CN201171092Y - electrical connector - Google Patents

Abstract

The utility model discloses an electric connector, including insulating pedestal, shielding shell and a plurality of conductive terminal. The insulating base body is provided with an accommodating cavity. The shielding shell is coated on the insulating base body. Each conductive terminal is provided with a base part, one end of the base part extends to form a contact part, the other end of the base part is vertical to the base part and extends upwards to form a supporting part, and the free end of the supporting part extends to form an insertion part. The base part is fixed at the lower end of the insulating seat body, the contact part is positioned in the accommodating cavity, and the insertion part is positioned outside the insulating seat body and is a certain distance away from the lower end of the insulating seat body. Therefore, the electric connector of the utility model can be fixed on the circuit board by the proper position of the side surface and is connected with the circuit board by the inserting part, thereby the whole height of the assembled circuit board and the electric connector can be reduced, and correspondingly the space can be saved.

Description

electrical connector

technical field

The utility model relates to a connector, in particular to an electrical connector fixed on a circuit board.

Background technique

US Patent No. 6,918,795 discloses an electrical connector comprising an insulating base and a plurality of conductive terminals received on the insulating base.

After the electrical connector is assembled with the circuit board, the electrical connector is located on the circuit board, and the height of the electrical connector and the circuit board after assembly is the sum of the height of the insulating base and the thickness of the circuit board, so the overall height is large.

Contents of the invention

The object of the present invention is to provide an electrical connector to solve the above defects. The overall height of the electrical connector after being assembled with a circuit board is low, thereby saving space.

To achieve the above purpose, the electrical connector of the present invention includes an insulating base body, a shielding shell and a plurality of conductive terminals. The insulating seat body has a receiving cavity. The shielding case covers the insulating base. Each conductive terminal has a base, and the base is fixed on the lower end of the insulating base; one end of the base extends with a contact portion located in the receiving cavity, and the other end of the base extends upwardly with a support portion perpendicular to the base; the free end of the support extends downward to form a The insertion part is located outside the insulating base, and the end of the insertion part is a certain distance away from the lower end of the insulating base.

As mentioned above, since the insertion portion of each conductive terminal of the utility model electrical connector is at a certain distance from the lower end of the insulating base body, the electrical connector can be held on the circuit board by an appropriate position on the side, and the insertion portion is connected to the circuit board. connection, so that the overall height of the assembled circuit board and the electrical connector can be reduced, which can save space accordingly.

Description of drawings

FIG. 1 is a three-dimensional exploded view of an embodiment of the electrical connector of the present invention.

FIG. 2 is a three-dimensional exploded view of the electrical connector shown in FIG. 1 from another angle.

FIG. 3 is a perspective view of the electrical connector shown in FIG. 1 after being plugged into the circuit board.

Fig. 4 is a sectional view along line IV-IV of Fig. 3 .

The reference numerals of each element in the figure are explained as follows:

Insulation seat body 1 bottom wall 11

Notch 111 Groove 112

side wall 12 through hole 121

Accommodating hole 122 Top wall 13

Holder slot 131 rear wall 14

Storage slot 141 Storage chamber 15

Extension 16 Accommodating cavity 161

Buckle block 162 Positioning post 163

Engagement slot 164 Conductive terminal 2

Base 21 Contact 22

Supporting part 23 Arched part 24

Insertion part 25 Shielding case 3

Shielding wall 31 Accommodating port 311

Shrapnel 312 Fixed column 313

Fastening hole 314 cover plate 32

Shielding plate 321 Insert piece 322

Anti-mis-insertion device 4 Holder 41

Elastic part 42 Blocking part 43

The first supporting member 5 clamping block 51

Second support 6 circuit board 7

Detailed ways

In order to describe the technical content, structural features, achieved goals and effects of the present utility model in detail, the following will be described in detail in conjunction with the embodiments and accompanying drawings.

Please refer to FIG. 1 and FIG. 2 , the electrical connector of the present invention includes an insulating base body 1 , a plurality of conductive terminals 2 , a shielding shell 3 and an anti-mis-insertion device 4 .

The insulating base 1 has a bottom wall 11 and a top wall 13 opposite to the bottom wall 11 . The bottom wall 11 has a notch 111 , and the notch 111 is recessed from one side of the bottom wall 11 to the other side. Grooves 112 are provided on both sides of the notch 111 . The end of the bottom wall 11 and the end of the top wall 13 are connected with opposite side walls 12, and each side wall 12 is provided with a through hole 121 and a receiving hole 122, and the receiving hole 122 is farther away from the insulation than the through hole 121. The bottom wall 11 of the seat body 1 . A locking groove 131 is defined at the intersection of the top wall 13 and the side wall 12 , and the locking groove 131 communicates with the receiving hole 122 of the side wall 12 . A rear wall 14 is connected to ends of the top wall 13 , the side wall 12 and the bottom wall 11 . The rear wall 14 is located at one end of the bottom wall 11 having the notch 111 , and a receiving groove 141 is disposed near the bottom wall 11 . The bottom wall 11 , the side wall 12 , the top wall 13 and the rear wall 14 define a receiving cavity 15 . The insulating base body 1 also has an extension portion 16 , the extension portion 16 is located outside the insulating base body 1 and an accommodating cavity 161 is formed inside the extension portion 16 . An engaging block 162 is disposed on a side of the extension portion 16 , and a positioning column 163 extends from an end of the extension portion 16 to the bottom wall 11 of the insulating base 1 . An engaging slot 164 is formed on a side of the extension portion 16 perpendicular to the side wall 12 .

The conductive terminal 2 has a base 21 , a contact portion 22 extends from one end of the base 21 , and the other end extends vertically upward from the base 21 to form a support portion 23 , the contact portion 22 and the support portion 23 are located on the same side of the base 21 . The support part 23 extends downward to form the insertion part 25. Of course, the support part 23 can also be extended to form the insertion part 25 in other ways, for example: the support part 23 extends downward in an arc shape to form an arched part 24, and the arched part 24 is perpendicular to the base 21 extends downward to form an insertion portion 25 .

The shielding case 3 has two opposite shielding walls 31 , each shielding wall 31 is provided with a receiving opening 311 , and a spring piece 312 extends from one side of the receiving port 311 toward the inside of the shielding case 3 . A fixed column 313 is provided on the shielding wall 31 at a certain distance from the elastic piece 312 . A fastening hole 314 is disposed above the fixing post 313 . A cover plate 32 is connected between the two shielding walls 31 of the shielding case 3 , a shielding plate 321 extends from one side of the cover plate 32 , and inserting pieces 322 are provided on opposite sides of the shielding plate 321 .

In this embodiment, the anti-mis-insertion device 4 is formed by pressing and bending a metal sheet, which includes a clamping portion 41, an elastic portion 42 bent downwards from one end of the clamping portion 41, and an elastic portion 42 from the elastic portion 42. Extended blocking portion 43 .

The electrical connector further includes a first support 5 and a second support 6 , the first support 5 is fixed on the base 21 of the conductive terminal 2 , and blocks 51 are provided on opposite sides of the first support 5 . The second support 6 is located in the middle of the insertion portion 25 .

Please refer to Fig. 1, Fig. 3 and Fig. 4, when the electrical connector is assembled, the blocks 51 on both sides of the first support member 5 slide along the grooves 112 on both sides of the bottom wall 11 of the insulating base 1 and make the conductive The contact portion 22 of the terminal 2 passes through the receiving groove 141, whereby the first support member 5 is accommodated in the notch 111 of the bottom wall 11 of the insulating base body 1, and the base portion 21 of the conductive terminal 2 is fixed on the bottom of the insulating base body 1 Wall 11 so that the base 21 is fixed on the lower end of the insulating base body 1, the contact portion 22 of the conductive terminal 2 is located in the accommodation cavity 15 of the insulating base body 1, and the insertion portion 25 of the conductive terminal 2 is located outside the insulating base body 1 and the distance The bottom wall 11 of the insulating seat 1 is at a certain distance, and the arched part 24 is located in the accommodation cavity 161 of the extension part 16; then, the elastic piece 312 passes through the through hole 121 on the insulating seat 1 and extends into the accommodation cavity 15, and the shielding shell The fastening hole 314 of the body 3 fastens the buckle block 162 of the extension part 16 of the insulating base body 1 so that the shielding shell 3 is covered on the insulating base body 1, and the insertion piece 322 of the shielding plate 321 is inserted into the engaging groove 164; finally, the clamping part 41 of the anti-misinsertion device 4 is clamped in the clamping groove 131 of the top wall 13 of the insulating seat body 1 so that the elastic part 42 and the blocking part 43 of the anti-misinsertion device 4 are located in the insulating seat Inside the housing cavity 15 of the body 1.

Please refer to Fig. 3 and Fig. 4, when the electrical connector of the present invention is in use, the fixing column 313 of the shielding wall 31 of the shielding shell 3 is fixed on the circuit board 7, and the positioning column 163 of the insulating seat body 1 is fixed on the circuit board 7 superior. The insertion portion 25 of the conductive terminal 2 is inserted on the circuit board 7 . When the butt connector is wrongly inserted into the electrical connector, the blocking portion 43 of the anti-mis-insertion device 4 blocks the insertion of the butt connector, and when the butt connector is inserted correctly, the blocking portion 43 will not block the insertion of the butt connector so as to realize anti-misplugging. Inserted by mistake.

To sum up, since the insertion portion 25 of each conductive terminal 2 of the electrical connector of the present invention is at a certain distance from the bottom wall 11 of the insulating base 1, the electrical connector can be held on the circuit board 7 at an appropriate position on the side , and connected to the circuit board 7 by the insertion part 25, the assembled height of the circuit board 7 and the electrical connector is the height of the electrical connector so that the overall height of the assembled circuit board 7 and the electrical connector can be reduced, which can save space accordingly .

Claims (4)

1. electric connector comprises: insulating base frame, and this insulating base frame has host cavity; Shield shell is coated on insulating base frame; Plurality of conductive terminals, each conducting terminal has base portion, base portion is fixed on the lower end of insulating base frame, one end of base portion is extended with the contact site that is positioned at host cavity, the vertical base portion of the other end has extended upward the support portion, the free end of support portion extends to form the insertion section downwards, it is characterized in that: described insertion section is positioned at outside the insulating base frame and apart from insulating base frame lower end certain distance.

2. electric connector according to claim 1, it is characterized in that: described shield shell has two relative barrier shields, be respectively arranged with a utensil receiving opening on two barrier shields, one side direction inside of shield casings of described utensil receiving opening is extended a shell fragment, be connected with a cover plate between two barrier shields in addition, one side of cover plate is extended with barricade, and the relative both sides of barricade are extended with inserted sheet; Described insulating base frame has the two side, offer a through hole on each sidewall, described shell fragment passes through hole and stretches in the host cavity of insulating base frame, and insulating base frame also has an extension that outwards protrudes, this extension is provided with slot, and described inserted sheet inserts in this slot.

3. electric connector according to claim 1 is characterized in that: this electric connector further comprises one first supporting member, and this first supporting member is fixed on the base portion of conducting terminal, and the relative both sides of first supporting member are provided with fixture block; Described insulating base frame has diapire, and this diapire is provided with a recess, and the place, both sides of recess is provided with groove, and described fixture block is housed in the described groove.

4. electric connector according to claim 1 is characterized in that: described electric connector further comprises misplug prevention device, and described misplug prevention device comprises the elastic portion of a holding section, one one end diagonally extending from the holding section and the stop part that extends from elastic portion; Described insulating base frame has roof and sidewall, and this roof and sidewall intersection are provided with support slot; Described holding section is housed in the support slot, and described stop part is positioned at the host cavity of insulating base frame.

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