TWI829461B - Audio connector - Google Patents

Abstract

An audio source connector includes a sharp pole unit, a three-ring pole unit, and a set of pole units. The tip unit includes a tip having a tip portion and a straight rod-shaped tip portion extending backward from the tip portion. The ring-pole units are connected in series behind the sharp-pole unit. Each ring-pole unit includes a ring terminal and an insulating ring. The ring terminal has a link portion for the insulating ring to be installed, and a link portion backward from the link portion. The looped foot extends into a straight rod shape. The set pole unit is disposed behind the ring pole units and allows the pointed legs and the ring legs to extend. The set pole unit includes a set of terminals and an insulating sleeve. The set of terminals has an insulating sleeve for the A sleeve portion is provided, and a sleeve foot portion extends rearwardly from the sleeve portion. The audio source connector has a design in which the pointed legs and the ring legs are parallel to each other and each has a straight rod shape. It is suitable for welding several wire heads in a straight line and is easy to assemble and use.

Description

Audio connector

The present invention relates to a connector, in particular to an audio source connector including multiple terminals for connecting audio source lines.

Referring to Figures 1 and 2, an existing audio source connector 1 disclosed in the Japanese International Publication No. JPA-WO2017217155 is suitable for connecting an audio source cable (not shown) with a multi-conductor head, and can be used to transmit audio. The audio source connector 1 includes a first terminal 11 , a second terminal 12 , a third terminal 13 , a fourth terminal 14 and a fifth terminal 15 , which are arranged in series along an axis 10 . There is an insulating ring 16 between every two adjacent terminals from the first terminal 11 to the fifth terminal 15 , and a connecting seat 17 connecting the fifth terminal 15 .

The first terminal 11 has a first segment 111 and a first leg 112 extending rearward from the center of the first segment 111 and being in the shape of a round rod. The second terminal 12 has a second section 121 and a second leg 122 extending rearward from the center of the second section 121 and in the shape of a circular tube for the first leg 112 to coaxially extend. The third terminal 13 has a third section 131 , and a third section 131 from the rear end side edge of the third section 131 . The third leg 132 extends and is arc-shaped. The fourth terminal 14 has a fourth section 141 and a fourth leg 142 extending backward from the rear end side edge of the fourth section 141 and having an arc shape. The fifth terminal 15 is cylindrical, and the first leg 112 , the second leg 122 , the third leg 132 and the fourth leg 142 extend out.

However, since the first terminal 11 , the second terminal 12 , the third terminal 13 , the fourth terminal 14 and the fifth terminal 15 have different structures, the manufacturing cost is high. Furthermore, since the first leg 112 is in the shape of a round rod, the second leg 122 is in the shape of a round tube, and the third leg 132 and the fourth leg 142 are both arc-shaped, so when the sound source line It is difficult to position the wire heads when they are welded separately. The wire heads often have to be bent at an angle to be positioned and then welded. Not only is it difficult to assemble, but the welding joint is also prone to breakage due to twisting. Therefore, the above-mentioned existing design of the audio source connector 1 still needs to be improved.

Therefore, it is an object of the present invention to provide an audio source connector that can overcome at least one disadvantage of the prior art.

Therefore, the audio source connector of the present invention includes a sharp pole unit, a three-ring pole unit, and a set of pole units.

The tip unit includes a tip made of conductive material, the tip has a tip portion arranged along an axis, and a tip parallel to the axis and formed by the tip portion. The head extends backward into a straight rod-like pointed foot.

The ring-pole units are arranged along the axis and connected in series behind the tip unit, with the pointed legs extending through. The structures of the ring-pole units are the same, and each ring-pole unit includes a conductive A ring terminal made of materials, and an insulating ring made of insulating material. The ring terminal has an annular link portion for the insulating ring to be inserted, and a straight link parallel to the axis and extending backward from the link portion. The rod-shaped ring foot portion, the insulating ring is interposed between the ring terminal and the tip terminal, or between the ring terminal and the adjacent ring terminal.

The set pole unit is disposed along the axis at an end of the ring pole units away from the tip unit, and allows the pointed legs and the ring legs to extend through. The set pole unit includes a pole made of conductive material. A set of terminals, and an insulating sleeve made of insulating material. The terminal set has a tubular sleeve portion for the insulating sleeve to be arranged, and a sleeve parallel to the axis and extending rearwardly from the sleeve portion. The insulating sleeve is interposed between the sleeve portion and the adjacent ring terminal.

The effect of the present invention is that the ring terminals have the same structure, so they are easy to manufacture and the cost is reduced. In addition, the pointed legs and the ring legs are parallel to each other and each have a straight rod shape, which is suitable for supplying Several wire heads are welded in straight lines, making assembly easy.

2:Audio source connector

20:Axis

3: Tip unit

31:pointed tip

311: Tip section

312:Pointed feet

32: Positioning rod

4: Ring pole unit

41:Ring terminal

411: Link Department

412: Ring foot

42:Insulation ring

421: ring septum

422: Ring pad part

423: Ring-through groove

5: Set pole unit

51: Set of terminals

511:Socket Department

512: Foot set

513:The first card department

52:Insulation sleeve

521: Set partition part

522:Cushion Department

523: Slip-on slot

6: Connecting unit

61:Second Card Department

62:Thread part

7:Outer cylinder unit

71:Screw

9:Audio source cable

91:Wire head

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, in which: Figure 1 is a three-dimensional exploded view illustrating an existing sound source disclosed in Japanese International Publication No. JPA-WO2017217155. connector; Figure 2 is a longitudinal sectional view illustrating the existing audio source connector; Figure 3 is a perspective rear view illustrating an embodiment of the audio source connector of the present invention; Figure 4 is a perspective exploded view illustrating the embodiment; Figure 5 is An incomplete longitudinal cross-sectional view illustrates the state in which the embodiment is assembled with an audio source connection line; and FIG. 6 is a transverse cross-sectional view illustrating the embodiment.

Referring to Figures 3 to 6, one embodiment of the audio source connector 2 of the present invention is a five-pole connector (TRRRS plug), which is suitable for connecting to an audio source cable 9 for electrical connection such as but not limited to an amplifier or an electroacoustic instrument ( (not shown in the figure), and can be detachably inserted into an audio source hole (not shown in the figure) along an axis 20 to provide audio transmission. The sound source cable 9 has a digital wire end 91 . The axis 20 shown in the figure of this embodiment extends in the front-to-back direction, but the direction can also be changed in the design, which will not be described again. The audio source connector 2 includes a sharp pole unit 3, a three-ring pole unit 4, a set of pole units 5, and a connecting unit 6.

The tip unit 3 includes a tip element integrally formed of conductive material. 31, and three positioning rods 32 (because the viewing angle is blocked, only two positioning rods 32 are shown in Figure 4). The tip 31 has a tip portion 311 located at the front end and arranged along the axis 20 , and a tip portion 312 parallel to the axis 20 . The pointed leg portion 312 is eccentrically extended backward from the rear end of the pointed portion 311 to form a straight rod shape, and its cross section is solid fan-shaped with its center facing the axis 20 . The positioning rods 32 are parallel to the pointed foot portion 312 and spaced at an angle of 90 degrees from each other. Each of the positioning rods 32 extends backward from the rear end of the pointed portion 311 to form a straight rod shape and is shorter than the pointed foot portion. 312, which can be used to securely position the pointed feet 312 at four corners. It should be noted that the number of the positioning rods 32 is not limited to three. It can be one or two according to actual needs. Of course, the installation can also be omitted.

The ring-pole units 4 are arranged along the axis 20 and connected in series behind the tip-pole unit 3 , with the tip portion 312 passing through. The rings-pole units 4 have the same structure and are rotated 90 degrees to each other. Each ring electrode unit 4 includes a ring terminal 41 integrally formed of conductive material, and an insulating ring 42 integrally formed of insulating material. The ring terminal 41 has an annular link portion 411 into which the insulating ring 42 is inserted, and a straight rod-shaped ring foot portion 412 that is parallel to the axis 20 and eccentrically extends backward from the link portion 411 . The ring leg portion 412 protrudes radially from the inner surface of the ring portion 411 in the direction of the axis 20 and then extends rearward. The cross section of the ring leg portion 412 is a solid fan shape with the center of the circle facing the axis 20 . The ring leg portions 412 of the ring terminals 41 and the pointed leg portions 312 of the tip tip 31 are spaced at an angle of 90 degrees around the axis 20 and formed on the same circle.

Each insulating ring 42 is interposed between the corresponding ring terminal 41 and the tip 31, or between the ring terminal 41 and the adjacent ring terminal 41. The insulating ring 42 has a link extending into the ring terminal 41. There is an annular spacer part 421 inside the part 411, and an annular pad part 422 protruding radially outward and axially forward from the front end of the annular spacer part 421. The ring partition 421 is generally in the form of a "♁" shaped cylinder with one corner missing, and defines four ring-through grooves 423 spaced at equal angles for the pointed leg portion 312 and the ring leg portions 412 to respectively extend. The cross section of the annular groove 423 is fan-shaped. The ring pad portion 422 is interposed between the link portion 411 and the adjacent tip portion 311 or between the link portion 411 and the adjacent link portion 411 . It should be noted that, among the four ring through grooves 423 of the insulating ring 42 adjacent to the tip portion 311, except for one of the ring through grooves 423 for the pointed leg portion 312 to pass through, the remaining three rings are The through grooves 423 are for the positioning rods 32 to be inserted and positioned.

The set pole unit 5 is disposed along the axis 20 at an end of the ring pole units 4 away from the pointed pole unit 3, and allows the pointed foot portion 312 and the ring foot portions 412 to pass through. 5 includes a sleeve terminal 51 integrally formed of conductive material, and two insulating sleeves 52 integrally formed of insulating material. The set of terminals 51 has a sleeve portion 511 that is tubular around the axis 20 and has two ends for the insulating sleeves 52 respectively. The extended leg portion 512 and a first engaging portion 513 formed on the outer surface of the collar portion 511 . The set foot portion 512, the pointed leg portion 312 and the ring leg portions 412 are parallel to each other and the set foot portion 512 is parallel to each other. The legs 512 are spaced apart on the outside.

The insulating sleeves 52 have the same structure and opposite directions. One of the insulating sleeves 52 is disposed between the front end of the sleeve portion 511 and the adjacent ring terminal 41 , and the other insulating sleeve 52 is disposed in the reverse direction. The hub portion 511 is at the rear end. The structure of each insulating sleeve 52 is the same as that of each insulating ring 42, and has a sleeve partition portion 521 extending into the sleeve portion 511, and a radially outward axial protrusion from the sleeve partition portion 521. The cover pad part 522. The sleeve partition 521 defines four sleeve penetration grooves 523 spaced at equal angles for the pointed leg portion 312 and the ring leg portions 412 to respectively extend. The pad portion 522 of the insulating sleeve 52 located at the front end is interposed between the front end of the sleeve portion 511 and the adjacent link portion 411 , and the pad portion 522 of the insulating sleeve 52 located at the rear end 522 is provided in the rear end of the hub portion 511 .

The connecting unit 6 is integrally formed of insulating material and is combined on the periphery of the pole unit 5. In this embodiment, the connecting unit 6 is a screw seat, including a first clamping portion formed on the inner surface and buckled to the first clamping portion. 513, and a threaded portion 62 formed on the outer surface. In this embodiment, the second locking portion 61 is a convex ring and the first locking portion 513 is a concave ring, but their combination structure can also be changed, as long as they are fixed together without relative rotation, so it is not necessary to use This embodiment is limited.

It should be noted that the conductive materials used in the tip tips 31 of the tip unit 3, the ring terminals 41 of the ring pole units 4, and the sets of terminals 51 of the set pole unit 5 are, for example, But not limited to copper-based or iron-based metals or alloy, and optionally electroplated. The insulating materials used in the insulating rings 42 of the ring pole units 4 , the insulating sleeves 52 of the sleeve pole units 5 and the connecting unit 6 are, for example, but not limited to polyoxymethylene (POM) or polyamide. (PA).

When the audio source connector 2 and the audio source cable 9 are assembled, the manufacturer, seller or buyer can perform welding and assembly so that the pointed foot portion 312 and the ring foot portions 412 are linearly welded to the corresponding wire heads 91 respectively. It becomes four contacts for transmitting the positive and negative signals of the left channel and the positive and negative signals of the right channel, and the leg portion 512 is welded to the wire head 91 corresponding to the audio source line 9, and Becomes a contact for grounding. Then glue is applied to insulate and encapsulate the components. Finally, an outer cylinder unit 7 is externally screwed to the threaded portion 62 of the connecting unit 6, so that the outer cylinder unit 7 is spaced around the periphery of the pointed leg portion 312, the ring leg portions 412 and the sleeve leg portion 512. and the periphery of the welding point with the audio source cable 9, and fix the audio source cable 9 with a screw 71 to complete the assembly.

In summary, the audio source connector 2 of the present invention has the same design as the ring pole units 4, so it is easy to manufacture and can reduce the cost. In addition, the pointed leg portion 312 and the ring leg portions 412 are parallel to each other and Each straight rod-shaped design allows the wire heads 91 to be welded in a straight line, so it is easy to assemble and process, and can avoid torsional fractures that are commonly caused by turning welding, and can improve signal reliability. , has excellent practicability, so it can indeed achieve the purpose of the present invention. On the other hand, because the tip terminals 31, the ring terminals 41 and the set of terminals 51 are each integrally formed, The design can not only reduce resistance and improve the quality of transmitted audio signals, but also improve mechanical strength and mechanical performance, which can enhance market competitiveness.

However, the above are only examples of the present invention, and should not be used to limit the scope of the present invention. All simple equivalent changes and modifications made based on the patent scope of the present invention and the content of the patent specification are still within the scope of the present invention. Within the scope covered by the patent of this invention.

2:Audio source connector

20:Axis

3: Tip unit

31:pointed tip

311: Tip section

312:Pointed feet

32: Positioning rod

4: Ring pole unit

41:Ring terminal

411: Link Department

412: Ring foot

42:Insulation ring

421: ring septum

422: Ring pad part

423: Ring-through groove

5: Set pole unit

51: Set of terminals

511:Socket Department

512: Foot set

513:The first card department

52:Insulation sleeve

521: Set partition part

522:Cushion Department

523: Pull-on slot

6: Connecting unit

61:Second Card Department

62:Thread part

Claims (10)

An audio source connector, including: A tip unit includes a tip made of conductive material. The tip has a tip portion arranged along an axis, and a straight rod shape parallel to the axis and extending backward from the tip portion. pointed feet; Three ring-pole units are arranged along the axis and connected in series behind the tip unit, with the pointed legs extending through. The structures of the ring-pole units are the same, and each ring-pole unit includes a conductive A ring terminal made of materials, and an insulating ring made of insulating material. The ring terminal has an annular link portion for the insulating ring to be inserted, and a straight link parallel to the axis and extending backward from the link portion. A rod-shaped ring foot, the insulating ring is interposed between the ring terminal and the tip terminal, or between the ring terminal and the adjacent ring terminal; and A set of pole units is provided along the axis at an end of the ring pole units away from the tip unit, and for the pointed legs and the ring legs to extend through. The set pole unit includes a pole made of conductive material. The sleeve terminal is made, and an insulating sleeve made of insulating material. The terminal sleeve has a tubular sleeve portion for the insulating sleeve to be arranged, and a sleeve parallel to the axis and extending rearwardly from the sleeve portion. The insulating sleeve is interposed between the sleeve portion and the adjacent ring terminal. The audio source connector as claimed in claim 1, wherein the pointed foot portion of the pointed tip and the ring foot portions of the ring terminals surround the axis at 90-degree angle intervals to each other. The sound source connector as claimed in claim 2, wherein the cross section of the pointed foot of the tip is in a solid fan shape with the center of the circle facing the axis, and the cross section of the ring foot of each ring terminal is in the shape of a solid fan with the center of the circle. towards this axis. The sound source joint according to claim 3, wherein each insulating ring has a ring partition extending into the ring portion, and a ring protruding radially outward and axially forward from the front end of the ring partition. Pad portion, the annular partition defines four annular through-grooves spaced at equal angles for the pointed leg portion and the annular leg portions to extend respectively. The cross-section of each annular through-groove is fan-shaped, and the annular pad portion An intermediary is provided between the link portion and the adjacent tip portion or between the link portion and the adjacent link portion. The sound source connector according to claim 4, wherein the ring foot portion of each ring terminal protrudes radially from the inner surface of the ring portion toward the direction of the axis. The sound source joint as claimed in claim 4, wherein the insulating sleeve has the same structure as each insulating ring, and has a sleeve partition extending into the sleeve portion, and a sleeve extending radially outward from the sleeve partition. An axially protruding cover pad portion defines four equal-angle spaced cover slots for the pointed foot portion and the ring foot portion to extend respectively. The cover pad portion is intermediaryly provided on the cover joint. between the front end of the segment and the adjacent segment of the segment. The sound source connector as claimed in claim 1 or 6, wherein the sleeve pole unit further includes another sleeve that is reversely sleeved at the rear end of the sleeve portion and for the pointed foot portion and the ring foot portions to pass through. Insulating sleeves, which are of the same construction and opposite directions. The sound source connector according to claim 1, wherein the tip unit further includes at least one straight rod-shaped positioning rod parallel to the tip portion and extending backward from the tip portion, and the at least one positioning rod is inserted into in the insulating ring of the adjacent ring-pole unit. The audio source connector according to claim 1, wherein the set of terminals also has a first clamping portion formed on the sleeve portion, and the audio source connector further includes a connecting unit made of insulating material, and the connecting unit is It is combined with the periphery of the pole unit and includes a second clamping part formed on the inner surface and buckled and positioned on the first clamping part, and a threaded part formed on the outer surface. The audio source connector as claimed in claim 1, wherein the leg portion of the terminal set is spaced outside the pointed leg portion and the ring leg portions.

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