Vehicle door reinforcing plate, vehicle door assembly and vehicle
By designing door reinforcement plates of alternating thicknesses and using integrated stamping, the weight and energy consumption problems caused by the large thickness of the door reinforcement plates were solved, achieving lightweighting and simplified manufacturing of the door.
Patent Information
- Application Number
- CN202520284415.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-21
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-02-21
AI Technical Summary
The existing door hinge reinforcement plates and limiter reinforcement plates are quite thick, which is not conducive to reducing door weight and energy consumption. At the same time, manufacturing requires multiple sets of molds and inspection tools, which is not conducive to the lean design of the whole vehicle.
Design a door reinforcement plate including alternating reinforcement areas and transition areas, with the thickness of the reinforcement areas gradually decreasing towards the transition areas. It is formed by one-piece stamping to meet performance requirements while achieving lightweighting of the parts.
While ensuring the structural strength of the door, the weight of the door is effectively reduced, the energy consumption of the whole vehicle is reduced, and the manufacturing process is simplified to reduce costs.
Smart Images
Figure CN223821436U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of vehicle door technology, and in particular to a door reinforcement plate, a door assembly, and a vehicle. Background Technology
[0002] Door hinge reinforcement plates and door limiter reinforcement plates are important components in the structure of automobile doors. Door hinge reinforcement plates can increase the structural strength of the door hinge area, and door limiter reinforcement plates can increase the structural strength of the door limiter area, ensuring the stability and durability of the door when opening and closing.
[0003] The existing door hinge reinforcement plate and door limiter reinforcement plate are fixed to the door. The door hinge reinforcement plate is used to install the hinge assembly and needs to meet the requirements of door sag and opening / closing durability. The door limiter reinforcement plate is used to install the limiter and needs to meet the requirements of door over-opening strength and opening / closing durability. Therefore, the door hinge reinforcement plate and door limiter reinforcement plate are relatively thick, generally 1.4-1.8mm, which is not conducive to the requirements of door weight reduction and energy consumption reduction. At the same time, the manufacturing of the door hinge reinforcement plate and the door limiter reinforcement plate requires the use of different molds and different inspection tools, which is not conducive to the lean design of the whole vehicle. Utility Model Content
[0004] The purpose of this utility model is to solve the aforementioned technical problems by providing a door reinforcement plate, a door assembly, and a vehicle, thereby meeting the performance requirements of the door reinforcement plate while effectively reducing weight. To achieve the above objective, the technical solution of this utility model is as follows:
[0005] The door reinforcement plate includes a reinforcement area and a transition area, the reinforcement area and the transition area are alternately arranged and integrally connected, and the thickness of the reinforcement area gradually decreases in the direction towards the transition area.
[0006] Specifically, the reinforced area includes a hinge reinforcement and / or a limiter reinforcement, wherein the hinge reinforcement is used to install a hinge and the limiter reinforcement is used to install a limiter.
[0007] Specifically, the limiter reinforcement is located in the middle of the door reinforcement plate, and the hinge reinforcement is located at both ends near the door reinforcement plate.
[0008] Specifically, several of the reinforcing regions have a uniform thickness structure, and the thicknesses of the reinforcing regions having the uniform thickness structure are equal or unequal.
[0009] Specifically, at least one of the reinforcing regions has an unequal thickness structure, and the thickness of the middle part of the reinforcing region is greater than the thickness of its two ends.
[0010] Specifically, the end of the transition region near the reinforcing region is connected to the reinforcing region with the same thickness, the thickness of the middle part of the transition region is less than the thickness of its two ends, or the thickness of one end of the transition region is less than the thickness of its other end.
[0011] Specifically, at least one of the reinforced areas is provided with a reinforcing rib, which abuts against the inner panel of the door.
[0012] The door assembly includes the aforementioned door reinforcement plate and the door.
[0013] Specifically, the car door includes an inner panel, which includes a first inner panel and a second inner panel. The first inner panel and the second inner panel are connected to form a height difference. The first inner panel is close to the front end of the car door, and the second inner panel is close to the rear end of the car door. The car door reinforcing plate is fixed to the first inner panel and the second inner panel along the height direction of the car door.
[0014] The vehicle, including the aforementioned door reinforcement plate or door assembly.
[0015] Compared with the prior art, the beneficial effects of this utility model on the door reinforcement plate, door assembly, and vehicle are mainly reflected in:
[0016] On the car door, reinforced areas are designed in locations where performance attributes need to be ensured, while transition areas are designed in locations where performance attributes are not required. The thickness of the reinforced areas gradually decreases towards the transition areas, so that the overall car door can achieve the ultimate in lightweight design of components while meeting performance attribute requirements. The transition areas are effectively reduced in weight, thereby reducing the overall weight of the car door and reducing the energy consumption of the whole vehicle. Attached Figure Description
[0017] Figure 1 A partial structural schematic diagram of a car door is provided for an embodiment of this application.
[0018] Figure label:
[0019] Reinforced area 1, hinge reinforcement 11, first hinge reinforcement 11a, second hinge reinforcement 11b, limiter reinforcement 12, reinforcing rib 13;
[0020] Transition region 2, first transition section 21, second transition section 22, third transition section 23;
[0021] Door inner panel 3, first inner panel 31, second inner panel 32. Detailed Implementation
[0022] To make the technical solutions and advantages of the embodiments of this application clearer, the exemplary embodiments of this application will be described in further detail below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not an exhaustive list of all embodiments. It should be noted that, unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other.
[0023] Example 1
[0024] This embodiment provides a door reinforcement plate for fixing to the door. The door reinforcement plate can enhance the connection strength and support performance of the door, and improve the overall durability of the door. The following is a detailed description.
[0025] like Figure 1 As shown, the door reinforcement plate includes a reinforcement area 1 and a transition area 2. The reinforcement area 1 and the transition area 2 are alternately arranged and integrally connected. The thickness of the reinforcement area 1 gradually decreases in the direction towards the transition area 2.
[0026] The design includes multiple reinforcement zones (1) and multiple transition zones (2). Reinforcement zones 1 are designed at locations on the door where performance attributes are crucial, while transition zones 2 are designed at locations where performance attributes are not critical. The thickness of reinforcement zones 1 gradually decreases towards transition zones 2, maximizing lightweight design while meeting performance requirements. This effectively reduces the weight of transition zones 2, thereby lowering the overall door weight and reducing vehicle energy consumption. Performance attributes refer to the door reinforcement plate's ability to meet performance, reliability, and durability requirements in simulation analysis, fulfilling the functional needs of the installed components. The door reinforcement plate is integrally stamped, avoiding the traditional method of multiple parts fixed to the door. This reduces the complexity of assembling the door reinforcement plate and saves manufacturing costs, eliminating the need for multiple molds and fixtures.
[0027] In one embodiment, the reinforced region 1 includes a hinge reinforcement 11 and / or a limiter reinforcement 12, wherein the hinge reinforcement 11 is used to install a hinge and the limiter reinforcement 12 is used to install a limiter.
[0028] Specifically, the reinforced area 1 includes a first hinge reinforcement 11a, a second hinge reinforcement 11b, and a limiter reinforcement 12. Since at least two hinges need to be installed on the door, the first hinge reinforcement 11a and the second hinge reinforcement 11b can be fitted with hinges respectively. The first hinge reinforcement 11a and the second hinge reinforcement 11b can meet the performance requirements of door sag and opening / closing durability. The limiter reinforcement 12 can meet the performance requirements of door over-opening strength and opening / closing durability.
[0029] In other embodiments, the reinforced area 1 includes a plurality of hinge reinforcements 11 and a plurality of limiter reinforcements 12 to meet the needs of different door types. The hinges and limiters are arranged adaptively according to the height of the door. When the height of the door is large, the height of the door reinforcement plate is also adaptively increased, and the door reinforcement plate can have a significant weight reduction effect.
[0030] In one embodiment, the limiter reinforcement 12 is located in the middle of the door reinforcement plate, one hinge reinforcement 11 is close to one end of the door reinforcement plate, and another hinge reinforcement 11 is close to the other end of the door reinforcement plate.
[0031] Specifically, the transition area 2 includes a first transition section 21, a second transition section 22, and a third transition section 23, and the door reinforcement plate includes a first hinge reinforcement section 11a, a first transition section 21, a limiter reinforcement section 12, a second transition section 22, a second hinge reinforcement section 11b, and a third transition section 23 arranged sequentially from top to bottom along the height direction of the door.
[0032] The first hinge reinforcement 11a is located near the top of the door, and the third transition part 23 is located near the bottom of the door. The first hinge reinforcement 11a and the second hinge reinforcement 11b are roughly distributed at both ends of the door reinforcement plate to ensure stable hinge installation and achieve stable opening and closing of the door. The limiter reinforcement 12 is roughly located in the middle of the door reinforcement plate to ensure that the limiter can bear force evenly and further improve the stable opening and closing effect of the door.
[0033] In one embodiment, several reinforcing regions 1 are of equal thickness, and the thicknesses of the reinforcing regions 1 having equal thickness are either equal or unequal.
[0034] Specifically, the first hinge reinforcement 11a, the second hinge reinforcement 11b, and the limiter reinforcement 12 can all be of equal thickness, or partially of equal thickness. Equal thickness means that the cross-sectional width is consistent, and the thickness refers to the cross-sectional width.
[0035] When the first hinge reinforcement 11a, the second hinge reinforcement 11b, and the limiter reinforcement 12 are all of equal thickness, the thicknesses of the first hinge reinforcement 11a and the second hinge reinforcement 11b are equal, or the thicknesses of the first hinge reinforcement 11a and the limiter reinforcement 12 are equal, or the thicknesses of the second hinge reinforcement 11b and the limiter reinforcement 12 are equal, or the thicknesses of the first hinge reinforcement 11a, the second hinge reinforcement 11b, and the limiter reinforcement 12 are all equal, or the thicknesses of the first hinge reinforcement 11a, the second hinge reinforcement 11b, and the limiter reinforcement 12 are all unequal. Considering the differences in the weight of the installed components and the performance requirements of the components, the thicknesses of the first hinge reinforcement 11a, the second hinge reinforcement 11b, and the limiter reinforcement 12 can be designed to be unequal, and the thicknesses can be adaptively adjusted according to the different performance requirements of the components. In this embodiment, the first hinge reinforcement 11a, the second hinge reinforcement 11b, and the limiter reinforcement 12 all have the same thickness of 1.2mm.
[0036] In one embodiment, at least one reinforcing region 1 has an unequal thickness structure, and the thickness of the middle part of the reinforcing region 1 is greater than the thickness of its two ends.
[0037] Specifically, the first hinge reinforcement 11a, the second hinge reinforcement 11b, and the limiter reinforcement 12 can all be of unequal thickness, or partially unequal thickness. To ensure the performance properties of the reinforcement region 1, the thickness of the middle part of each reinforcement region 1 is greater than the thickness of its two ends, so that the middle part of the reinforcement region 1 has better connection strength, while the thinner ends of the reinforcement region 1 can reduce weight. In this embodiment, the maximum thickness of the middle part of the reinforcement region 1 is 1.2 mm.
[0038] In one embodiment, the transition region 2 is connected to the reinforcing region 1 at the end near the reinforcing region 1 with the same thickness, and the thickness of the middle part of the transition region 2 is less than the thickness of its two ends, or the thickness of one end of the transition region 2 is less than the thickness of its other end.
[0039] Specifically, the thickness of the middle part of the first transition part 21 is less than the thickness of its two ends, the thickness of the middle part of the second transition part 22 is less than the thickness of its two ends, and the thickness of one end of the third transition part 23 that connects to the second hinge reinforcement part 11b is greater than the thickness of the other end of the third transition part 23.
[0040] The transition region 2 has an unequal thickness structure. It serves as a connecting component between adjacent reinforcing regions 1, or as the end of the door reinforcement plate. Under non-performance requirements, its weight can be appropriately reduced, correspondingly decreasing its thickness. To ensure smooth connection between the reinforcing regions 1 and transition regions 2 in the door reinforcement plate, the end of the transition region 2 closest to the reinforcing region 1 is connected to it with the same thickness as the reinforcing region 1, avoiding any step difference at the connection point and thus preventing a reduction in the performance of the door reinforcement plate. In this embodiment, the minimum thickness of the transition region 2 is 1.0 mm.
[0041] Example 2
[0042] This embodiment provides a door assembly, including the door reinforcement plate and door as described in the above embodiments.
[0043] In one embodiment, the door includes an inner panel 3, which includes a first inner panel 31 and a second inner panel 32. The first inner panel 31 and the second inner panel 32 are connected to form a height difference. The first inner panel 31 is close to the front end of the door, and the second inner panel 32 is close to the rear end of the door. A door reinforcement plate is fixed to the first inner panel 31 and the second inner panel 32 along the height direction of the door.
[0044] Among them, such as Figure 1 As shown, the front end of the door points towards the direction of vehicle movement, and the rear end of the door points towards the direction of vehicle reversal. The door reinforcement plate strengthens the structural strength at the connection between the first inner panel 31 and the second inner panel 32. The door reinforcement plate is connected to the inner panel 3, ensuring the continuity of the force transmission path, effectively improving the durability of the inner panel 3, and reducing the risk of deformation of the inner panel 3.
[0045] In one embodiment, at least one reinforcing region 1 is provided with a reinforcing rib 13, which abuts against the inner panel 3 of the door, specifically at the connection between the first inner panel 31 and the second inner panel 32.
[0046] The first hinge reinforcement 11a and the limiter reinforcement 12 are both provided with reinforcing ribs 13, which effectively improve the structural strength of the reinforcement area 1 and further enhance the durability and stability of the inner door panel 3.
[0047] Example 3
[0048] This embodiment provides a vehicle, including the door reinforcement plate or door assembly described in the above embodiments. The vehicle of this embodiment has the effective effects provided by the door reinforcement plate described in the above embodiments, which will not be elaborated further here.
[0049] In the description of this application, it should be understood that the terms "height direction", "width", "thickness", "upper", "lower", "front", "rear", "top", "bottom" and "inner", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.
[0050] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "several" means at least two, such as two, three, etc., unless otherwise explicitly specified. In this application, unless otherwise explicitly specified and limited, the terms "installation," "connection," "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two elements or the interaction between two elements. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.
[0051] Although preferred embodiments of this application have been described, those skilled in the art, upon learning the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments as well as all changes and modifications falling within the scope of this application.
[0052] Obviously, those skilled in the art can make various modifications and variations to this application without departing from the spirit and scope of this application. Therefore, if such modifications and variations fall within the scope of the claims of this application and their equivalents, this application also intends to include such modifications and variations.
Claims
1. A door reinforcement plate, characterized in that: It includes a reinforcing region (1) and a transition region (2), the reinforcing region (1) and the transition region (2) are alternately arranged and integrally connected, and the thickness of the reinforcing region (1) gradually decreases in the direction towards the transition region (2).
2. The door reinforcement plate according to claim 1, characterized in that: The reinforced area (1) includes a hinge reinforcement (11) and / or a limiter reinforcement (12), wherein the hinge reinforcement (11) is used to install a hinge and the limiter reinforcement (12) is used to install a limiter.
3. The door reinforcement plate according to claim 2, characterized in that: The limiter reinforcement (12) is located in the middle of the door reinforcement plate, and the hinge reinforcement (11) is located at both ends near the door reinforcement plate.
4. The door reinforcement plate according to claim 1, characterized in that: Some of the reinforcing regions (1) are of equal thickness, and the thickness of the reinforcing regions (1) having the equal thickness structure is equal or unequal.
5. The door reinforcement plate according to claim 1, characterized in that: At least one of the reinforcing regions (1) is a structure with unequal thickness, and the thickness of the middle part of the reinforcing region (1) is greater than the thickness of its two ends.
6. The door reinforcement plate according to claim 1, characterized in that: The transition region (2) is connected to the reinforcing region (1) at the end near the reinforcing region (1) with the same thickness. The thickness of the middle part of the transition region (2) is less than the thickness of its two ends, or the thickness of one end of the transition region (2) is less than the thickness of its other end.
7. The door reinforcement plate according to claim 1, characterized in that: At least one of the reinforced areas (1) is provided with a reinforcing rib (13), which abuts against the inner panel (3) of the door.
8. A door assembly, characterized in that: Includes the door reinforcement plate and door as described in any one of claims 1-7.
9. The door assembly according to claim 8, characterized in that: The vehicle door includes an inner panel (3), which comprises a first inner panel (31) and a second inner panel (32). The first inner panel (31) and the second inner panel (32) are connected to form a height difference. The first inner panel (31) is close to the front end of the door, and the second inner panel (32) is close to the rear end of the door. The door reinforcement plate is fixed to the first inner panel (31) and the second inner panel (32) along the height direction of the door.
10. A vehicle, characterized in that: Includes the door reinforcement plate as described in any one of claims 1-7 or the door assembly as described in any one of claims 8-9.