Dimensions of Interior Walls in Mobile Toilets

The dimensions of interior walls in mobile toilets vary depending on the type, as detailed below:

1. Single-unit Mobile Toilets
Single-unit mobile toilets are typically designed for single-person use, with common external frame dimensions of 1.2m × 1.5m × 2.2m (length × width × height). The interior cabin space must meet basic activity requirements, although specific interior wall dimensions are not explicitly mentioned. According to ergonomics, single-person space must ensure comfort for actions such as turning around and using the toilet. Therefore, the net width of interior walls is usually not less than 0.8 meters, and the net depth (distance from the door to the opposite wall) is not less than 1.0 meter, with the height being the same as the external frame, approximately 2.2 meters.

2. Standard Independent Single-pit Mobile Public Toilets
For these public toilets, the internal net width of the toilet pit should generally not be less than 0.85 meters, ideally reaching 0.9 to 1.0 meters to ensure sufficient activity space for users. The net depth (distance from the door to the opposite wall) should be between 1.2 and 1.5 meters, accommodating both the toilet or squat pan and providing ample legroom. The height of interior walls is usually consistent with the external frame, approximately 2.2 to 2.5 meters, depending on design requirements.

3. Accessible Toilet Pits
Accessible toilet pits must accommodate wheelchair rotation, so the internal net width typically needs to be over 1.5 meters, and the net depth over 1.8 meters. The height of interior walls is the same as other types, approximately 2.2 to 2.5 meters. Additionally, accessible toilet pits must be equipped with assistive facilities such as handrails and emergency call devices, and the interior wall design must consider the installation space for these facilities.

Summary: The dimensions of interior walls in mobile toilets must be determined based on the specific type and usage requirements. Single-unit mobile toilets have smaller interior wall dimensions but must meet basic activity needs; standard independent single-pit public toilets have moderate interior wall dimensions, balancing comfort and space utilization; accessible toilet pits have larger interior wall dimensions to accommodate wheelchair rotation and assistive facility installation. Design must comprehensively consider ergonomics, usage scenarios, and regulatory requirements to ensure the functionality and comfort of mobile toilets.