A quick dismounting spiral wound filter membrane module
The quick-release structure design enables rapid assembly and disassembly of the spiral wound filter membrane module, solving the problem of cumbersome assembly and disassembly in the existing technology, improving replacement efficiency and reducing leakage risk.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHENJIANG WELLINGTON MEMBRANE CO LTD
- Filing Date
- 2025-07-08
- Publication Date
- 2026-05-29
AI Technical Summary
The existing spiral wound filter membrane module has a cumbersome disassembly and assembly process, which affects replacement efficiency.
It adopts a quick-release structure, including a fixed frame, sliding rod, arc plate, locking post, spring, etc. The sliding rod and arc plate are moved by the toggle rod, so that the locking post disengages from the locking hole, realizing quick removal of the cover. Mechanical locking is achieved by the moving groove, sliding rod, protective plate, spring, etc., improving the stability of the toggle rod.
The spiral-wound filter body can be quickly replaced without removing the bolts, improving replacement efficiency and enhancing the stability of the lever, thus reducing the risk of leakage.
Smart Images

Figure CN224292951U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of spiral wound filter membrane technology, and in particular to a spiral wound filter membrane assembly that can be quickly assembled and disassembled. Background Technology
[0002] Spiral wound membranes are a type of membrane separation technology powered by pressure difference. They achieve the filtration of macromolecular substances through a microporous structure. They are formed by multiple membrane bags wound around a central tube, resembling a long envelope, with the unsealed edges connected to the central tube.
[0003] However, in the existing technology, the mold cover of most spiral wound filter membranes is fixed to the housing by bolts, which is cumbersome to disassemble and assemble, affecting the replacement efficiency of spiral wound filter membranes. Therefore, a spiral wound filter membrane assembly that can be quickly disassembled and assembled is proposed. Utility Model Content
[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a quick-assembly and disassembly spiral wound filter membrane assembly.
[0005] To achieve the above objectives, the present invention adopts the following technical solution: a quick-release spiral filter membrane assembly, comprising a housing and a cover, wherein a drain pipe is fixedly connected to one side of the housing, a fixing block is fixedly connected to the outer wall of the housing, a snap-fit groove is provided on one side of each fixing block, a snap-fit block is slidably connected in each snap-fit groove, a snap-fit hole is provided on one side of each snap-fit block, and the opposite sides of two snap-fit blocks are fixedly connected to one side of the cover, and the housing is provided with a quick-release structure;
[0006] The quick-release structure includes a fixed frame fixedly connected to one side of the housing. A first sliding rod is slidably connected through one side of the fixed frame. An arc-shaped plate is fixedly connected to one end of the first sliding rod. The arc-shaped plate is slidably connected inside the fixed frame, so that the first sliding rod drives the arc-shaped plate to move and compresses the first spring.
[0007] As a further description of the above technical solution:
[0008] Two snap-fit posts are fixedly connected to one side of the arc-shaped plate. Each snap-fit post is slidably connected to one side of the corresponding fixed block and is adapted to the corresponding snap-fit hole. The arc-shaped plate drives the two snap-fit posts to move, so that the snap-fit posts disengage from the corresponding snap-fit holes.
[0009] As a further description of the above technical solution:
[0010] A first spring is fitted on the first sliding rod. One end of the first spring is fixedly connected to one side of the arc-shaped plate, and the other end is fixedly connected to one side of the inside of the fixed frame. Under the elasticity of the first spring, the arc-shaped plate drives the two locking pins to quickly lock into the corresponding locking holes.
[0011] As a further description of the above technical solution:
[0012] The other end of the first sliding rod is fixedly connected to a toggle frame. One side of the toggle frame is in contact with the outer side of the fixed frame. A toggle rod is fixedly connected to one side of the toggle frame. By toggling the toggle rod, the toggle rod drives the first sliding rod to move through the toggle frame.
[0013] As a further description of the above technical solution:
[0014] A movable groove is provided on one side of the actuating lever. A second sliding rod is fixedly connected inside the movable groove. A movable column is slidably connected to the second sliding rod. The movable column is slidably connected inside the movable groove. A toggle block is fixedly connected to one side of the movable column. A protective plate is fixedly connected to the upper surface of the movable column. One side of the protective plate is in contact with the inner side of the fixed frame. When the toggle block is moved away from the actuating frame with the thumb, the toggle block moves the movable column and compresses the second spring, causing the movable column to move the protective plate away from the inner side of the fixed frame.
[0015] As a further description of the above technical solution:
[0016] A second spring is fitted on the second sliding rod. One end of the second spring is fixedly connected to the inside side of the moving groove, and the other end is fixedly connected to one side of the moving column. Under the elasticity of the second spring, the moving column is pushed to move, so that the moving column drives the protective plate to slide quickly into the inside of the fixed frame and fit against the inside side of the fixed frame, thereby mechanically locking the toggle rod.
[0017] As a further description of the above technical solution:
[0018] The inner casing is slidably connected to a spiral-wound filter membrane body. One end of the spiral-wound filter membrane body is inserted into a central tube. Two second sealing grooves are opened on the central tube, and a second sealing ring is fitted in each second sealing groove. The two second sealing rings on the central tube connect and seal the inner sleeve and the spiral-wound filter membrane body, reducing the chance of leakage.
[0019] As a further description of the above technical solution:
[0020] A water inlet pipe is fixedly connected to one side of the shell cover. Two first sealing grooves are opened on the shell cover, and a first sealing ring is fitted in each first sealing groove. An inner sleeve is fixedly connected to one side of the inside of the shell cover. The inside of the inner sleeve is inserted into the other end of the central tube. The first sealing ring seals the connection between the shell and the shell cover, reducing the chance of water leakage at the connection between the shell and the shell cover.
[0021] This utility model has the following beneficial effects:
[0022] 1. Compared with existing technologies, this quick-assembly and disassembly spiral-wound filter membrane assembly, through the setting of a fixed frame, a first sliding rod, an arc plate, snap-fit posts, a first spring, a toggle frame, and a toggle rod, etc., moves the toggle rod, which in turn moves the first sliding rod through the toggle frame. The first sliding rod moves the arc plate and compresses the first spring. The arc plate moves the two snap-fit posts, causing the snap-fit posts to disengage from their corresponding snap-fit holes. Then, the cover is removed, and the spiral-wound filter membrane body inside is pulled out for replacement without removing bolts, thus improving the replacement efficiency of the spiral-wound filter membrane body.
[0023] 2. Compared with the existing technology, this quick-assembly and disassembly spiral filter membrane assembly, by setting a moving groove, a second sliding rod, a moving column, a protective plate, a toggle block and a second spring, etc., when the thumb is released, the moving column is pushed to move under the elasticity of the second spring, so that the moving column drives the protective plate to slide quickly into the interior of the fixed frame and fit against the inside side of the fixed frame, thereby mechanically locking the toggle rod and improving the stability of the toggle rod. Attached Figure Description
[0024] Figure 1 This is a three-dimensional structural diagram of a quick-assembly and disassembly spiral-wound filter membrane assembly proposed in this utility model.
[0025] Figure 2 This is a cross-sectional view of a quick-assembly and disassembly spiral wound filter membrane assembly proposed in this utility model.
[0026] Figure 3 This is a schematic diagram of the fixing block and snap-fit block of a quick-assembly and disassembly spiral-wound filter membrane assembly proposed in this utility model.
[0027] Figure 4 Exploded view of the fixing block and snap-fit block of a quick-assembly and disassembly spiral-wound filter membrane assembly proposed in this utility model;
[0028] Figure 5 This is a schematic diagram of the housing cover of a quick-assembly and disassembly spiral filter membrane assembly proposed in this utility model.
[0029] Figure 6 This is a schematic diagram of the quick-release structure of a spiral wound filter membrane assembly that can be quickly assembled and disassembled according to this utility model.
[0030] Figure 7 An exploded view of the quick-release structure of a spiral wound filter membrane assembly proposed in this utility model.
[0031] Figure 8 This utility model proposes a quick-assembly and disassembly spiral wound filter membrane assembly. Figure 7 - Enlarged view of section A.
[0032] Legend:
[0033] 1. Shell; 2. Drain pipe; 3. Shell cover; 4. Water inlet pipe; 5. Fixing block; 6. Snap-fit block; 7. Quick-release structure; 701. Fixing frame; 702. First sliding rod; 703. Arc plate; 704. Snap-fit post; 705. First spring; 706. Actuating frame; 707. Actuating rod; 708. Moving groove; 709. Second sliding rod; 710. Moving post; 711. Protective plate; 712. Actuating block; 713. Second spring; 8. Inner sleeve; 9. First sealing ring; 10. Rolled filter membrane body; 11. Central tube; 12. Second sealing ring. Detailed Implementation
[0034] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0035] Reference Figures 1 to 8 This utility model provides a quick-release spiral-wound filter membrane assembly, comprising a housing 1 and a cover 3. A drain pipe 2 is fixedly connected to one side of the housing 1, and a fixing block 5 is fixedly connected to the outer wall of the housing 1. Each fixing block 5 has a snap-fit groove on one side, and a snap-fit block 6 is slidably connected in each snap-fit groove. Each snap-fit block 6 has a snap-fit hole on one side, and the opposite sides of two snap-fit blocks 6 are fixedly connected to one side of the cover 3. The housing 1 is provided with a quick-release structure 7, and a spiral-wound filter membrane body 10 is slidably connected inside the housing 1. A central tube 11 is inserted into one end of the spiral-wound filter membrane body 10, and a central tube 11 has a... Two second sealing grooves are provided, and each second sealing groove is fitted with a second sealing ring 12. A water inlet pipe 4 is fixedly connected to one side of the shell cover 3. Two first sealing grooves are provided on the shell cover 3, and each first sealing groove is fitted with a first sealing ring 9. The first sealing ring 9 seals the connection between the shell 1 and the shell cover 3, reducing the probability of water leakage at the connection between the shell 1 and the shell cover 3. An inner sleeve 8 is fixedly connected to one side of the inside of the shell cover 3. The inside of the inner sleeve 8 is inserted into the other end of the central tube 11. The inner sleeve 8 and the spiral filter membrane body 10 are connected and sealed by the two second sealing rings 12 on the central tube 11, reducing the probability of leakage.
[0036] To achieve quick disassembly, the quick-disassembly structure 7 includes a fixed frame 701 fixedly connected to one side of the housing 1. A first sliding rod 702 is slidably connected through one side of the fixed frame 701. An arc-shaped plate 703 is fixedly connected to one end of the first sliding rod 702. A first spring 705 is sleeved on the first sliding rod 702. One end of the first spring 705 is fixedly connected to one side of the arc-shaped plate 703, and the other end is fixedly connected to the inside of the fixed frame 701. The arc-shaped plate 703 is slidably connected inside the fixed frame 701. Two snap-fit posts 704 are fixedly connected to one side of the arc-shaped plate 703. Each snap-fit post 704 is slidably connected through one side of the corresponding fixed block 5 and engages with the corresponding snap-fit post. With the holes matched, the other end of the first sliding rod 702 is fixedly connected to the actuating frame 706. One side of the actuating frame 706 is in contact with the outer side of the fixed frame 701. A toggle rod 707 is fixedly connected to one side of the actuating frame 706. When the toggle rod 707 is actuated, the actuating rod 707 drives the first sliding rod 702 to move through the actuating frame 706. The first sliding rod 702 drives the arc plate 703 to move and compresses the first spring 705. The arc plate 703 drives the two locking posts 704 to move, so that the locking posts 704 disengage from the corresponding locking holes. Then, the shell cover 3 is taken out, and the internal spiral filter membrane body 10 is pulled out for replacement. There is no need to remove the bolts, which improves the replacement efficiency of the spiral filter membrane body 10.
[0037] To achieve the locking purpose, a moving groove 708 is provided on one side of the toggle lever 707. A second sliding rod 709 is fixedly connected inside the moving groove 708. A moving column 710 is slidably connected to the second sliding rod 709. A second spring 713 is sleeved on the second sliding rod 709. One end of the second spring 713 is fixedly connected to one side of the inside of the moving groove 708, and the other end is fixedly connected to one side of the moving column 710. The moving column 710 is slidably connected inside the moving groove 708. A toggle block 712 is fixedly connected to one side of the moving column 710. A protective plate 711 is fixedly connected to the upper surface of the moving column 710. One side of the protective plate 711 is in contact with one side of the inside of the fixed frame 701. When the thumb is released, the elasticity of the second spring 713 pushes the moving column 710 to move, causing the moving column 710 to drive the protective plate 711 to slide quickly into the inside of the fixed frame 701 and fit against one side of the inside of the fixed frame 701, thereby mechanically locking the toggle lever 707 and improving the stability of the toggle lever 707.
[0038] Working principle: Grasp the actuating lever 707 with your hand, then use your thumb to move the lever 712 away from the actuating frame 706. The lever 712 moves the moving column 710 and compresses the second spring 713, causing the moving column 710 to move the protective plate 711 away from the inside of the fixed frame 701. Then, move the actuating lever 707. The actuating lever 707 moves the first sliding rod 702 through the actuating frame 706. The first sliding rod 702 moves the arc plate 703 and compresses the first spring 705. The arc plate 703 moves the two locking posts 704, causing the locking posts 704 to disengage from the corresponding locking holes. Then, remove the cover 3 and pull out the internal spiral filter membrane body 10 for replacement. The bolts need to be removed to improve the replacement efficiency of the spiral filter membrane body 10. After replacement, cover the shell 3 and let the snap-fit block 6 snap into the corresponding snap-fit groove. Then, move the lever 707 again. The lever 707 drives the lever frame 706 to rotate. Under the elasticity of the first spring 705, the arc plate 703 drives the two snap-fit posts 704 to quickly snap into the corresponding snap-fit holes. Then, release the thumb. Under the elasticity of the second spring 713, push the moving post 710 to move. The moving post 710 drives the protective plate 711 to quickly slide into the interior of the fixed frame 701 and fit against the interior side of the fixed frame 701, thereby mechanically locking the lever 707 and improving the stability of the lever 707.
[0039] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A quick-assembly and disassembly spiral wound filter membrane assembly, comprising a housing (1) and a cover (3), characterized in that: A drain pipe (2) is fixedly connected to one side of the housing (1), and a fixing block (5) is fixedly connected to the outer wall of the housing (1). Each fixing block (5) has a snap-fit groove on one side, and a snap-fit block (6) is slidably connected in each snap-fit groove. Each snap-fit block (6) has a snap-fit hole on one side, and the opposite sides of the two snap-fit blocks (6) are fixedly connected to one side of the cover (3). The housing (1) is provided with a quick-release structure (7). The quick-release structure (7) includes a fixed frame (701) fixedly connected to one side of the housing (1). A first sliding rod (702) is slidably connected through one side of the fixed frame (701). An arc plate (703) is fixedly connected to one end of the first sliding rod (702). The arc plate (703) is slidably connected inside the fixed frame (701).
2. The quick-assembly and disassembly spiral wound filter membrane assembly according to claim 1, characterized in that: Two snap-fit posts (704) are fixedly connected to one side of the arc plate (703). Each snap-fit post (704) is slidably connected to one side of the corresponding fixed block (5) and is adapted to the corresponding snap-fit hole.
3. The quick-assembly and disassembly spiral wound filter membrane assembly according to claim 1, characterized in that: A first spring (705) is sleeved on the first sliding rod (702). One end of the first spring (705) is fixedly connected to one side of the arc plate (703), and the other end is fixedly connected to one side of the inside of the fixed frame (701).
4. The quick-assembly and disassembly spiral wound filter membrane assembly according to claim 1, characterized in that: The other end of the first sliding rod (702) is fixedly connected to a toggle frame (706), one side of the toggle frame (706) is in contact with the outer side of the fixed frame (701), and one side of the toggle frame (706) is fixedly connected to a toggle rod (707).
5. A quick-assembly and disassembly spiral wound filter membrane assembly according to claim 4, characterized in that: A movable groove (708) is provided on one side of the actuating lever (707). A second sliding rod (709) is fixedly connected inside the movable groove (708). A movable column (710) is slidably connected on the second sliding rod (709). The movable column (710) is slidably connected inside the movable groove (708). A toggle block (712) is fixedly connected to one side of the movable column (710). A protective plate (711) is fixedly connected to the upper surface of the movable column (710). One side of the protective plate (711) is in contact with the inner side of the fixed frame (701).
6. A quick-assembly and disassembly spiral wound filter membrane assembly according to claim 5, characterized in that: A second spring (713) is fitted on the second sliding rod (709). One end of the second spring (713) is fixedly connected to one side of the inside of the moving groove (708), and the other end is fixedly connected to one side of the moving column (710).
7. A quick-assembly and disassembly spiral wound filter membrane assembly according to claim 1, characterized in that: The housing (1) is slidably connected to a spiral filter membrane body (10). One end of the spiral filter membrane body (10) is inserted into a central tube (11). Two second sealing grooves are opened on the central tube (11), and a second sealing ring (12) is fitted in each second sealing groove.
8. A quick-assembly and disassembly spiral wound filter membrane assembly according to claim 7, characterized in that: A water inlet pipe (4) is fixedly connected to one side of the shell cover (3). Two first sealing grooves are opened on the shell cover (3). A first sealing ring (9) is fitted in each first sealing groove. An inner sleeve (8) is fixedly connected to one side of the inside of the shell cover (3). The inside of the inner sleeve (8) is inserted into the other end of the central tube (11).