Ultra-thin mobile phone back magnetic earphone box

Abstract

The utility model discloses a kind of ultra-thin mobile phone back magnetic attraction type earphone box, including charging box, the charging box top opening is equipped with box cover, the box cover is connected with charging box by pin shaft, the side of the charging box not articulated with box cover is equipped with first magnetic attraction body, the position of the box cover corresponding first magnetic attraction body is equipped with magnetic attraction groove, the inside of the magnetic attraction groove is equipped with second magnetic attraction body;The bottom surface of the charging box is equipped with magnetic attraction ring, the inside of the charging box is equipped with earphone body.The utility model is equipped with magnetic attraction ring by being arranged at the bottom surface of charging box, magnetic attraction ring can be adsorbed in the back of mobile phone, also can be adsorbed in the back of mobile phone shell with magnetic attraction function, so it is convenient to carry earphone, it is convenient to use earphone;While articulating between charging box and box cover simultaneously cooperate first magnetic attraction body and magnetic attraction groove to adsorb, so it can ensure that box cover cannot be easily opened, avoid the problem of earphone loss in charging box inside.

Description

Technical Field

[0001] This utility model relates to the field of headphone technology, specifically to an ultra-thin magnetic headphone case for mobile phones. Background Technology

[0002] As smartphones become thinner and more streamlined, users are demanding greater portability and compatibility from their audio devices. Wireless Bluetooth headphones eliminate the hassle of cables, but to ensure battery life, they typically require a separate charging case. The size of the charging case increases the burden of carrying them, and users are prone to losing the headphones after separating them from the case. Furthermore, existing wireless Bluetooth headphones are often quite thick, making them inconvenient to carry.

[0003] The utility model patent with announcement number CN214014486U discloses a magnetically attached TWS earphone, which includes a charging case front shell, an earphone body, a charging case middle shell, and a charging case bottom shell; the earphone body includes an earphone back cover and an earphone front cover, with the earphone back cover mounted on the earphone front cover; the charging case middle shell is mounted on top of the charging case bottom shell, and the charging case front shell is mounted on the charging case bottom shell.

[0004] The magnetic side-attach TWS earbuds provided by the aforementioned patent have the advantages of being ultra-thin without affecting the overall performance of the earbuds. However, these ultra-thin earbuds cannot be magnetically attached to the back of a phone, and the charging case lid is relatively easy to open, which can easily lead to the loss of the Bluetooth earbuds. Utility Model Content

[0005] The purpose of this utility model is to provide an ultra-thin magnetic earphone case for mobile phones, which aims to improve the problem that existing ultra-thin earphones cannot be attached to the back of the phone and the charging case lid is easy to open, which can easily cause the Bluetooth earphone body to be lost.

[0006] This utility model is implemented as follows: An ultra-thin magnetic earphone case for mobile phones includes a charging case, a lid at the top opening of the charging case, the lid being connected to the charging case by a pin, a first magnetic element on the side of the charging case not hinged to the lid, a magnetic groove on the lid corresponding to the first magnetic element, a second magnetic element inside the magnetic groove, a magnetic ring on the bottom surface of the charging case, and an earphone body inside the charging case.

[0007] Preferably, the magnetic ring is wrapped with a shielding layer, which is selected from copper shielding layer, aluminum shielding layer or permalloy shielding layer, the thickness of the shielding layer is ≤0.2mm, and the magnetic attraction force of the magnetic ring to the back of the mobile phone is ≥5N.

[0008] Preferably, the charging case has an indicator light on its outer side and a charging slot on its side for charging the entire earphone.

[0009] Preferably, the charging box has a charging compartment inside, and the charging compartment has a charging copper pillar inside.

[0010] Preferably, the top two sides of the back of the charging case are symmetrically provided with adapters, and the adapters are provided with adapter holes in the middle.

[0011] Preferably, the cover is provided with an adapter post between the two adapters, and the adapter post has a shaft hole in the middle. The adapter post is inserted between the two adapters, and the shaft hole is aligned with the adapter hole.

[0012] Preferably, the lid of the case has a groove facing the charging compartment, which is used to press against the top of the earphone body.

[0013] Preferably, the earphone body is provided with a sound playback section, and the sound playback section and the earphone body are connected by an elastic connecting rod; the earphone body is provided with a charging contact at the position aligned with the charging copper post; the bottom of the earphone body is magnetically connected to the charging case to ensure stable contact between the charging contact of the earphone body and the charging copper post, thereby achieving stable charging.

[0014] Preferably, the sound-emitting part is provided with a sound-amplifying hole, and the sound-amplifying hole is covered with a dustproof net, which is selected from stainless steel dustproof net, nylon dustproof net or polyester fiber dustproof net.

[0015] Preferably, the outer surfaces of the charging case and the lid are coated with an anti-slip coating, which is a polytetrafluoroethylene coating or a silicon-based coating, and the coefficient of friction of the anti-slip coating is ≤0.15.

[0016] Compared with the prior art, the beneficial effects of this utility model are: 1. This utility model features a magnetic ring on the bottom of the charging case. The magnetic ring can be attached to the back of a mobile phone or the back of a mobile phone case with magnetic function, making it convenient to carry and use the earphones. At the same time, the charging case and the lid are hinged together and work together with the first magnetic body and magnetic groove to ensure that the lid cannot be easily opened from the back, thus avoiding the problem of losing the earphones inside the charging case.

[0017] 2. The outer surface of the charging box and lid of this utility model is provided with a polytetrafluoroethylene anti-slip coating with a friction coefficient ≤0.15 to prevent slippage during adsorption. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a structural schematic diagram of the charging box of this utility model from a front-view angle; Figure 3This is a structural schematic diagram of the charging box of this utility model from a rear-end tilted angle. Figure 4 This is a schematic diagram of the structure of the box lid of this utility model; Figure 5 This is a structural schematic diagram of the headphone body of this utility model.

[0019] In the diagram: 1. Charging case; 11. Indicator light; 12. Charging slot; 13. First magnetic clasp; 14. Charging compartment; 15. Adapter; 16. Adapter hole; 17. Charging copper post; 18. Magnetic ring; 2. Case cover; 21. Magnetic groove; 22. Pressing groove; 23. Adapter post; 24. Shaft hole; 3. Pin; 4. Earphone body; 41. Charging contact; 42. Flexible connecting rod; 43. Sound output section; 44. Amplification hole. Detailed Implementation

[0020] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., 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. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0021] The following description, in conjunction with the accompanying drawings and specific embodiments, provides further details: Example 1 like Figure 1 , Figure 3 and Figure 4 As shown, an ultra-thin magnetic earphone case for mobile phones includes a charging case 1. A lid 2 is located at the top opening of the charging case 1, and the lid 2 is connected to the charging case 1 by a pin 3, facilitating the flipping of the lid 2 to seal the top opening of the charging case 1. A first magnetic element 13 is located on the side of the charging case 1 not hinged to the lid 2. A magnetic groove 21 is located on the lid 2 corresponding to the first magnetic element 13, and a second magnetic element is located inside the magnetic groove 21. The cooperation between the second magnetic element and the first magnetic element 13 facilitates the attachment of the lid 2, sealing the top opening of the charging case 1. The first magnetic element 13 and the second magnetic element are configured as mutually attracting magnets or strong magnets. A magnetic ring 18 is located on the bottom surface of the charging case 1, which facilitates the connection with mobile phones that have magnetic charging capabilities, allowing the entire charging case 1 to fit snugly against the back of the phone. An earphone body 4 is located inside the charging case 1, facilitating wireless connection and use with the mobile phone. The charging case 1 contains a micro lithium battery with a capacity of ≥100mAh, located at the bottom of the charging case 1. The outer shell of the charging case 1, the lid 2, and the earphone body 4 is made of PC+ABS composite material.

[0022] like Figure 2 and Figure 3 As shown, the magnetic ring 18 is wrapped with a shielding layer to prevent the magnetic field of the magnetic ring 18 from interfering with the mobile phone signal. The shielding layer is selected from copper shielding layer, aluminum shielding layer or permalloy shielding layer, and the shielding layer thickness is ≤0.2mm. The magnetic attraction force of the magnetic ring 18 to the back of the mobile phone is ≥5N. This structure can ensure that the charging case 1 is stably attached to the back of the mobile phone. An indicator light 11 is provided on the outer side of the charging case 1. The indicator light 11 can light up different colors to indicate the battery status. A charging slot 12 is provided on the side of the charging case 1 for charging the entire earphone, which is convenient for the use of the earphone. A charging compartment 14 is provided inside the charging case 1. The charging compartment 14 is designed to support the earphone body 4, which is convenient for charging the earphone body 4 and facilitating its operation. A charging copper post 17 is provided inside the charging compartment 14. The charging copper post 17 is designed to cooperate with the earphone body 4, which is convenient for charging the earphone body 4. The top two sides of the back of the charging case 1 are symmetrically provided with adapters 15, and the adapters 15 have an adapter hole 16 in the middle. The cooperation between the adapters 15 and the adapter hole 16 makes it easy for the charging case 1 to rotate and connect with the case cover 2.

[0023] like Figure 4 As shown, the cover 2 is provided with an adapter post 23 aligned between the two adapters 15. The adapter post 23 has a shaft hole 24 in the middle. The adapter post 23 is inserted between the two adapters 15, and the shaft hole 24 is aligned with the adapter hole 16. This structure facilitates the connection between the cover 2 and the charging case 1 via a shaft. The cover 2 has a pressing groove 22 facing the charging case 14. The pressing groove 22 is used to press against the top of the earphone body 4. This structure allows the earphone body 4 to shake inside the charging case 14 while closed, ensuring that the earphone body 4 is stable inside the charging case 14.

[0024] like Figure 5 As shown, the earphone body 4 has a sound-emitting section 43, which is connected to the earphone body 4 via an elastic connecting rod 42. This structure facilitates the earphone body 4 to be clipped onto the ear, making it convenient to use. The earphone body 4 has charging contacts 41 aligned with the charging copper post 17 for easy charging. The bottom of the earphone body 4 is magnetically connected to the charging case 1 to ensure stable contact between the charging contacts 41 and the charging copper post 17, achieving stable charging. The sound-emitting section 43 has a sound-amplifying hole 44, allowing the user to hear sound clearly through the earphone. The sound-amplifying hole 44 is covered with a dustproof mesh, which is selected from stainless steel, nylon, or polyester fiber dustproof mesh. This structure helps prevent external dust from entering the earphone.

[0025] Example 2 like Figure 1 , Figure 3 and Figure 4 As shown, an ultra-thin magnetic earphone case for mobile phones includes a charging case 1. A lid 2 is located at the top opening of the charging case 1, and the lid 2 is connected to the charging case 1 by a pin 3, facilitating the flipping of the lid 2 to seal the top opening of the charging case 1. A first magnetic element 13 is located on the side of the charging case 1 not hinged to the lid 2. A magnetic groove 21 is located on the lid 2 corresponding to the first magnetic element 13, and a second magnetic element is located inside the magnetic groove 21. The cooperation between the second magnetic element and the first magnetic element 13 facilitates the attachment of the lid 2, sealing the top opening of the charging case 1. A magnetic ring 18 is located on the bottom surface of the charging case 1, which facilitates the connection with mobile phones that have magnetic charging capabilities, allowing the entire charging case 1 to fit snugly against the back of the phone. An earphone body 4 is located inside the charging case 1, facilitating wireless connection and use with the mobile phone. The charging case 1 contains a micro lithium battery with a capacity of ≥100mAh, located at the bottom of the charging case 1. The outer shell of the charging case 1, the lid 2, and the earphone body 4 is made of PC+ABS composite material.

[0026] like Figure 2 and Figure 3 As shown, the magnetic ring 18 is wrapped with a shielding layer to prevent the magnetic field of the magnetic ring 18 from interfering with the mobile phone signal. The shielding layer is selected from copper shielding layer, aluminum shielding layer or permalloy shielding layer, and the shielding layer thickness is ≤0.2mm. The magnetic attraction force of the magnetic ring 18 to the back of the mobile phone is ≥5N. This structure can ensure that the charging case 1 is stably attached to the back of the mobile phone. An indicator light 11 is provided on the outer side of the charging case 1. The indicator light 11 can light up different colors to indicate the battery status. A charging slot 12 is provided on the side of the charging case 1 for charging the entire earphone, which is convenient for the use of the earphone. A charging compartment 14 is provided inside the charging case 1. The charging compartment 14 is designed to support the earphone body 4, which is convenient for charging the earphone body 4 and facilitating its operation. A charging copper post 17 is provided inside the charging compartment 14. The charging copper post 17 is designed to cooperate with the earphone body 4, which is convenient for charging the earphone body 4. The top two sides of the back of the charging case 1 are symmetrically provided with adapters 15, and the adapters 15 have an adapter hole 16 in the middle. The cooperation between the adapters 15 and the adapter hole 16 makes it easy for the charging case 1 to rotate and connect with the case cover 2.

[0027] like Figure 4 As shown, the cover 2 is provided with an adapter post 23 aligned between the two adapters 15. The adapter post 23 has a shaft hole 24 in the middle. The adapter post 23 is inserted between the two adapters 15, and the shaft hole 24 is aligned with the adapter hole 16. This structure facilitates the connection between the cover 2 and the charging case 1 via a shaft. The cover 2 has a pressing groove 22 facing the charging case 14. The pressing groove 22 is used to press against the top of the earphone body 4. This structure allows the earphone body 4 to shake inside the charging case 14 while closed, ensuring that the earphone body 4 is stable inside the charging case 14.

[0028] like Figure 5 As shown, the earphone body 4 has a sound-emitting section 43, which is connected to the earphone body 4 via a flexible connecting rod 42. This structure facilitates the earphone body 4 to be clipped onto the ear, making it convenient to use. The earphone body 4 has charging contacts 41 aligned with the charging copper post 17 for easy charging. The bottom of the earphone body 4 is magnetically connected to the charging case 1 to ensure stable contact between the charging contacts 41 and the charging copper post 17, achieving stable charging. The sound-emitting section 43 has a sound-amplifying hole 44, allowing the user to hear sound clearly through the earphone. The sound-amplifying hole 44 is covered with a dustproof mesh, which is selected from stainless steel, nylon, or polyester fiber dustproof mesh. This structure helps prevent external dust from entering the earphone.

[0029] like Figure 1 As shown, the outer surfaces of the charging case 1 and the lid 2 are coated with an anti-slip coating. The anti-slip coating is a polytetrafluoroethylene coating or a silicon-based coating, and the coefficient of friction of the anti-slip coating is ≤0.15. This structure can increase the friction between the charging case 1 and the mobile phone, ensuring the stable use of the charging case 1.

[0030] Working principle: The bottom surface of the charging case 1 is equipped with a magnetic ring 18 with a shielding layer. Its magnetic attraction force to the back of the phone is ≥5N, which can stably attach the entire charging case 1 to the back of the phone with magnetic charging function. The shielding layer can effectively prevent the magnetic field of the magnetic ring 18 from interfering with the phone signal. At the same time, the polytetrafluoroethylene or silicon-based anti-slip coating sprayed on the outer surface of the charging case 1 and the lid 2 further increases the friction with the phone, ensuring the stability of the charging case 1 during use. The lid 2 is hinged to the charging case 1 through the adapters 15 on both sides of the top of the back of the charging case 1, its own adapter post 23 and shaft. When closed, the first magnetic body 13 on the non-hinged side of the charging case 1 and the second magnetic body in the corresponding magnetic groove 21 of the lid 2 attract each other to seal the top opening of the charging case 1. The groove 22 of the lid 2 facing the charging compartment 14 can press against the earphone body 4 placed in the charging compartment 14 to prevent the earphone body 4 from shaking in the charging compartment 14. The lower part of the charging case 1 has a built-in capacity of ≥100mAh. The miniature lithium battery can be charged through the charging slot 12 on the side of the charging case 1. The lithium battery then powers the earphone body 4 placed in the charging case 14 through the charging copper pillar 17 inside the charging case 14. The indicator light 11 on the outside of the charging case 1 indicates the battery level by lighting up different colors. The earphone body 4 shell, the charging case 1, and the case cover 2 are all made of PC+ABS composite material. They are connected to the sound output section 43 through the elastic connecting rod 42 for easy clipping on the ear. The sound amplification hole 44 on the sound output section 43 ensures that the sound is transmitted smoothly to the user's ear. The stainless steel, nylon, or polyester fiber dustproof mesh covering the sound amplification hole 44 can prevent external dust from entering the earphone. At the same time, the earphone body 4 can wirelessly connect to the mobile phone to realize the audio playback function.

[0031] In summary, compared with the prior art, this application provides a magnetic ring 18 on the bottom surface of the charging case 1. The magnetic ring 18 can be attached to the back of the mobile phone or the back of a mobile phone case with magnetic function, which makes it convenient to carry and use the earphones. At the same time, the charging case 1 and the lid 2 are hinged together and are attached by the first magnetic body 13 and the magnetic groove 21, which ensures that the lid 2 cannot be easily opened from the back, thus avoiding the problem of losing the earphones inside the charging case 1.

[0032] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. An ultra-thin mobile phone back magnetic earphone box, comprising a charging box, characterized in that, The charging case has a lid at the top opening, which is connected to the charging case by a pin. The side of the charging case that is not hinged to the lid has a first magnetic element. The lid has a magnetic groove corresponding to the first magnetic element, and a second magnetic element is provided inside the magnetic groove. The bottom of the charging case has a magnetic ring, and the earphone body is located inside the charging case.

2. The ultra-thin mobile phone back magnetic earphone box according to claim 1, characterized in that, The magnetic ring is wrapped with a shielding layer, which is selected from copper shielding layer, aluminum shielding layer or permalloy shielding layer. The thickness of the shielding layer is ≤0.2mm, and the magnetic attraction force of the magnetic ring to the back of the mobile phone is ≥5N.

3. The ultra-thin mobile phone back magnetic earphone box according to claim 1, characterized in that, The charging case has an indicator light on its outer side and a charging slot on its side for charging the entire earphone.

4. The ultra-thin mobile phone back magnetic earphone box according to claim 3, characterized in that, The charging box has a charging compartment inside, and the charging compartment has a charging copper pillar inside.

5. The ultra-thin mobile phone back magnetic earphone box according to claim 4, characterized in that, The charging case has symmetrical adapters on both sides of the top back, and the adapters have an adapter hole in the middle.

6. The ultra-thin mobile phone back magnetic earphone box according to claim 5, characterized in that, The cover is aligned with the two adapters and has an adapter post. The adapter post has a shaft hole in the middle. The adapter post is inserted between the two adapters and the shaft hole is aligned with the adapter hole.

7. The ultra-thin mobile phone back magnetic earphone box according to claim 6, characterized in that, The lid of the case has a groove facing the charging case, which is used to press against the top of the earphone body.

8. The ultra-thin mobile phone back magnetic earphone box according to claim 4, characterized in that, The earphone body is provided with a sound playback section, which is connected to the earphone body by an elastic connecting rod. The earphone body is provided with a charging contact at the position aligned with the charging copper post. The bottom of the earphone body is magnetically connected to the charging case to ensure stable contact between the charging contacts of the earphone body and the charging copper post, thereby achieving stable charging.

9. The ultra-thin mobile phone back magnetic earphone box according to claim 8, characterized in that, The sound-emitting part is provided with a sound-amplifying hole, and the sound-amplifying hole is covered with a dustproof net, which is selected from stainless steel dustproof net, nylon dustproof net or polyester fiber dustproof net.

10. The ultra-thin mobile phone back magnetic earphone box according to any one of claims 1-9, characterized in that, The charging case and the outer surface of the case cover are coated with an anti-slip coating, which is a polytetrafluoroethylene coating or a silicon-based coating, and the coefficient of friction of the anti-slip coating is ≤0.15.

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