CN109088227B

CN109088227B - Waterproof positive reverse plug USB socket

Info

Publication number: CN109088227B
Application number: CN201810877483.1A
Authority: CN
Inventors: 顾远文
Original assignee: Shenzhen Everwin Precision Technology Co Ltd
Current assignee: Shenzhen Everwin Precision Technology Co Ltd
Priority date: 2018-08-03
Filing date: 2018-08-03
Publication date: 2020-05-19
Anticipated expiration: 2038-08-03
Also published as: CN109088227A

Abstract

A waterproof positive and negative plug-in USB socket comprises an insulating shell with a hollow part, a blocking part integrally formed in the hollow part of the insulating shell, a plug connector sleeved in the insulating shell and fixed by the blocking part, and waterproof glue coated at the tail part of the insulating shell, wherein the plug connector comprises a middle plate, a first terminal group and a second terminal group which are positioned at the upper side and the lower side of the middle plate, and an insulating body which integrates the middle plate, the first terminal group and the second terminal group into a whole, the insulating body comprises a base part, a butt joint tongue part formed by forward extension of the base part, and a fixed block positioned at the rear end of the base part and mutually isolated from the base part, the first terminal group and the second terminal group comprise contact parts exposed out of the upper surface and the lower surface of the butt joint tongue part, fixing parts extending backwards from the contact parts and formed in the base part and the fixed block, and weld feet extending, and the top surface of the fixed block is buckled with a shielding piece. The waterproof positive reverse plug USB socket does not influence the mobile phone antenna.

Description

Waterproof positive reverse plug USB socket

Technical Field

The application relates to the field of connectors, in particular to a waterproof positive and negative plug USB socket.

Background

The conventional positive and negative plug USB socket generally comprises a plug connector and a metal shell sleeved on the periphery of the plug connector. With the 5G commercial use, the metal shell contacts with the metal middle frame of the mobile phone, the metal middle frame is a mobile phone antenna, and the electrical contact between the metal shell and the metal middle frame affects the mobile phone antenna signal.

Furthermore, the conductive terminals of the USB3.1 Type C socket need to be shielded, especially the portion exposed on the printed circuit board and located in the electronic device.

Disclosure of Invention

In view of the above, it is desirable to provide a waterproof reversible USB receptacle that employs an insulating housing and shields a conductive terminal.

In order to solve the technical problem, the application provides a waterproof positive and negative plug-in USB socket, which comprises an insulating housing with a hollow part, a blocking member integrally formed in the hollow part of the insulating housing, a plug connector sleeved in the insulating housing and fixed by the blocking member, and a waterproof adhesive coated on the tail part of the insulating housing, wherein the plug connector comprises a middle plate, first and second terminal sets positioned on the upper and lower sides of the middle plate, and an insulating body integrating the middle plate, the first and second terminals, the insulating body comprises a base part, a butt joint tongue part formed by extending the base part forwards, and a fixing block positioned at the rear end of the base part and isolated from the base part, the first and second terminal sets comprise a contact part exposed out of the upper and lower surfaces of the butt joint tongue part, a fixing part extending backwards from the contact part and formed in the base part and the fixing block, and a solder pin extending to the lower surface of the fixing block, and the top surface of the fixed block is buckled with a shielding piece.

The utility model provides a waterproof positive reverse plug USB socket is through setting up insulating casing, and an integrated into one piece stops in well kenozooecium in the insulating casing, through stopping the fixed connector piece, sets up the fixed block of isolation simultaneously and covers conductive terminal leg part to cover through the shielding piece and cover in the realization is to conductive terminal full shield on the fixed block, simultaneously, the shielding piece welds on printed circuit board, can also strengthen USB socket and printed circuit board's cohesion.

Preferably, the fixing block includes a body portion extending transversely, fastening holes provided at both ends of the body portion transversely, and fastening protrusions provided on both sides of the body portion transversely.

Preferably, the shielding element includes a shielding main body covering the fixed block, two side walls formed by bending and extending the two lateral sides of the shielding main body, and a tail wall formed by bending and extending the rear end of the shielding main body, and the shielding element completely shields and covers the fixed block and a part of the first and second terminal sets therein through the shielding main body, the two side walls, and the tail wall.

Preferably, the two side walls are provided with fastening holes buckled with the fastening bulges of the fixed block, and the shielding main body is torn at the positions corresponding to the fastening holes of the fixed block to form fastening hooks inserted into the fastening holes.

Preferably, the blocking piece comprises a blocking main body, a through hole formed in the blocking main body, and an extending piece formed by bending and extending from the upper side and the lower side of the blocking main body, the extending piece is integrally formed in the insulating housing, the butt joint tongue portion penetrates through the through hole of the blocking piece, the base portion blocks the blocking main body, the extending piece further extends to form a fixing piece, and after the plug connector is inserted, the fixing piece is bent to be buckled on the rear end face of the base portion.

Preferably, an isolation region without plastic is formed between the fixing block and the base, and the fixing block and the base are connected into a whole through the first terminal set and the second terminal set.

Preferably, the upper and lower surfaces of the base are provided with first fastening structures, the hollow portion of the insulating housing is provided with second fastening structures corresponding to the first fastening structures, the first and second fastening structures are fastening blocks or fastening grooves, and the fastening grooves of the second fastening structures are located on the inner sides of the fixing pieces of the blocking piece and correspond to the fastening blocks of the first fastening structures.

Preferably, the middle part of the blocking body of the blocking piece is cut off to form a positioning notch, and a positioning bump matched with the positioning notch is arranged on the front end face of the base part of the insulating body.

Preferably, the plug connector is inserted after the insulating housing, the isolation region periphery corresponds the inner wall of well kenozooecium, waterproof glue coat in the isolation region and with well kenozooecium inner wall closely combines.

Preferably, insulating casing still includes the perisporium and is formed in the installation department of perisporium front end, the external diameter of installation department is greater than the external diameter of perisporium, the terminal surface has seted up annular mounting groove in order to install waterproof circle before the installation department, waterproof circle includes the front end portion and certainly the front end portion extends backward and inserts the portion of inserting in the annular mounting groove, the thickness of portion of inserting is less than the thickness of front end portion, the front end portion of waterproof circle is located extrude with inner wall or other subassemblies of cell-phone shell on the front end surface of installation department with waterproof.

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 perspective assembly view of a waterproof front-back plug USB socket according to the present application;

FIG. 2 is a perspective assembly view of the waterproof front-back plug USB socket according to the present application from another angle;

FIG. 3 is a perspective view of the plug member of the waterproof reversible USB socket of the present application;

FIG. 4 is an exploded perspective view of the waterproof front-back plug USB receptacle of the present application;

FIG. 5 is an exploded perspective view of the waterproof front-back plug USB receptacle according to another embodiment of the present disclosure;

FIG. 6 is a perspective view of the insulating housing of the waterproof reversible USB socket of the present application;

3 FIG. 3 7 3 is 3 a 3 cross 3- 3 sectional 3 view 3 taken 3 along 3 line 3 A 3- 3 A 3 of 3 FIG. 3 6 3; 3

FIG. 8 is a perspective view of a waterproof ring of the waterproof right and left plug USB receptacle of the present application;

FIG. 9 is a perspective view of a blocking member of the waterproof front and back plug USB socket of the present application;

FIG. 10 is a perspective view of another angle of the blocking member of the waterproof reversible USB socket of the present application;

fig. 11 is a perspective view of the insulating housing and the blocking member of the waterproof front-back plug USB socket according to the present application after being integrally formed;

FIG. 12 is a perspective view of the waterproof reversible USB jack of the present application after the plug is assembled into the insulating housing;

fig. 13 is a perspective view of the retaining piece of the blocking member of the waterproof positive and negative plug-in USB socket of the present application being bent and retained on the plug connector.

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.

Please refer to fig. 1 to 5, the waterproof front and back plug USB socket of the present application includes a plug connector a, a sleeve located at the peripheral insulating housing 20 of the plug connector a, an integrated forming in the insulating housing 20 and fixed the blocking piece 60 of the plug connector a, the covering the shielding piece 40 at the tail of the plug connector a and coating the shielding piece 40 at the tail of the plug connector a on the plug connector a and the waterproof glue 50 between the insulating housing 20.

Referring to fig. 3, the plug connector a includes a middle plate 11, first and

second terminal sets

12 and 14 located at upper and lower sides of the middle plate 11, and an insulating body 13 integrally formed with the middle plate 11 and the first and

second terminal sets

12 and 14.

The insulative housing 13 includes a base 131, a mating tongue 132 extending forward from the base 131, a molded cover 133 between the base 131 and the mating tongue 132, and a mounting block 134 molded at the rear of the first and

second terminal sets

12, 14. The base 131 and the fixing block 134 are independent from each other and form an isolation region 135 therebetween. The first and

second terminal sets

12 and 14 are respectively provided with a contact portion 121 exposed on the upper and lower surfaces of the mating tongue 132, a holding portion 122 formed in the insulating body 13 and partially exposed on the isolation region 135, and a solder leg 123 extending out of the bottom surface of the fixing block 143.

The outer diameter of the base 131 is larger than the outer diameter of the mold coating 133. A positioning protrusion 1311 is formed on one side of the front end surface of the base 131 facing the docking tongue 132, a plurality of first locking structures 1312 are further disposed on the upper and lower end surfaces of the base 131, and the first locking structures 1312 are slots or blocks. The waterproof glue 50 is coated in the isolation area 135.

The fixing block 134 includes a body portion 1341 extending transversely, clip holes 1342 disposed at both ends of the body portion 1341 transversely, and clip protrusions 1343 disposed on both sides of the body portion 1341 transversely.

The insulation body 13 includes a first insulation body formed by injection molding a plurality of times, for example, the first terminal group 12 and the middle plate 11 are integrally formed by injection molding, the second terminal group 14 is integrally formed by injection molding, and the first and second insulation bodies are combined and then injection molded again to form a third insulation body.

Referring to fig. 6, 7 and 8, the insulating housing 20 includes a peripheral wall 21, a hollow portion 23 defined by the peripheral wall 21, and a mounting portion 22 formed at a front end of the peripheral wall 21. The external diameter of installation department 22 is greater than the external diameter of perisporium 21, annular mounting groove 25 has been seted up with installation waterproof circle 30 to installation department 22 front end face. The rear end of the hollow portion 23 is provided with a plurality of second latching structures 26 (see fig. 11) which are matched with the first latching structures 1312 of the insulating body 13.

The waterproof ring 30 includes a front end portion 31 and an insertion portion 32 extending rearward from the front end portion 31 and inserted into the annular mounting groove 25, and the insertion portion 32 has a thickness smaller than that of the front end portion 31. The front end of the waterproof ring 30 is located on the front end face of the mounting portion 22 and is pressed against the inner wall of the mobile phone housing or other components to prevent water.

Referring to fig. 9 and 10, the blocking member 60 includes a blocking body 61, a through hole 62 opened on the blocking body 61 for the butt tongue 132 and the molded coating portion 133 to pass through, and an extending piece 63 formed by vertically bending and extending from the upper and lower sides of the blocking body 61. The extension piece 63 is integrally formed in the inner wall of the hollow portion 23 of the insulating housing 20, and a plurality of holes or grooves 66 filled with plastic are formed on the extension piece 63 to enhance the bonding force between the blocking member 60 and the insulating housing 20. The extension piece 63 further has a fixing piece 65 formed thereon, and the fixing piece 65 is bent and fastened to the rear end surface of the base 131 of the insulating main body 13 of the connector a after the connector a is inserted into the insulating housing 20 to fix the connector a (see fig. 12 and 13). The middle part of the main body 61 of the blocking member 60 is cut to form a positioning notch 64, and the positioning protrusion 1311 on the front end surface of the base 131 of the insulating body 13 is fitted in the positioning notch 64.

The position of the slot of the second fastening structure 26 of the insulating housing 20 coincides with the position of the fixing plate 65, and the slot is located inside the fixing plate 65. The latch of the first latching structure 1312 of the base 131 of the insulating body 13 is correspondingly matched with the latch of the second latching structure 26, and the latch of the first latching structure 1312 supports the bending of the fixing plate 65 and bears the force.

Referring to fig. 1, 4 and 5, the shielding element 40 includes a shielding main body 41 covering the fixing block 134, two side walls 42 formed by bending and extending from two lateral sides of the shielding main body 41, and a tail wall 43 formed by bending and extending from a rear end of the shielding main body 41. The shielding member 40 completely covers the fixing block 134 and the first and

second terminal sets

12,14 therein by shielding the main body 41, the two side walls 42 and the tail wall 43.

The two side walls 42 are provided with fastening holes 46 for fastening with the fastening protrusions 1343 of the fixing block 134. The shielding main body 41 is torn at a position corresponding to the clipping hole 1342 of the fixing block 134 to form a clipping hook 45 inserted into the clipping hole 1342. The two side walls 42 also include solder portions 44 that extend downward and are soldered to the printed circuit board.

Referring to fig. 1 to 13, a method for manufacturing the waterproof reversible plug socket of the present application will be described in detail below, including the following steps:

s01, stamping and forming the blocking piece 60, and integrally injection-molding the blocking piece 60 to form the insulating shell 20;

at this time, the fixing piece 65 of the stopper 60 is parallel to the extension piece 63 and is not bent, and a tape (not shown) extending out of the insulating housing 20 is connected to the fixing piece 65.

S02, providing a molded connector a, and inserting one side of the mating tongue 132 of the connector a into the insulating housing 20;

at this time, the docking tongue 132 and the molded coating 133 of the plug-in unit a pass through the through hole 62 of the blocking member 60, the base 131 is stopped at the rear end of the main body 61 of the blocking member 60, and the front end of the main body 61 is used for blocking the excessive insertion of the mating connector.

S03, bending the extending piece of the blocking member 60 inward and fastening it on the rear end face of the base 131 of the insulating body 13;

at this time, the stopper body 61 of the stopper 60 and the extension piece 65 sandwich the base 131 in front and rear and fix the base 131.

S04, coating a waterproof glue 50 on the isolation area 135 of the insulation body 13, wherein the waterproof glue 50 is filled between the inner wall of the insulation housing 20 and the isolation area 135.

The isolation region 135 and the inner wall of the insulating housing 20 form a filling region, the waterproof glue 50 can be tightly combined with the inner wall of the hollow part 23 of the insulating housing 20 to realize waterproof, and the isolation region 135 prevents the problem of water leakage caused by incomplete gap filling between the inner walls of the insulating body 13 and the insulating housing 20.

S05, inserting the shielding element 40 onto the fixing block 134 of the insulating body 13.

In another embodiment, the blocking member 60 is not integrally formed with the insulating housing 20, but a step portion is disposed in the hollow portion 23 of the insulating housing 20, a groove structure is disposed at the rear end of the step portion, the blocking member is sleeved from the front end of the hollow portion 23 to abut against the step portion, and then the fixing piece 65 is bent to buckle with the groove structure at the rear end of the step portion. Finally, the plug connector A is inserted from the rear end of the insulating housing 20, and a fixing piece is additionally arranged on the blocking piece 60 to be bent and fixed on the plug connector A.

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.

Claims

1. A waterproof positive and negative insertion USB socket is characterized by comprising an insulating shell with a hollow part, a blocking part integrally formed in the hollow part of the insulating shell, a plug connector sleeved in the insulating shell and fixed by the blocking part, and waterproof glue coated at the tail part of the insulating shell, wherein the plug connector comprises a middle plate, a first terminal group and a second terminal group which are positioned on the upper side and the lower side of the middle plate, and an insulating body which integrates the middle plate, the first terminal group and the second terminal group, the insulating body comprises a base part, a butt joint tongue part formed by forward extension of the base part and a fixing block positioned at the rear end of the base part and mutually isolated from the base part, the base part and the fixing block are mutually independent and form an isolation area in the middle, and the first terminal group and the second terminal group comprise contact parts exposed out of the upper surface and the lower surface of the butt joint tongue part, fixing parts formed in the base part and the fixing block and fixing parts extending to the lower surface The fixing part of the welding leg of the surface is exposed out of the isolation area, the waterproof glue is coated in the isolation area, and the top surface of the fixing block is buckled with the shielding piece.

2. The waterproof positive reverse-plug USB socket of claim 1, wherein the fixing block comprises a body extending in a transverse direction, a locking hole provided at both ends of the body in the transverse direction, and a locking protrusion provided on both sides of the body in the transverse direction.

3. The waterproof positive-negative-insertion USB socket according to claim 2, wherein the shielding member includes a shielding body covering the fixing block, two side walls formed by bending and extending from two lateral sides of the shielding body, and a tail wall formed by bending and extending from a rear end of the shielding body, and the shielding member completely shields and covers the fixing block and the first and second terminal sets therein through the shielding body, the two side walls, and the tail wall.

4. The waterproof positive and negative insertion USB socket according to claim 3, wherein the two side walls have fastening holes for fastening with the fastening protrusions of the fixing block, and the shielding body is torn at a position corresponding to the fastening holes of the fixing block to form hooks inserted into the fastening holes.

5. The waterproof positive-negative-insertion USB socket according to claim 1, wherein the blocking member includes a blocking body, a through hole formed in the blocking body, and an extending piece formed by bending and extending from the upper and lower sides of the blocking body, the extending piece is integrally formed in the insulating housing, the butt tongue portion passes through the through hole of the blocking piece, the base portion blocks on the blocking body, the extending piece further extends to form a fixing piece, and after the plug connector is inserted, the fixing piece is bent to be fastened on the rear end face of the base portion.

6. The waterproof positive-negative-insertion USB socket according to claim 5, wherein an isolation region without plastic is formed between the fixing block and the base, and the fixing block and the base are connected together by the first and second terminal sets.

7. The waterproof positive-negative-insertion USB socket according to claim 5, wherein the base has a first latching structure on its upper and lower surfaces, the hollow portion of the insulating housing has a second latching structure corresponding to the first latching structure, the first and second latching structures are clips or slots, and the slot of the second latching structure is located inside the fixing piece of the blocking member and corresponds to the clip of the first latching structure.

8. The waterproof positive-negative-insertion USB socket of claim 5, wherein the middle part of the blocking body is cut off to form a positioning notch, and a positioning bump matched with the positioning notch is arranged on the front end face of the base of the insulating body.

9. The waterproof positive reverse-insertion USB socket according to claim 6, wherein after the plug connector is inserted into the insulating housing, the outer periphery of the isolation area corresponds to the inner wall of the hollow portion, and the waterproof glue is coated in the isolation area and tightly combined with the inner wall of the hollow portion.

10. The waterproof front-back-plug USB socket according to claim 1, wherein the insulating housing further includes a peripheral wall and a mounting portion formed at a front end of the peripheral wall, an outer diameter of the mounting portion is larger than an outer diameter of the peripheral wall, an annular mounting groove is formed in a front end surface of the mounting portion to mount a waterproof ring, the waterproof ring includes a front end portion and an insertion portion extending rearward from the front end portion and inserted into the annular mounting groove, a thickness of the insertion portion is smaller than a thickness of the front end portion, and a front end portion of the waterproof ring is located on the front end surface of the mounting portion and is pressed against an inner wall of the mobile phone housing or other components to prevent water.