JP7286748B2 - First connector, second connector, and connector assembly - Google Patents

Description

FIELD OF THE DISCLOSURE The present disclosure relates to the field of electrical connectors and, more particularly, to a first connector, a second connector, and a connector assembly with reliable locking.

Chinese Patent No. 104425971 discloses a connector device consisting of a first connector and a second connector that can be mated with each other, the first connector comprising a first terminal and a first terminal. an outer case, the second connector having second terminals connectable to the first terminals when the first connector and the second connector are mated together; and a second outer casing. a case, the second outer case having a protruding edge portion, the protruding edge portion mating with the first connector on the side where the first connector mates with the second connector; A surface is formed, a first outer case having a locking portion, the locking portion bearing on the first outer case by a shaft and rotatable and having a free end, the locking portion rotates relative to the first outer case so as to be locked by the locked portion of the second outer case, thereby maintaining mating between the first and second connectors. , the first outer case further comprises a support portion, the support portion being proximate to a free end opposite the side of the locking portion where the locking portion is provided on the shaft of the first outer case to be locked; supporting a locking portion locked by the portion, the supporting portion allowing the first connector to engage the protruding edge portion when the first connector and the second connector are mated together on the side facing the second connector; It has a thickness that allows it to be reached.

In such a lock design, the locked part is integrally formed by the second outer case of plastic material, the structural strength of the locked part is low, and if the locked part is subjected to excessive force, the locked part are easily damaged, resulting in lock failure.

The technical problem to be solved by the present disclosure is to provide a first connector, a second connector and a connector assembly with high locking reliability to overcome the deficiencies existing in the above prior art. is.

According to one aspect of the present disclosure, the present disclosure provides a first connector that can be correspondingly locked with a second connector, the first connector being an insulative housing, the insulative housing an insulative housing having a top surface with a first mating cavity and a bottom surface of the insulative housing with a second mating cavity; and a plurality of first conductive terminals, wherein the first conductive A terminal is secured to the insulative housing with a top end of the first conductive terminal extending upwardly into the first mating cavity and a bottom end of the first conductive terminal extending upwardly into the first mating cavity. a plurality of first conductive terminals extending downward into the two mating cavities and a metal locking plate embedded in the insulative housing, an intermediate portion of the metal locking plate defining an opening; wherein a plurality of first conductive terminals pass vertically through the opening, and a locking mechanism protrudes upward on each of two sides of the opening in the metal locking plate; , provided.

According to another aspect of the present disclosure, the present disclosure provides a second connector that can be correspondingly locked by a first connector, the second connector being secured to a terminal base and the terminal base. a plurality of second conductive terminals, each second conductive terminal having a mating portion and a wire connecting portion; and an outer cover covering the terminal base, wherein two pivot grooves are provided on two sides of the outer cover and vertically penetrated, and the outer cover is outwardly A locking component comprising an outer cover further comprising at least one locking projection protruding, a body, and two locking arms respectively bent from two sides of the body, the locking arms comprising: , each of which can be pivotally received in two pivot grooves, each locking arm correspondingly locking a pivot portion pivotally connected with the outer cover and the first connector. and at least one locking elastic piece extends inwardly from the body and is locked by a locking projection such that the locking component is maintained in a locked state. a locking component with which the elastic piece can be stopped.

According to yet another aspect of the present disclosure, the present disclosure provides a connector assembly comprising the first connector described above and the second connector described above; the two locking mechanisms of the connector are correspondingly inserted into the two pivot grooves of the second connector and correspondingly locked by the two locking openings of the locking component of the second connector; The first conductive terminals of the second connector mate with mating portions of corresponding second conductive terminals of the second connector.

According to yet another aspect of the present disclosure, the present disclosure provides a connector assembly comprising an insulative housing and a plurality of first conductive terminals secured to the insulative housing. 1 connector, wherein the top surface of the insulative housing includes a first mating cavity, the bottom surface of the insulative housing includes a second mating cavity, and the first conductive terminals are pin-shaped. wherein upper ends of the plurality of first conductive terminals project upwardly into the first mating cavity, and lower ends of the plurality of first conductive terminals protrude upwardly into the second mating cavity. A first connector projecting downwardly into the cavity and a second connector correspondingly mating with the first connector, the second connector including a terminal base and secured to the terminal base. a plurality of second conductive terminals connected to each other, a cable electrically connected to the second conductive terminals, and an outer cover surrounding the outer periphery of the terminal base, wherein each second conductive terminal is elastically a second connector having mating portions, the resilient mating portions mating with upper ends of corresponding first conductive terminals; a shell; and a plurality of thirds secured within the shell. conductive terminals, wherein the shell is correspondingly inserted into the second mating cavity of the first connector, each third conductive terminal being resiliently mated; at least one terminal module having portions wherein resilient mating portions of third conductive terminals mate with lower ends of corresponding first conductive terminals.

Compared to the prior art, the first connector of the present disclosure protrudes from a metal locking plate embedded in the insulative housing for correspondingly engaging and locking with the locking component of the second connector. Two locking mechanisms are used, and the structural strength of the locking mechanism is good, which makes such locking secure and reliable. In the second connector, the locking elastic piece can be stopped by the locking projection, which can keep the locking component in the locked state and facilitate locking and unlocking.

The first connector employs a first conductive terminal in the form of a solid pin, and the second and third conductive terminals are top and bottom ends of the first conductive terminal. using elastic mating portions to respectively engage with the terminal modules, such a mating structure can reduce the effect of positional tolerances when terminal modules are used, and favors smooth mating therewith. Possibly, the solid pin-shaped configuration of the first conductive terminal may further enhance its strength and make it less likely to be crushed such that when the connector assembly is in a mated condition, the first conductive terminal and the second conductive terminal The conductive terminal, the third conductive terminal may provide a reliable fit therebetween and promote current transfer quality. Furthermore, more current can be transmitted farther with the same capacity, promoting transmission efficiency.

1 is a perspective view of a preferred embodiment connector assembly of the present disclosure mounted on a motor; FIG. 2 is a perspective exploded view of FIG. 1; FIG. 2 is a top view of FIG. 1; FIG. Figure 4 is a cross-sectional view taken along line AA of Figure 3; FIG. 5 is a cross-sectional view taken along line BB of FIG. 4; FIG. 6 is an enlarged partial view indicated by circle C in FIG. 5; 2 is a perspective exploded view of the connector assembly of FIG. 1; FIG. Figure 8 is a perspective view of the first connector and terminal module of Figure 7 connected together and viewed from another angle; Figure 8 is an exploded view of Figure 7 viewed from two different angles; Figure 8 is an exploded view of Figure 7 viewed from two different angles; Figure 11 is an exploded view of the insulating housing and terminal module of Figure 10, further exploded; Figure 8 is a perspective view of the second connector of Figure 7 from another angle; Figure 13 is an exploded view of Figure 12; FIG. 13 is an exploded view of FIG. 12 from another angle with the structure associated with the cable removed; 15 is an enlarged schematic view of the structure of the second conductive terminal of FIG. 14; FIG. Figure 8 is a top view of the connector assembly of Figure 7 assembled together; FIG. 17 is a cross-sectional view taken along line DD of FIG. 16; FIG. 17 is a cross-sectional view taken along line EE of FIG. 16; Figure 17 is a cross-sectional view taken along line FF of Figure 16; Fig. 10 is a perspective view of a connector assembly of another preferred embodiment of the present disclosure; Figure 21 is a perspective exploded view of Figure 20; 22 is a partially enlarged view of the portion indicated by circle G in FIG. 21; FIG. 22 is a partially enlarged view of the portion indicated by circle H in FIG. 21; FIG. Figure 21 is a schematic view of the metal locking plate and locking components of Figure 20 locked together; 25 is a partial enlarged view of the portion indicated by circle J in FIG. 24; FIG. Figure 25 is a state diagram of an intermediate process during which the locking component of Figure 24 performs a locking operation; Figure 27 is a side view of Figure 26; 22 is a schematic diagram of another embodiment of the metal locking plate of FIG. 21; FIG. Figure 29 is a side view of Figure 28;

Reference signs are represented as follows.

REFERENCE SIGNS LIST 100 Connector assembly 500 Motor 600 Connector assembly 1 First connector 11 Insulating housing 111 Base portion 1111 Mounting hole 112 Protruding portion 1121 Receiving groove 113 Protrusion 1131 Fitting side surface 1133 Guide groove 1135 Hanging groove 115 First fitting cavity 1151 First Signal Split Cavity 1152 First Brake Split Cavity 1153 First Power Split Cavity 1154 Ground Split Cavity 117 Second Mating Cavity 1171 Second Signal Split Cavity 1172 Second Brake Split Cavity 1173 Second Power Divided Cavity 119 Divided Wall 12 First Conductive Terminal 121 First Signal Terminal 122 First Brake Terminal 123 First Power Terminal 13 Metal Lock Plate 131 Plate-like Body 1311 Mounting Hole 1312 Opening 132 Lock Mechanism 1321 Lock Piece 1322 locking projection 1324 locking plane 133 first grounding terminal 134 grounding strip 14 first shielding metal frame 141 side wall 142 hanging part 143 protruding strip 144 notch 145 first resilient abutment part 15 waterproof seal gasket 16 waterproof ring 17 screw 2 second connector 21 terminal base 211 terminal cavity 212 cooperating engagement portion 2121 escape groove 2123 latch groove 22 second conductive terminal 2201 wire connection portion 2202 elastic mating portion 2204 elastic contact arm 221 second signal terminal 222 second brake terminal 223 second power terminal 224 second ground terminal 23 cable 231 conductive wire 232 jacket 24 outer cover 241 cover body 2411 guide rib 2412 resilient latch arm 2413 pivot groove 2414 shelter wall 2415 rotating shaft groove 2416 Lock projection 2417 Unlocking groove 242 Wire passage part 25 Lock component 251 Main body 252 Lock arm 2521 Pivoting part 2522 Lock opening 253 Handle 254 Lock elastic piece 255 Opening 26 Second shield metal frame 261 Through hole 262 Second elastic Contact portion 27 Silica gel loop 28 Lock member 29 Seal cap 3 First terminal module 3a Second terminal module 31 Shell 32 Third conductive terminal 321 Elastic fitting portion 323 Wire connection portion 33 Connection wire 6 First connector 61 insulating housing 63 metal locking plate 632 locking mechanism 6321 locking piece 63211 tear window 63212 window 6322 locking projection 63221 locking segment 63222 connecting segment 63224 locking plane 63225 avoidance curved surface 7 second connector 74 outer cover 75 locking component 752 locking arm 7522 lock opening 756 connecting arm

This disclosure can be embodied in different forms, with the understanding that this disclosure is to be considered as exemplifying the principles of the disclosure and is not intended to limit the disclosure to the illustrated. As there may be, what is shown in the drawings and described in detail herein are only specific embodiments.

Thus, reference to features is intended to describe features of one embodiment of the disclosure and does not imply that all embodiments must have the described features. Further, note that the description exemplifies some features. Certain features may be combined together to illustrate potential system designs, but they may also be used in other combinations not explicitly described. Accordingly, the described combinations are not intended to be limiting unless otherwise noted.

In the illustrated embodiments, the directional expressions such as up, down, left, right, front, and back used to describe the structure and movement of various components of this disclosure are absolute. It is not a thing, it is a relative thing. These representations are appropriate when the components are in the positions shown in the figures. However, if the description of the location of the components changes, these representations will change accordingly.

Preferred embodiments of the present disclosure will now be described in detail in conjunction with the drawings of this specification.

1 and 2, the connector assembly 100 of the preferred embodiment of the present disclosure is preferably applied to a motor 500. As shown in FIG. The connector assembly 100 mainly includes a first connector 1 and a second connector 2 mated with the first connector 1 . Here, the first connector 1 is attached to the motor 500 by a plurality of screws 17, the second connector 2 is correspondingly mated with the first connector 1, and the second connector 2 is externally mounted thereon. It has a cable 23 extending to.

For convenience of explanation, "bottom" is defined as the direction in which the first connector 1 and the second connector 2 are closer to the end of the motor 500 in use, and "top" is the opposite direction of "bottom". Defined. Additionally, "rear" is defined as the direction in which the cable 23 extends out of the second connector 2, and "front" is defined as the direction opposite to "front".

As shown in FIG. 2, the first connector 1 has two locking mechanisms 132 projecting upward, each of the two locking mechanisms 132 having a locking projection 1322 . As shown in FIGS. 2-4, the second connector 2 comprises a locking component 25 having two locking arms 252 . When the first connector 1 and the second connector 2 are mated together, the locking arm 252 of the locking component 25 can be locked to the locking projection 1322 of the locking mechanism 132, and the first connector 1 and the second connector 2 can be locked. Lock connector 2.

5 and 6, the first connector 1 has a plurality of first conductive terminals 12, the second connector 2 has a plurality of second conductive terminals 22, The lower end of the second conductive terminal 22 is mated with the upper end of the first conductive terminal 12 .

Combining FIGS. 5-7, the connector assembly 100 further includes a first terminal module 3 and a second terminal module 3a, with the two terminal modules 3, 3a under the first connector 1. It is inserted into the first connector 1 from the side. The two terminal modules 3, 3a each have a plurality of third conductive terminals 32, the upper ends of the third conductive terminals 32 being respectively the lower ends of the plurality of first conductive terminals 12 and mate with each other. The lower parts of the two terminal modules 3 , 3 a are received within the motor 500 . Here, the second terminal module 3a has a plurality of connecting wires 33 extending downwards. A plurality of connecting wires 33 are housed inside the motor 500 and are each connected with a corresponding electrical port of the motor 500 . The connecting wires of the first terminal module 3 are not shown.

Thereby, the first conductive terminal 12 , the second conductive terminal 22 , and the third conductive terminal 32 are correspondingly mated with each other to provide electrical signals between the motor 500 and the connector assembly 100 . can be realized so that the motor 500 can operate normally.

The parts that make up the connector assembly 100 will now be described in detail.

Firstly, referring to FIGS. 8-12, the first connector 1 mainly consists of an insulating housing 11, a plurality of first conductive terminals 12 fixed to the insulating housing 11, an insulating A metal locking plate 13 embedded in the housing 11, a first shielding metal frame 14 mounted on the insulating housing 11, and a waterproof seal covering a portion of the insulating housing 11 on the upper surface of the insulating housing 11. It includes a gasket 15 and a waterproof ring 16 fixed to the underside of the insulating housing 11 .

Referring primarily to FIG. 9, the insulative housing 11 generally includes a base portion 111, a protruding portion 112 projecting upwardly from the top surface of the base portion 111, and further upwardly thereby protruding from the protruding portion 112. a protrusion 113; Insulative housing 11 is preferably integrally formed of an insulating material through injection molding.

The base portion 111 is rectangular in shape with a mounting hole 1111 at each of its four corners. Protruding portion 112 has a rectangular shape with a length less than the length of base portion 111 and a width slightly less than the width of base portion 111 . The outer peripheral surface of the protruding portion 112 is provided with a receiving groove 1121 surrounding the outer peripheral surface of the protruding portion 112 and used to receive the waterproof seal gasket 15 . The protrusion 113 is in the form of a rectangle whose width is narrower than the width of the protruding portion 112 and whose length is similar to the length of the protruding portion 112, that is, the protrusions corresponding to the two short sides of the rectangular shape. The two sides of 113 are flush with the two sides of protruding portion 112 respectively. Every two sides that are flush with each other are defined as mating sides 1131 that are recessed from the mating sides 1131 and have guide grooves 1133 that extend vertically.

Still referring to FIG. 9, the insulative housing 11 includes a first mating cavity 115 on the upper surface of the protrusion 113, wherein in the presently preferred embodiment the first mating cavity 115 comprises a plurality of split Divided into cavities, specifically the first mating cavity 115 includes one first signal splitting cavity 1151, one first brake splitting cavity 1152 and three first power splitting cavities 1153. and one ground split cavity 1154 .

Referring again to FIG. 10, the lower surface of the insulative housing 11 further comprises a second mating cavity 117, similarly the second mating cavity 117 is also divided into a plurality of split cavities, each one one second signal splitting cavity 1171 , one second brake splitting cavity 1172 and three second power splitting cavities 1173 . The split cavities 1171, 1172, 1173 of the second mating cavity 117 vertically face the corresponding split cavities 1151, 1152, 1153 of the first mating cavity 115, respectively, and the second mating cavity 117 are divided vertically from the dividing cavities 1171 , 1172 , 1173 of the second mating cavity 117 by a dividing wall 119 formed inside the insulating housing 11 .

Combining FIGS. 8-10, the plurality of first conductive terminals 12 extend along the vertical direction and are fixed within the insulating housing 11 . the plurality of first conductive terminals 12 pass through the dividing wall 119 and upper ends of the plurality of first conductive terminals 12 extend upward into the first mating cavity 115; Lower ends of the plurality of first conductive terminals 12 extend downwardly into the second mating cavity 117 .

Preferably, the first conductive terminal 12 is a conductive element having a solid pin shape, that is, each cross section in the extending direction of the first conductive terminal 12 is a solid closed shape. be. The first conductive terminal 12 having a solid pin shape has good strength relative to the spring plate terminal after the first conductive terminal 12 has been subjected to repeated mating, and the first conductive terminal 12 The terminal 12 reduces the risk of the first conductive terminal 12 being crushed, and the contact reliability between the first conductive terminal 12, the second conductive terminal 22 and the third conductive terminal 32 is improved. can be promoted. Also, using a solid pin shape can also transmit more current for the same capacity and enhance transmission efficiency. In addition, the plurality of first conductive terminals 12 are preferably integral with the insulative housing 11 by insert molding, which can ensure positional accuracy and eliminate the effect of positional tolerances on mating of the terminals. can be reduced and contact reliability can be promoted.

According to the different functions of the plurality of first conductive terminals 12, the plurality of first conductive terminals 12 are six first signal terminals 121 used to transmit signals, realizing the brake function are divided into two first brake terminals 122 used for power supply and three first power terminals 123 used for power transmission. Each of the six first signal terminals 121 extends into the first signal splitting cavity 1151 and the second signal splitting cavity 1171, and the two first brake terminals 122 extend into the first brake Correspondingly extending into the split cavity 1152 and the second brake split cavity 1172, the three first power terminals 123 are connected to the three first power split cavities 1153 and the three second power split cavities. correspondingly extending into cavity 1173 .

8 and 9, the body of the first shield metal frame 14 is fixed in the first signal splitting cavity 1151 of the first mating cavity 115, and the lower end of the body of the first shield metal frame 14 passes through the dividing wall 119 and extends into the second signal dividing cavity 1171 of the second mating cavity 117, the body of the first shielding metal frame 14 comprising six first It surrounds the signal terminal 121 . The first shielding metal frame 14 surrounds the outer periphery of the six first signal terminals 121 to perform a shielding function and reduce interference in the signal transmission process.

Referring primarily to FIG. 9, the first shielding metal frame 14 is enclosed to form a vertically penetrating rectangular frame and may be formed by enclosing a metal sheet. The first shielding metal frame 14 mainly includes four side walls 141 that are surrounded, and the two hanging parts 142 are first the upper ends of the two side walls 141 facing each other among the four side walls 141 . Each bends outward from the base and then bends downward. The two suspension portions 142 may be correspondingly suspended at the opening of the upper end of the first signal splitting cavity 1151, where the protrusions 113 are arranged in the first direction to accommodate the two suspension portions 142 respectively. It further comprises two hanging grooves 1135 positioned at the openings of the upper ends of the signal splitting cavities 1151 of . A protruding piece 143 protrudes downward from the lower portion of each side wall 141 of the first shielding metal frame 14, a notch 144 is formed between every two protruding pieces 143, and the four protruding pieces 143 are divided into It extends downwardly through wall 119 into second signal splitting cavity 1171 .

Some of the four side walls 141 and some of the four protruding pieces 143 of the first shielding metal frame 14 have a plurality of first elastic abutment portions 145 protruding outward therefrom. Prepare more. The first elastic abutment portion 145 may be formed by stamping some of the four side walls 141 or some of the four protruding pieces 143 of the first shielding metal frame 14, each , can be an elastic structure with free ends, or each can be an elastic structure that constrains its two ends and protrudes its intermediate portion. The first elastic abutment portion 145 elastically abuts against the inner wall of the first mating cavity 115 or the inner wall of the second mating cavity 117, whereby the first shielding metal frame 14 is insulative. It can be firmly engaged with the housing 11 .

With continued reference to FIGS. 8 and 9, the metal locking plate 13 may be formed entirely by stamping and bending a metal plate, and the metal locking plate 13 is preferably formed by an insert molding process. It is fixed to the insulating housing 11 as a unitary structure.

The metal locking plate 13 comprises a plate-like body 131 of substantially rectangular shape, two locking mechanisms 132 protruding upward from two sides of the plate-like body 131 respectively, and a middle portion of the plate-like body 131 . a first grounding terminal 133 and two grounding strips 134 protruding upward from the . An intermediate portion of the plate-like body 131 has an opening 1312 penetrating vertically, and each of the four corners of the plate-like body 131 has a mounting hole 1311 .

The plate-like body 131 is substantially embedded in the base portion 111 of the insulating housing 11 , and the four corners of the plate-like body 131 are exposed on the upper surface of the base portion 111 and fit into the mounting holes of the plate-like body 131 . 1311 and mounting holes 1111 in base portion 111 are in corresponding communication with each other and are used to allow screws 17 to pass through to secure metal locking plate 13 and insulating housing 11 . be. The edge of the opening 1312 of the plate-like body 131 surrounds the outer peripheral side of the plurality of first conductive terminals 12 integral with the insulating housing 11, i.e. each first conductive terminal 12 has an opening 1312 is passed vertically.

Two locking mechanisms 132 are positioned on two sides of the opening 1312 respectively. When the metal locking plate 13 and the insulating housing 11 are fixed as a unitary structure, two locking mechanisms 132 project upward from the base portion 111 and the two locking mechanisms 132 extend from two of the projecting portions 112 of the insulating housing 11 . positioned on one side respectively, and facing away from two mating sides 1131 of the insulative housing 11 respectively. In this preferred embodiment, the locking mechanism 132 includes a locking piece 1321 extending curved upward from the side edge of the plate-like body 131 and a locking piece 1321 projecting horizontally outward from the surface of the locking piece 1321 . and a protrusion 1322 . The locking piece 1321 basically faces parallel to the fitting side surface 1131 , and the locking projection 1322 protrudes apart from the fitting side surface 1131 . The locking projection 1322 may be formed by stamping the locking piece 1321 , the locking projection 1322 being in the form of a hollow cylinder, the top side of which forms a locking plane 1324 . That is, although the perimeter contour of locking projection 1322 is not a complete circle, the upper portion of the perimeter contour of locking projection 1322 is a straight line, and the lower portion of the perimeter contour of locking projection 1322 is a straight line. Arcs that are connected and have central angles greater than 180 degrees. The locking protrusion 1322 is used to achieve locking in cooperation with the locking arm 252 of the second connector 2, using such a structure that its upper portion is flat and its lower portion is arcuate. Doing so may function to make the locking process convenient and smooth, and to make the locking state stable and firm after the locking projection 1322 and locking arm 252 are locked. Note that in some embodiments not shown, the locking projection 1322 may also project horizontally inward from the surface of the locking piece 1321 .

Each of the first ground terminal 133 and the two ground strips 134 is bent upward from the edge of the opening 1312 of the plate-like body 131 , and the first ground terminal 133 extends from the first mating cavity 115 . Extending upward into the ground splitting cavity 1154 , the two ground strips 134 extend upward into the first signal splitting cavity 1151 of the first mating cavity 115 .

8 and 9, the waterproof sealing gasket 15 is fitted in the receiving groove 1121 of the protruding portion 112 of the insulating housing 11, and when the first connector 1 and the second connector 2 are mated together, Used for waterproof sealing.

7 and 11, the waterproof ring 16 is fixed to the lower surface of the base portion 111 of the insulating housing 11, and when the first connector 1 is attached to the motor 500, the waterproof ring 16 is secured to the insulating housing. 11 and the contact surface of the motor 500 to act as waterproof.

The assembling process of the first connector 1 is substantially firstly forming the insulating housing 11, the plurality of first conductive terminals 12, and the metal locking plate 13 together as an integral structure by insert molding, and then The waterproof ring 16 and the waterproof sealing gasket 15 are respectively mounted on the insulating housing 11 , and finally the first shielding metal frame 14 is inserted into the insulating housing 11 .

10 and 11 , the first terminal module 3 includes a shell 31 and a plurality of third conductive terminals 32 fixed inside the shell 31 . The first terminal module 3 is used to connect the encoder (not shown) of the motor 500 via connecting wires (not shown). The second terminal module 3 a similarly includes a shell 31 and a plurality of third conductive terminals 32 , the lower end of each third conductive terminal 32 connecting to a connecting wire 33 . A second terminal module 3 a is used to connect the power port and the brake port of the motor 500 .

The shell 31 of the first terminal module 3 and the shell 31 of the second terminal module 3a can be correspondingly inserted into the second mating cavity 117 of the first connector 1, respectively, specifically the present preferred embodiment. In a preferred embodiment, the shell 31 of the first terminal module 3 inserts into the second signal splitting cavity 1171 of the second mating cavity 117 and the shell 31 of the second terminal module 3a inserts into the second mating cavity 117. into the second brake split cavity 1172 and the three second power split cavities 1173 of the combined cavity 117; Correspondingly, each third conductive terminal 32 of the first terminal module 3 can be mated with the lower end of the corresponding first signal terminal 121 of the first connector 1 . The plurality of third conductive terminals 32 of the second terminal module 3a are fitted with the lower ends of the first brake terminals 122 and the lower ends of the first power terminals 123 of the first connector 1 respectively.

Referring to FIG. 11 , the third conductive terminal 32 has a resilient fitting portion 321 positioned at the upper end of the third conductive terminal 32 and a lower end of the third conductive terminal 32 positioned at the lower end of the third conductive terminal 32 . and a wire connecting portion 323, the resilient mating portion of the third conductive terminal 32 when mated with the first conductive terminal 12, which is in the form of a solid pin. 321 can elastically clamp the lower end of the first conductive terminal 12, and at the same time, the elastic fitting portion 321 and the contact surface of the first conductive terminal 12 are fitted together along the vertical direction. , has a longer length, which can accommodate positional tolerances and ensure reliability of the fit.

12-14, the second connector 2 mainly comprises a terminal base 21, a plurality of second conductive terminals 22 fixed to the terminal base 21, and a plurality of second conductive terminals 22 fixed to the terminal base 21. a cable 23 electrically connected to the terminal base 22; an outer cover 24 covering the terminal base 21; a locking component 25 pivotally attached to the outer cover 24; a frame 26;

The terminal base 21 comprises a plurality of vertically extending terminal cavities 211, and the terminal base 21 comprises two cooperating engaging portions 212 projecting upward on two sides of the terminal base 21 for wire connection. A space is formed between two cooperating engagement portions 212 . An avoidance groove 2121 is recessed from an intermediate portion of the outer surface of each cooperating engagement portion 212, and two latch grooves 2123 are further recessed from the bottom surface of the avoidance groove 2121 and are spaced apart from each other.

According to the different functions of the plurality of second conductive terminals 22, the second conductive terminals 22 have six second signal terminals 221 used to transmit signals, to achieve the brake function divided into two second brake terminals 222 used, three second power terminals 223 used to transmit power, and one second ground terminal 224 (where the second ground Terminal 224 is shown in FIG. 13).

Referring to FIG. 15, each second conductive terminal 22 has a wire connecting portion 2201 positioned at the upper end of each second conductive terminal 22 and positioned at the lower end of each second conductive terminal 22 . and a resilient mating portion 2202 . Preferably, the second conductive terminal 22 is a metal terminal and the resilient mating portion 2202 has two resilient contact arms 2204 extending facing each other.

In combination with FIG. 17, the plurality of second conductive terminals 22 are correspondingly inserted into the plurality of terminal cavities 211 of the terminal base 21, and the elastic mating portions 2202 of each second conductive terminal 22 are aligned. are directed downward and are used to mate with the upper ends of the corresponding first conductive terminals 12 , and the two resilient contact arms 2204 of the resilient mating portion 2202 are connected to the corresponding first conductive terminals 12 . The upper end of terminal 12 is clamped.

Combining FIG. 17 and FIG. 14, the second shielding metal frame 26 surrounds the outer circumference of the six second signal terminals 221 to perform shielding function and reduce interference in the signal transmission process. A second shielding metal frame 26 is fixedly attached to the terminal base 21 .

The second shielding metal frame 26 is preferably formed by enclosing a piece of metal such that the top portion of the second shielding metal frame 26 is closed and one of the side portions of the second shielding metal frame 26 is closed. One has a through hole 261 to allow the cable 23 to pass therethrough. A plurality of second elastic abutment portions 262 are provided on two of the side walls of the second shielding metal frame 26 facing each other and projecting outward. The second elastic abutment portion 262 elastically abuts against the inner wall of the corresponding terminal cavity 211 of the terminal base 21 , so that the second shielding metal frame 26 can be firmly engaged with the terminal base 21 . .

Referring to FIG. 13, cable 23 includes a plurality of conductive wires 231 and a jacket 232 surrounding the plurality of conductive wires 231 from the outside. The end portions of the plurality of conductive wires 231 extend forward from the jacket 232 and extend into the wire connection space of the terminal base 21 to connect to the plurality of second conductive terminals 22 respectively. can do.

13 and 14, the outer cover 24 includes a cover body 241 and a wire passing portion 242 extending rearward from the rear side of the cover body 241. As shown in FIG. Outer cover 24 is preferably integrally formed of plastic through injection molding. The cover body 241 is substantially in the form of a cubic structure, the lower end of the cover body 241 is open, the interior of the cover body 241 is hollow, and the cover body 241 corresponds to the terminal base 21 . cover. The wire passage portion 242 is substantially in the form of a hollow cylinder and communicates with the interior of the cover body 241 . The second connector 2 further includes a silica gel loop 27 , a locking member 28 and a sealing cap 29 , the silica gel loop 27 , the locking member 28 and the sealing cap 29 armoring the cable 23 and wire passing portion 242 . to secure the cable 23 to the wire passing portion 242 to provide a seal.

A downwardly projecting guide rib 2411 and two elastic latch arms 2412 respectively disposed on two sides of the guide rib 2411 are positioned on the inner surface of the cover body 241 near the two side walls of the cover body 241 . A guide rib 2411 is formed downwardly over two resilient latch arms 2412 . 17, the guide rib 2411 and the two elastic latch arms 2412 can correspondingly extend into the avoidance groove 2121 of the terminal base 21, and the two elastic latch arms 2412 can be connected to the two elastic latch arms 2412 of the terminal base 21. The terminal base 21 and the cover body 241 are fixed together by corresponding latch engagement with the latch groove 2123 .

Two pivot grooves 2413 are provided on the two sides of the cover body 241 to penetrate vertically, and a shelter wall 2414 is provided on the outside of each of the two side walls of the cover body 241, and the pivot grooves 2413 is positioned between the shelter wall 2414 and the side wall. A rotary shaft groove 2415 is further provided above each pivot groove 2413 to be recessed, and the axes of the two rotary shaft grooves 2415 on the two sides of the cover body 241 are on the same straight line.

The front outer surface of the cover body 241 is a downwardly slanted surface, and has two locking projections 2416 protruding forward. The upper surface of the locking protrusion 2416 is an inclined surface that gradually slopes downward and forward, and the lower surface of the locking protrusion 2416 is basically perpendicular to the front outer surface of the cover body 241 . In this preferred embodiment, each locking projection 2416 has an unlocking groove 2417 extending obliquely along the vertical direction, and the unlocking groove 2417 divides the locking projection 2416 into two parts.

13 and 14, the locking component 25 comprises a body 251, two locking arms 252 respectively bent from two sides of the body 251, and bent outward from the upper end of the body 251. It includes a handle 253 and two locking elastic pieces 254 extending from the body 251 toward the cover body 241 . Specifically, in this embodiment, the main body 251 of the locking component 25 comprises two openings 255 and a locking resilient piece 254 curves upward and inward from the bottom edge of each opening 255 . The locking component 25 preferably uses a metallic material and can be formed by bending a sheet of metal.

The upper portion of each lock arm 252 has a pivot portion 2521 projecting toward the other lock arm 252 , the pivot portion 2521 being in the form of a hollow cylinder, by stamping the lock arm 252 . can be formed. The pivot portion 2521 may be inserted into the corresponding rotating shaft groove 2415 of the cover body 241 so that the lock arm 252 may be pivotally received in the corresponding pivot groove 2413 . The lower part of the locking arm 252 is provided with a locking opening 2522 on the side of the lower part of the locking arm 252 away from the main body 251, the locking opening 2522 is used for locking by the locking projection 1322 of the first connector 1. can be

A handle 253 may allow an operator to grasp and manipulate the body 251 to move it over the cover body 241 and rotate the two locking arms 252 .

The position of the locking elastic piece 254 corresponds to the position of the locking projection 2416 of the outer cover 24, and the locking elastic piece 254 can be stopped by the locking projection 2416 to prevent the locking component 25 from pivoting.

The assembling process of the second connector 2 is substantially as follows: first, the plurality of second conductive terminals 22 and the second shielding metal frame 26 are respectively mounted on the terminal base 21; through the wire passing portion 242 of the outer cover 24, each conductive wire 231 of the cable 23 is correspondingly connected to the wire connecting portion 2201 of the second conductive terminal 22, and then the terminal base 21 is Attaching to the cover body 241 of the outer cover 24, the elastic latch arms 2412 of the cover body 241 are latched with the corresponding latch grooves 2123 of the terminal base 21, the cable 23 is prepared, and the sealing cap 29 covers the silica gel loop 27 and the sealing cap 29. fixing the sealing cap 29 and the wire passing portion 242 by squeezing the locking member 28 and rotating the sealing cap 29 so as to form a sealing effect between the cable 23 and the wire passing portion 242; The locking component 25 is attached to the cover body 241 of the outer cover 24 .

12 and 16-19, based on the above description, before the first connector 1 and the second connector 2 are mated together, the locking component 25 of the second connector 2 is , is maintained to be positioned in a free state as shown in FIG. 112 extend into the outer cover 24 of the second connector 2 to mate the elastic mating portions 2202 of the second conductive terminals 22 with the upper ends of the corresponding first conductive terminals 12; An electrical connection is thereby established between the first connector 1 and the second connector 2 . When the second connector 2 and the first connector 1 are mated with each other, the guide ribs 2411 of the second connector 2 can be inserted into the guide grooves 1133 of the first connector 1, which is the first It is convenient to guide the connector 1 and the second connector 2 to be smoothly mated with each other and align the first connector 1 and the second connector 2 precisely with each other.

At the same time, the locking mechanism 132 of the first connector 1 extends into the pivot groove 2413 of the outer cover 24 of the second connector 2, at which point the locking component 25 of the second connector 2 is activated. , can implement locking.

Specifically, in the initial state, the locking component 25 is positioned as shown in FIG. 12 and then locked until the locking component 25 reaches the locked state shown in FIG. handle 253 downward to rotate the locking component 25 downward.

Specifically, referring to FIG. 18, at this point the locking opening 2522 of the locking arm 252 of the locking component 25 is locked by the locking projection 1322 of the locking mechanism 132, thereby locking the first connector 1 and The second connector 2 is locked. Because the lower contour of locking projection 1322 is in the form of an arc, when locking component 25 rotates downward, locking opening 2522 of locking arm 252 cooperates with locking projection 1322, thereby causing locking arm 252 to can move smoothly. After reaching the locked state, the lock opening 2522 and the lock plane 1324 on the top side of the lock projection 1322 will adhere to each other, and the lock plane 1324 will stop further rotation of the lock arm 252, which makes the lock stronger. do.

In combination with FIG. 17, in the locked state, the shelter wall 2414 of the outer cover 24 may also serve to protect the outside of the lock arm 252 of the lock opening 2522, preventing unintentional contact from the outside and locking. Unintentional pivoting of arm 252 may be prevented from occurring, thereby further promoting lock reliability.

Further, referring to FIG. 19, in the locked state, the locking projection 2416 stops overcoming the locking resilient piece 254, thereby preventing the locking component 25 from rotating upward and unlocking. , which keeps the locking component 25 locked.

When it is necessary to unlock the locked state between the first connector 1 and the second connector 2, at this point, the unlocking groove 2417 communicates with the inner side of the locking elastic piece 254, The operator may enable the needle-shaped tool to pass through the unlocking groove 2417 of the locking projection 2416, and the needle-shaped tool extends inside the locking elastic piece 254 to push the locking elastic piece 254 upward. unlocking the stop of the locking projection 2416 against the locking elastic piece 254, then the locking component 25 is pushed upward and rotated to lock the locking arm 252 of the locking component 25 and the locking mechanism 132. Unlocking the protrusion 1322, the first connector 1 and the second connector 2 can be conveniently separated from each other. Since the lock elastic piece 254 is integrally formed with the lock component 25 made of metal material, the lock elastic piece 254 has higher structural strength, and the lock elastic piece 254 performs multiple locking and unlocking operations. The locking elastic piece 254 can maintain better reliability even after being subjected to repeated rotations.

Based on the above description, the preferred embodiment connector assembly 100 has the following beneficial effects. In the first connector 1, two locking mechanisms protrude from a metal locking plate 13 embedded in the insulating housing 11 for corresponding engagement and locking by the locking component 25 of the second connector 2. 132 is used, the structural strength of the locking mechanism 132 is good, which makes such locking robust and reliable. In the second connector 2, the locking elastic piece 254 can be stopped by the locking projection 2416, which can keep the locking component 25 in the locked state and facilitate locking and unlocking.

In the first connector 1, a first conductive terminal 12 in the form of a solid pin shape is used, and the second conductive terminal 22 and the third conductive terminal 32 have elastic mating portions 2202, 321. are used to respectively engage the top and bottom ends of the first conductive terminals 12, such a mating structure may reduce the effects of positional tolerances when the terminal modules 3, 3a are used, and It may be advantageous to have a smooth fit with them. The solid pin-shaped configuration of the first conductive terminal 12 may further increase its strength, make it less likely to collapse, and cause the first conductive terminal 12 and the second conductive terminal 12 to become less likely to collapse when the connector assembly 100 is in a mated condition. The two conductive terminals 22, the third conductive terminal 32 may provide a reliable fit therebetween and promote current transfer quality. Furthermore, more current can be transmitted with the same capacity, promoting transmission efficiency.

FIG. 20 illustrates the construction of a connector assembly 600 of another preferred embodiment of the present disclosure. Connector assembly 600 mainly includes first connector 6 and second connector 7 mated with first connector 6 .

The main structure of the first connector 6 can refer to the first connector 1 of the previous embodiment, where FIG. is exemplified. Compared with the first connector 1, the first connector 6 of this embodiment may differ mainly in that the structure of the metal locking plate 63 has some differences.

21 and 22, the lock mechanism 632 of the metal lock plate 63 includes a lock piece 6321 extending upward and a lock projection 6322 separated from the lock piece 6321 and protruding outward. and including. Locking piece 6321 includes elongated tear-off window 63211 . The two ends of the locking protrusion 6322 are connected at the front and rear sides of the tear-off window 63211 , and the locking protrusion 6322 is separated from the top and bottom sides of the tear-off window 63211 . The locking protrusion 6322 includes a locking segment 63221 and two connecting segments 63222 respectively connecting the front end and the rear end of the locking segment 63221 . Connecting to each other, the locking segments 63221 extend outward beyond the plane in which the locking pieces 6321 reside. During manufacture, the locking projection 6322 is formed by stamping the sheet outwards at the tear-off window 63211, and the top and bottom sides of the sheet are cut apart to form a portion of the sheet between the top and bottom sides of the sheet. Portions project outward and the leading and trailing edges of portions of the sheet remain connected to the sheet at tear-off windows 63211 . In some embodiments not shown, the locking projections 6322 may also be formed by stamping and separating the sheets inwardly at the tear-off windows 63211, which the locking projections 6322 cut outward by cutting away. Note that an equivalent effect can be achieved with Such locking projections 6322 have better strength, so as to favorably obtain a more reliable locking effect, and the processing for such locking projections 6322 is relatively favorable, while the thickness of the material And the elongation requirement is not high, in addition, the dimensional accuracy of the finally formed locking mechanism 632 is more accurate.

Referring primarily to FIG. 22, windows 63212 are provided under each of the front and rear ends of the detachment window 63211 of the locking piece 6321, each window 63212 connecting one connecting segment 63222 of the locking projection 6322. Positioned correspondingly on the underside, each of the bottom surfaces of the two connecting segments 63222 forms an avoidance curved surface 63225 . In this embodiment, the avoidance curved surface 63225 consists of an upwardly projecting arcuate surface connected to the locking segment 63221 and a horizontal surface away from the locking segment 63221, in some embodiments not shown: It can be understood that the specific shape of the avoidance curved surface 63225 is not limited thereto and can be designed according to the actual situation. The bottom surface of the locking segment 63221 forms a locking plane 63224 extending along the horizontal direction, and the locking plane 63224 extends downwardly beyond the avoidance curved surface 63225, thereby forming the lock segment 63221 and the avoidance curved surface 63225. An avoidance space is formed between

Other features of the first connector 6 may refer to the first connector 1 and will not be repeated.

The main structure of the second connector 7 may refer to the second connector 2 of the previous embodiment, and FIG. 21 mainly illustrates the outer cover 74 and locking component 75 of the second connector 7. As shown in FIG. Compared to the second connector 2, the second connector 7 of this embodiment differs mainly in that the structure of the locking component 75 has some differences.

Specifically, in combination with FIGS. 21 and 23, in locking component 75, connecting arm 756 is connected between the top and bottom of the distal end of locking opening 7522 of each locking arm 752 to provide a connection. Arm 756 arches outwardly from locking arm 752 and exceeds the outer surface of locking arm 752 . The connecting arm 756 arches outward by disconnecting the locking arm 752 , each of the upper and lower ends of the connecting arm 756 is diagonally connected to the locking arm 752 , and the middle portion of the connecting arm 756 is , substantially parallel to and outwardly beyond locking arm 752, connecting arm 756 may be formed by using a stamping and cutting process. Note that although connecting arms 756 are formed by outwardly cutting in this embodiment, connecting arms 756 may also be formed by inwardly cutting in some embodiments.

A connecting arm 756 connects the upper and lower sides of the tip of the lock opening 7522, which can greatly promote structural strength at the lock opening 7522 and can be Additionally, the lock opening 7522 may be prevented from being enlarged, thereby providing greater locking force and promoting lock reliability. At the same time, the connecting arm 756 arches outwardly from the locking arm 752 and the deviation between the connecting arm 756 and the locking arm 752 forms an avoidance space, thereby avoiding the locking opening 7522 of the locking component 75 . However, it is convenient for locking corresponding to the locking projection 6322 of the metal locking plate 63 .

24 and 25, when the first connector 6 and the second connector 7 are mated together, the locking protrusion 6322 of the locking mechanism 632 and the locking opening 7522 of the locking arm 752 lock together, thereby Thus, the first connector 6 and the second connector 7 are maintained in the locked state. At this time, the locking flats 63224 of the locking protrusions 6322 and the lower sidewalls of the locking openings 7522 adhere to each other, and the locking flats 63224 stop further rotation of the locking arms 752, thereby maintaining the locked state.

25 and 26, in the process of operating locking component 75 to rotate toward the locked condition, connecting arm 756 arching outwardly from locking arm 752 engages locking projection 6322. Bypassing, the connecting arm 756 passes from the outside of the locking projection 6322 so that the locking arm 752 can rotate smoothly to bring the locking opening 7522 and the locking projection 6322 into cooperation with each other. Referring again to FIG. 27, the avoidance curved surface 63225 of the locking projection 6322 also avoids the lower sidewall of the locking opening 7522, which ensures that the locking arm 752 does not interfere with the locking projection 6322 during the rotation process. otherwise, the locking arm 752 cannot cooperate with the locking projection 6322.

27, the locking arm 752 mounted on the right side of the metal locking plate 63 rotates clockwise to perform a locking action, at which point the right avoiding curved surface of the locking projection 6322 63225 performs an evasive function. In this embodiment, each of the two connecting segments 63222 of the locking projection 6322 in the fore-and-aft direction is provided with an avoidance curved surface 63225 so that the locking component 75 can be rotated horizontally 180 degrees to mount on the left side of the metal locking plate 63. Then, when the lock arm 752 rotates counterclockwise to perform the locking operation, the left avoidance curved surface 63225 of the lock projection 6322 rotates counterclockwise to lock the lock arm 752 . avoid. The structure of the locking projection 6322 of this embodiment can form a bidirectional cooperative relationship that simultaneously locks when the locking arm 752 rotates clockwise and locks when the locking arm 752 rotates counterclockwise. locks, promoting versatility in different application situations.

28 and 29, in another preferred embodiment, the locking mechanism 632a may also include only one window 63212a in the locking piece 6321a, correspondingly the avoidance curved surface 63225a is located on the bottom surface of the locking projection 6322a. window 63212a, and such a design is only suitable when locking arm 752 rotates counterclockwise to achieve locking.

The above contents are only preferred embodiments of the present disclosure, and cannot limit the solutions implemented by the present disclosure. may be conveniently carried out, and the scope of protection of this disclosure shall therefore be determined by the terms of the appended claims.

Claims (8)

a first connector that can be correspondingly locked with a second connector,
an insulating housing, wherein a top surface of the insulating housing comprises a first mating cavity and a bottom surface of the insulating housing comprises a second mating cavity;
a plurality of first conductive terminals secured to the insulative housing and upper ends of the first conductive terminals extending into the first mating cavities; a plurality of first conductive terminals extending upwardly into the second mating cavity, with lower ends of the first conductive terminals extending downwardly into the second mating cavity;
a metal locking plate embedded in the insulative housing, an intermediate portion of the metal locking plate having an opening, the plurality of first conductive terminals vertically passing through the opening; a locking mechanism comprising a metal locking plate projecting upward on each of two sides of the opening of the metal locking plate ;
The locking mechanism comprises an upwardly extending locking piece and a locking projection horizontally protruding from a surface of the locking piece, the locking projection being cylindrical in shape, wherein the locking The first connector , wherein the top side of the protrusion forms a locking plane . a first connector that can be correspondingly locked with a second connector,
an insulating housing, wherein a top surface of the insulating housing comprises a first mating cavity and a bottom surface of the insulating housing comprises a second mating cavity;
a plurality of first conductive terminals secured to the insulative housing and upper ends of the first conductive terminals extending into the first mating cavities; a plurality of first conductive terminals extending upwardly into the second mating cavity, with lower ends of the first conductive terminals extending downwardly into the second mating cavity;
a metal locking plate embedded in the insulative housing, an intermediate portion of the metal locking plate having an opening, the plurality of first conductive terminals vertically passing through the opening; a locking mechanism comprising a metal locking plate projecting upward on each of two sides of the opening of the metal locking plate;
The locking mechanism comprises an upwardly extending locking piece and a locking projection that is separated outwardly or inwardly from the locking piece, the locking piece comprises a tear-off window, and the locking projection: A first connector that connects to two sides of the tear-off window. The locking projection includes a locking segment and two connecting segments respectively connected to a front end and a rear end of the locking segment, the two connecting segments respectively on two sides of the tear-off window. 3. The first connector of claim 2 , wherein said locking segment extends outwardly beyond a plane in which said locking piece lies. 4. The second according to claim 3 , wherein a bottom surface of said locking segment forms a locking plane, a bottom surface of at least one connecting segment forms a curved avoidance surface, said locking plane extending downwards beyond said curved surface of avoidance. 1 connector. a first connector that can be correspondingly locked with a second connector,
an insulating housing, wherein a top surface of the insulating housing comprises a first mating cavity and a bottom surface of the insulating housing comprises a second mating cavity;
a plurality of first conductive terminals secured to the insulative housing and upper ends of the first conductive terminals extending into the first mating cavities; a plurality of first conductive terminals extending upwardly into the second mating cavity, with lower ends of the first conductive terminals extending downwardly into the second mating cavity;
a metal locking plate embedded in the insulative housing, an intermediate portion of the metal locking plate having an opening, the plurality of first conductive terminals vertically passing through the opening; a locking mechanism comprising a metal locking plate projecting upward on each of two sides of the opening of the metal locking plate;
The first connector further comprises a shielded metal frame, the shielded metal frame surrounding a number of first conductive terminals therein, the body of the shielded metal frame defining the first mating cavity. with a lower portion of said shielding metal frame projecting downwardly into said second mating cavity. The main body of the shielding metal frame comprises four side walls enclosed to form a rectangular frame, with a projection downwardly projecting from a lower portion of each side wall, a notch extending between every two projections. is formed in
A dividing wall is provided between said first mating cavity and said second mating cavity, and four protruding pieces pass downwardly through said dividing wall to extend into said second mating cavity. 6. The first connector of claim 5 extending in. Each of said plurality of first conductive terminals is a conductive element in the form of a solid pin, said plurality of first conductive terminals being integral with said insulative housing by insert molding. 7. The first connector according to any one of items 1-6 . A second mating cavity of said insulative housing is used to accommodate a terminal module, said terminal module and said plurality of first conductive terminals being correspondingly electrically connected to each other. 8. A first connector according to Item 7 .

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