Injection molding LED point light source

Abstract

The utility model discloses an injection molding light-emitting diode (LED) point light source in the technical field of lamps, which comprises an injection molding outer shell, a circuit board, an LED light guide piece and an LED light-emitting piece. The circuit board is arranged in the injection molding outer shell, and a plug hole is formed in the circuit board; the LED light guide part is arranged in the injection molding outer shell, and an inserting column is arranged at the bottom of the LED light guide part. The LED light-emitting part is arranged between the circuit board and the LED light guide part, and the LED light-emitting part is electrically connected with the circuit board; and the inserting column is inserted into the inserting hole, so that one side of the LED light guide piece is exposed out of the injection molding outer shell. According to the LED point light source, the problems that an existing point light source is low in assembling efficiency, and the injection amount of glue is difficult to control are solved, and when the LED point light source is produced, the circuit board, the LED light guide piece, the LED light-emitting piece and the injection molding outer shell do not need to be assembled and subjected to glue pouring, so that the production process is simpler, and the production efficiency and the product quality can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lamps, and in particular to an injection-molded LED point light source. Background Art

[0002] Point light source is a new type of decorative lamp, which not only has the characteristics of linear light source and floodlight, but also has unique advantages. LED point light source is a high-efficiency, energy-saving, environmentally friendly and long-life lighting product, which is small in size and can easily adapt to various environments and decoration requirements. By using extension cords of different lengths, point light sources can be designed in various shapes, adding unique charm to the lighting of buildings, bridge outlines, hotels, billboards, curtain walls and nightclubs.

[0003] Existing point light sources are usually composed of circuit boards and LED lamp beads, which are placed in a cavity formed by the combination of an upper shell and a lower shell. Then, glue is poured in to seal the cavity, thereby protecting the circuit board and LED lamp beads from the external environment. However, this production method requires manual assembly of the upper shell, lower shell, circuit board and LED lamp beads, and then glue pouring, resulting in low efficiency. In addition, the glue pouring process also requires manual operation, and it is difficult to control the amount of glue poured in, which can easily lead to waste or insufficient glue, which not only increases production costs, but also affects production efficiency and product quality.

[0004] The above defects need to be solved urgently. Utility Model Content

[0005] In order to solve the problems of low assembly efficiency of existing point light sources and difficulty in controlling the amount of glue poured, the utility model provides an injection-molded LED point light source.

[0006] The technical solution of the utility model is as follows:

[0007] An injection-molded LED point light source, comprising:

[0008] An injection-molded outer shell, wherein the injection-molded outer shell is formed in one piece;

[0009] A circuit board is arranged inside the injection-molded outer shell, and a plug hole is provided on the circuit board;

[0010] An LED light guide is arranged inside the injection molded outer shell, and a plug-in column is provided at the bottom of the LED light guide;

[0011] An LED light emitting element is disposed between the circuit board and the LED light guide element, and the LED light emitting element is electrically connected to the circuit board;

[0012] The plug-in column is plugged into the plug-in hole, so that one side of the LED light guide is exposed outside the injection-molded outer shell.

[0013] According to the above scheme of the utility model, the LED light guide includes a light guide part and a connecting part. The injection molded outer shell is provided with a light guide hole. The light guide part passes through the light guide hole and is exposed outside the injection molded outer shell. The connecting part is embedded in the injection molded outer shell, and the plug-in column is arranged at the bottom of the connecting part.

[0014] According to the above-mentioned solution of the utility model, a plurality of clamping protrusions are provided on the periphery of the connecting portion, and the clamping protrusions are clamped with the injection-molded outer shell.

[0015] According to the above-mentioned solution of the utility model, a positioning convex strip is provided at the connection between the light guide part and the connection part to facilitate the positioning of the injection molding equipment.

[0016] According to the above-mentioned solution of the utility model, a plurality of first connection holes are provided on the injection-molded outer shell, and the first connection member passes through the first connection holes to be connected with the external structure.

[0017] According to the above-mentioned solution of the utility model, the injection-molded outer shell is provided with mounting grooves corresponding to the first connecting holes one by one, and each of the mounting grooves is located at the top end of the corresponding first connecting hole.

[0018] According to the above-mentioned solution of the utility model, there are two first connection holes, and the two first connection holes are respectively arranged at diagonal positions of the injection-molded outer shell.

[0019] According to the above solution of the utility model, the circuit board is provided with first notches corresponding one to one with the first connecting holes.

[0020] According to the above-mentioned solution of the utility model, a plurality of mounting protrusions are provided on the injection-molded outer shell, each of the mounting protrusions is provided with a second connecting hole, and the second connecting member passes through the second connecting hole to be connected to the external structure.

[0021] According to the above-mentioned solution of the utility model, there are two mounting protrusions, and the two mounting protrusions are respectively arranged at diagonal positions of the injection-molded outer shell.

[0022] According to the above solution of the utility model, the circuit board is provided with second notches corresponding one-to-one with the second connecting holes.

[0023] The utility model according to the above scheme has the following beneficial effects:

[0024] In the above-mentioned injection-molded LED point light source, the circuit board, LED light guide, and LED light-emitting component are all arranged inside the integrally formed injection-molded outer shell by injection molding. Therefore, during production, there is no need to assemble and glue the circuit board, LED light guide, LED light-emitting component, and injection-molded outer shell, which makes the production process simpler and can improve production efficiency and product quality. In addition, the injection-molded outer shell is integrally formed, which can prevent external water vapor from contacting the circuit board, and effectively improve the waterproof performance of the utility model. In addition, the plug-in column of the LED light guide is plugged into the plug-in hole of the circuit board, so that the LED light guide is installed on the circuit board, which is convenient for the subsequent injection molding process. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0026] Figure 1 It is a structural schematic diagram of Example 1;

[0027] Figure 2 This is one of the split diagrams of Example 1;

[0028] Figure 3 This is the second split diagram of Example 2;

[0029] Figure 4 is a cross-sectional view of Example 1;

[0030] Figure 5 It is a structural schematic diagram of Example 2;

[0031] Figure 6 This is the split diagram of Example 2.

[0032] In the figure, 1. injection molded outer shell; 11. light guide hole; 12. first connecting hole; 13. mounting groove; 14. mounting protrusion; 15. second connecting hole; 2. circuit board; 21. plug-in hole; 22. first notch; 23. second notch; 3. LED light guide; 31. plug-in column; 32. connecting part; 33. light guide part; 34. snap-on protrusion; 35. positioning protrusion; 4. LED light-emitting part; 5. wire. DETAILED DESCRIPTION

[0033] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0034] Example 1

[0035] like Figure 1 As shown, this embodiment provides an injection-molded LED point light source, including an injection-molded outer shell 1, which is formed as a whole by injection molding, and a circuit board 2, an LED light guide 3, and an LED light-emitting component 4 are arranged inside the injection-molded outer shell 1, a wire 5 is welded on the circuit board 2, and the LED light-emitting component 4 is arranged between the circuit board 2 and the LED light guide 3, and the LED light-emitting component 4 is electrically connected to the circuit board 2, so that the light emitted by the LED light-emitting component 4 is guided to the outside of the injection-molded outer shell 1 through the LED light guide 3, thereby realizing light emission and illumination.

[0036] like Figure 2 , Figure 3 , Figure 4 As shown, in this embodiment, the circuit board 2 is embedded in the injection molded outer shell 1, the circuit board 2 is provided with a plug hole 21, and the bottom of the LED light guide 3 is provided with a plug column 31, which is plugged into the plug hole 21, so that the LED light guide 3 is installed on the circuit board 2, which is convenient for the subsequent injection molding process.

[0037] like Figure 2 , Figure 3 As shown, in this embodiment, the LED light guide 3 includes a connecting portion 32 and a light guide portion 33, the plug-in column 31 is arranged at the bottom of the connecting portion 32, and the connecting portion 32 is embedded in the injection molded outer shell 1, so that the LED light guide 3 is installed in the injection molded outer shell 1. In addition, a plurality of snap-fitting protrusions 34 are arranged on the periphery of the connecting portion 32, and the snap-fitting protrusions 34 are snap-fitted with the injection molded outer shell 1, so that the connection between the LED light guide 3 and the injection molded outer shell 1 is more stable, thereby improving the stability of assembly.

[0038] like Figure 3 , Figure 4 As shown, in this embodiment, the injection molded outer shell 1 is provided with a light guide hole 11, and the light guide portion 33 is hemispherical. The light guide portion 33 protrudes through the light guide hole 11 and is exposed outside the injection molded outer shell 1, so as to prevent the injection molded outer shell 1 from blocking the light emitted by the LED light-emitting component 4. The light emitted by the LED light guide 3 passes through the light guide portion 33 and the light guide hole 11 and irradiates the outer shell, thereby achieving light emission. In addition, a positioning convex strip 35 is provided at the connection between the light guide portion 33 and the connecting portion 32. When the injection molding equipment performs injection molding to produce the injection molded outer shell 1, the positioning convex strip 35 can play a positioning role, which is convenient for quickly placing the LED light guide 3 on the injection molding equipment, thereby improving production efficiency.

[0039] like Figure 1 , Figure 2As shown, in this embodiment, the injection molded outer shell 1 is provided with a plurality of first connection holes 12, and the first connection member (not shown in the figure) passes through the first connection hole 12 to connect with the external structure, for example, the external structure can be a wall, and the first connection member passes through the first connection hole 12 to install the injection molded LED point light source on the wall. In addition, the first connection member can be designed as a screw. Of course, in actual design, the structure of the first connection member can be designed according to actual needs.

[0040] like Figure 1 , Figure 2 As shown, in this embodiment, the injection molded outer shell 1 is provided with a mounting groove 13, and the mounting groove 13 corresponds to the first connecting hole 12 one by one, and each mounting groove 13 is located at the top of the corresponding first connecting hole 12, so that after the first connecting member passes through the first connecting hole 12 and is connected to the external structure, the first connecting member will not protrude from the surface of the injection molded outer shell 1, thereby improving space utilization.

[0041] like Figure 1 , Figure 2 As shown, in this embodiment, the injection molded outer shell 1 is square, and there are two first connection holes 12. The two first connection holes 12 are respectively arranged at diagonal positions of the injection molded outer shell 1, so that the installation of the injection molded LED point light source and the external structure is more stable. Of course, the first connection holes 12 can also be designed to be three or four or even more. In actual design, the number of the first connection holes 12 can be designed according to actual needs.

[0042] like Figure 2 , Figure 3 As shown, in this embodiment, a first notch 22 is provided on the circuit board 2, and the first notch 22 corresponds one-to-one with the first connecting hole 12, so that the circuit board 2 can avoid the first connecting hole 12, thereby preventing the first connecting member from passing through the first connecting hole 12 to connect with the external structure and causing damage to the circuit board 2.

[0043] Example 2

[0044] like Figure 5 , Figure 6 As shown, the difference from Example 1 is that the injection molded outer shell 1 of Example 2 is provided with a plurality of mounting protrusions 14, each mounting protrusion 14 is provided with a second connection hole 15, and a second connection member (not shown in the figure) passes through the second connection hole 15 to connect with an external structure, for example, the external structure can be a wall, and the second connection member passes through the second connection hole 15 to install the injection molded LED point light source on the wall. In addition, the second connection member can be designed as a screw. Of course, in actual design, the structure of the second connection member can be designed according to actual needs.

[0045] like Figure 5 , Figure 6As shown, in this embodiment, the injection molded outer shell 1 is square, there are two mounting protrusions 14, each mounting protrusion 14 is provided with a second connection hole 15, and the two mounting protrusions 14 are respectively provided at the diagonal positions of the injection molded outer shell 1, that is, the two second connection holes 15 are respectively provided at the diagonal positions of the injection molded outer shell 1, so that the installation of the injection molded LED point light source and the external structure is more stable. Of course, the mounting protrusions 14 can also be designed to be three or four or even more. In actual design, the number of mounting protrusions 14 can be designed according to actual needs. In addition, in other embodiments, two or three second connection holes 15 are provided on each mounting protrusion 14 to improve the installation stability of the injection molded LED point light source and the external structure. In actual design, the number of second connection holes 15 on each mounting protrusion 14 can be designed according to actual conditions.

[0046] like Figure 6 As shown, in this embodiment, a second notch 23 is provided on the circuit board 2, and the second notch 23 corresponds one-to-one with the second connecting hole 15, so that the circuit board 2 can avoid the second connecting hole 15, thereby preventing the second connecting member from passing through the second connecting hole 15 to connect with the external structure and causing damage to the circuit board 2.

[0047] When the utility model is produced, the wire 5 and the LED light-emitting component 4 are first welded on the circuit board 2, and then the LED light guide 3 is plugged into the circuit board 2, and the two are placed on the mold of the injection molding equipment. The injection molding equipment uses the injection molding process to inject the integrally formed injection molded outer shell 1 on the outer side of the circuit board 2 and the LED light guide 3, so that the circuit board 2 and the LED light guide 3 are embedded in the injection molded outer shell 1, and the light guide part 33 is exposed outside the injection molded outer shell 1, that is, the circuit board 2, the LED light guide 3, and the LED light-emitting component 4 are all arranged inside the integrally formed injection molded outer shell 1 by injection molding. In production, there is no need to assemble and glue the circuit board 2, the LED light guide 3, the LED light-emitting component 4 and the injection molded outer shell 1, so that the production process is simpler, and the production efficiency and product quality can be improved. In addition, the injection molded outer shell 1 is integrally formed, which can prevent external water vapor from contacting the circuit board 2, and effectively improve the waterproof performance of the utility model.

[0048] It should be noted that the indicated orientation or position relationship is based on the orientation or position relationship shown in the drawings, or is the orientation or position relationship in which the application product is usually placed when used, or is the orientation or position relationship commonly understood by technical personnel in this field, or is the orientation or position relationship in which the application product is usually placed when used. It is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0049] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should fall within the scope of protection of the claims attached to the utility model.

[0050] The above is an exemplary description of the utility model patent in conjunction with the accompanying drawings. It is obvious that the implementation of the utility model patent is not limited to the above-mentioned method. As long as various improvements are made by adopting the method concept and technical solution of the utility model patent, or the concept and technical solution of the utility model patent are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. An injection-molded LED point light source, characterized in that: include: An injection-molded outer shell, wherein the injection-molded outer shell is formed in one piece; A circuit board is arranged inside the injection-molded outer shell, and a plug hole is provided on the circuit board; An LED light guide is arranged inside the injection molded outer shell, and a plug-in column is provided at the bottom of the LED light guide; An LED light emitting element is disposed between the circuit board and the LED light guide element, and the LED light emitting element is electrically connected to the circuit board; The plug-in column is plugged into the plug-in hole, so that one side of the LED light guide is exposed outside the injection-molded outer shell.

2. The injection-molded LED point light source according to claim 1, characterized in that: The LED light guide comprises a light guide part and a connecting part. The injection molded outer shell is provided with a light guide hole. The light guide part passes through the light guide hole and is exposed outside the injection molded outer shell. The connecting part is embedded in the injection molded outer shell, and the plug-in column is arranged at the bottom of the connecting part.

3. The injection-molded LED point light source according to claim 2, characterized in that: A plurality of clamping protrusions are arranged on the periphery of the connecting portion, and the clamping protrusions are clamped with the injection molded outer shell.

4. The injection-molded LED point light source according to claim 2, characterized in that: A positioning convex strip is provided at the connection between the light guide part and the connection part for facilitating the positioning of the injection molding equipment.

5. The injection-molded LED point light source according to claim 1, characterized in that: The injection molded outer shell is provided with a plurality of first connecting holes, and the first connecting member passes through the first connecting holes to be connected with the external structure.

6. The injection-molded LED point light source according to claim 5, characterized in that: The injection molded outer shell is provided with mounting grooves corresponding to the first connecting holes one by one, and each of the mounting grooves is located at the top end of the corresponding first connecting hole.

7. The injection-molded LED point light source according to claim 5, characterized in that: There are two first connection holes, and the two first connection holes are respectively arranged at diagonal positions of the injection-molded outer shell.

8. The injection-molded LED point light source according to claim 5, characterized in that: The circuit board is provided with first notches corresponding to the first connecting holes one by one.

9. The injection-molded LED point light source according to claim 1, characterized in that: The injection molded outer shell is provided with a plurality of mounting protrusions, each of the mounting protrusions is provided with a second connecting hole, and the second connecting member passes through the second connecting hole to be connected with the external structure.

10. The injection-molded LED point light source according to claim 9, characterized in that: There are two mounting protrusions, and the two mounting protrusions are respectively arranged at diagonal positions of the injection-molded outer shell.

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