TWI661615B - Automotive connector assembly - Google Patents

Abstract

The present invention relates to a vehicle connector assembly having a connector and a circuit board, and a connector The first surface and the second surface are oppositely disposed, and include an insulating body and a conductive terminal. The top wall, the bottom wall and the side wall of the insulating body are arranged to form a docking space, and the inner side of the top wall is provided with a locking portion and protrudes toward the bottom wall. a plurality of fixing portions are formed, and the fixing portions are arranged at intervals in the lateral direction, and an inner side of each side wall protrudes toward the other side wall to form a guiding portion, and a distance between the guiding portion and the top wall and between the guiding portion and the bottom wall The distance between the boards has a third side and a fourth side opposite to each other in the height direction, and the distance between the first side of the connector and the fourth side of the circuit board is smaller than the first side and the second side of the connector The distance between the distance and the distance between the third and fourth faces of the board.

Description

Car connector combination

The present invention relates to a vehicle connector assembly, and more particularly to a highly reduced vehicle connector assembly.

The conventional board-type vehicle connector assembly includes a circuit board and a vehicle connector mounted on the circuit board, so that the height of the aforementioned vehicle connector combination is at least the sum of the height of the connector itself and the height of the circuit board. This combination of automotive connectors is not suitable for use in low-profile applications.

In view of this, it is indeed necessary to further improve the cooperation of the conventional vehicle connector group to solve the above problems.

It is an object of the present invention to provide a vehicle connector assembly that can effectively reduce the height of a product.

In order to achieve the above object, the present invention provides a vehicular connector assembly having a connector and a circuit board mechanically and electrically connected to the connector, the connector having a first face and a first face disposed opposite each other in a height direction thereof The two sides include an insulating body and a plurality of conductive terminals fixed in the insulating body, the insulating body has a top wall, a bottom wall opposite to the top wall, and a pair of sidewalls connecting the top wall and the bottom wall, The top wall, the bottom wall and the side wall surround a docking space for receiving the mating plug connector, and the inner side of the top wall is provided with a latching portion that is buckled with the mating connector and faces the bottom wall And forming a plurality of fixing portions, wherein the plurality of fixing portions are arranged at intervals in the lateral direction, and each of the side walls protrudes toward the other side wall to form a guiding portion, and the distance between the guiding portion and the top wall is the same as the foregoing The distance between the guiding portion and the bottom wall is unequal, and the circuit board has a third surface and a fourth surface disposed opposite to each other in the height direction, wherein the first surface of the connector and the fourth surface of the circuit board The distance between them is smaller than the sum of the distance between the first face and the second face of the aforementioned connector and the distance between the third face and the fourth face of the aforementioned circuit board.

As a further improvement of the present invention, the welding face between the connector and the circuit board is located between the first face and the second face of the connector.

As a further improvement of the present invention, the conductive terminal is in contact with the surface of the pad of the circuit board and forms the soldering surface, and the distance from the soldering surface to the second surface is not more than 1/2 of the connector height.

As a further improvement of the present invention, in the height direction, the third surface and the fourth surface of the circuit board are located between the first surface and the second surface of the connector.

According to a further improvement of the present invention, the insulative housing has a mounting wall connecting the top wall and the rear portion of the bottom wall, and a plurality of terminal slots penetrating the mounting wall in the front-rear direction, and the mounting wall is provided with a front surface protruding from the front end thereof. The plurality of protrusions are inserted into the mating space, and one of the protrusions is interposed between any two adjacent terminal slots in the lateral direction.

According to a further improvement of the present invention, the conductive terminal is inserted into the corresponding terminal slot of the insulative housing from the rear to the front, and the connector further has a cover that is locked to the rear side of the insulative housing to prevent the conductive terminal from retreating.

According to a further improvement of the present invention, the conductive terminal includes a contact portion, an interference portion extending rearward from the contact portion to interfere with the insulating body, and a rear side of the interference portion and along the edge a stopper extending in the lateral direction and a welded portion protruding from the rear side of the insulating body, wherein the stopper is received in the corresponding terminal groove and abuts against the front side of the back cover.

As a further improvement of the present invention, the height of the back cover is smaller than the height of the insulative housing, and the back cover has a matching portion protruding from the two sides in the lateral direction thereof to buckle with the protruding wall on both sides of the insulating body. Positioning.

According to a further improvement of the present invention, the conductive terminal is inserted into the corresponding terminal slot of the insulative housing from the front to the rear, and the stopper of the conductive terminal is located on the front side of the corresponding interference portion and is locked in the mounting wall of the insulative housing.

According to a further improvement of the present invention, the insulative housing has a pair of protruding walls that protrude rearwardly and are disposed opposite each other in the lateral direction, and a recessed groove is formed forwardly from the rear end of the corresponding protruding wall. The foregoing circuit board is rearward. Inserting forwardly into the pair of notches and sandwiching the insulating body between the limiting portions disposed on both sides thereof, the conductive terminals include two rows spaced apart in the height direction, and the circuit board is sandwiched between the two rows Between the welded portions of the aforementioned conductive terminals.

Compared with the prior art, the vehicle connector assembly of the present invention can effectively reduce the height of the product, thereby meeting the use requirements of miniaturization of the product, and at the same time effectively ensuring the stability of the structure and electrical connection of the vehicle connector assembly, wherein the foregoing conductive The terminals are assembled into the insulating body by means of pre-insertion or post-insertion, and interfere with the insulating body by the interference portions disposed on both sides thereof to enhance the stability of the bonding between the conductive terminals and the insulating body, and avoid the docking The connector is detached during the insertion and removal process; in addition, the soldering portion of the conductive terminal is soldered to the circuit board to further enhance the stability of the electrical connection.

100, 200, 300, 400‧‧‧ vehicle connector combinations

First face of 101, 201, 301, 401‧‧

102, 202, 302, 402‧‧‧ second side

103‧‧‧welding surface

11, 21, 31, 41‧‧ ‧ Insulating body

110‧‧‧ docking space

111‧‧‧ top wall

1112‧‧‧Fixed Department

1113‧‧‧Locking Department

112‧‧‧ bottom wall

113‧‧‧ side wall

1131‧‧‧Guide

114, 314‧‧‧ installation wall

1141‧‧‧Terminal slot

1142‧‧‧Protruding

115, 415‧‧‧ protruding wall

12, 22, 32, 42‧‧‧ conductive terminals

121, 221‧ ‧ contact

122, 322‧‧ Interference Department

123, 223, 323 ‧ ‧ stop

124, 224, 324, 424‧‧‧ Weld Department

125, 225‧‧‧ Connections

1251, 2251‧‧‧ first connection

1252, 2252‧‧‧second connection

13, 23, 33, 43‧‧‧ circuit boards

131, 231, 331, 431‧‧‧ third side

132, 232, 332, 432‧‧‧ fourth side

133‧‧‧ solder pads

14, 24 ‧ ‧ back cover

141‧‧‧ base

142‧‧‧Match Department

143‧‧‧through hole

4151‧‧‧ Missing slot

434‧‧‧Limited

The first figure is a perspective assembled view of a first embodiment of the vehicle connector assembly of the present invention.

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

The third figure is an exploded perspective view of the vehicle connector assembly shown in the first figure.

The fourth figure is a perspective view of a set of conductive terminals of the vehicle connector assembly shown in the third figure.

The fifth figure is a view of another set of conductive terminals shown in the fourth figure.

The sixth figure is an assembled view of the connector of the vehicle connector assembly shown in the second figure.

The seventh diagram is the front view of the connector shown in the sixth figure.

8 to 9 are schematic cross-sectional views showing the combination of the vehicle connector shown in the first figure.

Figure 11 is a perspective assembled view of a second embodiment of the vehicle connector assembly of the present invention.

Figure 11 is a cross-sectional view showing the combination of the vehicle connector shown in the tenth figure.

Figure 12 is a perspective assembled view of a third embodiment of the vehicle connector assembly of the present invention.

Figure 13 is a cross-sectional view showing the combination of the vehicle connector shown in Figure 12.

The fourteenth figure is a partial assembly diagram of the vehicle connector assembly shown in Fig. 12 after the insulating body is removed.

Fig. 15 is a perspective assembled view of a fourth embodiment of the vehicle connector assembly of the present invention.

Figure 16 is a cross-sectional view showing the combination of the vehicle connector shown in Figure 15.

Referring to FIG. 1 to FIG. 9 , a first embodiment of the vehicle connector assembly of the present invention is provided. The vehicle connector assembly 100 has a connector and a circuit board 13 mechanically and electrically connected to the connector. The connector has a first surface 101 and a second surface 102 disposed opposite to each other in a height direction thereof, and includes an insulative housing 11 and a plurality of conductive terminals 12 fixed in the insulative housing 11. In this embodiment, the first surface 101 of the connector is an upper end surface of the insulating body 11, and the second surface 102 is below the insulating body 11. End face.

Referring to the first to third and sixth to ninth embodiments, the insulative housing 11 has a top wall 111, a bottom wall 112 disposed opposite the top wall 111, and the top wall 111 and the bottom wall 112. One of the pair of side walls 113, the top wall 111, the bottom wall 112 and the pair of side walls 113 enclose a docking space 110 for receiving a mating plug connector (not shown), and the inner side of the top wall 111 protrudes toward the bottom wall 112. A plurality of fixing portions 1112 are formed, and the plurality of fixing portions 1112 are arranged at intervals in the lateral direction to guide the insertion and the position of the mating connector. The inner side of the top wall 111 is further provided with a locking portion 1113 for snap-fitting with the locking protrusion on the mating connector, so that the vehicle connector assembly 100 and the docking connector are stably combined, thereby preventing the vehicle from running. The medium vibration causes the aforementioned vehicle connector assembly 100 to be loose from the docking connector and poor in electrical contact. In the embodiment, the latching portion 1113 is a step portion disposed near the front edge of the top wall 111, and the latching projection of the mating connector passes over and hooks to the rear side of the latching portion 1113.

A guiding portion 1131 is formed on the inner side of each of the side walls 113 toward the other side wall 113. The distance between the guiding portion 1131 and the top wall 111 is not the distance between the guiding portion 1131 and the bottom wall 112. Wait.

The insulative housing 11 further has a mounting wall 114 connecting the top wall 111 and the rear portion of the bottom wall 112, and a plurality of terminal slots 1141 extending through the mounting wall 114 in the front-rear direction. The mounting wall 114 is provided with a front surface protruding from the front end thereof. The plurality of protrusions 1142 are disposed in the mating space 110, and one of the protrusions 1142 is interposed between any two adjacent terminal slots 1141 in the lateral direction, such that the protrusions 1142 and the terminals are The slots 1141 are alternately circulated, thereby increasing the arc creep distance of the conductive terminals 12, avoiding the occurrence of a flashover phenomenon and causing the insulating body 11 to melt or the conductive terminals 12 to be damaged.

Referring to FIG. 2 to FIG. 5 , the foregoing conductive terminal 12 and the aforementioned terminal slot 1141 In one-to-one correspondence, each of the foregoing conductive terminals 12 includes a contact portion 121, an interference portion 122 extending rearward from the contact portion 121 to interfere with the insulative housing 11, and a stop extending in the lateral direction on the rear side of the interference portion 122. The portion 123 and the welded portion 124 exposed on the rear side of the insulating body 11.

According to the contact portion 121 of the conductive terminal 12, the conductive terminals 12 can be divided into two rows, and the conductive terminals 12 of the upper row and the conductive terminals 12 corresponding to the lower row are a group, wherein the upper and lower rows of conductive terminals 12 The contact portions 121 are arranged at intervals in the height direction.

The conductive terminal 12 further has a connecting portion 125 connecting the soldering portion 124 to the stopping portion 123. In the embodiment, the connecting portion 125 is L-shaped, and the end surface extends rearward from the rear end portion of the stopping portion 123. The lower connecting portion is formed to be divided into a first connecting portion 1251 extending in the horizontal direction and a second connecting portion 1252 extending from the rear end of the first connecting portion 1251 to the lower side.

The second connecting portion 1252 of the upper row of conductive terminals 12 extends in a vertical direction, and the second connecting portion 1252 of the lower row of conductive terminals 12 extends obliquely downward and rearward in a direction at an angle to the vertical direction. Further, in the embodiment, the soldering portion 124 of the conductive terminal 12 is located on the lower side of the contact portion 121 of the lower row of conductive terminals 12.

Further, in the present embodiment, in the height direction, the welded portions 124 of the two rows of the aforementioned conductive terminals 12 are disposed at a height and arranged in a row in the lateral direction.

Referring to the first to third figures, and in combination with the eighth figure, the circuit board 13 has a third surface 131 and a fourth surface 132 disposed opposite to each other in the height direction, and the first surface 101 of the connector and the foregoing circuit The distance L1 between the fourth faces 132 of the board 13 is smaller than the distance L2 between the first face 101 and the second face 102 of the aforementioned connector and the distance between the third face 131 and the fourth face 132 of the aforementioned circuit board 13. The sum of L3.

The soldering surface 103 between the aforementioned connector and the circuit board 13 is located between the first side 101 and the second side 102 of the connector.

The upper surface of the circuit board 13 is provided with a plurality of pads 133. The pads 133 are arranged in a row in the lateral direction. The conductive terminals 12 are in contact with the upper surface of the pad 133 to form the soldering surface 103. The soldering surface 103 is formed. The distance to the second surface 102 is not greater than 1/2 of the connector height. The lower surface of the soldering portion 124 is flush with the upper surface of the solder pad 133, and both of the soldering surfaces 103 are formed.

In the height direction, the third surface 131 and the fourth surface 132 of the circuit board 13 are located between the first surface 101 and the second surface 102 of the connector. Further, in the embodiment, the fourth surface 132 and the second surface 102 are disposed coplanar.

Referring to FIG. 2 to FIG. 5 and FIG. 8 and FIG. 9 , in the embodiment, the conductive terminal 12 is inserted into the corresponding terminal slot 1141 of the insulative housing 11 from the rear to the front. The device also has a cover 14 that is locked to the rear side of the insulative housing 11 to prevent the conductive terminal 12 from retreating.

The back cover 14 has a substantially rectangular base body 141 and a mating portion 142 protruding from the two sides in the lateral direction. The insulative housing 11 has a pair of projecting walls 115 projecting rearwardly and facing each other in the lateral direction. The engaging portion 142 is buckled and positioned with the protruding wall 115 on both sides of the insulating body 11 .

The back cover 14 is provided with a plurality of through holes 143 extending through the front and rear directions. The through holes 143 are respectively aligned with the terminal slots 1141 and aligned in the front-rear direction. The height of the rear cover 14 is smaller than that of the insulative housing 11 The height is placed vertically at the rear end of the mounting wall 114 of the insulative housing 11 .

The first connecting portion 1251 of the conductive terminal 12 is inserted into and received in the corresponding through hole 143. The second connecting portion 1252 of the upper conductive terminal 12 is located on the rear side of the rear cover 14 and is attached to the rear surface of the rear cover 14. .

The stopper portion 123 of the conductive terminal 12 is received in the corresponding terminal slot 1141 and abuts The front side of the front cover 14 is front.

Referring to the tenth to eleventh drawings, in the second embodiment of the vehicle connector assembly of the present invention, the insulative housing 21, the conductive terminal 22, the circuit board 23 and the back cover of the aforementioned vehicle connector assembly 200 are shown. 24 is the same as in the first embodiment, the conductive terminals 22 are also assembled into the insulative housing 21 from the rear to the front, and the distance between the first surface 201 of the connector and the fourth surface 232 of the circuit board 23 is smaller than the foregoing. The distance between the first face 201 and the second face 202 of the connector and the distance between the third face 231 and the fourth face 232 of the aforementioned circuit board 23. In addition, in the height direction, the third surface 231 and the fourth surface 232 of the circuit board 23 are also located between the first surface 201 and the second surface 202 of the connector. The details are not described here, and the following mainly explains the differences between the two embodiments.

In the present embodiment, unlike the first embodiment, the first surface 201 of the connector in the vehicular connector assembly 200 is the lower end surface of the insulating body 21, and the second surface 202 is the upper end surface of the insulating body 21.

Moreover, the connecting portion 225 of the conductive terminal 22 is also L-shaped, and extends from the rear end portion of the stop portion 223 to the rear end portion and then extends upward to be divided into a first connecting portion 2251 extending in the horizontal direction and the first connecting portion. The rear end of the 2251 is bent to extend to the second connecting portion 2252. In the height direction, the soldering portion 224 of the conductive terminal 22 is located on the upper side of the contact portion 221 of the upper row of conductive terminals 22. Similarly, the lower surface of the aforementioned soldering portion 224 is in contact with the upper surface of the pad of the circuit board 23 and forms the aforementioned soldering surface.

Referring to the twelfth to fourteenth drawings, in the third embodiment of the vehicle connector assembly of the present invention, the insulative housing 31, the conductive terminal 32 and the circuit board 33 of the aforementioned vehicle connector assembly 300 are both Similar or identical in the first embodiment, the distance between the first face 301 of the connector of the aforementioned vehicular connector assembly 300 and the fourth face 332 of the aforementioned circuit board 33 is smaller than the first face 301 and the second of the aforementioned connector The distance between the faces 302 and the sum of the distances between the third face 331 and the fourth face 332 of the aforementioned circuit board 33. At the same time, at the height In the direction, the third surface 331 and the fourth surface 332 of the circuit board 33 are also located between the first surface 301 and the second surface 302 of the connector. Other similar structures are not described herein again. The difference is that in the embodiment, the conductive terminals 32 are inserted into the corresponding terminal slots of the insulative housing 31 from the front to the rear, and the soldering portions 324 of the conductive terminals 32 are inserted downward and soldered to the same. The corresponding circuit board 33 is disposed in the corresponding soldering hole. In other embodiments, the soldering portion 324 may also extend in the horizontal direction to be flat on the pads of the circuit board, like the soldering portions 124, 224 in the first and second embodiments.

In this embodiment, the stopper portion 323 of the conductive terminal 32 is located on the front side of the corresponding interference portion 322, and is locked at a position forward of the interior of the mounting wall 314 of the insulating body 31.

Referring to FIG. 15 and FIG. 16 , in the fourth embodiment of the vehicle connector assembly of the present invention, the insulative housing 41 , the conductive terminal 42 and the circuit board 43 of the aforementioned vehicle connector assembly 400 are both Similarly, in the third embodiment, the distance between the first face 401 of the connector of the aforementioned vehicular connector assembly 400 and the fourth face 432 of the aforementioned circuit board 43 is smaller than the first face 401 and the second face 402 of the aforementioned connector. The distance between the distance and the distance between the third face 431 and the fourth face 432 of the aforementioned circuit board 43. In addition, in the height direction, the third surface 431 and the fourth surface 432 of the circuit board 43 are also located between the first surface 401 and the second surface 402 of the connector.

Other similar structures are not described herein again. The difference is that in the embodiment, the insulative housing 41 has a rearward projecting portion and a pair of protruding walls 415 disposed opposite to each other in the lateral direction and a rear end from the corresponding protruding wall 415. The recess forms one of the pair of slots 4151, and the circuit board 43 is inserted into the pair of slots 4151 from the rear to the front and the insulative housing 41 is sandwiched between the limiting portions 434 disposed on both sides thereof.

The conductive terminal 42 includes two rows spaced apart in the height direction. The circuit board 43 is sandwiched between the soldering portions 424 of the two rows of the conductive terminals 42. The soldering portions 424 of each row of the conductive terminals 42 are respectively connected to the circuit board 43. The third surface 431 or the fourth surface 432 is in contact to form a solder on both sides of the aforementioned circuit board 43 Junction.

The combination of the vehicle connectors in the embodiments of the present invention can effectively reduce the height of the product, thereby satisfying the use requirements of miniaturization of the product, and effectively ensuring the stability of the structure and electrical connection of the vehicle connector assembly, wherein the foregoing conductive The terminals are assembled into the insulating body by means of pre-insertion or post-insertion, and interfere with the insulating body by the interference portions disposed on both sides thereof to enhance the stability of the bonding between the conductive terminals and the insulating body, and avoid the docking The connector is detached during the insertion and removal process; in addition, the soldering portion of the conductive terminal is soldered to the circuit board to further enhance the stability of the electrical connection.

It is to be understood that the equivalents of the invention are intended to be included within the scope of the invention as claimed.

Claims (10)

A vehicular connector assembly having a connector and a circuit board mechanically and electrically connected to the connector, the connector having a first surface and a second surface disposed opposite to each other in a height direction thereof, and including an insulating body and a fixing In the plurality of conductive terminals in the insulating body, the insulating body has a top wall, a bottom wall disposed opposite to the top wall, and a pair of sidewalls connecting the top wall and the bottom wall, and the top wall, the bottom wall and the side wall are surrounded Forming a docking space for accommodating the mating plug connector, wherein the inner side of the top wall is provided with a latching portion that is engaged with the mating connector and a plurality of fixing portions that are formed to protrude toward the bottom wall, and the plurality of fixing portions are spaced apart in the lateral direction Arranging, a guiding portion is formed on an inner side of each of the side walls toward the other side wall, and a distance between the guiding portion and the top wall is different from a distance between the guiding portion and the bottom wall, and the circuit board is The third surface and the fourth surface are disposed opposite to each other in the height direction, wherein a distance between the first surface of the connector and the fourth surface of the circuit board is smaller than a length of the connector And the distance between the third surface and the fourth surface and the distance between the surface of the circuit board and the second surface. The vehicular connector assembly of claim 1, wherein the soldering surface between the connector and the circuit board is located between the first surface and the second surface of the connector. The vehicular connector assembly according to claim 2, wherein the conductive terminal is in contact with the surface of the pad of the circuit board and forms the soldering surface, and the distance between the soldering surface and the second surface is not more than 1/2. Connector height. The vehicular connector assembly according to claim 3, wherein the third surface and the fourth surface of the circuit board are located between the first surface and the second surface of the connector in the height direction. The vehicular connector assembly of claim 3, wherein the insulative housing has a mounting wall connecting the top wall and the rear portion of the bottom wall, and the mounting wall is penetrated in the front-rear direction. a plurality of terminal slots, wherein the mounting wall is provided with a plurality of protruding portions protruding from the front end surface thereof into the mating space, and in the lateral direction, between the two adjacent terminal slots Highlights. The vehicular connector assembly of claim 3, wherein the conductive terminal is inserted into the corresponding terminal slot of the insulative housing from the rear to the front, and the connector further has a latching on the rear side of the insulative housing to prevent The conductive terminal is backed up and then covered. The vehicular connector assembly according to claim 6, wherein the conductive terminal comprises a contact portion, an interference portion extending rearward from the contact portion to interfere with the insulating body, located at a rear side of the interference portion and in a lateral direction a stopper extending in the direction and a welded portion protruding from the rear side of the insulating body, wherein the stopper is received in the corresponding terminal groove and abuts against the front side of the back cover. The vehicular connector assembly according to claim 6, wherein the height of the rear cover is smaller than the height of the insulating body, and the rear cover has a fitting portion protruding from both sides in a lateral direction thereof to The protruding wall on both sides of the insulating body is buckled and positioned. The vehicular connector assembly according to claim 3, wherein the conductive terminal is inserted into the corresponding terminal slot of the insulating body from the front to the rear, and the stopper of the conductive terminal is located at the front side of the corresponding interference portion, and is locked. In the installation wall of the foregoing insulating body. The vehicular connector assembly of claim 3, wherein the insulative housing has a rearward projecting portion and a pair of protruding walls disposed opposite each other in the lateral direction and a recessed forward from the rear end of the corresponding projecting wall. For the vacant slot, the circuit board is inserted into the pair of vacant slots from the rear to the front and the insulating body is sandwiched between the limiting portions disposed on the two sides thereof, and the conductive terminals include two spaced apart in the height direction. In the row, the circuit board is sandwiched between the soldering portions of the two rows of the aforementioned conductive terminals.