Double-step stretching and bending support

By setting a double step stretching and bending structure between the pins and pads of the LED package bracket, the shaking and water vapor penetration caused by unstable pins and pad connections is solved, and a more stable fixation and waterproof effect is achieved.

CN223274460UActive Publication Date: 2025-08-26DONGGUAN CHANGTONG PRECISION HARDWARE
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Patent Information

Application Number
CN202422394117.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-30
Publication Date
2025-08-26
Estimated Expiration
2034-09-30

AI Technical Summary

Technical Problem

The pins and pad connection structure of the existing LED package brackets are smooth and flat, and are easy to shake, causing water vapor to penetrate and affect the operation of the lamp beads.

Method used

A double step stretch bending structure is provided between the pin and the pad, and the first and second steps are formed by stretching bending to secure the connection, increasing the length of the connection path and preventing water vapor from infiltration.

Benefits of technology

Improves the fixed stability of pins and pads, reduces shaking, extends the water vapor infiltration path, and prevents lamp bead failure.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223274460U_ABST
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Abstract

The utility model discloses a double-step stretching and bending support which comprises a support body, a plurality of pins are evenly arranged on the two sides of the bottom end of the support body, the pins are all attached to the bottom end of the support body, and the pins are connected with a plurality of connecting structures respectively. The connecting structures are connected to the two sides of the interior of the support body respectively, the connecting structures are connected with the bonding pads respectively, and the connecting positions of the connecting structures and the bonding pads are provided with second steps through stretching and bending. The first step and the second step are both attached to the support body. According to the double-step stretching and bending bracket, the double-step structure is arranged on the connecting part between the pin and the bonding pad through stretching and bending, so that the bonding pad and the pin can be more stably fixed on the bracket, shaking is reduced, the path from the pin to the bonding pad is lengthened, and the failure of a lamp bead caused by permeation of water vapor is more favorably prevented.
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Description

Technical Field

[0001] The utility model relates to the technical field of LEDs, in particular to a double-step stretching and bending bracket. Background Art

[0002] The LED package bracket is a crucial component of LED devices, playing a key role in conducting electricity, supporting the device, and focusing and reflecting light. Various packaging options exist, including lead-type packages, surface-mount packages (SMDs), multi-chip integrated packages (COBs), and chip-scale packages (CSPs). SMD packages, with their high light extraction efficiency and excellent heat dissipation, have become the predominant packaging format for LED lighting and displays. The LED package bracket not only provides physical support and a conductive medium for the LED device, but also, through its design and material selection, influences the LED's optical performance and heat dissipation efficiency, making it an indispensable component in the development of LED technology.

[0003] However, the connection structure between the pins and the pads of existing brackets is often not bent or stretched, and the connection is relatively smooth and flat. When fixed on the bracket, it is easy to shake. The distance from the pins to the pads is short, and water vapor can easily penetrate and affect the operation of the lamp beads. Utility Model Content

[0004] The purpose of the present utility model is to provide a double-step stretching and bending bracket, in which a double-step structure is provided on the connecting part between the pin and the pad by stretching and bending, so that the pad and the pin can be fixed on the bracket more stably, reducing shaking, and the path from the pin to the pad becomes longer, which is more conducive to preventing the infiltration of water vapor and causing the lamp bead to fail, thereby solving the problems raised by the above technical background.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a double-step stretching and bending bracket, comprising: a bracket main body, a plurality of pins are evenly arranged on both sides of the bottom end of the bracket main body, and the plurality of pins are all fitted on the bottom end of the bracket main body, a plurality of the pins are respectively connected to a plurality of connecting structures, and the connection between the connecting structure and the pin is provided with a first step by stretching and bending, a plurality of the connecting structures are respectively connected to the inner sides of the bracket main body, a plurality of the connecting structures are respectively connected to a plurality of welding pads, and the connection between the connecting structure and the welding pad is provided with a second step by stretching and bending, and the first step and the second step are both fitted on the bracket main body.

[0006] Preferably, a receiving groove is provided at the top end of the bracket body, and the width of the top end of the receiving groove is greater than the width of the bottom end of the receiving groove.

[0007] Preferably, a separation groove is provided at the bottom end of the accommodating groove, and the separation groove is located between a plurality of solder pads.

[0008] Preferably, a plurality of snap grooves are evenly formed on both sides of the bottom end of the bracket body, and the bottom end bending portions of the pins are snapped into the snap grooves.

[0009] Preferably, an identification groove is provided at a corner outside the top end of the bracket body.

[0010] Preferably, protrusions are connected to both sides of the exterior of the bracket body.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0012] By providing a first step for stretching and bending the connection between the connection structure and the pin, and a second step for stretching and bending the connection between the connection structure and the pad, the first step fixes the lower part of the connection structure in the bracket body, and the second step fixes the upper part of the connection structure in the bracket body, so that the structure consisting of the pin, the connection structure and the pad is stably fixed in the bracket body;

[0013] The double-step stretch-bending bracket is provided with a double-step structure on the connecting part between the pin and the pad by stretching and bending, so that the pad and the pin can be fixed on the bracket more stably, reducing shaking, and the path from the pin to the pad becomes longer, which is more conducive to preventing the infiltration of water vapor and causing the lamp bead to fail. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a top view of the first embodiment of the present utility model;

[0015] Figure 2 It is a cross-sectional view of the utility model;

[0016] Figure 3 This is a front view of the pins, connection structure and pads of the utility model;

[0017] Figure 4 A top view of a third embodiment of the present invention;

[0018] Figure 5 It is a top view of the fourth embodiment of the present utility model;

[0019] Figure 6 It is a top view of the fifth embodiment of the present invention.

[0020] The reference numerals and names in the figures are as follows:

[0021] 100, bracket body; 110, receiving groove; 120, separation groove; 130, snap groove; 140, identification groove; 150, bump; 200, pin; 300, connection structure; 310, first step; 320, second step; 400, solder pad. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] Example 1

[0024] See also Figures 1 to 3 , the utility model provides an embodiment: a double-step stretch-bending bracket, comprising: a bracket body 100, six pins 200 are evenly arranged on both sides of the bottom end of the bracket body 100, and the six pins 200 are all attached to the bottom end of the bracket body 100, the six pins 200 are respectively connected to six connecting structures 300, and the connection between the connecting structure 300 and the pin 200 is provided with a first step 310 by stretching and bending, the six connecting structures 300 are respectively connected to both sides of the interior of the bracket body 100, the six connecting structures 300 are respectively connected to six welding pads 400, and the connection between the connecting structure 300 and the welding pad 400 is provided with a second step 320 by stretching and bending, and the first step 310 and the second step 320 are both attached to the bracket body 100;

[0025] The three pads 400 on one side are set as long pads, and the three pads 400 on the other side are set as short pads.

[0026] The bracket body 100 is used to provide a bracket function, the pin 200 is used to provide a conductive function, the connecting structure 300 is used to connect the pin 200 and the pad 400 to provide a conductive function, and the pad 400 is used to connect the chip. The first step 310 is used to snap the lower part of the connecting structure 300 into the bracket body 100, and the second step 320 is used to snap the upper part of the connecting structure 300 into the bracket body 100;

[0027] In specific use, the pin 200 and the pad 400 are connected by the connecting structure 300 and installed in the bracket body 100. The pin 200 is conductive to the connecting structure 300, and the connecting structure 300 is conductive to the pad 400. The pad 400 drives the chip connected above, thereby providing a lighting function.

[0028] A first step 310 is formed by stretching and bending the connection between the connection structure 300 and the pin 200, and a second step 320 is formed by stretching and bending the connection between the connection structure 300 and the pad 400. The first step 310 and the second step 320 stably fix the connection structure 300 in the bracket body 100.

[0029] Example 2

[0030] See also Figures 1 to 3 The double-step stretch bending bracket proposed in this utility model, compared with the first embodiment, further includes:

[0031] The top of the bracket body 100 is provided with a receiving groove 110, and the width of the top of the receiving groove 110 is greater than the width of the bottom of the receiving groove 110;

[0032] By configuring the receiving groove 110 to have a trumpet-shaped structure with a larger upper portion and a smaller lower portion, the receiving groove 110 can concentrate light and improve light extraction efficiency.

[0033] A separation groove 120 is formed at the bottom of the receiving groove 110 , and the separation groove 120 is located between the six pads 400 ;

[0034] The separation groove 120 is used to separate the pads 400;

[0035] The separation grooves 120 separate the pads 400 so that the pads 400 do not contact each other, thereby separating the chips mounted on the pads 400 .

[0036] Six snap grooves 130 are evenly formed on both sides of the bottom end of the bracket body 100, and the bottom bent portion of the pin 200 is snapped into the snap grooves 130;

[0037] The snap groove 130 is used to snap onto the bottom bend of the pin 200;

[0038] The bottom end of the pin 200 is fixed to the bottom end of the bracket body 100 through the snap groove 130, thereby completing the fixation of the lower part of the pin 200.

[0039] An identification slot 140 is provided at a corner of the top outer side of the bracket body 100;

[0040] The identification slot 140 is used to identify the orientation of the bracket body 100;

[0041] The direction of the bracket body 100 can be observed through the identification groove 140 , so that the bracket body 100 can be reinstalled.

[0042] The bracket body 100 has protrusions 150 integrally formed on both sides of its exterior;

[0043] The protrusion 150 is used to snap onto the external structure to limit the position of the bracket body 100;

[0044] The bottom of the bracket body 100 is buckled onto the external structure through the protrusion 150 , thereby fixing the bracket body 100 .

[0045] Example 3

[0046] See also Figure 4

[0047] The pads 400 on both sides are respectively arranged as three groups of parallel pads 400 , each group of pads 400 includes a long pad and a short pad, and two adjacent groups of pads 400 are arranged in opposite directions.

[0048] Example 4

[0049] See also Figure 5

[0050] The pads 400 on both sides are configured as short pads. A short pad located at a corner of the receiving groove 110 is connected to a long pad, and the short pad and the long pad form an L-shaped structure.

[0051] Example 5

[0052] See also Figure 6

[0053] Four pins 200 are evenly arranged on both sides of the bottom end of the bracket body 100, and the four pins 200 are respectively connected to two short solder pads and two medium solder pads. The two short solder pads are located at both ends of a diagonal of the accommodating groove 110, and the two medium solder pads are located at both ends of the other diagonal of the accommodating groove 110. A long solder pad is connected to a medium solder pad located at a corner of the accommodating groove 110, and the medium solder pad and the long solder pad form an L-shaped structure.

[0054] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A double-step stretch bending bracket, characterized in that: include: A bracket body (100), wherein a plurality of pins (200) are evenly arranged on both sides of the bottom end of the bracket body (100), and the plurality of pins (200) are all attached to the bottom end of the bracket body (100), and the plurality of pins (200) are respectively connected to a plurality of connection structures (300), and the connection between the connection structure (300) and the pins (200) is provided with a first step (310) by stretching and bending, and the plurality of connection structures (300) are respectively connected to both sides of the interior of the bracket body (100), and the plurality of connection structures (300) are respectively connected to a plurality of soldering pads (400), and the connection between the connection structure (300) and the soldering pad (400) is provided with a second step (320) by stretching and bending, and the first step (310) and the second step (320) are both attached to the bracket body (100).

2. The double-step stretch bending bracket according to claim 1, characterized in that: A receiving groove (110) is provided at the top end of the bracket body (100), and the width of the top end of the receiving groove (110) is greater than the width of the bottom end of the receiving groove (110).

3. The double-step stretch-bending bracket according to claim 2, characterized in that: A separation groove (120) is provided at the bottom end of the accommodating groove (110), and the separation groove (120) is located between a plurality of solder pads (400).

4. The double-step stretch-bending bracket according to claim 1, characterized in that: A plurality of snap grooves (130) are evenly formed on both sides of the bottom end of the bracket body (100), and the bottom end bending portion of the pin (200) is snapped into the snap grooves (130).

5. The double-step stretch-bending bracket according to claim 1, characterized in that: An identification groove (140) is provided at a corner outside the top end of the bracket body (100).

6. The double-step stretch-bending bracket according to claim 1, characterized in that: Both sides of the exterior of the bracket body (100) are connected with bumps (150).