CN203326173U - Wire-welding type RCA plug - Google Patents

Abstract

The utility model discloses a welding wire type RCA plug, comprising an insulating body, a metal shell and a metal pin, wherein the rear end of the metal shell is sleeved and fixed on the insulating body, and the front end extends forward to form a ring wall, the metal pin is fixed on the insulating body, and the root of the metal pin is located in the above-mentioned ring wall, the insulating body comprises a sleeve part and a receiving part arranged at the tail end of the sleeve part, the rear end of the above-mentioned metal pin is fixed in the receiving part, and is exposed outside the receiving part to form a first conductive contact part; the rear end of the above-mentioned metal shell is integrally extended backward to be provided with a second conductive contact part, the second conductive contact part is clamped outside the above-mentioned receiving part, and the second conductive contact part and the first conductive contact part are located on the same surface of the receiving part. Thereby, by arranging the two conductive contact parts of the plug on the same surface, the welding efficiency of the plug and the wire is improved.

Description

Soldering wire RCA plug

technical field

The utility model relates to the technology in the field of connectors, in particular to a wire-welding type RCA plug. the

Background technique

RCA is the abbreviation of Radio Corporation of America, commonly known as lotus plug, also known as AV terminal, also known as AV interface, almost all TVs and DVD players have this interface. It is not specially designed for any kind of interface. It can be used for both audio and common video signals. It is also a socket for DVD components. The conductive terminals on traditional RCA plugs are mostly symmetrical designs, and the two terminals are not on the same plane. , this structure, in the process of welding the plug and the wire, after welding one conductive terminal, it is necessary to turn the connector over and weld the other terminal, which reduces the welding efficiency of the plug and increases the production cost. Therefore, the structure of the conductive terminal of the existing RCA plug should be improved to improve the welding efficiency.

Utility model content

In view of this, the utility model aims at the shortcomings of the prior art, and its main purpose is to provide a wire-welded RCA plug, which is provided with two conductive contact parts on the same surface on the surface of the metal pin and the rear end of the metal shell. Therefore, the welding of the plug and the wire is facilitated, and the efficiency of the wire welding of the plug is improved.

In order to achieve the above object, the utility model adopts the following technical solutions:

A welding wire type RCA plug includes an insulating body, a metal shell and a metal pin, the rear end of the metal shell is sleeved and fixed on the insulating body, the front end extends forward to form a ring wall, the metal pin is fixed on the insulating body, and The root of the metal pin is located in the above-mentioned ring wall, and it is characterized in that: the insulating body includes a sleeve part and a receiving part arranged at the tail end of the socket part, and the rear end of the above-mentioned metal pin is fixed in the receiving part and exposed to the receiving part A first conductive contact part is formed on the outside; the rear end of the above-mentioned metal shell is integrally extended backward to provide a second conductive contact part, and the second conductive contact part is clamped outside the above-mentioned receiving part, and the second conductive contact part is connected to the above-mentioned first conductive contact part. The contact part is located on the same surface as the receiving part.

As a preferred solution: the insulating body is provided with a through hole for piercing and fixing the above metal pin, the through hole runs through the above socket part and the receiving part, and the receiving part is provided with a hole communicating with the through hole. A notch, the rear end of the metal pin is exposed outside the notch to form the first conductive contact part.

As a preferred solution: a plurality of clamping blocks facing the center of the circle are distributed on the circumference of the rear end of the metal shell, and a plurality of clamping slots are provided on the outer wall of the socket part of the above-mentioned insulating body corresponding to the multiple clamping blocks. The card blocks are respectively embedded in the plurality of card slots. the

As a preferred solution: the second conductive contact part includes an extension plate and an upper folded plate and a lower folded plate extending parallel to one side from the upper and lower edges of the extension plate, the two folded plates and the extension plate enclose a One side has an open clamping space, the above-mentioned receiving part is in the shape of a flat plate, and one side of the receiving part is clamped in the above-mentioned clamping space.

As a preferred solution: the upper and lower surfaces of the receiving part are respectively provided with gaps communicating with the through holes, and the metal pins are respectively exposed in the gaps on the upper and lower surfaces, forming a symmetrical first conductive contact on the upper and lower surfaces of the receiving part part, the above-mentioned upper and lower flaps are respectively on the same surface as the first conductive contact part on the upper and lower surfaces of the receiving part.

As a preferred solution: the tail end of the metal pin is provided with a limit block for limiting the position of the metal pin, and the limit block is provided with a wire groove for laying wires.

As a preferred solution: the receiving portion is provided with a first protrusion for separating the wires, and the above-mentioned limiting block is provided with a second protrusion corresponding to the first protrusion.

As a preferred solution: the limiting block corresponds to the upper receiving portion of the insulating body, and is closely attached to the rear end of the receiving portion.

As a preferred solution: the metal pin includes a metal core and a metal sleeve sleeved outside the metal core and in contact with the outer wall of the metal core, the rear end of the metal sleeve protrudes outside the above-mentioned gap to form the above-mentioned first conductive contact department.

Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical solution that by setting the first conductive contact part on the surface of the metal pin, the first conductive contact part is set on the rear end of the metal shell. The second conductive contact part is on the same surface, so that when the plug is welded with the wire, the wire can be welded to the first conductive contact part and the second conductive contact part at the same time without turning over the plug, which improves the reliability of the plug. Wire bonding efficiency reduces wire bonding costs.

In order to more clearly illustrate the structural features and functions of the utility model, it will be described in detail below in conjunction with the accompanying drawings and specific embodiments. the

Description of drawings

Fig. 1 is the three-dimensional schematic diagram of the assembly of the utility model;

Figure 2 is a schematic diagram of assembly from another perspective of the utility model;

Fig. 3 is a schematic cross-sectional view at A-A of Fig. 2;

Fig. 4 is a schematic cross-sectional view at B-B of Fig. 2;

Figure 5 is an exploded perspective view of the utility model;

Fig. 6 is a three-dimensional schematic view of the insulating body of the present invention.

Explanation of the accompanying drawings :

10. Insulation body 11. Socket

111. Card slot 12. Receiving part

121. Gap 122. First bump

13. Through hole 20. Metal pin

21. Metal core 22. Metal casing

23. Limiting block 231. Wire slot

232. The second protrusion 24. The first conductive contact part

30. Metal shell 31. Ring wall

32. Second conductive contact part 321. Extension board

322. Upper folding plate 323. Lower folding plate

324. Clamping space 33. Block. the

Detailed ways

As shown in Figures 1 to 6 of the present invention, a wire-welding type RCA plug includes an insulating body 10, a metal pin 20 and a metal shell 30, wherein:

The insulating body 10 includes a cylindrical sleeve portion 11 and a receiving portion 12 integrally arranged at the tail end of the sleeve portion 11, and a through hole for inserting the above-mentioned metal pin 20 is provided through the middle of the sleeve portion 11 and the receiving portion 12. 13. The receiving part 12 is in the shape of a flat plate, and a gap 121 communicating with the through hole 13 and a first protrusion 122 for separating the wire rods are respectively provided on the upper and lower surfaces of the receiving part 12; on the outer wall of the socket part 11 A plurality of card slots 111 for cooperating and fixing with the metal shell 30 are provided on the top.

The metal pin 20 is fixed in the above-mentioned through hole 13, and it includes a metal core 21, a metal sleeve 22 sleeved outside the metal core 21 and in contact with the outer wall of the metal core 21, and a limiter for limiting the position of the metal pin 20. Block 23, the metal sleeve 22 rear end is fixed in the above-mentioned receiving part 12, and is exposed outside the above-mentioned gap 121, and the first conductive contact part 24 for welding wire is formed on the upper and lower surfaces of the receiving part 12 respectively; The block 23 corresponds to the receiving part 12 on the above-mentioned insulating body 10, and is close to the rear end of the receiving part 12; the upper and lower surfaces of the limiting block 23 are respectively provided with two wire slots 231 for shelving wire rods and are used to connect the two wire slots. 231 separates the second protrusions 232 , the second protrusions 232 correspond to the first protrusions 122 on the receiving portion 12 .

The rear end of the metal shell 30 is socketed and fixed on the socket portion 11 of the insulating body 10, and the front end of the metal shell 30 extends forward to form a ring wall 31. The root of the metal pin 20 is located in the ring wall 31. The metal shell 30 The rear end is integrally extended backward with a second conductive contact portion 32, the second conductive contact portion 32 includes an extension plate 321 and an upper flap 322 and a lower flap extending parallel to one side from the upper and lower edges of the extension plate 321. Folding plate 323, the upper folding plate 322, the lower folding plate 323 and the extension plate 321 enclose a clamping space 324 with an opening on one side, and one side of the above-mentioned receiving part 12 is clamped in the clamping space 324, and folded upward The plate 322 and the lower folding plate 323 are respectively on the same surface as the first conductive contact portion 24 on the upper and lower surfaces of the receiving portion 12; on the circumference of the rear end of the metal casing 30, there are a plurality of clamping blocks 33 facing the center of the circle distributed in a circular shape. The plurality of locking blocks 33 correspond to the locking slots 111 on the insulating body 10 , and the plurality of locking blocks 33 are inserted into the plurality of locking slots 111 after the metal shell 30 is socketed with the sleeve portion 11 .

The key point of the design of this utility model is that, by setting the first conductive contact part on the surface of the metal pin, and setting the second conductive contact part on the same surface as the first conductive contact part at the rear end of the metal shell, so that the plug is connected with the wire During welding, the wire can be welded to the first conductive contact part and the second conductive contact part simultaneously without turning over the plug, which improves the wire welding efficiency of the plug and reduces the wire welding cost.

The above are only preferred embodiments of the present utility model, and are not intended to limit the technical scope of the present utility model. Therefore, any minor modifications, equivalent changes and equivalent changes made to the above embodiments according to the technical essence of the present utility model Modifications still belong to the scope of the technical solution of the utility model. ``

Claims (9)

1. a wire welding type RCA plug, include insulating body, metal shell and metallic pin, this metal shell rear end is fixed by socket on insulating body, front end extends to form forward ring wall, this metallic pin is fixed on insulating body, and the metallic pin root is positioned at above-mentioned ring wall, it is characterized in that: described insulating body comprises socket part and is arranged at the carrier of this socket part tail end, above-mentioned metallic pin rear end is fixed in this carrier, and is exposed to outer first electrically conducting contact that forms of carrier; Above-mentioned metal shell rear end one extends back and is provided with the second electrically conducting contact, and this second electrically conducting contact is fastened in outside above-mentioned carrier, and this second electrically conducting contact and above-mentioned the first electrically conducting contact are positioned on the carrier the same face.

2. wire welding type RCA plug according to claim 1, it is characterized in that: be provided with one on described insulating body for wearing the through hole of fixing above-mentioned metallic pin, this through hole runs through above-mentioned socket part and carrier, and being provided with the breach be connected with through hole on carrier, above-mentioned metallic pin rear end is exposed to above-mentioned the first electrically conducting contact of the outer formation of this breach.

3. wire welding type RCA plug according to claim 1, it is characterized in that: on described metal shell back end circumference, annular is distributed with a plurality of fixture blocks towards the center of circle, on the socket part outer wall of above-mentioned insulating body, to being provided with a plurality of draw-in grooves by a plurality of fixture blocks, on metal shell, fixture block embeds respectively in these a plurality of draw-in grooves.

4. wire welding type RCA plug according to claim 1, it is characterized in that: described the second electrically conducting contact include an extension board and by this extension board along and lower the edge upper flap and the lower flap portion that to a side, extend in parallel, this bifoldable plate and extension board surround the grasping part that a side has opening, above-mentioned carrier is flat tabular, and carrier one side is held in above-mentioned grasping part.

5. wire welding type RCA plug according to claim 4, it is characterized in that: the upper and lower surface of described carrier is respectively arranged with the breach be communicated with through hole, metallic pin is exposed to respectively the breach on upper and lower surface, form the first symmetrical electrically conducting contact in the upper and lower surface of carrier, aforementioned upper flap, lower flap portion respectively with the upper and lower surface of carrier on the first electrically conducting contact on the same face.

6. wire welding type RCA plug according to claim 1, it is characterized in that: described metallic pin tail end is provided with one for the guide vane end stop spacing to metallic pin, on this guide vane end stop, is provided with for the wire casing of shelving wire rod.

7. wire welding type RCA plug according to claim 6 is characterized in that: be provided with on described carrier for separating the first projection of wire rod, be provided with on above-mentioned guide vane end stop and the second projection that this first projection is corresponding.

8. wire welding type RCA plug according to claim 6, it is characterized in that: described guide vane end stop is corresponding with carrier on above-mentioned insulating body, and is close to the carrier rear end.

9. wire welding type RCA plug according to claim 1, it is characterized in that: described metallic pin comprise metal-cored and be sheathed on metal-cored outer and with the contacted metal sleeve of metal-cored outer wall, this metal sleeve rear end protrudes from that above-mentioned breach is outer forms above-mentioned the first electrically conducting contact.

Images