Rear panel assembly, mounting structure thereof and vehicle
Through the integrated molded rear fence assembly, combined with the cross-rib reinforcement mesh and aluminum alloy material, the existing rear fence assembly has solved the problems of high cost, low strength and poor sealing, and achieved efficient production and good sealing.
Patent Information
- Application Number
- CN202422265470.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-14
- Publication Date
- 2025-08-12
- Estimated Expiration
- 2034-09-14
AI Technical Summary
The existing rear fence assembly is welded and assembled by multiple stamped sheet metal parts, resulting in high manufacturing cost, low structural strength, poor sealing and low production efficiency.
An integrated molded rear panel assembly is adopted, including the main panel section and a cross rib reinforcement grid covered with the inner cavity, avoiding welding, and using aluminum alloy material and connecting through riveting.
It reduces production costs, improves production efficiency and workpiece accuracy, enhances structural strength, and achieves good sealing and lightweight design.
Smart Images
Figure CN223212425U_ABST
Abstract
Description
Technical Field
[0001] The present application belongs to the field of vehicle manufacturing technology, and in particular relates to a rear panel assembly and its mounting structure, and a vehicle. Background Art
[0002] In the automotive industry, welding technology is relatively mature and is therefore widely used in vehicle body manufacturing. Among them, the rear panel of the vehicle body is an important component of the vehicle body structure, mainly providing structural support and safety protection.
[0003] Currently, rear panels are assembled from multiple stamped sheet metal parts, each requiring a corresponding stamping die, jig, and gauge, resulting in relatively high manufacturing costs. This structure creates a high number of welds between the stamped sheet metal parts, sometimes exceeding a hundred, making the welding process complex. The heat of welding increases the risk of deformation, affecting workpiece precision. Furthermore, the numerous joints create stress concentration, reducing structural strength. Furthermore, to ensure a tight seal, a relatively large amount of glue must be applied. Utility Model Content
[0004] The present application provides a rear panel assembly, its mounting structure, and a vehicle to solve technical problems such as high cost, low structural strength, and poor sealing caused by the existing rear panel assembly made of multiple stamped sheet metal parts.
[0005] According to one aspect of the present application, a rear panel assembly is provided, which includes a rear panel, which is configured to be integrally formed and includes a main panel section and a reinforcement rib grid; the main panel section forms an inner cavity that is open on one side in the X direction, and the reinforcement rib grid is located in the inner cavity and is a cross rib structure that covers the entire inner cavity.
[0006] In an optional scheme of the present application, the reinforcement grid includes a middle cross rib section and end cross rib sections arranged at both ends of the middle cross rib section in the Y direction; the middle cross rib section is located in the middle of the main plate section and includes at least one rib extending in the Y direction and multiple ribs extending in the Z direction, and the multiple ribs extending in the Z direction are arranged at intervals along the Y direction and cross with the ribs extending in the Y direction; the end cross rib section is located at the end of the main plate section and includes at least one cross rib group, the cross rib group includes multiple ribs, and the multiple ribs cross at one point and are radial.
[0007] In an optional solution of the present application, there are multiple cross rib groups, and two adjacent cross rib groups share one rib.
[0008] In an optional solution of the present application, each rib in the reinforcement grid is concave and arranged according to the shape of the inner cavity.
[0009] In an optional solution of the present application, a lock mounting plate is further included, and an inner recess is formed in the middle of the Z-upward side of the main plate section; the lock mounting plate is connected to the main plate section and is located in the inner recess.
[0010] In an optional solution of the present application, the rear panel also includes a lower ear plate section and an upper end ear plate section; the lower ear plate section extends outward from the Z-downward side of the main plate section along the Z direction, and the upper end ear plate section is located at both ends of the main plate section and extends outward from the Z-upward side of the main plate section along the Z direction.
[0011] According to another aspect of the present application, a rear panel assembly mounting structure is provided, comprising a rear pillar lower inner panel, a rear taillight box, a side panel outer panel extension panel, a rear floor panel, and the above-mentioned rear panel assembly; the rear pillar lower inner panel and the rear taillight box are spaced apart in the X direction, and the rear pillar lower inner panel is connected to the ear plate section at the upper end portion of the rear panel, and the rear taillight box is connected to one side of the main panel section in the X direction; the side panel outer panel extension panel is connected to one side of the main panel section in the X direction, and the connection point formed in the main panel section is located below the rear taillight box; the rear floor panel is located on the Z downward side of the main panel section and is connected to the lower ear plate section of the rear panel.
[0012] In an optional solution of the present application, a lock is also included, which is connected to a lock mounting plate in the rear panel assembly.
[0013] In an optional solution of the present application, a wiring harness buckle is also included, which is arranged in the inner cavity and located at the intersection of the ribs in the reinforcement grid.
[0014] According to another aspect of the present application, a vehicle is provided, which includes the above-mentioned rear panel assembly mounting structure.
[0015] In summary, the rear panel assembly, its mounting structure, and the vehicle provided by this application have at least the following beneficial effects:
[0016] The rear panel in the rear panel assembly includes a main panel section and a reinforcement rib grid. The main panel section forms an inner cavity, and the reinforcement rib grid is a cross-rib structure and is located in the inner cavity and covers the entire inner cavity.
[0017] It should be understood that the cross-ribbed reinforcement grid ensures sufficient structural strength for the rear panel. This rear panel is manufactured using a one-piece molding process, avoiding the problems associated with welding and assembling multiple sheet metal stampings. Specifically, this reduces the need for auxiliary equipment such as molds, gauges, and fixtures, lowering production costs. It also simplifies the production process, improves efficiency, and achieves higher workpiece precision. The absence of seams eliminates the need for glue application, while maintaining excellent sealing. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] To more clearly illustrate the specific embodiments of this application or the technical solutions in the prior art, the following briefly introduces the drawings required for the specific embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be derived from these drawings without inventive effort.
[0019] Figure 1 A schematic diagram of a rear panel assembly provided according to one embodiment of the present application;
[0020] Figure 2 for Figure 1 Exploded view of the rear panel assembly;
[0021] Figure 3 for Figure 1 Schematic diagram of the rear panel in FIG;
[0022] Figure 4 for Figure 3 A local enlarged view of the S in the middle;
[0023] Figure 5 A schematic diagram of a rear panel assembly installation structure provided according to one embodiment of the present application;
[0024] Figure 6 for Figure 5 Partial cross-sectional view at AA in the middle;
[0025] Figure 7 for Figure 5 Partial cross-sectional view at the middle BB;
[0026] Figure 8 for Figure 5 A partial schematic diagram of the center rear panel assembly mounting structure with a lock installed.
[0027] The reference numerals are as follows:
[0028] 100, rear panel assembly; 101, 104, rivets; 102, 103, bolts;
[0029] 10. Rear panel; 11. Main panel section; P, inner notch; R, inner cavity;
[0030] 12. Reinforcement grid; 121. Middle cross rib section; 122. End cross rib section; 1221. Cross rib group;
[0031] 13. Lower ear plate section; 14. Upper end ear plate section;
[0032] 20. Lock mounting plate;
[0033] 30. Rear pillar lower inner panel; 40. Rear taillight box; 50. Side panel outer panel extension; 60. Rear floor; 70. Lock; 80. Wiring harness buckle. DETAILED DESCRIPTION
[0034] In the description of this application, it should be understood that if the terms "upper" and "lower" appear in descriptions indicating orientation or positional relationships, unless otherwise specified, they are understood to be based on the orientation or positional relationships shown in the accompanying drawings. This is only for the convenience of describing this application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on this application.
[0035] Furthermore, the use of "first" or "second" in describing features is for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features identified. Features identified as "first" or "second" may explicitly or implicitly include at least one of the identified features. The use of the word "plurality" generally implies at least two, such as two or three, unless otherwise specifically defined.
[0036] In this application, unless otherwise specified or limited, terms such as "mounted," "connected," "connect," and "fixed" should be interpreted broadly. For example, they can refer to fixed connections, removable connections, or integration; mechanical connections, electrical connections, direct connections, or indirect connections through an intermediary; and internal connections between two components or interactions between two components. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.
[0037] In the description of this specification, if the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" appear, it means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic expressions of the above terms do 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 different embodiments or examples described in this specification and the features of different embodiments or examples without contradiction.
[0038] It should be noted that the "X," "Y," and "Z" directions mentioned in this application represent a rectangular coordinate system based on the vehicle, where the X direction represents the vehicle's length, the Y direction represents the vehicle's width, and the Z direction represents the vehicle's height. These orientation definitions are provided primarily to facilitate understanding of this solution and should not be construed as limiting this solution.
[0039] The existing rear panel assembly is assembled by welding multiple stamped sheet metal parts. The use of multiple sheet metal parts assembly solution will lead to at least the following problems:
[0040] First, different stamping sheet metal parts require matching stamping dies, fixtures, and inspection tools, resulting in high production costs.
[0041] Second, the welding process is complex, with a large number of weld points and cumbersome production processes, resulting in low efficiency. Furthermore, the heat from welding increases the risk of deformation, affecting workpiece accuracy.
[0042] Third, the number of joints formed by stamped sheet metal parts is large, the structural strength is relatively low, and to ensure sealing, glue needs to be applied at the joints;
[0043] Fourth, the stamped sheet metal parts are all made of steel, which makes the entire rear panel assembly heavier.
[0044] To address the above-mentioned problems, the present application provides a rear panel assembly 100 . Figure 1 Schematic diagram of a rear panel assembly 100 provided according to one embodiment of the present application. Figure 2 for Figure 1 Exploded view of the rear panel assembly 100. Figure 3 for Figure 1 Schematic diagram of the rear panel 10 in FIG.
[0045] See also Figure 1 and Figure 2 The rear panel assembly 100 includes a rear panel 10, which is integrally formed and comprises a main panel section 11 and a reinforcement rib grid 12. The main panel section 11 defines an inner cavity R that is open to one side in the X direction. The reinforcement rib grid 12 is located within the inner cavity R and comprises a cross-rib structure that covers the entire inner cavity R.
[0046] In this embodiment, the rear panel assembly 100 has at least an integrally formed rear panel 10, and the rear panel 10 has at least a main panel section 11 and a reinforcement rib grid 12, wherein the main panel section 11 forms an inner cavity R, and the inner cavity R is open on one side in the X direction.
[0047] The reinforcement grid 12 is a cross-rib structure formed by a plurality of cross-ribs and covers the entire inner cavity R. It is understood that in the event of a vehicle collision, the inner cavity R can absorb energy, and the reinforcement grid 12 located therein and in the form of a cross-rib structure can ensure that the rear panel 10 has sufficient structural strength.
[0048] Furthermore, the rear panel 10 is manufactured using an integrated molding process, avoiding the problems associated with welding and assembling multiple sheet metal stamping parts. Specifically, this reduces the need for auxiliary equipment such as molds, gauges, and fixtures, lowering production costs. This simplifies the production process, improves production efficiency, and achieves higher workpiece precision. Furthermore, the absence of seams eliminates the need for glue application, yet provides excellent sealing.
[0049] It should be noted that the rear panel 10 can be integrally formed by sand casting, die casting or other processes, and made of aluminum alloy material to reduce weight and facilitate lightweight design of the vehicle.
[0050] Figure 4 for Figure 3 A partial enlarged view of the S in the middle. Figure 3 and Figure 4 In a further optional embodiment, the reinforcement grid 12 includes a central cross rib segment 121 and end cross rib segments 122 arranged at both ends of the central cross rib segment 121 in the Y direction.
[0051] The middle cross rib section 121 is located in the middle of the main plate section 11 and includes at least one rib extending in the Y direction and multiple ribs extending in the Z direction. The multiple ribs extending in the Z direction are spaced apart along the Y direction and cross the ribs extending in the Y direction.
[0052] The end cross rib section 122 is located at the end of the main plate section 11 and includes at least one cross rib group 1221 . The cross rib group 1221 includes a plurality of ribs, and the plurality of ribs intersect at one point and are radially arranged.
[0053] In this embodiment, the reinforcement rib grid 12 is primarily composed of two parts: a cross-shaped central cross-rib segment 121 and radial end cross-rib segments 122. The central cross-rib segment 121 is located in the middle of the main plate segment 11, i.e., in the middle of the inner cavity R. The end cross-rib segments 122 are located at both ends of the main plate segment 11, i.e., at both ends of the inner cavity R, thus forming a reinforcement rib grid 12 that covers the entire inner cavity R.
[0054] Furthermore, the middle cross rib section 121 is mainly composed of at least one rib extending in the Y direction and multiple ribs extending in the Z direction, forming a cross shape. The end cross rib group 1221 is mainly composed of at least one cross rib group 1221, which is composed of multiple ribs that cross in a radial pattern.
[0055] The central cross rib section 121 is crisscrossed, enhancing frontal impact resistance. The end cross rib sections 122 are radially arranged, ensuring high torsional rigidity at the ends and ensuring side impact resistance. Thus, the combination of grid ribs of various shapes can enhance the structural strength of the entire rear panel 10.
[0056] In a further optional embodiment, there are multiple cross rib groups 1221, and two adjacent cross rib groups 1221 share one rib.
[0057] In this embodiment, for each cross rib group 1221 in the end cross rib segment 122, two adjacent ones are connected by sharing a rib to connect the cross rib groups 1221 together to form the end cross rib segment 122, so that the integrated end cross rib segment 122 composed of multiple cross rib groups 1221 can provide higher torsional stiffness.
[0058] exist Figure 4 In the illustrated embodiment, the number of the cross rib groups 1221 is 3, but this is not limited to the embodiment, and the number can be adjusted according to needs.
[0059] In a further optional embodiment, each rib in the reinforcement grid 12 is concave and arranged according to the shape of the inner cavity R.
[0060] In this embodiment, each rib in the reinforcement grid 12 is concave. This concave shape refers to the concave shape of each rib on the side facing the opening. Each rib is contained within the inner cavity R, preventing interference with surrounding components and reducing material usage. Furthermore, each rib conforms to the inner cavity R, ensuring that it covers the inner cavity R.
[0061] In some optional embodiments, the rear panel assembly 100 also includes a lock mounting plate 20, and an inner recess P is formed in the middle of the Z-upward side of the main panel section 11. The lock mounting plate 20 is connected to the main panel section 11 and is located in the inner recess P.
[0062] In this embodiment, the rear panel assembly 100 further includes a latch mounting plate 20 for mounting the latch. The main panel section 11 is formed with an inner recess P located on the Z-upward side of the main panel section 11, and the latch mounting plate 20 is received in the inner recess P.
[0063] It should be noted that the inner recess P is located in the middle of the main plate segment 11 , and the middle cross rib segment 121 can provide good support for the main plate segment 11 at the location of the inner recess P, thereby ensuring the structural strength of the assembly position.
[0064] In the illustrated embodiment, the latch mounting plate 20 is installed by riveting, specifically by rivets 101 at the inner recess P. Furthermore, the latch mounting plate 20 has an "X"-shaped cross-section, which effectively enhances its load-bearing performance, rigidity, and the strength and durability of the mounting point.
[0065] In some optional embodiments, the rear panel 10 further includes a lower ear panel section 13 and an upper end ear panel section 14. The lower ear panel section 13 extends outwardly from the Z-downward side of the main panel section 11 along the Z-direction, and the upper end ear panel section 14 is located at both ends of the main panel section 11 and extends outwardly from the Z-upward side of the main panel section 11 along the Z-direction.
[0066] In this embodiment, the rear panel 10 further includes a lower lug section 13 and an upper end lug section 14. The lower lug section 13 extends downward in the Z direction from the Z-downward side of the main panel section 11, while the upper end lug section 14 extends upward in the Z direction from the Z-upward end of the main panel section 11. The end here refers to the Y-direction end of the main panel section 11. The rear panel 10 can be connected to relevant components at the rear end of the vehicle via the lower lug section 13 and the upper end lug section 14.
[0067] Figure 5 This is a schematic diagram of a rear panel assembly installation structure provided according to one embodiment of the present application. Figure 6 for Figure 5 Partial cross-sectional view at AA in the middle. Figure 7 for Figure 5 Partial cross-sectional view at the middle BB.
[0068] See also Figures 5 to 7 On the other hand, the present application also provides a rear panel assembly installation structure, including a rear pillar lower inner panel 30, a rear taillight box 40, a side panel outer panel extension plate 50, a rear floor 60 and a rear panel assembly 100.
[0069] The rear pillar lower inner panel 30 and the rear tail light box 40 are spaced apart in the X direction, and the rear pillar lower inner panel 30 is connected to the upper end ear plate section 14 of the rear panel 10, and the rear tail light box 40 is connected to one side of the main panel section 11 in the X direction.
[0070] The side panel extension 50 is connected to one side of the main panel section 11 in the X direction, and the connection point formed on the main panel section 11 is located below the rear taillight box 40. The rear floor 60 is located on the Z-down side of the main panel section 11 and connected to the lower ear panel section 13 of the rear panel 10.
[0071] In this embodiment, the rear panel assembly mounting structure comprises at least a rear pillar lower inner panel 30 , a rear tail light box 40 , a side panel outer panel extension plate 50 , a rear floor panel 60 and a rear panel assembly 100 .
[0072] The rear pillar lower inner panel 30, the rear taillight box 40, and the side panel outer extension 50 are all connected to one end of the rear panel 10 in the Y direction. Specifically, the rear pillar lower inner panel 30 is connected to the upper end ear panel section 14, the rear taillight box 40 is connected to the non-opening side of the main panel section 11, and the side panel outer extension 50 is also connected to the non-opening side of the main panel section 11, with the connection point formed with the main panel section 11 located below the rear taillight box 40. Furthermore, a rear floor panel 60 is provided on the Z-downward side of the main panel section 11 to connect to the lower ear panel section 13.
[0073] See also Figure 6 and Figure 7 In practical applications, the rear pillar lower inner panel 30 is screwed to the upper end ear panel section 14, specifically by bolts 102. The rear taillight housing 40 and the side panel extension 50 are both riveted to the non-opening side of the main panel section 11. The rear floor panel 60 is also riveted to the lower ear panel section 13, specifically by rivets 104.
[0074] It should be noted that, in a specific application, the rear panel 10 is made of aluminum alloy. In order to ensure connection reliability, the rear panel 10 and the relevant sheet metal stamping parts at the rear end of the vehicle are spliced in a non-welding manner.
[0075] It should be noted that the rear pillar lower inner panel 30 is part of the vehicle's rear pillar assembly (also known as the C-pillar or D-pillar), and the side panel extension 50 is part of the vehicle's side panel assembly. The Y-axis ends of the rear panel 10 are connected to the left and right rear pillar assemblies, the left and right side panel extensions, and the left and right rear taillight boxes.
[0076] In some optional embodiments, the rear panel assembly mounting structure further includes a wiring harness buckle 80 , which is disposed in the inner cavity R and located at the intersection of the ribs in the reinforcement grid 12 .
[0077] In this embodiment, the harness clip 80 is fixedly installed at the intersection of the ribs. As mentioned above, the ribs are concave, so the harness clip 80 is located in the inner cavity R. In this way, part of the vehicle's wiring harness can be arranged in the inner cavity R via the harness clip 80, which helps to increase the storage space of the trunk.
[0078] Figure 8 for Figure 5 A partial schematic diagram of the middle rear panel assembly mounting structure being installed with a lock 70. In a further optional embodiment, the rear panel assembly mounting structure further includes a lock 70, which is connected to the lock mounting plate 20 in the rear panel assembly 100.
[0079] In this embodiment, the rear panel assembly mounting structure further includes a lock catch 70 for cooperating with a lock on the trunk door to lock the trunk door. In a specific application, the lock catch 70 is connected to the lock catch mounting plate 20 via a bolt 103.
[0080] Another aspect of the present application provides a vehicle having the above-mentioned rear panel assembly mounting structure. Therefore, it is obvious that all the advantages brought by the above-mentioned rear panel assembly mounting structure are possessed, and a detailed description thereof will not be repeated here.
[0081] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Those skilled in the art can change, modify, replace and modify the above embodiments within the scope of the present application.
Claims
1. A rear panel assembly, characterized in that: The rear panel (10) is configured to be integrally formed and includes a main body panel section (11) and a reinforcement rib grid (12); The main body plate section (11) is formed with an inner cavity (R) that is open on one side in the X direction, and the reinforcing rib grid (12) is located in the inner cavity (R) and is a cross rib structure that covers the entire inner cavity (R).
2. The rear panel assembly according to claim 1, characterized in that: The reinforcing rib grid (12) comprises a middle cross rib section (121) and end cross rib sections (122) arranged at both ends of the middle cross rib section (121) in the Y direction; The middle cross rib section (121) is located in the middle of the main body section (11) and includes at least one rib extending in the Y direction and a plurality of ribs extending in the Z direction, wherein the plurality of ribs extending in the Z direction are spaced apart along the Y direction and cross the ribs extending in the Y direction; The end cross rib section (122) is located at the end of the main plate section (11) and includes at least one cross rib group (1221). The cross rib group (1221) includes a plurality of ribs, and the plurality of ribs intersect at one point and are radially arranged.
3. The rear panel assembly according to claim 2, characterized in that: There are multiple cross rib groups (1221), and two adjacent cross rib groups (1221) share one rib.
4. The rear wall panel assembly according to any one of claims 1 to 3, characterized in that: Each rib in the reinforcement grid (12) is concave and arranged according to the shape of the inner cavity (R).
5. The rear panel assembly according to claim 1, characterized in that: It also includes a lock mounting plate (20), and an inner notch (P) is formed in the middle of the Z-upward side of the main body plate section (11); The lock mounting plate (20) is connected to the main body plate section (11) and is located in the inner recess (P).
6. The rear panel assembly according to claim 1, characterized in that: The rear panel (10) further includes a lower ear plate section (13) and an upper end ear plate section (14); The lower ear plate section (13) extends outward along the Z direction from the Z-downward side of the main plate section (11), and the upper end ear plate section (14) is located at both ends of the main plate section (11) and extends outward along the Z direction from the Z-upward side of the main plate section (11).
7. A rear panel assembly installation structure, characterized in that: The invention comprises a rear pillar lower inner panel (30), a rear tail light box (40), a side panel outer panel extension panel (50), a rear floor panel (60), and a rear panel assembly (100) according to any one of claims 1 to 6; The rear pillar lower inner plate (30) and the rear tail light box (40) are spaced apart in the X direction, and the rear pillar lower inner plate (30) is connected to the upper end ear plate section (14) of the rear panel (10), and the rear tail light box (40) is connected to one side of the main body panel section (11) in the X direction; The side outer panel extension plate (50) is connected to one side of the main body panel section (11) in the X direction, and the connection point formed on the main body panel section (11) is located below the rear tail light box (40); The rear floor (60) is located on the Z-downward side of the main body panel section (11) and is connected to the lower ear panel section (13) of the rear enclosure panel (10).
8. The rear panel assembly mounting structure according to claim 7, characterized in that: It also includes a lock buckle (70), which is connected to the lock buckle mounting plate (20) in the rear panel assembly (100).
9. The rear panel assembly mounting structure according to claim 7, characterized in that: It also includes a wire harness buckle (80), which is arranged in the inner cavity (R) and located at the intersection of ribs in the reinforcing rib grid (12).
10. A vehicle, characterized in that: The vehicle includes the rear quarter panel assembly mounting structure according to any one of claims 7 to 9.