Plug-in structure of a bone conduction hearing aid
By using square protrusions to engage with through holes and fixing with pins, combined with elastic metal wires and silicone protection, the wear and detachment problems of bone conduction hearing aid connectors are solved, improving reliability and durability, and making them suitable for high-frequency vibration scenarios.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZUODIAN IND (HUBEI) CO LTD
- Filing Date
- 2025-06-24
- Publication Date
- 2026-07-14
AI Technical Summary
The plug-in structure of traditional bone conduction hearing aids is prone to wear and tear on the clips and failure of the glue due to frequent plugging and unplugging during long-term use, resulting in loose or detached parts, which affects the reliability and portability of use.
The design employs square protrusions and through holes for mating and pins for fixation, combined with elastic metal wires and silicone protection. The standardized plug-in assembly ensures a secure connection of components and prevents wear and detachment.
It improves the reliability, durability, and assembly efficiency of the bone conduction hearing aid connector structure, prevents parts from falling off, simplifies the maintenance process, and adapts to high-frequency vibration environments.
Smart Images
Figure CN224503512U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of bone conduction hearing aid technology, specifically to a plug-in structure for a bone conduction hearing aid. Background Technology
[0002] In the design of bone conduction hearing aids, the plug-in structure is a core component that connects the back hook, ear hook, battery compartment, speaker compartment, and other parts. Its reliability and portability directly affect the user experience of the product.
[0003] Traditional plug-in structures often employ simple plug-in or single-clip designs, such as using plastic clips or glue to fix the ear hook and battery compartment. Over long-term use, frequent plugging and unplugging can cause clip wear and glue failure, leading to problems such as loosening and falling off of components, thus reducing the reliability of use. To address this, we propose a plug-in structure for bone conduction hearing aids. Utility Model Content
[0004] The purpose of this invention is to provide a connection structure for a bone conduction hearing aid to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a plug-in structure for a bone conduction hearing aid, comprising a bone conduction hearing aid body, wherein the bone conduction hearing aid body includes a rear hook, a battery mainboard compartment, an ear hook, and a speaker compartment, wherein the battery mainboard compartment and the speaker compartment are respectively disposed within the housing and the cover plate;
[0006] The rear mount and the battery motherboard compartment, the ear hook and the battery motherboard compartment, and the ear hook and the speaker compartment are all connected by plug-in components. The plug-in components include a first plug-in structure, a second plug-in structure, and a third plug-in structure. The end of the second plug-in structure is provided with a square protrusion. The first plug-in structure has a square through hole adapted to the square protrusion, and the square protrusion is inserted into the square through hole. The square protrusion has a first through hole. The first plug-in structure has a second through hole and a first blind hole communicating with the square through hole. One end of the pin passes through the second through hole and the first through hole in sequence and is inserted into the first blind hole. The other end of the pin is accommodated in the second blind hole of the third plug-in structure.
[0007] Preferably, the first blind hole is configured as a notch structure.
[0008] Preferably, both the rear hook and the ear hook are provided with elastic metal wires, the elastic metal wires are covered with elastic silicone, and the elastic silicone does not cover the shells of the first plug structure and the third plug structure. When the second plug structure is plugged into the first plug structure, the internal wires cannot move axially.
[0009] Preferably, the connection point between the second plug-in structure and the first plug-in structure is made of plastic, and the pin is made of metal.
[0010] Preferably, the first plug-in structure, the second plug-in structure, and the third plug-in structure are axially fixed by means of pins passing through the first blind hole, the first through hole, and the second blind hole.
[0011] Compared with existing technologies, the advantages of this invention are as follows: The square protrusions and through holes, along with the pins for fixation, ensure a stable connection between the back hook, ear hook, and each housing, preventing components from falling off. The elastic metal wires inside the back hook and ear hook are coated with silicone, protecting the wires from wear and restricting their movement, thus solving the problem of easily damaged wires. The standardized plug-in component design simplifies the assembly process, facilitates modular maintenance, and the notch structure of the first blind hole accommodates demolding requirements, preventing shell cracking and improving the reliability, durability, and assembly efficiency of the bone conduction hearing aid plug-in structure. Attached Figure Description
[0012] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0013] Figure 2 This is a schematic diagram of the shell structure of this utility model;
[0014] Figure 3 This is a schematic diagram of the planar structure of the plug-in structure of this utility model.
[0015] In the diagram: 101, bone conduction hearing aid body; 102, rear hook; 103, battery mainboard compartment; 104, ear hook; 105, speaker compartment; 1, first plug-in structure; 2, second plug-in structure; 3, third plug-in structure; 4, first blind hole; 5, second blind hole; 6, first through hole; 7, second through hole; 8, pin; 9, square protrusion; 10, square through hole; 11, shell; 12, cover plate. Detailed Implementation
[0016] 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 of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0017] Please see Figure 1-3 The present invention provides the following technical solution:
[0018] Example 1: A bone conduction hearing aid insertion structure, including a bone conduction hearing aid body 101, the bone conduction hearing aid body 101 including a rear hook 102, a battery mainboard compartment 103, an ear hook 104 and a speaker compartment 105, the battery mainboard compartment 103 and the speaker compartment 105 are respectively disposed in the housing 11 and the cover plate 12.
[0019] The rear hook 102 is connected to the battery mainboard compartment 103, the ear hook 104 is connected to the battery mainboard compartment 103, and the ear hook 104 is connected to the speaker compartment 105 via plug-in components. The plug-in components include a first plug-in structure 1, a second plug-in structure 2, and a third plug-in structure 3. The end of the second plug-in structure 2 is provided with a square protrusion 9. The first plug-in structure 1 has a square through hole 10 that is adapted to the square protrusion 9, and the square protrusion 9 is inserted into the square through hole 10. The square protrusion 9 has a first through hole 6. The first plug-in structure 1 has a second through hole 7 and a first blind hole 4 that communicate with the square through hole 10. One end of the pin 8 passes through the second through hole 7 and the first through hole 6 in sequence and is inserted into the first blind hole 4. The other end of the pin 8 is accommodated in the second blind hole 5 of the third plug-in structure 3.
[0020] When using the bone conduction hearing aid 101, align the square protrusion 9 at the end of the rear hook 102 with the square through hole 10 in the housing 11 of the battery mainboard compartment 103, and insert it vertically to the bottom. At this time, the first through hole 6 of the square protrusion 9 is aligned with the second through hole 7 and the first blind hole 4 of the housing 11. Insert the pin 8 from the outside of the second through hole 7, pass through the first through hole 6, and then insert it into the first blind hole 4 to achieve axial fixation between the rear hook 102 and the battery mainboard compartment 103. Similarly, the ear hook 104 is connected to the battery mainboard compartment 103 and the speaker compartment 105 in the same way to ensure a stable connection of each component. During use, the pin 8 restricts the radial movement of the rear hook 102 and the ear hook 104, and the cooperation between the square protrusion 9 and the square through hole 10 prevents the components from rotating axially, ensuring the structural stability of the hearing aid when worn.
[0021] Example 2: The technical solution of this example, which differs from that of Example 1, is as follows: the first blind hole 4 is set as a notch structure, and elastic metal wires are set inside the rear hook 102 and the ear hook 104. The elastic metal wires are covered with elastic silicone, and the elastic silicone does not cover the shell of the first plug structure 1 and the third plug structure 3. When the second plug structure 2 is plugged into the first plug structure 1, the internal wires cannot move axially. The plug-in part of the second plug structure 2 and the first plug structure 1 is made of plastic, and the pin 8 is made of metal. The first plug structure 1, the second plug structure 2, and the third plug structure 3 are axially fixed by the pin 8 passing through the first blind hole 4, the first through hole 6, and the second blind hole 5.
[0022] In use, after inserting the square protrusions 9 of the rear hook 102 and ear hook 104 into the corresponding square through holes 10 of the outer shell, the pin 8 passes through the second through hole 7 and the first through hole 6 and is inserted into the first blind hole 4, which is designed with a notch. Due to the notch design of the first blind hole 4, the pin 8 can adapt to the draft angle when inserted, avoiding jamming. At the same time, axial limiting is achieved through the contact between the notch edge and the pin 8. The elastic metal wires inside the rear hook 102 and ear hook 104 are covered with elastic silicone. During insertion, the elastic silicone forms a buffer with the shell 11, preventing damage to the internal wires due to hard contact. Since the elastic silicone does not cover the outer shell, the wires are restricted to a fixed path during insertion and cannot move axially under external force, preventing the wires from breaking or making poor contact due to pulling. The pin 8 passes through the first blind hole 4, the first through hole 6, and the second blind hole 5 of the cover plate 12, forming a triple fixing structure of "shell-connector-cover plate". The fit between the metal pin 8 and the plastic connector ensures connection strength while preventing the plastic parts from cracking due to stress concentration, making it suitable for high-frequency vibration scenarios in bone conduction hearing aids.
[0023] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A connector structure for a bone conduction hearing aid, comprising a bone conduction hearing aid body (101), a first connector structure (1), a second connector structure (2), a third connector structure (3), a first blind hole (4), a second blind hole (5), a first through hole (6), and a pin (8), characterized in that: The bone conduction hearing aid body (101) includes a rear hook (102), a battery mainboard compartment (103), an ear hook (104), and a speaker compartment (105). The battery mainboard compartment (103) and the speaker compartment (105) are respectively disposed in the housing (11) and the cover plate (12). The first plug-in structure (1), the second plug-in structure (2), and the third plug-in structure (3) are axially fixed by a pin (8) passing through the first blind hole (4), the first through hole (6), and the second blind hole (5). The rear hanger (102) is connected to the battery motherboard compartment (103), the ear hook (104) is connected to the battery motherboard compartment (103), and the ear hook (104) is connected to the speaker compartment (105) by plug-in components. The plug-in components include the first plug-in structure (1), the second plug-in structure (2), and the third plug-in structure (3). The end of the second plug-in structure (2) is provided with A square protrusion (9) is placed. The first plug-in structure (1) has a square through hole (10) that is adapted to the square protrusion (9). The square protrusion (9) is inserted into the square through hole (10). The square protrusion (9) has a first through hole (6). The first plug-in structure (1) has a second through hole (7) and a first blind hole (4) that are connected to the square through hole (10). One end of the pin (8) passes through the second through hole (7) and the first through hole (6) in sequence and is inserted into the first blind hole (4). The other end of the pin (8) is accommodated in the second blind hole (5) of the third plug-in structure (3).
2. The insertion structure of a bone conduction hearing aid according to claim 1, characterized in that: The first blind hole (4) is configured as a notch structure.
3. The insertion structure of a bone conduction hearing aid according to claim 1, characterized in that: Both the rear hook (102) and the ear hook (104) are provided with elastic metal wires. The elastic metal wires are covered with elastic silicone, and the elastic silicone does not cover the shells of the first plug structure (1) and the third plug structure (3). When the second plug structure (2) is plugged into the first plug structure (1), the internal wires cannot move axially.
4. The insertion structure of a bone conduction hearing aid according to claim 1, characterized in that: The second plug-in structure (2) and the first plug-in structure (1) are made of plastic, and the pin (8) is made of metal.