Drain structure, vehicle door assembly, and vehicle

Abstract

The present disclosure relates to a drainage structure, a vehicle door assembly and a vehicle. The drainage structure comprises a housing and a movable member. The housing is adapted to be sealingly connected with a vehicle door. A drainage passage is provided in the housing and is configured to communicate with a drainage port of the vehicle door. The movable member is movably arranged in the housing and has a sealing position and an open position. In the open position, the drainage passage communicates with the drainage port. In the sealing position, the drainage passage does not communicate with the drainage port. When the movable member is in the sealing position, the drainage passage does not communicate with the drainage port to block liquid from entering the drainage port through the drainage passage. When the movable member is in the open position, the drainage passage communicates with the drainage port, and liquid in a cavity of the vehicle door can be drained out of the vehicle door through the drainage passage. Thus, the drainage port can be opened to allow liquid in the cavity to be drained out, and the drainage port can be closed to block liquid from entering the cavity of the vehicle door through the drainage port to avoid backflow problem of the drainage port.

Description

Technical Field

[0001] This disclosure relates to the field of vehicle technology, and more particularly to a drain structure, a door assembly, and a vehicle. Background Technology

[0002] The drain outlet plays an important role in car doors, allowing water that enters the door cavity from above to drain out of the vehicle. However, the function of the drain outlet in related technologies is relatively limited and may not meet certain specific usage scenarios of car doors. Utility Model Content

[0003] The purpose of this disclosure is to provide a drainage structure, a door assembly, and a vehicle to at least partially solve the aforementioned technical problems.

[0004] According to a first aspect of the present disclosure, a drainage structure is provided, the drainage structure comprising: A housing adapted for a sealing connection with a vehicle door, wherein a drainage channel is provided within the housing for communicating with a drainage outlet of the vehicle door; and A movable component is movably disposed within the housing, and the movable component has a sealed position and an open position. In the open position, the drain channel is connected to the drain port, and in the sealed position, the drain channel is not connected to the drain port.

[0005] With the above technical solution, because the outer shell is sealed to the door, when the moving parts are in the open position, liquid inside the door (e.g., the cavity inside the door) can be discharged through the drain port and drain channel. This avoids liquid accumulation inside the door, which can damage the door, such as corroding the metal structural components, damaging the window regulator motor, producing odors, or breeding bacteria. When the moving parts are in the sealed position, the drain port can be closed to prevent liquid from entering the door through the drain port, thus avoiding backflow problems.

[0006] In some possible implementations, the drainage structure further includes a first seal, the housing being adapted to be sealed to the door via the first seal.

[0007] By setting a first seal, the sealing performance between the housing and the door can be improved, preventing external liquids from seeping into the drain port through the connection between the housing and the door.

[0008] In some possible implementations, the housing includes a sleeve portion open at one end, the first seal being disposed at the open end of the sleeve portion, the sleeve portion being adapted to be sealed to the vehicle door via the first seal and to communicate with the drain port.

[0009] By incorporating a sleeve portion, on the one hand, after the sleeve portion is installed and connected to the door, a larger drainage channel is provided for liquid flowing out through the drain port, allowing the liquid to be quickly discharged from the door. On the other hand, the sleeve portion can be fitted onto a mating structure on the door (such as a groove on the door that matches the size of the open end, or the mounting protrusion mentioned below), thereby facilitating the rapid installation of the housing and the door. Furthermore, by placing the first seal in the sleeve portion, the installation of the drainage structure on the door does not require the separate installation of the first seal, which helps reduce the number of components and increases the installation speed of the drainage structure.

[0010] In some possible implementations, a snap-fit ​​part is provided inside the sleeve portion, and the snap-fit ​​part snaps into the vehicle door through the drain port.

[0011] The drain structure is connected to the door via a snap-fit ​​part, which facilitates quick installation between the drain structure and the door. Since the snap-fit ​​installation method does not require pre-drilling holes or studs on the door and drain structure, it is advantageous for installing the drain structure on the door when the door cavity has a small space. It also simplifies the design of the door and drain structure itself.

[0012] In some possible implementations, the latching portion includes a door latch for engaging within the cavity of the door.

[0013] The door latch engages with the cavity after passing through the drain port, making it less likely for the door latch to detach from the door. This improves the reliability of the connection between the drain structure and the door. In some possible implementations, the latching portion is configured to latch onto the middle of the drain port in the height direction of the door.

[0014] With this design, even for drain outlets located at the lowest point of the door (such as the bottom edge of the door), the drain structure can be securely installed on the door using door clips, thereby improving the applicability and practicality of the drain structure.

[0015] In some possible implementations, a first limiting part is provided inside the housing, the first limiting part being used to insert into the drain port and to abut against the side wall of the drain port.

[0016] The first limiting part is inserted into the drain port and abuts against the side wall of the drain port to restrict the circumferential movement of the locking part, which helps to improve the stability of the connection between the locking part and the door.

[0017] In some possible implementations, the movable element is configured to move upward under the buoyancy of the liquid to switch from the open position to the sealed position, and to move downward under gravity to switch from the sealed position to the open position.

[0018] Because the moving part can move upward under the buoyancy of the liquid, it allows the upward and downward movement of the moving part to close or open the drain port without additional components (such as sensors, actuators, controllers, etc.), realizing the one-way sealing function of automatically opening and closing the drain port. This helps to simplify the design of the drain structure, reduce costs, and improve the reliability of the one-way sealing of the drain port by the moving part.

[0019] In some possible implementations, the drainage structure further includes a second seal disposed within the housing. In the sealed position, the movable member is sealed to the housing via the second seal to seal the drainage channel. Thus, by providing the second seal, the sealing performance of the connection between the housing and the movable member can be improved, thereby enhancing the sealing performance of the movable member's sealing port.

[0020] In some possible implementations, the housing includes an upper housing and a lower housing connected together, the drainage channel includes a first drainage channel located in the upper housing and a second drainage channel located in the lower housing, the upper housing is used for a sealing connection with the vehicle door, the upper housing is provided with a connecting port for connecting the first drainage channel and the second drainage channel, the lower housing is provided with a leakage port communicating with the second drainage channel, and the movable member is configured to move up and down to close or open the connecting port.

[0021] Setting up the housing as an upper and lower housing simplifies the design of the upper and lower housings and facilitates the installation of components located in the upper or lower housing. For example, it facilitates the installation of moving parts in the lower housing.

[0022] In some possible embodiments, the movable element is configured to move upward under the buoyancy of the liquid to seal the communication port, and to move downward under gravity to open the communication port.

[0023] This allows for the upward movement of the moving part to seal the connection port and the downward movement to open the connection port without the need for additional control components. This enables the automatic opening and closing of the drain port with a one-way sealing function, which simplifies the design of the drain structure, reduces costs, and improves the reliability of the one-way sealing of the drain port by the moving part.

[0024] In some possible embodiments, the drainage structure further includes a second seal, through which the movable member is sealed to the upper housing to seal the communication port.

[0025] By setting a second seal, the sealing performance of the connection between the upper housing and the moving part can be improved, thereby improving the sealing performance of the moving part's sealing connection port.

[0026] In some possible embodiments, a guide member is provided inside the lower housing, and the movable member is movably sleeved on the guide member in the vertical direction.

[0027] By incorporating guide components, the upward and downward movement of the movable parts is facilitated, preventing potential tilting issues that might occur when the movable parts are subjected to external forces (such as liquid buoyancy or vehicle steering force). This prevents problems such as the movable parts failing to completely seal the connection when moving upwards, or becoming blocked when moving downwards. The guide components ensure that the movable parts move along a pre-defined path and in the correct direction, allowing them to move upwards and properly seal the connection.

[0028] In some possible embodiments, the upper housing and the lower housing are detachably connected.

[0029] This design facilitates the replacement of moving parts and subsequent maintenance.

[0030] According to a second aspect of this disclosure, a vehicle door assembly is also provided, including a vehicle door and the aforementioned drainage structure, wherein a housing is sealed to the vehicle door, and the vehicle door includes a drainage port that communicates with the outside through the drainage channel.

[0031] According to a third aspect of this disclosure, a vehicle is also provided, the vehicle including the aforementioned door assembly or drainage structure.

[0032] The technical solutions provided by the embodiments of this disclosure may include the following beneficial effects: With the above technical solution, because the outer shell is sealed to the door, when the moving part is in the open position, liquid inside the door (e.g., the cavity inside the door) can be discharged through the drain port and drain channel. This avoids liquid accumulation inside the door, which can damage the door, such as corroding the metal structural components, damaging the window regulator motor, producing odors, or breeding bacteria. When the moving part is in the sealed position, the drain port can be closed to prevent liquid from entering the door through it, thus avoiding backflow. The drain structure provided in this disclosure expands the vehicle's usage scenarios, such as driving in extreme precipitation weather like heavy rain or driving on low-lying or flooded roads.

[0033] Other features and advantages of this disclosure will be described in detail in the following detailed description section. Attached Figure Description

[0034] The accompanying drawings are provided to further illustrate the present disclosure and form part of the specification. They are used together with the following detailed description to explain the present disclosure, but do not constitute a limitation thereof. In the drawings: Figure 1 This is an exploded schematic diagram of a drainage structure provided in one embodiment of the present disclosure.

[0035] Figure 2 This is an exploded view of a drainage structure provided in one embodiment of the present disclosure from another perspective.

[0036] Figure 3 This is a front-view perspective three-dimensional schematic diagram of a drainage structure provided in one embodiment of the present disclosure.

[0037] Figure 4 This is a rear-view perspective view of a drainage structure provided in one embodiment of the present disclosure.

[0038] Figure 5 This is a partial schematic diagram of a vehicle door provided in one embodiment of the present disclosure, showing a drain outlet.

[0039] Figure 6 and Figure 7 This is a schematic diagram of the process of installing a drainage structure provided in one embodiment of the present disclosure onto the drainage port of a car door, wherein the outer side of the outer panel of the car door is shown.

[0040] Figure 8 This is a partial schematic diagram of a door assembly provided in one embodiment of the present disclosure, showing an inner side view of the outer door panel with a drainage structure installed, and also showing the door latch.

[0041] Figure 9 This is a partial schematic diagram of a door assembly provided in one embodiment of the present disclosure, showing the inner door panel and the outer door panel. Only the approximate location of the drain outlet is shown schematically; the specific shape of the drain outlet is not shown.

[0042] Explanation of reference numerals in the attached figures 100-Drainage structure; 1-Outer shell; 11-Drainage channel; 111-First drainage channel; 112-Second drainage channel; 12-Sleeve part; 121-Open end; 13-Snap-fit ​​part; 131-Door claw; 1311-First end; 1312-Second end; 132-Mounting part; 14-First limiting part; 15-Upper shell; 151-Connecting port; 152-Claw; 1521-Guide surface; 163 - Second limiting part; 164- Upper end; 16- Lower housing; 161- Drain outlet; 162- Slot; 17- Guide part; 2- Movable part; 21- Sleeve part; 22- Abutting part; 3- First seal; 4- Second seal; 200- Door; 210- Drain outlet; 211- Enlarged hole; 220- Cavity; 230- Mounting protrusion; 240- Annular plane; 250- Inner door panel; 260- Outer door panel. Detailed Implementation

[0043] The specific embodiments of this disclosure will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for illustration and explanation only and are not intended to limit this disclosure.

[0044] It should be understood in this disclosure that, unless otherwise stated, directional terms such as "upper" and "lower" used to indicate orientation or positional relationships are defined based on the drawing directions shown in the corresponding figures, and are only for the convenience of describing this disclosure and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or a specific orientational structure and operation, and therefore should not be construed as a limitation of this disclosure. The terms "inner" and "outer" can refer to the inner and outer sides of the corresponding components. Furthermore, it should be noted that the first direction in this disclosure can be the same as the width direction of the door (the front-rear direction of the vehicle), the second direction can be the same as the height direction of the door (the height direction of the vehicle), and the third direction can be the same as the thickness direction of the door (the left-right direction of the vehicle). Additionally, in the description with reference to the accompanying drawings, the same reference numerals in different drawings denote the same elements.

[0045] In the description of this disclosure, it should also be noted that, unless otherwise expressly specified and limited, the terms "setup," "connection," etc., 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. Those skilled in the art can understand the specific meaning of the above terms in this disclosure according to the specific circumstances.

[0046] The drain outlets in car doors are used to drain water that enters the door and flows out of the cavity between the inner and outer door panels. However, in some situations, such as during heavy rain when roads are prone to flooding or when vehicles drive through areas with deep water (such as low-lying sections), water may backflow into the drain outlets. This backflow can damage the door by entering the cavity, causing corrosion or even flooding of the passenger compartment.

[0047] In view of this, such as Figures 1 to 9 As shown, this disclosure provides a drainage structure 100, including a housing 1 and a movable member 2. The housing 1 is adapted to be sealed to a vehicle door 200. A drainage channel 11 is provided inside the housing 1, which communicates with a drainage port 210 of the vehicle door 200. The movable member 2 is movably disposed within the housing 1 and has a sealed position and an open position. In the open position, the drainage channel 11 communicates with the drainage port 210 to allow liquid flowing from the drainage port 210 to be discharged through the drainage channel 11. For example, in an embodiment where the drainage port 210 is adapted to communicate with the outside through the drainage channel 11, the liquid can be discharged to the outside. In the sealed position, the drainage channel 11 is not communicated with the drainage port 210. That is, in the sealed position, the movable member 2 prevents the drainage channel 11 from communicating with the drainage port 210, thereby blocking liquid entering through the drainage channel 11 (e.g., liquid from the outside) from entering the drainage port 210.

[0048] Through the above technical solution, the outer shell 1 is sealed to the door 200. When the movable part 2 is in the sealed position, the drain channel 11 and the drain port 210 are not connected. The movable part 2 can prevent liquid from entering the drain port 210 through the drain channel 11, thereby avoiding the problem of backflow into the drain port 210 and the problem of water entering the passenger compartment caused by the accumulation of liquid inside the door due to backflow. When the movable part 2 is in the open position, the drain channel 11 and the drain port 210 are connected, allowing liquid inside the door (such as the cavity 220 of the door) (such as rainwater entering the cavity 220 through the window) to be discharged through the drain port 210 and the drain channel 11. This can prevent the door 200 from being damaged due to the accumulation of liquid inside the drain port 210, i.e., in the cavity 220, such as corroding the metal structural parts of the door 200, damaging the window lift motor, producing odors, or breeding bacteria.

[0049] The drainage structure 100 provided in this disclosure ensures that the drainage port 210 has a drainage function and also has the function of preventing backflow. Therefore, in some scenarios (such as when the vehicle is driving on a road with deep water), it can prevent the accumulation of liquid inside the door due to poor drainage or backflow of the drainage port 210, which could damage the door 200 (such as corroding the metal structural parts of the door 200, damaging the window lift motor, producing odors or breeding bacteria). The drainage structure 100 can expand the usage scenarios of the vehicle, such as driving the vehicle in extreme precipitation weather such as heavy rain, or driving the vehicle on low-lying or deep water sections.

[0050] It is understood that the opening position can be any position that allows the drain channel 11 and the drain port 210 to connect. For example, the opening position can be any position between the connecting port 151 mentioned below and the lower housing 16, allowing the liquid flowing out of the drain port 210 to enter the second drain channel 112 through the connecting port 151. The sealing position is the position of the moving part 2 when the drain channel 11 and the drain port 210 are not connected. For example, the sealing position is the position of the moving part 2 after it seals the connecting port 151, as mentioned below.

[0051] In some embodiments of this disclosure, such as Figures 1 to 3 As shown, the drainage structure 100 also includes a first seal 3, and the housing 1 is adapted to be sealed to the door 200 through the first seal 3. By providing the first seal 3, the sealing performance of the connection between the housing 1 and the door 200 can be improved, and external liquid can be prevented from seeping into the drainage port 210 through the connection between the housing 1 and the door 200.

[0052] The first seal 3 can be a separate component, used to seal the connection between the housing 1 and the door 200 during the installation of the housing 1 onto the door 200. Alternatively, the first seal 3 can be directly integrated into the housing 1, with the housing 1 directly and sealingly connected to the door 200; this disclosure does not limit this.

[0053] In some embodiments of this disclosure, the housing 1 itself may be partially elastic, and the elastic portion of it may serve as a seal, thereby allowing the first seal 3 described above to be omitted.

[0054] In some embodiments of this disclosure, the housing 1 includes a sleeve portion 12 open at one end. A first sealing member 3 is disposed at the open end 121 of the sleeve portion 12. The sleeve portion 12 is adapted to be sealed and connected to the vehicle door 200 through the first sealing member 3 and communicates with the drain port 210. By providing the sleeve portion 12, on the one hand, after the sleeve portion 12 is installed and connected to the vehicle door 200, a larger drain channel 11 can be provided for the liquid flowing out through the drain port 210 so that the liquid can be quickly discharged from the vehicle door 200. On the other hand, the sleeve portion 12 can be fitted onto a matching structure on the vehicle door 200 (such as a groove on the vehicle door 200 that matches the size of the open end 121, the mounting protrusion 230 mentioned below, etc.), thereby facilitating the quick installation operation of the housing 1 and the vehicle door 200.

[0055] Furthermore, by placing the first seal 3 on the sleeve portion, it is possible to install the drain structure 100 on the door 200 without the need for separate installation of the first seal 3, which helps to reduce the number of parts and increase the installation speed of the drain structure.

[0056] The first sealing element 3 can be installed on the open end 121 of the sleeve portion 12, for example, by means of thread crimping, snap ring connection, interference fit, etc., or it can be integrally formed on the open end 121 of the sleeve portion 12, for example, by two-color injection molding.

[0057] It is understood that the sleeve portion 12 can have any suitable shape, such as cylindrical, rectangular, etc., as long as the sleeve portion 12 can be installed and connected to the door 200. This disclosure does not impose any restrictions on this.

[0058] In some embodiments of this disclosure, such as Figure 1 and Figure 3 As shown, a snap-fit ​​part 13 is provided inside the sleeve portion 12, and the snap-fit ​​part 13 snaps into the door 200 through the drain port 210. The drain structure 100 is connected to the door 200 through the snap-fit ​​part 13, which facilitates the quick installation connection between the drain structure 100 and the door 200. Since the snap-fit ​​installation method does not require the reservation of installation structures such as holes or studs on the door 200 and the drain structure 100, it is beneficial to install the drain structure 100 into the door 200 when the cavity 220 of the door 200 has a small space, and it also helps to simplify the design of the door 200 and the drain structure 100 itself.

[0059] Furthermore, the snap-fit ​​part 13 snaps into the door 200 through the drain port 210, so that the drain port 210 has both drainage and installation functions. This allows for the elimination of the need to set up a structure that cooperates with the snap-fit ​​part 13 in the area of ​​the door 200 outside the drain port 210, thereby saving space and simplifying the design of the door 200.

[0060] In other embodiments of this disclosure, the housing 1 and the door 200 are fixedly installed by means of connection such as adhesive or threads.

[0061] In some embodiments of this disclosure, such as Figure 1 , Figure 3 and Figure 8 As shown, the latching part 13 includes a door latch 131, which is used to latch into the cavity 220. The door latch 131 latches into the cavity 220 after passing through the drain port 210, making it difficult for the door latch 131 to detach from the door 200, thereby improving the reliability of the connection between the drain structure 100 and the door 200.

[0062] like Figure 5 and Figure 8 As shown, the door latch 131 has a first width in the first direction, the drain outlet 210 has a second width in the first direction, and a third width in the second direction. The first and second directions intersect, with the first width being greater than the second width and less than the third width. This allows the door latch 131 to pass through the drain outlet 210 when its width direction is aligned with the first direction. By rotating the door latch 131 at a certain angle, its width direction intersects with the second direction, allowing it to contact the side wall of the cavity 220 of the door 200, thus enabling the door latch 131 to engage with the door 200.

[0063] In other embodiments of this disclosure, for example, the drain outlet 210 is a pipe having a flow channel communicating with the cavity 220, and the door claw 131 can be configured to have a size and shape adapted to the drain outlet 210, and the door claw 131 is sleeved on the drain outlet 210 so that the drain structure 100 is connected to the door 200.

[0064] As the drain outlet 210 moves downwards along the height of the door 200, the gap between the inner and outer door panels becomes smaller, making it less prone to jamming.

[0065] Therefore, in some embodiments of this disclosure, such as Figures 6 to 9 As shown, in the height direction of the door 200 (shown in the second direction in the figure), the latching part 13 is provided at the middle of the drain port 210. With this arrangement, even for drain ports 210 located at the lowest point of the door 200 (e.g., the bottom edge of the door 200), the drain structure 100 can be securely installed on the door 200 by the door latch 131, thereby improving the applicability and practicality of the drain structure 100.

[0066] In some embodiments of this disclosure, the drain outlet 210 is provided with an enlarged hole 211 in the middle. The size of the enlarged hole 211 in the width direction of the door 200 is larger than the size of other parts of the drain outlet 210 in the width direction of the door 200. The snap-fit ​​part 13 includes a mounting part 132 connected to the claw 152. The mounting part 132 passes through the enlarged hole 211, and the size of the mounting part 132 is adapted to the size of the enlarged hole 211.

[0067] During the process of the latching part 13 engaging with the door 200 through the drain port 210, the door latch 131 extends into the door 200 from the drain port 210. The mounting part 132 is located inside the cavity of the enlarged hole 211. When the drain structure 100 is rotated, the mounting part 132 rotates circumferentially around the enlarged hole 211 so that the door latch 131 contacts and engages with the side wall of the cavity 220, thereby connecting the drain structure 100 to the door 200. By adapting the size of the mounting part 132 to the size of the enlarged hole 211, the rotation process of the drain structure 100 through the mounting part 132 can be smooth and stable.

[0068] In addition, by reasonably designing the size of the enlarged hole 211, for example, setting the size of the enlarged hole 211 along the width direction of the door 200 to be larger than the size of other parts of the drain outlet 210 in the width direction of the door 200, a larger contact area between the mounting part 132 and the enlarged hole 211 can be allowed, which is beneficial to increase the stability of the snap-fit ​​part 13 snap-fitting onto the door 200.

[0069] In some embodiments of this disclosure, such as Figure 3 As shown, a first limiting part 14 is provided inside the outer casing 1. The first limiting part 14 is used to insert into the drain port 210 and to abut against the side wall of the drain port 210. The snap-fit ​​part 13 snaps into the door 200. The insertion of the first limiting part 14 into the drain port 210 and abuts against the side wall of the drain port 210 restricts the circumferential movement of the snap-fit ​​part 13, which helps to improve the stability of the connection between the snap-fit ​​part 13 and the door 200.

[0070] In embodiments where the latching portion 13 includes a door latch 131, the first limiting portion 14 may be disposed on the side of the latching portion 13 away from the door latch 131, that is, on the side near the sleeve portion 12 near its own closed end.

[0071] To facilitate understanding of the above-described method of installing the snap-fit ​​part 13 and the first limiting part 14 onto the door 200 by rotation, the rotation installation process will be explained below.

[0072] like Figures 5 to 7 As shown, the drainage structure 100 is located on the outer side of the door outer panel 260, and the open end 121 of the sleeve portion 12 faces the drainage port 210. Adjusting the angle of the drainage structure 100 makes the length direction of the locking portion 13 (as shown in the figure) align with the drainage port 210. Figure 3(The first direction shown is the same as the second direction) The door latch 131 is inserted from the drain port 210 into the cavity 220. A clamping force is applied to the sleeve portion 12 so that the open end 121 of the sleeve portion 12 is tightly abutted against the side of the outer door panel 260. Then, the drain structure 100 is rotated counterclockwise. When the first limiting portion 14 is aligned with the drain port 210, the first limiting portion 14 is inserted into the drain port 210 and abuts against the side wall of the drain port 210 to restrict the circumferential rotation of the latch portion 13.

[0073] The length direction of the first limiting part 14 (as shown in the figure) Figure 3 The second direction shown can have any suitable angle with the length direction of the locking part 13, such as 60 degrees, 90 degrees, etc., and this disclosure does not limit it.

[0074] In some embodiments of this disclosure, the length direction of the first limiting part 14 is at a 90-degree angle to the length direction of the locking part 13. This arrangement provides better feedback for the rotational installation of the locking part 13, facilitating blind operation and improving the convenience of operation and user experience.

[0075] In some other embodiments of this disclosure, the first limiting portion 14 may be disposed at one end of the sleeve portion 12 away from the open end 121 of the sleeve portion 12.

[0076] In some embodiments of this disclosure, such as Figure 3 As shown, the length of the first end 1311 of the door latch 131 away from the first limiting part 14 is less than the length of the second end 1312 of the door latch 131 near the first limiting part 14. That is, the length of the first end 1311 of the door latch 131 away from the sealing end of the sleeve part 12 is less than the length of the second end 1312 of the door latch 131 near the sleeve part 12. In this way, while ensuring that the latching part 13 plays the role of fixing the drainage structure 100, interference between the first end 1311 of the door latch 131 and the structure on the door 200 is avoided. At the same time, it is also beneficial to reduce the weight of the latching part 13.

[0077] like Figure 3 As shown, from the second end 1312 to the first end 1311, the size of the door claw 131 gradually decreases, forming an inclined surface. This inclined surface can be used as a guide surface to guide the door claw 131 into the drain port 210.

[0078] In addition, to further reduce the weight of the snap-fit ​​part 13, multiple hollowed-out parts can be provided on the snap-fit ​​part 13.

[0079] There are various ways to control the upward and downward movement of the movable part 2, and this disclosure does not limit this.

[0080] In some embodiments of this disclosure, the movable element 2 is configured to be able to move upward under the buoyancy of the liquid to switch from the open position to the sealed position, and to move downward under the force of gravity to switch from the sealed position to the open position.

[0081] Since the movable part 2 can move upward under the buoyancy of the liquid, it is possible to achieve the upward and downward movement of the movable part 2 to close or open the drain port 210 without additional components (such as sensors, actuators, controllers, etc.), thereby realizing the one-way sealing function of automatically opening and closing the drain port 210. This helps to simplify the design of the drain structure 100, reduce costs, and also improve the reliability of the one-way sealing of the drain port 210 by the movable part 2.

[0082] Specifically, in scenarios where vehicles need to pass through roads with relatively deep water, when the vehicle enters the water area, the water will first enter the drainage channel 11 through the drain outlet 161 on the drainage structure 100. The water entering the drainage channel 11 will generate an upward buoyancy force on the movable part 2. Under the action of this buoyancy, the movable part 2 will move upward. As the water level in the drainage channel 11 rises, when the movable part 2 moves to the sealing position, it will no longer move upward. Furthermore, since the buoyancy of the water will continuously generate a pressing force on the movable part 2 located at the sealing position, the movable part 2 will achieve a sealing effect at the sealing position, thereby achieving the sealing of the drain outlet 210. When the vehicle leaves the water area, the water in the drainage channel 11 will flow out of the drainage structure 100 through the drain outlet 161. The water level in the drainage channel 11 drops. After the movable part 2 loses the buoyancy of the water, it moves downward under its own weight and switches to the open position. At this time, the drainage function of the drain outlet 210 is turned on, allowing the liquid flowing out of the drain outlet 210 to be discharged through the drainage channel 11.

[0083] In some other embodiments of this disclosure, the movable element 2 can also be configured to move upward and downward in an electrically controlled manner, for example, by using an electrically controlled displacement stage. The movable element 2 is mounted on the electrically controlled displacement stage, and the user controls the movement of the electrically controlled displacement stage through a control input device (e.g., a control button) connected to the electrically controlled displacement stage so that the movable element 2 moves upward or downward.

[0084] The outer casing 1 can have any suitable construction form, such as being a single integral part or composed of multiple connected parts, and this disclosure does not limit it.

[0085] In some embodiments of this disclosure, the drainage structure 100 further includes a second seal 4 disposed within the housing 1. In the sealed position, the movable member 2 is sealed to the housing 1 via the second seal 4 to seal the drainage channel 11. Thus, by providing the second seal 4, the sealing performance of the connection between the housing 1 and the movable member 2 can be improved, thereby improving the sealing performance of the movable member 2 at the connection port 151.

[0086] In some embodiments of this disclosure, such as Figure 1 and Figure 3 As shown, the outer shell 1 includes an upper shell 15 and a lower shell 16 connected together. The drain channel 11 includes a first drain channel 111 located in the upper shell 15 and a second drain channel 112 located in the lower shell 16. The upper shell 15 is used for a sealed connection with the door 200. The upper shell 15 is provided with a connecting port 151, which is used to connect the first drain channel 111 and the second drain channel 112. The lower shell 16 is provided with a leakage port 161 connected to the second drain channel 112. The movable part 2 is configured to be able to move up and down to close or open the connecting port 151.

[0087] A connecting port 151 is provided in the upper housing 15. When the movable part 2 moves downward, it opens the connecting port 151, allowing liquid flowing from the drain port 210 to be discharged from the door 200 via the first drain channel 111 located in the upper housing 15, the connecting port 151, the second drain channel 112 located in the lower housing 16, and the leak port 161. When the movable part 2 moves upward, it closes the connecting port 151, preventing liquid entering the second drain channel 112 via the leak port 161 from entering the first drain channel 111 and the drain port 210 through the connecting port 151, thus achieving a one-way seal for the drain port 210.

[0088] The arrangement of the housing as an upper housing 15 and a lower housing 16 simplifies the design of the upper housing 15 and the lower housing 16, and facilitates the installation of components located in the upper housing 15 or the lower housing 16. For example, it facilitates the installation of the movable part 2 in the lower housing 16.

[0089] The upper housing 15 and the lower housing 16 can be connected by a fixed connection or a detachable connection, and this disclosure does not limit this.

[0090] In some embodiments of this disclosure, such as Figures 1 to 4 As shown, the upper housing 15 and the lower housing are detachably connected. This arrangement facilitates the replacement of the movable part 2 and subsequent maintenance.

[0091] There are several ways to detachably connect the upper housing 15 and the lower housing 16, such as screws or clips.

[0092] In some embodiments of this disclosure, such as Figures 1 to 4As shown, the upper housing 15 is provided with one of a slot 162 and a claw 152, and the lower housing 16 is provided with the other of a slot 162 and a claw 152. The claw 152 and the slot 162 engage in a snap-fit ​​connection. This snap-fit ​​connection method eliminates the need for additional connecting parts (such as bolts, nuts, etc.), which helps reduce the number of parts and facilitates quick installation.

[0093] The card slots 162 and card claws 152 can be configured with any suitable number, and this disclosure does not limit them.

[0094] In some embodiments of this disclosure, such as Figures 1 to 4 As shown, there are multiple claws 152 and multiple slots 162. The multiple claws 152 include two claws 152 located in a first direction and at least one claw 152 located in a third direction, where the first direction intersects with the third direction. The number of slots 162 is the same as the number of claws 152, and they correspond one-to-one. By providing multiple slots 162 and claws 152 in two directions respectively, the reliability and stability of the connection between the upper housing 15 and the lower housing 16 can be further improved.

[0095] In some embodiments of this disclosure, the upper housing 15 is provided with at least one second limiting part 163, the upper housing 15 is provided with a claw 152, the lower housing 16 is provided with a slot 162, the bottom side of the claw 152 is provided with a guide surface 1521, the guide surface 1521 is used to guide the claw 152 to the slot 162 in the vertical direction during the process of the upper housing 15 being installed downward to the lower housing 16, and the second limiting part 163 is used to abut against the upper end 164 of the lower housing 16.

[0096] By providing a guide surface 1521 on the bottom side of the claw 152, during the process of installing the upper housing 15 to the lower housing 16, the guide surface 1521 can guide the claw 152 to move towards the corresponding slot 162 so that the claw 152 engages with the slot 162, facilitating the quick connection and installation of the upper housing 15 and the lower housing 16. Furthermore, by providing a second limiting part 163, after the claw 152 engages with the slot 162, the second limiting part 163 abuts against the upper end 164 of the lower housing 16 to restrict the upward movement of the claw 152. The claw 152 and the second limiting part 163 work together to restrict the movement of the claw 152 in the vertical direction, preventing the claw 152 from disengaging from the slot 162 under external forces (such as the vibration force generated by bumps during vehicle operation). The provision of the second limiting part 163 further improves the stability of the claw 152 engaging with the slot 162.

[0097] In some embodiments of this disclosure, the movable member 2 can be configured to move upward under the buoyancy of the liquid to seal the connection port 151, and to move downward under gravity to open the connection port 151. When the movable member 2 moves upward and seals against the connection port 151, that is, when the movable member 2 is in the sealed position, the connection port 151 is closed, and the drain channel 11 and the drain port 210 are not connected. When the movable member 2 moves downward away from the connection port 151, that is, the movable member 2 switches to the open position, opening the connection port 151, and connecting the drain channel 11 and the drain port 210. In this way, it is possible to achieve the upward movement of the movable member 2 to seal the connection port 151 and the downward movement to open the connection port 151 without additional control components, realizing the one-way sealing function of automatically opening and closing the drain port 210. This is beneficial for simplifying the design of the drain structure 100, reducing costs, and improving the reliability of the one-way sealing of the drain port 210 by the movable member 2.

[0098] In other embodiments of this disclosure, the drainage structure 100 may further include a motor, a lead screw drive structure, and a controller. The movable part 2 is disposed on the lead screw drive structure, and the controller is used to control the motor. The motor drives the lead screw drive structure to move the movable part 2 up or down to seal or open the communication port 151.

[0099] In some embodiments of this disclosure, the drainage structure 100 further includes a second seal 4, through which the movable member 2 is sealed to the upper housing 15 to seal the communication port 151. By providing the second seal 4, the sealing performance of the connection between the upper housing 15 and the movable member 2 can be improved, thereby improving the sealing performance of the movable member 2 in sealing the communication port 151.

[0100] The second seal 4 can be installed on the upper housing 15, for example by means of threaded crimping, snap ring connection, interference fit, etc., or it can be integrally formed with the upper housing 15, for example by two-color injection molding. This disclosure does not limit this.

[0101] In some embodiments of this disclosure, a guide 17 is provided inside the lower housing 16, and the movable member 2 is movably sleeved on the guide 17 in the vertical direction. By providing the guide 17, it is beneficial to guide the movable member 2 to move upwards and downwards, avoiding potential tilting problems that may occur when the movable member 2 is subjected to external forces (such as liquid buoyancy or vehicle steering force), which could lead to problems such as the movable member 2 failing to completely seal the connection port 151 when moving upwards, or becoming blocked when moving downwards. The guide 17 ensures that the movable member 2 moves along a preset path and direction, so that the movable member 2 moves upwards and correctly seals the connection port 151.

[0102] In some embodiments of this disclosure, such as Figures 1 to 3As shown, the movable part 2 includes a sleeve portion 21 and an abutment portion 22 disposed around the sleeve portion 21. The sleeve portion 21 is movably sleeved on the guide member 17 in the vertical direction, and the abutment portion 22 is used for sealing connection with the upper housing 15. The arrangement of sleeve portion 21 on the guide member 17 is beneficial to improving the stability of the movement of sleeve portion 21 on the guide member 17.

[0103] In some other embodiments of this disclosure, the movable member 2 may include a plug-in portion and an abutment portion 22, and the guide member 17 includes a guide hole, wherein the plug-in portion is movably inserted into the guide hole.

[0104] In addition, to further improve the guiding stability of the guide member 17, the cross section of the guide member 17 can be set to be a cross-shaped cross section, and the cross section of the cavity inside the sleeve part 21 can be adapted to the cross section of the guide member 17.

[0105] The drainage structure 100 can be installed in any part of the vehicle with a drainage port 210, such as the door 200, the vehicle body floor, etc.

[0106] In applications where the drainage structure 100 is located on the door 200, the drainage structure 100 is located on the corresponding outer door panel 260 or inner door panel 250. For cases where the drainage outlet 210 is located on the outer door panel 260, for example, in a door 200 where the outer door panel 260 wraps around the inner door panel 250 (i.e., the edge of the outer door panel 260 folds inward at the bottom of the door 200 to wrap around the edge of the inner door panel 250), the drainage outlet 210 is located at the bottom of the outer door panel 260, and the drainage structure 100 is located on the outer door panel 260. Similarly, in a door 200 where the inner door panel 250 wraps around the outer door panel 260 (i.e., the edge of the inner door panel 250 folds outward at the bottom of the door 200 to wrap around the edge of the outer door panel 260), the drainage outlet 210 is located at the bottom of the inner door panel 250, and the drainage structure 100 is located on the inner door panel 250.

[0107] like Figure 7 As shown, according to a second aspect of this disclosure, a door assembly is also provided, the door assembly including a door 200 and the above-mentioned drainage structure 100, the housing 1 and the door 200 being sealed together, the door 200 including a drainage port 210, the drainage port 210 being connected to the outside through a drainage channel 11.

[0108] The drainage channel 11 of the drainage structure 100 is connected to the drainage port 210 of the door 200. When the movable part 2 is in the sealed position, the drainage channel 11 and the drainage port 210 are not connected. The movable part 2 can prevent liquid from entering the drainage port 210 through the drainage channel 11, thereby avoiding backflow of liquid into the drainage port 210 and the problem of water entering the passenger compartment caused by liquid accumulation inside the door due to backflow. When the movable part 2 is in the open position, the drainage channel 11 is connected to the drainage port 210, allowing liquid inside the door (such as rainwater entering the cavity 220 through the window) to be discharged to the outside through the drainage port 210 and the drainage channel 11. This can prevent damage to the door 200 caused by liquid accumulation inside the drainage port 210, such as corrosion of the metal structural parts of the door 200, damage to the window lift motor, generation of odors, or growth of bacteria. The door assembly disclosed herein has both drainage and backflow prevention functions, which can meet a wide range of vehicle usage scenarios.

[0109] like Figure 9 As shown, the car door may include an inner door panel 250 and an outer door panel 260. If the drain outlet 210 is located in the inner door panel 250, the drain structure 100 may be located in the inner door panel 250. If the drain outlet 210 is located in the outer door panel 260, the drain structure 100 may be located in the outer door panel 260.

[0110] In some embodiments of this disclosure, the drain structure 100 is configured as a one-way valve. The drain structure 100 allows liquid from the drain port 210 to be discharged through the drain channel 11, while blocking liquid from entering the drain port 210 through the drain channel 11. In this way, it is possible to control the opening and closing of the drain port 210 without additional components (such as a controller). This simplifies the design of the drain structure 100 and improves the reliability of the opening and closing of the drain port 210.

[0111] In some embodiments of this disclosure, such as Figures 5 to 8 As shown, the outer door panel 260 may be provided with a mounting protrusion 230, a drain outlet 210 is provided on the mounting protrusion 230, and a sleeve portion 12 is fitted onto the mounting protrusion 230. By providing the mounting protrusion 230, on the one hand, it facilitates the positioning and installation between the sleeve portion 12 and the outer door panel 260, improving the efficiency of the installation operation. On the other hand, the inner side wall of the sleeve portion 12 is fitted onto the mounting protrusion 230, and there is at least partial overlap between the inner side wall of the sleeve portion 12 and the outer side wall of the mounting protrusion 230. This allows for improved sealing between the outer shell 1 and the door 200 by reasonably designing the shape and size of the mounting protrusion 230 or by using clamping methods such as clamps.

[0112] Furthermore, in the embodiment with the snap-fit ​​part 13, the drain structure 100 is disposed on the outer side of the door outer panel 260, the mounting protrusion 230 faces the outer side of the door outer panel 260, and the drain port 210 is disposed on the mounting protrusion 230, which allows the portion of the cavity 220 that communicates with the drain port 210 to have a larger size. The snap-fit ​​part 13 is connected to the door outer panel 260 through the drain port 210. The larger size of the cavity 220 is beneficial for the installation operation of the snap-fit ​​part 13 snapping onto the door outer panel 260.

[0113] In some embodiments of this disclosure, such as Figure 5 and Figure 8 As shown, an annular plane 240 is provided in the part where the side wall of the cavity 220 engages with the door claw 131. The side of the door claw 131 away from the first end 1311 is set as a plane. When the door claw 131 engages with the inner cavity side wall, there is a large contact area between one end of the door claw 131 and the annular plane 240, which can reduce the stress on the contact surface and help improve the stability of long-term use.

[0114] According to a third aspect of this disclosure, a vehicle is also provided, which includes the aforementioned door assembly or the aforementioned drainage structure 100. This vehicle possesses all the beneficial effects of the aforementioned door assembly or drainage structure 100, which will not be elaborated further here.

[0115] The preferred embodiments of this disclosure have been described in detail above with reference to the accompanying drawings. However, this disclosure is not limited to the specific details of the above embodiments. Within the scope of the technical concept of this disclosure, various simple modifications can be made to the technical solutions of this disclosure, and these simple modifications all fall within the protection scope of this disclosure.

[0116] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, this disclosure will not describe the various possible combinations separately.

[0117] Furthermore, various different embodiments of this disclosure can be combined in any way, as long as they do not violate the spirit of this disclosure, they should also be regarded as the content disclosed in this disclosure.

Claims

1. A drainage structure, characterized in that, include: The housing is adapted to be sealed to the door, and a drain channel is provided inside the housing for communicating with the drain port of the door. and A movable component is movably disposed within the housing, and the movable component has a sealed position and an open position. In the open position, the drain channel is connected to the drain port, and in the sealed position, the drain channel is not connected to the drain port.

2. The drainage structure according to claim 1, characterized in that, The drainage structure also includes a first seal, and the housing is adapted to be sealed to the vehicle door via the first seal.

3. The drainage structure according to claim 2, characterized in that, The outer casing includes a sleeve portion that is open at one end, and the first sealing member is disposed at the open end of the sleeve portion; The sleeve portion is adapted to be sealed to the vehicle door via the first sealing element and communicate with the drain port.

4. The drainage structure according to claim 3, characterized in that, The sleeve portion is provided with a snap-fit ​​part; The locking part engages with the vehicle door via the drain port.

5. The drainage structure according to claim 4, characterized in that, The latching part includes a door latch, which is used to latch into the cavity of the door.

6. The drainage structure according to claim 5, characterized in that, In the height direction of the door, the snap-fit ​​part is configured to snap into the middle of the drain port.

7. The drainage structure according to claim 4, characterized in that, The outer casing is provided with a first limiting part, which is used to insert into the drain port and to abut against the side wall of the drain port.

8. The drainage structure according to any one of claims 1-7, characterized in that, The movable component is configured to move upward under the buoyancy of the liquid to switch from the open position to the sealed position, and to move downward under gravity to switch from the sealed position to the open position.

9. The drainage structure according to any one of claims 1-7, characterized in that, The drainage structure further includes a second sealing element, which is disposed inside the housing. In the sealed position, the movable element is sealed to the housing through the second sealing element to seal the drainage channel.

10. The drainage structure according to any one of claims 1-7, characterized in that, The outer casing includes a connected upper casing and a lower casing; The drainage channel includes a first drainage channel located inside the upper housing and a second drainage channel located inside the lower housing; The upper housing is used for sealing connection with the vehicle door. The upper housing is provided with a communication port for connecting the first drainage channel and the second drainage channel. The lower housing is provided with a leakage port that communicates with the second drainage channel. The movable component is configured to move up and down to close or open the communication port.

11. The drainage structure according to claim 10, characterized in that, The movable component is configured to move upward under the buoyancy of the liquid to seal the communication port, and to move downward under gravity to open the communication port.

12. The drainage structure according to claim 10, characterized in that, The drainage structure also includes a second sealing element, through which the movable element is sealed to the upper housing to seal the communication port.

13. The drainage structure according to claim 10, characterized in that, A guide is provided inside the lower housing, and the movable part is movably sleeved on the guide in the vertical direction.

14. The drainage structure according to claim 10, characterized in that, The upper housing and the lower housing are detachably connected.

15. A door assembly, characterized in that, Includes a door and a drainage structure according to any one of claims 1-14; The outer shell is sealed to the vehicle door, and the vehicle door includes a drain outlet, which is connected to the outside through the drain channel.

16. A vehicle, characterized in that, Includes the door assembly according to claim 15, or the drainage structure according to any one of claims 1-14.

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