CN2874824Y - Electric connector - Google Patents

Abstract

The utility model discloses an electrical connector. The electrical connector is characterized in favorable terminal position function which comprises an insulating body and a plurality of terminals positioned on the insulating body. The insulating body has a bottom surface where grooves are spread on, and spacer rods are arranged between adjacent grooves. The terminals provide extension parts into the grooves and welding parts expanded from the extension. The spines are arranged on the extension edge and are fitted with the spacer rods through interference fit and the extension can be positioned into the groove.

Description

Electric connector

[technical field]

The utility model relates to a kind of electric connector, relates in particular to the holding structure of connector terminals.

[background technology]

Electric connector is widely used in the electronic installation or the signal that is used between electronic installation connects, usually, described electric connector comprises the circuit board connector that is welded on the circuit board and the wire and cable connector of connection cable end, and the technology that circuit board connector is welded on the circuit board generally includes surface mounting technology (SMT) and through hole solder technology (THT).

See also Figure 6 and Figure 7, it has described a kind of existing circuit board connector, and this circuit board connector is welded on the circuit board by surface mounting technology, and it comprises: insulating body 1 ' and fixing are arranged in the plurality of terminals 2 ' on the insulating body 1 '.Described terminal 2 ' has extension 21 ' that extends on the insulating body 1 ' bottom surface and the weld part 22 ' that extends from extension 21 '.Described insulating body in a row offers groove on the bottom surface, is provided with jube 11 ' between adjacent two grooves, and described extension 21 ' is contained in the described groove.Described circuit board connector is welded on the circuit board by described weld part 22 '.Yet; because extension 21 ' and weld part 22 ' are long and be not immobilizated on the insulating body well; thereby make and transportation described in the weld part regular meeting of terminal be subjected to the effect of external force and extension broken away from cause the weld part coplane degree not good, be unfavorable for welding from accepting groove.

Therefore, necessaryly provide a kind of electric connector that can overcome above-mentioned defective.

[utility model content]

The purpose of this utility model is to provide a kind of electric connector, and this kind electric connector has good terminal position function.

For achieving the above object, the utility model electric connector adopts following technical scheme: a kind of electric connector, and it comprises insulating body and is immobilizated in plurality of terminals on the insulating body; Described insulating body has the bottom surface, in a row offers groove on the bottom surface, is provided with jube between the adjacent grooves; Described terminal has extension that extends in the groove and the weld part that extends from extension; The edge of described extension is provided with protruding thorn, described protruding thorn and jube interference engagement and extension is immobilizated in the groove.

Compared with prior art, the utility model electric connector has following beneficial effect: the extension of the utility model connector terminals is provided with protruding thorn, described extension is immobilizated in the groove on the insulating body bottom surface with the form of interference engagement, described like this extension can more stably remain on the insulating body, makes weld part have normotopia degree preferably.

[description of drawings]

Fig. 1 is the three-dimensional combination figure of a kind of embodiment of the utility model electric connector.

Fig. 2 is the three-dimensional combination figure of another angle of electric connector shown in Figure 1.

Fig. 3 is the three-dimensional exploded view of electric connector shown in Figure 1.

Fig. 4 is the bottom view of electric connector shown in Figure 1.

Fig. 5 is the partial enlarged drawing of circle A shown in Figure 4.

Fig. 6 is the bottom view of prior art electric connector.

Fig. 7 is the partial enlarged drawing of circle A ' shown in Figure 6.

[embodiment]

See also Fig. 1, Fig. 2 and shown in Figure 3, a kind of electric connector, it can be welded on the circuit board by surface mounting technology, and this electric connector comprises: insulating body 1, plurality of terminals 2, metal shell 3 and a pair of nut 4.

Described insulating body 1 comprises docking section 16 and is positioned at the bottom surface 13 of tossing about docking section 16, described docking section 16 comprises interface frame, mating frame 12 and is positioned at the hyoplastron 11 of interface frame, mating frame, the upper and lower both sides of described hyoplastron 11 all offer terminal containing slot 10, the outer surface of described interface frame, mating frame 12 has formed and bottom surface 13 parallel relative butt joint end faces, in a row offer the groove that to accommodate terminal on the described bottom surface 13, described groove extends in parallel on the bottom surface 13 of insulating body 1, is provided with jube 15 between the adjacent grooves.

Described terminal is immobilizated on the insulating body 1, and it comprises contact arm 21, with the weld part 22 that may extend into extension 24 in the groove, extends from extension 24 of contact arm 21 approximate vertical and be connected the connecting portion 23 of described contact arm 21 and extension 24.Described contact arm 21 extends and is contained in the accepting groove of being located on the hyoplastron 11 10 along described hyoplastron 11, and described weld part 22 is roughly parallel to the bottom surface 13 of insulating body 1 and extends.

As Fig. 4 and shown in Figure 5, the edge of described extension 24 is provided with protruding thorn 240, in the present embodiment, the both sides of extension 24 are equipped with protruding thorn 240, the protruding thorn 240 that is positioned on the same extension 24 is located along the same line in the orientation of extension 24, and stagger in the protruding thorn of the extension 24 in adjacent two grooves front and back on the bearing of trend of extension 24, this is because if the protruding thorn 240 of opposite edges is located along the same line in extension 24 orientations on adjacent two extensions 24, jube 15 easy squeeze cracks therebetween stagger before and after on the bearing of trend of extension 24 so be immobilizated in protruding thorn 240 on adjacent two extensions 24 on the same jube 15.Described protruding thorn 240 is interfered fixings with jube 15, so extension 24 is immobilizated in the groove with the form of interference engagement, so weld part 22 can stably be immobilizated on the insulating body 1, makes weld part 22 have normotopia degree preferably.

See also Fig. 1 to shown in Figure 3, described metal shell 3 comprises flat part on the butt joint end face that is covered in insulating body 1, be covered in the side plate of described interface frame, mating frame 12 inboards and extend the holding part that can be held in interface frame, mating frame 12 outsides from the side plate one.

See also shown in Figure 3ly, the both ends of described insulating body 1 are respectively equipped with through hole 17 along the butt joint direction, and the both ends of described insulating body 1 are along offering and the described groove 14 that communicates with through hole 17 perpendicular to the butt joint direction.Described nut 4 is assembled in the insulating body 1 from described groove 14, and its screw and through hole align, can be in order to electric connector is locked on the circuit board (not shown).

During assembling, described terminal 2 is from the 13 insertion insulating bodies 1 of bottom surface, the contact arm 21 of terminal 2 extends in the accepting groove 10 along hyoplastron 11, the extension 24 of terminal 2 is contained in the groove on the bottom surface 13 with the form of interference engagement, described nut 4 is assembled in the insulating body 1 from described groove 14, its screw and through hole 17 align, and the flat part of described metal shell 3 is covered on the butt joint end face, and its side plate is covered in the inboard of interface frame, mating frame 12 and the outside that its holding part is held in interface frame, mating frame 12.Because of the extension 24 of terminal 2 is provided with protruding thorn 240,, make weld part have good coplane degree so it can be positioned in the groove well.

More than be better embodiment of the present utility model, in other embodiments, described extension 24 can also be set as other forms:

Such as: described extension 24 only is provided with protruding thorn 240 in a lateral edges, and described protruding thorn 240 is positioned on the edge, the same side of extension 24, and described protruding thorn 240 can be located along the same line in the orientation of extension, also can be not on same straight line.

Such as: described extension 24 only is provided with protruding thorn 240 in a lateral edges, and the protruding thorn 240 of adjacent extension 24 is in the opposite direction protruding, and staggers in described protruding thorn 240 front and back on the bearing of trend of extension 24.

Such as: be respectively equipped with protruding thorn 240 on the two edges of described each extension 24, and the protruding thorn 240 of the two edges of each extension 24 staggers before and after on the bearing of trend of extension 24, and the protruding thorn 240 that is immobilizated in two adjacent extensions 24 on the same jube staggers before and after on the bearing of trend of extension 24.

Such as: the extension 24 in adjacent two grooves, wherein the both sides of the edge of an extension 24 are equipped with protruding thorn 240, and another extension 24 only is provided with protruding thorn 240 at a lateral edges; Or the like.

Claims (10)

1. electric connector, it comprises insulating body and is immobilizated in plurality of terminals on the insulating body; Described insulating body has the bottom surface, in a row offers groove on the bottom surface, is provided with jube between the adjacent grooves; Described terminal has extension that extends in the groove and the weld part that extends from extension; It is characterized in that: the edge of described extension is provided with protruding thorn, described protruding thorn and jube interference engagement and extension is immobilizated in the groove.

2. electric connector as claimed in claim 1 is characterized in that: stagger in the protruding thorn front and back on the bearing of trend of extension that are immobilizated in adjacent two extensions on the same jube.

3. electric connector as claimed in claim 1 is characterized in that: described extension only is provided with protruding thorn in a lateral edges.

4. electric connector as claimed in claim 3 is characterized in that: described protruding thorn is positioned on the edge, the same side of extension.

5. electric connector as claimed in claim 4 is characterized in that: described protruding thorn is located along the same line in the orientation of extension.

6. electric connector as claimed in claim 1 is characterized in that: described weld part is parallel to the insulating body bottom surface and extends.

7. electric connector as claimed in claim 1, it is characterized in that: be respectively equipped with protruding thorn on the two edges of described each extension, and the protruding thorn of the two edges of each extension is located along the same line in the orientation of extension, and staggers in the protruding thorn of the extension in adjacent two grooves front and back on the bearing of trend of extension.

8. electric connector as claimed in claim 1 is characterized in that: be respectively equipped with protruding thorn on the two edges of described each extension, and stagger in the protruding thorn of the two edges of each extension front and back on the bearing of trend of extension.

9. electric connector as claimed in claim 1 is characterized in that: the extension in adjacent two grooves, and wherein the both sides of the edge of an extension are equipped with protruding thorn, and another extension only is provided with protruding thorn at a lateral edges.

10. electric connector as claimed in claim 1 is characterized in that: described groove extends in parallel on the insulating body bottom surface.

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