JP2006020682A - Toilet seat device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a toilet seat device constituted in such a manner that a toilet seat can be manually elevated and lowered. <P>SOLUTION: A fixed base plate 12 is fixed to the rear upper surface of a western style toilet 10 with bolts 14 and nuts 16. To the side face 12a of the fixed base plate 12, a movable base plate 24 is connected so as to be elevated and lowered by link arms 20 and 22. The line of gears 42, 44 and 46 is arranged inside a casing 50, and the gears 42, 44 and 46 are pivoted at the casing 50 through support shafts 42a, 44a and 46a, respectively. The rear end part of a handrail 52 is fixed to the support shaft 46a of the gear 46. When the handrail 52 is made substantially horizontal, the link arms 20 and 22 are turned rearwards, the movable base plate 24 is overlapped on the fixed base plate 12 and the toilet seat 28 is overlapped on the western style toilet 10. When a user stands up after easing nature, the user put his/her hands on the front part side of the handrails 52 and half rises from the seat while pushing down the handrails 52. Then, the front part side of the handrails 52 is pushed down, the link arm 22 is turned upwards and the movable base plate 24 is elevated. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a toilet seat device installed in a Western-style toilet of a toilet, and more particularly to a liftable toilet seat device in which the toilet seat moves up and down.

In order to be able to easily perform operations when sitting or standing on a toilet seat on a Western-style toilet bowl, the toilet seat is made to be liftable and a handrail is provided (Japanese Patent Laid-Open No. 9-2000). 94185, JP-A-9-108143).
JP-A-9-94185 JP-A-9-108143

  The conventional elevating toilet seat device is configured to raise and lower the toilet seat by a motor. Such an elevating mechanism is large and expensive.

  An object of this invention is to provide the toilet seat apparatus comprised so that a toilet seat could be raised / lowered manually.

  The toilet seat device of the present invention (Claim 1) is a toilet seat device having a toilet seat that is lifted and lowered by a lifting mechanism, and a handrail that is disposed on the side of a seated person sitting on the toilet seat. This is a manual lifting mechanism that raises the toilet seat using a force that pushes down as a driving force.

  The toilet seat device according to claim 2 is the toilet seat device according to claim 1, wherein the handrail extends in the front-rear direction on the side of the seated person, the rear side of the handrail is supported by a shaft, and the front end side thereof is vertically rotatable. The elevating mechanism is configured to raise the toilet seat by a force that pushes down the front end side of the handrail.

  The toilet seat device according to claim 3 is the toilet seat device according to claim 2, wherein the shaft is fixed to the handrail, and the elevating mechanism transmits the rotation of the shaft caused by the depression of the handrail to the lift device on the toilet seat side, The toilet seat is configured to be pushed up by a lift device.

  According to a fourth aspect of the present invention, the toilet seat device according to the third aspect is characterized in that the elevating mechanism is configured to transmit the rotation of the shaft to the lift device via a gear or a belt.

  According to a fifth aspect of the present invention, in the toilet seat device according to the third or fourth aspect, the lift device includes an arm that is rotated by a rotational force transmitted from the shaft, and the toilet seat is pushed up by the rotation of the arm. It is a feature.

  The toilet seat device according to claim 6 is the toilet seat device according to any one of claims 1 to 5, wherein the toilet seat is attached to a base plate, and the base plate is configured to be lifted and lowered by the lifting mechanism. It is.

  In the toilet seat device of the present invention, the liftable toilet seat and the handrail are interlocked, and when the handrail is pushed down, the toilet seat rises. Therefore, when the seated person sitting on the toilet seat tries to stand up and lifts his / her waist while pushing down the handrail with his hand, the toilet seat will push up his / her waist, and the standing operation is assisted, so that the user can stand up easily.

  This toilet seat device does not require an electric device such as a motor, and has a simple configuration and low cost. In addition, the toilet room can be used without a power source such as an outlet.

  In the toilet seat device according to the second aspect, the handrail rotates about the axis by pushing down the front end side of the handrail. A sufficient rotational force (torque) can be obtained by setting the length of the handrail to a certain extent.

  In the toilet seat device according to the third aspect, when the handrail is pushed down, the lift device operates and the toilet seat is pushed up.

  According to the toilet seat device of the fourth aspect, the rotational force (torque) of the shaft is reliably transmitted to the lift device via the gear or the belt.

  As described in claim 5, it is preferable that the lift device is provided with an arm that is rotated by the rotational force transmitted from the shaft, and is configured to push up the toilet seat by the rotation of the arm.

  In the toilet seat device according to the sixth aspect, the base plate to which the toilet seat is attached is moved up and down, and it is not necessary to provide a lifting / lowering component on the toilet seat itself. For this reason, it becomes possible to employ | adopt various types of commercially available toilet seats, for example.

  Hereinafter, the present invention will be described in more detail with reference to the drawings.

  FIG. 1 is a perspective view of a Western-style toilet device equipped with a toilet seat device according to an embodiment, FIG. 2 is an exploded perspective view of this toilet seat device, FIG. 3 is a perspective view of a movable base plate and a fixed base plate, and FIG. Fig. 3 is a cross-sectional view taken along line IV-IV in Fig. 3, Fig. 5 is a side view of the Western-style toilet facility with the toilet seat lowered, and Fig. 6 is a side view of the Western-style toilet facility with the toilet seat raised. FIG. 7 is a perspective view of Western-style toilet equipment equipped with a toilet seat device according to another embodiment.

  A fixed base plate 12 is fixed to a rear upper surface of the western-style toilet 10 by bolts 14 and nuts 16. The bolt 14 is inserted into the bolt insertion hole 12 c of the fixed base plate 12 and the bolt insertion hole 18 of the western style toilet 10.

  The fixed base plate 12 has a U-shape in which side surfaces 12 a are suspended from left and right side edges of the main plate surface 12 b that overlaps the Western-style toilet 10.

  A movable base plate 24 is connected to the side surface 12a of the fixed base plate 12 by link arms 20 and 22 so as to be movable up and down.

  The movable base plate 24 has a U-shape having a main plate surface 24b that can overlap the main plate surface 12b of the fixed base plate 12 from above, and side surfaces 24a that are suspended from the left and right edges of the main plate surface 24b. .

  An opening 24c is provided on the rear side of the main plate surface 24b. A pair of hinge members 26 are fixed to the movable base plate 24 by bolts (not shown) inserted through the openings 24c.

  A toilet seat 28 is attached to the hinge member 26 so as to be rotatable in the up-down direction. The link arms 20 and 22 are provided in pairs on the left and right sides of the western style toilet 10, respectively. The link arm 20 on the front side of the western-style toilet 10 is shorter than the link arm 22 on the rear side. Therefore, when the link arms 20 and 22 are rotated upward, the movable base plate 24 is the sixth base plate 24. Take a forward leaning posture as shown.

  The link arm 20 on the front side is rotatably connected to the side surfaces 12a, 24a of the base plates 12, 24 by shaft pins 30, 32. The shaft pin 32 is inserted through a long hole 34 extending in the front-rear direction on the side surface 24a. When the movable base plate 24 moves up and down, the shaft pin 32 slides in the long hole 34 in the front-rear direction.

  The link arm 22 is rotatably connected to the side surfaces 12a and 24a of the base plates 12 and 24 by shaft pins 36 and 38, respectively.

  As shown in FIGS. 3 and 4, the link arms 20 and 22 are arranged inside the side surface 24a and outside the side surface 12a. When the movable base plate 24 overlaps the fixed base plate 12, the side surface 24a faces the outside of the side surface 12a, and the link arms 20 and 22 enter between them.

  As shown in FIG. 4, the shaft pin 36 protrudes from the outer surface of the side surface 12a by a predetermined length, and a gear 40 is fixed to the front end side in the protruding direction. A space is provided between the gear 40 and the link arm 22 so that the side surface 24a of the movable base plate 24 can enter.

  A casing 50 is fixed to the fixed base plate 12. The casing 50 covers the outer surface side of the side surface 12 a and rises upward from the rear portion of the western-style toilet 10.

  A row of gears 42, 44, 46 is arranged in the casing 50. The gears 42, 44, 46 are pivotally supported on the casing 50 via support shafts 42a, 44a, 46a. The support shaft 42a is supported only on the outer surface of the casing 50, and the link arm 22 can enter between the gear 42 and the side surface 12a as shown in FIG.

  A gear 42 meshes with the gear 40, a gear 44 meshes with the gear 42, and a gear 46 meshes with the gear 44.

  The support shaft 46a of the uppermost gear 46 protrudes outward from the casing 50, and the rear end portion of the handrail 52 is fixed to the support shaft 46a. The handrail 52 extends forward, and a soft pad 52a is provided on the upper surface on the front side.

  In the Western-style toilet equipment having the toilet seat device configured as described above, when the handrail 52 is substantially horizontal as shown in FIG. 5, the link arms 20 and 22 are rotated rearward, and the movable base plate 24 is placed on the fixed base plate 12. The toilet seat 28 overlaps the western-style toilet 10. In this state, the user sits on the toilet seat 28 and performs a toilet.

  At this time, since the handrails 52 are arranged on both the left and right sides of the Western-style toilet 10, the body can be stabilized by placing the hand on the handrail 52 when sitting.

  When standing up after a stool, he tries to float his / her waist while pushing down the handrail 52 by placing a hand on the front side of the handrail 52. Then, the front side of the handrail 52 is pushed down (arrow D in FIG. 1). As shown in FIG. 6, the gears 46, 44, 42, and 40 are rotated, the link arm 22 is rotated upward, and the movable base plate 24 is rotated. Rises (arrow U in FIG. 1). Thereby, since a seated person's waist | hip | lumbar part is pushed up by the toilet seat 28, it can stand up easily. In this embodiment, since the toilet seat 28 is lifted while tilting forward, the seated person can stand up very easily.

  Even when sitting on the toilet seat 28, if the handrail 52 is pushed down and the toilet seat 28 is raised as shown in FIG. 6, even a person with weak leg strength can easily sit on the toilet seat 28. However, the handrail 52 may be seated on the toilet seat 28 as shown in FIG.

  In the above embodiment, the rotational force of the handrail 52 is transmitted to the link arm 22 via the gears 40, 42, 44, 46, but may be transmitted by the wire 60 as shown in FIG.

  In FIG. 7, a pulley 56 is fixed to the support shaft 46a, and a pulley 58 is fixed to the shaft pin 36. A belt 60 is wound around these pulleys 56 and 58. Reference numeral 62 denotes a guide pulley. The other configuration of the embodiment of FIG. 7 is the same as the above embodiment.

  The pulleys 56 and 58 and the belt 60 are a toothed pulley and a toothed belt so as not to slip.

  When the handrail 52 is pushed down from the state of FIG. 7, the pulleys 56 and 58 are rotated counterclockwise, and the movable base plate 24 is pushed up.

  Each of the above embodiments is an example of the present invention, and the present invention may take other forms.

  In the present invention, a stopper for preventing the handrail 52 from rotating downward from the state of FIG. 6 may be provided.

It is a perspective view of the western style toilet bowl equipment provided with the toilet seat device concerning an embodiment. It is a disassembled perspective view of the toilet seat apparatus of FIG. It is a perspective view of a movable base plate and a fixed base plate. It is the IV-IV sectional view taken on the line of FIG. It is a side view of the Western-style toilet equipment of the state which lowered the toilet seat. It is a side view of the Western-style toilet equipment of the state which raised the toilet seat. It is a perspective view of the Western-style toilet equipment provided with the toilet seat apparatus which concerns on another embodiment.

Explanation of symbols

10 Western-style toilet 12 Fixed base plate 14 Movable base plate 20, 22 Link arm 40, 42, 44, 46 Gear 50 Casing 52 Handrail 56, 58 Pulley 60 Belt 62 Guide pulley

Claims (6)

In a toilet seat device having a toilet seat that is lifted and lowered by a lifting mechanism, and a handrail that is disposed on the side of a seated person sitting on the toilet seat,
The toilet seat device, wherein the lifting mechanism is a manual lifting mechanism that lifts the toilet seat by using a force that pushes down the handrail as a driving force. In Claim 1, the handrail extends in the front-rear direction on the side of the seated person,
The rear side of the handrail is supported by a shaft, and the front end side is rotatable in the vertical direction.
The toilet seat device, wherein the lifting mechanism is configured to raise the toilet seat by a force that pushes down a front end side of the handrail. In Claim 2, the axis is fixed to the handrail,
The toilet seat device is configured such that the lifting mechanism transmits rotation of the shaft due to depression of the handrail to a lift device on a toilet seat side, and pushes up the toilet seat by the lift device.   4. The toilet seat device according to claim 3, wherein the lifting mechanism is configured to transmit the rotation of the shaft to the lift device via a gear or a belt.   5. The toilet seat device according to claim 3, wherein the lift device includes an arm that is rotated by a rotational force transmitted from the shaft, and the toilet seat is pushed up by the rotation of the arm.   The toilet seat device according to any one of claims 1 to 5, wherein the toilet seat is attached to a base plate, and the base plate is configured to be moved up and down by the lifting mechanism.

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