Liquid filter capable of being detachably cleaned

By introducing cleaning and installation components into the liquid filter, the problem of low efficiency in cleaning scale inside the housing is solved, enabling efficient disassembly and cleaning, facilitating the separation and cleaning of the filter frame, and improving the overall performance of the filter.

CN223774429UActive Publication Date: 2026-01-09TIANJIN SCIENAR INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202520203346.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-10
Publication Date
2026-01-09
Estimated Expiration
2035-02-10

AI Technical Summary

Technical Problem

Existing liquid filters may accumulate scale on the bottom inside the housing during use, leading to low efficiency in disassembly and cleaning.

Method used

A removable and washable liquid filter is designed, employing a cleaning component and an installation component. The cleaning component includes an annular scraper and a scraper plate, which clean the bottom inside the housing. The installation component prevents clogging through a separate design of the auxiliary filter cartridge and filter frame.

Benefits of technology

It improves the disassembly efficiency and cleaning portability of liquid filters, ensures the cleanliness of the inside of the housing, prevents clogging at the bottom of the filter frame, and extends the service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a liquid filter capable of being detachably cleaned, which belongs to the technical field of liquid filters and comprises a shell, an annular stepped groove is arranged on the top side in the shell, an annular frame is arranged in the annular stepped groove, and two sides of the bottom of the annular frame are fixedly connected with connecting frames. According to the filter frame disclosed by the utility model, when the filter frame needs to be disassembled, the cover body and the shell are firstly disassembled, at the moment, the acting force of a first spring drives a baffle plate, a connecting rod, an arc-shaped plate, an annular plate and an annular cylinder to move upwards, and the annular cylinder drives an annular block, an annular scraping block and a scraping plate to rotate through an arc-shaped groove and a guide rod in the upward moving process; the bottom side of the interior of the shell is cleaned through an annular scraping block and a scraping plate so as to clean impurities and scale on the bottom side of the interior of the shell, then a worker operates an arc-shaped plate to drive a filter frame to move upwards, at the moment, the annular scraping block can continuously clean the inner wall of the shell, and then the disassembling effect and the auxiliary cleaning effect of a product are guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to liquid filter technical field especially relates to a detachable cleaning liquid filter. BACKGROUND

[0002] Liquid filter is indispensable on the medium pipeline of conveying device, usually installs in the import end of pressure reducing valve, pressure relief valve, fixed water level valve or other equipment, is used to eliminate the impurity in medium, to protect the normal use of valve and equipment, when fluid enters the filter cartridge that is provided with a certain specification filter screen, its impurities are blocked, and clean filtrate is discharged from the filter outlet, when the equipment is used for a long time, the filter screen will be blocked, so the equipment needs to be disassembled and cleaned.

[0003] Such as Chinese patent document (CN220696011U) a kind of liquid filter filter basket and liquid filter, wherein the surface of filter basket is provided with several filter holes, filter basket includes folding part, folding part is folded from the surface of filter basket to the inside and / or outside of filter basket, the beneficial effects of this application are that folding part can expand the surface area of filter basket, in turn increase the filter area of filter basket, prolong the service life of filter basket, reduce the cleaning frequency of filter basket, but the product in use process, scale may be generated in the bottom side of shell interior, it is inconvenient to clean in the process of disassembly, resulting in the influence on the overall disassembly cleaning efficiency of product, therefore, need to be improved. UTILITY MODEL CONTENT

[0004] The utility model aims at: in order to solve the problem that the shell interior bottom side in prior art in use process can produce scale, it is inconvenient to clean in the process of disassembly, resulting in the influence on the overall disassembly cleaning efficiency of product, and a kind of detachable cleaning liquid filter is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A kind of detachable cleaning liquid filter, including shell, annular stepped groove is set up in the top side of shell interior, annular stepped groove inside is provided with annular frame, the both sides of annular frame bottom are fixedly connected with connecting frame, the filter frame is connected in the bottom of connecting frame, auxiliary filter cartridge is arranged in the inside center of filter frame, a plurality of installation components are arranged in the bottom of auxiliary filter cartridge, cleaning assembly is arranged in the inside of filter frame;

[0007] The cleaning assembly comprises a first cavity, a second cavity and a connecting rod, the outer periphery of the connecting rod is sleeved with a first spring, the bottom end of the connecting rod extends to the inside of the second cavity and is fixedly connected with an annular plate, the bottom of the annular plate is fixedly connected with an annular cylinder, the annular plate and the annular cylinder are both slidingly connected in the filter frame, an arc-shaped groove is formed in the inside of the annular cylinder, guide rods are arranged on both sides of the inside of the arc-shaped groove, the other ends of the guide rods are fixedly connected with annular blocks, the bottom end of each annular block extends to the outside of the filter frame and is fixedly connected with an annular scraping block, and the bottom of each annular scraping block is fixedly connected with a scraping plate.

[0008] As a further description of the above technical solution:

[0009] The first cavity and the second cavity are respectively located in the connecting frame and the filter frame, and the connecting rod is slidingly connected in the first cavity, the second cavity and the annular frame.

[0010] As a further description of the above technical solution:

[0011] The top of the first spring is fixedly connected with the inner wall of the connecting frame, the bottom of the first spring is fixedly connected with a baffle, and the baffle is fixedly connected to the outer periphery of the connecting rod.

[0012] As a further description of the above technical solution:

[0013] The top end of the connecting rod extends to the inside of the annular frame and is fixedly connected with an arc-shaped plate, the arc-shaped plate is slidingly connected in the annular frame, and the annular blocks are rotatably connected in the filter frame through bearings.

[0014] As a further description of the above technical solution:

[0015] The top of the filter frame is provided with a cover, the cover is fixedly connected to the top of the shell through screws, one side of the top of the shell is communicated with a water inlet, one side of the bottom of the shell is communicated with a water outlet, and the bottom of the shell is communicated with a impurity discharge port.

[0016] As a further description of the above technical solution:

[0017] The mounting assembly comprises a fixed block and a fourth cavity, the fourth cavity is located in the bottom side of the filter frame, the fixed block is slidingly connected in the fourth cavity, the third cavities are arranged on both sides of the fixed block, the third cavities are located in the filter frame, and the third cavities are communicated with the fourth cavity.

[0018] As a further description of the above technical solution:

[0019] One side of the third cavity is provided with a second spring, one side of the second spring is fixedly connected with the inner wall of the filter frame, the other side of the second spring is fixedly connected with a clamping block, and the clamping block is slidingly connected in the third cavity.

[0020] As a further description of the above technical solution:

[0021] The fixing block has slots on both sides inside, and the block engages with the slots.

[0022] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are:

[0023] 1. In this utility model, through the cleaning components, when the filter frame needs to be disassembled, the cover and the shell are disassembled first. At this time, the force of the first spring drives the baffle, connecting rod, arc plate, annular plate and annular cylinder to move upward. During the upward movement of the annular cylinder, the annular block, annular scraper and scraper will rotate through the arc groove and guide rod. The annular scraper and scraper clean the bottom inside of the shell to clean the impurities and scale on the bottom inside of the shell. Afterward, the operator operates the arc plate to move the filter frame upward. At this time, the annular scraper will continue to clean the inner wall of the shell, thereby ensuring the disassembly effect and auxiliary cleaning effect of the product.

[0024] 2. In this utility model, by setting the installation components, the auxiliary filter cartridge is first operated to move the fixing block into the fourth cavity. When the bottom of the auxiliary filter cartridge contacts the top side of the filter frame, the second spring will drive the locking block into the slot opened inside the fixing block to fix the installation position of the fixing block and the auxiliary filter cartridge. The auxiliary filter cartridge assists in filtering the filter frame, preventing the bottom of the filter frame from becoming blocked during the liquid filtration process, thereby ensuring the overall filtration effect of the product. Moreover, the separate auxiliary filter cartridge and filter frame design improves the cleanliness and portability of the product. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model;

[0026] Figure 2 This is a schematic cross-sectional view of the overall structure of this utility model;

[0027] Figure 3 In this utility model Figure 2 A magnified schematic diagram of the structure at point A;

[0028] Figure 4 In this utility model Figure 2 A magnified schematic diagram of the structure at point B;

[0029] Figure 5 This is a schematic diagram of the overall three-dimensional structure of the annular cylinder in this utility model;

[0030] Figure 6 In this utility model Figure 2 A magnified schematic diagram of the structure at point C.

[0031] Legend:

[0032] 1. Shell; 2. Cover; 3. Filter frame; 4. Connecting frame; 5. Annular frame; 6. Cleaning assembly; 601. First cavity; 602. Connecting rod; 603. First spring; 604. Baffle; 605. Arc plate; 606. Second cavity; 607. Annular plate; 608. Annular cylinder; 609. Arc groove; 610. Guide rod; 611. Annular block; 7. Auxiliary filter cartridge; 8. Mounting assembly; 801. Fixing block; 802. Third cavity; 803. Second spring; 804. Locking block. Detailed Implementation

[0033] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0034] Please see Figures 1-6 This utility model provides a technical solution: a detachable and washable liquid filter, including a housing 1, an annular stepped groove is provided on the top side inside the housing 1, an annular frame 5 is provided inside the annular stepped groove, connecting frames 4 are fixedly connected to both sides of the bottom of the annular frame 5, a filter frame 3 is connected to the bottom of the connecting frame 4, an auxiliary filter cylinder 7 is provided at the center inside the filter frame 3, multiple installation components 8 are provided at the bottom of the auxiliary filter cylinder 7, and a cleaning component 6 is provided inside the filter frame 3.

[0035] Cleaning component 6 includes a first cavity 601, a second cavity 606, and a connecting rod 602. A first spring 603 is sleeved on the outer periphery of the connecting rod 602. The bottom end of the connecting rod 602 extends into the second cavity 606 and is fixedly connected to an annular plate 607. An annular cylinder 608 is fixedly connected to the bottom of the annular plate 607. Both the annular plate 607 and the annular cylinder 608 are slidably connected inside the filter frame 3. An arc-shaped groove 609 is formed inside the annular cylinder 608. Guide rods 610 are provided on both sides inside the arc-shaped groove 609. An annular block 611 is fixedly connected to the other end of the guide rod 610. The bottom end of the annular block 611 extends to the outside of the filter frame 3 and is fixedly connected to an annular scraper. Scrapers are fixedly connected to both sides of the bottom of the annular scraper. The first cavity 601 and the second cavity 606 are respectively Located inside the connecting frame 4 and the filter frame 3, the connecting rod 602 is slidably connected inside the first cavity 601, the second cavity 606 and the annular frame 5. The top of the first spring 603 is fixedly connected to the inner wall of the connecting frame 4, and the bottom of the first spring 603 is fixedly connected to a baffle 604. The baffle 604 is fixedly connected to the outer periphery of the connecting rod 602. The top of the connecting rod 602 extends into the annular frame 5 and is fixedly connected to an arc plate 605. The arc plate 605 is slidably connected inside the annular frame 5. The annular block 611 is rotatably connected to the filter frame 3 through a bearing. The top of the filter frame 3 is provided with a cover 2. The cover 2 is fixedly connected to the top of the housing 1 by screws. One side of the top of the housing 1 is connected to a water inlet, one side of the bottom of the housing 1 is connected to a water outlet, and the bottom of the housing 1 is connected to a waste discharge port.

[0036] Detailed Implementation: The filter frame 3 is placed inside the housing 1. At this time, the annular frame 5 is installed inside the annular stepped groove to limit the installation of the filter frame 3. Then, the cover 2 is installed on the top of the housing 1 with screws. The liquid is filtered through the filter frame 3. When it is necessary to disassemble the filter frame 3, the cover 2 and the housing 1 are disassembled with external tools. At this time, the force of the first spring 603 drives the baffle 604, connecting rod 602, arc plate 605, annular plate 607 and annular cylinder 608 to move upward. The annular cylinder 608 moves upward. During the movement, the annular block 611 will rotate through the arc groove 609 and the guide rod 610. The power is transmitted to the annular scraper and scraper by the linkage effect between the annular block 611, the annular scraper and scraper. The annular scraper and scraper clean the bottom inside of the housing 1 to remove impurities and scale. Afterwards, the operator operates the arc plate 605 to move the filter frame 3 upward. At this time, the annular scraper will continue to clean the inner wall of the housing 1, thus ensuring the disassembly effect and auxiliary cleaning effect of the product.

[0037] The mounting assembly 8 includes a fixing block 801 and a fourth cavity. The fourth cavity is located inside the bottom side of the filter frame 3. The fixing block 801 is slidably connected inside the fourth cavity. A third cavity 802 is provided on both sides of the fixing block 801. The third cavity 802 is located inside the filter frame 3 and is connected to the fourth cavity. A second spring 803 is provided on one side inside the third cavity 802. One side of the second spring 803 is fixedly connected to the inner wall of the filter frame 3. A locking block 804 is fixedly connected to the other side of the second spring 803. The locking block 804 is slidably connected inside the third cavity 802. The fixing block 801 has slots on both sides inside, and the locking block 804 engages with the slots.

[0038] Detailed implementation: First, operate the auxiliary filter cartridge 7 to move the fixing block 801 into the fourth cavity. At this time, the fixing block 801 will first squeeze the locking block 804 and the second spring 803. When the bottom of the auxiliary filter cartridge 7 contacts the top side of the filter frame 3, the second spring 803 will drive the locking block 804 into the slot opened inside the fixing block 801 to fix the installation position of the fixing block 801 and the auxiliary filter cartridge 7. The auxiliary filter cartridge 7 assists in filtering the filter frame 3, preventing the bottom of the filter frame 3 from becoming blocked during the liquid filtration process, thereby ensuring the overall filtration effect of the product. Furthermore, the separate design of the auxiliary filter cartridge 7 and the filter frame 3 improves the cleanliness and portability of the product.

[0039] Working principle: In use, first operate the auxiliary filter cartridge 7 to move the fixing block 801 into the fourth cavity. At this time, the fixing block 801 will first press the locking block 804 and the second spring 803. When the bottom of the auxiliary filter cartridge 7 contacts the top side of the filter frame 3, the second spring 803 will drive the locking block 804 into the slot opened inside the fixing block 801 to fix the installation position of the fixing block 801 and the auxiliary filter cartridge 7. Then, the filter frame 3 is placed inside the housing 1. At this time, the annular frame 5 is installed inside the annular stepped groove to limit the installation of the filter frame 3. Finally, the cover 2 is installed on the top of the housing 1 with screws. The liquid is filtered through the filter frame 3. When the filter frame 3 needs to be disassembled, the cover 2 and the housing 1 are first disassembled using external tools. At this time, the force of the first spring 603 drives the baffle 604, connecting rod 602, arc plate 605, annular plate 607 and annular cylinder 608 to move upward. During the upward movement of the annular cylinder 608, the annular block 611 will rotate through the arc groove 609 and guide rod 610. By utilizing the linkage effect between the annular block 611, the annular scraper and the scraper, the power is transmitted to the annular scraper and the scraper. The annular scraper and the scraper clean the bottom inside of the housing 1, which is convenient to use.

[0040] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A removable and washable liquid filter, comprising a housing (1), characterized in that: The housing (1) has an annular stepped groove on the top side inside, and an annular frame (5) is provided inside the annular stepped groove. A connecting frame (4) is fixedly connected to both sides of the bottom of the annular frame (5). A filter frame (3) is connected to the bottom of the connecting frame (4). An auxiliary filter cylinder (7) is provided at the center inside the filter frame (3). Multiple installation components (8) are provided at the bottom of the auxiliary filter cylinder (7). A cleaning component (6) is provided inside the filter frame (3). The cleaning component (6) includes a first cavity (601), a second cavity (606), and a connecting rod (602). A first spring (603) is sleeved on the outer periphery of the connecting rod (602). The bottom end of the connecting rod (602) extends into the second cavity (606) and is fixedly connected to an annular plate (607). An annular cylinder (608) is fixedly connected to the bottom of the annular plate (607). The annular plate (607) and the annular cylinder (608) are slidably connected inside the filter frame (3). An arc-shaped groove (609) is opened inside the annular cylinder (608). Guide rods (610) are provided on both sides inside the arc-shaped groove (609). An annular block (611) is fixedly connected to the other end of the guide rod (610). The bottom end of the annular block (611) extends to the outside of the filter frame (3) and is fixedly connected to an annular scraper. Scrapers are fixedly connected to both sides of the bottom of the annular scraper.

2. The removable and washable liquid filter according to claim 1, characterized in that: The first cavity (601) and the second cavity (606) are located inside the connecting frame (4) and the filter frame (3) respectively, and the connecting rod (602) is slidably connected inside the first cavity (601), the second cavity (606) and the annular frame (5).

3. A removable and washable liquid filter according to claim 2, characterized in that: The top of the first spring (603) is fixedly connected to the inner wall of the connecting frame (4), and a baffle (604) is fixedly connected to the bottom of the first spring (603). The baffle (604) is fixedly connected to the outer periphery of the connecting rod (602).

4. A removable and washable liquid filter according to claim 3, characterized in that: The top end of the connecting rod (602) extends into the interior of the annular frame (5) and is fixedly connected to an arc plate (605). The arc plate (605) is slidably connected inside the annular frame (5), and the annular block (611) is rotatably connected inside the filter frame (3) through a bearing.

5. A removable and washable liquid filter according to claim 4, characterized in that: The filter frame (3) is provided with a cover (2) on top. The cover (2) is fixedly connected to the top of the housing (1) by screws. The top side of the housing (1) is connected to a water inlet, the bottom side of the housing (1) is connected to a water outlet, and the bottom of the housing (1) is connected to a waste discharge port.

6. A removable and washable liquid filter according to claim 5, characterized in that: The installation assembly (8) includes a fixing block (801) and a fourth cavity. The fourth cavity is located inside the bottom side of the filter frame (3). The fixing block (801) is slidably connected inside the fourth cavity. A third cavity (802) is provided on both sides of the fixing block (801). The third cavity (802) is located inside the filter frame (3) and is connected to the fourth cavity.

7. A removable and washable liquid filter according to claim 6, characterized in that: A second spring (803) is provided on one side of the third cavity (802). One side of the second spring (803) is fixedly connected to the inner wall of the filter frame (3), and a locking block (804) is fixedly connected to the other side of the second spring (803). The locking block (804) is slidably connected inside the third cavity (802).

8. A removable and washable liquid filter according to claim 7, characterized in that: The fixing block (801) has slots on both sides inside, and the locking block (804) engages with the slots.

Citation Information

Patent Citations

  • Filter basket of liquid filter and liquid filter

    CN220696011U