A detachable bluetooth earphone charging bin with spring device

Abstract

The utility model relates to earphone charging bin technical field especially, more particularly to a kind of detachable bluetooth earphone charging bin with spring device, including the upper lid assembly and lower lid assembly that can be relatively opened and closed, upper lid assembly includes upper lid frame, lens, PET pattern film, inner support, movable bolt, spring and support part;The inner cavity upper portion of upper lid frame is installed with lens, inner cavity lower portion is installed with inner support, the inside of support part is installed with movable bolt with spring;Movable bolt can be clamped into inner support under the action of spring, at this time, support part is locked with inner support by movable bolt;Lens and support part jointly enclose the installation area of PET pattern film for being conveniently clamped and installed between them.By movable bolt-spring mechanism, support part and inner support are unlocked / locked in seconds, user can complete PET pattern film replacement without tool, meet the individualized demand of consumer to wireless earphone charging box appearance.

Description

Technical Field

[0001] This utility model relates to the field of headphone charging case technology, and in particular to a detachable Bluetooth headphone charging case with a spring device. Background Technology

[0002] As a core accessory for wireless audio devices, the charging case for wireless earbuds serves a purpose far beyond simple storage. It integrates multiple technologies to create a complete energy ecosystem. Functionally, the charging case provides independent power to the earbuds. While a single charge typically provides 4-8 hours of playback, the built-in battery extends the total usage time to 20-30 hours, completely eliminating battery anxiety. Its intelligent power management system automatically recognizes when the earbuds are placed in the case and initiates charging, while also extending battery life through overcharge protection and temperature control mechanisms. In terms of portability, the compact design doubles as a protective case, effectively preventing physical damage to the earbuds from impacts and pressure. More notably, some high-end models integrate wireless charging, fast charging protocols, and digital battery level displays, and even offer reverse charging technology for emergency power replenishment of mobile phones. This central role in power not only redefines the usage scenario of wireless earbuds but also drives the evolution of true wireless audio devices from "portable tools" to "all-weather smart terminals" through continuous power supply.

[0003] Wireless earphone charging cases often have PET pattern films printed with various designs and colors installed under the lens of the top cover to achieve the desired display effect. However, existing wireless earphone charging cases have a drawback: the top cover is not easy to remove, making it difficult to replace the PET pattern films printed with various designs and colors under the lens.

[0004] In view of this, the inventors aim to design a detachable Bluetooth earphone charging case with a spring mechanism. Utility Model Content

[0005] The purpose of this invention is to overcome the problems of insufficient bass, unbalanced vibration, and harsh sound in the existing technology, and to provide a detachable Bluetooth earphone charging case with a spring device.

[0006] To achieve the above-mentioned technical objectives and effects, this utility model is implemented through the following technical solution: A detachable Bluetooth earphone charging case with a spring mechanism includes an upper cover assembly and a lower cover assembly that can be opened and closed relative to each other. The upper cover assembly includes an upper cover frame, a lens, a PET pattern film, an inner support, a movable pin, a spring, and a support member. The lens is installed in the upper part of the inner cavity of the upper cover frame, and the inner support is installed in the lower part of the inner cavity of the upper cover frame. The movable pin with a spring is installed inside the support member. The movable pin can be engaged with the inner support under the action of the spring, at which time the support member is locked to the inner support through the movable pin. When the movable pin is disengaged from the support member under the action of external force, the support member and the inner support are released from the locked state. The lens and the support member together form an installation area for clamping and installing the PET pattern film.

[0007] Furthermore, in the aforementioned detachable Bluetooth earphone charging case with spring device, the upper cover frame includes an upper cover frame body, a flip cover plate is installed at the lower end of the upper cover frame body, and a ring-shaped mounting groove is opened inward on the inner wall of the upper cover frame body. The wall of the ring-shaped mounting groove is provided with a plurality of first positioning protrusions along the circumferential direction.

[0008] Furthermore, in the aforementioned detachable Bluetooth earphone charging case with spring device, the top cover frame has a stepped portion at the top of the opening, and the periphery of the lens has a stepped groove that corresponds to the stepped portion.

[0009] Furthermore, in the aforementioned detachable Bluetooth earphone charging case with spring device, the inner support includes an inner support body, the outer wall of the inner support body is provided with a first positioning groove that cooperates with a first positioning protrusion, the inner support body is provided with a locking groove that penetrates the inner and outer walls, and the inner support body is provided with a second positioning protrusion on the inner wall opposite to the locking groove.

[0010] Furthermore, in the aforementioned detachable Bluetooth earphone charging case with spring device, when the inner support is snapped into place with the upper cover frame, the upper end of the inner support just abuts against the lower outer periphery of the lens.

[0011] Furthermore, in the aforementioned detachable Bluetooth earphone charging case with spring device, the support component includes a support body, the outer wall of the support body is provided with a second positioning groove that cooperates with the second positioning protrusion, the upper middle part of the support body is provided with a sliding groove, one end of the sliding groove is provided with a spring limiting ring plate, the outer end of the sliding groove is provided with a guide groove corresponding to the locking groove position, and the bottom surface of the sliding groove is provided with a toggle groove near the guide groove.

[0012] Furthermore, in the aforementioned detachable Bluetooth earphone charging case with spring device, the lower end of the bracket body is recessed inward to form two earphone placement slots that facilitate the avoidance of wireless earphones, and the upper end of the bracket body is provided with several grid pieces that facilitate the support of PET pattern film.

[0013] Furthermore, in the aforementioned detachable Bluetooth headset charging case with spring device, the movable pin consists of a slide rod and a pin head installed at its front end. The front end of the pin head is provided with a pin portion that can extend into the locking groove through a guide groove, and the bottom end of the pin head is provided with a toggle portion that can move along the toggle groove. A spring is sleeved on the outside of the slide rod, and the two ends of the spring abut against the toggle portion and the spring limiting ring plate, respectively.

[0014] The beneficial effects of this utility model are: 1. The active pin-spring mechanism enables the bracket and inner tray to unlock / lock in seconds, allowing users to replace the PET pattern film without tools, thus meeting consumers' personalized needs for the appearance of the wireless earphone charging case. Compared to traditional adhesive designs (which require professional equipment for replacement), the replacement operation efficiency is significantly improved.

[0015] 2. The standardized mounting area consisting of the lens and support components is compatible with 0.2-0.5mm thick PET film and supports matte / laser / transparent materials. Combined with the wireless charging function of the charging case, it achieves a balance between functionality and aesthetics.

[0016] 3. The PET pattern film has multiple protections: the spring preload ensures the stability of the movable pin; the lens uses a PC+UV hardened layer to prevent scratches on the PET pattern film; and the inner support can prevent the PET pattern film from shifting.

[0017] Of course, any product implementing this utility model does not necessarily need to achieve all of the above advantages at the same time. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is an exploded view of the overall structure of this utility model; Figure 2 This is a schematic diagram of the structure of the upper cover frame in this utility model; Figure 3 This is a schematic diagram of the lens structure in this utility model; Figure 4 This is a schematic diagram of the structure of the PET patterned film in this utility model; Figure 5 This is a schematic diagram of the inner support component in this utility model; Figure 6 This is a structural schematic diagram of the support component in this utility model; Figure 7 This is a top view of the support component in this utility model; Figure 8 This is a schematic diagram of the movable pin structure in this utility model; Figure 9 This is an assembly diagram of a part of this utility model; Figure 10 This is a half-sectional schematic diagram of the upper cover assembly of this utility model; In the attached diagram, the components represented by each number are as follows: 1-Upper cover frame, 101-Upper cover frame body, 102-Flip cover plate, 103-Ring-shaped mounting groove, 104-First positioning protrusion, 2-Lens, 3-PET pattern film, 4-Inner support piece, 401-Inner support piece body, 402-First positioning groove, 404-Locking groove, 403-Second positioning protrusion, 5-Modible pin, 501-Slide rod, 502-Pin head, 503-Pin part, 504-Actuating part, 6-Spring, 7-Bracket piece, 701-Bracket body, 702-Slide groove, 703-Spring limiting ring plate, 704-Guide groove, 705-Actuating groove. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0021] like Figure 1 , Figures 9-10 As shown, this embodiment provides a detachable Bluetooth earphone charging case with a spring mechanism, including an upper cover assembly and a lower cover assembly that can be opened and closed relative to each other. The upper cover assembly includes an upper cover frame 1, a lens 2, a PET patterned film 3, an inner support 4, a movable pin 5, a spring 6, and a support member 7. The lens 2 is installed in the upper part of the inner cavity of the upper cover frame 1, and the inner support 4 is installed in the lower part of the inner cavity of the upper cover frame 1. The movable pin 5 with the spring 6 is installed inside the support member 7. Under the action of the spring 6, the movable pin 5 can be engaged with the inner support 4. At this time, the support member 7 is locked to the inner support 4 by the movable pin 5. When the movable pin 5 is disengaged from the support member 7 under the action of external force, the support member 7 is released from the locked state with the inner support; the lens 2 and the support member 7 together form an installation area for easy clamping and installation of the PET patterned film 3.

[0022] like Figure 2As shown, the upper cover frame 1 includes an upper cover frame body 101. A flip cover plate 102 is installed at the lower end of the upper cover frame body 101. A ring-shaped mounting groove 103 is opened inward on the inner wall of the upper cover frame body 101. A plurality of first positioning protrusions 104 are provided on the wall of the ring-shaped mounting groove 103 along the circumferential direction.

[0023] like Figure 3 As shown, the top of the upper cover frame 1 is provided with a stepped portion at the top of the opening, and the outer periphery of the lens 2 is provided with a stepped groove that corresponds to the stepped portion.

[0024] like Figure 4 As shown, the outer edge shape of the PET pattern film 3 matches the inner edge shape of the upper cover frame body 101.

[0025] like Figure 5 As shown, the inner support 4 includes an inner support body 401. The outer wall of the inner support body 401 has a first positioning groove 402 that mates with the first positioning protrusion 104. The inner support body 401 has a locking groove 404 that penetrates the inner and outer walls. The inner support body 401 has a second positioning protrusion 403 on its inner wall opposite to the locking groove 404. When the inner support 4 is snapped and fixed to the upper cover frame 1, the upper end of the inner support 4 just abuts against the lower outer periphery of the lens 2.

[0026] like Figures 6-7 As shown, the bracket 7 includes a bracket body 701. The outer wall of the bracket body 701 is provided with a second positioning groove that mates with the second positioning protrusion 403. The upper middle part of the bracket body 701 is provided with a sliding groove 702. One end of the sliding groove 702 is provided with a spring limiting ring plate 703. The outer end of the sliding groove 702 is provided with a guide groove 704 corresponding to the position of the locking groove 404. The bottom surface of the sliding groove 702 is provided with a toggle groove 705 near the guide groove 704.

[0027] In this embodiment, the lower end of the bracket body 701 is recessed inward to form two earphone placement slots that facilitate the avoidance of wireless earphones, and the upper end of the bracket body 701 is provided with several grid pieces that facilitate the support of PET pattern film 3.

[0028] like Figure 8 As shown, the movable pin 5 consists of a slide rod 501 and a pin head 502 installed at its front end. The front end of the pin head 502 is provided with a pin part 503 that can extend into the locking groove 404 through the guide groove 704. The bottom end of the pin head 502 is provided with a toggle part 504 that can move along the toggle groove 705. A spring 6 is sleeved on the outside of the slide rod 501. The two ends of the spring 6 abut against the toggle part 504 and the spring limiting ring plate 703, respectively.

[0029] One specific application of this embodiment is the use of a movable pin-spring mechanism to achieve second-level unlocking / locking of the support component and the inner tray. Users can replace the PET pattern film without tools, meeting consumers' personalized needs for the appearance of the wireless earphone charging case. Compared with the traditional adhesive design (replacement requires professional equipment), the replacement operation efficiency is significantly improved. The standardized installation area formed by the lens and support component is compatible with 0.2-0.5mm thick PET film and supports matte / laser / transparent materials. Combined with the wireless charging function of the charging case, it achieves a unity of functionality and aesthetics. The PET pattern film has multiple protections: the spring preload ensures the stability of the movable pin engagement; the lens uses a PC+UV hardened layer to prevent scratches on the PET pattern film; and the inner tray prevents displacement of the PET pattern film.

[0030] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to specific implementation methods. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A detachable Bluetooth earphone charging case with a spring mechanism, comprising an upper cover assembly and a lower cover assembly capable of opening and closing relative to each other, characterized in that, The top cover assembly includes a top cover frame, a lens, a PET pattern film, an inner support, a movable pin, a spring, and a bracket. The lens is installed in the upper part of the inner cavity of the top cover frame, and the inner support is installed in the lower part of the inner cavity of the top cover frame. A movable pin with a spring is installed inside the bracket. The movable pin can engage with the inner support under the action of the spring, at which point the bracket and the inner support are locked together by the movable pin. When the movable pin disengages from the bracket under external force, the bracket and the inner support are released from their locked state. The lens and the bracket together form an installation area for clamping and installing the PET pattern film.

2. The detachable Bluetooth earphone charging case with a spring device according to claim 1, characterized in that, The upper cover frame includes an upper cover frame body, a flip cover plate is installed at the lower end of the upper cover frame body, and a ring-shaped mounting groove is opened inward on the inner wall of the upper cover frame body. The wall of the ring-shaped mounting groove is provided with a plurality of first positioning protrusions along the circumferential direction.

3. A detachable Bluetooth earphone charging case with a spring device according to claim 2, characterized in that, The top of the upper cover frame is provided with a stepped portion at the top of the opening, and the outer periphery of the lens is provided with a stepped groove that corresponds to the stepped portion.

4. A detachable Bluetooth earphone charging case with a spring device according to claim 3, characterized in that, The inner support includes an inner support body. The outer wall of the inner support body is provided with a first positioning groove that mates with a first positioning protrusion. The inner support body is provided with a locking groove that penetrates the inner and outer walls. The inner support body is provided with a second positioning protrusion on the inner wall opposite to the locking groove.

5. A detachable Bluetooth earphone charging case with a spring device according to claim 4, characterized in that, When the inner support is snapped into place with the upper cover frame, the upper end of the inner support just abuts against the lower outer periphery of the lens.

6. A detachable Bluetooth earphone charging case with a spring device according to claim 5, characterized in that, The bracket includes a bracket body. The outer wall of the bracket body is provided with a second positioning groove that mates with the second positioning protrusion. A sliding groove is provided inwardly at the upper middle part of the bracket body. One end of the sliding groove is provided with a spring limiting ring plate. The outer end of the sliding groove is provided with a guide groove corresponding to the locking groove position. The bottom surface of the sliding groove is provided with a toggle groove near the guide groove.

7. A detachable Bluetooth earphone charging case with a spring device according to claim 6, characterized in that, The lower end of the bracket body is recessed inward to form two earphone placement slots to facilitate the avoidance of wireless earphones, and the upper end of the bracket body is provided with several grid pieces to facilitate the support of PET pattern film.

8. A detachable Bluetooth earphone charging case with a spring device according to claim 7, characterized in that, The movable pin consists of a slide rod and a pin head installed at its front end. The front end of the pin head is provided with a pin part that can extend into the locking groove through the guide groove, and the bottom end of the pin head is provided with a toggle part that can move along the toggle groove. A spring is sleeved on the outside of the slide rod, and the two ends of the spring abut against the toggle part and the spring limiting ring plate, respectively.

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