Lightweight rear cover plate for mobile phone

By using multi-layered lightweight materials and an inner wall groove design, combined with a protective shell and adhesive layer for fixation, the phone back cover solves the problems of lightweighting and protection, achieving both lightweight and impact protection.

CN223613377UActive Publication Date: 2025-11-28WUHU SHENGAN FINANCE INTELLIGENT TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423199268.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2025-11-28
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

Existing mobile phone back covers are insufficient in terms of lightweighting. They need to be composed of multiple layers of lightweight materials and have grooves made in the inner wall to reduce weight. At the same time, it is necessary to prevent surface damage and ensure the reliability of the bonding.

Method used

It adopts a combination structure of fiber layer, alloy layer one and alloy layer two, with grooves on the inner wall, and is equipped with a protective shell, protrusions, locking blocks and permanent adhesive layer, and is protected and fixed by wear-resistant coating and adhesive layer.

Benefits of technology

This design achieves lightweighting of the phone's back cover, prevents surface damage, improves fixing reliability, reduces overall weight, and enhances protection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a light-weight rear cover plate for a mobile phone, which comprises a rear cover plate of the mobile phone, the rear cover plate of the mobile phone comprises a fiber layer, an alloy layer I and an alloy layer II in sequence from back to front, the inner wall of the rear cover plate of the mobile phone is provided with a groove, and the rear side of the rear cover plate of the mobile phone is coated with a wear-resistant coating. The fiber layer, the first alloy layer and the second alloy layer are used together, so that the weight of the mobile phone rear cover plate is reduced, the weight of the mobile phone rear cover plate is further reduced through the grooves formed in the inner wall of the mobile phone rear cover plate, the surface of the mobile phone rear cover plate is subjected to anti-collision protection through the protection shell, and the service life of the mobile phone rear cover plate is prolonged. According to the mobile phone rear cover plate, the surface of the mobile phone rear cover plate is prevented from being damaged due to collision, and the purposes that the rear cover plate is jointly formed by multiple layers of lightweight materials, the groove is formed in the inner wall of the rear cover plate, the weight of the mobile phone rear cover plate is reduced, and then the overall weight of the mobile phone rear cover plate is reduced are achieved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of mobile phone back cover plate, especially relates to a light weight back cover plate for mobile phone. BACKGROUND

[0002] With the development of science and technology and the increasing demand of people on communication, mobile phone has become an indispensable article in people's life, especially the large touch screen type smart phone appeared in recent years provides great convenience for people's life, wherein the back cover plate equipped with the mobile phone has important role to shield and protect its accessories and support the overall structure of the mobile phone.

[0003] The light weight of mobile phone is always the direction of improvement in mobile phone production, most of the mobile phone back cover plates are integrally pressure die cast with metal, and the economy is better, but the light weight is slightly insufficient, therefore a light weight back cover plate for mobile phone is needed, which is composed of multiple layers of light weight materials, and the inner wall of the back cover plate is provided with a groove, so that the weight of the mobile phone back cover plate is reduced, and the overall weight of the mobile phone back cover plate is reduced. UTILITY MODEL CONTENT

[0004] The utility model discloses a light weight back cover plate for mobile phone, which is composed of multiple layers of light weight materials, and the inner wall of the back cover plate is provided with a groove, so that the weight of the mobile phone back cover plate is reduced, and the overall weight of the mobile phone back cover plate is reduced, to solve the technical problems raised in the above background technology.

[0005] The utility model discloses a light weight back cover plate for mobile phone, which is composed of multiple layers of light weight materials, and the inner wall of the back cover plate is provided with a groove, so that the weight of the mobile phone back cover plate is reduced, and the overall weight of the mobile phone back cover plate is reduced, to solve the technical problems raised in the above background technology.

[0006] Preferably, the surface of the shell is pasted with a package block, and the package block is a rubber sleeve.

[0007] Preferably, the surface of the shell is pasted with a package block, and the package block is a rubber sleeve.

[0008] Preferably, the surface of the shell is pasted with a package block, and the package block is a rubber sleeve.

[0009] Preferably, the surface of the shell is pasted with a package block, and the package block is a rubber sleeve.

[0010] The utility model discloses the beneficial effect is:

[0011] 1, the utility model discloses a common use of fiber layer, alloy layer one and alloy layer two, make the weight of mobile phone back cover plate can be lightened, and the recess that sets up in the inner wall of mobile phone back cover plate further reduces mobile phone back cover plate itself weight, and the setting of the shell is protected against collision to the surface of mobile phone back cover plate, avoid the surface of mobile phone back cover plate and appear the situation of damage because of knock, can reach through multilayer lightweight material common composition back cover plate, and recess is set up to the inner wall of back cover plate, make the weight of mobile phone back cover plate can be lightened, further reduce the purpose of mobile phone back cover plate overall weight.

[0012] 2, the utility model discloses the setting of the package block is protected to the surface of the shell, make the surface of the shell can be protected by buffering, avoid the rigid collision of the shell when directly colliding with external objects and appear the situation of happening.

[0013] 3, the utility model discloses the cooperation of rod hole, plug rod and permanent adhesive layer is strengthened to the fixing between the shell and mobile phone back cover plate, avoid the situation of happening because of the small adhesive contact area of both and appear loose. DRAWINGS

[0014] Among them:

[0015] Figure 1 It is structure schematic diagram of one embodiment of the utility model;

[0016] Figure 2 It is overhead sectional view schematic diagram of mobile phone back cover plate of one embodiment of the utility model;

[0017] Figure 3 It is stereoscopic sectional view schematic diagram of the shell and adhesive layer of one embodiment of the utility model;

[0018] Figure 4 It is one embodiment of the utility model Figure 3 The local enlarged view of point A.

[0019] In the drawings, the component list represented by each sign is as follows:

[0020] 1, mobile phone back cover plate, 101, fiber layer, 102, alloy layer one, 103, alloy layer two, 2, recess, 3, wear-resistant coating, 4, shell, 5, package block, 6, protruding block, 7, key groove, 8, clamping block, 9, adhesive layer, 10, rod hole, 11, plug rod, 12, permanent adhesive layer. SPECIFIC IMPLEMENTATION

[0021] In the following, the embodiment of the utility model's mobile phone lightweight back cover plate will be described with reference to the drawings.

[0022] Embodiment one:

[0023] Figures 1-4 The utility model discloses a kind of lightweight back cover plates for mobile phone, it includes mobile phone back cover 1: mobile phone back cover 1 is sequentially included with fibre layer 101, alloy layer one 102 and alloy layer two 103 from back to front, recess 2 is set in the inner wall of mobile phone back cover 1, wear-resistant coating 3 is daubed in the back side of mobile phone back cover 1, protective shell 4 is arranged on the surface of mobile phone back cover 1, package block 5 is pasted on the surface of protective shell 4, package block 5 is rubber casing, the surface of protective shell 4 is covered by being set to package block 5, so that the surface of protective shell 4 can be buffered protection, avoid the situation that rigid collision occurs when protective shell 4 directly collides with external object, mobile phone back cover 1 is integrally formed with lug 6 in the inner wall, button slot 7 is set on the surface of mobile phone back cover 1, mobile phone back cover 1 is integrally formed with clamping block 8 in the inner wall, adhesive layer 9 is jointly bonded between protective shell 4 and mobile phone back cover 1, rod hole 10 is set on the surface of mobile phone back cover 1, plug rod 11 is fixedly connected on the surface of protective shell 4, permanent adhesive layer 12 is jointly filled between rod hole 10 and plug rod 11, the cooperation of rod hole 10, plug rod 11 and permanent adhesive layer 12 strengthens the fixation between protective shell 4 and mobile phone back cover 1, avoid the situation that both are released due to smaller bonding contact area.

[0024] Embodiment two:

[0025] Figures 1-4 The utility model discloses a kind of lightweight back cover plates for mobile phone, it includes mobile phone back cover 1: mobile phone back cover 1 is sequentially included with fibre layer 101, alloy layer one 102 and alloy layer two 103 from back to front, recess 2 is set in the inner wall of mobile phone back cover 1, wear-resistant coating 3 is daubed in the back side of mobile phone back cover 1, protective shell 4 is arranged on the surface of mobile phone back cover 1, mobile phone back cover 1 is integrally formed with lug 6 in the inner wall, button slot 7 is set on the surface of mobile phone back cover 1, mobile phone back cover 1 is integrally formed with clamping block 8 in the inner wall, adhesive layer 9 is jointly bonded between protective shell 4 and mobile phone back cover 1, fibre layer 101 is carbon fibre layer, alloy layer one 102 is aluminum alloy layer, alloy layer two 103 is titanium alloy layer, permanent adhesive layer 12 is structural adhesive layer.

[0026] Working principle: the utility model uses, the user through the common use of fiber layer 101, alloy layer one 102 and alloy layer two 103, make the weight of mobile phone back cover plate 1 be lightened, and through the recess 2 of mobile phone back cover plate 1 inner wall opening, further reduce mobile phone back cover plate 1 itself weight, and through the setting of protective housing 4, the surface of mobile phone back cover plate 1 is protected from bumping, avoid the surface of mobile phone back cover plate 1 from bumping and appear damaged, simultaneously through the setting of wear-resistant coating 3, can improve the surface wear resistance of mobile phone back cover plate 1, avoid the scratch of mobile phone back cover plate 1 from external object and appear, wherein through the setting of button groove 7, the button of mobile phone back cover plate 1 is pressed after being installed on the surface of mobile phone, through the cooperation of lug 6 and clamping block 8, mobile phone back cover plate 1 is installed and clamped in the back side of mobile phone, realize through multilayer lightweight material common composition back cover plate, and recess is set to back cover plate inner wall, make the weight of mobile phone back cover plate be lightened, further reduce the weight of mobile phone back cover plate as a whole.

[0027] In conclusion: the mobile phone light weight back cover plate, through the common use of fiber layer 101, alloy layer one 102 and alloy layer two 103, make the weight of mobile phone back cover plate 1 be lightened, and through the recess 2 of mobile phone back cover plate 1 inner wall opening, further reduce mobile phone back cover plate 1 itself weight, and through the setting of protective housing 4, the surface of mobile phone back cover plate 1 is protected from bumping, avoid the surface of mobile phone back cover plate 1 from bumping and appear damaged, namely reach through multilayer lightweight material common composition back cover plate, and recess is set to back cover plate inner wall, make the weight of mobile phone back cover plate be lightened, further reduce the weight of mobile phone back cover plate as a whole.

Claims

1. A light-weight back cover plate for a mobile phone, characterized by, The application relates to a mobile phone back cover (1), which comprises a fiber layer (101), an alloy layer one (102) and an alloy layer two (103) from back to front, a groove (2) is arranged on the inner wall of the mobile phone back cover (1), a wear-resistant coating (3) is coated on the back side of the mobile phone back cover (1), a protective shell (4) is arranged on the surface of the mobile phone back cover (1), a convex block (6) is integrally formed on the inner wall of the mobile phone back cover (1), a key groove (7) is arranged on the surface of the mobile phone back cover (1), a clamping block (8) is integrally formed on the inner wall of the mobile phone back cover (1), and an adhesive layer (9) is arranged between the protective shell (4) and the mobile phone back cover (1).

2. The light-weight back cover plate for a mobile phone according to claim 1, wherein A clamping block (5) is attached to the surface of the protective shell (4), and the clamping block (5) is a rubber sleeve.

3. The light-weight back cover plate for a mobile phone according to claim 2, wherein A rod hole (10) is arranged on the surface of the mobile phone back cover (1), an inserting rod (11) is fixedly connected to the surface of the protective shell (4), and a permanent adhesive layer (12) is filled between the rod hole (10) and the inserting rod (11).

4. The light-weight back cover plate for a mobile phone according to claim 3, wherein The fiber layer (101) is a carbon fiber layer, the alloy layer one (102) is an aluminum alloy layer, and the alloy layer two (103) is a titanium alloy layer.

5. The light-weight back cover plate for a mobile phone according to claim 4, wherein The permanent adhesive layer (12) is a structural adhesive layer.