CN109088215B

CN109088215B - Waterproof positive reverse plug USB socket

Info

Publication number: CN109088215B
Application number: CN201810877495.4A
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: CN109088215A

Abstract

A waterproof positive and negative plug-in USB socket comprises an insulating shell with a hollow part, a blocking piece assembled in the insulating shell and a plug connector sleeved in the insulating shell, the blocking piece comprises a blocking main body, a through hole arranged on the blocking main body and a plurality of fixing pieces formed by bending and extending from the upper side and the lower side of the blocking main body, a step part and a clamping groove are arranged in the hollow part, the blocking piece is arranged in the hollow part from the front end of the insulating shell, the retaining main body is abutted against the step part, the fixing piece is bent outwards and buckled in the clamping groove for fixing, the plug connector comprises a base part and a butt joint tongue part formed by extending forwards from the base part, the butt joint tongue part passes through the through hole of the butt joint sheet from the rear end of the insulating shell, the base part is abutted against the step part, and the fixing piece is bent inwards and buckled on the rear end face of the base part to fix the plug connector. The waterproof positive reverse plug USB socket does not influence antenna signals.

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.

For the above reasons or other reasons, it is desirable to provide a reversible USB receptacle using an insulative housing.

Disclosure of Invention

In view of the above, it is desirable to provide a waterproof reversible USB receptacle with an insulating housing.

In order to solve the technical problem, the application provides an insulation housing comprising a hollow part, a blocking part assembled in the hollow part of the insulation housing, a plug connector sleeved in the insulation housing, and a waterproof adhesive coated on the tail part of the insulation housing, wherein the blocking part comprises a blocking main body, at least two pairs of fixing pieces which are arranged on the blocking main body and formed by bending and extending from the upper side and the lower side of the blocking main body, a step part and a clamping groove arranged at the rear end of the step part are arranged in the hollow part of the insulation housing, the blocking part is arranged in the hollow part from the front end of the insulation housing, the blocking main body is abutted against the step part, at least one pair of fixing pieces are outwards bent and buckled in the clamping groove for fixation, the plug connector comprises a base part and a butt joint tongue part formed by forward extending from the base part, and the butt joint tongue part passes through the through hole of the blocking piece, the base part is abutted against the step part, and at least one pair of fixing pieces are bent inwards and buckled on the rear end face of the base part to fix the plug connector.

The utility model provides a waterproof positive reverse plug USB socket is through setting up insulating casing, and the fixed metal of well kenozooecium internal assembly in the insulating casing blocks, the side is bent to extend and is formed with two pairs at least stationary blades about blocking, wherein at least a pair of stationary blade outwards bend detain hold in insulating casing's draw-in groove, treat the plug connector inserts behind the insulating casing, wherein at least a pair of stationary blade is bent and is detained the plug connector guarantees that insulating casing is right the retentivity of plug connector has removed metal casing simultaneously, avoids causing the interference to cell-phone antenna signal.

Preferably, the connector further includes a middle plate, first and second terminal sets located at upper and lower sides of the middle plate, and an insulating body integrating the middle plate, the first and second terminal sets.

Preferably, the insulation body comprises the base, the butt-joint tongue portion and a fixed block which is formed at the rear end of the base and is isolated from the base, an isolation area without plastic is formed between the fixed block and the base, and the fixed block and the base are connected into a whole through the first terminal set and the second terminal set.

Preferably, the first and second terminal sets include contact portions exposed from upper and lower surfaces of the mating tongue, holding portions formed in the insulating body and partially exposed from the isolation region, and solder fillets extending from a bottom surface of the fixing block.

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 include the enclosure wall and form in the installation department of enclosure wall front end, the external diameter of installation department is greater than the external diameter of enclosure wall, the terminal surface has seted up annular mounting groove in order to install waterproof circle before the installation department.

Preferably, the waterproof ring comprises a front end part and an insertion part which extends backwards from the front end part and is inserted into the annular mounting groove, the thickness of the insertion part is smaller than that of the front end part, and the front end part of the waterproof ring is positioned on the front end surface of the mounting part and is pressed with the inner wall of the mobile phone shell or other components to prevent water.

Preferably, the USB socket further includes a shielding member fastened to the fixing block of the insulating body.

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 fixing piece 65 of the stopper 60 inward and fastening it on the rear end face of the base 131 of the insulating housing 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 piece assembled in the hollow part of the insulating shell, a plug connector sleeved in the insulating shell and waterproof glue coated at the tail part of the insulating shell, wherein the blocking piece comprises a blocking main body, a through hole formed in the blocking main body and at least two pairs of fixing pieces formed by bending and extending the upper side and the lower side of the blocking main body, a step part and a clamping groove formed at the rear end of the step part are arranged in the hollow part of the insulating shell, the blocking piece is arranged in the hollow part from the front end of the insulating shell, the blocking main body is abutted against the step part, at least one pair of fixing pieces are bent outwards and buckled in the clamping groove for fixing, the plug connector comprises a base part and a butt joint tongue part formed by extending forwards from the base part, and the butt joint tongue part penetrates through the through hole of the blocking piece from the rear, the base part is abutted against the step part, and at least one pair of fixing pieces are bent inwards and buckled on the rear end face of the base part to fix the plug connector.

2. The waterproof positive-negative-insertion USB socket of claim 1, wherein the connector further comprises a middle plate, first and second terminal sets disposed on upper and lower sides of the middle plate, and an insulating body integrating the middle plate, the first terminal set, and the second terminal set.

3. The waterproof positive-negative-insertion USB socket according to claim 2, wherein the insulating body includes the base, the docking tongue, and a fixing block formed at a rear end of the base and isolated from the base, 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.

4. The waterproof positive-negative-insertion USB socket according to claim 3, wherein the first and second terminal sets include contact portions exposed on the upper and lower surfaces of the mating tongue, holding portions formed in the insulating body and partially exposed in the isolation region, and solder tails extending out of the bottom surface of the fixing block.

5. The waterproof positive-negative-insertion USB socket according to claim 3, 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.

6. The waterproof positive-negative-insertion USB socket according to claim 3, wherein the middle portion of the blocking body is cut off to form a positioning notch, and a positioning protrusion engaged with the positioning notch is disposed on the front end surface of the base of the insulating body.

7. The waterproof positive reverse-insertion USB socket according to claim 3, 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.

8. The waterproof front-back inserting USB socket according to claim 1, wherein the insulating housing further comprises 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, and an annular mounting groove is formed in a front end surface of the mounting portion to mount the waterproof ring.

9. The waterproof positive reverse-plug USB socket according to claim 8, wherein 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, the insertion portion has a thickness smaller than that of the front end portion, and the front end portion of the waterproof ring is located on the front end surface of the mounting portion and presses against an inner wall of a housing of the mobile phone or other components to prevent water.

10. The waterproof positive reverse-plug USB socket of claim 3, further comprising a shield member retained on the retention block of the housing.