CN204885547U - One-piece electrical connector - Google Patents

Abstract

The utility model relates to the technical field of electrical connectors, and in particular to an integrated electrical connector, which has a first terminal module, an intermediate shielding sheet module, a second terminal module and a shell, wherein the first terminal module, the intermediate shielding sheet module and the second terminal module are each manufactured by an embedded molding process and then assembled together by an embedded method, and then the first terminal module, the intermediate shielding sheet module and the second terminal module are wrapped into a whole by the shell. The utility model is not only convenient to manufacture, but also has compact and stable connections between components, and can effectively fix different terminals, so that the upper and lower rows of terminals in the connector are well positioned and flat, and the intermediate shielding sheet in the middle is evenly separated, and the intermediate shielding sheet does not need to open too many process holes, so as to maintain the integrity of the board, and the shielding effect is more significant, reducing electromagnetic interference and improving the efficiency of transmitting high-frequency signals.

Description

One-piece electrical connector

technical field

The utility model relates to the technical field of electrical connectors, in particular to a connector base structure with multiple rows of terminals.

Background technique

There is an electrical connector for transmitting high-frequency signals, which includes an insulating body. There are two rows of terminals on the top and bottom of the insulating body. There are many terminals in each row, and the terminals are elongated. part and the welding part formed by bending and extending downward from the contact part, and an intermediate shielding piece is provided between the upper and lower rows of terminals to shield the electromagnetic interference of the two rows of terminals. In order to ensure the thinning of the electrical connector, the thickness of the insulating body of this type of electrical connector is usually small, and all terminals can only be densely arranged in the insulating body, which requires high structural design of the connector. There are defects in the structure that the upper and lower rows of terminals are uneven, which affects the use of plugging and unplugging, and the electromagnetic interference of the two rows of terminals is relatively large, which is not conducive to the transmission of high-frequency signals.

Contents of the invention

The purpose of the utility model is to overcome the defects of the prior art and provide an integrated electrical connector with a compact and reasonable structure, and the upper and lower rows of terminals inside are well positioned and flat, and effectively reduce electromagnetic interference and improve the efficiency of transmitting high-frequency signals. effect.

In order to achieve the above object, the utility model adopts the following technical solutions:

Integral electrical connectors having at least:

A first terminal module, the first terminal module includes a first insulating block and a first terminal integrally formed with the first insulating block, the rear end of the first insulating block has an outer boss, and the front end of the first insulating block has a The forward-extending glue position, the contact portion of the first terminal is embedded in the forward-extending glue position;

An intermediate shielding sheet module, the intermediate shielding sheet module includes an intermediate insulating block and an intermediate shielding sheet integrally formed by the intermediate insulating block, the intermediate insulating block is fixedly connected with the first insulating block, and the rear end of the intermediate insulating block has The card table, which forms a stop clamping connection with the outer boss at the rear end of the first insulating block; and the front end of the intermediate insulating block has a folded buckle part, and the folded buckle part holds and fixes the forward glue of the first insulating block bit front end;

A second terminal module, the second terminal module includes a second insulating block and a second terminal integrally formed with the second insulating block, the second insulating block is assembled on the intermediate insulating block, the contact portion of the second terminal is connected to the The contact part of the first terminal is placed on the upper and lower sides of the intermediate shielding sheet module;

A shell, which wraps the first terminal module, the intermediate shield module and the second terminal module as a whole, and forms a socket so that the contact part of the first terminal and the contact part of the second terminal can be inserted into the socket The public seat is electrically connected.

In the above solution, the intermediate shielding sheet is flatly attached to the lower side of the forward-extending glue position of the first insulating block, and the length of the intermediate shielding sheet extending forward is greater than the length of the contact portion of the first terminal extending forward.

In the above solution, the contact parts of the first terminals are arranged in a row and fixed on the forward glue position at the front end of the first insulating block, and the first terminals include high-speed terminals and non-high-speed terminals.

The above scheme further includes that the contact parts of the second terminals are arranged in a row, and are flatly attached to the lower side of the front end of the intermediate insulating block, and the side of the second insulating block has embedding wings, and the embedding wings Correspondingly embedded in the embedding groove of the middle insulation block.

The above scheme is further characterized in that the combination of the first terminal module, the intermediate shielding sheet module and the second terminal module forms a converging glue position stacked up and down, and the converging glue position is covered with upper and lower shielding piece.

Compared with the prior art, the utility model combines the first terminal module, the intermediate shield module and the second terminal module, which not only facilitates the manufacture, but also makes the connection between the parts compact and stable, and can effectively fix different terminals. The upper and lower rows of terminals in the connector are well positioned and flat, and the middle shielding sheet is flat and separated. The middle shielding sheet does not need to open too many process holes, maintains the integrity of the board, and the shielding effect is more significant, reducing electromagnetic interference and improving transmission. Efficacy of high-frequency signals.

Description of drawings:

Accompanying drawing 1 is the outline structure schematic diagram of the preferred embodiment of the present utility model;

Accompanying drawing 2 is the schematic diagram of structural decomposition of Fig. 1 embodiment;

Accompanying drawing 3 is the partial structure re-decomposition schematic diagram of Fig. 2;

Accompanying drawing 4 is the internal structure sectional view of Fig. 1 embodiment;

Accompanying drawing 5 is the partial structure sectional enlarged view of Fig. 1 embodiment;

Accompanying drawing 6 is a schematic structural diagram of the intermediate shielding sheet of the embodiment in Fig. 1 .

Detailed ways:

The conception, specific structure and technical effects of the present utility model will be further described below in conjunction with the accompanying drawings, so as to fully understand the purpose, characteristics and effects of the present utility model.

Referring to Figures 1 to 6, the utility model relates to an integrated electrical connector, which at least has a first terminal module 1, an intermediate shielding sheet module 2, a second terminal module 3 and a housing 4 , for those who transmit high-frequency signals. The first terminal module 1 includes a first insulating block 11 and a first terminal 12 integrally formed with the first insulating block 11. The rear end of the first insulating block 11 has an outer boss 111, and the front end of the first insulating block 11 has a The forward-extending glue position 112, the contact portion of the first terminal 12 is embedded in the forward-extending glue position 112, the forward-extending glue position 112 supports the contact portion of the first terminal 12, increasing the structure, so that the contact portion of the first terminal 12 Neatly and orderly fixed for subsequent combination. The intermediate shielding sheet module 2 includes an intermediate insulating block 21 and an intermediate insulating sheet 22 integrally formed by the intermediate insulating block. The intermediate insulating block 21 is fixedly connected with the first insulating block 11 as a whole, and is connected by means of forming, buckling, etc.; The rear end of the insulating block 21 has a card platform 211, which forms a stop clamping connection with the outer boss 111 at the rear end of the first insulating block, which effectively prevents the first terminal module 1 from shrinking back when plugged in, and ensures that the first terminal 12 normal plug and play. The front end of the intermediate insulating block 21 has a folded buckle portion 212, which holds and fixes the front end of the protruding rubber position 112 of the first insulating block, and gives the front end a limit, and cooperates with the previous card platform 211 and the outer boss. 111 forms a stop clamping connection, and fixes the first terminal module 1 front and back, so that the connection between components is compact and stable. At the same time, the folded buckle part 212 holds and fixes the front end of the first insulating block. Chips to increase insertion force and electrical connection stability. The second terminal module 3 includes a second insulating block 31 and a second terminal 32 integrally formed with the second insulating block. The second insulating block 31 is assembled on the intermediate insulating block 21. The contact portion of the second terminal 32 is connected to the first insulating block. The contact portion of the terminal 12 is placed on the upper and lower sides of the intermediate shielding sheet module 2 . In this embodiment, the middle shielding sheet 22 is flatly attached to the lower side of the forward glue position 112 of the first insulating block, and the length of the middle shielding sheet 22 extending forward is greater than the length of the contact portion of the first terminal 12 extending forward. The contact parts of the first terminals 12 are arranged in a row and fixed on the forward glue position 112 at the front end of the first insulating block. The first terminals 12 include high-speed terminals and non-high-speed terminals. The contact parts of the second terminals 32 are arranged in a row, and are flatly attached to the lower side of the front end of the intermediate insulating block 21. There are embedding wings 311 on the sides of the second insulating block 31, and the embedding wings 311 are correspondingly embedded. The middle insulating block 21 is embedded in the groove 213 . The shell 4 wraps the first terminal module 1, the intermediate shielding sheet module 2 and the second terminal module 3 as a whole, and forms a socket 41 so that the contact portion of the first terminal 12 and the contact portion of the second terminal 32 are connected The socket is electrically connected with the inserted male socket.

In the utility model, the first insulating block 11 plays a role of holding the first terminal 12, and the front end of the first insulating block 11 has a protruding glue position 112 to support and hold the contact part of the first terminal 12, which can prevent the first The free ends of the terminals 12 are crooked or deflected, and the positive position of the terminals is better, which can reduce the risk of two adjacent first terminals 12 touching each other. The intermediate shielding sheet in the middle is flatly attached to the lower side of the protruding glue position 112 of the first insulating block, relatively parallel to the contact part of the first terminal 12, and reduces the insert molding process of the upper and lower rows of terminals together. The shielding sheet 22 does not need to open too many process holes, maintains the integrity of the board, has a more significant shielding effect, reduces electromagnetic interference, and improves the efficiency of transmitting high-frequency signals.

As shown in Figures 1 and 2, in this embodiment, the first terminal module 1, the intermediate shield module 2 and the second terminal module 3 are combined to form a converging glue position 5 stacked up and down, and in the The converging glue position 5 is covered with an upper and lower shielding sheet 6, and the upper and lower shielding sheets 6 are buckled up and down to form a reinforcement structure, and at the same time, the shielding can be increased. A second shell 7 is also added on the upper and outer sides of the shell 4 to increase the performance of the product. The function of the second shell 7 is a prior art, and will not be repeated here.

Through the combination of the first terminal module 1, the intermediate shielding sheet module 2 and the second terminal module 3, the utility model is not only convenient to manufacture, but also has compact and stable connections between components, and can effectively fix different terminals, making the connector The upper and lower rows of terminals inside are well positioned and flat, while the middle shielding sheet is flat and separated, without the need to open too many process holes, maintaining the integrity of the board, the shielding effect is more significant, reducing electromagnetic interference, and improving the efficiency of high-frequency signal transmission.

Of course, the above accompanying drawings only describe preferred specific embodiments of the present utility model, and for those skilled in the art, it is possible to use logic analysis, reasoning or limited experiments without exceeding the concept and scope of the present utility model. Many improvements and changes can be made to the above-mentioned embodiments, and these improvements and changes should all belong to the protection scope of the present utility model.

Claims (5)

1. Integral electric connector, is characterized in that: this electric connector at least has

One the first terminal module, the first terminal that this first terminal module comprises the first collets and is molded as one with the first collets, first collets rear end has outer lug boss, and the first collets front end has glue position of protracting, and the contact site of the first terminal is embedded at and protracts in glue position;

One intershield sheet module, this intershield sheet module includes the intershield sheet that intermediate insulation block and intermediate insulation formation of lots are integrated, intermediate insulation block and the first collets are fixed with one, the rear end of intermediate insulation block has chuck, and the outer lug boss of this chuck and the first collets rear end forms stop bit clamping; And the front end of intermediate insulation block has inflection bag buckle portion, the front end, glue position of protracting of the first collets is fixed in this inflection bag buckle portion holding;

One second terminal module, the second terminal that this second terminal module comprises the second collets and is molded as one with the second collets, second collets are assembled on intermediate insulation block, and the contact site of the second terminal and the contact site of the first terminal split the upper and lower sides at intershield sheet module;

One shell, is rolled into an entirety, and is formed with socket by the first terminal module, intershield sheet module and the second terminal module, so that the contact site of the contact site of the first terminal and the second terminal is electrically connected with the male seat inserted in this socket.

2. Integral electric connector according to claim 1, is characterized in that: on the downside of the glue position of protracting that described intershield sheet is straight is fitted in the first collets, and the length that the contact site that the length that intershield sheet extends forward is greater than the first terminal protracts.

3. Integral electric connector according to claim 1, is characterized in that: the contact site of described the first terminal be arranged in a row be fixed on the first collets front end protract on glue position, the first terminal comprises high-speed terminal and non-high-speed terminal.

4. Integral electric connector according to claim 1, it is characterized in that: the contact site of described second terminal is arranged in a row, straight by being attached on the downside, front end of intermediate insulation block, the side of the second collets has interlocking alar part, interlocking alar part correspondence embeds in the scarfing slot of intermediate insulation block.

5. Integral electric connector according to claim 1, is characterized in that: described the first terminal module, intershield sheet module and the second terminal module be formed after combining up and down folded establish collect glue position, and collect glue position and be coated with in this and shield sheet up and down.