Battery detachable structure capable of preventing mistaken disassembly

Abstract

This utility model discloses a removable battery structure that prevents accidental disassembly, including a first housing, a battery bracket, and a main body. The battery bracket is fixed inside the main body, and the battery is detachably installed in the battery bracket. A latching part on the inner side of the first housing matches a limiting groove on the side of the battery bracket, achieving initial connection between the two. A spring clip on the outer side of the battery bracket abuts against the latching part on the inner side of the first housing in its natural state, forming a locked state. Only when the spring clip is pressed inward can the first housing rotate relative to the battery bracket to unlock. Therefore, the natural abutment between the spring clip and the latching part achieves a normal locking mechanism, effectively preventing children and other non-professionals from accidentally disassembling the battery, thus improving safety. The method of unlocking and rotating by pressing the spring clip ensures ease of battery disassembly for adults, requiring no complicated tools or operations. Furthermore, the cooperation between the latching part and the limiting groove enhances the stability of the connection between the first housing and the battery bracket, preventing loosening during daily use.

Description

Technical Field

[0001] This utility model relates to the field of wearable audio device technology, specifically to a removable battery structure that can prevent accidental disassembly. Background Technology

[0002] In the consumer electronics sector, headphones, as portable audio devices, have become indispensable products in people's daily lives, work, and entertainment. With technological advancements and diversified consumer demands, headphone functionality has continuously expanded, and battery life has become a crucial indicator of headphone performance. The battery, as the core component providing battery life, directly impacts the overall user experience through its design and use. In recent years, the EU and other countries and regions, driven by considerations of environmental protection, resource recycling, and consumer rights protection, have mandated removable batteries for wearable electronic products. This policy direction has forced the headphone industry to make corresponding adjustments to its product structure design to meet market access standards.

[0003] However, the current design of removable battery structures in headphone products faces many pressing technical challenges. On the one hand, to meet the needs of adult users for convenient disassembly, the structural design needs to simplify the operation steps as much as possible, reduce the difficulty of disassembly, and at the same time ensure the stability and reliability of the structure to avoid poor user experience due to complex disassembly processes or to prevent the normal use of the headphones due to loose structures. However, many existing removable battery solutions often neglect structural strength and sealing performance in the pursuit of convenience. For example, some solutions use simple buckle connections, which are easy to disassemble, but when the headphones are subjected to external forces such as drops or impacts, the buckles are prone to loosening and the top cover may fall off, which not only affects the product's lifespan but may also damage internal components. At the same time, insufficient sealing performance allows dust and moisture to enter the headphones, interfering with the normal operation of core components such as the motherboard and battery, causing short circuits and malfunctions, seriously affecting user safety and product reliability.

[0004] On the other hand, the risk of accidental disassembly by children is a critical safety hazard that cannot be ignored in the design of removable battery structures. Children are naturally curious about various electronic products. If the removable battery structure of the headphones is too simple, children may disassemble the battery themselves unsupervised, leading to safety risks such as accidentally swallowing the battery or coming into contact with internal live components, posing a serious threat to children's lives and health. Existing child-proof solutions often employ complex locking mechanisms, such as multi-step password unlocking or specially shaped tools. While these can prevent accidental disassembly to some extent, they significantly increase the difficulty and operating costs for adult users. Furthermore, the complex structural design leads to more assembly steps and a greater number of parts, increasing manufacturing costs and reducing the yield rate of mass production, which is detrimental to the market promotion of the product.

[0005] Furthermore, from the perspective of cost control and production efficiency, many current battery removable solutions suffer from problems such as complex structures, numerous components, and high precision requirements. For example, some solutions use precision gear transmission mechanisms or electronic locking devices to achieve removability and anti-accidental disassembly functions. These structures not only require high-precision machining processes, increasing the manufacturing cost of components, but also require specialized equipment and technicians to operate during assembly, extending the production cycle, reducing production efficiency, and making it difficult to meet the needs of large-scale mass production. At the same time, some solutions have defects in the sealing structure design, such as using sealing gaskets that are repeatedly pasted. When replacing the battery, the sealing structure needs to be re-pasted, which not only increases the difficulty of operation for users, but also leads to an increase in the cost of consumable parts such as sealing gaskets. Moreover, the sealing performance cannot be guaranteed after repeated pasting, further reducing the reliability of the product.

[0006] In summary, current removable battery designs for headphones still have many technical limitations and shortcomings in terms of ensuring convenient disassembly for adults, preventing accidental disassembly by children, controlling costs, ensuring reliability, and improving user experience. Therefore, developing a removable battery structure for headphones that balances convenient adult disassembly with child-proofing, while also being simple in structure, low in cost, highly reliable, well-sealed, and providing a superior user experience, has become a crucial technical challenge for the headphone industry. This is of significant practical importance for promoting technological upgrades in headphone products, meeting market regulatory requirements, and ensuring user safety. Utility Model Content

[0007] The present invention aims to overcome at least one of the defects of the prior art and provide a removable battery structure that can prevent accidental disassembly, so as to achieve convenient battery disassembly while preventing accidental disassembly.

[0008] This utility model protects a removable battery structure that prevents accidental disassembly. Its core components include a first housing, a battery holder, and a main body. The battery holder is fixed within the main body, and the battery is detachably installed within the battery holder. A latch on the inner side of the first housing matches a limiting groove on the side of the battery holder, achieving initial connection. A spring clip on the outer side of the battery holder abuts against the latch on the inner side of the first housing in its natural state, forming a locked state. Only when the spring clip is pressed inward can the first housing rotate relative to the battery holder to unlock. The advantages of this design are: the natural abutment between the spring clip and the latch achieves a normal locking mechanism, effectively preventing children and other non-professionals from accidentally disassembling the battery, thus improving safety; while the method of unlocking and rotating by pressing the spring clip ensures ease of battery disassembly for adults, requiring no complicated tools or operations; simultaneously, the cooperation between the latch and the limiting groove enhances the stability of the connection between the first housing and the battery holder, preventing loosening during daily use.

[0009] Furthermore, this utility model specifies that the latching parts are unevenly and asymmetrically distributed on the inner side of the first housing. The core of this distribution method is to form a foolproof structure, that is, through the difference in the position and distribution of the latching parts, it is ensured that the first housing can only be assembled with the battery bracket in one correct direction, which can effectively avoid component damage caused by incorrect orientation during assembly and reduce the assembly error rate of users or in the production process; the asymmetrical design can also assist in the precise alignment of the first housing and the battery bracket, improve assembly efficiency, and enhance the structural stability after connection, preventing wear of the latching parts or limiting grooves caused by misaligned assembly.

[0010] Furthermore, the snap-fit ​​part includes a first snap-fit, a second snap-fit, a third snap-fit, and a fourth snap-fit ​​arranged in a ring, with at least two sets of snap-fits having unequal widths, representing a further refinement of the asymmetrical distribution in the aforementioned structure. Snap-fits of different widths match corresponding limiting grooves; assembly can only be completed when a snap-fit ​​corresponds to a limiting groove of suitable width. Therefore, this invention enhances the error-proof effect through width differences, further ensuring the uniqueness of the assembly direction and avoiding misassembly due to similar snap-fit ​​shapes. Simultaneously, snap-fits of different widths can be designed according to stress requirements, allowing for wider snap-fits in areas of higher stress, thereby improving overall connection strength and extending the structural service life.

[0011] More preferably, the first and / or second and / or third and / or fourth latches are provided with stop protrusions; the limiting groove is provided with a stop opening that matches the stop protrusion. When the first housing rotates relative to the battery holder, the stop protrusion contacts the stop opening, limiting the rotation angle. This allows for precise control of the rotation range of the first housing, preventing deformation or breakage of the latch or limiting groove due to excessive rotation, thus protecting structural integrity. Simultaneously, the cooperation between the stop protrusion and the stop opening provides clear mechanical feedback, allowing the user to perceive that the lock or unlock is in place, improving the user experience and accuracy.

[0012] More preferably, the stop protrusion is semi-circular. The semi-circular design ensures that the stop protrusion makes surface contact with the stop opening, and the edges are smooth. Compared to a sharp shape, a semi-circular shape reduces frictional resistance during rotation, making operation smoother and reducing component wear; at the same time, surface contact can distribute force, avoiding excessive local stress that could damage the stop protrusion or stop opening, thus extending the durability of the structure.

[0013] Furthermore, the bottom surface of the limiting groove is inclined. When the first housing and the battery bracket are assembled, the inclined bottom surface can guide the buckle part to slide into the limiting groove along the inclined surface, which can reduce the alignment difficulty during assembly, make it easier for the buckle part to enter the limiting groove, and improve assembly efficiency; at the same time, the inclined surface can buffer the impact force during assembly, reduce the rigid collision between the buckle part and the limiting groove, reduce the risk of damage, and protect the component structure.

[0014] Furthermore, the inner side of the first housing is provided with multiple stop ribs, and the outer side of the battery bracket is provided with multiple stop grooves that match the stop ribs.

[0015] The stop rib is a rib-like structure protruding outward from the inner side of the first housing, and the stop groove is a groove-like structure recessed on the outer side of the battery bracket. Their shapes, positions, and numbers correspond. When the first housing and battery bracket are assembled or rotate relative to each other, the stop rib can embed into the stop groove to form a fit. Therefore, the matching of the stop rib and stop groove can precisely limit the rotation range of the first housing relative to the battery bracket, preventing deformation or breakage of components such as the latch and limit groove due to excessive rotation angle, effectively protecting structural integrity. During assembly, the alignment of the stop rib and stop groove can assist the first housing and battery bracket in quick and accurate positioning, reducing assembly deviations and improving assembly efficiency. Simultaneously, their interlocking relationship enhances the overall stability after the first housing and battery bracket are connected, preventing relative displacement caused by vibration and shaking during daily use, avoiding component wear, and extending the structural lifespan. Furthermore, the contact between the stop rib and stop groove during rotation provides clear mechanical feedback, allowing users to intuitively perceive whether the rotation is in place, improving operational accuracy and user experience.

[0016] More preferably, a sealing gasket is also provided on the inner side of the first housing. After the first housing and the battery bracket are assembled, the sealing gasket is compressed to form a sealed structure, preventing external dust and moisture from entering the interior. This improves the dustproof and waterproof performance of the structure, protects electronic components such as the motherboard inside the main body from contamination or moisture, and reduces the risk of short circuits and failures. At the same time, the sealing gasket can also buffer the vibration between the first housing and the battery bracket, reduce the noise generated by component collisions, and improve the user experience.

[0017] This utility model further clarifies that the main body includes a second housing and a main board, with the main board and battery bracket installed sequentially from bottom to top in the second housing. This layered installation structure makes the internal components arranged in an orderly manner, and the second housing provides support for the whole, improving the overall structure's impact resistance and reducing component damage during drops and collisions; at the same time, the orderly installation sequence facilitates production assembly, reduces assembly complexity, improves production efficiency, and facilitates component disassembly and replacement during later maintenance.

[0018] The first housing has a battery fixing rib on its inner side. The spring clip includes a fixing part and an arc-shaped locking part. The fixing part is fixed to the battery bracket, and the locking part pops outward in its natural state. The battery fixing rib further enhances the fixation of the battery and prevents the battery from shaking. The arc-shaped locking part has good elasticity and can stably abut against the buckle part in its natural state. It can retract smoothly when pressed.

[0019] Therefore, the battery retaining ribs contact the battery surface to restrict battery movement within the battery holder, effectively preventing positional shifts caused by vibration or shaking during use. This ensures stable contact between the battery and the electrodes, preventing power interruptions or poor contact. Simultaneously, the retaining ribs also distribute external forces on the battery, reducing damage from impacts and improving battery safety and lifespan. The elastic design of the arc-shaped locking part ensures stability in the locked state and smooth unlocking operation, and is less prone to elastic failure due to long-term use, extending the lifespan of the spring and ensuring the long-term effectiveness of the anti-misoperation function.

[0020] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0021] This invention utilizes a spring-loaded tab that abuts against the latch on the inner side of the first housing in its natural state to form a normal lock, effectively preventing children from accidentally removing the battery and ensuring safety. Pressing the spring-loaded tab allows the first housing to rotate relative to the battery holder, unlocking it and accommodating the need for convenient battery removal by adults. The matching design of the inner stop rib of the first housing and the outer stop groove of the battery holder not only precisely limits the range of relative rotation between the two, preventing deformation and damage to components such as the latch and the limiting groove due to excessive rotation, but also assists in the quick and accurate alignment of the first housing and the battery holder, improving assembly efficiency. It also enhances the overall stability after connection, reducing relative displacement and component wear caused by vibration during daily use, and provides clear mechanical feedback to the user, ensuring accurate operation. The asymmetrically distributed latches and limiting grooves with varying widths enhance the foolproof effect, preventing incorrect assembly direction, and can optimize the connection strength according to stress requirements, improving structural reliability.

[0022] The limiting ribs on the inner side of the first housing of this utility model work together with the battery fixing ribs to firmly restrict the position of the battery in the battery bracket, prevent the battery from shifting due to vibration and shaking, ensure stable contact between the battery and the electrodes, and avoid power interruption or poor contact. The sealing gasket can effectively prevent external dust and moisture from entering the interior, protect the motherboard and other electronic components, and reduce the risk of short circuits and failures. The layered structure of the motherboard and battery bracket installed sequentially from bottom to top in the second housing in the main body makes the internal components arranged in an orderly manner, which not only improves the overall impact resistance and reduces component damage during drop collisions, but also facilitates production assembly and subsequent maintenance. The overall structure takes into account the safety of preventing accidental disassembly, the convenience of operation, the structural stability, the assembly efficiency, and the durability of use. It has a wide range of applications and strong practicality. Attached Figure Description

[0023] Figure 1 This is a partial disassembly diagram of the detachable battery structure that prevents accidental disassembly according to this utility model.

[0024] Figure 2This is a partial disassembly diagram of the battery detachable structure that prevents accidental disassembly, from another perspective.

[0025] Figure 3 This is a schematic diagram of the spring clip structure of the detachable battery structure that prevents accidental disassembly according to this utility model.

[0026] Figure 4 This is a schematic diagram of the interior of the first housing of the detachable battery structure that prevents accidental disassembly according to this utility model.

[0027] Figure 5 This is a schematic diagram of the battery bracket and spring clip installation of the detachable battery structure that prevents accidental disassembly according to this utility model.

[0028] Figure 6 This is a schematic diagram of the overall structure of the detachable battery structure that prevents accidental disassembly according to this utility model. Detailed Implementation

[0029] The accompanying drawings illustrate the technical solutions of this utility model in more detail. Throughout the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions. The described embodiments are only some, not all, of the embodiments of this utility model. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model. The embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0030] It should be noted that if the embodiments of this application involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0031] Furthermore, if the embodiments of this application involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, features defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. If the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed in this application. Example

[0032] This embodiment provides a detachable structure for preventing accidental removal of the battery 100, such as... Figures 1-2 As shown, it includes a first housing 1, a battery bracket 2, a main body, a battery 100, a spring clip 3, and a sealing gasket 4. The main body includes a second housing 5 and a main board 6, which are combined... Figure 3 As shown, the spring 3 includes a fixing part 31 and a locking part 32, as... Figure 1 As shown, the first housing 1 is provided with a latching part 11, which is used in conjunction with... Figure 4 As shown, a stop rib 13 is also provided, such as Figure 5 As shown, the battery bracket 2 is provided with a limiting groove 21, a stop groove 22 and a battery fixing rib 23.

[0033] Combination Figures 1-2 As shown, the second housing 5 of the main body is the base of the overall structure. The motherboard 6 and the battery bracket 2 are installed in the second housing 5 from bottom to top. The motherboard 6 is fixed to the bottom of the battery bracket 2 by adhesive, and the battery bracket 2 is fixed in the second housing 5 by screws to form a stable internal support.

[0034] The first housing 1 is located on the outermost side of the structure, with its inner side facing the battery bracket 2. Combined Figure 3 As shown, four latching parts 11 are distributed in a ring on its inner side, namely the first latch 111, the second latch 112, the third latch 113, and the fourth latch 114. The four latching parts 11 have uneven widths and are asymmetrically distributed, used to cooperate with the limiting groove 21 of the battery holder 2 to achieve initial connection. Figures 4-5 As shown, the inner side of the first housing 1 is also provided with two stop ribs 13, which correspond to the stop grooves 22 on the outer side of the battery bracket 2. When the two are engaged, they restrict the relative rotation range of the first housing 1 and the battery bracket 2.

[0035] The first buckle 111 corresponds to the spring piece 3 on the outside of the battery bracket 2. The fixing part 31 of the spring piece 3 is fixed to the outside of the battery bracket 2 by adhesive application. The locking part 32 is arc-shaped and pops outward in its natural state, abutting against the first buckle 111 to form a lock.

[0036] Combination Figures 4-5 As shown, the battery bracket 2 is fixedly installed inside the second housing 5 of the main body. Its side is provided with limiting grooves 21 that correspond one-to-one with the buckle parts 11. The bottom surface of the limiting grooves 21 is inclined to facilitate the buckle parts 11 to slide in. The limiting grooves 21 are provided with stop openings 10, which cooperate with the semi-circular stop protrusions 20 on the buckle parts 11 to further limit the rotation angle.

[0037] The battery fixing rib 23 is a long strip-shaped structure protruding from the inner side of the first housing 1, distributed circumferentially along the battery 100, used to fit the surface of the battery 100 and restrict its shaking. The sealing gasket 4 is attached to the inner edge of the first housing 1, forming a seal when it contacts the outer edge of the battery bracket 2.

[0038] The battery 100 is detachably placed inside the battery bracket 2 and is fixed together by the inner wall of the battery bracket 2 and the battery fixing rib 23 of the first housing 1.

[0039] When removing battery 100, first use a special tool, combined with... Figure 6 As shown, a dedicated assembly bracket 200 or a flat tool such as tweezers can be used to apply pressure from the edge of the first housing 1, pressing the locking part 32 of the spring piece 3 on the outer side of the battery holder 2 inward, compressing the locking part 32 and disengaging it from the first latch 11 on the inner side of the first housing 1. Then, the first housing 1 is rotated clockwise. At this time, the latch 11 on the inner side of the first housing 1 slides along the inclined bottom surface of the limiting groove 21 of the battery holder 2, and the stop rib 13 moves synchronously along the stop groove 22, gradually disengaging the stop protrusion 20 from the stop opening 10. Continue rotating until the stop rib 13 contacts the end of the stop groove 22, and when further rotation is impossible, the latch 11 completely disengages from the limiting groove 21. At this point, the first housing 1 can be removed from the battery holder 2. Finally, the battery 100 is directly removed from the battery holder 2, completing the disassembly.

[0040] When installing battery 100, first place battery 100 inside battery bracket 2, ensuring that battery 100 fits snugly against the inner wall of battery bracket 2. Then align the first housing 1 with battery bracket 2, so that the snap-fit ​​part 11 on the inner side of the first housing 1 is initially aligned with the limiting groove 21 of battery bracket 2, and the stop rib 13 is aligned with the stop groove 22. At this time, the sealing gasket 4 is in contact with the edge of battery bracket 2. Press the first housing 1 so that the snap-fit ​​part 11 slides into the inclined bottom surface of the limiting groove 21 until the snap-fit ​​part 11 is initially engaged with the limiting groove 21. Rotate the first housing 1 counterclockwise, the stop rib 13 moves along the stop groove 22, the stop protrusion 20 gradually inserts into the stop opening 10, and the locking part 32 of the spring piece 3 pops outward under its own elasticity and abuts against the first snap-fit ​​11 on the inner side of the first housing 1, forming a lock. When the stop rib 13 contacts the other end of the stop groove 22 and cannot be rotated further, the installation is complete.

[0041] The above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to the preferred embodiments above, those skilled in the art should understand that modifications or equivalent substitutions to the technical solution of this utility model should not depart from the spirit and scope of this utility model. Those skilled in the art can also make other changes within the spirit of this utility model for its design, as long as they do not deviate from the technical effect of this utility model. These changes made according to the spirit of this utility model should all be included within the scope of protection claimed by this utility model.

Claims

1. A removable battery structure that prevents accidental disassembly, characterized in that, It includes a first housing (1), a battery bracket (2), and a main body; the battery bracket (2) is fixedly installed inside the main body; the battery (100) is detachably installed in the battery bracket (2); The first housing (1) has a buckle (11) on its inner side; the battery bracket (2) has a limiting groove (21) on its side that matches the buckle (11); The battery holder (2) is provided with an outwardly protruding spring piece (3) on its outer side; In its natural state, the spring (3) abuts against one of the latches (11); by pressing the spring (3) inward, the first housing (1) can be rotated and unlocked relative to the battery holder (2).

2. The detachable battery structure according to claim 1, characterized in that, The latching parts (11) are unevenly and asymmetrically distributed on the inner side of the first housing (1).

3. The detachable battery structure according to claim 2, characterized in that, The latching part (11) includes a first latch (111), a second latch (112), a third latch (113) and a fourth latch (114) distributed in a ring on the inner side of the first housing (1); the widths of the first latch (111), the second latch (112), the third latch (113) and the fourth latch (114) are at least two sets that are not equal.

4. The detachable battery structure according to claim 3, characterized in that, The first buckle (111) and / or the second buckle (112) and / or the third buckle (113) and / or the fourth buckle (114) are provided with stop protrusions (20); the limiting groove (21) is provided with a stop opening (10) that matches the stop protrusions (20).

5. The detachable battery structure according to claim 4, characterized in that, The stop protrusion (20) is semi-circular.

6. The detachable battery structure according to claim 1, characterized in that, The bottom surface of the limiting groove (21) is inclined.

7. The detachable battery structure according to claim 1, characterized in that, The inner side of the first housing (1) is provided with a plurality of stop ribs (13), and the outer side of the battery bracket (2) is provided with a plurality of stop grooves (22) that match the stop ribs (13).

8. The detachable battery structure according to claim 1, characterized in that, The inner side of the first housing (1) is also provided with a sealing gasket (4).

9. The detachable battery structure according to claim 1, characterized in that, The main body includes a second housing (5) and a main board (6), and the main board (6) and the battery bracket (2) are installed in the second housing (5) from bottom to top.

10. The detachable battery structure according to claim 1, characterized in that, The inner side of the first housing (1) is provided with multiple battery fixing ribs (23); the spring piece (3) includes a fixing part (31) and a locking part (32); the fixing part (31) is fixed to the battery bracket (2); the locking part (32) is arc-shaped, and in its natural state, the locking part (32) pops outward relative to the fixing part (31).

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