JP3507951B2 - Portable toilet - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is useful for outdoor use such as at a construction site or a campsite at the time of a disaster, for nursing care, and for convenient carrying because it can be easily accommodated in the trunk of an automobile. Regarding a simple toilet.

[0002]

2. Description of the Related Art Generally, a mobile toilet is stored in a predetermined place, and when it is used in a disaster or the like, it is carried from a stockpiling warehouse or the like and installed in a predetermined place to form a temporary toilet. As such a temporary toilet, there are a box-shaped toilet formed of a steel plate in a box shape and a structure in which a plurality of toilets are connected and towed by an automobile or the like.

[0003]

However, this type of box-shaped toilet and continuous toilets are difficult to move due to their large weight and require a large space, so they can be moved easily. You can do it with less storage space,
There has also been a demand for a portable portable toilet that is lightweight and has a structure that is easy to assemble.

Therefore, an object of the present invention is to provide a portable toilet which has a small storage space, is easy to carry, is easy to assemble, and can be used as an ordinary chair by changing a part thereof. There is.

[0005]

In order to achieve the above object, the present invention has the following technical means. That is, to explain this with reference to the reference numerals in the accompanying drawings corresponding to the embodiments of the invention, the present invention is a foldable portable simple toilet 1, which is substantially central. A toilet seat 2 having a through-opening 3 formed therein and a housing recess formed on the back surface, and is pivotably attached to the front and rear of the toilet seat 2 so as to be foldable. When folded, the seat is folded to a position substantially parallel to the surface of the toilet seat 2. Leg members 8 and 9 that can be accommodated in the recess, a lid 5 that is openably and closably attached to one end of the toilet seat 2 to close the opening 3 of the toilet seat 2, and outer surfaces of both ends of the toilet seat 2 at one end. A backrest frame 14 that is pivotally attached to the outer periphery of the toilet seat 2 and is foldable to a position substantially parallel to the surface of the toilet seat 2, and at least both sides of the support surface formed at least in substantially the same width as the backrest frame 14.
The backrest of the desired position by utilizing elastic deformation disengageably locking portion 16a, a support frame 16 having a 16b, removably attached to cover the frame 1 four-car side frame upper surface of the toilet seat 2 An opening 10a corresponding to the opening 3 of the toilet seat 2 in the center
Toilet seat sheet 10 in which is formed, and a waterproof storage bag 12 liquid-tightly connected around the opening 10a of the toilet seat sheet 10.
The support frame 16 is formed in a box shape, and lateral slits 18 are formed in parallel on the plane thereof. When the portable toilet 1 is carried, the support frame 16 is folded around the outer periphery of the toilet seat 2. Locking portions 16a, 16 are provided on both side frames of the backrest frame 14.
When the simple toilet 1 is used, the locking portions 16a, 16 are provided on both side frames of the backrest frame 14 which is open when the simple toilet 1 is used.
A portable portable toilet characterized in that it is configured to be used as a backrest by locking b. According to the above, when used as a toilet bowl, the support frame 16 is removed from the backrest frame 14 folded to a position substantially parallel to the surface of the toilet seat 2, and the front and rear leg members accommodated in the accommodation recesses on the rear surface of the toilet seat 2. 8 and 9 are set up and the portable portable toilet 1 is installed in a predetermined place. Next, the lid 5 is opened, the waterproof storage bag 12 is passed through the opening 3 of the toilet seat 2, and the toilet seat 10 is attached to the toilet seat 2 for use. Portable portable toilet 1
When carrying, the toilet seat 10 is removed from the toilet seat 2, and the waterproof storage bag 12 containing the excrement is also removed from the opening 3 of the toilet seat 2, and then the opening 3 is closed by the lid 5. Next, the front and rear leg members 8 and 9 are folded to a position substantially parallel to the surface of the toilet seat 2 and accommodated in the accommodation recess of the toilet seat 2, and then the support frame 16 is provided from the outside so as to cover both leg members 8 and 9.
Is attached to the backrest frame 14. When the toilet seat is used as a chair, the toilet seat 10 is removed from the toilet seat 2, the waterproof storage bag 12 containing the excrement is also removed from the opening 3 of the toilet seat, and the opening 5 is opened by the lid 5. Closed to form a seat. Next, the chair 16 is formed by attaching the support frame 16 to the backrest frame 14 that has been raised. Therefore, when carrying the portable portable toilet 1, the backrest frame 14 and both leg members 8 and 9 are folded to a position substantially parallel to the surface of the toilet seat 2,
By locking the support frame 16 to both side frames of the backrest frame 14 folded around the outer periphery of the toilet seat 2 via the locking portions 16a and 16b, the leg member 8 folded and accommodated in the accommodation recess,
Since it has a compact structure in which 9 is covered, it has a small storage space, is convenient to carry, and can be easily assembled when used as a toilet bowl.

Further, the present invention is a foldable portable simple toilet 20, which is a toilet seat having a through opening 3 formed substantially in the center and an accommodation recess formed on the back surface. 22, a leg member 28, 29 pivotally attached to the front and rear of the toilet seat 22 so as to be foldable, and folded when folded to a position substantially parallel to the surface of the toilet seat 22 and accommodated in the accommodation recess, and an opening of the toilet seat 22. A lid 5 pivotably attached to the rear of the toilet seat 22 so as to close the portion 23 so as to be openable and closable.
And a support surface 25a, which is pivotally attached to the rear end of the toilet seat 22 and is foldable from a rising position to a position where it abuts the lower surface of the toilet seat 22 to close the accommodation recess. The backrest frame 25 having the locking means 30 provided on the back surface of the support surface 25a and one end pivotally attached to the rear leg member 29, and the other end 32c is engaged with the locking means 30 of the raised backrest frame 25. Detachable support member 32, both leg members 28,
A link member 33 pivotally attached to the vicinity of each pivot attachment portion 34, 35 of 29 to connect the leg members 28, 29, and a detachable attachment so as to cover the upper surface of the toilet seat 22. The toilet seat 10 has an opening 10a corresponding to the opening 23, and a waterproof storage bag 12 liquid-tightly connected to the periphery of the opening 10a of the toilet seat 10 to form the backrest frame 25. By the pivotal movement, the rear leg member 29 is configured to interlock via the support member 32, and the rear leg member 29 and the front leg member 28 are configured to interlock via a link member 33, and the rear leg of the link member 33 is configured. The portable toilet is characterized in that a tension spring is stretched at the end of the member 29 on the pivoting portion 35 side to assist the acting force acting when the leg members 28, 29 are opened. According to the above, when using it as a toilet bowl,
When the backrest frame 25, which closes the back surface of the toilet seat 22 by the support surface 25 a, is pivoted counterclockwise about the pivot portion 26 by a predetermined angle, the rear leg member 29 causes the support member 32 to move.
Pivots counterclockwise around the pivot portion 26 via
At the same time, the front leg member 28 also interlocks via the link member 33, and pivots clockwise to raise both leg members 28, 29. Here, when the rear leg member 29 accommodated in the accommodating recess is pivoted counterclockwise through the support member 32 to stand upright by opening the backrest frame 25, the rear leg member 29 and the rear leg member 29 are substantially omitted. Front leg member 28 accommodated in parallel
An action force that assists the pivoting action is applied to the link member 33 that connects the two by means of a tension spring. Therefore, the other end 32c of the support member 32 is retained by the retaining means 30 on the rear surface of the support surface 25a of the backrest frame 25 in a raised state. Next, the lid 5 is opened, the waterproof storage bag 12 is passed through the opening 23 of the toilet seat 22, and the toilet seat 10 is attached to the toilet seat 22 for use. When carrying the portable portable toilet 20, the toilet seat 10 is removed from the toilet seat 22, and the waterproof storage bag 12 containing excrement is also removed from the opening 23 of the toilet seat 22 and then opened by the lid 5. Close 3. Next, the other end of the support member 32 is disengaged from the locking means 30 on the back surface of the backrest frame 25 supporting surface 25a, and the backrest frame 25 is pivoted clockwise about the pivot portion 26 by a predetermined angle to move the backrest frame 25 rearward. The leg member 29 pivots clockwise around the pivotally attached portion 26 via the support member 32, and at the same time, the front leg member 28 also interlocks via the link member 33 to pivot counterclockwise to both leg members 28, 29 is accommodated in the accommodation recess on the rear surface of the toilet seat 22, and the rear surface of the toilet seat 22 is closed by the support surface 25 a of the backrest frame 25. When the toilet bowl is used as a chair, the toilet seat 10 is removed from the toilet seat, and the waterproof storage bag 12 containing waste is also removed from the opening 23 of the toilet seat and the opening 5 is closed by the lid 5. ,
The raised backrest frame 25 is formed as a chair in the state as it is. Therefore, when it is used as the portable toilet 20, the both leg members 28 and 29 can be automatically raised from the accommodation recess on the back surface of the toilet seat 22 in conjunction with the pivoting movement of the backrest frame 25 and carried. When
The leg members 28, 2 are interlocked with the pivoting movement of the backrest frame 25.
9 can be folded and housed in the housing recess on the back surface of the toilet seat 22, and the backrest frame 25 can be moved from the raised position to the toilet seat 22.
The leg members 28 and 29 folded and accommodated in the accommodating recess can be concealed by folding the accommodating recess on the back surface of the toilet seat 22 so as to close the accommodating recess on the back surface of the toilet seat 22. Also,
The link member 33 is provided with an action force for assisting the pivoting motion by a tension spring when the both leg members 28 and 29 are erected from the accommodation recess, so that the front and rear leg members 2 are provided.
8 and 29 can be smoothly pivoted upright in association with the opening of the backrest frame 25 even with a light acting force.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, a first embodiment of the present invention will be described in detail with reference to the accompanying drawings and FIGS. 1 is a side view of a portable toilet in the first embodiment of the present invention, FIG. 2 is a perspective view of the portable toilet which is used as a toilet bowl, and FIG. 3 is a perspective view of a portable toilet which is used as a chair. FIG. 4 is a perspective view of the portable portable toilet folded when carrying, and FIG. 5 is a front view of the portable portable toilet folded when carrying.

A portable portable toilet is shown as 1. The portable toilet 1 is provided with a toilet seat 2 having a through opening 3 formed substantially in the center thereof and a housing recess formed on the back surface thereof, and is pivotably attached to the front and rear of the lower surface of the toilet seat 2 so as to be foldable. Leg members 8 and 9 that can be folded to a position substantially parallel to the second surface and can be accommodated in the accommodation concave portion;
A lid 5 pivotably attached to one end of the toilet seat 2 to close the opening 3 of the toilet seat 2 and a backrest frame pivotally attached to one end of the toilet seat 2 and foldable to a position substantially parallel to the surface of the toilet seat. 14, and a support frame 16 that is formed in a U-shaped cross-section having a width that is at least approximately the same as the lateral width of the backrest frame 14, and that is provided with locking portions 16a, 16b that are engageable with the outer periphery of the backrest frame 14 on both sides
A toilet seat 10 that is detachably attached so as to cover the upper surface of the toilet seat 2 and has a central opening 10a having substantially the same shape as the opening 3 of the toilet seat 2, and is configured to be foldable, and the opening of the toilet seat 10 It is composed of a waterproof storage bag 12 liquid-tightly connected to the periphery of 10a.

More specifically, the toilet seat 2 is integrally molded of, for example, a synthetic resin plate, has a rectangular outer shape and has a predetermined thickness, a through opening 3 is formed substantially in the center, and a housing recess is formed on the back surface. Is formed, and a concave portion 2 is formed at the center of the front side surface.
a is formed.

As shown in FIG. 1 and FIG. 1, metal support shafts S1 and S2 are inserted and supported at front and rear ends of the toilet seat 2, respectively, and both ends of the support shaft S1 penetrating both side surfaces of the rear end of the toilet seat 2 are supported. Is a back frame 1 made by bending an aluminum pipe into a U shape.
Both ends of 4 are pivotally attached so as to be pivotable.

As shown in FIG. 2, the backrest frame 14 is formed so as to be bent once larger than the outer shape of the toilet seat 2, and a part of the center thereof is bent outwardly on the side opposite to the pivotal portion of the support shaft S1. 7
When it is pivoted upward about the support shaft S1 shown in FIG. 1, it is held in a state of being raised to a predetermined inclination state, and when folded, the toilet seat 2 is centered around the support shaft S1. When pivoted to a position substantially parallel to the surface, it is held by a locking portion (not shown).

Further, on the bottom surface of the rear end of the toilet seat, as shown in FIGS. 1 and 3, both frames 9a and 9b of a leg member 9 formed by bending an aluminum pipe in a U shape are pivoted on both sides of the support shaft S1. A lid 5 is rotatably pivotally mounted, and a lid 5 integrally formed of synthetic resin or the like is pivotally mounted further inside the same support shaft S1.

The lid 5 is formed in a rectangular shape smaller than the outer shape of the toilet seat 2, and a protrusion 6 is formed at the end opposite to the pivot portion, so that the lid 5 can be closely attached to the upper surface of the toilet seat 2 when closed. The peripheral edge is formed flat.

The leg member 8 pivotally attached to the front end of the toilet seat 2 is composed of a pair of independent leg members 8a and 8b, and these leg members 8a and 8b are formed of aluminum pipes, and are formed on the lower surface of the front end of the toilet seat 2. The support shaft S2 supported on both sides is pivotally attached to both sides in a foldable manner.

Leg members 8 and 9 arranged in front of and behind the toilet seat 2.
When used, they are pivoted about the support shafts S1 and S2 and are held upright relative to each other, and when carried, they are pivoted to a position substantially parallel to the surface of the toilet seat 2.

A support frame 16 made of, for example, a synthetic resin is detachably engaged with both outer sides of the backrest frame 14, and the support frame 16 is formed in a box shape and lies horizontally on its plane. Direction slits 18 are formed in parallel, and provided with locking portions 16a and 16b that are formed by projecting from both side surfaces that are bent and that have curved portions that are recessed inward at the tips, and utilize elastic deformation of the locking portions 16a and 16b. It is locked to both side frames of the backrest frame 14.

Next, a toilet seat sheet is indicated by reference numeral 10. This toilet seat sheet 10 is detachably attached to the upper surface of the toilet seat 2, and is formed of, for example, a paper sheet in a rectangular shape and has an opening at the center. The portion 10a is formed, a linear bending line B (see FIG. 6) passing through the center of the opening 10a is formed, and an annular double-sided tape T is attached to the periphery of the upper surface of the opening 10a. . Tongue pieces 11a and 11b are provided on both sides of the toilet seat 10 so as to project.
Double-faced tapes T1 and T2 are attached to the upper surface of the tip of b.

Further, a storage bag 12 is liquid-tightly connected to the rear surface side of the peripheral edge of the opening 10a of the toilet seat 10, and the storage bag 12 is liquid-tightly made of a resin (polyethylene or vinyl etc.) material. It may be made of paper, or may be made of paper and waterproofed. However, when it is incinerated together with excrement, paper is preferable in order to eliminate pollution.

Next, a folding or assembling procedure of the portable portable toilet according to the first embodiment and an example of using the toilet seat will be described. 6 is a perspective view of the toilet seat before use, FIG. 7 is a perspective view showing a state where the seal on one side of the double-sided tape around the opening is peeled off after use, and FIG. 8 is a perspective view showing the opening of the seat after use. It is a perspective view showing the state where it is hermetically closed.

That is, when the portable portable toilet 1 is used as a toilet bowl, as shown in FIGS. 4 and 5, the support frame 16 is removed from the backrest frame 14 folded to a position substantially parallel to the surface of the toilet seat 2. , The front and rear leg members 8 and 9 are erected to set the toilet seat 2 at a predetermined position.

Next, a finger is hooked on the protruding portion 6 of the lid body 5 to pivot upward about the support shaft S1 to hold it open, and through the storage bag 12 through the opening 3 of the toilet seat 2 to the upper surface of the toilet seat 2. Install the toilet seat 10.

When the toilet seat 10 is attached to the toilet seat 2, the double-sided tapes T1 and T2 of the tongues 11a and 11b protruding from both sides of the toilet seat 10 are peeled off as shown in FIG. The toilet bowl shown in FIG. 2 is formed by wrapping it around the pipe of the backrest frame 14 that is folded outward and holding it by adhesion.

Next, when the portable toilet 1 is used as a chair, the toilet seat 10 is removed from the pipe of the backrest frame 14, and the storage bag 12 containing the excrement is taken out from the opening 3 of the toilet seat 2, as shown in FIG. As shown in FIG. 7, the one-sided seal of the double-sided tape T around the opening 10a is peeled off to remove the toilet seat sheet 10
By folding the sheet in half, the adhesive surfaces of the double-sided tape T are adhered to each other and the opening 10a is liquid-tightly closed.

Therefore, when carrying the portable toilet 1 constructed as described above, the backrest frame 14 is used for the toilet seat 2.
Fold to the outer periphery to a position substantially parallel to the surface of the toilet seat 2,
After the leg members 8 and 9 are folded and accommodated in the accommodating concave portion on the back surface of the toilet seat 2, the support frame 16 can be mounted on the backrest frame 14 from the outside so as to cover the leg members 8 and 9.
Since it has a compact structure, it has a small storage space, is convenient to carry, and can be easily assembled when used as a toilet bowl.

Further, when the chair is used as a normal chair, the supporting frame 16 is locked to the upright backrest frame 14.

Further, the opening 10a on the upper surface of the toilet seat 10
The peripheral edge has a double-sided tape T is used, since the one side seal on the adhesive surface at the time of sitting is adhered can be used without discomfort, because the time of disposal opening 10a is sealed is adhered It can be processed hygienically.

Furthermore, when mounting the toilet seat 10,
Since the double-sided tapes T1 and T2 are used, they can be easily attached and detached and can be securely held. It should be noted that a fastener or the like can be used instead of the double-sided tape used to close the opening 10a of the toilet seat 10 or to be attached to the toilet seat, and can be hermetically closed or detachably held. If so, it is not limited to the double-sided tape.

Next, a second embodiment of the present invention will be described. FIG. 9 is a side sectional view of the assembled portable portable toilet cut away from the center, FIG. 10 is a rear view of the assembled portable portable toilet, and FIG. 11 is a side view of the folded portable portable toilet. FIG. 12 is a plan view of the portable portable toilet in the folded state. The same parts as those shown in the above embodiment are designated by the same reference numerals, and detailed description thereof will be omitted.

FIG. 9 shows a portable toilet as reference numeral 20 according to this embodiment. The portable toilet 20 has a toilet seat 22 in which a through-opening 23 is formed substantially in the center and a housing recess is integrally formed on the back surface with synthetic resin or the like, and the toilet seat 22 is pivotably attached to the front and rear of the toilet seat 22 so that it can be folded. Occasionally, leg members 28 and 29 that can be folded to a position substantially parallel to the surface of the toilet seat 22 and can be accommodated in the accommodation recess, and a lid that is openably and closably attached to the rear of the toilet seat 22 to close the opening 23 of the toilet seat 22. It has a body 5 and a supporting surface 25a, and is pivotally attached to the rear end of the toilet seat 22 so that it can be folded from a rising position to a position where it abuts the lower surface of the toilet seat 22 to close the accommodation recess of the toilet seat 22. It is possible, and one end is pivotally attached to the backrest frame 25 in which the locking means 30 is integrally formed of synthetic resin or the like on the back surface of the support surface 25a, and the rear leg member 29.
A support member 32, the other end of which can be engaged and disengaged, with a locking means 30 of the backrest frame 25 that has been raised, and both leg members 28 and 29 are pivotally attached near the pivotal attachment portions of the leg members 28 and 29, respectively.
And a pair of link members 33 that connect the toilet seat 22 and the toilet seat 22 so as to cover the upper surface of the toilet seat 22. The toilet seat 10 is detachably attached to the upper surface of the toilet seat 22 and is provided around the opening 10a of the toilet seat 10. The waterproof storage bag 12 is liquid-tightly connected, and when the backrest frame 25 is opened by pivotal movement, the rear leg member 29 is interlocked via the support member 32, and the rear leg member 29 and the front leg are connected. The member 28 is configured to interlock with each other via the link member 33.

More specifically, one end of the front leg member 28 is
A support shaft 34, which is a front pivoting portion in the accommodation recess on the back surface of the toilet seat 22
Further, one end of the rear leg member 29 is pivotally attached to a support shaft 35 as a pivotal attachment portion in the accommodation recess at the rear.

The support shaft 3 to which one end of the rear leg member 29 is pivotally attached.
5 and the bracket 37b attached to the landing side near the support shaft 34 of the front leg member 28 and the end portion near the support shaft 35 extending outward from the pair of link members via the pivots P1 and P2. 33 is pivotally connected.

Further, as shown in FIG. 10, the rear leg member 2
9, a pair of brackets 37 mounted on a part of the landing side
Both end portions 32a and 32b, which are one end of a rod-shaped support member 32 bent in a mountain shape, are pivotally attached to a.
A top portion 32c, which is the other end of the support member 32, is slidably engaged with an engagement portion 43 of a pair of ribs 38a, 38b vertically arranged on the back surface of the support surface 25a of the backrest frame 25. (See Figure 9).

On the other hand, the locking means 30 of the backrest frame 25 is
On the back surface of the backrest frame 25 supporting surface 25a, a recessed groove 43 as a locking portion for locking the top 32c of the support member 32 when the backrest frame 25 is started up is extended. The groove 4 is formed at one end of the hole 42.
An elastically deformable tongue piece 40 is provided corresponding to the groove 43 as a holding means for pressing and holding the top portion 32c of the support member 32 that is locked at 3.

Further, a tension spring (not shown) is stretched by being engaged with a bracket (not shown) on the rear surface of the toilet seat 22 at the end of the rear side of the link member 33 to which the rear leg member 29 is pivotally attached, so as to extend in the accommodation recess. Both leg members 28, 29 housed in
Is configured to assist the action force to pivot when opening.

Next, the folding or assembling procedure of the portable portable toilet according to the second embodiment will be described. In addition,
The usage example of the toilet seat is the same as that of the first embodiment, and the description thereof is omitted.

As shown in FIG. 11, when the portable portable toilet 20 is used as a toilet bowl, the opening 3 of the toilet seat 22 is used.
The lid body 5 that closes is closed, and the backrest frame 25 that closes the back surface is pivoted counterclockwise about the support shaft 26.

When the back frame 25 is pivoted by a predetermined angle,
Pivots counterclockwise about the support shaft 26 aft member 29 via a support member 32, before Hoashi member 28 also interlocked via the same link member pivoted clockwise, legs member Stands up.

Next, when the backrest frame 25 is further pivoted and raised, the penetrating guide hole 42 on the back surface of the backrest frame 25.
To the top portion 3 which is the other end of the support member 32 which is inserted and engaged.
When 2c moves and is locked in the groove 43 at the lower end,
The top portion 32c is pressed by the elastic force of the tongue piece 40 to maintain its state, and is held in a state in which the backrest frame 25 is raised. When using this as a chair, the lid 5 may be closed to close the opening 3 of the toilet seat 22.

When carrying the portable portable toilet 20, the opening 5 of the toilet seat 22 is closed by closing the lid 5, and the top 32c of the support member 32 is recessed into the recess 43 of the locking means 30 on the back of the backrest frame 25. Remove the backrest frame 25 from the support shaft 2
Pivot clockwise about 6 by a predetermined angle.

By the pivotal movement of the backrest frame 25, the rear leg member 29 pivots clockwise around the support shaft 26 via the support member 32, and at the same time, the front leg member 28 also interlocks via the link member 33. Pivot counterclockwise,
9 is accommodated in the accommodation recess on the rear surface of the toilet seat 22, and the accommodation recess on the rear surface of the toilet seat 22 is closed by the backrest frame 25.

With the above-described structure, when the portable toilet 20 is used as the toilet 20, the pivoting operation when opening the backrest frame 25 causes
The support member 32 and the link member 33 are interlocked, and the both leg members 2
8 and 29 can be automatically erected from a stool seat 22 the rear surface of the accommodating recess and.

When carrying, the support member 32 and the link member 3 are pivotally moved to close the backrest frame 25.
3 in conjunction is able to accommodate folding the legs members 28 and 29 to the stool seat 22 the rear surface of the accommodating recess, the backrest frame 25
From the raised position to the lower surface of the toilet seat 22
By folding to the position where the accommodation recess on the back surface is closed, both leg members 28 and 29 folded and accommodated in the accommodation recess can be hidden.

As described above, the simple toilet 20 can be folded or assembled by a simple operation, and can be compactly folded during transportation, so that a storage space can be reduced and it is convenient to carry.

In addition, the rear leg member 29 of the link member 33
A tension spring is stretched at the end of the pivoting portion on the side thereof to assist the acting force acting to pivot when the leg members 28 and 29 are opened.
However, when the backrest frame 25 is opened, the portable toilet can be easily assembled by being pivoted upright even with a light acting force.

Further, the locking means 30 of the backrest frame 25 is
The one end top 32c of the support member 32 locked in the groove 43 when the backrest frame 25 is raised is pressed and held by the elastically deformable tongue piece 40, and the support member 32 is also provided.
Since the through guide hole 42 that slidably guides the top 32c of the support member 32 extends along the back surface, even if the one end top 32c of the support member 32 comes out of the groove 43, the through guide hole 4
2 is slidably guided, and when the backrest frame 25 is started up, one end of the support member 32 is placed on the backrest frame 2.
5 can be automatically locked in the groove 43.

[0046]

The present invention has the following effects.

As described in detail above, according to the invention of claim 1 of the present application, when carrying a portable toilet, the backrest frame and both leg members are folded to a position substantially parallel to the surface of the toilet seat and then folded around the outer periphery of the toilet seat. On both sides of the backrest frame,
By locking the support frame via the locking portion, the leg member folded and accommodated in the accommodating concave portion is covered with a compact structure, so that the storage space can be reduced and it is convenient to carry. It can be easily assembled when used as a toilet bowl.

According to the invention of claim 2 of the present application, when it is used as a portable toilet, both leg members interlock with the pivoting movement of the backrest frame. Both leg members can be automatically erected from the above position, and when carrying a portable portable toilet, the two leg members are folded and housed in the accommodation recess on the back of the toilet seat by the interlocking motion with the pivoting motion that closes the backrest frame. By folding the backrest frame from the raised position to the position where it abuts the lower surface of the toilet seat to close the accommodation recess on the back surface of the toilet seat, both leg members folded and accommodated in the accommodation recess can be hidden. Further, since the tension spring is stretched at the end of the link member on the side of the rear leg member pivoting portion, the action force for pivoting motion is assisted when the leg members are opened, so that both leg members are opened. It can be pivoted upright smoothly in conjunction with the movement, and the portable toilet can be assembled by a simple operation.

[Brief description of drawings]

FIG. 1 is a side view of a portable toilet device according to a first embodiment of the present invention.

FIG. 2 is a perspective view of a portable toilet which is used as a toilet bowl.

FIG. 3 is a perspective view of a portable portable toilet used as a chair, and FIG. 4 is a perspective view of the portable portable toilet folded when carrying.

FIG. 4 is a perspective view of a portable portable toilet folded when being carried.

FIG. 5 is a front view of a portable portable toilet folded when being carried.

FIG. 6 is a perspective view of the toilet seat sheet showing a state before use.

FIG. 7 is a perspective view showing a state where a seal on one side of the double-sided tape around the opening is peeled off after use.

FIG. 8 is a perspective view showing a state in which the opening of the toilet seat is hermetically closed after use.

FIG. 9 is a side cross-sectional view of the portable portable toilet according to the second embodiment of the present invention, with the portable portable toilet in an assembled state being cut away from the center.

FIG. 10 is a rear view of the assembled portable portable toilet of the portable portable toilet according to the second embodiment of the present invention.

FIG. 11 is a side sectional view of the portable portable toilet according to the second embodiment of the present invention, which is the portable portable toilet in a folded state.

FIG. 12 is a plan view of the portable portable toilet according to the second embodiment of the present invention, which is a portable portable toilet in a folded state.

[Explanation of symbols]

1 Portable portable toilet 2 toilet seat 2a recess 3 openings (through openings) 5 Lid 6 Projection 7 Projection 8, 8a, 8b, 9 leg members 10 Toilet seat 10a opening 11a, 11b tongue 12 storage bags 14 back frame 16 Support frame 16a locking part 18 slits 20 Portable portable toilet 22 Toilet seat 23 opening 25 back frame 25a support surface 26 spindle 28 Front leg member (leg member) 29 Rear leg member (leg member) 30 locking means 32 Support member 32a, 32b both ends 32c Top (end) 33 Link member 34, 35 Spindle (Pivot part) 37a, 37b bracket 38a rib 40 Tongue piece (holding means) 42 Through guide hole 43 Groove (locking part) B Bend line P1, P2 Axis S1, S2 support shaft T, T1, T2 double-sided tape

Claims (2)

(57) [Claims] 1. A portable portable toilet 1 that is foldable, wherein the portable portable toilet 1 has a through opening 3 substantially at the center thereof.
And a seat 2 with a housing recess formed on the back surface
And leg members 8 and 9 which are pivotally attached to the front and rear of the toilet seat 2 so as to be foldable, and when folded, are folded up to a position substantially parallel to the surface of the toilet seat 2 and can be accommodated in the accommodation recess, and the toilet seat 2
A lid 5 pivotally attached to one end of the toilet seat 2 so as to close the opening 3 of the toilet seat 2; and a face of the toilet seat 2 on the outer periphery of the toilet seat 2 that is pivotally attached to both outer surfaces of one end of the toilet seat 2. The backrest frame 14 that can be folded up to a substantially parallel position, and at least both sides of the support surface formed to have at least substantially the same width as the backrest frame 14 can be engaged and disengaged at desired positions of the both side frames of the backrest frame 14 by using elastic deformation. Supporting frame 16 having various locking portions 16a and 16b,
A toilet seat 10 that is detachably attached so as to cover the upper surface of the toilet seat 2 and has an opening 10a corresponding to the opening 3 of the toilet seat 2 in the center, and the opening 1 of the toilet seat 10.
0a and a waterproof storage bag 12 that is liquid-tightly connected to the periphery thereof. The support frame 16 is formed in a box shape, and lateral slits 18 are formed in parallel on the plane thereof. When carrying the, the leg members 8 folded and housed in the housing recess by locking the locking portions 16a and 16b on both side frames of the backrest frame 14 folded on the outer periphery of the toilet seat 2,
9. A portable portable toilet which covers 9 and is configured such that when the portable toilet 1 is used, the locking portions 16a and 16b are locked to both side frames of the backrest frame 14 which is opened and used as a backrest portion. 2. A foldable portable toilet 20 having a toilet seat 22 in which a through opening 3 is formed substantially in the center and an accommodation recess is formed on the back surface. The leg members 28 and 29 are pivotally attached to the front and rear of the toilet seat 22 so as to be foldable, and when folded, can be folded to a position substantially parallel to the surface of the toilet seat 22 and accommodated in the accommodation recess.
And the toilet seat 22 to close the opening 23 of the toilet seat 22.
And a support surface 25a, which is pivotally attached to the rear of the vehicle so as to be openable and closable.
And pivotally attached to the rear end of the toilet seat 22,
The backrest frame 25 is foldable from the rising position to a position where it abuts the lower surface of the toilet seat 22 to close the accommodation recess, and the locking means 30 is provided on the back surface of the support surface 25a.
A support member 32, one end of which is pivotally attached to the rear leg member 29, and the other end 32c of which can be engaged with and disengaged from the locking means 30 of the backrest frame 25 that has been raised, and the pivotal attachment portions of both leg members 28 and 29. Three
4, 35 are respectively pivotally attached to the vicinity of the leg members 28,
A link member 33 connecting 29, a toilet seat 10 that is detachably attached so as to cover the upper surface of the toilet seat 22, and an opening 10a is formed in the center corresponding to the opening 23 of the toilet seat 22, and the toilet seat It is composed of a waterproof storage bag 12 liquid-tightly connected around the opening 10a of the seat 10, and the rear leg member 29 is interlocked via the support member 32 and rearward by the pivotal movement of the backrest frame 25. The leg member 29 and the front leg member 28 are configured to interlock with each other via a link member 33, and a tension spring is stretched at an end of the rear leg member 29 of the link member 33 on the pivotal attachment portion 35 side to extend the both legs. A portable simple toilet characterized by assisting the acting force acting when the members 28, 29 are opened.