[description of drawings]
Fig. 1 is the three-dimensional combination figure of installing in first preferred embodiment of the utility model bayonet connector behind expansion board module and the circuit board.
Fig. 2 withdraws from stereogram behind the bayonet connector for expansion board module among Fig. 1 and circuit board.
Fig. 3 is the diagrammatic sketch of another angle of Fig. 2.
Fig. 4 is the three-dimensional exploded view of bayonet connector among Fig. 2.
Fig. 5 is the diagrammatic sketch of another angle of Fig. 4.
Fig. 6 is the cutaway view along the A-A line direction among Fig. 2.
Fig. 7 is the cutaway view along the B-B line direction among Fig. 1.
Fig. 8 is the stereogram when in second preferred embodiment of the utility model bayonet connector expansion board module and circuit board not being installed.
Fig. 9 is the three-dimensional combination figure of installing in the 3rd preferred embodiment of the utility model bayonet connector behind expansion board module and the circuit board.
Figure 10 withdraws from stereogram behind the bayonet connector for expansion board module among Fig. 9 and circuit board.
Figure 11 is the three-dimensional exploded view of bayonet connector among Figure 10.
Figure 12 is the diagrammatic sketch of another angle of Figure 11.
Figure 13 is the cutaway view along the C-C line direction among Figure 10.
[embodiment]
See also Fig. 1 to first preferred embodiment that Figure 7 shows that the utilitymodel bayonet connector 100, the utilitymodel bayonet connector 100 is in order to peg graft a PCI-Eexpansion board module 800 and being welded on the circuit board 900.Describedbayonet connector 100 comprises theplastic cement body 1 of lengthwise and is immobilizated in plurality ofconductive terminals 2 on the plastic cement body 1.Describedexpansion board module 800 is provided with in order to thedocking section 801 that connects with describedbayonet connector 100, and described docking section is respectively equipped with the conductingstrip 802 of a row in order to electrically connect with conductingterminal 2 in both sides about in the of 801.Describeddocking section 801 also is provided with thelocation notch 803 that is arranged with backward from front end.Describedcircuit board 900 1 sides are provided with the somebonding pads 901 that become two rows to arrange along fore-and-aft direction.Describedcircuit board 900 also is provided with two location holes that run through up and down 902 that lay respectively at both sides and thekeyway 903 that is arranged with backward from front end.
See also Fig. 1 to shown in Figure 5, describedplastic cement body 1 is lengthwise type design, and be provided with thefront end face 11 that lays respectively at the rear and front end andrear end face 12, fromfront end face 11 depressions with lengthwise typefirst host cavity 13 of accommodating describedexpansion board module 800 andsecond host cavity 14 that is positioned atrear end face 12 rears to accommodate described circuit board 900.Describedplastic cement body 1 is formed withroof 15 that is positioned at first host cavity, 13 tops and thediapire 16 that is positioned at first host cavity, 13 belows.Be respectively equipped with someterminal containing slots 17 ofplastic cement body 1 that run through backward on describedroof 15 and thediapire 16 with fixing conducting terminal 2.Describedterminal containing slot 17 becomes the elongate design along the vertical direction.Describedterminal containing slot 17 front sides are connected withfirst host cavity 13 along the vertical direction, rear side is communicated withsecond host cavity 14 backward.Describedplastic cement body 1 also is provided with the slot to makeway 150 that therear end face 12 fromroof 15 rear ends caves in forward.Terminal containing slot 17 on the describedroof 15 is communicated with slot to makeway 150 backward, and theterminal containing slot 17 on thediapire 16 upwards is communicated with described slot to make way 150.Describedplastic cement body 1 be provided with the dividingplate 131 that extends infirst host cavity 13 withexpansion board module 800 onlocation notch 803 interlock and hold.Described dividingplate 131 is separated intofirst host cavity 13 two parts varying in size to preventexpansion board module 800 misplugs or anti-inserting.
Describedplastic cement body 1 also is provided with and reaches outward extending firstposition limit arm 151 from both sides,roof 15 rear end respectively backward, and reaches backward respectively from both sides, diapire 16 rear end and to be outward extended with and first position limit arm, 151 corresponding second position limit arms 161.Described firstposition limit arm 151 and secondposition limit arm 161 are provided with at interval along the vertical direction, and describedsecond host cavity 14 is along the vertical direction between firstposition limit arm 151 and secondposition limit arm 161, and run throughplastic cement body 1 along longitudinally.Describedcircuit board 900 can be plugged between firstposition limit arm 151 and secondposition limit arm 161 to prevent thatcircuit board 900 from teetertottering.Describedfirst host cavity 13 is provided with along first center line ofexpansion board module 800 direction of insertion, describedsecond host cavity 14 is provided with along second center line ofcircuit board 900 installation directions, and described first center line and second center line are located on the same line to satisfy the design requirement of electronic equipment (not shown).So be provided with, whenexpansion board module 800 be plugged into be installed on thecircuit board 900 on the utilitymodel bayonet connector 100 again after, the center line of the center line of describedexpansion board module 800 andcircuit board 900 also is located on the same line.Really, be positioned on the basis inrear end face 12 dead asterns at describedsecond host cavity 14, described first center line and second center line also can be along the settings of staggering ofplastic cement body 1 above-below direction, so that the center line ofexpansion board module 800 andcircuit board 900 is offset mutually to satisfy other design requirements of electronic equipment.Described firstposition limit arm 151 is provided withfirst groove 1511 that caves in backward from the top front end andsecond groove 1512 that caves in forward from the rear end, bottom, and described first groove, 1511 rear ends and second groove, 1512 front end edge above-below directions connect mutually to form one first perforate 1513.Described secondposition limit arm 161 is provided with the3rd groove 1611 that caves in backward from bottom front and the4th groove 1612 that caves in forward from top rear, and described the3rd groove 1611 rear ends and the4th groove 1612 front end edge above-below directions connect mutually to form one second perforate 1613.This shows, described first perforate 1513 and second perforate 1613 are formed by the first openforward groove 1511, the3rd groove 1611 and open backwardsecond groove 1512, the4th groove 1612 mutual superposition respectively, so can use mould to break away fromplastic cement body 1, the convenient manufacturing along fore-and-aft direction with these grooves of moulding.Described second perforate 1613 is corresponding mutually along the vertical direction with first perforate 1513.
Describedplastic cement body 1 also be provided with inrear end face 12 extends rearwardly intosecond host cavity 14key portion 18 withcircuit board 900 onkeyway 903 buckle mutually.Describedkey portion 18 is corresponding along fore-and-aft direction with dividing plate 131.Describedkey portion 18 thickness along the vertical direction is identical with the thickness of circuit board 900.After describedcircuit board 900 is installed insecond host cavity 14 forward, first, second perforate 1513,1613 consistencies from top to bottom on thelocation hole 902 on thecircuit board 900 and firstposition limit arm 151 and secondposition limit arm 161, thus can adopt screw (not shown) to pass first perforate 1513,location hole 902 and second perforate 1613 along the vertical direction so that the utilitymodel bayonet connector 100 andcircuit board 900 are fixed together.
See also Fig. 2 to shown in Figure 7, described conductingterminal 2 directly adopts the plane technology for blanking to be made, and becomes two rows to be distributed on the plastic cement body 1.Described conductingterminal 2 comprises and is fixed in some first conductingterminals 21 on theroof 15 and is fixed in some second conductingterminals 22 on the diapire 16.First contact site 212 that each first conductingterminal 21 is provided withfirst holding parts 211 in the terminal containing slot that is fixed on theroof 15 17, extend forward from first holding parts, 211 front ends, first connectingportion 213 that extends from the bending of first holding parts, 211 rear ends and from horizontally extending backwardfirst weld part 214 of first connecting portion, 213 ends.Describedfirst contact site 212 protrudes into downwards infirst host cavity 13 to connect the conductingstrip 802 on theexpansion board module 800 and to be arranged in the upper side position of first host cavity, 13 first center lines.Described first holding parts, 211 slabbings extend along the vertical direction.Described first connectingportion 213 extends to the upper outer ofsecond host cavity 14 along the vertical direction and does not extend plastic cement body 1.Described first connectingportion 213 comprise from the rear end offirst holding parts 211 directly upwardly extending first vertical portion 2131 and extend back earlier from 2131 tops, first vertical portion, first transverse part 2132 that forms of downward-sloping extension again.Described first vertical portion 2131 is positioned atterminal containing slot 17 rear sides on theroof 15, and described first transverse part, 2132 parts are positioned at the top of slot to makeway 150 and extend backrear end face 12, and are positioned at the upper outer ofsecond host cavity 14 along the vertical direction.Describedfirst weld part 214 from first transverse part, 2132 ends backward horizontal-extending form and become several rows of and list between two first position limitarms 151 alongplastic cement body 1 longitudinally, and be positioned at the top ofkey portion 18 along the vertical direction.Got by above,first contact site 212 of described first conductingterminal 21 andfirst weld part 214 lay respectively infirst host cavity 13 upper side position of second center line in first center line andsecond host cavity 14 alongplastic cement body 1 above-below direction.
Second contact site 222 that described second conductingterminal 22 is provided withsecond holding parts 221 in the terminal containing slot that is fixed on thediapire 16 17, extend forward from second holding parts, 221 front ends, second connectingportion 223 that extends from the bending of second holding parts, 221 rear ends and from horizontally extending backwardsecond weld part 224 of second connecting portion, 223 ends.Describedsecond contact site 222 upwards protrudes into the conductingstrip 802 that is positioned atexpansion board module 800 opposite sides infirst host cavity 13 with connection.Described second holding parts, 221 slabbings extend along the vertical direction.Described second connectingportion 223 extends up through second host cavity, 14 the place aheads from second holding parts, 221 rear ends and is positioned at the rear side and the downside of first connecting portion 213.Described second connectingportion 223 comprise from the rear end ofsecond holding parts 221 directly upwardly extending second vertical portion 2231 and extend back earlier from second vertical portion 2231, second transverse part 2232 that forms of downward-sloping extension again.Described second vertical portion 2231 parts are contained interminal containing slot 17 rear sides on thediapire 16 and are upward through the front end ofsecond host cavity 14 and extend to described slot to makeway 150 tops.Described second vertical portion 2231 is positioned at the rear side of first vertical portion 2131.Described second transverse part 2232 is positioned at the downside ofrear end face 12 rear sides and first transverse part 2131.Describedsecond weld part 224 alongplastic cement body 1 longitudinally between two first position limitarms 151, along the vertical direction be positioned atkey portion 18 above and first transverse part 2132 below and be positioned at the front side offirst weld part 214 along fore-and-aft direction.Describedsecond weld part 224 also becomes row's setting and in the same plane to weld mutually with the two row'sbonding pads 901 that are positioned atcircuit board 900 the same sides withfirst weld part 214 alongplastic cement body 1 longitudinally, so be provided with, can do not change that center line at the center line ofexpansion board module 800 andcircuit board 900 is located on the same line or the basis of skew up and down on, make and to brush scolding tin to weld atcircuit board 900 with one side in the installation process with two row's weld parts 214,224, convenient to operation, can enhance productivity.In addition, got by above,second contact site 222 of described second conductingterminal 22 is arranged in the lower position of first host cavity, 13 first center lines, andsecond weld part 224 is arranged in the upper side position of second host cavity, 14 second center lines.
When the utilitymodel bayonet connector 100 is installed oncircuit board 900,rear surface 12 by describedplastic cement body 1 offsets with the front end ofcircuit board 900 and moves excessively backward withrestriction bayonet connector 100, and thekeyway 903 on thekey portion 18 byplastic cement body 1 rear end and thecircuit board 900 mutually buckle to prevent oppositely or wrong installation.After describedbayonet connector 100 was installed on thecircuit board 900, described second vertical portion 2231 was positioned at the dead ahead ofcircuit board 900.
See also second preferred embodiment that Figure 8 shows that the utilitymodel bayonet connector 300, the structure of thebayonet connector 100 in the describedbayonet connector 300 and first preferred embodiment is roughly the same, unique difference is: wherein thebayonet connector 100 in first preferred embodiment is provided with corresponding up and down two couples, firstposition limit arm 151 and secondposition limit arm 161, and passes perforate 1513,1613 on the position limit arm 151,161 and thelocation hole 902 on thecircuit board 900 so thatbayonet connector 100 andcircuit board 900 are fixed together by screw additionally is set; Reach outward extending a pair of firstposition limit arm 351 respectively backward from the both sides,roof 35 rear end ofplastic cement body 3 and only be provided with on thebayonet connector 300 in second preferred embodiment, and be respectively equipped with on this firstposition limit arm 351reference column 3514 that extends downwards withcircuit board 900 onlocation hole 902 fix, be provided with someelongated shape fins 3515 that extend along the vertical direction around the describedreference column 3514 so that form tight fit between thelocation hole 902 onreference column 3514 and the circuit board 900.Identical in the structure of other structures ofplastic cement body 3 and conducting terminal 4 and first preferred embodiment in this second preferred embodiment in addition, thus also can reach with first preferred embodiment in identical convenient welding and the purpose of enhancing productivity.
See also Fig. 9 to the 3rd preferred embodiment that Figure 13 shows that the utility model bayonet connector 500.Describedbayonet connector 500 also includes aplastic cement body 5 and is retained on plurality ofconductive terminals 6 on the plastic cement body 5.Describedplastic cement body 5 also is provided with fromfront surface 51 and caves in backward withfirst host cavity 53 of accommodating an expansion board module 800 ' andsecond host cavity 54 that is positioned at 52 rears, rear surface accommodating a circuit board 900 ', and second center line of first center line of describedfirst host cavity 53 andsecond host cavity 54 is located on the same line or skew along the vertical direction.Describedplastic cement body 5 also is provided with two pairs ofposition limit arms 55 that 52 two ends extend back from the rear surface respectively.Each is to being provided with an acceptinggroove 551 that caves in forward from the rear end, and being connected in each along the vertical direction to the projection between theposition limit arm 55 552 between the position limit arm 55.Described acceptinggroove 551 is connected withsecond host cavity 54 so thatsecond host cavity 54 is limited in each along the vertical direction between theposition limit arm 55 alongplastic cement body 5 longitudinallies.Describedprojection 552 rear ends are positioned at the rear ofrear surface 52 and insert excessively forward with restricting circuits plate 900 ' alongplastic cement body 5 fore-and-aft directions.Describedplastic cement body 5 is formed withroof 58 that is positioned at first host cavity, 53 tops and thediapire 56 that is positioned at first host cavity, 53 belows.Be respectively equipped with someterminal containing slots 57 ofplastic cement body 5 that run through backward on describedroof 58 and thediapire 56 with fixing conducting terminal 6.Form anaccommodation space 554 betweenprojection 552 on described two pairs of position limitarms 55 andrear surface 52 androof 58 tops and diapire 56 bottoms to accommodate conducting terminal 6 rear sides.。
Described conductingterminal 6 is by punching press is bent to form and becomes two rows to be distributed on theplastic cement body 5 to metal material belt.Described conductingterminal 6 comprises and is fixed in some first conductingterminals 61 on theroof 58 and is fixed in some second conductingterminals 62 on the diapire 56.First contact site 612 that each first conductingterminal 61 is provided withfirst holding parts 611 in the terminal containing slot that is fixed on theroof 58 57, extend forward from first holding parts, 611 front ends, from first holding parts, 611 rear ends first connectingportion 613 that extends of bending downwards and from horizontally extending backwardfirst weld part 614 of first connecting portion, 613 ends more backward earlier.Describedfirst contact site 612 protrudes into downwards infirst host cavity 53 to connect the conducting strip 802 ' on theexpansion board module 800 '.Described first connectingportion 613 comprises firsttransverse part 6131 that directly extends back from the rear end offirst holding parts 611 andfirst rake 6132 that forms from the 6131 downward-sloping extensions of first transverse part.Described firsttransverse part 6131 is contained in describedaccommodation space 554 tops.Describedfirst rake 6132 extends rearwardly into second host cavity, 54 tops.Describedfirst weld part 614 becomes several rows of alongplastic cement body 1 longitudinally lists between theposition limit arm 55, and is positioned at the upper outer ofsecond host cavity 54 along the vertical direction.Got by above,first contact site 612 of described first conductingterminal 61 andfirst weld part 614 lay respectively infirst host cavity 53 upper side position of second center line in first center line andsecond host cavity 54 alongplastic cement body 5 above-below directions.
Second contact site 622 that eachsecond conducting terminal 62 is provided withsecond holding parts 621 in the terminal containing slot that is fixed on thediapire 56 57, extend forward from second holding parts, 621 front ends, from second holding parts, 621 rear ends earlier backward, second connectingportion 623 that extends downwards again and from horizontally extending backwardsecond weld part 624 of second connecting portion, 623 ends.Describedsecond contact site 622 upwards protrudes into the conducting strip 802 ' that is positioned at expansion board module 800 ' opposite side infirst host cavity 53 with connection.Described second connectingportion 623 comprises secondtransverse part 6231 that directly extends back from the rear end ofsecond holding parts 621 and is inclined upwardly from secondtransverse part 6231 and extendssecond rake 6232 that forms.Described secondtransverse part 6231 is contained in describedaccommodation space 554 belows.Described secondtransverse part 6231 is positioned at the downside of first transverse part 6131.Describedsecond rake 6232 be positioned at along the vertical direction firsttransverse part 6131 the below, be positioned at the place ahead offirst rake 6132 and extend in opposite directions along fore-and-aft direction with first rake 6132.Describedsecond weld part 624 extends rearwardly into the upper side position of second center line insecond host cavity 54 and is positioned at the front side offirst weld part 614 along fore-and-aft direction.Describedsecond weld part 624 also becomes row's setting and in the same plane to weld mutually with the two row's bonding pads 901 ' that are positioned at circuit board 900 ' the same side withfirst weld part 614 alongplastic cement body 1 longitudinally, so be provided with, also can not change that center line at the center line of expansion board module 800 ' and circuit board 900 ' is located on the same line or the basis of skew up and down on, make and to brush scolding tin to weld at circuit board 900 ' with one side in the installation process with two row's weld parts 614,624, convenient to operation, enhance productivity.In addition, got by above,second contact site 622 of described second conductingterminal 62 is arranged in the lower position of first host cavity, 53 first center lines, andsecond weld part 624 is arranged in the upper side position of second host cavity, 54 second center lines.
When the utilitymodel bayonet connector 500 is installed on circuit board 900 ', offset by each front end and to move excessively backward, and cause circuit board 900 ' front end to replacesecond rake 6232 and make 6232 distortion of second rake withrestriction bayonet connector 500 to the projection between theposition limit arm 55 552 andcircuit board 900 '.After describedbayonet connector 500 was installed on the circuit board 900 ', describedsecond rake 6232 passed circuit board 900 ' front end along the vertical direction.
In sum, it below only is preferred embodiment of the present utility model, should not limit scope of the present utility model with this, promptly every simple equivalent of doing according to the utility model claims and description changes and modifies, and all should still belong in the scope that the utility model patent contains.