CN212669369U

CN212669369U - Filter element assembly

Info

Publication number: CN212669369U
Application number: CN202020885655.2U
Authority: CN
Inventors: 王旭宁; 朱圣福
Original assignee: Hangzhou Jiuyang Water Purification System Co ltd
Current assignee: Hangzhou Jiuyang Water Purification System Co ltd
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2021-03-09
Anticipated expiration: 2030-05-22

Abstract

The application provides a filter element group spare, including casing and filter core, the filter core sets up in the casing, the filter core includes the diaphragm and establishes the end cover at diaphragm both ends, be equipped with into water passageway and play water passageway in the casing, the filter core is still including crossing the water support, the diaphragm is folding reciprocal form and centers on the periphery setting of crossing the water support, the filtration front end of diaphragm is equipped with into water clearance, the filtration rear end of diaphragm is equipped with crosses the water clearance, cross the water support be equipped with the water hole of crossing that play water passageway is linked together, be located into water passageway's water process the water clearance of intaking enters into cross the water clearance, again by cross the water clearance and flow through cross the water hole and get into play water passageway. Through the filter element group spare that this application provided, can solve among the prior art because of simply increasing the too big problem of filter element volume that filter element surface membrane area caused.

Description

Filter element assembly

Technical Field

The application relates to the technical field of household appliances, in particular to a filter element assembly.

Background

The filter element can filter polluted water to a state required by life, and certain cleanliness is achieved.

At present, the filter element capable of achieving the sterilization effect needs to be divided into uniform pore diameters, but the high-precision pore diameter enables the flow rate of the filter element to be very small, and the filter element is easy to block. To solve the flow problem caused by small pore size, the surface area of the filter element is generally increased. However, this results in an increased volume of the filter element and the filter element is prone to clogging by particulate matter in the water and cross-bottom.

SUMMERY OF THE UTILITY MODEL

The application provides a filter element group spare to solve among the prior art because of simply increasing the too big problem of filter element volume that filter element surface membrane area caused.

In order to achieve the purpose, the technical scheme is as follows: the utility model provides a filter element group spare, includes casing and filter core, the filter core sets up in the casing, the filter core includes the diaphragm and establishes the end cover at diaphragm both ends, be equipped with into water passageway and play water passageway in the casing, the filter core is still including crossing the water support, the diaphragm is folding reciprocal form and centers on cross the periphery setting of water support, the filtration front end of diaphragm is equipped with into water clearance, the filtration rear end of diaphragm is equipped with crosses the water clearance, cross the water support be equipped with go out the water hole that water passageway is linked together, be located into water passageway's water process the water clearance of intaking enters into cross the water clearance, again by cross the water clearance and flow through cross the water hole and get into play water passageway.

Further, it includes first water clearance to cross the water clearance, the diaphragm is including first limit and the second limit of arranging in turn, first limit with second limit end to end links to each other in proper order and forms folding reciprocal form, first limit with the second limit is kept away from the link of crossing the water support forms folding distal end, first limit with the second limit is close to the link of crossing the water support forms folding near-end, adjacent two folding distal end forms into the water clearance, adjacent two folding near-end forms first water clearance of crossing.

Furthermore, the water passing gap comprises a second water passing gap, and the second water passing gap is positioned between the filtering rear end of the membrane and the water passing support.

Furthermore, the end cover includes upper end cover and lower end cover, the upper end cover orientation be equipped with the boss that has the apopore on crossing the terminal surface of water support, the terminal surface of upper end cover with form the holding tank between the outer wall of boss, the diaphragm is established in the holding tank.

Furthermore, the water passing support is located in the accommodating groove, one end of the water passing support is sleeved on the outer side of the boss, the other end of the water passing support abuts against the end face of the lower end cover, and the diaphragm is clamped between the water passing support and the side wall of the end cover.

Furthermore, the water outlet channel comprises a first water outlet channel and a second water outlet channel, the first water outlet channel is arranged on the inner side of the water passing support, the second water outlet channel is arranged between the upper end cover and the shell, and the first water outlet channel and the second water outlet channel are communicated through the water passing holes.

Furthermore, a sealing ring is arranged on the end cover, a limiting part is arranged on the inner wall of the shell, and the sealing ring is clamped on the limiting part to fix the filter element in the shell; and/or the end cover is provided with a transversely protruding turbulence rib, and the filter element is fixed in the shell through the turbulence rib clamped on the inner wall of the shell.

Further, the casing includes casing and lower casing, is located be equipped with on the end cover in the casing the sealing washer is located be equipped with on the internal end cover of inferior valve the vortex muscle, spacing portion is for following the spacing boss of the radial protrusion setting of filter core, the outside of filter core with be equipped with between the inner wall of casing inhalant canal, water passes the vortex muscle with gap between the shells inner wall gets into down in the inhalant canal.

Furthermore, the upper shell is provided with a water outlet column extending towards the filter element, the lower shell is provided with a water inlet column extending towards the filter element, and the water inlet column and the water outlet column are arranged oppositely.

Furthermore, the upper shell is provided with an upper annular convex rib, the lower shell is provided with a lower annular convex rib, the upper shell and the lower shell are connected in a hot melting and sealing mode through the upper annular convex rib and the lower annular convex rib, and the metal decorative ring used for shielding the upper annular convex rib and the lower annular convex rib is sleeved on the shell.

After adopting above-mentioned technical scheme, this application has following advantage:

1. on the one hand, the diaphragm is folded and arranged around the periphery of the water passing support in a reciprocating manner, so that the water passing surface area is increased under the condition of certain volume. On the other hand, the filter front end of diaphragm sets up into water clearance, and the filter rear end of diaphragm sets up out the water clearance, and like this, it is all around arranging to advance water clearance and play water clearance to be, has increased the utilization ratio of diaphragm, can promote the holistic life-span of filter core.

2. The diaphragm is through setting up first limit and the folding reciprocal form of formation of arranging in turn and end to end in proper order, when guaranteeing that water surface area increases, this kind of folding form has also guaranteed that the diaphragm can have fine bearing capacity.

3. Be equipped with the second between the filtration rear end of crossing water support and diaphragm and cross the water clearance, the second crosses the setting in water clearance and can converge a department through the filterable water of diaphragm, then passes through in the water hole entering into the water outlet channel on the water support again, like this, can guarantee that the water after the filtration passes through the water hole smoothly. Meanwhile, the second water passing gap also prevents the problem of unsmooth water passing caused by the fact that the membrane is too tight around the water passing support.

4. Set up the boss on the upper end cover, cross the water support sleeve and having prescribed a limit to the mounted position of crossing the water support in the outside of boss, then cross water support and diaphragm setting in the mounting groove, further assurance like this the diaphragm around crossing the outside setting of water support, also with the diaphragm clamp cross quality of water add with the end cover between the lateral wall simultaneously, guaranteed the diaphragm with cross between the water installation stability between both.

5. The lower end cover is fixed in the lower shell through the arrangement of the turbulence ribs on the lower end cover, and the water diversion device has a diversion effect, can guide water in the water inlet channel to flow, and improves the diversion capacity of the lower end cover. The upper end cover passes through the sealed cooperation of the inside wall of sealing washer and last casing, separates unfiltered water and filtered water completely, prevents both mixtures, guarantees filtration quality and filtration efficiency, and simultaneously, the upper end cover passes through the inside wall laminating of sealing washer and last casing, has realized that the upper end cover is spacing in radial ascending, prevents the upper end swing of filter core.

Drawings

FIG. 1 is a schematic view of a partial fit of a water passing bracket, diaphragm and end cap according to the present application;

FIG. 2 is a block diagram of a cartridge of the present application;

FIG. 3 is a cross-sectional view of the water passing bracket, diaphragm and end cap combination of the present application;

FIG. 4 is a schematic structural view of an upper end cap according to the present application;

FIG. 5 is an internal schematic view of a filter cartridge assembly of the present application;

FIG. 6 is another internal schematic view of a filter cartridge assembly of the present application;

FIG. 7 is a schematic view of the housing and metallic decorative ring of the present application in mating relationship;

FIG. 8 illustrates the filter cartridge assembly in the installed position in use according to the present application;

1. the filter element comprises a filter element 2, a membrane 21, a first edge 22, a second edge 23, a folding far end 24, a folding near end 25, a first water passing gap 26, a second water passing gap 27, a water inlet gap 3, an end cover 31, an upper end cover 311, a boss 312, an accommodating groove 32, a lower end cover 321, a turbulence rib 4, a water passing bracket 41, a water passing hole 5, a first water outlet channel 6, a second water outlet channel 7, water inlet channel, 8, casing, 81, go up the casing, 811, play water column, 8111, the apopore, 812, go up annular protruding muscle, 82, lower casing, 821, the post of intaking, 8211, the inlet opening, 822, lower annular protruding muscle, 9, spacing boss, 10, metal decorative ring, 11, water supply connector, 12, water outlet connector, 13, tap, 14, purifier, 15, filter element group spare, 16, intercommunication pipeline, 17, the runner of intaking, 18, sealing washer.

Detailed Description

As shown in fig. 1-7, a filter element group spare, including casing 8 and filter core 1, filter core 1 sets up in the casing 8, filter core 1 includes diaphragm 2 and establishes the end cover at 2 both ends of diaphragm, be equipped with inhalant canal and exhalant canal in the casing 8, filter core 1 still includes water support 4, diaphragm 2 is folding reciprocal form around the periphery setting of crossing water support 4, the filtration front end of diaphragm 2 is equipped with the inhalant canal, the filtration rear end of diaphragm 2 is equipped with the aquatic clearance, cross water support 4 be equipped with the water hole 41 of crossing that exhalant canal is linked together, be located inhalant canal's water process inhalant canal's water clearance 27 enters into cross the aquatic clearance, again by cross the aquatic clearance and flow through water hole 41 gets into exhalant canal.

The water gap includes first water gap 25, diaphragm 2 is including first limit 21 and the second limit 22 of arranging in turn, first limit 21 with second limit 22 end to end links to each other in proper order and forms folding reciprocal form, first limit 21 with second limit 22 is kept away from water support 4's link forms folding distal end 23, first limit 21 with second limit 22 is close to water support 4's link forms folding near-end 24, adjacent two folding distal end 23 forms into water gap 27, adjacent two folding near-end 24 forms first water gap 25.

On the one hand, the diaphragm is folded and arranged around the periphery of the water passing support in a reciprocating manner, so that the water passing surface area is increased under the condition of certain volume. On the other hand, the filter front end of diaphragm sets up into water clearance, and the filter rear end of diaphragm sets up out the water clearance, and like this, it is all around arranging to advance water clearance and play water clearance to be, has increased the utilization ratio of diaphragm, can promote the holistic life-span of filter core. The diaphragm is through setting up first limit and the folding reciprocal form of formation of arranging in turn and end to end in proper order, when guaranteeing that water surface area increases, this kind of folding form has also guaranteed that the diaphragm can have fine bearing capacity.

As shown in fig. 3-5, the water passing gap includes a second water passing gap 26, and the second water passing gap 26 is located between the filtering rear end of the membrane 2 and the water passing bracket 4. The end cover comprises an upper end cover 31 and a lower end cover 32, a boss 311 with a water outlet hole is arranged on the end face, facing the water passing support 4, of the upper end cover 31, a containing groove 312 is formed between the end face of the upper end cover 31 and the outer wall of the boss 311, and the diaphragm 2 is arranged in the containing groove 312. The water passing support 4 is located in the accommodating groove 312, one end of the water passing support 4 is sleeved outside the boss 311, the other end of the water passing support 4 abuts against the end face of the lower end cover 32, and the membrane 2 is clamped between the water passing support 4 and the side wall of the end cover 3. The water outlet channel comprises a first water outlet channel 5 and a second water outlet channel 6, the first water outlet channel 5 is arranged on the inner side of the water passing support 4, the second water outlet channel 6 is arranged between the upper end cover 31 and the shell 8, and the first water outlet channel 5 is communicated with the second water outlet channel 6 through the water passing holes.

Be equipped with the second between the filtration rear end of crossing water support and diaphragm and cross the water clearance, the second crosses the setting in water clearance and can converge a department through the filterable water of diaphragm, then passes through in the water hole entering into the water outlet channel on the water support again, like this, can guarantee that the water after the filtration passes through the water hole smoothly. Meanwhile, the second water passing gap also prevents the problem of unsmooth water passing caused by the fact that the membrane is too tight around the water passing support. After water enters the water inlet channel, the water enters the membrane through the water inlet gap at the front end of the membrane filter to be filtered, the filtered water enters the first water passing gap at the rear end of the membrane filter and then flows through the second water passing gap to be collected, the filtered water enters the first water outlet channel in the support through the water holes in the support, and then flows into the second water outlet channel along the first water outlet channel to be collected, and finally the water flows out of the filter element assembly.

A sealing ring 18 is arranged on the end cover 3, a limiting part is arranged on the inner wall of the shell, and the sealing ring 18 is clamped on the limiting part to fix the filter element in the shell 8; and/or, the end cover 3 is provided with a transversely protruding turbulence rib, and the filter element 1 is fixed in the shell 8 through the turbulence rib clamped on the inner wall of the shell 8. The sealing ring and the turbulence ribs can be arranged on the same end cover, and also can be respectively arranged on the two end covers. The setting of sealing washer on the end cover guarantees that the filter core is sealed with the casing at the one end of this end cover, prevents the condition of crossing water. The arrangement of the turbulence ribs can play a role in shunting in the shell.

Casing 8 includes casing 81 and lower casing 82, is located be equipped with on the end cover in the casing 81 sealing washer 18 is located be equipped with on the end cover in casing 82 down the vortex muscle, spacing portion is for following the spacing boss 9 of the radial protrusion setting of filter core, the outside of filter core 1 with be equipped with between the 8 inner walls of casing inhalant canal 7, water passes the vortex muscle with gap between the lower shells inner wall gets into in the inhalant canal. In this embodiment, as shown in fig. 2 and 5, the end cap located in the upper shell is the upper end cap 31, and the end cap located in the lower shell is the lower end cap 32. The upper end cap 31 is provided with a sealing ring 18, and the lower end cap 32 is provided with a turbulence rib 321 which protrudes transversely. Wherein, vortex muscle 321 radially stretches out lower end cover 32 and sets up, and when vortex muscle 321 blocked on the inner wall of casing 82 down, form the water inlet channel 17 of crossing between vortex muscle 321 and the inner wall, during water entered into inhalant canal 7 through water inlet channel 17 like this, filters through filter core 1 again.

The upper shell 81 is provided with a water outlet column 811 extending towards the filter element 1, the lower shell 82 is provided with a water inlet column 821 extending towards the filter element 1, and the water inlet column 821 and the water outlet column 811 are oppositely arranged. In this embodiment, as shown in fig. 5-8, the lower end of the filter element assembly is further provided with a water inlet connector 11, the lower housing 82 is further provided with a water inlet connector mounting groove, the water inlet connector 11 is thermally fused in the water inlet connector mounting groove, the water inlet column 821 is provided with a water inlet hole 8211, and an inlet of the water inlet hole 8211 is arranged on a bottom wall of the water inlet connector mounting groove. Similarly, the upper housing 81 is further provided with a water outlet connector mounting groove, the water outlet connector 12 is connected in the water outlet connector mounting groove in a hot melting manner, the water outlet column 811 is provided with a water outlet hole 8111, and an outlet of the water outlet hole 8111 is arranged on the groove bottom wall of the water outlet connector mounting groove. The filter element assembly in this embodiment is arranged between the water outlet end of the water purifier 14 and the water inlet end of the faucet 13, and the filter element assembly is an external bacteriostatic filter element, wherein the filter element is made of bacteriostatic materials, and the shell and the water passing bracket can also be made of bacteriostatic materials. The water outlet of the water purifier 14 is connected to the water inlet 8211 through a communication pipe 16. On one hand, an external bacteriostatic filter element close to the faucet 13 is arranged between the faucet 13 and the water purifier 14, so that water flowing out of the water purifier 14 needs to be subjected to secondary filtration by the external bacteriostatic filter element and then flows into the faucet 13, and the water flowing out of the water purifier 14 is prevented from being polluted by bacteria in a communication pipeline 16 between the faucet 13 and the water purifier 14 and then directly flowing to the faucet to be drunk by a user; meanwhile, the external bacteriostatic filter element is close to the faucet 13, so that water filtered by the external bacteriostatic filter element directly flows out of the faucet 13, the water subjected to bacteriostatic treatment by the external bacteriostatic filter element is prevented from being polluted again, and the safety is better; in addition, the external bacteriostatic filter element is positioned outside the water inlet device 14, so that the external bacteriostatic filter element is convenient to disassemble and assemble and is beneficial to replacement at any time.

Go up the casing 81 and be equipped with annular protruding muscle 812 on, the casing 82 is equipped with down annular protruding muscle 822 down, go up the casing 81 with down the casing 82 passes through go up annular protruding muscle 812 with annular protruding muscle 822 hot melt sealing connection down, the cover has on the casing 8 and is used for sheltering from go up annular protruding muscle 812 with the metal decorative ring 10 of annular protruding muscle 822 down. In this embodiment, as shown in fig. 7, in order to ensure the aesthetic appearance of the housing, a metal decoration ring 10 for shielding the upper annular rib 812 and the lower annular rib 822 is sleeved on the housing, and the metal decoration ring 10 not only shields the upper annular rib 812 and the lower annular rib 822 which are sealed by hot melting, but also has strong metal texture, which is beneficial to improving the grade of the whole filter element assembly.

In addition to the preferred embodiments described above, other embodiments of the present invention are also possible, and those skilled in the art can make various changes and modifications according to the present invention without departing from the prudent scope of the present invention, which is defined by the appended claims.

Claims

1. The utility model provides a filter element group spare, includes casing and filter core, the filter core sets up in the casing, the filter core includes the diaphragm and establishes the end cover at diaphragm both ends, its characterized in that, be equipped with into water passageway and play water passageway in the casing, the filter core is still including crossing the water support, the diaphragm is folding reciprocal form and centers on the periphery setting of crossing the water support, the filtration front end of diaphragm is equipped with into water clearance, the filtration rear end of diaphragm is equipped with crosses the water clearance, cross the water support be equipped with the water hole of crossing that the play water passageway is linked together, be located the water process of passageway of intaking the water clearance of intaking gets into cross the water clearance, again by cross the water clearance and flow through the water hole gets into play water passageway.

2. The filter element assembly of claim 1, wherein said water passing gap comprises a first water passing gap, said membrane comprises a first edge and a second edge arranged alternately, said first edge and said second edge are sequentially connected end to form said folded reciprocating shape, said first edge and said second edge are distant from said water passing support at a connecting end to form a folded distal end, said first edge and said second edge are close to said water passing support at a connecting end to form a folded proximal end, two adjacent said folded distal ends form said water inlet gap, and two adjacent said folded proximal ends form said first water passing gap.

3. The filter element assembly according to claim 2, wherein said water passing gap comprises a second water passing gap between the filter back end of the membrane and the water passing bracket.

4. The filter element assembly according to claim 1, wherein the end cap comprises an upper end cap and a lower end cap, a boss with a water outlet hole is arranged on the end surface of the upper end cap facing the water passing support, a containing groove is formed between the end surface of the upper end cap and the outer wall of the boss, and the membrane is arranged in the containing groove.

5. The filter element assembly according to claim 4, wherein the water passing bracket is located in the accommodating groove, one end of the water passing bracket is sleeved outside the boss, the other end of the water passing bracket abuts against the end face of the lower end cover, and the membrane is sandwiched between the water passing bracket and the side wall of the end cover.

6. The filter element assembly according to claim 4, wherein the water outlet channels comprise a first water outlet channel and a second water outlet channel, the first water outlet channel is arranged inside the water passing bracket, the second water outlet channel is arranged between the upper end cover and the housing, and the first water outlet channel and the second water outlet channel are communicated through the water passing holes.

7. The filter element assembly according to any one of claims 1 to 6, wherein the end cap is provided with a sealing ring, the inner wall of the housing is provided with a limiting part, and the sealing ring is clamped on the limiting part to fix the filter element in the housing; and/or the end cover is provided with a transversely protruding turbulence rib, and the filter element is fixed in the shell through the turbulence rib clamped on the inner wall of the shell.

8. The filter element assembly of claim 7, wherein the housing comprises an upper housing and a lower housing, the upper housing is provided with the seal ring on an end cap, the lower housing is provided with the spoiler rib on an end cap, the limiting portion is a limiting boss arranged along a radial protrusion of the filter element, the outer side of the filter element and the inner wall of the housing are provided with the water inlet channel, and water passes through the spoiler rib and a gap between the lower housing inner wall enters the water inlet channel.

9. The filter element assembly according to claim 8, wherein the upper housing has an outlet column extending towards the filter element, the lower housing has an inlet column extending towards the filter element, and the inlet column and the outlet column are disposed opposite to each other.

10. The filter element assembly according to claim 9, wherein the upper housing is provided with an upper annular rib, the lower housing is provided with a lower annular rib, the upper housing and the lower housing are connected by hot melting and sealing the upper annular rib and the lower annular rib, and the housing is sleeved with a metal decoration ring for shielding the upper annular rib and the lower annular rib.