JP6198489B2 - Portable toilet - Google Patents

Description

  The present invention generally relates to portable toilets (mobile portable toilets), and more particularly to a portable toilet in which a bucket for storing filth is detachably attached to a toilet body.

  Conventionally, for example, a portable toilet is used for an elderly person or a person who is difficult to move in a living room or a bedroom. The portable toilet includes at least a toilet seat and a container for storing filth disposed below the toilet seat, and the filth container is detachably attached to the portable toilet. The waste container must be removed from the portable toilet after use, the contents discarded, cleaned, and reattached to the portable toilet again by the next use. Therefore, there is a need to make it easy to attach and detach the waste container to the portable toilet and to clean it.

  For example, Japanese Patent Laying-Open No. 2005-152340 (Patent Document 1) proposes a portable toilet provided with a warm water cleaning device that can be cleaned with warm water during use. In this portable toilet, the filth pot and toilet seat are supported by the support member to prevent the filth container (dirt pot) from being used accidentally when it is not installed in the correct use position. After the toilet seat is flipped up and detachably mounted on the frame, the filth pot can be moved forward by pulling the support member forward, and the filth pot can be pushed backward by pushing the support member backward. Proposed.

  In Patent Document 1, the handle of the filth pot is accommodated only in the first half of the pot support portion of the support member, and when the support member is pulled out to the pot removal position, the handle of the filth pot is always located on the front side. It is also described that workability is improved.

  Patent Document 1 further proposes that a guide rail is formed on the back surface of the support member of the filth pot, thereby reducing the frictional resistance when the support member is moved and sliding it lightly.

JP 2005-152340 A

  However, in the portable toilet described in Patent Document 1, attention is not paid to the weight of the filth container (dirt pot). In order to prevent the generation of odors and facilitate cleaning after use, not only in portable toilets with hot water cleaning equipment but also portable toilets without hot water cleaning equipment. In many cases, a predetermined amount of water is stored in advance. Therefore, even if the filth container itself is made of resin and light, when the filth container is removed from the portable toilet, the weight is increased by water and filth.

  Therefore, an object of the present invention is to provide a portable toilet that can reduce the weight of a waste container and is easy to clean.

  The present inventors have intensively studied the construction of a portable toilet sewage container that can be reduced in weight while containing a sufficient amount of water to prevent odor generation and facilitate cleaning after use. did. And the structure which can reduce the quantity of water required in order to maintain the predetermined | prescribed water level in a waste container, and can obtain the water level which can implement | achieve deodorization and antifouling with a smaller water quantity was discovered.

  A portable toilet according to the present invention has a toilet main body having an upper surface formed with a first opening defined by an edge wall, and is attached to and detached from the first opening via the edge wall of the upper surface. A bucket having a second opening, and a toilet seat having a third opening and rotatably attached to the upper surface above the bucket.

  The bucket has a front portion and a bottom portion. The front part is raised toward the inside of the bucket, and the ridge part extends in a ridge shape from the upper part to the lower part of the bucket. The front part is arranged on both sides in the left-right direction of the raised part and extends from the upper part of the bucket along the raised part. And a buttock extending in a valley shape to the bottom. The bottom surface portion has a substantially constant inclination angle with respect to the horizontal plane from the front to the rear in a state where the bucket is mounted in the first opening, and is arranged so that the front side is high and the rear side is low. Including an inclined portion.

  In the portable toilet according to the present invention, the inclined portion is located vertically below the position where the width of the minor axis direction of the third opening is maximum when the bucket is mounted in the first opening. It is preferable to arrange | position.

  In the portable toilet according to the present invention, the inclination angle of the inclined portion with respect to the horizontal plane is preferably at least 5 ° or more in a state where the bucket is mounted in the first opening.

  In the portable toilet according to the present invention, it is preferable that a mark indicating the position of the water surface when a predetermined volume of water is contained in the bucket is provided on the inner wall surface of the bucket.

  In the portable toilet according to the present invention, the bucket has a handle pivotally supported on the rotation shaft so as to be rotatable with respect to the bucket, and the rotation shaft extends to the position of the mark in the bucket. When the user holds the handle and suspends the bucket while containing water, it is preferable that the center of gravity of the bucket containing water and the rotation axis are arranged so as to be aligned on a substantially vertical line. .

  In the portable toilet according to the present invention, it is preferable that a groove is formed outside the edge wall on the upper surface of the upper surface of the toilet body.

  In the portable toilet according to the present invention, the groove is configured such that at least a part of the handle is accommodated in the groove when the bucket is mounted in the first opening. preferable.

  In the portable toilet according to the present invention, the inner bottom surface of the groove and the handle are separated from each other in a state where at least a part of the handle is accommodated in the groove with the bucket mounted in the first opening. It is preferable to have a handle support portion for supporting the handle.

  In the portable toilet according to the present invention, the bucket preferably includes a flange portion formed so as to project outside the bucket. The outer diameter of the flange portion is preferably larger than the diameter of the first opening. Further, the flange portion includes a folded portion extending downward, and the folded portion is disposed so as to face the side surface of the edge wall inside the groove portion in a state where the bucket is mounted in the first opening. It is preferred that

It is a perspective view showing the whole of the state where the lid and auxiliary lid of the portable toilet of one embodiment of the present invention were opened. It is a perspective view showing the whole state where the toilet seat of the portable toilet of one embodiment of the present invention was raised. It is a perspective view showing the whole state where the toilet seat of the portable toilet of one embodiment of the present invention is raised and the auxiliary lid is removed. It is a perspective view showing the whole state where the toilet seat of the portable toilet of one embodiment of the present invention is raised and the bucket is removed. It is a disassembled perspective view which shows a part of structural member of the toilet main-body part of the portable toilet of one Embodiment of this invention. It is a disassembled perspective view which shows the main structural members of the portable toilet of one Embodiment of this invention. It is a perspective view which shows the bucket of the portable toilet of one Embodiment of this invention, and the auxiliary cover of a bucket. It is sectional drawing which shows a state when the bucket shown in FIG. 7 is seen from the direction of a VIII-VIII line. It is a partial cross section perspective view which shows a cross section when the bucket shown in FIG. 8 is seen from the direction of the IX-IX line. It is a partial cross section perspective view which shows a cross section when the bucket shown in FIG. 8 is seen from the direction of XX. It is a perspective view which shows the whole receiving part of the portable toilet of one Embodiment of this invention. It is the figure (A) which shows a state when it sees from upper direction about the state which attached the bucket and the toilet seat to the receiving part of the portable toilet of one Embodiment of this invention, and the figure (B) which shows a center side cross section. It is sectional drawing which shows a state when a bucket and a receiving part are seen toward back from the center part. It is a perspective view showing the whole auxiliary lid of the portable toilet of one embodiment of the present invention. It is a figure which shows the lower surface of the auxiliary lid of the portable toilet of one Embodiment of this invention. It is sectional drawing which shows a state when the auxiliary | assistant cover shown in FIG. 14 is seen from the direction of a XVI-XVI line. It is center side sectional drawing which shows the state which attached the auxiliary cover to the bucket of the portable toilet of one Embodiment of this invention.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the following description, directions such as front and rear, left and right, and up and down are represented as viewed from a user who is normally seated on a portable toilet. For example, the front side of the user normally sitting on the portable toilet is the front side or the front side of the portable toilet, and the back side of the user is the rear side or the back side of the portable toilet. F, B, R, and L indicated by arrows in the drawing respectively indicate the front side, the rear side, the right side, and the left side of the member shown in the drawing.

  First, the main configuration of the portable toilet will be described.

  As shown in FIG. 1, a portable toilet 1 according to an embodiment of the present invention is mainly attached to a toilet body 2 having an opening formed on an upper surface thereof so as to cover the opening. And a toilet seat 4 disposed between the upper surface of the toilet body 2 and the lid 5 and a bucket 6 mounted inside the opening. FIG. 1 shows a state in which an auxiliary lid described later is removed.

  The toilet body part 2 mainly includes a box part 23, a frame part 24, and a receiving part to be described later. The box part 23 is a box that constitutes a lower part of the toilet body part 2 and has a cavity formed therein and an upper surface opened, and has leg parts 22 that support the toilet body part 2. The frame portion 24 is placed on the box portion 23 to support the frame portion 24, a bucket storage portion formed as a recess in the central portion of the pedestal portion 241 as will be described later, and a pedestal portion 241. The column 200 extends upward from the upper surface at the left and right end portions thereof, the armrest 20 supported by the column 200, and the backrest 21 that extends upward from the upper surface at the rear portion of the pedestal portion 241. . In a state in which the frame portion 24 is placed on the box portion 23, the upper end portion of the box portion 23 is fitted into a recess (not shown) on the lower surface of the pedestal portion 241, and is screwed to the box portion 23 and the frame portion. 24 are connected. The front part 231 of the box part 23 and the front part 243 of the frame part 24 are connected so as to be smoothly continuous. The front surface portion 231 is inclined so that the outer diameter of the box portion 23 is large at the upper portion and the outer shape is small at the lower portion.

  A toilet seat 4 is attached to the upper surface of the toilet body 2 so as to be rotatable from above the bucket 6. An opening 40 is formed at the center of the toilet seat 4. In this embodiment, the periphery of the opening 40 is closed like an O shape instead of a C shape. The periphery of the opening 40 may not be closed.

  As shown in FIG. 2, the toilet seat 4 is rotatably attached to the frame portion 24. When the toilet seat 4 is turned upward, the receiving portion 3 attached to the upper surface of the pedestal portion 241 is exposed. In FIG. 2, the opening of the bucket 6 is closed with the auxiliary lid 7. The outer shape of the auxiliary lid 7 is formed in a shape substantially similar to the outer shape of the opening so as to cover the entire opening of the bucket 6. A handle 74 of the auxiliary lid 7 is disposed at the center of the lid plate 70 of the auxiliary lid 7. A handle 65 is attached to the bucket 6. The handle 65 of the bucket 6 is supported at a position higher than the upper end of the opening of the bucket 6 by the handle support portion of the receiving portion 3 as will be described later.

  As shown in FIG. 3, when the user holds the handle 74 of the auxiliary lid 7 and removes the auxiliary lid 7, the inside of the bucket 6 is exposed. Around the bucket 6, the upper surface of the receiving portion 3 is disposed at a position lower than the upper end portion of the bucket 6 that forms the opening 60 of the bucket 6.

  As shown in FIG. 4, the bucket 6 is detachably attached to the receiving portion 3. An opening 30 is formed inside the edge wall 31 by an edge wall 31 on the upper surface of the receiving portion 3. A groove portion 32 is formed outside the edge wall 31.

  As shown in FIGS. 2 to 4, the receiving portion 3 is an annular member placed on the pedestal portion 241. In the center of the receiving part 3, an opening part 30 surrounded by an edge wall 31 is formed. In this embodiment, the periphery of the opening 30 is closed like an O shape instead of a C shape. The periphery of the opening 30 may not be closed. An annular groove 32 is formed on the upper surface of the receiving portion 3 so as to surround the outside of the opening 30.

  Next, assembly of the portable toilet 1 will be described.

  As shown in FIG. 5, the box portion 23 of the toilet body 2 is formed in a hollow box shape whose upper surface is open. A bucket housing part 242 is formed in a concave shape at the center of the frame part 24. When the frame portion 24 is placed on the box portion 23, the lower end of the support 200 of the armrest 20 attached to the frame portion 24 is inserted into the hole 232 formed inside the box portion 23, and the pedestal The upper end portion of the box portion 23 is fitted into a recess (not shown) on the lower surface of the portion 241 so that the frame portion 24 and the box portion 23 are connected. When the frame part 24 and the box part 23 are connected, the bucket storage part 242 is stored inside the box part 23.

  As shown in FIG. 6, after connecting the frame portion 24 and the box portion 23, the receiving portion 3 is attached to the frame portion 24. The toilet seat 4 and the lid portion 5 are rotatably attached to the bearing portion 35 of the receiving portion 3. The receiving part 3 is mounted on the frame part 24 by being placed on the frame part 24. Next, the bucket 6 is attached to the receiving portion 3 with the lid 5 and the toilet seat 4 raised. The bucket 6 is mounted in the opening 30 via the edge wall 31 of the receiving portion 3. A handle 65 of the bucket 6 is supported by the protrusion 34 of the receiving portion 3. The opening 30 is larger than the opening 60, and the opening 60 is larger than the opening 40. The auxiliary lid 7 of the bucket 6 may be put directly on the bucket 6 or may be put on the toilet seat 4 so as to cover the bucket 6 from above the toilet seat 4. In this way, the portable toilet 1 is assembled.

  As described above, the toilet body 2 of the portable toilet 1 of the present invention is roughly divided into the box part 23, the frame part 24, and the receiving part 3. The toilet body 2 is applied not only when the portable toilet 1 is used but also when it is moved or cleaned. In order to increase the strength of the toilet body 2 against such an external force and prevent deformation, for example, a folded rib or a reinforcing rib is provided on the edge or side of the opening, or a lower part than the toilet seat 4 is covered with a panel. It is known to make a so-called box structure.

  However, if ribs are provided on the edges and side surfaces of the opening, the ribs may protrude from the outer peripheral surface of the toilet body 2 and may be an obstacle such that the user can easily catch the legs. On the other hand, if the lower part than the toilet seat 4 is covered with a panel to form a box structure, the moldability and the maintainability deteriorate.

  Therefore, in this embodiment, the toilet body 2 is composed of the box part 23, the frame part 24, and the receiving part 3, and the upper part of the box part 23 is covered with the recess on the lower surface of the frame part 24, The front part 231 and the front part 243 of the frame part 24 are connected so as to be flush with each other so as to be smoothly continuous. By doing in this way, each of the box part 23 and the frame part 24 can be shape | molded as resin-made integral molded products, and the whole toilet main-body part 2 can be formed firmly.

  Further, the box portion 23 has a front surface portion 231 inclined so that the outer diameter is large at the top and the outer diameter is small at the bottom. That is, the front part 231 of the box part 23 is inclined so that the lower part is relatively rearward of the upper part. By doing in this way, the user sitting on the toilet seat 4 can draw his / her foot to a position directly below the front edge of the toilet seat 4 or behind the front edge. When the user sits on the toilet seat 4 or stands up from the toilet seat 4, the user only has to move the body mainly in the vertical direction, and the sitting and rising operations are facilitated.

  Next, the bucket 6 will be described in detail.

  As shown in FIGS. 7 and 8, the bucket 6 mainly includes an accommodation portion 61 for accommodating water and filth, a handle 65 for the user to hold the bucket 6, and the bucket 6 placed on the floor surface or the like. In this case, the leg portion 66 is configured to support the accommodating portion 61. The bucket 6 has an opening 60 formed on the entire top surface. The opening 60 can be closed by an auxiliary lid 7 described later. At the upper end of the peripheral wall of the bucket 6 that forms the opening 60, a flange portion 600 that is formed to project outward from the bucket 6 is formed. The outer diameter of the flange part 600 is larger than the diameter of the opening part 30 of the receiving part 3 (FIG. 6 etc.) of the toilet body part 2. Further, the flange portion 600 includes a folded portion 601 extending downward. A handle 65 is attached to the folded portion 601. The handle 65 is attached to the folded portion 601 via the rotation shaft 651 and has an inner diameter larger than the outer diameter of the folded portion 601.

  In the accommodating part 61 of the bucket 6, a step 64 is provided at the lower part on the rear side. The step 64 is a mark indicating the height of the water surface when a predetermined volume of water is accommodated in the accommodating portion 61, and the user opens the lid 5 and the auxiliary lid 7 of the portable toilet 1. It is formed at a position where it can be easily visually recognized. The step 64 does not have to be visually recognized by the user as long as it is at least partially visible. In this embodiment, the level difference 64 is formed, for example, at a position that becomes the height of the water surface when a volume of 1 liter of water is accommodated in the accommodating portion 61. By doing so, it can be easily confirmed that a predetermined volume of water is stored, so that water can be saved, and water is not excessively stored in the storage portion 61.

  In this embodiment, a step 64 is formed on the inner wall surface of the accommodating portion 61 as a mark indicating the position of the water surface when a predetermined volume of water is accommodated in the bucket 6. For example, graduation lines, figures and characters colored in an easily visible color, grooves, protrusions, rings fitted into the entire inner periphery of the housing portion, and the like may be used.

  When the user holds the handle 65 and suspends the bucket 6 in a state where the water is accommodated in the bucket 6 up to the mark position, the rotational axis 651 of the handle 65 is the center of gravity of the bucket 6 that accommodates the water. G and the rotation shaft 651 are arranged so as to be aligned on a substantially vertical line. By doing so, when the bucket 6 containing water is removed from the portable toilet 1 and moved, it is difficult for water to spill from the bucket 6.

  The leg portion 66 of the bucket 6 is constituted by a rib that protrudes downward from the outer bottom surface of the housing portion 61. The front portion 610 of the accommodating portion 61 is inclined, and the accommodating portion 61 has a large diameter at the upper portion and a smaller diameter at the lower portion. The inside of the accommodating part 61 is formed symmetrically.

  An inclined portion 62 is formed on the inner bottom surface of the accommodating portion 61 so as to have a substantially constant inclination angle θ with respect to the horizontal plane from the front to the rear, and is higher on the front side and lower on the rear side. The inclined portion 62 is formed in a substantially flat plate shape from the front portion to the rear portion of the bottom surface of the housing portion 61. The bottom surface of the accommodating portion 61 may not be substantially flat, and may be, for example, a shape recessed in an arc shape toward the lower side. The inclined portion 62 only needs to be formed at least between the central portion in the front-rear direction of the bucket 6 and the rear end portion. In this embodiment, the inclined portion 62 is formed in a portion that occupies about two-thirds the width of the rear side of the bottom surface of the bucket 6. In this embodiment, the inclination angle θ of the inclined portion 62 with respect to the horizontal plane is 10 °. The inclination angle θ is preferably 5 ° ≦ θ ≦ 15 °.

  In this embodiment, for example, when 1 liter of water is accommodated in the accommodating part 61, the diameter of the accommodating part 61 is set so that the distance from the center of gravity G of the opening 60 to the water surface is 12 to 16 cm. An inclination angle θ is determined. When the user wipes urine or stool from the buttocks, a hand or toilet paper is inserted into the bucket 6 from the opening 60. At this time, if the distance from the opening 60 to the water surface is small, the hand or toilet paper touches the sewage, which is unsanitary. On the other hand, if the distance from the opening 60 to the water surface is large, the water may jump up when urine or feces have landed during use.

  Therefore, by setting the distance from the center of gravity G of the opening 60 to the water surface to be 12 to 16 cm, when the user wipes urine and stool from the buttocks, the user inserts his hand into the bucket 6 from the opening 60, It is possible to reduce the risk of the hand or toilet paper touching the water, and to reduce the risk of water splashing when the urine or the stool lands during use.

  The center of gravity G of the opening 60 is the center of gravity G of the surface surrounded by the peripheral edge forming the opening 60 of the bucket 6. The distance from the center of gravity G of the opening 60 to the water surface is the length of the perpendicular from the center of gravity G to the water surface when a perpendicular line is drawn from the center of gravity G toward the water surface, that is, the shortest distance between the center of gravity G and the water surface. It is.

  Thus, by forming the inclined portion 62 on the inner bottom surface of the accommodating portion 61, the water surface from the bottom surface of the accommodating portion 61 is compared with the case where the diameter of the accommodating portion 61 is the same and the inclined portion 62 is not formed. It is possible to save water by reducing the height of the water, that is, the volume of water necessary to obtain a predetermined water level.

  As shown in FIGS. 9 and 10, the inclined front portion 610 of the bucket 6 has a raised portion 611 that protrudes inward at the center and extends in a ridge shape from the upper portion to the lower portion of the bucket 6. A flange portion 612 is formed on both sides in the left-right direction of the raised portion 611 and extends in a valley shape from the upper portion to the lower portion of the bucket 6 along the raised portion 611. The collar portion 612 is formed as a recess in the inner wall surface of the front surface portion 610. The raised portion 611 and the inclined portion 62 on the bottom surface, and the flange portion 612 and the inclined portion 62 on the bottom surface are connected with a gentle curved surface, respectively.

  In this embodiment, even when the bucket 6 is placed on the floor surface, the inclined portion 62 of the bottom surface is inclined so as to be higher on the front side and lower on the rear side by the legs 66 of the bucket 6. . However, the inclined portion 62 on the bottom surface of the bucket 6 only needs to be inclined so that it is higher on the front side and lower on the rear side when the bucket 6 is attached to the opening 30 of the receiving portion 3 of the portable toilet 1. When the bucket 6 is placed on the floor, it does not have to be inclined.

  Next, the receiving part 3 to which the bucket 6 is attached will be described.

  As shown in FIG. 11, the receiving part 3 is a member whose outer shape is substantially rectangular. On the rear side of the receiving portion 3, a bearing portion 35 for rotatably attaching the toilet seat 4 and the lid portion 5 is formed. In the center of the receiving portion 3, a peripheral closed opening 30 is formed that is surrounded by an edge wall 31. The diameter of the edge wall 31 is larger than the inner diameter of the flange portion 600 at the upper end of the bucket 6 and smaller than the outer diameter.

  A closed annular groove 32 is formed on the upper surface of the receiving portion 3 so as to surround the outside of the opening 30. The groove portion 32 is formed as a concave portion, and the bottom surface 33 is closed. A protrusion 34 that protrudes upward from the bottom surface of the groove 32 is formed at the rear of the groove 32. The protrusion 34 is an example of a handle support part.

  Next, a state where the bucket 6 is attached to the receiving part 3 and the toilet seat 4 is attached to the receiving part 3 will be described.

  As shown in FIGS. 12A and 12B, when the toilet seat 4 is lowered, that is, when the user can sit on the toilet seat 4, the inside of the bucket 6 is passed through the opening 40 of the toilet seat 4. The front part 610 and the inclined part 62 on the bottom are visible. In addition, an inclined portion 62 on the bottom surface of the bucket 6 is formed over the front and rear of the position P where the width in the minor axis direction of the opening 40 of the toilet seat 4 is maximum. In particular, the inclined portion 62 is preferably formed in the entire region from the front end to the rear end of the bottom portion of the accommodating portion 61.

  Thus, the urine easily hits the raised portion 611 at the time of urination by arranging the raised portion 611 from the upper part to the lower part of the front surface part 610 of the bucket 6 at a position where it can be visually recognized through the opening 40 of the toilet seat 4. Since the protruding portion 611 protrudes toward the user and is closer to the user than the other portions of the front surface portion 610 of the bucket 6, the sound during urination is compared with the case where the protruding portion 611 is not formed. Can be weakened.

  In addition, since the collar part 612 is formed from the upper part to the lower part of the front surface part 610 of the bucket 6, when the user or caregiver cleans the inside of the accommodating part 61 with a brush or the like, It becomes easy to move from the upper part of the front surface part 610 of the bucket 6 to the lower part, preferably further to the inclined part 62 along the extending direction. By doing in this way, cleaning of the bucket 6 which accommodates filth can be made easy.

  In addition, as described above, the inclined portion 62 on the bottom surface of the bucket 6 is formed at least vertically before and after the position where the width in the minor axis direction of the opening 40 of the toilet seat 4 is maximized. The stool or the like excreted easily falls on the inclined portion 62. The stool or the like dropped on the inclined portion 62 slides down the inclined portion 62 to the lower side, that is, rearward, and easily flows down into the water stored in the accommodating portion 61. Furthermore, the water splash can be suppressed by dropping the feces or the like into a shallow water position on the inclined portion 62.

  As shown in FIG. 13, the bucket 6 is mounted in the opening 30 of the receiving portion 3 with the lower surface of the flange portion 600 supported by the upper end of the edge wall 31. The folded portion 601 of the flange portion 600 faces the outer surface of the edge wall 31. In this manner, the position of the bucket 6 can be stabilized by sandwiching the edge wall 31 between the outer peripheral wall surface of the accommodating portion 61 of the bucket 6 and the inner surface of the folded portion 601. Further, for example, when the portable toilet 1 is shaken or shocked, and water or filth contained in the bucket 6 jumps up, the water passes through the gap between the bucket 6 and the receiving portion 3. Thus, it is stored in the groove 32 without falling. By doing in this way, even when the water in the bucket 6 jumps up and spills from the upper end of the bucket 6, it is not necessary to clean the entire portable toilet 1, and it is only necessary to clean the groove 32.

  Further, at least a part of the handle 65 of the bucket 6 is accommodated in the groove portion 32, but on the rear side, it is supported from below by a projection 34 protruding upward from the bottom surface 33 of the groove portion 32, and at least the rear side. In FIG. 5, the fingertip of the hand is supported so as to be separated from the bottom surface 33 of the groove 32. By doing so, the user can easily grasp the handle 65 without touching the water or dirt that spills from the upper end of the bucket 6 and accumulates in the groove portion 32. In addition, although the protrusion 34 as a support part of the handle 65 is formed in the rear part in the groove part 32 in this embodiment, it may be formed in the front side.

  Next, the auxiliary lid 7 will be described.

  As shown in FIGS. 14 to 16, the auxiliary lid 7 has a recess on the inner side of the peripheral portion on the upper surface, and a handle 74 protruding upward at the central portion. The auxiliary lid 7 has a lid plate portion 70 having a size capable of covering the entire opening 40 of the toilet seat 4 from above, and a lid back protruding so as to bulge downward from the lower surface of the lid plate portion 70. The protrusion 71 and the dam part 73 which protrudes in the shape of a wall in the downward direction from the lower surface of the cover back protrusion 71 at least on the front side or the rear side of the cover back protrusion 71 are included. The dam portion 73 is formed with a concave portion 72 that is recessed relative to the dam portion 73. In this embodiment, the dam portion 73 extends inside the entire periphery of the lid back protrusion 71. The outer shape of the lid back protrusion 71 on the lid plate 70 is substantially similar to the shape of the opening 40 of the toilet seat 4 and is smaller than the opening 40 of the toilet seat 4.

  As shown in FIG. 17, as an example, the auxiliary lid 7 is configured such that the peripheral edge of the lid plate portion 70 is placed on the flange portion 600 of the bucket 6, covers the opening 60 of the bucket 6 from above, and closes. 4 openings 40 are covered from below and closed. As another example, the peripheral wall of the cover plate portion 70 may be placed on the toilet seat 4, and the opening 40 of the toilet seat 4 and the opening 60 of the bucket 6 may be covered and closed from above. When the bucket 6 is removed from the portable toilet 1 and moved, the auxiliary lid 70 is placed on the flange portion 600 of the bucket 6 so as to directly close the opening 60 of the bucket 6.

  Condensed water and water splashed from the bucket 6 are likely to adhere to the lid back protrusion 71 of the auxiliary lid 7. By forming the weir portion 73 at least on the front side or the rear side of the lid back protrusion 71, when the user lifts the auxiliary lid 7 while bending the wrist up or down, Condensed water or the like adhering to the protrusion 71 is stored in the recess 72. When the auxiliary lid 7 is tilted, the water stored in the concave portion 72 is blocked by the dam portion 73 and hardly falls down. By doing in this way, it becomes possible to prevent the dew condensation etc. which adhered to the lid | cover back protrusion part 71 to fall carelessly on the toilet seat 4 or the portable toilet 1 carelessly.

  In addition, the dam part 73 may be extended to the perimeter of the lid | cover back protrusion part 71 like this embodiment, for example in strip | belt shape at least in the front side or a part of back side of the lid | cover back protrusion part 71. It may be formed. Further, the dam portion 73 does not have to have a wall shape extending orthogonally to the lower surface of the lid back protrusion 71. For example, the lid 73 covers a part of the lid back protrusion 71 to form a pocket. You may protrude from the back protrusion part 71. FIG.

  As described above, the portable toilet 1 according to the present invention is summarized as follows.

  The portable toilet 1 includes a receiving portion 3 of the toilet body 2 having an upper surface portion in which an opening portion 30 defined by an edge wall 31 is formed, and an opening portion 30 of the receiving portion 3 through the edge wall 31 of the upper surface portion. A bucket 6 having an opening 60 detachably mounted therein, and a toilet seat 4 having an opening 40 and rotatably attached to the upper surface portion of the receiving portion 3 above the bucket 6 are provided.

  Bucket 6 has a front surface portion 610 and a bottom surface portion. The front surface part 610 is raised toward the inside of the bucket 6 and extends in a ridge shape from the upper part to the lower part of the bucket 6. The front part 610 is disposed on both sides in the left-right direction of the raised part 611. And a brim portion 612 extending in a valley shape from the top to the bottom of the bucket 6. The bottom surface of the bucket 6 has a substantially constant inclination angle θ with respect to the horizontal plane from the front to the rear in a state where the bucket 6 is mounted in the opening 30 of the receiving portion 3, and the front side is high, An inclined portion 62 is disposed so that the rear side is lowered.

  Further, in the portable toilet 1, the inclined portion 62 is a position where the width of at least the opening 40 of the toilet seat 4 in the minor axis direction is maximum when the bucket 6 is mounted in the opening 30 of the receiving portion 3. It is arranged vertically under P.

  In the portable toilet 1, the inclination angle θ of the inclined portion 62 with respect to the horizontal plane is preferably at least 5 ° or more when the bucket 6 is mounted in the opening 30 of the receiving portion 3.

  In the portable toilet 1, a step 64 indicating the position of the water surface when a predetermined volume of water is accommodated in the bucket 6 is provided on the inner wall surface of the bucket 6.

  In the portable toilet 1, the bucket 6 has a handle 65 that is pivotally supported by a rotation shaft 651 so as to be rotatable with respect to the bucket 6, and the rotation shaft 651 is in the bucket 6. When the user holds the handle 65 and suspends the bucket 6 while containing water up to the level of the step 64, the gravity center G of the bucket 6 containing water and the rotation shaft 651 are aligned on a substantially vertical line. Are arranged to be.

  Further, in the portable toilet 1, a groove portion 32 is formed outside the edge wall 31 on the upper surface of the upper surface portion of the receiving portion 3 of the toilet body portion 2.

  Further, in the portable toilet 1, the groove portion 32 is configured such that at least a part of the handle 65 is accommodated in the groove portion 32 in a state where the bucket 6 is mounted in the opening portion 30 of the receiving portion 3. ing.

  In addition, the portable toilet 1 has an inner bottom surface 33 of the groove portion 32 in a state where at least a part of the handle 65 is accommodated in the groove portion 32 with the bucket 6 mounted in the opening portion 30 of the receiving portion 3. A protrusion 34 is provided to support the handle 65 so as to be separated from the handle 65.

  In the portable toilet 1, the bucket 6 includes a flange portion 600 that is formed so as to project outside the bucket 6. The outer diameter of the flange portion 600 is larger than the diameter of the opening 30 of the receiving portion 3. Further, the flange portion 600 includes a folded portion 601 extending downward, and the folded portion 601 has an edge wall 31 inside the groove portion 32 in a state where the bucket 6 is mounted in the opening 30 of the receiving portion 3. It arrange | positions so as to oppose the side surface.

  In order to confirm the effect of the portable toilet of the present invention, the following experiment was conducted. The portable toilet described in the above-described embodiment was used as a portable toilet that is a target for evaluating the effect. The thickness of the toilet seat was 4 cm on average. The opening of the bucket was oval with a minor axis of 24 cm and a major axis of 34 cm. The deepest portion of the bucket was 18 cm from the center of gravity of the opening. When 1 liter of water was put in the bucket, the distance from the center of gravity of the opening to the water surface was 15 cm.

(1) Prevention of filth deposits on the inner wall of the bucket In order to confirm whether or not the artificial stool adheres to the inner bottom surface of the bucket when the artificial stool drops freely from the toilet seat opening toward the inner bottom surface of the bucket. The artificial stool was dropped on a resin plate that had been inclined and immersed in water, and the degree of adhesion of the artificial stool on the resin plate was evaluated. When the simulated stool was dropped, the distance from the upper end of the simulated stool to the water surface was 19 cm.

  The artificial stool used a mixture of miso, silica, talc, octanoic acid, and water as materials. The size was about 30 mm in diameter, about 100 mm in length, and the weight was about 64 g. The material of the resin plate was polypropylene. The angles of the inclined surfaces were 3 °, 5 °, 10 °, and 15 °.

  The results are shown in Table 1. In Table 1, “◯” indicates that the artificial stool slips off and does not adhere to the resin plate, “Δ” indicates that the artificial stool slips off, but adhesion to the resin plate is also observed, and “×” indicates that the pseudo stool does not adhere to the resin plate. The case where the stool hardly slips down and adheres to the resin plate is shown.

(2) Prevention of water splashing during use In order to confirm whether water splashing occurs when artificial stool falls freely from the toilet seat opening toward the inner bottom surface of the bucket, From the height of the toilet seat upper surface of the portable toilet of the embodiment, it was allowed to fall freely into the bucket, and the presence or absence of water splashing was evaluated. When the artificial stool is dropped freely, the upper end of the artificial stool is set to the height of the upper surface of the toilet seat. A plurality of buckets with different depths were prepared, and each bucket contained 1 liter of water so that the distance from the center of gravity of the opening of the bucket to the water surface was different depending on the bucket. The simulated stool was the same as the above (1). From the upper surface of the toilet seat, the opening was covered with a transparent plastic plate with holes for dropping simulated stool, and the number of splashed water droplets was counted. The experiment was repeated 5 times for each height.

  The results are shown in Table 2. In Table 2, the score represents the total number of water droplets splashed in five experiments.

(3) Hygiene when the user wipes the buttocks When the user wipes the buttocks with toilet paper, is the hand or toilet paper inserted through the toilet seat opening touching the water stored in the bucket? I confirmed it. The subject sits on the toilet seat of the portable toilet of the above-mentioned embodiment, and puts his hand into the toilet from the front side of the body (front wiping) and from the back side of the body (back wiping), and the hand and toilet paper do not get wet The height of the water surface was examined. A plurality of buckets with different depths were prepared, and each bucket contained 1 liter of water so that the distance from the center of gravity of the opening of the bucket to the water surface was different depending on the bucket.

  The results are shown in Table 3. In Table 3, “◯” represents the case where neither the hand nor the toilet paper touched water, and “X” represents the case where the hand or toilet paper touched the water.

  Based on the above results, the inclination angle θ of the inclined portion is preferably 5 ° ≦ θ ≦ 15 °, and the distance from the center of gravity of the opening of the bucket to the water surface is within the range of 12 to 16 cm. It was found that the wall surface is hard to get dirty and can easily maintain hygiene.

  The embodiment disclosed above should be considered as illustrative in all points and not restrictive. The scope of the present invention is defined by the terms of the claims, rather than the description above, and includes all modifications within the scope and meaning equivalent to the terms of the claims.

  1: portable toilet, 2: toilet body part, 3: receiving part, 30: opening part of receiving part, 31: edge wall, 32: groove part, 33: bottom surface, 34: protrusion, 4: toilet seat, 40: opening of toilet seat Part, 6: bucket, 60: opening part of bucket, 600: flange part, 601: folded part, 610: front part, 611: protuberance part, 612: collar part, 62: inclined part, 64: step, 65: handle 651: Rotating shaft, 7: Auxiliary lid, 70: Lid plate portion, 71: Lid rear projection, 73: Weir portion.

Claims (9)

A toilet main body having an upper surface formed with a first opening defined by an edge wall;
A bucket having a second opening, which is detachably mounted in the first opening via the edge wall of the upper surface;
A toilet seat having a third opening and pivotally attached to the upper surface above the bucket;
The bucket has a front surface portion and a bottom surface portion connected to the front surface portion via a connection portion ,
The front portion is raised toward the inside of the bucket, and extends from the top of the bucket and ends at the connection portion between the front portion and the bottom portion, and the raised portion A trough-shaped ridge that is disposed on both sides in the left-right direction along the raised portion over the entire length of the portion , and extends from the upper portion of the bucket and ends at the connecting portion between the front surface portion and the bottom surface portion. Including
The bottom surface portion has a substantially constant inclination angle of 5 ° or more and 15 ° or less with respect to a horizontal plane from the front to the rear in a state where the bucket is mounted in the first opening. A portable toilet that includes a ramp that is arranged so that the side is high and the back side is low.   The inclined portion is disposed vertically below a position where the width of the minor axis direction of the third opening is maximized in a state where the bucket is mounted in the first opening. The portable toilet according to claim 1. The portable toilet according to claim 1 or 2 , wherein a mark indicating a position of a water surface when a predetermined volume of water is stored in the bucket is provided on an inner wall surface of the bucket. The bucket has a handle pivotally supported on a rotation shaft so as to be rotatable with respect to the bucket.
When the user holds the handle and suspends the bucket in a state where the water is accommodated up to the position of the mark in the bucket, the pivot shaft and the center of rotation of the bucket accommodating the water are The portable toilet according to claim 3 , wherein the portable toilet is arranged so as to be aligned with a substantially vertical line. Wherein the outside of said edge walls at the upper surface of the top portion are formed grooves, portable toilet according to claims 1 to 4. The bucket has a handle pivotally supported on a rotation shaft so as to be rotatable with respect to the bucket.
6. The groove according to claim 5 , wherein the groove is configured such that at least a part of the handle is accommodated in the groove in a state where the bucket is mounted in the first opening. Portable toilet. The inner bottom surface of the groove and the handle are separated from each other in a state where at least a part of the handle is accommodated in the groove with the bucket being mounted in the first opening. The portable toilet according to claim 6 , further comprising a handle support portion that supports the handle. The bucket includes a flange portion formed so as to protrude to the outside of the bucket;
The flange portion includes a folded portion extending downward,
The outer diameter of the flange portion is larger than the diameter of the first opening,
The folded portion, in a state in which the bucket is mounted in said first opening, said are arranged to face a side surface of said edge wall inside the groove, the claims 5 to claim 7 The portable toilet according to any one of the above. The bucket includes a flange portion formed so as to project outwardly of the bucket, the outer diameter of the flange portion is larger than the diameter of the first opening, one of the claims 1 to 7 The portable toilet according to item 1.

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