CN203326301U - Electric connector - Google Patents

Abstract

Provided is an electric connector, comprising an insulation main body, a plurality of conductive terminals installed on the insulation main body and a cardboard member installed in the insulation main body. The insulation main body is provided with a bottom and a through hole penetrating down through the bottom. The cardboard member is provided with a slice-shaped support part fixed in the through hole and extending downwardly to exceed the bottom. The end of the support part bifurcates downwards to form two splicing parts; the support part also comprises a first pin which is torn upwards and is located between the two splicing parts; the first pin and the two splicing parts form a three-jaw structure. According to the arrangement, the welding plate intensity of the electric connector can be enhanced.

Description

electrical connector

【Technical field】

The utility model relates to an electric connector, in particular to an electric connector capable of increasing welding strength.

【Background technique】

For the prior art related to the utility model, please refer to the Chinese utility model patent No. CN 200941470Y announced on August 29, 2007. This patent discloses an elevated electrical connector. Please refer to the accompanying drawing of the patent specification 1 and 2, it includes: an insulating body 1, a number of conductive terminals 3, a frame body 2, a shielding case 4, and a holder 5 for vertically fixing the frame body 2 to a circuit board (not shown). Wherein the holder 5 is provided with a holding part 51 which is bent into an L shape and is close to the frame body, and a plugging pin 52 extending downward from the holding part 51. The plugging pin 52 is provided with two forks for Solder with the circuit board. Because the electrical connector is elevating, the height of the plug pin 52 is relatively high. However, the butt joint direction of the electrical connector is perpendicular to the height direction of the pin. When plugging and unplugging the plug connector, the electrical connector is easily inserted The pull-out force causes the electrical connector to swing back and forth, thereby causing the electrical connector to detach from the circuit board, thus affecting the signal transmission of the electrical connector.

Therefore, it is necessary to improve the existing electrical connectors to overcome the above-mentioned defects in the prior art.

【Content of utility model】

The purpose of the utility model is to provide an electrical connector with reliable installation.

The purpose of this utility model is achieved through the following technical solutions: an electrical connector, including an insulating body, a number of conductive terminals installed on the insulating body and clamping parts installed in the insulating body, the insulating body is provided with a bottom surface and a through hole penetrating downwards through the bottom surface, the clamping member is provided with a sheet-shaped support part accommodated in the through hole and extending downward beyond the bottom surface, the ends of the support part are bifurcated to form two insertion parts, the The support part further includes a first leg formed by tearing upwards and located between the two insertion parts, the first leg and the two insertion parts together form a three-claw structure.

In a preferred embodiment, a second leg formed by tearing down is provided in the middle of the insertion part, and a cross beam is used to connect the first leg and the second leg.

In a preferred embodiment, the first leg extends outward from the lower side of the beam and then downward.

In a preferred embodiment, the second leg extends obliquely upward from the upper side of the beam.

In a preferred embodiment, the first leg and the second leg are located on the same side of the supporting part.

In a preferred embodiment, the plane on which the first leg is located is parallel to the plane on which the support part is located, and an acute angle is formed between the plane on which the second leg is located and the plane on which the support part is located.

In a preferred embodiment, the insulating body includes an insulating body and a frame supported under the insulating body, and the frame is provided with a raised part, the bottom surface below the raised part and all the parts in the raised part. The through hole, the clamping member is fixed in the through hole, and the insertion part and the first leg extend downward beyond the bottom surface.

In a preferred embodiment, the raised portion is further provided with a blocking portion located in the through hole, and the second leg is upwardly abutted against the blocking portion.

In a preferred embodiment, the frame body is further provided with a horizontal portion, and a number of reinforcing ribs are provided at the vertically connected transition between the raised portion and the horizontal portion.

In a preferred embodiment, the insulating body is provided with a D-shaped columnar docking portion and several docking cavities recessed backward from the docking portion and penetrating through the docking portion, and the conductive terminal is provided with a fork-shaped plug socket housed in the docking cavity. end.

Compared with the prior art, the electric connector of the utility model sets the first leg on the insertion part formed by the bifurcation of the clamping part, so that the insertion part is formed into a three-claw structure, thereby increasing the electrical connector The strength of the welding plate can avoid the electrical connector from swinging back and forth and cause desoldering.

【Description of drawings】

FIG. 1 is a perspective view of the electrical connector of the present invention.

Fig. 2 is an exploded view of the electrical connector of the present invention.

FIG. 3 is an exploded view from another angle of the electrical connector of the present invention.

FIG. 4 is a cross-sectional view of the electrical connector of the present invention along line A-A in FIG. 1 .

FIG. 5 is a three-dimensional schematic diagram of a clamping member of the electrical connector of the present invention.

【Detailed ways】

Referring to FIGS. 1 to 5 , the electrical connector 100 of the present invention includes an insulating body, a plurality of conductive terminals 3 installed on the insulating body, and a shielding shell 4 covering the front end of the insulating body. The insulating body includes an insulating body 1 and a frame 2 supported under the insulating body 1 .

Please refer to Figures 2 to 4, the insulating body 1 is provided with a rectangular vertical plate 12, a D-shaped columnar butt joint 11 protruding forward from the middle of the front end of the plate 12, extending from the middle of the rear end of the plate 12 to The rear extending mounting body 13 and the mounting holes 121 distributed on both sides of the D-shaped docking portion, the mounting holes 121 penetrate the board body 12 front and rear. The docking portion 11 is provided with several docking cavities 110 that are recessed and extend from front to rear. The mounting body 13 is provided with a main body portion 130, and the main body portion 130 is provided with two side surfaces 131 located on the left and right sides, a rear end surface 132 located at the rear end, two protrusions 133 protruding outward from the two side surfaces 131, and The accommodating cavity 134 extends backward from the docking cavity 110 and passes through the rear end surface 132 of the main body 130 . The rear end surface 132 is divided into three layers of steps, and the steps are gradually descending from the back to the front, and the receiving cavities 134 are respectively arranged on each step.

The frame body 2 is provided with a flat horizontal portion 22, two ear portions 21 located on both sides of the horizontal portion 22 and extending upright, and a raised portion 23 located under the rear side of the horizontal portion 22. The two ear portions 21 are mirror images Symmetrical setting. Each of the ear portions 21 is defined with a front wall 211 extending left and right and a side wall 212 extending front and rear, and the side wall 212 is formed by extending backward from the inner side of the front wall 211 . A through hole 213 corresponding to the mounting hole 121 of the insulating housing 1 is formed in the middle of the front wall 211 . The side wall 212 is provided with a button hole 214 that is recessed from top to bottom. When the insulating body 1 is matched with the frame body 2, the plate body 12 of the insulating body 1 is attached to the front wall 211 of the ear portion 21. On the front side, the main body 130 is accommodated between the sidewalls 212 of the two ear portions 21 , and the buckle holes 214 receive the protrusions 133 on the main body 130 to position the insulating body 1 on the frame body 2 .

The raised part 23 is formed by extending downward from the rear side of the horizontal part 22. Stepped parts 24 and bracket positioning seats 25 located between the stepped parts 24 are arranged on both sides of the raised part 23, please refer to FIG. 1 As shown, the stepped portion 24 and the positioning seat 25 share a bottom surface. A number of reinforcing ribs 20 are provided at the vertically connected transition between the raised portion 23 and the horizontal portion 22 to strengthen the strength of the frame body 2 . The step surface 241 of the step part 24 is provided with a through hole 242 vertically passing through the step part 24 at an appropriate position, and the step part 24 is also provided with a guide groove 240 extending up and down above the step surface 241. The guide groove 240 communicates with the through hole 242 . As shown in FIG. 4 , the stepped portion 24 also has a blocking portion 243 formed from the inner wall of the through hole 242 inside the through hole 242 . The positioning seat 25 is provided with a plurality of rows of terminal holes 251 penetrating up and down for positioning the conductive terminals 3 .

Please refer to Figures 2 to 3, the conductive terminal 3 is "L"-shaped, one end of which is a fork-shaped plug-in end 31 accommodated in the docking cavity 110, and extends horizontally from the plug-in end 31 backward through the pair The extension portion 32 of the receiving cavity 10 and the receiving cavity 134 and the welding leg 33 bent downward from the rear end of the extension portion 32 extend downward. The welding feet 33 pass through the terminal holes 251 on the positioning seat 25 and extend downward beyond the bottom surface of the positioning seat 25 .

The shielding shell 4 is provided with a D-shaped frame opening 41 sleeved on the D-shaped docking portion 11 of the insulating body 1 from front to rear, and a shielding sheet 42 abutting against the vertical plate body 12 backward. The edge of the frame opening 41 of the shielding sheet 42 extends outwards to cover the boundary of the board body 12, and on both sides of the frame opening 41, there are front and rear through holes 213 connected with the installation hole 121 of the insulating body 1 and the frame body. Corresponding fixing holes 43 front and back.

The electrical connector 100 is also provided with a pair of clamping parts 5 for fixing the electrical connector 100 on a circuit board (not shown). The clamping member 5 is provided with a holding portion 51 and pins 52 , the holding portion 51 is bent into an “L” shape and is closely attached to the rear sides of the two front walls 211 of the frame body 2 . The holding portion 51 is provided with through holes 53 corresponding to the mounting holes 121 of the insulating body 1 , the through holes 213 of the frame body 2 and the fixing holes 43 of the shielding case. The pin 52 includes a sheet-shaped supporting portion 521, two inserting portions 522 formed by bifurcating from the ends of the supporting portion 521, a first leg 523 formed by tearing downwards and upwards from the middle of the two inserting portions 522, and The second leg 524. Both the first leg 523 and the second leg 524 are located on the same side of the support portion 521, and the surface of the first leg 523 is substantially parallel to the surface of the support portion 521, and the surface of the second leg 524 is parallel to the surface of the support portion 521. An acute angle is formed between the faces. The two inserting portions 522 are coplanar with the supporting portion 521 . As shown in FIG. 4 , the supporting portion 521 is accommodated in the guiding groove 240 and the through hole 242 , and the second supporting leg 524 extends obliquely upward and abuts against the blocking portion 243 of the raised portion 23 upward. The first leg 523 and the second leg 524 are connected by a crossbeam 525. The first leg 523 is bent outward from the lower side of the crossbeam and extends downward, forming three claws together with the bifurcated insertion part 522. structure, so as to increase the strength of the welding plate of the electrical connector 100, and prevent the electrical connector 100 from shaking back and forth during the plugging and unplugging process of the butt connector (not shown), resulting in desoldering of the electrical connector 100 from the circuit board.

The electrical connector 100 is further provided with a bolt 6 for assembling and fixing the shielding case 4 , the insulating body 1 and the frame body 2 . The bolt 6 has a thin wall 61 and a screw portion 62 extending from one side of the thin wall 61 . The thin wall 61 is attached to the holding part 51 of the clip part 5, while the screw part 62 passes through the perforation 53 of the clip part 5, the through hole 213 of the frame body 2, and the installation of the insulating body 1 sequentially from back to front. The holes 121 and the fixing holes 43 of the shielding case 4 are used to assemble the shielding case 4, the insulating body 1, the frame body 2 and the clamping member 5 into one body.

In summary, the above are only preferred embodiments of the present utility model, and should not limit the scope of the present utility model, that is, all simple equivalent changes and modifications made according to the claims of the utility model and the contents of the description , all should still belong to the scope that the utility model patent covers.

Claims (10)

1. An electrical connector, comprising an insulating body, a plurality of conductive terminals mounted on the insulating body, and clamping parts installed in the insulating body, the insulating body is provided with a bottom surface and a through hole penetrating the bottom surface downwards, the The clip is provided with a sheet-shaped supporting part that is accommodated in the through hole and extends downward beyond the bottom surface. It is characterized in that: the end of the supporting part is bifurcated to form two insertion parts, and the supporting part also includes an upward tearing A first leg is formed and located between the two insertion parts, and the first leg and the two insertion parts jointly form a three-claw structure. 2. The electrical connector according to claim 1, characterized in that: a second leg formed by tearing down is provided in the middle of the plug-in part, and a gap is used between the first leg and the second leg. Beam connection. 3. The electrical connector as claimed in claim 2, wherein the first leg extends outward from the lower side of the beam and then downward. 4. The electrical connector as claimed in claim 3, wherein the second leg extends obliquely upward from the upper side of the beam. 5. The electrical connector as claimed in claim 4, wherein the first leg and the second leg are located on the same side of the supporting portion. 6. The electrical connector according to claim 4, wherein the surface where the first leg is located is parallel to the surface where the support portion is located, and a surface is formed between the surface where the second leg is located and the surface where the support portion is located. an acute angle. 7. The electrical connector according to claim 4, wherein the insulating body comprises an insulating body and a frame supported under the insulating body, and the frame is provided with a raised part, and the raised part is located below the raised part. The bottom surface and the through hole located in the raised portion, the clamping member is fixed in the through hole, and the insertion portion and the first leg extend downward beyond the bottom surface. 8 . The electrical connector as claimed in claim 7 , wherein: the raised portion is further provided with a blocking portion located in the through hole, and the second leg abuts against the blocking portion upward. 9 . 9 . The electrical connector according to claim 7 , wherein the frame body is further provided with a horizontal portion, and a plurality of reinforcing ribs are provided at a vertically connected transition between the raised portion and the horizontal portion. 10 . 10. The electrical connector according to claim 7, wherein the insulating body is provided with a D-shaped columnar docking portion and several docking cavities that are recessed backward from the docking portion and penetrate the docking portion, and the conductive terminals are provided with Fork-shaped mating end received in the mating cavity.

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