CN213790240U - Filter core and water purification unit - Google Patents

Abstract

The utility model discloses a filter core and water purification unit, this filter core include filtration and filter media, and filtration is formed with the filtration passageway, and the filter media sets up in the filtration passageway, and the filter media is set up to switch on so that external water can get into the filtration passageway or the water in the filtration passageway can be through exerting pressure to the filter media in order to pass through to the effect of external force the filter media flows to the external world. When using, the water that possesses pressure can exert pressure to the filter media, make the filter media open the filtration passageway and filter in order to get into the filtration passageway, so realize the normal filtering capability of filter core, the pure water after the filtration also possesses certain pressure, the water that so possesses certain pressure can exert certain pressure to the filter media in order to open the filtration passageway and then make the pure water after filtering discharge to the external world, when the renew cartridge, the filter core stops the drainage, the water in the filtration passageway does not have pressure or pressure is less this moment, can't open the filter media this moment, and then the water in the filtration passageway can't discharge.

Description

Filter core and water purification unit

Technical Field

The utility model relates to a water purifier technical field especially relates to a filter core and water purification unit.

Background

With the continuous improvement of living standard, the water purifier has gradually become the indispensable life electrical apparatus at home. The general purifier all possesses the filter core, because of the restriction of filter media life-span, must pull down after using a period and change new filter core.

However, when the filter element of the traditional water purifier is replaced, water is remained in the old filter element, so that the water is difficult to spill out in the operation process, a user, the ground or equipment are wetted, certain danger exists, and the use of the user is influenced.

SUMMERY OF THE UTILITY MODEL

Based on this, to traditional purifier when the renew cartridge, because of the inside residual water of old filter core, the operation process is difficult to avoid spilling, gets wet user, ground or equipment, has certain danger, influences the problem that the user used, has proposed a filter core and water purification unit, can prevent that the inside remaining water of filter core from spilling when this filter core and water purification unit use.

The specific technical scheme is as follows:

in one aspect, the present application relates to a filter cartridge comprising: filtration and filter media, filtration is formed with the filtration passageway, the filter media set up in the filtration passageway, just the filter media is set up to switch on so that external hydroenergy can get into through the filter media under the effect of external force the filtration passageway, perhaps the water in the filtration passageway can pass through the filter media flows to the external world.

When the filter element is used, when water needs to be filtered, external water has pressure when being supplied, the water with pressure can apply pressure to the filter material to enable the filter material to open the filter channel to enter the filter channel for filtering, so that the normal filtering function of the filter element is realized, after filtering is finished, because the filtered pure water also has certain pressure in the filtering process, the water with certain pressure can apply certain pressure to the filter material to open the filter channel so as to discharge the filtered pure water to the outside; when the filter element is replaced, the filter element stops filtering water, the water in the filtering channel has no pressure or has small pressure, the filter material cannot be opened at the moment, and then the water in the filtering channel cannot be discharged, so that the phenomenon that the residual water in the filter element is spilled can be avoided when the filter element is replaced.

The technical solution is further explained below:

in one embodiment, the filter is one or more of a polyethylene filter, a synthetic fiber filter, and a polypropylene filter.

In one embodiment, the filter passage comprises a first water flow passage and a second water flow passage, the filter structure further comprises a mounting shell and a filter element, the mounting shell is provided with a containing cavity, the filter element is arranged in the containing cavity and forms the first water flow passage with the inner wall of the containing cavity, and the filter element is provided with the second water flow passage; the filter material includes first filter material valve body and second filter material valve body, first filter material valve body set up in first rivers passageway, second filter material valve body set up in the second rivers passageway.

When the filter element is replaced, because the water pressure in the second water flow channel is small, the water cannot pass through the second filter material valve body and cannot be spilled, and meanwhile, the internal water pressure in the first water flow channel is small, the water cannot pass through the first filter material valve body and cannot be spilled; or, in another embodiment, when the first water flow channel may be a pure water channel and the second water flow channel may be a raw water channel, the principle is similar to that in the foregoing embodiment, and details are not repeated herein.

In one embodiment, the filter element comprises a mounting seat and a filter element body, the mounting seat is fixedly arranged on the filter element body, a first gap is formed between the mounting seat and the inner wall of the accommodating cavity, a second gap is formed between the filter element body and the inner wall of the accommodating cavity, the first gap and the second gap are communicated to form the first water flow channel, a third water flow channel is formed in the filter element body, a fourth water flow channel is formed in the mounting seat, and the third water flow channel and the fourth water flow channel are communicated to form the second water flow channel.

In one embodiment, the second filter valve body is disposed in the fourth water flow channel, and the first filter valve body is disposed in the first gap.

In one embodiment, the mounting seat includes a connection seat body and a flow guide assembly, the connection seat body is fixedly disposed on the filter element body, the flow guide assembly is fixedly disposed on the connection seat body, the flow guide assembly and a clearance fit between the connection seat body and an inner wall of the accommodating cavity form the first gap, the flow guide assembly forms the fourth water flow channel therein, and the connection seat body is provided with a through hole for communicating the third water flow channel and the fourth water flow channel.

In one embodiment, the flow guide assembly includes a first flow guide member and a second flow guide member, the first flow guide member is fixedly disposed on the connection base, the first flow guide member and the connection base are in clearance fit with each other with the inner wall of the accommodating cavity to form the first gap, the first flow guide member is provided with an installation channel, the second flow guide member is inserted into the installation channel and connected with the connection base, and the second flow guide member and the inner wall of the installation channel form the fourth water flow channel.

In one embodiment, the second flow guiding element is provided with a mounting protrusion, and the second filter valve body is fixedly arranged on the mounting protrusion.

In one embodiment, the connection seat body is provided with a connection portion, the first flow guiding member is connected with the connection portion in a sealing manner, the connection portion is provided with a mounting groove, the second flow guiding member is fixedly arranged in the mounting groove and is matched with the inner wall of the mounting groove to form a fifth water flow channel communicated with the fourth water flow channel, and the inner wall of the fifth water flow channel is provided with the through hole.

In another aspect, the present application also relates to a water purification apparatus, which is characterized by comprising the filter element in any one of the above embodiments.

The water purifying device comprises the filter element in any embodiment, so that when the water purifying device is used and water needs to be filtered, external water has pressure when being supplied, the water with the pressure can exert pressure on the filter material at the moment, the filter material opens the filter channel to enter the filter channel for filtering, the normal filtering function of the filter element is realized, and after filtering is finished, because the filtered pure water also has certain pressure in the filtering process, the water with the certain pressure can exert certain pressure on the filter material to open the filter channel so as to discharge the filtered pure water to the outside; when the filter element is replaced, the filter element stops filtering water, the water in the filtering channel has no pressure or has small pressure, the filter material cannot be opened at the moment, and then the water in the filtering channel cannot be discharged, so that the phenomenon that the residual water in the filter element is spilled can be avoided when the filter element is replaced.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention in any way.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.

Furthermore, the drawings are not to scale of 1:1, and the relative dimensions of the various elements in the drawings are drawn only by way of example and not necessarily to true scale.

FIG. 1 is a schematic view of a filter cartridge according to an embodiment;

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

fig. 3 is a partially enlarged schematic view of a filter element in another embodiment.

Description of reference numerals:

10. a filter element; 100. a filter structure; 110. installing a shell; 112. an accommodating chamber; 114. a first water flow passage; 116. a first gap; 118. a second gap; 120. a filter member; 122. a second water flow passage; 124. A filter element body; 1242. a third water flow channel; 126. a mounting seat; 1262. a fourth water flow path; 1264. Connecting the base body; 12642. a through hole; 12644. a connecting portion; 12646. a fifth water flow channel; 1266. a flow guide assembly; 12662. a first flow guide member; 12664. a second flow guide member; 12666. installing a channel; 12668. mounting a boss; 200. a filter material; 210. a first filter valve body; 220. a second filter material valve body.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to 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", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Referring to fig. 1 and 2, an embodiment of a filter element 10 is provided, in which the filter element 10 and a water purifying apparatus can prevent residual water inside the filter element 10 from spilling when in use.

Referring to fig. 1 and 2, in particular, the filter element 10 includes a filter structure 100, and the filter structure 100 is formed with a filter passage, wherein external water to be filtered can enter the filter passage for filtering, and is discharged through the filter passage after filtering.

Referring to fig. 2, the filter element 10 further includes a filter material 200, the filter material 200 is disposed in the filtering channel, and the filter material 200 is configured to be conducted under the action of an external force, so that external water can enter the filtering channel through the filter material 200 by applying pressure to the filter material 200, and water in the filtering channel can flow out to the outside through the filter material 200 by applying pressure to the filter material 200. The filter material 200 is divided into a water inlet side and a water outlet side, external water can enter the filter channel through the filter material 200 by applying pressure to the water inlet side, and after the filtration is finished, water with pressure can apply pressure to the water outlet side so as to flow out to the outside through the filter material 200.

Referring to fig. 1 and 2, when water needs to be filtered, external water is pressurized when supplied, and the pressurized water can apply pressure to the filter material 200 to open the filter channel of the filter material 200 to enter the filter channel for filtering, so that a normal filtering function of the filter element 10 is realized, and after filtering is finished, because the filtered pure water also has a certain pressure in the filtering process, the pressurized water can apply a certain pressure to the filter material 200 to open the filter channel, so that the filtered pure water is discharged to the outside; when the filter element 10 is replaced, the filter element 10 stops filtering water, at this time, the water in the filtering channel has no pressure or has a small pressure, the filter material 200 cannot be opened at this time, and then the water in the filtering channel cannot be discharged, so that the water remained in the filter element 10 can be prevented from being spilled when the filter element 10 is replaced.

Specifically, the filter 200 may be a filter 200 that requires a certain pressure to pass, such as a pp (polypropylene) cotton filter 200, a synthetic fiber filter 200, or a polyethylene filter 200.

Referring to fig. 2, the filter passage includes a first water flow passage 114 and a second water flow passage 122, the filter structure 100 further includes a mounting housing 110 and a filter member 120, the mounting housing 110 has an accommodating cavity 112, the filter member 120 is disposed in the accommodating cavity 112 and forms the first water flow passage 114 with the inner wall of the accommodating cavity 112, and the filter member 120 has the second water flow passage 122; the first water flow channel 114 may be a raw water channel, and the second water flow channel 122 may be a pure water channel, at this time, water to be filtered enters the first water flow channel 114, and enters the second water flow channel 122 through the filtering action of the filter 120; alternatively, the first water flow path 114 may be a pure water path, and the second water flow path 122 may be a raw water path, in which case the water to be filtered enters the second water flow path 122 and enters the first water flow path 114 by the filtering action of the filter member 120.

Referring to fig. 2, the filter material 200 includes a first filter material 200 valve body and a second filter material 200 valve body, the first filter material 200 valve body is disposed in the first water flow channel 114, and the second filter material 200 valve body is disposed in the second water flow channel 122. Thus, the on-off of the first water flow channel 114 is controlled by the first filter material 200 valve body, the on-off of the second water flow channel 122 is controlled by the second filter material 200 valve body, when the first water flow path 114 is a raw water path, the second water flow path 122 is a pure water path, the water to be filtered applies pressure to the first filter 200 valve body to enter the first water flow channel 114 through the filter 200 valve body, and enters the second water flow channel 122 after being filtered by the filter 120, the water in the second water flow channel 122 applies pressure to the second filter 200 valve body to make the water in the second water flow channel 122 be discharged through the second filter 200 valve body, when the filter cartridge 10 is replaced, because the water pressure in the second water flow channel 122 is small, the water cannot pass through the valve body of the second filter material 200 and further cannot be spilled, meanwhile, the internal water pressure in the first water flow channel 114 is low, and the water cannot pass through the valve body of the first filter material 200 and cannot be spilled out; or, in another embodiment, when the first water flow channel 114 may be a pure water channel and the second water flow channel 122 may be a raw water channel, the principle is similar to that in the previous embodiment, and the description is omitted here.

Specifically, the first filter 200 valve element may be a first filter 200, and the second filter 200 valve element may be a second filter 200, wherein the first filter 200 and the second filter 200 may be filters 200 that require a certain pressure to pass, such as a pp (polypropylene) cotton filter 200, a synthetic fiber filter 200, or a polyethylene filter 200.

Referring to fig. 1 and 2, the filter element 120 includes a mounting seat 126 and a filter element body 124, the mounting seat 126 is fixedly disposed on the filter element body 124, a first gap 116 is formed between the mounting seat 126 and an inner wall of the accommodating cavity 112, a second gap 118 is formed between the filter element body 124 and the inner wall of the accommodating cavity 112, the first gap 116 and the second gap 118 are communicated to form a first water flow channel 114, a third water flow channel 1242 is formed in the filter element body 124, a fourth water flow channel 1262 is formed in the mounting seat 126, and the third water flow channel 1242 and the fourth water flow channel 1262 are communicated to form a second water flow channel 122.

Further, referring to fig. 2, the second filter 200 is disposed in the fourth water channel 1262, and the first filter 200 is disposed in the first gap 116. In other embodiments, the second filter 200 valve body may be further disposed in the third water flow passage 1242, and the first filter 200 valve body may be further disposed in the second gap 118, where the specific disposition position is set as required.

Referring to fig. 2, the mounting seat 126 includes a connecting seat body 1264 and a flow guide assembly 1266, the connecting seat body 1264 is fixedly disposed on the filter element body 124, the flow guide assembly 1266 is fixedly disposed on the connecting seat body 1264, the flow guide assembly 1266 and the connecting seat body 1264 are in clearance fit with the inner wall of the accommodating cavity 112 to form a first clearance 116, a fourth water flow channel 1262 is formed in the flow guide assembly 1266, and the connecting seat body 1264 is provided with a through hole 12642 for communicating the third water flow channel 1242 and the fourth water flow channel 1262. Thus, water in fourth water flow passage 1262 may pass through-hole 12642 into third water flow passage 1242 or water in third water flow passage 1242 may pass through-hole 12642 into fourth water flow passage 1262.

Further, referring to fig. 2, the flow guide assembly 1266 includes a first flow guide member 12662 and a first flow guide member 12662 fixedly disposed on the connecting seat body 1264, and the first flow guide member 12662 and the connecting seat body 1264 are in clearance fit with the inner wall of the accommodating cavity 112 to form a first gap 116, so that external water can flow in the first gap 116 under the guidance of the first flow guide member 12662.

Referring to fig. 2, specifically, the flow guide assembly 1266 further includes a second flow guide 12664, the first flow guide 12662 has a mounting channel 12666, the second flow guide 12664 is inserted into the mounting channel 12666 and connected to the connecting seat body 1264, and the second flow guide 12664 and the inner wall of the mounting channel 12666 form a fourth water flow channel 1262. The water thus discharged along the third water flow path 1242 can be circulated in the fourth water flow path 1262 by being guided by the second guide 12664. The second baffle 12664 can be a unitary structure or, in an alternative embodiment, referring to fig. 3, the second baffle 12664 can be a separate structure.

Referring to fig. 2, the second guiding element 12664 has a mounting protrusion 12668, and the valve body of the second filter 200 is fixedly mounted on the mounting protrusion 12668. Specifically, the structure of the mounting protrusion 12668 can match the shape of the fourth water channel 1262, so that it can fit the inner wall of the fourth water channel 1262 to improve the sealing performance.

Further, referring to fig. 2, the connection seat body 1264 is provided with a connection portion 12644, the first diversion member 12662 is hermetically connected with the connection portion 12644, the connection portion 12644 is provided with a mounting groove, the second diversion member 12664 is fixedly arranged in the mounting groove and is matched with the inner wall of the mounting groove to form a fifth water flow channel 12646 communicated with the fourth water flow channel 1262, and the inner wall of the fifth water flow channel 12646 is provided with a through hole 12642.

Specifically, the first fluid guide 12662 and the connection portion 12644 are hermetically connected, a sealing portion is disposed between the first fluid guide 12662 and the connection portion 12644, and the first fluid guide 12662 and the connection portion 12644 are connected through the sealing portion.

Furthermore, the connecting part 12644 extends into the installation channel 12666, a sealing groove is formed in the outer wall of the first flow guide element 12662, a sealing ring is arranged in the sealing groove, and the sealing groove and the sealing ring are matched to form a sealing part; or the outer wall of the connecting part 12644 is provided with a sealing groove, a second sealing ring is arranged in the sealing groove, and the sealing groove and the sealing ring are matched to form a sealing part.

In addition, an embodiment still relates to a water purification unit, and characterized by, including the filter core 10 in any above-mentioned embodiment.

The water purifying device comprises the filter element 10 in any embodiment, so that when the water purifying device is used and needs to filter water, external water has pressure when being supplied, the water with pressure can apply pressure to the filter material 200 at the moment, so that the filter material 200 opens the filter channel to enter the filter channel for filtering, and thus the normal filtering function of the filter element 10 is realized, and after filtering is finished, because the filtered pure water also has certain pressure in the filtering process, the water with certain pressure can apply certain pressure to the filter material 200 to open the filter channel so as to discharge the filtered pure water to the outside; when the filter element 10 is replaced, the filter element 10 stops filtering water, at this time, the water in the filtering channel has no pressure or has a small pressure, the filter material 200 cannot be opened at this time, and then the water in the filtering channel cannot be discharged, so that the water remained in the filter element 10 can be prevented from being spilled when the filter element 10 is replaced.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" 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. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A filter cartridge, comprising:

a filter structure formed with a filter channel; and

the filter media, the filter media set up in the filtration passageway, just the filter media is set up to switch on so that external hydroenergy can pass through the filter media and get into under the effect of external force the filtration passageway, perhaps the water in the filtration passageway can pass through the filter media flows to the external world.

2. The filter of claim 1, wherein the filter is one or more of a polyethylene filter, a synthetic fiber filter, and a polypropylene filter.

3. The filter cartridge according to claim 1, wherein said filter passages comprise a first flow passage and a second flow passage, said filter structure further comprising a mounting housing defining a receiving cavity, and a filter element disposed within said receiving cavity and forming said first flow passage with an inner wall of said receiving cavity, said filter element defining said second flow passage; the filter material includes first filter material valve body and second filter material valve body, first filter material valve body set up in first rivers passageway, second filter material valve body set up in the second rivers passageway.

4. The filter element according to claim 3, wherein the filter element includes a mounting seat and a filter element body, the mounting seat is fixedly arranged on the filter element body, a first gap is formed between the mounting seat and the inner wall of the accommodating cavity, a second gap is formed between the filter element body and the inner wall of the accommodating cavity, the first gap and the second gap are communicated to form the first water flow channel, a third water flow channel is formed in the filter element body, a fourth water flow channel is formed in the mounting seat, and the third water flow channel and the fourth water flow channel are communicated to form the second water flow channel.

5. The filter cartridge of claim 4, wherein the second filter valve body is disposed in the fourth flow passage and the first filter valve body is disposed in the first gap.

6. The filter element according to claim 4, wherein the mounting seat comprises a connecting seat body and a flow guide assembly, the connecting seat body is fixedly arranged on the filter element body, the flow guide assembly is fixedly arranged on the connecting seat body, the flow guide assembly and the gap fit between the connecting seat body and the inner wall of the accommodating cavity form the first gap, the flow guide assembly is internally provided with the fourth water flow channel, and the connecting seat body is provided with a through hole for communicating the third water flow channel and the fourth water flow channel.

7. The filter element according to claim 6, wherein the flow guide assembly comprises a first flow guide member and a second flow guide member, the first flow guide member is fixedly arranged on the connection seat body, the first flow guide member and the first gap are formed by clearance fit between the connection seat body and the inner wall of the accommodating cavity, the first flow guide member is provided with an installation channel, the second flow guide member is inserted into the installation channel and connected with the connection seat body, and the second flow guide member and the inner wall of the installation channel form the fourth water flow channel.

8. The filter cartridge of claim 7, wherein the second flow guide member is provided with a mounting protrusion, and the second filter valve body is fixedly arranged on the mounting protrusion.

9. The filter element as claimed in claim 7, wherein the connection seat body is provided with a connection portion, the first flow guiding member is connected with the connection portion in a sealing manner, the connection portion is provided with an installation groove, the second flow guiding member is fixedly arranged in the installation groove and is matched with the inner wall of the installation groove to form a fifth water flow passage communicated with the fourth water flow passage, and the inner wall of the fifth water flow passage is provided with the through hole.

10. A water purification apparatus, comprising a cartridge as claimed in any one of claims 1 to 9.

Images