A bendable flexible light strip

Abstract

The application discloses a bendable flexible lamp strip, which comprises a lamp strip body, a flexible circuit board with a plurality of LED light sources arranged in the lamp strip body, a plurality of mounting holes corresponding to the plurality of LED light sources are arranged in a light-transmitting piece of the lamp strip body, a set of lens assemblies are arranged in each mounting hole, the lamp strip body is provided with a first mounting channel below the flexible circuit board, a flexible plate is movably arranged in the first mounting channel, a plurality of first permanent magnets corresponding to all the lenses are arranged in the flexible plate, the flexible plate can move along the first mounting channel, and each first permanent magnet and the corresponding lens are vertically overlapped or staggered with each other. Through the structure, the user can adjust the distance between all the lenses and the corresponding LED light sources, so that the light-emitting range of all the LED light sources is adjusted to be large or small, and the requirement of the user for adjusting the light-emitting range of the flexible lamp strip is met.

Description

Technical Field

[0001] This invention relates to the field of lighting fixtures, and more particularly to a flexible, bendable light strip. Background Technology

[0002] As is well known, LED flexible light strips are increasingly favored due to their energy-saving and long lifespan characteristics. To facilitate installation, existing LED flexible light strips generally employ a flexible and bendable structure. Specifically, they use a flexible circuit board as a carrier, with multiple electrically soldered LED chips on its surface. These LED chips are arranged at intervals along the length of the flexible circuit board. A protective sleeve is integrally extruded onto the outer periphery of the flexible circuit board, and the upper side of the protective sleeve corresponding to the LED chips is a light-transmitting layer.

[0003] Although the aforementioned flexible LED light strips can be repeatedly bent to suit installation on different curved surfaces, because these flexible LED light strips are long and the main body of the LED flexible light strips is a flexible substrate that can be bent, these flexible LED light strips cannot use the dimming structure of existing lamps to adjust the size of the light output range. As a result, the light output range of these flexible LED light strips remains unchanged and cannot well meet the user's needs for adjusting the size of the light output range of the light strip. Summary of the Invention

[0004] The present invention aims to at least partially improve one of the problems of the prior art. To this end, the present invention proposes a flexible, bendable light strip that allows users to easily adjust the light emission range of the flexible light strip to increase or decrease.

[0005] According to certain embodiments of the present invention, a flexible light strip includes a light strip body and a flexible plate. A flexible circuit board is disposed inside the light strip body, and multiple LED light sources are electrically connected to the upper surface of the flexible circuit board. All the LED light sources are arranged at intervals along the length direction of the light strip body. A light-transmitting element corresponding to the flexible circuit board is disposed on the upper part of the light strip body. Multiple mounting holes corresponding to the multiple LED light sources are opened on the side of the light-transmitting element facing the flexible circuit board. A set of lens assemblies is disposed inside each mounting hole. Each set of lens assemblies includes a lens, a compression spring, and a magnetic component. The lens is movably mounted in the mounting hole, the magnetic component is fixedly disposed in the lens, one end of the compression spring abuts against the lens, and the other end of the compression spring abuts against the flexible circuit board. A first mounting channel located below the flexible circuit board is disposed inside the light strip body, and the first mounting channel is arranged along the length direction of the light strip body. The flexible plate is movably mounted in the first mounting channel, and multiple lenses corresponding to all the lenses are arranged at intervals on the upper surface of the flexible plate. The first permanent magnet, the flexible plate, is movable along the first mounting channel, such that each first permanent magnet and the corresponding lens are vertically aligned or offset. A limiting groove is formed at the end of the flexible plate, and a spring is provided on the sidewall of the limiting groove. The spring divides the limiting groove into a first locking position and a second locking position. A positioning protrusion is provided on the bottom wall of the first mounting channel, capable of engaging with the limiting groove for positioning. The positioning protrusion is movably inserted into the limiting groove. When the flexible plate moves along the first mounting channel and the positioning protrusion engages with the first locking position, each first permanent magnet and the corresponding lens are vertically aligned. The first permanent magnet attracts the magnetic component of the corresponding lens, causing the lens to compress the compression spring and move downwards towards the LED light source. When the flexible plate moves along the first mounting channel and the positioning protrusion engages with the second locking position, each first permanent magnet and the corresponding lens are vertically offset. The compression spring of each lens assembly pushes the corresponding lens upwards away from the LED light source.

[0006] According to certain embodiments of the present invention, a flexible light strip has the following advantages: Multiple mounting holes, each corresponding to a plurality of LED light sources on a flexible circuit board, are provided in the light-transmitting component. Each mounting hole contains a lens and a compression spring. The lens is equipped with a magnetic component. The light strip body has a first mounting channel located below the flexible circuit board. A flexible plate is provided inside the first mounting channel. Multiple first permanent magnets, each corresponding to a lens, are spaced apart on the upper surface of the flexible plate. Limiting grooves are provided at the ends of the flexible plate. Positioning protrusions, capable of engaging and positioning with the limiting grooves, are provided on the bottom wall of the first mounting channel. When the user drives the flexible plate to move along the first mounting channel and the positioning protrusion engages with the first locking position of the limiting groove, each first permanent magnet coincides with the corresponding lens. The first permanent magnet attracts the magnetic component of the corresponding lens, causing the lens to compress the spring and move downwards towards the LED light source. The distance between the LED light source and the lens decreases. When the user drives the flexible plate to move along the first mounting channel and the positioning protrusion engages with the second locking position, each first permanent magnet and the corresponding lens are offset vertically. At this time, the first permanent magnet no longer attracts the magnetic component of the corresponding lens. The compression spring of each lens assembly pushes the corresponding lens upwards away from the LED light source, increasing the distance between the LED light source and the lens. By adopting the above structure, the user can adjust the distance between all lenses and the corresponding LED light source, thereby adjusting the light output range of all LED light sources to be larger or smaller. This allows the flexible light strip to have two light output range levels. The user can switch to the larger light output range level or the smaller light output range level according to actual needs, which well meets the user's needs for adjusting the light output range of the flexible light strip.

[0007] In some embodiments of the present invention, each mounting hole has a first guide groove arranged in a vertical direction on its sidewall. The upper part of the first guide groove is provided with an upper stop block that can abut against the magnetic component. The lower part of the groove wall of the first guide groove is provided with a spring top ball. The magnetic component of each lens assembly is installed on the outer sidewall of the corresponding lens. When the lens is movably installed in the mounting hole, the magnetic component is slidably installed in the first guide groove, and the magnetic component is located between the upper stop block and the spring top ball.

[0008] In some embodiments of the present invention, each mounting hole sidewall has two first guide grooves, the two first guide grooves are arranged one-to-one on the two opposite sidewalls of the mounting hole, each lens assembly includes two magnetic elements, the two magnetic elements are arranged one-to-one on opposite sides of the outer sidewall of the lens, when the lens is movably mounted in the mounting hole, the two magnetic elements are slidably mounted one-to-one on the two first guide grooves.

[0009] In some embodiments of the present invention, the magnetic element is a metal sheet or a second permanent magnet capable of generating a magnetic attraction force with the first permanent magnet.

[0010] In some embodiments of the present invention, the upper part of the light-transmitting element is provided with a second channel extending along the length direction of the light strip body, the upper end of each mounting hole is connected to the second channel, the lens installed inside each mounting hole can move upward and the upper end of the lens extends into the second channel, or the lens installed inside each mounting hole can move downward and the upper end of the lens exits from the second channel.

[0011] In some embodiments of the present invention, the light-transmitting element includes a transparent upper cover and an opaque lower part, all of the mounting holes and the second channel are disposed on the lower part, the upper part of the second channel is open, and the upper cover is disposed on the upper end of the lower part and covers the upper part of the second channel.

[0012] In some embodiments of the present invention, two sidewalls opposite to the first mounting channel are provided with second guide grooves, and two second guide grooves are arranged to extend along the length of the light strip body. The flexible plate is movably installed in the first mounting channel, one side of the flexible plate is movably inserted into one of the second guide grooves, and the other side of the flexible plate is movably inserted into the other second guide groove.

[0013] In some embodiments of the present invention, the flexible circuit board is provided with two or more bends, all of which are evenly spaced along the length of the flexible circuit board, and the bends are formed by bending the flexible circuit board downwards; the interior of the light strip body is provided with an adhesive strip extending along the length of the light strip body, the upper surface of the adhesive strip is provided with a mounting groove, and the bottom wall of the mounting groove is provided with clearance grooves corresponding to all of the bends at intervals, the lower part of the clearance groove is connected to the first mounting channel; the flexible circuit board is embedded in the mounting groove, and each bend is embedded in the corresponding clearance groove.

[0014] In some embodiments of the present invention, notches are provided on opposite sides of the flexible circuit board at positions corresponding to the bending portion, and a through hole is provided in the middle of the bending portion.

[0015] In some embodiments of the present invention, a first plug and a second plug are further included; the light strip body has openings at both ends, the first plug is disposed at one end of the light strip body and blocks the opening at one end of the light strip body, the second plug is disposed at the other end of the light strip body and blocks the opening at the other end of the light strip body, a power supply wire is disposed at the end of the second plug away from the light strip body, and a power connection terminal is disposed at the end of the second plug facing the light strip body, which can be electrically connected to the flexible circuit board, and the power connection terminal is electrically connected to the power supply wire. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of a bendable flexible light strip according to certain embodiments of the present invention; Figure 2 yes Figure 1 The diagram shows a partial exploded view of a bendable flexible light strip. Figure 3 yes Figure 1 The diagram shows a flexible light strip with a bendable structure when the first and second plugs are removed. Figure 4 yes Figure 1 The image shows a cross-sectional view of a flexible light strip when all the first permanent magnets and the corresponding lenses are superimposed on each other; Figure 5 yes Figure 1 The image shows a cross-sectional view of a flexible LED strip when all the first permanent magnets and the corresponding lenses overlap. Figure 6 yes Figure 1 The image shows a cross-sectional view of a flexible light strip with all the first permanent magnets and corresponding lenses offset from each other. Figure 7 yes Figure 1 The image shows a cross-sectional view of a flexible LED strip with all the first permanent magnets and corresponding lenses offset from each other. Figure 8 yes Figure 1 The diagram shows a part of a flexible circuit board for a bendable flexible light strip; Figure 9 yes Figure 1 The diagram shows a part of a flexible, bendable LED strip sleeve. Figure 10 yes Figure 1 The diagram shows a part of a flexible sheet for a bendable flexible light strip; Figure 11 yes Figure 1 The diagram shows an exploded view of the assembly structure of the light-transmitting element and lens assembly of a bendable flexible light strip. Figure 12 yes Figure 10 Enlarged view of point A in the middle; Figure 13 yes Figure 4 Enlarged view of point B in the middle; Figure 14 yes Figure 6 Enlarged view of point C in the middle; Figure 15 This is a cross-sectional view of a flexible light strip according to another embodiment of the present invention. Detailed Implementation

[0017] The embodiments of this implementation are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this implementation, and should not be construed as limiting this implementation.

[0018] The accompanying drawings used in this embodiment are schematic and principle-based, and are only for the purpose of facilitating and simplifying the description of this embodiment. Therefore, they should not be construed as limiting this embodiment.

[0019] In the description of this embodiment, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. The use of "first" and "second" in the description is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0020] In the description of this embodiment, unless otherwise explicitly limited, terms such as setting, installing, and connecting should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this embodiment in conjunction with the specific content of the technical solution.

[0021] Figures 1 to 14 This is a schematic diagram of one embodiment of a bendable flexible light strip according to the present invention. For ease of explanation, the bendable flexible light strip according to this embodiment will sometimes be referred to simply as "light strip" below.

[0022] Reference Figures 1 to 14A flexible LED strip according to certain embodiments of the present invention includes a strip body 100 and a flexible plate 300. In this embodiment, both the strip body 100 and the flexible plate 300 are elongated. A flexible circuit board 110 is disposed inside the strip body 100, extending along the length of the strip body 100. Multiple LED light sources 111 are electrically connected to the upper surface of the flexible circuit board 110. All LED light sources 111 are arranged at intervals along the length of the strip body 100. A light-transmitting element 120 corresponding to the flexible circuit board 110 is disposed on the upper part of the strip body 100. Specifically, the light-transmitting element 120 is a transparent flexible element with the same length as the strip body 100. This transparent flexible element is made of transparent silicone or a bendable and transparent PVC material. Multiple mounting holes 121 corresponding to the multiple LED light sources 111 are opened on the side of the light-transmitting element 120 facing the flexible circuit board 110, i.e., one mounting hole 121 corresponds to one LED light source 111. Each mounting hole 121 houses a set of lens assemblies. Each lens assembly includes a lens 200, a compression spring 210, and a magnetic element 220. The lens 200 can be configured as a convex or concave lens, depending on actual needs. The lens 200 is movably mounted in the mounting hole 121, the magnetic element 220 is fixedly mounted on the lens 200, one end of the compression spring 210 abuts against the lens 200, and the other end of the compression spring 210 abuts against the flexible circuit board 110. In this embodiment, when the flexible circuit board 110 is energized, causing all LED light sources 111 to emit light, the light emitted by each LED light source 111 illuminates the corresponding lens 200. The main body 100 of the light strip has a first mounting channel 130 located below the flexible circuit board 110. The first mounting channel 130 is arranged along the length of the main body 100 of the light strip. The flexible plate 300 is movably mounted on the first mounting channel 130. The upper surface of the flexible plate 300 is provided with a plurality of first permanent magnets 310 that correspond one-to-one with all the lenses 200. That is, the number of first permanent magnets 310 provided on the upper surface of the flexible plate 300 is the same as the number of lenses 200 installed inside the light-transmitting component 120, and each first permanent magnet 310 corresponds to one lens 200. The flexible plate 300 can move along the first mounting channel 130 such that each first permanent magnet 310 and the corresponding lens 200 are either aligned or offset in the vertical direction. The alignment of each first permanent magnet 310 and the corresponding lens 200 in the vertical direction means that the first permanent magnet 310 is partially or entirely located below the corresponding lens 200. The offset of each first permanent magnet 310 and the corresponding lens 200 in the vertical direction means that the first permanent magnet 310 is not located below the corresponding lens 200.The flexible plate 300 has a limiting groove 320 at its end. A spring piece 321 is provided on the side wall of the limiting groove 320, dividing the limiting groove 320 into a first locking position 322 and a second locking position 323. A positioning protrusion 131 is provided on the bottom wall of the first mounting channel 130, capable of engaging and positioning with the limiting groove 320. The positioning protrusion 131 is movably inserted into the limiting groove 320. When the flexible plate 300 moves along the first mounting channel 130 and the positioning protrusion 131 engages with the first locking position 322, each first permanent magnet 310 interacts with its corresponding… The lenses 200 overlap each other in the vertical direction. The first permanent magnet 310 attracts the magnetic component 220 of the corresponding lens 200, causing the lens 200 to compress the spring 210 and move downward toward the LED light source 111. When the flexible plate 300 moves along the first mounting channel 130 and the positioning protrusion 131 is engaged with the second locking position 323, each first permanent magnet 310 and the corresponding lens 200 are staggered in the vertical direction. The compression spring 210 of each lens assembly pushes the corresponding lens 200 upward and away from the LED light source 111.

[0023] By adopting the above structure, before the user bends the flexible light strip, the internal components of the flexible light strip are not compressed by bending. Therefore, all lenses 200 and flexible plates 300 inside the light strip body 100 are in a state where they can move normally, and all compression springs 210 are in a state where they can extend or be compressed. When the user needs to adjust the light output range of the flexible light strip, such as... Figure 4 , Figure 5 and Figure 13As shown, the user can drive the flexible plate 300 to move along the first mounting channel 130 and cause the positioning protrusion 131 to engage with the first locking position 322 of the limiting groove 320, thereby causing each first permanent magnet 310 to overlap with the corresponding lens 200 in the vertical direction. The first permanent magnet 310 attracts the magnetic component 220 of the corresponding lens 200, causing the lens 200 to compress the spring 210 and move downwards closer to the LED light source 111, reducing the distance between the LED light source 111 and the lens 200. Alternatively, when the user drives the flexible plate 300 to move along the first mounting channel 130 and causes the positioning protrusion 131 to engage with the second locking position 323, each first permanent magnet 310 and the corresponding lens 200 are offset from each other in the vertical direction. When the first permanent magnet 310 no longer attracts the magnetic component 220 of the corresponding lens 200, that is, there is no longer a magnetic attraction between the first permanent magnet 310 and the magnetic component 220 of the corresponding lens 200, the compression spring 210 of each lens assembly pushes the corresponding lens 200 upward along the mounting hole 121 away from the LED light source 111, and moves the lens 200 back to its original position. Therefore, the distance between the LED light source 111 and the lens 200 increases. By adopting the above structure, the user can adjust the distance between all lenses 200 and the corresponding LED light source 111, that is, adjust the focal length between all lenses 200 and the corresponding LED light source 111, thereby adjusting the light emission range of all LED light sources 111 to increase or decrease. Since the focal length or distance between the LED light source 111 and the lens 200 changes, resulting in an increase or decrease in the light emission range of the LED light source 111, this is a prior art in the art and will not be described in detail here. When the user subsequently bends the flexible light strip and causes a slight deformation inside the light strip body 100, the light strip body 100 squeezes and clamps all the lenses 200. The distance between all the lenses 200 and the corresponding lenses 200 remains basically unchanged or changes very little. Therefore, the light output range of the flexible light strip remains basically unchanged. By adopting the above structure, the flexible light strip of this embodiment has two light output ranges. The user can switch to the larger light output range or the smaller light output range according to actual needs, so that the flexible light strip of this embodiment can well meet the user's needs for adjusting the light output range of the flexible light strip.

[0024] It should be noted that in the above embodiments, when the user drives the flexible plate 300 to move along the first mounting channel 130, the positioning protrusion 131 moves from the first locking position 322 to the second locking position 323, or from the second locking position 323 to the first locking position 322. During this process, the positioning protrusion 131 presses the spring piece 321 to bend upward and flip up. The spring piece 321 avoids the positioning protrusion 131. Therefore, the positioning protrusion 131 can switch between the first locking position 322 and the second locking position 323. When the positioning protrusion 131 moves to the second locking position 323 or the first locking position 322, the spring piece 321 is no longer pressed and returns to its original shape downward. The spring piece 321 and the positioning protrusion 131 engage with each other for positioning, thereby preventing the flexible plate 300 from shifting relative to the light strip body 100 along the first mounting channel 130, so that the relative position of each first permanent magnet 310 and the corresponding lens 200 does not change.

[0025] Reference Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 11In some embodiments of the present invention, each mounting hole 121 has a first guide groove 122 arranged in the vertical direction on its sidewall. The upper part of the first guide groove 122 is provided with an upper stop block 123 capable of abutting against the magnetic component 220. A spring ball is provided at the lower part of the groove wall of the first guide groove 122. Specifically, an embedding groove is provided at the lower part of the groove wall of the first guide groove 122, recessed from the groove wall of the first guide groove 122 into the interior of the light-transmitting component 120. The spring ball includes a second compression spring and a ball bearing. The ball is embedded in the mounting groove. One end of the second compression spring abuts against the inner bottom wall of the mounting groove, and the other end of the second compression spring abuts against the ball. The second compression spring can push the ball to move along the mounting groove and make the ball part protrude from the groove wall of the first guide groove 122. The magnetic element 220 of each lens assembly is installed on the outer side wall of the corresponding lens 200. When the lens 200 is movably installed in the mounting hole 121, the magnetic element 220 is slidably installed in the first guide groove 122, and the magnetic element 220 is located between the upper stop block 123 and the spring top ball. By adopting the above structure, when the worker inserts the lens 200 into the mounting hole 121 from the bottom upward direction, the magnetic component 220 of the lens 200 is embedded in the lower part of the first guide groove 122 and contacts the ball of the spring top ball. The worker continues to apply force to the lens 200, causing the magnetic component 220 to push the ball to compress the second compression spring. At this time, the ball retracts back into the mounting groove, so the magnetic component 220 continues to move upward along the first guide groove 122. When the magnetic component 220 no longer compresses the ball, the second compression spring pushes the ball to move along the mounting groove and causes the ball part to protrude from the groove wall of the first guide groove 122. At this time, the magnetic component 220 is located between the upper stop block 123 and the spring top ball, thereby completing the installation of the lens. By adopting the above structure, when the user drives the flexible plate 300 along the first mounting channel 130 and makes each first permanent magnet 310 coincide with the corresponding lens 200 in the vertical direction, the first permanent magnet 310 attracts the magnetic component 220 of the corresponding lens 200, causing the lens 200 to squeeze the compression spring 210 and move downward toward the LED light source 111. The magnetic component 220 then moves downward along the first guide groove 122 and abuts against the ball bearing, with the ball bearing providing downward positioning for the magnetic component 220. When the guide 130 moves and the positioning protrusion 131 engages with the second locking position 323, each first permanent magnet 310 and the corresponding lens 200 are offset from each other in the vertical direction. At this time, the first permanent magnet 310 no longer attracts the magnetic component 220 of the corresponding lens 200. The compression spring 210 of each lens assembly pushes the corresponding lens 200 to move upward along the mounting hole 121 away from the LED light source 111. The magnetic component 220 moves upward along the first guide groove 122 and abuts against the upper stop block 123. The upper stop block 123 achieves upper positioning of the magnetic component 220.By adopting the above structure, the upper stop block 123 and the ball bearing can accurately position the lens 200. Therefore, the lens 200 of the flexible light strip in this embodiment has an upper light-emitting position and a lower light-emitting position. By switching the drive lens 200 to move to the upper light-emitting position or the lower light-emitting position, the flexible light strip can be switched to a larger light-emitting range or a smaller light-emitting range, meeting the user's needs for adjusting the light-emitting range of the flexible light strip. Moreover, the magnetic component 220 and the first guide groove 122 can cooperate to guide the lens 200 to move up and down along the mounting hole 121, making the up and down movement of the lens 200 relative to the mounting hole 121 smoother.

[0026] In some embodiments of the present invention, each mounting hole 121 has two first guide grooves 122 on its sidewall. The two first guide grooves 122 are arranged one-to-one on opposite sidewalls of the mounting hole 121. Each lens assembly includes two magnetic elements 220, which are disposed one-to-one on opposite sides of the outer sidewall of the lens 200. Specifically, the magnetic elements 220 are bonded to the outer sidewall of the lens 200, or partially embedded in the outer sidewall of the lens 200. When the lens 200 is movably mounted in the mounting hole 121, the two magnetic elements 220 are slidably mounted in the two first guide grooves 122. By cooperating with the two first guide grooves 122, the two magnetic elements 220 guide the lens 200 to move up and down along the mounting hole 121, preventing the lens 200 from tilting and pressing against the inner wall of the mounting hole 121, thus making the movement of the lens 200 relative to the mounting hole 121 smoother.

[0027] In some embodiments of the present invention, the magnetic element 220 is a metal sheet capable of generating a magnetic attraction force with the first permanent magnet 310. Specifically, the magnetic element 220 is an iron sheet or a nickel sheet, or the magnetic element 220 is a second permanent magnet with the opposite polarity to the first permanent magnet 310. Therefore, when the magnetic element 220 and the first permanent magnet 310 are aligned with each other, a magnetic attraction force can be generated between the magnetic element 220 and the first permanent magnet 310. By adopting the above structure, the production cost of the lens assembly can be reduced.

[0028] Reference Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7In some embodiments of the present invention, the upper part of the light-transmitting member 120 is provided with a second channel 140 extending along the length direction of the light strip body 100. The upper end of each mounting hole 121 is connected to the second channel 140. The lens 200 installed inside each mounting hole 121 can move upward and extend the upper end of the lens 200 into the second channel 140, or the lens 200 installed inside each mounting hole 121 can move downward and withdraw the upper end of the lens 200 from the inside of the second channel 140. That is, the lens 200 installed inside each mounting hole 121 can move downward and retract into the mounting hole 121. By adopting the above structure, when the user drives the flexible plate 300 to move along the first mounting channel 130 and causes the positioning protrusion 131 to engage with the second locking position 323, each first permanent magnet 310 and the corresponding lens 200 are offset from each other in the vertical direction. At this time, the first permanent magnet 310 no longer attracts the magnetic component 220 of the corresponding lens 200. The compression spring 210 of each lens assembly pushes the corresponding lens 200 to move upward along the mounting hole 121 away from the LED light source 111. The lens 200 installed inside each mounting hole 121 can move upward and cause the upper end of the lens 200 to extend into the second channel 140. The light emitted by each LED light source 111 when it is powered on shines on the corresponding lens 200. Then the light shines from the upper end of the lens 200 onto the upper inner wall of the second channel 140. The range is wide; when the user drives the flexible plate 300 to move along the first mounting channel 130 and causes the positioning protrusion 131 to engage with the first locking position 322 of the limiting groove 320, each first permanent magnet 310 and the corresponding lens 200 overlap each other in the vertical direction. The first permanent magnet 310 attracts the magnetic component 220 of the corresponding lens 200 and causes the lens 200 to squeeze the compression spring 210 and move downwards closer to the LED light source 111. Each lens 200 retracts into the mounting hole 121. The light emitted by each LED light source 111 when it is powered on shines on the corresponding lens 200. Then, when the light shines from the upper end of the lens 200 onto the upper inner wall of the second channel 140, the upper end of the inner wall of the mounting hole 121 will limit the illumination range of the light, thereby reducing the range of light emitted by each lens 200 onto the upper inner wall of the second channel 140. By adopting the above structure, when the user drives the flexible plate 300 to move along the first mounting channel 130 to adjust the light emission range of the flexible light strip, the change in the light emission range of the flexible light strip is more obvious.

[0029] To make the visual effect of adjusting the light output range of the flexible light strip larger or smaller more obvious, refer to Figure 15In some embodiments of the present invention, the light-transmitting element 120 is a flexible element with the same length as the main body 100 of the light strip, and the cross-section of the light-transmitting element 120 along the vertical direction has an upper and lower layered structure, that is, the upper part of the light-transmitting element 120 is a light-transmitting layer, and the lower part of the light-transmitting element 120 is an opaque layer. Specifically, the light-transmitting element 120 includes an upper cover 1201 and a lower component 1202. In this embodiment, the lower component 1202 is made of opaque plastic injection molding, while the upper cover 1201 is made of transparent silicone. All mounting holes 121 and the second channel 140 are provided on the lower component 1202. The upper part of the second channel 140 is open, and the upper cover 1201 is provided on the upper end of the lower component 1202 and covers the upper opening of the second channel 140. By adopting the above structure, the upper cover 120 of the light-transmitting element 120 in this embodiment is light-transmitting, while the lower component 1202 located below the light-transmitting element 120 is opaque. All lenses 200 are installed one-to-one with all mounting holes 121. The lower component 1202 forms an opaque outer cover that surrounds all lenses 200 and all LED light sources 111. Therefore, the light emitted by each LED light source 111 when powered on cannot pass through the lower component 1202, and the light emitted by each LED light source 111 can only illuminate the corresponding lens 200. The light then passes through the upper end of the lens 200 and illuminates the upper cover 1201 at the upper opening of the second channel 140. Finally, the light passes through the upper cover 1201 and illuminates the external environment. Therefore, by driving the flexible plate 300 to move along the first mounting channel 130 and adjust the distance between each lens 200 and the corresponding LED light source 111, the range of light passing through each lens 200 and illuminating the upper cover 1201 can be adjusted to increase or decrease, thereby making the visual effect of adjusting the light output range of the flexible light strip to increase or decrease more obvious.

[0030] In some embodiments of the present invention, two opposite sidewalls of the first mounting channel 130 are provided with second guide grooves 132. The two second guide grooves 132 extend along the length of the light strip body 100. The flexible plate 300 is movably mounted in the first mounting channel 130. One side of the flexible plate 300 is movably inserted into one of the second guide grooves 132, and the other side of the flexible plate 300 is movably inserted into the other second guide groove 132. By adopting the above structure, the flexible plate 300 can move more smoothly along the first mounting channel 130. Moreover, by limiting the two sides of the flexible plate 300 one by one through the two second guide grooves 132, the flexible plate 300 can be tightly attached to the inner bottom wall of the first mounting channel 130. When the first permanent magnet 310 attracts the magnetic component 220 of the corresponding lens 200, the flexible plate 300 can be prevented from moving upward and approaching the flexible circuit board 110.

[0031] Reference Figure 4 , Figure 6 , Figure 8 and Figure 9 In some embodiments of the present invention, the flexible circuit board 110 is provided with two or more bending portions 112. All bending portions 112 are evenly spaced along the length direction of the flexible circuit board 110. The bending portions 112 are formed by bending the flexible circuit board 110 downward. Specifically, a stamping machine can be used to press the flexible circuit board 110 downward to form the bending portions 112. In this embodiment, the bending portions 112 are U-shaped. The interior of the light strip body 100 is provided with an adhesive strip 400 extending along the length direction of the light strip body 100. The upper surface of the adhesive strip 400 is provided with a mounting groove 410. The bottom wall of the mounting groove 410 is provided with clearance grooves 420 corresponding to all bending portions 112 at intervals. The lower part of the clearance groove 420 is connected to the first mounting channel 130. The flexible circuit board 110 is embedded in the mounting groove 410, and each bending portion 112 is embedded in the corresponding clearance groove 420. By adopting the above structure, the user can first manufacture the flexible circuit board 110, the light-transmitting element 120, the multiple lens assemblies, the flexible board 300, and the adhesive strip 400. During production, the multiple lens assemblies can be correspondingly installed in the multiple mounting holes 121 of the light-transmitting element 120, and the flexible circuit board 110 can be correspondingly installed in the mounting grooves 410 of the adhesive strip 400. Then, the light-transmitting element 120, the adhesive strip 400, and the flexible board 300 are stacked vertically. Finally, a silicone extruder is used to form two sidewalls 150 on both sides of the light-transmitting element 120, the adhesive strip 400, and the flexible board 300, and a bottom wall 160 is formed at the bottom of the flexible board 300. The light-transmitting element 120, the two sidewalls 150, and the bottom wall 160 together form the aforementioned light strip body 100. Figure 1 , Figure 2 and Figure 3 As shown in the diagram. By adopting the above structure, it is not only easier to manufacture and process flexible LED strips, but also makes the flexible LED strips bend more smoothly.

[0032] In some embodiments of the present invention, notches 113 are provided on opposite sides of the flexible circuit board 110 at positions corresponding to the bending portion 112. By punching notches 113 on opposite sides of the flexible circuit board 110 at positions corresponding to the bending portion 112, the two notches 113 make the width of the flexible circuit board 110 at the bending portion 112 smaller, so the flexible circuit board 110 can achieve better lateral bending and the flexible light strip bends more smoothly.

[0033] In some embodiments of the present invention, a through hole 114 is provided in the middle of the bending portion 112. By providing a through hole 114 in the middle of the bending portion 112, the dimension of the bending portion 112 in the width direction of the flexible circuit board 110 can be made smaller, so the flexible circuit board 110 can achieve lateral bending better at the bending portion 112.

[0034] Reference Figure 1 , Figure 2 and Figure 3 In some embodiments of the present invention, a flexible light strip also includes a first plug 510 and a second plug 520. The light strip body 100 has openings at both ends. The first plug 510 is detachably installed at one end of the light strip body 100 and seals the opening at that end. The second plug 520 is detachably installed at the other end of the light strip body 100 and seals the opening at the other end. A power supply wire 521 is provided at the end of the second plug 520 away from the light strip body 100, and a power connection terminal 522, capable of electrically connecting to the flexible circuit board 110, is provided at the end of the second plug 520 facing the light strip body 100. The power connection terminal 522 is electrically connected to the power supply wire 521. Since the electrical connection between the power connection terminal 522 of the second plug 520 and the flexible circuit board 110 is prior art, it will not be described in detail here. By adopting the above structure, the user can first remove the first plug 510 and the second plug 520, drive the flexible plate 300 to move along the first installation channel 130 and adjust the light output range of the flexible light strip, and then install the first plug 510 and the second plug 520 on the two ends of the light strip body 100 respectively and seal the openings at both ends of the light strip body 100. The operation is simple and convenient.

[0035] Although embodiments of this implementation have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this implementation, the scope of which is defined by the claims and their equivalents.

Claims

1. A flexible, bendable light strip, characterized in that, The device includes a light strip body (100) and a flexible board (300). A flexible circuit board (110) is disposed inside the light strip body (100). Multiple LED light sources (111) are electrically connected to the upper surface of the flexible circuit board (110). All the LED light sources (111) are arranged at intervals along the length of the light strip body (100). A light-transmitting element (120) corresponding to the flexible circuit board (110) is disposed on the upper part of the light strip body (100). The light-transmitting element (120) has multiple mounting holes (121) on the side facing the flexible circuit board (110), each corresponding to one of the multiple LED light sources (111). An internal lens assembly is provided, each lens assembly including a lens (200), a compression spring (210) and a magnetic component (220). The lens (200) is movably mounted in the mounting hole (121), and the magnetic component (220) is fixedly mounted on the lens (200). One end of the compression spring (210) abuts against the lens (200), and the other end of the compression spring (210) abuts against the flexible circuit board (110). The lamp strip body (100) is provided with a first mounting channel (130) located below the flexible circuit board (110), and the first mounting channel (130) is arranged along the length direction of the lamp strip body (100). The flexible plate (300) is movably installed in the first mounting channel (130). The upper surface of the flexible plate (300) is provided with a plurality of first permanent magnets (310) that correspond one-to-one with all the lenses (200). The flexible plate (300) can move along the first mounting channel (130) and make each first permanent magnet (310) overlap or stagger with the corresponding lens (200) in the vertical direction. The end of the flexible plate (300) is provided with a limiting groove (320). The side wall of the limiting groove (320) is provided with a spring piece (321). The spring piece (321) divides the limiting groove (320) into a first locking position (322) and a second locking position (323). The bottom wall of the first mounting channel (130) is provided with a positioning protrusion (131) that can cooperate with the limiting groove (320) for locking and positioning. The positioning protrusion (131) is movably inserted into the limiting groove (320). When the flexible plate (300) moves along the first mounting channel (130) and the positioning protrusion (131) engages with the first locking position (322), each of the first permanent magnets (310) and the corresponding lens (200) overlap each other in the vertical direction. The first permanent magnet (310) attracts the magnetic element (220) of the corresponding lens (200) and causes the lens (200) to squeeze the compression spring (210) and move downward toward the LED light source (111). When the flexible plate (300) moves along the first mounting channel (130) and the positioning protrusion (131) engages with the second locking position (323), each of the first permanent magnets (310) and the corresponding lens (200) are offset from each other in the vertical direction, and the compression spring (210) of each lens assembly pushes the corresponding lens (200) to move upward away from the LED light source (111).

2. The flexible light strip according to claim 1, characterized in that, Each of the mounting holes (121) has a first guide groove (122) arranged in the vertical direction on its sidewall. The upper part of the first guide groove (122) is provided with an upper stop block (123) that can abut against the magnetic component (220). The lower part of the groove wall of the first guide groove (122) is provided with a spring top bead. The magnetic element (220) of each lens assembly is mounted on the outer side wall of the corresponding lens (200); When the lens (200) is movably installed in the mounting hole (121), the magnetic component (220) is slidably installed in the first guide groove (122), and the magnetic component (220) is located between the upper stop block (123) and the spring top ball.

3. The flexible light strip according to claim 2, characterized in that, Each of the mounting holes (121) has two first guide grooves (122) on its sidewall, and the two first guide grooves (122) are arranged one-to-one on the two opposite sidewalls of the mounting holes (121). Each lens assembly includes two magnetic elements (220), which are disposed on opposite sides of the outer wall of the lens (200) in a one-to-one correspondence. When the lens (200) is movably installed in the mounting hole (121), the two magnetic components (220) are slidably installed in the two first guide grooves (122) in a one-to-one correspondence.

4. A flexible, bendable light strip according to claim 1, 2, or 3, characterized in that, The magnetic component (220) is a metal sheet or a second permanent magnet that can generate magnetic attraction with the first permanent magnet (310).

5. A flexible, bendable light strip according to claim 1, characterized in that, The upper part of the light-transmitting element (120) is provided with a second channel (140) extending along the length direction of the light strip body (100), and the upper end of each mounting hole (121) is connected to the second channel (140). The lens (200) installed inside each of the mounting holes (121) can be moved upward so that the upper end of the lens (200) extends into the second channel (140), or the lens (200) installed inside each of the mounting holes (121) can be moved downward so that the upper end of the lens (200) exits from inside the second channel (140).

6. A flexible, bendable light strip according to claim 1, characterized in that, The light-transmitting component (120) includes a transparent upper cover (1201) and an opaque lower component (1202). All of the mounting holes (121) and the second channel (140) are disposed on the lower component (1202). The upper part of the second channel (140) is open. The upper cover (1201) is disposed on the upper end of the lower component (1202) and covers the upper part of the openness of the second channel (140).

7. A flexible, bendable light strip according to claim 1, characterized in that, The first installation channel (130) has two opposite side walls each provided with a second guide groove (132), and the two second guide grooves (132) extend along the length of the light strip body (100). The flexible plate (300) is movably installed in the first installation channel (130), one side of the flexible plate (300) is movably inserted into one of the second guide grooves (132), and the other side of the flexible plate (300) is movably inserted into another second guide groove (132).

8. A flexible light strip according to claim 1, characterized in that, The flexible circuit board (110) is provided with two or more bending portions (112), all of the bending portions (112) are evenly spaced along the length direction of the flexible circuit board (110), and the bending portions (112) are formed by bending the flexible circuit board (110) downward. The interior of the light strip body (100) is provided with an adhesive strip (400) extending along the length of the light strip body (100). The upper surface of the adhesive strip (400) is provided with an installation groove (410). The bottom wall of the installation groove (410) is provided with clearance grooves (420) corresponding to all the bending portions (112). The lower part of the clearance groove (420) is connected to the first installation channel (130). The flexible circuit board (110) is embedded in the installation groove (410), and each bending portion (112) is embedded in the corresponding clearance groove (420).

9. A flexible, bendable light strip according to claim 8, characterized in that, The flexible circuit board (110) has notches (113) on both sides corresponding to the bending portion (112), and a through hole (114) is provided in the middle of the bending portion (112).

10. A flexible, bendable light strip according to claim 1, characterized in that, It also includes a first plug (510) and a second plug (520); The light strip body (100) has openings at both ends. The first plug (510) is disposed at one end of the light strip body (100) and blocks the opening at one end of the light strip body (100). The second plug (520) is disposed at the other end of the light strip body (100) and blocks the opening at the other end of the light strip body (100). A power supply wire (521) is disposed at the end of the second plug (520) away from the light strip body (100). A power connection terminal (522) that can be electrically connected to the flexible circuit board (110) is disposed at the end of the second plug (520) facing the light strip body (100). The power connection terminal (522) is electrically connected to the power supply wire (521).

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