CN202048423U

CN202048423U - Light-emitting diode (LED) bulb

Info

Publication number: CN202048423U
Application number: CN2011201153650U
Authority: CN
Inventors: 薛世丰
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-04-19
Filing date: 2011-04-19
Publication date: 2011-11-23
Anticipated expiration: 2021-04-19

Abstract

The utility model discloses a light-emitting diode (LED) bulb, which comprises a lamp cap, a base, a bottom case, an LED light source component and a top case, wherein the lamp cap is screwed with the base, the base and the bottom case are arranged into a whole, the bottom case and the top case are abutted and buckled to form an enclosed space, and the LED light source component is accommodated in the enclosed space. The outer wall of the bottom case outwards extends to form at least two buckling holes, the top case extends along the outer wall of the butt joint of the top case and the bottom case to form at least two buckling parts, and the buckling parts are inserted into the buckling holes and are clamped at one ends of the buckling holes. Compared with the prior art, the bottom case and the top case of the LED bulb are butted and clamped with each other, the adhesive which is used in the connection part of the bottom case and the top case of the traditional LED bulb is replaced, so the waterproof effect is good, the service life of the whole LED bulb is increased, and the environmental protection is benefited.

Description

The LED bulb

Technical field

The utility model relates to the illumination and decoration field, relates more specifically to a kind of LED bulb of throwing light on or decorating of being used to.

Background technology

Existing LED bulb is made up of metallic lamp holder, drain pan, pcb board, led chip and top shell usually.Described metallic lamp holder is connected with described drain pan, is provided with a groove in the described drain pan, and described pcb board is placed in the groove of described drain pan, fixes described led chip on the described pcb board, and described top shell adopts the bonding mode of viscose to realize being connected with drain pan usually.Like this, after described LED bulb uses a period of time, be subjected to the influence of external environment, the cohesive of described viscose can descend, thereby influences waterproof effect even waterproof timeliness.That is to say that the abutting edge of described top shell and drain pan produces the slit, steam enters in the seal cavity that described top shell and drain pan form, and makes described led chip and pcb board make moist, thereby influences the service life of described LED bulb.In addition, the use of described viscose also is unfavorable for environmental protection.

Therefore, be necessary to provide a kind of improved LED bulb to overcome above-mentioned defective.

The utility model content

The purpose of this utility model provides the drain pan and the top shell butt joint engaging of the described LED bulb of a kind of LED bulb, the drain pan of traditional LED bulb and the employed viscose in junction of top shell have been replaced, good water-proof effect has increased the service life of whole LED bulb, and has been beneficial to environmental protection.

For achieving the above object, the utility model provides a kind of LED bulb, comprise lamp holder, base, drain pan, led light source assembly and top shell, described lamp holder is connected in the shape of a spiral with base, described base and drain pan are integral structure, described drain pan and top shell butt joint engaging form a confined space, and described led light source assembly is placed in the described confined space.Wherein, the outer wall of described drain pan outwards protrudes out formation at least two connecting holes, described top shell stretches out along the outer wall of the joint of described top shell and described drain pan and forms at least two holding sections, and described at least two holding sections are inserted in described at least two connecting holes and are stuck in an end of described at least two connecting holes.

Particularly, each described holding section has a guide part and trip, and the end of described guide part forms described trip, and after described drain pan and the top shell butt joint engaging, described trip is stuck in an end of described connecting hole.

Particularly, described drain pan forms an inserting groove along inwall, and described top shell stretches out along the inwall of the joint of described top shell and described drain pan and forms a Plug Division, and insert in the described inserting groove described Plug Division.

Particularly, described drain pan inwardly protrudes out and forms a bulge loop, forms described inserting groove between the inwall of described bulge loop and described drain pan.

Particularly, described led light source assembly comprises a circuit board and led light source, and described led light source is welded in described circuit board.

Particularly, described base has a breach, and described circuit board comprises first lamp base and second lamp base, and described first lamp base passes from described breach, and described second lamp base passes described base and lamp holder, and described second lamp base is welded in described lamp holder.

Particularly, described light source assembly comprises that also one drives Voltage stabilizing module, and described driving Voltage stabilizing module is installed on described circuit board and is connected with described led light source.

Particularly, the circuit of described driving Voltage stabilizing module comprises capacitor C 1, C2, resistance R 1, R2, and Zener diode D1, D2, D3, D4, described capacitor C 1 and resistance R 1 parallel connection, and the end after the parallel connection is connected with described first lamp base, the other end after the parallel connection is connected with the negative electrode of Zener diode D1 and the anode of Zener diode D2, the anode of the anode of described Zener diode D1 and described Zener diode D4, one end and the described led light source of capacitor C 2 all connect, the negative electrode of the negative electrode of described Zener diode D2 and described Zener diode D3, one end of resistance R 2 and the other end of capacitor C 2 all connect, the other end of resistance R 2 is connected with described led light source, and the anode of described Zener diode D3 all is connected with described second lamp base with the negative electrode of Zener diode D4.

Compared with prior art, the outer wall of the drain pan of the utility model LED bulb outwards protrudes out formation at least two connecting holes, described top shell stretches out along the outer wall of the joint of described top shell and described drain pan and forms at least two holding sections, described at least two holding sections are inserted in described at least two connecting holes and are stuck in an end of described at least two connecting holes, thereby making to dock between described drain pan and the top shell engages, the drain pan of traditional LED bulb and the employed viscose in junction of top shell have been replaced, good water-proof effect, increase the service life of whole LED bulb, and be beneficial to environmental protection.

By following description also in conjunction with the accompanying drawings, it is more clear that the utility model will become, and these accompanying drawings are used to explain embodiment of the present utility model.

Description of drawings

Fig. 1 is the stereogram of the utility model LED bulb one embodiment.

Fig. 2 is the exploded view of Fig. 1.

Fig. 3 is the stereogram of base shown in Figure 2 and another angle of drain pan.

Fig. 4 is the stereogram of top shown in Figure 2 another angle of shell.

Fig. 5 is the circuit theory diagrams of the utility model LED bulb.

The specific embodiment

With reference now to accompanying drawing, describe embodiment of the present utility model, the similar elements label is represented similar elements in the accompanying drawing.As mentioned above, the utility model provides a kind of LED bulb, the outer wall of the drain pan of described LED bulb outwards protrudes out formation at least two connecting holes, described top shell stretches out along the outer wall of the joint of described top shell and described drain pan and forms at least two holding sections, described at least two holding sections are inserted in described at least two connecting holes and are stuck in an end of described at least two connecting holes, thereby making to dock between described drain pan and the top shell engages, the drain pan of traditional LED bulb and the employed viscose in junction of top shell have been replaced, good water-proof effect, increase the service life of whole LED bulb, and be beneficial to environmental protection.

Please refer to Fig. 1 and Fig. 2, LED bulb one embodiment of the present utility model comprises lamp holder 10, base 12, drain pan 14, led light source assembly 16 and top shell 18, described lamp holder 10 is connected in the shape of a spiral with base 12, described base 12 and drain pan 14 are integral structure, described drain pan 14 and the 18 butt joint engagings of top shell form a confined space, and described led light source assembly 16 is placed in the described confined space.

Particularly, in conjunction with Fig. 2 to Fig. 4, the outer wall of described drain pan 14 outwards protrudes out and forms two connecting holes 141, and described drain pan 14 inwardly protrudes out and forms a bulge loop 142, forms an inserting groove 143 between the inwall of described bulge loop 142 and described drain pan 14.Correspondingly, described top shell 18 stretches out along the outer wall of the joint 181 of described top shell 18 and drain pan 14 and forms two holding sections 182, and described top shell 18 stretches out along the inwall of the joint 181 of described top shell 18 and drain pan 14 and forms a Plug Division 183.Described two holding sections 182 are inserted in described two connecting holes 141 and are stuck in an end of described two connecting holes 141 respectively, and insert in the described inserting groove 143 described Plug Division 183.The quantity that it should be noted that described connecting hole 141 and holding section 182 can be for a plurality of.

Particularly, as shown in Figure 4, each described holding section 182 has a guide part 182a and trip 182b, and the end of described guide part 182a forms described trip 182b, after described drain pan 14 and the 18 butt joint engagings of top shell, described trip 182b is stuck in an end of described connecting hole 141.

Please refer to Fig. 2 again, described led light source assembly 16 comprises a circuit board 161, led light source 162 and drives Voltage stabilizing module 163, described led light source 162 is welded in described circuit board 161, and described driving voltage stabilizing mould 163 is installed on described circuit board 161 and is connected with described led light source 162.

Particularly, described base 12 has a breach 121, described circuit board 161 comprises the first lamp base 161a and the second lamp base 161b, the described first lamp base 161a passes from described breach 121, the described second lamp base 161b passes described base 12 and lamp holder 10, and the described second lamp base 161b is welded in described lamp holder 10.

Particularly, please refer to Fig. 5, the circuit of described driving Voltage stabilizing module 163 comprises capacitor C 1, C2, resistance R 1, R2, and Zener diode D1, D2, D3, D4, described capacitor C 1 and resistance R 1 parallel connection, and the end after the parallel connection is connected with the described first lamp base 161a, the other end after the parallel connection connects the negative electrode of Zener diode D1 and the anode of Zener diode D2, the anode of the anode of described Zener diode D1 and described Zener diode D4, one end and the described led light source of capacitor C 2 all connect, the negative electrode of the negative electrode of described Zener diode D2 and described Zener diode D3, one end of resistance R 2 and the other end of capacitor C 2 all connect, the other end of resistance R 2 connects described led light source, and the anode of described Zener diode D3 all is connected with the described second lamp base 161b with the negative electrode of Zener diode D4.

Abovely the utility model is described, but the utility model is not limited to the embodiment of above announcement, and should contains various modification, equivalent combinations of carrying out according to essence of the present utility model in conjunction with most preferred embodiment.

Claims

1. LED bulb, comprise lamp holder, base, drain pan, led light source assembly and top shell, described lamp holder is connected in the shape of a spiral with base, described base and drain pan are integral structure, described drain pan and top shell butt joint engaging form a confined space, described led light source assembly is placed in the described confined space, it is characterized in that: the outer wall of described drain pan outwards protrudes out formation at least two connecting holes, described top shell stretches out along the outer wall of the joint of described top shell and described drain pan and forms at least two holding sections, and described at least two holding sections are inserted in described at least two connecting holes and are stuck in an end of described at least two connecting holes.

2. LED bulb as claimed in claim 1 is characterized in that: each described holding section has a guide part and trip, and the end of described guide part forms described trip, and after described drain pan and the top shell butt joint engaging, described trip is stuck in an end of described connecting hole.

3. LED bulb as claimed in claim 1 or 2, it is characterized in that: described drain pan forms an inserting groove along inwall, described top shell stretches out along the inwall of the joint of described top shell and described drain pan and forms a Plug Division, and insert in the described inserting groove described Plug Division.

4. LED bulb as claimed in claim 3 is characterized in that: described drain pan inwardly protrudes out and forms a bulge loop, forms described inserting groove between the inwall of described bulge loop and described drain pan.

5. LED bulb as claimed in claim 4 is characterized in that: described led light source assembly comprises a circuit board and led light source, and described led light source is welded in described circuit board.

6. LED fluorescent tube as claimed in claim 5, it is characterized in that: described base has a breach, and described circuit board comprises first lamp base and second lamp base, and described first lamp base passes from described breach, described second lamp base passes described base and lamp holder, and described second lamp base is welded in described lamp holder.

7. LED fluorescent tube as claimed in claim 6 is characterized in that: described led light source assembly comprises that also one drives Voltage stabilizing module, and described driving Voltage stabilizing module is installed on described circuit board and is connected with described led light source.

8. LED fluorescent tube as claimed in claim 7, it is characterized in that: the circuit of described driving Voltage stabilizing module comprises capacitor C 1, C2, resistance R 1, R2, and Zener diode D1, D2, D3, D4, described capacitor C 1 and resistance R 1 parallel connection, and the end after the parallel connection is connected with described first lamp base, the other end after the parallel connection is connected with the negative electrode of Zener diode D1 and the anode of Zener diode D2, the anode of the anode of described Zener diode D1 and described Zener diode D4, one end and the described led light source of capacitor C 2 all connect, the negative electrode of the negative electrode of described Zener diode D2 and described Zener diode D3, one end of resistance R 2 and the other end of capacitor C 2 all connect, the other end of resistance R 2 is connected with described led light source, and the anode of described Zener diode D3 all is connected with described second lamp base with the negative electrode of Zener diode D4.