High-precision filter bag

By designing structures such as mounts and reset components, the rapid installation and disassembly of high-precision filter bags is achieved, solving the problem of low installation efficiency of existing filter bags and equipment, and improving installation efficiency.

CN222854783UActive Publication Date: 2025-05-13SHANGHAI CGC FILTER MATERIAL CO LTD

Patent Information

Application Number
CN202421877602.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-05
Publication Date
2025-05-13
Estimated Expiration
2034-08-05

AI Technical Summary

Technical Problem

The existing high-precision filter bags and equipment are inconvenient to install, and cannot be quickly connected to the equipment through the filter bag ring, which affects the installation efficiency when replacing the filter bag.

Method used

A high-precision filter filter bag is designed, using structures such as mounting base, support block, card block, limit slot and reset components. Through the coordination of card block and card slot, rapid installation and disassembly are achieved; at the same time, sealing is used to ensure the filtering effect.

Benefits of technology

It realizes rapid installation and disassembly of filter bags, improves the installation efficiency of filter bags and equipment, and solves the problem of low installation efficiency of existing filter bags.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222854783U_ABST
    Figure CN222854783U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of filter bags, and discloses a high-precision filter bag which comprises a mounting seat, a supporting block is fixedly connected to the top of the mounting seat, a limiting groove is formed in the supporting block, a clamping block is slidably connected to the interior of the limiting groove, a limiting plate is fixedly connected to one side of the clamping block, and the limiting plate is fixedly connected to the other side of the clamping block. A limiting groove is formed in the top of the mounting seat, a reset assembly is arranged in the limiting groove, an extension ring is fixedly connected to the top of the mounting seat, a connecting ring is arranged at the top of the mounting seat, a clamping groove is formed in the connecting ring, the outer wall of the clamping block is slidably connected to the interior of the clamping groove, and filter cloth is fixedly connected to one side of the connecting ring. According to the filter bag, the filter bag cloth is clamped into the clamping blocks through the clamping grooves by the connecting rings, the clamping blocks are squeezed into the limiting grooves, and the clamping blocks are reset through the springs after being clamped in place, so that the effect of quick mounting and dismounting is achieved, the problem of low mounting efficiency when the filter bag is replaced is solved, and the mounting efficiency of the filter bag is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of filter bags, in particular to a high-precision filter bag. Background Art

[0002] High-precision filter bags are a type of filter bag used for fine filtration, commonly used in industrial fields to filter air and liquids to remove tiny particles and impurities. These filter bags have high filtration accuracy and efficiency, and can effectively capture particles ranging in size from a few microns to hundreds of microns.

[0003] After searching, a new type of ultrafine fiber high-precision filter bag is disclosed in the announcement number: CN206549312U. The new type of ultrafine fiber high-precision filter bag includes a filter bag ring, a handle, a filter cloth piece one and a filter cloth piece two. The utility model designs a new type of ultrafine fiber high-precision filter bag. The new type of ultrafine fiber high-precision filter bag adopts a full hot-melt method to fix the filter cloth and the filter bag ring together, thus avoiding the pinholes left by the sewing method and improving the filtering accuracy; the filter cloth piece one and the filter cloth piece two in the filter bag adopt multiple layers of filter cloth layers, which greatly improves the filtering effect; 1µ-25µ absolute accuracy, can achieve 99% filtering efficiency, which is a great improvement over other filter bags; the filter bag ring adopts an inverted ring to completely prevent side leakage. In short, the new type of ultrafine fiber high-precision filter bag has a reasonable structural design, is easy and quick to use and replace, and is suitable for popularization and use. However, this patent only solves the problem of using an inverted filter bag ring to completely prevent side leakage, but does not solve the problem of the inconvenience of installing the filter bag and the equipment. The filter bag ring and the equipment cannot be quickly connected, which affects the installation efficiency when replacing the filter bag. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a high-precision filter bag, which improves the problem that the filter bag and the equipment are inconvenient to install, and the filter bag ring and the equipment cannot be quickly connected, which affects the installation efficiency when replacing the filter bag.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A high-precision filter bag comprises a mounting seat, a support block is fixedly connected to the top of the mounting seat, a limiting groove is provided inside the support block, a clamping block is slidably connected inside the limiting groove, a limiting plate is fixedly connected to one side of the clamping block, a reset assembly is arranged inside the limiting groove, an extension ring is fixedly connected to the top of the mounting seat, a connecting ring is arranged on the top of the mounting seat, a clamping groove is provided inside the connecting ring, the outer wall of the clamping block is slidably connected to the inside of the clamping groove, and a filter cloth is fixedly connected to one side of the connecting ring.

[0007] Through the above technical solution, the mounting seat is used to connect the connecting ring, which is fixed by the clamping block inside the supporting block being engaged in the clamping groove on the connecting ring. The reset assembly is used to reset and support the clamping block. The filter cloth is fixed by the connecting ring and installed on the mounting seat. The clamping block is limited inside the limiting groove by the limiting plate.

[0008] Furthermore, the reset assembly includes a support rod, a spring and a pinch block, wherein the spring is arranged on the outer wall of the support rod, and one end of the pinch block is fixedly connected to one end of the support rod.

[0009] Through the above technical solution, the support rod is used to connect the pinch block, and the spring is limited by the support ring.

[0010] Furthermore, one end of the spring is fixedly connected to one side of the limit plate, the other end of the spring is fixedly connected to the inside of the support block, the other end of the support rod is fixedly connected to one side of the limit plate, and the outer wall of the support rod is slidably connected to the inside of the support block.

[0011] Through the above technical solution, the pinching block is pulled to drive the support rod to retract the clamping block into the support block through the limit plate, and the pinching block is released to reset through the supporting force of the spring.

[0012] Furthermore, a groove 1 is provided inside the mounting seat, a sealing ring 1 is provided inside the groove 1, and the top of the sealing ring 1 is attached to the bottom of the connecting ring.

[0013] Through the above technical solution, groove one is used to install sealing ring one, and sealing ring one is used to seal the bottom of the connecting ring and the mounting seat.

[0014] Furthermore, a second groove is provided inside the connecting ring, a second sealing ring is provided inside the second groove, and an inner wall of the second sealing ring is attached to the outer wall of the extension ring.

[0015] Through the above technical solution, the second groove is used to install the second sealing ring on the connecting ring, and the second sealing ring is used to seal the gap between the extension ring and the connecting ring.

[0016] Furthermore, a filter layer is arranged inside the filter cloth, and the filter layer is fixed between the filter cloths.

[0017] Through the above technical solution, the filter layer is made of fiber polyester, which can effectively improve the filtering accuracy.

[0018] The utility model has the following beneficial effects:

[0019] The utility model discloses that filter bag cloth is inserted into the clamping block through the clamping slot via the connecting ring, and the clamping block is squeezed into the limiting groove. After being locked into place, the clamping block is reset by the spring, thereby achieving the effect of quick installation and disassembly, solving the problem that the filter bag and the equipment are inconvenient to install, the filter bag ring and the equipment cannot be quickly connected, which affects the installation efficiency when replacing the filter bag, thereby improving the installation efficiency of the filter bag. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 A three-dimensional schematic diagram of a high-precision filter bag proposed by the utility model;

[0021] Figure 2 This is a schematic diagram of the internal structure of a support block of a high-precision filter bag proposed by the utility model;

[0022] Figure 3 The utility model is a schematic diagram of the internal structure of the filter cloth of a high-precision filter bag.

[0023] Legend:

[0024] 1. Mounting seat; 2. Support block; 3. Connecting ring; 4. Limiting groove; 5. Clamping block; 6. Limiting plate; 7. Support rod; 8. Spring; 9. Pinch block; 10. Slot 1; 11. Sealing ring 1; 12. Extension ring; 13. Slot 2; 14. Sealing ring 2; 15. Filter cloth; 16. Clamping slot; 17. Filter layer. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Reference Figure 1-3, an embodiment of the utility model provides: a high-precision filtering filter bag, including a mounting seat 1, a supporting block 2 is fixedly connected to the top of the mounting seat 1, a limiting groove 4 is provided inside the supporting block 2, a clamping block 5 is slidably connected inside the limiting groove 4, one side of the clamping block 5 is fixedly connected to the limiting plate 6, a reset component is arranged inside the limiting groove 4, an extension ring 12 is fixedly connected to the top of the mounting seat 1, a connecting ring 3 is provided at the top of the mounting seat 1, a clamping groove 16 is provided inside the connecting ring 3, the outer wall of the clamping block 5 is slidably connected to the inside of the clamping groove 16, and a filter cloth 15 is fixedly connected to one side of the connecting ring 3, the reset component includes a support rod 7, a spring 8 and a pinching block 9, the spring 8 is arranged on the outer wall of the support rod 7, one end of the pinching block 9 is fixedly connected to one end of the support rod 7, one end of the spring 8 is fixedly connected to one side of the limiting plate 6, the other end of the spring 8 is fixedly connected to the inside of the supporting block 2, the other end of the support rod 7 is fixedly connected to one side of the limiting plate 6, and the outer wall of the support rod 7 is slidably connected to the inside of the supporting block 2;

[0027] Specifically, the mounting base 1 is fixed at the air inlet of the equipment, and then the filter cloth 15 is installed on the mounting base 1 through the connecting ring 3. The block 5 is wedge-shaped. When the connecting ring 3 is installed, the inclined side of the block 5 will push the block 5 to slide into the support block 2. The block 5 is limited in the limit groove 4 by the limit plate 6. Then, after being installed in place, the block 5 will be pushed out and reset by the support of the spring 8. The spring 8 is limited by the support rod 7, and the block 5 will be stuck in the slot 16 to fix the connecting ring 3. The block 5 can be retracted into the support block 2 by pulling the support rod 7 by pinching the block 9, and the connecting ring 3 can be separated from the mounting base 1, so as to achieve the effect of quick installation and disassembly.

[0028] The mounting seat 1 is provided with a slot 10 inside, a sealing ring 11 is provided inside the slot 10, the top of the sealing ring 11 is attached to the bottom of the connecting ring 3, a slot 2 13 is provided inside the connecting ring 3, a sealing ring 2 14 is provided inside the slot 2 13, the inner wall of the sealing ring 2 14 is attached to the outer wall of the extension ring 12, and a filter layer 17 is provided inside the filter cloth 15;

[0029] Specifically, the sealing ring 11 is inserted into the mounting seat 1 through the groove 10 to seal the bottom of the connecting ring 3 and the mounting seat 1. The sealing ring 14 is installed on the inner wall of the connecting ring 3 through the groove 13 to seal the inner wall of the connecting ring 3 and the extension ring 12. The filter layer 17 is made of fiber polyester, which can effectively improve the filtering accuracy and thus achieve effective filtration.

[0030] Working principle: When using a high-precision filter bag, first install the mounting base 1 on the equipment, then embed the sealing ring 2 14 in the slot 2 13 inside the connecting ring 3, then install the filter cloth 15 on the connecting ring 3, and install the connecting ring 3 on the mounting base 1. At this time, the block 5 will be squeezed into the support block 2 by the connecting ring 3. After installation, the block 5 will be reset due to the action of the spring 8, and the block 5 will be inserted into the slot 16 on the connecting ring 3 through the limit plate 6. The extension ring 12 will fit on the inner wall of the connecting ring 3, and the sealing ring 2 14 will be embedded in the slot 2 13 opened inside the connecting ring 3. The sealing ring 2 14 will fit on the outer wall of the extension ring 12, and the bottom of the connecting ring 3 will fit on the top of the sealing ring 11. The quota and between the sealing ring 11 and the sealing ring 2 14 are used to achieve a sealing effect. Then the equipment will filter through the filter layer 17, and the joints of the filter cloth 15 and the filter layer 17 are ultrasonically welded to ensure that there is no gap to ensure high-precision filtering.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. 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 high-precision filter bag, comprising a mounting seat (1), characterized in that: The top of the mounting seat (1) is fixedly connected to a support block (2), a limiting groove (4) is provided inside the support block (2), a clamping block (5) is slidably connected inside the limiting groove (4), one side of the clamping block (5) is fixedly connected to a limiting plate (6), a reset component is provided inside the limiting groove (4), an extension ring (12) is fixedly connected to the top of the mounting seat (1), a connecting ring (3) is provided on the top of the mounting seat (1), a clamping groove (16) is provided inside the connecting ring (3), an outer wall of the clamping block (5) is slidably connected inside the clamping groove (16), and one side of the connecting ring (3) is fixedly connected to a filter cloth (15).

2. A high-precision filter bag according to claim 1, characterized in that: The reset assembly comprises a support rod (7), a spring (8) and a pinch block (9); the spring (8) is arranged on the outer wall of the support rod (7); and one end of the pinch block (9) is fixedly connected to one end of the support rod (7).

3. A high-precision filter bag according to claim 2, characterized in that: One end of the spring (8) is fixedly connected to one side of the limit plate (6), the other end of the spring (8) is fixedly connected to the inside of the support block (2), the other end of the support rod (7) is fixedly connected to one side of the limit plate (6), and the outer wall of the support rod (7) is slidably connected to the inside of the support block (2).

4. A high-precision filter bag according to claim 1, characterized in that: A slot one (10) is provided inside the mounting seat (1), a sealing ring one (11) is provided inside the slot one (10), and the top of the sealing ring one (11) is attached to the bottom of the connecting ring (3).

5. The high-precision filter bag according to claim 1, characterized in that: A second slot (13) is provided inside the connecting ring (3), a second sealing ring (14) is provided inside the second slot (13), and the inner wall of the second sealing ring (14) is fitted on the outer wall of the extension ring (12).

6. A high-precision filter bag according to claim 1, characterized in that: A filter layer (17) is arranged inside the filter cloth (15).

7. A high-precision filter bag according to claim 6, characterized in that: The filter layer (17) is fixed between the filter cloths (15).

Citation Information

Patent Citations

  • Novel filter bag is crossed to superfine fiber high accuracy

    CN206549312U

Cited By

  • Integrated differential pressure type orifice plate flowmeter

    CN120467454A