CN201246623Y

CN201246623Y - LED bulb

Info

Publication number: CN201246623Y
Application number: CNU2008201471420U
Authority: CN
Inventors: 张夙敏
Original assignee: Shenzhen Xinghaodi Electron Co Ltd; ZHONGZHAO LAMP PRODUCING CO Ltd SHENZHEN CITY; CE Lighting Ltd
Current assignee: Shenzhen Xinghaodi Electron Co Ltd; ZHONGZHAO LAMP PRODUCING CO Ltd SHENZHEN CITY; CE Lighting Ltd
Priority date: 2008-08-27
Filing date: 2008-08-27
Publication date: 2009-05-27
Anticipated expiration: 2018-08-27

Abstract

The utility model discloses an LED bulb which can rotate, wherein the light emitting direction of the LED bulb can be adjusted. The LED bulb comprises a bulb holder (1), an insulating bottom shell (2), a driving power (3), an insulating cover (4), a central shaft panel (5), a radiating neck (6), a radiating hemisphere (7) connected with an LED chip (12), and a transparent hemisphere (15). The insulating cover (4) and the insulating bottom shell (2) are fixedly connected for disposing the driving power (3) inside, the bottom of the radiating neck (6) is fixedly connected with the insulating bottom shell (2), the central shaft panel (5) is fixedly connected with the radiating neck (6), a vertical shaft (51) is arranged on the central shaft panel (5), a guide slot (71) which passes by a pole and extends along the latitude direction is arranged on the radiating hemisphere (7), the vertical shaft (51) penetrating the guide slot (71) is sequentially sleeved with a pad (8) and a spring (9) and positions and connects the radiating hemisphere (7) and the radiating neck (6) through a limiting nut (10) and a lock nut (11), and the radiating hemisphere (7) corresponding to the radiating neck (6) is rotated by using the vertical shaft (51) as a guide shaft through the guide slot (71).

Description

The LED bulb

Technical field

The utility model relates to a kind of LED bulb.

Background technology

Traditional bulb is an incandescent light bulb, and its illumination is lower, and light is not bright, not energy-conservation.Occurred the fluorescent lamp bulb behind incandescent lamp bulb, though it is energy-conservation, light is brighter, since a large amount of fluorescent material that uses, therefore not enough environmental protection.Occurred more energy-conservation and led light source environmental protection at present, produced the LED bulb thereupon, existing LED bulb and traditional incandescent lamps bubble structure are similar, and its cell-shell can not rotary head, so light direction fixes, and can not regulate as required in use.

The utility model content

Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, but a kind of LED bulb of rotary head is provided, and the light direction of described LED bulb can be regulated.

The technical scheme that the utility model adopted is: the utility model comprises lamp holder, the insulation drain pan, driving power, led chip, described insulation drain pan and described lamp holder are fixedly connected, described driving power is positioned at the inside of described insulation drain pan, described driving power respectively with described lamp holder, described led chip is electrically connected, described LED bulb also comprises insulating lid, the center axillare, the heat radiation neck, heat radiation hemisphere, photic hemisphere, described insulating lid and described insulation drain pan are fixedly connected and described driving power are arranged in the two inner space that surrounds, the sidewall bottom of described heat radiation neck is fixedly connected with described insulation drain pan, the madial wall of described center axillare and described heat radiation neck is fixedly connected, the center of described center axillare is provided with vertical shaft, the guide groove that described heat radiation hemisphere is provided with the process limit and extends along weft direction, described vertical shaft passes behind the described guide groove socket pad successively, spring also passes through stop nut successively, locking nut positions described heat radiation hemisphere and is connected with described heat radiation neck, described heat radiation hemisphere is that the axis of guide rotate by described guide groove with described vertical shaft with respect to described heat radiation neck, described led chip is fixedly connected on the described heat radiation hemisphere, and described photic hemisphere and described heat radiation hemisphere are fixedly connected and described led chip is surrounded on inside.

Be equipped with through hole on the described vertical shaft of described insulating lid, described center axillare, the output line of described driving power is electrically connected with described led chip after passing described through hole successively.

Described heat radiation hemisphere is provided with some louvres.

Described louvre is flute profile and parallels with described guide groove.

The lateral wall of described heat radiation neck is provided with some apart from one another by the fin and the groove that are provided with.

Described led chip is fixedly connected on the described heat radiation hemisphere by screw, and the contact position of described led chip and described heat radiation hemisphere scribbles thermal grease.

The madial wall of described center axillare and described heat radiation neck is fixedly connected by tight fit.

Described insulation drain pan with pass through riveted and fixed again after described lamp holder is connected by screw thread, described insulating lid and described insulation drain pan are interlocked and are connected or are connected by screw thread, the madial wall of described heat radiation neck bottom is socketed on the outer wall of described insulation drain pan and is fixing by bonding, and described photic hemisphere fixes connection mutually with described heat radiation hemisphere.

Described lamp holder is screw socket or buckle lamp holder.

Described heat radiation neck, described heat radiation hemisphere adopt aluminium, copper material or kirsite manufacturing.

The beneficial effects of the utility model are: because the sidewall of heat radiation neck described in the utility model bottom is fixedly connected with described insulation drain pan, the madial wall of described center axillare and described heat radiation neck is fixedly connected, the center of described center axillare is provided with vertical shaft, the guide groove that described heat radiation hemisphere is provided with the process limit and extends along weft direction, described vertical shaft passes behind the described guide groove socket pad successively, spring also passes through stop nut successively, locking nut positions described heat radiation hemisphere and is connected with described heat radiation neck, described heat radiation hemisphere is that the axis of guide rotate by described guide groove with described vertical shaft with respect to described heat radiation neck, described led chip is fixedly connected on the described heat radiation hemisphere, described photic hemisphere and described heat radiation hemisphere are fixedly connected and described led chip are surrounded on inside, when described heat radiation hemisphere is axis of guide rotation by described guide groove with described vertical shaft, described photic hemisphere with described heat radiation hemisphere together with described led chip with respect to described heat radiation neck and described lamp holder and rotate, make the light that sends by described photic hemisphere take place to turn to, promptly under the fixing situation of lamp socket and lamp holder, light direction can be adjusted, light fixture for the desk lamp class is especially suitable, so but the utility model rotary head, light direction can be regulated;

Because heat radiation hemisphere described in the utility model is provided with some louvres, described led chip is fixedly connected on the described heat radiation hemisphere by screw, the contact position of described led chip and described heat radiation hemisphere scribbles thermal grease, the lateral wall of described heat radiation neck is provided with some apart from one another by the fin and the groove that are provided with, the heat that described led chip produces when work is transmitted on described heat radiation hemisphere and the described heat radiation neck and distributes, described louvre has increased the passage of circulation of air, described fin and described groove have increased area of dissipation, so the utility model good heat dissipation effect;

Because louvre described in the utility model is flute profile and parallels with described guide groove, described louvre and described guide groove overall appearance are unified, not only have function corresponding separately, and have increased aesthetics, so the utility model good looking appearance is coordinated.

Description of drawings

Fig. 1 is a blast structural representation of the present utility model;

Fig. 2 is a side structure schematic diagram of the present utility model;

Fig. 3 is the cross-sectional view of A-A shown in Figure 2;

Fig. 4 is the perspective view that the utility model is in the rotary head state.

The specific embodiment

As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, the utility model comprises lamp holder 1, insulation drain pan 2, driving power 3, insulating lid 4, center axillare 5, heat radiation neck 6, heat radiation hemisphere 7, photic hemisphere 15, led chip 12, described lamp holder 1 is a screw socket, can certainly be the buckle lamp holder, described insulation drain pan 2 with pass through riveted and fixed again after described lamp holder 1 is connected by screw thread, described driving power 3 is positioned at the inside of described insulation drain pan 2, described driving power 3 respectively with described lamp holder 1, described led chip 12 is electrically connected, described insulating lid 4 and described insulation drain pan 2 are interlocked and fixedly connected and described driving power 3 is arranged in the two inner space that surrounds, certain described insulating lid 4 also can be connected by screw thread with described insulation drain pan 2, the madial wall of described heat radiation neck 6 bottom is socketed on the outer wall of described insulation drain pan 2 and is fixing by bonding, the lateral wall of described heat radiation neck 6 is provided with some apart from one another by the fin and the groove that are provided with, in order to increase area of dissipation, described center axillare 5 is fixedly connected by tight fit with the madial wall of described heat radiation neck 6, the center of described center axillare 5 is provided with vertical shaft 51, described insulating lid 4, be equipped with through hole on the described vertical shaft 51 of described center axillare 5, the output line of described driving power 3 is electrically connected with described led chip 12 after passing described through hole successively, the guide groove 71 that described heat radiation hemisphere 7 is provided with the process limit and extends along weft direction, described vertical shaft 51 passes behind the described guide groove 71 socket pad 8 successively, spring 9 also passes through stop nut 10 successively, locking nut 11 positions described heat radiation hemisphere 7 and is connected with described heat radiation neck 6, described heat radiation hemisphere 7 is that the axis of guide rotate by described guide groove 71 with described vertical shaft 51 with respect to described heat radiation neck 6, described led chip 12 is fixedly connected on the described heat radiation hemisphere 7 by screw 13, described led chip 12 scribbles thermal grease with the contact position of described heat radiation hemisphere 7, the heat that described led chip 12 produces when work is transmitted on described heat radiation hemisphere 7 and the described heat radiation neck 6 and distributes, described photic hemisphere 15 fixes connection mutually and described led chip 12 is surrounded on inside with described heat radiation hemisphere 7, described heat radiation hemisphere 7 is provided with some louvres 72, described louvre 72 is flute profile and parallels with described guide groove 71, described louvre 72 is unified with described guide groove 71 overall appearance, not only has function corresponding separately, and increased aesthetics, good looking appearance is coordinated, described heat radiation neck 6, described heat radiation hemisphere 7 all adopts the aluminium manufacturing, can certainly adopt other metal or alloy manufacturings such as copper material or kirsite.

When heat radiation hemisphere 7 described in the utility model is axis of guide rotation by described guide groove 71 with described vertical shaft 51, described photic hemisphere 15 with described heat radiation hemisphere 7 together with described led chip 12 with respect to described heat radiation neck 6 and described lamp holder 1 and rotate, make the light that sends by described photic hemisphere 15 take place to turn to, promptly under the fixing situation of lamp socket and lamp holder, light direction can be adjusted, and the light fixture that may need to adjust light direction for desk lamp class etc. is especially suitable.

The utility model can be widely used in field of light fittings.

Claims

1, a kind of LED bulb, comprise lamp holder (1), insulation drain pan (2), driving power (3), led chip (12), described insulation drain pan (2) is fixedly connected with described lamp holder (1), described driving power (3) is positioned at the inside of described insulation drain pan (2), described driving power (3) respectively with described lamp holder (1), described led chip (12) is electrically connected, it is characterized in that: described LED bulb also comprises insulating lid (4), center axillare (5), heat radiation neck (6), heat radiation hemisphere (7), photic hemisphere (15), described insulating lid (4) is fixedly connected with described insulation drain pan (2) and described driving power (3) is arranged in the two inner space that surrounds, the sidewall bottom of described heat radiation neck (6) is fixedly connected with described insulation drain pan (2), described center axillare (5) is fixedly connected with the madial wall of described heat radiation neck (6), the center of described center axillare (5) is provided with vertical shaft (51), the guide groove (71) that described heat radiation hemisphere (7) is provided with the process limit and extends along weft direction, described vertical shaft (51) passes behind the described guide groove (71) socket pad (8) successively, spring (9) also passes through stop nut (10) successively, locking nut (11) positions described heat radiation hemisphere (7) and is connected with described heat radiation neck (6), described heat radiation hemisphere (7) is that the axis of guide rotate by described guide groove (71) with described vertical shaft (51) with respect to described heat radiation neck (6), described led chip (12) is fixedly connected on the described heat radiation hemisphere (7), and described photic hemisphere (15) is fixedly connected with described heat radiation hemisphere (7) and described led chip (12) is surrounded on inside.

2, LED bulb according to claim 1, it is characterized in that: be equipped with through hole on the described vertical shaft (51) of described insulating lid (4), described center axillare (5), the output line of described driving power (3) is electrically connected with described led chip (12) after passing described through hole successively.

3, LED bulb according to claim 1 is characterized in that: described heat radiation hemisphere (7) is provided with some louvres (72).

4, LED bulb according to claim 3 is characterized in that: described louvre (72) is flute profile and parallels with described guide groove (71).

5, LED bulb according to claim 1 is characterized in that: the lateral wall of described heat radiation neck (6) is provided with some apart from one another by the fin and the groove that are provided with.

6, LED bulb according to claim 1 is characterized in that: described led chip (12) is fixedly connected on the described heat radiation hemisphere (7) by screw (13), and described led chip (12) scribbles thermal grease with the contact position of described heat radiation hemisphere (7).

7, LED bulb according to claim 1 is characterized in that: described center axillare (5) is fixedly connected by tight fit with the madial wall of described heat radiation neck (6).

8, LED bulb according to claim 1, it is characterized in that: described insulation drain pan (2) with pass through riveted and fixed again after described lamp holder (1) is connected by screw thread, described insulating lid (4) and described insulation drain pan (2) are interlocked and are connected or are connected by screw thread, the madial wall of described heat radiation neck (6) bottom is socketed on the outer wall of described insulation drain pan (2) and is fixing by bonding, and described photic hemisphere (15) fixes connection mutually with described heat radiation hemisphere (7).

9, LED bulb according to claim 1 is characterized in that: described lamp holder (1) is screw socket or buckle lamp holder.

10, LED bulb according to claim 1 is characterized in that: described heat radiation neck (6), described heat radiation hemisphere (7) adopt aluminium, copper material or kirsite manufacturing.