CN2277118Y - electrical connector - Google Patents

Abstract

An electrical connector includes a shielding shell, an insulating body, a plurality of terminals, a terminal alignment device and a collection tube. The shielding shell and the insulating body are used for cable connector insertion. The insulating body is provided with an end portion capable of clamping a cable line and a mating portion combined with the protrusion of the terminal alignment device; the terminal alignment device is provided with a guide groove capable of guiding and aligning the cable line; the shielding shell has a claw that can be quickly clamped with a clamping hole of the collection tube to clamp the insulating body and the terminal alignment device therebetween. The electrical connector has strong versatility, is easy to assemble, has reliable connection, is low in cost and saves work time.

Description

electrical connector

The utility model relates to an electric connector, in particular to an electric connector which is simple to assemble and can save man-hours and manufacturing costs.

Generally, the host computer needs to connect various peripheral devices such as keyboards and printers with different types of I/O connectors (such as D-SUB connectors and MINIDIN connectors). Therefore, the cable connectors of the host computer are many and messy. It is also easy to confuse when pulling. Therefore, a universal serial bus (UNIVERSAL SERIAL BUS-USB) electrical connector came into being. It can not only replace most of the I/O connectors for peripheral equipment, but also unify the I/O connector type, and make the computer The mainframe and various peripheral devices can be connected in series, and each peripheral device is no longer radially connected to the mainframe of the computer. row, the computer host only needs to connect the keyboard, and then connect the keyboard to the printer. If you need to further connect other peripheral devices, then connect it to the printer. In order to enable the universal serial bus electrical connectors designed by various manufacturers to be connected to each other, there are standard specifications for the number of electrical connector terminals, terminal polarity, and electrical connector joint dimensions. Even so, in order to meet the needs of its efficacy, each manufacturer has mostly different designs, such as Taiwan Patent Application Nos. and the contents disclosed in No. 5,267,882. In addition, some existing designs of combining cable joints and cables can be found in US Pat. Nos. 4,475,786, 4,668,039, 4,681,382 and 4,897,041.

However, the structure of the aforementioned existing electrical connector has the following problems:

(1) Poor assembly of electrical connector components - most of the existing electrical connector components are complex in design, their assembly procedures are cumbersome, and the assembly time is very long.

(2) Poor versatility of the structure of electrical connector components There are very few components that can be shared between existing electrical connectors and docking electrical connectors, so that it is often necessary to make molds and fixtures to manufacture different components, and the manufacturing cost remains high.

The purpose of the utility model is to provide an electrical connector, the insulating body and the shielding shell of the electrical connector are universal, and no mold and fixture need to be made separately.

Another object of the present invention is to provide an electrical connector, the concave structure of the insulating body of the electrical connector can not only fix the cable, but also fix a vertical leg type terminal.

Another object of the present invention is to provide an electrical connector, the insulating body of which can be quickly and firmly combined with the terminal aligning device.

Another object of the present invention is to provide an electrical connector, the shielding shell of which is engaged with the hub tube binding the cables by means of claws, and the aforesaid insulating body and terminal aligning device are clamped therebetween.

The purpose of this utility model is achieved by providing an electrical connector connected with cables, which includes: a shielding shell, which is surrounded by a plurality of walls to accommodate a space, and at least one of its walls is provided with a holding device ; an insulating body, which is installed in the accommodation space of the shielding shell, and the insulating body is provided with a plurality of terminal slots; a plurality of terminals are respectively inserted in the opposite terminal slots of the insulating body , which is provided with a leg electrically connected to the cable; a collection tube, one end of which bundles the cable, and the other opposite end is provided with a holding device for the shielding shell, so that the collection The tube and the shielding shell firmly sandwich the insulating body in the clamping hole therebetween.

The advantage of the device of the utility model is that, due to the reduction of components, it is easy to assemble and can save man-hours; in addition, its insulating body can be quickly and firmly combined with its terminal alignment device, and the insulating body and shielding shell of the electrical connector have versatility , no need to make another mold and fixture, which reduces the cost.

Below in conjunction with accompanying drawing, describe embodiment of the present utility model, wherein:

Figure 1 is a three-dimensional exploded view of the electrical connector of the present invention;

Fig. 2 is a rear perspective view of the insulating body in Fig. 1;

Fig. 3 is a three-dimensional exploded view of the electrical connector of the present invention, the insulating body of which has been equipped with terminals;

Fig. 4 is a perspective view of combining the insulating body of the electrical connector in Fig. 3 with the terminal alignment auxiliary device;

Fig. 5 is a perspective view of the combination of the insulating body and the shielding shell of the electrical connector in Fig. 4;

Fig. 6 is a perspective view of the electrical connector in Fig. 5 being loaded into the hub;

Fig. 7 is a front perspective view of the electrical connector in Fig. 6;

Fig. 8 is a perspective view of an insulating outer layer covering the electrical connector in Fig. 7;

Fig. 9 is a perspective view of a vertical leg type terminal structure;

Fig. 10 is a perspective view of an electrical connector assembled with another type of terminals.

Please refer to FIG. 1, which is an exploded view of the assembly of the electrical connector of the present invention, which shows a shielding shell 100 surrounded by a plurality of walls to accommodate a space 120, wherein the rear left and right side walls of the shielding shell 100 A pair of claws 140 are formed.

Figure 1 also shows the insulating body 200 of the electrical connector of the present invention, which includes: a main body 210 and a flat plate 220 extending horizontally from the front of the main body 210, wherein the upper surface of the flat plate 220 is provided with multiple The terminal receiving groove 222 and the narrow channel 224 (see FIG. 2 ) therein, and the terminal receiving groove 222 runs through the main body 210 in the front-rear direction. The rear view of the insulating body 200 shown in FIG. 2 shows a pair of end portions 218 extending horizontally from the upper and lower edges of the rear wall of the main body portion 210 and facing each other, wherein each end portion 218 is a A tooth-shaped structure, which includes concave structures 2181 and convex structures 2183 alternately arranged on the upper and lower wall edges, wherein the convex structures 2183 can partially shield the mating space 240 of the electrical connector. The aforementioned concave structure 2181 on the lower wall is as shown in FIG. 3 . In addition to being able to place a vertical leg type terminal (as shown in FIG. 9 ), it can also allow the ends 218 of the upper and lower walls to hold a terminal at the same time. The two ends of the cable 600 can be pierced by a scissor-shaped leg terminal, so the electrical connector can not only be used as a plug connector, but also as a cable joint; The space 240 (see FIG. 2 ) is located between the above-mentioned upper and lower end portions 218, wherein in the fitting space 240, adjacent to the upper and lower end portions 218, the first fitting portion 232 and the second fitting portion that are concave surfaces are respectively formed. part 234 , and a plurality of terminal holes 213 are formed in the middle of the first matching part 232 and the second matching part 234 , communicating with the aforementioned terminal accommodating groove 222 .

A plurality of branch terminals 300 (as shown in FIG. 1 ), which have: a protruding and bent contact portion 352, which is located at the front end of the aforementioned terminal 300, and can be used for a pair of terminal contact portions of an electrical connector (not shown). shown) for electrical and mechanical contact; the clamping structure 354 is made integrally with the aforementioned contact portion 352, so that the clamping structure 354 is almost located in the middle of the terminal 300, and its structure is extended laterally; the scissors-shaped leg 356 and The above-mentioned clamping structure 354 is made in one piece, and is used to pierce the insulation layer of the cable, so that the terminal 300 is in direct electrical contact with the conductors in the cable.

The front upper and lower edges of the terminal alignment device 460 shown in FIG. part 466 and the second protruding part 468, and vertically penetrate through the first protruding part 466 and the second protruding part 468, and a pair of positive holes 461 are provided at the bottom of the first guide groove to pass through the terminal alignment device 460 in order to position the scissor legs 356 of the aforementioned terminal 300 .

As shown in Figure 4, the hub 570 has a hollow hub 575 in front of it, and its diameter is smaller towards the rear, and it is reduced to a bundle of wires 580 at the rear, which can connect multiple cables (not shown) shown) bound into bundles. In addition, the left and right side walls inside the aforementioned wire collecting cover 575 are respectively provided with locking holes 577 penetrating through the wire collecting cover 575 .

As shown in FIG. 3 , when the aforementioned electrical connector components are combined, each terminal 300 is inserted into the opposite terminal hole 213 of the insulating body 200 , and is fixed in the narrow channel of the terminal cavity 222 by the clamping structure 354 on the terminal 300 . 224, only the scissor-shaped legs 356 are exposed outside the insulating body 200; at this time, although the cables 600 temporarily clamped by the upper and lower ends 218 of the insulating body 200 are vertically opposite to the relevant scissor-shaped legs 356, they have not yet It is pierced by the scissor structure at the front end of the scissor leg 356. Thereafter, the first protrusion 466 and the second protrusion 468 of the terminal alignment device 460 are used to tightly fit the first matching portion 232 and the second matching portion 234 at the rear of the insulating body 200, so that the terminal alignment device 460 Quickly and firmly fit into the matching space 240 of the insulating body 200, and make each clamped cable 600 (not shown) be accommodated and positioned by the guide groove 462 of the terminal alignment device 460; at the same time, Due to the pressing of the terminal aligning device 460 to the mating space 240, the outer layer of the aforementioned cable 600 can be further clamped and pierced by the scissor-shaped structure of the scissor-shaped leg 356, so that the leg 356 of the terminal 300 can be directly extended into the terminal In the alignment hole 461 of the alignment device 460, the result is just as shown in FIG. 4 . It should be noted that when the outer layer of the aforementioned cable 600 is pierced, the scissor leg 356 of the terminal 300 can directly electrically contact with the conductor (not shown) inside the cable 600 .

Then put the insulating body 200 into the accommodation space 120 of the shielding case 100, so that the insulating body 200 and the shielding case 100 are combined into one, as shown in FIG. 575 is aligned to the rear of the insulating body 200 (that is, it is installed at the terminal alignment device 460), and the pair of claws 140 on the shielding shell 100 are used to engage with the pair of clamping holes 577 inside the wire collection cover 575, so that the As shown in FIG. 6 and FIG. 7 , the wire cover 575 is covered and fixed on the rear of the shielding case 100 , and the fixing between the insulating body 200 and the terminal aligning device 460 is thus more stable. It should be noted that, before the hub tube 570 is assembled to the electrical connector, the cables 600 have been inserted through the hub cover 575 and the wire harness portion 580 (see FIG. 3 ) and combined. Finally, as shown in FIG. 8 , an insulating outer layer 700 is coated on the outer surface of the electrical connector by using injection molding technology, so as to form an insulating protection around the electrical connector.

Although the assembly process shown in the aforementioned Figures 3, 4, and 5 is aimed at the cable connector, the terminal part is replaced, and another terminal structure 300 "that can be soldered to the circuit board is inserted, that is, the terminal part is replaced. , and plug in another terminal structure 300" that can be soldered to the circuit board, it can become another plug connector installed on the circuit board as shown in Figure 10, and the plug connector can also be installed The aforementioned terminal alignment device (not shown) is provided for positioning. Furthermore, although the inserted terminal is the vertical leg type terminal 300' as shown in Figure 9, it can also extend out of the insulating body 200 through the guidance of the guide groove 462 of the aforementioned terminal alignment device 460, and align the circuit board. For accurate positioning welding.

Claims (5)

1, a kind of electric connector is connected with cable, it is characterized in that it comprises: a shield shell, and it centers on a receiving space by a plurality of walls, and its at least one wall is provided with holding unit; One insulating body, it is installed in the receiving space of described shield shell, and establishes a plurality of terminal tanks in the described insulating body; A plurality of terminals are inserted in respectively in the relative terminal tank of described insulating body, which is provided with the leg that is electrically connected with described cable; One line concentration pipe, one end constriction cable, another opposite end is provided with the holding unit of described shield shell and fastens, makes described line concentration pipe and shield shell firmly with described insulating body clamping hole clipping therebetween.

2, electric connector as claimed in claim 1 is characterized in that, described insulating body is provided with the end of clamping cable.

3, electric connector as claimed in claim 2 is characterized in that, described end parts becomes the first end and the second end of clamping cable respectively.

4, electric connector as claimed in claim 1 is characterized in that, aforementioned terminal leg and cable are weldingly connected.

5, electric connector as claimed in claim 1 is characterized in that, it also is provided with the terminal aligning device of a pair of described terminal and cable location.

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