A replaceable filter cartridge for a faucet

Abstract

The utility model provides a filter core can replace's water tap belongs to kitchen and bath hygiene field, it solved the problem that filter screen connects with water tap through friction, and the connecting position loosens with the problem that working time becomes long. The utility model discloses the main part of tap and three -way valve butt joint, three -way valve is equipped with the straight pipe, and the sealing cylinder is installed outside the straight pipe, and the sealing cylinder sets up the installation department, and the installation department installs the sealing cover, and the sealing cover is installed the filter screen in, and the straight pipe is equipped with the butt joint part, and the filter screen top is equipped with the sealed part, and the installation department sets up the slot, and the sealing cover sets up the blind hole, and the connecting rod is installed in the slot, and the connecting rod inserts into the slot and blind hole, and the filter screen bottom is equipped with the connecting column, and the connecting column and sealing cover pass -through bolt. The utility model discloses the advantage: filter screen and sealing cover fixed link, and the sealing cover removes after sealing cylinder chain belt filter screen and removes, and the time of saving filter screen replacement, and filter screen need not through the friction and the straight pipe connection, prevent the possibility that filter screen loosens under the water flow impact.

Description

Technical Field

[0001] This utility model belongs to the field of faucets, and relates to a faucet, and more particularly to a faucet with a replaceable filter cartridge. Background Technology

[0002] A faucet is a common name for a water valve, used to control the flow of water. It has water-saving properties and is widely used in daily life.

[0003] To reduce large particles in the water, faucets typically have a metal filter screen installed in the channel. However, over time, impurities accumulate on the filter screen. To facilitate cleaning, a removable opening is provided on the metal filter screen for replacement. However, the metal filter screen is usually installed inside the faucet by plugging and unplugging, which can easily loosen with the impact of water flow. This can lead to leaks at the connection between the filter screen and the faucet, resulting in ineffective filtration.

[0004] For example, a faucet structure with application number 202320652515.4 includes a three-way pipe and a valve. The three-way pipe consists of a straight pipe and a pipe section. An isolation wall is provided on the right side of the pipe section. A guide hole connecting the pipe section and the straight pipe is opened on the left side of the isolation wall. A water guide tank is installed on the pipe section. The water guide tank includes a tank body and a tank cover. A filter screen is provided inside the tank and connected to a guide tube. The guide tube is installed on the guide hole.

[0005] In the aforementioned patent, the filter screen is directly inserted into the groove of the conduit to achieve connection with the conduit. The filter screen is installed on the conduit by the friction between the filter screen and the conduit. Under the impact of water flow, the connection between the filter screen and the conduit may loosen, causing water to leak from the mating surface between the filter screen and the conduit, affecting the filter screen's ability to filter water. Utility Model Content

[0006] The purpose of this invention is to address the aforementioned problems in the existing technology by providing a faucet with a replaceable filter cartridge.

[0007] This utility model can be achieved through the following technical solution: a faucet with replaceable filter cartridge, including a faucet body and a three-way valve, wherein the faucet body and the three-way valve are connected, the three-way valve is provided with a straight pipe, a sealing cylinder is installed outside the straight pipe, an installation part is provided on the sealing cylinder, a sealing cover is installed on the installation part, a filter screen is installed inside the sealing cover, a connecting part is provided on the straight pipe, a sealing part is provided on the top of the filter screen, a slot is provided on the installation part, a blind hole is provided on the sealing cover, a connecting rod is installed in the slot, and the connecting rod is inserted into the slot and the blind hole.

[0008] In the aforementioned replaceable filter faucet, the side of the sealing cylinder is provided with a water outlet, the three-way valve is provided with a water inlet next to the straight pipe, and a partition is provided between the straight pipe and the water inlet.

[0009] In the aforementioned replaceable filter faucet, a connecting post is provided at the bottom of the filter screen, a screw hole is provided at the bottom of the connecting post, a through hole is provided on the sealing cover, and a bolt passes through the through hole and the screw hole.

[0010] In the aforementioned replaceable filter faucet, an annular groove is provided on the connecting part, a sealing ring is installed in the annular groove, and a sealing gasket is installed on the sealing part.

[0011] In the aforementioned replaceable filter faucet, slots are provided on both sides of the slot, a locking block is installed on the connecting rod, and a spring is installed between the locking block and the connecting rod.

[0012] In the aforementioned replaceable filter faucet, an annular protrusion extends from the sealing cap, and a sealing ring is installed on the annular protrusion.

[0013] In the aforementioned replaceable filter faucet, a positioning block extends from the mounting part, and a positioning groove is provided on the sealing cover.

[0014] Compared with the prior art, the advantages of this utility model are: the filter screen and the sealing cover are fixedly connected, and the filter screen can be removed at the same time as the sealing cover is removed from the sealing cylinder, saving the time of replacing the filter screen. At the same time, the filter screen does not need to be connected to the straight pipe by friction, preventing the possibility of the filter screen loosening under the impact of water flow. Attached Figure Description

[0015] Figure 1 It is a 3D diagram of a faucet with replaceable filter cartridges; Figure 2 This is a cross-sectional view of a faucet with a replaceable filter. Figure 3 This is a 3D view of the sealing cap assembly of a faucet with replaceable filter cartridges. Figure 4 This is a half-section view of the sealing cylinder of a faucet with replaceable filter cartridges. Figure 5 This is a 3D view of the connecting rod assembly of a faucet with a replaceable filter cartridge; Figure 6 yes Figure 2 Enlarged view within circle A; The components include: 1. Faucet body; 2. Three-way valve; 21. Inlet; 22. Baffle; 3. Straight pipe; 31. Connecting part; 311. Annular groove; 32. Sealing ring; 4. Sealing cylinder; 41. Mounting part; 411. Slot; 412. Slot; 413. Positioning block; 42. Outlet; 5. Sealing cover; 51. Filter screen; 511. Sealing part; 512. Sealing gasket; 52. Blind hole; 53. Connecting column; 531. Screw hole; 54. Through hole; 55. Annular boss; 551. Sealing ring; 56. Positioning groove; 6. Connecting rod; 7. Bolt; 8. Locking block; 81. Spring. Detailed Implementation

[0016] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0017] like Figures 1 to 6 As shown, this utility model can be implemented through the following embodiments: A faucet with replaceable filter cartridge includes a faucet body 1 and a three-way valve 2. The faucet body 1 and the three-way valve 2 are connected. The three-way valve 2 is provided with a straight pipe 3. A sealing cylinder 4 is installed outside the straight pipe 3. An installation part 41 is provided on the sealing cylinder 4. A sealing cover 5 is installed on the installation part 41. A filter screen 51 is installed inside the sealing cover 5. A connecting part 31 is provided on the straight pipe 3. A sealing part 511 is provided on the top of the filter screen 51. A slot 411 is provided on the installation part 41. A blind hole 52 is provided on the sealing cover 5. A connecting rod 6 is installed in the slot 411. The connecting rod 6 is inserted into the slot 411 and the blind hole 52. The straight pipe 3 is used to connect to the three-way valve 2, guiding the water flow entering the three-way valve 2 into the sealing cylinder 4; the sealing cylinder 4 is used to carry the water flow that needs to be filtered, and to allow the filtered water flow out from another outlet; the mounting part 41 on the sealing cylinder 4 is used to install the sealing cover 5, which facilitates sealing the sealing cylinder 4 and prevents water leakage. The filter screen 51 is fixedly connected to the sealing cover 5, which facilitates the removal of the filter screen 51 when the sealing cover 5 is removed, thus improving the efficiency of replacing the filter screen 51; the filter screen 51 is connected to the straight cylinder through the cooperation between the sealing cover 5 and the mounting part 41, and through the cooperation between the docking part 31 and the sealing part 511, reducing the possibility of the filter screen 51 loosening under the impact of water flow; the connecting rod 6 passes through the slot 411 opened on the outside of the mounting part 41 and the blind hole 52 opened on the sealing cover 5, and fixes the sealing cover 5 and the sealing cylinder 4 to achieve the sealing of the sealing cylinder 4, which is convenient for users to disassemble and install.

[0018] like Figure 2As shown, a water outlet 42 is provided on the side of the sealing cylinder 4, and a water inlet 21 is provided next to the straight pipe 3. A baffle 22 is provided between the straight pipe 3 and the water inlet 21. The water outlet 42 and the water inlet 21 are connected, so that the water filtered by the filter screen 51 enters the water inlet 21 through the water outlet 42, so that the faucet body 1 can work normally and prevent unfiltered water from directly entering the faucet body 1.

[0019] like Figures 1 to 4 As shown, a connecting post 53 is provided at the bottom of the filter screen 51, and a screw hole 531 is opened at the bottom of the connecting post 53. A through hole 54 is opened on the sealing cover 5, and a bolt 7 passes through the through hole 54 and the screw hole 531. The connecting post 53 is connected to the sealing cover 5 by the bolt 7, so that the filter screen 51 can be disassembled along with the sealing cover 5 when it is disassembled and installed, thereby improving the disassembly efficiency. At the same time, the filter screen 51 is fixed to the sealing cover 5, and the connection between the sealing cover 5 and the mounting part 41 reduces the possibility of the filter screen 51 loosening under the impact of water flow.

[0020] like Figure 2 , Figure 3 and Figure 6 As shown, an annular groove 311 is provided on the mating part 31, a sealing ring 32 is installed in the annular groove 311, and a sealing gasket 512 is installed on the sealing part 511. The installation of the sealing ring 32 and the sealing gasket 512 is used to improve the sealing performance at the mating surfaces of the mating part 31 and the sealing part 511, and to prevent water from leaking from the mating surfaces, thus affecting the normal operation of the filter screen 51.

[0021] like Figure 1 , Figure 4 and Figure 5 As shown, slots 412 are provided on both sides of the slot 411. A locking block 8 is installed on the connecting rod 6, and a spring 81 is installed between the locking block 8 and the connecting rod 6. The slots 412 and the locking block 8 cooperate to fix the connecting rod 6 and the mounting part 41. The connecting rod 6 also connects the mounting part 41 and the sealing cover 5, thus achieving a fixed connection between the mounting part 41 and the sealing cover 5. The spring 81 is used to push the locking block 8 into the slot 412 to ensure a stable connection between the connecting rod 6 and the mounting part 41, and to facilitate the removal of the locking block 8 from the slot 412, thereby improving disassembly efficiency.

[0022] like Figure 2 and Figure 3 As shown, an annular boss 55 extends from the sealing cover 5, and a sealing ring 551 is installed on the annular boss 55. The annular boss 55 is used to cooperate with the sealing cylinder 4 to improve the sealing performance between the sealing cover 5 and the sealing cylinder 4; the installation of the sealing ring 551 is used to further improve the sealing performance between the sealing cylinder 4 and the sealing cover 5.

[0023] like Figure 3 and Figure 4As shown, a positioning block 413 extends from the mounting part 41, and a positioning groove 56 is provided on the sealing cover 5. The cooperation between the positioning block 413 and the positioning groove 56 facilitates the positioning and installation of the sealing cover 5 on the mounting part 41, facilitates the connection of the filter screen 51 with the straight cylinder, reduces the installation difficulty, and improves the assembly efficiency.

[0024] The working principle of this utility model is as follows: When it is necessary to clean the impurities in the filter screen 51, move the locking block 8 out of the locking slot 412, then take out the sealing cover 5 and the filter screen 51, and then install the new sealing cover 5 with the filter screen 51 to complete the replacement of the filter screen 51. Then unscrew the bolt 7 on the old sealing cover 5 and remove the filter screen 51.

[0025] When water flows through the filter screen 51, the connecting column 53 transmits the impact of the filter screen 51 to the sealing cover 5, and then to the mounting part 41 through the connecting rod 6, thereby absorbing the impact force and preventing gaps from appearing on the mating surface between the filter screen 51 and the straight cylinder, which would affect the filtering work of the filter screen 51.

[0026] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

[0027] Although this document uses a variety of terms, the possibility of using other terms is not excluded. These terms are used merely for the convenience of describing and explaining the essence of this invention; interpreting them as any additional limitation would contradict the spirit of this invention.

Claims

1. A replaceable filter faucet, comprising a faucet body (1) and a three-way valve (2), wherein the faucet body (1) and the three-way valve (2) are connected, characterized in that: The three-way valve (2) is provided with a straight pipe (3), and a sealing cylinder (4) is installed outside the straight pipe (3). The sealing cylinder (4) has an installation part (41), and a sealing cover (5) is installed on the installation part (41). A filter screen (51) is installed inside the sealing cover (5). The straight pipe (3) is provided with a connecting part (31). A sealing part (511) is provided on the top of the filter screen (51). A slot (411) is provided on the installation part (41). A blind hole (52) is provided on the sealing cover (5). A connecting rod (6) is installed in the slot (411). The connecting rod (6) is inserted into the slot (411) and the blind hole (52).

2. A faucet with a replaceable filter element according to claim 1, characterized in that, The sealing cylinder (4) has a water outlet (42) on its side, and the three-way valve (2) has a water inlet (21) next to the straight pipe (3). A partition (22) is provided between the straight pipe (3) and the water inlet (21).

3. A faucet with a replaceable filter element according to claim 1, characterized in that, The filter screen (51) has a connecting post (53) at the bottom, and a screw hole (531) is opened at the bottom of the connecting post (53). A through hole (54) is opened on the sealing cover (5), and a bolt (7) passes through the through hole (54) and the screw hole (531).

4. A faucet with a replaceable filter element according to claim 1, characterized in that, The docking part (31) is provided with an annular groove (311), a sealing ring (32) is installed in the annular groove (311), and a sealing gasket (512) is installed on the sealing part (511).

5. A faucet with a replaceable filter cartridge according to claim 1, characterized in that, The slot (411) has slots (412) on both sides, and a locking block (8) is installed on the connecting rod (6). A spring (81) is installed between the locking block (8) and the connecting rod (6).

6. A faucet with a replaceable filter element according to claim 1, characterized in that, An annular boss (55) extends from the sealing cover (5), and a sealing ring (551) is installed on the annular boss (55).

7. A faucet with a replaceable filter element according to claim 1, characterized in that, A positioning block (413) extends from the mounting part (41), and a positioning groove (56) is provided on the sealing cover (5).

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