Electric connector
[technical field]
The utility model relates to a kind of electric connector, relates in particular to a kind of electric connector with novel terminal structure.
[background technology]
The electric connector that is used to connect computer and interface equipment generally includes the male and female electric connector of working in coordination, and general public connector has the hyoplastron that contains terminal, and female connectors offers groove and protrudes into terminal in the groove.In the time of in described hyoplastron is pegged graft described groove, the firm butt of the contact site of described male and female bonder terminal, thereby the reliable conducting of male and female electric connector.When the male and female electric connector matched, terminal pushed mutually, can produce certain frictional force between the terminal, and is certain for relay thereby the male and female electric connector need apply when matching.
As announce in No. 577642 Taiwan patents on February 21st, 2004, described female connectors comprises insulating body that offers terminal containing slot and the terminal that is contained in terminal containing slot, described insulating body also offers the butt joint chamber, described terminal has the docking section that protrudes into the butt joint chamber, and this docking section is provided with from docking the deflection portion that the chamber is inclined upwardly and extends into terminal containing slot; Described public connector is provided with hyoplastron and is contained in the terminal of hyoplastron both sides.When the male and female electric connector cooperated, the terminal of described public connector moved along described deflection subordinate, and the docking section of extruding female connectors terminal is contained in the described butt joint chamber until described hyoplastron.
For computer and peripheral electronic equipment, in recent years gradually to functional diversities and intelligent development, make the signal amount of required transmission in the whole system increase greatly thereupon, therefore, need electric connector and dock electric connector and can electrically connect reliably, promptly need the contact engaging and separating force that provides enough.
Thereby when the male and female electric connector was pegged graft, if the angle of inclination of above-mentioned deflection portion is relatively large, the terminal of female connectors collapsed under pressure easily; And if described docking section less protrude into host cavity, though the danger that can avoid terminal to collapse under pressure, it is not enough but to form between loose contact or male and female electric connector contact engaging and separating force between the male and female electric connector easily.
Therefore, the necessary electric connector that provides a kind of its terminal reliably to contact and can in the grafting process, not collapse under pressure with the butt joint connector terminals.
[utility model content]
The purpose of this utility model is to provide a kind of electric connector, and its terminal can reliably contact with the butt joint electric connector terminal and can not collapse under pressure in the grafting process.
For reaching above-mentioned purpose, the utility model adopts following technical scheme: the utility model electric connector comprises: insulating body, it has, and front surface reaches and the wall of front surface approximate vertical, offer terminal containing slot on the described wall, described terminal containing slot is provided with block in the position of contiguous insulating body front surface and wall; Terminal, it is contained in the terminal containing slot, the weld part that described terminal has the holding parts that is immobilizated on the insulating body, extend from holding parts one end, from the other end of holding parts elastic portion, the own elasticity portion in the terminal containing slot of extending forward extend terminal containing slot and be exposed to the contact site insulating body wall outside reach from contact site extend forward in the terminal containing slot and the leading section that can match with block.
Compared with prior art, the utlity model has following beneficial effect: the leading section of the utility model electric connector terminal matches with the block that the position of wall is provided with contiguous insulating body front surface, promptly make the deflection portion of contact site have less angle of inclination, again the docking section of terminal is located, thereby with dock electric connector when butt joint, the docking section of terminal can not collapse under pressure, and can wall is less not to be produced and the loose contact of docking electric connector because of the terminal docking section stretches out.
[description of drawings]
Fig. 1 is the three-dimensional combination figure of the utility model electric connector.
Fig. 2 is the three-dimensional exploded view of the utility model electric connector.
Fig. 3 is the cutaway view of the utility model electric connector along the A-A line.
Fig. 4 is the cutaway view of the utility model electric connector along the B-B line.
Fig. 5 is the three-dimensional combination figure of another angle of the utility model electric connector.
[specific embodiment]
Please refer to Figure 1 and Figure 2, the utility model electric connector 100 comprise the lengthwise configuration insulating body 1, be contained in the terminal in the insulating body 1 and the shielding casing 4 of sheet metal 3 and coated insulation body 1.
Described insulating body 1 has been recessed to form host cavity 11 downwards from front surface 10, two longitudinally side walls 12 and connect that the end wall 13 of this two side 12 is common to form insulation frame mouths that surround described host cavity 11, the bottom of described host cavity 11 is extended with lengthwise hyoplastron 14 from the middle part in insulation frame mouth.The lengthwise two sides of described hyoplastron 14 are called wall (not label), described wall is approximately perpendicular to the front surface 10 of insulating body 1, contain two on the described wall and arrange terminal 21 and several power supply terminals 20 that is used for transmission signals, described power supply terminal 20 is positioned at the two ends of the terminal 21 of every row's transmission signals; In the present embodiment, described every row's terminal 21 1 ends are provided with the power supply terminal 20 of a broad, and the other end is two narrower power supply terminals 20.Described sheet metal 3 is contained in the hyoplastron 14 and between two row's terminals 21 along the bearing of trend of hyoplastron 12.Described shielding casing 4 is taken out for one and is drawn moulding, and it is coated on the insulation frame mouth of electric connector 100.
Please refer to Fig. 2 and shown in Figure 3, offer the terminal containing slot 141 that is used to accommodate terminal on the wall of described hyoplastron 14, also offer the power supply terminal accepting groove 140 that is used to accommodate power supply terminal 20 on the wall of the both sides of described terminal containing slot 141.Described terminal containing slot 141 is provided with block 142 in the position of contiguous insulating body 1 front surface 10 and wall, and described block 142 has the inclined-plane 144 towards terminal containing slot 141 inwalls 143.Described terminal 21 is contained in the terminal containing slot 141, described terminal 21 have the holding parts 22 that is immobilizated on the insulating body 1, from holding parts 22 1 ends be approximately perpendicular to weld part 23 that holding parts 22 extends in the bottom of insulating body 1, elastic portion 24, the own elasticity portion 24 in the terminal containing slot 141 of extending before the other end of holding parts 22 is tilted to extend terminal containing slot 141 and be exposed to contact site 25 hyoplastron 14 walls outside and reach from contact site 25 and extend leading section 26 in the terminal containing slot 141 forward.Described contact site 25 has forward and to deflection portion 251 that terminal containing slot 141 deflections are extended, described leading section 26 is to extend upward from deflection portion 251, and described leading section 26 has the retaining that can be against on the block 142 and leans on the extension (not label) of portion 261 and deflection portion 251 by portion 261 and connection retaining, in the present embodiment, described extension and deflection portion 251 are positioned on the same bearing of trend and described extension does not keep off and being against on the block 142, being described block 142 is trapezoidal perpendicular to the section of front surface 10 and wall, thereby the bottom that makes block 142 can be because of too not thin and squeezed broken formation chip in docking operation.The inclined-plane 144 of described block 142 is roughly along extending by the identical direction of portion's 261 bearing of trends with retaining.The retaining of described leading section 26 is resisted against on the inclined-plane 144 by portion 261.Described retaining is big than the angle between deflection portion 251 and hyoplastron 14 walls by the angle between portion 261 and hyoplastron 14 walls, promptly retaining bends certain angle by portion 261 with respect to deflection portion 251, this terminal configuration can make described deflection portion 251 walls with respect to described hyoplastron 14 have less relatively angle of inclination, and block 142 can have bigger thickness, thereby when electric connector 100 cooperates with the butt joint electric connector, terminal 21 can not collapse under pressure, and block 142 can not squeezed broken.
In the present embodiment, the retaining of described terminal 21 can be pressed against on the inclined-plane 144 of block 142 by portion 261, and retaining applies certain throw-on pressure by 261 pairs of inclined-planes 144 of portion; Described retaining also can only be posted by on the inclined-plane 144 of block 142 by portion 261, and and 144 effects that do not have power in inclined-plane; Described retaining by portion 261 also can and inclined-plane 144 between at interval less clearance setting.Yet it is the mode of the best that above-mentioned three kinds of modes only are posted by on the inclined-plane 144 of block 142 with retaining by portion 261.The retaining of this kind mode does not have the effect of power by 261 pairs of blocks 142 of portion, can not constitute the intensity burden and can guarantee electric connector 100 and the reliable butt joint of docking electric connector by retaining by the wall location of 261 pairs of contact sites 25 of portion again simultaneously with respect to hyoplastron 14 to block 142.
Please refer to Fig. 1, Fig. 2 and shown in Figure 4, its bearing of trend of front surface upper edge of described hyoplastron 14 offers slit 145, this slit 145 on the hyoplastron 14 two row terminals 21 between.Described sheet metal 3 is contained in the described slit 145.Described sheet metal 3 comprises the main part 30 of lengthwise, two maintaining parts 31 of being extended by the two ends of main part 30 1 sides respectively downwards, and wherein a maintaining part 31 continues to be extended with the welding foot 311 that is immobilizated in the slit 145 and stretches out the bottom of insulating body 1 downwards.
Please refer to Fig. 1, Fig. 2 and shown in Figure 5, described shielding casing 4 is taken out for one and is drawn moulding, second lamellar body 43 that it comprises the framework 41 of covering wall around the host cavity 11, is extended first lamellar body 42 that is used to cover sidewall 12 upper surfaces and outer surface and extended the upper surface that is used to cover end wall 13 by framework 41 bendings by framework 41 bendings.The middle part that two ends of described first lamellar body 42 are extended with first tabling piece, 421, the first lamellar bodies 42 downwards is extended with second tabling piece 422 downwards.The middle part of described second lamellar body 43 bending downwards is extended with the 3rd tabling piece 431.
The both sides of the end wall 13 of described insulating body 1 are provided with first projection 132 of L type, and the horizontal component of this first projection 132 is affixed on the terminal of sidewall 12 and flushes with the bottom of insulating body 1.The horizontal component of this projection 132 offers and holds the chimeric hole (not label) of first tabling piece 421.The bottom, middle part of described sidewall 12 is provided with second projection 133, offers on this second projection 133 to hold the chimeric embedded hole 134 of second tabling piece 422.The middle part of described end wall 13 offers the embeded slot 131 that is used to accommodate the 3rd tabling piece 431 that extends from upper surface downwards, and this embeded slot 131 connects the outside of end wall 13.
Please refer to Fig. 2 and shown in Figure 5, described electric connector 100 also comprises angle 5 and reference column 6.Described reference column 6 is and the insulating body 1 one-body molded cylinder that is extended downwards by insulating body 1 bottom.Described angle 5 is the elongated lamellar body of metal material, and two ends of described hyoplastron 14 and middle part offer respectively and hold the location hole 146 that angle 5 inserts, and an end of described angle 5 extends the bottom of insulating body 1, and the other end is fastened in the location hole 143.When electric connector 100 was soldered to main circuit board, angle 5 and reference column 6 all played the effect to electric connector 100 pre-determined bit.