CN212881375U

CN212881375U - Water purifier for faucet

Info

Publication number: CN212881375U
Application number: CN202021552379.4U
Authority: CN
Inventors: 张伟钦
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-30
Filing date: 2020-07-30
Publication date: 2021-04-06
Anticipated expiration: 2030-07-30

Abstract

The utility model discloses a tap water purifier, which comprises a filter element, a valve core, a change-over switch and a shell, wherein the shell comprises a vertical part and a horizontal part, the vertical part, the horizontal part and the valve core are all integrated pieces, the vertical part covers the filter element, and the horizontal part is provided with the valve core and the change-over switch; the left side of the transverse part is provided with a first vertical hole and a first upward extending part, the lower end of the filter element is inserted into the first vertical hole and is in sealing connection with the purified water outlet area, and a first sealing structure is arranged between the first upward extending part and the vertical part; horizontal part's right side is equipped with vertical hole of second and the upwards extension of second, and horizontal part is equipped with the case mounting hole of horizontal setting, and the case mounting hole is located first vertical hole right side, and the vertical hole of second is located case mounting hole upside, and the vertical hole lower extreme of second is handed over and is linked together with the case mounting hole, and the case cup joints with the case mounting hole is rotatable, and the advantage is: can avoid leaking betterly, structural stability is good simultaneously.

Description

Water purifier for faucet

Technical Field

The utility model relates to a water purifier technical field specifically says a tap water purifier.

Background

The tap water purifier is directly connected with a tap and has the advantages of small volume and convenient use. The tap water purifier generally has two water outlets, one is the raw water outlet that goes out raw water, and is not through filtering promptly, and the other is the water purification mouth that goes out the clean water, and is through the filter core filtration promptly, therefore, the tap water purifier can be equipped with change over switch, realizes the switching of raw water, clean water. Since the faucet water purifier is frequently used after being installed and has certain water pressure inside during work, water leakage is avoided, and the faucet water purifier is installed at a faucet, so that the structural stability of the faucet water purifier is of great significance for long-term use of the faucet water purifier.

Therefore, the applicant has conducted intensive research to find out a technical scheme with simple and compact structure, stability, reliability and low cost to solve the above-mentioned complicated technical problems, and needs to meet engineering requirements and be capable of being used in engineering, rather than only staying at a theoretical research level.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: overcome above prior art's defect, provide a tap water purifier, can avoid leaking betterly, structural stability is good simultaneously.

The utility model adopts the technical proposal that: a faucet water purifier comprises a body and a filter element, wherein the body comprises a valve core, a change-over switch and a shell, the shell is in an L-shaped structure, the L-shaped structure comprises a vertical part and a horizontal part, the vertical part, the horizontal part and the valve core are all integrated pieces, the vertical part covers the filter element, and the horizontal part is provided with the valve core and the change-over switch; the left side of the transverse part is provided with a first vertical hole and a first upward extending part, the lower end of the first vertical hole is a purified water outlet area, the lower side surface of the purified water outlet area is a purified water outlet hole, the first upward extending part is connected with the vertical part, the lower end of the filter element is inserted into the first vertical hole and is in sealing connection with the purified water outlet area, and a first sealing structure is arranged between the first upward extending part and the vertical part; the right side of the transverse part is provided with a second vertical hole and a second upward extending part, the transverse part is provided with a transversely arranged valve core mounting hole, the valve core mounting hole is positioned on the right side of the first vertical hole, the second vertical hole is positioned on the upper side of the valve core mounting hole, the lower end of the second vertical hole is intersected and communicated with the valve core mounting hole, the valve core is rotatably sleeved with the valve core mounting hole, the lower side of the valve core mounting hole is provided with a raw water outlet hole, and the second upward extending part is used for connecting a tap water interface to supply raw water; the valve core has two positions of water purification and raw water, and in the water purification position, first vertical hole and second vertical hole water intercommunication, in the raw water position, first vertical hole and the horizontal disconnection of second vertical hole, raw water apopore and second vertical hole water intercommunication.

Preferably, a second sealing structure is arranged between the part of the valve core, which is positioned on the left side of the second vertical hole, and the valve core mounting hole, a third sealing structure is arranged between the part of the valve core, which is positioned on the right side of the second vertical hole, and the valve core mounting hole, the valve core is provided with a first water through hole which is transversely arranged, the circumferential part of the valve core, which is positioned below the second vertical hole, comprises two parts, the first part is a water through groove which is circumferentially arranged, the first water through hole is communicated with the water through groove, the second part is provided with a first sealing gasket, the first sealing gasket is positioned on one side of the raw water outlet hole, and the first sealing gasket is used for blocking/; first vertical hole right side wall is equipped with the second limbers hole, but this second limbers hole and case left end intercommunication are connected, and when in water purification position, first limbers hole and second limbers hole are along horizontal intercommunication, and the raw water apopore is plugged up to first sealed pad, and when in raw water position, first limbers hole and second limbers hole stagger along circumference so that both do not communicate, and the raw water apopore is opened to first sealed pad.

Preferably, the left end of the valve core is provided with a second sealing gasket, and the second sealing gasket is used for blocking/opening the second water through hole through the rotation of the valve core.

Preferably, the valve core is provided with a plurality of annular bulges in sequence along the transverse direction, the annular bulges are positioned at the left side and the right side of the water through groove, and the rotatable sleeving of the valve core and the valve core mounting hole means that the annular bulges are rotatably sleeved with the valve core mounting hole.

Preferably, a first seal ring is provided in a first annular groove between the annular projections on the left side of the water passage tank, and a second seal ring is provided in a second annular groove between the annular projections on the right side of the water passage tank.

Preferably, the right end of the transverse part is provided with an opening, the opening is provided with a valve core cover, the right end of the valve core penetrates through the valve core cover and then is exposed, and the valve core cover is provided with an arc-shaped positioning groove for switching and positioning two positions; the change-over switch is connected with the right end of the valve core, and the change-over switch is provided with a transverse positioning bulge matched with the arc-shaped positioning groove for use.

Preferably, the change-over switch comprises a connecting seat and a switch cover, the connecting seat is provided with a polygonal connecting hole, the polygonal connecting hole is in sleeve fit with the right end of the valve core and is fixed by a fastener, the polygonal connecting hole is matched with the polygonal circumferential surface of the right end of the valve core to form circumferential limit, and the connecting seat is clamped with the switch cover.

Preferably, the connecting seat circumference is equipped with a plurality of joint pieces, and the joint piece is equipped with the joint interface, and the circumference of switch lid is equipped with a plurality of pothooks, and each pothook corresponds one-to-one with each joint piece and with the joint interface joint, each pothook is located each joint piece outside.

Preferably, the inlet of the second vertical hole is provided with a filter screen.

Preferably, the first upward extending portion is sleeved with the vertical portion in an inward-outward mode, a gasket is arranged between the first upward extending portion and the vertical portion, a clamping groove is formed in the periphery of the first upward extending portion, a positioning groove is formed in the clamping groove, an arc-shaped protrusion in rotary clamping connection with the clamping groove is formed in the periphery of the vertical portion, and after the first upward extending portion is rotatably clamped with the vertical portion in the inward-outward mode, the gasket is pressed between the first upward extending portion and the vertical portion through the vertical portion.

After the technical scheme more than adopting, compared with the prior art, the utility model has the following advantage: the utility model discloses an adopt the whole piece, and adjust and optimize the structure, consequently can avoid leaking betterly, structural stability is good simultaneously.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is one of the schematic perspective views of fig. 1 with a vertical portion removed.

Fig. 3 is a second perspective view of fig. 1 with the vertical portion removed.

Fig. 4 is a perspective view of fig. 1 with the switch cover removed.

Fig. 5 is a perspective view of fig. 4 with the connecting socket removed.

Fig. 6 is a schematic perspective view of fig. 5 with the cartridge cover removed.

Fig. 7 is a perspective view of fig. 1 with a transverse portion removed.

Fig. 8 is a perspective view of fig. 1 with vertical and lateral portions removed.

Fig. 9 is one of perspective views of a transverse portion.

Fig. 10 is a second perspective view of the transverse portion.

Fig. 11 is a third perspective view of the transverse portion.

Fig. 12 is a perspective view of a vertical portion.

The filter element comprises a filter element core body 1, a filter element seat 2, a filter element seat 3, a valve core 4, a vertical part 5, a horizontal part 6, a first vertical hole 7, a first upward extending part 8, a purified water outlet area 9, a purified water outlet hole 10, a second vertical hole 11, a second upward extending part 12, a valve core mounting hole 13, a raw water outlet hole 14, a first water through hole 15, a water through groove 16, a first sealing gasket 17, a second water through hole 18, a second sealing gasket 19, a first annular bulge 20, a second annular bulge 21, a third annular bulge 22, a fourth annular bulge 23, a fifth annular bulge 24, a sixth annular bulge 25, a first annular groove 26, a second annular groove 27, an opening 28, a valve core cover 29, an arc-shaped positioning groove 30, a connecting seat 31, a switch cover 32, a fastening piece 33, a clamping piece 34, a first annular groove 33, a second annular groove, a second, The filter screen comprises a clamping interface 35, a filter screen 36, a gasket 37, a clamping groove 38, a positioning groove 39, a guide inclined plane 40, a third annular groove 41, a fourth annular groove 42, an annular surface 43 and an arc-shaped bulge.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purposes of limitation.

As shown in fig. 1, the utility model discloses a faucet water purifier, its basic structure is: the filter element comprises a body and a filter element, wherein the body comprises a valve core 3, a change-over switch and a shell, the shell is of an L-shaped structure, the L-shaped structure comprises a vertical part 4 and a horizontal part 5, the vertical part 4, the horizontal part 5 and the valve core 3 are all integrated pieces obtained by integral forming, the filter element is covered by the vertical part 4, and the valve core 3 and the change-over switch are installed by the horizontal part 5, and can be understood by referring to figures 2, 7 and 8. More specific configurations are explained below.

In this example, the filter element comprises a filter element core body 1 and a filter element seat 2, and the filter element core body 1 and the filter element seat 2 are connected up and down. The whole filter core as the utility model discloses a removable whole subassembly of tap water purifier.

As shown in fig. 1, 2, 9 and 10, a first vertical hole 6 and a first upward extending portion 7 are provided on the left side of the horizontal portion 5, the lower end of the first vertical hole 6 is a purified water outlet region 8, the lower side surface of the purified water outlet region 8 is a purified water outlet hole 9, the first upward extending portion 7 is connected with the vertical portion 4, the lower end of the filter element is inserted into the first vertical hole 6, and the filter element seat 2 is hermetically connected with the purified water outlet region 8, so as to separate the purified water outlet hole 9 from the raw water, so that the water filtered by the filter element core body 1 passes through the filter element seat 2 and then enters the purified water outlet hole 9, thereby realizing purified water outlet, the sealed connection means that the lower end of the filter element is provided with a fourth annular groove 41, a sealing ring is provided in the fourth annular groove 41, the raw water is hermetically connected by the sealing ring, and in order to surround the filter element core body 1 without leakage, a first sealing, the first sealing structure mainly adopts a sealing ring, for example, a third annular groove 40 is arranged on the periphery of the first upward extending part 7, and the sealing ring is arranged in the third annular groove 40; a second vertical hole 10 and a second upward extending part 11 are arranged on the right side of the transverse part 5, a transversely arranged valve core mounting hole 12 is arranged on the transverse part 5, the valve core mounting hole 12 is positioned on the right side of the first vertical hole 6, the second vertical hole 10 is positioned on the upper side of the valve core mounting hole 12, the lower end of the second vertical hole 10 is intersected with and communicated with the valve core mounting hole 12, the valve core 3 is rotatably sleeved with the valve core mounting hole 12, a raw water outlet hole 13 is arranged on the lower side of the valve core mounting hole 12, and the second upward extending part 11 is used for connecting a tap water interface to supply raw water; the valve core 3 has two positions of water purification and raw water, and in the water purification position, the first vertical hole 6 leads to water with the second vertical hole 10 and communicates, and in the raw water position, the first vertical hole 6 transversely breaks off with the second vertical hole 10, and the raw water apopore 13 leads to water with the second vertical hole 10 and communicates. The water flow passage limited by the structure is short, flow of water flow is facilitated, the using effect is good, overall size control is facilitated, and the size can be small.

In this example, the vertical portion 4, the horizontal portion 5 and the valve core 3 are all integrally formed as a single piece, which means: the plastic part obtained by injection molding and integral forming is adopted, so that a complex structure can be formed in one step, the production efficiency is improved, and the production cost is reduced.

A second sealing structure is arranged between the part of the valve core 3, which is positioned on the left side of the second vertical hole 10, and the valve core mounting hole 12, a third sealing structure is arranged between the part of the valve core 3, which is positioned on the right side of the second vertical hole 10, and the valve core mounting hole 12, and the second sealing structure and the third sealing structure also adopt sealing ring designs, and are described in detail in the following description of annular protrusions. The valve core 3 is provided with a first water through hole 14 which is transversely arranged, the circumferential part of the valve core 3 below the second vertical hole 10 comprises two parts, the first part is a water through groove 15 which is circumferentially arranged, the water through groove 15 is a circumferential groove, in order to increase the strength of the part, two reinforcing plates are arranged, a blind hole communicated with the water through groove 15 is formed between the reinforcing plates, the water inlet end of the first water through hole 14 is positioned on the side wall of the blind hole, the first water through hole 14 is communicated with the water through groove 15, the second part is provided with a first sealing gasket 16, the first sealing gasket 16 is positioned on one side of the raw water outlet hole 13, the first sealing gasket 16 is used for blocking/opening the raw water outlet hole 13 through the rotation of the valve core 3, in order to install the first sealing gasket 16, the valve core 3 is provided with an installation hole, and the first sealing gasket 16 is plugged; the right side wall of the first vertical hole 6 is provided with a second water through hole 17, the second water through hole 17 can be communicated with the left end of the valve core 3, when the water purification position is carried out, the first water through hole 14 is communicated with the second water through hole 17 along the transverse direction, the first sealing gasket 16 blocks the raw water outlet hole 13, when the raw water position is carried out, the first water through hole 14 and the second water through hole 17 are staggered along the circumferential direction so that the first water through hole and the second water through hole are not communicated, and the first sealing gasket 16 opens the raw water outlet hole 13. Therefore, the structure is compact, and the performance is stable and reliable.

The left end of the valve core 3 is provided with a second sealing gasket 18, and the second sealing gasket 18 is used for enabling the second sealing gasket 18 to block/open the second water through hole 17 through the rotation of the valve core 3. The left end of the valve core 3 is provided with other holes which are mainly fabrication holes designed for injection molding, and the second sealing gasket 18 also utilizes one fabrication hole as a mounting hole thereof. The second sealing gasket 18 is arranged at a right angle to the outlet end of the first water passage hole 14.

The valve core 3 is provided with a plurality of annular bulges in sequence along the transverse direction, the annular bulges are positioned at the left side and the right side of the water trough 15, and the rotatable sleeving of the valve core 3 and the valve core mounting hole 12 means that the annular bulges are rotatably sleeved with the valve core mounting hole 12. The structure enables the valve core 3 to have smaller rotation resistance and is beneficial to reducing the weight of the valve core 3.

The first annular groove 25 between the annular projections on the left side of the water passage tank 15 is provided with a first seal ring, and the second annular groove 26 between the annular projections on the right side of the water passage tank 15 is provided with a second seal ring.

In this example, the total number of the annular protrusions is seven from left to right, the annular groove between the first annular protrusion 19 and the second annular protrusion 20 is used as a first annular groove 25, the water passing groove 15 is arranged between the third annular protrusion 21 and the fourth annular protrusion 22, two fifth annular protrusions 23 with smaller thickness are arranged between the fourth annular protrusion 22 and the sixth annular protrusion 24, the annular groove between the fifth annular protrusion 23 and the fourth annular protrusion 22 on the left side and the annular groove between the fifth annular protrusion 23 and the sixth annular protrusion 24 on the right side are respectively used as second annular grooves 26, that is, two second annular grooves 26 are arranged, so that better sealing is formed, and the risk of leakage from the change-over switch is reduced.

The right end of the transverse part 5 is provided with an opening 27, the opening 27 is provided with a valve core cover 28, the right end of the valve core 3 passes through the valve core cover 28 and then is exposed, and the valve core cover 28 is provided with an arc-shaped positioning groove 29 for providing two position switching positioning; the change-over switch is connected with the right end of the valve core 3 and is provided with a transverse positioning bulge matched with the arc-shaped positioning groove 29. The structure has better operation hand feeling, simple structure and stable and reliable positioning performance.

The change-over switch comprises a connecting seat 30 and a switch cover 31, the connecting seat 30 is provided with a polygonal connecting hole, the polygonal connecting hole is in sleeve joint fit with the right end of the valve core 3 and is fixed with the valve core 3 by a fastener 32, the polygonal connecting hole is matched with the polygonal circumferential surface of the right end of the valve core 3 to form circumferential limit, and the connecting seat 30 is clamped with the switch cover 31. In this way, manufacturing and assembly is facilitated.

The connecting seat 30 is circumferentially provided with a plurality of clamping pieces 33, the clamping pieces 33 are provided with clamping interfaces 34, the switch cover 31 is circumferentially provided with a plurality of clamping hooks, each clamping hook corresponds to each clamping piece 33 one by one and is clamped with the clamping interface 34, and each clamping hook is positioned on the outer side of each clamping piece 33. Thus, the connection between the connection base 30 and the switch cover 31 is stable and reliable, even if the switch cover 31 is made larger, the circumferential support of the connection base 30 to the switch cover 31 is also firmer and more stable, and when the connection base is operated by hand, the touch feeling is better, so that the user can feel stable and solid.

The inlet of the second vertical hole 10 is provided with a filter screen 35, the filter screen 35 is obtained together when the transverse part 5 is integrally injection molded, no filter fittings are required to be additionally arranged, and the filter screen 35 can filter coarse impurities.

The first upward extending part 7 is sleeved in and out of the vertical part 4, a gasket 36 is arranged between the first upward extending part 7 and the vertical part 4, the transverse part 5 is provided with an annular surface 42 for mounting the gasket 36 at the beginning of the first upward extending part 7, the periphery of the first upward extending part 7 is provided with a clamping groove 37, the clamping groove 37 is provided with a positioning groove 38, the periphery of the vertical part 4 is provided with an arc-shaped protrusion 43 which is rotatably clamped with the clamping groove 37, and after the first upward extending part 7 is rotatably clamped in and out of the vertical part 4, the gasket 36 is pressed between the first upward extending part 7 and the vertical part 4 by the vertical part 4, so that the vertical part 4 and the first upward extending part 7 are stably and reliably connected. The washer 36 may also function as a decorative ring.

For facilitating the rotational engagement of the first upwardly extending part 7 with the vertical part 4 in and out, the engagement groove 37 is provided with a guiding bevel 39.

The working principle of the utility model can refer to the following: connect second upwards extension 11 and running water interface, open the running water, the running water gets into case 3 department through second vertical hole 10, water trough 15 fills with water, when the case changes the water purification position, water trough 15, first limbers 14, second limbers 17 communicate in proper order, second limbers 17 is opened to second sealed pad 18, raw water apopore 13 is stopped up to first sealed pad 16, when the case changes the raw water position, first limbers 14 stagger along circumference with second limbers 17 so that both do not communicate, second limbers 17 is stopped up to second sealed pad 18, raw water apopore 13 is opened to first sealed pad 16.

The utility model discloses an ingenious design, simple structure is compact, reliable and stable, with low costs, through inferior usefulness the whole, and adjusts and optimizes the structure, consequently can avoid leaking betterly, and structural stability is good simultaneously.

The present invention has been described in an illustrative manner, and is not to be construed as limited by the claims. The present invention is not limited to the above embodiments, and the specific structure thereof allows for changes, all the changes made within the protection scope of the independent claims of the present invention are within the protection scope of the present invention.

Claims

1. The utility model provides a tap water purifier, includes body and filter core, and the body includes case, change over switch and casing, its characterized in that: the shell is of an L-shaped structure, the L-shaped structure comprises a vertical part and a transverse part, the vertical part, the transverse part and the valve core are all integrated pieces which are integrally formed, the vertical part covers the filter element, and the transverse part is provided with the valve core and the change-over switch; the left side of the transverse part is provided with a first vertical hole and a first upward extending part, the lower end of the first vertical hole is a purified water outlet area, the lower side surface of the purified water outlet area is a purified water outlet hole, the first upward extending part is connected with the vertical part, the lower end of the filter element is inserted into the first vertical hole and is in sealing connection with the purified water outlet area, and a first sealing structure is arranged between the first upward extending part and the vertical part; the right side of the transverse part is provided with a second vertical hole and a second upward extending part, the transverse part is provided with a transversely arranged valve core mounting hole, the valve core mounting hole is positioned on the right side of the first vertical hole, the second vertical hole is positioned on the upper side of the valve core mounting hole, the lower end of the second vertical hole is intersected and communicated with the valve core mounting hole, the valve core is rotatably sleeved with the valve core mounting hole, the lower side of the valve core mounting hole is provided with a raw water outlet hole, and the second upward extending part is used for connecting a tap water interface to supply raw water; the valve core has two positions of water purification and raw water, and in the water purification position, first vertical hole and second vertical hole water intercommunication, in the raw water position, first vertical hole and the horizontal disconnection of second vertical hole, raw water apopore and second vertical hole water intercommunication.

2. The faucet water purifier according to claim 1, wherein: a second sealing structure is arranged between the part of the valve core, which is positioned on the left side of the second vertical hole, and the valve core mounting hole, a third sealing structure is arranged between the part of the valve core, which is positioned on the right side of the second vertical hole, and the valve core mounting hole, the valve core is provided with a first water through hole which is transversely arranged, the circumferential part of the valve core, which is positioned below the second vertical hole, comprises two parts, the first part is a water through groove which is circumferentially arranged, the first water through hole is communicated with the water through groove, the second part is provided with a first sealing gasket, the first sealing gasket is positioned on one side of the raw water outlet hole, and the first sealing gasket is used for plugging; first vertical hole right side wall is equipped with the second limbers hole, but this second limbers hole and case left end intercommunication are connected, and when in water purification position, first limbers hole and second limbers hole are along horizontal intercommunication, and the raw water apopore is plugged up to first sealed pad, and when in raw water position, first limbers hole and second limbers hole stagger along circumference so that both do not communicate, and the raw water apopore is opened to first sealed pad.

3. The faucet water purifier according to claim 2, wherein: the left end of the valve core is provided with a second sealing gasket, and the second sealing gasket is used for enabling the second sealing gasket to plug/open the second water through hole through the rotation of the valve core.

4. The faucet water purifier according to claim 2, wherein: the valve core is provided with a plurality of annular bulges along the transverse direction in sequence, the annular bulges are positioned on the left side and the right side of the water trough, and the rotatable sleeving of the valve core and the valve core mounting hole means that the annular bulges are rotatably sleeved with the valve core mounting hole.

5. The faucet water purifier according to claim 4, wherein: a first annular groove between the annular bulges on the left side of the water passing groove is provided with a first sealing ring, and a second annular groove between the annular bulges on the right side of the water passing groove is provided with a second sealing ring.

6. The faucet water purifier according to claim 1, wherein: the right end of the transverse part is provided with an opening, the opening is provided with a valve core cover, the right end of the valve core penetrates through the valve core cover and then is exposed, and the valve core cover is provided with an arc-shaped positioning groove for switching and positioning two positions; the change-over switch is connected with the right end of the valve core, and the change-over switch is provided with a transverse positioning bulge matched with the arc-shaped positioning groove for use.

7. The faucet water purifier according to claim 6, wherein: the change-over switch comprises a connecting seat and a switch cover, the connecting seat is provided with a polygonal connecting hole, the polygonal connecting hole is in sleeve joint fit with the right end of the valve core and is fixed with the valve core by a fastener, the polygonal connecting hole is matched with the polygonal circumferential surface of the right end of the valve core to form circumferential limit, and the connecting seat is clamped with the switch cover.

8. The faucet water purifier according to claim 7, wherein: the connecting seat circumference is equipped with a plurality of joint pieces, and the joint piece is equipped with the joint interface, and the circumference of switch lid is equipped with a plurality of pothooks, each pothook and each joint piece one-to-one and with the joint interface joint, each pothook is located each joint piece outside.

9. The faucet water purifier according to claim 1, wherein: and a filter screen is arranged at the inlet of the second vertical hole.

10. The faucet water purifier according to claim 1, wherein: the first upward extending portion is sleeved with the vertical portion in an inward and outward mode, a gasket is arranged between the first upward extending portion and the vertical portion, a clamping groove is formed in the periphery of the first upward extending portion, a positioning groove is formed in the clamping groove, an arc-shaped protrusion in rotary clamping connection with the clamping groove is formed in the inner periphery of the vertical portion, and after the first upward extending portion is rotatably clamped with the vertical portion in the inward and outward mode, the gasket is pressed between the first upward extending portion and the vertical portion through the vertical portion.