Box-type hearing aid PCB mainboard fixer
By designing a PCB motherboard holder for box-type hearing aids, the problem of low welding and testing efficiency in existing technologies has been solved, thereby improving hearing aid production efficiency and yield.
Patent Information
- Application Number
- CN202520638376.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-07
- Publication Date
- 2026-03-06
- Estimated Expiration
- 2035-04-07
AI Technical Summary
There is a lack of an effective PCB board holder for box-type hearing aids in the current technology, which is particularly inefficient in the soldering and testing processes.
A box-type hearing aid PCB board holder is designed, including a housing, a negative battery electrode holder, and a positive battery electrode holder. It is positioned with the circuit board by positioning posts and provides a mounting structure for battery electrode fixing and circuit board mounting, suitable for soldering and testing.
This improved the soldering and production efficiency of the PCB motherboard for box-type hearing aids, increased the yield rate, and ensured the normal operation of the hearing aids.
Smart Images

Figure CN223978755U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of box-type hearing aid manufacturing technology, specifically to a box-type hearing aid PCB motherboard holder. Background Technology
[0002] The PCB mainboard of a box-type hearing aid amplifies the weak sound signals collected by the microphone. Through amplifiers and other electronic components, the signal is amplified to an intensity suitable for the patient's hearing needs, allowing them to hear sounds more clearly. It also stabilizes and converts the power supplied by the battery, providing appropriate voltage and current to various electronic components to ensure the hearing aid functions properly. Additionally, it features battery power monitoring, alerting the patient via indicator lights and sound when the battery is low to replace it. A box-type hearing aid PCB mainboard holder is needed for testing and securing the PCB mainboard to assist in the production of box-type hearing aids. Summary of the Invention
[0003] The purpose of this application is to provide a PCB motherboard holder for a box-type hearing aid, in order to solve the problem in the prior art that there is a need for a PCB motherboard holder for testing and fixing the PCB motherboard of a box-type hearing aid to assist in the production of box-type hearing aids.
[0004] To achieve the above objectives, this application provides a PCB motherboard holder for a box-type hearing aid, comprising: a housing, a negative battery electrode fixing part, a positive battery electrode fixing part, a first positioning post, and a second positioning post, wherein...
[0005] The housing includes a base, a first side wall, a second side wall, a third side wall, and a fourth side wall. The first side wall, the second side wall, the third side wall, and the fourth side wall are respectively disposed on the upper, lower, left, and right sides of the base. The negative battery electrode fixing part is disposed on the left end of the base, and the positive battery electrode fixing part is disposed on the right end of the base. One end of the first positioning post and the second positioning post are connected to the base, and the other end extends away from the base.
[0006] Optionally, the negative battery electrode fixing part includes: a negative battery electrode slot, a first groove, a second groove, a first protrusion, a second protrusion, and a third protrusion, wherein,
[0007] The negative battery electrode slot has a first protrusion, a second protrusion, and a third protrusion on its left side and upper and lower sides, respectively, which together form the negative battery electrode slot.
[0008] Optionally, the first groove is formed between the first protrusion and the second protrusion, the second groove is formed between the first protrusion and the third protrusion, and a first clamping slot is provided between the second protrusion and the third sidewall.
[0009] Optionally, the positive battery electrode fixing part includes: a positive battery electrode slot, a third groove, a fourth groove, a fourth protrusion, a fifth protrusion, and a sixth protrusion, wherein,
[0010] The right side and the top and bottom sides of the positive battery electrode slot are respectively provided with the fourth protrusion, the fifth protrusion and the sixth protrusion, which together form the positive battery electrode slot.
[0011] Optionally, a third groove is formed between the fourth protrusion and the fifth protrusion, a fourth groove is formed between the fourth protrusion and the sixth protrusion, and a second clamping slot is also provided between the rear part of the fifth protrusion and the upper end of the fourth protrusion.
[0012] Optionally, a first notch penetrating the first sidewall is provided at the left end of the first sidewall.
[0013] Optionally, a second notch is provided at the connection between the first sidewall and the fourth sidewall, penetrating through the first sidewall and the fourth sidewall.
[0014] Optionally, the lower end of the fourth sidewall is provided with a third notch that penetrates the fourth sidewall.
[0015] The embodiments of this application have the following advantages:
[0016] Compared with existing technologies, the PCB motherboard holder for box-type hearing aids provided by the above technical solution is used to assist in the production of box-type hearing aids. Specifically, when soldering the positive and negative battery terminals and microphone of the box-type hearing aid PCB motherboard, the positive and negative battery terminals and the PCB motherboard are first fixed on the holder before the soldering operation is performed. This improves soldering efficiency, and after soldering, the box-type hearing aid PCB motherboard can be tested by installing batteries, thus improving production efficiency and yield. Attached Figure Description
[0017] To more clearly illustrate the embodiments of this application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are merely exemplary, and those skilled in the art can derive other embodiments based on the provided drawings without creative effort.
[0018] Figure 1 A front view of a PCB board holder for a box-type hearing aid provided for at least one embodiment of this application;
[0019] Figure 2 A top view of a box-type hearing aid PCB motherboard holder provided for at least one embodiment of this application;
[0020] Figure 3 A side view of a box-type hearing aid PCB board holder provided for at least one embodiment of this application.
[0021] Explanation of reference numerals in the attached figures:
[0022] 1. Housing; 2. Base; 3. First sidewall; 4. Second sidewall; 5. Third sidewall; 6. Fourth sidewall; 7. Negative battery electrode fixing part; 8. Negative battery electrode slot; 9. Positive battery electrode fixing part; 10. Positive battery electrode slot; 11. First notch; 12. Second notch; 13. Third notch; 14. First positioning post; 15. Second positioning post; 16. First groove; 17. Second groove; 18. Third groove; 19. Fourth groove; 20. First protrusion; 21. Second protrusion; 22. Third protrusion; 23. Fourth protrusion; 24. Fifth protrusion; 25. Sixth protrusion. Detailed Implementation
[0023] The following specific embodiments illustrate the implementation of this application. Those skilled in the art can easily understand other advantages and effects of this application from the content disclosed in this specification. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.
[0024] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used solely for the convenience of describing this application and for simplification, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, the terms "first," "second," and "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Unless otherwise expressly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; a mechanical connection or an electrical connection; a direct connection or an indirect connection through an intermediate medium; or a connection within two elements. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.
[0025] Furthermore, the technical features involved in the different embodiments of this application described below can be combined with each other as long as they do not conflict with each other.
[0026] This application provides a PCB motherboard holder for a box-type hearing aid, see reference. Figures 1 to 3 ,include:
[0027] 1. Housing; 7. Negative battery electrode fixing part; 9. Positive battery electrode fixing part; 14. First positioning post; 15.
[0028] The housing 1 includes a base 2, a first side wall 3, a second side wall 4, a third side wall 5, and a fourth side wall 6. The first side wall 3, the second side wall 4, the third side wall 5, and the fourth side wall 6 are respectively disposed on the top, bottom, left, and right sides of the base 2. The negative battery electrode fixing part 7 is disposed on the left end of the base 2, and the positive battery electrode fixing part 9 is disposed on the right end of the base 2. One end of the first positioning post 14 and the second positioning post 15 is connected to the base 2, and the other end extends away from the base 2.
[0029] Specifically, the fixture is box-shaped, with the circuit board placed inside the four side walls. The first positioning post 14 and the second positioning post 15 inside the fixture engage with the positioning holes on the circuit board to secure it. The negative battery electrode fixing part 7 and the positive battery electrode fixing part 9 secure the battery and contact the negative and positive terminals of the battery respectively, supplying power to the circuit board for power-on testing.
[0030] In some embodiments, the negative battery electrode fixing portion 7 includes: a negative battery electrode slot 8, a first groove 16, a second groove 17, a first protrusion 20, a second protrusion 21, and a third protrusion 22, wherein,
[0031] The negative battery electrode slot 8 has a first protrusion 20, a second protrusion 21, and a third protrusion 22 respectively on its left side and upper and lower sides, and the first protrusion 20, the second protrusion 21, and the third protrusion 22 form the negative battery electrode slot 8.
[0032] The first groove 16 is formed between the first protrusion 20 and the second protrusion 21, the second groove 17 is formed between the first protrusion 20 and the third protrusion 22, and the first clamping seam is provided between the second protrusion 21 and the third sidewall 5.
[0033] Specifically, after the circuit board is installed on the fixture, one end of the connecting piece of the negative battery electrode of the circuit board is stuck in the second groove 17, and the other end is stuck in the first groove 16 and the first clamping seam. The contact piece between the negative battery electrode and the battery is located in the negative battery electrode slot 8.
[0034] In some embodiments, the positive battery electrode fixing portion 9 includes: a positive battery electrode slot 10, a third groove 18, a fourth groove 19, a fourth protrusion 23, a fifth protrusion 24, and a sixth protrusion 25, wherein,
[0035] The positive battery electrode slot 10 is provided with the fourth protrusion 23, the fifth protrusion 24 and the sixth protrusion 25 on the right side and the upper and lower sides respectively, and the fourth protrusion 23, the fifth protrusion 24 and the sixth protrusion 25 form the positive battery electrode slot 10.
[0036] The third groove 18 is formed between the fourth protrusion 23 and the fifth protrusion 24, and the fourth groove 19 is formed between the fourth protrusion 23 and the sixth protrusion 25. A second clamping seam is also provided between the rear part of the fifth protrusion 24 and the upper end of the fourth protrusion 23.
[0037] Specifically, after the circuit board is installed on the fixture, one end of the connecting piece of the positive battery electrode of the circuit board is locked in the fourth groove 19, and the other end is locked in the third groove 18 and the second clamping seam. The contact piece between the positive battery electrode and the battery is located in the positive battery electrode slot 10.
[0038] In some embodiments, a first notch 11 penetrating through the first sidewall 3 is provided at the left end of the first sidewall 3.
[0039] In some embodiments, a second notch 12 is provided at the connection between the first sidewall 3 and the fourth sidewall 6, penetrating the first sidewall 3 and the fourth sidewall 6.
[0040] In some embodiments, the lower end of the fourth sidewall 6 is provided with a third notch 13 that penetrates the fourth sidewall 6.
[0041] Specifically, after the circuit board is installed on the fixture, the headphone jack on the circuit board is located at the first notch 11, and the headphone connector can pass through the first notch 11 to connect to the headphone jack; the microphone and potentiometer on the circuit board are located at the second notch 12, the sound passes through the second notch 12 and is picked up by the microphone, and the resistance value of the potentiometer can be adjusted through the second notch 12; the Type-C interface on the circuit board is located at the third notch 13, and the Type-C data cable connector can pass through the third notch 13 to connect to the Type-C interface.
[0042] In some embodiments, the fastener is made of bakelite. Bakelite is heat-resistant and insulating, capable of withstanding the 320-degree Celsius high temperature of welding, and its insulating properties also facilitate electrical testing.
[0043] In summary, compared with existing technologies, the PCB motherboard holder for box-type hearing aids provided by the above technical solution assists in the production of box-type hearing aids. Specifically, when soldering the positive and negative battery terminals and microphone of the box-type hearing aid PCB motherboard, the positive and negative battery terminals and the PCB motherboard are first fixed on the holder before the soldering operation is performed. This improves soldering efficiency, and after soldering, the box-type hearing aid PCB motherboard can be tested by installing batteries, thus improving production efficiency and yield.
[0044] Note that, unless otherwise explicitly stated, all features disclosed in this specification (including any appended claims, abstract, and drawings) may be replaced by alternative features for achieving the same, equivalent, or similar purpose. Therefore, unless explicitly stated otherwise, each disclosed feature is merely one example of a set of equivalent or similar features. Where used, "further," "preferably," "even further," and "more preferably" are simple starting points for describing another embodiment based on the foregoing embodiments, the combination of which with the foregoing embodiments constitutes the complete configuration of another embodiment. Any combination of several "further," "preferably," "even further," or "more preferably" settings following the same embodiment constitutes yet another embodiment.
[0045] In the implementation of functions and steps, the corresponding functions and steps in the various embodiments may occur in a different order than those shown. For example, two consecutive functions and steps may actually be executed or implemented substantially in parallel, and they may sometimes be executed or implemented in reverse order, depending on the functions involved.
[0046] Although this application has been described in detail above with general descriptions and specific embodiments, some modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, all such modifications or improvements made without departing from the spirit of this application fall within the scope of protection claimed in this application.
Claims
1. A cartridge hearing aid PCB main board holder, characterized in that, The box-type hearing aid PCB mainboard fixer comprises a shell, a negative battery pole fixing part, a positive battery pole fixing part, a first positioning column and a second positioning column. The shell comprises a base, a first side wall, a second side wall, a third side wall and a fourth side wall, the first side wall, the second side wall, the third side wall and the fourth side wall are respectively arranged on the upper and lower left and right sides of the base, the negative battery pole fixing part is arranged at the left end of the base, the positive battery pole fixing part is arranged at the right end of the base, one end of the first positioning column and the second positioning column is connected with the base, and the other end extends away from the base. The negative battery pole fixing part comprises a negative battery pole clamping groove, a first groove, a second groove, a first protruding part, a second protruding part and a third protruding part.
2. The cartridge hearing aid PCB motherboard holder of claim 1, wherein, The left side and the upper and lower sides of the negative battery pole clamping groove are respectively provided with the first protruding part, the second protruding part and the third protruding part, and the first protruding part, the second protruding part and the third protruding part surround the negative battery pole clamping groove.
3. The box-type hearing aid PCB mainboard fixer according to claim 2, wherein The first groove is arranged between the first protruding part and the second protruding part, the second groove is arranged between the first protruding part and the third protruding part, and the first clamping gap is arranged between the second protruding part and the third side wall. The positive battery pole fixing part comprises a positive battery pole clamping groove, a third groove, a fourth groove, a fourth protruding part, a fifth protruding part and a sixth protruding part.
4. The cartridge hearing aid PCB motherboard holder of claim 1, wherein, The right side and the upper and lower sides of the positive battery pole clamping groove are respectively provided with the fourth protruding part, the fifth protruding part and the sixth protruding part, and the fourth protruding part, the fifth protruding part and the sixth protruding part surround the positive battery pole clamping groove.
5. The box-type hearing aid PCB mainboard fixer according to claim 4, wherein The third groove is arranged between the fourth protruding part and the fifth protruding part, the fourth groove is arranged between the fourth protruding part and the sixth protruding part, and the second clamping gap is arranged between the rear part of the fifth protruding part and the upper end of the fourth protruding part.
6. The box-type hearing aid PCB mainboard fixer according to claim 1, wherein A first notch is arranged at the left end of the first side wall and penetrates the first side wall.
7. The box-type hearing aid PCB mainboard fixer according to claim 1, wherein A second notch is arranged at the connection between the first side wall and the fourth side wall and penetrates the first side wall and the fourth side wall.
8. The box-type hearing aid PCB mainboard fixer according to claim 1, wherein A third notch is arranged at the lower end of the fourth side wall and penetrates the fourth side wall.