CN217158847U - Double-shell anti-interference USB (universal serial bus) female connector - Google Patents
Double-shell anti-interference USB (universal serial bus) female connector Download PDFInfo
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- CN217158847U CN217158847U CN202220141011.1U CN202220141011U CN217158847U CN 217158847 U CN217158847 U CN 217158847U CN 202220141011 U CN202220141011 U CN 202220141011U CN 217158847 U CN217158847 U CN 217158847U
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Abstract
The utility model discloses a double-shell anti-interference USB female connector, which comprises an insulating body, a terminal group, a shielding inner shell and a shielding outer shell; the terminal group is embedded, molded and fixed in the insulating body; the shielding inner shell is covered outside the insulating body, and the front end of the shielding inner shell is provided with a plurality of elastic sheets; the shielding outer shell is covered outside the shielding inner shell; cover the shielding inner shell completely through setting up shielding shell, the cooperation sets up the last indent evagination of shielding shell and forms a plurality of grooves of stepping down at shielding shell's inner wall, it is corresponding that the outer wall at shielding shell forms a plurality of convex closure, and a plurality of shell fragments are respectively just to the groove of stepping down that corresponds, the exposed area of terminal has significantly reduced to this kind of double-shelled anti-interference USB female connector structure, thereby prevent to receive external electric field, the influence of interference sources such as magnetic field, make the normal transmission and the transmission speed of data obtain guaranteeing, for user's use brings the facility, promote user's experience and feel, satisfy current demand.
Description
Technical Field
The utility model belongs to the technical field of the female connector and specifically relates to indicate a double-shell anti-interference USB female connector.
Background
USB, the Universal Serial Bus, is a way to connect electronic products. The device can be applied to various devices such as mobile devices, audio-visual devices, automotive electronics, multimedia devices, electric appliances and the like, and is widely applied to various external devices. There are three types of USB interfaces, USB1.1, USB2.0, and USB 3.0. Theoretically, the transmission speed of the USB1.1 can reach 12 Mbps/second, the transmission speed of the USB2.0 can reach 480 Mbps/second, and the USB1.1 can be downward compatible. The USB3.0 transmission rate is approximately 3.2Gbps (i.e., 320MB/S), and the theoretical highest rate is 5.0Gbps (i.e., 500 MB/S).
The female seat connector of present USB generally sets up the structure of shell fragment all around the shielding shell to this satisfies the demand of public female seat collocation plug-in force and durability, but such structure makes the terminal large tracts of land in the shielding shell inside expose, very easily receives the influence of interference sources such as external electric field, magnetic field, thereby lead to the data transmission and the transmission speed of the female seat connector of USB to receive the influence, bring inconvenience for user's use, user's experience is relatively poor, can not satisfy current demand. Therefore, there is a need for an improved USB female connector.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a USB female connector with double-shell anti-interference, which can effectively solve the problem that the conventional USB female connector has shielding shell, and the terminals inside the shielding shell are exposed in large area by the elastic pieces arranged around the shielding shell, resulting in being easily affected by interference sources such as external electric field and magnetic field.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a double-shell anti-interference USB female connector comprises an insulating body, a terminal group, a shielding inner shell and a shielding outer shell; the terminal group is embedded, molded and fixed in the insulating body; the shielding inner shell is covered outside the insulating body, and the front end of the shielding inner shell is provided with a plurality of elastic sheets; this shielding shell cladding is outside the shielding inner shell, and this shielding shell covers the shielding inner shell completely, prevents to receive the influence of external electromagnetic field, and the last indent evagination of shielding shell and be formed with a plurality of grooves of stepping down at shielding shell's inner wall, corresponding outer wall at shielding shell is formed with a plurality of convex closure, and aforementioned a plurality of shell fragments are just to the groove of stepping down that corresponds respectively.
As an optimal scheme, shielding shell passes through laser welding and shielding inner shell fixed connection for shielding shell's gap is dead by the shutoff, reaches better anti-interference effect, and this shielding shell is including epitheca and inferior valve, and this epitheca and inferior valve buckle are connected fixedly, and the equipment is simple easily operated.
As a preferable scheme, the bottom edges of the two sides of the front end of the upper shell are convexly provided with buckling parts, the two sides of the lower shell are provided with buckling holes, and the buckling parts are matched with the buckling holes to be buckled and fixed.
As a preferable scheme, a plurality of welding spots which are arranged side by side at equal intervals are respectively formed on two side surfaces of the shielding outer shell and two side surfaces of the shielding inner shell.
As a preferred scheme, the upper shell comprises a second rear cover plate movably arranged at the rear end of the upper shell, second through holes are formed in the left side and the right side of the second rear cover plate, second buckles are arranged on the left side and the right side of the rear end of the upper shell, and the second buckles are fixedly connected with the second through holes in a buckled mode.
Preferably, the shielding inner shell and the shielding outer shell are iron shells.
As a preferable scheme, the insulation body comprises a first insulation piece and a second insulation piece, the terminal group comprises four first terminals and four second terminals, the first terminals are arranged in parallel at equal intervals, the second terminals are arranged in parallel at equal intervals, the four first terminals are embedded and formed and fixed in the first insulation piece, the five second terminals are embedded and formed and fixed in the second insulation piece, and the first insulation piece and the second insulation piece are fixedly connected together in a left-right side-by-side mode.
As a preferable scheme, the first terminal comprises a first contact portion, a first fixing portion and a first welding portion, the first contact portion is exposed out of the front end of the first insulating member, the first fixing portion is embedded in the first insulating member, and the first welding portion extends downwards out of the first insulating member; the second terminal comprises a second contact part, a second fixing part and a second welding part, the second contact part is exposed out of the front end of the second insulating part, the second fixing part is embedded in the second insulating part, and the second welding part extends downwards out of the second insulating part.
As a preferred scheme, the left and right sides of the insulating body are provided with fixing grooves, the left and right sides of the shielding inner shell are provided with clamping points, and the clamping points are fixedly connected with the fixing grooves in a buckling mode.
As a preferred scheme, the shielding inner shell comprises a first rear cover plate movably arranged at the rear end of the shielding inner shell, first through holes are formed in the left side and the right side of the first rear cover plate, first buckles are arranged on the left side and the right side of the rear end of the shielding inner shell, and the first buckles are fixedly connected with the first through holes in a buckled mode.
Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:
cover the shielding inner shell completely through setting up shielding shell, the cooperation sets up the last indent evagination of shielding shell and forms a plurality of grooves of stepping down at shielding shell's inner wall, it is corresponding that the outer wall at shielding shell forms a plurality of convex closure, and a plurality of shell fragments are respectively just to the groove of stepping down that corresponds, the exposed area of terminal has significantly reduced to this kind of double-shelled anti-interference USB female connector structure, thereby prevent to receive external electric field, the influence of interference sources such as magnetic field, make the normal transmission and the transmission speed of data obtain guaranteeing, for user's use brings the facility, promote user's experience and feel, satisfy current demand.
To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is an assembled perspective view of a preferred embodiment of the present invention;
FIG. 2 is a perspective view of the present invention in another angle;
fig. 3 is an exploded view of the preferred embodiment of the present invention;
fig. 4 is an exploded view from another angle of the preferred embodiment of the present invention;
fig. 5 is a cross-sectional view of a preferred embodiment of the invention.
The attached drawings indicate the following:
10. insulating body 11, first insulating piece
12. Second insulating member 13, fixing groove
20. Terminal group 21 and first terminal
211. First contact part 212 and first fixing part
213. First solder part 22 and second terminal
221. Second contact portion 222 and second fixing portion
223. Second welding part 30, shielding inner shell
31. Spring plate 32, clip point
33. First back cover plate 34, first through hole
35. First buckle 40 and shielding shell
41. Abdicating groove 42, convex hull
43. Upper shell 44, lower shell
45. Second rear cover plate 401, fastener
402. A fastening hole 403 and a second through hole
404. Second snap 405, solder joint.
Detailed Description
Referring to fig. 1 to 5, a specific structure of a preferred embodiment of the present invention is shown, which includes an insulating body 10, a terminal set 20, a shielding inner shell 30 and a shielding outer shell 40.
The insulating body 10 includes a first insulating member 11 and a second insulating member 12, and fixing grooves 13 are formed on left and right side surfaces of the insulating body 10.
The terminal set 20 is fixed in the insulating body 10 by insert molding; in the embodiment, the terminal group 20 includes four first terminals 21 and four second terminals 22, the first terminals 21 are arranged in parallel at equal intervals, the second terminals 22 are arranged in parallel at equal intervals, the four first terminals 21 are fixed in the first insulating member 11 in an insert molding manner, the five second terminals 22 are fixed in the second insulating member 12 in an insert molding manner, and the first insulating member 11 and the second insulating member 12 are fixedly connected together in a left-right side-by-side manner; the first terminal 21 includes a first contact portion 211, a first fixing portion 212 and a first soldering portion 213, the first contact portion 211 is exposed at the front end of the first insulating member 11, the first fixing portion 212 is embedded in the first insulating member 11, and the first soldering portion 213 extends downward out of the first insulating member 11; the second terminal 22 includes a second contact portion 221, a second fixing portion 222 and a second soldering portion 223, the second contact portion 221 is exposed out of the front end of the second insulating member 12, the second fixing portion 222 is embedded in the second insulating member 12, and the second soldering portion 223 extends downward out of the second insulating member 12.
The shielding inner shell 30 is covered outside the insulating body 10, and a plurality of elastic sheets 31 are arranged at the front end of the shielding inner shell 30; in the present embodiment, the shield inner case 30 is an iron case; the left side and the right side of the shielding inner shell 30 are provided with clamping points 32, and the clamping points 32 are fixedly connected with the fixing grooves 13 in a buckling manner; the shielding inner shell 30 includes a first rear cover plate 33 movably disposed at the rear end of the shielding inner shell 30, first through holes 34 are disposed on the left and right sides of the first rear cover plate 33, first fasteners 35 are disposed on the left and right sides of the rear end of the shielding inner shell 30, and the first fasteners 35 are fixedly connected to the first through holes 34.
The shielding outer shell 40 covers the shielding inner shell 30, the shielding outer shell 40 completely covers the shielding inner shell 30 to prevent the shielding inner shell from being affected by an external electromagnetic field, the shielding outer shell 40 is concave and convex, a plurality of abdicating grooves 41 are formed on the inner wall of the shielding outer shell 40, a plurality of convex hulls 42 are correspondingly formed on the outer wall of the shielding outer shell 40, and the plurality of elastic sheets 31 are respectively opposite to the corresponding abdicating grooves 41; in this embodiment, the shielding outer shell 40 is fixedly connected with the shielding inner shell 30 through laser welding, so that a gap of the shielding outer shell 40 is sealed, and a better anti-interference effect is achieved, the shielding outer shell 40 comprises an upper shell 43 and a lower shell 44, the upper shell 43 and the lower shell 44 are fixedly connected in a buckling manner, and the assembly is simple and easy to operate; the bottom edges of the two sides of the front end of the upper shell 43 are convexly provided with a buckling part 401, the two sides of the lower shell 44 are provided with buckling holes 402, and the buckling part 401 is matched with the buckling holes 402 for buckling and fixing; the upper shell 43 comprises a second rear cover plate 45 movably arranged at the rear end of the upper shell 43, second through holes 403 are formed in the left side and the right side of the second rear cover plate 45, second buckles 404 are arranged on the left side and the right side of the rear end of the upper shell 43, and the second buckles 404 are fixedly connected with the second through holes 403 in a buckling manner; a plurality of welding spots 405 which are arranged side by side at equal intervals are respectively formed on two side surfaces of the shielding outer shell 40 and two side surfaces of the shielding inner shell 30; the shield case 40 is an iron case.
Detailed description the fabrication and assembly process of the present embodiment is as follows:
firstly, placing four first terminals 21 into a mold to form a first insulating part 11 by injection molding, placing five second terminals 22 into another mold to form a second insulating part 12 by injection molding, then, fixedly connecting the first insulating part 11 and the second insulating part 12 side by side, then, placing the assembled first insulating part 11 and the assembled second insulating part 12 into the shielding inner shell 30, fixedly connecting the clamping points 32 and the fixing grooves 13 in a clamping manner, and fixedly connecting the first clamping buckles 35 on the shielding inner shell 30 with the first through holes 34 in a clamping manner; then, the upper shell 43 is covered outside the shielding inner shell 30, the buckle part 401 and the buckle hole 402 are matched, buckled and fixed, and the second buckle 404 and the second through hole 403 are buckled and fixedly connected; finally, the shield outer case 40 and the shield inner case 30 are fixedly connected by laser welding.
The utility model discloses a design focus lies in:
cover the shielding inner shell completely through setting up shielding shell, the cooperation sets up the last indent evagination of shielding shell and forms a plurality of grooves of stepping down at shielding shell's inner wall, it is corresponding that the outer wall at shielding shell forms a plurality of convex closure, and a plurality of shell fragments are respectively just to the groove of stepping down that corresponds, the exposed area of terminal has significantly reduced to this kind of double-shelled anti-interference USB female connector structure, thereby prevent to receive external electric field, the influence of interference sources such as magnetic field, make the normal transmission and the transmission speed of data obtain guaranteeing, for user's use brings the facility, promote user's experience and feel, satisfy current demand.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (10)
1. A double-shell anti-interference USB female connector comprises an insulating body, a terminal group, a shielding inner shell and a shielding outer shell; the terminal group is embedded, molded and fixed in the insulating body; the shielding inner shell is coated outside the insulating body, and the front end of the shielding inner shell is provided with a plurality of elastic sheets; this shielding shell cladding is outside shielding inner shell, its characterized in that: the shielding inner shell is completely covered by the shielding outer shell, the shielding outer shell is concave and convex, a plurality of abdicating grooves are formed on the inner wall of the shielding outer shell, a plurality of convex hulls are correspondingly formed on the outer wall of the shielding outer shell, and the plurality of elastic sheets are respectively opposite to the corresponding abdicating grooves.
2. The double-shell anti-tamper USB female connector of claim 1, wherein: the shielding shell is fixedly connected with the shielding inner shell through laser welding, and comprises an upper shell and a lower shell which are connected and fixed through buckles.
3. The double-shell anti-tamper USB female connector of claim 2, wherein: the bottom edges of two sides of the front end of the upper shell are convexly provided with buckling parts, two sides of the lower shell are provided with buckling holes, and the buckling parts are matched with the buckling holes and are buckled and fixed.
4. The double-shell anti-tamper USB female connector of claim 2, wherein: and a plurality of welding spots which are arranged side by side at equal intervals are formed on two side surfaces of the shielding outer shell and two side surfaces of the shielding inner shell respectively.
5. The double-shell anti-tamper USB female connector of claim 2, wherein: the upper shell comprises a second rear cover plate movably arranged at the rear end of the upper shell, second through holes are formed in the left side and the right side of the second rear cover plate, second buckles are arranged on the left side and the right side of the rear end of the upper shell, and the second buckles are fixedly connected with the second through holes in a buckled mode.
6. The double-shell anti-tamper USB female connector of claim 1, wherein: the shielding inner shell and the shielding outer shell are iron shells.
7. The double-shell anti-tamper USB female connector of claim 1, wherein: the insulating body comprises a first insulating piece and a second insulating piece, the terminal group comprises a first terminal and a second terminal, the first terminal is four terminals which are arranged side by side at equal intervals, the second terminal is five terminals which are arranged side by side at equal intervals, the four first terminals are embedded and formed and fixed in the first insulating piece, the five second terminals are embedded and formed and fixed in the second insulating piece, and the first insulating piece and the second insulating piece are fixedly connected side by side left and right.
8. The double-shell anti-tamper USB female connector of claim 7, wherein: the first terminal comprises a first contact part, a first fixing part and a first welding part, the first contact part is exposed out of the front end of the first insulating part, the first fixing part is embedded in the first insulating part, and the first welding part extends downwards out of the first insulating part; the second terminal comprises a second contact part, a second fixing part and a second welding part, the second contact part is exposed out of the front end of the second insulating part, the second fixing part is embedded in the second insulating part, and the second welding part extends downwards out of the second insulating part.
9. The double-shell anti-tamper USB female connector of claim 1, wherein: fixed slots are formed in the left side face and the right side face of the insulating body, clamping points are arranged on the left side face and the right side face of the shielding inner shell, and the clamping points are connected and fixed with the fixed slots in a buckling mode.
10. The double-shell anti-tamper USB female connector of claim 1, wherein: the shielding inner shell comprises a first rear cover plate movably arranged at the rear end of the shielding inner shell, first through holes are formed in the left side and the right side of the first rear cover plate, first buckles are arranged on the left side and the right side of the rear end of the shielding inner shell, and the first buckles are fixedly connected with the first through holes in a buckling mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220141011.1U CN217158847U (en) | 2022-01-19 | 2022-01-19 | Double-shell anti-interference USB (universal serial bus) female connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220141011.1U CN217158847U (en) | 2022-01-19 | 2022-01-19 | Double-shell anti-interference USB (universal serial bus) female connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217158847U true CN217158847U (en) | 2022-08-09 |
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ID=82687787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220141011.1U Active CN217158847U (en) | 2022-01-19 | 2022-01-19 | Double-shell anti-interference USB (universal serial bus) female connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217158847U (en) |
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2022
- 2022-01-19 CN CN202220141011.1U patent/CN217158847U/en active Active
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