Annular light guide column
The integrated ring-shaped light guide column design solves the problems of complex assembly and light leakage of knob LED lights, achieving convenient installation and excellent light guiding effect.
Patent Information
- Application Number
- CN202520315045.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-25
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-02-25
AI Technical Summary
The existing knob LED light has a complicated light guide structure that is prone to light leakage and is difficult to use effectively with knobs.
It adopts an integrated ring light guide column, including a light cover made of opaque material and a light emitting part made of light-transmitting material. The light cover has an independent lamp cavity and light emitting hole. The light emitting part covers the top of the lamp cavity. The light cover is installed integrally with the LED light.
It simplifies the assembly process, reduces light leakage, and improves light guiding effect, making it suitable for LED light combinations for knobs.
Smart Images

Figure CN223895787U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to light guide column technical field especially relates to a ring light guide column. BACKGROUND
[0002] In order to facilitate user still normal use knob in dark environment and improve the beautiful effect of knob, often set up multiple LED lamps on the periphery of knob, and in order to improve the light display effect of LED lamp, set up corresponding light guide structure on LED lamp.
[0003] The general practice is that a plurality of independent light guide columns same as the number of LED lamps are adopted to form the light guide structure of the LED lamps on the periphery of the knob, which is not only troublesome in overall assembly, but also prone to light leakage, and a light guide column for multiple LED lamps used in combination with the knob is urgently needed, which is convenient to assemble, prevents light leakage and better applicable. UTILITY MODEL CONTENTS
[0004] The utility model discloses a ring light guide column, which is convenient to assemble, can greatly reduce the required assembly time, prevents light leakage, has better light guide effect and is better applicable to multiple LED lamps used in combination with the knob.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the technical scheme of a ring light guide column, which comprises a light shielding part made of light shielding material and a light emitting part made of light transmitting material.
[0006] Further improvement of the above-mentioned scheme is that the light shielding part is made of black PC material.
[0007] Further improvement of the above-mentioned scheme is that the light emitting part is made of transparent ABS material.
[0008] Further improvement of the above-mentioned scheme is that the light shielding part has a whole circular ring or circular arc structure.
[0009] Further improvement of the above-mentioned scheme is that the light shielding part has a whole circular ring or circular arc structure.
[0010] Further improvement of the above-mentioned scheme is that the light emitting part comprises a light guide protrusion protruding upward on the top of the light shielding part.
[0011] Further improvement of the above-mentioned scheme is that the light guide protrusion has a circular ring or circular arc structure.
[0012] Further improvement of the above scheme is that the bottom of the light covering part is shaped with several positioning columns.
[0013] Further improvement of the above scheme is that the height of the light emitting part is less than or equal to 2mm.
[0014] Further improvement of the above scheme is that the height of the lamp cavity is greater than or equal to 5mm.
[0015] The annular light guide column has the advantages that: the annular light guide column is of an integrated structure, each lamp cavity of the light covering part is aligned with and covers each LED lamp, the installation of the annular light guide column is completed, the annular light guide column is convenient to assemble, the working hours required for assembly are greatly reduced, light leakage is prevented, light guiding is better, and the annular light guide column is better applicable to multiple LED lamps used in combination with knobs.
[0016] Compared with the prior art, the annular light guide column is of an integrated structure, each lamp cavity of the light covering part is aligned with and covers each LED lamp, the installation of the annular light guide column is completed, the annular light guide column is convenient to assemble, the working hours required for assembly are greatly reduced, light leakage is prevented, light guiding is better, and the annular light guide column is better applicable to multiple LED lamps used in combination with knobs. BRIEF DESCRIPTION OF DRAWINGS
[0017] Fig. 1 FIG. 1 is a structural schematic view of the present application.
[0018] Fig. 2 FIG. 2 is another structural schematic view of the present application.
[0019] The reference signs are as follows: light covering part 1, light emitting part 2, lamp cavity 3, light emitting hole 4, light guide protrusion 5, positioning column 6. DETAILED DESCRIPTION
[0020] The present application will be further described below with reference to the drawings. Figs. 1-2 The present application includes the light covering part 1 made of lightproof material, the light emitting part 2 made of light-transmitting material, the light emitting part 2 is integrally injection molded on the light covering part 1, the light covering part 1 is shaped with multiple lamp cavities 3 for accommodating and installing LED lamps, each lamp cavity 3 is independently and separately arranged, the top of each lamp cavity 3 is respectively provided with a light emitting hole 4, and the light emitting part 2 is arranged on each light emitting hole 4. Compared with the prior art, the present application is of an integrated structure, each lamp cavity 3 of the light covering part 1 is aligned with and covers each LED lamp, the installation of the present application is completed, the present application is convenient to assemble, the working hours required for assembly are greatly reduced, light leakage is prevented, light guiding is better, and the present application is better applicable to multiple LED lamps used in combination with knobs.
[0021] The light cover part 1 is made of black PC material, the fireproof grade is V1, the light emitting part 2 is made of transparent ABS material, the fireproof grade is HB-UL, the whole has good heat dissipation performance, and the condition that the PCB board is burnt out due to long time use can be avoided.
[0022] The light cover part 1 is circular or circular arc structure, the light cover part 1 in the embodiment is circular arc structure and is superior arc structure, of course, in other embodiments, the shape structure of the light cover part 1 can also be designed according to specific use requirements.
[0023] The light cover part 1 is circular or circular arc structure, the light cover part 1 in the embodiment is circular arc structure and is superior arc structure, of course, in other embodiments, the shape structure of the light cover part 1 can also be designed according to specific use requirements.
[0024] The light emitting part 2 includes the light guide protrusion 5 upwardly protruding on the top of the light cover part 1, the light guide protrusion 5 can be better matched with the open panel during assembly through the upwardly protruding light guide protrusion 5, so that the light guide protrusion 5 and the panel remain in the same horizontal plane, and the overall effect is better.
[0025] The light guide protrusion 5 is circular or circular arc structure, the light guide protrusion 5 in the embodiment is circular arc structure and is superior arc structure, of course, in other embodiments, the shape structure of the light guide protrusion 5 can also be designed according to specific use requirements.
[0026] The bottom of the light cover part 1 is formed with a plurality of positioning columns 6, and the positioning columns 6 are convenient for quick alignment and accurate installation.
[0027] Since the light emitting part 2 is prone to bubbles during injection molding, the height of the light emitting part 2 is preferably less than or equal to 2mm, which can ensure that no bubbles are generated during injection molding, the whole is smooth, and the light transmission effect is better.
[0028] The height of the lamp cavity 3 is preferably greater than or equal to 5mm, the design of the lamp cavity 3 can improve the central light intensity, the light is more concentrated, and the light overflow is avoided.
[0029] Working principle:
[0030] By respectively aligning and covering each LED lamp with each lamp cavity 3 of the light covering part 1, the installation of the utility model is completed, and light channeling between the LED lamps in each lamp cavity 3 will not occur, and the overall brightness is more uniform and soft; the utility model is of an integrated structure, and by respectively aligning and covering each LED lamp with each lamp cavity 3 of the light covering part 1, the installation of the utility model can be completed, which is not only convenient for assembly and can greatly reduce the assembly time required, but also has better light leakage prevention and light guiding effects and can be better applied to multiple LED lamps used in combination with knobs.
[0031] Of course, the above only describes the preferred embodiment of the utility model, and equivalent changes or modifications made according to the structure, features and principles described in the utility model patent application range are included in the utility model patent application range.
Claims
1. A ring-shaped light guide post, characterized in that: It includes a light-covering part (1) made of opaque material and a light-emitting part (2) made of light-transmitting material. The light-emitting part (2) is integrally injection molded on the light-covering part (1). The light-covering part (1) is formed with multiple lamp cavities (3) for accommodating and installing LED lamps. Each lamp cavity (3) is independently separated. Each lamp cavity (3) has a light-emitting hole (4) on its top. The light-emitting part (2) covers each light-emitting hole (4).
2. The annular light guide post according to claim 1, characterized in that: The light-covering part (1) is made of black PC material.
3. The annular light guide post according to claim 1, characterized in that: The light-emitting part (2) is made of transparent ABS material.
4. The annular light guide post according to claim 1, characterized in that: The light-covering part (1) has an overall ring-shaped or arc-shaped structure.
5. A ring-shaped light guide post according to claim 1, characterized in that: The lamp cavities (3) are distributed in a ring or arc shape.
6. A ring-shaped light guide post according to claim 1, characterized in that: The light-emitting part (2) includes a light-guiding protrusion (5) that protrudes upward from the top of the light-covering part (1).
7. A ring-shaped light guide post according to claim 6, characterized in that: The light-guiding protrusion (5) has a circular or arc-shaped structure.
8. A ring-shaped light guide post according to claim 1, characterized in that: The bottom of the light-covering part (1) is formed with several positioning pins (6).
9. A ring-shaped light guide post according to claim 1, characterized in that: The height of the light-emitting part (2) is less than or equal to 2 mm.
10. A ring-shaped light guide post according to claim 1, characterized in that: The height of the lamp cavity (3) is greater than or equal to 5 mm.