Mobile phone shell, expansion module and mobile phone shell assembly

By designing a detachable movable frame and expansion module, the problem of the bulkiness of existing mobile phone cases with photography functions is solved, a combination of lightness and versatility is achieved, and the user's photography experience and connection stability are improved.

CN223391374UActive Publication Date: 2025-09-26SHENZHEN FUTU TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422906578.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-27
Publication Date
2025-09-26
Estimated Expiration
2034-11-27

AI Technical Summary

Technical Problem

Existing mobile phone cases with photography functions are too bulky, affecting the user's normal usage experience and failing to meet the user's demand for multi-functions.

Method used

A mobile phone case is designed, comprising a main body and a detachable movable frame. Quick connection is achieved through a limit portion and a detachable structure, and multifunctionality is provided in combination with an expansion module. An elastic supporting structure and a buckle design are adopted to ensure connection stability and convenience.

Benefits of technology

It achieves a combination of lightweight, multifunctionality and high portability, improves the user's mobile phone photography experience, enhances the functionality and expandability of the phone case, and improves the stability of the connection and the user's convenience of operation.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223391374U_ABST
    Figure CN223391374U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of mobile phone shells, in particular to a mobile phone shell, an expansion module and a mobile phone shell assembly. The mobile phone shell comprises a main body and a first movable frame, and two opposite side edges of the main body are respectively provided with a limiting part; the first movable frame is detachably arranged at the same end of the two limiting parts, and a first expansion connecting position is arranged on the face, away from the limiting parts, of the first movable frame. According to the mobile phone shell provided by the embodiment of the invention, the first movable frame is flexibly mounted and dismounted through the limiting part and the detachable connection, so that a user can conveniently replace different movable frames according to requirements; the first movable frame is provided with the expansion connection position, so that a user is allowed to easily connect various expansion modules to the mobile phone shell, the functionality and expansibility of the mobile phone shell are enhanced, for example, the expansion module with an external photographing button is installed on the first frame, so that the user can use the external button to photograph, and the user experience is improved. The use experience of the camera is simulated through the mobile phone.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of mobile phone cases, and in particular to a mobile phone case, an expansion module and a mobile phone case assembly. Background Art

[0002] With the widespread adoption of smartphones, phone cases have become an essential tool for users to protect their devices. Most standard phone cases primarily provide physical protection, protecting the phone from scratches, drops, and other damage. These cases typically feature simple designs and a variety of materials (such as silicone, plastic, and metal). However, their functionality is limited, failing to meet users' demands for advanced features like mobile photography.

[0003] As mobile phone photography capabilities continue to improve, phone cases with built-in camera functionality have begun to appear on the market. To accommodate these additional camera functions, these cases often become larger, increasing the overall thickness and weight of the phone, causing inconvenience during daily use. Overly large cases can interfere with the user's experience, affecting the phone's grip and button operation, and can even appear unwieldy in some situations. Utility Model Content

[0004] In order to solve the technical problem that existing mobile phone cases with photography functions are too bulky, the utility model provides a mobile phone case, an expansion module and a mobile phone case assembly.

[0005] The solution to the technical problem of the present invention is to provide a mobile phone case, including a main body and a first movable frame, wherein limiting parts are respectively provided on two opposite side edges of the main body; the first movable frame is detachably provided at the same end of the two limiting parts, and a first expansion connection position is provided on a side of the first movable frame facing away from the limiting part.

[0006] Preferably, a first detachable structure is provided at one end of the limiting portion close to the first movable frame, and a second detachable structure is provided on the first movable frame corresponding to the first detachable structure; one of the first detachable structure and the second detachable structure is an elastic supporting structure, and the other is a matching groove.

[0007] Preferably, a first mounting groove is provided on one side of the first movable frame, and when the first movable frame is detachably connected to the limiting portion, at least a partial area of ​​the limiting portion is sleeved in the first mounting groove.

[0008] Preferably, the first expansion connection position includes a first buckle position, the first buckle position includes a buckle position entrance connected to the first installation groove, and a buckling surface is provided on the bottom wall of the first installation groove corresponding to the buckle position entrance.

[0009] Preferably, at least two first buckle positions are provided on the first movable frame, and a second buckle position is further provided on the first movable frame, and the second buckle position is located between the two first buckle positions; the buckling surface is a slope.

[0010] Preferably, the main body includes a bottom plate, and the two limiting parts are arranged corresponding to the short sides of the bottom plate; the mobile phone case also includes a second movable frame, the first movable frame and the second movable frame are arranged corresponding to the long sides of the bottom plate, and the end of the limiting part away from the first movable frame is detachably connected to the second movable frame.

[0011] Preferably, the two limiting parts are close to one end of the second movable frame, one is provided with an elastic supporting structure, and the other is provided with a third buckle position, and a second mounting groove is provided on the second movable frame. The two ends of the inner wall of the second mounting groove are provided with matching grooves corresponding to the elastic supporting structure, and a first hook is provided corresponding to the third buckle position.

[0012] Preferably, an external mounting position is provided on the side surface of the second movable frame, and a gripping piece is provided on the external mounting position; when the second movable frame is installed in connection with the limiting portion, the gripping piece is arranged corresponding to the bottom plate.

[0013] Another solution to the technical problem of the present invention is to provide an expansion module for detachably connecting to the above-mentioned mobile phone case, wherein the expansion module is provided with a second expansion connection position, and the expansion module and the mobile phone case are detachably connected through the expansion connection position and the second expansion connection position.

[0014] Another solution to the technical problem of the present invention is to provide a mobile phone case assembly, including the mobile phone case as described above, and also including an expansion module, the expansion module is detachably connected to the mobile phone case, the expansion module is provided with an electrically connected central control module and a communication module, and the outer surface of the expansion module is provided with an operation button connected to the central control module.

[0015] Compared with the prior art, the present invention provides a mobile phone case, an expansion module and a mobile phone case assembly, which have the following advantages:

[0016] 1. The present invention provides a mobile phone case comprising a main body and a first movable frame. By detachably connecting the main body and the first movable frame, the case achieves a combination of lightweight, multifunctionality, and high portability, significantly enhancing the user's mobile phone photography experience. Specifically, two opposing sides of the main body are provided with respective limiters. When an external mobile phone is installed in the main body, the limiters secure the mobile phone via the limiters. The first movable frame is detachably disposed at the same end of the two limiters. When the first movable frame is installed, the two limiters are further secured, thereby better securing the mobile phone. The limiters and the detachable connection enable flexible installation and removal of the first movable frame, facilitating the user to replace different movable frames as needed. The provision of an expansion connection position on the first movable frame allows the user to easily connect various expansion modules to the mobile phone case, thereby enhancing the functionality and expandability of the mobile phone case. For example, by attaching an expansion module with an external camera button to the first frame, the user can use the external button to take photos, simulating the experience of using a camera through the mobile phone.

[0017] 2. In the mobile phone case of the embodiment of the utility model, the cooperation between the elastic supporting structure and the matching groove realizes a quick and reliable connection between the first movable frame and the limiting portion; the elastic structure makes it easier for users to quickly disassemble and assemble; at the same time, after installation, the two limiting portions and the first movable frame located on the same side thereof further enclose a protective space for accommodating mobile phones and other electronic devices, which can better wrap the mobile phone case.

[0018] 3. In the mobile phone case of the embodiment of the present invention, the two limiting parts are further fixed by sleeve-fitting the two limiting parts with the first mounting groove, thereby ensuring a close fit between the first movable frame and the limiting parts and improving the stability of the connection.

[0019] 4. In the mobile phone case of the embodiment of the present invention, the design of the buckle entrance and the buckle surface enables the expansion module to be quickly connected and locked with the first movable frame.

[0020] 5. In the mobile phone case of the embodiment of the present invention, by setting at least two first buckles on the first movable frame, multiple connection points are provided, ensuring that the connection between the expansion module and the first movable frame is more firm and stable; the second buckle is located between the two first buckle, and this layout design enables the expansion module to be evenly stressed during installation, avoiding local deformation or damage caused by uneven force; the fastening surface of each first buckle is located on the same side of the corresponding buckle entrance, which simplifies the installation process and can simultaneously complete the connection between multiple first buckles and the corresponding detachable structure from one side; at the same time, the fastening surface is set as an inclined surface, and this layout also helps to improve the installation accuracy of the expansion module and ensure that each connection point can be effectively fastened.

[0021] 6. In the mobile phone case of the embodiment of the utility model, a complete mobile phone case structure is formed through the design of the second movable frame, which enhances the overall stability and protection performance; users can choose second movable frames with different functions according to their needs to achieve higher personalized customization.

[0022] 7. In the mobile phone case of the embodiment of the present invention, a quick and reliable connection between the second movable frame and the limiting portion is achieved through the cooperation of the elastic supporting structure and the matching groove, the third buckle position and the hook; one end adopts the elastic supporting structure and the other end adopts the hook structure. The area adopting the hook structure can withstand greater force and is not easy to detach, while the area adopting the elastic supporting structure is more convenient to disassemble, thereby comprehensively realizing different functions, improving the convenience of installation and disassembly while ensuring the reliability of the connection.

[0023] 8. In the mobile phone case of the embodiment of the present invention, the design of the external mounting position and the gripping member improves the comfort and stability of the user holding the mobile phone.

[0024] 9. The embodiment of the present invention also provides an expansion module for cooperating with a mobile phone case to flexibly provide various expansion functions.

[0025] 10. The embodiment of the present invention also provides a mobile phone case assembly, which has the same beneficial effects as the above-mentioned mobile phone case, and through the support of the central control module and the communication module, the expansion module can communicate data with the mobile phone to achieve more intelligent operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 The utility model provides an explosion-proof mobile phone shell. Figure 1 .

[0027] Figure 2 The utility model provides a mobile phone shell explosion Figure 2 .

[0028] Figure 3 This is a cross-sectional view of a mobile phone case provided by an embodiment of the present utility model.

[0029] Figure 4 The utility model provides a mobile phone shell explosion Figure 3 .

[0030] Figure 5 This is a structural schematic diagram of a mobile phone case provided by an embodiment of the utility model.

[0031] Figure 6 This is a structural schematic diagram of a first movable frame in a mobile phone case provided by an embodiment of the utility model.

[0032] Figure 7 yes Figure 5 A magnified view of center.

[0033] Figure 8 This is an exploded view of a first movable frame in a mobile phone case provided by an embodiment of the utility model.

[0034] Figure 9 This is a structural schematic diagram of a second movable frame in a mobile phone case provided by an embodiment of the utility model.

[0035] Figure 10 This is a schematic diagram of the structure of a mobile phone case provided by the embodiment of the utility model Figure 2 .

[0036] Figure 11 It is a structural diagram of an expansion module provided by an embodiment of the present utility model.

[0037] Figure 12 This is an exploded view of a mobile phone case assembly provided by an embodiment of the present utility model.

[0038] Figure 13 yes Figure 12 Magnified view of B.

[0039] Figure 14 It is a module schematic diagram of the expansion module provided in an embodiment of the present utility model.

[0040] Description of the accompanying drawings:

[0041] 10. Mobile phone case; 20. Expansion module; 100. Mobile phone case components;

[0042] 1. Main body; 11. Bottom plate; 12. Limiting portion; 121. Bending portion; 122. Elastic supporting structure; 123. Third buckle position; 13. Accommodating space;

[0043] 2. First movable frame; 21. First expansion connection position; 211. First buckle position; 2111. Buckle position entrance; 2112. Buckling surface; 212. Second buckle position; 2121. Avoidance groove; 21211. First locking position; 2122. Hard patch; 21221. Second locking position; 22. First installation slot; 23. Mating slot;

[0044] 3. Second movable frame; 31. Second mounting slot; 32. First hook; 33. External mounting position; 34. Grip;

[0045] 4. Second expansion connection position; 41. Second hook; 42. Central control module; 43. Communication module; 44. Camera operation button; 45. Universal card slot. DETAILED DESCRIPTION

[0046] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and implementation examples. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0047] It should be noted that the terms "first" and "second" in the description and claims of the present utility model are used to distinguish different objects rather than to describe a specific order.

[0048] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly attached to the other element or there may be an intermediate element. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only.

[0049] In this utility model, terms such as "upper," "lower," "left," "right," "front," "back," "top," "bottom," "inner," "outer," "center," "vertical," "horizontal," "transverse," and "longitudinal" indicate positions or locations based on the positions or locations shown in the accompanying drawings. These terms are primarily intended to better describe the utility model and its embodiments and are not intended to limit the devices, elements, or components indicated to having a specific orientation, or to being constructed or operated in a specific orientation.

[0050] Furthermore, some of the above terms may be used to express other meanings besides indicating a position or location. For example, the term "on" may also be used to indicate a dependency or connection in certain circumstances. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0051] Furthermore, the terms "installed," "disposed," "provided with," "connected," and "connected" should be interpreted broadly. For example, they can refer to fixed connections, removable connections, or integral structures; mechanical connections or electrical connections; direct connections, indirect connections through an intermediary, or internal communication between two devices, elements, or components. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0052] See also Figure 1The first embodiment of the present invention provides a mobile phone case 10, including a main body 1 and a first movable frame 2, and a limiting portion 12 is respectively provided on two opposite sides of the main body 1; the first movable frame 2 is detachably provided at the same end of the two limiting portions 12, and a first expansion connection position 21 is provided on a side of the first movable frame 2 away from the limiting portion 12.

[0053] It can be understood that the mobile phone case 10 provided in the embodiment of the present invention includes a main body 1 and a first movable frame 2. By making the main body 1 and the first movable frame 2 detachable and connected, a combination of lightness, versatility and high portability is achieved, which significantly improves the user's mobile phone photography experience. Specifically, limiting parts 12 are respectively provided on the two opposite sides of the main body 1. When an external mobile phone is installed in the main body 1, the installation and fixation of the mobile phone are completed by the limiting parts 12; the first movable frame 2 is detachably provided at the same end of the two limiting parts 12. When the first movable frame 2 is completed, the two limiting parts 12 will be further fixed to better fix the mobile phone; through the limiting parts 12 and the detachable connection, the first movable frame 2 is flexibly installed and disassembled, which is convenient for users to replace different movable frames according to their needs; and setting an expansion connection position on the first movable frame 2 allows users to easily connect various expansion modules 20 to the mobile phone case 10, thereby enhancing the functionality and extensibility of the mobile phone case 10. For example, if the expansion module 20 with an external photography button is installed on the first frame, the user can use the external button to take pictures, and simulate the camera experience through the mobile phone.

[0054] Please combine Figure 1 and Figure 2 As an embodiment, the main body 1 includes a bottom plate 11, two limiting portions 12 are relatively arranged on two opposite sides of the bottom plate 11, and the two limiting portions 12 protrude toward the same side of the bottom plate 11 to enclose and form a receiving space 13 for accommodating an external mobile phone.

[0055] It is understandable that users can choose whether to use the first movable frame 2 and other expansion modules 20 according to actual needs, thereby improving the flexibility and adaptability of the mobile phone case 10. Even if the first movable frame 2 is removed, the main body 1 structure alone can still be used as a complete mobile phone case 10. This design allows users to simplify the structure of the mobile phone case 10 when additional functions are not needed, keeping it light, thin, and portable.

[0056] Please continue reading Figure 2 As an embodiment, the two limiting portions 12 are bent and extended toward each other at one end away from the bottom plate 11 to form an elastically deformable bending portion 121.

[0057] It can be understood that the elastic deformation characteristics of the bending portion 121 allow the user to temporarily deform the bending portion 121 by applying external force when installing the mobile phone, thereby easily placing the mobile phone into the accommodating space 13; once the external force is removed, the bending portion 121 will automatically reset and fit tightly to the edge of the mobile phone, thereby fixing the mobile phone and preventing it from sliding or falling off during use; this design allows users to quickly and easily install and remove the mobile phone, thereby improving the user experience.

[0058] Please continue reading Figure 2 As an embodiment, a first detachable structure is provided at one end of the limiting portion 12 close to the first movable frame 2, and a second detachable structure is provided on the first movable frame 2 corresponding to the first detachable structure; one of the first detachable structure and the second detachable structure is an elastic supporting structure 122, and the other is a matching groove 23.

[0059] It can be understood that in the mobile phone case 10 of the embodiment of the present invention, the cooperation between the elastic supporting structure 122 and the matching groove 23 is used to achieve a quick and reliable connection between the first movable frame 2 and the limiting portion 12; the use of an elastic structure makes it easier for users to quickly disassemble and assemble; at the same time, after the installation is completed, the two limiting portions 12 and the first movable frame 2 located on the same side thereof further enclose a protective space for accommodating mobile phones and other electronic devices, which can better wrap the mobile phone case 10.

[0060] As an embodiment, taking the first detachable structure as an elastic supporting structure 122 as an example, the elastic supporting structure 122 includes an elastic member and a supporting member, one end of the elastic member is connected to the supporting member, and the other end is connected to the limiting portion 12; when the first movable frame 2 is installed on the main body 1, the elastic member presses the supporting member tightly in the mating groove 23.

[0061] It can be understood that the elastic properties of the elastic part allow the user to smoothly install the first movable frame 2 in place by simply applying external force to compress the elastic part when installing the first movable frame 2; when the external force is removed, the elastic part returns to its original state, pressing the supporting part tightly into the mating groove 23 to complete the fixation.

[0062] As an embodiment, the shape of the resisting member matches the shape of the matching groove 23, and the shape of the resisting member can be changed according to design requirements. Specifically, in this embodiment, the resisting member is spherical; in other embodiments, the resisting member can also be other polyhedrons.

[0063] As an embodiment, a guide groove is provided on the first movable frame 2 on the side of the mating groove 23 close to the main body 1. The depth of the guide groove is less than the depth of the mating groove 23. When the first movable frame 2 is installed on the main body 1, the abutment member passes through the guide groove and enters the mating groove 23. It can be understood that the design of the guide groove significantly improves the installation convenience of the first movable frame 2, allowing users to complete installation faster and more easily, improving the efficiency and user experience.

[0064] As an embodiment, the limiting portion 12 is provided with a guide channel, the elastic member is located within the guide channel, and at least a portion of the abutment member is located within the guide channel. When the elastic abutment structure 122 is squeezed by elastic force or recovers after the external force is removed, the elastic member expands and contracts along the direction of the guide channel, and the abutment member moves along the direction of the guide channel. It can be understood that the design of the guide channel ensures precise guidance of the elastic member and the abutment member during movement, avoiding jamming or failure due to offset.

[0065] Please combine Figure 2 and Figure 3 As an embodiment, a first mounting groove 22 is provided on one side of the first movable frame 2. When the first movable frame 2 is detachably connected to the limiting portion 12, at least a portion of the limiting portion 12 is sleeved in the first mounting groove 22.

[0066] It can be understood that in the mobile phone case 10 of the embodiment of the present invention, the two limiting parts 12 are further fixed by allowing them to be mounted on the first mounting groove 22, thereby ensuring a close fit between the first movable frame 2 and the limiting part 12 and improving the stability of the connection.

[0067] See also Figure 4 As an embodiment, the two limiting portions 12 are arranged corresponding to the short sides of the bottom plate 11; the mobile phone case 10 also includes a second movable frame 3, the first movable frame 2 and the second movable frame 3 are arranged corresponding to the long sides of the bottom plate 11, and the end of the limiting portion 12 away from the first movable frame 2 is detachably connected to the second movable frame 3.

[0068] It can be understood that in the mobile phone case 10 of the embodiment of the present invention, a complete mobile phone case 10 structure is formed through the design of the second movable frame 3, which enhances the overall stability and protection performance; users can choose the second movable frame 3 with different functions according to their needs to achieve higher personalized customization.

[0069] Specifically, taking the shape of a general mobile phone case 10 as an example, the front view of the mobile phone case 10 in this embodiment is roughly rectangular, with its upper and lower edges being short sides and the left and right edges being long sides; that is, the two limiting parts 12 can be set as the upper limiting part 12 and the lower limiting part 12 corresponding to the upper and lower short sides of the mobile phone case 10, and the first movable frame 2 and the second movable frame 3 are respectively mounted on the end parts on one side of the two limiting parts 12, so that the first movable frame 2, the second movable frame 3 and the two limiting parts 12 form a closed annular frame.

[0070] Please combine Figures 5 to 7 As an embodiment, the first expansion connection position 21 includes a first buckle position 211, the first buckle position 211 includes a buckle position entrance 2111 connected to the first installation groove 22, and a buckling surface 2112 is provided on the bottom wall of the first installation groove 22 corresponding to the buckle position entrance 2111.

[0071] It can be understood that in the mobile phone case 10 of the embodiment of the present invention, the design of the buckle entrance 2111 and the buckle surface 2112 enables the expansion module 20 to be quickly connected and locked with the first movable frame 2.

[0072] Please continue reading Figure 5 As an embodiment, at least two first buckle positions 211 are provided on the first movable frame 2, and a second buckle position 212 is also provided on the first movable frame 2, and the second buckle position 212 is located between the two first buckle positions 211; the buckling surface 2112 is a slope.

[0073] It can be understood that in the mobile phone case 10 of the embodiment of the present invention, multiple connection points are provided by setting at least two first buckle positions 211 on the first movable frame 2, ensuring that the connection between the expansion module 20 and the first movable frame 2 is more firm and stable; the second buckle position 212 is located between the two first buckle positions 211. This layout design enables the expansion module 20 to be evenly stressed during installation, avoiding local deformation or damage caused by uneven force; the buckling surface 2112 of each first buckle position 211 is located on the same side of the corresponding buckle position entrance 2111, which is convenient for simplifying the installation process, and the connection between multiple first buckle positions 211 and the corresponding detachable structure can be completed synchronously from one side; at the same time, the buckling surface 2112 is set as a slope. This layout also helps to improve the installation accuracy of the expansion module 20 and ensure that each connection point can be effectively buckled.

[0074] See also Figure 8 As an embodiment, three first buckle positions 211 are provided on the first movable frame 2, specifically buckle position 211a, buckle position 211b and buckle position 211c, wherein buckle position 211a and buckle position 211c are provided near the two ends of the first movable frame 2, and buckle position 211b is provided near buckle position 211a, and the second buckle position 212 is located between buckle position 211a and buckle position 211b.

[0075] It can be understood that by arranging the second buckle position 212 between the two first buckle positions 211 with a smaller distance between them, the connection reliability between the first movable frame 2 and the external expansion module 20 at this position can be effectively improved.

[0076] Please continue reading Figure 8 The second buckle position 212 includes a avoiding groove 2121 provided on the first movable frame 2 and a first latching position 21211 provided at the bottom of the avoiding groove 2121.

[0077] As a feasible embodiment, a hard patch 2122 is further provided in the avoidance groove 2121. The hardness of the hard patch 2122 is greater than that of the first movable frame 2. A second latching position 21221 is provided on the hard patch 2122, corresponding to the first latching position 21211. It can be understood that by adding the hard patch 2122, when the external expansion module 20 is installed on the SIM card, the connection will contact the hard patch 2122 and then enter the second latching position 21221 and the first latching position 21211, which can effectively prevent the outer surface of the first movable frame 2 from being scratched.

[0078] Please combine Figure 2 、 Figure 4 and Figure 9 As an embodiment, the two limiting parts 12 are close to one end of the second movable frame 3, one is provided with an elastic supporting structure 122, and the other is provided with a third buckle position 123. The second movable frame 3 is provided with a second mounting groove 31, and the two ends of the inner wall of the second mounting groove 31 are provided with matching grooves 23 corresponding to the elastic supporting structure 122, and a first hook 32 is provided corresponding to the third buckle position 123.

[0079] It can be understood that in the mobile phone case 10 of the embodiment of the present invention, a quick and reliable connection between the second movable frame 3 and the limiting part 12 is achieved through the cooperation of the elastic supporting structure 122 and the matching groove 23, the third buckle 123 and the hook; one end adopts the elastic supporting structure 122 and the other end adopts the hook structure. The area using the hook structure can withstand greater force and is not easy to detach, while the area using the elastic supporting structure 122 is more convenient to disassemble, and different functions are comprehensively realized, which improves the convenience of installation and disassembly while ensuring the reliability of the connection.

[0080] See also Figure 10 As an embodiment, an external mounting position 33 is provided on the side of the second movable frame 3, and a gripping piece 34 is provided on the external mounting position 33; when the second movable frame 3 is installed and connected to the limiting portion 12, the gripping piece 34 is set corresponding to the bottom plate 11.

[0081] It can be understood that in the mobile phone case 10 of the embodiment of the present invention, the design of the external mounting position 33 and the gripping member 34 improves the comfort and stability of the user holding the mobile phone.

[0082] As an embodiment, a first magnetic part is provided on the holding piece 34, and a second magnetic part is provided on the base plate 11. When the second movable frame 3 is installed and connected to the limiting part 12, the holding piece 34 and the base plate 11 are magnetically connected through the first magnetic part and the second magnetic part.

[0083] It can be understood that the magnetic connection ensures a firm connection between the grip 34 and the base plate 11, preventing it from loosening or falling off during use; at the same time, when the user removes the grip 34, he only needs to gently apply external force to overcome the magnetic force to easily remove it, and the operation is simple and quick.

[0084] It should be noted that the user can equip multiple different second movable frames 3 at the same time, for example, a second movable frame 3 with a grip 34 and a second movable frame 3 without a grip 34, and replace them according to actual usage needs.

[0085] Please combine Figure 11 and Figure 12 Another solution to the technical problem of the present invention is to provide an expansion module 20 for detachably connecting with the above-mentioned mobile phone case 10. The expansion module 20 is provided with a second expansion connection position 4, and the expansion module 20 and the mobile phone case 10 are detachably connected through the expansion connection position and the second expansion connection position 4.

[0086] It can be understood that the embodiment of the present invention provides an expansion module 20 for cooperating with the mobile phone case 10 to flexibly provide various expansion functions.

[0087] See also Figure 11 The expansion module 20 is also provided with a wildcard slot 45 for additionally installing external components such as a fill light.

[0088] It can be understood that the design of the wildcard slot 45 makes the installation and removal of external components more convenient and quick, and users can easily replace different external components without complicated tools or steps; this design improves the user's operational convenience and flexibility of use, and enhances the overall user experience.

[0089] See also Figure 13The second expansion connection position 4 includes a second hook 41 corresponding to the first buckle position 211 and an elastic supporting structure 122 corresponding to the second buckle position 212. When the expansion module 20 is installed on the first movable frame 2, the second hook 41 hooks tightly against the buckling surface 2112 of the first buckle position 211, while the elastic supporting structure 122 presses against the second buckle position 212, thereby tightening the buckling between the second hook 41 and the first buckle position 211.

[0090] Please combine Figure 12 and Figure 14 Another solution to the technical problem of the present invention is to provide a mobile phone case assembly 100, including the mobile phone case 10 as described above, and also including an expansion module 20, the expansion module 20 is detachably connected to the mobile phone case 10, and an electrically connected central control module 42 and a communication module 43 are provided in the expansion module 20, and an operation button connected to the central control module 42 is provided on the outer surface of the expansion module 20.

[0091] It can be understood that the embodiment of the present invention also provides a mobile phone case assembly 100, which includes the same beneficial effects as the above-mentioned mobile phone case 10, and through the support of the central control module 42 and the communication module 43, the expansion module 20 can communicate data with the mobile phone to achieve more intelligent operations.

[0092] Please combine Figures 1 to 14 The usage process / principle of the mobile phone case assembly 100 in this embodiment is briefly described as follows: Place the mobile phone into the accommodating space 13 of the main body 1 structure. The limiting portion 12 protrudes toward the same side of the base plate 11, forming an enclosed space to ensure that the mobile phone is securely fixed. Install the first movable frame 2 and align it with the limiting portion 12 of the main body 1 structure, aligning the elastic member and the abutting member with the guide channel. Gently apply external force to force the abutting member into the guide groove, then continue to push until the abutting member is fully inserted into the mating groove 23, the elastic member returns to its original shape, and the abutting member is firmly pressed into the mating groove 23. Install the second movable frame 3 and align it with the limiting portion 12 of the main body 1 structure. After the first hook 32 is engaged with the third buckle 123, align the elastic abutting member 122 with the guide groove on the second movable frame 3. Gently apply external force to force the abutting member into the guide groove, then continue to push until the abutting member is fully inserted into the mating groove 23, the elastic member returns to its original shape, and the abutting member is firmly pressed into the mating groove 23. If a gripping module is provided on the second movable frame 3 , ensure that the gripping module is connected to the bottom plate 11 through magnetic attraction to provide a stable gripping experience.

[0093] When you need to use the expansion module 20 to take photos, install the expansion module 20 and align it with the first expansion connection position 21 on the first movable frame 2, and align the second expansion connection position 4 with the first expansion connection position 21. Gently apply external force to make the buckle of the expansion module 20 enter the buckle entrance 2111 of the first movable frame 2 until the buckle is fully engaged, ensuring that the expansion module 20 is firmly fixed.

[0094] As needed, insert external components (such as a fill light) into the universal card slot 45 on the expansion module 20. Ensure that the external components are securely fixed and will not loosen or fall off during use. The camera operation button 44 on the expansion module 20 allows users to conveniently control the phone's camera functions, such as taking photos and recording videos. The central control module 42 and communication module 43 communicate with the phone through an electrical connection, enabling more intelligent operations.

[0095] If you need to remove the first movable frame 2 or the second movable frame 3, you can easily remove it by gently applying external force to compress the elastic member and release the connection between the holding member and the matching groove 23. If you need to remove the expansion module 20 or the external component, you can easily remove it by gently applying external force to loosen the buckle.

[0096] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A mobile phone case, characterized in that: It includes a main body and a first movable frame, and limiting parts are respectively provided on the two opposite sides of the main body; the first movable frame is detachably arranged at the same end of the two limiting parts, and a first expansion connection position is provided on the side of the first movable frame away from the limiting part.

2. The mobile phone case according to claim 1, characterized in that: A first detachable structure is provided at one end of the limiting portion close to the first movable frame, and a second detachable structure is provided on the first movable frame corresponding to the first detachable structure; one of the first detachable structure and the second detachable structure is an elastic supporting structure, and the other is a matching groove.

3. The mobile phone case according to claim 1, wherein: A first mounting groove is provided on one side of the first movable frame. When the first movable frame is detachably connected to the limiting portion, at least a partial area of ​​the limiting portion is sleeved in the first mounting groove.

4. The mobile phone case according to claim 3, characterized in that: The first expansion connection position includes a first buckle position, and the first buckle position includes a buckle position entrance connected to the first installation groove. A buckling surface is provided on the bottom wall of the first installation groove corresponding to the buckle position entrance.

5. The mobile phone case according to claim 4, characterized in that: At least two first buckle positions are provided on the first movable frame, and the buckling surface of each first buckle position is located on the same side of the corresponding buckle position entrance. A second buckle position is also provided on the first movable frame, and the second buckle position is located between the two first buckle positions; the buckling surface is a slope.

6. The mobile phone case according to claim 1, wherein: The main body includes a bottom plate, and the two limiting parts are arranged corresponding to the short sides of the bottom plate; the mobile phone case also includes a second movable frame, and the first movable frame and the second movable frame are arranged corresponding to the long sides of the bottom plate, and the end of the limiting part away from the first movable frame is detachably connected to the second movable frame.

7. The mobile phone case according to claim 6, characterized in that: The two limiting parts are close to one end of the second movable frame, one is provided with an elastic supporting structure, and the other is provided with a third buckle position. A second mounting groove is provided on the second movable frame, and the two ends of the inner wall of the second mounting groove are provided with matching grooves corresponding to the elastic supporting structure, and a first hook is provided corresponding to the third buckle position.

8. The mobile phone case according to claim 6, wherein: An external mounting position is provided on the side surface of the second movable frame, and a gripping piece is provided on the external mounting position; when the second movable frame is installed and connected to the limiting portion, the gripping piece is arranged corresponding to the bottom plate.

9. An expansion module, characterized in that: Used to be detachably connected to the mobile phone case according to any one of claims 1 to 8, the expansion module is provided with a second expansion connection position, and the expansion module and the mobile phone case are detachably connected through the expansion connection position and the second expansion connection position.

10. A mobile phone case assembly, characterized in that: It includes the mobile phone case according to any one of claims 1 to 8, and also includes an expansion module, the expansion module is detachably connected to the mobile phone case, an electrically connected central control module and a communication module are provided in the expansion module, and an operation button connected to the central control module is provided on the outer surface of the expansion module.