Automobile door assembly

By using continuous fiber-reinforced thermoplastic composites as reinforced waist beams and reinforcement plates in automotive door assembly, and connecting them through laser welding, the problems of low strength and excessive weight of existing door assembly are solved, achieving higher concave resistance and lighter door assembly.

CN223045522UActive Publication Date: 2025-07-01NINGBO XINTAI MACHINERY
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Patent Information

Application Number
CN202422006445.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-16
Publication Date
2025-07-01
Estimated Expiration
2034-08-16

AI Technical Summary

Technical Problem

The existing car door assembly has low strength, poor concave resistance and scratch resistance, and is heavier overall, which is not conducive to installation and use.

Method used

Continuous fiber reinforced thermoplastic composite parts are used as reinforced waist beams and reinforced plates, connected to the inner door panels and outer door panels through laser welding, replacing the traditional aluminum extrusions, and installing anti-collision beams at key locations.

Benefits of technology

It significantly improves the overall strength and concave resistance of the door, enhances the overall performance of the door, and reduces weight, improving the door opening and closing and installation convenience.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223045522U_ABST
Patent Text Reader

Abstract

The utility model provides an automobile door assembly, which belongs to the technical field of automobile parts and comprises an inner door plate and an outer door plate. The outer door plate is connected with the inner door plate, and a containing space is formed between the outer door plate and the inner door plate; the reinforced waist beam is arranged in the containing space, the reinforced waist beam is connected with the inner door plate and / or the outer door plate, and the reinforced waist beam is a continuous fiber reinforced thermoplastic composite piece. The automobile door assembly has the advantages that the reinforcing waist beam made of the continuous fiber reinforced thermoplastic composite materials is connected with the inner door plate and / or the outer door plate, an aluminum extrusion piece in the prior art is replaced, supporting force can be remarkably increased in the rigidity of the automobile door, concave resistance and the overall performance of the automobile door can be improved, the overall strength of the automobile door assembly is improved, and the service life of the automobile door assembly is prolonged. The weight is light, and the vehicle door is easy to open, close and install.
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Description

Technical Field

[0001] The utility model belongs to the technical field of automotive parts and relates to an automotive door assembly. Background Art

[0002] The automotive door assembly provides a passage for drivers and passengers to enter and exit the vehicle, isolates external interference, reduces side impacts to a certain extent, and protects the occupants. An important point affecting the quality of the door is that the automotive door assembly should have high strength, convenient opening and closing, and installation.

[0003] The main problems of the current automotive door assembly are as follows: low strength, poor anti-denting ability during user use, poor scratch resistance, and the overall weight of the automotive door assembly is relatively heavy, which is not conducive to installation, and there is a large room for improvement. Summary of the Invention

[0004] The purpose of the utility model is to provide an automotive door assembly in view of the above problems existing in the prior art.

[0005] The purpose of the utility model can be achieved by the following technical solutions: An automotive door assembly includes:

[0006] An inner door panel;

[0007] An outer door panel, which is connected to the inner door panel, and a receiving space is formed between the outer door panel and the inner door panel;

[0008] A reinforcing waist beam, which is arranged in the receiving space, the reinforcing waist beam is connected to the inner door panel and / or the outer door panel, and the reinforcing waist beam is set as a continuous fiber reinforced thermoplastic composite.

[0009] In the above-mentioned automotive door assembly, the reinforcing waist beam includes an inner waist beam and an outer waist beam, the inner waist beam is connected to the inner door panel, the outer waist beam is connected to the outer door panel, and both the inner waist beam and the outer waist beam are set as continuous fiber reinforced thermoplastic composites.

[0010] In the above-mentioned automotive door assembly, the inner waist beam is laser welded to the inner door panel, and the outer waist beam is laser welded to the outer door panel.

[0011] In the above-mentioned automotive door assembly, a reinforcing plate is further included, the reinforcing plate is arranged in the receiving space, and the reinforcing plate is connected to the inner door panel.

[0012] In the above-mentioned automotive door assembly, the reinforcing plate includes a molded part, and the molded part is a continuous fiber reinforced thermoplastic composite.

[0013] In the above-mentioned automobile door assembly, the reinforcing plate further includes an insert, the insert is connected to the molded part, and the insert is an aluminum part.

[0014] In the above-mentioned automobile door assembly, the reinforcing plate and the inner door panel are laser welded.

[0015] In the above-mentioned automobile door assembly, it further includes a collision beam, the collision beam is arranged in the accommodation space, and the collision beam is connected to the inner door panel.

[0016] In the above-mentioned automobile door assembly, the collision beam is a hot-formed steel part.

[0017] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0018] 1. The continuous fiber reinforced thermoplastic composite reinforcing waist beam is connected to the inner door panel and / or the outer door panel, replacing the aluminum extrusion part in the prior art, which can significantly increase the supporting force in terms of the rigidity of the door, improve the dent resistance and the overall performance of the door, increase the overall strength of the automobile door assembly, and at the same time, it is lighter in weight, making it easy to open and close the door and install.

[0019] 2. The inner waist beam and the inner door panel are laser welded and the outer waist beam and the outer door panel are laser welded, thereby firmly connecting the inner waist beam and the inner door panel and the outer waist beam and the outer door panel together without gluing, and the connection strength is relatively high.

[0020] 3. The reinforcing plate is a reinforcing structure required for installing key positions such as door locks and hinges. In order to ensure the relatively high strength required for key positions, the reinforcing plate is arranged to be connected to the inner door panel.

[0021] 4. The molded part is arranged as a continuous fiber reinforced thermoplastic composite part, which can ensure that the reinforcing plate can significantly improve the dent resistance and the overall performance of the door, ensure the strength of the reinforcing plate, and at the same time, it is lighter in weight and has less influence on the automobile door assembly.

[0022] 5. The aluminum reinforcing plate is connected to the molded part of the continuous fiber reinforced thermoplastic composite material through an insert, which ensures the strength of the reinforcing plate, and at the same time, it is lighter in weight and has less influence on the automobile door assembly.

[0023] 6. The collision beam is arranged as a hot-formed steel part, which can reduce the degree of damage of the automobile door assembly during a collision, and at the same time, it can increase the stability. Description of the Drawings

[0024] Figure 1 It is a schematic structural diagram of the automobile door assembly of the present utility model.

[0025] Figure 2 It is a schematic internal structure diagram of the present utility model.

[0026] In the figure, 100 is the inner door panel; 200 is the outer door panel; 300 is the reinforced waist beam; 310 is the inner waist beam; 320 is the outer waist beam; 400 is the reinforcement plate; 500 is the anti-collision beam. Detailed implementation manners

[0027] The following are specific embodiments of the present invention and, in conjunction with the accompanying drawings, further describe the technical solutions of the present invention. However, the present invention is not limited to these embodiments.

[0028] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relative positional relationship and movement conditions between components in a specific posture (as shown in the accompanying drawings). If this specific posture changes, then the directional indications will also change accordingly.

[0029] In addition, in the present invention, descriptions such as "first", "second", "one", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present invention, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically defined.

[0030] In the present invention, unless otherwise clearly specified and limited, terms such as "connection" and "fixation" should be understood in a broad sense. For example, "fixation" 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, and can be the internal communication of 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 the present invention can be understood according to specific circumstances.

[0031] In addition, the technical solutions between various embodiments of the present invention can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement it. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present invention.

[0032] The specific embodiments described herein are only examples of the spirit of the present invention. Those skilled in the technical field to which the present invention pertains can make various modifications or supplements to the described specific embodiments or use similar methods for substitution, but will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0033] Such as Figure 1, Figure 2 As shown, an automobile door assembly includes an inner door panel 100 and an outer door panel 200.

[0034] Among them, the outer door panel 200 is connected to the inner door panel 100, and an accommodation space is formed between the outer door panel 200 and the inner door panel 100.

[0035] Among them, a reinforcing waist beam 300 is arranged in the accommodation space. The reinforcing waist beam 300 is connected to the inner door panel 100 and / or the outer door panel 200, and the reinforcing waist beam 300 is set as a continuous fiber reinforced thermoplastic composite part.

[0036] In this embodiment, the reinforcing waist beam 300 made of continuous fiber reinforced thermoplastic composite material is connected to the inner door panel 100 and / or the outer door panel 200, replacing the aluminum extrusion part in the prior art. It can significantly increase the supporting force in terms of the rigidity of the door, improve the dent resistance and the overall performance of the door, increase the overall strength of the automobile door assembly, and at the same time, it is lighter in weight, making it easy to open and close the door and install.

[0037] As Figure 1 , Figure 2 shown, on the basis of the above embodiment, the reinforcing waist beam 300 includes an inner waist beam 310 and an outer waist beam 320. The inner waist beam 310 is connected to the inner door panel 100, the outer waist beam 320 is connected to the outer door panel 200, and both the inner waist beam 310 and the outer waist beam 320 are set as continuous fiber reinforced thermoplastic composite parts.

[0038] In this embodiment, the inner waist beam 310 made of continuous fiber reinforced thermoplastic composite material is connected to the inner door panel 100, and the outer waist beam 320 made of continuous fiber reinforced thermoplastic composite material is connected to the outer door panel 200, ensuring that the dent resistance and the overall performance of the door can be significantly improved in terms of the rigidity of the door, and also preventing the center of gravity of the automobile door assembly from shifting too much.

[0039] As Figure 1 , Figure 2 shown, on the basis of the above embodiment, the inner waist beam 310 is laser welded to the inner door panel 100, and the outer waist beam 320 is laser welded to the outer door panel 200.

[0040] In this embodiment, the inner waist beam 310 is laser welded to the inner door panel 100 and the outer waist beam 320 is laser welded to the outer door panel 200, thereby firmly connecting the inner waist beam 310 to the inner door panel 100 and the outer waist beam 320 to the outer door panel 200 together without gluing, and the connection strength is relatively high.

[0041] As Figure 1 , Figure 2As shown, on the basis of the above embodiments, it further includes a reinforcing plate 400. The reinforcing plate 400 is disposed in the accommodation space, and the reinforcing plate 400 is connected to the inner door panel 100.

[0042] In this embodiment, the reinforcing plate 400 is a reinforcing structure required for installing key components such as door locks and hinges. To ensure the relatively high strength required at key positions, the reinforcing plate 400 is provided and connected to the inner door panel 100.

[0043] As Figure 1 、 Figure 2 shown, on the basis of the above embodiments, the reinforcing plate 400 includes a molded part (not shown in the figure), and the molded part is a continuous fiber reinforced thermoplastic composite part.

[0044] In this embodiment, the molded part is set as a continuous fiber reinforced thermoplastic composite part, which ensures that the reinforcing plate 400 can significantly improve the dent resistance and the overall performance of the car door, ensures the strength of the reinforcing plate 400, and at the same time has a relatively light weight, having less impact on the car door assembly.

[0045] As Figure 1 、 Figure 2 shown, on the basis of the above embodiments, the reinforcing plate 400 further includes an insert (not shown in the figure). The insert is connected to the molded part, and the insert is an aluminum part.

[0046] In this embodiment, the aluminum reinforcing plate 400 is connected to the molded part of the continuous fiber reinforced thermoplastic composite material through the insert, which ensures the strength of the reinforcing plate 400, and at the same time has a relatively light weight, having less impact on the car door assembly.

[0047] As Figure 1 、 Figure 2 shown, on the basis of the above embodiments, the reinforcing plate 400 and the inner door panel 100 are laser welded.

[0048] In this embodiment, the reinforcing plate 400 and the inner door panel 100 are laser welded, so that the reinforcing plate 400 and the inner door panel 100 are firmly connected together without adhesives, and the connection strength is relatively high.

[0049] As Figure 1 、 Figure 2 shown, on the basis of the above embodiments, it further includes a crash beam 500. The crash beam 500 is disposed in the accommodation space, and the crash beam 500 is connected to the inner door panel 100.

[0050] Specifically, the crash beam 500 is a hot-formed steel part.

[0051] In this embodiment, the anti-collision beam 500 is set as a hot-formed steel part, which can reduce the damage degree of the vehicle door assembly during a collision and increase the stability at the same time.

Claims

1. A vehicle door assembly, characterized in that: include: inner door panel; An outer door panel connected to the inner door panel, wherein a receiving space is formed between the outer door panel and the inner door panel; A reinforcing waist beam is arranged in the accommodating space, the reinforcing waist beam is connected to the inner door panel and / or the outer door panel, and the reinforcing waist beam is arranged as a continuous fiber reinforced thermoplastic composite.

2. The automobile door assembly according to claim 1, characterized in that: The reinforced waist beam includes an inner waist beam and an outer waist beam, the inner waist beam is connected to the inner door panel, the outer waist beam is connected to the outer door panel, and the inner waist beam and the outer waist beam are both configured as continuous fiber reinforced thermoplastic composite parts.

3. The automobile door assembly according to claim 2, characterized in that: The inner waist beam and the inner door panel are welded by laser, and the outer waist beam and the outer door panel are welded by laser.

4. The automobile door assembly according to claim 1, characterized in that: It also includes a reinforcing plate, which is arranged in the accommodating space and connected to the inner door panel.

5. The automobile door assembly according to claim 4, characterized in that: The reinforcing plate comprises a molded part, which is a continuous fiber reinforced thermoplastic composite part.

6. The automobile door assembly according to claim 5, characterized in that: The reinforcing plate further comprises an insert, which is connected to the molded part and is an aluminum part.

7. The automobile door assembly according to claim 4, characterized in that: The reinforcing plate and the inner door panel are welded by laser.

8. The automobile door assembly according to claim 1, characterized in that: It also includes an anti-collision beam, which is arranged in the accommodating space and connected to the inner door panel.

9. The automobile door assembly according to claim 8, characterized in that: The anti-collision beam is a hot-formed steel part.