TWI420761B - Electrical connector - Google Patents

Description

Electrical connector

The present invention relates to an electrical connector, and more particularly to an electrical connector that does not cause a wire drop condition during repeated insertion and removal.

The conventional electrical connector, as shown in Taiwan Patent Publication No. M332297, includes an insulating body, a conductive terminal housed in the insulating body, a conductive sheet, a wire electrically connected to the conductive terminal, and a metal case covering the insulating body. The bottom surface of the insulative housing is provided with a receiving cavity for receiving the butting portion of the mating connector and a tongue plate protruding from the middle of the receiving cavity. The upper surface of the insulating body is provided with a plurality of terminal receiving slots, and the conductive terminals received in the tongue plate extend through the entire insulating body. And the wire is disposed in the terminal receiving groove, the wire includes an inner conductor electrically connected to the terminal, and a metal shielding layer electrically connected to the conductive piece, wherein the metal housing is provided with a plurality of elastic pieces extending inwardly, the elastic piece The conductive sheet welded with the metal shielding layer of the wire is pressed to electrically connect and fix the conductive sheet and the cable. However, when the electrical connector is plugged or unplugged, the wire is loosened and dropped, which is not conducive to repeated insertion and removal of the electrical connector.

In view of the above drawbacks, it is necessary to provide an improved electrical connector to address the above disadvantages.

It is an object of the present invention to provide an electrical connector that prevents repeated insertion and removal The wire is disconnected when the connector is electrically connected.

In order to achieve the above object, the electrical connector of the present invention is achieved by:

An electrical connector includes: an insulating body having a longitudinally-shaped wire receiving cavity; a plurality of conductive terminals respectively received in the insulating body; and a plurality of wires received in the wire receiving cavity of the insulating body and having a conductive terminal The inner conductor of the electrical connection and the metal shielding layer; the conductive sheet; the shielding shell is provided with a pair of grounding strips; wherein the inner side of the wire receiving cavity is respectively provided with an opening along the longitudinal direction, and the grounding strips respectively receive The grounding strip, the conductive sheet and the metal shielding layer are fixed together by welding in a corresponding opening and sandwiching a part of the wire with the conductive sheet.

Compared with the prior art, the present invention solders the wire between the conductive piece and the grounding piece of the shielding case respectively fixed on the upper and lower surfaces of the insulating body, and the two grounding pieces are respectively soldered on the conductive piece and the two rows of the wire. At the end, the wire can be restricted from moving up and down, front to back, and left and right, and the situation in which the wire is dropped when the electrical connector is repeatedly inserted and removed can be effectively prevented.

100‧‧‧Electrical connector

1‧‧‧Insulating body

11‧‧‧ Body Department

110‧‧‧ dent

111‧‧‧ accommodating space

112‧‧ ‧Tongue

1121‧‧‧First terminal receiving slot

1122‧‧‧First holding hole

113‧‧‧ welding cavity

1131‧‧‧Second terminal receiving slot

1132‧‧‧Second holding hole

114‧‧‧ interval block

115‧‧‧ wire storage slot

116‧‧‧ Ribs

117‧‧ ‧ gap

118‧‧‧With a hole

119‧‧‧Limited blocks

12‧‧‧ tail

121‧‧‧Wire receiving cavity

1211‧‧‧ openings

1212‧‧‧Support block

122‧‧‧ incision

123‧‧‧Lock block

124‧‧‧through hole

125‧‧‧ receiving holes

2‧‧‧Electrical terminals

21‧‧‧Docking Department

22‧‧‧Weld Department

23‧‧‧First holding end

24‧‧‧second holding end

3‧‧‧Conductor

4‧‧‧ wire

41‧‧‧ Inner conductor

42‧‧‧Insulation

43‧‧‧Metal shielding

44‧‧‧Outer insulation

5‧‧‧ Pulling

61‧‧‧ first housing

611‧‧‧First riser

6111‧‧‧First holding opening

612‧‧‧Second riser

6121‧‧‧Lock pieces

613‧‧‧Connecting piece

614‧‧‧Leading film

615‧‧‧ Grounding piece

616‧‧‧ horizontal board

6161‧‧‧Interference block

617‧‧‧Bumps

62‧‧‧Second housing

621‧‧‧ Main body

622‧‧‧First holding piece

623‧‧‧Second holding piece

624‧‧‧Second holding opening

625‧‧‧Shrap

The first figure is a perspective view of the electrical connector of the present invention.

The second figure is another perspective view of the electrical connector shown in the first figure.

The third figure is an exploded perspective view of the electrical connector of the present invention.

The fourth figure is another angle view of the electrical connector shown in the third figure.

Figure 5 is a perspective assembled view of some of the components of the electrical connector shown in Figure 3.

Figure 6 is a plan view of the insulative housing of the electrical connector shown in Figure 3.

The seventh drawing is a bottom view of the insulating body shown in the sixth figure.

As shown in the first to seventh embodiments, the electrical connector 100 of the present invention includes an insulative housing 1 , a plurality of conductive terminals 2 , an elongated conductive strip 3 , and a plurality of electrically conductive terminals 2 electrically connected to the insulative housing 1 . The wire 4, the draw tape 5 and the shielding case covering the insulating body 1.

The insulative housing 1 includes a main body portion 11 and a tail portion 12. The main body portion 11 defines a receiving space 111 for receiving a mating connector abutting portion (not shown) and a tongue portion 112 protruding downward from an intermediate position of the receiving space 111. A plurality of first terminal receiving slots 1121 are disposed on one side of the tongue portion 112. The first terminal receiving slot 1121 extends through the insulative housing 1. The front end of the tongue portion 112 is provided with a plurality of first ends respectively communicating with the terminal receiving slots 1121. The upper surface of the body portion 11 is provided with a welding cavity 113 and a plurality of spacer blocks 114 behind the welding cavity 113. A plurality of wire receiving grooves 115 are formed between the plurality of spacer blocks 114, and the welding cavity 113 is formed. And a plurality of second terminal receiving slots 1131 corresponding to the first terminal receiving slots 1121 and corresponding to the first terminal receiving slots 1121. The front wall of the soldering chamber 113 is provided with a plurality of second holdings that are in one-to-one correspondence with the second terminal receiving slots 1131 and are in communication with each other. The hole 1132; the front wall of the main body portion 11 is provided with a plurality of ribs 116, and a left and right side walls are respectively provided with a notch 117. The notch 117 is provided with a drawing hole 118 for receiving the two ends of the drawing tape 5 and restricting the free movement of the drawing tape. Limit block 11 9. The two ends of the main body portion 11 are respectively provided with elongated recesses 110.

The tail portion 12 is provided with a longitudinally long wire receiving cavity that communicates with the plurality of wire receiving slots 115. 121. An elongated opening 1211 extending through the entire tail portion is disposed on both sides of the wire receiving cavity 121 in the longitudinal direction, and a supporting block 1212 is disposed between the two openings 1211; the two ends of the upper surface of the tail portion 12 are respectively provided with the wire receiving The conductive plate 3 is received in the wire receiving cavity 121 and covers the opening 1211. The two ends are respectively received in the two slits 122; the lower surface of the tail portion 12 abuts against the rear wall of the body portion 11 A locking block 123 is disposed on the two sides of the locking block 123, and a through hole 124 extending through the tail portion 12 is disposed on each of the two sides of the locking block 123. The left and right sides of the tail portion 12 are respectively provided with a receiving hole 125 extending through the tail portion 12.

The conductive terminal 2 includes an abutting portion 21 received in the first terminal receiving groove 1121, a welded portion 22 extending horizontally from the upper end of the butting portion 21, a first holding end 23 extending horizontally from the other end of the butting portion 21, and an end from the welded portion 22. The second holding end 24 extends horizontally. The front end of the first holding end 23 is received in the corresponding first holding hole 1122. The soldering portion 22 is received in the corresponding second terminal receiving groove 1131. The second holding end 24 is received in the corresponding second holding hole 1132 and is slightly narrower than the welding portion 23 to prevent the conductive terminal 2 from being excessively inserted into the second holding hole 1132.

The wire 4 is a very thin coaxial wire, and includes an inner conductor 41 located at the innermost layer, an inner insulating layer 42 covering the inner conductor 41, a metal shielding layer 43 covering the outer insulating layer 42, and a metal shielding layer 43. The outer insulating layer 44. The inner conductor 41 is soldered to the soldering portion 22 of the conductive terminal 2, and the metal shielding layers 43 of all the wires 4 are soldered to the conductive sheet 3.

The shielding case includes a first housing 61 and a second housing 62 which are respectively pressed from a metal piece.

The first housing 61 is located below the insulative housing 1 and includes a first riser 611 covering the front wall of the main body portion 11 of the insulative housing 1 , a second riser 612 covering the rear wall of the main body portion 11 of the insulative housing 1 , and two a connecting strip 613 connecting the first vertical plate 611 and the second vertical plate 612 respectively, and a plurality of elongated L-shaped guiding pieces extending inward from the bottom end of the first vertical plate 611 and the bottom end of the second vertical plate 612 respectively 614 and one of the pair of ground plates 615 and the pair of cross plates 616 are bent outwardly from the top end of the second riser 612. The barbs 6121 are respectively disposed in the through holes 124 of the insulative housing 1 . A plurality of bumps 617 are respectively disposed on the first vertical plate 611 and the two horizontal plates 616. The first vertical plate 611 is provided with a plurality of first holding openings 6111 respectively for receiving corresponding ribs 116 on the insulating body 1. The edge of the horizontal plate 616 is respectively provided with an upwardly extending interference block 6161. The interference block 6161 is received in the receiving hole 125 of the insulative housing 1 and has protrusions (not labeled) on the two sides thereof for interference fit with the receiving hole 125.

The second housing 62 is located above the insulative housing 1 and includes a main body portion 621 covering the upper surface of the insulative housing 1 , an elongated first holding piece 622 extending downward from the front edge of the main body portion 621 , and the main body portion 621 . An L-shaped second holding piece 623 extending downward from each of the two ends of the edge. Each of the first holding piece 622 and the second holding piece 623 is provided with a plurality of second holding openings 624 , and the plurality of protrusions 617 of the first housing 61 are respectively received in the corresponding second holding openings 624 . The main body portion 621 is provided with a plurality of elastic pieces 625 extending downward respectively.

During the assembly, the conductive terminal 2 is received in the insulative housing 1 , and the abutting portion 21 and the soldering portion 22 are respectively received in the first terminal receiving slot 1121 and the second terminal receiving slot 1131 of the insulative housing 2 . The first holding end 23 and the The second holding ends 24 are respectively received in the first holding holes 1122 and the second holding holes 1132 to fix the conductive terminals 2 in the insulating body 2, and the two connecting pieces 613 are respectively received in the recesses 110; secondly, The first housing 61 is assembled to the insulative housing 1 , and the plurality of ribs 116 are respectively received in the corresponding first holding openings 6111 and a latching action is formed to prevent the first housing 61 from falling off the insulating body 1 . The two interference blocks 6161 are respectively received in the corresponding receiving holes 125 to provide interference. The pair of grounding strips 615 are respectively received in the opening 1211 and form a plane with the supporting block 1212. Again, the wires 4 are assembled to the insulating body 1. The front ends of the wires 4 are respectively received in the corresponding wire receiving slots 115. The inner conductors 41 are respectively soldered to the corresponding soldering portions 22 of the conductive terminals 2, and the metal shielding layer 43 of the wires 4 is exposed to the wires of the insulating body 1. In the receiving cavity 121, the metal shielding layer 43 of the wires 4 on the two sides are respectively soldered to the grounding strip 615 of the first housing 61; then, the conductive sheet 3 is soldered to the metal shielding layer 43 of the wire 4. Conductive sheet The two ends of the three are respectively received in the two slits 122 of the insulative housing 1 to prevent the front and rear from moving. The conductive sheet 3 and the grounding strip 615 are welded together by the metal shielding layer 43 of the solder and the wire 4, the conductive sheet 3 And the grounding piece 615 clamps a part of the wire 4 in the middle, thereby generating a clamping fixing function to prevent the wire 4 from moving up and down and left and right, thereby effectively protecting the connection between the wire 4 and the conductive terminal 2; finally, the second casing And the plurality of the protrusions 617 on the first housing 61 are respectively received in the corresponding second holding openings 624 of the second housing 62 and are held in a holding manner. The second housing 62 is prevented from being detached from the insulating body 1. The plurality of elastic pieces 625 are respectively pressed against the conductive sheet 3. The two ends of the pulling belt 5 are respectively received in the corresponding drawing holes 118.

In summary, the present invention has indeed met the requirements of the invention patent.提出 Submit a patent application in accordance with the law. However, the above description is only the preferred embodiment of the present invention, and equivalent modifications or variations made by those skilled in the art to the spirit of the present invention are intended to be included in the following claims.

3‧‧‧Conductor

4‧‧‧ wire

41‧‧‧ Inner conductor

42‧‧‧Insulation

43‧‧‧Metal shielding

61‧‧‧ first housing

615‧‧‧ Grounding piece

Claims (10)

An electrical connector includes: an insulating body having a longitudinally-shaped wire receiving cavity; a plurality of conductive terminals respectively received in the insulating body; and a plurality of wires received in the wire receiving cavity of the insulating body and having a conductive terminal The inner conductor of the electrical connection and the metal shielding layer; the conductive sheet; the shielding shell is provided with a pair of grounding strips; wherein the inner side of the wire receiving cavity is respectively provided with an opening along the longitudinal direction, and the grounding strips respectively receive The grounding strip, the conductive sheet and the metal shielding layer are fixed together by welding in a corresponding opening and sandwiching a part of the wire with the conductive sheet. The electrical connector of claim 1, wherein the wire receiving cavity is provided with a supporting block, and the supporting block and the grounding piece are located in the same plane and jointly support the wire. The electrical connector of claim 1, wherein the upper surfaces of the two ends of the insulating body are respectively provided with slits communicating with the wire receiving cavity. The electrical connector of claim 3, wherein the two ends of the conductive sheet are respectively fixed in the corresponding slits. The electrical connector of claim 1, wherein the insulative housing further comprises a tongue portion provided with a first terminal receiving groove and a first retaining hole, and the second terminal is disposed on the upper surface of the insulating body. a groove and a second retaining hole. The electrical connector of claim 5, wherein the terminal includes an abutting portion received in the first terminal receiving groove, a welded portion received in the second terminal receiving groove, and a first holding received in the first holding hole. The end and the second holding end received in the second holding hole. The electrical connector of claim 6, wherein the aforementioned welded portion is wider than the second holding end. The electrical connector of claim 1, wherein the shielding housing comprises a first housing and a second housing assembled to the insulative housing from different directions, the grounding piece being formed on the first housing Physically. The electrical connector of claim 8, wherein the insulative housing is provided with a plurality of ribs and a plurality of receiving holes, wherein the first housing is provided with a plurality of first retaining openings for receiving the ribs and is received by A plurality of interference blocks that receive the holes. The electrical connector of claim 8 or 9, wherein the first housing further comprises a plurality of bumps, and the second housing comprises a plurality of second retaining openings for receiving the bumps and is pressed against A shrapnel on a conductive sheet.