TWI722513B - Electric connector combination - Google Patents

Abstract

An electrical connector combination includes a first connector and a second connector. The first connector includes a rotating shaft and a plurality of conductive rings. The rotating shaft includes a tube extending in an axial direction, and an annular convex portion formed on the outer peripheral surface of the tube. The conductive rings are spaced apart from each other. Located on the annular convex portion, each conductive ring has a contact ring surface facing the axial direction. The second connector includes a plurality of conductive terminals respectively corresponding to the conductive rings, and each conductive terminal has an elastic contact portion that contacts the contact ring surface of the corresponding conductive ring in the axial direction. Since the conductive ring of the first connector and the conductive terminal of the second connector are in contact with each other in the axial direction, the situation of unstable contact during radial contact can be avoided.

Description

Electric connector combination

The present invention relates to an electrical connector assembly, in particular to a rotary electrical connector assembly.

The Chinese Utility Model Patent Authorization Announcement No. CN206283084U discloses an electrical connector assembly, which includes a terminal and a conductive ring that are butted with each other. The terminal includes a plate-shaped fixing part, and two ends of the fixing part facing the conductive ring. Two elastic contact parts extending from the rotation center line and slidingly connected to the conductive ring. In this electrical connector assembly, the elastic contact portion is in contact with the conductive ring in the radial direction of the rotating shaft. The disadvantage of this method of radial contact is that if the elastic contact part of the terminal does not contact the largest width part of the conductive ring, the contact is likely to be unstable, and if the rotation center of the shaft is shifted, it is easy to produce The problem of poor contact.

Therefore, an object of the present invention is to provide an electrical connector assembly that can improve at least one of the above-mentioned problems in the prior art.

Therefore, in some embodiments, the electrical connector assembly of the present invention includes a first connector and a second connector. The first connector includes a rotating shaft and a plurality of conductive rings. The rotating shaft includes a tube extending in an axial direction, and an annular convex portion formed on the outer peripheral surface of the tube. The conductive rings are spaced apart from each other. Located on the annular convex portion, each conductive ring has a contact ring surface facing the axial direction. The second connector includes a plurality of conductive terminals respectively corresponding to the conductive rings, and each conductive terminal has an elastic contact portion that contacts the contact ring surface of the corresponding conductive ring in the axial direction.

In some embodiments, the first connector includes two conductive rings, and the contact ring surfaces of the two conductive rings face opposite directions in the axial direction.

In some embodiments, the annular protrusion has a first assembly structure, and each conductive ring has a second assembly structure assembled to the first assembly structure.

In some embodiments, the first assembling structure has a buckle block formed on the annular convex portion, and the second assembling structure has a buckle hole formed on the conductive ring and corresponding to the buckle block .

In some embodiments, the shaft of the first connector includes two ring-shaped protrusions, the two ring-shaped protrusions are formed on the tube body at intervals, and the two conductive rings are respectively provided on the two rings. Shaped convex part.

In some embodiments, the first connector further includes a plurality of wires and a plurality of connection terminals, the wires are arranged in the tube body, and each connection terminal is connected between the wires and the conductive rings.

In some embodiments, the annular convex portion is formed with a wiring groove, and each wiring terminal has a wire connection portion connected to a corresponding wire, and an insertion portion extending into the wiring groove, and each conductive ring There is a plug-in piece extending into the wiring groove and plugged into the plug-in part of the corresponding wiring terminal.

In some embodiments, the wiring groove has a first insertion hole into which the plug portion of the corresponding connection terminal extends, and a second insertion hole into which the plug piece of the corresponding conductive ring extends.

In some embodiments, the second connector further includes a seat for arranging the conductive terminals, and the seat is formed with a accommodating groove for accommodating the shaft of the first connector. The elastic contact portion extends into the accommodating groove to contact the contact ring surfaces of the conductive rings.

In some embodiments, the tube body of the rotating shaft has a first end and a second end at opposite ends, and the accommodating groove has an accommodating recess for accommodating the first end of the tube body of the rotating shaft , And an accommodating recess at the second end of the tube body accommodating the rotating shaft.

In the present invention, the conductive ring of the first connector and the conductive terminal of the second connector are in contact with each other in the axial direction, which can avoid unstable contact during radial contact. In addition, the conductive ring is assembled on the annular convex portion in an assembly manner, and the wire is inserted into the conductive ring through the connecting terminal, so that the above-mentioned parts can be manufactured and assembled more easily, and it is also beneficial to Dismantling.

Referring to FIGS. 1 to 2, an embodiment of the electrical connector assembly 10 of the present invention includes a first connector 1 and a second connector 2.

Referring to FIGS. 2 to 5, the first connector 1 includes a rotating shaft 11, two conductive rings 12, two wires 13, two connecting terminals 14, and an inner sleeve 15. The rotating shaft 11 is made of, for example, an insulating material such as plastic and includes a tube body 111 extending in an axial direction D, and an annular convex portion 112 formed on the outer peripheral surface of the tube body 111. The conductive rings 12 are arranged on the annular convex portion 112 at intervals, and each conductive ring 12 has a contact ring surface 121 facing the axial direction D. In this embodiment, the annular convex portion The number of 112 is two, and the two ring-shaped protrusions 112 are formed on the pipe body 111 at intervals, and the two conductive rings 12 are respectively provided on the two ring-shaped protrusions 112 opposite to each other in the axial direction D. Two opposite end surfaces, and the contact ring surfaces 121 of the two conductive rings 12 face opposite directions in the axial direction D. It should be noted that, in a modified embodiment, the number of the annular protrusions 112 is also There may be only one. In this case, the two conductive rings 12 are respectively provided on the two opposite end surfaces of the annular protrusion 112 in the axial direction D. In detail, each annular protrusion 112 has a first assembly structure 112a, and each conductive ring 12 has a second assembly structure 122 assembled in the first assembly structure 112a. The first assembling structure 112a has a plurality of buckle blocks 112b formed on the outer peripheral surface of the annular convex portion 112, and the second assembling structure 122 is formed to extend from the conductive ring 12 toward the buckle blocks 112b. A plurality of buckling protrusions 122a corresponding to the buckle blocks 112b are respectively buckled, and each of the buckling protrusions 122a is formed with a buckle hole 122b for accommodating the corresponding buckle block 112b.

The two wires 13 are arranged in the tube 111 and are mechanically and electrically connected to the two conductive rings 12 through the connection terminals 14 respectively. In detail, the tube body 111 is formed with two threading holes 111a located between the two annular protrusions 112 and opposite to each other, and the two wires 13 (the part of the wire 13 in the tube body 111 is omitted in the figure) The pipe body 111 extends through the two threading holes 111a respectively, and the two connection terminals 14 are respectively connected between the wires 13 and the conductive rings 12. Each ring-shaped protrusion 112 is formed with a terminal block 112c protruding radially outward, and the terminal block 112c is formed with a terminal slot 112d. The terminal slot 112d has a first insertion hole 112e and a first insertion hole 112e formed perpendicularly to each other. Two jack 112f. Each connection terminal 14 has a wire connection portion 141 connected to the corresponding wire 13, and a plug portion 142 extending into the first socket 112e of the corresponding connection groove 112d. The wire connection portion 141 has a corresponding A first clamping section 141a of the wire 13, and a second clamping section 141b mechanically and electrically clamping the core 131 of the corresponding wire 13, and the plug portion 142 is formed with a plug at the end. The connecting hole 142a, a contact piece 142b deep into the inserting hole 142a, and an undercut protrusion 142c that is clamped on the inner wall surface of the wiring groove 112d to prevent the inserting portion 142 from falling out of the wiring groove 112d. Each conductive ring 12 has a second insertion hole 112f extending into the corresponding wiring groove 112d and plugged into a plug piece 123 of the plug portion 142 of the corresponding connection terminal 14, and the plug piece 123 has a surface facing the A plug-in convex portion 123a extends in the direction of the opening of the first receptacle 112e, and the plug-in convex portion 123a is inserted into the plug hole 142a of the plug portion 142 of the corresponding terminal 14 and contacts the corresponding plug portion 142 The contact piece 142b. Since the conductive ring 12 is assembled on the annular convex portion 112 in an assembly manner, the wire 13 is inserted into the conductive ring 12 through the connecting terminal 14, thereby making the above-mentioned parts easier to manufacture and assemble , But also conducive to dismantling. The inner sleeve 15 passes through one end of the tube body 111 of the rotating shaft 11, and the inner sleeve 15 is used for accommodating the wires 13 (the part of the wire 13 in the inner sleeve 15 is omitted in the figure) .

1 to 6, the second connector 2 includes a base 21 fixed to the machine board 100a of a device 100 by two fixing pins 20, and a base 21 provided on the base 21 and corresponding to the conductive rings, respectively 12 of multiple conductive terminals 22. The bottom of the seat body 21 is formed with a accommodating groove 211 for accommodating the rotating shaft 11 of the first connector 1. The tube 111 of the rotating shaft 11 has a first end 111b and a second end 111c at opposite ends. The accommodating groove 211 has an accommodating recess 211a for accommodating the first end 111b of the tube body 111 of the rotating shaft 11, and a second accommodating recess 211a formed through the base 21 and accommodating the tube body 111 of the rotating shaft 11 An accommodating recess 211b at the two ends 111c. Each conductive terminal 22 has a fixing portion 221 embedded and fixed to the base 21, extending from one end of the fixing portion 221 and extending into the containing groove 211, and used for contacting the corresponding conductive ring 12 in the axial direction D An elastic contact portion 222 of the contact ring surface 121, and a tail portion 223 extending from the other end of the fixing portion 221 to the top surface of the seat body 21, and the tail portions 223 are respectively provided for two cables (not shown) However, in a modified embodiment, the tails 223 can also be provided on a circuit board (not shown in the figure); the conductive terminals 22 can also be assembled on the base 21 by means of pins. It should be noted that the structure of the seat body 21 can be changed and designed according to actual needs, and should not be limited to the aspect illustrated in this embodiment. Since the contact ring surface 121 of the conductive ring 12 of the first connector 1 and the elastic contact portion 222 of the conductive terminal 22 of the second connector 2 contact each other in the axial direction D, the first connector 1 can It is rotatably connected to the second connector 2 and the contact mode in the axial direction D can avoid unstable contact during radial contact, so as to achieve stable current transmission between the two connectors.

It should be noted that although in this embodiment, the number of conductive rings 12, wires 13 and conductive terminals 22 are two each, the number can also be three or more each, which should not be limited by this embodiment.

In summary, in the present invention, the conductive ring 12 of the first connector 1 and the conductive terminal 22 of the second connector 2 are in contact with each other in the axial direction D, which can avoid unstable contact during radial contact. . In addition, the conductive ring 12 is assembled on the annular protrusion 112 in an assembly manner, and the wire 13 is inserted into the conductive ring 12 through the connecting terminal 14, thereby making the above-mentioned parts easier to manufacture, Assembling is also conducive to disassembly.

However, the above are only examples of the present invention. When the scope of implementation of the present invention cannot be limited by this, all simple equivalent changes and modifications made in accordance with the scope of the patent application of the present invention and the content of the patent specification still belong to This invention patent covers the scope.

10: Electric connector combination 1: the first connector 11: Hinge 111: tube body 111a: Threading hole 111b: first end 111c: second end 112: Ring convex 112a: The first assembly structure 112b: Buckle block 112c: Wiring block 112d: Wiring slot 112e: first jack 112f: second jack 12: Conductive ring 121: contact torus 122: second assembly structure 122a: buckle convex 122b: Buttonhole 123: Plug-in piece 123a: Inserting convex part 13: Wire 131: Core 14: Terminals 141: Wire connection part 141a: The first clamping section 141b: The second clamping section 142: Socket 142a: socket 142b: Contact piece 142c: Undercut convex part 15: inner casing 2: second connector 20: fixed pin 21: Seat 211: Containment Slot 211a: accommodating recess 211b: receiving notch 22: conductive terminal 221: fixed part 222: Elastic contact part 223: tail D: Axial direction 100: device 100a: machine board

Other features and effects of the present invention will be clearly presented in the embodiments with reference to the drawings, in which: Figure 1 is a perspective view of an embodiment of the electrical connector assembly of the present invention; Figure 2 is a three-dimensional exploded view of Figure 1; Figure 3 is a perspective exploded view of the first connector of this embodiment, the inner sleeve of the first connector is omitted in the figure; Figure 4 is a side view of the embodiment; Figure 5 is a bottom view of the embodiment; and Fig. 6 is a cross-sectional view taken along the line A-A in Fig. 5.

10: Electric connector combination

1: the first connector

11: Hinge

111: tube body

111a: Threading hole

111b: first end

111c: second end

112: Ring convex

112a: The first assembly structure

112b: Buckle block

112c: Wiring block

112d: Wiring slot

112e: first jack

112f: second jack

12: Conductive ring

121: contact torus

122: second assembly structure

122a: buckle convex

122b: Buttonhole

123: Plug-in piece

13: Wire

14: Terminals

141: Wire connection part

15: inner casing

2: second connector

21: Seat

211: Containment Slot

211a: accommodating recess

211b: receiving notch

22: conductive terminal

222: Elastic contact part

223: tail

D: Axial direction

Claims (10)

A combination of electrical connectors, including: A first connector includes a rotating shaft and a plurality of conductive rings. The rotating shaft includes a tube extending in an axial direction and a ring-shaped protrusion formed on the outer peripheral surface of the tube. The conductive rings are spaced apart from each other The ground is provided on the annular convex portion, and each conductive ring has a contact ring surface facing the axial direction; and A second connector includes a plurality of conductive terminals respectively corresponding to the conductive rings, and each conductive terminal has an elastic contact portion that contacts the contact ring surface of the corresponding conductive ring in the axial direction. The electrical connector assembly according to claim 1, wherein the first connector includes two conductive rings, and the contact ring surfaces of the two conductive rings face opposite directions in the axial direction. The electrical connector assembly according to claim 2, wherein the annular protrusion has a first assembling structure, and each conductive ring has a second assembling structure assembled in the first assembling structure. The electrical connector assembly according to claim 3, wherein the first assembly structure has a buckle formed on the annular convex portion, and the second assembly structure has a fastener formed on the conductive ring and is connected to the The buckle block corresponds to the matching buckle hole. The electrical connector assembly according to claim 4, wherein the rotating shaft of the first connector includes two ring-shaped protrusions, the two ring-shaped protrusions are formed on the tube body at intervals, and the two conductive Rings are respectively provided on the two annular convex portions. The electrical connector assembly according to any one of claims 1 to 5, wherein the first connector further includes a plurality of wires and a plurality of connection terminals, the wires are arranged in the tube, and each connection terminal is connected to Between the wires and the conductive rings. The electrical connector assembly according to claim 6, wherein the ring-shaped convex portion is formed with a wiring groove, and each wiring terminal has a wire connection portion connected to a corresponding wire, and a plug that extends into the wiring groove. In the connecting part, each conductive ring has an inserting piece extending into the connecting groove and inserted into the inserting part of the corresponding connecting terminal. The electrical connector assembly according to claim 7, wherein the wiring groove has a first jack into which the plug portion of the corresponding terminal extends, and the plug piece of the corresponding conductive ring extends into A second jack. The electrical connector assembly according to claim 7, wherein the second connector further includes a base for arranging the conductive terminals, and the base is formed as a housing for accommodating the shaft of the first connector Grooves, the elastic contact parts of the conductive terminals extend into the containing groove to contact the contact ring surfaces of the conductive rings. The electrical connector assembly according to claim 9, wherein the tube body of the rotating shaft has a first end and a second end located at opposite ends, and the accommodating groove has a first end accommodating the tube body of the rotating shaft. An accommodating recess at the end and an accommodating recess at the second end of the tube body for accommodating the rotating shaft.

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