Ultrafine foreign matter filter convenient for replacing filter bag

By using a limiting and sliding mechanism to stabilize the filter bag, the problem of the locking column reversing under liquid impact is solved, enabling convenient replacement of the filter bag and improving the stability and efficiency of filter bag replacement.

CN223914810UActive Publication Date: 2026-02-17DIWAT TECH (HUAIAN) CO LTD
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Patent Information

Application Number
CN202520434375.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-12
Publication Date
2026-02-17
Estimated Expiration
2035-03-12

AI Technical Summary

Technical Problem

Existing bag filters are prone to shaking under liquid impact, causing the locking column to reverse and the filter bag to become unstable, making replacement difficult.

Method used

The design incorporates a limiting mechanism and a sliding mechanism. The limiting block and pulley slide on the slide rail to prevent the locking column from reversing. The pressing mechanism and the switching mechanism ensure the filter bag is securely fixed and can be easily replaced.

Benefits of technology

This technology enables the filter bags to be firmly fixed under liquid impact, simplifying the filter bag replacement process and improving replacement efficiency and safety.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223914810U_ABST
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Abstract

The utility model discloses an ultra-fine foreign matter filter convenient for replacing a filter bag, which relates to the technical field of filters, and is characterized in that a limiting mechanism comprises a limiting block, the top of the limiting block is of a 45-degree oblique angle, one end of the limiting block penetrates through the top of a fixing frame and is connected with a spring, one end of the spring is connected to the inner wall of the fixing frame, and the other end of the spring is connected with the filter bag. One side of the limiting block is fixedly connected with a moving block, so that after the locking column is rotated to enter the fixed block, the locking column is limited, and the locking column is prevented from rotating, thereby solving the problems that the locking column can rotate reversely, liquid needing to be filtered can generate impact force on a filter bag and drive the filter bag to shake when feeding is performed from a liquid inlet, and the locking column can rotate reversely; therefore, the filter bag is in a non-fixed state.
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Description

TECHNICAL FIELD

[0001] The utility model relates to filter technical field more specifically, it relates to a kind of super-micro foreign matter filter of filter bag convenient to replace. BACKGROUND

[0002] Bag filter is a kind of multipurpose filter equipment with novel structure, small volume, simple and flexible operation, energy saving, high efficiency, closed operation and strong applicability. Bag filter is a new type of filtration system. The bag filter is supported by a metal cylindrical filter screen inside the bag filter, liquid flows into the inlet, and the impurities are intercepted in the filter bag after being filtered by the filter bag.

[0003] According to the disclosure number CN218589840U, a kind of bag filter of filter bag convenient to replace, by rotating locking column, the both ends of locking column are respectively inserted into L type slot, the fixed pressure ring is fixed, to fix the filter bag below the pressure ring.

[0004] But the device does not consider that locking column can reverse, when feeding from inlet, the liquid needing to be filtered will generate impact force to filter bag, will drive filter bag to sway, will lead to the reverse of locking column, to cause filter bag to be in non-fixed state.

[0005] Therefore, in order to solve the above technical problems, the present application provides a kind of super-micro foreign matter filter of filter bag convenient to replace. UTILITY MODEL CONTENT

[0006] In view of the deficiencies existing in the prior art, the utility model aims at providing a kind of super-micro foreign matter filter of filter bag convenient to replace.

[0007] To achieve the above object, the utility model provides the following technical scheme: the super-micro foreign matter filter of filter bag convenient to replace includes filter cylinder, the fixed frame is arranged in the filter cylinder, the filter bag with hard open edge is placed on the top of the fixed frame,

[0008] Compression mechanism is arranged above the fixed frame, for the edge of filter bag is compressed to the top of fixed frame;

[0009] Limiting mechanism is arranged above the fixed frame, for the limiting mechanism is positioned to prevent filter bag from separating from the fixed of compression mechanism;

[0010] Sliding mechanism is arranged in the interior of fixed frame, for driving limiting mechanism to move up and down;

[0011] Switch mechanism is arranged on the top of fixed frame, for the sliding mechanism in the interior of fixed frame is cleaned;

[0012] The limiting mechanism comprises a limiting block, the top of the limiting block is a 45-degree bevel, one end of the limiting block is connected with a spring through the top of a fixing frame, one end of the spring is connected to the inner wall of the fixing frame, and one side of the limiting block is fixedly connected with a moving block.

[0013] Preferably, the sliding mechanism comprises a pulley, the limiting block is connected with the pulley on both sides, the pulley is provided with a track plate on both sides, and the track plate is provided with a sliding rail for the sliding of the pulley near the side of the pulley.

[0014] The up-and-down movement of the limiting block is smoother.

[0015] Preferably, the switch mechanism comprises a moving plate, the top of the fixing frame is provided with an opening, the moving plate is slidably connected below the opening, and the top of the moving plate is provided with a knob.

[0016] The moving plate can be opened to clean the sliding rail.

[0017] Preferably, the pressing mechanism comprises a fixed pressing ring, the top of the fixed pressing ring is fixedly connected with a locking column, and the top of the fixing frame is fixedly connected with two groups of fixed blocks.

[0018] The filter bag is pressed between the fixing frame and the fixed pressing ring.

[0019] Preferably, the top of the filter cylinder body is provided with a cover body, the bottom is connected with a base, and the bottom of the fixing frame is provided with a filter screen.

[0020] Preferably, the filter cylinder body is also provided with a liquid inlet, a liquid outlet and a sewage outlet, and one end of the liquid inlet extends to the top of the filter bag.

[0021] The liquid entering the liquid inlet directly enters the filter bag.

[0022] Preferably, the filter bag is a PE micron filter bag, and the opening is connected with a cloth tape.

[0023] The cloth tape can be directly twisted to take out the filter bag.

[0024] Compared with the prior art, the utility model has the following beneficial effects:

[0025] 1. By setting the limiting mechanism, the locking column can be limited after the locking column is rotated into the fixed block, so that the locking column is prevented from rotating, thereby solving the problem that the locking column is reversed, the liquid to be filtered will generate an impact force on the filter bag when the liquid enters the liquid inlet, the filter bag will be shaken, and the locking column will be reversed, so that the filter bag is in a non-fixed state.

[0026] 2. By setting up a sliding mechanism and a switching mechanism, and by setting pulleys to slide on the slide rail, the limit block can move up and down more smoothly. By moving the lever, the moving plate can be opened to clean the dirt or apply oil to the slide rail, making the limit block move up and down more smoothly. Attached Figure Description

[0027] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0028] Figure 1 This is a schematic diagram of the structure of this utility model;

[0029] Figure 2 This is a schematic diagram of the structure of the filter screen in this utility model;

[0030] Figure 3 This is a schematic diagram of the structure of the movable plate in this utility model;

[0031] Figure 4 This is a schematic diagram of the spring structure in this utility model;

[0032] Figure 5 This is a schematic diagram of the pulley structure in this utility model;

[0033] 1. Filter cylinder; 2. Cover; 3. Liquid inlet; 4. Liquid outlet; 5. Pulley; 6. Slide rail; 7. Spring; 8. Track plate; 9. Moving plate; 10. Fixing ring; 11. Locking post; 12. Filter bag; 13. Fixing frame; 14. Fabric belt; 15. Filter screen; 16. Fixing block; 17. Limiting block; 18. Pushing block; 19. Moving block. Detailed Implementation

[0034] like Figures 1-5 As shown, this utility model provides an ultrafine foreign matter filter that facilitates filter bag replacement, including a filter cylinder 1, a fixing frame 13 inside the filter cylinder 1, and a filter bag 12 with a rigid open edge placed on top of the fixing frame 13.

[0035] A pressing mechanism is provided above the fixing frame 13 to press the edge of the filter bag 12 against the fixing frame 13.

[0036] A limiting mechanism is installed above the fixed frame 13 to limit the pressing mechanism and prevent the filter bag 12 from falling off the fixing mechanism.

[0037] A sliding mechanism is installed inside the fixed frame 13 to drive the limiting mechanism to move up and down;

[0038] A switch mechanism is arranged on the top of the fixed frame 13 and used for cleaning the sliding mechanism inside the fixed frame 13.

[0039] The limiting mechanism comprises a limiting block 17, the top of which is provided with a 45-degree angle, one end of the limiting block 17 is connected with a spring 7 penetrating through the top of the fixed frame 13, one end of the spring 7 is connected with the inner wall of the fixed frame 13, and one side of the limiting block 17 is fixedly connected with a moving block 19.

[0040] The pressing mechanism comprises a fixed pressing ring 10, the top of which is fixedly connected with a locking column 11, and the top of the fixed frame 13 is fixedly connected with two groups of fixed blocks 16.

[0041] The filter cylinder 1 is further provided with an inlet 3, an outlet 4 and a sewage outlet, the inlet 3 extends to the top of the filter bag 12.

[0042] The filter cylinder 1 is provided with a cover 2 on the top and a base on the bottom, and the fixed frame 13 is provided with a filter screen 15 on the bottom.

[0043] The filter bag 12 is a PE micron filter bag 12 and is connected with a cloth tape 14.

[0044] The hard edge of the opening of the filter bag 12 is placed above the fixed frame 13, the fixed pressing ring 10 is placed above the filter bag 12, the locking column 11 is rotated clockwise, one end of the locking column 11 presses one side of the limiting block 17 provided with a 45-degree angle, the limiting block 17 is compressed and moves downward, after the locking column 11 enters the fixed block 16, the spring 7 releases the elastic potential energy and tightly abuts the top of the limiting block 17 to the fixed block 16, so as to prevent the locking column 11 from moving, when the filter screen 15 is taken out, the moving block 19 is pressed and the locking column 11 is counterclockwise rotated, so that the fixed pressing ring 10 can be taken out, the cloth tape 14 is twisted, and the filter bag 12 can be taken out.

[0045] The sliding mechanism comprises a pulley 5, the limiting block 17 is connected with the pulley 5 on both sides, the pulley 5 is provided with a track plate 8 on both sides, and the track plate 8 is provided with a sliding rail 6 for the sliding of the pulley 5 near the pulley 5.

[0046] The switch mechanism comprises a moving plate 9, the top of the fixed frame 13 is provided with an opening, the moving plate 9 is slidably connected below the opening, and the moving plate 9 is provided with a knob 18 on the top.

[0047] The pulley 5 is arranged on both sides of the limiting plate, the sliding rail 6 is arranged in the fixed frame 13, the limiting block 17 moves up and down more smoothly, the knob 18 is rotated, the moving plate 9 is opened, the sliding rail 6 is cleaned or oiled, and the limiting block 17 moves up and down more smoothly.

[0048] The above is only a preferred embodiment of the present application, and does not limit the present application in any form; any ordinary technical personnel in the industry can smoothly implement the present application according to the drawings shown in the specification and the above description; however, any equivalent changes, modifications and evolutions made by the skilled in the art within the scope of the technical scheme of the present application, using the above disclosed technical content, are equivalent embodiments of the present application; at the same time, any equivalent changes, modifications and evolutions made according to the essential technology of the present application to the above embodiments are still within the protection scope of the technical scheme of the present application.

Claims

1. An ultrafine foreign matter filter with easy-to-replace filter bags, characterized in that, The ultra-fine foreign matter filter convenient for replacing the filter bag comprises: A filter cylinder (1) is internally provided with a fixing frame (13), and a hard open edge filter bag (12) is placed above the fixing frame (13); A pressing mechanism is arranged above the fixing frame (13) and is used for pressing the edge of the filter bag (12) above the fixing frame (13); A limiting mechanism is arranged above the fixing frame (13) and is used for limiting the pressing mechanism to prevent the filter bag (12) from being separated from the fixing of the pressing mechanism; A sliding mechanism is arranged in the interior of the fixing frame (13) and is used for driving the limiting mechanism to move up and down; A switch mechanism is arranged on the top of the fixing frame (13) and is used for cleaning the sliding mechanism in the interior of the fixing frame (13); The limiting mechanism comprises a limiting block (17), the top of the limiting block (17) is provided with a 45-degree inclined angle, one end of the limiting block (17) penetrates through the top of the fixing frame (13) and is connected with a spring (7), one end of the spring (7) is connected with the inner wall of the fixing frame (13), and one side of the limiting block (17) is fixedly connected with a moving block (19).

2. The ultra-fine particle filter with replaceable filter bag according to claim 1, characterized in that: The sliding mechanism comprises a pulley (5), the limiting block (17) is connected with the pulley (5) on both sides, the pulley (5) is provided with a track plate (8) on both sides, and the track plate (8) is provided with a sliding rail (6) for sliding of the pulley (5) near the pulley (5) side.

3. The ultra-fine particle filter with replaceable filter bag according to claim 2, characterized in that: The switch mechanism comprises a moving plate (9), the top of the fixing frame (13) is provided with an opening, the moving plate (9) is slidably connected below the opening, and the top of the moving plate (9) is provided with a dial block (18).

4. The ultra-fine particle filter with replaceable filter bag according to claim 3, characterized in that: The pressing mechanism comprises a fixed pressing ring (10), the top of the fixed pressing ring (10) is fixedly connected with a locking column (11), and the top of the fixing frame (13) is fixedly connected with two groups of fixed blocks (16).

5. The ultrafine particle filter with replaceable filter bag according to claim 4, wherein: The top of the filter cylinder (1) is provided with a cover body (2), and the bottom is connected with a base, and the bottom of the fixing frame (13) is provided with a filter screen (15).

6. The ultrafine particle filter with replaceable filter bag according to claim 5, wherein: The filter cylinder (1) is further provided with a liquid inlet (3), a liquid outlet (4) and a sewage outlet, and one end of the liquid inlet (3) extends to directly above the filter bag (12).

7. The ultrafine particulate filter with replaceable filter bag of claim 6, wherein: The filter bag (12) is a PE micron filter bag (12), and a cloth tape (14) is connected to the opening.

Citation Information

Patent Citations

  • Bag type filter convenient for replacing filter bag

    CN218589840U