CN2428873Y - Combined electric connector - Google Patents

Abstract

The combined electrical connector of the utility model is provided with an insulating body, which includes an upper body and a lower body, and a plurality of conductive terminals are accommodated in the terminal receiving grooves provided by the upper body and the lower body; a shielding device is provided on the periphery of the insulating body, which includes The first case for accommodating the upper body of the insulating body, the second case for accommodating the lower body of the insulating body by utilizing the shielding member of the existing Universal Serial Bus connector, and the rear part for covering the insulating body The third housing, the first housing, the second housing and the third housing are combined and integrated with each other, so as to achieve the effects of comprehensive and effective shielding and anti-electromagnetic interference.

Description

Combined electrical connector

The utility model relates to a combined electric connector, in particular to a combined electric connector with good shielding effect.

With the development of computer technology, the configuration of electrical connectors on the circuit board has evolved from the assembly of a single component to a modular design that saves the area occupied by the circuit board. The existing stacked combined electrical connectors only provide covering The outer shielding member on the periphery of the insulating main body cannot separate and shield the multiple docking ports provided inside it, and it is easy to cause telecommunication crosstalk between adjacent ports. In order to improve the aforementioned situation, China Taiwan Patent Application No. 85212192 discloses another type of existing combined electrical connector, which is provided with two sockets up and down, and a locking piece is built between the upper socket and the lower socket, on which There is a pair of pincer wings, and a shielding cover covers the outer periphery of the upper and lower sockets, and the locking part is connected with the shielding cover by means of the pincer wings of the locking part, so as to achieve the effect of integrated internal and external shielding of the combined electrical connector. However, for this existing stacked electrical connector, it is necessary to design a shielding member (i.e., the aforementioned shielding cover and locking piece) that combines the inside and outside, and for the single-layer electrical connector, it is necessary to Another shielding member dedicated to a single connector is designed. In this way, there is a lack of versatility and interchangeability between the components, and corresponding to various electrical connectors of different specifications, it is necessary to provide special components, which increases the manufacturing cost, and the number of components of different specifications is too large, which will also cause storage problems. Inconvenience in management and production management. Moreover, among the above-mentioned existing components, the structure of the pincer wing is small, the contact area is small, and it is easy to break, so that the effect of integrated internal and external shielding is poor. Therefore, this structure cannot ensure the safe and effective shielding effect of the combined electrical connector and has further advantages. The need for improvement.

The purpose of this utility model is to provide a combined electrical connector, and part of the components in the shielding device can use the shielding components of the original single universal serial bus connector, thereby enhancing the interchangeability and reliability of the components of the electrical connector. Versatility, save manufacturing cost and facilitate warehouse management and production management.

The purpose of this utility model is achieved in this way: the combined electrical connector mainly includes an insulating body, a number of conductive terminals and a shielding device, wherein the insulating body includes an upper body and a lower body, and a number of front and rear holes are also arranged on the insulating body. In the terminal channel, a plurality of conductive terminals are correspondingly arranged in the terminal channel of the aforementioned insulating body to transmit electronic signals. The shielding device includes a first housing, a second housing and a third housing, and is characterized in that: the first housing covers The upper body of the insulating body; the second shell is generally in the shape of a rectangular frame, covering the lower body of the insulating body; the third shell covers the rear part of the insulating body and is connected with the first shell and the second shell combined with each other.

Among the above features, the second housing has the same rectangular frame configuration as the shielding shell of the existing universal busbar electrical connector, which can be used not only on this combined electrical connector, but also on a single electrical connector .

Compared with the prior art, some components of the shielding device of the present invention can borrow the shielding components of the original single universal serial bus connector, thereby enhancing the interchangeability and versatility of the components of the electrical connector and saving manufacturing costs. Cost and convenience in warehouse management and production management.

Below in conjunction with accompanying drawing and embodiment the utility model is described in detail.

Fig. 1 is a three-dimensional exploded view of the combined electrical connector of the present invention.

Fig. 2 is a cross-sectional view of the combination of the insulating body and the terminal of the present invention.

Fig. 3 is a three-dimensional assembled view of the combined electrical connector of the present invention.

Fig. 4 is a side view of the combined electrical connector of the present invention mated with circuit boards of two thicknesses.

Please refer to FIG. 1 and FIG. 2 , the combined electrical connector 1 of the present invention includes an insulating body 10 , a shielding device 20 and a plurality of conductive terminals 30 , 31 and other components. Wherein the insulating body 10 includes an upper body 11 provided with a plate-shaped front desk 110 and a lower body 12 generally in a square shape, and several compartments 13 are arranged between the upper body 11 and the lower body 12, wherein the rear of the top surface of the upper body 11 The end is provided with two notches 112 and a groove 117 , the two sides adjacent to the top surface are respectively provided with a protrusion 113 near the top surface, and the lower body 12 on the same side as the protrusion 113 is provided with a concave surface 121 . In addition, protruding from the inside of the upper body 11 and the front surface of the lower body 12 are a first receptacle 114 and a second receptacle 122 extending a considerable length, wherein the front end of the first receptacle 114 is provided with a square notch 115 for foolproofing and A plurality of hole-shaped insertion parts 116 that can be connected with external connectors, a plurality of terminals 30 are accommodated in the terminal channel 118 inside the insertion part 116, and the second socket 122 is in the shape of a thin plate, and several terminals 30 are arranged on one side. Through the terminal channel 123 of the lower body 12 , a plurality of terminals 31 are accommodated in the terminal channel 123 , and an embedding hole 124 is formed on the lower body 12 below it.

The shielding device 20 includes a first shell 21 for covering the upper body 11 of the insulating body 10 , a second shell 22 for covering the lower body 12 of the insulating body 10 and a rear portion for covering the insulating body 10 And a third housing 23 that is integrated with the first housing 21 and the second housing 22 .

The first housing 21 has three continuous sides, and a guide piece 211 that is turned outward is provided at the front opening of each side, corresponding to the position of the notch 112 and the groove 117 of the upper body 11 on the middle side There are two buttonholes 212 and a shrapnel 217 respectively, and combination holes 213 are respectively provided at the corresponding positions of the two opposite sides and the protrusions 113 of the upper body 11, and the middle parts of the two opposite sides are symmetrically provided with Inwardly bent elastic arms 214 are respectively provided with a slightly inwardly bent square piece 215 at the concave surface 121 corresponding to the lower body 12, and the front end of the first housing 21 is respectively provided at the position below the guide piece 211. There is a hook 216 .

The second housing 22 utilizes the shielding shell of the existing Universal Serial Bus connector, which is generally in the shape of a rectangular frame, and each side of the frame is provided with an inwardly bent elastic arm 221 , while outwardly turning guide pieces 222 are provided on the left, right and bottom surfaces of the front opening. Its top surface is generally horizontal, and an ear portion 223 is respectively provided at the positions corresponding to the hooks 216 of the first housing 21 on the two ends of the front opening, and the rear end thereof corresponds to the compartment of the insulating body 10 Two protruding pieces 224 and a barb 225 are provided at 13, and a barb (not shown) is also provided at the rear end of the bottom corresponding to the embedding hole 124 of the lower body 12 . In addition, a side hole 226, a first holding foot 227 and a second holding foot 228 are respectively provided at the rear end bottom edges of the left and right sides, wherein the holding portion 27 of the first holding foot 227 and the holding portion of the second holding foot 228 28 is arranged with a drop in the height direction, and a pair of holding feet 227, 228 with different heights of the holding parts 27, 28 are arranged on the same side wall. The arrangement sequence of the other pair of holding feet 227 and 228 on the other side is opposite.

The third housing 23 is roughly in the shape of a square sheet, and its upper edge is provided with two buckle pieces 232 corresponding to the positions of the buttonholes 212 of the first housing 21, and a vertical flap 233 is respectively arranged on the lower sides of its left and right edges. , an elastic piece 234 is disposed on the flap 233 corresponding to the square hole 226 of the second casing 22 .

Please refer to Fig. 1 and Fig. 3, the first housing 21 is wrapped around the periphery of the upper body 11, and its combination hole 213 and elastic piece 217 cooperate with the protrusion 113 and the groove 117 of the upper body 11 respectively, and its square piece 215 Then extend into the concave surface 121 of the lower body 12, the second housing 22 is inserted from the front of the insulating body 10 and covered on the lower body 12 of the insulating body 10, and the barbs 225 and protruding pieces 224 on the top surface extend into the insulating body 10 respectively. In the compartment 13 of the main body 10, the barb (not shown) on the bottom surface extends into the embedded hole 124 (see FIG. 2 ) of the lower main body 12, and the ear 223 is connected to the hook of the first housing 21. 216, the third housing 23 covers the rear part of the insulating body 10, and its buckle 232 is engaged with the button hole 212 of the first housing 21, and its elastic piece 234 is in turn engaged with the second housing 22 The square hole 226 of the second housing 22 is engaged with each other. Through this structure, the complete external configuration of the combined electrical connector 1 is formed, and at the same time, the effects of comprehensive and effective shielding and anti-electromagnetic interference are achieved, and because the top surface of the second housing 22 extends The inner shielding effect is provided between the first socket 114 and the second socket 122 inserted into the insulating body 10, while the other sides are located on the outside of the insulating body 10 to provide an outer shielding effect, so the integrated structure of the second housing 22 makes this combination The electrical connector 1 can provide an integrated shielding effect inside and outside.

Please refer to Fig. 4 further, this combined electrical connector 1 is assembled on the circuit board 4 through the holding portion 27 of the first holding foot 227 interfering with the through hole 41 of the circuit board 4, and the height of the holding portion 28 of the second holding foot 228 is The height of the holding portion 27 is lower than that of the first holding leg 227 , so that it can also cooperate with another thicker circuit board 5 (as shown by the dotted line in the figure).

Claims (8)

1. A combined electrical connector, which is fixedly connected to a printed circuit board to engage with abutting components, includes an insulating body, a number of conductive terminals and a shielding device, wherein the insulating body includes an upper body and a lower body, and the insulating body is also There are several terminal passages running through the front and back, and several conductive terminals are correspondingly arranged in the terminal passages of the aforementioned insulating body to transmit electronic signals. The shielding device includes a first housing, a second housing and a third housing, and is characterized in that : the first shell covers the upper body of the insulating body; the second shell is generally in the shape of a rectangular frame and covers the lower body of the insulating body; the third shell covers the rear part of the insulating body and is connected with the first The casing and the second casing are integrated with each other. 2. The combined electrical connector according to claim 1, characterized in that: the first socket and the second socket protrude from the inside of the upper body and the front surface of the lower body respectively, and extend a considerable length. The sockets are provided with several terminal passages, and at least one compartment is provided between the first socket and the second socket. 3. The combined electrical connector as claimed in claim 2, wherein a square notch is formed at the front end of the first socket. 4. The combined electrical connector according to claim 2, wherein a button hole is provided at the rear end of the first housing, and a hook is provided at the bottom side of the front end. 5. The combined electrical connector as claimed in claim 4, wherein the front end of the second housing is provided with an ear portion matched with the hook, and the rear end is provided with a barb matched with the compartment of the insulating body. 6. The combined electrical connector according to claim 5, characterized in that: the second housing extends between the first socket and the second socket, and first holding feet are provided on both sides of the rear end thereof and the second holding foot. 7. The combined electrical connector according to claim 6, wherein the third housing is provided with a buckle that can be buckled with the buckle hole of the first housing. 8. The combined electrical connector according to claim 7, wherein the first holding leg is provided with a holding portion, and the second holding leg is also provided with a holding portion, and the heights of the two holding portions are different, so that they can be inserted in boards with different thicknesses. on the circuit board, and the arrangement sequence of a pair of holding feet on one side is opposite to that of the other pair of holding feet on the other side.

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