Direct flush toilet system
By designing the crank and rail transmission components and the height-adjusting part, the installation problem of the direct-flush toilet in space-constrained scenarios is solved, enabling small-angle operation and height adjustment. It is suitable for small spaces such as RVs and yachts, and the system is lightweight.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- QINGDAO CHUANGHUI IND CO LTD
- Filing Date
- 2025-08-22
- Publication Date
- 2026-07-21
AI Technical Summary
Existing direct-flush toilets are difficult to install and use effectively in spaces with limited capacity, especially in environments with limited space such as RVs or yachts. Furthermore, the traditional design requires a foot pedal with a large rotation angle, which is inconvenient.
It adopts a crank and rail transmission assembly, and the valve plate is tilted by rotating it at a small angle with a foot pedal. Combined with the height adjustment unit, the height can be adjusted. The lightweight plastic components are designed to meet the needs of multiple scenarios.
It enables convenient sewage discharge in limited spaces, reduces the need for foot pedal rotation angle, adapts to various installation scenarios, especially the confined spaces of RVs and yachts, and the system is lightweight and easy to transport.
Smart Images
Figure CN224531837U_ABST
Abstract
Description
Technical Field
[0001] This application belongs to the field of sanitary ware, and in particular relates to a direct-discharge toilet system. Background Technology
[0002] Currently, portable flush toilets are mainly installed on RVs or other mobile vehicles, and their structure is mainly divided into two types: direct flush and storage type. The commonly used direct flush toilet includes a bowl, base, and foot pedal. Utility Model Content
[0003] This application provides a direct-flush toilet system, comprising:
[0004] The seat is designed to be in contact with the user, and a drain outlet is provided at the bottom of the seat.
[0005] A base, located below the seat pool, supports the seat pool; the base has a mounting section.
[0006] A valve structure is located in a base; the valve structure includes a valve plate, a rotating shaft, and a support portion connecting the valve plate and the rotating shaft; the valve plate is adjacent to a drain port; the rotating shaft is rotatably mounted on a mounting portion, allowing the valve plate to tilt; the valve structure is configured such that: during draining, the rotating shaft rotates, causing the valve plate to tilt and open the drain port; when not draining, the rotating shaft does not rotate, and the valve plate blocks the drain port; and...
[0007] The foot pedal, connected to the valve structure, can drive the valve structure to rotate.
[0008] In one embodiment, the direct-flush toilet system further includes a crank, the first end of which is movably connected to a valve structure, and the second end of which is connected to a foot pedal; the rotation of the foot pedal drives the crank and the valve structure to move.
[0009] In one embodiment, the valve structure is provided with a track, and the first end of the crank is provided with an extension located in the track, which can slide along the track.
[0010] In one embodiment, the track is an obliquely arranged elongated hole; the free end of the extension is provided with an enlarged portion to restrict the extension to slide along the elongated hole.
[0011] In one embodiment, the valve plate is configured to be located approximately within a sphere, and the extension direction of the track generally coincides with the diameter direction of the sphere.
[0012] In one embodiment, the top of the valve plate is generally flat and can contact the drain outlet; the side of the valve plate extending outward from the flat surface is a partially spherical surface; the extension direction of the track generally coincides with the diameter direction of the sphere on which the spherical surface is located.
[0013] In one embodiment, the rotating shaft has a first part connected to the support and a second part away from the support; a recess is formed between the first part and the second part; the mounting part has a hollow receiving cavity and a notch; the receiving cavity is used to receive the second part of the rotating shaft, and the notch is adjacent to or in contact with the recess, so that the mounting part serves as a support point for the rotation of the valve structure.
[0014] In one embodiment, a mating structure is provided between the second end of the crank and the pedal, the mating structure including a protrusion and a recess that are inserted into each other, one of which is provided at the second end of the crank and the other is provided on the pedal.
[0015] In one embodiment, a raised portion is provided below the base, and a recess and a protrusion that cooperate with each other are provided between the top of the raised portion and the bottom of the base; the raised portion is a hollow blow-molded part.
[0016] In one embodiment, a first sewage chamber is formed in the middle of the base, and a second sewage chamber is formed in the middle of the raised portion; the drain outlet, the first sewage chamber, and the second sewage chamber are sequentially connected and sealed with sealing rings between them. The valve structure, crank, and mounting portion are all located in the first sewage chamber.
[0017] In one embodiment, the seat, base, valve structure, crank, foot pedal, and heightening section are all made of plastic.
[0018] The direct-flow toilet system provided in at least one embodiment of this application, through the arrangement of cranks and rails, can at least reduce the rotation angle of the foot pedal, providing support for the compact design of the direct-flow toilet system; it is particularly suitable for RVs, yachts, or other spaces where the installation space for the toilet is very limited due to the presence of other components.
[0019] The direct-flush toilet system provided in at least one embodiment of this application can be raised or lowered as needed by setting up an extension part to meet the needs of multiple scenarios. Attached Figure Description
[0020] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments of this application and are used to explain this application, but do not constitute an undue limitation of this application. In the drawings:
[0021] Figure 1 A schematic diagram of one embodiment of a direct-flush toilet system;
[0022] Figure 2 A cross-sectional view of a direct-flush toilet system;
[0023] Figure 3 This is a schematic diagram of the base;
[0024] Figure 4 This is a schematic diagram of the transmission assembly;
[0025] Figure 5 This is an exploded view of the transmission assembly;
[0026] Figure 6 This is a schematic diagram of the valve structure;
[0027] Figure 7 This is a schematic diagram of a crank.
[0028] Figure 8 This is a schematic diagram of the height-increasing section;
[0029] In the diagram: 1. Pool, 11. Sewage outlet; 2. Base, 21. Mounting part, 211. Receiving cavity, 212. Notch, 22. Through hole, 23. First sewage chamber; 3. Valve structure, 31. Valve plate, 311. Plane, 312. Spherical surface, 32. Support part, 33. Rotating shaft, 331. First part, 332. Second part, 333. Recessed part, 34. Track; 4. Crank, 41. Extension, 42. Enlargement part; 5. Foot pedal, 51. Rotating body, 52. Extension; 61. Protrusion, 62. Recessed part; 7. Heightening part, 71. Mounting hole, 72. Protrusion, 73. Second sewage chamber. Detailed Implementation
[0030] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.
[0031] In the description of this application, it should be understood that the terms "center", "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.
[0032] The terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first," "second," or "third" may explicitly or implicitly include one or more of that feature.
[0033] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.
[0034] like Figure 1-8 As shown, one embodiment of this application provides a direct-flush toilet system, including a bowl 1 and a base 2, the base 2 being located below the bowl 1 for supporting the bowl 1. In this application, "upper" and "lower" are both relative to... Figure 1 In other words, it refers to the installation direction when the direct-flush toilet system is working normally.
[0035] The seat 1 is configured to come into contact with the user, who can sit on it. A drain outlet 11 is provided at the bottom of the seat 1 for wastewater to be discharged downwards.
[0036] like Figure 1-6 As shown, the base 2 is provided with a valve structure 3. The upper part of the valve structure 3 has a valve plate 31, which is adjacent to the drain port 11 via a sealing ring 8; that is, a sealing ring is provided between the drain port 11 and the valve plate 31. When sewage is discharged, the valve plate 31 tilts, causing the drain port 11 to be at least partially opened. When sewage is not required to be discharged, the valve plate 31 and the sealing ring 8 work together to block the discharge of sewage from the drain port 11. Figure 1 and Figure 2 As shown.
[0037] like Figure 6 As shown, the valve structure 3 has support portions 32 extending downward from the valve plate 31 on both sides. Each support portion 32 has a rotating shaft 33 at its lower part, configured to rotate so that the valve plate 31 tilts, opening the drain port 11. Correspondingly, as... Figure 3 and Figure 5 As shown, a mounting part 21 is provided in the base 2, and the rotating shaft 33 is rotatably located on the mounting part 21.
[0038] In one specific implementation, such as Figure 5 and Figure 6As shown, the rotating shaft 33 has a first portion 331 connected to the support portion 32 and a second portion 332 away from the support portion 32. A recess 333 is formed between the first portion 331 and the second portion 332, making the rotating shaft 33 approximately yo-yo shaped. The mounting portion 21 has a hollow receiving cavity 211 and a notch 212; the receiving cavity 211 is used to receive the second portion 332 of the rotating shaft 33, and the notch 212 is adjacent to or in contact with the recess 333, so that the mounting portion 21 serves as a support point for the rotation of the valve structure 3.
[0039] The base 2 is also provided with a crank 4. The first end of the crank 4 is connected to the valve structure 3, and the second end of the crank 4 opposite to the first end is connected to the foot pedal 5. Thus, when the foot pedal 5 rotates, the valve structure 3 is driven to rotate through the crank 4.
[0040] In one specific implementation, such as Figure 4-7 As shown, the valve structure 3 is provided with a track 34 along which the first end of the crank 4 slides. The track 34 can be an obliquely arranged elongated hole. The first end of the crank 4 has an extension 41 that can pass through the elongated hole; the extension direction of the extension 41 is approximately perpendicular to the length direction of the crank 4. The free end of the extension 41 has an enlarged portion 42 that is larger than the elongated hole, thereby confining the extension 41 in the elongated hole and allowing it to slide along it. Conventionally, the valve structure 3 is made entirely of plastic and can deform slightly. By manually prying open the elongated hole, the enlarged portion 42 can be passed through the elongated hole, so that the first end of the crank 4 is located in the elongated hole; or when the valve structure 3 has high rigidity, the above purpose can also be achieved by 3D printing.
[0041] In one implementation, such as Figure 6 As shown, the top of the valve plate 31 is approximately a flat surface 311, used to contact the drain port 11 and the sealing ring 8 therebetween; the side of the valve plate 31 is a partially spherical surface 312; the support portion 32 extends downward from the spherical surface 312. The extending direction of the track 34 (or elongated hole) is approximately coincident with the diameter direction of the sphere containing the spherical surface 312.
[0042] The base 2 has a through hole 22 connecting the interior and exterior; a mating structure is provided between the second end of the crank 4 and the pedal 5, passing through the through hole 22 to achieve the mating between the two. In one embodiment, as... Figure 5 As shown, the mating structure includes a protrusion 61 and a recess 62. The protrusion 61 is inserted into the recess 62 to achieve a mating between the two. In one embodiment, the protrusion 61 is located at the second end of the crank 4 and is a cross-shaped protrusion; the recess 62 is located on the pedal 5 and is a cross-shaped recess.
[0043] Furthermore, the installation of the foot pedal 5 on the base 2 can be achieved using existing technologies. For example, a buckle can be installed around the through hole 22 of the base 2, and a hook can be provided on the foot pedal 5 to cooperate with the buckle. A spring or rebound structure to control the rotation of the foot pedal 5 can also be designed, as well as a protruding part to activate the water valve during the rotation of the foot pedal 5. Conventionally, the foot pedal 5 includes a rotating body 51 and an extension body 52. The rotating body 51 is larger, and most of the components of the foot pedal 5 are housed within it, such as the recessed part 62, the hook, the spring, or the rebound structure. The extension body 52 extends from the rotating body 51, is flat, and is configured for the user to step on to supply water. The extension body 52 is generally located horizontally; during water supply, the extension body 52 rotates downwards when stepped on by the user, as sufficient space needs to be left below it for stepping.
[0044] By setting the track 34 and crank 4, a transmission assembly is formed between the foot pedal 5, crank 4, and track 34 (valve structure 3). This allows the valve structure 3 to tilt significantly around the mounting portion 21 even when the foot pedal 5 rotates only a small angle, thanks to the transmission through the crank 4 and track 34, facilitating the opening of the drain outlet 11. For example, under proper configuration, a 20° rotation of the foot pedal may cause the valve plate 3 to tilt by 50-80°, making it easier to open the drain outlet 11. Furthermore, since only a small rotation angle of the foot pedal 5 is needed for smooth sewage discharge, a smaller height can be reserved below the foot pedal 5 from the mounting surface (e.g., the ground), thereby reducing the height of the base 2. This is particularly beneficial in certain scenarios, such as in vehicles or yachts with limited space, or in situations where other components are already installed, leaving very limited installation space for the toilet.
[0045] In addition, in order to be applicable to both limited and conventional spaces, if the base 2 is set relatively low, a heightening part 7 can be provided below the base 2.
[0046] like Figure 8 As shown, the heightening part 7 is a hollow blow-molded part, and its top and the bottom of the base 2 fit together. In one embodiment, the top of the heightening part 7 has a mounting hole 71, which can be used to connect the heightening part 7 to the base 2 with fasteners such as bolts. In addition, a recess and a protrusion 72 can be provided between the bottom of the base 2 and the top of the heightening part 7. Through their cooperation, a connection function is achieved on the one hand, and a positioning installation function is achieved on the other hand, improving installation efficiency.
[0047] Furthermore, a first sewage chamber 23 is formed in the middle of the base 2, and its upper part is connected to the sewage outlet 11. The valve structure 3, crank 4, and mounting part 21 are all located in the first sewage chamber 23. A second sewage chamber 73 is formed in the middle of the raised part 7, and its upper part is connected to the lower part of the first sewage chamber 23, while its lower part is connected to sewage discharge components such as sewage pipes. Sealing rings are respectively provided between the sewage outlet 11 and the first sewage chamber 23, between the first sewage chamber 23 and the second sewage chamber 73, and between the second sewage chamber 73 and the sewage pipe to prevent sewage leakage, forming a sewage discharge channel in which the sewage outlet 11, the first sewage chamber 23, the second sewage chamber 73, and the sewage pipe are connected in sequence.
[0048] In addition, almost all components of the direct-flush toilet system are made of plastic, such as the bowl 1, base 2, valve structure 3, crank 4, foot pedal 5, and riser 7, which makes the entire system lightweight and easy to transport and move.
[0049] Finally, it should be noted that the various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other.
[0050] The above embodiments are only used to illustrate the technical solutions of this application and not to limit them; although this application has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications can still be made to the specific embodiments of this application or equivalent substitutions can be made to some technical features without departing from the spirit of the technical solutions of this application, and all such modifications should be covered within the scope of the technical solutions claimed in this application.
Claims
1. A direct-flush toilet system, characterized in that, include: The seat is designed to be in contact with the user, and a drain outlet is provided at the bottom of the seat. A base, located below the seat pool, supports the seat pool; the base has a mounting section. A valve structure is located in a base; the valve structure includes a valve plate, a rotating shaft, and a support portion connecting the valve plate and the rotating shaft; the valve plate is adjacent to a drain port; the rotating shaft is rotatably mounted on a mounting portion, allowing the valve plate to tilt; the valve structure is configured such that: during draining, the rotating shaft rotates, causing the valve plate to tilt and open the drain port; when not draining, the rotating shaft does not rotate, and the valve plate blocks the drain port; and... The foot pedal, connected to the valve structure, can drive the valve structure to rotate.
2. The direct-flush toilet system according to claim 1, characterized in that, It also includes a crank, the first end of which is movably connected to the valve structure, and the second end of which is connected to the foot pedal; the rotation of the foot pedal drives the crank and the valve structure to move.
3. The direct-flush toilet system according to claim 2, characterized in that, The valve structure is provided with a track, and the first end of the crank has an extension located in the track, which can slide along the track.
4. The direct-flush toilet system according to claim 3, characterized in that, The track is an obliquely arranged elongated hole; the free end of the extension is provided with an enlarged portion to restrict the extension to slide along the elongated hole.
5. The direct-flush toilet system according to claim 3 or 4, characterized in that, The valve plate is configured to be located approximately within the sphere, and the extension direction of the track approximately coincides with the diameter direction of the sphere.
6. The direct-flush toilet system according to claim 3 or 4, characterized in that, The top of the valve plate is generally flat and can contact the drain outlet; the side of the valve plate extending outward from the flat surface is a partial spherical surface; the extension direction of the track roughly coincides with the diameter direction of the sphere on which the spherical surface is located.
7. The direct-flush toilet system according to any one of claims 1-4, characterized in that, The rotating shaft has a first part connected to the support and a second part away from the support; a recess is formed between the first part and the second part; the mounting part has a hollow receiving cavity and a notch; the receiving cavity is used to receive the second part of the rotating shaft, and the notch is adjacent to or in contact with the recess, so that the mounting part serves as a support point for the rotation of the valve structure.
8. The direct-flush toilet system according to any one of claims 2-4, characterized in that, A mating structure is provided between the second end of the crank and the pedal. The mating structure includes a protrusion and a recess that are inserted into each other, one of which is provided at the second end of the crank and the other is provided on the pedal.
9. The direct-flush toilet system according to any one of claims 1-4, characterized in that, A raised section is provided below the base, and a recessed section and a convex section that cooperate with each other are provided between the top of the raised section and the bottom of the base.
10. The direct-flush toilet system according to claim 9, characterized in that, The base forms a first sewage chamber in the middle, and the raised part forms a second sewage chamber in the middle; the sewage outlet, the first sewage chamber, and the second sewage chamber are connected in sequence and sealed with a sealing ring between them; the valve structure and the mounting part are both located in the first sewage chamber; the seat, base, valve structure, crank, foot pedal, and raised part are all made of plastic; wherein, the raised part is a hollow blow-molded part.