Connector and housing thereof
Technical field
The utility model relates in general to a kind of connector and housing thereof, specifically, relates to a kind of connector with locking structure and housing thereof.
Background technology
Fig. 1-Fig. 3 shows a kind of connector shell.This connector shell comprises upper wall 1, antetheca 2, two relative sidewalls 3 and the chamfered transition walls 4 between upper wall 1 and antetheca 2.On chamfered transition wall 4, be provided with the lockup arm 5 of cantilever beam form.The rear portion of lockup arm 5 (being its cantilever end) is the skew wall 50 that overhangs.The skew wall 50 that overhangs is similar to the part cutting out from chamfered transition wall 4 and therefore substantially flushes with chamfered transition wall 4.In fact, whole connector shell is all that Integral mold is molded conventionally.The front portion of lockup arm 5 (being its free end) is free platform 51.Free platform 51 outwards protrudes from chamfered transition wall 4 and has locking front end vertical plane 52 and upper surface 53.By pressing the upper surface 53 of free platform 51 downwards, free platform 51 can move up and down to discharge the leverage 7 that will mention below.
As shown in Figure 1, on two of connector shell relative sidewalls 3, be also respectively arranged with pivot 30.As shown in Figures 2 and 3, be generally the roughly two ends of the leverage 7 of U-shaped and be arranged on respectively on corresponding pivot 30, the middle lock portion 70 of leverage 7 is across on the upper wall 1 at connector shell.Leverage 7 can be between the front end lock position shown in the pre-lock position in the rear end shown in Fig. 2 and Fig. 3 pivotable, lock portion 70 thereby can slide into from back to front chamfered transition wall 4 on upper wall 1 and slip over lockup arm 5 until against locking front end vertical plane 52 in the middle of it.At this moment, lockup arm 5 has just completed the locking effect to leverage 7.
As shown in Figure 3, when needs trip lever mechanism 7, operator can press the upper surface 53 of free platform 51 downwards with finger, completes dispose procedure until the middle lock portion 70 of leverage 7 is positioned on free platform 51.
But the locking structure of above-mentioned connector shell exists coupling mechanism force poor, the problem that during assembling, easy appearance can not be locked.When , trip lever mechanism 7, because free platform 51 is outstanding not, in actual mechanical process, it is applied to downward push action also very inconvenient in addition.
Foregoing is only in order conveniently to understand the utility model and to meet Patent Law related request and make, and do not mean that the content of this part is prior art.
Utility model content
One of the purpose of this utility model is to provide a kind of connector shell, and it can overcome certain or some problem of mentioning in above-mentioned background technology part.
According to connector shell of the present utility model, comprise upper wall, antetheca, two relative sidewalls and the chamfered transition wall between upper wall and antetheca, wherein on chamfered transition wall, be provided with the lockup arm of cantilever beam form, the rear portion of lockup arm is the skew wall that overhangs, the front portion of lockup arm is free platform, free platform outwards protrudes from chamfered transition wall and has locking front end vertical plane and upper surface, and wherein the upper surface of lockup arm is also provided with the auxiliary projection of pressing.
In a specific embodiment of the present utility model, assisting and pressing projection to be the raised line of longitudinal extension, and raised line has front end vertical plane and upper surface, and wherein the front end vertical plane of raised line flushes with the locking front end vertical plane of free platform.In this case, the upper surface of raised line can for plane and and the front end vertical plane of raised line between can there is transition circle cambered surface.In addition, raised line can be arranged on lockup arm middle part, and width is preferably 1/4th to 1/2nd of lockup arm width.In addition, raised line both can extend along the whole longitudinal length of lockup arm, again can be only along the part longitudinal length of lockup arm, extends.
In a preferred embodiment of the present utility model, connector shell can be integrated molded.
According to a preferred embodiment of the present utility model, at the unlocked position of lockup arm, the upper surface of free platform is positioned under chamfered transition wall, at least partly auxiliaryly presses projection and outwards protrudes from chamfered transition wall.
In a specific embodiment of the present utility model, connector shell can also comprise the pivot on two relative sidewalls that are separately positioned on connector shell, wherein the two ends of U-shaped leverage are arranged on respectively on corresponding pivot, and the middle lock portion of U-shaped leverage is across on the upper wall of connector shell.In this case, U-shaped leverage also can be integrated molded.
The utility model also provides a kind of connector, and it comprises above-mentioned connector shell and is arranged on the terminal assemblies in connector shell.
The utility model has increased auxiliary press device on the lockup arm of connector shell, this had both increased in when assembling the coupling mechanism force that leverage is remained on to lock position, also when dismounting, had facilitated lockup arm is applied to push action to discharge the leverage in lock position.
Accompanying drawing explanation
Fig. 1 is a kind of perspective diagram of connector shell;
Fig. 2 is the perspective diagram that the connector shell shown in Fig. 1 has been installed leverage, and wherein leverage is in pre-lock position;
Fig. 3 is the perspective diagram that the connector shell shown in Fig. 1 has been installed leverage, and wherein leverage is in lock position;
Fig. 4 is the perspective diagram according to connector shell of the present utility model;
Fig. 5 is the perspective diagram that the connector shell shown in Fig. 4 has been installed leverage, and wherein leverage is in pre-lock position; And
Fig. 6 is the perspective diagram that the connector shell shown in Fig. 4 has been installed leverage, and wherein leverage is in lock position.
Embodiment
Below in conjunction with accompanying drawing, describe connector shell of the present utility model in detail.It will be appreciated by those skilled in the art that the embodiment the following describes is only to exemplary illustration of the present utility model, but not for it being made to any restriction.In institute's drawings attached, identical Reference numeral represents same or analogous parts.
Fig. 4 has schematically shown connector shell of the present utility model, and its general structure is similar to the connector shell shown in Fig. 1 substantially.
As shown in Figure 4, connector shell of the present utility model comprises upper wall 1, antetheca 2, two relative sidewalls 3 and the chamfered transition walls 4 between upper wall 1 and antetheca 2.On chamfered transition wall 4, be provided with the lockup arm 5 of cantilever beam form.The rear portion of lockup arm 5 (being its cantilever end) is the skew wall 50 that overhangs.The skew wall 50 that overhangs is similar to the part " cutting out " from chamfered transition wall 4 and therefore substantially flushes with chamfered transition wall 4.In fact, whole connector shell is all that Integral mold is molded conventionally.The front portion of lockup arm 5 (being its free end) is free platform 51.Free platform 51 outwards protrudes from chamfered transition wall 4 and has locking front end vertical plane 52 and upper horizontal surface 53.
Different from the connector shell shown in Fig. 1, the upper surface of the lockup arm 5 of connector shell of the present utility model is also provided with projection.As shown in FIG., projection can be the auxiliary projection of pressing that is raised line 6 forms.Although auxiliary shown in Fig. 4 pressed the form that projection has adopted raised line 6, the projection that it will be understood by those skilled in the art that any other suitable form is all feasible.
As shown in Figure 4, raised line 6 longitudinally (front and back length direction) extend in the middle position of lockup arm 5.Raised line 6 has front end vertical plane 60 and upper surface 61.Shown in raised line 6 upper surface 61 for plane and and the front end vertical plane 60 of raised line 6 between there is transition circle cambered surface 62.Transition circle cambered surface 62 is convenient to leverage 7 and is slipped over thereon, as described later.The front end vertical plane 60 of raised line 6 flushes with the locking front end vertical plane 52 of free platform 51.Like this, raised line 6 has just increased the locking vertical plane of lockup arm 5, thereby has increased coupling mechanism force.
The width of the raised line 6 shown in Fig. 4 is narrower than the width of lockup arm 5.The width of raised line 6 be set to lockup arm 5 width 1/4th to two/be relatively applicable to finger for a moment, for example forefinger or middle finger position and press.
Although raised line shown in Fig. 46 extends along the whole longitudinal length of lockup arm 5 substantially,, it also can extend along the part longitudinal length of lockup arm 5, for example, only on free platform 51, extend.
By pressing the auxiliary projection of pressing of raised line 6 forms downwards, lockup arm 5 can move up and down to discharge the leverage 7 that will mention below.
As illustrated in Figures 5 and 6, roughly the two ends of the leverage 7 of U-shaped are arranged on respectively on corresponding pivot 30, and the middle lock portion 70 of leverage 7 is across on the upper wall 1 at connector shell.Leverage 7 self is also integrated molded conventionally.
Leverage 7 can be between the front end lock position shown in the pre-lock position in the rear end shown in Fig. 5 and Fig. 6 pivotable, lock portion 70 thereby upper surface 61 and the transition circle cambered surface 62 thereof that can on upper wall 1, slide into from back to front chamfered transition wall 4 and slip over the raised line 6 on lockup arm 5 in the middle of it, until against comprise locking front end vertical plane 52 and and front end vertical plane 60 increase locking vertical plane.At this moment, the lockup arm 5 that is provided with raised line 6 has just completed the locking effect to leverage 7.
As shown in Figure 6, when needs trip lever mechanism 7, operator can press raised line 6 downwards with finger, until the upper surface of free platform 51 is pressed under chamfered transition wall 4, lockup arm is in the unlocked position, thus trip lever mechanism 7.For example, the transition circle cambered surface 62 that the middle lock portion 70 of leverage 7 slips over raised line 6 is come on its upper surface 61 and is completed dispose procedure.Leverage 7 can turn right subsequently to the position shown in Fig. 5.In a preferred embodiment of the present utility model, at the unlocked position of lockup arm, the upper surface of free platform 51 is pressed under chamfered transition wall 4, and at least partly auxiliaryly presses projection or raised line 6 outwards protrudes from chamfered transition wall 4, handled easily.
As mentioned above, the utility model has increased auxiliary press projection or raised line 6 on the lockup arm 5 of connector shell, this had both increased in when assembling the coupling mechanism force that leverage 7 is remained on to lock position, also when dismounting, had facilitated lockup arm 5 is applied to push action to discharge the leverage 7 in lock position.
While being provided with corresponding terminal assemblies (not specifically illustrating) in connector shell of the present utility model, just become the connector with corresponding uses.
In specification of the present utility model, if no special instructions, direction term " front " and " afterwards ", "up" and "down", " level " and " vertically " and " longitudinally " and " laterally " etc. are all for shown position.