Vehicle door lower part sealing structure and vehicle

Abstract

The utility model provides a vehicle door lower portion sealing structure and a vehicle. The vehicle door lower portion sealing structure comprises a sealing assembly and an installation assembly. The sealing assembly comprises a sealing strip body and a sealing bubble pipe. The sealing bubble pipe is arranged on the face, close to the side skirt ornament, of the sealing strip body. The sealing strip body comprises a lap joint part and a mounting part, the lap joint part abuts against a car door inner plate, the mounting assembly is arranged on the mounting part, and the sealing strip body is arranged on a decorative plate inner plate through the mounting assembly; the sealing bubble tube comprises a lower sealing part and a contact part, the lower sealing part surrounds the lower part of the sealing strip body, and the contact part abuts against the side skirt ornament. The car door lower sealing structure can effectively prevent marl and the like from entering the lower area of a car door, the problem that trouser legs are rubbed by the marl when a passenger gets off the car is solved, and the problem that the marl enters the position between a car door metal plate and a decorative plate assembly and is inconvenient to clean or cannot be cleaned up is solved; meanwhile, the wind noise prevention performance and the door closing sound quality can be improved, and leakage of the vehicle door metal plate wrapping edge is avoided.

Description

Technical Field

[0001] The present application relates to the field of vehicle manufacturing technology, and in particular to a vehicle door lower sealing structure and a vehicle. Background Art

[0002] With the rapid development of the automotive industry, people's demands for vehicle performance and refined quality are increasing. The lower door seal, acting as a third, auxiliary seal in addition to the two main seals, not only protects against mud and dust, but also enhances wind noise and the sound quality of the door closing. It also effectively conceals the door sheet metal hemming, preventing leakage and enhancing the refined appearance.

[0003] However, the existing sealing structure at the bottom of the door is designed in the form of a cape lip, which easily generates resonance and causes abnormal noise when the door is closed. In addition, when the vehicle drives on muddy roads, mud and dust easily enter the lower area of ​​the door, causing the passengers' trouser legs to be scraped by mud and dust when getting off the vehicle, resulting in a reduced user experience.

[0004] Therefore, it is necessary to design a vehicle door lower sealing structure to solve the above problems. Utility Model Content

[0005] In view of this, in order to overcome the defects of the existing technology, the utility model provides a lower sealing structure for a vehicle door and a vehicle, which effectively solves the problem that the existing lower sealing structure of the vehicle door is designed in the form of a cloak lip, which is prone to resonance and abnormal noise when closing the door, and the lower area of ​​the vehicle door is prone to mud and dust, so that the trouser legs of the passengers will be scratched by mud and dust when getting off the vehicle, resulting in a reduced user experience.

[0006] According to the first aspect of the present invention, a lower door sealing structure is provided for a vehicle door, the door comprising a door inner panel, a decorative panel inner panel and a side skirt decorative piece, wherein the lower door sealing structure comprises a sealing assembly and an installation assembly; the sealing assembly comprises a sealing strip body and a sealing bubble tube, the sealing bubble tube being arranged on a side of the sealing strip body close to the side skirt decorative piece; the sealing strip body comprises an overlapping portion and an installation portion, the overlapping portion abuts the door inner panel, the installation assembly is arranged on the installation portion, and the sealing strip body is arranged on the decorative panel inner panel through the installation assembly; the sealing bubble tube comprises a lower sealing portion and a contact portion, the lower sealing portion surrounds the lower portion of the sealing strip body, and the contact portion abuts the side skirt decorative piece.

[0007] Preferably, the mounting portion includes a supporting boss and a connecting position, the supporting boss is arranged between the mounting portion and the overlapping portion, and the supporting boss is arranged on the side of the mounting portion facing the inner panel of the decorative panel; the connecting position is arranged on the side of the mounting portion facing the side skirt decorative component, and the connecting position and the supporting boss are arranged back to back.

[0008] Preferably, the sealing bubble tube includes a first connecting end and a second connecting end, the first connecting end is arranged at the connecting position, the second connecting end is arranged at the lower part of the sealing strip body, and the second connecting end forms the lower sealing part; a compression cavity is arranged between the sealing bubble tube and the sealing strip body.

[0009] Preferably, a compression bending portion is provided at the lower portion of the compression cavity, and the sealing bubble tube can be bent toward the inside of the compression cavity through the compression bending portion.

[0010] Preferably, the mounting assembly includes a plurality of mounting members, and the plurality of mounting members are sequentially and spaced apart from each other on the mounting portion; the interval between adjacent mounting members is 100 mm-120 mm.

[0011] Preferably, the mounting part includes a first connecting part, a transition part and a second connecting part, and the size of the transition part in the first direction is smaller than the size of the first connecting part in the first direction and the size of the second connecting part in the first direction; an installation cavity is provided inside the mounting part, the first connecting part is provided inside the installation cavity, and the second connecting part is provided in the installation hole of the inner plate of the decorative panel.

[0012] Preferably, a first limiting portion is provided at the connection between the first connecting portion and the transition portion, and the mounting member is clamped to the mounting cavity through the first limiting portion; a second limiting portion is provided at the connection between the second connecting portion and the transition portion, and the mounting member is clamped to the inner plate of the decorative panel through the second limiting portion.

[0013] Preferably, a deformation cavity is provided inside the second connection portion, and the second connection portion is installed in the installation hole of the inner plate of the decorative panel through the deformation cavity.

[0014] Preferably, the sealing strip body further includes an extension portion, and the mounting portion is connected to the overlapping portion via the extension portion; the length of the extension portion matches the length of the mounting portion.

[0015] According to a second aspect of the present invention, a vehicle is provided, wherein the vehicle includes the door lower sealing structure as described above.

[0016] According to the lower sealing structure of the vehicle door of the present invention, this structure has an excellent effect of blocking mud and dust. Through the cooperation of the sealing strip body of the sealing assembly and the sealing bubble tube, it can effectively prevent mud and dust from entering the lower area of ​​the vehicle door, effectively solving the problem of passengers' trouser legs rubbing against mud and dust when getting off the vehicle, which causes a decline in the user experience. It can also solve the problem of mud and dust entering between the vehicle door sheet metal and the decorative panel assembly and being inconvenient or impossible to clean. At the same time, it can further improve the wind noise protection performance and the quality of the door closing sound, and can also effectively block the leakage of the vehicle door sheet metal edging, thereby improving the exquisiteness of the appearance and improving the user experience of the passengers.

[0017] In order to make the above-mentioned objects, features and advantages of the present application more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 A schematic structural diagram of a vehicle door according to an embodiment of the present utility model is shown;

[0020] Figure 2 Showing the embodiment according to the present invention Figure 1 Cross-sectional view at AA;

[0021] Figure 3 A schematic structural diagram of a sealing assembly and a mounting assembly according to an embodiment of the present utility model is shown;

[0022] Figure 4 A schematic structural diagram of a sealing assembly according to an embodiment of the present utility model is shown;

[0023] Figure 5 Showing the embodiment according to the present invention Figure 2 Cross-sectional view at BB.

[0024] Figure markings: 1-sealing strip body; 101-overlapping part; 102-installing part; 103-supporting boss; 104-connecting position; 105-installing cavity; 106-extension part; 2-sealing bubble tube; 201-lower sealing part; 202-contact part; 203-first connecting end; 204-second connecting end; 205-compression cavity; 206-compression bending part; 3-installing part; 301-first connecting part; 302-transition part; 303-second connecting part; 304-first limiting part; 305-second limiting part; 306-deformation cavity; 4-door inner panel; 5-door outer panel; 6-decorative panel inner panel; 7-decorative panel outer panel; 8-side panel outer panel; 9-side skirt decorative part; 10-door body; S1-first direction. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the application for protection, but merely represents the selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without making creative work are within the scope of protection of this application.

[0026] In the description of the embodiments of the present application, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings, or are the orientation or positional relationship in which the product of the application is usually placed when in use. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, they should not be understood as limiting the present application. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description and should not be understood as indicating or implying relative importance.

[0027] Furthermore, terms such as "horizontal" and "vertical" do not necessarily mean that a component must be absolutely horizontal or overhanging, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but rather that it can be slightly tilted.

[0028] In the description of the embodiments of the present application, it should also be noted that, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0029] According to a first aspect of the present invention, a vehicle door lower sealing structure is provided, such as Figures 1 to 5 As shown, the vehicle door lower sealing structure includes a sealing component and a mounting component.

[0030] like Figure 1 As shown, the door lower sealing structure is used for the vehicle door body 10, and the lower part of the door body 10 is provided with a decorative panel assembly, which includes a decorative panel inner panel 6 and a decorative panel outer panel 7. Figure 2 As shown, the vehicle may further include a door inner panel 4, a door outer panel 5, a side outer panel 8 and a side skirt decorative member 9. The decorative panel outer panel 7, the decorative panel inner panel 6, the door outer panel 5, the door inner panel 4, the side skirt decorative member 9 and the side outer panel 8 are arranged along the vehicle body. Figure 2 The direction from left to right is set in sequence, Figure 2 The direction from left to right in the figure can also be understood as the direction extending from the exterior to the interior of the vehicle. The sealing assembly and the mounting assembly are arranged between the decorative panel inner plate 6 and the side skirt decorative member 9.

[0031] In the following description, reference will be made to Figures 1 to 5 The detailed structure of the sealing assembly and the mounting assembly of the door lower sealing structure is specifically described. In addition, in the description of the embodiment, a direction is also involved, namely the first direction S1, such as Figure 5 The first direction S1 shown can be understood as Figure 5 In the direction from right to left.

[0032] like Figures 2 to 4 As shown, in this embodiment, the sealing assembly may include a sealing strip body 1 and a sealing bubble tube 2. The sealing bubble tube 2 is disposed on the side of the sealing strip body 1 near the side skirt trim 9. The sealing strip body 1 can respectively abut the vehicle door outer panel 5 and the trim panel inner panel 6, while the sealing bubble tube 2 can respectively abut the trim panel inner panel 6 and the side skirt trim 9. The sealing strip body 1, as the main body of the sealing assembly, also provides a sealing function. The sealing bubble tube 2 surrounds the side of the sealing strip body 1 near the side skirt trim 9, providing auxiliary sealing and achieving moisture and dustproofing. It can also effectively reduce the sound when the vehicle door body 10 closes, improving the passenger experience.

[0033] Furthermore, the sealing strip body 1 may include an overlapping portion 101 and an installation portion 102. The overlapping portion 101 abuts the inner door panel 4. The installation assembly is arranged on the installation portion 102. The sealing strip body 1 is arranged on the inner decorative panel 6 through the installation assembly. The installation assembly can play an installation role and is used for the installation of the sealing assembly. The sealing bubble tube 2 includes a lower sealing portion 201 and a contact portion 202. The lower sealing portion 201 surrounds the lower portion of the sealing strip body 1, so that mud and dust cannot enter the lower portion of the sealing strip body 1, which can effectively prevent mud and dust from entering the lower area of ​​the door body 10, thereby preventing the passenger's trouser legs from rubbing against mud and dust when getting off the vehicle. The contact portion 202 abuts the side skirt decorative part 9. The contact portion 202 can effectively control the sound when the door body 10 is closed, and avoid resonance and abnormal noise when the door body 10 is closed.

[0034] The lower sealing structure of the vehicle door can effectively control the sound generated when the vehicle door body 10 is closed through the cooperation of the sealing component and the mounting component, and can also effectively prevent mud and dust from entering the lower area of ​​the vehicle door body 10.

[0035] Preferably, if Figures 2 to 4 As shown, in this embodiment, the mounting portion 102 may include a support boss 103 and a connection point 104. The support boss 103 is disposed between the mounting portion 102 and the overlapping portion 101, and is located on the side of the mounting portion 102 facing the inner decorative panel 6. The connection point 104 is located on the side of the mounting portion 102 facing the side skirt decorative element 9, with the connection point 104 and the support boss 103 facing each other. The connection point 104 is used to install and secure the sealed bubble tube 2, while the support boss 103 is used to support the mounting portion 102. At the same time, the mounting portion 102 abuts the inner decorative panel 6 through the support boss 103, providing a position limiting and securing function.

[0036] Preferably, if Figures 2 to 4 As shown, in this embodiment, the sealing bubble tube 2 may include a first connecting end 203 and a second connecting end 204. The first connecting end 203 is disposed at the connection position 104, and the second connecting end 204 is disposed at the lower portion of the sealing strip body 1. The second connecting end 204 defines a lower sealing portion 201. The sealing bubble tube 2 may be bonded to the sealing strip body 1 via the first and second connecting ends 203 and 204, or the sealing bubble tube 2 may be integrally formed with the sealing strip body 1. The second connecting end 204 can surround the lower portion of the sealing strip body 1, thereby effectively preventing mud and dust from entering the lower portion of the sealing strip body 1, thereby preventing mud and dust from entering the lower area of ​​the vehicle door body 10.

[0037] Preferably, if Figures 2 to 4As shown, in the embodiment, a compression cavity 205 is provided between the sealing bubble tube 2 and the sealing strip body 1. When the door body 10 is closed, the door body 10 squeezes the compression cavity 205 of the sealing bubble tube 2, and the compression cavity 205 can control the sound generated when the door body 10 is closed.

[0038] Preferably, if Figures 2 to 4 As shown, in this embodiment, a compression bending portion 206 is provided at the lower portion of the compression cavity 205, through which the sealing bubble tube 2 can be bent toward the interior of the compression cavity 205. When the vehicle door body 10 is closed, the contact portion 202 abuts the side skirt trim 9, and the sealing bubble tube 2 is subjected to a compressive force, causing the compression bending portion 206 to bend toward the interior of the compression cavity 205. This can effectively reduce the generation of resonance and avoid the generation of abnormal noise caused by resonance, thereby achieving a sound control effect.

[0039] Preferably, in an embodiment, the mounting assembly may include a plurality of mounting members 3, and the plurality of mounting members 3 are arranged in sequence and at intervals on the mounting portion 102. Since the sealing strip body 1 is relatively long, a plurality of mounting members 3 are required to achieve stable installation and connection. Furthermore, the interval between adjacent mounting members 3 is 100 mm-120 mm. Such an arrangement can ensure the stability of the connection while facilitating assembly.

[0040] Preferably, if Figure 5 As shown, in this embodiment, the mounting member 3 may include a first connecting portion 301, a transition portion 302, and a second connecting portion 303. The dimension of the transition portion 302 in the first direction S1 is smaller than the dimension of the first connecting portion 301 and the dimension of the second connecting portion 303 in the first direction S1. The first connecting portion 301 may be formed into a disc-shaped structure, which can be clamped to the mounting portion 102. The transition portion 302 may be formed into a cylindrical structure, with the two ends of the cylindrical structure respectively connecting the first connecting portion 301 and the second connecting portion 303. The second connecting portion 303 may be formed into a conical structure, with the ends of the conical structure being arc-shaped. The second connecting portion 303 can be clamped into the mounting hole of the inner panel 6 of the decorative panel to achieve installation.

[0041] Preferably, if Figure 4 As shown, in the embodiment, a mounting cavity 105 is provided inside the mounting portion 102 , and the first connecting portion 301 is provided inside the mounting cavity 105 . The mounting cavity 105 can be used to fix the mounting member 3 .

[0042] Preferably, if Figure 5As shown, in this embodiment, a first stopper 304 is provided at the connection between the first connecting portion 301 and the transition portion 302, and the mounting member 3 is engaged with the mounting cavity 105 via the first stopper 304. A second stopper 305 is provided at the connection between the second connecting portion 303 and the transition portion 302, and the mounting member 3 is engaged with the mounting hole of the inner panel 6 of the decorative panel via the second stopper 305.

[0043] Preferably, if Figure 5 As shown, in this embodiment, a deformation cavity 306 is provided inside the second connecting portion 303, and the second connecting portion 303 is mounted to the mounting hole of the inner panel 6 of the decorative panel through the deformation cavity 306. The transition portion 302 may also be provided with a deformation cavity 306 inside to assist the mounting member 3 in deforming. During installation, the mounting member 3 can enter the mounting hole of the inner panel 6 of the decorative panel through its own elastic deformation.

[0044] Preferably, if Figures 2 to 4 As shown, in an embodiment, the sealing strip body 1 may further include an extension portion 106, and the mounting portion 102 is connected to the overlapping portion 101 through the extension portion 106; the length of the extension portion 106 matches the length of the mounting portion 102, so that the overlapping portion 101 can abut against the vehicle door inner panel 4, thereby sealing the vehicle door inner panel 4 and the decorative panel inner panel 6.

[0045] Preferably, in the embodiment, the mounting member 3 may be a foam nail.

[0046] The assembly method of the lower sealing structure of the vehicle door is as follows: the sealing component is installed at the decorative panel assembly of the vehicle door body 10 through the mounting component. The sealing strip body 1 and the sealing bubble tube 2 of the sealing component are connected to each other to form an assembly component. The sealing strip body 1 of the sealing component can be fixedly installed on the decorative panel inner plate 6 through the mounting part 3. The mounting part 3 has a simple structure and is easy to install. The mounting part 3 is first installed in the mounting cavity 105 of the sealing strip body 1 through the first connecting part 301, and the interference fit connection method is used to effectively prevent the movement between the mounting part 3 and the sealing strip body 1. The sealing strip body 1 can be installed with multiple mounting parts 3 to ensure stability during installation. The interval between adjacent mounting parts 3 can be 100mm-120mm. Thereafter, the mounting part 3 is fixed in the mounting hole of the decorative panel inner plate 6 of the vehicle door body 10 through the second connecting part 303. After the overall installation is completed, it is as if Figure 2 shown.

[0047] The lower sealing structure of the door has an excellent effect of blocking mud and dust. Through the cooperation of the sealing strip body and the sealing bubble tube of the sealing assembly, it can effectively prevent mud and dust from entering the lower area of ​​the door, effectively solving the problem of passengers' trouser legs rubbing against mud and dust when getting off the car, which causes a decline in the user experience. It can also solve the problem of mud and dust entering between the door sheet metal and the decorative panel assembly, which is inconvenient or impossible to clean. At the same time, it can further improve the wind noise protection performance and the quality of the door closing sound, and can also effectively block the leakage of the door sheet metal edging, thereby enhancing the exquisiteness of the appearance and improving the user experience of the passengers.

[0048] Furthermore, according to a second aspect of the present invention, a vehicle is provided, comprising the above-described lower door sealing structure. During use, the lower door sealing structure effectively enhances the refined appearance, the quality of the door closing sound, and the user experience.

[0049] Finally, it should be noted that the above-described embodiments are only specific implementation methods of the present application, which are used to illustrate the technical solutions of the present application, rather than to limit them. The scope of protection of the present application is not limited thereto. Although the present application has been described in detail with reference to the above-described embodiments, those skilled in the art should understand that any person skilled in the art can modify or easily conceive of changes to the technical solutions described in the above-described embodiments within the technical scope disclosed in the present application, or perform equivalent replacements for some of the technical features thereof. These modifications, changes, or replacements do not deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be included in the scope of protection of the present application. Therefore, the scope of protection of the present application shall be subject to the scope of protection of the claims.

Claims

1. A door lower sealing structure for a vehicle door, wherein the door comprises a door inner panel, a decorative panel inner panel and a side skirt decorative member, characterized in that: The door lower sealing structure includes a sealing assembly and a mounting assembly; The sealing assembly includes a sealing strip body and a sealing bubble tube, wherein the sealing bubble tube is arranged on a side of the sealing strip body close to the side skirt decorative piece; The sealing strip body includes an overlapping portion and an installation portion, the overlapping portion abuts the vehicle door inner panel, the installation assembly is arranged on the installation portion, and the sealing strip body is arranged on the decorative panel inner panel through the installation assembly; the sealing bubble tube includes a lower sealing portion and a contact portion, the lower sealing portion surrounds the lower portion of the sealing strip body, and the contact portion abuts the side skirt decorative component.

2. The vehicle door lower sealing structure according to claim 1, characterized in that: The mounting portion includes a supporting boss and a connecting portion, wherein the supporting boss is arranged between the mounting portion and the overlapping portion, and the supporting boss is arranged on a side of the mounting portion facing the inner plate of the decorative panel; The connecting position is arranged on a side of the mounting portion facing the side skirt decorative component, and the connecting position and the supporting boss are arranged back to back.

3. The vehicle door lower sealing structure according to claim 2, characterized in that: The sealing bubble tube includes a first connecting end and a second connecting end, the first connecting end is arranged at the connecting position, the second connecting end is arranged at the lower part of the sealing strip body, and the second connecting end is formed with the lower sealing part; A compression cavity is provided between the sealing bubble tube and the sealing strip body.

4. The vehicle door lower sealing structure according to claim 3, characterized in that: A compression bending portion is provided at the lower portion of the compression cavity, and the sealing bubble tube can be bent toward the inside of the compression cavity through the compression bending portion.

5. The vehicle door lower sealing structure according to claim 1, characterized in that: The mounting assembly includes a plurality of mounting parts, which are sequentially and spaced apart from each other on the mounting portion; the interval between adjacent mounting parts is 100 mm to 120 mm.

6. The vehicle door lower sealing structure according to claim 5, characterized in that: The mounting member includes a first connecting portion, a transition portion, and a second connecting portion, wherein a dimension of the transition portion in the first direction is smaller than a dimension of the first connecting portion in the first direction and a dimension of the second connecting portion in the first direction; An installation cavity is provided inside the installation portion, the first connection portion is provided inside the installation cavity, and the second connection portion is provided in the installation hole of the inner plate of the decorative panel.

7. The vehicle door lower sealing structure according to claim 6, characterized in that: A first limiting portion is provided at the connection between the first connecting portion and the transition portion, and the mounting member is clamped in the mounting cavity through the first limiting portion; A second limiting portion is provided at the connection between the second connecting portion and the transition portion, and the mounting member is clamped to the inner plate of the decorative panel through the second limiting portion.

8. The vehicle door lower sealing structure according to claim 6, characterized in that: A deformation cavity is provided inside the second connection portion, and the second connection portion is installed in the installation hole of the inner plate of the decorative panel through the deformation cavity.

9. The vehicle door lower sealing structure according to claim 1, wherein: The sealing strip body further includes an extension portion, and the mounting portion is connected to the overlapping portion via the extension portion; The length of the extension portion matches the length of the mounting portion.

10. A vehicle, characterized in that: The vehicle includes the door lower sealing structure according to any one of claims 1 to 9.

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