Board to board connector
Technical field
The utility model relates to a kind of Board-to-Board Electrical Connector, refers to especially a kind ofly can to peg graft mutually, with the board to board connector of electrically connect two circuit boards.
Background technology
Computer and electronics technology fast development now, and electronic product miscellaneous has been popularized in society, along with science and technology more reaches, the development trend of computer and electronic product is advanced towards the direction of miniaturization.In order to reduce the volume height of electronic product, be to develop a kind of board to board connector that is combined with plural terminals, two circuit boards can be coincided mutually and be electric connection, it mainly is that this board to board connector is set on a circuit board, on another circuit board, be provided with and the corresponding butt connector of this board to board connector, by this butt connector is plugged in this board to board connector, and this two circuit board can be electrically connected.
Known board to board connector as shown in Figure 1, be male seat connector and the female seat connector that comprises mutual grafting, this male seat connector and female seat connector all have an insulating body and plural terminals, the contact site of the terminal of this male seat connector is to be vertical shape, and the contact site of the terminal of female seat connector generally is the Z font, be to utilize the free end in contact site the place ahead of terminal Z font to be resisted against the side of vertical shape contact site, to reach electric connection.
But, the terminal of the board to board connector of commonly using is to utilize the Z font contact site front end of the terminal of female seat connector to be resisted against the contact site side of the terminal of male seat connector, so being single-point, the contact site of the terminal of female seat connector is contacted with the contact site of the terminal of male seat connector, make two-terminal chucking power to each other obviously not enough, therefore easy generation gets loose when pegging graft or the situation of loose contact produces, and then influence is transmitted smooth and easy and the reduction transmission quality.Be with, how solve the above problems and lack, be the direction place that improvement is badly in need of studying in the relevant manufacturer that is engaged in the industry.
Summary of the invention
Utility model people is because above-mentioned every problem and disappearance, be to collect related data, via assessing in many ways and consider, and to engage in the many years of experience of the industry accumulation, via constantly studying and revising, the beginning is designed the novel patent birth survivor of this kind board to board connector.
The purpose of this utility model is that a kind of board to board connector is being provided, by improvement of the present utility model, be when increasing by first connector and second connector and pegging graft mutually, the chucking power between each the first terminal and each second terminal increases the steadiness of first connector and second connector simultaneously.
The purpose of this utility model is in that a kind of board to board connector is provided, and by improvement of the present utility model, makes the terminal of second connector be easier to be assembled on second body.
For realizing the described purpose in prostatitis, board to board connector of the present utility model is made of first connector and second connector, this first connector comprises first body and plural the first terminal, this second connector comprises second body and plural second terminal, wherein this first terminal has the last contact site of U type, and last contact site forms relative inner groovy and outer groove, and this second terminal has contact site twice, and respectively is formed with salient point on twice contact sites.
The utility model compared with prior art has following conspicuous substantive distinguishing features and advantage: when first connector and second connector are pegged graft mutually, this salient point can be resisted against inner groovy respectively and reach outer groove and form electric connection, to increase each the first terminal, with the chucking power of each second terminal, and then reach strong fix and transmit effect smoothly.
Description of drawings
Fig. 1 commonly uses the side cutaway view of board to board connector.
Fig. 2 is the three-dimensional exploded view of the utility model first connector.
Fig. 3 is the three-dimensional exploded view of the utility model second connector.
Fig. 4 is the three-dimensional combination figure of the utility model first connector.
Fig. 5 is the three-dimensional combination figure of the utility model second connector.
Fig. 6 is the utility model first connector and the unconjugated sectional side view of second connector.
Fig. 7 be the utility model first connector and second connector in conjunction with the time sectional side view.
Fig. 8 is another enforcement illustration of the utility model first connector.
The figure number explanation
1 first connector
10 first bodies, 11 base plates
12 periphery walls, 121 insertion slots
13 grafting spaces, 14 ground strips
15 the first terminals, 151 weld parts
Contact site 1521 inner groovies on 152
1522 outer grooves
2 second connectors
20 second bodies, 21 terminal slots
211 caulking grooves 212 run through groove
22 protuberances, 23 insertion slots
24 ground strips, 25 second terminals
252 times contact sites of 251 base portions
2521 salient points, 253 location divisions
264 weld parts
Embodiment
For enabling further to understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing, yet appended graphic only provide with reference to and explanation usefulness, be not to be used for to the utility model limitr in addition.
Please consult Fig. 2, Fig. 3, Fig. 4, shown in Figure 5 simultaneously, be the three-dimensional exploded view for the utility model first connector, the three-dimensional exploded view of second connector, the three-dimensional combination figure of first connector and the three-dimensional combination figure of second connector, board to board connector of the present utility model as seen from the figure is made of first connector 1 and second connector 2, so describe in detail as the back with regard to the primary structure feature of this case:
First connector 1 is made up of first body 10 and plural the first terminal 15.First body 10 is to be long cuboid, and the periphery wall 12 that upwards forms in a base plate 11, periphery wall 12 has long limit and minor face, is provided with insertion slot 121 in the minor face of periphery wall 12, insertion slot 121 can be placed for ground strip 14, and base plate 11 and the periphery wall 12 common grafting spaces 13 that form.
Plural number the first terminal 15, be in advance with on the long limit that is embedded at periphery wall 12 that embeds the forming process equi-spaced apart, each the first terminal 15 is the last contact sites 152 with weld part 151 and U type, this weld part 151 is to be parallel to the base plate 11 of first body 10 and to stretch out, last contact site 152 is to be coated on the periphery wall 12, and in last contact site 152 be formed with relative inner groovy 1521 and outside groove 1522.
Second connector 2 is made up of second body 20 and plural second terminal 25.Second body 20 is to be long cuboid, also be provided with a plurality of terminal slots 21 on it relatively, each terminal slots 21 comprises the caulking groove 211 that is communicated to these second body, 20 bottoms and runs through groove 212, and 21 relative of two terminal slots are provided with protuberance 22, the front and back ends of second body 20 is provided with insertion slot 23 again, and this insertion slot 23 can be provided with for ground strip 24.
Plural number second terminal 25, be to have a base portion 251, and upwards protrude out two relative following contact sites 252 by base portion 251, form a salient point 2521 on each time contact site 252 respectively, this base portion 251 upwards protrudes out a location division 253 that is positioned at twice contact site 252 outsides in addition, and base portion 251 extends a weld part 254 laterally.
Above-mentioned member is when the group structure, the first terminal 15 of first connector 1 is to be embedded in advance on first body 10, again ground strip 14 is arranged in the insertion slot 121, promptly finish the group structure of first connector 1, this moment, the weld part 151 of conducting terminal 15 was to be positioned at the bottom of first body 10 and to stretch out in outside first body 10, and weld part 151 is for being welded on the circuit board.When group structure second connector 2, because twice contact sites 252 and location division 253 are perpendicular to base portion 251 and extend upward, so can easily plural second terminal 25 from bottom to top be placed through in the terminal slots 21 of second body 20, make twice contact sites 252 be arranged in the caulking groove 211, location division 253 is fixed in and is run through in the groove 212 simultaneously, and base portion 251 can remain in second body, 20 bottoms, 254 of this weld parts protrude from outside second body, 20 bottoms, for being welded in another circuit board.
See also Fig. 7 and shown in Figure 8, be for the utility model first connector and the unconjugated sectional side view of second connector and in conjunction with the time sectional side view, as shown in the figure: first connector 1 is from top to bottom to be inserted on second connector 2, perisporium 12 long limits can just in time be inserted in the caulking groove 211 of second connector 2 outside first connector 1, and the protuberance 22 of second connector 2 can be inserted in the grafting space 13 of first connector 1, this moment, the last contact site 152 of the first terminal 15 was to contact with twice contact sites 252 of second terminal 25, and reach electric connection, because the last contact site 152 of the first terminal 15 is provided with inner groovy 1521 and outer groove 1522, and twice contact sites 252 of second terminal 25 are provided with relative salient point 2521, so what each salient point 2521 can be firm respectively is resisted against on inner groovy 1521 and the outer groove 1522, and the first terminal 15 is to be the U type, and second terminal 25 has contact site 252 twice, so form the bilateral contact that supports, more will significantly promote chucking power stably.
See also shown in Figure 9, it is another enforcement illustration for the utility model first connector, contact site 152 also can be the form that extends internally and bend on the U type of the first terminal 15 of first connector 1 as shown in the figure, and weld part 151 also stretches out, and also be formed with inner groovy 1521 and outer groove 1522 on the U type contact site 151, and form the conducting terminal 15 of another kind of form.
Therefore, board to board connector of the present utility model is to utilize inner groovy on the contact site 151 1521 and outer groove 1522 on the U type of the first terminal 15, cooperate the design of salient point 2521 relative on twice contact sites 252 of second terminal 25, the inner groovy 1521 that is held in that salient point 2521 can be firm is respectively reached in the outer groove 1522, chucking power with second terminal 25 of the first terminal 15 that increases by first connector 1 and second connector 2, and because the last contact site 152 of the first terminal 15 and second terminal 26 and twice contact sites 252 form bilateral clamping, so not only can increase chucking power, can promote clamping stability again, and then reach strong fix and transmit effect smoothly.
Above-mentioned detailed description is at a kind of preferable possible embodiments explanation of the utility model, but this embodiment is not in order to limit claim of the present utility model, all other do not break away from the equalization of being finished under the skill spirit that the utility model discloses to be changed and modifies change, all should be contained in the claim that the utility model contains.In sum, the utility model really meets novelty, practicality and creationary patent requirement, now files an application, and expects early to grant a patent.