Bag filter
By designing an automatic lifting system in the bag filter, the problem of manual removal of the filter net bag in the prior art is solved, and a more efficient and safer removal process of the filter net bag is achieved.
Patent Information
- Application Number
- CN202421443164.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-21
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-06-21
AI Technical Summary
When using existing bag filters, the filter mesh bag needs to be manually removed. The process is cumbersome and easy to damage the filter mesh bag, affecting the efficiency of use.
A bag filter with lifting ring, sliding block, sliding track and screw is designed. The screw rod is driven to rotate by a motor, driving the sliding block to slide on the sliding track. The lifting ring moves up and down inside the filter, automatically lifting the filter net bag for easy removal.
The automated filter bag removal process is realized, which simplifies operation, reduces dependence on tools, avoids the risk of filter bag damage, and improves the efficiency of replacing or cleaning the filter bag.
Smart Images

Figure CN222677340U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of filters, in particular to a bag filter. Background Art
[0002] Bag filter is a multi-purpose filtering equipment with novel structure, small size, simple and flexible operation, energy saving, high efficiency, closed operation and strong applicability. Bag filter is a new type of filtering system. The filter bag is supported by a metal mesh basket inside the bag filter. The liquid flows in from the inlet and flows out from the outlet after being filtered by the filter bag. Impurities are intercepted in the filter bag. After replacing the filter bag, it can continue to be used.
[0003] When using the existing bag filter, people usually need to manually take out the filter net bag inside the filter. Since the inside of the filter is deep, the process of taking out the net bag is relatively troublesome, and people need to use tools to assist the operation. This is also easy to scratch the inner wall of the filter and may even damage the filter net bag, which brings certain adverse effects to people's use of the filter. In order to solve the shortcomings of the existing technology, we propose a bag filter. Utility Model Content
[0004] The main purpose of the utility model is to provide a bag filter, which can effectively solve the problems in the background technology.
[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0006] A bag filter comprises a filter body, wherein a filter net bag is arranged inside the filter body, a limit ring is arranged on the outer wall of the upper end of the filter net bag, a lifting ring is arranged on the lower end of the limit ring, sliding blocks are arranged on the outer walls of both sides of the lifting ring, a screw rod is arranged in the middle of a group of the sliding blocks, a motor is arranged at the lower end of the screw rod, sliding tracks are arranged between the two groups of the sliding blocks and the inner wall of the filter body, a sealing ring is arranged on the outer wall of the lifting ring, two groups of handles are arranged on the upper end of the limit ring, and a base is arranged at the lower end of the filter body.
[0007] Preferably, a filter cartridge is provided on the outer wall of the filter net bag, a connecting pipe is provided at the lower end of the filter cartridge, a switch valve is provided at the lower end of the connecting pipe, a discharge port is provided at the lower end of the switch valve, a cover plate is provided at the upper end of the filter body, a rotating block is provided at the rear end side wall of the cover plate, a rotating splint is provided at the upper end side wall of the filter body, three groups of connecting plates are also provided around the side wall of the cover plate, fixing bolts are provided in the middle of the three groups of connecting plates, and four groups of supporting legs are provided at the lower end of the base.
[0008] Preferably, the filter net bag is placed in the middle of the lifting ring through a set limiting ring, the filter net bag is detachably connected to the lifting ring through the set limiting ring, a sliding groove is provided between the sliding block and the sliding track, the sliding block is slidably connected to the sliding track through the set sliding groove, a threaded interface is provided between the screw rod and the sliding block, and the screw rod is detachably connected to the sliding block through the set threaded interface.
[0009] Preferably, a rotating bearing is provided between the screw rod and the sliding track, and the screw rod is rotatably connected to the sliding track through the rotating bearing. A mounting interface is provided between the motor and the base, and the motor is detachably connected to the base through the mounting interface.
[0010] Preferably, the filter net bag is placed in the middle of the filter cartridge, and connecting ports are provided between the connecting tube and the bottom and base of the filter body, and the connecting tube is detachably connected to the bottom and base of the filter body through the provided connecting ports.
[0011] Preferably, a rotating shaft is arranged between the rotating block and the rotating clamping plate, and the rotating block is rotatably connected to the rotating clamping plate via the arranged rotating shaft, a threaded interface is arranged between the fixing bolt and the filter body, and the fixing bolt is detachably connected to the filter body via the arranged threaded interface, and a rotating shaft is arranged between the connecting plate and the cover plate, and the connecting plate is rotatably connected to the cover plate via the arranged rotating shaft.
[0012] Beneficial Effects
[0013] Compared with the prior art, the utility model has the following beneficial effects:
[0014] 1. In the utility model, through the provided lifting ring, sliding block, sliding track and screw rod, the device can automatically lift the filter net bag from the inside of the filter, making it convenient for people to take out the filter net bag for cleaning or replacement, etc., without the aid of auxiliary tools, making the taking out process more convenient and making it simpler and faster for people to operate. The device has a simple and reasonable structure, which reduces the inconvenience of use for staff and improves the efficiency of replacing or cleaning the filter bag for staff. The motor inside the base is started to drive the screw rod to rotate in the middle of the sliding track. When the screw rod rotates, the sliding block will move on the outer wall of the screw rod and slide up and down in the middle of the sliding track, driving the lifting ring to perform lifting activities inside the filter body. When the lifting ring is lifted, the filter net bag in the middle will be lifted upward through the limiting ring to the height of the opening of the filter body, and people can take the filter net bag out of the filter body through the handle, which is convenient and quick to operate.
[0015] 2. In the utility model, the device can maintain the sealing of the connection through the provision of sealing rings, connecting plates and fixing bolts, and it is also convenient for people to open the device for filtering and other operations. When the lifting ring moves up and down inside the filter body, the sealing ring on the outer wall of the lifting ring will maintain the sealing of the connection between the lifting ring and the inner wall of the filter body, and the connecting plate and the fixing bolts will maintain the sealing of the connection between the cover plate and the filter body. The operation of opening the cover plate is also very simple and convenient. The fixing bolts are rotated to disconnect from the outer wall of the filter body, and then the connecting plate is flipped open. When one side of the cover plate is flipped open, the cover plate will rotate in the middle of the rotating splint through the rotating block, so that the cover plate can be lifted up for loading or taking out the filter net bag, and the operation process is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 It is a schematic diagram of the lifting structure of the filter net bag of the utility model;
[0018] Figure 3 This is a schematic diagram of the lifting ring connection structure of the utility model;
[0019] Figure 4 It is a schematic diagram of the structure of the filter net bag of the utility model.
[0020] In the figure: 1. filter body; 2. filter net bag; 3. rotating splint; 4. cover plate; 5. connecting plate; 6. fixing bolt; 7. rotating block; 8. base; 9. supporting leg; 10. sliding block; 11. screw rod; 12. motor; 13. filter cartridge; 14. connecting pipe; 15. switch valve; 16. discharge port; 17. lifting ring; 18. sealing ring; 19. sliding track; 20. limit ring; 21. handle. DETAILED DESCRIPTION
[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0022] like Figure 1-4As shown, a bag filter comprises a filter body 1, wherein a filter net bag 2 is arranged inside the filter body 1, and substances to be filtered will be filtered through the filter net bag 2, a limit ring 20 is arranged on the outer wall of the upper end of the filter net bag 2, and a lifting ring 17 is arranged at the lower end of the limit ring 20, the limit ring 20 supports the filter net bag 2 on the upper end of the lifting ring 17, and the lifting ring 17 can drive the filter net bag 2 to move up and down through the limit ring 20, and sliding blocks 10 are arranged on the outer walls of both sides of the lifting ring 17, and a screw rod 11 is arranged in the middle of a group of sliding blocks 10, and the screw rod 11 is threadedly connected to the sliding block 10, and a motor 12 is arranged at the lower end of the screw rod 11, and the motor 12 can drive the screw rod 11 to rotate, and when the screw rod 11 rotates, the sliding block 10 will move up and down on the outer wall of the screw rod 11, and sliding tracks 19 are arranged between the two groups of sliding blocks 10 and the inner wall of the filter body 1, and the screw rod 11 rotates to make the sliding block 10 move in the middle of the sliding track 19 The lifting ring 17 moves up and down, and the outer wall of the lifting ring 17 is provided with a sealing ring 18. The sealing ring 18 maintains the sealing between the lifting ring 17 and the inner wall of the filter body 1 when the lifting ring 17 is moving. Two sets of handles 21 are provided on the upper end of the limiting ring 20. The handles 21 are convenient for people to take out the filter net bag 2 from the inside of the filter body 1. The lower end of the filter body 1 is provided with a base 8, and the motor 12 is installed inside the base 8. The motor 12 inside the base 8 is started, driving the screw rod 11 to rotate in the middle of the sliding track 19. When the screw rod 11 rotates, the sliding block 10 will move on the outer wall of the screw rod 11 and slide up and down in the middle of the sliding track 19, driving the lifting ring 17 to move up and down in the inside of the filter body 1. When the lifting ring 17 is raised, the middle filter net bag 2 will be lifted upward through the limiting ring 20 to the height of the opening of the filter body 1, and people can take the filter net bag 2 out of the filter body 1 through the handle 21.
[0023] like Figure 1-4As shown, the outer wall of the filter net bag 2 is provided with a filter cartridge 13, and the material filtered by the filter net bag 2 will enter the middle of the filter cartridge 13, and the lower end of the filter cartridge 13 is provided with a connecting pipe 14, and the connecting pipe 14 passes through the bottom of the filter body 1 and the middle of the base 8, and the lower end of the connecting pipe 14 is provided with a switch valve 15, and the switch valve 15 is arranged at the lower end of the base 8, and the lower end of the switch valve 15 is provided with a discharge port 16, and the material in the middle of the filter cartridge 13 is discharged outwardly from the discharge port 16, and the switch valve 15 controls the switch of the discharge port 16, and the upper end of the filter body 1 is provided with a cover plate 4, and the cover plate 4 maintains the sealing of the upper end of the filter body 1, and the rear end side wall of the cover plate 4 is provided with a rotating block 7, and the upper end side wall of the filter body 1 is provided with a rotating splint 3, and a rotating shaft is provided between the rotating block 7 and the rotating splint 3. The block 7 can rotate in the middle of the rotating splint 3, and the cover plate 4 rotates at the upper end of the filter body 1 through the rotating block 7 and the rotating splint 3. Three groups of connecting plates 5 are also arranged around the side wall of the cover plate 4. The connecting plate 5 is used to maintain the sealing between the cover plate 4 and the filter body 1. Fixing bolts 6 are arranged in the middle of the three groups of connecting plates 5. Threaded holes are arranged between the fixing bolts 6 and the side walls of the filter body 1. The fixing bolts 6 connect the connecting plates 5 to the side walls of the filter body 1. Four groups of supporting legs 9 are arranged at the lower end of the base 8. The supporting legs 9 support the base 8 and the filter body 1. The fixing bolts 6 are rotated to disconnect from the outer wall of the filter body 1, and then the connecting plate 5 is turned over. One side of the cover plate 4 is turned over, and the cover plate 4 can be rotated in the middle of the rotating splint 3 through the rotating block 7, so that the cover plate 4 can be lifted up.
[0024] It should be noted that the utility model is a bag filter. When in use, the fixing bolt 6 is rotated to disconnect from the outer wall of the filter body 1, and then the connecting plate 5 is opened, and one side of the cover plate 4 is opened. The cover plate 4 will rotate in the middle of the rotating clamping plate 3 through the rotating block 7, so that the cover plate 4 can be lifted up, and then the material to be filtered is placed in the middle of the filter net bag 2, and the cover plate 4 is closed. The material passes through the filter net bag 2 and enters the interior of the filter cartridge 13, and then the switch valve 15 is opened, and the filtered material is discharged from the discharge port 16, and then Open the cover 4, and the motor 12 inside the base 8 starts, driving the screw rod 11 to rotate in the middle of the sliding track 19. When the screw rod 11 rotates, the sliding block 10 will move on the outer wall of the screw rod 11, and slide up and down in the middle of the sliding track 19, driving the lifting ring 17 to perform lifting activities inside the filter body 1. When the lifting ring 17 is raised, the filter net bag 2 in the middle will be lifted upward through the limit ring 20 to the height of the opening of the filter body 1, and people can take the filter net bag 2 out of the filter body 1 through the handle 21.
[0025] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A bag filter, comprising a filter body (1), characterized in that: A filter net bag (2) is arranged inside the filter body (1), a limit ring (20) is arranged on the outer wall of the upper end of the filter net bag (2), a lifting ring (17) is arranged at the lower end of the limit ring (20), sliding blocks (10) are arranged on the outer walls of both sides of the lifting ring (17), a screw rod (11) is arranged in the middle of a group of sliding blocks (10), a motor (12) is arranged at the lower end of the screw rod (11), sliding tracks (19) are arranged between the two groups of sliding blocks (10) and the inner wall of the filter body (1), a sealing ring (18) is arranged on the outer wall of the lifting ring (17), two groups of handles (21) are arranged at the upper end of the limit ring (20), and a base (8) is arranged at the lower end of the filter body (1).
2. A bag filter according to claim 1, characterized in that: The outer wall of the filter net bag (2) is provided with a filter cartridge (13), the lower end of the filter cartridge (13) is provided with a connecting pipe (14), the lower end of the connecting pipe (14) is provided with a switch valve (15), the lower end of the switch valve (15) is provided with a discharge port (16), the upper end of the filter body (1) is provided with a cover plate (4), the rear end side wall of the cover plate (4) is provided with a rotating block (7), the upper end side wall of the filter body (1) is provided with a rotating clamping plate (3), three groups of connecting plates (5) are also provided around the side wall of the cover plate (4), the middle of the three groups of connecting plates (5) are provided with fixing bolts (6), and the lower end of the base (8) is provided with four groups of supporting legs (9).
3. A bag filter according to claim 1, characterized in that: The filter net bag (2) is placed in the middle of the lifting ring (17) through a set limit ring (20), and the filter net bag (2) is detachably connected to the lifting ring (17) through the set limit ring (20). A sliding groove is provided between the sliding block (10) and the sliding track (19), and the sliding block (10) is slidably connected to the sliding track (19) through the set sliding groove. A threaded interface is provided between the screw rod (11) and the sliding block (10), and the screw rod (11) is detachably connected to the sliding block (10) through the set threaded interface.
4. A bag filter according to claim 1, characterized in that: A rotating bearing is provided between the screw rod (11) and the sliding track (19), and the screw rod (11) is rotationally connected to the sliding track (19) via the rotating bearing. A mounting interface is provided between the motor (12) and the base (8), and the motor (12) is detachably connected to the base (8) via the mounting interface.
5. A bag filter according to claim 2, characterized in that: The filter net bag (2) is placed in the middle of the filter cartridge (13), and connection ports are provided between the connection pipe (14) and the bottom of the filter body (1) and the base (8), and the connection pipe (14) is detachably connected to the bottom of the filter body (1) and the base (8) through the provided connection ports.
6. A bag filter according to claim 2, characterized in that: A rotating shaft is provided between the rotating block (7) and the rotating clamping plate (3), and the rotating block (7) is rotatably connected to the rotating clamping plate (3) via the rotating shaft. A threaded interface is provided between the fixing bolt (6) and the filter body (1), and the fixing bolt (6) is detachably connected to the filter body (1) via the threaded interface. A rotating shaft is provided between the connecting plate (5) and the cover plate (4), and the connecting plate (5) is rotatably connected to the cover plate (4) via the rotating shaft.