A short body earphone socket connector

CN224804378UActive Publication Date: 2026-09-25DONGGUAN SANJI ELECTRONICS
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Patent Information

Application Number
CN202521867439.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-01
Publication Date
2026-09-25
Estimated Expiration
2035-09-01

AI Technical Summary

Technical Problem

[0002]在现有的耳机插座连接器技术中,部分产品存在结构设计不够合理的问题

Benefits of technology

[0013]本实用新型通过在本体顶端中部设置复数个圆柱,能够使产品在PCB板上准确定位,有效防止产品偏位,提高了装配的准确性和效率。常开开关端子与接地端子组成的常开开关,能够灵敏地侦测耳机插头是否插入,当耳机插头插入后,二者导通,客户端成品系统可及时感知,提升了产品的使用便利性。耳机插头插到位时,其端面与本体端面之间留有2mm的间隙,有利于机壳的设计,同时短体耳机插座连接器外露面为整体,塑胶头不会外露,增强了产品的美观度。本体采用塑胶材质制成,且插孔与耳机插头的连接处做倒角处理,便于耳机插头的插入,使用更加便捷。各端子通过弹性卡片或卡接部与相应的端子固定槽卡接,连接稳固可靠,保证了产品的正常工作性能。

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Abstract

The utility model discloses a short body earphone socket connector, including the body, the middle part of body is equipped with the jack that goes through the body, one side of body top is equipped with terminal fixed slot no.
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Description

Technical Field

[0001] This utility model relates to the field of headphone jack connector technology, specifically a short-body headphone jack connector. Background Technology

[0002] In existing headphone jack connector technology, some products suffer from inadequate structural design. For example, some headphone jack connectors are prone to inaccurate positioning or misalignment when mounted on a PCB board, affecting normal product use and assembly efficiency; in some products, the plastic head of the connector is exposed after the headphone plug is inserted, affecting the overall aesthetics of the product; and in other products, the fit between the headphone plug and the connector is not smooth, requiring considerable effort to insert, and the detection function for headphone plug insertion is not sensitive or reliable enough. These issues require further improvement. Utility Model Content

[0003] The purpose of this invention is to provide a short-body headphone jack connector to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a short-body headphone jack connector, comprising a body, wherein a through-hole is provided in the middle of the body, a terminal fixing groove 1 and a terminal fixing groove 2 are provided on one side of the top of the body, and a terminal fixing groove 3 and a terminal fixing groove 4 are provided on the other side of the top of the body, wherein a normally open switch terminal is inserted inside the terminal fixing groove 1, a left channel terminal is inserted inside the terminal fixing groove 2, a right channel terminal is inserted inside the terminal fixing groove 3, and a grounding terminal is inserted inside the terminal fixing groove 4.

[0005] The normally open switch terminal and the grounding terminal form a normally open switch. When the headphone plug is not inserted, the normally open switch terminal and the grounding terminal are disconnected. When the headphone plug is inserted, the normally open switch terminal and the grounding terminal are connected. The client's finished product system will detect that the headphone plug is inserted. When the headphone plug is inserted, there is a 2mm gap between the headphone plug end face and the body end face. This gap is to facilitate the design of the housing. The exposed surface of the short headphone jack connector is a whole, and the plastic head of the headphone jack connector is not exposed, making the product more aesthetically pleasing.

[0006] Preferably, a first elastic card is fixed on the normally open switch terminal, a second elastic card is fixed on the right channel terminal, and a third elastic card is fixed on the grounding terminal. Each of the first, second, and third elastic cards has a contact protrusion. One end of the left channel terminal has a snap-fit ​​part, and one side of the left channel terminal has a contact spring.

[0007] Preferably, the normally open switch terminal is engaged with the terminal fixing slot 1 via an elastic card 1, the right channel terminal is engaged with the terminal fixing slot 3 via an elastic card 2, the grounding terminal is engaged with the terminal fixing slot 4 via an elastic card 3, and the left channel terminal is engaged with the terminal fixing slot 4 via a engaging part.

[0008] Preferably, both the contact protrusion and the contact spring are placed inside the socket.

[0009] Preferably, a plurality of cylinders are fixed at the center of the top of the main body. The plurality of cylinders on the main body position the product on the PCB board and prevent the product from being misaligned.

[0010] Preferably, an earphone plug is inserted into the jack, and the gap between the end face of the earphone plug and the end face of the body is 2mm.

[0011] Preferably, the body is made of plastic, and the connection between the jack and the headphone plug is chamfered to facilitate the insertion of the headphone plug into the jack.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] This invention, by setting multiple cylinders at the center of the top of the main body, enables accurate positioning of the product on the PCB board, effectively preventing product misalignment and improving assembly accuracy and efficiency. The normally open switch, composed of a normally open switch terminal and a grounding terminal, can sensitively detect whether the headphone plug is inserted. When the headphone plug is inserted, the two are connected, allowing the client-side finished system to detect it promptly, improving the product's ease of use. When the headphone plug is fully inserted, a 2mm gap remains between its end face and the end face of the main body, which is beneficial for the housing design. Simultaneously, the exposed surface of the short-body headphone jack connector is a single piece, concealing the plastic head and enhancing the product's aesthetics. The main body is made of plastic, and the connection between the jack and the headphone plug is chamfered for easy insertion and convenient use. Each terminal is secured to the corresponding terminal fixing slot via elastic clips or snap-fit ​​parts, ensuring a stable and reliable connection and guaranteeing the product's normal operating performance. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of the present invention. Figure 1 ;

[0015] Figure 2 This is a schematic diagram of the structure of the present invention. Figure 2 ;

[0016] Figure 3 This is an exploded view of the present invention;

[0017] Figure 4 This is an assembly diagram of the main body and the headphone plug of this utility model;

[0018] Figure 5 This is a cross-sectional view of the assembly of the main body and the headphone plug of this utility model.

[0019] In the diagram: 1. Main body; 2. Normally open switch terminal; 3. Left channel terminal; 4. Right channel terminal; 5. Grounding terminal; 6. Socket; 7. Cylinder; 8. Elastic clip one; 9. Contact protrusion; 10. Snap-fit ​​part; 11. Contact spring; 12. Terminal fixing slot one; 13. Terminal fixing slot two; 14. Terminal fixing slot three; 15. Terminal fixing slot four; 16. Elastic clip two; 17. Elastic clip three; 18. Headphone plug. Detailed Implementation

[0020] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0021] Please see Figure 1-5 This utility model provides a short-body headphone jack connector, including a body 1. The body 1 has a through-hole 6 in the middle. One side of the top of the body 1 is provided with a terminal fixing groove 12 and a terminal fixing groove 13. The other side of the top of the body 1 is provided with a terminal fixing groove 3 14 and a terminal fixing groove 4 15. A normally open switch terminal 2 is inserted into the terminal fixing groove 12. A left channel terminal 3 is inserted into the terminal fixing groove 2 13. A right channel terminal 4 is inserted into the terminal fixing groove 3 14. A grounding terminal 5 is inserted into the terminal fixing groove 4 15.

[0022] A flexible card 1 8 is fixed on the normally open switch terminal 2, a flexible card 2 16 is fixed on the right channel terminal 4, and a flexible card 3 17 is fixed on the grounding terminal 5. The flexible card 1 8, the flexible card 2 16 and the flexible card 3 17 are all provided with contact protrusions 9. One end of the left channel terminal 3 is provided with a snap-fit ​​part 10, and one side of the left channel terminal 3 is provided with a contact spring 11.

[0023] Specifically, the first elastic card 8 is used to assemble the normally open switch terminal 2 onto the body 1, the second elastic card 16 is used to assemble the right channel terminal 4 onto the body 1, the third elastic card 17 is used to assemble the grounding terminal 5 onto the body 1, and the snap-fit ​​part 10 is used to assemble the left channel terminal 3 onto the body 1.

[0024] Normally open switch terminal 2 is engaged with terminal fixing slot 12 via elastic card 18; right channel terminal 4 is engaged with terminal fixing slot 3 14 via elastic card 2 16; grounding terminal 5 is engaged with terminal fixing slot 4 14 via elastic card 3 17; and left channel terminal 3 is engaged with terminal fixing slot 4 15 via engaging part 10.

[0025] Specifically, the snap-fit ​​method ensures that the connection between each terminal and the main body 1 is firm and not easy to loosen, thus ensuring the stable operation of the connector.

[0026] Both the contact protrusion 9 and the contact spring 11 are placed inside the socket 6.

[0027] Specifically, when the headphone plug 18 is inserted into the jack 6, the contact protrusion 9 and the contact spring 11 can make good contact with the headphone plug 18, thereby realizing the transmission of audio signals and the realization of the switching function.

[0028] A plurality of cylinders 7 are fixed at the middle of the top of the main body 1.

[0029] Specifically, cylinder 7 plays a positioning role when the product is installed onto the PCB board, accurately fixing the connector in the preset position on the PCB board, preventing misalignment during installation, and improving assembly accuracy.

[0030] An earphone plug 18 is inserted into the jack 6, and the gap between the end face of the earphone plug 18 and the end face of the body 1 is 2mm.

[0031] Specifically, the clearance setting provides convenient space in the housing design, allowing the housing to better fit with the connector.

[0032] The main body 1 is made of plastic, and the connection between the jack 6 and the headphone plug 18 is chamfered.

[0033] Specifically, the plastic material has good insulation and processing properties, making it suitable for manufacturing connector bodies; the chamfering treatment can reduce the resistance when inserting the headphone plug 18, making the insertion process smoother.

[0034] Working principle: When headphones are needed, the headphone plug 18 is inserted into the jack 6 of the main body 1. Because the connection between the jack 6 and the headphone plug 18 is chamfered, the insertion process is smooth. During insertion, the headphone plug 18 contacts the contact protrusion 9 and contact spring 11 inside the jack 6, enabling the transmission of left and right channel signals. Simultaneously, after the headphone plug 18 is inserted, the normally open switch terminal 2 and the ground terminal 5 are connected, and the client system detects that the headphone plug is inserted. When the headphone plug 18 is fully inserted, a 2mm gap is maintained between its end face and the end face of the main body 1, facilitating housing design. Multiple cylinders 7 at the top of the main body 1 ensure accurate positioning of the connector on the PCB board. Each terminal is securely connected to the terminal fixing slot through corresponding elastic clips or snap-fit ​​parts, ensuring stable operation of the entire connector.

[0035] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing 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 invention should be included within the protection scope of the present invention.

Claims

1. A short-body headphone jack connector, comprising a body (1), characterized in that, The main body (1) has a through hole (6) in the middle. The top of the main body (1) has a terminal fixing slot 1 (12) and a terminal fixing slot 2 (13) on one side. The top of the main body (1) has a terminal fixing slot 3 (14) and a terminal fixing slot 4 (15) on the other side. A normally open switch terminal (2) is inserted into the terminal fixing slot 1 (12). A left channel terminal (3) is inserted into the terminal fixing slot 2 (13). A right channel terminal (4) is inserted into the terminal fixing slot 3 (14). A grounding terminal (5) is inserted into the terminal fixing slot 4 (15).

2. The short-body headphone jack connector according to claim 1, characterized in that: A first elastic card (8) is fixed on the normally open switch terminal (2), a second elastic card (16) is fixed on the right channel terminal (4), a third elastic card (17) is fixed on the grounding terminal (5), and each of the first elastic card (8), the second elastic card (16) and the third elastic card (17) is provided with a contact protrusion (9). One end of the left channel terminal (3) is provided with a snap-fit ​​part (10), and one side of the left channel terminal (3) is provided with a contact spring (11).

3. A short-body headphone jack connector according to claim 2, characterized in that: The normally open switch terminal (2) is engaged with the terminal fixing slot 1 (12) via the elastic card 1 (8), the right channel terminal (4) is engaged with the terminal fixing slot 3 (14) via the elastic card 2 (16), the grounding terminal (5) is engaged with the terminal fixing slot 4 (15) via the elastic card 3 (17), and the left channel terminal (3) is engaged with the terminal fixing slot 4 (15) via the engaging part (10).

4. A short-body headphone jack connector according to claim 2, characterized in that: The contact protrusion (9) and the contact spring (11) are both placed inside the socket (6).

5. A short-body headphone jack connector according to claim 1, characterized in that: A plurality of cylinders (7) are fixed at the middle of the top of the main body (1).

6. A short-body headphone jack connector according to claim 1, characterized in that: An earphone plug (18) is inserted into the socket (6), and the gap between the end face of the earphone plug (18) and the end face of the body (1) is 2mm.

7. A short-body headphone jack connector according to claim 6, characterized in that: The main body (1) is made of plastic material, and the connection between the socket (6) and the headphone plug (18) is chamfered.