Toxoplasma gondii intercepting filter element containing nano antibacterial coating
By employing a multi-layer filter media structure with a nano-antibacterial coating and a snap-fit design for limiting components in the filter element, the problems of low interception efficiency of Toxoplasma gondii and bacterial growth in the filter element are solved, thereby improving the filtration effect and ease of maintenance of the filter element.
Patent Information
- Application Number
- CN202521100443.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-30
- Publication Date
- 2026-05-05
- Estimated Expiration
- 2035-05-30
AI Technical Summary
Existing filter cartridges are inefficient at intercepting Toxoplasma gondii, and bacteria can easily grow during use, affecting the lifespan of the filter cartridge and potentially causing secondary pollution. Their structure also makes it difficult to add or remove units and maintain them.
The multi-layer filter media structure with a nano-antibacterial coating includes an outer protective layer, a nano-antibacterial filtration layer, and a Toxoplasma gondii interception filtration layer. The nano-silver antibacterial coating inhibits bacterial growth, and the filter media can be flexibly installed and replaced through a snap-fit structure between the limiting component and the housing.
It achieves highly efficient interception of Toxoplasma gondii, reduces bacterial growth, improves the filtration accuracy and service life of the filter element, and facilitates the maintenance and replacement of the filter media.
Smart Images

Figure CN224194215U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of filter technology, specifically a Toxoplasma gondii interception filter containing a nano-antibacterial coating. Background Technology
[0002] Toxoplasma gondii is a common pathogenic microorganism that poses a serious threat to human health, especially to pregnant women and people with weakened immune systems. In water treatment and air purification processes, existing filter cartridges often struggle to effectively intercept Toxoplasma gondii. Furthermore, these cartridges are prone to bacterial growth during use, which not only affects their lifespan but can also cause secondary pollution of the filtered water or air. Current filter cartridge structures are primarily modular, making it difficult to add or remove filter units and resulting in inconvenient maintenance. Utility Model Content
[0003] The purpose of this invention is to provide a Toxoplasma gondii interception filter containing a nano-antibacterial coating to solve the problems mentioned in the background art.
[0004] The technical solution of this utility model is: a Toxoplasma gondii interception filter element with a nano-antibacterial coating, comprising a shell and a matching cover plate. An inlet pipe and an outlet pipe are provided on the outer side of the shell. A limiting member is provided inside the shell to fit the bottom of the cover plate. Multiple annularly distributed inner slots are provided on the inner side wall of the shell. A partition is fixed between one of the inner slots and the limiting member. The inlet pipe and the outlet pipe are respectively located on both sides of the connection between the partition and the shell. Multiple annularly distributed antibacterial filter materials are engaged between the outer side of the limiting member and the inner slot.
[0005] The effect achieved by the above components is as follows: water enters from the inlet pipe, is guided by the baffle, and passes through multiple antibacterial filter media in sequence inside the housing for filtration. It is forced to pass through the annularly distributed antibacterial filter media, extending the movement distance of the water flow, and finally flows out from the outlet pipe. The limiting component and the inner groove of the housing can engage with the antibacterial filter media, allowing for the installation of different numbers of antibacterial filter media as needed. It also facilitates the quick replacement of the filter media unit after the cover is opened.
[0006] Preferably, the antibacterial filter material has a multi-layer composite structure, comprising, from the outside to the inside, an outer protective layer, a nano-antibacterial filter layer, a Toxoplasma gondii interception filter layer, and an inner support layer. The nano-antibacterial filter layer is made of a polyester fiber substrate, and the surface of the polyester fiber substrate is uniformly coated with a nano-silver antibacterial coating. The Toxoplasma gondii interception filter layer uses a polytetrafluoroethylene (PTFE) microporous filter membrane.
[0007] The effects achieved by the above components are as follows: the nano-silver antibacterial coating can effectively inhibit bacterial growth; the Toxoplasma gondii interception filter layer uses a polytetrafluoroethylene (PTFE) microporous filter membrane, which can efficiently intercept Toxoplasma gondii; the layers work together, the outer protective layer protects the internal structure, and the inner support layer provides structural support, which not only achieves efficient interception of Toxoplasma gondii, but also reduces bacterial growth, reduces the risk of secondary pollution, and improves the filtration accuracy and service life of the filter element.
[0008] Preferably, the limiting member includes a convex ring fixed inside the housing, and the outer wall of the convex ring has an outer slot with the same number as the inner slot, and the outer slot engages with the end side of the antibacterial filter material.
[0009] The effect achieved by the above components is that the outer slot engages with the end of the antibacterial filter material. This engagement method makes it easier to install and remove the antibacterial filter material. When maintenance or replacement of the antibacterial filter material is required, it can be easily operated, realizing the flexible addition or reduction of filter element structural units, which facilitates subsequent maintenance and improves the convenience of filter element maintenance.
[0010] Preferably, the top of the convex ring has an internal thread, and the bottom side of the cover plate is fixed with a stud that matches the internal thread.
[0011] The effect achieved by the above components is as follows: the cover plate and the limiting component are firmly connected by a threaded connection, which ensures the stability of the overall structure of the filter element. At the same time, it is also convenient to disassemble the cover plate to maintain and inspect the inside of the filter element, thereby improving the stability and maintainability of the filter element structure.
[0012] Preferably, an inner sealing ring is embedded at the top of the convex ring, and an outer sealing ring is embedded at the top edge of the housing.
[0013] The effects achieved by the above components are as follows: the inner and outer sealing rings enhance the sealing performance of the filter element, prevent fluid leakage from the connection points during the filtration process, ensure the filtration effect, and improve the sealing performance of the filter element.
[0014] Preferably, both the partition and the antibacterial filter material are arranged in an arc shape.
[0015] The effects achieved by the above components are as follows: the arc-shaped structure increases the contact area between the fluid and the baffle and antibacterial filter material, making the flow path of the fluid inside the filter element longer and more uniform, thereby extending the filtration time, improving the filtration efficiency, achieving a more thorough filtration effect, and increasing the comprehensiveness and effectiveness of filtration.
[0016] This invention provides an improved Toxoplasma gondii interception filter cartridge with a nano-antibacterial coating, which has the following improvements and advantages compared with the prior art:
[0017] Firstly, this utility model allows for the snap-fit of antibacterial filter media between the outer slot on the limiting component and the inner slot on the housing, enabling the installation of different quantities of antibacterial filter media as needed. It also facilitates the quick replacement of filter media units after the cover is opened.
[0018] Secondly, in this invention, water enters through the inlet pipe, is guided by the partition, and passes through multiple antibacterial filter media in sequence within the housing for filtration. By forcing the water through the annularly distributed antibacterial filter media, the flow path of the fluid inside the filter element becomes longer and more uniform, thereby extending the filtration time and improving the filtration efficiency. Attached Figure Description
[0019] The present invention will be further explained below with reference to the accompanying drawings and embodiments:
[0020] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;
[0021] Figure 2 This is a schematic diagram of the structure of this utility model in its open state;
[0022] Figure 3 This is a schematic diagram of the assembled three-dimensional structure of the antibacterial filter material in this utility model.
[0023] Explanation of reference numerals in the attached figures:
[0024] 1. Shell; 2. Cover plate; 3. Inlet pipe; 4. Outlet pipe; 5. Limiting component; 51. Raised ring; 52. External groove; 53. Internal thread; 6. Internal groove; 7. Antibacterial filter media; 8. Partition plate; 9. Stud; 10. Inner sealing ring; 11. Outer sealing ring. Detailed Implementation
[0025] The present invention will now be described in detail, and the technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present invention.
[0026] This utility model provides an improved Toxoplasma gondii interception filter element with a nano-antibacterial coating. The technical solution of this utility model is as follows:
[0027] In embodiments of this utility model, such as Figures 1-3As shown, a Toxoplasma gondii intercepting filter cartridge with a nano-antibacterial coating includes a housing 1 and a suitable cover plate 2. An inlet pipe 3 and an outlet pipe 4 are provided on the outer side of the housing 1. A limiting member 5 is provided inside the housing 1 to fit the bottom of the cover plate 2. Multiple annularly distributed inner grooves 6 are formed on the inner sidewall of the housing 1. The limiting member 5 includes a protruding ring 51 fixed inside the housing 1. An inner sealing ring 10 is embedded at the top of the protruding ring 51, and an outer sealing ring 11 is embedded at the top edge of the housing 1. The outer wall of the protruding ring 51 has outer grooves 52, the same number as the inner grooves 6. The outer grooves 52 engage with the end side of the antibacterial filter material 7, thus enabling the antibacterial... The installation and disassembly of the antibacterial filter media 7 are more convenient, realizing the flexible addition and subtraction of filter element structure units. The top of the convex ring 51 has an internal thread 53. The bottom side of the cover plate 2 is fixed with a stud 9 that matches the internal thread 53. The cover plate 2 and the limiting member 5 are firmly connected by the threaded connection. A partition 8 is fixed between one of the inner slots 6 and the limiting member 5. The water inlet pipe 3 and the water outlet pipe 4 are located on both sides of the connection between the partition 8 and the shell 1. Multiple antibacterial filter media 7 distributed in a ring are snapped between the outer side of the limiting member 5 and the inner slot 6. The partition 8 and the antibacterial filter media 7 are both arc-shaped. The arc structure increases the contact area between the fluid and the partition 8 and the antibacterial filter media 7.
[0028] The antibacterial filter material 7 has a multi-layer composite structure, consisting of an outer protective layer, a nano-antibacterial filter layer, a Toxoplasma gondii interception filter layer, and an inner support layer from the outside in. The nano-antibacterial filter layer is made of polyester fiber substrate, and the surface of the polyester fiber substrate is uniformly coated with a nano-silver antibacterial coating. The Toxoplasma gondii interception filter layer uses a polytetrafluoroethylene (PTFE) microporous filter membrane. The nano-silver antibacterial coating can effectively inhibit bacterial growth, and the Toxoplasma gondii interception filter layer uses a polytetrafluoroethylene (PTFE) microporous filter membrane, which can efficiently intercept Toxoplasma gondii. The layers work together, with the outer protective layer protecting the internal structure and the inner support layer providing structural support. This not only achieves efficient interception of Toxoplasma gondii but also reduces bacterial growth.
[0029] The working principle of the Toxoplasma gondii interception filter element with nano-antibacterial coating provided by this utility model is as follows: Water enters from the inlet pipe 3, is guided by the partition 8, and passes through multiple antibacterial filter media 7 in sequence in the shell 1 for filtration. It is forced to pass through the annularly distributed antibacterial filter media 7. The nano-silver antibacterial coating can effectively inhibit bacterial growth. The Toxoplasma gondii interception filter layer uses a polytetrafluoroethylene (PTFE) microporous filter membrane, which can efficiently intercept Toxoplasma gondii. Finally, it flows out from the outlet pipe 4. The outer slot 52 and the inner slot 6 of the shell 1 can be used to engage the antibacterial filter media 7. Different numbers of antibacterial filter media 7 can be installed according to installation needs. It also facilitates the quick replacement of the filter media unit after the cover plate 2 is opened.
[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A Toxoplasma gondii intercepting filter cartridge with a nano-antibacterial coating, comprising a housing (1) and a suitable cover plate (2), wherein an inlet pipe (3) and an outlet pipe (4) are provided on the outer side of the housing (1), characterized in that: The housing (1) is provided with a limiting member (5) that fits against the bottom of the cover plate (2). The inner wall of the housing (1) is provided with a plurality of annularly distributed inner slots (6). A partition plate (8) is fixed between one of the inner slots (6) and the limiting member (5). The water inlet pipe (3) and the water outlet pipe (4) are located on both sides of the connection between the partition plate (8) and the housing (1). A plurality of annularly distributed antibacterial filter materials (7) are snapped between the outer side of the limiting member (5) and the inner slot (6).
2. The Toxoplasma gondii intercepting filter element with a nano-antibacterial coating according to claim 1, characterized in that: The antibacterial filter material (7) has a multi-layer composite structure, which includes an outer protective layer, a nano antibacterial filter layer, a Toxoplasma gondii interception filter layer and an inner support layer from the outside to the inside. The nano antibacterial filter layer is made of polyester fiber substrate, and the surface of the polyester fiber substrate is uniformly coated with a nano silver antibacterial coating. The Toxoplasma gondii interception filter layer uses a polytetrafluoroethylene (PTFE) microporous filter membrane.
3. The Toxoplasma gondii intercepting filter element with a nano-antibacterial coating according to claim 1, characterized in that: The limiting member (5) includes a protruding ring (51) fixed inside the housing (1). The outer wall of the protruding ring (51) has an outer slot (52) with the same number as the inner slot (6). The outer slot (52) engages with the end side of the antibacterial filter material (7).
4. The Toxoplasma gondii intercepting filter element with a nano-antibacterial coating according to claim 3, characterized in that: The top of the convex ring (51) has an internal thread (53), and the bottom side of the cover plate (2) is fixed with a stud (9) that is compatible with the internal thread (53).
5. A Toxoplasma gondii intercepting filter cartridge with a nano-antibacterial coating according to claim 4, characterized in that: The top of the convex ring (51) is fitted with an inner sealing ring (10), and the top edge of the housing (1) is fitted with an outer sealing ring (11).
6. The Toxoplasma gondii intercepting filter element with a nano-antibacterial coating according to claim 1, characterized in that: Both the partition (8) and the antibacterial filter material (7) are arranged in an arc shape.