CN201285820Y - Electric connector - Google Patents

Abstract

An electric connector comprises an insulating body and terminals assembled in the insulating body, wherein the insulating body is provided with a front end surface, a rear wall, a top wall and a bottom wall which all correspond to the front wall, a lateral wall provided with a clamping block, and an accommodating cavity passing through the front end surface, wherein one terminal comprises a basal part arranged on the top wall, an elastic contact arm forwards extends from the basal part into the accommodating cavity, and a fixedly holding part which bends at two sides of the basal part and is respectively provided with a clamping slot matched with the clamping block; the basal part corresponding to the top wall or the fixedly holding part corresponding to the lateral wall is provided with a raised bending part enabling the terminal to be stably and fixedly held in the insulating body.

Description

Electric connector

[technical field]

The utility model relates to a kind of electric connector, relates in particular to a kind of socket connector for the banjo grafting.

[background technology]

A kind of common electric connector, it can match with the plug that is complementary, and it is rectangular-shaped that the insulating body of this electric connector roughly is, and comprises front end face, the rear end face relative with front end face and run through the inserting groove of front/rear end.Described insulating body is striden near the front end face place and is provided with a terminal.This terminal is generally earth terminal, comprises the base portion of being located at the insulating body roof, by extending vertically downward and be immobilizated in the holding parts of insulating body sidewall respectively and by extending before base portion one side direction and extending into the elastic contact arm that matches with plug in the inserting groove in the base portion two ends.Described holding parts is provided with button and holds the hole, and described sidewall is provided with to be held the button that matches in the hole with this button and hold piece.Terminal is held the hole by button and is held and be fixed on the insulating body cooperating of piece with button.Yet because the existence of manufacturing tolerance, the button of both sides is held hole and button and is held piece and too tight or too loose cooperation often occurs, and tension causes button to hold the hole and holds piece with button and be difficult to fasten, and crosses pine and then causes becoming flexible of terminal, finally influences cooperating of elastic contact arm and plug.

Based on above-mentioned defective, necessary existing electric connector is improved.

[utility model content]

The utility model main purpose is to provide a kind of electric connector, and its terminal that has can stably be immobilizated in insulating body.

The purpose of this utility model is achieved through the following technical solutions: a kind of electric connector, the terminal that it comprises insulating body and is assembled in insulating body, described insulating body has front end face, the rear wall relative with front end face, roof, diapire, be provided with the sidewall of blocked block and run through the host cavity of front end face, wherein a terminal comprises the base portion of being located at roof, extend forwardly to the elastic contact arm of host cavity and by base portion two lateral bucklings and be respectively equipped with the holding parts of the support slot that matches with blocked block, described base portion is provided with the kink of protuberance with respect to sidewall with respect to roof or holding parts by base portion.

Compared with prior art, the utility model electric connector wherein base portion or the holding parts of a terminal is provided with the kink that swells with respect to the insulating body wall, make base portion or holding parts have elasticity, thereby make holding parts can move up and down the bigger manufacturing tolerance of absorption, this terminal is stable to be immobilizated in the electric connector thereby make.

[description of drawings]

Fig. 1 is the stereogram of the utility model electric connector.

Fig. 2 is the three-dimensional exploded view of Fig. 1.

Fig. 3 is the three-dimensional exploded view of another angle of Fig. 1.

Fig. 4 is the cutaway view of the utility model electric connector, and wherein the 6th terminal is not assembled to insulating body fully.

Fig. 5 is the cutaway view that among Fig. 4 the 6th terminal is assembled to fully insulating body.

[embodiment]

Please join Fig. 1, the utility model electric connector 100 comprises insulating body 1 and is assembled in the plurality of terminals of insulating body 1.

Please join Fig. 2, insulating body 1 has the main part 10 that roughly is cuboid.Described main part 10 comprises front end face 11, rear wall, roof 13, diapire and first, second sidewall 15,16 relative with front end face 11.Insulating body 1 also comprises the cylindrical docking section 17 of being extended forward by front end face 11 one of main part 10 and runs through insulating body 1 front end face 11 to accommodate the host cavity 18 of plug (not shown) along longitudinally.

Please join Fig. 3, offer the plurality of terminals accepting groove on the diapire 14, those terminal containing slots all are communicated with host cavity 18, comprise first, second and the 3rd accepting groove 141,142 and 143 that are positioned at the first side wall 15, and the 4th, the 5th accepting groove 144,145 that is positioned at second sidewall 16.

Described terminal comprises the first terminal 2, second terminal 3, the 3rd terminal 4, the 4th terminal 5, five terminal the 6 and the 6th terminal 7.

First accepting groove 141 is near docking section 17, is used to accommodate the first terminal 2.This first terminal 2 comprise first holding section 20 of matching with first accepting groove 141, by the end bending of first holding section 20 extend in the host cavity 18 first elastic contact arms 21 and by horizontally extending first weld part 22 in other end bending back of first holding section 20.Described first elastic contact arm 21 is provided with the first make contact 211 that can contact with plug.

Second, third accepting groove 142,143 is arranged side by side and connects respectively the rear wall 12 of main part 10.Second, third accepting groove 142,143 is accommodated second, third terminal 3,4 respectively.Described second terminal 3 is a fixed terminal, second holding section 31 that is immobilizated in second accepting groove 142 that it comprises first fixed contact 30, extended to form respectively by the two ends of first fixed contact, 30 1 sides and outwards bend horizontally extending second weld part 32 in back by the bottom of first fixed contact 30.The 3rd terminal 4 is a movable terminal, and it bottom that comprises that the 3rd holding section 40 that is provided with rectangular hollow portion 401 and is contained in the 3rd accepting groove 143, second elastic contact arm 41 that is extended towards hollow bulb 401 bendings by hollow bulb 401 1 sides reach by the 3rd holding section 40 outwards bends horizontally extending the 3rd weld part 42 in back.Described second elastic contact arm 41 is provided with the 3rd contact point 412 that extends into second contact point 411 in the host cavity 18 and be positioned at second elastic contact arm, 41 ends.When not inserting plug, the 3rd contact point 412 contacts with first fixed contact 30; After inserting plug, second contact point 411 contacts with plug, and the 3rd contact point 412 and first fixed contact 30 disconnect.

Please in conjunction with Fig. 2, the 4th, the 5th accepting groove 144,145 is arranged side by side and accommodates respectively the 4th, five terminal 5,6.Described the 4th terminal 5 is a fixed terminal, the elongated connecting portion 51 that it comprises the 4th holding section 50 that is immobilizated in the 4th accepting groove 144, extended by 50 bendings of the 4th holding section, outwards bends horizontally extending the 4th weld part 53 in back by terminal second fixed contact 52 that extends and parallel with the 4th holding section 50 of connecting portion and by 50 bottoms, the 4th holding section.Five terminal 6 is a movable terminal, the 3rd elastic contact arm 61 that it comprises the 5th holding section 60 that is immobilizated in the 5th accepting groove 145, extended by the 5th holding section 60 1 lateral bucklings and extend forward by this side bottom after outwards be bent to form horizontally extending the 5th weld part 62 again.Described the 5th holding section 61 is provided with the 5th contact point 612 that extends into the 4th contact point 611 in the host cavity 18 and be positioned at the 5th holding section 61 free terminals.When not inserting plug, the 5th contact point 612 contacts with second fixed contact 52; After inserting plug, the 4th contact point 611 contacts with plug, and the 5th contact point 612 and second fixed contact 52 disconnect.

Please join Fig. 2, second sidewall 16 of insulating body 1 is provided with an opening 161 that is connected with host cavity 18 near the centre position, and this opening 161 provides enough activity spaces for the 3rd elastic contact arm 61 of five terminal 6.Be recessed to form depressed part 162 to accommodate a dustproof film 8 around the described opening 161.Described dustproof film 8 is made by having translucent polyester material, and has viscosity, can be used for adsorbing dust, prevents that dust from entering the inside of electric connector 100.

Please join Fig. 2, described roof 13 is provided with the otch 131 that is communicated with host cavity 18 with the intersection of docking section 17.Described first, second sidewall 15,16 is provided with the blocked block 191 of a projection being concaved with a holding slot 19 respectively near docking section 17 near the middle position of holding slot 19.The 6th terminal 7 generally plays the ground connection effect and roughly is a shape, it comprises is located on the roof 13 and curved base portion 70, extends and slightly be bent to the 4th elastic contact arm 71 of otch 131 forward downwards by place in the middle of base portion 70 leading edges, and the holding parts 72 that is bent respectively and extended and match with holding slot 19 vertically downward by base portion 70 two ends.Described the 4th elastic contact arm 71 is provided with the 6th contact point 711 that extends in the host cavity 18, and when plug inserted host cavity 18, the 6th contact point 711 contacted with plug at first.Be provided with the support slot 721 that matches with blocked block 191 near the middle position of holding parts 72.Described holding parts 72 is provided with outwards horizontally extending the 6th weld part 73 of bending back at the end that cooperates with second sidewall 16.

Please join Fig. 4 and Fig. 5, the high arc shape in low two ends in the middle of base portion 70 is, it comprise be positioned in the middle of and be flat horizontal part 701 and by the adjustment part 702 of bending slightly upwards, the two ends of horizontal part 701.State adjustment part 702 and can drive moving up and down of holding parts 72 with respect to horizontal part 701 upper and lower skews.As shown in Figure 4, the 6th terminal 7 is not assembled to insulating body 1 fully, and at this moment, support slot 721 is not held in blocked block 191 fully, and both do not cooperatively interact; When two adjustment parts 702 to the 6th terminal 7 are imposed on vertically downward pressure simultaneously, adjustment part 702 strains, and move down with respect to horizontal part, be contained in fully in the support slot 721 thereby cause holding parts 72 to be moved downward to blocked block 191; Remove behind 702 applied pressures in adjustment part, adjustment part 702 elastic return and moving up with respect to horizontal part, thereby make holding parts 72 that the trend that upwards moves be arranged and blocked block 191 and support slot 721 closely cooperated, this moment the 6th terminal 7 state as shown in Figure 5.

The utility model is provided with kink (being adjustment part 702) with respect to the roof of insulating body protuberance by base portion, the base portion 70 that makes the 6th terminal is curved and have elasticity, thereby being moved up and down, holding parts 72 absorbs bigger manufacturing tolerance, to guarantee the 6th terminal 7 stable being immobilizated in the insulating body 1, realize that the 4th elastic contact arm 71 contacts with the good of plug, and make the 6th weld part 73 and the good coplane of first to the 5th weld part.It more than is preferred embodiment of the present utility model, certainly also have other execution mode, for example the holding parts of both sides is provided with the kink with respect to insulating body sidewall protuberance, promptly, outwards bending is outstanding near the base portion place to make holding parts, makes holding parts have certain elasticity.Support slot was accommodated blocked block when holding parts was under pressure; Holding parts elastic return during release pressure, support slot and blocked block precision-fit.In addition, on the holding parts blocked block can be set, and the support slot that matches with this blocked block is set on the insulating body, can reach stable cooperation equally.

Claims (10)

1. electric connector, the terminal that it comprises insulating body and is assembled in insulating body, described insulating body has front end face, rear wall, roof, the diapire relative with front end face, be provided with the sidewall of blocked block and run through the host cavity of front end face, wherein a terminal comprises the base portion of being located at roof, extends forwardly to the elastic contact arm of host cavity and by base portion two lateral bucklings and be respectively equipped with the holding parts of the support slot that matches with blocked block, it is characterized in that: described base portion is provided with the kink of protuberance with respect to sidewall with respect to roof or holding parts by base portion.

2. electric connector as claimed in claim 1 is characterized in that: the high arcuation in low two ends in the middle of described base portion is.

3. electric connector as claimed in claim 2 is characterized in that: described base portion comprise be positioned in the middle of and be flat horizontal part and by the adjustment part of bending slightly upwards, the two ends of horizontal part.

4. electric connector as claimed in claim 1 is characterized in that: described holding parts is near base portion

Outwards bending is outstanding.

5. as claim 3 or 4 described electric connectors, it is characterized in that: described sidewall comprises the first side wall and second sidewall, and described holding parts is provided with the outside horizontally extending weld part in bending back at the end that cooperates with second sidewall.

6. electric connector as claimed in claim 5 is characterized in that: described insulating body also comprises the cylindrical docking section of being extended forward by the front end face one.

7. electric connector as claimed in claim 6 is characterized in that: the boundary of described roof and docking section

Be provided with the otch that is communicated with host cavity, described elastic contact arm extends into host cavity by this otch.

8. electric connector as claimed in claim 7 is characterized in that: described terminal is an earth terminal.

9. electric connector as claimed in claim 8, it is characterized in that: offer the plurality of terminals accepting groove on the described diapire, those terminal containing slots all are communicated with host cavity, comprise first, second and the 3rd accepting groove that is positioned at the first side wall and the 4th, the 5th accepting groove that is positioned at second sidewall, described terminal also comprises first, second, third, fourth and five terminal that is contained in respectively in the described accepting groove, wherein the second, the 4th terminal is a fixed terminal, the movable terminal of the 3rd five terminal for matching with the second, the 4th terminal respectively.

10. electric connector as claimed in claim 9 is characterized in that: described second sidewall is provided with an opening that is connected with host cavity, is recessed to form depressed part to accommodate a dustproof film around the described opening.

Images