BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention generally relates to an electrical connector for being mounted on a Printed Circuit Board (PCB) and more particularly to an electrical connector with improved terminals arrangement.
2. Description of Related Art
A conventional electrical connector for being mounted on a PCB usually comprises an insulative housing, a plurality of terminals retained therein, and a shell shielding the insulative housing. The terminals are arranged in two rows and comprise contacting portions, retaining portions extending from the contacting portions and retained in the insulative housing, and mounting portions extending from the retaining portions for being mounted on the PCB.
However, A distance between the two rows of the mounting portions and a distance between each two adjacent mounting portions in each row of the mounting portions are very short, and with the increased number of the terminals, the distance between each two adjacent mounting portions in each row will be much shorter. There will have few place for the soldering tin solder the mounting portions on the PCB, and a solder bridge will occur and join the mounting portions together to form a short circuit easily.
Hence, an improvement over the prior art is required to overcome the problems thereof.
SUMMARY OF THE INVENTION
According to one aspect of the present invention, an electrical connector comprises an insulative housing defining a main body and a tongue plate extending from the main body, and a plurality of terminals retained in the insulative housing and being arranged in two rows. Each terminal comprises a contacting portion extending into the tongue plate, a retaining portion retained in the main body, a bending portion extending from the retaining portion, and a tail portion extending from the bending portion and comprising a mounting portion for being mounted on a PCB. The bending portions in each one of the two rows bending oppositely to the other row from the respective retaining portions. A distance between the two rows of the mounting portions is greater than a distance between the two rows of the contacting portions. A distance between each two adjacent mounting portions in each row is greater than a distance between the two respective contacting portions.
According to another aspect of the present invention, an electrical connector for being mounted on a PCB in a vertical direction comprises an insulative housing defining a main body and a tongue plate extending upwardly from the main body, and a plurality of terminals comprising contacting portions arranged in two rows with respect to a front-to-rear direction and retained in the tongue plate, retaining portions extending from lower ends of the respective contacting portions, and mounting portions extending downwardly for being mounted on the PCB and arranged in two rows with respect to the front-to-rear direction. A distance between the two rows of the mounting portions is greater than a distance between the two rows of the contacting portions. A distance between each two adjacent mounting portions in each row is greater than a distance between the two respective contacting portions. A shell shielding the insulative housing.
These and additional objects, features, and advantages of the present invention will become apparent after reading the following detailed description of the preferred embodiment of the invention taken in conjunction with the appended drawings.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a perspective view of an electrical connector according to an embodiment of the present invention;
FIG. 2 is an exploded view of the electrical connector shown in FIG. 1;
FIG. 3 is an another exploded view of the electrical connector shown in FIG. 1; and
FIG. 4 is a side view of terminals of the electrical connector shown in FIG. 2;
FIG. 5 is a front view of the terminals of the electrical connector shown in FIG. 2; and
FIG. 6 is an exploded view of an electrical connector according to an another embodiment of the present invention;
FIG. 7 is a side view of terminals of the electrical connector shown in FIG. 6;
FIG. 8 is a front view of the terminals of the electrical connector shown in FIG. 6;
FIG. 9 is a top view of the terminals of the electrical connector shown in FIG. 6.
DETAILED DESCRIPTION OF THE INVENTION
Reference will now be made to the drawing figures to describe the preferred embodiment of the present invention in detail.
Referring to FIGS. 1-3, an electrical connector 100 according to an embodiment for being mounted on a Printed Circuit Board (PCB) in a vertical direction includes an insulative housing 1, a number of terminals 2 coupled to the insulative housing 1, a spacer 3 for retaining the terminals 2, and a shell 4 for covering the insulative housing 1 and formed a chamber 101 for receiving a plug (not shown).
Referring to FIGS. 1-2, the insulative housing 1 includes a rectangular main body 10, a tongue plate 11 extending upwardly into the chamber 101 from the main body 10. The main body 10 defines a upper surface 102, a lower surface 103 opposite to the upper surface 102, and a receiving slot 1030 recessed upwardly from the lower surface 103. the tongue plate 11 includes a vertical portion 110 extending along a vertical direction and a pair of stopping portions 113 extending forwardly from two lateral sides of the vertical portion 110. The stopping portions 113 can mating with the plug so as to prevent the plug from mismating. The vertical portion 110 defines a front face 111 and a rear face 112 opposite to the front face 111. The insulative housing 1 defines a number of passageways 104 arranged on the front and rear face 111, 112 and passing through the main body 10 in the vertical direction.
Referring to FIGS. 4 and 5, the terminals 2 which are received in the passageways 104 are stamped and formed of conductive sheet metal materials, and are presented as planar shape. The terminals 2 are arranged in two rows with respect to a front-to-rear direction. Each terminal 2 includes an upper portion 20 and a lower portion 21 extending downwardly from the upper portion 20. The upper portion 20 includes a contacting portion 201 received in the corresponding passageway 104 in the tongue plate 11 and exposed into the chamber 101, and a retaining portion 202 retained in the respective passageway 104 in the main body 10. The retaining portion 202 has a set of agnails 2020 protruding from two lateral sides thereof for interfering with the main body 10. Therefore, the retaining portion 202 could be retained in the passageway 104 firmly. The lower portion 21 includes a bending portion 22 extending from a lower end of the retaining portion 202 and a tail portion 23 extending downwardly from the bending portion 22. Each tail portion 23 includes an oblique portion 230 extending downwardly from the bending portion 22 and a mounting portion 231 extending downwardly from the oblique portion 230 for being mounted on the PCB. The bending portions 22 in the front row bend forwardly from the lower ends of the respective retaining portions 202, and the bending portions 22 in the rear row bend backwardly from the lower ends of the respective retaining portions 202. Because the tail portions 23 extend downwardly from the bending portions 22 and are arranged in two rows with respect to the front-to-rear direction, a distance between the two rows of the mounting portions 231 is greater than a distance between two rows in which the contacting portions 201 are arranged. In each row of the terminals 2, the oblique portions 230 are bent and extend obliquely downwardly at different angles toward two lateral sides of the insulative housing 1, and the oblique portions 230 being closer to the two lateral sides of the insulative housing 1, the bigger angle benting toward two lateral sides of the insulative housing 1. Because the mounting portions 231 extending vertically downwardly from the lower ends of the respective oblique portions 230, a distance between each two adjacent mounting portions 231 in each row of the terminals 2 is greater than a distance between the two respective contacting portions 201. Therefore, the greater distance between the two rows of the mounting portions 231 and the greater distances between the each two adjacent mounting portions 231 in each row of the terminals will offer more spaces for soldering the soldering tin onto the mounting portions 231 and the PCB more easily.
Furthermore, because the bending portions 22 in each row of the terminals 2 are coplanar in a plane and intersect a plane in which the contacting portions 201 and the retaining portions 202 are coplanar, the oblique portions 230 which extend from the bending portions 22 and the mounting portions 231 which extend vertically downwardly from the oblique portions 230 in each row are coplanar in a plane and parallel to the plane in which the contacting portions 201 and the retaining portions 202 are coplanar with respect to the front-to-rear direction, a lower end of the retaining portion 202 under the agnails 2020 will be clasped and fitted into the respective passageway 104 of the main body 10 by a tool easily.
Referring to FIGS. 2 and 3, the spacer 3 are received in the receiving slot 1030 to be retained in the insulative housing 1. The spacer 3 defines an upper surface 31 and a lower surface 32 opposite to the upper surface 31. The spacer 3 includes a pair of grooves 310 recessed from the upper surface 31 for receiving the oblique portions 230 and a number of through holes 311 for the mounting portions 231 passing through.
Referring to FIGS. 1-5, the shell 4 covers the insulative housing 1 and includes a front wall 42, a rear wall 41 opposite to the front wall 42, a pair of side walls 43, 44, and a inclined wall 45 connecting the front wall 42 and one of the side walls 43, 44. the inclined wall 45 can mate with the plug so as to prevent the plug from mismating. A number of clips 46 are formed on the front wall 42, rear wall 41, and the side walls 43, 44. Each of the side walls 43, 44 has a leg 47 extending downwardly from a lower end thereof to be retained in the PCB.
Referring to FIGS. 6-9, an electrical connector 100′ according to an another embodiment of the present invention, the bending portions 22′ in each row of the terminals 2′ are bent and extend obliquely downwardly at different angles toward two lateral sides of the insulative housing 1′ to form the oblique portions 230′. The mounting portions 231′ extending vertically downwardly from the respective bending portions 22′ to form the tail portions 23′. Therefore, the distance between the each two adjacent mounting portions 231′ in each row of the terminals 2′ can be increased too. Furthermore, the bending portions 22′ in each row of the terminals 2′ are coplanar in a plane and intersect a plane in which the retaining portions 202′ are coplanar, the mounting portions 231′ which extend vertically downwardly from the bending portions 22′ in each row are coplanar in a plane and parallel to the plane in which the retaining portions 202′ are coplanar with respect to the front-to-rear direction, the lower end of the retaining portion 202′ under the agnails 2020′ will be clasped and fitted into the respective passageway 104′ by a tool easily too.
It is to be understood, however, that even though numerous characteristics and advantages of the present invention have been set forth in the foregoing description, together with details of the structure and function of the invention, the disclosure is illustrative only, and changes may be made in detail, especially in matters of shape, size, and arrangement of parts within the principles of the invention to the full extent indicated by the broad general meaning of the terms in which the appended claims are expressed.
Patent Grant
8333614
