Road lamp cap
The utility model relates to a kind of road lamp cap, particularly relates to a kind of road lamp cap being provided with LED illuminator.
LED light fixture has the features such as life-span length, power saving, is used widely in recent years.Along with the success of great power LED development, be now applied to gradually in city illumination.Simultaneously also along with the continuous enforcement of National Semiconductor illuminating engineering, National Development and Reform Committee LED road lighting bid project and LED street lamp ten city ten thousand projects, the road illuminating lamps such as LED street lamp are by feat of advantages such as efficient, energy-conservation, high colour developings, and oneself is in popularization and application is thrown light on to city ordinary road gradually.
Street lamp common at present comprises lamp stand and is arranged on the LED street lamp lamp holder on lamp stand, and LED street lamp lamp holder comprises upper lamp shade, lower lamp shade, reflecting component, lamp socket, LED light-emitting component, power supply module and top cover etc.During assembled LED streetlamp lamp holder, after lamp socket, lower lamp shade, upper lamp shade are connected successively with top cover, need between each parts due to LED street lamp lamp holder to arrange complicated syndeton, while its integral rigidity demand of guarantee, also to the demand met in water resistance, so then cause LED street lamp lamp holder complicated integral structure, installation steps are loaded down with trivial details.
Summary of the invention
The purpose of this utility model is to provide a kind of favorable sealing property and the high road lamp cap of rigidity.
In order to realize the purpose of this utility model, the utility model provides a kind of road lamp cap, comprise lamp socket, lampshade, top cover, reflecting component, LED chip and stayed mast, in lamp socket, power supply module is installed, lampshade is arranged on lamp socket, top cover is arranged on lampshade, reflecting component is arranged in lampshade, LED chip to be arranged in lampshade and to be fixed on top cover, stayed mast is through reflecting component, the first end of stayed mast is fixedly connected with lamp socket, second end of stayed mast is fixedly connected with top cover, wherein, lampshade is provided with the first bulge loop at the first end near top cover, lampshade is provided with the second bulge loop at the second end near lamp socket, the bottom surface of top cover is provided with the first annular groove, first ring slot is in the outermost of top cover, first annular groove is provided with the first sealing ring, first bulge loop to be arranged in the first annular groove and with the first sealing ring interference fit, lamp socket is provided with the second annular groove, second annular groove is positioned at the outermost of lamp socket, second annular groove is provided with the second sealing ring, second bulge loop to be arranged in the second annular groove and with the second sealing ring interference fit.
From such scheme, by arranging bulge loop in the upper end of lampshade and bottom, and by arranging annular groove at top cover and arranging chute at lamp socket, between annular groove, interference fit sealing ring is set by bulge loop, make firmly to be fixed on lamp socket at the effect lower lamp shade of stayed mast and top cover, this mounting means not only facilitates easily installation and effectively improves the rigidity of road lamp cap, also be conducive to the sealing property improving road lamp cap, when road lamp cap is used out of doors, effectively prevent steam from entering in lampshade.
Further scheme is; the end face of top cover is outwardly provided with over cap; over cap is provided with connecting portion and sealing; connecting portion is arranged on the middle part of over cap; sealing is arranged on the outside of connecting portion, sealing offers the 3rd annular groove, connecting portion and stayed mast threaded engagement; sealing and top cover adjoin, and are provided with the 3rd sealing ring to the 3rd annular groove interference fit.
Therefore, by being provided with sealing ring to interference fit in the 3rd groove of over cap, further improve road lamp cap water resistance.
Further scheme is, LED chip is provided with multiple electroluminescent lamp pearl towards lamp socket, and road lamp cap is also provided with reflector, and reflector is provided with multiple through hole, and reflector is arranged in LED chip, and each through hole is enclosed within outside an electroluminescent lamp pearl.
Therefore, effectively increased the reflection of light by reflector, effectively improve brightness.
Further scheme is, lamp socket is provided with multiple first locating dowel vertically in lampshade, and multiple first locating dowel is circumferentially evenly distributed on lamp socket; The first end of reflecting component has circumferentially extended outwardly flange, and flange offers multiple first locating hole, and flange and lampshade adjoin, and the first locating hole is arranged on the upper of the first locating dowel, and screw is fixedly installed in the first locating dowel through the first locating hole.
Therefore, by the locating dowel axially arranged, effectively limit lampshade and reflecting component rotation in the circumferential, together with by screw reflecting component, lampshade and lamp socket being closely pressed on mutually again, while being conducive to improving road lamp cap integral rigidity, its easy mounting means is also conducive to enhancing productivity.
Further scheme is, reflector is provided with location division at middle part, location division is provided with the conducting strip be electrically connected with LED chip on the end face of lamp socket, location division is penetratingly provided with the second locating hole, stayed mast is through the second locating hole, reflecting component is installed with the elastic contact pin be electrically connected with power supply module on the end face of top cover, and elastic contact pin is electrically connected with conducting strip.
Further scheme is, location division is also provided with the fool proof raised line extended vertically, and reflecting component offers fool proof groove vertically on the end of reflector, and fool proof groove coordinates with fool proof raised line.
Further scheme is, is also provided with fixed mount in lamp socket, and fixed mount is fixed in lamp socket, and fixed mount is provided with fixing hole, stayed mast and fixing hole secure fit.
Therefore, by reflector and reflecting component secure fit, and utilize fixed mount and stayed mast secure fit, be conducive to improving road lamp cap integral rigidity further, utilize the connection of elastic contact pin and conducting strip simultaneously, and the setting of fool proof groove and fool proof raised line, further simplify installation.
Further scheme is, top cover is penetratingly provided with gas port, and gas port is provided with air valve part.
Therefore, because lampshade is arranged sealedly, the air when road lamp cap works in lampshade by expanded by heating, so need to arrange air valve part to carry out balance adjustment to the air pressure in lampshade.
Further scheme is, the end face of top cover is outwardly provided with multiple radiating fin.
Further scheme is, multiple radiating fin spirally distributes on the end face of top cover outwardly.
Therefore, because LED chip and top cover adjoin, so effectively dispelled the heat to the used heat that LED chip produces by the radiating fin of spiral distribution.
Accompanying drawing explanation
Fig. 1 is the structure chart of the utility model road lamp cap embodiment.
Fig. 2 is the exploded view of the utility model road lamp cap embodiment.
Fig. 3 is the exploded view of top cover in the utility model road lamp cap embodiment, the gentle valve member of over cap.
Fig. 4 is the sectional view of the utility model road lamp cap embodiment.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Detailed description of the invention
With reference to the structure chart that Fig. 1, Fig. 1 are road lamp caps 1.Road lamp cap 1 comprises lamp socket 2, lampshade 3 and top cover 4, and the stiff end of lamp socket 2 is used for being fixedly connected with lamp stand, and lampshade 3 is arranged on the top of lamp socket 2, and lampshade 3 adopts light transmissive material to be made, and top cover 4 is arranged on the top of lampshade 3.
With reference to the exploded view that Fig. 2, Fig. 2 are road lamp caps 1.Shape is form container cavity in the middle part of spherical lampshade 3, in the container cavity of lampshade 3, be provided with reflecting component 5, reflecting component 5 in upper end and all uncovered taper in lower end arrange.The outer surface of reflecting component 5 has reflectorized material, and reflecting component 5 is provided with the cavity of hollow vertically.Extend outwardly in the lower end edge circumference of reflecting component 5 and be provided with flange 51, flange 51 penetratingly offers multiple locating hole 52, multiple locating hole 52 is circumferentially evenly distributed in circumference.On the end face towards top cover 4, be provided with two elastic contact pins, 53, two elastic contact pins 53 at reflecting component 5 to be electrically connected with the both positive and negative polarity of power supply respectively by wire.On the end near reflector 451 (see Fig. 4), offer the fool proof groove 54 extended vertically at reflecting component 5, fool proof groove 54 is for coordinating to prevent both positive and negative polarity wrong with reflector 451.
With reference to the exploded view that Fig. 3 composition graphs 2, Fig. 3 are top cover 4, the gentle valve member 42 of over cap 41.Top cover 4 setting in the form of annular discs, top cover 4 end face is outwardly provided with multi-disc radiating fin 43, and multi-disc radiating fin 43 for initial point is arranged in the shape of a spiral, forms the thermal trough being used for air circulation with the center of top cover 4 between adjacent two panels radiating fin 43.The center of top cover 4 is provided with locating hole 411.Over cap 41 is arranged in tubular, and over cap 41 is arranged on the middle part of top cover 4, and covers outside locating hole 411.The periphery of top cover 4 is provided with and is penetratingly provided with gas port 412 vertically, air valve part 42 is installed in gas port 412.
With reference to the sectional view that Fig. 4 composition graphs 2, Fig. 4 are road lamp caps 1.Over cap 41 is provided with connecting portion 416 at middle part, and connecting portion 416, for being arranged on the blind hole in over cap 41, is provided with internal thread at the inwall of this blind hole, and the second end of stayed mast 7 is fixedly connected with by threaded engagement with connecting portion 416.Over cap 41 is circumferentially provided with sealing 413 in the outside of connecting portion 416; sealing 413 is provided with annular groove; over cap 41 is arranged on after on top cover 4, and sealing 413 adjoins with top cover 4, is provided with sealing ring 414 to the space interference fit that the annular groove of sealing 413 and top cover 4 surround.
Top cover 4 is provided with LED chip 45 on the bottom surface towards lampshade 3, and substrate and the top cover 4 of LED chip 45 are adjacent fixing, and the substrate of LED chip 45 is provided with multiple LED electroluminescent lamp pearl 46, multiple LED electroluminescent lamp pearl 46 is evenly distributed in LED chip 45.LED chip 45 is fixedly connected with reflector 451, reflector 451 is provided with multiple through hole, each through hole is enclosed within outside a LED electroluminescent lamp pearl 46, and the end face of reflector 451 towards lamp socket 2 is coated with reflectorized material.Reflector 451 is provided with location division 453 at middle part, and location division 453 is penetratingly provided with through hole.Location division 453 is provided with the conducting strip 452 be electrically connected with LED chip on the end face of lamp socket 2, and elastic contact pin 53 is electrically connected with conducting strip 452.Location division 453 is also provided with the fool proof raised line 454 extended vertically, and fool proof groove 54 coordinates with fool proof raised line 454, polarity wrong when elastic contact pin 53 can be prevented to be electrically connected with conducting strip 452.The middle part of lamp socket 2 is also provided with wire guide, and wire is electrically connected with power supply module through wire guide, and this wire guide is also provided with Water-proof screw.
Lampshade 3 in spherical setting, and is provided with the cavity of hollow at the middle part of lampshade 3, be circumferentially outward extended with bulge loop 311 at lampshade 3 towards opening 31 place of top cover 4.The bottom surface of top cover 4 towards lampshade 3 is provided with annular groove 415, and annular groove 415 is arranged on the outermost of top cover 4, and bulge loop 311 is arranged in annular groove 415, is provided with sealing ring 47 to the space interference fit between annular groove 415 and bulge loop 311.
The cup-shaped setting of lamp socket 2, is formed with the cavity of depression at the middle part of lamp socket 2, be provided with power supply module (not shown), fixed mount 6 and stayed mast 7 in this cavity.Lamp socket 2 is provided with annular groove 21, and annular groove 21 is positioned on the outermost position of lamp socket 2.Circumferentially be extended with bulge loop 321 inwardly at lampshade 3 towards opening 32 place of lamp socket 2, bulge loop 321 is arranged in annular groove 21, is provided with sealing ring 48 to the space interference fit between annular groove 21 and bulge loop 321.
Lamp socket 2 is extended vertically multiple locating dowel 22, and multiple locating dowel 22 is evenly distributed in the circumference of lamp socket 2, and is provided with installing hole in locating dowel 22.The locating hole 52 of reflecting component 5 is arranged on the top of the installing hole of locating dowel 22, is fixedly installed in the installing hole of locating dowel 22 by screw through locating hole 52, then makes the flange 51 of reflecting component 5 adjoin with lampshade 3.
Fixed mount 6 is arranged in arch, be provided with in the both sides of fixed mount 6 for being fixed on installation position, penetratingly locating hole is provided with vertically at the middle part of fixed mount 6, lamp socket 2 correspondingly arranges installing hole on the position that installation position is corresponding, the fixed mount 6 that arch is arranged is installed on lamp socket 2, and is fixedly mounted in installing hole through installation position by screw.Stayed mast 7 is through after locating hole 411, location division 453 and reflecting component 5, and the first end of stayed mast 7 is fixedly connected with by threaded engagement with the locating hole of fixed mount 6.
Therefore; top cover 4 is fixedly connected on, between over cap 41 and lamp socket 2 by stayed mast 7; lampshade 3 and top cover 4 is made all firmly to be fixed on lamp socket 2; the rigidity of structure of road lamp cap 1 entirety is effectively improved by rational topology layout; and utilize that stayed mast 7 is top cover 4, over cap 41, lampshade 3 and lamp socket 2 provide fastening force; make the sealing ring 48 being positioned at annular groove 415 inner seal ring 47 and being positioned at annular groove 21 can effectively prevent steam from entering into lampshade 3, thus improve the water resistance of road lamp cap.