Extensible public toilet
By designing scalable public toilets, the problem of limited space in mobile toilets has been solved, providing a private and comfortable environment for users, improving the user experience for special groups and enhancing the city's image.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-03
- Publication Date
- 2026-04-03
AI Technical Summary
Existing portable public toilets are cramped and cannot meet the needs of mothers with children or people using wheelchairs. In addition, their rough appearance affects the image of urban public activities.
Design an expandable public toilet that includes foldable and unfoldable compartments forming a fan-shaped structure to provide private spaces, and is equipped with components such as connecting shafts, door locks, casters, and ventilation windows to ensure safety and comfort.
When folded, it occupies the same space as existing products, but when unfolded, it provides a large space to meet the needs of special groups, improve user comfort and overall image.
Smart Images
Figure CN224078772U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of public facilities, and specifically to an expandable public toilet. Background Technology
[0002] Public toilets are public facilities available for use by urban residents and transient populations. Portable toilets, as a type of public toilet, have advantages such as small footprint, reusability, and ease of relocation, and are widely used to address the toilet needs of large-scale public events with high traffic and short operating hours. However, to ensure convenient transportation and small footprint, current portable public toilets often use walls to enclose a cubic space. Within this cubic space, squat toilets or sit-down toilets are typically only large enough for one person, and the space is cramped and oppressive. Furthermore, these small portable toilets are difficult to meet the needs of special users such as mothers with infants or wheelchair users, and also make it difficult to easily handle changing or dressing needs. In addition, most existing portable toilets prioritize functionality over aesthetics, which to some extent affects the image of cities hosting public events. Therefore, there is an urgent need in the market for a public toilet with an expandable, private space to meet the needs of larger spaces, and a simple and aesthetically pleasing design. Summary of the Invention
[0003] To address the existing problems, the purpose of this utility model is to provide an expandable public toilet with expandable privacy space, which can be used by mothers with children or people carrying large items such as suitcases and wheelchairs, and can be freely combined and assembled. To this end, this utility model adopts the following technical solution.
[0004] An expandable public toilet, characterized by comprising a toilet body and a compartment;
[0005] The compartment comprises several sub-compartments with similar shapes and decreasing sizes, and the compartment has two states: folded and unfolded.
[0006] In its folded state, several compartments can be stacked and stored inside the main toilet unit;
[0007] In its unfolded state, several compartments can be unfolded in sequence to form a fan-shaped structure with the main toilet body. At this time, the width of each compartment is just enough to allow the main toilet body and the compartments, as well as adjacent compartments, to shield each other, ensuring the privacy and safety of the toilet.
[0008] Furthermore, an expandable public toilet also includes a connecting shaft; the connecting shaft is fixedly installed at one end of the toilet body; one end of several compartments is respectively provided with mounting holes corresponding to the connecting shaft, all of which are fitted onto the connecting shaft through the mounting holes, and the angle of rotation around the connecting shaft increases sequentially.
[0009] Furthermore, the last compartment of the public toilet is equipped with a handle and a toilet door hinged to it; a door lock and a sealing strip are installed at the joint between the toilet door and the compartment to ensure the toilet's airtightness and privacy.
[0010] Furthermore, the aforementioned door lock consists of two parts: a latch is installed on the opposite side of the toilet door hinge, and a latch or lock groove that matches the latch is installed and fixed on the inner wall of the last compartment. The two parts work together to lock the toilet door.
[0011] Furthermore, an expandable public toilet also includes a base; the base is fixedly installed at the bottom of the toilet body, with a squat toilet installed on its upper part and a collection box fixedly installed at its bottom for collecting excrement; a protective plate is provided on one side of the base, and when the aforementioned toilet body is folded, the protective plate retracts into a preset storage space inside the base, and when unfolded, the protective plate pops out to fill the gap created after the toilet body is unfolded, preventing users from stepping into empty spaces; a footboard is installed on the outer side of the base for users to get on and off the base.
[0012] Furthermore, casters are installed at the bottom of each of the aforementioned compartments and toilet doors to assist in their movement.
[0013] Furthermore, an expandable public toilet also includes a ventilation window and a buffer retainer; the ventilation window is installed and matched on the through hole on the upper part of the toilet body to promote air circulation inside and outside the toilet, and the grille installed on it protects user privacy; the buffer retainer is installed and fixed on the back of the toilet body, and the buffer retainers on different toilet bodies can be installed and connected to each other, so as to restrict the position of two public toilets and play a certain buffering role during transportation or use.
[0014] Furthermore, the aforementioned toilet also includes a storage board composed of a fixed plate and a movable plate; the fixed plate is installed and fixed on the side wall inside the toilet body; the movable plate is hinged to the fixed plate, and is basically parallel to the side wall when it is folded up, and is placed horizontally when fully unfolded; the storage board can provide space for users' small bags, mobile phones and other items.
[0015] Furthermore, an expandable public toilet also includes a child seating area; the child seating area includes a pocket, a first strap, and a second strap; the lower two sides of the pocket have through holes and are fixed to the side wall inside any compartment; one end of the first and second straps is fixed to the compartment, and the other end is detachably connected to each other; in use, the user can temporarily place an infant in the child seating area.
[0016] Furthermore, the bag, the first drawstring, and the second drawstring are all made of soft fabric, which hangs naturally when not in use and can be stored in the gap between the two compartments.
[0017] Furthermore, the toilet's main body is also equipped with essential functional components such as a water tank, handrails, and water pipes, as well as additional components such as a vanity mirror and storage boxes to meet the needs of using the toilet, grooming, and storing items.
[0018] The beneficial effects of this utility model are as follows: 1. The toilet space of this utility model has an expandable feature. In the folded state, the size of the toilet is no different from that of existing products, so there is no additional burden of storage, handling and transportation, and the existing logistics and transportation system can be fully utilized; while in the unfolded state, this utility model adds a fan-shaped activity space compared to existing products, which meets the needs of certain groups, such as mothers with children, users carrying wheelchairs or large items such as suitcases, for privacy, spaciousness and functionality of the toilet, and greatly improves their ability to move independently and their comfort in the toilet.
[0019] 2. This utility model can realize the free combination and assembly of multiple units. With its spiral (fan-shaped) shape and rich color scheme, it can effectively improve the overall image of the toilet and solve the problems of monotonous shape and rough and simple style that exist in existing mobile toilets, bringing users a high-quality user experience. Attached Figure Description
[0020] Figure 1 This is a three-dimensional structural diagram of an expandable public toilet in a folded state, as proposed in this utility model.
[0021] Figure 2 This is a three-dimensional structural diagram of an expandable public toilet as proposed in this utility model.
[0022] Figure 3 This is a top view of an expandable public toilet in its folded state, as proposed in this utility model.
[0023] Figure 4 This is a top view of an expandable public toilet as proposed in this utility model, in its unfolded state.
[0024] Figure 5 The left view shows the unfolded state of an expandable public toilet according to this utility model.
[0025] Figure 6 This is a rear view of an expandable public toilet proposed in this utility model.
[0026] Figure 7 This is a front view of an expandable public toilet in its folded state, as proposed in this utility model.
[0027] Figure 8 This is a three-dimensional structural diagram of an expandable public toilet proposed in this utility model, in its unfolded state (with the toilet door removed).
[0028] Figure 9 This is a structural diagram of the internal structure of the first compartment of an expandable public toilet proposed in this utility model.
[0029] In the diagram: 1 Toilet, 11 Toilet Main Body, 12 First Compartment, 13 Second Compartment, 14 Third Compartment, 2 Connecting Shaft, 3 Toilet Door, 31 Toilet Door Body, 32 Handle, 33 Door Lock, 34 Sealing Strip, 4 Casters, 5 Base, 51 Collection Box, 52 Foot Pedal, 53 Protective Plate, 54 Squat Toilet, 55 Drainage Pipe, 61 Water Tank, 62 Handrail, 63 Water Pipe, 64 Dressing Mirror, 65 Storage Box, 66 Storage Board, 661 Fixed Board, 662 Movable Board, 67 Child Seating Area, 671 First Strap, 672 Second Strap, 673 Pocket, 68 Ventilation Window, 7 Buffer and Retention Components. Detailed Implementation
[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all of them. In the description of the present utility model, it should be understood that the terms "width", "one end", "one side", "upper", "lower", "parallel", "opposite side", "horizontal", "back side", "bottom", "inner", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only simplified descriptive terms for the convenience of describing the present utility model, and do not indicate or imply that the device or element referred to must have a specific orientation, structure and operation, and therefore should not be construed as a limitation of the present utility model.
[0031] Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise expressly defined, "a plurality of" means two or more.
[0032] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "fixation," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or they can refer to the internal connection of two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.
[0033] Example, refer to Figure 1-9 An expandable public toilet 1 is characterized by comprising a toilet body 11 and compartments; the compartments include several sub-compartments with similar shapes and decreasing sizes. In this embodiment, the compartments are divided into a first sub-compartment 12, a second sub-compartment 13, and a third sub-compartment 14. The compartments have two states: folded and unfolded. In the folded state, the first, second, and third sub-compartments can be stacked and stored inside the toilet body 11. In the unfolded state, the first, second, and third sub-compartments can be unfolded sequentially to form a fan-shaped structure with the toilet body 11. At this time, the width of each sub-compartment is just enough to allow the toilet body 11 and the compartments, as well as adjacent sub-compartments, to mutually shield each other, ensuring the privacy and safety of the toilet.
[0034] The public toilet 1 also includes a connecting shaft 2; the connecting shaft 2 is fixedly installed at one end of the toilet body 11; the first, second and third compartments are respectively provided with mounting holes corresponding to the connecting shaft 2 at one end, and the first compartment 12, the second compartment 13 and the third compartment 14 are sequentially fitted onto the connecting shaft 2 through the mounting holes, and the angle of rotation around the connecting shaft 2 increases sequentially.
[0035] The aforementioned third compartment 14 is equipped with a handle 32 and a toilet door 31 is hinged to it; a door lock 33 and a sealing strip 34 are provided at the joint between the toilet door 31 and the third compartment 14; the third compartment 14 is provided with a passable net width greater than or equal to 800mm to facilitate the use of wheelchairs by people with disabilities and other special needs.
[0036] The aforementioned door lock 33 consists of two parts. The latch part is installed on the opposite side of the hinge of the toilet door 31, and the latch or lock groove that matches the latch is installed and fixed on the inner wall of the third compartment 14. The two parts work together to lock the toilet door 31.
[0037] The base 5 is directly mounted on the bottom of the inner side of the toilet body 11. A squat toilet 54 or a toilet seat is installed on the upper part of the base 5, and a collection box 51 is installed and fixed at the bottom of the base 5 for collecting excrement. The collection box 51 is partially buried under the toilet body 11 to expand the fecal storage capacity. Alternatively, the excrement in the collection box 51 can be directly discharged to the sewer or the main collection container through the drainage pipe 55.
[0038] A protective plate 53 is provided on one side of the base 5. When the first, second, and third compartments are folded, the protective plate 53 retracts into the preset storage space inside the base 5. The size of the storage space is adapted to the protective plate 53, so that it can be completely hidden. When the compartment is unfolded, the protective plate 53 is quickly popped out by the action of springs and other driving mechanisms to fill the gap created after the compartment is unfolded and prevent the user from stepping into the gap. A foot pedal 52 is installed on the outer side of the base 5 for the user to get on and off the base 5.
[0039] In addition, casters 4 are installed at the bottom of the aforementioned first compartment 12, second compartment 13, third compartment 14 and toilet door 31. The casters 4 can assist the movement of each compartment and toilet door 31. In this embodiment, the casters 4 are swivel casters.
[0040] The toilet 1 also includes a ventilation window 68 and a buffer retainer 7. The ventilation window 68 is installed and matched on the through hole on the upper part of the toilet body 11 to promote air circulation inside and outside the toilet. The grille or louvers installed on it can protect the user's privacy. The buffer retainer 7 is installed and fixed on the back of the toilet body 11 to restrict the position of two toilets 1 during transportation or use, and can also play a certain role in cushioning. In actual use or transportation, the site layout team can arrange the backs of multiple public toilets 1 together and use fastening bolts to fix the buffer retainer 7, which facilitates transportation or realizes unique combination methods.
[0041] In addition, in this embodiment, the storage board 66 mainly includes two parts: a fixed plate 661 and a movable plate 662. The fixed plate 661 is fixed to the side wall inside the toilet body 11 with screws; the movable plate 662 is hinged to the fixed plate, and is basically parallel to the side wall when it is folded up, and is placed horizontally when it is fully unfolded; the storage board 66 can provide space for users' small bags, mobile phones and other items.
[0042] Toilet 1 also includes a child seat area 67, which includes a first strap 671, a second strap 672, and a pocket 673. The pocket 673 has through holes on both sides of its lower part and is installed on the side wall inside the first compartment 12 by screws or rivets. One end of the first strap 671 and the second strap 672 are fixed to the first compartment 12 by screws or rivets, and the other ends of the two are connected to each other by Velcro, which can be quickly and easily disassembled and assembled.
[0043] The bag 673, the first strap 671, and the second strap 672 are all made of soft fabric. When not in use, they hang down naturally and can be stored in the gap between the first compartment 12 and the second compartment 13. When in use, the user can temporarily place the baby in the child seat area 67.
[0044] In addition, the toilet body 11 is also equipped with a water tank 61, a handrail 62, a water pipe 63, a vanity mirror 64, and a storage box 65. The water tank 61 stores clean water or is connected to a tap water pipe, and the water pipe 63 supplies water to the squat toilet 54 or the toilet seat. The handrail 62 can help the elderly and other special groups to get up. The vanity mirror 64 and the storage box 65 are respectively for users to tidy their appearance and put items such as hand sanitizer.
[0045] Working principle: In this embodiment, the site layout team transports the folded toilet 1 to the site and places it in a rectangular or circular matrix, connecting it to water and electricity (as well as the main collection box, sewer, etc.); when the first user uses it, they hold the handle 32 to unfold the compartment, and the first compartment 12, the second compartment 13, and the third compartment 14 unfold in sequence, with the compartments mutually shielding each other to form a nearly enclosed private space; at this time, the user pushes open the toilet door 31, enters, and closes the door lock 33 to use the toilet; mothers with children can place their children in the children's seat area 67, and disabled people can place their wheelchairs in the additional space formed by the first compartment 12, the second compartment 13, and the third compartment 14.
[0046] It should be noted that all features described in the specification, appended claims and drawings, whether individually or in any combination thereof, are important features of this utility model.
[0047] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. An expandable public toilet, characterized by, Includes the main toilet body and the toilet compartment; The compartment comprises several sub-compartments of similar shape and decreasing size sequentially, and the compartment has both folded and unfolded states: In its folded state, the various compartments can be stacked and stored inside the main toilet unit; In the unfolded state, several compartments can be unfolded in sequence to form a fan-shaped structure with the main toilet body. At this time, the width of each compartment is just enough to allow the main toilet body and the compartments, as well as adjacent compartments, to block each other.
2. The scalable public toilet of claim 1, wherein, It also includes a connecting shaft; the connecting shaft is fixedly installed at one end of the toilet body; one end of several compartments is respectively provided with mounting holes corresponding to the connecting shaft, and they are all sleeved on the connecting shaft through the mounting holes, and the angle of rotation around the connecting shaft increases sequentially.
3. The scalable public toilet of claim 2, wherein, A handle is installed on the last compartment, and a toilet door is hinged to it; a lock and a sealing strip are installed at the joint between the toilet door and the compartment.
4. The scalable public toilet according to claim 3, wherein, It also includes a base; the base is fixed to the bottom of the toilet body, a squat toilet is installed on the top of the base, and a collection box is fixed to the bottom of the base; a protective plate is provided on one side of the base. When the aforementioned compartment is folded, the protective plate retracts into the preset storage space inside the base. When unfolded, the protective plate pops out to fill the gap created when the compartment is unfolded; a foot pedal is installed on the outer side of the base for users to get on and off the base.
5. The scalable public toilet according to claim 4, wherein, Each of the aforementioned compartments and toilet doors is equipped with casters at the bottom, which assist in the movement of each compartment and toilet door.
6. The scalable public toilet of claim 1, wherein, It also includes a ventilation window and a buffer retainer; the ventilation window is installed and matched on the through hole on the upper part of the aforementioned toilet body; the buffer retainer is installed and fixed on the back of the toilet body, and the buffer retainers on different toilet bodies can be installed and connected to each other.
7. The scalable public toilet of claim 1, wherein, It also includes a shelf consisting of a fixed plate and a movable plate; the fixed plate is installed and fixed on the side wall inside the toilet body; the movable plate is hinged to the fixed plate, and is parallel to the side wall when it is folded up, and is placed horizontally when it is fully unfolded.
8. The scalable public toilet of claim 1, wherein, It also includes a child seating area; the child seating area includes a pocket, a first strap and a second strap; the lower two sides of the pocket are respectively provided with through holes and are installed and fixed on the side wall inside any compartment; one end of the first and second straps are respectively fixed on the compartment, and the other end is detachably connected to each other.
9. The scalable public toilet of claim 1, wherein, The toilet's main structure also includes a water tank, handrails, water pipes, a vanity mirror, and storage boxes.