Dust removal filter bag with anti-loosening bag ring

By introducing clamping components into the dust collector filter bag, the problem of the frame shaking and scratching the inner wall of the filter bag is solved, achieving higher filtration effect and service life, and enhancing the stability and connectivity of the filter bag.

CN224024584UActive Publication Date: 2026-03-24JIANGSU QINGHU IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-08
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing dust collector filter bags are prone to frame movement under the impact of high-temperature exhaust gas, which can cause scratches on the inner wall, affecting the filtration effect and service life.

Method used

A clamping assembly was designed, including a retaining ring, a slide, a clamping seat, a rotating shaft, a clamping sleeve, a threaded rod, and a locking bar. Through the cooperation of these components, the metal frame is clamped to prevent it from shaking and to expand and fit the inner wall of the filter bag, thereby enhancing stability.

Benefits of technology

It effectively prevents the frame from shaking and scratching the inner wall of the filter bag, improves the filtration effect and service life, and enhances the impact resistance and connectivity of the filter bag.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224024584U_ABST
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Abstract

The utility model discloses a dust removal filter bag with an anti-loose bag ring, which belongs to the field of dust removal filter bags and comprises a filter bag body, an anti-corrosion layer is fixedly connected to the outer wall of the filter bag body, a clamping component is arranged at the upper top end of the filter bag body and comprises a fixing ring fixedly sleeved on the outer wall of the filter bag body, and a sliding seat is fixedly connected to the side wall of the fixing ring. Through cooperative use of all the devices, a metal framework in the filter bag body can be clamped after the filter bag body is installed, the metal framework can be hung and taken through the rotating clamping sleeve by utilizing the arrangement of the clamping seat, the clamping sleeve and the locking bar, and then the threaded rod is rotated to enable the locking bar to seal the clamping sleeve, so that the metal framework can be hung and taken out through the clamping seat, the clamping sleeve and the locking bar. The assembly is simple in structure and high in practicability, the situation that the metal framework scratches the inner wall of the filter bag and consequently the filtering effect is reduced can be avoided, and the gas filtering effect is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to dust filter bag technical field, concretely is dust filter bag with prevent loose bag ring. BACKGROUND

[0002] Dust filter bag is the key component in the operation process of bag type dust collector, is mainly used for trapping dust to realize the purpose of purifying gas, can effectively trap dust of various particle sizes through it, also has very high trapping efficiency to fine dust, has higher dust removal efficiency, can make the dust content in the emission gas reach very low level, satisfies strict environmental protection emission standard.

[0003] Through checking, the Chinese utility model patent discloses a kind of dust filter bag (publication number: CN219663143U), including filter bag body, inner wall of the filter bag body is equipped with inner polytetrafluoroethylene layer, outer wall of the filter bag body is equipped with outer polytetrafluoroethylene layer, inner side of the inner polytetrafluoroethylene layer is equipped with glass corrosion prevention layer, the inside of the filter bag body is equipped with fixed ring, the lower end surface of the fixed ring is equipped with support frame, the support frame is provided with multiple and is arranged in circumferential shape, the lower end surface of the support frame is fixedly equipped with support ring, by being respectively provided with inner polytetrafluoroethylene layer and outer polytetrafluoroethylene layer on the inner wall and outer wall of filter bag body, can improve the corrosion resistance of filter bag body by using the acid resistance and alkali resistance of it, to improve the service life of filter bag body, and glass corrosion prevention layer is also provided on the side of inner polytetrafluoroethylene layer, can effectively protect inner polytetrafluoroethylene layer to prevent it from being destroyed by high temperature.

[0004] The above-mentioned patent can improve the acid resistance and alkali resistance of filter bag by polytetrafluoroethylene layer, avoid being destroyed by high temperature in gas, but due to the impact of waste gas during discharge, the skeleton inside filter bag often shakes, which can cause the skeleton to scratch the inner wall of filter bag during long-term use, thereby affecting the filtering effect of filter bag.

[0005] Therefore, the utility model provides dust filter bag with prevent loose bag ring to solve the above problems. UTILITY MODEL CONTENT

[0006] (I) technical problem solved

[0007] The utility model provides dust filter bag with prevent loose bag ring, aims at solving the problems proposed in the background art.

[0008] (II) technical scheme

[0009] To achieve the above object, the utility model provides the following technical scheme:

[0010] The dust removal filter bag with a loose ring preventing bag ring comprises a filter bag body, an anticorrosion layer fixedly connected to the outer wall of the filter bag body, and a clamping assembly arranged at the upper top end of the filter bag body.

[0011] The clamping assembly comprises a fixed ring fixedly sleeved on the outer wall of the filter bag body, a sliding seat fixedly connected to the side wall of the fixed ring, a clamping seat slidably connected to the inner wall of the sliding seat, a rotating shaft rotatably connected to the side wall of the clamping seat, a clamping sleeve rotatably connected to the outer wall of the rotating shaft, a rotating seat fixedly connected to the upper top end of the clamping sleeve, a threaded rod rotatably connected to the inner wall of the rotating seat, and a lock strip rotatably sleeved on the end of the threaded rod.

[0012] As a preferred technical solution of the present application, the lock assembly comprises a threaded plate fixedly connected to the side wall of the sliding seat, a rotating screw threadedly connected to the inner wall of the threaded plate, and the end of the rotating screw is rotatably sleeved on the outer wall of the clamping seat.

[0013] As a preferred technical solution of the present application, the outer wall of the clamping seat is fixedly connected to a supporting plate, the outer wall of the supporting plate is fixedly connected to a return spring, and the end of the return spring is fixedly connected to the outer wall of the clamping sleeve.

[0014] As a preferred technical solution of the present application, the inner support assembly comprises an annular hoop fixedly connected to the inner wall of the filter bag body, and the end of the annular hoop is fixedly connected to a connecting rib.

[0015] As a preferred technical solution of the present application, the inner wall of the filter bag body is fixedly connected to a reinforcing layer, and the end of the anticorrosion layer is fixedly connected through a longitudinal rib.

[0016] As a preferred technical solution of the present application, the upper top end of the filter bag body is provided with a clamping groove, and the inner wall of the clamping groove is clamped with a loose ring.

[0017] (Three) beneficial effects

[0018] Through the setting of the clamping assembly, the metal framework in the filter bag body can be clamped after installation, so as to avoid that the burrs on the outer wall of the framework scratch the inner wall of the filter bag under the impact of high-temperature gas. Through the setting of the clamping seat, the clamping sleeve and the lock strip, the metal framework can be hung and taken through the rotating clamping sleeve, and then the lock strip closes the clamping sleeve through the rotating screw rod, so as to expand the framework together with the rotating screw rod and the threaded plate, and then the framework is attached to the inner wall of the filter bag. The assembly has simple structure and strong practicability, can avoid the case that the metal framework scratches the inner wall of the filter bag to reduce the filtering effect, and improves the filtering effect of the gas. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1The overall structure diagram of the dust removal filter bag with the anti-loosening bag ring is shown in the figure.

[0020] Figure 2 The structure diagram of the fixed ring in the dust removal filter bag with the anti-loosening bag ring is shown in the figure.

[0021] Figure 3 The structure diagram of the clamping sleeve in the dust removal filter bag with the anti-loosening bag ring is shown in the figure.

[0022] Figure 4 The structure diagram of the rotating screw rod in the dust removal filter bag with the anti-loosening bag ring is shown in the figure.

[0023] In the figure:

[0024] 1, filter bag body; 2, corrosion-resistant layer; 3, fixed ring; 4, sliding seat; 5, clamping seat; 6, rotating shaft; 7, clamping sleeve; 8, rotating seat; 9, threaded rod; 10, locking strip; 11, threaded plate; 12, rotating screw rod; 13, support plate; 14, return spring; 15, annular hoop; 16, connecting rib; 17, reinforcing layer; 18, longitudinal rib; 19, clamping groove; 20, anti-loosening ring. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] The present application provides a dust removal filter bag with an anti-loosening bag ring, as shown in the figure. Figures 1-4 The dust removal filter bag with the anti-loosening bag ring comprises a filter bag body 1, the outer wall of the filter bag body 1 is fixedly connected with a corrosion-resistant layer 2, and the upper top end of the filter bag body 1 is provided with a clamping assembly.

[0027] The clamping assembly comprises a fixed ring 3 fixedly sleeved on the outer wall of the filter bag body 1, the side wall of the fixed ring 3 is fixedly connected with a sliding seat 4, the inner wall of the sliding seat 4 is slidably connected with a clamping seat 5, the side wall of the clamping seat 5 is rotatably connected with a rotating shaft 6, the outer wall of the rotating shaft 6 is rotatably connected with a clamping sleeve 7, the upper top end of the clamping sleeve 7 is fixedly connected with a rotating seat 8, the inner wall of the rotating seat 8 is rotatably connected with a threaded rod 9, the end of the threaded rod 9 is rotatably sleeved with a locking strip 10, and the end of the sliding seat 4 is provided with a locking assembly.

[0028] The locking assembly comprises a threaded plate 11 fixedly connected to the side wall of the sliding seat 4, the inner wall of the threaded plate 11 is threadedly connected with a rotating screw rod 12, the end of the rotating screw rod 12 is rotatably sleeved with the outer wall of the clamping seat 5, and the inside of the filter bag body 1 is provided with an inner support assembly.

[0029] The outer wall of the clamping seat 5 is fixedly connected with a support plate 13, the outer wall of the support plate 13 is fixedly connected with a return spring 14, and the end of the return spring 14 is fixedly connected with the outer wall of the clamping sleeve 7.

[0030] Specifically, by arranging the anti-corrosion layer 2 on the outer wall of the filter bag body 1, the filter bag body 1 can be prevented from being corroded by substances contained in the exhaust gas during work, and the filtering effect of the filter bag can be affected. By arranging the clamping assembly, the metal framework placed inside the filter bag body 1 can be clamped during installation of the filter bag body 1, so that the phenomenon that the metal framework is displaced to scratch the inner wall of the filter bag body 1 when the filter bag body 1 is impacted by gas is avoided. By arranging the reserved hole groove in the side wall of the filter bag body 1, the sliding seat 4 in the fixing ring 3 can be conveniently installed. By sliding the clamping seat 5 in the sliding seat 4, the rotating shaft 6 of the side wall of the clamping seat 5 drives the clamping sleeve 7 to abut against the metal framework, and then the clamping sleeve 7 is driven to move upward by the connection of the return spring 14 and the clamping sleeve 7, until the reserved space in the clamping sleeve 7 wraps the framework, and then the clamping sleeve 7 is reset. Then the operator manually rotates the threaded rod 9 to drive the lock strip 10 at the end to move longitudinally until the reserved opening of the clamping sleeve 7 is blocked. By the cooperation of the components, the framework can be prevented from shaking by limiting, and then the clamping seat 5 at the end of the rotating sleeve is driven to move outward by rotating the rotating screw 12, and then the movement of the plurality of clamping seats 5 drives the framework to deform and expand outward, and then abuts against the inner wall of the filter bag body 1, further improving the stability of the framework on the inner wall of the filter bag body 1. The assembly has simple structure and strong practicability, can avoid the phenomenon that the filter bag is scratched, and improves the service life and filtering effect of the filter bag.

[0031] The inner support assembly comprises an annular hoop 15 fixedly connected to the inner wall of the filter bag body 1, and the end of the annular hoop 15 is fixedly connected with a connecting rib 16.

[0032] The inner wall of the filter bag body 1 is fixedly connected with a reinforcing layer 17, and the end of the anti-corrosion layer 2 is fixedly connected by a longitudinal rib 18.

[0033] The upper top end of the filter bag body 1 is provided with a clamping groove 19, and the inner wall of the clamping groove 19 is provided with a lock ring 20.

[0034] Specifically, by arranging the annular hoop 15 on the filter bag body 1, the support strength of the inner wall of the filter bag body 1 can be improved, and the phenomenon that the filter bag body 1 is deformed by being pressed inward due to excessive pressure can be avoided. By arranging the connecting rib 16, the connectivity of the plurality of annular hoops 15 can be improved, and the impact resistance of the filter bag body 1 can be further improved in cooperation with the reinforcing layer 17. By arranging the clamping groove 19 at the upper top end of the filter bag body 1 and the lock ring 20, the filter bag can be quickly installed on the outer wall of the equipment, and the connectivity of the filter bag with the equipment can be improved.

[0035] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A dust collector filter bag with anti-loosening rings, comprising a filter bag body (1), characterized in that: The outer wall of the filter bag body (1) is fixedly connected with an anti-corrosion layer (2), and a clamping assembly is provided at the top of the filter bag body (1). The clamping assembly includes a fixing ring (3) fixedly sleeved on the outer wall of the filter bag body (1), a slide (4) fixedly connected to the side wall of the fixing ring (3), a clamping seat (5) slidably connected to the inner wall of the slide (4), a rotating shaft (6) rotatably connected to the side wall of the clamping seat (5), a clamping sleeve (7) rotatably connected to the outer wall of the rotating shaft (6), a rotating seat (8) fixedly connected to the upper top end of the clamping sleeve (7), a threaded rod (9) rotatably connected to the inner wall of the rotating seat (8), a locking bar (10) rotatably sleeved at the end of the threaded rod (9), and a locking assembly provided at the end of the slide (4).

2. The dust collector filter bag with anti-loosening ring according to claim 1, characterized in that: The locking assembly includes a threaded plate (11) fixedly connected to the side wall of the slide (4), and a rotating screw (12) is threadedly connected to the inner wall of the threaded plate (11). The end of the rotating screw (12) is rotatably sleeved with the outer wall of the clamping seat (5). An internal support assembly is provided inside the filter bag body (1).

3. The dust collector filter bag with anti-loosening ring according to claim 1, characterized in that: A support plate (13) is fixedly connected to the outer wall of the clamping seat (5), and a return spring (14) is fixedly connected to the outer wall of the support plate (13). The end of the return spring (14) is fixedly connected to the outer wall of the clamping sleeve (7).

4. The dust collector filter bag with anti-loosening ring according to claim 2, characterized in that: The internal support assembly includes an annular hoop (15) fixedly connected to the inner wall of the filter bag body (1), and a connecting rib (16) is fixedly connected to the end of the annular hoop (15).

5. The dust collector filter bag with anti-loosening ring according to claim 1, characterized in that: The inner wall of the filter bag body (1) is fixedly connected with a reinforcing layer (17), and the end of the anti-corrosion layer (2) is fixedly connected by longitudinal ribs (18).

6. The dust collector filter bag with anti-loosening ring according to claim 1, characterized in that: The filter bag body (1) has a slot (19) at its top end, and an anti-loosening ring (20) is engaged with the inner wall of the slot (19).

Citation Information

Patent Citations

  • Dust removal filter bag

    CN219663143U