CN219673295U - Filtering faucet - Google Patents

Abstract

The utility model provides a filtering faucet, and belongs to the field of valves. It has solved the inconvenient problem of current tap use. The filtering tap comprises a tee joint, wherein the tee joint comprises a straight-through part and a pipe part formed on the side part of the straight-through part, one side of the tee joint is provided with a water purifying tank, the water purifying tank comprises a tank body and a tank cover, the tank body is fixed and communicated with the pipe part, a baffle wall is formed in the tee joint, a guide hole is formed in the baffle wall, and an inner cavity of the pipe part is communicated with the rear end of the straight-through part through the guide hole; the tank body is horizontally provided with an L-shaped water guide pipe and a cylindrical filter screen, the rear end of the water guide pipe extends into the guide hole and forms a seal between the guide hole and the guide hole, two ends of the filter screen are respectively pressed on the front end of the water guide pipe and the tank cover, the tank cover seals the front end opening of the filter screen, and the front end opening of the water guide pipe is opposite to the inner cavity of the filter screen; a one-way valve structure is arranged in the front end of the water guide pipe, a straight rod is horizontally fixed in the tank cover, the rear end of the straight rod penetrates through the filter screen and stretches into the water guide pipe, and the straight rod acts on the one-way valve structure to reversely conduct the front end of the water guide pipe. The filtering tap is convenient to use.

Description

Filtering faucet

Technical Field

The utility model belongs to the field of valves, and relates to a water tap, in particular to a filtering water tap.

Background

The tap is commonly called a water valve and is used for controlling the size of water flow.

The prior water tap is a multifunctional anti-theft water tap (application number: 201620401569.3) disclosed by China patent library, and comprises a water tap valve body and a water tap switch cap, wherein a water tap valve core is arranged in the water tap valve body, a water inlet and a water outlet are also arranged in the water tap valve body, the water tap switch cap is arranged above the water tap valve core, a convex anti-theft support is arranged on one side of the water tap valve body, a lock hole is further arranged on the anti-theft support, a fixing pin is arranged on the side of the water tap switch cap, a switch handle is movably arranged on the fixing pin on the side of the water tap switch cap, and is clamped by adopting a fixing clamping ring, a spring is further arranged between the switch handle and the water tap switch cap, a filter cap is arranged below the water tap valve body, a filter screen is further arranged between the filter cap and the water tap valve body, and an O-shaped sealing ring is further arranged at the water inlet.

The tap utilizes the built-in filter screen to intercept impurities in water, and the filter screen meshes can be blocked to gradually reduce the water flow under long-term use, so that the filter screen is taken out for cleaning. In this tap, because the case shutoff is on the filter screen upside, lead to the filter cap to take off the back, rivers can be through valve body bottom filter cap position blowout, just need extra to close the total valve of intaking this moment, and the operation is comparatively loaded down with trivial details.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides a filtering faucet which is convenient to use.

The aim of the utility model can be achieved by the following technical scheme: the utility model provides a filter tap, including valve and the tee bend that the level set up, the tee bend includes the direct and the pipe portion of shaping in the direct lateral part, direct front end connection valve import, tee bend one side level is equipped with the water purification jar, the water purification jar includes jar body and can dismantle the cover of fixing at jar body front end, and jar body and pipe portion are fixed and communicate, characterized in that, the tee bend internal shaping has the fender wall that makes direct front end and pipe portion all cut off with the direct rear end, be equipped with the guide hole that runs through along pipe portion axial setting on the fender wall, and pipe portion inner chamber passes through the guide hole intercommunication direct rear end; the tank body is horizontally provided with an L-shaped water guide pipe and a cylindrical filter screen, the rear end of the water guide pipe extends into the guide hole and forms a seal between the guide hole and the guide hole, two ends of the filter screen are respectively pressed on the front end of the water guide pipe and the tank cover, the tank cover seals the front end opening of the filter screen, and the front end opening of the water guide pipe is opposite to the inner cavity of the filter screen; the front end of the water guide pipe is internally provided with a one-way valve structure which enables the water guide pipe to be conducted in a one-way from front to back, a straight rod is horizontally fixed in the tank cover, the rear end of the straight rod penetrates through the filter screen and stretches into the water guide pipe, and the straight rod acts on the one-way valve structure to enable the front end of the water guide pipe to be conducted reversely.

When the water purifier is used, water enters from the through rear end, flows into the water guide pipe, is filtered by the filter screen, is discharged into the water purifying tank, is discharged into the through front end through the pipe part, and is started and stopped by controlling the valve.

The front end of the water guide pipe is provided with a one-way valve structure which enables the water guide pipe to be conducted in one way, and the water guide pipe is reversely conducted by utilizing the straight rod arranged on the tank cover, so that the front end of the water guide pipe can automatically recover the one-way conduction state after the tank cover is detached under the premise of meeting normal use of a faucet, the water guide pipe and the tank body are automatically cut off, water is prevented from being sprayed out from the tank body when the filter screen is detached, and thus the operation of closing the main valve can be omitted during actual operation, and the water guide pipe is convenient to use and simple.

In the above-mentioned filtering tap, the above-mentioned check valve structure includes the sealing rack that the level sets up in the aqueduct and the sealing ring of shaping on the aqueduct inner wall, and the sealing ring is in the sealing rack front side, and the sealing rack is T shape and by pole portion and through the head that seals the port behind the sealing ring with the sealing ring contact constitute, pole portion and aqueduct sliding connection make the sealing rack can follow straight-bar axial slip, foretell straight-bar presses on the head. During normal use, the straight rod is pressed on the head part to be far away from the sealing ring so as to open the rear port of the sealing ring, and water smoothly enters the filter screen through the water guide pipe; when the filter screen is required to be detached for cleaning, the tank cover is detached to enable the straight rod to be far away from the sealing frame, and at the moment, the sealing frame is pushed by water pressure in the water guide pipe to press down on the sealing ring to seal the rear port of the sealing ring, so that the water guide pipe is blocked from being communicated with the tank body, and the sealing device has the advantages of being simple in structure and stable in operation.

In the filtering faucet, the supporting rod is horizontally fixed in the water guide pipe, the supporting rod is provided with the guide hole with the shape and the size matched with the rod part, the rod part is arranged in the guide hole in a penetrating way, the rod part is in sliding connection with the water guide pipe, and the filtering faucet also has the advantages of being simple in structure and stable in operation.

In the above-mentioned filtering tap, the water guide pipe is composed of a connecting cylinder and an L-shaped tubular main body, the rear end of the tubular main body extends into the guide hole, the front end of the tubular main body is sleeved on the connecting cylinder and is sealed and fixedly connected with the connecting cylinder, the supporting rod and the sealing ring are respectively arranged on the tubular main body and the connecting cylinder, and the rear end of the filter screen is pressed on the connecting cylinder. The water guide pipe adopts a split structure consisting of the connecting cylinder and the tubular main body, thereby being convenient for design and assembly.

In the filtering faucet, the annular slot matched with the filter screen is coaxially formed in the front end of the connecting cylinder, and the rear end of the filter screen is clamped into the annular slot and is pressed on the bottom wall of the annular slot, so that the filter screen can be better supported and positioned, and the stable filtering process is ensured.

In the filtering tap, the inner hole of the sealing ring is a taper hole with the diameter gradually increasing from front to back, the side wall of the head is provided with a conical surface matched with the taper hole, and the rear port of the sealing ring is sealed by the contact of the conical surface and the wall of the taper hole. Taper hole and conical surface cooperation can correct the sealing frame position, strengthens the laminating degree of sealing frame and sealing ring to reach better sealing performance, make this tap more stable work.

In the filtering faucet, the water purifying tank and the straight-through pipe are arranged side by side, so that after the faucet is installed, the tank cover of the water purifying tank is arranged right opposite to a user, and the filter screen is convenient to clean.

In the filtering faucet, the outer wall of the rear end of the tank body extends outwards to form the tubular guide part integrally, and the guide part is inserted into the pipe part and is sealed and fixedly connected with the pipe part. The guide part is matched with the pipe part to play a role in installation and guiding, so that the water guide tank is convenient to assemble.

In the filtering tap, the pipe part is externally connected with the pressing cap in a threaded manner, the inner wall of the pressing cap is provided with the annular blocking shoulder in a forming manner, the outer wall of the guide part is coaxially provided with the annular pressing edge, and two end surfaces of the annular pressing edge are respectively pressed on the end surface of the pipe part and the annular blocking shoulder.

In the above-mentioned filtering tap, the end surface of the pipe part is coaxially provided with the annular positioning groove I, the annular sealing gasket I is arranged in the positioning groove I, and two end surfaces of the annular sealing gasket I are respectively pressed against the bottom wall and the annular pressing edge of the positioning groove I, so as to strengthen the sealing performance between the pipe part and the guide part and prevent water leakage.

In the filtering tap, the annular sealing part is integrally formed on the outer wall of the rear end of the water guide pipe, and two ends of the sealing part are respectively pressed on the guide hole edge and the end face of the guide part. The pressing cap simultaneously positions the tank body and the water guide pipe, so that the assembly is convenient through simplifying the structure.

In the above-mentioned filter tap structure, the left end face of the sealing part is provided with the annular positioning groove II, the positioning groove II is internally provided with the annular sealing gasket II, and the two end faces of the annular sealing gasket II are respectively pressed on the bottom wall of the positioning groove II and the guide hole edge so as to further strengthen the sealing effect formed between the sealing part and the pipe part.

Compared with the prior art, the filtering faucet structure has the following advantages:

1. the front end of the water guide pipe is provided with a one-way valve structure which enables the water guide pipe to be conducted in one way, and the water guide pipe is reversely conducted by utilizing the straight rod arranged on the tank cover, so that the front end of the water guide pipe can automatically recover the one-way conduction state after the tank cover is detached under the premise of meeting normal use of a faucet, the water guide pipe and the tank body are automatically cut off, water is prevented from being sprayed out from the tank body when the filter screen is detached, and thus the operation of closing the main valve can be omitted during actual operation, and the water guide pipe is convenient to use and simple.

2. Taper hole and conical surface cooperation can correct the sealing frame position, strengthens the laminating degree of sealing frame and sealing ring to reach better sealing performance, make this tap more stable work.

Drawings

Fig. 1 is a schematic perspective view of a filter faucet.

Fig. 2 is a schematic cross-sectional view of a filter faucet.

Fig. 3 is an enlarged schematic view of the structure at a in fig. 2.

In the figure, 1, a valve; 2. a tee joint; 2a, through; 2b, a tube part; 2c, a retaining wall; 2c1, guide holes; 3. a water purifying tank; 3a, a tank body; 3a1, a guide part; 3a2, annular blank pressing; 3b, a tank cover; 4. pressing the cap; 4a, annular shoulder; 5. an annular sealing gasket I; 6. a water conduit; 6a, a sealing ring; 6a1, conical surface; 6b, a connecting cylinder; 6c, a tubular body; 6d, a sealing part; 7. a filter screen; 8. a straight rod; 9. a sealing frame; 9a, a rod part; 9b, a head; 10. a support rod; 11. and a second annular sealing gasket.

Description of the embodiments

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

Example 1

As shown in fig. 1, the filtering tap comprises a valve 1, a tee joint 2 horizontally arranged and a water purifying tank 3 horizontally arranged on one side of the tee joint 2.

Wherein, the liquid crystal display device comprises a liquid crystal display device,

the tee joint 2 is of an integrated structure and comprises a straight through 2a and a pipe part 2b formed on the side part of the straight through 2a, and the axes of the pipe part 2b and the straight through 2a are vertically arranged.

The valve 1 type is a ball valve or an angle valve, and in this embodiment, it is preferable that the valve 1 type is a ball valve. The valve 1 comprises a substantially L-shaped valve body, and the valve body comprises an inlet and an outlet with axes arranged perpendicularly. The valve body is fixedly connected with the front end of the straight pipe 2a, and at the moment, the inlet is communicated with the front port of the straight pipe.

As shown in fig. 1 and 2, the water purifying tank 3 and the through 2a are arranged side by side, and at this time, the pipe portion 2b is located between the water purifying tank 3 and the through 2 a. As shown in fig. 1, the water purifying tank 3 comprises a tank body 3a and a tank cover 3b, wherein the tank opening of the tank body 3a is arranged forward, and the tank cover 3b is detachably fixed at the front end of the tank body 3a and seals the front port of the tank body 3 a. In this embodiment, the can lid 3b and the can body 3a are preferably detachably and fixedly connected by threads, and a seal is formed between them by a seal ring. The rear end of the tank body 3a is fixed and communicated with the pipe part 2b, specifically, the outer wall of the rear end of the tank body 3a extends outwards to form a tubular guide part 3a1 integrally, the shape and the size of the guide part 3a1 are matched with those of the pipe part 2b, and the guide part 3a1 is inserted into the pipe part 2b and is fixedly connected with the pipe part in a sealing way. The guide part 3a1 is matched with the pipe part 2b to play a role in installation and guiding, so that the water guide tank is convenient to assemble. In this embodiment, the outer screw of the pipe portion 2b is connected with a press cap 4, an annular shoulder 4a is formed on the inner wall of the press cap 4, an annular pressing edge 3a2 is coaxially formed on the outer wall of the guide portion 3a1, and two end faces of the annular pressing edge 3a2 are respectively pressed on the end face of the pipe portion 2b and the annular shoulder 4 a. Further, an annular positioning groove I is coaxially formed in the end face of the pipe part 2b, an annular sealing gasket I5 is arranged in the positioning groove I, and two end faces of the annular sealing gasket I5 are respectively pressed on the bottom wall of the positioning groove I and the annular pressing edge 3a2, so that the sealing performance between the pipe part 2b and the guide part 3a1 is enhanced, and water leakage is prevented.

As shown in fig. 2 and 3, a blocking wall 2c is formed in the tee 2 so that the front end of the straight-through 2a and the pipe portion 2b are cut off from the rear end of the straight-through 2a, a guide hole 2c1 penetrating through the pipe portion 2b in the axial direction is formed in the blocking wall 2c, the inner cavity of the pipe portion 2b is communicated with the rear end of the straight-through 2a through the guide hole 2c1, and at this time, the front end of the straight-through 2a is communicated with the front end of the straight-through 2a through the pipe portion 2 b. An L-shaped water guide pipe 6 and a cylindrical filter screen 7 are horizontally arranged in the tank body 3a, wherein the rear end of the water guide pipe 6 extends into the guide hole 2c1, and a seal is formed between the water guide pipe and the guide hole; the filter screen 7 and the front end of the water guide pipe 6 are coaxially arranged, two ends of the filter screen 7 are respectively pressed on the front end of the water guide pipe 6 and the tank cover 3b, at the moment, the tank cover 3b seals the front end opening of the filter screen 7, and the front end opening of the water guide pipe 6 is opposite to the inner cavity of the filter screen 7. A one-way valve structure which enables the water guide pipe 6 to be conducted in a one-way from front to back is arranged in the front end of the water guide pipe 6, a straight rod 8 is horizontally fixed in the tank cover 3b, the rear end of the straight rod 8 penetrates through the filter screen 7 and stretches into the water guide pipe 6, and the straight rod 8 acts on the one-way valve structure to enable the front end of the water guide pipe 6 to be conducted in a reverse way.

When in use, water enters from the rear end of the straight-through 2a, flows into the water guide pipe 6, is filtered by the filter screen 7, is discharged into the water purifying tank 3, is discharged into the front end of the straight-through 2a through the pipe part 2b, and is started and stopped by controlling the valve 1.

The front end of the water guide pipe 6 is provided with a one-way valve structure which enables the water guide pipe 6 to be conducted in a one-way, and the water guide pipe 6 is conducted reversely by utilizing the straight rod 8 arranged on the tank cover 3b, so that the front end of the water guide pipe 6 can automatically recover to a one-way conduction state after the tank cover 3b is detached under the premise of meeting the normal use of a faucet, the water guide pipe 6 and the tank body 3a are automatically cut off, water is prevented from being sprayed out from the tank body 3a when the filter screen 7 is detached, and thus the operation of closing the main valve can be omitted during actual operation, and the water guide pipe has the advantages of convenience in use and simplicity.

In the present embodiment of the present utility model, in the present embodiment,

the straight rod 8 is fixedly connected with the tank cover 3b in a welding mode.

As shown in fig. 2 and 3, the check valve structure is as follows: comprising a sealing frame 9 horizontally arranged in the water guide pipe 6 and a sealing ring 6a formed on the inner wall of the water guide pipe 6. The sealing ring 6a is positioned at the front side of the sealing frame 9, the sealing frame 9 is T-shaped and consists of a rod part 9a and a head part 9b which is contacted with the sealing ring 6a to seal the rear port of the sealing ring 6a, the rod part 9a is in sliding connection with the water guide pipe 6, so that the sealing frame 9 can axially slide along the straight rod 8, and the straight rod 8 is pressed on the head part 9 b. In normal use, the straight rod 8 is pressed on the head 9b to be far away from the sealing ring 6a so as to open the rear port of the sealing ring 6a, and water smoothly enters the filter screen 7 through the water guide pipe 6; when the filter screen 7 needs to be detached for cleaning, the tank cover 3b is detached to enable the straight rod 8 to be far away from the sealing frame 9, and at the moment, the sealing frame 9 is pushed by water pressure in the water guide pipe 6 to press down on the sealing ring 6a to seal the rear port of the sealing ring 6a, so that the communication between the water guide pipe 6 and the tank body 3a is cut off, and the sealing device has the advantages of being simple in structure and stable in work.

Further, the inner hole of the sealing ring 6a is a tapered hole with the diameter gradually increasing from front to back, a conical surface 6a1 matched with the tapered hole is formed on the side wall of the head 9b, and the rear port of the sealing ring 6a is closed by the contact of the conical surface 6a1 and the wall of the tapered hole. The taper hole is matched with the conical surface 6a1, so that the position of the sealing frame 9 can be corrected, the fitting degree of the sealing frame 9 and the sealing ring 6a is enhanced, and better sealing performance is achieved, and the tap can work more stably.

The rod 9a is slidably connected to the water guide pipe 6 as follows: a support rod 10 is horizontally fixed in the water guide pipe 6, preferably, the length of the support rod 10 extends along the axial direction of the guide hole 2c1, and the support rod 10 is fixedly connected with the water guide pipe 6 by welding. The support rod 10 is provided with a guide hole 2c1 with the shape and the size matched with the rod part 9a, the rod part 9a is penetrated in the guide hole 2c1, and the rod part 9a is stably connected with the water guide pipe 6 in a sliding way.

The water conduit 6 is of a split type structure and consists of a connecting cylinder 6b and an L-shaped tubular main body 6 c. Wherein, the rear end of the tubular main body 6c extends into the guide hole 2c1, the front end of the tubular main body 6c is sleeved on the connecting cylinder 6b and is in sealing connection with the connecting cylinder, the supporting rod 10 and the sealing ring 6a are respectively arranged on the tubular main body 6c and the connecting cylinder 6b, and the rear end of the filter screen 7 is pressed on the connecting cylinder 6 b. Preferably, the tubular body 6c and the connecting cylinder 6b are screwed together and the joint is coated with a sealant.

The positioning mode of the water guide pipe 6 is as follows: an annular sealing part 6d is integrally formed on the outer wall of the rear end of the water guide pipe 6, and two ends of the sealing part 6d are respectively pressed on the hole edge of the guide hole 2c1 and the end face of the guide part 3a 1. The press cap 4 simultaneously positions the can body 3a and the water guide pipe 6 to facilitate assembly by simplifying the structure. Further, a second annular positioning groove is formed in the left end face of the sealing portion 6d, a second annular sealing gasket 11 is arranged in the second positioning groove, and two end faces of the second annular sealing gasket 11 are respectively pressed on the second bottom wall of the positioning groove and the hole edge of the guide hole 2c1, so that the sealing effect formed between the sealing portion 6d and the pipe portion 2b is further enhanced.

As shown in fig. 3, the front end of the connecting cylinder 6b is coaxially provided with an annular slot matched with the filter screen 7, and the rear end of the filter screen 7 is clamped into the annular slot and pressed on the bottom wall of the annular slot, so that the filter screen 7 is better supported and positioned, and the stable filtering process is ensured.

Example two

The structure and principle of the second embodiment are basically the same as those of the first embodiment, except that: the check valve structure is a check valve, which comprises a valve core, and the straight rod 8 acts on the valve core.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims (10)

1. The utility model provides a filter tap, including valve (1) and tee bend (2) that the level set up, tee bend (2) include direct (2 a) and shaping in pipe portion (2 b) of direct (2 a) lateral part, direct (2 a) front end connection valve (1) import, tee bend (2) one side level is equipped with water purification tank (3), water purification tank (3) include jar body (3 a) and can dismantle cover (3 b) fixed at jar body (3 a) front end, and jar body (3 a) are fixed and are linked together with pipe portion (2 b), characterized in that, tee bend (2) internal shaping has baffle wall (2 c) that makes direct (2 a) front end and pipe portion (2 b) all cut off with direct (2 a) rear end, be equipped with on baffle wall (2 c) along pipe portion (2 b) axial run through setting up guide hole (2 c 1), and guide hole (2 b) inner chamber are linked together direct (2 a) rear end through guide hole (2 c 1); an L-shaped water guide pipe (6) and a cylindrical filter screen (7) are horizontally arranged in the tank body (3 a), the rear end of the water guide pipe (6) extends into the guide hole (2 c 1) and forms a seal between the two, two ends of the filter screen (7) are respectively pressed on the front end of the water guide pipe (6) and the tank cover (3 b), the tank cover (3 b) seals the front end opening of the filter screen (7), and the front end opening of the water guide pipe (6) is opposite to the inner cavity of the filter screen (7); the front end of the water guide pipe (6) is internally provided with a one-way valve structure which enables the water guide pipe to be conducted in a one-way from front to back, a straight rod (8) is horizontally fixed in the tank cover (3 b), the rear end of the straight rod (8) penetrates through the filter screen (7) and stretches into the water guide pipe (6), and the straight rod (8) acts on the one-way valve structure to enable the front end of the water guide pipe (6) to be conducted in a reverse way.

2. The filter tap according to claim 1, wherein the one-way valve structure comprises a sealing frame (9) horizontally arranged in the water guide pipe (6) and a sealing ring (6 a) formed on the inner wall of the water guide pipe (6), the sealing ring (6 a) is positioned at the front side of the sealing frame (9), the sealing frame (9) is T-shaped and consists of a rod part (9 a) and a head part (9 b) for closing the rear port of the sealing ring (6 a) by contacting with the sealing ring (6 a), the rod part (9 a) is in sliding connection with the water guide pipe (6) so that the sealing frame (9) can axially slide along the straight rod (8), and the straight rod (8) is pressed on the head part (9 b).

3. The filtering tap according to claim 2, characterized in that a supporting rod (10) is horizontally fixed in the water guide pipe (6), a guide hole (2 c 1) with the shape and the size matched with the rod part (9 a) is arranged on the supporting rod (10), and the rod part (9 a) is penetrated in the guide hole (2 c 1).

4. A filter tap according to claim 3, wherein the water guide tube (6) is composed of a connecting tube (6 b) and an L-shaped tubular main body (6 c), the rear end of the tubular main body (6 c) extends into the guide hole (2 c 1), the front end of the tubular main body (6 c) is sleeved on the connecting tube (6 b) and is sealed and fixedly connected with the connecting tube, the supporting rod (10) and the sealing ring (6 a) are respectively arranged on the tubular main body (6 c) and the connecting tube (6 b), and the rear end of the filter screen (7) is pressed on the connecting tube (6 b).

5. The filtering faucet according to claim 4, wherein the front end of the connecting cylinder (6 b) is coaxially provided with an annular slot matched with the filter screen (7), and the rear end of the filter screen (7) is clamped into the annular slot and is pressed on the bottom wall of the annular slot.

6. A filter tap according to claim 2 or 3, wherein the inner hole of the sealing ring (6 a) is a tapered hole with the diameter gradually increasing from front to back, a conical surface (6 a 1) matched with the tapered hole is formed on the side wall of the head (9 b), and the rear port of the sealing ring (6 a) is closed by the contact of the conical surface (6 a 1) with the wall of the tapered hole.

7. The filter tap according to claim 1, characterised in that the water purification tank (3) and the through (2 a) are arranged side by side.

8. The filtering faucet according to claim 7, wherein the outer wall of the rear end of the tank body (3 a) is outwardly extended to form a tubular guide part (3 a 1), and the guide part (3 a 1) is inserted into the pipe part (2 b) and is fixedly connected with the pipe part in a sealing manner.

9. The filtering faucet according to claim 1, wherein the pipe portion (2 b) is externally connected with a press cap (4) in a threaded manner, an annular blocking shoulder (4 a) is formed on the inner wall of the press cap (4), an annular pressing edge (3 a 2) is coaxially formed on the outer wall of the guide portion (3 a 1), and two end faces of the annular pressing edge (3 a 2) are respectively pressed on the end face of the pipe portion (2 b) and the annular blocking shoulder (4 a).

10. The filtering tap as claimed in claim 9, wherein the outer wall of the rear end of the water guide pipe (6) is integrally formed with a ring-shaped sealing part (6 d), and both ends of the sealing part (6 d) are respectively pressed against the hole edge of the guide hole (2 c 1) and the end face of the guide part (3 a 1).