CN101645552B - Electric connector assembly - Google Patents

Abstract

The invention discloses an electrical connector assembly, which comprises a first connector, a second connector and a connecting piece electrically connected with the first connector and the second connector, the rear part of the second connector is provided with Positioning device; the electrical connector assembly also includes a locking device mounted to the first connector, the locking device includes a bottom plate fixed to the first connector and an elastic portion extending from the bottom plate, the elastic portion includes The first elastic arm located on a different plane from the bottom plate and the second elastic arm extending from one side of the first elastic arm and the third elastic arm extending from the other side of the first elastic arm respectively, the second The elastic arm is adjacent to the bottom plate and provides a fulcrum for the compression of the second elastic arm and the deflection of the third elastic arm. The fitting part, the fitting part interferes with the positioning device and provides a stopping point for the second connector.

Description

Electrical Connector Assembly

【Technical field】

The invention relates to an electrical connector assembly, in particular to an electrical connector assembly with a locking device.

【Background technique】

With the continuous development of electronic technology, consumer electronic products are more and more widely used. These electronic products can download data from other data sources, and can also transfer the stored data to other storage devices, such as when connected to a computer. , the two-way transmission of data can be carried out. When audio data needs to be played, the audio output device needs to be connected to the above-mentioned device through an audio interface, and the audio data in the above-mentioned video or audio playback device is played through the audio output device, and the audio output device can be an earphone, a speaker, or have a playback function other equipment. With the miniaturization of existing electronic products, an audio connector is required to realize multiple functions, such as data transmission, audio output, and power input. Therefore, the general electrical connector assembly is to connect the USB connector and the audio connector through a cable so as to realize data transmission and power transmission between the electronic product and the computer, as shown in Chinese Patent Announcement No. CN 2909618Y, but this electrical The cable of the connector assembly will be tangled and not easy to carry. Another example is an audio plug connector, which is directly connected to a USB connector and fixed together by integral molding. However, when an electronic product is connected to a computer through the connector, the electronic product will be suspended outside, thereby When the audio connector is connected to an electronic product, it may fall off or have poor contact.

Therefore, it is indeed necessary to improve the electrical connector assembly to solve the above-mentioned defects in the prior art.

【Content of invention】

The main purpose of the present invention is to provide an electrical connector assembly with a locking device, which can stop and lock the electrical connector assembly in different use states, and enhance its stability in use.

In order to achieve the above object, the present invention adopts the following technical solution: an electrical connector assembly, which includes a first connector, a second connector and a connecting piece electrically connected to the first connector and the second connector, the The rear part of the second connector is provided with a positioning device; the electrical connector assembly also includes a locking device installed on the first connector, and the locking device includes a bottom plate fixed to the first connector and a bottom plate extending from the bottom plate. an elastic portion, the elastic portion includes a first elastic arm located on a different plane from the bottom plate portion, a second elastic arm extending from one side of the first elastic arm, and a third elastic arm extending from the other side of the first elastic arm , the second elastic arm is adjacent to the bottom plate and provides a fulcrum for the compression of the second elastic arm and the deflection of the third elastic arm. A fitting portion is provided at a middle position of the center, and the fitting portion abuts against the positioning device and provides a stop point for the second connector.

Compared with the prior art, the present invention has the following beneficial effects: the electrical connector assembly has a locking device, which can effectively stop and lock the electrical connector assembly in different use states, and enhance the stability of its use sex.

【Description of drawings】

FIG. 1 is a three-dimensional assembled view of the electrical connector assembly of the present invention.

FIG. 2 is a partially exploded view of the electrical connector assembly shown in FIG. 1 .

FIG. 3 is an exploded perspective view of the electrical connector assembly shown in FIG. 1 .

FIG. 4 is a view from another perspective of the electrical connector assembly shown in FIG. 3 .

FIG. 5 is a partially assembled view of the electrical connector assembly shown in FIG. 3 .

FIG. 6 is a view from another perspective of the electrical connector assembly shown in FIG. 5 .

Fig. 7 is a perspective view of the locking device in the electrical connector assembly shown in Fig. 3 .

Fig. 8 is a view from another perspective of the locking device shown in Fig. 7 .

FIG. 9 is a three-dimensional assembled view of the electrical connector assembly shown in FIG. 1 with some components removed.

10 to 11 are schematic diagrams of two other usage states of the electrical connector assembly shown in FIG. 9 .

【Detailed ways】

1 to 3, the electrical connector assembly 100 of the present invention includes a first connector 10, a second connector 20, a connector 30 electrically connecting the first connector 10 and the second connector 20, The locking device 40 and the cover body 50 wrapping the joint of the first connector 10 and the second connector 20 .

3 to 6, the first connector 10 is a USB connector, which includes a body 11, a number of first terminals 12 accommodated in the receiving groove 112 of the body 11, and a socket electrically connected to the first terminals 12. The circuit board 13 and the shielding casing 14 covering the above-mentioned components, the bottom of the shielding casing 14 is not completely closed, so a gap 140 is formed, and the gap 140 is provided with a gap 142 on the side wall 141 of the shielding casing 14 A pair of fixing holes 143 are horizontally arranged above the notch 140 and close to the front end of the shielding case 14 .

The second connector 20 is an audio connector, which has a plug 21 and a plurality of second terminals 23 located at the tail of the plug 21. The tail of the plug 21 and the second terminals 23 are covered with a positioning device 25. The positioning device 25 is generally in the shape of T-shape, which includes a cylindrical rotating shaft 251 and a cylindrical receiving portion 252 , wherein the rear side of the rotating shaft 251 is partially cut off to form a protrusion 254 protruding from the outside. The rotating shaft 251 is wrapped around the second terminal 23, and three recessed parts 253 are provided on its right side. A pair of recessed parts 253b and 253c in the recessed parts 253 are located in the direction perpendicular to the mating direction of the plug 21, and the other recessed part The portion 253a is provided along the mating direction.

The end of the circuit board 13 of the first connector 10 is electrically connected to a connector 30, which is a flexible circuit board and includes a welding piece 31 extending laterally, from one side of the welding piece 31 and along the mating direction of the plug 21. The extended bent portion 32 and the connecting piece 33, wherein the welding piece 31 is welded on the upper surface of the circuit board 13, the tail portion 121 of the first terminal 12 is welded on the other surface of the circuit board 13, and the connecting piece 33 is formed from the bent portion 32. The ends extend transversely, parallel to the soldering tab 31 .

Please refer to Fig. 2 to Fig. 9, the locking device 40 is assembled under the shielding case 14 and fits with the notch 140, the locking device 40 includes a bottom plate 41 at the bottom, from both sides of the bottom plate 41 The protruding portion 42 extending upward, the limiting portion 43 extending upward from the right front end of the bottom plate 41 , and the elastic portion 44 extending forward from the front edge of the bottom plate 41 . The bottom plate 41 is provided with a plurality of positioning holes 411 and a plurality of positioning blocks 412 , the positioning holes 411 are arranged in a triangular shape, and the positioning blocks 412 are arranged in a straight line along the lateral direction to limit the forward movement of the main body 11 . The protruding portion 42 snaps into the notch 142 of the shielding housing 14 , and the protruding portion 42 is located on the periphery of the positioning portion 43 . The elastic portion 44 includes a curved connecting arm 441 bent and extended from the front edge of the bottom plate portion 41, a first elastic arm 442 horizontally extended from the curved connecting arm 441, and upper and lower ends of the first elastic arm 442 respectively. Second and third elastic arms 443 and 444 extending from both sides. The second and third elastic arms 443 and 444 are arc-shaped, and in other embodiments the second and third elastic arms 443 and 444 can be arc-like elastic pieces, and the second elastic arm 443 The size is smaller and the third elastic arm 444 is larger in size, and the ends of the second and third elastic arms 443 , 444 and the first elastic arm 442 are connected together in an "S" shape. A middle position of the third elastic arm 444 is provided with a fitting portion 445 , and the fitting portion 445 is locked in the recessed portion 253 . The end of the second elastic arm 443 abuts against the limiting portion 43, and the limiting portion 43 abuts against the middle of the end of the second elastic arm 443 to provide compression of the second elastic arm 443 and deflection of the third elastic arm 444 and Compression pivot.

The cover body 50 includes an upper cover 51 and a lower cover 52 matched with the upper cover 51. The upper cover 51 and the lower cover 52 have substantially the same shape and structure, and are respectively provided with U-shaped openings 511, 521. The lower cover 52 is close to the opening 521. A stopper 522 is provided at the position of the stopper 522, and the front end of the stopper 522 is an arc-shaped stop surface 5221. At the same time, the lower cover 52 is provided with a plurality of positioning posts 523 corresponding to the positioning holes 411 of the locking device 40, respectively. The structure of the upper cover 51 is similar and will not be repeated here.

During assembly, the first terminal 12 of the first connector 10 is installed in the receiving groove 112 of the main body 11, the main body 11 is installed in the shielding case 14, the tail of the first terminal 12 is welded to the lower surface of the circuit board 13, and the connector 30 The connecting piece 33 of the connecting piece 30 is welded on the second terminal 23 of the second connector 20, the positioning device 25 is overmolded at the connection, and the welding piece 31 of the connecting piece 30 is welded on the upper surface of the circuit board 13, so that the The first connector 10 is electrically connected to the second connector 20 . The clamping device 40 is assembled in the notch 140 below the shielding case 14 , its protruding part 42 snaps into the notch 142 of the shielding case 14 , and the fitting part 445 of the third elastic arm 444 of the elastic part 44 snaps into the rotating shaft 251 The recessed part 253. Place the above-mentioned assembled components in the lower cover 52, insert the positioning column 523 in the lower cover 52 into the corresponding positioning hole 411 of the locking device 40, and place the rotating shaft 251 of the positioning device 25 in the stopper 522 of the lower cover 52. The front of the arc-shaped blocking surface 5221 prevents the rotating shaft 251 from sliding backward. The upper cover 51 is assembled on the lower cover 52 from top to bottom to wrap the connection between the first connector 10 and the second connector 20 , and the positioning post (not shown) in the upper cover 51 is accommodated in the shielding shell 14 in the fixing hole 143. After the upper and lower covers 51, 52 are engaged with each other, the rotating shaft 251 of the positioning device 25 is partially located in the U-shaped openings 511, 521, and the cylindrical receiving portion 252 protrudes outside the openings 511, 521. The block 522 and the front walls of the upper and lower covers 51, 52 rotate around the central axis of the rotating shaft 251 in the space formed.

Referring to FIGS. 9 to 11 , when the electrical connector assembly 100 is placed horizontally (as shown in FIG. 9 ), the fitting portion 445 of the elastic portion 44 is snapped into the recessed portion 253 a to provide a stopping point. When the plug 21 of the second connector 20 is turned counterclockwise, the positioning device 25 rotates accordingly, and the rotating shaft 251 rotates around its cylindrical central axis, so that the fitting part 445 slides out of the recessed part 253a. When the fitting part 445 slides When going out of the recessed portion 253a, because the limiting portion 43 is in contact with the elastic portion 44, the second elastic arm 443 and the third elastic arm 444 of the elastic portion 44 are compressed by an external force and the first elastic arm 442 is inclined backward. ; When the fitting part 445 slides to the recessed part 253b, when there is no external force to squeeze the elastic part, the first, second and third elastic arms 442, 443, 444 are elastically released so that the fitting part 445 moves forward and locks Buckled in the recessed portion 253b, thereby restricting the rotation of the positioning device 25, when the electronic product (not shown) is docked with the second connector 20, the electronic product is located above the electrical connector assembly 100, and the bottom of the electronic product is located at On the cover body 50 of the electrical connector assembly 100 , the cover body 50 has a supporting effect on the electronic product. In addition, the plug 21 can also be rotated clockwise to buckle the engaging portion 445 to the recessed portion 253c. This process is the same as the process of rotating counterclockwise, and will not be repeated here.

Claims (10)

1. electric coupler component, it comprises first connector, second connector and the connector that is electrical connected with first connector and second connector, the described second connector rear portion is provided with positioner; It is characterized in that: described electric coupler component also comprises the positioner that is mounted to first connector, described positioner comprises base plate that is fixed to first connector and the elastic portion that extends to form from base plate, described elastic portion comprises first elastic arm that is positioned at Different Plane with base plate, from extended second elastic arm of first elastic arm, one side and from extended the 3rd elastic arm of the first elastic arm opposite side, described second elastic arm is close to base plate and the fulcrum of compression of second elastic arm and the 3rd elastic arm deflection is provided, described positioner also has the limiting section of the described fulcrum that is used to conflict, the centre position of described the 3rd elastic arm is provided with a fitting portion, and described fitting portion contacts on the positioner and the stop bit point of second connector is provided.

2. electric coupler component as claimed in claim 1, it is characterized in that: described positioner further comprises respectively from the upwardly extending protuberance in base plate both sides and from the upwardly extending limiting section of base plate right side front end, and described elastic portion is extended forward from the leading edge of base plate and formed.

3. electric coupler component as claimed in claim 2, it is characterized in that: described elastic portion further comprises the crooked linking arm that connects the base plate and first elastic arm, the described first elastic arm end, second elastic arm and the 3rd elastic arm are connected S-shaped, and described the 3rd elastic arm size is big and the second elastic arm size is less.

4. electric coupler component as claimed in claim 3 is characterized in that: described limiting section is conflicted and is moved backward with the restriction elastic portion at the terminal middle of second elastic arm.

5. electric coupler component as claimed in claim 4 is characterized in that: described first connector has the shielding casing that the below is provided with the portion of lacking, and described positioner is assembled in the scarce portion of shielding casing.

6. electric coupler component as claimed in claim 1 is characterized in that: described connector is a flexible circuit board.

7. electric coupler component as claimed in claim 1 is characterized in that: described positioner is provided with a rotating shaft with some depressed parts, and described fitting portion is fastened in the different depressed parts and a plurality of stop bit points are provided.

8. electric coupler component as claimed in claim 7 is characterized in that: described rotating shaft is positioned at the horizontal plane perpendicular to the butt joint direction of second connector, and described some depressed parts are positioned at the surface of rotating shaft respectively and are 90 degree along the rotating shaft axle center and are provided with at interval.

9. as each described electric coupler component in the claim 1 to 8, it is characterized in that: described first connector is a USB connector, it has some the first terminals, described the first terminal afterbody is welded with circuit board, and the first terminal is positioned at a side of this circuit board, and described connector is welded in the opposite side of circuit board.

10. electric coupler component as claimed in claim 9 is characterized in that: described second connector is an audio connector, and it has some second terminals, and described connector has the brace that electrically connects with described second terminal.

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