CN209747761U - Plug connector with protection member capable of replacing golden finger of circuit board - Google Patents

Abstract

A plug connector with a protection member capable of replacing golden fingers of a circuit board comprises an insulating base body, a flat cable type terminal set, a circuit board, a handle and a protection member. The insulating base body is provided with a top wall, a bottom wall and a pair of side walls. The flat cable type terminal group has a flat cable; each flat cable has a plurality of conductors. The circuit board is provided with a contact section and a welding section, the width of the welding section is larger than that of the contact section, and a pair of stop grounding parts are respectively formed on two sides of the welding section. The circuit board is provided with a plurality of conducting pads positioned on the surface of the contact section and a plurality of welding pads positioned on the upper surface and the lower surface of the welding section, and the surfaces of the pair of stopping grounding parts are respectively provided with a grounding pad. The conductors of the flat cable are individually soldered to the solder pads. The grounding pad is protruded out of the two sides of the contact section. The protective piece is clamped at the contact section of the circuit board and is provided with a transverse arm and a pair of longitudinal arms, and the tail ends of the pair of longitudinal arms are respectively welded on the grounding pads of the pair of stop grounding parts.

Description

Plug connector with protection member capable of replacing golden finger of circuit board

Technical Field

The utility model relates to a plug connector that protection piece can replace circuit board golden finger, in particular to plug connector that can peg graft with the socket connector, plug connector have a circuit board, and the circuit board is equipped with golden finger as conductor and socket connector electric connection, and plug connector has a protection piece of protection circuit board, and protection piece can replace the golden finger of circuit board and electric contact in the terminal of socket.

Background

Electrical connectors have been commonly used to transmit signals or power. With the miniaturization of the electrical connector and the development of high transmission capability, the industry needs to develop a standard and specification association to generate a standard and specification connector, such as: the conductors for transmission have been designed on circuit boards, or may be referred to as gold fingers.

However, when the plug connector is to be plugged into a socket having a metal shell and the plugging action of the user is not accurate, the circuit board substrate is easily damaged by the metal shell or the gold fingers on the circuit board are easily scratched and damaged.

Therefore, how to overcome the defect that the circuit board and the gold fingers thereof are easily damaged by the metal shell of the socket under the existing standard interface size by improving the structural design is a subject to be solved in the technical field.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the present invention is to provide a plug connector which has a mechanism for protecting a circuit board to prevent the circuit board substrate and the golden finger from being damaged by the metal shell of the socket.

The utility model aims to solve the technical problem still in, not enough to prior art provides a plug connector, wherein the golden finger of the mechanism fungible circuit board of protection circuit board for electric contact is in the terminal of socket, thereby reduces the area of circuit board, maintains and accords with standard interface plug size.

In order to solve the above technical problem, the present invention provides a plug connector having a protection member capable of replacing a golden finger of a circuit board, which includes an insulating base, a flat cable type terminal set, a circuit board, a handle and a protection member. The insulating base body is provided with a top wall, a bottom wall and a pair of side walls, and the top wall, the bottom wall and the pair of side walls surround together to form an accommodating space along the inserting direction in the insulating base body. The flat cable type terminal group is provided with at least one flat cable; each of the at least one flat cable has a plurality of conductors. The circuit board is provided with a contact section and a welding section, the welding section is connected to the contact section, the width of the welding section is larger than that of the contact section, and a pair of stop grounding parts are respectively formed at two sides of the welding section adjacent to the contact section. The circuit board is provided with a plurality of conducting pads positioned on at least one surface of the contact section and a plurality of welding pads positioned on at least one surface of the welding section, at least one surface of the pair of stop grounding parts is respectively provided with a grounding pad, and the contact section protrudes out of the front edge of the insulating base body and exposes the conducting pads. The conductors of the flat cable are soldered to the soldering pads, respectively. The positions of the grounding pads are protruded out of the two side edges of the contact section. The handle is fixed on the insulating base body. The protective member is clamped at the contact section of the circuit board, the protective member is provided with a transverse arm and a pair of longitudinal arms, the longitudinal arms are connected to two ends of the transverse arm, and the tail ends of the longitudinal arms are respectively welded on the grounding pads of the stop grounding parts.

In order to solve the above technical problem, according to the present invention, the number of the conductive pads is less than the number of the bonding pads, and the position of the grounding pad is aligned with the bonding pads on the two outermost sides.

In order to solve the above technical problem, according to the present invention, the connector further comprises at least one fixing pin, wherein the at least one fixing pin penetrates through the top wall and the bottom wall of the insulating base, and the circuit board, so as to fix the circuit board on the insulating base.

In order to solve the above technical problem, according to the present invention, a groove is formed on the inner side surface of the transverse arm of the protection member, the groove abuts against the front end surface of the contact section, and the inner side surfaces of the pair of longitudinal arms abut against the two side edges of the contact section.

In order to solve the above technical problem, according to the present invention, each of the ends of the longitudinal arms forms a pin, and the pins are respectively welded to the grounding pads on the upper and lower surfaces of the pair of stopper grounding portions.

In order to solve the above technical problem, according to the present invention, the pins each have a widened portion connected to the end of the longitudinal arm and a pair of welding portions extending from both sides of the widened portion in a direction parallel to the longitudinal arm, respectively.

In order to solve the above technical problem, according to the present invention, the protection member further comprises a pair of positioning side plates, each of the positioning side plates is connected to the outer side of the widened portion, and a gap is formed between the pair of positioning side plates and the pair of longitudinal arms.

In order to solve the above technical problem, according to the present invention, each of the positioning side plates has a transverse portion and a side positioning portion, the transverse portion is formed by the longitudinal arm extending outward, and the side positioning portion is formed by extending along the insertion direction.

In order to solve the above technical problem, according to the present invention, each of the positioning side plates further includes an upper positioning portion, the upper positioning portion is perpendicular to the side positioning portion and extends inward from the top edge of the side positioning portion along a direction parallel to the circuit board.

In order to solve the above technical problem, according to the present invention, the handle is fixed to the top wall of the insulating base, the handle has a top plate, a bottom plate, and an operation portion extending upward from the top plate, the front end of the top plate is connected to the bottom plate in a bending manner, and the bottom plate of the handle is fixed to the top wall of the insulating base.

The utility model discloses an one of them beneficial effect lies in, the utility model provides a plug connector that protection piece can replace circuit board golden finger has, and its protection piece is located the front end and the both sides of circuit board, and one side can protection circuit board, another side, and protection piece connects in the ground connection circuit of circuit board, can provide the ground connection function, and wherein the golden finger of the mechanism fungible circuit board of protection circuit board for electric contact is in the terminal of socket, thereby reduces the area of circuit board, maintains and accords with standard interface plug size.

For a further understanding of the nature and technical content of the present invention, reference should be made to the following detailed description and accompanying drawings, which are provided for reference and illustration purposes only and are not intended to limit the invention.

Drawings

Fig. 1 is an exploded perspective view of a plug connector according to a first embodiment of the present invention.

Fig. 2 is another exploded perspective view of the plug connector according to the first embodiment of the present invention.

Fig. 3 is an elevation angle exploded perspective view of the plug connector according to the first embodiment of the present invention.

Fig. 4 is a perspective view of a plug connector and a socket according to a first embodiment of the present invention.

Fig. 5 is a cross-sectional view taken along line V-V of fig. 4.

Fig. 6 is a cross-sectional view taken along line VI-VI in fig. 4.

Fig. 7 is a cross-sectional view of a plug connector and a socket according to a first embodiment of the present invention.

Fig. 8 is an exploded perspective view of a plug connector according to a second embodiment of the present invention.

Fig. 9 is a perspective view of a plug connector and a socket according to a second embodiment of the present invention.

Fig. 10 is a top view of a plug connector and a socket according to a second embodiment of the present invention.

Fig. 11 is an exploded perspective view of a plug connector according to a third embodiment of the present invention.

Fig. 12 is another exploded perspective view of a plug connector according to a third embodiment of the present invention.

Fig. 13 is a perspective view of a plug connector and a socket according to a third embodiment of the present invention.

Detailed Description

The following embodiments of the present invention are described with reference to specific examples, and those skilled in the art will understand the advantages and effects of the present invention from the disclosure of the present specification. The present invention may be practiced or carried out in other different embodiments, and various modifications and changes may be made in the details of this description based on the different points of view and applications without departing from the spirit of the present invention. The drawings of the present invention are merely schematic illustrations, and are not drawn to scale, but are described in advance. The following embodiments will further explain the related art of the present invention in detail, but the disclosure is not intended to limit the scope of the present invention.

It should be understood that although the terms "first," "second," "third," etc. may be used herein to describe various components, these components should not be limited by these terms. These terms are used primarily to distinguish one element from another. In addition, the term "or" as used herein should be taken to include any one or combination of more of the associated listed items as the case may be.

[ first embodiment ]

Referring to fig. 1 to 5, a first embodiment of the present invention provides a plug connector 100 with protection members capable of replacing the golden fingers of the circuit board, and capable of being inserted into a socket connector 9 (see fig. 4) along an inserting direction. The plug connector 100 includes an insulative housing 10, a flat cable type terminal set (20, 20), a circuit board 30, a protector 50, and a handle 60. The insulating base 10 has a top wall 12a, a bottom wall 12b and a pair of side walls 14, and they surround together to form an accommodating space along the inserting direction inside. The flat cable type terminal set of the present embodiment has two opposing flat cables 20, however, the present invention is not limited thereto, and the number of the flat cables 20 may be at least one. Each flat cable 20 has a plurality of conductors 22, and the conductors 22 are soldered to the rear end of the circuit board 30. The two flat cables 20 of the present embodiment have the same number of conductors 22, but are not limited thereto. The flat cable type terminal set is held in the accommodating space of the insulating base 10, and the front end of the circuit board 30 is exposed out of the front end of the insulating base 10.

The circuit board 30 has a contact section 31 and a soldering section 32, the soldering section 32 is connected to the contact section 31, the contact section 31 is near the front end of the circuit board 30, and the soldering section 32 is near the back end of the circuit board 30. The width of the welding section 32 is larger than that of the contact section 31, and a pair of stop grounding parts 32a and 32b are respectively formed on two sides of the welding section 32 adjacent to the contact section 31. In this embodiment, the pair of stop-grounding parts 32a and 32b are respectively in a slope shape and a step shape, and are respectively stopped at the inner sides of the pair of side walls 34 of the insulating base 10. The two stop grounding parts 32a and 32b are different in shape, so that the direction of the circuit board 30 can be identified, but the present invention is not limited thereto.

The circuit board 30 has a plurality of conductive pads 311, 312 (i.e., gold fingers) on the upper and lower surfaces of the contact section 31, and a plurality of bonding pads (pads)331, 339 on the upper and lower surfaces of the bonding section 33. However, the present invention is not limited thereto, and the plurality of conductive pads 311, 312 may be disposed on only one surface of the contact section 31; the plurality of bonding pads 331, 339 may be disposed on only one surface of the bonding segment 33. The length of the conductive pad 311 is greater than that of the conductive pad 312, the long conductive pad 311 mainly serves as a ground, and the short conductive pad 312 serves as a signal transmission. The upper and lower surfaces of the pair of stop grounding parts 32a and 32b are respectively provided with a grounding pad 321, however, the present invention is not limited thereto, and the grounding pad 321 may be only disposed on one surface of the pair of stop grounding parts 32a and 32 b. Wherein the contact section 31 protrudes out of the front edge of the insulating base 10 and exposes the conductive pads 311, 312; the plurality of conductors 22 of the two flat cables 20 are respectively soldered to the plurality of solder pads 331, 339; the number of the conductive pads 311, 312 is less than that of the bonding pads 331, 339, and the grounding pad 321 is aligned with the two outermost bonding pads 339 and protrudes out of the two sides of the contact section 31. Specifically, the grounding pads 321 of the grounding stop portions 32a and 32b on two sides of the same surface in this embodiment replace two conductive pads, that is, the number of the conductive pads 311 and 312 on the same surface is two less than the number of the solder pads 331 and 339.

In this embodiment, to fix the circuit board 30, the plug connector further includes a pair of fixing pins 18, and the pair of fixing pins 18 respectively penetrate through the top wall 12a and the bottom wall 12b of the insulating housing 10 and the fixing holes 310 on the circuit board 30, so as to fix the circuit board 30 on the insulating housing 10. However, the present invention is not limited thereto, and the number of the fixing pins may be at least one.

Referring to fig. 1, the protection member 50 is clamped on the contact section 31 of the circuit board 30, the protection member 50 has a transverse arm 51 and a pair of longitudinal arms 52, and the pair of longitudinal arms 52 are connected to two ends of the transverse arm 51 and are substantially U-shaped. The transverse arm 51 abuts against the front end edge of the circuit board 30, the pair of longitudinal arms 52 abuts against the two side edges of the contact section 31, and the ends of the pair of longitudinal arms 52 are respectively welded to the grounding pads 321 of the pair of stop grounding portions 32a, 32b, thereby grounding the protection member 50. The handle 60 is fixed to the top wall of the insulative housing 10 and has an operating portion 63 extending upward. The thickness of the protection member 50 of the present embodiment is substantially equal to the thickness of the circuit board 30, so that the wiping of the circuit board 30 can be prevented when the plug connector 100 of the present embodiment is plugged with the receptacle connector 9 (as shown in fig. 4).

As shown in fig. 2, more specifically, the inner side surface of the transverse arm 51 of the protection member 50 of the embodiment forms a groove 510, and the front end surface of the contact section 31 of the circuit board 30 forms a corresponding bevel. The groove 510 abuts against the front end surface of the contact section 31, thereby helping to hold the transverse arm 51 at the front end of the contact section 31 from being displaced upward or downward.

In this embodiment, the inner side surfaces of the pair of longitudinal arms 52 of the protection member 50 abut against the two side edges of the contact section 31. A pin 53 is formed at the end of each of the longitudinal arms 52, and the pin 53 is respectively welded to the grounding pads 321 on the upper and lower surfaces of the pair of stop grounding portions 32a and 32 b. That is, each pin 53 corresponds to one stop grounding portion (32a or 32b), and each pin 53 is soldered to two grounding pads 321 on the upper and lower surfaces of the circuit board 30. More specifically, in the present embodiment, each lead 53 has a widened portion 531 and a pair of soldering portions 542, the widened portion 531 is connected to the end of the longitudinal arm 52, and the pair of soldering portions 542 extend from both sides of the widened portion 531 in a direction parallel to the longitudinal arm 52, and are formed in a substantially fork shape. The pair of soldering portions 542 are respectively soldered to the two grounding pads 321 on the upper and lower surfaces of the circuit board 30, thereby fixing the protection member 50 to the circuit board 30 against forward or backward displacement.

Referring to fig. 1 to 4, the handle 60 is fixed to the top wall 12a of the insulating base 10, and the handle 60 has a top plate 61, a bottom plate 62, and an operating portion 63 extending upward from the top plate 61. The top plate 61 is connected to the bottom plate 62 at its front end in a bent manner. The handle 60 may be stamped and formed from sheet metal. The bottom plate 62 of the handle 60 is fixed to the top wall 12a of the insulative housing 10.

As shown in fig. 1, in order to fix the handle 60, the top wall 12a of the insulative housing 10 of the present embodiment forms a mounting structure 16. The mounting structure 16 includes a pair of retaining walls 161 and a front retaining block 162. Both sides of the top plate 61 of the handle 60 are fixed to the pair of limiting walls 161, and the front ends of the top plate 61 and the bottom plate 62 are recessed and stopped by the front fixing block 162.

As shown in fig. 4 to 6, fig. 4 is a perspective view of the plug connector 100 and the receptacle connector 9 of the present embodiment, fig. 5 is a sectional view taken along V-V of fig. 4, and fig. 6 is a sectional view taken along VI-VI of fig. 4. In the assembly process of the plug connector 100 of the present embodiment, the circuit board 30 and the flat cable type terminal set are inserted into the accommodating space of the insulating base 10 from the rear side of the insulating base 10. A stop block 143, 145 is formed inside each of the pair of sidewalls 14 of the insulating base 10, and the pair of stop grounding portions 32a, 32b of the circuit board 30 are respectively stopped at the stop blocks 143, 145. Then, a pair of fixing pins 18 penetrate through the insulating base 10 and the circuit board 30, so as to firmly fix the circuit board 30 on the insulating base 10 and prevent the circuit board 30 from moving. As shown in fig. 6, a package 19, such as resin, may be further filled into the accommodating space of the insulating base 10 to fix and protect the flat cable terminal set.

After the plug connector 100 is assembled, about a half of the contact section 31 of the circuit board 30 is exposed out of the front end surface of the insulating base 10, and the conductive pads 311, 312 are completely exposed. The protection member 50 is located at the front end and both sides of the circuit board 30, one side of which can protect the conductive pads 311, 312 of the circuit board 30 from being damaged by rubbing during the plugging process, and the other side of which is connected to the grounding circuit (grounding pad 321, as shown in fig. 1 and 2) of the circuit board 30, the longitudinal arms 52 at both sides of the protection member 50 can provide the grounding function. The front ends of the lateral arms 51 form guiding slopes to facilitate smooth insertion with the receptacle connector 9. As shown in fig. 5, the width of the longitudinal arm 52 is approximately equal to the width of the elongated conductive pad 311 plus a spacing between two adjacent conductive pads. The longitudinal arm 52 is spaced from the outermost short pad 312 by the same distance as the distance between two adjacent pads. The front ends of the elongated conductive pads 311 may contact the lateral arms 51 of the protector 50.

The receptacle connector 9 has a housing 91 and two rows of terminals 92, and two side plates 914 of the housing 91 respectively form a positioning recess 9140. The front ends of the pair of side walls 34 of the insulating base 10 form a substantially L-shaped positioning engaging portion 142, and an engaging groove 140 is formed between the positioning engaging portion 142 and the top wall 14 a. After the plug connector 100 is plugged into the receptacle connector 9, the pair of positioning engaging portions 142 are engaged with the positioning recesses 9140 of the receptacle connector 9.

as shown in fig. 7, the circuit board 30 is not provided with conductive pads (gold fingers) corresponding to the positions of the (outermost) terminals 92 of the receptacle connector 9, and the protector 50 (i.e., the longitudinal arms 52 thereof) replaces the conductive pads (gold fingers) of the circuit board 30. In the process of plugging the plug connector 100 with the receptacle connector 9, the terminals 92 of the receptacle connector 9 contact the protection member 50 first, so that the protection member 50 can protect the front end of the circuit board 30. After the plug connector 100 is plugged into the receptacle connector 9, the terminals 92 (the outermost terminals in fig. 7) of the receptacle connector 9 are electrically contacted with the longitudinal arms 52 of the protection member 50, and the (outermost) terminals 92 of the receptacle connector 9 are also connected to the ground line of the circuit board 30 through the pins 53 connected to the ground line. In other words, the terminals 92 of the receptacle connector 9 are electrically contacted with the ground circuit of the circuit board 30 through the protection member 50.

[ second embodiment ]

Referring to fig. 8 to 10, a plug connector 100a according to a second embodiment of the present invention is shown. The main difference between this embodiment and the first embodiment lies in the protection member 50a, wherein the protection member 50a further comprises a pair of positioning side plates 54, each positioning side plate 54 extends from the outer side of the longitudinal arm 52 of the protection member 50a, and more specifically, each positioning side plate 54 is connected to the outer side of the widened portion 531 at the end of the longitudinal arm 52. As shown in fig. 10, a gap G is formed between the pair of positioning side plates 54 and the pair of longitudinal arms 52, respectively, so as to correspond to the side plate 914 of the receptacle connector 9.

Specifically, each positioning side plate 54 has a transverse portion 541 formed by extending the longitudinal arm 52 outward, and a side positioning portion 542 formed by extending the side positioning portion 542 along the insertion direction. More specifically, the transverse portion 541 extends perpendicularly outward from the widened portion 531, and the side positioning portion 542 is perpendicular to the transverse portion 541 and parallel to the side wall 34 of the insulation housing 10.

As shown in fig. 8, corresponding to the structure of the protection member 50a, an insertion groove 146 is formed inside each of the side walls 34 of the insulation base 10, and the transverse portion 541 of the positioning side plate 54 is received in the insertion groove 146. As shown in fig. 9, the position of the side positioning portion 542 corresponds to the front end surface of the side wall 14 of the insulation base 10, and the thickness of the side positioning portion 542 is less than or equal to the thickness of the side wall 14 of the insulation base 10.

In addition, the two stop grounding portions 32c of the circuit board 30 of the embodiment have the same shape.

It should be noted that the top edge of the side wall 14 of the insulation base 10 of the present embodiment further extends inwardly along a direction parallel to the top wall 12a to form an auxiliary upper positioning wall 147. When the plug connector 100a of the present embodiment is connected to the receptacle connector 9, not only the pair of positioning side plates 54 of the protection member 50a can increase the positioning function in the vertical direction, but also the auxiliary upper positioning wall 147 can abut on the upper side of the housing 91 of the receptacle connector 9 to increase the positioning function in the horizontal direction.

the present embodiment has an advantage that the protection member 50a not only has the functions of the first embodiment, but also provides a more stable connection between the plug connector 100a and the receptacle connector 9, and can prevent the plug connector 100a and the receptacle connector 9 from shaking.

[ third embodiment ]

Fig. 11 to 13 show a plug connector 100b according to a third embodiment of the present invention. The main difference between the present embodiment and the second embodiment is that, compared to the protection member 50a of the second embodiment, each positioning side plate 54 of the protection member 50a further includes an upper positioning portion 543 besides the transverse portion 541 and the side positioning portion 542, and the upper positioning portion 543 is perpendicular to the side positioning portion 542 and extends inward from the top edge of the side positioning portion 542 along the direction parallel to the circuit board 30.

The insulating base 10 of the present embodiment is similar to the second embodiment, and a plug-in groove 146 is formed on the front end surface of each of the sidewalls 34 of the insulating base 10. The transverse portion 541 is engaged with the insertion groove 146, the position of the side positioning portion 542 corresponds to the front end surface of the sidewall 14 of the insulating housing 10, and the thickness of the side positioning portion 542 is approximately equal to the thickness of the sidewall 14 of the insulating housing 10. The position of the upper positioning portion 543 corresponds to the auxiliary upper positioning wall 147 of the insulating base 10, and the thickness of the upper positioning portion 543 is approximately equal to the thickness of the auxiliary upper positioning wall 147 of the insulating base 10.

In this embodiment, compared to the second embodiment, the upper positioning portion 543 is matched with the auxiliary upper positioning wall 147, and both of them abut against the upper side of the housing 91 of the receptacle connector 9, so as to further increase the positioning function in the horizontal direction.

[ advantageous effects of the embodiments ]

The utility model discloses an one of them beneficial effect lies in, the utility model provides a plug connector, its protection piece are located the front end and the both sides of circuit board, and one side can protection circuit board, another side, and protection piece connects in the ground connection circuit of circuit board, can provide the ground connection function, and wherein the golden finger of protection piece fungible circuit board of protection circuit board for electric contact is in the terminal of socket, thereby reduces the area of circuit board, maintains and accords with standard interface plug size.

In addition, the protection piece can also be provided with a positioning side plate, so that the positioning function in the vertical direction and the horizontal direction between the plug connector and the socket connector is further increased.

The above disclosure is only a preferred embodiment of the present invention and is not intended to limit the claims of the present invention, so that all the equivalent technical changes made by using the contents of the specification and the drawings of the present invention are included in the claims of the present invention.

Claims (10)

1. A plug connector having a protective member capable of replacing a gold finger of a circuit board, comprising:

The insulating base body is provided with a top wall, a bottom wall and a pair of side walls, and the top wall, the bottom wall and the pair of side walls surround together to form an accommodating space along the inserting direction in the insulating base body;

The flat cable type terminal set is provided with at least one flat cable; each flat cable is provided with a plurality of conductors;

The circuit board is provided with a contact section and a welding section, the welding section is connected with the contact section, the width of the welding section is greater than that of the contact section, and a pair of stop grounding parts are respectively formed at two sides of the welding section adjacent to the contact section;

The circuit board is provided with a plurality of conducting pads positioned on at least one surface of the contact section and a plurality of welding pads positioned on at least one surface of the welding section, at least one surface of the pair of stop grounding parts is respectively provided with a grounding pad, and the contact section protrudes out of the front edge of the insulating base body and exposes out of the conducting pads; the conductors of the flat cable are respectively soldered to the soldering pads; the positions of the grounding pads are protruded out of two side edges of the contact section;

A handle fixed to the insulating base; and

The protective piece is clamped at the contact section of the circuit board and is provided with a transverse arm and a pair of longitudinal arms, the longitudinal arms are connected to two ends of the transverse arm, and the tail ends of the longitudinal arms are respectively welded on the grounding pads of the stop grounding parts.

2. The plug connector of claim 1 having a protective member to replace a gold finger of a circuit board, wherein the number of conductive pads is less than the number of solder pads, and the ground pads are positioned to align with the two outermost solder pads.

3. The plug connector with protection member capable of replacing gold fingers of circuit board of claim 1, further comprising at least one fixing pin penetrating through the top wall and the bottom wall of the insulative housing and the circuit board, thereby fixing the circuit board to the insulative housing.

4. The plug connector of claim 1, wherein the protection member has a groove formed on an inner surface of the transverse arm, the groove abutting against a front end surface of the contact section, and inner surfaces of the pair of longitudinal arms abutting against both sides of the contact section.

5. The connector as claimed in claim 4, wherein each of the longitudinal arms has a pin formed at its end, and the pin is soldered to the grounding pads on the upper and lower surfaces of the pair of grounding stops.

6. the plug connector of claim 5, wherein said leads each have a widened portion connected to a distal end of said longitudinal arm and a pair of solder portions extending from opposite sides of said widened portion in a direction parallel to said longitudinal arm.

7. the plug connector of claim 6 having a protective member in place of the fingers of the circuit board, wherein the protective member further comprises a pair of positioning side plates, each of the positioning side plates extending from the outer side of the longitudinal arm of the protective member, the pair of positioning side plates and the pair of longitudinal arms forming a gap therebetween.

8. the plug connector of claim 7, wherein each of said positioning side plates has a transverse portion extending outwardly from said longitudinal arm and a side positioning portion extending in the insertion direction.

9. The plug connector of claim 8, wherein each of said positioning side plates further comprises an upper positioning portion perpendicular to said side positioning portions and extending inwardly from top edges of said side positioning portions in a direction parallel to said circuit board.

10. the plug connector having a protector for replacing a golden finger of a circuit board as set forth in claim 1, wherein said handle is fixed to said top wall of said insulative housing, said handle having a top plate, a bottom plate, and an operating portion extending upward from said top plate, a front end of said top plate being bendably connected to said bottom plate, said bottom plate of said handle being fixed to said top wall of said insulative housing.