Mobile phone case having air cushions arranged across entire case

Abstract

The present application discloses a mobile phone case having air cushions arranged across the entire case. The mobile phone case having the air cushions arranged across the entire case mainly consists of a bottom plate and a lining; the bottom plate comprises a back plate and a side plate, and has openings for a camera position, volume buttons, a charging port, etc.; and the lining and the bottom plate are both made of plastic-containing materials and are connected together by means of high-frequency hot melting technology to form an air cushion structure. In order to enhance the stability and cushioning effect of the mobile phone case, hot-melt regions are provided at the junction of the bottom plate and the side plate and at all opening positions. The hot-melt regions can be designed in multiple schemes, including continuous linear and discontinuous dotted patterns, so as to meet different use requirements and stress conditions. When a mobile phone is subjected to impact, the air cushion structure can quickly absorb and disperse the impact force, effectively protecting the mobile phone from damage. The mobile phone case of the present application has advantages such as a reasonable structure, a significant cushioning effect, and safe and reliable use.

Description

A mobile phone case with airbags arranged comprehensively TECHNICAL FIELD

[0001] The present application relates to the field of mobile phone accessories, in particular to a mobile phone case with airbags arranged comprehensively. BACKGROUND

[0002] With the popularity of smart phones, mobile phone protective cases as an important part of the mobile phone accessory market, their functions and designs are constantly innovating to meet the growing needs of consumers. Among them, airbag mobile phone cases gradually gain market favor with their unique anti-falling protection performance. However, the existing airbag mobile phone cases still have many shortcomings while providing a certain degree of protection.

[0003] In the existing airbag mobile phone cases, appearance and portability are a big problem. The airbags of many airbag mobile phone cases are exposed, affecting the aesthetics of the mobile phone case, and are easily touched in daily use, causing inconvenience. In addition, some airbag mobile phone cases are large in size when not inflated, making the overall mobile phone case bulky and inconvenient to carry, and the inflated shape becomes bloated, destroying the original aesthetics of the mobile phone.

[0004] In terms of airbag layout and protection effect, the existing airbag mobile phone cases have obvious shortcomings. The airbag layout is scattered, and the airbag gap is large, which cannot form overall protection when impacted, and the buffering effect is limited. For example, some airbag mobile phone cases only set airbags at the four corners or edges of the mobile phone, which is not comprehensive enough for the protection of the back and sides of the mobile phone. At the same time, the airbags of some airbag mobile phone cases are not firmly connected to the mobile phone case, and the airbags are easily separated from the mobile phone case when impacted, further reducing the protection effect.

[0005] Durability and cost are also shortcomings of the existing airbag mobile phone cases. The airbags of some airbag mobile phone cases are disposable and cannot be recycled after being inflated for use, increasing the cost of use. At the same time, the manufacturing process of some airbag mobile phone cases is complex, resulting in high production costs and high prices, limiting their market promotion.

[0006] In summary, the existing airbag mobile phone cases have many shortcomings in appearance, protection effect, and durability, limiting their further development and application. Therefore, a mobile phone case with airbags arranged comprehensively is needed to overcome the above problems and provide users with a more beautiful, practical, and reliable mobile phone protection solution.

[0007] CONTENT OF THE APPLICATION

[0008] This section is intended to summarize some aspects of the embodiments of the present application and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract and title of the specification to avoid obscuring the purpose of this section, the abstract and the title of the specification, and such simplifications or omissions are not used to limit the scope of the present application.

[0009] In view of the above and / or problems existing in the prior art, the present application is proposed.

[0010] Therefore, the first technical problem to be solved by the present application is that the air bag is exposed in the existing design, which affects the overall aesthetics of the mobile phone shell and is easily touched in daily use, affecting the use experience.

[0011] The second technical problem to be solved by the present application is that the air bag layout is scattered, there is a problem of large air bag gap, which cannot form overall protection when impacted, and the buffering effect is limited.

[0012] The present application provides the following technical solutions: a mobile phone shell with a comprehensive air bag arrangement, having a bottom plate and an inner lining, the bottom plate comprising a back plate and a side plate, the back plate having a camera opening, the side plate having a volume, a charging position and other functional openings, and the side plate being combined to form a mobile phone body accommodating opening.

[0013] The bottom plate and the inner lining are both made of plastic material, and the bottom plate and the inner lining can be connected together by a hot melt zone formed by high-frequency hot melting; the hot melt zone at the positions of the camera opening, the functional opening and the mobile phone body accommodating opening is a complete and uninterrupted hot melt zone.

[0014] Preferably, the hot melt zone at the positions of the camera opening, the functional opening and the mobile phone body accommodating opening is a complete and uninterrupted linear hot melt zone arranged along the opening position.

[0015] The inner lining material and the bottom plate material are placed in a hot melting device, which heats according to preset temperature and time parameters. During the heating process, the temperature needs to be accurately controlled within the melting temperature range of the material to ensure that the material can be fully softened without degradation or damage.

[0016] When the material is heated to an appropriate temperature, the inner lining material and the bottom plate material are quickly bonded together. During the bonding process, the air between the two layers of material is enclosed, forming an air layer. The bonding pressure and speed need to be accurately controlled to ensure the uniformity of the thickness and distribution of the air layer. Excessive pressure may cause excessive extrusion of the material, resulting in a thin or even disappearing air layer; insufficient pressure may result in loose connection of the material, causing air leakage or separation. The bonding speed is usually between 10 and 30 centimeters per minute, and the specific speed is adjusted according to the material characteristics and device performance.

[0017] After the fitting is completed, the material is placed in a cooling device for cooling and shaping. The cooling process needs to be rapid and uniform to ensure that the shape and position of the air layer are fixed. Generally, air cooling or water cooling is used, and the cooling time is usually between 10 to 30 seconds. After cooling, the inner lining material and the bottom plate material form a firm connection at the hot melt connection area, and the air layer is stably locked between the two layers of material, forming an air bag with cushioning function.

[0018] The bottom plate and the inner lining are connected by high-frequency hot melt, and the hot melt area at all opening positions is a complete and uninterrupted hot melt area. This structure ensures that the air bag will not leak or separate during use, improving the durability and reliability of the phone case.

[0019] In use, when the phone is impacted, the air layer can play a buffering and protective role. Specifically, when the phone falls or is impacted, the air in the air layer will be compressed, thereby absorbing and dispersing the impact force, reducing the direct impact on the phone.

[0020] As a preferred solution, the inner lining material is usually flexible and elastic, such as TPU thermoplastic polyurethane, to ensure a tight fit with the phone and a comfortable touch; further, the bottom plate material is mostly a hard material such as PC polycarbonate, providing necessary support and protection. Because during the impact, the impact force is transmitted from the bottom plate to the air layer, and then to the inner lining material, if the inner lining material is designed as a hard material, it cannot effectively absorb and disperse the impact force like a soft material, but will directly transmit part of the impact force to the phone. This may cause the phone to receive greater impact when falling, thereby increasing the risk of damage.

[0021] To limit the movement of the inner lining, preferably, a hot melt area is provided around the connection between the bottom and the side plate;

[0022] As one of the preferred solutions, the hot melt area is a complete and uninterrupted linear hot melt area around the connection between the bottom plate and the side plate;

[0023] As one of the preferred solutions, the hot melt area is an intermittent point-shaped hot melt area around the connection between the bottom plate and the side plate;

[0024] As one of the preferred solutions, the hot melt area is an uninterrupted linear hot melt area on both sides of the connection between the bottom plate and the side plate;

[0025] As one of the preferred solutions, the hot melt area is an intermittent point-shaped hot melt area on both sides of the connection between the bottom plate and the side plate;

[0026] As one of the preferred solutions, the hot melt area is an uninterrupted linear hot melt area on the upper and lower connections between the bottom plate and the side plate;

[0027] As one of the preferred solutions, the hot melting area is a discontinuous point hot melting area at the upper and lower connection of the bottom plate and the side plate;

[0028] Further, the reinforced hot melting structure adopts a composite connection mode. That is, a continuous and uninterrupted linear hot melting band is arranged in the area where the stress is expected to be large or where higher connection strength is required, so as to provide stronger connection fixation and tear resistance; and a discontinuous point hot melting point is arranged in the area where the stress is relatively small or is not a key support area. This composite mode not only effectively guarantees the connection reliability of the key area and avoids the risk of cracking caused by excessive stress concentration, but also saves materials, improves production efficiency and maintains the local deformation ability of the inner liner in the non-key area, which helps to exert the overall buffering performance of the air bag.

[0029] Further, in order to optimize the buffering performance of different areas, the thickness of the closed air cavity can be designed differently in the back plate area and the side plate area. For example, the central area of the back plate may bear greater drop impact, and the corresponding position of the air cavity can be designed to be relatively thick to provide stronger energy absorption capacity; and the side plate area may need to balance the grip feel and bending resistance, and the thickness of the air cavity can be relatively thin. At the same time, in order to realize independent control of different buffering requirement areas and prevent local failure caused by excessive flow of air in the air bag, the air cavities are physically separated by specific hot melting isolation bands. These isolation bands are formed by applying sufficient hot melting pressure and energy to the two layers of materials during the hot melting connection process in the preset non-air bag area, so that the two layers of materials are completely fused and bonded to form a solid barrier area.

[0030] The beneficial effects of the present application are as follows:

[0031] 1. Aesthetics improvement: By hiding the air bag between the bottom plate and the inner liner, the problem of air bag exposure affecting the aesthetics of the existing air bag phone case is solved, making the appearance of the phone case more neat and beautiful, meeting the user's requirements for the appearance of the phone case.

[0032] 2. Comprehensive protection: The air bag is arranged comprehensively inside the phone case, including the back plate and the side plate, ensuring that the entire surface of the phone can be effectively buffered and protected when the phone is impacted, avoiding the protection dead angle caused by the dispersed air bag layout, and improving the anti-falling performance of the phone.

[0033] 3. Stable connection structure: The bottom plate and the inner liner are connected by high-frequency hot melting, and the hot melting area at all opening positions is a complete and uninterrupted hot melting area, which ensures that the air bag will not leak or separate during use, improving the durability and reliability of the phone case.

[0034] 4. Material selection optimization: The inner lining material uses TPU with good flexibility and elasticity, and the bottom plate material uses hard PC. This combination not only ensures comfortable grip of the phone case, but also provides necessary support and protection. At the same time, when impacted, the inner lining material can effectively absorb and disperse impact force, reducing damage to the phone. BRIEF DESCRIPTION OF DRAWINGS

[0035] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor. Among them:

[0036] Figure 1 is a schematic diagram of the structure of the phone case of the present application embodiment 1;

[0037] Figure 2 is a schematic diagram of the overall structure of the phone case of the present application embodiment 1;

[0038] Figure 3 is a schematic diagram of the transverse planing structure of the phone case of the present application embodiment 1;

[0039] Figure 4 is a schematic diagram of the hot melting area and distribution of the phone case of the present application embodiment 1;

[0040] Figure 5 is a schematic diagram of the hot melting area distribution at the connecting part of the bottom plate and the side plate of the phone case of the present application embodiment 2;

[0041] Figure 6 is a schematic diagram of the hot melting area distribution at the connecting part of the bottom plate and the side plate of the phone case of the present application embodiment 3;

[0042] Figure 7 is a schematic diagram of the hot melting area distribution at the connecting part of the bottom plate and the side plate of the phone case of the present application embodiment 4;

[0043] Figure 8 is a schematic diagram of the hot melting area distribution at the connecting part of the bottom plate and the side plate of the phone case of the present application embodiment 5.

[0044] Among them: 1-bottom plate; 11-back plate; 111-camera opening; 12-side plate; 121-volume key opening; 122-charging port opening; 13-phone containing opening; 2-inner lining; 3-air layer; 4-camera opening edge, function opening edge and phone containing cavity edge hot melting area; 5-bottom plate and side plate connecting part hot melting area; 51-uninterrupted linear hot melting area; 52-discontinuous point hot melting area. DETAILED DESCRIPTION

[0045] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings of the specification.

[0046] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced without the specific details. In other instances, well-known methods, procedures, components, and circuits have not been described in detail so as not to unnecessarily obscure aspects of the present application.

[0047] Secondly, the present application is described in detail in conjunction with the schematic diagram. In the detailed description of the embodiments of the present application, the cross-sectional view of the device structure is partially enlarged without the general proportion for the convenience of illustration, and the schematic diagram is only an example which should not limit the scope of protection of the present application. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in actual production.

[0048] Thirdly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. "In one embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an embodiment that is separate or alternative to other embodiments.

[0049] Embodiment 1

[0050] A mobile phone case with a comprehensive air bag arrangement, the structure mainly includes a bottom plate 1 and an inner lining 2. The bottom plate 1 is composed of a back plate 11 and a side plate 12, the back plate 11 is provided with a camera opening 111, and the side plate 12 is provided with a volume key opening 121, a charging port opening 122 and other necessary openings. The side plate 12 is combined to form an opening 13 for accommodating the mobile phone. The bottom plate 1 and the inner lining 2 are made of plastic materials. Specifically, the material of the inner lining 2 is selected from TPU thermoplastic polyurethane with good flexibility and elasticity to ensure close fit and comfortable touch with the mobile phone; the material of the bottom plate 1 is selected from hard materials such as PC polycarbonate to provide necessary support and protection.

[0051] The bottom plate 1 and the inner lining 2 are connected together by high-frequency hot melt technology, and the air layer 3 is stably locked between the two layers of materials as an air bag structure. At all opening positions, such as the camera opening 111, the volume key opening 121, the charging port opening 122 and the like, complete and uninterrupted hot melt areas 4 are provided. These hot melt areas 4 are preferably complete and uninterrupted linear shapes arranged along the opening positions to ensure the structural strength and sealing performance of the opening.

[0052] In order to limit the movement of the inner lining 2 and enhance the overall stability of the mobile phone case, a hot melt area 5 is also provided around the connection between the bottom plate 1 and the side plate 12. Specifically, the hot melt area 5 is a complete and uninterrupted linear hot melt area around the connection between the bottom plate 1 and the side plate 12, which can not only ensure the firmness of the connection, but also maintain the overall appearance of the mobile phone case.

[0053] Embodiment 2

[0054] This embodiment is basically the same as Example 1, with the difference being in the design of the hot melt area 5 at the junction of the bottom plate 1 and the side plate 12. In this embodiment, in order to increase flexibility while ensuring connection strength, the hot melt area 5 is designed as a discontinuous point-shaped hot melt area around the junction of the bottom plate 1 and the side plate 12. This design can provide sufficient connection strength at the key position, and to some extent, allow the inner liner 2 material to deform slightly when impacted, thereby better absorbing and dispersing the impact force.

[0055] Example 3

[0056] This embodiment is also based on the basic structure of Example 1, with the main difference being in the specific arrangement of the hot melt area 5 at the junction of the bottom plate 1 and the side plate 12. Considering the stress situation of the phone case in actual use, this embodiment designs the hot melt area 5 as an uninterrupted linear hot melt area at the junction of the bottom plate 1 and the side plate 12 on both sides. This design can more effectively limit the movement of the inner liner 2 material under lateral impact, improving the protection capability of the phone case to the side of the phone.

[0057] Example 4

[0058] This embodiment is based on Example 1, and another innovative design of the hot melt area 5 at the junction of the bottom plate 1 and the side plate 12 is made. Specifically, the hot melt area 5 is set as an uninterrupted linear hot melt area at the upper and lower junctions of the bottom plate 1 and the side plate 12. This design can enhance the structural strength of the phone case in the vertical direction, especially when the phone falls, it can effectively prevent the inner liner 2 material from separating from the bottom plate 1, thereby ensuring the integrity of the airbag structure and improving the buffering and protection effect of the phone case.

[0059] Example 5

[0060] This embodiment combines the advantages of the previous embodiments and proposes a more flexible and comprehensive hot melt area 5 design scheme. Specifically, the junction between the bottom plate 1 and the side plate 12 is surrounded by both an uninterrupted linear hot melt area 51 and a discontinuous point-shaped hot melt area 52. The linear hot melt area 51 is mainly arranged at the key stress position of the junction to ensure the connection strength, while the point-shaped hot melt area 52 is arranged at a relatively secondary position to increase flexibility. This composite hot melt area 5 design not only ensures the overall stability of the phone case, but also improves its buffering and protection capability when impacted.

[0061] It is important to note that the construction of the application shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications can be made to the embodiments without now departing from the spirit and scope of the application, for example, variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters, mounting arrangements, use of materials, colors, orientations, locations, and the like can be made and still be encompassed within the disclosed application. For example, the elements as shown in the various example embodiments can be formed from a variety of materials, for example, the elements can be formed from metal, plastic, glass, ceramic, stone, etc. or combinations thereof. Also, the elements can be formed in any shape or a combination of shapes, for example, the elements can be formed in a shape that is not entirely rectangular, square, circular, etc. or combinations thereof. For example, elements shown as being integrally formed can be constructed from multiple parts or elements, the positions of elements can be reversed or otherwise changed, and the nature or number of elements can be modified or changed. Accordingly, all such modifications are intended to be included within the scope of the present application. The order or sequence of any process or method steps can be changed or re-sequenced without departing from the scope of the application. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating conditions, and arrangement of the exemplary embodiments without departing from the scope of the present application. Accordingly, the present application is not limited to the particular embodiments described and illustrated herein, but extends to equivalents of which the skilled in the art has knowledge of based on this disclosure.

[0062] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of an actual implementation can be described nor can as- pects that would be readily apparent to one skilled in the art with the benefit of this disclosure can be described in detail.

[0063] It is to be understood that the development of the exemplary embodiments can not be limited to the specific implementation described herein. One of ordinary skill in the art will recognize that the development of the exemplary embodiments can include numerous implementations, modifications, and permutations of the various features and aspects described herein.

[0064] It should be noted that the above examples are merely used to illustrate the technical solutions of the present application but not to limit the present application, and although the present application is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the present application, and all should be included in the scope of the claims of the present application.

Claims

1. A mobile phone case with overall arrangement of air bags, characterized by, The application relates to a mobile phone case with a comprehensive air bag arrangement. The bottom plate is composed of a back plate and a side plate, the back plate is provided with a camera position opening, and the side plate is provided with a functional opening and encloses a mobile phone accommodating cavity; The bottom plate and the inner lining are both plastic materials; The bottom plate and the inner lining are connected through hot melting at a connecting interface to form at least one closed air cavity; The connecting interface of the bottom plate and the inner lining is provided with a complete and uninterrupted hot melting sealing area at the edges of the camera position opening, the functional opening and the mobile phone accommodating cavity.

2. The phone case with airbag according to claim 1, wherein, The hot melting sealing area is in a continuous linear structure at the edges of the camera position opening, the functional opening and the mobile phone accommodating cavity.

3. The cell phone case with airbag according to claim 1, wherein, The connecting part of the side plate and the back plate is provided with a reinforced hot melting structure, and the reinforced hot melting structure is selected from one or a combination of the following forms: A continuous linear hot melting area is distributed along the connecting part in a circumferential direction; Discrete point-shaped hot melting areas are distributed along the connecting part in an interval mode; Linear or intermittent hot melting bands are arranged on both sides of the connecting part; Linear or intermittent hot melting areas are arranged on the upper and lower ends of the connecting part.

4. The phone case with airbag according to claim 3, wherein, The reinforced hot melting structure comprises a composite connecting mode, in which linear hot melting bands are arranged in stress areas, and point-shaped hot melting points are arranged in non-stress areas.

5. The cell phone case with airbag according to claim 1, wherein, The inner lining is made of a flexible plastic material, and the bottom plate is made of a rigid plastic material.

6. The cell phone case with airbag according to claim 3, wherein, The thickness of the closed air cavity is differentially distributed in the back plate and the side plate area, and the air cavities are separated through hot melting isolation bands.

7. The mobile phone case with a comprehensive air bag arrangement according to claim 1, wherein the inner lining is made of a TPU material, and the bottom plate is made of a PC material.

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