CN213026595U

CN213026595U - Electrical connector

Info

Publication number: CN213026595U
Application number: CN202022210908.9U
Authority: CN
Inventors: 陈昌耀; 姚宏江; 方志宏; 胡义梅
Original assignee: Drapho Electronics Technology Co ltd
Current assignee: Drapho Electronics Technology Co ltd
Priority date: 2020-10-02
Filing date: 2020-10-02
Publication date: 2021-04-20
Anticipated expiration: 2030-10-02

Abstract

The utility model provides an electric connector, include insulator and accept in the terminal group of insulator, insulator is equipped with the butt joint hyoplastron, and the butt joint hyoplastron is equipped with upper surface and lower surface, terminal group is including distributing in a plurality of rows of terminals of going up of butt joint hyoplastron upper surface, distributing in a plurality of rows of terminals and strengthening the terminal under the butt joint hyoplastron lower surface, strengthening the terminal be equipped with bury underground in contact arm in the butt joint hyoplastron, the upper end of contact arm is equipped with the last contact surface that exposes in butt joint hyoplastron upper surface, and the lower extreme is equipped with the lower contact surface that exposes in butt joint hyoplastron. Compared with the prior art, the utility model discloses a improve the partial terminal in the terminal group, form and add the enlarged terminal of reinforceing to act as row's terminal and lower terminal of arranging simultaneously by reinforceing the terminal, thereby greatly increased strengthens the electric current bearing capacity of terminal, improved transmission performance, and the terminal quantity on the butt joint hyoplastron upper and lower surface still can remain unchanged.

Description

Electrical connector

Technical Field

The utility model relates to an electric connection field especially relates to an electric connector.

Background

With the development trend of miniaturization and lightness of consumer electronic products such as notebook computers, tablet computers, mobile phones and the like, the requirements on the design and manufacturing process of parts of the consumer electronic products are higher and higher, and as the products are lighter and thinner, the internal space of the consumer electronic products is very narrow, so that the requirement that the internal parts of the products are required to adopt a dense layout is met, the volume of each electronic part is smaller and thinner, the requirements on the reliability of the manufacturing process and the product connection are higher and higher, and the requirements on the quality of signal transmission are higher and higher. Taking the connector USB 3.0 for transmitting high-speed signals as an example, compared with the traditional USB 2.0 connector, the connector has the advantages of faster transmission rate, lighter and thinner product, and the connector has the characteristic of forward and reverse insertion, the existing USB 3.0 connector is provided with an upper row of terminals and a lower row of terminals which are respectively distributed on the forward and reverse sides of the butt tongue plate, each terminal is thinner, the sectional area of each terminal is smaller, the impedance is larger, the rated current is only 5A generally, and thus certain limitation is caused on the transmission performance.

SUMMERY OF THE UTILITY MODEL

The technical problem solved by the present invention is to provide an electrical connector, which can improve the impedance of the terminal to improve the current transmission capability.

In order to solve the technical problem, the utility model adopts the following technical scheme: an electric connector comprises an insulating body and a terminal group accommodated in the insulating body, wherein the insulating body is provided with a butt-joint tongue plate, the butt-joint tongue plate is provided with an upper surface and a lower surface, the terminal group comprises a plurality of upper rows of terminals distributed on the upper surface of the butt-joint tongue plate, a plurality of lower rows of terminals distributed on the lower surface of the butt-joint tongue plate and strengthening terminals, each strengthening terminal is provided with a contact arm embedded in the butt-joint tongue plate, the upper end of each contact arm is provided with an upper contact surface exposed on the upper surface of the butt-joint tongue plate, and the lower end of each contact arm is.

Further, the contact arm is sheet-shaped and is arranged vertically.

Further, the upper contact surface of the contact arm is arranged in the upper rows of terminals, and the lower contact surface of the contact arm is arranged in the lower rows of terminals.

Furthermore, the number of the reinforced terminals is at least two or more, and the reinforced terminals are distributed in the upper row of terminals and the lower row of terminals at intervals.

Further, the reinforcing terminals include a pair of power reinforcing terminals and a pair of ground reinforcing terminals, the pair of ground reinforcing terminals are respectively located at the outermost sides of the upper and lower rows of terminals, and the pair of power reinforcing terminals are located at the inner sides of the pair of ground reinforcing terminals.

Furthermore, the ground strengthening terminal and the power strengthening terminal are both provided with fixing parts and mounting arms extending backwards from the fixing parts, the fixing parts of the ground strengthening terminal bend and extend towards the left side and the right side of the butt tongue plate, and the fixing parts of the power strengthening terminal extend towards the upper part of the butt tongue plate.

Further, the width of the upper contact surface of the contact arm is the same as the width of the contact surface of the upper row of terminals, and the width of the lower contact surface of the contact arm is the same as the width of the contact surface of the lower row of terminals.

Furthermore, the contact arm is provided with a through hole.

Further, the contact arms have a cross-sectional area greater than the cross-sectional areas of the upper and lower rows of terminals.

Compared with the prior art, the utility model discloses a improve the partial terminal in the terminal group, form and add the enlarged terminal of reinforceing to act as row's terminal and lower terminal of arranging simultaneously by reinforceing the terminal, thereby greatly increased strengthens the electric current bearing capacity of terminal, improved transmission performance, and the terminal quantity on the butt joint hyoplastron upper and lower surface still can remain unchanged.

Drawings

Fig. 1 is an exploded perspective view of the electrical connector of the present invention.

Fig. 2 is an exploded view of the terminal set of the electrical connector of the present invention.

Fig. 3 is a combination view of the terminal set of the electrical connector of the present invention.

Fig. 4 is a schematic cross-sectional view illustrating the terminal sets of the electrical connector of the present invention distributed on the tongue plate.

Detailed Description

Referring to fig. 1 to 4, the present invention provides an electrical connector, which includes an insulating housing 10, a terminal set 20 accommodated in the insulating housing 10, and a metal shell 30 covering the surface of the insulating housing 10. The insulative housing 10 is used for holding the terminal set 20, and the metal shell 30 is used for strengthening the connector between the insulative housing 10 and a circuit board (not shown) and shielding external signals. The respective components are described in detail below.

The insulating body 10 is provided with a base 11 and a tongue plate 12 protruding forward from the base 11, the base 11 is provided with a top surface 110, a pair of arc-shaped side surfaces 111 and a rear end surface 112, wherein the top surface 110 is provided with a pair of fastening portions 13 recessed downward for fastening and matching with the metal shell 30, and the fastening portions 13 are recessed from the top surface 110 of the base 11 and simultaneously penetrate through the rear end surface 112 of the base 11 so as to be exposed on the rear end surface 112. The thickness of the tongue plate 12 is thinner than that of the base 11, and the tongue plate 12 has an upper surface 120 and a lower surface 121 for receiving the terminal set 20, respectively, and recesses 14 are formed on both sides of the tongue plate 12, metal members 15 are disposed in the recesses 14, and the metal members 15 are partially embedded in the tongue plate 12 and partially exposed in the recesses 14.

As shown in fig. 3 and 4, the terminal group 20 includes an upper row of terminals 21, a lower row of terminals 22, and a reinforcing terminal 23, where the upper row of terminals 21 is distributed on an upper surface 120 of the tongue plate 12 and is partially embedded in the tongue plate 12 for fixation, and the lower row of terminals 22 is distributed on a lower surface 121 of the tongue plate 12 and is partially embedded in the tongue plate 12 for fixation. The reinforced terminal 23 is provided with a fixing portion 230, a contact arm 231 extending forward from the fixing portion 230, and an installation arm 232 extending backward from the fixing portion 230, wherein the fixing portion 230 is clamped in the insulating body 10 to be fixed, the contact arm 231 extends horizontally and forward and is embedded in the tongue plate 12, the installation arm 232 extends backward from the insulating body 10 to be electrically connected with a circuit board (not shown), the contact arm 231 of the reinforced terminal 23 is in a sheet shape and is vertically arranged, an upper contact surface 2310 exposed on the upper surface 120 of the tongue plate 12 is arranged at the upper end of the contact arm 231, a lower contact surface 2311 exposed on the lower surface 121 of the tongue plate 12 is arranged at the lower end of the contact arm 231, and a middle portion 2312 between the upper end and the lower end is completely embedded in the tongue plate 12, that is, the upper end and the lower end of a single contact arm 231 are exposed on the upper surface 120 and the lower surface 121 of the tongue plate 12 at the same time, the upper contact surface 2310 is arranged in the upper row of terminals 21 and corresponds to one of the upper row of terminals 21, and the lower contact surface 2311 is arranged in the lower row of terminals 22 and corresponds to one of the lower row of terminals 22. With this arrangement, one reinforced terminal 23 can serve as both an upper row terminal 21 and a lower row terminal 22, and since the reinforced terminal 23 is thicker than the upper row terminal 21 or the lower row terminal 22, the cross-sectional area thereof is greatly increased compared with the cross-sectional area of the upper row terminal 21 and the lower row terminal 22, so that the impedance can be greatly reduced, and the reinforced terminal 23 can bear a larger rated current.

In the preferred embodiment of the present invention, the number of the reinforced terminals 23 is at least two or more, and the reinforced terminals 23 are distributed in the upper row of terminals 21 and the lower row of terminals 22 at intervals, and the reinforced terminals 23 can also be divided into a power reinforced terminal 23P and a ground reinforced terminal 23G, for example, the two reinforced terminals 23 located at the outermost sides of the upper and lower rows of

terminals

21 and 22 are ground reinforced terminals 23G, and the two reinforced terminals 23 located in the upper and lower rows of terminals 22 are power reinforced terminals 23P, as shown in fig. 3, the fixing portion 230 of the ground reinforced terminal 23G bends and extends toward the left and right sides of the docking tongue plate 12, and the fixing portion 230 of the power reinforced terminal 23P extends toward the upper side of the docking tongue plate 12. In both the power reinforcing terminal 23P and the ground reinforcing terminal 23G, the width of the upper contact surface 2310 is the same as the width of the contact surface 210 of the upper row terminal 21, the width of the lower contact surface 2311 is the same as the width of the contact surface of the lower row terminal 22, and the contact arms 231 of both the terminals are provided with through holes 2313.

To sum up, the utility model discloses a improve some terminals in the terminal group 20, form the reinforced terminal 23 that adds the thick and enlarge to act as row's terminal 21 and lower row of terminal 22 on the reinforced terminal 23 simultaneously, thereby greatly increased reinforced terminal 23's current carrying capacity, improved transmission performance, and the terminal quantity on the upper and lower surface of butt joint hyoplastron 12 still can keep unchanged.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and those skilled in the art can make many variations and modifications of the technical solution of the present invention without departing from the scope of the technical solution of the present invention.

Claims

1. An electric connector comprises an insulating body and a terminal group contained in the insulating body, wherein the insulating body is provided with a butt joint tongue plate, the butt joint tongue plate is provided with an upper surface and a lower surface, the terminal group comprises a plurality of upper row terminals distributed on the upper surface of the butt joint tongue plate, a plurality of lower row terminals distributed on the lower surface of the butt joint tongue plate and reinforced terminals, and the electric connector is characterized in that: the strengthening terminal is provided with a contact arm embedded in the butt tongue plate, the upper end of the contact arm is provided with an upper contact surface exposed on the upper surface of the butt tongue plate, and the lower end of the contact arm is provided with a lower contact surface exposed on the lower surface of the butt tongue plate.

2. The electrical connector of claim 1, wherein: the contact arm is sheet-shaped and is vertically arranged.

3. The electrical connector of claim 2, wherein: the upper contact surface of the contact arm is arranged in the upper rows of terminals, and the lower contact surface of the contact arm is arranged in the lower rows of terminals.

4. The electrical connector of claim 3, wherein: the number of the reinforced terminals is at least two or more, and the reinforced terminals are distributed in the upper row of terminals and the lower row of terminals at intervals.

5. The electrical connector of claim 4, wherein: the reinforcing terminals comprise a pair of power reinforcing terminals and a pair of ground reinforcing terminals, the pair of ground reinforcing terminals are respectively positioned at the outermost sides of the upper row of terminals and the lower row of terminals, and the pair of power reinforcing terminals are positioned at the inner sides of the pair of ground reinforcing terminals.

6. The electrical connector of claim 5, wherein: the grounding strengthening terminal and the power strengthening terminal are respectively provided with a fixing part and a mounting arm extending backwards from the fixing part, the fixing parts of the grounding strengthening terminal bend and extend towards the left side and the right side of the butt tongue plate, and the fixing parts of the power strengthening terminal extend towards the upper part of the butt tongue plate.

7. The electrical connector of claim 6, wherein: the width of the upper contact surface of the contact arm is the same as the width of the contact surface of the upper row of terminals, and the width of the lower contact surface of the contact arm is the same as the width of the contact surface of the lower row of terminals.

8. The electrical connector of claim 1, wherein: and the contact arm is provided with a through hole.

9. The electrical connector of claim 1, wherein: the contact arms have a cross-sectional area greater than the cross-sectional areas of the upper and lower rows of terminals.