CN213149344U - Fan-shaped light-incoming light guide plate - Google Patents
Fan-shaped light-incoming light guide plate Download PDFInfo
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- CN213149344U CN213149344U CN202022507044.7U CN202022507044U CN213149344U CN 213149344 U CN213149344 U CN 213149344U CN 202022507044 U CN202022507044 U CN 202022507044U CN 213149344 U CN213149344 U CN 213149344U
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- light guide
- guide plate
- shaped light
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Abstract
The utility model provides a fan-shaped light-incoming light guide plate, which is used for an automobile instrument panel, wherein the automobile instrument panel comprises a bottom plate and a panel which is detachably arranged on the bottom plate, and an observation window is fixed on the panel; the surface of the bottom plate is inwards sunken to form a cavity, an upper limiting plate is arranged on the outer edge of the top of the cavity, a lower limiting plate is arranged at the bottom of the cavity, an FPC (flexible printed circuit) board is arranged at the top of the lower limiting plate, a plurality of LED lamps are arranged on the surface of the FPC board, light scattering paper is paved on the surface of the LED lamps, a fan-shaped light guide plate is arranged on the surface of the light scattering paper, the top of the fan-shaped light guide plate is embedded in the upper limiting plate, ear clips for fixing the fan-shaped light guide plate are arranged on; has the advantages of convenient installation, stability and good light guiding performance.
Description
Technical Field
The utility model belongs to the technical field of auto-parts, concretely relates to fan-shaped light guide plate that advances.
Background
The automobile instrument panel is a device for reflecting the working condition of each system of the automobile. The common fuel indicator lamp, cleaning fluid indicator lamp, electronic throttle indicator lamp, front and back fog lamp indicator lamp and alarm lamp. In order to conveniently penetrate through the instrument panel at night, a backlight device is arranged in an instrument panel frame, an LED lamp is adopted as a light source of the common backlight device, and due to the limitation of the light source position of the common backlight device, a light guide plate is inconvenient to install, or an installation groove hole is formed in the light guide plate, so that the projection light is influenced, and the projection light is not uniform.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fan-shaped light guide plate that advances to solve current motormeter dish and influence light transmission through seting up the slotted hole installation, and it is convenient inadequately to install.
The utility model provides a following technical scheme:
a fan-shaped light-incoming guide plate is used for an automobile instrument panel, the automobile instrument panel comprises a bottom plate and a panel which is detachably arranged on the bottom plate, and an observation window is fixed on the panel; the utility model discloses a fan-shaped light guide plate, including bottom plate, cavity body, limiting plate, fan-shaped light guide plate top, limiting plate, FPC board, LED lamp surface, limiting plate bottom, limiting plate top is provided with the FPC board down, FPC board surface is provided with a plurality of LED lamps, the diffusion paper has been laid on the LED lamp surface, diffusion paper surface is provided with fan-shaped light guide plate, fan-shaped light guide plate top inlays to be located in the limiting plate, limiting plate outward flange is provided with the ear that is used for fixed fan-shaped light guide plate and takes down, limiting plate bottom is provided with the elastic component down.
Preferably, the elastic component is including setting up the first sector plate in the cavity, evenly wear to be equipped with a plurality of ejector pins on the first sector plate, the ejector pin top is connected to the lower limiting plate bottom, the ejector pin bottom is provided with the fixed plate, the cover is equipped with first spring on the ejector pin of position between fixed plate and the first sector plate.
Preferably, go up the limiting plate including setting up in the second sector plate of cavity body top outward flange, second sector plate bottom is the inclined plane toper outwards, second sector plate dorsal part is provided with a plurality of connecting rods, cavity body top is provided with a plurality of guide posts, the cover is equipped with the second spring on the guide post, the downside and the connecting rod cover of second spring are established and are connected.
Preferably, the fan-shaped light guide plate is a transparent fan-shaped plate, and different patterns engraved by laser are arranged on the fan-shaped light guide plate.
Preferably, the number of the LED lamps is at least 5, and the LED lamps are distributed on the FPC board at equal intervals along the length direction of the FPC board.
The utility model has the advantages that:
the utility model discloses a fan-shaped light guide plate that advances, through the design of the upper limit board and the lower limit board of rational design, satisfied the simple and convenient needs of installation, avoid simultaneously carrying out the fluting trompil on the light guide plate, guarantee its light transmissivity; simultaneously, the installation stability is ensured through the elastic clamping of the upper limiting plate and the lower limiting plate, the FPC board is tightly connected with the fan-shaped light guide plate, and the light guide performance is better.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an installation schematic;
labeled as:
1. the light guide plate comprises a base plate, 2 a panel, 3 a cavity, 4 an upper limiting plate, 41 a second sector plate, 42 a connecting rod, 43 a guide post, 44 a second spring, 5 a lower limiting plate, 51 an ear tag, 6 an FPC (flexible printed circuit) board, 7 a sector light guide plate, 8 an elastic piece, 81 a first sector plate, 82 an ejector rod, 83 a fixing plate and 84 a first spring.
Detailed Description
As shown in fig. 1-2, a fan-shaped light guide plate for a dashboard of a vehicle includes a base plate 1 and a panel 2 detachably disposed on the base plate 1, and a viewing window is fixed on the panel 2.
The surface of bottom plate 1 is inwards sunken to be formed with empty cavity 3, 3 top outward flanges of cavity body are provided with spacing board 4, go up spacing board 4 including setting up in the second sector plate 41 of 3 top outward flanges of cavity body, second sector plate 41 bottom is the inclined plane toper outwards, second sector plate 41 dorsal part is provided with a plurality of connecting rods 42, 3 tops of cavity body are provided with a plurality of guide posts 43, the cover is equipped with second spring 44 on the guide post 43, the downside and the connecting rod 42 cover of second spring 44 are established and are connected.
3 bottoms of cavity body are provided with down limiting plate 5, and 5 tops of lower limiting plate are provided with FPC board 6, and 6 surfaces of FPC board are provided with a plurality of LED lamps, and the quantity of LED lamp is 5 at least, and a plurality of LED lamps are along its length direction equidistance distribution on FPC board 6.
The LED lamp surface is laid with the diffusion paper, and the diffusion paper surface is provided with fan-shaped light guide plate 7, and fan-shaped light guide plate 7 is transparent fan-shaped board, is equipped with the different patterns through laser sculpture on fan-shaped light guide plate 7. The top of the fan-shaped light guide plate 7 is embedded in the upper limiting plate 4, the outer edge of the lower limiting plate 5 is provided with an ear clip 51 for fixing the fan-shaped light guide plate 5, and the bottom of the lower limiting plate 5 is provided with an elastic part 8.
The elastic part 8 comprises a first sector plate 81 arranged in the cavity, a plurality of ejector rods 82 are uniformly arranged on the first sector plate 81 in a penetrating mode, the top of each ejector rod 82 is connected to the bottom of the lower limiting plate 5, a fixing plate 83 is arranged at the bottom of each ejector rod 82, and a first spring 84 is sleeved on each ejector rod 82 between each fixing plate 83 and the corresponding first sector plate 81.
The installation mode of the specific embodiment is as follows;
pressing the bottom of the fan-shaped light guide plate 7 into the lower limiting plate 5 along the inner side of the ear strap 51, and pressing the elastic piece 8 downwards by the lower limiting plate 5 under the action of pressure; then the top of the fan-shaped light guide plate 7 presses the upper limiting plate 4 inwards, at this time, the second fan-shaped plate 41 pushes the second spring 44 upwards due to the conical bottom under the action of pressure, finally, the fan-shaped light guide plate 7 enters the cavity body 3, and at this time, the upper limiting plate 4 and the lower limiting plate 5 are fastened to the upper end and the lower end of the fan-shaped light guide plate 7 respectively, and the installation is completed.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A fan-shaped light-incoming guide plate is used for an automobile instrument panel and is characterized in that the automobile instrument panel comprises a bottom plate and a panel which is detachably arranged on the bottom plate, and an observation window is fixed on the panel; the utility model discloses a fan-shaped light guide plate, including bottom plate, cavity body, limiting plate, fan-shaped light guide plate top, limiting plate, FPC board, LED lamp surface, limiting plate bottom, limiting plate top is provided with the FPC board down, FPC board surface is provided with a plurality of LED lamps, the diffusion paper has been laid on the LED lamp surface, diffusion paper surface is provided with fan-shaped light guide plate, fan-shaped light guide plate top inlays to be located in the limiting plate, limiting plate outward flange is provided with the ear that is used for fixed fan-shaped light guide plate and takes down, limiting plate bottom is provided with the elastic component down.
2. The fan-shaped light-entering light guide plate according to claim 1, wherein the elastic member comprises a first fan-shaped plate disposed in the cavity, a plurality of ejector rods are uniformly arranged on the first fan-shaped plate in a penetrating manner, the tops of the ejector rods are connected to the bottom of the lower limiting plate, a fixing plate is disposed at the bottoms of the ejector rods, and a first spring is sleeved on the ejector rod between the fixing plate and the first fan-shaped plate.
3. The fan-shaped light-entering light guide plate according to claim 1, wherein the upper limiting plate comprises a second fan-shaped plate arranged at the outer edge of the top of the cavity body, the bottom of the second fan-shaped plate is tapered with an outward inclined surface, a plurality of connecting rods are arranged at the back side of the second fan-shaped plate, a plurality of guide posts are arranged at the top of the cavity body, second springs are sleeved on the guide posts, and the lower sides of the second springs are sleeved with the connecting rods and connected with the guide posts.
4. The light guide plate of claim 1, wherein the light guide plate is a transparent plate with different patterns engraved by laser.
5. The fan-shaped light guide plate as claimed in claim 1, wherein the number of the LED lamps is at least 5, and a plurality of the LED lamps are equidistantly arranged on the FPC board along the length direction thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022507044.7U CN213149344U (en) | 2020-11-03 | 2020-11-03 | Fan-shaped light-incoming light guide plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022507044.7U CN213149344U (en) | 2020-11-03 | 2020-11-03 | Fan-shaped light-incoming light guide plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213149344U true CN213149344U (en) | 2021-05-07 |
Family
ID=75722964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022507044.7U Active CN213149344U (en) | 2020-11-03 | 2020-11-03 | Fan-shaped light-incoming light guide plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213149344U (en) |
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2020
- 2020-11-03 CN CN202022507044.7U patent/CN213149344U/en active Active
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