Automobile front door lower trim panel assembly and automobile

Abstract

The invention relates to an automobile front door lower trim panel assembly which is assembled on the lower portion of a door sheet metal part and comprises a left front map pocket lower cover plate assembly and a left front map pocket upper cover plate assembly, and the left front map pocket lower cover plate assembly and the left front map pocket upper cover plate assembly define a map pocket cavity. A left front map bag baffle is further arranged on the inner side of the map bag cavity and fixedly installed on the inner side of the map bag cavity through a second connecting assembly. The second connecting assembly comprises a mounting base mounted on a slope on the inner side of the left front map bag baffle, the map bag baffle extends upwards to form a mounting part, and the mounting part is fixedly connected with the side edge of the mounting base through a connecting piece. The automobile front door lower trim panel assembly is installed on the lower portion of an automobile front door sheet metal part and connected with an automobile front door upper trim panel assembly, the overall structural strength of the automobile front door lower trim panel assembly can be improved from the three dimensions of overall rigidity, local deformation resistance and connection reliability, and meanwhile the assembling efficiency can be improved.

Description

Technical Field

[0001] The present application relates to the technical field of automobiles, and particularly to an assembly of a lower trim panel of a front car door and a vehicle. Background Art

[0002] In the related art, with the continuous growth and development of the automotive industry, while pursuing the functions of automobiles, automobile manufacturers and customers also have higher and higher requirements for the aesthetics of exterior parts of automobiles. Therefore, in order to improve the aesthetics of automobiles, some vehicle models are provided with an exterior door panel in the door assembly, and the exterior door panel is assembled to the door sheet metal through fasteners.

[0003] However, the connection strength between the structural components in the current lower trim panel assembly of the door is low, and the assembly is inconvenient, resulting in low assembly efficiency. Summary of the Invention

[0004] Based on this, in view of the problem of insufficient assembly strength of the current lower trim panel of the front car door, it is necessary to provide an assembly of a lower trim panel of a front car door.

[0005] On the one hand, the present application provides an assembly of a lower trim panel of a front car door, which is assembled to the lower part of a door sheet metal part, and includes a lower cover assembly of a left front map pocket and the upper cover assembly of the left front map pocket. The lower cover assembly of the left front map pocket and the upper cover assembly of the left front map pocket enclose to form a map pocket chamber, and a left front map pocket baffle is further provided inside the map pocket chamber. The left front map pocket baffle is fixedly installed inside the map pocket chamber through a second connection assembly.

[0006] The second connection assembly includes a mounting base installed on a slope inside the left front map pocket baffle, and the map pocket baffle extends upward to form a mounting portion. The mounting portion is fixedly connected to the side of the mounting base through a connecting piece.

[0007] In one embodiment, an emergency handle assembly is adapted to be installed on the mounting base, and a plurality of alignment guiding structures are provided on the mounting base. The emergency handle assembly is provided with positioning holes corresponding to the alignment guiding structures, and the alignment guiding structures are adapted to pass through the positioning holes to position the emergency handle assembly.

[0008] In one embodiment, an assembly connection portion is further opened on the side of the mounting base facing the map pocket cavity, and the assembly connection portion is connected to the upper cover assembly of the left front map pocket through a connecting piece.

[0009] In one embodiment, when the connecting piece connects the assembly connection portion and the upper cover assembly of the left front map pocket, it penetrates the upper trim panel assembly at the same time to fix the upper cover of the left front map pocket and the upper trim panel assembly.

[0010] In one embodiment, the upper cover assembly of the left front map pocket is arranged along the length direction of the vehicle door, and a first structural fixing part is formed at a section of the upper cover assembly of the left front map pocket away from the second connection component. The first structural fixing part is fixedly connected to a fixing part extending towards the lower cover assembly of the left front map pocket via a connecting piece and the upper trim panel assembly.

[0011] In one embodiment, a fixing part of the upper trim panel assembly continuously extends towards the lower cover assembly of the left front map pocket, so that the fixing part is fixedly connected to the lower cover assembly of the left front map pocket.

[0012] In one embodiment, a second structural fixing part is formed at a section of the upper cover assembly of the left front map pocket close to the second connection component. The second structural fixing part extends towards the lower cover assembly of the map pocket and is fixedly connected to the lower cover assembly of the map pocket.

[0013] In one embodiment, a plurality of alignment and guiding structures are provided on the second structural fixing part, positioning holes are formed on the upper trim panel assembly corresponding to the alignment and guiding structures, and the alignment and guiding structures are adapted to penetrate through the positioning holes to position the installation position of the upper cover of the map pocket.

[0014] In one embodiment, a left front door lower plug is further provided at the bottom of the lower cover assembly of the left front map pocket to close the bottom of the map pocket chamber.

[0015] The second aspect of the present invention provides a vehicle, in which the lower trim panel assembly of the front vehicle door as described above is adopted.

[0016] The above-mentioned lower trim panel assembly of the front vehicle door includes a lower cover assembly of the left front map pocket, the upper cover assembly of the left front map pocket and a left front map pocket baffle that constitute the map pocket, and a second connection component is provided on the left front map pocket baffle. Through this second connection component, local stress concentration can be dispersed, and the anti-dent deformation ability can be improved, especially suitable for scenarios of carrying items or bearing lateral forces; in addition, the installation base of the second connection component adopts a ramp structure design. By changing the direction of force transmission (converting the vertical load into an inclined plane component force), the risk of shear stress concentration at the connection point is reduced, and at the same time, the contact area between the base and the baffle is increased to improve the connection stability; and, the installation part extending on the left front map pocket baffle is fixedly connected to the side of the installation base via a connecting piece to form a lateral restraint structure. This design can effectively resist the torsional moment and prevent the baffle from loosening or displacing under long-term vibration or impact conditions, and significantly improve the fatigue strength of the connection node.

[0017] Thus, through the above-mentioned technical features, the overall structural strength is improved from three dimensions: overall stiffness, local anti-deformation ability, and connection reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 Explosion view of the lower trim panel assembly of the front car door in an embodiment of the present application;

[0019] Figure 2 Assembly drawing of the lower trim panel assembly of the front car door in an embodiment of the present application

[0020] Figure 3 Enlarged view of the second connection component at position A of the lower trim panel assembly of the front car door in an embodiment of the present application;

[0021] Figure 4 Enlarged view of the first structure fixing part at position B of the lower trim panel assembly of the front car door in an embodiment of the present application;

[0022] Figure 5 Enlarged view of the second structure fixing part at position C of the lower trim panel assembly of the front car door in an embodiment of the present application.

[0023] Explanation of reference numerals:

[0024] 1a, lower trim panel assembly;

[0025] 1, upper cover plate assembly of the left front map pocket; 2, emergency handle assembly of the left front door; 3, left front emergency handle frame; 4, left front armrest trim strip; 5, lower cover plate assembly of the left front map pocket; 6, left front lower guard plate assembly; 7, left front map pocket baffle; 8, left front map pocket assembly; 9, left front map pocket spacer; 10, lower plug of the left front door panel; 11, anti-collision block; 12, second connection component; 121, mounting base; 122, assembly connection part; 123, alignment guiding structure; 124, first structure fixing part; 125, second structure fixing part; 13, emergency handle assembly. Detailed implementation manners

[0026] In order to make the above objects, features and advantages of the present application more obvious and understandable, the following will describe the detailed implementation manners of the present application with reference to the accompanying drawings. Many specific details are set forth in the following description in order to fully understand the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present application. Therefore, the present application is not limited by the specific embodiments disclosed below.

[0027] In the description of the present application, it should be understood that if there are terms such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., the orientation or positional relationship indicated by these terms is based on the orientation or positional relationship shown in the drawings. These are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present application.

[0028] In addition, if there are terms such as "first" and "second", these terms are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present application, if there is a term "plurality", the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise specifically defined.

[0029] The embodiment of the present application provides an automotive front door lower trim panel assembly. The automotive front door lower trim panel assembly 1a is installed at the lower part of the front door sheet metal of the vehicle and is connected to the automotive front door upper trim panel assembly. The automotive front door lower trim panel assembly 1a can improve the overall structural strength from three dimensions: overall stiffness, local anti-deformation ability, and connection reliability, and at the same time can improve the assembly efficiency.

[0030] See Figures 1 to 5 , the automotive front door lower trim panel assembly 1a includes a left front map pocket lower cover assembly 5 and a left front map pocket upper cover assembly 1. The left front map pocket lower cover assembly 5 and the left front map pocket upper cover assembly 1 enclose to form a map pocket chamber (not shown in the figure). And a left front map pocket baffle 7 is further provided on the inner side of the map pocket chamber. The left front map pocket baffle 7 is fixedly installed on the inner side of the map pocket chamber via a second connection assembly 12. And a left front map pocket cushion block 9 is provided at the bottom of the map pocket chamber. And a left front door lower plug 10 is provided at the bottom of the left front map pocket cushion block 9. Through the cooperation of the left front map pocket cushion block 9 and the left front door lower plug 10, the bottom of the map pocket chamber can be effectively carried, and at the same time, the bearing capacity of the map pocket is enhanced.

[0031] In addition, the setting of the second connecting component 12 can disperse local stress concentration and improve the anti-dent deformation ability, especially suitable for scenarios of carrying items or bearing lateral forces. In addition, the mounting base 121 of the second connecting component 12 is designed to be inclined along the edge of the left front map pocket baffle 7, so as to change the force transmission direction (convert the vertical load into an inclined plane component force), reduce the risk of shear stress concentration at the connection point, and increase the contact area between the base and the baffle, thereby enhancing the connection stability. Moreover, the mounting part on the left front map pocket baffle 7 and the side of the mounting base 121 are fixed by a connecting piece to form a lateral restraint structure. This design can effectively resist the torsional moment and prevent the baffle from loosening or displacing under long-term vibration or impact conditions, significantly improving the fatigue strength of the connection node.

[0032] Thus, the lower trim panel assembly 1a of the front car door adopts a modular design. The lower cover assembly 5 of the left front map pocket and the upper cover assembly 1 of the left front map pocket form a map pocket chamber by means of double fixation with snap fasteners and bolts. Moreover, the left front map pocket baffle 7 is preferably made of a high-strength alloy material to further improve the structural strength of the left front map pocket baffle 7. At the same time, an anti-collision block 11 can be arranged between the lower cover assembly 5 of the left front map pocket and the upper cover assembly 1 of the left front map pocket. The setting of the anti-collision block 11 can absorb energy through controllable deformation in a side collision, reduce the intrusion amount of the car door, and protect the integrity of the occupant compartment.

[0033] Specifically, a left front emergency handle frame 3 is provided on the upper cover assembly 1 of the left front map pocket. The left front emergency handle frame 3 is provided on the left front door emergency handle assembly 2, and a left front armrest trim strip 4 is also provided on the side of the upper cover assembly 1 of the left front map pocket. The lower end of the upper cover assembly 1 of the left front map pocket is connected to the lower cover assembly 5 of the left front map pocket, so that the upper cover assembly 1 of the left front map pocket and the lower cover assembly 5 of the left front map pocket form an enclosed effect. And a left front lower guard plate assembly 6 is provided on its side. The left front lower guard plate assembly 6 and the left front armrest trim strip 4 cooperate to jointly form a user-side contact protection structure. Moreover, the upper cover assembly 1 of the left front map pocket adopts a modular integration scheme. The left front emergency handle frame 3 is formed by stamping on its surface, and this functional part is embedded and assembled with the left front door emergency handle assembly 2. The side wall of the upper cover assembly 1 of the left front map pocket is provided with a left front armrest trim strip 4 covered with three-dimensional fabric. The lower end is precisely engaged with the lower cover assembly 5 of the left front map pocket through double-row snap fasteners to form a closed-loop protection frame. At the lateral protection level, the left front lower guard plate assembly 6 is snap-connected to the armrest trim strip to jointly form an occupant limb contact protection system.

[0034] Specifically, a left front map pocket assembly 8 is further provided inside the map pocket chamber. The left front map pocket assembly 8 protrudes toward the side away from the map pocket chamber, so as to make the storage space of the formed map pocket chamber larger. And the left front map pocket assembly 8 is arranged on the left front map pocket baffle 7 to fix its side edge through the left front map pocket baffle 7, so as to effectively improve the structural strength of the left front map pocket assembly 8.

[0035] In addition, in order to further improve the structural strength of the formed map pocket, the upper connection end of the map pocket chamber is fixedly connected to the left front map pocket upper cover assembly 1, and the lower connection end of the map pocket chamber is fixedly connected to the left front map pocket lower cover assembly 5, so as to comprehensively enhance the structural strength of the peripheral side of the formed map pocket chamber.

[0036] In one embodiment, the second connection assembly 12 includes a mounting base 121 mounted on the slope inside the left front map pocket baffle 7, and the map pocket baffle extends upward to form a mounting portion, and the mounting portion is fixedly connected to the side edge of the mounting base 121 via a connecting member.

[0037] Specifically, an emergency pull handle assembly 13 is adapted to be mounted on the mounting base 121, and a plurality of alignment guiding structures 123 are provided on the mounting base 121. The emergency pull handle assembly 13 is provided with connection holes corresponding to each of the alignment guiding structures 123, and the alignment guiding structures 123 are adapted to pass through each connection vacancy to position the emergency pull handle assembly 13. Thus, due to the provision of the slope-type mounting base 121 with its own alignment guiding structures 123, the alignment guiding structure can facilitate the alignment and guiding of the emergency pull handle assembly 13 provided thereon. Moreover, a plurality of link holes are pre-opened on the emergency pull handle assembly 13, so that the rapid positioning and alignment of the emergency pull handle assembly 13 can be achieved, and the assembly accuracy of the device can be effectively improved.

[0038] In addition, an assembly connection part 122 is also provided on the side of the mounting base 121 facing the map pocket cavity. The assembly connection part 122 is connected to the upper cover assembly 1 of the left front map pocket via a connecting piece. There is an included angle between the assembly connection part 122 and the mounting base 121, and the included angle between the two is set to 90°. Moreover, the assembly connection part 122 is matched with the connecting bosses formed at different positions on the upper cover assembly 1 of the left front map pocket. Therefore, the assembly connection parts 122 are arranged in a staggered manner to achieve the fixed connection with the upper cover assembly 1 of the left front map pocket. Therefore, through the assembly connection part 122 provided on the side of the mounting base 121 facing the map pocket chamber, and the assembly connection part 122 is arranged at an included angle of 90° with the mounting base 121, a spatial right-angle connection structure is formed between a single assembly connection part 122 and the mounting base 121. And the assembly connection part 122 adopts a staggered station design, and at least two groups of connection holes at different positions are provided thereon, corresponding to the connecting bosses provided at different positions on the upper cover assembly 1 of the left front map pocket respectively. Furthermore, a rigid constraint in the three-dimensional space can be formed on the upper cover assembly of the left front map pocket, and the spatial right-angle structure enables the assembly connection part 122 to bear the Z-direction load and the Y-direction torque simultaneously, thereby effectively improving the connection stiffness.

[0039] Moreover, when the assembly connection part 122 and the upper cover of the left front map pocket are fixedly connected through a connecting piece, a part of the connection part extended from the upper trim panel assembly is also arranged between the assembly connection part 122 and the upper cover assembly 1 of the left front map pocket. This part of the connection part is arranged between the upper cover assembly of the map pocket and the assembly connection part 122. Furthermore, a single connecting piece can pass through the above three structural parts, and the upper trim panel assembly, the upper cover assembly 1 of the left front map pocket, and the assembly connection part 122 can be simultaneously connected and fixed, so as to achieve the fixed connection between the structural parts in the upper trim panel assembly and the lower trim panel assembly 1a, further improving the overall structural strength of the formed door.

[0040] During the assembly process, the connecting boss extended from the upper trim panel assembly is arranged between the assembly connection part 122 and the upper cover assembly 1 of the left front map pocket, forming a "sandwich"-type laminated structure. The single M6 combination bolt sequentially passes through the connecting boss extended from the upper trim panel assembly, the upper cover assembly 1 of the left front map pocket, and the assembly connection part 122 to achieve the synchronous fastening of the three.

[0041] In one embodiment, the upper cover assembly 1 of the left front map pocket is arranged along the length direction of the vehicle door, and a first structural fixing portion 124 is formed at a section of the upper cover assembly 1 of the left front map pocket away from the second connecting assembly 12. The first structural fixing portion 124 is fixedly connected to a fixing portion extending towards the lower cover assembly 5 of the left front map pocket via a connecting member. Moreover, a fixing portion of the upper trim panel assembly continuously extends towards the lower cover assembly 5 of the left front map pocket so as to be fixedly connected to the lower cover assembly 5 of the left front map pocket. Wherein, the first structural fixing portion 124 is used to provide a fixing structural member for the upper cover assembly 1 of the left front map pocket at the distal end. Specifically, a fixing portion extends from the upper trim panel assembly, and this fixing portion can straddle the first structural fixing portion 124 and extend to the position of the lower cover assembly 5 of the left front map pocket. Thus, when connecting, first connect the middle of the first structural fixing portion 124 to a fixing portion extending from the upper trim panel assembly, and then connect the lower cover assembly 5 of the left front map pocket to the lower portion of a fixing portion extending from the upper trim panel assembly, thereby realizing the fixed connection of the lower cover assembly 5 of the left front map pocket, the upper trim panel assembly, and the first structural fixing portion 124 at the distal end.

[0042] More specifically, a second structural fixing portion 125 is formed at a section of the upper cover assembly 1 of the left front map pocket close to the second connecting assembly 12. The second structural fixing portion 125 extends towards the lower cover assembly 5 of the left front map pocket and is fixedly connected to the lower cover assembly 5 of the left front map pocket. In addition, a plurality of alignment and guiding structures 123 are provided on the second structural fixing portion 125, positioning holes are formed on the upper trim panel assembly corresponding to the respective alignment and guiding structures 123, and the alignment and guiding structures 123 are adapted to penetrate through the positioning holes to position the installation position of the upper cover assembly 1 of the left front map pocket.

[0043] Thus, through the connection of the first structural fixing portion 124 and the second structural fixing portion 125 to form a double - fulcrum rigid connection, a mechanical closed - loop is formed between the upper cover assembly 1 of the left front map pocket and the upper trim panel assembly, converting the single - point structure force into a double - fulcrum bearing structure, thereby being able to increase the local stiffness by more than 40%, effectively suppressing the deformation amount during the opening and closing of the vehicle door, and improving the structural strength. In addition, a composite connection method combining bolts and buckles is adopted, which not only ensures the initial assembly accuracy (the gap and surface difference are controlled within ±0.3 mm), but also compensates for the difference in thermal expansion coefficients through the pre - tightening force of the buckles, improving the dimensional stability of the structural members in different temperature environments, and further improving the assembly accuracy of the overall structure.

[0044] In addition, the modular design enables a single connection point failure not to affect the overall structure, and buckle connectors can be used to support rapid disassembly, shortening the after - sales maintenance man - hours by 50%, thereby being able to reduce the full - life - cycle usage cost and improving the convenience of maintenance at the same time.

[0045] This embodiment further provides a vehicle that adopts the above-mentioned front door lower trim panel assembly 1a of an automobile. The front door lower trim panel assembly 1a of the automobile it includes comprises a left front map pocket lower cover assembly 5 that constitutes a map pocket, the above-mentioned left front map pocket upper cover assembly 1, and a left front map pocket baffle 7. And a second connection assembly 12 is provided on the left front map pocket baffle 7. Through this second connection assembly 12, local stress concentration can be dispersed, and the ability to resist indentation deformation can be improved, especially suitable for scenarios of carrying items or bearing lateral forces. In addition, the mounting base 121 of the second connection assembly 12 is designed with a slope structure. By changing the direction of force transmission (converting the vertical load into a component force on the inclined plane), the risk of shear stress concentration at the connection point is reduced, and at the same time, the contact area between the base and the baffle is increased to enhance the connection stability. And, the mounting portion extending on the left front map pocket baffle 7 and the side of the mounting base 121 are fixed by a connecting member to form a lateral restraint structure. This design can effectively resist the torsional moment and prevent the baffle from loosening or displacing under long-term vibration or impact conditions, significantly improving the fatigue strength of the connection node.

[0046] Thus, through the above design, the door of the vehicle in this application can improve the overall structural strength in terms of three dimensions: overall stiffness, local anti-deformation ability, and connection reliability.

[0047] In this application, unless otherwise clearly specified and limited, if terms such as "installation", "connection", "connection", "fixation", etc. appear, these terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. It can be the communication inside two components or the interaction relationship between two components, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0048] In this application, unless otherwise clearly specified and limited, if a description such as a first feature being "on" or "under" a second feature appears, its meaning can be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on" the second feature can mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is at a higher horizontal level than the second feature. The first feature being "under", "below" and "beneath" the second feature can be that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is at a lower horizontal level than the second feature.

[0049] It should be noted that if an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or there may also be an intermediate element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intermediate element at the same time. If any, the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in this application are only for the purpose of illustration and do not represent the only implementation.

[0050] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope described in this specification.

[0051] The above-described embodiments only represent several implementation manners of the present application. The description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the patent application. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present application, several modifications and improvements can be made, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application shall be subject to the appended claims.

Claims

1. An assembly of the lower trim panel of a vehicle front door, which is assembled to the lower part of the door sheet metal part, and is characterized in that It includes a left front map pocket lower cover assembly and the left front map pocket upper cover assembly. The left front map pocket lower cover assembly and the left front map pocket upper cover assembly enclose to form a map pocket chamber, and a left front map pocket baffle is further provided inside the map pocket chamber. The left front map pocket baffle is fixedly installed inside the map pocket chamber via a second connection component. The second connection component includes a mounting base installed on a slope inside the left front map pocket baffle, and the map pocket baffle extends upward to form a mounting portion. The mounting portion is fixedly connected to the side of the mounting base via a connecting piece.

2. The lower trim panel assembly for the front door of an automobile according to claim 1, wherein An emergency pull handle assembly is adapted to be installed on the mounting base, and a plurality of alignment guiding structures are provided on the mounting base. The emergency pull handle assembly is provided with positioning holes corresponding to each of the alignment guiding structures. The alignment guiding structures are adapted to pass through each of the positioning holes to position the emergency pull handle assembly.

3. The front door lower trim panel assembly for an automobile according to claim 2, characterized in that, An assembly connection portion is further opened on the side of the mounting base facing the map pocket cavity. The assembly connection portion is connected to the left front map pocket upper cover assembly via a connecting piece.

4. The lower trim panel assembly for the front door of an automobile according to claim 1, characterized in that, When the connecting piece connects the assembly connection portion and the left front map pocket upper cover, it penetrates the upper trim panel assembly at the same time, thereby fixing the left front map pocket upper cover and the upper trim panel assembly.

5. The front door lower trim panel assembly for an automobile according to claim 4, wherein The left front map pocket upper cover assembly is arranged along the length direction of the vehicle door, and a first structure fixing portion is formed at a section of the left front map pocket upper cover assembly far from the second connection component. The first structure fixing portion is fixedly connected to a fixing portion extending from the upper trim panel assembly toward the left front map pocket lower cover assembly via a connecting piece.

6. The front door lower trim panel assembly for an automobile according to claim 5, wherein, A fixing portion of the upper trim panel assembly continuously extends toward the left front map pocket lower cover assembly, so that the fixing portion is fixedly connected to the left front map pocket lower cover assembly.

7. The front door lower trim panel assembly for an automobile according to claim 6, wherein, A second structure fixing portion is formed at a section of the left front map pocket upper cover assembly close to the second connection component. The second structure fixing portion extends toward the map pocket lower cover assembly and is fixedly connected to the map pocket lower cover assembly.

8. The front door lower trim panel assembly of an automobile according to claim 6, characterized in that, A plurality of alignment guiding structures are provided on the second structure fixing portion. The upper trim panel assembly is provided with positioning holes corresponding to each of the alignment guiding structures. The alignment guiding structures are adapted to penetrate the positioning holes to position the installation position of the map pocket upper cover.

9. The lower door trim assembly for the front door of an automobile according to claim 1, wherein, A left front door panel lower plug is further provided at the bottom of the left front map pocket lower cover assembly to close the bottom of the map pocket chamber.

10. A vehicle, characterized in that, The lower trim panel assembly of the front vehicle door according to any one of claims 1 to 9 is adopted.

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