TWI701875B - Plug connector and assembly thereof - Google Patents

Abstract

A plug connector assembly includes a plug connector and a receptacle connector. The plug connector includes a first insulative housing, a locking member and an insulating shell. The receptacle connector has a shell. The locking member has a resilient latching arm. The latching arm includes a protruding portion and a latch which extends out of the first insulative housing. The insulating shell has a push button corresponding to the protruding portion. The shell has a limiting groove corresponding to the latch. The latch can be limited in the limiting groove. When pressing the push button, the push button drives the latching arm to be resiliently deformed, so that the latch can get out of the limit of the limiting groove. There are several steps of the contact of the plug connector assembly, so that the spark derived from the instaneous discharger of the power terminal could be avoid.

Description

Plug connector and its combination

The invention relates to a plug connector and a combination thereof, in particular to a plug connector and a combination thereof 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 object of the present invention is to provide a plug connector and a combination thereof, which can avoid instantaneous discharge of power terminals and improve the safety of the plug connector.

In order to achieve the above-mentioned technical problems, the present invention is achieved by the following technical solution one: a plug connector including a first insulating body, a first terminal fixed to the first insulating body, and a first terminal fixed to the first insulating body On the locking member and the insulation assembled on the outside of the first insulation body A housing, the locking member includes a locking arm that can rebound under pressure, the locking arm is provided with a protrusion protruding from the first insulating body, and the insulating housing is provided at a position corresponding to the protrusion There is a button that can press the protruding part, the locking arm is provided with a locking part protruding in the same direction as the protruding part, and pressing the button can press the protruding part to further drive the locking arm It is elastically deformed in a direction away from the protrusion, so that the locking portion is offset along the protrusion direction.

In order to solve the above technical problem, the present invention is also implemented by the following technical solution 2: a plug connector combination, defined with a mating direction, which includes a plug connector and a socket connector that can be mated and matched, the plug connector includes a first An insulating body, a first terminal fixed to the first insulating body, a locking member fixed to the first insulating body, and an insulating shell assembled on the outside of the first insulating body, the socket connector includes a first Two insulating bodies, a second terminal fixed to the second insulating body, and a shell covering the outer side of the second insulating body, the locking member includes a locking arm that can rebound under pressure, the lock The buckle arm is provided with a protruding portion protruding from the first insulating body and a locking portion protruding in the same direction as the protruding portion, and a position of the insulating housing corresponding to the protruding portion is provided with a protruding portion that can press the protruding portion The housing is provided with a limiting groove at a position corresponding to the locking portion. When the plug connector is assembled and mated, the locking portion is limited to the limiting slot. Pressing the button can achieve The button is in contact with the protruding portion and further drives the locking arm to elastically deform in the direction of the protrusion, so that the locking portion escapes the limit of the limit slot.

Compared with the prior art, the present invention has at least the following effects: the plug connector and the combination of the plug connector of the present invention and the cooperation of the button can divide the insertion or disconnection of the plug connector combination into multiple stages, namely detection The test terminal and the power terminal are connected or disconnected in different timings, which avoids instantaneous discharge of the power terminal and improves the safety index and service life of the plug connector. In addition, the design of the first button to control the opening and closing of the detection terminal is further increased The safety and easy operation of the plug connector are improved.

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: 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 three-dimensional exploded view of the plug connector shown in the first figure; the third figure is a three-dimensional exploded view of the plug connector shown in the second figure from another angle; the fourth figure is a partial three-dimensional exploded view of the plug connector of the present invention Figure; 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 plug connector assembly of the present invention; Figure 9 is a perspective view of the plug connector assembly shown in Figure 8 from another angle; Figure 10 is a perspective view of the plug connector assembly of the present invention in a docking state; One figure is a cross-sectional view of the plug connector assembly of the present invention along the line XI-XI in Figure 10; Figure 12 is a cross-sectional view of the plug connector assembly of the present invention along the line XII-XII in Figure 10; Figure 13 Figure 11 is a cross-sectional view when the first button is pressed; Figure 14 is a perspective view of another docking state of the plug connector assembly of the present invention; Figure 15 is a perspective view of the plug connector assembly of the present invention along the fourteenth figure XV-XV line cross-sectional view; Figure 16 is a cross-sectional view of the plug connector assembly of the present invention along the XVI-XVI line in Figure 14; Figure 17 is the plug connector assembly shown in Figure 12 A cross-sectional view of two buttons; Figure 18 is a perspective exploded view of the first terminal and a perspective view of the second terminal of the plug connector of the present invention; and The nineteenth figure is a perspective view of the plug connector assembly of the present invention when the first terminal and the second terminal are mated.

Hereinafter, specific embodiments of the plug 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 a plug 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, the plug connector 100 is When the socket connectors 200 are mated with each other, the first and second signal terminals 33 and 63 make contact earlier than the first and second detection terminals 32 and 62 and later than the first and second power terminals 31 , 61 make contact.

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. The contact 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 plug 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 buttons include corresponding A first button 71 that is set at the position of the protrusion 322 and can be pressed along the extending direction of the protrusion 322, pressing the first button 71 can make the first button 71 contact the protrusion 322 The first detecting portion 321 is further driven to be elastically deformed along the direction perpendicular to the mating direction, so that the electrical connection between the first detecting terminal 32 and the second detecting terminal 62 can be disconnected.

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 It includes a pair of first locking arms 91 extending above the second supporting portion 22 along the mating direction, the protrusion 322 is located between the pair of first locking arms 91, and the first A locking arm 91 is provided with a first protrusion 911 protruding from the second carrying portion 22 and extending in the same direction as the protrusion 322, and a first protrusion 911 protruding in the same direction as the first protrusion 911. The card lock 912. 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 plug connector assembly 1000 is 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 limit slot 82 is parallel to the position slot 81. When the plug connector assembly 1000 is mated and mated, the second locking portion 922 is limited to the second limit 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 plug connector assembly 1000 is mated and mated, the second locking portion 922 is limited to the second limiting slot 82, and presses the The second button 72 can make the second button 72 contact with the second protrusion 921 and further drive the second locking arm 92 to elastically deform, so that the second locking portion 922 occurs along the extension direction. Offset so as 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 plug 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, The second power terminals 31 and 61 are disconnected from electrical connections at different timings, which avoids instantaneous discharge of the power terminals and improves the safety index and service life of the plug connector.

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 is used to provide good strength support for the plug connector 100; in addition, the metal shell 11 and the shell 8 have 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 (8)

A plug connector, comprising: a first insulating body; a first terminal, which is fixed and held on the first insulating body; a locking member, which is fixed on the first insulating body, and the locking member includes Compression-resilient locking arm, the locking arm is provided with a protruding part protruding from the first insulating body; and an insulating shell assembled on the outside of the first insulating body, the insulating shell corresponding to the The position of the protruding part is provided with a button that can press the protruding part; wherein the locking arm is provided with a locking part protruding in the same direction as the protruding part, and pressing the button can realize pressing the protruding part to The locking arm is further driven to be elastically deformed in a direction away from the protrusion, so that the locking portion is offset along the protrusion direction, and the first insulating body includes a pair of first insulating bodies extending in the mating direction. A supporting portion and a second supporting portion located between the two first supporting portions, the locking arm includes a pair of first locking arms extending along the butting direction and arranged above the second supporting portion The first locking arm is provided with a first protruding portion protruding from the second supporting portion and a first locking portion protruding in the same direction as the first protruding portion. The plug connector according to claim 1, wherein the button includes a first button that is provided corresponding to the position of the first protrusion and can be pressed along the projecting direction of the first protrusion, and presses the first button It can be realized that the first button contacts the first protrusion and further drives the first locking arm to be elastically deformed in the direction of protrusion, so that the first locking part is deflected along the direction of protrusion. shift. The plug connector according to claim 2, wherein the locking member includes a pair of second locking arms extending in the same direction as the first locking arm, and the two second locking arms are respectively fixed on On the outer side of the two first supporting parts, the second locking arm is extended with a second locking part, the extension direction of the second locking part is perpendicular to the extension direction of the first locking part, and the The two locking arms are provided with a second protruding portion extending in the same direction as the second locking portion, and the button includes a position corresponding to the second protruding portion and capable of being pressed along the extending direction of the second protruding portion The second button, pressing the second button can realize that the second button contacts the second protrusion and further drives the second locking arm to be elastically deformed, so that the second locking portion extends along the extension The direction is shifted. The plug connector according to claim 1, wherein the first terminal includes a first detecting terminal, the first detecting terminal is provided with a first detecting portion, and the first detecting portion is provided with The protrusion protrudes from the first insulating body, and the protrusion is located between the pair of locking arms. Pressing the button can make the button contact the protrusion and further drive the The first detecting part is elastically deformed. A plug connector combination is defined with a mating direction, which includes: a plug connector including a first insulating body, a first terminal fixed to the first insulating body, and a latch fixed to the first insulating body And an insulating shell assembled on the outside of the first insulating body; and a socket connector that can be mated with the plug connector. The socket connector includes a second insulating body and is held on the second insulating body. The second terminal of the main body and the shell covering the outer side of the second insulating body; wherein, the locking member includes a locking arm that can be compressed and resilient, and the locking arm is provided with a protruding The protruding portion of the first insulating body and the locking portion protruding in the same direction as the protruding portion, the position of the insulating housing corresponding to the protruding portion is provided with a button that can press the protruding portion, and the housing corresponds to the The position of the locking portion is provided with a limiting slot, and the locking portion is limited to the limiting slot when the plug connector assembly is mated, and pressing the button can achieve The button is in contact with the protruding portion and further drives the locking arm to be elastically deformed in the direction of the protrusion, so that the locking portion escapes the limit of the limit groove, and the first insulating body includes a For the first supporting portion extending along the butting direction and the second supporting portion located between the two first supporting portions, the locking arm includes extending along the butting direction and being disposed on the second supporting portion A pair of upper first locking arms, the first locking arm is provided with a first protrusion protruding from the second supporting portion and a first locking protruding in the same direction as the first protrusion Part, the limiting slot includes a first limiting slot corresponding to the first locking portion. The plug connector combination according to claim 5, wherein the button includes a first button that is provided corresponding to the position of the first protrusion and can be pressed along the direction of the protrusion of the first protrusion, and presses the first The button can realize that the first button contacts the first protrusion and further drives the first locking arm to be elastically deformed in the direction of protrusion, so that the first locking portion can be separated from the first limit The limit of the slot. The plug connector assembly according to claim 6, wherein the locking member includes a pair of second locking arms extending in the same direction as the first locking arm, and the two second locking arms are respectively fixed on On the outer side of the two first bearing parts, the second locking arm is extended with a second locking part, the housing is provided with a second limiting groove corresponding to the second locking part, the second locking The arm is provided with a second protrusion that extends in the same direction as the second locking portion, and the button includes a second button that is set corresponding to the position of the second protrusion and can be pressed along the extending direction of the second protrusion , Pressing the second button can realize that the second button contacts the second protrusion and further drives the second locking arm to be elastically deformed, so that the second locking portion can escape the second limit The limit of the slot. The plug connector combination according to claim 7, wherein the first terminal includes a first detection terminal and a first power terminal, and the second terminal includes a first detection terminal and a first power terminal, respectively. The second detection terminal and the second power terminal connected to the first power terminal, the length of the second limit slot is greater than the length of the first limit slot, when the mated plug connector is removed from the When the socket connector is pulled out, pressing the first button causes the first button to drive the protruding portion and the first protruding portion to press down, so that the first and second detecting portions are disconnected and The first locking part is separated from the limit of the first limit slot, at this time the first and second power terminals are still connected and the second locking part is still limited to the second limit Groove to further move the plug connector along the second limit groove to a position away from the socket connector to the edge of the second limit groove, and finally, press the second button to make the The second locking portion is pressed and deviated from the limit of the second limit slot. At this time, the plug connector can be completely pulled out of the socket connector along the mating direction.

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