Electric connector and assemble method thereof
[technical field]
The present invention relates to a kind of electric connector, relate in particular to the structure of terminal module and the assemble method of this electric connector of this electric connector.
[background technology]
U.S. Patent Bulletin discloses a kind of electric connector No. US6019631, and this electric connector comprises a kind of pair of connectors of stacked on top, and this comprises the first electric connector to connector and is arranged at the second electric connector of the first electric connector below.Described the first electric connector further comprises that a upper end stroma and that is L shape is contained in the upper end subgroup in the stroma of upper end.Described upper end stroma is provided with horizontal part and perpendicular to the vertical component effect of horizontal part, described horizontal part is provided with and can inserts the docking space coordinating for butt connector, and vertical component effect is communicated with docking space and is provided with some terminal grooves perpendicular to abutting direction.Described upper end subgroup is provided with a bearing part and some upper docking terminals, described on each docking terminal be provided with butt end, the horizontal ends of being extended by docking section bending and the vertical end that is vertically bent extension by the end of horizontal ends, described horizontal ends is one-body molded to be arranged on bearing part.This upper end subgroup is assembled in the horizontal part of upper end stroma, and the docking section extension of docking terminal is housed in docking space, and vertical end is housed in the terminal groove of vertical component effect.Described the second electric connector further comprises that terminal base and is contained in the lower end subgroup in the stroma of lower end.The rear wall that described lower end stroma is provided with antetheca and is oppositely arranged with antetheca, described antetheca is concaved with backward and can for butt connector, inserts the docking space of docking, and rear wall is provided with some terminal holes perpendicular to the cooperation direction of electric connector.Described lower end subgroup is provided with a supporting body and some lower docking terminals, described each time docking terminal is provided with docking section, the horizontal holding parts being extended by docking section bending and the vertical holding parts that is vertically bent extension by the end of horizontal holding parts, one-body molded being arranged on bearing part of described horizontal holding parts.This lower end subgroup is assembled in the top of lower end stroma, and the docking section extension of lower docking terminal is housed in docking space, and vertical holding parts is housed in the terminal hole of lower end stroma.Described the second electric connector is installed on the below of upper end stroma horizontal part.The electric connector of this kind of stack is provided with a plurality of terminal bases, and corresponding each terminal base is all provided with the bearing part of carrying docking terminal, and its number of elements is more, complex structure, and assembling procedure is more, and cost is larger.
Therefore, need to provide a kind of simple in structure, number of elements is less, assembling procedure is less and can cost-effective electric connector.
[summary of the invention]
Technical problem to be solved by this invention is to provide a kind of simple in structure, electric connector that cost is less.
Technical problem to be solved by this invention passes to lower technical scheme and realizes: a kind of electric connector, it is for being mounted to a circuit board, this electric connector comprises insulating body and is contained in the some terminal modules in insulating body, each terminal module comprises upper end subgroup and the lower end subgroup of stacking setting, described upper end subgroup comprises upper insulator and is installed on the some upper docking terminal on upper insulator, lower end subgroup comprises lower insulator and is installed on the some lower docking terminal on lower insulator, top and the extension of upper docking terminal that described upper end subgroup is installed on lower end subgroup are housed in lower insulator.
Compared to prior art, electric connector of the present invention is simplified the structural entity of terminal module, the terminal base structure that is about to upper end subgroup is simplified, the horizontal ends of docking terminal on only can fixing, and the vertical end of upper docking terminal rear end and the lower docking terminal of upper docking terminal all fix by the terminal base of lower end subgroup, finally reinstall in insulating body, the structure of this electric connector is less compared to the element of prior art, simple in structure, so assembly process is also less, so cost is also less.
Technical problem to be solved by this invention is also to provide a kind of assemble method of electric connector, thereby its assembling procedure is few, assembling simply can be saved man-hour.
An assemble method for electric connector, it comprises the following steps:
1) provide an insulating body that is provided with a plurality of interfaces, can insert from front to back cooperation for butt connector;
2) provide some first, second docking terminals, these first, second docking terminal among between part be connected on material strip:
3) provide one first insulating end stroma, this first insulating end stroma is provided with an opening, and aforementioned the first docking terminal packs this insulating end stroma in the material strip from opening part excision mid portion;
4) provide one second insulating end stroma, this second insulating end stroma is provided with a hyoplastron, and described hyoplastron is provided with an opening, and aforementioned the second docking terminal packs in the second insulating base and in the material strip of opening part excision mid portion;
5) top that the first insulating end stroma that the first docking terminal is housed is packed into the second insulating end stroma forms a Terminals Die group;
6) aforementioned Terminals Die is assembled into insulating body, now first, second docking terminal correspondence is housed in each interface.
Compared to prior art, the element of electric connector of the present invention is less, and therefore, the assembling procedure of this electric connector is less, and assembling is simple, can save man-hour, and further reduce cost.
[accompanying drawing explanation]
Fig. 1 is the assembling stereogram of electric connector according to the invention.
Fig. 2 is the exploded view of electric connector shown in Fig. 1.
Fig. 3 is the exploded view of another angle of electric connector shown in Fig. 2.
Fig. 4 is the exploded view of the terminal module of electric connector shown in Fig. 2.
Fig. 5 is the exploded view at another visual angle of terminal module of electric connector shown in Fig. 4.
Fig. 6 is the assembling process schematic diagram of the terminal module of electric connector of the present invention.
[embodiment]
Be a kind of electric connector 100 according to the invention as shown in Figures 1 to 5, this electric connector 100 is for being installed on the external circuit board (not shown) and for being connected with butt connector (not shown).Described electric connector 100 comprises insulating body 1, is installed on the some terminal modules 3 on insulating body 1 and is coated on the shielding casing 5 outside insulating body 1.
As shown in Figures 2 and 3, described insulating body 1 is provided with front end face 11, the rear end face 13 being oppositely arranged with front end face 11 and is connected the sidewall 15 of front end face 11 and rear end face 13.Described front end face 11 is concaved be set up in parallel some to docking port 111 backward, and each is to docking port 111 stacked on top settings, for inserting and be connected for butt connector (not shown).Described rear end face 13 is parallel to backward sidewall 15 extensions and is provided with some midfeathers 131, and these midfeathers 131 are divided into several for the receiving space 17 of host side submodule group 3 by the space between rear end face 13 and sidewall 15.Described each midfeather 131 is arranged between phase adjacency pair docking port 13.Between described upper and lower docking port 111, be provided with a space bar 133, described space bar 133 is separated upper and lower docking port 111.
As shown in Figure 4 and Figure 5, each terminal module 3 comprises upper end subgroup 7 and the lower end subgroup 9 of a stacked on top.
Described upper end subgroup 7 comprises upper insulator 71 and is installed in the some upper docking terminal 73 in upper insulator 71.Described upper insulator 71 is provided with the flat part 711 of a level and from the vertically extending vertical wall 712 of flat part 711.Between described vertical wall 712, be provided with some upper ends pilot trench 713, these upper end pilot trench 713 are separated into leading section (not label) and rearward end (not label) by flat part 711.The the first upper terminal support slot 714 and the second upper terminal support slot 715 that before and after corresponding each upper end pilot trench 713 of described leading section (not label) is provided with, are set up in parallel, be provided with the first opening 716 between described the second upper terminal support slot 715 and upper end pilot trench 713.Corresponding each upper end pilot trench 713 of described rearward end (not label) is provided with the 3rd upper terminal support slot 717.The bottom surface of described each vertical wall 712 is provided with projection 719.
The weld part 737 that described upper docking terminal 73 is provided with upper terminal horizontal part 733, the upper terminal docking section 731 and the upper terminal vertical component effect 735 extending downward vertically from upper terminal horizontal part 733 that upwards then bend backward from one end of upper terminal horizontal part 733 and is arranged at upper terminal vertical component effect 735 ends.Described upper terminal docking section 731 is connected for the terminal with butt connector (not shown), and upper terminal docking section 731 and upper terminal vertical component effect 735 are positioned at the two opposite sides of upper terminal horizontal part 733.Described upper terminal horizontal part 733 was connected on a material strip 720 before packing upper insulator 71 into, and upper terminal docking section 731 is connected in a material strip 721, and upper terminal weld part 737 is connected in a material strip 722.Described upper terminal horizontal part 733 is installed in upper end pilot trench 713, in the first upper terminal support slot 714, the second upper terminal support slot 715 and the 3rd upper terminal support slot 717.Described the first upper terminal support slot 714, the second upper terminal support slot 715 and the 3rd upper terminal support slot 717 form a plurality of interference position, the perk thereby the horizontal part 733 that has guaranteed upper docking terminal 73 can not bend on packing upper insulator 71 into time.
Described lower end subgroup 9 comprises lower insulator 91 and is installed in the some lower docking terminal 93 in lower insulator 91.Described lower insulator 91 is provided with a main body 94 and the extended hyoplastron 95 of autonomous agent 94.Described main body 94 is provided with the protuberance 941 that is parallel to electric connector 100 installation directions and the recess 942 that is connected in protuberance 941.Described protuberance 941 is provided with some upper terminal holes 943 of accommodating the upper terminal vertical component effect 735 of docking terminal 73.Described recess 942 is provided with end face 913, and described end face 913 is concaved with some lower terminal hole 944 and groove 945 downwards.Described upper terminal hole 943 all connects described main body 94 with lower terminal hole 944 and arranges.95 of the described hyoplastrons end face 913 from described recess 942 extends to form forward.945 of described grooves coordinate upper insulator 71 are fixed on to lower insulator 91 for the projection 719 with upper insulator 71.
The the first lower terminal support slot 951 and the second lower terminal support slot 953 that before and after corresponding each lower terminal hole 944 of described hyoplastron 95 is provided with, are set up in parallel.And described hyoplastron 95 is provided with the second opening 955, this second opening 955 is arranged between described the second lower terminal support slot 953 and the edge of recess 942.
Described lower docking terminal 93 is provided with lower terminal horizontal part 933, then lower terminal docking section 931 and the lower terminal vertical component effect 935 extending downward vertically from lower terminal horizontal part 933 of bending and be arranged at the weld part 937 of lower terminal vertical component effect 935 ends backward downwards from lower terminal horizontal part 933 one end.Described lower terminal docking section 931 and lower terminal vertical component effect 935 are positioned at the same side of lower terminal horizontal part 933.Described lower terminal docking section 931 is connected for the terminal with butt connector (not shown), and this lower terminal horizontal part 933 was connected on a material strip (not shown) before packing lower insulator 91 into.Described lower terminal horizontal part 933 is installed in the first lower terminal support slot 951 and the second lower terminal support slot 953, and lower terminal vertical component effect 935 fixings are contained in lower terminal hole 944.Described the first lower terminal support slot 951 and the second lower terminal support slot 953 form a plurality of interference position, the perk thereby the horizontal part 933 that has guaranteed time docking terminal 93 can not bend on packing lower insulator 91 into time.
Compared to prior art, electric connector 100 of the present invention is by the designs simplification of terminal module 3, be about to the designs simplification of the upper insulator 71 of upper end subgroup 7, this upper insulator 71 docks the horizontal part 733 of terminal 73 on only can fixing, and the vertical component effect 735 of upper docking terminal 73 i.e. rear end and the lower docking terminal 93 of upper docking terminal 73 all fixes by the lower insulator 91 of lower end subgroup 9, finally reinstall in insulating body 1, the structure of this electric connector 100 is less compared to the element of prior art, simple in structure, therefore assembly process is also less, so, cost is also less.
When this electric connector 100 is installed, according to following steps, carry out:
The first step, the upper terminal horizontal part 733 of described upper docking terminal 73 is installed on upper insulator 71 and in the first opening 716 places and excises the material strip 720 that is connected in upper terminal horizontal part 733, then according to predetermined requirement, then upper terminal docking section 731 is upwards bent backward, and excise the material strip 721 that is connected in upper terminal docking section 731, finally upper terminal vertical component effect 735 is bent vertically downward and is excised the material strip 722 that is connected in upper terminal weld part 737.Now, upper terminal horizontal part 733 is immobilizated in the first upper terminal support slot 714, the second upper terminal support slot 715, upper end pilot trench 713 and in the 3rd upper terminal support slot 717;
Second step, is installed on described lower docking terminal 93 on lower insulator 91, and from the second opening 955 excisions of hyoplastron 95, is connected in the material strip (not shown) of lower terminal horizontal part 933.Now, lower terminal horizontal part 933 is installed in the first lower terminal support slot 951 and the second lower terminal support slot 953 of hyoplastron 95 of insulator, and lower terminal vertical component effect 935 fixings are contained in lower terminal hole 944;
The 3rd step, packs the upper insulator 71 that upper docking terminal 73 is housed on lower insulator 91, to form terminal module 3 into.Now, the projection 719 of upper insulator 71 is housed in the groove 945 of lower insulator 91 recesses 942, the leading section of flat part 711 is positioned at the top of hyoplastron 95, rearward end and vertical wall 712 are positioned at the top of recess 942, and 735 fixings of upper terminal vertical component effect of upper docking terminal 73 are housed in the upper terminal hole 943 of protuberance 941.Between the leading section of described upper insulator 71 (not label) and the hyoplastron 95 of lower insulator 91, form a recess (not label), this recess corresponding matching is separated upper docking terminal and lower docking terminal in described space bar 133.
The 4th step, the terminal module 3 that assembling is formed packs insulating body 1 into.Now, the upper terminal docking section 731 of upper docking terminal 73 and part upper terminal horizontal part 733 extend in docking port 111.The lower terminal docking section 931 of lower docking terminal 93 and part lower terminal horizontal part 933 extend in lower docking port 111.94 of the main bodys of the rear end of upper insulator 73 and lower insulator 93 are housed in receiving space 17.
The 5th step, wraps in shielding casing 5 periphery of insulating body 1.
Compared to prior art, the element that electric connector 100 of the present invention relates to is less, and therefore, these electric connector 100 number of assembling steps are less, and assembling is simple, thereby has further reduced cost.
Separately, the structure of this electric connector 100 is not only applicable to have the electric connector of a pair of docking port of stacked on top, is applicable to have the electric connector of multipair docking port simultaneously yet.