JP2014036789A - Toilet seat and toilet seat device having the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a toilet seat capable of maintaining an appearance performance, a waterproof performance, and cleanliness for an extended period of time.SOLUTION: A toilet seat includes an upper toilet seat casing 410 formed by metallic material, a lower toilet seat casing 420 formed by resin material, an annular joint member 430 formed by resin material, and a film-shape exterior member 440 which is deformed by elongation and contraction by heating. The joint member 430 is joined to a lower end part of the upper toilet seat casing 410. The exterior member 440 covers an outer face of a conjugate of the upper toilet seat casing 410 and the joint member 430, an end part is wound to an undersurface of the upper toilet seat casing 410 and fixed. The joint member 430 and the lower toilet seat casing 420 are tightly joined over the substantially whole circumference and form a toilet seat 400. By this, it is possible to improve an appearance performance of the toilet seat and maintain a function stably for an extended period of time by a waterproof structure that prevents inundation to the inside of the toilet seat.

Description

  The present invention relates to a toilet seat structure used in a toilet seat apparatus.

  Conventionally, this type of toilet seat has a metal upper toilet seat casing having a seating surface and a resin lower toilet seat casing joined at the inner peripheral edge and the outer peripheral edge in order to simultaneously perform the cosmetic treatment and waterproofing treatment on the outer surface of the toilet seat, Cover the entire surface of the upper toilet seat casing with a single resin laminate film, fix it with an adhesive, and glue the end of the laminate film to the lower toilet seat casing to make the upper toilet seat casing cosmetic and waterproof the joint It is set as the structure which performs a process simultaneously (for example, refer patent document 1).

  FIG. 10 is a sectional view of a toilet seat in the conventional toilet seat device described in Patent Document 1. As shown in the figure, the toilet seat 1 is stretched and deformed by joining an upper toilet seat casing 2 formed of an aluminum alloy and a lower toilet seat casing 3 formed of a resin material with an inner peripheral edge 4 and an outer peripheral edge 5 and heating them. It is covered with a laminate film 6 of a resin material to be bonded, and is adhered to the back surface of the laminate film 6 via an adhesive. A step portion 7 is formed on the inner peripheral edge 4 and the outer peripheral edge 5 of the lower toilet seat casing, and the end portion 6a of the laminate film 6 is joined inside the step portion 7 by adhesion.

  As another example, the end of the skin material is covered by covering the resin upper plate with a skin material, winding the edge of the skin material around the joint between the upper plate and the lower plate, and welding the joint. It is set as the structure fixed to the junction part of an upper board and a lower board (for example, refer patent document 2).

  FIG. 11 shows a sectional view of a toilet seat in a conventional toilet seat device described in Patent Document 2. As shown in FIG. As shown in the figure, the toilet seat 10 is composed of an upper plate 11, a lower plate 12, and a skin material 13. In such a state that the upper plate 11 and the lower plate 12 are welded while being wound around the joint portion 14 of the lower plate 12, the molten resin flows and is fixed to the end portion 13 a of the skin material 13.

JP 2010-264155 A JP 2012-070983 A

  However, in the configuration of the conventional Patent Document 1, since the end portion of the laminate film is adhered and fixed only to the side surface of the lower toilet seat casing with an adhesive, there is a concern that the laminate film may be peeled off during long-term use. . Especially because the laminate film to be used is heated and stretched to form, the end of the laminate film is thin, it is difficult to ensure sufficient strength, the laminate film itself is damaged during the production process and use, There is a high possibility that the adhesion at the end will peel off, and it is difficult to ensure stable strength and appearance performance.

  Moreover, in the structure of patent document 2, the edge part of a skin material is wound in the junction part of an upper board and a lower board, and the edge part of a skin material is fixed by welding the junction part of an upper board and a lower board. Yes, in order to implement this configuration, it is essential that both the upper plate and the lower plate are formed of a thermoplastic resin material, and when the upper plate is made of metal as in the configuration of Cited Document 1, It cannot be implemented.

  The present invention solves the above-described conventional problems, and provides a toilet seat that can prevent damage and peeling of a laminate film and ensure stable performance and appearance performance in a toilet seat using a metal upper toilet seat casing. With the goal.

  In order to solve the above-described conventional problems, the toilet seat of the present invention includes an annular upper toilet seat casing formed of a metal material, an annular lower toilet seat casing formed of a resin material, an upper toilet seat casing, and a lower toilet seat casing. Including an annular joint member formed of a resin material interposed between and an exterior member formed of a film-like thermoplastic resin material that expands and contracts when heated. Joined to the lower end, the exterior member covers the outer surface of the upper toilet seat casing, the end of the exterior member is wound around and fixed to the lower surface of the joined member, and the joined member and the lower toilet seat casing are tightly bonded over the entire circumference This is a toilet seat with a configured structure.

  Thus, the cosmetic treatment of the upper toilet seat casing and the sealing process of the joint portion between the upper toilet seat casing and the joining member can be simultaneously performed by the exterior member, and the joining member formed of the resin material and the lower toilet seat casing As a result, it is possible to improve the appearance performance of the toilet seat and to maintain its function stably for a long period of time by a waterproof structure that prevents water from entering the toilet seat. A toilet seat that can be used can be implemented with a small number of production steps.

  The toilet seat of the present invention can improve the appearance performance and maintain the function of the toilet seat stably over a long period of time.

The perspective view which shows the external appearance of the state which installed the toilet seat apparatus in Embodiment 1 of this invention on the toilet bowl. The perspective view which shows the completion state of the toilet seat in Embodiment 1 of this invention The perspective view which shows the decomposition | disassembly state of the toilet seat in Embodiment 1 of this invention Sectional drawing which shows the junction part of the upper toilet seat casing and joining member in Embodiment 1 of this invention The perspective view of the lower surface of the state which attached the joining member to the upper toilet seat casing in Embodiment 1 of this invention The schematic diagram which shows the cross section of the structure of the laminate film in Embodiment 1 of this invention Schematic diagram showing a method for attaching a laminate film in the first embodiment of the present invention Sectional drawing of the coupling body of the upper toilet seat casing and joining member after the lamination film attachment in Embodiment 1 of this invention Sectional view indicated by AA in FIG. Cross section of conventional toilet seat Cross section of conventional toilet seat

The first invention is an annular upper toilet seat casing formed of a metal material, an annular lower toilet seat casing formed of a resin material, and a resin material interposed between the upper toilet seat casing and the lower toilet seat casing. Including a formed annular joining member and an exterior member formed of a film-like thermoplastic resin material that expands and contracts by heating, and the joining member is joined to a lower end portion of the upper toilet seat casing, The exterior member covers the outer surface of the upper toilet seat casing, the end of the exterior member is wound around and fixed to the lower surface of the joining member, and the joining member and the lower toilet seat casing are in close contact with each other over substantially the entire circumference. This is a combined toilet seat.

  Thus, the cosmetic treatment of the upper toilet seat casing and the sealing process of the joint portion between the upper toilet seat casing and the joining member can be simultaneously performed by the exterior member, and the joining member formed of the resin material and the lower toilet seat casing As a result, it is possible to improve the appearance performance of the toilet seat and to maintain its function stably for a long period of time by a waterproof structure that prevents water from entering the toilet seat. A toilet seat that can be used can be implemented with a small number of production steps.

  According to a second aspect of the invention, particularly in the first aspect of the invention, the joining member includes two outer joint members corresponding to the outer peripheral edge of the upper toilet seat casing and an inner peripheral joint member corresponding to the inner peripheral edge of the upper toilet seat casing. It is composed of individual members.

  As a result, the entire inner surface of the upper toilet seat casing can be opened, so that the attachment work of related members such as a toilet seat heater can be easily performed on the inner surface of the upper toilet seat casing. Further, since the upper toilet seat casing and each joining member can be implemented by individual joining operations, it is easy to absorb dimensional errors of the respective members, and the joining operations can be easily performed.

  In a third aspect of the invention, particularly in the first or second aspect of the invention, the joining member and the lower toilet seat casing are joined by welding.

  Thereby, since the joining member formed of the resin material and the lower toilet seat casing are melted and joined together, they are joined in a completely intimate contact state, so that the inside of the toilet seat can be sealed more reliably.

  A fourth invention is a toilet seat device including a main body placed on a toilet and a toilet seat according to any one of the first to third inventions pivotably supported by the main body.

  Thereby, the toilet seat apparatus with high design of an external appearance and durability and waterproofness can be provided.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
FIG. 1 shows a perspective view of the appearance of the toilet seat device according to the present embodiment in a state where it is installed on a toilet bowl.

<1> Configuration of Toilet Seat Device As shown in FIG. 1, the toilet seat device 100 includes a main body 200, a toilet lid 300, a toilet seat 400, a remote controller 500, and a human body detection sensor 600, and the main body 200, the toilet lid 300, and the toilet seat 400. Is integrally formed and installed on the upper surface of the toilet bowl 700.

  Hereinafter, in this Embodiment, the direction which has arrange | positioned the main body 200 of the toilet seat apparatus 100 is made into back, and the direction in which the toilet seat was installed is demonstrated as the front.

A toilet lid 300 and a toilet seat 400 are attached to the main body 200 via a toilet seat toilet lid rotation mechanism (not shown) so as to be electrically opened and closed. In the state where the toilet lid 300 is opened as shown in FIG. When the toilet lid 300 is closed, the upper surface of the toilet seat 400 is concealed.

  The main body 200 includes a cleaning mechanism including a cleaning water supply mechanism (not shown), a heat exchanger (not shown), a cleaning nozzle 201, a drying unit (not shown), and a control unit (not shown). Etc.) are built in.

  A seating sensor 202 is installed at the front corner of the main body 200. The seating sensor 202 is a reflective infrared sensor, and detects the presence of a user on the toilet seat 400 by detecting infrared light reflected by the human body. In addition, an operation unit 203 is provided on a side portion of the main body 200 so that main functions of the toilet seat device can be operated.

  Further, the washing water supply mechanism and the heat exchanger are connected to the washing nozzle 201, and the washing water supplied from the water pipe is supplied to the washing nozzle with hot water heated by the heat exchanger. The washing water is spouted toward the side to wash the user's local area. The cleaning nozzle 201 is provided with a butt cleaning nozzle part for cleaning the butt and a bidet nozzle part for cleaning a female part.

  Further, the drying unit can blow the warm air toward the local area wetted by the washing water and dry the local area.

  Note that the cleaning mechanism and the drying unit are not essential components of the toilet seat device, and may be a toilet seat device that does not include these components.

  The remote controller 500 is provided with a plurality of operation switches. The remote controller 500 is attached to a place such as a wall surface of a toilet room that can be operated by a user seated on the toilet seat 400 and operates each function of the toilet seat device 100.

  The human body detection sensor 600 is attached to a wall surface of a toilet room. The human body detection sensor 600 is a reflective infrared sensor, and detects that a user has entered the toilet room by detecting infrared light reflected from the human body.

  The control unit of the main body 200 controls the operation of each unit of the toilet seat device 100 based on signals transmitted from the remote controller 500, the human body detection sensor 600, and the seating sensor 202.

  When there is no user in the toilet room, the toilet seat device 100 of the present invention stops energizing the toilet seat heater or keeps the temperature low at about 20 ° C. When the user enters the toilet room, a signal from the human body detection sensor 600 is received, and the toilet seat heater is energized. The toilet seat heater is a very high output heater of about 800W, and the toilet seat seating surface is kept at an appropriate temperature of about 40 ° C for about 6 to 10 seconds after the user enters the toilet room and sits on the toilet seat. Warm up to. After the toilet seat reaches an appropriate temperature, the energization of the toilet seat heater is lowered to a low wattage of about 50 W to maintain the appropriate temperature. When the user gets out of the toilet room, the energization to the toilet seat heater is stopped or the temperature is kept at a low temperature of about 20 degrees. That is, the toilet seat device greatly reduces the power when there is no user in the toilet room.

<2> Configuration of Main Constituent Member of Toilet Seat FIG. 2 is a perspective view showing an appearance of the toilet seat in a completed state, FIG. 3 is a perspective view showing a disassembled state of the toilet seat, and FIG. FIG. 5 is a perspective view showing the lower surface of the upper toilet seat casing with the joining member attached thereto, FIG. 6 is a schematic view showing the cross section of the laminate film, and FIG. 7 is the upper toilet seat. FIG. 8 is a schematic view showing a method for attaching a laminated film to a casing, FIG. 8 is a cross-sectional view showing a combined body of an upper toilet seat casing and a joining member after the laminated film is attached, and FIG. 9 is a toilet seat indicated by AA in FIG. It is sectional drawing of a completion state.

  As shown in FIG. 2, the toilet seat 400 includes an arm portion 422 at the rear portion of the substantially elliptical annular seating surface 411, and the arm portion 422 is configured as a toilet seat toilet lid rotation mechanism of the main body 200 as shown in FIG. 1. By being coupled to (not shown), it is pivotally supported.

  As shown in FIG. 3, the toilet seat 400 includes an approximately elliptical annular upper toilet seat casing 410 mainly formed of an aluminum alloy, an approximately elliptical annular lower toilet seat casing 420 formed of resin, and an upper toilet seat casing 410. A bonding member 430 formed of a resin interposed between the upper toilet seat casing 420 and a lower toilet seat casing 420; a laminate film 440 made of a synthetic resin film that is an exterior member that covers substantially the entire surface of the upper toilet seat casing 410 and the side surface of the bonding member 430; A substantially horseshoe-shaped toilet seat heater 450 adhered to the back surface of the upper toilet seat casing 410 is configured as a main constituent member.

  Hereinafter, the front side viewed from the seated user is defined as the front portion of the toilet seat 400, and the rear side viewed from the seated user is defined as the rear portion of the toilet seat 400.

  The upper toilet seat casing 410 is formed by pressing an aluminum alloy plate having a thickness of about 1 mm.

  The upper toilet seat casing 410 has a curved portion 412 formed continuously at the rear portion of a substantially elliptical annular seating surface 411. The seating surface 411 forms an upwardly convex curved surface having an inclination in which the outer peripheral portion is higher than the inner peripheral portion.

  The lower toilet seat casing 420 is a molded product mainly using PP (polypropylene) resin, and has a main body portion 421 whose planar shape is substantially the same as that of the upper toilet seat casing 410, and an arm portion that projects obliquely upward to the rear of both sides of the main body portion 421. 422.

  An outer peripheral edge 420a and an inner peripheral edge 420b are formed on the outer periphery and the inner periphery of the lower toilet seat casing 420, and a welding rib 420c is integrally formed at the tip of the outer peripheral edge 420a. A welding rib 420d is integrally formed at the tip. These welding ribs 420c and 420d are melted and welded by a vibration welding machine when the lower toilet seat casing 420 and the joining member 430 are coupled.

  The joining member 430 is a molded product mainly using PP resin. The outer joint member 431 corresponding to the outer peripheral edge 410a of the upper toilet seat casing 410 and the inner peripheral joint member 432 corresponding to the inner peripheral edge 410c of the upper toilet seat casing 410 are two. It consists of two members.

  The toilet seat heater 450 is formed in a substantially horseshoe shape with a part of the front portion cut off. The toilet seat heater 450 is configured by meandering a linear heater between two metal foils made of aluminum. In particular, the user's thighs and buttocks seated on the seating surface 411 are arranged with different densities depending on the location so that they can be comfortably heated.

  4 is a cross-sectional view of the main parts of the upper toilet seat casing 410 and the joining member 430, and FIG. 5 is a perspective view of the state in which the upper toilet seat casing 410 and the joining member 430 are attached as viewed from below.

  As shown in FIG. 4, a plurality of fixed claws 413 formed by cutting and raising a part of the joint edge 410b are arranged at intervals on the joint edge 410b formed by bending the outer peripheral edge 410a of the upper toilet seat casing 410. Yes. A circular through-hole 413a is formed in the approximate center of the fixed claw 413.

  The outer periphery joining member 431 has a substantially elliptical annular shape, and has a substantially L-shaped cross section. A flat portion 431a is formed on the upper portion of the upper toilet seat casing 410 that contacts the joint edge 410b, and a joint rib 431b protruding downward is formed on the entire outer periphery of the flat portion 431a. The height of the joining rib 431b is smaller than the height of the welding rib 420c of the lower toilet seat casing 420.

  A plurality of fixing holes 433 are formed in the flat portion 431a at intervals corresponding to the fixing claws 413 of the upper toilet seat casing 410. The fixing hole 433 has an entrance portion at the upper part that is substantially the same size as the fixing claw 413 and can be inserted into the fixing claw 413, but the depth is smaller than the fixing claw 413 and is fixed. The depth of the hole 433 is also shallower than the height of the fixed claw 413, and the fixed claw 413 cannot be inserted into the fixed hole 433 in a normal state.

  While the fixed claw 413 of the upper toilet seat casing 410 is in contact with the entrance portion of the fixed hole 433 of the outer peripheral joint member 431, the outer peripheral joint member 431 is moved while heating the fixed claws 413 with an electromagnetic induction heating device. When pressed against the upper toilet seat casing 410, the resin around the fixing hole 433 of the outer joint member 431 is melted by the heat of the fixing claws 413, and the entire fixing claws 413 are completely penetrated to the inner side of the fixing hole 433 of the outer joint member 431. Inserted. Further, the molten resin is bonded through the through hole 413a of the fixing claw 413.

  When the heating of the electromagnetic induction heating device is stopped in such a state, the molten resin is solidified, and the joint edge 410b of the upper toilet seat casing 410 and the flat portion 431a of the outer peripheral joint member 431 are fixed in a state of being in close contact with each other. be able to. In particular, since a part of the molten resin is solidified in a state where it passes through the fixing claw 413 through-hole 413a, the upper toilet seat casing 410 and the outer joint member 431 can be firmly fixed.

  Similarly, on the joint edge 410d formed by bending the inner peripheral edge 410c of the upper toilet seat casing 410, a plurality of fixing claws 413 formed by cutting and raising a part of the joint edge 410d are arranged at intervals. A circular through-hole 413 a is formed at the approximate center of the claw 413.

  The inner peripheral joining member 432 has a substantially elliptical annular shape, and has a substantially L-shaped cross section. A flat portion 432a is formed on the upper portion of the upper toilet seat casing 410 that contacts the joint edge 410d, and a joint rib 432b that protrudes downward is formed on the entire inner periphery of the flat portion 432a. The height of the joining rib 432b is smaller than the height of the welding rib 420d of the lower toilet seat casing 420.

  Similar to the outer peripheral joint member 431, a plurality of fixing holes 433 are formed in the flat portion 432 a at positions corresponding to the fixing claws 413 of the upper toilet seat casing 410 at intervals. The fixing hole 433 is formed in a shape in which the fixing claw 413 can be inserted into the upper entrance portion so that the fixing claw 413 is substantially the same size, but the depth is smaller than the fixing claw 413 and is fixed. The depth of the hole 433 is also shallower than the depth at which the fixed claw 413 can be inserted, and the fixed claw 413 cannot be inserted into the fixed hole 433 in a normal state.

While the fixed claw 413 of the upper toilet seat casing 410 is in contact with the entrance portion of the fixed hole 433 of the inner peripheral joint member 432, the inner peripheral joint member is heated while heating the fixed claw 413 with an electromagnetic induction heating device. When 432 is pressed against the upper toilet seat casing 410, the resin around the fixing hole 433 of the inner peripheral joining member 432 is melted by the heat of the fixing pawl 413, and the entire fixing pawl 413 is formed in the fixing hole 433 of the inner peripheral joining member 432. It is completely inserted to the back. Further, the molten resin is bonded through the through hole 413a of the fixing claw 413.

  When the heating of the electromagnetic induction heating device is stopped in such a state, the molten resin is solidified, and the joint edge 410d of the upper toilet seat casing 410 and the flat portion 432a of the inner peripheral joint member 432 are fixed in a state of being in close contact with each other. can do. In particular, since a part of the molten resin is solidified in a state where it passes through the fixing claw 413 through-hole 413a, the upper toilet seat casing 410 and the inner peripheral joining member 432 can be firmly fixed.

<3> Configuration of Laminate Film FIG. 6 is a schematic diagram showing a cross-sectional configuration of the laminate film 440.

  The laminate film 440 is formed in a three-layer structure using PP (polypropylene) resin as a film substrate. The adhesive layer 440a as the first layer uses an acrylic adhesive as a material and has a thickness of about 50 μm. The film base 440b, which is the second layer laminated on the adhesive layer 440a, uses PP as a material and has a thickness of 100 μm to 150 μm. The surface layer 440c laminated on the film base 440b as the second layer uses PP as a material and has a thickness of 50 μm to 100 μm. The film base 440b and the surface layer 440c are formed to have a total thickness of about 200 μm.

  The adhesive layer 440a and the film base 440b are fixed by the adhesive force of the adhesive layer 440a, and the film base 440b and the surface layer 440c are softened and fixed by applying heat.

  The laminate film 440 is adhered to the upper toilet seat casing 410 and the joining member 430 by the adhesive layer 440a which is the first layer, and the film base material 440b which is the second layer is a layer having design properties, and is monochromatic. Alternatively, it is possible to perform printing of a plurality of colors and various patterns. The surface layer 440c, which is the third layer, is a protective layer for preventing damage to the film base 440b and preventing the printing portion from being deteriorated by a detergent used in the toilet, and by using a transparent material, The design can be further improved by adding depth.

  As a result, the seating surface 411 of the upper toilet seat casing 410 and the bent portion 412 at the rear portion thereof are covered with the integrally formed laminate film 440, so that it is not necessary to apply cosmetic treatment to the surface, and the upper toilet seat Since the casing 410 and the outer peripheral joint portion 401a and the inner peripheral joint portion 401b of the joining member 430 are also covered with the laminate film 440, it is not necessary to perform waterproofing separately, and the processing steps of the upper toilet seat casing 410 can be reduced. The assembly process of the upper toilet seat casing 410 and the joining member 430 can also be reduced.

  Further, by forming the upper toilet seat casing 410 mainly from an aluminum alloy, the thermal conductivity of the seating surface 411 and the bent portion 412 at the rear thereof can be improved, and the toilet seat heater adhered to the back surface of the upper toilet seat casing 410 In 450, the temperature of the seating surface 411 and the bent portion 412 at the rear portion can be raised in a short time.

<4> Method for Fixing Laminate Film FIG. 7 is a schematic view showing a method for attaching the laminate film, and FIG. 8 is a cross-sectional view of a combined body of the upper toilet seat casing and the joining member after the laminate film is attached.

  The laminate film 440 is mainly formed of a PP resin film, and is easily stretched and deformed by applying heat.

  As a method of tightly fixing the laminate film 440 along the shape of the upper toilet seat casing 410 and the joining member 430, as shown in FIG. 5, the upper toilet seat casing 410 and the joining member 430 are completely fixed in a molding apparatus (not shown). A flat laminate film 440 having a size to cover is arranged so that the adhesive layer 440a is on the lower surface. A combined body of the upper toilet seat casing 410 and the joining member 430 is disposed below the laminate film 440.

  Heat is applied to the laminate film 440 so that the laminate film 440 is easily stretched and deformed, and the combined body of the upper toilet seat casing 410 and the joining member 430 is pressed from below the laminate film 440 with the adhesive layer 440a as the lower surface.

  As a result, the laminate film 440 expands and contracts along the combined body of the upper toilet seat casing 410 and the joining member 430, and the seating surface 411 and the rear bent portion 412 of the upper toilet seat casing 410, the upper toilet seat casing 410, and the joining member. The bonding portion with 430 and the side surface of the bonding member 430 are covered with a laminate film 440. In this state, the inside of the molding apparatus (not shown) is evacuated, whereby the outer peripheral end 440d and the inner peripheral end 440e of the laminate film 440 wrap around to the lower surface of the joining member 430 and join the upper toilet seat casing 410. The laminate film 440 along the shape of the combined body of the members 430 is bonded and fixed by the adhesive layer 440a.

  After bonding and fixing the laminate film 440, the outer peripheral end portion 440d and the inner peripheral end portion 440e of the laminate film 440 are removed, and the outer peripheral end portion 440d of the laminate film 440 covers the lower surface of the flat portion 431a of the outer peripheral bonding member 431. The inner peripheral end 440e is finished to a predetermined shape so as to cover the lower surface of the flat portion 432a of the inner peripheral joining member 432.

  Next, an ultrasonic welder is used to cut the outer peripheral end 440d of the laminated film 440 that has been cut, the flat portion 431a of the outer peripheral bonding member 431, and the inner peripheral end 440e and the flat portion 432a of the inner peripheral bonding member 432 using an ultrasonic welding machine. Weld. Thereby, the laminate film 440 has a structure that cannot be easily peeled off.

<5> Assembly Configuration of Toilet Seat FIG. 9 is a cross-sectional view of the completed toilet seat indicated by AA in FIG.

  In the state where the toilet seat heater 450 is adhered and fixed to the back surface of the combined body of the upper toilet seat casing 410 and the bonding member 430 to which the laminate film 440 is bonded and fixed as described above, the combined body of the upper toilet seat casing 410 and the bonding member 430 and the lower toilet seat are bonded. The casings 420 are arranged to face each other, the welding ribs 420c on the outer peripheral edge 420a of the lower toilet seat casing 420 are brought into contact with predetermined positions on the flat portion 431a of the outer peripheral joining member 431, and the welding ribs 420d on the inner peripheral edge 420b are brought into contact with the inner peripheral joining member 432. The welding ribs 420c and 420d are melted by a vibration welding machine in a state in which the flat portion 432a is in contact with a predetermined position, and the lower toilet seat casing 420 is pressed against the combined body of the upper toilet seat casing 410 and the joining member 430, thereby joining. The tip ends of the welding ribs 420c and 420d higher than the height of the rib 431b are deformed. , Assembly of the joint member 430 and the lower toilet seat casing 420 seat 400 is welded and fixed to complete.

In the completed state, the tips of the welding ribs 420c and 420d higher than the joining ribs 431b and 432d of the joining member 430 are melted and pressed to reduce the height, and the outer peripheral end 440d and inner peripheral end of the laminate film 440 are reduced. The part 440e is sandwiched between the joining member 430 and the lower toilet seat casing 420, and is not easily peeled off.

  As described above, the toilet seat 400 according to the present embodiment covers the upper toilet seat casing 410 and the joining member 430 with the laminate film 440, and welds and fixes the joining member 430 and the lower toilet seat casing, so that the cosmetic treatment of the upper toilet seat casing 410 is performed. The joint portion between the upper toilet seat casing 410 and the joint member 430 can be waterproofed at the same time, and the joint portion between the joint member 430 and the lower toilet seat casing 420 can be fixed by welding and fixing the joint member 430 and the lower toilet seat casing 420. As a result, the entire toilet seat 400 can be waterproofed.

  While laminating the outer peripheral end portion 440d and the inner peripheral end portion 440e of the laminate film 440 at a plurality of locations and sandwiching the laminate film 440 between the joining member 430 and the lower toilet seat casing 420, peeling of the laminate film 440 can be prevented. The appearance and internal functions of 400 can be stably maintained over a long period of time.

  In this embodiment, the upper toilet seat casing 410 uses an aluminum alloy plate. However, a plate material such as a copper alloy plate or a stainless alloy plate or a metal having good heat conductivity such as a molded product using a magnesium alloy is used. May be.

  In the present embodiment, the laminate film 440 is composed of three layers of an adhesive layer 440a, a film base 440b, and a surface layer 440c, and the film base 440b has a design property, but the present invention is not limited to this. Alternatively, the surface layer 440c may have a design property, or the film base 440b and the surface layer 440c may be integrated into one layer. Moreover, it is good also as a structure which added sanitary functions, such as an antibacterial agent, to at least one of the surface layer 440c and the film base material 440b.

  In addition, although an acrylic adhesive is used for the adhesive layer 440a, an epoxy adhesive or a urethane adhesive may be used. Moreover, you may use an adhesive instead of an adhesive agent.

  In this embodiment, PP (polypropylene) resin is used as the film base 440b of the laminate film 440. However, the present invention is not limited to this, and other materials such as PE (polyethylene) resin and PET (polyethylene terephthalate) resin are used. These resins may be used.

  As described above, since the toilet seat device according to the present invention can perform the makeup process and the waterproof process at the same time, the toilet seat apparatus can be applied to other water-use devices.

DESCRIPTION OF SYMBOLS 100 Toilet seat apparatus 400 Toilet seat 410 Upper toilet seat casing 420 Lower toilet seat casing 430 Joining member 431 Outer periphery joining member 432 Inner periphery joining member 440 Laminate film (exterior member)
440d Outer peripheral edge (end)
440e Inner peripheral edge (end)

Claims (4)

An annular upper toilet seat casing formed of a metal material;
An annular lower toilet seat casing formed of a resin material;
An annular joint member formed of a resin material interposed between the upper toilet seat casing and the lower toilet seat casing;
An exterior member formed of a film-like thermoplastic resin material that expands and contracts by heating,
The joining member is joined to a lower end of the upper toilet seat casing;
The exterior member covers the outer surface of the upper toilet seat casing, and the end of the exterior member is wound around and fixed to the lower surface of the joining member,
The joining member and the lower toilet seat casing are configured to be tightly coupled over substantially the entire circumference.
toilet seat. The joining member is
An outer peripheral joint member corresponding to an outer peripheral edge of the upper toilet seat casing;
It was composed of two members, an inner peripheral joint member corresponding to the inner peripheral edge of the upper toilet seat casing,
The toilet seat according to claim 1. The joining member and the lower toilet seat casing are combined by welding,
The toilet seat according to claim 1 or 2. A body placed on the toilet,
The toilet seat according to any one of claims 1 to 3, which is pivotably supported by the main body.
Toilet seat device.