Trunk lid inner plate and vehicle

Through the design and structural optimization of one-piece castings, the problem of unreasonable structure of the inner panel of the trunk lid has been solved, lightweighting and strength improvement have been achieved, manufacturing difficulty and interior panel requirements have been reduced, and component accuracy and economic benefits have been improved.

CN222372986UActive Publication Date: 2025-01-21DEEPAL AUTOMOBILE TECH CO LTD
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Patent Information

Application Number
CN202421194377.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-29
Publication Date
2025-01-21
Estimated Expiration
2034-05-29

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    Figure CN222372986U_ABST
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Abstract

The utility model relates to a trunk lid inner plate which is an integrally-formed casting part, the inner side face, close to the inner side of a vehicle, of the trunk lid inner plate comprises a middle face and a sealing face arranged around the middle face, and the sealing face is used for being matched with a sealing strip of a vehicle trunk. The upper left corner area and the upper right corner area of the middle face are each provided with a trunk lid hinge installation point, and the lower portion area of the middle face is provided with a trunk lid lock catch installation point. The utility model further provides a vehicle. According to the utility model, the manufacturing difficulty of the integrally cast and molded trunk lid inner plate is reduced, and the light weight level of the integrally cast and molded trunk lid inner plate is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of vehicles, in particular to an inner plate of a luggage compartment cover and a vehicle. Background Art

[0002] The trunk lid inner panel of some vehicles is welded from multiple sheet metal parts, which has the problem of a large number of parts and a large number of processing steps. In order to reduce the number of parts and processing steps of the trunk lid inner panel, the trunk lid inner panel of some vehicles in the prior art adopts an integrated molding structure, such as an integrated injection molded trunk lid inner panel and an integrated cast molded trunk lid inner panel.

[0003] The existing technology of the trunk lid inner plate with an integrated structure has the following technical problems:

[0004] The weight reduction and reinforcement structure of the trunk lid inner panel is not set reasonably. On the one hand, the lightweight level needs to be improved. On the other hand, the surface of the trunk lid inner panel facing the inside of the car is not smooth enough and needs to be covered with a large area of ​​interior panels.

[0005] A mounting structure for mounting a lock body of the trunk lid lock needs to be provided at the lower portion of the trunk lid inner plate, which has a complex structure and increases the difficulty of machining the trunk lid inner plate. Utility Model Content

[0006] The purpose of the utility model is to provide a trunk lid inner panel and a vehicle to alleviate or eliminate at least one of the above-mentioned technical problems.

[0007] The utility model discloses a trunk lid inner plate, which is an integrally formed casting. The inner side surface of the trunk lid inner plate close to the inner side of the vehicle comprises an intermediate surface and a sealing surface arranged around the intermediate surface, wherein the sealing surface is used to cooperate with the vehicle trunk sealing strip, the upper left corner area and the upper right corner area of ​​the intermediate surface are both provided with trunk lid hinge mounting points, and the lower area of ​​the intermediate surface is provided with a trunk lid lock mounting point.

[0008] Optionally, the trunk lid lock mounting point includes a lock mounting plane and a lock mounting hole arranged on the lock mounting plane.

[0009] Optionally, the trunk lid hinge mounting point includes a hinge mounting plane and a hinge mounting hole arranged on the hinge mounting plane.

[0010] Optionally, the trunk lid inner plate is provided with a recessed portion at the middle surface which is recessed toward the outer side of the vehicle as a whole, and a weight-reducing hole is provided on the recessed portion.

[0011] Optionally, the width of the recessed portion in the left-right direction is larger at the top and smaller at the bottom, the left and right ends of the upper portion of the recessed portion are respectively located next to the two trunk lid hinge mounting points, and the lower end of the recessed portion is located next to the trunk lid lock mounting point.

[0012] Optionally, the weight-reducing hole hollows out the recessed portion into a reinforcing sink arranged along the edge of the weight-reducing hole.

[0013] Optionally, a reinforcing rib group is arranged on the outer side surface of the trunk lid inner panel close to the outer side of the vehicle; the reinforcing rib group includes a first reinforcing rib extending from the left end of the upper part of the recessed portion to the upper left and a second reinforcing rib extending from the right end of the upper part of the recessed portion to the upper right; the reinforcing rib group includes a third reinforcing rib and a fourth reinforcing rib arranged on the left side of the recessed portion, the third reinforcing rib extends obliquely to the left from bottom to top, and the fourth reinforcing rib and the third reinforcing rib intersect with each other; the reinforcing rib group includes a fifth reinforcing rib and a sixth reinforcing rib arranged on the right side of the recessed portion, the fifth reinforcing rib extends obliquely to the right from bottom to top, and the sixth reinforcing rib intersects with the fifth reinforcing rib; the reinforcing rib group includes a seventh reinforcing rib arranged above the recessed portion; the reinforcing rib group includes an eighth reinforcing rib and a ninth reinforcing rib arranged below the recessed portion, and the eighth reinforcing rib and the ninth reinforcing rib intersect with each other.

[0014] Optionally, a first reinforcing column protruding toward the outside of the vehicle is provided at the trunk lid hinge installation point, and the first reinforcing column is connected to the reinforcing rib group; a second reinforcing column protruding toward the outside of the vehicle is provided at the trunk lid lock installation point, and the second reinforcing column is connected to the reinforcing rib group.

[0015] Optionally, the edge of the inner side surface of the trunk lid inner panel is provided with a snap-fitting matching surface for snapping with the trunk lid outer panel and a transition surface for transitioning between the snap-fitting matching surface and the sealing surface; the lower area of ​​the intermediate surface is provided with a boss protruding toward the inner side of the vehicle, and the boss is used to contact the vehicle trunk buffer pad.

[0016] The utility model also provides a vehicle, comprising any one of the above-mentioned luggage compartment cover inner panels.

[0017] The utility model reduces the manufacturing difficulty of the integrally cast trunk cover inner plate and improves the lightweight level of the integrally cast trunk cover inner plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is the front view of the inner panel of the trunk lid;

[0019] Figure 2 Rear view of the trunk lid inner panel.

[0020] Among them, 101-middle surface; 102-sealing surface; 103-transition surface; 104-fastening matching surface; 105-hinge installation plane; 106-hinge installation hole; 107-lock installation plane; 108-lock installation hole; 109-boss; 110-reinforced countersunk platform; 111-weight reduction hole; 112-glue coating surface; 113-first reinforcement column; 114-second reinforcement column; 115-first reinforcement rib; 116-second reinforcement rib; 117-third reinforcement rib; 118-fourth reinforcement rib; 119-fifth reinforcement rib; 120-sixth reinforcement rib; 121-seventh reinforcement rib; 122-eighth reinforcement rib; 123-ninth reinforcement rib. DETAILED DESCRIPTION

[0021] The following will describe the implementation of the present invention with reference to the accompanying drawings and preferred embodiments. Those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific implementations, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be understood that the preferred embodiments are only for illustrating the present invention, not for limiting the scope of protection of the present invention.

[0022] It should be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present invention, and thus the drawings only show components related to the present invention rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed at will, and the component layout may also be more complicated.

[0023] like Figure 1 and Figure 2 The trunk lid inner plate shown is an integrally molded casting. The inner side surface of the trunk lid inner plate close to the inside of the vehicle includes a middle surface 101 and a sealing surface 102 arranged around the middle surface 101. The sealing surface 102 is used to cooperate with the vehicle trunk sealing strip. The upper left corner area and the upper right corner area of ​​the middle surface 101 are both provided with a trunk lid hinge mounting point, and the lower area of ​​the middle surface 101 is provided with a trunk lid buckle mounting point. By adopting the above technical solution, a trunk lid buckle mounting point is provided in the lower area of ​​the middle surface 101, and the trunk lid lock body and the trunk lid buckle are interchanged to meet the normal opening and closing function of the trunk lid. Since the trunk lid buckle has a simple structure and a small size, the structure of the trunk lid buckle mounting point is simple and the size is small. On the one hand, it helps to reduce the manufacturing difficulty of the one-piece cast trunk lid inner panel, and on the other hand, it also helps to improve the flatness of the inner side of the one-piece cast trunk lid inner panel, providing a basis for eliminating the trunk interior panel.

[0024] As a specific example, the trunk lid lock mounting point includes a lock mounting plane 107 and a lock mounting hole 108 provided at the lock mounting plane 107. In a specific implementation, two nuts can be pre-embedded at the lock mounting plane 107 to form two lock mounting holes 108, which has the characteristics of simple structure and small size.

[0025] In some embodiments, the trunk lid hinge mounting point includes a hinge mounting plane 105 and a hinge mounting hole 106 disposed at the hinge mounting plane 105. With the above technical solution, two nuts can be embedded in the hinge mounting plane 105 to form two hinge mounting holes 106, which can meet the installation and disassembly of the trunk hinge and has the characteristics of simple structure.

[0026] In some embodiments, the trunk lid inner plate is provided with a recessed portion that is recessed toward the outside of the vehicle as a whole at the middle surface 101, and the recessed portion is provided with a weight-reducing hole 111. With the above technical solution, the provision of the recessed portion can improve the structural strength of the trunk lid inner plate, and the provision of the weight-reducing hole 111 can reduce the weight of the trunk lid inner plate, which helps to improve the lightweight level of the trunk lid inner plate.

[0027] In some embodiments, the width of the recessed portion in the left-right direction is larger at the top and smaller at the bottom, the left and right ends of the upper portion of the recessed portion are respectively located next to the two trunk lid hinge mounting points, and the lower end of the recessed portion is located next to the trunk lid lock buckle mounting point. The above technical solution forms an inverted triangle or inverted trapezoidal recessed portion, which can better improve the strength and rigidity of the trunk lid inner plate according to the triangle stabilization principle, and can better strengthen the trunk lid lock buckle mounting point and the two trunk lid hinge mounting points.

[0028] In some embodiments, the weight-reducing hole 111 hollows out the concave portion to form a reinforcing sink 110 arranged along the edge of the weight-reducing hole 111, and the reinforcing sink 110 protrudes toward the outside of the vehicle. With the above technical solution, the size of the weight-reducing hole 111 can be larger while meeting the strength requirements of the trunk lid inner plate, which helps to improve the lightweight level of the trunk lid inner plate. The weight-reducing hole 111 can also be used as a lamp installation hole and a harness installation hole.

[0029] Furthermore, a rubber-coated surface 112 surrounding the weight-reducing hole 111 may be provided on the surface of the reinforced sink 110 close to the outer side of the vehicle. The rubber-coated surface 112 is used for sealing connection with the outer panel of the trunk lid, which helps to improve the sealing performance of the trunk lid assembly.

[0030] In some embodiments, a rib group is provided on the outer side of the trunk lid inner panel near the outer side of the vehicle, and the rib group can improve the overall strength and rigidity of the trunk lid inner panel, and can also enhance the fluidity of the magnesium alloy liquid during casting, making the inner side of the trunk lid inner panel smoother. As a preferred example, the arrangement range of the rib group is corresponding to the sealing surface 102 and the middle surface 101, and the rib group can strengthen the support for the sealing surface 102 and the middle surface 101.

[0031] In some embodiments, the reinforcing rib group includes a first reinforcing rib 115 extending from the left end of the upper part of the recessed portion to the upper left, and a second reinforcing rib 116 extending from the right end of the upper part of the recessed portion to the upper right. In the above technical solution, the first reinforcing rib 115 and the second reinforcing rib 116 are arranged in combination with the structure of the recessed portion. This arrangement follows the principle of triangular stability and helps to further improve the overall strength and rigidity of the inner plate of the trunk lid.

[0032] In some embodiments, the reinforcing rib group includes a third reinforcing rib 117 and a fourth reinforcing rib 118 arranged on the left side of the recessed portion, the third reinforcing rib 117 extends obliquely to the left from bottom to top, the fourth reinforcing rib 118 intersects with the third reinforcing rib 117, and the fourth reinforcing rib 118 is connected to the reinforcing sink 110. In the above technical solution, the third reinforcing rib 117 extending obliquely to the left from bottom to top and the fourth reinforcing rib 118 intersecting with the third reinforcing rib 117 can effectively strengthen the torsional strength of the inner plate of the trunk lid. In a specific implementation, multiple third reinforcing ribs 117 and multiple fourth reinforcing ribs 118 can be arranged to form a grid-like reinforcing rib structure.

[0033] In some embodiments, the reinforcing rib group includes a fifth reinforcing rib 119 and a sixth reinforcing rib 120 arranged on the right side of the recessed portion, the fifth reinforcing rib 119 extends obliquely from bottom to top to the right, and the sixth reinforcing rib 120 intersects with the fifth reinforcing rib 119. In the above technical solution, the fifth reinforcing rib 119 extending obliquely from bottom to top and the sixth reinforcing rib 120 intersecting with the fifth reinforcing rib 119 can effectively strengthen the torsional strength of the inner plate of the trunk lid. In a specific implementation, multiple fifth reinforcing ribs 119 and multiple sixth reinforcing ribs 120 can be arranged to form a grid-like reinforcing rib structure.

[0034] In some embodiments, the reinforcing rib group includes a seventh reinforcing rib 121 disposed above the recessed portion. In the above technical solution, the seventh reinforcing rib 121 can enhance the fluidity of the magnesium alloy liquid during casting, and improve the strength of the trunk lid inner plate to a certain extent.

[0035] In some embodiments, the reinforcing rib group includes an eighth reinforcing rib 122 and a ninth reinforcing rib 123 disposed below the recessed portion, and the eighth reinforcing rib 122 and the ninth reinforcing rib 123 intersect each other. In the above technical solution, the eighth reinforcing rib 122 and the ninth reinforcing rib 123 can enhance the fluidity of the magnesium alloy liquid during casting, improve the strength of the inner plate of the trunk lid to a certain extent, and also help to improve the structural strength of the trunk lid lock buckle installation point.

[0036] In some embodiments, a first reinforcing column 113 protruding toward the outside of the vehicle is provided at the trunk lid hinge mounting point, and the first reinforcing column 113 is connected to the reinforcing rib group; a second reinforcing column 114 protruding toward the outside of the vehicle is provided at the trunk lid lock mounting point, and the second reinforcing column 114 is connected to the reinforcing rib group. With the above technical solution, the first reinforcing column 113 and the reinforcing rib group support each other, which can improve the strength of the trunk lid hinge mounting point, thereby eliminating the reinforcing plate at the trunk lid hinge mounting point. The second reinforcing column 114 and the reinforcing rib group support each other, which can improve the strength of the trunk lid lock mounting point, thereby eliminating the reinforcing plate at the trunk lid lock mounting point. In a specific implementation, the first reinforcing column 113 is provided corresponding to the hinge mounting hole 106, and the second reinforcing column 114 is provided corresponding to the lock mounting hole 108.

[0037] In some embodiments, the edge of the inner side of the trunk lid inner panel is provided with a buckle matching surface 104 for buckling with the trunk lid outer panel and a transition surface 103 transitioning between the buckle matching surface 104 and the sealing surface 102. Providing the transition surface 103 can improve the flatness of the inner side of the trunk lid inner panel.

[0038] In some embodiments, a boss 109 protruding toward the vehicle interior is provided at the lower area of ​​the middle surface 101, and the boss 109 is used to contact the vehicle trunk cushion. With the above technical solution, the vehicle trunk cushion can be installed on the rear door sill of the vehicle, and the door sill decoration is used to cover the vehicle trunk cushion, which helps to ensure the aesthetics of the vehicle trunk and has the characteristics of simple assembly.

[0039] In a specific implementation, the trunk lid inner panel may be formed by integrally die-casting of a magnesium alloy, which has the characteristics of being light in weight and can meet the strength and durability requirements of the trunk lid.

[0040] In some embodiments, the present invention further provides a vehicle, comprising any one of the above-mentioned trunk lid inner panels.

[0041] The present application adopts a trunk lid inner plate formed by integral die-casting of magnesium alloy, follows the principle of triangular stability, optimizes the weight reduction structure and reinforcement structure of the trunk lid inner plate, improves the lightweight level of the trunk lid inner plate, and can reduce the weight of the trunk lid inner plate by 10%. In addition, due to the optimization of the flatness of the inner side of the trunk lid inner plate, the trunk lid interior panel can be removed. The trunk inner plate proposed in the present application has the characteristics of simple structure, concise structural layout, and reasonable structural layout. The trunk inner plate proposed in the present application helps to improve the accuracy of the trunk lid assembly, shorten the debugging time of the parts of the trunk lid assembly, and thus improve the economic benefits.

[0042] The above embodiments are only preferred embodiments for fully illustrating the present utility model, and the protection scope of the present utility model is not limited thereto. Equivalent substitutions or changes made by technicians in the technical field on the basis of the present utility model are all within the protection scope of the present utility model. In the description of this specification, the description of reference terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics of the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine the different embodiments or examples described in this specification.

Claims

1. A trunk lid inner panel, the trunk lid inner panel being an integrally formed casting, characterized in that: The inner side surface of the trunk lid inner panel close to the inner side of the vehicle includes a middle surface and a sealing surface arranged around the middle surface, and the sealing surface is used to cooperate with the vehicle trunk sealing strip. The upper left corner area and the upper right corner area of ​​the middle surface are both provided with trunk lid hinge mounting points, and the lower area of ​​the middle surface is provided with a trunk lid lock mounting point.

2. The trunk lid inner panel according to claim 1, characterized in that: The trunk lid lock mounting point includes a lock mounting plane and a lock mounting hole arranged on the lock mounting plane.

3. The trunk lid inner panel according to claim 1, characterized in that: The trunk lid hinge mounting point includes a hinge mounting plane and a hinge mounting hole arranged at the hinge mounting plane.

4. The trunk lid inner panel according to claim 1, characterized in that: The trunk lid inner plate is provided with a recessed portion which is recessed toward the vehicle outer side as a whole at the middle surface, and a weight-reducing hole is provided on the recessed portion.

5. The trunk lid inner panel according to claim 4, characterized in that: The width of the recessed portion in the left-right direction is larger at the top and smaller at the bottom. The left and right ends of the upper portion of the recessed portion are respectively located next to the two trunk lid hinge mounting points, and the lower end of the recessed portion is located next to the trunk lid lock mounting point.

6. The trunk lid inner panel according to claim 4, characterized in that: The weight-reducing hole hollows out the recessed portion into a reinforcing sink arranged along the edge of the weight-reducing hole.

7. The trunk lid inner panel according to claim 4, characterized in that: A reinforcing rib group is arranged on the outer side surface of the trunk lid inner panel close to the outer side of the vehicle; the reinforcing rib group includes a first reinforcing rib extending from the left end of the upper part of the recessed portion to the upper left and a second reinforcing rib extending from the right end of the upper part of the recessed portion to the upper right; the reinforcing rib group includes a third reinforcing rib and a fourth reinforcing rib arranged on the left side of the recessed portion, the third reinforcing rib extends obliquely to the left from bottom to top, and the fourth reinforcing rib and the third reinforcing rib intersect with each other; the reinforcing rib group includes a fifth reinforcing rib and a sixth reinforcing rib arranged on the right side of the recessed portion, the fifth reinforcing rib extends obliquely to the right from bottom to top, and the sixth reinforcing rib intersects with the fifth reinforcing rib; the reinforcing rib group includes a seventh reinforcing rib arranged above the recessed portion; the reinforcing rib group includes an eighth reinforcing rib and a ninth reinforcing rib arranged below the recessed portion, and the eighth reinforcing rib and the ninth reinforcing rib intersect with each other.

8. The trunk lid inner panel according to claim 7, characterized in that: A first reinforcing column protruding toward the outside of the vehicle is arranged at the trunk lid hinge installation point, and the first reinforcing column is connected to the reinforcing rib group; a second reinforcing column protruding toward the outside of the vehicle is arranged at the trunk lid lock installation point, and the second reinforcing column is connected to the reinforcing rib group.

9. The trunk lid inner panel according to claim 1, characterized in that: The edge of the inner side surface of the trunk lid inner panel is provided with a buckling matching surface for buckling with the trunk lid outer panel and a transition surface for transitioning between the buckling matching surface and the sealing surface; the lower area of ​​the middle surface is provided with a boss protruding toward the inner side of the vehicle, and the boss is used to contact the vehicle trunk buffer pad.

10. A vehicle, characterized in that: The invention comprises the trunk lid inner panel as claimed in any one of claims 1 to 9.