An inner water-cutting assembly for a car door, a car door, and a vehicle.

By setting up a reinforcing and guiding structure at the inner water-cutting angle, the problem of difficulty in fitting the inner water-cutting angle to the inner panel of the door was solved, resulting in cost reduction and improved production efficiency, while also improving the aesthetics and NVH performance of the door.

CN116834527BActive Publication Date: 2026-05-26CHONGQING CHANGAN AUTOMOBILE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CHONGQING CHANGAN AUTOMOBILE CO LTD
Filing Date
2023-06-19
Publication Date
2026-05-26

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Abstract

This application provides an inner water-cutting assembly for a vehicle door, a vehicle door, and a vehicle. The inner water-cutting assembly is disposed on the inner panel of the vehicle door. The inner water-cutting assembly includes an inner water-cutting body and an inner water-cutting corner. At least one end of the inner water-cutting body is provided with an inner water-cutting corner, which is provided with a reinforcing structure. The reinforcing structure is used to ensure that at least the edge of the inner water-cutting corner fits snugly against the inner panel of the vehicle door. The inner water-cutting assembly of this application can improve the situation where the inner water-cutting corner deforms, and can effectively transfer the tension force at the connection between the inner water-cutting corner and the inner panel of the vehicle door to the edge of the inner water-cutting corner, thereby allowing the inner water-cutting corner to fit snugly against the inner panel of the vehicle door, improving the overall aesthetics and NVH performance of the vehicle door. In addition, it is not necessary to apply double-sided tape between the edge of the inner water-cutting corner and the inner panel of the vehicle door to achieve a better fit, thereby reducing costs, reducing operator assembly movements, and improving production efficiency.
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Description

Technical Field

[0001] This application relates to the field of vehicle technology, and in particular to an internal water-cutting assembly for a vehicle door, a vehicle door, and a vehicle. Background Technology

[0002] As a crucial component of a vehicle, the door provides a passage for passengers to enter and exit the vehicle, while also serving to insulate against the external environment, mitigate side impacts, and protect occupants. The water-resistant structure of the door typically seals the gap between the car glass and the door to prevent leaks, while also enhancing the aesthetics of the car's interior and exterior.

[0003] In related technologies, the edge of the inner water-cutting corner of the water-cutting structure is glued to the car door sheet metal with double-sided adhesive, which has the problems of high cost and low production efficiency. Summary of the Invention

[0004] In view of this, the embodiments of this application aim to provide an inner water-cutting component for a car door, a car door, and a vehicle, which can reduce costs and improve production efficiency.

[0005] To achieve the above objectives, this application provides an internal water-cutting assembly, which is disposed on the inner panel of the vehicle door. The internal water-cutting assembly includes an internal water-cutting body and an internal water-cutting corner.

[0006] The inner water-cutting body has at least one end provided with the inner water-cutting angle, and the inner water-cutting angle is provided with a reinforcing structure, which is used to make at least the edge of the inner water-cutting angle fit with the inner panel of the door.

[0007] In some embodiments, the reinforcing structure includes a first reinforcing rib formed on one side of the inner water cut-off angle, the first reinforcing rib being disposed at the edge of the inner water cut-off angle and extending along the contour of the inner water cut-off angle.

[0008] In some embodiments, the inner water cut-off corner is provided with a water-blocking rib and a drain outlet. The water-blocking rib extends along the height direction of the inner water cut-off corner, and the liquid entering between the inner water cut-off corner and the inner door panel can be guided to the drain outlet through the water-blocking rib and discharged through the drain outlet.

[0009] In some embodiments, the inner water cut-off angle includes a bubble tube portion for wrapping a first seal of the door, the bubble tube portion extending along the height direction of the inner water cut-off angle, and the wall thickness of the bubble tube portion being at least less than the wall thickness of the area of ​​the inner water cut-off angle located on the periphery of the bubble tube portion.

[0010] In some embodiments, the inner water cut-off corner is provided with a limiting rib, which is located at one end of the bubble tube near the inner water cut-off body, and the limiting rib is used to abut against the interior trim of the door.

[0011] In some embodiments, a second reinforcing rib is provided on the side of the inner water cutting angle away from the limiting rib, and the second reinforcing rib is located at least between the limiting rib and the bubble tube portion.

[0012] This application also provides a vehicle door, including:

[0013] Inner door panel;

[0014] The aforementioned internal water-cutting assembly is disposed on the inner door panel, and the reinforcing structure is disposed on the side of the internal water-cutting angle facing the inner door panel and located at the edge of the internal water-cutting angle;

[0015] The door glass, wherein the inner water-cutting assembly is located on one side of the door glass and abuts against the door glass.

[0016] In some embodiments, the reinforcing structure is clearance-fitted with the inner door panel.

[0017] In some embodiments, the inner door panel has a first curved section, the inner water-cutting corner has a second curved section adapted to the first curved section, and the reinforcing structure is disposed on the second curved section.

[0018] In some embodiments, the inner water cut-off angle includes a connecting segment attached to the top of the second curved segment, the connecting segment engaging with the inner door panel.

[0019] In some embodiments, the door includes an outer water cutter assembly abutting against the door glass, at least a portion of the outer water cutter assembly being located on the side of the door glass opposite to the inner water cutter assembly, the outer water cutter assembly being provided with a mounting groove, and the top of the inner water cutter corner being provided with a guide structure, the inner water cutter corner being inserted into the mounting groove through the guide structure.

[0020] In some embodiments, the door includes a first seal, at least a portion of which extends along the height direction of the door;

[0021] A portion of the inner water cut-off angle protrudes away from the inner door panel to form a bubble tube. The bubble tube extends along the height direction of the door and wraps around the top of the first seal and seals with the first seal. The wall thickness of the bubble tube is at least less than the wall thickness of the area of ​​the inner water cut-off angle located on the periphery of the bubble tube.

[0022] In some embodiments, the door includes an interior trim piece disposed on the inner panel of the door, the interior trim piece being located at one end of the inner water-cutting corner facing the inner water-cutting body and being in a sealing fit with the inner water-cutting corner;

[0023] The inner water cut-off corner is provided with a limiting rib, which is located at one end of the bubble tube section near the inner water cut-off body. The interior trim abuts against the side of the limiting rib away from the bubble tube section.

[0024] This application also provides a vehicle, including a body and the aforementioned door, the door being disposed on the body.

[0025] The inner water-cutting assembly for a car door provided in this application includes an inner water-cutting body and an inner water-cutting corner. The inner water-cutting corner is provided with a reinforcing structure, which is used to ensure that at least the edge of the inner water-cutting corner fits snugly against the inner door panel. It is understood that due to the large size of the inner water-cutting corner, the connection point between the inner water-cutting corner and the inner door panel is far from the edge, causing the edge of the inner water-cutting corner to not fit effectively against the inner door panel. The inner water-cutting assembly in this application provides a reinforcing structure at the inner water-cutting corner. This reinforcing structure improves the strength of the inner water-cutting corner, which can, to some extent, mitigate deformation of the inner water-cutting corner. Furthermore, it can effectively transfer the tension force at the connection point between the inner water-cutting corner and the inner door panel to the edge of the inner water-cutting corner, thereby allowing the inner water-cutting corner to fit better against the inner door panel, improving the overall aesthetics and NVH performance of the car door. In addition, it is not necessary to apply double-sided tape between the edge of the inner water-cooling corner and the inner door panel in order to make the inner water-cooling corner fit better with the inner door panel. This reduces costs, reduces the number of assembly actions for operators, and thus improves production efficiency. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the structure of a car door in one embodiment of this application;

[0027] Figure 2 for Figure 1 Enlarged view of point D in the middle;

[0028] Figure 3 for Figure 2 A cross-sectional view along the AA direction;

[0029] Figure 4 for Figure 3 Enlarged view at point E in the middle;

[0030] Figure 5 for Figure 2 Cross-sectional view along the BB direction;

[0031] Figure 6 for Figure 2 A cross-sectional view along the CC direction;

[0032] Figure 7 This is a schematic diagram of the internal water-cutting component in one embodiment of this application;

[0033] Figure 8 for Figure 7 Enlarged view of point F in the middle.

[0034] Explanation of reference numerals in the attached figures

[0035] 10. Internal water-cutting assembly; 11. Internal water-cutting corner; 11a. Reinforcing structure; 11b. Water-blocking rib; 11c. Drain outlet; 11d. Bubble tube section; 11e. Limiting rib; 11f. Second reinforcing rib; 11h. Guide structure; 11n. Buckle; 111. Second bending section; 112. Connecting section; 12. Internal water-cutting body; 20. Inner door panel; 20a. First bending section; 20b. Slot; 30. Door glass; 40. External water-cutting assembly; 40a. Mounting groove; 50. First seal; 60. Second seal; 70. Interior trim; 80. Outer door panel; 90. Door frame sealing strip; 100. Door. Detailed Implementation

[0036] The embodiments of this application will be described below with reference to the accompanying drawings and preferred embodiments. Those skilled in the art can easily understand other advantages and effects of this application from the content disclosed in this specification. This application can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this application. It should be understood that the preferred embodiments are only for illustrating this application and are not intended to limit the scope of protection of this application.

[0037] It should be noted that the illustrations provided in the following embodiments are only schematic representations of the basic concept of this application. Therefore, the drawings only show the components related to this application and are not drawn according to the actual number, shape and size of the components in the actual implementation. In the actual implementation, the form, quantity and proportion of each component can be arbitrarily changed, and the layout of the components may also be more complex.

[0038] It should be noted that, unless otherwise specified, the embodiments and technical features in the embodiments of this application can be combined with each other, and the detailed descriptions in the specific implementation should be understood as explanations of the purpose of this application and should not be regarded as undue limitations on this application.

[0039] In the description of the embodiments of this application, it should be noted that the terms "upper," "lower," "top," "bottom," etc., indicate the orientation or positional relationship based on the appendix. Figure 1The orientations or positional relationships shown are for the convenience of describing the embodiments of this application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the embodiments of this application. The application will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0040] This application provides a vehicle; please refer to the embodiments described herein. Figure 1 The vehicle body includes the vehicle body and the door 100 provided in any embodiment of this application, wherein the door 100 is disposed on the vehicle body.

[0041] As an important component of a vehicle, the door 100 provides a passage for passengers to enter and exit the vehicle, while also serving to isolate the external environment, reduce side impacts, and protect passengers.

[0042] This application provides a vehicle door; please refer to [link / reference]. Figures 1 to 8 It includes the inner door panel 20, the door glass 30, and the inner water-cutting assembly 10 provided in any embodiment of this application.

[0043] For example, please refer to Figures 1 to 4 The door 100 also includes an outer door panel 80 and an outer water-cutting assembly 40, the outer water-cutting assembly 40 being disposed on the outer door panel 80.

[0044] It should be noted that, based on whether there are window frames on the inner door panel 20 and the outer door panel 80, the car door 100 can be roughly divided into two types: framed car door 100 and frameless car door 100. Compared to the traditional framed car door 100, the frameless car door 100 eliminates the door frame between the door glass 30 and the car body; only the lower part of the door glass 30 is connected to the car door 100. This type of car door 100 offers excellent visual appeal and a wide field of vision, and has been used in some high-end models. For example, the car door 100 described in this application embodiment is a frameless car door 100.

[0045] For example, the inner door panel 20 and the outer door panel 80 are, for example, sheet metal parts.

[0046] The inner water cutter assembly 10 is disposed on the inner panel 20 of the door, and the inner water cutter assembly 10 is located on one side of the door glass 30 and abuts against the door glass 30. At least a portion of the outer water cutter assembly 40 is located on the side of the door glass 30 away from the inner water cutter assembly 10, that is, the inner water cutter assembly 10 and the outer water cutter assembly 40 are disposed on both sides of the door glass 30.

[0047] This application provides an inner water-cutting assembly for a vehicle door. The inner water-cutting assembly 10 is disposed on the inner panel 20 of the vehicle door 100. The inner water-cutting assembly 10 includes an inner water-cutting body 12 and an inner water-cutting corner 11. At least one end of the inner water-cutting body 12 is provided with an inner water-cutting corner 11, and the inner water-cutting corner 11 is provided with a reinforcing structure 11a. The reinforcing structure 11a is used to make at least the edge of the inner water-cutting corner 11 fit against the inner panel 20 of the vehicle door.

[0048] For example, the inner water-cutting body 12 and the inner water-cutting corner 11 are integral structures, such as integral injection molding. The integral inner water-cutting body 12 and the inner water-cutting corner 11 can reduce the number of parts, reduce assembly time, and improve assembly efficiency.

[0049] Of course, the inner water-cutting body 12 and the inner water-cutting joint 11 can also be a separate structure.

[0050] It should be noted that at least one end of the inner water cutting body 12 is provided with an inner water cutting angle 11. This can be either one end of the inner water cutting body 12 or both ends of the inner water cutting body 12 are provided with an inner water cutting angle 11.

[0051] In order to better fit the inner water-cutting corner 11 with the inner door panel 20, the inner water-cutting corner 11 is provided with a reinforcing structure 11a. The top of the inner water-cutting corner 11 is connected to the inner water-cutting body 12. By providing a reinforcing structure 11a on the inner water-cutting corner 11, the strength of the edge of the inner water-cutting corner 11 can be improved, and the inner water-cutting corner 11 can be prevented from deforming and warping.

[0052] It should be noted that the specific location of the reinforcing structure 11a on the inner water cut-off corner 11 is not limited here. For example, the reinforcing structure 11a can be set at the edge of the inner water cut-off corner 11. Of course, other areas of the inner water cut-off corner 11 can also be provided with reinforcing structures 11a to improve the strength of other areas of the inner water cut-off corner 11 or to improve the overall strength of the inner water cut-off corner 11.

[0053] The reinforcement structure 11a is used to make at least the edge of the inner water-cutting angle 11 fit with the inner door panel 20. This means that it can at least make the edge of the inner water-cutting angle 11 fit better with the inner door panel 20. That is, it can make the edge of the inner water-cutting angle 11 fit with the inner door panel 20, and also make the area of ​​the inner water-cutting angle 11 other than the edge fit with the inner door panel 20.

[0054] The inner water-cutting angle 11 is used to connect and match the door glass 30 with the door outer panel 80, door inner panel 20, and other components of the door 100 located around the inner water-cutting angle 11. It serves to conceal and beautify unsightly areas such as gaps and steps between the door glass 30 and the door outer panel 80, door inner panel 20, and other components of the door 100 located around the inner water-cutting angle 11, while also effectively providing a seal. This area has defects such as steps, burrs, weld points, and deformation, and needs to match multiple components. This requires the inner water-cutting angle 11 to adapt to the complex fit relationships of the surrounding parts, and to absorb the manufacturing and assembly tolerances of the surrounding components. This places higher demands on the ease of assembly, appearance, and sealing of the inner water-cutting angle 11.

[0055] Because the inner water-cutting angle 11 has a relatively large external dimension, the connection point between the inner water-cutting angle 11 and the inner door panel 20 is far from the edge. This results in the edge of the inner water-cutting angle 11 not effectively fitting against the inner door panel 20, thus affecting the overall aesthetics and NVH performance of the door 100. In related technologies, the inner water-cutting angle is only designed to interfere with the inner door panel at its edge. When the inner water-cutting angle and the inner door panel experience fluctuations or deformations, the edge of the inner water-cutting angle cannot fit against the inner door panel, and may even create gaps, thereby affecting the appearance quality and NVH performance. In addition, to achieve a better fit between the edge of the inner water-cutting angle and the inner door panel, double-sided tape is applied between the edge of the inner water-cutting angle and the inner door panel. This increases costs and also increases the assembly work for operators, reducing production efficiency.

[0056] The inner water-cutting assembly for the car door provided in this application embodiment includes an inner water-cutting body 12 and an inner water-cutting corner 11. The inner water-cutting corner 11 is provided with a reinforcing structure 11a, which is used to make at least the edge of the inner water-cutting corner 11 fit against the inner panel 20 of the car door. It is understandable that, due to the large external dimensions of the inner water-cutting corner 11, the connection point between the inner water-cutting corner 11 and the inner door panel 20 is far from the edge, causing the edge of the inner water-cutting corner 11 to not effectively fit with the inner door panel 20. In this embodiment, the inner water-cutting component 10 provides a reinforcing structure 11a on the inner water-cutting corner 11. This reinforcing structure 11a is used to improve the strength of the inner water-cutting corner 11, which can improve the deformation of the inner water-cutting corner 11 to a certain extent, and can effectively transfer the tension force at the connection point between the inner water-cutting corner 11 and the inner door panel 20 to the edge of the inner water-cutting corner 11 to a certain extent, thereby making the inner water-cutting corner 11 fit better with the inner door panel 20, improving the overall aesthetics and NVH performance of the door 100. In addition, it is not necessary to apply double-sided tape between the edge of the inner water-cutting corner 11 and the inner door panel 20 in order to make the inner water-cutting corner 11 fit better with the inner door panel 20. This reduces costs, reduces the operator's assembly movements, and thus improves production efficiency.

[0057] NVH performance refers to noise, vibration, and harshness. This is a comprehensive issue that measures the quality of automobile manufacturing, and it is the most direct and superficial impression given to car users.

[0058] In related technologies, for aesthetic purposes, the top of the inner water-cutting corner is inserted into the mounting groove of the outer water-cutting component. This mounting groove, for example, is a U-shaped groove. Due to limited space, after the inner water-cutting component is assembled, it is difficult for the mounting groove of the outer water-cutting component to fit snugly into the top of the inner water-cutting corner. This requires assembly workers to perform additional steps to re-insert the top of the inner water-cutting corner into the mounting groove of the outer water-cutting component, reducing production efficiency. There is also a possibility of incomplete assembly, affecting the appearance and increasing the risk of leakage.

[0059] For the vehicle door in this embodiment, please refer to... Figures 1 to 4 The assembly includes an outer water-cutting component 40 that abuts against the door glass 30. At least a portion of the outer water-cutting component 40 is located on the side of the door glass 30 opposite to the inner water-cutting component 10. The outer water-cutting component 40 is provided with a mounting groove 40a, and a guide structure 11h is provided at the top of the inner water-cutting corner 11. The inner water-cutting corner 11 is inserted into the mounting groove 40a through the guide structure 11h. In other words, by providing the guide structure 11h at the top of the inner water-cutting corner 11, during assembly, the mounting groove 40a of the outer water-cutting component 40 is guided by the guide structure 11h and snaps into the top of the inner water-cutting corner 11, thereby avoiding incomplete assembly to a certain extent and improving production efficiency.

[0060] The guide structure 11h makes it easier for workers to insert the mounting slot 40a of the outer water-cutting assembly 40 into the top of the inner water-cutting corner 11 without having to spend time checking for proper assembly or performing secondary assembly. This improves production efficiency while ensuring appearance quality.

[0061] It should be noted that the guide structure 11h is not limited here. For example, the guide structure 11h is a guide surface formed at the top of the inner water-cutting angle 11.

[0062] It should be noted that the specific structural form of the reinforcing structure 11a is not limited here. For example, in some embodiments, please refer to [link / reference needed]. Figure 2 , Figure 3 and Figure 8The reinforcing structure 11a includes a first reinforcing rib formed on one side of the inner water-cut corner 11. By providing a first reinforcing rib on one side of the inner water-cut corner 11, the structure is simple and easy to form, which can improve the strength of the inner water-cut corner 11, improve the situation of deformation of the inner water-cut corner 11, and to a certain extent, effectively transfer the tension force at the connection between the inner water-cut corner 11 and the inner door panel 20 to the edge of the inner water-cut corner 11.

[0063] It should be noted that the number of first reinforcing ribs can be one or more. In the embodiments of this application, "multiple" means that the number includes two or more.

[0064] It should be noted that the specific location of the first reinforcing rib on the inner water cut-off corner 11 is not limited here. For example, the first reinforcing rib can be set at the edge of the inner water cut-off corner 11. Of course, the first reinforcing rib can also be set in other areas of the inner water cut-off corner 11 to improve the strength of other areas of the inner water cut-off corner 11 or to improve the overall strength of the inner water cut-off corner 11.

[0065] For example, the first reinforcing rib is disposed at the edge of the inner water-cutting angle 11 and extends along the contour of the inner water-cutting angle 11, which is more conducive to improving the structural strength at the edge of the inner water-cutting angle 11 and effectively transferring the tension force at the connection between the inner water-cutting angle 11 and the inner door panel 20 to the edge of the inner water-cutting angle 11, thereby facilitating a better fit between the edge of the inner water-cutting angle 11 and the inner door panel 20.

[0066] For example, please refer to Figure 2 and Figure 3 The reinforcing structure 11a is located on the side of the inner water-cutting angle 11 facing the inner door panel 20 and at the bottom of the inner water-cutting angle 11. This helps to effectively transfer the tension at the connection between the inner water-cutting angle 11 and the inner door panel 20 to the edge of the inner water-cutting angle 11, thereby making the inner water-cutting angle 11 and the inner door panel 20 fit better.

[0067] Of course, in other embodiments, the reinforcing structure 11a may also be provided on the side of the inner water cut-off angle 11 away from the inner door panel 20.

[0068] For example, please refer to Figure 2 and Figure 3The reinforcement structure 11a is designed to fit the inner door panel 20 with a gap. This gap allows the reinforcement structure 11a to absorb manufacturing errors between the inner water-cut corner 11 and the inner door panel 20, preventing them from contacting each other. This avoids the edge of the inner water-cut corner 11 from lifting due to contact, which would cause the edge of the inner water-cut corner 11 to not fit properly with the inner door panel 20 and affect the appearance quality.

[0069] For example, please refer to Figure 2 and Figure 3 The inner door panel 20 has a first curved section 20a, and the inner water-cutting angle 11 has a second curved section 111 that matches the first curved section 20a. In other words, in order to match the first curved section 20a formed by the inner door panel 20, the inner water-cutting angle 11 is correspondingly provided with a second curved section 111 that matches the first curved section 20a. That is, the inner water-cutting angle 11 is designed as a pre-bent shape, which allows the inner water-cutting angle 11 to fit more tightly with the inner door panel 20, avoiding gaps between the two that would affect the appearance quality.

[0070] The inner water-cutting angle 11 is designed with a pre-bent shape by providing a second bending section 111 that matches the first bending section 20a, so that the edge of the inner water-cutting angle 11 is pre-bent and tends to fit more closely to the inner door panel 20.

[0071] For example, please refer to Figure 2 and Figure 3 The inner water-cutting angle 11 includes a connecting section 112 connected to the top of the second curved section 111, and the connecting section 112 is snapped into the inner door panel 20. That is, the inner water-cutting angle 11 includes at least the connecting section 112 and the second curved section 111. The second curved section 111 can be angled to the connecting section 112 to fit the first curved section 20a. The inner water-cutting angle 11 is installed on the inner door panel 20 by snapping into the connecting section 112.

[0072] Specifically, please refer to Figures 2 to 4 The inner door panel 20 is provided with a slot 20b, and the connecting section 112 of the inner water cut-off corner 11 is provided with a buckle 11n. The buckle 11n cooperates with the slot 20b so that the inner water cut-off corner 11 is assembled on the inner door panel 20.

[0073] The inner water-cutting angle 11 is snapped into the slot 20b of the inner door panel 20 by the buckle 11n, so that the inner water-cutting angle 11 is assembled on the inner door panel 20. The inner water-cutting angle 11 is adapted to the first curved section 20a of the inner door panel 20 by setting the second curved section 111, so that the inner water-cutting angle 11 and the inner door panel 20 can fit more tightly. The reinforcing structure 11a is set in the second curved section 111, so that the tension at the connection between the connecting section 112 of the inner water-cutting angle 11 and the inner door panel 20 can be effectively transferred to the second curved section 111, thereby making the inner water-cutting angle 11 and the inner door panel 20 fit better.

[0074] For example, please refer to Figure 2 and Figure 5 The door 100 includes a first seal 50, at least a portion of which extends along the height of the door 100. The first seal 50 is, for example, a sealing strip, disposed at the edge of the door 100, and when the door 100 is closed, the first seal 50 forms a sealing fit with the vehicle body.

[0075] At least a portion of the first seal 50 extends along the height direction of the door 100, and the inner water-cutting angle 11 is used for direct sealing engagement with the first seal 50.

[0076] Specifically, please refer to Figure 2 and Figure 5 A portion of the inner water-cutting angle 11 protrudes away from the inner door panel 20 to form a bubble tube portion 11d. The bubble tube portion 11d extends along the height direction of the door 100, wraps around the top of the first seal 50, and seals with the first seal 50. That is, the top of the first seal 50 extends into the bubble tube portion 11d and seals with it. The bubble tube portion 11d is used to abut against the side panel of the vehicle body and seal the gap between the side panel of the vehicle body and the door 100.

[0077] In other words, the inner water-cutting angle 11 can seal and cooperate with the first seal 50, concealing and beautifying the first seal 50. In addition, the inner water-cutting angle 11 and the first seal 50 seal and cooperate to achieve a seal between the door 100 and the vehicle body when the door 100 is closed.

[0078] Please refer to Figure 2 and Figure 6The wall thickness L1 of the bubble tube portion 11d is at least less than the wall thickness L2 of the area around the bubble tube portion 11d located at the inner water cut-off angle 11. That is, the inner water cut-off angle 11 includes the bubble tube portion 11d for wrapping the first seal 50 of the door 100, the bubble tube portion 11d extends along the height direction of the inner water cut-off angle 11, and the wall thickness L1 of the bubble tube portion 11d is at least less than the wall thickness L2 of the area around the bubble tube portion 11d located at the inner water cut-off angle 11. By designing the wall thickness L1 of the bubble tube portion 11d of the inner water cut-off angle 11 to be thinner than the wall thickness L2 of other areas of the inner water cut-off angle 11, it is possible to ensure that the bubble tube portion 11d of the inner water cut-off angle 11 effectively overlaps with the first seal 50 to achieve a sealing fit between the inner water cut-off angle 11 and the first seal 50. At the same time, it can prevent the rebound force of the bubble tube portion 11d from being transmitted to other areas of the inner water cut-off angle 11 to a certain extent, thus avoiding the impact on the fit between the bubble tube portion 11d and the inner door panel 20 due to the rebound force generated on the area surrounding the bubble tube portion 11d of the inner water cut-off angle 11.

[0079] For example, please refer to Figure 2 and Figure 6 The door 100 includes an interior trim piece 70 disposed on the inner door panel 20. The interior trim piece 70 is located at one end of the inner water-cutting angle 11 facing the inner water-cutting body 12 and is sealed to the inner water-cutting angle 11. The interior trim piece 70 is, for example, an interior trim panel.

[0080] Please see Figure 2 and Figure 6 The inner water cut-off corner 11 is provided with a limiting rib 11e, which is located at one end of the bubble tube section 11d near the inner water cut-off body 12. The interior trim 70 abuts against the side of the limiting rib 11e away from the bubble tube section 11d.

[0081] In related technologies, when the car door is closed, the car body exerts a certain squeezing force on the foam tube towards the interior trim. In order to prevent the foam tube from deforming and shifting due to the squeezing of the car body when the car door is closed, thereby causing water leakage at the contact area between the car body and the foam tube at the inner water inlet.

[0082] In this embodiment, a limiting rib 11e is provided at one end of the bubble tube 11d near the inner water cutter body 12, that is, a limiting rib 11e is provided at the inner water cutter corner 11. The limiting rib 11e is located at one end of the bubble tube 11d near the inner water cutter body 12, and the limiting rib 11e is used to abut against the interior trim 70 of the door 100.

[0083] Please continue reading. Figure 2 and Figure 6The interior trim 70 abuts against the side of the limiting rib 11e away from the bubble tube 11d. When the door 100 is closed, the body will exert a certain squeezing force on the bubble tube 11d towards the interior trim 70. The abutment between the interior trim 70 and the limiting rib 11e away from the bubble tube 11d can, to a certain extent, prevent the bubble tube 11d from deforming and shifting due to the squeezing of the body, thereby improving the reliability of the sealing structure between the body and the inner water cut-off angle 11 in the area of ​​the bubble tube 11d.

[0084] Specifically, please refer to Figure 1 , Figure 2 and Figure 6 The vehicle body includes a second seal 60, which is located at the B-pillar of the vehicle body. The B-pillar is the pillar located between the front and rear doors, and the second seal 60 is mounted on the B-pillar. When the door 100 is closed, the second seal 60 exerts a certain compressive force on the bubble tube portion 11d towards the interior trim 70. The interior trim 70 abuts against the side of the limiting rib 11e away from the bubble tube portion 11d, which to a certain extent prevents the bubble tube portion 11d from deforming and shifting due to the pressure of the vehicle body. This improves the reliability of the sealing structure between the second seal 60 and the inner water-cutting angle 11 in the area of ​​the bubble tube portion 11d.

[0085] For example, please refer to Figure 2 and Figure 6 A second reinforcing rib 11f is provided on the side of the inner water cut-off angle 11 away from the limiting rib 11e. The second reinforcing rib 11f is located at least between the limiting rib 11e and the bubble tube portion 11d. In other words, by providing the second reinforcing rib 11f between the limiting rib 11e and the bubble tube portion 11d, the inner water cut-off angle 11 can be effectively supported, further improving the structural strength of the inner water cut-off angle 11. This further prevents the bubble tube portion 11d from deforming and shifting due to the pressure of the vehicle body, and further improves the reliability of the sealing structure between the vehicle body and the inner water cut-off angle 11 in the area of ​​the bubble tube portion 11d.

[0086] For example, please refer to Figure 1 , Figure 7 and Figure 8The inner water-cutting angle 11 is provided with a water-blocking rib 11b and a drain outlet 11c. The water-blocking rib 11b extends along the height direction of the inner water-cutting angle 11. Liquid entering between the inner water-cutting angle 11 and the inner door panel 20 can be guided to the drain outlet 11c via the water-blocking rib 11b, and discharged from the gap between the inner water-cutting angle 11 and the inner door panel 20 via the drain outlet 11c. In this way, liquid entering the inner water-cutting angle 11 from outside the door 100 can flow along the water-blocking rib 11b, which can, to a certain extent, prevent liquid entering the inner water-cutting angle 11 from flowing to other parts of the vehicle interior. At the same time, by designing the drain outlet 11c in the inner water-cutting angle 11, liquid entering the inner water-cutting angle 11 can be guided to the drain outlet 11c via the water-blocking rib 11b, and discharged from the inner water-cutting angle 11 via the drain outlet 11c, thereby draining the liquid entering the inner water-cutting angle 11.

[0087] For example, please refer to Figure 1 , Figure 7 and Figure 8 The drain outlet 11c is located at the bottom of the inner water cut-off angle 11, and the drain outlet 11c is not easily exposed, thus improving the aesthetics of the appearance.

[0088] The inner water-cutting angle 11 of this embodiment is used to connect and match the door glass 30 with the inner door panel 20, outer door panel 80, interior trim 70, outer water-cutting assembly 40, first seal 50, and second seal 60. It serves to conceal and beautify unsightly areas such as gaps and steps between the door glass 30 and the inner door panel 20, outer door panel 80, interior trim 70, outer water-cutting assembly 40, first seal 50, and second seal 60, while also effectively providing a seal. This area has defects such as steps, burrs, weld points, and deformation, and needs to match multiple components. It also needs to absorb the manufacturing and assembly tolerances of surrounding parts, thus improving the assembly convenience, aesthetics, and sealing performance of the inner water-cutting angle 11.

[0089] For example, please refer to Figures 1 to 8 The inner water-cutting assembly 10 includes an inner water-cutting body 12 and an inner water-cutting corner 11. The front end of the top of the inner water-cutting corner 11 is connected to the inner water-cutting body 12, and the top of the inner water-cutting corner 11 extends into the mounting groove 40a on the bottom side of the outer water-cutting assembly 40. The edge of the inner water-cutting corner 11 is in contact with the inner panel 20 of the door. A bubble tube portion 11d is provided at the bottom of the inner water-cutting corner 11, and the first sealing member 50 can extend into the bubble tube portion 11d and seal with it. The front end of the inner water-cutting corner 11 overlaps with the interior trim 70 of the door 100, and the interior trim 70 presses on the front end of the inner water-cutting corner 11 and seals with it. When the door 100 is closed, the outer surface of the inner water-cutting corner 11 overlaps with the door frame sealing strip 90 and the second sealing member 60, which together seal with it to achieve the function of waterproofing, that is, to achieve a sealing fit between the door 100 and the body.

[0090] The inner water-cutting angle 11 of a car door 100 provided in this application embodiment not only improves the sealing and NVH performance requirements of the inner water-cutting angle 11 of the car door 100, but also better ensures the appearance quality of the inner water-cutting angle 11, thereby improving the overall appearance quality of the vehicle. It also improves production and assembly efficiency, avoiding difficulties in assembling the inner water-cutting angle 11. Furthermore, it increases the strength of the inner water-cutting angle 11 and improves its waterproof performance. It has stronger compatibility with surrounding components, better adapting to the tolerance accumulation caused by the manufacturing and assembly of surrounding components. In other words, the inner water-cutting angle 11 provided in this application embodiment can meet both the sealing performance requirements of the inner water-cutting angle 11 of the frameless car door 100 and its aesthetic appearance; it also solves the problem of difficult assembly of the inner water-cutting angle 11, improving production efficiency; and simultaneously solves the waterproofing and drainage problems of the inner water-cutting angle 11, improving NVH and waterproof performance.

[0091] In the description of this application, the references to terms such as "in one embodiment," "in some embodiments," "in other embodiments," "in yet another embodiment," or "exemplary," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the embodiments of this application. In this application, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. Furthermore, without contradiction, those skilled in the art can combine the different embodiments or examples described in this application, as well as the features of the different embodiments or examples.

[0092] The above description is merely a preferred embodiment of this application and is not intended to limit the application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application are included within the scope of protection of this application.

Claims

1. An inner water-cutting assembly for a vehicle door, characterized in that, The inner water-cutting assembly is disposed on the inner panel of the vehicle door, and the inner water-cutting assembly includes an inner water-cutting body and an inner water-cutting corner. At least one end of the inner water-cutting body is provided with the inner water-cutting joint angle, and the inner water-cutting joint angle is provided with a reinforcing structure. The reinforcing structure is used to make at least the edge of the inner water-cutting joint angle fit with the inner panel of the door. The reinforcing structure includes a first reinforcing rib formed on one side of the inner water cut-off angle, the first reinforcing rib being disposed at the edge of the inner water cut-off angle and extending along the contour of the inner water cut-off angle; The first reinforcing rib is disposed on the side of the inner water-cutting angle facing the inner door panel and is located at the bottom of the inner water-cutting angle, so that the tension at the connection between the inner water-cutting angle and the inner door panel is effectively transmitted to the edge of the inner water-cutting angle, and the first reinforcing rib is clearance-fitted with the inner door panel.

2. The internal water-cutting assembly according to claim 1, characterized in that, The inner water cut-off corner is provided with a water-blocking rib and a drain outlet. The water-blocking rib extends along the height direction of the inner water cut-off corner. Liquid entering between the inner water cut-off corner and the inner door panel can be guided to the drain outlet through the water-blocking rib and discharged through the drain outlet.

3. The internal water-cutting assembly according to claim 1, characterized in that, The inner water cut-off angle includes a bubble tube portion for wrapping the first seal of the door, the bubble tube portion extending along the height direction of the inner water cut-off angle, and the wall thickness of the bubble tube portion being at least less than the wall thickness of the area of ​​the inner water cut-off angle located on the periphery of the bubble tube portion.

4. The internal water-cutting assembly according to claim 3, characterized in that, The inner water cut-off corner is provided with a limiting rib, which is located at one end of the bubble tube near the inner water cut-off body. The limiting rib is used to abut against the interior trim of the car door.

5. The internal water-cutting assembly according to claim 4, characterized in that, A second reinforcing rib is provided on the side of the inner water cutting angle away from the limiting rib, and the second reinforcing rib is located at least between the limiting rib and the bubble tube.

6. A vehicle door, characterized in that, include: Inner door panel; The inner water-cutting assembly according to any one of claims 1-5, wherein the inner water-cutting assembly is disposed on the inner panel of the door, and the reinforcing structure is disposed on the side of the inner water-cutting corner facing the inner panel of the door, and is located at the edge of the inner water-cutting corner; The door glass, wherein the inner water-cutting assembly is located on one side of the door glass and abuts against the door glass.

7. The vehicle door according to claim 6, characterized in that, The reinforcing structure is fitted with the inner panel of the door with a clearance.

8. The vehicle door according to claim 6, characterized in that, The inner panel of the door has a first curved section, the inner water-cutting corner has a second curved section adapted to the first curved section, and the reinforcing structure is disposed on the second curved section.

9. The vehicle door according to claim 8, characterized in that, The inner water cut-off angle includes a connecting segment connected to the top of the second curved section, the connecting segment being snapped into the inner panel of the door.

10. The vehicle door according to claim 6, characterized in that, The vehicle door includes an outer water cutter assembly that abuts against the door glass. At least a portion of the outer water cutter assembly is located on the side of the door glass opposite to the inner water cutter assembly. The outer water cutter assembly is provided with a mounting groove. The top of the inner water cutter corner is provided with a guide structure. The inner water cutter corner is inserted into the mounting groove through the guide structure.

11. The vehicle door according to claim 6, characterized in that, The door includes a first seal, at least a portion of which extends along the height direction of the door. A portion of the inner water cut-off angle protrudes away from the inner door panel to form a bubble tube. The bubble tube extends along the height direction of the door and wraps around the top of the first seal and seals with the first seal. The wall thickness of the bubble tube is at least less than the wall thickness of the area of ​​the inner water cut-off angle located on the periphery of the bubble tube.

12. The vehicle door according to claim 11, characterized in that, The vehicle door includes an interior trim piece disposed on the inner panel of the vehicle door. The interior trim piece is located at one end of the inner water-cutting corner facing the inner water-cutting body and is sealed to the inner water-cutting corner. The inner water cut-off corner is provided with a limiting rib, which is located at one end of the bubble tube section near the inner water cut-off body. The interior trim abuts against the side of the limiting rib away from the bubble tube section.

13. A vehicle, characterized in that, It includes a vehicle body and a door as described in any one of claims 6-12, wherein the door is disposed on the vehicle body.