A high efficiency microporous membrane filter

Abstract

The utility model discloses a high-efficiency microporous membrane filter, and relates to the technical field of microporous membrane filters. The utility model comprises a housing and a protective mechanism arranged above the housing for filtering larger impurities and preventing the larger impurities from damaging the filter membrane. The protective mechanism comprises a lower connecting pipe arranged above the housing, a protective component for blocking larger impurities is arranged in the lower connecting pipe, and an upper connecting pipe is arranged above the lower connecting pipe. Through the arrangement of the lower connecting pipe, the protective component, the upper connecting pipe, the upper shell, the lower shell and the filter membrane component, the liquid is first coarsely filtered by the protective component and then finely filtered by the filter membrane component to prevent larger impurities from damaging the filter membrane. When cleaning impurities, only different structures need to be disassembled, and only the same structure will not be disassembled, resulting in the sealing being affected, so that liquid leaks out.

Description

Technical Field

[0001] The utility model belongs to the technical field of microporous membrane filters, and particularly relates to a high-efficiency microporous membrane filter. Background Art

[0002] The filter is an indispensable device on the pipeline for conveying media. It is usually installed at the inlet end of the pressure reducing valve, pressure relief valve, water level valve, and other equipment of Fanggong filter. The filter consists of a cylinder, a stainless steel filter, a sewage discharge part, a transmission device, and an electrical control part. When conducting biochemical experiments, the mixed liquid is usually filtered. At this time, a microporous membrane filter is needed for filtration. The microporous membrane filter consists of three parts: upper, middle, and lower. After the experimental fluid is poured into the filter cup, it is filtered through the microporous membrane in the middle to isolate some large particles, microparticles, bacteria, and other substances.

[0003] In the prior art (the patent application with the publication number CN217661969U and the patent name of a high-efficiency microporous membrane filter), a filter cup is included, a liquid guide tube is provided at the lower side of the filter cup, a connecting mechanism is provided at the outer side of the liquid guide tube, the connecting mechanism includes a liquid inlet tube and a connecting shell, a connecting tube is provided at the lower end of the connecting shell, a liquid outlet tube is provided at the inner side of the connecting tube on the connecting shell, and an elastic sealing pad is provided at the outer side of the connecting tube. In the process of implementing the technical solution, it is found that the prior art has at least the following problems.

[0004] In the above patent, when the protective filter needs to be cleaned, the lower shell and the upper shell need to be disassembled. When the filter membrane needs to be cleaned, the lower shell and the upper shell also need to be disassembled. Long-term and multiple disassembly will make the sealing of the lower shell and the upper shell worse, and liquid will leak from the lower shell and the upper shell, affecting the use effect. Utility Model Content

[0005] The utility model aims to provide a high-efficiency microporous membrane filter to solve the technical problem that larger impurities may damage the filter membrane when filtering liquid.

[0006] To achieve the above-mentioned purpose, the specific technical scheme of the utility model is as follows: a high-efficiency microporous membrane filter, comprising an outer shell and a protective mechanism arranged above the outer shell for filtering larger impurities to prevent the larger impurities from damaging the filter membrane, the protective mechanism comprising a lower connecting tube arranged above the outer shell, a protective component for blocking larger impurities arranged in the lower connecting tube, an upper connecting tube arranged above the lower connecting tube, the inner diameter of the lower connecting tube is larger than the inner diameter of the upper connecting tube, and when the upper connecting tube and the lower connecting tube are combined, the protective component is pressed into the lower connecting tube and fixed.

[0007] Preferably, the protection component includes sliding grooves respectively opened on both sides above the inner wall of the lower connecting tube, a collecting tube is slidably connected inside the lower connecting tube, limiting blocks are fixedly connected above the outer side of the collecting tube, a cross bar is fixedly connected above the inner wall of the collecting tube, and a larger impurity filter is fixedly connected below the collecting tube.

[0008] Preferably, a fixing plate is fixedly connected to the upper outer side of the lower connecting tube, a second slot is provided above the fixing plate, and a rubber pad is provided below the inner part of the second slot.

[0009] Preferably, a second plug ring is fixedly connected to the lower end of the upper connecting pipe, a water inlet pipe is fixedly connected to the top of the upper connecting pipe, and a pressurizing pipe is fixedly connected to the other side of the top of the upper connecting pipe.

[0010] Preferably, the shell includes an upper shell fixedly connected to the lower end of the lower connecting tube, a first plug ring is fixedly connected to the lower end of the upper shell, a lower shell is provided below the upper shell, a first slot is opened above the lower shell, and a rubber pad is provided below the first slot.

[0011] Preferably, a filter membrane assembly is provided above the interior of the lower shell, a plurality of legs are fixedly connected to the lower end of the lower shell, and a bent pipe is fixedly connected to the lower end of the lower shell.

[0012] Preferably, the filter membrane assembly includes extrusion grooves arranged above the lower shell and below the upper shell, a fixing ring is provided between the two extrusion grooves, a filter membrane is fixedly provided on the inner wall of the fixing ring, and a metal mesh that supports the filter membrane is fixedly extruded at the lower end of the fixing ring.

[0013] The utility model has the following advantages:

[0014] The high-efficiency microporous membrane filter is provided with a lower connecting tube, a protective component, an upper connecting tube, an upper shell, a lower shell and a filter membrane component. The liquid is first coarsely filtered by the protective component and then finely filtered by the filter membrane component to prevent larger impurities from damaging the filter membrane. When cleaning impurities, it is only necessary to disassemble different structures instead of just disassembling the same structure, which would affect the sealing and cause liquid leakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the protection mechanism structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the protection component of the utility model;

[0019] Figure 4 This is a schematic diagram of the shell split structure of the utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the filter membrane assembly of the utility model.

[0021] Explanation of the marks in the figure: 1. outer shell; 11. upper shell; 12. first plug ring; 13. lower shell; 14. first slot; 15. filter membrane assembly; 151. extrusion groove; 152. fixing ring; 153. filter membrane; 154. metal mesh; 16. support leg; 17. elbow; 2. protection mechanism; 21. lower connecting pipe; 22. fixing plate; 23. second slot; 24. protection assembly; 241. slide groove; 242. collecting pipe; 243. limit block; 244. cross bar; 245. larger impurity filter; 25. upper connecting pipe; 26. second plug ring; 27. water inlet pipe; 28. pressurized pipe. DETAILED DESCRIPTION

[0022] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the embodiments of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0023] In the description of the embodiments of the present invention, it should be understood that the terms "length", "vertical", "horizontal", "top", "bottom", etc. indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present invention.

[0024] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0025] In the embodiments of the present utility model, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.

[0026] The disclosure below provides many different embodiments or examples for realizing different structures of the embodiments of the present utility model. In order to simplify the disclosure of the embodiments of the present utility model, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the embodiments of the present utility model. In addition, the embodiments of the present utility model can repeat reference numbers and / or reference letters in different examples, and this repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed.

[0027] In order to better understand the purpose, structure and function of the utility model, the following is a further detailed description of a high-efficiency microporous membrane filter of the utility model in conjunction with the accompanying drawings.

[0028] like Figure 1-Figure 3 As shown, a high-efficiency microporous membrane filter of the utility model comprises a shell 1 and a protective mechanism 2 arranged above the shell 1 for filtering larger impurities for preventing the larger impurities from damaging the filter membrane. The protective mechanism 2 comprises a lower connecting tube 21 arranged above the shell 1, a protective component 24 for blocking larger impurities is arranged in the lower connecting tube 21, an upper connecting tube 25 is arranged above the lower connecting tube 21, the inner diameter of the lower connecting tube 21 is larger than the inner diameter of the upper connecting tube 25, and when the upper connecting tube 25 is combined with the lower connecting tube 21, the protective component 24 is pressed into the lower connecting tube 21 and fixed, and the upper connecting tube 25 and the lower connecting tube 21 are fixed together by bolts.

[0029] In this embodiment, during filtering, the liquid enters the upper connecting tube 25 and falls into the protective component 24. The protective component 24 blocks and collects larger impurities in the liquid. When cleaning is required, the upper connecting tube 25 is separated from the lower connecting tube 21 by removing the bolts, the protective component 24 is taken out, the larger impurities in the protective component 24 are poured out, and cleaned. Then, the protective component 24 is placed in the lower connecting tube 21, and the upper connecting tube 25 is installed on the lower connecting tube 21. The upper connecting tube 25 squeezes and fixes the protective component 24 in the lower connecting tube 21.

[0030] like Figure 3As shown, the protection component 24 includes slide grooves 241 respectively opened on both sides above the inner wall of the lower connecting tube 21, a collecting tube 242 is slidably connected in the lower connecting tube 21, and limiting blocks 243 are fixedly connected to the upper outer sides of the collecting tube 242, and the limiting blocks 243 match the shape of the slide groove 241, a cross bar 244 is fixedly connected to the upper inner wall of the collecting tube 242, and a larger impurity filter 245 is fixedly connected to the lower part of the collecting tube 242, and the collecting tube 242 blocks and collects larger impurities through the larger impurity filter 245.

[0031] In this embodiment, after the liquid enters the upper connecting tube 25, it subsequently enters the collecting tube 242, and then the larger impurities in the liquid are intercepted by the larger impurity filter 245 inside the collecting tube 242, and the liquid continues to flow downward. When cleaning is required, the upper connecting tube 25 and the lower connecting tube 21 are separated, and the collecting tube 242 is pulled out of the lower connecting tube 21 by pulling the cross bar 244 upward to clean the larger impurities in the collecting tube 242. After cleaning, the collecting tube 242 is reset into the lower connecting tube 21, and the upper connecting tube 25 and the lower connecting tube 21 are combined together.

[0032] like Figure 2 As shown, a fixing plate 22 is fixedly connected to the upper outer side of the lower connecting tube 21, a second slot 23 is opened above the fixing plate 22, a rubber pad is provided inside and below the second slot 23, a second plug ring 26 is fixedly connected to the lower end of the upper connecting tube 25, the second plug ring 26 corresponds to the second slot 23, a water inlet pipe 27 for water injection is fixedly connected to the upper end of the upper connecting tube 25, and a pressurizing pipe 28 is fixedly connected to the other side of the upper connecting tube 25.

[0033] In this embodiment, when the upper connecting tube 25 and the lower connecting tube 21 are combined, the second insert ring 26 is inserted into the second slot 23, the second insert ring 26 contacts the rubber pad in the second slot 23, and squeezes the rubber pad to prevent the liquid in the upper connecting tube 25 and the lower connecting tube 21 from leaking out from the gap between the upper connecting tube 25 and the lower connecting tube 21, and then the upper connecting tube 25 and the lower connecting tube 21 are fixed together by bolts, liquid is injected into the upper connecting tube 25 through the water inlet pipe 27, and pressure is applied to the upper connecting tube 25 through the pressure pipe 28, so that the liquid can be quickly filtered.

[0034] like Figure 4 and Figure 5As shown, the housing 1 includes an upper shell 11 fixedly connected to the lower end of the lower connecting pipe 21, a first plug ring 12 is fixedly connected to the lower end of the upper shell 11, a lower shell 13 is provided below the upper shell 11, the upper shell 11 and the lower shell 13 are fixed together by bolts, a first slot 14 corresponding to the first plug ring 12 is opened above the lower shell 13, a rubber pad is provided below the first slot 14, a filter membrane assembly 15 is provided above the lower shell 13, a plurality of legs 16 are fixedly connected to the lower end of the lower shell 13, a curved pipe 17 for drainage is fixedly connected to the lower end of the lower shell 13, the filter membrane assembly 15 includes an extrusion groove 151 arranged above the lower shell 13 and below the upper shell 11, a fixing ring 152 is provided between the two extrusion grooves 151, a filter membrane 153 is fixedly provided on the inner wall of the fixing ring 152, and a metal mesh 154 which is the same as the support for the filter membrane 153 is fixedly extruded at the lower end of the fixing ring 152.

[0035] In this embodiment, when filtering liquid, the liquid enters the upper shell 11 from the lower connecting pipe 21, and then drips on the filter membrane assembly 15. The filter membrane 153 filters the liquid, and the filtered water falls into the lower shell 13 and is discharged through the bent pipe 17. During filtering, the pressure pipe 28 enters the housing 1 to increase the liquid filtering speed. The metal mesh 154 is arranged below the filter membrane 153 to protect the filter membrane 153. When it is necessary to clean the filter membrane assembly 15, the lower shell 13 and the upper shell 11 are disassembled by removing the bolts. The upper shell 11 is no longer squeezed with the fixing ring 152, and the fixing ring 152 is taken out from the squeezing groove 151 on the lower shell 13. 3 is cleaned to prevent excessive impurities from affecting the filtering effect of the filter membrane 153. During assembly, the fixing ring 152 is placed in the extrusion groove 151 on the lower shell 13, the upper shell 11 is combined with the lower shell 13, the first inserting ring 12 is inserted into the first slot 14, the rubber pad in the first slot 14 is squeezed, the extrusion groove 151 below the upper shell 11 and the extrusion groove 151 above the lower shell 13, the fixing ring 152 is squeezed and fixed between the upper shell 11 and the lower shell 13, when it is necessary to clean the filter membrane assembly 15 or the protective assembly 24, only different structures need to be disassembled, and the same structure will not be disassembled multiple times to affect the sealing effect and cause liquid leakage.

[0036] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application belong to the scope protected by the present invention.

Claims

1. A high-efficiency microporous membrane filter, comprising a housing (1) and a protective mechanism (2) arranged above the housing (1) for filtering larger impurities and preventing the larger impurities from damaging the filter membrane, characterized in that: The protection mechanism (2) comprises a lower connecting pipe (21) arranged above the housing (1), a protection component (24) for blocking larger impurities being arranged inside the lower connecting pipe (21), an upper connecting pipe (25) being arranged above the lower connecting pipe (21), the inner diameter of the lower connecting pipe (21) being larger than the inner diameter of the upper connecting pipe (25), and the protection component (24) being pressed into the lower connecting pipe (21) and fixed when the upper connecting pipe (25) and the lower connecting pipe (21) are combined.

2. A high efficiency microporous membrane filter according to claim 1, characterized in that: The protection component (24) comprises sliding grooves (241) respectively arranged on both sides of the upper inner wall of the lower connecting pipe (21); a collecting pipe (242) is slidably connected inside the lower connecting pipe (21); limiting blocks (243) are respectively fixedly connected to the upper outer sides of the collecting pipe (242); a cross bar (244) is fixedly connected to the upper inner wall of the collecting pipe (242); and a larger impurity filter (245) is fixedly connected to the lower part of the collecting pipe (242).

3. A high efficiency microporous membrane filter according to claim 2, characterized in that: A fixing plate (22) is fixedly connected to the upper outer side of the lower connecting tube (21), a second slot (23) is provided above the fixing plate (22), and a rubber pad is provided inside and below the second slot (23).

4. A high efficiency microporous membrane filter according to claim 3, characterized in that: The lower end of the upper connecting pipe (25) is fixedly connected to a second insert ring (26), the upper part of the upper connecting pipe (25) is fixedly connected to a water inlet pipe (27), and the other side of the upper part of the upper connecting pipe (25) is fixedly connected to a pressure pipe (28).

5. A high efficiency microporous membrane filter according to claim 1, characterized in that: The housing (1) comprises an upper shell (11) fixedly connected to the lower end of the lower connecting tube (21); a first insert ring (12) is fixedly connected to the lower end of the upper shell (11); a lower shell (13) is provided below the upper shell (11); a first slot (14) is provided above the lower shell (13); and a rubber pad is provided below the first slot (14).

6. A high efficiency microporous membrane filter according to claim 5, characterized in that: A filter membrane assembly (15) is provided on the upper part of the lower shell (13); a plurality of legs (16) are fixedly connected to the lower end of the lower shell (13); and a bent pipe (17) is fixedly connected to the lower end of the lower shell (13).

7. A high efficiency microporous membrane filter according to claim 6, characterized in that: The filter membrane assembly (15) comprises an extrusion groove (151) arranged above the lower shell (13) and below the upper shell (11); a fixing ring (152) is arranged between the two extrusion grooves (151); a filter membrane (153) is fixedly arranged on the inner wall of the fixing ring (152); and a metal mesh (154) which is the same as the one supporting the filter membrane (153) is fixedly extruded at the lower end of the fixing ring (152).

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