A kind of power packTechnical field
The present invention relates to power supply changeover device, be specifically related to the power pack of power supply changeover device.
Background technology
Being presently used for the power supply changeover device powered for diode Down lamp, two of its power pack respectively connectedPower supply input connecting line and power supply output connecting line, power supply output connecting line is directly connected with Down lamp, and power supply is defeatedThe end entering connecting line is provided with the wiring male being connected with wiring female.It is true that power supply input connecting lineExtraction unnecessary, add the cost of power pack in vain, and, packaging is also inconvenient.
Summary of the invention
The technical problem to be solved is: provides a kind of and can reduce cost and be easy to packagingPower pack.
For solving above-mentioned technical problem, the technical solution used in the present invention is: a kind of power pack, including:The cover box being bolted together and back box, the front end-plate of described cover box offers and power supply wiring male or power supplyThe plant-grid connection gap that wiring female matches, the bottom surface of described back box inner chamber is provided with at least one pair of and instituteState the locating dowel matched in the hole, location on power connection, the end face of locating dowel offer downwards telescopic chute,The location grab of outwardly convex, described telescopic chute it is respectively arranged with on the outer surface of the both sides sidewall of telescopic chuteBottom less than the bottom of described location grab.
As a kind of preferred version, in described a kind of power pack, described cover box is being positioned at plant-grid connectionThe locking card matched with power supply wiring female or power supply wiring male it is provided with on front end-plate above gapHook.
As a kind of preferred version, in described a kind of power pack, the straight-arm of described location grab setsIt is equipped with pressing boss.
As a kind of preferred version, in described a kind of power pack, the surface configuration of described pressing bossThere is anti-slip veins.
As a kind of preferred version, in described a kind of power pack, the rear portion of described cover box offers power supplyDelivery outlet, power output is provided with line ball lid.
As a kind of preferred version, in described a kind of power pack, described cover box is concrete with line ball lidConnected mode is: described cover box is provided with at least three line ball lid bayonet socket at power output, describedIt is provided with on line ball lid and described line ball lid bayonet socket line ball lid grab one to one, time assembled, line ball lidGrab is fastened in cover box corresponding line ball lid bayonet socket.
As a kind of preferred version, in described a kind of power pack, described back box is at the power supply with cover boxBeing provided with at least one card line projection perpendicular with direction of routing on the position that delivery outlet is corresponding, card line is convexCrossed beam trunking it is provided with on block.
As a kind of preferred version, in described a kind of power pack, described back box and the concrete spelling of cover boxDress mode is: be provided with outwardly convex on the outer surface of the both sides sidewall of described back box and the sidewall at rear portionAssembled fixture block, the corresponding site of described cover box is provided with the assembled draw-in groove matched with assembled fixture block, assembledTime, the assembled fixture block in back box is fastened in the respective card slot of cover box.
As a kind of preferred version, in described a kind of power pack, the both sides sidewall of described back box and rear portionSidewall inner surface on be provided with the support column for supporting printed wiring board.
The invention has the beneficial effects as follows: the present invention by wiring male or female are directly installed in power pack,Thus eliminate power pack this power supply input connecting line, reduce cost, facilitate packaging.Additionally,Owing to having offered power output at the rear portion of cover box, thus can be at the track in being placed in power packJunction block for connecting power supply output connecting line is installed on the plate of road so that power pack exports connecting line with power supplyRelatively independent with Down lamp, greatly facilitate the packaging of power pack and Down lamp.
Accompanying drawing explanation
Fig. 1 is the detonation configuration schematic diagram at a visual angle of power pack of the present invention.
Fig. 2 is the perspective view of the wiring female matched with the wiring male in Fig. 1.
Fig. 3 is the detonation configuration schematic diagram at another visual angle of power pack of the present invention.
Reference in Fig. 1 to Fig. 3 is: 1, back box, 11, assembled fixture block, 12, locating dowel, 121,Telescopic chute, 122, location grab, 13, support column, 2, printed wiring board, 21, junction block, 3, cover box,30, plant-grid connection gap, 31, assembled bayonet socket, 32, card line projection, 33, locking grab, 331, pressingBoss, 34, power output, 35, line ball lid bayonet socket, 4, line ball lid, 45, line ball lid grab, 5,Wiring male, 52, hole, location, 6, wiring female, 63, locking bayonet socket.
Detailed description of the invention
1 to Fig. 3 below in conjunction with the accompanying drawings, describes the specific embodiments of a kind of power pack of the present invention in detail.
As shown in figures 1 and 3, a kind of power pack of the present invention, including: the back box 1 being bolted togetherWith cover box 3, its concrete erection method is: on the outer surface of the both sides sidewall of described back box 1 and the sidewall at rear portionIt is provided with the assembled fixture block 11 of outwardly convex, the corresponding site of described cover box 3 is provided with and assembled fixture blockThe 11 assembled draw-in grooves 31 matched, time assembled, the assembled fixture block 11 in back box 1 is fastened on the phase of cover box 3Answer in draw-in groove 31；Offer the plant-grid connection matched with wiring male 5 on the front end-plate of described cover box 3 to slitMouthfuls 30, the bottom surface of described back box 1 inner chamber is provided with a pair with hole, location 52 phase in described wiring male 5The locating dowel 12 coordinated, the end face of locating dowel 12 offers downwards telescopic chute 121, the two of telescopic chute 121The location grab 122 of outwardly convex, the end of described telescopic chute 121 it is respectively arranged with on the outer surface of side sidewallPortion is less than the bottom of described location grab 122 so that location grab 122 has more preferable elasticity, with convenientThe installation of wiring male 5；The rear portion of described cover box 3 offers power output 34, on power output 34Being provided with line ball lid 4, its concrete connected mode is: described cover box 3 is provided with around power output 34Three line ball lid bayonet sockets 35 (one, top, following two), described line ball lid 4 is provided with describedLine ball lid bayonet socket 35 line ball lid grab 45 one to one, time assembled, the line ball lid grab on line ball lid 445 are fastened in the described corresponding line ball lid bayonet socket 35 of cover box 3；Described back box 1 is at the power supply with cover box 3A pair card perpendicular with the direction of routing of power supply output connecting line it is provided with on the position that delivery outlet 34 is correspondingLine projection 32, card line projection 32 is provided with crossed beam trunking；The both sides sidewall of described back box 1 and the sidewall at rear portionInner surface on be provided with the support column 13 for supporting printed wiring board 2.In the present embodiment, describedCover box 3 to be positioned on the front end-plate above plant-grid connection gap 30 wiring being provided with as shown in Figure 2 femaleThe locking grab 33 that locking bayonet socket 63 on 6 matches, the straight-arm of this locking grab 33 is provided with useIn pressure-locking the pressing boss 331 of grab 33 hook portion, the surface configuration of pressing boss 331 has anti-slip veins.
During actual application, relative with at the power output 34 of cover box 3 on described printed wiring board 2The position answered is provided with the junction block 21 for connecting out-put supply connecting line.
Certainly, described power pack can also be installed power supply and connect female, external power supply input connecting lineUpper installation power supply connects male, meanwhile, power supply preferably connects the locking bayonet socket in female and is arranged on power supply evenConnect in male.
In sum, only presently preferred embodiments of the present invention, not it is used for limiting the model that the present invention implementsEnclose, all impartial changes made according to the shape described in scope of the invention as claimed, structure, feature and spiritWith modification, all should be included in scope of the presently claimed invention.