CN2365783Y - Laminated electric connector - Google Patents

Abstract

A stacked electrical connector mainly includes components such as a bracket, several electrical connectors, and a positioning device, wherein the bracket provides a stacked accommodation space for accommodating several electrical connectors and their components. The conductive terminal is assembled into the receiving hole of the insulating body in a modular manner, and in order to keep the longer terminal at a predetermined position, the utility model provides a positioning device, which is provided with a positioning hole and a positioning The grooves are respectively combined with the welding ends of different conductive terminals of the electrical connector, so that the conductive terminals with longer lengths can be firmly kept in the original position.

Description

Stackable electrical connector

The utility model relates to a laminated electrical connector, in particular to a laminated electrical connector assembled on a circuit board to be connected with an external connector.

In the prior art, the conductive terminal is usually only provided with a holding structure at one end close to the circuit board for fixing. Please refer to FIG. 5, the stacked electrical connector 7, 7' is divided into two layers, the upper layer The upper conductive terminal 8 of the electrical connector 7 is longer than the lower conductive terminal 8', and the same side of the two types of terminals 8, 8' are positioned in the insulating body 6 of the electrical connector, and the other ends are extended after vertical bending And assembled on the circuit board. Since the number of terminals of this stacked electrical connector is large, and the terminals of the upper layer electrical connector extend longer, it is not easy to locate the end, so the extended end 81 of the terminal is assembled into the circuit board (not shown). The above-mentioned holding structure 9 is used to keep the ends 81 of the conductive terminals in position when the electrical connectors 7, 7' are assembled with the circuit board, and to be easily assembled into the corresponding holes of the circuit board. At the same time, in order to match the direction of connecting other electronic components and assembling to the circuit board, the terminals of this kind of electrical connector will be bent into a right angle, and this bending method will make it difficult to locate the conductive terminal at one end of the circuit board. It is very easy to warp upwards in the vertical direction. This phenomenon is more likely to occur when the terminal group is in the corresponding hole of the circuit board due to end collision or friction with the hole wall. This will not only damage the conductive terminal 8 and cause improper bending , and will destroy the positional relationship of the original conductive terminals, making the terminals too close to cause interference and short circuit phenomenon, resulting in unstable transmission.

The purpose of this utility model is to provide a stacked electrical connector, which has at least one electrical connector with a positioning device so that its conductive terminals can avoid warping and deformation when inserted into a circuit board, so that the conductive terminals of this connector It can be smoothly assembled into the corresponding hole of the circuit board, and at the same time, the conductive terminal can be modularized by using the positioning device.

The purpose of this utility model is achieved in this way: the support of the stacked electrical connector is a stacked upright structure, one side of which is a assembling board, and the assembling board is provided with several fixing grooves, and the utility model includes The electrical connectors are all provided with an insulating body with a protruding body, which can be assembled into a corresponding fixing groove of the bracket, and the protruding body is provided with rows of terminal receiving holes, which can accommodate conductive terminals. Since the length of the electrical connector terminals farther away from the circuit board is longer, the positioning device provided by the utility model can be used to hold the vertical bending part of each row of terminals, and each longer terminal can be arranged into a modular terminal group, On the one hand, it avoids its warping or elastic deformation, and on the other hand, it facilitates the combination of the terminal and the insulating body.

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

Fig. 1 is a three-dimensional exploded view of the utility model.

Fig. 2 is a three-dimensional assembled view of the utility model.

Fig. 3 is a sectional view along line III-III of Fig. 2 .

Fig. 4 is a three-dimensional schematic view of the assembly of the positioning device and some conductive terminals of the present invention.

Fig. 5 is a side view of a conventional electrical connector.

As shown in Figure 1, it is a three-dimensional exploded view of the stacked electrical connector of the present invention. The stacked electrical connector is a stacked structure, including at least a bracket 1, an insulating body 2, 2', a conductive terminal 3, 3', Positioning device 4 and holding device 5 etc. The insulating body 2, the terminal 3 and the positioning device 4 form a first connector, and the insulating body 2' and the terminal 3' form a second connector. The bracket 1 has a vertical stacked structure, and a vertical plate-shaped docking plate 11 is provided in the direction where it is plugged into the docking connector (not shown), and its lower end surface can abut against the corresponding circuit board (not shown) On the appropriate position of the butt plate surface, there are respectively provided fixing grooves 112 extending to the butt plate 11 for a considerable length, and the left and right ends of the fixing grooves 112 are provided with buckles 111, so as to be fastened to the butt connector. corresponding structures (not shown). And the two ends of the support 1 close to the fixing groove 112 are provided with side walls 13 extending in a direction perpendicular to the butt plate 11, the upper bottom surface of which is flush with the upper bottom surface of the butt plate 11, and the bottom end is provided with a side wall 13 perpendicular to the side wall. A wall 13 and a bottom plate 14 extending outwardly of the side wall. Moreover, the two end walls 13 of the bracket 1 and the butt plate 11 together form a receiving space 12 with shielding on three sides, for the connector and the fixing device to be assembled therein. In addition, the bracket 1 is also provided with clasps 141, which can be assembled into the left and right bottom plates 14, and protrude from the bottom surface of the bottom plates, so as to be buckled into holes (not shown) of the corresponding circuit boards, so that the stacked The bracket of the type electrical connector is firmly combined with the circuit board. Both the first connector and the second connector are provided with insulative bodies 2, 2' with approximately the same structure, and the two insulative bodies 2, 2' are respectively provided with convex bodies 21, 21' on the side faces of the corresponding connector insertion direction. The outer contour of this convex body is approximately "D" shaped, and its outer surface is further provided with shielding shells 22, 22' sleeved on its outer surface. The convex bodies 21, 21' put on the shielding shell can be combined into the fixing grooves 113, 113' of the bracket 1 respectively, and several rows of convex bodies 21, 21' are respectively arranged in the convex bodies 21, 21'. ' and the terminal accommodating holes 211, 211' of the insulating body 2, 2' to accommodate the plug-in ends of the conductive terminals (details will be described later). In addition, the two ends of the insulating body 2, 2' are respectively provided with fastening bodies 23, 23' opposite to the extension direction of the convex bodies 21, 21', which are reliable on the inner side of the side wall 13 of the bracket 1 and interlocked with the side wall 13. Hold, so that the insulating body 2, 2' can be fixed. Furthermore, the conductive terminals 3, 3' are arranged in a row, and the middle part is set as a right-angled bending part 33, 33', and one end is set as the assembly end 31, 31', which can be assembled into the insulating body 2, 2 ' in the terminal receiving holes 211, 211', the other end is the joint end 32, 32', and the joint end 32, 32' protrudes from the bottom side of the bracket after the terminal 3, 3' is assembled into the bracket 1, so as to be able to Insert it into the hole (not shown) on the corresponding circuit board. At the same time, the stacked electrical connector is further provided with a positioning device 4 , which is a strip-shaped structure and is arranged on the longer first connector terminal 3 . Referring to Fig. 4 again, after the positioning device 4 is integrally formed with part of the conductive terminals 3, the bending part 33 of this part of the conductive terminals 3 is formed in the positioning hole 41 of the positioning device 4, so that the part of the conductive terminals 3 is arranged into a module terminal group. On the bottom surface of the positioning device 4 facing the joint end 32 of the terminal 3, a recessed positioning groove 42 is provided between every two positioning holes 41, and other longer conductive terminals 3 also place the vicinity of the bending portion 33 in the positioning position. In this way, all the longer conductive terminals 3 can be neatly arranged into a modular terminal group, and the arrangement density of the terminals can be increased. As for the terminals of the second connector, because the length of the terminals 3 ′ is short, they can be directly assembled into the terminal receiving holes 211 ′. The holding device 5 is assembled into the receiving space 12 of the bracket 1 and is close to the bottom surface assembled with the circuit board, and its two ends are provided with hooks 52, which can be hung on the matching grooves on the inner sides of the side walls 13 of the bracket 1 to be able to be fixed. Holder 5. The holding device 5 is provided with several holding holes 51 in a row and through the holding device 5, so that the joint ends 32, 32' of the terminals 3, 3' pass through the holding holes 51 respectively, so that the joint ends of the terminals can be held on joint positioning.

As shown in Figure 2 is the three-dimensional combination diagram of the utility model, as shown in the figure, the convex bodies 21, 21' of the insulating bodies 2, 2' of the two connectors are respectively combined into the corresponding fixing grooves 112 of the bracket 1 and extend Out of the assembling plate 11 , the protruding portion can be used for the shielding shell 22 to cover the outer surfaces of the two protrusions 21 . The fastening body 23 of the insulating body 2 leans against the inner surface of the side wall 13 of the bracket 1, and the terminals 3, 3' and the positioning device 4 are located in the accommodation space 12 of the bracket 1, and the clasp 141 is assembled on the bottom plate 14 and It protrudes from the bottom surface of the base plate 14 to be directly engaged with the corresponding circuit board.

As shown in Figure 3 again, the conductive terminals 3 and 3' of the present utility model form a modular terminal group by means of the positioning device 4, and are divided into two rows so that the assembly terminals 31 and 31' of the two types of conductive terminals 3 and 3' are assembled respectively. into the terminal receiving holes 211, 211' in the protruding body 21, and at the same time, the joint ends 32, 32' of the two types of conductive terminals 3, 3' are respectively inserted into the holding holes 51 of the holding device 5, because the terminal 3 is inserted into the upper layer On the first connector, the bent part of its conductive terminal 3 is close to the assembly end 31 or leans against the positioning groove 42 of the positioning device 4, or is integrally formed in the positioning hole 41 of the positioning device, so that all conductive Whether the terminal module composed of terminals 3 is inserted into the insulating body 2 or the joint end 32 passes through the corresponding holding hole 51 of the holding device 5 and inserted into the corresponding hole of the circuit board, it can be vertically connected to the circuit board. The direction of the terminal is kept at the original position to avoid deformation and bending of the terminal, thereby enabling the utility model to conduct stably with other electronic devices.

Claims (10)

1. A stacked electrical connector, installed on a circuit board, can provide electrical pathways for several docking electronic components and the circuit board, which includes: several electrical connectors, which are stacked and fixed in one body, one One side is a butt joint surface, and the opposite side is a joint surface, and the conductive terminal is provided with a butt end and a joint end; it is characterized in that the stacked electrical connector is also provided with a positioning device, and the positioning device is a longitudinal body, on which Positioning holes and positioning slots are alternately arranged, and the middle part of the longer conductive terminal of the electrical connector can be assembled into the positioning hole and positioning slot of the positioning device at an appropriate position, and this part of the terminals is arranged into a modular terminal group. 2. The stacked electrical connector according to claim 1, wherein the vicinity of the bending point in the middle part of the longer conductive terminal is fixed in the positioning hole of the positioning device. 3. The stacked electrical connector according to claim 2, wherein the vicinity of the bending point of another part of the longer conductive terminal abuts against the positioning groove of the positioning device. 4. The stacked electrical connector according to claim 3, wherein the stacked electrical connector at least comprises a first connector and a second connector, and the first connector and the second connector are integrated by a bracket. 5. The laminated electrical connector according to claim 4, characterized in that the first connector and the second connector are provided with insulating bodies, and both ends of the two insulating bodies are provided with buckles buckled on the insulating bodies. Contact. 6. The stacked electrical connector according to claim 5, characterized in that the same side of the insulating body of the first connector and the second connector are respectively provided with a convex body, and the convex body is provided with a penetrating insulating body and its convex body terminal receiving holes. 7 . The stacked electrical connector according to claim 6 , wherein a shielding shell is further provided on the outside of the convex body of the insulating body of the first connector and the second connector. 7 . 8. The stackable electrical connector according to claim 7, characterized in that the support of the stacked electrical connector for holding the first connector and the second connector is provided with a butt plate and side walls extending from both ends of the butt plate , the mating surface commonly used by each electrical connector can be provided on the mating body. 9. The stacked electrical connector according to claim 8, characterized in that the butt plate of the bracket of the stacked electrical connector is provided with a protrusion corresponding to the insulating body of the first connector and the second connector and its shielding The fixing groove of the shell. 10 . The stackable electrical connector according to claim 9 , wherein a holding device is provided between the two side walls of the stacked electrical connector bracket, and a row of holding holes are formed on it and pass through the holding device. 11 .

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