Filter bag framework fixing device for bag-type dust collector
Through the cooperation of lifting and positioning mechanisms, the filter bag is clamped with an electric telescopic rod and an extrusion ring, the problem of the filter bag being loose in the bag dust collector is solved, and the filter bag is stabilized and fixed, ensuring the normal operation and convenient installation of the dust collector.
Patent Information
- Application Number
- CN202422524976.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-18
- Publication Date
- 2025-08-15
- Estimated Expiration
- 2034-10-18
AI Technical Summary
During the installation or disassembly of the existing bag dust collector, the fixing area is easily loosened, causing the filter bag to fall and affecting the normal use of the dust collector.
The lifting mechanism and positioning mechanism are adopted to drive the lifting disk downward through the electric telescopic rod, and the filter bag is clamped with the extrusion ring to fix it. The fixed block and the restricting rod are used to limit the movement direction. The positioning mechanism achieves stable installation of the filter bag through the cooperation of the moving rod and the positioning rod.
Effectively prevent the filter bag from loosening during use, ensure the normal operation of the dust collector, and improve the installation convenience and stability of the filter bag.
Smart Images

Figure CN223221178U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a filter bag frame fixing device for a bag dust collector, belonging to the technical field of fixing devices. Background Art
[0002] Bag filters are highly efficient industrial dust removal equipment, widely used in various industries, such as power generation, metallurgy, chemicals, and building materials, to remove dust particles from gases, protecting the environment and worker health. Their operating principle primarily involves two processes: filtration and cleaning. The filter bags trap dust particles in the dust-laden gas. A cleaning system then regularly removes dust from the bag surface to maintain proper operation. To facilitate removal and cleaning of the filter bags, a positioning bracket is required.
[0003] A Chinese patent publication (publication number: CN 219922368 U) discloses a novel filter bag fixing device for a bag dust collector, comprising a housing and a mounting assembly; the mounting assembly comprises a filter bag, a stop block, a mounting block, a magnetic block, a top block, a fixing member and a positioning member, wherein the top block is slidably mounted on one side of the housing, the positioning member is arranged on the housing and connected to the top block, the fixing member is arranged on the top block, the filter bag is connected to the fixing member, the stop block is slidably connected to the housing and is located on a side of the housing away from the top block, the mounting block is fixedly connected to the filter bag and is located on a side of the filter bag close to the stop block, the magnetic block is fixedly connected to the stop block and is located on a side of the stop block close to the mounting block, so that the device facilitates the replacement of a single filter bag, thereby improving the use effect of the filter bag fixing device;
[0004] However, when installing or disassembling the filter bags, they are fixed with bolts. For the normal use of the dust collector, the filter bags need to be disassembled and cleaned regularly. Long-term disassembly and installation will cause the fixings to become loose, causing the filter bags to loosen and fall during use, resulting in failure to filter the dust normally.
[0005] Therefore, a filter bag frame fixing device for a bag filter is proposed. Utility Model Content
[0006] In view of this, the present invention provides a filter bag frame fixing device for a bag dust collector to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial option.
[0007] The technical solution of the utility model is achieved as follows: a filter bag skeleton fixing device for a bag dust collector includes a placing plate, a lifting mechanism is provided on the top of the placing plate, the lifting mechanism includes an electric telescopic rod, a fixed plate and a lifting plate, the bottom of the electric telescopic rod is fixedly connected to the top of the placing plate, the bottom of the fixed plate is fixedly connected to the top of the electric telescopic rod, and the bottom of the lifting plate is fixedly connected to the output end of the electric telescopic rod.
[0008] Further preferably, the left and right sides of the placement plate, the fixed plate and the lifting plate are fixedly connected with fixed blocks, the top of the fixed block is fixedly connected with a limiting rod, and the top of the limiting rod passes through the top of the lifting plate.
[0009] Further preferably, an extrusion groove is provided on the top of the fixed plate, the bottom of the lifting plate is fixedly connected to the extrusion ring, and the bottom of the extrusion ring is movably connected to the inside of the extrusion groove.
[0010] Further preferably, the top of the lifting plate is movably connected to a left fixing ring and a right fixing ring via a rotating shaft, a cavity is provided on the front side of the right fixing ring, and a positioning mechanism is provided inside the cavity.
[0011] Further preferably, the positioning mechanism includes a moving rod, a positioning rod and a tension spring, the front side of the moving rod passes through the cavity and extends to the front side of the right fixed ring, the rear side of the moving rod passes through the interior of the cavity, the bottom of the positioning rod is fixedly connected to the bottom of the moving rod, the bottom of the tension spring is fixedly connected to the top of the positioning rod, the top of the tension spring is fixedly connected to the inner wall of the cavity, and the top of the positioning rod passes through the interior of the left fixed ring.
[0012] Further preferably, a fixing groove is provided on the surface of the left fixing ring, and the top of the left side of the positioning rod is movably connected to the inside of the fixing groove.
[0013] Further preferably, the rear side of the positioning rod is fixedly connected to a limiting rod, a limiting groove is provided inside the cavity, and the rear side of the limiting rod is movably connected to the inside of the limiting groove.
[0014] The embodiment of the present invention has the following advantages due to the adoption of the above technical solution:
[0015] 1. The utility model uses a lifting mechanism. When the filter bag is fixed, the electric telescopic rod is started to drive the lifting plate to move downward, and the filter bag is clamped and fixed by the extrusion ring to prevent it from loosening during use. The fixed block and the limiting rod can limit the moving direction of the moving rod when the movable plate moves up and down, thereby ensuring the normal use of the entire device.
[0016] 2. The utility model uses a positioning mechanism. When installing the fixing frame, the moving rod is pulled, and the moving rod drives the positioning rod to move downward, which is convenient for docking and fixing the fixing frame and increases the convenience of installation. By setting the limiting rod and the limiting groove, the positioning rod can be moved according to the moving trajectory provided by the limiting groove.
[0017] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the present invention will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.
[0019] Figure 1 This is a schematic diagram of the three-dimensional front view structure of the utility model;
[0020] Figure 2 This is a schematic diagram of the structure of the placement tray of the present invention when viewed from above;
[0021] Figure 3 This is a schematic structural diagram of the left and right fixing rings of the present invention;
[0022] Figure 4 This is a schematic diagram of the fixed disk structure of the utility model;
[0023] Figure 5 For the utility model Figure 4 Schematic diagram of the locally enlarged structure at point A in the middle.
[0024] Figure numerals: 1. Placement plate; 2. Lifting mechanism; 201. Electric telescopic rod; 202. Fixed plate; 203. Lifting plate; 3. Fixed block; 4. Limiting rod; 5. Extrusion groove; 6. Extrusion ring; 7. Left fixed ring; 8. Right fixed ring; 9. Cavity; 10. Positioning mechanism; 1001. Moving rod; 1002. Positioning rod; 1003. Tension spring; 11. Fixed groove; 12. Limiting groove; 13. Limiting rod. DETAILED DESCRIPTION
[0025] Hereinafter, only certain exemplary embodiments are briefly described. As will be appreciated by those skilled in the art, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and description are to be regarded as illustrative in nature and not restrictive.
[0026] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.
[0027] Example 1
[0028] like Figure 1 、 Figure 2 and Figure 4 As shown, an embodiment of the present invention provides a filter bag skeleton fixing device for a bag dust collector, comprising a placing plate 1, a lifting mechanism 2 is provided on the top of the placing plate 1, the lifting mechanism 2 comprises an electric telescopic rod 201, a fixed plate 202 and a lifting plate 203, the bottom of the electric telescopic rod 201 is fixedly connected to the top of the placing plate 1, the bottom of the fixed plate 202 is fixedly connected to the top of the electric telescopic rod 201, the bottom of the lifting plate 203 is fixedly connected to the output end of the electric telescopic rod 201, the left and right sides of the placing plate 1, the fixed plate 202 and the lifting plate 203 are fixedly connected with fixed blocks 3, the top of the fixed block 3 is fixedly connected with a limiting rod 4, the top of the limiting rod 4 passes through the top of the lifting plate 203, the top of the fixed plate 202 is provided with an extrusion groove 5, the bottom of the lifting plate 203 is fixedly connected to the extrusion ring 6, and the bottom of the extrusion ring 6 is movably connected to the inside of the extrusion groove 5.
[0029] Through the lifting mechanism 2, when the filter bag is fixed, the electric telescopic rod 201 is started to drive the lifting plate 203 to move downward, and the filter bag is clamped and fixed by the squeezing ring 6 to prevent it from loosening during use. Through the fixing block 3 and the limiting rod 4, the moving direction of the moving rod 1001 can be limited when the movable plate moves up and down, ensuring the normal use of the entire device.
[0030] Example 2
[0031] like Figure 1 、 Figure 2 、 Figure 4 and Figure 5As shown, in one embodiment, the top of the lifting plate 203 is movably connected to the left fixing ring 7 and the right fixing ring 8 through a rotating shaft. A cavity 9 is opened on the front side of the right fixing ring 8, and a positioning mechanism 10 is provided inside the cavity 9. The positioning mechanism 10 includes a moving rod 1001, a positioning rod 1002 and a tension spring 1003. The front side of the moving rod 1001 passes through the cavity 9 and extends to the front side of the right fixing ring 8, and the rear side of the moving rod 1001 passes through the interior of the cavity 9. The bottom of the positioning rod 1002 is fixedly connected to the bottom of the moving rod 1001, the bottom of the tension spring 1003 is fixedly connected to the top of the positioning rod 1002, and the top of the tension spring 1003 is fixedly connected to the inner wall of the cavity 9. The top of the positioning rod 1002 passes through the left fixing ring 8. Inside the fixed ring 7, the positioning mechanism 10 includes a moving rod 1001, a positioning rod 1002 and a tension spring 1003. The front side of the moving rod 1001 passes through the cavity 9 and extends to the front side of the right fixed ring 8. The rear side of the moving rod 1001 passes through the interior of the cavity 9. The bottom of the positioning rod 1002 is fixedly connected to the bottom of the moving rod 1001. The bottom of the tension spring 1003 is fixedly connected to the top of the positioning rod 1002. The top of the tension spring 1003 is fixedly connected to the inner wall of the cavity 9. The top of the positioning rod 1002 passes through the interior of the left fixed ring 7. The rear side of the positioning rod 1002 is fixedly connected to the limiting rod 13. A limiting groove 12 is provided inside the cavity 9. The rear side of the limiting rod 13 is movably connected to the inside of the limiting groove 12.
[0032] Through the positioning mechanism 10, when the fixing frame is installed, the moving rod 1001 is pulled, and the moving rod 1001 drives the positioning rod 1002 to move downward, which is convenient for docking and fixing the fixing frame and increases the convenience of installation. By setting the limit rod 13 and the limiting groove 12, the positioning rod 1002 can move according to the moving trajectory provided by the limiting groove 12.
[0033] When the present invention is working: first, pull the moving rod 1001 downward, and the moving rod 1001 drives the positioning rod 1002 to move downward. The positioning rod 1002 moves downward according to the moving trajectory provided by the limiting groove 12, and at the same time, the tension spring 1003 is stretched to make the positioning rod 1002 move downward. At this time, the left fixing ring 7 and the right fixing ring 8 can be opened. After the fixing frame is docked, the moving rod 1001 is released, and the positioning rod 1002 is reinserted into the interior of the fixing groove 11 by the return force of the tension spring 1003. After completion, the filter bag is placed on the surface of the fixing ring, and the electric telescopic rod 201 is started. The electric telescopic rod 201 drives the lifting plate 203 to move downward, and the surface of the filter bag is fixed by the extrusion ring 6, and the filter bag is stably clamped to prevent it from falling during use, thereby ensuring the normal use of the bag collector.
[0034] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art can easily conceive of various modifications or substitutions within the technical scope disclosed in the present invention, and such modifications or substitutions are intended to be within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be based on the scope of protection of the claims.
Claims
1. A filter bag frame fixing device for a bag filter, comprising a placement plate (1), characterized in that: A lifting mechanism (2) is provided on the top of the placement tray (1), and the lifting mechanism (2) comprises an electric telescopic rod (201), a fixed tray (202), and a lifting tray (203). The bottom of the electric telescopic rod (201) is fixedly connected to the top of the placement tray (1), the bottom of the fixed tray (202) is fixedly connected to the top of the electric telescopic rod (201), and the bottom of the lifting tray (203) is fixedly connected to the output end of the electric telescopic rod (201).
2. The filter bag frame fixing device for a bag dust collector according to claim 1, characterized in that: The left and right sides of the placement plate (1), the fixed plate (202) and the lifting plate (203) are all fixedly connected with fixed blocks (3), the top of the fixed block (3) is fixedly connected with a limiting rod (4), and the top of the limiting rod (4) passes through the top of the lifting plate (203).
3. The filter bag frame fixing device for a bag filter according to claim 2, characterized in that: An extrusion groove (5) is provided on the top of the fixed plate (202), the bottom of the lifting plate (203) is fixedly connected to the extrusion ring (6), and the bottom of the extrusion ring (6) is movably connected to the inside of the extrusion groove (5).
4. The filter bag frame fixing device for a bag dust collector according to claim 2, characterized in that: The top of the lifting plate (203) is movably connected to a left fixing ring (7) and a right fixing ring (8) via a rotating shaft. A cavity (9) is provided on the front side of the right fixing ring (8), and a positioning mechanism (10) is provided inside the cavity (9).
5. The filter bag frame fixing device for a bag filter according to claim 4, characterized in that: The positioning mechanism (10) comprises a moving rod (1001), a positioning rod (1002) and a tension spring (1003); the front side of the moving rod (1001) passes through the cavity (9) and extends to the front side of the right fixed ring (8); the rear side of the moving rod (1001) passes through the interior of the cavity (9); the bottom of the positioning rod (1002) is fixedly connected to the bottom of the moving rod (1001); the bottom of the tension spring (1003) is fixedly connected to the top of the positioning rod (1002); the top of the tension spring (1003) is fixedly connected to the inner wall of the cavity (9); and the top of the positioning rod (1002) passes through the interior of the left fixed ring (7).
6. The filter bag frame fixing device for a bag filter according to claim 5, characterized in that: A fixing groove (11) is provided on the surface of the left fixing ring (7), and the top of the left side of the positioning rod (1002) is movably connected to the inside of the fixing groove (11).
7. The filter bag frame fixing device for a bag filter according to claim 5, characterized in that: The rear side of the positioning rod (1002) is fixedly connected to a limiting rod (13), a limiting groove (12) is provided inside the cavity (9), and the rear side of the limiting rod (13) is movably connected to the inside of the limiting groove (12).
Citation Information
Patent Citations
Novel filter bag fixing device of bag-type dust collector
CN219922368U