Portable toilet

Abstract

We provide a portable toilet that is highly storable, easy to assemble, and offers high stability during use. [Solution] The portable toilet 1 comprises a base portion 2 in which opposing first base seat portion 21 and second base seat portion 22 are connected at both ends; a toilet seat portion 3 having an opening 31 in the center and connected to the upper parts of the first base seat portion 21 and the second base seat portion 22; and a support portion 4 positioned between the first base seat portion 21 and the second base seat portion 22, supporting the first base seat portion 21 and the second base seat portion 22 from the inside.

Description

Technical Field

[0001] The present disclosure relates to a simple toilet used during disasters and the like.

Background Art

[0002] During disasters such as earthquakes, toilets are a serious problem. In preparation for disasters such as earthquakes, evacuation shelters, support stations for those having difficulty returning home, etc. are provided in various places. However, the number of existing toilets in evacuation shelters and the like is absolutely insufficient compared to the number of disaster victims predicted in a large-scale disaster, and it may take several days to several weeks until temporary toilets are installed in evacuation shelters and the like. Moreover, even in homes and public places, due to reasons such as power outages, water supply cuts, and damage to water supply and drainage pipes, flush toilets cannot be used. Therefore, it is desired to store and carry simple toilets so that excretion can be performed even in places without toilets.

[0003] As such a simple toilet, for example, there is one described in Patent Document 1. The simple toilet described in Patent Document 1 expands a frame body folded in a valley fold, holds and reinforces the four corners at the bottom of the frame body with reinforcing members, covers the frame body with a bag, and fixes the bag to the frame body with a fixing member constituting a toilet seat.

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0005] The simple toilet described in Patent Document 1 has problems in that the reinforcing members and fixing members are bulky and the number of parts is large, so the storage property and assembly property are low. Also, since the frame body is held in an expanded state only by restraining the four corners at the bottom of the frame body, the portion folded in a valley fold is likely to close, and there is a problem that the stability during use is not high.

[0006] The present invention aims to provide a portable toilet that is highly storable, easy to assemble, and offers high stability during use. [Means for solving the problem]

[0007] [1] The portable toilet according to the present invention comprises a base portion in which opposing first base seat portion and second base seat portion are connected at both ends thereof; a toilet seat portion having an opening in the center and connected to the upper parts of the first base seat portion and the second base seat portion respectively; and a support portion disposed between the first base seat portion and the second base seat portion and supporting the first base seat portion and the second base seat portion from the inside.

[0008] In this portable toilet, the first and second base sections are connected at their ends, and the toilet seat section is connected to the top of each of the first and second base sections. Therefore, by overlapping the first and second base sections, the toilet seat section can be folded to make it thinner. Furthermore, by spreading out the first and second base sections, the toilet seat section can be spread out and positioned on top of each of the first and second base sections. This improves storage and assembly. In addition, the support section is positioned between the first and second base sections, supporting them from the inside, thus increasing stability during use.

[0009] [2] In the portable toilet described in [1], the support part may be formed in a sheet shape and connected to the lower part of the first base sheet part and the second base sheet part, respectively. In this portable toilet, the sheet-shaped support part is connected to the lower part of the first base sheet part and the second base sheet part, respectively. Therefore, by overlapping the first base sheet part and the second base sheet part, the support part can be folded to make it thinner. Then, by spreading out the first base sheet part and the second base sheet part, the support part can be spread out and the support part can support the first base sheet part and the second base sheet part from the inside. This further improves storage and assembly.

[0010] [3] In the portable toilet described in [1] or [2], if the boundary line between the first base seat portion and the second base seat portion of the base portion is the first connecting line and the second connecting line, then each of the first base seat portion and the second base seat portion has a first end seat portion adjacent to the first connecting line, a second end seat portion adjacent to the second connecting line, and a central seat portion located between the first end seat portion and the second end seat portion, and the toilet seat portion and support portion may be connected to the central seat portions of the first base seat portion and the second base seat portion, respectively. In this portable toilet, since the toilet seat portion and support portion are connected to the central seat portions of the first base seat portion and the second base seat portion, respectively, when the first base seat portion and the second base seat portion are extended, the toilet seat portion and support portion can be properly extended, and the closing of the first base seat portion and the second base seat portion can be effectively prevented.

[0011] In the portable toilet described in [4] [3], the first base sheet and the second base sheet may each have a first crease formed at the boundary between the first end sheet and the central sheet, and a second crease formed at the boundary between the second end sheet and the central sheet. In this portable toilet, the first base sheet and the second base sheet each have a first crease formed at the boundary between the first end sheet and the central sheet, and a second crease formed at the boundary between the second end sheet and the central sheet. Therefore, when the first base sheet and the second base sheet are spread out, the base becomes a roughly hexagonal cylindrical shape due to the first crease and the second crease of the first base sheet and the second base sheet bending, formed by the first end sheet, the second end sheet, and the central sheet of the first base sheet and the second base sheet. This increases the rigidity in the vertical direction, further enhancing stability during use.

[0012] In the portable toilet described in [5] [3] or [4], the support portion may be connected to the inner surface of the central seat portion of the first and second base seat portions at a position spaced apart from the lower ends of the first and second base seat portions, respectively. In this portable toilet, the support portion is connected to the inner surface of the first and second base seat portions at a position spaced apart from the lower ends of the first and second base seat portions, respectively. Therefore, when the first and second base seat portions are spread apart and the central portion of the support portion in the opposing direction of the first base seat portion 21 and the second base seat portion 22 is pushed downward, the support portion comes into contact with the installation surface of the portable toilet, thereby restricting the movement of the support portion. As a result, the force that tries to close the first and second base seat portions caused by a person sitting on the toilet seat portion can be received by the installation surface via the support portion, further increasing stability during use.

[0013] In the portable toilet described in [6] [4] or [5], the toilet seat portion is not connected to the first end portion and the second end portion of the first base seat portion and the second base seat portion, respectively, and may be formed to extend beyond the first end portion and the second end portion of the first base seat portion and the second base seat portion when the first base seat portion and the second base seat portion are unfolded. In this portable toilet, the toilet seat portion is not connected to the first end portion and the second end portion of the first base seat portion and the second base seat portion, respectively, and is formed to extend beyond the first end portion and the second end portion of the first base seat portion and the second base seat portion when unfolded. As a result, when a person sits on the toilet seat portion, the toilet seat portion is supported from below by the first end portion and the second end portion of the first base seat portion and the second base seat portion, respectively. This prevents the toilet seat portion from falling inward into the first base seat portion and the second base seat portion.

[0014] In the portable toilet described in any of [7] [4] to [6], a third crease is formed at the boundary between the toilet seat portion and the first base seat portion and the second base seat portion, and the third crease may be curved so as to be convex downwards. In this portable toilet, the third crease formed at the boundary between the toilet seat portion and the first base seat portion and the second base seat portion is curved so as to be convex downwards. Therefore, by widening the first base seat portion and the second base seat portion, the toilet seat portion can be curved so as to be convex downwards. Such curvature of the toilet seat portion conforms to the shape of the buttocks of the person sitting on the toilet seat portion, thereby improving sitting comfort and stability. [Effects of the Invention]

[0015] According to the present invention, storage and assembly are improved, as is stability during use. [Brief explanation of the drawing]

[0016] [Figure 1]It is a perspective view showing a simple toilet according to this embodiment. [Figure 2] It is a front view showing the folded state of the simple toilet according to this embodiment. [Figure 3] It is a cross-sectional view taken along line III-III shown in FIG. 2. [Figure 4] It is a cross-sectional view taken along line IV-IV shown in FIG. 2. [Figure 5] It is a plan view showing the unfolded state of the simple toilet according to this embodiment. [Figure 6] It is a front view showing the unfolded state of the simple toilet according to this embodiment. [Figure 7] It is a cross-sectional view taken along line VII-VII shown in FIG. 5. [Figure 8] It is a cross-sectional view taken along line VIII-VIII shown in FIG. 5. [Figure 9] It is a plan view showing the folded state of the simple toilet of the modified example. [Figure 10] It is a cross-sectional view taken along line X-X shown in FIG. 9. [Figure 11] It is a front view showing the unfolded state of the simple toilet shown in FIG. 9. [Figure 12] It is a plan view of the simple toilet shown in FIG. 11. [Figure 13] It is a cross-sectional view taken along line XIII-XIII shown in FIG. 11. [Figure 14] It is a front view showing the folded state of the simple toilet of the modified example. [Figure 15] It is a front view showing the unfolded state of the simple toilet shown in FIG. 14. [Figure 16] It is a front view showing the folded state of the simple toilet of the modified example. [Figure 17] It is a front view showing the unfolded state of the simple toilet shown in FIG. 16.

Mode for Carrying Out the Invention

[0017] Hereinafter, an embodiment of the simple toilet according to the present invention will be described in detail with reference to the drawings. In the drawings, the same or corresponding parts are denoted by the same reference numerals, and redundant explanations are omitted.

[0018] Figure 1 is a perspective view showing a portable toilet according to this embodiment. As shown in Figure 1, the portable toilet 1 according to this embodiment is a portable toilet used in the event of a disaster. The portable toilet 1 is made of a sheet-like material and is stored folded in a flat state. The portable toilet 1 is then unfolded and installed on the installation surface A (see Figure 8) in the event of a disaster and used as a toilet. The folded state of the portable toilet 1 is called the folded state, and the unfolded state of the portable toilet 1 is called the unfolded state. In the following description, the up and down, front and back, and left and right directions refer to the up and down, front and back, and left and right directions of the portable toilet 1 when it is unfolded and installed on the installation surface A. The sheet-like material is a sheet-like material that can be folded. The sheet-like material is not particularly limited, but examples include corrugated cardboard, thick paper, and foamed plastic.

[0019] Figure 2 is a front view showing the folded state of the portable toilet according to this embodiment. Figure 3 is a cross-sectional view taken along line III-III in Figure 2. Figure 4 is a cross-sectional view taken along line IV-IV in Figure 2. Figure 5 is a plan view showing the unfolded state of the portable toilet according to this embodiment. Figure 6 is a front view showing the unfolded state of the portable toilet according to this embodiment. Figure 7 is a cross-sectional view taken along line VII-VII in Figure 5. Figure 8 is a cross-sectional view taken along line VIII-VIII in Figure 5. As shown in Figures 1 to 8, the portable toilet 1 comprises a base portion 2, a toilet seat portion 3, and a support portion 4.

[0020] [Base] The base portion 2 functions as a base that supports the toilet seat portion 3 relative to the installation surface A when the portable toilet 1 is installed on the installation surface A. The base portion 2 is constructed by connecting the opposing first base seat portion 21 and the second base seat portion 22 at both ends. In other words, the base portion 2 has a first base seat portion 21 and a second base seat portion 22. Here, the direction in which the first base seat portion 21 and the second base seat portion 22 face each other is called the opposing direction F. The opposing direction F is also the left-right direction of the portable toilet 1. Note that the folded state described above is a state in which the first base seat portion 21 and the second base seat portion 22 are overlapped, and the unfolded state described above is a state in which the first base seat portion 21 and the second base seat portion 22 are spread out.

[0021] The first base seat portion 21 and the second base seat portion 22 are formed to be the same shape. Therefore, unless otherwise specified, the first base seat portion 21 and the second base seat portion 22 will be described together as the base seat portion 20.

[0022] The base sheet portion 20 is formed in a roughly rectangular sheet shape. Here, the portion located at the lower end of the base sheet portion 20 and forming the lower edge of the base sheet portion 20 is called the lower edge portion 201, the portion located at the upper end of the base sheet portion 20 and forming the upper edge of the base sheet portion 20 is called the upper edge portion 202, the portion located at one side end (front end) of the base sheet portion 20 and forming one side edge of the base sheet portion 20 is called the first side edge portion 203, and the portion located at the other side end (rear end) of the base sheet portion 20 and forming the other side edge of the base sheet portion 20 is called the second side edge portion 204.

[0023] Furthermore, the first base seat portion 21 and the second base seat portion 22 are connected such that they face each other, with the first side portion 203 of the first base seat portion 21 connected to the first side portion 203 of the second base seat portion 22, and the second side portion 204 of the first base seat portion 21 connected to the second side portion 204 of the second base seat portion 22. Here, the boundary line between the first side portion 203 of the first base seat portion 21 and the first side portion 203 of the second base seat portion 22 is called the first connection line L1, and the boundary line between the second side portion 204 of the first base seat portion 21 and the second side portion 204 of the second base seat portion 22 is called the second connection line L2. The first base seat portion 21 and the second base seat portion 22 are connected at the first connection line L1 and the second connection line L2 in a bent state. Therefore, the first connecting line L1 and the second connecting line L2 are also fold lines formed by bending the first base sheet portion 21 and the second base sheet portion 22.

[0024] The base sheet portion 20 includes a first end sheet portion 205 adjacent to the first connecting line L1, a second end sheet portion 206 adjacent to the second connecting line L2, and a central sheet portion 207 located between the first end sheet portion 205 and the second end sheet portion 206. The base sheet portion 20 also includes a first scribed line L3 formed at the boundary between the first end sheet portion 205 and the central sheet portion 207, and a second scribed line L4 formed at the boundary between the second end sheet portion 206 and the central sheet portion 207. The first end sheet portion 205 and the central sheet portion 207 are adjacent to each other with the first scribed line L3 as the boundary, and the second end sheet portion 206 and the central sheet portion 207 are adjacent to each other with the second scribed line L4 as the boundary.

[0025] The first crease line L3 and the second crease line L4 are creases that make the base sheet 20 easier to fold. The first crease line L3 and the second crease line L4 are also creases that serve as the starting point for folding in the base sheet 20 when an external force is applied to the base sheet 20. The first crease line L3 and the second crease line L4 are formed, for example, by recesses formed on at least one of the outer and inner surfaces of the base sheet 20, or by cuts formed on at least one of the outer and inner surfaces of the base sheet 20. The first crease line L3 and the second crease line L4 are also called fold lines, etc. The outer surface of the first base sheet 21 is the surface opposite to the second base sheet 22, and the inner surface of the first base sheet 21 is the surface on the second base sheet 22 side of the first base sheet 21. Similarly, the outer surface of the second base seat portion 22 is the surface opposite to the first base seat portion 21, and the inner surface of the second base seat portion 22 is the surface on the side of the first base seat portion 21.

[0026] The position, inclination, and shape of the first and second lines L3 and L4 are not particularly limited, but in this embodiment, for example, the first and second lines L3 and L4 extend in a straight line along the vertical direction from the upper edge 202 to the lower edge 201 so as to be parallel to each other.

[0027] In the folded state, the first crease line L3 and the second crease line L4 are not bent. Then, when the central sheet portion 207 of the first base sheet portion 21 and the central sheet portion 207 of the second base sheet portion 22 are unfolded, the first crease line L3 and the second crease line L4 of the first base sheet portion 21 and the second base sheet portion 22 are bent. As a result, the first end sheet portion 205, the second end sheet portion 206, and the central sheet portion 207 of the first base sheet portion 21 and the second base sheet portion 22 are formed into a cylindrical shape with a roughly hexagonal cross-section.

[0028] The base portion 2 may be formed from a single sheet-like member or from multiple sheet-like members. That is, the first base sheet portion 21 and the second base sheet portion 22 may be formed from a single sheet-like member or from multiple sheet-like members. For example, when the first base sheet portion 21 and the second base sheet portion 22 are formed from a single sheet-like member, both ends of the single sheet-like member are joined together. As a result, the first base sheet portion 21 and the second base sheet portion 22 are arranged to face each other and connected at both ends. When the first base sheet portion 21 and the second base sheet portion 22 are formed from two sheet-like members, the two sheet-like members are overlapped and their ends are joined together. As a result, the first base sheet portion 21 and the second base sheet portion 22 are arranged to face each other and connected at both ends. The joining of sheet-like members is not particularly limited and can be done by means of adhesive, welding by heat compression, eyelet fastening, riveting, stapling, etc.

[0029] [Toilet seat area] The toilet seat portion 3 functions as the toilet seat of the portable toilet 1. The toilet seat portion 3 is formed in an O-shape (donut shape) with an opening 31 in the center and is connected to the upper parts of the first base seat portion 21 and the second base seat portion 22, respectively. When folded, the toilet seat portion 3 is folded in the center in the opposing direction F. Therefore, a fold line L5 is formed in the center of the toilet seat portion 3 in the opposing direction F, where the toilet seat portion 3 is folded. The toilet seat portion 3 is connected to the central seat portion 207 of the first base seat portion 21 and the second base seat portion 22, respectively, but is not connected to the first end seat portion 205 and the second end seat portion 206 of the first base seat portion 21 and the second base seat portion 22, respectively.

[0030] The toilet seat portion 3 may be formed from a sheet-like member that forms the base portion 2, or it may be formed from a sheet-like member different from the base portion 2. In other words, the base portion 2 and the toilet seat portion 3 may be formed from a single sheet-like member, or they may be formed from two or more sheet-like members. For example, when the toilet seat portion 3 is formed from a sheet-like member different from the base portion 2, a first connecting piece 32 and a second connecting piece 33 are formed on the toilet seat portion 3, the first connecting piece 32 is joined to the outer surface 207a of the central seat portion 207 of the first base seat portion 21, and the second connecting piece 33 is joined to the outer surface 207a of the central seat portion 207 of the second base seat portion 22. The joining of the first connecting piece 32 to the first base sheet portion 21 and the joining of the second connecting piece 33 to the second base sheet portion 22 is not particularly limited and can be done by means of, for example, adhesive bonding, welding by heat compression, eyelet fastening, riveting, stapling, etc.

[0031] Then, when the base 2 is unfolded by spreading the central seat portion 207 of the first base seat portion 21 and the central seat portion 207 of the second base seat portion 22, the toilet seat portion 3 is pulled by the central seat portions 207 of the first base seat portion 21 and the second base seat portion 22 and unfolds into a substantially flat shape. At this time, the toilet seat portion 3 is formed to protrude from the unfolded base portion 2. In this embodiment, the toilet seat portion 3 is formed in an O-shape (donut shape) that is longer in the front-rear direction than the unfolded base portion 2, so that it protrudes from the unfolded base portion 2. Also, the opening 31 is formed so that it does not protrude from the unfolded base portion 2. In this embodiment, the opening 31 is formed to be smaller than the unfolded base portion 2, so that it does not protrude from the unfolded base portion 2.

[0032] [Support part] The support portion 4 is a part that, in the unfolded state, has the function of supporting the first base seat portion 21 and the second base seat portion 22 from the inside. The support portion 4 is positioned between the first base seat portion 21 and the second base seat portion 22 and is connected to the lower parts of the first base seat portion 21 and the second base seat portion 22, respectively. In the folded state, the support portion 4 is folded at the center of the first base seat portion 21 and the second base seat portion 22 in the opposing direction F. As a result, a fold line L6 is formed in the center of the support portion 4 in the opposing direction F, where the support portion 4 is folded. The support portion 4 is connected to the inner surface 207b of the central seat portion 207 of the first base seat portion 21 and the second base seat portion 22, respectively.

[0033] The support portion 4 may be formed from a sheet-like member that forms the base portion 2, or it may be formed from a sheet-like member different from the base portion 2. In other words, the base portion 2 and the support portion 4 may be formed from a single sheet-like member, or they may be formed from two or more sheet-like members. For example, when the support portion 4 is formed from a sheet-like member different from the base portion 2, a first connecting piece 42 and a second connecting piece 43 are formed on the support portion 4, the first connecting piece 42 is joined to the inner surface 207b of the central sheet portion 207 of the first base sheet portion 21, and the second connecting piece 43 is joined to the inner surface 207b of the central sheet portion 207 of the second base sheet portion 22. The joining of the first connecting piece 42 to the first base sheet portion 21 and the joining of the second connecting piece 43 to the second base sheet portion 22 are not particularly limited and can be done by means of adhesive, welding by heat compression, eyelet fastening, riveting, stapling, etc.

[0034] Then, when the base portion 2 is unfolded by spreading out the central sheet portion 207 of the first base sheet portion 21 and the central sheet portion 207 of the second base sheet portion 22, the support portion 4 is pulled by the respective central sheet portions 207 of the first base sheet portion 21 and the second base sheet portion 22 and unfolds into a substantially flat shape. The support portion 4 may be formed into any shape as long as it can support the first base sheet portion 21 and the second base sheet portion 22 from the inside when unfolded. For example, the support portion 4 may be formed into a substantially hexagon, which is the shape corresponding to the base portion 2 in the unfolded state, or it may be formed into a strip (rectangle) that extends from the central sheet portion 207 of the first base sheet portion 21 to the central sheet portion 207 of the second base sheet portion 22. Furthermore, even if there is some excess space in the support part 4 when deployed, the support part 4 is positioned between the first base seat part 21 and the second base seat part 22, and the rigidity and weight of the support part 4 allow it to support the first base seat part 21 and the second base seat part 22 from the inside.

[0035] The support portion 4 is connected at a position spaced apart from the lower edges 201, which are the lower ends of the first base sheet portion 21 and the second base sheet portion 22, respectively. Therefore, in the unfolded state, the support portion 4 bends downward in a V-shape at its central portion (fold line L6) in the opposing direction F, and the central portion (fold line L6) of the support portion 4 in the opposing direction F is pressed against the installation surface A. In this case, the distance S between the lower edges 201, which are the lower ends of the first base sheet portion 21 and the second base sheet portion 22, and the connection position between the support portion 4 and the first base sheet portion 21 and the second base sheet portion 22 is not particularly limited, but can be, for example, 1 mm or more and 50 mm or less, preferably 1 mm or more and 30 mm or less.

[0036] Next, we will explain how to use portable toilet 1.

[0037] The portable toilet 1 is stored in a folded state. In the folded state of the portable toilet 1, the toilet seat portion 3 is folded along the fold line L5 so that it protrudes outward from the base portion 2, and the support portion 4 is folded along the fold line L6 so that it folds inward from the base portion 2, so that the first base seat portion 21 and the second base seat portion 22 overlap.

[0038] To use the portable toilet 1, the central seat portion 207 of the first base seat portion 21 and the central seat portion 207 of the second base seat portion 22 are spread out to deploy the portable toilet 1. That is, when the central seat portion 207 of the first base seat portion 21 and the central seat portion 207 of the second base seat portion 22 are spread out, the toilet seat portion 3 and the support portion 4 are pulled and spread out by the respective central seat portions 207 of the first base seat portion 21 and the second base seat portion 22. As a result, the toilet seat portion 3 is positioned on top of the first base seat portion 21 and the second base seat portion 22, respectively, and the first base seat portion 21 and the second base seat portion 22 are supported from the inside by the support portion 4. After that, a bag (not shown) for collecting excrement is attached to the toilet seat portion 3, and a coagulant and deodorizer are put into the bag as needed.

[0039] As described above, in the portable toilet 1 according to this embodiment, the opposing first base seat portion 21 and second base seat portion 22 are connected at both ends, and the toilet seat portion 3 is connected to the upper part of the first base seat portion 21 and the second base seat portion 22, respectively. Therefore, by overlapping the first base seat portion 21 and the second base seat portion 22, the toilet seat portion 3 can be folded to make it thinner. Furthermore, by spreading out the first base seat portion 21 and the second base seat portion 22, the toilet seat portion 3 can be spread out and positioned on the upper part of the first base seat portion 21 and the second base seat portion 22, respectively. This improves storage and assembly. Moreover, since the support portion 4 is positioned between the first base seat portion 21 and the second base seat portion 22 and supports the first base seat portion 21 and the second base seat portion 22 from the inside, stability during use is improved.

[0040] Furthermore, in this portable toilet 1, a sheet-shaped support section 4 is connected to the lower part of the first base sheet section 21 and the second base sheet section 22, respectively. Therefore, by overlapping the first base sheet section 21 and the second base sheet section 22, the support section 4 can be folded to make it thinner. Then, by spreading out the first base sheet section 21 and the second base sheet section 22, the support section 4 can be spread out, and the support section 4 can support the first base sheet section 21 and the second base sheet section 22 from the inside. This further improves storage and assembly.

[0041] Furthermore, in this portable toilet 1, the toilet seat portion 3 and the support portion 4 are connected to the central seat portion 207 of the first base seat portion 21 and the second base seat portion 22, respectively. Therefore, when the first base seat portion 21 and the second base seat portion 22 are extended, the toilet seat portion 3 and the support portion 4 can be properly extended, and the closing of the first base seat portion 21 and the second base seat portion 22 can be effectively prevented.

[0042] Furthermore, in this portable toilet 1, the first base sheet section 21 and the second base sheet section 22 each have a first crease line L3 formed at the boundary between the first end sheet section 205 and the central sheet section 207, and a second crease line L4 formed at the boundary between the second end sheet section 206 and the central sheet section 207. Therefore, when the first base sheet section 21 and the second base sheet section 22 are spread out, the base section 2 becomes a roughly hexagonal cylindrical shape due to the bending of the first crease line L3 and the second crease line L4 of the first base sheet section 21 and the second base sheet section 22, respectively, by the first end sheet section 205, the second end sheet section 206, and the central sheet section 207 of the first base sheet section 21 and the second base sheet section 22. As a result, the rigidity in the vertical direction is increased, further improving stability during use.

[0043] Furthermore, in this portable toilet 1, the support part 4 is connected to the inner surface 207b of the central seat portion 207 of the first base seat portion 21 and the second base seat portion 22 at a position spaced apart from the lower ends of the first base seat portion 21 and the second base seat portion 22, respectively. Therefore, when the first base seat portion 21 and the second base seat portion 22 are spread apart and the central part of the support part 4 in the opposing direction F of the first base seat portion 21 and the second base seat portion 22 is pushed downward, the support part 4 comes into contact with the installation surface A of the portable toilet 1, thereby restricting the movement of the support part 4. As a result, the force that tries to close the first base seat portion 21 and the second base seat portion 22 caused by a person sitting on the toilet seat portion 3 can be received by the installation surface A via the support part 4, further increasing stability during use.

[0044] Furthermore, in this portable toilet 1, the toilet seat portion 3 is not connected to the first end seat portion 205 and the second end seat portion 206 of the first base seat portion 21 and the second base seat portion 22, respectively. Instead, when unfolded, it is formed to extend beyond the first end seat portion 205 and the second end seat portion 206 of the first base seat portion 21 and the second base seat portion 22, respectively. As a result, when a person sits on the toilet seat portion 3, the toilet seat portion 3 is supported from below by the first end seat portion 205 and the second end seat portion 206 of the first base seat portion 21 and the second base seat portion 22, respectively. This prevents the toilet seat portion 3 from falling inward into the first base seat portion 21 and the second base seat portion 22.

[0045] The present invention is not limited to the embodiments described above, and can be modified as appropriate without departing from the spirit of the invention.

[0046] For example, in the above embodiment, the toilet seat portion is formed from a sheet-like member different from the base portion, and the first and second connecting pieces of the toilet seat portion are joined to the central seat portion of the first and second base seat portions. However, as in the modified example of the portable toilet 1A shown in Figure 9, the toilet seat portion may be formed from a sheet-like member that forms the base portion.

[0047] Figure 9 is a plan view showing the folded state of the modified portable toilet. Figure 10 is a cross-sectional view along line XX shown in Figure 9. Figure 11 is a front view showing the unfolded state of the portable toilet shown in Figure 9. Figure 12 is a plan view of the portable toilet shown in Figure 11. Figure 13 is a cross-sectional view along line XIII-XIII shown in Figure 11. As shown in Figures 9 to 13, the modified portable toilet 1A is basically the same as the portable toilet 1 of the above embodiment, differing from the portable toilet 1 of the above embodiment in that the toilet seat portion is formed from the same sheet-like material as the base portion, and the shape of the boundary line between the toilet seat portion and the base portion is different.

[0048] The toilet seat portion 3A is connected to the central seat portions 207 of the first base seat portion 21 and the second base seat portion 22. Here, a third line L7 is formed at the boundary between the toilet seat portion 3A and the central seat portions 207 of the first base seat portion 21 and the second base seat portion 22. The toilet seat portion 3A and the central seat portions 207 of the first base seat portion 21 and the second base seat portion 22 are adjacent to each other with the third line L7 as the boundary.

[0049] The third crease line L7, like the first crease line L3 and the second crease line L4, is a crease line that is easily bent. Also, like the first crease line L3 and the second crease line L4, the third crease line L7 is a crease line that serves as the starting point for bending in the sheet-like member when an external force is applied to the base sheet portion 20. Furthermore, the third crease line L7 is curved so as to be convex downwards. That is, the third crease line L7 is curved so as to be convex toward the lower edge portion 201.

[0050] Next, we will explain how to use portable toilet 1A.

[0051] The portable toilet 1A is stored in a folded state. In the folded state of the portable toilet 1A, the toilet seat portion 3A is folded along the fold line L5 so that it protrudes outward from the base portion 2A, and the support portion is folded along the fold line L6 so that it folds inward from the base portion 2A, so that the first base seat portion 21 and the second base seat portion 22 overlap.

[0052] To use the portable toilet 1A, the portable toilet 1A is unfolded by spreading out the central seat portion 207 of the first base seat portion 21 and the central seat portion 207 of the second base seat portion 22. That is, when the central seat portion 207 of the first base seat portion 21 and the central seat portion 207 of the second base seat portion 22 are spread out, the toilet seat portion 3A and the support portion 4 are pulled outwards by the respective central seat portions 207 of the first base seat portion 21 and the second base seat portion 22. At this time, because the third scribe line L7 is curved so as to be convex downwards, the toilet seat portion 3A is pulled outwards by the respective central seat portions 207 of the first base seat portion 21 and the second base seat portion 22, causing it to bend along the third scribe line L7. As a result, the toilet seat portion 3A is curved downwards and positioned on top of the first base seat portion 21 and the second base seat portion 22, respectively, and the first base seat portion 21 and the second base seat portion 22 are supported from the inside by the support portion 4. Subsequently, a bag (not shown) for collecting excrement is attached to the toilet seat portion 3A, and a coagulant and deodorizer are added to the bag as needed.

[0053] Thus, in the modified simple toilet 1A, the third scribe line L7 formed at the boundary between the toilet seat portion 3A and the first base seat portion 21 and the second base seat portion 22 is curved so as to be convex downwards. Therefore, by widening the first base seat portion 21 and the second base seat portion 22, the toilet seat portion 3A can be curved so as to be convex downwards. This curvature of the toilet seat portion 3A conforms to the shape of the buttocks of the person sitting on the toilet seat portion 3A, thereby improving sitting comfort and stability.

[0054] Furthermore, although the above embodiment was described as having the first and second lines extending parallel to each other, the first and second lines may be arranged to widen downwards or to narrow downwards, as in the modified example of the simple toilet 1B shown in Figure 14.

[0055] Figure 14 is a front view showing the folded state of a modified portable toilet. Figure 15 is a front view showing the unfolded state of the portable toilet shown in Figure 14. The modified portable toilet 1B shown in Figure 14 is equipped with a base portion 2B corresponding to the base portion 2 of the above embodiment. The base portion 2B has a first base sheet portion 21B and a second base sheet portion 22B corresponding to the first base sheet portion 21 and the second base sheet portion 22 of the above embodiment. The first base sheet portion 21B and the second base sheet portion 22B (base sheet portion 20B) each have a first scribed line L3B and a second scribed line L4B formed thereon, corresponding to the first scribed line L3 and the second scribed line L4 of the above embodiment. The first scribed line L3B and the second scribed line L4B extend outward from the upper edge portion 202 to the lower edge portion 201.

[0056] Furthermore, although the above embodiment was described as having the first base sheet portion and the second base sheet portion formed in a substantially rectangular sheet shape, the first base sheet portion and the second base sheet portion may also be formed in a trapezoidal sheet shape with the upper base shorter than the lower base, or in a trapezoidal sheet shape with the upper base longer than the lower base, as in the modified simple toilet 1C shown in Figure 16.

[0057] Figure 16 is a front view showing the folded state of a modified portable toilet. Figure 17 is a front view showing the unfolded state of the portable toilet shown in Figure 16. The modified portable toilet 1C shown in Figure 16 is equipped with a base portion 2C corresponding to the base portion 2 of the above embodiment. The base portion 2C has a first base sheet portion 21C and a second base sheet portion 22C corresponding to the first base sheet portion 21 and the second base sheet portion 22 of the above embodiment. The first base sheet portion 21C and the second base sheet portion 22C (base sheet portion 20C) each have a first scribed line L3C and a second scribed line L4C formed thereon, corresponding to the first scribed line L3 and the second scribed line L4 of the above embodiment. Furthermore, the first base sheet portion 21C and the second base sheet portion 22C are each formed in a trapezoidal sheet shape with the upper portion 202 being shorter than the lower portion 201, and the first connecting line L1C and the second connecting line L2C, corresponding to the first connecting line L1 and the second connecting line L2 of the above embodiment, extend so as to widen from the upper portion 202 side toward the lower portion 201 side. In addition, the first scribed line L3C and the second scribed line L4C extend so as to widen from the upper portion 202 side toward the lower portion 201 side.

[0058] Furthermore, although the above embodiment was described as being formed from the same sheet-like material as the base portion, the support portion may be made from a separate material from the base portion and inserted inside the base portion when it is unfolded. In this case, the support portion may be made from a material that is thicker than the base portion.

[0059] Furthermore, although the above embodiment was described as having a first and second crease formed at the boundary between the first end sheet portion, the second end sheet portion and the central sheet portion, it is also possible that the first and second creases are not formed at the boundary between the first end sheet portion, the second end sheet portion and the central sheet portion. In this case, the unfolded base portion is formed in a substantially elliptical cylindrical shape.

[0060] Furthermore, although the above embodiment described the support portion as being connected at a position spaced apart from the lower ends of the first base seat portion and the second base seat portion, the support portion may also be connected to the lower ends of the first base seat portion and the second base seat portion. [Explanation of symbols]

[0061] 1... Portable toilet, 1A... Portable toilet, 1B... Portable toilet, 1C... Portable toilet, 2... Base part, 2A... Base part, 2B... Base part, 2C... Base part, 3... Toilet seat part, 3A... Toilet seat part, 4... Support part, 20... Base seat part, 21... First base seat part, 21B... First base seat part, 21C... First base seat part, 22... Second base seat part, 22B... Second base seat part, 22C... Second base seat part, 31... Opening, 32... First connecting piece, 33... Second connecting piece, 42... First connecting piece, 43... Second connecting piece, 20 1...Bottom edge, 202...Top edge, 203...First side edge, 204...Second side edge, 205...First end sheet, 206...Second end sheet, 207...Center sheet, 207a...Outer surface, 207b...Inner surface, A...Installation surface, F...Opposite direction, L1...First connection line, L1C...First connection line, L2...Second connection line, L2C...Second connection line, L3...First ruled line, L3B...First ruled line, L3C...First ruled line, L4...Second ruled line, L4B...Second ruled line, L4C...Second ruled line, L5...Fold line, L6...Fold line, L7...Third ruled line, S...Separation distance.

Claims

1. The first and second base seat sections, which are opposite each other, are connected at both ends of the base section, An opening is formed in the center, and a toilet seat portion is connected to the upper part of the first base seat portion and the second base seat portion, It comprises a support portion disposed between the first base seat portion and the second base seat portion, which supports the first base seat portion and the second base seat portion from the inside, When the boundary line between the first base sheet portion and the second base sheet portion of the base portion is defined as the first connecting line and the second connecting line, Each of the first base seat portion and the second base seat portion has a first end seat portion adjacent to the first connecting line, a second end seat portion adjacent to the second connecting line, and a central seat portion located between the first end seat portion and the second end seat portion. The toilet seat portion and the support portion are connected to the central seat portion of the first base seat portion and the second base seat portion, respectively. The support portion is connected to the inner surface of the central seat portion of the first base seat portion and the second base seat portion at a position spaced apart from the lower ends of the first base seat portion and the second base seat portion, respectively. Portable toilet.

2. A base portion in which the opposing first base seat portion and the second base seat portion are connected at both ends thereof, An opening is formed in the center, and a toilet seat portion is connected to the upper part of the first base seat portion and the second base seat portion, It comprises a support portion disposed between the first base seat portion and the second base seat portion, which supports the first base seat portion and the second base seat portion from the inside, When the boundary line between the first base sheet portion and the second base sheet portion of the base portion is defined as the first connecting line and the second connecting line, Each of the first base seat portion and the second base seat portion has a first end seat portion adjacent to the first connecting line, a second end seat portion adjacent to the second connecting line, and a central seat portion located between the first end seat portion and the second end seat portion. The toilet seat portion and the support portion are connected to the central seat portion of the first base seat portion and the second base seat portion, respectively. Each of the first base sheet portion and the second base sheet portion has a first scribed line formed at the boundary between the first end sheet portion and the central sheet portion, and a second scribed line formed at the boundary between the second end sheet portion and the central sheet portion. A third ruled line is formed at the boundary between the toilet seat portion, the first base seat portion, and the second base seat portion, respectively. The aforementioned third grid line is curved so as to be convex downwards. Portable toilet.

3. A base portion in which the opposing first base seat portion and the second base seat portion are connected at both ends thereof, An opening is formed in the center, and a toilet seat portion is connected to the upper part of the first base seat portion and the second base seat portion, It comprises a support portion disposed between the first base seat portion and the second base seat portion, which supports the first base seat portion and the second base seat portion from the inside, In the folded state in which the first base seat portion and the second base seat portion are superimposed, the toilet seat portion extends from the first base seat portion and the second base seat portion. Portable toilet.

4. A base portion in which the opposing first base seat portion and the second base seat portion are connected at both ends thereof, An opening is formed in the center, and a toilet seat portion is connected to the upper part of the first base seat portion and the second base seat portion, It comprises a support portion disposed between the first base seat portion and the second base seat portion, which supports the first base seat portion and the second base seat portion from the inside, When the boundary line between the first base sheet portion and the second base sheet portion of the base portion is defined as the first connecting line and the second connecting line, Each of the first base seat portion and the second base seat portion has a first end seat portion adjacent to the first connecting line, a second end seat portion adjacent to the second connecting line, and a central seat portion located between the first end seat portion and the second end seat portion. The toilet seat portion is joined to the outer surface of the central seat portion of the first base seat portion and the second base seat portion, Portable toilet.

5. The support portion is formed in a sheet shape and is connected to the lower part of the first base sheet portion and the second base sheet portion, respectively. A portable toilet according to any one of claims 1 to 4.

6. When the boundary line between the first base sheet portion and the second base sheet portion of the base portion is defined as the first connecting line and the second connecting line, Each of the first base seat portion and the second base seat portion has a first end seat portion adjacent to the first connecting line, a second end seat portion adjacent to the second connecting line, and a central seat portion located between the first end seat portion and the second end seat portion. The toilet seat portion and the support portion are connected to the central seat portion of the first base seat portion and the second base seat portion, respectively. A portable toilet according to claim 3.

7. Each of the first base sheet portion and the second base sheet portion has a first scribed line formed at the boundary between the first end sheet portion and the central sheet portion, and a second scribed line formed at the boundary between the second end sheet portion and the central sheet portion. A portable toilet according to claim 4 or 6.

8. The toilet seat portion is not connected to the first end seat portion and the second end seat portion of the first base seat portion and the second base seat portion, respectively, and is formed to extend beyond the first end seat portion and the second end seat portion of the first base seat portion and the second base seat portion when the first base seat portion and the second base seat portion are spread out. A portable toilet according to claim 7.

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