CN212222596U - Safe water purification system - Google Patents

Abstract

The utility model discloses a safe water purification system has solved the unsafe problem of user's drinking water, and the technical scheme who solves this problem mainly includes tap and water purifier, has the intercommunication pipeline between tap and the water purifier, still be equipped with the external antibacterial filter core that is close to tap between tap and the water purifier, external antibacterial filter core has inlet opening and apopore, apopore and tap's import intercommunication, and intercommunication pipeline and inlet opening intercommunication are passed through in the export of water purifier, are equipped with filter element group spare in the external antibacterial filter core, filter element group spare have certainly filter the front end extremely filter the direction of filtration of rear end, the inlet direction of inlet opening with filter the direction, and filter the direction with the play water direction of apopore all has rivers and turns to. The utility model discloses well water purifier flows directly flows from a tap after the secondary filtration of external antibacterial filter core, and the security is better.

Description

Safe water purification system

Technical Field

The utility model relates to a household electrical appliances technical field, especially a safe water purification system.

Background

For improving user's drinking water safety, the user generally installs domestic water purifier on the pipeline and filters water to guarantee that the water that flows from tap is clean enough, the higher super filter core that has of water purifier rate of utilization and RO reverse osmosis machine are two kinds in the current market. The ultrafiltration core can filter heavy metals, but cannot inhibit the bacterial growth on a water path inside the water inlet device; the RO reverse osmosis machine can not only filter heavy metals, but also filter partial bacteria, but also can breed bacteria on a connecting water path between the water purifier and the water faucet, thereby generating secondary pollution to purified water and ensuring the drinking water quality of a user.

SUMMERY OF THE UTILITY MODEL

The utility model aims to reach the purpose be exactly provide a safe water purification system, the water that the water purifier flows directly flows from going out the tap behind the secondary filter of external antibacterial filter core, prevents that the water that antibacterial treatment has received the pollution of bacterium in the connecting tube once more, and the security is better.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a safe water purification system comprises a water outlet faucet and a water purifier, wherein a communication pipeline is arranged between the water outlet faucet and the water purifier, an external bacteriostatic filter element close to the water outlet faucet is also arranged between the water outlet faucet and the water purifier, the external bacteriostatic filter element is provided with a water inlet and a water outlet, the water outlet is communicated with the inlet of the water outlet tap, the outlet of the water purifier is communicated with the water inlet through the communicating pipeline, the filter element assembly is arranged in the external bacteriostatic filter element, the water inlet is communicated with the filtering front end of the filter element component, the water outlet is communicated with the filtering rear end of the filter element component, the filter element component is provided with a filtering direction from the front end to the rear end, and the water inlet direction of the water inlet hole, the filtering direction and the water outlet direction of the water outlet hole are provided with water flow steering respectively.

Further, external antibacterial filter core is still located including the cover the shell in the filter core group spare outside, the filter core group spare includes the filter core body, the periphery lateral wall of filter core body with be equipped with between the shell with the inlet channel of inlet opening intercommunication, the filter core body inside be equipped with the outlet channel of apopore intercommunication, the liquid of inlet channel from the periphery lateral wall infiltration of filter core body extremely in the outlet channel.

Further, the filter element group spare is still located including the cover the lower extreme cover of filter element body lower extreme, the periphery side of lower extreme cover is equipped with the spacing boss of a plurality of circumference distributions, the boss face of spacing boss contradict in the inside wall of shell, the liquid that the inlet opening flowed in is from adjacent two flow in between the spacing boss water inlet channel.

Further, the filter element assembly is located including the cover the upper end cover of filter element body upper end, the periphery lateral wall of upper end cover with the inside wall seal fit of shell, the upper end cover is equipped with the end cover delivery port, liquid in the exhalant canal passes through the end cover delivery port flows the filter element assembly.

Furthermore, a long-strip shunting rib and an annular shunting rib which is concentric with the water outlet of the end cover are arranged at the water outlet of the end cover, the length direction of the long-strip shunting rib is the same as the radial direction of the long-strip shunting rib, and the long-strip shunting rib and the annular shunting rib are connected into a whole in a cross mode; and/or the upper surface of the upper end cover is provided with a plurality of radial drainage ribs which are distributed on the outer side of the water outlet of the end cover; and/or, the periphery side of upper end cover is equipped with annular seal groove, be equipped with the sealing washer in the annular seal groove, the upper end cover passes through the sealing washer with the sealed cooperation of the inside wall of shell, water inlet channel is located one side of sealing washer.

Further, the shell includes casing and lower casing, the inlet opening is located casing down, the inner wall of casing is equipped with and is used for supporting down the protruding muscle of support of filter element group spare, support protruding muscle contradict in the lower extreme of filter element group spare.

Furthermore, a lower boss positioned below the filter element assembly is arranged on the inner wall of the lower shell, the outlet of the water inlet hole is positioned on the boss surface of the lower boss, and the supporting convex rib protrudes upwards out of the lower boss; and/or, the interior diapire of casing down with be equipped with the reposition of redundant personnel chamber between the filter element group spare, the inlet opening passes through the reposition of redundant personnel chamber with inlet channel intercommunication, the reposition of redundant personnel intracavity is equipped with the vortex muscle of a plurality of alternately settings.

Further, the shell includes casing and lower casing, the inner wall of going up the casing is equipped with the restriction the upward boss of filter element group spare rebound, filter element group spare upper end conflict in go up the boss face of boss, the entry of apopore is located go up the boss face of boss.

Further, the shell includes casing and lower casing, the lower extreme of going up the casing is equipped with annular protruding muscle, the upper end of casing is equipped with annular protruding muscle down, go up the casing with the casing passes through down annular protruding muscle with annular protruding muscle hot melt sealing connection down, the cover is equipped with and is used for sheltering from on the shell annular protruding muscle with the metal decorative ring of annular protruding muscle down.

Furthermore, the lower end of the external bacteriostatic filter element is provided with a water inlet joint and a water inlet joint installation groove, the water inlet joint is connected in the water inlet joint installation groove in a hot melting manner, the inlet of the water inlet hole is arranged on the bottom wall of the water inlet joint installation groove, and the communication pipeline is communicated with the water inlet hole through the water inlet joint; and/or the upper end of the external bacteriostatic filter element is provided with a water outlet joint and a water outlet joint mounting groove, the water outlet joint is connected in the water outlet joint mounting groove in a hot melting manner, the outlet of the water outlet hole is formed in the bottom wall of the water outlet joint mounting groove, and the water outlet hole is communicated with the inlet of the water outlet faucet through the water outlet joint.

After the technical scheme is adopted, the utility model has the advantages of as follows:

1. on one hand, an external bacteriostatic filter element close to the water outlet faucet is arranged between the water outlet faucet and the water purifier, so that water flowing out of the water purifier needs to be secondarily filtered by the external bacteriostatic filter element and then flows into the water outlet faucet, and the water flowing out of the water purifier is prevented from being polluted by bacteria in a communication pipeline between the water outlet faucet and the water purifier and then directly flowing to the water outlet faucet to be drunk by a user; meanwhile, the external bacteriostatic filter element is close to the water outlet faucet, so that water filtered by the external bacteriostatic filter element directly flows out of the water outlet faucet, 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, external antibacterial filter core is located the outside of water purifier, and easy dismounting does benefit to and changes at any time. On the other hand, the water inlet direction and the filtering direction of the water inlet hole have water flow steering, so that the speed of water flow can be reduced, the pressure borne by the whole external bacteriostatic filter element is reduced, the water flow flowing into the water inlet hole is more dispersed, the contact area of liquid and the filter element component is increased, and the utilization rate of the filter element component is improved; similarly, the water outlet direction of the filtering direction and the water outlet hole has water flow steering, the internal space of the external bacteriostatic filter element between the filter element assembly and the water outlet hole is filled with water after filtering, so that air between the filter element assembly and the water outlet hole can be discharged, the dead angle caused by bacterial growth is prevented, and the drinking water safety is further ensured.

2. The periphery at filter core body is encircleed to inlet channel to the periphery side homoenergetic of filter core body has improved filter core body's utilization ratio with inlet channel's water contact, and outlet channel is located filter core body's inside, does benefit to the separation of water with purifying and unpurified water, guarantees the filter effect.

3. The lower end cover can ensure that water flowing into the water inlet can flow into the water outlet channel only after being completely filtered by the filter element body; the lower end cover offsets with the inside wall of shell along radial direction through spacing boss to realized the filter core body at radial ascending location, prevented that the filter core subassembly from taking place the incline and colliding with the shell even under the water impact of inlet opening department, simultaneously, the spacing boss that circumference distributes has the effect of circumference reposition of redundant personnel, does benefit to the periphery side of guide water evenly to the filter core body, thereby has improved the utilization ratio of filter core body with increase of service life.

4. The up end of upper end cap closure filter core body not only restricts the direct outflow of the water that the filter core body did not filter completely, and it is originally internal to avoid filtering the up end that the water of accomplishing to flow back to the filter core once more through the filter core body again moreover, guarantees filtration efficiency.

5. The water in the water outlet channel is guided by the strip-shaped shunting ribs to flow outwards along the radial direction, the water in the water outlet channel is guided by the annular shunting ribs to flow upwards in the circumferential direction, the shunting capacity of the upper end cover is improved, and it is ensured that filtered liquid is filled between the upper end cover and the water outlet hole so as to discharge air between the upper end cover and the water outlet hole, so that bacteria are reduced to breed on the inner wall of the shell, the strip-shaped shunting ribs and the annular shunting ribs are connected into a whole in a crossed mode, and the strength of the upper end cover at the water outlet of the end.

The water that radial drainage muscle set up promotion end cover delivery port outflow can the fast dispersion flow, prevents that rivers from too concentrating in the end cover delivery port outside and causing the partial pressure between upper end cover and the shell too big, and the security is good, and simultaneously, rivers flow more smoothly between upper end cover and shell, guarantee the filtration efficiency of external antibacterial filter core.

The upper end cover is in sealing fit with the inner side wall of the shell through a sealing ring, and the water inlet channel is located on one side of the sealing ring. Thereby the sealing washer 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 shell, has realized that the upper end cover is spacing in radial ascending, prevents the upper end swing of filter element group spare.

Drawings

The present invention will be further explained with reference to the accompanying drawings:

FIG. 1 is a schematic connection diagram of a safe water purification system of the present invention;

FIG. 2 is an exploded view of the external bacteriostatic filter element of the utility model;

FIG. 3 is a cross-sectional view of the external bacteriostatic filter element of the utility model;

FIG. 4 is a structural view of the filter element body of the present invention;

fig. 5 is a cross-sectional view of the filter element body of the present invention;

FIG. 6 is a structural diagram of the middle lower end cap of the present invention;

FIG. 7 is a schematic view of the upper end cap of the present invention;

FIG. 8 is a structural view of the lower housing of the present invention;

fig. 9 is a structural view of the upper housing of the present invention;

fig. 10 is an exploded view of the housing of the present invention.

Wherein, the numbers in the figures respectively represent 1-water tap; 2, a water purifier; 3-a communication pipeline; 4-external bacteriostatic filter element, 401-water inlet hole, 402-water outlet hole, 41-shell, 411-upper shell, upper convex table 411a, upper annular convex rib 411b, 412-lower shell, 412 a-supporting convex rib, 412 b-lower convex table, 412 c-diversion cavity, 412 d-turbulence rib, 412 e-lower annular convex rib, 42-filter element component, 421-filter element body, 422-lower end cover, 422 a-limiting convex table, 423-upper end cover, 423 a-end cover water outlet, 423 b-strip diversion rib, 423 c-annular diversion rib, 423 d-radial diversion rib, 423 e-annular sealing groove, 431-water inlet channel, 432-water outlet channel, 441-water inlet connector and 442-water outlet connector; 5-sealing ring; 6-metal decorative ring.

Detailed Description

The utility model discloses in, liquid unidirectional flow on filter element, filter element group spare whole earlier with the one end of liquid contact when the front end indicates that liquid filters the flow, correspondingly ground, filter element group spare filter back end indicates that liquid accomplishes filterable one end on filter element group spare.

As shown in fig. 1 to 10, the present invention provides a safe water purification system, which comprises a water tap 1 and a water purifier 2, a communication pipeline 3 is arranged between the water tap 1 and the water purifier 2, an external bacteriostatic filter element 4 close to the water outlet faucet 1 is also arranged between the water outlet faucet 1 and the water purifier 2, the external bacteriostatic filter element 4 is provided with a water inlet 401 and a water outlet 402, the water outlet 402 is communicated with an inlet of the water outlet faucet 1, an outlet of the water purifier 2 is communicated with the water inlet 401 through a communication pipeline 3, a filter element component 42 is arranged in the external bacteriostatic filter element 4, the water inlet 401 is communicated with the filtering front end of the filter element assembly 42, the water outlet 402 is communicated with the filtering rear end of the filter element assembly 42, the filter element assembly 42 has a filtering direction from the filtering front end to the filtering rear end, and the water inlet direction of the water inlet 401 and the filtering direction and the water outlet direction of the filtering direction and the water outlet 402 have water flow steering.

On one hand, an external bacteriostatic filter element 4 close to the water outlet faucet 1 is arranged between the water outlet faucet 1 and the water purifier 2, so that water flowing out of the water purifier 2 needs to be subjected to secondary filtration by the external bacteriostatic filter element 4 and then flows into the water outlet faucet 1, and the water flowing out of the water purifier 2 is prevented from being polluted by bacteria in a communication pipeline 3 between the water outlet faucet 1 and the water purifier 2 and then directly flows into the water outlet faucet 1 to be drunk by a user; meanwhile, the external bacteriostatic filter element 4 is close to the water outlet faucet 1, so that water filtered by the external bacteriostatic filter element 4 directly flows out of the water outlet faucet 1, the water subjected to bacteriostatic treatment by the external bacteriostatic filter element 4 is prevented from being polluted again, and the safety is better; in addition, external bacteriostatic filter core 4 is located the outside of water purifier 2, and easy dismounting does benefit to and changes at any time. On the other hand, the water inlet direction and the filtering direction of the water inlet hole 401 have water flow steering, so that the water flow speed can be reduced, the pressure borne by the whole external bacteriostatic filter element 4 is reduced, the water flow flowing into the water inlet hole 401 is more dispersed, the contact area between the liquid and the filter element assembly 42 is increased, and the utilization rate of the filter element assembly 42 is improved; similarly, the direction of filtration has rivers with the play water direction of apopore 402 and turns to, does benefit to the water after the filtration and fills the inner space of external antibacterial filter core 4 between filter element group spare 42 and apopore 402 to can discharge the air between filter element group spare 42 and the apopore 402, prevent to form the dead angle that bacterial growing, further guaranteed drinking water safety.

The external bacteriostatic filter element 4 further comprises a shell 41 sleeved outside the filter element assembly 42, the filter element assembly 42 comprises a filter element body 421, a water inlet channel 431 communicated with the water inlet hole 401 is arranged between the outer peripheral side wall of the filter element body 421 and the shell 41, a water outlet channel 432 communicated with the water outlet hole 402 is arranged inside the filter element body 421, and liquid in the water inlet channel 431 permeates into the water outlet channel 432 from the outer peripheral side wall of the filter element body 421. Inlet channel 431 encircles the periphery at filter core body 421 to the periphery side homoenergetic of filter core body 421 has improved filter core body 421 with inlet channel 431's water contact, has improved filter core body 421's utilization ratio, and outlet channel 432 is located filter core body 421's inside, does benefit to the water that will purify and unpurified separation of water, guarantees the filter effect.

For realizing the bacteriostatic effect of the external bacteriostatic filter element 4, in this embodiment, the filter element body 421 can be made of bacteriostatic components, and a bacteriostatic coating can be disposed on the filter element body 421. Of course, the bacteriostatic component and bacteriostatic coating may also be provided on the housing 41. Because the water inlet channel 431 is located between the filter element body 421 and the housing 41, the contact area between the liquid in the water inlet channel 431 and the inner wall of the housing 41 is large, and therefore, the housing 41 has bacteriostatic components and bacteriostatic coatings and can also realize the bacteriostatic function of the external bacteriostatic filter element 4.

In this embodiment, filter core body 421 is the tubular structure that link up from top to bottom, and in order to guarantee that the water that inlet opening 401 flowed in must filter the back through filter core body 421 completely and just can flow in outlet channel 432, filter core subassembly 42 is still including the lower extreme cover 422 of locating filter core body 421 lower extreme, and the periphery side of lower extreme cover 422 is equipped with the spacing boss 422a of a plurality of circumferential distributions, and the boss face of spacing boss 422a is contradicted in the inside wall of shell 41, and the liquid that inlet opening 401 flowed in flows in inlet channel 431 from between two adjacent spacing boss 422 a. Spacing boss 422a offsets along radial and shell 41's inside wall to realized filter core body 421 in radial ascending location, prevented that filter core subassembly 42 from taking place the incline and colliding with shell 41 even under the rivers impact of inlet opening 401 department, simultaneously, the spacing boss 422a that circumference distributes has the effect of circumference reposition of redundant personnel, does benefit to the periphery side that guide water evenly flows to filter core body 421, thereby has improved the utilization ratio of filter core body 421 with increase of service life.

For avoiding in filter core body 421 in the filterable water direct from the up end outflow of filter core body 421 and influence the filter effect, filter element group spare 42 is still including the upper end cover 423 of locating the filter core body 421 upper end, and the periphery lateral wall of upper end cover 423 and the inside wall sealing fit of shell 41, and upper end cover 423 is equipped with end cover delivery port 423a, and the liquid in outlet channel 432 passes through end cover delivery port 423a outflow filter element group spare 42. The upper end cover 423 seals the upper end surface of the filter element body 421, so that the water which is not completely filtered by the filter element body 421 is limited to directly flow out, the water which is completely filtered by the filter element body 421 is prevented from flowing back to the filter element body 421 again through the upper end surface of the filter element body 421, and the filtering efficiency is ensured.

For the intensity of increase upper end cover 423 in end cover delivery port 423a department in order to improve the pressure-bearing capacity, end cover delivery port 423a is equipped with rectangular reposition of redundant personnel muscle 423b and the annular reposition of redundant personnel muscle 423c of the concentric setting of end cover delivery port 423a, and the length direction and the radial direction of rectangular reposition of redundant personnel muscle 423b are the same, and rectangular reposition of redundant personnel muscle 423b is as an organic whole with annular reposition of redundant personnel muscle 423c cross connection. The long-strip flow dividing ribs 423b guide water in the water outlet channel 432 to flow outwards in the radial direction, and the annular flow dividing ribs 423c guide water in the water outlet channel 432 to flow upwards in the circumferential direction, so that the flow dividing capacity of the upper end cover 423 is improved, filtered liquid is filled between the upper end cover 423 and the water outlet hole 402 to discharge air between the upper end cover 423 and the water outlet hole 402, and therefore bacteria are reduced from breeding on the inner wall of the shell 41.

In order to promote the water flowing out of the end cover water outlet 423a to rapidly disperse and flow, the upper surface of the upper end cover 423 is provided with a plurality of radial flow guiding ribs 423d, and the radial flow guiding ribs 423d are distributed outside the end cover water outlet 423 a. The water flow is prevented from being excessively concentrated outside the end cover water outlet 423a to cause overlarge local pressure between the upper end cover 423 and the shell 41, the safety is good, meanwhile, the water flow flows more smoothly between the upper end cover 423 and the shell 41, and the filtering efficiency of the external bacteriostatic filter element 4 is ensured.

Of course, in order to prevent the clean water flowing out from the water outlet channel 432 from flowing into the water inlet channel 431 along the upper end cover 423 again, the outer peripheral side surface of the upper end cover 423 is provided with an annular sealing groove 423e, a sealing ring 5 is arranged in the annular sealing groove 423e, the upper end cover 423 is in sealing fit with the inner side wall of the housing 41 through the sealing ring 5, and the water inlet channel 431 is located on one side of the sealing ring 5. Thereby sealing washer 5 separates unfiltered water and filtered water completely, prevents both mixtures, guarantees filtration quality and filtration efficiency, and simultaneously, upper end cover 423 passes through the laminating of sealing washer 5 and the inside wall of shell 41, has realized that upper end cover 423 is spacing on radial, prevents the upper end swing of filter element group spare 42.

In order to facilitate the installation of the filter element assembly 42 in the housing 41, the housing 41 includes an upper shell 411 and a lower shell 412, the water inlet 401 is disposed on the lower shell 412, the inner wall of the lower shell 412 is provided with a supporting rib 412a for supporting the filter element assembly 42, and the supporting rib 412a abuts against the lower end of the filter element assembly 42. The support ribs 412a restrict the downward movement of the filter element assembly 42, thereby positioning the filter element assembly 42 and ensuring that the lower end cap 422 and the lower housing 412 have a sufficient space in the height direction for the rapid dispersed flow of water.

In order to ensure the strength of the lower casing 412 at the water inlet hole 401, the inner wall of the lower casing 412 is provided with a lower boss 412b positioned below the filter element assembly 42, the outlet of the water inlet hole 401 is positioned on the boss surface of the lower boss 412b, and the support rib 412a protrudes upwards from the lower boss 412 b. The lower boss 412b is prevented from abutting against the lower cap 422 to close the water inlet 401.

In this embodiment, in order to ensure that water flowing into the water inlet 401 can uniformly flow to the outer peripheral side of the filter element body 421, a diversion cavity 412c is provided between the inner bottom wall of the lower housing 412 and the filter element assembly 42, the water inlet 401 is communicated with the water inlet channel 431 through the diversion cavity 412c, and a plurality of cross-arranged turbulence ribs 412d are provided in the diversion cavity 412 c. The vortex muscle 412d prevents that water from flowing to the single direction, and guide water to radially disperse to flow promptly, and simultaneously, vortex muscle 412d also can regard as the strengthening rib of casing 412 down to increased the intensity of casing 412 bottom down, simultaneously, vortex muscle 412 d's setting also does benefit to and forms the rivers between the direction of intaking and the filtering direction and turn to.

Similarly, the inner wall of the upper housing 411 is provided with an upper boss 411a for limiting the upward movement of the filter element assembly 42, the upper end of the filter element assembly 42 abuts against the boss surface of the upper boss 411a, and the inlet of the water outlet 402 is provided on the boss surface of the upper boss 411 a. Thereby go up boss 411a and not only increased the intensity of last casing 411 at apopore 402 department, restrict the upward movement of filter element group spare 42 moreover, prevent filter element group spare 42 drunkenness from about in the casing, installation stability is higher. Meanwhile, in order to prevent the filter element assembly 42 from abutting against the convex surface of the upper convex platform 411a to block the water outlet 402, in this embodiment, the radial drainage ribs 423d radially extend into the lower portion of the upper convex platform 411a, so that water flowing out of the end cover water outlet 423a flows into the water outlet 402 through a space between two adjacent radial drainage ribs 423 d.

In order to realize reliable connection between the upper shell 411 and the lower shell 412, the lower end of the upper shell 411 is provided with an upper annular convex rib 411b, the upper end of the lower shell 412 is provided with a lower annular convex rib 412e, the upper shell 411 and the lower shell 412 are in hot-melt sealing connection through the upper annular convex rib 411b and the lower annular convex rib 412e, and water in the water inlet channel 431 is prevented from flowing out from an installation gap between the upper shell 411 and the lower shell 412. Meanwhile, in order to ensure the beauty of the housing 41, the metal decoration ring 6 for shielding the upper annular convex rib 411b and the lower annular convex rib 412e is sleeved on the housing 41, the metal decoration ring 6 not only shields the upper annular convex rib 411b and the lower annular convex rib 412e which are sealed by hot melting, but also has strong metal texture, and is beneficial to improving the grade of the whole external bacteriostatic filter element 4.

For making things convenient for external bacteriostatic filter core 4 to be connected with intercommunication pipeline 3, the lower extreme of external bacteriostatic filter core 4 is equipped with water supply connector 441 and water supply connector mounting groove, and water supply connector 441 hot melt is connected in the water supply connector mounting groove, and the tank bottom wall of water supply connector mounting groove is located to the entry of inlet opening 401, and intercommunication pipeline 3 communicates with inlet opening 401 through water supply connector 441. The water inlet joint 441 is arranged to be conveniently matched with the outlet caliber of the water purifier 2, and prevent the communicating pipe 3 from being directly matched with the lower shell 412 and being incapable of sealing.

Similarly, in order to realize that external bacteriostatic filter element 4 can be matched with the inlet aperture of faucet 1 to realize the intercommunication, the upper end of external bacteriostatic filter element 4 is equipped with water connectors 442 and a water connector mounting groove, and water connectors 442 hot-melt connects in the water connector mounting groove, and the tank bottom wall of water connector mounting groove is located in the export of apopore 402, and apopore 402 passes through water connectors 442 and faucet 1's import intercommunication.

In this embodiment, the filter front end of the filter element assembly 42 is the peripheral side of the filter element body 421, and the filter rear end of the filter element assembly 42 is the inner wall of the water outlet passage 432.

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 spirit of the present invention, which should fall within the scope of the present invention defined by the appended claims.

Claims (10)

1. A safe water purification system comprises a water outlet faucet and a water purifier, wherein a communication pipeline is arranged between the water outlet faucet and the water purifier, it is characterized in that an external bacteriostatic filter element close to the water outlet faucet is arranged between the water outlet faucet and the water purifier, the external bacteriostatic filter element is provided with a water inlet and a water outlet, the water outlet is communicated with the inlet of the water outlet tap, the outlet of the water purifier is communicated with the water inlet through the communicating pipeline, the filter element assembly is arranged in the external bacteriostatic filter element, the water inlet is communicated with the filtering front end of the filter element component, the water outlet is communicated with the filtering rear end of the filter element component, the filter element component is provided with a filtering direction from the front end to the rear end, and the water inlet direction of the water inlet hole, the filtering direction and the water outlet direction of the water outlet hole are provided with water flow steering respectively.

2. The safe water purification system according to claim 1, wherein the external bacteriostatic filter element further comprises a housing sleeved outside the filter element assembly, the filter element assembly comprises a filter element body, a water inlet channel communicated with the water inlet hole is arranged between the outer peripheral side wall of the filter element body and the housing, a water outlet channel communicated with the water outlet hole is arranged inside the filter element body, and liquid in the water inlet channel permeates into the water outlet channel from the outer peripheral side wall of the filter element body.

3. The safe water purification system of claim 2, wherein the filter element assembly further comprises a lower end cover sleeved on the lower end of the filter element body, the peripheral side surface of the lower end cover is provided with a plurality of circumferentially distributed limiting bosses, the boss surfaces of the limiting bosses abut against the inner side wall of the housing, and liquid flowing into the water inlet hole flows into the water inlet channel from between two adjacent limiting bosses.

4. The safe water purification system of claim 2, wherein the filter element assembly further comprises an upper end cover sleeved on the upper end of the filter element body, the peripheral side wall of the upper end cover is in sealing fit with the inner side wall of the housing, the upper end cover is provided with an end cover water outlet, and liquid in the water outlet channel flows out of the filter element assembly through the end cover water outlet.

5. A safe water purification system as claimed in claim 4, wherein the end cap water outlet is provided with an elongated diversion rib and an annular diversion rib concentrically arranged with the end cap water outlet, the elongated diversion rib has the same length direction as the radial direction, and the elongated diversion rib and the annular diversion rib are connected into a whole in a cross manner; and/or the upper surface of the upper end cover is provided with a plurality of radial drainage ribs which are distributed on the outer side of the water outlet of the end cover; and/or, the periphery side of upper end cover is equipped with annular seal groove, be equipped with the sealing washer in the annular seal groove, the upper end cover passes through the sealing washer with the sealed cooperation of the inside wall of shell, water inlet channel is located one side of sealing washer.

6. A safe water purification system as claimed in claim 2, wherein the housing comprises an upper housing and a lower housing, the water inlet is provided in the lower housing, and the inner wall of the lower housing is provided with a support rib for supporting the filter element assembly, the support rib abutting against the lower end of the filter element assembly.

7. A safe water purification system as claimed in claim 6, wherein the inner wall of the lower housing is provided with a lower boss below the filter element assembly, the outlet of the water inlet hole is located on the boss surface of the lower boss, and the support rib protrudes upward from the lower boss; and/or, the interior diapire of casing down with be equipped with the reposition of redundant personnel chamber between the filter element group spare, the inlet opening passes through the reposition of redundant personnel chamber with inlet channel intercommunication, the reposition of redundant personnel intracavity is equipped with the vortex muscle of a plurality of alternately settings.

8. The safe water purification system of claim 2, wherein the housing comprises an upper housing and a lower housing, the inner wall of the upper housing is provided with an upper boss for limiting the upward movement of the filter element assembly, the upper end of the filter element assembly abuts against the boss surface of the upper boss, and the inlet of the water outlet is arranged on the boss surface of the upper boss.

9. The safe water purification system of claim 2, wherein the outer shell comprises an upper shell and a lower shell, an upper annular rib is arranged at the lower end of the upper shell, a lower annular rib is arranged at the upper end of the lower shell, the upper shell and the lower shell are in hot-melt sealing connection through the upper annular rib and the lower annular rib, and a metal decoration ring for shielding the upper annular rib and the lower annular rib is sleeved on the outer shell.

10. The safe water purification system according to any one of claims 1 to 9, wherein the lower end of the external bacteriostatic filter element is provided with a water inlet joint and a water inlet joint installation groove, the water inlet joint is connected in the water inlet joint installation groove in a hot melting manner, the inlet of the water inlet hole is arranged on the bottom wall of the water inlet joint installation groove, and the communication pipeline is communicated with the water inlet hole through the water inlet joint; and/or the upper end of the external bacteriostatic filter element is provided with a water outlet joint and a water outlet joint mounting groove, the water outlet joint is connected in the water outlet joint mounting groove in a hot melting manner, the outlet of the water outlet hole is formed in the bottom wall of the water outlet joint mounting groove, and the water outlet hole is communicated with the inlet of the water outlet faucet through the water outlet joint.

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