CN216699070U

CN216699070U - TO encapsulation pipe cap

Info

Publication number: CN216699070U
Application number: CN202220203797.5U
Authority: CN
Inventors: 张阳
Original assignee: Shanghai Enbi Technology Co ltd
Current assignee: Shanghai Enbi Technology Co ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-06-07
Anticipated expiration: 2032-01-25

Abstract

The utility model discloses a TO packaging pipe cap which comprises a metal base, a metal ring and a plastic lens, wherein the metal ring is fixedly connected TO the metal base, the center position of the metal base is positioned in the metal ring, the center position of the metal base is fixedly connected with a light-emitting chip, the light-emitting chip is positioned on the central shaft of the metal ring in an isometric mode, the lower end of the plastic lens is fixedly connected with a positioning ring, the positioning ring is clamped at the upper end of the metal ring, the lower end of the plastic lens abuts against the upper end of the metal ring, the whole plastic lens can transmit light, and the lower end of the plastic lens is fixedly connected with four positioning connecting devices. The utility model has reasonable structural design, can stably connect the lens and the metal ring and can be conveniently taken out at any time, and has the advantage of reducing the manufacturing cost.

Description

TO encapsulation pipe cap

Technical Field

The utility model relates TO the technical field of food packaging, in particular TO a TO packaging pipe cap.

Background

The TO cap is an optical component applied in the field of optoelectronics, the transistor package is the international industry standard name controlling a special conductive electronic package, and the TO package comprises two components: tube sockets and tube caps, which in the field of optoelectronics fulfill two basic functions, firstly they provide a permanent and reliable protection of optical components in the field of transmission and reception applications, and secondly, as optical interfaces, they ensure a smooth transmission of optical signals.

In the prior art, the TO pipe cap is high in manufacturing cost, the pipe cap and the pipe seat are generally in an immovable connection mode, the pipe cap cannot be opened for the second time although the TO pipe cap and the pipe seat are firm, and based on the problems, the TO packaging pipe cap is provided.

SUMMERY OF THE UTILITY MODEL

The present invention is directed TO a TO package cap TO solve the above-mentioned problems of the related art.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a TO encapsulation pipe cap, includes metal base, ferrule and plastic lens, ferrule fixed connection is on metal base, metal base's central point puts and is located inside the ferrule, metal base's center department fixedly connected with luminescence chip, luminescence chip is located the center pin isometric of ferrule, plastic lens's lower extreme fixedly connected with position circle, the position circle joint is in the upper end of ferrule, plastic lens's lower extreme offsets with the upper end of ferrule, plastic lens wholly can the printing opacity, four location connecting device of plastic lens's lower extreme fixedly connected with.

Preferably, the metal base is provided with chips such as an LED and a VCSEL on a surface inside the metal ring, and the chips such as the LED and the VCSEL are electrically connected to the light emitting chip through bonding wires.

Preferably, the positioning and connecting device comprises a positioning rod fixedly connected to the lower end of the plastic lens, a positioning groove is arranged at the side wall of the positioning rod in a penetrating manner, a sliding groove is arranged at the outer side wall of the metal ring in a penetrating manner, the position of the positioning rod corresponds to the position of the sliding groove, a positioning column is fixedly connected to the inner wall of the sliding groove, and the shape and size of the positioning column are the same as those of the positioning groove.

Preferably, the emitted light of the light emitting chip can be output in a collimating way after passing through the plastic lens, so that parallel light is formed.

Preferably, the thickness of the positioning ring is one third of the thickness of the metal ring.

Compared with the prior art, the utility model has the beneficial effects that:

1. by arranging the plastic lens, the metal base and the positioning connecting device to be matched with each other, when the plastic lens and the metal base are connected, the matching of the four positioning rods and the positioning columns can be used for replacing the traditional welding, so that the plastic lens can be taken at any time, the existing structure cannot be damaged, the fixation is firm enough, and the plastic lens cannot easily fall off;

2. through setting up plastic lens and replacing traditional glass lens, reduce manufacturing cost under the condition that does not influence the use, assemble and the collimation output with the light that chips such as LED, VCSEL emitted, can play the function of spotlight.

Drawings

Fig. 1 is a schematic structural view of a TO package cap according TO the present invention;

fig. 2 is a cross-sectional view of a TO package cap according TO the present invention;

fig. 3 is a schematic top view of a TO package cap according TO the present invention.

In the figure: the LED lamp comprises a metal base 1, a metal ring 2, a positioning column 3, a positioning rod 4, a positioning ring 5, a plastic lens 6 and a light-emitting chip 7.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring TO fig. 1-3, a TO package cap comprises a metal base 1, a metal ring 2 and a plastic lens 6, wherein the metal ring 2 is fixedly connected TO the metal base 1, the surface of the metal base 1 in the metal ring 2 is provided with chips such as LEDs and VCSELs, the chips such as the LEDs and the VCSELs are electrically connected TO a light emitting chip 7 through a bonding wire, the center of the metal base 1 is located inside the metal ring 2, the center of the metal base 1 is fixedly connected TO the light emitting chip 7, the light emitting chip 7 is located at the center axis of the metal ring 2, the lower end of the plastic lens 6 is fixedly connected TO a positioning ring 5, the positioning ring 5 is clamped at the upper end of the metal ring 2, the thickness of the positioning ring 5 is one third of the thickness of the metal ring 2, the thickness of the positioning ring 5 does not affect the light output of the light emitting chip 7, the positioning ring 5 is tightly attached TO the inner wall of the metal ring 2, the lower end of the plastic lens 6 is abutted TO the upper end of the metal ring 2, the plastic lens 6 can be transparent, and four positioning and connecting devices are fixedly connected to the lower end of the plastic lens 6.

Specifically, the location connecting device includes locating lever 4 of fixed connection at the 6 lower extreme of plastic lens, the lateral wall department of locating lever 4 runs through and is provided with the constant head tank, the lateral wall department of ferrule 2 runs through and is provided with the spout, the position of locating lever 4 is corresponding with the position of spout, the inner wall department fixedly connected with reference column 3 of spout, the shape size of reference column 3 is the same with the shape size of constant head tank, reference column 3 matches with the shape size of constant head tank, can reduce and rock, increase stability, it down removes plastic lens 6 to aim at behind the position of plastic lens 6 and ferrule 2, let four locating levers 4 slide respectively in each spout, let 3 reference columns in each direction enter into respectively and can accomplish plastic lens 6 and ferrule 2's fixed in the constant head tank on the locating lever 4 lateral wall that corresponds.

It should be mentioned that the emitted light of the light emitting chip 7 can be collimated and output after passing through the plastic lens 6 to form parallel light, and the plastic lens 6 can perform the function of condensing light.

In the utility model, when an operator installs the metal ring 2 and the plastic lens 6, the positions of the four positioning rods 4 and the four sliding grooves are firstly aligned, each positioning rod 4 slides into each sliding groove respectively, and the positioning columns 3 fixedly connected to the inner walls of the sliding grooves respectively enter the positioning grooves on the side walls of the positioning rods 4 at the corresponding positions, so that the plastic lens 6 can be stably connected to the metal ring 2, the traditional welding mode is replaced, and in operation, light rays emitted by the light emitting chip 7 are collimated and output after passing through the plastic lens 6, and parallel light rays are emitted.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a TO encapsulation pipe cap, includes metal base (1), ferrule (2) and plastic lens (6), its characterized in that, ferrule (2) fixed connection is on metal base (1), the central point of metal base (1) puts and is located ferrule (2) inside, fixedly connected with luminescence chip (7) are located at the center of metal base (1), luminescence chip (7) are located the center pin equiaxial of ferrule (2), the lower extreme fixedly connected with position circle (5) of plastic lens (6), position circle (5) joint is in the upper end of ferrule (2), the lower extreme of plastic lens (6) offsets with the upper end of ferrule (2), plastic lens (6) are whole can the printing opacity, four location connecting device of lower extreme fixedly connected with of plastic lens (6).

2. A TO package cap according TO claim 1 characterized in that the metal base (1) is provided with LED, VCSEL or the like chips at the surface inside the metal ring (2), and the LED, VCSEL or the like chips are electrically connected with the light emitting chip (7) through bonding wires.

3. The TO encapsulation cap of claim 1, wherein the positioning connection device comprises a positioning rod (4) fixedly connected TO the lower end of the plastic lens (6), a positioning groove is formed in the side wall of the positioning rod (4), a sliding groove is formed in the outer side wall of the metal ring (2), the position of the positioning rod (4) corresponds TO the position of the sliding groove, a positioning column (3) is fixedly connected TO the inner wall of the sliding groove, and the shape and size of the positioning column (3) are the same as those of the positioning groove.

4. The TO packaging cap as claimed in claim 1, wherein the emitted light of the light emitting chip (7) can be collimated and output after passing through the plastic lens (6) TO form parallel light.

5. A TO package cap according TO claim 1 characterized in that the thickness of the retainer ring (5) is one third of the thickness of the ferrule (2).