TWM454000U - Electrical connector and the assembly of the same - Google Patents

Description

Electrical connector and combination thereof

The present invention relates to an electrical connector and combinations thereof, and more particularly to an electrical connector for data transmission and combinations thereof.

USB is the abbreviation of Universal Serial Bus. The Chinese name is a universal serial bus. It was originally designed to connect computer peripheral devices, such as keyboards and mice, etc., compared to traditional internal PC bus, such as PCI, ISA. Etc., USB is easier to use, and because the USB interface is suitable for various operating systems, there is no need to install special drivers, no complicated device installation process, and hot plug function. Through the USB interface, you can immediately Accessing various data or driving other hardware, USB connection has become a basic device on today's personal computers, and the USB interface is also widely used, including floppy disk drives and digital cameras. Portable storage devices such as CD/DVD-ROM, flash memory, MP3 and other storage devices.

The prior art UsB electrical connector generally includes an insulative housing, a plurality of conductive terminals mounted on the insulative housing, and at least one metal housing for receiving the insulative housing, wherein the insulative housing further includes a mating connector The butted tongue portion protrudes from the tongue plane and is electrically connected to the mating connector. The metal housing is surrounded by a plug-in connector for plugging the mating connector, and the outer edge portion of the plug connector is bent and extended to form a wide-mouth guiding portion for guiding the docking connector to be inserted. Since the metal casing is made of a hard metal material, it is difficult to ensure the flatness of the plug interface and the surface of the guide portion during the production process, which may affect the hand feeling when the mating connector is inserted into the plug connector. In addition, due to the current trend of miniaturization of electronic products, the existing USB power The metal housing of the connector is relatively thin. When the USB electrical connector is assembled to the electronic device and docked with the docking connector, the docking connector can be easily slid to the electronic device housing at the plug interface, and the electronic device housing is easily scratched. Thereby affecting the overall aesthetics of the electronic device.

In view of the above problems, it is necessary to provide an improved electrical connector to solve the above problems.

The purpose of the present invention is to provide an electrical connector and a combination thereof, and more particularly to an electrical connector having a good plug hand and having an anti-scratch effect and a combination thereof.

In order to achieve the above object, the present invention provides an electrical connector including an insulative housing, a metal housing covering the insulative housing, and a plurality of terminals mounted in the insulative housing, wherein the insulative housing and the metal housing are defined and received. The insulating body includes a base body and a tongue plate extending from the base body and protruding into the receiving space. The front end of the metal shell is formed with a pair of interfaces, and the front edge of the pair of metal shells is fixed at the front end. It has a plastic protective ring and is formed by a plastic protective ring.

In order to achieve the above object, the present invention provides an electrical connector assembly including an electrical connector and a circuit board for holding the electrical connector, the electrical connector including an insulative housing, a metal housing covering the insulative housing, and a plurality of terminals disposed in the insulating body, wherein the insulative housing and the metal housing define a receiving space, the insulating body includes a base body and a tongue extending from the base body and protruding into the receiving space, the metal A front end of the casing is formed with a pair of interfaces, and a plastic guard ring is fixed at a front edge of the pair of metal shells, and a plastic guard ring forms an insertion interface.

Compared with the prior art, the present invention has at least the following advantages: a plastic protective ring is fixed at the front end of the metal casing and a plug interface is formed, which can ensure the flatness of the electrical connector socket and ensure the plug-in butt connector. At the same time, it prevents the risk of the butt connector scratching the surface of the electronic product at the connector when the docking connector is plugged.

100‧‧‧Electrical connector

1‧‧‧Insulating body

11‧‧‧ base

111‧‧‧Upper surface

112‧‧‧ lower surface

113‧‧‧Lock block

114‧‧‧stop groove

115‧‧‧Resistance slot

116‧‧‧ holding slot

117‧‧ ‧ ribs

118‧‧‧Terminal slot

12‧‧ ‧ tongue

2‧‧‧Metal housing

21‧‧‧ top board

211‧‧‧ slotting

212‧‧‧stop

213‧‧‧Keeping Department

22‧‧‧floor

221‧‧‧ card slot

222‧‧‧Weld Department

23‧‧‧ left and right side panels

231‧‧‧Resistance board

232‧‧‧Detention Department

24‧‧‧ accommodating space

25‧‧‧Dovetail slot

26‧‧‧Extension

27‧‧‧ Plug interface

3‧‧‧ terminals

4‧‧‧ plastic protective ring

41‧‧‧ Guidance Department

42‧‧‧ Surrounding

100’‧‧‧ electrical connectors

27’‧‧‧Interface

4'‧‧‧ plastic protective ring

43’‧‧‧First curved section

44’‧‧‧Second curved section

100’’‧‧‧ electrical connectors

27’’‧‧‧Interface

4’’‧‧‧ Plastic protective ring

43’’‧‧‧The first curved part

The first figure is a perspective view of the present electrical connector; the second figure is a perspective view of the electrical connector shown in the first figure from another angle; the third figure is the electrical connector shown in the first figure from another angle The third figure is an exploded view of the present electrical connector; the fifth figure is the exploded view of the electrical connector shown in the fourth figure from another angle; the sixth figure is the second of the original electrical connector 3 is a perspective view of a second embodiment of the electrical connector assembled to the electronic product; the eighth diagram is a perspective view of the third embodiment of the present electrical connector; The perspective view of the electrical connector of the third embodiment shown in the eighth embodiment is assembled to an electronic product.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a specific embodiment of the present invention will be described in detail with reference to the accompanying drawings. The present invention relates to an electrical connector assembly including an electrical connector 100 and a circuit board for connecting the fixed electrical connector 100 (not Mark).

Referring to FIG. 1 to FIG. 5 , the present invention has an insulative housing 1 , a metal housing 2 disposed on the insulative housing 1 , a plurality of terminals 3 disposed in the insulative housing 1 , and a plurality of terminals 3 . The plastic guard ring 4 at the front end of the metal casing 2, wherein the insulative housing 1 and the metal casing 2 are defined to form a receiving space 24 for plugging the mating connector. For convenience of description, the plug end of the electrical connector 100 is considered to be the front end.

Referring to the fourth and fifth figures, the insulative housing 1 includes a base body 11 having a rectangular parallelepiped shape and a tongue plate 12 extending forward from the base body 11. The tongue plate 12 projects into the receiving space 24. The base 11 is formed with oppositely disposed upper surfaces 111 and lower surfaces 112 and left and right sides (not labeled) perpendicular to the upper surface 111 and the lower surface 112, respectively. The upper surface 111 is provided with a pair of left and right locking blocks 113 at predetermined positions near the two sides. The upper surface 111 is recessed downwardly at a front end of the base 11 with a pair of left and right stop grooves 114. Moreover, the stopper groove 114 and the locking block 113 are respectively disposed adjacent to the front end direction of the base body 11 in the front end direction. An abutting groove 115 is recessed downwardly from the two locking blocks 113 adjacent to the locking block 113. The stopping groove 114 and the abutting groove 115 respectively pass through the front end face and the rear of the base body 11 respectively. End face setting. A pair of left and right latching grooves 116 are recessed downwardly on the lower surface of the lower surface 112 of the base body 11. The latching groove 116 is disposed through the rear end surface. A rib 117 is convexly disposed at a front end of the lower surface 112 near the base 11. A plurality of terminal slots 118 are defined in the tongue plate 12 of the insulative housing 1 . The terminals 3 are retained in the terminal slots 118 and partially exposed outside the terminal slots 118 for electrical contact with the mating connector.

Referring to the fourth and fifth figures, the metal casing 2 is substantially cylindrical, and includes a top plate 21 and a bottom plate 22 which are oppositely disposed, and left and right side plates 23 adjacent to the top plate 21 and the bottom plate 22. The top plate 21, the bottom plate 22, and the left and right side plates 23 and the insulative housing 1 are collectively arranged as a receiving space 24 for receiving the mating connector. The front end of the metal casing 2 is formed with a pair of interfaces (not labeled). The rear edge of the top plate 21 is provided with two left and right slots 211, and a stop portion 212 is extended from the inner edge of each slot 211 toward the opposite left and right side plates 23, respectively. The locking block 113 of the insulative housing 1 is correspondingly held in the slot 211, and the stopping portion 212 is abutted in the abutting slot 115 of the insulative housing 1 for holding the insulative housing 1 and the metal housing 2. A latching portion 213 is recessed into the receiving space 24 at the other inner edge of the slot 211. The latching portion 213 is correspondingly received in the retaining slot 114 of the insulative housing 1 for the insulative housing 1 and the metal shell. The retention of body 2.

A latching slot 221 is defined in the middle of the rear end edge of the bottom plate 22, and the protruding strip 117 of the insulative housing 1 is correspondingly received. The capacitor is held in the retaining slot 221 for holding the insulative housing 1 and the metal housing 2. A soldering portion 222 for connecting to the docking circuit board is formed along the two sides of the bottom plate 22 and bent vertically downward. Abutting plate 231 is bent along the side edge of the rear end of the left and right side plates 23, and the resisting plate 231 and the bottom plate 22 are in the same plane and can be attached to the lower surface 112 of the insulating body 1. The abutting plate 231 is bent and extended toward the receiving space 24 to form a latching portion 232 for engaging with the latching groove 116 of the insulative housing 1 .

A plurality of dovetail grooves 25 are formed at the front end edges of the top plate 21 and the bottom plate 22 of the metal casing 2, and the dovetail grooves 25 are tapered from the inner opening direction to facilitate more stable retention with the plastic guard ring 4. A plurality of extending portions 26 are retained and extended in the plastic guard ring 4 along the front end edges of the top plate 21 and the left and right side plates 23 of the metal casing 2.

Referring to the first to fifth figures, the plastic protective ring 4 is substantially in the shape of a ring-shaped frame, and the plastic protective ring 4 is injection-molded at the front edge of the metal casing 2 to the interface and formed by the plastic guard ring 4 27. The inner side of the plastic guard ring 4 includes an inner ring wall, and the inner ring wall forms a wide mouth guide 41 for facilitating the mating of the mating connector. The plastic guard ring 4 and the top plate 21 and the left and right side plates 23 of the metal shell 2 are extended to form a surrounding portion 42 corresponding to the outer surface of the top plate 21 and the left and right side plates 23. The surrounding portion 42 allows the plastic guard ring 4 to The metal casing 2 is held more firmly. The dovetail groove 25 of the metal casing 2 is fixed and held in the plastic guard ring 4, and the extension portion 26 of the metal casing 2 is held in the guiding portion 41 of the plastic guard ring 4, and the extending portion 26 is close to The portion of the front end of the metal casing 2 is coplanar with the guide portion 41 of the plastic guard ring 4 for better flatness. The extension portion 26 is disposed on the one hand to make the plastic protective ring 4 and the metal casing 2 more securely fixed, and on the other hand, to prevent the scratching and abrasion of the plastic protective ring 4 by the mating connector.

In order to match the shape of the electronic device housing and the mounting position of the electrical connector 100, the present electrical connector 100 has a second embodiment. Referring to the sixth and seventh figures, the second embodiment differs from the first embodiment only in that both sides of the front edge of the plastic guard ring 4' are inserted into the interface 27'. The first curved portion 43' is formed in an arc shape, and the second curved portion 44' is formed in an arc-shaped portion at a side of the upper and lower end edges. Such an arrangement allows the electrical connector 100' to be flush with the outer surface of the electronic device when assembled to the electronic device.

Referring to the eighth and ninth drawings, a third embodiment of the present electrical connector 100 is illustrated. The third embodiment is different from the first embodiment only in that the two sides of the front edge of the plastic guard ring 4'' insertion interface 27'' are formed in a curved shape to form a first curved portion 43'. ', and the two first curved portions 43'' are respectively disposed symmetrically about the longitudinal axis of the insertion interface 27" of the plastic guard ring 4". Such an arrangement allows the electrical connector 100'' to be flush with the outer surface of the electronic device when assembled to the electronic device.

When the electrical connector 100 is assembled on an electronic product, the plug connector 27 of the plastic guard ring 4 of the electrical connector 100 is flush with the surface of the electronic device and disposed at the front end of the metal casing 2 of the electrical connector 100. When the docking connector is inserted into the accommodating space 24, the first contact with the plastic guard ring 4 is guided by the guiding portion 41 and completely inserted into the accommodating space 24, and the plastic guard ring 4 prevents the wiping connector from scraping the electronic device casing at the edge of the plug connector 27. At the same time, the plastic shield ring 4 forms the plug interface 27, and the plastic material can well ensure the flatness of the plug connector 27 of the electrical connector 100, thereby ensuring the hand feeling when the docking connector is plugged.

In summary, this creation is in line with the new patent requirements, and the patent application is filed according to law. However, the above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and those who are familiar with the skill of the present invention are equivalent to the equivalent modifications or changes made by the spirit of the present creation. It should be covered by the following patent application.

100‧‧‧Electrical connector

113‧‧‧Lock block

2‧‧‧Metal housing

212‧‧‧stop

213‧‧‧Keeping Department

24‧‧‧ accommodating space

27‧‧‧ Plug interface

4‧‧‧ plastic protective ring

41‧‧‧ Guidance Department

Claims (26)

An electrical connector includes an insulative housing, a metal housing that is disposed on the insulative housing, and a plurality of terminals disposed in the insulative housing, wherein the insulative housing and the metal housing define a receiving space, and the insulative housing includes a base And a tongue extending from the base body to the tongue plate in the receiving space, wherein the front end of the metal shell is formed with a pair of interfaces, wherein the metal shell has a plastic guard ring at the front edge of the pair of interfaces And the plastic protection ring forms a plug interface. The electrical connector of claim 1, wherein the metal housing comprises a top plate and a bottom plate disposed opposite to each other, and left and right side plates adjacent to the top plate and the bottom plate, and a top edge of the metal case and a front edge of the left and right side plates. Extending forwardly, an extension portion is formed which is held by the plastic guard ring. The electrical connector of claim 2, wherein the inner side of the plastic guard ring comprises an inner ring wall, and the inner ring wall is formed with a guiding portion. The electrical connector of claim 3, wherein the portion of the extension near the front edge of the metal housing is coplanar with the guiding portion of the plastic guard ring. The electrical connector according to any one of claims 2 to 4, wherein the plastic guard ring and the top plate of the metal casing and the joint of the left and right side plates are extended to form corresponding surfaces on the outer surface of the top plate and the left and right side plates. Surrounded by. The electrical connector of claim 5, wherein the top end of the metal casing and the front end of the bottom plate are provided with a dovetail groove corresponding to the plastic guard ring. The electrical connector of claim 1, wherein the plastic guard ring is formed in an arc shape and formed on both sides of the front edge of the plastic guard ring insertion interface in order to match the shape of the electronic device casing. The first curved portion. The electrical connector of claim 7, wherein the first curved portions on both sides of the plastic guard ring insertion interface are respectively symmetrically disposed about a longitudinal central axis of the plug connector. The electrical connector of claim 1, wherein the plastic guard ring is formed in an arc shape and formed on both sides of the front edge of the plastic guard ring insertion interface in order to match the shape of the outer casing of the electronic device. The first curved portion has an upper and lower edge portion that is curved and formed with a second curved portion. The electrical connector according to any one of claims 7 to 9, wherein the inside of the plastic guard ring includes an inner ring wall, and the inner ring wall is formed with a guiding portion; the metal casing The front end edge extends forwardly to form an extension portion that is mutually retained with the guiding portion of the plastic guard ring, and the extension portion is disposed in a plane with the guiding portion. The electrical connector of any one of claims 2 to 4, wherein the base body of the insulative housing is formed with oppositely disposed upper and lower surfaces, the upper surface being arranged adjacent to the left and right sides The locking block has a slot corresponding to the locking block. The electrical connector of claim 11, wherein the front end of the upper surface of the insulating body base is recessed and formed with a left and right stop groove, and the metal housing is correspondingly formed with a retaining groove. a retaining portion, wherein the stopping groove and the locking block are respectively disposed adjacent to each other in a front end direction of the base body. The electrical connector of any one of claims 2 to 4, wherein the bottom surface of the metal metal casing extends and is bent vertically downward to form a welded portion for connection with the docking circuit board. An electrical connector assembly includes an electrical connector and a circuit board connected to the holding electrical connector, the electrical connector comprising an insulative housing, a metal housing covering the insulative housing, and a plurality of terminals mounted in the insulative housing The insulative housing and the metal housing are defined with a receiving space. The insulative housing includes a base body and a tongue plate extending from the base body and protruding into the receiving space. The front end of the metal housing is formed with a pair of interfaces. The utility model is characterized in that: a plastic protective ring is fixed at a front edge of the pair of metal shells, and a plastic protective ring forms an insertion interface. The electrical connector assembly of claim 14, wherein the metal housing comprises a phase For the top plate and the bottom plate and the left and right side plates adjacent to the top plate and the bottom plate, the top edge of the top plate and the left and right side plates of the metal casing extend forward to form an extension portion that is mutually retained with the plastic guard ring. The electrical connector assembly of claim 15, wherein the inner side of the plastic guard ring includes an inner ring wall, and the inner ring wall is formed with a guiding portion. The electrical connector assembly of claim 16, wherein the portion of the extension near the front edge of the metal housing is coplanar with the guide portion of the plastic guard ring. The electrical connector assembly according to any one of claims 15 to 17, wherein the plastic guard ring and the top plate of the metal casing and the joint of the left and right side plates are extended to form a correspondingly attached to the top plate and the left and right side plates. The surrounding part of the surface. The electrical connector assembly of claim 18, wherein the top end of the metal shell and the front end of the bottom plate are provided with a dovetail groove corresponding to the plastic guard ring. The electrical connector assembly of claim 14, wherein the plastic guard ring is formed in an arc shape and formed on both sides of the front edge of the plastic guard ring insertion interface in order to match the shape of the electronic device casing. There is a first curved portion. The electrical connector assembly of claim 20, wherein the first curved portions on both sides of the plastic guard ring insertion interface are respectively symmetrically disposed about a longitudinal central axis of the plug connector. The electrical connector assembly of claim 14, wherein the plastic guard ring is formed in an arc shape and formed on both sides of the front edge of the plastic guard ring insertion interface in order to match the shape of the electronic device casing. There is a first curved portion, and the upper and lower end portions are arc-shaped and formed with a second curved portion. The electrical connector assembly of any one of claims 20 to 22, wherein the inside of the plastic guard ring includes an inner ring wall, and the inner ring wall is formed with a guiding portion; the metal shell The front end of the body extends forwardly to form an extension portion that is mutually retained with the guiding portion of the plastic guard ring, and the extending portion is disposed in a plane with the guiding portion. The electrical connector assembly according to any one of claims 15 to 17, wherein the base body of the insulative housing is formed with an oppositely disposed upper surface and a lower surface, the upper surface being disposed adjacent to both sides Arranging the locking block, the top plate is provided with a slot corresponding to the locking block. The electrical connector assembly of claim 24, wherein the front end of the upper surface of the insulating body base is recessed to form a stop groove arranged on the left and right sides, and the metal housing is correspondingly formed to be retained in the stop groove. a retaining portion, wherein the stop groove and the locking block are respectively disposed adjacent to each other in a front end direction of the base body. The electrical connector assembly of any one of claims 15 to 17, wherein the metal metal housing has two sides extending from the bottom plate and bent vertically downward to form a soldering portion for connecting to the docking circuit board. .