CN207621785U

CN207621785U - A kind of Telescopic LED downlight of high-cooling property

Info

Publication number: CN207621785U
Application number: CN201721590039.9U
Authority: CN
Inventors: 黄观生
Original assignee: Dongguan Love Lanpu Lighting Appliance Co Ltd
Current assignee: Dongguan Love Lanpu Lighting Appliance Co Ltd
Priority date: 2017-11-24
Filing date: 2017-11-24
Publication date: 2018-07-17
Anticipated expiration: 2027-11-24

Abstract

The utility model is related to LED downlight technical fields, and disclose a kind of Telescopic LED downlight of high-cooling property, including shell, the bottom of the shell is installed with glass plate, the housing side is installed with heat dissipation tank, it is installed with cooling fin on the inside of the heat dissipation tank, the heat dissipation tank on the inside of cooling fin far from offering ventilation opening, the middle part fixing sleeve of the enclosure interior is connected to heat-conducting plate, it is installed with LED bulb in the middle part of the heat-conducting plate bottom, circular radiating plate is installed at the top of the heat-conducting plate, the housing side is installed with rack.The Telescopic LED downlight of the high-cooling property, pass through heat sink and heat emission hole, so that wind is entered heat dissipation cavity, take away heat, completes automatic radiation processes, coordinate shell and flexible shell again, it is manually being shunk, air flowing in lamp is being driven, to achieve the effect that ventilation, passive heat radiation is completed, the high-cooling property of downlight heat dissipation is realized.

Description

A kind of Telescopic LED downlight of high-cooling property

Technical field

The utility model is related to LED downlight technical field, the Telescopic LED downlight of specially a kind of high-cooling property.

Background technology

LED light has many advantages, such as high long lifespan, light efficiency, radiationless, shock resistance and low-power consumption, belongs to energy-efficient green ring Protective lighting, therefore also continued to bring out by the LED light of light source of LED, various occasions use more and more therewith, or even substitution is original Incandescent lamp.

Common LED downlight in addition to illumination also have decoration function, but when illuminated between it is long, lamp body temperature it is higher be easy It scalds one's hand, while heat dissipation effect is poor, can not take out lampshade and radiate, therefore common lampshade can not be adjusted, and lead to LED downlight Temperature is excessively high, reduces the light decay of LED chip and reduces the service life of LED chips.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of Telescopic LED downlight of high-cooling property, has and stretches The advantages that contracting heat dissipation, it is poor to solve common LED downlight heat dissipation effect, the problem of influencing service life.

(2) technical solution

To realize that above-mentioned flexible heat dissipation purpose, the utility model provide the following technical solutions：A kind of high-cooling property is stretched The bottom of contracting LED downlight, including shell, the shell is installed with glass plate, and the housing side is installed with heat dissipation Case, is installed with cooling fin on the inside of the heat dissipation tank, and the heat dissipation tank is far from offering ventilation opening, institute on the inside of cooling fin The middle part fixing sleeve for stating enclosure interior is connected to heat-conducting plate, and LED bulb is installed in the middle part of the heat-conducting plate bottom, described to lead Circular radiating plate is installed at the top of hot plate, the housing side is installed with rack, and the hull outside opens up There is the heat emission hole positioned at rack side, opens up hole in the middle part of the case top, the top movable sleeve of the shell is connected to Flexible shell, the bottom of the flexible shell inner wall side are installed with fixture block, and the fixture block front and rear sides offer Ka Dong, institute State and be installed with level-one shaft inside card hole, be movably installed with rotate gear in the level-one shaft, the rotate gear with It is intermeshed between rack, the fixture block both sides offer the hole that turns extended on the outside of flexible shell, the inside points for turning hole It is not installed with level-one shaft and two level shaft, rotate gear is movably installed with respectively in the level-one shaft and two level shaft And adjustment gear, it is intermeshed between the rotate gear and adjustment gear.

Preferably, the shape of the heat dissipation tank is annular, and the side of heat dissipation tank is not contacted with the outer wall of shell.

Preferably, the shape of the circular radiating plate be cylinder, and on circular radiating plate it is evenly distributed have do not connect mutually Tactile heat sink strip.

Preferably, the quantity of the rack is four, and four racks are evenly distributed on hull outside and the axle center with shell Symmetrically.

Preferably, the heat-conducting plate is reflector, and heat-conducting plate and flexible shell are plastic plate, and the flexible shell is light transmission Plate.

Preferably, the quantity of the adjustment gear is two, and two gears are symmetrical with the axle center for the shell that stretches.

(3) advantageous effect

Compared with prior art, the utility model provides a kind of Telescopic LED downlight of high-cooling property, and having following has Beneficial effect：

1, the Telescopic LED downlight of the high-cooling property makes wind enter heat dissipation tank by heat sink and heat emission hole, takes away heat Amount, completes automatic radiation processes, then coordinate shell and flexible shell, is manually being shunk, and drives air in lamp Flowing completes passive heat radiation to achieve the effect that ventilation, realizes the high-cooling property of downlight heat dissipation.

2, the Telescopic LED downlight of the high-cooling property is made shell and is stretched by the mutual cooperation of rack and rotate gear Shell, which is shunk, to be easy, convenient for flexible, more engaging by adjustment gear and rotate gear so that only need with hand adjustment section turning gear Wheel, just can complete the flexible heat dissipation of downlight, prevent hand in flexible heat dissipation from being scalded by downlight, have the function of protection.

Description of the drawings

Fig. 1 is the utility model structure sectional view；

Fig. 2 is the utility model structural front view；

Fig. 3 is the utility model structure top view.

In figure：1 shell, 2 glass plates, 3 heat dissipation tanks, 4 cooling fins, 5 ventilation openings, 6 heat-conducting plates, 7LED light bulbs, 8 annulars dissipate Hot plate, 9 racks, 10 heat emission holes, 11 holes, 12 flexible shells, 13 fixture blocks, 14 turns of holes, 15 Ka Dong, 16 rotate gears, 17 adjust tooth Wheel, 18 level-one shafts, 19 two level shafts.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

Please refer to Fig.1-3, a kind of Telescopic LED downlight of high-cooling property, including shell 1, it is characterised in that：Shell 1 Bottom is installed with glass plate 2, and 1 side of shell is installed with heat dissipation tank 3, and the shape of heat dissipation tank 3 is annular, and heat dissipation tank 3 side is not contacted with the outer wall of shell 1, and the inside of heat dissipation tank 3 is installed with cooling fin 4, and heat dissipation tank 3 is far from cooling fin 4 Inside offer ventilation opening 5, by heat dissipation tank 3, be easily installed cooling fin 4, and be aerated using ventilation opening 5, reach from The effect of main heat dissipation, the middle part fixing sleeve inside shell 1 are connected to heat-conducting plate 6, and heat-conducting plate is installed with LED in the middle part of 6 bottom The top of light bulb 7, heat-conducting plate 6 is installed with circular radiating plate 8, and the shape of circular radiating plate 8 is cylindrical, and circular radiating Evenly distributed on plate 8 to have mutually non-touching heat sink strip, the heat spread out of to LED bulb 7 by heat-conducting plate 6 absorbs, and Heat-conducting plate 6 carries out heat transfer to heat sink 8 and is passively radiated by the special designing of heat sink 8, equally has heat dissipation Effect, 1 side of shell are installed with rack 9, and the quantity of rack 9 is four, and four racks 9 are evenly distributed on outside shell 1 Side is simultaneously symmetrical with the axle center of shell 1, and the outside of shell 1 offers the heat emission hole 10 positioned at 9 side of rack, in 1 top of shell Portion opens up hole 11, and the top movable sleeve of shell 1 is connected to flexible shell 12, and heat-conducting plate 6 is reflector, and heat-conducting plate 6 with it is flexible Shell 12 is plastic plate, and the shell 12 that stretches is light-transmitting plate, and the bottom of flexible 12 inner wall side of shell is installed with fixture block 13, passes through card Block 13 so that lamp avoids shell 1 from being detached with flexible shell 12 when being stretched to a part, plays the role of blocking, before fixture block 13 Both sides offer card hole 15 afterwards, and level-one shaft 18 is installed with inside card hole 15, are movably installed with and turn in level-one shaft 18 Moving gear 16 is intermeshed between rotate gear 16 and rack 9, and 13 both sides of fixture block, which offer, extends to 12 outside of flexible shell Turn hole 14, the inside for turning hole 14 is installed with level-one shaft 18 and two level shaft 19 respectively, and level-one shaft 18 and two level turn Rotate gear 16 and adjustment gear 17 are movably installed on axis 19 respectively, is mutually nibbled between rotate gear 16 and adjustment gear 17 It closes, the quantity of adjustment gear 17 is two, and two gears 17 are symmetrical with the axle center for the shell 12 that stretches, and pass through rack 9 and turning gear The cooperation of wheel 16 so that shell 1 is more prone to the flexible of flexible shell 12, has haved the function that, convenient for flexible, to adjust passing through The cooperation of gear 17 and rotate gear 16, rotation adjustment gear 17 just can adjustment housings 1 and flexible shell 12 it is flexible, more just Victory has regulating effect.

When work, the lamp cap of LED light independently radiates to the cooling fin 4 in heat dissipation tank 3 by ventilation hole 5, by stretching The stretching of contracting shell 12 and shell 1 so that air is entered by heat emission hole 10 and hole 11 in flexible shell 12, and flexible shell 12 is being passed through With the contraction of shell 1 so that air compresses, and is gone out by heat emission hole 10 and hole 11, completes passive ventilation heat dissipation.

In conclusion the Telescopic LED downlight of the high-cooling property makes wind enter heat dissipation by heat sink 4 and ventilation hole 5 Case 3, takes away heat, completes automatic radiation processes, then coordinates shell 1 and flexible shell 12, is manually being received Contracting drives air flowing in lamp, to achieve the effect that ventilation, completes passive heat radiation, realizes the high heat dissipation of downlight heat dissipation Property, by the mutual cooperation of rack 9 and rotate gear 16, so that shell 1 is shunk with flexible shell 12 and be easy, convenient for stretching, more passes through Adjustment gear 17 is engaged with rotate gear 16 so that only needs that with hand adjustment section rotate gear 16, the flexible of downlight just can be completed Heat dissipation prevents hand in flexible heat dissipation from being scalded by downlight, has the function of protection.

It should be noted that herein, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims

1. a kind of Telescopic LED downlight of high-cooling property, including shell (1), it is characterised in that：The bottom of the shell (1) is solid Dingan County is equipped with glass plate (2), and shell (1) side is installed with heat dissipation tank (3), and the inside of the heat dissipation tank (3) is fixed Cooling fin (4) is installed, for the heat dissipation tank (3) far from ventilation opening (5) is offered on the inside of cooling fin (4), the shell (1) is interior The middle part fixing sleeve in portion is connected to heat-conducting plate (6), and LED bulb (7) is installed in the middle part of heat-conducting plate (6) bottom, described Circular radiating plate (8) is installed at the top of heat-conducting plate (6), shell (1) side is installed with rack (9), described The heat emission hole (10) positioned at rack (9) side is offered on the outside of shell (1), the middle part at the top of the shell (1) offers hole The top movable sleeve in hole (11), the shell (1) is connected to flexible shell (12), and the bottom of flexible shell (12) the inner wall side is fixed Fixture block (13) is installed, fixture block (13) front and rear sides offer Ka Dong (15), are fixedly mounted inside the Ka Dong (15) There is level-one shaft (18), rotate gear (16), the rotate gear (16) and tooth are movably installed on the level-one shaft (18) Item is intermeshed between (9), and fixture block (13) both sides, which offer to extend on the outside of flexible shell (12), turns hole (14), described The inside for turning hole (14) is installed with level-one shaft (18) and two level shaft (19), the level-one shaft (18) and two level respectively Rotate gear (16) and adjustment gear (17), the rotate gear (16) and adjustment gear are movably installed in shaft (19) respectively (17) it is intermeshed between.

2. a kind of Telescopic LED downlight of high-cooling property according to claim 1, it is characterised in that：The heat dissipation tank (3) Shape be annular, and the side of heat dissipation tank (3) is not contacted with the outer wall of shell (1).

3. a kind of Telescopic LED downlight of high-cooling property according to claim 1, it is characterised in that：The circular radiating The shape of plate (8) is cylinder, and evenly distributed on circular radiating plate (8) has mutually non-touching heat sink strip.

4. a kind of Telescopic LED downlight of high-cooling property according to claim 1, it is characterised in that：The rack (9) Quantity is four, and four racks (9) are evenly distributed on the outside of shell (1) and symmetrical with the axle center of shell (1).

5. a kind of Telescopic LED downlight of high-cooling property according to claim 1, it is characterised in that：The heat-conducting plate (6) For reflector, and heat-conducting plate (6) and flexible shell (12) are plastic plate, and the flexible shell (12) is light-transmitting plate.

6. a kind of Telescopic LED downlight of high-cooling property according to claim 1, it is characterised in that：The adjustment gear (17) quantity is two, and two gears (17) are symmetrical with the axle center for the shell (12) that stretches.