CN2475164Y - Electric connector - Google Patents

Abstract

The utility model is an electric connector connected with interfacing apparatus. The electric connector comprises an insulating bulk and a plurality of signal terminal. The insulating bulk comprises a connecting surface, an installation surface, a detaining groove, a guide block and a terminal channel. The detaining groove transfixes the connecting surface, the installation surface is used to install the circuit board, the terminal channel is adjacent to the detaining groove. The guide block is arranged close to the connecting surface of the terminal channel. A plurality of the terminals includes a connecting part, a welding part, a fixing part and a groove. The welding part is used to bind with the circuit board, the connecting part is used to connect with the terminal of the interface apparatus, the settle groove is arranged on the upper side of the connecting part, and is pressing joint with the guide block of the insulating bulk.

Description

Electric connector

The utility model is a kind of electric connector, refers to a kind of structure by change insulating body and terminal especially, and can reduce the electric connector of height.

In electronics industry, electric connector be installed on usually on the printed circuit board (PCB) with circuit board on circuit realize electrically connecting.The butt end of this electric connector and aerial lug or other device connect, because the modern industry requirement light, thin, short, little to assembly, determined that the volume of this electric connector is less, with butt connector to dock the zone also very limited, this just requires connector terminals to produce bigger positive force to guarantee it and to dock terminal contact is preferably arranged in less deformation range.Usually, to terminal preload force in addition, make terminal and corresponding connector terminals contact produce bigger positive force, then limited zone produces bigger to relay, has guaranteed closely to contact mutually between terminal and docking facilities.

See also and Figure 1 shows that existingly, adopt similar fashion, see also United States Patent (USP) the 5th the terminal electric connector structure of preload in addition to the terminal electric connector of preload in addition, 399, No. 108, the 5th, 199, No. 907 and TaiWan, China number of patent application No. 82212914, No. 84112341.This electric connector comprises members such as insulating body 1 ', terminal 2 ', insulating body 1 ' comprises upper surface 10 ' and opposing lower surface 11 ', terminal channel 13 ' runs through upper and lower surperficial 10 ', 11 ' of insulating body 1 ', in order to accommodate terminal 2 ', the top of terminal channel 13 ' is provided with guide block 12 ', and it is the elongate structure that stretches downwards from upper surface 11 '.Terminal 2 ' comprises butting section 20 ', docking section 21 ', weld part 22 ' and fixed part 23 ', weld part 22 ' from lower surface 11 ' stretch out and through the bending, it is in order to be welded on electric connector on the circuit board, docking section 21 ' connects in order to the conductor with docking facilities, and butting section 20 ' is positioned at the top of docking section 21 ' and carries out the bending of certain angle.During mounting terminal 2 ', the butting section 20 ' and the guide block 12 ' of terminal 2 ' connected, and make between terminal 2 ' and guide block 12 ' and produce preload, the bigger positive force of generation when contacting with the guide block of docking facilities.

But, this existing electric connector, adopt the microscler guide block 12 ' structure that stretches certain altitude from upper surface 11 ' downwards in order to make terminal 2 ' produce preload, be generally and realize this structure, need to increase the height of insulating body 1 ', this certainly will cause the electric connector height to increase and be unsuitable for being applied in the hypomegetic electronic equipment.Take place for fear of above-mentioned phenomenon, the structure of this existing electric connector has improved necessity in fact.

The purpose of this utility model is to provide a kind of electric connector, and this electric connector has preferable structure, thus make this need to conducting terminal in addition the electric connector height of preload reduce.

The utility model is a kind of electric connector that circuit board is connected with docking facilities that is installed on, it comprises: insulating body and plurality of terminals, insulating body comprises interface, installed surface, accepting groove, guide block and terminal channel, accepting groove is located in the body and is connected interface, installed surface is adjacent to circuit board, in order to be installed on circuit board, terminal channel is positioned at insulating body and accepting groove is adjacent, the contiguous interface of terminal channel is provided with the guide block of tool diapire and inwall, diapire is towards the direction away from interface, and inwall is towards the direction away from accepting groove; Plurality of terminals comprises docking section, weld part, fixed part and groove, weld part is that the installed surface from insulating body stretches out in order to combine with circuit board, the docking section connects in order to the terminal with docking facilities, upside in the docking section has a groove that sink, the guide block of it and insulating body connects, and makes the part diapire of guide block and inwall be arranged in this groove.

Compared to prior art, the utlity model has and have preferable structure, thereby make this need to conducting terminal in addition the electric connector height of preload reduce.

The utility model is described in further detail below in conjunction with accompanying drawing and preferred embodiment.

Fig. 1 is the cutaway view of existing electric connector.

Fig. 2 is the cutaway view of the utility model electric connector.

Fig. 3 is the stereogram of the utility model connector terminals.

Fig. 4 is the cutaway view of the utility model electric connector, wherein represented terminal and guide block connect before and after the position of terminal.

Fig. 5 is the three-dimensional exploded view of the utility model electric connector.

Fig. 6 is the cutaway view of the utility model electric connector, and wherein docking facilities inserts this electric connector with desire.

See also Fig. 2, shown in Figure 3, the utility model electric connector comprises insulating body 1, terminal 2.Insulating body 1 comprises interface 10, installed surface 11, accepting groove 14, guide block 12 and terminal channel 13.Accepting groove 14 is located in the insulating body 1 and is connected interface 10, installed surface 11 is adjacent to circuit board, in order to be installed on circuit board (not icon), it is adjacent with accepting groove 14 that terminal channel 13 is positioned at insulating body 1, it runs through the interface 10 of insulating body 1, installed surface 11, in order to accommodate terminal 2, terminal channel 13 contiguous interfaces 10 are provided with the guide block 12 of tool diapire 121 and inwall 122, diapire 121 is towards the direction away from interface 10, and inwall 122 is towards the direction away from accepting groove 14, it is symmetrical distribution in terminal channel 13 central shaft both sides, in order to connect with terminal 2.

Terminal 2 comprises docking section 21, weld part 22, fixed part 24 and groove 23, weld part 22 from installed surface 11 stretch out and through the bending to parallel with installed surface 11, it is in order to be welded on electric connector on the circuit board.Docking section 21 connects in order to the terminal with docking facilities 3, and 21 upside has a groove 23 that sink in the docking section, and it is in order to combine with the guide block 12 of insulating body 1.

Terminal 2 is upwards installed from the bottom of terminal channel 13, the inside of the docking section 21 inserting end subchannels 13 of terminal 2, groove 23 on it is snapped in guide block 12, make the part diapire 121 and the inwall 122 of guide block 12 be arranged in this groove 23, part terminal 2 is positioned at the top on plane, guide block diapire 121 place, and part docking section 21 is positioned at accepting groove 14.Simultaneously, fixed part 24 is fixed on appointed positions with combining of insulating body 1 with terminal 2.Then weld part 22 is welded on (not icon) on the circuit board.

See also Fig. 4, shown in Figure 6, the represented terminal 2 of dotted line and solid line is respectively: combine under back two kinds of situations the position of terminal 2 in terminal channel 13 when not combining with guide block 12 and with guide block 12.After this means that groove 23 is snapped in guide block 12, the docking section 21 of terminal 2 has the trend to the bounce-back of terminal channel 13 central axis directions, the docking section 21 that is terminal 2 is added with load in advance, when combining with docking facilities 3, docking facilities 3 stretches into from accepting groove 14, and the docking section 21 of its firm contact terminal 2 just is subjected to the bigger power towards terminal channel 13 central axis directions of docking section 21 to it.Guarantee in limited contact area, to produce bigger adhesion, the terminal of two butt joints can be combined closely.

Mode manufacturing with integrated punching when the groove 23 on 21 tops, docking section is punch forming terminal 2 forms, and the structure that overcomes the bending of existing 21 tops, docking section is the defective of easy-formation not.The guide block 12 at insulating body 1 top is in order to being interlocked with groove 23, need not to adopt the structure of lengthening, thereby the existing relatively electric connector of the volume of this electric connector diminishes.

Claims (4)

1. electric connector, being installed on circuit board is connected with docking facilities, comprise: insulating body, comprise interface, installed surface, accepting groove, guide block and terminal channel, accepting groove is located in the body and is connected interface, installed surface then is installed on circuit board, and terminal channel is positioned at insulating body and accepting groove is adjacent; Plurality of terminals, comprise docking section, weld part, fixed part and groove, weld part is that the installed surface from insulating body stretches out with circuit board and combines, the terminal of docking section and docking facilities connects, it is characterized in that: the contiguous interface of the terminal channel of insulating body is provided with the guide block of tool diapire and inwall, diapire is towards the direction away from interface, and inwall is towards the direction away from accepting groove, upside in the terminal docking section has a groove that sink, the guide block of it and insulating body connects, and makes the part diapire of guide block and inwall be arranged in this groove.

2. electric connector according to claim 1 is characterized in that: the guide block at the terminal channel top of insulating body is to be symmetrical distribution in terminal channel central shaft both sides.

3. electric connector according to claim 1 is characterized in that: the terminal weld part is to stretch out and through bending, and be welded on the circuit board from insulating body.

4. electric connector according to claim 2 is characterized in that: the groove that terminal has is snapped in guide block, and the part terminal is positioned at the top on plane, guide block diapire place, and the part docking site is in accepting groove.

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