JP2006026324A - Height adjusting device for portable toilet - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To adjust the height of a toilet seat to a height corresponding to a body height and to arbitrarily assemble a leg part and a seat part having different forms by mutually separately constituting the leg part having a height adjusting mechanism from the seat part having a toilet bowl, in a portable toilet. <P>SOLUTION: A seat surface height adjusting mechanism in a chair type portable toilet can constitute a single portable toilet by assembling the seat part 10 or 20 having an independent structure from the leg part 30 with the leg part 30, a plurality of assemblies each formed by crossing a pair of supports 31 and 32 and pivoting them at a crossing part 33 are prepared as the height adjusting mechanism, and the height can be adjusted by changing the crossing angle of the supports 31 and 32. The height adjusting mechanism is so formed that ones of the lower ends and upper ends of the respective supports 31 and 32 are pivoted at a lower frame 34 and an upper frame 35, the others of the lower ends and the upper ends of the respective supports are slidably provided at the lower frame 34 and the upper frame 35, and the sides of the supports provided slidably are attached with energizing means 44 such as resilient members or piston cylinder devices. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

The present invention relates to a seat surface height adjusting device in a chair-type portable toilet.

  Although a chair-type portable toilet is known, there is a difference whether it is a stall type or a backrest, but the height to the seating surface is constant, so it is not suitable depending on the height of the user. If it is too low, it will be a burden to sit and stand, and if it is too high, it will be difficult to sit. In particular, those who need portable toilets, such as elderly people and victims, often have difficulty in freely moving their bodies, so even a slight difference in height makes them extremely difficult to use.

  On the other hand, what is called a toilet bowl whose height can be adjusted has also been proposed. For example, in Japanese Patent Application Laid-Open No. 2001-161595, a nursing care unit that incorporates several cylinders and raises and lowers a seat to adjust the height. A toilet bowl is disclosed. Those with such a mechanism support the full load of the toilet and the user with the cylinder device, which is complicated, expensive and heavy as a toilet for nursing care. It is.

  In addition, the conventional chair-type toilet device has a structure in which a lower part serving as a leg or a base and an upper part having a toilet seat are integrated, and the above-described invention is also the same. In these conventional structures, since the structure of the toilet seat or chair is inseparable from the lower structure, for example, only the design of the toilet seat cannot be changed. In such a case, for example, it is reasonable if only the toilet seat or only the height adjustment mechanism can be replaced. However, as described above, the lower part serving as a leg or a base and the upper part having the toilet seat are integrated. However, it is not easy to change the design because there is a problem that some of the changes are in the whole.

JP 2001-161595 A JP 2003-475

  The present invention has been made paying attention to the above points, and the problem is that the portable toilet can be adjusted to the height corresponding to the height of the toilet seat, and the leg portion having the height adjusting mechanism. And a seat having a toilet are made independent from each other so that legs or seats having different forms can be arbitrarily combined. Another object of the present invention is to make it possible to adjust the height almost infinitely by relatively simple means and configuration.

  In order to solve the above-mentioned problems, the present invention relates to a seat height adjustment device for a chair-type portable toilet, in which a seat having an independent structure with respect to a leg is combined with the leg to provide one portable toilet. As a height adjustment mechanism, a pair of struts crossed and a plurality of shafts supported at the intersection are prepared and the height can be adjusted by changing the crossing angle of the struts. It is a thing.

  The portable toilet according to the present invention is a chair type comprising leg portions and a seat portion, and the seat portion has a backrest. With regard to the leg and seat, they have an independent structure, meaning that they are separable from each other, and that each part, especially the leg, can independently exert a height adjustment function when separated. It is the meaning that it is necessary to have. Legs and seats having independent structures do not need to have a predetermined combination, and a plurality of different types of materials and structures can be combined, and the combination can be arbitrarily changed. It becomes possible.

  One portable toilet shall have a toilet on the seat, and the toilet shall be located on the leg. It is preferable that the toilet seat cover is covered with a so-called toilet seat cover so that the toilet seat cover can be used as a seat plate so that it can be used as a chair when not in use. The portable toilet becomes a chair with a toilet. In the present invention, it is possible to use a seat portion having a toilet and a seat portion not having a toilet as a seat portion. .

  The height adjusting mechanism is provided on the leg portion, and a plurality of members supporting a pair of support columns intersecting in an X shape are prepared, and the height can be adjusted by changing the intersecting angle. Therefore, the means and configuration for changing the crossing angle of the struts are arbitrary, but it is desirable that one of the lower end and the upper end of each strut be pivotally supported by the lower frame and the upper frame, and the other lower end and upper end of each strut be lowered. The frame and the upper frame are slidably provided, and an urging means including an elastic member, a piston, a cylinder device, and the like is attached to a slidable support column side. If the upper frame is urged upward by the urging means, the height of the seat can be changed arbitrarily by the downward load from above, and if the load is removed, the seat will be urged upward. Can do.

  In the case of urging by an elastic member, there is a method in which a compression spring is applied in a direction in which one of the lower ends of each column approaches one another, and the other end of the lower end using a positioning mechanism at a position where the seating surface is at an appropriate height. Can be held at a certain height. When a piston / cylinder device that uses fluid pressure is used for biasing, it is biased so as to tend to raise the seat due to fluid pressure. To fix the height of the seat, fluid pressure is used. However, a mechanical positioning mechanism is not necessary, and can be performed by controlling the pressure fluid in the fluid pressure circuit.

  Since the height adjustment mechanism has an independent configuration, it can be used as a stepping platform by removing it from the seat, and a stepping plate is placed on the upper frame. In this case as well, the height can be adjusted, so that it can be configured as a step adjustable height. The legs can be provided with small wheels as a minimum movement means, but portable toilets and stepping boards like the present invention do not require four wheels, for example, a pair of left and right two wheels are provided at the rear. Is sufficient. These two wheels are intended to move portable toilets, but are not intended for transport, but should be used for limited purposes such as shifting the position and attached to the rear of the legs. Even in such a case, there is no wheel on the front side of the leg, and there is no fear of moving unexpectedly because a load is applied.

  Since the present invention is configured and operates as described above, in the portable toilet, the height of the toilet seat can be adjusted to a height corresponding to the height, and the leg portion having the height adjusting mechanism. Since the seat and the seat having the toilet are independent from each other, one portable toilet can be configured by arbitrarily combining legs or seats having different forms, and various types of seats are combined. It contributes to the diversity of product development, and has a remarkable effect such as being able to give a multifunctional product that can be used as a chair or a wheelchair to a single-function product called a portable toilet.

  Hereinafter, the present invention will be described in more detail with reference to the illustrated embodiments. FIG. 1 is an illustration of a portable toilet to which a height adjusting device according to the present invention is applied. Two types of seats 10 and 20 of a seat 10 having a toilet 11 and a seat 20 having no toilet are shown in FIG. This is combined with one type of leg 30.

  The seat portion 10 using the toilet 11 is a lightweight one in which an aluminum pipe is processed to provide engagement frame portions 15 and 15 for the seat frame 12 and the back frame 13, the elbow pads 14 and 14 ′, and the leg portion 30. The toilet bowl is provided with a toilet seat 16 and a seat plate 17 that also serves as a toilet seat cover. One of the elbow pads 14, 14 'is shortened to about half of the other 14 for convenience of use. The pair of left and right engaging frames 15 and 15 have the same shape and sandwich the outside of an upper frame 35 of a leg 30 described later, and the seat 10 is rested on the upper frame 35. Since the seat portion 10 in this example is made of aluminum, it can be washed with water by covering the seat plate 17 with a resin sheet together with the toilet seat 16 made of plastic.

  The seat plate 17 has a two-fold structure, and in a state where it is used as a portable toilet, it is flipped up as a two-fold and used as a backrest. Further, a backrest 18 is attached to the back frame 13 for use as a chair in which the seat plate 17 is extended over the toilet seat cover 16 and closed. Further, the upper end portion of the back frame 13 is bent backward to make it feel lower and can be used as the handle 19.

  The seat 20 that does not have a toilet bowl is a furniture-like one provided with a seat frame 21, a back frame 22, and elbow pads 23, 23 using wood, and a seat plate 24 and a back frame are provided on the seat frame 21. 22 is provided with a backrest 25 so that it can be seated more comfortably than the seat 10 using the toilet 11. The illustrated elbow pads 23, 23 are pivotally supported on the back frame 22 by a rear end shaft 26, and the front end support members 27, 27 are associated with support material receivers 28, 28 provided on the left and right side surfaces of the seat frame 21. Combine and use as shown. The elbow pads 23 and 23 have an operation lever 29 for releasing the engagement. When this lever is operated, the support members 27 and 27 are removed from the support material receiver 28 and the elbow pads 23 and 23 are rotated downward. It is comprised so that it can change to the state which the pads 23 and 23 lowered along the back frame 22. FIG.

  The leg portion 30 includes a height adjusting mechanism in which two pairs of one-to-two support columns 31 and 32 that intersect each other in an X shape and are pivotally supported by the intersecting portion 33 are arranged in parallel. One end of one column 31, 31 is pivotally coupled to the lower frame 34, and the other end of one column 31, 31 is slidably provided on the upper frame 35. One end is pivotally coupled to the lower frame 34, and the other ends of the other support columns 32, 32 are slidably provided on the upper frame 35, and the height is changed by changing the crossing angle of the support columns 31, 32, 31, 32. The height is adjustable. The lower frame 34 has two parallel frame portions, a guide roll 36 is provided on the inner side thereof, and a slide can be smoothly performed by a guide roll 37 attached to the other lower end of the other support columns 32 and 32. ing. The upper frame 35 also has two parallel frame portions, a guide rail 38 is provided on the inner side thereof, and a guide roll 39 attached to the other upper end of one of the columns 31, 31 can smoothly slide. It has become.

  In the case of illustration, the other support | pillars 32 and 32 are couple | bonded by the horizontal member 41, Therefore, the support | pillar lower end is pivotally supported by the connection member 42 with the horizontal member 41. FIG. Further, the coupling member 42 is provided with auxiliary rolls 43 and 43 having a guide surface inside the guide rail 36. One end of the coil spring is attached as a biasing means 44 to the leg portion of the other support column 32, 32, which is slidably provided in this manner, and the other end of the coil spring is attached to the one support column 31, 31 side. Tensile force is applied so that the crossing angle between the support columns 31 and 32 is reduced. Note that a piston cylinder device may be used as the urging means, and the crossing angle of the pair of columns 31 and 32 may be changed by expansion and contraction of the piston.

  In the example using a coil spring as the urging means 44, a positioning mechanism is provided to fix the pair of struts 31 and 32 at an arbitrary crossing angle. The illustrated positioning mechanism includes an adjustment hole 45 arranged along the movement direction of the lower end of the other support column 32, and an engagement element 46 that can be engaged with and disengaged from the adjustment hole 45, and the other end of the engagement element 46. Is attached to a lever 48 that is operated by an operation cable 47 made of a push-pull cable or the like, and has a structure that biases the engaging element 46 in the direction of engagement with the adjustment hole 45 by a pressing means 49 made of a compression spring. is doing. It should be noted that the adjustment holes 45 can be finely adjusted if they are provided at the smallest possible intervals.

  The leg 30 is further provided with a small wheel at the frame rear end 52 of the lower frame 34 as a moving means 51. The small wheel is slightly lower than the lower surface of the lower frame 34, and the rear end of the frame part 52 is also protruded rearward so that the fulcrum 53 at the front end is lifted to facilitate movement only by the small wheel. ing. It is also possible to use a detachable wheel 54 as a more positive transport means. The wheel 54 preferably has a screw shaft for attachment to the wheel frame, and can be attached and removed by a simple method such as screwing it into a screw hole 55 formed in the lower surface of the lower frame.

  In the portable toilet height adjusting apparatus according to the present invention, the seat portion 10 can be placed on the leg portion 30 to constitute one portable toilet. See FIG. The seat 10 is placed in a stable state in which the toilet 11 is placed between the pair of support columns 31, 32, 31, 32 by placing the engagement frames 15, 15 on the outside of the left and right frame portions of the upper frame 35. However, it is possible to freely fix the leg portion 30 and the seat portion 10 together with auxiliary fixing means. Instead of placing the seat portion 10 on the leg portion 30, it is possible to place the footboard 40 on the leg portion 30, and in this case, the leg portion alone can be used as a footrest. Moreover, when the seat part 20 which does not have a toilet bowl is mounted in the leg part 30, it can be used as a chair which can adjust height.

When the positioning means is disengaged and a load is applied to the legs 30 or the seats 10 and 20 combined with the legs 30, the legs 30 or the seats 10 and 20 are moved under the action of the biasing means 44. The height can be changed, and as a result, if the operation rope 47 is operated and fixed at the selected height, a portable toilet with a seat surface of a desired height, a chair, or a step of any height It becomes.

The perspective view which shows embodiment of the height adjustment apparatus of the portable toilet which concerns on this invention. The perspective view which looked at the guide rail and the positioning mechanism part from the bottom. Plane explanatory drawing of a positioning mechanism part. The side view which shows a use condition.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10, 20 Seat part 11 Toilet bowl 12, 21 Seat frame 13, 22 Back frame 15 Engagement frame 17, 24 Seat 18, 25 Backrest 19 Handle 30 Leg part 31, 32 A pair of support | pillar 33 Intersection part 34 Lower frame 35 Top Frames 36 and 38 Guide rails 37 and 39 Guide rolls 40 Tread plates 41 Horizontal members 43 Auxiliary rolls 44 Energizing means 45 Adjustment holes 46 Engaging elements 47 Operation cords 51 Moving means 53 Support points

Claims (3)

A seat surface height adjusting device for a chair-type portable toilet, wherein a seat having an independent structure with respect to a leg can be combined with the leg to constitute one portable toilet. A height adjustment device for a portable toilet having a configuration in which a plurality of support mechanisms that cross a pair of support columns and are pivotally supported at the crossing portion and the height can be adjusted by changing the crossing angle of the support columns. The height adjustment mechanism is provided so that one of the lower end and the upper end of each column is pivotally supported by the lower frame and the upper frame, and the other of the lower end and the upper end of each column is slidably provided on the lower frame and the upper frame. 2. The portable toilet height adjusting device according to claim 1, wherein a biasing means such as an elastic member or a piston cylinder device is attached to the column side. 2. The height adjusting device for a portable toilet according to claim 1, wherein the height adjusting mechanism becomes a step by removing from the seat portion, and a step board is placed on the upper frame for that purpose.

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