Heat preservation car panel with glass fiber reinforced plastic framework structure for foaming refrigerator car
A skeleton structure, glass fiber reinforced plastic technology, applied in superstructure, refrigerated cargo transportation, superstructure of trucks, etc., can solve the problems such as affecting the appearance of the car board and the service life of the car, the skin of the car board is easy to bubble, and the thermal insulation effect is poor. , to achieve good appearance, improve appearance quality, good waterproof performance
Active Publication Date: 2015-03-25
郑州红宇专用汽车有限责任公司
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Problems solved by technology
Due to its heavy internal skeleton material, polyurethane is prone to produce large bubbles and void defects in the foam flow process during foam molding. The service life is short, and the panel skin is easy to bubble, which affects the appearance of the compartment panel and the service life of the compartment
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[0023] Such as figure 1 , 2 , 3, the present invention includes the outer skin 1 and the inner skin 2 of the car panel, and the inner surfaces of the outer skin 1 and the inner skin 2 are all provided with a glue layer 3, the glue layer 3 adopts polyurethane structural adhesive, and the two glue layers 3 is bonded with a box frame 4, the box frame 4 includes a frame 5 and a reinforcing rib 6, and the frame 5 is located around the box frame 4; the reinforcing rib 6 ( figure 1 There are four in the middle) set vertically, and the upper and lower ends are connected (generally by bonding) between the frame 5.
[0024] Such as Figure 4 As shown, several cavities 10 are formed in the middle of the car frame 4 , which are actually the cavities 10 surrounded by the frame 5 and the ribs 6 . The frames 5 and ribs 6 have the same structure, as Figure 5 As shown, polyurethane hard foam is used as the core material 7, and the outer layer is wrapped with a glass fiber reinforced plast...
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The invention discloses a heat preservation car panel with glass fiber reinforced plastic framework structure for a foaming refrigerator car, comprising an inner skin, an outer skin and a car panel framework, wherein the car panel framework is positioned between the inner skin and the outer skin; an adhesive layer is arranged on the inner side surface of the outer skin; the car panel framework comprises core material and a glass fiber reinforced plastic layer covered on the outer surface of the core material, a cavity is arranged in the middle of the car panel framework, and polyurethane formed foam is filled in the cavity; and a layer of fiberglass mesh is fixed in the cavity close to the inner skin and outer skin in the suspension manner, and space is formed between the fiberglass mesh and the inner skin or the outer skin. According to the heat preservation car panel, the integral glass fiber reinforced plastic framework is adopted, the strength is high, and the waterproof performance is good; and the inner and the outer skins of the car panel are adhered with the car panel framework into a whole through polyurethane structural adhesive, and the integral strength of the car panel is remarkably improved.
Description
technical field [0001] The invention relates to the field of refrigerated compartment panels, in particular to an insulated compartment panel for refrigerated vehicles. Background technique [0002] The current structure of foamed compartment panels for refrigerated vehicles is as follows: the outer skin is metal plate or glass steel plate, the internal skeleton is made of metal material combined wooden strip structure, foamed polyurethane material is injected into the middle to form foaming, and the inner and outer covers of the compartment panel The bonding surface of the leather is treated by grinding or spraying primer. Due to its heavy internal skeleton material, polyurethane is prone to produce large bubbles and void defects in the foam flow process during foam molding. The service life is short, and the panel skin is easy to bubble, which affects the appearance of the compartment panel and the service life of the compartment. Contents of the invention [0003] The...
Claims
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IPC IPC(8): B62D33/04B60P3/20
Inventor 王建国胡方平刘元跃赵文春
Owner 郑州红宇专用汽车有限责任公司