TWI673920B - Electrical connector assembly - Google Patents

Abstract

An electrical connector assembly includes first and second connectors that can be rotatably assembled. First connector The first body includes a first insulating body and a first terminal. The first body is provided with a bottom wall, a circular side wall protruding from an outer edge of the bottom wall, and a side wall is provided with a receiving groove penetrating the inner surface of the side wall and a locking groove penetrating the upper surface of the side wall. The second connector includes a second insulating body and an elastic second terminal; the second body is provided with a base portion and a circular arc-shaped protruding portion protruding from the outer edge of the base portion, the protruding portion is provided with a latching portion protruding outward and is located at the latching The locking part on one side of the part. When the second connector is docked with the first connector, the second connector is located in the first position, and then the second connector is rotated to the second position. At this time, the locking portion is accommodated in the receiving slot and the locking portion is locked into the lock. The buckle grooves fix the first and second connectors together.

Description

Electric connector combination

The present invention relates to an electrical connector combination, and more particularly to a circular electrical connector combination that is fastened in a rotating manner.

With the development trend of light, thin, short, and small electronic devices, electrical connectors have actually become smaller and smaller in order to adapt to this trend. However, how to ensure a reliable holding force between the plug and the socket of the electrical connector combination to achieve good electrical transmission; and at the same time have the need for fast docking and separation, has become an urgent problem.

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

In view of the foregoing, a technical problem to be solved by the present invention is to provide an electrical connector combination that has a reliable locking structure and can be quickly docked and separated.

In order to solve the above technical problems, the present invention may adopt the following technical solution: An electrical connector combination includes a first connector and a second connector rotatably assembled together and defines a docking direction. The first connector includes a circular first insulating body and a first terminal fixed on the first insulating body. The first insulating body is provided with a bottom wall, a circular side wall protruding from the outer edge of the bottom wall in the butting direction, and The side wall surrounds the formed butt cavity, and the side wall is provided with a receiving groove penetrating the inner surface of the side wall and communicating with the butt cavity and a locking groove penetrating the upper surface of the side wall. The second connector includes a second insulating body and an elastic second terminal held on the second insulating body. The second insulating body is provided with a circular base portion and a circular arc-shaped protruding portion protruding from the outer edge of the base portion in the butting direction. The protruding portion is provided with a clamping portion protruding outward and a locking portion on one side of the clamping portion. When the second connector is docked with the first connector, the second connector is inserted into the docking cavity and is located in the first position, and then the second connector is rotated to the second position, and at this time, the clamping portion is received in the receiving slot and locked. The buckle is buckled into the lock groove, and the first terminal is in contact with the second terminal, so that the first connector and the second connector are fixed together to realize electrical connection.

Compared with the prior art, when the second connector of the present invention is docked with the first connector, the second connector is inserted into the docking cavity and is located in the first position, and then the second connector is rotated to the second position, and at this time the card The holding portion is received in the receiving groove and the locking portion is locked into the locking groove. The first terminal is in contact with the second terminal, so that the first connector and the second connector are mechanically and electrically connected together. A stable lock and a good electrical connection are obtained between the two connectors, and at the same time, accidental detachment of the first and second connectors during vibration can be effectively prevented.

1000‧‧‧electric connector combination

100‧‧‧first connector

1‧‧‧First insulating body

11‧‧‧ bottom wall

110‧‧‧ center hole

111‧‧‧first terminal slot

12‧‧‧ sidewall

121‧‧‧Container

122‧‧‧ Stop surface

123‧‧‧Lock Slot

13‧‧‧ Butt cavity

14‧‧‧ notch

2‧‧‧first terminal

201‧‧‧Signal terminal

202‧‧‧ ground terminal

21‧‧‧The first holding department

22‧‧‧Contact

23‧‧‧The first welding department

24‧‧‧ Grounding lug

200‧‧‧Second connector

3‧‧‧Second insulation body

31‧‧‧ base

310‧‧‧ Center Post

311‧‧‧Second terminal slot

32‧‧‧ protrusion

321‧‧‧Card Holder

322‧‧‧Locking Department

4‧‧‧Second Terminal

41‧‧‧Second Holding Department

42‧‧‧ Elastic contact arm

43‧‧‧Second welding section

The first diagram is a perspective view of the electrical connector assembly of the present invention; the second diagram is a perspective view of the electrical connector assembly of the present invention from another angle; the third diagram is an exploded view of the electrical connector assembly shown in the first diagram; the fourth The figure is an exploded view of the electrical connector combination shown in the second figure; the fifth figure is a perspective view of the two connectors of the electrical connector combination of the present invention when they are just mated; the sixth figure is the two of the electrical connector combination shown in the fifth figure The top view of the connector just after mating; the seventh view is a perspective view of the two connectors of the electrical connector combination of the present invention when the two connectors are mated; the eighth view is the top view of the two connectors of the electrical connector combination shown in the seventh view ; The ninth figure is a sectional view of the electrical connector assembly shown in the seventh figure along the Ⅸ-Ⅸ direction.

Please refer to the first diagram to the second diagram. The electrical connector assembly 1000 includes a first connector 100 and a second connector 200 mated with the first connector.

Please refer to the first and third figures. The first connector 100 includes a first insulating body 1 and a first terminal 2 fixed on the first insulating body 1. The first insulating body 1 is circular and is provided with a bottom wall 11, a circular side wall 12 protruding from the outer edge of the bottom wall 11 in the butting direction, and a butting cavity 13 formed by the side walls 12 around. The side wall 12 is spaced from the notch 14 on a circular outer edge of the bottom wall 11, and the docking cavity 13 is formed by the side wall 12 and the bottom wall 11 together. The bottom wall 11 is provided with a center hole 110 located at the center of the bottom wall 11 and a first terminal slot 111 symmetrically disposed along the center hole 110 and communicating with the docking cavity 13. The side wall 12 is provided with a receiving groove 121 adjacent to the bottom wall 11 and penetrating the inner surface of the side wall 12 to communicate with the docking cavity 13. The receiving groove 121 penetrates one end surface of the side wall 12 and is connected to the notch 14, but does not penetrate the other end surface of the side wall 12 and forms a stop surface 122. A locking groove 123 is formed on a side of the receiving groove 121 adjacent to the stopping surface 122 and partially penetrates the upper surface of the side wall 12.

Each first terminal 2 is provided with a first holding portion 21, a rigid contact portion 22 bent from the upper portion of the first holding portion 21 and extending horizontally, and a first bent portion extending outward from the lower portion of the first holding portion 21. Welding section 23. The first terminal 2 is abutted with the first insulating body 1 through the first holding portion 21 and is held in the corresponding first terminal groove 111. The contact portion 21 is exposed on the upper surface of the bottom wall 11, and the first welding portion 23 extends The bottom wall 11 of the first insulating body 1.

The first terminals 2 are divided into two groups and are arranged symmetrically along the center on both sides of the center hole 110. Each group of the first terminal 2 is provided with two signal terminals 201 and two ground terminals 202 located outside the signal terminals 201. The contact portions of the two ground terminals 202 extend beyond the contact portions of the signal terminals 201 and are connected by the ground piece 24 to form one. Overall, the structural design of the ground terminal can effectively achieve stable transmission of high-frequency signals such as data and audio and video.

Please refer to the second and fourth figures. The second connector 200 includes a circular second insulating body 3 and a second terminal 4 held on the second insulating body 3. The second insulating body 3 is provided with a circular base portion 31 and a plurality of arc-shaped protruding portions 32 protruding from the outer edge of the base portion 31 in the butting direction. The base 31 is provided with a central post 310 located at the center of the base 31 and a second terminal groove 311 disposed symmetrically along the central post 310. The protruding portion 32 is symmetrically disposed along the center post 310 and is provided with a protruding portion 321 protruding outward and a locking portion 322 located on one side of the locking portion 321. The locking portion 322 is free from the locking portion 321. The end thickness is smaller than the thickness of the holding portion 321 and the thickness of the side adjacent to the holding portion 321 is greater than the thickness of the holding portion 321. The locking structure 322 is used to form a guiding structure so as to meet the requirements of fast docking and separation of the connector and facilitate the blind insertion of the connector.

Each second terminal 4 is provided with a second holding portion 41, an elastic contact arm 42 bent and extended from an upper portion of the second holding portion 41, and a second welding portion 43 extended and bent from a lower portion of the second holding portion 41. . Each second terminal 4 interferes with the second insulating body 4 through the barbs on the second holding portion 41 and is embedded in the corresponding second terminal slot 311. The elastic contact arm 42 extends obliquely out of the second insulating body 4 and passes through. The barriers on the two sides of the second terminal slot 311 are separated, and the second soldering portion 23 extends from the second insulating body 3 and is soldered to the circuit board (not shown).

Please refer to the fifth to ninth figures. When the first connector 100 is mated with the second connector 200, the center post 310 of the second connector is inserted into the center hole 110 of the first connector, so that the second connection The device 200 is inserted into the docking cavity 13 and is located in the first position. At this time, the protrusion 32 is received in the recess 14 and is not held by the side wall 12. The elastic contact arm 42 of the second terminal 4 is not in contact with the first terminal 2. Section 22 contacts; then rotate the second connector 200 so that the second connector 200 is in the second position. The holding portion 321 of the rising portion 32 enters the lock receiving groove 121 and the locking portion 322 abuts against the stop surface 122. The elastic contact arm 42 of the second terminal 4 and the contact portion 22 of the first terminal 2 are mechanical and electrical. At this time, due to the elastic stress when the first and second terminals 2 and 3 are docked, the locking portion 322 is received in the locking groove 123; finally, the first and second connectors 100 and 200 are connected and locked in place. together. That is, the second connector 200 is inserted into the docking cavity 13 and is located in the first position, and then rotated in the second position, so that the first and second connectors 100 and 200 are synchronously connected and locked together, thereby obtaining a stable Locking effect and good electrical connection. The matching structure of the locking portion 322 and the locking groove 123 can effectively prevent accidental detachment of the first and second connectors during vibration.

In summary, the present invention complies with the elements of an invention patent, and a patent application is filed in accordance with the law. However, the above is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the foregoing embodiments. For example, those who are familiar with the art of the present case make equivalent modifications or changes based on the spirit of the present invention. It should be covered by the following patent applications.

Claims (10)

An electrical connector assembly includes: a first connector comprising a first insulating body and a first terminal fixed on the first insulating body; the first insulating body is provided with a bottom wall and an edge from an outer edge of the bottom wall; A side wall protruding in the butting direction and a circular butt cavity formed by being surrounded by the side wall, the side wall is provided with a receiving groove penetrating the inner surface of the side wall and communicating with the butt cavity and a locking groove penetrating the upper surface of the side wall; the second connector can be connected with The first connector is rotatably assembled together and includes a second insulating body and a second terminal held on the second insulating body; the second insulating body is provided with a base and a circular arc shape protruding from the outer edge of the base in the butting direction. A protruding portion, the protruding portion is provided with a latching portion protruding outward and a latching portion located on one side of the latching portion; wherein the latching portion fits the outer edge of the protruding portion and extends along the rotation direction, The locking portion is provided on one side of the holding portion along the rotation direction. When the second connector is docked with the first connector, the second connector is inserted into the docking cavity and is located at the first position. Then rotate that second connection In the second position, at this time, the holding portion is accommodated in the receiving groove and the locking portion is locked into the locking groove, the first terminal is in elastic contact with the second terminal and the locking portion passes through the first The elastic force between the two terminals locks into the lock groove. The electrical connector assembly according to item 1 of the scope of patent application, wherein the first insulating body is provided with notches on the outer edge of the bottom wall and spaced apart. When the second connector is in the first position The protrusion is received in the recess and is not held by the side wall, and the first terminal does not contact the corresponding second terminal. The electrical connector assembly according to item 2 of the scope of patent application, wherein the receiving groove penetrates one end surface of the side wall and is connected to the notch but does not penetrate the other end surface of the side wall to form a stop surface, and the locking groove is located at The receiving groove is adjacent to one side of the stop surface. The electrical connector combination according to item 1 of the scope of the patent application, wherein the bottom wall is provided with a central hole located in the center of the bottom wall and a first terminal slot symmetrically disposed along the central hole and communicating with the docking cavity, and the first terminal The two sides of the center hole are arranged symmetrically along the center, and the first terminal is provided with a first holding portion fixed in the corresponding first terminal slot, and a rigid contact bent from the upper portion of the first holding portion and extending horizontally. The first welding portion of the first insulating body is bent outwardly from the lower portion of the first holding portion, and the contact portion is exposed on the upper surface of the bottom wall. The electrical connector combination according to item 4 of the scope of the patent application, wherein the base is provided with a central post located at the center of the base and second terminal grooves located on both sides of the central post, and the protrusion is symmetrically arranged along the central post . The electrical connector combination according to item 5 of the scope of patent application, wherein when the second connector is located in the second position, the center post of the second connector is inserted into the center hole of the first connector. The electrical connector combination according to item 5 of the scope of the patent application, wherein the second terminal is symmetrically arranged along the center post and is provided with a second holding portion embedded in the corresponding second terminal slot. The upper part of the holding part is bent and extended with the elastic contact arm and the second welding part is bent and extended from the lower part of the second holding part to the second insulating body. The electrical connector assembly according to item 1 of the scope of patent application, wherein the thickness of the free end of the locking portion far from the holding portion is smaller than the thickness of the holding portion and the thickness of the side adjacent to the holding portion is greater than the thickness of the holding portion. . A first connector includes: a first insulating body, which is provided with a bottom wall, a side wall protruding from the outer edge of the bottom wall in the butting direction, and a circular butt cavity formed by the side wall surrounding, the bottom wall is provided with Docking cavity center A central hole of the side wall, the side wall is provided with a plurality of recesses spaced on the circular outer edge of the butt cavity and a plurality of receiving grooves penetrating the inner surface of the side wall and communicating with the butt cavity; the first terminal is fixed to the first The insulation body is arranged in a symmetrical manner along the center hole; one end of the receiving groove is connected to the notch and the other end is not connected to the notch to form a stop surface, and the receiving groove is adjacent to the side of the stop surface. A locking groove is provided which partially penetrates the upper surface of the side wall. The notch and the receiving groove are spaced apart from each other and are arranged next to the circular butt cavity. A plurality of the notches and a plurality of the receiving grooves are respectively located along the center. The holes are arranged in a center-symmetric manner, and the arc lengths occupied by the recesses and the receiving grooves on the circumference of the circular docking cavity are equal. A second connector includes: a second insulating body, which is provided with a base portion and a circular arc-shaped protruding portion protruding from the outer edge of the base portion in a butting direction; the base portion is provided with a central post located at the center of the base portion; The central post is symmetrically arranged at the center and is provided with a protruding portion protruding outward and a locking portion located on one side of the clamping portion; the second terminal is fixed on the second insulating body; wherein the locking portion is far from the clamping The thickness of the free end of the portion is smaller than the thickness of the clamping portion, and the thickness of the side adjacent to the clamping portion is larger than the thickness of the clamping portion. The clamping portion extends along the rotation direction in conformity with the outer edge of the protruding portion. The buckling portion is disposed on one side of the holding portion in a rotation direction.