A drain plug device
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-01
- Publication Date
- 2026-08-11
AI Technical Summary
[0003]然而,目前市场上的多数下水器,为实现多功能集成,由多个独立部件组装而成,由于结构装配不合理,导致结构复杂、安装不便、操作繁琐等问题,而且处理滤网上堆积毛发、油污等杂质时存在拆卸困难、不易清洗等问题,用户体验较差
[0015]采用上述方案后,本新型一种下水堵头装置,通过巧妙的集成化和模块化设计,将核心功能部件(堵头密封盖、弹跳芯及滤网座)进行上下依次连接,滤网采用相互分体的滤网座与滤网主体,如此集成为一个可活动的堵头组件,部件间连接关系明确且直接,结构简单,用户在安装时只需处理堵头座和堵头组件两个主要部分,无需进行繁琐的多部件对位和连接,实现一键式快速安装。所述堵头座能够灵活地、稳固地嵌装在不同规格、尺寸或品牌的水槽、面盆等排水口上,带来通配适用性效果,如此使得一款产品即可满足绝大多数用户的安装需求。
Smart Images

Figure CN224620736U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of drainage technology, specifically to a drain plug device. Background Technology
[0002] In existing bathroom and kitchen appliances, the drain assembly is a key component of the drainage system for sinks, basins, and other similar fixtures. Its performance directly affects drainage efficiency, odor prevention, and user experience. Common drain assemblies typically include multiple components such as a filter, spring-loaded core, and sealing ring to perform functions such as blocking the drain outlet, filtering impurities, controlling opening and closing, and preventing leaks.
[0003] However, most drainers on the market today are assembled from multiple independent components to achieve multi-functional integration. Due to unreasonable structural assembly, they suffer from problems such as complex structure, inconvenient installation, and cumbersome operation. Moreover, they are difficult to disassemble and clean when dealing with hair, oil, and other impurities accumulated on the filter screen, resulting in a poor user experience.
[0004] In view of this, this case conducts an in-depth study on the above-mentioned problems and proposes a drain plug device to solve the aforementioned technical problems, thus giving rise to this case. Utility Model Content
[0005] The purpose of this utility model is to provide a drain plug device that is simple in structure, easy to install, and easy to clean.
[0006] To achieve the above objectives, the solution of this utility model is:
[0007] A drain plug device includes a plug seat and a plug assembly movably mounted on the plug seat; the plug assembly includes a plug sealing cap, a spring-loaded core, and a filter screen, the filter screen including a filter screen body extending vertically and a filter screen seat that can be installed inside the filter screen body; the sealing cap, the spring-loaded core, and the filter screen seat are connected vertically in sequence; the plug assembly includes a first state in which the filter screen seat is assembled with the filter screen body, and a second state in which the filter screen seat is detached from the filter screen body.
[0008] The plug assembly is movably assembled with the plug seat via the filter body.
[0009] The plug seat has a first limiting part inside, and the filter body has a second limiting part that cooperates with the first limiting part to limit movement.
[0010] The first limiting part is an annular step, and the second limiting part is an annular flange that mates with the annular step.
[0011] The sealing cap is threadedly connected to the bouncing core, and the bouncing core is threadedly connected to the filter screen seat.
[0012] The sealing cap is a small sealing cap that is flush with the plug seat, or a large sealing cap located above the plug seat.
[0013] The sealing cap includes a cap body and a first sealing element mounted on the cap body.
[0014] A second sealing element is fitted onto the plug seat.
[0015] By adopting the above solution, this novel drain plug device, through ingenious integration and modular design, connects the core functional components (plug sealing cap, spring-loaded core, and filter screen holder) sequentially from top to bottom. The filter screen uses a separate filter screen holder and filter screen body, thus integrating them into a movable plug assembly. The connection relationship between components is clear and direct, and the structure is simple. During installation, users only need to handle the two main parts: the plug seat and the plug assembly, eliminating the need for cumbersome multi-component alignment and connection, achieving one-click quick installation. The plug seat can be flexibly and securely embedded in drain outlets of sinks, basins, etc., of different specifications, sizes, or brands, providing a universal applicability effect. Thus, one product can meet the installation needs of most users.
[0016] The filter features a modular design with a filter body and a filter holder, enabling efficient cleaning of the core filtration function. When cleaning is required, users simply lift and remove the filter holder in two steps: first, lift the entire plug assembly (in its first position), then remove the filter holder by holding the sealing cap. This allows for thorough and convenient cleaning of all core components. As the sealing cap removes the filter holder from the filter body, it also carries away accumulated debris, avoiding the hassle and unsanitary conditions of manually removing debris. This targeted cleaning significantly improves hygiene and efficiency. Attached Figure Description
[0017] Figure 1 This is a three-dimensional schematic diagram of the new type of drain plug device;
[0018] Figure 2 This is an exploded view of the new type of drain plug device;
[0019] Figure 3 This is a cross-sectional view of the new type of drain plug device;
[0020] Figure 4 This is a schematic diagram of the first state of the new type of drain plug device;
[0021] Figure 5 This is a schematic diagram of the second state of the new type of drain plug device;
[0022] Figure 6 This is a schematic diagram of the second embodiment of the novel drain plug device.
[0023] Label Explanation
[0024] Plug seat 1, first limiting part 11, second sealing element 12; plug assembly 2, sealing cover 21, cover body 211, first sealing element 212; spring core 22; filter screen 23, filter screen body 231, second limiting part 2311, filter screen seat 232. Detailed Implementation
[0025] The following detailed description of this case is provided in conjunction with the accompanying drawings and specific embodiments.
[0026] This case involves a drain plug device, such as... Figure 1-6 As shown, it includes a plug seat 1 and a plug assembly 2 movably mounted on the plug seat 1.
[0027] The plug assembly 2 includes a plug sealing cap 21, a spring-loaded core 22, and a filter screen 23. The filter screen 23 includes a filter screen body 231 extending vertically and a filter screen seat 232 that can be installed inside the filter screen body 231. The sealing cap 21, the spring-loaded core 22, and the filter screen seat 232 are connected vertically in sequence.
[0028] The plug assembly 2 has a first state and a second state. The first state is as follows: Figure 1 or Figure 4 As shown, the filter holder 232 and the filter body 231 are assembled together, and the various components of the plug assembly 2 are assembled into a single unit, which is installed inside the plug holder 1 (e.g., Figure 1 At this time, the plug assembly 2 is in normal working condition; the entire component is extracted from the plug seat 1 (e.g., Figure 4 At this point, the plug assembly 2 is removed from the drain outlet, which facilitates subsequent disassembly, cleaning, and other maintenance of the plug assembly 2.
[0029] The plug assembly 2, removed from the drain outlet, can be disassembled later by the user holding the sealing cap 21 to remove the filter screen base 232, as follows: Figure 5 As shown, the filter holder 232 is detached from the filter body 231, and the plug assembly 2 is in its second state. At this time, the user can easily clean all the core functional components of the plug device (sealing cover 21, spring core 22, filter holder 232, and filter body 231) without any blind spots. The sealing cover 21, spring core 22, and filter holder 232 are connected to each other, maintaining the integration of functional components and avoiding the problem of parts being lost or misassembled during the cleaning process.
[0030] When the sealing cover 21 removes the filter screen holder 232 from the filter screen body 231, it will directly remove the garbage accumulated inside the filter screen body 231. This avoids the trouble and unsanitary conditions of removing garbage, and achieves targeted cleaning of garbage, significantly improving hygiene and cleaning efficiency.
[0031] This novel drain plug device allows the plug seat 1 to be flexibly and securely installed on drain outlets of sinks, basins, and other containers of different specifications, sizes, or brands, providing universal applicability. This means that one product can meet the installation needs of the vast majority of users. Furthermore, the universal installation design makes installation simpler and more intuitive, offering versatility and ease of use. Of course, in application, when the actual sink drain outlet is roughly the same size as the plug seat 1, the plug assembly 2 can also be directly and movably installed onto the sink drain outlet.
[0032] In a preferred embodiment, the plug assembly 2 is movably assembled with the plug seat 1 via the filter body 231. The cooperation between the filter body 231 and the plug seat 1 allows for smoother and more stable operation for the user when lifting and cleaning or installing the plug assembly 2.
[0033] Furthermore, the plug holder 1 is provided with a first limiting part 11 inside, and the filter body 231 is provided with a second limiting part 2311 that cooperates with the first limiting part 11 to limit movement. Through the cooperation of the first limiting part 11 and the second limiting part 2311, it is ensured that the plug assembly 2 can quickly and accurately reach the predetermined working position when installed in the plug holder 1. It also effectively prevents the plug assembly 2 from accidentally displacing excessively downwards during normal use or lifting operations, thus improving the safety and reliability of the product.
[0034] Furthermore, the first limiting part 11 is an annular step, and the second limiting part 2311 is an annular flange that mates with the annular step 21. The mating of the annular step and the annular flange provides a large contact and support area, making the limiting more stable and reliable, capable of withstanding greater axial forces, and less prone to damage or deformation.
[0035] In a preferred embodiment, the sealing cap 21 is threadedly connected to the spring-loaded core 22, and the spring-loaded core 22 is threadedly connected to the filter holder 232. The use of threaded mechanical connections ensures reliable connection, structural stability, and ease of production and maintenance.
[0036] like Figure 1 In Embodiment 1, the sealing cap 21 is a small sealing cap that is flush with the plug seat 1. Figure 6 In Embodiment Two, the sealing cap 21 is a large sealing cap located above the plug seat 1. The small cap is simple, while the large cap is conspicuous and easy to operate. The two designs—a flush-mounted small cap and a raised large cap—can meet the preferences and needs of different user groups.
[0037] like Figure 2-3As shown, the sealing cap 21 includes a cap body 211 and a first sealing element 212 mounted on the cap body 211. In use, when the spring-loaded core 22 is pressed down, the plug assembly 2 seals with the plug seat 1 through the first sealing element 212, achieving a plug sealing effect. When the spring-loaded core 22 is pressed up, the first sealing element 212 separates from the plug seat 1, achieving the function of draining water.
[0038] A second sealing element 12 is fitted onto the plug seat 1. The second sealing element 12 is used to seal the installation gap between the plug seat 1 and the drain outlet of the sink or basin. The second sealing element 12 has a certain deformation compensation capability, which can adapt to different basin drain outlet sizes, enhancing the versatility of the product.
[0039] This utility model achieves the technical effects of simplified structure, convenient installation, easy cleaning and high reliability through ingenious integration and modular design, and has high market promotion value and application prospects.
[0040] The above description is only a preferred embodiment of the present invention. All equivalent changes and modifications made within the scope of the claims of the present invention shall fall within the scope of the claims of the present invention.
Claims
1. A drain plug device, characterized in that: The device includes a plug seat and a plug assembly movably mounted on the plug seat; the plug assembly includes a plug sealing cap, a spring-loaded core, and a filter screen, the filter screen including a filter screen body extending vertically and a filter screen seat that can be installed within the filter screen body; the sealing cap, spring-loaded core, and filter screen seat are connected vertically in sequence; the plug assembly includes a first state in which the filter screen seat is assembled with the filter screen body, and a second state in which the filter screen seat is detached from the filter screen body.
2. The drain plug device as described in claim 1, characterized in that: The plug assembly is movably assembled with the plug seat via the filter body.
3. A drain plug device as described in claim 1 or 2, characterized in that: The plug seat has a first limiting part inside, and the filter body has a second limiting part that cooperates with the first limiting part to limit movement.
4. A drain plug device as described in claim 3, characterized in that: The first limiting part is an annular step, and the second limiting part is an annular flange that mates with the annular step.
5. A drain plug device as described in claim 1, characterized in that: The sealing cap is threadedly connected to the bouncing core, and the bouncing core is threadedly connected to the filter screen seat.
6. A drain plug device as described in claim 1, characterized in that: The sealing cap is a small sealing cap that is flush with the plug seat, or a large sealing cap located above the plug seat.
7. A drain plug device as described in claim 1, characterized in that: The sealing cap includes a cap body and a first sealing element mounted on the cap body.
8. A drain plug device as described in claim 1, characterized in that: A second sealing element is fitted onto the plug seat.