CN2399859Y - Electrical connector - Google Patents

Abstract

The utility model relates to an electrical connector, which comprises a base body, a conductive terminal and a conversion key, wherein, the base body is concavely provided with a slot, and the upper side slot edge of the slot is provided with an advance angle surface. The conversion key comprises a salient body which is provided with a conductive body, the end of the salient body is provided with a slope which can slide on the advance angle surface with being contacted on the advance angle surface of the slot, and the slope can rapidly and correctly seek a corresponding notch for insertion. So the salient body can be correctly inserted into a key way so as to be communicated with the terminal at the point, and therefore, the signal exchange of different voltage can be generated.

Description

Electric connector

The utility model is a kind of electric connector, refers in particular to a kind of conversion key that has, and can produce the electric connector of different voltages.

Be typically provided with on the computer main circuit board to expand and use electric connector, comprise the enlarging function element of network card, display card and adlib etc. with winding.At present, the sub-circuit board that expands usefulness is set with 5V and two kinds of operating voltages of 3.3V according to the demand of its real work, to bring into play normal function respectively under these two kinds of voltages.For effectively distinguishing these two kinds of operating voltages, existing electric connector comprises pedestal, conducting terminal and movable conversion key that can free transfer key position etc., wherein being concaved with on the pedestal can be for peg graft slot on it of sub-circuit board, and just is provided with the accepting hole that can accommodate conducting terminal on the two side of this slot.In addition, the position that corresponding to different operating voltage the identification protuberance must be set in the slot two side respectively is provided with first otch and second otch, optionally organizes for movable conversion key and establishes it on and constitute and discern protuberance.Also be equiped with electric conductor on the conversion key, when conversion key inserts different incisions, will produce the identification circuit of indication different operating voltage, for the System Discrimination group into the sub-circuit board voltage specification.But, existing electric connector is because the extending end both side edges of its conversion key protuberance is the less fillet of radius, rather than the bigger inclined-plane of inclined degree, so in actual mechanical process,, and can not guarantee that conversion key can both accurately promptly organize on the corresponding incision site at every turn owing to reasons such as sight line are hindered.Have, because of size relationship, conversion key might insert other positions of electric connector slot again, and the shape of whole slot is unfavorable for that also conversion key rapidly, correctly seeks corresponding incision site and planted.And the less or basic not setting of side arm length that these conversion key bossy body both sides are set, therefore in conversion key winding process if not with direction perpendicular to the slot face, when promptly departing from this vertical direction certain angle and planting, conversion key might be conflicted on the other sidewall of otch and will be not easy group and go in the electric connector.

The purpose of this utility model is to provide a kind of movable conversion key that has, and the electric connector of plant can be found out and aim to this conversion key rapidly.

The purpose of this utility model is achieved in that this electric connector includes structures such as pedestal, conducting terminal and conversion key, wherein be concaved with the slot of lengthwise shape on the side of pedestal, the both sides cell wall of this slot is provided with several along the accepting hole that is parallel to the recessed direction setting of slot and runs through sidewall, is used for accommodating corresponding conducting terminal.In addition, be provided with first otch and second otch, then be provided with on the slot inwall of the accepting hole side at two incision site places from the recessed keyway of slot in the accepting hole position that contains conducting terminal.Conversion key includes the bossy body of being located on the support body, is used for installing electric conductor.In addition, bossy body inserts the inclined-plane that the interior terminal both side edges of keyway is provided with guiding usefulness, and this inclined-plane can support just and end on the guiding angle surface of the corresponding setting of lateral margin on the slot, and slippage thereon, plants to seek corresponding otch rapidly, exactly.

In addition, the both sides of bossy body are parallel to bossy body and are provided with two side arms, and its length approaches the development length of bossy body, when conversion key is inserted in electric connector at the offset from perpendicular certain angle, these side arms can support the two side upper limb that ends electric connector with bossy body, thus the plant direction of timely correcting conversion key.In addition, these side arms can be with the firm clamping electrical connector two side of bossy body, to guarantee the linking steady character of conversion key and electric connector after conversion key inserts electric connector.

Advantage of the present utility model is: its conversion key can rapidly, correctly be sought corresponding otch and be plugged in the electric connector, when conversion key generation deflection is inserted slot, according to bossy body and on the side arm two side arms of clamping electrical connector together, thereby the plant direction is adjusted into correct direction, to guarantee that changing bond energy correctly inserts rapidly.

Below in conjunction with drawings and Examples the utility model is further described.

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

Fig. 2 is the stereogram of conversion key slippage of the present utility model on electric connector.

Fig. 3 is the cutaway view of Fig. 2 along A-A line direction.

Fig. 4 is the stereogram that conversion key generation deflection of the present utility model is adjusted signal when inserting electric connector.

Fig. 5 is the cutaway view of Fig. 4 along B-B line direction.

Fig. 6 is the cutaway view of the utility model conversion key second embodiment.

See also shown in Figure 1, the utility model electric connector 1 includes structures such as pedestal 2, conducting terminal 3, conversion key 4 and fastener 50, wherein pedestal 2 is the extension of lengthwise shape, be concaved with the tool certain depth on the one side and also be the slot 21 of lengthwise shape, this slot 21 is surrounded by two side 22,23 and can plant for board-like electronic component, and these inside sidewalls upper limbs are provided with outward extending guiding angle surface 221,231.Two side 22,23 from the side of grafting electronic component to be provided with relative another side some in a row and run through the accepting hole 24 of sidewall 22,23, wherein accommodate the conducting terminal 3 that transmission signals is used.

Please cooperate with reference to Fig. 1 and shown in Figure 3, conducting terminal 3 is housed in the accepting hole 24 of pedestal 2, it has and is used for the fixed part 32 of conducting terminal 3 strong fixs in accepting hole 24, contact site 33 then suitably extends and convexedly stretches in the slot 21, electrically connect to constitute with electronic component, in addition, terminal 3 is provided with and extends to outside the pedestal 2 electrically to be bonded on the junction surface 34 on the electronic installation.In addition, accepting hole 24 places of at least two ad-hoc locations offer first otch 25 and second otch 26 on the side of two side 22,23 grafting electronic components, the width of these otch is not less than the width of terminal accommodation holes 24, and is concaved with parallel slot 21 directions and penetrates the keyway 27 (seeing also the 5th figure) of pedestal 2 equally on the slot 21 1 side inwalls of corresponding these otch 25,26.Convex with the protuberance 28 that links into an integrated entity with two side 22,23 in appropriate position, slot 21 stage casing, and terminal 3 junction surfaces 34 convexedly stretch in to be concaved with on the appropriate location of outer pedestal 2 sides and are used for the spliced eye (not shown) of fastener 50 of pegging graft, thereby produce fixing effect (Fig. 3 with reference to) before and after electric connector 1 is connected on the main circuit board.

Again please be simultaneously referring to figs. 1 through shown in Figure 3, conversion key 4 includes a mounting 41, this mounting 41 is extended with the bossy body 42 of tool suitable length to a side, wherein the extending end both side edges of bossy body 42 is provided with the guiding structural that is used for to terminating on the guiding angle surface 221,231 corresponding on pedestal 2 slots 21, and along the shove of these guiding angle surfaces 221,231, at this moment, before conversion key 4 did not move to predetermined ad-hoc location, the bossy body 42 of conversion key 4 can't be organized (back detailed description) in slot 21 other positions owing to be restricted.This guiding structural is in the present embodiment for being parallel to the inclined-plane 421 that electric connector 1 sidewall 22,23 guiding angle surfaces 221,231 are provided with, and the width D 1 that is arranged so that bossy body 42 ends on this inclined-plane 421 is less than its Breadth Maximum or electric connector 1 slot, 21 guiding angle surfaces 221,231 space D 2 topmost, be that conversion key 4 borrows the inclined-plane 421 of bossy body 42 directly to cooperate the incline direction of guiding angle surface 221,231 and steadily install on it, can shove be set along being parallel to slot simultaneously, be planted correctly to seek corresponding otch 25,26 rapidly.In addition, the Breadth Maximum D2 of bossy body 42 is substantially equal to the width D 2 of the slot 21 that is provided with keyway 27 places, and be provided with the depression of appropriate depth at bossy body 42 peripheries, so that an electric conductor 44 of being close to bossy body 42 peripheries to be set therein, this electric conductor 44 can be conducted at the conducting terminals 3 that bossy body 42 periphery groups be gone into slot 21 backs and this place.

Please cooperate consult shown in Figure 4, the length direction that the end place that conversion key 4 mountings 41 are positioned at bossy body 42 both sides is parallel to bossy body 42 extends and is provided with a pair of side arm 43, its development length approaches bossy body 42, and be formed with breach 45 between inner wall surface thereof and the bossy body 42, otch 25,26 on the two side 22,23 of the configuration of these breach 45 and pedestal 2 is corresponding, and the width of breach 45 is substantially equal to the thickness of electric connector 1 socket sidewalls 22,23.The angle of inserting electric connector 1 process generation deflections and deflection when conversion key 4 is no more than 5 when spending (Fig. 5 solid line shows), these side arms 43 can contact with the two side 22,23 of electric connector 1 with end separately with bossy body 42 and borrow side arm 43 to produce the effect of replacing adjustment, and then make conversion key 4 turn to tram (Fig. 5 dotted line shows) along the direction opposite with deflection, guaranteeing that this conversion key 4 all the time can be correctly and promptly insert 27 of the both sides keyways of first otch 25 or second otch 26, and the signal that produces different voltages with the terminal conducting at this place switches.In addition, these long side arms 43 can provide clamping effect preferably to the two side 22,23 of electric connector 1 after 4 groups of conversion keys are gone into electric connector 1, with the steadiness of guaranteeing that electric connector 1 combines with conversion key 4.

In addition, the conversion key 4 of the utility model 1 is a plug type, as shown in Figure 3, when conversion key 4 inserts two otch 25 or 26 wherein for the moment, its breach 45 lucky corresponding two sides 22, otch 25 or 26 on 23, therefore can be in the fashionable two side 22 that mounting 41 firmly is placed on pedestal 2 of group, on 23, and the side arm 43 that makes its two ends convexedly stretches in outside 2 liang of sides of pedestal, bossy body 42 then is inserted in the keyway 27 of slot 21 both sides at otch 25 or 26 places, being located at electric conductor 44 on bossy body 42 peripheries this moment will be simultaneously contact with projecting inward conducting terminal 3 contact sites 33 of the accepting hole 24 at keyway 27 places, and make these terminals 3 become the state of connecting by original separated position, and then produce electronic signal to reach the function that circuit switches.Like this, not only can limit board-like electric component group and connect direction by means of the insertion of conversion key 4, and the electronic signal that can utilize commutation circuit changes the electrical path of main circuit board, makes it produce suitable operating voltage in advance, and direct conducting is used when pegging graft for tabular sub-circuit board.This electric connector only must be used the diverse location that conversion key 4 is plugged in existing electric connector when conversion winding form, and does not need to increase newly for this reason or change other element, can save manufacturing cost and design cost, can make assembling more convenient simultaneously.

Please refer to the cutaway view that Figure 6 shows that the utility model 1 second embodiment again, contact site 33 ' the extension that this electric connector 1 electricity is led terminal 3 is arranged in the accepting hole 24, and to slot 21 directions bendings and protrude into arc surfaced, before going into, conversion key 4 ' group is in the conducting state that is in contact with one another, and conversion key 4 ' includes a mounting 41 ' and extend the bossy body 42 ' of tool suitable length and the side arm 43 ' of bossy body 42 ' both sides from mounting 41 ' to a side, this mounting 41 ' and bossy body 42 ' are the insulation material, the contact site 33 ' that the electricity that is in the contact conducting state can be led terminal 3 when inserting in the keyway 27 is separated into the noncontact conducting state, make these terminals 3 become separately off state by original circuit turn-on state, thereby produce electronic signal to reach the function that circuit switches.

Still see also shown in Figure 6, in second embodiment of the present utility model, the sidewall 22,23 of electric connector 1 slot 21 is provided with relative guiding angle surface 221,231, and the both side edges correspondence of bossy body 42 extending ends of conversion key 4 is provided with inclined-plane 421, the bossy body both sides are provided with long side arm 43 ', the effect that these elements newly-increased or improvement are reached is identical with person described in first embodiment, does not give unnecessary details at this.

Claims (5)

1. electric connector, comprise: pedestal, conducting terminal and conversion key, wherein be concaved with lengthwise shape slot on pedestal one side, which is provided with the terminal accommodation holes that several contain corresponding conducting terminal, conversion key then is plugged on the ad-hoc location of pedestal slot, it is characterized in that: this conversion key includes the extension suitable length can be inserted in the interior bossy body of slot, and the terminal edge of this bossy body is provided with guidance part, can support and end on guiding angle surface set on the pedestal slot.

2. electric connector as claimed in claim 1 is characterized in that: guidance part is the inclined-plane that is arranged on this bossy body extending end both side edges.

3. electric connector as claimed in claim 2 is characterized in that: the corresponding guide ramp on the pedestal slot is for being arranged on the inclination guiding angle surface of slot interior sidewall surface upper limb along the slot trend.

4. electric connector as claimed in claim 2 is characterized in that: described conversion key comprises and is set in parallel in bossy body both sides and roughly isometric with bossy body side arm.

5. electric connector as claimed in claim 4 is characterized in that: the distance between described bossy body and two side equals the thickness of electric connector slot two side just.

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