Replaceable cell phone case device
By designing a replaceable phone case device, including a base plate and decorative pieces, the problems of waste from replacing the entire case and missed calls are solved, enabling convenient replacement and accurate answering, and reducing usage costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- MGY IND (SHENZHEN) CO LTD
- Filing Date
- 2025-07-16
- Publication Date
- 2026-07-03
AI Technical Summary
Existing phone cases require replacing the entire case, leading to waste and increased costs. Furthermore, calls are easily missed in noisy environments or when wearing gloves, and it is difficult to accurately tap the answer icon when hands are sweaty or wet.
Design a replaceable mobile phone case device, comprising a mobile phone case, a base plate and a decorative piece. The base plate is equipped with an incoming call answer button and an indicator light. It can be connected by magnetic attraction, adhesive or snap-fit to achieve convenient replacement and convenient answering of calls.
It reduces replacement costs, improves the timeliness, convenience, and accuracy of answering calls, and adapts to different environments and glove wearing conditions.
Smart Images

Figure CN224459863U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of mobile phone terminal accessories technology, and in particular to a replaceable mobile phone protective case device. Background Technology
[0002] Phone cases are decorative items used to protect or decorate mobile phones. Currently, when mobile phone users change the style of their phone cases, they usually have to replace the entire phone case, resulting in waste and increased usage costs.
[0003] When using a mobile phone in noisy environments (such as markets or construction sites), it is easy to miss calls. In addition, mobile phone users usually set their phones to silent mode in quiet environments (such as libraries), which also makes it easy to miss calls.
[0004] Furthermore, with the widespread use of smartphones, more and more phones are eliminating physical buttons, and calls are answered by swiping or tapping the call answer button displayed on the phone screen. When phone users have sweat or water on their hands, the sensitivity of their fingers touching the phone screen is greatly affected, making it difficult to accurately tap the answer icon on the phone screen.
[0005] In addition, in cold winter climates or in the fishing industry, mobile phone users often wear gloves. When a call comes in, it is not easy for them to accurately tap the answer icon on the phone screen, making it easy to miss the call. Utility Model Content
[0006] The technical problem to be solved by this utility model is to provide a replaceable mobile phone protective case device.
[0007] The technical solution adopted by this utility model to solve its technical problem is: to construct a replaceable mobile phone protective case device, including a mobile phone protective case, a base plate and a decorative piece, wherein the mobile phone protective case has a receiving cavity adapted to the shape of the mobile phone;
[0008] The substrate and the decorative piece are combined to form an assembly, which is detachably installed in the receiving cavity;
[0009] The substrate is provided with a control circuit board for communication with a mobile phone, and the substrate is also provided with a call answer button and an alert light connected to the control circuit board.
[0010] In some embodiments, the decorative piece is connected to the substrate by adhesive bonding, snap-fit connection, and / or magnetic attraction.
[0011] In some embodiments, the phone case includes a main body and a side portion connected to the periphery of the main body, the main body and the side portion defining the receiving cavity;
[0012] The main body is provided with a first magnetic attraction element;
[0013] The substrate is provided with a second magnetic member that magnetically attracts the first magnetic member.
[0014] In some embodiments, the phone case includes a frame, the inner cavity of which forms the receiving cavity; the assembly is connected to the frame.
[0015] In some embodiments, the incoming call answer button is located in the middle of the substrate.
[0016] In some embodiments, the substrate has a first surface and a second surface disposed opposite to each other, and the incoming call answer button is located at the center of the first surface of the substrate; the reminder light source is located on the first surface of the substrate, and the reminder light source is located around the periphery of the incoming call answer button;
[0017] The decorative piece is bonded to the first surface of the substrate.
[0018] In some embodiments, a first groove is provided in the middle of the first surface of the substrate, and the incoming call answer button is disposed in the first groove;
[0019] And / or, a second groove is provided in the middle of the first surface of the substrate, and the reminder light source is disposed in the second groove.
[0020] In some embodiments, the control circuit board is provided with a processor and a communication module, and the processor communicates with the mobile phone through the communication module.
[0021] In some embodiments, the substrate is further provided with a charging module connected to the processor;
[0022] The charging module includes a wireless charging coil and / or charging terminals.
[0023] In some embodiments, the substrate is further provided with a battery connected to the processor.
[0024] The present invention has the following advantages: by using this replaceable mobile phone case device, only the decorative piece and / or base plate need to be replaced according to the needs, without replacing the entire mobile phone case, which effectively reduces the cost of use for mobile phone users. In addition, the replaceable mobile phone case device is equipped with a call answer button and a reminder light source, which can effectively improve the timeliness, convenience and accuracy of answering calls. Attached Figure Description
[0025] To more clearly illustrate the technical solution of this utility model, the present utility model will be further described below in conjunction with the accompanying drawings and embodiments. It should be understood that the following drawings only show some embodiments of this utility model and should not be considered as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort. In the drawings:
[0026] Figure 1 This is a structural schematic diagram of the replaceable mobile phone protective case device in some embodiments of this utility model;
[0027] Figure 2 This is a schematic diagram of the structure of the decorative piece in some embodiments of this utility model;
[0028] Figure 3 This is a schematic diagram of the structure of the decorative piece in some other embodiments of this utility model;
[0029] Figure 4 This is a schematic diagram of the structure of the decorative piece in some other embodiments of this utility model;
[0030] Figure 5 This is a schematic diagram illustrating the cooperation between the mobile phone protective case, the substrate, and the decorative piece in other embodiments of this utility model;
[0031] Figure 6 This is a schematic block diagram of the substrate in some embodiments of this utility model;
[0032] Figure 7 This is an application circuit diagram of the processor in some embodiments of this utility model;
[0033] Figure 8 This is an application circuit diagram of the call answering button in some embodiments of this utility model;
[0034] Figure 9 This is an application circuit diagram of the charging terminal in some embodiments of this utility model;
[0035] Figure 10 This is an application circuit diagram of wireless charging in some embodiments of this utility model. Detailed Implementation
[0036] To provide a clearer understanding of the technical features, objectives, and effects of this utility model, the specific embodiments of this utility model are now described in detail with reference to the accompanying drawings. In the following description, it should be understood that the orientations or positional relationships indicated by terms such as "front," "rear," "upper," "lower," "left," "right," "longitudinal," "horizontal," "vertical," "horizontal," "top," "bottom," "inner," "outer," "head," and "tail" are based on the orientations or positional relationships shown in the accompanying drawings, and are constructed and operated in a specific orientation. They are only for the convenience of describing this technical solution and do not indicate that the device or component referred to must have a specific orientation; therefore, they should not be construed as limitations on this utility model.
[0037] It should also be noted that, unless otherwise explicitly specified and limited, terms such as "installation," "connection," "joining," "fixing," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. When an component is referred to as being "on" or "below" another component, the component can be located "directly" or "indirectly" on the other component, or there may be one or more intermediary components. The terms "first," "second," "third," etc., are only for the convenience of describing this technical solution and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, features defined with "first," "second," "third," etc., may explicitly or implicitly include one or more of that feature. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.
[0038] In the following description, specific details such as particular system structures and techniques are set forth for illustrative purposes and not for limitation, in order to provide a thorough understanding of the embodiments of the present invention. However, those skilled in the art will understand that the present invention can be implemented in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, apparatuses, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
[0039] See Figures 1 to 6 This utility model discloses a replaceable mobile phone protective case device, including a mobile phone protective case 10, a substrate 20 and a decorative piece 30. The mobile phone protective case 10 has a receiving cavity adapted to the shape of the mobile phone.
[0040] The substrate 20 and the decorative piece 30 are combined to form an assembly, which is detachably installed in the receiving cavity.
[0041] The substrate 20 is provided with a control circuit board 21 for communication with a mobile phone. The substrate 20 is also provided with a call answer button 22 and an alert light source 23 connected to the control circuit board 21.
[0042] The incoming call answer button 22 can be used to answer or hang up incoming calls on the mobile phone. For example, pressing the incoming call answer button 22 once will answer the call, and pressing it multiple times will hang up the call. The indicator light 23 can alert the mobile phone to incoming calls. The mobile phone includes, but is not limited to, iOS system mobile phones or Android smartphones.
[0043] Understandably, by using this replaceable phone case device, only the decorative piece and / or the substrate need to be replaced according to the needs. For example, only the decorative piece 30 or the substrate 20 needs to be replaced separately, without replacing the entire phone case, which effectively reduces the cost of use for mobile phone users. In addition, the replaceable phone case device is equipped with a call answer button 22 and an alert light 23, which can effectively improve the timeliness, convenience and accuracy of answering calls.
[0044] In some embodiments, the phone case 10 can be made of PC material. PC material phone cases 10 have good light transmittance, high hardness, drop resistance, thinness, and good strength and toughness. Alternatively, the phone case 10 can be made of TPU material. TPU material has excellent resilience, does not deform, has good low-temperature resistance, is non-toxic and odorless, is environmentally friendly, has good color matching, excellent adhesion, low viscosity, good flexural strength, excellent wear resistance, high gloss, and excellent weather resistance, among other advantages. Of course, the phone case 10 can also be made of silicone material. Silicone material has excellent resilience, good low-temperature resistance, a comfortable and smooth touch, is non-toxic and odorless, is top-grade environmentally friendly, and has good color matching; commonly used materials have a hardness of 60A to 80A. Of course, the phone case 10 can also be made of other materials or composite materials according to actual needs; no specific limitations are made here.
[0045] In some embodiments, the phone case 10 includes a main body 11 and a side portion 12 connected to the periphery of the main body 11. The main body 11 and the side portion 12 define a receiving cavity. Further, as... Figure 1As shown, the side portion 12 may include a first side portion 121, a second side portion 122, a third side portion 123, and a fourth side portion 124 connected in sequence. The first side portion 121 and the third side portion 123 are generally opposite to each other, and the second side portion 122 and the fourth side portion 124 are generally opposite to each other. The first side portion 122 contacts the top of the phone, and the third side portion 123 contacts the bottom of the phone. The second side portion 122 may have a phone volume button protection structure, the third side portion 123 may have a phone microphone protection structure and a phone terminal block through hole, and the fourth side portion 124 may have a phone power button protection structure. The main body portion 11 may also have a camera hole 14. The shape of the substrate 20 and the decorative piece 30 is the same as the structural shape of the main body portion 11 except for the camera hole 14. Of course, the decorative piece 30 may also be a rectangular structure, that is, the shape and size of the decorative piece 30 may be smaller than the shape and size of the main body portion 11. In some embodiments, such as Figure 3 and Figure 4 As shown, the decorative piece 30 has the same or similar shape as the mobile phone case 10. Specifically, the decorative piece 30 has the same or similar shape as the main body 11 of the mobile phone case 10, and the decorative piece 30 may be provided with a mounting hole. The mounting hole has the same or similar shape as the camera hole 14. Preferably, the size of the mounting hole may be slightly larger than the size of the camera hole 14. Of course, the structural shape of the decorative piece 30 can also be selected and set according to actual needs, and no specific limitation is made here.
[0046] In some embodiments, the decorative sheet 30 may be made of PVC or PC material. Alternatively, it may be made of other translucent materials. Further, the decorative sheet 30 may be manufactured using stamping or CNC machining. The thickness of the decorative sheet 30 is approximately 0.1 mm to 0.4 mm, preferably 0.3 mm. Further, the decorative sheet 30 may have various patterns, including but not limited to plant patterns, animal patterns, text patterns, or cartoon patterns. Plant patterns may include, but are not limited to, lotus patterns, chrysanthemum patterns, grass patterns, and / or small tree patterns. Animal patterns may include, but are not limited to, the twelve Chinese zodiac animals. Text patterns may include, but are not limited to, patterns of poems or auspicious phrases, such as "Good things happen" or "Good fortune abounds." Cartoon patterns may include, but are not limited to, original cartoon characters. The patterns may be formed on the decorative sheet 30 by printing or engraving.
[0047] In some embodiments, the decorative piece 30 is connected to the substrate 20 by adhesive bonding, snap-fit connection, and / or magnetic attraction. For example, as... Figure 2As shown, the decorative piece 30 is connected to the substrate 20 by an adhesive bonding method. The periphery of the surface of the decorative piece 30 that is in contact with the substrate 20 is provided with adhesive 40 (such as 3M adhesive), so that the decorative piece 30 can be bonded to the substrate 20. In addition, the adhesive 40 can be continuously set or set in multiple segments with intervals, which is not specifically limited here.
[0048] In some embodiments, the decorative piece 30 is connected to the substrate 20 by a snap-fit connection. For example, the decorative piece 30 has several snaps on its surface facing the substrate 20, and the substrate 20 has several slots, allowing them to be snap-fitted together. Since the thickness of the substrate 20 is slightly greater than the thickness of the decorative piece 30, providing slots on the substrate 20 ensures that the thickness of the decorative piece 30 and the substrate 20 does not increase after they are assembled together.
[0049] In some embodiments, the decorative piece 30 is connected to the substrate 20 by magnetic attraction, wherein the main body 11 is provided with a first magnetic member 13, which may be located at the middle of the main body 11. The substrate 20 is provided with a second magnetic member that is magnetically attracted to the first magnetic member 13.
[0050] Of course, in some embodiments, the decorative piece 30 is provided with a third magnetic element (such as...) that magnetically attracts the first magnetic element 13 and / or the second magnetic element. Figure 4 (As shown). When the substrate 20 is provided with a second magnetic attractor and the decorative piece 30 is provided with a third magnetic attractor, the two can be magnetically fixed together. Both the second and third magnetic attractors can be several flat magnetic sheets. Of course, if the substrate 20 is provided with a second magnetic attractor, the decorative piece 30 may not be provided with a third magnetic attractor. The decorative piece 30 is disposed between the main body 11 and the substrate 20. When the first magnetic attractor 13 and the second magnetic attractor are magnetically fixed together, the decorative piece 30 can be effectively fixed.
[0051] like Figure 5 As shown, in some embodiments, the phone case 10 includes a frame, which is generally rectangular and annular in shape. The inner cavity of the frame forms a receiving cavity, and the assembly is connected to the frame. For example, the periphery of the substrate 20 can be snapped to the inner sidewall of the frame. Preferably, a limiting portion is provided on one side of the frame, so that when the assembly is installed in the receiving cavity, the limiting portion can limit the periphery of the assembly, so that the assembly is stably installed in the receiving cavity.
[0052] like Figure 1 As shown, in some embodiments, the incoming call answer button 22 is located in the middle of the substrate 20, so that when the mobile phone user needs to answer a call, his finger, such as his index finger, can easily touch the incoming call answer button 22, thus improving the ease of operation.
[0053] Furthermore, the substrate 20 has a first surface and a second surface disposed opposite to each other, and the incoming call answer button 22 is disposed in the middle of the first surface of the substrate 20. In some embodiments, the reminder light source 23 is disposed in the middle of the first surface of the substrate 20 and is disposed around the incoming call answer button 22. The decorative piece 30 is combined with the first surface of the substrate 20, so that the mobile phone user can reduce the travel of pressing the incoming call answer button 22, making it easier to press the incoming call answer button 22 in time to answer the call, and avoiding direct contact between the incoming call answer button 22 and the back of the mobile phone, avoiding wear on the back of the mobile phone and the incoming call answer button 22, thereby improving the service life of the incoming call answer button 22.
[0054] In some embodiments, a first groove 20a is provided in the middle of the first surface of the substrate 20, and the incoming call answer button 22 is disposed in the first groove 20a; and / or, a second groove 20b is provided in the middle of the first surface of the substrate 20, and the reminder light source 23 is disposed in the second groove 20b.
[0055] Preferably, a first groove 20a is provided in the middle of the first surface of the substrate 20, and the incoming call answer button 22 is disposed in the first groove 20a. The first groove 20a can be a circular groove. The placement of the incoming call answer button 22 in the first groove 20a makes the overall structure of the substrate 20 relatively flat and does not increase the overall thickness of the substrate 20. Furthermore, the placement of the incoming call answer button 22 in the first groove 20a allows the mobile phone user's finger to more easily locate the button, improving the user experience.
[0056] like Figure 1 As shown, in some embodiments, the reminder light source 23 is located at the center of the first surface of the substrate 20, and the reminder light source 23 is located around the call answer button 22, for example, the reminder light source 23 is located at the center of the first surface of the substrate 20, and the reminder light source 23 is located on the left, right, top, and / or bottom side of the call answer button 22. When the mobile phone receives a call, the reminder light source 23 can flash at a certain frequency, for example, gradually brightening, then gradually dimming, and then gradually brightening again, achieving the effect of a breathing light. Alternatively, the reminder light source 23 can also change different colors, for example, changing to red, then green, and then blue, to remind the mobile phone user. The reminder light source 23 can be an LED light source, for example, a surface-mount LED light source. The shape of the reminder light source 23 can be arc-shaped, circular, square, or other shapes. There can be one or more reminder light sources 23. When two reminder light sources 23 are provided, they can be symmetrically arranged on both sides of the call answer button 22. Of course, the structure, location, and number of the reminder light source 23 can be selected and set according to actual needs, and no specific limitations are made here.
[0057] Preferably, a second groove 20b is provided in the middle of the first surface of the substrate 20, and the reminder light source 23 is disposed in the second groove 20b, making the first surface of the substrate 20 flatter. The shape of the second groove 20b can be adapted to the shape of the reminder light source 23.
[0058] In some embodiments, the control circuit board 21 is provided with a processor 211 and a communication module 212, and the processor 211 communicates with the mobile phone through the communication module 212. The processor 211 includes, but is not limited to, a microprocessor, microcontroller, digital signal processor, field-programmable gate array, logic circuit, analog circuit, digital circuit, and / or any device based on operation instructions operating signals (analog and / or digital). It can adopt mature control schemes such as commercially available main control MCUs, or be improved or innovatively designed according to requirements, which will not be detailed here. The communication module 212 may include, but is not limited to, a Bluetooth module or a WIFI module. Preferably, the communication module 212 may be a Bluetooth module, and the processor 211 can connect to the smartphone through the HFP, HSP, and ANCS protocols of the Bluetooth stack.
[0059] In some embodiments, the control circuit board 21 may be a flexible circuit board. The substrate 20 may be an FR4 board.
[0060] In some embodiments, the substrate 20 is further provided with a charging module 24 connected to the processor 211; the charging module 24 includes a wireless charging coil 241 and / or a charging terminal 242, which may be, but is not limited to, a type-C terminal.
[0061] The control circuit board 21 can draw power from the mobile phone via the wireless charging coil 241, or it can draw power from an external source (such as a power bank) via the charging terminal 242 through a charging cable, or it can connect to the mobile phone via the charging terminal 242 through a charging cable. The control circuit board 21 may be equipped with a charging and discharging circuit, which can be selected from existing technologies and will not be described in detail here.
[0062] Furthermore, the charging terminal 242 may be located near the first side portion 122. Preferably, the first side portion 121 may have an opening so that the charging terminal 242 is exposed therein, so as to connect the charging cable.
[0063] In some embodiments, the substrate 20 may also be provided with a battery 25 connected to the processor 211. The rechargeable battery may be a thin-film battery of the prior art, and no specific limitation is made here.
[0064] Preferably, the processor 211 can be an IP55613021 chip, and the call answer button 22 can be a YTS331LHS tactile switch.
[0065] Understandably, the processor 211, communication module 212, call answer button 22, reminder light source 23, charging module 24, and battery 25 mentioned above can all be purchased on the market.
[0066] Furthermore, such as Figure 7 The diagram shown is an application circuit diagram of processor 211. Figure 8 The diagram shown is an application circuit diagram of the call answer button 22. Figure 9 The diagram shown is an application circuit diagram for charging terminal 242 (such as a Type-C terminal). Figure 10 The diagram shown is an application circuit diagram for wireless charging. Those skilled in the art can implement this invention based on the above circuit diagram, and further details will not be provided here.
[0067] The replaceable phone case is used as follows: When the replaceable phone case is put on the phone, when a call comes in, the phone can connect to the communication module 212 of the replaceable phone case. The communication module 212 transmits a signal to the processor 211, and the reminder light 23 reminds the phone user of the incoming call. The user can answer or hang up the call by pressing the call answer button 22.
[0068] The application of this replaceable mobile phone case device overcomes the technical problems in the prior art where users are prone to missing calls due to hearing interference in noisy environments (such as markets or construction sites) and when the phone is set to silent mode.
[0069] The inclusion of the incoming call answer button 22 addresses the existing technical problems of smartphones where the sensitivity of the touchscreen is greatly affected by the user's sweaty or wet hands, and where users cannot answer calls promptly in cold weather due to the sensitivity being greatly affected by wearing gloves.
[0070] It is understood that the above embodiments only illustrate preferred embodiments of the present utility model, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the present utility model patent. It should be noted that for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present utility model, all of which fall within the protection scope of the present utility model. Therefore, all equivalent transformations and modifications made within the scope of the claims of the present utility model should fall within the coverage of the claims of the present utility model.
Claims
1. A replaceable handset protective case device, characterized by, The device includes a mobile phone case (10), a substrate (20), and a decorative piece (30), wherein the mobile phone case (10) has a receiving cavity adapted to the shape of the mobile phone; The substrate (20) and the decorative piece (30) are combined to form an assembly, which is detachably installed in the receiving cavity; The substrate (20) is provided with a control circuit board (21) for communication with a mobile phone. The substrate (20) is also provided with a call answer button (22) and an alert light source (23) connected to the control circuit board (21).
2. The replaceable handset case device of claim 1, wherein, The decorative piece (30) is connected to the substrate (20) by adhesive bonding, snap-fit connection and / or magnetic attraction.
3. The replaceable handset case device of claim 1, wherein, The mobile phone protective case (10) includes a main body (11) and a side part (12) connected to the periphery of the main body (11), wherein the main body (11) and the side part (12) define the receiving cavity; The main body (11) is provided with a first magnetic suction element (13); The substrate (20) is provided with a second magnetic member that is magnetically attracted to the first magnetic member (13).
4. The replaceable handset case device of claim 1, wherein, The mobile phone case (10) includes a frame, the inner cavity of which forms the receiving cavity; the assembly is connected to the frame.
5. The replaceable handset case device of claim 1, wherein, The incoming call answer button (22) is located in the middle of the substrate (20).
6. The replaceable handset case device of claim 1, wherein, The substrate (20) has a first surface and a second surface arranged opposite to each other. The incoming call answer button (22) is located in the middle of the first surface of the substrate (20). The reminder light source (23) is located on the first surface of the substrate (20) and is located around the incoming call answer button (22). The decorative piece (30) is bonded to the first surface of the substrate (20).
7. The replaceable handset case device of claim 6, wherein, A first groove (20a) is provided in the middle of the first surface of the substrate (20), and the incoming call answer button (22) is provided in the first groove (20a); And / or, a second groove (20b) is provided in the middle of the first surface of the substrate (20), and the reminder light source (23) is disposed in the second groove (20b).
8. The replaceable mobile phone case device according to claim 1, characterized in that, The control circuit board (21) is equipped with a processor (211) and a communication module (212), and the processor (211) communicates with the mobile phone through the communication module (212).
9. The replaceable handset case device of claim 8, wherein, The substrate (20) is also provided with a charging module (24) connected to the processor (211); The charging module (24) includes a wireless charging coil (241) and / or a charging terminal (242).
10. The replaceable handset case device of claim 8 or 9, wherein, The substrate (20) is also provided with a battery (25) connected to the processor (211).