CN2350904Y - Input/output electric connector - Google Patents

Abstract

An input/output electric connector comprises an insulating shell, a plurality of conductive terminals, a positioning device, a shielding component and a shielding component, wherein the insulating shell is provided with a butt joint surface and a welding surface, a terminal accommodating chamber with a plurality of accommodating holes extends from the butt joint surface, an accommodating space is arranged on the opposite side of the butt joint surface, an auxiliary shielding surface extends from the welding surface and forms a slot with the welding surface, the plurality of conductive terminals comprise contact ends and welding ends, the contact ends are accommodated in the accommodating holes of the insulating shell, the welding ends penetrate through the welding surface of the insulating shell, the positioning device is accommodated in the accommodating space of the insulating shell and provided with positioning grooves corresponding to the welding ends of the conductive terminals, and the shielding component is wrapped outside the insulating shell.

Description

Input/Output Electrical Connectors

The utility model relates to an input/output electrical connector, in particular to an input/output electrical connector with good noise suppression effect, reliable positioning of the welding end of a conductive terminal, and stable insertion with a main board.

"Noise interference" will be generated in the equipment using the electronic circuit components used, especially the electrical connectors used for high-frequency transmission, which are more likely to generate large noise interference. Block settings. In addition, in order to effectively position the electrical connector on the circuit board to facilitate soldering, a positioning member is provided on the electrical connector. Related design and related to the input/output electrical connector of this case can refer to US Patent No. D345,343, D344,492, D345,140, 5,017,156 and Taiwan Patent Application No. 81110335, 81217896, 81300211, 82101300, 83310726 United One, No. 84104611 etc.

However, although the number of conductive terminals of the known input/output electrical connector is not much, but because of the small size, if the soldering terminals of the conductive terminals are not properly positioned, the offset of the soldering end will affect the welding with the correct position of the main board, so that the Cause poor contact and affect the quality of signal transmission.

The purpose of this utility model is to provide an input/output electrical connector that can keep the welding end of the conductive terminal of the input/output electrical connector at a predetermined position for welding, and is convenient for welding with the main board. The position is limited so that there will be no deviation and skew, and it can be kept at the predetermined welding position, which makes the welding operation convenient and ensures the stable effect of signal transmission.

Another purpose of this utility model is to use the new shielding method of the electrical connector to make the effect of suppressing noise better, that is, in the insulating shell where the welding terminal of the conductive terminal is located, the shielding device is located at the welding end in a special covering method. The joint surface on the side is shielded so as to isolate the noise interference generated by the joint surface, and the effect of suppressing noise interference by the electrical connector is better.

The purpose of this utility model is achieved by providing an input/output electrical connector, which includes: an insulating housing, including a butt joint surface and a welding surface, and a terminal housing with several receiving holes is extended from the butt joint surface. An accommodating space is provided on the opposite side of the butt joint surface, an auxiliary shielding surface extending from the welding surface and forming a slot with the welding surface; several conductive terminals, including a contact end and a welding end, the The contact end is accommodated in the accommodation hole of the insulating housing, and the welding end passes through the welding surface of the insulating housing; the positioning device is accommodated in the accommodation space of the insulating housing, which corresponds to each of the The welding end of the conductive terminal is provided with a positioning groove; the shielding member is covered outside the insulating case, and the part of the welding surface relative to the insulating case is shielded by the auxiliary shielding surface.

The advantage of the device of the utility model is that it adopts a positioning device, so that the welding end of the conductive terminal can be positioned reliably, the signal transmission is stable, and the noise interference can be suppressed by shielding.

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

Fig. 1 is a three-dimensional exploded view of the input/output electrical connector of the present invention;

Fig. 2 is a combined perspective view of Fig. 1;

Fig. 3 is a perspective view converted from another angle in Fig. 2;

Fig. 4 is a sectional view along line IV-IV in Fig. 2 .

Please refer to Fig. 1 and Fig. 2, the input/output electrical connector of the utility model includes: an insulating shell 1, a conductive terminal 2, first and second shielding bodies 30, 31, a positioning device 4 and an auxiliary force limiting device 5, etc. As shown in the figure, one side of the insulating housing 1 is a docking surface 10, and the bottom of the adjacent docking surface 10 is a welding surface 11, and the docking surface 10 is convexly provided with three rows of up and down symmetrical receiving holes 121 (see FIG. 2 ). The accommodating hole 121 is a 90-degree groove, and its horizontal side penetrates to the protruding accommodating chamber of the mating surface 10 , and its vertical side penetrates to the welding surface 11 . Moreover, the mating surface 10 and the terminal accommodating hole 121 cooperate with the first shielding body 30 to jointly define an insertion space 130 (see FIG. 2 ) in which a mating connector (not shown in the figure) can be inserted. In addition, an accommodating space 131 is provided on the opposite side of the mating surface 10 , and the accommodating space 131 is used for accommodating a positioning device, and a plurality of guide plates 132 are provided on the lower edge thereof for guiding and accommodating the welding ends 21 of the conductive terminals 2 . In addition, the two sides of the insulating shell 1 are provided with embedding grooves 14 for engaging and fixing with the inlays 3013 and 3033 of the first shielding body 30 . In addition, a resisting groove 15 and a groove 16 are provided on the top surface for providing a matching space when assembling with the first and second shielding bodies 30 , 31 . Positioning parts 17 are provided at the left and right ends of the welding surface 11, which are integrally formed with the insulating housing 1, and are used to fasten on the main board (not shown). In addition, on the same side of the welding surface 11, they extend horizontally along the butt surface 10. There is an auxiliary shielding surface 18, and a slot 19 is formed above the auxiliary shielding surface 18 for accommodating part of the area of the second shielding body 30, that is, the joint surface of the second shielding body 30 close to the welding position after assembly, so that it is The auxiliary shielding surface 18 is shielded (as shown in FIG. 2 and FIG. 3 ), which can suppress the interference of noise there.

The conductive terminals 2 are punched from a plate and are arranged in the terminal receiving holes 121. Please refer to FIG. 20 and the welding end 21, wherein one side of the contact end 20 protrudes and is located in the slot space 13 to facilitate electrical contact with the mating connector. The welding end 21 is bent at 90 degrees and then turned back to an inclined angle, protruding from the welding surface 11 for welding with a circuit board (not shown in the figure). In addition, as shown in FIG. 1 , the positioning device 4 is a base body, accommodated in the accommodation space 131, on which a positioning groove 40 is provided corresponding to each welding end 21, for receiving and positioning the welding of the conductive terminal 2 The end 21 is in a predetermined position for subsequent welding operations. Please refer to FIG. 4, it can be seen that the contact end 20 of the conductive terminal 2 is accommodated in the receiving hole 121, and the welding end 21 is clamped by the accommodating space 131 and the positioning device 4, so the welding end 21 can be kept at a predetermined welding position, It can be easily soldered to the main board (not shown).

The shielding member 3 includes a first shielding body 30 and a second shielding body 31, both of which are metal materials, and a backstop device is arranged between the first shielding body 30 and the first shielding body 31, and the backstopping device has a first The backstop part and the second backstop part, the first backstop part is adjacent to the edge of the first shield body 30 and the second shield body 31, forming a stop piece 3022, and the second backstop part includes a hook piece 315 and a hook hole 3024 , the hook piece 315 is set on the upper edge of the second shielding body, and the hooking hole 3024 is set on the surface of the first shielding body 30 . Wherein, the first shielding body 30 is integrally punched and bent continuously to form a first surface 301 , a second surface 302 , a third surface 303 , and a fourth surface 304 . And each surface is provided with guide surfaces 3011, 3021, 3031 (see Figure 2) and 3041 that are turned outwards at the end edge. In addition to the function of grounding, the guide surfaces also have the curved shape of the guide surfaces. And it can guide the smooth mating of the mating connector. On the edge of the second surface 302 relative to the guide surface 3021, a stop piece 3022 is punched out, which is used to provide an assembly with the insulating shell (not shown) of the input/output electrical connector, for the stop of the insulating shell , to prevent the insulating shell from being pushed out in the direction of assembly. In addition, elastic grounding springs 3023 and 3043 (see FIG. 3 ) are punched inward on the surface of the second surface 302 and the fourth surface 304 for clamping and having a grounding effect. Hook holes 3024 are provided on both sides of the resisting piece 3022 for hooking with the second shielding body 31 . Similarly, on the edges of the first surface 301 and the third surface 303 relative to the respective guide surfaces 3011 and 3031, tapered buckles 3012 and 3032 are provided, so as to be buckled with the second shielding body 31 (details will be described later) . In addition, inlays 3013 and 3033 are provided on adjacent sides of the tapered buttons 3012 and 3032 for combining with the insulating housing of the input/output electrical connector (described later).

The second shielding body 31 (see FIG. 1 ) is a single surface, with fastening walls 311 and 312 (see FIG. 2 ) extending from the left and right sides, and the fastening walls 311 and 312 are provided with buckle holes 3110 and 3120, which can Interlocking with the aforementioned tapered buckles 3012 and 3032 . In addition, from the lower edge of the fastening walls 311 and 312, buckle feet 313 and 314 are extended, and tongues 3131 and 3141 are punched outward on the buckle feet 313 and 314, which can be inserted into the circuit board jack (not shown in the figure). Shown) has a tight effect. A hook piece 315 is provided on the upper edge, and its end is formed into a hook-shaped body bent upwards, which can be hooked together with the hook hole 3024 of the first shielding body 30 during assembly.

In this way, the first and second shielding bodies 30, 31 are designed separately. When the surface treatment operation is performed, the first shielding body 30 and the second shielding body 31 can be carried out separately according to different requirements. Because the shield body needs to be plugged with the circuit board and go through the tin furnace, the second shield body can be nickel-plated and tin-plated to ensure solderability. The first shielding body can be nickel-plated. Please refer to FIG. 4 , the first shielding body 30 is combined with the second shielding body 31 , and the button hole 3110 ( 3120 ) of the second shielding body 31 is buckled by the tapered buckle 3012 ( 3032 ) of the first shielding body 30 , the hooking piece 315 of the second shielding body 31 is hooked with the hook hole 3024 of the first shielding body 30, and can firmly join the first and second shielding bodies 30, 31 as a whole.

In addition, the auxiliary force limiting device 5 includes a first limiting body and a second limiting body, the first limiting body extends a pressing piece from the second shielding body 31, and the second limiting body is defined by the auxiliary shielding surface. The two ends of 18 are provided with abutting grooves, so that when the second shielding body 31 is assembled in the insulating case 1, the abutting piece 50 can be pressed against the abutting groove 51, and the positioning member 17 is limited to a predetermined position , and strengthen the strength of the positioning parts. As shown in Figure 3, the abutment groove 51 above the positioning piece 17 is resisted by the pressing piece 50, which can limit the positioning piece 17 to the predetermined position of assembly, and can effectively limit the position even if it is deformed by heat, so as to ensure Solid assembly with motherboard. In addition, the strength of the positioning member 17 can be enhanced, and the degree of freedom of the second shielding body 31 can be restricted, thereby enhancing the stability of assembly.

Please refer to FIG. 1 and FIG. 2 at the same time. When assembling the utility model, firstly assemble the conductive terminal 2 in the terminal receiving hole 121, so that the protruding arc portion of the contact end 20 of the terminal 2 exposes the terminal receiving hole 121 and is located in the slot space. 130 , the welding end 21 is exposed outside the welding surface 11 . In addition, the inlays 3013 and 3033 on both sides of the first shielding body 30 are inserted into the slot 14 of the insulating shell 1, and the abutting piece 3022 of the first shielding body 30 is used to abut against the insulating shell. The abutting groove 15 of the body 1. Then the lure piece 315 of the second shielding body 31 is inserted into the groove 16 of the insulating housing 1, and the tapered buttons 3012, 3032 of the first shielding body 30 are connected with the buttonholes 3110, 3120 of the second shielding body 31. Buckling, the hooking piece 315 of the second shielding body 31 is hooked and buckled with the hook hole 3024 of the first shielding body 30, so that the first and second shielding bodies 30, 31 can be firmly joined together. In this way, the overall assembly can be completed, as shown in Figure 3.

To sum up, after the completion of the utility model, the positioning member 17 can be ensured at a predetermined assembly position by the arrangement of the first and second limiters, and can be assembled with the main board conveniently and stably. The welding end 21 of the conductive terminal 2 is effectively clamped and positioned by the positioning device 4 . In addition, the shielding member 3 completely shields the insulating housing 1 , and the entire insulating housing 1 is covered by the shielding member 3 except for the slot space 130 which is hollowed out for the mating connector to be plugged in after being welded on the circuit board. In addition, the setting of the grounding reeds 3023, 3043 and the guide surfaces 3011, 3021, 3031 and 3041 on the first, second, third and fourth surfaces also greatly reduces the noise interference of static electricity and electromagnetics. Like this, the new combination of the utility model The form not only simplifies components, is easy to assemble, is convenient to use, and its signal transmission is stable.

To sum up, the main feature of the input/output electrical connector of the present utility model is that the input/output electrical connector has a positioning device, which can be accommodated on the insulating housing of the electrical connector. The terminal accommodating hole is provided with a positioning hole for clamping and positioning the welding end of the conductive terminal of the electrical connector at a predetermined position after the electrical connector is assembled, so as to limit its deviation and ensure that the welding end is in the welding position.

Another feature of the input/output electrical connector of the present invention is that the insulating housing of the input/output electrical connector has an auxiliary shielding surface, and the auxiliary shielding surface forms a gap with the insulating housing relative to the bottom of the electrical connector. Socket, the shield assembly of the power supply connector is assembled, and the bottom part of the shield is shielded.

According to the above-mentioned features, wherein, the two sides of the outer edge of the auxiliary shielding surface are provided with positioning pieces that are plugged into the main board. In addition, a limiting body that can be pressed against the positioning piece is provided above the positioning piece, and the limiting body is integrally formed by the shielding device of the electrical connector.

Claims (9)

1. An input/output electrical connector is characterized in that it includes: an insulating shell, including a butt surface and a welding surface, a terminal accommodating chamber with several receiving holes extends from the butt surface, and the opposite of the butt surface There is an accommodating space on the side, an auxiliary shielding surface extending from the welding surface and forming a slot with the welding surface; several conductive terminals, including a contact end and a welding end, and the contact end is accommodated in the insulating shell The receiving hole of the body, the welding end passes through the welding surface of the insulating casing; the positioning device is accommodated in the accommodating space of the insulating casing, and a positioning device is provided corresponding to the welding end of each conductive terminal. The groove; the shielding member, covering the outside of the insulating shell, and the part of the welding surface relative to the insulating shell is shielded by the auxiliary shielding surface. 2. The input/output electrical connector according to claim 1, wherein positioning pieces are provided at both ends of the auxiliary shielding surface, and an auxiliary force limiting device is provided between the positioning piece and the shielding member, so that The auxiliary force limiting device includes a first limiting body and a second limiting body, the first limiting body extends a pressing piece from the shielding member, and the second limiting body is formed by the positioning member relative to The insulating housing where the pressing sheet is located is provided with an abutting groove, and the pressing sheet is pressed against the abutting groove when the shielding member is assembled in the insulating housing, and the positioning member is limited to be able to Strengthen its strength in the established position. 3. The input/output electrical connector according to claim 2, wherein the pressing piece extends horizontally from the shielding member, and the abutting groove is a groove that can accommodate the pressing piece . 4. The input/output electrical connector according to claim 3, wherein the shielding member comprises: a first shielding body, a second shielding body, and a snap-fit device engaging the first and second shielding bodies, the The first shielding body has a plurality of surfaces adjacent to each other to form a space for accommodating the insulating housing, and the second shielding body cover is fixed to one of the accommodation spaces formed by the plurality of surfaces of the first shielding body. On the side, the fastening device includes a fastening wall and a buckle body. 5. The input/output electrical connector according to claim 4, wherein the snap-fit wall is integrally extended from the left and right sides of the second shielding body, and is bent to match the left and right sides of the first shielding body. The surface can be buckled at an angle, and a button hole is provided on it. The button body is arranged on the first shielding body, and corresponding to the buckle hole of the buckle wall is a cone-shaped body, and its bottom edge is buckled. Snap on the buttonhole. 6. The input/output electrical connector according to claim 5, wherein the connector is provided with a buckle pin on the first shielding body, and the buckle pin extends downward from the bottom edge of the buckle wall And has a tongue. 7. The input/output electrical connector according to claim 6, wherein the adjacent side of the tapered buckle is provided with an inlay that can be buckled with the insulating shell of the input/output electrical connector. 8. The input/output electrical connector according to claim 1 or 7, characterized in that a backstop device is further provided between the first shielding body and the second shielding body, and the backstop device has a first backstop part and the second backstop part, the first backstop part forms a stop piece on the edge of the first shield body adjacent to the second shield body, and the second backstop part includes a lure piece and a hook hole , the hooking piece is arranged on the upper edge of the second shielding body, and the hook hole is arranged on the surface of the first shielding body. 9. The input/output electrical connector according to claim 8, wherein at least one surface of the first shielding body is provided with a ground spring.

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