Odor isolation device for drainer and drainer system

Abstract

The utility model discloses an odor isolation device for drainer and drainer system, the device comprises a liner and a connecting pipeline, the liner comprises an annular boss and a double-hole reducing piece, the annular boss and the double-hole reducing piece are in an integrated structure, the double-hole reducing piece comprises a first outlet hole and a second outlet hole, the diameter of the first outlet hole is larger than that of the second outlet hole, and the connecting pipeline is connected with the annular boss and the double-hole reducing piece. The gasket is installed in the connecting pipeline, the double-hole reducing piece is arranged in the connecting pipeline, and the annular boss is connected to one side of a water inlet hole of the connecting pipeline in a clamped mode; when the device is installed in a sewer pipeline of a drainer, the connecting pipeline can be embedded in the sewer pipeline, the annular boss abuts against a sewer opening of the drainer, and a part of the double-hole reducing piece is immersed in liquid in the sewer pipeline so as to prevent odor in the sewer pipeline from returning.

Description

Technical Field

[0001] This utility model relates to, but is not limited to, the field of drainage system technology, and in particular to an odor-blocking device and a drainage system for a sewer. Background Technology

[0002] Traditional drain liners primarily function to prevent leaks, with less consideration given to odor control. This leads to unpleasant odors from the drainpipes easily returning through the drain outlet, especially in public restrooms or home bathrooms, affecting indoor air quality and causing discomfort to users. While some odor-blocking liners exist on the market, they are often complex in structure, inconvenient to install, and expensive. Therefore, developing a drain liner that is simple in structure, easy to install, and effectively blocks and prevents odors is of paramount importance. Utility Model Content

[0003] The following is an overview of the subject matter described in detail herein. This overview is not intended to limit the scope of the claims. This invention aims to at least solve one of the technical problems existing in the prior art. To this end, embodiments of this invention provide an odor-blocking device for a drain, which can achieve multiple beneficial effects such as efficient odor blocking, simple structure, convenient installation, and cost-effectiveness, providing users with a better user experience.

[0004] In a first aspect, this utility model provides an odor-blocking device for a drain assembly, comprising a gasket and a connecting pipe. The gasket includes an annular boss and a double-hole reducer, which are integrally formed. The double-hole reducer includes a first outlet and a second outlet, the diameter of the first outlet being larger than the diameter of the second outlet. The gasket is installed inside the connecting pipe, wherein the double-hole reducer is placed inside the connecting pipe, and the annular boss is engaged with the water inlet side of the connecting pipe. When the device is installed in the drain pipe of the drain assembly, the connecting pipe is fitted inside the drain pipe, the annular boss abuts against the drain outlet of the drain assembly, and a portion of the double-hole reducer is immersed in the liquid inside the drain pipe to prevent odors from returning from inside the drain pipe.

[0005] In conjunction with the first aspect, according to some embodiments of the present invention, the diameter of the annular boss is greater than the diameter of the first outlet hole.

[0006] In conjunction with the first aspect, according to some embodiments of the present invention, when the gasket is installed inside the connecting pipe, the lower end of the gasket does not abut against the bottom of the inner wall of the connecting pipe.

[0007] In conjunction with the first aspect, according to some embodiments of the present invention, the water inlet of the connecting pipe is provided with an annular groove that mates with the annular boss. When the gasket is installed in the connecting pipe, the annular boss and the annular groove are fitted together, and the upper end face of the annular boss is higher than the upper end face of the annular groove.

[0008] In conjunction with the first aspect, according to some embodiments of the present invention, the material used to prepare the liner is silicone.

[0009] In conjunction with the first aspect, according to some embodiments of the present invention, the gasket further includes a sealing coating for enhancing the sealing effect.

[0010] Secondly, this utility model provides a drain system, including a drain and a front odor-blocking device. The odor-blocking device is installed inside the drain pipe of the drain to achieve sealing and odor-blocking and leak-proof functions.

[0011] In conjunction with the second aspect, according to some embodiments of the present invention, the drain device adapted to the odor-blocking device includes at least one of a urinal, a sink, a bathtub, and a shower room drain.

[0012] The visual inspection device of this utility model embodiment has at least the following beneficial effects:

[0013] 1. Through the designed gasket structure, particularly the combination of the annular boss and the double-hole reducer, effective isolation of odors inside the drain pipes is achieved. A portion of the double-hole reducer is submerged in liquid, forming a natural barrier that prevents odors from returning to the pipes, thereby improving indoor air quality.

[0014] 2. Compared to some complex odor-blocking gaskets on the market, this device features a simpler design, requiring no complicated installation steps or additional tools. Its simple structure and relatively low material cost provide good cost-effectiveness while ensuring efficient odor blocking and leak prevention. Attached Figure Description

[0015] The accompanying drawings are provided to further understand the technical solution of this utility model and constitute a part of the specification. They are used together with the embodiments of this utility model to explain the technical solution of this utility model, and do not constitute a limitation on the technical solution of this utility model.

[0016] Figure 1 This is an exploded view of the odor-blocking device provided by this utility model;

[0017] Figure 2 This is a cross-sectional view of a gasket provided in one embodiment of the present invention;

[0018] Figure 3This is a schematic diagram illustrating the working principle of an odor-blocking device provided in a specific example of this utility model;

[0019] Figure 4 This is a schematic diagram illustrating the working principle of an odor-blocking device provided in another specific example of this utility model;

[0020] Reference numerals: gasket 110; connecting pipe 120; annular boss 111; double-hole reducer 112; first outlet 210; second outlet 220; water tank 310; urinal 410. Detailed Implementation

[0021] The embodiments of this utility model are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0022] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationships based on the directional or positional relationships shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0023] In the description of this utility model, the use of "first" and "second" is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features or the order of the technical features.

[0024] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0025] The embodiments of this utility model will be further described below with reference to the accompanying drawings.

[0026] Reference Figure 1 , Figure 1 This is an exploded view of the odor-blocking device provided by this utility model. The device mainly consists of two parts: a gasket 110 and a connecting pipe 120. The gasket 110 integrates an annular boss 111 and a double-hole reducer 112, and these two parts are a single integrated structure. Figure 2As shown, the double-hole reducer 112 includes two outlet holes 210 and 220 of different diameters, wherein the diameter of the first outlet hole 210 is larger than that of the second outlet hole 220, and the diameter of the annular boss 111 is further larger than that of the first outlet hole 210, ensuring the stability of the structure. During installation, the gasket 110 can be placed inside the connecting pipe 120. Specifically, the double-hole reducer 112 extends into the connecting pipe 120, while the annular boss 111 engages with the water inlet side of the connecting pipe 120, achieving a secure connection. When the entire device is installed into the drain pipe of the drain appliance, the connecting pipe 120 can be tightly fitted inside the drain pipe. At this time, the annular boss 111 abuts tightly against the drain outlet of the drain appliance (e.g., a sink), forming an effective seal. Simultaneously, a portion of the double-hole reducer 112 is submerged in the liquid inside the drain pipe, thereby preventing odors from flowing back into the drain pipe and ensuring a clean and hygienic environment.

[0027] In some embodiments, the inlet of the connecting pipe 120 is provided with an annular groove, which is specifically designed to mate with the annular boss 111 on the gasket 110. When installing the gasket 110, the annular boss 111 can be precisely embedded into this annular groove, forming a stable and sealed connection. It is worth noting that the upper surface of the annular boss 111 is slightly higher than the upper surface of the annular groove after fitting. This design ensures that the annular boss 111 can fit tightly against the drain outlet of the drain assembly, while avoiding direct contact with other parts of the connecting pipe 120, thus ensuring both sealing and smooth and stable installation. Furthermore, during the installation of the gasket 110, it is deliberately ensured that the lower end of the gasket 110 does not directly contact the bottom of the inner wall of the connecting pipe 120. This design helps reduce resistance during water flow and avoids wear or corrosion caused by prolonged contact, thereby extending the service life of the entire device.

[0028] Preferably, the material used to prepare the gasket 110 can be silicone to give the gasket 110 better durability.

[0029] In some embodiments, the gasket 110 may also be equipped with a sealing coating specifically designed to enhance the sealing effect. This not only further improves the sealing performance of the gasket 110 but also ensures the stability and reliability of the device during long-term use. The application of the sealing coating effectively prevents the penetration of moisture and odors, providing users with a cleaner and more comfortable operating environment.

[0030] In addition, this utility model also provides a drain system, which consists of a drain assembly and the aforementioned odor-blocking device. This odor-blocking device can be installed inside the drain pipe of the drain assembly to achieve odor-blocking and leak-proof functions, creating a cleaner and odor-free living space for users.

[0031] In some embodiments, the odor-blocking device can be compatible with various drains, including urinals, sinks, bathtubs, and shower drains. This not only broadens the application range of the device but also meets the diverse needs of different users for drain systems.

[0032] See Figure 3 , Figure 3 This is a schematic diagram illustrating the working principle of the odor-blocking device provided in a specific example of this utility model. In this example, the dotted line indicates the drainage direction. The odor-blocking device is installed inside the drain pipe of the water tank 310, wherein the connecting pipe 120 of the odor-blocking device is tightly fitted into the drain pipe of the water tank 310. When the water tank 310 is drained, some clear water will remain in the drain pipe. At this time, the lower half of the gasket 110 (specifically, a part of the double-hole reducer 112) will be immersed in this water, and its lower edge is even lower than the highest water level inside the drain pipe. In this way, the water layer forms a natural barrier, effectively isolating the inside of the drain pipe from the water tank 310, thereby preventing the backflow of odors and achieving the effect of odor blocking and prevention.

[0033] See Figure 4 , Figure 4 This is a schematic diagram illustrating the working principle of the odor-blocking device provided in another specific example of this utility model. In this example, the dotted line indicates the drainage direction. The odor-blocking device is installed inside the drain siphon pipe of the urinal 410. The connecting pipe 120 of the odor-blocking device is tightly fitted into the drain siphon pipe. When the urinal 410 is flushed, some clean water remains inside the connecting pipe 120. At this time, the lower half of the liner 110 is immersed in this water, with its lower edge also lower than the highest water level inside the connecting pipe 120. This design again utilizes the water layer as a barrier to effectively isolate the inside of the drain pipe from the urinal 410, ensuring that odors cannot flow back to the upper part of the urinal 410, thereby achieving odor blocking and prevention effects.

[0034] The above is a detailed description of the preferred embodiments of the present utility model. However, the present utility model is not limited to the above embodiments. Those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present utility model. All such equivalent modifications or substitutions are included within the scope defined by the claims of the present utility model.

Claims

1. A device for preventing odor from a drain, characterized by, The device comprises a gasket and a connecting pipe, the gasket comprises a ring-shaped protrusion and a double-hole reducer, the ring-shaped protrusion and the double-hole reducer are integrated, the double-hole reducer comprises a first outlet hole and a second outlet hole, the diameter of the first outlet hole is larger than that of the second outlet hole, the gasket is installed in the connecting pipe, the double-hole reducer is arranged inside the connecting pipe, and the ring-shaped protrusion is clamped on one side of a water inlet hole of the connecting pipe; when the device is installed in a drain pipe of a drain, the connecting pipe is embedded in the drain pipe, the ring-shaped protrusion abuts against a drain opening of the drain, and a part of the double-hole reducer is immersed in liquid inside the drain pipe, so that odor inside the drain pipe is prevented from returning.

2. The odor isolating device of claim 1, wherein, The diameter of the ring-shaped protrusion is larger than that of the first outlet hole.

3. The odor isolating device of claim 1, wherein, When the gasket is installed in the connecting pipe, the lower end of the gasket does not abut against the bottom of the inner wall of the connecting pipe.

4. The odor isolating device of claim 1, wherein An annular groove matched with the ring-shaped protrusion is arranged on the water inlet hole of the connecting pipe, the ring-shaped protrusion is embedded in the annular groove when the gasket is installed in the connecting pipe, and the upper end surface of the ring-shaped protrusion is higher than that of the annular groove.

5. The odor isolating device of claim 1, wherein, The gasket is made of silica gel.

6. The odor isolating device of claim 1, wherein The gasket further comprises a sealing coating for enhancing the sealing effect.

7. A drain system, characterized in that The device comprises a drain and a deodorization device as claimed in any one of claims 1 to 6, the deodorization device is installed inside a drain pipe of the drain, and is used to realize the functions of sealing and deodorization.

8. The drain system of claim 7, wherein, The drain to which the deodorization device is adapted comprises at least one of a urinal, a sink, a bathtub and a shower room drain.

Images