TW202034591A - Electrical connector and electrical connector assembly - Google Patents

Abstract

The present invention relates to an electrical connector and an electrical connector assembly, the electrical connector assembly comprises a first connector and a second connector mating with each other. The first connector comprises a first housing and a plurality of first contacts retained in relative first contact-receiving slots of the first housing. The second connector comprises a second housing and a plurality of second contacts held in the second housing. The first housing further has a receiving space recessed backwards from a front surface thereof, and the receiving space is communicated with the first contact-receiving slots. The first connector further has a cover received in the receiving space, the cover defines a plurality of channels extending through thereof along a front-and-back direction. The channels and the first contact-receiving slots are arranged in one-to-one correspondence for the second contacts inserting in turn.

Description

Electric connector and electric connector combination

The invention relates to an electric connector and an electric connector combination.

The traditional electrical connector assembly includes an electrical connector and a mating connector that are paired with each other. The electrical connector has an insulating body and a plurality of conductive terminals fixed in the insulating body. The insulating body has a plurality of terminal slots for accommodating corresponding conductive terminals. The conductive terminal is usually positioned in the insulating body by the fixing part located close to the rear side. However, the head area of the conductive terminal lacks the necessary positioning and holding structure, and the head of the conductive terminal and the insulating body The retaining force of the ”is often insufficient; and, the diameter of the aforementioned terminal slot is usually larger for the use of butt terminal insertion and miniaturization. When the butt terminal is inserted, the risk of insertion error may occur.

In view of this, it is indeed necessary to further improve the cooperation of traditional electrical connectors and electrical connector sets to solve the above-mentioned problems.

The object of the present invention is to provide an electrical connector and electrical connector combination with stable insertion.

To achieve the above objective, the present invention provides an electrical connector assembly, which includes:

The first connector includes a first insulating body and a plurality of first conductive terminals fixed in the first insulating body, and the first insulating body has a plurality of first terminal grooves for accommodating the first conductive terminals;

The second connector is inserted into the first connector and includes a second insulating body and a plurality of second conductive terminals fixed in the aforementioned second insulating body;

The first insulating body further has a receiving space recessed from the front end surface thereof, the receiving space communicates with the first terminal groove, and the first connector further has a cover body that fits into the receiving space. The cover body has a plurality of through grooves penetrating it in the front and rear directions, and the through grooves and the first terminal grooves are arranged one-to-one correspondingly for the second conductive terminals to be inserted in sequence.

As a further improvement of the present invention, the first insulating body has a mounting surface located inside the accommodating space, the first terminal slot extends rearward from the mounting surface and penetrates the first insulating body, and each through slot has a The guide section at the front and the limiting section at the rear thereof, the projection of the limiting section on the mounting surface falls into the projection of the first terminal slot on the mounting surface.

As a further improvement of the present invention, the cover has a main body and an insertion portion extending backward from the main body, the first insulating body has a plurality of receiving grooves recessed from the front end surface thereof, and the insertion portion protrudes into the corresponding The foregoing receiving groove is enclosed by the front section of the foregoing first conductive terminal.

As a further improvement of the present invention, at least part of the receiving groove is communicated with the first terminal groove.

As a further improvement of the present invention, the cover body further has a locking part extending forward from the body part to be fixedly fitted with the first insulating body.

As a further improvement of the present invention, the aforementioned engaging portion is sandwiched between the aforementioned first insulating body and the aforementioned second insulating body.

As a further improvement of the present invention, the second conductive terminal has a flat contact portion and a pair of holding arms located on the rear side of the contact portion, the contact portion is inserted into the through groove and the first terminal groove, and has a first The contact portion and the second contact portion formed by folding over the side portion of the first contact portion and stacked on the first contact portion, and the pair of holding arms are disposed oppositely on two of the second conductive terminals in the height direction Side to stop the second conductive terminal inside the second insulating body.

As a further improvement of the present invention, the first connector further has a front sealing member wrapped around the first insulating body, the front sealing member is disposed near the front end of the first insulating body and is inwardly directed by the second insulating body extrusion.

As a further improvement of the present invention, each of the first and second connectors has a rear sealing member correspondingly inserted into the rear side of the first and second insulating bodies, and the rear sealing member is wrapped in the first and second connectors. Corresponding to the outside of the cable.

To achieve the above objective, the present invention also provides an electrical connector for mating with a mating connector, which includes:

The insulating body has a plurality of terminal slots extending in the front and rear directions; and

A plurality of conductive terminals are fixed in the corresponding terminal grooves of the aforementioned insulating body, and each of the aforementioned conductive terminals has a butting section that contacts the butting terminal;

The aforementioned insulating body further has a receiving space recessed from its front end surface, the aforementioned receiving space communicates with the aforementioned terminal groove, the aforementioned electrical connector further has a cover body fitted into the aforementioned receiving space, and the aforementioned cover body has a plurality of edges. The through grooves penetrating it in the front-to-rear direction, the through grooves and the terminal grooves are arranged in one-to-one correspondence to allow the mating terminals to be inserted in sequence.

Compared with the prior art, the electrical connector and electrical connector assembly of the present invention has a cover located on the front side of the electrical connector. The through slot penetrates the cover to realize the guidance and positioning of the mating terminal during insertion, which improves The accuracy and stability of the conductive terminal and the mating terminal.

Please refer to Figures 1 to 16 for a preferred embodiment of the electrical connector assembly of the present invention. The aforementioned electrical connector assembly includes a first connector 100 and a second connector 200 that are plugged into each other, as described below When the electrical connectors are combined, the first connector 100 can also be referred to as an electrical connector, and the second connector 200 is referred to as a mating connector. In addition, when the first connector 100 or the second connector 200 are introduced separately, the mating end of the first connector 100 or the second connector 200 is regarded as the front end, and the other end disposed opposite to the mating end is regarded as the back end .

Please refer to the first to the eleventh figure in combination with the sixteenth figure, the aforementioned first connector 100 is used for mating with the mating connector, and includes a first insulating body 11 and fixed in the aforementioned first insulating body 11 The plurality of first conductive terminals 12, the first insulating body 11 has a plurality of first terminal grooves 112 for accommodating the first conductive terminals 12, and a receiving space 113 recessed from the front end surface thereof, and the first terminal groove 112 extends along Extending in the front-rear direction, the receiving space 113 communicates with the first terminal groove 112.

The first insulating body 11 has a mounting surface 114 located inside the receiving space 113, and the first terminal groove 112 extends rearward from the mounting surface 114 and penetrates the first insulating body 11. The aforementioned first insulating body 11 also has a plurality of receiving grooves 115 recessed from the front end surface thereof.

Furthermore, in this embodiment, at least part of the receiving groove 115 is communicated with the first terminal groove 112. In this embodiment, the receiving groove 115 includes a first receiving groove 1151 located on the upper side of the first terminal groove 112 and a second receiving groove 1152 provided in one-to-one correspondence with the first terminal groove 112, and the second receiving groove 1152 It communicates with the corresponding first terminal slot 112.

The aforementioned first insulating body 11 also has a top wall 116 and a bottom wall 117 opposed to each other. At least one of the aforementioned top wall 116 and bottom wall 117 is formed with a fixing groove 118; in the embodiment shown in the present invention, the aforementioned Both the top wall 116 and the bottom wall 117 are formed with a pair of the aforementioned fixing grooves 118. In other embodiments of the present invention, one of the aforementioned fixing grooves 118 may be formed on only one of the top wall 116 and the bottom wall 117, that is, The number and form of the fixing grooves 118 provided on the top wall 116 and the bottom wall 117 are not limited.

Further, the first insulating body 11 further has a mounting groove 119 recessed on its outer surface and a plurality of stepped portions 1121 located in the first terminal groove 112. The mounting groove 119 is ring-shaped and close to the first insulating body. The front end of the body 11 is provided. The stepped portion 1121 and the first terminal groove 112 are provided in a one-to-one correspondence, and the stepped portion 1121 is protrudingly formed at the front portion of the corresponding first terminal groove 112. In this embodiment, the step portion 1121 is located on the front side of the wall surface 1153 after defining the first receiving groove 1151.

The first insulating body 11 also has a plurality of cantilever arms 1123 arranged in one-to-one correspondence with the first terminal groove 112, the cantilever arm 1123 is located between the corresponding first terminal groove 112 and the second receiving groove 1152, and The front side is the free end. Each of the cantilever arms 1123 has a retaining portion 1124 protruding toward the corresponding first terminal slot 112, and the retaining portion 1124 protrudes into the retaining slot 125 formed under the first conductive terminal 12.

Please refer to the fifth to eighth figures in combination with the tenth and eleventh figures. The first conductive terminal 12 is fixed to the corresponding first terminal groove 112 of the first insulating body 11, and each of the first conductive terminals The terminal 12 has a plug-in space 120 for the second conductive terminal 22 to plug in, a mating section 121 contacting the second conductive terminal 22 (also referred to as a docking terminal), and a first connecting portion 122 connected to the cable 13. The docking section 121 has a top board 1211, a bottom board 1212, and a pair of side boards 1213 connecting the top board 1211 and the bottom board 1212. The top board 1211 and the bottom board 1212 are disposed oppositely on both sides of the docking section 121 in the height direction.

The mating section 121 also has a first mating portion 1214 and a second mating portion 1215 which are arranged opposite to each other in the height direction. The first and second mating portions 1214 and 1215 are protrudingly arranged toward each other, and the second conductive terminal 22 is inserted into The first mating part 1214 and the second mating part 1215 are clamped by the first and second mating parts 1214 and 1215.

Specifically, the middle portion of the top plate 1211 protrudes downward to form the first mating portion 1214, the first mating portion 1214 protruding from the insertion space 120; the first conductive terminal 12 has a mating arm 123 extending from front to back, and The abutting arms 124 extending from back to front, the second butting portion 1215 is formed on the butting side of the butting arm 123, and the abutting arm 124 is located on the non-butting side of the butting arm 123 to resist it. The rear end of the resisting arm 124 is connected to one of the side plates 1213, and the front end is a free end. When the second mating portion 1215 is pressed by the second conductive terminal 22 and moves downward, the resisting arm 124 is in the mating arm The non-matching side of 123 resists it, so as to provide a good clamping force of the second conductive terminal 22, thereby achieving good electrical contact.

The first conductive terminal 12 further has a resisting convex portion 1216 formed to protrude from the top plate 1211 in a direction away from the insertion space 120. The resisting convex portion 1216 is located on the front side of the first mating portion 1214 and the direction of the protrusion between the two in contrast. The first conductive terminal 12 further has a clamping arm 1217 connected to one of the side plates 1213. The clamping arm 1217 is located on one side of the first conductive terminal 12 in the lateral direction, and the front end is a fixed end and the rear end is Free end.

When the aforementioned first conductive terminal 12 is assembled in the corresponding first terminal groove 112, the aforementioned resisting protrusion 1216 is located behind the aforementioned step portion 1121, and its front end face is resisted by the aforementioned step portion 1121 to prevent excessive forward insertion; The rear end of the clamping arm 1217 abuts against the blocking wall 1125 formed by the aforementioned first terminal groove 112.

Please refer to the third to sixth figures in combination with the ninth and tenth figures. The first connector 100 also has a cover 14 installed in the receiving space 113. The cover 14 has a plurality of The through grooves 141 passing through the through grooves 141 and the first terminal grooves 112 are provided in one-to-one correspondence to allow the second conductive terminals 22 (also referred to as mating terminals) to be inserted in sequence.

Each of the aforementioned through grooves 141 has a guiding section 1411 at the front and a limiting section 1412 at the rear. The projection of the limiting section 1412 on the mounting surface 114 falls into the first terminal slot 112 in the mounting Inside the projection on surface 114. With the guiding section 1411 on the front side with a larger opening, the aforementioned second conductive terminal 22 can be smoothly inserted into the through slot 141 and then into the first terminal slot 112, and by the limiting section on the rear side with a smaller opening 1412. The aforementioned second conductive terminal 22 can be accurately inserted into the corresponding first terminal slot 112 and effectively held therein.

The cover 14 has a main body portion 142 and an insertion portion 143 extending backward from the main body portion 142. The insertion portion 143 protrudes into the corresponding receiving groove 115 to enclose the front section of the first conductive terminal 12, so that, To fix the head of the first conductive terminal 12, the retention of the head area of the first conductive terminal 12 in the first terminal groove 112 is enhanced, and the head of the first conductive terminal 12 is prevented from shaking, thereby improving the second The accuracy and stability of the conductive terminal 22 during insertion.

In this embodiment, the aforementioned insertion portion 143 includes a first insertion portion 1431 located at the top of the height direction and a second insertion portion 1432 located on the lower side of the aforementioned first insertion portion 1431. The aforementioned first insertion portion 1431 is inserted and positioned backward. In the first receiving groove 1151, the second receiving groove 1152 and the second inserting portion 1432 are arranged in a one-to-one correspondence for insertion of the corresponding second inserting portion 1432.

The cover 14 further has a locking portion 144 extending forward from the main body portion 142 to be fixedly fitted with the first insulating body 11, and the locking portion 144 and the inserting portion 143 are separately disposed in front of and behind the main body 142 On both sides, the engaging portion 144 is sandwiched between the first insulating body 11 and the second insulating body 21. Specifically, the cover 14 has a pair of the engaging portions 144 disposed on both sides in the height direction and oppositely disposed, and each of the engaging portions 144 has at least one fixing portion 1441 protruding outward. That is, the engaging portion 144 on the upper side has the fixing portion 1441 protruding upward, and the engaging portion 144 on the lower side has the fixing portion 1441 protruding downward.

The cover 14 is assembled into the receiving space 113 from front to back, the first insertion portion 1431 is inserted backwards and positioned in the first receiving groove 1151, and the second insertion portion 1432 is inserted and positioned in the corresponding second receiving groove. In 1152, the fixing portion 1441 is buckled and received in the fixing groove 118 to fix the cover 14 and the first insulating body 11 on the front side.

Please refer to the first to third figures in combination with the eleventh to fourteenth figures, the second connector 200 includes the second insulative body 21, and a plurality of the first insulators fixed in the second insulative body 21 Two conductive terminals 22 and a cable 23 connected to the aforementioned second conductive terminal 22.

In this embodiment, the second conductive terminal 22 has a flat contact portion 221, a holding portion 223 located behind the contact portion 221, and a second wiring portion 224 connected to the cable 23. The contact portion 221 is inserted into the The through groove 141 and the aforementioned first terminal groove 112 have a first contact portion 2211 and a second contact portion 2212 folded from the side of the first contact portion 2211 and stacked on the aforementioned first contact portion 2211.

Further, the holding portion 223 includes a first flat portion 2231 and a second flat portion 2232 superimposed in the height direction. The first flat portion 2231 and the second flat portion 2232 are connected from the first contact portion 2211 and the second contact portion, respectively. The portion 2212 is formed integrally extending backward. The holding portion 223 further has a first flange portion 2233 formed by bending upward from the rear portion of the first flat portion 2231 and a second flange portion 2234 formed by bending downward from the rear portion of the second flat portion 2232. The first flanging portion 2233 and the second flanging portion 2234 are located on the same side of the holding portion 223 in the transverse direction, and extend oppositely and oppositely.

The aforementioned holding portion 223 also has a pair of elastic holding arms 2235 arranged opposite to the two sides in the height direction, so as to stop the second conductive terminal 22 inside the aforementioned second insulating body 21 on both sides to prevent exit.

Further, the first connector 100 further has a front seal 15 wrapped around the first insulating body 11, and the front seal 15 is disposed close to the front end of the first insulating body 11 to be received in the mounting groove 119 and is The aforementioned second insulating body 21 is squeezed inward. In this embodiment, a plurality of protrusions 151 protruding outward are formed on the periphery of the front sealing member 15, and two adjacent protrusions 151 are arranged at intervals along the front and rear directions. Please refer to Figure 16, the front sealing member 15 is sandwiched between the first insulating body 11 and the second insulating body 21, and the protrusion 151 outside the front sealing member 15 is covered by the second insulating body 21 The gap between the first and second insulating bodies 11 and 21 is sealed by pressing.

In addition, the aforementioned first and second connectors 100, 200 have correspondingly inserted rear seals 16, 26 on the rear sides of the first and second insulating bodies 11, 21, and the aforementioned rear seals 16, 26 are wrapped in the aforementioned first, The corresponding cables 13 and 23 of the second connectors 100 and 200 are externally stored in the aforementioned first and second insulating bodies 11 and 21. In this embodiment, the aforementioned first connector 100 has a plurality of the aforementioned rear seals 16 which are independent of each other so as to be respectively sheathed outside the cables 23. In other embodiments, the aforementioned first connector 100 may also have one piece According to the formula, the aforementioned rear seal 16 is simultaneously sheathed outside the plurality of cables 13; further, the rear end faces of the aforementioned rear seals 16, 26 are flush with the rear end faces of the aforementioned first and second insulating bodies 11, 21 respectively.

The first connector 100 of the electrical connector assembly of the present invention realizes the guiding and positioning of the second conductive terminal 22 when the second conductive terminal 22 is inserted through the through groove 141 formed through the cover 14 to improve the first conductive terminal 12 and the second conductive terminal 12 The accuracy and stability of the conductive terminal 22 when plugged in.

In particular, it should be pointed out that for those of ordinary skill in the art, equivalent changes made to the present invention under the teaching of the present invention should still be included in the claimed scope of the patent application of the present invention.

100: first connector, electrical connector 11: The first insulating body 112: First terminal slot 1121: Step 1123: Cantilever 1124: card slot department 1125: blocking wall 113: Containment Space 114: mounting surface 115: Containment Slot 1151: First Containment Slot 1152: Second Containment Slot 1153: back wall 116: top wall 117: bottom wall 118: fixed slot 119: installation slot 12: The first conductive terminal 120: docking space 121: docking section 1211: top plate 1212: bottom plate 1213: side panel 1214: The first docking part 1215: The second docking part 1216: resist the convex part 1217: card holding arm 122: The first terminal 123: Butt Arm 124: Butt Arm 125: card slot 13, 23: Cable 14: Lid 141: Channel 1411: Guiding section 1412: limit segment 142: Main Body 143: Insertion part 1431: first insertion part 1432: second insertion part 144: Card Fitting Department 1441: Fixed part 15: Front seal 151: Protruding Strip 16, 26: rear seal 200: second connector, butt connector 21: The second insulating body 22: second conductive terminal, butt terminal 221: Contact 2211: first contact 2212: second contact 223: Holding Department 2231: The first flat part 2232: The second flat part 2233: The first flange part 2234: second flange part 2235: Holding Arm 224: The second terminal

The first figure is a three-dimensional assembly diagram of the electrical connector assembly of the present invention. The second figure is another view of the electrical connector assembly shown in the first figure. The third figure is a perspective view of the first and second connectors of the electrical connector assembly shown in the second figure when the first and second connectors are not connected. The fourth figure is a three-dimensional assembly view of the first connector of the electrical connector assembly shown in the third figure. Figure 5 is an exploded perspective view of the first connector shown in Figure 4. Figure 6 is a partial exploded view of the first connector shown in Figure 5 after the cable is removed. Figure 7 is a perspective view of the first conductive terminal of the first connector shown in Figure 5. The eighth figure is a view from another perspective of the first conductive terminal shown in the seventh figure. Figure 9 is a perspective view of the cover of the first connector shown in Figure 5. Figure 10 is a schematic cross-sectional view of the first connector shown in Figure 4 with the cable, cover and part of the conductive terminals removed. Figure 11 is a schematic cross-sectional view of the first connector shown in Figure 4 with the cable removed. Figure 12 is a three-dimensional assembly view of the second connector of the electrical connector assembly shown in Figure 1. Figure 13 is an exploded perspective view of the second connector shown in Figure 12. Figure 14 is a perspective view of the second conductive terminal of the second connector shown in Figure 13. Figure 15 is a view of the second conductive terminal shown in Figure 14 from another perspective. Figure 16 is a schematic cross-sectional view of the electrical connector assembly shown in Figure 2 with part of the conductive terminals removed.

11: The first insulating body

1123: Cantilever

14: Lid

141: Channel

143: Insertion part

144: Card Fitting Department

15: Front seal

16, 26: rear seal

21: The second insulating body

2235: Holding Arm

224: The second terminal

Claims (10)

An electrical connector assembly, comprising: a first connector, including a first insulating body and a plurality of first conductive terminals fixed in the first insulating body, the first insulating body has a plurality of first conductive terminals accommodating the first conductive terminals A terminal slot; the second connector is inserted into the first connector, and includes a second insulating body and a plurality of second conductive terminals fixed in the second insulating body; wherein the first insulating body also has self The front end faces a receiving space formed by a recessed rearward, the receiving space communicates with the first terminal groove, the first connector further has a cover body that fits into the receiving space, and the cover body has a plurality of Through the through grooves, the through grooves and the first terminal grooves are arranged in one-to-one correspondence for the second conductive terminals to be inserted in sequence. The electrical connector described in the first item of the scope of patent application, wherein the first insulating body has a mounting surface located inside the accommodating space, and the first terminal groove extends rearward from the mounting surface and penetrates the first insulating body, Each of the aforementioned through slots has a guide section located at the front portion and a limiting section located at the rear portion thereof, and the projection of the limiting section on the mounting surface falls into the projection of the first terminal slot on the mounting surface. The electrical connector according to the second item of the scope of patent application, wherein the cover has a main body and an insertion portion extending rearward from the main body, and the first insulating body has a plurality of receiving grooves recessed from the front end surface thereof, The insertion portion protrudes into the corresponding receiving groove to wrap the front section of the first conductive terminal. According to the electrical connector described in item 3 of the scope of patent application, at least part of the aforementioned receiving groove is communicated with the aforementioned first terminal groove. According to the electrical connector described in item 4 of the scope of patent application, the cover body further has a locking part extending forward from the main body part to be fixedly fitted with the first insulating body. According to the electrical connector described in item 5 of the scope of patent application, the engaging portion is sandwiched between the first insulating body and the second insulating body. The electrical connector described in item 3 of the scope of patent application, wherein the second conductive terminal has a flat contact portion and a pair of holding arms located on the rear side of the contact portion, and the contact portion is inserted into the through groove and the first Terminal groove, and has a first contact portion and a second contact portion formed by folding over from the side portion of the first contact portion and stacked on the first contact portion, and the pair of holding arms are disposed opposite to the second conductive portion The two sides of the terminal in the height direction limit the second conductive terminal to be located inside the second insulating body. The electrical connector according to any one of the first to the seventh of the scope of the patent application, wherein the first connector further has a front sealing member wrapped around the first insulating body, and the front sealing member is close to the first insulating body The front end is arranged and squeezed inward by the aforementioned second insulating body. The electrical connector described in item 8 of the scope of the patent application, wherein the first and second connectors have corresponding rear seals inserted into the rear sides of the first and second insulating bodies, and the rear seal is wrapped in the first 1. Outside the corresponding cable of the second connector. An electrical connector for mating with a mating connector, comprising: an insulating body having a plurality of terminal grooves extending in the front and rear directions; and a plurality of conductive terminals fixed in the corresponding terminal grooves of the insulating body, each The conductive terminal has a butting section that is in contact with the butting terminal; wherein the insulating body further has a receiving space recessed from the front end surface thereof, the receiving space is connected to the terminal groove, and the electrical connector is also fitted into the receiving space. For the cover in the space, the cover has a plurality of through grooves penetrating it in the front and back direction, and the through grooves and the terminal grooves are arranged one-to-one for the docking terminals to be inserted in sequence.

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