Splicing type corrosion-resistant LED lamp strip

Abstract

The utility model provides a splicing type corrosion-resistant LED lamp strip, and relates to the technical field of LED lamp strips, the splicing type corrosion-resistant LED lamp strip comprises a first PCB and a second PCB, the top of the first PCB and the top of the second PCB are both fixedly provided with a plurality of LED lamp wicks, and one side of the first PCB is fixedly connected with a fixing block. According to the utility model, an insertion block on a second PCB is inserted into an insertion groove in a first PCB, then a first rotating shaft is rotated anticlockwise, and two bevel gears are in meshed connection, so that a bidirectional threaded rod is driven to rotate, the bidirectional threaded rod drives two moving plates to move relatively, and two limiting blocks are driven to be squeezed into two limiting grooves; and when the LED lamp strip is disassembled, a first rotating shaft is rotated clockwise, so that a bidirectional threaded rod drives two moving plates to be far away from each other, two limiting blocks are driven to be separated from two limiting grooves, and then the inserting blocks are pulled out of inserting grooves.

Description

Technical Field

[0001] The utility model relates to the technical field of LED light strips, and in particular to a spliced ​​corrosion-resistant LED light strip. Background Art

[0002] LED light strip refers to LEDs assembled on a strip-shaped flexible circuit board or PCB hard board. It is named because its product shape resembles a strip. It has the advantages of long service life, energy saving and environmental protection, and easy use. It is currently widely used in the market.

[0003] The existing LED light strip connection method is generally to connect two sets of leads by fixing them through a fixing piece, or to connect them by pressing a hard tube structure, which is time-consuming and labor-intensive and is not conducive to the splicing and extension of the light strip. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that the connection method of LED light strips in the prior art is generally to connect two sets of lead wires by fixing them through fixing parts, or to connect them by pressing and fitting a hard tube structure, which is time-consuming and labor-intensive and not conducive to the splicing and extension of the light strips, and to propose a spliced ​​corrosion-resistant LED light strip.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a spliced ​​corrosion-resistant LED light strip, comprising a first PCB board and a second PCB board, a plurality of LED lamp cores are fixedly installed on the top of the first PCB board and the second PCB board, a fixed block is fixedly connected to one side of the first PCB board, a slot is provided on one side of the fixed block, a fixed plate is fixedly connected to one side of the second PCB board, an insert block is fixedly connected to one side of the fixed plate, a limiting groove is provided on one side of the insert block, a placement groove is provided inside the fixed block, and a bidirectional threaded rod is rotatably connected in the placement groove The outer surface of the two-way threaded rod is sleeved with a movable plate, one side of the movable plate is fixedly connected to a limiting block, one side of the limiting block movably passes through the placement slot and extends into the limiting slot, a sliding groove is provided on the inner side of the placement slot, a slide plate is slidably connected in the slide groove, one side of the slide plate is fixedly connected to the movable plate, a first rotating shaft is rotatably connected in the placement slot, the top of the first rotating shaft movably passes through the placement slot and extends to the outside of the fixed block, the bottom end of the first rotating shaft and the outer surface of the two-way threaded rod are both provided with a bevel gear, the two bevel gears are meshed and connected, and a limiting mechanism is provided on the top of the fixed block.

[0006] Preferably, the limiting mechanism comprises a spur gear, and the spur gear is fixedly sleeved on the outer surface of the first rotating shaft.

[0007] Preferably, the top of the fixed block is rotatably connected to a second rotating shaft, an L-shaped rod is fixedly sleeved on the outer surface of the second rotating shaft, and one end of the L-shaped rod away from the second rotating shaft is engaged in the tooth mark on the spur gear.

[0008] Preferably, the top of the fixed block is fixedly connected to a supporting block, one side of the supporting block is fixedly connected to a return spring, and one end of the return spring away from the supporting block is fixedly connected to the L-shaped rod.

[0009] Preferably, the structures of the first PCB board and the second PCB board are exactly the same, and the first PCB board includes a corrosion-resistant layer, a high-strength layer, a high-temperature resistant layer, and a substrate layer, the corrosion-resistant layer is located on the top of the high-strength layer, the high-strength layer is located on the top of the high-temperature resistant layer, and the high-temperature resistant layer is located on the top of the substrate layer.

[0010] Preferably, the corrosion-resistant layer is made of polystyrene plastic, the high-strength layer is made of nylon engineering plastic, the high-temperature resistant layer is made of high-temperature resistant PPS plastic, and the substrate layer is made of polyurethane plastic.

[0011] Preferably, a rotating cap is fixedly mounted on the top end of the bidirectional threaded rod, and the outer surface of the rotating cap is designed to be anti-slip.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. In the utility model, the plug-in block on the second PCB board is inserted into the slot on the first PCB board, and then the first rotating shaft is rotated counterclockwise. Due to the meshing connection of the two bevel gears, the two-way threaded rod is driven to rotate. Since the slide plate limits the movable plate, the two-way threaded rod drives the two movable plates to move relative to each other. The two movable plates drive the two slide plates to slide relative to each other synchronously in the two slide grooves, thereby driving the two limit blocks to squeeze into the two limit grooves, so as to limit and fix the plug-in block, and then it is convenient to splice the two LED light strips. When disassembling them, the first rotating shaft is rotated clockwise, so that the two-way threaded rod drives the two movable plates to move away from each other, thereby driving the two limit blocks and the two limit grooves to separate, and then the plug-in block can be pulled out from the slot, which is convenient for operation.

[0014] 2. In the utility model, a limiting mechanism is provided to pull the L-shaped rod so that the L-shaped rod approaches the supporting block, and the end of the L-shaped rod away from the second rotating shaft is separated from the spur gear, and at the same time, the reset spring begins to shrink due to the squeezing of the L-shaped rod, so as to facilitate the release of the limiting of the first rotating shaft and the rotation of the first rotating shaft for installation and disassembly operations. When the installation and disassembly operations are completed, the L-shaped rod is loosened, and under the elastic force of the reset spring, the end of the L-shaped rod away from the second rotating shaft is driven to engage in the tooth mark on the spur gear, so as to facilitate the limiting and fixing of the first rotating shaft, thereby improving the stability of the two LED light strips after splicing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A three-dimensional diagram of the main structure of a spliced ​​corrosion-resistant LED light strip is proposed for the utility model;

[0016] Figure 2 The utility model provides a structural stereogram of the second PCB board in a spliced ​​corrosion-resistant LED light strip;

[0017] Figure 3 The utility model provides a structural stereogram of a fixing block in a spliced ​​corrosion-resistant LED light strip;

[0018] Figure 4 The utility model provides a three-dimensional cross-sectional structure diagram of a fixing block in a spliced ​​corrosion-resistant LED light strip;

[0019] Figure 5 The utility model proposes a cross-sectional structural stereogram of the first PCB board in a spliced ​​corrosion-resistant LED light strip.

[0020] Legend: 1. First PCB board; 101. Corrosion-resistant layer; 102. High-strength layer; 103. High-temperature-resistant layer; 104. Base material layer; 2. Second PCB board; 3. LED wick; 4. Fixing block; 5. Slot; 6. Fixing plate; 7. Insertion block; 8. Limiting groove; 9. Placement groove; 10. Bidirectional threaded rod; 11. Moving plate; 12. Limiting block; 13. Slide groove; 14. Slide plate; 15. First rotating shaft; 16. Bevel gear; 17. Limiting mechanism; 171. Spur gear; 172. Second rotating shaft; 173. L-shaped rod; 174. Support block; 175. Reset spring; 18. Rotating cap. DETAILED DESCRIPTION

[0021] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0022] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0023] Example 1: Figure 1 - Figure 5 As shown, the utility model provides a spliced ​​corrosion-resistant LED light strip, comprising a first PCB board 1 and a second PCB board 2, a plurality of LED lamp cores 3 are fixedly installed on the top of the first PCB board 1 and the second PCB board 2, a fixing block 4 is fixedly connected to one side of the first PCB board 1, a slot 5 is provided on one side of the fixing block 4, a fixing plate 6 is fixedly connected to one side of the second PCB board 2, an inserting block 7 is fixedly connected to one side of the fixing plate 6, a limiting groove 8 is provided on one side of the inserting block 7, a placement groove 9 is provided inside the fixing block 4, a bidirectional threaded rod 10 is rotatably connected in the placement groove 9, and the outer surface of the bidirectional threaded rod 10 is sleeved with There is a movable plate 11, one side of the movable plate 11 is fixedly connected to a limiting block 12, one side of the limiting block 12 movably passes through the placement groove 9 and extends into the limiting groove 8, a slide groove 13 is provided on the inner side of the placement groove 9, a slide plate 14 is slidably connected in the slide groove 13, one side of the slide plate 14 is fixedly connected to the movable plate 11, a first rotating shaft 15 is rotatably connected in the placement groove 9, the top end of the first rotating shaft 15 movably passes through the placement groove 9 and extends to the outside of the fixed block 4, the bottom end of the first rotating shaft 15 and the outer surface of the bidirectional threaded rod 10 are both provided with a bevel gear 16, the two bevel gears 16 are meshingly connected, and a limiting mechanism 17 is provided on the top of the fixed block 4.

[0024] The effect achieved by the entire embodiment 1 is that, by inserting the plug block 7 on the second PCB board 2 into the slot 5 on the first PCB board 1, and then rotating the first rotating shaft 15 counterclockwise, the two bevel gears 16 are meshed and connected, so that the bidirectional threaded rod 10 is driven to rotate, and the slide plate 14 limits the movable plate 11, so that the bidirectional threaded rod 10 drives the two movable plates 11 to move relatively, and the two movable plates 11 drive the two slide plates 14 to slide synchronously in the two slide grooves 13, thereby driving the two limit blocks 12 to squeeze into the two limit grooves 8, so as to limit and fix the plug block 7, and then it is convenient to splice the two LED light strips. When disassembling it, by rotating the first rotating shaft 15 clockwise, the bidirectional threaded rod 10 drives the two movable plates 11 away from each other, thereby driving the two limit blocks 12 and the two limit grooves 8 to separate, and then the plug block 7 can be pulled out from the slot 5, which is convenient for operation.

[0025] Example 2: Figure 1 - Figure 5As shown, the limiting mechanism 17 includes a spur gear 171, which is fixedly sleeved on the outer surface of the first rotating shaft 15, and the top of the fixed block 4 is rotatably connected with the second rotating shaft 172, and the outer surface of the second rotating shaft 172 is fixedly sleeved with an L-shaped rod 173, and one end of the L-shaped rod 173 away from the second rotating shaft 172 is engaged in the tooth mark on the spur gear 171, and the top of the fixed block 4 is fixedly connected with a support block 174, and one side of the support block 174 is fixedly connected with a return spring 175, and one end of the return spring 175 away from the support block 174 is fixedly connected to the L-shaped rod 173. The structures of the first PCB board 1 and the second PCB board 2 are exactly the same, and the first PCB board 1 is fixedly connected to the second PCB board 2. The CB board 1 includes a corrosion-resistant layer 101, a high-strength layer 102, a high-temperature resistant layer 103, and a substrate layer 104. The corrosion-resistant layer 101 is located on the top of the high-strength layer 102, the high-strength layer 102 is located on the top of the high-temperature resistant layer 103, and the high-temperature resistant layer 103 is located on the top of the substrate layer 104. The corrosion-resistant layer 101 is made of polystyrene plastic, the high-strength layer 102 is made of nylon engineering plastic, the high-temperature resistant layer 103 is made of high-temperature resistant PPS plastic, and the substrate layer 104 is made of polyurethane plastic. A rotating cap 18 is fixedly installed on the top of the bidirectional threaded rod 10, and the outer surface of the rotating cap 18 is designed to be anti-slip.

[0026] The effect achieved by the entire embodiment 2 is that, by setting the limiting mechanism 17, the L-shaped rod 173 is pulled to make the L-shaped rod 173 close to the supporting block 174, and the end of the L-shaped rod 173 away from the second rotating shaft 172 is separated from the spur gear 171, and at the same time, the return spring 175 is squeezed by the L-shaped rod 173 and begins to shrink, which is convenient for releasing the limiting of the first rotating shaft 15, and convenient for rotating the first rotating shaft 15 for installation and removal operations. When the installation and removal operations are completed, the L-shaped rod 173 is loosened, and under the elastic force of the return spring 175, the end of the L-shaped rod 173 away from the second rotating shaft 172 is driven to engage in the tooth mark on the spur gear 171, which is convenient for limiting and fixing the first rotating shaft 15, thereby improving the assembly of the two LED light strips. In order to improve the stability after connection, the first PCB board 1 includes a corrosion-resistant layer 101, a high-strength layer 102, a high-temperature resistant layer 103, and a substrate layer 104. The corrosion-resistant layer 101 can prevent the first PCB board 1 from being corroded by external substances, thereby improving the service life of the LED light strip. The high-strength layer 102 can improve the strength of the first PCB board 1 to prevent the first PCB board 1 from being broken by external forces, thereby improving the service life of the LED light strip. The high-temperature resistant layer 103 can improve the high-temperature resistance of the first PCB board 1 to prevent the first PCB board 1 from being deformed by high temperature, thereby improving the service life of the LED light strip. The rotating cap 18 is provided to facilitate the rotation of the first rotating shaft 15.

[0027] Working principle: when in use, first pull the L-shaped rod 173 to make the L-shaped rod 173 approach the supporting block 174, and the end of the L-shaped rod 173 away from the second rotating shaft 172 is separated from the spur gear 171, and at the same time, the return spring 175 is squeezed by the L-shaped rod 173 and begins to shrink, thereby releasing the limit on the first rotating shaft 15, and then the plug block 7 on the second PCB board 2 is inserted into the slot 5 on the first PCB board 1, and then the first rotating shaft 15 is rotated counterclockwise. Due to the meshing connection of the two bevel gears 16, the bidirectional threaded rod 10 is driven to rotate. Since the slide plate 14 limits the moving plate 11, the bidirectional threaded rod 10 drives the two moving plates 11 to move relatively, and the two moving plates 11 drive the two slide plates 14 to slide synchronously in the two slide grooves 13. Relative, so as to drive the two limit blocks 12 to squeeze into the two limit grooves 8, so as to limit and fix the plug block 7, and then release the L-shaped rod 173. Under the elasticity of the return spring 175 Under the action of force, one end of the L-shaped rod 173 away from the second rotating shaft 172 is engaged in the tooth mark on the spur gear 171, and the first rotating shaft 15 is limited and fixed, thereby completing the work of splicing the two LED light strips and improving the stability of the two LED light strips after splicing. When disassembling them, the limit of the first rotating shaft 15 is first released by pulling the L-shaped rod 173, and then the first rotating shaft 15 is rotated clockwise to make the two-way threaded rod 10 drive the two moving plates 11 away from each other, thereby driving the two limiting blocks 12 and the two limiting grooves 8 to separate, and then the plug block 7 can be pulled out of the slot 5, which is convenient for operation. At the same time, the corrosion-resistant layer 101 can be used to prevent the first PCB board 1 from being corroded by external substances, the high-strength layer 102 can be used to improve the strength of the first PCB board 1, and the high-temperature resistant layer 103 can be used to improve the high-temperature resistance of the first PCB board 1, thereby improving the service life of the LED light strip.

[0028] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A spliced ​​corrosion-resistant LED light strip, comprising a first PCB board (1) and a second PCB board (2), characterized in that: A plurality of LED lamp cores (3) are fixedly mounted on the top of the first PCB board (1) and the second PCB board (2); a fixing block (4) is fixedly connected to one side of the first PCB board (1); a slot (5) is provided on one side of the fixing block (4); a fixing plate (6) is fixedly connected to one side of the second PCB board (2); an inserting block (7) is fixedly connected to one side of the fixing plate (6); a limiting groove (8) is provided on one side of the inserting block (7); a placement groove (9) is provided inside the fixing block (4); a bidirectional threaded rod (10) is rotatably connected inside the placement groove (9); a moving plate (11) is sleeved on the outer surface of the bidirectional threaded rod (10); a limiting groove (8) is fixedly connected to one side of the moving plate (11); A block (12) is provided, one side of the limit block (12) movably passes through the placement groove (9) and extends into the limit groove (8), a slide groove (13) is provided on the inner side of the placement groove (9), a slide plate (14) is slidably connected in the slide groove (13), one side of the slide plate (14) is fixedly connected to the movable plate (11), a first rotating shaft (15) is rotatably connected in the placement groove (9), the top end of the first rotating shaft (15) movably passes through the placement groove (9) and extends to the outside of the fixed block (4), the bottom end of the first rotating shaft (15) and the outer surface of the bidirectional threaded rod (10) are both provided with a bevel gear (16), the two bevel gears (16) are meshingly connected, and a limit mechanism (17) is provided on the top of the fixed block (4).

2. The spliced ​​corrosion-resistant LED light strip according to claim 1, characterized in that: The limiting mechanism (17) comprises a spur gear (171), and the spur gear (171) is fixedly sleeved on the outer surface of the first rotating shaft (15).

3. The spliced ​​corrosion-resistant LED light strip according to claim 2, characterized in that: The top of the fixed block (4) is rotatably connected to a second rotating shaft (172); an L-shaped rod (173) is fixedly sleeved on the outer surface of the second rotating shaft (172); one end of the L-shaped rod (173) away from the second rotating shaft (172) is engaged in a tooth mark on the spur gear (171).

4. The spliced ​​corrosion-resistant LED light strip according to claim 3, characterized in that: The top of the fixed block (4) is fixedly connected to a support block (174), one side of the support block (174) is fixedly connected to a return spring (175), and one end of the return spring (175) away from the support block (174) is fixedly connected to the L-shaped rod (173).

5. The spliced ​​corrosion-resistant LED light strip according to claim 1, characterized in that: The first PCB board (1) and the second PCB board (2) have completely the same structure; the first PCB board (1) comprises a corrosion-resistant layer (101), a high-strength layer (102), a high-temperature-resistant layer (103), and a substrate layer (104); the corrosion-resistant layer (101) is located on top of the high-strength layer (102), the high-strength layer (102) is located on top of the high-temperature-resistant layer (103), and the high-temperature-resistant layer (103) is located on top of the substrate layer (104).

6. The spliced ​​corrosion-resistant LED light strip according to claim 5, characterized in that: The corrosion-resistant layer (101) is made of polystyrene plastic, the high-strength layer (102) is made of nylon engineering plastic, the high-temperature resistant layer (103) is made of high-temperature resistant PPS plastic, and the base material layer (104) is made of polyurethane plastic.

7. The spliced ​​corrosion-resistant LED light strip according to claim 1, characterized in that: A rotating cap (18) is fixedly mounted on the top end of the bidirectional threaded rod (10), and the outer surface of the rotating cap (18) is designed to be anti-slip.

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