Reinforcing and improving structure of inner plate
By using plastic bent tube inserts in injection molding on the inner panel of the composite tailgate to replace metal reinforcements, the high cost of composite tailgates is solved, achieving the effect of reducing costs while maintaining performance.
Patent Information
- Application Number
- CN202422557233.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-23
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-10-23
AI Technical Summary
The high cost and strict dimensional requirements of the metal reinforcement components in the existing composite material tailgate inner panel result in excessively high costs for composite material tailgate products, making it difficult to meet customers' demand for low cost.
Plastic bent pipe fittings are installed on the inner plate by insert injection molding to replace metal reinforcements. The bent pipe fittings are formed into hollow cavities by water-assisted molding, and reinforcements are added at the hinge and strut positions to ensure performance.
It reduces the production cost of composite material tailgates while maintaining or improving tailgate performance, meeting customers' needs for low cost, low fuel consumption, and low power consumption.
Smart Images
Figure CN223508071U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of automobile tail door, and relates to an inner plate reinforcing improved structure. BACKGROUND
[0002] With the higher and higher requirements of oil consumption and electricity consumption, lightweight is an indispensable link to reduce electricity consumption and oil consumption, and the composite material tail door as a lightweight scheme becomes a kind of trend. But at the same time, customers have more and more strict cost requirements, and cost reduction also becomes the key point of promoting the composite material tail door. At present, the inner plate of the composite material tail door is mainly reinforced by metal reinforcing parts, and the metal reinforcing parts are generally embedded, injected or screwed on the inner plate. The metal parts usually have large size and high precision requirement, which leads to high cost. INNOVATION CONTENT
[0003] The utility model solves the technical problem that the present application provides an inner plate reinforcing improved structure for reducing the cost of the composite material tail door product and improving the competitiveness of the composite material tail door.
[0004] The utility model adopts the technical scheme that an inner plate reinforcing improved structure is provided, characterized in that the inner plate reinforcing improved structure comprises a bent pipe part and an inner plate part, the bent pipe part has a hollow cavity, and the bent pipe part is integrally injection molded on the inner plate part.
[0005] Preferably, in the above-mentioned inner plate reinforcing improved structure, the bent pipe part is water-assisted formed and forms the hollow cavity.
[0006] Preferably, in the above-mentioned inner plate reinforcing improved structure, the bent pipe part is integrally water-assisted formed.
[0007] Alternatively, in the above-mentioned inner plate reinforcing improved structure, the bent pipe part is segmented water-assisted formed.
[0008] Preferably, in the above-mentioned inner plate reinforcing improved structure, the inner plate part is further provided with a strut reinforcing part and a hinge reinforcing part, the bent pipe part is integrally water-assisted formed, and then the bent pipe part and the strut reinforcing part and the hinge reinforcing part are embedded and injection molded on the inner plate part of the tail door.
[0009] Preferably, in the above-mentioned inner plate reinforcing improved structure, the wall thickness of the bent pipe part is 2.5-3.2 mm.
[0010] Preferably, in the above-mentioned inner plate reinforcing improved structure, the wall thickness of the bent pipe part is 3 mm.
[0011] As further optimization, in the above-mentioned inner plate reinforcing improvement structure, the width of the bent pipe part is 10-20mm, and the height of the bent pipe part is 20-40mm.
[0012] As optimization, in the above-mentioned inner plate reinforcing improvement structure, the width of the bent pipe part is 15mm, and the height of the bent pipe part is 30mm.
[0013] Compared with the prior art, the plastic bent pipe part is installed on the inner plate in the form of insert injection molding, replaces the original metal reinforcing part, reduces the cost of the composite material tail door product, is conducive to improving the competitiveness of the composite material tail door, and meets the needs of customers for low cost, low oil consumption and low power consumption. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 is a schematic view of the overall structure of the inner plate reinforcing improvement structure;
[0015] Figure 2 is a schematic view of the A-A direction structure of Figure 1
[0016] Figure 3 is a schematic view of the structure of the bent pipe part being a whole section type;
[0017] Figure 4 is a schematic view of the structure of the bent pipe part being a segmented type. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0019] In the description of the present application, it should be understood that the orientations or positional relationships indicated by the terms "center", "transverse", "longitudinal", "front", "rear", "left", "right", "up", "down", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the scope of protection of the present application.
[0020] In the figure: 100; hollow cavity 101; first section 102; second section 103; third section 104; inner plate 200; strut reinforcement 300; hinge reinforcement 400; wall thickness t of the bent pipe; height h of the bent pipe; width s of the bent pipe.
[0021] like Figure 1 and Figure 2 As shown, the improved inner panel structure mainly includes a bent pipe component 100 and an inner panel component 200. In this embodiment, the bent pipe component 100 is injection molded from plastic material. The bent pipe component 100 has a hollow cavity 101, which can reduce the overall weight of the plastic tailgate. The bent pipe component 100 is integrally injection molded and installed on the inner panel component 200. Here, the plastic bent pipe component 100 is installed on the inner panel by insert injection molding, replacing the original metal reinforcement component and reducing the cost of composite material tailgate products.
[0022] Specifically, the pipe bend 100 is water-assisted formed, creating a hollow cavity 101, such as... Figure 3 As shown, the pipe bend 100 can be formed in one piece using water-assisted molding. However, for more precise control, the pipe bend 100 is formed in segments using water-assisted molding, such as... Figure 4 As shown, the pipe bend 100 is segmented, that is, the entire pipe bend 100 is divided into three sections: the first section 102, the second section 103, and the third section 104. In this way, the size of each pipe bend is smaller, the dimensional accuracy is higher, and the manufacturing error is smaller.
[0023] In addition, the inner panel 200 is also equipped with a strut reinforcement 300 and a hinge reinforcement 400. The bent tube 100 is first water-assisted molded and then installed on the inner panel 200 of the tailgate together with the strut reinforcement 300 and the hinge reinforcement 400 by insert injection molding. Since the rigid connection points between the tailgate and the vehicle body are the strut and the hinge, the water-assisted molding scheme requires the addition of two reinforcements at the hinge and strut positions for local reinforcement. The bent tube 100 provides rigid support for the strut and hinge mounting points, thereby ensuring the performance of the tailgate. To ensure the performance of the bent tube 100... For the performance of the 00, the wall thickness t of the bent pipe is 2.5-3.2mm. In this embodiment, the wall thickness t of the bent pipe is specifically optimized to 3mm, the width s of the bent pipe is 10-20mm, and the height h of the bent pipe is 20-40mm. Specifically, the width s of the bent pipe is optimized to 15mm, and the height h of the bent pipe is optimized to 30mm. The bent pipe with the above settings replaces the original metal reinforcement, reduces the cost of composite material tailgate products, and helps to improve the competitiveness of composite material tailgates, meeting customers' needs for low cost, low fuel consumption, and low power consumption.
[0024] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.
Claims
1. An improved inner panel reinforcement structure, characterized in that, The device includes a bent pipe fitting and an inner plate fitting. The bent pipe fitting has a hollow cavity and is integrally injection molded onto the inner plate fitting. The bent pipe fitting is water-assisted molded and forms a hollow cavity.
2. The improved inner plate reinforcement structure according to claim 1, characterized in that, The aforementioned pipe bend is formed by water-assisted molding of a single section.
3. The improved inner plate reinforcement structure according to claim 1, characterized in that, The aforementioned pipe bend is formed by segmented water-assisted molding.
4. The improved inner plate reinforcement structure according to claim 2, characterized in that, The inner panel is also provided with a strut reinforcement and a hinge reinforcement. The bent pipe is first water-assisted molded and then installed on the inner panel of the tailgate together with the strut reinforcement and the hinge reinforcement by insert injection molding.
5. The improved inner plate reinforcement structure according to claim 1, characterized in that, The wall thickness of the bent pipe fitting is 2.5-3.2 mm.
6. The improved inner plate reinforcement structure according to claim 5, characterized in that, The wall thickness of the bent pipe fitting is 3mm.
7. The improved inner plate reinforcement structure according to claim 1, characterized in that, The width of the bent pipe fitting is 10-20mm, and the height of the bent pipe fitting is 20-40mm.
8. The improved inner plate reinforcement structure according to claim 7, characterized in that, The width of the bent pipe fitting is 15mm, and the height of the bent pipe fitting is 30mm.