CN219933752U

CN219933752U - LED filament bulb

Info

Publication number: CN219933752U
Application number: CN202321312284.9U
Authority: CN
Inventors: 刘俏安
Original assignee: Dongguan Yuguang New Material Technology Co ltd
Current assignee: Dongguan Yuguang New Material Technology Co ltd
Priority date: 2023-05-26
Filing date: 2023-05-26
Publication date: 2023-10-31
Anticipated expiration: 2033-05-26

Abstract

The utility model discloses an LED filament bulb which comprises a lamp cap, a glass shell, an LED filament and a driving component, wherein a bracket is arranged on the lamp cap; the LED lamp filament is a flexible LED lamp filament, and conductive joints are fixed at two ends of the flexible LED lamp filament; the end part of the lead is provided with a bent clamping leg, and the LED filament is clamped into the clamping leg through a conductive connector of the LED filament and clamped by the clamping leg to realize electric connection with the lead; an extension part is arranged at the lower part of the bracket, and the driving assembly is separated from the LED lamp filament through the extension part. According to the utility model, the soft LED filament is adopted, and the two ends of the soft LED filament and the wires in the lamp are clamped and fixed after the conductive joints are fixed, so that the assembly operation is more convenient, the assembly efficiency is higher, and welding or splicing and fixing are not needed; and separate drive assembly and filament through setting up circular shape extension, can prevent that the luminous heat transfer that produces of filament from giving drive assembly to can protect drive assembly, be favorable to improving life.

Description

LED filament bulb

Technical Field

The utility model relates to the technical field of lighting lamps, in particular to an LED filament bulb.

Background

LED light fixtures have been widely used in various lighting applications, including household, commercial, and industrial applications. The current LED filament bulb generally comprises an LED filament, wires, a driving assembly, a lamp post support, a glass shell, a lamp head and the like, wherein the LED filament is fixed on the lamp post support, two ends of the LED filament are respectively fixed with the two wires through welding, or a transition piece is adopted to be fixed in a plugging mode and the like. The LED filament bulb has the defects that the LED filament bulb is complicated to operate and low in efficiency in assembly no matter in a fixing mode such as welding or plugging. In addition, through glass shell inner space direct communication between drive assembly and the LED filament, the heat that leads to the LED filament can direct conduction to drive assembly on like this, and the heat of stack drive assembly self can further improve drive assembly's temperature, and the drive assembly that easily causes burns out, so can influence drive assembly's life.

Disclosure of Invention

The utility model aims to solve the technical problem of providing the LED filament bulb which has the advantages of simple structure, easier assembly, higher assembly efficiency, capability of reducing heat conducted to a driving assembly and contribution to prolonging the service life of the driving assembly.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a LED filament bulb, is provided with the support including lamp holder, glass shell, LED filament and drive assembly on the lamp holder, and the LED filament is installed on the support and is connected with drive assembly through the wire, and glass shell covers LED filament and support inside, its characterized in that: the LED lamp filament is a flexible LED lamp filament, and conductive joints are fixed at two ends of the flexible LED lamp filament; the end part of the lead is provided with a bent clamping leg, and the LED filament is clamped into the clamping leg through a conductive connector of the LED filament and clamped by the clamping leg to realize electric connection with the lead; a plurality of support legs are arranged on the support, and each support leg supports and fixes the LED lamp filament; the lower part of the bracket is provided with a circular extension part extending outwards, and the outer edge of the extension part is close to the inner wall of the glass shell so as to separate the driving assembly from the space where the LED filament is positioned.

Further, the support comprises a support column, a sleeve is arranged on the support column, the sleeve is connected with the support column and sleeved on one section of the support column, a gap is formed between the sleeve and the support column, and a wire passes through the gap.

Further, the extension is disposed at the bottom end of the sleeve, and forms a horn-like structure opening downward for protruding downward and outward in an arc shape from the bottom end of the sleeve.

Further, each leg is fixed on the top end of the support column, and a hook-shaped part is arranged on the top end of each leg, so that the LED lamp filament is hooked through the hook-shaped part to achieve fixation, and the lamp filament fixing mode is similar to that of a traditional tungsten lamp bulb. The support legs are made of molybdenum wires, and the LED filaments can be arranged into various shapes, such as a round shape, a triangle shape, a petal shape and the like by changing the arrangement positions of the support legs.

Further, the conductive connector is pressed at the end part of the LED lamp filament through the die to be electrically connected with the LED lamp filament, the length of the lamp filament can be cut according to actual needs, and various lamp filaments with different colors can be selected.

Further, the extension part, the sleeve and the support post are of an integrated structure, and are integrally formed by glass.

According to the utility model, the soft LED filament is adopted, and the two ends of the soft LED filament and the wires in the lamp are clamped and fixed after the conductive joints are fixed, so that the assembly operation is more convenient, the assembly efficiency is higher, and welding or splicing and fixing are not needed; and separate drive assembly and filament through setting up circular shape extension, can prevent that the luminous heat transfer that produces of filament from giving drive assembly to can protect drive assembly, be favorable to improving life.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

fig. 2 is a schematic view of the utility model with the glass envelope and burner removed.

In the figure, 1 is a lamp cap, 2 is a glass shell, 3 is a bracket, 31 is a support, 32 is a sleeve, 33 is an extension, 34 is a fixed head, 4 is an LED filament, 41 is a conductive connector, 5 is a lead, 51 is a clamping leg, and 6 is a supporting leg.

Detailed Description

In this embodiment, referring to fig. 1 and 2, the LED filament bulb includes a lamp cap 1, a glass shell 2, an LED filament 4 and a driving component (not shown), a support 3 is disposed on the lamp cap 1, the LED filament 4 is mounted on the support 3 and connected with the driving component through a wire 5, and the glass shell 2 covers the LED filament 4 and the support 3 inside; the LED lamp filament 4 adopts a flexible LED lamp filament, can be bent at will, and is fixed with conductive joints 41 at two ends; a bent clamping leg 51 is arranged at the end part of the lead 5, the LED filament 4 is clamped into the clamping leg 51 through the conductive joint 41, and then the clamping leg 51 is clamped into the conductive joint 41, namely, the electric connection with the lead 5 is realized; a plurality of support legs 6 are arranged on the bracket 3, and the LED filament 4 is supported and fixed by each support leg 6; a circular extension part 33 extending outwards is arranged at the lower part of the bracket 3, and the outer edge of the extension part 33 is close to the inner wall of the glass shell 2, so that the space where the driving component and the LED filament 4 are positioned is separated, and heat is prevented from being overlapped with each other.

The support 3 comprises a support 31, a sleeve 32 is arranged on the support 31, the sleeve 32 is connected with the support 31 and is sleeved on a section of the support 31, a gap is arranged between the sleeve 32 and the support 31, the wire 5 passes through the gap, and meanwhile, the gap can also play roles of heat insulation and material reduction.

The extension 33 is disposed at the bottom end of the sleeve 32 and forms a downwardly opening horn-like structure extending arcuately downwardly and outwardly from the bottom end of the sleeve 32.

Each leg 6 is fixed on the top end of the support column 31, and a hook part is arranged on the top end of the leg 6, and the LED filament 4 is hooked by the hook part to realize fixation, which is similar to the filament fixation mode of the traditional tungsten bulb. The legs 6 are made of molybdenum wires, and the LED filaments 4 can be arranged in various shapes such as a circle, a triangle, a petal shape, etc., by changing the arrangement positions of the legs 6.

The conductive connector 41 is pressed at the end part of the LED filament 4 through a die to be electrically connected with the LED filament 4, the length of the filament can be cut according to actual needs, and various filaments with different colors can be selected.

The extension 33, the sleeve 32 and the support 31 are integrally formed of glass.

The foregoing detailed description of the utility model has been presented for purposes of illustration and description, but is not intended to limit the scope of the utility model, i.e., the utility model is not limited to the details shown and described.

Claims

1. The utility model provides a LED filament bulb, is provided with the support including lamp holder, glass shell, LED filament and drive assembly on the lamp holder, and the LED filament is installed on the support and is connected with drive assembly through the wire, and glass shell covers LED filament and support inside, its characterized in that: the LED lamp filament is a flexible LED lamp filament, and conductive joints are fixed at two ends of the flexible LED lamp filament; the end part of the lead is provided with a bent clamping leg, and the LED filament is clamped into the clamping leg through a conductive connector of the LED filament and clamped by the clamping leg to realize electric connection with the lead; a plurality of support legs are arranged on the support, and each support leg supports and fixes the LED lamp filament; the lower part of the bracket is provided with a circular extension part extending outwards, and the outer edge of the extension part is close to the inner wall of the glass shell so as to separate the driving assembly from the space where the LED filament is positioned.

2. The LED filament bulb of claim 1, wherein: the support comprises a support column, a sleeve is arranged on the support column, the sleeve is connected with the support column and sleeved on one section of the support column, a gap is formed between the sleeve and the support column, and a wire passes through the gap.

3. The LED filament bulb of claim 2, wherein: the extension portion is disposed at the bottom end of the sleeve, and extends downwards and outwards in an arc shape from the bottom end of the sleeve to form a horn-shaped structure with a downward opening.

4. The LED filament bulb of claim 2, wherein: each supporting leg is fixed at the top end of the supporting leg, a hook-shaped part is arranged at the top end of each supporting leg, and the LED filaments are hooked through the hook-shaped parts to achieve fixation.

5. The LED filament bulb of claim 4, wherein: the support legs are made of molybdenum wires.

6. The LED filament bulb of claim 1, wherein: the conductive connector is pressed on the end part of the LED filament through the die to be electrically connected with the LED filament.

7. The LED filament bulb of claim 2, wherein: the extension part, the sleeve and the support post are of an integrated structure, and are integrally formed by glass.