CN202118565U

CN202118565U - Lamp

Info

Publication number: CN202118565U
Application number: CN2011201298397U
Authority: CN
Inventors: 马勇; 杨飞; 孙广义; 黄银
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2011-04-28
Filing date: 2011-04-28
Publication date: 2012-01-18
Anticipated expiration: 2021-04-28

Abstract

The utility model provides a lamp, comprising a heat radiator with a cavity, a sleeve in the cavity of the heat radiator, a light emitting module on the heat radiator and a fixing piece for fixing the heat radiator, the sleeve and the light emitting module. The inner surface of the heat radiator is equipped with a projecting block. The external wall of the sleeve is provided with a groove, which is extended downwardly from the top of the sleeve so as to accommodate the projecting block. The projecting block is located in the groove. The light emitting module is provided with a first through hole for fixing purpose. The first through hole is opposite to the groove. The fixing piece penetrates through the first through hole and is located in the groove. The lamp is high in assembling speed and is convenient and rapid to assemble, thereby saving the assembling time and enhancing the production efficiency.

Description

A kind of light fixture

Technical field

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

Background technology

LED (light emitting diode) is little because of its volume, brightness is high, the advantage of energy-conserving and environment-protective, has been regarded as the high-tech light source of a new generation.Nowadays, LED has been widely used on the products such as lighting bulb, car light, projecting lamp, but the assembling of the LED light fixture that has is complicated, has increased cost, has limited popularizing of LED light fixture.

Existing LED light fixture (like LED bulb, LED shot-light etc.), its structure include radiator, power supply sleeve and LED lamp source are installed and the substrate of a thermolysis, and the radiator ring is located at around the power supply sleeve.Fixing of existing radiator, power supply sleeve and substrate, what adopt usually is separately fixing mode, promptly first fixed heat sink and power supply sleeve; Again substrate is fixed on the radiator, needs repeatedly assembling fixing, cause LED light fixture assembling process loaded down with trivial details; Assembling speed is slow, and cost is high; And, make LED light fixture volume increase because the LED light fixture needs repeatedly assembling fixing, and radiator, power supply sleeve and substrate are provided with a plurality of fixed parts (like groove, projection, through hole etc.), have taken big quantity space, be inconvenient to assemble.

Summary of the invention

The utility model provides a kind of light fixture for solving the loaded down with trivial details problem of light fixture assembling process.

The utility model provides a kind of light fixture, comprising:

Radiator, said radiator is provided with a cavity, and the inner surface of said radiator is provided with projection;

Sleeve, said sleeve is positioned at the cavity of radiator, and the outer wall of said sleeve is provided with from the sleeve top toward extending below the groove that is used to hold projection, and said projection is positioned at said groove;

Light emitting module, said light emitting module are provided with first through hole that is used for fixing, and said light emitting module is placed on the said radiator, and said first through hole is relative with said groove;

And being used for the fixture that radiator, sleeve and light emitting module is fixing, said fixture passes first through hole and is arranged in groove.

Further, said fixture is screw or screw or rivet.

Further; Said radiator comprises pallet and the radiator with a cavity; Said pallet is provided with second through hole that is used for fixing, and said pallet is positioned at the upper end of radiator, and said projection is positioned at the inner surface of radiator; Said light emitting module is located on the said pallet, and said first through hole, second through hole are relative with groove; Said fixture passes first through hole and second through hole and is arranged in groove radiator, sleeve, light emitting module and pallet are fixed together.

Further, has the gap that holds fixture between said groove and the projection.

Further, said groove is a plurality of, and said groove is evenly arranged along sleeve outer wall.

Further, said light emitting module comprises circuit board and LED lamp source, and said LED lamp source is welded on the circuit board, and said first through hole is arranged on the circuit board.

Further, said sleeve comprises that a portion and ratio tube portion are used to the base that stops radiator to skid off greatly, and an end of said base is connected with tube portion, and said groove is positioned on the outer wall of a portion.

Further, also comprise lampshade and lamp holder, said lamp holder is connected with an end of base, and said lampshade is fixed on the radiator, and said light emitting module is between lampshade and radiator.

Further, also comprise driver module, be equipped with cavity in said tube portion and the base, said driver module is fixed in the portion, and said driver module is electrically connected with light emitting module.

Further, the other end of said base is provided with the first step-like connecting portion and second connecting portion, and said second connecting portion has the bottom surface with the base sealing, and said bottom surface is provided with wire hole, and first connecting portion is fixedly connected with lamp holder.

The effect that the utility model is useful: the mutual winding of the radiator of light fixture, power supply sleeve, substrate and four parts of light emitting module only needs once to assemble fixing can the completion with fixture; Need not repeatedly fixing; Once can assemble and put in place, easy to assembly quick, assembling speed is fast; Save and assemble man-hour, enhance productivity; Lamp assembly need not to be provided with various fixed part, saves the space, helps to reduce the volume of light fixture, ease of assembly.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment LED bulb.

Fig. 2 is the utility model embodiment sleeve, radiator, power drives assembling sketch map.

Fig. 3 is the utility model embodiment light emitting module vertical view.

Fig. 4 is the utility model embodiment pallet vertical view.

The specific embodiment

Clearer for technical problem, technical scheme and beneficial effect that the utility model is solved, below in conjunction with accompanying drawing and embodiment, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.

The utility model light fixture comprises light fixtures such as LED bulb, LED shot-light, and its structure all comprises sleeve, radiator and light emitting module, and present embodiment is that example describes with the LED bulb.

Like Fig. 1, shown in Figure 2; The LED bulb that present embodiment provides; Comprise lampshade 4, sleeve 1, radiator 2, light emitting module 3, driver module 5, lamp holder 6 and fixture (not shown); Said lampshade 4 is fixed on the radiator 2, and light emitting module 3 is between lampshade 4 and radiator 2, and said lamp holder 6 is fixed on sleeve 1 bottom.

Said radiator 2 comprises radiator 22 and pallet 23, and pallet 23 is positioned at the upper end of radiator 22, and said lampshade 4 is fixed on the pallet 23.Said radiator 22 is provided with a cavity, and the inner surface of radiator 22 is provided with projection 21, and the periphery of said radiator 22 is provided with a plurality of outward extending radiating fins, so that heat can distribute fast.In the present embodiment, pallet and radiator can be two parts that are separated, and perhaps pallet and radiator are one die cast or welding fabrication.

Said sleeve 1 is positioned at the cavity of radiator 22, and said sleeve 1 comprises a portion 12 and base 13, and an end of base 13 is connected with tube portion 12, and base 13 sizes are slightly larger than a portion 12, and radiator 2 bottoms are pasted with base 13 tops mutually, prevent that radiator 2 from skidding off.Be equipped with cavity in tube portion 12 and the base 13, said driver module 5 is fixed in the cavity of a portion 12 and with light emitting module 3 and is electrically connected.The outer wall of said tube portion 12 is provided with the groove 11 that is used to hold projection 21, and groove 11 originates in the top of sleeve 1, and along the outer wall of tube portion 12 to extending below; Leave the gap that holds fixture between projection 21 in groove 11 and the groove 11, get into to make things convenient for fixture.Said groove 11 is a plurality of, and its quantity can be adjusted according to actual conditions, and the present embodiment preferred version is that the quantity of groove 11 is 3, is evenly distributed on the sidewall of a portion 12.The other end of said base 13 is provided with the first step-like connecting portion 131 and second connecting portion 132, and lamp holder 6 is fixed on first connecting portion 131.So design is that the lamp holder of models such as E27 and B22 can be fixedly mounted on first connecting portion 131, and it is convenient to change, and saves production cost; And on first connecting portion, 131 bases, bigger space can be provided to second connecting portion 132 that extends below, make things convenient for the installation of driver module 5; Second connecting portion 132 has the bottom surface with base 13 sealings, and the bottom surface is provided with a wire hole (not shown), and purpose is only to allow lead to pass through wire hole connection driver module 5, and the input of protection driver module 5 plays the effect of insulation.

Like Fig. 3, shown in Figure 4, said light emitting module 3 is fixed on the pallet 23, and light emitting module 3 comprises circuit board and LED lamp source, and LED lamp source is welded on the circuit board, is electrically connected with circuit board.The quantity that said circuit board is provided with first through hole, 31, the first through holes 31 that are used for fixing is identical with the quantity of groove 11; Said pallet 23 is provided with second through hole 41 that is used for fixing; Second through hole, 41 quantity are identical with the quantity of groove 11; Said first through hole 31, second through hole 41 are relative with groove 11, and promptly first through hole 31 is positioned at the top of second through hole 41, and second through hole 41 is positioned at the top of groove 11.

This fixture is used for fixing radiator 22, sleeve 1, pallet 23 and light emitting module 3, is preferably screw, screw, rivet, and easy for installation rapid, yield is high.This fixture also can be the wedge fixed strip, in the gap of this wedge fixed strip between projection 21 and groove 11, and forms interference fit with said gap, and light emitting module 3, pallet 23, sleeve 1 and radiator 22 are fixed together.

Present embodiment LED bulb installation process is following: the groove 11 of sleeve 1 is corresponding with projection 21, again with sleeve 1 from the lower opening of radiator 2 is packed radiator 2 into, projection 21 is stuck in the groove 11; Paste with base 13 tops mutually the bottom of radiator 22, prevents that radiator 22 to lower slider, is installed in driver module 5 in the sleeve 1 then.Light emitting module 3 is fixed on the pallet 23; Again pallet 23 is placed on the radiator 22; And make first through hole 31, second through hole 41 corresponding with groove 11 threes, and screw in from first through hole 31 with fixture again, pass in first through hole 31 and the gap of second through hole 41 between groove 11 and projection 21; Form interference fit with the gap, thereby light emitting module 3, pallet 23,

radiator

22 and 1 four parts of sleeve are tightened together.At last lampshade 4 is fixed on the radiator 2, lamp holder 6 is installed on first connecting portion 131 of sleeve 1, whole LED bulb assembling is so far accomplished.

In another embodiment; Different is: after sleeve is packed in the radiator; Light emitting module is installed on the radiator; Make first through hole corresponding, screw in the gap between groove and projection with fixture from first through hole at last, light emitting module, radiator and three parts of sleeve are tightened together with groove.

The utility model light fixture when assemblies such as assembling light emitting module, pallet, radiator and sleeve, need not separate repeatedly fixing; Only need once to assemble fixing can the completion with fixed part, assembling process is comparatively convenient and swift, and assembling speed is fast; Save and assemble man-hour, enhance productivity.

Because it is fixing that the utility model light fixture need not repeatedly to assemble, can reduce the fixed part (like groove, projection, through hole etc.) of assemblies such as assembling radiator, sleeve, saved big quantity space; And the setting of the utility model light fixture fixed part, only on assemblies such as sleeve, radiator, do less change, avoid taking the lamp interior space.So design, purpose is to reduce the overall volume of light fixture, ease of assembly.

The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.

Claims

1. a light fixture is characterized in that, comprising:

2. light fixture as claimed in claim 1 is characterized in that, said fixture is screw or screw or rivet.

3. light fixture as claimed in claim 1; It is characterized in that said radiator comprises pallet and the radiator with a cavity, said pallet is provided with second through hole that is used for fixing; Said pallet is positioned at the upper end of radiator; Said projection is positioned at the inner surface of radiator, and said light emitting module is located on the said pallet, and said first through hole, second through hole are relative with groove; Said fixture passes first through hole and second through hole and is arranged in groove radiator, sleeve, light emitting module and pallet are fixed together.

4. light fixture as claimed in claim 1 is characterized in that, has the gap that holds fixture between said groove and the projection.

5. light fixture as claimed in claim 1 is characterized in that, said groove is a plurality of, and said groove is evenly arranged along sleeve outer wall.

6. light fixture as claimed in claim 1 is characterized in that, said light emitting module comprises circuit board and LED lamp source, and said LED lamp source is welded on the circuit board, and said first through hole is arranged on the circuit board.

7. light fixture as claimed in claim 1 is characterized in that, said sleeve comprises that a portion and ratio tube portion are used to the base that stops radiator to skid off greatly, and an end of said base is connected with tube portion, and said groove is positioned on the outer wall of a portion.

8. light fixture as claimed in claim 7 is characterized in that, also comprises lampshade and lamp holder, and said lamp holder is connected with an end of base, and said lampshade is fixed on the radiator, and said light emitting module is between lampshade and radiator.

9. light fixture as claimed in claim 8 is characterized in that, also comprises driver module, is equipped with cavity in said tube portion and the base, and said driver module is fixed in the portion, and said driver module is electrically connected with light emitting module.

10. light fixture as claimed in claim 9; It is characterized in that the other end of said base is provided with the first step-like connecting portion and second connecting portion, said second connecting portion has the bottom surface with the base sealing; Said bottom surface is provided with wire hole, and first connecting portion is fixedly connected with lamp holder.