CN218997147U - Electric connector - Google Patents

Abstract

The utility model discloses an electric connector, which comprises an insulating body, a metal shell coating the insulating body and a plurality of conductive terminals, wherein the insulating body is provided with a base body and a tongue plate extending forwards from the base body, and the plurality of conductive terminals are distributed on the upper surface and the lower surface of the tongue plate. The plurality of conductive terminals comprise two upper side power terminals positioned on the upper surface of the tongue plate and two lower side power terminals positioned on the lower surface of the tongue plate, and each power terminal is provided with a head part, a tail part and a connecting part for connecting the head part and the tail part. The connecting parts of the two upper side power terminals or the two lower side power terminals are integrally connected with one connecting plate to form a power terminal module, and the connecting parts of the other two power terminals are in contact conduction with the connecting plate. The four power terminals of the electric connector expand the width through the connecting plate, so that the temperature rise of the power terminals can be reduced, and the current conducting capacity can be improved.

Description

electrical connector

technical field

The utility model relates to an electric connector.

Background technique

Nowadays, electronic devices are connected to electronic computers through a variety of electrical connectors to perform data transmission. Universal Serial Bus (USB) electrical connectors with high transmission speed are widely used. The USB Type-C designed based on the USB3.1 specification has a slimmer design, faster transmission speed and stronger power transmission, and supports double-sided insertion. In the specification of the standard USB Type-C electrical connector, the electrical connector has a total of 24 terminals, which are divided into upper row terminals and lower row terminals. The upper row terminals and the lower row terminals are arranged symmetrically on the upper and lower sides of the shielding plate to Meets the requirement to allow bi-directional plugging and unplugging. However, because a large number of terminals are accommodated in a limited space, the existing conventional USB electrical connectors can withstand relatively small currents. As consumers use electronic products for longer periods of time, their requirements for charging rates are also getting higher and higher. When it is used in a high-current circuit, there is a risk of short circuit, and the internal impedance has certain restrictions on the transmission of high current. If a large current is transmitted, it is not easy to dissipate heat.

Therefore, it is necessary to provide a new electrical connector to overcome the above defects.

Utility model content

The utility model provides an electric connector, the power terminal of which has better current conduction ability.

Specifically, the utility model is achieved through the following technical solutions: an electrical connector, including an insulating body, a metal shell covering the insulating body, and a plurality of conductive terminals, the insulating body is provided with a base body and from the base body The tongue plate extending forward, a number of the conductive terminals are distributed on the upper surface and the lower surface of the tongue plate, and some of the conductive terminals include two upper power terminals located on the upper surface of the tongue plate and two upper power terminals located on the tongue plate. Two lower power terminals on the lower surface, each power terminal is provided with a head, a tail and a connecting part connecting the head and the tail, the two upper power terminals or the two lower power terminals The connecting portion of the side power terminal is integrally connected with a connecting plate to form a power terminal module, and the connecting portions of the other two power terminals are in contact with the connecting plate.

In a preferred embodiment, the connection portions of the two lower power supply terminals are integrally connected to the connection plate.

In a preferred embodiment, the connection portions of the two upper power supply terminals are in contact with the connection plate.

In a preferred embodiment, the power terminal module is stamped and formed from a sheet metal.

In a preferred embodiment, the connecting plate is hollowed out.

In a preferred embodiment, it further includes two shielding pieces respectively embedded at the two corners of the front side of the tongue plate, the connecting plate is located between the two shielding pieces, and the thickness of the connecting plate is the same as The shielding sheets have the same thickness.

In a preferred embodiment, the electrical connector is a USB Type C electrical connector.

Compared with the prior art, the utility model has the following beneficial effects: the four power terminals of the electrical connector of the utility model are conducted with the connecting plate, which can reduce the temperature rise of the power terminals and improve the current conduction capacity.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present invention.

Description of drawings

FIG. 1 is a three-dimensional assembled view of an electrical connector in a preferred embodiment of the present invention.

FIG. 2 is a three-dimensional assembly view from another angle of the electrical connector in a preferred embodiment of the present invention.

Fig. 3 is a cross-sectional view along line A-A of the electrical connector in Fig. 1, wherein the metal shell is removed.

FIG. 4 is a three-dimensional exploded view of the conductive terminal and the shielding sheet shown in FIG. 1 .

FIG. 5 is an exploded perspective view of several conductive terminals in FIG. 4 .

FIG. 6 is a three-dimensional exploded view of a power terminal module and an upper power terminal among the plurality of conductive terminals in FIG. 5 .

Explanation of reference signs:

Insulation body 1, base body 11, tongue plate 12, metal shell 2, receiving cavity 21, conductive terminal 3, ground terminal 31, differential signal terminal pair 32, power terminal 33, head 301, tail 302, connecting portion 303, upper side The power terminal 33A, the lower power terminal 33B, the connecting plate 33C, the shielding sheet 4 , and the ground pin 41 .

Detailed ways

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the present invention. Rather, they are merely examples of devices, systems, devices, and methods consistent with aspects of the present disclosure.

Referring to Figure 1 and Figure 2, the electrical connector in the preferred embodiment of the present invention is a USB type C electrical connector, which conforms to the USB 3.0 communication protocol. The electrical connector includes an insulating body 1, a metal shell 2, a number of conductive terminals 3 and two shielding sheets 4. The insulating body 1 is provided with a base 11 and a tongue plate 12 extending horizontally forward from the base 11. The metal shell 2 covers the insulating body. 1 and form a receiving cavity 21 surrounding the tongue plate 12, the receiving cavity 21 can accommodate a docking electrical connector (not shown). A total of 24 conductive terminals 3 are arranged, which are divided into upper and lower rows, and are arranged on the upper and lower surfaces of the tongue plate 12 in a manner of extending forward and backward; The surface soldering method is soldered on a printed circuit board (not shown).

As shown in Figure 3 and Figure 4, Figure 3 is a cross-sectional view of the tongue plate 12 of the electrical connector, the metal shell 2 is not shown in Figure 3 for the convenience of observation, and Figure 4 is a three-dimensional exploded view of the conductive terminal 3 and the shielding sheet 4 . A number of conductive terminals 3 are arranged in upper and lower rows in a one-to-one manner, wherein the upper row of conductive terminals 3 includes ground terminals 31, differential signal terminal pairs 32, power supply terminals 33, and two consecutive sets of differential signal terminals from left to right. Pair 32, power supply terminal 33, differential signal terminal pair 32 and grounding terminal 31, a total of 12 terminals; the arrangement of the conductive terminals 3 in the lower row is exactly the same as that in the upper row. The conductive terminal 3 includes a head 301, a tail 302, and a connection portion 303 connecting the head 301 and the tail 302. The head 301 is embedded in the tongue plate 12, and the tail 302 extends out of the insulating body 1 for welding the plate, and the connection portion 303 is partially embedded. Tongue plate. The upper surface of the connecting portion 303 of the upper row of conductive terminals 3 is exposed on the upper surface of the tongue plate 12, and the lower surface of the connecting portion 303 of the lower row of conductive terminals 3 is exposed on the lower surface of the tongue plate 12, so as to connect with the electrical connector (not shown) electrical connection. The two shielding pieces 4 have the same structure, they are respectively embedded in the two corners of the front side of the tongue plate 12, and are located between the upper conductive terminal 3 and the lower conductive terminal 3, and the end of the shielding piece 4 is provided with a grounding pin 41, play a shielding role. Several conductive terminals 3 and the shielding sheet 4 can be embedded in the tongue plate 12 when the tongue plate 12 is injection molded.

As shown in FIG. 5 , the four power terminals 33 in the conductive terminals 3 of the electrical connector of the present invention can be divided into two upper power terminals 33A located on the upper surface of the tongue plate 12 and two lower power terminals 33A located on the lower surface of the tongue plate 12 . side power terminal 33B. The two lower power terminals 33B are integrally connected with one connecting plate 33C, and the three together form a power terminal module. The two upper power supply terminals 33A are in contact with the connecting plate 33C. The width of the power terminal 33 is expanded by the connecting plate 33C, which can reduce the temperature rise of the power terminal 33 and improve the ability of current conduction. As a simple alternative, the two upper power terminals 33A and the connecting plate 33C may also be integrally connected to form a power terminal module. The two lower power supply terminals 33B are in contact with the connecting plate 33C.

The power terminal module is formed by punching a sheet metal, and the top sides of the connecting portions 303 of the two lower power terminals 33B are connected to the two side edges of the lower surface of the connecting plate 33C. The front-back length of the connecting plate 33C is shorter than that of the connecting portion 303 , that is, the connecting plate 33C is only connected to the front half of the connecting portion 303 of the lower power terminal 33B near the head 301 .

In this embodiment, the connecting plate 33C is a solid body. It can be understood that it is also possible to adopt a partially hollowed out structure, which can better hold the tongue plate 12 . In this embodiment, the connecting plate 33C is roughly rectangular, and it can be understood that other shapes can also be adopted. The lower power terminal 33B has its own head 301 and tail 302, except that its connection part 303 is connected to the connection board 33C, which is the same as the conventional USB Type C, and can continue to use the standard USB Type C plug interface interface and be used for soldering. The layout of the conductive pads on the printed circuit board of USB Type C.

3, the thickness of the connection plate 33C is smaller than the assembly gap between the upper row of terminals 3 and the lower row of terminals 3, which does not affect the assembly of other terminals 3 between the two upper power supply terminals 33A, nor does it affect the two Assembly of other terminals 3 between the lower power supply terminals 33B. In this embodiment, the connecting plate 33C is located between the two shielding sheets 4 , the thickness of the connecting plate 33C is the same as that of the shielding sheets 4 , and it is horizontally aligned.

The above is only a preferred embodiment of the utility model, and is not intended to limit the utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the utility model shall be included in this utility model. within the scope of utility model protection.

Claims (7)

1. The utility model provides an electric connector, includes insulator, cladding insulator's metal casing and a plurality of conductive terminal, insulator is equipped with the base member and from the base member extends forward the hyoid, and a plurality of conductive terminal distributes the upper surface and the lower surface of hyoid, a plurality of conductive terminal is including being located two upside power supply terminal of hyoid upper surface and being located two downside power supply terminal of hyoid lower surface, its characterized in that: each conductive terminal is provided with a head part, a tail part and a connecting part for connecting the head part and the tail part, wherein the connecting parts of the two upper side power terminals or the two lower side power terminals are integrally connected with a connecting plate to form a power terminal module, and the connecting parts of the other two power terminals are in contact conduction with the connecting plate.

2. The electrical connector of claim 1, wherein: the connecting parts of the two lower power terminals are integrally connected with the connecting plate.

3. The electrical connector of claim 1, wherein: the connecting parts of the two upper power terminals are in contact with the connecting plate in a fitting manner.

4. The electrical connector of claim 1, wherein: the power terminal module is formed by stamping a metal plate.

5. The electrical connector of claim 2, wherein: the connecting plate is hollow.

6. The electrical connector of claim 2, wherein: the shielding plate is characterized by further comprising two shielding plates which are respectively embedded at two corners of the front side of the tongue plate, wherein the connecting plate is positioned between the two shielding plates, and the thickness of the connecting plate is the same as that of the shielding plates.

7. The electrical connector of claim 1, wherein: the electrical connector is a USB Type C electrical connector.

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