JP2014183919A - Heated toilet seat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a heated toilet seat that makes a use feeling proper by enabling warming of a wide range of a seating surface without an increase in the number of components, when the toilet seat is heated by circulating a warmed fluid.SOLUTION: A heated toilet seat includes an upside member 10 formed with a seating surface 14 on which a user sits. The upside member 10 is provided with a warm water passage R through which warm water is circulated. A cross-section of the warm water passage R assumes a flat shape long in the width direction of the seating surface 14.

Description

  The present invention relates to a heating toilet seat installed on the upper surface of a Western-style toilet, and particularly belongs to the technical field of a structure in which heating is performed using hot water.

  2. Description of the Related Art Conventionally, a toilet seat for a Western-style toilet bowl with a heating function for preventing the user from feeling cold is known (for example, see Patent Document 1). The heated toilet seat of Patent Document 1 is configured by combining a toilet seat surface side member on which a user is seated and a core member disposed on the back side of the toilet seat surface side member. The toilet seat surface side member has a resin member and an aluminum member. A closed space is provided between the toilet seat surface side member and the core member, and a circular tubular toilet seat pipe member through which hot water flows is provided in the closed space. Hot water is supplied to the toilet seat piping member from an external hot water supply means. Heating of the toilet seat is performed by transmitting the heat of warm water from the toilet seat piping member to the toilet seat surface side member.

JP 2008-307216 A

  By the way, the width of the seating surface of the toilet seat is set wider to suit various users. However, in the heated toilet seat of Patent Document 1, since the piping member in the toilet seat is a circular tube having a diameter substantially smaller than the width dimension of the seating surface, hot water flows only through a narrow portion in the width direction in plan view of the seating surface. do not do. On the other hand, in Patent Document 1, a part of the toilet seat surface member is an aluminum member having a high heat transfer coefficient, but in this case, there is a problem that the number of parts increases.

  The present invention has been made in view of the above points, and the object of the present invention is to perform seating without increasing the number of parts when the toilet seat is heated by circulating a heated fluid. The purpose is to improve the feeling of use by heating a wide range of the surface.

  In order to achieve the above object, in the present invention, a passage through which a heated fluid flows is provided in a portion where a user is seated, and the width of the passage is widened.

1st invention is the heating toilet seat installed in the upper surface of a western style toilet bowl,
A toilet seat component having a seating surface on which a user sits;
The toilet seat component is provided with a heated fluid passage through which a heated fluid flows,
The cross section of the warming fluid passage has a flat shape that is long in the width direction of the seating surface.

  According to this configuration, since the cross section of the heated fluid passage has a flat shape that is long in the width direction of the seating surface, the heated fluid flows in a wide range in the width direction of the seating surface of the toilet seat constituent member. . Thereby, heating of the wide range of a seating surface is attained, without providing an aluminum member separately.

According to a second invention, in the first invention,
The toilet seat component is formed thick from one side to the other side of the seating surface in the width direction,
The warming fluid passage is formed inside the thick toilet seat member.

  According to this configuration, by forming the warming fluid passage in the thick part of the toilet seat constituent member, it is not necessary to provide parts for configuring the warming fluid passage, and the number of parts is reduced. Further, the heat of the fluid flowing through the heating fluid passage is easily transmitted to the seating surface, and the seating surface can be efficiently heated.

According to a third invention, in the first or second invention,
On one side in the width direction of the seating surface of the toilet seat component member, a rising surface portion extending in the vertical direction is provided,
The warming fluid passage is provided over the rising surface portion side of the toilet seat constituent member.

  According to this structure, it becomes possible to heat a wide range up to the rising surface provided on one side in the width direction of the seating surface. Moreover, the rigidity of the toilet seat constituting member is increased by forming the rising surface portion.

According to a fourth invention, in the second invention,
A rising surface portion extending in the vertical direction is provided on one side in the width direction of the seating surface of the toilet seat constituent member, and the toilet seat constituent member is formed thick up to the rising surface portion side of the toilet seat constituent member. It is characterized by this.

  According to this configuration, it is possible to heat the rising surface portion provided on one side in the width direction of the seating surface over a wide range and to increase the rigidity of the toilet seat constituent member.

According to a fifth invention, in the second invention,
One side in the width direction of the seating surface of the toilet seat component is thicker than the widthwise central portion of the seating surface.

  According to this configuration, since one side in the width direction of the toilet seat constituent member is made thicker than the central portion, it is possible to increase the rigidity of the toilet seat constituent member.

A sixth invention is the invention according to any one of the first to fifth aspects,
A concave portion is formed on the back surface of the toilet seat constituent member at a portion corresponding to one side in the width direction of the warming fluid passage.

  According to this configuration, when the toilet seat constituent member is formed of a resin material, the warming fluid passage is widened in the width direction by forming a recess on the back surface of the toilet seat constituent member when the warming fluid passage is formed. When trying to rub off, it becomes possible to restrict unnecessarily spreading in the width direction due to the presence of the recess.

A seventh invention is the invention according to any one of the first to sixth inventions,
The heating fluid passage of the toilet seat constituent member is provided with a connecting portion that connects the front surface side and the back surface side of the toilet seat constituent member.

  According to this structure, the rigidity of a toilet seat structural member increases.

According to an eighth invention, in any one of the first to seventh inventions,
The heating fluid passage is integrally formed with the toilet seat constituent member by a gas injection method.

  According to this configuration, the warming fluid passage can be easily formed in the toilet seat constituent member with good appearance.

  According to the first invention, the warming fluid passage is provided in the toilet seat constituent member having the seating surface formed on the surface, and the cross section of the warming fluid passage is formed into a flat shape that is long in the width direction of the seating surface. Without causing an increase, a wide range of the seating surface can be heated and the feeling of use can be improved.

  According to the second invention, since the thick portion is formed in the toilet seat constituent member and the warming fluid passage is formed therein, the warming fluid passage is integrally formed with the toilet seat constituent member, so that the number of parts can be reduced. . In addition, the seating surface can be efficiently heated.

  According to the third aspect of the invention, since the heating can be performed over a wide range up to the rising surface provided on one side in the width direction of the seating surface, the usability can be further improved.

  According to 4th invention, while being able to heat to the standup surface part side in a toilet seat structural member, the rigidity of a toilet seat structural member can be improved.

  According to the fifth aspect, since one side in the width direction of the toilet seat constituent member is made thicker than the central portion, the rigidity of the toilet seat constituent member can be increased.

  According to the sixth invention, since the recess is formed on the back surface of the toilet seat constituent member so as to correspond to one side in the width direction of the warming fluid passage, the warming fluid is formed when the toilet seat constituent member is molded with the resin material. It is possible to restrict the passage from unnecessarily spreading in the width direction, and it is possible to obtain a heated fluid passage having a desired shape.

  According to the seventh invention, since the rib connecting the front surface side and the back surface side of the toilet seat constituent member is provided in the warming fluid passage, the rigidity of the toilet seat constituent member can be increased.

  According to the eighth invention, by using the gas injection method, the heated fluid passage can be easily formed in the toilet seat constituting member with good appearance.

It is a top view of the heating toilet seat which concerns on embodiment of this invention. It is sectional drawing equivalent to the II-II line | wire of FIG. 1, (a) shows a decomposition | disassembly state, (b) shows an assembly state. It is FIG.2 (b) equivalent figure which concerns on the modification 1 of embodiment. It is an equivalent figure of Drawing 2 (b) concerning modification 2 of an embodiment. It is an equivalent figure of Drawing 2 (b) concerning modification 3 of an embodiment. It is an equivalent figure of Drawing 2 (b) concerning modification 4 of an embodiment. It is FIG.2 (b) equivalent figure which concerns on the modification 5 of embodiment. It is FIG.2 (b) equivalent figure which concerns on the modification 6 of embodiment.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. It should be noted that the following description of the preferred embodiment is merely illustrative in nature, and is not intended to limit the present invention, its application, or its use.

  FIG. 1 is a plan view of a heating toilet seat 1 according to an embodiment of the present invention. Although not shown, the heating toilet seat 1 is used by being placed on the upper surface of a Western-style toilet, and can be heated by hot water (heated fluid) supplied from the hot water supply device 100. ing.

  The heating toilet seat 1 is formed in an annular shape so as to correspond to the shape of the upper surface of the toilet bowl in plan view, and the back side of the heating toilet seat 1 is fixed to the toilet bowl via a hinge (not shown). The heating toilet seat 1 is configured to rotate in the vertical direction by its hinge.

  As shown in FIG. 2, the heating toilet seat 1 is formed by combining an upper member (toilet seat constituent member) 10 and a lower member (toilet seat constituent member) 30 that are divided at a substantially central portion in the vertical direction of the heating toilet seat 1. It is configured. The lower member 30 has a lower wall portion 31 extending substantially horizontally and annularly along the upper surface of the toilet bowl.

  In the description of this embodiment, since the upper member 10 and the lower member 30 are annular, as shown in FIG. 2, the width direction of the upper member 10 and the lower member 30 is the upper member 10 in plan view. And the inside and outside direction of the lower member 30 shall be said.

  The lower member 30 includes, in addition to the lower wall portion 31, a first inner ridge portion 32 and a second inner ridge portion 33 that protrude upward from the inner side in the width direction of the lower wall portion 31 and extend in an annular shape, and a lower wall portion 31 has a first outer ridge 34 and a second outer ridge 35 extending annularly from the outer side in the width direction, and includes a lower wall 31, a first inner ridge 32, and a first The two inner ridges 33, the first outer ridges 34, and the second outer ridges 35 are integrally formed by an injection molding method using a resin material. The second inner ridge 33 and the second outer ridge 35 may not be continuous.

  The first inner ridge 32 is provided at the inner end of the lower wall 31 in the width direction. The second inner ridge 33 is separated from the first inner ridge 32 to the outside in the width direction of the lower wall 31. The first inner ridge 32 and the second inner ridge 33 are substantially parallel. The protruding height of the second inner ridge 33 is set higher than that of the first inner ridge 32. An inner annular groove 36 is formed between the first inner protrusion 32 and the second inner protrusion 33.

  The first outer protrusion 34 is provided at the outer end in the width direction of the lower wall portion 31. The second outer ridge 35 is separated from the first outer ridge 34 on the inner side in the width direction of the lower wall portion 31. The first outer ridge 34 and the second outer ridge 35 are substantially parallel. The protruding height of the second outer ridge 35 is set higher than that of the first outer ridge 34. An outer annular groove 37 is formed between the first outer protrusion 34 and the second outer protrusion 35.

  The upper member 10 includes an upper wall portion 11 formed so as to face the lower wall portion 31 of the lower member 30, and an inner wall portion 12 that protrudes downward from the inner end portion in the width direction of the upper wall portion 11 and extends in an annular shape. And an outer wall portion 13 that protrudes downward from the outer end portion in the width direction of the upper wall portion 11 and extends in an annular shape. The upper wall portion 11 is gently inclined so as to be located upward as it goes outward in the width direction. Accordingly, the distance between the upper wall portion 11 and the lower wall portion 31 becomes wider toward the outer side in the width direction.

  Further, the upper wall portion 11 is a thick portion (thick portion) formed thicker than the lower wall portion 31 of the lower member 30. Furthermore, the inner wall portion 12 and the outer wall portion 13 are also thick portions formed thicker than the lower wall portion 31, and the inner wall portion 12 and the outer wall portion 13 are formed on the upper wall portion 11. It is thicker than that.

  An inner ridge 12 a that is inserted into the inner annular groove 36 of the lower member 30 is formed at the lower end of the inner wall 12. The inner ridge portion 12 a is joined by an adhesive applied to the inner surface of the inner annular groove 36 of the lower member 30. An inner abutting surface 12 b that abuts on the tip surface of the first inner ridge portion 32 of the lower member 30 is formed at the lower end portion of the inner wall portion 12.

  An outer ridge 13 a that is inserted into the outer annular groove 37 of the lower member 30 is formed at the lower end of the outer wall portion 13. The outer ridge 13 a is joined by an adhesive applied to the inner surface of the outer annular groove 37 of the lower member 30. An outer abutting surface 13 b that abuts on the tip surface of the first outer protrusion 34 of the lower member 30 is formed at the lower end portion of the outer side wall portion 13.

  The surface of the upper member 10 is a seating surface 14 on which a user sits. The seating surface 14 is composed of a flat seating surface portion 14 a composed of the surface of the upper wall portion 11, a surface of the inner wall portion 12, an inner rising surface portion 14 b extending in the vertical direction, and a surface of the outer wall portion 13. And an outer rising surface portion 14c extending in the vertical direction. A boundary portion between the flat seating surface portion 14a and the inner rising surface portion 14b is formed by a smooth curved surface. The same applies to the boundary portion between the flat seating surface portion 14a and the outer rising surface portion 14c.

  Since the inner wall portion 12 and the outer wall portion 13 are thick as described above, the upper member 10 is formed thick up to the inner rising surface portion 14b side and the outer rising surface portion 14c side of the upper member 10. It will be. Further, the inner rising surface portion 14 b side and the outer rising surface portion 14 c side of the upper member 10 are thicker than the central portion in the width direction of the seating surface 14 of the upper member 10. Thereby, the rigidity of the upper member 10 increases.

  A hot water passage (warming fluid passage) R is provided in the upper wall portion 11 of the upper member 10. As shown in FIG. 1, the hot water passage R extends from one side on the back side of the heating toilet seat 1 toward the front side and then extends toward the other side on the back side. One side of the hot water passage R is supplied with hot water from the hot water supply device. The hot water flowing through the hot water passage R flows out from the other side and returns to the hot water supply device. It is preferable that the hot water passage R extends from the other side to the vicinity of the one side.

  Further, the hot water passage R may extend from the central portion on the back side of the heating toilet seat 1 to the one side and then extend toward the near side, then extend to the other side on the back side, and then extend to the central side. Good.

  The hot water supply device is well known in the art and will not be described in detail. For example, water heated by an electric heater or the like can be sent by a pump. The water may be constantly heated or may be heated immediately before the user uses it.

  The cross section (longitudinal cross section) in the direction perpendicular to the hot water flow direction in the hot water passage R is a cross sectional shape in which the width direction dimension of the seating surface 14 in the hot water passage R is longer than the vertical dimension, that is, the width of the seating surface 14. It is a flat shape that is long in the direction. The inner edge in the width direction of the hot water passage R is located in the vicinity of the inner wall portion 12, and the outer edge in the width direction of the hot water passage R is located in the vicinity of the outer wall portion 13. Thereby, it is possible to circulate hot water over a wide range of the upper member 10.

  The upper member 10 can be molded using, for example, a gas injection method. Thereby, the upper member 10 which has the warm water channel | path R inside is good-looking in one process, and is obtained easily.

  Next, the case where the heating toilet seat 1 comprised as mentioned above is used is demonstrated. When hot water is supplied from the hot water supply device after the heating toilet seat 1 is installed on the upper surface of the western-style toilet, the hot water flows into the hot water passage R from one side on the back side of the heating toilet seat 1. The hot water flowing into the hot water passage R flows while radiating heat. At this time, since the cross section of the hot water passage R has a flat shape that is long in the width direction of the seating surface 14, the hot water flows through a wide range from the inner side to the outer side of the upper member 10. Thereby, the temperature of not only the flat seating surface portion 14a but also the inner rising surface portion 14b and the outer rising surface portion 14c of the seating surface 14 of the upper member 10 rises. Therefore, the seating surface 14 can be heated over a wide range.

  As described above, according to the heating toilet seat 1 according to the present embodiment, the hot water passage R is provided in the upper member 10 on which the seating surface 14 is formed, and the hot water passage R has a flat cross section that is long in the width direction of the seating surface 14. Since it was made into a shape, it is possible to heat a wide range of the seating surface 14 while reducing the number of parts without providing a heat conductive member made of aluminum as in the conventional example, and the usability can be improved.

  Further, since the upper wall portion 11 of the upper member 10 is formed thick and the hot water passage R is formed inside the upper wall portion 11, the hot water passage R can be integrally formed with the upper member 10 to reduce the number of parts. . In addition, the seating surface 14 can be efficiently heated.

  Further, since the inner wall portion 12 and the outer wall portion 13 of the upper member 10 are thicker than the upper wall portion 11, the rigidity of the upper member 10 can be increased.

  Further, by using the gas injection method when the upper member 10 is molded, the hot water passage R can be easily formed in the upper member 10 with good appearance.

  Further, as in the first modification shown in FIG. 3, the warm water passage R may be formed so that the width of the warm water passage R is widened inward and extends to the inside of the inner wall portion 12. Thereby, since the warm water passage R is provided over the inner rising surface portion 14b side of the upper member 10, it is possible to quickly heat up to the inner rising surface portion 14b of the seating surface 14, and the usability is further improved. Can be. Although not shown, the width of the hot water passage R may be widened outward.

  Further, as in Modification 2 shown in FIG. 4, the width of the hot water passage R is increased inward and outward, and the hot water passage R is formed so as to extend inside the inner wall portion 12 and the outer wall portion 13. Also good. As a result, the hot water passage R is provided over the inner rising surface portion 14b side and the outer rising surface portion 14c side of the upper member 10, so that heating to the inner rising surface portion 14b and the outer rising surface portion 14c of the seating surface 14 is performed quickly in a wide range. It is possible to improve the feeling of use.

  Moreover, the connection part 19 which connects the surface side of the upper member 10 and a back surface side can be provided in the warm water path R of the upper member 10 like the modification 3 shown in FIG. Thereby, the rigidity of the upper member 10 can be increased. The number of connecting portions 19 may be two or more.

  Moreover, the connection part 19 may make a width | variety narrow and make it rib shape, and the adjacent warm water channel | path R may be made to approach on both sides of the connection part 19. FIG. Moreover, the connection part 19 may be provided intermittently and may be provided only in arbitrary positions.

  Further, as in Modification 4 shown in FIG. 6, the thick wall portion 20 is formed on the upper wall portion 11 of the upper member 10 so as to bulge to the back surface side, and the hot water passage R is formed inside the thick wall portion 20. May be formed. In the fourth modification, an inner recess 21 is formed on the back surface of the upper member 10 between the thick wall portion 20 and the inner wall portion 12, that is, at a portion corresponding to the inner side in the width direction of the hot water passage R. The outer recessed part 22 is formed in the site | part corresponding to the width direction outer side. The inner concave portion 21 and the outer concave portion 22 are formed by convex portions of a mold when the upper member 10 is molded. That is, the convex portions for forming the inner concave portion 21 and the outer concave portion 22 project into the cavity in a state where the mold is clamped at the time of gas injection. And gas is supplied to the site | part corresponding to the inside of the thick part 20 of the molten resin in a metal mold | die. The molten resin is pushed by this gas pressure to form the hot water passage R. At this time, the convex portion of the mold for forming the inner concave portion 21 and the outer concave portion 22 extends the hot water passage R in the width direction. Therefore, it is possible to restrict the hot water passage R from being unnecessarily widened toward the outer side than the inner concave portion 21 and the outer concave portion 22. Thereby, the hot water passage R having a desired shape can be obtained.

  Moreover, you may form the recessed part 25 in the back surface of the upper member 10 like the modification 5 shown in FIG. By forming the concave portion 25, the hot water passage R is divided in the width direction. Moreover, since the both ends of the recessed part 25 function like a rib, the rigidity of the upper member 10 can be improved.

  Moreover, you may form the inner side recessed part 26 and the outer side recessed part 27 in the back surface of the upper member 10 so that the hot water channel | path R may be pinched | interposed into the width direction like the modification 6 shown in FIG. In the sixth modification, the portion forming the hot water passage R on the back surface of the upper member 10 bulges downward. Similarly to the fourth modification, the inner concave portion 26 and the outer concave portion 27 are formed by convex portions of a mold when the upper member 10 is molded, and therefore the hot water passage R is unnecessarily widened in the width direction. Trying can be restricted by a mold, and a hot water passage R having a desired shape can be obtained. In the modified example 6, when the both sides in the width direction of the thick portion 20 are inclined surfaces, a substantially inverted trapezoidal shape that becomes wider as the cross-sectional shape of the thick portion 20 goes upward. The cross section of the hot water passage R formed in the thick portion 20 also has a flat, generally inverted trapezoidal shape so as to correspond to the cross sectional shape of the thick portion 20.

  The upper member 10 and the lower member 30 can be integrated by welding, bonding by a fastening member, or the like in addition to bonding by an adhesive.

  Also, other liquid heat medium can be used instead of hot water.

  Further, in the present embodiment and its modifications 1 to 6, the hot water passage R has a flat shape in which the cross section of the seating surface 14 is long in the width direction, and the cross section has a long portion and a short portion. May be. That is, the bottom surface constituting the hot water passage R may be uneven or curved without being flat.

  Moreover, when shape | molding the upper member 10 of the heating toilet seat 1, it can also shape | mold using not only a gas injection construction method but a blow construction method etc., for example.

  The above-described embodiment is merely an example in all respects and should not be interpreted in a limited manner. Further, all modifications and changes belonging to the equivalent scope of the claims are within the scope of the present invention.

  As described above, the heating toilet seat according to the present invention can be used by being installed in, for example, a Western-style toilet.

1 Heating Toilet Seat 10 Upper Member (Toilet Seat Component)
14 Seating surface 14b Inner rising surface portion 14c Outer rising surface portion 19 Connecting portion 21, 26 Inner recess 22, 27 Outer recess 30 Lower member (toilet seat component)
R Warm water passage (warming fluid passage)

Claims (8)

In the heating toilet seat (1) installed on the upper surface of the Western toilet,
A toilet seat component (10) having a seating surface (14) on which a user is seated formed on the surface;
The toilet seat component (10) is provided with a heated fluid passage (R) through which a heated fluid flows,
The heating toilet seat (1) characterized in that a cross section of the heating fluid passage (R) has a flat shape that is long in the width direction of the seating surface (14). Heating toilet seat (1) according to claim 1,
The toilet seat component (10) is formed thick from one side to the other side of the seating surface (14) in the width direction,
The heating toilet seat (1), wherein the warming fluid passage (R) is formed in a thick inside of the toilet seat constituent member (10). Heating toilet seat (1) according to claim 1 or 2,
On one side in the width direction of the seating surface (14) of the toilet seat component (10), a rising surface portion (14b) extending in the vertical direction is provided,
The heating toilet seat (1), wherein the heating fluid passage (R) is provided over the rising surface portion (14b) side of the toilet seat constituent member (10). Heating toilet seat (1) according to claim 2,
On the one side in the width direction of the seating surface (14) of the toilet seat constituent member (10), a rising surface portion (14b) extending in the vertical direction is provided, and the toilet seat constituent member (10) includes the toilet seat constituent member (10). The heating toilet seat (1), which is formed thick up to the rising surface (14b) side in 10). Heating toilet seat (1) according to claim 2,
The heating toilet seat (1) characterized in that one side in the width direction of the seating surface (14) of the toilet seat constituent member (10) is thicker than the central portion in the width direction of the seating surface (14). Heating toilet seat (1) according to any one of claims 1 to 5,
A heating toilet seat (1), wherein a recess (21) is formed in a portion corresponding to one side in the width direction of the warming fluid passage (R) on the back surface of the toilet seat constituent member (10). In the heating toilet seat (1) according to any one of claims 1 to 6,
The heating fluid passage (R) of the toilet seat constituent member (10) is provided with a connecting portion (19) connecting the front surface side and the back surface side of the toilet seat constituent member (10). Heating toilet seat (1). In the heating toilet seat (1) according to any one of claims 1 to 7,
The heating toilet seat (1), wherein the heating fluid passage (R) is integrally formed with the toilet seat constituent member (10) by a gas injection method.

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