CN104112944B - Lever-type connector - Google Patents

Abstract

The present invention provides a kind of lever-type connector, and good relative to the assembleability of housing and bar the operating reliability of bar is high.Projecting in the two sides of housing (20) have an axle portion (33), and be provided with the expansion making inner space (37) open in axle portion (33) side and prevent wall (35).Bar (60) constitutes gate by linking part (61) and a pair arm (62), can be installed on housing (20) in the way of the rotation of assembling position, initial position and nested position.Arm plate (62) has thinner wall section (66) and heavy section (67).The thinner wall section (66) of arm plate (62) is expanded by the interference with axle portion (33) in assembled position and is entered into the expansion of housing (20) and prevents the inner space (37) of wall (35).The heavy section (67) of arm plate (62) is preventing the inner space (37) of wall (35) from initial position towards entering into expansion during nested position.

Description

Lever-type connector

Technical field

The present invention relates to a kind of lever-type connector.

Background technology

Lever-type connector disclosed in patent documentation 1 has shell that can be chimeric with the other side's housing Body and be rotatably arranged on the bar on housing.Dash forward in the two sides of housing Go out to be provided with a countershaft portion (rotary shaft), and be each provided with a pair open interior in side, axle portion Space and the expansion that constitutes prevents wall (protective bulkhead).Bar by linking part (operating portion) and from A pair arm plate (arm) that the two ends of linking part are prominent and constitute gate on the whole.At arm plate On be provided with dead eye that countershaft portion is supported and convex with what the cam pin of the other side's housing engaged Race.

When assembling bar, arm plate is dilatating and deformable by the interference with axle portion, hereafter, and axle portion bullet Being embedded in property the dead eye of arm plate, bar is supported in the mode that can rotate centered by axle portion. Further, two housings chimeric during, be engaged to the state of the cam path of arm plate at cam pin Under, bar rotates, by the chimeric action carrying out two housings therewith the boosting function played.Separately Outward, during arm plate is by chimeric at two housings, it is applied to the inlay resultant force of bar and will expand Time, arm plate abut on this dimension relative to expansion prevent wall, limit and further expand Open action.Therefore, it is to avoid the arm plate caused by the overdistension of arm plate departs from from axle portion accidentally Situation.Now, the thinner wall section of arm plate abuts to expand the heavy section preventing wall, so that it is guaranteed that Expansion prevents the rigidity of wall, and makes the arm plate will not be the most thickening with the lap of thinner wall section.

Prior art literature

Patent documentation

Patent documentation 1: Japanese Unexamined Patent Publication 2002-164115 publication

But, in these cases, arm plate prevents the narrow gaps of wall with expansion, therefore at arm The interference of plate and axle portion and during flexural deformation, there is expansion and prevent wall to be pressed against arm plate and bloat change Shape also makes assembling resistance become excessive probability.On the other hand, if becoming and making arm plate become Expand arm plate for thinner wall and expansion prevents the structure in the gap between wall, then can improve Workability during assembling, but the excessive expansion action of arm plate is allowed to, and therefore existing can not The probability that stop arm plate departs from from axle portion effectively.

Summary of the invention

The present invention accordingly completes, it is therefore intended that provide a kind of bar relative to housing The adapter that good and bar the operating reliability of assembleability is high.

The lever-type connector of the present invention includes: housing, it is possible to chimeric with the other side's housing, in both sides Face is projecting axle portion, and side, described axle portion is provided with open interior space and constitutes Expansion prevents wall；And bar, the arm plate prominent by linking part and the two ends from this linking part and Constituting gate on the whole, described bar is assembled into described housing, it is possible to centered by described axle portion And rotate successively at assembling position, initial position and nested position, on described assembling position, Described arm plate is by the interference with described axle portion after dilatating and deformable, at described arm plate flexibly It is fitted together to and is installed to described axle portion and a part for described arm plate is contained in described expansion and prevents wall Under state in described inner space, described bar is assembled into described in the way of crossing over described housing Housing, on described initial position, described arm plate engages with described the other side's housing, keeps this card Conjunction state and rotating to described nested position from described initial position, thus play boosting function And carrying out the chimeric action of two housings, described lever-type connector is characterised by, described arm plate has Have: thinner wall section, enter into described expansion in described assembled position and prevent the described internal empty of wall In between；And heavy section, at described bar from described initial position towards the mistake of described nested position Journey enter in the described inner space that described expansion prevents wall, can when excessive expansion Preventing wall from abutting with described expansion, thinner wall section described in thickness ratio is thick.

Cross over

On assembling position, the thinner wall section of arm plate enters in the inner space that expansion prevents wall, Therefore when arm plate is expanded by the interference with axle portion, it is possible to guarantee keeping out of the way of arm plate fully Space.Therefore, arm plate and expansion the interference between wall is prevented and the resistance to sliding that causes will not Become is excessive, thus improves assembling operation.

On the other hand, at arm plate from initial position towards during nested position, the thickness of arm plate Wall portion enters in the inner space that expansion prevents wall, therefore at the arm of the inlay resultant force by two housings When plate will exceedingly be expanded, heavy section prevents wall from abutting with expansion effectively and is prevented from arm Plate departs from from axle portion.

Accompanying drawing explanation

Fig. 1 is the state that bar is in assembling position in the lever-type connector of embodiments of the invention 1 Top view.

Fig. 2 is the top view that bar is in the state of initial position.

Fig. 3 is the top view that bar is in the state of nested position.

Fig. 4 is the major part top view in cross-section that bar is in the state of initial position.

Fig. 5 is the major part top view in cross-section that bar is in the state of nested position.

Fig. 6 is the top view of housing.

Fig. 7 is the front view of housing.

Fig. 8 is the top view of bar.

Fig. 9 is the rearview of bar.

Figure 10 is from the main state assembling bar on housing body observed depending on view directions Sectional view.

Detailed description of the invention

The optimal way of the present invention described below.

Described assembling position and described initial position setting are position different from each other.Thus, anti- Only the heavy section of arm plate enters into expansion mistakenly in assembled position and prevents the inner space of wall In.

Among described arm plate entirety, the ratio shared by described thinner wall section is than shared by described heavy section Ratio big.Thereby, it is possible to reduce the fee of material of arm plate, and it is capable of lightweight.

Described heavy section is arranged along the outer peripheral edge of described arm plate.Thereby, it is possible to guarantee arm plate The rigidity of side, outer peripheral edge.

<embodiment 1>

By Fig. 1～Figure 10, embodiments of the invention 1 are illustrated.The rod-type of embodiment 1 connects Device 10 include can be chimeric with the other side's housing 90 housing 20 and rotatably install Bar 60 on the housing 20.

As the most diagrammatically illustrated, the other side's housing 90 is made for synthetic resin, has at width The cover portion 91 of substantially rib tubular longer on degree direction (left and right directions of Fig. 4).In cover portion 91 The outer surface of two side (wall of long side) is projecting a pair follower pin 92.Each follower pin 92 constitute generally a cylindrical shape, and the width of the leading section being configured in the outer surface of two side is big Cause central authorities.It is configured with not shown multiple sun thin slices it addition, prominent in cover portion 91.

As it is shown on figure 3, housing 20 is made for synthetic resin, there is housing body 21 and wire cover 22. As it is shown in fig. 7, housing body 21 has: the terminal of the longest substantially square block Receiving portion 23；Surround the fitting cylinder section 24 of the substantially rib tubular of the periphery of terminal accommodation portion 23；With And abutting along connecting portion 25(radially of fitting cylinder section 24 and terminal accommodation portion 23 being connected is solid Determine wall).In the front of connecting portion 25 and between fitting cylinder section 24 and terminal accommodation portion 23, energy The chimeric space 26 enough making the cover portion 91 of the other side's housing 90 enter is forwards open and is formed.

As it is shown in fig. 7, be provided with multiple cavity 27 in terminal accommodation portion 23.Not shown terminal Accessory inserts from rear and is received in each cavity 27.Each terminal fittings is connected to by crimping The terminal part of not shown electric wire, and when two housings 20,90 is fitted together to corresponding positive thin slice Conducting connects.

As in figure 2 it is shown, connecting portion 25 becomes the shape that the outer peripheral face from housing body 21 extends radially State, surface configuration has the wire cover 22 that can abut from rear behind.It addition, as shown in Figure 6, The prominent rear, rear surface being configured at connecting portion 25 of rearward end 28 of housing body 21, in its both sides The width both ends in face (one side of the long side in outer peripheral face), the most projecting have The cover lock portion, a pair side 29 rearward extended from the rear surface of connecting portion 25.It addition, at housing The both ends of the surface (one side of the short brink in outer peripheral face) of main body 21 are projecting to be had from connecting portion 25 The pair of end cover lock section 31 that rearward extends, rear surface.

As in figure 2 it is shown, wire cover 22 is made for synthetic resin, become front and width on the whole The form of the lid that side, direction (right side of Fig. 2) is open.Further, wire cover 22 is to cover shell The mode of the rearward end 28 of phosphor bodies 21 configures, and is connected to the rear surface of connecting portion 25 and fixes, The end edge of width opposite side (left side of Fig. 2) is engaging in end face cover lock in this condition Portion 31, the side of width side, engaging in cover lock portion, side 29, thus remains at housing master On body 21.In the case of example 1, end face cover lock portion 31 He it is arranged in pairs in the left and right sides Cover lock portion, side 29 so that the opening of the width side of wire cover 22 is towards the right and left of Fig. 2 Any one direction in all can be corresponding.Further, it is installed to housing body 21 when wire cover 22 Time upper, multiple electric wires that the inner containment at wire cover 22 is derived from the rear surface of housing body 21, And then, each electric wire bends and opening by side in the width direction along the backboard 32 of wire cover 22 Mouth pulls out to outside.

As shown in Fig. 6 and Fig. 7, the width of the two sides in the rearward end 28 of housing body 21 Direction substantial middle, is provided with a countershaft portion 33.As shown in Figure 6, each axle portion 33 constitutes round Column, projecting in the platform portion 34 of general square shape in overlooking visual angle (or looking up visual angle). It addition, the part that two sides with housing body 21 in fitting cylinder section 24 are relative, arrange A pair expansion prevents wall 35.Each expansion prevents wall 35 from becoming the form bloated laterally, behind Edge has continuous wall 41 not described later with connecting portion 25() it is connected and the backoff portion of formation of caving in 36.And then, as shown in Figure 4, prevent the inside of wall 35 in expansion, it is possible to described later to bar 60 The inner space 37 that arm plate 62 carries out accommodating rearward opens and is formed.As shown in Figure 4, in inside Space 37, to carry out bound edge the week facial 38 of substantially arc-shaped, and as shown in Figure 6, by covering wall Outside plug is closed by 39.The part corresponding with backoff portion 36 in the back edge of covering wall 39 becomes The linearly form extended in the width direction.

As shown in Figure 6, in connecting portion 25, prevent the rear of the backoff portion 36 of wall 35 in each expansion It is formed with a pair continuous wall 41 along width.Each continuous wall 41 width substantially Central authorities, are formed with pair of notches recess 42 in the position relative with axle portion 33.It addition, in each expansion Open the width substantial middle preventing wall 35, be formed with a pair in the position relative with axle portion 33 Import recess 43.Be set to, two housings 20,90 is chimeric start time, the other side's housing 90 from Untie-sell 92 can enter from front each importing recess 43 (with reference to Fig. 4).

Herein, as shown in Figure 7, it is possible to by notch recesses 42 and importing recess 43 square mesh in the past Optical axis portion 33, by by the forwards drawing of not shown mould, by recessed to notch recesses 42 and importing Portion 43 shapes together with the front surface portion in axle portion 33.It addition, axle portion 33 become except front with Outer the most in the wings and the state exposed of width two side.

As shown in Figure 6, the chimeric installation of outer peripheral face at the terminal accommodation portion 23 of housing body 21 seals Circle 70.Sealing ring 70 is that the rubber such as silicone rubber are made, and becomes in the periphery of terminal accommodation portion 23 The ring-type form that face substantially fits tightly.Multiple peripheral outer lip of arrangement on fore-and-aft direction Portion 71 is centered around the outer peripheral face of sealing ring 70 and is formed.It addition, arrange many in the longitudinal direction Individual not shown inner circumferential lip is centered around the inner peripheral surface of sealing ring 70 and is formed.Sealing ring 70 configures For, before front is arranged on the outer peripheral face of terminal accommodation portion 23 and can be connected to connecting portion 25 Surface and fix.When two housings 20,90 is fitted together to, outside each inner circumferential lip is with housing body 21 Side face flexibly fits tightly, and each periphery lip 71 is the tightest with the inner peripheral surface in cover portion 91 Closely connected conjunction, thus between two housings 20,90, sealing ring 70 is flexibly compressed, it is achieved two housings 20, the sealing between 90.It addition, sealing ring 70 is entered with the color different from housing 20 and bar 60 Row color matching is so that being visually confirmed to be effect to become good.

Next illustrating bar 60, bar 60 is that synthetic resin is made as shown in Figure 9, have Linking part 61 along short transverse and the short transverse two ends from linking part 61 are in the direction of the width The a pair arm plate 62 highlighted with being generally parallel to each other, bar 60 constitutes gate on the whole.At each arm Through in plate 62 pair of bearings hole 63 is set.It addition, as shown in Figure 8, it is formed at each arm plate 62 The pair of cams groove 64(confirmation described later of outer peripheral edge opening at arm plate 62 in curved extension Window).Cam path 64 becomes the external plate of the intake section except the outer peripheral edge opening at arm plate 62 The form of through arm plate 62 on thick direction.Further, at the outer surface of the edge, periphery of arm plate 62, Open and set the bridge part 65 that the intake section to cam path 64 covers.

Further, as it is shown in figure 1, bar 60 to cross over the terminal accommodation portion 23 of housing body 21 from rear Mode install, and embed axle portion 33 at dead eye 63 Elastic, thus in axle portion 33 being The heart can be pivotally supported in housing body 21.Specifically, bar 60 can be relative to housing Main body 21 rotates in following location successively: linking part 61 tilts significantly on the right side of diagram and configures Assembling position (with reference to Fig. 1), linking part 61 tilt significantly on the left of diagram and at the beginning of configuring It is embedding that beginning position (with reference to Fig. 2) and linking part 61 tilt smaller on the right side of diagram and configure Close position (with reference to Fig. 3).

It addition, as shown in Figure 10, if assembling bar 60 in housing body 21, then connecting portion 25 Continuous wall 41 is close with the inner side of each arm plate 62 and configures.Therefore, if each arm plate 62 will be with Being fulcrum with the coupling position of linking part 61 and inwardly roll down, the most each arm plate 62 is connected at once Skew the relative continuous wall 41 in direction with it, limits each arm plate 62 and topples over further, prevents each arm Plate 62 is exceedingly flexural deformation to inner side.

At each arm plate 62, form the thinner wall section 66 thinner than heavy section 67 described later.Thinner wall section 66 is joined Put the blank region not identifying shade in arm plate 62 in the diagram, be formed at from linking part 61 The position linked is to the wider scope of the outer peripheral edge of arm plate 62.

Part in addition to thinner wall section 66 in each arm plate 62 (identifying in arm plate 62 in Fig. 4 The region of shade) constitute as the heavy section 67 of thickness ratio thinner wall section 66 thickness.At each arm plate 62 Among entirety, the ratio shared by heavy section 67 is less than the ratio shared by thinner wall section 66.And And, as it is shown in figure 9, heavy section 67 becomes the form thickeied in the outer surface side of each arm plate 62, thick The outer surface in wall portion 67 is configured to the outer surface than thinner wall section 66 closer to outside.On the other hand, Except dead eye 63 opening edge portion formed boss portion 68, the inner surface of heavy section 67 with The inner surface of thinner wall section 66 is connected in substantially the same face.Specifically, as shown in Figure 8, heavy wall Portion 67 has bridge part 65 and between the outer peripheral edge of arm plate 62 and cam path 64 and along arm The extended portion 69 that the outer peripheral edge of plate 62 extends, heavy section 67 be arranged in from bridge part 65 to cam The position of the bearing of trend midway correspondence of groove 64.It addition, the extension of the outer surface at heavy section 67 Midway, direction forms the recess 59 of slit channel-shaped, becomes thin-walled in the part corresponding with this recess 59 Portion 66.

It follows that assembling operation and chimeric operation to the lever-type connector 10 of embodiment 1 are carried out Explanation.

First, as it is shown in figure 1, bar 60 is assembled in housing body 21 at assembling position.Assembling Time, bar 60 is arranged on from rear the housing body 21 not installing wire cover 22.Now, will The thinner wall section 66 of each arm plate 62 is inserted expansion and is prevented the inner space 37 of wall 35, prevents wall in expansion Bigger gap is formed between covering wall 39 and the thinner wall section 66 of 35.During assembling, Each arm plate 62 disturbs with axle portion 33 and expands laterally for fulcrum with the coupling position with linking part 61 , now, the thinner wall section 66 of each arm plate 62 is expanded in the scope in described gap, thus avoids Thinner wall section 66 is disturbed with covering wall 39.Even if it addition, assume that thinner wall section 66 is disturbed with covering wall 39, Owing to this interference volume is less, therefore resistance to sliding will not become the biggest.Thereby, it is possible to by bar 60 workability are assembled into assembling position well.

Further, as it is shown in figure 1, at above-mentioned assembling position, be fitted without electricity in housing body 21 Line lid 22, therefore, it is possible to make the linking part 61 of bar 60 pour into significantly on the right side of diagram.It addition, In assembled position, heavy section 67 is positioned at the linearity of the backoff portion 36 preventing wall 35 from expansion The position that back edge rear separates.And then, in assembled position, in the recess of backoff portion 36 and The cam path 64 of bar 60 connects in the height direction and configures, it is possible to by the recess of backoff portion 36 In and cam path 64, from outside observe installation chimeric with the outer peripheral face of housing body 21 sealing Enclose 70 and can abut with this sealing ring 70 and make the continuous wall 41 of its fixing connecting portion 25. That is, cam path 64 is as confirming window and function.It addition, in the case of example 1, energy The entirety of width before and after enough visualization sealing rings 70.

It follows that rotated to initial position side by bar 60, in housing body 21, wire cover 22 is installed. When bar 60 arrives initial position, linking part 61 is configured on the left of diagram, and cam path 64 Entrance prevents the importing recess 43 of wall 35 from connecting towards front with expansion and configures (with reference to Fig. 4). It addition, in initial position, the heavy section 67 of each arm plate 62 enters into expansion and prevents the interior of wall 35 Space, portion 37, prevents from forming above-mentioned group of ratio between the covering wall 39 of wall 35 and heavy section 67 in expansion The gap that the situation of holding position is little.And then, even if also being able to by backoff portion 36 at initial position Recess in and cam path 64 observe sealing ring 70 and continuous wall 41(with reference to Fig. 2).

It follows that the other side's housing 90 is the most chimeric with housing body 21.Thus, as shown in Figure 4, The cover portion 91 of the other side's housing 90 enters into the chimeric space 26 of housing 20, by follower pin 92 by leading Enter recess 43 and be inserted into the entrance of cam path 64.Now, cover portion 91 is positioned at from sealing ring 70 points From position, and maintain can the state of visualization sealing ring 70.

It follows that catch linking part 61, and bar 60 is rotated to nested position.Thus, driven Pin 92 slides in the groove face of cam path 64, acts on reinforcement and make between bar 60 and the other side's housing 90 With, the other side's housing 90 is furthered to housing 20 with low inlay resultant force.It addition, along with chimeric carrying out, Cover portion 91 is gradually covered sealing ring 70, and the region that is visually confirmed to be of sealing ring 70 is gradually lacked.Enter And, during chimeric, maintain the heavy section 67 of each arm plate 62 to be inserted into expansion and prevent wall 35 State in inner space 37.Thus, if each arm plate 62 is expanded laterally by inlay resultant force, Then heavy section 67 prevents the covering wall 39 of wall 35 from abutting with expansion at once such that it is able to avoid each arm The situation that plate 62 is exceedingly expanded.

As shown in Fig. 3 and Fig. 5, when bar 60 arrives nested position, linking part 61 and wire cover The backboard 32 of 22 abuts and limits its further rotating operation, and, follower pin 92 is positioned at convex The side, inner end of race 64.Further, two housings 20,90 becomes correct chimeric state, each terminal Accessory connects with the conducting of corresponding positive thin slice with correct status.Even if as it is shown in figure 5, bar 60 arrives Nested position, it is also possible to the heavy section 67 of each arm plate 62 is inserted into expansion and prevents wall 35 by maintenance The state of inner space 37.Further, as it is shown on figure 3, at nested position, cover portion 91 is configured to Connecting portion 25 can be connected to and be fixed, become what the overall quilt cover portion 91 of sealing ring 70 covered State.Thus, by the recess of backoff portion 36 and cam path 64, it is possible to observe cover portion 91 And continuous wall 41, but sealing ring 70 can not be observed.It addition, at nested position, close Seal 70 is flexibly clamped between cover portion 91 and housing body 21 such that it is able to guarantee two shells Sealing between body 20,90.Therefore, by sealing ring 70 is hidden in cover portion 91, it is possible to sentence Disconnected two housings 20,90 arrives correct nested position and guarantees the sealing between two housings 20,90.

As discussed above, according to the lever-type connector 10 of embodiment 1, it is possible to reach as Lower effect.

When two housings 20,90 is fitted together to, observes sealing ring 70 by cam path 64 and be hidden in cover portion The state of 91 such that it is able to judge that two housings 20,90 is in correct chimerism and via sealing Enclose 70 and suitably sealed.

It addition, according to embodiment 1, it is visually confirmed to be effect, at housing in order to ensure sealing ring 70 20 are not provided with covering the wall in the outside of sealing ring 70, and such wall is not positioned at the front in axle portion 33, Therefore, it is possible to utilize by the mould of forwards drawing easily by notch recesses 42 and import recessed Portion 43 shapes together with the front surface portion in axle portion 33.Further, since mould structure is simplified, Therefore, it is possible to improve degree of freedom when countershaft portion 33 forms, it is possible to make axle portion 33 become not The structure easily lost.

Additionally, according to the lever-type connector 10 of embodiment 1, in assembled position, arm plate 62 thin Wall portion 66 enters into expansion and prevents the inner space 37 of wall 35, therefore, when arm plate 62 is because of axle portion 33 Interference and when expanding, it is possible to guarantee arm plate 62 fully keeps out of the way space (above-mentioned gap). Therefore, the resistance to sliding that arm plate 62 and expansion prevent the interference of wall 35 from causing will not become excessive, Assembling operation can be improved.On the other hand, at arm plate 62 from initial position towards nested position During, the heavy section 67 of arm plate 62 enters into expansion and prevents the inner space 37 of wall 35, because of This, when bearing the arm plate 62 of inlay resultant force of two housings 20,90 and will exceedingly expand, thick Wall portion 67 prevents wall 35 from abutting effectively with expansion, it is possible to preventing arm plate 62 is deviate from from axle portion 33. Therefore, it is possible to improve the operating reliability of bar 60.

Further, in assembled position, prevent the inner space 37 of wall 35 from thinner wall section is set in expansion The space of 66 expansions, therefore need not make expansion prevent wall 35 from bloating the most significantly, Maximize it can be avoided that overall, and can guarantee fully to expand the thickness of slab preventing wall 35.

In this case, assembling position and the initial position of bar 60 are arranged on mutually different position Put, prevent therefore, it is possible to the heavy section 67 of preventing arm plate 62 enters into expansion mistakenly at assembling position The only inner space 37 of wall 35.

It addition, ratio shared by thinner wall section 66 is than shared by heavy section 67 among arm plate 62 entirety Ratio is big, therefore, it is possible to cut down the fee of material of arm plate 62, and is capable of the lightweight of bar 60. And then, heavy section 67 is arranged, therefore, it is possible to guarantee arm plate 62 along the outer peripheral edge of arm plate 62 The rigidity of side, outer peripheral edge.

<other embodiments>

The present invention is not limited to the embodiment illustrated by above-mentioned record and accompanying drawing, such as below Such embodiment is also included in the technical scope of the present invention.

(1) can also be, when bar arrives nested position, to be able to observe that sealing ring from outside The structure of a part.In this case, by being visually confirmed to be the sealing ring of nested position Amount is managed, it is possible to confirm chimerism and the sealing state of sealing ring of two housings.

(2) when cam path is configured to have kerve, it is also possible to be provided for confirming to seal on bar The special confirmation window of the state of circle.

(3) according to different situations, it is also possible to be phase by assembling position and the initial position setting of bar Same position.

(4) axle portion and expansion prevent wall can also be arranged on wire cover.

(5) heavy section can also thicken in the inner surface side of arm plate and be formed.It addition, heavy wall Portion can also thicken in the side, inside and outside two sides of arm plate and be formed.

(6) bar can also be the known rack-and-pinion or lever-type without cam path Bar.

Claims (4)

1. a lever-type connector, including:

Housing, it is possible to chimeric with the other side's housing, projecting in two sides have an axle portion, and The expansion that side, described axle portion is provided with open interior space and constitutes prevents wall；And

Bar, the arm plate prominent by linking part and the two ends from this linking part and constitute on the whole Gate, described bar is assembled into described housing, it is possible to centered by described axle portion assembling position, Initial position and nested position rotate successively, and on described assembling position, described arm plate passes through Interference with described axle portion and after dilatating and deformable, flexibly chimeric at described arm plate and be installed to Described axle portion and a part for described arm plate are contained in described expansion and prevent the described inner space of wall In state under, described bar is assembled into described housing, described to cross in the way of described housing On initial position, described arm plate engages with described the other side's housing, keeps this fastening state and institute State bar to rotate to described nested position from described initial position, thus play boosting function and carry out The chimeric action of two housings,

Described lever-type connector is characterised by,

Described arm plate has: thinner wall section, prevents from being formed with between wall gap in described expansion, Described assembled position enter into described expansion prevent in the described inner space of wall time, pass through Described gap reduces and described expansion prevents the resistance to sliding between wall；And heavy section, from Described initial position prevents the institute of wall towards entering into described expansion during described nested position State in inner space, can prevent wall from abutting with described expansion when excessive expansion, thickness ratio Described thinner wall section is thick.

Lever-type connector the most according to claim 1, it is characterised in that

Described assembling position and described initial position setting are position different from each other.

Lever-type connector the most according to claim 1 and 2, it is characterised in that

Among described arm plate entirety, the ratio shared by described thinner wall section is than shared by described heavy section Ratio big.

Lever-type connector the most according to claim 3, it is characterised in that

Described heavy section is arranged along the outer peripheral edge of described arm plate.