CN2567812Y

CN2567812Y - Electric connector

Info

Publication number: CN2567812Y
Application number: CN 02254047
Authority: CN
Inventors: 石先奎; 陈建峰
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2002-09-05
Filing date: 2002-09-05
Publication date: 2003-08-20
Anticipated expiration: 2012-09-05

Abstract

The utility model relates to an electric connector, which comprises an insulation body, a holding mechanism, and terminals contained in the insulation body, wherein, the insulation body is provided with a base part and a plurality of terminal containing slots, and extending parts with definite length are integrally extended from two opposite side surfaces of the base part; the holding mechanism is provided with a base board and a pushing part which is extended from one side of the base board and can be correspondingly inserted into the terminal containing slots; at least one hook part is arranged at the side edge of the base board corresponding to the extending part of the insulation body; the cooperation of the hook part and the extending part of the insulation body can cause the pushing part to push the tail ends of the terminals so as to cause the terminals to be positioned in the terminal containing slots.

Description

Electric connector

[technical field]

The utility model is about about a kind of electric connector, especially refers to a kind of electric connector that terminal can be securely in place in the insulating body.

[background technology]

As everyone knows, the electric connector that is used to electrically connect cable and electronic installation generally is made up of the insulating body and the terminal of accommodating wherein, because electronic building brick develops to light little direction, therefore, less conducting terminal is contained in the insulating body, and keeps its preferable fixing that electrically conducting of this power connector had bigger influence.Prior art such as United States Patent (USP) announce the 5th, 035, No. 658 a kind of connectors that disclose, this electric connector terminal borrow lock thorn provided thereon to be interlocked with the notch of electric connector insulating body in case not-go-end be connected it on cable because of being subjected to the terminal containing slot that improper external force breaks away from insulating body.But, when terminal is assembled, terminal is introduced into terminal containing slot, strain takes place with the sidewall extruding of terminal containing slot in its lock thorn, when this lock thorn arrives the notch of insulating body, this lock thorn recovers distortion and terminal is held in the terminal containing slot, therefore, the lock thorn of this terminal should have preferable elasticity, yet it is relatively poor that preferable flexible lock stings its rigidity, thereby the button that has reduced between lock thorn and notch is held power, when cable or terminal were subjected to bigger improper external force, terminal easily broke away from from terminal containing slot.In addition, if the rigidity of the lock of terminal thorn is stronger, its elasticity also must descend, therefore when the lock thorn of terminal passes through notch, therefore the strain of its recovery is not enough, thereby causes locking being held in the notch, that thorn can not be firm fully, when cable or terminal were subjected to bigger improper external force, terminal also easily broke away from from terminal containing slot.

And for example United States Patent (USP) announces the 5th, 489, the another kind of electric connector that is disclosed for No. 223, and this connector terminals borrows elastic arm provided thereon to be held in the protuberance of electric connector so that terminal is immobilizated in the connector terminals accepting groove.Yet, be held on the protuberance by recovering distortion after the flap portion after the elastic arm process strain because of this terminal, therefore the elastic arm of this terminal needs preferable elastic performance, yet, the rigidity of the terminal of preferable elastic performance must descend, thereby the retain strength that makes the elastic arm of terminal be held on the protuberance is not enough; In addition, if the elastic arm of terminal has preferable rigidity, its elasticity also must descend.Therefore, the elastic arm of terminal has stronger elasticity or rigidity, and it all can produce with United States Patent (USP) and announce the 5th, 035, No. 658 identical defectives.

[summary of the invention]

The purpose of this utility model is to provide a kind of electric connector, especially refers in a kind of insulating body that terminal can be securely in place electric connector and the preferable machinery and the electric connector of electric property are provided.

The purpose of this utility model is achieved in that and provides a kind of electric connector, this electric connector to comprise insulating body, fixing structure and be contained in terminal in this insulating body.Wherein insulating body is provided with base portion and plurality of terminals accepting groove, extends the extension of certain-length in the relative two sides of base portion one; Fixing structure is provided with substrate and extends from this substrate one side that be provided with can the corresponding withstanding part that inserts terminal containing slot, is provided with a hook part at least in the extension position of the corresponding insulating body of substrate lateral margin.

Compared with prior art, the utlity model has following advantage: after the electric connector assembling, be interlocked by the hook part of fixing structure and the extension of insulating body so that withstanding part withstands terminal ends, thus with terminal position in terminal containing slot.

[description of drawings]

Fig. 1 is the three-dimensional exploded view of the utility model electric connector.

Fig. 2 is the cutaway view along the II-II direction of Fig. 1.

Fig. 3 is the flow chart of the utility model electric connector assembly method first embodiment.

Fig. 4 is the cutaway view of fixing structure among Fig. 1 and cable assembling.

Fig. 5 be after fixing structure among Fig. 4 and the cable assembling again with the cutaway view of terminal assembling.

Fig. 6 is the cutaway view that is assembled in insulating body after fixing structure, terminal and the cable among Fig. 5 assembles in the lump.

Fig. 7 is the cutaway view that the fixing structure among Fig. 6 is held in insulating body.

Fig. 8 is the cutaway view along the VIII-VIII direction of Fig. 7.

Fig. 9 is the flow chart of the utility model electric connector assembly method second embodiment.

[embodiment]

See also Fig. 1, the utility model electric connector 1 comprises insulating body 2, is contained in plurality of terminals 3 in this insulating body 2 and the fixing structure 4 that matches with insulating body 2.Wherein this insulating body 2 comprises a base portion 20 and extends the protuberance 22 that some intervals are provided with in these base portion 20 1 end one.Run through this protuberance 22 and base portion 20 and be provided with plurality of terminals accepting groove 24, see also Fig. 6 and Fig. 8, this terminal containing slot 24 is made up of link slot 26 that runs through protuberance 22 and base portion 20 respectively and termination groove 28.Wherein link slot 26 two lateral walls are arranged with and are formed with groove 27, and this groove 27 is provided with a block wall 271 near termination groove 28 1 ends, match with the elastic arm 36 of terminal 3 being used for; Upper end, the relative both sides of the intersection of this link slot 26 and termination groove 28 is provided with the line of rabbet joint 29, with the stopper section 38 of accommodating terminal 3.Base portion 20 near the relative both side edges of fixing structure 4 one ends respectively corresponding side surface 23 one of vertical base portion 20 extend the extension 21 of certain-length, thereby it is poor with the corresponding side surface 23 formation certain height of base portion 20, and the corresponding side surface 23 of the bearing of trend of this extension 21 and base portion 20 is angled, and this angle is generally right angle or acute angle.

Terminal 3 is contained in the terminal containing slot 24 of insulating body 2, and it comprises the Access Division 30 that is used for clamping cable 5, with holding parts 32 that terminal 3 is immobilizated in terminal containing slot 24 and the connecting portion 34 that electrically contacts with another electronic installation.Wherein this holding parts 32 is provided with elastic arm 36 in its relative both sides, and the vertically extending stopper section 38 that makes progress between this elastic arm 36 and Access Division 30.Access Division 30 is oblique first snap-arms 31 and second snap-arms 33 that keeps at a certain distance away of extending in the relative both sides of terminal 3 longitudinallies.

Please in conjunction with consulting Fig. 2, fixing structure 4 is held on the insulating body 2, it is provided with a square substrate 40, extend the sidewall 42 of certain-length in vertical these substrate 40 one of these substrate 40 relative both side edges, and substrate 40 vertical these substrate 40 one between this two side 42 are extended the square withstanding part 44 of two row space certain distances.Wherein 42 keep at a certain distance away and protrude out hook part 46 to protuberance 22 directions in the two side, this hook part 46 is provided with one and colludes the face of holding 461, match with the extension 21 of insulating body 2 being used for, and the angle of 23 of the sides of this extension 21 that colludes the angle of the face of holding 461 and sidewall 42 and insulating body 2 and base portion 20 is corresponding about equally.Run through this withstanding part 44 and substrate 40 and be provided with through hole 48, this through hole 48 and substrate 40 lengthwises to the plane perpendicular, and this through hole 48 is provided with the conical surface 49 so that cable is gone into for 5 groups near substrate 40 1 ends, in addition, these through hole 48 slightly larger in diameter in the diameter of cable 5 so that cable 5 runs through wherein.

According to above-mentioned electric connector 1 structure, the assembly method one of the utility model electric connector 1 comprises following step as shown in Figure 3:

The first, preparation process

Take the ribbon stock band that constitutes cable 5,, then cable 5 one ends of gained are removed the insulation epidermis 50 of certain-length, expose the heart yearn 52 of certain-length then according to several sections cables 5 of needs intercepting of actual conditions.

The second, be inserted in step

See also Fig. 2 and Fig. 4, the through hole 48 that the processing one end correspondence of ready cable 5 in the preparation process is run through fixing structure 4, because the port of this through hole 48 is provided with the conical surface 49, thereby being convenient to cable 5 passes, and the cable 5 that passes is apart from the withstanding part 44 terminal certain-lengths of reserving, so that next step carries out smoothly.

Three, Connection Step

See also Fig. 5, cable 5 processing one end is contained in the Access Division 30 of terminal 3, first snap-arms 31 and second snap-arms 33 with terminal 3 clamps insulation appearance 50 and heart yearn 52 parts that cable 5 processing are held respectively then, thereby with terminal 3 and cable 5 firm being connected together.

Four, number of assembling steps

See also Fig. 6, number of assembling steps is with the terminal 3 corresponding terminal containing slots 24 that insert insulating body 2, because distance is greater than the width of the link slot 26 of insulating body 2 between 3 liang of elastic arms 36 of terminal, thereby generation strain, when elastic arm 36 arrives the groove 27 that link slots 26 two lateral walls are provided with, this elastic arm 36 will recover strain and be held on the block wall 271 of groove 27 (Fig. 8 consults), in case not-go-end 3 retreats; In addition, the stopper section 38 of the line of rabbet joint 29 of insulating body 2 in order to accommodate terminal 3 with restriction terminal 3 excessively extension in terminal containing slot 24, makes terminal 3 be assembled in the terminal containing slot 24 length unanimity.

Five, fasten step

See also Fig. 7, withstanding part 44 correspondences of fixing structure 4 are installed in the termination groove 28 of terminal containing slot 24 of insulating body 2, and be interlocked by the extension 21 of being located at hook part 46 and insulating body 2 on the fixing structure 4, end with the withstanding part 44 of guaranteeing fixing structure 4 is held on first snap-arms 31 of terminal 3, thereby guarantee that terminal 3 is drawn out of the terminal containing slot 24 of insulating body 2 because of excessive external force improperly, thereby further terminal 3 is securely in place in the terminal containing slot 24 of insulating body 2.

According to above-mentioned electric connector 1 structure, the utility model electric connector 1 assembly method two as shown in Figure 9, itself and method one are roughly the same, difference only is rapid two and step 3 of method one are exchanged, be terminal 3 earlier with cable 5 connections after the corresponding again hole 48 of running through fixing structure 4, so method two equally also can reach the same effect of method one.

Claims

1. electric connector, the fixing structure that it comprises insulating body, is contained in the plurality of terminals in this insulating body and matches with insulating body, wherein insulating body is provided with a base portion and plurality of terminals accepting groove, terminal accommodating is in the terminal containing slot of insulating body, it is characterized in that: base portion one end of insulating body is provided with extension, fixing structure is provided with a substrate and extends from this substrate one side that be provided with can the corresponding withstanding part that inserts terminal containing slot, and is provided with a hook part that can cooperate with extension at least in the extension position of the corresponding insulating body of substrate lateral margin.

2. electric connector as claimed in claim 1 is characterized in that: base portion one end one is extended the protuberance of some spaces certain distance.

3. electric connector as claimed in claim 1, it is characterized in that: terminal containing slot is made up of link slot that runs through protuberance and base portion respectively and termination groove, wherein the link slot two lateral walls is arranged with and is formed with groove, and upper end, the relative both sides with termination groove intersection of link slot is provided with the line of rabbet joint.

4. electric connector as claimed in claim 1 is characterized in that: it is poor that the corresponding side surface of extension and base portion forms certain altitude, and the angled extension of the corresponding side surface of this extension and base portion, and this angle is generally right angle or acute angle.

5. electric connector as claimed in claim 1 is characterized in that: terminal comprise the Access Division that is connected with cable, with another electronic installation electrically contact connecting portion and be connected the holding parts of this Access Division and connecting portion.

6. electric connector as claimed in claim 5 is characterized in that: the relative both sides of the holding parts of terminal are provided with elastic arm, and the vertically extending stopper section that makes progress between this elastic arm and Access Division.

7. electric connector as claimed in claim 5 is characterized in that: the Access Division is extended first snap-arms and second snap-arms that keeps at a certain distance away obliquely in its both sides.

8. electric connector as claimed in claim 1 is characterized in that: vertical this substrate one of the relative both side edges of substrate is extended the sidewall of certain-length, and the hook part keeps at a certain distance away and is located on this sidewall.

9. electric connector as claimed in claim 8 is characterized in that: the bearing of trend of the angle between hook part and sidewall and the extension of insulating body is corresponding about equally with the angle between the base portion corresponding side surface.

10. electric connector as claimed in claim 1 is characterized in that: run through withstanding part and substrate is provided with through hole, and through hole is provided with the conical surface near an end of substrate.