CN219558915U - Filtering component and water tank - Google Patents

Abstract

The utility model is suitable for the field of cleaning equipment, and discloses a filter assembly and a water tank. The filter assembly comprises a first mounting bracket and a filter element, wherein a first cavity is formed in the first mounting bracket, at least one first through hole and at least one second through hole are formed in the first mounting bracket, and the first cavity is communicated with the outside through the first through hole and the second through hole; the filter piece is arranged in the first cavity and between the first through hole and the second through hole; the periphery side of first installing support is provided with at least one first joint portion, and first joint portion can provide the deformation space under the effect that receives the extrusion. According to the filter assembly provided by the utility model, the first clamping part is deformed, so that the filter assembly can be quickly assembled and disassembled, and the replacement and maintenance of the filter assembly are facilitated.

Description

Filtering component and water tank

Technical Field

The utility model relates to the field of cleaning equipment, in particular to a filter assembly and a water tank.

Background

Along with the development of science and technology and the continuous increase of people's requirement to quality of life, intelligent house appears in people's daily life gradually, and wherein, the floor cleaning machine is more and more popular as the replacement instrument of mopping the floor broom.

Floor washers typically provide a water tank to supply water to the cleaning member to facilitate removal of dirt by the cleaning member, while the water in the tank for mopping is typically not tap water and will contain some impurities and dirt, thereby requiring a filter assembly to be installed in the tank for filtering prior to supplying water to the cleaning member. In the related art, the filter assembly has a complex structure, is not easy to install and disassemble, and causes inconvenience for replacement and maintenance of the filter assembly.

Disclosure of Invention

A first object of the present utility model is to provide a filter assembly, which aims to solve the technical problem of difficult installation and removal of the filter assembly.

In order to achieve the above purpose, the utility model provides the following scheme: a filter assembly, comprising:

the first mounting bracket is internally provided with a first cavity, at least one first through hole and at least one second through hole are formed in the first mounting bracket, and the first cavity is communicated with the outside through the first through hole and the second through hole;

the filter piece is arranged in the first cavity and between the first through hole and the second through hole; the periphery side of first installing support is provided with at least one first joint portion, first joint portion can provide the deformation space under the effect that receives the extrusion.

As one embodiment, the first clamping portion is a flexible member or an elastic member or a member made of plastic material.

As one embodiment, the first clamping portion is provided with a groove body and/or a hole body, and the first clamping portion provides a deformation space through the groove body and/or the hole body.

As one embodiment, the first mounting bracket comprises a base and a fixing ring, wherein the fixing ring is arranged on one side of the base and forms the first cavity with the base, and the first clamping part is convexly arranged on one side of the fixing ring, which is opposite to the first cavity, and is arranged at a distance from the base;

the annular wall of the fixed ring is provided with the first through hole;

the opening of one end of the fixing ring far away from the base forms the second through hole.

As one embodiment, the first clamping portion includes an abutting portion for abutting against a second clamping portion of a second mounting bracket, and the abutting portion is disposed at a distance from the fixed ring to form a space, and a connecting portion for connecting the abutting portion and the fixed ring; the first clamping part provides a deformation space through the interval space.

As one embodiment, the abutting portion is provided with a through hole, the through hole is communicated with the spacing space, and the first clamping portion further provides a deformation space through the through hole.

As one embodiment, an abutment projection is provided on a side of the abutment portion facing the base, and the abutment projection is configured to abut against a second engagement portion of the second mounting bracket.

As one embodiment, a guiding inclined plane is arranged on one side of the abutting projection, which faces the base, and the guiding inclined plane is used for guiding the second clamping part of the second mounting bracket when the filter assembly is matched with the second mounting bracket.

As one embodiment, the number of the first clamping portions is at least two, and all the first clamping portions are circumferentially spaced around the fixing ring.

A second object of the present utility model is to provide a water tank including:

the box body is provided with a containing cavity, and the box body is provided with a water inlet, a water outlet and a mounting port;

the second mounting bracket is arranged on the inner wall of the box body, a second cavity is formed in the second mounting bracket, at least one third through hole, at least one fourth through hole and a fifth through hole are formed in the second mounting bracket, the second cavity is communicated with the accommodating cavity through the third through hole, the second cavity is communicated with the water outlet through the fourth through hole, the fifth through hole is in butt joint with the mounting opening of the box body, and the second cavity is communicated with the outside through the fifth through hole and the mounting opening; the inner periphery side of the second mounting bracket comprises at least one second clamping part, and the second clamping part can provide a deformation space under the action of extrusion.

As an embodiment, the water tank further comprises a filter assembly, the filter assembly comprises a first mounting bracket, at least one first clamping portion is arranged on the outer periphery side of the first mounting bracket, and the first clamping portions and the second clamping portions are in one-to-one correspondence.

According to the filter assembly and the water tank, the filter piece is arranged to filter fluid flowing through the filter assembly; the first mounting bracket is used for mounting the filter element; through set up first joint portion at the periphery side of first installing support for with locate the second joint portion joint cooperation of second installing support inner periphery side, and set up first joint portion to can provide deformation space when receiving extruded effect, so that when first joint portion and second joint portion joint cooperation, first joint portion can warp, thereby make first joint portion joint in second joint portion firmly, and when first joint portion breaks away from mutually with second joint portion, through the deformation of first joint portion, make first joint portion break away from in second joint portion easily. Therefore, the filter assembly provided by the utility model can be quickly assembled and disassembled, and is beneficial to replacement and maintenance of the filter assembly.

Drawings

In order to more clearly illustrate the embodiments of the present 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, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

Fig. 1 is an exploded view of a water tank provided by an embodiment of the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a cross-sectional view of a water tank provided by an embodiment of the present utility model;

FIG. 4 is a partial enlarged view at B in FIG. 3;

FIG. 5 is a top view of a filter assembly provided by an embodiment of the present utility model;

FIG. 6 is a cross-sectional view taken along line C-C of FIG. 5;

FIG. 7 is a schematic view of a filter assembly according to an embodiment of the present utility model;

fig. 8 is a front view of a first mounting bracket provided by an embodiment of the present utility model.

Reference numerals illustrate:

1000. a water tank; 100. a filter assembly; 10. a first mounting bracket; 11. a first cavity; 12. a first through hole; 13. a second through hole; 14. a first clamping part; 141. an abutting portion; 142. a connection part; 143. a spacing space; 144. abutting the bump; 145. a guide slope; 15. a base; 16. a fixing ring; 20. a filter; 200. a case; 201. a receiving chamber; 202. a mounting port; 300. a second mounting bracket; 301. a second cavity; 302. a third through hole; 303. a fourth through hole; 305. a fifth through hole; 306. a second clamping part; 307. a cavity sidewall; 308. a cavity bottom wall; 3081. a bottom wall body; 3082. an interface tube; 309. rotating the flange; 400. and a seal.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. 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.

It should be noted that all directional indications (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship between the components, the movement condition, etc. in a specific posture, and if the specific posture is changed, the directional indication is changed accordingly.

It will also be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is 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 at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

As shown in fig. 1 to 4, an embodiment of the present utility model provides a water tank 1000 including a tank body 200 and a second mounting bracket 300; the box 200 is provided with a containing cavity 201, and a water inlet (not shown), a water outlet and a mounting port 202 are arranged on the box 200; the second mounting bracket 300 is arranged on the inner wall of the box body 200, a second cavity 301 is formed in the second mounting bracket 300, at least one third through hole 302, at least one fourth through hole 303 and a fifth through hole 305 are formed in the second mounting bracket 300, the second cavity 301 is communicated with the accommodating cavity 201 through the third through hole 302, the second cavity 301 is communicated with the water outlet through the fourth through hole 303, the fifth through hole 305 is in butt joint with the mounting port 202 of the box body 200, and the second cavity 301 is communicated with the outside through the fifth through hole 305 and the mounting port 202; the inner circumferential side of the second mounting bracket 300 includes at least one second clamping portion 306, and the second clamping portion 306 can provide a deformation space under the action of the compression. The treatment component for treating the fluid (such as water) in the accommodating cavity 201 can be installed in the second cavity 301 of the second installation bracket 300 from the outside of the box 200 through the installation opening 202 and the fifth through hole 305, the fluid in the accommodating cavity 201 flows into the second cavity 301 through the third through hole 302, and after being treated by the treatment component, the fluid is discharged to the water outlet through the fourth through hole 303. The processing component can be a filter component for filtering the fluid, and can also be a disinfection component for disinfecting the fluid, and the selection of the processing component is selected according to the actual demands of users.

By adopting the above technical scheme, through setting up second joint portion 306 at the inner periphery side of second installing support 300, the in-process extrusion second joint portion 306 in the second cavity 301 is installed to the processing component, and the second joint portion 306 takes place to warp and provides the deformation space after receiving the extrusion to make processing component easily and firmly install in the second cavity 301, and when dismantling processing component, can dismantle easily through the deformation of second joint portion 306.

As one embodiment, the present embodiment provides a water tank 1000 for a cleaning device, such as a floor washer. However, the present utility model is not limited to the cleaning device, and may be applied to other devices requiring the water tank 1000, such as a sample analyzer in the medical field, by providing the water tank 1000 with a cleaning liquid.

As an embodiment, the second mounting bracket 300 is integrally formed with the case 200. Thus, the processing and manufacturing are convenient. Of course, the second mounting bracket 300 and the case 200 may be manufactured separately and assembled.

As an embodiment, referring to fig. 1 and 4, the water tank 1000 further includes a filter assembly 100, the filter assembly 100 includes a first mounting bracket 10, and at least one first clamping portion 14 is disposed on an outer circumferential side of the first mounting bracket 10, and the first clamping portion 14 and the second clamping portion 306 are in one-to-one correspondence. By providing the filter assembly 100, filtration of the fluid within the receiving chamber 201 can be achieved after the filter assembly 100 is mounted within the second cavity 301 of the second mounting bracket 300. By providing the first mounting bracket 10, the first mounting bracket 10 is mounted within the second cavity 301 of the second mounting bracket 300 such that the filter assembly 100 is mounted within the second cavity 301 of the second mounting bracket 300; by providing the first clamping portions 14 corresponding to the second clamping portions 306 one by one on the outer periphery side of the first mounting bracket 10, the first mounting bracket 10 is mounted in the second cavity 301 of the second mounting bracket 300 through the clamping fit of the second clamping portions 306 and the first clamping portions 14.

In a specific application, the filter assembly 100 is rotated after entering the second cavity 301 from the outside, so that the first clamping portion 14 is clamped to the side of the second clamping portion 306 away from the fifth through hole 305, and the filter assembly 100 is stably installed in the second cavity 301 and cannot fall off from the second cavity 301 by itself; when the filter assembly 100 needs to be removed from the case 200, the filter assembly 100 is reversely rotated, and the first clamping portion 14 and the second clamping portion 306 are separated, thereby unloading the filter assembly 100. Thus, rapid installation and removal of the filter assembly 100 can be achieved, facilitating replacement and maintenance of the filter assembly 100. When the filter assembly 100 is installed in the box 200, fluid in the accommodating cavity 201 enters the second cavity 301 through the third through hole 302, the filter assembly 100 positioned in the second cavity 301 filters the fluid from the third through hole 302, and the second cavity 301 is communicated with the water outlet through the fourth through hole 303, so that the filtered fluid can be discharged from the second cavity 301 to the water outlet through the fourth through hole 303 and then discharged out of the accommodating cavity 201, and the fluid discharged from the water outlet is filtered.

As an embodiment, referring to fig. 2 to 6, a first cavity 11 is formed inside the first mounting bracket 10, at least one first through hole 12 and at least one second through hole 13 are provided on the first mounting bracket 10, and the first cavity 11 communicates with the outside through the first through hole 12 and the second through hole 13; specifically, when the first mounting bracket 10 is mounted in the second cavity 301 of the second mounting bracket 300, the first cavity 11 communicates with the third through hole 302 through one of the first through hole 12 and the second through hole 13, and communicates with the fourth through hole 303 through the other of the first through hole 12 and the second through hole 13, and thus, the fluid in the accommodation chamber 201 flows into the first cavity 11 through the third through hole 302 and then is discharged from the fourth through hole 303 to the water outlet.

As an embodiment, the first clamping portion 14 can provide a deformation space under the action of being pressed. In this way, when the first clamping portion 14 is clamped and engaged with the second clamping portion 306 in the process of installing the filter assembly 100 in the second cavity 301 of the second installation bracket 300, the second clamping portion 306 presses the first clamping portion 14, so that the first clamping portion 14 deforms and provides a deformation space, the first clamping portion 14 is easily and firmly clamped and engaged with the second clamping portion 306, the installation of the first installation bracket 10 is achieved, and when the first clamping portion 14 is separated from the second clamping portion 306, the first clamping portion 14 and the second clamping portion 306 are easily separated through the deformation of the first clamping portion 14. Accordingly, the mounting and dismounting of the first mounting bracket 10 can be completed quickly. In this embodiment, the first engaging portion 14 deforms when pressed, and provides a deformation space. It will be appreciated that in other embodiments, the second clamping portion 306 deforms when compressed, providing a deformation space, or both the first clamping portion 14 and the second clamping portion 306 deform when compressed, providing a deformation space.

As an embodiment, referring to fig. 5 and 6, the filter assembly 100 further includes a filter 20, and the filter 20 is disposed in the first cavity 11 and between the first through hole 12 and the second through hole 13. By providing the filter element 20, the fluid flowing therethrough is filtered. In a specific application, the fluid flows into the first cavity 11 through one of the first through hole 12 and the second through hole 13, is filtered by the filter 20, and is discharged out of the first cavity through the other of the first through hole 12 and the second through hole 13. The filter 20 may have any shape, such as a cylindrical shape or a plate shape.

As an embodiment, the first engaging portion 14 is a flexible member or an elastic member or a member made of plastic material. In this way, the first engaging portion 14 can be easily deformed when pressed.

As an embodiment, the first clamping portion 14 is provided with a groove body and/or a hole body, and the first clamping portion 14 provides a deformation space through the groove body and/or the hole body. By providing the first clamping portion 14 with a slot and/or a hole, the first clamping portion 14 is facilitated to deform. In a specific application, when the first clamping portion 14 is pressed, the pressed portion can move towards the groove body or the hole body, so as to deform.

As an embodiment, referring to fig. 2 to 4 and 7, the first mounting bracket 10 includes a base 15 and a fixing ring 16, the fixing ring 16 is disposed on one side of the base 15 and forms a first cavity 11 with the base 15, and the first clamping portion 14 is disposed on a side of the fixing ring 16 opposite to the first cavity 11 and spaced from the base 15; the annular wall of the fixed ring 16 is provided with a first through hole 12; the opening of the end of the fixing ring 16 remote from the base 15 forms a second through hole 13. Wherein the first through hole 12 corresponds to the third through hole 302, and the second through hole 13 corresponds to the fourth through hole 303. In this embodiment, the aperture of the second through hole 13 is larger than that of the fourth through hole 303, when the filter assembly 100 is mounted in the second cavity 301 of the second mounting bracket 300, one end of the fixing ring 16, which forms the second through hole 13, abuts against the portion of the second mounting bracket 300, where the fourth through hole 303 is formed, the base 15 covers the fifth through hole 305, the fluid in the accommodating cavity 201 flows through the third through hole 302 and the first through hole 12 in sequence into the first cavity 11, and after being filtered, flows to the water outlet through the second through hole 13 and the fourth through hole 303. The base 15 is arranged to cover the fifth through hole 305, so that the fluid is prevented from flowing out of the box body 200 through the fifth through hole 305 after entering the second cavity 301 through the third through hole 302; one end of the second through hole 13 formed by the fixing ring 16 abuts against a portion of the second mounting bracket 300 where the fourth through hole 303 is formed, so as to prevent the filtered fluid from flowing into the second cavity 301 again.

As an embodiment, the distance between the first clamping portion 14 and the base 15 is greater than the distance between the first through hole 12 and the base 15, and the partial areas of the first clamping portion 14 and the first through hole 12 are arranged in a staggered manner. In this way, the first through hole 12 is not blocked by the second mounting bracket 300, improving the smoothness of fluid flowing into the first cavity 11. Of course, in a specific application, the first through hole 12 may be formed at any position of the fixing ring 16 where the first clamping portion 14 is not provided, for example, the first through hole 12 is provided between the two first clamping portions 14, or the first through hole 12 is provided between the first clamping portion 14 and the base 15.

As an embodiment, the first clamping portion 14 and the fixing ring 16 are integrally formed. Thus, the production and the manufacture are convenient. Of course, in particular applications, it is also possible that the first clamping portion 14 and the fixing ring 16 are manufactured separately and assembled.

As an embodiment, referring to fig. 3, 4 and 7, the first clamping portion 14 includes an abutting portion 141 and a connecting portion 142, the abutting portion 141 is used to abut against the second clamping portion 306 of the second mounting bracket 300, the abutting portion 141 is spaced from the fixed ring 16 to form a spacing space 143, and the connecting portion 142 is used to connect the abutting portion 141 and the fixed ring 16; the first clamping portion 14 provides a deformation space through the spacing space 143. By providing the abutting portion 141 at a distance from the fixing ring 16 to form the space 143, when the abutting portion 141 abuts against the second engaging portion 306 to deform, the space 143 provides a deformation space, effectively increasing the deformation amount of the first engaging portion 14. Of course, in a specific application, the abutment portion 141 is not spaced from the fixing ring 16, and is attached to the outer wall of the fixing ring 16.

As one embodiment, the number of the connection portions 142 is two, the two connection portions 142 are disposed at intervals along the circumferential direction of the fixing ring 16 and are respectively connected to both ends of the abutment portion 141, and the abutment portion 141, the fixing ring 16 and the two connection portions 142 enclose a space 143. By providing the two connecting portions 142, the firmness of the connection of the abutting portion 141 to the fixing ring 16 is improved, and the abutting portion 141 is prevented from being separated from the fixing ring 16 due to excessive extrusion; by connecting the two connection portions 142 to both ends of the abutting portion 141, the middle portion of the abutting portion 141 is suspended, and deformation of the abutting portion 141 is facilitated when the abutting portion 141 is pressed.

In one embodiment, the abutting portion 141 is provided with a through hole (not shown) that communicates with the space 143, and the first engaging portion 14 also provides a deformation space through the through hole. By providing the through hole, the abutment portion 141 can be moved in the direction of the through hole when pressed, and the deformation amount of the first engagement portion 14 can be further increased. Of course, in a specific application, it is also possible that the abutment 141 is not provided with perforations, as an alternative embodiment.

As an embodiment, referring to fig. 3, 4 and 8, an abutment projection 144 is provided on a side of the abutment portion 141 facing the base 15, and the abutment projection 144 is configured to abut against the second engagement portion 306 of the second mounting bracket 300. In particular, after the filter assembly 100 enters the second cavity 301 from the outside and is rotated, the second clamping portion 306 is located between the first clamping portion 14 and the base 15, so that a side of the first clamping portion 14 facing the base 15 is abutted against the second clamping portion 306, i.e. a side of the abutting portion 141 facing the base 15 is abutted against the second clamping portion 306. By providing the abutment projection 144 on the side of the abutment portion 141 facing the base 15, the abutment projection 144 abuts against the second clamping portion 306, so as to increase the stability of the first clamping portion 14 abutting against the second clamping portion 306, and further increase the stability of the filter assembly 100 installed in the second cavity 301.

As an embodiment, referring to fig. 1, 4 and 8, a guiding inclined surface 145 is provided on a side of the abutment projection 144 facing the base 15, and the guiding inclined surface 145 is used for guiding the second engaging portion 306 of the second mounting bracket 300 when the filter assembly 100 is matched with the second mounting bracket 300. Thus, the snap connection of the first snap portion 14 and the second snap portion 306 is facilitated. Of course, in particular applications, alternative embodiments are possible without the guide ramp 145.

As an embodiment, the number of the first clamping portions 14 is at least two, and all the first clamping portions 14 are circumferentially spaced around the fixing ring 16. In this way, the stability of the filter assembly 100 installed into the second cavity 301 can be increased. In this embodiment, the number of the first clamping portions 14 is three, and the three first clamping portions 14 are disposed at equal intervals along the circumferential direction of the fixing ring 16, so that the extrusion force received by the first mounting bracket 10 is balanced, the situation that the first mounting bracket 10 is inclined due to unbalanced stress is avoided, and the stability of the filter assembly 100 in the second cavity 301 is further improved.

As an embodiment, referring to fig. 2 and 4, the second mounting bracket 300 includes a cavity side wall 307 and a cavity bottom wall 308 that form the second cavity 301, the third through hole 302 penetrates the cavity side wall 307, the fourth through hole 303 penetrates the cavity bottom wall 308, the fifth through hole 305 is formed at one end of the cavity side wall 307 away from the cavity bottom wall 308 and is surrounded by the cavity side wall 307, and the second clamping portion 306 is protruding inside the cavity side wall 307. In this embodiment, an end of the cavity side wall 307 remote from the cavity bottom wall 308 is connected to the mounting port 202 of the case 200, and a fifth through hole 305 is formed in the mounting port 202.

As an embodiment, referring to fig. 4 and 6, the cavity bottom wall 308 includes a bottom wall body 3081 and a mouthpiece 3082, the mouthpiece 3082 is disposed through the bottom wall body 3081, one end of the mouthpiece 3082 passes through the second through hole 13 and extends into the first cavity 11, the other end of the mouthpiece 3082 is used for connecting to a water outlet, and the cavity of the mouthpiece 3082 forms a fourth through hole 303. In particular applications, the filtered fluid flows from the first cavity 11 into the cavity of the mouthpiece 3082, through the cavity of the mouthpiece 3082 to the water outlet.

As an embodiment, referring to fig. 4, the second mounting bracket 300 is further provided with a rotating flange 309, where the rotating flange 309 is formed on the cavity sidewall 307 and located on the rotating path of the filter assembly 100, and the rotating flange 309 is used to prevent the first clamping portion 14 and the second clamping portion 306 from being disengaged due to excessive rotation of the filter assembly 100. Thus, the user does not have to worry about excessive rotation when rotating the filter assembly 100, and the user experience is good.

As an embodiment, referring to fig. 1, 4 and 6, water tank 1000 further includes a seal 400, seal 400 being disposed between base 15 and cavity side wall 307 of second mounting bracket 300 for sealing second cavity 301. In particular applications, after the filter assembly 100 is installed in the second cavity 301, the base 15 covers the fifth through hole 305, and the outer contour of the base 15 abuts against the inner wall of the cavity sidewall 307, and the seal 400 is disposed between the base 15 and the cavity sidewall 307, thereby sealing the second cavity 301 to prevent the fluid entering the second cavity 301 from flowing out of the fifth through hole 305.

As one embodiment, the mounting port 202 is formed at the bottom of the water tank 1000. In this way, the second mounting bracket 300 and the filter assembly 100 are both positioned at the bottom of the water tank 1000, and the fluid in the receiving chamber 201 flows toward the bottom of the water tank 1000 under the action of gravity, so that the fluid in the receiving chamber 201 can be filtered.

The principle of installation and removal of the filter assembly 100 provided in this embodiment is as follows:

(1) Extending the filter assembly 100 through the mounting port 202 and the fifth through hole 305 into the second cavity 301;

(2) The filter assembly 100 is rotated to drive the first clamping part 14 to rotate, so that the second clamping part 306 is positioned between the first clamping part 14 and the base 15 and is matched with the first clamping part 14 in a clamping way, and the filter assembly 100 is installed;

(3) When the first clamping part 14 and the second clamping part 306 are matched in a clamping way, at least one of the first clamping part 14 and the second clamping part 306 is deformed so as to increase the installation firmness of the filter assembly 100;

(4) The rotation flange 309 is disposed on the rotation path of the filter assembly 100, and blocks the first clamping portion 14 to prevent the filter assembly 100 from over-rotating;

(5) The filter assembly 100 is rotated in a reverse direction such that the first and second clamping portions 14, 306 disengage, thereby enabling removal of the filter assembly 100 from the second cavity 301.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (11)

1. A filter assembly, comprising:

the first mounting bracket is internally provided with a first cavity, at least one first through hole and at least one second through hole are formed in the first mounting bracket, and the first cavity is communicated with the outside through the first through hole and the second through hole;

the filter piece is arranged in the first cavity and between the first through hole and the second through hole; the periphery side of first installing support is provided with at least one first joint portion, first joint portion can provide the deformation space under the effect that receives the extrusion.

2. The filter assembly of claim 1, wherein the first snap-fit portion is a flexible member or an elastic member or a member made of plastic material; and/or the number of the groups of groups,

the first clamping part and at least part of the area of the first through hole are arranged in a staggered mode.

3. A filter assembly as claimed in claim 1 or claim 2, wherein the first clamping portion is provided with a slot and/or aperture through which the first clamping portion provides a deformation space.

4. The filter assembly of claim 1, wherein the first mounting bracket includes a base and a retaining ring, the retaining ring being disposed on a side of the base and forming the first cavity with the base, the first clip projecting from a side of the retaining ring opposite the first cavity and being spaced apart from the base;

the annular wall of the fixed ring is provided with the first through hole;

the opening of one end of the fixing ring far away from the base forms the second through hole.

5. The filter assembly of claim 4, wherein the first clamping portion includes an abutment portion for abutting a second clamping portion of a second mounting bracket and spaced from the retaining ring to form a spacing space, and a connecting portion for connecting the abutment portion and the retaining ring; the first clamping part provides a deformation space through the interval space.

6. The filter assembly of claim 5, wherein the abutment is provided with perforations that communicate with the spacing space, the first snap-fit portion also providing a deformation space through the perforations.

7. The filter assembly of claim 5, wherein a side of the abutment facing the base is provided with an abutment projection for abutting against a second clamping portion of the second mounting bracket.

8. The filter assembly of claim 7, wherein a side of the abutment projection facing the base is provided with a guide ramp for guiding the second engagement portion of the second mounting bracket when the filter assembly is mated with the second mounting bracket.

9. The filter assembly of any one of claims 4 to 8, wherein the number of first clamping portions is at least two, all of the first clamping portions being circumferentially spaced around the retaining ring.

10. A water tank, comprising:

the box body is provided with a containing cavity, and the box body is provided with a water inlet, a water outlet and a mounting port;

the second mounting bracket is arranged on the inner wall of the box body, a second cavity is formed in the second mounting bracket, at least one third through hole, at least one fourth through hole and a fifth through hole are formed in the second mounting bracket, the second cavity is communicated with the accommodating cavity through the third through hole, the second cavity is communicated with the water outlet through the fourth through hole, the fifth through hole is in butt joint with the mounting opening of the box body, and the second cavity is communicated with the outside through the fifth through hole and the mounting opening; the inner periphery side of the second mounting bracket comprises at least one second clamping part, and the second clamping part can provide a deformation space under the action of extrusion.

11. The water tank of claim 10, further comprising a filter assembly comprising a first mounting bracket, wherein a peripheral side of the first mounting bracket is provided with at least one first clamping portion, wherein the first clamping portion and the second clamping portion are in one-to-one correspondence.