CN201440485U - USB connector and electronic device having same - Google Patents
USB connector and electronic device having same Download PDFInfo
- Publication number
- CN201440485U CN201440485U CN2009201715256U CN200920171525U CN201440485U CN 201440485 U CN201440485 U CN 201440485U CN 2009201715256 U CN2009201715256 U CN 2009201715256U CN 200920171525 U CN200920171525 U CN 200920171525U CN 201440485 U CN201440485 U CN 201440485U
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- China
- Prior art keywords
- usb connector
- grounding pin
- pcb board
- hole
- solder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses a USB connector, which comprises an insulation rubber core, a plurality of electrically-conductive terminals which are arranged on the insulation rubber core and a metal shell which wraps the insulation rubber core, wherein the electrically-conductive terminals are connected with a PCB board, the metal shell is provided with a grounding pin which passes through a through hole of the PCB board and is welded on a welding disc of a welding surface of the PCB board, and the position of the grounding pin, which is arranged on the welding disc of the welding surface of the PCB board, is provided with a through hole. The utility model also discloses an electronic device having the USB connector, which is applicable to the electronic device having the USB connector.
Description
Technical field
The utility model relates to technical field of electric connectors, particularly a kind of USB connector and the electronic equipment with this USB connector.
Background technology
USB connector is used very wide in data card and USB flash disk, owing in data card and USB flash disk use, need frequent plug, so the Joint Strength and the reliability of USB connector all had very high requirement.General USB connector generally has six pins at present: wherein four is the function pin, is used for transmission signals or data; Two other is a grounding pin, is used to make the USB connector earthing of casing, and an important function is to strengthen the weld strength of USB connector in addition.In USB connector plug process, these two solder joints have also become the main stress point of plug stress.Can learn that from the USB connector failure analysis that the client returns grounding pin is main stress point, so majority all is the solder joint generation crackle of grounding pin in the inefficacy sample.Therefore, the key of improving the integrity problem of USB connector is the Joint Strength that how to strengthen USB connector.
In the prior art, for Joint Strength and the reliability that guarantees USB connector, usually carrying out SMT (Surface Mounted Technology, surface mounting technology) after, carrying out craft at the solder joint place of USB connector adds tin or adds glue, to improve the intensity of solder joint, guarantee the reliability of USB connector.
As seen from the above, for this USB connector, its bonding strength depends on Joint Strength mostly, in the process that the user uses, if occur to use careless situation (as inserting partially, drop or bump etc.), then cause this USB connector loosening easily, the reliability of this USB connector is lower.
The utility model content
The electronic equipment that the utility model embodiment provides a kind of USB connector and has this USB connector is in order to improve the reliability of USB connector.
The technical scheme that the utility model embodiment adopts is:
A kind of USB connector, comprise: the insulating cement core, be located at a plurality of conducting terminals of this insulating cement core and the metal shell that coats this insulating cement core, this conducting terminal is connected with pcb board, this metal shell is provided with grounding pin, this grounding pin passes the via hole of this pcb board, and is welded in the pad of this pcb board solder side, wherein, at this grounding pin, the position that is positioned at the pad of this pcb board solder side offers through hole.
A kind of electronic equipment with this USB connector, comprise: USB connector and pcb board, this USB connector comprises the insulating cement core, is located at a plurality of conducting terminals of this insulating cement core and the metal shell that coats this insulating cement core, this pcb board of this conducting terminal connects, and this metal shell is provided with grounding pin, and this grounding pin passes the via hole of pcb board, and be welded in the pad of this pcb board solder side, wherein, at this grounding pin, the position that is positioned at this pcb board solder side pad offers through hole.
As seen from the above, USB connector and electronic equipment with this USB connector, on the grounding pin of this USB connector metal shell, the position that is positioned at pcb board solder side pad offers through hole, when carrying out reflow soldering, solder after the fusion passes described through hole, and the cooling back forms one or more solder bars that are similar to rivet-like on grounding pin, can increase the tin amount of eating of grounding pin, thereby increased the Joint Strength of grounding pin, improved the reliability of this USB connector.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The perspective view of the USB connector that Fig. 1 provides for the utility model embodiment;
Fig. 2 cooperates perspective view for the conducting terminal of the USB connector that the utility model embodiment provides with the welding of pcb board;
Fig. 3 cooperates perspective view for the metal shell of the USB connector that the utility model embodiment provides with the welding of pcb board;
Fig. 4, Fig. 5 cooperate schematic cross-section for the ground pin of the USB connector metal shell that the utility model embodiment provides with the pcb board welding;
Fig. 6 welds the solder bar structural representation that the back forms for the ground pin and the pcb board of the USB connector metal shell that the utility model embodiment provides.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making all other embodiment that obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
For the advantage that makes technical solutions of the utility model is clearer, the utility model is elaborated below in conjunction with drawings and Examples.
The utility model embodiment provides a kind of USB connector, and as shown in Figure 1 and Figure 2, described USB connector comprises:
Insulating cement core 10, the metal shell 30 of being located at a plurality of conducting terminals 20 on the described insulating cement core 10 and coating described insulating cement core 10, described conducting terminal 20 is fixedlyed connected with pcb board 40, one end of described each conducting terminal 20 stretches out described insulating cement core 10 and is welded in described pcb board 40, described metal shell 30 is provided with grounding pin 301, described grounding pin 301 passes the via hole on the described pcb board 40, and be welded in the pad of described pcb board 40 solders side, wherein, at described grounding pin 301, the position that is positioned at described pcb board 40 solder side pads is provided with through hole 302.
As seen from the above, on the grounding pin of this USB connector metal shell, the position that is positioned at pcb board solder side pad offers through hole, when carrying out reflow soldering, solder after the fusion passes described through hole, the cooling back forms one or more solder bars that are similar to rivet-like on grounding pin, simultaneously can also increase the tin amount of eating of grounding pin, thereby increase the Joint Strength of grounding pin, improve the reliability of this USB connector.
Wherein, described each conducting terminal 20 is inserted on the described insulating cement core 10 side by side, and described each conducting terminal 20 all exposes described insulating cement core 10 surfaces, so that described USB connector can be electrically connected by described conducting terminal 20 after pegging graft with the USB interface (as the computer USB interface) of external equipment.
In the present embodiment, the number of described conducting terminal 20 is 4, and as the function pin, described each conducting terminal 20 is used for transmission signals or data.
Wherein, described grounding pin 301 can be structure as a whole with described metal shell 30, is used to make described metal shell 30 ground connection; The number of described grounding pin 301 can be 2.
In the present embodiment, described each through hole 302 is circle, and certainly, the shape of described through hole 302 is not limited thereto, and also can be other arbitrary shape such as square, oval, irregularly shaped; The number of through hole 302 can be 1 on described each grounding pin 301, and certainly, the quantity of through hole 302 is not limited thereto on described each grounding pin 301, also can be other any amount; The size of described each through hole 303 is not limit, with the solder of allowing fusion by being advisable.
As Fig. 3, Fig. 4, Fig. 5, shown in Figure 6, described grounding pin 301 can vertically pass the via hole on the described pcb board 40, and is welded in the pad of described pcb board 40 solders side.When carrying out reflow soldering, solder 50 after the fusion passes the via hole on the described pcb board 40 and flows down along described grounding pin 301, owing to offer through hole 302 on the described grounding pin 301, therefore, when the solder after the fusion 50 when described grounding pin 301 flows down, will pass the through hole 302 on the described grounding pin 301, thereby increase the tin amount of eating of grounding pin, improve the Joint Strength of grounding pin; Solder 50 cooling backs after the fusion form one or more solder bars 501 that are similar to rivet-like on described grounding pin 301, described grounding pin 301 welds together by the solder bar 501 of described rivet-like and the pad on the pcb board 40, can further improve the Joint Strength of grounding pin 301, thereby improve the reliability of USB connector.
The utility model embodiment USB connector, on the grounding pin of described USB connector metal shell, the position that is positioned at pcb board solder side pad offers through hole, when carrying out reflow soldering, solder after the fusion passes described through hole, the cooling back forms one or more solder bars that are similar to rivet-like on grounding pin, simultaneously can also increase the tin amount of eating of grounding pin, thereby increase the Joint Strength of grounding pin, improve the Joint Strength and the reliability of USB connector.
The utility model embodiment also provides a kind of electronic equipment with above-mentioned USB connector, described electronic equipment comprises: USB connector and pcb board, described USB connector comprises the insulating cement core, the metal shell of being located at a plurality of conducting terminals on the described insulating cement core and coating described insulating cement core, described conducting terminal is connected with pcb board, wherein, described metal shell is provided with grounding pin, described grounding pin passes the via hole of pcb board, and be welded in the pad of described pcb board solder side, wherein, at described grounding pin, the position that is positioned at the pad of described pcb board solder side offers through hole.
The specific structural features of the USB connector of described electronic equipment and implementation can no longer be set forth at this referring to the specific embodiment of above-mentioned USB connector.
Wherein, described electronic equipment can be USB flash disk or data card, and certainly, described electronic equipment is not limited thereto, and also can have the connection device of above-mentioned USB connector for other.
The utility model embodiment has the electronic equipment of above-mentioned USB connector, on the grounding pin of described USB connector metal shell, the position that is positioned at pcb board solder side pad offers through hole, when carrying out reflow soldering, solder after the fusion passes described through hole, the cooling back forms one or more solder bars that are similar to rivet-like on grounding pin, can also increase simultaneously the tin amount of eating of grounding pin, thereby increased the Joint Strength of grounding pin, improved the Joint Strength and the reliability of USB connector.
The above; it only is embodiment of the present utility model; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range of claim.
Claims (9)
1. USB connector, comprise: the insulating cement core, be located at a plurality of conducting terminals of described insulating cement core and the metal shell that coats described insulating cement core, described conducting terminal is connected with pcb board, it is characterized in that described metal shell is provided with grounding pin, described grounding pin passes the via hole of described pcb board, and be welded in the pad of described pcb board solder side, wherein, at described grounding pin, the position that is positioned at the pad of described pcb board solder side offers through hole.
2. USB connector according to claim 1 is characterized in that, described each conducting terminal is inserted in described insulating cement core side by side, and described each conducting terminal all exposes described insulating cement wicking surface.
3. USB connector according to claim 1 is characterized in that solder passes described through hole, and forms the solder bar at described grounding pin, increases the tin amount of eating of described grounding pin.
4. USB connector according to claim 1 is characterized in that, described grounding pin and described metal shell are structure as a whole.
5. USB connector according to claim 4 is characterized in that, the number of described grounding pin is 2.
6. USB connector according to claim 1 is characterized in that, the number of described through hole is at least one.
7. electronic equipment with this USB connector, comprise: USB connector and pcb board, described USB connector comprises the insulating cement core, is located at a plurality of conducting terminals of described insulating cement core and the metal shell that coats described insulating cement core, described conducting terminal is connected with described pcb board, it is characterized in that, described metal shell is provided with grounding pin, described grounding pin passes the via hole of described pcb board, and be welded in the pad of described pcb board solder side, wherein, at described grounding pin, the position that is positioned at described pcb board solder side pad offers through hole.
8. electronic equipment according to claim 7 is characterized in that solder passes described through hole, and forms the solder bar at described grounding pin, increases the tin amount of eating of described grounding pin.
9. electronic equipment according to claim 7 is characterized in that, described electronic equipment is USB flash disk or data card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201715256U CN201440485U (en) | 2009-08-21 | 2009-08-21 | USB connector and electronic device having same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201715256U CN201440485U (en) | 2009-08-21 | 2009-08-21 | USB connector and electronic device having same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201440485U true CN201440485U (en) | 2010-04-21 |
Family
ID=42545146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201715256U Expired - Lifetime CN201440485U (en) | 2009-08-21 | 2009-08-21 | USB connector and electronic device having same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201440485U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102496804A (en) * | 2011-11-22 | 2012-06-13 | 华为终端有限公司 | USB (universal serial bus) connector and electronic equipment |
| CN108959002A (en) * | 2018-06-26 | 2018-12-07 | Oppo（重庆）智能科技有限公司 | insertion detection circuit, insertion detection method and electronic device |
-
2009
- 2009-08-21 CN CN2009201715256U patent/CN201440485U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102496804A (en) * | 2011-11-22 | 2012-06-13 | 华为终端有限公司 | USB (universal serial bus) connector and electronic equipment |
| US9130297B2 (en) | 2011-11-22 | 2015-09-08 | Huawei Device Co., Ltd. | USB connector and electronic device |
| CN108959002A (en) * | 2018-06-26 | 2018-12-07 | Oppo（重庆）智能科技有限公司 | insertion detection circuit, insertion detection method and electronic device |
| CN108959002B (en) * | 2018-06-26 | 2021-07-13 | Oppo（重庆）智能科技有限公司 | Insertion detection circuit, insertion detection method, and electronic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HUAWEI DEVICE CO., LTD. Free format text: FORMER NAME: SHENZHEN HUAWEI TECHNOLOGY CO. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 518129 Longgang District, Guangdong, Bantian HUAWEI base B District, building 2, building No. Patentee after: HUAWEI DEVICE Co.,Ltd. Address before: 518129 Longgang District, Guangdong, Bantian HUAWEI base B District, building 2, building No. Patentee before: Huawei Device Co.,Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20180426 Address after: California, USA Patentee after: Global innovation polymerization LLC Address before: London, England Patentee before: GW partnership Co.,Ltd. Effective date of registration: 20180426 Address after: London, England Patentee after: GW partnership Co.,Ltd. Address before: 518129 Building 2, B District, Bantian HUAWEI base, Longgang District, Shenzhen, Guangdong. Patentee before: HUAWEI DEVICE Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100421 |
|
| CX01 | Expiry of patent term |