CN215896897U - USB socket - Google Patents

Abstract

A USB socket comprises a plug-in component, a metal inner shell sleeved outside the plug-in component, an insulating support part fixedly held outside the metal inner shell, and a metal outer shell covering the insulating support part, wherein the plug-in component comprises a butt joint part, a base part and a tail part which are sequentially arranged along a plug-in direction, a plurality of terminal welding parts protrude out of the bottom end of the tail part, the metal inner shell is assembled to the base part of the plug-in component and covers the butt joint part, the metal outer shell comprises a top plate and a pair of side plates vertically extending from two opposite sides of the top plate, the bottom end of each side plate is provided with at least one fixing pin, and the fixing pins and the plurality of terminal welding parts are used for being connected to a PCB (printed circuit board); the side plates are parallel to the major plane of the butt joint portion. This application USB socket side formula direct assembly to PCB board, required installation space is little, and assembly cost is low.

Description

USB socket

Technical Field

The present application relates to the field of electrical connectors, and more particularly, to a USB socket.

Background

A Universal Serial Bus (USB) is widely used in daily life of people, and the universal standard is mostly adopted for data transmission of electronic devices; the Type C USB socket is widely used in electronic devices such as mobile phones, and is used as a data transmission and charging interface, and generally includes a connector and a metal shell fixed outside the connector.

At present, the USB socket is connected to a PCB (printed circuit board) in a small plate switching mode, a large installation space is needed, the assembly cost is high, and the precision is insufficient.

SUMMERY OF THE UTILITY MODEL

Accordingly, there is a need for a USB receptacle that can be directly connected to a PCB.

In order to solve the technical problem, the application provides a USB socket, which comprises a plug-in component, a metal inner shell sleeved outside the plug-in component, an insulating support member fixedly held outside the metal inner shell, and a metal outer shell covering the insulating support member, wherein the plug-in component comprises a butt joint part, a base part and a tail part which are sequentially arranged along a plug-in direction, the bottom end of the tail part protrudes out of a plurality of terminal welding parts, the metal inner shell is assembled to the base part of the plug-in component and covers the butt joint part, the metal outer shell comprises a top plate and a pair of side plates vertically extending from two opposite sides of the top plate, the bottom end of each side plate is provided with at least one fixed pin, and the fixed pins and the plurality of terminal welding parts are used for being connected to a PCB board; the side plates are parallel to a major plane of the docking portion.

The metal shell is provided with a pair of side plates, the side plates are provided with a pair of stop spring pieces at positions close to the bottom, and the two sides of the insulating support piece are provided with a stop groove at corresponding positions respectively so as to accommodate the corresponding stop spring pieces.

The stop spring piece is formed by tearing the end part of the side plate.

The metal shell is provided with a pair of side plates, and the pair of side plates are respectively provided with an anti-falling blocking piece which is used for bending and abutting against the insulating support piece after the metal shell is assembled to the insulating support piece.

The metal inner shell is provided with a grounding elastic arm extending outwards, the elastic arm avoiding groove is formed in the corresponding position of the insulating support piece, and the grounding elastic arm penetrates through the elastic arm avoiding groove and is electrically connected with the inner surface of the side plate of the metal outer shell.

The metal inner shell comprises a pair of flat plate parts parallel to the main plane of the butt joint part and a pair of bent parts respectively connected with two sides of the pair of flat plate parts, and a pair of grounding elastic arms extends from the rear end of each flat plate part far away from the butt joint end.

Wherein, the metal inner shell includes a pair of flat plate portion that is on a parallel with the main plane of butt joint portion and connects a pair of flexion of the both sides of a pair of flat plate portion respectively, and each flat plate portion still is including setting up in the guide shell fragment and the mounting groove of rear end, the guide shell fragment is located between a pair of ground connection bullet arm, the mounting groove in the grafting direction with the guide shell fragment is just right, set up the installation lug on the base of grafting subassembly, the guide shell fragment is used for guiding in the assembly process the installation lug is gone into smoothly the card the mounting groove.

The metal inner shell comprises a pair of flat plate parts parallel to the main planes of the butt joint parts and a pair of bending parts respectively connected with the two sides of the pair of flat plate parts, each flat plate part further comprises a guiding elastic sheet arranged at the rear end, the tail part is further provided with a fixing convex block, the insulating support part further comprises a fixing groove, the guiding elastic sheet and the fixing convex block are contained in the fixing groove, and the guiding elastic sheet and the fixing convex block are respectively supported at the front end and the rear end in the fixing groove forwards and backwards.

The insulating support comprises an upper support piece and a lower support piece, the upper support piece is provided with a metal inner shell accommodating groove and a terminal welding part avoiding groove, when the metal inner shell and the plug-in assembly are assembled, the metal inner shell is assembled in the metal inner shell accommodating groove, and the terminal welding parts penetrate through the terminal welding part avoiding groove; the lower support piece is provided with a plurality of mounting holes in one-to-one correspondence with the terminal welding parts, the upper support piece and the lower support piece are provided with mutually matched buckle components at corresponding positions, and the lower support piece is used for assembling the terminal welding parts and butt joint with the upper support piece after the metal inner shell and the insulating support piece are inserted into the upper support piece.

The USB socket is a Type-C Type USB socket, the plug assembly comprises a first terminal assembly, a second terminal assembly and an insulating connecting piece, the first terminal assembly comprises a first terminal group and a first connecting body used for fixing the first terminal group, the second terminal assembly comprises a second terminal group, a metal middle plate and a second connecting body used for fixing the second terminal group and the metal middle plate, the metal middle plate is located between the first terminal group and the second terminal group, and the insulating connecting piece is used for connecting the first terminal assembly and the second terminal assembly into a whole.

Compared with the prior art, the two side plates of the metal shell of the USB socket are parallel to the main plane of the butt joint part of the plug-in component so that the USB socket can be assembled to the PCB in a side-standing mode, the through connection of the small plates is not needed, the installation space is saved, the assembly process and the assembly cost are reduced, and the assembly precision can be greatly improved along with the reduction of the assembly process.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic view of the USB socket of the present application assembled to a PCB;

FIG. 2 is a perspective view of a USB socket according to the present application;

FIG. 3 is a schematic structural view of the USB receptacle shown in FIG. 2 with the inner metal shell assembled to the plug assembly;

FIG. 4 is a schematic structural view of the USB socket shown in FIG. 2 without a metal shell;

FIG. 5 is an exploded perspective view of the USB receptacle shown in FIG. 2;

FIG. 6 is a perspective view of an inner metal shell of the USB receptacle shown in FIG. 2;

FIG. 7 is a perspective view of an upper support of the USB socket shown in FIG. 2;

FIG. 8 is a perspective view of the metal shell of the USB receptacle shown in FIG. 2;

FIG. 9 is an exploded perspective view of the plug assembly of the USB receptacle of FIG. 2;

FIG. 10 is an exploded perspective view of a first terminal assembly of the USB receptacle shown in FIG. 2;

FIG. 11 is an exploded perspective view of a second terminal assembly of the USB receptacle shown in FIG. 2.

Description of the reference numerals

A plug-in component-10; a butt joint part-101; a base-102; tail-103; mounting a bump-104; terminal solder-105; a fixed bump-106; a first terminal assembly-11; a first terminal set-111; a first connector-112; a second terminal assembly-12; a second terminal set-121; a metal midplane-122; a second linker-123; a metal inner shell-20; a flat plate portion-21; a grounding elastic arm-211; a clamping elastic arm-212; a guiding elastic sheet-213; mounting grooves-214; convex hull-23; an insulating support-30; an upper support-31; a metal inner shell receiving groove-311; a stopper groove-312; a spring arm avoidance slot-313; a lower support-32; a bump-321; a fixed groove-33; an accommodating space-331; a front baffle-332; back stop-333; a metal housing-40; a top plate-41; a side plate-42; a fixed foot-421; a stop spring-422; and an anti-drop elastic sheet-423.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1-2, the plugging direction of the USB socket is taken as the front-back direction, and the plugging end is taken as the front. The USB socket 100 is a side-standing Type C socket, supports positive and negative insertion, and comprises a plug assembly 10, a metal inner shell 20 sleeved outside the plug assembly 10, an insulating support 30 fixed outside the metal inner shell 20, and a metal outer shell 40 covering the insulating support 30.

Referring to fig. 3, 9 to 11, the plug assembly 10 includes a first terminal assembly 11, a second terminal assembly 12 and an insulating connector 13. The first terminal assembly 11 includes a first terminal group 111 and a first connection body 112 for fixing the first terminal group 111. The second terminal assembly 12 includes a second terminal group 121, a metal middle plate 122, and a second connection body 123 for fixing the second terminal group 121 and the metal middle plate 122. The metal middle plate 122 is located between the first terminal set 111 and the second terminal set 121, and the insulating connection 13 is used for integrally connecting the first terminal assembly 11 and the second terminal assembly 12. Preferably, the first connection body 112 and the first terminal set form the first terminal assembly 11 by insert molding, the second connection body 123 and the second terminal set 121 and the metal middle plate 122 form the second terminal assembly 12 by insert molding, and the insulating connection member 13 and the first terminal assembly 11 and the second terminal assembly 12 form the plug assembly 10 by insert molding. The insulating connector 13, the first terminal assembly 11, and the second terminal assembly 12 are integrated to form a mating portion 101, a base portion 102, and a tail portion 103, which are sequentially arranged along the plugging direction. The terminal soldering portions 105 of the first terminal group 111 and the second terminal group 121 protrude out of the bottom ends of the tail portions; the abutting portion 101 is in a sheet shape, the contact portions of the first terminal set 111 and the second terminal set 121 are respectively exposed out of the left side surface and the right side surface of the abutting portion 101, and the cross-sectional shape of the base portion 102 matches the cross-sectional shape of the inner metal shell 20 to provide a positioning and supporting function for the inner metal shell 20. To prevent the inner metal shell 20 from falling off the plug assembly 10, the base 102 is further provided with a mounting protrusion 104. The tail portion 103 is further provided with a fixing projection 106 for fixing with the insulating support 30.

Referring to fig. 6, the metal inner shell 20 is assembled to the base 102 of the plug assembly 10 and surrounds the mating portion 102. The metal inner case includes a pair of flat plate portions 21 parallel to the main plane of the butting portion 101 and a pair of bent portions 22 respectively connecting both sides of the pair of flat plate portions 21. The rear end of the metal inner housing 20 has a grounding spring arm 211 extending outward, and specifically, a pair of grounding spring arms 211 extends from the rear end of each flat plate portion 21 away from the butt end. Each flat plate portion 21 is further provided with a pair of retaining elastic arms 212, and the retaining elastic arms 212 are formed by tearing from the flat plate portion 21 to the accommodating space of the inner metal shell 20 along the insertion direction of the mating plug. Each flat plate portion 21 further includes a convex hull 23 formed by tearing inward, and the convex hull 23 abuts against the front surface of the base portion 102 of the plug-in component 10 backwards to position the plug-in component 10 forwards. Each flat plate portion 21 further includes a guiding elastic piece 213 and a mounting groove 214, the guiding elastic piece 213 is disposed between the pair of grounding elastic arms 211, the mounting groove 214 is opposite to the guiding elastic piece 213 in the plugging direction, and the guiding elastic piece 213 is used for guiding the mounting protrusion 104 of the plugging assembly 10 to be smoothly plugged into the mounting groove 214 during the assembly process.

The insulating support 30 is used to support the plug assembly 10, the metal inner shell 20 and the metal outer shell 40. The insulating support 30 includes an upper support 31 and a lower support 32.

Referring to fig. 4 and 7 together, the upper supporter 31 has an inner metal shell receiving groove 311 and a terminal welding part avoiding groove (not shown). When the inner metal shell 20 and the connector assembly 10 are assembled, the inner metal shell 20 is assembled into the inner metal shell receiving groove 311, and the terminal welding portions 105 of the first terminal set 111 and the second terminal set 121 pass through the terminal welding portion avoiding groove. The two sides of the upper supporting member 31 are respectively provided with a spring arm avoiding groove 313 at a position corresponding to the grounding spring arm 211, and the grounding spring arm 211 passes through the spring arm avoiding groove 313 to be electrically connected with the inner surface of the side plate of the metal shell 40. Two stopping grooves 312 are respectively disposed at corresponding positions of two sides of the upper supporting member 31 near the bottom end, and the stopping grooves 312 are used for limiting the outward expansion of the fixing legs 421 of the metal shell 40. The upper supporter 31 further includes a fixing groove 33. The mounting groove 33 includes a receiving space 331 for receiving the guiding spring 213 and the fixing protrusion 106, and a front stop portion 332 and a rear stop portion 333 located at front and rear ends of the receiving space 331. The guiding elastic piece 213 abuts against the front stopping portion 332 forward, and the fixing protrusion 106 abuts against the rear stopping portion 333 backward, so as to achieve the front and rear positioning between the plug assembly 10 and the metal inner shell 20 and the upper support 31.

The lower support 32 is provided with a plurality of mounting holes (not shown) corresponding to the terminal soldering portions 105 one by one, and the mounting holes are used for receiving the corresponding terminal soldering portions 105 of the plug assembly 10.

The upper support 31 and the lower support 32 are provided with snap-fit assemblies which are mutually matched at corresponding positions. In this embodiment, the upper supporting member 31 is provided with a plurality of fastening grooves (not shown), and the lower supporting member 32 is provided with fastening protrusions 321 corresponding to the fastening grooves one to one. The lower support 32 is used to assemble the terminal welding part 105 and to be butted with the upper support 31 after the metal inner case 20 and the insulating support 30 are inserted into the upper support 31.

Referring also to fig. 8, the metal housing 40 includes a top plate 41, and a pair of side plates 42 and a rear plate (not numbered) extending perpendicularly from opposite sides of the top plate 41, the side plates 42 being parallel to a main plane of the docking portion 101. The bottom end of each side plate 42 has at least one fixing foot 421, and preferably, the number of the fixing feet 421 at the bottom end of each side plate 42 is at least two. The fixing leg 421 and the terminal soldering part 105 are for connection to the PCB board 200. The PCB 200 and the main plane of the docking portion 101 are disposed in a non-parallel manner (preferably perpendicular to each other), and the PCB 200 and the side plate 42 are also disposed in a non-parallel manner (preferably perpendicular to each other). The grounding elastic arm 211 elastically abuts against the inner surface of the side plate 42 to be electrically connected to ground.

A pair of side plates 42 of the metal shell 40 are respectively provided with a stop spring piece 422 at a position close to the bottom. The stopper spring 422 is formed by tearing from the end of the side plate 42. Each stopping elastic piece 422 corresponds to one stopping groove 312 of the upper supporting member 31, and the stopping elastic piece 422 is transversely limited after being clamped into the corresponding stopping groove 312. The pair of side plates 42 of the metal shell 40 are further respectively provided with an anti-separation blocking piece 423, and the anti-separation blocking pieces 423 are used for being bent and abutted against the insulating support 30 after the metal shell 40 is assembled to the insulating support 30.

Compared with the prior art, the two side plates 42 of the metal shell 40 of the USB socket 100 are parallel to the main plane of the butt joint part 101 of the plug-in component 10, so that the USB socket 100 is assembled to the PCB in a side-standing manner without through small plate switching, the installation space is saved, the assembly process and the assembly cost are reduced, and the assembly precision can be greatly improved along with the reduction of the assembly process.

It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

The above examples only express preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A USB socket is characterized in that the USB socket comprises a plug-in component, a metal inner shell sleeved outside the plug-in component, an insulating support fixed outside the metal inner shell and a metal outer shell coating the insulating support, wherein the plug-in component comprises a butt joint part, a base part and a tail part which are sequentially arranged along a plug-in direction, a plurality of terminal welding parts protrude out of the bottom end of the tail part, the metal inner shell is assembled to the base part of the plug-in component and covers the butt joint part, the metal outer shell comprises a top plate and a pair of side plates vertically extending from two opposite sides of the top plate, at least one fixing pin is arranged at the bottom end of each side plate, and the fixing pins and the terminal welding parts are used for being connected to a PCB (printed circuit board); the side plates are parallel to a major plane of the docking portion.

2. The USB socket according to claim 1, wherein a pair of side plates of the metal shell are respectively provided with a stop spring near the bottom, and two corresponding positions on two sides of the insulating support are respectively provided with a stop groove for receiving the corresponding stop springs.

3. The USB socket according to claim 2, wherein the stopper spring is formed by tearing from an end of the side plate.

4. The USB socket according to claim 3, wherein a pair of side plates of the metal shell are respectively provided with an anti-separation plate, and the anti-separation plate is used for bending and abutting against the insulating support member after the metal shell is assembled to the insulating support member.

5. The USB socket according to claim 1, wherein the metal inner shell has a grounding elastic arm extending outward, and an elastic arm avoiding slot is disposed at a corresponding position of the insulating support, and the grounding elastic arm passes through the elastic arm avoiding slot and is electrically connected to an inner surface of the side plate of the metal outer shell.

6. The USB socket of claim 5, wherein the metal inner shell includes a pair of flat plate portions parallel to the main surfaces of the abutting portions and a pair of curved portions respectively connecting two sides of the pair of flat plate portions, and a pair of grounding elastic arms extends from a rear end of each flat plate portion away from the abutting end.

7. The USB socket according to claim 1, wherein the metal inner housing comprises a pair of flat plate portions parallel to the main plane of the butt-joint portion and a pair of curved portions respectively connected to two sides of the pair of flat plate portions, each flat plate portion further comprises a guiding elastic piece and a mounting groove arranged at the rear end, the guiding elastic piece is located between the pair of grounding elastic arms, the mounting groove is opposite to the guiding elastic piece in the plugging direction, a mounting convex block is arranged on the base portion of the plugging component, and the guiding elastic piece is used for guiding the mounting convex block to be smoothly clamped into the mounting groove in the assembling process.

8. The USB socket according to claim 1, wherein the metal inner shell includes a pair of flat plate portions parallel to the main plane of the mating portion and a pair of curved portions respectively connecting both sides of the pair of flat plate portions, each flat plate portion further includes a guiding elastic piece disposed at the rear end, the tail portion further includes a fixing protrusion, the insulating support further includes a fixing groove, the guiding elastic piece and the fixing protrusion are received in the fixing groove, and the guiding elastic piece and the fixing protrusion respectively abut against the front and rear ends of the fixing groove forward and backward.

9. The USB socket according to claim 1, wherein the insulating support includes an upper support and a lower support, the upper support having an inner metal shell receiving groove and a terminal welding portion avoiding groove, the inner metal shell being received in the inner metal shell receiving groove when the inner metal shell and the connector assembly are assembled, the terminal welding portions passing through the terminal welding portion avoiding groove; the lower support piece is provided with a plurality of mounting holes in one-to-one correspondence with the terminal welding parts, the upper support piece and the lower support piece are provided with mutually matched buckle components at corresponding positions, and the lower support piece is used for assembling the terminal welding parts and butt joint with the upper support piece after the metal inner shell and the insulating support piece are inserted into the upper support piece.

10. The USB socket according to claim 1, wherein the USB socket is a Type-C USB socket, the plug assembly includes a first terminal assembly including a first terminal group and a first connecting body for fixing the first terminal group, a second terminal assembly including a second terminal group, a metal middle plate located between the first terminal group and the second terminal group, and an insulating connecting member for integrally connecting the first terminal assembly and the second terminal assembly, and a second connecting body for fixing the second terminal group and the metal middle plate.

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