CN106981770B

CN106981770B - socket connector

Info

Publication number: CN106981770B
Application number: CN201710248290.5A
Authority: CN
Inventors: 王永奇; 范俊; 仇金国; 姚涛
Original assignee: Qidong Qianshuo Electronic Co Ltd
Current assignee: Qidong Qianshuo Electronic Co Ltd
Priority date: 2017-04-17
Filing date: 2017-04-17
Publication date: 2023-12-12
Anticipated expiration: 2037-04-17
Also published as: CN106981770A

Abstract

The invention discloses a socket connector, which comprises a shell and a terminal seat, wherein the shell comprises a slot penetrating along the front-back direction, a top wall, a bottom wall and two side walls which are arranged around the slot, the terminal seat comprises a tongue plate arranged at the middle position of the slot in the vertical direction, an upper row of terminals exposed on the upper surface of the tongue plate, a lower row of terminals exposed on the lower surface of the tongue plate and a metal locking piece positioned between the upper row of terminals and the lower row of terminals, the metal locking piece is provided with a buried part buried in the tongue plate and locking parts exposed on the two lateral sides of the tongue plate, the locking parts are used for locking with a plug connector, the socket connector also comprises two electromagnets which are respectively arranged on the two side walls of the shell and used for attracting the plug connector provided with ferromagnetic elements, and the electromagnets can be matched to provide adsorption force so that the socket connector can stably transmit signals and currents in mobile phones and tablet personal computers.

Description

Socket connector

Technical Field

The present invention relates to a socket connector, and more particularly, to a socket connector using an electromagnetic ferromagnetic plug connector.

Background

In the prior art related to the present invention, refer to chinese patent No. CN102664321B, which is issued in 2015, 6, 10, and discloses a plug connector and a socket connector that attract each other by using the magnetism of a permanent magnet and an electromagnet, and when the permanent magnet attracts each other, a mechanical switching element is connected to the corresponding plug connector or socket connector, and the mechanical switching element controls whether the electromagnet is energized or not. Such a switching element is complicated to operate manually, is not easy to control, and cannot perform stable transmission.

In view of the above-described deficiencies of the prior art, there is a need in the art for an improved receptacle connector.

Disclosure of Invention

The technical problems to be solved by the invention are as follows: a receptacle connector for stabilizing signal transmission is provided.

In order to solve the technical problems, the technical scheme of the invention is as follows:

the utility model provides a socket connector, its includes shell and terminal seat, the shell includes the slot that runs through along the fore-and-aft direction and encloses top wall, diapire and both sides wall of establishing around the slot, the terminal seat includes the tongue that sets up in the slot in the intermediate position department in vertical direction, exposes the upper row terminal of tongue upper surface, exposes the lower row terminal of tongue lower surface and be located the metal latch fastener between upper row terminal and the lower row terminal, the metal latch fastener has the embedded part of burying in the tongue and exposes the latch part in the lateral both sides of tongue, latch part is used for with plug connector looks hasp, wherein socket connector still includes two electro-magnets of installing respectively on the shell both sides wall, two electro-magnets are used for attracting the plug connector that is equipped with ferromagnetic component.

Compared with the prior art, the invention has at least the following beneficial effects: the metal locking piece in the socket connector can lock the plug connector, and the electromagnet can be matched with the metal locking piece to provide an adsorption force, so that the socket connector can transmit signals and currents more stably in mobile phones and tablet computers.

The invention is further improved as follows:

further, detection terminals are arranged in the upper row of terminals and the lower row of terminals and used for detecting the matching of the plug connector and the socket connector, so that the on-off of current and the magnitude of current on the electromagnet are controlled.

Further, the top wall and the bottom wall are parallel to each other and horizontally arranged, the two side walls are respectively provided with a connecting wall which is vertically arranged and a protruding part which protrudes outwards transversely from the connecting wall, and the two electromagnets are respectively arranged on the corresponding protruding parts.

Further, the protruding portion is cylindrical, the protruding portion is provided with a mounting hole penetrating in the front-rear direction, the electromagnet is provided with a metal iron core, a coil wound around the metal iron core and a mounting foot physically and electrically connected with the coil, the metal iron core and the coil are contained in the mounting hole, and the mounting foot extends backwards to exceed the protruding portion to be welded to an external circuit board.

Further, the mounting feet are flat, and the width of the mounting feet is larger than the diameter of the coil.

Further, the metal iron core is cylindrical, and the coil is spirally wound on the metal iron core.

Further, the mounting leg has a wire portion connected to the coil and a soldering plate portion for surface soldering to an external circuit board, the soldering plate portions on the two electromagnets extending in opposite directions.

Further, the front end face of the metal iron core is located behind the front end face of the protruding portion, and the front end of the metal iron core is not completely filled in the mounting hole.

Further, the socket connector further comprises a waterproof rubber ring arranged at the front end of the shell, the waterproof rubber ring is formed on the shell in an injection mode, and the protruding portion is located behind the waterproof rubber ring.

Further, a groove is formed on the protruding portion and the front surface of the shell, and the waterproof rubber ring is installed in the groove.

Further, the socket connector is arranged on the intelligent equipment, and the on-off of the electromagnet is controlled to be completed through application software or built-in functions on the intelligent equipment.

Drawings

Fig. 1 is a perspective view of a receptacle connector of the present invention.

Fig. 2 is an exploded view of the receptacle connector shown in fig. 1.

Fig. 3 is a perspective view of the terminal module shown in fig. 1.

Fig. 4 is a perspective view of the terminal module shown in fig. 2 before the third injection molding.

Fig. 5 is an exploded view of the upper and lower terminal modules shown in fig. 4.

Fig. 6 is a perspective view of the metal latch shown in fig. 2.

Fig. 7 is a perspective view of the upper row of terminals as in fig. 5.

Fig. 8 is a perspective view of the lower row of terminals shown in fig. 5.

Fig. 9 is a transverse cross-sectional view of the receptacle connector shown in fig. 1.

Fig. 10 is a circuit configuration diagram of upper and lower rows of terminals.

Detailed Description

The invention will be further described with reference to the drawings and examples.

As shown in fig. 1 to 9, a receptacle connector 100 according to the present invention includes a housing 1, a terminal block 4, and two electromagnets 8.

The housing 1 includes a slot 11 penetrating in the front-rear direction, a top wall 12, a bottom wall 13, and two side walls 14 surrounding the slot 11. The top wall 12 and the bottom wall 13 are parallel to each other and horizontally arranged, the two side walls 14 are respectively provided with a connecting wall 141 vertically arranged and a protruding portion 142 protruding laterally outwards from the connecting wall 141, the protruding portion 142 is cylindrical, and the protruding portion 142 is provided with a mounting hole 143 penetrating in the front-rear direction.

The terminal block 4 includes an insulating body 45 having a tongue plate 41, the insulating body 45 further including a base 46 located behind the tongue plate 41 and a step 47 connected between the base 46 and the tongue plate 41. The thickness of the step 47 in the vertical direction is larger than the thickness of the tongue plate 41 in the vertical direction, and the thickness of the base 46 in the vertical direction is larger than the thickness of the step 47 in the vertical direction. The tongue plate 41 is provided at an intermediate position of the slot 11 in the vertical direction, and the terminal block 4 further includes an upper row of terminals 42 exposed to an upper surface of the tongue plate 41, a lower row of terminals 43 exposed to a lower surface of the tongue plate 41, and a metal latch piece 44 located between the upper row of terminals 42 and the lower row of terminals 43. The metal latch member 44 has an embedded portion 441 embedded in the tongue plate 41 and latch portions 442 exposed on both lateral sides of the tongue plate 41, and the latch portions 442 are used for latching with the plug connector.

The embedded portion 441 of the metal latch 44 is provided with a plurality of through holes 443 penetrating in the vertical direction, two side edges of the metal latch 44 are provided with a plurality of holding holes 444, and the metal latch 44 is also provided with circuit board pins 445 for mounting to an external circuit board.

In the present embodiment, the terminal block 4 is injection molded three times. The upper terminal block 48 is injection molded over the upper row of terminals 42 to form an upper terminal module 51, and the lower terminal block 49 is injection molded over the lower row of terminals 43 to form a lower terminal module 52. After the metal locking piece 44 is formed by punching, the upper terminal module 51, the metal locking piece 44 and the lower terminal module 52 are assembled together in the vertical direction to form a terminal block semi-finished product 53, and the insulating coating piece 54 is injection-molded again on the terminal block semi-finished product 53 to form the terminal module 4. The upper insulating block 48 and the lower insulating block 49 are each provided with a positioning column 55 and a positioning hole 56, and the positioning column 55 is vertically inserted into the corresponding positioning hole 56 through the through hole 443 of the metal locking piece 44. In other embodiments, the terminal block 4 may be manufactured by two-shot injection molding or one-shot injection molding, or the upper row of terminals and the lower row of terminals may be directly mounted to the insulating body in an insert assembly manner, so that an injection molding process is not required.

The upper row of terminals 42 includes an upper contact portion 421 exposed on the upper surface of the tongue plate 41, an upper extension portion 422 buried in the step portion 47 and the base 46, and an upper welding portion 423 extending rearward from the upper extension portion 421 beyond the base 46. The lower row of terminals 43 includes a lower contact portion 431 exposed on the lower surface of the tongue plate 41, a lower extension portion 432 buried in the stepped portion 47 and the base 46, and a lower solder portion 433 extending rearward from the lower extension portion 432 beyond the base. The upper and lower contact portions 421 and 431 are each in a flat plate shape, and the upper and lower soldering portions 423 and 433 are each parallel to the upper and lower contact portions 421 and 431, thereby being used for surface soldering to an external circuit board.

As shown in fig. 10, a circuit layout of the upper row terminal 42 and the lower row terminal 43 is shown, where the upper row terminal 42 and the lower row terminal 43 each have a detection terminal (CC 1, CC 2), a power terminal (VBUS), a ground terminal (GND), a USB2.0 differential signal terminal (d+, D-), a high-speed differential signal terminal (TX 1+, TX1-, RX1-, TX2-, RX2+, RX 2-), and a standby auxiliary terminal (SBU 1, SBU 2), and of course, this embodiment is a circuit configuration of the USB Type C receptacle connector in the case of full pin, and in some mobile phone applications, a pin lack structure that only needs to transmit a USB2.0 signal may be provided.

As shown in fig. 7, 8 and 10, the widths of the ground terminals GND and the power terminals VBUS of the upper-row terminals 42 and the lower-row terminals 43 at their contact portions and extension portions are larger than those of the other terminals at their contact portions and extension portions, and the widths of the ground terminals GND and the power terminals VBUS of the upper-row terminals 42 and the lower-row terminals 43 at their welding portions are the same as those of the other terminals at the welding portions. This widens the ground terminal and the power terminal, thereby facilitating heat dissipation at the time of large current transmission. The two sides of the ground contact GND are respectively provided with a holding arm 40 for holding to the corresponding holding hole 444 of the metal latch 44, thereby reinforcing the fixation between the upper terminal module 51, the lower terminal module 52 and the metal latch 44. The free ends of the retaining arms 40 are T-shaped so that the retaining is more stable.

As shown in fig. 2 and 9, two electromagnets 8 are mounted on the respective projections 142 of the two side walls 14 of the housing 1, respectively, the two electromagnets 8 being for attracting the plug connector provided with the ferromagnetic element. The ferromagnetic element on the plug connector may be a permanent magnet, an electromagnet or a metal plate that is attracted to the magnetic element. In this embodiment, the electromagnet is disposed on the receptacle connector, and in other embodiments, the electromagnet may be disposed on the plug connector, and the principle is similar. The detection terminals in the upper row of terminals 42 and the lower row of terminals 43 are used for detecting the matching of the plug connector and the socket connector 100, so as to control the on-off of the current and the magnitude of the current on the electromagnet 8.

The electromagnet 8 has a metal core 81, a coil 82 wound around the metal core 81, and a mounting leg 83 physically and electrically connected to the coil 82. The metal iron core 81 and the coil 82 are accommodated in the mounting hole 143 of the protruding portion 142, so that the electromagnet 8 and the embedded type electromagnet are mounted on the housing 1, and the metal iron core has the advantages of simple structure and convenience in manufacturing. The mounting feet 83 extend rearward beyond the projection 142 for soldering to an external circuit board, the mounting feet 83 being flat, the width of the mounting feet 83 being greater than the diameter of the coil 82 for easier mounting of the electromagnet to the external circuit board. The metal core 81 has a cylindrical shape, and the coil 82 is spirally wound around the metal core 81, thereby increasing the magnetic flux of the closed-loop magnetic circuit of the electromagnet 8. The mounting leg 83 has a connecting portion 831 connected to the coil 82 and a soldering portion 832 for surface soldering to an external circuit board, and the soldering portions 832 on the two electromagnets 8 extend in opposite directions, so that it is possible to prevent the two soldering portions 832 from being too close to generate electrical interference.

Referring to fig. 1 in combination, the front end surface of the metal core 81 is located behind the front end surface of the protruding portion 142, and the front end of the metal core 81 is not completely filled in the mounting hole 143 to reserve insertion of the ferromagnetic element on the plug connector, thereby fully utilizing the space occupied by the article. The socket connector 100 further includes a waterproof rubber ring 9 mounted at the front end of the housing 1, the waterproof rubber ring 9 is formed on the housing 1 by injection molding, and the protruding portion 142 is located at the rear of the waterproof rubber ring 9. The projection 142 and the front surface of the housing 9 form a recess 7, and the waterproof rubber ring 9 is mounted in the recess 7.

The housing 1 may be a metal housing or a plastic housing. When the housing 1 is a metal housing, it may be manufactured by a metal powder metallurgy (MIM) technique, such a housing 1 being strong; it can also be manufactured by stamping a metal strip, such a housing 1 being simple and easy to manufacture. In this embodiment, the housing 1 is manufactured by a metal powder metallurgy technique. The receptacle connector 100 further has a reinforcing member 6 mounted behind the terminal block 4 and welded to the housing 1, the reinforcing member 6 serving to prevent the terminal block 4 from being retracted when the plug connector is plugged in or plugged out.

The socket connector 100 is installed on a smart device (such as a smart phone or a tablet computer), and the on-off of the electromagnet 8 is controlled and completed through application software or built-in functions on the smart device.

Compared with the prior art, the metal locking piece 44 in the socket connector 100 can lock the plug connector, and the electromagnet 8 can be matched to provide an adsorption force, so that the socket connector 100 can transmit signals and currents more stably in mobile phones and tablet computers. The upper row terminal 42 and the lower row terminal 43 in the socket connector 100 are provided with detection terminals, and the detection terminals are used for detecting the matching of the plug connector and the socket connector 100, so that the on-off of current and the magnitude of current on the electromagnet 8 are controlled, and the electromagnet is controlled by detection and control, so that the operation is simple and easy.

The present invention is not limited to the above-described specific embodiments, and various modifications are possible within the scope of the present invention without inventive work by those skilled in the art from the above-described concepts.

Claims

1. The utility model provides a socket connector, its includes shell and terminal seat, the shell includes the slot that runs through along the fore-and-aft direction and encloses to establish roof, diapire and both sides wall around the slot, the terminal seat is including setting up in the tongue of slot in vertical direction intermediate position department, expose the tongue upper surface the upper row terminal, expose the tongue lower surface the lower row terminal and be located the metal latch piece between upper row terminal and the lower row terminal, the metal latch piece has buries in the tongue and buries the portion and expose the hasp portion in the horizontal both sides of tongue, hasp portion is used for hasp mutually with plug connector, its characterized in that: the socket connector further comprises two electromagnets which are respectively arranged on the two side walls of the shell, and the two electromagnets are used for attracting the plug connector provided with the ferromagnetic element;

the top wall and the bottom wall are parallel to each other and are horizontally arranged, the two side walls are respectively provided with a connecting wall which is vertically arranged and a protruding part which protrudes outwards transversely from the connecting wall, the thickness of the protruding part is smaller than that of the connecting wall in the vertical direction, and the two electromagnets are respectively arranged on the corresponding protruding parts;

the upper row of terminals and the lower row of terminals are provided with detection terminals which are used for detecting the matching of the plug connector and the socket connector so as to control the on-off of current and the magnitude of current on the electromagnet;

the electromagnet is provided with a metal iron core, a coil wound around the metal iron core and a mounting foot physically and electrically connected with the coil, the metal iron core and the coil are accommodated in the mounting hole, and the mounting foot extends backwards beyond the protruding part to be welded to an external circuit board;

the mounting feet are flat, and the width of the mounting feet is larger than the diameter of the coil.

2. The receptacle connector of claim 1, wherein: the metal iron core is cylindrical, and the coil is spirally wound on the metal iron core.

3. The receptacle connector of claim 1, wherein: the mounting leg has a connecting portion connected to the coil and a soldering plate portion for surface soldering to an external circuit board, and the soldering plate portions on the two electromagnets extend in opposite directions.

4. The receptacle connector of claim 1, wherein: the front end face of the metal iron core is positioned behind the front end face of the protruding part, and the front end of the metal iron core is not fully filled in the mounting hole.

5. The receptacle connector of claim 1, wherein: the socket connector further comprises a waterproof rubber ring arranged at the front end of the shell, the waterproof rubber ring is formed on the shell in an injection mode, and the protruding portion is located behind the waterproof rubber ring.

6. The receptacle connector of claim 5, wherein: the front surfaces of the protruding part and the shell form a groove, and the waterproof rubber ring is arranged in the groove.

7. The receptacle connector of claim 1, wherein: the socket connector is arranged on the intelligent equipment, and the on-off of the electromagnet is controlled and completed through application software or built-in functions on the intelligent equipment.