Membrane fixing device for ultrafiltration membrane
By setting an installation mechanism between the filter housing and the ultrafiltration membrane filter element, and using guide grooves, end rings, mounting sleeves and threaded connections, the problem of laborious installation and disassembly of ultrafiltration membrane filter elements is solved, and convenient filter element fixing and replacement are achieved.
Patent Information
- Application Number
- CN202520156731.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-22
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-22
AI Technical Summary
Existing ultrafiltration membrane filter cartridges are laborious and inconvenient to install and remove, and friction makes them difficult to insert or remove.
An installation mechanism is provided between the filter housing and the ultrafiltration membrane filter element, including a guide groove, end ring, mounting sleeve, slider, pulley, internal thread groove and connecting ring. It is fixed by threaded connection and sealing components, which simplifies the installation and disassembly process.
It enables convenient installation and removal of ultrafiltration membrane filter cartridges, reduces the impact of friction on operation, and improves installation efficiency.
Smart Images

Figure CN223747339U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to ultrafiltration membrane component technical field, especially in kind of ultrafiltration membrane membrane fixing device. BACKGROUND
[0002] Ultrafiltration membrane is a kind of microporous filter membrane, its rated aperture range is 0.001-0.02 microns, under certain pressure, solvent and small molecule solute in solution can reach the other side of membrane by the micropore of ultrafiltration membrane, and macromolecular solute is retained, to realize the effect of filtration separation, it is a kind of widely used water treatment filtration equipment, and its core component is composed of filter shell and internal ultrafiltration membrane filter core.
[0003] The existing ultrafiltration membrane filter core assembly has the following disadvantages in installation and use process: the existing ultrafiltration membrane filter core is generally inserted into the filter shell inside when fixed, then fastener is installed at the connecting end to be fixed, although the position of membrane filter core can be fixed, but the installation assembly is single in function, only has basic fixed positioning function, when inserting or replacing ultrafiltration membrane filter core, due to the friction force between membrane body and shell interior, the installation and removal process is very laborious, and inconvenient to operate, therefore, we provide a kind of ultrafiltration membrane membrane fixing device. UTILITY MODEL CONTENT
[0004] The main purpose of the utility model is to provide a kind of ultrafiltration membrane membrane fixing device, installation mechanism is arranged between filter shell and ultrafiltration membrane filter core, membrane filter core assembly can be fixed, and the installation and removal process of filter core assembly is facilitated, the problems in the background art can be effectively solved.
[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:
[0006] A kind of ultrafiltration membrane membrane fixing device, including filter shell, still including ultrafiltration membrane filter core and installation mechanism, the filter shell inside is detachably connected with ultrafiltration membrane filter core and installation mechanism is arranged between ultrafiltration membrane filter core and filter shell, the installation mechanism includes guide slot, end ring, installation sleeve, sliding block, pulley, internal screw groove, connecting ring and outer screw groove, the guide slot is set in the both sides of filter shell inner wall, and the end ring is fixedly connected in one end of filter shell interior, the installation sleeve is slidably connected in filter shell interior by guide slot, and the sliding block that is inserted into the guide slot is detachably connected on the both sides of installation sleeve surface, the pulley is installed on the one side of sliding block surface towards guide slot inner wall, the internal screw groove is set in the inner wall of installation sleeve, and the connecting ring is fixedly connected on the one end of ultrafiltration membrane filter core outer periphery, and the outer screw groove that is matched with internal screw groove is set in the outer wall of connecting ring.
[0007] Further, the fixing mechanism is arranged between the ultrafiltration membrane filter core and the filter shell, the fixing mechanism comprises a sleeve, a mounting hole A, a positioning ring and a mounting hole B, the sleeve is fixedly connected to the outer periphery of the ultrafiltration membrane filter core away from one end of the connecting ring, mounting holes A are formed in the both sides of the surface of the sleeve, the positioning ring is fixedly connected to the inside of the filter shell away from one end of the end ring, and the mounting hole B is formed in the surface of the filter shell close to the positioning ring; when the ultrafiltration membrane filter core assembly is inserted into the filter shell and is in place, the sleeve located at the outer periphery of the ultrafiltration membrane filter core is inserted into the inside of the positioning ring, the mounting hole A in the inside of the sleeve is aligned with the mounting hole B in the inside of the positioning ring, the sealing assembly is inserted at the connecting position, and the fastener is screwed in, so that the position of the ultrafiltration membrane filter core is fixed, and the fastener at the connecting position is screwed out when the ultrafiltration membrane filter core is disassembled.
[0008] Further, screw holes are formed in the corresponding positions between the inside of the mounting sleeve and the inside of the sliding block, and bolts are detachably connected between the screw holes.
[0009] Further, a rubber ring is attached to one side of the surface of the mounting sleeve away from the end ring, and the rubber ring is attached to the surface of the end ring.
[0010] Further, the mounting hole A is aligned with the mounting hole B, and the fastener is screwed in, so that the ultrafiltration membrane filter core assembly is fixed.
[0011] Compared with the prior art, the utility model has the advantages that the flush guide groove structure is arranged on the inner wall of the filter shell, the mounting sleeve is connected with the inner wall of the guide groove through the sliding blocks and the pulley structures at both ends, when the ultrafiltration membrane filter core is installed, the connecting ring at the outer periphery of the ultrafiltration membrane filter core is aligned with the mounting sleeve and is screwed in, the ultrafiltration membrane filter core and the mounting sleeve are connected together through the cooperation of the outer screw groove and the inner screw groove, then the mounting sleeve is pushed into the filter shell until the mounting sleeve is attached to the end ring, when the ultrafiltration membrane filter core is replaced, the fastener is pulled out and is translated outward, so that the ultrafiltration membrane filter core is pulled out, because the ultrafiltration membrane filter core and the mounting sleeve are connected together, and the sliding blocks and the guide wheels are arranged on both sides of the mounting sleeve and are connected with the guide groove, the membrane body structure is conveniently installed, and the insertion and extraction of the ultrafiltration membrane filter core is smoother, and the problem that the membrane body is not easy to insert and extract due to the friction with the inner wall of the shell is solved. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is the whole structure schematic view of the ultrafiltration membrane fixing device.
[0013] Figure 2 It is the filter shell internal structure schematic view of the ultrafiltration membrane fixing device.
[0014] Figure 3 It is the ultrafiltration membrane filter core both ends structure schematic view of the ultrafiltration membrane fixing device.
[0015] Figure 4 It is the mounting sleeve structure schematic view of the ultrafiltration membrane fixing device.
[0016] In the drawing: 1, filter shell;2, ultrafiltration membrane filter core;3, mounting mechanism;301, guide groove;302, end ring;303, mounting sleeve;304, sliding block;305, pulley;306, screw hole;307, bolt;308, inner screw groove;309, rubber ring;310, connecting ring;311, outer screw groove;4, fixing mechanism;401, sleeve ring;402, mounting hole A;403, positioning ring;404, mounting hole B. DETAILED DESCRIPTION
[0017] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.
[0018] As Figures 1-4 shown, an ultrafiltration membrane fixing device, comprising a filter shell 1, further comprising an ultrafiltration membrane filter core 2 and a mounting mechanism 3, the filter shell 1 inside detachable connection has ultrafiltration membrane filter core 2 and the between ultrafiltration membrane filter core 2 and filter shell 1 is provided with mounting mechanism 3, the mounting mechanism 3 includes guide groove 301, end ring 302, mounting sleeve 303, sliding block 304, pulley 305, inner screw groove 308, connecting ring 310 and outer screw groove 311, the filter shell 1 inner wall both sides are provided with guide groove 301 and the filter shell 1 inside one end is fixedly connected with end ring 302, the filter shell 1 inside is slidably connected with mounting sleeve 303 through guide groove 301 and the surface both sides of mounting sleeve 303 are detachably connected with sliding block 304 inserted into the inside guide groove 301, the sliding block 304 surface is installed with pulley 305 towards the guide groove 301 inner wall one side, the mounting sleeve 303 inner wall is provided with inner screw groove 308, the outer periphery one end of ultrafiltration membrane filter core 2 is fixedly connected with connecting ring 310 and the outer wall of connecting ring 310 is provided with outer screw groove 311 matched with inner screw groove 308.
[0019] Wherein, it also includes the fixed mechanism 4, the ultrafiltration membrane filter core 2 and the filter shell 1 are provided with the fixed mechanism 4, the fixed mechanism 4 includes the collar 401, the mounting hole A 402, the positioning ring 403 and the mounting hole B 404, the outer periphery of the ultrafiltration membrane filter core 2 is fixedly connected with the collar 401 away from the connecting ring 310 one end and the collar 401 surface both sides are provided with the mounting hole A 402, the inside of the filter shell 1 is fixedly connected with the positioning ring 403 away from the end ring 302 one end, the mounting hole B 404 is set up on the surface of the filter shell 1 close to the positioning ring 403 position;When the ultrafiltration membrane filter core 2 assembly is inserted into the filter shell 1 inside and is inserted in place, the collar 401 located in the outer periphery of the ultrafiltration membrane filter core 2 will be inserted into the inside of the positioning ring 403, and the mounting hole A 402 in the collar 401 is aligned between the mounting hole B 404 in the positioning ring 403, the sealing assembly is inserted at the connecting part and is screwed into the fastener, so that the position of the ultrafiltration membrane filter core 2 can be fixed, and when disassembling, the fastener at the connecting part is screwed out.
[0020] Wherein, the screw hole 306 is set up at the corresponding position of the inside of the mounting sleeve 303 and the inside connecting part of the sliding block 304, the bolt 307 can be detachably connected between the screw hole 306, the rubber ring 309 is bonded to the surface of the end ring 302 on the surface of the mounting sleeve 303 towards the end ring 302 side;The mounting sleeve 303 and the sliding block 304 are connected and fixed through the screw hole 306 and the bolt 307, which facilitates the assembly and fixation between the mounting sleeve 303 and the sliding block 304, and the rubber ring 309 structure is bonded to the surface of the end ring 302 after the mounting sleeve 303 is moved in place to realize the sealing of the connecting part.
[0021] Wherein, the mounting hole B 404 extends to the inside of the positioning ring 403 through the filter shell 1, and the mounting hole A 402 corresponds to the position of the mounting hole B 404;The mounting hole A 402 and the mounting hole B 404 correspond in position, which facilitates the screwing of the fastener to realize the fixation of the ultrafiltration membrane filter core 2 assembly.
[0022] Need to explain, the utility model discloses a kind of ultrafiltration membrane membrane fixing device, when using, flush housing 1 It is equipped with flush guide slot 301 structure on the inner wall both sides, mounting sleeve 303 is connected with guide slot 301 inner wall by its both ends sliding block 304 and pulley 305 structure, when installing ultrafiltration membrane filter core 2, the connecting ring 310 of the outer periphery of ultrafiltration membrane filter core 2 is aligned mounting sleeve 303 and is screwed into, by the cooperation of outer screw groove 311 With inner screw groove 308, ultrafiltration membrane filter core 2 and mounting sleeve 303 are docked together, subsequently push into flush housing 1 Inside until mounting sleeve 303 end ring 302 is adhered, when replacing ultrafiltration membrane filter core 2, fastener is extracted and translated outward, and ultrafiltration membrane filter core 2 can be extracted, since ultrafiltration membrane filter core 2 and mounting sleeve 303 are docked together, and mounting sleeve 303 Both sides are equipped with sliding block 304 and guide wheel and guide slot 301 are connected, it is convenient to install membrane body structure, simultaneously make that the insertion and extraction process of ultrafiltration membrane filter core 2 can be more smooth, not because of the friction with the inner wall of shell and lead to not easy to extract and insert problem;When ultrafiltration membrane filter core 2 assembly is inserted to flush housing 1 Inside and is inserted in place, ring 401 On the outer periphery of ultrafiltration membrane filter core 2 will be inserted to the inside of positioning ring 403, simultaneously, the mounting hole A 402 in the sleeve ring 401 It is aligned between the mounting hole B 404 in the positioning ring 403, and sealing assembly is inserted in connecting portion and screwed into fastener, to realize the fixation of the position of ultrafiltration membrane filter core 2, when disassembling, fastener in connecting portion is screwed out.
[0023] The basic principles and main features of the utility model and the advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model can also have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. An ultrafiltration membrane module fixing device comprising a filter housing (1), characterized in that, The utility model also includes an ultrafiltration membrane filter core (2) and a mounting mechanism (3), the filter shell (1) is detachably connected with the ultrafiltration membrane filter core (2), and the ultrafiltration membrane filter core (2) is provided with the mounting mechanism (3) with the filter shell (1), the mounting mechanism (3) includes a guide groove (301), an end ring (302), a mounting sleeve (303), a sliding block (304), a pulley (305), an inner screw groove (308), a connecting ring (310) and an outer screw groove (311), the filter shell (1) is provided with the guide groove (301) on both sides of the inner wall, and one end of the inside of the filter shell (1) is fixedly connected with the end ring (302), the mounting sleeve (303) is slidably connected in the filter shell (1) through the guide groove (301), and both sides of the surface of the mounting sleeve (303) are detachably connected with the sliding block (304) inserted into the guide groove (301), the pulley (305) is arranged on the surface of the sliding block (304) and faces one side of the inner wall of the guide groove (301), the inner screw groove (308) is formed in the inner wall of the mounting sleeve (303), one end of the outer periphery of the ultrafiltration membrane filter core (2) is fixedly connected with the connecting ring (310), and the outer wall of the connecting ring (310) is provided with the outer screw groove (311) matched with the inner screw groove (308).
2. An ultrafiltration membrane fixation device according to claim 1, characterized in that: The utility model also includes a fixing mechanism (4), the fixing mechanism (4) is arranged between the ultrafiltration membrane filter core (2) and the filter shell (1), the fixing mechanism (4) includes a sleeve ring (401), a mounting hole A (402), a positioning ring (403) and a mounting hole B (404), one end of the outer periphery of the ultrafiltration membrane filter core (2) away from the connecting ring (310) is fixedly connected with the sleeve ring (401), and both sides of the surface of the sleeve ring (401) are provided with the mounting hole A (402), one end of the inside of the filter shell (1) away from the end ring (302) is fixedly connected with the positioning ring (403), and the surface of the filter shell (1) is provided with the mounting hole B (404) close to the positioning ring (403).
3. The ultrafiltration membrane fixing device according to claim 1, characterized in that: Screw holes (306) are formed in the inside of the mounting sleeve (303) and the inside connecting portion of the sliding block (304) correspondingly, and the screw holes (306) are detachably connected with the bolts (307).
4. The ultrafiltration membrane fixing device according to claim 1, characterized in that: The surface of the mounting sleeve (303) is bonded with the rubber ring (309) on one side facing the end ring (302), and the rubber ring (309) is attached to the surface of the end ring (302).
5. An ultrafiltration membrane fixation device according to claim 2, wherein: The mounting hole B (404) extends through the filter shell (1) and reaches the inside of the positioning ring (403), and the mounting hole A (402) corresponds to the position of the mounting hole B (404).