Automobile key light guide structure

Abstract

The utility model belongs to a light guide structure of an automobile key in the technical field of automobile keys. Comprising a key PCBA (1), an LED lamp (2) and a light guide component (3) are arranged on the key PCBA (1), the light guide component (3) is provided with a first refracting surface (4) and a second refracting surface (5), a light reflecting surface (6) is arranged on the lower surface of the light guide component (3), a hot stamping area (7) is arranged at the position of the light reflecting surface (6), a light guide ring (8) is arranged on the upper surface of the light guide component (3), and a lightening area (9) is arranged on the light guide ring (8). The light guide structure of the automobile key is simple in structure, the lightening area of the automobile key can be effectively increased, and the light guide performance is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile keys, and more specifically relates to a light guide structure of an automobile key. Background Art

[0002] As a very important means of transportation, cars come in a variety of models and colors. As an appearance part, customers are constantly making new demands on keys; one of the requirements of customers for keys is lighting performance. However, the current car key indicator light shows a dot or a very small area after lighting up. The key's lighting area is limited and cannot effectively meet actual usage needs.

[0003] In the prior art, there is a technology named "a car key" and the publication number is "CN108442818A", which discloses a car key, including a key shell, a PCB circuit board and a charging coil. The key shell includes an outer cover assembly, and the outer cover assembly includes an upper cover, a lower cover and a key cover. The upper cover, the lower cover and the key cover are all made of zirconium oxide ceramics. The key cover is installed on a light guide plate, and the light guide plate is installed on the upper cover. The light guide plate has a cross-shaped light splitting structure. The key cover is provided with four keys, and the four keys are an integrated structure. The upper cover is covered on the lower cover. The PCB circuit board is arranged between the upper cover and the lower cover. The PCB circuit board is provided with four micro switches corresponding to the four keys one by one, and the charging coil is connected to the PCB circuit board. The car key of the present invention has a novel structure, good strength and reliability, beautiful appearance, low production cost, an integrated key, and can realize a wireless charging function.

[0004] However, this technology does not involve the technical problems and technical solutions of the present application. Utility Model Content

[0005] The technical problem to be solved by the utility model is: in view of the deficiencies of the prior art, to provide a car key light guide structure which has a simple structure and can effectively increase the lighting area of ​​the car key and improve the light guide performance.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by the utility model is:

[0007] The utility model discloses a car key light guide structure, comprising a key PCBA, an LED lamp and a light guide component are arranged on the key PCBA, the light guide component is provided with a first refractive surface and a second refractive surface, a reflective surface is arranged on the lower surface of the light guide component, a hot stamping area is arranged at the position of the reflective surface, a light guide ring is arranged on the upper surface of the light guide component, and a lighting area is arranged on the light guide ring.

[0008] The first refractive surface and the second refractive surface are arranged in parallel, and both the first refractive surface and the second refractive surface form an acute angle structure with the key PCBA1.

[0009] A raised area is provided between the reflective surface and the key PCBA.

[0010] The light guide component comprises a raised portion, a bent portion and a bottom portion.

[0011] The raised portion is connected to the bent portion, and the bent portion is connected to the bottom portion.

[0012] The raised portion, the bent portion and the bottom portion are in a Z-shaped structure; the raised portion, the bent portion and the bottom portion are in an integrated structure.

[0013] The bottom portion is connected to the key PCBA, a first refractive surface and a second refractive surface are arranged on the bent portion, and a light guide ring is arranged on the raised portion.

[0014] The side of the bottom surface of the light guide component close to the LED lamp is the light-incoming side.

[0015] The technical solution of the utility model is adopted, and the working principle and beneficial effects are as follows:

[0016] The light-guiding structure of the automobile key described in the utility model, when the structure is set, the light-guiding structure is mainly set on the key PCBA, PCBA is the key printed circuit board, the key PCBA is provided with an LED lamp and a light-guiding component, the LED lamp is a light source that generates light, and the light-guiding component is a component that guides light and realizes key lighting. The light-guiding component is provided with a first refractive surface and a second refractive surface, the first refractive surface 4 and the second refractive surface are used to refract the light of the light source, the lower surface of the light-guiding component is provided with a reflective surface, the position of the reflective surface is provided with a hot stamping area, the upper surface of the light-guiding component is provided with a light-guiding ring, the hot stamping area of ​​the reflective surface is used for reflection, to ensure that the light is reflected by the reflective surface and then emitted upward, so as to be emitted from the position of the light-guiding ring, the light-guiding ring is provided with a lighting area, and the lighting area is large, so as to realize uniform lighting of a large area. When the structure of the utility model is carried out to the light guiding, the LED lamp emits a light source, the light source is directed to the light guiding component, and then passes through the second refractive surface and the first refractive surface in sequence, and enters the position above the reflective surface. After being reflected by the reflective surface, the light source is emitted upward. Because the light source covers a large area, it can be emitted from the position of the light guide ring, and the entire lighting area on the light guide ring will be illuminated, effectively meeting the use requirements of key lighting. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The following is a brief description of the contents and symbols in the drawings of this specification:

[0018] Figure 1 This is a structural schematic diagram of the light guide structure of a car key according to the utility model;

[0019] Figure 2 This is a structural schematic diagram of the light guide structure of a car key according to the utility model;

[0020] The marks in the attached drawings are: 1. key PCBA; 2. LED light; 3. light guide component; 4. first refractive surface; 5. second refractive surface; 6. reflective surface; 7. hot stamping area; 8. light guide ring; 9. lighting area; 10. raised area; 11. raised part; 12. bent part; 13. bottom part; 14. light-incoming side. DETAILED DESCRIPTION

[0021] The following is a detailed description of the embodiments of the present invention, such as the shapes, structures, positions and connection relationships of the components involved, the functions and working principles of the components, etc., by referring to the accompanying drawings:

[0022] As attached Figure 1 , Attachment Figure 2 As shown, the utility model is a light-guiding structure for a car key, comprising a key PCBA1, on which an LED lamp 2 and a light-guiding component 3 are arranged, wherein the light-guiding component 3 is provided with a first refractive surface 4 and a second refractive surface 5, a reflective surface 6 is arranged on the lower surface of the light-guiding component 3, a hot stamping area 7 is arranged at the position of the reflective surface 6, a light-guiding ring 8 is arranged on the upper surface of the light-guiding component 3, and a lighting area 9 is arranged on the light-guiding ring 8. The above structure is aimed at the deficiencies in the prior art. An improved technical solution is proposed. When the structure is arranged, the light-guiding structure is mainly arranged on the key PCBA1, PCBA is the key printed circuit board, and an LED lamp 2 and a light-guiding component 3 are arranged on the key PCBA1, wherein the LED lamp 2 is a light source for generating light, and the light-guiding component 3 is a component for guiding light and realizing key lighting. The light guide component 3 is provided with a first refractive surface 4 and a second refractive surface 5, and the first refractive surface 4 and the second refractive surface 5 are used to refract the light of the light source. A reflective surface 6 is provided on the lower surface of the light guide component 3, and a hot stamping area 7 is provided at the position of the reflective surface 6. A light guide ring 8 is provided on the upper surface of the light guide component 3, and the hot stamping area 7 of the reflective surface 6 is used for reflection, so as to ensure that the light is reflected by the reflective surface 6 and then emitted upward, so as to be emitted from the position of the light guide ring 8. A lighting area 9 is provided on the light guide ring 8, and the lighting area 9 has a large area, so as to achieve uniform lighting of a large area. When the structure of the utility model is conducted to light guiding, the LED lamp 2 emits a light source, and the light source is emitted to the light guide component 3, and then passes through the second refractive surface 5 and the first refractive surface 4 in sequence, and enters the position above the reflective surface 6. After the reflection of the reflective surface 6, the light source is emitted upward. Because the light source covers a large area, it can be emitted from the position of the light guide ring 8, and the entire lighting area 9 on the light guide ring 8 will be illuminated, effectively meeting the use requirements of key lighting. The automobile key light guide structure of the utility model has a simple structure, can effectively increase the lighting area of ​​the automobile key, and improves the light guide performance.

[0023] The first refractive surface 4 and the second refractive surface 5 are arranged in parallel, and both of the first refractive surface 4 and the second refractive surface 5 are at an acute angle with the key PCBA 1. The above structure, the first refractive surface 4 and the second refractive surface 5 are used to reflect the light source emitted by the LED lamp 2, and reflect it above the reflective surface 6, and then the light is upward, and the lighting area 9 is lit.

[0024] A raised area 10 is provided between the reflective surface 6 and the key PCBA 1. The above structure and the setting of the raised area 10 enable the light guide component to avoid the PCBA 1, thus avoiding collision and damage to the PCBA 1.

[0025] The light guide component 3 includes a raised portion 11, a bent portion 12, and a bottom portion 13. The raised portion 11 is connected to the bent portion 12, and the bent portion 12 is connected to the bottom portion 13. The raised portion 11, the bent portion 12, and the bottom portion 13 are in a Z-shaped structure; the raised portion 11, the bent portion 12, and the bottom portion 13 are an integrated structure. In the above structure, the light guide component 3 is manufactured as a whole and is used to connect with the PCBA 1. It can be connected by gluing, and the gluing is connected through the bottom portion 13.

[0026] The bottom portion 13 of the light guide component 3 is connected to the key PCBA1, the first refractive surface 4 and the second refractive surface 5 are arranged on the bending portion 12, and the light guide ring 8 is arranged on the raised portion 11. To achieve the connection of the light guide component, the light guide component 3 can also be connected to the key PCBA1 through a bearing, so that the light guide component 3 is reliably connected, and will not be easily deformed when subjected to force, and has reliable performance.

[0027] The bottom portion 13 of the light guide component 3 is close to the LED lamp 2 as the light-incoming side 14. In the above structure, the light emitted by the LED lamp 2 enters the light guide component from the light-incoming side 14, is reflected by the second refractive surface 5 and the first refractive surface 4 in sequence, and then is emitted upward to realize electric quantity.

[0028] The light-guiding structure of the automobile key described in the utility model, when the structure is set, the light-guiding structure is mainly set on the key PCBA1, PCBA is the key printed circuit board, the key PCBA1 is provided with an LED lamp 2 and a light-guiding component 3, the LED lamp 2 is a light source that generates light, and the light-guiding component 3 is a component that guides light and realizes key lighting. The light-guiding component 3 is provided with a first refractive surface 4 and a second refractive surface 5, the first refractive surface 4 and the second refractive surface 5 are used to refract the light of the light source, the lower surface of the light-guiding component 3 is provided with a reflective surface 6, the position of the reflective surface 6 is provided with a hot stamping area 7, the upper surface of the light-guiding component 3 is provided with a light-guiding ring 8, the hot stamping area 7 of the reflective surface 6 is used for reflection, to ensure that the light is reflected by the reflective surface 6 and then emitted upward, so as to be emitted from the position of the light-guiding ring 8, the light-guiding ring 8 is provided with a lighting area 9, and the lighting area 9 is large in area, so as to realize uniform lighting of a large area. When the structure of the utility model is carried out to the light guiding, the LED lamp 2 emits a light source, the light source is directed to the light guiding component 3, and then passes through the second refractive surface 5 and the first refractive surface 4 in sequence, and enters the position above the reflective surface 6. After the reflection of the reflective surface 6, the light source is emitted upward. Because the light source covers a large area, it can be emitted from the position of the light guide ring 8. The entire lighting area 9 on the light guide ring 8 will be illuminated, effectively meeting the functional use requirements of the key lighting.

[0029] The above is an exemplary description of the utility model in conjunction with the accompanying drawings. It is obvious that the specific implementation of the utility model is not limited to the above-mentioned method. As long as various improvements are made using the method concept and technical solution of the utility model, or the concept and technical solution 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 car key light guide structure, characterized in that: The invention comprises a key PCBA (1), on which an LED lamp (2) and a light guide component (3) are arranged, wherein the light guide component (3) is provided with a first refractive surface (4) and a second refractive surface (5), a reflective surface (6) is arranged on the lower surface of the light guide component (3), a hot stamping area (7) is arranged at the position of the reflective surface (6), a light guide ring (8) is arranged on the upper surface of the light guide component (3), and a lighting area (9) is arranged on the light guide ring (8).

2. The automobile key light guide structure according to claim 1, characterized in that: The first refractive surface (4) and the second refractive surface (5) are arranged in parallel, and both the first refractive surface (4) and the second refractive surface (5) are formed with an acute angle structure with the key PCBA (1).

3. The automobile key light guide structure according to claim 1 or 2, characterized in that: A raised area (10) is provided between the reflective surface (6) and the key PCBA (1).

4. The automobile key light guide structure according to claim 1 or 2, characterized in that: The light-guiding component (3) comprises a raised portion (11), a bent portion (12), and a bottom portion (13).

5. The automobile key light guide structure according to claim 4, characterized in that: The raised portion (11) is connected to the bent portion (12), and the bent portion (12) is connected to the bottom portion (13).

6. The automobile key light guide structure according to claim 5, characterized in that: The raised portion (11), the bent portion (12), and the bottom portion (13) are in a Z-shaped structure; the raised portion (11), the bent portion (12), and the bottom portion (13) are in an integrated structure.

7. The automobile key light guide structure according to claim 6, characterized in that: The bottom portion (13) is connected to the key PCBA (1), a first refractive surface (4) and a second refractive surface (5) are arranged on the bent portion (12), and a light guide ring (8) is arranged on the raised portion (11).

8. The automobile key light guide structure according to claim 4, characterized in that: The side of the bottom surface (13) of the light-guiding component (3) close to the LED lamp (2) is a light-incoming side surface (14).

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