Development of anti-soiling technology using the lotus effect in portable toilets

Abstract

To provide an inner lining that is resistant to stains even when flushing is not possible in a temporary toilet. [Solution] The lining is a funnel-shaped inner cup that conforms to the inside surface of the toilet bowl, and the inner surface is shaped to create a lotus effect. Even when flushing is not possible, it is difficult for dirt to adhere, allowing for clean use. Furthermore, even if the lotus effect weakens over time, it is possible to continue using the toilet by simply replacing the inner cup.

Description

[Technical Field]

[0001] This device is a funnel-shaped inner lining installed along the inner surface of a Western-style toilet bowl, By applying a coating with a lotus effect, it is possible to prevent dirt from adhering. [Background technology]

[0002] During disasters, temporary toilets are widely installed and play an important role in hygiene management in emergencies. However, as toilets are used more frequently, dirt and bad odors inside the toilets become serious problems. These problems not only increase the risk of infection, but also increase discomfort for users and cause psychological stress. Traditional cleaning methods are labor-intensive and require frequent maintenance, creating a demand for sustainable anti-fouling technologies. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Patent number: Patent No. 4348401 Super water-repellent packaging material for yogurt lids (TOYAL LOTUS) Summary of the Invention [Problem to be solved by the invention]

[0004] When an earthquake or other disaster occurs, temporary toilets are set up in the affected area, but in these cases, it is not possible to flush the toilet after use, and feces remain on the toilet bowl. Furthermore, since temporary toilets are shared by an unspecified number of people, there is a great psychological burden when using them. The purpose of this device is to reduce the mental burden on users by preventing dirt from adhering to the inside of the toilet bowl through the installation of an inner cup with a lotus effect.

[0005] This device is a funnel-shaped device that fits along the inside surface of a Western-style toilet bowl installed in a temporary toilet.The material is flexible, and the inside surface is treated to make it less susceptible to dirt using the lotus effect. Materials with the lotus effect are generally coated with silica or fluorine compounds. These materials have high water and oil repellency, so they are required to be durable even in harsh environments such as portable toilets. Other coating techniques include spraying, dipping, and spin coating, which can be used to apply a uniform, durable coating to the inner surface of portable toilets. In particular, controlling the surface structure at the nanoscale is expected to prevent dirt from adhering and to have a long-lasting effect.

[0006] The introduction of this technology is expected to dramatically improve the hygienic environment in temporary toilets. In particular, the lotus effect, which prevents dirt from adhering, will reduce cleaning work and maintenance costs. In addition, maintaining a clean environment will improve the comfort of users and is expected to contribute to hygiene management in the event of a disaster. On the other hand, by using a removable inner cup that is separate from the toilet bowl, it can be installed without making any changes to existing temporary toilets. [Brief explanation of the drawings]

[0007] [Figure 1] This is a diagram showing an embodiment of the present invention (for a Western-style toilet). The colored parts are the components proposed by the present invention.

[0008] [Figure 2] This is a 3D model created based on the image of this project (for a Western-style toilet).

[0009] [Figure 3] This is a 3D model created based on the image of this project (in the case of a Western-style toilet, from above).

[0010] [Figure 4] This is a 3D model created based on the image of this project (in the case of a Western-style toilet, from the side).

[0011] [Figure 5] This is a diagram showing an embodiment of the present invention (for a Japanese-style toilet). The colored parts are the components proposed by this invention.

[0012] [Figure 6] This is a 3D model created based on the image of this project (in the case of a Japanese-style toilet, from the side).

[0013] [Figure 7] This is a 3D model created based on the image of this project (in the case of a Japanese-style toilet, from the front).

[0014] [Figure 8] This is a 3D model created based on the image of this project (in the case of a Japanese-style toilet, from the rear).

Claims

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