Drain and sink structure

Abstract

This utility model discloses a drain assembly and sink structure, relating to the field of sink technology. The drain assembly includes a shell and an inner tank. The shell has a drain outlet for connecting to a drain pipe assembly. The inner tank is at least partially disposed within the shell. It also includes a filter element with an installation port corresponding to the drain outlet. The filter element is detachably connected to the inner tank and / or the shell, and is configured to at least partially cover the installation port. This drain assembly and sink structure allows for easier cleaning of the drain outlet due to the detachable filter element within the inner tank.

Description

Technical Field

[0001] This utility model relates to the field of water tank technology, and in particular to a drain device and water tank structure. Background Technology

[0002] Currently, traditional sink drainers are typically installed at the bottom of the sink to control drainage. These traditional drainers occupy space at the bottom of the sink, hindering space utilization, and their seals are often inadequate, leading to leaks and water accumulation. Chinese patent CN222413274U discloses a sink and an integrated structure incorporating it, including a sink body and a drainer. The drainer is partially located at the rear of the sink body and sealed by a first and second sealing ring, improving space utilization and sealing tightness to some extent. However, the structure on this sink that allows water to drain from the inner tank to the drain outlet is a filter hole, integrally formed with the inner tank. If dirt accumulates around the drain outlet, cleaning requires disassembling the entire inner tank, making cleaning difficult. Therefore, there is an urgent need for a drainer and sink structure that is easier to clean. Utility Model Content

[0003] The purpose of this utility model is to provide a drainer and sink structure to solve the problems existing in the prior art. The filter in the inner tank is removable, which makes it easier to clean the drain outlet.

[0004] To achieve the above objectives, this utility model provides the following solution:

[0005] This utility model provides a drain assembly, comprising: an outer shell and an inner liner, wherein the outer shell is provided with a drain outlet for communicating with a drain pipe assembly, and the inner liner is at least partially disposed within the outer shell. The assembly is characterized by further comprising: a filter element, wherein the inner liner is provided with an installation port communicating with the drain outlet, the filter element is detachably connected to the inner liner and / or the outer shell, and the filter element is configured to at least partially cover the installation port.

[0006] In some embodiments, the filter element has at least one mounting protrusion on one side, and the housing has a mounting groove that matches the mounting protrusion, wherein the mounting protrusion can form a detachable connection with the mounting groove.

[0007] In some embodiments, the inner wall of the mounting groove includes a limiting section and a guide section. The limiting section is perpendicular to the bottom surface of the mounting groove and one end is connected to the bottom surface of the mounting groove. The other end of the limiting section is connected to the first end of the guide section. The guide section is inclined and the end of the guide section away from the limiting section forms a second end. The first end is closer to the central axis of the mounting groove than the second end.

[0008] In some embodiments, the filter element is provided with a detachable structure.

[0009] In some embodiments, the filter element is provided with a handle or a disassembly hole.

[0010] In some embodiments, the housing has an inclined guide surface, the lower end of which is connected to the drain outlet, and the upper end of which is further away from the central axis of the drain outlet than the lower end of which is the lower end of the guide surface.

[0011] In some embodiments, the circumferential edge of the filter element is in close contact with the circumferential edge of the mounting port.

[0012] In some embodiments, a carrying cage is also included, which is detachably disposed inside the inner liner, and the circumferential edge of the carrying cage is at least partially in close contact with the circumferential edge of the inner liner.

[0013] This utility model also provides a water tank structure, including a basin, a drain pipe assembly, and the drain device. The bottom rear of the basin is provided with an inner opening that connects the inner and outer sides of the basin. The outer shell is disposed outside the basin, and the outer shell corresponds to the position of the inner opening. The inner liner passes through the inner opening from inside the basin and is disposed on the outer shell. The outer shell, the basin, and the inner liner form a detachable fixed connection. The drain pipe assembly is connected to the drain outlet.

[0014] The present invention achieves the following technical advantages over the prior art:

[0015] The drain assembly provided by this utility model has a removable filter element on the inner tank. When the area near the drain outlet is not clean, the filter element can be directly removed to clean the outer shell and drain pipe assembly near the drain outlet, preventing odors caused by dirt accumulation. Compared with drain assemblies where the filter structure and inner tank are integrally formed, this is more convenient to clean and provides a better user experience.

[0016] Furthermore, by setting an inclined guide section, the ease of installation of the filter element is further improved.

[0017] Furthermore, by setting an inclined guide surface, the drainage effect is improved, the risk of water accumulation is reduced, and odors are prevented. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is an exploded view of the water tank structure in some embodiments of this utility model;

[0020] Figure 2 This is a cross-sectional view of the water tank structure in some embodiments of this utility model;

[0021] Figure 3 This is a three-dimensional structural diagram of the drain device in some embodiments of this utility model;

[0022] Figure 4 This is a three-dimensional structural diagram of the drain assembly after disassembly and removal of the lifting cage in some embodiments of this utility model;

[0023] Figure 5 This is a three-dimensional structural diagram of the drain assembly after disassembling the lifting cage and filter components in some embodiments of this utility model;

[0024] Figure 6 This is a schematic diagram of the mounting groove in some embodiments of the present invention;

[0025] Figure 7 This is a three-dimensional structural diagram of the filter element in some embodiments of the present invention;

[0026] In the diagram: 1. Outer shell; 11. Drain outlet; 12. Guide surface; 13. Mounting groove; 131. Guide section; 132. Limiting section; 2. Inner liner; 21. Mounting port; 22. Mounting edge; 3. Filter element; 31. Disassembly hole; 32. Mounting protrusion; 4. Lifting cage; 5. Tank; 51. Inner opening; 6. Drain pipe assembly; 7. Mounting screws. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] The purpose of this utility model is to provide a drainer and sink structure to solve the problems existing in the prior art. The filter in the inner tank is removable, which makes it easier to clean the drain outlet.

[0029] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. Example 1

[0030] This embodiment provides a drain device, such as... Figure 1-7 As shown, it includes: an outer shell 1 and an inner liner 2, which are respectively disposed outside and inside the basin 5. The outer shell 1 is provided with a drain outlet 11, which is used to communicate with a drain pipe assembly 6. The inner liner 2 is at least partially disposed inside the outer shell 1. It also includes a filter element 3, which is provided with an installation port 21 communicating with the drain outlet 11. The filter element 3 is detachably connected to the inner liner 2 and / or the outer shell 1. The filter element 3 is configured to at least cover part of the installation port 21.

[0031] In this embodiment, the drain assembly allows water to flow through the filter element 3 to the drain outlet 11, and then be discharged through the drain pipe assembly 6. Normally, the filter element 3 is installed on the inner tank 2 and covers the installation opening 21, used to filter food residue and other debris. At this time, the drain outlet 11 cannot be cleaned due to the obstruction of the filter element 3. When the area around the drain outlet 11 is poorly cleaned, the filter element 3 can be directly removed to clean the outer shell 1 and the drain pipe assembly 6 near the drain outlet 11. Compared to drain assemblies where the filter structure and inner tank 2 are integrally formed, this method is more convenient for cleaning and provides a better user experience.

[0032] Among them, such as Figure 7 As shown, the filter element 3 is preferably a metal filter screen with elongated through holes, but it can also be a filter membrane, filter bag, or other structure as needed. Furthermore, the filter element 3 can be connected only to the inner liner 2 or to the outer shell 1, or connecting structures can be provided on both the inner liner 2 and the outer shell 1, allowing the filter element 3 to be connected to both simultaneously.

[0033] Optionally, the inner tank 2 can be entirely or partially housed within the outer shell 1. The filter element 3 can be configured to completely cover the installation port 21 as needed; alternatively, the filter element can be tilted and partially cover the installation port 21. In this case, a filtration area is formed between the filter element 3 and the inner wall of the inner tank 2. Wastewater enters the filtration area, passes through the filter element, and then enters the drain.

[0034] In this first embodiment, at least one mounting protrusion 32 is provided on one side of the filter element 3, and a mounting groove 13 matching the mounting protrusion 32 is provided inside the outer shell 1. The mounting protrusion 32 can form a detachable connection with the mounting groove 13. When it is necessary to disassemble the filter element 3, the filter element 3 can be directly pulled away from the bottom of the inner liner 2 to achieve the disassembly and assembly of the filter element 3.

[0035] The number of mounting protrusions 32 is not limited, but preferably two protrusions 32 are provided, located at both ends of the filter element 3. Two mounting grooves 13 are provided, corresponding to the positions of the two mounting protrusions 32 and located at both ends of the filter element 3, to improve the stability of the filter element 3 during use. Furthermore, in other optional solutions, the mounting grooves 13 can also be provided on the inner liner 2, or both the inner liner 2 and the outer shell 1 can have mounting grooves 13. Specifically, for example... Figure 5 As shown, the mounting groove 13 is located at the edge of the opening at the top of the housing 1. The extension direction from the groove opening to the bottom of the groove matches the overall extension direction of the housing 1, and both are inclined. This not only effectively limits the position of the filter element 3, but also facilitates disassembly.

[0036] In this embodiment, the inner wall of the mounting groove 13 includes a limiting section 132 and a guide section 131. The limiting section 132 is perpendicular to the bottom surface of the mounting groove 13 and one end is connected to the bottom surface of the mounting groove 13. The other end of the limiting section 132 is connected to the first end of the guide section 131. The guide section 131 is inclined, and the end of the guide section 131 away from the limiting section 132 forms a second end. The first end is closer to the central axis of the mounting groove 13 than the second end. Figure 5 and Figure 6 As shown, a single mounting groove 13 is provided with two sets of guide walls consisting of limiting sections 132 and guide sections 131, a connecting side wall connecting the two sets of guide walls, and a bottom wall of the mounting groove 13 connecting the three. Two sets of mounting grooves 13 are provided on the outer shell 1 and are distributed at opposite ends of the filter element 3.

[0037] When the filter element 3 is installed, if the installation protrusion 32 does not correspond to the position of the installation groove 13, it will first contact the guide section 131 and then slide along the guide section 131 into the installation groove 13. At this time, the filter element 3 is tightly abutted against the bottom wall of the two installation grooves 13. The circumferential direction of the filter element 3 is limited by the limiting section 132 of the two installation grooves 13 and the connecting side wall, thereby achieving complete limiting of the filter element 3.

[0038] When using the above-mentioned mounting groove 13 structure, in other optional solutions, only one set of mounting protrusion 32 and mounting groove 13 can be set. When the mounting protrusion 32 of the filter element 3 is limited to the mounting groove 13, the periphery of the filter element 3 can be closely attached to the periphery of the mounting port 21 of the inner liner 2. This solution can replace the degree of freedom limited by the connecting side wall of the double mounting groove 13, so as to limit the filter element 3 to the mounting port 3.

[0039] To further improve the ease of disassembly, in this first embodiment, the filter element 3 is provided with a disassembly and assembly structure. Furthermore, the disassembly and assembly structure can be configured as a handle or a disassembly and assembly hole 31; alternatively, it can be configured as a groove for inserting fingers, a snap-fit ​​part that matches a tool, etc.

[0040] In this first embodiment, the outer casing 1 has an inclined guide surface 12. The lower end of the guide surface 12 is connected to the drain outlet 11, and the upper end of the guide surface 12 is further away from the central axis of the drain outlet 11 than the lower end of the guide surface 12. The inclined design of the guide surface 12 can improve the drainage effect, reduce the risk of water accumulation, and prevent the generation of odors.

[0041] In order to improve the sealing between the filter element 3 and the inner liner 2 and prevent sewage from seeping between the inner liner 2 and the outer shell 1, in this embodiment, the circumferential edge of the filter element 3 is tightly fitted with the circumferential edge of the mounting port 21.

[0042] In this embodiment, the drainer also includes a lifting cage 4, which is detachably installed inside the inner tank 2, with its circumferential edge tightly fitted to the circumferential edge of the inner tank 2. The lifting cage 4 can collect some food residue and other dirt, and when there is a lot of dirt inside the lifting cage 4, it can be lifted out and emptied. Example 2

[0043] This embodiment provides a water tank structure, such as Figure 1-2 As shown, the device includes a basin 5, a drain pipe assembly 6, and a drainer as described in Embodiment 1. The bottom rear of the basin 5 is provided with an inner opening 51 that connects the inner and outer sides of the basin 5. The outer shell 1 is located outside the basin 5, and the outer shell 1 corresponds to the position of the inner opening 51. The inner liner 2 passes through the inner opening 51 from inside the basin 5 and is located inside the outer shell 1. The outer shell 1, the basin 5, and the inner liner 2 form a detachable fixed connection. The drain pipe assembly 6 is connected to the drain outlet 11.

[0044] The water tank structure provided in this embodiment improves the convenience of cleaning the drain outlet of the outer casing 1 and the drain pipe assembly by incorporating the detachable filter element 3 as in Embodiment 1. Here, "rear bottom" refers to the bottom of the side of the water tank that is relatively far from the user's operating position after installation.

[0045] In this embodiment, the water tank structure further includes: mounting screws 7; the inner liner 2 has multiple first screw holes; and the outer shell 1 has multiple second screw holes corresponding to the first screw holes. The mounting screws 7 can simultaneously pass through and be threaded into the corresponding first and second screw holes. The cooperation of the mounting screws 7, the first screw holes, and the second screw holes improves the sealing performance and facilitates the assembly and disassembly of the inner liner 2, the tank 5, and the outer shell 1.

[0046] This utility model uses specific examples to illustrate its principles and implementation methods. The above description of the embodiments is only for the purpose of helping to understand the method and core idea of ​​this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the idea of ​​this utility model. In summary, the content of this specification should not be construed as a limitation of this utility model.

Claims

1. A drain, comprising: The outer shell (1) and the inner liner (2) are provided with a drain outlet (11) for communicating with a drain pipe assembly (6), and the inner liner (2) is at least partially disposed inside the outer shell (1). The product is characterized by further comprising a filter element (3), wherein the inner liner (2) is provided with an installation port (21) communicating with the drain outlet (11), the filter element (3) is detachably connected to the inner liner (2) and / or the outer shell (1), and the filter element (3) is configured to at least partially cover the installation port (21).

2. The drain according to claim 1, wherein: The filter element (3) has at least one mounting protrusion (32) on one side, and the housing (1) has a mounting groove (13) that matches the mounting protrusion (32). The mounting protrusion (32) can be detachably connected to the mounting groove (13).

3. A drain device according to claim 2, characterized in that: The inner wall of the mounting groove (13) includes a limiting section (132) and a guide section (131). The limiting section (132) is perpendicular to the bottom surface of the mounting groove (13) and one end is connected to the bottom surface of the mounting groove (13). The other end of the limiting section (132) is connected to the first end of the guide section (131). The guide section (131) is inclined. The end of the guide section (131) away from the limiting section (132) forms a second end. The first end is closer to the central axis of the mounting groove (13) than the second end.

4. A drain device according to claim 2, characterized in that: The filter element (3) is provided with a disassembly and assembly structure.

5. A drain device according to claim 4, characterized in that: The filter element (3) is provided with a handle or a disassembly hole (31).

6. A drain device according to claim 1, characterized in that: The outer casing (1) has an inclined guide surface (12) inside. The lower end of the guide surface (12) is connected to the drain outlet (11). The upper end of the guide surface (12) is further away from the central axis of the drain outlet (11) than the lower end of the guide surface (12).

7. A drain device according to claim 1, characterized in that: The circumferential edge of the filter element (3) is in close contact with the circumferential edge of the mounting port (21).

8. A drain device according to claim 1, characterized in that: It also includes a carrying cage (4), which is detachably disposed inside the inner liner (2), and the circumferential edge of the carrying cage (4) is closely fitted with the circumferential edge of the inner liner (2).

9. A water tank structure, characterized in that: The device includes a basin (5), a drain pipe assembly (6), and a drainer according to any one of claims 1-8. The bottom rear of the basin (5) is provided with an inner opening (51) that connects the inner and outer sides of the basin (5). The outer shell (1) is disposed outside the basin (5). The outer shell (1) corresponds to the position of the inner opening (51). The inner liner (2) passes through the inner opening (51) from inside the basin (5) and is disposed on the outer shell (1). The outer shell (1), the basin (5), and the inner liner (2) form a detachable fixed connection. The drain pipe assembly (6) is connected to the drain outlet (11).

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