CN218348627U - Closed structure of projection lamp - Google Patents
Closed structure of projection lamp Download PDFInfo
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- CN218348627U CN218348627U CN202222848501.8U CN202222848501U CN218348627U CN 218348627 U CN218348627 U CN 218348627U CN 202222848501 U CN202222848501 U CN 202222848501U CN 218348627 U CN218348627 U CN 218348627U
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- projection lamp
- gear
- motor
- projection
- circuit board
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Abstract
The utility model belongs to the technical field of the car light lighting technology and specifically relates to a closed structure of projection lamp. The inner cavity of the shell is internally provided with a circuit board and a motor, the circuit board is respectively connected with the motor and the vehicle body through cables, the output end of the motor is provided with a gear assembly, the gear assembly is provided with a dust cover, and the dust cover is positioned in front of a projection outlet of the projection lamp. When the projection lamp is closed, the surface of the projection lamp can be protected from being bright and clean, dirt and dust can be prevented, the appearance quality can be improved, and the requirements of the existing projection lamp on complicated colors and patterns can be met; after the automobile projection lamp is opened, the dust cover is pushed through the design of the movement stroke, dust generated in the using process before the cleaning of the upper sealing strip is utilized cannot shield the projection effect of the projection lamp, the use experience of the automobile projection lamp is improved, the use safety of the projection lamp can be guaranteed when necessary, and the safety factor of a driver is improved.
Description
Technical Field
The utility model belongs to the technical field of the car light lighting technology and specifically relates to a closed structure of projection lamp.
Background
At present, with the development of projection lamp technology, the projection lamp is applied to the automobile, the pattern of the projection lamp module is more and more complicated, and the color also appears colorful. The smoothness of the projection lamp surface is becoming more and more important. The projection that the projection lamp surface is stained and is influenced not only can influence the integrality of image, influences user's driving experience, and the severe condition can cause certain visual interference for the driver moreover, can endanger driving safety.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the closed structure of the projection lamp can protect the surface of the projection lamp to be smooth and clean and ensure the pattern integrity of the projection lamp.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a closed structure of projection lamp for install on the projection lamp, includes the shell, install circuit board and motor in the inner chamber of shell, the circuit board passes through the cable and connects motor and automobile body respectively, and the gear assembly is installed to the output of motor, installs the shield on the gear assembly, and the shield is located the place ahead of projection lamp projection export.
Further, the gear assembly includes first gear, second gear, third gear and fourth gear, the first gear of output installation of motor, first gear and second gear meshing, second gear and third gear meshing, the fourth gear is installed on the shield, third gear and fourth gear meshing to the drive shield reciprocates.
Furthermore, the inner surface of the dust cover is provided with a sealing strip.
Furthermore, the dust cover and the sealing strip are integrally formed in an injection molding mode.
Further, the sealing strip is a rubber sealing strip with moderate hardness.
Furthermore, the shell is also provided with a cover plate, and the cover plate covers the dustproof cover.
The beneficial effects of the utility model are that: the utility model can protect the surface of the projection lamp to be smooth, antifouling and dustproof when being closed, and can also improve the appearance quality, thereby meeting the requirements of the prior projection lamp on complicated colors and patterns; after the automobile projection lamp is opened, the dust cover is pushed through the design of the movement stroke, dust generated in the using process before the cleaning of the upper sealing strip is utilized cannot shield the projection effect of the projection lamp, the use experience of the automobile projection lamp is improved, the use safety of the projection lamp can be guaranteed when necessary, and the safety factor of a driver is improved.
Drawings
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is a schematic structural diagram of a preferred embodiment of the present invention;
FIG. 2 is a schematic view of the present invention in another direction of FIG. 1;
fig. 3 is a schematic structural view of the open state of the present invention;
fig. 4 is a schematic structural view of the closed state of the present invention;
fig. 5 is a schematic diagram of the motor control chip U3 of the present invention;
fig. 6 is a schematic circuit diagram of the circuit board of the present invention;
in the figure: 1. the motor comprises a circuit board, 2 motors, 3 cover plates, 4 housings, 5 gear assemblies, 5-1 first gears, 5-2 second gears, 5-3 third gears, 5-4 fourth gears, 6 dust covers and 7 sealing strips.
Detailed Description
The present invention will now be described in further detail with reference to the drawings and preferred embodiments. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1-4, the closed structure of a projection lamp, whole closed structure can pass through various modes such as screw, riveting fastening on projection lamp 8, including shell 4, install circuit board 1 and motor 2 in the inner chamber of shell 4, motor 2 is step motor, install circuit board 1 and motor 2 in the inner chamber of shell 4, motor 2 and automobile body are connected respectively through the cable to circuit board 1, are connected with motor 2 and are used for controlling opening and close of motor 2, are used for receiving the signal of opening and close projection lamp 8 with the automobile body coupling, and gear assembly 5 is installed to motor 2's output, installs shield 6 on the gear assembly 5, and shield 6 is located the place ahead of the 8 projection export of projection lamp, still installs apron 3 on the shell 4, and apron 3 covers outside shield 6.
The gear assembly 5 comprises a first gear 5-1, a second gear 5-2, a third gear 5-3 and a fourth gear 5-4, the first gear 5-1 is installed at the output end of the motor 2, the first gear 5-1 is meshed with the second gear 5-2, the second gear 5-2 is meshed with the third gear 5-3, the fourth gear 5-4 is welded on the dust cover 6, firmness and reliability are achieved, the durability of the closed structure is improved, the service life of the closed structure is prolonged, and the third gear 5-3 is meshed with the fourth gear 5-4 and drives the dust cover 6 to move up and down.
In addition: the first gear 5-1 is a worm, the second gear 5-2 is a worm wheel, the third gear 5-3 is a straight gear, and the fourth gear 5-4 is a rack.
The internal surface mounting of shield 6 has sealing strip 7, and injection moulding as an organic whole between shield 6 and the sealing strip 7, sealing strip 7 and 6 inseparable structures of shield can be better with 8 laminating of projection lamp, play fine antifouling dirt-proof effect. The sealing strips 7 are rubber sealing strips with moderate hardness, and the surface of the projection lamp 8 is not easily scratched.
The circuit board 1 is in the prior art, as shown in fig. 5, the circuit board 1 includes a motor control chip U3, a signal input end and a power end of the motor control chip U3 are both electrically connected to a vehicle body end, a signal output end of the motor control chip U3 is electrically connected to the motor 2, the motor control chip U3 receives and converts a signal of the signal input end, the motor control chip U3 transmits the converted signal to the motor 2 through the signal output end, and the extension and retraction of the ball head of the motor 2 are determined according to the positive and negative of the MOTXP, MOTXN, MOTYP, and MOTYN of the signal output end. The working principle diagram of the circuit board is shown in fig. 6, and the motor chip is a micro-stepping motor driver of NCV70517 but not limited thereto.
The working process is as follows:
when the automobile is in an open state, the automobile body controller sends a signal for opening the projection lamp 8 and then transmits the signal to the circuit board 1 in fig. 3, after the circuit board 1 receives the signal, the signal content is converted into current and then is output to the motor 2, the motor 2 is driven to rotate forwards, the motor 2 is driven to extend out, corresponding directions and forces are transmitted to the third gear 5-3 through the first gear 5-1 and the second gear 5-2, the directions and forces are transmitted to the fourth gear 5-4 through the third gear 5-3 in combination with fig. 2, the fourth gear 5-4 moves upwards, the dust cover 6 and the sealing strip 7 are driven to move upwards simultaneously, and the function of opening the closed structure is achieved.
When the automobile is in a closed state, the automobile body controller sends out a signal of a closed projection lamp 8 and then transmits the signal to the circuit board 1 in fig. 4, after the circuit board 1 receives the signal, the signal content is converted into current and then is output to the motor 2, the motor 2 is driven to rotate reversely, the motor 2 is driven to do retraction action, the corresponding direction and force are transmitted to the third gear 5-3 through the first gear 5-1 and the second gear 5-2, the direction and force are transmitted to the fourth gear 5-4 by combining with fig. 2, the third gear 5-3 and the fourth gear 5-4 move downwards, the dust cover 6 and the sealing strip 7 are driven to move downwards at the same time, and the function of closing the closed structure is achieved.
If the motor 2 can not work normally, the circuit board 1 sends out a diagnosis signal according to the locked-rotor current of the motor 2 and feeds back the diagnosis signal to the vehicle body.
To sum up, the utility model discloses the protection projection lamp that can be better the surface is bright and clean, accords with the requirement that present projection lamp color and pattern are complicated. The use experience of the automobile projection lamp is improved, and the use safety of the projection lamp can be ensured when necessary.
While the foregoing description describes only certain embodiments of the invention, it is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. A projection lamp closure for mounting on a projection lamp (8), the closure characterized by: including shell (4), install circuit board (1) and motor (2) in the inner chamber of shell (4), motor (2) and automobile body are connected respectively through the cable in circuit board (1), and gear assembly (5) are installed to the output of motor (2), install shield (6) on gear assembly (5), and shield (6) are located the place ahead of projection lamp (8) projection export.
2. A projection lamp closing structure as set forth in claim 1, wherein: the gear assembly (5) comprises a first gear (5-1), a second gear (5-2), a third gear (5-3) and a fourth gear (5-4), the first gear (5-1) is installed at the output end of the motor (2), the first gear (5-1) is meshed with the second gear (5-2), the second gear (5-2) is meshed with the third gear (5-3), the fourth gear (5-4) is installed on the dust cover (6), and the third gear (5-3) is meshed with the fourth gear (5-4) and drives the dust cover (6) to move up and down.
3. A projection lamp closing structure as set forth in claim 1, wherein: the inner surface of the dustproof cover (6) is provided with a sealing strip (7).
4. A projection lamp closing structure as set forth in claim 3, wherein: the dust cover (6) and the sealing strip (7) are integrally formed by injection molding.
5. A projection lamp closing structure as set forth in claim 4, wherein: the sealing strip (7) is a rubber sealing strip with moderate hardness.
6. A projection lamp closing structure as set forth in claim 1, wherein: the shell (4) is also provided with a cover plate (3), and the cover plate (3) is covered outside the dustproof cover (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222848501.8U CN218348627U (en) | 2022-10-26 | 2022-10-26 | Closed structure of projection lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222848501.8U CN218348627U (en) | 2022-10-26 | 2022-10-26 | Closed structure of projection lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218348627U true CN218348627U (en) | 2023-01-20 |
Family
ID=84898776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222848501.8U Active CN218348627U (en) | 2022-10-26 | 2022-10-26 | Closed structure of projection lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218348627U (en) |
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2022
- 2022-10-26 CN CN202222848501.8U patent/CN218348627U/en active Active
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