Winding-resistant, bending-resistant and twisting-resistant LED (light-emitting diode) flexible lamp strip
By incorporating a substrate, rolled copper foil wire, circuit layer, and protective mechanism into the LED flexible light strip, and combining this with the use of outer shell colloid and glass fiber, the problem of FPC board breakage is solved, achieving the light strip's resistance to winding, bending, and twisting, as well as stable connection, thus improving durability and reliability.
Patent Information
- Application Number
- CN202520505248.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-20
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-03-20
AI Technical Summary
When existing LED flexible light strips are bent, the FPC board is prone to breakage, causing the LED chips to fail to light up and reducing the durability of the light strip.
The design incorporates a substrate, rolled copper foil wire, circuit layer, LED beads, and protection mechanism. The strength of the light strip is enhanced by the placement of positive and negative solder points and connecting wires. The outer shell colloid and glass fiber are used to improve protection, and a torsion spring and limit rod are combined to ensure a stable connection.
It improves the resistance of LED flexible light strips to winding, bending and twisting, avoids circuit layer breakage, enhances the durability and reliability of the light strip, and ensures the normal operation of LED beads.
Smart Images

Figure CN223782800U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to flexible electronic lighting technical field especially relates to a kind of winding bending twist-resistant LED soft light strip. BACKGROUND
[0002] LED soft light strip is a kind of lighting device composed of multiple LED lamp beads installed on flexible circuit board.It has the characteristics of soft, bendable, and can be cut, and is widely used in decorative lighting, advertising lighting, building lighting, automotive lighting and other fields.
[0003] Patent authorized publication number CN221035667U discloses a kind of light strips of multidirectional bending, the light strip includes LED chip, IC, resistance, FPC board and shell colloid, its features are: LED chip, IC and resistance are welded on FPC board, the FPC board is arranged in shell colloid, the shell colloid is integrally extruded by flexible silica gel, there is accommodating space in the shell colloid, and the LED chip, IC and FPC board welded are built into the accommodating space of shell colloid;The bottom in the shell colloid has a raised ridge, the FPC board is fixed on the ridge, the flexible PCB can be inclined deformation to offset lateral bending stress when laterally bending by the design of ridge, not easy to break, and the closed space formed by shell colloid cooperates with plug whole waterproof effect is excellent, but after LED chip is fixed on FPC board, the FPC board between two LED chips is in soft and hard interlaced, when bending light strip, the FPC board at this position is prone to break, cause part LED chip not to bright, thereby reduce the durability of LED soft light strip.
[0004] Therefore, a kind of winding bending twist-resistant LED soft light strip is needed. UTILITY MODEL CONTENTS
[0005] To overcome the shortcomings of the prior art that the FPC board between two LED chips is in soft and hard interlaced after the LED chip is fixed on the FPC board, and the FPC board at this position is prone to break when bending the light strip, causing part LED chip not to bright, thereby reducing the durability of the LED soft light strip, the utility model provides a kind of winding bending twist-resistant LED soft light strip.
[0006] The utility model discloses a technical scheme is: a kind of winding bending and twisting resistant LED soft light strip, including substrate, calendered copper foil wire, circuit layer and LED lamp bead and protection mechanism, substrate inside is provided with calendered copper foil wire, substrate top is provided with multiple circuit layers, substrate is symmetrically provided with multiple LED lamp beads, substrate outside is provided with protection mechanism, protection mechanism protects entire LED soft light strip, still including anode welding point, cathode welding point, first connecting wire, second connecting wire and third connecting guide, anode welding point is welded on circuit layer, cathode welding point is welded on circuit layer, anode welding point is connected with LED lamp bead by first connecting wire, cathode welding point is connected with LED lamp bead by second connecting wire, vertically aligned two LED lamp beads are connected with third connecting wire.
[0007] Optionally, further comprising a shell glue and glass fiber, the shell glue is clamped on the substrate, and the shell glue is internally provided with the glass fiber.
[0008] Optionally, further comprising a plug, a connector, a shaft, a torsion spring and a limiting rod, the plug is fixedly connected to the front end of the substrate, two limiting grooves are formed in the left and right sides of the plug, the connector is fixedly connected to the rear end of the substrate, the shaft, two mounting grooves are formed in the left and right sides of the connector, the shaft is fixedly connected in the mounting grooves, the limiting rod is rotatably arranged on the shaft, the limiting rod is clamped with the limiting grooves, the torsion spring is sleeved on the upper and lower ends of the shaft, and the two ends of the torsion spring are connected with the limiting rod and the connector respectively.
[0009] Optionally, further comprising a rubber protective sleeve, the rubber protective sleeve is sleeved on the front and rear ends of the shell glue.
[0010] Optionally, the front end of the plug is provided in a wedge-shaped structure.
[0011] Optionally, the limiting rod is fixedly connected with a pressing block at one end of the mounting groove.
[0012] Compared with the prior art, the utility model provides a kind of winding bending and twisting resistant LED soft light strip, with the following beneficial effects: 1, by the setting of anode welding point, cathode welding point, first connecting wire, second connecting wire, third connecting wire, the overall strength of LED light band is enhanced, so as to improve the winding bending and twisting resistance of LED light band, so as to avoid the influence of use effect caused by the non-lighting of LED lamp bead due to the fracture of circuit layer, and further improve the durability of LED soft light band.
[0013] 2, when using LED soft light band, shell glue prevents dust, moisture and physical impact from damaging substrate and circuit, while glass fiber enhances the strength and heat resistance of shell glue, further improving the durability and reliability of light band.
[0014] 3. The elastic potential energy of the torsion spring is released, the limiting rod is pushed to rotate inward, the limiting rod is clamped with the limiting groove on the plug, so that the plug and the connector are fixed, the plug and the connector are prevented from loosening, and stable connection and normal work of the LED soft lamp strip are ensured. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a three-dimensional structure schematic view of the utility model.
[0016] Figure 2 It is a three-dimensional sectional structure schematic view of the utility model base plate, shell adhesive and glass fiber.
[0017] Figure 3 It is a three-dimensional sectional structure schematic view of the utility model base plate, rolled copper foil wire and LED lamp bead.
[0018] Figure 4 It is a three-dimensional sectional structure schematic view of the utility model shell adhesive, plug and rubber protective sleeve.
[0019] Figure 5 It is a three-dimensional sectional structure schematic view of the utility model shell adhesive, connector and limiting rod.
[0020] Figure 6 It is a three-dimensional sectional structure schematic view of the utility model Figure 5 It is an enlarged view of A in the utility model.
[0021] Markings in the drawings: 1-base plate, 2-rolled copper foil wire, 3-circuit layer, 4-LED lamp bead, 401-positive electrode welding point, 402-negative electrode welding point, 403-first connecting wire, 5-second connecting wire, 6-third connecting wire, 7-shell adhesive, 8-glass fiber, 9-plug, 10-limiting groove, 11-connector, 12-mounting groove, 13-rotating shaft, 14-torsion spring, 15-limiting rod, 16-rubber protective sleeve. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0023] Embodiment 1: A winding, bending and twisting resistant LED soft lamp strip, please refer to Figures 1-5The utility model relates to a LED soft lamp strip, including substrate 1, copper foil line 2, circuit layer 3 and LED lamp pearl 4 and protection mechanism, substrate 1 inside is provided with copper foil line 2, substrate 1 top is provided with a plurality of circuit layer 3, substrate 1 symmetry is provided with a plurality of LED lamp pearl 4, substrate 1 outside is provided with protection mechanism, protection mechanism carries out protection to whole LED soft lamp strip, and protection mechanism includes shell glue body 7 and glass fiber 8, shell glue body 7 is clamped on substrate 1, shell glue body 7 usually is made of silica gel or PVC material, has good flexibility and weather resistance, shell glue body 7 is provided with glass fiber 8 in, circuit layer 3 is welded with anode welding point 401, circuit layer 3 is welded with cathode welding point 402, anode welding point 401 is connected with LED lamp pearl 4 through first connecting wire 403, cathode welding point 402 is connected with LED lamp pearl 4 through second connecting wire 5, and the third connecting wire 6 is connected between the vertical alignment two LED lamp pearl 4, and first connecting wire 403, second connecting wire 5 and third connecting wire 6 are all bonding wire, and the bonding wire is made of alloy material, has good anti-fracture.
[0024] The LED soft lamp strip, anode welding point 401 and cathode welding point 402 are welded on circuit layer 3, LED lamp pearl 4 is connected with anode welding point 401 through first connecting wire 403, and LED lamp pearl 4 is connected with cathode welding point 402 through second connecting wire 5, to form line, through the setting of anode welding point 401, cathode welding point 402, first connecting wire 403, second connecting wire 5 and third connecting wire 6, the overall strength of LED lamp strip is enhanced, so as to improve the winding bending distortion resistance of LED lamp strip, avoid the influence of use effect due to the non-lighting of LED lamp pearl 4 caused by the fracture of circuit layer 3, and further improve the durability of LED soft lamp strip, before using the LED soft lamp strip, shell glue body 7 is moved to substrate 1, then shell glue body 7 is pushed and is clamped with substrate 1, so as to fix shell glue body 7 on substrate 1, when using the LED soft lamp strip, shell glue body 7 prevents the damage of dust, moisture and physical impact to substrate 1 and circuit, and glass fiber 8 enhances the strength and heat resistance of shell glue body 7, further improves the durability and reliability of the lamp strip.
[0025] Example 2: on the basis of example 1, please refer to Figure 1 、 Figure 4 、 Figure 5 And Figure 6The front end of the substrate 1 is fixedly connected with a plug 9, two limiting grooves 10 are formed on the left and right sides of the plug 9, the rear end of the substrate 1 is fixedly connected with a connector 11, a rotating shaft 13, mounting grooves 12 are formed on the left and right sides of the connector 11, the rotating shaft 13 is fixedly connected in the mounting grooves 12, a limiting rod 15 is rotatably arranged on the rotating shaft 13, the limiting rod 15 is connected with the limiting grooves 10, torsion springs 14 are sleeved on the upper and lower ends of the rotating shaft 13, the two ends of the torsion springs 14 are respectively connected with the limiting rod 15 and the connector 11, the front end of the plug 9 is provided in a wedge-shaped structure, the wedge-shaped structure facilitates the insertion of the plug 9 into the connector 11, the limiting rod 15 is fixedly connected with a pressing block at one end of the mounting groove 12, the pressing block facilitates the manual operation of the limiting rod 15, realizes the quick connection and separation of the plug 9 and the connector 11, rubber protective sleeves 16 are sleeved on the front and rear ends of the shell gel body 7, the rubber protective sleeves 16 shield the gap between the shell gel body 7 and the plug 9 and the plug 9, and prevent the gap from being entered.
[0026] When a plurality of LED soft lamp strips need to be spliced together for use, first, the pressing block on the limiting rod 15 is pressed, and the limiting rod 15 is rotated outward, at this time, the torsion spring 14 is compressed, and the elastic potential energy is stored, then, the plug 9 is inserted into the connector 11, and the plug 9 and the connector 11 are ensured to be in close contact, then, the pressing block is released, the torsion spring 14 releases the elastic potential energy, and pushes the limiting rod 15 to rotate inward, so that the limiting rod 15 is connected with the limiting groove 10 on the plug 9, thereby fixing the plug 9 and the connector 11, avoiding the loosening of the plug 9 and the connector 11, and ensuring the stable connection and normal work of the LED soft lamp strip.
[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A flexible LED light strip resistant to winding, bending, and twisting, comprising a substrate (1), rolled copper foil wires (2), circuit layers (3), LED beads (4), and a protective mechanism, wherein rolled copper foil wires (2) are disposed inside the substrate (1), multiple circuit layers (3) are disposed on the top of the substrate (1), multiple LED beads (4) are symmetrically disposed on the substrate (1), and a protective mechanism is disposed on the outside of the substrate (1), the protective mechanism protecting the entire flexible LED light strip, characterized in that: It also includes a positive electrode soldering point (401), a negative electrode soldering point (402), a first connecting wire (403), a second connecting wire (5) and a third connecting wire. The positive electrode soldering point (401) is soldered on the circuit layer (3), and the negative electrode soldering point (402) is soldered on the circuit layer (3). The positive electrode soldering point (401) is connected to the LED lamp bead (4) through the first connecting wire (403), and the negative electrode soldering point (402) is connected to the LED lamp bead (4) through the second connecting wire (5). The two vertically aligned LED lamp beads (4) are connected by a third connecting wire (6).
2. The LED flexible light strip resistant to winding, bending, and twisting according to claim 1, characterized in that: It also includes a shell colloid (7) and glass fiber (8), with the shell colloid (7) snapped onto the substrate (1) and glass fiber (8) disposed inside the shell colloid (7).
3. The LED flexible light strip resistant to winding, bending, and twisting according to claim 2, characterized in that: It also includes a plug (9), a connector (11), a rotating shaft (13), a torsion spring (14), and a limiting rod (15). The plug (9) is fixedly connected to the front end of the base plate (1). Two limiting grooves (10) are opened on both the left and right sides of the plug (9). The connector (11) and the rotating shaft (13) are fixedly connected to the rear end of the base plate (1). The connector (11) has mounting grooves (12) on both the left and right sides. The rotating shaft (13) is fixedly connected in the mounting groove (12). The limiting rod (15) is rotatably set on the rotating shaft (13). The limiting rod (15) is engaged with the limiting groove (10). The torsion spring (14) is sleeved on both the upper and lower ends of the rotating shaft (13). The two ends of the torsion spring (14) are connected to the limiting rod (15) and the connector (11) respectively.
4. The LED flexible light strip resistant to winding, bending, and twisting according to claim 3, characterized in that: It also includes a rubber protective sleeve (16), and the front and rear ends of the outer shell (7) are covered with rubber protective sleeves (16).
5. The LED flexible light strip resistant to winding, bending, and twisting according to claim 4, characterized in that: The front end of the plug (9) is set as a wedge-shaped structure.
6. The LED flexible light strip resistant to winding, bending, and twisting according to claim 5, characterized in that: The limit rod (15) is fixedly connected to a push block at one end of the mounting groove (12).
Citation Information
Patent Citations
A light strip that can be bent in multiple directions
CN221035667U