JPH0827873A - Manufacture of urinal with spreader - Google Patents

Abstract

PURPOSE:To eliminate the need for a spreader joint work with an urinal main body and facilitate the manufacture of urinals and enhance a water jet function of a spreader when manufacturing urinals with a ceramic spreader. CONSTITUTION:When manufacturing ceramic urinal main bodies with a sheet- like upper wall area 18 and urinals 10 provided with a spreader 14 which is installed to the lower part of the upper wall area 18 and scatters city water supplied from a water-jet hole 36 and jets water and lets the jet water to flow down along the surface of a toilet bowl, the upper wall area 18 is molded separately from the other parts of the urinal main bodies 12. On one hand, the spreaders are molded in one piece with the urinal main bodies 12 but the upper wall area 18 is excluded. The upper wall area 18 is jointed with the urinal main bodies 12, thereby forming the urinal main bodies. The molded bodies are calcined.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing a urinal with a sprayer, and more particularly to a method for manufacturing a urinal in which the sprayer is made of ceramics.

[0002]

2. Description of the Related Art Generally, a urinal is equipped with a sprayer on the lower side of a plate-shaped upper wall at its upper end, and receives tap water supplied by the sprayer and disperses it from a large number of water spray holes. It is designed to be sprayed with water and then washed by pouring it over the pot surface.

FIG. 4 shows an example thereof. In the figure, 100 is the main body of the urinal 102 made of ceramics, and the side wall 10
4 and the rear wall portion 106, and a lateral rim 11 that extends laterally below the front end of the upper wall portion 108 of the upper end of the pot composed of these.
Has 0.

Reference numeral 112 denotes an upper wall portion 108, a side wall portion 104,
A sprayer made of ceramics disposed inside a space surrounded by the rear wall portion 106 and the lateral rim 110. The sprayer 112 is provided from the water supply port 114 of the upper wall portion 108 as shown in the figure. The water is temporarily stored in the storage unit 116 and then flows out from the through hole 118, and a part of the water is discharged to the rim water passage inside the vertical rim 120 through the rim water passage inside the horizontal rim 110. , The other part is dispersed and sprayed from the plurality of water spray holes 122 formed along the outer periphery of the other part,
The inner surface of the pot is allowed to flow down to wash the same.
The water flowing down along the rim water passage is ejected from the ejection holes at the bottom to clean the inner surface of the bottom.

Conventionally, this type of ceramic sprayer 112
In the attached urinal 102, the urinal body 100 and the sprayer 112 are separately molded as shown in FIG. (B), and the urinal body 100 and the sprayer 112 in a green state are joined to each other. After being integrated, it was manufactured by firing.

Specifically, the joint surface of the urinal body 100 and / or the sprayer 112 (the outer peripheral surface in which the water spray holes 122 are formed) is coated with sludge as a joint material, and the sprayer 112 is attached to the side wall of the urinal body 100. After being inserted and set in a narrow space surrounded by the portion 104, the rear wall portion 106, the upper wall portion 108, and the lateral rim 110, the joint surface thereof is pressed against the joint surface of the urinal body 100 to be attached.
It was then manufactured by firing it.

[0007]

However, the operation of inserting and joining the sprayer 112 in the green state, that is, the sprayer 112 which is still in a soft state and has a hollow structure inside requires a skill. This is a difficult work, and there is a problem that the sprayer 112 is deformed if the sprayer 112 is strongly pressed at that time.

Further, there is a problem that the bonding material may enter the inside of the water spray hole 122 and the water spray hole 122 may be partially blocked.

[0009]

The invention of the present application has been made to solve such problems. Thus, the invention of the present application is to provide a ceramic urinal body having a plate-shaped upper wall portion, and a tap water that is disposed below the upper wall portion and that is supplied with tap water dispersed through a water spray hole. A method of manufacturing a urinal provided with a ceramic sprayer that flows on a bowl surface, wherein the plate-shaped upper wall portion of the urinal body is molded separately from the other portion of the urinal body, Is integrally formed with the urinal body except the upper wall portion, and the upper wall portion is joined to the urinal body to obtain a urinal molded body, which is fired (claim) Item 1).

According to another invention of the present application, the urinal body is provided with a lateral rim extending laterally below the front end of the upper wall portion, and the lateral rim serves as the sprayer when the urinal body is molded. It is characterized by being integrally molded (claim 2).

Still another invention of the present application is characterized in that the sprayer is provided with a plurality of the water spray holes along an outer peripheral portion which is a connecting portion with the urinal body (claim 3).

[0012]

As described above, according to the invention of claim 1, the upper wall portion of the urinal body is formed separately from other portions, and the sprayer is formed integrally with the urinal body excluding the upper wall portion. Then, the separately molded upper wall portion is joined to the urinal body to complete a molded urinal body, which is then fired.

According to the present invention, since it is not necessary to attach the sprayer to the body of the urinal, which has been conventionally difficult, it is possible to easily join the plate-shaped upper wall portion. As a whole, a series of urinal molding operations can be easily performed without requiring skill.

As described above, the operation of joining the sprayer is more difficult when the lower end of the upper wall portion has a lateral rim, and therefore the present invention is particularly effective when applied to a urinal having such a lateral rim. Is large (claim 2).

Further, in the case of the conventional method, when the water spray holes are formed in the outer peripheral portion of the sprayer as described above, there arises a problem that the water spray holes are partially blocked by the bonding material, while the sprayer according to the present invention. Since there is no problem that the water spray holes in (1) are partially blocked by the bonding material, there is an advantage that the water spray function in the sprayer is enhanced. That is, the present invention is effective when applied to a case where a plurality of water spray holes are provided along the outer peripheral portion of the sprayer (claim 3).

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described in detail with reference to the drawings. 1 and 2, 10 is a urinal, which includes a urinal body 12 made of ceramics and a sprayer 14 also made of ceramics. The urinal body 12 is a side wall 1
6, a rear wall portion 17 and a plate-shaped upper wall portion 18 at the upper end, and further has a horizontal rim 20 below the upper wall portion 18 and left and right vertical rims 22. Here, in the upper wall portion 18, a water supply port 24 for receiving tap water is formed.

As shown in FIG. 1, the sprayer 14 includes a bottom plate 26, a temporary storage chamber 30 for tap water surrounded by a wall portion 28, and a through hole through which water in the storage chamber 30 flows out. 32 and a water discharge chamber 34 outside the storage chamber 30, and a plurality of water discharge chambers 34 are provided along the outer peripheral portion in contact with the inner surface of the bowl constituted by the side wall portion 16 and the rear wall portion 17 of the urinal body 12. Water spray holes 36 are formed at predetermined intervals.

A rim water passage 20a is formed inside the lateral rim 20, and the rim water passage 20a and the storage chamber 30 are connected by a through hole 38.

In the urinal 10 of this example, the water supply port 24
The tap water supplied through is once stored in the storage chamber 30, then flows out to the water discharge chamber 34 through the through hole 32, is further dispersed and sprayed on the inner surface of the pot through the plurality of water spray holes 36, and further along the inner surface. Flow down and wash it.

A part of the water is passed through the through hole 38 to form the lateral rim 2.
After flowing out into the rim water passage 20a in 0, it is divided into left and right and flows down along the rim water passage inside the vertical rim 22, and is jetted from the jet holes in the pot bottom to wash the inner surface of the pot bottom.

In the urinal 10 of this embodiment, the upper wall portion 18 of the urinal body 12 is molded separately from the other portion of the urinal body 12, while the sprayer 14 is the upper wall portion of the urinal body 12. 18
The urinal 10 as a whole is constructed by integrally molding the parts except the above and joining the upper wall part 18 to the other part.

Here, the urinal body 12 and the sprayer 14 excluding the upper wall portion 18 can be integrally formed by the method shown in FIG. In the figure, 39 is an upper mold, 40 is a horizontal mold, 42 is a middle mold, and 44 is a mold piece which is separate from these. The upper die 39 has a molding portion 4 for molding the storage chamber 30.
6, a molding portion 48 for molding the water discharge chamber 34, and further the water spray hole 3
6. A projecting shaped molding portion 50 for molding 6 is provided downward. The molded portion 50 of the water spray hole 36 is made of a urethane rod in this example.

The urinal body 12 excluding the upper wall portion 18 by pouring sludge into the space surrounded by the upper mold 39, the horizontal mold 40, the middle mold 42, and the mold piece 44, and allowing the mud to drain. Also, an integrally molded product of the sprayer 14 can be obtained. After that, the molded urinal 10 can be obtained by joining the separately molded upper wall portion 18. The plate-shaped upper wall portion 18 can be easily formed by pouring sludge into a mold having a corresponding space and solidifying it.

As described above, the upper wall portion 18 of the urinal body 12 is molded separately from other portions, while the sprayer 14 is formed.
Is molded integrally with the urinal body 12 excluding the upper wall portion 18, and the separately molded upper wall portion 18 is joined to the urinal body 12, whereby a molded body of the urinal 10 can be obtained. When this is fired, it becomes a finished product.

According to this embodiment, the work of joining the sprayer 14 to the urinal body 12 which has been conventionally difficult is not required, and the plate-shaped upper wall portion 18 can be joined easily. Therefore, as a whole, a series of molding work of the urinal 10 can be easily performed without requiring skill.

Further, according to the present embodiment, since the water spray holes 36 in the outer peripheral portion of the sprayer 14 are not partially blocked by the bonding material, the spraying function of the sprayer 14 can be enhanced.

The embodiment of the present invention has been described in detail above, but this is merely an example, and the present invention can be implemented in variously modified modes without departing from the spirit of the invention.

[Brief description of drawings]

FIG. 1 is a diagram of a main part of a method according to an embodiment of the present invention.

FIG. 2 is a diagram showing a urinal obtained by the method of the embodiment with a part thereof cut away.

FIG. 3 is a diagram showing a main part of the method according to the present invention, which is different from FIG.

FIG. 4 is a diagram showing a main part of a conventional method of manufacturing a urinal with a sprayer.

[Explanation of symbols]

 10 Urinal 12 Urinal Main Body 14 Sprayer 16 Side Wall 17 Rear Wall 18 Upper Wall 20 Horizontal Rim 22 Vertical Rim 36 Water Spray Hole

Claims (3)

[Claims] 1. A urinal body made of ceramics having a plate-shaped upper wall portion, and tap water that is disposed below the upper wall portion and is supplied with water supplied by dispersing it from a water spray hole. A method of manufacturing a urinal, comprising: a sprayer made of porcelain flowing on a surface of the urinal body, wherein a plate-shaped upper wall portion of the urinal body is formed separately from the other portion of the urinal body, A urinal with a sprayer, characterized by being integrally molded with the urinal body excluding the wall portion, and the upper wall portion being joined to the urinal body to obtain a urinal molded body, which is then fired. Production method. 2. The urinal body has a lateral rim extending laterally below the front end of the upper wall portion, and the lateral rim is integrally formed with the sprayer when the urinal body is molded. The method of manufacturing a urinal with a sprayer according to claim 1. 3. The urinal with a sprayer according to claim 1, wherein the sprayer is provided with a plurality of the water spray holes along an outer peripheral portion which is a connecting portion with the urinal body. Method.