Faucet with filter element convenient to replace

Abstract

The utility model relates to the technical field of faucets, and discloses a faucet with a filter element convenient to replace, an installation assembly comprises a fixing ring fixedly arranged in a water outlet pipe, a shell, a sealing sleeve sleeved on the shell, a lock sleeve, an installation sleeve and a filter element located in the shell, a lock ring is fixedly arranged below the lock sleeve, and threads are arranged on the inner side of the shell and the outer side of the lock sleeve. A mounting ring is fixedly arranged below the mounting sleeve, threads are arranged on the outer side of the water outlet pipe and the inner side of the mounting sleeve, and when the mounting sleeve is screwed into the water outlet pipe, the mounting ring is fixedly connected with the locking ring; a plurality of anti-slip strips are fixedly arranged on the outer side of the mounting sleeve. The utility model has the beneficial effect that the filter element is convenient to replace, and solves the problems that the shell and internal threads are easy to crush by using tools such as pipe tongs and the like, and the filter element is inconvenient to replace because the shell and the internal threads are easy to slip when being screwed by hands.

Description

Technical Field

[0001] The utility model relates to the technical field of faucets, in particular to a faucet which is convenient for replacing a filter element. Background Art

[0002] Faucet is the popular name of water valve, which is mainly used to control the water outlet switch and water flow of water pipes, and has the effect of water saving, and is widely used in various occasions. The replacement speed of faucets is very fast, and more and more consumers will consider the material, function, shape and other aspects when purchasing faucets.

[0003] The existing faucet filter is usually installed at the outlet of the faucet, and the filter is installed inside the shell, and the shell is fixedly connected to the outlet pipe by thread. The shell and the outlet pipe are usually made of stainless steel, so the surface is relatively smooth. When the filter needs to be removed for replacement, the shell and the internal threads are easily damaged by using tools such as pipe clamps, and it is easy to slip when twisting by hand, which makes it inconvenient to replace the filter. Utility Model Content

[0004] The purpose of the utility model is to provide a faucet which is convenient for replacing a filter element, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a faucet with convenient filter element replacement, comprising a faucet, a water outlet pipe fixedly installed on the faucet, and a filter element located inside the water outlet pipe, characterized in that: the filter element is fixedly connected to the water outlet pipe through a mounting assembly, the mounting assembly comprises a fixing ring fixedly arranged inside the water outlet pipe, an outer shell, a sealing sleeve sleeved on the outer shell, a locking sleeve, and an installation sleeve, the filter element is located inside the outer shell, a locking ring is fixedly arranged below the locking sleeve, threads are arranged on the inner side of the outer shell and the outer side of the locking sleeve, after the locking sleeve is screwed into the outer shell, the locking ring is fixedly connected to the filter element, after the outer shell is inserted into the water outlet pipe, the sealing sleeve is in contact with the water outlet pipe and the fixing ring, a mounting ring is fixedly arranged below the installation sleeve, threads are arranged on the outer side of the water outlet pipe and the inner side of the installation sleeve, when the installation sleeve is screwed into the water outlet pipe, the installation ring is fixedly connected to the locking ring, and a plurality of anti-slip strips are fixedly arranged on the outer side of the installation sleeve.

[0006] Preferably, the installation assembly further comprises a sealing ring and a sealing gasket fixedly arranged below the sealing sleeve, the sealing ring being located between the outer shell and the locking ring, and the sealing gasket being located between the locking ring and the installation ring.

[0007] Preferably, the installation assembly also includes a spring and a round ball. A telescopic hole is opened on the outer wall of the lock ring. Both ends of the spring are fixedly connected to the side wall of the telescopic hole and the round ball respectively. The round ball is located outside the telescopic hole. A slot is opened on the inner wall of the water outlet pipe. The round ball is inserted into the slot and is connected with the water outlet pipe.

[0008] Preferably, a hook groove is provided on the inner side wall of the lock ring, and a hook plate is fixedly provided on the mounting sleeve.

[0009] Preferably, a positioning block is fixedly arranged above the filter element, a positioning groove matching the positioning block is opened on the outer shell, and the positioning block is inserted into the positioning groove to be in contact with the outer shell.

[0010] Preferably, a limiting strip is fixedly arranged inside the sealing sleeve, a limiting groove is provided on the outer side wall of the shell, and the limiting strip is inserted into the limiting groove and is in contact with the shell.

[0011] Preferably, the filter element is a combination filter element of PP cotton and mineral balls, and the sealing sleeve, sealing ring and sealing gasket are all made of rubber material.

[0012] The beneficial effects of the utility model are as follows: when the filter element is installed, the sealing sleeve is first set on the shell, and then the filter element is placed inside the shell, and then the locking sleeve is screwed into the shell and fixedly connected with the shell thread, so that the locking ring presses the filter element and is fixedly connected with the filter element, and the shell is inserted into the water outlet pipe, so that the sealing sleeve is in contact with the water outlet pipe and the fixing ring to play a sealing role. When the shell is inside the water outlet pipe, the telescopic hole and the slot position coincide with each other, and the round ball is inserted into the slot and is in contact with the water outlet pipe to play a pre-locking role. The installation sleeve is screwed into the water outlet pipe and is fixedly connected with the water outlet pipe thread, so that the installation ring presses the locking ring and is fixedly connected with the locking ring to complete the installation of the filter element; when the filter element is replaced, the installation sleeve is first screwed out of the water outlet pipe to separate it from the water outlet pipe, and because the outer side of the installation sleeve is fixedly arranged There are several anti-slip strips to prevent slipping, and then insert the hook plate into the hook groove to hook the locking ring, pull the hook plate downward to drive the locking ring to move downward, and the round ball will squeeze the spring to retract into the telescopic hole after being squeezed, so that the locking ring and the shell are separated from the water outlet pipe. At this time, there are two replacement methods, one is to replace the filter element connected to the shell together, and the other is to replace only the filter element after unscrewing the lock sleeve, which can provide users with flexible choices; in summary, the utility model has the beneficial effect of facilitating the replacement of filter elements, and solves the problem that the shell and the water outlet pipe are usually made of stainless steel with a relatively smooth surface. When the filter element needs to be disassembled for replacement, the shell and internal threads are easily damaged by using tools such as pipe pliers, and it is easy to slip when twisted by hand, which makes it inconvenient to replace the filter element. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Attached Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Attached Figure 2 It is an explosion diagram of the utility model;

[0015] Attached Figure 3 For attachment Figure 2 Enlarged view of point A in the middle;

[0016] Attached Figure 4It is a partial cross-sectional view of the utility model;

[0017] Attached Figure 5 For attachment Figure 4 Enlarged view of point B in the middle.

[0018] In the figure: faucet 1, water outlet pipe 2, filter element 3, fixing ring 4, housing 5, sealing sleeve 6, locking sleeve 7, mounting sleeve 8, locking ring 9, mounting ring 10, anti-slip strip 11, sealing ring 12, sealing gasket 13, spring 14, round ball 15, telescopic hole 16, slot 17, hook groove 18, hook plate 19, positioning block 20, positioning groove 21, limit strip 22, limit groove 23. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0020] like Figure 1-5As shown, the utility model discloses a faucet for convenient filter element replacement, comprising a faucet 1, a water outlet pipe 2 fixedly mounted on the faucet 1, and a filter element 3 located inside the water outlet pipe 2, wherein the filter element 3 is fixedly connected to the water outlet pipe 2 through a mounting assembly, wherein the mounting assembly comprises a fixing ring 4 fixedly mounted inside the water outlet pipe 2, a shell 5, a sealing sleeve 6 sleeved on the shell 5, a locking sleeve 7, and a mounting sleeve 8, wherein the filter element 3 is located inside the shell 5, a locking ring 9 is fixedly arranged below the locking sleeve 7, threads are arranged on the inner side of the shell 5 and on the outer side of the locking sleeve 7, after the locking sleeve 7 is screwed into the shell 5, the locking ring 9 is fixedly connected to the filter element 3, after the shell 5 is inserted into the water outlet pipe 2, the sealing sleeve 6 is in contact with the water outlet pipe 2 and the fixing ring 4, a mounting ring 10 is fixedly arranged below the mounting sleeve 8, threads are arranged on the outer side of the water outlet pipe 2 and on the inner side of the mounting sleeve 8, when the mounting sleeve 8 is screwed into the water outlet pipe 2, the mounting ring 10 is fixedly connected to the locking ring 9, and a plurality of anti-slip strips 11 are fixedly arranged on the outer side of the mounting sleeve 8. When the filter element 3 is installed, the sealing sleeve 6 is first sleeved on the shell 5, and then the filter element 3 is placed inside the shell 5, and then the locking sleeve 7 is screwed into the shell 5 and fixedly connected with the shell 5 by thread, so that the locking ring 9 presses the filter element 3 and is fixedly connected with the filter element 3, and the shell 5 is inserted into the outlet pipe 2, so that the sealing sleeve 6 is in contact with the outlet pipe 2 and the fixing ring 4 to play a sealing role. When the shell 5 is located inside the outlet pipe 2, the telescopic hole 16 coincides with the slot 17, and the ball 15 is inserted into the slot 17 and is in contact with the outlet pipe 2 to play a pre-locking role. The installation sleeve 8 is screwed into the outlet pipe 2 and fixedly connected with the outlet pipe 2 by thread, so that the installation ring 10 presses the locking ring 9 and is fixedly connected with the locking ring 9 to complete the installation of the filter element 3; when the filter element 3 is replaced, the installation sleeve 8 is first screwed out of the outlet pipe 2 to separate it from the outlet pipe 2. Since the outer side of the installation sleeve 8 is fixedly provided with The plurality of anti-slip strips 11 play a role in preventing slipping, and then the hook plate 19 is inserted into the hook groove 18 to hook the lock ring 9, and the hook plate 19 is pulled downward to drive the lock ring 9 to move downward. After being squeezed, the ball 15 will squeeze the spring 14 to retract into the telescopic hole 16, so that the lock ring 9 and the shell 5 are separated from the water outlet pipe 2. At this time, there are two replacement methods, one is to replace the filter element 3 connected with the shell 5 together, and the other is to replace only the filter element 3 after unscrewing the lock sleeve 7, which can provide users with flexible choices; in summary, the utility model has the beneficial effect of facilitating the replacement of the filter element 3, and solves the problem that the shell 5 and the water outlet pipe 2 are usually made of stainless steel with a relatively smooth surface. When the filter element 3 needs to be disassembled for replacement, the shell 5 and the internal thread are easily damaged by using tools such as pipe pliers, and it is easy to slip when twisted by hand, which makes it inconvenient to replace the filter element 3.

[0021] Preferably, the mounting assembly further comprises a sealing ring 12 and a sealing gasket 13 fixedly arranged below the sealing sleeve 6, wherein the sealing ring 12 is located between the housing 5 and the locking ring 9, and the sealing gasket 13 is located between the locking ring 9 and the mounting ring 10. Since the sealing ring 12 is located between the housing 5 and the locking ring 9, and the sealing gasket 13 is located between the locking ring 9 and the mounting ring 10, a sealing effect is achieved to prevent water from flowing out from the connection.

[0022] Preferably, the installation assembly further comprises a spring 14 and a ball 15. A telescopic hole 16 is provided on the outer wall of the lock ring 9. The two ends of the spring 14 are fixedly connected to the side wall of the telescopic hole 16 and the ball 15 respectively. The ball 15 is located outside the telescopic hole 16. A slot 17 is provided on the inner wall of the water outlet pipe 2. The ball 15 is inserted into the slot 17 and is in contact with the water outlet pipe 2. Since the ball 15 is located outside the telescopic hole 16 and a slot 17 is provided on the inner wall of the water outlet pipe 2, when the housing 5 is located inside the water outlet pipe 2, the telescopic hole 16 and the slot 17 are overlapped, and the ball 15 is inserted into the slot 17 and is in contact with the water outlet pipe 2, which plays a role of pre-locking and prevents the filter element 3 from falling from the inside of the water outlet pipe 2 before the installation sleeve 8 is installed.

[0023] Preferably, a hook groove 18 is provided on the inner side wall of the lock ring 9, and a hook plate 19 is fixedly provided on the mounting sleeve 8. Since the hook groove 18 is provided on the inner side wall of the lock ring 9, and the hook plate 19 is fixedly provided on the mounting sleeve 8, the lock ring 9 can be hooked after the hook plate 19 is inserted into the hook groove 18, so that the lock ring 9 can be pulled, which facilitates the removal of the lock ring 9.

[0024] Preferably, a positioning block 20 is fixedly arranged above the filter element 3, a positioning groove 21 matching the positioning block 20 is provided on the housing 5, and the positioning block 20 is inserted into the positioning groove 21 and abuts against the housing 5. Since the positioning block 20 is inserted into the positioning groove 21 and abuts against the housing 5, the filter element 3 is positioned when it is placed.

[0025] Preferably, a limiting strip 22 is fixedly arranged inside the sealing sleeve 6, a limiting groove 23 is provided on the outer wall of the outer shell 5, and the limiting strip 22 is inserted into the limiting groove 23 and is in contact with the outer shell 5. Since the limiting strip 22 is inserted into the limiting groove 23 and is in contact with the outer shell 5, it plays a role in preventing the sealing sleeve 6 from rotating on the outer shell 5 at will.

[0026] Preferably, the filter element 3 is a combination filter element 3 of PP cotton and mineral balls, and the sealing sleeve 6, sealing ring 12 and sealing gasket 13 are all made of rubber. Since the filter element 3 is a combination filter element 3 of PP cotton and mineral balls, it has the characteristics of large dirt holding capacity and removal of residual fluorine; since the sealing sleeve 6, sealing ring 12 and sealing gasket 13 are all made of rubber, they have the characteristics of good sealing and aging resistance.

[0027] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A faucet for convenient filter cartridge replacement, comprising a faucet (1), a water outlet pipe (2) fixedly mounted on the faucet (1), and a filter cartridge (3) located inside the water outlet pipe (2), characterized in that: The filter element (3) is fixedly connected to the water outlet pipe (2) via a mounting assembly, the mounting assembly comprising a fixing ring (4) fixedly arranged inside the water outlet pipe (2), a housing (5), a sealing sleeve (6) sleeved on the housing (5), a locking sleeve (7), and a mounting sleeve (8), the filter element (3) is located inside the housing (5), a locking ring (9) is fixedly arranged below the locking sleeve (7), the inner side of the housing (5) and the outer side of the locking sleeve (7) are both provided with threads, and after the locking sleeve (7) is screwed into the housing (5), The locking ring (9) is fixedly connected to the filter element (3); after the housing (5) is inserted into the water outlet pipe (2), the sealing sleeve (6) is abutted against the water outlet pipe (2) and the fixing ring (4); a mounting ring (10) is fixedly arranged below the mounting sleeve (8); the outer side of the water outlet pipe (2) and the inner side of the mounting sleeve (8) are both provided with threads; when the mounting sleeve (8) is screwed into the water outlet pipe (2), the mounting ring (10) is fixedly connected to the locking ring (9); and a plurality of anti-slip strips (11) are fixedly arranged on the outer side of the mounting sleeve (8).

2. A faucet with convenient filter cartridge replacement according to claim 1, characterized in that: The mounting assembly further comprises a sealing ring (12) and a sealing gasket (13) fixedly arranged below the sealing sleeve (6); the sealing ring (12) is located between the housing (5) and the locking ring (9); and the sealing gasket (13) is located between the locking ring (9) and the mounting ring (10).

3. The faucet with convenient filter cartridge replacement according to claim 2, characterized in that: The mounting assembly further comprises a spring (14) and a round ball (15); a telescopic hole (16) is provided on the outer side wall of the lock ring (9); two ends of the spring (14) are respectively fixedly connected to the side wall of the telescopic hole (16) and the round ball (15); the round ball (15) is located outside the telescopic hole (16); a slot (17) is provided on the inner side wall of the water outlet pipe (2); the round ball (15) is inserted into the slot (17) and is in contact with the water outlet pipe (2).

4. The faucet with convenient filter cartridge replacement according to claim 3, characterized in that: A hook groove (18) is provided on the inner side wall of the lock ring (9), and a hook plate (19) is fixedly provided on the mounting sleeve (8).

5. The faucet with convenient filter cartridge replacement according to claim 4, characterized in that: A positioning block (20) is fixedly arranged above the filter element (3), a positioning groove (21) matching the positioning block (20) is provided on the housing (5), and the positioning block (20) is inserted into the positioning groove (21) to be in contact with the housing (5).

6. The faucet with convenient filter cartridge replacement according to claim 5, characterized in that: A limit strip (22) is fixedly arranged inside the sealing sleeve (6), a limit groove (23) is provided on the outer wall of the outer shell (5), and the limit strip (22) is inserted into the limit groove (23) to be in contact with the outer shell (5).

7. The faucet with convenient filter cartridge replacement according to claim 6, characterized in that: The filter element (3) is a combination filter element (3) of PP cotton and mineral balls, and the sealing sleeve (6), the sealing ring (12) and the sealing gasket (13) are all made of rubber.

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