CN101997197A

CN101997197A - Connector

Info

Publication number: CN101997197A
Application number: CN2010102611938A
Authority: CN
Inventors: 酒井央丞; 桥本俊辅; 志田祐一
Original assignee: Matsushita Electric Works Ltd
Current assignee: Panasonic Electric Works Co Ltd
Priority date: 2009-08-24
Filing date: 2010-08-23
Publication date: 2011-03-30
Anticipated expiration: 2030-08-23
Also published as: CN101997197B; KR20110023767A; TWI429139B; TW201117480A; JP2011044405A; KR101141107B1

Abstract

The present invention provides a connector, capable of improving locating precision of a conductor relative to a connection position of the connector, and improving reliability of electric connection. A contact (3) connects a support part (31) and a spring part (32) arranged oppositely in a direction of inserting the conductor to form a continuous body by a connection part (33), the support part is abutted to an inner face of a connector main body (2), and one end part of a conductor insertion port (21) of the spring part is held in the connector main body in a freely moving manner. The support part and the spring part have claws (35a, 32a) for holding the conductor (100). The support part is provided with a locating projection (37) abutted to a front end part of the conductor and arranged in a front position relative to the claws in the direction of inserting the conductor. When an operation element (5) is rotated to an anti-falling-off position, a cam part (51) pushes a front position of the spring part relative to the locating projection in the direction of inserting the conductor so as to make the spring part to elastically deform, such that the claw (32a) is contacted with the conductor elastically.

Description

Connector

Technical field

The present invention relates to connect the connector of the such lead of flexible printed circuit board (Flexible Printed Circuits).

Background technology

In the past, as the connector that keeps the such lead of FPC, the connector of record in the patent documentation 1 was arranged.This connector has connector body 60, the many contacts 70 that are maintained at respectively on the connector body 60 of plug lead 100 shown in Fig. 7 (a) and (b), and rotates the operating parts 80 freely be maintained on the connector body 60, make many contacts 70 and lead 100 contacts or separate according to rotating operation.

Connector body 60 is at the both ends opening of the left and right directions of Fig. 7 (a), from the lead insertion mouthful 61 insertion leads 100 in left side.

Each contact 70 is pressed into and is fixed on parts the connector body 60 for the peristome from connector body 60 right sides, with support 71, the spring portion 72 of the extension of the mutual almost parallel of along continuous straight runs ground and be connected support 71 and spring portion 72 right sides between connecting portion 73 form the コ word shape.On connecting portion 73, the left end of spring portion 72 is freedom of movement along the vertical direction in the inside of connector body 60, is provided with the contact portion 74 that is electrically connected with lead 100 in the left part of spring portion 72 by cantilever support in spring portion 72.Support 71 is along the configuration of the bottom wall upper surface of connector body 60, is provided with the portion of bearing 75 at the left part of support 71 and contact portion 74 relative positions.In addition, many contacts 70 are remained on the connector body 60 side by side along the direction vertical with the drawing of Fig. 7 (a).

Operating parts 80 rotates with respect to connector body 60 and freely is bearing on the connector body 60 by axle, spring portion 72 and be arranged on abutting part 76 opposed positions between contact portion 74 and the connecting portion 73, is provided with cam part 81.

Shown in Fig. 7 (a), when making operating parts 80 turn on the upright position of operating parts 80, compare when turning to position with the horizontal direction almost parallel with operating parts 80, because the lower end position of cam part 81 moves up, therefore spring portion 72 is to the direction strain of leaving support 71, so contact portion 74 is displaced to the position of leaving from lead 100.

And, insert mouthfuls 61 when lead 100 is inserted into the inside of connector body 60 when being displaced in the contact of contact 70 one 74 under the locational state that leaves from lead 100 from lead, because the location division 62 that is provided with in the leading section of lead 100 and the connector body 60 connects, therefore determined the insertion position of lead 100.Then, when making operating parts 80 turn to position with the horizontal direction almost parallel under the state that is inserted at lead 100, utilize cam part 81 that abutting part 76 is pressed to support 71 1 sides, spring portion 72 is to support 71 1 side strains.At this moment, lead 100 is clamped in the contact portion 74 of spring portion 72 top ends settings and bears between the portion 75, and contact portion 74 goes up the conductor fig (not expression among the figure) that is provided with lead 100 surfaces and is electrically connected.

No. 4283777 communique of [patent documentation 1] Japan special permission

In the connector of above-mentioned prior art, when lead 100 is inserted into connector body 60 inside, the location division 62 of the leading section of lead 100 and connector body 60 connects, by determining the position of the leading section of lead 100 like this with respect to connector body 60, but because contact 70 is pressed into and is fixed in the connector body 60, if so the precision that contact 70 is assembled in the connector body 60 is low, there is the big such problem of contact 70 and lead 100 position contacting deviations.

In recent years along with the miniaturization of electronic equipment, wish also miniaturization of connector, occurred staggering the connector that the spacing between the adjacent contact 70 is narrowed down towards the direction (left and right directions among Fig. 7) that lead inserts by the position that makes contact portion 74 between the adjacent contact 70.Fig. 6 is the vertical view that is connected the lead 100 on this connector, broad ways disposes a plurality of conductor figs 101 abreast side by side on a surface of lead 100, but be electrically connected firmly in order to make, the greater than other parts that contacts with connector of conductor fig 101 forms to such an extent that width is wide, by make this position on the lead direction of insertion, broad position 102 stagger ground interconnected, the width dimensions of lead 100 is reduced, and increase number of poles.On the other hand, under the situation about having staggered along the lead direction of insertion in the position of contact portion 74 between the adjacent contact 70 of connector, need exactly the contact portion 74 of each contact 70 is aligned with the relative position at the broad position 102 of conductor fig 101, if but the relative positional precision of contact 70 and connector body 60 is poor, then the broad position 102 of conductor fig 101 becomes unstable with the contact condition of contact portion 74, has the problem of the reliability reduction that is electrically connected.Especially because the length dimension at the broad position 102 of lead direction of insertion front side than the weak point at the broad position 102 of rear side, the higher positional precision of contact 70 requirements that therefore contact with the broad position 102 of lead direction of insertion front side.

Summary of the invention

The present invention is exactly in view of the above problems, its objective is to provide a kind of improved lead with respect to the positioning accuracy of connector link position, improved the connector of reliability of electrical connection.

In order to achieve the above object, the present invention is a kind of connector, possesses: connector body, and the lead of offering by the surface inserts mouth and insert or extract lead in the contact receiving space that inside is provided with; A plurality of contacts, have along the lead direction of insertion and be configured in support and the spring portion that receiving space inside, contact, clamping are inserted into lead between the two relatively, and support and spring portion connected into a whole continuously connecting portion, this contact the inner face of support and connector body is connected and make the lead of spring portion insert inlet side the end freedom of movement be maintained in the connector body, a certain at least side in spring portion or the support is electrically connected with the conductor part of lead; And operating parts, can between anticreep position that the lead that is inserted in the receiving space of contact is difficult to relatively extract and the non-anticreep position of relatively easily extracting, be configured on the connector body freely to rotate; In the support of each contact and spring portion, be respectively arranged with the clamping part that clamping is inserted into the lead between support and the spring portion; And the location division that the support of contact is provided with on being positioned at than clamping part position on the front on the lead direction of insertion, connect with the leading section of lead; Operating parts is provided with a plurality of cam part, these a plurality of cam part and spring portion are provided with accordingly with respect to position on the front, location division on the lead direction of insertion, when rotating to the anticreep position, push spring portion and make spring portion strain, by clamping part and the lead Elastic Contact that makes spring portion like this.

The effect of invention

If employing the present invention, when inserting mouth insertion lead from lead, the location division that is provided with on the leading section by making lead and the support of contact connects, owing to can determine the relative position of lead exactly with respect to the contact, therefore the clamping part of support and spring portion and the deviation of lead position contacting can be reduced, the reliability of electrical connection can be improved.

Description of drawings

Fig. 1 (a) is the figure of the cross section A-A of Fig. 3 for the figure of the connector of this example of expression; (b) be the figure of the section C-C of Fig. 4;

Fig. 2 (a) is the figure of the section B-B of Fig. 3 for the figure of the connector of this example of expression; (b) be the figure of the section D-D of Fig. 4;

Fig. 3 is for the figure of the connector of this example of expression, (a)～(c) for to make operating parts rotate to the three-view diagram of the state of non-anticreep position;

Fig. 4 is for the figure of the connector of this example of expression, (a)～(c) for to make operating parts rotate to the three-view diagram of the state of anticreep position;

Fig. 5 is for the figure of the connector of this example of expression, (a) for to make operating parts rotate to the outward appearance perspective view of the state of non-anticreep position; (b) for to make operating parts rotate to the outward appearance perspective view of the state of anticreep position;

Fig. 6 is the vertical view that is connected to the lead on the connector of this example;

Fig. 7 is for the figure of the connector of expression prior art, (a) for to make operating parts rotate to the cutaway view of the state of non-anticreep position; (b) for to make operating parts rotate to the cutaway view of the state of anticreep position.

Description of reference numerals

1. connector; 2. connector body; 3,4. contact; 5. operating parts; 20. contact receiving space; 21. lead inserts mouth; 31,41. supports; 32,42. spring portions; 32a, 35a, 41a, 42a. pawl (clamping part); 33,43. connecting portions; 35. bullet contact pin; 36,46. depressed parts; 37. positioning convex (location division); 51,52. cam part; 100. lead; 101. conductor fig (conductor portion);

Embodiment

Technological thought of the present invention is applied to connect the example on the connector of the such lead of flexible printed circuit board (Flexible Printed Circuits) below with reference to Fig. 1～Fig. 6 explanation.In addition, in the following description, short of special explanation in advance, the direction dictates direction up and down shown in Fig. 3 (a) describes the left and right directions among Fig. 3 (c) as fore-and-aft direction.Wherein, the left side of Fig. 3 (c) is as the front side of lead direction of insertion.

The connector 1 of this example is 7 electrode type connectors, possess connector body 2, two kind of

contact

3 and 4 and operating parts 5 as primary structure.In addition, the number of electrodes of connector 1 is not limited to above-mentioned number of electrodes, can make the corresponding connector of number of electrodes and specification.

Connector body 2 usefulness for example have moulding product or other suitable materials of the synthetic resin of insulating properties and make, on a face of fore-and-aft direction (lead direction of insertion), offer lead with the contact receiving space 20 of inside and external communications and insert mouthfuls 21, and be provided with peristome 22 from the another side of fore-and-aft direction to the part of upper wall.And contact receiving space 20 is separated the predetermined spacing setting along left and right directions next door 23 is separated into a plurality of reception rooms, contains some in the

contact

3,4 in each reception room.

2 kinds of contact 3, the 4 usefulness for example metal material of elasticity such as copper beryllium alloy and good conductivity form, and are interconnected along the left and right directions of connector body 2.Wherein, a contact 3 is configured in beginning on (1,3,5,7) position of odd number from left and right directions one end of connector body 2, and another contact 4 is configured in beginning on (2,4,6) position of even number from left and right directions one end of connector body 2.

Shown in Fig. 1 (a) and (b), the contact 3 of odd number lead-in wire has along lead direction of insertion (fore-and-aft direction) and is configured in the inside of contact receiving space 20, support 31 and the spring portion 32 that lead 100 is between the two inserted in clamping relatively, and the connecting portion 33 that front end one side on the lead direction of insertion of support 31 and spring portion 32 is connected into continuous integral body.Contact 3 forms the U word shape by support 31, spring portion 32 and connecting portion 33, inserts in mouthful 21 each reception room of insertion from lead as head with connecting portion 33.

The support 31 of contact 3 is configured in the contact receiving space 20 under the state that the inner face that makes lower edge and connector body 2 (upper surface of lower wall) connects.Be provided with the notch 2a that is provided with from the lower wall of connector body 2 in the end that the lead of support 31 inserts mouthful 21 1 sides and extend, be soldered to terminal plate 34 on the conductor fig that the installation base plate that not have the figure to represent is provided with downwards.And, begin to be provided with guiding line from the middle part of support 31 and insert the bullet contact pin 35 mouthfuls 21 1 side-prominent, that top ends is relative with the top ends of spring portion 32, on the top ends of this bullet contact pin 35, be equipped with pawl 35a towards spring portion 32 1 sides.And, next door 23 upper edge lead direction of insertion are formed with towards the guiding groove 24 of the upper and lower surface of the leads 100 that lead insertion mouth 21 1 sides are opened, mouth 21 insertions are inserted in guiding from lead, front position at the ratio guiding groove 24 of support 31 is inserted on the position of mouthful 21 1 sides by lead, and the front end of being equipped with lead 100 connects as the positioning convex 37 of location division.

From the position that peristome 22 exposes, be provided with depressed part 36 in the spring portion 32 of contact 3, the cam part 51 of aftermentioned operating parts 5 is inserted in this depressed part 36.And, spring portion 32 insert mouthful 21 1 sides by lead along the vertical direction on the top ends, the position relative of freedom of movement with the pawl 35a that plays contact pin 35 tops, be provided with pawl 32a towards bullet contact pin 35 1 pleurapophysis.Here constitute the clamping part that the lead 100 between support 31 and the spring portion 32 is inserted in clamping with the pawl 35a of support 31 1 sides and the pawl 32a of spring portion 32 1 sides.

And the contact 4 of even number lead-in wire is shown in Fig. 2 (a) and (b), have the support 41 and the spring portion 42 that are configured in receiving space 20 inside in contact along lead direction of insertion (fore-and-aft direction) relatively, and the connecting portion 43 that the middle part of the lead direction of insertion of support 41 and spring portion 42 (than the front position of guiding groove 24 front side by the lead direction of insertion) is connected into continuous integral body.These contact 4 usefulness supports 41, spring portion 42 and connecting portion 43 form the H word shape, are inserted in each reception room from peristome 22 1 sides.

The support 41 of contact 4 is configured in the contact receiving space 20 under the state that the inner face that makes lower edge and connector body 2 (upper surface of lower wall) connects.In the end of peristome 22 1 sides of support 41, be provided with the terminal plate 44 on the conductor fig that the notch 2b that is provided with from the lower wall of connector body 2 extends, is soldered to installation base plate (not having expression the figure) setting downwards.And, insert on the top ends of mouthful 21 1 sides at the lead of support 41, be provided with pawl 41a towards spring portion 42 1 pleurapophysis.

In the spring portion 42 of contact 4, the top ends of inserting mouthful 21 1 sides from lead is equipped with towards the pawl 42a of support 41 1 sides, constitutes the clamping part that the lead 100 between support 41 and the spring portion 42 is inserted in clamping with the pawl 41a of support 41 1 sides and the pawl 42a of spring portion 42 1 sides.And, be bearing in position on the connecting portion 43 at the ratio of spring portion 42 and insert by lead below the position of mouthful 21 opposite sides, be formed with the semi-cylindrical canyon portion 46 of the cam part 52 of inlaying aftermentioned operating parts 5.

Operating parts 5 usefulness insulating properties synthetic resin form the elongated long plate shape of left and right directions, the

cam part

51,52 that can be provided with an end of Width (above-below direction among Fig. 4 (b)) is a pivot, is maintained at freely to rotate on the connector body 2 between anticreep position that lead 100 is difficult to relatively extract and non-anticreep position that lead 100 is relatively easily extracted.

Cam part 51 is provided with accordingly with the depressed part 36 of contact 3, and cross sectional shape forms rectangle.Distance from the lower wall of connector body 2 to cam part 51 lower end positions changes with the rotary manipulation of operating parts 5, shown in Fig. 1 (b), distance from the lower wall of connector body 2 to cam part 51 lower end positions under the state that operating parts 5 is fallen down (anticreep position) is minimum, as Fig. 1 (a) be shown in operating parts 5 is erected under the state (non-anticreep position) that comes the distance maximum from the lower wall of connector body 2 to cam part 51 lower end positions.

And cam part 52 is formed the cylindrical shape of about 3/4ths circumference, and the axis direction of column part is provided with side by side along left and right directions, disposes under the state that the depressed part 46 of the side face of column part and contact 4 connects.Wherein, the connecting hole 53 that on operating parts 5, engages with the cam part 52 adjacent ends that are formed with depressed part 46 1 sides of ammunition feed spring portion 42.Distance from the lower wall of connector body 2 to cam part 52 upper end positions corresponding operating parts 5 rotating operation and change, be shown under the state (anticreep position) that operating parts 5 is fallen down as Fig. 2 (b), the distance from the lower wall of connector body 2 to cam part 52 upper end positions is maximum; As Fig. 2 (a) be shown in operating parts 5 is erected under the state (non-anticreep position) that comes, the distance from the lower wall of connector body 2 to cam part 52 upper end positions be a minimum.

The following describes the action when on the connector 1 of this example, plugging lead 100.As Fig. 1 (a), Fig. 2 (a) and shown in Figure 3, before connecting lead 100, be in the position that operating parts 5 is upright (with the position of support 31,41 nearly orthogonals of contact 3,4), in this state, because cam part 51 does not push the depressed part 36 of contact 3 downwards shown in Fig. 1 (a), therefore spring portion 32 does not produce strain, and the pawl 32a of spring portion 32 is to direction (upside) displacement of leaving the pawl 35a that plays contact pin 35.And shown in Fig. 2 (a), the depressed part 46 of thruster pressure contact 4 because cam part 52 does not make progress, so spring portion 42 does not in this state produce strain, and the pawl 42a of spring portion 42 is to direction (upside) displacement of the pawl 41a that leaves support 41.Therefore, rotate at operating parts 5 under the state of the non-anticreep position shown in Fig. 1 (a) and Fig. 2 (a), pawl 32a, the 42a of

spring portion

32,42 is displaced to not and lead 100 position contacting, therefore can make lead 100 is inserted resistance force diminishes when connecting in the connectors 1, connect even the soft lead 100 of FPC and so on also can easily insert in the connector 1.In addition, operating parts 5 is rotated under the state of non-anticreep position, pawl 32a, the 42a of

contact

3,4 also can be configured in lead 100 position contacting on, establish when inserting lead 100 and be electrically connected this moment, keep the confining force of lead 100 to be in relative less state but compare

contact

3,4 when being positioned at the anticreep position, so lead 100 is in the state of relatively easily extracting with operating parts 5.

Operating parts 5 is rotated under the state of non-anticreep position, if insert mouthfuls 21 from lead lead 100 is inserted into the inside of connector body 2, lead 100 is inserted between the support 31,41 and

spring portion

32,42 of

contact

3,4 under guiding groove 24 guiding that upper and lower surface is provided with on by next door 23.Shown in Fig. 1 (b), when lead 100 further was inserted into connector body 2 inside, the leading section of lead 100 was connected on the positioning convex 37 of contact 3, by determining the position of the leading section of lead 100 with respect to contact 3,4 like this.

Under the state of the inside that lead 100 is inserted into connector body 2, if image pattern 1 (b), Fig. 2 (b) and the operating parts 5 that makes shown in Figure 4 rotate to position with support 31,41 almost parallels of

contact

3,4, cam part 51 depressed parts 36 of pushing contacts 3 downwards shown in Fig. 1 (b) then, make spring portion 32 strains, pawl 32a by making spring portion 32 like this is to playing contact pin 35 1 sides (downside) displacement, conductor fig 101 (conductor part) Elastic Contact that the pawl 32a of spring portion 32 and lead 100 are provided with above.And this moment is shown in Fig. 2 (b), the depressed part 46 that cam part 52 upwards pushes contact 4 makes spring portion 42 strains, pawl 42a by making spring portion 42 like this with connecting portion 43 be fulcrum to support 41 1 side displacements, the conductor fig that is provided with above 101 Elastic Contact of the pawl 42a of spring portion 42 and lead 100.Therefore, rotate at operating parts 5 under the state of Fig. 1 (b), Fig. 2 (b) and anticreep position shown in Figure 4, because pawl 32a, the 42a of

spring portion

32,42 are urged respectively on lead 100, therefore become lead 100 by the state that the crimping of

contact

3,4 keeps, become lead 100 and be difficult to the state extracted relatively.And, pawl 32a by lead 100 being clamped in spring portion 32 and playing between the pawl 35a of contact pin 35, and lead 100 is clamped between the pawl 41a of the pawl 42a of spring portion 42 and support 41, makes between the conductor fig 101 of

contact

3,4 and lead 100 to become the state that is electrically connected.

On the other hand, under lead 100 and state that connector 1 is connected, if make operating parts 5 rotate to non-anticreep position from the anticreep position, then the power of the depressed part 36,46 of

cam part

51,52 extruding

contacts

3,4 disappears, make pawl 32a, the 42a displacement upward of

spring portion

32,42 by the elastic restoring force of

spring portion

32,42, leave lead 100, so the power disappearance of

contact

3,4 maintenance leads 100, can easily extract lead 100.

The connector 1 of this example adopts structure as described above, when inserting mouth 21 insertion leads 100 from lead, the positioning convex (location division) 37 that is provided with on the support 31 of the leading section of lead 100 and contact 3 connects, by determining the position of lead 100 so exactly with respect to contact 3,4, therefore can reduce the deviation of the clamping part and lead 100 contact positions of support 31,41 and

spring portion

32,42, contact 3,4 electrically contacts at preposition and lead 100, can improve the reliability of electrical connection.

And, in this example since respectively with the

spring portion

32,42 of

multipole contact

3,4

cam part

51,52 of setting operation spare 5 accordingly, the spring portion 32 of the contact 3 of odd number lead-in wire upwards thruster presses cam part 51, cam part 52 is pressed in the spring portion 42 downward thrusters of the contact 4 of even number lead-in wire, therefore even be not provided with the bearing arrangement of operating parts 5 pivot suspensions on connector body 2, also can=rotate and freely make operating parts 5 pivot suspensions on the

contact

3,4 that remains on the connector body 2.

Though be provided with the positioning convex 37 that carries out lead 100 location in the middle part of the support 31 of each contact 3 in the above-mentioned example, but the position that preferably operating parts 5 can not applied active force under state support 31, that inserting lead 100 when the anticreep position is swung in non-anticreep position because of the strain of contact 3 is provided with positioning convex 37, can suppress to impose on the power of lead 100 and make the position of lead 100 produce skew from positioning convex 37.In addition, if can obtain the contact pressure of predetermined value above contact 3 and lead 100, because the enough contact pressures of energy suppress the offset of lead 100, therefore the positioning accuracy at lead 100 satisfies in the scope of predetermined performance requirement, and it is also passable to apply active force for the position that is provided with positioning convex 37 by the strain of contact 3.

And, though only on contact 3, be provided with positioning convex 37 in this example, but because the broad position 102 of the conductor fig 101 of another contact 4 contacts is positioned at the rear side of lead direction of insertion as shown in Figure 6, the length dimension that the broad position 102 that contacts with contact 3 is compared on the lead direction of insertion is long, therefore even the position of contact 3 and contact 4 assemblings deviation a little on the lead direction of insertion also can make contact 4 firmly contact with the broad position 102 of conductor fig 101.In addition, inserting under the state of lead 100 operating parts 5 when the anticreep position is swung in non-anticreep position, if the active force that does not have contact 4 strains to apply, then can be in the contact location division that connects of the leading section of 4 one side settings and lead 100.

And, also can be with the fabric switch of contact 3 with the contact 4 of even number lead-in wire of odd number lead-in wire.

And, though the clamping part (pawl 32a, 42a) that is provided with in conductor fig 101 that lead 100 is provided with above and the

spring portion

32,42 is electrically contacted, also can be that support 31,41 1 sides clamping part (playing the pawl 35a of contact pin 35 and the pawl 41a of support 41) that is provided with and the conductor fig that lead 100 is provided with below electrically contact.

Though above is that the center is illustrated with certain embodiments of the present invention, but can in aim of the present invention and the claim scope of adding, carry out various distortion, change or correction in the present technique field, therefore above-mentioned explanation and accompanying drawing do not limit technological thought of the present invention, and can only be interpreted as is example of the present invention.

Claims

1. connector is characterized in that possessing: connector body, the lead of offering by the surface insert mouthful and insert or extract lead in the contact receiving spaces that inside is provided with;

A plurality of contacts, have along the lead direction of insertion and be configured in support and the spring portion that receiving space inside, contact, clamping are inserted into lead between the two relatively, and support and spring portion connected into a whole continuously connecting portion, this contact the inner face of support and connector body is connected and make the lead of spring portion insert inlet side the end freedom of movement be maintained in the connector body, a certain at least side in spring portion or the support is electrically connected with the conductor part of lead; And

Operating parts can be configured on the connector body between anticreep position that the lead that is inserted in the receiving space of contact is difficult to relatively extract and the non-anticreep position of relatively easily extracting freely to rotate;

In the support of each contact and spring portion, be respectively arranged with the clamping part that clamping is inserted into the lead between support and the spring portion; And the location division that the support of contact is provided with on being positioned at than clamping part position on the front on the lead direction of insertion, connect with the leading section of lead;

Operating parts is provided with a plurality of cam part, these a plurality of cam part and spring portion are provided with accordingly with respect to position on the front, location division on the lead direction of insertion, when rotating to the anticreep position, push spring portion and make spring portion strain, by clamping part and the lead Elastic Contact that makes spring portion like this.

2. connector as claimed in claim 1, it is characterized in that, aforesaid operations spare and the above-mentioned a plurality of cam part corresponding setting of above-mentioned a plurality of spring portion push above-mentioned a plurality of spring portion alternately downwards and upwards when making aforesaid operations spare rotate to the anticreep position, make this spring portion strain.