A debris intercepting filter
Patent Information
- Application Number
- CN202522282682.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-28
- Publication Date
- 2026-10-09
- Estimated Expiration
- 2035-10-28
AI Technical Summary
[0003]目前市面上的杂物过滤器，普遍采用一体设计，在倾倒出杂物后常有杂物黏在过滤器的过滤结构内，存在难以清洁的问题
本实用新型提供的拦截杂物过滤器，通过独立的柔性滤网作为直接拦截杂物的部件，即柔性滤网覆盖镂空滤筒的上开口，且通过压环压接固定在滤筒上开口的压接环面，所有固态杂物（如卫生间的头发、纤维絮，阳台洗衣池的衣物纤维、纽扣，餐饮场景的食物残渣等）在过滤过程中均被集中拦截在柔性滤网上，而非直接接触镂空滤筒的第一过滤孔及内壁，从源头避免了杂物黏附于滤筒过滤结构的问题；其次，针对现有一体过滤器清洁时需反复清理容器本体过滤结构的麻烦，本方案中柔性滤网具备可更换特性，且压环通过沿竖直固定的连接杆滑动即可快速脱离或压接压接环面；只需向上滑动压环解除对柔性滤网的固定，即可将吸附有所有杂物的柔性滤网整体取出丢弃，无需对镂空滤筒进行任何清洁操作，更换新的柔性滤网并向下滑动压环固定后即可再次使用，彻底省去了现有产品清洁过滤结构的步骤，同时也避免了细小杂物卡在滤筒第一过滤孔内难以清理的情况；此外，柔性滤网的网孔孔径小于滤筒的第一过滤孔，既能通过滤筒第一过滤孔保障水流快速排出，又能通过柔性滤网精准拦截更细小的杂物，且所有被拦截杂物均集中在柔性滤网上，进一步确保杂物不会残留在滤筒上，最终完全解决了现有一体设计过滤器难清洁的问题。
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Figure CN224833908U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of sewage filtration technology, and in particular to a filter for intercepting debris. Background Technology
[0002] In daily life and small commercial settings, debris filters are key devices for ensuring smooth drainage systems. They are widely used in household kitchen sinks (to intercept food scraps such as rice grains, vegetable scraps, noodle pieces, etc.), bathroom floor drains (to filter hair, lint, etc.), balcony laundry sinks (to block clothing fibers, buttons, and other small items), as well as restaurant kitchen sinks and small canteen vegetable washing sinks. Their core function is to prevent solid debris from entering the drainage pipes and causing blockages.
[0003] Most debris filters on the market today use an integrated design, which often leaves debris stuck inside the filter structure after it has been emptied, making it difficult to clean. Utility Model Content
[0004] The purpose of this invention is to provide a debris-blocking filter to solve the problems existing in the prior art, making it easy to clean and ensuring a stable filtration effect.
[0005] To achieve the above objectives, this utility model provides the following solution: This utility model provides a debris-intercepting filter, including a perforated filter cylinder, a pressure ring, a connecting rod, and multiple flexible filter screens. The perforated filter cylinder has an upper opening, and its side walls and bottom both have multiple first filter holes. The lower end of the connecting rod is fixed to the perforated filter cylinder, and the upper end of the connecting rod extends vertically upward. The pressure ring is slidably fitted onto the connecting rod vertically. A pressing ring surface is provided at the upper opening, and the pressure ring is used to press against the pressing ring surface. The flexible filter screens cover the upper opening, and the flexible filter screens are fixedly pressed against the upper opening by the pressure ring. The mesh size of the flexible filter screens is smaller than that of the first filter holes, and the flexible filter screens are replaceable.
[0006] Preferably, a slip ring is fixedly provided on the outer wall of the pressure ring, the slip ring having upper and lower through holes, the inner wall of the upper and lower through holes being formed by a plurality of limiting planes connected in sequence; the connecting rod is slidably disposed in the upper and lower through holes, and the outer wall of the connecting rod corresponds to the shape of the inner wall of the upper and lower through holes.
[0007] Preferably, a handle is fixedly provided at the upper end of the connecting rod.
[0008] Preferably, an elastic sealing ring is fitted on the connecting rod, and the elastic sealing ring is located above the slip ring and is fixedly connected to the slip ring.
[0009] Preferably, a counterweight is fixed to the upper end of the pressure ring.
[0010] Preferably, the counterweight is ring-shaped.
[0011] Preferably, the upper opening is a flared opening; and the larger end of the upper opening is close to the flexible filter screen, and the pressing ring surface is an arc-shaped surface.
[0012] The present invention achieves the following technical advantages over the prior art: The debris-intercepting filter provided by this utility model uses an independent flexible filter screen as the component that directly intercepts debris. Specifically, the flexible filter screen covers the upper opening of the perforated filter cylinder and is fixed to the pressing ring surface of the upper opening of the filter cylinder by a pressing ring. All solid debris (such as hair and lint from the bathroom, clothing fibers and buttons from the laundry sink on the balcony, food scraps in the catering scene, etc.) is concentrated and intercepted on the flexible filter screen during the filtration process, rather than directly contacting the first filter hole and inner wall of the perforated filter cylinder, thus avoiding the problem of debris adhering to the filter cylinder structure from the source. Secondly, addressing the inconvenience of repeatedly cleaning the container body filter structure during the cleaning of existing integrated filters, the flexible filter screen in this solution is replaceable, and the pressing ring can be quickly detached or pressed by sliding along the vertically fixed connecting rod. The flexible filter screen can be easily removed and discarded by simply sliding the pressure ring upwards to release it from the filter cartridge. No cleaning of the perforated filter cartridge is required. After replacing the flexible filter screen and sliding the pressure ring downwards to secure it, it can be reused. This completely eliminates the need for cleaning the filter structure, unlike existing products, and avoids the problem of small debris getting stuck in the first filter hole of the cartridge. Furthermore, the mesh size of the flexible filter screen is smaller than the first filter hole of the cartridge, allowing water to drain quickly through the first filter hole while precisely intercepting even smaller debris. All intercepted debris is concentrated on the flexible filter screen, further ensuring that no debris remains on the cartridge, ultimately solving the problem of difficult cleaning of existing integrated filter designs. Attached Figure Description
[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0014] Figure 1 This is a schematic diagram of the overall structure of the debris-intercepting filter provided by this utility model.
[0015] In the diagram: 1-Perforated filter cartridge; 2-Handle; 3-Slip ring; 4-Pressure ring; 5-Flexible filter screen; 6-Elastic sealing ring; 7-Counterweight; 8-Connecting rod. Detailed Implementation
[0016] 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.
[0017] The purpose of this invention is to provide a debris-blocking filter to solve the problems existing in the prior art, making it easy to clean and ensuring a stable filtration effect.
[0018] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.
[0019] Example 1 This embodiment provides a debris-intercepting filter, including a perforated filter cylinder 1, a pressure ring 4, a connecting rod 8, and multiple flexible filter screens 5. The perforated filter cylinder has an upper opening, and the side walls and bottom of the perforated filter cylinder 1 have multiple first filter holes. The lower end of the connecting rod 8 is fixed to the perforated filter cylinder 1, and the upper end of the connecting rod 8 extends upward in the vertical direction. The pressure ring 4 is slidably sleeved on the connecting rod 8 in the vertical direction. A pressing ring surface is provided at the upper opening, and the pressure ring 4 is used to press against the pressing ring surface. The flexible filter screens 5 cover the upper opening, and the flexible filter screens 5 are fixedly pressed against the upper opening by the pressure ring 4. The mesh size of the flexible filter screens 5 is smaller than that of the first filter holes, and the flexible filter screens 5 are replaceable.
[0020] The independent flexible filter screen 5 serves as the component that directly intercepts debris. Specifically, the flexible filter screen 5 covers the upper opening of the perforated filter cylinder 1 and is pressed and fixed to the pressing ring surface of the upper opening of the filter cylinder by a pressure ring 4. All solid debris (such as hair and lint from the bathroom, clothing fibers and buttons from the laundry sink on the balcony, and food scraps from dining areas) is concentrated and intercepted on the flexible filter screen 5 during the filtration process, rather than directly contacting the first filter hole and inner wall of the perforated filter cylinder 1. This avoids the problem of debris adhering to the filter cylinder's filtration structure from the source. Secondly, addressing the inconvenience of repeatedly cleaning the container's filtration structure during the cleaning of existing integrated filters, this solution features a replaceable flexible filter screen 5, and the pressure ring 4 can be quickly detached from or pressed onto the pressing ring surface by sliding along the vertically fixed connecting rod 8. Simply move it upwards... The sliding pressure ring 4 releases the fixation of the flexible filter screen 5, allowing the entire flexible filter screen 5, which has adsorbed all the debris, to be removed and discarded without any cleaning operation on the hollow filter cartridge 1. After replacing it with a new flexible filter screen 5 and fixing it by sliding the pressure ring 4 downwards, it can be reused. This completely eliminates the steps of cleaning the filter structure of existing products and also avoids the situation where small debris gets stuck in the first filter hole of the filter cartridge and is difficult to clean. In addition, the mesh diameter of the flexible filter screen 5 is smaller than that of the first filter hole of the filter cartridge. This allows water to be discharged quickly through the first filter hole of the filter cartridge, while the flexible filter screen 5 can accurately intercept even smaller debris. Moreover, all the intercepted debris is concentrated on the flexible filter screen 5, further ensuring that debris will not remain on the filter cartridge. Ultimately, this completely solves the problem of difficult cleaning of existing integrated filter designs.
[0021] Among the optional solutions in this embodiment, the more preferred one is as follows: Figure 1 As shown, a slip ring 3 is fixedly installed on the outer wall of the pressure ring 4. The slip ring 3 has upper and lower through holes, and the inner wall of the upper and lower through holes is formed by multiple limiting planes connected in sequence (such as rectangular holes). The connecting rod 8 is slidably installed in the upper and lower through holes, and the outer wall of the connecting rod 8 corresponds to the shape of the inner wall of the upper and lower through holes. It can both restrict the circumferential rotation of the pressure ring 4 when it slides along the connecting rod 8 through the matching through holes, ensuring that the pressure ring 4 is always accurately aligned with the pressing ring surface of the opening on the hollow filter cartridge 1, and avoid the flexible filter screen 5 being not firmly fixed or not sealed properly due to the offset of the pressure ring 4; and provide stable guidance for the sliding of the pressure ring 4 through the slip ring 3, reducing the jamming when the pressure ring 4 slides, making the disassembly and assembly of the filter screen smoother, and further improving the convenience of using the filter.
[0022] Among the optional solutions in this embodiment, the more preferred one is as follows: Figure 1As shown, a handle 2 is fixedly installed at the upper end of the connecting rod 8. (Specifically, one end of the handle 2 can be provided with a plug rod, and the upper end of the connecting rod 8 is provided with a slot. The plug rod is fixedly inserted into the slot to achieve a fixed connection between the handle 2 and the connecting rod 8; the handle 2 and the upper end of the connecting rod 8 can also be fixedly connected through a screw and threaded hole structure; to facilitate the installation of the slip ring 3 on the connecting rod 8, the handle 2 and the connecting rod 8 are made into a detachable structure, forming a shape as shown in the figure.) Figure 1 (As shown in the L-shape). Users can easily remove or place the entire filter from the drain, sink, or other locations by grasping the handle 2, avoiding direct contact with any debris that may be contaminated with the filter cartridge, thus improving hygiene and ease of operation. On the other hand, when installing or removing the flexible filter screen 5, holding the handle 2 provides a stable fulcrum for the pressure ring 4 to slide along the connecting rod 8, preventing the entire filter from shifting when the pressure ring 4 slides, further ensuring smoother filter screen fixing or disassembly operations, and indirectly improving filter efficiency.
[0023] Among the optional solutions in this embodiment, the more preferred one is as follows: Figure 1 As shown, an elastic sealing ring 6 is fitted onto the connecting rod 8. The elastic sealing ring 6 is located above the slip ring 3 and is fixedly connected to the slip ring 3. The elastic sealing ring 6 can prevent fine debris (such as hair or fibers) carried by the water flow during filtration from entering the gap between the slip ring 3 and the connecting rod 8, thus avoiding debris getting stuck in the gap and causing the pressure ring 4 to slide and jam. It also reduces the possibility of bacteria growth and odor production in the gap. Furthermore, the elasticity of the elastic sealing ring 6 ensures the fixed position of the pressure ring 4 on the connecting rod 8.
[0024] Among the optional solutions in this embodiment, the more preferred one is as follows: Figure 1 As shown, a counterweight 7 is fixed to the upper end of the pressure ring 4. The counterweight 7 can apply downward pressure using its own weight, so that the pressure ring 4 is pressed more tightly against the pressure ring surface of the opening on the hollow filter cylinder 1, which enhances the fixing effect on the flexible filter screen 5, avoids the filter screen from shifting or loosening due to water flow impact or debris accumulation during the filtration process, and ensures filtration stability.
[0025] Among the optional solutions in this embodiment, the more preferred one is as follows: Figure 1 As shown, the counterweight 7 is ring-shaped. The ring structure allows the counterweight 7 to be evenly distributed around the connecting rod 8, making the gravitational force on the pressure ring 4 more balanced. This avoids uneven pressing force on the flexible filter screen 5 caused by counterweight offset, ensuring that all parts of the filter screen can tightly fit the pressing ring surface of the opening on the hollow filter cylinder 1, further improving the stability and sealing of the filter screen.
[0026] Among the optional solutions in this embodiment, the more preferred one is as follows: Figure 1As shown, the upper opening is a flared shape; and the larger end of the upper opening is close to the flexible filter screen 5, and the pressing ring surface is an arc-shaped surface. The larger end of the flared opening can expand the coverage area of the flexible filter screen 5, more fully catching water flow and debris, reducing the possibility of debris leaking in from the edge of the filter cartridge, and improving the filtration effect; while the arc-shaped pressing ring surface can form a closer contact with the flexible filter screen 5, avoiding local stress concentration on the filter screen during pressing by the pressing ring 4, which could lead to damage, and extending the service life of the filter screen. At the same time, the arc-shaped fit can also enhance the pressing seal, further preventing small debris from seeping into the filter cartridge from the pressing gap, ensuring filtration reliability.
[0027] Specifically, when it is necessary to empty the debris, the entire device can be removed from the drain, floor drain, or sink by grabbing handle 2. By flipping and shaking the entire device, the pressure ring 4 will disengage from the flexible filter screen 5 by its own weight or by applying traction to the pressure ring 4. The flexible filter screen 5 will then be poured out along with the debris. When using it again, a new flexible filter screen 5 can be installed.
[0028] This utility model uses specific examples to illustrate its principles and implementation methods. The above description of the embodiments is only for the purpose of helping to understand the method and core idea of this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the idea of this utility model. In summary, the content of this specification should not be construed as a limitation of this utility model.
Claims
1. A debris-trapping filter, characterized in that: Includes a perforated filter cartridge, a pressure ring, a connecting rod, and multiple flexible filter screens; The perforated filter cylinder has an upper opening, and the side wall and bottom of the perforated filter cylinder have multiple first filter holes; the lower end of the connecting rod is fixed to the perforated filter cylinder, and the upper end of the connecting rod extends upward in the vertical direction. The pressure ring is slidably sleeved on the connecting rod in the vertical direction; a pressing ring surface is provided at the upper opening, and the pressure ring is used to press against the pressing ring surface; The flexible filter screen covers the upper opening, and the flexible filter screen is fixedly pressed into the upper opening by the pressure ring; the mesh size of the flexible filter screen is smaller than that of the first filter hole, and the flexible filter screen is replaceable.
2. The debris-intercepting filter according to claim 1, characterized in that: A slip ring is fixedly provided on the outer wall of the pressure ring. The slip ring has upper and lower through holes. The inner wall of the upper and lower through holes is formed by a plurality of limiting planes connected in sequence. The connecting rod is slidably disposed in the upper and lower through holes, and the outer wall of the connecting rod corresponds to the shape of the inner wall of the upper and lower through holes.
3. The debris-intercepting filter according to claim 1, characterized in that: A handle is fixedly installed at the upper end of the connecting rod.
4. The debris-intercepting filter according to claim 2, characterized in that: An elastic sealing ring is fitted onto the connecting rod, and the elastic sealing ring is located above the slip ring and is fixedly connected to the slip ring.
5. The debris-intercepting filter according to claim 1, characterized in that: A counterweight is fixed to the upper end of the pressure ring.
6. The debris-intercepting filter according to claim 5, characterized in that: The counterweight is ring-shaped.
7. The debris-intercepting filter according to claim 1, characterized in that: The upper opening is a flared opening; and the larger end of the upper opening is close to the flexible filter screen, and the pressing ring surface is an arc-shaped surface.