CN211126155U - USB connector - Google Patents
USB connector Download PDFInfo
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- CN211126155U CN211126155U CN201922206977.XU CN201922206977U CN211126155U CN 211126155 U CN211126155 U CN 211126155U CN 201922206977 U CN201922206977 U CN 201922206977U CN 211126155 U CN211126155 U CN 211126155U
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- negative
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Abstract
The utility model provides a USB connector, include an insulator, an integrated circuit chip, a negative terminal, a signal terminal and at least a transmission terminal, the insulator includes a contact end, a fixing end and a recess, the contact end is relative to the fixing end, the recess sets up in the top of fixing end; the negative terminal, the signal terminal and the transmission terminal comprise a terminal body which is injected into the insulating body, the transmission terminal is arranged between the negative terminal and the signal terminal, the negative terminal and the signal terminal comprise welding parts which are arranged on one side of the terminal body and are higher than all the terminal body, and the welding parts are exposed out of the grooves and are directly connected with the integrated circuit chip, so that the process of welding a circuit board is saved.
Description
Technical Field
The utility model relates to a USB connector, especially a USB connector of cost-effective simplification processing procedure is practiced thrift to a section.
Background
As smart phones carry more and more important functions, current surveys indicate that most people are anxious about the power-off or low-battery condition of the phones. The aim that enterprises are eagerly to achieve is to achieve by relieving the anxiety of modern people while considering the lightness and thinness of the mobile phone and realizing the quick charging of the mobile phone.
In order to achieve the effect of fast charging, an Integrated Circuit Chip (IC) for identifying each device and a resistor are provided in the USB connector for charging. Referring to fig. 10, the conventional integrated circuit chip 20 ' and the resistor 21 ' are disposed on a circuit board 70 by a chip-on-board process, and the USB connector 100b is connected to the integrated circuit chip 20 ' by soldering each terminal of the USB connector to the circuit board 70. The integrated circuit chip can realize the effect of quickly charging the mobile phone for the successfully identified equipment through identifying each equipment, and the mobile phone can be normally charged for the equipment which is not successfully identified.
However, the known USB connector includes a circuit board therein, thereby increasing the volume occupied by the USB connector; in addition, in the process of soldering the circuit board to the USB connector, the risk of disconnection between the terminal and the circuit board pad due to mechanical stress is often caused, which results in relatively high cost and relatively complicated process.
Therefore, it is particularly important to design a USB connector that is cost effective and simplifies the manufacturing process.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art not enough, provide a USB connector of effective cost-effective simplified manufacturing procedure.
To achieve the above object, the present invention provides a USB connector, comprising an insulating body, the insulating body comprising a contact end disposed at one end of the insulating body, a holding end disposed at the other end of the insulating body, the holding end being opposite to the contact end, and a groove disposed above the holding end; the negative terminal comprises a negative terminal body which is coated in the insulating body and a negative welding part which is arranged on one side of the negative terminal body; the signal terminal comprises a signal terminal body which is wrapped in the insulating body and a signal welding part which is arranged on one side of the signal terminal body; at least one transmission terminal for transmitting data, wherein the transmission terminal is arranged between the negative terminal and the signal terminal and comprises a transmission terminal body which is coated in the insulation body, the signal terminal and the negative terminal are oppositely arranged, so that the signal welding part is adjacent to the negative welding part, and the signal welding part and the negative welding part are positioned on the same horizontal plane, are higher than the transmission terminal body and are exposed out of the groove; and the integrated circuit chip is accommodated in the groove, is directly welded and combined with the signal welding part and the negative electrode welding part and is not contacted with the transmission terminal body.
In another preferred embodiment, the negative electrode welding portion includes an extending section extending upward from the negative electrode terminal body, a U-shaped connecting section connected to the extending section, and two welding sections, the welding sections are respectively disposed on two parallel sides of the U-shaped connecting section, and are parallel to the negative electrode terminal body, and the U-shaped connecting section is exposed out of the groove.
In another preferred embodiment, the negative electrode welding portion includes a first extending section extending upward from the negative electrode terminal body, and a first welding section parallel to the negative electrode terminal body, and the first welding section is exposed to the groove.
In another preferred embodiment, the signal soldering portion includes a second extending section extending upward from the signal terminal body and a second soldering section parallel to the signal terminal body, and the second soldering section is exposed to the groove.
In another preferred embodiment, the USB connector comprises an insulative housing, the insulative housing comprising a contact end disposed at one end of the insulative housing, a holding end disposed at the other end of the insulative housing, the holding end being opposite to the contact end, and a recess disposed above the holding end; the negative terminal is connected with a power ground wire and is injected into the insulating body, the negative terminal comprises a negative welding part, and the negative welding part is exposed out of the groove; the signal terminals are used for detecting different devices, the signal terminals are injected into the insulating body, the negative terminal also comprises a signal welding part, and the signal welding part is exposed out of the groove; at least one transmission terminal for transmitting data, wherein the transmission terminal is arranged between the negative terminal and the signal terminal and comprises a transmission terminal body which is coated in the insulation body and a transmission connection part which is arranged at one end of the transmission terminal body and is exposed out of the fixing part, and the transmission connection part, the negative welding part and the signal welding part are positioned on the same horizontal plane and are higher than the transmission terminal body; and the integrated circuit chip is accommodated in the groove, the integrated circuit chip is directly welded and combined with the signal welding part and the negative electrode welding part, and the transmission terminal body is not contacted with the integrated circuit chip.
In another preferred embodiment, the transmission terminal includes a transmission contact portion extending from one end of the transmission terminal body and exposed from the contact end, and the transmission contact portion and the transmission connection portion are located on the same horizontal plane and higher than the transmission terminal body, so that the transmission terminal is in a concave structure.
In another preferred embodiment, the negative terminal includes a negative terminal body and a negative connecting portion disposed at one end of the negative terminal body and exposed from the holding end, and the negative welding portion is close to the negative connecting portion and is on the same horizontal plane as the negative connecting portion.
In another preferred embodiment, the signal terminal includes a signal terminal body and a signal connection portion disposed at one end of the signal terminal body and exposed from the holding end, and the signal soldering portion is close to the signal connection portion and is on the same horizontal plane as the signal connection portion.
Drawings
Fig. 1 is an exploded view of the USB connector of the present invention.
Fig. 2 is an exploded view of the negative terminal, the signal terminal and the ic chip of the USB connector according to the present invention.
Fig. 3 is a perspective view of the negative terminal integrally formed in the USB connector of the present invention.
Fig. 4 is a perspective view of a negative terminal in a USB connector according to another embodiment of the present invention.
Fig. 5 is a perspective view of another embodiment of the negative terminal of the USB connector according to the present invention.
Fig. 6 is a perspective view of the connection of the negative terminal, the signal terminal and the integrated circuit chip in the USB connector according to another embodiment of the present invention.
Fig. 7 is a perspective view of a transmission terminal in the USB connector according to the present invention.
Fig. 8 is a cross-sectional view of the negative terminal, the signal terminal and the transmission terminal in the USB connector according to the present invention.
Fig. 9 is a perspective view of the connection of the negative terminal, the signal terminal and the integrated circuit chip in the USB connector according to another embodiment of the present invention.
Fig. 10 is a perspective view of a known USB connector with a circuit board.
Reference numerals for the respective components in the drawings are explained below.
Contact end 11 holding end 12
Recess 13 integrated circuit chip 20
Negative electrode contact portion 30b and negative electrode connecting portion 30c
Extended section 31a of negative electrode welded part 31
U-shaped connecting section 31b welding section 31c
Signal terminal body 50a signal contact portion 50b
The transmission contact portion 60b and the transmission coupling portion 60c
Detailed Description
For the purpose of illustrating the technical content, the structural features, the achieved objects and the effects of the present invention in detail, the following detailed description is given in conjunction with the accompanying drawings.
Referring to fig. 1, the USB connector 100 of the present invention includes an insulating body 10, an Integrated Circuit Chip (IC) 20, a negative terminal 30, a positive terminal 40, a signal terminal 50, and at least two transmission terminals 60.
Referring to fig. 1 and fig. 2, the insulating housing 10 includes a contact end 11 disposed at one end of the insulating housing 10, and a holding end 12 disposed at the other end of the insulating housing 10, wherein the holding end 12 is opposite to the contact end 11; and a groove 13 disposed above the holding end 12. The groove 13 is used for accommodating the integrated circuit chip 20 in a matching manner, and the groove 13 is recessed downwards from the surface of the insulating body 10, so that the integrated circuit chip 20 is accommodated in the groove 13. The ic chip 20 includes an ic chip body 21, a first pin 22 having a communication function and identifying each device and connected to the signal terminal 50, a second pin 23 serving as a ground and connected to a negative electrode of the device, and a third pin 24 serving as a ground and connected to a negative electrode of the device. The first lead 22 and the second lead 23 are respectively disposed on the same side of the integrated circuit chip body 20, and the third lead 24 is disposed on a side opposite to the first lead 22.
Referring to fig. 1 again, the negative terminal 30 and the positive terminal 40 are respectively wrapped on two sides of the insulating body 10, the negative terminal 30 is a ground line, the positive terminal 40 is a power line of the USB connector 100, and the USB connector 100 forms a circuit through the negative terminal 30 and the positive terminal 40. The transmission terminal 60 is disposed between the negative terminal 30 and the positive terminal 40, and the transmission terminals 60 are a first transmission terminal 61 and a second transmission terminal 62, respectively, wherein the first transmission terminal 61 is a negative electrode for transmitting data and is adjacent to the positive terminal 40, and the second transmission terminal 62 is a positive electrode for transmitting data and is adjacent to the negative terminal 30. The signal terminal 50 is disposed between the first transmission terminal 61 and the second transmission terminal 62, and is configured to detect different devices.
Referring to fig. 1 to 3, the groove 13 is disposed at a side close to the negative terminal 30, so that the negative terminal 30 and the signal terminal 50 are respectively welded to the ic chip 20. Furthermore, the present invention adopts the increase of the height difference between the integrated circuit chip 20 and the second transmission terminal 62 to avoid the second transmission terminal 62 mistakenly contacting the integrated circuit chip 20, thereby affecting the function of the integrated circuit chip 20. The structures for increasing the height difference between the integrated circuit chip 20 and the second transmission terminal 62 are as follows:
in the first preferred embodiment, the negative terminal 30 includes a negative terminal body 30a, a negative contact portion 30b disposed at one end of the negative terminal body 30a and exposed from the contact end 11, a negative connection portion 30c disposed at the other end of the negative terminal body 30a and exposed from the holding end 12, and a negative welding portion 31 disposed at one side of the negative terminal body 30 a. The signal terminal 50 includes a signal terminal body 50a, a signal contact portion 50b disposed at one end of the signal terminal body 50a and exposed to the contact end 11, a signal connection portion 50c disposed at the other end of the signal terminal body 50a and exposed to the holding end 12, and a signal soldering portion 51 disposed at one side of the signal terminal body 50 a.
The negative electrode terminal 30 is disposed opposite to the signal terminal 50 such that the negative electrode soldering portion 31 is adjacent to the signal soldering portion 51. The negative electrode welding portion 31 includes an extending portion 31a extending upward from the negative electrode terminal body 30a, a U-shaped connecting portion 31b connected to the extending portion 31a, and two welding portions 31c, wherein the welding portions 31c are respectively disposed on two parallel sides of the U-shaped connecting portion 31 b. Specifically, the higher end of the extending section 31a is connected to the welding section 31c at one end of the U-shaped connecting section 31b, so that the opening of the U-shaped connecting section 31b faces the negative terminal body 30a, the U-shaped connecting section 31b is higher than the negative terminal body 30a, the welding section 31c is parallel to the negative terminal body 30a, and the U-shaped connecting section 31b and the welding section 31c are located on the same horizontal plane and higher than the negative terminal body 30 a. And the U-shaped connection section 31c is exposed out of the groove 13, so as to facilitate the connection between the second pin 21b and the third pin 21c in the integrated circuit chip 20 and the soldering section 31c, respectively. The signal soldering portion 51 is also exposed out of the groove 13, and the signal soldering portion 51 includes a second extending section 51a extending upward from the signal terminal body 50a and a second soldering section 51b parallel to the signal terminal body 50 a. One end of the second welding section 51b is connected to the higher end of the second extending section 51a, so that the second welding section 51b, the U-shaped connecting section 31b and the welding section 31c are located on the same horizontal plane and higher than the signal terminal body 50 a. And the second soldering section 51b is connected with the first pin 21 a.
The negative electrode terminal body 30a and the signal terminal body 50a respectively extend upwards through the negative electrode welding part 31 and the signal welding part 51 so as to raise the distance from the negative electrode welding part 31 and the signal welding part 51 to the transmission terminal body 60a, thereby preventing the negative electrode welding part 31 and the signal welding part 51 from contacting the transmission terminal body 60a when being respectively welded and jointed with the integrated circuit chip 20, and further preventing the function of the integrated circuit chip 20 from being influenced.
Referring to fig. 3, in order to ensure that the U-shaped connecting segments 31b are located on the same horizontal plane, the ic chip 20 is prevented from contacting the second transmission terminal 62. In the second preferred embodiment of fig. 4, the negative electrode welding part 31 is separately and integrally formed and is further welded and combined with the negative electrode terminal 30. In the present embodiment, the negative terminal 30 includes a negative terminal body 30a, a negative contact portion 30b disposed at one end of the negative terminal body 30a and exposed from the contact end 11, a negative connection portion 30c disposed at the other end of the negative terminal body 30a and exposed from the holding end 12, and a welding region 30d, and the welding region 30d is disposed at a side of the negative terminal body 30a close to the negative connection portion 30 c. The negative electrode welding portion 31 includes an extending portion 31a extending upward, a U-shaped connecting portion 31b connected to the extending portion 31a, and two welding portions 31 c. The welding sections 31c are respectively disposed on two parallel sides of the U-shaped connecting section 31 b. Specifically, the higher end of the extending section 31a is connected to the welding section 31c at one end of the U-shaped connecting section 31b, so that the opening of the U-shaped connecting section 31b faces the negative terminal body 30a, the U-shaped connecting section 31b is higher than the negative terminal body 30a, and the welding section 31c is parallel to the negative terminal body 30a, so that the U-shaped connecting section 31b and the welding section 31c are located on the same horizontal plane and higher than the negative terminal body 30 a. By welding the lower end of the extension 31a to the bonding pad 30d, the U-shaped connection segment 31b is always located on the same horizontal plane, thereby preventing the ic chip 20 from contacting the second transmission terminal 62 when being connected to the negative electrode bonding portion 31 and the signal bonding portion 51.
Referring to fig. 1, 5 and 6, in order to further simplify the structure of the negative terminal 30, in a third preferred embodiment, the first pin 21a and the second pin 21b are communication functions, and identify that each device needs to be connected to the signal terminal 50; and the third pin 21c is a ground line and needs to be connected with the negative electrode of the device. The negative terminal 30 includes a negative terminal body 30a, a negative contact portion 30b disposed at one end of the negative terminal body 30a and exposed to the contact end 11, a negative connection end 30c disposed at the other end of the negative terminal body 30a and exposed to the holding end 12, and a welding portion 31 disposed at one side of the negative terminal body 30 a. The welding portion 31 is exposed out of the groove 13, and the welding portion 31 includes a first extending section 31e extending upward from the negative terminal body 30a and a first welding section 31f parallel to the negative terminal body 30 a. One end of the first welding section 31f is connected to the higher end of the first extension section 31e, so that the first welding section 31f is higher than the negative terminal body 30 a. When the first bonding segment 31f is connected to the third pin 21c by raising the distance from the first bonding segment 31f to the transmission terminal body 60a through the first extension segment 31e, and the first pin 21a and the second pin 21b are connected to the second bonding segment 51b, the first bonding segment 31c and the second bonding segment 51b are raised by the distance from the integrated circuit chip 20 to the second transmission terminal 62, respectively, so as to avoid contact with the integrated circuit chip 20 and the second transmission terminal 62.
Referring to fig. 7 to 9, to further simplify the structure of the negative terminal 30 and the signal terminal 50, in a fourth preferred embodiment, the negative terminal 30 includes a negative terminal body 30a, a negative contact portion 30b disposed at one end of the negative terminal body 30a and exposed to the contact end 11, a negative connection portion 30c disposed at the other end of the negative terminal body 30a and exposed to the holding end 12, and a negative welding portion 31, and the negative welding portion 31 is close to the negative connection portion 30c and is on the same horizontal plane as the negative connection portion 30 c. The signal terminal 50 includes a signal terminal body 50a, a signal contact portion 50b disposed at one end of the signal terminal body 50a and exposed to the contact end 11, a signal connection portion 50c disposed at the other end of the signal terminal body 50a and exposed to the holding end 12, and a signal soldering portion 51, wherein the signal soldering portion 51 is close to the signal connection portion 50c and is on the same horizontal plane as the signal connection portion 50 c. The negative electrode welding portion 31 and the signal welding portion 51 are respectively exposed out of the groove 13. In this embodiment, the transmission terminal 60 includes a transmission terminal body 60a, a transmission contact portion 60b disposed at one end of the transmission terminal body 60a and exposed from the contact end 11, and a transmission connection portion 60c disposed at the other end of the transmission terminal body 60a and exposed from the holding end 12. Specifically, the transmission contact portion 60b and the transmission connection portion 60c extend upward from two ends of the transmission terminal body 60a and then extend horizontally outward, so that the transmission contact portion 60b and the transmission connection portion 60c are located on the same horizontal plane and are higher than the transmission terminal body 60a, and the transmission terminal 60 is in a concave structure. The negative electrode soldering portion 31 and the signal soldering portion 51 are also located on the same horizontal plane as the transmission connecting portion 60c and are higher than the transmission terminal body 60 a. The transmission terminal 60 is concave, so that the distance from the transmission terminal body 60a to the negative electrode soldering part 31 and the signal soldering part 51 is increased, and the influence on the functionality of the integrated circuit chip 20 due to the contact with the integrated circuit chip is avoided.
In summary, the pins of the integrated circuit chip 20 are directly and respectively welded to the negative electrode terminal 30 and the signal terminal 50 by raising the negative electrode welding part 31 and the signal welding part 51 to be higher than the transmission terminal 60 or by pulling the structure design of the transmission terminal body 60a to be lower than the negative electrode welding part 31 and the signal welding part 51, so as to avoid the contact with the transmission terminal 60 and influence on the functions of the integrated circuit chip 20, thereby saving the circuit board welding process and achieving the effects of effectively saving the cost and simplifying the process.
Claims (8)
1. A USB connector, comprising
The insulating body comprises a contact end arranged at one end of the insulating body, a fixing end arranged at the other end of the insulating body, and a groove arranged above the fixing end, wherein the fixing end is opposite to the contact end;
the negative terminal comprises a negative terminal body which is coated in the insulating body and a negative welding part which is arranged on one side of the negative terminal body;
the signal terminal comprises a signal terminal body which is wrapped in the insulating body and a signal welding part which is arranged on one side of the signal terminal body;
at least one transmission terminal for transmitting data, wherein the transmission terminal is arranged between the negative terminal and the signal terminal and comprises a transmission terminal body which is coated in the insulation body, the signal terminal and the negative terminal are oppositely arranged, so that the signal welding part is adjacent to the negative welding part, and the signal welding part and the negative welding part are positioned on the same horizontal plane, are higher than the transmission terminal body and are exposed out of the groove;
and the integrated circuit chip is accommodated in the groove, is directly welded and combined with the signal welding part and the negative electrode welding part and is not contacted with the transmission terminal body.
2. The USB connector according to claim 1, wherein the negative soldering portion comprises an extending portion extending upward from the negative terminal body, a U-shaped connecting portion connected to the extending portion, and two soldering portions, the soldering portions are respectively disposed on two parallel sides of the U-shaped connecting portion, and are parallel to the negative terminal body, and the U-shaped connecting portion is exposed to the groove.
3. The USB connector of claim 1, wherein the negative soldering portion includes a first extending portion extending upward from the negative terminal body, and a first soldering portion parallel to the negative terminal body, the first soldering portion being exposed to the groove.
4. The USB connector of claim 1, wherein the signal soldering portion includes a second extending portion extending upward from the signal terminal body and a second soldering portion parallel to the signal terminal body, the second soldering portion being exposed to the groove.
5. A USB connector, comprising
The insulating body comprises a contact end arranged at one end of the insulating body, a fixing end arranged at the other end of the insulating body, and a groove arranged above the fixing end, wherein the fixing end is opposite to the contact end;
the negative terminal is connected with a power ground wire and is injected into the insulating body, the negative terminal comprises a negative welding part, and the negative welding part is exposed out of the groove;
the signal terminals are used for detecting different devices, the signal terminals are injected into the insulating body, the negative terminal also comprises a signal welding part, and the signal welding part is exposed out of the groove;
at least one transmission terminal for transmitting data, wherein the transmission terminal is arranged between the negative terminal and the signal terminal and comprises a transmission terminal body which is coated in the insulation body and a transmission connection part which is arranged at one end of the transmission terminal body and is exposed out of the fixing part, and the transmission connection part, the negative welding part and the signal welding part are positioned on the same horizontal plane and are higher than the transmission terminal body;
and the integrated circuit chip is accommodated in the groove, the integrated circuit chip is directly welded and combined with the signal welding part and the negative electrode welding part, and the transmission terminal body is not contacted with the integrated circuit chip.
6. The USB connector according to claim 5, wherein the transmission terminal includes a transmission contact portion extending from one end of the transmission terminal body and exposed to the contact end, and the transmission contact portion and the transmission connection portion are located on a same horizontal plane and higher than the transmission terminal body, so that the transmission terminal is concave.
7. The USB connector according to claim 5, wherein the negative terminal comprises a negative terminal body and a negative connecting portion disposed at an end of the negative terminal body and exposed from the holding end, and the negative welding portion is adjacent to the negative connecting portion and is at the same level as the negative connecting portion.
8. The USB connector according to claim 5, wherein the signal terminal comprises a signal terminal body and a signal connecting portion disposed at one end of the signal terminal body and exposed from the holding end, and the signal soldering portion is adjacent to the signal connecting portion and is located on the same horizontal plane as the signal connecting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922206977.XU CN211126155U (en) | 2019-12-10 | 2019-12-10 | USB connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922206977.XU CN211126155U (en) | 2019-12-10 | 2019-12-10 | USB connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211126155U true CN211126155U (en) | 2020-07-28 |
Family
ID=71696762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922206977.XU Active CN211126155U (en) | 2019-12-10 | 2019-12-10 | USB connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211126155U (en) |
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2019
- 2019-12-10 CN CN201922206977.XU patent/CN211126155U/en active Active
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