JP2010240169A - Lid structure of portable toilet - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a lid structure of a portable toilet, capable of easily changing the state to an erected state or to a rearward rotated state to the rear of a backrest in the opening/closing motions of a lid. <P>SOLUTION: The portable toilet has erected parts erected from right and left sides in the rear on the upper surface of a toilet body, and includes the backrest with an opening under a back pad by connecting the upper parts of the right and left erected part by the back pad, and the lid part for covering the upper surface of the toilet body. Sides in the rear of the lid part are pivotally attached to the toilet body, and the lid part has an erection restraining means for retaining the lid part in the erected state to close the opening in the backrest when the lid part is rotated to the rear around a horizontal axis. When the erection restraining means is released, the lid part is rotated rearward via the opening in the backrest, and the lid part is in the opened state to open the opening in the backrest. <P>COPYRIGHT: (C)2011,JPO&amp;INPIT

Description

  The present invention relates to a portable toilet used in a general room, and more particularly to a two-stage opening / closing structure of a lid that covers the upper part of a toilet body.

In a portable toilet with a backrest, if the lid covering the toilet body is opened to the backrest in an upright state, the lid becomes an obstacle and cannot be cared for from behind, so the opening provided in the backrest Portable toilets that can be rotated further back via are known.
For example, in Document 1, the seat plate is rotated backward about a pivot pin that extends from both sides of the rear end of the toilet body so as to stand upright. In the standing state, the front edge of the pivot bracket is first engaged. Disclosed is a portable toilet that abuts against a stop pin and lifts the seat plate upward, whereby the front edge of the pivot fitting is disengaged from the first locking pin and further pivots backward.
However, in the opening / closing structure of the seat plate (lid portion) disclosed in the publication, it is not always easy to lift the lid portion folded in half because the lid portion must be lifted.

JP 2006-43309 A

  An object of the present invention is to provide a lid structure for a portable toilet that can be easily switched between an upright state and a backwardly rotated state of a backrest portion in the opening / closing operation of the lid portion.

  The lid structure of the portable toilet according to the present invention is such that the upright portion is erected from both the left and right sides of the upper rear portion of the toilet main body, and the upper portions of the left and right upright portions are connected by the backrest portion. A portable toilet having a backrest having an opening formed below the lid and a lid that covers the top surface of the toilet body, the lid being pivotally attached to the toilet body, When it is rotated around the horizontal axis on the rear side, it has an upright restricting means that keeps the upright portion closing the opening of the backrest, and when the upright restricting means is released, the lid portion opens the backrest It turns to back via a part, It will be in the open state which opened the opening part of the backrest part, It is characterized by the above-mentioned.

As a method of providing the standing restriction means, a stopper member that protrudes and sinks from the backrest portion or the rising portion toward the opening of the backrest portion may be used.
The structure of the stopper member is not particularly limited as long as the stopper member protrudes and acts to restrict the lid portion from passing through the opening of the backrest portion.
For example, a structure that projects in a sliding manner toward the opening of the backrest, a structure in which a lever member rotates and projects into the opening, and the like are given as examples.
Here, when the stopper member is provided so as to protrude from the backrest portion toward the lower opening portion, the lid portion has a folding structure in which the front lid and the rear lid are foldably connected in a mountain shape. The folding portion may be provided with a locking portion that comes into contact with the stopper member.

As another method of providing the standing restriction means, an arm member that hangs downward from the rear part downward is pivotally or pivotally attached to the rear side of the toilet body, and the standing restriction means is the arm. It may be a stopper member that restricts rotation of the member to a state where the lid portion is in an upright state.
An operation section for operating the stopper member can be provided on the toilet body main body side.
Specifically, the arm member is a shaft member in the left-right direction on the rear side portion of the toilet body main body, and is axially connected so as to form a locking portion below the shaft member, and the stopper member is the toilet body main body. An operation part located on the upper surface side of the part and a lock claw protruding and retracting rearward of the toilet body part. When the lock claw protrudes rearward, the lock claw comes into contact with the locking part of the arm member, and the lid part It may be restricted to a state where is in a standing state.
Here, as long as the lock claw can protrude rearward, the stopper member mounting structure may be a rotating structure or a sliding structure.
Further, the arm member is axially connected to the rear side portion of the toilet body main body by a left and right shaft member, and the stopper member is a slide member that slides in the left and right direction on the rear side portion of the toilet body portion, When the operation part which the said toilet member has on the toilet body part side is operated and a slide member crosses an arm member, the example which restrict | limits to the state by which the cover part became the standing state is mentioned.
Furthermore, the arm member is pivotally attached to the left and right shaft member provided on the rear side portion of the toilet body main body with the upper and lower elongated holes in the arm member longitudinal direction, and the shaft member is in a state where the lid portion is closed. Is located at the upper part of the long hole, and the stopper member is a restricting part that comes into contact with the tip of the arm member when the lid member is turned upright while the shaft member is located at the upper part of the long hole. If the arm member is pulled rearward along the elongated hole, the distal end portion of the arm member may be disengaged from the restricting portion and turn rearward.
In addition, in this specification, the backrest part side of a portable toilet is expressed as the back and the left and right direction or the width direction toward the backrest part.

  In the present invention, when the lid portion is rotated to the rear side, the lid portion is provided with a standing restriction means that keeps the standing portion closing the opening of the backrest portion. Is rotated backward via the opening of the backrest, so that it is easy to switch the lid between the standing state and the rearward rotation state of the backrest.

  In the invention according to claim 2, since the stopper member projecting toward the opening portion of the backrest portion from the backrest portion or the rising portion is provided, the stopper member is directed to the opening portion of the backrest portion. The lid can be maintained in an upright state simply by leaning against the stopper member. If the stopper member is immersed, the lid can be rotated backward via the opening of the backrest.

In the invention according to claim 4, the arm member is pivotally or pivotally attached to the rear side portion of the toilet body main body with an arm member that hangs downward from the rear portion toward the lower side, Since the stopper member restricts the rotation of the cover member to the state where the lid portion is in the standing state, the arm member hits the stopper member and cannot be rotated backward.
Here, operability is excellent when an operation portion for operating the stopper member is provided on the toilet main body side.
Examples of the method for restricting the rotation of the arm member include the methods described in claims 6 to 8 and the like, but each has a simple structure, and the lid portion is switched between the standing state and the backward rotation state of the backrest portion. Easy to do.

The external perspective view of a portable toilet is shown. The state which rotated the cover part to the back of a backrest part is shown. A state in which the lid is folded in two and rotated rearward to be in an upright state and a state further rotated rearward is shown. The example which provided the stopper member which maintains a standing state in the backrest part of the backrest part is shown. The enlarged view of the arm member of a cover part is shown. The structural example of the stopper member operated on the upper surface of a toilet bowl main-body part is shown. The structural example which provided the stopper member of the left-right direction sliding type in the rear side part of the toilet bowl main-body part is shown. An example of a structure in which an arm member is pivotally attached by a long hole is shown.

As shown in FIGS. 1 and 2, the portable toilet 1 includes a toilet tub 11 at the center of the toilet body 10 and has a toilet seat 12 that can be removed.
Four leg portions 50 that support the toilet main body 10 are connected to the lower surface side of the toilet main body 10.
There is a lid 40 that can be folded in two so as to cover the upper part of the toilet seat 12 (the detailed structure of the lid will be described later), and a backrest 20 is detachably attached to the rear of the toilet body 10. The backrest portion 20 has a structure in which upper portions of the left and right rising portions 21 are connected by a backrest portion 22 and an opening S is provided under the backrest portion 22.
Thereby, since the cover part folded in half is rotated backward via this opening S, the caregiver can care for via the opening S from the back of the backrest part 20.
Armrests 30 are attached to both edge portions of the upper surface of the toilet body 10, and the armrests 30 can be adjusted in height and detached.

1 to 5 show a first embodiment of a lid structure according to the present invention.
The lid 40 is connected so that the front lid 42 and the rear lid 41 can be folded in two in a mountain shape by a hinge member 41a as shown in FIG.
In this example, the front lid 42 is provided with a hand portion 42a so as to be easily folded into a mountain.
The rear part of the rear lid 41 is connected and fixed to the rotating metal fitting 43 as shown in FIG. 5A in a rear view and the enlarged view of the arm member 44 in FIG. 5B. A pair of arm members 44 hanging left and right are provided on the left and right sides, and the lower end portions of the arm members are pivotally connected around a horizontal axis in the front-rear direction by a shaft member 44a attached with a recess 10b formed in the toilet body. is there.
As shown to Fig.4 (a), it has the stopper member 22a which slides up and down toward the opening part S from the backrest part 22. As shown in FIG.
In this embodiment, the stopper member 22a slides up and down. However, a structure in which the stopper member pivots left and right or folds forward and backward to project and retract into the opening S is adopted. In addition, the mounting position may be the rising portion 21 instead of the backrest portion 22.
Next, the opening / closing operation of the lid will be described with reference to FIG.
As shown in (a), a hand is put on the handle 42a so that the front lid 42, the rear lid 41, and the rotation connecting portion are lifted upward, folded into a mountain, and the lid is raised as shown in (b). To.
In this standing state, the center of gravity of the lid portion has moved rearward from the shaft center that is axially connected by the shaft member 44a, and a force is acting so as to further rotate rearward, as shown in FIG. As shown in the figure, when the stopper member 22a is slid downward and the tip portion protrudes from the opening S, the lid portion 40 hits the stopper member 22a and restricts further rotation to the rear.
In the present embodiment, as shown in FIG. 4 (b), a locking portion to the stopper member 22a, which is a protruding portion 42b protruding upward from the bent end portion of the front lid 42, is provided, and it is easy to lock the stopper member 22a. It has become.
When the front lid 42 is opened and closed, the protrusion 42b is accommodated in a recess provided at the end of the rear lid 41.
As in the present embodiment, when the engaging portion for the stopper member 22a is provided in the folding portion of the front lid 42 and the rear lid 41, the following effects are obtained.
When the front cover 42 and the rear cover 41 are lifted so that they are mountain-folded at the connecting portion by placing a hand on the handle portion 42a, the rear cover 41 rotates around the horizontal axis of the rotating metal fitting 43 connected to the rear portion, and The folding end portion of the lid 41 passes under the backrest portion, but the folding end portion of the front lid 42 with the handle portion 42a is in a state close to horizontal movement, Must pass by side.
Therefore, the movement trajectory of the folding end portion when passing under the back pad portion is higher than the rear lid 41 in the standing state by the thickness of the front lid 42, and the lower end of the back pad portion is the rear lid 41. The front lid cannot pass unless it is higher than the passage height.
That is, in the standing state, a gap necessary for the passage of the front lid 42 is generated between the folding end portion of the rear lid 41 and the lower end of the backrest portion, but protrudes upward from the folding portion as in this embodiment. If the latching | locking part to provide is provided, it will contact | abut so that this clearance gap may be plugged up with this latching | locking part and the stopper member 22a.
When the stopper member 22a is slid upward, the restricted state is released, and the lid 40 is further rotated rearward as shown in FIG. 3C, and the opening S is released.
At this time, the side portion of the arm member 44 hits the receiving portion 10a of the toilet main body, and the released state is maintained.

A second embodiment is shown in FIG.
The rear lid 41 is connected and fixed to an arm member 44 that hangs downward, and the arm member 44 is axially connected to a shaft member 44a provided in the left-right direction on the rear side of the toilet body. The member 44 has a locking portion 44b below the shaft portion (on the opposite side of the shaft portion from the rear lid 41).
The stopper member 60 is substantially L-shaped when viewed from the side, and the operation portion 63 is positioned on the upper surface portion of the toilet main body 10, and a shaft member 62 is axially connected to the toilet main body portion along the operation portion side. Protrudes behind the toilet body.
As shown in (b), when the operating portion is moved to the left side and the lock claw 61 protrudes backward, the locking portion 44b of the arm member 44 hits the lock claw 61, and the standing state of the lid portion 40 is maintained. .
As shown in (c), when the operation portion 63 is moved to the right side, the lock claw 61 is immersed, the restriction is released, and the lid portion rotates backward until the arm member 44 contacts the receiving portion 10a.

A third embodiment is shown in FIG.
The vicinity of the lower end portion of the arm member 44 is axially connected to the left and right side portions of the recess 10a provided on the toilet main body side by the shaft member 44a, the arm member 44 rotates in the front-rear direction, and the lid portion 40 opens and closes.
In the example, a slide member 70 that slides in the left-right direction is provided on the rear side of the toilet main body 10.
By operating the operation portion including the knob portion 72 of the slide member 70 and sliding it to the left side so that the tip end portion 71 of the slide member does not hit the arm member 44 as shown in FIG. Although the movement is not restricted, when the slide member 70 is slid in the right direction as shown in (c) and the distal end portion 71 crosses the arm member 44, the lower portion of the arm member 44 hits the slide member 70, and the lid portion 40 standing states are maintained.
In this embodiment, the slide member is disposed below the shaft member so that the slide member is received at the lower part behind the axis center of the arm member. However, the slide member is received from the tip side of the arm member above the shaft portion. Even if it arrange | positions, it shows the same effect | action.

A fourth embodiment is shown in FIG.
The vicinity of the lower end portion of the arm member 44 is pivotally attached to the pin member 46 on the toilet main body side through a long hole 45 provided vertically in the longitudinal direction of the arm member.
When the lid portion 40 is closed, the upper portion of the long hole 45 is in contact with the pin member 46 as shown in FIG. When the lid 40 is rotated rearward in this state, as shown in (b), a restricting portion 80 is provided on the toilet main body side so as to hit the locking portion 44b of the arm member 44 and maintain the lid in an upright state. .
As shown in (c), when the lid portion 40 is pulled up in the upright state, the arm member 44 moves substantially horizontally along the elongated hole 45, and the locking portion 44b comes off from the restricting portion 80. , (D), the lid 40 rotates to the back of the backrest 20.

DESCRIPTION OF SYMBOLS 1 Portable toilet 10 Toilet body part 12 Toilet seat 20 Backrest part 22 Backrest part 22a Stopper member 30 Armrest part 40 Cover part 44 Arm member 50 Leg part 60 Stopper member 70 Slide member

Claims (8)

A backrest that has an upright portion formed by standing upright from both the left and right sides of the rear upper surface of the toilet body, and connecting the top of the left and right uprights with a backrest. And a portable toilet having a lid that covers the upper surface of the toilet body,
The lid part pivotally attaches the rear side to the toilet body part, and when the lid part is rotated around the horizontal axis to the rear side, an erecting restricting means for keeping the standing part closing the opening of the backrest part is provided. The portable toilet is characterized in that when the standing restriction means is released, the lid part is rotated rearward through the opening part of the backrest part and the opening part of the backrest part is opened. The lid structure.   2. The lid structure of a portable toilet according to claim 1, wherein the standing restriction means is a stopper member that protrudes and sinks from the backrest or the rising portion toward the opening.   The lid portion of the portable toilet according to claim 2, wherein the lid portion is formed by connecting the front lid and the rear lid so as to be foldable in a mountain shape, and the latch portion is provided on the folding portion so as to contact the stopper member. Construction. The lid is pivotally or pivotally attached to the rear side of the toilet body with an arm member that hangs downward from the rear,
The portable toilet lid part structure according to claim 1, wherein the standing restriction means is a stopper member that restricts the rotation of the arm member to a state where the lid part is in the standing state.   5. The portable toilet lid structure according to claim 4, wherein an operation portion for operating the stopper member is provided on the toilet main body side. The arm member is a shaft member in the left-right direction on the rear side portion of the toilet main body, and is axially connected so as to form a locking portion below the shaft member,
The stopper member has an operation portion located on the upper surface side of the toilet main body and a lock claw protruding and retracting rearward of the toilet main body. When the lock claw is protruded rearward, the lock claw is brought into contact with the engaging portion of the arm member. 6. The lid structure for a portable toilet according to claim 5, wherein the lid is restricted to a state in which the lid comes into contact with each other and is in an upright state. The arm member is axially connected to the rear side portion of the toilet bowl main body by a left and right shaft member,
The stopper member is a slide member that slides in the left-right direction on the rear side of the toilet body, and when the operation member on the toilet body side of the slide member is operated and the slide member crosses the arm member, the lid portion is 6. The portable toilet lid structure according to claim 5, wherein the lid structure is restricted to a standing state. The arm member is pivotally attached to the left and right shaft member provided on the rear side of the toilet body main body with the upper and lower elongated holes in the longitudinal direction of the arm member, and the shaft member is oblong when the lid is closed. Located at the top,
The stopper member is a restricting portion that comes into contact with the tip of the arm member when the lid member is turned upright while the shaft member is positioned at the upper portion of the elongated hole, and the raised lid portion is moved rearward along the elongated hole. 5. The portable toilet lid structure according to claim 4, wherein when pulled, the distal end portion of the arm member is disengaged from the restricting portion and can be rotated rearward.

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