 313, thereby preventing the first mounting member 31 and the second mounting member 32 from being expanded and deformed.

In some specific embodiments, referring to fig. 2 and 5, when the first and second mounting members 31 and 32 are coupled, portions of the second mounting member 32 located at both sides of the filter cartridge 10 are respectively covered on portions of the first mounting member 31 located at both sides of the filter cartridge 10, thereby improving the assembly tightnesses of the first and second mounting members 31 and 32.

In some particular embodiments, referring to fig. 5 and 6, the side of the first mount 31 facing away from the second mount 32 is planar, so that the first mount 31 can be laid flat to support the filter cartridge 10.

In some specific embodiments, referring to fig. 5 and 6, the limiting recess 314 is formed with the first mounting member 31.

In some specific embodiments, referring to fig. 5 and 6, the second mount 32 is formed with a label station 324 for attaching a label of the ultrafiltration water purifier 100.

Referring to fig. 1-4, the ultrafiltration water purifier 100 further includes a first end cap assembly 80 and a second end cap assembly 90, the first end cap assembly 80 and the second end cap assembly 90 being disposed at opposite ends of the filter cartridge 10, respectively, to protect the opposite ends of the filter cartridge 10.

In one embodiment, referring to fig. 1-4, the first end cap assembly 80 includes a first end cap 81, the first end cap 81 includes a first cap portion 811 and a first socket portion 812, the first cap portion 811 is disposed on the first end of the filter cartridge 10, the first socket portion 812 is connected with the periphery of the first cap portion 811 in a bending manner, and the first socket portion 812 is tightly sleeved on the body of the filter cartridge 10. Specifically, the first sleeve-connecting portion 812 is pushed to enable the first sleeve-connecting portion 812 to be tightly connected to the body of the filter cartridge 10, so that the first end cover 81 is mounted relative to the filter cartridge 10, and during the process of tightly connecting the first sleeve-connecting portion 812, the first cover 811 also moves gradually towards the first end of the filter cartridge 10 until the first cover 811 covers the first end of the filter cartridge 10, so that the first end cover 81 protects the first end of the filter cartridge 10.

Referring to fig. 1-4, the second end cap assembly 90 includes a second end cap 91, the second end cap 91 includes a second cap portion 911 and a second sleeve connection portion 912, the second cap portion 911 is disposed on the second end of the filter cartridge 10, the second sleeve connection portion 912 is connected with the periphery of the second cap portion 911 in a bending manner, and the second sleeve connection portion 912 is tightly sleeved on the body of the filter cartridge 10. Specifically, the second sleeve connection portion 912 is pushed to enable the second sleeve connection portion 912 to be tightly sleeved on the body of the filter cartridge 10, so that the second end cover 91 is mounted relative to the filter cartridge 10, and during the process of tightly sleeving the second sleeve connection portion 912, the second cover portion 911 gradually moves towards the second end of the filter cartridge 10 until the second cover portion 911 covers the second end of the filter cartridge 10, so that the second end cover 91 protects the first end of the filter cartridge 10.

In some specific embodiments, the first cover 811 is formed with a second avoidance hole, and the second protruding tube 106 passes through the second avoidance hole, so as to avoid the second protruding tube 106 by the first cover 811, so that the first cover 811 can be covered on the first end of the filter cartridge 10.

In some specific embodiments, referring to fig. 2, the second cover portion 911 is formed with a third avoidance through hole 9111, and the third protruding tube portion passes through the third avoidance through hole 9111, so as to avoid the third protruding tube portion by the second cover portion 911, so that the second cover portion 911 can be covered on the second end of the filter cartridge 10.

In one embodiment, referring to fig. 1, 4 and 8, the first end cap assembly 80 further includes a first retainer 82, the first retainer 82 includes a first clamping portion 821 and a first holding portion 822, and the first clamping portion 821 is sandwiched between the second male pipe portion 106 and the wall of the second avoidance through hole; the first pressing part 822 is pressed on a side of the first cover part 811 facing away from the first end of the filter cartridge 10. The first clamping part 821 is clamped between the second convex pipe part 106 and the hole wall of the second avoidance through hole so as to fill a gap between the second convex pipe part 106 and the hole wall of the second avoidance through hole, so that the first cover part 811 is kept stable relative to the periphery side of the second convex pipe part 106; the first cover 811 is pressed toward the first end of the filter cartridge 10 by the first pressing portion 822 such that the first cover 811 is held stable against the first end of the filter cartridge 10.

Referring to fig. 2, the second end cap assembly 90 further includes a second retainer 92, where the second retainer 92 includes a second clamping portion and a second pressing portion, and the second clamping portion is sandwiched between the third protruding pipe portion and the hole wall of the third avoidance through hole 9111; the second press-holding portion is pressed on a side of the second cover portion 911 facing away from the second end of the filter cartridge 10. The second clamping part is clamped between the third convex pipe part and the hole wall of the third avoidance through hole 9111 so as to fill a gap between the third convex pipe part and the hole wall of the third avoidance through hole 9111, so that the second cover part 911 is kept stable relative to the periphery side of the third convex pipe part; the second cover portion 911 is pressed toward the second end of the filter cartridge 10 by the second pressing portion, so that the second cover portion 911 is stabilized with respect to the second end of the filter cartridge 10.

Referring to fig. 1-4, the filter cartridge 10 includes a first cylinder 11 and a second cylinder 12; the cavity 101 is formed by abutting and communicating the first cylinder 11 and the second cylinder 12; the alignment portion 104 includes a first alignment portion 1041 and a second alignment portion 1042, the first alignment portion 1041 is formed by the first cylinder 11 facing one end of the second cylinder 12, the second alignment portion 1042 is formed by the second cylinder 12 facing one end of the first cylinder 11, and the first alignment portion 1041 is connected to the second alignment portion 1042.

In this embodiment, the filter cartridge 10 is split to facilitate assembly of the ultrafiltration membrane assembly 20 into the cavity 101; the first cylinder 11 and the second cylinder 12 are connected by the connection of the first aligning portion 1041 and the second aligning portion 1042; limiting the first and second alignment portions 1041, 1042 into the limiting groove 314 not only prevents relative movement between the filter cartridge 10 and the mounting assembly 30, but also conceals the first and second alignment portions 1041, 1042.

In some specific embodiments, the first alignment portion 1041 is annular, i.e., the first alignment portion 1041 extends along a circumferential side of the first cylinder 11.

In some specific embodiments, the second alignment portion 1042 is annular, i.e., the second alignment portion 1042 extends along a circumferential side of the second cylinder 12.

In some particular embodiments, the end of the first barrel 11 remote from the second barrel 12 is the first end of the filter cartridge 10.

In some particular embodiments, the end of the second cylinder 12 remote from the first cylinder 11 is the second end of the filter cartridge 10.

In some specific embodiments, the water purification hole 103 is formed by the body of the second cylinder 12.

The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model. It will be apparent that the described embodiments are merely some, but not all, embodiments of the utility model. Based on these embodiments, all other embodiments that may be obtained by one of ordinary skill in the art without inventive effort are within the scope of the utility model. Although the present utility model has been described in detail with reference to the above embodiments, those skilled in the art may still combine, add or delete features of the embodiments of the present utility model or make other adjustments according to circumstances without any conflict, so as to obtain different technical solutions without substantially departing from the spirit of the present utility model, which also falls within the scope of the present utility model.

Claims (10)

1. An ultrafiltration water purifier, comprising:

the filter cartridge is provided with a cavity, a water inlet and a water purifying hole communicated with the cavity, and an alignment part is formed on the bulge of the wall surface of the cartridge body of the filter cartridge;

the ultrafiltration membrane component is arranged in the cavity, the ultrafiltration membrane component divides the cavity into a first subchamber and a second subchamber which are mutually independent, the water inlet end of the ultrafiltration membrane component is communicated with the first subchamber, the water purification leading-out end of the ultrafiltration membrane component is communicated with the second subchamber, the first subchamber is also communicated with the water inlet hole, and the second subchamber is also communicated with the water purification hole;

the mounting assembly comprises a first mounting piece and a second mounting piece, the first mounting piece and the second mounting piece are connected together to form a clamping cavity, the first mounting piece and/or the second mounting piece are/is further formed with a limit groove communicated with the clamping cavity, the clamping cavity is used for clamping the barrel body of the filter cartridge, and the limit groove is used for accommodating the alignment part.

2. The ultrafiltration water purifier of claim 1, wherein the first mounting member is formed with a hook opening;

the ultrafiltration water purifier further comprises a hook piece, wherein the hook piece is provided with a mounting hole and a hook part, the mounting hole is used for fixing the hook piece on a wall body, and the hook part is hooked into the hook opening to hook the ultrafiltration water purifier.

3. The ultrafiltration water purifier according to claim 2, wherein the wall surface of the cartridge body of the cartridge is further formed with a first protruding pipe portion protruding to communicate with the water purifying hole;

the second mounting piece is provided with a first avoidance through hole, and the first convex pipe part is arranged in the first avoidance through hole.

4. The ultrafiltration water purifier according to claim 1, wherein the first mounting member is formed with a first connection hole, and the second mounting member is formed with a second connection hole;

the ultrafiltration water purifier further comprises a fixing screw, and the fixing screw is screwed into the first connecting hole and the second connecting hole in sequence.

5. The ultrafiltration water purifier according to claim 3, wherein the first mounting member has a fastening portion formed at both sides of the filter cartridge, and the second mounting member has a fastening portion formed at both sides of the filter cartridge;

or, the parts of the first mounting piece, which are positioned at the two sides of the filter cylinder, are respectively provided with a buckling opening, and the parts of the second mounting piece, which are positioned at the two sides of the filter cylinder, are respectively provided with a buckling part;

the buckling part is used for being buckled into the buckling opening.

6. The ultrafiltration water purifier of any one of claims 1-5, wherein the filter cartridge comprises a first cylinder and a second cylinder;

the cavity is formed by abutting and communicating the first cylinder body and the second cylinder body;

the alignment part comprises a first alignment part and a second alignment part, the first alignment part is formed by the first cylinder body towards one end of the second cylinder body, the second alignment part is formed by the second cylinder body towards one end of the first cylinder body, and the first alignment part is connected with the second alignment part.

7. The ultrafiltration water purifier according to any one of claims 1 to 5, wherein the filter cartridge is further formed with a waste water hole;

the ultrafiltration membrane component also separates the cavity into a third subchamber, a wastewater leading-out end of the ultrafiltration membrane component is communicated with the third subchamber, and the third subchamber is also communicated with the wastewater hole;

the ultrafiltration water purifier further comprises a first plug, a second plug and a third plug;

the first plug is detachably plugged into the water inlet hole; the second plug is detachably plugged into the water purifying hole; and the third plug is detachably plugged into the waste water hole.

8. The ultrafiltration water purifier of claim 7, further comprising a first end cap assembly and a second end cap assembly, the first end cap assembly and the second end cap assembly being disposed at opposite ends of the filter cartridge, respectively.

9. The ultrafiltration water purifier of claim 8, wherein the first end cap assembly comprises a first end cap comprising a first cap portion and a first socket portion, the first cap portion being disposed over the first end of the filter cartridge, the first socket portion being in bent connection with a peripheral edge of the first cap portion, the first socket portion being fastened to a body of the filter cartridge;

the second end cover assembly comprises a second end cover, the second end cover comprises a second cover part and a second sleeving part, the second cover part is arranged at the second end of the filter cylinder in a covering mode, the second sleeving part is connected with the periphery of the second cover part in a bending mode, and the second sleeving part is tightly sleeved on the cylinder body of the filter cylinder.

10. The ultrafiltration water purifier of claim 9, wherein the water inlet is formed by a first end of the filter cartridge, the first end of the filter cartridge further being convexly formed with a second male tube portion, the second male tube portion being in communication with the water inlet;

the waste water hole is formed by the second end of the filter cylinder, and a third convex pipe part is further formed at the second end of the filter cylinder and communicated with the waste water hole;

the first cover part is provided with a second avoidance through hole, and the second convex pipe part penetrates through the second avoidance through hole;

the second cover part is provided with a third avoidance through hole, and the third convex pipe part penetrates through the third avoidance through hole;

the first end cover assembly further comprises a first retaining piece, wherein the first retaining piece comprises a first clamping part and a first pressing part, and the first clamping part is clamped between the second convex pipe part and the hole wall of the second avoidance through hole; the first pressing part is pressed on one side of the first cover part, which is away from the first end of the filter cylinder;

the second end cover assembly further comprises a second fixing piece, wherein the second fixing piece comprises a second clamping part and a second pressing part, and the second clamping part is clamped between the third convex pipe part and the hole wall of the third avoidance through hole; the second pressing part is pressed on one side of the second cover part, which is away from the second end of the filter cylinder.