Waterproof and dustproof filter bag
By designing structures such as inverted bamboo vacuum suction pipes, waterproof notches and waterproof membranes on the filter bag, the problem of poor sealing is solved, the waterproof and dustproof effect is achieved, and the sealing and waterproof performance of the filter bag are improved.
Patent Information
- Application Number
- CN202421977578.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-15
- Publication Date
- 2025-08-22
- Estimated Expiration
- 2034-08-15
AI Technical Summary
The sealing and protection performance of existing filter bags is poor, resulting in the infiltration of external rainwater that affects the performance.
The waterproof and dust-proof filter bag is designed, and the vacuum suction pipe, waterproof notches, waterproof membrane and sealing waterproof ring with inverted bamboo structure are used, combined with the locking mechanism and waterproof sealing structure to ensure sealing and waterproofness.
It effectively prevents external rainwater from entering the filter bag through the vacuuming pipe and the gap in the sealing cover, improving the sealing and waterproof performance of the filter bag.
Smart Images

Figure CN223248965U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of filter bags, in particular to a waterproof and dustproof filter bag. Background Art
[0002] Filter bags are a critical component of baghouse operation. Typically, cylindrical filter bags are suspended vertically within the dust collector. The fabric and design of the filter bags should strive for efficient filtration, easy dust removal, and durability. Filter bags offer excellent chemical stability and heat resistance, representing the highest performance in the filter media industry and the highest-performance variety among all commonly used filter materials, achieving high levels of filtration efficiency and precision.
[0003] Chinese patent publication number CN204767946U discloses a dust filter bag for a dust collector, comprising a barrel-shaped filter bag. The bag's opening is provided with a retaining ring, and the bottom of the bag, below the retaining ring, is provided with a base plate. The base plate has an inwardly recessed inner hole, a spring is provided on the sidewall of the inner hole, the top of the inner hole is sealed, and filter cloth is provided on the sidewall of the inner hole. This utility model offers excellent filtering performance, a large filtration area, and facilitates dust removal.
[0004] The filter bag in the above-mentioned prior art has poor overall sealing and protective performance, which easily causes external rainwater to penetrate into the filter bag and affect its performance. Therefore, it is necessary to develop a waterproof and dustproof filter bag to solve the above-mentioned technical problems. Utility Model Content
[0005] The purpose of the present invention is to provide a waterproof and dustproof filter bag to solve the problem that the filter bag in the prior art proposed in the above background technology has poor overall sealing and protective performance, which easily causes external rainwater to penetrate into the interior of the filter bag and affect its performance.
[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a waterproof and dustproof filter bag, comprising a filter bag main shell, a sealing cover plate installed on the upper end surface of the filter bag main shell, the sealing cover plate and the filter bag main shell are fixedly connected by a locking mechanism, a sealing waterproof ring is provided at the connection between the sealing cover plate and the filter bag main shell, a dust suction pipe is installed at one end of the filter bag main shell, a waterproof notch structure is provided at the front end of the dust suction pipe, a dust removal machine chamber is provided inside the filter bag main shell, a bag dust collector is installed inside the dust removal machine chamber, and a waterproof membrane is provided at the dust suction port of the bag dust collector.
[0007] Preferably, the waterproof notch structure is an inverted bamboo-like structure with a certain downward inclination angle.
[0008] Preferably, the locking mechanism includes a fixed lock buckle and a limiting lock groove, the fixed lock buckle is installed and fixed on the lower edge of the sealing cover plate, and the limiting lock groove is installed and fixed on the two side walls of the filter bag main shell, and the fixed lock buckle and the limiting lock groove are correspondingly connected.
[0009] Preferably, a pulse spray mechanism is installed on the outside of the filter bag main shell, and the pulse spray mechanism is sealed and connected to the inside of the filter bag main shell through a spray pipeline.
[0010] Preferably, a waterproof sealing structure is provided at the connection between the spray pipeline and the main shell of the filter bag.
[0011] Preferably, a flange structure is provided at the bottom end of the filter bag main shell.
[0012] Preferably, handle structures are welded and fixed to both ends of the sealing cover plate, and the inner surface wall of the sealing cover plate is tightly fitted and fixed to the sealing waterproof ring.
[0013] Compared with the prior art, the beneficial effects of the present invention are:
[0014] The utility model adopts an inverted bamboo-like design for the dust suction pipe port of the filter bag main shell, which can effectively prevent external rainwater from flowing into the interior of the filter bag main shell through the dust suction pipe, and at the same time locks and seals the sealing cover of the filter bag main shell for waterproof protection, preventing rainwater from flowing into the filter bag through the gap of the sealing cover. The entire filter bag device has the advantage of good sealing. At the same time, a waterproof membrane is provided at the dust suction port of the bag dust collector, which can further prevent external water from seeping into the interior of the bag dust collector. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 It is a side structural diagram of the utility model;
[0017] Figure 3 This is a schematic diagram of the structure of point A of the present utility model;
[0018] Figure 4 This is an internal top view of the present utility model;
[0019] Figure 5 It is a side view of the present utility model.
[0020] In the figure: 1. Flange structure; 2. Filter bag main shell; 3. Waterproof notch structure; 4. Dust suction pipeline; 5. Handle structure; 6. Sealing cover; 7. Spray pipeline; 8. Pulse spray mechanism; 9. Fixed lock buckle; 10. Limit lock groove; 11. Waterproof membrane; 12. Bag dust collector; 13. Dust collector compartment; 14. Sealing waterproof ring. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.
[0022] See also Figure 1-5 The utility model provides an embodiment: a waterproof and dustproof filter bag, including a filter bag main shell 2, a sealing cover plate 6 is installed on the upper end surface of the filter bag main shell 2, the sealing cover plate 6 and the filter bag main shell 2 are fixedly connected by a locking mechanism, and a sealing waterproof ring 14 is provided at the connection between the sealing cover plate 6 and the filter bag main shell 2, a dust suction pipe 4 is installed at one end of the filter bag main shell 2, and a waterproof notch structure 3 is provided at the front end of the dust suction pipe 4, a dust removal machine chamber 13 is provided inside the filter bag main shell 2, a bag dust collector 12 is installed inside the dust removal machine chamber 13, and a waterproof membrane 11 is provided at the dust suction port of the bag dust collector 12.
[0023] Furthermore, the waterproof notch structure 3 is a bamboo-like structure with a certain downward inclination angle. By designing the dust suction pipe 4 end of the filter bag main shell in a bamboo-like manner, it can effectively prevent external rainwater from flowing into the filter bag main shell through the dust suction pipe.
[0024] Furthermore, the locking mechanism includes a fixed lock buckle 9 and a limiting lock groove 10. The fixed lock buckle 9 is installed and fixed on the lower edge of the sealing cover plate 6, and the limiting lock groove 10 is installed and fixed on the two side walls of the filter bag main shell 2. The fixed lock buckle 9 and the limiting lock groove 10 are correspondingly connected, and the filter bag main shell 2 and the sealing cover plate 6 can be quickly locked and fixed, which plays a role in tight and stable connection, and prevents the sealing cover plate 6 from loosening and deviating, affecting its sealing protection effect.
[0025] Furthermore, a pulse spray mechanism 8 is installed on the outside of the filter bag main shell 2. The pulse spray mechanism 8 is sealed and connected to the inside of the filter bag main shell 2 through the spray pipe 7. By providing the pulse spray mechanism 8, it can be used to regularly clean the inside of the filter bag main shell 2.
[0026] Furthermore, a waterproof sealing structure is provided at the connection between the spraying pipeline 7 and the filter bag main shell 2, which can provide waterproof sealing protection for the connection part.
[0027] Furthermore, a flange structure 1 is provided at the bottom end of the filter bag main shell 2 to facilitate installation and fixation of the bottom of the filter bag main shell 2.
[0028] Furthermore, the two ends of the sealing cover plate 6 are welded with handle structures 5, and the inner surface wall of the sealing cover plate 6 is tightly fitted and fixed to the sealing waterproof ring 14, which facilitates the sealing and waterproof protection of the connection gap between the sealing cover plate 6 and the filter bag main shell 2.
[0029] Working principle: When in use, a sealing cover plate 6 is installed on the upper end surface of the filter bag main shell 2, and the sealing cover plate 6 and the filter bag main shell 2 are fixedly connected by a locking mechanism. The locking mechanism includes a fixed lock buckle 9 and a limit lock groove 10. The fixed lock buckle 9 and the limit lock groove 10 are correspondingly connected, and the filter bag main shell 2 and the sealing cover plate 6 can be quickly locked and fixed, playing a role of tight and stable connection, preventing the sealing cover plate 6 from loosening and deflecting and affecting its sealing protection effect. A sealing waterproof ring 14 is provided at the connection between the sealing cover plate 6 and the filter bag main shell 2 to prevent rainwater from flowing into the filter bag through the gap in the sealing cover plate 6, and filtering A dust suction pipe 4 is installed at one end of the bag main shell 2, and a waterproof notch structure 3 is provided at the front end of the dust suction pipe 4. The waterproof notch structure 3 is a reverse-cut bamboo structure with a certain downward inclination angle. By performing a reverse-cut bamboo design on the dust suction pipe 4 port of the filter bag main shell, it can effectively prevent external rainwater from flowing into the filter bag main shell through the dust suction pipe. A dust removal machine chamber 13 is provided inside the filter bag main shell 2, and a bag dust collector 12 is installed inside the dust removal machine chamber 13. A waterproof membrane 11 is provided at the dust suction port of the bag dust collector 12. The provision of the waterproof membrane 11 can further prevent external water from seeping into the interior of the bag dust collector 12.
[0030] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.
[0031] The standard parts used in this application document can all be purchased from the market, and the specific connection methods of each part are connected by conventional means such as mature bolts, rivets, welding, etc. in the existing technology. In addition, the machinery, parts and equipment all adopt conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology, which will not be described in detail here.
[0032] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A waterproof and dustproof filter bag, comprising a filter bag main shell (2), characterized in that: A sealing cover plate (6) is installed on the upper end surface of the filter bag main shell (2), and the sealing cover plate (6) and the filter bag main shell (2) are fixedly connected via a locking mechanism. A sealing waterproof ring (14) is provided at the connection between the sealing cover plate (6) and the filter bag main shell (2). A dust suction pipe (4) is installed at one end of the filter bag main shell (2), and a waterproof notch structure (3) is provided at the front end of the dust suction pipe (4). A dust collector chamber (13) is provided inside the filter bag main shell (2), and a bag dust collector (12) is installed inside the dust collector chamber (13). A waterproof membrane (11) is provided at the dust suction port of the bag dust collector (12).
2. The waterproof and dustproof filter bag according to claim 1, characterized in that: The waterproof notch structure (3) is an inverted bamboo-like structure with a certain downward inclination angle.
3. The waterproof and dustproof filter bag according to claim 1, characterized in that: The locking mechanism comprises a fixed lock buckle (9) and a limiting lock groove (10), wherein the fixed lock buckle (9) is fixedly mounted on the lower edge of the sealing cover plate (6), and the limiting lock groove (10) is fixedly mounted on the two side walls of the filter bag main shell (2), and the fixed lock buckle (9) and the limiting lock groove (10) are correspondingly connected.
4. The waterproof and dustproof filter bag according to claim 1, characterized in that: A pulse spray mechanism (8) is installed on the outside of the filter bag main shell (2), and the pulse spray mechanism (8) is sealed and communicated with the inside of the filter bag main shell (2) through a spray pipeline (7).
5. The waterproof and dustproof filter bag according to claim 4, characterized in that: A waterproof sealing structure is provided at the connection between the spraying pipeline (7) and the filter bag main shell (2).
6. The waterproof and dustproof filter bag according to claim 1, characterized in that: The bottom end of the filter bag main shell (2) is provided with a flange structure (1).
7. The waterproof and dustproof filter bag according to claim 1, characterized in that: The two ends of the sealing cover plate (6) are welded and fixed with a handle structure (5), and the inner surface wall of the sealing cover plate (6) is tightly fitted and fixed to the sealing waterproof ring (14).
Citation Information
Patent Citations
Dust remover is with dustproof filter bag
CN204767946U