Simplified structure of TYPE-C female head for transmitting audio signals and earphone

Abstract

The utility model discloses a simplified structure of a TYPE-C female joint for transmitting audio signals and an earphone. The simplified structure comprises an insulating body, a TYPE-C female joint terminal group and a housing. The TYPE-C female head terminal group is an integrated TYPE-C female head terminal group and comprises a first terminal group and a second terminal group, the first terminal group comprises a terminal B6, a terminal B7 and a terminal B8 which are arranged from right to left, and the second terminal group comprises a terminal A6, a terminal A7 and a terminal A8 which are arranged from left to right; the rear ends of the B6 terminal, the B7 terminal and the B8 terminal are all used as connecting ends of the main material belt, the rear end of the B6 terminal is also used as a first connecting end of the expansion material belt, and the rear ends of the A6 terminal, the A7 terminal and the A8 terminal are all used as second connecting ends of the expansion material belt, so that the expansion material belt can be integrally connected between the rear end of the B6 terminal and the rear ends of the A6 terminal, the A7 terminal and the A8 terminal; therefore, the upper row of terminals and the lower row of terminals are ingeniously combined into one, the number of parts is reduced, and the production difficulty of products is reduced.

Description

Technical Field

[0001] This utility model relates to the field of TYPE-C female connectors, and in particular to a simplified structure of a TYPE-C female connector for transmitting audio signals and an earphone, which is mainly used for transmitting analog audio signals on earphones. Background Technology

[0002] The Type-C connector is a versatile interface used for data transmission, power supply, and audio / video (A / V) applications. Due to its slim profile and durability, the Type-C connector is ideal for mobile devices and is widely used in smartphones, tablets, laptops, monitors, and many other electronic devices.

[0003] Currently, Type-C connectors are also used in small electronic products such as headphones. However, applying Type-C connectors to headphones doesn't require using all their functions. Furthermore, directly using standard USB 2.0 Type-C 16-pin or USB Type-C 24-pin female connectors on headphones would be too costly and hinder widespread adoption. Therefore, the industry has developed Type-C female connectors for small electronic products like headphones. For example, CN 214589415U discloses a Type-C dustproof connector female connector, including a housing and a back cover. The housing has a contact portion with transmission conductor groups soldered to its upper and lower ends. This reduces the number of terminals, eliminating pins unnecessary for headphone functionality. Compared to other connectors, this simplifies the structure, saves raw materials, and reduces manufacturing costs.

[0004] However, because the terminal contacts are arranged in two rows, upper and lower, although the total number of terminals is reduced, the industry generally still uses upper and lower rows of terminals to make simplified headphone TYPE-C female connectors. This requires two terminal strips, which generate a lot of waste. In addition, during production, the two terminal strips still need to be stamped and bent separately. Furthermore, when feeding the two terminal strips into the injection mold for injection molding, the two terminal strips still need to be positioned. Compared with the standard USB 2.0 TYPE-C 16PIN female connector or USB TYPE-C 24PIN female connector, it only reduces the number of terminals, while the manufacturing process is basically the same, and the production difficulty is basically the same. This makes it difficult to further reduce production costs, which is not conducive to the promotion and popularization of TYPE-C female connectors in small electronic products such as headphones. Utility Model Content

[0005] In view of this, the present invention addresses the deficiencies of the existing technology, and its main purpose is to provide a simplified structure for a TYPE-C female connector for transmitting audio signals and an earphone. It cleverly combines the upper and lower terminals into one, reducing the number of parts, lowering the difficulty of product manufacturing, and reducing production costs, which is conducive to the promotion and popularization of TYPE-C female connectors in small electronic products such as earphones.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A simplified structure for a TYPE-C female connector for transmitting audio signals includes an insulating body, a TYPE-C female connector terminal group disposed on the insulating body, and a shell covering the outer periphery of the insulating body; the insulating body has a tongue, the TYPE-C female connector terminal group is exposed on the upper and lower sides of the tongue, and an annular insertion interface is formed between the inner wall surface of the shell and the outer peripheral surface of the tongue.

[0008] The TYPE-C female terminal block is an integrated TYPE-C female terminal block, which includes a first terminal block and a second terminal block. The first terminal block includes terminals B6, B7, and B8 arranged from right to left, and the second terminal block includes terminals A6, A7, and A8 arranged from left to right. The rear ends of terminals B6, B7, and B8 serve as the connection ends of the main material strip. The rear end of terminal B6 also serves as the first connection end of the extension material strip. The rear ends of terminals A6, A7, and A8 serve as the second connection ends of the extension material strip, so that the extension material strip can be integrally connected between the rear ends of terminals B6 and the rear ends of terminals A6, A7, and A8. The extension material strip is bent upwards by 180±5 degrees around the first connection end of the extension material strip and then stacked on top of the rear end of terminal B6. Thus, the second terminal block is located above the first terminal block.

[0009] The insulating body is injection molded and fixed onto the integrated TYPE-C female terminal block.

[0010] As a preferred embodiment, the front ends of terminals B6, B7, and B8 all serve as the first auxiliary strip connection ends, and the front ends of terminals A6, A7, and A8 all serve as the second auxiliary strip connection ends; the connection ends of the main strip, the first connection ends of the extended strip, and the second connection ends of the extended strip are all exposed on the rear side of the insulating body, and the connection ends of the first and second auxiliary strips are all exposed on the front side of the tongue of the insulating body.

[0011] As a preferred embodiment, the tongue is further provided with two metal partitions, which are located on the left and right sides of the TYPE-C female terminal block, respectively. The outer rear end of the two metal partitions serves as the connection end of the partition strip.

[0012] As a preferred embodiment, each terminal of the first terminal group includes a first welding foot, a first fixing part, a first contact part, and a first front end extension part arranged sequentially from back to front. The first welding foot extends horizontally, the first fixing part extends integrally upward from the front end of the first welding foot, the first contact part extends integrally forward from the upper end of the first fixing part, the first front end extension part extends integrally forward from the front end of the first contact part, and the first auxiliary material strip connecting end is disposed at the front end of the first front end extension part.

[0013] Each terminal of the second terminal group includes a second welding foot, a second fixing part, a second contact part, and a second front end extension part arranged sequentially from back to front. The second welding foot extends horizontally. When the extended material strip is bent, the second fixing part extends integrally upward from the front end of the second welding foot. The second contact part extends integrally forward from the upper end of the second fixing part. The second front end extension part extends integrally forward from the front end of the second contact part. The second auxiliary material strip connection end is located at the front end of the second front end extension part.

[0014] The first front end extension and the second front end extension are embedded inside the tongue.

[0015] As a preferred embodiment, the first welding foot and the second welding foot are arranged side by side with a spacing between them, the first fixing part and the second fixing part are arranged side by side with a spacing between them, the second contact part is located above the first contact part and maintains a spacing, and the second front end extension part and the first front end extension part are arranged with a spacing between them.

[0016] As a preferred embodiment, the first front-end extension includes a first horizontally extending body and a first bending portion. The first bending portion extends forward and obliquely upward from the front end of the first contact portion. The first horizontally extending body is connected to the front end of the first bending portion, such that the first horizontally extending body is higher than the first contact portion. Furthermore, the second front-end extension includes a second horizontally extending body and a second bending portion. When the extended strip is bent, the second bending portion extends forward and obliquely downward from the front end of the second contact portion. The second horizontally extending body is connected to the front end of the second bending portion, such that the second horizontally extending body is lower than the second contact portion.

[0017] As a preferred embodiment, the top of the rear section of the first horizontally extending body is thinned, and the top of the rear section of the second horizontally extending body is also thinned. When the extending strip is bent, the top of the thinned part of the rear section of the second horizontally extending body is set downward, thereby increasing the vertical gap between the rear sections of the first and second horizontally extending bodies.

[0018] As a preferred embodiment, the front section of the first horizontally extending body is provided with a third bend, and the front section of the second horizontally extending body is provided with a fourth bend, such that: the horizontal height of the first sub-material strip connection end is higher than the horizontal height of the first horizontally extending body, and the horizontal height of the second sub-material strip connection end is lower than the horizontal height of the second horizontally extending body.

[0019] As a preferred embodiment, the first horizontal extension body of the B6 terminal is offset to the right from the front end of its first contact portion to increase the left-right distance between the first horizontal extension body of the B6 terminal and the first horizontal extension body of the B7 terminal.

[0020] When the extended strip is bent, the second horizontal extension body of terminal A6 deviates to the left from the front end of its first contact portion to increase the left-right distance between the second horizontal extension body of terminal A6 and the second horizontal extension body of terminal A7; the second horizontal extension body of terminal A6 is located between the left-right distances of the first horizontal extension body of terminal B7 and the first horizontal extension body of terminal B8, the second horizontal extension body of terminal A7 is located between the left-right distances of the first horizontal extension body of terminal B7 and the first horizontal extension body of terminal B6, and the first horizontal extension body of terminal B6 is located between the left-right distances of the second horizontal extension body of terminal A7 and the second horizontal extension body of terminal A8;

[0021] The tongue is provided with support and positioning holes corresponding to the top or bottom surface of the first horizontal extension body and the second horizontal extension body.

[0022] An earphone includes an earphone body, wherein the earphone body is provided with a TYPE-C female connector, the TYPE-C female connector adopting a simplified structure of a TYPE-C female connector for transmitting audio signals as described in any of the preceding claims.

[0023] This utility model has significant advantages and beneficial effects compared with the prior art. Specifically, as can be seen from the above technical solution, it mainly transforms the TYPE-C female terminal assembly into an integrated TYPE-C female terminal assembly, which includes a first terminal group and a second terminal group. The first terminal group includes terminals B6, B7, and B8 arranged from right to left, and the second terminal group includes terminals A6, A7, and A8 arranged from left to right. The rear ends of terminals B6, B7, and B8 all serve as the connection ends of the main material strip, and the rear end of terminal B6 also serves as the first connection end of the extension material strip. The rear ends of terminals 7 and A8 serve as the second connecting ends of the extension strip, allowing the extension strip to be integrally connected between the rear ends of terminals B6 and A6, A7, and A8. During terminal strip manufacturing, the extension strip is bent so that the second terminal group overlaps the first terminal group while maintaining a gap. In this way, the upper and lower rows of terminals are cleverly combined into one, fulfilling the requirements of upper and lower rows of terminals on an integrated TYPE-C female terminal strip. This one-time injection molding reduces the number of parts, lowers the difficulty of product manufacturing, and reduces production costs, which is conducive to the promotion and popularization of TYPE-C female connectors in small electronic products such as headphones.

[0024] Furthermore, the precise control over the spacing and position of the 6-pin terminals improves the production quality and yield of this type of TYPE-C female connector. This type of TYPE-C female connector has a long service life and stable, reliable performance, preventing user experience issues caused by TYPE-C female connector failures. It also avoids increased headphone failure rates, return rates, and even the scrapping of the entire headphone product due to TYPE-C female connector failures. Therefore, using the simplified TYPE-C 6-pin female connector of this invention on headphone products enhances the user experience and reduces after-sales service costs.

[0025] To more clearly illustrate the structural features and effects of this utility model, the following detailed description of this utility model is provided in conjunction with the accompanying drawings and specific embodiments. Attached Figure Description

[0026] Figure 1 This is a perspective view of a simplified structure of a TYPE-C female connector for transmitting audio signals, according to an embodiment of this utility model.

[0027] Figure 2 This is another perspective view of a simplified structure of a TYPE-C female connector for transmitting audio signals, according to an embodiment of the present invention.

[0028] Figure 3 This is an exploded view of a simplified structure of a TYPE-C female connector for transmitting audio signals, according to an embodiment of this utility model.

[0029] Figure 4 This is another exploded view of a simplified structure of a TYPE-C female connector for transmitting audio signals, according to an embodiment of the present invention.

[0030] Figure 5 This is a top view of an integrated TYPE-C female connector terminal block and a metal spacer, representing a simplified structure of a TYPE-C female connector for transmitting audio signals according to an embodiment of this utility model.

[0031] Figure 6 This is a cross-sectional view of a simplified structure of a TYPE-C female connector for transmitting audio signals, according to an embodiment of this utility model.

[0032] Figure 7 This is another cross-sectional view of a simplified structure of a TYPE-C female connector for transmitting audio signals, according to an embodiment of the present invention.

[0033] Figure 8 This is a perspective view (before bending 1) of an integrated TYPE-C female connector terminal strip according to an embodiment of the present invention.

[0034] Figure 9 This is a top view (before bending) of an integrated TYPE-C female connector terminal strip according to an embodiment of the present invention.

[0035] Figure 10 This is a side view (before bending) of an integrated TYPE-C female connector terminal strip according to an embodiment of the present invention.

[0036] Figure 11 This is a diagram illustrating the bending process of an integrated TYPE-C female connector terminal strip according to an embodiment of the present invention (angle changes from 0-90-180±5 degrees).

[0037] Figure 12 This is a top view of an integrated TYPE-C female connector terminal strip (after bending 180±5 degrees) according to an embodiment of the present invention.

[0038] Figure 13 This is a side view of an integrated TYPE-C female connector terminal strip (after bending 180±5 degrees) according to an embodiment of the present invention.

[0039] Figure 14 This is a front view of an integrated TYPE-C female connector terminal strip (after bending 180±5 degrees) according to an embodiment of the present invention.

[0040] Figure 15 yes Figure 12 A magnified view of a portion of the image;

[0041] Figure 16 yes Figure 13 A magnified view of a portion of the image;

[0042] Figure 17 This is a perspective view of another integrated TYPE-C female connector terminal strip according to an embodiment of the present invention (after bending 180±5 degrees).

[0043] Figure 18 This is a side view (after bending 180 degrees) of another integrated TYPE-C female connector terminal strip according to an embodiment of the present invention.

[0044] Figure 19 yes Figure 17 A magnified view of a portion of the image;

[0045] Figure 20 yes Figure 18 A magnified view of a portion of the image;

[0046] Figure 21 This is a flowchart illustrating the manufacturing process of a TYPE-C female connector according to an embodiment of this utility model. Detailed Implementation

[0047] like Figures 1 to 21 As shown, a simplified structure of a TYPE-C female connector for transmitting audio signals includes an insulating body 200, a TYPE-C female connector terminal group 100 disposed on the insulating body 200, and a housing 300 covering the outer periphery of the insulating body 200; the insulating body 200 has a tongue 21, the TYPE-C female connector terminal group 100 is exposed on the upper and lower sides of the tongue 21, and an annular insertion interface is formed between the inner wall surface of the housing 300 and the outer peripheral surface of the tongue 21; the housing 300 is a metal shell and has the functions of protection, shielding and forming a insertion interface.

[0048] The TYPE-C female connector terminal group 100 is an integrated TYPE-C female connector terminal group, which includes a first terminal group 2 and a second terminal group 4. The first terminal group 2 includes B6 terminal 201, B7 terminal 202 and B8 terminal 203 arranged from right to left. The second terminal group 4 includes A6 terminal 401, A7 terminal 402 and A8 terminal 403 arranged from left to right. The integrated TYPE-C female connector terminal group in this embodiment is a 6-pin integrated terminal group to meet the requirements of transmitting analog audio signals on the headphones. The resulting 6-pin Type-C female connector can be used with standard 16-pin Type-C male connectors or standard 24-pin Type-C male connectors. Of course, if the standard 16-pin Type-C male connector or standard 24-pin Type-C male connector is also simplified in design, reducing the number of terminals and retaining only the necessary terminals, the 6-pin Type-C female connector of this invention can also be used with the simplified Type-C male connector. Among them, terminals B6 201, B7 202, B8 203, A6 401, A7 402, and A8 403 can refer to the corresponding A6, A7, A8, B6, B7, and B8 terminals of a standard 24-pin Type-C female connector. For example, for a standard 24-pin Type-C female connector, its PIN definitions are as follows (from left to right, A1 to A12): GND, TX1+, TX1-, VBUS, CC1, D+, D-, SBU1, VBUS, RX2-, RX2+, GND; (from right to left, B1 to B12): GND, TX2+, TX2-, VBUS, CC2, D+, D-, SBU2, VBUS, RX1-, RX1+, GND. This utility model can be a simplified design based on the standard 24PINTYPE-C female connector. The A6\A7\A8\B6\B7\B8 mentioned in this utility model are defined the same as the A6\A7\A8\B6\B7\B8 of the standard 24PINTYPE-C female connector.Alternatively, terminals B6 201, B7 202, B8 203, and A6 401, A7 402, and A8 403 can refer to the corresponding A6, A7, A8, B6, B7, and B8 terminals of a standard 16-pin Type-C female connector. For example, in a standard 16-pin Type-C female connector, the PIN definitions are as follows (from left to right: A1, A4 to A9, A12): GND, TVBUS, CC1, D+, D-, SBU1, VBUS, GND; (from right to left: B1, B4 to B9, B12): GND, VBUS, CC2, D+, D-, SBU2, VBUS, GND. This invention can be based on a standard 16-pin... Based on the TYPE-C female connector, a simplified design has been implemented. The A6, A7, A8, B6, B7, and B8 mentioned in this utility model are defined the same as the A6, A7, A8, B6, B7, and B8 of the standard 16PIN TYPE-C female connector, in order to meet the requirements of transmitting analog audio signals on headphones.

[0049] The rear ends of terminals B6 201, B7 202 and B8 203 are all used as the connecting ends J5 of the main material strip. The rear end of terminal B6 201 is also used as the first connecting end J1 of the extension material strip. The rear ends of terminals A6 401, A7 402 and A8 403 are all used as the second connecting ends J2 of the extension material strip, so that the extension material strip 3 can be integrally connected between the rear end of terminal B6 201 and the rear ends of terminals A6, A7 and A8. The extension material strip is bent upward by 180±5 degrees around the first connecting end J1 and stacked above the rear end of terminal B6 201. Thus, the second terminal group 4 is located above the first terminal group 2.

[0050] Furthermore, the front ends of terminals B6 201, B7 202, and B8 203 all serve as the first auxiliary material strip connection ends J3, and the front ends of terminals A6 401, A7 402, and A8 403 all serve as the second auxiliary material strip connection ends J4. The insulating body 200 is injection molded and fixed on the TYPE-C female terminal group 100. The main material strip connection end J5, the first extension material strip connection end J1, and the second extension material strip connection end J2 are all exposed on the rear side of the insulating body 200, and the first auxiliary material strip connection end J3 and the second auxiliary material strip connection end J4 are all exposed on the front side of the tongue 21 of the insulating body 20.

[0051] The extended material strip 3 is bent upward around the first connecting end J1 and positioned above the rear end of the B6 terminal 201, so that the second terminal group 4 is located above the first terminal group 2. Each terminal of the first terminal group 2 includes, from back to front, a first welding foot F1, a first fixing part F2, a first contact part F3, and a first front end extension part F4. The first welding foot F1 extends horizontally, the first fixing part F2 extends upward integrally from the front end of the first welding foot F1, the first contact part F3 extends forward integrally from the upper end of the first fixing part F2, and the first front end extension part F4 extends forward integrally from the front end of the first contact part F3. The first auxiliary material strip connecting end J3 is located at the front end of the first front end extension part F4. The first contact parts F3 of the B6 terminal 201, B7 terminal 202, and B8 terminal 203 are arranged side by side from right to left at the bottom of the tongue 21. A left contact part is provided on the bottom surface of the tongue 21 at the left of the first contact part F3. The first terminal positioning hole K2 on the right side is used to accurately and reliably position all the first terminals. Each terminal of the second terminal group 4 includes a second welding foot G1, a second fixing part G2, a second contact part G3, and a second front end extension part G4 arranged sequentially from back to front. The second welding foot G1 extends horizontally. When the extension strip 3 is bent, the second fixing part G2 extends upward from the front end of the second welding foot G1. The second contact part G3 extends forward from the upper end of the second fixing part G2. The second front end extension part G4 extends forward from the front end of the second contact part G3. The second auxiliary strip connecting end J4 is located at the front end of the second front end extension part G4. The first front end extension part F4 and the second front end extension part G4 are embedded inside the tongue 21. The second contact portions G3 of terminals A6 401, A7 402 and A8 403 are arranged side by side from left to right on the top of the tongue 21. Second terminal positioning holes K3 are provided on the top surface of the tongue 21 on the left and right sides of the second contact portions G3 to accurately and reliably position all the second terminals.

[0052] Two metal spacers 400 are also provided inside the tongue 21. The two metal spacers 400 are located on the left and right sides of the TYPE-C female terminal group 100, respectively. The outer rear end of the two metal spacers 400 serves as the connection end J6 of the spacer strip. The two metal spacers 400 can be designed to be relatively wide. Since the B6, B7, and B8 terminals, as well as the A6, A7, and A8 terminals occupy a small area on the tongue 21 (roughly less than 1 / 3 of the area in the center), the metal spacers 400 embedded in the tongue 21 on both sides, in addition to their basic function of snap-fit ​​connection with the male connector, can also strengthen the structural strength of the tongue 21. The partition strip 7 is arranged parallel to the main strip 1 on opposite sides. On the rear side of the partition strip 7, a dividing strip 71' is provided for each group of metal partitions 400 (i.e., two metal partitions 400 form a group). The rear end of the dividing strip 71' is connected to the connecting end J6 of the partition strip, leaving enough space on the left and right sides of the first sub-strip 5 and the second sub-strip 6.

[0053] The first welding foot F1 and the second welding foot G1 are arranged side by side with a distance between them. The first fixing part F2 and the second fixing part G2 are arranged side by side with a distance between them. The second contact part G3 is located above the first contact part F3 and maintains a distance between them. The second front end extension part G4 and the first front end extension part F4 are arranged side by side with a distance between them.

[0054] The first front-end extension F4 includes a first horizontal extension body F41 and a first bending part F42. The first bending part F42 extends forward and obliquely upward from the front end of the first contact part F3. The first horizontal extension body F41 is connected to the front end of the first bending part F42, so that the first horizontal extension body F41 is higher than the first contact part F3. The second front-end extension G4 includes a second horizontal extension body G41 and a second bending part G42. When the extended material strip 3 is bent upward by 180±5 degrees, the second bending part G42 extends forward and obliquely downward from the front end of the second contact part G3. The second horizontal extension body G41 is connected to the front end of the second bending part G42, so that the second horizontal extension body G41 is lower than the second contact part G3. The rear section of the first horizontally extending body F41 is thinned at the top, as shown in the figure (thinned part F401); the rear section of the second horizontally extending body G41 is also thinned at the top, as shown in the figure (thinned part G401). When the extended strip 3 is bent 180±5 degrees, the thinned part G401 of the rear section of the second horizontally extending body G41 faces downward, thereby increasing the vertical gap D1 between the rear sections of the first horizontally extending body F41 and the second horizontally extending body G41. Alternatively, the front section of the first horizontally extending body F41 is provided with a third bending part F43, and the front section of the second horizontally extending body G41 is provided with a fourth bending part G43, thereby increasing the horizontal height of the first auxiliary strip connecting end J3 compared to the horizontal height of the first horizontally extending body F41, and the horizontal height of the second auxiliary strip connecting end J4 compared to the horizontal height of the second horizontally extending body G41.

[0055] The first horizontal extension body F41 of terminal B6 201 is offset to the right from the front end of its first contact portion F3 to increase the lateral distance D5 between the first horizontal extension body F41 of terminal B6 201 and the first horizontal extension body F41 of terminal B7 402; the second horizontal extension body G41 of terminal A6 401 is offset to the right from the front end of its first contact portion G3 to increase the lateral distance D6 between the second horizontal extension body G41 of terminal A6 401 and the second horizontal extension body G41 of terminal A7 402; the second horizontal extension body G41 of terminal A6 401 is located between the first horizontal extension body F41 of terminal B7 202 and the first horizontal extension body F3 of terminal B7 202. The first horizontal extension body F41 of terminal 203 is located between the left and right distances D7 and D5 of the first horizontal extension body F41 of terminal 402 of terminal A7. The first horizontal extension body F41 of terminal B7 is located between the left and right distances D5 and D8 of the second horizontal extension body G41 of terminal B6 201. The first horizontal extension body F41 of terminal B6 201 is located between the left and right distances D8 and D8 of the second horizontal extension body G41 of terminal A7 402 and second horizontal extension body G41 of terminal A8 403. The tongue 21 is provided with support positioning holes K1 corresponding to the top or bottom surfaces of the first horizontal extension body F41 and the second horizontal extension body G41.

[0056] Typically, when manufacturing this type of TYPE-C female connector used for transmitting audio signals, an integrated TYPE-C female connector terminal strip is first produced. Then, an insulating body is injection molded onto the integrated TYPE-C female connector terminal strip. After that, the secondary strip and the main strip are removed (the extension strip is usually removed together when separating the main strip), and then it is installed into the housing.

[0057] Next, we will introduce the structure of the integrated TYPE-C female terminal strip in detail.

[0058] like Figures 8 to 16 As shown, it illustrates the specific structure of an integrated TYPE-C female terminal strip.

[0059] An integrated TYPE-C female terminal strip includes a main strip 1 extending left and right and a first terminal group 2 connected to the front edge of the main strip 1. The first terminal group 2 includes two or more terminals arranged with a left-right spacing along the front edge of the main strip 1. An extension strip 3 is also connected to the front edge of the main strip 1 or the side of the first terminal group 2. The extension strip 3 is connected to a second terminal group 4, which is arranged side-by-side with the first terminal group 2. The second terminal group 4 includes two or more terminals arranged with a left-right spacing along the front edge of the main strip 1. A foldable area 301 is formed on the extension strip 3 between the second terminal group 4 and the first terminal group 2. The extension strip 3 is bent in the foldable area 301 so that the second terminal group 4 and the first terminal group 2 are stacked vertically and maintain a gap.

[0060] In this embodiment, the first terminal group 2 includes B6 terminal 201, B7 terminal 202, and B8 terminal 203 arranged from right to left (i.e., D+ terminal, D- terminal, and SBU2 terminal in sequence), and the second terminal group 4 includes A6 terminal 401, A7 terminal 402, and A8 terminal 403 arranged from right to left (i.e., D+ terminal, D- terminal, and SBU1 terminal in sequence). After the extension tape 3 is bent 180 degrees to the left and upward, the A6 terminal 401, A7 terminal 402, and A8 terminal 403 are arranged from left to right. This integrated TYPE-C female connector tape is mainly used for transmitting analog audio signals in headphones.

[0061] Furthermore, the rear end of the first terminal group 2 is connected to the main material strip 1, and the front end of the first terminal group 2 is connected to the first auxiliary material strip 5; the rear end of the second terminal group 4 is connected to the extension material strip 3, and the front end of the second terminal group 4 is connected to the second auxiliary material strip 6. The first auxiliary material strip 5 makes the first terminal group 2 a single unit, and the second auxiliary material strip 6 makes the second terminal group 4 a single unit, effectively forming the terminals in the same row into a single unit. This effectively improves the problem of poor alignment caused by the small cross-sectional area and long length of a single terminal during the stamping process.

[0062] Both the second auxiliary strip 6 and the first auxiliary strip 5 are provided with positioning holes E. After the extension strip 3 is bent, the positioning holes E of the two are aligned vertically. Furthermore, the side of the first auxiliary strip 5 is widened and designed with a positioning edge 51. After the extension strip 3 is bent, the positioning edge 51 is exposed on the outer periphery of the second auxiliary strip 6. Preferably, the second auxiliary strip 6 is stacked and adhered to the top surface of the first auxiliary strip 5, so that the vertical gap between the second auxiliary strip 6 and the first auxiliary strip 5 is zero. Thus, the rear end faces of the second auxiliary strip 6 and the first auxiliary strip 5 together form a sealing surface C1. During injection molding, this can seal the front end of the tongue of the insulating body 200, preventing overflow and burrs at the front end during the injection molding process, which would affect product quality.

[0063] Typically, each terminal of the first terminal group 2 includes, from back to front, a first welding pin F1, a first fixing part F2, a first contact part F3, and a first front extension part F4. The first welding pin F1 extends horizontally, the first fixing part F2 extends integrally upward from the front end of the first welding pin F1, the first contact part F3 extends integrally forward from the upper end of the first fixing part F2, and the first front extension part F4 extends integrally forward from the front end of the first contact part F3 and is connected to the first auxiliary material strip 5. Each terminal of the second terminal group 4 includes, from back to front, a second welding pin G1, a second fixing part G2, a second contact part G3, and a second front extension part G4. The second welding pin G1 extends horizontally... The second fixing part G2 extends integrally downward from the front end of the second welding foot G1, the second contact part G3 extends integrally forward from the lower end of the second fixing part G2, and the second front extension part G4 extends integrally forward from the front end of the second contact part G3 and connects to the second auxiliary material strip 6. After the extension material strip 3 is bent, the first welding foot F1 and the second welding foot G1 are arranged side by side with a spacing between them, the first fixing part F2 and the second fixing part G2 are arranged side by side with a spacing between them, the second contact part G3 is located above the first contact part F3 and maintains a spacing, the second auxiliary material strip 6 is stacked on top of the first auxiliary material strip 5, and the second front extension part G4 and the first front extension part F4 are arranged with a spacing between them. In this way, the problem of collision between the second terminal group and the first terminal group is avoided when bending.

[0064] Furthermore, the first front-end extension F4 includes a first horizontal extension body F41 and a first bending part F42. The first bending part F42 extends forward and obliquely upward from the front end of the first contact part F3 (forming a Z-shaped bend), that is, the rear end of the first bending part F42 is integrally connected to the front end of the first contact part F3. The first horizontal extension body F41 is connected to the front end of the first bending part F42, making the first horizontal extension body F41 higher than the first contact part F3. The rear section of the first horizontal extension body F41 has a thinned top design, as shown in the figure, the thinned part F401. The front end of the first horizontal extension body F41 is connected to the first auxiliary strip 5. The second front-end extension G4 includes a second horizontal extension body G41 and a second bending part G42. The second bending part G42 extends forward and obliquely upward from the front end of the second contact part G3 (forming a Z-shaped bend), that is, the second bending part G42... The rear end of the first horizontal extension body G41 is integrally connected to the front end of the second contact part G3. The second horizontal extension body G41 is connected to the front end of the second bending part G42, so that the second horizontal extension body G41 is higher than the second contact part G3. The top of the rear section of the second horizontal extension body G41 is thinned, as shown in the figure, the thinned part G401. The front end of the second horizontal extension body G41 is connected to the second auxiliary strip 6. After the extension strip 3 is bent, the second horizontal extension body G41 is lower than the second contact part G3. The top of the thinned part of the rear section of the second horizontal extension body G41 is set downward, so that the vertical gap D1 between the rear sections of the first horizontal extension body F41 and the second horizontal extension body G41 is increased, ensuring that the upper and lower rows of terminals have sufficient gap at this point to prevent short circuit between the upper and lower rows of terminals (since the first bending part F42 and the second bending part G42 are not completely staggered, if the vertical gap is insufficient, it may cause a short circuit problem between the upper and lower rows of terminals). Furthermore, through the arrangement of the first bending portion F42 and the second bending portion G42, the head structure of the first contact portion F3 and the second contact portion G3 is designed as a bent and recessed type (the heads of the upper and lower rows of terminals face each other, which is equivalent to the design of the middle of the tongue near the insulating body). The vertical distance between the first contact portion F3 and the second contact portion G3 is relatively large, while the distance between the first bending portion F42 and the second bending portion G42 gradually decreases until the distance between the first horizontal extension body F41 and the second horizontal extension body G41 is even smaller. By having the first bending portion F42, the second bending portion G42, the first horizontal extension body F41, and the second horizontal extension body G41 recessed into the tongue portion of the insulating body, the phenomenon of pin lifting at the terminal head can be effectively prevented. Even after repeated insertion and removal, the phenomenon of pin lifting will not occur.

[0065] The extension strip 3 is bent upwards and to the left by 180 ± 5 degrees. Before bending, the horizontal height of the soldering feet of each terminal of the first terminal group 2 is slightly higher than the horizontal height of the soldering feet of each terminal of the second terminal group 4. Thus, when the extension strip 3 is bent upwards by 180 degrees, the horizontal height of the soldering feet of each terminal of the second terminal group 4 becomes higher, so that it is level with the horizontal height of the soldering feet of each terminal of the first terminal group 2. In this way, after folding, there are two sets of terminal groups arranged in upper and lower rows, and all their soldering feet are at the same horizontal height, which facilitates the soldering of connectors to components such as PCB boards.

[0066] The first horizontal extension body F41 of the B6 terminal 201 is offset to the right from the front end of its first contact portion F3 to increase the lateral distance D5 between the first horizontal extension body F41 of the B6 terminal 201 and the first horizontal extension body F41 of the B7 terminal 202; the second horizontal extension body G41 of the A6 terminal 401 is offset to the right from the front end of its first contact portion F3 to increase the lateral distance D6 between the second horizontal extension body G41 of the A6 terminal 401 and the second horizontal extension body G41 of the A7 terminal 402; and after the extension strip 3 is bent, the second horizontal extension body F41 of the A6 terminal 401... The extension body G41 is located between the left and right distances of the first horizontal extension body F41 of the B7 terminal 202 and the first horizontal extension body F41 of the B8 terminal 203. The second horizontal extension body G41 of the A7 terminal 402 is located between the left and right distances of the first horizontal extension body F41 of the B7 terminal 202 and the first horizontal extension body F41 of the B6 terminal 201. The first horizontal extension body F41 of the B6 terminal 201 is located between the left and right distances of the first horizontal extension body F41 of the B7 terminal 202 and the second horizontal extension body G41 of the A8 terminal 403. Because the second contact portion G3 of the upper row A6 / A7 terminals and the first contact portion F3 of the lower row B7 / B6 terminals are directly opposite each other (i.e., horizontally aligned), there are no supporting parts in the mold during the insert molding process, which poses a risk of short circuit between the upper and lower rows of terminals. In this embodiment, the first horizontal extension body F41 and the second horizontal extension body G41 are deliberately arranged side by side (i.e., horizontally staggered) to facilitate the addition of supporting parts in the mold to support and position the first horizontal extension body F41 and the second horizontal extension body G41, thus avoiding the risk of short circuit between the upper and lower rows of terminals. It can be seen that the tongue 21 is provided with supporting positioning holes K1 corresponding to the top or bottom surfaces of the first horizontal extension body F41 and the second horizontal extension body G41, which are holes left at the locations of the supporting parts in the injection mold.

[0067] Due to the configuration of the extended strip 3, the welding feet of terminals B6 201, B7 202, and B8 203 are each connected to the main strip 1 via a section of the dividing strip 101. This is equivalent to cutting and unloading the material at the front end of the dividing strip 101 during subsequent strip separation. Figure 13 As shown, the cutting line L. The rear end of the welding pin of the B6 terminal 201 is connected to the front edge of the main material strip 1 via a material distribution strip 101'. The left side of the material distribution strip 101' is integrally extended to the left and widened to form a left widening portion 102'. The distance D2 between the left widening portion 102' and the welding pin of the B7 terminal 202 is smaller than the distance D3 between the welding pin of the B6 terminal 201 and the welding pin of the B7 terminal 202. The extension material strip 3 is integrally extended to the right from the right side of the material distribution strip 101' of the welding pin of the B6 terminal 201. The rear edge of the extension material strip 3 and the front edge of the main material strip 1 maintain a groove D4. Terminals A8 403, A7 402, and A6 401 are spaced from left to right along the front edge of the extension strip 3. After the extension strip 3 is bent, the top surface of its right end overlaps the top surface of the left widening portion 102', such that terminals A6 401, A7 402, and A8 403 are arranged from left to right. The soldering pins of terminals A6 401 and A7 402 are located between the left side of the soldering pin of terminal B6 201 and the right side of the soldering pin of terminal B7 202, and the soldering pin of terminal A8 403 is located to the right of the soldering pin of terminal B6 201. The 6-pin soldering pins allow for flexible design of the spacing between adjacent pins, facilitating the soldering process.

[0068] like Figures 17 to 20 As shown, it illustrates the specific structure of another integrated TYPE-C female terminal strip.

[0069] Its and Figures 8 to 16The specific structure of the integrated TYPE-C female terminal strip shown is basically the same, with the main difference being: A third bending portion F43 (forming a Z-shaped bend) is integrally connected between the front end of the first horizontally extending body F41 and the first auxiliary strip 5; a fourth bending portion G43 (forming a Z-shaped bend) is integrally connected between the front end of the second horizontally extending body G41 and the second auxiliary strip 6. Utilizing the design of the third bending portion F43 and the fourth bending portion G43, the first auxiliary strip... After bending, the material strip 5 and the second auxiliary material strip 6 overlap and fit tightly together to form an effective sealing structure. In Embodiment 2, before bending, the extension material strip 3 of the integrated TYPE-C female terminal material strip undergoes two bending designs from the first contact portion F3 to the first auxiliary material strip 5, namely: the first bending portion F42 and the third bending portion F43, so that the horizontal height of the first horizontal extension body F41 is slightly higher than the horizontal height of the first contact portion F3, and the horizontal height of the first auxiliary material strip 5 is higher than the horizontal height of the first horizontal extension body F41. Similarly, before bending, the extension strip 3 of the integrated TYPE-C female terminal strip undergoes two bending designs, namely: the second bending part G42 and the fourth bending part G43. This makes the horizontal height of the second horizontal extension body G41 slightly higher than the horizontal height of the second contact part G3, and the horizontal height of the second sub-strip 6 slightly higher than the horizontal height of the second horizontal extension body G41. When the extension strip 3 of the integrated TYPE-C female terminal strip is bent at 180 degrees... After ±5 degrees, the horizontal height of the second horizontal extension body G41 is slightly lower than the horizontal height of the second contact part G3, and the horizontal height of the second auxiliary strip 6 is slightly lower than the horizontal height of the second horizontal extension body G41. This creates a gradual convergence of the upper and lower terminal heads towards the two auxiliary strips. The vertical distance between the first contact part F3 and the second contact part G3 is greater than the vertical distance between the first horizontal extension body F41 and the second horizontal extension body G41. The first auxiliary strip 5 and the second auxiliary strip 6 are tightly fitted (vertical distance is zero). Furthermore, given the addition of the third bend F43 and the fourth bend G43, since the vertical distance between the first horizontal extension body F41 and the second horizontal extension body G41 is sufficient to prevent short circuits between the upper and lower terminals, the thinning design at the top of the rear section of the first horizontal extension body F41 is optional, as is the thinning design at the bottom of the rear section of the second horizontal extension body G41. Alternatively, only one side of the opposing surfaces can be thinned.

[0070] like Figure 21 As shown, this illustrates the manufacturing process of the TYPE-C female connector in this embodiment:

[0071] Step 1: Prepare integrated TYPE-C female terminal strip 1000 and metal spacer strip 2000; wherein, the extension strip 3 on the integrated TYPE-C female terminal strip 1000 is bent at 180±5 degrees so that the second terminal group is located above the first terminal group, and the upper and lower row terminal requirements are realized on the integrated TYPE-C female terminal strip 1000;

[0072] Step 2: The metal spacer strip 2000 and the integrated TYPE-C female terminal strip 1000 are arranged on the front and back sides and fed into the injection mold. The insert molding process is used to form the insulating body 200.

[0073] Step 3: Remove the strips (main strip, first auxiliary strip, second auxiliary strip, and spacer strip); the position of the slit line L of the integrated TYPE-C female terminal strip is not limited, and the position of the slit line L can be determined according to the length of the soldering leads in order to retain the corresponding length of soldering leads;

[0074] Step 4: Install the outer casing 300.

[0075] In addition, an earphone is provided, including an earphone body, such as a Bluetooth earphone body, wherein the earphone body is provided with a TYPE-C female connector, and the TYPE-C female connector adopts a simplified structure of a TYPE-C female connector for transmitting audio signals as described above.

[0076] The key design feature of this utility model lies in its integrated TYPE-C female connector terminal set, comprising a first terminal set and a second terminal set. The first terminal set includes terminals B6, B7, and B8 arranged from right to left, while the second terminal set includes terminals A6, A7, and A8 arranged from left to right. The rear ends of terminals B6, B7, and B8 serve as connection ends for the main material strip, and the rear end of terminal B6 also serves as the first connection end for the extension material strip. The rear ends of terminals A6, A7, and A8 also serve as... The second connecting end of the extension tape allows the extension tape to be integrally connected between the rear end of terminal B6 and the rear ends of terminals A6, A7, and A8. When manufacturing the terminal tape, the extension tape is bent so that the second terminal group and the first terminal group are stacked vertically and with a gap. In this way, the upper and lower rows of terminals are cleverly combined into one, realizing the requirements of upper and lower rows of terminals on the integrated TYPE-C female terminal tape. One-time injection molding reduces the number of parts, reduces the difficulty of product production, and reduces production costs, which is conducive to the promotion and popularization of TYPE-C female connectors in small electronic products such as headphones.

[0077] Furthermore, the precise control over the spacing and position of the 6-pin terminals improves the production quality and yield of this type of TYPE-C female connector. This type of TYPE-C female connector has a long service life and stable, reliable performance, preventing user experience issues caused by TYPE-C female connector failures. It also avoids increased headphone failure rates, return rates, and even the scrapping of the entire headphone product due to TYPE-C female connector failures. Therefore, using the simplified TYPE-C 6-pin female connector of this invention on headphone products enhances the user experience and reduces after-sales service costs.

[0078] The above description is merely a preferred embodiment of the present utility model and does not constitute any limitation on the technical scope of the present utility model. Therefore, any minor modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model shall still fall within the scope of the technical solution of the present utility model.

Claims

1. A simplified structure for a TYPE-C female connector for transmitting audio signals, comprising an insulating body, a TYPE-C female connector terminal group disposed on the insulating body, and a shell covering the outer periphery of the insulating body; the insulating body has a tongue, the TYPE-C female connector terminal group is exposed on the upper and lower sides of the tongue, and an annular insertion interface is formed between the inner wall surface of the shell and the outer peripheral surface of the tongue, characterized in that: The TYPE-C female terminal block is an integrated TYPE-C female terminal block, which includes a first terminal block and a second terminal block. The first terminal block includes terminals B6, B7, and B8 arranged from right to left, and the second terminal block includes terminals A6, A7, and A8 arranged from left to right. The rear ends of terminals B6, B7, and B8 serve as the connection ends of the main material strip. The rear end of terminal B6 also serves as the first connection end of the extension material strip. The rear ends of terminals A6, A7, and A8 serve as the second connection ends of the extension material strip, so that the extension material strip can be integrally connected between the rear ends of terminals B6 and the rear ends of terminals A6, A7, and A8. The extension material strip is bent upwards by 180±5 degrees around the first connection end of the extension material strip and then stacked on top of the rear end of terminal B6. Thus, the second terminal block is located above the first terminal block. The insulating body is injection molded and fixed onto the integrated TYPE-C female terminal block.

2. The simplified structure of a TYPE-C female connector for transmitting audio signals according to claim 1, characterized in that: The front ends of terminals B6, B7, and B8 all serve as the first auxiliary material strip connection ends, and the front ends of terminals A6, A7, and A8 all serve as the second auxiliary material strip connection ends. The connection ends of the main material strip, the first connection ends of the extended material strip, and the second connection ends of the extended material strip are all exposed on the rear side of the insulating body, while the connection ends of the first and second auxiliary material strips are all exposed on the front side of the tongue of the insulating body.

3. A simplified structure for a TYPE-C female connector for transmitting audio signals according to claim 2, characterized in that: The tongue is also provided with two metal partitions, which are located on the left and right sides of the TYPE-C female terminal block, respectively. The outer rear end of the two metal partitions serves as the connection end of the partition strip.

4. A simplified structure for a TYPE-C female connector for transmitting audio signals according to claim 2, characterized in that: Each terminal of the first terminal group includes a first welding foot, a first fixing part, a first contact part and a first front end extension part arranged sequentially from back to front. The first welding foot extends horizontally, the first fixing part extends integrally upward from the front end of the first welding foot, the first contact part extends integrally forward from the upper end of the first fixing part, the first front end extension part extends integrally forward from the front end of the first contact part, and the first auxiliary material strip connection end is disposed at the front end of the first front end extension part. Each terminal of the second terminal group includes a second welding foot, a second fixing part, a second contact part, and a second front end extension part arranged sequentially from back to front. The second welding foot extends horizontally. When the extended material strip is bent, the second fixing part extends integrally upward from the front end of the second welding foot. The second contact part extends integrally forward from the upper end of the second fixing part. The second front end extension part extends integrally forward from the front end of the second contact part. The second auxiliary material strip connection end is located at the front end of the second front end extension part. The first front end extension and the second front end extension are embedded inside the tongue.

5. A simplified structure for a TYPE-C female connector for transmitting audio signals according to claim 4, characterized in that: The first welding foot and the second welding foot are spaced side by side, the first fixing part and the second fixing part are spaced side by side, the second contact part is located above the first contact part and maintains a distance, and the second front end extension and the first front end extension are spaced side by side.

6. A simplified structure for a TYPE-C female connector for transmitting audio signals according to claim 4, characterized in that: The first front end extension includes a first horizontal extension body and a first bending portion. The first bending portion extends forward and upward from the front end of the first contact portion. The first horizontal extension body is connected to the front end of the first bending portion, so that the first horizontal extension body is higher than the first contact portion. The second front end extension includes a second horizontal extension body and a second bending portion. When the extension strip is bent, the second bending portion extends forward and downward from the front end of the second contact portion. The second horizontal extension body is connected to the front end of the second bending portion, so that the second horizontal extension body is lower than the second contact portion.

7. A simplified structure for a TYPE-C female connector for transmitting audio signals according to claim 6, characterized in that: The first horizontally extending body has a thinned top design in the rear section area, and the second horizontally extending body has a thinned top design in the rear section area. When the extending strip is bent, the thinned top design in the rear section area of ​​the second horizontally extending body is set downward, which increases the vertical gap between the rear sections of the first and second horizontally extending bodies.

8. A simplified structure for a TYPE-C female connector for transmitting audio signals according to claim 6, characterized in that: The front section of the first horizontally extending body is provided with a third bend, and the front section of the second horizontally extending body is provided with a fourth bend, such that: the horizontal height of the first sub-material strip connection end is higher than the horizontal height of the first horizontally extending body, and the horizontal height of the second sub-material strip connection end is lower than the horizontal height of the second horizontally extending body.

9. A simplified structure for a TYPE-C female connector for transmitting audio signals according to claim 6, characterized in that: The first horizontal extension body of the B6 terminal is offset to the right from the front end of its first contact portion to increase the left and right distance between the first horizontal extension body of the B6 terminal and the first horizontal extension body of the B7 terminal. When the extended strip is bent, the second horizontal extension body of terminal A6 deviates to the left from the front end of its first contact portion to increase the left-right distance between the second horizontal extension body of terminal A6 and the second horizontal extension body of terminal A7; the second horizontal extension body of terminal A6 is located between the left-right distances of the first horizontal extension body of terminal B7 and the first horizontal extension body of terminal B8, the second horizontal extension body of terminal A7 is located between the left-right distances of the first horizontal extension body of terminal B7 and the first horizontal extension body of terminal B6, and the first horizontal extension body of terminal B6 is located between the left-right distances of the second horizontal extension body of terminal A7 and the second horizontal extension body of terminal A8; The tongue is provided with support and positioning holes corresponding to the top or bottom surface of the first horizontal extension body and the second horizontal extension body.

10. An earphone, comprising an earphone body, characterized in that: The earphone body is provided with a TYPE-C female connector, which adopts a simplified structure of a TYPE-C female connector for transmitting audio signals as described in any one of claims 1 to 9.

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