Mini host for portable audio device
By designing a portable audio device mini host, and using a knob and toothed meshing structure to adjust the length of the carrying strap, the problem of traditional audio device hosts being too large to be portable is solved, achieving flexible portability and built-in amplification function.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENZHEN QINGFEN TINGXIU INFORMATION TECH CO LTD
- Filing Date
- 2025-07-15
- Publication Date
- 2026-07-14
AI Technical Summary
Traditional audio equipment has a large main unit size, which cannot meet the needs of lightweight scenarios such as mobile office, small gatherings and outdoor live streaming.
A mini host for portable audio devices was designed. A knob drives the active rod to rotate, which engages the driven rod to rotate in the opposite direction, adjusting the length of the carrying strap and switching between hand-carrying or shoulder-carrying modes. The rotating screw ring drives the locking block to engage with the locking slot to limit the carrying strap and prevent it from rotating due to external force.
It allows users to freely switch between carrying methods according to usage scenarios and personal needs, meeting portability requirements, while also having data transmission and built-in amplification functions, eliminating the need for external speakers.
Smart Images

Figure CN224503461U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of audio equipment technology, and in particular to a mini host for portable audio equipment. Background Technology
[0002] As is well known, the audio device host is the core control and processing hub of an audio system. It is mainly used to integrate the input, processing, and output of audio signals. It can connect to audio input devices such as microphones and musical instruments to collect signals, and use built-in audio processing chips or software to amplify, reduce noise, equalize, and mix the signals. At the same time, it can drive output devices such as speakers and headphones to play sound.
[0003] However, traditional audio equipment hosts are usually large in size and cannot meet the needs of lightweight scenarios such as mobile office, small gatherings, and outdoor live streaming. Therefore, there is an urgent need for technological improvements. Utility Model Content
[0004] The purpose of this invention is to address the shortcomings of existing technologies by proposing a mini host for portable audio devices. When in use, this mini host rotates the active rod via a knob, which in turn rotates the rotating disk. The driven rod rotates in the opposite direction via toothed engagement, allowing the length of the carrying strap to be adjusted as needed. Depending on the usage scenario and personal needs, it can be freely switched between hand-carrying or shoulder-carrying. By rotating the screw ring, the locking block engages with the locking slot, which limits the active rod and prevents it from rotating due to external forces, thus changing the length of the carrying strap.
[0005] To achieve the above objectives, the present invention provides the following technical solution:
[0006] A mini-host for portable audio devices includes a mini-host. A mounting shell is fixedly connected to the upper part of one outer wall of the mini-host. A drive rod and a driven rod are rotatably connected to the front and rear ends of the inner wall of the mounting shell, respectively. One side of the drive rod penetrates the mounting shell to the outside of the mounting shell and has an external thread. Two protective discs are fixedly connected to the other side of the outer wall of both the drive rod and the driven rod. A carrying cord is fixedly spirally wound on the side of the outer wall of both the drive rod and the driven rod near the protective discs. A threaded ring is threaded to the outer wall of the external thread. A rotating ring is rotatably connected to the inner wall of the threaded ring. Multiple snap-fit blocks are fixedly connected to the outer wall of the other side of the rotating ring.
[0007] Compared with existing audio equipment main units, this audio equipment main unit, through the above technical solution, uses a mini main unit and a knob to drive the active rod to rotate while simultaneously driving the rotating disk to rotate. The toothed engagement drives the driven rod to rotate in the opposite direction, thereby allowing the length of the carrying strap to be adjusted as needed. The user can freely switch between hand-carrying or shoulder-carrying methods according to the usage scenario and personal needs. By rotating the screw ring to drive the locking block to engage with the locking slot, the active rod can be limited to prevent it from rotating due to external force and changing the length of the carrying strap.
[0008] Furthermore, a switch is provided on the upper part of the outer wall on the other side of the mini host, a USB interface is provided on one side of the upper surface of the mini host, and multiple speaker holes are provided on the outer wall at the front of the mini host.
[0009] The above technical solution allows users to quickly turn the device on or off via a switch, making operation intuitive; the USB interface meets the needs of data transmission and connection to external devices, enabling the transfer of audio files, connection of storage devices, or connection of external audio accessories; the speaker hole design ensures that sound can be effectively transmitted, guaranteeing that the device has built-in external speaker functionality, meeting basic amplification needs without the need for additional external speakers.
[0010] Furthermore, the outer wall of the protective disc on the adjacent side is in close contact with the outer wall of the carrying rope;
[0011] The above technical solution allows for easy unfolding and storage of the carrying strap through a close fit.
[0012] Furthermore, the outer wall of the protective disc is fixedly connected with multiple teeth, and the teeth at both ends are respectively engaged with each other;
[0013] The above technical solution allows the teeth to mesh with each other, facilitating the rotation of the driving rod and the driven rod in opposite directions.
[0014] Furthermore, a knob is fixedly connected to one side of the active rod;
[0015] The above technical solution allows the knob to easily drive the drive rod to rotate.
[0016] Furthermore, each of the mounting housings has a snap-fit groove at the edge near the outer wall of the active rod, and the snap-fit block engages with the snap-fit groove.
[0017] The above technical solution uses a snap-fit block and a snap-fit slot to lock together, which facilitates the limiting of the active rod and prevents it from rotating.
[0018] Furthermore, flow grooves are provided at both ends of the upper surface of the mounting shell, and the upper ends of the two carrying ropes pass through the flow grooves and are connected to each other.
[0019] The above technical solution facilitates the unfolding of the carrying strap through the flow groove.
[0020] Furthermore, both ends of the inner wall of the flow channel are rotatably connected to guide rollers, and the middle part of the outer wall of the guide rollers is in close contact with the outer wall of the carrying rope.
[0021] The above technical solution reduces friction between the carrying rope and the inner wall of the flow channel by using the guide roller, making the carrying rope slide more smoothly and reducing wear.
[0022] This utility model has the following beneficial effects:
[0023] 1. The present invention proposes a mini host for portable audio equipment. Compared with existing audio equipment hosts, when this audio equipment host is in use, it uses a mini host and the knob drives the active rod to rotate, which in turn drives the rotating disk to rotate. The toothed driven rod drives the driven rod to rotate in the opposite direction, thereby allowing the length of the carrying strap to be adjusted as needed. The user can freely switch between hand-carrying or shoulder-carrying methods according to the usage scenario and personal needs. By rotating the screw ring, the locking block can be engaged with the locking slot, which can limit the active rod and prevent it from rotating due to external force and changing the length of the carrying strap. Attached Figure Description
[0024] Figure 1 This is an isometric drawing of a mini host computer for a portable audio device proposed in this utility model;
[0025] Figure 2 This is an exploded schematic diagram of a knob in a mini host for a portable audio device proposed in this utility model;
[0026] Figure 3 for Figure 2 Enlarged view of point A in the middle;
[0027] Figure 4 This is a cross-sectional view of the mounting shell of a mini host for a portable audio device proposed in this utility model.
[0028] Figure 5 for Figure 4 Enlarged view of point B in the middle;
[0029] Figure 6 for Figure 2 Enlarged view of point C in the middle.
[0030] Explanation of reference numerals in the attached figures:
[0031] 1. Mini host; 11. Switch; 12. USB interface; 13. Speaker hole; 2. Mounting shell; 21. Driving rod; 22. Driven rod; 23. Protective disc; 24. Tooth; 25. Carrying cord; 26. Knob; 27. External thread; 28. Snap-fit groove; 29. Threaded ring; 210. Rotating ring; 211. Snap-fit block; 212. Flow groove; 213. Guide roller. Detailed Implementation
[0032] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of specific embodiments. Obviously, the described specific embodiments are only a part of the specific embodiments of the present invention, and not all of them. Based on the specific embodiments of the present invention, all other specific embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0033] Reference Figure 1-6 This utility model provides an embodiment of a portable audio device mini host, including a mini host 1. A mounting shell 2 is fixedly connected to the upper part of one side of the outer wall of the mini host 1. The front end and rear end of the inner wall of the mounting shell 2 are respectively rotatably connected to an active rod 21 and a driven rod 22. One side of the active rod 21 penetrates the mounting shell 2 to the outside of the mounting shell 2 and has an external thread 27. Two protective discs 23 are fixedly connected to the other side of the outer wall of the active rod 21 and the driven rod 22. A carrying rope 25 is fixedly spirally wound on the side of the outer wall of the active rod 21 and the driven rod 22 near the protective disc 23. A screw ring 29 is threadedly connected to the outer wall of the external thread 27. A rotating ring 210 is rotatably connected to the inner wall of the screw ring 29. Multiple snap-fit blocks 211 are fixedly connected to the outer wall of the other side of the rotating ring 210.
[0034] Compared to existing audio equipment main units, this audio equipment main unit, when in use, employs a mini main unit 1, which drives the active rod 21 to rotate via the knob 26, while simultaneously rotating the rotating disk. The teeth 24 engage and drive the driven rod 22 to rotate in the opposite direction, thereby allowing the length of the carrying strap 25 to be adjusted as needed. Depending on the usage scenario and personal needs, it can freely switch between hand-carrying or shoulder-carrying methods. By rotating the screw ring 29, the locking block 211 engages with the locking slot 28, which can limit the active rod 21 and prevent it from rotating due to external forces, thus changing the length of the carrying strap 25.
[0035] A switch 11 is provided on the upper part of the outer wall of the other side of the mini host 1, a USB port 12 is provided on one side of the upper surface of the mini host 1, and multiple speaker holes 13 are provided on the outer wall of the front of the mini host 1.
[0036] The switch 11 allows users to quickly turn the device on or off, making operation intuitive; the USB interface meets the needs of data transmission and connection to external devices, and can transfer audio files, connect storage devices, or connect external audio accessories; the speaker hole 13 design ensures that sound can be effectively transmitted, ensuring that the device has built-in external speaker function, and can meet basic amplification needs without the need for additional external speakers.
[0037] The outer wall of the protective disc 23 on the adjacent side is in close contact with the outer wall of the carrying rope 25;
[0038] The close fit makes it easy to unfold and store the strap 25.
[0039] Multiple teeth 24 are fixedly connected to the outer wall of the protective disc 23, and the teeth 24 at both ends are respectively engaged with each other;
[0040] The teeth 24 mesh with each other, which facilitates the opposite rotation of the driving rod 21 and the driven rod 22.
[0041] A knob 26 is fixedly connected to one side of the active lever 21;
[0042] The knob 26 facilitates the rotation of the drive rod 21.
[0043] Each edge of the mounting housing 2 near the outer wall of the active rod 21 is provided with a snap-fit groove 28, and the snap-fit block 211 engages with the snap-fit groove 28.
[0044] The locking block 211 engages with the locking slot 28 to limit the movement of the active rod 21 and prevent it from rotating.
[0045] Both ends of the upper surface of the mounting shell 2 are provided with flow grooves 212, and the upper ends of the two end straps 25 pass through the flow grooves 212 and are connected to each other.
[0046] The circulation groove 212 facilitates the unfolding of the carrying strap 25.
[0047] Both ends of the inner wall of the flow channel 212 are rotatably connected to guide rollers 213, and the middle part of the outer wall of the guide rollers 213 is in close contact with the outer wall of the carrying rope 25.
[0048] The guide roller 213 helps to reduce the friction between the carrying rope 25 and the inner wall of the flow groove 212, making the carrying rope 25 slide more smoothly and reducing wear.
[0049] Working principle: During use, the user rotates the knob 26 on one side of the active rod 21 to drive the active rod 21 to rotate. The teeth 24 on the outer protective plate 23 of the active rod 21 mesh with the teeth 24 on the protective plate 23 of the driven rod 22, thereby driving the driven rod 22 to rotate in the opposite direction, realizing the synchronous release and retraction of the two side straps 25. The length of the straps 25 can be freely adjusted to switch between hand-carrying or shoulder-carrying mode. After adjustment, rotating the screw ring 29 drives the locking block 211 to engage with the locking groove 28 on the mounting shell 2, limiting the active rod 21 to prevent it from rotating on its own and keeping the length of the straps 25 fixed. The main unit is controlled by the switch 11 to open and close. The USB interface enables data transmission and device connection, and the speaker hole 13 ensures sound output.
[0050] The following points should be noted in this article:
[0051] 1. The accompanying drawings of the embodiments disclosed herein only relate to the structures involved in the embodiments disclosed herein; other structures can be referred to in general design.
[0052] 2. Where there is no conflict, the embodiments of this disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.
[0053] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing specific embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A mini-host for portable audio devices, comprising a mini-host (1), characterized in that: The upper part of the outer wall of one side of the mini host (1) is fixedly connected to the mounting shell (2). The front end and the rear end of the inner wall of the mounting shell (2) are respectively rotatably connected to the active rod (21) and the driven rod (22). One side of the active rod (21) penetrates the mounting shell (2) to the outside of the mounting shell (2) and is provided with an external thread (27). Two protective discs (23) are fixedly connected to the other side of the outer wall of the active rod (21) and the driven rod (22). The side of the outer wall of the active rod (21) and the driven rod (22) near the protective disc (23) is fixedly wrapped with a rope (25) in a spiral shape. The outer wall of the external thread (27) is threaded with a screw ring (29). The inner wall of the screw ring (29) is rotatably connected with a rotating ring (210). The outer wall of the other side of the rotating ring (210) is fixedly connected with multiple snap-fit blocks (211).
2. The mini host for a portable audio device according to claim 1, characterized in that: A switch (11) is provided on the upper part of the outer wall of the other side of the mini host (1), a USB interface (12) is provided on one side of the upper surface of the mini host (1), and multiple speaker holes (13) are provided on the outer wall of the front end of the mini host (1).
3. A mini host for a portable audio device according to claim 1, characterized in that: The outer wall of the protective disc (23) on the adjacent side is in close contact with the outer wall of the carrying rope (25).
4. A mini host for a portable audio device according to claim 1, characterized in that: The outer wall of the protective disc (23) is fixedly connected with multiple teeth (24), and the teeth (24) at both ends are respectively engaged with each other.
5. A mini host for a portable audio device according to claim 1, characterized in that: A knob (26) is fixedly connected to one side of the active rod (21).
6. A mini host for a portable audio device according to claim 1, characterized in that: The mounting shell (2) is provided with a snap-fit groove (28) at the edge of the outer wall near the active rod (21), and the snap-fit block (211) is engaged with the snap-fit groove (28).
7. A mini host for a portable audio device according to claim 1, characterized in that: The upper surface of the mounting shell (2) has flow grooves (212) at both ends, and the upper ends of the two straps (25) pass through the flow grooves (212) and are connected to each other.
8. A mini host for a portable audio device according to claim 7, characterized in that: Both ends of the inner wall of the flow groove (212) are rotatably connected to guide rollers (213), and the middle part of the outer wall of the guide rollers (213) is closely fitted with the outer wall of the carrying rope (25).