Combined modular mobile phone shell

Abstract

The utility model relates to the technical field of mobile phone shells, in particular to a combined modular mobile phone shell, which comprises two modules, namely a frame and a rear shell, two groups of clamping groove structures are hidden in the frame and are used for fixing a mobile phone and the rear shell, and the frame and the rear shell can be combined for use to jointly protect the side surfaces and the back surface of the mobile phone. The frame can also be used independently to protect the side face of the mobile phone, the rear shell is installed on the rear side of the frame through a clamping groove structure, the rear shell can be used independently through a magnetic attraction structure to protect the back face of the mobile phone, and the magnetic attraction structure is hidden in the rear shell, used for being attracted to the back face of the mobile phone and also used for expanding the function of the mobile phone shell. The whole mobile phone shell has the advantages of being convenient to disassemble and modularized, and brings convenience, economical efficiency and diversity to users.

Description

Technical Field

[0001] The utility model relates to the technical field of mobile phone cases, in particular to a combined modular mobile phone case. Background Art

[0002] With the increasing popularity of smartphones and the rapid pace of replacement, the mobile phone case market is experiencing sustained growth. This growth is also driven by increasing consumer demand for phone protection and personalization. The categories and materials of mobile phone cases are also continuously innovating and expanding, further driving the expansion of the market. Currently, the mobile phone case market is highly competitive and highly homogenized. Cases are made from a variety of materials, including plastic, silicone, leather, and metal, and come in a variety of styles, colors, and designs to suit individual preferences. Mobile phone cases typically wrap around the device, covering its back, sides, and edges.

[0003] Traditional mobile phone cases are typically manufactured using injection molding. While this process offers low costs and high production efficiency, it also offers limited customization. The designs and styles of traditional mobile phone cases are relatively fixed, making it difficult to meet consumers' demand for individuality and uniqueness. Furthermore, traditional mobile phone cases are limited in functionality, primarily providing protection and rarely integrating additional functional accessories.

[0004] At present, the Chinese patent with publication number CN220292062U discloses a mobile phone case, which includes a shell and a frame. The utility model increases the customer experience or better protects the mobile phone by setting different thicknesses of the frame and the shell; the Chinese patent with publication number CN207234893U discloses a modular mobile phone case that is easy to disassemble and assemble, which includes a mobile phone case body and accessories that are detachably mounted on the mobile phone case body. The utility model realizes the simple installation of accessories, making the structure of the mobile phone case body simple; the Chinese patent with publication number CN218920456U discloses a modular mobile phone case. The case includes a cross-shaped connecting frame and four edging pieces. The utility model splits the traditional one-piece mobile phone case into a cross-shaped connecting frame and four edging pieces, so that the cross-shaped connecting frame and the four edging pieces can be separately disassembled, assembled and replaced, effectively avoiding unnecessary waste; the Chinese patent with publication number CN209982550U discloses a modular mobile phone case, which carries several modules including a solar charging panel, a battery, and a wireless power receiving and transmitting device, solving the problems of short mobile phone battery life and inconvenient access to mobile phone power in special circumstances, thereby achieving the effect of stably enhancing the battery life of the mobile phone.

[0005] These mobile phone cases have the same defects as the traditional mobile phone cases stated above. They do not realize the modular design of the mobile phone case frame and back shell, resulting in poor flexibility in the design, production and use of the mobile phone cases. Utility Model Content

[0006] In view of the above situation, in order to overcome the defects of the existing technology, the purpose of the present invention is to provide a combined modular mobile phone case, whose back shell and frame have a modular design. Different from the traditional one-piece mobile phone case, it has lower manufacturing cost and lower subsequent maintenance cost. The modular design also gives the mobile phone case more possibilities to realize functions, and the product usability and convenience are improved.

[0007] The above technical objectives of the present invention are achieved through the following technical solutions:

[0008] A combined modular mobile phone case includes a modularly designed frame and a back shell, which are detachable or installed in combination and can be used separately or in conjunction with each other; two sets of hidden slot structures are provided in the frame, namely a first slot structure for fixing the mobile phone and a second slot structure for fixing the back shell; the back shell can be installed on the rear side of the frame through the second slot structure; a hidden magnetic structure is provided inside the back shell, and the back shell can be adsorbed on the back of the mobile phone through the magnetic structure; a camera opening for the mobile phone is provided on the back shell, a volume key opening is provided on the left side of the frame, a power button opening is provided on the right side of the frame, and a first speaker opening, a charging port opening and a second speaker opening are provided at the bottom of the frame from left to right.

[0009] Furthermore, the frame and the back shell can be manufactured using 3D printing technology.

[0010] Furthermore, the length, width and height of the first card slot structure are L1, W1 and H1 respectively, the length, width and thickness of the mobile phone are L, W and H respectively, L1=L+△, W1=W+△, H1=H+△, △ is the processing error, △=0.2mm~0.6mm.

[0011] Furthermore, the length, width and height of the second slot structure are consistent with the size of the frame.

[0012] Furthermore, the upper edge length a of the first slot structure is 0.75 mm, the lower edge length a′ of the first slot structure is 1.25 mm, and the upper edge thickness a″ of the first slot structure is 2.5 mm.

[0013] Furthermore, the length b of the lower edge of the second slot structure is 2 mm, and the thickness b' of the lower edge of the second slot structure is 1.5 mm.

[0014] Furthermore, the four corners of the frame are thickened by 4 mm.

[0015] In summary, the present invention has the following beneficial effects:

[0016] The present invention provides a modular mobile phone case with a simple structure, ease of use, and comprehensive functionality. This modular design of the phone case frame and back cover allows for greater flexibility in design and manufacturing. The modular design divides the phone case into distinct modules, which can be used independently or in combination to meet the diverse user needs for phone protection. Each module can be customized for decorative or functional features. The modular design also improves the product's maintainability and upgradeability, allowing users to replace or upgrade specific components of the phone case as needed, reducing resource consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application, but do not constitute an improper limitation of the present invention. In the drawings:

[0018] Figure 1 It is a structural diagram of the utility model;

[0019] Figure 2 It is a structural diagram of the frame of the utility model;

[0020] Figure 3 This is a schematic structural diagram of the rear shell of the utility model;

[0021] Figure 4 This is a schematic diagram of the rear shell structure of an embodiment of the utility model;

[0022] Figure 5 This is a schematic diagram of the frame structure of an embodiment of the utility model;

[0023] Figure 6 This is a cross-sectional view of the frame AA of an embodiment of the utility model;

[0024] Figure 7 This is a cross-sectional view of the frame BB of an embodiment of the present utility model;

[0025] In the picture, 1. Frame; 2. Back cover; 3. Volume button opening; 4. Power button opening; 5. First speaker opening; 6. Charging port opening; 7. Second speaker opening; 8. Camera opening; 9. Magnetic structure; 10. First card slot structure; 11. Second card slot structure. DETAILED DESCRIPTION

[0026] The above and other technical contents, features and effects of the present invention are described in detail below with reference to the attached Figure 1 To the attached Figure 7 The detailed description of the embodiments will clearly show that the structural contents mentioned in the following embodiments are all based on the accompanying drawings.

[0027] Various exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.

[0028] The present invention provides a combined modular mobile phone case, which includes two modules, a frame 1 and a back cover 2. The two modules mainly realize the functions of quick installation and disassembly through a convenient card slot structure. The frame 1 and the back cover 2 can be used separately to protect the side and back of the mobile phone respectively. The frame 1 and the back cover 2 can also be used in combination to protect the side and back of the mobile phone at the same time. In this embodiment, the modular structure of the mobile phone case can be manufactured using 3D printing technology.

[0029] The frame 1 is mounted on the front side of the back cover 2. A first slot structure 10 and a second slot structure 11 are provided inside the frame 1. The first slot structure 10 and the second slot structure 11 are hidden inside the frame 1. In this embodiment, two sets of slot structures are provided inside the frame 1. The first slot structure 10 is provided on the front side of the frame 1, and the second slot structure 11 is provided on the back side of the frame 2. The mobile phone is inserted into the frame 1 through the first slot structure 10, and the back cover 2 is inserted into the frame 1 through the second slot structure 11. The first slot structure 10 and the second slot structure 11 help to firmly fix the frame 1, the back cover 2, and the mobile phone together.

[0030] In this embodiment, the length, width, and height of the first slot structure 10 are L1, W1, and H1, respectively. L1, W1, and H1 constitute the internal dimensions of the first slot structure 10. The length, width, and thickness of the mobile phone are L, W, and H, respectively. L1 = L + Δ, W1 = W + Δ, and H1 = H + Δ, where Δ represents the manufacturing tolerance, typically 0.2 mm to 0.6 mm. The length, width, and height of the second slot structure 11 are consistent with the dimensions of the frame 2, namely L2, W2, and H2, respectively. L2, W2, and H2 constitute the internal dimensions of the second slot structure 11.

[0031] a is the upper half limit of the first card slot structure 10, which is 0.75mm; a' is the lower half limit of the first card slot structure 10, which is 1.25mm; a'' is the upper half thickness of the first card slot structure 10, which is 2.5mm; a, a', and a'' constitute the limit range of the first card slot structure 10; b is the lower half limit of the second card slot structure 11, which is 2mm; b' is the lower half thickness of the second card slot structure 11, which is 1.5mm; b and b' constitute the limit range of the second card slot structure 11; H3 is the heightened thickness of the four corners of the frame 1, which is 4mm.

[0032] Through the above structure, the frame 1 and the mobile phone are fixed by the first card slot structure 10, and the frame 1 can be used alone to protect the side of the mobile phone. The frame 1 and the back shell 2 are fixed by the second card slot structure 11. The frame 1 and the back shell 2 can be used in combination to protect the side and back of the mobile phone. The frame 1 and the back shell 2 realize the function of quick installation and disassembly through modular design, and the four corners of the frame 1 are increased in thickness to protect the mobile phone camera.

[0033] The back cover 2 is provided with a magnetic structure 9, which is provided with a magnet. The magnetic structure 9 is adsorbed on the back of the mobile phone through the internal magnet of the original mobile phone or the magnet installed by the user. The mobile phone and the back cover 2 can be magnetically connected through the magnetic structure 9.

[0034] Through the above structure, the rear cover 2 is adsorbed on the back of the mobile phone through the magnetic structure 9, and the rear cover 2 can be used alone to protect the back of the mobile phone.

[0035] A volume button opening 3 is provided on the left side of the frame 1, a power button opening 4 is provided on the right side of the frame 1, and the bottom of the frame 1 is provided with a first speaker opening 5, a charging port opening 6, and a second speaker opening 7 from left to right, and the back shell 2 is provided with a camera opening 8.

[0036] The above-mentioned volume button opening 3, power button opening 4, first speaker opening 5, charging port opening 6, second speaker opening 7, and camera opening 8 are all conventional functional designs of the mobile phone case.

[0037] The present invention has the following advantages: The frame and back cover of the present invention can be quickly installed and disassembled through a modular design. The two can be used in conjunction with each other to protect the entire side and back of the mobile phone; the two can also be used separately to protect the frame and back cover of the mobile phone respectively. The four corners of the frame are provided with a heightening structure to protect the mobile phone camera. Two sets of card slot structures are hidden inside the frame. The first card slot structure is used to fix the mobile phone to the frame. The back cover is installed on the back side of the frame through the second card slot structure. The back cover can be used alone through the magnetic structure to protect the back of the mobile phone. The magnetic structure is hidden inside the back cover and is used to be adsorbed on the back of the mobile phone. It is also used to expand the function of the mobile phone case.

[0038] The above is a further detailed description of the present invention in combination with a specific implementation method, and it cannot be determined that the specific implementation of the present invention is limited to this. For technical personnel in the field of the present invention and related technical fields, based on the technical solution of the present invention, any expansion and replacement of operating methods and data should fall within the scope of protection of the present invention.

Claims

1. A modular mobile phone case, characterized by: The invention comprises a frame (1) and a back shell (2) of modular design, wherein the frame (1) and the back shell (2) are detachable or assembled, and can be used separately or in conjunction with each other; two sets of hidden card slot structures are provided in the frame (1), namely a first card slot structure (10) for fixing a mobile phone and a second card slot structure (11) for fixing the back shell (2); the back shell (2) can be installed on the back side of the frame (1) through the second card slot structure (11); a hidden magnetic structure (9) is provided inside the back shell (2), and the back shell (1) can be adsorbed on the back of the mobile phone through the magnetic structure (9); a camera opening (8) for the mobile phone is provided on the back shell (2); a volume key opening (3) is provided on the left side of the frame (1), a power button opening (4) is provided on the right side of the frame (1), and a first speaker opening (5), a charging port opening (6) and a second speaker opening (7) are provided on the bottom of the frame (1) from left to right.

2. The modular mobile phone case according to claim 1, characterized in that: The frame (1) and the rear shell (2) can be manufactured using 3D printing technology.

3. The modular mobile phone case according to claim 1, characterized in that: The length, width and height of the first card slot structure (10) are L1, W1 and H1 respectively, and the length, width and thickness of the mobile phone are L, W and H respectively, L1=L+△, W1=W+△, H1=H+△, △ is the processing error, △=0.2mm~0.6mm.

4. The modular mobile phone case according to claim 1, characterized in that: The length, width and height of the second slot structure (11) are consistent with the dimensions of the frame (2).

5. The modular mobile phone case according to claim 1, characterized in that: The upper edge length a of the first slot structure (11) is 0.75 mm, the lower edge length a' of the first slot structure (11) is 1.25 mm, and the upper edge thickness a'' of the first slot structure (11) is 2.5 mm.

6. The modular mobile phone case according to claim 1, characterized in that: The length b of the lower edge of the second slot structure (11) is 2 mm, and the thickness b' of the lower edge of the second slot structure (11) is 1.5 mm.

7. The modular mobile phone case according to claim 1, characterized in that: The four corners of the frame (1) are thickened by 4 mm.

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