CN208951725U9

CN208951725U9 - LED lamp with fin radiator

Info

Publication number: CN208951725U9
Application number: CN201822099687.5U
Authority: CN
Inventors: 周小蓓
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-13
Filing date: 2018-12-13
Publication date: 2020-01-17
Anticipated expiration: 2028-12-13
Also published as: CN208951725U

Abstract

The utility model provides a LED lamp with a fin radiator, which comprises a plastic base, a fin radiator and a lampshade, wherein one end of the fin radiator is connected to the plastic base, and the lampshade is connected to the other end of the fin radiator; the plastic base is provided with a first buckling part and a second buckling part on the inner peripheral wall, and the plastic base can be tightly connected with the fin radiator in a clamping mode without any screw through the first buckling part and the second buckling part. The fin radiator can be quickly assembled to the plastic base through the two groups of screw-free clamping structures, so that the structure is stable, and the labor cost is reduced. Meanwhile, the sleeve in the traditional heat dissipation device is eliminated, so that the heat dissipation efficiency is further improved.

Description

LED lamp with fin radiator

Technical Field

The utility model relates to a lamps and lanterns field specifically, relates to a take LED lamp of fin radiator.

Background

Compared with the traditional incandescent lamp and energy-saving lamp, the LED lamp has the characteristics of low energy consumption and long service life, so that the LED lamp is widely used in various fields. When the brightness of the LED is improved, the light energy is easily changed into heat energy, so that the temperature of the lamp body is higher. Excessive temperatures can greatly reduce the useful life of the LED lamp and increase power consumption. Therefore, the heat dissipation efficiency of the LED lamp is particularly important.

In order to solve the technical problem, patent CN201310473684.2 provides an LED bulb lamp, which comprises a lamp holder, a connector, a fin radiator, a light source module, and a light-transmitting cover. The finned heat sink is connected to the lamp base by a post that nests over the lamp base. Although the connection is convenient, the provided column blocks the air flow, thereby reducing the heat dissipation efficiency.

In order to solve the problem of heat dissipation efficiency, patent CN201210253842.9 provides an LED candle lamp, which includes a candle lamp fixture including a heat-conducting conversion plate and a fin radiator. The LED lamp module is directly arranged in the fin radiator, and the fin radiator is fixed on the LED lamp head through bolts. Although the heat dissipation efficiency is improved, the fin radiator connected through the bolts is inconvenient to disassemble and assemble, and the labor cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects existing in the prior art,

an LED lamp with a fin radiator comprises a plastic base, the fin radiator and a lampshade, wherein one end of the fin radiator is connected to the plastic base, and the lampshade is connected to the other end of the fin radiator;

the fin radiator comprises a plurality of radiating fins which are distributed at equal intervals along a ring shape, and the tops of the plurality of radiating fins comprise a hook part and a first notch; the first buckling parts and the first notches are correspondingly buckled and arranged one by one, and the second buckling parts are buckled and connected with the buckling and hooking parts of the radiating fins.

Furthermore, a plurality of notches are equidistantly arranged on the first buckling part.

Furthermore, the space between the plurality of radiating fins and the plurality of notches are in one-to-one corresponding clamping connection.

Furthermore, the first buckling part is an annular wall arranged on the inner peripheral wall of the plastic base, and the notch is formed in the tail end of the annular wall.

Furthermore, the radiating fin further comprises a guide part, and the guide part can guide and limit the second buckling part in the buckling process, so that the second buckling part can reach a preset position.

Furthermore, the radiating fin is also provided with a second notch, and when the fin radiator is connected to the plastic base, the second notch can be connected with the first buckling part in a buckling mode.

Furthermore, a plurality of holes are formed in the peripheral wall of the plastic base.

Furthermore, the hole is formed at the joint of the second buckling part and the plastic base.

Has the advantages that: the utility model provides a LED lamp with fin radiator is provided with two sets of block structures, and the two is not fixed through any screw to on can realizing fin radiator fast assembly to the plastic base through two sets of block structures, not only the structure is firm, but also has reduced the cost of labor. Meanwhile, the sleeve in the traditional heat dissipation device is eliminated, so that the heat dissipation efficiency is further improved.

Drawings

Fig. 1 is a schematic structural view of an LED lamp with a fin heat sink according to an embodiment of the present invention;

FIG. 2 is a schematic view of the base structure shown in FIG. 1;

FIG. 3 is a schematic structural view of the finned heat sink shown in FIG. 1;

fig. 4 is a schematic view of the structure of the heat sink shown in fig. 3.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, the present invention provides an LED lamp 400 with a fin heat sink, which includes a plastic base 100, a fin heat sink 200 and a lamp cover 300. One end of the fin radiator 200 is connected to the plastic base 100 through a snap structure, and the lamp cover 300 is connected to the other end of the fin radiator 200. The plastic base 100 and the fin heat sink 200 can be tightly connected together by pressing.

The plastic base 100 is a hollow cone-like structure as a whole. One end of the plastic base 100 is provided with a lamp cap 101, and the lamp cap 101 is a threaded interface or a snap interface. The other end of the plastic base 100 is an opening. The inner peripheral wall of the plastic base 100 is provided with a first fastening part 102 and a second fastening part 103. Through the first fastening portion 102 and the second fastening portion 103, the plastic base 100 can be tightly fastened to the fin heat sink 200. The peripheral wall of the plastic base 100 is further provided with a plurality of holes 104.

In an embodiment of the present invention, the first fastening portion 102 is an annular wall 102 disposed on the inner peripheral wall of the plastic base 100, and a plurality of notches are equidistantly disposed on the top of the annular wall 102. In another embodiment of the present invention, the first fastening portion 102 may also be a plurality of arc-shaped walls 102 disposed on the inner peripheral wall of the plastic base 100 at the same interval, and the end of the arc-shaped wall is equidistantly provided with a plurality of gaps 1021. When the fin heat sink 200 is connected to the plastic base 100, the plurality of notches 1021 can be engaged with the fin heat sink 200, so as to prevent the fin heat sink 200 from rotating relative to the plastic base 100. The rotation of the fin radiator 200 in the radial direction with respect to the plastic base 100 can be limited.

The second fastening portion 103 is disposed on the inner peripheral wall of the plastic base 100. In this embodiment, the number of the second fastening portions 103 is multiple, and the fastening portions 103 are connected to the fin heat sink 200. In the present embodiment, the number of the locking portions 103 is four. It is understood that, in other embodiments, the number of the fastening portions 103 may be other, and the present invention is not limited thereto. The second locking portion 103 includes a body portion 1031 and a retaining ring 1032. One end of the body 1031 is connected to the inner peripheral wall of the plastic base, and the other end is connected to the retaining ring 1032.

The fin radiator 200 includes a plurality of fins 201 that are equally spaced along a ring. The distance between the plurality of heat dissipation fins 201 is equal to the distance between the plurality of notches 1021 on the first snap structure 102.

The plurality of heat dissipation fins 201 are fixed by the fixing device 202, thereby forming an integral stable structure. The illustrated heat sink includes a first notch 2011, a second notch 2012, a guide 2013, an abutment 2014, a hook 2105, and a securing hole 2016.

The first notch 2011 is disposed at one end of the top of the heat sink 201, and the first notch 2011 can be engaged with the first engaging structure 102, so as to cooperate to limit the relative movement between the plastic lamp base 100 and the fin heat sink 200 in the radial direction.

The second notch 2012 is disposed at one side of the top of the heat sink 201, and the second notch 2012 is fixed to the fixing device 202. The fixing device 202 is snapped into the second notch 2012 to define the position of the heat sink 201. The fixing hole 2016 is coupled to the fixing device 202, so that the fixing device 202 can be firmly coupled to the heat sink 201.

The guide part 2012 can limit and guide the second locking part 102, so that the second locking part 102 can be smoothly conducted to a predetermined position in the pressing process.

The abutting portion 2014 can abut against the second locking portion 103, so that the second locking portion 103 can be smoothly locked and set with the hook portion 2015.

The fastening portion 2015 is fastened with the fastening ring 1032 in a matching manner, so that the plastic base 100 and the fin heat sink 200 are tightly fastened to prevent the plastic base 100 and the fin heat sink from being dislocated in the axial direction of the LED lamp 400 with the fin heat sink.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. An LED lamp with a fin radiator is characterized by comprising a plastic base, the fin radiator and a lampshade, wherein one end of the fin radiator is connected to the plastic base, and the lampshade is connected to the other end of the fin radiator;

2. The finned heat sink LED lamp of claim 1, wherein the first snap-fit portion has a plurality of notches positioned equidistantly.

3. The LED lamp with a finned heat sink of claim 2, wherein the spacing between the plurality of fins and the plurality of notches are snap fit in a one-to-one correspondence.

4. The LED lamp with fin heat sink as claimed in claim 2, wherein the first locking portion is a ring-shaped wall disposed on the inner peripheral wall of the plastic base, and the notch is disposed at the end of the ring-shaped wall.

5. The LED lamp with a fin radiator of claim 2, wherein the heat sink further comprises a guide portion, the guide portion being capable of guiding and limiting the second latching portion during latching, thereby ensuring that the second latching portion can reach a predetermined position.

6. The LED lamp with fin radiator of claim 3, wherein said heat sink further has a second notch, said second notch being capable of snapping into connection with said first snap-fit portion when said fin radiator is connected to said plastic base.

7. The LED lamp with fin heat sink as claimed in claim 1, wherein the plastic base further has a plurality of holes on the peripheral wall.

8. The LED lamp with fin heat sink of claim 7, wherein the hole is disposed at a connection of the second fastening portion and the plastic base.