CN102555385A - Shell - Google Patents

Abstract

The invention provides a shell, which mainly comprises: the composite fiber body comprises a composite fiber body and an elastic layer combined on the composite fiber body, wherein a plastic body is combined on the elastic layer. According to the technical scheme of the invention, resources can be saved, and the shell is firm, durable and light.

Description

a shell

technical field

The invention relates to the field of materials, in particular to a housing. the

Background technique

Nowadays, the research and development of the shells of articles such as mobile phones, electrical appliances, computers, etc. has made great progress. In the prior art, the traditional shells are made of metal materials or plastics. However, although the metal material is strong, it is relatively heavy, consumes precious metal resources, and is not easy to carry; while the plastic is relatively thick, but not strong enough, and is easily deformed by the environment, or it will loosen, or it will press the internal circuit. or parts. the

Contents of the invention

In view of the foregoing technical problems, the purpose of the present invention is to provide a more robust and lightweight housing. the

The purpose of the present invention is achieved by the following technical solutions:

A housing comprising:

A composite fiber body, an elastic layer is bonded to the composite fiber body, and a plastic body is bonded to the elastic layer.

Further, the composite fiber body is a thermosetting fiber body or a thermoplastic fiber body. the

Furthermore, the fibers in the fiber body of the composite material are long fibers or short fibers. the

Further, the elastic layer contains a thermoplastic elastomer. the

Further, the thermoplastic elastomer includes polyurethane resin or polyamide resin. the

Further, the elastic layer contains thermoplastic elastomer and hot melt adhesive. the

Further, the plastic body includes one or more of polyamide resin, polyamide resin mixed with glass fiber or carbon fiber, polycarbonate resin, propylene glycol carbonate resin, polymethyl methacrylate resin. the

Further, the composite material fiber body, the elastic layer and the plastic body are combined in the following way: the composite material fiber body and the elastic layer are combined with the plastic body after being heated and pressed, or the composite material fiber with the elastic layer The body and the plastic body with the elastic layer combined into one by heating and pressing. the

Furthermore, the number of layers of the elastic layer is a single layer, or the number of layers is multiple layers. the

By using the technical solution of the invention, no metal can be used, and defects such as insufficient rigidity caused by only using plastic can be overcome, resources can be saved, and the shell is durable and light. the

Description of drawings

Fig. 1 is the three-dimensional schematic diagram of housing in the embodiment of the present invention;

Fig. 2 is the sectional view of Fig. 1A-A direction;

Fig. 3 is a three-dimensional schematic diagram of a housing in another embodiment of the present invention;

Fig. 4 is a sectional view of Fig. 3 A-A direction.

Detailed ways

In order to make the object, technical solution, and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples. the

As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the present invention provides a housing, including:

Composite fiber body 1, elastic layer 2 bonded to composite fiber body 1, plastic body 3 bonded to elastic layer 2.

Give an example to illustrate the advantages of this structure of the shell, such as mobile phones, the shell of the mobile phone is generally metal, the metal plain shell is too heavy, wastes resources, and conducts electricity. Or the casing with electrical appliances is a combination of a composite material fiber body and a plastic body. Generally, composite fiber body and plastic body need a long time to react and bond. There are also fiber bodies made of composite materials, but the disadvantage is that the success rate is low, and it is a waste of time to cut out the joint with a computer, and there are many burrs. Therefore, by using a combination of the three materials, the above-mentioned disadvantages can be overcome. The fiber body of composite material is strong and light, and combined with the plastic body can form a more perfect shell. Such a housing can be used to manufacture casings of mobile phones and electrical appliances, and can also be used to manufacture small accessories for sporting goods, such as pedals of bicycles, and can also be used on outsoles of bicycle shoes. the

Further, the composite fiber body 1 is a thermosetting fiber body or a thermoplastic fiber body. the

Furthermore, the fibers in the composite fiber body 1 are long fibers or short fibers. The strength of long fiber is better, and short fiber can be used in the production of accessories that do not require too high strength, and the price of short fiber is lower than that of long fiber. the

Further, the elastic layer 2 contains a thermoplastic elastomer. Thermoplastic elastomer is a type of elastomer that has the elasticity of rubber at room temperature and can be plasticized at high temperature. the

Further, the thermoplastic elastomer includes polyurethane resin or polyamide resin. Polyurethane resin has good oil resistance, toughness, abrasion resistance, aging resistance and adhesion. Polyamide resin has non-toxic, light weight, excellent mechanical strength, wear resistance and good corrosion resistance, and the thickness of the film made of it is relatively thin, only 0.05 mm thick. the

the

Further, the elastic layer 2 includes thermoplastic elastomer and hot melt adhesive. Hot melt adhesives can reinforce thermoplastic elastomers. It can be applied to sporting goods to increase the torsion resistance.

Further, the plastic body 3 includes one or more of polyamide resin, polyamide resin mixed with glass fiber or carbon fiber, polycarbonate resin, propylene glycol carbonate resin, and polymethyl methacrylate resin. Polyamide resin mixed with glass fiber or carbon fiber is stronger than polyamide resin and resistant to high temperature. the

Further, the composite material fiber body 1, the elastic layer 2 and the plastic body 3 are combined in the following manner: the composite material fiber body 1 and the elastic layer 2 are integrated by heating and pressing, and then combined with the plastic body 3. This combination method is suitable for The overall combination and manufacture of relatively thin and small shells. Alternatively, the composite material fiber body 1 with the elastic layer 2 and the plastic body 3 with the elastic layer 2 combined into one body by heating and pressing. This method is more suitable for the manufacture of large finished shells. the

The plastic body 3 in the above embodiments can be combined with the elastic layer 2 by injection molding. the

Furthermore, the number of layers of the elastic layer 2 is a single layer, or the number of layers is multiple layers. A single layer will be lighter and thinner, while multiple layers will have better strength. the

The housing provided by the embodiment of the present invention has been introduced in detail above. In this paper, specific examples are used to illustrate the principle and implementation of the present invention. The description of the above embodiment is only used to help understand the core idea of the present invention. At the same time, for those skilled in the art, according to the idea of the present invention, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be construed as limiting the present invention. the

Claims (10)

1. a housing is characterized in that, comprising: the composite fiber body, be combined in the elastic layer on the said composite fiber body, and on said elastic layer, be combined with plastic body.

2. housing according to claim 1 is characterized in that: said composite fiber body is thermosetting fibre body or thermoplastic fibre body.

3. housing according to claim 1 is characterized in that: the fiber in the said composite fiber body is long fibre or short fiber.

4. housing according to claim 1 is characterized in that: said elastic layer comprises thermoplastic elastomer (TPE).

5. housing according to claim 4 is characterized in that: said thermoplastic elastomer (TPE) comprises polyurethane resin or polyamide.

6. housing according to claim 1 is characterized in that: said elastic layer comprises thermoplastic elastomer (TPE) and hot melt colloid.

7. housing according to claim 1 is characterized in that: said plastic body comprises polyamide, is mixed with the polyamide of glass fibre or carbon fiber, in the polycarbonate resin, acrylic diglycol carbonates resin, plexiglass one or more.

8. housing according to claim 1; It is characterized in that: the combination of said composite fiber body, elastic layer and said plastic body is: after said composite fiber body and said elastic layer are combined as a whole through heating and pressurization; Combine with said plastic body; Perhaps, said composite fiber body that adds elastic layer and the said plastic body that adds elastic layer are combined as a whole through heating and pressurization.

9. housing according to claim 1 is characterized in that: the number of plies of said elastic layer is an individual layer.

10. housing according to claim 1 is characterized in that: the number of plies of said elastic layer is a multilayer.

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