CN113708117A

CN113708117A - Electric connector combination

Info

Publication number: CN113708117A
Application number: CN202110980379.7A
Authority: CN
Inventors: 范建峰; 殷豪; 张学清; 李勇超
Original assignee: Molex Interconnect Shanghai Co Ltd; Molex LLC
Current assignee: Molex Interconnect Shanghai Co Ltd; Molex LLC
Priority date: 2019-03-19
Filing date: 2019-03-19
Publication date: 2021-11-26
Anticipated expiration: 2039-03-19
Also published as: CN111799586A; TWI708449B; CN113708117B; TW202037018A; CN111799586B

Abstract

An electrical connector assembly comprises a first electrical connector, which comprises a first seat body and a plurality of contact rings, wherein the first seat body is provided with a first conical structure facing a butting direction, the annular diameters of the contact rings are different from each other, the contact rings are sequentially arranged on the side surface of the first conical structure from large to small according to the annular diameters, and each contact ring is provided with a contact ring surface facing to the lateral direction; and a second electric connector, including a second pedestal, and locate a plurality of terminals of this second pedestal, this second pedestal has a second cone structure towards this butt joint direction, this second cone structure and this first cone structure are concave-convex to cooperate correspondingly, each terminal has an elastic arm, be formed with a globular contact portion on this elastic arm, the globular contact portion of a plurality of terminals is laid in the side of this second cone structure and is used for contacting laterally the contact anchor ring of a plurality of contact rings respectively.

Description

Electric connector combination

The present application is a divisional application filed by the applicant "shanghai morse connector limited", "moles limited", having an application date of 2019, 03 and 19, and an application number of 201910208969.0, entitled "combination of electrical connector and electrical connector".

Technical Field

The present invention relates to an electrical connector and an electrical connector assembly, and more particularly, to an electrical connector and an electrical connector assembly with a contact ring.

Background

U.S. patent publication No. US2017/0273355a1 (corresponding to world intellectual property organization patent publication No. WO2017/163212a1) discloses that terminals are configured in a ring shape separated from each other, and Pogo pins (Pogo pins) are butted against the terminals.

World intellectual property organization patent publication No. WO2018/202730a1 (corresponding to taiwan patent publication No. TW 201842856A) discloses that a first connection portion includes a plurality of terminals which form a circle and are arranged on the same plane, and a second connection portion for mating with the first connection portion includes a plurality of terminals which protrude out of the plane.

U.S. patent No. US5,704,792 discloses a plurality of pogo pins contacting a plurality of electrically spaced ring terminals.

In the above prior art, a plurality of conductive terminals are disclosed, which are in a ring shape and located on the same plane, but the forming method of the ring-shaped conductive terminal is generally formed on a substrate by a circuit forming method similar to a printed circuit board, so that the thickness is thin and the conductive terminal is easily worn away, and if the ring-shaped conductive terminal is formed by stamping, the problem of uneven contact ring surface of the ring-shaped conductive terminal is easily caused. Furthermore, a Pogo Pin (Pogo Pin) is usually adopted in a connector, and an effective compression stroke required in an application process of the Pogo Pin is large, and at the same time, due to limitation of an internal structure of the Pogo Pin, a distance that a head portion of the Pogo Pin protrudes out of an interface in a butt joint is several times that of other types of elastic terminals, so that the head portion of the Pogo Pin is easily buckled or bent due to improper external force.

US patent No. US5,409,403 discloses a female end connector comprising three recesses in the form of steps and three annular plates formed by stamping, the male end connector having three protrusions in the form of steps and three annular plates integrally moulded on the protrusions, there being lateral contact between the annular plates of the female end connector and the annular plates of the male end connector. However, this design tends to result in insufficient effective contact pressure between the annular plates of the female and male end connectors, resulting in poor contact. Although the annular plate has a male-female fit to increase the effective contact pressure, the action of the male-female fit increases the force required for insertion and removal, and is not suitable for some devices oriented for easy insertion and removal.

Disclosure of Invention

It is therefore an object of the present invention to provide an electrical connector that improves upon at least one of the above-mentioned disadvantages of the prior art.

Thus, in some embodiments, the electrical connector of the present invention comprises a first insulator, a plurality of contact rings, a plurality of pins, and a second insulator. The first insulator has a mating surface, a back surface opposite to the mating surface, and an opening formed in the back surface. The contact rings are embedded in the first insulator, each contact ring is provided with a contact ring surface exposed on the butt joint surface of the first insulator, and a combination surface opposite to the contact ring surface and partially exposed from the opening. Each pin is provided with a combining part combined with the combining surface of the corresponding contact ring and a tail part. The second insulator is arranged on the first insulator, the second insulator is filled in the opening to cover the connection positions of the contact rings and the pins, and the tail parts of the pins are exposed out of the second insulator.

In some embodiments, the opening of the first insulator is formed through from the back surface to the mating surface, and the second insulator fills the opening to the mating surface.

In some embodiments, the first insulator further has a plurality of openings formed therethrough from the back surface to the mating surface, the contact rings partially exposed from the openings, and the second insulator further fills the openings of the first insulator to the mating surface.

In some embodiments, each of the leads further has a bump formed on the side edge, the first insulator further has a plurality of receiving grooves formed on the back surface and communicating with the openings and respectively receiving the leads, and each of the receiving grooves has a groove for receiving the bump of the corresponding lead.

Accordingly, one of the objectives of the present invention is to provide an electrical connector assembly that can improve at least one of the above disadvantages of the prior art.

Thus, in some embodiments, the electrical connector assembly of the present invention includes a first electrical connector and a second electrical connector. The first electric connector comprises a first seat body and a plurality of contact rings, wherein the first seat body is provided with a first conical structure facing a butt joint direction, the annular diameters of the contact rings are different from each other, the contact rings are sequentially arranged on the side surface of the first conical structure from large to small according to the annular diameters, and each contact ring is provided with a contact ring surface facing to the side direction. The second electric connector comprises a second seat body and a plurality of terminals arranged on the second seat body, the second seat body is provided with a second conical structure facing the butt joint direction, the second conical structure is correspondingly matched with the first conical structure in a concave-convex mode, each terminal is provided with an elastic arm, a spherical contact part is formed on each elastic arm, and the spherical contact parts of the terminals are arranged on the side face of the second conical structure and are respectively used for laterally contacting the contact ring faces of the equal contact rings.

In some embodiments, the first conical structure is a conical projection with an outer side, the contact rings are disposed on the outer side of the conical projection, the second conical structure is a conical recess with an inner side, and the spherical contact portions of the terminals are disposed on the inner side of the conical recess.

In some embodiments, the outer side surface of the conical projection has a plurality of annular steps forming a step shape, the contact rings are respectively arranged on the annular steps, the inner side surface of the conical groove has a plurality of annular steps forming a step shape, and the spherical contact portions of the terminals are respectively arranged on the annular steps.

In some embodiments, the second housing further has a plurality of receiving slots respectively receiving the terminals and respectively corresponding to the annular steps, and each receiving slot has only one through hole between itself and the corresponding annular step, and the through hole only allows the ball-shaped contact portion of the corresponding terminal to pass through so that the ball-shaped contact portion protrudes out of the corresponding annular step.

In some embodiments, the contact rings are embedded in the first base.

In some embodiments, the first electrical connector further includes at least one top contact ring disposed on the top surface, the top contact ring has a contact ring surface facing the mating direction, the conical recess further has a bottom surface facing the mating direction, the second electrical connector further includes at least one bottom terminal, the bottom terminal has a spherical contact portion disposed on the bottom surface, and the spherical contact point is configured to contact the contact ring surface of the top contact ring.

In some embodiments, the first electrical connector further comprises a pogo pin disposed at a center of a top surface of the conical projection, and the second electrical connector further comprises a center terminal disposed at a center of a bottom surface of the conical recess and configured to contact the pogo pin.

The invention has at least the following technical effects: the contact rings and the pins of the first insulator and the second insulator are separately manufactured and embedded, so that the contact rings can be manufactured in a plate pressing forming mode, the advantages of easiness in manufacturing, low cost and wear resistance are achieved, and coplanarity flatness of contact ring surfaces of the contact rings and concentricity arrangement of the contact rings can be improved. In addition, the second electric connector also adopts the terminal that the plate compression molding made, have easy manufacturing, with low costs, wear-resisting advantage, and have the advantage that the effective stroke is shorter than the spring thimble even more, the globular contact portion of these terminals can provide stable smooth contact effect when butt joint in addition, and these terminals with globular contact portion can reduce the risk that improper atress is buckled or is buckled compared with the spring thimble. In addition, the design can arrange terminals in multiple directions in a limited space as electrical contact points.

Drawings

Other features and technical effects of the present invention will be apparent from the embodiments with reference to the accompanying drawings, in which:

fig. 1 is a perspective view of a first embodiment of the electrical connector assembly of the present invention, wherein the first and second electrical connectors of the first embodiment are opposite each other in the mating direction, wherein the contact ring of the first electrical connector is shown in light gray and the second insulator of the first electrical connector is shown in dark gray;

fig. 2 is an exploded perspective view of the first electrical connector of the first embodiment;

fig. 3 is a perspective view from the bottom illustrating the first insulator, contact ring and pins of the first electrical connector of the first embodiment;

FIG. 4 is an exploded perspective view of FIG. 3;

fig. 5 is a further exploded perspective view of fig. 4 illustrating the first insulator and contact ring of the first electrical connector of the first embodiment;

FIG. 6 is a perspective view of the second electrical connector of the first embodiment;

FIG. 7 is an exploded perspective view of FIG. 6;

fig. 8 is a perspective view of a second embodiment of the electrical connector assembly of the present invention, showing the first and second electrical connectors of the second embodiment facing each other in the mating direction;

fig. 9 is an exploded perspective view of the first electrical connector of the second embodiment;

fig. 10 is an exploded perspective view of the second electrical connector of the second embodiment;

FIG. 11 is a top view of the second electrical connector of the second embodiment, illustrating the second electrical connector of the second embodiment, with the second magnetic member of the second electrical connector omitted;

FIG. 12 is a further exploded perspective view of FIG. 10;

FIG. 13 is an exploded perspective view of FIG. 12 from another perspective;

fig. 14 is a perspective view illustrating the first electrical connector mated with the second electrical connector, with only the terminals of the second electrical connector shown;

fig. 15 is a perspective view of a third embodiment of the electrical connector assembly of the present invention, showing the first and second electrical connectors of the third embodiment facing each other in the mating direction;

fig. 16 is an exploded perspective view of the first electrical connector of the third embodiment;

FIG. 17 is a perspective view of the second electrical connector of the third embodiment, with the second magnetic member of the second electrical connector omitted;

FIG. 18 is a top view of the second electrical connector of the second embodiment, illustrating the second electrical connector of the second embodiment, with the second magnetic member of the second electrical connector omitted;

FIG. 19 is an exploded perspective view of FIG. 17;

FIG. 20 is an exploded perspective view of FIG. 19 from another perspective; and

fig. 21 is a perspective view illustrating the first electrical connector mated with the second electrical connector, in which only the terminals of the second electrical connector are shown.

Description of reference numerals:

10 electric connector combination

1 first electric connector

11 first insulator

111 butt joint surface

112 back side

113 opening

114 receiving groove

114a groove

115 open pores

12 contact ring

121 contact annulus

122 combined surface

13 pin

131 combined part

132 tail

133 bump

14 second insulator

141 mounting surface

15 first annular groove

16 first magnetic attraction piece

2 second electrical connector

21 insulator

211 butt joint surface

22 spring thimble

221 contact head

23 second annular groove

24 second magnetic attraction piece

30 electric connector combination

3 first electric connector

31 first seat

311 first cone structure

311 conical convex column

311a outer side

311b top surface

311c annular step

312 first mounting surface

32 contact ring

321 contact ring surface

322 pin

33 first magnetic attraction piece

34 Top contact Ring

341 contact the annulus

342 pin

35 spring thimble

351 contact head

352 tail section

4 second electric connector

41 second seat

411 second cone structure

411 conical recess

411a medial surface

411b bottom surface

411c annular step

412 second mounting surface

413 lateral surface

414 accommodating groove

414a engaging recess

415 through hole

42 terminal

421 elastic arm

421a spherical contact part

422 tail part

423 fixing projection

43 second magnetic attraction piece

44 bottom terminal

441 elastic arm

441a spherical contact portion

442 tail part

45 center terminal

D butt joint direction

Detailed Description

Before the present invention is described in detail, it should be noted that in the following description, like elements are represented by like reference numerals.

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

Referring to fig. 2 to 5, the first electrical connector 1 includes a first insulator 11, a plurality of contact rings 12, a plurality of pins 13, and a second insulator 14. The first insulator 11 is substantially cylindrical and extends along an opposite mating direction D, and the first insulator 11 has a mating surface 111 facing the mating direction D, a back surface 112 opposite to the mating surface 111, and an opening 113 formed on the back surface 112. The contact rings 12 have different annular diameters, and the contact rings 12 are concentrically embedded in the first insulator 11, each contact ring 12 has a contact ring surface 121 exposed from the abutting surface 111 of the first insulator 11, and a coupling surface 122 opposite to the contact ring surface 121 and partially exposed from the opening 113. In the first embodiment, the contact ring surface 121 of the contact ring 12 located at the center may constitute a circular surface. In the first embodiment, the opening 113 extends from the center of the first insulator 11 to the side edge thereof to expose the bonding surface 122 of each contact ring 12. The leads 13 are respectively soldered to the contact rings 12, each of the leads 13 has a connecting portion 131 soldered to the bonding surface 122 of the corresponding contact ring 12, and a tail portion 132 opposite to the connecting portion 131, the tail portion 132 is perpendicular to the connecting portion 131 in the first embodiment, so that the lead 13 is substantially L-shaped, but not limited thereto, and the connecting portion 131 of the lead 13 can also be bonded to the bonding surface 122 of the contact ring 12 by gluing with a conductive adhesive or other bonding methods, which is not limited to the first embodiment. The bonding surfaces 122 of the contact rings 12 are exposed through the openings 113 of the first insulator 11, so that the leads 13 can be soldered to the bonding surfaces 122 of the contact rings 12, so that the leads 13 and the contact rings 12 can be manufactured separately. Each lead 13 further has a bump 133 formed on the side edge, the first insulator 11 further has a plurality of receiving grooves 114 formed on the back surface 112 and communicating with the openings 113 and respectively receiving the leads 13, and each receiving groove 114 has a groove 114a receiving the bump 133 of the corresponding lead 13, thereby positioning the leads 13 for facilitating the soldering operation.

In the first embodiment, the opening 113 of the first insulator 11 is formed through from the back surface 112 to the mating surface 111. Further, the first insulator 11 further has a plurality of openings 115 formed through the back surface 112 to the abutting surface 111, the contact rings 12 are partially exposed from the openings 115, and the openings 115 and the openings 113 extend substantially radially from a position adjacent to the center of the first insulator 11 toward the side edge. In detail, in the process of disposing the contact rings 12 on the first insulator 11, the contact rings 12 are first formed on a material tape (not shown) in a press-forming manner, the contact rings 12 have a plurality of connecting bars (not shown) radially connected between the contact rings 12, and then the contact rings 12 are embedded in the abutting surface 111 of the first insulator 11 in an Insert-Molding manner, where the connecting bars are respectively exposed from the opening 113 and the openings 115 to facilitate cutting and removal. The contact ring 12 manufactured by pressing the plate has the advantages of easy manufacture, low cost and abrasion resistance. Moreover, the openings 113 and the openings 115 enable the contact rings 12 to be formed together on the same material tape during manufacturing, and after the contact rings 12 are embedded in the first insulator 11, cutting is performed to separate the contact rings 12 from each other, thereby improving the coplanarity and flatness of the contact rings 121 of the contact rings 12 and improving the concentric arrangement of the contact rings 12. It should be noted that the number and arrangement of the openings 115 may also be changed according to the position of the connecting strip of the tape, and the present embodiment is not limited thereto.

The second insulator 14 is disposed on the first insulator 11, and the second insulator 14 has a mounting surface 141 opposite to the abutting surface 111 of the first insulator 11, the second insulator 14 is filled in the opening 113 to cover the connection positions of the contact rings 12 and the leads 13, and the tails 132 of the leads 13 are exposed out of the mounting surface 141 of the second insulator 14. Moreover, in the first embodiment, the second insulator 14 is substantially cylindrical and extends along the abutting direction D with a diameter slightly larger than that of the first insulator 11, and the second insulator 14 is formed by insert molding from the back surface 112 of the first insulator 11 to fill the opening 113 and the openings 115 to the abutting surface 111.

Referring to fig. 1, 2, 6 and 7, the second electrical connector 2 has an insulator 21 and a plurality of pogo pins 22 disposed on the insulator 21 along the mating direction D, the insulator 21 has a mating surface 211 facing the mating direction D, the pogo pins 22 are respectively configured to contact with the contact ring surface 121 of the contact ring 12 of the first electrical connector 1, each pogo pin 22 has a spring (not shown) disposed therein and a contact head 221 connected to the spring and disposed at a front end of the pogo pin 22 and capable of moving along the mating direction D, the contact head 221 is protrudingly exposed on the mating surface 211 of the insulator 21, the contact head 221 can be pressed by the contact ring surface 121 to move backward along the mating direction D when contacting the corresponding contact ring surface 121, and at this time, the spring provides an elastic restoring force for pushing the contact head 221 forward, to ensure that the contact head 221 of the pogo pin 22 is positively contacted with the contact ring surface 121 of the contact ring 12. Through the annular contact ring surface 121 of the contact ring 12 of the first electrical connector 1, even if the second electrical connector 2 rotates to any angle along the axis parallel to the mating direction D, the pogo pin 22 can be in mating contact with the contact ring surface 121 of the first electrical connector 1, so as to facilitate the operation of the user.

In the first embodiment, the first electrical connector 1 is further formed with a first annular groove 15 located outside and adjacent to the mating surface 111, and the first electrical connector 1 further comprises a first magnetic member 16 disposed in the first annular groove 15, the second electrical connector 2 is further formed with a second annular groove 23 corresponding to the first annular groove 15, the second electrical connector 2 further has a second magnetic member 24 disposed in the second annular groove 23 and configured to be attracted correspondingly to the first magnetic member 16, in the first embodiment, the first magnetic element 16 is a magnetizable metal element and the second magnetic element 24 is a permanent magnet, but in other embodiments, the first magnetic element 16 can also be a permanent magnet, and in this case, the second magnetic element 24 can be a metal element that can be magnetized, or a permanent magnet, without limitation.

Referring to fig. 8 and 9, a second embodiment of the electrical connector assembly 30 of the present invention includes a first electrical connector 3 and a second electrical connector 4.

The first electrical connector 3 includes a first seat 31 and a plurality of contact rings 32, the first seat 31 has a first conical structure 311 facing a mating direction D, and a first mounting surface 312 located at an opposite end of the first conical structure 311. The contact rings 32 have different annular diameters, and the contact rings 32 are sequentially disposed on the side of the first conical structure 311 from the larger annular diameter to the smaller annular diameter, and each contact ring 32 has a contact ring surface 321 facing laterally. In the second embodiment, the first conical structure 311 is a conical stud 311 having an outer side 311a and a top surface 311b, the outer side 311a of the conical stud 311 has a plurality of annular steps 311c forming a step shape, and the contact rings 32 are respectively disposed on the annular steps 311c of the outer side 311a of the conical stud 311. In addition, the contact rings 32 are embedded in the first base 31 by insert molding, and each contact ring 32 further has a pin 322 extending toward the first mounting surface 312 along the mating direction D, and the pin 322 is embedded in the first base 31 and protrudes from the first mounting surface 312, but in other embodiments, the contact rings 32 may be assembled on the first base 31 after the first base 31 is molded, and the present invention is not limited by the second embodiment.

Referring to fig. 10 to 14, the second electrical connector 4 includes a second base 41 and a plurality of terminals 42 disposed on the second base 41 and manufactured by pressing and forming a plate, the second base 41 has a second conical structure 411 facing the mating direction D, a second mounting surface 412 located at an opposite end of the second conical structure 411, and an outer side 413 connected to a side edge of the second mounting surface 412, and the second conical structure 411 and the first conical structure 311 are correspondingly concave-convex matched. Each terminal 42 has a resilient arm 421 and a tail portion 422 extending toward the second mounting surface 412 and protruding out of the second mounting surface 412, the resilient arm 421 is formed with a spherical contact portion 421a, the spherical contact portions 421a of the terminals 42 are respectively disposed on the side surface of the second conical structure 411 protruding toward the contact ring surfaces 321 of the contact rings 32 and are respectively configured to laterally contact the contact ring surfaces 321 of the contact rings 32. The terminals 42 are made by pressing and molding a plate, which has the advantages of easy manufacturing, low cost, wear resistance, and shorter effective stroke compared with a spring thimble, and the spherical contact portion 421a of the elastic arm 421 of the terminals 42 can provide a stable and smooth contact effect during butt joint, and the terminals 42 with the spherical contact portion 421a can reduce the risk of buckling or bending caused by improper stress compared with the spring thimble. In the second embodiment, the second conical structure 411 is a conical recess 411 having an inner side surface 411a and a bottom surface 411b, the inner side surface 411a of the conical recess 411 has a plurality of annular steps 411c forming a step shape, and the spherical contact portions 421a of the terminals 42 are respectively disposed on the annular steps 411c of the conical recess 411.

In detail, the second housing 41 further has a plurality of receiving grooves 414 formed on the outer side 413 and communicated with the second mounting surface 412, the receiving grooves 414 respectively receive the terminals 42 and respectively correspond to the annular steps 411c, only a through hole 415 is formed between each receiving groove 414 and the corresponding annular step 411c, and the through hole 415 only allows the spherical contact portion 421a of the corresponding terminal 42 to pass through so that the spherical contact portion 421a protrudes out of the corresponding annular step 411 c. In addition, two engaging recesses 414a are formed in one of the receiving slots 414, and two fixing protrusions 423 that are engaged with the engaging recesses 414a are formed on the terminal 42 received in the receiving slot 414, so as to enhance the holding force of the receiving slot 414 on the terminal 42. In the second embodiment, the terminals 42 are disposed in the receiving slots 414 of the second housing 41 after the second housing 41 is molded, but in other embodiments, the terminals 42 may be disposed on the second housing 41 by insert molding, which is not limited to the second embodiment.

Referring back to fig. 8 and 10, in the second embodiment, the first electrical connector 3 further includes a first magnetic attraction element 33 that is annular and is sleeved outside the first seat 31, the second electrical connector 4 further includes a second magnetic attraction element 43 that is annular and is sleeved outside the second seat 41 and is used for attracting the second magnetic attraction element 33 correspondingly, the first magnetic attraction element 33 of the second embodiment is substantially the same as that of the first magnetic attraction element 43, and details thereof are omitted.

Referring to fig. 15 to 21, a difference between the third embodiment and the second embodiment of the electrical connector assembly 30 of the present invention is that in the third embodiment, the first electrical connector 3 further includes a top contact ring 34 embedded in the top surface 311b of the conical protrusion 311 of the first housing 31, the top contact ring 34 has a contact ring surface 341 facing the mating direction D, and a pin 342 extending toward the first mounting surface 312, and the pin 342 is embedded in the first housing 31 and protrudes from the first mounting surface 312. The second housing 41 further has another receiving slot 414 formed from the second mounting surface 412, a through hole 415 is formed between the receiving slot 414 and the bottom surface 411b of the conical recess 411, the second connector further includes a bottom terminal 44 having a structure substantially the same as the terminal 42 and disposed in the receiving slot 414, the bottom terminal 44 has a resilient arm 441, and a tail 442 extending toward the second mounting surface 412 and protruding out of the second mounting surface 412, the resilient arm 441 has a spherical contact portion 441a, the spherical contact portion 441a of the bottom terminal 44 is disposed on the bottom surface 411b from the through hole 415 protruding out of the bottom surface 411b of the conical recess 411 and is used for contacting the contact ring 341 of the top contact ring 34 in the mating direction D. The first electrical connector 3 further includes a spring pin 35 partially embedded in the conical protrusion 311 and disposed at the center of the top surface 311b of the conical protrusion 311, the spring pin 35 has a spring (not shown) located inside, a contact head 351 connected to the spring and protruding from the top surface 311b along the mating direction D and capable of moving along the mating direction D, and a tail portion 352 extending toward the first mounting surface 312 and protruding from the first mounting surface 312, the second electrical connector 4 further includes a center terminal 45 exposed at the center of the bottom surface 411b of the conical recess 411, embedded in the second housing 41, and configured to contact the contact head 351 of the spring pin 35 in the mating direction D. In other variations, the number of the top contact ring 34 and the bottom terminal 44 may be two or more, and is not limited thereto, and in a variation, the electrical connector assembly 30 may alternatively be implemented without adding the spring pin 35 and the center terminal 45 that are matched. By adding the top contact ring 34, the bottom terminal 44, the pogo pin 35 and the center terminal 45, the present design can arrange the terminals as electrical contacts in multiple directions in a limited space, so as to more effectively utilize the inner space of the first electrical connector 3 and the second electrical connector 4.

In summary, the electrical connector and the electrical connector assembly of the present invention separately manufacture and embed the contact rings 12 and the pins 13 of the first insulator 11 and the second insulator 14, so that the contact rings 12 can be manufactured by pressing and forming a plate, which has the advantages of easy manufacturing, low cost, and wear resistance, and can thereby improve the coplanarity flatness of the contact ring surfaces 121 of the contact rings 12 and improve the concentric arrangement of the contact rings 12. In addition, the second electrical connector 4 also adopts the terminals 42 made by pressing and molding a plate, which has the advantages of easy manufacturing, low cost and wear resistance, and has the advantage of shorter effective stroke compared with the pogo pin, in addition, the spherical contact portions 421a of the terminals 42 can provide stable and smooth contact effect during the butting, and the terminals 42 with the spherical contact portions 421a can reduce the risk of buckling or bending due to improper stress compared with the pogo pin. In addition, the design can arrange terminals in multiple directions in a limited space as electrical contact points.

The above-mentioned contents are only examples of the present invention, and the scope of the present invention is not limited thereby, and all the simple equivalent changes and modifications made according to the claims and the contents of the patent specification of the present invention are within the scope covered by the patent of the present invention.

Claims

1. An electrical connector assembly comprising:

the first electric connector comprises a first seat body and a plurality of contact rings, wherein the first seat body is provided with a first conical structure facing a butting direction, the annular diameters of the contact rings are different from one another, the contact rings are sequentially arranged on the side surface of the first conical structure from large to small according to the annular diameters, and each contact ring is provided with a contact ring surface facing to the side direction; and

the second electric connector comprises a second seat body and a plurality of terminals arranged on the second seat body, the second seat body is provided with a second conical structure facing the butt joint direction, the second conical structure is correspondingly matched with the first conical structure in a concave-convex mode, each terminal is provided with an elastic arm, a spherical contact part is formed on each elastic arm, and the spherical contact parts of the terminals are arranged on the side face of the second conical structure and are respectively used for laterally contacting the contact ring faces of the contact rings.

2. The electrical connector assembly of claim 1 wherein the first conical structure is a conical projection having an outer side, the contact rings are disposed on the outer side of the conical projection, the second conical structure is a conical recess having an inner side, and the ball-shaped contact portions of the terminals are disposed on the inner side of the conical recess.

3. The electrical connector assembly of claim 2, wherein the outer surface of the conical projection has a plurality of annular steps, the plurality of contact rings are disposed on the plurality of annular steps, the inner surface of the conical recess has a plurality of annular steps, the spherical contact portions of the plurality of terminals are disposed on the plurality of annular steps.

4. The electrical connector assembly as claimed in claim 3, wherein the second housing further has a plurality of receiving slots respectively receiving the plurality of terminals and corresponding to the plurality of annular steps, and each receiving slot has only one through hole between itself and the corresponding annular step for passing the ball-shaped contact portion of the corresponding terminal therethrough so that the ball-shaped contact portion protrudes out of the corresponding annular step.

5. The electrical connector assembly of claim 4, wherein the contact rings are embedded in the first housing.

6. The electrical connector assembly of any one of claims 2-5, wherein the conical post further has a top surface facing the mating direction, the first electrical connector further comprises at least one top contact ring disposed on the top surface, the top contact ring has a contact ring surface facing the mating direction, the conical recess further has a bottom surface facing the mating direction, the second electrical connector further comprises at least one bottom terminal, the bottom terminal has a spherical contact portion disposed on the bottom surface, and the spherical contact point is configured to contact the contact ring surface of the top contact ring.

7. The electrical connector assembly of claim 6 wherein the first electrical connector further comprises a pogo pin disposed in the center of the top surface of the conical projection, and the second electrical connector further comprises a center terminal disposed in the center of the bottom surface of the conical recess for contacting the pogo pin.