CN210511107U - LED bulb structure without core column - Google Patents

Abstract

The utility model provides a LED bulb structure without a core column, which comprises a glass lamp shell, wherein one end of the glass lamp shell is provided with a clamping and sealing part; the glass tube penetrates through and is fixed at the clamping position, so that part of the glass tube is positioned in the glass lamp shell, the other part of the glass tube is positioned outside the glass lamp shell, and the part of the glass tube positioned in the glass lamp shell is provided with a through hole; one or more series guide wires fixed at one end of the glass tube, which is positioned in the glass lamp shell and is far away from the clamping seal; one end of each of the at least two or more LED lamps is electrically connected with the series guide wire; the at least two foot end guide wires penetrate through and are fixed at the clamping seal position, part of the guide wires are positioned in the glass lamp shell and are electrically connected with one end of the LED lamp far away from the series guide wires, and the other part of the guide wires are positioned outside the glass lamp shell; the glass tube and the foot end guide wire are fixed at the clamping and sealing position of the glass lamp shell so as to support and fix the LED lamp.

Description

LED bulb structure without core column

Technical Field

The present invention relates to a lighting device, and more particularly to a stem-free LED bulb structure.

Background

Referring to fig. 1, a conventional LED bulb structure 200 with a stem is composed of one or more LED lamps a07, a flared stem (stem) a04, a glass lampshade a10, two guide wires a05, a glass tube a02, etc., wherein the glass of the flared stem a04 is connected to one end of the one or more LED lamps a07 through the guide wires a05, and the other end of the LED lamp a07 is connected to the lead wire a11 at the end of the glass tube a02, so that the LED lamp a04 is supported by the flared stem a 04; the opening of the flared stem A04 is closely connected with the glass lampshade A10, and the glass lampshade A10 is vacuumized by the exhaust/inflation hole A021 of the flared stem A04 to be filled with inert gas.

Referring to fig. 2, a production process of a conventional LED bulb structure 200 having a stem is shown; firstly, cutting a long glass tube A01 into a glass tube A02 with required size through a tube cutting machine B01; meanwhile, a horn machine B02 is utilized to manufacture the large-diameter glass tube A03 into a horn-shaped core column A04; then a core column machine B03 is utilized to prepare a supporting semi-finished product A06 by matching the glass tube A02 and the horn-shaped core column A04 with a guide wire A05; manufacturing an LED lamp A07 and a supporting semi-finished product A06 into a stem semi-finished product A08 by using a light bar welding machine B04; firstly, a glass shell machine B05 is used for manufacturing a glass lampshade A10 from a large-diameter glass tube A09, then a core column semi-finished product A08 is assembled into the glass lampshade A10, and then a sealing machine B06 is used for sealing to form a sealing bulb A11; exhausting the sealing bubble A11 by using an exhauster B07 to form a bubble A12 after exhausting; firstly, a lamp holder A13 and an adhesive A14 are manufactured into an electric screw head A15 through a filling machine B08, and then the electric screw head A15 is manually assembled by a manual assembly station B09 to manufacture a semi-finished product A18 of the bulb, wherein a power PC board A16, a plastic sleeve A17 and an electric screw head A15 are manually assembled; then, the semi-finished product A18 of the bulb is made into an untested finished product A19 through a copper head machine B10; finally, an LED finished product testing machine B11 and a marking machine B12 are sequentially utilized to manufacture a finished bulb product A20.

Because the LED lamp a07 needs to be supported and combined with the glass shell, a horn-shaped stem a04 needs to be used for supporting, in the production process, a horn machine and a core column machine need to be purchased additionally, so that the equipment cost is increased, the thick-diameter glass tube is processed into the horn shape by the horn machine, the core column machine is used for assembling and combining the glass rod, the horn-shaped stem, the guide wire 1, the guide wire 2 and the hollow glass tube into the horn-shaped stem a04, the production time is further spent, and the manufacturing cost of equipment, electric power, the usage amount of glass materials, fuel gas (gas, oxygen, low-pressure air) and the like is increased.

SUMMERY OF THE UTILITY MODEL

The present invention has been made in view of the above problems, and as a result, the present invention provides a stem-less LED bulb structure, which is more suitable for conventional bulb structures with stem, and which is formed by replacing the conventional horn-shaped stem with the glass tube and the serial guide wire, and the foot guide wire as the support and fixation of the LED lamp, thereby saving the glass material, and saving the manufacturing process of using the horn-shaped glass tube and the core column machine to produce the glass rod, the horn-shaped stem, the guide wire 1, the guide wire 2, and the hollow glass tube, and combining the glass rod, the horn-shaped stem, the guide wire 1, and the hollow glass tube into the horn-shaped stem, thereby saving the production time and the equipment cost, The manufacturing cost of electricity, the consumption of glass materials, fuel gas (gas, oxygen, low-pressure air) and the like.

To achieve the above object, the present invention provides a stem-free LED lamp structure, which includes a glass lamp housing, one end of which has a clamping seal; a glass tube passing through and fixed at the pinch seal, so that one part of the glass tube is positioned in the glass lamp shell, the other part of the glass tube is positioned outside the glass lamp shell, and one part of the glass tube positioned in the glass lamp shell is provided with a through hole; one or more series guide wires fixed at one end of the glass tube, which is positioned at one part of the glass lamp shell and is far away from the clamping seal position; at least two or more LED lamps, wherein one end of each LED lamp is electrically connected with the series guide wire; the LED lamp comprises a glass lamp shell, a clamping seal, at least two foot end guide wires, a plurality of LED lamps and a plurality of LED lamps, wherein the LED lamps are connected in series; the glass tube and the at least two foot end guide wires are fixed at the clamping seal position of the glass lamp shell so as to support and fix the LED lamp.

In some embodiments, the pinch seal is fused to secure the glass tube and the at least two leg end guide wires.

In some embodiments, each of the LED lamps is electrically connected to the series wire via a first solder joint.

In some embodiments, each of the LED lamps is electrically connected to each of the foot end guide wires through a second welding point.

In some embodiments, each of the LED lamps is a light bar-shaped LED lamp.

In some embodiments, the glass tube is located at the portion outside the glass lamp envelope and at an end remote from the pinch seal, and communicates with an exhaust and inflation device.

In some embodiments, the through-hole is disposed away from the pinch seal.

After the adoption of the means, the utility model discloses only with glass pipe and series connection seal wire, foot end seal wire as the support and the fixed of LED lamp, replace traditional horn type stem, form the structure of no stem, not only can save glass material, more can omit the manufacturing procedure that utilizes loudspeaker machine to produce horn type glass pipe in production flow, save production time and manufacturing cost.

Drawings

Fig. 1 is a schematic plan view illustrating a conventional LED bulb structure having a stem.

Fig. 2 is a schematic diagram illustrating a production process of a conventional LED bulb structure with a stem.

Fig. 3 is a schematic perspective view showing the structure of the stem-free LED bulb of the present invention.

Fig. 4 is a schematic plan view showing the structure of the stem-less LED bulb of the present invention.

Fig. 5 is a schematic view showing the production process of the stem-free LED bulb structure of the present invention.

Fig. 6 to 14 are schematic perspective views showing the stages of the production of the fixture for the stem-less LED lamp structure of the present invention.

[ notation ] to show

100 LED bulb structure 1 glass lamp shell without core column

11 glass tube at clamping and sealing position 2

21 through hole 3 series wire

5-foot end guide wire of 4LED lamp

6 electronic parts 7 lamp holder

8 adhesive

300 jig

C02 automatic assembling machine of C01 automatic spot welding machine

D01 LED supporting structure of C03 exhaust sealing machine

D02 unsealed semi-finished product D03 exhausting, inflating and sealing to finish the semi-finished product of the bulb

D04 LED bulb finished product

W1 first welding point

W2 second welding point

[ conventional ]

200 LED bulb structure with core column

A01 Long glass tube

Glass tube of A02 required size

A021 air exhaust/inflation hole

A03 large-diameter glass tube

A04 horn-shaped core column

A05 guide wire

A06 supporting semi-finished product

A07 LED lamp A07

Semi-finished product of A08 core column

A09 large-diameter glass tube

A10 glass lampshade

A11 sealing hair bulb

A12 air-exhausting completed hair bulb

A13 lamp holder

A14 adhesive

A15 electric screw head

A16 power supply PC board

A17 plastic sheath

Semi-finished product of A18 bulb

A19 non-inspected finished product

A20 bulb finished product

B01 pipe cutting machine

B02 horn machine

B03 stem machine

B04 lamp strip welding machine

B05 glass bulb machine

B06 capper

B07 exhauster

B08 filling machine

B09 manual assembly station

B10 copper head machine

B11LED finished product testing machine

B12 marking machine.

Detailed Description

The above objects are achieved by the present invention, which is described in detail below with reference to the accompanying drawings.

Referring to fig. 3 and 4, the stem-free LED bulb structure 100 of the present invention includes a glass lamp housing 1, a glass tube 2, one or more series-connected wires 3, at least two or more LED lamps 4, and at least two foot-end wires 5.

The glass lamp envelope 1 is in the shape of a general bulb, and has a space inside, and one end of the glass lamp envelope 1 is fused to form a pinch 11.

The glass tube 2 is rod-shaped and passes through and is fixed to the pinch 11 by melting, so that a portion of the glass tube 2 is located inside the glass lamp envelope 1 and another portion of the glass tube 2 is located outside the glass lamp envelope 1, and a portion of the glass tube 2 located inside the glass lamp envelope 1 has a through hole 21, the through hole 21 is used for filling and exhausting gas from inside the glass lamp envelope 1, and in this embodiment, the through hole 21 is located away from the pinch 11.

One or more series-connected guide wires 3 are fixed at one end of the glass tube 2, which is located at a part of the glass lamp envelope 1 and is far away from the pinch seal 11.

One end of each LED lamp 4 is electrically connected with the series guide wire 3; in the present embodiment, each LED lamp 4 and the serial wire 3 are electrically connected by a first welding point W1; preferably, the LED lamp 4 used in the present invention is a lamp strip-shaped LED lamp.

Each foot end guide wire 5 passes through and can be fixed at the clamping seal position 11 in a melting mode, one part of each foot end guide wire 5 is positioned in the glass lamp shell 1 and is electrically connected with one end of the corresponding LED lamp 4 far away from the serial guide wire 3, and the other part of each foot end guide wire 5 is positioned outside the glass lamp shell 1; in the present embodiment, each LED lamp 4 and each foot end guide wire 5 are electrically connected through a second welding point W2.

Referring to fig. 5, as shown in fig. 6-14, the fixture 300 can be used for clamping in each process for production. Firstly, welding a series guide wire 3, an LED lamp 4 and a foot end guide wire 5 together by using an automatic spot welding machine C01, and combining the series guide wire with a glass tube 2 to form an LED supporting structure D01; assembling the LED supporting structure D01 and the glass lamp housing 1 together by using an automatic assembling machine C02 to form an unsealed semi-finished product D02; and then, the unsealed semi-finished product D02 is sealed by using an exhaust sealing machine C03 to form an exhaust inflation seal to finish the bulb semi-finished product D03.

In fig. 6, a feed foot end guide wire 5 is shown; in fig. 7, the foot end guide wire 5 is bent; in fig. 8, a glass tube 2 and a tandem guide wire 3 are fed; in fig. 9, one end of the glass tube 2 and the tandem guide wire 3 are fixed, and the glass tube 2 is perforated to form a through hole 21; in fig. 10, an LED lamp 4 is soldered (via a first solder point W1 and a second solder point W2) to the tandem guide wire 3 and the foot-end guide wire 5, respectively; in fig. 11, the glass lamp envelope 1 is nested; in fig. 12, the glass lamp envelope 1 is fixed again by a jig 300; in fig. 13, the glass lamp envelope 1 is press-sealed (melted) with the glass tube 2 and the lead wire 5 to form a pinch seal 11 for fixing the glass tube 1 and the lead wire 5; in fig. 14, the assembled exhaust gas-filled sealing completed semi-finished lamp D03 (i.e., the stem-less LED lamp structure 100 of the present invention) is taken out from the jig 300.

Referring to the later stage of the production flow of fig. 5, after the formation of the semi-finished LED bulb product D03 with the gas-filled and air-sealed end, the electronic component 6, the base 7 and the adhesive 8 can be combined by a head-assembling machine C04 to form a final finished LED bulb product D04.

In summary, the LED supporting structure D01 is composed of the foot end guide wires 5, the serial guide wires 3 and the glass tube 2, and is directly fused with the glass lamp housing 1 and press-sealed (the clamping part 11) to form the bulb D03, wherein one end of the LED lamp 4 is fixed by at least two foot end guide wires 5, and the other end of the LED lamp 4 is fixed by one or more serial guide wires 3.

Therefore, compare in the bulb structure that has the stem in the knowing, the utility model discloses a LED bulb structure 100 of no stem is with the support and the fixed mode of omitting to know tubaeform glass pipe (tubaeform stem) and clavate glass pipe as the seal wire, the utility model discloses only with glass pipe 2 and series connection seal wire 3, foot end seal wire 5 support and fixed as LED lamp 4, replace traditional tubaeform stem, form the structure of no stem, not only can save glass material, more can omit the manufacturing procedure that utilizes loudspeaker machine to produce tubaeform glass pipe in production flow, save production time and manufacturing cost.

Claims (7)

1. A stem-free LED bulb structure, comprising:

a glass lamp housing having a pinch seal at one end;

a glass tube passing through and fixed at the pinch seal, so that one part of the glass tube is positioned in the glass lamp shell, the other part of the glass tube is positioned outside the glass lamp shell, and one part of the glass tube positioned in the glass lamp shell is provided with a through hole;

one or more series guide wires fixed at one end of the glass tube, which is positioned at one part of the glass lamp shell and is far away from the clamping seal position;

at least two or more LED lamps, wherein one end of each LED lamp is electrically connected with the series guide wire; and

at least two foot end guide wires, wherein each foot end guide wire penetrates through and is fixed at the clamping seal position, one part of each foot end guide wire is positioned in the glass lamp shell and is electrically connected with one end of the corresponding LED lamp far away from the serial guide wires, and the other part of each foot end guide wire is positioned outside the glass lamp shell;

the glass tube and the at least two foot end guide wires are fixed at the clamping seal position of the glass lamp shell so as to support and fix the LED lamp.

2. The stem-less LED bulb structure of claim 1, wherein: the clamping seal fixes the glass tube and the at least two foot end guide wires in a melting mode.

3. The stem-less LED bulb structure of claim 1, wherein: each LED lamp is electrically connected with the series guide wire through a first welding point.

4. The stem-less LED bulb structure of claim 3, wherein: each LED lamp is electrically connected with each foot end guide wire through a second welding point.

5. The stem-less LED bulb structure of claim 1, wherein: each LED lamp is a lamp strip-shaped LED lamp.

6. The stem-less LED bulb structure of claim 1, wherein: the glass tube is positioned at the part outside the glass lamp shell and at one end far away from the clamping seal and is communicated with an exhaust and inflation device.

7. The stem-less LED bulb structure of claim 1, wherein: the through hole is far away from the clamping seal position.

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