CN218918938U

CN218918938U - Patch type LED lead frame

Info

Publication number: CN218918938U
Application number: CN202222905742.1U
Authority: CN
Inventors: 黄平; 廖达新; 饶家平
Original assignee: Shenzhen Wanxingrui Technology Co ltd
Current assignee: Shenzhen Wanxingrui Technology Co ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-04-25
Anticipated expiration: 2032-11-02

Abstract

The utility model discloses a patch type LED lead frame which comprises a lead frame, wherein two groups of clamping blocks are symmetrically arranged and fixedly arranged on one side of the lead frame, two groups of clamping grooves are symmetrically arranged on the other side of the lead frame, the two groups of clamping grooves are matched with the two groups of clamping blocks, a positioning groove is formed between the two groups of clamping grooves on one side of the lead frame, the two groups of positioning grooves are symmetrically arranged, a positioning block is fixedly arranged between the two groups of clamping blocks on the other side of the lead frame, the two groups of positioning grooves are symmetrically arranged, the two groups of positioning grooves are matched with the two groups of positioning blocks, clamping assemblies are arranged in the two groups of positioning grooves, the two groups of clamping blocks are convenient to connect with each other through the arranged clamping grooves, the mounting and the dismounting of the patch type LED lead frame are simple, the working hours are saved, the mounting work of workers is more convenient, and the use effect of the patch type LED lead frame is improved.

Description

Patch type LED lead frame

Technical Field

The utility model relates to the technical field of lead frames, in particular to a patch type LED lead frame.

Background

The lead frame is used as a chip carrier of an integrated circuit, is a key structural member for realizing the electric connection between an internal circuit lead-out end of the chip and an external lead by means of bonding materials (gold wires, aluminum wires and copper wires) to form an electric loop, plays a role of a bridge connected with an external lead, and most of semiconductor integrated blocks need to use the lead frame, so that the lead frame is an important basic material in the electronic information industry, and besides high strength and high heat conductivity, the lead frame is required to be manufactured and packaged, and has good brazing performance, technological performance, etching performance, oxide film bonding performance and the like;

when the patch type LED is installed, the lead frame is required to be used, the structure of the existing patch type LED lead frame is simpler, the existing patch type LED lead frame is of an integrated structure, the assembly is inconvenient in the installation process, when the patch type LED lead frames of multiple groups are required to be connected, an external connecting piece is required to be used for connection, the installation and the disassembly between the patch type LED lead frames of multiple groups are more troublesome, the labor hour is consumed, inconvenience is brought to the operation of staff, and the use effect of the patch type LED lead frame is reduced.

Disclosure of Invention

The utility model aims to provide a patch type LED lead frame, which is convenient to connect two or more groups of patch type LED lead frames through a clamping groove and a clamping block, and is more stable in connection through a symmetrically arranged positioning groove and a positioning block, the stability of connection is further improved through a clamping component in the positioning groove, the installation and the disassembly of a plurality of groups of patch type LED lead frames are simpler, the labor hour is saved, the use effect of the patch type LED lead frame is improved, and the problems in the background art are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a SMD LED lead frame, includes the lead frame, lead frame one side symmetry sets up fixed mounting has two sets of fixture blocks, two sets of draw-in grooves have been seted up to lead frame opposite side symmetry, two sets of the draw-in groove sets up with two sets of fixture block matches, lead frame one side is located and has seted up the constant head tank between two sets of draw-in grooves, the constant head tank is the symmetry and is provided with two sets of, the lead frame opposite side is located fixed mounting between two sets of fixture blocks has the locating piece, the locating piece is the symmetry and is provided with two sets of, two sets of the constant head tank matches with two sets of locating pieces and sets up, two sets of the inside chucking subassembly that all is provided with of constant head tank.

Preferably, the lead frame is provided with two groups of heat dissipation holes up and down, and a chip seat arranged in parallel is arranged between the two groups of heat dissipation holes.

Preferably, the chip seat outside is even to be equipped with first metal wire pin, first metal wire pin outside is located and has seted up the wire casing on the lead frame, and evenly installs the second metal wire pin in the wire casing.

Preferably, the heat dissipation holes are bar-shaped holes, and the width of the heat dissipation holes is not more than mm.

Preferably, one end of the first metal wire pin and one end of the second metal wire pin are arranged in a one-to-one correspondence manner, and the first metal wire pin and the second metal wire pin are copper wire pins.

Preferably, the lead frame is a square lead frame, and the four corners of the lead frame are uniformly distributed and symmetrically provided with mounting holes.

Preferably, the clamping assembly comprises a notch, a spring and clamping blocks, wherein the clamping blocks are symmetrically provided with two groups, and the two groups of clamping blocks are matched.

Preferably, two groups of clamping blocks are connected to the inside of the notch in a sliding mode, and the springs are arranged between the inside of the notch and one side of the clamping block.

Preferably, the spring is set as compression spring, the clamp splice is set as arc clamp splice, the arc wall that matches the clamp splice and set up is seted up to both sides on the locating piece, the clamp splice joint is inside the arc wall.

Preferably, the clamping blocks are fixedly arranged on one side of the inside of the notch, and the area of each limiting block is larger than the opening area of the notch.

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

1. according to the utility model, the clamping groove is formed in one side of the lead frame, the clamping block matched with the clamping groove is fixedly arranged on the other side of the lead frame, and the clamping block is clamped in the clamping groove during connection, so that two groups of patch type LED lead frames and more than two groups of patch type LED lead frames are convenient to connect, an external connecting piece is not needed, and the operation is convenient;

2. the positioning groove and the positioning block which are symmetrically arranged enable connection between the patch type LED lead frames to be more stable, the clamping assembly in the positioning groove further improves connection stability, the clamping block of the clamping assembly is clamped in the arc-shaped grooves on two sides of the positioning block after the positioning block is clamped into the positioning groove through elastic acting force of the spring, installation and disassembly between the patch type LED lead frames of a plurality of groups are simple, labor hour is saved, and use effect of the patch type LED lead frames is improved.

Drawings

FIG. 1 is a schematic perspective view of a front view structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic diagram of a front view of a chip carrier part according to the present utility model;

FIG. 4 is a schematic view of a clamping assembly of the present utility model in partial cross-section;

fig. 5 is a schematic front view of a multi-group connection structure according to the present utility model.

In the figure: 1. a lead frame; 2. a clamping block; 3. a clamping groove; 4. a positioning groove; 5. a positioning block; 6. a clamping assembly; 601. a notch; 602. a spring; 603. clamping blocks; 7. a heat radiation hole; 8. a chip holder; 9. a first metal line pin; 10. a wire slot; 11. a second metal wire pin; 12. a mounting hole; 13. an arc-shaped groove; 14. and a limiting block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a SMD LED lead frame, including lead frame 1, lead frame 1 one side symmetry sets up fixed mounting has two sets of fixture blocks 2, lead frame 1 opposite side symmetry has seted up two sets of draw-in grooves 3, two sets of draw-in grooves 3 and two sets of fixture blocks 2 match and set up, through setting up lead frame 1 one side and opening up draw-in groove 3, lead frame 1 opposite side fixed mounting has fixture blocks 2 that match and set up with draw-in groove 3, with fixture block 2 joint in draw-in groove 3 inside when connecting, make be convenient for connect between two sets of SMD LED lead frames and more than two sets of, need not through external connection spare, the simple operation;

the lead frame 1 is characterized in that positioning grooves 4 are formed in one side of the lead frame 1 and between two groups of clamping grooves 3, two groups of positioning grooves 4 are symmetrically arranged, positioning blocks 5 are fixedly arranged between two groups of clamping blocks 2 on the other side of the lead frame 1, the two groups of positioning grooves 4 are symmetrically arranged, the two groups of positioning blocks 5 are matched with the two groups of positioning blocks 5, when a plurality of groups of LED lead frames are connected, the clamping blocks 2 are clamped in the clamping grooves 3, meanwhile, positioning holes 5 are directly fixed in the positioning grooves 4, clamping assemblies 6 are arranged in the two groups of positioning grooves 4, the connection between the patch type LED lead frames is firmer through the symmetrically arranged positioning grooves 4 and the positioning blocks 5, and the stability of the connection is further improved through the clamping assemblies 6 in the positioning grooves 4;

the clamping assembly 6 comprises a notch 601, springs 602 and clamping blocks 603, wherein the clamping blocks 603 are symmetrically provided with two groups, the two groups of clamping blocks 603 are matched and arranged, one sides of the two groups of clamping blocks 603 are slidably connected inside the notch 601, the springs 602 are arranged between the inside of the notch 601 and one side of the clamping blocks 603, the springs 602 are compression springs, the clamping blocks 603 are arc-shaped clamping blocks, arc-shaped grooves 13 matched with the clamping blocks 603 are formed in two sides of the positioning block 5, the clamping blocks 603 are clamped inside the arc-shaped grooves 13, limiting blocks 14 are fixedly arranged on one side of the clamping blocks 603, which are positioned inside the notch 601, and the area of each limiting block 14 is larger than the opening area of the notch 601;

after the positioning blocks 5 are clamped into the positioning grooves 4 through the elastic acting force of the springs 602, the clamping blocks 603 of the clamping assembly 6 are ejected and clamped in the arc-shaped grooves 13 at two sides of the positioning blocks 5, the positioning blocks 5 can be clamped and fixed through the two groups of symmetrically arranged clamping blocks 603, the arc-shaped grooves 13 are designed, quick plugging and quick pulling are facilitated, the operation is convenient, the mounting and the dismounting between the plurality of groups of patch type LED lead frames are simple, the working hours are saved, the using effect of the patch type LED lead frames is improved, and the working efficiency is higher;

two groups of heat dissipation holes 7 are formed in the upper and lower parts of the lead frame 1, heat dissipation is facilitated, the heat of the lead frame 1 during working is reduced, a chip seat 8 which is arranged in parallel is arranged between the two groups of heat dissipation holes 7, first metal wire pins 9 are uniformly arranged on the outer side of the chip seat 8, a wire slot 10 is formed in the lead frame 1 on the outer side of the first metal wire pins 9, second metal wire pins 11 are uniformly arranged in the wire slot 10, the heat dissipation holes 7 are strip-shaped holes, and the width of the heat dissipation holes 7 is not more than 5mm;

the first metal wire pin 9 one end and the second metal wire pin 11 one end are even one to correspond the setting, and first metal wire pin 9 and second metal wire pin 11 are copper line pin, and lead frame 1 sets up to square lead frame, and lead frame 1 four corners evenly distributed symmetry has seted up mounting hole 12, is convenient for install external connection piece through mounting hole 12 and carries out the connection installation to lead frame 1.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A patch LED lead frame comprising a lead frame (1), characterized in that: two groups of clamping blocks (2) are symmetrically arranged on one side of the lead frame (1), two groups of clamping grooves (3) are symmetrically arranged on the other side of the lead frame (1), the clamping grooves (3) are matched with the two groups of clamping blocks (2), positioning grooves (4) are formed in the position between the two groups of clamping grooves (3) on one side of the lead frame (1), two groups of positioning grooves (4) are symmetrically arranged, positioning blocks (5) are fixedly arranged between the two groups of clamping blocks (2) on the other side of the lead frame (1), the two groups of positioning blocks (5) are symmetrically arranged, the two groups of positioning grooves (4) are matched with the two groups of positioning blocks (5), and clamping assemblies (6) are arranged in the two groups of positioning grooves (4).

2. A patch LED lead frame as set forth in claim 1, wherein: two groups of radiating holes (7) are formed in the upper portion and the lower portion of the lead frame (1), and a chip seat (8) which is arranged in parallel is arranged between the two groups of radiating holes (7).

3. A patch LED lead frame as claimed in claim 2, wherein: the chip is characterized in that first metal wire pins (9) are uniformly arranged on the outer side of the chip seat (8), a wire groove (10) is formed in the outer side of the first metal wire pins (9) and located on the lead frame (1), and second metal wire pins (11) are uniformly arranged in the wire groove (10).

4. A patch LED lead frame as claimed in claim 2, wherein: the heat dissipation holes (7) are strip-shaped holes, and the width of each heat dissipation hole (7) is not more than 5mm.

5. A patch LED lead frame as claimed in claim 3, wherein: one end of the first metal wire pin (9) and one end of the second metal wire pin (11) are uniformly and correspondingly arranged, and the first metal wire pin (9) and the second metal wire pin (11) are copper wire pins.

6. A patch LED lead frame as set forth in claim 1, wherein: the lead frame (1) is a square lead frame, and mounting holes (12) are symmetrically formed in four corners of the lead frame (1) in a uniform distribution mode.

7. A patch LED lead frame as set forth in claim 1, wherein: the clamping assembly (6) comprises a notch (601), a spring (602) and clamping blocks (603), wherein the clamping blocks (603) are symmetrically arranged in two groups, and the two groups of clamping blocks (603) are matched.

8. The patch LED lead frame of claim 7, wherein: two sets of clamp splice (603) one side all sliding connection is in notch (601) inside, spring (602) set up in notch (601) inside and between clamp splice (603) one side.

9. The patch LED lead frame of claim 7, wherein: the spring (602) is set to compression spring, clamp splice (603) are set to the arc clamp splice, arc groove (13) that match setting with clamp splice (603) are seted up to both sides on locating piece (5), clamp splice (603) joint is inside arc groove (13).

10. The patch LED lead frame of claim 7, wherein: limiting blocks (14) are fixedly arranged on one side of the inside of the notch (601) of the clamping block (603), and the area of each limiting block (14) is larger than the opening area of the notch (601).