TW201807896A - Plug and electrical connector thereof - Google Patents

Abstract

A plug and electrical connector thereof, the electrical connector comprises a shell formed of a plastic material and at least one contact module. The shell defines a base and a mating portion extending from the base along a front-to-rear direction, the mating portion defines mating surfaces along a up-to-down direction. The contact module comprises a plurality of conductive contacts defining contacting portions and an insulative piece, the contacting portions of the conductive contacts are exposed onto the mating surface. The electrical connector further comprises two metal reinforcing members assembled to the outside of the contact module, the shell surrounds the contact module and metal reinforcing member. The setting of the reinforcing member enhances the strength of the electrical connector, and decreases shear stress of the electrical connector.

Description

Plug and electrical connector

The invention relates to a plug and an electrical connector thereof, and more particularly to a plug and an electrical connector having higher strength.

The prior art discloses a connector that can be mated with a mating connector. The connector includes an insulating shell and a terminal module disposed in the insulating shell. The insulating shell is provided with a docking portion extending in the front-back direction, and the docking portion is provided with a docking surface in the up-down direction. The terminal module includes a conductive terminal having a contact portion and an insulating block, and the insulating housing is directly injection-molded on the terminal module to form the butting portion, and the contact portion of the conductive terminal is exposed to the Butt surface. However, in addition to the conductive terminals of the above-mentioned connector being made of metal, the other structures are made of plastic material, so that when the connector is affected by a large external force, it is prone to bending, breaking and other phenomena.

Therefore, in view of the above problems, it is necessary to provide a new technical solution to solve the above problems.

The object to be achieved by the present invention is to provide a plug with a metal reinforcing member and an electrical connector thereof, which can reduce the influence of the shearing force on the electrical connector.

In order to solve the above technical problems, the present invention provides an electrical connector including a housing formed of a plastic material and at least one terminal module provided in the housing. The housing is provided with a base portion and a docking portion extending from the base portion in the front-back direction, and the docking portion is provided with a docking surface in the up-down direction. The terminal module includes a conductive terminal having a contact portion and an insulating block, and the contact portion of the conductive terminal is exposed to the abutting surface. The electrical connector further includes two metal reinforcing members respectively assembled on an outer surface of the terminal module, and the shell covers the terminal module and the metal reinforcing member.

In order to solve the above technical problem, the present invention further provides a plug, which includes: an outer shell body including a hollow sleeve, a side wall of the sleeve is provided with a slot extending in a longitudinal direction; a connector assembly is assembled at A housing body comprising a circuit board and an electrical connector mounted on the circuit board; wherein the electrical connector is provided with a plastic shell and a metal reinforcing member provided in the plastic shell, and the plastic shell is provided with a base and extends from the base The butting portion is partially received in the slot of the sleeve.

Compared with the prior art, the electrical connector of the present invention further includes two metal reinforcing members respectively assembled on the outer surface of the terminal module, and the shell covers the terminal module and the metal reinforcing member. The presence of the metal reinforcement in the electrical connector strengthens the overall strength of the electrical connector, so that the electrical connector is less affected by shear stress and is not easily broken by force.

Hereinafter, specific embodiments of the plug 1000 and the electrical connector 1 of the present invention will be described with reference to the first to tenth drawings.

Referring to the first to third figures, the plug 1000 of the present invention is used for plugging into an electronic device (not shown) and includes an outer casing 100 and a connector assembly 200 assembled in the outer casing 100. The outer casing 100 includes a hollow sleeve 101 and a top cover 102 mounted on one end of the sleeve 101. A side wall of the sleeve 101 is provided with a slot 1010 extending in a longitudinal direction and penetrating one end of the sleeve 101. The top cover 102 includes a circular cover body 1021 and a sealing body 1022 extending from one side of the cover body 1021. The cover body 1021 is sealed at one end of the sleeve 101, and the sealing body 1022 is in contact with the slot 1010. Fit, wherein the width of the sealing body 1022 is approximately the same as the width of the slot.

The connector assembly 200 includes a circuit board 201, two magnets 202 mounted on the circuit board 201, and an electrical connector 1. The electrical connector 1 is mounted on a surface mount technology (SMT). Circuit board 201. The two magnets 202 are located on the surface of the same side of the circuit board 201 as the electrical connector 1, and the two magnets 202 are respectively located on two longitudinal sides of the electrical connector 1. When the plug 1000 is inserted into the electronic device, the plug 1000 is attracted to the electronic device by the magnet 202. An LED light 203 is installed on the other side surface of the circuit board 201, and the LED light 203 is used to display the running status of the connector assembly 200 when it is plugged in. The plug 1000 further includes a limiting block 103 adjacent to the top cover 102 and fixed on the inner wall of the sleeve 101. When the connector assembly 200 is assembled into the sleeve 101, the limiting block 103 is in phase with the connector assembly 200. This fits, so that the connector assembly 200 is fixed in the sleeve 101 without shaking, shifting or the like.

Referring to the fourth to ninth figures, the electrical connector 1 includes a housing 3, two terminal modules 4 provided in the housing 3, and two metal reinforcing members 5. The two terminal modules 4 are separated from each other and fixedly assembled together, and the two metal reinforcing members 5 are respectively assembled on the outer surfaces of the corresponding terminal modules 4. The casing 3 is injection-molded on the terminal module 4 and the metal reinforcement 5, and the casing 3 is formed of a plastic material. The molded casing 3 includes a base portion 31 and a docking portion protruding forward from the front end of the base portion 31. 32. The docking portion 32 is formed extending in the front-back direction and is arranged in a longitudinal structure in the left-right direction; that is, the shell 3 is directly injection-molded on the two terminal modules 4 and the metal reinforcement 5 to form the base portion 31 and the docking portion 32. An electrical connector 1 is further formed.

The base portion 31 is provided with a plurality of through holes 310 penetrating through both sides thereof. The through holes 310 are formed when the housing 3 is injection-molded on the terminal module 4. The abutting portion 32 is provided with a pair of abutting surfaces 321 on the upper and lower sides and a front end surface 323 on the front end. Each of the abutting surfaces 321 is provided with a concave portion 322 recessed inward, that is, each abutting surface 321 is provided with A recessed portion 322 recessed in the direction of the other abutting surface 321 is located at an intermediate position of the abutting surface 321 in the left-right direction and penetrates the front end surface 323 of the abutting portion 32 forward. The arrangement of the recessed portion 322 greatly reduces the contact or friction area of the abutting surface 321 and the abutting terminal of the abutting connector, thereby greatly reducing the insertion and withdrawal force when the electrical connector 1 is mated with the abutting connector. A pair of inwardly recessed notches 324 are also provided at the positions of the left and right sides of the docking portion 32 adjacent to the base 31, and the notches 324 are used to be installed on the side walls of the slot 1010 of the sleeve 101 when the outer case 3 is installed. .

Each terminal module 4 includes a row of conductive terminals 41 and an insulating block 42 injection-molded on the conductive terminals 41 so as to better fix the row of conductive terminals 41 together. The insulating block 42 is formed of a plastic material and is provided with a dovetail groove structure on both sides in the longitudinal direction. The insulating block 42 is used to strengthen the bonding force with the casing 3 when the casing 3 is injection-molded. Each of the rows of conductive terminals 41 is six conductive terminals 41, which include six contact portions 411 exposed on the abutting surface 321 and arranged in a row in the left-right direction, a tail portion 413 extending rearwardly of the housing 1 and a connection contact portion 411 For the connection portion 412 with the tail portion 413, the insulation block 42 is injection-molded on the connection portion 412, and the contact portion 411 and the tail portion 413 expose the insulation block 42. The outer surface of the contact portion 411 is flush or coplanar with the abutting surface 321. Of course, in other embodiments, the outer surface of the contact portion 411 may also protrude from the abutting surface 321. The inwardly recessed recesses 322 provided on the abutting surface 321 are arranged side by side with the contact portions 411, and the contact portions 411 are symmetrically arranged on the left and right sides of the recessed portions 322 on the abutting surface 321. That is, each of the contact portions 311 in each row forms a group of three, forming two groups in total, and is located symmetrically on the left and right sides of the recessed portion 322.

The metal reinforcing member 5 is attached on the outer surface of the corresponding terminal module 4 and is provided with an opening 50 corresponding to the injection hole 420 on the terminal module 4 so as to provide for the case 3 to be directly injection-molded on the terminal module 4. Good retention effect. Each metal reinforcing member 5 includes a longitudinal body portion 51 and a plurality of welding legs 52 extending downward from the main body portion 51. The main body portion 51 is affixed to the surface of the insulating block 42 of the terminal module 4 to strengthen the overall strength of the electrical connector 1; and the soldering pin 51 is used to be fixed on the circuit board 201 by welding, so that the electrical connector 1 It can be fixed on the circuit board 201 more stably. As shown in FIG. 10, when the connector assembly 200 is assembled into the sleeve 101, the abutting portion 32 and the metal reinforcement 5 of the housing 3 are partially received in the slot 1010 of the sleeve 101. When the plug 1000 is pulled out by the vertical force after being docked with the electronic device, a shear stress is generated between the docking portion 32 of the electrical connector 1 and the side wall of the sleeve 101 due to the presence of the metal reinforcement 5 in the electrical connector 1 The overall strength of the electrical connector 1 is strengthened, so that the influence of the shear stress on the electrical connector 1 is reduced and it is not easy to be directly broken by force.

The longitudinal ends of the main body portion 51 of the metal reinforcement 5 are further provided with a connecting portion 53 bent inwardly and a fixing leg 54 extending downward from the connecting portion 53. The connecting portions 53 of the two metal reinforcing members 5 are bent towards each other, so that the fixing feet 54 of the two metal members 5 abut on each other and overlap each other. In the present invention, the fixed feet 54 that are close to each other are not welded together. In other embodiments, two adjacent fixed feet 54 can also be fixed together by spot welding, soldering, etc., thereby improving the metal. Fixing effect of the reinforcing member 5 on the terminal module 4. When the housing 3 is injection-molded, the positioning post 311 of the housing 3 is a fixed leg 54 covering the metal reinforcement 5. The positioning post 311 of the housing 3 can have high strength, so that the positioning post 311 is fixed to the circuit board 201. The positioning post 311 is also less prone to breakage when subjected to impact. In this embodiment, the fixed leg 54 does not protrude from the positioning post 311; in other embodiments, the fixed leg 54 may protrude from the fixed post 311, so that the positioning post 311 is positioned first when the board is hit. After the board is punched, tin is added to fix the fixed leg 54 to the circuit board 201, thereby increasing the gripping force of the electrical connector 1.

The above descriptions are only part of the embodiments of the present invention, not all of them. Any equivalent changes to the technical solution of the present invention by those skilled in the art by reading the description of the present invention are within the scope of the patent application Covered.

1‧‧‧electrical connector
100‧‧‧ Outer shell
1000‧‧‧Plug
101‧‧‧ sleeve
1010‧‧‧Slot
102‧‧‧Top cover
1021‧‧‧ Lid
1022‧‧‧Sealed body
103‧‧‧ limit block
200‧‧‧ connector assembly
201‧‧‧Circuit Board
202‧‧‧Magnet
203‧‧‧LED Light
3‧‧‧ shell
31‧‧‧ base
310‧‧‧through hole
311‧‧‧Contact
32‧‧‧ Butt Department
321‧‧‧butt
322‧‧‧ Depression
323‧‧‧front
324‧‧‧ gap
4‧‧‧Terminal Module
41‧‧‧Conductive terminal
411‧‧‧Contact
412‧‧‧Connection Department
413‧‧‧ tail
42‧‧‧Insulation block
420‧‧‧ injection hole
5‧‧‧ metal reinforcement
50‧‧‧ opening
51‧‧‧Main body
52‧‧‧Welding feet
53‧‧‧Connection Department
54‧‧‧Fixed feet

The first figure is a schematic perspective view of the plug of the present invention.

The second figure is a partially exploded view of the plug shown in the first figure.

The third figure is a partially exploded view of the plug at another angle shown in the second figure.

The fourth diagram is a perspective view of the electrical connector of the plug shown in the first diagram.

The fifth diagram is a schematic perspective view of the electrical connector shown in the fourth diagram at another angle.

The sixth diagram is a partial exploded view of the electrical connector shown in the fourth diagram.

The seventh figure is an exploded view of the electrical connector shown in the fifth figure.

The eighth figure is an exploded view of the electrical connector shown in the fourth figure.

The ninth figure is an exploded view of the electrical connector shown in the fifth figure.

The tenth figure is a sectional view of the plug taken along the line X-X in the first figure.

no

3‧‧‧ shell

31‧‧‧ base

311‧‧‧Contact

32‧‧‧ Butt Department

322‧‧‧ Depression

4‧‧‧Terminal Module

41‧‧‧Conductive terminal

411‧‧‧Contact

412‧‧‧Connection Department

413‧‧‧ tail

42‧‧‧Insulation block

420‧‧‧ injection hole

5‧‧‧ metal reinforcement

50‧‧‧ opening

51‧‧‧Main body

52‧‧‧Welding feet

53‧‧‧Connection Department

54‧‧‧Fixed feet

Claims (10)

An electrical connector includes: a housing formed of a plastic material, provided with a base portion and a docking portion extending from the base portion in the front-back direction, the docking portion being provided with a docking surface in the up-down direction; at least one terminal module, The terminal module includes a conductive terminal having a contact portion and an insulating block, and the contact portion of the conductive terminal is exposed to the abutting surface; wherein the electrical connector further includes an assembly outside the terminal module. The surface of the metal reinforcement, the shell covers the terminal module and the metal reinforcement. The electrical connector according to item 1 of the scope of the patent application, wherein the metal reinforcing members are arranged in pairs, and the shell is directly injection-molded on the terminal module and the metal reinforcing member and is provided with two terminals separated from each other. Module, the two metal reinforcements are respectively attached to the outer surface of the corresponding terminal module, and each metal reinforcement includes a longitudinal body portion and a plurality of welding feet extending from the body portion, and the body portion is attached Cover the insulation block of the terminal module. The electrical connector according to item 1 of the scope of patent application, wherein the insulating block of the terminal module is injection-molded on the conductive terminal, the insulating block is formed of a plastic material, and both sides of the longitudinal block are provided with a housing Dovetail slot mechanism. A plug includes: an outer shell including a hollow sleeve, a side wall of the sleeve is provided with a slot extending in a longitudinal direction; a connector assembly, which is assembled in a housing, and includes a circuit board and An electrical connector of a circuit board; wherein the electrical connector is provided with a plastic shell and a metal reinforcing member provided in the plastic shell, the plastic shell is provided with a base portion and a docking portion extending from the base portion, and the docking portion is connected with A metal reinforcement member is received in a slot of the sleeve. The plug according to item 4 of the scope of patent application, wherein the circuit board of the connector assembly and the base of the electrical connector are housed in a sleeve of an outer casing, and the mating portion of the electrical connector extends out of the socket. Outer shell. The plug according to item 4 of the scope of patent application, wherein the connector assembly further includes two magnets mounted on a circuit board and located on both sides of the length of the electrical connector, and the electrical connector is through a SMT (Surface Mount Technology) is mounted on the circuit board and is located on the same side of the circuit board as the magnet. The plug according to item 4 of the scope of patent application, wherein the outer casing includes a top cover installed at one end of the sleeve, and the top cover includes a circular cover enclosed at one end of the sleeve and extends from one side of the cover. A sealing body that cooperates with the slot. The plug according to item 7 of the scope of patent application, wherein the width of the sealing body is substantially the same as the width of the slot. The plug according to item 7 of the scope of patent application, wherein a pair of inwardly recessed notches are provided on the longitudinal sides of the docking portion adjacent to the base, and one of the notches is snapped on the side wall of the slot of the sleeve While the other notch is snapped onto the free end of the sealing body of the top cover. The plug according to item 7 of the scope of patent application, wherein the plug further includes a limiting block adjacent to the top cover and fixed on the inner wall of the sleeve. When the connector assembly is assembled into the sleeve, the limiting element The block cooperates with the connector assembly so that the connector assembly is fixed in the sleeve.