Special MMCX female coaxial connector for earphone

By designing a special MMCX female coaxial connector for headphones, using cavity plug-in and gold-plated design, the existing connectors are not stable and signal breaking problems, achieving more stable signal transmission and higher sound quality fidelity.

CN222868234UActive Publication Date: 2025-05-13SHENZHEN SIHANMING TECH
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Patent Information

Application Number
CN202421734230.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-19
Publication Date
2025-05-13
Estimated Expiration
2034-07-19

AI Technical Summary

Technical Problem

The existing MMCX connector for headphones has problems such as unstable connection and interruption of signals, which affects the normal use and sound quality of the headphones.

Method used

A special MMCX female coaxial connector for headphones is designed, which adopts the interfacing of the cavity inside the female outer conductor and the male outer conductor. The socket of the female center needle is suitable for the size of the male outer conductor, and a gold-plated layer is placed on the contact surface. The insulator is made of high-temperature and wear-resistant materials.

Benefits of technology

It effectively avoids the problems of unstable connection and intermittent signal, improves the stability of signal transmission and the clarity and fidelity of sound quality, while increasing the user's convenience of operation and the service life of the connector.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of earphone accessories, in particular to a special MMCX female coaxial connector for earphones, which comprises a female head center pin, a female head insulator sleeved in the middle of the female head center pin, a female head outer conductor sleeved outside the female head insulator, a male head connected with one end of the female head center pin, a female head center pin connected with the male head center pin, and a female head outer conductor sleeved outside the female head center pin. The male head center pin is sleeved with a male head insulator, and the male head insulator is sleeved with a male head outer conductor. According to the special MMCX female coaxial connector for the earphone, the connector adopts the design that the cavity in the female head outer conductor is matched with the male head outer conductor in a plugging manner, and the jack of the female head center pin is matched with one end of the male head outer conductor in size, so that the stability and the reliability of connection are ensured, and the problems of unstable connection and discontinuous signals are effectively avoided. The contact surface of the female head center pin and the male head center pin is provided with the gold-plated layer, thereby not only improving the stability of signal transmission, but also effectively reducing the signal loss, and guaranteeing the definition and fidelity of the tone quality.
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Description

Technical Field

[0001] The utility model relates to the technical field of earphone accessories, in particular to an MMCX female coaxial connector dedicated to earphones. Background Art

[0002] In the field of headphone accessories technology, connectors serve as a bridge for signal transmission between headphones and audio devices, and their performance is directly related to the user experience of headphones. With the continuous advancement of audio technology and consumers' increasing requirements for sound quality, headphone connectors must not only have stable connection performance, but also ensure continuous and lossless signal transmission.

[0003] The MMCX interface is a coaxial RF connector. However, some existing earphone-specific MMCX connectors still have many problems in actual use, such as unstable connection, intermittent signal, etc. These problems not only affect the normal use of the earphones, but may also damage the sound quality and reduce the user's listening experience. Utility Model Content

[0004] The purpose of the utility model is to provide a special MMCX female coaxial connector for headphones to solve the problems of unstable connection and intermittent signal etc. mentioned in the above background technology. These problems not only affect the normal use of headphones, but also may damage the sound quality and reduce the listening experience of users.

[0005] To achieve the above-mentioned purpose, the utility model provides an MMCX female coaxial connector dedicated to headphones, including a female center pin, a female insulator is sleeved on the middle part of the female center pin, a female outer conductor is sleeved on the outer part of the female insulator, one end of the female center pin is connected to a male head, the male head includes a male center pin, a male insulator is sleeved on the outer part of the male center pin, a male outer conductor is sleeved on the outer part of the male insulator, and a jack is provided at one end of the female center pin, and the jack is plugged and matched with one end of the male outer conductor.

[0006] Preferably, a cavity is provided inside the female outer conductor, and one end of the male outer conductor is plugged into and fitted in the cavity.

[0007] Preferably, a plurality of positioning posts are installed at one end of the female outer conductor.

[0008] Preferably, the inner wall of the cavity is provided with a circle of grooves, and the outer wall of the male outer conductor is installed with a circle of blocks.

[0009] Preferably, the jack is adapted to the size of one end of the male outer conductor.

[0010] Preferably, the surface of the male insulator is provided with an anti-slip texture to increase the holding stability and operation convenience of the user when plugging and unplugging.

[0011] Preferably, the contact surface between the female center pin and the male center pin is provided with a gold-plated layer to improve the stability of signal transmission and reduce signal loss.

[0012] Preferably, the female insulator is made of high temperature resistant and wear resistant insulating material to ensure the stability and safety of the connector under high temperature or long-term use.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] In this earphone-specific MMCX female coaxial connector, the connector adopts a plug-in matching design of the cavity inside the female outer conductor and the male outer conductor, and the socket of the female center pin is adapted to the size of one end of the male outer conductor, ensuring the stability and reliability of the connection, and effectively avoiding the problems of unstable connection and intermittent signal. The contact surface of the female center pin and the male center pin is set with a gold-plated layer. This design not only improves the stability of signal transmission, but also effectively reduces signal loss, ensuring the clarity and fidelity of sound quality. The surface of the male insulator is set with an anti-slip texture. This detail design increases the user's grip stability and operation convenience when plugging and unplugging, making the use of the connector smoother and more comfortable. The female insulator is made of high-temperature and wear-resistant insulating materials. This choice ensures the stability and safety of the connector under high temperature or long-term use, and extends the service life of the connector. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0017] Figure 3 It is a schematic diagram of the cooperation between the utility model and the male plug.

[0018] The meaning of each number in the figure is:

[0019] 1. Female center pin; 11. Socket; 2. Female insulator; 21. Clamp; 3. Female outer conductor; 31. Cavity; 311. Clamping groove; 32. Positioning column; 4. Male center pin; 5. Male insulator; 6. Male outer conductor; 61. Clamping block. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] The utility model provides a special MMCX female coaxial connector for headphones, such as Figure 1-Figure 3 As shown, it includes a female center pin 1, the middle part of the female center pin 1 is provided with a female insulator 2, the outer part of the female insulator 2 is provided with a female outer conductor 3, one end of the female center pin 1 is connected to a male head, the male head includes a male center pin 4, the outer part of the male center pin 4 is provided with a male insulator 5, the outer part of the male insulator 5 is provided with a male outer conductor 6, one end of the female center pin 1 is provided with a jack 11, and the jack 11 is plugged with one end of the male outer conductor 6. The connector uses the female center pin 1 as the core component, and the female insulator 2 and the female outer conductor 3 are sequentially sleeved on the outside, forming a stable and reliable internal structure. This design effectively prevents interference and loss during signal transmission and ensures stable signal transmission. One end of the female center pin 1 is provided with a jack 11, which is plugged with one end of the male outer conductor 6. This design makes the connection between the male and female heads tighter and more stable, effectively avoids the problems of unstable connection and intermittent signal, and improves the user experience of the headset. Through the design of the female insulator 2 and the male insulator 5, effective isolation and transmission of signals are achieved. This design prevents mutual interference and loss of signals during transmission, ensuring the clarity and fidelity of sound quality. A clamping ring 21 is installed in the middle of the female insulator 2, and the clamping ring 21 is clamped on one end of the female outer conductor 3.

[0022] In this embodiment, a cavity 31 is provided inside the female outer conductor 3, and one end of the male outer conductor 6 is plugged into and matched with the cavity 31, so as to facilitate a tight fit.

[0023] Specifically, a plurality of positioning posts 32 are installed at one end of the female outer conductor 3 to facilitate fixing one end of the female outer conductor 3 to the outside.

[0024] Furthermore, a circle of clamping grooves 311 is provided on the inner wall of the cavity 31 , and a circle of clamping blocks 61 is installed on the outer wall of the male outer conductor 6 , so as to facilitate the connection and cooperation between the cavity 31 and the male outer conductor 6 .

[0025] Furthermore, the size of the jack 11 matches that of one end of the male outer conductor 6, facilitating plug-in fit.

[0026] Furthermore, the surface of the male insulator 5 is provided with an anti-slip texture to increase the holding stability and operation convenience of the user when plugging and unplugging.

[0027] Furthermore, the contact surface between the female center pin 1 and the male center pin 4 is provided with a gold-plated layer to improve the stability of signal transmission and reduce signal loss.

[0028] Furthermore, the female insulator 2 is made of high temperature resistant and wear resistant insulating material to ensure the stability and safety of the connector under high temperature or long-term use.

[0029] When the earphone-specific MMCX female coaxial connector of the utility model is used, the female center pin 1 is the core component responsible for signal transmission. The female insulator 2 and the female outer conductor 3 are sequentially sleeved on the outside to form a stable and reliable internal structure. This multi-layer design effectively prevents interference and loss of signals during transmission, ensuring stable signal transmission.

[0030] When the headset needs to be connected, the user inserts the male connector into the female connector. The male connector includes a male center pin 4, and the outer portion of the male connector is also covered with a male insulator 5 and a male outer conductor 6 in sequence. One end of the female center pin 1 is provided with a jack 11, which is adapted to the size of one end of the male outer conductor 6 to achieve a tight plug-in fit. This design makes the connection between the male connector and the female connector more stable, effectively avoiding the problems of unstable connection and intermittent signal.

[0031] During the plugging process, one end of the male outer conductor 6 is inserted into the cavity 31 inside the female outer conductor 3, and the card slot 311 on the inner wall of the cavity 31 cooperates with the card block 61 on the outer wall of the male outer conductor 6 to achieve a tighter connection. At the same time, the positioning column 32 at one end of the female outer conductor 3 also plays a fixing role, so that the female connector can be stably fixed on the external device.

[0032] During signal transmission, the contact surface of the female center pin 1 and the male center pin 4 is provided with a gold-plated layer, which improves the stability of signal transmission and reduces signal loss. At the same time, the design of the female insulator 2 and the male insulator 5 also realizes effective isolation and transmission of signals, preventing mutual interference and loss of signals during transmission.

[0033] In addition, the surface of the male insulator 5 is also provided with an anti-slip texture, which increases the user's grip stability and operation convenience when plugging and unplugging. The female insulator 2 is made of high temperature resistant and wear resistant insulating material to ensure the stability and safety of the connector under high temperature or long-term use.

[0034] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. An MMCX female coaxial connector for headphones, comprising a female center pin (1), characterized in that: The middle part of the female center pin (1) is sleeved with a female insulator (2), the outer part of the female insulator (2) is sleeved with a female outer conductor (3), one end of the female center pin (1) is connected to a male connector, the male connector includes a male center pin (4), the outer part of the male center pin (4) is sleeved with a male insulator (5), the outer part of the male insulator (5) is sleeved with a male outer conductor (6), one end of the female center pin (1) is provided with a socket (11), and the socket (11) is plugged into and matched with one end of the male outer conductor (6).

2. The earphone-specific MMCX female coaxial connector according to claim 1, characterized in that: A cavity (31) is provided inside the female outer conductor (3), and one end of the male outer conductor (6) is plugged into and fitted with the cavity (31).

3. The earphone-specific MMCX female coaxial connector according to claim 1, characterized in that: A plurality of positioning posts (32) are installed at one end of the female outer conductor (3).

4. The earphone-specific MMCX female coaxial connector according to claim 2, characterized in that: The inner wall of the cavity (31) is provided with a circle of clamping grooves (311), and the outer wall of the male outer conductor (6) is installed with a circle of clamping blocks (61).

5. The earphone-specific MMCX female coaxial connector according to claim 1, characterized in that: The plug hole (11) is adapted to the size of one end of the male outer conductor (6).

6. The earphone-specific MMCX female coaxial connector according to claim 1, characterized in that: The surface of the male insulator (5) is provided with an anti-slip texture.

7. The earphone-specific MMCX female coaxial connector according to claim 1, characterized in that: The contact surfaces of the female center needle (1) and the male center needle (4) are provided with a gold-plated layer.

8. The earphone-specific MMCX female coaxial connector according to claim 1, characterized in that: The female insulator (2) is made of high temperature resistant and wear resistant insulating material.