JP2010196246A - Toilet bowl device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a toilet bowl device which is fitted with a synthetic-resin skirt portion hardly deformed even in the application of an eccentric load or such a vertical bending force as to expand an opening of the skirt portion, and which is excellent in appearance. <P>SOLUTION: This toilet bowl device includes a rim portion 5, a bowl portion 6 and the skirt portion 1, and hollow ribs 2 are vertically and integrally provided on the inner wall surface 11 of the skirt portion 1 formed of a synthetic resin. A plurality of the hollow ribs 2 can also be vertically juxtaposed, and top portions of the hollow ribs 2 can also be connected and integrated together by a connecting piece 31. Furthermore, a synthetic resin foam 4 can also be infilled into a plurality of spaces formed of the inner wall surface 11 of the skirt portion 1 and the connecting piece 31, among the plurality of hollow ribs 2 and 2. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a toilet device, and more particularly to a toilet device having a skirt portion.

  The toilet bowl device of a western style toilet is mainly made of earthenware molded integrally by a casting method. For example, an integrally molded body product in which mud is poured into a casting mold and solidified is generally distributed. . However, the toilet device manufactured by the above method inevitably causes deformation and cracking in the manufacturing process such as molding and firing, which increases the manufacturing cost, and the toilet device of a certain quality. There is a problem that it is difficult to manufacture.

  On the other hand, in recent years, the progress of the resin molding method has made it possible to mold large-sized members. Therefore, synthetic resin members and ceramic members are used as the main members, and these are combined to form a toilet device such as a Western-style toilet. Is being made.

  For example, as shown in FIG. 5, the skirt member 7, the bowl member 8, and the rim member 9 are provided as independent members, and the bowl member 8 is accommodated and disposed in the skirt member 7. A toilet device in which a rim member 9 is mounted is known. Here, the inside of the rim member 9 is hollow, a washing water channel through which washing water flows is provided, and a toilet seat (not shown) is placed on the rim member 9. At this time, a bowl made of ceramic is used as the bowl member 8, and a synthetic resin molded product is often used as the rim member 9 and the skirt member 7.

  On the other hand, in recent years, a toilet device in which all main members are made of synthetic resin has been developed. For example, Japanese Unexamined Patent Application Publication No. 2008-25176 (Patent Document 1) discloses a toilet bowl composed of two parts, a synthetic resin skirt portion and a synthetic resin bowl portion disposed inside the skirt portion. It is disclosed. As shown in FIG. 2 of Patent Document 1, the upper end of the bowl portion forms a hollow portion through which washing water flows in cooperation with the skirt portion, and the upper end surface is an upper portion of the skirt portion. A toilet bowl having a toilet seat mounting surface to be joined to the toilet is disclosed. Here, the toilet bowl described in Patent Document 1 is composed of two parts, a synthetic resin skirt part and a synthetic resin bowl part arranged inside the skirt part. The effect is described when it is possible to reduce the number of products and manufacture at a reduced cost.

  Further, as shown in FIG. 1A of Patent Document 1, a wedge-shaped rib that supports the outer peripheral portion of the bowl portion is integrally formed on the inner surface of the skirt portion. The effect that the rigidity of a mounting surface part improves is also described.

JP 2008-25176 A

  According to the technique described in Patent Document 1, the wedge-shaped rib that supports the outer peripheral portion of the bowl portion is integrally formed on the inner surface of the skirt portion, so that the rigidity of the toilet seat placing surface portion is improved. . However, when the user sits with the toilet seat placed, it cannot be said that a sufficient reinforcing effect can be exerted against the downward load applied to the skirt portion from the toilet seat direction. In addition, when an eccentric load is applied due to a change in use position, there is a problem that the skirt portion is twisted or bent.

  The present invention has been made in view of the above-mentioned background art, and its purpose is that an eccentric load is applied to the skirt portion due to a change in the use position of the user, or the opening portion of the skirt portion is expanded depending on the weight of the user. To provide a toilet apparatus that has a sufficient strength and is not deformed even when a force to bend in the vertical direction is applied, and that is excellent in appearance.

  In order to solve the above-mentioned problem, a toilet device according to the first aspect of the present invention is a toilet device including a rim portion, a bowl portion, and a skirt portion, and an inner wall surface of a skirt portion formed of a synthetic resin. The hollow rib is integrally provided in the vertical direction.

  The rim portion, the bowl portion, and the skirt portion are all resin molded products formed by injection molding, compression molding, vacuum molding, or the like, and a thermoplastic resin is mainly used as a molded member. Here, the skirt portion is attached to the rim portion and the bowl portion, and the toilet device is composed of two parts, a water-washing bowl portion and a skirt portion formed by welding and integrating the rim portion and the bowl portion in advance. A skirt portion may be attached to the washing bowl portion.

  The invention according to claim 2 of the present application is the toilet device according to claim 1, wherein a plurality of hollow ribs are juxtaposed in a vertical direction, and the tops of the plurality of hollow ribs are connected and integrated by a connecting piece. It is characterized by being made.

  The invention according to claim 3 of the present application is the toilet device according to claim 2, wherein the inner wall surface of the skirt portion and the connecting piece between the hollow portions of the plurality of hollow ribs or between the hollow ribs and the hollow ribs, The synthetic resin foam is filled in a plurality of spaces constituted by the above.

  In the toilet device according to the first aspect of the present invention, the skirt portion that protects the bowl portion or the flush bowl portion in which the rim portion and the bowl portion are welded and integrated is mounted. It is possible to provide a toilet device that prevents the bowl portion and the water-washing bowl portion from being damaged or damaged and has an excellent appearance.

  In addition, a hollow rib having substantially the same rigidity as a rib having no hollow portion is integrally provided in the vertical direction on the inner wall surface of the skirt portion made of synthetic resin, so that the user sitting on the toilet seat The skirt part will not be deformed even if an eccentric load is applied to the skirt part due to a change in the position of the skirt part or a longitudinal bending force is applied such that the opening part of the skirt part expands due to the weight. Can do. Then, the user can comfortably sit on the toilet device reinforced by the skirt portion.

  Moreover, by providing the ribs with hollow portions, the ribs themselves can be reduced in weight, and the raw materials used can be saved. Thereby, the weight of the toilet bowl is reduced, which is advantageous for transportation and construction, and the toilet apparatus can be provided at low cost.

  In the toilet device according to the second aspect of the present invention, the plurality of hollow ribs are juxtaposed in the vertical direction, and the tops of the plurality of hollow ribs are connected and integrated by connecting pieces, so And the skirt can be reinforced. Even when an eccentric load is applied, or when a force that bends in the vertical direction such that the opening of the skirt portion expands due to weight is applied, sufficient strength can be imparted to the skirt portion without deformation.

  In the toilet device according to the invention of claim 3 of the present application, a synthetic resin foam in a space between a plurality of hollow ribs and a plurality of spaces constituted by an inner wall surface of a skirt portion and a connecting piece, or a hollow portion of a hollow rib, For example, by filling with foamed polyurethane resin foamed to a low density, in addition to the effect of reinforcement, running water in the toilet, sound insulation of washing sound, heat insulation effect of synthetic resin foam on the outer surface of the skirt part Effects such as prevention of condensation can be achieved.

The disassembled perspective view which shows typically the process of manufacturing the toilet device which concerns on 1st Embodiment of this invention. Explanatory cross-sectional explanatory drawing along the XX line in FIG. Explanatory cross-sectional explanatory drawing which shows the connection hollow rib which concerns on 2nd Embodiment of this application. Explanatory cross-sectional explanatory drawing which shows the improvement example of the connection hollow rib which concerns on 2nd Embodiment of this application. The conceptual diagram which shows the structure of a well-known toilet bowl.

  Hereinafter, embodiments of a toilet device according to the present invention will be described in detail with reference to the drawings. First, a method for manufacturing the toilet device of the present invention will be described. FIG. 1 is an exploded perspective view schematically showing a process of manufacturing the toilet device according to the first embodiment of the present invention.

  In FIG. 1, the rim part 5, the bowl part 6 and the skirt part 1 are made of acrylic resin such as acrylonitrile-butylene-styrene copolymer resin (ABS resin) and polymethyl methacrylate, polyolefin resin such as polyethylene and polypropylene, polyethylene It is made of a thermoplastic resin such as polyester resin such as terephthalate or polybutylene terephthalate (PBT), or a recycled resin thereof, and is molded by a known method such as injection molding, compression molding or vacuum molding. The wall thickness is 3 to 10 mm.

  The rim portion 5 and the bowl portion 6 are annealed to remove residual stress, positioned by a non-illustrated fixing jig, and then integrated by vibration welding. That is, the lower edge 51 of the rim portion 5 corresponding to the circumference of the upper edge 61 of the opening is brought into contact with the upper edge 61 of the fixed bowl portion 6 so that the vibration from the vibration welding apparatus outside the figure is rim portion 5. To give. Here, frictional heat is generated by vigorously vibrating with a stroke of about 1 to 2 mm, and the lower edge 51 of the rim portion 5 and the upper opening edge 61 of the bowl portion 6 are welded.

  Next, the skirt portion 1 is vibration welded to the rim portion 5 and the bowl portion 6 (hereinafter referred to as a water-washing bowl portion) integrated as described above in the same manner as described above. At this time, a hollow rib 2 having a hollow portion 21 is integrally formed in the inner wall surface 11 of the skirt portion 1 in the vertical direction, and the skirt portion 1 is firmly reinforced by the hollow rib 2, and the skirt portion 1 itself. The rigidity is improved.

  Therefore, the skirt portion 1 having a large number of thin plate portions does not bend or twist due to vibration or pressurization during vibration welding, and the upper edge portion 12 of the skirt portion 1 is firmly abutted against the flushing bowl portion and rubbed. Can be welded to. Furthermore, when the product is assembled after assembly, even if an eccentric load is applied to the skirt portion 1 due to a change in the use position of the user, or even if a longitudinal or outward bending force is applied depending on the weight of the user, Since the opening of the skirt portion 1 can be endured and the washing bowl portion can be firmly supported, the user can comfortably add to the use.

  FIG. 2 is an enlarged cross-sectional explanatory view taken along line XX in FIG. As shown in FIG. 2, the hollow rib portion 2 formed integrally with the inner wall surface 11 of the skirt portion 1 has a hollow triangular prism shape and can be reduced in weight by providing the hollow portion 21. It is possible to save raw materials used. In addition, there is no problem in strength compared to a triangular prism that does not have the hollow portion, and even if an eccentric load is applied to the skirt portion 1 or a large bending force is applied in the longitudinal direction or outward direction, Can support flush bowl.

  FIG. 3 is an enlarged cross-sectional explanatory view showing the connecting hollow rib 3 according to the second embodiment of the present application. As shown in FIG. 3, in the second embodiment, a plurality of hollow ribs 2 are connected by a connecting piece 31 to form a connecting hollow rib 3 and a connecting hollow portion 32. Thus, the skirt part 1 can be further reinforced by connecting the tops of the plurality of hollow ribs 2 with the connecting piece 31.

  FIG. 4 is an enlarged cross-sectional explanatory view showing an improvement example of the connecting hollow rib 3 according to the second embodiment. As shown in FIG. 4, in the improved example (A), a plurality of connecting hollow portions 32 constituted by the inner wall surface 11 of the skirt portion 1 and the connecting pieces 31 between the hollow ribs 2 and the hollow ribs 2. Is filled with a synthetic resin foam 4. In the improved example (b), the synthetic resin foam 4 is filled in the connecting hollow portion 32 of the hollow rib 2 formed by the skirt portion 1 and the connecting piece 31. Naturally, the synthetic resin foam 4 may be filled in the hollow portion 21 of the hollow portion rib 2 formed integrally with the inner wall surface 11 of the skirt portion 1 shown in FIG.

  As the synthetic resin foam 4, a foam of polyurethane resin, a synthetic rubber such as butyl rubber or polybutadiene rubber, or a foam of natural rubber, or a polyolefin resin such as polypropylene or low density polyethylene is used. These resins are preferably used after being foamed to a low density.

  By filling the synthetic resin foam 4 having the above-described configuration, the skirt portion 1 is further reinforced, and the skirt portion 1 is insulated by sound insulation of running water when the toilet room is used or by the heat insulating effect of the synthetic resin foam 4. The occurrence of condensation on the outer surface of the can be prevented.

  In the said embodiment, although the hollow rib 2 of the shape of a hollow triangular prism was demonstrated, it is good also as a hollow square pillar. Alternatively, it may be a hollow semi-cylinder. In short, a hollow rib may be provided integrally with the inner wall surface 11 of the skirt portion 1. Furthermore, in addition to the space constituted by the inner wall surface 11 of the skirt portion 1 and the connecting piece 31 between the hollow ribs 2, the space 21 of the hollow rib 2 itself may be filled with the synthetic resin foam 4. . Further, instead of the synthetic resin bowl portion 6, a ceramic bowl may be used, and other members may be made of synthetic resin, and these may be combined.

  In order to improve the surface quality of the rim portion 5 and the bowl portion 6 of the toilet device formed as described above, it is preferable to improve the surface hardness by coating with a known hard coat material. In particular, it is preferable that the bowl portion 6 has a surface hardness that is improved to the same extent as that of ceramic so that dirt can easily flow away. As described above, the toilet device of the present invention can be freely changed in design, and any case belongs to the technical scope of the present invention unless departing from the scope of the claims.

DESCRIPTION OF SYMBOLS 1 Skirt part 11 Inner wall surface 12 Upper edge part 2 Hollow rib 21 Hollow part 3 Connection hollow rib 31 Connection piece 32 Connection hollow part 4 Synthetic resin foam 5 Rim part 51 Lower edge 6 Bowl part 61 Opening upper edge 7 Known toilet device The skirt member 8 constituting the toilet bowl member 9 constituting the known toilet device The rim member constituting the known toilet device

Claims (3)

  A toilet device comprising a rim portion, a bowl portion, and a skirt portion, wherein a hollow rib is integrally provided in a vertical direction on an inner wall surface of a skirt portion made of synthetic resin.   The toilet device according to claim 1, wherein the plurality of hollow ribs are arranged side by side in the vertical direction, and top portions of the plurality of hollow ribs are connected and integrated by a connecting piece.   The synthetic resin foam is filled in a plurality of spaces formed by the inner wall surface of the skirt portion and the connecting piece between the hollow portions of the plurality of hollow ribs or between the hollow ribs and the hollow ribs. The toilet device described.

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