CN202153561U - Power supply connector - Google Patents

Abstract

Provided is a power supply connector, comprising a conductive housing, an insulating body, a fixing sheet, an anode conductive terminal, and a cathode conductive terminal, wherein the conductive housing is provided with a guidance part by extending from one side of the conductive housing close to the cathode conductive terminal; the guidance part, after being bent, can be smoothly settled with the weld part of the cathode conductive terminal and buckled via the buckle arms, thereby making the guidance part and the weld part be reliably and tightly contacted. As the weld parts are intensively integrated in this manner, the cold joint resulting from the gap between the guidance part and the weld part can be avoided during the assembling and applying of the bonding wire of the connector. Moreover, the welding technology is simplified, thus to ensure the excellent electrical conduction.

Description

Power connector

[technical field]

The utility model provides a kind of power connector, refers more particularly to a kind of Welding Structure of power connector.

[background technology]

Power connector is widely used in the electronic applications, charges to offer in the electronic installation, and it is most important for the performance of whole connector in order to the stability between the conducting terminal of transferring electric power signal.

As shown in Figure 8; Be the present power connector that is applied to 10, it comprises insulating body 101, anodal conducting terminal 103, negative pole conducting terminal 104 and is covered in the conductive shell 102 on insulating body 101 surfaces that anodal conducting terminal 103 is inserted in insulating body 101 set spliced eyes 100 and fixes; Described negative pole conducting terminal 104 plugs and is fixed in insulating body 101 1 sides; Conductive shell 102 approaches the extension of negative pole conducting terminal 105 1 sides and is provided with guidance part 107, forms a gap 109 between negative pole conducting terminal 104 weld parts 105 that plugged and the guidance part 107, for considering the stable of power connector conduction transmission performance; When using usually; This connector conductive shell 102 also can be used as hop and is derived by set guidance part 107, as when corresponding connection-peg inserts this connector, contacts first conducting negative pole through bending the holding piece 99 that extends with spliced eye 101 peripheries by conductive shell 102; Avoiding spark to produce, or has the ground connection effect.Generally negative pole conducting terminal weld part 105, conductive shell guidance part 107 are welded conducting as same output point and transfer wire.Yet when this connector and wire bonds application, the welding of lead can have multiple situation welding respectively.Shown in Fig. 9 a; Lead 110 is welded in weld part 105 sides or guidance part 107 sides; But owing to be formed with the gap between guidance part and the weld part, also will weld part 105 and guidance part 107 be welded conducting in the time of welding lead 110, misunderstanding each other between the two during because of welding is easy to generate the rosin joint phenomenon; Thereby make the electric conductivity of this power connector produce bad hidden danger, also waste wlding simultaneously; Shown in Fig. 9 b, simultaneously with reference to Fig. 8, lead 110 is worn and is penetrated in the set through hole 106,108 of weld part 105 and guidance part 107; So; The welding position of lead distributes and comparatively disperses, and needs during welding different at different position and different is carried out spot welding, makes welding procedure complicated; Efficient is difficult to guarantee, also is prone to cause simultaneously rosin joint.This shows when above-mentioned this power connector Welding Structure is carried out the output lead welding, be easier to occur rosin joint, thereby it is bad to cause this connector output and lead to electrically connect, when the connection-peg connector of correspondence docks, pyrophoric behavio(u)r can occur.

In view of this, necessary existing power supply connector Welding Structure is improved, to overcome above-mentioned defective.

[summary of the invention]

The main purpose of the utility model is to provide a kind of power connector; Through this power connector external conductive casing one side being extended the flat card of set guidance part and negative pole conducting terminal weld part; Make guidance part and weld part keep firmly contacting by set button arm; Thereby the welding procedure when simplifying the welding of this connector and output lead, to guarantee the soldering reliability of transfer wire and this connector, it is good to guarantee that this connector electrically conducts when using.

The utility model above-mentioned purpose and the technical scheme of dealing with problems are to realize as following: a kind of power connector; Comprise external conductive casing, insulating body, anodal conducting terminal and negative pole conducting terminal; Anodal conducting terminal is inserted in the insulating body and extends in spliced eye; The negative pole conducting terminal is placed in the set slot internal fixation of insulating body one side, and external conductive casing is coated on the insulating body appearance.Described external conductive casing approaches the extension of negative pole conducting terminal one side and is provided with a guidance part, and the local at least flat card of this guidance part and negative pole conducting terminal weld part contacts.This external conductive casing guidance part has been bent to form kink to the inside; And be provided with the button arm in the guidance part both sides; The negative pole conducting terminal extends to form weld part by the fixed part rear end, and the button arm is held in weld part, reliably contacts with negative pole conducting terminal weld part to keep the external conductive casing guidance part.Be provided with breach in the weld part both sides, set button arm button is held and set breach.Be equipped with corresponding through hole in guidance part, weld part simultaneously.

From the above; The utility model power connector compared with prior art advantage is obvious: through guidance part that external conductive casing is set and the flat card of negative pole conducting terminal weld part; Keep fastening contact between the two by set button arm simultaneously; In the time of so not only can avoiding bonding wire because of between guidance part and the weld part because of there being bigger gap to produce the rosin joint phenomenon, but also can simplify welding procedure, guarantee soldering reliability.

[brief description of drawingsfig]

Fig. 1 is the utility model power connector exploded perspective view;

Fig. 2 is another visual angle exploded perspective view of the utility model power connector;

Fig. 3 is the utility model power connector external conductive casing housing assembling afterwards sketch map;

Fig. 4 for the utility model power connector assembling accomplish after stereogram;

Fig. 5 machines the back stereogram for the utility model power connector;

Fig. 6 is Fig. 5 A-A cutaway view;

Fig. 7 a, 7b are reconfiguration sketch map in B place among Fig. 6;

Fig. 8 is a prior art power connector stereogram;

Fig. 9 a, 9b are prior art power connector different modes bonding wire sketch map.

[primary clustering symbol description]

The 1-external conductive casing

11-procapsid 111-perforation

112-holding piece 113-back-off

114-sidewall 12-back casing

13-side 14-kink

15-guidance part 16-through hole

17-button arm 18-bayonet socket

The 2-insulating body

21-spliced eye 22-insertion slot

23-spacing hole 24-slot

25-buckle 26-protuberance

The 3-stator

The 31-clamping part

The anodal conducting terminal of 4-

41-junction 42-cannelure

The 43-lead division

5-negative pole conducting terminal

51-fixed part 52-kink

53-contact site 54-weld part

55-through hole 56-breach

The 6-power connector

[execution mode]

For ease of specifying the enforcement structure of the utility model, existing conjunction with figs. combines the utility model is explained as follows in detail:

See also shown in Figure 1; Be the power connector 6 of the specific embodiment of the utility model, its by insulating body 2 be provided with a spliced eye 21, be covered in insulating body 2 outer surfaces external conductive casing 1, be contained in anodal conducting terminals 4 in the insulating body 2 and form (aforementioned anodal conducting terminal 4 and negative pole conducting terminal 5 edges bury and take shape in this insulating body 2 also is feasible pattern) with 3 of the stators of negative pole conducting terminal 5 and fixing anodal conducting terminal 5.This external conductive casing 1 can be made up of (but not as limit) procapsid 11 and back casing 12; Procapsid 11 corresponding insulating body 2 front end face spliced eyes 21 are provided with a perforation 111; And be provided with holding piece 112 in perforation 111 inboard extensions; Negative pole electrically contact conducting earlier also improves the clamping dynamics to connection-peg simultaneously when inserting this connector with the connection-peg (not shown) that guarantees correspondence, guarantees to dock and stablizes.

Like Fig. 2, shown in 3, end face is preset with a slot 24 on the described insulating body 2, inserts with fixing anodal conducting terminal 4 for stator 3.Be provided with spacing hole 23 in insulating body 2 rear end faces, connect with spliced eye 21 shown in Figure 1.Be provided with insertion slot 22 in spacing hole 23 1 sides, and insertion slot 22 inner sides are converged mutually with spacing hole 23.

Anodal conducting terminal 4 is interspersed in the set spacing hole 23 of insulating body 2 rear end faces; Aforementioned anodal conducting terminal 4 includes a junction 41 and is contained in the insulating body 2 and lead divisions 43 expose; And the set cannelure 42 of said anodal conducting terminal 4 medium positions is corresponding to the set slot 24 of insulating body 2; The stator 3 that is provided with clamping part 31 inserts along slot 24 and is arranged in cannelure 42, make anodal conducting terminal 4 fastening remain in (this terminal also can be fixed in insulating body through embedding moulding) in the insulating body 2.Described negative pole conducting terminal 5 has a fixed part 51 and extends to form first kink 52 along the front end bending, is extended by first kink 52 to be bent to form elastic contact part 53 again, is used for electrically conducting with corresponding connection-peg (figure does not show) resilient abutment contact; Extend to form weld part 54 by fixed part 51 rear ends again, and be provided with breach 56 in both sides, the centre position is provided with a manhole 55, is beneficial to transfer wire and wears welding maintenance tightness.

This negative pole conducting terminal 5 is planted and is fixed in the described insertion slot 22.The procapsid 11 of said external conductive casing 1 vertically bends to extend in periphery and is provided with sidewall 114, is respectively equipped with back-off 113 on the both sides sidewall 114, can fasten with the set protuberance 26 in insulating body 2 both sides, makes procapsid 11 cover at insulating body 2 front end faces.The back casing 12 of said external conductive casing 1 near and almost parallel (non-limiting) extend in the side 13 of negative pole conducting terminal 5 weld part 54 almost parallels (non-limiting) with respect to negative pole conducting terminal 5; And near negative pole conducting terminal 5 lateral bucklings; Form kink 14 (as shown in Figure 6) like zigzag; Form guidance part 15 simultaneously, be provided with button arm 17 in guidance part 15 both sides, and wherein the position also be provided with one keep the wire bonds tightness through hole 55.

Simultaneously with reference to shown in Figure 4, back casing 12 covers at insulating body 2 side surfaces, by the set bayonet socket 18 in these back casing 12 two sides be held in the set buckle 25 in insulating body 2 both sides and tight card in the insulating body side surface.Back casing 12 can contact with procapsid 11 set sidewall 114 extruding simultaneously, so that electrically transmit conducting, thereby forms integrally-built external conductive casing 1.Simultaneously set guidance part 15 and the flat relatively card of weld part 54; The set button arm 17 in guidance part 15 both sides is corresponding to the set breach 56 of weld part 54, and set through hole 16,55 is also corresponding, after the assembled; As shown in Figure 5; Through following process, promptly guidance part 15 set button arms 17 are bent relatively, thus again through riveted processing jig commonly used; Button arm 17 is relative shape and is held in the set breach 56 of weld part 15, thereby weld part 15 is contacted with guidance part 54 fastening firm flat cards.

Simultaneously with reference to shown in Figure 7, said embodiment is that the guidance part 15 with external conductive casing 1 forms zigzag kink 14 to the inside and realizes that it contacts with the flat card of weld part 54, through set button arm 17 to keep reliable contact.But the also equivalent configurations conversion of this structure shown in Fig. 7 a, 7b, is reconfiguration design diagram in B position among Fig. 7, is about to the project organization exchange of guidance part 15 and weld part 54.Guidance part 15 sides of the tabular weld part 54 relative external conductive casings 1 of described conducting terminal are zigzag and are bent to form kink 14, and establish button arm 17 above that, also can make it keep flat card to contact with the guidance part 15 of external conductive casing 1, reach same effect.Perhaps weld part 54 is relative bending simultaneously in an identical manner with guidance part 15, equally also can realize both flat card contacts.Setting as for button arm 17 is not limited on weld part 15 or guidance part 54.Described several kinds of modes all can be considered identical technical characterictic and realize constructed effect.

When above-mentioned power connector output and transfer wire welding (not icon); Advantage is that described output weld part and guidance part form the overall structure of comparatively concentrating; Make weld part and guidance part concentrate on a point; Carry out weld job during bonding wire easily, the welding procedure when simplifying the welding of this connector and output lead is to guarantee the reliability after transfer wire welds.

Be familiar with enforcement creation purpose and the effect that this operator understands the utility model spirit strictly according to the facts for making; Embodiment that is lifted and accompanying drawing only are that the utility model is explained; Not to the utility model any restriction in addition; So allly be familiar with this operator and carry out other pattern under the utility model spirit and implement not breaking away from, the equivalence that all should be regarded as this case claim is implemented.

Claims (4)

1. power connector; Comprise external conductive casing, insulating body, anodal conducting terminal and negative pole conducting terminal; It is characterized in that: described external conductive casing approaches the extension of negative pole conducting terminal one side and is provided with a guidance part, and the local at least flat card of this guidance part and negative pole conducting terminal weld part contacts.

2. power connector as claimed in claim 1; It is characterized in that: the external conductive casing guidance part has been bent to form kink to the inside; And be provided with the button arm in the guidance part both sides; The negative pole conducting terminal extends to form weld part by the fixed part rear end, and the button arm is held in weld part, reliably contacts with negative pole conducting terminal weld part to keep the external conductive casing guidance part.

3. power connector as claimed in claim 2 is characterized in that: negative pole conducting terminal weld part both sides are provided with breach, and the set button arm of external conductive casing guidance part is held in set breach.

4. power connector as claimed in claim 1 is characterized in that: guidance part, weld part are equipped with corresponding through hole.

Images