Three-piece toilet bowl structure

Abstract

The utility model belongs to the technical field of closestools, and particularly provides a three-piece closestool structure which comprises a shell part, an inner body part and a water ring part, and the shell part, the inner body part and the water ring part can be assembled and fired into an integrated closestool after being formed in advance in a casting mode. The shell component is used for forming most of the outer surface of the closestool and is provided with a containing space, an upper annular edge and a lower sewage draining opening. The inner body part is used for forming a blow-off pipeline and a pool cavity, is used for being placed in the containing space of the shell part, and can be embedded and positioned on the upper annular edge and the inner surface of the shell part through the positioning lip edge and the annular side edge respectively. The water ring component is used for forming a water ring part and is provided with a rear side positioning part and a front side positioning part which are respectively used for being abutted against and positioned on the rear side upper positioning wall of the inner body component, the upper annular edge of the shell component and the front side positioning wall of the inner body component. Therefore, the manufacturing flexibility and the firing integrated quality can be improved.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of toilet, and particularly relates to a three-piece toilet structure. BACKGROUND

[0002] At present, the toilets on the market are roughly divided into exposed pipeline type toilets and large package type toilets. The exposed pipeline type toilet refers to a toilet with a protruding shape formed on the outer surface relative to the internal sewage pipeline. Such a structure design has the advantages of simple structure, easy grouting and pouring forming, and easy installation and disassembly, but the appearance is not attractive, and the protruding part is easy to hide dirt and is not easy to clean. The large package type toilet does not have the protruding shape on the outer surface, so it is good in appearance and easy to clean, but it is not easy to grout and pour, and the installation hole of the toilet is hidden inside, so it is not easy to install, disassemble and maintain.

[0003] As the toilet models and structural functions on the market are increasingly diversified, for example, the toilet water ring includes traditional siphon type water ring, direct flushing type water ring, vortex type water ring, jet type water ring, double flushing type water ring, etc. If the structure and appearance are added, the types are numerous. Each type of toilet needs to be grouted and poured with a specific mold, which not only has a high cost of mold production and development, but also needs a large space to store the mold, and cannot shorten the production and manufacturing time, so the manufacturing efficiency is low.

[0004] US Patent No. US 7,263,758 B2 discloses a system and method for pouring a toilet, which proposes a concept of combining a toilet. Three elements are poured in advance, and then assembled and fired to form an integrated toilet. The elements include a shell, a core and a rim. The shell is mainly used to form the outer surface of the toilet. The core is assembled inside the shell to form the main waterway. The rim is assembled above the shell to close the core inside the shell. It can be understood that each element can have different styles, such as color, shape or pattern, so that the elements can be customized and assembled according to the preferences of consumers to form an integrated toilet that meets the preferences of consumers.

[0005] However, the above-mentioned invention patent is only applicable to wall-mounted toilets, and is not applicable to floor-standing or floor-mounted toilets, because there are still obvious differences in structure and function design between the two, especially in terms of water inlet, water outlet, sewage structure and orientation. If it is used for floor-standing toilets, the structure must be redesigned. Secondly, the accuracy of assembly positioning and the firmness when bearing the weight of the user must also be considered. The wall-mounted toilet absorbs the weight of the wall, and the floor-standing toilet absorbs the weight of the floor or ground, so the structure design of the assembly positioning will also be affected, and the above-mentioned assembly structure cannot be simply converted or integrally applied. Utility model content

[0006] The present application aims to provide a three-piece toilet structure which can not only improve the flexibility and variability of production, but also ensure the quality of firing integration.

[0007] To achieve the above-mentioned purpose, the technical scheme adopted by the present application is as follows: a three-piece toilet structure has an outer surface, a sewage pipeline, a pool cavity and a water ring part, and the three-piece toilet structure comprises a shell component, an inner body component and a water ring component. The shell component, the inner body component and the water ring component can be pre-molded and then assembled with each other, and then fired into an integrated three-piece toilet structure. Wherein:

[0008] The shell component is used to form the outer surface of most of the three-piece toilet structure. The shell component has an accommodation space formed inside. An inlet is formed above the accommodation space, and an upper ring around the inlet is formed. A bottom wall is formed below the accommodation space, and a lower sewage outlet is formed on the bottom wall.

[0009] The inner body component can be placed into the accommodation space from the inlet and is used to form the sewage pipeline and the pool cavity. A positioning lip is formed on the outer periphery of the rear side of the top end of the inner body component and is used to be embedded and clamped on the upper ring. An annular side edge is formed on the outer periphery of the front side of the top end of the inner body component and can be used to abut against the opposite part of the inner surface of the accommodation space. An upper rear positioning wall is formed above the positioning lip. The annular side edge is connected to a front upper positioning wall. A sewage connector is formed on the bottom end of the inner body component and can be embedded and clamped on the lower sewage outlet. An upper sewage outlet is provided on the sewage connector and is connected to the lower sewage outlet.

[0010] The water ring component is used to form the water ring part. A rear positioning part and a front positioning part are respectively formed on the rear side and the front side of the lower surface of the water ring component. The rear positioning part is used to abut against the rear upper positioning wall, and the front positioning part is used to abut against the upper ring and abut against the front upper positioning wall at the same time.

[0011] Further, the outer part of the shell component has a saddle on each of the left and right sides of the bottom end, and an installation hole is formed on each of the saddles.

[0012] Further, the shell component comprises a wide slot on the front side and a narrow slot on the rear side connected to the wide slot. The wide slot and the narrow slot together form the accommodation space. The wide slot is used to accommodate the front side of the inner body component for forming the pool cavity, and the narrow slot is used to accommodate the rear side of the inner body component for forming the sewage pipeline. The upper ring of the shell component has a recess on each of the two sides of the wide slot and the narrow slot. The annular side edge of the positioning lip has a convex part on each of the two sides near the front side, which can be embedded and clamped in the recess from top to bottom.

[0013] Further, the positioning lip is in the shape of a stepped ring groove, and the positioning lip has a bottom wall surface and a first lateral wall surface; the bottom wall surface is used to abut against the upper ring edge, thereby forming a complete outer surface; the first lateral wall surface is used to abut against the opposite part of the inner surface of the shell part.

[0014] Further, the positioning lip is in the shape of a stepped ring groove, and the positioning lip has a bottom wall surface and a first lateral wall surface; the bottom wall surface is used to abut against the upper ring edge, thereby forming a complete outer surface; the first lateral wall surface is used to abut against the opposite part of the inner surface of the shell part.

[0015] Further, the rear positioning part has two wing parts respectively connected to the two side edges of the rear positioning part.

[0016] Further, the front positioning part has a flow guide platform connected to the inner side of the front positioning part, and the flow guide platform and the water ring part form a flow guide channel.

[0017] Further, the rear positioning part has two wing parts respectively connected to the two side edges of the rear positioning part.

[0018] Further, the rear positioning part has two upper inclined surfaces respectively formed on the two side edges of the rear positioning part adjacent to the front positioning part; and the rear upper positioning wall has two lower inclined surfaces respectively formed on the two side edges of the rear upper positioning wall adjacent to the front upper positioning wall, and the two upper inclined surfaces are used to abut against the two lower inclined surfaces.

[0019] Further, the front positioning part has a flow guide platform connected to the inner side of the front positioning part, and the flow guide platform and the water ring part form a flow guide channel.

[0020] Further, the water ring part is provided with a water inlet in the rear positioning part, and the water inlet is connected to the water inlet channel.

[0021] Compared with the prior art, the three-piece toilet structure provided by the present application has the beneficial effects that: the three-piece toilet structure of the present application can be assembled and positioned by the shell part, the inner body part and the water ring part, and then fired into an integrated three-piece toilet structure, so that it can be customized according to the preferences of consumers, thereby effectively improving the flexibility and variability of toilet manufacturing. Since the shell part, the inner body part and the water ring part are all designed with multiple assembly positioning points, the convenience, accuracy and firmness of assembly can be ensured, so that after overall assembly, positioning and firing, an integrated toilet structure with stable and excellent quality can be made. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description only some of the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor based on these drawings.

[0023] Figure 1 The three-piece toilet structure provided by the embodiments of the present application is shown in the perspective view;

[0024] Figure 2 The three-piece toilet structure provided by the embodiments of the present application is shown in the perspective exploded view;

[0025] Figure 3 The three-piece toilet structure provided by the embodiments of the present application is shown in the longitudinal sectional exploded view;

[0026] Figure 4 The three-piece toilet structure provided by the embodiments of the present application is shown in the longitudinal sectional view;

[0027] Figure 5 The shell part of the three-piece toilet structure provided by the embodiments of the present application is shown in the perspective view;

[0028] Figure 6 The inner body part of the three-piece toilet structure provided by the embodiments of the present application is shown in the perspective view;

[0029] Figure 7 The water ring part of the three-piece toilet structure provided by the embodiments of the present application is shown in the perspective view;

[0030] Figure 8 The three-piece toilet structure provided by the embodiments of the present application is shown in the perspective view; Figure 4 The partial enlarged view of the circled part A is shown in the perspective view;

[0031] Figure 9 The three-piece toilet structure provided by the embodiments of the present application is shown in the perspective view; Figure 4 The partial enlarged view of the circled part B is shown in the perspective view.

[0032] In the drawings, various reference signs represent:

[0033] 1, three-piece toilet structure; 101, outer surface; 102, sewage pipeline; 103, pool cavity; 104, water ring part; 105, water inlet channel; 106, flow guide channel; 107, lower flushing flow channel; 108, front jet port;

[0034] 10, shell part; 11, containing space; 11a, wide slot; 11b, narrow slot; 111, inner surface; 12, setting inlet; 13, upper annular rim; 131, recess; 14, bottom wall; 15, lower sewage outlet; 16, saddle part; 161, mounting hole;

[0035] 20, inner body part; 21, positioning lip; 211, protrusion; 212, bottom wall surface; 213, first lateral wall surface; 214, abutting portion; 22, annular side edge; 23, rear upper positioning wall; 231, lower inclined surface; 240, longitudinal wall; 24, front upper positioning wall; 25, drain joint; 251, upper drain opening; 26, recess; 27, flow guide platform;

[0036] 30, water ring part; 31, rear positioning portion; 311, upper inclined surface; 32, front positioning portion; 321, outer bottom wall surface; 322, second lateral wall surface; 323, inner bottom wall surface; 33, wing portion; 34, water inlet. DETAILED DESCRIPTION

[0037] Embodiments of the present application are described below in detail, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary, and are intended to explain the present application, and cannot be understood as a limitation of the present application.

[0038] In the description of the present application, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0039] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly specified and limited.

[0040] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, can be fixedly connected, or can be detachably connected, or can be integrated; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0041] Please refer to Figures 1 to 4The three-piece toilet structure 1 has an outer surface 101, a sewage pipe 102, a pool cavity 103, and a water ring part 104. The three-piece toilet structure 1 comprises a shell part 10, an inner body part 20, and a water ring part 30. The shell part 10, the inner body part 20, and the water ring part 30 are separately pre-molded and then assembled and fired to form the three-piece toilet structure 1.

[0042] The shell part 10, as shown in Figure 3 and Figure 5 , forms the outer surface 101 of the three-piece toilet structure 1. The shell part 10 has a receiving space 11 formed inside. An inlet 12 is formed on the top of the receiving space 11. An upper ring 13 is formed around the inlet 12. A bottom wall 14 is formed on the bottom of the receiving space 11. A lower sewage outlet 15 is formed on the bottom wall 14.

[0043] The inner body part 20, as shown in Figure 3 , Figure 4 and Figure 9 , is inserted into the receiving space 11 through the inlet 12 of the shell part 10. The inner body part 20 forms the sewage pipe 102 and the pool cavity 103 of the three-piece toilet structure 1. A positioning lip 21 is formed on the top of the inner body part 20. The positioning lip 21 is inserted into the upper ring 13 of the shell part 10. An annular side 22 is formed on the front of the inner body part 20. The annular side 22 is inserted into the inner surface 111 of the receiving space 11 of the shell part 10. A rear upper positioning wall 23 is formed on the positioning lip 21. The annular side 22 is connected to a front upper positioning wall 24. A sewage connector 25 is formed on the bottom of the inner body part 20. The sewage connector 25 is inserted into the lower sewage outlet 15. An upper sewage outlet 251 is formed on the sewage connector 25.

[0044] It should be noted that the "front side" refers to the side close to the user when the three-piece toilet structure 1 is in use. The side away from the user is defined as the "rear side". In the following description, the left and right sides relative to the user are defined as "sides" or "two sides".

[0045] The water ring part 30, as shown in Figure 3 and Figure 7 , is inserted into the receiving space 11 of the shell part 10.As shown, the water circle part 104 of the three-piece toilet structure 1 is mainly used to form a lower surface rear side and a front side, respectively, with a rear side positioning part 31 and a front side positioning part 32, the rear side positioning part 31 is used to abut the positioning wall 23 positioned on the rear side of the inner body part 20, and the front side positioning part 32 is used to abut the upper ring 13 positioned above the shell part 10, and abut the positioning wall 24 positioned on the front side of the inner body part 20.

[0046] In this embodiment, in combination with Figure 1 and Figure 5 As shown, the outer part of the shell part 10 is formed with a saddle part 16 on the left and right sides of the bottom end, and each of the saddle parts 16 is formed with a mounting hole 161. As known, generally, before installing the three-piece toilet structure 1 on the floor, a flange is first installed and fixed, and fasteners such as bolts are assembled on the flange, so that the bolts can pass upward through the mounting holes 161, and nuts are screwed onto the bolts, so that the shell part 10 can be easily installed and locked on the floor.

[0047] In this embodiment, as shown in Figure 5 The shell part 10 includes a wide slot 11a on the front side and a narrow slot 11b on the rear side communicating with the wide slot 11a, the wide slot 11a and the narrow slot 11b together form the accommodation space 11, and the wide slot 11a is mainly used to accommodate the front side part of the inner body part 20 for forming the pool cavity 103, and the narrow slot 11b is mainly used to accommodate the rear side part of the inner body part 20 for forming the sewage pipeline 102; the upper ring 13 of the shell part 10 is formed with a recess 131 at the intersection of the wide slot 11a and the narrow slot 11b, as shown in Figure 2 The positioning lip 21 of the inner body part 20 is formed with a convex part 211 on each side near the annular side edge 22 on the front side, which can be respectively embedded and positioned in the recess 131 from top to bottom. The structure design of the recess 131 and the convex part 211 can help fast and accurate positioning on one hand, and can increase the firmness of assembly on the other hand, especially can avoid horizontal sliding displacement during the process from assembly to firing completion, to ensure the quality of subsequent integration.

[0048] In this embodiment, in combination with Figure 3 , Figure 4 and Figure 8As shown, the positioning lip 21 of the inner body component 20 is in the shape of a stepped annular groove, and has a bottom wall surface 212 and a first lateral wall surface 213. The bottom wall surface 212 is used to abut and align with the upper annular edge 13 of the outer shell component 10, thereby forming a complete outer surface 101. The first lateral wall surface 213 is used to abut against the corresponding portion of the inner surface 111 of the outer shell component 10. The positioning lip 21 design can help the inner body component 20 and the outer shell component 10 to be accurately and reliably assembled together, which is beneficial to subsequent firing and integration.

[0049] In this embodiment, as Figure 2 , 6 As shown, the positioning lip 21 of the inner body component 20 has a locking portion 214 formed at each of its two ends connected to the annular side edge 22, which can be used to abut and position against the corresponding portion of the recess 131 of the outer shell component 10. The design of the locking portion 214 can also help the inner body component 20 and the outer shell component 10 to be assembled quickly, accurately and reliably, especially to prevent horizontal sliding displacement, which is beneficial to subsequent firing and integration.

[0050] In this embodiment, as Figure 4 , 6 As shown, the upper positioning wall 23 on the rear side of the inner body component 20 is formed by the top edge of a longitudinal wall 240, and a groove 26 is formed inside the longitudinal wall 240, which can form a water inlet channel 105 together with the water ring component 30.

[0051] In this embodiment, as Figure 3 , 4 As shown, a flow guide platform 27 is connected to the inner side of the upper positioning wall 24 on the front side of the inner body component 20, which can form a flow guide channel 106 together with the water ring component 30.

[0052] In this embodiment, as Figure 2 , 7 As shown, the rear positioning part 31 of the water ring component 30 is connected to a wing 33 on each of its two sides. It can be understood that the wing 33 can not only provide a concealing and aesthetic effect, but also serve to install and fix a toilet seat.

[0053] In this embodiment, as Figure 2 , 3As shown, the two side edges of the rear positioning portion 31 of the water ring component 30 are each formed with an upper inclined surface 311 adjacent to the front positioning portion 32; the two side edges of the rear upper positioning wall 23 of the inner body component 20 are each formed with a lower inclined surface 231 adjacent to the front upper positioning wall 24, which can be respectively used for abutting positioning of the upper inclined surface 311. By using the abutting positioning design of the upper inclined surface 311 and the lower inclined surface 231, the water ring component 30 and the inner body component 20 can be quickly, accurately and firmly assembled together, and in particular, horizontal sliding displacement can be prevented, which is beneficial for subsequent firing and integration.

[0054] In the present embodiment, the water ring component 30 and the inner body component 20 are combined Figure 4 and Figure 9 As shown, the front positioning portion 32 of the water ring component 30 is in the form of a stepped ring groove, and has an outer bottom wall surface 321, a second lateral wall surface 322 and an inner bottom wall surface 323; the outer bottom wall surface 321 is used for abutting alignment with the upper annular rim 13 of the shell component 10, so as to form a complete outer surface 101; the second lateral wall surface 322 is used for abutting the opposite part of the inner surface 111 of the shell component 10; and the inner bottom wall surface 323 is used for abutting the front upper positioning wall 24 of the inner body component 20. Through the structural design of the outer bottom wall surface 321, the second lateral wall surface 322 and the inner bottom wall surface 323 of the water ring component 30, the accuracy and firmness of the assembly and positioning of the front side of the water ring component 30 with the shell component 10 and the inner body component 20 can be ensured, and a multi-corner sealing combination structure can be formed, so that after sintering and integration, good water tightness can be achieved, and water flow in the flow guide channel 106 can be prevented from leaking.

[0055] In the present embodiment, the water ring component 30 is provided with a water inlet 34 in the rear positioning portion 31, which is connected to the water inlet channel 105. It can be understood that the water inlet 34 can be used for water flow in the water tank to enter the water inlet channel 105; wherein the inner body component 20 of the present embodiment is further formed with a lower flushing flow channel 107 connected to the water inlet channel 105, as shown in Figure 3 、 4 As shown, the other end of the lower flushing flow channel 107 is formed with a front injection port 108 aligned with the bottom of the pool cavity 103 and the inlet of the sewage pipeline 102, so that the water flow entering the water inlet channel 105 can be divided into the flow guide channel 106 and the lower flushing flow channel 107, and flushing action can be respectively generated on the pool cavity 103.

[0056] It is worth noting that the water ring component 30 and the inner body component 20 described above include but are not limited to the water flow channels described above, and any other common water flow channel layout, type and form can be applied in the present application.

[0057] From the above, the three-piece toilet structure 1 of the present application has the following characteristics and advantages:

[0058] First, the inner body part 20 can be quickly, accurately and securely assembled and positioned in the outer shell part 10, so that good firing and integration effects can be achieved. Furthermore, the inner body part 20 and the outer shell part 10 have multiple positioning points therebetween, including the positioning lip 21 at the rear side of the inner body part 20 and the upper ring 13 at the rear side of the outer shell part 10, the convex part 211 of the positioning lip 21 at the rear side of the inner body part 20 and the concave part 131 of the outer shell part 10, and the annular side edge 22 at the front side of the inner body part 20 and the inner surface 111 at the front side of the outer shell part 10. With the above-mentioned multiple positioning points, the accuracy, strength and firmness of the positioning can be ensured, and horizontal sliding displacement in all directions can be effectively prevented.

[0059] Second, the annular side edge 22 at the front side of the inner body part 20 is positioned on the inner surface 111 of the outer shell part 10, so that only the junction between the rim part 30 and the outer shell part 10 at the front side of the three-piece toilet structure 1 can be further ensured to have a beautiful appearance and the aforementioned water sealing property.

[0060] Third, the positioning lip 21 at the rear side of the inner body part 20 directly abuts against the rear side of the outer shell part 10, so that the sewage joint 25 at the bottom end of the inner body part 20, which is biased towards the rear side, can be more easily aligned and embedded and positioned in the lower sewage outlet 15 at the rear side of the outer shell part 10, which is beneficial to the quick and accurate assembly and positioning of the two parts and avoids assembly skewing and biasing.

[0061] Fourth, the rim part 30 can be quickly, accurately and securely assembled and positioned above the inner body part 20 and the outer shell part 10, so that good firing and integration effects can be achieved. Furthermore, the rim part 30, the inner body part 20 and the outer shell part 10 have multiple positioning points therebetween, including the rear side positioning part 31 of the rim part 30 and the upper positioning wall 23 at the rear side of the inner body part 20, the upper inclined surface 311 of the rear side positioning part 31 of the rim part 30 and the lower inclined surface 231 of the upper positioning wall 23 at the rear side of the inner body part 20, the front side positioning part 32 of the rim part 30 and the upper ring 13 at the front side of the outer shell part 10, and the front side positioning part 32 of the rim part 30 and the front side upper positioning wall 24 of the inner body part 20. With the above-mentioned multiple positioning points, the accuracy, strength and firmness of the positioning can be ensured, and horizontal sliding displacement in all directions can be effectively prevented.

[0062] Fifth, since the inner body part 20 is hidden inside the outer shell part 10, its outer surface forms uneven parts that are easy to accumulate dirt and difficult to clean, especially the protruding parts relative to the outer surface of the drain pipe 102. In contrast, the outer surface 101 of the outer shell part 10, especially the outer surface relative to the narrow slot 11b, is designed to be streamlined and smooth, thus effectively solving the problem of dirt accumulation and cleaning difficulty, making it easy to clean and maintain.

[0063] It should be noted that the above only describes the preferred embodiments of the present application and is not intended to limit the present application. Any modifications, equivalent replacements and improvements made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A three-piece toilet construction, characterized in that The three-piece toilet structure has an outer surface, a sewage pipe, a pool cavity and a water ring part, and comprises a shell part, an inner body part and a water ring part, which can be pre-molded and assembled to form an integrated three-piece toilet structure; The shell part forms most of the outer surface of the three-piece toilet structure, and has an accommodation space formed inside, an inlet formed above the accommodation space, an upper ring formed around the inlet, a bottom wall formed below the accommodation space, and a lower sewage outlet formed on the bottom wall; The inner body part can be placed into the accommodation space through the inlet to form the sewage pipe and the pool cavity, and has a positioning lip formed on the outer periphery of the top rear side to be clamped and positioned on the upper ring, a ring-shaped side edge formed on the outer periphery of the top front side to be positioned on the opposite part of the inner surface of the accommodation space, a rear upper positioning wall formed above the positioning lip, and a front upper positioning wall connected to the ring-shaped side edge, and has a sewage connector formed on the bottom end to be clamped and positioned on the lower sewage outlet, and an upper sewage outlet formed on the sewage connector to be connected to the lower sewage outlet; The water ring part forms the water ring part, and has a rear positioning part and a front positioning part formed on the lower surface of the rear side and the front side, respectively, the rear positioning part is used to abut and position on the rear upper positioning wall, and the front positioning part is used to abut and position on the upper ring and the front upper positioning wall.

2. The three-piece toilet configuration of claim 1, wherein: The outer part of the shell part has a saddle part formed on the left and right sides of the bottom end, and each saddle part has a mounting hole formed thereon.

3. The three-piece toilet configuration of claim 1, wherein: The shell part includes a wide slot on the front side and a narrow slot on the rear side connected to the wide slot, the wide slot and the narrow slot together form the accommodation space, the wide slot is used to accommodate the front side of the inner body part to form the pool cavity, and the narrow slot is used to accommodate the rear side of the inner body part to form the sewage pipe; the upper ring of the shell part has a recess formed on each side of the intersection of the wide slot and the narrow slot; the positioning lip has a protrusion formed on each side near the ring-shaped side edge, which can be clamped and positioned in the recess from top to bottom.

4. The three-piece toilet configuration of claim 1, wherein: The positioning lip is a stepped ring groove, and has a bottom wall and a first lateral wall; the bottom wall is used to abut and align with the upper ring to form a complete outer surface; and the first lateral wall is used to abut the opposite part of the inner surface of the shell part.

5. The three-piece toilet configuration of claim 3, wherein: The positioning lip has a clamping part formed on each end connected to the ring-shaped side edge, which can be used to abut and position on the opposite part of the recess.

6. The three-piece toilet configuration of claim 1, wherein: The rear upper positioning wall is formed by a top edge of a longitudinal wall, and a groove is formed inside the longitudinal wall to jointly form a water inlet channel with the water ring component.

7. The three-piece toilet construction of claim 1, wherein: A flow guide platform is connected to the inner side of the front upper positioning wall to jointly form a flow guide channel with the water ring component.

8. The three-piece toilet configuration of claim 1, wherein: Two wing portions are respectively connected to the two side edges of the rear positioning portion.

9. The three-piece toilet construction of claim 1, wherein: Two upper inclined surfaces are respectively formed on the two side edges of the rear positioning portion adjacent to the front positioning portion, and two lower inclined surfaces are respectively formed on the two side edges of the rear upper positioning wall adjacent to the front upper positioning wall, so as to be respectively positioned by the upper inclined surfaces.

10. The three-piece toilet configuration of claim 1, wherein: The front positioning portion is in the shape of a stepped ring groove, and has an outer bottom wall surface, a second lateral wall surface and an inner bottom wall surface; the outer bottom wall surface is used to abut against the upper ring edge to form a complete outer surface; The second lateral wall surface is used to abut against the inner surface of the shell component; and the inner bottom wall surface is used to abut against the front upper positioning wall.

11. The three-piece toilet configuration of claim 6, wherein: The water ring component is provided with a water inlet in the rear positioning portion to communicate with the water inlet channel.

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