CN204144553U - electrical connector - Google Patents

Abstract

The utility model discloses an electric connector, it is at least including having a slot for other connectors correspond to insert the insulator of establishing, and set firmly respectively in the slot both sides are a plurality of conductive terminal that positive and negative relative set up to and the cladding constitutes in the external casing that shields of insulator, wherein shield the casing in the inside block portion that bends back in one end front edge, block portion be used for cladding slot front edge border mouth to the fixed card fits in the inboard depressed part that sets up from the border mouth of slot, so be located the slot border mouth of electric connector foremost can obtain a strengthening component in order to promote whole resistant plug performance and extrusion bearing capacity, and slot week side can do the close coupling with shielding the casing, and then maintain the stability of locating a plurality of conductive terminal in slot both sides, in order to ensure that the transmission signal is stable.

Description

electrical connector

technical field

The utility model relates to a universal serial bus connector, in particular to a USB type-C electrical connector.

Background technique

The Universal Serial Bus (USB) connector is one of the commonly used connector types at present. It is formulated by the USB Association (USB Implementer Forum Inc., USB-IF). So far, it has experienced USB1.0, USB2.0 and USB3.0 and other versions of the development process, now has a higher transmission speed USB type-C transmission protocol, USB type-C focuses on the current trend of thin and light product design, the overall shape adopts miniaturization Designed and easy to carry to meet the application requirements of mobile products, and there is no difference between the front and back. In the past, when users wanted to insert into the corresponding slot on the computer, they often had inconvenience because they could not tell the front and back. The situation will no longer happen in the future to make it easier for users to get started.

At present, the universal serial bus connector mainly has a pair of mating slots on the insulating body of plastic material, and a plurality of conductive terminals are arranged in the slots. These conductive terminals are arranged in a flat manner, or in a zig-zag manner, Alternatively, the surface of the insulating body can be arranged by changing the spacing between the terminals, and a metal shell is coated on the outside of the insulating body. The metal shell is set to strengthen the connector structure, and it is not easy to deform when subjected to external force. These structural metal shells are only wrapped around the socket of the insulating body, and under the trend of actively miniaturizing the connector body and maximizing the overall function, components are constantly required to reduce the size of each part, which leads to The size mechanism of each part of the connector is fragile and thin, especially when the miniaturized connector male seat and female seat are docked with each other, there is no protection device for the edge of the insulating body slot with positive force, if the force is applied improperly or the docking angle Deviating, it is easy to cause cracks and damages at the edge of the connector.

Since the Universal Serial Bus connector is a transmission interface between electronic devices, it has to be plugged and pulled out and pressed thousands of times during its service life. If the connector does not have a stable structure and proper protection design, it will greatly reduce the overall performance of the connector. The resistance to plugging and unplugging. After repeated plugging and unplugging, the insulating body and the shell will become loose, fall off and damaged. If the conductive terminals used for signal transmission are arranged around the insulating body, it will seriously affect the stability of the transmission signal. sex. As the circuit layout becomes more and more complex and the functionality is increasing, it is urgent to improve the stability of the product structure and the convenience of use. If there are suitable and practical components, the following positive benefits can be obtained:

1. It can reduce the equipment damage caused by the user's negligence.

2. Simplify the manufacturing process, thereby reducing the manufacturing cost.

Three, it is convenient for consumers to use.

4. Keep the signal stable.

Utility model content

The main purpose of the utility model is to be a connector which can be installed on a circuit board for high-speed signal transmission, and has the advantages of high strength and resistance to plugging and unplugging, so that it can be applied to various electronic devices.

To achieve the above purpose, an electrical connector of the present invention at least includes

The insulating body has an opening-shaped slot, and terminal grooves are arranged on the upper and lower sides of the slot, and the inner side of the slot is provided with a depression lower than the height of the inner surface of the slot from the edge opening;

A plurality of conductive terminals, the plurality of conductive terminals are formed into two groups, and the two groups of conductive terminals are arranged opposite to each other, and are respectively held in the terminal slots on both sides of the slot of the insulating body;

The shielding shell is a hollow ring structure to accommodate the insulating body. The front edge of one end of the shielding shell is bent back into the hollow ring to form an engaging part, and the engaging part is used to cover the slot. edge, and snap into the recessed part inside the slot.

As in the above electrical connector, wherein the dimensions of the plurality of conductive terminals are the same as the dimensions of the terminals of the standard USB Type-C socket electrical connector.

As in the above electrical connector, wherein, the recessed portion is recessed in a full ring along the inner edge of the socket.

As in the above-mentioned electrical connector, wherein, the engaging portion is bent inwards in a full ring shape, so as to be correspondingly engaged with a recessed portion recessed in a full ring shape along the inner edge of the slot.

As in the above-mentioned electrical connector, wherein, the said recessed parts are relatively arranged in front of the terminal slots on both sides of the slot and closer to the edges.

As in the above-mentioned electrical connector, wherein, the above-mentioned engaging parts are respectively bent inwardly from the upper and lower sides of one end of the shielding shell, so as to be correspondingly engaged with the recessed parts in front of the terminal slots on both sides of the slot. .

As in the above electrical connector, wherein the bend is fixed on the surface of the engagement portion of the recessed portion of the socket, and tends to be parallel to the inner surface of the socket at the same height.

Compared with the known technology, the utility model is located at the front end of the connector and is used to connect with other connectors at the front edge of the slot, and extends the shielding shell covered outside the insulating body to the direction of the edge. And bend inwards into the slot to cover the edge of the front edge of the slot, thereby enhancing the connector's resistance to plugging and unplugging, and the side of the slot can be tightly combined with the shielding shell, so it can maintain The stability of multiple conductive terminals on both sides of the slot ensures stable transmission signals.

In order to further understand the features and technical contents of the present utility model, please refer to the following detailed description and accompanying drawings of the present utility model. However, the attached drawings are only for reference and illustration, and are not intended to limit the present utility model.

Description of drawings

The following drawings are only intended to illustrate and explain the utility model schematically, and do not limit the scope of the utility model. in:

Fig. 1 is a three-dimensional exploded view of the first embodiment of the utility model.

Fig. 2 is a combined schematic diagram of the first specific embodiment of the present utility model.

Fig. 3 is a schematic cross-sectional view of the first embodiment of the utility model.

Fig. 4 is a three-dimensional exploded view of the second specific embodiment of the present invention.

Fig. 5 is a combined schematic diagram of the second specific embodiment of the present invention.

Explanation of reference symbols:

1 insulating body

11 slots

12 terminal slot

13 edge mouth

14 depression

2 multiple conductive terminals

3 shielding shell

31 engaging part

Detailed ways

Fig. 1 is the three-dimensional exploded view of the first embodiment of the utility model, and together with reference to other figures, it can be clearly seen from the figure that the utility model is mainly composed of an insulating body 1, a plurality of conductive terminals 2 and a shield The housing 3 is composed of an open slot 11 at one end of the insulating body 1 for corresponding insertion of other connectors. The two side walls of the slot 11 have terminal grooves 12 that can accommodate a plurality of conductive terminals 2. The terminal groove 12 communicates with the slot 11, and the inner side of the slot 11 is provided with a concave portion 14 lower than the inner surface of the slot 11 inwardly from the edge opening 13. The concave portion 14 in this embodiment is along the side edge opening 13 of the slot 11. Concave in a full circle. A plurality of conductive terminals 2 are formed by metal stamping and cutting, and each conductive terminal is in the shape of a vertical sheet to be arranged in two rows. The dimensions of the terminals of the connectors are the same. The shielding shell 3 is a hollow ring-shaped structure made of metal, which can be wrapped around the outer side of the insulating body 1. The front edge of one end of the shielding shell 3 is provided with a buckle bent back into the hollow ring. part 31 , the engaging part in this embodiment is bent inwards in a full ring shape, so as to be correspondingly engaged with the recessed part 14 recessed along the inner edge 13 of the slot 11 in a full ring shape.

When combined, a plurality of conductive terminals 2 are respectively held in the terminal grooves 12 on both sides of the slot 11 of the insulating body 1, and are arranged in opposite directions, and the shielding shell 3 accommodates and covers the insulating body 1 in a hollow ring. , wherein the engaging portion 31 of the shielding shell 3 bent back into the hollow ring just corresponds to the edge 13 covering the front edge of the slot 11 (as shown in FIG. 2 ), and is connected with the slot 11 of the insulating body 1 The recessed part 14 provided inwardly from the edge 13 on the inner side is fixedly engaged, wherein the recessed part 14 is recessed to the insulator body 1 to a depth equal to the thickness of the engaging part 31, so that the said bending is fixed on the recessed part of the slot 11 The surface of the engagement portion 31 of 14 tends to be parallel to the inner surface of the slot 11 at the same height (as shown in FIG. 3 ).

Because the utility model is to cover the shielding shell 3 outside the insulating body 1, bypass the lip 13 and bend back inwardly into the slot 11 to cover the lip 13 of the leading edge of the slot 11, due to the insulation The edge 13 at the front end of the body 1 is protected by the shielding shell 1 made of metal, so it has excellent rigidity and resistance to plugging and unplugging. Improper application of force and compression, or angle deflection during docking, is also less likely to cause cracks and damage, and since the insulating body 1 is not only the shielding shell 3 that is annularly coated on its peripheral side, but also relies on the shielding shell 3 The engaging part 31 provided by the front edge is bent back to cover the front end of the shielding housing 1, so that the plurality of conductive terminals 2 located on both sides of the slot 11 can be more firmly positioned on the insulating body 1 without loosening or falling off. conditions, and thus can achieve close contact between the plurality of conductive terminals 2, so as to ensure stable transmission signals.

Fig. 4 is a three-dimensional exploded view of the second specific embodiment of the present invention. The difference between this embodiment and the first embodiment is that the recesses 14 on the insulating body 1 are respectively arranged on both sides of the inner wall of the slot 11, rather than a full ring. Shaped design, and relatively located in front of the terminal slot 12 closer to the edge 13, the engaging portion 31 on the shielding shell 3 is respectively bent inwardly from the upper and lower sides of one end of the shielding shell 3 (as shown in the figure 5) to correspond to the recesses 14 that are engaged on both sides of the inner wall of the slot 11. The rest of the assembly methods and functions are the same as those of the first embodiment, so they will not be repeated here.

To sum up, the electrical connector of the present utility model extends the shielding shell 3 covering the outside of the insulating body 1 toward the edge 13 on the peripheral side of the slot 11 and bends back inward into the slot 11, The edge 13 of the slot 11 is covered, so the plug-resistant performance of the connector is strengthened, and the peripheral side of the slot 11 can be tightly combined with the shielding shell 3, so it can maintain a plurality of connectors located on both sides of the slot 11. The stability of the conductive terminal 2 is to ensure the stability of the signal transmission of multiple conductive terminals 2. Therefore, it is simpler and more convenient than the known structure in terms of function and assembly. However, it has not been used publicly and is in line with the provisions of the patent law. Now It is really convenient to file a new type patent application in accordance with the law and ask for the grant of a patent.

The above descriptions are only illustrative specific implementations of the present utility model, and are not intended to limit the scope of the present utility model. Any equivalent changes and modifications made by those skilled in the art without departing from the concept and principles of the present invention shall fall within the protection scope of the present invention.

Claims (7)

1. an electric connector, is characterized in that, described electric connector at least comprises:

Insulating body, have an opening-like slot, in slot, terminal groove is established in upper and lower both sides, inwardly arranges the depressed part lower than slot inner surface height inside described slot from edge mouth;

Multiple conducting terminal, described multiple conducting terminal is formed as two groups, and two groups of conducting terminals are positive and negative being oppositely arranged, two side ends pilot trench in the slot being immobilizated in described insulating body respectively;

Shielding casing, for hollow annular structure is to accommodate insulating body, described shielding casing arranges holding section in ring-type one end leading edge to back bending in hollow and annular, and described holding section in order to coated slot edge mouth, and is sticked in the depressed part inside slot.

2. electric connector as claimed in claim 1, is characterized in that, the size of described multiple conducting terminal and the terminal of standard USB Type-C type electric connector for socket measure-alike.

3. electric connector as claimed in claim 1, it is characterized in that, described depressed part is that loopful shape is recessed along slot medial margin mouth.

4. electric connector as claimed in claim 1, is characterized in that, described holding section is that the inside back bending of loopful shape is arranged, and is sticked in along the recessed depressed part of slot medial margin mouth loopful shape with correspondence.

5. electric connector as claimed in claim 1, it is characterized in that, described depressed part is located at closer edge mouth position, two side ends pilot trench front in slot respectively relatively.

6. electric connector as claimed in claim 1, is characterized in that, described holding section respectively by shielding casing one end upper and lower both sides in addition inwardly back bending arrange, be sticked in the depressed part in two side ends pilot trench front in slot with correspondence.

7. electric connector as claimed in claim 1, is characterized in that, the surface, holding section of slot depressed part is fixed in described back bending, is tending towards parallel contour with slot inner surface.