CN112090135A - Filter core and water purification unit - Google Patents
Filter core and water purification unit Download PDFInfo
- Publication number
- CN112090135A CN112090135A CN202011032808.XA CN202011032808A CN112090135A CN 112090135 A CN112090135 A CN 112090135A CN 202011032808 A CN202011032808 A CN 202011032808A CN 112090135 A CN112090135 A CN 112090135A
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- filter
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 192
- 238000000746 purification Methods 0.000 title claims abstract description 11
- 238000009434 installation Methods 0.000 claims abstract description 39
- 238000007789 sealing Methods 0.000 claims description 79
- 230000015572 biosynthetic process Effects 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/114—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for inward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/117—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements arranged for outward flow filtration
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention discloses a filter element and water purification equipment, wherein the filter element comprises a filter component and a valve, the filter component comprises an installation shell and a filter piece, the installation shell is provided with an accommodating cavity and a first installation channel communicated with the accommodating cavity, the filter piece is arranged in the accommodating cavity, the filter piece and the inner wall of the accommodating cavity are arranged at intervals to form a first water flow channel, and a second water flow channel is formed in the filter piece; the valve is inserted in the first mounting channel; wherein the valve is rotatably advanced with respect to the first mounting channel to open the first and second water flow channels, and the valve is rotatably withdrawn with respect to the first mounting channel to close the first and second water flow channels. This filter core and water purification unit can promote the reliability that prevents that the inside remaining water of filter core from spilling when using.
Description
Technical Field
The invention relates to the technical field of water purifying equipment, in particular to a filter element and water purifying equipment.
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 filtering piece, because of the restriction of filter media life-span, must pull down after using a period and change new filter core. When a filter element of a common water purifier is replaced, water is remained in an 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; therefore all can set up corresponding stagnant water structure generally, then remove through stagnant water structure and open the inside runner of filter core during normal use to normal water purification then through stagnant water structure return and close the inside passageway of filter core when needing to change the filter core, in order to avoid leaking.
However, when the traditional water stopping structure is used, the problem of failure of the water stopping structure is easy to occur, the water stopping reliability is low, and then the water leakage risk can occur when the filter element is replaced.
Disclosure of Invention
Based on this, to traditional stagnant water structure when using, the stagnant water structural failure appears easily, and the stagnant water reliability is lower, and then makes the filter core can appear the problem of the risk of leaking when changing, provides a filter core and water purification unit, and this filter core and water purification unit can promote the reliability that prevents the inside remaining water of filter core and spill when using.
The specific technical scheme is as follows:
on one hand, the filter element comprises a filter assembly and a valve, wherein the filter assembly comprises an installation shell and a filter element, the installation shell is provided with an accommodating cavity and a first installation channel communicated with the accommodating cavity, the filter element is installed in the accommodating cavity, the filter element and the inner wall of the accommodating cavity are arranged at intervals to form a first water flow channel, and a second water flow channel is formed in the filter element; the valve is inserted in the first mounting channel;
wherein the valve is rotatably advanced with respect to the first mounting channel to open the first and second water flow channels, and the valve is rotatably withdrawn with respect to the first mounting channel to close the first and second water flow channels.
The technical solution is further explained below:
in one embodiment, the water filter further comprises a mounting piece, the valve is provided with a second mounting channel, one end of the mounting piece is inserted into the second mounting channel, the other end of the mounting piece is connected with the filter piece, the valve and the inner wall of the first mounting channel form a third water flow channel, and a fourth water flow channel is formed between the mounting piece and the second mounting channel;
the valve can be rotationally pushed in a direction close to the filter element relative to the first mounting channel so as to enable the third water flow channel to be communicated with the first water flow channel, the second water flow channel to be communicated with the fourth water flow channel, and the valve can be rotationally withdrawn in a direction far away from the filter element relative to the first mounting channel so as to enable the valve to be in sealing fit with the first mounting channel and the valve to be in sealing fit with the mounting element.
In one embodiment, the valve installation structure further comprises a driving piece, the driving piece comprises a rotating body and a pushing body, the rotating body is provided with a first installation groove, one end of the pushing body is fixedly arranged in the first installation groove and forms a first connecting channel with the inner wall of the first installation groove, the other end of the pushing body is connected with the valve, the installation shell extends into the first connecting channel, the first connecting channel is communicated with the third water flow channel, the pushing body is provided with a second connecting channel, the second connecting channel is communicated with the fourth water flow channel, and the rotating body correspondingly drives the valve to rotate to advance or retreat relative to the first installation channel by rotating relative to the installation shell.
In one embodiment, the outer wall of the valve is in interference fit with the inner wall of the second connecting channel, and the mounting piece extends into the second connecting channel.
In one embodiment, the outer wall of the mounting housing is provided with a first thread structure, and the inner wall of the first connecting channel is provided with a second thread structure which is in threaded fit with the first thread structure.
In one embodiment, the third water flow channel is provided with a first seal portion, and the fourth water flow channel is provided with a second seal portion;
when the valve is rotationally pushed relative to the first mounting channel in a direction close to the filter element, the first sealing part opens the third water flow channel, and the second sealing part opens the fourth water flow channel;
when the valve is rotated and retreated relative to the first mounting channel along the direction far away from the filter element, the first sealing part is sealed, and the second sealing part is sealed.
In one embodiment, the outer wall of the valve is provided with a first sealing groove, a first sealing ring is arranged in the first sealing groove, and the first sealing groove and the first sealing ring are matched to form the first sealing part.
In one embodiment, the outer wall of the mounting member is provided with a second sealing groove, a second sealing ring is arranged in the second sealing groove, and the second sealing groove and the second sealing ring are matched to form the second sealing part.
In one embodiment, the outer wall of the mounting member is provided with a third thread structure, and the inner wall of the second mounting channel is provided with a fourth thread structure which is in threaded fit with the third thread structure.
In one embodiment, a first step portion is formed on the inner wall of the first installation channel, and a second step portion in limit fit with the first step portion is arranged on the outer wall of the valve.
In one embodiment, the filter element includes a filter element body and a mounting seat, the filter element body is provided with the second water flow channel, the mounting seat is fixedly arranged on the filter element body, the mounting seat is formed with a second mounting groove and a through hole communicated with the second mounting groove, the valve is rotatably connected with the mounting seat, the other end of the mounting element is inserted into the inner wall of the second mounting groove, and the second mounting channel is communicated with the second water flow channel through the through hole.
In one embodiment, the mounting seat is provided with a fifth thread structure, and the valve is provided with a sixth thread structure in threaded engagement with the fifth thread structure.
In one embodiment, the valve further comprises a third sealing ring, and the third sealing ring is arranged between the valve and the mounting seat.
In another aspect, the present application also relates to a water purification apparatus, including the filter element in any one of the above embodiments.
When the filter element and the water purifying equipment are used, the valve can be driven to rotate and push relative to the first installation channel, at the moment, the first water flow channel and the second water flow channel are opened, water to be purified can enter the first water flow channel and be discharged along the second water flow channel after being filtered by the filter element, or water to be purified can enter the second water flow channel and be discharged along the first water flow channel after being filtered by the filter element, so that the purifying function is realized; when the filter element needs to be replaced, the valve is driven to rotate and retreat relative to the first mounting channel so as to close the first water flow channel and the second water flow channel, so that water in the accommodating cavity cannot be discharged, and residual water in the filter element can be prevented from being spilled; furthermore, the valve is relative when first installation passageway impels or withdraws from, all goes on through the mode of self rotation, has saved self return mechanism, and then can avoid leading to the valve to lose efficacy because self return mechanism loses efficacy and can't close first rivers passageway with second rivers passageway, so can promote the reliability that prevents that the inside remaining water of filter core from spilling.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention.
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 based on 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 one embodiment;
FIG. 2 is a schematic view of a filter cartridge according to another embodiment;
FIG. 3 is a schematic view of a filter cartridge according to another embodiment;
FIG. 4 is a schematic view of a filter cartridge according to another embodiment;
fig. 5 is a schematic view of a filter element according to another embodiment.
Description of reference numerals:
10. a filter element; 100. a filter assembly; 110. installing a shell; 112. an accommodating chamber; 114. a first mounting channel; 1142. a first step portion; 116. a first thread formation; 120. a filter member; 122. a first water flow passage; 124. a second water flow passage; 126. a filter element body; 128. a mounting seat; 1282. a second mounting groove; 1284. a through hole; 1286. a fifth thread form; 210. a valve; 212. a second mounting channel; 2122. a fourth thread form; 214. a third water flow channel; 2142. a first seal portion; 21422. a first seal groove; 21424. a first seal ring; 216. a second step portion; 218. a sixth thread form; 220. a mounting member; 222. a fourth water flow path; 2222. a second seal portion; 22222. a second seal groove; 22224. a second seal ring; 224. a third thread formation; 300. a pushing body; 310. a second connecting channel; 400. a rotating body; 410. a first mounting groove; 412. a first connecting channel; 4122. a second thread formation; 500. and a third sealing ring.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "central," "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 are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the 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.
In one embodiment, the filter cartridge 10 can improve the reliability of preventing water remaining inside the filter cartridge 10 from being spilled out when the filter cartridge 10 is used.
Referring to fig. 1 to 3, in one embodiment, the filter cartridge 10 includes a filter assembly 100 and a valve 210, the filter assembly 100 includes a mounting housing 110 and a filter element 120, the mounting housing 110 has a receiving cavity 112 and a first mounting channel 114 communicating with the receiving cavity 112, the filter element 120 is mounted in the receiving cavity 112, the filter element 120 and an inner wall of the receiving cavity 112 are spaced apart to form a first water flow channel 122, and a second water flow channel 124 is formed in the filter element 120, specifically, water to be purified can enter the first water flow channel 122, then enter the second water flow channel 124 after being filtered by the filter element 120, and then be discharged, where the first water flow channel 122 is a raw water channel and the second water flow channel 124 is a pure water channel; or the water to be purified enters the second water flow path 124 and then is filtered by the filter 120, enters the first water flow path 122, and is discharged, in which case the first water flow path 122 is a pure water path, and the second water flow path 124 is a raw water path.
Referring to fig. 2 and 5, the valve 210 is inserted into the first installation channel 114, and the valve 210 is rotatable relative to the first installation channel 114, referring to fig. 5, in one of the operation states, the valve 210 is rotatably pushed forward relative to the first installation channel 114 to open the first water flow channel 122 and the second water flow channel 124, referring to fig. 2, in the other operation state, the valve 210 is rotatably withdrawn relative to the first installation channel 114 to close the first water flow channel 122 and the second water flow channel 124.
In use, the water to be purified can enter the first water flow passage 122 and be filtered by the filter element 120 and then be discharged along the second water flow passage 124, or the water to be purified can enter the second water flow passage 124 and be filtered by the filter element 120 and then be discharged along the first water flow passage 122 by driving the valve 210 to rotate and advance relative to the first mounting passage 114, so that the purification function is realized; when the filter element 10 needs to be replaced, the valve 210 is driven to rotate and withdraw relative to the first installation channel 114 to close the first water flow channel 122 and the second water flow channel 124, so that the water in the accommodating cavity 112 cannot be discharged, and the water remained in the filter element 10 can be prevented from being spilled; further, the valve 210 is rotated when being pushed or withdrawn relative to the first installation passage 114, so that an automatic return mechanism is omitted, and the problem that the first water flow passage 122 and the second water flow passage 124 cannot be closed due to the failure of the valve 210 caused by the failure of the automatic return mechanism can be avoided, so that the reliability of preventing residual water inside the filter element 10 from being spilled can be improved.
Referring to fig. 2, in the present embodiment, the valve 210 includes a valve 210 and a mounting member 220, the valve 210 is disposed in the first mounting channel 114, the valve 210 has a second mounting channel 212, one end of the mounting member 220 is inserted into the second mounting channel 212, and the other end is connected to the filter 120, the valve 210 and the inner wall of the first mounting channel 114 form a third water flow channel 214, and a fourth water flow channel 222 is formed between the mounting member 220 and the second mounting channel 212.
Referring to fig. 2 and 5, in use, the valve 210 can be driven to rotate and advance relative to the first mounting channel 114 in a direction close to the filter element 120, so that the third water flow channel 214 can be conducted with the first water flow channel 122 and water can flow between the third water flow channel 214 and the first water flow channel 122; when the valve 210 is rotatably pushed in a direction approaching the filter member 120 relative to the first installation path 114, the second water flow path 124 is conducted to the fourth water flow path 222, and water can flow between the second water flow path 124 and the fourth water flow path 222, and based on the above description of the embodiment, the filtering function of the water to be purified can be realized.
Referring to fig. 2, when the filter cartridge 10 needs to be replaced, the valve 210 is driven to rotate and move out relative to the first installation channel 114 in a direction away from the filter member 120, at this time, the valve 210 is in sealing engagement with the first installation channel 114, so that water in the first water flow channel 122 cannot enter the third water flow channel 214, in other words, the first water flow channel 122 is closed, and the valve 210 is in sealing engagement with the installation member 220, so that water in the second water flow channel 124 cannot enter the fourth water flow channel 222, in other words, the second water flow channel 124 is closed.
Referring to fig. 5, the filter cartridge 10 further includes a driving member, and the driving valve 210 is driven by the driving member to rotate in and out relative to the first installation passage 114 in a direction away from the filter member 120.
Referring to fig. 5, in particular, the driving member includes a rotating body 400 and a pushing body 300, the rotating body 400 is rotated to advance or rotate to retreat relative to the mounting housing 110 to drive the pushing body 300 to correspondingly drive the valve 210 to rotate to advance or rotate to retreat relative to the first mounting channel 114.
Referring to fig. 5, the rotating body 400 is provided with a first mounting groove 410, one end of the pushing body 300 is fixedly disposed in the first mounting groove 410 and forms a first connecting channel 412 with an inner wall of the first mounting groove 410, the other end of the pushing body 300 is connected to the valve 210, the mounting housing 110 extends into the first connecting channel 412, the first connecting channel 412 is communicated with the third water channel 214, when the pushing body 300 pushes the valve 210 to rotate relative to the first mounting channel 114, the first connecting channel 412 is communicated with the first water channel 122 through the third water channel 214, when the pushing body 300 rotates and resets, the valve 210 can be driven to rotate relative to the first mounting channel 114 to exit, at this time, the first water channel 122 is closed, and water in the first water channel 122 cannot enter the first connecting channel 412.
Referring to fig. 5, further, the outer wall of the mounting housing 110 is provided with a first thread structure 116, and the inner wall of the first connecting channel 412 is provided with a second thread structure 4122 spirally engaged with the first thread structure 116. At this time, the screw engagement of the first thread structure 116 and the second thread structure 4122 realizes the rotational advancing or the rotational withdrawing of the rotating body 400 relative to the mounting housing 110, and further realizes the pushing body 300 driving the valve 210 body to rotationally advance or rotationally withdraw.
Further, referring to fig. 4, in one embodiment, the outer wall of the mounting member 220 is provided with a third thread structure 224, and the inner wall of the second mounting passage 212 is provided with a fourth thread structure 2122 spirally engaged with the third thread structure 224, so that when the rotary body 400 is rotatably engaged with the second thread structure 4122 through the first thread structure 116 and is rotatably moved relative to the mounting housing 110, the valve 210 can be rotatably moved just by the spiral engagement of the fourth thread structure 2122 and the third thread structure 224, and thus, the stability of the rotary movement of the valve 210 can be ensured.
Referring to fig. 5, the pushing body 300 is provided with a second connecting channel 310, the second connecting channel 310 is communicated with the fourth water flow channel 222, when the pushing body 300 pushes the valve 210 to rotate relative to the first mounting channel 114, the second connecting channel 310 can be communicated with the second water flow channel 124 through the fourth water flow channel 222, when the pushing body 300 is rotated and reset, the valve 210 can be driven to rotate relative to the first mounting channel 114 to exit, at this time, the second water flow channel 124 is closed, and then the water in the second water flow channel 124 cannot enter the second connecting channel 310.
Referring to fig. 3, there is shown an embodiment in which the valve 210 closes the first water passage 122 and the second water passage 124 when the pushing body 300 is rotationally reset, in one embodiment; in this embodiment, the third water flow passage 214 is provided with a first sealing portion 2142, and the fourth water flow passage 222 is provided with a second sealing portion 2222; when the valve 210 is rotatably pushed in a direction approaching the filter member 120 relative to the first installation path 114, the first sealing portion 2142 opens the first installation path 114 and the third water flow path 214, and the second sealing portion 2222 opens the second installation path 212 and the fourth water flow path 222 is conducted, which can be understood as follows: the first sealing portion 2142 is not in a sealing state, or the first sealing portion 2142 opens the third water flow channel 214, so that the third water flow channel 214 is communicated with the first water flow channel 122, and similarly, the second sealing portion 2222 is not in a sealing state, or the second sealing portion 2222 opens the fourth water flow channel 222, so that the fourth water flow channel 222 is communicated with the second water flow channel 124; when the valve 210 is rotated and withdrawn in a direction away from the filter member 120 relative to the first installation passage 114, the first sealing portion 2142 is sealed, and the second sealing portion 2222 is sealed, it can be understood that the first sealing portion 2142 closes the third water flow passage 214, so that the third water flow passage 214 is cut off from the first water flow passage 122, and similarly, the second sealing portion 2222 closes the fourth water flow passage 222, so that the fourth water flow passage 222 is cut off from the second water flow passage 124.
Referring to fig. 4, a first sealing groove 21422 is disposed on an outer wall of the valve 210, a first sealing ring 21424 is disposed in the first sealing groove 21422, and the first sealing groove 21422 and the first sealing ring 21424 cooperate to form a first sealing portion 2142. In another embodiment, a first sealing groove 21422 may be formed on an inner wall of the first mounting channel 114, a first sealing ring 21424 is disposed in the first sealing groove 21422, and the first sealing groove 21422 and the first sealing ring 21424 cooperate to form a first sealing portion 2142.
Referring to fig. 4, the outer wall of the mounting member 220 is provided with a second sealing groove 22222, a second sealing ring 22224 is disposed in the second sealing groove 22222, and the second sealing groove 22222 and the second sealing ring 22224 cooperate to form a second sealing portion 2222. In another embodiment, a second sealing groove 22222 may be formed in an inner wall of the second mounting passage 212, a second sealing ring 22224 is disposed in the second sealing groove 22222, and the second sealing groove 22222 and the second sealing ring 22224 are matched to form a second sealing portion 2222.
Referring to fig. 3 and 5, in the present embodiment, the outer wall of the valve 210 is in interference fit with the inner wall of the second connecting channel 310, and the mounting member 220 extends into the second connecting channel 310. Thus, when the pushing body 300 is rotated to advance or rotate to retreat, the valve 210 is driven to rotate to advance or rotate to retreat. In this embodiment, a sealing ring is further disposed between the outer wall of the valve 210 and the inner wall of the second connecting channel 310, and the sealing ring is pressed to perform interference fit. The sealing ring may be installed in a receiving groove formed in an outer wall of the valve 210 or an inner wall of the second connection passage 310.
The valve 210 and the pushing body 300 can be connected in various ways, for example, in other embodiments, the pushing body 300 can be tightly matched with the valve 210 in a clamping manner.
Referring to fig. 5, in one embodiment, a first step 1142 is formed on an inner wall of the first installation channel 114, and a second step 216 in limit fit with the first step 1142 is disposed on an outer wall of the valve 210, so that the valve 210 is prevented from sliding out of the first installation channel 114 by the limit fit between the first step 1142 and the second step 216.
Referring to fig. 4, the filter element 120 includes a filter element body 126 and a mounting seat 128, the filter element body 126 is provided with a second water flow channel 124, the mounting seat 128 is fixedly disposed on the filter element body 126, the mounting seat 128 is formed with a second mounting groove 1282 and a through hole 1284 communicated with the second mounting groove 1282, the other end of the mounting member 220 is inserted into the inner wall of the second mounting groove 1282, the second mounting channel 212 is communicated with the second water flow channel 124 through the through hole 1284, so that water in the second water flow channel 124 enters the second mounting channel 212 along the through hole 1284, and specifically, water in the second water flow channel 124 enters the fourth water flow channel 222 along the through hole 1284.
Further, referring to fig. 4, the valve 210 is rotatably connected to the mounting seat 128; specifically, referring to fig. 4, the mounting seat 128 is provided with a fifth thread structure 1286, the valve 210 is provided with a sixth thread structure 218 spirally engaged with the fifth thread structure 1286, and when the valve 210 is rotationally moved, the fifth thread structure 1286 is exactly spirally engaged with the sixth thread structure 218, so that the valve 210 is rotationally moved relative to the mounting seat 128. In addition, the fifth thread structure 1286 can be in threaded fit with the sixth thread structure 218 to play a sealing role, so that the water in the first water flow channel 122 is prevented from entering the second installation groove 1282 and polluting the water in the second installation groove 1282
Referring to fig. 3, in another embodiment, the filter cartridge 10 further includes a third sealing ring 500, and the third sealing ring 500 is disposed between the valve 210 and the mounting seat 128. Therefore, the water in the first water flow channel 122 can be prevented from entering the second mounting groove 1282, and the water in the second mounting groove 1282 is prevented from being polluted. Further, a conventional housing groove is opened in the valve 210 or the mounting seat 128, and the third seal ring 500 is disposed in the housing groove.
In addition, an embodiment still relates to a water purification unit, includes filter core 10 in any above-mentioned embodiment.
The water purifying apparatus includes the filter cartridge 10 of any of the above embodiments, so that, in use, the valve 210 can be driven to rotate and advance relative to the first installation passage 114, and at the same time, the first water flow passage 122 and the second water flow passage 124 are opened, and the water to be purified can enter the first water flow passage 122 and be filtered by the filter element 120 and then be discharged along the second water flow passage 124, or the water to be purified can enter the second water flow passage 124 and be filtered by the filter element 120 and then be discharged along the first water flow passage 122, so as to achieve the purifying function; when the filter element 10 needs to be replaced, the valve 210 is driven to rotate and withdraw relative to the first installation channel 114 to close the first water flow channel 122 and the second water flow channel 124, so that the water in the accommodating cavity 112 cannot be discharged, and the water remained in the filter element 10 can be prevented from being spilled; further, the valve 210 is rotated when being pushed or withdrawn relative to the first installation passage 114, so that an automatic return mechanism is omitted, and the problem that the first water flow passage 122 and the second water flow passage 124 cannot be closed due to the failure of the valve 210 caused by the failure of the automatic return mechanism can be avoided, so that the reliability of preventing residual water inside the filter element 10 from being spilled can be improved.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. 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 show some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (14)
1. A filter cartridge, comprising:
the filter assembly comprises a mounting shell and a filter piece, the mounting shell is provided with an accommodating cavity and a first mounting passage communicated with the accommodating cavity, the filter piece is arranged in the accommodating cavity, the filter piece and the inner wall of the accommodating cavity are arranged at intervals to form a first water flow passage, and a second water flow passage is formed in the filter piece; and
the valve is inserted into the first mounting channel;
wherein the valve is rotatably advanced with respect to the first mounting channel to open the first and second water flow channels, and the valve is rotatably withdrawn with respect to the first mounting channel to close the first and second water flow channels.
2. The filter cartridge according to claim 1, further comprising a mounting member, wherein the valve is provided with a second mounting passage, one end of the mounting member is inserted into the second mounting passage and the other end of the mounting member is connected to the filter member, the valve forms a third water flow passage with the inner wall of the first mounting passage, and a fourth water flow passage is formed between the mounting member and the second mounting passage;
wherein the valve is rotatably advanced relative to the first mounting channel in a direction approaching the filter element, such that the third water flow channel is in communication with the first water flow channel, and the second water flow channel is in communication with the fourth water flow channel; the valve can rotate and retreat along the direction far away from the filter piece relative to the first mounting channel, so that the valve is in sealing fit with the first mounting channel and the valve is in sealing fit with the mounting piece.
3. The filter element of claim 2, further comprising a driving member, wherein the driving member comprises a rotating body and a pushing body, the rotating body is provided with a first mounting groove, one end of the pushing body is fixedly arranged in the first mounting groove and forms a first connecting channel with an inner wall of the first mounting groove, the other end of the pushing body is connected with the valve, the mounting housing extends into the first connecting channel and the first connecting channel is communicated with the third water flow channel, the pushing body is provided with a second connecting channel which is communicated with the fourth water flow channel, and the rotating body drives the valve to rotate and advance or retract relative to the first mounting channel by rotating and advancing or retracting relative to the mounting housing.
4. The filter cartridge of claim 3, wherein an outer wall of the valve has an interference fit with an inner wall of the second connector passage, and the mounting member extends into the second connector passage.
5. The filter cartridge of claim 3, wherein the outer wall of the mounting housing is provided with a first thread formation and the inner wall of the first connection passage is provided with a second thread formation that threadedly engages the first thread formation.
6. The filter cartridge of claim 2, wherein the outer wall of the mounting member is provided with a third thread formation and the inner wall of the second mounting passage is provided with a fourth thread formation that threadedly engages the third thread formation.
7. The filter cartridge of claim 2, wherein the third flow passage is provided with a first seal and the fourth flow passage is provided with a second seal;
when the valve is rotationally pushed relative to the first mounting channel in a direction close to the filter element, the first sealing part opens the third water flow channel, and the second sealing part opens the fourth water flow channel;
when the valve is rotated and retreated relative to the first mounting channel along the direction far away from the filter element, the first sealing part is sealed, and the second sealing part is sealed.
8. The filter cartridge according to claim 7, wherein the outer wall of the valve is provided with a first sealing groove, a first sealing ring is arranged in the first sealing groove, and the first sealing groove and the first sealing ring cooperate to form the first sealing portion.
9. The filter cartridge of claim 7, wherein the outer wall of the mounting member is provided with a second seal groove, a second seal ring is disposed in the second seal groove, and the second seal groove and the second seal ring cooperate to form the second seal portion.
10. The filter cartridge according to claim 2, wherein the inner wall of the first installation channel is formed with a first step portion, and the outer wall of the valve is provided with a second step portion in limit fit with the first step portion.
11. The filter cartridge according to any one of claims 2 to 10, wherein the filter element includes a filter cartridge body and a mounting seat, the filter cartridge body is provided with the second water flow passage, the mounting seat is fixedly arranged on the filter cartridge body, the mounting seat is formed with a second mounting groove and a through hole communicated with the second mounting groove, the valve is rotatably connected with the mounting seat, the other end of the mounting member is inserted into an inner wall of the second mounting groove, and the second mounting passage is communicated with the second water flow passage through the through hole.
12. The filter cartridge of claim 11, wherein the mounting block is provided with a fifth thread arrangement and the valve is provided with a sixth thread arrangement that threadedly mates with the fifth thread arrangement.
13. The filter cartridge of claim 5, further comprising a third seal ring disposed between the valve and the mounting seat.
14. A water purification apparatus, comprising a cartridge as claimed in any one of claims 1 to 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011032808.XA CN112090135A (en) | 2020-09-27 | 2020-09-27 | Filter core and water purification unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011032808.XA CN112090135A (en) | 2020-09-27 | 2020-09-27 | Filter core and water purification unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112090135A true CN112090135A (en) | 2020-12-18 |
Family
ID=73782337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011032808.XA Pending CN112090135A (en) | 2020-09-27 | 2020-09-27 | Filter core and water purification unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112090135A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117695738A (en) * | 2024-02-04 | 2024-03-15 | 张家港市昌源氨纶制造有限公司 | Filter device of melt spinning spandex filament machine |
-
2020
- 2020-09-27 CN CN202011032808.XA patent/CN112090135A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117695738A (en) * | 2024-02-04 | 2024-03-15 | 张家港市昌源氨纶制造有限公司 | Filter device of melt spinning spandex filament machine |
| CN117695738B (en) * | 2024-02-04 | 2024-04-26 | 张家港市昌源氨纶制造有限公司 | Filter device of melt spinning spandex filament machine |
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