TWI653922B - Protecting casing of electronic device - Google Patents

Abstract

The present invention provides an electronic device protective case disposed on an outer side of the electronic device, including an outer casing and an inner casing disposed on an inner surface of the outer casing, the outer casing being a metal material, and the inner casing being a non-metal material The inner casing and the outer casing are mutually coupled to each other, so that the protective casing structure is simple and easy to manufacture, and the electronic device can be firmly fixed and the electronic device can be prevented from being scratched.

Description

Electronic device protective case

The present invention relates to a protective case structure of an electronic device.

In order to reduce electronic devices, such as mobile phones, tablets, notebooks, etc., when used, the appearance of the electronic device due to falling, collision, scratching, etc., the appearance of the electronic device affects the appearance of the fall, dents or scratches, etc., people usually in electronics A protective case is placed on the outside of the device. For example, in the case of an Apple mobile phone with a high market share, an Apple mobile phone case of various materials and shapes has appeared on the market. In the past two years, mobile phone cases with metallic materials have become the most popular.

The use of metal materials for the manufacture of mobile phone casings is usually made by machining a block of metal material. This manufacturing process takes a long time and costs. Moreover, the outer casing of the mobile phone made of such a metal material is usually attached to the outer surface of the mobile phone by an adhesive, which is easy to fall off and has poor firmness.

In view of the above, it is necessary to provide an electronic device protective case that is reinforced and securely connected.

An electronic device protective case disposed on an outer side of the electronic device, comprising an outer casing and an inner casing disposed on an inner surface of the outer casing, the outer casing being a metal material, the inner casing being a non-metal material, The inner casing and the outer casing are coupled to each other.

The protective cover of the electronic device provided by the embodiment of the invention adopts two layers of protective shell structure and adopts a metal material as the outer shell body, thereby ensuring the metal texture of the appearance of the protective shell structure and Due to the high strength, hardness, wear resistance and drop resistance caused by the use of metal materials; non-metallic materials are used as the inner casing, and the outer casing is fitted and coupled together, and the inner casing directly fits with the electronic device. To ensure the tightness of the connection between the two, and due to the inherent characteristics of non-metallic materials, such as plastic materials, the inner casing is equivalent to a buffer layer between the electronic component and the outer casing, and the protective casing is tightly fixed on the electronic device. The inner casing can effectively protect the electronic device from unfavorable factors such as scratches caused by hard pressing.

The invention will now be further described with reference to the specific embodiments thereof with reference to the accompanying drawings.

1, 2‧‧‧Electronic device protective case

10, 40‧‧‧ outer casing

11‧‧‧ outer surface

12‧‧‧ inner surface

13‧‧‧ Connection surface

14‧‧‧Cards

15‧‧‧ hook

16, 51‧‧‧ 容 cavity

20, 50‧‧‧ inner casing

21‧‧‧Resistance Department

22, 43‧ ‧ ‧ Department

221‧‧‧ neck

222‧‧‧ head

30‧‧‧through hole

32‧‧‧ Groove

41‧‧‧First outer casing

42‧‧‧Second outer casing

1 is a perspective view showing the assembly of an electronic device protective case according to a first embodiment of the present invention.

2 is a schematic exploded view of the protective case of the electronic device shown in FIG. 1.

3 is a perspective view showing the assembly of an electronic device protective case according to a second embodiment of the present invention.

4 is a schematic view of the outer casing of the protective case of the electronic device shown in FIG.

FIG. 5 is a schematic view of the inner casing of the protective case of the electronic device shown in FIG.

Referring to FIG. 1 and FIG. 2 , an electronic device protective case 1 according to a first embodiment of the present invention includes an outer casing 10 and an inner casing 20 .

The outer casing 10 is made of a metal material, and the inner casing 20 is made of a non-metal material. In the embodiment, the inner casing 20 is made of plastic.

The outer casing 10 is formed by die casting, extrusion, or the like, so that the outer casing 10 can be easily manufactured without excessive labor and cost. The outer casing 10 has a strip structure. The outer casing 10 includes an outer surface 11, an inner surface 12 opposite the outer surface 11, and a connecting surface 13 connecting the outer surface 11 and the inner surface 12. In the first embodiment, the outer surface 11 and the inner surface 12 are both curved surfaces, and the curvature radii of the two may be equal, so that the thickness of the outer casing 10 formed is uniform. The connecting faces 13 connect the outer surface 11 and the inner surface 12 at the two edges, respectively, such that the joining faces 13 form two spaced and coplanar planes.

The outer casing 10 also includes a clip 14 . In the present embodiment, the number of the card strips 14 is two. The two strips 14 are parallel to each other and equal to the length of the outer casing 10. Each of the strips 14 is formed by being bent away from the connecting surface 13 and the inner surface 12 in a direction away from the outer surface 11 and then bent toward the other strip 14 so that the ends of the two strips 14 are close to each other. The hook is 15. The two strips 14 and the inner surface 12 form an accommodating cavity 16 having an opening for receiving and fixing the inner casing 20.

The inner casing 20 has a strip shape, which can be assembled into the outer casing 10 by injection molding alone or by injection molding together with the outer casing 10. This manufacturing method is also relatively simple and does not need to be performed. It takes more hours and manpower.

The inner casing 20 includes a resisting portion 21 and an engaging portion 22 . The abutting portion 21 abuts against the ends of the two strips 14 of the outer casing 10 . The abutting portion 21 has a substantially flat plate structure. The engaging portion 22 is engaged in the accommodating cavity 16 . The engaging portion 22 is formed to protrude from one surface of the abutting portion 21 . The engaging portion 22 includes a neck portion 221 having a smaller size and a head portion 222 having a size larger than the neck portion 221. The neck 221 is held in the hook 15 at the end of the two strips 14 of the outer casing 10. The head 222 is received in the accommodating cavity 16.

When the inner casing 20 is separately injection molded, the inner casing 20 needs to be assembled to the outer casing 10 after molding. The inner casing 20 may be first along the length of the outer casing 10 The direction is docked at one end of the outer casing 10, one end of the inner casing 20 is aligned with the accommodating cavity 16 of the outer casing 10, and then the inner casing 20 is slid along the length of the outer casing 10 into the accommodating cavity 16, until The inner casing 20 is completely housed in the outer casing 10.

When the inner casing 20 is injection molded together with the outer casing 10, the outer casing 10 may be first placed in a predetermined mold and then injection molded to obtain the inner casing 20 fixed to the outer casing 10. structure.

In the first embodiment, a plurality of through holes 30 may be formed in the outer casing 10 and the inner casing 20 for some specific key insertion on the electronic device. In the present embodiment, the number of the inner casings 20 is at least three, and the adjacent inner casings 20 are spaced apart from each other to form a groove 32, so that the inner casing 20 is segmented in the outer casing 10, thereby The material used for the inner casing 20 is reduced, thereby reducing the overall weight of the electronic device protective casing 1.

Referring to FIG. 3 to FIG. 5, a second embodiment of the present invention provides an electronic device protective case 2 for a mobile phone. The protective case 2 includes an outer casing 40 and an inner casing 50. The outer casing 40 includes two first parts. The outer casing 41 and the two second outer casings 42 are oppositely disposed, and the two second outer casings 42 are disposed opposite to each other to form a frame of the mobile phone. The inner casing 50 is a rectangular frame structure and is embedded inside the frame of the mobile phone surrounded by the two first outer casings 41 and the two second outer casings 42. Different from the outer casing 10 and the inner casing 20 in the first embodiment, the outer casing 40 of the second embodiment is provided with an engaging portion 43, and the inner casing 50 is provided with the engaging portion 43. Corresponding accommodating groove 51. The outer casing 40 is received in the accommodating groove 51 of the inner casing 50 by the engaging portion 43 to fix the inner casing 50 to the outer casing 40. In the present embodiment, the number of the engaging portions 43 is at least two and is provided at intervals. Correspondingly, the number of the receiving grooves 51 of the inner casing 50 and the distance between the spaces are the same as those of the engaging portion 43.

In the above two embodiments, the two-layer protective shell structure is adopted, and the metal material is used as the outer shell body, which ensures the metal texture of the protective shell structure appearance and the use of the metal material. The material has the advantages of high strength, high hardness, wear resistance and resistance to falling; non-metallic material is used as the inner casing, and is fitted and connected with the outer casing, and the inner casing directly fits with the electronic device to ensure two The tightness of the connection, and due to the inherent characteristics of non-metallic materials, such as plastic materials, the inner casing is equivalent to a buffer layer between the electronic component and the outer casing, when the protective casing is tightly fixed on the electronic device, The housing can effectively protect the electronic device from unfavorable factors such as scratches caused by hard extrusion.

In summary, the present invention has indeed met the requirements of the invention patent, and has filed a patent application according to law. However, the above description is only a preferred embodiment of the present invention, and it is not possible to limit the scope of the patent application of the present invention. Equivalent modifications or variations made by persons skilled in the art in light of the spirit of the invention are intended to be included within the scope of the following claims.

Claims (7)

An electronic device protective case disposed on an outer side of the electronic device, comprising an outer casing and an inner casing disposed on an inner surface of the outer casing, wherein the outer casing is made of a metal material, and the inner casing is a non-metal a material, the inner casing and the outer casing are coupled to each other, and the outer casing forms two strips adjacent to a surface of the inner casing, and the two strips are spaced apart from each other and parallel, and the two strips are The ends are adjacent to each other to form a hook, and the two strips are disposed around the surface of the outer casing to form a receiving portion, and one of the outer casing and the inner casing forms a receiving portion, The other forms an engaging portion that is engaged in the receiving portion to fit the inner casing to the outer casing. The electronic device protective case according to claim 1, wherein the outer casing is formed by die casting or extrusion using a metal profile, and the inner casing is separately injection molded or injection molded with the outer casing. Made by molding. The electronic device protective case according to claim 1, wherein the engaging portion forms a surface close to the outer casing with the inner casing, and the inner casing further includes a resisting portion, The abutting portion abuts against the end of the two strips, and the engaging portion is formed to protrude from the abutting portion. The electronic device protective case according to claim 3, wherein the engaging portion comprises a neck portion and a head having a size larger than a neck portion, and the neck portion is stuck at a card end of the outer casing In the hook, the head is accommodated in the accommodating cavity. The electronic device protective case according to claim 1, wherein the engaging portion is formed on the outer casing, and the engaging portion includes at least two spaced apart portions, and the receiving portion is formed on the outer casing The number and spacing of the accommodating portions are constant with the engaging portion on the inner casing. The electronic device protective case of claim 1, wherein the outer casing comprises two first outer casings and two second outer casings, and the two first outer casings are oppositely disposed, and the two second outer casings are opposite to each other. The two first outer casings and the two second outer casings together define a frame forming the electronic device. The electronic device protective case according to claim 1, wherein the inner casing has a rectangular frame structure and is embedded inside the two first outer casings and the two second outer casings.