CN102035094B - Electric connector and manufacturing method thereof - Google Patents

Abstract

The invention discloses an electrical connector and a manufacturing method thereof, comprising a first insulator provided with a first accommodating space, a second insulator provided with several grooves, several first terminals, and an insulator covering the first insulator The outer shielding shell, the second insulator is installed in the first accommodating space and protrudes from one end of the first insulator to form a butt end of the electrical connector, each first terminal has a The holding part, the contact part extending from one end of the holding part, and the welding part extending from the other end of the holding part; the side of the holding part of the first terminal is provided with a wing part, and the first insulator is provided with an abutting part abutting against one side of the wing part part, the first terminal can be better attached to the second insulator, so that the first terminal can be better positioned.

Description

Electric connector and manufacture method thereof

[technical field]

The present invention relates to a kind of electric connector, relate in particular to the electric connector of a kind of improved terminal location.

[background technology]

Universal serial bus (USB) electric connector is widely used in the various electronic such as computer, digital camera, game machine.The Taiwan application for a patent for invention discloses No. 200919842 and has disclosed a kind of USB electric connector, this electric connector comprises insulating body, some terminals and shielding casing, wherein insulating body has protruded out forward hyoplastron, hyoplastron is provided with the conduit that runs through the insulating body front and back, terminal is inserted in conduit along fore-and-aft direction from an end of insulating body, the both sides of terminal fixing section are provided with protruding thorn, protruding thorn and channel wall interference engagement and make terminal fixing.Above-mentioned protruding thorn can prevent that terminal breaks away from from conduit, but relatively is difficult to make the holding parts of terminal and hyoplastron to fit tightly.Therefore, the fixing mode of terminal is improved.

[summary of the invention]

Technical problem to be solved by this invention is: electric connector and manufacture method thereof that a kind of better positioning terminal is provided.

For addressing the above problem, the present invention adopts following technical scheme: a kind of electric connector, comprise the first insulator that is provided with the first accommodation space, the second insulator that is provided with several conduits, several the first terminal and be covered in outer shielding casing on the first insulator, described the second insulator is installed in described the first accommodation space and protrudes out an end of the first insulator and form the butt end of electric connector, and each the first terminal has the holding parts that is placed in conduit, the contact site that extends from holding parts one end and the weld part that extends from the holding parts other end; Described the first terminal is installed on downwards in conduit from the top of the second insulator, and the side of the first terminal holding parts is provided with alar part, and the first insulator is provided with the abutting part that connects with alar part one side.

Compared with prior art, the present invention has following beneficial effect: the alar part of the abutting part butt the first terminal of the first insulator, and the first terminal and the second insulator are better fitted, thereby the first terminal can be located preferably.

A kind of manufacture method of electric connector, comprise the steps: to provide the first insulator, the second insulator and the first terminal with accommodation space, wherein the second insulator has conduit, be provided with protuberance in conduit, the first terminal has through hole and is positioned at the alar part of the first terminal both sides, and the first insulator has the abutting part that protrudes into accommodation space; The first terminal is installed in the conduit of the second insulator, makes protuberance run through the through hole of the first terminal; The second insulator is installed in the accommodation space of the first insulator, abutting part and the alar part of the first terminal are compressed mutually.

Compared to prior art, the present invention has following effect: by the first terminal first is assembled into the second insulator, thereby in advance the first terminal is located, then the second insulator is assembled in the first insulator, the abutting part of the first insulator is connected on the alar part of the first terminal, the first terminal and the second insulator are better fitted, thereby the first terminal can be located preferably.

[description of drawings]

Fig. 1 is the three-dimensional combination figure of electric connector of the present invention;

Fig. 2 is the decomposed figure of electric connector of the present invention;

Fig. 3 is the decomposing schematic representation that electric connector of the present invention removes shielding casing;

Fig. 4 is and the similar exploded view of Fig. 3 that its angle from Fig. 3 is different;

Fig. 5 is the cutaway view along A-A line shown in Figure 3;

Fig. 6 is the cutaway view along B-B line shown in Figure 3;

Fig. 7 is the assembling rearview of the first insulator, the 3rd insulator and part terminal shown in Figure 3;

Fig. 8 is the stereogram of the second insulator and part terminal.

[embodiment]

See also shown in Figure 1ly, a kind of execution mode provided by the present invention is stack-type electric connector, and it has two docking ports 100,100 ' in up and down.The end that this electric connector has docking port is butt end, because of butt end general near the user, so butt end also referred to as front end, the other end relative with butt end is called rear end.

See also shown in Figure 2, electric connector comprises the first insulator 1, be installed on the second insulator 2, the 3rd insulator 3 in the first insulator 1, the location-plate 4 that is assembled in the first insulator 1 rear end, the outer shielding casing 5 that is covered in first insulator 1 outside, interior shielding casing 6 and be installed on the rear shield 7 in first insulator 1 outside, rear end, wherein second, third insulator fixing has some terminals, and location-plate 4 is for terminal is further located.

See also Fig. 3 and shown in Figure 4, the first insulator 1 is provided with first, second two accommodation spaces 10,10 ', two accommodation space up and down deployings, the first accommodation space 10 is arranged in the upside of the second accommodation space 10 ' (at Fig. 3 and Fig. 4, the 3rd insulator 3 is to be installed in the second accommodation space), these two accommodation space almost parallels, and front and back connect the first insulator 1, be provided with partition board portion 11 between two accommodation spaces, this partition board portion 11 protrudes out forward and forms a cantilever.See also Fig. 4, Fig. 5, Fig. 6 and Fig. 7, the upper wall of the first accommodation space 10 convexes with downwards that several abutting part 12, the second accommodation spaces 10 ' are the same with the first accommodation space arranges essentially identical abutting part 12 ', therefore the second accommodation space is not repeated.

See also Fig. 8, the second insulator 2 roughly is tabular, which is provided with several conduits 20, is provided with protuberance 201 in each conduit 20 and is positioned at the breach 202 of protuberance both sides, and the both sides of each protuberance 201 are provided with projection 203.The terminal that is retained on the second insulator 2 comprises the first terminal 21 and the second terminal 22.The first terminal 21 has the holding parts 211 of lengthwise, the contact site 212 that extends forward from holding parts 211 reaches the weld part 213 that extends from holding parts 211 other ends bendings, and holding parts 211 is provided with through hole 210, and the both sides of through hole 210 are provided with alar part 214.

During assembling, described the first terminal 21 is to be installed on downwards in conduit 20 from the top of the second insulator 1, make protuberance 201 run through through hole 210 and mutual interference engagement, the projection 203 that the sidepiece of protuberance 201 is provided with has guaranteed the interference engagement effect of protuberance 201 with through hole 210, alar part 214 is placed in breach 202, thereby terminal is located on fore-and-aft direction.The second terminal 22 is one-body molded with the second insulator 2, thereby is embedded in the second insulator 2.The second terminal 22 has the contact site 222 of contact site 212 front sides that are positioned at the first terminal 21 and extends the weld part 223 of the second insulator 2, weld part 223 be positioned at the first terminal 21 weld part 213 front side and form before and after two rows.Shown in the 3rd figure, the second insulator 2 inserts in the first accommodation space 10 from rear, the front end of the second insulator 2 protrudes out forward roughly and aligns with partition board portion 11, abutting part 12 was connected to alar part 214 upsides of the first terminal 21 and made the first terminal 21 be adjacent to the second insulator 2 this moment, the first terminal 21 is also located by this on above-below direction, described protuberance 201 is between abutting part 12.Shown the state that the alar part 314 of abutting part 12 ' in the second accommodation space 10 ' and the 3rd terminal connects in Fig. 5 and Fig. 6, the abutting part 12 in the first accommodation space 10 is identical therewith with the state that the alar part of the first terminal connects.The second insulator 2 is installed in the first accommodation space 10 and forms the first docking port 100, for banjo, docks.

The shape of the 3rd insulator 3 and the second insulator 2 are roughly the same, the terminal that is immobilizated on the 3rd insulator 3 comprises the 3rd terminal 31 and the 4th terminal 32, the 3rd terminal 31, the 4th terminal 32 are compared respectively weld part only from the first terminal 21, the second terminal 32 bending mode is different, all the other structures are roughly the same, therefore repeat no more, therefore the second docking port 100 ' of the 3rd insulator 3 insertion the second accommodation spaces 10 ' formation is identical with the first docking port, the banjo identical with the first docking port of can pegging graft.The second insulator 2 and the 3rd insulator 3 and partition board portion 11 three's almost parallels, and partition board portion 11 is between the second insulator 2, the 3rd insulator 3.The second insulator 2 and the 3rd insulator 3 all have two kinds of terminals, and form two rows before and after the contact site of two kinds of terminals, can dock from the plug at two kinds of different interfaces, take the second insulator 2 as example, when the first plug inserted, only the first terminal 21 was with its electric connection and signal transmission; When the second plug inserts, the first terminal 21 and the second terminal 22 all with its electric connection signal transmission.

See also Fig. 3 and shown in Figure 4, location-plate 4 is provided with three registration holes 40.This location hole 40 is relative respectively at the weld part of first, second, third terminal, the bottom-up rear end that is assembled in the first insulator 1, and the weld part of first, second, third terminal is placed in respectively in location hole 40 and has better locating effect.

See also the outside that the outer shielding casing 5 of Figure 1 and Figure 2 is covered in the first insulator 1, interior shielding casing 6 is coated on partition board portion 11, rear shield 7 is covered in the rear side of location-plate 4, and two shielding casings and rear shield form when good shielding makes the terminal signal transmission and avoid outside electromagnetic interference the terminal in electric connector.

In summary it can be seen, the manufacture method of electric connector of the present invention comprises: the first insulator 1, the second insulator 2 and the first terminal 21 with accommodation space are provided, wherein the second insulator has conduit 20, be provided with protuberance 201 in conduit, alar part 214, the first insulators that the first terminal has through hole 210 and is positioned at the first terminal both sides have the abutting part 12 that protrudes into accommodation space; The first terminal is installed in the conduit of the second insulator, makes protuberance 201 run through the through hole 210 of the first terminal; The second insulator is installed in the accommodation space of the first insulator, abutting part and the alar part of the first terminal are compressed mutually.

Claims (9)

1. An electrical connector, comprising a first insulator provided with a first accommodating space, a second insulator provided with several grooves, several first terminals and an outer shielding shell covering the first insulator, The second insulator is installed in the first accommodating space and protrudes from one end of the first insulator to form a butt end of the electrical connector. Each first terminal has a holding portion accommodated in the groove, and is self-holding. The contact part extending from one end of the part and the welding part extending from the other end of the holding part are characterized in that: the side of the holding part of the first terminal is provided with a wing part, the groove is provided with a gap for accommodating the wing part, and the first insulator An abutment part is provided, the first terminal is installed in the channel from above the second insulator downwards so that the wings are restricted in the notch, the second insulator body is inserted into the first accommodating space from the rear, and the abutment part is from the Up and down against one side of the wing. 2. The electrical connector according to claim 1, wherein the second insulator is provided with a convex portion located in the channel, the holding portion of the first terminal is provided with a through hole, and the convex portion penetrates through the through holes. Cooperate. 3. The electrical connector as claimed in claim 2, wherein the abutting portion protrudes into the first accommodating space, and the convex portion is located between the abutting portions. 4. The electrical connector according to claim 1, wherein the second insulator is embedded with second terminals, each second terminal has a contact portion located in front of the contact portion of the first terminal, and is embedded in the first terminal. The main body part inside the second insulator and the welding part extending out of the second insulator. 5. The electrical connector according to any one of claims 1 to 4, characterized in that: the first insulator has a second accommodating space, and there is a partition between the first accommodating space and the second accommodating space a plate portion, the partition portion protrudes toward the butt end, the electrical connector includes a third insulator installed with terminals, the third insulator is installed in the second accommodating space, and protrudes toward the butt end , the partition part is located between the second insulator and the third insulator. 6. The electrical connector according to claim 5, wherein the third insulator is provided with a groove, and the groove is provided with a protrusion, and the terminal installed on the third insulator includes a third terminal, the third The terminal includes a holding part with a through hole installed in the channel, a contact part extending from the holding part, and a welding part. The convex part of the third insulator penetrates through the through hole of the third terminal to cooperate with each other. The holding part of the third terminal Wings are provided on both sides, and the first insulator is provided with an abutting portion protruding into the second accommodating space and abutting against the wings of the third terminal. 7. The electrical connector according to claim 6, wherein the terminal of the third insulator further includes a fourth terminal embedded in the third insulator, and the fourth end has a contact on the front side of the contact portion of the third terminal. department. 8. The electrical connector according to claim 7, characterized in that: the electrical connector comprises a positioning plate mounted on the first insulator, the positioning plate is provided with three rows of positioning holes, the first terminal, the second terminal and the second The three terminals are respectively inserted into the positioning holes. 9. A method of manufacturing an electrical connector, comprising the steps of: Provide a first insulator, a second insulator and a first terminal with accommodating space, wherein the second insulator has a channel, and the channel is provided with a protrusion and notches on both sides of the protrusion, the first terminal has a through hole and is located on the second The wings on both sides of a terminal, the first insulator has an abutting portion protruding into the accommodating space; Installing the first terminal in the channel of the second insulator so that the protrusion passes through the through hole of the first terminal, and the wing is limited in the notch; The second insulator is installed in the accommodating space of the first insulator, so that the abutting portion abuts against the wing portion of the first terminal.

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