CN108539537A

CN108539537A - Plug

Info

Publication number: CN108539537A
Application number: CN201810251161.6A
Authority: CN
Inventors: 杨伟
Original assignee: JUST CONNECTOR KUNSHAN CO Ltd
Current assignee: JUST CONNECTOR KUNSHAN CO Ltd
Priority date: 2018-03-26
Filing date: 2018-03-26
Publication date: 2018-09-14
Anticipated expiration: 2038-03-26
Also published as: CN108539537B

Abstract

This application provides a kind of plugs, including metal shell, the printed circuit board being inserted into the metal shell, it is welded in the printed circuit front edge of board and is exposed to the conducting terminal of the metal shell upper and lower surface and the metal shell and printed circuit board are molded the insulating body being combined as a whole, the metal shell forms the host cavity that rear end opens, the upper and lower surface of the host cavity front end, which removes to be formed, is exposed to extraneous opening for the conducting terminal, the conducting terminal includes several transmission terminals and the inspection terminal in front of the transmission terminal both sides, the inspection terminal includes the weld part being welded on the printed circuit board and extends outward the contact site on the outside of the printed circuit board from the weld part.The application adds the detecting function of plug, can be synchronized in charging and play music by earphone.

Description

Plug

Technical field

This application involves electric connector field, more particularly to a kind of plug.

Background technology

Apple Inc. eliminates 3.5mm earphone interfaces from after iPhone7, uses the progress of Lighting (lightning) interface instead Audio transmission, but Lighting (lightning) interface is also only provided with one, undertakes the function of charging and audio transmission, is charging When can not then be listened to music using earphone, can not then charge when being listened to music using earphone.

Apple lightning socket standard itself has 10 transmission terminals, such as Chinese patent application CN105762541A patents Shen Attached drawing 10 please discloses a kind of lightning socket, which includes 10 transmission terminals, outermost two transmission in left and right Terminal is not used in actual use.Currently, to solve the problems, such as while charging and listening to music, need to use one Two switching interfaces are dragged, when using one drag two interface, need to notify central processing unit to the equipment state of connection, at this time, it may be necessary to It uses detection signal terminal to be controlled, it is thus desirable to two transmission terminals in the not used outside of lightning socket.

Invention content

In consideration of it, it is necessary to provide a kind of plug, with solve not using simultaneously in existing iPhone lightning interface into The problem of row charging by earphone with music is played.

In order to solve the above technical problems, this application provides a kind of plug, including metal shell, the insertion metal shell Interior printed circuit board is welded in the printed circuit front edge of board and is exposed to the conducting terminal of the metal shell upper and lower surface And the metal shell and printed circuit board are molded the insulating body being combined as a whole, the metal shell forms rear end and opens Host cavity, the upper and lower surface of the host cavity front end, which removes to be formed, is exposed to extraneous opening for the conducting terminal, described Conducting terminal includes several transmission terminals and the inspection terminal in front of the transmission terminal both sides, the inspection terminal include The weld part that is welded on the printed circuit board and extend outward connecing on the outside of the printed circuit board from the weld part Contact portion.

Preferably, the host cavity includes the upper and lower surface, side and front end face, and the side is to host cavity concave shape At card slot, interconnecting piece is equipped between the side and the front end face.

Preferably, the side of the metal shell is recessed to form card slot to the host cavity, and the connecting portion is in described The front end of card slot, the interconnecting piece remove to form notch section in both sides up and down, and the contact site of the inspection terminal is in the notch Above portion.

Preferably, the width of the interconnecting piece is less than the width of the side and the front end face.

Preferably, the connecting portion is equipped with forming tank in the inside of the host cavity, and the forming tank is in above-below direction Penetrate through the interconnecting piece.

Preferably, preforming in the forming tank of the metal shell to have a plastic block, the plastic block include be located at it is described at Middle part in type groove and extend isolation part outside the forming tank.

Preferably, the contact site of the inspection terminal above the isolation part and contacts the isolation part, it is described every The inspection terminal and the interconnecting piece are electrically isolated from portion.

Preferably, the contact site bottom surface of the inspection terminal is ironed, i.e., the bottom surface of the described contact site is higher than the weld part Bottom surface to increase the distance between the contact site bottom surface and the interconnecting piece.

Preferably, the weld part of the inspection terminal is welded on the printed circuit board, and the contact site raises up Contact point is formed, the welding surface of the weld part, which is equipped with, holds molten tin bath.

Preferably, the printed circuit board further includes matrix part and the through slot that is opened in described matrix portion, the weldering It connects region to be located in the host cavity and at the aperture position, the insulating body fills the perforation when being integrally formed Slot.

The application plug accommodates the inspection terminal notch section by cutting off metal shell front end outer side upper and lower sides to be formed, The case where contact site of the inspection terminal is extended outward outside printed circuit board, ensures the metal shell integrality simultaneously Under, realize docking for the inspection terminal and socket end corresponding terminal.

Description of the drawings

Attached drawing described herein is used for providing further understanding of the present application, constitutes part of this application, this Shen Illustrative embodiments and their description please do not constitute the improper restriction to the application for explaining the application.

Fig. 1 is the three-dimensional combination figure of the application plug；

Fig. 2 is the stereogram exploded view of the application plug；

Fig. 3 is that the conducting terminal of the application plug is welded in the stereogram of printed circuit board；

Fig. 4 is the stereogram of the tow sides of the application plug inspection terminal；

Fig. 5 is the stereogram and its partial enlarged view of the application plug metal shell；

Fig. 6 is that the application plug hides the stereogram after insulating body.

Specific implementation mode

To keep the purpose, technical scheme and advantage of the application clearer, below in conjunction with the application specific embodiment and Technical scheme is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the application one Section Example, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not doing Go out the every other embodiment obtained under the premise of creative work, shall fall in the protection scope of this application.

It please refers to Fig.1, shown in Fig. 2, the application plug includes metal shell 10, the printing be inserted into the metal shell 10 Circuit board 30, the conducting terminal 40 for being welded in 30 front end of the printed circuit board and being exposed to 10 upper and lower surface of the metal shell And the metal shell 10 and printed circuit board 30 are molded the insulating body 20 being combined as a whole.

It please refers to shown in Fig. 2, Fig. 5, the metal shell 10 is manufactured using die casting or CNC techniques, the metal shell 10 The host cavity 12 that rear end opens is formed, the host cavity 12 includes upper and lower surface 11, side 13 and front end face 14, the host cavity 12 cut out to form opening 15 so that the conducting terminal 40 reveals at 14 position of the front end face positioned at the upper and lower surface 11 For the upper and lower surface 11.The inside recess of host cavity 12 forms card slot 131 on the side 13.The side 13 with it is described before The interconnecting piece 132 of arcuate structure is connected between end face 14, the interconnecting piece 132 is located at the front end of the card slot 131, the company The width of socket part 132 is less than the width of the side 13 and the front end face 14, thus in the both sides up and down of the interconnecting piece 132 Form notch section 133.The inside that the interconnecting piece 132 is located at the host cavity 12 is equipped with forming tank 134, the forming tank 134 The interconnecting piece 132 is penetrated through in above-below direction, and the straight slot 134 forms the opening for being wider than middle section 1342 in upper and lower ends 1341。

It please refers to shown in Fig. 2, Fig. 4,

The conducting terminal 40 includes several transmission terminals 41 and positioned at the outermost inspection terminal of the transmission terminal 42. The inspection terminal 42 includes weld part 421, protrude outward from 421 front end of the weld part contact site 422 extended to form and Raise up the contact point 423 to be formed from the contact site 422.The welding surface of the weld part 421, which is equipped with, holds molten tin bath 424.Institute The length for stating weld part 421 is more than the length of the contact site 422 so that bonding area bigger.

Shown in Fig. 3, Fig. 6, the printed circuit board 30 includes matrix part 31, is inserted into the host cavity 12 And the through slot 33 for being located at the welding region 32 at 15 positions of the opening and being opened in described matrix portion 31.The conducting end Son 40 is welded on the welding region 32 of the printed circuit board 30, and the contact point 423 of the inspection terminal 42 is located at the biography At the 411 outer front position of contact point of output terminals 41.

The contact site 422 of the inspection terminal 42 extends outward 30 outside of the printed circuit board, i.e., the described contact site 422 are located at the top of the interconnecting piece 132, and there are certain gap between the contact site 422 and the interconnecting piece 132, This is the reason of excision about 132 both sides of interconnecting piece form notch section 133, and the contact site 422 is made to be unlikely to be electrically connected with Touch the interconnecting piece 132.

Emphasis as shown in fig.2, further to release the short circuit problem of the inspection terminal 42 and the metal shell 10, The application advance comprising plastic block 50 in the forming tank 134 of 132 inside of the interconnecting piece, adapts to the knot of the forming tank 134 Structure, the plastic block 50 include the middle part 51 being located in the forming tank 134 and extend 134 outer isolation part of the forming tank 52, the isolation part 52 is isolated between the contact site 422 and the interconnecting piece 132 each other may short-circuit wind Danger.

In another embodiment, the technical solution of preforming plastic block 50 can not also be used to save manufacturing cost, this When, need 422 bottom surface of contact site of the inspection terminal 42 being arranged to ironed, i.e., the bottom surface of the contact site 422 is higher than institute The bottom surface of weld part 421 is stated to increase the distance between 422 bottom surface of the contact site and the interconnecting piece 132.

The manufacturing theory of the plug of the application is as follows：

Metal shell 10 described in first die cast is molded the plastic block in the forming tank 134 of the metal shell 10 50, it is inserted into the printed circuit board 30 from 10 rear end of the metal shell, the conducting terminal 40 is welded in the printing electricity On the welding region 32 of 30 front end of road plate, insulating body 20 described in type are ultimately molded onto, the insulating body 20 is packed into described It is combined as a whole in the through slot 33 of printed circuit board 30.

The application plug accommodates the inspection terminal 42 and lacks by cutting off 10 front end outer side upper and lower sides of metal shell to be formed Oral area 133, while the contact site of the inspection terminal 42 422 being extended outward outside printed circuit board 30, ensure the metal In the case of 10 integrality of shell, docking for the inspection terminal 42 and socket end corresponding terminal is realized.

It should also be noted that, the terms "include", "comprise" or its any other variant are intended to nonexcludability Including so that process, method, commodity or equipment including a series of elements include not only those elements, but also wrap Include other elements that are not explicitly listed, or further include for this process, method, commodity or equipment intrinsic want Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that wanted including described There is also other identical elements in the process of element, method, commodity or equipment.

Above is only an example of the present application, it is not intended to limit this application.For those skilled in the art For, the application can have various modifications and variations.It is all within spirit herein and principle made by any modification, equivalent Replace, improve etc., it should be included within the scope of claims hereof.

Claims

1. a kind of plug, including metal shell, be inserted into the metal shell printed circuit board, be welded in the printed circuit Front edge of board is simultaneously exposed to the conducting terminal of the metal shell upper and lower surface and is molded the metal shell and printed circuit board The insulating body being combined as a whole, the metal shell form the host cavity that rear end opens, the upper following table of the host cavity front end Face, which removes to be formed, is exposed to extraneous opening for the conducting terminal, which is characterized in that the conducting terminal includes several transmission Terminal and the inspection terminal in front of the transmission terminal both sides, the inspection terminal include being welded in the printed circuit board On weld part and extend outward the contact site on the outside of the printed circuit board from the weld part.

2. plug as described in claim 1, which is characterized in that the host cavity includes the upper and lower surface, side and front end Face, the side are recessed to form card slot to host cavity, and interconnecting piece is equipped between the side and the front end face.

3. plug as claimed in claim 2, which is characterized in that the side of the metal shell is recessed to be formed to the host cavity Card slot, the connecting portion remove to form notch section in both sides up and down in the front end of the card slot, the interconnecting piece, the sense terminal The contact site of son is above the notch section.

4. plug as claimed in claim 3, which is characterized in that the width of the interconnecting piece is less than the side and the front end The width in face.

5. plug as claimed in claim 3, which is characterized in that the connecting portion is equipped with molding in the inside of the host cavity Slot, the forming tank penetrate through the interconnecting piece in above-below direction.

6. plug as claimed in claim 5, which is characterized in that it is preforming in the forming tank of the metal shell to have plastic block, The plastic block includes the middle part being located in the forming tank and extends isolation part outside the forming tank.

7. plug as claimed in claim 6, which is characterized in that the contact site of the inspection terminal is above the isolation part And the isolation part is contacted, the isolation part electrically isolates the inspection terminal and the interconnecting piece.

8. plug as claimed in claim 3, which is characterized in that the contact site bottom surface of the inspection terminal is ironed, i.e., described to connect The bottom surface of contact portion is higher than the bottom surface of the weld part to increase the distance between the contact site bottom surface and the interconnecting piece.

9. plug as described in claim 1, which is characterized in that the weld part of the inspection terminal is welded in the printed circuit On plate, the contact site raises up to form contact point, and the welding surface of the weld part, which is equipped with, holds molten tin bath.

10. plug as described in claim 1, which is characterized in that the printed circuit board further includes matrix part and is opened in institute The through slot on matrix part is stated, the welding region is located in the host cavity and at the aperture position, the insulation The through slot is filled when this body by integral forming.