TWI688168B - 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 conventional electrical connector assembly includes a mated electrical connector and a mating connector. 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 grooves for receiving corresponding conductive terminals. The conductive terminal is usually positioned in the insulating body by a fixing portion provided near the rear side, but the head region of the conductive terminal lacks the necessary positioning and holding structure, and the head of the conductive terminal and the insulating body The holding force of the terminal is often insufficient; in addition, when the diameter of the aforementioned terminal groove is usually large for the insertion and miniaturization of the docking terminal, there may be a risk of misalignment when the docking terminal is inserted.

In view of this, it is indeed necessary to further improve the cooperation of traditional electrical connectors and electrical connector groups in order to solve the above problems.

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

To achieve the above object, the present invention provides an electrical connector assembly, which includes: 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 A plurality of first terminal slots for accommodating the aforementioned 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 second insulating body; wherein the first insulating body further has a back facing from the front end A concavely formed receiving space, the receiving space communicates with the first terminal groove, the first connector further has a cover body inserted into the receiving space, the cover body has a plurality of through grooves penetrating the front and rear directions The through slots correspond to the first terminal slots one by one, and the through slots are located in front of the first conductive terminals for the second conductive terminals to be inserted into the through slots and the first terminal slots in sequence after the first terminal The slot is in contact with the aforementioned first conductive terminal.

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

As a further improvement of the present invention, the cover body has a body portion and an insertion portion extending rearward from the body portion, the first insulating body has a plurality of receiving grooves recessed rearward from the front end surface thereof, and the insertion portion protrudes into the corresponding In the accommodating groove to enclose the front section of the first conductive terminal.

As a further improvement of the present invention, at least part of the accommodating groove communicates with the first terminal groove.

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

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

As a further improvement of the present invention, 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, the contact portion is inserted into the through slot and the first terminal slot, and has a first A contact portion and a second contact portion folded 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 two of the second conductive terminals in the height direction 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 seal member wrapped around the first insulation body, the front seal member is disposed near the front end of the first insulation body and is inward by the second insulation body extrusion.

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

In order to achieve the above object, the present invention also provides an electrical connector for mating with a mating connector, which includes: an insulating body having a plurality of terminal grooves extending in the front-rear direction; and a plurality of conductive terminals held by the foregoing Corresponding to the terminal groove of the insulating body, each of the aforementioned conductive terminals has a mating section that contacts the mating terminal; wherein the insulating body further has a receiving space recessed rearwardly from the front end face thereof, the receiving space communicating with the terminal groove, The electrical connector further includes a cover body inserted into the accommodation space, the cover body has a plurality of through grooves penetrating through the front and rear directions, the through grooves are provided in one-to-one correspondence with the terminal grooves, and the through grooves are located in the first In front of a conductive terminal, for the mating terminal to be inserted into the through slot and the first terminal slot in sequence, then in the first terminal slot and the first conductive terminal Docking.

Compared with the prior art, the electrical connector and the electrical connector combination of the present invention have a cover body located on the front side of the electrical connector. Through the through-groove provided on the cover body, the guiding and positioning of the docking terminal during insertion are improved The accuracy and stability of the conductive terminal and the docking terminal when plugged.

100: first connector, electrical connector

11: The first insulating body

112: first terminal slot

1121: Step

1123: cantilever

1124: Card position

1125: Barrier wall

113: containment space

114: mounting surface

115: containment tank

1151: The first containment tank

1152: Second containment tank

1153: Rear 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 department

1215: Second docking department

1216: Resist convex part

1217: Card arm

122: First wiring section

123: Docking arm

124: abutment arm

125: card slot

13, 23: Cable

14: Cover

141: through slot

1411: Guiding section

1412: Limit section

142: Main body

143: Insertion part

1431: First insertion part

1432: Second insertion part

144: Card Matching Department

1441: fixed part

15: Front seal

151: protrusion

16, 26: Rear seal

200: second connector, butt connector

21: Second insulating body

22: second conductive terminal, butt terminal

221: Contact

2211: First contact

2212: Second contact

223: Holding Department

2231: The first flat section

2232: Second flat panel

2233: The first flanging section

2234: Second flanging section

2235: Holding arm

224: Second wiring part

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

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

The third diagram is a perspective view of the first and second connectors of the electrical connector assembly shown in the second diagram when they are not inserted.

The fourth figure is a perspective assembly view of the first connector of the electrical connector assembly shown in the third figure.

The fifth figure is an exploded perspective view of the first connector shown in the fourth figure.

Figure 6 is a partially exploded view of the first connector shown in Figure 5 after the cable is removed.

The seventh figure is a perspective view of the first conductive terminal of the first connector shown in the fifth figure.

The eighth figure is a view of the first conductive terminal shown in the seventh figure from another perspective.

The ninth figure is a perspective view of the cover of the first connector shown in the fifth figure.

The tenth figure is a schematic cross-sectional view of the first connector shown in the fourth figure after the cable, the cover and some conductive terminals are removed.

Figure 11 is a schematic cross-sectional view of the first connector shown in Figure 4 after the cable is removed.

Figure 12 is a perspective assembly view of the second connector of the electrical connector assembly shown in the first figure.

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.

FIG. 15 is another view of the second conductive terminal shown in FIG. 14.

Figure 16 is a schematic cross-sectional view of the electrical connector assembly shown in the second figure after removing some of the conductive terminals.

Please refer to the first to sixteenth figures for preferred embodiments of the electrical connector assembly of the present invention. The foregoing electrical connector assembly includes a first connector 100 and a second connector 200 that are plugged into each other. When the electrical connectors are assembled, the first connector 100 may also be called an electrical connector, and the second connector 200 is called a mating connector. In addition, when introducing the first connector 100 or the second connector 200 separately, the mating end of the first connector 100 or the second connector 200 is regarded as the front end, and the other end opposite to the mating end is regarded as the rear end .

Please refer to the first to eleventh figures in conjunction with the sixteenth figure, the first connector 100 is used for docking with the mating connector, and includes a first insulating body 11 and is fixed in the first insulating body 11 A 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 an accommodating space 113 recessed from the front end of the first terminal body 112, and the first terminal grooves 112 are along The front-rear direction extends, and the accommodating 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. The first terminal groove 112 extends backward from the mounting surface 114 and penetrates the first insulating body 11. The first insulating body 11 also has a plurality of receiving grooves 115 recessed from the front end of the first housing 11.

Further, in this embodiment, at least part of the receiving groove 115 communicates with the first terminal groove 112. In this embodiment, the receiving slot 115 includes a first receiving slot 1151 located above the first terminal slot 112 and a second receiving slot 1152 corresponding to the first terminal slot 112 in one-to-one correspondence, the second receiving slot 1152 It communicates with the corresponding first terminal groove 112.

The first insulating body 11 also has a top wall 116 and a bottom wall 117 oppositely arranged. A fixing groove 118 is formed on at least one of the top wall 116 and the bottom wall 117; in the embodiment shown in the present invention, a pair of the above-mentioned fixing groove 118 is formed on the top wall 116 and the bottom wall 117. In other embodiments, only one of the fixing grooves 118 may be formed on one of the top wall 116 and the bottom wall 117, that is, the number and form of the fixing grooves 118 formed on the top wall 116 and the bottom wall 117 Not limited.

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

The first insulating body 11 further has a plurality of overhanging arms 1123 corresponding to the first terminal slots 112, the overhanging arms 1123 are located between the corresponding first terminal slots 112 and the second receiving slots 1152, and The front side is the free end. Each of the cantilevered arms 1123 has a latching portion 1124 that protrudes toward the corresponding first terminal slot 112. The latching portion 1124 protrudes into the latching slot 125 formed under the first conductive terminal 12.

Please refer to the fifth to eighth figures in conjunction with the tenth and eleventh figures. The first conductive terminal 12 is held in the corresponding first terminal slot 112 of the first insulating body 11, and each of the first conductive The terminal 12 has an insertion space 120 into which the second conductive terminal 22 is inserted, a butting section 121 in contact with the second conductive terminal 22 (also called a butting terminal), and a first wiring portion 122 connected to the cable 13, as described above The docking section 121 has a top plate 1211, a bottom plate 1212, and a pair of side plates 1213 connecting the top plate 1211 and the bottom plate 1212. The top plate 1211 and the bottom plate 1212 are disposed on opposite sides of the docking section 121 in the height direction.

The aforementioned docking segment 121 also has a first docking portion 1214 and The second docking portion 1215, the first and second docking portions 1214, 1215 protrude toward each other, and the second conductive terminal 22 is interposed between the first docking portion 1214 and the second docking portion 1215 and is The second docking parts 1214, 1215 are clamped.

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

The first conductive terminal 12 further has an abutment protrusion 1216 formed to protrude from the top plate 1211 away from the insertion space 120. The abutment protrusion 1216 is located on the front side of the first mating portion 1214 and the protrusion direction of 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 its front end is a fixed end and its rear end is Free end.

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

Please refer to the third to sixth figures in conjunction with the ninth and tenth figures, the first connector 100 further has a cover 14 inserted into the receiving space 113, the cover 14 has a plurality of A through slot 141 penetrating therethrough, the through slot 141 and the first terminal slot 112 are provided in a one-to-one correspondence for the second conductive terminals 22 (also called butt terminals) to be inserted in sequence.

Each of the through slots 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 during the mounting Inside the projection on face 114. With the guide section 1411 on the front side and the larger opening, the second conductive terminal 22 can be smoothly inserted into the through slot 141 and then into the first terminal slot 112, and through the limiting section on the rear side and the smaller opening At 1412, the aforementioned second conductive terminal 22 can be accurately inserted into the corresponding first terminal slot 112 and effectively retained therein.

The cover body 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, thus, In order to fix the head portion of the first conductive terminal 12 and enhance the holding force of the head region of the first conductive terminal 12 in the first terminal groove 112, the head portion of the first conductive terminal 12 is prevented from shaking, thereby improving the second The accuracy and stability of the conductive terminal 22 when it is inserted.

In the present embodiment, the insertion portion 143 includes a first insertion portion 1431 located at the top of the height direction and a second insertion portion 1432 located below the first insertion portion 1431. The first insertion portion 1431 is inserted backward and positioned In the first receiving slot 1151, the second receiving slot 1152 and the second insertion portion 1432 are provided in a one-to-one correspondence for the corresponding second insertion portion 1432 to be inserted.

The cover body 14 further has a snap-fit portion 144 extending forward from the main body portion 142 to be fixedly engaged with the first insulating body 11, and the snap-fit portion 144 and the insertion portion 143 are disposed before and after the main body portion 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 opposite sides of the height direction and oppositely disposed, and each of the engaging portions 144 has at least one fixing portion 1441 protruding outward. and also That is, the engaging portion 144 located on the upper side has the fixing portion 1441 protruding upward, and the engaging portion 144 located 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 backward 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 snapped 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 conjunction with the eleventh to fourteenth figures. The second connector 200 includes the second insulating body 21 and a plurality of the first 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 on the rear side of 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 slot 141 and the first terminal slot 112 have a first contact portion 2211 and a second contact portion 2212 formed by being folded over from the side of the first contact portion 2211 and stacked on the first contact portion 2211.

Further, the holding portion 223 includes a first flat plate portion 2231 and a second flat plate portion 2232 stacked in the height direction. The first flat plate portion 2231 and the second flat plate portion 2232 are respectively separated from the first contact portion 2211 and the second contact The portion 2212 is integrally formed to extend backward. The holding portion 223 further includes a first flange portion 2233 formed by bending upward from the rear portion of the first flat plate portion 2231 and a second flange portion 2234 formed by bending downward from the rear portion of the second flat plate 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 lateral direction, and extend oppositely and in opposite directions.

The holding portion 223 further has a pair of elastic holding arms 2235 opposite to each other in the height direction to limit the second conductive terminals 22 on the two sides inside the second insulating body 21 Prevent exit.

Further, the first connector 100 further has a front seal 15 wrapped around the first insulating body 11. The front seal 15 is disposed near 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 pressed inward. In this embodiment, a plurality of protrusions 151 protruding outward are formed on the periphery of the front seal 15, and two adjacent protrusions 151 are spaced apart in the front-rear direction. Referring to FIG. 16, the front sealing member 15 is sandwiched between the first insulating body 11 and the second insulating body 21, and the protruding bar 151 outside the front sealing member 15 is separated by the second insulating body 21 Press to seal the gap between the first and second insulating bodies 11 and 21.

In addition, the first and second connectors 100 and 200 each have seals 16 and 26 corresponding to the rear sides of the first and second insulating bodies 11 and 21, and the rear seals 16 and 26 are wrapped in the first and second The corresponding cables 13 and 23 of the second connectors 100 and 200 are externally received in the first and second insulating bodies 11 and 21. In this embodiment, the first connector 100 has a plurality of the rear seals 16 which are independent of each other to be sheathed outside each cable 23 respectively. In other embodiments, the first connector 100 may also have one piece The rear seals 16 sleeved on multiple cables 13 at the same time; further, the rear end faces of the rear seals 16, 26 are flush with the rear end faces of the 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 plugged, through the through-groove 141 formed through the cover body 14 to improve the first conductive terminal 12 and the second The accuracy and stability of the conductive terminal 22 when plugged.

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 scope claimed by the patent application scope of the present invention.

11: The first insulating body

1123: cantilever

14: Cover

141: through slot

143: Insertion part

144: Card Matching Department

15: Front seal

16, 26: Rear seal

21: Second insulating body

2235: Holding arm

224: Second wiring part

Claims (10)

An electrical connector assembly includes 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 A terminal slot; the second connector is inter-connected with 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 further has a The front end of the storage space is formed by being recessed rearward. The storage space communicates with the first terminal groove. The first connector further has a cover body inserted into the storage space. The cover body has a plurality of A through-groove, the through-groove is corresponding to the first terminal groove, and the through-groove is located in front of the first conductive terminal, so that the second conductive terminal is inserted into the through-groove and the first terminal groove in sequence , In the first terminal groove, it is in contact with the aforementioned first conductive terminal. The electrical connector assembly as described in item 1 of the patent application range, 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 through slots has a guiding section at the front and a 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 . The electrical connector assembly as described in item 2 of the patent application scope, wherein the cover body has a main body portion and an insertion portion extending backward from the main body portion, and the first insulating body has a plurality of receiving grooves recessed rearward 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. The electrical connector assembly as described in item 3 of the patent application scope, wherein at least part of the receiving groove communicates with the first terminal groove. The electrical connector assembly as described in item 4 of the patent application scope, wherein the cover body further has a snap-fit portion extending forward from the main body portion to be fixedly engaged with the first insulating body. The electrical connector assembly as described in item 5 of the patent application scope, wherein the clamping portion is sandwiched between the first insulating body and the second insulating body. The electrical connector combination as described in item 3 of the patent application range, 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, the contact portion is inserted into the through slot and the first A terminal groove with a first contact portion and a second contact portion formed by folding from the side portion of the first contact portion and stacked on the first contact portion, the pair of holding arms are oppositely disposed on the second contact portion The two sides of the conductive terminal in the height direction are used to limit the second conductive terminal inside the second insulating body. The electrical connector combination as described in any one of patent application scopes 1 to 7, wherein the first connector further has a front seal wrapped around the first insulation body, the front seal is close to the first insulation The front end of the body is disposed and pressed inward by the aforementioned second insulating body. The electrical connector combination as described in item 8 of the patent application scope, wherein the first and second connectors each have a sealing member correspondingly inserted into the rear side of the first and second insulating bodies, and the rear sealing member is wrapped in the foregoing The corresponding cables of the first and second connectors are outside. An electrical connector for mating with a mating connector, comprising: an insulating body having a plurality of terminal slots extending in the front-rear direction; and a plurality of conductive terminals, corresponding terminal slots held in the insulating body, each of the foregoing The conductive terminal has a docking section that is in contact with the docking terminal; The insulating body further has an accommodating space formed by being recessed rearward from its front end, the accommodating space communicates with the terminal groove, the electrical connector further has a cover body inserted into the accommodating space, and the cover body has a plurality of edges A through slot penetrating it in the front-to-rear direction, the through slot corresponding to the terminal slot, and the through slot being located in front of the conductive terminal for the mating terminal to be inserted into the through slot and the terminal slot in sequence, after the terminal slot The inner connector is in contact with the conductive terminal. The electric connector further has a front sealing member wrapped around the insulating body. The front sealing member is disposed near the front end of the insulating body to be pressed inward by the insulating body of the mating connector.

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