CN201091037Y - Electric connector - Google Patents

Abstract

An electrical connector comprises an insulation body and a conductive terminal; the insulation body is provided with a terminal housing slot which can house the conductive terminal; the electrical connector also comprises an outer shell which forms an interface together with the insulation body. The electrical connector of the utility model enables the conductive terminal to be plugged from frontward and backward directions as well as upward and downward directions so as to facilitate the audit, thereby ensuring better performance and reducing costs.

Description

Electric connector

[technical field]

The utility model relates to a kind of electric connector.

[background technology]

At present the docking port of electric connector directly is provided with by insulating body, and terminal inserts from the insulating body rear end during assembling, makes contact site enter docking port and is used for and docks electronic component and contact.But this mode that can only insert from the rear end requires insulating body that sufficiently high channel is set, this design to electric connector brings very big puzzlement, particularly the sort of contact minister and complex-shaped connector must be sacrificed certain performance in order to assemble sometimes.

Therefore, be necessary to design a kind of electric connector, to overcome above-mentioned defective.

[utility model content]

The purpose of this utility model is to provide a kind of electric connector, and it can guarantee that electric connector keeps preferable performance.

In order to achieve the above object, the utility model electric connector comprises insulating body and conducting terminal, and described insulating body is provided with the terminal containing slot that can accommodate conducting terminal, and described electric connector also comprises shell, and insulating body and shell form docking port jointly.

Compared with prior art, the utility model electric connector both can insert conducting terminal from fore-and-aft direction, again can be from above-below direction, and convenient audit, thus not only can guarantee preferable performance but also can reduce cost.

[description of drawings]

Fig. 1 is the stereogram of the utility model insulating body;

Fig. 2 is the other direction stereogram of insulating body shown in Figure 1;

Fig. 3 is the schematic diagram behind the insulating body assembling terminal shown in Figure 1;

Fig. 4 is the other direction stereogram of Fig. 3;

Fig. 5 is the stereogram of the first terminal;

Fig. 6 is the stereogram of second terminal;

Fig. 7 is the stereogram behind Fig. 3 insulating body melten gel;

Fig. 8 is the other direction stereogram of Fig. 7;

Fig. 9 is the partial sectional view of Fig. 8;

Figure 10 is another partial sectional view of Fig. 8;

Figure 11 is the cutaway view of Fig. 8;

Figure 12 is a utility model electrical connector housing stereogram;

Figure 13 is the other direction stereogram of Figure 12;

Figure 14 is the cutaway view of Figure 12;

Figure 15 is the stereogram after insulating body, shell and the terminal assembling;

Figure 16 is the other direction stereogram of Figure 15;

Figure 17 is the b-b direction cutaway view of Figure 15;

Figure 18 is the d-d direction cutaway view of Figure 16;

Figure 19 is the stereogram of the utility model electric connector second embodiment;

Figure 20 is the three-dimensional exploded view of electric connector shown in Figure 19;

Figure 21 is another angular views of electric connector shown in Figure 20;

Figure 22 is the stereogram of the shell of electric connector shown in Figure 19;

Figure 23 is the three-dimensional exploded view of the utility model electric connector the 3rd embodiment;

Figure 24 is the partial enlarged drawing of electric connector shown in Figure 23;

Figure 25 is the three-dimensional combination figure of this electric connector shown in Figure 23;

Figure 26 is another angular views of Figure 25;

Figure 27 is the stereogram of the utility model electric connector the 3rd embodiment terminal blank.

[embodiment]

Below in conjunction with the drawings and specific embodiments the utility model electric connector is described further.

Below in conjunction with the drawings and specific embodiments the utility model electric connector is further described.

Please refer to Figure 15,16, the utility model electric connector 1 comprises insulating body 10 and the shell 11 that cooperates with insulating body 10, is provided with terminal between insulating body 10 and shell.

Please refer to Fig. 1, shown in Figure 2, insulating body 10 comprises base portion 100, base portion 100 forward and backward, and above be respectively equipped with front end face 101, rear end face 102 and end face 103, base portion is 100 forward and backward, and upside be provided with terminal containing slot, it is specially: rear end face 102 is provided with the first terminal accepting groove 104 that runs through with end face 103, and front end face 101 is provided with second terminal containing slot 105.Be provided with jube 106 104 of adjacent the first terminal accepting grooves, on the jube of rear end face 102 and end face 103, be respectively equipped with protuberance 107, also be provided with jube 106 105 of adjacent second terminal containing slots, on the jube of front end face 101, also be provided with protuberance 107, can form the fixed structure of fixed terminal after this protuberance 107 by the melten gel mode, extended meeting is described in detail after this feature.On the position of skew one segment distance in the middle of the end face 103 of insulating body, be provided with accepting groove 1031, also be provided with a groove 1032 that passes insulating body 10 in the accepting groove 1031.The outstanding respectively fixed part 1010 that is provided with on the two sides of insulating body 10, each fixed part is provided with the draw-in groove 1011 that runs through the bottom surface, this draw-in groove 1011 cooperates in order to the fixture 30 (seeing also shown in Figure 15,16) with welding, and fixture 30 is welded on the circuit board (not shown) and then and insulating body 10 is fixed on the circuit board.

Please be simultaneously with reference to Fig. 3 Fig. 4, and Fig. 5 Fig. 6, terminal comprises the first terminal 121 and second terminal 122, and first, second terminal includes connecting portion, the main part that is extended by connecting portion and by the contact site of main part extension.The first terminal 121 comprises first connecting portion 1210, first main part 1211 that is extended by first connecting portion 1210 reaches first contact site 1212 that is extended by first main part 1211, first contact site 1212 comprise be connected with first main part 1211 connect arm 12121, and be arranged at connect arm 12121 ends by connect that arm 12121 bending extends to form and can with exterior electrical components (as electronic cards, not shown) junction 12122 that connects mutually, this the first terminal 121 is arranged in the first terminal accepting groove 104, wherein, first main part 1211 is arranged in the terminal containing slot of rear end face 102, and first contact site 1212 is arranged in the terminal containing slot of end face 103.Second terminal 122 comprises second connecting portion 1220, second main part 1221 that is extended by second connecting portion 1220 reaches second contact site 1222 that is extended by second main part 1221, this second terminal 122 is arranged in second terminal containing slot 105, wherein, second main part 1221 is located in second terminal containing slot 105 of front end face 101.First main part 1210 and connecting of first contact site 1212 at the first terminal 121 is provided with first and second depressed part 1213,1214 on the arm 12121 simultaneously, and first and second depressed part 1213,1214 is staggered, avoid two depressed parts 1213,1214 are oppositely arranged, make terminal the depressed part place is being set because narrow and fracture easily, and this first, second terminal form the two rows terminal that is provided with the insulating body both sides after being installed in insulating body.

Please join simultaneously according to Fig. 7 to Figure 10, when foregoing description protuberance 107, illustrated that protuberance 107 can form the fixed structure of fixed terminal by the melten gel mode, protuberance 107 melts and the fixed structure 108 of formation fixed terminal under action of ultrasonic waves, high temperature or other method in Fig. 7 Fig. 8.Be that jube 106 ends extend to form fixed structure 108 towards terminal, the cross section of fixed structure is a mushroom-shaped, fixed structure comprise the protuberance 1080 that is positioned at the terminal side and by protuberance 1080 tops towards the terminal horizontal expansion be positioned at the terminal top fixed block 1081, the end of this fixed block 1081 does not surpass the center of terminal, be held in jointly on the same terminal by the fixed block 1081 on the two adjacent fixed structures 108, it is fixing fully that terminal is obtained.End face 103 lays respectively on the zone and first contact site, the 1212 close zones of first main part 1211 of first main part 1211 near first connecting portion 1210 of the first terminal 121 with the fixed structure 108 of rear end face 102, make on the base portion connect arm and first main part is fixed on fixed structure 108 times, the first terminal is fixed on the insulating body, first and second depressed part 1213,1214 are arranged between fixed structure 108, and correspondence is provided with and is positioned at first and second depressed part 1213 on the fixed structure 108, holding section 109 in 1214, this holding section 109 is by flowing into first after the 107 part material melts of the protuberance on the former jube behind the melten gel, second depressed part 1213, form in 1214.If depressed part is not set, when the first terminal be highlighted portion's 107 melten gels fixing after, the fixed structure 108 that melten gel forms can only be on the surface vertical with fixed structure 108 degree of freedom of control terminal, but terminal with direction that fixed structure 108 parallels on still may move, be that the first terminal can move relative to insulating body 10 on the above-below direction of front and back, reduced the first terminal in the stability in insulating body 10, flow into first and second depressed part 1213 of the first terminal when melten gel rear section plastics, in the time of in 1214, form the protuberance 1081 that holds mutually with the first terminal, the first terminal is all fixed by plastics on all directions, effectively raise the first terminal and be immobilizated in stability in the insulating body 10, prevent that rocking from appearring in terminal.Fixed structure 108 on the front end face 101 lays respectively at second terminal 122 on the zone and the second contact site 1222 close zones of second main part 1221 of second main part 1221 near second connecting portion 1220.Therefore, fixed structure 108 is with first, second terminal 121,122 more effective being fixed in the insulating body 10.Certainly, the cross section of described fixed structure also can be trapezoidal, triangle, fan-shaped or other etc. can improve the shape of fixed effect.

Please refer to Figure 11, base portion 100 extensions of insulating body are provided with holding block 1001, holding block 1001 is provided with support division 1002, and the face (its extended line be dotted line G) relative with the first terminal and external connected electronic element are (as electronic cards on the holding block 1001, not shown) direction of insertion tilts, suppose that direction shown in the A is the direction of insertion of external electronic component among the figure, there is angle between G and the A, so and face and the external connected electronic element direction of insertion relative with terminal tilts on the holding block 1001, connecting arm 12121 is formed towards support division 1002 direction diagonally extendings by first main part 1211, connect arm 12121 (its extended line is dotted line H) external connected electronic element direction of insertion inclination relatively, also there is angle between H and the A, so connecting arm 12121 relative external connected electronic element direction of insertion tilts, the angle e that face relative with the first terminal and external connected electronic element direction of insertion tilt on the holding block 1001 is less than the angle f that connects the inclination of arm and external connected electronic element direction of insertion, make and connect arm 12121 natures and the support division 1002 of elasticity pressure holding on holding block 1001, at this moment, connect and be held in supporting a little between the junction 12122 and first main part 1211 on the support division 1002 on the arm.Avoided when connect arm when contacting with whole holding block 1001 influence of easy holding block 1001 evenness connect the plane of the junction 12122 on the arm 12121, and then influence the performance of electric connector.Certainly, the direction of insertion of external electronic component is not the A direction yet, it can be the contact site of first, second terminal and any direction in the external electronic component angular range that contacted contact point forms, for example can be the direction shown in the B among the figure, the angle that face relative with the first terminal and external connected electronic element direction of insertion tilt on the holding block 1001 remains less than the angle that connects the inclination of arm and external connected electronic element direction of insertion.

Please refer to Figure 12 to Figure 16 electric connector and also comprise a shell 11 that matches with insulating body 10, jube 106 on the insulating body 10 is first jube 106, also be provided with the second corresponding jube 111 of first jube 106 on some and the insulating body 10 on the inner surface of shell 11, simultaneously, 111 of second jubes also are provided with the ribs 112 that is used to strengthen shell 11 upper surface intensity on described shell 11, ribs 112 and corresponding with the shape of first contact site of the first terminal 121, and ribs 112 projection summits are lower than the peak (as shown in Figure 17) of corresponding the first terminal 121, the position that shell 11 is corresponding with first contact site 1212 as described in showing as Figure 17 be provided with accommodate connect arm 12121 and allow junction 12122 movable dented space 119 in predetermined scope, both sides at second jube 111 of shell 11 inner surfaces are provided with and the staggered rib 113 of ribs, 114, ribs 112 and rib 113,114 can effectively strengthen the intensity of shell, avoid shell 11 because of cross thin in assembling process stress deformation or break, the intensity of shell 11 is strengthened, and also be provided with an opening 116 on shell 11 1 sides, shell 11 can be for docking the docking port 20 that electronic cards (not icon) is inserted with the insulating body common formation in 10 assembling backs, terminal under electronic cards is inserted the back and is located at shell 11 connects mutually, realizes the electric connection of electronic cards and electric connector; Shell 11 1 sides also are provided with a projection 117, it is extended downward on the side that is provided with opening 116 by shell 11 inner surfaces, form an anti-misoperation device (certainly, anti-misoperation device also can be arranged on the insulating body), after shell 11 is assembled on the insulating body 10, described projection 117 is contained in insulating body 10 accepting grooves 1031, and described projection 117 can match with the fool proof groove (not icon) on the electronic cards, avoids the user with the electronic cards wrong plug; Also be provided with one on the described projection 117 by the projection 117 downward cylinders 118 that extend, it can insert in the groove 1032 on insulating body 10 accepting grooves 1031, then with cylinder 118 fusings, at this moment the cylinder 118 that passes this groove 1032 is positioned at the size (described in Figure 16, Figure 18) of the size of cylinder end greater than the head of groove 1032, make shell 11 and insulating body 10 windings in aggregates, prevent that shell 11 in use breaks away from insulating bodies 10 and influences the normal use of electric connector.In addition, the inner surface of shell 11 antethecas also is provided with a pressure holding in the press keeping section (as shown in figure 17) of arranging termination contact portion end down.

Figure 19 to Figure 22 is the utility model electric connector second embodiment diagrammatic sketch, be with the foregoing description difference, the whole height of electric connector is lower in the present embodiment, and the insulating body 10 of this connector that is electrically connected can be fixed on the circuit board (figure does not show) by holding unit 30 jointly with shell 11.It is specially: stretching out respectively on the both ends of the surface 103 of insulating body is provided with protuberance 104, protuberance 104 is provided with the groove 105 that runs through protuberance 104, housing 11 comprises roof 111 and the rear wall 112 that is extended by roof 111 rear sides, extend the two side 113 that is provided with respectively downwards by roof 11 two ends, two side 113 stretches out respectively and is provided with second protuberance 116, second protuberance 116 is provided with the draw-in groove 117 that runs through second protuberance 116, described draw-in groove 117 both sides are provided with step surface 1171, so that draw-in groove 117 forms step trough, the cell wall of the draw-in groove 117 inboards just groove 1172 of shape that caves inward, simultaneously, in the time of outside housing is sheathed on insulating body, draw-in groove 117 is corresponding with the groove 105 on the insulating body.Holding unit 30 comprises base portion 301, the bending extension of base portion 301 bottoms is provided with weld part 302, weld part 302 is provided with the through hole 303 of accommodating scolder (not shown), the both sides of base portion 301 all extend to form stage portion 304, stage portion 304 holds cooperation mutually with step surface 1171 in the draw-in groove 117, and holding unit is fastened on the housing 11, the base portion 301 of described holding unit is inwardly given prominence near position intermediate and is provided with protruding thorn 305, this protruding thorn 305 holds cooperation mutually with groove 1172 on the draw-in groove 17 inboard cell walls, described base portion 301 passes the draw-in groove 117 of housing and the groove 105 of insulating body, and housing 11 and insulating body 10 are fixed together, and be welded on the circuit board (not shown) by weld part 302.

Please be simultaneously with reference to Figure 23 to shown in Figure 26 be the 3rd embodiment diagrammatic sketch of the utility model electric connector, electric connector comprises insulating body 3 and conducting terminal, described insulating body 3 is provided with terminal containing slot 30, described conducting terminal is contained in the terminal containing slot 30, be provided with a shell 4 in addition in the periphery of insulating body 3, this shell 4 can be used for fixing described conducting terminal, described shell 4 is provided with the fin 41 to compress terminal that can match with terminal containing slot, and be provided with an opening 40, shell can insert the electric connection of butt joint electronic component with achieve a butt joint electronic component and conducting terminal for docking the docking port 100 (as shown in Figure 3) that electronic component (not icon) inserts with the common formation in insulating body assembling back.Wherein, described insulating body 3 is provided with accepting groove 31, correspondingly, shell 4 is provided with the projection of locating this shell 4 42 that can cooperate with it, projection 42 forms an anti-misoperation device, and after shell 40 was assembled on the insulating body 3, described projection 42 was contained in insulating body 3 accepting grooves 31, and described projection 42 can match with the fool proof groove (not icon) on the electronic cards, avoids the user with the electronic cards wrong plug; Described conducting terminal comprises first conducting terminal 1 and second conducting terminal 6, described first conducting terminal, 1 conducting terminal comprises the weld part 10 that connects strip, upwards bend the main part 11 that extends by weld part 10, be provided with connecting portion 13 by main part 11 vertical extent, reach the contact site 12 that extends by connecting portion 13.

Please contrast shown in Figure 27 in addition simultaneously, the first terminal blank for the utility model electric connector, described the first terminal blank comprises plurality of conductive terminals 1 and can connect the blank 2 of described first conducting terminal 1 (same, the second conducting terminal blahk structure is identical, here repeated description no longer), first conducting terminal 1 comprises the weld part 10 that connects strip, by weld part 10 main part 11 that extends of bending upwards, be provided with connecting portion 13 by main part 11 vertical extent, reach the contact site 12 that extends by connecting portion 13.Described first conducting terminal 1 forms an angle (angle of described in the present embodiment conducting terminal and blank is 90 degree, and promptly the weld part 10 of described conducting terminal is perpendicular to blank 2) that is less than or equal to 90 degree with blank 2.The number of assembling steps of this electric connector is: 1. above-mentioned terminal blank is provided; 2. provide one the insulating body 3 of described conducting terminal and the shell 4 of fixed conductive terminals can be installed, described insulating body 3 is provided with terminal containing slot 30, and is bent to form required terminal blank again through punching press; 3. the conducting terminal on the terminal blank is correspondingly placed in the terminal containing slot 30 of described insulating body 3; 4. described shell 4 is mounted on the described insulating body 3, to compress conducting terminal, reaches the purpose of fixed conductive terminals, remove described strip again by described fin 41; 5. stamping forming stator 5 is mounted on the described insulating body 3, can fixes described electric connector by stator 5.This assemble method, can increase work efficiency, and the design of this electric connector structure is not because of plugging conducting terminal the fixed part that is fixed to insulating body, need not by force conducting terminal be pressed and be set in the insulating body, and installing to the terminal containing slot of insulating body, conducting terminal can realize zero insertion force, can not cause conducting terminal when plugging to insulating body, to deform, can guarantee that electric connector normally uses with better performance.

Claims (13)

1. an electric connector comprises insulating body and conducting terminal, and described insulating body is provided with the terminal containing slot that can accommodate conducting terminal, it is characterized in that: described electric connector also comprises shell, and insulating body and shell form docking port jointly.

2. electric connector as claimed in claim 1 is characterized in that: described shell is provided with the anti-misoperation device that prevents the electronic cards wrong plug.

3. electric connector as claimed in claim 2 is characterized in that: described insulating body is provided with the accepting groove that can accommodate anti-misoperation device.

4. electric connector as claimed in claim 1 is characterized in that: described insulating body is provided with the anti-misoperation device that prevents the electronic cards wrong plug.

5. electric connector as claimed in claim 1 is characterized in that: described insulating body is provided with groove, described shell to should groove extend be provided with the cylinder that passes this groove and be positioned at the cylinder end and size greater than the head of groove.

6. electric connector as claimed in claim 1, it is characterized in that: described conducting terminal contact site comprises that the arm that connects that is extended by main part reaches by connecting the junction that crook of the arm folding extends, and the wall that described shell is corresponding with contact site is provided with ribs, and the position of this ribs is with to connect arm corresponding.

7. electric connector as claimed in claim 6 is characterized in that: described ribs projection summit is lower than the peak of corresponding conducting terminal contact site.

8. electric connector as claimed in claim 6 is characterized in that: described ribs is located at inner surface of outer cover, also is provided with on the described inner surface and the staggered rib of ribs.

9. electric connector as claimed in claim 1, it is characterized in that: described conducting terminal contact site comprises that the arm that connects that is extended by main part reaches by connecting the junction that crook of the arm folding extends, and the wall that described shell is corresponding with contact site is provided with the dented space of accommodating junction and allowing the activity in preset range of junction arm.

10. as claim 6 or 9 described electric connectors, it is characterized in that: the wall that described shell is corresponding with contact site is provided with some jubes that are used for isolation terminal.

11. electric connector as claimed in claim 1 is characterized in that: described electric connector is provided with and passes insulating body and shell and the fixture of fixed insulation body and shell simultaneously.

12. electric connector as claimed in claim 11 is characterized in that: described shell is provided with draw-in groove and the groove that corresponds to each other and match with holding unit respectively with insulating body.

13. electric connector as claimed in claim 1 is characterized in that: described conducting terminal comprises connecting portion, and the main part that is extended by connecting portion reaches the contact site that is extended by main part, and described shell also is provided with the press keeping section of a pressure holding in the contact site end.

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