JP2017035182A - toilet seat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an easily-cleanable toilet seat having a refreshing form.SOLUTION: A toilet seat 20 is journaled rotatably to a bearing member 70 mounted on a toilet bowl body 1, and rotated between a lodging condition and a standing condition on the toilet bowl body 1. The toilet seat 20 includes a rising part 23 provided on the rear end in the lodging condition, having an approximately horizontal upper end edge 23U, and raised elongatively to the right-and-left outside of the right-and-left end of a connection part of the bearing member 70.SELECTED DRAWING: Figure 5

Description

  The present invention relates to a toilet seat.

  Patent document 1 is disclosing the conventional toilet seat. The toilet seat is pivotally supported by a support portion of a toilet seat device attached to the rear upper surface of the toilet body. The toilet seat rotates between a lying state and a standing state on the toilet body. The toilet seat includes a left and right rising portion in which the left and right rear ends rise obliquely upward toward the rear in the lying state. The toilet seat has a support portion of the toilet seat device sandwiched between the left and right rising portions, and is supported by a rotation shaft portion protruding from both left and right ends of the support portion. The front surface of the support part rises in the vertical direction. This support part is formed in the curved surface which the front surface dented the left-right center part back. The toilet seat is formed such that its upper end edge is lower than the upper end edge of the left and right rising parts in the lying state so as not to interfere with the support part during rotation. In other words, the toilet seat has an upper end edge of the rear end portion bent in the vertical direction, and a center portion on the left and right sides recessed downward in accordance with the outer shape of the support portion. Since the front surface of the support portion is formed with a curved surface, the toilet seat device provided with this toilet seat can be seated relaxed by the support portion coming into contact with the buttocks of the seated person from the rear.

JP 2004-65544 A

  However, in the toilet seat of Patent Document 1, the support portion of the toilet seat device is sandwiched between the left and right rising portions, and the support portion protrudes from the center of the rear end portion. Further, the toilet seat has an upper end edge at the rear end bent in the vertical direction, and a central portion recessed downward in accordance with the outer shape of the support portion. For this reason, a gap is formed between the toilet seat and the support portion of the toilet seat device, the gap is bent, and dirt accumulated in the gap is difficult to remove by wiping and cleaning, which requires time and effort.

  The present invention has been made in view of the above-described conventional situation, and has a neat form and an object to be solved is to provide a toilet seat that can be easily cleaned.

The toilet seat of the present invention is a toilet seat that is pivotally supported by a support member attached to the toilet body, and rotates between a lying state and a standing state on the toilet body,
In a lying state, it is provided at the rear end portion, and has a rising portion that rises so that the upper end edge is substantially horizontal and extends to the left and right outside of the left and right ends of the connecting portion of the support member. .

  This toilet seat is provided with a rising portion at the rear end in the lying state. The rising portion has a substantially horizontal upper end and rises to the left and right outside of the left and right ends of the connecting portion of the support member. For this reason, even if dirt accumulates at the upper edge of the rising portion, the toilet seat can be easily removed by wiping and cleaning because the upper edge extends substantially horizontally in the left-right direction. Here, the upper edge is substantially horizontal includes not only the case where the upper edge extends horizontally in a straight line, but also includes the case where the entire upper edge or a part thereof extends slightly curved in the vertical direction (hereinafter referred to as “upper edge”). the same).

  Therefore, the toilet seat of the present invention has a clean form and can be easily cleaned.

It is a perspective view which shows the flush toilet bowl to which the toilet seat of Example 1 was attached. It is a side view which shows the flush toilet bowl to which the toilet seat of Example 1 was attached. It is a top view which shows the flush toilet bowl to which the toilet seat of Example 1 was attached. 1 is a front view showing a toilet seat of Example 1. FIG. It is a principal part enlarged view of the flush toilet bowl to which the toilet seat of Example 1 was attached. FIG. 4 is a sectional view taken along the line XX in FIG. 3.

  A preferred embodiment of the present invention will be described.

  In the toilet seat according to the present invention, the rising portion may extend in the left-right direction above the rotation shaft that is the rotation center when rotating between the lying state and the standing state. In this case, this toilet seat can make the upper end edge of the rising part high. For this reason, as for this toilet seat, the rising part can support a seated person's buttocks from back, and a seated person can relax and sit down.

  The toilet seat according to the present invention may include a planar heater joined to the back side of the front surface of the rising portion. In this case, this toilet seat can warm a seated person's buttocks etc. in a wide range, and the seated person can relax and sit down.

  In the toilet seat according to the present invention, the rising portion may be a curved surface having a front surface recessed in the left and right central portions rearward. In this case, the toilet seat has a shape in which the front surface of the rising portion fits the seated person's buttocks, so that the seated person can relax and sit down.

  The toilet seat of the present invention, in the lying state, the upper end of the rising portion is greater than the horizontal distance between the left and right center of the upper end edge of the rising portion and the central rear end edge of the opening that opens above the toilet bowl of the toilet body. The vertical distance between the left and right center of the edge and the center rear end edge of the opening may be larger. In this case, the front surface of the rising portion of the toilet seat is inclined at a steep angle, and the rising portion can firmly support the seated person's buttocks from behind, so that the seated person can relax and sit down.

  Next, a first embodiment in which the toilet seat of the present invention is embodied will be described with reference to the drawings.

<Example 1>
The toilet seat 20 of Example 1 is attached to the flush toilet as shown in FIG.1 and FIG.2. This flush toilet includes a toilet device 10 having a toilet body 1 and a toilet seat 20. The toilet body 1 includes a toilet bowl 3, a toilet drainage channel (not shown) communicating with the downstream side of the toilet bowl 3, and a side wall 5 that covers the front, rear, left and right of the toilet bowl 3 and the toilet drainage channel. Yes.

  In addition to the toilet seat 20, the toilet device 10 includes a cleaning tank (not shown), a cover 40, and a pair of armrest members 50L and 50R. The washing tank is placed and fixed on the rear upper surface of the toilet body 1 and stores washing water discharged to the toilet bowl 3. The cover 40 includes a backrest member 41 that covers the front side of the cleaning tank, a side member 43 that covers the left and right and rear sides of the cleaning tank, and a lid member 45 that covers the upper side of the cleaning tank.

  The backrest member 41 is made of resin, and the front portion has cushioning properties. The backrest member 41 is attached to the front of the cleaning tank, and the outer shape of the front view from the front is substantially rectangular (front and rear are left and right in FIG. 2; the same applies hereinafter). The backrest member 41 has left and right end portions protruding in the left-right direction from left and right side surface portions 43L and 43R of the side member 43 described later (the left and right are left and right in FIG. 3, the same applies hereinafter). Further, the backrest member 41 has an upper end protruding upward from the lid member 45 (upper and lower are upper and lower in FIG. 2). The same applies to the backrest member 41. The lower end of the backrest member 41 is the upper surface of the rear end of the toilet seat 20. Are arranged along.

  The side surface member 43 is made of resin, and has left and right side surface portions 43L and 43R, and a rear side surface portion 43B that is curved while continuing from the rear end portions of the left and right side surface portions 43L and 43R. Armrest members 50L, 50R extend forward from the left and right side surface portions 43L, 43R of the side member 43. An operation handle 60 is provided on the right side surface portion 43 </ b> R of the side member 43. When the operation handle 60 is rotated, the cleaning water stored in the cleaning tank is discharged to the toilet bowl 3 and toilet bowl cleaning is executed. The lid member 45 is made of resin, is placed on the upper end surface of the side member 43, and closes the upper opening formed between the backrest member 41 and the side member 43.

  The armrest members 50L and 50R are made of resin on the surface, have cushioning properties, and a core material (not shown) having strength is inserted inside. The armrest members 50L and 50R are curved inward while spreading outward from the end surface of the base end portion contacting the left and right side surface portions 43L and 43R of the side member 43 of the cover 40 to the distal end portion.

  As shown in FIGS. 3 and 5, the toilet seat 20 is pivotally supported by a support member 70 attached to the toilet body 1. The support member 70 includes a support portion main body 71 and a hinge portion 73. The support body 71 has a pair of vertical frame members 71A and 71A and a horizontal frame member 71B. The pair of vertical frame members 71A and 71A are vertically provided on the upper surface of the rear part of the toilet body 1 so as to be separated in the left-right direction. The horizontal frame member 71B connects the upper ends of the pair of vertical frame members 71A and 71A. The support portion main body 71 is accommodated in the cover 40.

  The hinge portion 73 has a horizontal portion 73A and left and right connecting portions 73L and 73R. The horizontal portion 73A extends in the horizontal direction and connects intermediate portions of the pair of vertical frame members 71A and 71A. Each of the left and right connecting portions 73L and 73R is connected to the left and right end portions of the horizontal portion 73A at positions separated in the left-right direction. The left and right connecting portions 73L and 73R have their lower ends extending forward. As shown in FIGS. 3 and 6, the left connecting portion 73 </ b> L (the connecting portion located on the left side in FIG. 3) is connected to the left notch 25 </ b> L provided at the rising portion 23 of the toilet seat 20, which will be described later. Is connected to the shaft portion 81 of the damper 80 extending on the rotation axis R of the toilet seat 20 (see FIG. 6). The right connecting portion 73R (the connecting portion located on the right side in FIG. 3) inserts the tip of the lower end portion into a right cutout portion 25R provided in a rising portion 23 of the toilet seat 20 described later, and the rotation axis R of the toilet seat 20 A cylindrical portion 75 that opens in the left direction is inserted into an insertion hole H formed concentrically with (see FIG. 6). An electric wire 91 for supplying electricity to the planar heater 90 is inserted into the cylindrical portion 75.

  In this way, the toilet seat 20 is pivotally supported at the lower end of the backrest member 41 at the distal end portions (support members 70) of the left and right connecting portions 73L and 73R inserted into the rising portion 23 of the toilet seat 20, and the toilet body 1 Rotate between lying down and standing up. The damper 80 generates a resistance force that suppresses the descending speed of the toilet seat 20 when the toilet seat 20 rotates from the standing state to the lying state.

  As shown in FIGS. 1 to 4, the toilet seat 20 has a substantially quadrangular shape in which the outer shape in a plan view seen from above in the lying state is long in the front-rear direction. The toilet seat 20 has a rounded front corner when viewed from above. An opening 21 is opened above the toilet bowl 3 of the toilet body 1. The opening 21 has a substantially elliptical shape that is long in the front-rear direction. The opening 21 has a larger curvature on the front side than the curvature on the rear side (the front side is the lower side in FIG. 3 and the rear side is the upper side in FIG. 3).

  The toilet seat 20 includes a rising portion 23 that rises obliquely rearward at a rear end portion in a lying state. As shown in FIG. 5, the front surface 23 </ b> F of the rising portion 23 is formed by an inclined surface that is curved so as to be slightly recessed backward in the vertical direction and inclined obliquely upward toward the rear. Further, as shown in FIG. 3, the front surface 23 </ b> F of the rising portion 23 is formed by a curved surface in which the left and right central portions are recessed backward.

  As shown in FIGS. 2 and 5, the rising portion 23 has an upper surface that bulges upward and curves in the front-rear direction. As shown in FIG. 5, the rising portion 23 extends above the rotation axis R, which is the rotation center of the toilet seat 20, and the upper end edge 23 </ b> U extends in a substantially straight line in the left-right horizontal direction without bending in the vertical direction. Yes. That is, the rising edge 23 has a substantially horizontal upper end edge 23U. In the lying state, the rising portion 23 has a horizontal distance L1 between the left and right center 23X of the upper end edge 23U of the rising portion 23 and the central rear end edge 21X of the opening 21 of the toilet seat 20, and the left and right ends of the upper end edge 23U of the rising portion 23 The vertical distance L2 between the center 23X and the center rear edge 21X of the opening 21 of the toilet seat 20 is formed larger. As shown in FIG. 4, the rising portion 23 has a substantially horizontally long outer shape when viewed from the front. Further, as shown in FIGS. 1 and 2, the rising portion 23 is along the lower edge where the upper edge 23 </ b> U extends substantially in a straight line in the horizontal direction of the backrest member 41. Further, the rising portion 23 has a lateral width that is substantially equal to the lateral width of the backrest member 41.

  As shown in FIG. 3, the rising portion 23 is provided with rectangular left and right notches 25 </ b> L and 25 </ b> R extending in the vertical direction at the rear of both left and right ends. The left notch 25L is inserted with the tip of the lower end of the left connecting portion 73L of the hinge 73 of the support member 70. Further, the right notch 25R is inserted with the tip of the lower end of the right connecting portion 73R of the hinge 73 of the support member 70. Thus, the rising portion 23 has a left end surface located on the left side of the left connecting portion 73L of the hinge portion 73 of the support member 70 and a right end surface positioned on the right side of the right connecting portion 73R of the hinge portion 73 of the support member 70. positioned. That is, in the toilet seat 20, the upper end edge 23 </ b> U of the rising portion 23 extends to the left outside of the left connecting portion 73 </ b> L (the left end) of the hinge portion 73 of the support member 70 in the lying state, and the hinge portion 73 of the support member 70 It extends to the right outside of the right connecting portion 73R (the right end thereof). Since the left and right cutouts 25L and 25R are opened rearward from the upper end edge 23U of the rising portion 23, they cannot be visually recognized from the front. Further, since the backrest member 41 is in contact with the upper end portion of the rising portion 23 without a gap, the left and right cutout portions 25L and 25R cannot be viewed from above.

  As shown in FIGS. 3 and 4, the toilet seat 20 is a periphery of the opening 21, and a planar heater 90 is joined to the back side of the front surface (including the back side of the front surface 23 </ b> F of the rising portion 23). The sheet heater 90 has a heating wire attached to an insulated metal foil. The heating wire is connected to the electric wire 91 inserted through the cylindrical portion 75 of the right connecting portion 73 </ b> R of the toilet seat 20.

  The toilet seat 20 according to the first embodiment having such a configuration is pivotally supported by a support member 70 attached to the toilet body 1 and rotates between the lying state and the standing state on the toilet body 1. . The toilet seat 20 includes a rising portion 23 provided at a rear end portion in a lying state. The rising portion 23 rises so that the upper end edge 23 </ b> U does not bend in the vertical direction and extends to the left and right outside of the left and right ends of the connecting portion of the support member 70 in a substantially straight line. For this reason, the toilet seat 20 is easily soiled by wiping and cleaning because the upper edge 23U extends in a straight line without bending in the vertical direction even if the upper edge 23U of the rising portion 23 is soiled. Can be removed.

  Therefore, the toilet seat 20 of the first embodiment is neat and clean, and can be easily cleaned.

  Further, in the toilet seat 20 of the first embodiment, the rising portion 23 is above the rotation axis R that is the rotation center when rotating between the lying state and the standing state, and the upper end edge 23U extends in the left-right direction. It is growing. For this reason, this toilet seat 20 is formed in a position where the upper end edge 23U of the rising portion 23 is high, and the rising portion 23 can support the seated person's buttocks from the rear, so that the seated person can relax and sit down. it can.

  In the toilet seat 20 of the first embodiment, since the sheet heater 90 is also joined to the back side of the front surface 23F of the rising portion 23, the seat occupant's buttocks and the like can be warmed in a wide range, and the seated person can relax and sit down. can do.

  Further, in the toilet seat 20 of the first embodiment, the rising portion 23 is a curved surface in which the front surface 23F is recessed in the left and right central portions, and has a shape that fits the seated person's buttocks, so that the seated person can relax and sit down. can do.

  In the lying state, the toilet seat 20 according to the first embodiment is higher than the horizontal distance L1 between the left and right center 23X of the upper end edge 23U of the rising portion 23 and the central rear end edge 21X of the opening 21 of the toilet seat 20, and the upper end edge of the rising portion 23. The vertical distance L2 between the left and right center 23X of 23U and the center rear end edge 21X of the opening 21 of the toilet seat 20 is formed larger. For this reason, this toilet seat 20 has the front surface 23F of the rising portion 23 inclined at a steep angle, so that the rising portion 23 can firmly support the occupant's buttocks from behind, so that the seated person can relax and sit down. it can.

The present invention is not limited to the first embodiment described with reference to the above description and drawings. For example, the following embodiments are also included in the technical scope of the present invention.
(1) In Example 1, the upper end edge of the rising portion extends in the left-right direction above the rotation axis that is the rotation center of the toilet seat, but the upper end edge extends in the left-right direction at a height equal to or less than the rotation axis. It may be stretched.
(2) In Example 1, the planar heater is also joined to the back side of the front surface of the rising portion, but the planar heater may not be joined to the back side of the front surface of the rising portion. Further, the planar heater may not be joined to the back side of the toilet seat surface.
(3) In the first embodiment, the front surface of the rising portion is a curved surface with the left and right central portions recessed backward, but it may be a flat surface instead of the curved surface.
(4) In the first embodiment, in the lying state, the horizontal center of the upper edge of the rising portion and the opening of the toilet seat are larger than the horizontal distance between the horizontal center of the upper edge of the rising portion and the central rear edge of the opening of the toilet seat. The vertical distance from the center rear edge of the rising edge was larger than the horizontal distance between the left and right center of the upper edge of the rising part and the central rear edge of the toilet seat opening. The vertical distance between the left and right center and the center rear edge of the opening of the toilet seat may be smaller.
(5) In Example 1, the upper end edge of the rising portion extends substantially in a straight line, but the entire upper edge or a part thereof may be slightly curved in the vertical direction.
(6) In Example 1, the outer shape of the toilet seat in plan view is a substantially square shape, but the front side may be rounded as a whole.

DESCRIPTION OF SYMBOLS 1 ... Toilet body 20 ... Toilet seat 21 ... Opening part 21X (toilet seat 20) Central rear end edge 23 (Toilet seat 20 opening part 21) 23 ... Rising part 23U ... (Rising part 23) upper end edge 23X ... (Rising part) 23F (front edge 23U) 23F ... front surface (of rising portion 23) 70 ... support member 73L, 73R ... connecting portion (73L ... left connecting portion, 73R ... right connecting portion)
90 ... planar heater R ... rotation axis L1 ... horizontal distance L2 ... vertical distance

Claims (5)

A toilet seat pivotally supported by a support member attached to the toilet body, and rotating between a lying state and a standing state on the toilet body,
In a lying state, it is provided at the rear end portion, and has a rising portion that rises so that the upper end edge is substantially horizontal and extends to the left and right outside of the left and right ends of the connecting portion of the support member. toilet seat.   The upper end edge extends in the left-right direction above the rotation shaft that is a rotation center when the rising portion rotates between the lying state and the standing state. Toilet seat.   The toilet seat according to claim 1, further comprising a planar heater joined to the back side of the front surface of the rising portion.   The toilet seat according to any one of claims 1 to 3, wherein the rising portion is a curved surface with a front surface recessed in a rearward direction at a left and right central portion.   In the lying state, the horizontal center between the left and right center of the upper edge of the rising portion and the central rear edge of the opening that opens above the toilet bowl of the toilet body, the left and right center of the upper edge of the rising portion and the The toilet seat according to any one of claims 1 to 4, wherein a vertical distance from the central rear end edge of the opening is larger.

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