CN2406371Y - Electric connector - Google Patents

Abstract

The utility model relates to an electric connector, which comprises a shield casing, an insulation body and a conductive terminal, wherein, the conductive terminal comprises a fixing part which is engaged in interference with the insulation body of the electric connector, a contacting part which is arranged at one end of the fixing part and is contacted electrically with a terminal of a butting connector and a jointing part which is arranged at the other corresponding end of the fixing part, wherein, the contacting part is accommodated in a corresponding terminal accommodating groove in the insulation body, a proper position point of the contacting part which is butted with a groove wall of the accommodating groove is provided with a sinus, and the sinus is butted and clamped with a projection which is arranged correspondingly in the terminal accommodating groove. The conductive terminal can be positioned in the terminal accommodating groove by the structure, and the outward pop generated by the butting contact of the conductive terminal and the terminal of the butting connector can be prevented.

Description

Electric connector

The utility model is relevant a kind of electric connector, refers in particular to a kind of can effectively preventing and dock in the contact process electric connector of bullet outside the conducting terminal generation with butt connector.

The electric connector relevant with the utility model can be consulted No. 85218264 case of TaiWan, China patent application, the conducting terminal of the connector that it provided as shown in Figure 1, this conducting terminal 3 comprises wire interconnecting piece 31, fixed part 32 and contact site 33, this fixed part 32 adjacent wires connecting portions 31 and being provided with, its tool is the top end face 321 that extends of one forward from the upper surface of lead connecting portion 31, and in downward projection one sidewall 322 of the both sides of this top end face 321 difference, this sidewall 322 extends from the two side of lead connecting portion 31 311 one.In addition, upwards stretch out an elastic block piece 323 at this top end face 321, this conducting terminal contact site 33 is the strip structure of inverted V-shaped for the cross section, and the front end one of this fixed part 32 is extended certainly.Please consult Fig. 2 simultaneously, conducting terminal 3 be assemblied in insulating body 4 in, its fixed part 32 and elastic block piece 32 3 can be equipped in the wall of insulating body 4 and limit moving of conducting terminal 3 upper and lower, left and right, guarantee conducting terminal 3 fixing in insulating body 4 by this.But, this conducting terminal front end and insulating body contact area are too small, and be difficult for being positioned at conducting terminal on the conduit smoothly, and when butt connector engages with this connector, the conducting terminal of butt connector is to contact with the terminal of this connector by rubbing action, the contact site of this terminal prevents the structural design that rebounds because of tool not is any, and easily outwards ejects when contacting with the conducting terminal of butt connector, and hinders the smooth butt joint of two connectors.

The relevant design that prevents the outer bullet of conducting terminal of electric connector in the prior art, in addition can be with reference to No. 84213272 case of TaiWan, China patent application, it has disclosed a kind of L shaped conducting terminal, be provided with along extending a sidewall of setting downwards at this conducting terminal contact site front end with this conducting terminal main part vertical direction, and be provided with draw-in groove vertical with the terminal containing slot bearing of trend and that extend to insulating body inside in the terminal accommodating front of the slot correspondence of insulating body, this conducting terminal sidewall can be equipped in the corresponding draw-in groove, and prevents that conducting terminal when butt joint from because of friction outer bullet taking place.But, for this type of conducting terminal is installed, needing insulating body is divided into upper and lower two parts or adopts the unitary, injection-molded moulding to make, its manufacturing and assembling show too loaded down with trivial details and inconvenient enforcement, and also tool aforementioned being difficult for is accurately positioned in shortcoming in the conduit with conducting terminal.

The purpose of this utility model is to provide a kind of terminal containing slot that can accurately the conducting terminal group be gone into insulating body, and can prevent effectively that conducting terminal from playing the electric connector of phenomenon outside taking place when contacting with the conducting terminal of butt connector.

The purpose of this utility model is achieved through the following technical solutions: the utility model electric connector comprises shielding casing, conducting terminal and the insulating body with insulating body and conducting terminal coating, wherein conducting terminal includes with the electric connector insulating body and interferes fixed part engage, is located at fixed part one end with the contact site of the conducting terminal electric connection of butt connector and be arranged at the junction surface of the fixed part other end, wherein this contact site is contained in the insulating body in the corresponding terminal containing slot, and the appropriate position of itself and accepting groove cell wall butt is provided with notch.Insulating body is provided with several terminal containing slots, and is provided with on the terminal containing slot relevant position and deduct the mutually projection of clamping of notch.

Compared with prior art, advantage of the present utility model is: the utility model can prevent effectively that conducting terminal from rebounding, thereby guarantee that two connectors correctly dock by the special tectonic of its conducting terminal and insulating body when contacting with butt connector.

Below in conjunction with diagram and embodiment the utility model is further described.

Fig. 1 is the stereogram of the conducting terminal of existing electric connector.

Fig. 2 is provided with the cutaway view of the electric connector of conducting terminal shown in Figure 1 for group.

Fig. 3 is the three-dimensional exploded view of the utility model electric connector.

Fig. 4 is the part assembly drawing of the utility model electric connector.

Fig. 5 is the cutaway view of Fig. 4 along the A-A line.

Fig. 6 is the three-dimensional combination figure of the utility model electric connector.

Fig. 7 is the three-dimensional combination figure of another embodiment of the utility model electric connector.

See also the three-dimensional exploded view of Fig. 3 for the utility model electric connector, this electric connector 1 comprises shielding casing 10, insulating body 11 and conducting terminal 12.This shielding casing 10 is the lengthwise square body, comprise horizontal sidewall 101, longitudinal side wall 102 and inclined wall 103, wherein longitudinal side wall 102 is bent to form downwards by horizontal sidewall 101 edges, and inclined wall 103 is symmetrically set in shielding casing 10 front end downsides and horizontal sidewall 101 and longitudinal side wall 102, and because the existence of inclined wall 103, butt connector (not shown) can only insert along fixing direction, stops (this industry is called the fool proof design) otherwise be tilted wall 103.In addition, be provided with a middle part to the recessed depression 104 of insulating body inner chamber in horizontal sidewall 101 front center, be provided with the arc spring lamination 106 of medial recess at longitudinal side wall 102 front ends and depression 104 mutually concordant locating, this arc spring lamination 106 104 can cooperate with the relative member (not shown) of butt connector with fixing butt connector with caving in.In addition, be provided with one in slightly inclined to one side rear, longitudinal side wall 102 middle parts and squarely hold mouthfuls 105, with insulating body on the buckle 114 of corresponding settings engage to locate insulating body 11.

Insulating body 11 comprises docking section 110 and main part 111, wherein docking section 110 is extended setting forward by these main part 111 leading flanks, then autonomous body 111 trailing flanks of this insulating body 11 are penetrated with several terminal containing slots 112 from docking section 110 upper surfaces are logical outside being exposed to, and terminal containing slot 112 end wall of this insulating body 11 are provided with the opposite outstanding projection 113 (please join Fig. 5) that is provided with insulating body 11 docking sections 110 bearing of trends, to be used to locate the terminal 12 in the terminal containing slot 112.In addition, respectively be provided with the vertical buckle 114 that outwards protrudes in the centre position of the main part 111 relative two sides of insulating body 11, it engages with firm assembling insulating body 11 in shielding casing 10 with the mouth 105 that holds of aforementioned shielding casing 10.

Conducting terminal 12 is made by plate-shape metal strip integrated punching, include with insulating body 11 interfere engaging fixed part 121, be located at fixed part 121 1 ends with contact site 122 that electrically contacts with the conducting terminal (not shown) of butt connector and the junction surface 120 of being located at the fixed part 121 relative other ends.Wherein the fixed part 121 of conducting terminal 12, contact site 122 are positioned at same plane, and the contact site 122 of conducting terminal 12 is to extend setting forward by fixed part 121 leading flank levels, junction surface 120 is by the setting that extends back of fixed part 121 trailing flank levels, fixed part 121 exceeds contact site 122 and junction surface 120 and is fastened in the terminal containing slot 112 of insulating body 11 main parts 111, and contact site 122 is contained in the terminal containing slot 112 that exposes on insulating body 11 docking sections 110.In addition, be provided with notch 124 at the contact site 122 of conducting terminal 12 and the terminal containing slot 112 projectioies 113 corresponding places of insulating body 11, with with projection 113 clampings (please join Fig. 5) of deducting mutually, location when being beneficial to 12 groups of conducting terminals and going into terminal containing slot 112, and prevent to take place when conducting terminal 12 from docking with the butt connector terminal outer bullet.In addition, a guiding face 123 that tilts is set on the contact site 122 front end upper surfaces of conducting terminal 12, so that when butt joint, guide the conducting terminal of butt connector.In addition, the junction surface 120 of aforementioned conducting terminal 12 is extended back by fixed part 121 trailing flank levels and is provided with to be electrical connected mutually with auxiliary electronic device such as circuit board or cable etc., and the revealer of institute is a surface adhesion type conducting terminal in the present embodiment, and it is welded on the circuit board by junction surface 120.

See also Fig. 4, Fig. 5 and shown in Figure 6, during electric connector 1 assembling, conducting terminal 12 is gone into from insulating body 11 rear groups, and interfere to engage by fixed part 121 and insulating body 11 and be fixed in the insulating body 11, the projection 113 of the terminal containing slot 112 on insulating body 11 docking sections 110 then with the clamping of deducting mutually of the notch 124 of termination contact portion 122, locate and strengthen the rigidity of conducting terminal 12 with this, at last, conducting terminal 12 and insulating body 11 utilizes the corresponding mouth 105 that holds of the buckle 114 that is arranged on insulating body 11 two sides and shielding casing 10 to fasten and be contained within the shielding casing 10.

See also the three-dimensional combination figure that Figure 7 shows that another embodiment of this creation electric connector, electric connector 1 ' be with electric connector 1 difference shown in Figure 6: electric connector 1 ' shielding casing 10 ' side wall 200 ' rear end be provided with opening 201 that the junction surface of conducting terminal 12 is exposed ', be convenient to the junction surface of conducting terminal 12 and the fixing and demolition between auxiliary electronic device by this.

Claims (6)

1. electric connector, comprise shielding casing, insulating body and be arranged on conducting terminal in the insulating body of electric connector, wherein conducting terminal comprises the fixed part in the insulating body that is arranged at the terminal middle part and is fastened in electric connector, be arranged at fixed part one end with the contact site that electrically connects with the terminal of butt connector and be arranged at the junction surface of the fixed part other end to electrically connect mutually with auxiliary electronic device, insulating body includes several terminal containing slots, it is characterized in that: the contact site of conducting terminal extends forward and connects with insulating body, and be provided with notch at this butt place, and match with the projection that on the insulating body relevant position, is provided with.

2. electric connector as claimed in claim 1, it is characterized in that: the contact site of conducting terminal is to extend setting forward by fixed part leading flank level, the junction surface is by the setting that extends back of fixed part trailing flank level, and fixed part exceeds contact site and junction surface and is fastened in the insulating body.

3. electric connector as claimed in claim 2 is characterized in that: the contact site upper surface of conducting terminal is provided with guiding face.

4. electric connector as claimed in claim 3 is characterized in that: conducting terminal terminal fixed part, contact site are in same plane.

5. electric connector as claimed in claim 1 is characterized in that: shielding casing comprises that horizontal sidewall, the longitudinal side wall that bends along horizontal sidewall edge reach in the inclined wall of the horizontal sidewall of the symmetrically arranged connection of shielding casing front end downside and longitudinal side wall and tool foolproof function downwards.

6. electric connector as claimed in claim 5 is characterized in that: shielding casing also comprises the opening that the conducting terminal junction surface is exposed that horizontal in the top sidewall rear end is provided with.

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