CN2305793Y - Board-to-Board Connector Assemblies - Google Patents

Abstract

A board-to-board connector assembly comprises a socket connector with a plurality of rigid terminals and a plug connector with a plurality of flexible terminals, wherein the protrusion of the connector assembly is arranged on the outer surface of the socket connector, the opening is arranged on two side walls of the plug connector, a locking device is arranged between the two rigid terminals when the two flexible terminals are jointed, each end of each connector shell is provided with an extension part which can prevent the tail part of the terminal from being damaged due to impact, an interference main body of the socket connector terminal is accommodated on one side of a separation rib, flattened barbs on two side parts of the interference main body are embedded into channels of two adjacent ribs, the holding force of the terminal in the shell is enhanced, and the falling off or inclination of the socket connector terminal during.

Description

Board-to-Board Connector Assemblies

The utility model relates to a board-to-board connector assembly, in particular to a low-profile connector assembly for connecting two parallel separated circuit boards, which includes a socket connector with several rigid terminals and a socket connector with several plug connector with flexible terminals.

Board-to-board connector assemblies are commonly used in the computer industry, such as U.S. Patent Nos. 5,161,985 and 5,306,163. Recently, due to the miniaturization trend, the connector components have become more and more miniaturized. Correspondingly, this change has made the high-precision requirements of the connector and the automatic docking function between the socket and the plug connector more important. For example, U.S. Patent No. 5,310,357 discloses a connector assembly that uses the terminal retention feature to make the interior have a buckle function. In addition, U.S. Patent No. 5,395,265 also describes a connector assembly that is independently located The retaining device of the connector housing has a connector assembly with snap-fit function inside.

The purpose of the present invention is to provide a pair of jointed connector assemblies, the connector housing of which is provided with a retaining member to ensure that the pair of connectors are firmly joined together.

The purpose of this utility model is achieved by providing a board-to-board connector assembly, which includes: a plug connector, including an insulating first housing, and two A row of passages for receiving corresponding flexible terminals, a pair of grooves are provided on one side of the two rows of passages, and each terminal interferes with the top and extends into the corresponding groove; and a receptacle connector, including an insulated The second housing, the second housing is provided with walls around, and several ribs are provided on the inner surfaces of the two side walls, and channels for accommodating several rigid terminals are formed between the ribs, wherein each rigid terminal body The interference surface is arranged on the contact surface between two adjacent ribs; the two side walls of the socket connector are accommodated in the corresponding channel of the plug connector, and each flexible terminal of the plug connector is connected to the corresponding The socket connector rigid terminals are in contact.

The device of the utility model has the advantages that the terminals will not be deformed or damaged when they are butted, space is saved, the connection is stable, and the conduction is reliable.

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

Figure 1 is a perspective view of an embodiment of the board-to-board connector assembly of the present invention, which includes a socket connector and a plug connector;

Figure 2 is an exploded perspective view of the components in Figure 1, showing a receptacle connector and an inverted plug connector;

Fig. 3A is a partial perspective view of the inverted plug connector in Fig. 1, showing terminals and channels for accommodating them;

Fig. 3B is an enlarged partial perspective view of the plug connector of Fig. 1, showing a shallow groove in the channel;

Fig. 4 is a partial perspective view of the socket connector of the present invention, showing the terminals and the channel for receiving the terminals;

Fig. 5 is a partial perspective view of the receptacle connector and the plug connector that can be docked but separated in the utility model;

Fig. 6 is a three-dimensional cross-sectional view of the combination of the socket connector and the plug connector of the present invention, showing the corresponding structure of the plug connector combined with the socket connector, and the jointing of its terminals with the terminals of the socket connector;

Fig. 7 is an enlarged partial perspective view of the socket connector of the present invention, from which it can be clearly seen that the thickness change between the terminal and the adjacent barbs, and shows the terminal interference part arranged between two adjacent barbs, and also shows the positioning of the terminals The interfering portion is positioned in the groove when the housing is in the state.

The board-to-board connector assembly of the utility model includes a socket connector with several rigid terminals and a butt plug connector with several flexible terminals. Wherein, a protrusion extends outward from the surface of the receptacle connector, and a pair of recesses corresponding to the protrusion are formed on the side wall of the plug connector. When the two connectors engage with each other, they have the effect of holding each other. In addition, there are stretching parts at both ends of each connector housing, which can prevent the tail end of the terminal from being damaged by undue external force during transportation.

Furthermore, the interfering part of the terminal of the socket connector is firmly straddled on the separating rib, and barbs are provided on both sides of the interfering part. In the adjacent two rib grooves, this can increase the holding force of the terminal to the housing, and can prevent the receptacle connector terminals from being deformed or tilted when they are mated.

For the sake of clarity, the same elements shown in the drawings are marked with the same reference numerals. Please refer to FIGS. 1 and 2 , which illustrate a board-to-board connector assembly 10 for connecting two parallel separated circuit boards 100 , 102 (see FIG. 6 ). Wherein, the board-to-board connector assembly 10 includes a pair of socket connectors 12 and plug connectors 14 that can be used for docking.

Please refer to FIG. 2 and FIG. 3A at the same time, which simply shows a plug connector 14 in an inverted state, wherein the plug connector 14 includes an insulating housing 16 provided with two rows of terminal passages 18 and accommodated in the plug connector 14. The terminals 20 of the channels 18, wherein the channels 18 of one column are substantially offset from the channels 18 of the other column. Moreover, two elongated slots 22 are disposed on one side of the terminal channel 18 for accommodating the insulating housing 36 of the mated receptacle connector 12 (details will be described later).

The terminal 20 includes an end portion 24 and a vertical main body 26, wherein barbs 28 are provided on both sides of the main body 26 for clamping when the main body 26 is accommodated in a pair of shallow grooves 30 of the channel 18. The terminal 20 is held in the channel 18 , and a multi-bend elastic portion 32 is extended from the main body 26 of the terminal 20 , wherein the elastic portion 32 has an interference top 34 extending toward one side of the channel 22 .

Please refer to FIG. 4 again. Correspondingly, the receptacle connector 12 also includes an insulating shell 36, and its surrounding wall 38 makes a recess 40 formed in the middle of the insulating shell 36 for accommodating the central part of the mating plug connector 14. 41 (as shown in Figure 3A). Furthermore, several passages 42 are arranged along the inner surface 44 of the two side walls 38, and a series of ribs 46 on the inner surface 44 of the two side walls 38 are used to accommodate a plurality of corresponding terminals therein, wherein each passage 42 is connected to two ribs. 46 are adjacent to each other, and each terminal 48 is generally in a rigid structure, including a terminal 50 and a vertical main body 52, and barbs 54, 54' are provided on both sides of the main body 52 to be clamped in it for storage. Channel 42.

Please refer to Fig. 5 and Fig. 6, solder the receptacle connector 12 and the socket connector 14 on two mutually parallel circuit boards 100 and 102 respectively, and when the two connectors are butted, place them on both sides of the receptacle connector 12 shell 36. The terminal 48 on the side wall 38 can be inserted in the channel 22 of the mating plug connector 14, on the other hand, the central part 41 of the plug connector 14 will be accommodated in the recess 40 of the receptacle connector 12, meanwhile, the plug The interference top 34 of each terminal 20 of the connector 14 can abut on the main body 52 of the terminal 48 of the corresponding receptacle connector 12, thereby making the receptacle connector 12 and the plug connector 14 form a mechanical and electrical connection, ensuring that the two are connected. The two parallel circuit boards 100 and 102 connected to each other are electrically connected.

As can be seen from Fig. 2 and Fig. 5, a buckling device is provided between the receptacle connector 12 and the plug connector, wherein several openings 56 are provided on the longitudinal wall 58 of the plug connector 14 for matching with corresponding devices. The locking piece 60 is engaged with the locking piece 60 on the outer wall surface 43 of the side wall 38 of the socket connector 12 .

1 to 3A, the plug connector 14 housing 16 also includes a pair of extensions 15 at both ends, the extensions 15 can not only make the plug connector 14 more firmly inserted on the circuit board 100, but also can avoid To make the terminal tails 24 adjacent to the outer wall of the housing 16 subject to undue impact, extensions 11 similar to the extensions 15 of the above-mentioned plug connector 14 are provided at both ends of the receptacle connector 12 .

In addition, it is clearly shown in FIG. 7 that the main body 52 of the terminal 48 of the receptacle connector 12 is thicker than the rib 46 adjacent to it. Therefore, the main body 52 of the terminal 48 is substantially placed on one side of the surface of the rib 46 to ensure that the plug connector 14 The interfering tops 34 of the terminals 20 are not hindered by the rib 46 from making contact with the bodies 52 of the terminals 48 of the receptacle connector 12 . Based on this design, if the thickness of the front barb 54 is the same as another back barb 54' having the same thickness as the main body 52 of the terminal 48, a part of the front barb 54 will not be blocked by the rib 46, so that The retaining force cannot maintain balance, so that the front barb 54 and the rear barb 54 ′ form a so-called “coupling” phenomenon, which will cause the terminal 48 to tilt between two adjacent ribs 46 . Therefore, in the present embodiment, by flattening the outermost part of the front barb 54, the thickness of the thinner front barb 54 and its adjacent rib 46 is almost the same, so that the front barb 54 can be completely And the terminal 48 is more firmly locked in the housing 36 because the rear barb 54 ′ is not opposite to the two adjacent ribs 46 .

It should be noted that, compared with the prior art of related board-to-board connectors, the above-mentioned embodiment discloses a plug connector 14 with a larger width for accommodating multi-bent elastic terminals to obtain the required flexibility and flexibility. Normal force, to replace the prior art, it is necessary to increase the height of the connector to obtain the same elasticity and positive force. In this way, the height of the utility model plug connector 14 can be reduced to 2.25mm. The design is very suitable for notebook computers that are becoming thinner. On the other hand, the terminal 20 of the plug connector 14 and the barbs 28 on both sides of the main body 26 are formed in a bending (forming) manner, to replace the integral blanking or stamping in some prior art. Forming can save the trouble of adding an additional holding element next to the main body of the connector terminal and increasing its width. Therefore, the overall width or height of the board-to-board connection assembly 10 of the present invention can be minimized and most practical.

Claims (6)

1. board to board connector assembly, it comprises: a pin connector, first housing that comprises an insulation, be provided with the passage that two row are taken in corresponding flexible terminal at described first housing with bridging, a pair of conduit is located at a side of described two row passages, and described each terminal interferes the top to extend in the corresponding conduit; An and socket connector, second housing that comprises an insulation, be provided with wall around described second housing, its two side inner surface is provided with several ribs, form the passage of taking in several rigidity terminals between described rib and the rib, wherein, each rigidity terminal bodies interference surface is arranged on the contact-making surface of two adjacent intercostals; Described socket connector two side is placed in the conduit of corresponding described pin connector, and the flexible terminal of each of described pin connector contacts with corresponding described socket connector rigidity terminal.

2. board to board connector assembly as claimed in claim 1 is characterized in that, described pin connector first housing and described socket connector second housing also are provided with button and hold member.

3. board to board connector assembly as claimed in claim 2 is characterized in that described button is held the jut that member comprises several openings and respective number.

4. board to board connector assembly as claimed in claim 1 is characterized in that, at least one housing opposite end is provided with a pair of extending part with balance and protection function.

5. board to board connector assembly as claimed in claim 1 is characterized in that, hangnail and back hangnail before described socket connector rigidity terminal comprises, described before the outermost portion of hangnail be crushed and its thickness less than described back hangnail.

6. board to board connector assembly as claimed in claim 1, it is characterized in that, the flexible terminal of described pin connector comprises a main body, and described main body both sides are provided with hangnail and have the elastic portion of bending more than, and described elastic portion interferes napex to extend in the corresponding described conduit.

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