Automobile key light guide structure

Abstract

The utility model discloses an automobile key light guide structure which comprises a PCB (printed circuit board) (1), a light source (2) and a light guide ring (3) connected with the light source (2) are arranged on the PCB (1), the light guide ring (3) is located above the PCB (1), the light source (2) is an LED lamp, the light source (2) is located on the side edge of the light guide ring (3), an ejector plate (4) is arranged between the light guide ring (3) and the PCB (1), a gap is reserved between the light guide ring (3) and the PCB (1), and the light guide ring (3) is connected with the PCB (1). A light guide ring (7) is arranged on the light guide ring (3); the height of the annular area is increased, the vertical light guide effect is better achieved, and in order to achieve large-area uniform lighting, the light guide effect of vertical front lighting is achieved by adopting the side light-emitting LED lamps, considering spatial arrangement and a waterproof structure, raising the reflective face, reaching the visual range of a user through light reflection and diffuse reflection and additionally arranging the light guide ring (7) in a matched mode.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of light guide structure, specifically, the utility model relates to a car key light guide structure. BACKGROUND

[0002] As a very important transport tool at present, various vehicle models are colorful, and keys are appearance parts, and customers are constantly pursuing unique appearance; some customers want to update the key modeling, and the light guide indication is also unique, under the conditions of meeting the key space arrangement, power consumption, IP67 waterproof requirements and the like, in order to meet the modeling requirements of customers, designers must think hard to design products and think of some unique structures to meet the requirements of customers.

[0003] A car ring-shaped remote key side light guide assembly is disclosed in a public specification with the patent number 202022428730.5 and the publication date of April 30, 2021, which comprises an LED lamp, a first shell, a lower cover, a light transmission belt, a light guide ring and a second shell, the upper side of the first shell is provided with the second shell, the outer side between the first shell and the second shell is provided with the light guide ring, the upper side of the first shell and the lower side of the second shell are both clamped with the light transmission belt, the light transmission belt is located on the upper and lower sides of the light guide ring, the lower side of the first shell is installed with the lower cover, the waterproof pad is installed between the first shell and the second shell, the mechanism structure is simplified: due to the space limitation, the structure of the utility model can not transmit light out through complex light transmission structure, the cost is reduced: compared with the complex light guide structure, the cost is more advantageous, the development cycle is reduced: the utility model mechanism can realize the function of each part through the mold, which saves the development cycle for mass production.

[0004] At present, most of the car key indicator lights show a dot or a small area after lighting, and the lighting area of the key is limited. INVENTION CONTENTS

[0005] The utility model aims at providing a car key light guide structure with good light guide effect.

[0006] In order to realize the above purpose, the technical scheme adopted by the utility model is as follows: a car key light guide structure, comprising a PCB board, a light source and a light guide ring connected with the light source are arranged on the PCB board, and the light guide ring is located above the PCB board.

[0007] The light source is an LED lamp, and the light source is located on the side edge of the light guide ring.

[0008] An ejector plate is arranged between the light guide ring and the PCB board, and a gap exists between the light guide ring and the PCB board.

[0009] The ejector plate side is provided with a light guide frame, and the light source is adjacent to the light guide frame.

[0010] The ejector plate is internally provided with mutually parallel refractive plates, and the horizontal plane of the ejector plate is trapezoidal.

[0011] The light guide ring comprises a setting outer ring and a top ring arranged on the outer ring.

[0012] The bottom wall surface of the top ring and the inner wall surface of the outer ring are hot stamped.

[0013] The light guide ring is provided with a light guide ring.

[0014] The technical effect of the utility model is: in order to large area uniform lighting, the utility model adopts side light emitting LED lamp, considering space arrangement and waterproof structure, the reflection surface needs to be lifted, thereby two refractive plates need to be increased to transmit light to the reflection surface, through reflection and diffuse reflection of light, the visual range of the user is reached, thereby the light guide effect of vertical 90 degrees front lighting is realized. BRIEF DESCRIPTION OF DRAWINGS

[0015] The present specification includes the following drawings, and the shown contents are respectively:

[0016] Figure 1 It is a structural schematic view of the utility model of a car key light guide structure;

[0017] Figure 2 It is Figure 1 It is a light guide ring schematic view of the utility model of a car key light guide structure.

[0018] In the drawing, 1 is a PCB board, 2 is a light source, 3 is a light guide ring, 31 is an outer ring, 32 is a top ring, 4 is an ejector plate, 5 is a light guide frame, 6 is a refractive plate, and 7 is a light guide ring. DETAILED DESCRIPTION

[0019] The specific embodiment of the utility model is further explained in detail by comparing the drawings and the description of the embodiment, the purpose is to help the technical personnel in the field to have more complete, accurate and deep understanding of the utility model concept and technical scheme of the utility model, and help its implementation.

[0020] Please refer to Figures 1-2 A car key light guide structure comprises a PCB board 1, the PCB board 1 is provided with a light source 2 and a light guide ring 3 connected with the light source 2, and the light guide ring 3 is located above the PCB board 1; by adopting the light source 2 of side light emission, light is introduced into the light guide ring 3, and the reflection and diffuse reflection of the light guide ring 3 are utilized to realize the light guide effect of vertical front lighting by cooperating with the annular structure of the light guide ring 3.

[0021] The light source 2 is an LED lamp, and the light source 2 is located at the side of the light guide ring 3; the LED lamp is used for side light emission, and the light guide ring 3 is used for front lightening, so that the visual effect is improved.

[0022] The light guide ring 3 and the PCB board 1 are provided with an ejector plate 4, and a gap is formed between the light guide ring 3 and the PCB board 1; the waterproof effect is realized by lifting the light guide ring 3.

[0023] The ejector plate 4 is provided with a light guide frame 5 at the side, and the light source 2 is adjacent to the light guide frame 5; the light guide frame 5 is used for guiding the light emitted by the light source 2 to the inside of the light guide ring 3, so that the light guide ring 3 has a distance from the surface of the key, the waterproof effect is ensured, and the light emitted by the light source 2 can normally enter the light guide ring 3.

[0024] The ejector plate 4 is provided with a plurality of parallel refraction plates 6, and the horizontal surface of the ejector plate 4 is in a trapezoidal shape; the refraction plates 6 are used for guiding the light to the inside of the light guide ring 3.

[0025] The light guide ring 3 comprises an outer ring 31 and a top ring 32 arranged on the outer ring 31; the outer ring 31 and the top ring 32 are used for reflecting and diffusing the light, so that the light is emitted from the top ring 32, and the vertical light guiding effect is realized.

[0026] The bottom wall surface of the top ring 32 and the inner wall surface of the outer ring 31 are hot stamped; the light reflection efficiency and the light guiding effect of the bottom wall of the top ring 32 and the inner wall of the outer ring 31 are improved, and the hot stamping area is larger than the hollow middle area of the top ring 32.

[0027] The light guide ring 3 is provided with a light guide ring 7; the height of the ring-shaped area is increased, and the vertical light guiding effect is better.

[0028] The technical effect of the utility model is that: in order to uniformly light a large area, the side light emission LED lamp is adopted, the space arrangement and the waterproof structure are considered, the light reflection surface needs to be lifted, so that two refraction plates 6 are needed to be added to transmit the light to the light reflection surface, the light is reflected and diffused to the visual range of the user, and the vertical 90-degree front lightening light guiding effect is realized.

[0029] The utility model is described above in combination with the drawings. Apparently, the utility model is not limited to the above-mentioned mode. As long as various non-essential improvements are made by adopting the method concept and the technical scheme of the utility model, or the above-mentioned concept and the technical scheme of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A light guide structure for an automotive key, characterized in that: Including PCB board (1), the PCB board (1) is equipped with light source (2) and the light guide ring (3) connected with light source (2), the light guide ring (3) is located above the PCB board (1).

2. The light guiding structure of a car key according to claim 1, characterized in that: The light source (2) is LED lamp, and the light source (2) is located in the side of the light guide ring (3).

3. The light guiding structure of a car key according to claim 1 or 2, characterized in that: The light guide ring (3) and the PCB board (1) are equipped with the ejector plate (4), and the light guide ring (3) and the PCB board (1) have a gap.

4. The light guiding structure of a car key according to claim 3, characterized in that: The side of the ejector plate (4) is equipped with the light guide frame (5), and the light source (2) is adjacent to the light guide frame (5).

5. The light guiding structure of a car key according to claim 3, characterized in that: The refractive plate (6) is arranged in the ejector plate (4), and the horizontal plane of the ejector plate (4) is trapezoidal.

6. The light guiding structure of a car key according to claim 1, characterized in that: The light guide ring (3) includes an outer ring (31) and a top ring (32) arranged on the outer ring (31).

7. The light guiding structure of a car key according to claim 6, characterized in that: The bottom wall surface of the top ring (32) and the inner wall surface of the outer ring (31) are hot stamped.

8. The light guiding structure of a car key according to claim 1, characterized in that: The light guide ring (3) is equipped with the light guide ring (7).

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