CN205299134U - LED bulb lamp - Google Patents

Abstract

The utility model provides a LED bulb lamp, including the bulb shell, the lamp holder, be equipped with the light source board of LED light source, this bulb clamshell is located on this lamp holder, this light source board sets up in this bulb shell, including the spliced pole, the one end of this spliced pole is fixed in on the top inner wall of this bulb shell, the other end of this spliced pole is unsettled in this bulb shell, the other end of this spliced pole is provided with connecting portion, the outer wall of these connecting portion is provided with the helicitic texture, offer threaded hole to helicitic texture that should connecting portion on this light source board, this light source board passes through this screw hole closure on the helicitic texture of these connecting portion. This LED bulb lamp has that the wide -angle is luminous, simple structure, advantage that the radiating effect is good.

Description

LED Bulb

technical field

Technical Field The present invention relates to the field of LED lighting, in particular to an LED bulb lamp.

Background technique

The LED chip is a light-emitting diode (LED, Lighting emitted diode), which is a solid-state light-emitting device that uses a PN junction to emit light under the action of an electric field. LED chip has the characteristics of long life, environmental protection and energy saving, and is a new green light source. At present, LED chip has been widely used in the field of lighting. In the field of lighting, bulb lamps are widely used in indoor lighting due to their advantages of simplicity, ease of use, and low price. The filaments of traditional lighting fixtures are mainly composed of tungsten filaments, which have high power consumption and short lifespan. Disadvantages, to be gradually replaced by LED lamps. However, due to the inherent light-emitting angle of the LED, it is difficult to achieve a large-angle light emission similar to an incandescent lamp, and due to the heat dissipation problem of the LED, it is usually necessary to add a heat sink, which makes the structure of the whole lamp more complicated and the whole lamp is not simple enough. At present, the LED substrate has been made into a strip structure, and multiple strip LEDs are fixed through the stem bracket of the lamp. Although this structure can meet the light distribution requirements, it is often complicated in structure and low in production process efficiency, which is not conducive to automated production.

Utility model content

The purpose of the utility model is to overcome the disadvantages of the prior art and provide an LED bulb lamp with a large luminous angle and a simple structure.

The purpose of the utility model is achieved through the following technical solutions: an LED bulb lamp, including a bulb shell, a lamp cap, and a light source board provided with an LED light source. The housing includes a connecting column, one end of which is fixed on the top inner wall of the bulb housing, the other end of the connecting column is suspended in the bulb housing, and the other end of the connecting column is provided with a connecting part, the connecting part The outer wall is provided with a threaded structure, and the light source board is provided with a threaded hole corresponding to the threaded structure of the connecting part, and the light source board is locked on the threaded structure of the connecting part through the threaded hole.

Preferably, the bulb shell includes an upper bulb shell and a lower bulb shell, and the bulb shell is formed by buckling the upper bulb shell and the lower bulb shell.

Preferably, the light source board has a planar structure, the top surface of the light source board is arranged towards the top of the light bulb housing, the top surface of the light source board is provided with LED light sources, and the LED light sources are arranged around the connecting column.

Preferably, a protruding ring is further provided on the connecting part, the outer diameter of the protruding ring is larger than the inner diameter of the threaded hole, and the protruding ring abuts against the top surface of the light source board. Preferably, the light source board and the connecting portion are thermally connected by thermally conductive glue.

Preferably, the connecting column is made of a transparent material with high thermal conductivity.

Preferably, the lamp cap is a screw cap, the interior of the lamp cap is provided with a driving power supply, and the driving power is electrically connected to the two poles of the lamp cap through wires.

Preferably, the light source board is made of transparent material.

Preferably, a fixing piece is connected to the top of the lamp head, and the fixing piece is a housing structure, and the fixing piece is connected with the lamp head to form a cavity for accommodating the driving power supply.

The utility model has the following advantages:

1. The utility model connects the light bulb shell with a connecting column, and the connecting column is provided with a threaded structure, and the threaded structure of the connecting column is connected with the threaded hole of the light source board to directly fix the light source board on the light source board. In this way, the light emitted by the LED light source illuminates the whole LED bulb lamp, which is similar to a traditional incandescent lamp, and the whole lamp has a simple structure and a simplified installation process.

2. The utility model improves the heat dissipation effect of the LED light source at the same time. Since the heat generated by the LED light source will be transferred to the light source board, the light source board is connected to the bulb shell through the connecting column. In this way, the heat generated by these LED light sources It can be conducted to the bulb shell through the connecting column and quickly dissipated to the external space through the bulb shell, avoiding the accumulation of heat and helping to prolong the service life of the LED bulb lamp.

Description of drawings

Fig. 1 is the front view of the first embodiment of the utility model LED bulb lamp;

Fig. 2 is a sectional view of the first embodiment of the LED bulb shown in Fig. 1;

detailed description

The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Embodiment 1 (please refer to Fig. 1 to Fig. 2):

An LED bulb lamp provided by the utility model includes a bulb shell 10, a lamp cap 20, and a light source plate 30 provided with an LED light source 31. The bulb shell 10 is covered on the lamp cap 20, and the light source plate 30 is set on the bulb Inside the shell 10.

Wherein, the light bulb shell 10 includes an upper half bulb shell 11 and a lower half bulb shell 12 , and the light bulb shell 10 is formed by buckling the upper half bulb shell 11 and the lower half bulb shell 12 . The purpose of such arrangement is to accommodate the light source board 30 in the bulb housing 10 when the size of the light source board is larger than the opening size of the bulb housing 10 .

In addition, the LED bulb lamp includes a connecting post 40 made of a transparent material with high thermal conductivity. One end of the connecting post 40 is fixed on the top inner wall of the bulb housing 10 , and the other end of the connecting post 40 is suspended in the bulb housing 10 . The other end of the connecting column 40 is provided with a connecting portion 41, the outer wall of the connecting portion 41 is provided with a threaded structure 411, the light source board 30 is provided with a threaded hole 32 corresponding to the threaded structure 411 of the connecting portion 41, and the light source board 30 passes through The threaded hole 32 is locked on the threaded structure 411 of the connecting portion 41 . The utility model connects the threaded structure 411 of the connecting post 40 with the threaded hole 32 of the light source board 30 to directly fix the light source board 30 on the connecting post 40, so that the light emitted by these LED light sources 31 illuminates the The whole LED bulb lamp is similar to the traditional incandescent lamp, the whole lamp structure is simple, and the installation process is simplified. In addition, the heat generated by these LED light sources 31 can be transferred to the bulb shell 10 through the connecting post 40 and quickly dissipated to the external space through the bulb shell 10, avoiding the accumulation of heat, which is beneficial to prolong the use of the LED bulb lamp life. Through the cooperation of the screw structure 411 and the screw hole 32 , the height of the light source board 30 inside the bulb housing 10 can also be adjusted. The connecting portion 41 is further provided with a protruding ring 412 , the outer diameter of the protruding ring 412 is larger than the inner diameter of the threaded hole 32 , and the protruding ring 412 abuts against the top surface of the light source board 30 . When the LED bulb is in use, the light source board 30 is prevented from slipping due to loosening between the threaded hole 32 of the light source board 30 and the screw mechanism 411 of the connecting post 40 . In addition, the light source board 30 is thermally connected to the connecting portion 41 through thermally conductive glue.

In this embodiment, the light source board 30 is a planar structure, the top surface of the light source board 30 is set toward the top of the light bulb housing 10, and the top surface of the light source board 30 is provided with LED light sources 31, and these LED light sources 31 surround the connecting column 40 settings. Wherein, the light source plate 30 is made of transparent material, such as glass, so that the light source plate 30 can emit light from both sides to illuminate the bulb housing 10 .

In this embodiment, the lamp cap 20 is a screw cap 20 , and the lamp cap 20 is provided with a driving power source 50 inside, and the driving power source 50 is electrically connected to the two poles of the lamp cap 20 through wires. In addition, a fixing part 60 is connected to the top of the lamp cap 20 , and the fixing part 60 is a shell structure. The fixing part 60 is connected with the lamp cap 20 to form a cavity for accommodating the driving power source 50 .

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. within the spirit and principles of the present utility model shall include Within the protection scope of the utility model.

Claims (9)

1. a LEDbulb lamp, comprise bulb housing, lamp holder, it is provided with the light source board of LED/light source, this bulb housing covers on this lamp holder, this light source board is arranged in this bulb housing, it is characterized in that: comprise connection post, one end of this connection post is fixed in the top inner wall of this bulb housing, the other end of this connection post is suspended in this bulb housing, the other end of this connection post is provided with connection section, the outer wall of this connection section is provided with helicitic texture, to the helicitic texture of connection section having offered threaded hole on this light source board, this light source board is locked together on the helicitic texture of this connection section by this threaded hole.

2. LEDbulb lamp according to claim 1, it is characterised in that: this bulb housing comprises first bubble shell and second bubble shell, and this bulb housing steeps shell by this first and this second bubble shell button closes.

3. LEDbulb lamp according to claim 1, it is characterised in that: this light source board is two dimensional structure, and the end face of this light source board is arranged towards the top of this bulb housing, and the end face of this light source board is provided with LED/light source, and described LED/light source is arranged around this connection post.

4. LEDbulb lamp according to claim 1, it is characterised in that: being also provided with convex ring on this connection section, the external diameter of this convex ring is greater than the internal diameter of this threaded hole, and this convex ring is resisted against on the end face of this light source board.

5. LEDbulb lamp according to claim 1, it is characterised in that: also by heat-conducting glue hot tie-in between this light source board and this connection section.

6. LEDbulb lamp according to claim 1, it is characterised in that: this connection post is made up of high heat conductive transparent material.

7. LEDbulb lamp according to claim 1, it is characterised in that: this lamp holder is screw socket, and the inside of this lamp holder is provided with driving power supply, and this driving power supply is electrically connected with the two poles of the earth formation of this lamp holder by wire.

8. LEDbulb lamp according to claim 3, it is characterised in that: this light source board is made up of transparent material.

9. LEDbulb lamp according to claim 7, it is characterised in that: the top of this lamp holder is connected with mounting block, and this mounting block is housing structure, and this mounting block and this lamp holder are connected to form the cavity holding this driving power supply.