Polyester needled felt cloth bag
By introducing a combination structure of fixing ring, adjusting rod, shrinking rod and telescopic spring into the polyester needle-punched felt filter bag, the problem of mismatched length during installation of the polyester needle-punched felt filter bag is solved, and the bag body and the skeleton are perfectly matched, thus improving the filtration effect.
Patent Information
- Application Number
- CN202520024711.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-07
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-01-07
AI Technical Summary
Existing polyester needle-punched felt filter bags cannot be fully opened during installation due to length errors, which affects the filtration effect.
A polyester needle-punched felt bag was designed, comprising a fixing ring, an adjusting rod, a shrinking rod, and a telescopic spring. By adjusting the extension and retraction of the adjusting rod and the shrinking rod, and in conjunction with the compression and extension of the telescopic spring, the bag body and the frame can be fitted together.
Ensure that the polyester needle-punched felt filter bag can be fully expanded during installation to improve filtration efficiency.
Smart Images

Figure CN223800243U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to needle felt bag technical field, concretely is a dacron needle felt bag. BACKGROUND
[0002] Felt bag is the key part in the operation process of bag type dust collector, usually the cylindrical cloth bag is vertically hung in the dust collector, the fabric and design of cloth bag should pursue high efficiency filtration, easy dust peeling and durable effect as far as possible, in pulse and gas tank type pulse dust collector, dust is attached to the outer surface of cloth bag, when dust-containing gas passes through the dust collector, dust is captured on the outer surface of cloth bag, and clean gas passes through cloth to enter the inside of cloth bag.
[0003] The prior art patent document with the publication number CN214861953U provides a dacron needle felt bag, which comprises a bag body, the bag body comprises a fixing ring and a felt bag layer, the fixing ring is arranged at the top end of the felt bag layer; the felt bag layer is composed of a reinforcing assembly, a buffer structure layer, a first dacron fiber layer, a waterproof structure layer and a second dacron fiber layer, the reinforcing assembly is arranged between the buffer structure layer and the waterproof structure layer, the first dacron fiber layer is arranged on the top surface of the buffer structure layer, the second dacron fiber layer is bonded to the bottom surface of the waterproof structure layer, and the reinforcing assembly comprises a nylon sheet, a through hole is formed in the top surface of the nylon sheet, the needle felt bag can improve the structural strength, prolong the service life, buffer the pressure of side wind, prevent damage and facilitate popularization and use.
[0004] However, the existing dacron needle felt bag has certain errors in length after production, and when the dacron needle felt bag is installed on the framework, the length of the framework is limited, so that the dacron needle felt bag cannot be stretched, or it cannot be completely installed during installation, thereby affecting the filtering effect of the dacron needle felt bag, therefore, the dacron needle felt bag is proposed. UTILITY MODEL CONTENTS
[0005] (I) Technical problem solved
[0006] In view of the deficiencies of the prior art, the utility model provides a dacron needle felt bag to solve the problems in the background art.
[0007] (II) Technical scheme
[0008] In order to achieve the above object, the utility model discloses a dacron needle felt bag through the following technical scheme, a fixed ring is provided, the top of fixed ring is provided with the passageway, the bottom of fixed ring is provided with the installation mouth, the bottom of fixed ring is movably connected with the bag body through the installation mouth, the top of bag body is fixedly connected with the bag ring, the outside of bag body is movably connected with the fixed sleeve, the bottom of fixed ring is threadedly connected with the adjusting rod, the bottom of adjusting rod is movably connected with the contraction rod, the bottom of contraction rod is threadedly connected with the ground ring, the inside of contraction rod is movably connected with the extension spring.
[0009] Preferably, the diameter of the fixed sleeve is adapted to the inner diameter of the installation mouth, and the fixed sleeve is threadedly connected with the fixed ring through the installation mouth.
[0010] Preferably, the bag body is located outside the ground ring, and the ground ring is movably connected with the bag body.
[0011] Preferably, the diameter of the adjusting rod is smaller than the diameter of the contraction rod, and the adjusting rod and the contraction rod are both provided with four, and each adjusting rod and contraction rod is a group.
[0012] Preferably, the inside of the bag ring is fixedly connected with the inner ring, and the inner ring is in a circular structure.
[0013] Preferably, the fixed ring is processed from polypropylene material, and the outer surface of the fixed ring is smooth.
[0014] (Three) beneficial effects
[0015] The utility model provides a dacron needle felt bag has the following beneficial effects:
[0016] (1), the dacron needle felt bag, through setting up adjusting rod, contraction rod and extension spring, when using dacron needle felt bag, the staff will be bag body connected on the ground ring, and then pull up the bag body, make the bag ring on the bag body top be located in the installation mouth of fixed ring, and then fixed sleeve is installed in the installation mouth, at this moment, the fixed sleeve is connected with the fixed ring and is screwed together, and the fixed sleeve will be pressed against the bag ring, and the bag body is fixed with the fixed sleeve, when the length of bag body is too short, and the bag body is extruded adjusting rod and contraction rod through the ground ring, at this moment, adjusting rod and contraction rod will contract, and the extension spring will be compressed, so that the bag body and the fixed sleeve and the framework are fully consistent, when the bag body is too long, the extension spring will be stretched, and the adjusting rod and the contraction rod will be stretched, so that the adjusting rod and the contraction rod can reach the length of the bag body, so that the dacron needle felt bag can be fully opened when installing, and the framework can be consistent within a certain length according to the length of the bag, thereby improving the filtering effect of the dacron needle felt bag. DRAWINGS
[0017] Figure 1It is the whole structure schematic diagram of the utility model;
[0018] Figure 2 It is the local structure schematic diagram of the bag body of the utility model;
[0019] Figure 3 It is the local structure schematic diagram of the utility model ground ring;
[0020] Figure 4 It is the sectional view of the utility model fixed ring.
[0021] In the drawing: 1, bag body;2, fixed sleeve;3, fixed ring;301, installation mouth;4, through mouth;5, bag ring;501, inner ring;6, adjusting rod;7, contraction rod;701, telescopic spring;8, ground ring. Specific implementation
[0022] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor are within the protection scope of the utility model.
[0023] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: polyester needle felt bag, including fixed ring 3, the top of fixed ring 3 is equipped with through mouth 4, the bottom of fixed ring 3 is equipped with installation mouth 301, the bottom of fixed ring 3 is movably connected with bag body 1 by installation mouth 301, the top of bag body 1 is fixedly connected with bag ring 5, the outside of bag body 1 is movably connected with fixed sleeve 2, the bottom of fixed ring 3 is screw-connected with adjusting rod 6, the bottom end of adjusting rod 6 is movably connected with contraction rod 7, the bottom end of contraction rod 7 is screw-connected with ground ring 8, and telescopic spring 701 is movably connected in the inside of contraction rod 7.
[0024] In the embodiment, specifically, the diameter of fixed sleeve 2 is matched with the inner diameter of installation mouth 301, and fixed sleeve 2 is screw-connected with fixed ring 3 by installation mouth 301.
[0025] In the embodiment, specifically, bag body 1 is located at the outside of ground ring 8, ground ring 8 is movably connected with bag body 1, and ground ring 8 can better contact the bottom inside bag body 1, so that bag body 1 is better supported.
[0026] In the embodiment, specifically, the diameter of adjusting rod 6 is less than the diameter of contraction rod 7, and adjusting rod 6 and contraction rod 7 are all provided with four, each adjusting rod 6 and contraction rod 7 are a group, so that adjusting rod 6 and contraction rod 7 can better be telescopic and adjust length.
[0027] In the embodiment, specifically, the inner ring 501 is fixedly connected to the inner part of the bag ring 5, the inner ring 501 is in a circular structure, and the bag ring 5 can better contact the fixing sleeve 2 through the inner ring 501.
[0028] In the embodiment, specifically, the fixing ring 3 is processed from polypropylene material, and the outer surface of the fixing ring 3 is smooth, and the fixing ring 3 processed from the polypropylene material is more solid and durable.
[0029] Working principle: after the utility model is installed, firstly, the installation and safety protection of the utility model are checked, when the terylene needle felt cloth bag is used, the staff sets the bag body 1 on the ground ring 8, then pulls the bag body 1 upwards, the bag ring 5 on the top of the bag body 1 is located in the installation port 301 of the fixing ring 3, then the fixing sleeve 2 is installed in the installation port 301, at this time, the fixing sleeve 2 is screwed and connected with the fixing ring 3, at the same time, the fixing sleeve 2 will be pressed against the bag ring 5, so that the bag body 1 is fixed with the fixing sleeve 2, when the length of the bag body 1 is too short, the bag body 1 is pressed and adjusted with the adjusting rod 6 and the contraction rod 7 through the ground ring 8, at this time, the adjusting rod 6 and the contraction rod 7 will be contracted, and the extension spring 701 will be compressed, so that the bag body 1 is fully matched with the fixing sleeve 2 and the framework, when the bag body 1 is too long, the extension spring 701 will be stretched, and the adjusting rod 6 and the contraction rod 7 will be stretched, so that the adjusting rod 6 and the contraction rod 7 can reach the length of the bag body 1, so that the use process of the utility model is completed, the utility model has the advantages of simple structure, safe and convenient use.
[0030] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
[0031] In the utility model, unless otherwise explicitly specified and limited, the terms such as ''installation'', ''connection'', ''connection'', ''fixing'' and the like should be understood in a broad sense, for example, can be fixedly connected, or can be detachably connected, or can be integrated, can be mechanically connected, or can be electrically connected or can communicate with each other, can be directly connected, or can be indirectly connected through an intermediate medium, can be the communication or interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.
[0032] Obviously, the above-described embodiments are only a part of the embodiments of the present application, rather than all the embodiments, and the preferred embodiments of the present application are given in the drawings, but do not limit the patent scope of the present application. The present application can be realized in many different forms, and conversely, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing specific embodiments, or equivalently replace some of the technical features. Any equivalent structure made by using the content of the present application specification and drawings, directly or indirectly used in other related technical fields, is also within the patent protection scope of the present application.
Claims
1. A polyester needle felt bag comprising a fixing ring (3), characterized in that: The top of the fixed ring (3) is provided with a through hole (4), the bottom of the fixed ring (3) is provided with a mounting hole (301), the bottom of the fixed ring (3) is movably connected with a bag body (1) through the mounting hole (301), the top of the bag body (1) is fixedly connected with a bag ring (5), the outer side of the bag body (1) is movably connected with a fixed sleeve (2), the bottom of the fixed ring (3) is threadedly connected with an adjusting rod (6), the bottom end of the adjusting rod (6) is movably connected with a contraction rod (7), the bottom end of the contraction rod (7) is threadedly connected with a ground ring (8), and the inside of the contraction rod (7) is movably connected with a telescopic spring (701).
2. The polyester needle felt bag according to claim 1, characterized in that: The diameter of the fixed sleeve (2) is matched with the inner diameter of the mounting hole (301), and the fixed sleeve (2) is threadedly connected with the fixed ring (3) through the mounting hole (301).
3. The polyester needle felt bag according to claim 1, characterized in that: The bag body (1) is located outside the ground ring (8), and the ground ring (8) is movably connected with the bag body (1).
4. The polyester needle felt bag according to claim 1, characterized in that: The diameter of the adjusting rod (6) is smaller than the diameter of the contraction rod (7), and the adjusting rod (6) and the contraction rod (7) are both provided with four, and each adjusting rod (6) and contraction rod (7) is a group.
5. The polyester needle felt bag according to claim 1, wherein: The inside of the bag ring (5) is fixedly connected with an inner ring (501), and the inner ring (501) is in a circular structure.
6. The polyester needle felt bag according to claim 1, wherein: The fixed ring (3) is made of polypropylene material, and the outer surface of the fixed ring (3) is smooth.
Citation Information
Patent Citations
Polyester needled felt cloth bag
CN214861953U