TWI488387B - Audio jack connector - Google Patents

Description

Audio connector

The invention provides an audio connector, especially an audio connector with good waterproof performance.

In the consumer electronics arena, many electronic devices, such as mobile phones, MP3 players and other portable audio devices, require an external audio headset or earpiece to hear the sound of the media. As such, an audio connector must be installed on these audio devices for plugging in headphones or earpieces. The audio connector generally includes an insulative housing and a plurality of conductive terminals. The insulative housing is provided with a receiving cavity for receiving the plug and a plurality of receiving slots communicating with the receiving cavity. The conductive terminal is received in the receiving slot. The insulative housing includes a mounting surface mounted on the printed circuit board, an upper surface opposite the mounting surface, a front end surface that mates with the mating connector, and an end surface opposite the front end surface. The conductive terminal includes a contact portion protruding into the receiving cavity and a soldering portion extending from the mounting surface of the insulating body and soldered to the printed circuit board. When the welded portion extends from the mounting surface, the mounting surface needs to have a hole through which the welded portion passes. The mounting surface is provided with holes, which may cause the waterproof performance of the audio connector to be poor.

In view of this, it is necessary to provide a new audio connector to overcome the above drawbacks.

It is an object of the present invention to provide an audio connector having good waterproof performance.

In order to achieve the above object, the present invention adopts the following technical solution: an audio connector, The utility model comprises: an insulating body, wherein the insulating body defines a plurality of terminal slots, a plug interface for inserting the mating connector and a receiving space, an end surface opposite to the plug interface and a mounting surface adjacent to the printed circuit board, and the plug interface defines a docking connection The plugging direction of the device; the conductive terminal is housed in the insulating body; the waterproof ring is sleeved on the insulative body near the front of the plug connector; and the waterproof film is attached to the rear end surface of the insulating body and the mounting surface.

Compared with the prior art, the neck of the audio connector of the present invention is provided with a waterproof ring, and the rear end surface of the insulating body and the mounting surface are attached with a waterproof film to ensure good waterproof performance of the audio connector.

100‧‧‧Audio connector

1‧‧‧Insulating body

11‧‧‧ head

12‧‧‧ Body Department

121‧‧‧Terminal slot

122‧‧‧Steps

13‧‧‧ neck

14‧‧‧ accommodating space

15‧‧‧Bump

2‧‧‧Electrical terminals

21‧‧‧First conductive terminal

22‧‧‧Second conductive terminal

23‧‧‧ Third conductive terminal

24‧‧‧fourth conductive terminal

25‧‧‧ Grounding terminal

26, 256‧‧‧ holding department

27, 257‧‧ ‧Contacts

28, 258‧‧‧ Weld Department

281‧‧‧ convex hull

259‧‧‧Connecting Department

2591‧‧‧wing

3‧‧‧Scratch board

4‧‧‧Waterproof ring

5‧‧‧Waterproof membrane

The first drawing is a perspective assembled view of the audio connector of the present invention; the second drawing is a perspective assembled view of the audio connector of the present invention; the third drawing is a partially exploded view of the audio connector of the present invention; An exploded perspective view of the inventive audio connector; the fifth figure is an exploded perspective view of another angle of the audio connector of the present invention.

Referring to the first to fifth embodiments, the audio connector 100 of the present invention includes an insulative housing 1, a plurality of conductive terminals 2 received in the insulative housing 1, a gripping plate portion 3 mounted on the insulative housing 1, and a sleeve. The waterproof ring 4 in front of the insulating body 1 and the waterproof film 5 attached to the rear of the insulating body 1.

Referring to the third to fifth figures, the insulative housing 1 includes an annular head portion 11, a rectangular body portion 12, and a neck portion 13 connecting the head portion 11 and the body portion 12. The insulative housing 1 defines a receiving space 14 that penetrates the head portion 11 , the neck portion 13 , and the body portion 12 . The main body portion 12 defines a plurality of terminal slots 121 , and the terminal slots 121 communicate with the receiving space 14 . Said The body portion 12 is provided with a step portion 122 near the front end of the neck portion 13 , and the grip plate portion 3 is engaged with the step portion 122 . The neck portion 13 protrudes from the head portion 11 and the body portion 12, and the waterproof ring 4 is sleeved on the neck portion 13. The insulative housing 1 defines an insertion interface on the head 11 for insertion of a mating connector (not shown), an end surface opposite the insertion interface, and a mounting surface adjacent to a printed circuit board (not shown). The plug interface defines the docking direction of the docking connector. The mounting surface of the insulative housing 1 is convexly provided with a stud 15 which, together with the gripping portion 3, fixes the audio connector 100 to the printed circuit board.

Referring to the third to fifth figures, the conductive terminal 2 includes a first conductive terminal 21 and a second conductive terminal 22 protruding from the left side into the receiving space 14 and a third protruding into the receiving space 14 from the right side. The conductive terminal 23 and the fourth conductive terminal 24 and the ground terminal 25 projecting into the receiving space 14 from above. Each of the conductive terminals 2 includes a holding portion 26 that is fixed to the terminal groove 121, a contact portion 27 that extends into the receiving space 14, and a welded portion 28 that is exposed on the mounting surface of the insulating body 1. The welded portion 28 is concentrated on the mounting surface at a position close to the rear end surface and disposed in two rows, which facilitates the adhesion of the waterproof membrane 5. Each of the soldering portions 28 is provided with a convex hull 281, and the convex hull 241 is exposed to the waterproof film 5 to be in contact with the printed circuit board to achieve electrical connection. The grounding terminal 25 includes a retaining portion 256 that is retained in the terminal slot 121, a contact portion 257 that extends into the receiving space 14, and a soldering portion 258 that is exposed on the mounting surface of the insulative housing 1, and includes a connecting portion that is exposed at the rear end surface of the insulative housing 1. 259. The connecting portion 259 is located between the holding portion 256 and the welded portion 258 and connects the holding portion 256 and the welded portion 258. The holding portion 256 and the welded portion 258 extend in the insertion direction, and the connecting portion 259 extends in a vertical direction perpendicular to the insertion direction. The contact portion 257 extends close to the plug interface to preferentially contact the mating connector to conduct the static electricity in time. A wing portion 2591 extends from both side edges of the connecting portion 259, and the wing portion 2591 is held by the insulating body 1. The wing portion 2591 interferes with the insulative housing 1 in the vertical direction, and the retaining portion 256 interferes with the horizontal direction of the insulative housing 1 at the same time perpendicular to the plugging direction and the vertical direction.

Referring to the second and third figures, the connection portion 259 of the ground terminal 25 is exposed on the rear end surface of the insulative housing 1 and the soldering portions 24 of all the conductive terminals 2 are exposed on the mounting surface of the insulative housing 1. Therefore, the waterproof film 5 Attached to the rear end surface of the insulative housing 1 and the mounting surface. The inside and outside of the audio connector 100 are separated by the waterproof film 5, and liquid substances such as water are prevented from entering the audio connector 100 from the inside of the casing of the electronic device.

Referring to the first figure, the waterproof ring 4 is sleeved on the neck portion 13 of the insulative housing 1. The waterproof ring 4 is pressed by the casing of the electronic device to seal the assembly gap between the casing and the audio connector 100, thereby avoiding water, etc. The liquid substance enters the casing from the outside.

The neck 13 of the audio connector 100 of the present invention is provided with a waterproof ring 4, and the rear end surface of the insulating body 1 and the mounting surface are attached with a waterproof film 5 to ensure good waterproof performance of the audio connector 100.

In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and those skilled in the art will be able to make equivalent modifications or variations in accordance with the spirit of the present invention. It should be covered by the following patent application.

100‧‧‧Audio connector

1‧‧‧Insulating body

2‧‧‧Electrical terminals

3‧‧‧Scratch board

4‧‧‧Waterproof ring

5‧‧‧Waterproof membrane

Claims (10)

An audio connector, comprising: an insulative housing, wherein the insulative housing defines a plurality of terminal slots, a socket for inserting the mating connector, and a receiving space, an end surface opposite to the plug interface, and a mounting surface adjacent to the printed circuit board, The interface defines a plugging direction of the mating connector; the conductive terminal is disposed in the insulating body, and the conductive terminal includes a terminal group located at a side of the receiving space and a grounding terminal located above the receiving space, wherein each of the conductive terminals includes a holding portion of the terminal groove, a contact portion extending into the receiving space, and a soldering portion exposed on the mounting surface of the insulating body, wherein the holding portion of the terminal group extends in a vertical plane and the soldering portion of the terminal group extends perpendicularly to the holding portion. The retaining portion of the grounding terminal extends in a horizontal plane and the welded portion of the grounding terminal extends in parallel with the retaining portion, so that the welded portion is concentrated on the mounting surface and close to the rear end surface; the waterproof ring is sleeved on the insulating body. The front side of the plug connector; and the waterproof film are attached to the rear end surface of the insulating body and the mounting surface. The audio connector of claim 1, wherein the insulative housing comprises a head portion, a body portion, and a neck portion connecting the head portion and the body portion, and the waterproof ring is sleeved on the neck portion. The audio connector of claim 1, wherein the welded portions are arranged in two rows. The audio connector of claim 1, wherein each of the soldering portions is provided with a convex hull, and the convex hull is exposed to the waterproof film. The audio connector of claim 1, wherein the terminal group comprises a first conductive terminal and a second conductive terminal protruding from the left side into the receiving space and a third conductive terminal protruding from the right side into the receiving space. And a fourth conductive terminal. The audio connector of claim 5, wherein the ground terminal comprises an exposed a connecting portion of the rear end surface of the insulating body, wherein the connecting portion is located between the holding portion of the grounding terminal and the soldering portion, and connects the holding portion of the grounding terminal and the soldering portion. The audio connector of claim 6, wherein the holding portion and the soldering portion of the grounding terminal extend in a plugging direction, and the connecting portion extends in a vertical direction perpendicular to the plugging direction. The audio connector of claim 7, wherein the grounding terminal comprises a wing portion at both side edges of the connecting portion and held by the insulating body. The audio connector of claim 8, wherein the wing portion interferes with the insulating body in a vertical direction, and the holding portion interferes with the horizontal direction of the insulating body at the same time perpendicular to the plugging direction and the vertical direction. . The audio connector of claim 6, wherein the holding portion and the soldering portion of each of the terminal groups are formed by a bending between the holding portion of the grounding terminal and the soldering portion. Formed by two bends.