Filter bag framework convenient to replace
By designing a detachable structure for the upper and lower end plates and an arc-shaped support rod assembly, the problem of cumbersome overall disassembly and assembly of the filter bag frame is solved, enabling convenient replacement of the arc-shaped support rod and an increase in filtration area.
Patent Information
- Application Number
- CN202423069468.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2025-11-14
- Estimated Expiration
- 2034-12-12
AI Technical Summary
The existing filter bag frame requires complete disassembly and reassembly when a single arc-shaped member is damaged, which is troublesome and wasteful of resources.
The upper and lower end plates are connected by a detachable structure. The design of the arc-shaped bone rod, fixing rod and reinforcing ring, combined with components such as fixing groove, sliding groove and fixing spring, makes it easy to assemble and disassemble the arc-shaped bone rod.
It enables convenient replacement of the arc-shaped support rod, reduces the hassle of disassembly and assembly, saves resources, and increases the inner surface area of the filter bag to improve filtration efficiency.
Smart Images

Figure CN223542642U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of filter bag frame technology, and in particular to a filter bag frame that is easy to replace. Background Technology
[0002] Dust collector filter bag cages are accessories in pulse jet baghouse dust collectors, used to support the dust collector filter bags and improve dust removal efficiency. The dust collector filter bag cages are mainly customized according to the requirements of the installation environment.
[0003] Currently, a Chinese patent announcement (CN219323992U) discloses a replaceable filter bag frame, comprising: an upper connecting plate and a frame. Multiple frames are fixedly connected to one end of the upper connecting plate, and a lower connecting plate is fixedly connected to the other end of the frames. A sleeve is fitted around the frame, and an adjusting bolt is rotatably connected to the intersection of the support rods of the sleeve. The adjusting bolt passes through the upper connecting plate and is fixedly connected to a rotating plate at the end away from the sleeve. The adjusting bolt is threadedly connected to the upper connecting plate. Multiple return springs are fixedly connected to the top of the upper connecting plate, and a pressing plate is fixedly connected to the end of each return spring away from the upper connecting plate. A slot is formed at the bottom of the pressing plate, and the return spring is fixedly connected inside the slot. Multiple sets of limiting components are fixedly connected to the top of the upper connecting plate. This replaceable filter bag frame facilitates filter bag replacement, provides good support for the filter bag, and improves the filtration efficiency of the filter bag.
[0004] In practical use, it was found that when a single arc-shaped support in the filter bag frame is damaged, the entire filter bag frame needs to be disassembled and replaced, which is not only troublesome to disassemble and replace but also wastes resources. Therefore, we proposed a filter bag frame that is easy to replace to solve the above problems. Utility Model Content
[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a filter bag frame that is easy to replace.
[0006] To achieve the above objectives, the present invention adopts the following technical solution:
[0007] A filter bag frame that is easy to replace includes an upper plate, fixing rods and a lower plate. Multiple fixing rods are installed in a ring at equal intervals at the bottom of the upper plate. The bottom ends of the multiple fixing rods are fixedly installed with the same lower plate. Multiple arc-shaped frame rods are installed between the upper plate and the lower plate through a detachable structure.
[0008] Multiple mounting slots are provided on the side of the upper and lower end plates that are close to each other. One side of the mounting slot is set as an opening. Mounting seats are fixedly installed on the top and bottom of the arc-shaped bone rod, and the mounting seats are adapted to the corresponding mounting slots.
[0009] Fixed grooves are provided on the inner walls of the two mounting slots located on the same vertical axis and on the opposite sides. Moving grooves are provided on the opposite sides of the two mounting seats located on the same vertical axis. Fixed seats are slidably installed in the moving grooves and are adapted to the corresponding fixed grooves. Fixed springs are fixedly installed on the fixed seats, and one end of the fixed springs is fixedly installed on the inner wall of the moving grooves.
[0010] Preferably, a sliding groove is provided on the inner wall of each of the two mounting grooves located on the same vertical axis that are far apart from each other, and a trapezoidal seat adapted to the mounting base is slidably installed in the sliding groove.
[0011] Preferably, a connecting spring is fixedly installed on the inner wall of the sliding groove on the side away from its opening, and one end of the connecting spring is fixedly installed on the trapezoidal seat.
[0012] Preferably, a slanted groove is provided on one side of the fixed base, and an insertion hole is provided on the inner wall of one side of the movable groove. An insertion rod is slidably installed in the insertion hole, and the insertion rod is adapted to the slanted groove.
[0013] Preferably, one end of the insertion rod is fixedly installed with a compression seat, and the compression seat is adapted to the corresponding trapezoidal seat.
[0014] Preferably, a spring groove is provided on one side of the mounting base, the spring groove is connected to the insertion hole, and a return spring is fixedly installed on one side of the compression base, with one end of the return spring fixedly installed on the inner wall of the spring groove.
[0015] Preferably, the extrusion seat has a limiting hole, a T-shaped limiting rod is slidably installed in the limiting hole, and one end of the T-shaped limiting rod is fixedly installed on the corresponding mounting seat.
[0016] Preferably, the top of the upper plate is detachably mounted with an installation plate, and the same reinforcing ring is fixedly mounted on the outer side of multiple fixing rods, with the reinforcing ring in contact with the arc-shaped bone rod.
[0017] The beneficial effects of this utility model are:
[0018] 1. The upper and lower end plates can be reinforced by the fixing rod and the reinforcing ring. The arc-shaped support increases the surface area of the inner surface of the filter bag, thereby increasing the filtration area.
[0019] 2. When one of the multiple arc-shaped ribs is damaged, by pressing the compression seat, the compression seat moves and compresses the trapezoidal seat, so that the trapezoidal seat can compress the connecting spring and be stored in the sliding groove, thereby initially releasing the fixing of the mounting seat.
[0020] 3. When the compression seat moves, it can drive the insertion rod to move. The insertion rod squeezes the fixed seat through the inclined groove, so that the fixed seat can compress the fixing spring and disengage from the fixing groove. This can release the fixing of the mounting seat and the arc-shaped bone rod, making it convenient to disassemble and replace the arc-shaped bone rod. Attached Figure Description
[0021] Figure 1 This is a three-dimensional structural diagram of a filter bag frame that is easy to replace according to the present invention.
[0022] Figure 2 This is a partial cross-sectional view of a filter bag frame that is easy to replace according to the present invention.
[0023] Figure 3 This is a three-dimensional structural diagram of the arc-shaped skeleton of a filter bag frame that is easy to replace, as proposed in this utility model.
[0024] Figure 4 This is a schematic diagram of part A of a filter bag frame that is easy to replace, as proposed in this utility model.
[0025] Figure 5 This is a schematic diagram of part B of a filter bag frame that is easy to replace, as proposed in this utility model.
[0026] In the diagram: 101, upper plate; 102, fixing rod; 103, lower plate; 104, arc-shaped bone rod; 105, reinforcing ring; 2, mounting plate; 301, mounting groove; 302, mounting base; 401, fixing groove; 402, moving groove; 403, fixing base; 404, fixing spring; 501, sliding groove; 502, trapezoidal base; 503, connecting spring; 601, inclined groove; 602, insertion hole; 603, insertion rod; 604, compression base; 701, spring groove; 702, return spring; 8, T-shaped limit rod. Detailed Implementation
[0027] The following is in conjunction with the appendix Figure 1-5 This application will be described in further detail.
[0028] This application discloses a filter bag frame that is easy to replace.
[0029] Reference Figure 1-5A replaceable filter bag frame includes an upper plate 101, fixing rods 102, and a lower plate 103. Multiple fixing rods 102 are evenly spaced in a ring at the bottom of the upper plate 101. The bottom ends of the multiple fixing rods 102 are fixedly mounted on the same lower plate 103. Multiple arc-shaped support rods 104 are detachably mounted between the upper plate 101 and the lower plate 103. Multiple mounting grooves 301 are formed on the side of the upper plate 101 and the lower plate 103 that are close to each other. One side of the mounting groove 301 is open. The top and bottom of the arc-shaped support rods 104 are fixedly mounted on... There is a mounting base 302, and the mounting base 302 is adapted to the corresponding mounting groove 301. The inner walls of the two mounting grooves 301 located on the same vertical axis are provided with fixing grooves 401 on the side away from each other. The two mounting bases 302 located on the same vertical axis are provided with moving grooves 402 on the side away from each other. A fixing base 403 is slidably installed in the moving groove 402, and the fixing base 403 is adapted to the corresponding fixing groove 401. A fixing spring 404 is fixedly installed on the fixing base 403, and one end of the fixing spring 404 is fixedly installed on the inner wall of the moving groove 402.
[0030] In this embodiment, sliding grooves 501 are provided on the inner walls of the two mounting grooves 301 located on the same vertical axis and on the side away from each other. A trapezoidal seat 502 adapted to the mounting base 302 is slidably installed in the sliding groove 501. By providing the trapezoidal seat 502, when the mounting base 302 is installed in the mounting groove 301, it can block the mounting base 302 in the horizontal direction, thereby preventing the mounting base 302 from falling out of the mounting groove 301.
[0031] In this embodiment, a connecting spring 503 is fixedly installed on the inner wall of the sliding groove 501 away from its opening. One end of the connecting spring 503 is fixedly installed on the trapezoidal seat 502. With the connecting spring 503, the connecting spring 503 can push the trapezoidal seat 502 to reset. A slanted groove 601 is opened on one side of the fixed seat 403. An insertion hole 602 is opened on the inner wall of one side of the moving groove 402. An insertion rod 603 is slidably installed in the insertion hole 602, and the insertion rod 603 is adapted to the slanted groove 601. With the insertion rod 603, the movement of the insertion rod 603 through the slanted groove 601 can push the fixed seat 403 to move.
[0032] In this embodiment, a pressing seat 604 is fixedly installed at one end of the insertion rod 603, and the pressing seat 604 is adapted to the corresponding trapezoidal seat 502. By providing the trapezoidal seat 502, the movement of the trapezoidal seat 502 can press the trapezoidal seat 502, so that the trapezoidal seat 502 can be stored in the sliding groove. A spring groove 701 is provided on one side of the mounting base 302, and the spring groove 701 is connected to the insertion hole 602. A return spring 702 is fixedly installed on one side of the pressing seat 604, and one end of the return spring 702 is fixedly installed on the inner wall of the spring groove 701. By providing the return spring 702, the return spring 702 can drive the pressing seat 604 to return to its original position.
[0033] In this embodiment, a limiting hole is provided on the extrusion seat 604, and a T-shaped limiting rod 8 is slidably installed in the limiting hole. One end of the T-shaped limiting rod 8 is fixedly installed on the corresponding mounting seat 302. By setting the T-shaped limiting rod 8, the extrusion seat 604 can be guided, thereby enabling the extrusion seat 604 to move stably. The top of the upper plate 101 is detachably installed with a mounting plate 2. The same reinforcing ring 105 is fixedly installed on the outer side of multiple fixing rods 102, and the reinforcing ring 105 is in contact with the arc-shaped bone rod 104. By setting the reinforcing ring 105, the multiple arc-shaped bone rods 104 can be supported.
[0034] In this invention, the fixing rod 102 and the reinforcing ring 105 can reinforce the upper end plate 101 and the lower end plate 103. The arc-shaped support rod 104 increases the area of the inner surface of the filter bag, thereby increasing the filtration area. When one of the multiple arc-shaped support rods 104 is damaged, pressing the compression seat 604 causes it to move and compress the trapezoidal seat 502, thus compressing the connecting spring 503. The rod is stored in the sliding groove 501, which can initially release the fixing of the mounting base 302. When the pressing base 604 moves, the pressing base 604 can drive the insert rod 603 to move. The insert rod 603 presses the fixing base 403 through the inclined groove 601, so that the fixing base 403 can compress the fixing spring 404 and disengage from the fixing groove 401, which can release the fixing of the mounting base 302 and the arc-shaped bone rod 104, making it easier to disassemble and assemble the arc-shaped bone rod 104.
[0035] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.
Claims
1. A filter bag frame that is easy to replace, characterized in that, It includes an upper plate (101), a fixing rod (102) and a lower plate (103). The bottom of the upper plate (101) is equipped with a plurality of fixing rods (102) at equal intervals in a ring. The bottom ends of the plurality of fixing rods (102) are fixedly installed with the same lower plate (103). A plurality of arc-shaped bone rods (104) are installed between the upper plate (101) and the lower plate (103) through a detachable structure. The upper end plate (101) and the lower end plate (103) are provided with multiple mounting slots (301) on the side close to each other. One side of the mounting slot (301) is set as an opening. The top and bottom of the arc-shaped bone rod (104) are fixedly installed with mounting bases (302), and the mounting bases (302) are adapted to the corresponding mounting slots (301). Two mounting slots (301) located on the same vertical axis each have a fixed slot (401) on the inner wall of the side away from each other. Two mounting seats (302) located on the same vertical axis each have a movable slot (402) on the side away from each other. A fixed seat (403) is slidably installed in the movable slot (402), and the fixed seat (403) is adapted to the corresponding fixed slot (401). A fixed spring (404) is fixedly installed on the fixed seat (403), and one end of the fixed spring (404) is fixedly installed on the inner wall of the movable slot (402).
2. The filter bag frame for easy replacement according to claim 1, characterized in that, The two mounting grooves (301) located on the same vertical axis are provided with sliding grooves (501) on the inner walls of the opposite sides. A trapezoidal seat (502) adapted to the mounting base (302) is slidably installed in the sliding groove (501).
3. The filter bag frame for easy replacement according to claim 2, characterized in that, A connecting spring (503) is fixedly installed on the inner wall of the sliding groove (501) away from its opening, and one end of the connecting spring (503) is fixedly installed on the trapezoidal seat (502).
4. The filter bag frame for easy replacement according to claim 1, characterized in that, The fixed base (403) has an inclined groove (601) on one side, and the movable groove (402) has an insertion hole (602) on one side inner wall. An insertion rod (603) is slidably installed in the insertion hole (602), and the insertion rod (603) is adapted to the inclined groove (601).
5. The filter bag frame for easy replacement according to claim 4, characterized in that, One end of the insertion rod (603) is fixedly installed with a compression seat (604), and the compression seat (604) is adapted to the corresponding trapezoidal seat (502).
6. A filter bag frame for easy replacement according to claim 5, characterized in that, A spring groove (701) is provided on one side of the mounting base (302), and the spring groove (701) is connected to the insertion hole (602). A return spring (702) is fixedly installed on one side of the compression base (604), and one end of the return spring (702) is fixedly installed on the inner wall of the spring groove (701).
7. A filter bag frame for easy replacement according to claim 6, characterized in that, The extrusion seat (604) has a limiting hole, and a T-shaped limiting rod (8) is slidably installed in the limiting hole, with one end of the T-shaped limiting rod (8) fixedly installed on the corresponding mounting seat (302).
8. The filter bag frame for easy replacement according to claim 1, characterized in that, The top of the upper plate (101) is detachably mounted with an installation plate (2), and the same reinforcing ring (105) is fixedly mounted on the outer side of multiple fixing rods (102), and the reinforcing ring (105) is in contact with the arc-shaped bone rod (104).
Citation Information
Patent Citations
Filter bag framework convenient to replace
CN219323992U