CN218472375U - Waterproof USB socket and mobile terminal - Google Patents

Abstract

A waterproof USB socket comprises a first terminal set, a second terminal set and an insulating body which fixes the first terminal set and the second terminal set into a whole, wherein the insulating body comprises a base part, a wrapping part formed by forward extending from the base part and a butt joint tongue part formed by forward extending from the wrapping part, the terminal sets comprise a plurality of conductive terminals and insulators which fix the conductive terminals into a whole, each conductive terminal comprises a contact part exposed on the upper surface and the lower surface of the butt joint tongue part, a fixing part formed by backward extending from the contact part and a welding pin extending from the fixing part to the lower side of the rear end of the insulating body, the welding pins are welded on a printed circuit board, the waterproof USB socket further comprises a metal reinforcing part and a rubber ring, and the metal reinforcing part comprises a sheet body which is formed in the base part on one side of the printed circuit board and a fixing sheet which is bent, extends and fixed on the printed circuit board from the two transverse sides of the sheet body. The application also encompasses a mobile terminal.

Description

Waterproof USB socket and mobile terminal

Technical Field

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

Background

Type C connectors are now popular in the consumer electronics field, and are popular for providing positive and negative insertion capabilities. The Type C standard has functions of high-speed transmission and power transmission to support charging, high-speed data transmission, and the like of the mobile terminal. Type C product Type is more, has the following classification from demand functional classification: the device such as mobile phone, computer, etc. has the functions of high-speed transmission and current increasing charging; the low-order mobile phone requires low-speed data transmission and large-current charging functions; and the requirements of some small household appliances are simple, and only conventional charging is needed. The following classifications are made from the product structure: patch type, broken plate type, vertical type, waterproof type, etc. The existing waterproof connector has various waterproof schemes, for example, dispensing is carried out between a metal shell and a plug connector, and then a waterproof ring is sleeved outside the metal shell to be in compression joint with a mobile terminal, which is the most common technical scheme; in addition, the technical scheme of adopting an integral injection molding structure of the plastic shell and the like is adopted. The above schemes are not optimal schemes, and the problems that the size of a product cannot be further reduced, the waterproof effect is poor and the like due to the fact that the metal shell occupies space exist.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a waterproof USB socket and a mobile terminal with simple structure and firm fixation.

In order to solve the technical problem, the application provides a waterproof USB socket, including first terminal group, second terminal group, be located the medium plate between first terminal group and the second terminal group and with first terminal group, second terminal group, medium plate fixing insulator as an organic whole, insulator includes the basal portion, from the basal portion forward extends the parcel portion that forms and from the parcel portion forward extends the butt joint tongue that forms, first terminal group and second terminal group all include a plurality of conductive terminals and with a plurality of conductive terminal fixing insulator as an organic whole, conductive terminal is including exposing in the contact site of butt joint tongue upper and lower surface, from the contact site backward extends the fixing portion that forms and from the fixing to the leg of insulator rear end downside, the leg welds on a printed circuit board, waterproof USB socket still includes metal reinforcement and rubber ring, the rubber ring is located the parcel portion surface, the metal reinforcement is including the piece body of shaping in keeping away from printed circuit board one side basal portion and from the lateral direction both sides of piece are bent to extend and are fixed in the stationary blade on the printed circuit board.

Preferably, the rubber ring is sealed and waterproof by pressing with an object.

Preferably, the outer diameter of the wrapping portion is larger than that of the butt joint tongue portion, the outer diameter of the base portion is larger than that of the wrapping portion, and the rubber ring is sleeved on the outer surface of the wrapping portion or formed on the outer surface of the wrapping portion.

Preferably, the middle plate includes two middle plates at two lateral sides, two middle plates are formed on one terminal group or one middle plate is formed on each terminal group, and the insulation body completely wraps the outside of all the insulators except the butt tongue part and the tail part.

Preferably, the stationary blade runs through from top to bottom and is formed with the lockhole, insulator still include certainly the ear that the horizontal both sides of basal portion extended the formation, the ear will the stationary blade parcel is in interior, the ear corresponds lockhole position department is equipped with the fixed orifices, waterproof USB socket passes through the fixed orifices locking is in on the printed circuit board.

Preferably, the insulator includes a front insulator, a rear insulator and a separating portion for separating the front insulator from the rear insulator, a hollow groove is formed in a position of the base of the insulator corresponding to the separating portion, the hollow groove is formed in a lower side of the base and does not penetrate through a surface of the base, and waterproof glue is injected into the hollow groove.

Preferably, the insulator of the terminal group on the side far away from the insulating body is provided with supporting table surfaces for supporting sheet bodies of the metal reinforcing member at the front end and the rear end of the disconnected part respectively, and the sheet bodies penetrate through the disconnected part to form a through hole structure.

In order to solve the technical problem, the application further provides a mobile terminal, including aforementioned waterproof USB socket and with the terminal casing that waterproof USB socket assembled together, the terminal casing includes the outer panel, certainly the outer panel extends the sleeve that forms, runs through the cavity and son of acceping that outer panel and sleeve formed the sleeve rear end contracts and forms the tail wall, it is in to accept the cavity outer panel one side is formed with the outer opening, it is in to accept the cavity tail wall one side is formed with the inner opening, waterproof USB socket's butt joint tongue certainly the back opening inserts in acceping the cavity, parcel portion inserts in the inner opening of tail wall, the inner opening with rubber ring extrusion sealing waterproof outside the parcel portion.

Preferably, the rubber ring is sleeved outside the wrapping portion, and the rubber ring is squeezed into the inner opening and is squeezed and sealed with the inner wall surface of the inner opening in the radial direction.

Preferably, the rubber ring is formed on the outer surface of the wrapping part, the rear side of the rubber ring is attached to the front end face of the base part, and the tail wall of the sleeve backwards extrudes the rubber ring for sealing and water proofing.

This application waterproof USB socket is through keeping away from printed circuit board one side parcel metal reinforcement in the insulating body, through with metal reinforcement lock in it is right to realize on the printed circuit board USB socket's reinforcement locking. Meanwhile, a rubber ring is arranged outside the wrapping part to be in extrusion fit with the terminal shell to achieve water prevention, a metal shell which is provided with the waterproof ring in a sleeved mode is omitted in a traditional waterproof USB socket product, product components are reduced, an assembly process is reduced, and production cost is reduced.

This application waterproof USB socket be in parcel portion set up the rubber ring outward come with terminal casing extrusion fit realizes waterproofly, has got rid of traditional waterproof USB socket product and need set up the metal casing that the cover was equipped with waterproof ring, has reduced the product subassembly, has reduced assembly process, has reduced manufacturing cost.

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 diagram of a mobile terminal according to the present invention using a USB socket;

fig. 2 is a perspective view of a terminal housing of a mobile terminal according to the present application;

FIG. 3 is a cross-sectional view taken along the line B-B in FIG. 2;

FIG. 4 is a perspective view of the waterproof USB socket of the present application;

FIG. 5 is a perspective view of the waterproof USB socket of the present application from another angle;

FIG. 6 is an exploded perspective view of the waterproof USB receptacle of the present application;

fig. 7 is a perspective view of the waterproof USB socket of the present application with the insulating body removed;

FIG. 8 is an exploded perspective view of a first terminal set and a second terminal set of the waterproof USB socket of the present application;

FIG. 9 is an exploded perspective view of the first terminal set and the second terminal set of the waterproof USB socket according to the present invention at another angle;

FIG. 10 is a cross-sectional view taken along the line C-C shown in FIG. 4;

FIG. 11 is a cross-sectional view of another embodiment taken along the line C-C of FIG. 4;

fig. 12 isbase:Sub>A cross-sectional view taken along the linebase:Sub>A-base:Sub>A in fig. 1.

Description of the reference numerals

A printed circuit board-10; terminal housing-20; an outer side panel-21; a sleeve-22; a housing cavity-24; an outer opening-241; an inner opening-242; outer chamfer-243; a trailing wall-244; inner chamfer-245; a waterproof USB socket-A; a metal reinforcement-30; tablet-31; a transverse folded wall-32; a fixing sheet-33; a lock hole-34; rubber ring-40; convex rib-41; a recessed ring groove-42; -an insulator body-50; a base-51; -511, a front face; hollow-out groove-512; a wrapping portion-52; a docking tongue-53; an ear-54; a fixing hole-55; a first terminal set-60; a second terminal set-60'; conductive terminals-61,65; a contact portion-611; a holding portion-612; a fillet-613; a middle plate-62; insulators-63, 64; front insulators-631, 641; rear insulator-632,642; a disconnect-633,643; supporting mesa-634.

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 a few embodiments of the present application, and not all embodiments.

In the present application, the X direction shown in fig. 1 is taken as the front of the longitudinal direction, the Y direction is taken as the lateral direction, and the Z direction is taken as the vertical direction.

Referring to fig. 1 and 12, the mobile terminal of the present application includes a terminal housing 20 and a waterproof USB socket a matched with the terminal housing 10.

As shown in fig. 1 to fig. 3, the terminal housing 20 refers to a metal frame or a plastic frame of the mobile terminal. The terminal housing 30 is a square structure, and includes an outer side panel 21, a sleeve 22 integrally extending from the outer side panel 21 rearward, a receiving cavity 24 formed by penetrating the outer side panel 21 and the sleeve 22, and a tail wall 244 formed by contracting from the rear end of the sleeve to the receiving cavity 24.

The housing cavity 24 is formed to penetrate forward and backward, an outer opening is formed on the outer panel 21 side, and an inner opening 242 is formed in a rear wall 244 of the rear end of the sleeve 22. An outer chamfer 243 is formed at the outer opening 241 for facilitating insertion of a docking plug (not shown), an inner chamfer 245 is formed at the inner opening 242, and the inner chamfer 245 facilitates assembly of the USB socket a in the receiving cavity 24. The inner diameter of the inner opening 242 is smaller than the inner diameter of the outer opening 241.

Referring to fig. 4 to 11, the waterproof USB socket a of the present application is soldered on a printed circuit board 10, and includes a first terminal set 60 and a second terminal set 60 'stacked together, and an insulating body 50 holding the first terminal set 60 and the second terminal set 60' together. The insulation body 50 includes a base 51, a wrapping portion 52 formed by extending from the base 51 forward, a butt tongue portion 53 formed by extending from the wrapping portion 52 forward, and an ear portion 54 formed by extending from both lateral sides of the base 51. The outer diameter of the base 51 is larger than that of the wrapping portion 52, and the outer diameter of the wrapping portion 52 is larger than that of the docking tongue 53. The wrap portion 52 is surrounded by a rubber ring 40 near one end of the base portion 51.

As shown in fig. 10 to 12, a front end surface 511 is formed at the front end of the base 51 and located at the periphery of the wrapping portion 52, the rubber ring 40 is attached to the outer surface of the wrapping portion 52, and the rear end of the rubber ring 40 is attached to the front end surface 511 of the base 51. The rubber ring 40 may be sleeved on the outer surface of the wrapping portion 52, or may be injection molded on the wrapping portion 52. Specifically, in an embodiment, as shown in fig. 10, the rubber ring 40 is sleeved on the wrapping portion 52, the rear side of the rubber ring is tightly attached to the front end surface 511, a plurality of ribs 41 are formed on the outer surface of the rubber ring 40 in a protruding manner along the radial direction, and a concave ring groove 42 is formed between adjacent ribs 41. In another embodiment, it is emphasized that as shown in fig. 11, the rubber ring 40 is formed on the outer surface of the wrapping portion 52, at this time, the rubber ring 40 is respectively tightly attached to the surface of the wrapping portion 52 and the front end surface 511, and the outer surface of the rubber ring 40 is in an arc-shaped structure, at this time, the rubber ring 40 is in an ice cream-like structure.

Referring to fig. 12, when the waterproof USB socket is inserted into the accommodating cavity 24 from the inner opening 242 at the rear end of the terminal housing 20, the inner diameter of the inner opening 242 is larger than the outer diameter of the wrapping portion 52. In the rubber ring 40 structure of the first embodiment, the rubber ring 40 is clamped between the inner wall surfaces of the inner opening 242 from the inner chamfer 245 to achieve waterproofing, that is, the rubber ring 40 is clamped in a radial direction. In the structure of the rubber ring 40 of the second embodiment, the inner chamfer 245 directly presses the rubber ring 40 backwards to realize water resistance, that is, the rubber ring 40 is clamped backwards. The rear end surface of the tail wall 244 abuts against or opposes the front end surface of the base 51.

This application mobile terminal through set up rubber ring 40 on waterproof USB socket's the parcel portion 52 the sleeve 22 rear end of terminal housing 20 inwards contracts and forms tail wall 244, through tail wall 244 embolias outside the parcel portion 52 and the centre gripping rubber ring 40 realizes waterproofly, compares in prior art, need not again for waterproof USB socket sets up metal casing alone, and simple structure, and waterproof performance is better.

As shown in fig. 7 to fig. 10, the waterproof USB socket further includes a metal reinforcement 30 formed in the base 51, and the metal reinforcement 30 includes a sheet 31 embedded in one side of the base 51, a transverse bending wall 32 formed by bending from two transverse sides of the sheet 31, a fixing sheet 33 formed by bending and extending the transverse bending wall 32 horizontally, and a locking hole 34 formed by penetrating the fixing sheet 33. The sheet member 31 is stacked on the first terminal set 60 or the second terminal set 60' and is molded and wrapped in the base 51 of the insulation body 50 after being away from the printed circuit board 10, the lateral bending wall 32 and the fixing sheet 33 are wrapped in the ear portion 54 of the insulation body 50, and the ear portion 54 is opened with a fixing hole 55 at a position corresponding to the locking hole 34. The fixing hole 55 is locked to the printed circuit board 10 by a fastener to fix the waterproof USB socket.

The first terminal set 60 and the second terminal set 60' each include a number of conductive terminals 61,65 and an insulator 63,64 that holds the number of conductive terminals 61,65 together. One of the terminal groups also integrally holds the middle plate 62.

Each of the conductive terminals 61,65 includes a contact portion 611 exposed on the upper or lower surface of the mating tongue 53 of the insulative housing 50, a holding portion 612 extending rearward from the contact portion 611, and a solder leg 613 extending downward from the holding portion 622 to the outside of the insulative housing 50. The conductive terminals 61,65 of the first terminal set 60 and the second terminal set 60' each include at least a pair of ground terminals, a pair of power terminals between the pair of ground terminals, and a signal terminal between the pair of power terminals, and a pair of high-speed signal terminals between the ground terminals and the power terminals. The first terminal group 60 and the second terminal group 60' are stacked together, the middle plates 62 are spaced between each pair of ground terminals on two lateral sides, the middle plates 62 include a pair, and a pair of the middle plates 62 may be formed on the first terminal group 60, or one middle plate 62 may be formed on each terminal group. The middle plate 62 may be fixed in direct contact with the ground terminal, or may not be in contact with the ground terminal.

In an embodiment, one of the terminal sets may be omitted from the first terminal set 60 and the second terminal set 60', and only one terminal set is included, for example, the design scheme is also applicable to the simple Type C connector, and the simple Type C connector can refer to the patent application No. 202120611178.5 of the people's republic of china. At this time, the terminal group only comprises the conductive terminal and does not wrap the insulator any more.

The insulators 63,64 each include front insulators 631,641 wrapping portions of the contact portions 611 and the holding portions 612, a rear end insulator 632,642 wrapping portions of the holding portions 612, and a break portion 633,643 completely blocking the front insulator 631,641 and the rear insulator 632,642. Only the conductive terminal 61,65 and no insulator 63,64 are at the position of the breaking portion 633,643, that is, the front insulator 631,641 and the rear insulator 632,642 are connected together through the conductive terminal 61,65. The conductive terminals 61,65 have solder tails 613 extending to the lower side of the tail of the insulating body 50 for soldering with the printed circuit board 10. The insulator 63,64 of one terminal group 60,60' far from the printed circuit board 10 is formed with support mesas 634 on both front and rear sides of the break portion 633,643, and the support mesas 634 are used for supporting the sheet body 31 of the metal reinforcement member 30. The insulation body 50 is provided with a hollow-out groove 512 at a position corresponding to the separation portion 633,643, and the hollow-out groove 512 is formed by opening upwards from the lower side of the base 51 of the insulation body 50 and does not penetrate upwards through the upper surface of the base 51.

In an embodiment, a through hole structure is formed through the sheet of the metal reinforcement 30 at a position corresponding to the hollow-out groove 512. After the insulation body 50 is formed, waterproof glue is injected into the hollow-out groove 512 and is cured. The waterproof glue is bonded with the conductive terminals 61,65 and the wall surfaces of the hollow-out grooves 512, so that the possibility of water leakage of the joint surfaces of the conductive terminals 61,65 and the insulating body 50 or the insulating body 63,64 is eliminated.

The insulation body 50 completely wraps the insulation body 63,64 except at the butt joint tongue portion 53 and the tail end position, so as to avoid the possibility of water leakage at the joint surface of the insulation body 50 and the insulation body 63,64. And the design of the hollow-out groove 512 is assisted, so that the waterproof performance is further improved.

The waterproof USB socket of this application is through keeping away from printed circuit board 10 one side parcel metal reinforcement 30 in insulator 50, through with metal reinforcement 30 lock in it is right to realize on the printed circuit board 10 USB socket A's reinforcement locking. Meanwhile, the rubber ring 40 is arranged outside the wrapping part 52 to be matched with the terminal shell 20 in an extrusion mode to achieve water prevention, a metal shell which is provided with the waterproof ring in a sleeved mode is omitted in a traditional waterproof USB socket product, product components are reduced, assembly processes are reduced, and production cost is reduced.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above examples only represent preferred embodiments of the present invention, which are described in more detail and detail, but are not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A waterproof USB socket comprises a first terminal group, a second terminal group, a middle plate positioned between the first terminal group and the second terminal group, and an insulating body for fixing the first terminal group, the second terminal group and the middle plate into a whole, wherein the insulating body comprises a base part, a wrapping part formed by forward extension of the base part and a butt joint tongue part formed by forward extension of the wrapping part, the first terminal group and the second terminal group respectively comprise a plurality of conductive terminals and an insulator for fixing the conductive terminals into a whole, each conductive terminal comprises a contact part exposed on the upper surface and the lower surface of the butt joint tongue part, a fixing part formed by backward extension of the contact part and a welding pin extending from the fixing part to the lower side of the rear end of the insulating body, and the welding pin is welded on a printed circuit board.

2. The waterproof USB socket according to claim 1, wherein the rubber ring is press-sealed waterproof with an object.

3. The waterproof USB socket according to claim 1, wherein the outer diameter of the cover is larger than the outer diameter of the docking tongue, the outer diameter of the base is larger than the outer diameter of the cover, and the rubber ring is fitted over the outer surface of the cover or molded on the outer surface of the cover.

4. The waterproof USB socket according to claim 3, wherein the middle plate includes two middle plates at two lateral sides, two middle plates are formed on one terminal set or one middle plate is formed on each terminal set, and the insulation body completely covers the outside of all the insulation bodies except the docking tongue and the tail.

5. The waterproof USB socket according to claim 4, wherein the fixing plate has a locking hole formed therein, the insulating body further includes an ear portion formed by extending from two lateral sides of the base portion, the ear portion wraps the fixing plate therein, a fixing hole is formed at a position of the ear portion corresponding to the locking hole, and the waterproof USB socket is locked on the printed circuit board through the fixing hole.

6. The waterproof USB socket according to claim 5, wherein the insulator includes a front insulator, a rear insulator, and a separating portion for separating the front insulator from the rear insulator, a hollow groove is formed in a position of the base of the insulator corresponding to the separating portion, the hollow groove is formed at a lower side of the base and does not penetrate through a surface of the base, and a waterproof adhesive is injected into the hollow groove.

7. The waterproof USB socket according to claim 6, wherein the insulator of the terminal group on the side away from the insulator body has supporting mesas formed on the front and rear ends of the disconnection portion for supporting the metal reinforcement pieces, and the metal reinforcement pieces are perforated in the metal reinforcement pieces corresponding to the disconnection portion.

8. A mobile terminal, comprising the waterproof USB socket of claim 1 and a terminal housing assembled with the waterproof USB socket, wherein the terminal housing comprises an outer panel, a sleeve extending from the outer panel, a receiving cavity formed through the outer panel and the sleeve, and a tail wall formed by retracting the rear end of the sleeve, the receiving cavity has an outer opening formed on one side of the outer panel, the receiving cavity has an inner opening formed on one side of the tail wall, a butt-joint tongue of the waterproof USB socket is inserted into the receiving cavity from the outer opening, the wrapping portion is inserted into the inner opening of the tail wall, and the inner opening is sealed and waterproof with a rubber ring outside the wrapping portion by extrusion.

9. The mobile terminal of claim 8, wherein the rubber ring is sleeved outside the wrapping portion, and the rubber ring is pressed into the inner opening and is pressed and sealed with an inner wall surface of the inner opening in a radial direction.

10. The mobile terminal of claim 9, wherein the rubber ring is molded on the outer surface of the wrapping portion, the rear side of the rubber ring is attached to the front end surface of the base portion, and the tail wall of the sleeve presses the rubber ring backwards to seal and prevent water.

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