CN201293278Y

CN201293278Y - LED lamp with clamping and fixing structure

Info

Publication number: CN201293278Y
Application number: CNU2008201369846U
Authority: CN
Inventors: 尤宏文; 李新明
Original assignee: Edison Opto Corp
Current assignee: YANGZHOU EDISON OPTO CO Ltd
Priority date: 2008-10-28
Filing date: 2008-10-28
Publication date: 2009-08-19
Anticipated expiration: 2018-10-28

Abstract

The utility model discloses an LED lamp with a latch fixing structure, comprising a lamp holder, a heat sink, a latch fixing structure and an LED light emitting module, the lamp holder having a cylinder, the heat sink having a ring wall formed thereon, the latch fixing structure comprising a first thread formed on the outer peripheral edge of the cylinder, a hook extending from one end of the cylinder, a second thread formed on the inner wall of the ring wall and screwed to the first thread, and a slot latched and fixed to the hook on the ring wall, the LED light emitting module being connected to an end of the heat sink away from the lamp holder; therefore, a firm and stable combination between the lamp holder and the heat sink can be achieved.

Description

LED light fixture with clip fixed structure

Technical field

The utility model relates to a kind of LED light fixture, relates in particular to a kind of LED light fixture with clip fixed structure.

Background technology

(Light Emitting Diode LED) has characteristics such as low power consuming, power saving, long service life, volume is little, reaction is fast to light emitting diode, progressively replaces conventional bulb and in various lightings of extensive use or the light-emitting device; These lightings or light-emitting device are for increasing range of exposures and brightness, normally most LED are combined into a led module, combine with lamp holder with radiator respectively again, yet radiator and lamp holder are made with different materials respectively, quite difficult aspect the firmness of combination, and various countries work out the safety standard that strictness is arranged all respectively.

Existing LED light fixture, mainly comprise a lamp holder, a radiator and a LED light emitting module, lamp holder has a cylindrical shell, form an external screw thread in the cylindrical shell outer peripheral edges, and radiator forms a ringwall, form an internal thread that is spirally connected mutually with aforementioned external screw thread in the ringwall inwall, the LED light emitting module is connected in the end of radiator away from lamp holder; So, to be combined into a LED light fixture.

Yet, existing LED light fixture, on using, reality still has the following problems point, because its lamp holder and radiator are made with plastic material and metal material respectively, on the problem of size making and tolerance fit, also can't obtain control effectively, and it is only by the combination that is spirally connected of internal and external screw thread, often because transportation, move or installation process in the vibrations or the rotation that are produced, promptly can cause both generations to get loose or segregation phenomenon.

Summary of the invention

A purpose of the present utility model is to provide a kind of LED light fixture with clip fixed structure, and it can reach the firm and stable bond between lamp holder and the radiator.

To achieve the above object, the utility model provides a kind of LED light fixture with clip fixed structure, comprises a lamp holder, a radiator, a clip fixed structure and a LED light emitting module, and this lamp holder has a cylindrical shell; This radiator forms a ringwall; This clip fixed structure comprises one first screw thread that takes shape in these cylindrical shell outer peripheral edges, extend from an end of this cylindrical shell a grab arranged, take shape in this ringwall inwall and one second screw thread that is spirally connected mutually with this first screw thread, and at this ringwall is provided with and the mutual clip of this grab is a fixing draw-in groove; This LED light emitting module is connected in the end of this radiator away from this lamp holder.

Another purpose of the present utility model, be to provide a kind of LED light fixture with clip fixed structure, it is by press from both sides the elastic washer of pulling between lamp holder and radiator, the rotation that not only can prevent the vibrations that cause because of handling process or installation process effectively separates it, more can overcome and respectively form tolerance and the assembly problem that assembly is caused when making.

Another purpose of the present utility model is to provide a kind of LED light fixture with clip fixed structure, and it is provided with interconnective profile and catching groove at lid and radiator, is reached be connected knot and increasing in conjunction with firmness of three-dimensional button.

Beneficial functional of the present utility model is: adopt the LED light fixture the utlity model has the clip fixed structure, can overcome existing structure and be easy to generate and get loose or the shortcoming of segregation phenomenon, reach between lamp holder and the radiator firmly and the purpose of stable bond.

Below in conjunction with the drawings and specific embodiments the utility model is described in detail, but not as to qualification of the present utility model.

Description of drawings

Fig. 1 is the three-dimensional exploded view of the utility model LED light fixture;

Fig. 2 is the combination appearance figure of the utility model LED light fixture;

Fig. 3 is the assembled sectional view of Fig. 2;

Fig. 4 is the a-quadrant partial enlarged drawing of Fig. 3;

Fig. 5 is the B zone partial enlarged drawing of Fig. 3.

Wherein, Reference numeral

10 lamp holders

11 cylindrical shells, 111 flanges

112 first screw threads, 113 grabs

12 copperheads

20 radiators

21 ringwalls, 22 fin

221 catching grooves, 23 planes

24 accommodation spaces, 25 second screw threads

26 draw-in grooves

30 LED light emitting modules

40 elastic washers

50 lids

51 annular slabs, 52 coaming plates

53 clampping plates, 54 profiles

The specific embodiment

Relevant detailed description of the present utility model and technology contents cooperate graphic being described as follows, yet appended graphic reference and the explanation usefulness of only providing not is to be used for the utility model is limited.

See also Fig. 1, Fig. 2 and shown in Figure 3, be respectively the assembled sectional view of three-dimensional exploded view, combination appearance figure and Fig. 2 of the utility model LED light fixture, the utility model provides a kind of LED light fixture with clip fixed structure, and it mainly comprises a lamp holder 10, a radiator 20 and a LED light emitting module 30.

Lamp holder 10 is combined by a stepped circular cylinder body 11 and a copperhead 12, and this cylindrical shell 11 forms an annular lip 111 with the made insulator of insulating materials such as plastics at the end away from copperhead 12.

Radiator 20 is made with the material that aluminium etc. is led, thermal diffusivity is good, has a circular ringwall 21 (as shown in Figure 3), outer surface in ringwall 21 has outwards protruded out a plurality of fin 22, and locates to be provided with a catching groove 221 of mutual correspondence above each fin 22.Form and the said flange 111 mutual planes 23 (as shown in Figure 4) of pasting of supporting at the link of ringwall 21 in addition with cylindrical shell 11; Again, the centre at each fin 22 encloses formation one accommodation space 24 jointly.

The clip fixed structure comprise one first screw thread 112 that takes shape in cylindrical shell 11 outer peripheral edges and be positioned at flange 111 tops, from cylindrical shell 11 away from an end elongation moulding of first screw thread 112 grab 113 arranged, take shape in ringwall 21 inwalls and one second screw thread 25 that is spirally connected mutually with first screw thread 112, and at an end be provided with and grab 113 mutual clips fix the draw-in groove 26 of ringwall 21 away from second screw thread 25; First screw thread 112 of present embodiment is an external screw thread, and second screw thread 25 is an internal thread, and grab 113 also can be single kenel in addition.

LED light emitting module 30 is mainly combined by assemblies such as circuit board, LED, lens and reflection shields, and is connected with lead and lamp holder 10 connects mutually from circuit board, because it be an existing structure, so is not giving unnecessary details explanation one by one in detail; LED light emitting module 30 is located in the accommodation space 24 of radiator 20, and is connected in the end of radiator 20 away from lamp holder 10.

See also Fig. 3 and shown in Figure 4, preferableization, the utility model also comprises an elastic washer 40, it is made that this elastic washer 40 has an elastic deformation material with rubber etc., its folder is pulled between flange 111 and plane 23, to be formed with the elasticity clamping force between lamp holder 10 and radiator 20.

See also Fig. 1, Fig. 3 and shown in Figure 5, preferableization, the utility model also comprises a lid 50, it is constituted by an annular slab 51 and from a coaming plate 52 of the periphery bending forming of annular slab 51, form the clampping plate 53 (as shown in Figure 1) that corresponding aforesaid fin 22 is done the location in the inside of annular slab 51 and coaming plate 52, the clampping plate 53 of present embodiment is made of two mutual parallel plates, produces radially rotation to prevent radiator 20 and lid 50; Be extended with in addition and make three-dimensional with the catching groove 221 of aforementioned fin 22 and buckle a solid profile 54 (as shown in Figure 1), with being fixed on the radiator 20 LED light emitting module 30 firm stable at coaming plate 52 root edge inwalls.

In sum, the LED light fixture with clip fixed structure of the present utility model really can reach the application target of expection, and solves existing disappearance.

Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.

Claims

1. the LED light fixture with clip fixed structure is characterized in that, comprising:

One lamp holder has a cylindrical shell;

One radiator forms a ringwall;

One clip fixed structure, comprise one first screw thread that takes shape in these cylindrical shell outer peripheral edges, extend from an end of this cylindrical shell a grab arranged, take shape in this ringwall inwall and one second screw thread that is spirally connected mutually with this first screw thread, and at this ringwall is provided with and the mutual clip of this grab is a fixing draw-in groove; And

One LED light emitting module is connected in the end of this radiator away from this lamp holder.

2. the LED light fixture with clip fixed structure according to claim 1 is characterized in that this lamp holder also comprises a copperhead that is connected in this cylindrical shell.

3. the LED light fixture with clip fixed structure according to claim 1 is characterized in that this cylindrical shell is an insulator spare.

4. the LED light fixture with clip fixed structure according to claim 1 is characterized in that this first screw thread is an external screw thread, the internal thread of this second screw thread for matching with this external screw thread.

5. the LED light fixture with clip fixed structure according to claim 1, it is characterized in that, the outer surface of this ringwall has protruded out a plurality of fin, and is formed with an accommodation space in the central authorities of these fin, and this LED light emitting module is located in this accommodation space.

6. the LED light fixture with clip fixed structure according to claim 1, it is characterized in that, also comprise an elastic washer, form an annular lip on this cylindrical shell, the link of this ringwall and this cylindrical shell forms a planar annular, and this elastic washer folder is pulled between this flange and this planar annular.

7. the LED light fixture with clip fixed structure according to claim 6 is characterized in that this elastic washer is an elastomeric material spare.

8. the LED light fixture with clip fixed structure according to claim 1 is characterized in that, also comprises a lid, and this lid is connected in the end of this radiator away from this lamp holder.

9. the LED light fixture with clip fixed structure according to claim 8, it is characterized in that, this lid comprises an annular slab and reaches from a coaming plate of the periphery bending forming of this annular slab, in this annular slab and inner moulding one clampping plate of this coaming plate, the outer surface of this ringwall protrudes out the fin of build-in in this clampping plate.

10. the LED light fixture with clip fixed structure according to claim 9 is characterized in that this fin is provided with a catching groove, and this coaming plate inwall is extended with this catching groove and detains a solid profile mutually.