CN211238713U

CN211238713U - USB3.0 interface structure with shielding function

Info

Publication number: CN211238713U
Application number: CN201922445029.1U
Authority: CN
Inventors: 徐流桂
Original assignee: Guangdong Yalian Technology Co ltd
Current assignee: Guangdong Yalian Technology Co ltd
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-08-11
Anticipated expiration: 2029-12-28

Abstract

The utility model discloses a USB3.0 interface structure with shielding function for with PCB board erection joint, including female head body and shield cover, female head body outside is located to the shield cover, and female head body contains the casing, glues core and terminal, and on the terminal was located gluey core, in gluey core cover located the casing, the casing downwardly extending a plurality of leg, the shield cover bottom was laminated at PCB board upper surface with the tin with the SMT form, and the leg inserts and welds on the PCB board. This USB3.0 interface structure with shielding function adds the one deck shield cover in female first body outside, and PCB and the full laminated structure of shield cover carry out the signal and shield entirely, and the signal can not produce and reveal, can shield USB3.0 interface to external Wifi 2.4G's same frequency band signal interference.

Description

USB3.0 interface structure with shielding function

Technical Field

The utility model relates to a technical field of connector, in particular to USB3.0 interface structure with shielding function.

Background

The electronic products may generate interference to other peripheral electronic products, and the interference types include conducted interference and radiated interference, which are collectively referred to as electromagnetic interference (EMI), and the EMI signal may crosstalk to the equipment or the detection instrument. USB3.0 is one of the main interfaces of connecting electronic equipment, and external electronic product also can produce signal crosstalk phenomenon to the female seat of USB interface, and USB3.0 is especially serious to Wifi 2.4G's co-channel interference problem.

Therefore, a USB3.0 interface structure with a shielding function is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a USB3.0 interface structure with shielding function has the advantage of shielding Wifi 2.4G's logical frequency channel interfering signal.

In order to realize the above object, the utility model provides a USB3.0 interface structure with shielding function for with PCB board erection joint, including female head body and shield cover, the shield cover is located female head body outside, female head body contains the casing, glues core and terminal, the terminal is located glue on the core, glue the core cover and locate in the casing, a plurality of leg extends downwards to the casing, the shield cover bottom is in with the laminating of SMT form PCB board upper surface, the leg inserts and welds on the PCB board.

Preferably, the female head body is a horizontally-inserted female head, the shielding case comprises an upper cover and a lower cover, the shell is welded in the upper cover, the shell is arranged at the front end of the upper cover, and the lower cover is positioned below the shell and movably mounted on the upper cover; the components on the PCB are placed at the rear end of the upper cover.

Preferably, the lower cover is U-shaped, the upper cover is inverted U-shaped, the lower cover is fixed below the upper cover by fastening from bottom to top, the upper cover and the lower cover are fastened into a hollow cavity, and the female head body is arranged in the cavity.

Preferably, a plurality of first buckling blocks extend outwards from two outer side surfaces of the upper cover, a plurality of first penetrating holes are formed in two sides of the lower cover, and the first buckling blocks are fixed in the first penetrating holes.

Preferably, the upper cover further comprises a front end cover and a rear end cover, the rear end cover is fastened and fixed at the rear end of the front end cover by the rear end, a second buckling block extends outwards from the side surface of the rear end of the front end cover, a plurality of second penetrating holes are formed in two sides of the front end of the rear end cover, and the second buckling block is fixed in the second penetrating holes.

Preferably, a protruding block extends outwards from both sides of the rear end of the shell, grooves are respectively formed in both sides of the upper cover, and the protruding block is installed in the grooves from bottom to top.

Preferably, the female head body is a straight-inserting female head, the shielding case is an integrally formed hollow cover body, the shielding case is provided with a first opening at the top and a second opening at the bottom, the female head body is inserted into the shielding case from the direction of the first opening, and the welding leg is extended out of the shielding case from the second opening in the shielding case.

Preferably, the female head body is a side-inserted female head, the shielding case is a hollow cover body, the shielding case comprises a side cover and a bottom cover, the bottom cover is U-shaped, the bottom cover comprises a bottom plate and side plates, the bottom plate is arranged along the horizontal direction, the two side plates are arranged at two ends of the bottom plate along the vertical direction, the bottom cover is clamped on the side cover from bottom to top, and the side plates are positioned outside the side cover.

Preferably, the side cover is provided with a third opening in the left side direction and a fourth opening at the bottom, the female head body is inserted into the side cover from the third opening, and the welding leg extends out of the side cover from the fourth opening in the side cover.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a USB3.0 interface structure with shielding function adds the one deck shield cover in female first body outside, and PCB, the full laminated structure of shield cover carry out the signal and shield entirely, and the signal can not produce and reveal, can shield USB3.0 interface to external Wifi2.4G with the frequency band signal interference.

Drawings

Fig. 1 is a perspective view of a USB3.0 interface structure (horizontal plug-in female connector) with a shielding function according to a first embodiment of the present invention.

Fig. 2 is an exploded view of a USB3.0 interface structure (horizontal plug-in female connector) with a shielding function according to a first embodiment of the present invention.

Fig. 3 is an exploded view of a USB3.0 interface structure (direct plug) with a shielding function according to a second embodiment of the present invention.

Fig. 4 is an exploded view of a USB3.0 interface structure (direct plug) with a shielding function according to a third embodiment of the present invention.

Fig. 5 is an exploded view of a USB3.0 interface structure (side-plug female connector) with shielding function according to a fourth embodiment of the present invention.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

The utility model provides a USB3.0 interface structure (100, 100', 100 ", 100 '") with shielding function for with PCB board (not shown in the figure) erection joint, realize the full shielding effect of USB3.0 interface to Wifi 2.4G's same frequency band signal through this USB3.0 interface structure (100, 100', 100 ", 100 '") and the full laminated structure of PCB board. The USB3.0 interface structure (100, 100', 100 "') with the shielding function of the present embodiment is used for being mounted and connected with a PCB board, and includes a female body (10, 10', 10") and a shielding cover (20, 20', 20 "'), wherein the shielding cover (20, 20', 20" ') is sleeved outside the female body (10, 10', 10 "'), different shapes of the shielding cover (20, 20', 20" ') can be set according to different female bodies (10, 10', 10 "'), the female body (10, 10', 10" ') is a horizontal-insertion female head or a direct-insertion female head or a side-insertion female head, but not limited thereto, and the shape of the shielding cover (20, 20', 20 "') is described in detail below with reference to various embodiments.

Fig. 1-2 are different perspective views of a USB3.0 interface structure 100 (horizontal plug-in female head) with shielding function according to a first embodiment of the present invention, fig. 1-2 are different perspective views of a USB3.0 interface structure 100 '(direct plug-in female head) with shielding function according to a second embodiment of the present invention, fig. 1-2 are different perspective views of a USB3.0 interface structure 100 "(side plug-in female head) with shielding function according to a third embodiment of the present invention, and the following describes in detail the structure of the USB3.0 interface structure (100, 100', 100") with shielding function with reference to the accompanying drawings:

the first embodiment: USB3.0 interface of horizontal plug-in type female connector

Referring to fig. 1-2, the USB3.0 interface structure 100 with shielding function of the present embodiment includes a female body 10 and a shielding cover 20, wherein the shielding cover 20 is sleeved outside the female body 10. Female head body 10 contains casing 11, gluey core 12 and terminal 13, and on gluey core 12 was located to terminal 13, gluey core 12 cover was located in casing 11, and casing 11 downwardly extending a plurality of leg 111, the laminating of tin with the SMT form is on PCB board upper surface for the shield cover 20 bottom, and leg 111 inserts and welds on PCB board.

Further, the shielding case 20 of the present embodiment includes an upper case 21 and a lower case 22, the lower case 22 is located below the female body 10 and movably mounted on the upper case 22, and the lower case 22 can be conveniently detached, so that the female body 10 can be placed in the shielding case 20 more quickly. Preferably, the lower cover 22 is U-shaped, the upper cover 21 is inverted U-shaped, the lower cover 22 is fastened and fixed below the upper cover 21 from bottom to top, the upper cover 21 and the lower cover 22 are fastened to form a hollow cavity 23, the female head body 10 is disposed in the cavity 23, and the upper surface of the female head body 10 is laser-welded on the upper cover 21. Specifically, two outer side surfaces of the upper cover 21 are both provided with a plurality of first fastening blocks 213 extending outwards, two sides of the lower cover 22 are both provided with a plurality of first penetrating holes 221, and the first fastening blocks 213 are fixed in the first penetrating holes 221. Preferably, the thickness of the first fastening block 213 increases gradually from bottom to top, the cross section of the first fastening block 213 is triangular, when the first fastening block is installed, the lower cover 22 moves slowly and upwards, when the first fastening block moves to a certain height, the inner side of the U-shaped bottom of the lower cover 22 contacts the bottom of the female head body 10, and the first fastening block 213 penetrates through the first penetrating hole 221 from inside to outside, so that the lower cover 22 is fastened and fixed on the upper cover 21.

Further, the upper cover 21 of the present embodiment may be integrally formed, but the overall processing cost is high; accordingly, the upper cover 21 can be divided into a plurality of parts to be molded, and then assembled after molding, which can reduce the processing cost. Preferably, the upper cover 21 of the present embodiment further includes a front end cover 211 and a rear end cover 212, the rear end cover 212 is fastened and fixed at the rear end of the front end cover 211, a second fastening block 211a extends outward from the rear end side of the front end cover 211, a plurality of second penetrating holes 212a are respectively formed on two sides of the front end of the rear end cover 212, and the second fastening block 211a is fixed in the second penetrating holes 212 a. Preferably, the thickness of the second locking block 211a gradually increases from back to front, the cross section of the second locking block 211a is triangular, when the second locking block 211a is installed, the rear end cover 212 slowly moves forward, and when the second locking block 211a moves to a certain position, the second locking block 211a penetrates through the second penetrating hole 212a from inside to outside, so that the rear end cover 212 is locked and fixed on the front end cover 211.

Referring to fig. 1-2, the female body 10 of the present embodiment is welded in the upper housing 21, the female body 10 is disposed at the front end of the upper housing 21, the lower housing 22 is disposed below the female body 10 and movably mounted on the upper housing 21, and the lower housing 22 can be detached conveniently, so that the female body 10 can be placed in the shielding housing 20 quickly. Preferably, the lower end of the upper cover 21 is attached to the upper surface of the PCB by using tin in an SMT manner, the solder leg 111 is inserted and soldered to the PCB, and the component on the PCB is placed at the rear end of the upper cover 21. Therefore, the shielding cover 20 and the PCB are mutually matched and installed, so that the female head body 10 can be completely shielded from signals, and the interference of the USB3.0 interface to external signals is shielded.

Furthermore, in the embodiment, two sides of the rear end of the housing 11 both extend outward to form a protrusion 112, two sides of the upper cover 21 are respectively provided with a groove 214, and the protrusion 112 is installed into the groove 214 from bottom to top. The housing 11 can be fixed on the upper cover 21 by the cooperation of the protrusion 112 and the groove 214, so that the structure is more stable.

Second embodiment: USB3.0 interface of direct plug-in type female head

Referring to fig. 3, the USB3.0 interface structure 100' with shielding function of the present embodiment includes a female body 10' and a shielding cover 20', and the shielding cover 20' is sleeved outside the female body 10 '. The female head body 10 'of this embodiment includes a housing 11', a rubber core 12 'and a terminal (not shown), wherein the terminal is disposed on the rubber core 12', the rubber core 12 'is sleeved in the housing 11', the housing 11 'extends downwards to form a plurality of solder legs 111', the bottom of the shielding can 20 'is attached to the upper surface of the PCB by using tin in an SMT manner, and the solder legs 111' are inserted and soldered onto the PCB. A plurality of DIP solder columns 112' extend downwards from the bottom of the housing 11', and the DIP solder columns 112' are inserted into solder holes of the PCB and fixed by a DIP (dual inline-pin package) board mounting process.

Further, the female head body 10 'is a direct-insert female head, the shielding case 20' is an integrally formed hollow cover body, the shielding case 20 'is provided with a first opening 21' at the top and a second opening 22 'at the bottom, the female head body 10' is inserted into the shielding case 20 'from the direction of the first opening 21', and the side surface of the female head body 10 'is laser-welded on the shielding case 20'. The solder tails extend from the inside of the shield 20' out of the shield 20' from the second opening 22 '. Through the mutual cooperation installation of shield cover 20 'and PCB board, can carry out signal full shielding with female head body 10', shield to external signal interference.

The third embodiment: USB3.0 interface of direct plug-in type female head

Referring to fig. 4, the USB3.0 interface structure 100 "with shielding function of the present embodiment includes a female body 10" and a shielding cover 20 ", the female body 10" includes a shell 11 ", a rubber core (not shown) and a terminal 13", and further includes an upper solder 111 of the shell 11 ", a first opening 21" of the shielding cover 20 "and a second opening 22" at the bottom, which are the same as the second embodiment. The third embodiment is different from the second embodiment in that: the bottom of the housing 11 "also extends downwards to form a plurality of SMT solder fillets 112", and the SMT solder fillets 112 "are soldered to the surface of the PCB board and fixed by a SMT (surface Mounted technology) board mounting process.

The fourth embodiment: USB3.0 interface of side-inserted female connector

Referring to fig. 5, the USB3.0 interface structure 100 "' with shielding function of the present embodiment includes a female connector body (not shown) and a shielding cover 20" ', where the shielding cover 20 "' is sleeved outside the female connector body. The female head body of the embodiment includes a housing 11 "', a rubber core (not shown) and a terminal (not shown), the terminal is disposed on the rubber core, the rubber core is sleeved in the housing 11" ', the housing 11 "' extends downwards to form a plurality of solder legs 111" ', the bottom of the shielding cover 20 "is attached to the upper surface of the PCB board in an SMT manner by using tin, and the solder legs 111" ' are inserted and welded on the PCB board.

Furthermore, the female head body is a side-inserted female head, the shielding cover 20 "' is a hollow cover body, the shielding cover 20" ' comprises a side cover 21 "' and a bottom cover 22" ', the bottom cover 22 "' is U-shaped, the bottom cover 22" ' comprises a bottom plate 221 "' and side plates 222" ', the bottom plate 221 "' is arranged along the horizontal direction, the two side plates 222" ' are arranged at two ends of the bottom plate 221 "' along the vertical direction, the bottom cover 22" ' is clamped on the side cover 21 "' from bottom to top, and the side plates 222" ' are positioned outside the side cover 21 "'. Furthermore, the side cover 21 "' is provided with a third opening 211" ' in the left direction and a fourth opening 212 "' at the bottom, the female body is inserted into the side cover 21" ' from the third opening, and the front side surface and the rear side surface of the female body are laser welded on the side cover 21 "'. The solder leg 111 "' extends from the inside of the side cover 21" ' to the outside of the side cover 21 "' from the fourth opening. Through the mutual matching installation of the side cover 21', the bottom cover 22' and the PCB, the female head body can be subjected to signal full shielding, and the interference to external signals is shielded.

The utility model discloses a USB3.0 interface structure (100, 100') with shielding function can improve Wifi reception sensitivity more than 20 dB. The following table 1 shows the data of the improvement effect of the wifi2.4g reception sensitivity:

TABLE 1

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a USB3.0 interface structure (100, 100', 100 "') with shielding function adds one deck shield cover (20, 20', 20" ') in female first body (10, 10', 10 "') outside, and PCB board, shield cover (20, 20', 20" ') laminated structure entirely carry out the signal and shield, and the signal can not produce and reveal, can shield USB3.0 interface to external Wifi 2.4G's same frequency band signal interference.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a USB3.0 interface structure with shielding function for with PCB board erection joint, a serial communication port, including female head body and shield cover, the shield cover is located female head body outside, female head body contains casing, rubber core and terminal, the terminal is located glue on the core, rubber core cover is located in the casing, a plurality of leg extends downwards to the casing, the shield cover bottom is in with the laminating of SMT form PCB board upper surface, the leg inserts and welds on the PCB board.

2. The USB3.0 interface structure with shielding function according to claim 1, wherein the female connector body is a horizontally-inserted female connector, the shielding cover comprises an upper cover and a lower cover, the housing is welded in the upper cover, the housing is disposed at the front end of the upper cover, and the lower cover is located below the housing and movably mounted on the upper cover; the components on the PCB are placed at the rear end of the upper cover.

3. The USB3.0 interface structure with the shielding function according to claim 2, wherein the lower cover is U-shaped, the upper cover is inverted U-shaped, the lower cover is fastened and fixed below the upper cover from bottom to top, the upper cover and the lower cover are fastened together to form a hollow cavity, and the female body is disposed in the cavity.

4. The USB3.0 interface structure with the shielding function according to claim 2, wherein a plurality of first fastening blocks extend outward from two outer side surfaces of the upper cover, a plurality of first through holes are formed in two sides of the lower cover, and the first fastening blocks are fixed in the first through holes.

5. The USB3.0 interface structure with shielding function according to claim 2, wherein the upper housing further comprises a front end housing and a rear end housing, the rear end housing is fastened and fixed to the rear end of the front end housing by the rear end, a second fastening block extends outward from the side of the rear end of the front end housing, a plurality of second through holes are formed in both sides of the front end of the rear end housing, and the second fastening block is fixed in the second through holes.

6. The USB3.0 interface structure with shielding function according to claim 2, wherein a protrusion extends outwards from both sides of the rear end of the housing, a groove is respectively formed on both sides of the upper cover, and the protrusion is installed into the groove from bottom to top.

7. The USB3.0 interface structure with shielding function according to claim 1, wherein the female body is an in-line female, the shielding cover is an integrally formed hollow cover body, the shielding cover has a first opening at the top and a second opening at the bottom, the female body is inserted into the shielding cover from the direction of the first opening, and the solder tails extend out of the shielding cover from the second opening from the inside of the shielding cover.

8. The USB3.0 interface structure with the shielding function according to claim 1, wherein the female connector body is a side-inserted female connector, the shielding cover is a hollow cover body, the shielding cover comprises a side cover and a bottom cover, the bottom cover is U-shaped, the bottom cover comprises a bottom plate and side plates, the bottom plate is horizontally disposed, the two side plates are vertically disposed at two ends of the bottom plate, the bottom cover is fastened to the side cover from bottom to top, and the side plates are located outside the side cover.

9. The USB3.0 interface structure with shielding function of claim 8, wherein the side cover has a third opening on the left side and a fourth opening on the bottom, the female body is inserted into the side cover from the third opening, and the solder legs extend out of the side cover from the fourth opening in the side cover.