LED decorative lamp string convenient to manufacture

Abstract

The utility model discloses an LED decorative lamp string convenient to manufacture, which comprises a plurality of lamp bodies, LED lamp beads arranged in the lamp bodies and a sleeve wire connected with the LED lamp beads of the lamp bodies, each lamp body comprises a bottom shell and a surface shell which are mutually buckled, the sleeve wire comprises an outer skin and a wire wrapped in the outer skin, one side of the outer skin is provided with an opening, the wire in the opening is cut off, and the wire is connected with the bottom shell and the surface shell. The LED lamp bead is installed in the opening, a positive electrode lamp base and a negative electrode lamp base of the LED lamp bead are welded to the two ends of the fracture of the wire respectively, and a transparent colloid for sealing the opening and the LED lamp bead is arranged on the opening of the outer skin. The waterproof LED lamp has the advantages of being good in waterproof performance, simple in structure, easy to assemble, high in production efficiency, low in production cost, good in durability and the like.

Description

Technical Field

[0001] This utility model relates to an LED lighting fixture, specifically disclosing an easy-to-manufacture LED decorative light string. Background Technology

[0002] Decorative light strings consist of multiple light bodies and power cords connecting them. Each light body includes a housing, a circuit board mounted inside the housing, and LED beads mounted on the circuit board. The power cord passes through the housing and connects to the circuit board. When used outdoors, decorative light strings require a durable and reliable waterproof structure. One existing waterproof structure for decorative light strings involves soldering the LED beads and power cord onto the circuit board first, then injection molding a one-piece housing around the circuit board. This structure suffers from low production efficiency and high manufacturing costs due to the need to pre-embed components during the injection molding process. Another existing waterproof structure uses pre-manufactured, separate housings, then installs the circuit board inside the housing, and finally injects waterproof adhesive into the housing. This structure suffers from low production efficiency, high material consumption, and poor waterproof durability. Utility Model Content

[0003] Therefore, it is necessary to provide a decorative light string that is waterproof, simple in structure, highly efficient in production, and has good waterproof durability, addressing the existing technical problems.

[0004] To address the problems of existing technologies, this utility model discloses an easy-to-manufacture LED decorative light string, comprising multiple light bodies, LED beads installed in the light bodies, and a sleeve connecting the LED beads of the multiple light bodies. The light body includes a bottom shell and a top shell that interlock with each other. The sleeve includes an outer sheath and a wire wrapped inside the outer sheath. An opening is provided on one side of the outer sheath, and the wire inside the opening is cut off. The LED beads are installed in the opening, and their positive and negative terminals are respectively welded to the two ends of the cut wire. A transparent adhesive is provided on the opening of the outer sheath to seal the opening and the LED beads.

[0005] The beneficial effects of this utility model are as follows: Since the LED beads are installed by opening an opening in the outer sheath of the sleeve, and then a transparent colloid is coated on the opening to seal the opening and the LED beads, the LED beads are small in size, and the installation and sealing process is easy to automate, resulting in high production efficiency and good waterproof effect; in addition, no glue is needed inside the lamp housing, and no complex waterproof structure is required, so the structure is simple and the manufacturing cost is low; furthermore, since the lamp body assembly adopts snap-fit ​​connection without screw fixation, the production efficiency is high and the manufacturing cost is low.

[0006] As a further improvement of this utility model: Each side edge of the bottom shell is provided with a wire outlet groove, and a support platform is provided in the center of the bottom shell. The sleeve passes through the wire outlet groove, and the LED lamp bead is supported on the support platform. A support rib is provided between the wire outlet groove and the support platform, and the support rib supports the sleeve from below. A first buckle is provided between the support rib and the wire outlet groove, and the first buckle is engaged with the upper side of the sleeve. A pair of second buckles are provided on both sides of the wire outlet groove between the first buckle and the wire outlet groove. The edge of the front shell is provided with a flange that cooperates with the second buckles, and the second buckle is engaged with the flange to fix the front shell to the bottom shell. A groove cover matching the wire outlet groove is provided on the front shell, and the sleeve is clamped in the wire outlet groove and the groove cover. Positioning ribs higher than the support platform are provided on both sides perpendicular to the extension direction of the sleeve, and the LED lamp bead is confined between the two positioning ribs. A lens corresponding to the LED lamp bead is provided in the center of the front shell. It also includes a light-shielding plate, with a light-emitting hole in the center corresponding to the LED beads. A positioning post is provided on the inner side of the light-shielding plate, and a positioning hole is provided on the front shell to cooperate with the positioning post. The positioning post is inserted into the positioning hole. A grounding plug to support the lamp body is provided on the lower side of the bottom shell. Attached Figure Description

[0007] Figure 1 This is a schematic diagram of the assembly of the lamp body of this utility model.

[0008] Figure 2 This is a schematic diagram of the bottom shell of this utility model.

[0009] Figure 3 This is a schematic diagram of the installation structure of the LED lamp beads and the sleeve of this utility model.

[0010] Figure 4 This is a schematic diagram of the structure of the light-shielding plate of this utility model.

[0011] Figure 5 This is one of the schematic diagrams of the external structure of the assembled version of this utility model.

[0012] Figure 6 This is the second schematic diagram of the external structure of the assembled version of this utility model.

[0013] Figure 7 This is a partial cross-sectional view of the fixing structure of the bottom shell, the top shell, and the light-shielding plate of this utility model. Detailed Implementation

[0014] To further understand the features, technical means, specific purposes, and functions of this utility model, a more detailed description of the utility model is provided below in conjunction with the accompanying drawings and specific embodiments. The descriptions of the positions of the components themselves and between components in this application (including but not limited to upper, lower, inner, outer, left, right, top, and bottom, etc.) are relative relationships with reference only to the positions of the relevant components shown in the accompanying drawings of this application, and do not represent an absolute limitation on the scope of protection of this utility model. Those skilled in the art should understand that if the view orientation of the components changes, the above description of the positional relationships may change, but the essential mechanical structure remains unchanged.

[0015] refer to Figure 1 An easy-to-manufacture LED decorative light string includes multiple light bodies and a sleeve 3 connecting the multiple light bodies. The light body includes a bottom shell 1 and a top shell 2. LED beads 4 are installed on the sleeve 3 inside the light body. A light shield 5 is also provided inside the light body to block part of the light from the LED beads.

[0016] refer to Figure 1 , Figure 2 and Figure 5 The bottom shell 1 has a cable outlet groove 11 on each side edge, and a support platform 10 in the center of the bottom shell 1. A support rib 12, flush with the support platform 10, is provided between the cable outlet groove 11 and the support platform 10. A pair of first latches 131 are provided between the support rib 12 and the cable outlet groove 11, and a pair of second latches 132 are provided on both sides of the cable outlet groove 11 between the first latches 131 and the cable outlet groove 11. A mounting hole 14 is provided on each side of the bottom shell 1 at the two cable outlet grooves 11. The mounting hole 14 is used to fix the lamp body to the wall. The mounting hole 14 is located near the cable outlet groove 11 to allow the lamp body to better withstand the tension of the sleeve 3. Positioning ribs 15, higher than the support platform 10, are provided on both sides of the support platform 10 perpendicular to the extension direction of the sleeve 3. The bottom shell 1 also has several protrusions 16 distributed around its perimeter, and fixing holes 160 are provided in the protrusions 16. (Reference) Figure 6 The bottom shell 1 may also be provided with a side plate 17 perpendicular to the bottom shell 1, and the side plate 17 is also provided with the mounting hole 14, so that the lamp body can be installed perpendicular to the wall. (Reference) Figure 1 The back of the bottom shell 1 can also be provided with a ground socket 6 to support the lamp body, which can fix the lamp body to the ground. In this way, the present invention has a variety of installation methods, which can facilitate consumers to choose freely.

[0017] refer to Figure 1 and Figure 7 The faceplate 2 includes a top wall 21 and side walls 22 surrounding the top wall 21. A lens 23 integrally formed with the faceplate 2 is provided in the center of the top wall 21, and the edge of the side wall 22 is provided with a flange 24. The two sides of the side wall 22 are provided with groove covers 25 that cooperate with the wire outlet groove 15 on the bottom shell 1.

[0018] refer to Figure 1 and Figure 3 The sleeve 3 includes an outer sheath 31 and a conductor 32 wrapped in the outer sheath 31. An opening 310 is provided on one side of the outer sheath 31 of the sleeve 3. The conductor 32 inside the opening 310 is cut off, and the positive and negative lamp leads 41 of the LED bead 4 are respectively welded to both ends of the cut end 320 of the conductor 32. When the LED bead is a monochrome LED bead, only one light-emitting chip is encapsulated inside the LED bead, and the LED bead has only one set of positive and negative lamp leads 41. The sleeve 3 also contains only one conductor 32. When the LED bead is a dual-color or tri-color LED bead, two or three chips are encapsulated inside the LED bead, and two or three sets of positive and negative lamp leads 41 are correspondingly provided outside the LED bead. The sleeve 3 also contains two or three conductors 32. The two or three sets of positive and negative lamp leads 41 of the LED bead 4 are respectively welded to both ends of the cut end 320 of the two or three conductors 32. The LED bead is also coated with a transparent adhesive 33 that seals the opening 310 of the outer sheath of the wire, so that the connection between the LED bead and the wire 32 is waterproof.

[0019] refer to Figure 4 and Figure 7 The light-shielding plate 5 has a light-emitting hole 50 in the middle that can accommodate the LED beads 4 and the surrounding transparent adhesive 33, and a plurality of fixing rods 51 corresponding to the plurality of fixing holes 130 are provided on its lower side. The light-shielding cover 5 can block the light scattered by the LED beads 4 in all directions, so that the light is concentrated on the lens 23 of the face shell 2, and the light spot boundary of the lamp body is clearer.

[0020] refer to Figure 1 , Figure 5 and Figure 7The assembly method of this utility model is as follows: First, the position where the LED lamp bead 4 is welded on the sleeve 3 is placed on the support platform 10 of the bottom shell 1. The sleeve 3 at both ends of the LED lamp bead 4 is snapped into the first buckle 131 and placed in the wire outlet groove 11. That is, the support platform 10 supports the LED lamp bead 4 from below, the support rib 12 supports the sleeve 3 from below, the positioning rib 15 defines the LED lamp bead 4 on both sides of the support platform 10 perpendicular to the extension direction of the sleeve 3, and the first buckle 131 defines the sleeve 3 from above. The LED lamp bead 4 and the sleeve 3 are fixed. The system is reliable, and the LED beads 4 and the sleeve 3 are suspended in the lamp body. Even if a small amount of liquid enters the lamp body, it will not come into contact with the LED beads, resulting in better waterproofing. Then, the fixing rod 51 of the light shield 5 is inserted into the fixing hole 160 of the bottom shell 1, so that the LED beads 4 are located in its light outlet hole 50. Finally, the face shell 2 is installed on the bottom shell 1, and the flange 24 of the face shell 2 is snapped into the second buckle 132 of the bottom shell 1 for fixation. The second buckle 132 is set on both sides of the wire outlet groove 11, which allows the groove cover 25 to press the sleeve 3 into the wire outlet groove 11.

[0021] This invention features an opening in the outer sheath of the sleeve for installing LED beads, followed by a transparent colloid coating to seal the opening and the LED beads. The LED beads are small in size, and the installation and sealing process facilitates automated production, resulting in high production efficiency and good waterproof performance. Furthermore, no glue is required inside the lamp housing, and no complex structure is needed, leading to a simple structure and low manufacturing cost. Additionally, the lamp body assembly uses snap-fit ​​connections without screw fixation, resulting in high production efficiency and low manufacturing cost.

[0022] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A type of LED decorative light string that is easy to manufacture, comprising multiple light bodies, LED beads installed inside the light bodies, and a sleeve connecting the LED beads of the multiple light bodies, characterized in that: The lamp body includes a bottom shell and a top shell that interlock with each other. The sleeve includes an outer sheath and a wire wrapped inside the outer sheath. An opening is provided on one side of the outer sheath, and the wire inside the opening is cut off. The LED lamp bead is installed in the opening, and its positive and negative lamp feet are respectively welded to the two ends of the cut end of the wire. A transparent colloid is provided on the opening of the outer sheath to seal the opening and the LED lamp bead.

2. The LED decorative light string that is easy to manufacture according to claim 1, characterized in that: The bottom shell has a wire outlet groove on each side edge and a support platform in the center of the bottom shell. The sleeve wire passes through the wire outlet groove and the LED lamp bead is supported on the support platform.

3. The LED decorative light string that is easy to manufacture according to claim 2, characterized in that: A support rib is provided between the cable outlet groove and the support platform, and the support rib supports the sleeve from below.

4. The LED decorative light string that is easy to manufacture according to claim 3, characterized in that: A first buckle is provided between the support rib and the cable outlet groove, and the first buckle is engaged with the upper side of the sleeve.

5. The LED decorative light string that is easy to manufacture according to claim 4, characterized in that: A second buckle is provided on both sides of the cable outlet groove between the first buckle and the cable outlet groove. The edge of the face shell is provided with a flange that cooperates with the second buckle. The second buckle is engaged with the flange to fix the face shell and the bottom shell.

6. The LED decorative light string that is easy to manufacture according to claim 5, characterized in that: The faceplate is provided with a groove cover that matches the cable outlet groove, and the cable is clamped in the cable outlet groove and the groove cover.

7. The LED decorative light string that is easy to manufacture according to claim 6, characterized in that: The support platform is provided with positioning ribs on both sides perpendicular to the extension direction of the sleeve, which are higher than the support platform, and the LED lamp beads are confined between the two positioning ribs.

8. The LED decorative light string that is easy to manufacture according to claim 1, characterized in that: A lens corresponding to the LED beads is provided in the center of the faceplate.

9. The LED decorative light string that is easy to manufacture according to claim 8, characterized in that: It also includes a light shield, with a light-emitting hole in the middle of the light shield corresponding to the LED lamp bead, a positioning post on the inner side of the light shield, and a positioning hole on the surface shell that cooperates with the positioning post, with the positioning post inserted into the positioning hole.

10. The LED decorative light string that is easy to manufacture according to claim 1, characterized in that: A ground socket supporting the lamp body is provided on the lower side of the bottom shell.

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