CN207486488U - A kind of screw type LEDbulb lamp - Google Patents

Abstract

The utility model provides a kind of screw type LEDbulb lamp, threaded lamp cap is set including side wall, the lower end of the lamp cap is fixed with aluminum enclosure, the aluminum enclosure is cylindrical shape, the lower end of the aluminum enclosure is fixed with the circular bottom plate being made of metal, the lower face of the circular bottom plate is fixed with aluminum substrate, the aluminum substrate is equipped with LED lamp bead, the aluminum substrate is electrically connected with the drive circuit board being fixed in the aluminum enclosure, the lower end of the circular bottom plate is equipped with the globe glass lamp shade that can cover the aluminum substrate, sealing ring is equipped between the globe glass lamp shade and the circular bottom plate, cooling fin is circumferentially evenly equipped between the aluminum enclosure outer wall and the circular bottom plate upper surface.The utility model screw type LEDbulb lamp, simple and compact for structure, good appearance is easy to assembly quick, at low cost, while perfect heat-dissipating, service life are long.

Description

A kind of screw type LEDbulb lamp

Technical field

The utility model is related to a kind of LED light, more particularly to a kind of screw type LEDbulb lamp.

Background technology

The maximum market of LEDbulb lamp illumination is commercial market, and the most and globular bulb that city is civilian, tradition are white Vehement lamp (tengsten lamp) energy consumption is high, short life, under the overall situation of global resources anxiety, forbids producing by national governments gradually, Substitute products are electronic energy-saving lamps therewith, although electronic energy-saving lamp improves energy-saving effect, but due to the use of many pollution rings The heavy metal element in border, and run counter to the main trend of environmental protection.It is increasingly becoming with the high speed development LED illumination of LED technology The only choosing of novel green illumination.LED principle of luminosity, energy-saving and environmental protection level on all be far superior to traditional lighting products. Traditional LEDbulb lamp assembling is inconvenient, and assembly cost is high, and heat dissipation performance is poor, influences service life.

Utility model content

【1】Technical problems to be solved

The technical problem to be solved by the present invention is to provide a kind of quick, thermal diffusivities simple and compact for structure, easy to assembly It can good and service life length screw type LEDbulb lamp.

【2】The technical solution solved the problems, such as

The utility model provides a kind of screw type LEDbulb lamp, and threaded lamp cap 1, the lamp cap are set including side wall Lower end be fixed with aluminum enclosure 2, the aluminum enclosure is cylindrical shape, and the lower end of the aluminum enclosure is fixed with by made of metal Into circular bottom plate 3, the lower face of the circular bottom plate is fixed with aluminum substrate 5, and the aluminum substrate is equipped with LED lamp bead 51, institute It states aluminum substrate and is electrically connected with the drive circuit board being fixed in the aluminum enclosure, the lower end of the circular bottom plate, which is equipped with, can cover institute The globe glass lamp shade 4 of aluminum substrate is stated, sealing ring, the aluminum hull are equipped between the globe glass lamp shade and the circular bottom plate In vitro cooling fin 21 is circumferentially evenly equipped between wall and the circular bottom plate upper surface.

Further, the side wall of the cooling fin include from bottom to top the first arcwall face 11 of sequentially connected convex and The second arcwall face 212 to concave, the radius of first arcwall face is identical with the radius of the globe glass lamp shade, and described Two arcwall faces and first arcwall face be tangent and radius is less than the radius of first arcwall face.

Further, the thickness of the cooling fin is less than or equal to 2mm, between the root of adjacent two cooling fin away from From the thickness more than or equal to the cooling fin.

Further, the aluminum enclosure includes the first cylinder and the second cylinder of coaxial arrangement, first cylinder The outer diameter of body is less than the outer diameter of second cylinder, and step is formed between first cylinder and second cylinder Face, the cooling fin is arranged on the second cylinder outer wall and the top surface of the cooling fin and the step surface be located at it is same In plane.

Further, bar shaped slot is equipped in the aluminum enclosure, the direction of insertion of the bar shaped slot is parallel to the aluminium The axis of housing, the drive circuit board are plugged in the bar shaped slot.

【3】Advantageous effect

The utility model screw type LEDbulb lamp, simple and compact for structure, good appearance is easy to assembly quick, at low cost, Perfect heat-dissipating, service life are long simultaneously.

Description of the drawings

Fig. 1 is the structure diagram of the utility model screw type LEDbulb lamp；

Fig. 2 is another angled arrangement schematic diagram of the utility model screw type LEDbulb lamp；

Fig. 3 is the sectional view of the utility model screw type LEDbulb lamp.

Specific embodiment

Below in conjunction with the accompanying drawings, the utility model embodiment is discussed in detail.

Refering to Fig. 1 to Fig. 3, the utility model provides a kind of screw type LEDbulb lamp, and threaded lamp is set including side wall First 1, the lower end of lamp cap is fixed with aluminum enclosure 2, and aluminum enclosure is cylindrical shape, and the lower end of aluminum enclosure is fixed with by made of metal Into circular bottom plate 3, the diameter of the circular bottom plate is more than the diameter of aluminum enclosure, and in the present embodiment, the circular shell is made of aluminum, Aluminum substrate 5 is fixed in the lower face of circular bottom plate, several LED lamp beads 51, the aluminum substrate and fixation are equipped on the aluminum substrate Drive circuit board electrical connection in aluminum enclosure, specifically, being equipped with bar shaped slot, the insertion side of the bar shaped slot in aluminum enclosure To the axis for being parallel to aluminum enclosure, drive circuit board is plugged in bar shaped slot and realizes fixation, is set in the lower end of circular bottom plate The globe glass lamp shade 4 of aluminum substrate can be covered by having, and the diameter of the globe holder is identical with the diameter of circular bottom plate, and globe holder It is whole hemispherical, sealing ring is equipped between globe glass lamp shade and circular bottom plate, on aluminum enclosure outer wall and circular bottom plate Cooling fin 21 is circumferentially evenly equipped between end face；Specifically, the side wall of the cooling fin in the present embodiment includes from bottom to top successively connecting First arcwall face 11 of the convex connect and the second arcwall face 212 to concave, radius and the spherical glass lamp of the first arcwall face The radius of cover is identical, and the first arcwall face and circular bottom plate side wall are tangent, and the second arcwall face and the first arcwall face are tangent and second The radius of arcwall face is less than the radius of the first arcwall face；In order to improve heat dissipation performance, the thickness of the cooling fin in the present embodiment is small In or equal to 2mm, preferably 1mm, between the root (and junction with the side wall of aluminum enclosure) of adjacent two cooling fin away from From the thickness more than or equal to cooling fin；Above-mentioned aluminum enclosure include coaxial arrangement the first cylinder and the second cylinder, first Cylinder is located at the second cylinder upper end, and the height of the first cylinder is less than the height of the first cylinder, should in the present embodiment The height of first cylinder for the height of the second cylinder 1/6 to 1/5, and the upper chamfer of the first cylinder, the first cylinder The outer diameter of body is less than the outer diameter of the second cylinder, step surface is formed between the first cylinder and the second cylinder, cooling fin is set It puts in being generally aligned in the same plane in the top surface of the second cylinder outer wall and the cooling fin and step surface.

The utility model screw type LEDbulb lamp, simple and compact for structure, good appearance is easy to assembly quick, at low cost, Perfect heat-dissipating, service life are long simultaneously.

The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, under the premise of the utility model technical principle is not departed from, several improvements and modifications can also be made, these change The scope of protection of the utility model is also should be regarded as into retouching.

Claims (5)

1. a kind of screw type LEDbulb lamp, it is characterised in that：Threaded lamp cap, the lower end end of the lamp cap are set including side wall Portion is fixed with aluminum enclosure, and the aluminum enclosure is cylindrical shape, and the lower end of the aluminum enclosure is fixed with the circle being made of metal Bottom plate, the lower face of the circular bottom plate are fixed with aluminum substrate, and the aluminum substrate is equipped with LED lamp bead, and the aluminum substrate is with consolidating The drive circuit board electrical connection being scheduled in the aluminum enclosure, the lower end of the circular bottom plate are equipped with the ball that can cover the aluminum substrate Shape glass lamp shade, between the globe glass lamp shade and the circular bottom plate be equipped with sealing ring, the aluminum enclosure outer wall with it is described Circular bottom plate is circumferentially evenly equipped with cooling fin between upper surface.

2. screw type LEDbulb lamp as described in claim 1, it is characterised in that：The side wall of the cooling fin include by lower and First arcwall face of upper sequentially connected convex and the second arcwall face to concave, the radius of first arcwall face with it is described The radius of globe glass lamp shade is identical, and second arcwall face is tangent with first arcwall face and radius is less than described first The radius of arcwall face.

3. screw type LEDbulb lamp as described in claim 1, it is characterised in that：The thickness of the cooling fin is less than or equal to The distance between 2mm, the root of adjacent two cooling fin is greater than or equal to the thickness of the cooling fin.

4. screw type LEDbulb lamp as described in claim 1, it is characterised in that：The aluminum enclosure includes the of coaxial arrangement One cylinder and the second cylinder, the outer diameter of first cylinder are less than the outer diameter of second cylinder, first circle Form step surface between cylinder and second cylinder, the cooling fin is arranged on the second cylinder outer wall and described The top surface of cooling fin is generally aligned in the same plane interior with the step surface.

5. screw type LEDbulb lamp as described in claim 1, it is characterised in that：Bar shaped slot, institute are equipped in the aluminum enclosure The direction of insertion for stating bar shaped slot is parallel to the axis of the aluminum enclosure, and the drive circuit board is plugged in the bar shaped slot It is interior.