CN203277744U - Structurally Improved Electrical Connector - Google Patents

Abstract

The utility model discloses an electric connector with improved structure, which comprises a first insulator, a second insulator, a long terminal, a short terminal and two welding feet; the long row of terminals and the short row of terminals are both embedded and molded with a second insulator, the first insulator is provided with a containing groove, the front end of the second insulator is inserted into the containing groove, and the two welding feet are respectively and fixedly arranged on two sides of the second insulator; therefore, the long-row terminals and the short-row terminals are embedded and molded with the second insulator, and then the front ends of the second insulators are inserted into the accommodating grooves of the first insulator to be fixed, so that the traditional PIN inserting assembly mode is replaced, the utility model discloses can make the product realize automatic assembly production, simplify the assembly process, promote the production efficiency, and the process is stable, can obtain high-quality SMT welding leg flatness, thereby promoting the benefit and improving the competitiveness of the product; meanwhile, the number of components is reduced, and the development cost is reduced.

Description

Structurally Improved Electrical Connector

technical field

The utility model relates to the technology in the field of electrical connectors, in particular to an electrical connector with improved structure in which multiple rows of plug-in terminals and soldering legs are SMT legs.

Background technique

Today, as production technology is being updated, automated assembly production has become an inevitable direction for the development of the manufacturing industry. Through it, labor costs can be reduced, production defects can be reduced, and benefits can be improved. Knowing the existing card edge connectors, such as SAS, Generally, it is assembled by inserting PIN, and its assembly structure is as follows:

As shown in Figure 1, it includes an insulating body 10', two independent welding feet 20', and several rows of terminals 30'. In the direction of entry, several rows of terminals 30' are inserted into the rear end of the insulating body 10' in sequence during production. After the terminals 30' and the insulating body 10' are assembled into a semi-finished product, two independent welding legs 20' are placed on the insulating body 10. ’ at both ends to form a complete connector.

The structure of the above connector is complicated. When inserting the terminal, it needs to carry out 2-4 operation steps, so it will consume more man-hours. The more insertion steps, the higher the probability of failure, and the product process will also be affected accordingly. Unstable, and multiple parts need to develop multiple sets of molds, thereby increasing development costs.

As mentioned above, the conventional structure is not conducive to automatic production, and is not conducive to improving production efficiency. Therefore, it is necessary to provide a low-cost product structure that can realize automatic assembly and stable manufacturing process to improve efficiency and improve product competitiveness.

Utility model content

In view of this, the utility model aims at the deficiencies in the prior art, and its main purpose is to provide an electrical connector with improved structure, which can effectively solve the problems that the existing electrical connector structure is not conducive to automatic production and improve production efficiency .

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

An electrical connector with an improved structure, including a first insulator, a second insulator, a long row of terminals, a short row of terminals and two welding legs; the long row of terminals and the short row of terminals are embedded with the second insulator, the first An accommodating groove is provided on the insulator, the front end of the second insulator is inserted into the accommodating groove, and the two welding feet are respectively fixed on both sides of the second insulator; the long row of terminals includes a first strip portion and A plurality of first terminals arranged side by side at intervals and integrally connected with the first strip part, each first terminal includes a first contact part, a first holding part and a first welding part connected in sequence, and the first welding part part is connected with the first strip part; the short row of terminals includes a second strip part and a plurality of second terminals arranged side by side at intervals and integrally connected with the second strip part, and each second terminal includes sequentially The second contact part, the second holding part and the second welding part are connected, and the second welding part is connected with the second tape part; the second contact part and the first contact part are both located in the aforesaid accommodating groove, the first The two holding parts and the first holding part are embedded in the second insulator, and the second welding part and the first welding part extend out of the second insulator.

As a preferred solution, the plurality of first terminals are divided into a first group of first terminals and a second group of first terminals, a distance is formed between the first group of first terminals and the second group of first terminals, the A plurality of second terminals are located in the space.

As a preferred solution, the number of first terminals in the first group is greater than the number of first terminals in the second group.

As a preferred solution, the number of first terminals in the first group is an odd number, and the first contact portions of several first terminals in the first group of first terminals are higher than those of other first terminals in the first group. first contact.

As a preferred solution, the number of the plurality of second terminals is an odd number, and the second contact portion of each second terminal is flush with the lower first contact portion of the first group of first terminals.

As a preferred solution, the first tape portion is superimposed on the second tape portion.

As a preferred solution, the first strip part is provided with a plurality of first strip holes, and the second strip part is provided with a plurality of second strip holes, and the plurality of second strip holes and The corresponding holes of the first tape are rearranged.

As a preferred solution, both sides of the second insulator are provided with positioning guide posts, and the positioning guide posts are inserted into the accommodating groove for positioning.

Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be known from the above technical solutions:

Both the long row of terminals and the short row of terminals are inlaid with the second insulator, and then the front end of the second insulator is inserted and fixed in the accommodating groove of the first insulator, which replaces the traditional way of inserting PIN assembly. The new type can realize automatic assembly and production of products, simplify the assembly process, improve production efficiency, and the process is stable, and can obtain high-quality SMT solder leg flatness, thereby improving efficiency and improving product competitiveness; at the same time, it also reduces Composition of components reduces development costs.

In order to illustrate the structural features and functions of the utility model more clearly, the utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

Description of drawings

Figure 1 is an exploded view of a conventional electrical connector;

Fig. 2 is the exploded view of the preferred embodiment of the utility model;

Fig. 3 is an exploded view of another angle of a preferred embodiment of the present utility model;

Fig. 4 is the first partial assembly drawing of the preferred embodiment of the present utility model;

Fig. 5 is the first partial assembly drawing of another angle of the preferred embodiment of the present utility model;

Fig. 6 is the second partial assembly drawing of the preferred embodiment of the present utility model;

Fig. 7 is the second partial assembly drawing of another angle of the preferred embodiment of the present invention;

Fig. 8 is the third partial assembly drawing of the preferred embodiment of the present invention;

Fig. 9 is a schematic perspective view of assembly of a preferred embodiment of the present invention.

Explanation of the accompanying drawings:

10', insulation body 20', solder leg

30', terminal

10. First insulator 11. Accommodating tank

20. Second insulator 21. Positioning guide post

30. Long row terminals 31. The first strip part

311. The first strip hole 32. The first terminal

321. The first contact part 322. The first holding part

323. The first welding part 33. Spacing

40. Short row terminal 41. The second strip part

411. The second strip hole 42. The second terminal

421. The second contact part 422. The second holding part

423. Second welding part 50. Welding leg

A. The first group of first terminals B. The second group of first terminals.

Detailed ways

Please refer to shown in Fig. 2 to Fig. 9, it has shown the specific structure of the preferred embodiment of the present utility model, comprises the first insulator 10, the second insulator 20, long terminal 30, short terminal 40 and two welding Feet 50.

Both the long row of terminals 30 and the short row of terminals 40 are inlaid with the second insulator 20, the first insulator 10 is provided with a receiving groove 11, and the front end of the second insulator 20 is inserted into the receiving groove 11. Two welding legs 50 are fixed on two sides of the second insulator 20 respectively;

Specifically, in this embodiment, the long row of terminals 30 includes a first strip portion 31 and a plurality of first terminals 32 integrally connected with the first strip portion 31, and the plurality of first terminals 32 are arranged side by side. Arranged at intervals, each of the first terminals 32 includes a first contact portion 321 , a first holding portion 322 and a first welding portion 323 connected in sequence, and the first welding portion 323 is connected to the first strip portion 31 .

The short row of terminals 40 includes a second strip portion 41 and a plurality of second terminals 42 integrally connected with the second strip portion 41, the plurality of second terminals 42 are arranged side by side at intervals, and each second terminal 42 Each includes a second contact portion 421, a second holding portion 422, and a second welding portion 423 connected in sequence, and the second welding portion 423 is connected to the second strip portion 41; the second contact portion 421 and the first contact portion 321 are located in the aforesaid accommodating groove 11 , the second holding portion 422 and the first holding portion 322 are embedded in the second insulator 20 , and the second welding portion 423 and the first welding portion 323 extend out of the second insulator 20 .

Moreover, the plurality of first terminals 32 are divided into a first group of first terminals A and a second group of first terminals B, and a distance 33 is formed between the first group of first terminals A and the second group of first terminals B, The plurality of second terminals 42 are located in the interval 33; the number of the first group of first terminals A is greater than the number of the second group of first terminals B, and the number of the first group of first terminals A is an odd number The first group of first terminals A has first contact portions 321 of several first terminals 32 higher than the first contact portions 321 of other first groups of first terminals A; and, the plurality of second terminals 42 The number is an odd number, and the second contact portion 422 of each second terminal 42 is flush with the lower first contact portion 321 of the first group of first terminals A. As shown in FIG.

In addition, the first tape part 31 is superimposed on the second tape part 41, and the first tape part 31 is provided with a plurality of first tape holes 311, and the second tape part 41 is provided with A plurality of second tape holes 411 are arranged in parallel with the corresponding first tape holes 311 .

The assembly process of this embodiment is described in detail as follows:

When assembling, firstly, as shown in Fig. 2 to Fig. 5, the long row of terminals 30 and the short row of terminals 40 are stacked together, specifically, the second strip part 41 is stacked with the first strip part 31, A plurality of second terminals 42 are located in the spacing 33, and the plurality of second strip holes 411 are aligned with the corresponding first strip holes 311; then, as shown in FIGS. 6 and 7 , the long rows of terminals 30 and The short row of terminals 40 is put into the mold and embedded with the second insulator 20 to form a semi-finished product; then, as shown in Figure 8, the front end of the semi-finished product is inserted into the accommodation groove 11 of the first insulator 10 to fix, and each first contact The part 321 and each second contact part 421 extend into the receiving groove 11; finally, as shown in FIG.

The design focus of the present utility model is:

Both the long row of terminals and the short row of terminals are inlaid with the second insulator, and then the front end of the second insulator is inserted and fixed in the accommodating groove of the first insulator, which replaces the traditional way of inserting PIN assembly. The new type can realize automatic assembly and production of products, simplify the assembly process, improve production efficiency, and the process is stable, and can obtain high-quality SMT solder leg flatness, thereby improving efficiency and improving product competitiveness; at the same time, it also reduces Composition of components reduces development costs.

The above are only preferred embodiments of the present utility model, and do not limit the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present utility model , all still belong to the scope of the technical solution of the utility model.

Claims (8)

1. a structure improved electric connector, is characterized in that: include the first insulator, the second insulator, long row terminal, short row's terminal and two legs; This long row's terminal and short row's terminal all with the second insulator produced by insert molding, be provided with storage tank on this first insulator, the front end of this second insulator is inserted in this storage tank, this two leg is fixedly arranged on respectively the both sides of the second insulator; This length row terminal includes the first strip section and interval a plurality of the first terminals of arranging and being connected with the first strip section one side by side, this each the first terminal includes successively the first contact site, the first holding parts and the first weld part that connects, and this first weld part is connected with the first strip section; This short row's terminal includes the second strip section and interval a plurality of the second terminals of arranging and being connected with the second strip section one side by side, this each second terminal includes successively the second contact site, the second holding parts and the second weld part that connects, and this second weld part is connected with the second strip section; This second contact site and the first contact site all are positioned at aforementioned storage tank, and this second holding parts and the first holding parts are embedded in the second insulator, and this second weld part and the first weld part stretch out outside the second insulator.

2. structure improved electric connector according to claim 1, it is characterized in that: described a plurality of the first terminals are divided into first group of the first terminal and second group of the first terminal, be formed with spacing between this first group of the first terminal and second group of the first terminal, these a plurality of second terminals are arranged in spacing.

3. structure improved electric connector according to claim 2, it is characterized in that: the number of described first group of the first terminal is more than the number of second group of the first terminal.

4. structure improved electric connector according to claim 3, it is characterized in that: the number of described first group of the first terminal is odd number, and this first group of the first terminal has the first contact site of several the first terminals higher than the first contact site of other first group of the first terminal.

5. structure improved electric connector according to claim 3, it is characterized in that: the number of described a plurality of the second terminals is odd number, the second contact site of this each the second terminal is all concordant with lower the first contact site of first group of the first terminal.

6. structure improved electric connector according to claim 1 is characterized in that: described the first strip section and the second strip section are superimposed.

7. structure improved electric connector according to claim 6, it is characterized in that: be provided with a plurality of the first strip holes in described the first strip section, be provided with a plurality of the second strip holes in this second strip section, rearrange with corresponding the first strip hole in these a plurality of second strip holes.

8. structure improved electric connector according to claim 1, it is characterized in that: the both sides of described the second insulator are provided with positioning guide column, and this positioning guide column inserts in this storage tank and locates.

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