Odor-resistant plastic floor drain

Abstract

The application belongs to the technical field of floor drains, and particularly relates to a deodorization plastic floor drain, which comprises a connecting hopper, a water inlet arranged at the top of the connecting hopper, a water outlet arranged at the bottom of the connecting hopper, and a detachable filter screen arranged on the water inlet; a water guide arranged in the connecting hopper and used for guiding water flow; a deodorization assembly comprising an automatic sealing structure arranged at the bottom of the connecting hopper and a water seal structure arranged at the bottom of the water guide; and an outer wall of the top of the water guide and an inner wall of the connecting hopper are detachably connected. The application has the beneficial effect that, after water flow stops, due to the special design of the water seal hopper, the water seal hopper can accumulate a certain amount of water, a liquid seal is formed through the accumulated water, and the odor and bacteria in the sewer can be effectively blocked, so that the indoor air is kept fresh.

Description

Technical Field

[0001] This application belongs to the field of floor drain technology, and in particular relates to an odor-proof plastic floor drain. Background Technology

[0002] In modern buildings, floor drains are an important component of the drainage system, and their function and performance directly affect the comfort and health of the indoor environment. However, with changes in building design and increasing drainage demands, many traditional floor drains have not fully considered the importance of odor prevention in their design. Odors and bacteria from the floor drains may back into the room through the drainage pipes, seriously affecting indoor air quality.

[0003] Patent CN220953774U discloses an odor-proof floor drain, relating to the field of drainage system technology. It includes a water storage tank with an inlet at the upper end and an outlet at the lower end. A first ceramic sealing part is provided at the lower edge of the water storage tank near the outlet. A movable member, hinged to the water storage tank, includes a sealing plate and a counterweight. The sealing plate is located below the outlet, and the counterweight is located on the side away from the outlet. The top edge of the sealing plate forms a sealing end for the outlet, and the sealing end has a second ceramic sealing part. When the movable member rotatably covers the sealing plate at the outlet end, the first and second ceramic sealing parts cooperate to seal the outlet.

[0004] The aforementioned patent ensures the sealing of the drain outlet by setting an automatically closing sealing plate. Although it can achieve the effect of preventing odors, the connection is made by a rotating shaft. With prolonged use, the shaft may become stuck, causing the drain to close completely and ultimately resulting in the failure of the odor-preventing function. Therefore, improvements are needed. Utility Model Content

[0005] The purpose of this application is to provide an odor-proof plastic floor drain that can solve the above-mentioned problems.

[0006] The purpose of this application is to provide an odor-proof plastic floor drain, comprising: The connecting bucket has an inlet at the top and an outlet at the bottom, with a removable filter screen on the inlet. A water guide component, installed inside the connecting hopper, is used for guiding the flow; The odor-proof component includes an automatic sealing structure located at the bottom of the connecting hopper and a water seal structure located at the bottom of the water guide; The outer wall of the top of the water guide is detachably connected to the inner wall of the connecting bucket.

[0007] This type of dual-odor-proof plastic floor drain features an inlet at the top of the connecting bucket to receive water from the ground, and an outlet at the bottom to drain water into the drainage system. A filter at the inlet prevents large particles from entering the drain. A water guide is located inside the connecting bucket. An automatic sealing structure at the bottom of the connecting bucket automatically closes the outlet when no water flows through, preventing backflow of odors. A water seal structure at the bottom of the water guide further blocks odors using a water seal formed by the water flow. Even if the automatic sealing structure fails for some reason, the water seal structure still provides additional odor protection. Furthermore, the outer wall of the top of the water guide is detachably connected to the inner wall of the connecting bucket, facilitating user disassembly and cleaning of the drain's interior, and also making it easier to replace damaged parts.

[0008] With its dual design of an automatic sealing structure and a water seal structure, even if one structure fails, the other can still provide odor prevention, improving the reliability and durability of the floor drain. The detachable connection between the water guide and the connecting bucket allows users to easily disassemble the floor drain for cleaning and maintenance, extending its lifespan.

[0009] Furthermore, the water guiding element includes: The connecting section has external threads on its outer wall and internal threads that mate with the external threads on the inner wall of the connecting bucket. The guide section extends downwards and is cylindrical in shape; The diameter of the connecting section is larger than that of the guide section, and an arc-shaped transition section is provided between the two.

[0010] The connecting section has external threads on its outer wall, which mate with the internal threads of the connecting bucket for a detachable connection. The guide section extends downwards and is cylindrical, guiding water flow smoothly through the floor drain. Its diameter is smaller than that of the connecting section. The transition section, located between the connecting section and the guide section, has an arc-shaped design, making the diameter change between the two sections smoother and preventing eddies or turbulence, thus further improving drainage efficiency. Through the rational design of the connecting section, guide section, and transition section, the overall structure of the floor drain is more compact and stable, while also improving drainage efficiency.

[0011] Furthermore: the water seal structure includes a water seal hopper disposed inside the connecting hopper, with an opening at its top, the horizontal height of which is higher than the bottom of the guide section. This allows for water accumulation.

[0012] The top of the water seal hopper has an opening designed to be higher than the bottom of the guide section. This ensures that when water flows through the guide section into the connecting hopper, it accumulates within the water seal hopper, forming a certain water level. After the water flow stops, due to the special design of the water seal hopper, it can store a certain amount of water, forming a liquid seal that effectively blocks odors and bacteria from the sewer system, maintaining fresh indoor air.

[0013] Furthermore, the automatic sealing structure includes: A connecting frame is located at the bottom of the connecting bucket; The sealing plate, hinged to the connecting frame via a pivot, is used to seal the water outlet; The counterweight is located on the connecting frame at the end away from the sealing plate and is connected to the rotating shaft; The counterweight moves downwards under the influence of gravity, which causes the sealing plate to tilt up and engage with the water outlet.

[0014] The connecting frame is located at the bottom of the connecting hopper, serving as a support structure for the sealing plate and counterweight. The sealing plate is hinged to the connecting frame via a pivot and is used to seal the outlet. The counterweight is located on the connecting frame at the end furthest from the sealing plate and is connected to the pivot. The counterweight utilizes gravity to cause the sealing plate to automatically tilt and tightly seal against the outlet when no water flow is present. The mass and position of the counterweight are adjusted as needed to ensure stable operation of the sealing plate.

[0015] When no water flows through the drain, the counterweight moves downwards under gravity, causing the sealing plate to lift and tightly seal against the outlet via a rotating shaft. This creates a tight barrier between the sealing plate and the outlet, effectively preventing the backflow of odors and bacteria. When water flows through the drain, the force of the water pushes the sealing plate to rotate around the shaft, opening the outlet. As water continues to flow in, the sealing plate is gradually pushed open, allowing water to flow smoothly into the drainage system. When the water flow stops, the counterweight moves downwards again under gravity, causing the sealing plate to return to its original position and tightly seal against the outlet. The drain then returns to its odor-proof state when no water flows through. This automatic sealing structure automatically seals the outlet when no water flows through, effectively preventing the backflow of odors and bacteria.

[0016] Furthermore, a sealing ring is provided on the side of the sealing plate that mates with the water outlet.

[0017] By installing a sealing ring, the tiny gaps between the sealing plate and the water outlet can be filled, thereby enhancing the sealing performance of the floor drain and effectively preventing odors and bacteria from entering the room through the gaps, keeping the indoor air fresh. The sealing ring can be made of rubber or silicone.

[0018] Furthermore, the bottom of the connecting bucket is also provided with a clearance groove for the counterweight to move, preventing the counterweight from being obstructed during movement. The clearance groove is located at the bottom of the connecting bucket, which ensures that the counterweight has enough space to move during operation, and will not interfere with other parts of the connecting bucket. This ensures that the counterweight can smoothly drive the sealing plate to lift up and fit tightly against the outlet.

[0019] The beneficial effects of this application are: 1. After the water flow stops, due to the special design of the water seal hopper, a certain amount of water can be accumulated in the water seal. The accumulated water forms a liquid seal, which can effectively block the odor and bacteria in the sewer and keep the indoor air fresh. 2. When the water flow stops, the counterweight moves downward under the influence of gravity, and drives the sealing plate back to its original position through the rotating shaft and tightly fits the water outlet. The floor drain will then enter the odor-proof state when there is no water flow. The automatic sealing structure can automatically block the water outlet when there is no water flow, effectively preventing the reverse diffusion of odors and bacteria. 3. The dual design of the automatic sealing structure and water seal structure ensures that even if one structure fails, the other continues to provide odor prevention, improving the reliability and durability of the floor drain. The detachable connection between the water guide and the connecting bucket allows users to easily disassemble the floor drain for cleaning and maintenance, extending its lifespan. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a structural schematic diagram from another perspective of the present invention; Figure 3 This is a schematic diagram of the internal structure of this utility model.

[0021] The attached diagram is labeled as follows: 100, connecting hopper; 110, inlet; 120, outlet; 130, filter screen; 200, water guide; 210, connecting section; 220, flow guide section; 230, transition section; 300, automatic sealing structure; 310, connecting frame; 320, sealing plate; 330, counterweight; 340, sealing ring; 350, clearance groove; 400, water seal structure; 410, water seal hopper. Detailed Implementation

[0022] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0023] The terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first," "second," etc., are generally of the same class and the number of objects is not limited; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0024] The odor-proof plastic floor drain provided in this application will be described in detail below with reference to the accompanying drawings, through specific embodiments and application scenarios.

[0025] Example 1: like Figures 1 to 3 As shown, this application embodiment provides an odor-proof plastic floor drain, including: The connecting bucket 100 has an inlet 110 at the top and an outlet 120 at the bottom. A removable filter screen 130 is installed on the inlet 110. A water guide component 200 is installed inside the connecting bucket 100 for guiding the flow. The odor-proof component includes an automatic sealing structure 300 disposed at the bottom of the connecting hopper 100 and a water seal structure 400 disposed at the bottom of the water guide 200; The outer wall of the top of the water guide 200 is detachably connected to the inner wall of the connecting bucket 100.

[0026] In some embodiments of this application, such as Figure 1 As shown, the aforementioned dual-odor-proof plastic floor drain has an inlet 110 at the top of the connecting bucket 100 to receive water from the ground, and an outlet 120 at the bottom to discharge water into the drainage system. The filter screen 130 of the inlet 110 prevents large particles from entering the drain. A water guide 200 is located inside the connecting bucket 100. An automatic sealing structure 300 is located at the bottom of the connecting bucket 100; when no water flows through, this structure automatically closes the outlet 120 to prevent backflow of odors. A water seal structure 400 is located at the bottom of the water guide 200, using a water seal formed by the water flow to further block odors. Even if the automatic sealing structure 300 fails for some reason, the water seal structure 400 still provides additional odor protection. Furthermore, the outer wall of the top of the water guide 200 is detachably connected to the inner wall of the connecting bucket 100, facilitating user disassembly and cleaning of the drain's interior, and also making it easier to replace damaged parts.

[0027] The dual design of the automatic sealing structure 300 and the water seal structure 400 ensures that even if one structure fails, the other continues to provide odor prevention, improving the reliability and durability of the floor drain. The detachable connection between the water guide 200 and the connecting bucket 100 allows users to easily disassemble the floor drain for cleaning and maintenance, extending its lifespan.

[0028] Example 2: This application provides an odor-proof plastic floor drain. In addition to the above-mentioned technical features, the odor-proof plastic floor drain of this application also includes the following technical features.

[0029] like Figures 1 to 3 As shown, the water guiding component 200 includes: The connecting section 210 has an external thread on its outer wall, and the connecting bucket 100 has an internal thread that mates with the external thread on its inner wall. The guide section 220 extends downwards and is cylindrical; The diameter of the connecting section 210 is larger than that of the guide section 220, and an arc-shaped transition section 230 is provided between the two.

[0030] In this embodiment, the outer wall of the connecting section 210 is provided with external threads, which mate with the internal threads of the connecting bucket 100 to achieve a detachable connection. The guide section 220 extends downward and is cylindrical, used to guide water flow smoothly through the floor drain. Its diameter is smaller than that of the connecting section 210. The transition section 230 is located between the connecting section 210 and the guide section 220, and has an arc-shaped design, making the diameter change between the connecting section 210 and the guide section 220 smoother, avoiding the generation of eddies or turbulence in the water flow at this point, and further improving drainage efficiency. Through the reasonable design of the connecting section 210, the guide section 220, and the transition section 230, the overall structure of the floor drain is more compact and stable, while improving drainage efficiency.

[0031] Example 3: This application provides an odor-proof plastic floor drain. In addition to the above-mentioned technical features, the odor-proof plastic floor drain of this application also includes the following technical features.

[0032] like Figures 1 to 3 As shown, the water seal structure 400 includes a water seal hopper 410 disposed inside the connecting hopper 100, with an opening at its top. The horizontal height of the opening is higher than the bottom of the guide section 220. Water accumulates through this process.

[0033] In this embodiment, the top of the water seal hopper 410 has an opening, the horizontal height of which is designed to be higher than the bottom of the guide section 220. This ensures that when water flows through the guide section 220 into the connecting hopper 100, it can accumulate in the water seal hopper 410 and form a certain water level. After the water flow stops, due to the special design of the water seal hopper 410, it can accumulate a certain amount of water, forming a liquid seal that effectively blocks odors and bacteria from the sewer, maintaining clean indoor air.

[0034] Example 4: This application provides an odor-proof plastic floor drain. In addition to the above-mentioned technical features, the odor-proof plastic floor drain of this application also includes the following technical features.

[0035] like Figures 1 to 3 As shown, the automatic sealing structure 300 includes: The connecting frame 310 is located at the bottom of the connecting bucket 100; The sealing plate 320 is hinged to the connecting frame 310 via a rotating shaft and is used to block the water outlet 120. A counterweight 330 is disposed on the end of the connecting frame 310 away from the sealing plate 320 and connected to the rotating shaft; The counterweight 330 moves downward under the influence of gravity, thereby causing the sealing plate 320 to tilt up and cooperate with the outlet 120.

[0036] In this embodiment, the connecting frame 310 is disposed at the bottom of the connecting hopper 100, serving as a support structure for the sealing plate 320 and the counterweight 330. The sealing plate 320 is hinged to the connecting frame 310 via a pivot and is used to seal the outlet 120. The counterweight 330 is disposed on the connecting frame 310 at the end away from the sealing plate 320 and is connected to the pivot. The counterweight 330 utilizes gravity to allow the sealing plate 320 to automatically tilt and tightly adhere to the outlet 120 when no water flow is present. The mass and position of the counterweight 330 are adjusted according to actual needs to ensure the stable operation of the sealing plate 320.

[0037] When no water flows through the drain, the counterweight 330 moves downwards under gravity, causing the sealing plate 320 to tilt upwards and tightly seal against the outlet 120 via a rotating shaft. At this time, a tight barrier is formed between the sealing plate 320 and the outlet 120, effectively preventing the backflow of odors and bacteria. When water flows through the drain, the force of the water flow pushes the sealing plate 320 to rotate around the rotating shaft, opening the outlet 120. As water continues to flow in, the sealing plate 320 is gradually pushed open by the water flow, allowing water to flow smoothly through the drain into the drainage system. When the water flow stops, the counterweight 330 moves downwards again under gravity, causing the sealing plate 320 to return to its original position and tightly seal against the outlet 120 via the rotating shaft. At this time, the drain returns to its odor-proof state when no water flows through. The automatic sealing structure 300 can automatically seal the outlet 120 when no water flows through, effectively preventing the backflow of odors and bacteria.

[0038] Furthermore, a sealing ring 340 is provided on the side of the sealing plate 320 that mates with the outlet 120.

[0039] By incorporating a sealing ring 340, the tiny gap between the sealing plate 320 and the outlet 120 can be filled, thereby enhancing the sealing performance of the floor drain and effectively preventing odors and bacteria from entering the room through the gap, thus maintaining fresh indoor air. The sealing ring 340 can be made of rubber or silicone.

[0040] Furthermore, the bottom of the connecting bucket 100 is also provided with a clearance groove 350 for the counterweight 330 to move, preventing the counterweight 330 from being obstructed during movement. The clearance groove 350 is located at the bottom of the connecting bucket 100, which ensures that the counterweight 330 has enough space to move when it is in motion, and will not interfere with other parts of the connecting bucket 100. This ensures that the counterweight 330 can smoothly drive the sealing plate 320 to tilt up and fit tightly against the outlet 120.

[0041] It should be noted that, in this document, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element. Furthermore, it should be noted that the scope of the methods and apparatuses in the embodiments of this application is not limited to performing functions in the order shown or discussed, but may also include performing functions substantially simultaneously or in the reverse order, depending on the functions involved. For example, the described methods may be performed in a different order than described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

[0042] The embodiments of this application have been described above with reference to the accompanying drawings. However, this application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. An odor-proof plastic floor drain, characterized in that: include: The connecting bucket (100) has an inlet (110) at the top and an outlet (120) at the bottom. A removable filter screen (130) is provided on the inlet (110). A water guide (200) is installed inside the connecting bucket (100) for guiding the flow; The odor-proof component includes an automatic sealing structure (300) disposed at the bottom of the connecting hopper (100) and a water seal structure (400) disposed at the bottom of the water guide (200); The outer wall of the top of the water guide (200) is detachably connected to the inner wall of the connecting bucket (100).

2. The odor-proof plastic floor drain according to claim 1, characterized in that: The water guide element (200) includes: The connecting section (210) has an external thread on its outer wall, and the connecting bucket (100) has an internal thread that mates with the external thread on its inner wall. The guide section (220) extends downward and is cylindrical; The diameter of the connecting section (210) is larger than that of the guide section (220), and an arc-shaped transition section (230) is provided between the two.

3. The odor-proof plastic floor drain according to claim 2, characterized in that: The water seal structure (400) includes a water seal bucket (410) disposed inside the connecting bucket (100), with an opening at its top, the horizontal height of which is higher than the bottom of the guide section (220).

4. The odor-proof plastic floor drain according to claim 3, characterized in that: The automatic sealing structure (300) includes: A connecting frame (310) is provided at the bottom of the connecting bucket (100); A sealing plate (320) is hinged to a connecting frame (310) via a pivot and is used to block the outlet (120); A counterweight (330) is disposed on the connecting frame (310) at one end away from the sealing plate (320) and connected to the rotating shaft; The counterweight (330) moves downward under the influence of gravity, thereby causing the sealing plate (320) to tilt up and cooperate with the outlet (120).

5. The odor-proof plastic floor drain according to claim 4, characterized in that: A sealing ring (340) is provided on the side of the sealing plate (320) that mates with the water outlet (120).

6. The odor-proof plastic floor drain according to claim 5, characterized in that: The bottom of the connecting bucket (100) is also provided with a clearance groove (350) for the counterweight (330) to move.

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