KR102225309B1 - Toilet stool of one piece type with rim and manufacturing method thereof - Google Patents

Abstract

The present invention relates to a rimless two-piece toilet stool and a manufacturing method thereof. The rimless two-piece toilet stool comprises: a bowl part (11); a rim part (12); a support part (13); a side surface part (14); a stepped part (15); a discharge groove (17); a splash prevention part (18); an outlet (171); a washing water inlet (24); and a washing water conduit (25). According to the present invention, separate molding equipment, gluing, or trimming for rim production is not required, and thus it is possible to reduce defects. Productivity and yield are excellently improved.

Description

The rimless two-piece toilet and its manufacturing method TECHNICAL FIELD [Toilet stool of one piece type with rim and manufacturing method thereof]

The present invention relates to a rimless two-piece toilet and a manufacturing method thereof, and more particularly, a two-piece product in which a rim part and a body are integrally manufactured to be assembled with a water tank.In particular, the rim part and the body are integrated without separately manufacturing the rim part. It is molded into a rimless two-piece toilet and a method of manufacturing the same so that a separate bonding process is omitted.

In general, the toilet body is composed of a bowl that can discharge while receiving excrement and a support that supports the bowl, and the rim is formed along the upper edge of the bowl, and the upper surface has a flat structure so that the toilet cover can be seated. The inside has a substantially square tube shape provided with a water channel so that the washing water flows.

In this way, the rim and the body are separately manufactured and bonded to the existing toilet, and then assembled with the water tank again to be used. However, toilets with the structure as described above have to be manufactured using separate molds for the rim and the body.To manufacture the rim, the upper and lower molds are used.To manufacture the body, the upper, lower, and two side molds are used. Not only is it manufactured by using rim and body, but after applying the adhesive after moving the rim and the body to the workbench, the bonding and repairing of the bonding area must be performed separately, so the incidence of deformation and maintenance defects during the operation increases, making the process complex, increasing the production cost, and manufacturing time. There was a problem that took a lot of this.

As a background technology of the present invention, there is Patent Registration No. 1290733 "Integrated toilet with rim nozzle and stepped" (Patent Document 1). In the background art,'a bowl portion 10 having a concave shape, a rim portion 20 formed along an upper edge of the bowl portion 10, and a support portion coupled to and supporting the lower surface of the bowl portion 10 ( 30), and a side portion 40 that surrounds the outer side of the rim portion 20 and the support portion 30 and is coupled to form a space portion (s), and includes a side portion 40 that is integrally molded, wherein the bowl portion ( On the inner surface of 10), a stepped step 12 having a stepped shape along the inner surface is formed, and a rim nozzle 50 for spraying washing water onto the inner surface of the bowl part 10 is formed on one side of the upper side of the stepped part 12. The rim nozzle 50 is formed at the rear of the bowl part 10, and a first injection hole 52a for spraying the washing water in one direction along the traveling direction of the stepped 12 so as to spray the washing water in various directions. ), a second spray hole 52b for spraying washing water in other directions along the traveling direction of the stepped 12, and a third spray hole 52c and a third spraying hole 52c for spraying washing water downward of the stepped 12 We propose'an integrated toilet with a rim nozzle and stepped jaws, characterized in that a jet hole 52 constituted by a four jet hole 52d is formed, and the washing water is directly supplied through the rim nozzle and rotated in the bowl part. It is sprayed from one side to form a tornado, and because the washing water stays longer in the bowl part by the stepped jaws, the washing power of the integrated toilet is greatly improved.

However, the background technology has a problem in that the washing water splashes to the outside when spraying along the rim nozzle 50, and there is a problem that the washing water overflows to the outside of the toilet due to water pressure or rotational force when moving to the front part of the toilet along the stepped 12.

Patent Registration No. 1290733 "Integrated toilet with rim nozzle and stepped"

The present invention is to solve the above problems, and without the process of separately manufacturing and bonding the rim and the body, the rim and the body are integrally molded with only the lower mold, the upper mold, and the side mold. It is an object of the present invention to provide a rimless two-piece toilet and a method of manufacturing the same, which can reduce defect factors because there is no need for bonding or maintenance work, and improve productivity and improve yield.

The present invention includes a bowl portion having a concave shape; A rim portion formed along an upper edge of the bowl portion; A support part coupled to and supporting the lower surface of the bowl part; A side portion that surrounds the outer side of the rim portion and the support portion and is coupled to form a space portion; A stepped portion having an L-shaped stepped portion formed on an upper inner surface of the bowl portion; A discharge groove formed in a form in which a predetermined section is concave in the rear portion of the stepped portion; A splash prevention part formed to communicate with the discharge groove by partially cutting a lower part of the edge of the stepped part in contact with the lower part of the other side of the discharge groove; A discharge port which is perforated in one side wall of the discharge groove and formed so as to face a radial direction of the bowl part from one side of the discharge groove to the other side; A washing water inlet concave at the rear of the rim; A washing water pipe formed on one side of the rear of the bowl and configured to connect the washing water inlet and the discharge port to communicate with each other; a lower mold forming the lower surface of the bowl and the support, and the inner surface of the bowl, washing water inlet, and rim And an upper mold for forming a discharge groove, a side accessory mold that is detachably supported on the upper mold to form a splash prevention part, and a wing accessory mold that is formed on both sides of the rear from the bottom of the bowl and forms a washing water pipe on one side. , It is intended to provide a rimless two-piece toilet bowl, characterized in that it is integrally molded by a side-shaped mold for forming a side portion by being located at the bottom of the wing accessory mold on both sides between the upper mold and the lower mold.

In addition, it is intended to provide a rimless two-piece toilet bowl, characterized in that the cover member is configured to cover the top of the discharge groove from the discharge port before the splash prevention part, and the washing water discharged from the discharge port moves along the discharge groove inside the cover member. .

In addition, to provide a rimless two-piece toilet, characterized in that a stepped upper portion is formed at the discharge port and a cover member is mounted on the stepped jaw.

In addition, to provide a rimless two-piece toilet bowl, characterized in that a water tank connecting portion cover is configured to cover the upper portion of the washing water inlet, and a washing water through hole having a predetermined size is formed in the water tank connecting portion cover.

In addition, (a) a lower mold consisting of a lower convex portion having an upwardly convex groove formed in the center and a flange formed in a plate shape under the lower convex portion, and a beam convex downward in the center and facing the lower convex portion adjacent to the lower convex portion. The washing water inlet forming portion and the bowl forming portion and the washing water inlet forming portion are formed to be convex downward by a certain distance from the rear of the bowl forming portion and the bowl forming portion, and are formed to cover the entire upper portion in a plate shape. An upper mold made of an upper flange protruding from the connection portion with a stepped protrusion, a side accessory mold supported on one side of the bowl portion forming portion, and a cavity of a certain size between the lower flange and the upper flange. Side-shaped molds each configured on both sides of the lower flange and upper flange, and the rear portions of the side-shaped molds on both sides to be supported on the upper side of the side-shaped molds. A pair of wing accessory molds configured to form a forming portion; a coupling step of coupling each other; (b) an injection step of injecting a slip into a cavity formed between the lower mold, the upper mold, and the side mold; (c) allowing the slip to land on the surfaces of the lower mold and the side mold for a predetermined period of time; (d) forming a space by blowing air into the cavity and discharging the slip that has not been formed; (e) demolding the upper mold to the top; (f) demolding the side accessory mold; (g) a drilling step of drilling a discharge port in the wall surface of the discharge groove; (h) installing a demolding machine at the demolding site of the upper mold; (i) fixing the demoulding machine and rotating it 180 degrees to position the lower mold upward; (j) demolding the lower mold to the top; (k) demolding the lateral mold to both sides; (l) demolding the wing accessory mold; It is intended to provide a method for manufacturing a rimless two-piece toilet, comprising; (m) extracting by gravity while lowering the demolding machine supporting the molded article.

In addition, in step (a), it is intended to provide a method for manufacturing a rimless two-piece toilet, characterized in that the side accessory mold is attached to one side of the bowl part forming part so as to be detachable with a magnet.

In addition, in step (a), it is intended to provide a method for manufacturing a rimless two-piece toilet, characterized in that the wing-attached mold is attached to the upper side of the side mold so as to be detachable with a magnetic magnet.

In addition, after step (m), to provide a method for manufacturing a rimless two-piece toilet, characterized in that the cover member is attached to cover the upper portion of the discharge groove.

In addition, after step (m), to provide a method for manufacturing a rimless two-piece toilet, characterized in that the water tank connection part cover is attached to cover the upper part of the washing water inlet.

The rimless two-piece toilet of the present invention and its manufacturing method include molding equipment or bonding for manufacturing a separate rim by integrally forming the rim and the body with only the lower mold, the upper mold, and the side mold without the process of separately manufacturing and bonding the rim and the body. Since there is no need for work or maintenance work, it is possible to reduce defect factors, improve productivity and improve yield, and not only can mold the bowl part and the washing water inlet at the same time with only the upper mold, but also the washing water pipe easily by using a separate attached mold of a detachable type. And the splash prevention part, etc. can be molded, and the wash water is discharged in the radial direction of the bowl part without splashing outward by allowing the wash water to be discharged from the discharge groove that sprays the wash water through the splash prevention part, thereby effectively cleaning the inner surface of the bowl part. There is a very useful effect that allows you to do it.

The following drawings attached to the present specification illustrate preferred embodiments of the present invention, and serve to further understand the technical idea of the present invention together with the detailed description of the present invention, so the present invention is limited to the matters described in the accompanying drawings. It is limited and should not be interpreted.
1 is an exploded perspective view of a mold in a rimless two-piece toilet of the present invention.
Figure 2 is a front cross-sectional view of the rimless two-piece toilet of the present invention.
3 is a side cross-sectional view of FIG. 2.
Figure 4 is a perspective view of a rimless two-piece toilet of the present invention.
Figure 5 is a process chart showing in order the rimless two-piece toilet manufacturing method.

In the following, the present invention will be described in detail with reference to the embodiments shown in the accompanying drawings, but the presented embodiments are illustrative for a clear understanding of the present invention, and the present invention is not limited thereto.

Hereinafter, the technical configuration of the present invention will be described in detail according to a preferred embodiment.

1 is an exploded perspective view of a mold in a rimless two-piece toilet of the present invention, FIG. 2 is a front sectional view of a rimless two-piece toilet of the present invention, FIG. 3 is a side sectional view of FIG. 2, and FIG. 4 is a rim of the present invention. It is a perspective view of a two-piece toilet.

1 to 4, the rimless two-piece toilet 10 of the present invention includes a bowl portion 11 having a concave shape, a rim portion 12 formed along the upper edge of the bowl portion 11, The support part 13 coupled to the lower surface of the bowl part 11 to support it, the side part 14 which is combined while surrounding the outer side of the rim part 12 and the support part 13 to form a space part (s), and a beam The stepped portion 15 in which an L-shaped stepped step is formed on the upper inner surface of the wool portion 11, a discharge groove 17 formed in a form in which a predetermined section is concave in the rear portion of the stepped portion 15, and a discharge groove 17 ), the lower part of the edge of the stepped part 15 in contact with the lower side of the other side is partially cut and formed to communicate with the inside of the discharge groove 17, and a splash prevention part 18 formed to communicate with the inside of the discharge groove 17, and a perforation in one side wall of the discharge groove 17 And a discharge port 171 formed to face the radial direction of the bowl part 11 from one side of the discharge groove 17 to the other side, and a washing water inlet 24 configured to be concave at the rear of the rim part 12 , The bowl part 11 is formed on one side of the rear surface and comprises a washing water pipe 25 configured to connect the washing water inlet 24 and the discharge port 171 to communicate with each other.

At this time, the bowl part 11 and the rim part 12 are integrally molded by the lower mold 30, the upper mold 50 and the side mold 60, and a separate and detachable side mold (50a) and a wing are attached. The splash prevention part 18 and the washing water pipe 25 are formed by the molds 26 and 27.

The bowl part 11 has a concave shape so that excrement or dirt can be accommodated therein, and the lower surface may be connected to a drain pipe (not shown).

And the rim part 12 is formed horizontally along the upper rim of the bowl part 11 so that the toilet cover (not shown) can be seated. Although the toilet was joined to form a toilet, in the present invention, the bowl part 11 and the rim part 12 are integrally formed so that there is no separate closed water pipe unlike the conventional rim.

The support part 13 is configured on the lower surface of the bowl part 11, and may be formed in various shapes to support the bowl part 11, and such a support part 13 is roundly surrounded by the lower surface of the bowl part 11 It may be formed to have a shape to be supported in a state in which a space is formed in the center.

The side part 14 is coupled to surround the outside of the rim part 12 and the support part 13, and the upper end of the side part 14 is connected to the outside of the rim part 12 and the lower end is connected to the lower end of the support part 13 It is made to have.

The space portion (s) sealed by the side portion 14, the bowl portion 11, the rim portion 12, and the support portion 13 formed as described above is formed.

In particular, the stepped portion 15 is formed so that an L-shaped stepped stepped portion is formed on the upper inner surface of the bowl 11, and the stepped portion 15 includes the washing water discharged from the discharge groove 17. It acts as a guide to move when turning along the line.

In addition, the discharge groove 17 allows a certain area of the wall of the rim 12 on one side of the rear portion of the stepped portion 15 to be formed in the form of a concave groove, so that the washing water is discharged from one side of the discharge groove 17, and is discharged. The discharge port 171 is perforated toward the radial direction of the bowl part 11 in the side wall of the groove 17, so that the washing water sprayed through the discharge port 171 is formed inside the discharge groove 17 and the splash prevention part 18 ) To move along the stepped portion 15.

The discharge port 171 is perforated toward the radial direction of the bowl part 11, and the washing water passes through the discharge groove 17, the splash prevention part 18, and the stepped part 15 in order, and then rotated, and then the stepped part 15 It goes down to the bowl part 11 in the lower part of the.

Particularly, the lower part of the edge of the stepped part 15 in contact with the lower side of the discharge groove 17 is partially cut to form a splash prevention part 18 formed to communicate with the discharge groove 17, and the washing water is discharged. By moving along the stepped part 15 past the groove 17 and the splash prevention part 18, the washing water sprayed through the discharge port 171 moves along the discharge groove 17, and again, the splash prevention part 18 ), it moves to the stepped part 15, turns, and flows down the bowl part 11.

The washing water inlet 24 has a shape that is concave to the rear of the rim 12, and is connected to the water tank so that the washing water inside the water tank flows into the washing water inlet 24 and is discharged through the discharge port 171.

At this time, it is formed to have a certain thickness at one side of the rear side of the bowl 11 so as to communicate from the washing water inlet 24 to the discharge port 171, and connect the washing water inlet 24 and the discharge port 171 from the inside to communicate with the washing water pipe ( 25) can be formed.

The water tank connection cover 28 is configured to cover the upper portion of the washing water inlet 24, and the washing water through hole 281 of a predetermined size is formed in the water tank connection cover 28 to penetrate the washing water in the water tank. It is discharged through the washing water inlet 24 and the outlet 171 through the hole 281.

4B is a perspective view showing a state in which a cover member is attached in the rimless two-piece toilet of the present invention.

In such a discharge groove 17, as shown in FIG. 4B, a cover member 16 is configured to cover the upper portion of the discharge groove 17 from the discharge port 171 to before the splash prevention part 18, and in the discharge port 171 The discharged washing water moves from the inside of the cover member 16 along the discharge groove 17 and then rotates past the splash prevention part 18 and the stepped part 15 in order, and then the bowl part 11 under the stepped part 15 Go down to ).

The cover member 16 is made of the same material as the body made of the bowl part 11, etc., and is separately molded and attached to close the outside of the discharge port 171, thereby forming a conduit consisting of the discharge port 171 and the cover member 16. It is formed to act as a conduit through which washing water passes.

At this time, the cover member 16 is formed in a plate shape so that the lower end is attached by various known means such as adhesives while the lower end is seated on the upper portion of the discharge groove 17 so that from the discharge port 171 to the splash prevention unit 18 It can be made to form a pipeline.

In this way, since the washing water passing through the conduit made of the discharge port 171 and the cover member 16 is connected to the splash prevention unit 18 at the outer end of the cover member 16, the washing water passes through the splash prevention unit 18. Will go.

Figure 5 is a process chart showing in order the rimless two-piece toilet manufacturing method.

The rimless two-piece toilet 10 of the present invention includes a lower mold 30 for forming the lower surface of the bowl part 11 and the support part 13, the inner surface of the bowl part 11, the washing water inlet 24, and the rim part. (12) and an upper mold 50 for forming the discharge groove 17, a side attached mold 50a that is detachably supported on the upper mold 50 to form the splash prevention part 18, and a bowl part ( 11) are formed on both sides of the rear from the lower part of the blades 26 and 27, which form the washing water pipe 25 on one side, and the blades on both sides between the upper mold 50 and the lower mold 30, respectively. It is integrally molded by the side mold 60 which is located under the attached mold 26 and 27 and forms the side part 14.

Hereinafter, a method of manufacturing a rimless two-piece toilet according to the present embodiment will be described in detail with reference to the drawings.

First, as shown in FIG. 5A, the upper mold 50, the side accessory mold 50a, the side mold 60, and the wing accessory molds 26 and 27 are installed so as to be mutually coupled.

The lower mold 30 has a lower convex portion 31 that is convex upward at the center forming the lower surface of the bowl 11 and the support portion 13, and a lower flange that forms a lower surface where the support portion 13 and the side portion meet. It is made including (32).

The upper mold 50 is convex downward in the center and is convex downward by being spaced a certain distance from the rear surface of the bowl-forming part 51 and the bowl-forming part 51 facing adjacent to the lower convex part 31 The upper flange 52 is formed in a plate shape on the upper portion of the washing water inlet forming portion 54 and the bowl portion forming portion 51 and protrudes to the connection portion with the bowl portion forming portion 51 to form a stepped protruding portion 521. do.

Therefore, the bowl part 11 and the washing water inlet 24 can be simultaneously molded with only the upper mold 50, making it very easy to manufacture.

The side accessory mold (50a) may be formed separately from the upper mold (50), and may be supported on one side of the bowl part forming part (51) of the upper mold (50). It may be detachably attached to the forming part 51.

The lateral mold 60 is configured on both sides in a pair, so that the lower surface and the upper surface are in contact with the lower flange 32 and the upper flange 52, respectively, and a cavity (c), which is a space in which slip is injected by the overall mold. Is formed.

At this time, the upper surfaces of the side molds 60 on both sides are configured to be respectively configured on the rear side of the side molds 60 on both sides so that the wing accessory molds 26 and 27 are supported, respectively, and the wings configured in the side molds 60 on one side are respectively supported. The attached mold 26 is configured such that a portion of the inner side is concave to form a conduit forming part 261.

The wing-attached molds 26 and 27 may be formed separately from the side mold 60, and may be supported on the upper side of the side mold 60, in which case it is detached from the side mold 60 by using the magnetism of the magnet. It can be made to be attached as much as possible.

Thereafter, as shown in FIG. 5B, a slip is injected into the cavity (c) formed between the lower mold 30, the upper mold 50, and the side mold 60 (b), and the slip is applied to the lower mold 30 for a certain period of time. ) And the surface of the upper mold 50 and the lateral mold 60 (c), and air is blown into the cavity (c) to discharge the uninflated slip to form a space (s) (d) .

Slip is a fine powder suspension that can be cast by dissolving ceramic powder in a liquid such as water and making it flow. It is also expressed as soil or material prepared so that it can be used.

When injecting the slip into the cavity (c), it can be injected through a separate injection port (not shown) in communication with the cavity (c). It is trained to form a thickness on the surface of (60).

After a certain period of time after the slip is injected, the thickness of the skin begins to increase as the slip is stacked.The water contained in the slip is a porous material, especially, the side mold 60 and the upper mold 50 and the lower mold, which are mostly made of gypsum. (30) It is absorbed into the inside.

At this time, the upper mold 50, the lower mold 30 and the side mold 60 start to be absorbed from the moisture contained in the slip on the surface, and the raw material of the slip is the upper mold 50, the lower mold 30 and the side mold (60) It is fleshed on the surface, and the flesh is fleshed (preferably about 60 to 70 minutes) until the thickness of the fleshed raw material has approximately the same thickness as that of the appearance of the toilet (10).

Thereafter, air is blown into the cavity (c) to discharge the unfit slip to form the space part (s).

In this way, the formation of the space part (s) may allow air to be blown into the cavity (c) to remove the slip, while applying air pressure to the interior of the cavity (c) to maintain the shape of the slip material that has been grown to a certain thickness. .

Thereafter, as shown in Figs. 5C to 5H, the molds are sequentially demolded to demold the molded article.

First, as shown in FIG. 5C, the demoulding sequence is to be demolded by separating the upper mold 50 vertically from the top (e).

At this time, the side accessory mold (50a) may be installed in advance or may be detachably attached to the side of the upper mold (50) by various known methods such as magnets.

In particular, in the case of attaching and detaching the side accessory mold 50a to the upper mold 50 with a magnet (not shown), a magnet is attached to one side of the side accessory mold 50a, and the corresponding upper mold 50 has a magnet or It can be made detachable by configuring an iron plate or the like.

Then, as shown in FIG. 5D, the side accessory mold 50a is demolded (f).

The side accessory mold (50a) is to form the splash prevention part (18), and the splash prevention part (18) has a large size of a cross section of one side adjacent to the discharge groove (17) in order to facilitate the movement of the washing water, and a stepped part The size of the other cross-section in contact with (15) may be formed to be small.

Thereafter, after the side accessory mold 50a is demolded, the discharge port 171 perpendicular to the wall surface of the discharge groove 17 is drilled (g).

When the discharge port 171 is drilled, it is communicated through the washing water inlet 24 and the washing water pipe 25.

Thereafter, as shown in FIG. 5E, the demoulding machine 80 is installed at the demolding position of the upper mold 50 (h).

The demoulding machine 80 may be formed in various shapes to maintain the shape by supporting the rim.

After supporting the demoulding machine 80, it is rotated 180 degrees so that the lower mold 30 is rotated upward as shown in FIG. 5F (i), and the lower mold 30 is demolded upward (j).

Thereafter, as shown in FIGS. 5G and 5H, after demolding the side mold 60 to both sides (k), the wing attached molds 26 and 27 are demolded (l), and the demoulding machine 80 supporting the molded product. As it is lowered, it is extracted by gravity (m).

In the case of the wing attached mold (26) (27), when it is formed integrally with the side mold (60), it is caught in the toilet (10) and the mold is not demolded, so the side mold (60) and the wing attached mold (26)(27) ) Separately, first, the side mold 60 is demolded, and then the wing attached molds 26 and 27 are demolded.

In particular, a seat fastener 21, a water tank fastener, a fill valve passage, and the like are formed in the toilet as shown in FIG. 4 to facilitate installation of accessories. As shown in FIG. 4C, the cover member 16 ) Can be separately molded and attached to cover the upper portion of the discharge groove 17, and the water tank connection cover 28 can be attached.

The rimless two-piece toilet of the present invention and its manufacturing method as described above are formed to form a separate rim by integrally forming the rim part and the body with only the lower mold, the upper mold, and the side mold without the process of separately manufacturing and bonding the rim part and the body. There is no need for equipment, bonding, and maintenance, so it can reduce defect factors, improve productivity and improve yield, and it is possible to mold the bowl part and the washing water inlet at the same time with only the upper mold, and it is easy to use a separate attached mold of a detachable type. The washing water pipe and the splash prevention part can be molded in such a way that the washing water is discharged in the radial direction of the bowl without splashing outside by allowing the washing water to be discharged through the splash prevention part from the discharge groove that sprays the washing water. It has a very useful effect that allows you to wash the skin effectively.

Until now, the present invention has been described in detail with reference to the presented embodiments, but those of ordinary skill in the art can make various modifications and modifications without departing from the technical spirit of the present invention with reference to the presented embodiments. will be. The present invention is not limited by such modifications and modifications, but is limited by the claims appended below.

10: toilet
11: Bowl part
12: Limbu
13: support
14: side part
15: stepped part
16: cover member
17: discharge groove
18: splash prevention part
21: seat fastener
22: water tank fastener
23: fill valve passage
24: washing water inlet
28: water tank connection part cover
30: lower mold
50: upper mold
50a: Side attached mold
60: side mold
80: demoulding machine

Claims (9)

A bowl portion 11 having a concave shape;
A rim part 12 formed along the upper edge of the bowl part 11;
A support part 13 coupled to and supporting the lower surface of the bowl part 11;
A side portion 14 that surrounds the outside of the rim portion 12 and the support portion 13 and is coupled to form a space portion (s);
A stepped portion 15 having an L-shaped stepped portion formed on an upper inner surface of the bowl portion 11;
A discharge groove 17 formed in a form in which a predetermined section is concave in the rear portion of the stepped portion 15;
A splash prevention part 18 formed to communicate with the discharge groove 17 by partially cutting a lower part of the edge of the stepped part 15 in contact with the lower part of the other side of the discharge groove 17;
A discharge port 171 which is perforated in one side wall of the discharge groove 17 so as to face the radial direction of the bowl part 11 from one side of the discharge groove 17 to the other side;
A washing water inlet 24 that is concave at the rear of the rim 12;
Consisting of including; a washing water pipe 25 formed on one side of the rear of the bowl 11 and configured to connect the washing water inlet 24 and the discharge port 171 to communicate with each other,
A lower mold 30 for forming the lower surface of the bowl 11 and the support 13,
An upper mold 50 for forming the inner surface of the bowl 11, the washing water inlet 24, the rim 12 and the discharge groove 17,
A side-attached mold (50a) that is detachably supported on the upper mold (50) to form the splash prevention part (18),
Wing attached molds 26 and 27 each formed on both sides of the rear from the bottom of the bowl 11 and forming a washing water pipe 25 on one side,
Between the upper mold 50 and the lower mold 30, it is integrally formed by a side mold 60 that forms the side part 14 by being located under the wing accessory mold 26, 27 on both sides, respectively,
A rimless two-piece toilet bowl, characterized in that the wing-attached molds 26 and 27 are attached to the upper side of the side mold 60 so as to be detachable with a magnet. The method according to claim 1,
The cover member 16 is configured to cover the upper portion of the discharge groove 17 from the discharge port 171 to the water splash prevention part 18, so that the washing water discharged from the discharge port 171 is discharged from the inside of the cover member 16. Rimless two-piece toilet, characterized in that it moves along (17). The method according to claim 1,
A rimless two-piece toilet bowl, characterized in that a stepped 161 is formed on the discharge port 171 so that the cover member 16 is seated on the stepped 161. The method according to claim 1,
Rimless two-piece toilet, characterized in that a water tank connection cover 28 is configured to cover the upper portion of the washing water inlet 24, and a washing water through hole 281 having a predetermined size is formed in the water tank connection cover 28. In the method for manufacturing a rimless two-piece toilet according to any one of claims 1 to 4,
(a) a lower mold 30 comprising a lower convex portion 31 having an upwardly convex groove in the center and a flange 32 formed in a plate shape under the lower convex portion 31, and a lower mold 30 in the center. The bowl portion forming portion 51 and the bowl portion forming portion 51 that are convex and facing adjacent to the lower convex portion 31 and the washing water inlet forming portion 54 and the beam formed to be convex downward are spaced a certain distance from the rear surface of the bowl portion forming portion 51. The upper flange is configured to cover the entire upper portion in a plate shape on the upper portion of the wool portion forming portion 51 and the washing water inlet forming portion 54, and protruding from the connection portion with the bowl portion forming portion 51 to form a stepped protruding portion 521 ( 52) consisting of an upper mold 50, and a side accessory mold 50a supported on one side of the bowl portion forming portion 51,
Lateral molds 60 each configured on both sides of the lower flange 32 and the upper flange 52 so that a cavity (c) of a predetermined size is formed between the lower flange 32 and the upper flange 52,
Each of the rear portions of the lateral molds 60 on both sides is configured to be supported on the upper side of the lateral mold 60, and an inner side is concave on one side of the wing accessory mold 26 configured in the lateral mold 60 on one side to form a conduit ( 261) a pair of wing accessory molds 26 and 27 configured to be formed; a coupling step of coupling each other;
(b) an injection step of injecting a slip into the cavity (c) formed between the lower mold 30, the upper mold 50, and the side mold 60;
(c) allowing the slip to build up on the surfaces of the lower mold 30 and the side mold 60 for a certain period of time;
(d) forming a space (s) by blowing air into the cavity (c) and discharging the slip that has not been worn;
(e) demolding the upper mold 50 to the top;
(f) demolding the side accessory mold (50a);
(g) a drilling step of drilling the discharge port 171 on the wall surface of the discharge groove 17;
(h) installing the demoulding machine 80 at the demolding position of the upper mold 50;
(i) fixing the demoulding machine 80 and rotating 180 degrees to position the lower mold 30 upward;
(j) demolding the lower mold 30 to the top;
(k) demolding the lateral mold 60 to both sides;
(l) demolding the wing accessory mold (26) (27);
(m) extracting by gravity while lowering the demoulding machine 80 supporting the molded article; manufacturing method of a rimless two-piece toilet, comprising: a. The method of claim 5,
In step (a),
The side accessory mold (50a) is a method of manufacturing a rimless two-piece toilet, characterized in that it is attached to one side of the bowl portion forming portion (51) so as to be detachable with a magnet. delete The method of claim 5,
After step (m),
A method of manufacturing a rimless two-piece toilet, characterized in that a cover member (16) is attached to cover the upper portion of the discharge groove (17). The method of claim 5,
After step (m),
A method of manufacturing a rimless two-piece toilet, characterized in that a water tank connection part cover (28) is attached to cover the upper portion of the washing water inlet (24).

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