LED lamp bead protection device
By designing a combined structure of protective cylinder and sealing plug, and utilizing components such as limiting ring, bearing plate and moving rod, the problems of damage and model compatibility during the transportation of LED lamp beads were solved, and the stability and protection effect were improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGXI QIANFU SEMICONDUCTOR CO LTD
- Filing Date
- 2025-09-17
- Publication Date
- 2026-07-31
AI Technical Summary
Existing LED beads are easily damaged by pressure and impact during transportation due to the sponge board detaching, and the protective measures are not universal, affecting the performance.
The protective device, consisting of a protective cylinder and a sealing plug, uses a structure including a limiting ring, a bearing plate, a limiting plate, a fixing plate, and a moving rod to achieve multi-point positioning and buffer protection for the pins and main body of different types of LED beads. It also provides stability and adaptability by using a combination of springs and compression pads.
It achieves stable fixing and protection of different types of LED beads, reduces the damage rate during transportation, improves the protection effect and the scope of application, and is suitable for the transportation of various types of LED beads.
Smart Images

Figure CN224577158U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of LED bead protection technology, specifically to an LED bead protection device. Background Technology
[0002] LED lights are widely used in daily life. Due to their advantages such as low power consumption, high brightness, vibrant colors, vibration resistance, long lifespan, and cold light source, they have gradually replaced incandescent lamps and entered people's lives.
[0003] In existing technologies, LED chips need to be transported after production. However, during transportation, many storage boards are stacked together. Traditionally, foam boards are used to protect the LED chips. However, the foam boards can detach during transportation and shaking, resulting in pressure and collision damage, which affects the use of the chips. This method is not effective in protecting the chips during transportation. Furthermore, the fixed structure of the foam boards means that different types of boards need to be used for protection of different types of LED chips, resulting in poor versatility and reduced overall practicality. There is room for improvement in this area.
[0004] No effective solutions have yet been proposed to address the problems in the relevant technologies. Utility Model Content
[0005] (a) Technical problems to be solved To address the shortcomings of existing technologies, this utility model provides an LED bead protection device that has the advantages of wide applicability, good protection effect, and excellent stability, thereby solving the problems mentioned in the background technology.
[0006] (II) Technical Solution To achieve the aforementioned advantages of wide applicability, good protective effect, and excellent stability, the specific technical solution adopted by this utility model is as follows: An LED bead protection device includes a protective cylinder and a sealing plug. A limiting ring is symmetrically installed at the bottom of the protective cylinder. A support plate is placed on the limiting ring, and the top of the support plate abuts against the limiting plate. The limiting plate has two positions: one below a connecting ring and the other at the top of each set of support plates. Several sets of fixing plates are installed around the top of the support plate. A fixing cylinder is fixedly installed on one side of each fixing plate. A moving rod is slidably connected inside the fixing cylinder. A spring is sleeved around the outer periphery of the moving rod, and both ends of the spring are fixed to the surface of the moving rod and the inner wall of the fixing cylinder, respectively. A compression pad is fixedly installed at the other end of the moving rod. Several sets of pin holes and limiting grooves are respectively opened around the surface of the support plate and the surface of the limiting plate. Contact pads are provided inside the limiting grooves and at the bottom of the limiting plate.
[0007] Furthermore, a sealing plug is threaded to the top of the protective cylinder, and a contact pad is also provided at the bottom of the sealing plug.
[0008] Furthermore, several sets of positioning holes are symmetrically opened on both sides of the protective cylinder.
[0009] Furthermore, docking holes are symmetrically provided on both sides of the bearing plate and both sides of the limiting plate.
[0010] Furthermore, the lamp bead body is placed on the carrier plate, and the pins on the surface of the lamp bead body are inserted into the pin holes, with the bottom of the pins located in the limiting groove.
[0011] Furthermore, the positioning holes and docking holes are correspondingly provided and locked by fasteners.
[0012] Furthermore, the fixing plate is provided in at least four sets.
[0013] Furthermore, an anti-detachment plate is provided at one end of the movable rod located inside the fixed cylinder.
[0014] (III) Beneficial Effects Compared with the prior art, the present invention provides an LED lamp bead protection device, which has the following beneficial effects: This utility model employs a surrounding limiting groove and pin holes to accommodate the insertion and alignment of pins for different types of LED beads. The distance between the carrier plate and the limiting plate can be adjusted using positioning holes and mating holes to further adapt to different types of LED beads. Furthermore, the carrier plate is surrounded by a spring-loaded adjustable movable rod. The pressure pads on the surface of the movable rods allow for the surrounding fixation of the LED beads. After fixation, the contact pads at the bottom of the limiting plate provide further pressure and restraint, enhancing the fixation effect. This multi-structure combination not only expands the applicability, enabling the simultaneous transport and protection of multiple types of LED beads, but also ensures effective restraint and stability during transport, improving the quality of protection, reducing damage, and ensuring better usability. It boasts advantages such as wide applicability, excellent protection, and superior stability. Attached Figure Description
[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0016] Figure 1This is a schematic diagram of the structure of an LED lamp bead protection device proposed in this utility model; Figure 2 This is a schematic diagram of the limiting plate of this utility model; Figure 3 This is a schematic diagram of the structure of the mating hole of this utility model; Figure 4 This is a schematic diagram of the connection structure between the fixed cylinder and the movable rod of this utility model.
[0017] In the picture: 1. Protective cylinder; 2. Limiting plate; 3. Limiting groove; 4. Limiting ring; 5. Contact pad; 6. Positioning hole; 7. Bearing plate; 8. Lamp bead body; 9. Connecting hole; 10. Fixing cylinder; 11. Sealing plug; 12. Moving rod; 13. Fixing plate; 14. Compression pad; 15. Spring; 16. Pin hole. Detailed Implementation
[0018] To further illustrate the various embodiments, the present invention provides accompanying drawings, which are part of the disclosure of the present invention. These drawings are mainly used to illustrate the embodiments and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, those skilled in the art should be able to understand other possible implementation methods and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are usually used to represent similar components.
[0019] According to an embodiment of the present invention, an LED bead protection device is provided.
[0020] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments, such as... Figure 1-4As shown, an LED bead protection device according to an embodiment of the present invention includes a protective cylinder 1 and a sealing plug 11. A limiting ring 4 is symmetrically installed at the bottom of the inner part of the protective cylinder 1. A bearing plate 7 is placed on the limiting ring 4. The top of the bearing plate 7 abuts against a limiting plate 2. The limiting plate 2 has two positions: one below the connecting ring and the other at the top of each set of bearing plates 7. Several sets of fixing plates 13 are installed around the top of the bearing plate 7. A fixing cylinder 10 is fixedly installed on one side of the fixing plate 13. A moving rod 12 is slidably connected inside the fixing cylinder 10. A spring 15 is sleeved on the outer periphery of the moving rod 12, and both ends of the spring 15 are fixed to the surface of the moving rod 12 and the inner wall of the fixing cylinder 10, respectively. A compression pad 14 is fixedly installed at the other end of the moving rod 12. Several sets of pin holes 16 and limiting grooves 3 are respectively opened around the surface of the bearing plate 7 and the surface of the limiting plate 2. Contact pads 5 are provided inside the limiting grooves 3 and at the bottom of the limiting plate 2. The bearing plate 7 is a transparent PC board (diameter 95-145mm × thickness 2mm, light transmittance ≥85%, easy to observe the status of the lamp beads). Pin holes 16 (Φ0.5-2mm, spacing 2-5mm, 10-20 sets, suitable for different numbers and diameters of lamp bead pins) are opened around its surface. The limiting plate 2 is a board of the same material (size is the same as the bearing plate 7). The limiting grooves 3 (length 5-10mm × width 0.6-2mm) are opened on its surface corresponding to the pin holes 16. 2mm x 1mm deep, with a coaxiality error ≤0.1mm with pin hole 16. A contact pad 5 (silicone material, 0.5mm thick) is pasted inside the groove to wrap the bottom of the LED pin (to prevent pin bending). Each group of LEDs corresponds to "1 support plate 7 + 1 limiting plate 2" (support plate 7 supports the LED body 8, limiting plate 2 presses the top of the LED). Multiple layers can be stacked depending on the number of LEDs. Height adjustment and locking: Positioning holes 6 (Φ3mm, 10mm spacing, distributed along the length) are symmetrically opened on both sides of the protective cylinder 1. Corresponding mating holes 9 (Φ3mm, coaxiality error ≤0.5mm with positioning hole 6) are opened on both sides of the support plate 7 and limiting plate 2. Fittings such as stainless steel pins, bolts, and screws (Φ2.9mm) can be used. Locking mechanism (0.1-0.2mm) allows for layer spacing adjustment (5-20mm, adaptable to LEDs of different heights (3-15mm)); Pin protection accuracy: Pin hole 16 and LED pin are fitted with a clearance fit (0.1-0.2mm), and the limiting groove 3 and the bottom of the pin are fitted with a clearance fit (0.1-0.2mm), forming "two-point positioning" to prevent pin bending during transportation (bending rate is lower than traditional protection); Interlayer stability: After pin locking, the relative displacement between the bearing plate 7 and the limiting plate 2 is ≤0.1mm (no shaking), and the interlayer pressure is transmitted through the contact pad 5 (pressure ≤0.1MPa) to avoid damaging the LED chip; Multi-model compatibility: Pin hole 16 (Φ0.5-2mm) and limiting groove 3 (width 0.6-2mm) are fitted with the LED pin.The pin specifications for LED beads have been expanded to 2mm (e.g., 2835, 5050, 3528), eliminating the need for replacement devices (improved versatility); precise pin protection: two-point positioning + 5-point contact pad cushioning reduces the stress on the pins during transportation impacts, preventing pin damage.
[0021] like Figure 1-4 As shown, a sealing plug 11 is threadedly connected to the top of the protective cylinder 1, and a contact pad 5 is also provided at the bottom of the sealing plug 11. The protective cylinder 1 is injection molded from ABS engineering plastic (diameter 100-150mm × length 200-500mm, wall thickness 3-5mm). A limiting ring 4 (PVC material, width 10mm × height 5mm, concentricity error ≤0.5mm) is symmetrically welded to the bottom of the inner wall to support the bottom support plate 7 (support surface flatness ≤0.1mm, to prevent the support plate 7 from tilting). A threaded section (M100-M150 × 1.5mm, precision 6g) is opened on the inner wall of the top of the protective cylinder 1, which is connected to the sealing plug 11 (ABS material, with a screw lug at the top and a screw lug at the bottom). A 5mm thick contact pad 5 (silicone material, Shore hardness 30A, coefficient of friction 0.8) is attached and threaded (fitting accuracy 6H, sealing gap ≤0.1mm) to form a closed space; Sealing accuracy: The threaded fit between the sealing plug 11 and the protective cylinder 1 ensures axial clamping force, and the bottom contact pad 5 completely fits the top limiting plate 2 (contact area ≥90%) to prevent internal components from moving up and down during transportation; Overall protection: The rigid outer shell of the protective cylinder 1 resists external impacts, and the closed structure of the sealing plug 11 isolates dust and moisture, preventing corrosion of the LED pins; Stacking compatibility: The standardized size design allows the protective cylinder 1 to be stacked in multiple layers (saving storage space) and is suitable for bulk transportation.
[0022] like Figure 1-4 As shown, several sets of positioning holes 6 are symmetrically opened on both sides of the protective cylinder 1. The docking hole 9 and the positioning hole 6 are used for positioning and locking.
[0023] like Figure 1-4 As shown, docking holes 9 are symmetrically provided on both sides of the bearing plate 7 and both sides of the limiting plate 2. The docking holes 9 and the positioning holes 6 are used for positioning and locking.
[0024] like Figure 1-4As shown, the LED bead body 8 is placed on the carrier plate 7, and the pins on the surface of the LED bead body 8 are inserted into the pin holes 16, with the bottom of the pins located in the limiting groove 3. The groove and hole positions are designed to limit the LED bead as it passes through the pins and to protect the bottom of the pins, preventing damage from hard impacts and friction, and ensuring the normal use of the pins. The size of the pin holes 16 and the limiting groove 3 can be set by the user according to their needs, either by a uniform maximum size or by different hole diameters at different positions, based on the corresponding dimensions of the pin positions of different LED beads. However, all of the above methods can achieve the passage and protection of the pins of different LED beads without affecting the normal function. The user can choose the specific adjustment method at their own discretion, which will not be elaborated further.
[0025] like Figure 1-4 As shown, positioning holes 6 and docking holes 9 are set accordingly and locked by fasteners. Hole alignment and locking ensure the stability of the structure and improve the limiting and protection effect on the LED beads.
[0026] like Figure 1-4 As shown, at least four sets of fixing plates 13 are provided. Four sets of fixing plates 13 (ABS material, 20mm long × 10mm wide × 15mm high, distributed at 90°) are evenly welded around the top of the bearing plate 7. A fixing cylinder 10 (Φ8mm × 10mm long, integrally formed with the fixing plate 13) is injection molded on one side of the fixing plate 13. A sliding rod 12 (Φ7mm × 15mm long, PP material) is slidably connected inside the cylinder. A spring 15 (Φ0.5mm × 8mm free length, stainless steel material, elasticity 1-3N) is sleeved on the outer periphery of the moving rod 12. The two ends of the spring 15 are respectively engaged with the stepped surface of the moving rod 12 and the inner wall of the fixing cylinder 10 (without looseness). A compression pad 14 (silicone material, 2mm thick × 5mm diameter, Shore hardness 20A) is attached to the other end of the moving rod 12. In the natural state, the spacing of the compression pads 14 is ≤5mm (suitable for the smallest LED bead size). After being compressed, it can open to 20mm. (Accommodates the largest LED bead size); Clamping compatibility: The spring force of spring 15 (1-3N) can be automatically adjusted according to the LED bead diameter (compression 1-15mm), and the contact area between the compression pad 14 and the side of the LED bead is ≥30% (forming a hugging force), adapting to LED bead bodies 8 with a diameter of 3-20mm (coverage ≥95%); Buffer protection: The silicone material of the compression pad 14 can absorb lateral impact force, and combined with the elastic deformation of spring 15, the force on the side of the LED bead is much lower than the bending strength of the LED bead shell; Adaptive clamping: 4 sets of elastic components form a "ring hug", which can adapt to LED bead bodies 8 with different diameters without adjustment (clamping range 3-20mm), and the radial displacement of the LED bead after fixing is ≤0.1mm (no shaking); Scratch protection for the body: The compression pad 14 (Shore hardness 20A) contacts the LED bead shell (no hard friction), avoiding scratches on the shell during transportation (scratch rate is lower than traditional protection).
[0027] like Figure 1-4 As shown, one end of the moving rod 12 is equipped with an anti-detachment plate inside the fixed cylinder 10. The anti-detachment plate (Φ9mm×1mm thick) is injection molded at the end of the moving rod 12 inside the fixed cylinder 10 to prevent the moving rod 12 from coming off. Device preparation: According to the height of the lamp bead (e.g., 5mm), lock it with the pins of the positioning hole 6 and the docking hole 9, and adjust the distance between the bearing plate 7 and the limiting plate 2 (7mm, with a 2mm buffer reserved); Lamp bead loading: Place the lamp bead body 8 on the bearing plate 7, and insert the pin into the corresponding pin hole 16 (ensure that the bottom of the pin falls into the limiting groove 3 of the lower limiting plate 2); The side of the lamp bead presses against the moving rod 12, the spring 15 is compressed to generate elastic force, and the soft pad 14 is pressed tightly against the side of the lamp bead (encircling and fixing); Multi-layer stacking: Repeat the above steps, stack the bearing plate 7, the limiting plate 2 and the lamp bead layer by layer, and lock each layer with pins (to ensure overall stability); Sealed transportation: Tighten the sealing plug 11 so that the bottom contact soft pad 5 is in contact with the top limiting plate 2 (axial locking), and the protective cylinder 1 forms a seal. Closed space (complete protection); Wide applicability: 16 pin holes (Φ0.5-2mm) + 3 limiting grooves (width 0.6-2.2mm) + elastic clamping (3-20mm diameter), covering more than 90% of LED bead models (no need for customized special protection devices, improving versatility); Good protection effect: pin positioning + main body ring fixation + all-directional soft pad cushioning, reducing the breakage rate of LED beads during transportation (pin bending, shell scratches, chip crushing) compared to traditional protection; Excellent stability: pin locking (no displacement between layers) + elastic ring (no radial shaking) + axial pressing of sealing plug 11 (no axial movement), ensuring absolute stability of LED beads throughout the transportation process (bumps, stacking, impact) (displacement ≤0.1mm); Through the collaborative design of "all-dimensional adaptation + multiple buffer fixation + layered locking", this device perfectly solves the pain points of "poor model compatibility, easily damaged pins, and insufficient stability" in LED bead transportation, making it suitable for large-scale LED bead warehousing and transportation.
[0028] Working principle: In actual use, personnel can select the appropriate number of limiting plates 2 and carrying plates 7 according to the number of LED beads to be loaded and transported. Then, the LED beads are placed on the carrying plate 7 so that the pins at the bottom can be inserted into the pre-set pin holes 16 on the carrying plate 7. At this time, the LED beads can come into contact with the carrying plate 7, and at the same time, they squeeze the surrounding moving rods 12. The moving rods 12 will drive the springs 15 to deform and generate a reaction force, thereby clamping and fixing the LED beads. Since the front end of the moving rods 12 is equipped with a compression pad 14, it can not only reduce the compression of the LED beads. Damage is prevented, and the soft pad can deform to better fit the surface of the LED bead, improving the limiting and fixing effect on the LED bead. Then, the carrier plate 7 can be placed into the protective cylinder 1. At this time, the bottom carrier plate 7 will fall onto the limiting ring 4, thus ensuring the height stability of the carrier plate 7 and preventing the pin from directly impacting the bottom surface of the protective cylinder 1, reducing damage. At this time, the pin will also fall into the limiting groove 3 on the surface of the limiting plate 2, thus realizing the limiting operation of the pin. The limiting groove 3 is equipped with a contact soft pad 5, which can protect the pin when contact occurs. Then, the pin can be placed through the positioning hole 6 on the surface. The aforementioned disc structure is fixed using the connector 9 and fasteners to achieve a limiting operation. Then, a new limiting disc 2 can be inserted. At this time, the contact pad 5 at the bottom of the limiting disc 2 can fit against the top of the LED bead, thereby squeezing and limiting the LED bead. The surrounding squeezing pads 14 and the pressure from the top contact pad 5 enhance the fixing effect of the LED bead, preventing shaking during transportation, improving stability, and ensuring protective effects during transport. This process can be repeated multiple times to place batches of LED beads for protection. The limiting disc 2, with... The support plate 7 is provided with several sets of limiting grooves 3 and pin holes 16, so it can be used for supporting and limiting different types of lamp beads, expanding the overall applicability of the device and making it easier to use. At the same time, in order to ensure the stability of the plate's fall and the alignment of the holes, the personnel can manually control the direction of the plate's fall or open guide grooves on the plate. The protective cylinder 1 is provided with guide strips. The cooperation between the guide strips and the guide grooves can ensure the stability of the plate's movement and the accuracy of the hole alignment, making it easier to use. The device as a whole has the advantages of wide applicability, good protection effect and excellent stability.
[0029] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0030] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. An LED bead protection device, comprising a protective cylinder (1) and a sealing plug (11), characterized in that, The protective cylinder (1) is symmetrically equipped with limiting rings (4) at the bottom. A bearing plate (7) is placed on the limiting ring (4). The top of the bearing plate (7) abuts against the limiting plate (2). The limiting plate (2) has two positions, one below the docking ring and the other at the top of each set of bearing plates (7). Several sets of fixing plates (13) are installed around the top of the bearing plate (7). A fixing cylinder (10) is fixedly installed on one side of the fixing plate (13). The inside of the fixing cylinder (10) is... A sliding rod (12) is provided, and a spring (15) is sleeved on the outer periphery of the sliding rod (12). The two ends of the spring (15) are fixed to the surface of the sliding rod (12) and the inner wall of the fixed cylinder (10), respectively. A compression pad (14) is fixedly installed on the other end of the sliding rod (12). Several sets of pin holes (16) and limiting grooves (3) are respectively opened around the surface of the bearing plate (7) and the surface of the limiting plate (2). Contact pads (5) are provided inside the limiting groove (3) and at the bottom of the limiting plate (2).
2. The LED lamp bead protection device according to claim 1, characterized in that, The top of the protective cylinder (1) is threaded with a sealing plug (11), and the bottom of the sealing plug (11) is also provided with a contact pad (5).
3. The LED lamp bead protection device according to claim 1, wherein, The protective cylinder (1) has several sets of positioning holes (6) symmetrically opened on both sides of its surface.
4. The LED lamp bead protection device according to claim 1, wherein, The bearing plate (7) and the limiting plate (2) are symmetrically provided with docking holes (9) on both sides of the bearing plate (7) and the limiting plate (2).
5. The LED lamp bead protection device according to claim 1, wherein, The lamp bead body (8) is placed on the carrier plate (7), and the pins on the surface of the lamp bead body (8) are inserted into the pin holes (16), and the bottom of the pins are located in the limiting groove (3).
6. The LED lamp bead protection device according to claim 3, characterized in that, The positioning hole (6) and the docking hole (9) are respectively provided and locked by fasteners.
7. The LED lamp bead protection device according to claim 1, wherein, The fixing plate (13) is provided in at least four sets.
8. The LED lamp bead protection device according to claim 1, wherein, One end of the movable rod (12) is provided with an anti-detachment plate located inside the fixed cylinder (10).