TWI701873B - Electrical connector and assembly thereof - Google Patents

Abstract

An electrical connector assembly includes a plug connector and a receptacle connector. The plug connector has a first mating surface and includes a first insulative housing and a first contacts. The receptacle connector has a second mating surface and includes a second insulative housing and a second contacts. The first contacts include a first power terminal and a first detection terminal. The second contacts include a second power terminal and a second detection terminal. The first power terminal has a first contact portion. The second power terminal has a second contact portion. The first detection terminal has a first detection unit. The second detection terminal has a second detection unit. The first contact portion is closer to the first mating surface than the first detection unit. The second contact portion is closer to the second mating surface than the second detection unit. Therefore, the power terminal and the detection terminal can be contact or disconnect at different time, so that the spark derived from the instaneous discharger of the power terminal could be avoid.

Description

Electric connector and its combination

The invention relates to an electrical connector and a combination thereof, in particular to an electrical connector and a combination that are safer in plugging and unplugging.

For the prior art, please refer to the electrical connector assembly disclosed in Mainland China Utility Model No. CN204144588U Patent Announcement, which includes a first connector and a second connector that are mated with each other. The first connector includes a first insulating body and is held in A first terminal of an insulating body, the second connector includes a second insulating body and a second terminal held on the second insulating body, the first and second terminals each include five terminals, the five terminals are located in the middle The detection terminal and the power terminals located on both sides of the detection terminal, in the mating direction, the five first terminals are arranged flush, and the five second terminals are also arranged flush. When the first and second connectors are plugged and unplugged, The contact conduction or disconnection of the first and second power terminals and the first and second detection terminals at the same time may cause instantaneous discharge of the power terminals, posing safety risks, and affecting the service life of the electrical connector.

Therefore, it is indeed necessary to provide a new electrical connector and its combination to overcome the above-mentioned drawbacks.

The purpose of the present invention is to provide an electrical connector and a combination thereof, which can avoid instantaneous discharge of power terminals and improve the safety of the electrical connector.

In order to achieve the above-mentioned technical problems, the present invention is achieved by the following technical solution one: an electrical connector is defined with a mating direction and a mating surface located at the front end of the mating direction, the electrical connector includes an insulating body and is held in the insulating body的 terminal, the terminal includes a power terminal and A detection terminal, the power terminal is provided with a contact portion extending along a mating direction, the detection terminal is provided with a detection portion, and in the mating direction, the contact portion is closer to the Butt surface.

In order to solve the above technical problems, the present invention is also implemented by the following technical solution 2: an electrical connector assembly, which includes a plug connector and a socket connector that are mated with each other, the plug connector is provided with a first mating surface and includes a first mating surface An insulating body and a first terminal fixed to the first insulating body, the socket connector is provided with a second mating surface and includes a second insulating body and a second terminal fixed to the second insulating body, the The first and second mating surfaces are respectively the part where the plug connector and the socket connector are first to be mated with each other when they are mated with each other. The first terminal includes a first power terminal and a first detection terminal. The two terminals include a second power terminal and a second detection terminal respectively matched with the first power terminal and the first detection terminal. The first and second power terminals are respectively provided with first and second power terminals extending in the mating direction and mating with each other. 1. The second contact part. The first and second detection terminals are respectively provided with first and second detection parts that contact each other to achieve a detection function. The first contact part is larger than the first detection The part is closer to the first mating surface, and the second contact part is closer to the second mating surface than the second detecting part.

Compared with the prior art, the present invention has at least the following effects: the detection terminal and the power terminal of the electrical connector and the combination of the present invention are connected in different timings and are provided with buttons that can control the contact or disconnection of the detection terminal, thereby avoiding the power supply. The instantaneous discharge of the terminal improves the safety index and service life of the electrical connector. In addition, the design of button control to detect the opening and closing of the terminal further increases the safety of the electrical connector and is easy to operate.

1: The first docking surface

10: Docking space

100: plug connector

1000: Plug connector combination

2: The first insulating body

200: socket connector

21: The first bearing part

22: The second bearing part

211: Containment Slot

221: Groove

222: Slot

23: sunken

231: First signal terminal slot

3: The first terminal

31: The first power terminal

311: first contact

3111: sleeve

3112: clamping element

3113: shrapnel

3114: Docking point

3115: Limit

32: The first detection terminal

321: First Detection Department

322: Bulge

33: The first signal terminal

331: First dock

34: The first ground terminal

341: first ground part

4: The second docking surface

5: The second insulating body

51: Slotting

52: boss

521: Support

522: Second signal terminal slot

53: The first coordination part

54: The third coordination part

6: second terminal

61: second power terminal

611: second contact

62: second detection terminal

621: Second Detection Department

63: The second signal terminal

631: second docking part

64: second ground terminal

641: second ground part

7: Insulating shell

71: The first button

72: second button

8: shell

81: The first limit slot

82: second limit slot

83: The second coordination part

84: The fourth coordination part

9: lock fastener

91: The first locking arm

911: the first protrusion

912: The first locking part

92: Second locking arm

921: second protrusion

922: second locking part

The first figure is a perspective view of the plug connector of the present invention; the second figure is a perspective exploded view of the plug connector shown in the first figure; the third figure is a perspective exploded view of the plug connector shown in the second figure from another angle; Figure 4 is a partial three-dimensional exploded view of the plug connector of the present invention; Figure 5 is a perspective view of the socket connector of the present invention; Figure 6 is a perspective exploded view of the socket connector shown in Figure 5; Figure 7 is a perspective exploded view of the socket connector shown in Figure 6 from another angle; Figure 8 is a perspective view of the electrical connector assembly of the present invention; Figure 9 is a perspective view of the electrical connector assembly shown in Figure 8 from another angle; Figure 10 is a perspective view of the electrical connector assembly of the present invention in a docked state; Figure 11 It is a cross-sectional view of the electrical connector assembly of the present invention along the line XI-XI in Figure 10; Figure 12 is a cross-sectional view of the electrical connector assembly of the present invention along the line XII-XII in Figure 10; Figure 13 is the first Figure 11 is a cross-sectional view when the first button is pressed; Figure 14 is a perspective view of the electrical connector assembly of the present invention in another mating state; Figure 15 is a perspective view of the electrical connector assembly of the present invention along XV- in Figure 14 A cross-sectional view of line XV; Figure 16 is a cross-sectional view of the electrical connector assembly of the present invention along the line XVI-XVI in Figure 14; Figure 17 is a cross-sectional view of the electrical connector assembly shown in Figure 12 pressing the second button Fig. 18 is a perspective exploded view of the first terminal of the electrical connector of the present invention and a perspective view of the second terminal; and Fig. 19 is a perspective view of the electrical connector of the present invention when the first terminal and the second terminal are mated Perspective view.

Hereinafter, specific implementations of the electrical connector and its combination of the present invention will be introduced in conjunction with the first to nineteenth figures.

Please refer to the first to the ninth figures, the present invention discloses an electrical connector assembly 1000, which includes a plug connector 100 and a socket connector 200 mated to each other. The mutual insertion direction of the plug connector 100 and the socket connector 200 is defined as the mating direction.

As shown in the first to seventh figures, the plug connector 100 is provided with a first mating surface 1 located at the front end of the mating direction, and includes a first insulating body 2, and a first insulating body 2 fixed to the first insulating body 2. A terminal 3, a latch 9 fixed on the first insulating body 2 and an insulating housing 7 covering the first insulating body 2, the insulating housing 7 is provided with a button; the socket connector 200 is provided There is a second mating surface 4 and includes a second insulating body 5, a second terminal 6 fixed to the second insulating body 5, and a housing 8 that is arranged outside the second insulating body 5. The housing 8 A docking space 10 is formed between the second terminal 6 and the second terminal 6. In this embodiment, the material of the housing 8 is stainless steel. The first mating surface 1 and the second mating surface 4 are respectively the part that the plug connector 100 and the socket connector 200 are first to be mated with each other when the plug connector 100 and the receptacle connector 200 are mated with each other, and the first terminal 3 includes a first power terminal 31 And the first detection terminal 32, the second terminal 6 includes a second power terminal 61 and a second detection terminal 62 that are matched with the first power terminal 31 and the first detection terminal 32, respectively, the first, The second power terminals 31, 61 are respectively provided with first and second contact portions 311, 611 extending along the mating direction and mating with each other. The first and second detecting terminals 32, 62 are respectively provided with mutual contact to achieve detection. The first and second detecting parts 321, 621 of the detection function, the first contact part 311 is closer to the first mating surface 1 than the first detecting part 321, and the second contact part 611 is shorter than the The second detecting portion 621 is closer to the second mating surface 4.

Focusing on the fourth figure, the first insulating body 2 includes a pair of first bearing portions 21 extending along the butting direction and a second bearing portion 22 located between the two first bearing portions 21. The first bearing portion 21 is closer to the first mating surface 1 than the second bearing portion 22, and a recess 23 is formed at the front end of the second bearing portion 22 (see the first figure for reference numerals). Each first bearing portion 21 There is a receiving groove 211 penetrating the front end of the second bearing portion 22, the second supporting portion 22 is provided with a groove 221 penetrating the front end and intersecting the recess 23, and located on the side of the groove 221 and intersecting the groove 221 The slot 222 (the reference number is shown in the third figure). The first contact portions 311 are respectively received in the receiving groove 211, and the first detecting portion 321 is received in the slot 222 and protrudes into the groove 23, namely the first power supply The terminal 31 is provided on the first supporting portion 21, and the first detecting terminal 32 is provided on the second supporting portion 22.

Focusing on Figures 6 and 11, the second insulating body 5 includes a plurality of slots 51 and a boss 52 protruding forward, and the second contact portions 611 protrude forward from the slots respectively 51. When the plug connector 100 and the socket connector 200 are mated with each other, the boss 52 is received in the recess 23 of the plug connector 100, and the front end of the boss 25 is provided with a pair of forward convex The support portion 521 extended and received in the groove 23, the second detection portion 621 is fixed between the two support portions 521 for the first detection portion 321 to contact forward or reverse and then Achieve detection function.

The first terminal 3 includes a pair of first signal terminals 33, the second terminal 6 includes a pair of second signal terminals 63 that cooperate with the first signal terminals 33 to transmit signals, and the recess 23 is provided with a pair of A first signal terminal slot 231 outside the groove 23 for receiving the first signal terminal 32, the boss 52 is provided with a pair of outside the two supporting portions 521 for receiving the second signal terminal 63 of the second signal terminal groove 522, the first and second signal terminals 33, 63 are respectively provided with first and second mating portions 331, 331 received in the first and second signal terminal grooves 321, 522 631. Refer to Figure 16, the first docking portion 331 is closer to the first docking surface 1 than the first contact portion 311, and the second detecting portion 621 is closer to the second docking portion 631. Close to the second mating surface 4, when the plug connector 100 and the receptacle connector 200 are mated with each other, the first and second signal terminals 33, 63 are earlier than the first and second detection terminals 32, 62 makes contact and makes contact later than the first and second power terminals 31, 61.

The first terminal 3 further includes a pair of first ground terminals 34, and the second terminal 6 also includes a pair of second ground terminals 64. The first and second ground terminals 34 and 64 are respectively provided with first and second ground terminals. The second ground portion 341, 641. In this embodiment, in the mating direction, the first grounding portion 341 is closer to the first mating surface 1 than the first contacting portion 311, and the second grounding portion 641 is closer to the second mating surface 1. contact The portions 611 are flush. Therefore, the first and second grounding terminals 34 and 64 are the first to make contact and conduction among all the terminals during mating.

As shown in the eighth to ninth figures, the first terminal 3 and the second terminal 6 each include seven terminals that can be connected to each other, and the seven terminals of the first terminal 3 are the first terminal located in the middle. The test terminal 32, a pair of first signal terminals 33 located on both sides of the first detection terminal 32, a pair of first power terminals 31 located outside the first signal terminal 33, and a pair of first signal terminals located on the outermost side. Ground terminal 34; the arrangement of the terminals in the second terminal 6 corresponds to the arrangement of the first terminal 3.

As shown in Figures 18 and 19, the first contact portion 311 of the first power terminal 31 includes a sleeve 3111 and a ring-shaped elastic clamping element 3112 provided in the sleeve 3111. The element 3112 includes a plurality of elastic pieces 3113 extending along the butting direction and arranged in a circle. The elastic pieces 3113 are provided with butting points 3114 protruding along the center of the circle. Referring to Figure 12, the sleeve 3111 includes a limiting portion 3115 protruding toward the inside thereof, and the upper limit of the clamping element 3112 is located at the limiting portion 3115 in the mating direction. When the plug connector 100 is mated with the receptacle connector 200, the second contact portion 611 is inserted into the clamping element 3112, and the mating point 3114 and the second contact portion 611 realize current communication through multi-point contact. Multi-channel conduction, so that the electrical connector assembly 1000 performs large current transmission while having a small temperature rise.

Referring to Figures 11 and 13, the first detection terminal 32 is provided with a protruding portion 322 protruding from the second carrying portion 22 behind the first detection portion 321, so The button includes a first button 71 that is set corresponding to the position of the protrusion 322 and can be pressed along the extending direction of the protrusion 322. Pressing the first button 71 makes the first button 71 and the protrusion The rising portion 322 contacts and further drives the first detection portion 321 to be elastically deformed along the direction perpendicular to the mating direction, thereby disconnecting the first detection terminal 32 and the second detection terminal 62 Electrical connection.

As shown in the first to seventh figures, the locking member 9 fixed on the first insulating body 2 includes a locking arm that can be compressed and rebounds. In this embodiment, the locking arm Including along the docking direction A pair of first locking arms 91 extending above the second carrying portion 22, the protrusion 322 is located between the pair of first locking arms 91, and the first locking arms 91 are provided There are a first protrusion 911 protruding from the second supporting portion 22 and extending in the same direction as the protrusion 322 and a first locking portion 912 protruding in the same direction as the first protrusion 911. In this way, the position of the first protrusion 911 is also set corresponding to the first button 71, and the first button 71 can press the first protrusion 911. The position of the housing 8 corresponding to the first locking portion 912 is provided with a first limiting slot 81 extending in the same direction as the first locking arm 91, when the electrical connector assembly 1000 is mated and mated The first locking portion 912 is limited to the first limiting groove 81, and pressing the first button 71 can realize that the first button is in contact with the protrusion 322 and also contacts the first protrusion. Portion 911 contacts and further drives the first locking arm 91 to elastically deform in a direction away from the protrusion, so that the first locking portion 912 is offset along the protrusion direction, so that the first The locking portion 912 escapes the restriction of the first restriction slot 81.

As shown in the second to fourth figures, the locking member includes a pair of second locking arms 92 extending in the same direction as the first locking arm 91, and the two second locking arms 92 are respectively fixed On the outer side of the two first carrying parts 21, the second locking arm 92 is extended with a second locking part 922, and the housing 8 corresponding to the second locking part 922 is provided with the first limit The second limiting slot 82 is parallel to the positioning slot 81. When the electrical connector assembly 1000 is mated and mated, the second locking portion 922 is limited to the second limiting slot 82. In this embodiment, The extending direction of the second locking portion 922 is perpendicular to the extending direction of the first locking portion 912, and in the mating direction, the length of the second limiting slot 82 is greater than that of the first limiting slot 81 length.

The second locking arm 92 is provided with a second protrusion 921 extending in the same direction as the second locking portion 922, and the button on the insulating housing 7 further includes a position setting corresponding to the second protrusion 921 The second button 72 can be pressed along the extending direction of the second protrusion 921. Referring to the twelfth, sixteenth, and seventeenth figures, when the electrical connector assembly 1000 is mated and mated, the second locking portion 922 is limited to the second limiting slot 82, and pressing the The second button 72 can realize that the second button 72 and the second protrusion 921 Contacting and further driving the second locking arm 92 to elastically deform, so that the second locking portion 922 is deflected along the extending direction to escape the limit of the second limit slot 82.

Referring to the tenth to seventeenth figures, these figures show the different mating processes of the plug connector 100 and the receptacle connector 200. The following describes the mating process in detail. The tenth to twelfth figures show the fully mated state of the electrical connector assembly 1000. At this time, the first and second locking portions 912, 922 are respectively limited to the first and second limiting slots 81 82; refer to Figures 12 and 13, when the mated plug connector 100 is pulled out of the socket connector 200, press the first button 71, the protrusion 322 and the first protrusion 911 are simultaneously driven by the first button 71 and pressed down. At this time, the first detection portion 321 is disconnected from the second detection portion 621, and the first and second The power terminals 31 and 61 still maintain electrical contact, the first locking portion 912 is out of the limit of the first limiting slot 81, and at this time the second locking portion 922 is still limited to the second The limiting slot 82, because the length of the second limiting slot 82 is greater than the length of the first limiting slot 81, the plug connector 100 can be further along the extension direction of the second limiting slot 82 (ie Docking direction) move toward the position away from the socket connector 200 to the edge of the second limiting slot 82 near the second mating surface 4 (as shown in the fourteenth state); such as fourteenth As shown in Figures to Seventeenth, after pressing the second button 72, the second locking portion 922 can be pressed and deviated from the limit of the second limit slot 82. At this time, The plug connector 100 is completely pulled out of the socket connector 200 along the mating direction, and the first and second power terminals 31 and 61 are disconnected. This arrangement can make the first and second detection terminals 32, 62 and the first and second power terminals 31, 61 disconnect the electrical connections at different timings, avoiding instantaneous discharge of the power terminals and improving Safety index and service life of electrical connectors.

Referring to the first to third figures, the plug connector 100 is provided with a metal shell 11 covering the first and second bearing portions 21 and 22. In this embodiment, the metal shell 11 is Stainless steel material to provide good strength support for the plug connector 100; in addition, the metal shell 11 and the shell The body 8 has a guiding function when the plug connector 100 and the socket connector 200 are mated. The insulating shell 7 has a two-piece structure, that is, it can be fixed to the outside of the metal shell 11 by means of butting up and down assembly.

Referring to the fifth to seventh figures, the second insulating body 5 is provided with a first coordinating portion 53 and a third coordinating portion 54 recessed inward, the first and third coordinating portions 53, 54 respectively Located on opposite sides of the second insulating body 5; the housing 8 includes a second coordination portion 83 and a fourth coordination portion recessed in the same direction as the first and third coordination portions 53, 54 respectively Part 84, the first and second coordination parts 53, 83 can be relatively assembled and fixed, and the second and third coordination parts 54 and 84 can be relatively assembled and fixed, so that the second insulating body 5 Assemble and fix in the housing 8.

In summary, the present invention meets the requirements of a patent for invention, and Yan filed a patent application in accordance with the law. However, the above are only preferred embodiments of the present invention, and the scope of the present invention is not limited to the above embodiments. All the equivalent modifications or changes made by those who are familiar with the technique of this case and based on the spirit of the present invention shall be covered by the scope of the following patent applications.

1: The first docking surface

100: plug connector

1000: Plug connector combination

200: socket connector

31: The first power terminal

32: The first detection terminal

33: The first signal terminal

34: The first ground terminal

71: The first button

72: second button

8: shell

81: The first limit slot

82: second limit slot

912: The first locking part

922: second locking part

Claims (9)

An electrical connector is defined with a mating direction and a mating surface at the front end of the mating direction. The electrical connector includes: an insulating body; and a terminal, which is fixed to the insulating body; wherein, the terminal includes a power terminal and a detection A terminal, the power terminal is provided with a contact portion extending along a mating direction, the detection terminal is provided with a detection portion, and in the mating direction, the contact portion is closer to the mating surface than the detection portion , The electrical connector is a plug connector, and the insulating body includes a pair of first bearing portions extending along the mating direction and a second bearing portion located between the two first bearing portions, the first bearing portion It is closer to the mating surface than the second carrying part, the power terminal is arranged on the first carrying part, and the detecting terminal is arranged on the second carrying part. The electrical connector according to claim 1, wherein each of the first bearing portions is provided with a receiving groove penetrating the front end of the first bearing portion, and the second bearing portion is provided with a groove penetrating the front end of the second bearing portion and a side of the groove. Slots intersecting with the grooves, the contact portions of the power terminals are respectively received in the receiving grooves, and the detecting portions of the detecting terminals are received in the slots and protrude into the recesses In the slot. The electrical connector according to claim 1, wherein the electrical connector includes an insulating shell covering the insulating body, and the detecting terminal is provided with a second protrusion protruding from the rear of the detecting portion The protruding portion of the carrying portion, the position of the insulating housing corresponding to the protruding portion is provided with a first button that can be pressed along the extending direction of the protruding portion, and pressing the first button makes the first button and the The protruding portion contacts and further drives the detecting portion to undergo elastic deformation along the direction perpendicular to the butting direction. The electrical connector according to claim 1, wherein the contact portion of the power terminal includes a sleeve A tube and a ring-shaped elastic clamping element arranged in the sleeve, the clamping element comprising a plurality of elastic pieces extending along the butting direction and arranged in a circle, the elastic pieces being provided with protrusions extending along the center of the circle Out of the docking point. The electrical connector according to claim 1, wherein the electrical connector is a socket connector, the insulating body includes a plurality of slots and a protruding boss, and the contact portions of the power terminals respectively protrude forward Extending the slot, the front end of the boss is provided with a pair of support parts protruding forward, and the detection part of the detection terminal is fixed between the two support parts. An electrical connector assembly, comprising: a plug connector provided with a first mating surface and including a first insulating body and a first terminal fixed to the first insulating body; and a socket connector connected to the plug The socket connector is provided with a second mating surface and includes a second insulating body and a second terminal fixed to the second insulating body; wherein, the first and second mating surfaces are the When the plug connector and the receptacle connector are mated with each other, the first terminal includes a first power terminal and a first detection terminal, and the second terminal includes a first power terminal and a second terminal, respectively. A second power terminal and a second detection terminal matched with a detection terminal. The first and second power terminals are respectively provided with first and second contact portions extending along the mating direction and butting with each other. , The second detection terminal is respectively provided with a first and a second detection portion that contact each other to achieve a detection function, the first contact portion is closer to the first mating surface than the first detection portion, so The second contact portion is closer to the second mating surface than the second detecting portion, and the first insulating body includes a pair of first supporting parts extending along the mating direction and located between the two first supporting parts. The two first bearing portions are closer to the mating surface than the second bearing portion, and the first power terminal is provided on the first On the carrying part, the first detection terminal is arranged on the second carrying part. The electrical connector assembly according to claim 6, wherein a recess is formed at the front end of the second bearing portion, each first bearing portion is provided with a receiving groove penetrating the front end thereof, and the second bearing portion is provided with a recess penetrating through it A groove at the front end and intersecting with the recess and a slot located on one side of the groove and intersecting with the groove, the first contact portions are respectively accommodated in the receiving groove, the first detection The portion is received in the slot and protrudes into the groove. The second insulating body includes a plurality of slots and a protruding boss. The second contact portions protrude forward respectively. In the slot, when the plug connector and the socket connector are mated with each other, the boss is received in the recess of the plug connector, and the front end of the boss is provided with a pair of forward protruding and received For the supporting part in the groove, the second detecting part is fixed between the two supporting parts for the first detecting part to contact in a forward or reverse direction to achieve a detection function. The electrical connector assembly according to claim 6, wherein the plug connector includes an insulating housing assembled outside the first insulating body, and the first detecting terminal protrudes behind the first detecting portion A raised portion is provided, and the insulating housing is provided with a first button that can be pressed along the extending direction of the raised portion at a position corresponding to the raised portion. Pressing the first button makes the first button and the The protruding portion contacts and further drives the first detection portion to be elastically deformed along the direction perpendicular to the mating direction, thereby disconnecting the electrical connection between the first detection terminal and the second detection terminal . The electrical connector assembly according to claim 7, wherein the first terminal includes a pair of first signal terminals, and the second terminal further includes a pair of second signal terminals that cooperate with the first signal terminals to transmit signals, The recess is provided with a pair of first signal terminal grooves located outside the groove for receiving the first signal terminal, and the boss is provided with a pair of first signal terminal grooves located outside the two supporting parts for receiving the first signal terminal. The second signal terminal slot of the second signal terminal, The first and second signal terminals are respectively provided with first and second mating parts received in the first and second terminal grooves, and the first mating part is closer to the first contact part than the first contact part. The first mating surface, the second detecting part is closer to the second mating surface than the second mating part, when the plug connector and the socket connector are mated with each other, the first and second signal terminals The contact is made earlier than the first and second detection terminals and later than the first and second power terminals.

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