JP3296955B2 - Toilet seat lifting device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a toilet seat lifting device for lifting a toilet seat relative to a toilet body.

[0002]

2. Description of the Related Art When a person sits down on a toilet seat of a Western-style toilet bowl or stands up from the toilet seat after using the toilet bowl, a heavy load is applied to the legs. Therefore, it is difficult for a person with weak leg strength, such as an elderly person, a sick person, or a person with a physical disability, to sit on the toilet seat or stand up from the toilet seat.

[0003] For this reason, a toilet seat lifting / lowering device for facilitating a seating operation on a toilet seat or an operation of rising from the toilet seat has been conventionally proposed. 8 and 9 show an example of this.

[0004] Of these, the one shown in FIG.
0 is separated from the toilet body 202, and the
4 and the frame 204 allows the toilet seat 20
0, and the upper frame 206 on the side holding the toilet seat 200 is rotatable with respect to the lower frame 208.
The toilet seat 200 is moved up and down by rotating the upper frame 206 with the lifting cylinder 210.

[0005] However, in the case of this toilet seat elevating device, there is a problem that the equipment becomes large-scale, the structure is complicated and the cost is high. In addition, the frame 204, the cylinder 210, and the like are exposed to the outside, so that the appearance around the toilet is improved. In addition, it is good to use the toilet by a person with weak legs, but there is a problem that an ordinary person cannot avoid feeling uncomfortable when using the toilet. In addition, there is a problem that great difficulty is involved in installing such a toilet seat elevating device on an existing toilet.

On the other hand, the one shown in FIG. 9 has an airbag 212 mounted between the toilet body 202 and the toilet seat 200, and the toilet seat 200 is raised and lowered by the inflation and contraction movement of the airbag 212. In the case of this example, although the problem that the toilet seat elevating device becomes large can be avoided, the upper end and the lower end of the airbag 212 are directly fixed to the toilet seat 200 and the toilet main body 202, respectively, and there is a problem in the mountability. .

[0007]

The invention of the present application has been made to solve such a problem. The toilet seat elevating device of the present invention is a device for raising and lowering the toilet seat with respect to the toilet body, and is (a) fixed to the lower surface of the toilet seat or its holder, separate from the toilet seat or the holder. A detachable toilet seat side plate, (b) a detachable toilet body side plate that is fixed to the upper surface of the toilet body and is separate from and detachable from the toilet body, and (c) the toilet seat side plate is attached to the toilet body. Raise and lower a predetermined distance with respect to the side plate,
An elevating unit having an elevating means is attached and fixed to the lower surface of the toilet seat or its holder in the toilet seat side plate, and to the upper surface of the toilet body in the toilet body side plate, so that the toilet seat and the toilet body can be connected to each other. The elevating unit is mounted in between , and the toilet seat is raised and lowered by the action of the elevating unit , and the toilet seat side plate and the toilet body side plate have a shape corresponding to the rear half shape of the toilet seat and the toilet body. Yes form and characterized in that they seat, they are arranged in the second half of the toilet body (claim 1).

According to another aspect of the present invention, there is provided a toilet seat elevating device according to claim 1, wherein the elevating unit connects the toilet seat side plate and the toilet body side plate so that the toilet seat side plate can be raised and lowered by the predetermined distance. It has a means (claim 2).

In a toilet seat elevating device according to still another aspect of the present invention, in claim 1, the elevating means is interposed between the toilet seat-side plate and the toilet body-side plate to allow a fluid such as air to enter the interior. It is characterized by comprising a fluid bag such as an airbag which can be expanded and contracted by inflow and outflow (claim 3).

[0010] In a toilet seat elevating device according to still another aspect of the present invention, in any one of claims 1 to 3 , the toilet seat side plate of the lifting unit includes an upper surface cover portion for covering an upper surface of the toilet seat side plate and the upper surface cover portion. From both ends of the
At least the toilet seat-side plate is attached and fixed to the toilet seat or its holder via a decorative cover member having a side cover that covers a side surface of the toilet body-side plate when the toilet seat-side plate is lowered. 4 ).

[0011] In a toilet seat elevating device according to yet another aspect of the present invention, in claim 4 , the decorative cover member has a shape corresponding to a rear half shape of the toilet seat, and is disposed at a rear half portion of the toilet seat. (Claim 5 ).

A toilet seat elevating device according to yet another aspect of the present invention is characterized in that, in any one of the fourth and fifth aspects, the toilet cover member is provided with an upwardly-facing front portion located a predetermined distance ahead of a rotating portion of the toilet seat on a proximal end side thereof. protruding in contact with the lower surface of the該便seat in, characterized in that the contact supporting portion for supporting the該便seat is provided (claim 6).

[0013] In a toilet seat elevating device according to still another aspect of the present invention, in claim 2 , the connecting means includes a front end and a lower end which are rotatably connected to the toilet seat side plate and the toilet body side plate, respectively. Characterized by a link mechanism having a pair of link bars.
7 ).

According to a seventh aspect of the present invention, in the toilet seat elevating device according to the seventh aspect , the connecting means engages with one of the pair of link bars during the upward movement of the toilet seat side plate to further rotate. preventing, characterized in that it has a stop bar which defines the upper end of該便seat side plates Te following (claim 8).

A toilet seat elevating device according to still another aspect of the present invention is the toilet seat elevating device according to any one of claims 7 and 8 , wherein
Makeup cover located outside the link mechanism and covering the link mechanism
It has a bar member.
9 ).

[0016]

As described above, the first aspect of the present invention uses a lifting unit having a toilet seat side plate, a toilet body side plate, and a lifting means for lifting and lowering the toilet seat side plate. The lifting unit fixed to the toilet seat side in the side plate and to the toilet body side in the toilet body side plate is mounted between the toilet seat and the toilet body, and the toilet seat is raised and lowered by the function of the lifting unit. However, according to the present invention, the lifting device for the toilet seat can be attached very easily.

Further, this elevating device is simple in terms of equipment, has a simple structure, can keep costs low, and can be easily attached to an existing toilet. That is, an existing toilet can be easily provided with a function of lifting and lowering the toilet seat.

[0018] In addition, the present invention is characterized in that the toilet seat side plate and the toilet body side plate in the lifting unit are formed in a shape corresponding to the rear half shape of the toilet seat and the toilet body, and they are arranged in the latter half of the toilet seat and the toilet body. Ariko
Thus, it is possible to prevent the toilet seat elevating device from being exposed to the front part of the toilet in the mounted state of the toilet seat elevating device, and it is possible to make the device more comfortable.

According to a second aspect of the present invention, the toilet seat side plate and the toilet body side plate are connected by connecting means so that the toilet seat side plate can be moved up and down by a predetermined distance. The toilet seat-side plate and the toilet body-side plate can be maintained in a connected state even when the body moves up and down.

According to a third aspect of the present invention, as the elevating means,
A fluid bag such as an air bag that can be inflated and contracted by inflow and discharge of a fluid such as air into the interior is used. This fluid bag can be easily inserted between the toilet seat side plate and the toilet body side plate, and when contracted, it can be thinly fitted between the two plates so that there is almost no exposure to the outside. The device can be made more compact, the structure can be simplified, and the cost can be reduced.

Further, since the fluid bag can be hardly exposed to the outside, the aesthetic appearance around the toilet can be improved, and a normal person can use the toilet without feeling uncomfortable. .

In addition, when the user sits down on the toilet seat, the fluid bag acts to absorb the impact, so that the seat can be softly seated. At this time, unlike a mechanical toilet seat elevating device, a mechanism such as a gear is used. There is an advantage that the part does not generate an abnormal noise such as "ghee" and is quiet.
Further, there is an advantage that there is no danger of fingers or the like getting caught in gears and the like.

According to a fourth aspect of the present invention, the toilet seat plate of the elevating unit is provided with a toilet seat or a toilet seat via a decorative cover member having an upper surface cover that covers the upper surface of the toilet seat plate and a side cover that covers the side surface of the toilet body plate. According to the present invention, when the toilet seat is opened (raised), it is possible to prevent the toilet seat-side plate from being exposed to the outside as it is and to impair the aesthetic appearance.

Further, since the decorative cover member also has a side cover that covers the side surface of the toilet body side plate in a state where the toilet seat side plate is lowered together with the toilet seat, that is, in a normal use state, the appearance of the toilet bowl during normal use is improved. It has the advantage of being good.

According to a fifth aspect of the present invention, the shape of the decorative cover member corresponds to the shape of the rear half of the toilet seat. According to the present invention, the decorative cover member that appears when the toilet seat is opened is a toilet seat member. Is present only in the latter half of the toilet body, that is, in the latter half of the toilet body, and therefore there is an advantage that the user does not feel uncomfortable when the toilet is used especially for small-sized use.

According to a sixth aspect of the present invention, an upward contact support portion is provided at a front portion of the decorative cover member so as to contact and support the lower surface of the toilet seat. Although the lifting unit is provided on the lower side, the toilet seat can be stably supported by the contact support portion.

According to a seventh aspect of the present invention, the connecting means is constituted by a link mechanism having a pair of front and rear link bars whose upper end and lower end are rotatably connected to the toilet seat side plate and the toilet body side plate, respectively. According to the present invention, the connecting means can be configured with a simple structure.

In this case, the front link is shortened,
By forming the rear link to be long, when the toilet seat is raised, it can be simultaneously projected forward and can be set to the forwardly inclined posture.

The invention according to claim 8 is provided with a stop bar which engages with one of the pair of front and rear link bars.
ADVANTAGE OF THE INVENTION According to this invention, a toilet seat can be reliably stopped at an appropriate height.

According to a ninth aspect of the present invention, the outside of the link mechanism is provided.
And a decorative cover member is provided to cover the link mechanism.
As hereinbefore, according to the present invention, when the lifting of the toilet seat can hide the link mechanism, it is possible to make a better aesthetics, hand or the like is inserted into the linkage mechanism by the decorative cover member Can be prevented.

[0031]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described in detail with reference to the drawings. 1 to 3, reference numeral 10 denotes a toilet body of a Western-style toilet, reference numeral 11 denotes a flush water tank, and reference numeral 12 denotes a toilet seat. Here, the toilet body 10 and the toilet seat 12 have openings 14 and 1 respectively.
6. Reference numeral 18 denotes a local cleaning device for cleaning a human body part, reference numeral 20 denotes a main body box thereof, and reference numeral 22 denotes an operation unit.

In the present embodiment, the toilet seat 12 is rotatably (openable and closable) held by the main body box 20 on the base end side. That is, in this example, the main body box 20
Constitute a holder for the toilet seat 12. It should be noted that the nozzle for jetting the washing water and the toilet lid in the local washing device 18 are omitted in FIG.

As shown in FIG. 2, between the toilet seat 12 and the toilet body 10, a toilet seat side plate 24, a toilet body side plate 26, an airbag 28 as elevating means, and a link mechanism 30 as connecting means are provided. A lifting unit 32 as a component is mounted, and the toilet seat 12 can be raised and lowered a predetermined distance from the toilet main body 10 by the operation of the lifting unit 32. A decorative cover member 34 (FIGS. 1 and 3) is arranged between the lifting unit 32 and the toilet seat 12.

As is clearly shown in FIG. 5, the toilet seat side plate 24 is separate from the toilet seat 12 and the main body box 20 serving as a holder thereof, and is detachable from the main body box 20. The body-side plate 26 is also separate from and detachable from the toilet body 10.

The toilet seat side plate 24 and the toilet body side plate 26 have a pair of side portions 36, 38 extending in the front-rear direction, respectively, and a rear portion 4 connecting them at the rear portion.
0, 42, and has a generally U-shape corresponding to the shape of the rear half of the toilet seat 12 and the toilet body 10 as a whole, and corresponds to the opening 16 of the toilet seat 12 and the opening 14 of the toilet body 10, respectively. Openings 44 and 46 are provided.

The toilet seat side plate 24 and the toilet body main plate 26 are provided with fixing holes 48, 50 at the rear portions 40, 42, respectively.
Are fixed to the body box 20 or the toilet body 10 with bolts 104 and 102 (see FIG. 4).

The toilet seat side plate 24 and the toilet body side plate 26 are formed with downward bent portions 52 and 54 at both sides 36 and 38, respectively. Further, the lower toilet body side plate 26 is formed with an extension portion 56 in which the bent portion 54 is further partially extended downward, and the extended portion 56 and the bent portion of the toilet seat side plate 24 are formed. 52, the upper end and the lower end of a pair of front and rear link bars 60 and 62 constituting the link mechanism 30 are rotatably connected.

The toilet seat side plate 24 is raised or lowered based on the rotation of the link bars 60 and 62 while maintaining the state of being connected to the toilet body side plate 26 by the link mechanism 30.

In this embodiment, the front link bar 60 is used.
The link bar 62 on the rear side is longer than the link bar 62 on the rear side. As a result, the toilet seat side plate 24 is simultaneously projected forward when ascending and takes a forwardly inclined posture.

An extension 56 of the toilet body side plate 26
, A projecting piece 66 projects obliquely rearward, and a stop bar 68 is formed on the projecting piece 66 by an L-shaped hook-shaped groove 7.
At 0, it is rotatably attached by a screw member 72.

The stop bar 68 has an engaging portion 74 which is bent outward at the distal end thereof.
Is engaged with the link bar 62 on the rear side, thereby defining the rotation end thereof, that is, the rising end of the toilet seat side plate 24. The pair of link bars 62 on the rear side
Are connected to each other left and right by a connecting rod 64 at the upper end.

The decorative cover member 34 covers the toilet seat side plate 24 in the lifting unit 32. The toilet seat side plate 24 and the toilet body side plate 26 are made of stainless steel, whereas the decorative cover member 34 is made of resin. It is made.

The decorative cover member 34 has an upper cover 75 and a side cover 76 as shown in FIG. The upper surface cover portion 75 has the same planar shape as the toilet seat side plate 24, that is, a pair of side portions 77 extending in the front-rear direction.
And a rear part 78 connecting them at the rear part, and have a substantially U-shape as a whole.

On the other hand, when the toilet seat side plate 24 is lowered, the side cover portion 76 hanging down from the both side portions 77 connects the side surface of the toilet body side plate 26 to the link mechanism 30.
Together with the shape and length to cover the inside. In addition, 80
Is an opening having a shape corresponding to the opening 16 of the toilet seat 12.

A fixing hole 48 is formed in a rear portion 78 of the upper surface cover portion 75. In the fixing hole 48, the decorative cover member 34 is attached to the main body box 20 as a toilet seat holder by bolts 104 (FIG. 4). Is fixed.

A contact support 82 having a shape projecting upward is provided at the tip of a pair of side portions 77 of the upper cover 75, and the contact support 82 contacts the lower surface of the toilet seat 12. The contact makes it possible to stably support the toilet seat 12.

Further, as shown in FIG. 2, when the toilet seat side plate 24 is raised, the decorative cover member 34 allows the side cover 76 to close the gap between the toilet seat side plate 24 and the toilet body side plate 26. The shape and length are hidden.

As shown in FIGS. 4 and 6, the airbag 28 has independent bags 28A, 28B, 28C,
28D are vertically stacked in multiple stages (four stages in this example), and they are adhered to each other at an adhesive surface 86 (see FIG. 7). Each of the bags 28A, 28B, 28C, 28D has a communication hole 8
8 are in communication with each other. Further, an air injection / discharge port 90 is provided in the lowermost bag body 28D, and an air hose 92 is connected thereto. The other end of the air hose 92 is connected to an air pump (not shown).

Here, the lowermost bag 28D is smaller than the upper bag 28C.
At the rear side of the bag 28C. As a result, when the airbag 28 is inflated by injecting (inflowing) air, it assumes a forwardly inclined posture as shown in FIG.

Further, as shown in FIG. 7, in this embodiment, the dimension a of the portion behind the bonding surface 86 of each of the bags 28A, 28B, 28C is larger than the dimension b of the front side. This also contributes to bringing the airbag 28 into the forwardly inclined posture when the airbag 28 is inflated.

The airbag 28 has a non-bag-like, ie, sheet-like, tongue piece 94 extending forward at the lowermost portion. As shown in FIG. 6, a fixing hole 96 is formed in the tongue piece 94. In this fixing hole 96, a fixing member 96 is fixed to the toilet body main plate 26 by a projection 98 (FIG. 4) made of a screw member. Have been.

On the other hand, a fixed band 100 in the form of a button is provided on the uppermost and rear side, and the fixed band 100 is wound around the connecting rod 64 and fixed.
In FIG. 4, reference numerals 102 and 104 denote the toilet body side plate 26 and the toilet seat side plate 24 of the lifting unit 32, respectively.
It is a bolt for fixing to.

In the toilet seat elevating device of this embodiment, when air is injected into the airbag 28 by an air pump (not shown) and inflated, the toilet seat side plate 24 of the elevating unit 32 6
It moves upward while rotating 0,62. As a result, the toilet seat 12 is lifted upward by a predetermined distance together with the main body box 20 of the local cleaning device 18 which is the holder.

In this embodiment, as described above, the rear link bar 62 of the pair of front and rear link bars 60, 62 is used.
Is longer, and as a result, the toilet seat side plate 24 and the toilet seat 12 assume a forwardly inclined posture while protruding forward by a certain distance during the upward movement.

Accordingly, the toilet user can easily stand up by the upward movement of the toilet seat 12 and the forward protruding movement, and the forward tilting movement of the toilet seat 12. Conversely, toilet seat 12
When sitting down (when sitting), the toilet seat 1 in the raised state
2 can be easily seated. By exhausting the air inside the airbag 28 through a predetermined exhaust valve or the like in this state, the toilet seat 12 can be lowered slowly and gently and smoothly, and the toilet seat 12 can be placed above the toilet body 10. .

In the toilet seat lifting device of this embodiment, the lifting unit 32 includes a pair of upper and lower toilet seat-side plates 24 and a toilet body-side plate 26. The toilet seat-side plate 24 is attached to the body box 20 as a toilet seat holder. Further, by fixing the toilet body side plate 26 to the toilet body 10, the lifting unit 32 can be easily mounted between the toilet seat 12 and the toilet body 10.

The toilet seat elevating device of this embodiment, which uses the elevating unit 32 as a main element, is simple in terms of equipment, has a simple structure, and can keep costs low.
In addition, this can be easily attached to an existing toilet, and the toilet seat can be easily lifted and lowered. When the toilet seat 12 is moved up and down, the link mechanism 30 is moved.
Thus, the toilet seat 12 can be smoothly moved up and down.

In this embodiment, an airbag 28 is used as a means for raising and lowering the toilet seat side plate 24. When the airbag 28 is contracted, that is, when the air is released, the airbag 28 becomes thin and the toilet seat side plate 24 and the toilet Body side plate 26
It fits well and does not protrude outside. Therefore, when using the toilet normally, it can be used without any discomfort.

Further, when sitting on the toilet seat 12, the seat can be softly seated by the shock absorbing action of the airbag 28. At this time, unlike the mechanical toilet seat lifting / lowering device using gears or the like, abnormal noise is generated. This is advantageous in that it is quiet with no occurrence of wobble and there is no danger of hand or finger biting into gears or the like.

In this embodiment, when the toilet seat 12 is raised for small use, the elevating unit 32 and the decorative cover member 3 are used.
Since each 4 is located only in the rear half of the toilet main body 10, there is an advantage that the user does not feel any uncomfortable feeling compared to a normal toilet.

The decorative cover member 34 located immediately below the toilet seat 12 has an upward contact support portion 82 formed at the front thereof, and the contact support portion 82 connects the toilet seat 12 to the base end side thereof. There is an advantage that the toilet seat 12 is stably supported when it is seated on the toilet seat 12 because it is supported at a position on the front side by a predetermined distance from the rotating part.

In the present embodiment, the stop bar 68
Engages with the link bar 62 to define the rising end of the toilet seat side plate 24, so that the toilet seat 12 can be reliably stopped at an appropriate height.

When performing cleaning, the stop bar 6
8, the screw 72 is positioned at the rear end of the L-shaped hook-shaped groove 70 so that the toilet seat side plate 24 is
And it can be made to largely protrude forward together with the toilet seat box 20, whereby the cleaning can be performed easily.

In the apparatus of this embodiment, the decorative cover member 34 covers the upper and lower toilet seat-side plates 24 and the toilet body-side plate 26 of the elevating unit 32, and the link mechanism 30 connecting these members to the inner side. , The aesthetic appearance is good, and it is possible to prevent hands and fingers from getting into the link mechanism 30 when the toilet seat 12 is raised and lowered.

Although the embodiment of the present invention has been described in detail, this is merely an example. For example, in the above example, the upper end of the airbag 28 is fixed to the connecting rod 64 by a fixing band 100 of a button fixing type.
A tongue piece similar to the tongue piece 94 of the above embodiment extends rearward on the upper part and the rear side, and a fixing hole is formed in the tongue piece. Is also possible.

In the above example, the elevating unit 32 is directly fixed to the main body box 20 of the local cleaning device 18. However, the elevating unit 32 is fixed to the holding body that holds the normal toilet seat 12. Is also possible, or alternatively, without the use of such a holder.
May be rotatably connected to the elevating unit 32 directly.

Further, in the above example, the decorative cover member 34 is formed separately from the toilet seat side plate 24. However, the present invention has the gist that the decorative cover member 34 can be formed integrally with the toilet seat side plate 24. Can be configured in variously modified forms without departing from the scope of the present invention.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a Western-style toilet with a toilet seat elevating device according to an embodiment of the present invention.

FIG. 2 is a view showing the toilet seat elevating device in FIG. 1 together with the toilet seat and the toilet body with the toilet seat raised.

FIG. 3 is an exploded perspective view showing the toilet seat elevating device in FIG. 1 disassembled into components.

FIG. 4 is a view showing the airbag in the toilet seat lifting device of the same embodiment together with its peripheral portion in an inflated state.

FIG. 5 is an enlarged perspective view showing the lifting unit in FIG. 3;

FIG. 6 is a perspective view showing the airbag in FIGS. 2, 3, and 4;

FIG. 7 is a diagram showing a planar shape of the airbag of FIG. 6;

FIG. 8 is a view showing an example of a conventional toilet seat elevating device.

9 is a diagram showing an example of a conventional toilet seat elevating device different from FIG.

[Explanation of symbols]

 Reference Signs List 10 toilet body 12 toilet seat 20 body box 24 toilet seat side plate 26 toilet bowl side plate 28 airbag 30 link mechanism 32 elevating unit 34 decorative cover member 36, 38, 77 side 40, 42, 78 rear 60, 62 link bar 68 stop Bar 74 Engagement part 75 Top cover part 76 Side cover part 82 Contact support part

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Mikihiko Morimoto 1-8 Yokokawa Shinmachi, Nishi-ku, Hiroshima City, Hiroshima Prefecture Inside Molten (72) Inventor Hideto Tamai 1-8 Yokokawa Shinmachi, Nishi-ku, Hiroshima City, Hiroshima Prefecture (56) References JP-A-9-154773 (JP, A) JP-A-9-108144 (JP, A) JP-A 7-24322 (JP, U) JP-A 64-15599 (JP) , U) Japanese Utility Model Application Sho 63-167999 (JP, U) Japanese Utility Model Application No. 1-141543 (JP, U) Registered Utility Model 3007794 (JP, U) US Patent 3479086 (US, A) International Publication 89/8437 (WO, A1) (58) Field surveyed (Int. Cl. ⁷ , DB name) A47K 13/10

Claims (9)

(57) [Claims] 1. A device for raising and lowering a toilet seat with respect to a toilet body, comprising: (a) a toilet seat side plate fixed to a lower surface of a toilet seat or a holder thereof, which is separate from and detachable from the toilet seat or the holder. (B) a toilet body-side plate that is fixed to the upper surface of the toilet body and that is separate from and detachable from the toilet body; and (c) the toilet seat-side plate is moved up and down a predetermined distance with respect to the toilet body-side plate. An elevating unit provided with an elevating means is attached and fixed to the lower surface of the toilet seat or its holder in the toilet seat side plate, and to the upper surface of the toilet body in the toilet body side plate, so that the toilet seat and the toilet body can be connected to each other. The lifting unit is mounted in between , and the toilet seat is raised and lowered by the action of the lifting unit , and the toilet seat side plate and the toilet body side plate are A toilet seat elevating device which has a shape corresponding to the shape of the rear half of the toilet seat and the toilet body, and is arranged at the rear half of the toilet seat and the toilet body. 2. The lift unit according to claim 1, wherein the lifting unit includes a connecting means for connecting the toilet seat side plate and the toilet body side plate so that the toilet seat side plate can be raised and lowered by the predetermined distance. Toilet seat lifting device. 3. The air according to claim 1, wherein the elevating means is interposed between the toilet seat side plate and the toilet body side plate, and is capable of expanding and contracting by inflow and discharge of a fluid such as air into the interior. A toilet seat elevating device comprising a fluid bag such as a bag. In any one of 4. The method of claim 1 to 3, the seat-side plate in the lifting unit, suspended from left and right ends of the top cover portion and the upper surface cover portion covering the upper surface of the該便seat side plate, at least the A toilet seat elevating device, wherein the toilet seat lifting device is attached and fixed to the toilet seat or its holder via a decorative cover member having a side cover that covers a side surface of the toilet body side plate when the toilet seat side plate is lowered. 5. The toilet seat elevating device according to claim 4 , wherein the decorative cover member has a shape corresponding to a rear half shape of the toilet seat, and is arranged at a rear half portion of the toilet seat. 6. The toilet seat according to any one of claims 4 and 5 , wherein the decorative cover member projects upward from a rotation portion on a base end side of the toilet seat on a front side by a predetermined distance, and abuts on a lower surface of the toilet seat; A toilet seat elevating device provided with a contact support portion for supporting the toilet seat. 7. The link mechanism according to claim 2 , wherein the connecting means has a pair of front and rear link bars rotatably connected at an upper end and a lower end to the toilet seat side plate and the toilet body side plate, respectively. A toilet seat elevating device characterized by being made of. 8. The toilet seat side plate according to claim 7 , wherein the connecting means engages with one of the pair of link bars during the upward movement of the toilet seat side plate to prevent further rotation. A toilet seat lifting device having a stop bar for defining a rising end. 9. The link according to claim 7 , wherein the toilet seat elevating device is located outside the link mechanism.
A toilet seat elevating device having a decorative cover member for covering a mechanism .