JP2012014863A - Audio jack connector and method of manufacturing the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an audio jack connector and a method of manufacturing the same.SOLUTION: The audio jack connector includes an insulation body, a plurality of terminals, a bottom case, and a seal case. The insulation body has a main body part including a front wall and a bottom wall, an insertion hole is bored in the front wall, and the bottom wall has a plurality of terminal grooves communicating with the insertion hole. The terminals have solder pins and are inserted into the terminal groove. The bottom case covers the bottom wall of the insulation body to shield the terminal groove from the outside, and the bottom case includes a cover and has a clamp part with a fitting groove formed by bending and protruding both side ends of the cover, the solder pins of the terminals extending out of the fitting groove. The seal case is molded outside the bottom case integrally with the insulation body to hermetically seal gaps between the bottom case and insulation body, and solder pins and bottom case, the solder pins extending out of the seal case. Waterproofing is achieved through covering effect of the bottom case and seal case on the insulation body to which the terminals are attached.

Description

  The present invention relates to a kind of audio jack connector, and more particularly, to an audio jack connector with improved waterproofing and a method for manufacturing the same.

  See FIG. The well-known audio jack connector 100 'includes an insulating body 1', a terminal set 2 ', and a cover (not shown). The insulating body 1 'includes a main body, which includes a front wall 111', a rear wall 112 ', an upper wall (not shown), a bottom wall 114', and both side walls 115 '. The insulating body 1 ′ has an insertion hole 11 ′ extending to the rear wall 112 ′ and used for inserting an audio plug connector (not shown). A terminal groove 12 ′ communicating with the insertion hole 11 ′ is formed in the bottom wall 114 ′ of the insulating body 1 ′, and the terminal groove 12 ′ is disposed at the edge portion of the side walls 115. Each terminal of the above-described terminal set 2 'has a solder pin (no symbol). Each terminal of the terminal set 2 ′ is inserted into the terminal groove 12 ′, and the solder pin of each terminal of the terminal set 2 ′ extends out of the insulating body 1 ′ from the terminal groove 12 ′. A cover (not shown) abuts the rear wall 12 'and seals one end of the insertion hole 11'. The assembled audio jack connector 100 ′ is directly soldered on a printed circuit board (not shown), and then the printed circuit board on which the audio jack connector 100 ′ is mounted is placed in a casing of an electronic product (not shown). The audio jack connector 100 ′ is attached to an insertion port portion of the electronic product casing.

  One end of the terminal groove 12 ′ of the above-described known audio jack connector 100 ′ communicates with the external space through the insertion hole 11 ′, and the other end of the terminal groove 12 ′ communicates with the internal space of the electronic product. Moisture tends to enter the electronic product through the insertion hole 11 ′ and the terminal groove 12 ′ and cause a short circuit of the electric circuit.

  An object of the present invention is to provide an audio jack connector with improved waterproofing and a method for manufacturing the same, in order to overcome the above-mentioned drawbacks of the known technology.

  In order to achieve the above object, an audio jack connector provided by the present invention includes an insulating body, a plurality of terminals, a bottom case, and a seal case. The insulating main body includes a main body, the main body includes a front wall and a bottom wall, an insertion hole is provided in the front wall, and the bottom wall has a plurality of terminal grooves communicating with the insertion hole. The terminals are each inserted into the corresponding terminal groove, and the terminals each have a solder pin. The bottom case is bonded to the bottom wall of the insulating body to cover the bottom wall, blocks communication with the outside of the terminal groove, and the bottom case includes a cover, and both end portions of the cover are both Two pinching portions are formed by bending and extending, and an attachment groove is formed in each pinching portion, and the solder pin of the terminal extends from the attachment groove. The seal case is integrally formed outside the insulating body and the bottom case to seal gaps between the bottom case and the insulating body and between the solder pin and the bottom case, and the solder pin extends out of the seal case.

In order to achieve the above object, a method of manufacturing an audio jack connector provided by the present invention includes:
1st step: A plurality of terminals are mounted in the terminal grooves of the insulating body. 2nd step: The bottom case is bonded to cover the insulating body. 3rd step: The assembled terminal set, the assembled body of the insulating body and the bottom case. In the mold, and integrally molding the seal case in the mold, and the seal case seals the gap between the bottom case and the insulating body and between the solder pin and the bottom case.
The above steps are included.

  In the audio jack connector of the present invention, the bottom case is bonded to the bottom wall of the insulating main body to block communication between each terminal groove inside the electronic product and the external space by the insertion hole. The seal case is integrally formed on the outside to block communication with the external space through the insertion hole of the audio jack connector in the electronic product, thereby preventing the water and moisture through the insertion hole. Prevents entry into electronic products and achieves the purpose of waterproofing.

It is a three-dimensional view of the audio jack connector of the present invention. It is an exploded view of the audio jack connector of the present invention. It is the exploded view seen from another angle of the audio jack connector of the present invention. It is a three-dimensional view of the bottom case of the audio jack connector of the present invention. It is a three-dimensional view of the seal case of the audio jack connector of the present invention. It is a three-dimensional view of a known audio jack connector.

  In order to explain in detail the technical contents, structural features of the present invention, the objects and effects achieved, the following will be described in detail with reference to examples and drawings.

  Please refer to FIG. 1 and FIG. The audio jack connector 100 includes an insulating body 1, a terminal set, a bottom case 3 and a seal case 4.

  Please refer to FIG. 1 and FIG. The insulating body 1 has a substantially vertically long rectangular parallelepiped shape and includes a main body 10. The main body 10 has a front wall 111, a rear wall 112, an upper wall 113, a bottom wall 114, and both side walls 115. An insertion hole 11 extending to the rear end of the main body 10 is formed in the front wall 111. A first terminal groove 12, a third terminal groove 14, and a fifth terminal groove 16 are sequentially opened from the front wall 111 toward the rear wall 112 along the edge of one side wall 115 in the bottom wall 114. A second terminal groove 13 and a fourth terminal groove 15 are formed in this order from the front wall 111 toward the rear wall 112 along the edge of the other side wall 115 on the bottom wall 114, and the fourth terminal. The grooves 15 and the fifth terminal grooves 16 correspond one to one. One ends of the first terminal groove 12, the second terminal groove 13, the third terminal groove 14, the fourth terminal groove 15, and the fifth terminal groove 16 communicate with the insertion hole 11, and the first terminal groove 12, The other ends of the second terminal groove 13, the third terminal groove 14, the fourth terminal groove 15, and the fifth terminal groove 16 communicate with the outside world. The above-described first terminal groove 12 is disposed at a portion approaching the front wall 111. Two positioning grooves 17 are formed in the bottom wall 114 of the insulating body 1, and one of the positioning grooves 17 is disposed between the first terminal groove 12 and the third terminal groove 14, and the other positioning groove 17. Is arranged in front of the second terminal groove 13, and the second terminal groove 13 and the positioning groove 17 described above correspond to each other. Each side wall 115 is provided with a locking groove 18 extending to the upper wall 113, and one of the locking grooves 18 is disposed at the middle position of the side wall 115, and the other locking groove 18 is the other locking groove 18. It is arranged at the end position of the side wall 115 and the other end penetrates the rear wall 112 mutually.

  Please refer to FIG. The terminal set includes a first terminal 21, a second terminal 22, a third terminal 23, a fourth terminal 24, and a fifth terminal 25. The first terminal 21, the second terminal 22, the third terminal 23, and the fifth terminal 25 are fixed portions 211, 221, 231, and 251, and contact portions that are bent and extended from the fixed portions 211, 221, 231, and 251. 212, 222, 232 and 252 and solder pins 213, 223, 233 and 253 which are bent and extended from the fixing portions 211, 221, 231 and 251 and the fourth terminal slightly includes only the fixing portion 241 and the contact portion 243. Have.

  Please refer to FIG. The bottom case 3 includes a cover 31. The opposing side edges of the cover 31 are bent and extended to form two clamping portions 32. An attachment groove 321 extending to the cover body is opened in the sandwiching portion 32. In addition, the two holding portions 32 are provided with locking portions 322 that extend toward the inside of the cover 31 and correspond to the locking grooves 18. The above-described cover 31 is further provided with two positioning columns 311 that are combined with the positioning groove 17 in a protruding manner.

  Please refer to FIG. The seal case 4 is integrally formed outside the insulating body 1 and the bottom case 3, and seals the gaps between the bottom case 3 and the insulating body 1 and between the solder pins 213, 223, 233 and 253 and the bottom case 3. The above-described seal case 4 has a substantially rectangular parallelepiped rectangular tube shape, and the seal case 4 includes an accommodation space 41. Side edges of one end of the seal case 4 extend inward to form a holding portion 42. Of these, the vertical beams 421 are connected to two opposing holding portions 42 (see FIG. 5).

The manufacturing method of the audio jack connector 100 of the present invention includes the following steps.
First step: A plurality of terminals (first terminal 21, second terminal 22, third terminal 23, fourth terminal 24, and fifth terminal 25) are connected to terminal grooves 12, 13, 14, 15 and 16 of insulating body 1. 2nd step: Affix the bottom case 3 to cover the insulating body 1. Third step: Put the assembled terminal set, the insulating body 1 and the bottom case 3 into the mold, and The seal case 4 is integrally formed in the mold, and the seal case 4 seals the gap between the bottom case and the insulating body and between the solder pins 213, 223, 233 and 253 and the bottom case 3.
The above steps are included.

  Please refer to FIG. 2 and FIG. When assembling the audio jack connector 100 of the present invention, first, the first terminal 21, the second terminal 22, the third terminal 23, the fourth terminal 24, and the fifth terminal 25 are sequentially connected to the first terminal groove 12 of the insulating body 1, The second terminal groove 13, the third terminal groove 14, the fourth terminal groove 15, and the fifth terminal groove 16 are inserted. At this time, the contact portions 212, 222, 232, 242, and 252 of the first terminal 21, the second terminal 22, the third terminal 23, the fourth terminal 24, and the fifth terminal 25 are movably moved from the insertion hole 11. The extending and fixing portions 211, 221, 231, 241 and 251 are fixed in the first terminal groove 12, the second terminal groove 13, the third terminal groove 14, the fourth terminal groove 15, and the fifth terminal groove 16, The solder pins 213, 223, 233 and 253 extend out of the insulating body 1.

  Next, the bottom case 3 is bonded to the insulating body 1 in the direction from the bottom wall 114 to the upper wall 113, the cover 31 of the bottom case 3 is covered with the bottom wall 114 of the insulating body 1, and the solder pins 213 of each terminal are covered. 223, 233 and 253 are extended from the mounting groove 321 to the outside of the bottom case 3, the engaging portion 322 of the bottom case 3 is engaged in the engaging groove 18 of the insulating body 1, and the positioning column of the bottom case 3 is engaged. 311 is inserted into the positioning groove 17 of the insulating body 1.

  Finally, the assembled assembly of the terminal set, the insulating body 1 and the bottom case 3 is placed in a molding die, and insert molding is performed in the mold to seal the outside of the terminal set, the insulating body 1 and the bottom case 3 combination. The case 4 is formed, and the front wall 111 of the insulating body 1 is aligned with one end of the seal case 4.

  The audio jack connector 100 of the present invention is soldered onto a printed circuit board, and thus the printed circuit board on which the audio jack connector 100 is mounted is mounted inside an electronic product (not shown), and the audio jack connector 100 is an electronic product. It arrange | positions at the insertion port part of a casing, and uses for a connection with a corresponding audio plug connector.

  As described above, in the audio jack connector 100 and the manufacturing method thereof according to the present invention, the interior of the electronic product is blocked from mutual communication with the external space via the audio jack connector 100 by bonding the bottom case 3 to the insulating body 1. Further, by integrally molding the sealing case 4 that covers the outside of the insulating body 1 and the bottom case 3, the inside of the electronic product is further blocked from mutual communication with the external space via the audio jack connector 100, thereby Water and moisture are prevented from entering the inside of the electronic product from the audio jack connector 100, thereby achieving the purpose of waterproofing.

DESCRIPTION OF SYMBOLS 100 Audio jack connector 1 Insulation main body 10 Main part 11 Insertion hole 111 Front wall 112 Rear wall 113 Upper wall 114 Bottom wall 115 Side wall 12 1st terminal groove 13 2nd terminal groove 14 3rd terminal groove 15 4th terminal groove 16 5th Terminal groove 17 Positioning groove 18 Locking groove 21 1st terminal 22 2nd terminal 23 3rd terminal 24 4th terminal 25 5th terminal 211, 221, 231, 241, 251 Fixing part 212, 222, 232, 242, 252 Contact Parts 213, 223, 233, 253 Solder pin 3 Bottom case 3 31 Cover 311 Positioning column 32 Holding part 321 Mounting groove 322 Locking part 4 Sealing case 41 Storage space 42 Holding part 421 Vertical beam

Claims (5)

In audio jack connector,
An insulating main body having a main body, the main body having a front wall and a bottom wall, an insertion hole being opened in the front wall, and a plurality of terminal grooves communicating with the insertion hole being opened in the bottom wall The insulation body;
A plurality of terminals, each of which is inserted into a terminal groove and includes a solder pin;
A bottom case, which is bonded to the bottom wall of the insulating main body to cover the bottom wall, thereby blocking communication with the outside of the terminal groove, and the bottom case includes a cover, on both sides of the cover The bottom case, wherein both ends are bent and extended to form two holding portions, attachment grooves are formed in the holding portions, and the solder pins of the terminals extend from the attachment grooves,
A sealing case, which is integrally formed outside the insulating body and the bottom case, and seals a gap between the bottom case and the insulating body and between the solder pin and the bottom case, and the solder pin is the sealing case. The seal case extending outwardly,
An audio jack connector characterized by including   2. The audio jack connector according to claim 1, wherein the main portion of the insulating body further includes a rear wall, an upper wall, and both side walls, and a locking groove is formed in each of the both side walls. An audio jack connector characterized by having an engaging portion extending from the inside of the cover and corresponding to the engaging groove, and the engaging portion is engaged in the engaging groove.   2. The audio jack connector according to claim 1, wherein two positioning grooves are formed in the bottom wall of the insulating body, two positioning columns are provided in the cover, and the positioning columns are inserted into the positioning groove. An audio jack connector, characterized in that   2. The audio jack connector according to claim 1, wherein a front wall of the insulating body is aligned with one end of the seal case. In the manufacturing method of the audio jack connector,
First step: mounting a plurality of terminals in the terminal grooves of the insulating body,
Second step: A bottom case is bonded to cover the insulating body.
Third step: The assembled assembly of the terminal set, the insulating main body and the bottom case is put in a molding die, and a seal case is integrally formed in the mold, and the seal case is used between the bottom case and the insulating main body and the solder. Sealing the gap between the pin and the bottom case,
The manufacturing method of the audio jack connector characterized by including the above step.

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