JP2015017670A - Shaft holding structure and portable toilet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a new structure for holding a shaft.SOLUTION: A shaft holding structure 800 is applied to a structure for adjusting the length of leg portions 501, 502, 601, and 602 of a portable toilet 10. The shaft holding structure 800 is equipped with the leg portions 501, 502, 601, and 602 as shafts, a toilet bowl body 100 as a base material, cylindrical materials 802 installed to the leg portions 501, 502, 601, and 602; and a coupling member 804. The cylindrical materials 802 are attached to the leg portions 501, 502, 601, and 602, installed to a holding portion 821 of the toilet bowl body 100, and fixed by the coupling member 804. The cylindrical materials 802 are attached to optional positions in the length direction of the leg portions 501, 502, 601, and 602. The length of the leg portions 501, 502, 601, and 602 is adjusted by adjusting the positions of the cylindrical materials 802 attached to the leg portions 501, 502, 601, and 602.

Description

  The present invention relates to a shaft holding structure. The shaft holding structure proposed here can be applied to, for example, a holding structure for legs attached to a toilet body of a resin portable toilet. Here, the portable toilet is, for example, a toilet that can be placed beside a bed and used for nursing care. The portable toilet can also be called a nursing toilet or a simple toilet. The shaft holding structure proposed here is not limited to the toilet body of a portable toilet made of resin, and can be applied to various uses.

  The portable toilet may have a structure that changes its height depending on the physique of the user, and various structures have been proposed. For example, Japanese Patent Application Laid-Open No. 2001-346718 discloses a form in which a leg having a groove formed on the outer surface is engaged with a protrusion provided in a circular hole provided in a bottom plate of a main body. Various structures have been proposed in Japanese Patent Application Laid-Open Nos. 2010-240165 and 2012-239441 as structures for changing the height of a portable toilet.

JP 2001-346718 A JP 2010-240165 A JP 2012-239641 A

  When changing the length of the leg portion at the site where the leg portion is attached to the toilet body of the portable toilet, it is desirable that the rattling of the leg portion be suppressed to be small. In addition, it is desirable that the length can be changed relatively easily and the number of parts is small. Here, we propose a new structure for changing the length of the leg of a portable toilet. Moreover, the structure proposed here can be applied not only to the leg portion of the portable toilet as a shaft holding structure for holding the shaft but also to other uses having a structure for holding various shafts.

  The shaft holding structure proposed here includes a shaft, a base material that holds one end of the shaft, a cylindrical member that is attached to the shaft, and a connecting member that connects the cylindrical material to the base material. Here, the base material has a substantially cylindrical holding portion that holds one end of the shaft, and a locking portion that locks the connecting member on the outer side of the holding portion. A plurality of first engaging portions are provided on the outer peripheral surface of the shaft along the length direction of the shaft. Further, the cylindrical member has an outer shape that can be elastically expanded and contracted and can be fitted into the holding portion. The tubular member is attached to the shaft, and at least in the length direction of the shaft with respect to an arbitrary first engagement portion among the plurality of first engagement portions provided along the length direction of the shaft. It has the 1st to-be-engaged part which can be engaged, and the 2nd engaging part to which a connection member engages. The connecting member includes a second engaging portion of the cylindrical member, a second engaged portion that engages in the axial direction of the cylindrical member, and a locked portion that is locked to the locking portion provided in the holding portion. I have. In such a shaft holding structure, the length of the shaft held on the substrate can be adjusted.

  Here, the side surface of the cylindrical member may be opened in the circumferential direction. In this case, the cylindrical material may have a structure in which the inner diameter is elastically expanded by opening the opening. Further, the edge of at least one end of the opening formed on the side surface of the cylindrical member may have a protrusion protruding in the outer diameter direction.

  Moreover, the 1st to-be-engaged part may be provided with two or more along the axial direction of a cylinder material. In this case, it is preferable that the plurality of first engaged portions of the tubular material engage with the plurality of first engaging portions of the shaft in a state where the tubular material is mounted on the shaft.

  Further, the first engaging portion formed on the shaft may be a protrusion protruding from the outer peripheral surface of the shaft. The 1st to-be-engaged part formed in the cylinder material is good in it being a recessed part or hole in which a 1st engaging part fits. In this case, when the cylindrical member is rotated while protruding from the inner peripheral surface of the cylindrical member and mounted on the shaft, the cylindrical member hits the first engaging portion of the shaft, and the first engaging portion of the cylindrical member contacts the first engaging portion of the shaft. It is good to provide the guide which guides a cylinder with respect to an axis so that an engaging part may fit.

  Moreover, the 1st engaging part formed in the axis | shaft may be the recessed part or hole formed in the outer peripheral surface of an axis | shaft. The 1st to-be-engaged part formed in the cylinder material is good in it being a protrusion fitted to a 1st engaging part. Further, in this case, when the tubular member is projected on the outer peripheral surface of the shaft and is mounted on the shaft, the tubular member hits the first engaged portion of the tubular member, and the tube is brought into contact with the first engaging portion of the shaft. It is good to provide the guide which guides a cylindrical material with respect to an axis | shaft so that the 1st to-be-engaged part of material may fit.

  The outer peripheral surface of the cylindrical member may have an outer diameter that gradually increases along the axial direction of the cylindrical member from a portion that is fitted into the inner part of the holding portion. Further, the connecting member may be a ring-shaped member that can be attached to the cylindrical member. Further, the second engaging portion may be a protrusion or a step protruding on the outer peripheral surface of the cylindrical member, and the second engaged portion may be a protrusion protruding toward the inner diameter side on the inner peripheral surface of the connecting member. . Moreover, the 2nd engaging part may be provided continuously in the circumferential direction of the cylindrical material.

  Further, the locking portion may be a male screw formed on the outer peripheral surface of the holding portion, and the locked portion may be a female screw formed on the inner peripheral surface of the connecting member corresponding to the locking portion. . The locking portion may be a groove formed on the outer peripheral surface of the holding portion, and the locked portion may be a protrusion formed on the inner peripheral surface of the connecting member corresponding to the locking portion. . Further, the locking portion may be a protrusion formed on the outer peripheral surface of the holding portion, and the locked portion may be a groove formed on the inner peripheral surface of the connecting member corresponding to the locking portion. .

  Moreover, the holding | maintenance part may have a cylindrical member in which the cylinder material with which the axis | shaft was mounted | worn can be inserted. In this case, the base material may have a boss portion to which the cylindrical member is attached. Moreover, the cylindrical member may have a step protruding in the outer diameter direction and hitting one end side of the boss portion, and a claw portion hooked on the other end side of the boss portion.

FIG. 1 is a perspective view of a portable toilet 10. FIG. 2 is a perspective view of the portable toilet 10. FIG. 3 is a perspective view of the portable toilet 10. FIG. 4 is a perspective view of the portable toilet 10. FIG. 5 is a plan view of the toilet body 100. FIG. 6 is a side view showing the left side of the toilet body 100. FIG. 7 is a sectional view taken along the line VII-VII in FIG. 6 and is a longitudinal sectional view of the toilet body 100. FIG. 8 is a longitudinal sectional view of the toilet main body 100 in which the bucket 40 and the tray 50 are arranged. FIG. 9 is a bottom view of the upper member 210. FIG. 10 is an enlarged cross-sectional view in which the cross section of the peripheral edge portion of the upper member 210 is enlarged. FIG. 11 is a plan view of the lower member 220. FIG. 12 is an enlarged cross-sectional view in which the cross-section of the peripheral portion of the lower member 220 is enlarged. FIG. 13 is a perspective view showing the left armrest 300. FIG. 14 is a cross-sectional plan view of the armrest base 301 taken across the hollow shaft 314 (414). FIG. 15 is a plan view of the portable toilet 10. FIG. 16 is a side view showing a shaft holding structure 800 provided on the left leg portions 501 and 502 of the portable toilet 10. FIG. 17 is a side view showing a shaft holding structure 800 provided on the left leg portions 501 and 502 of the portable toilet 10. FIG. 18 is a side view of the left leg portions 501 and 502 as viewed from the inside (right side) of the portable toilet 10. FIG. 19 is a cross-sectional view showing the inner peripheral surface of the cylindrical member 823 (the inner peripheral surface outside the portable toilet 10). FIG. 20 is a side view of the right leg 600 as viewed from the outside (right side) of the portable toilet 10. FIG. 21 is a side view of the right leg 600 as viewed from the inside (left side) of the portable toilet 10. FIG. 22 is a perspective view of the tubular member 802. FIG. 23 is a longitudinal sectional view showing a state in which the tubular member 823 is fitted into the tubular member 823 and the connecting member 804 is attached. FIG. 24 is a longitudinal sectional view showing a state in which the tubular member 823 is fitted into the tubular member 823 and the connecting member 804 is attached.

  Hereinafter, the shaft holding structure proposed here will be described with reference to the drawings. Here, a portable toilet in which the shaft holding structure is applied to a structure that adjusts the length of the leg is taken as an example. In the following description, with respect to portable toilets, front, back, left, and right are based on directions viewed from the user sitting on the toilet seat. In the drawing, symbols F, Bk, L, and R are appropriately assigned to the front (F), back (Bk), left (L), and right (R), respectively. Moreover, in each figure, the same code | symbol is attached | subjected to the member and site | part which show | plays the same effect | action, and the description which overlaps suitably is abbreviate | omitted.

  Here, the outline of the portable toilet will be explained first, and then the structure for adjusting the length of the leg of the portable toilet, in other words, the shaft holding structure adopted for the structure for adjusting the height of the portable toilet will be explained. To do. The shaft holding structure proposed here can be adopted not only for the structure for adjusting the height of the portable toilet but also for various applications.

<Portable toilet 10>
1 to 4 are perspective views of the portable toilet 10, respectively. Here, FIG. 1 shows a state in which the lid 20 is opened (a state in which the lid 20 is raised). FIG. 2 shows a state in which the toilet seat 30 is lifted from the state of FIG. 1 and the lid 42 (bucket lid) of the bucket 40 and the left armrest 300 are removed. FIG. 3 is a perspective view of the portable toilet 10 showing a state where the bucket 40 is removed from the state of FIG. Furthermore, FIG. 4 is a perspective view of the portable toilet 10 showing a state in which the tray 50 (receiving plate) is taken out from the state of FIG.

  As shown in FIGS. 1 to 4, the portable toilet 10 includes a lid 20, a toilet seat 30, a bucket 40, a tray 50, a toilet body 100, a backrest 250, armrests 300 and 400, and legs 500 and 600. And a deodorizing device 750 (see FIG. 5).

<< Lid 20 >>
The lid 20 is a member that covers the toilet seat 30 of the portable toilet 10. In this embodiment, as shown in FIG. 1, the lid 20 is a rectangular member, and a hinge 21 is attached to the rear edge. The lid 20 rotates around the hinge 21 as an axis. The lid 20 has a hinge 22 attached to an intermediate portion in the front-rear direction. The lid 20 can be bent at an intermediate portion in the front-rear direction by a hinge 22. The folded lid 20 can pass through the opening 251 provided in the backrest 250. By passing the lid 20 through the opening 251 provided in the backrest 250, the posture of the lid 20 is raised to the posture placed on the toilet seat 30 in front of the backrest 250 (see FIG. 15) and behind the backrest 250. The position can be appropriately changed depending on the posture (the state shown in FIG. 1).

《Toilet seat 30》
As shown in FIG. 1, the toilet seat 30 is disposed at the center of the upper surface of the toilet body 100. In this embodiment, the toilet seat 30 is attached to the toilet body 100 via a hinge 31 provided at the rear edge. Then, the posture of the toilet seat 30 can be appropriately changed between a posture arranged on the upper surface of the toilet body 100 as shown in FIG. 1 and a posture pulled up from the upper surface of the toilet body 100 as shown in FIG. . In this embodiment, the toilet seat 30 has a seat surface on which the user receives the buttocks. An opening 32 is formed in the center of the toilet seat 30.

<< bucket 40 >>
The bucket 40 is a bucket that receives the defecation of the user, and may be referred to as a “dirt receiver”. In this embodiment, the bucket 40 is a bottomed container having an open top and a deep bottom. As shown in FIGS. 3 and 4, the toilet body 100 has a recessed housing portion 101 that houses the bucket 40. The accommodating part 101 can also be called "sewage receptacle". The bucket 40 and the accommodating part 101 have irregular shapes, and the bucket 40 is accommodated in the accommodating part 101 in a predetermined orientation. As shown in FIG. 2, a handle 41 is attached to the upper edge of the bucket 40. In a state where the bucket 40 is accommodated in the accommodating portion 101, the handle 41 is rotated to the rear of the bucket 40. Further, as shown in FIG. 1, a lid 42 (bucket lid) is attached to the opening of the bucket 40.

<< Tray 50 >>
In this embodiment, as shown in FIG. 3, a tray 50 is placed on the upper part of the toilet body 100 so as to surround the accommodating portion 101 of the toilet body 100. The tray 50 is placed on the upper surface of the toilet body 100. A toilet seat 30 is disposed on the tray 50. In the center of the tray 50, an opening 51 having a shape that matches the upper opening of the storage portion 101 is formed. On the edge of the opening 51 of the tray 50 and the outer edge of the tray 50, walls 52 and 53 that are continuously raised upward are respectively provided. The dirty water that has fallen on the tray 50 is received on the upper surface of the tray 50 by the walls 52 and 53. The tray 50 is provided with a base 54 to which the hinge 31 of the toilet seat 30 is attached.

<Toilet bowl body 100>
Next, the toilet body 100 will be described. As shown in FIG. 4, the toilet body 100 includes a storage portion 101, an upper surface portion 102, an outer shell portion 103, and a bottom portion 104. Here, FIG. 5 is a plan view of the toilet body 100. FIG. 6 is a side view showing the left side of the toilet body 100. FIG. 7 is a sectional view taken along the line VII-VII in FIG. 6 and is a longitudinal sectional view of the toilet body 100. FIG. 8 is a view in which a bucket 40 and a tray 50 are added to the longitudinal sectional view of the toilet main body 100 shown in FIG.

<< Container 101 >>
As shown in FIGS. 7 and 8, the accommodating portion 101 is a recessed portion in which the bucket 40 is accommodated. In this embodiment, the upper edge 43 of the bucket 40 is bent outward continuously in the circumferential direction. The bucket 40 is accommodated in the accommodating portion 101 of the toilet main body 100 from the opening 51 of the tray 50, and the upper edge 43 of the bucket 40 is hooked on the upper end of the wall 52 rising continuously from the periphery of the opening 51 of the tray 50. It is placed. In this embodiment, a deodorizing device attaching portion 215 (see FIG. 5) for attaching the deodorizing device 750 is provided at the rear portion of the toilet body 100. A deodorizing duct 700 that guides odor to the deodorizing device 750 is attached to the rear portion of the housing unit 101. Further, in this embodiment, a receiving portion 216 that receives drainage from the deodorizing duct 700 and a groove-shaped discharge path 216 a that guides the wastewater received by the receiving portion 216 to the receiving portion 101 are provided in the rear portion of the receiving portion 101. Yes.

<< Top part 102 >>
As shown in FIGS. 3, 4, 7, and 8, the upper surface portion 102 is provided around the upper portion of the accommodating portion 101. As shown in FIG. 1, the toilet seat 30 is disposed on the upper surface portion 102. In this embodiment, as shown in FIGS. 1 and 8, the tray 50 is disposed on the upper surface portion 102, and the toilet seat 30 is disposed thereon. As shown in FIG. 5, armrest mounting portions 211 and 212 and backrest mounting portions 213 and 214 are provided on the upper surface portion 102.

<< Outer part 103, Bottom part 104 >>
As shown in FIG. 7, the outer shell 103 is a part that surrounds at least the outer surface 111 of the housing 101. The bottom 104 is a portion that is continuous from the lower end of the outer shell 103 and forms the bottom of the toilet body 100. The portable toilet 10 has a surface 112 (in this embodiment, a peripheral side surface of the periphery of the upper surface portion 102) and a surface 113 (this surface) forming the outer shell portion 103 at least on the front surface of the toilet body 100. In the embodiment, the side surface of the outer shell 103 is continuous. Furthermore, the surface 113 that forms the outer portion 103 and the surface 114 that forms the bottom portion 104 are continuous. The legs 500 and 600 of the portable toilet 10 are independently attached to the left and right of the bottom 104 of the toilet body 100 as shown in FIG.

  Here, the term “continuous surfaces” means that the surfaces are connected in series. For example, here, at least on the front surface of the toilet body 100, a surface 112 that forms the periphery of the upper surface portion 102 that forms the outer portion 103 of the portable toilet 10 and a surface 113 that forms the outer portion 103 are connected in series. Yes. Moreover, in this embodiment, the toilet bowl main body 100 is comprised by the upper side member 210 and the lower side member 220 so that it may mention later. Here, the upper member 210 and the lower member 220 are combined so that the outer surfaces are continuously connected. In such a place, it is assumed that “the surface is continuous”. In addition, some unevenness and steps on the design do not matter.

  In the portable toilet 10, as shown in FIGS. 1, 6, 7, and 8, the outer surface 111 of the housing portion 101 that houses the bucket 40 is surrounded by the outer shell portion 103. For this reason, the accommodating part 101 which accommodates the bucket 40 is hard to see on an external appearance. In addition, on the front surface of the portable toilet 10, a surface 112 that forms the periphery of the upper surface portion 102 and a surface 113 that forms the outer shell portion 103 are continuous. In addition, a surface 113 that forms the outer portion 103 (in this embodiment, a side surface of the outer portion 103) and a surface 114 that forms the bottom portion 104 are continuous. That is, on the front surface of the portable toilet 10, the edges of the members constituting the toilet body 100 do not protrude downward. For this reason, on the front surface of the portable toilet 10, the feet of the user and the assistant are not easily caught on the lower end of the portable toilet 10.

  Further, on the front surface of the portable toilet 10, the outer portion 103 of the toilet main body 100 is inclined rearward from the peripheral edge of the upper surface portion 102 toward the bottom portion 104. For this reason, as shown in FIG. 1, a space S <b> 1 in which a user sitting on the portable toilet 10 draws his / her feet near the body is formed in the lower front portion of the portable toilet 10 at the user's feet. If there is such a space S <b> 1 in the lower front portion of the portable toilet 10, the user can draw his / her feet near his / her center of gravity while sitting on the portable toilet 10, and can easily stand up from the portable toilet 10. Further, since there is a space S <b> 1 in which the assistant can step on the front surface of the portable toilet 10, it is easy to assist the user to transfer between the bed and the portable toilet 10. Further, in this embodiment, the outer shell 103 of the toilet main body 100 is formed by a surface in which the front surface of the portable toilet 10 and the left and right side surfaces are continuous, and is slightly inward as it goes from the periphery of the top surface 102 to the bottom 104. It is inclined to. Due to the outer shape, the toilet main body 100 is unlikely to get in the way when the user changes to the bed.

<< Upper member 210 and lower member 220 >>
In this embodiment, the portable toilet 10 is made of resin (resin molded product). The toilet body 100 is composed of an upper member 210 and a lower member 220, and has a structure in which the upper member 210 and the lower member 220 are combined vertically. With this structure, the toilet body 100 can be easily manufactured by resin molding, and the required rigidity of the toilet body 100 is ensured.

  Here, the upper member 210 includes the accommodating portion 101 and the upper surface portion 102 of the toilet body 100. The lower member 220 includes at least a part of the outer shell portion 103 and the bottom portion 104. The upper member 210 may include the accommodating portion 101 and the upper surface portion 102, and may include a part (upper portion) of the outer shell portion 103. Further, the lower member 220 may include at least a part (lower part) of the outer shell part 103 and the bottom part 104, and may not include a part (upper part) of the outer shell part 103. Further, the upper surface portion 102 and the outer shell portion 103, and the outer shell portion 103 and the bottom portion 104 are not clearly defined.

<< Upper member 210 >>
FIG. 9 is a bottom view of the upper member 210. FIG. 10 is an enlarged cross-sectional view in which the cross section of the peripheral edge portion of the upper member 210 is enlarged. In this embodiment, the upper member 210 is an integral molded product. As shown in FIGS. 5, 8, and 9, the upper member 210 includes a housing part 101 in which the bucket 40 is housed and an upper surface part 102. Further, the upper surface portion 102 is provided with armrest mounting portions 211 and 212, backrest mounting portions 213 and 214, and a deodorizing device mounting portion 215. The armrest mounting portions 211 and 212, the backrest mounting portions 213 and 214, and the deodorizing device mounting portion 215 will be described later.

  As shown in FIG. 9, the periphery of the upper member 210 is bent downward over the entire circumference. As shown in FIG. 10, the lower edge 210a of the upper member 210 has a step 210a1 on the inner side over the entire circumference, except for the deodorizing device mounting portion 215, and extends downward along the outer surface. Is provided.

  As shown in FIG. 9, a plurality of pins 210 b for assembling the upper member 210 and the lower member 220 are provided on the periphery of the upper member 210. The pin 210b is provided inside the toilet main body 100, and protrudes downward on the bottom surface of the upper member 210. In this embodiment, the pins 210 b are provided at the four corners of the substantially rectangular upper member 210. In addition, a plurality of screw holes 210 c for assembling the upper member 210 and the lower member 220 are formed on the periphery of the upper member 210. Further, ribs are appropriately disposed on the back surface (inner surface) of the upper member 210. Further, the bottom 101a of the accommodating portion 101 has a bottom rib 101a1 that protrudes downward along the periphery of the bottom. In addition, a mounting hole 210d for mounting the deodorizing device 750 is formed in the peripheral portion of the deodorizing device mounting portion 215 at the rear of the upper member 210.

<< Lower member 220 >>
FIG. 11 is a plan view of the lower member 220. FIG. 12 is an enlarged cross-sectional view in which the cross-section of the peripheral portion of the lower member 220 is enlarged. In this embodiment, the lower member 220 is an integrally molded product. The lower member 220 includes a bottom portion 104 and an outer shell portion 103. The lower member 220 has a substantially rectangular box shape with a bottom as a whole, and an opening 104 a is formed in the bottom portion 104 at a portion facing the bottom 101 a of the housing portion 101 of the upper member 210. A protrusion 104a1 continuous in the circumferential direction is provided on the edge of the opening 104a. The protrusion 104a1 rises inside the bottom rib 101a1 formed on the bottom 101a of the accommodating portion 101 of the upper member 210 when the upper member 210 and the lower member 220 are combined vertically. Also, the bottom 104 of the toilet body 100 is provided with bosses 121 to 124 to which the upper ends of the legs 501, 502, 601, 602 of the legs 500, 600 are attached. In this embodiment, the bosses 121 to 124 are provided at the front, rear, left and right corners of the bottom 104 of the lower member 220.

  As shown in FIG. 11, the bottom 104 bends upward over the entire circumference and continues to the outer shell 103. As shown in FIG. 12, the upper edge 220a of the lower member 220 has a step 220a1 on the outer side over the entire circumference except for a part of the deodorizing device mounting portion 215, and extends upward along the inner surface. An engagement piece 220a2 is provided.

  Further, as shown in FIG. 11, pin holes 220 b are provided on the periphery of the lower member 220 at positions corresponding to the plurality of pins 210 b provided on the upper member 210. The pin holes 220b are provided on the inner side of the toilet body 100 and have inner diameters into which the pins 210b provided on the upper member 210 can be respectively fitted. In this embodiment, the pin holes 220b are provided at the four corners of the substantially rectangular lower member 220. Further, a screw hole 220 c is formed at a position corresponding to the screw hole 210 c formed in the upper member 210 on the periphery of the lower member 220. Further, ribs are appropriately disposed on the bottom surface of the lower member 220. In particular, ribs 121a to 124a are provided radially around the bosses 121 to 124 to which the legs 500 and 600 are attached, and the required strength is ensured.

<< Assembly of upper member 210 and lower member 220 >>
As shown in FIG. 7, the lower edge 210a of the upper member 210 and the upper edge 220a of the lower member 220 are fitted to each other inside and outside. In this embodiment, as shown in FIG. 10, the lower edge 210a of the upper member 210 is provided with an engagement piece 210a2 having a step 210a1 on the inner side and extending downward along the outer surface over the entire circumference. ing. The upper edge 220a of the lower member 220 is provided with an engagement piece 220a2 having a step 220a1 on the outer side and extending upward along the inner side surface over the entire circumference. In this embodiment, as shown in FIG. 7, the engaging piece 210a2 (see FIG. 10) of the upper member 210 extending downward along the outer surface and the lower member 220 extending upward along the inner surface. The engaging piece 220a2 (see FIG. 12) is fitted inside and outside.

  In this embodiment, one of the upper member 210 and the lower member 220 (in this embodiment, the upper member 210) is provided with a pin 210b, and the other (in this embodiment, the lower member 220) is provided with a pin 210b. A fitting pin hole 220b is provided. When the upper member 210 and the lower member 220 are combined, the pin 210b is attached to the pin hole 220b. The screw holes 210c and 220c provided in the upper member 210 and the lower member 220 are fitted with each other when the upper member 210 and the lower member 220 are combined, and are fastened with screws. Thereby, the toilet bowl main body 100 is integrated. In this embodiment, the upper member 210 is provided with a pin 210b, and the lower member 220 is provided with a pin hole 220b. The toilet body 100 is not limited to this, and the lower member 220 may be provided with a pin, and the upper member 210 may be provided with a pin hole.

  Moreover, in this embodiment, the pin 210b and the pin hole 220b are each provided inside the toilet body 100, and do not appear on the appearance of the toilet body 100. For this reason, the pin 210 b and the pin hole 220 b do not impair the aesthetic appearance of the portable toilet 10.

《Drainage hole》
Further, a drain hole is formed in the side surface of the toilet body 100. In this embodiment, as shown in FIG. 11, a notch 220d serving as a drain hole is formed in the upper edge 220a at the rear portion of the lower member 220. The notch 220d becomes a drain hole in a state where the upper member 210 and the lower member 220 are combined. For example, when the portable toilet 10 is washed with water, water enters the toilet body 100. At this time, water remains on the ribs 121 a to 124 a provided inside the lower member 220. In such a case, when the rear portion of the portable toilet 10 is left facing down, the water is discharged out of the toilet body 100 from the drain hole in the rear portion of the portable toilet 10 through the ribs 121a to 124a. Such drain holes are preferably formed on the side surface of the toilet body 100. In this embodiment, the drain hole is formed on the rear side surface of the toilet body 100, but the drain hole may be provided on the left and right side surfaces of the toilet body 100. 100 may be provided on the front surface.

  Next, the armrest mounting portions 211 and 212, the backrest mounting portions 213 and 214, and the deodorizing device mounting portion 215 provided in the toilet body 100 will be described in order. Here, the armrests 300 and 400 attached to the armrest attachment portions 211 and 212 will be described, and then the armrest attachment portions 211 and 212 will be described.

<< armrest 300, 400 >>
Here, FIG. 13 is a perspective view showing the left armrest 300. The armrests 300 and 400 have approximately the same structure. The reference numerals in parentheses in FIG. 13 indicate the reference numerals of the right armrest 400. Here, the left armrest 300 is denoted by reference numerals in the 300th range, and each part of the right armrest 400 is denoted by reference numerals in the 400th order corresponding to the respective parts of the left armrest 300.

  As shown in FIG. 13, the armrest 300 (400) includes an armrest base 301 (401), an armrest main body 302 (402), and a height adjusting mechanism 303 (403).

<< Elbow base 301 (401) >>
The armrest base 301 (401) includes a base 311 (411), two hollow columns 312, 313 (412, 413), and a hollow shaft 314 (414). The base 311 (411) is a long plate disposed along the front-rear direction on the upper member 210 of the toilet body 100. The two support columns 312 and 313 (412 and 413) are disposed at both front and rear ends of the base 311 (411). The base 311 (411) is bridged over a position from the lower end of the middle part of the two columns 312 and 313 (412 and 413).

  The base 311 (411) has an engagement protrusion 321 (421) and an insertion hole 322 (422). The engagement protrusion 321 (421) is a protrusion protruding downward from the lower surface of the base 311 (411) along the longitudinal direction of the base 311 (411). The insertion hole 322 (422) is formed in front of an intermediate portion of the base 311 (411), and a fixing pin 350 (450) (see FIG. 1) for fixing the armrests 300 and 400 to the upper member 210 is inserted. It is a through hole. Further, an engagement piece 323 (423) that protrudes rearward continuously in the vertical direction is provided on the outer peripheral surface of the rear column 313 (413). The hollow shaft 314 (414) of the armrest base 301 (401) is installed on the pair of front and rear columns 312 and 313 (412 and 413) at a position higher than the base 311 (411). In the example shown in FIG. 1, the toilet paper holder 60 is attached to the front column 412 of the right armrest base 401.

<< armrest body 302 (402) >>
The armrest main body 302 (402) includes an armrest portion 341 (441) and movable shafts 342 and 343 (442 and 443). The armrest 341 (441) is a part where the user of the portable toilet 10 puts his elbow. In this embodiment, the armrest 341 (441) has a longitudinal shape, and is provided in a state of extending in the front-rear direction on the left and right of the portable toilet 10. The movable shafts 342 and 343 (442 and 443) extend downward at positions apart from the front and rear of the lower portion of the armrest 341 (441). Two hollow movable shafts 342 and 343 (442 and 443) before and after the armrest main body 302 (402) are inserted into the two hollow columns 312 and 313 (412 and 413) of the armrest base 301 (401). ing.

<< Height adjustment mechanism 303 (403) >>
The height adjustment mechanism 303 (403) is a mechanism for adjusting the height of the armrest portion 341 (441). The height adjusting mechanism 303 (403) is housed inside the hollow shaft 314 (414) of the armrest base 301 (401). FIG. 14 is a cross-sectional plan view of the armrest base 301 (401) crossing the hollow shaft 314 (414).

  As shown in FIG. 14, in this embodiment, holes 361 and 362 (461 and 462) are formed in the movable shafts 342 and 343 (442 and 443) of the armrest main body 302 (402). Although the illustration of the holes 361 and 362 (461 and 462) is omitted, a plurality of holes are formed along the length direction. Further, the pillars 312 and 313 (412 and 413) of the armrest base 301 are also formed with holes 363 and 364 (463 and 464) penetrating so as to communicate with the hollow shaft 314 (414).

  The height adjusting mechanism 303 (403) has protrusions 381 and 382 (481 and 482) inside the hollow shaft 314 (414) of the armrest base 301. The protrusions 381 and 382 (481 and 482) are attached to the hollow shaft 314 (414) so as to protrude toward the movable shafts 342 and 343 (442 and 443). The hollow shaft 314 (414) includes springs 383 and 384 (483 and 484). The springs 383 and 384 (483 and 484) are provided so that the protrusions 381 and 382 (481 and 482) protrude from the hollow shaft 314 (414) into the pillars 312 and 313 (412 and 413). 482) is a member integral with knobs 385, 386 (485, 486) slidably mounted along the hollow shaft 314 (414). . By operating the knobs 385 and 386 (485 and 486), the protrusions 381 and 382 (481 and 482) protruding inside the columns 312 and 313 (412 and 413) are removed from the columns 312 and 313 (412 and 413). Pulled out.

  In the state where the projections 381 and 382 (481 and 482) project into the support columns 312 and 313 (412 and 413), the holes 361 and 361 of the movable shafts 342 and 343 (442 and 443) of the armrest body 302 (402), 362 (461, 462). At this time, among the plurality of holes 361, 362 (461, 462) formed along the length direction of the movable shafts 342, 343 (442, 443), the projections 381, 382 (481, 481, 482) may be fitted. By changing the holes 361 and 362 (461 and 462) into which the projections 381 and 382 (481 and 482) are fitted, the height of the armrest 341 (441) is adjusted. That is, the height adjusting mechanism 303 (403) allows the movable shafts 342 and 343 (of the armrest main body 302 (402) to be moved with respect to the two hollow columns 312 and 313 (412 and 413) of the armrest base 301 (401). 442, 443) is inserted and the length is changed. Thereby, the height of the armrest part 341 (441) with respect to the toilet bowl main body 100 is adjusted.

<< armrest mounting parts 211, 212 >>
The upper member 210 is provided with armrest attaching portions 211 and 212 to which the armrests 300 and 400 are attached. The armrest attaching portions 211 and 212 are provided on the left and right sides of the upper surface portion 102 of the upper member 210 at positions where the armrests 300 and 400 are attached, respectively. The armrest mounting portions 211 and 212 have shapes corresponding to the lower portions of the left and right armrests 300 and 400, respectively.

  As shown in FIGS. 2, 5, and 13, the armrest mounting portions 211 and 212 have longitudinal recesses 221 and 222 that extend before and after the base portions 311 (411) of the armrests 300 and 400, respectively. In the recesses 221 and 222, vertical holes 223, 224, 225, and 226, engagement grooves 227 and 228, and key holes 231 and 232 are formed. On the back surface of the upper member 210, many ribs are arranged on the back surfaces of the armrest mounting portions 211 and 212 in particular. Such ribs can suppress wobble of the armrests 300 and 400 and can secure a required load resistance.

  Here, the base 311 (see FIG. 13) of the left armrest 300 fits in the left recess 221. Further, the lower ends 312a and 313a of the columns 312 and 313 (see FIG. 13) protruding downward from the base 311 are fitted in the vertical holes 223 and 225 formed in the left-side depression 221, respectively. An engagement protrusion 321 (see FIG. 13) that protrudes downward from the lower surface of the base 311 of the left armrest 300 is fitted into the engagement groove 227 formed in the left recess 221. Further, the key hole 231 formed in the left recess 221 is formed at a position corresponding to the insertion hole 322 formed in the base 311 of the left armrest 300. In the left armrest 300, the lower ends 312 a and 313 a of the support columns 312 and 313 (see FIG. 13) are inserted into the vertical holes 223 and 225 of the armrest mounting portion 211 of the toilet body 100, and the base 311 is fitted in the recess 221. Then, the fixing pin 350 (see FIG. 1) is attached to the insertion hole 322 and the key hole 231. Thereby, the left armrest 300 can be fixed to the toilet body 100.

  Further, the base 411 of the right armrest 400 is fitted into the right depression 222. Further, the lower end portions 412a and 413a of the support columns 412 and 413 (see FIG. 13) protruding downward from the base portion 411 are fitted in the vertical holes 224 and 226 formed in the right-side depression 222, respectively. An engagement protrusion 421 (see FIG. 13) that protrudes downward from the lower surface of the base 411 of the right armrest 400 is fitted into the engagement groove 228 formed in the right depression 222. Further, the key hole 232 formed in the right depression 222 is formed at a position corresponding to the insertion hole 422 formed in the base 411 of the right armrest 400. Then, the right armrest 400 is attached to the toilet body 100 by fitting the base 411 of the right armrest 400 into the right depression 222 and attaching the fixing pin 450 (see FIG. 1) to the insertion hole 422 and the key hole 232. Can be fixed.

  Here, the knobs 385 and 386 (485 and 486) of the height adjusting mechanism 303 (403) are provided on the left and right sides of the hollow shaft 314 (414) of the armrest base 301 (401) as shown in FIG. Yes. For this reason, the height adjustment mechanism 303 (403) of the armrests 300 and 400 can be operated from both the inside and the outside of the portable toilet 10.

  FIG. 15 is a plan view of the portable toilet 10 with the lid 20 closed. In this embodiment, the left and right armrests 300 and 400 have the armrest portions 341 (441) inward with respect to the line C1 connecting the central axes of the supports 312 and 313 (412 and 413) of the armrest base 301 in plan view. The overhanging length L1 is different from the overhanging length L2. For example, as shown in FIG. 15, in this embodiment, the length L1 of the armrest 341 (441) projecting inward is longer than the length L2 of projecting outward. Moreover, the armrest attachment parts 211 and 212 of the toilet body 100 have the same structure on the left and right. That is, the left armrest 300 can be attached to the right armrest attachment portion 212, and the right armrest 400 can be attached to the left armrest attachment portion 211. By replacing the left and right armrests 300 and 400, the interval L3 of the armrest portion 341 (441) in the portable toilet 10 can be changed. Thereby, according to a user's physique, the space | interval L3 of the armrest part 341 (441) can be adjusted.

  In this embodiment, the armrest main body 302 attached to the left armrest base 301 is attached to the right armrest base 401, and the armrest main body 402 attached to the right armrest base 401 is attached to the left armrest base 301. be able to. By replacing the left and right armrest main bodies 302 and 402 with respect to the left and right armrest bases 301 and 401, the distance L3 between the left and right armrest portions 341 and 441 may be adjusted.

  Moreover, the left and right armrests 300 and 400 can be appropriately removed according to the needs of the user and the assistant. The portable toilet 10 may be provided with a cover that can be put on the armrest mounting portions 211 and 212 of the toilet body 100 when the armrests 300 and 400 are removed from the toilet body 100. Such a cover may have a shape that flattens the upper surface of the toilet body 100 when attached to the armrest attaching portions 211 and 212.

  Further, an engagement piece 323 (423) that protrudes rearward continuously in the vertical direction on the outer peripheral surface of the support column 313 (413) on the rear side of the armrest base 301 (401) is an engagement groove 256 formed in the backrest 250. 257 (see FIGS. 1 to 4).

"Backrest 250"
Next, the backrest 250 of the portable toilet 10 will be described. As shown in FIG. 5, the backrest attaching portions 213 and 214 are respectively provided on the left and right sides of the rear portion on the upper surface of the toilet body 100. As shown in FIG. 1, the backrest 250 has an opening 251 through which the lid 20 can pass rearward on the upper surface of the toilet body 100. The backrest 250 includes left and right column portions 252 and 253, a backrest portion 254, and a cushion 255. The column portions 252 and 253 are attached to the backrest attaching portions 213 and 214 provided on the left and right sides of the toilet main body 100 in the back portion of the portable toilet 10. The column portions 252 and 253 stand upward from the backrest mounting portions 213 and 214 of the toilet body 100. The backrest portion 254 is bridged over the upper ends of the column portions 252 and 253. The cushion 255 is attached to the front surface of the backrest 254.

<< Legs 500, 600 >>
Next, as shown in FIG. 1, the legs 500 and 600 are connected to two legs 501, 502 (601, 602), a front base 503 (603), and a rear base 504 (604), respectively. Part 505 (605). Here, each member and part of the left leg 500 are given reference numerals in the 500s. Corresponding to the left leg 500, the members and parts of the right leg 600 are denoted by reference numerals in the 600s. Moreover, the leg part 602, the rear base part 604, and the connection part 605 of the right leg 600 are hidden in the toilet body 100 in FIG. 1 and are not shown. The leg portion 602, the rear base portion 604, and the connecting portion 605 of the right leg 600 have a structure that covers the left and right legs 502, the rear base portion 504, and the connecting portion 505, respectively. ing.

  Two legs 501 and 502 (601 and 602) are arranged on the left and right sides of the toilet body 100, respectively. In this embodiment, the upper ends of the legs 501 and 502 (601 and 602) are attached to bosses 121 to 124 (see FIG. 11) provided on the bottom 104 of the toilet body 100. The legs 501 and 502 (601 and 602) have a structure for adjusting the length. The height of the toilet seat 30 of the portable toilet 10 can be adjusted by adjusting the length of the legs 501 and 502 (601 and 602). Here, a structure for adjusting the lengths of the legs 501 and 502 (601 and 602) of the portable toilet 10 will be described later.

  The front base portion 503 (603) is a portion extending forward from the lower end of the front leg portion 501 (601). The rear base portion 504 (604) is a portion extending rearward from the lower end of the rear leg portion 502 (602). In this embodiment, a caster 506 (606) is attached to the rear end of the rear base portion 504 (604). In FIG. 1, the right rear base portion 604 (see FIG. 15) and the caster 606 (see FIG. 15) attached to the rear end of the right rear base portion 604 are hidden by the toilet body 100 and are not shown.

  In this embodiment, there are two legs 501 and 502 (601 and 602) under the toilet body 100, and the front base part 503 (603) extends forward from the lower end of the front leg 501 (601). ing. The rear base portion 504 (604) extends rearward from the lower end of the rear leg portion 502 (602). That is, this portable toilet 10 is not a structure like a simple four-legged chair. Such a front base portion 503 (603) reliably prevents the portable toilet 10 from tipping forward. Further, the rear base portion 504 (604) reliably prevents the portable toilet 10 from falling backward.

  The portable toilet 10 is made of resin. Such a portable toilet 10 made of resin is generally light in weight and low in rigidity as compared with a simple wooden toilet or the like, and is easy to bend as a whole. For example, the user of the portable toilet 10 is likely to bend when he / she tries to stand up with his / her weight on the front side of the armrests 341/441 of the armrests 300/400. When the user of the portable toilet 10 tries to stand up with his / her weight on the front side of the armrests 341 and 441 of the armrests 300 and 400, a force is applied so as to tilt forward. However, the portable toilet 10 is prevented from falling forward by the front base portions 503 and 603 of the legs 500 and 600 with the legs 500 extending forward of the toilet body 100.

  In this embodiment, a rear base portion 504 (604) extends at the lower rear of the portable toilet 10. For example, even when the assistant places his / her weight on the backrest and performs assistance, the rear base portion 504 (604) can prevent the portable toilet 10 from falling backward.

  In the portable toilet 10, a large force also acts on the base ends of the legs 501 and 502 (601 and 602) of the legs 500 and 600. In this embodiment, the bottom 104 of the toilet body 100 is provided with bosses 121 to 124 (see FIG. 11) to which the upper ends of the legs 501 and 502 (601 and 602) are attached. Further, ribs 121a to 124a are provided radially around the bosses 121 to 124, and a required strength is ensured. The ribs 121a to 124a ensure the required rigidity of the bosses 121 to 124 to which the upper ends of the legs 501 and 502 (601 and 602) are attached. For this reason, the bending of the peripheral part of the boss | hubs 121-124 with which the leg parts 501 and 502 (601, 602) were mounted | worn is suppressed small, and the bending of the portable toilet 10 is suppressed small.

  The legs 501 and 502 (601 and 602) of the legs 500 and 600 are attached to bosses 121 to 124 (see FIG. 11) provided on the bottom 104 of the toilet body 100. Although not shown here, the bosses 121 to 124 have a structure for holding the leg portions 501 and 502 (601 and 602) of the legs 500 and 600. In addition, the leg portions 501 and 502 (601 and 602) of the legs 500 and 600 have a certain width that allows the length inserted into the bosses 121 to 124 to be adjusted. Thereby, the width | variety which can adjust the height of the toilet bowl main body 100 can be ensured more largely.

  The connecting portion 505 (605) extends in the front-rear direction so as to connect the lower ends of the two leg portions 501, 502 (601, 602), and is continuous with the front base portions 503, 603 and the rear base portion 504 (604). doing. By the connecting portion 505 (605), the front base portions 503 and 603 and the rear base portion 504 (604) are integrated. For this reason, for example, when a user of the portable toilet 10 tries to stand up with his / her weight on the front side of the armrests 300 and 400, the front base portions 503 and 603 are bent, the portable toilet 10 is bent forward, the rear base The rear end of the portion 504 (604) can be kept small.

  As described above, the portable toilet 10 proposed here includes the bucket 40, the toilet seat 30, the toilet body 100, and the legs 500 and 600 as shown in FIGS. 1 to 4. The toilet body 100 includes a recessed housing part 101 in which the bucket 40 is housed, an upper surface part 102 on which the toilet seat 30 is disposed, and an outer part that surrounds at least the outer surface 111 of the housing part 101. 103 and a bottom portion 104 that is continuous from the lower end of the outer shell portion 103 and forms the bottom of the toilet main body 100.

  As shown in FIG. 6, at least on the front surface of the toilet body 100, a surface 112 that forms the periphery of the upper surface portion 102, a surface 113 that forms the outer portion 103, and a surface 114 that forms the bottom portion 104 are continuous. ing. Further, the legs 500 and 600 are independently attached to the left and right of the bottom 104 of the toilet body 100. As described above, in this portable toilet 10, the feet of the user and the assistant are not easily caught on the lower front portion of the toilet body 100.

  Further, at least on the front surface of the toilet body 100, the outer shell portion 103 is inclined rearwardly from the peripheral edge of the upper surface portion 102 toward the bottom portion 104. A required space S <b> 1 in which a user sitting on the portable toilet 10 draws his / her foot is secured in front of the toilet body 100.

  The toilet main body 100 includes an upper member 210 including the accommodating portion 101 and the upper surface portion 102, a lower member 220 including at least a part of the outer shell portion 103, and the bottom portion 104. Here, the upper member 210 and the lower member 220 are combined. Thus, in this configuration, the toilet main body 100 is, for example, an upper and lower half type, and the upper member 210 and the lower member 220 can be easily molded.

  In this case, as shown in FIG. 7, the lower edge 210a of the upper member 210 and the upper edge 220a of the lower member 220 are preferably fitted in each other. With such a configuration, the rigidity of the lower edge 210a of the upper member 210 and the upper edge 220a of the lower member 220 is ensured, and the toilet body 100 as a whole has high rigidity. Further, in this embodiment, the upper member 210 and the lower member 220 are each embodied as an integral molded product. Further, as shown in FIG. 3, a tray 50 is disposed on the upper surface portion of the toilet body 100 so as to surround the upper opening of the housing portion 101. Further, the toilet seat 30 is disposed on the tray 50. With such a tray 50, even when spilled water is spilled from the bucket 40, it is difficult for the sewage to flow out to the floor.

  Moreover, in this embodiment, the bottom part 104 of the toilet body 100 has an opening 104a at a part facing the bottom of the housing part 101 as shown in FIGS. Such an opening reduces the weight of the toilet body 100. In addition, the outer side surface 111 of the accommodating portion 101 of the toilet body 100 is entirely surrounded by the outer shell portion 103. For this reason, the part which accommodates the bucket 40 cannot be seen on the external appearance, and the impression of the bucket which puts in filth is thin. For this reason, this portable toilet 10 is designed to be clean.

  Further, the bottom 101a of the housing portion 101 has a bottom rib 101a1 (see FIG. 9) protruding downward along the periphery of the bottom 101a. The bottom rib 101a1 secures the rigidity of the bottom 101a of the housing portion 101. Further, a protrusion 104 a 1 rising on the inner side of the bottom rib 101 a 1 of the housing portion 101 is provided at the edge of the opening 104 a of the bottom portion 104 of the toilet body 100. For this reason, when the toilet main body 100 is washed, even if water remains in the toilet main body 100, for example, water that flows down along the inner surface of the upper member 210 travels along the bottom rib 101a1 of the housing portion 101, Received at the bottom 104 of member 220. The water that flows to the bottom 104 of the lower member 220 is received by the protrusion 104a1 provided at the edge of the opening 104a. Therefore, in this portable toilet 10, the water remaining in the toilet main body 100 cannot easily drip on the bottom of the toilet main body 100.

≪Structure to adjust the length of the leg of portable toilet (shaft holding structure 800) ≫
Hereinafter, the shaft holding structure employed in the structure for adjusting the height of the portable toilet will be described. The shaft holding structure proposed here can be adopted not only for the structure for adjusting the height of the portable toilet but also for various applications.

  As described above, the portable toilet 10 is provided with the toilet body 100 and the legs 500 and 600 on the left and right of the lower part of the toilet body 100 as shown in FIG. In the portable toilet 10, the left and right legs 500 and 600 have axial leg portions 501, 502, 601, and 602 on the front and rear sides, respectively. Moreover, the lower part of the toilet body 100 has bosses 121 to 124 (see FIG. 11). The bosses 121 to 124 are each provided with a shaft holding structure 800 as a structure for holding one end of the leg portions 501, 502, 601, 602.

  Here, the legs 501, 502, 601, 602 are attached to the front, rear, left and right of the toilet body 100. Each leg 501, 502, 601, 602 is provided with a shaft holding structure 800 having a similar basic configuration, although there are some differences. Here, the shaft holding structure 800 that holds the right leg portions 601 and 602 has the same basic configuration as the shaft holding structure 800 that holds the left leg portions 501 and 502. The basic structure of the shaft holding structure 800 of the right leg portions 601 and 602 is understood based on the description of the shaft holding structure 800 of the left leg portions 501 and 502.

  FIGS. 16 and 17 are side views showing a shaft holding structure 800 provided on the left leg portions 501 and 502 of the portable toilet 10. Here, it is the side view which looked at the leg parts 501 and 502 from the outside (left side) of the portable toilet 10.

  Here, in FIG. 16, the front leg 501 is attached to the left front boss 121 of the toilet body 100 attached to the tubular member 823. It is shown in the figure. Further, the rear leg 502 is simply shown as being inserted through the left rear boss 123. That is, here, the tubular member 802 is not attached to the rear leg 502, and the tubular member 823 is not attached to the boss 123.

  Further, in FIG. 17, the front leg 501 shows a state in which the connecting member 804 is further attached to the cylindrical member 823 with respect to the left front leg 501 shown in FIG. In addition, as for the rear leg portion 502, a state in which the leg portion 502 to which the tubular member 802 is attached is attached to the boss 123 on the left rear side of the toilet body 100 attached to the tubular member 823 is illustrated. . Here, the cylindrical member 823 attached to the boss 123 is shown in cross section.

  FIG. 18 is a side view of the left leg portions 501 and 502 viewed from the inside (right side) of the portable toilet 10. Here, FIG. 18 shows a state in which the tubular member 802 and the tubular member 823 attached to the left front boss 121 of the toilet body 100 are attached to the front leg 501. Further, a state in which the tubular member 802 is attached to the rear leg portion 502 is shown. Further, in FIG. 16 to FIG. 18, the remaining members are not shown.

  Here, the shaft holding structure 800 that holds the leg portions 501 and 502 attached to the left bosses 121 and 123 will be described with reference to FIGS. Regarding the shaft holding structure 800 of the right leg portions 601 and 602, the description overlapping with the shaft holding structure 800 of the left leg portions 501 and 502 is omitted as appropriate.

  The shaft holding structures 800 provided on the left and right leg portions 501 and 502 have substantially the same structure. In the shaft holding structure 800 provided on the leg portions 501 and 502, the shaft is a shaft on which the leg portions 501 and 502 are held. In addition, the toilet body 100 (specifically, in this embodiment, the lower member 220 of the toilet body 100) is a base material that holds one end of the legs 501 and 502.

  As shown in FIGS. 16 and 17, the shaft holding structure 800 includes legs 501 and 502 as shafts to be held, a toilet body 100 as a base material that holds the legs 501 and 502, and a tubular member 802. And a connecting member 804. In this embodiment, the legs 501 and 502 are attached to bosses 121 and 123 (see FIG. 11) provided on the bottom 104 of the toilet body 100 as a base material. In this embodiment, a cylindrical member 823 is attached to the bosses 121 and 123.

≪Toilet body 100 as a base material of shaft holding structure 800 ≫
The toilet body 100 as a base material has a holding part 821 and a locking part 822.

<Holding unit 821>
The holding portion 821 is a substantially cylindrical portion that holds one end of the leg portions 501 and 502. In this embodiment, cylindrical members 823 are respectively attached to the bosses 121 and 123 of the toilet body 100 that holds one end of the leg portions 501 and 502 as the holding portion 821.

<Cylindrical member 823>
The tubular member 823 is a member into which the tubular member 802 attached to the leg portions 501 and 502 is fitted. Here, steps 823a1 and 823a2 and claw portions 823b1 and 823b2 are provided on the outer peripheral surface of the cylindrical member 823.

<Step 823a1, 823a2>
Here, the steps 823a1 and 823a2 are portions that protrude in the outer diameter direction and hit one end side of the boss portion. In this embodiment, the steps 823 a 1 and 823 a 2 protrude in the outer diameter direction on the outer peripheral surface of the cylindrical member 823. The steps 823a1 and 823a2 are provided so as to hit one end side (here, the lower end side) of the bosses 121 and 123 of the toilet body 100. In this embodiment, steps 823a1 and 823a2 are provided at two locations on the upper and lower sides of the cylindrical member 823. The lower step 823a2 projects in a flange shape outward of the cylindrical member 823. In this embodiment, the steps 823a1 and 823a2 are continuous in the circumferential direction, but are not necessarily continuous in the circumferential direction.

<Nail parts 823b1, 823b2>
The claw portions 823b1 and 823b2 are portions that are hooked to the other end side (here, the upper end side) of the bosses 121 and 123. In this embodiment, the claw portions 823b1 and 823b2 are provided at the other end (upper end) in the axial direction of the cylindrical member 823 so as to protrude in the outer diameter direction. Specifically, the claw portions 823b1 and 823b2 project outward at the upper end portion of the elastic piece provided by cutting out the upper end of the cylindrical member 823. Here, the cylindrical member 823 is provided with two claw portions 823b1 and 823b2. The nail | claw part 823b1 is provided in the left side (outside of the portable toilet 10) of the cylindrical member 823, as shown in FIG. The nail | claw part 823b2 is provided in the right side (inner side of the portable toilet 10) of the cylindrical member 823, as shown in FIG. Moreover, in the site | part in which the nail | claw part 823b1 and 823b2 were provided, the outer peripheral surface of the cylindrical member 823 protrudes a little on the outer side along the axial direction, and the inner peripheral surface of the cylindrical member 823 is depressed along the axial direction. (See FIGS. 23 and 24).

<Protrusions 824>
Further, as shown in FIG. 16, a substantially rectangular protrusion 824 swelled outward is provided below the outer claw portion 823 b 1 of the cylindrical member 823. The protrusion 824 is provided between the two steps 823 a 1 and 823 a 2 of the cylindrical member 823. FIG. 19 shows the inner peripheral surface of the cylindrical member 823 (the inner peripheral surface on the side facing the outside of the portable toilet 10). The back side of the protrusion 824 of the cylindrical member 823 is recessed as shown in FIG. The recess 824a is continuous downward. Further, a notch 825 in which a lower end portion of the cylindrical member 823 is notched is formed under a portion where the recess 824a is provided. Further, a step 826 is formed on the back surface of the upper step 823a1. In this embodiment, a tubular material 802 is attached to the lower part of the step 826. At the lower part of the step 826, the inner diameter of the inner peripheral surface 827 of the cylindrical member 823 gradually increases toward the lower side in accordance with the outer peripheral surface 802a (see FIGS. 23 and 24) of the upper portion of the cylindrical member 802 described later. . That is, here, the outer peripheral surface 802a of the cylindrical member 802 has an outer diameter that increases along the axial direction of the cylindrical member 802 from the portion (upper end) that is fitted into the inner portion of the holding portion 821.

<Window 828>
As shown in FIG. 18, an open window 828 is formed under the claw portion 823 b 2 inside the cylindrical member 823. The window 828 is formed in a substantially rectangular shape on the lower step 823a2 between the two steps 823a1 and 823a2 of the cylindrical member 823. A projection 829 protruding upward is provided at the lower edge of the window 828.

  In this embodiment, on the inner peripheral surfaces of the bosses 121 and 123, as shown in FIGS. 16 and 17, two steps are respectively provided according to the two steps 823a1 and 823a2 so that the cylindrical member 823 is mounted. 121b1, 121b2, 123b1, and 123b2 are formed. Further, the distance between each step 823a1, 823a2 and the claw portions 823b1, 823b2 in the axial direction (height direction) of the cylindrical member 823 is the two steps 121b1 formed on the inner peripheral surface of the boss 121, 123. 121b2, 123b1, 123b2 and the distance to the upper edges of the bosses 121, 123 are approximately the same length.

  Although not shown, grooves are formed on the inner peripheral surfaces of the bosses 121 and 123 into which protrusions 824 (see FIG. 16) provided outside the cylindrical member 823 are fitted. As shown in FIG. 16, the cylindrical member 823 is inserted into the bosses 121 and 123 from below. The claw portions 823b1 and 823b2 of the cylindrical member 823 are inserted into the bosses 121 and 123 while being slightly displaced elastically inside the cylindrical member 823. Further, the protrusion 824 of the cylindrical member 823 is inserted along a groove (not shown) formed on the inner peripheral surface of the boss 121, 123. Thereby, the cylindrical member 823 is positioned and attached to the bosses 121 and 123 in the circumferential direction.

  In the state where the tubular member 823 is mounted on the bosses 121 and 123, as shown in FIG. 17, the tubular members are formed on the two steps 121b1, 121b2, 123b1, and 123b2 formed on the inner peripheral surfaces of the bosses 121 and 123. Two steps 823a1 and 823a2 of 823 are respectively hit. Then, the claw portions 823 b 1 and 823 b 2 provided at the upper end of the cylindrical member 823 are hooked on the upper end edges of the bosses 121 and 123. Thus, the cylindrical members 823 are attached to the predetermined positions of the bosses 121 and 123, respectively. In this case, the cylindrical member 823 cannot be removed from the bosses 121 and 123 as long as the claw portions 823b1 and 823b2 are not removed or broken.

<Locking part 822>
The locking part 822 is a part where the connecting member 804 is locked, as shown in FIG. In this embodiment, the lower end portion of the cylindrical member 823 attached to the bosses 121 and 123 extends downward from the bottom portion 104 of the toilet body 100. The locking portion 822 is provided on the outer peripheral surface of the lower end portion of the tubular member 823 extending downward from the lower ends of the bosses 121 and 123 (the bottom portion 104 of the toilet body 100). Here, a thread groove is formed as a locking portion 822 on the outer peripheral surface of the tubular member 823. In this embodiment, as described above, the notch 825 is formed in the lower end portion of the cylindrical member 823 extending downward from the lower ends of the bosses 121 and 123 (the bottom portion 104 of the toilet body 100).

  Here, the left bosses 121 and 123 of the toilet body 100 and the cylindrical member 823 attached to the bosses 121 and 123 have been described, but the right and left bosses 122 and 124 of the toilet body 100 are similarly tubular members. 823 is attached.

<< Legs 501 and 502 as axes of the shaft holding structure 800 >>
Next, the legs 501 and 502 as the shaft of the shaft holding structure 800 will be described. Here, as shown in FIGS. 16 and 18, a plurality of first engaging portions 841 and 842 are respectively provided on the outer peripheral surfaces of the leg portions 501 and 502 along the length direction. Here, the first engaging portions 841 and 842 are protrusions protruding from the outer peripheral surfaces of the leg portions 501 and 502. In this embodiment, the first engaging portions 841 and 842 protrude at the required height on the outer peripheral surfaces of the leg portions 501 and 502. The leg portions 501 and 502 extend along the circumferential direction with a predetermined length.

  In this embodiment, as shown in FIGS. 16 and 18, two first engaging portions 841 and 842 are provided in the circumferential direction at the same height with respect to the leg portions 501 and 502. Specifically, as shown in FIGS. 16 and 17, the first engaging portion 841 is provided outside the legs 501 and 502 on the rear side of the legs 501 and 502. Further, as shown in FIG. 18, the first engaging portion 842 is provided inside the leg portions 501 and 502 on the rear side of the leg portions 501 and 502, respectively. In this embodiment, two first engaging portions 841 and 842 are provided in the circumferential direction at the same height, but a plurality of first engaging portions 841 and 842 may be provided in the circumferential direction. In this embodiment, the plurality of first engaging portions 841 and the first engaging portions 842 provided on the outer peripheral surfaces of the leg portions 501 and 502 are equally spaced along the length direction of the leg portions 501 and 502. Is provided.

<Legs 601 and 602 of the right leg 600>
FIG. 20 is a view of the right leg 600 as viewed from the outside (right side) of the portable toilet 10. FIG. 21 is a view of the right leg 600 as viewed from the inside (left side) of the portable toilet 10. 20 and 21, the tubular member 802 is attached to the front leg portion 601. Here, the right leg 600 is approximately symmetric with respect to the left leg 500. As shown in FIGS. 20 and 21, the leg portions 601 and 602 of the right leg 600 have a plurality of first engaging portions 843 and 844 along the length direction in the same manner as the left leg portions 501 and 502. Are provided. Here, as shown in FIGS. 20 and 21, the first engaging portions 843 and 844 are provided on the inner side and the outer side of the leg portions 601 and 602 on the rear side of the leg portions 601 and 602, respectively. Further, in this embodiment, the cylindrical member 802 and the cylindrical member 823 share the same parts at the left and right legs 501, 502, 601, 602. Hereinafter, the tubular member 802 will be described.

≪Cylinder 802≫
The tubular member 802 is a member that is attached to the legs 501 and 502 (601 and 602) as shafts. As shown in FIG. 17, the tubular member 802 has an outer shape that can be fitted into the holding portion 821 (in this embodiment, the tubular member 823). FIG. 22 is a perspective view of the tubular member 802. FIG. 23 and FIG. 24 are longitudinal sectional views showing a state in which the tubular member 823 is fitted into the tubular member 823 and the connecting member 804 is attached. In FIG. 23, the inner peripheral surfaces of the tubular member 823 and the tubular member 802 on the side facing the outside of the portable toilet 10 are shown. The external appearance is shown in the cylindrical member 823 and the cylindrical member 802 attached to the front leg 501 in FIG. In FIG. 24, the inner peripheral surface of the cylindrical member 823 and the cylindrical member 802 on the side facing the inside of the portable toilet 10 is shown. The external appearance is shown in the cylindrical member 823 and the cylindrical member 802 attached to the front leg 501 in FIG.

  Here, the tubular member 802 can be elastically expanded and contracted. In this embodiment, the cylindrical member 802 has slits 850 formed in the axial direction as shown in FIG. Thus, the side surface of the cylindrical member 802 is open in the circumferential direction. And the internal diameter of the cylindrical material 802 expands elastically by opening the said opening (here slit 850).

  In addition, a protrusion 851 protruding in the outer diameter direction is provided on the edge of at least one end of the slit 850 formed on the side surface of the cylindrical member 802. For example, the tubular member 802 can be spread by placing a finger on the protrusion 851. For this reason, for example, as shown in FIG. 20, the cylindrical member 802 can be spread without using a tool even when attached to the leg 601.

<First engaged portion 861-864>
The tubular member 802 is formed with first engaged portions 861 to 864 that engage with the first engaging portions 841 to 844 of the leg portions 501, 502, 601, and 602. In this embodiment, the first engaging portions 841 to 844 are protrusions that protrude from the outer peripheral surfaces of the leg portions 501, 502, 601, and 602. The first engaged portions 861 to 864 formed in the tubular member 802 are holes into which the first engaging portions 841 to 844 are fitted. Here, the first engaged portions 861 to 864 are holes that penetrate the tubular member 802, but may not penetrate the tubular member 802, and the first engaging portions 841 to 844 may be recessed portions. Also good. In this case, the legs 501, 502, 601, 602 and the tubular member 802 can be easily cut out. In the case where the first engaged portions 861 to 864 are holes penetrating the tubular member 802, whether or not the first engaging portions 841 to 844 are fitted to the first engaged portions 861 to 864, It can be visually confirmed from the appearance.

  In this embodiment, as shown in FIGS. 22 to 24, the cylindrical member 802 includes a plurality of (four in this embodiment) first engaged portions 861 to 864 in the circumferential direction at the same height. Is provided. In this embodiment, the four first engaged portions 861 to 864 are arranged evenly in the circumferential direction (here, at intervals of about 90 degrees with respect to the central axis of the tubular member 802).

  In addition, a plurality (three in this embodiment) of first engaged portions 861 to 864 are provided in the axial direction (height direction) of the cylindrical member 802. In this embodiment, a plurality of first engaging portions 841 to 844 provided in the leg portions 501, 502, 601, and 602 are provided at equal intervals in the axial direction. The first engaged portions 861 to 864 of the tubular member 802 are provided at the same interval as the first engaging portions 841 to 844 of the legs 501, 502, 601, 602 in the height direction.

  The tubular member 802 is attached to each leg 501, 502, 601, 602 in a state where it is pushed out. At this time, the legs 501, 502, 601, and 602 are attached so that the slits 850 face the outside of the portable toilet 10. In the left leg 500, as shown in FIGS. 17 and 18, first engagement portions 841 and 842 are provided on the inner side and the outer side on the rear side surfaces of the leg portions 501 and 502, respectively. A plurality of first engaging portions 841 and 842 are provided along the axial direction.

  The tubular member 802 is attached to the left leg portions 501 and 502 such that the slit 850 faces outward. At this time, the first engaged portions 861 and 862 of the tubular member 802 are fitted into the first engaging portions 841 and 842 of the leg portions 501 and 502. Here, a plurality (three in this embodiment) of first engaged portions 861 and 862 of the tubular member 802 are provided in the axial direction (height direction) of the tubular member 802. The first engaged portions 861 and 862 of the tubular member 802 are respectively three first engaging portions among the plurality of first engaging portions 841 and 842 provided along the axial direction of the leg portions 501 and 502. 841, 842.

  As shown in FIGS. 20 and 21, the tubular member 802 is attached to the right leg portions 601 and 602 so that the slit 850 faces outward. At this time, the first engaged portions 863 and 864 of the tubular member 802 are fitted into the first engaging portions 843 and 844 of the leg portions 601 and 602. Here, a plurality (three in this embodiment) of first engaged portions 863 and 864 of the tubular member 802 are provided in the axial direction (height direction) of the tubular member 802. The first engaged portions 863 and 864 of the tubular member 802 are respectively three first engaging portions among the plurality of first engaging portions 843 and 844 provided along the axial direction of the leg portions 601 and 602. 843, 844.

  As described above, the first engaged portions 861 and 862 of the tubular member 802 are fitted to the first engaging portions 841 and 842 of the left leg portions 501 and 502. The first engaged portions 863 and 864 of the tubular member 802 are fitted to the first engaging portions 843 and 844 of the right leg portions 601 and 602. Further, the tubular member 802 is so fitted that the first engaging portions 841 and 842 of the left leg portions 501 and 502 and the first engaging portions 843 and 844 of the right leg portions 601 and 602 are fitted to the peripheral portions. Four first engaged portions 861 to 864 are provided in the direction. Further, a plurality (three in this embodiment) of the four first engaged portions 861 to 864 are provided in the axial direction (height direction) of the tubular member 802.

  In the left leg portions 501 and 502, two rows of the first engaged portions 861 and 862 out of the four rows of first engaged portions 861 to 864 provided in the circumferential direction of the cylindrical member 802 are arranged on the left side. The first engaging portions 841 and 842 in two rows of the leg portions 501 and 502 are engaged. Furthermore, two rows of first engaged portions 861 and 862 engage with the three first engaging portions 841 and 842 along the length direction of the leg portions 501 and 502. On the other hand, in the right leg portions 601 and 602, two rows of the first engaged portions 863 and 864 out of the four rows of first engaged portions 861 to 864 provided in the circumferential direction of the tubular member 802 are provided on the right side. Are engaged with two rows of first engaging portions 843 and 844 of the leg portions 601 and 602. Two rows of first engaged portions 863 and 864 engage with the three first engaging portions 843 and 844 along the length direction of the leg portions 601 and 602.

  As described above, the leg portions 501, 502, 601, and 602 are provided with a plurality of first engaging portions 841 to 844 along the length direction. The tubular member 802 includes a first engagement portion 841 provided at an arbitrary position among a plurality of first engagement portions 841 to 844 provided along the length direction of the leg portions 501, 502, 601, 602. ˜844 can be engaged. The length of the legs 501, 502, 601, 602 of the portable toilet 10 is changed by changing the position where the first engaged parts 861-864 of the tubular member 802 are engaged with the legs 501, 502, 601, 602. Can be adjusted. In order to make the lengths of the legs 501, 502, 601, 602 of the portable toilet 10 equal, the positions where the tubular members 802 are attached to the four legs 501, 502, 601, 602 need to be adjusted appropriately. is there.

  In this embodiment, the tubular member 802 disengages the first engaged portions 861 to 864 from the first engaging portions 841 to 844 by expanding the slit 850. And it is good to attach the 1st to-be-engaged part 861-864 to the 1st engaging part 841-844 of the appropriate height of the leg parts 501,502,601,602. In this embodiment, guides 853 and 854, detents 855 and 856, and escape tapers 857 and 858 are provided on the inner peripheral surface of the cylindrical member 802.

<Guide 853, 854>
The guides 853 and 854 hit the first engaging portions 841 to 844 of the legs 501, 502, 601, and 602 when the tubular member 802 is rotated with the legs 501, 502, 601, and 602 being mounted. The guides 853 and 854 have leg portions 501 and 502 such that the first engaged portions 861 to 864 of the tubular member 802 are fitted to the first engaging portions 841 to 844 of the leg portions 501, 502, 601 and 602. , 601 and 602 guide the cylindrical member 802. In this embodiment, the guides 853 and 854 are provided so as to protrude on the inner peripheral surface of the tubular member 802 as shown in FIGS.

  In this embodiment, as shown in FIGS. 17 and 20, the slit 850 of the tubular member 802 is disposed toward the outside of the legs 501, 502, 601, 602. When fitting the first engaged portions 861 to 864 of the tubular member 802 to the first engaging portions 841 to 844 of the leg portions 501, 502, 601, and 602, the tubular member 802 is left (indicated by an arrow B in FIG. 22). (Slit 850 is moved to the left as viewed from the outside of portable toilet 10). When the first engaged portions 861 to 864 of the tubular member 802 are removed from the first engaging portions 841 to 844 of the leg portions 501, 502, 601, and 602, the slit 850 is expanded and the tubular member 802 is moved to the right (see FIG. 22 (direction indicated by arrow A) (slit 850 is moved to the right as viewed from the outside of portable toilet 10).

  As shown in FIGS. 22 to 24, the guides 853 and 854 each have an inclined surface that is obliquely downward with respect to the direction of rotation to the right of the cylindrical member 802 (the direction indicated by the arrow A in FIG. 22). . The guides 853 and 854 function when the first engaged portions 861 to 864 of the tubular member 802 are fitted to the first engaging portions 841 to 844 of the leg portions 501, 502, 601 and 602. At this time, the cylindrical member 802 moves the slit 850 of the cylindrical member 802 to the left when viewed from the outside of the portable toilet 10 while being attached to the legs 501, 502, 601, 602.

  Thereby, the tubular member 802 is rotated in the direction indicated by the arrow B in FIG. 22 with respect to the legs 501, 502, 601, and 602. At this time, with respect to the left leg portions 501, 502, the inclined surface of the guide 853 hits the first engaging portion 842 of the leg portions 501, 502, and the first engaged portion 862 of the tubular member 802 is It is guided to the first engaging portion 842 of the leg portions 501 and 502 along the inclined surface. In addition, the right leg portions 601 and 602 contact the first engaging portion 843 of the leg portions 601 and 602 with the inclined surface of the guide 854, and the first engaged portion 863 of the tubular member 802 It is guided to the first engaging portion 843 of the leg portions 601 and 602 along the inclined surface.

  As described above, the first engaged portions 861 to 864 of the tubular member 802 are turned into the leg portions 501 and 502 by turning the tubular member 802 with respect to the leg portions 501, 502, 601 and 602 by the guides 853 and 854. , 601 and 602 are guided to the first engaging portions 841 to 844. For this reason, it becomes easy to fit the 1st to-be-engaged parts 861-864 of the cylindrical material 802 in the 1st engaging parts 841-844 of the leg parts 501, 502, 601, and 602.

<Non-rotation 855, 856>
The detents 855 and 856 are portions that prevent the tubular member 802 from being excessively rotated with respect to the leg portions 501, 502, 601, and 602. In this embodiment, the detents 855 and 856 are on the right end of the first engaged portion 862 and 863 of the tubular member 802 (the end portion in the direction indicated by arrow A in FIG. 22) on the inner peripheral surface of the tubular member 802. Along the height direction of the tubular member 802.

  When fitting the first engaged portions 861 to 864 of the tubular member 802 to the first engaging portions 841 to 844 of the leg portions 501, 502, 601, and 602, the tubular member 802 is left (indicated by an arrow B in FIG. 22). Direction) (on the outside of the portable toilet 10, the slit 850 is moved to the left). At this time, when the cylindrical member 802 is attached to the left leg portions 501 and 502, the first engaged portion 862 of the leg portions 501 and 502 hits the detent 855 of the cylindrical member 802. Further, when the tubular member 802 is attached to the right leg portions 601 and 602, the first engaging portion 843 of the leg portions 601 and 602 hits the detent 856 of the tubular member 802.

  Such rotation stoppers 855 and 856 can prevent the tubular member 802 from being excessively rotated with respect to the leg portions 501, 502, 601 and 602. As described above, in the circumferential direction, the detents 855 and 856 stop the cylindrical member 802 from rotating at the predetermined positions by hitting the first engaging portions 841 to 844 of the legs 501, 502, 601 and 602. It is good to be provided on the inner peripheral surface of the tubular member 802.

<Escape taper 857, 858>
The escape tapers 857 and 858 help the first engaged portions 861, 862, 863, and 864 of the tubular member 802 to come out of the first engaging portions 841 to 844 of the legs 501, 502, 601, and 602. It is.

  In this embodiment, the escape tapers 857 and 858 are formed in the first engaged portions 861 and 864 of the tubular member 802 as shown in FIGS. Here, the escape tapers 857 and 858 have portions 857a and 858a in which the inner peripheral surface of the cylindrical member 802 is recessed in the outer diameter direction in the vicinity of one end of the first engaged portions 861 and 864. Specifically, the first engaged portions 861 and 864 are arranged on the outer diameter side slightly inside the end opposite to the direction (the direction indicated by the arrow A in FIG. 22) when the cylindrical member 802 is removed. There are recessed portions 857a and 858a. And from the said part 857a, 858a toward the edge part 857b, 858b of the 1st to-be-engaged part 861,864 (the direction which turns when removing the cylindrical material 802 (direction shown by arrow A in FIG. 22) is opposite) Toward the inner side), the inner peripheral surface of the tubular member 802 gradually rises toward the inner diameter side.

  In this case, the escape taper 857 provided in the first engaged portion 861 functions when the cylindrical member 802 attached to the left leg portions 501 and 502 is removed. Further, the escape taper 858 provided in the first engaged portion 864 functions when the cylindrical member 802 attached to the right leg portions 601 and 602 is removed.

  Here, when the tubular member 802 is removed from the left leg portions 501 and 502, the tubular member 802 moves the slit 850 to the right while expanding the slit 850 on the outside of the portable toilet 10. That is, the tubular member 802 is rotated in the direction indicated by the arrow A in FIG. 22 with respect to the left leg portions 501 and 502. At this time, the escape taper 857 provided in the first engaged portion 861 of the cylindrical member 802 hits the end of the first engaging portion 841 of the left leg portions 501 and 502. And when the escape taper 857 hits the edge part of the 1st engaging part 841, the 1st to-be-engaged part 861 of the cylinder material 802 is pushed up smoothly. Thereby, the 1st to-be-engaged part 861 of the cylinder material 802 can be easily removed from the 1st engaging part 841 of the leg parts 501 and 502. FIG.

  Further, when removing the tubular member 802 from the right leg portions 601 and 602, the tubular member 802 moves the slit 850 to the right while expanding the slit 850 outside the portable toilet 10. That is, the tubular member 802 is rotated in the direction indicated by the arrow A in FIG. 22 with respect to the right leg portions 601 and 602. At this time, the escape taper 858 provided in the first engaged portion 864 of the cylindrical member 802 hits the end of the first engaging portion 844 of the right leg portions 601 and 602. Then, when the escape taper 858 hits the end of the first engaging portion 844, the first engaged portion 864 of the tubular member 802 is smoothly pushed up. Thereby, the 1st to-be-engaged part 864 of the cylinder material 802 can be easily removed from the 1st engaging part 844 of the leg parts 601 and 602. FIG.

  As described above, guides 853 and 854, detents 855 and 856, and escape tapers 857 and 858 are provided on the inner peripheral surface of the cylindrical member 802. The guides 853 and 854 are arranged so that the first engaged portions 861 to 864 of the tubular member 802 are fitted to the first engaging portions 841 to 844 of the legs 501, 502, 601 and 602. 861 to 864 are guided to the first engaging portions 841 to 844. Further, the detents 855 and 856 are portions that stop the cylindrical member 802 from rotating at a predetermined position. Further, the escape tapers 857 and 858 are provided when the first engaged portions 861 to 864 of the tubular member 802 are removed from the first engaging portions 841 to 844 of the leg portions 501, 502, 601 and 602. The joint portions 861 and 864 assist the ride on the first engaging portions 841 and 844. The guides 853 and 854, the detents 855 and 856, and the escape tapers 857 and 858 are not limited to the above-described forms, and various changes such as the positions and shapes provided are possible.

<Engagement section 866 (second engagement section)>
In this embodiment, a flange 866 is provided on the outer peripheral surface of the tubular member 802. The flange portion 866 protrudes outward at an intermediate position in the height direction of the tubular member 802. Specifically, the flange portion 866 is provided below the portion where the first engaged portions 861 to 864 are formed in the height direction of the tubular member 802. The collar portion 866 is continuous in the circumferential direction. In this embodiment, as shown in FIGS. 16 and 17, the tubular member 802 is attached to the bosses 121 to 124 (see FIG. 11) of the toilet body 100 in a state where the tubular member 802 is attached to the legs 501, 502, 601, 602. The tubular member 823 is fitted. The tubular member 802 is inserted into the tubular member 823 from below. Then, the upper portion of the tubular member 802 is fitted into the tubular member 823 up to the portion where the flange portion 866 is provided. As described above, the flange portion 866 defines the position of the tubular member 802 fitted to the tubular member 823. Further, the flange portion 866 protrudes in the outer diameter direction below the lower end of the cylindrical member 823. The flange portion 866 functions as a second engagement portion that engages with the connecting member 804.

  In this embodiment, the outer peripheral surface 802a of the cylindrical member 802 has an outer diameter that is larger along the axial direction of the cylindrical member 802 from a portion (upper end) that is fitted into the inner portion of the holding portion 821. That is, the outer diameter of the outer peripheral surface 802 a at the upper part of the tubular member 802 fitted into the tubular member 823 gradually increases from the upper end of the tubular member 802. For this reason, the tubular member 802 is tightened by fitting the tubular member 802 into the tubular member 823. The tubular member 802 is inserted into the tubular member 823 while being attached to the leg portions 501, 502, 601, 602. When the tubular member 802 is fitted into the tubular member 823, the first engaged portions 861 to 864 of the tubular member 802 are fitted deeper into the first engaging portions 841 to 844 of the leg portions 501, 502, 601, and 602. This state is maintained.

<Falling prevention piece 867>
In this embodiment, a drop-off preventing piece 867 protruding outward is provided at the upper end of the cylindrical member 802. The drop-off prevention piece 867 is provided at a portion corresponding to the window 828 of the cylindrical member 823, as shown in FIGS. The drop-off prevention piece 867 fits into the window 828 of the tubular member 823 in a state where the tubular member 802 is fitted into the tubular member 823. A projection 829 protruding upward is provided at the lower edge of the window 828. The drop-off prevention piece 867 is stored between the upper edge of the window 828 and the protrusion 829. The drop-off prevention piece 867 is caught by the window 828 of the tubular member 823 when the tubular member 802 is pulled out from the tubular member 823. For this reason, the drop-off prevention piece 867 prevents the tubular member 802 from being suddenly detached from the state of being fitted into the tubular member 823. Note that the catch of the drop-off prevention piece 867 is not so strong. For this reason, the tubular member 802 can be pulled out from the tubular member 823.

<Scale>
Further, the lower portion of the cylindrical member 802 (below the flange portion 866) is exposed under the cylindrical member 823 even when the cylindrical member 802 is fitted into the cylindrical member 823. A notch 868 is formed in the lower part. In this embodiment, a notch 868 is formed around the slit 850 with a predetermined width in the circumferential direction. The outer peripheral surfaces of the leg portions 501, 502, 601, 602 are exposed in the notch 868. In this embodiment, the legs 501, 502, 601, 602 are provided on the outer peripheral surfaces of the legs 501, 502, 601, 602 at positions where the tubular members 802 are attached to the portions exposed from the notches 868. A scale (not shown) indicating the length is arranged.

<< Connecting member 804 >>
As shown in FIGS. 16, 23, and 24, the connecting member 804 is a member that connects the tubular member 802 to the toilet body 100 as a base material. The connecting member 804 includes a second engaged portion 881 and a locked portion 882. In this embodiment, the connecting member 804 is a ring-shaped member that can be attached to the tubular member 802.

<Second engaged portion 881>
The second engaged portion 881 is a portion that engages in the axial direction of the tubular member 802 with respect to the flange portion 866 as the second engaging portion of the tubular member 802. In the connecting member 804, the second engaged portion 881 is engaged with the flange portion 866 of the tubular material 802. In this embodiment, the second engaged portion 881 is a protrusion that protrudes toward the inner diameter side on the inner peripheral surface of the connecting member 804. The lower end edge of the connecting member 804 protrudes toward the inner diameter side. The edge at the lower end of the connecting member 804 functions as the second engaged portion 881. Moreover, in this embodiment, the 2nd engaging part of the cylindrical material 802 is continuing in the circumferential direction. The second engaged portion 881 of the connecting member 804 is also continuous in the circumferential direction. For this reason, force can be supported appropriately in any direction in the circumferential direction.

<Locked portion 882>
The locked portion 882 is a portion locked by a locking portion 822 provided in the holding portion 821. In this embodiment, the latching | locking part 822 is provided in the lower end of the cylindrical member 823 with which the boss | hub 121-124 (refer FIG. 11) of the toilet bowl main body 100 as a base material is mounted | worn. A thread groove (male thread) is formed at the lower end of the tubular member 823. On the other hand, in the connecting member 804, a screw groove (female screw) that fits into a screw groove (male screw) as the locking portion 822 of the cylindrical member 823 is formed on the inner peripheral surface of the ring-shaped connecting member 804. .

  As shown in FIG. 1, the portable toilet 10 is provided with a toilet body 100 and legs 500 and 600 at a lower portion of the toilet body 100. The legs 500 and 600 are provided with shaft-shaped legs 501, 502, 601 and 602. As shown in FIGS. 16 and 17, a holding portion 821 that holds legs 501, 502, 601, 602 is provided at the lower portion of the toilet body 100. And the holding | maintenance part 821 is provided with the axis | shaft holding structure 800 mentioned above as a structure which hold | maintains leg part 501,502,601,602.

  In the portable toilet 10, although not shown in the drawing, a connecting member 804 is inserted in advance into each leg portion 501, 502, 601, and 602. Then, the tubular member 802 is attached to the legs 501, 502, 601, 602 by adjusting the position so that the lengths of the legs 501, 502, 601, 602 are aligned. Then, the cylindrical members 802 attached to the legs 501, 502, 601, 602 are respectively attached to the holding portions 821 of the toilet body 100 (in this embodiment, the cylindrical members 823 attached to the bosses 121 to 124).

  At this time, the leg portions 501, 502, 601, 602 to which the tubular member 802 is attached are, for example, tubular members 823 attached to the bosses 121 to 124, as in the front leg 501 shown in FIG. It is attached to. Then, in this state, like the front leg portion 501 shown in FIG. 17, the connecting member 804 previously inserted into each leg portion 501, 502, 601, 602 is connected to the locking portion 822 of the toilet body 100. It is good to attach to. In this embodiment, the locking portion 822 is provided at the lower end of the cylindrical member 823, and the connecting member 804 is locked at the lower end of the cylindrical member 823.

  By attaching the connecting member 804, the tubular member 802 attached to the legs 501, 502, 601, 602 is held in a state of being attached to the holding portion 821 of the toilet body 100. Thereby, the height of the portable toilet 10 is determined. When changing the height of the portable toilet 10, the connecting member 804 is removed, the leg portions 501, 502, 601, and 602 are removed from the holding portion 821, and the cylindrical material attached to the leg portions 501, 502, 601, and 602 is removed. The position of 802 may be adjusted. Thereby, the length of the leg parts 501, 502, 601, and 602 extending from the position held by the holding part 821 can be changed. The height of the portable toilet 10 can be adjusted by adjusting the length of the legs 501, 502, 601, 602.

  As mentioned above, although one embodiment of the portable toilet proposed here has been illustrated and the shaft holding structure 800 applied to the portable toilet 10 has been described, the present invention is limited to the above-described embodiment unless otherwise specified. It is not something.

  In the above-described embodiment, each member constituting the shaft holding structure 800, that is, the leg portions 501, 502, 601, and 602 as the shaft, the toilet body 100 and the tubular member 823 as the base material, and the tubular member 802 Each of the connecting members 804 is a resin molded product. In this case, it is desirable that each member has a shape that can be easily removed after molding.

  Here, the toilet body 100 as the base material of the shaft holding structure 800 has a cylindrical member 823 attached to the bosses 121 to 124 (see FIG. 11) as the structure of the holding portion 821. Here, the holding part 821 of the toilet main body 100 has the above-described tubular member 823 as a separate body, thereby increasing the thickness of the boss part and obtaining the required strength in the holding part 821. Moreover, the external thread structure as the to-be-latched part 882 which makes the cylindrical member 823 separate can be shape | molded appropriately. In addition, as for the holding part 821 of the toilet bowl main body 100, the structure of the cylindrical member 823 may be integrally shape | molded by the boss | hubs 121-124 (refer FIG. 11).

  Further, the first engaging portions 841 to 844 formed on the leg portions 501, 502, 601, 602 are formed on the leg portions 501, 502, 601, 602 as shown in FIGS. 16, 18, 20, and 21. The protrusion which protruded from the outer peripheral surface of was illustrated. In this case, the 1st to-be-engaged parts 861-864 formed in the cylinder material 802 are good in it being a recessed part or hole in which the 1st engaging parts 841-844 fit. In this case, the guides 853 and 854 are preferably projected on the inner peripheral surface of the cylindrical member 802.

  The first engaging portions 841 to 844, the first engaged portions 861 to 864, and the guides 853 and 854 are not limited to this structure. For example, although not shown, the first engaging portions 841 to 844 formed on the legs 501, 502, 601, 602 are recessed portions or holes formed on the outer peripheral surfaces of the legs 501, 502, 601, 602. It is good. In this case, the first engaged portions 861 to 864 formed on the tubular member 802 may be protrusions that fit into the first engaging portions 841 to 844. In this case, the guides 853 and 854 protrude from the outer peripheral surfaces of the legs 501, 502, 601, and 602 as shafts, and rotate the tubular member 802 while being attached to the legs 501, 502, 601, and 602. In this case, the first engaged portions 861 to 864 of the tubular member 802 may be in contact with each other.

  In the embodiment described above, the locking portion 822 provided on the holding portion 821 of the toilet body 100 as a base material has a male screw structure, and the locked portion 882 provided on the connecting member 804 has a female screw structure. It was. The locking part 822 provided in the holding part 821 of the toilet body 100 as the base material and the locked part 882 provided in the connecting member 804 are not limited to such forms. For example, the locking portion 822 is a groove formed on the outer peripheral surface of the holding portion 821, and the locked portion 882 is a protrusion formed on the inner peripheral surface of the connecting member 804 and can be fitted into the groove. Good. The locking portion 822 may be a protrusion formed on the outer peripheral surface of the holding portion 821, and the locked portion 882 may be formed on the inner peripheral surface of the connecting member 804 and a groove into which the protrusion can be fitted.

  Further, the side surface of the cylindrical member 802 is open in the circumferential direction, and the structure in which the inner diameter is elastically expanded by opening the opening is illustrated. In the above-described form, the opening of the tubular member 802 is the slit 850, but the opening may be a structure that elastically expands the inner diameter of the tubular member 802, and unless otherwise specified, the slit 850 (elongated opening). It is not limited to.

  In the above-described embodiment, the protrusion 851 protruding in the outer diameter direction is provided on the edge of at least one end of the slit 850 (opening) formed on the side surface of the cylindrical member 802. The protrusion 851 becomes a part where a finger is hung when the slit 850 is expanded. For example, when the slit 850 may be expanded using a tool or the like, or when there is another means for expanding the diameter of the tubular member 802, the protrusion 851 may not be provided.

  In addition, the cylinder member 802 is provided with a plurality of first engaged portions 861 to 864 along the axial direction of the cylinder member 802 (three in the illustrated example). The number of 864 provided along the axial direction of the tubular member 802 is not limited to this. The number of the first engaged portions 861 to 864 provided along the axial direction of the cylindrical member 802 may be one, for example. In addition, since the force is dispersed as the number of the first engaged portions 861 to 864 provided along the axial direction of the tubular member 802 is larger, the force is distributed to one first engaged portion 861 to 864. The acting force can be kept small.

  In addition, the outer peripheral surface 802 a of the tubular member 802 has an outer diameter that is increased along the axial direction of the tubular member 802 from a portion that is fitted into the inner portion of the holding portion 821. Thereby, when the tubular member 802 is fitted into the holding portion 821, the tubular member 802 acts so as to be tightened. Unless otherwise specified, the outer peripheral surface 802a of the cylindrical member 802 as the shaft holding structure 800 is not limited to such a form.

  Moreover, the connection member 804 should just connect the cylinder material 802 to the holding | maintenance part 821 in the state by which the cylinder 802 was fitted in the holding | maintenance part 821 of the toilet bowl main body 100 as a base material. For this reason, about the structure of this connection member 804, it is not limited to the form mentioned above. For example, the connecting member 804 may not be a ring-shaped member.

  As mentioned above, although the form applied to the portable toilet 10 was demonstrated, not only the structure which adjusts the length of the leg parts 501, 502, 601, and 602 of the portable toilet 10 but the shaft holding structure 800 disclosed here, It can be applied to various uses. For example, the present invention can be applied to various uses such as a cane length adjustment structure and a bathtub chair leg length adjustment structure.

10 portable toilet 20 lid 21 hinge 22 hinge 30 toilet seat 31 hinge 32 toilet seat opening 40 bucket 41 handle 42 bucket lid 43 upper edge 50 tray 51 tray opening 52, 53 tray wall 60 toilet paper holder 100 toilet bowl body 101 receiving section 101a Bottom 101a1 Bottom rib 102 Upper surface portion 103 Outer portion 104 Bottom portion 104a Opening 104a1 Projection 111 Outer surface 112 Surface 113 that forms the periphery of the upper surface portion 114 Surface that forms the outer portion 114 Surfaces 121 to 124 that form the bottom portion Boss 121a to 124a Rib 210 Upper member 210a Upper member lower edge 210a1 Step 210a2 Engagement piece 210b Pin 210c Screw hole 211, 212 Armrest mounting part 213, 214 Backrest mounting part 215 Deodorizing device mounting part 216 Receiving part 216a Discharge path 220 Lower member 2 -Out upper edge 220a1 step 220a2 engaging piece 220b pin hole 220c threaded hole 220d cutouts 0a lower member (drain hole)
221, 222 dent 223-226 vertical hole 227, 228 engagement groove 231, 232 key hole 250 backrest 251 opening 252, 253 pillar 254 backrest 255 cushion 256, 257 engagement groove 300, 400 armrest 301, 401 armrest base 302, 402 Armrest body 303, 403 Height adjustment mechanism 311, 411 Base 312, 412 Post 312 a, 412 a Lower end 313, 413 Post 314, 414 Hollow shaft 321, 421 Engagement protrusion 322, 422 Insertion hole 323, 423 Engagement piece 341 , 441 Armrest 342, 343 (442, 443) Movable shaft 350, 450 Fixed pin 381, 382 (481, 482) Protrusion 383, 384 (483, 484) Spring 385, 386 (485, 486) Knob 500, 600 Leg 501, 502 (601, 02) Leg portions 503, 603 Front base portion 504 (604) Rear base portion 505 (605) Connecting portion 506, 606 Caster 700 Deodorizing duct 750 Deodorizing device 800 Shaft holding structure 802 Tubular material 802a Outer peripheral surface 804 of tubular material 802 Connecting member 821 Holding part 822 Locking part 823 Tubular members 823a1, 823a2 Steps 823b1, 823b2 Claw part 824 Protrusion 824a Depression 825 Notch 826 Stepping 827 Inner peripheral surface 828 of tubular member 823 Window 829 Projection 841-844 First engagement Portion 850 Slit 851 Protrusion 853, 854 Guide 855, 856 Anti-rotation 857, 858 Protrusion taper 861-864 First engaged portion 866 Fitting portion 867 Fall-off prevention piece 868 Notch 881 Second engaged portion 882 Locked portion

Claims (19)

The axis,
A substrate holding one end of the shaft;
A cylindrical member attached to the shaft;
A connecting member for connecting the tubular member to the base material,
The substrate is
A substantially cylindrical holding portion for holding one end of the shaft;
The outer portion of the holding portion has a locking portion for locking the connecting member,
On the outer peripheral surface of the shaft,
A plurality of first engaging portions are provided along the length direction of the shaft,
The tubular material is
It is elastically expandable / contractable and has an outer shape that can be fitted into the holding part,
In a state of being mounted on the shaft, at least in the length direction of the shaft with respect to an arbitrary first engagement portion among the plurality of first engagement portions provided along the length direction of the shaft. A first engaged portion that can be engaged;
A second engaging portion with which the connecting member engages;
Have
The connecting member is
A second engaged portion of the tubular member and a second engaged portion engaged in the axial direction of the tubular member;
A shaft holding structure comprising: a locked portion that is locked to a locking portion provided in the holding portion.   The shaft holding structure according to claim 1, wherein a side surface of the cylindrical member is open in a circumferential direction.   The shaft holding structure according to claim 2, wherein an edge of at least one end of the opening formed on the side surface of the cylindrical member has a protrusion protruding in the outer diameter direction. A plurality of the first engaged portions are provided along the axial direction of the cylindrical member,
4. The device according to claim 1, wherein the plurality of first engaged portions of the tubular material engage with the plurality of first engaging portions of the shaft in a state where the tubular material is mounted on the shaft. A shaft holding structure according to any one of the above. The first engaging portion formed on the shaft is a protrusion protruding from the outer peripheral surface of the shaft,
The shaft holding structure according to any one of claims 1 to 4, wherein the first engaged portion formed in the cylindrical member is a recess or a hole into which the first engaging portion is fitted.   When the cylindrical member is rotated in a state of projecting on the inner peripheral surface of the cylindrical member and attached to the shaft, the cylindrical member hits the first engaging portion of the shaft, and the first engaging portion of the shaft contacts the first engaging portion of the shaft. The shaft holding structure according to claim 5, further comprising a guide that guides the cylindrical member with respect to the shaft so that the first engaged portion is fitted. The first engagement portion formed on the shaft is a recess or a hole formed on the outer peripheral surface of the shaft,
The shaft holding structure according to any one of claims 1 to 3, wherein the first engaged portion formed on the cylindrical member is a protrusion that fits into the first engaging portion.   When projecting on the outer peripheral surface of the shaft and rotating the cylindrical member in a state of being mounted on the shaft, the cylindrical member hits the first engaged portion of the cylindrical member, and the first engaging portion of the shaft The shaft holding structure according to claim 7, further comprising a guide that guides the cylindrical member with respect to the shaft so that the first engaged portion is fitted.   9. The outer peripheral surface of the tubular member according to any one of claims 1 to 8, wherein an outer diameter of the outer peripheral surface of the tubular member gradually increases along an axial direction of the tubular member from a portion fitted into the inner portion of the holding portion. The shaft holding structure described.   The shaft holding structure according to any one of claims 1 to 9, wherein the connecting member is a ring-shaped member that can be attached to the cylindrical member. The second engaging portion is a protrusion or a step protruding on the outer peripheral surface of the cylindrical member,
The shaft holding structure according to claim 10, wherein the second engaged portion is a protrusion that protrudes toward an inner diameter side on an inner peripheral surface of the connecting member.   The shaft holding structure according to claim 11, wherein the second engaging portion is provided continuously in a circumferential direction of the cylindrical member. The locking part is a male screw formed on the outer peripheral surface of the holding part,
The shaft holding structure according to any one of claims 10 to 12, wherein the locked portion is a female screw formed on an inner peripheral surface of the connecting member corresponding to the locking portion. The locking part is a groove formed on the outer peripheral surface of the holding part,
The shaft holding structure according to any one of claims 10 to 12, wherein the locked portion is a protrusion formed on an inner peripheral surface of the connecting member corresponding to the locking portion. The locking portion is a protrusion formed on the outer peripheral surface of the holding portion,
The shaft holding structure according to any one of claims 10 to 12, wherein the locked portion is a groove formed on an inner peripheral surface of the connecting member corresponding to the locking portion. The holding portion has a cylindrical member into which the cylindrical member attached to the shaft can be fitted,
The shaft holding structure according to any one of claims 1 to 15, wherein the base member has a boss portion to which the cylindrical member is attached. The cylindrical member is
A step projecting in the outer diameter direction and hitting one end side of the boss portion;
The shaft holding structure according to claim 16, further comprising a claw portion that is caught on the other end side of the boss portion.   The shaft holding structure according to any one of claims 1 to 17, wherein each of the shaft, the base material, the cylindrical member, and the connecting member is a resin molded product. In a portable toilet with a toilet body and legs provided at the bottom of the toilet body,
The leg has an axial leg,
A holding part for holding the leg part at a lower part of the toilet body,
The portable toilet provided with the axis | shaft holding structure as described in any one of Claim 1-18 as a structure where the holding part of the said toilet bowl main body hold | maintains the leg part of the said leg.

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