Automobile dimming headlamp
By setting up a maze-type sealing structure at the connection between the headlight shell and the lampshade, and using the cooperation of multi-layer sealing gaskets and installation grooves, the problem of poor sealing of the headlights is solved, achieving better sealing performance and extended service life.
Patent Information
- Application Number
- CN202421967061.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-14
- Publication Date
- 2025-07-01
- Estimated Expiration
- 2034-08-14
AI Technical Summary
The sealing performance of the headlights is poor, resulting in external water vapor, dust and impurities that can easily enter the inside of the headlights, damage internal components and reduce service life.
A maze-type sealing structure is arranged at the connection between the headlight shell and the lampshade. Through the cooperation of multiple layers of sealing gaskets and installation grooves, multiple seals are formed to prevent water vapor, dust and impurities from entering.
Improve the sealing performance of the headlights, prevent external substances from entering, and extend the service life of the headlights.
Smart Images
Figure CN223049889U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of vehicle lamps, specifically an automotive dimming headlamp. Background Art
[0002] Vehicle lamps are tools for road lighting during night driving of vehicles and also tools for emitting various vehicle driving signals. Vehicle lamps are exposed to the external environment for a long time and need to be used in various harsh environments. When the sealing performance of vehicle lamps is poor, external water vapor, dust, and impurities easily enter the interior of the vehicle lamps from the connection between the lamp housing and the lamp cover, which will damage the components inside the vehicle lamps and reduce the service life of the vehicle lamps. Content of the Utility Model
[0003] The technical problem to be solved by the utility model is to provide an automotive dimming headlamp with excellent sealing performance to prevent external water vapor, dust, and impurities from entering the interior of the vehicle lamp and improve the service life of the vehicle lamp in view of the above defects.
[0004] The technical solution adopted by the utility model to solve its technical problem is as follows: An automotive dimming headlamp includes a lamp housing and a lamp cover arranged on the lamp housing. A first mounting portion extends horizontally outward along the periphery of the rear end face of the lamp cover. A second mounting portion extends horizontally outward along the periphery of the rear end face of the first mounting portion. A third mounting portion extends horizontally outward along the periphery of the rear end face of the second mounting portion. A first mounting groove is formed on the side peripheral wall of the first mounting portion. A second mounting groove matching and communicating with the first mounting groove is formed on the inner wall of the lamp housing. A first sealing gasket is arranged between the first mounting groove and the second mounting groove. A third mounting groove is formed on the side peripheral wall of the second mounting portion. A plurality of vertically arranged fourth mounting grooves are evenly spaced at the top of the third mounting groove. A fifth mounting groove is evenly spaced at the top of the second mounting portion. The fifth mounting groove, the fourth mounting groove, and the third mounting groove communicate with each other. A sixth mounting groove matching the fifth mounting groove, the fourth mounting groove, and the third mounting groove is formed on the inner wall of the lamp housing. A second sealing gasket is arranged between the fifth mounting groove, the fourth mounting groove, the third mounting groove, and the sixth mounting groove.
[0005] Further, a seventh mounting groove is formed on the side peripheral wall of the third mounting portion. An eighth mounting groove matching the seventh mounting groove is formed on the inner wall of the lamp housing. A third sealing gasket is arranged between the seventh mounting groove and the eighth mounting groove.
[0006] Further, a mounting plate is arranged inside the lamp housing, and LED lamp bodies are evenly arranged on the mounting plate.
[0007] Further, a photosensitive sensor is arranged on the mounting plate, and the photosensitive sensor and the LED lamp bodies are spaced apart.
[0008] Furthermore, heat-conducting columns are provided at the bottom end of the LED lamp body, and heat sinks are provided at the bottom end of the vehicle lamp housing. The heat-conducting columns are connected to the heat sinks.
[0009] The beneficial effects of the present utility model are as follows:
[0010] Through the cooperative arrangement of the first mounting portion, the second mounting portion, the third mounting portion, the first mounting groove, the second mounting groove, the third mounting groove, the fourth mounting groove, the fifth mounting groove, the sixth mounting groove, the first sealing gasket, and the second sealing gasket, a labyrinth-type multi-channel seal is formed at the connection between the vehicle lamp housing and the lamp cover. Moreover, between the second mounting portion and the vehicle lamp housing, multiple independent sealing regions are formed on the peripheral wall of the connection through the third mounting groove, the fourth mounting groove, the fifth mounting groove, the sixth mounting groove, and the second sealing gasket, so as to effectively increase the sealing performance between the vehicle lamp housing and the lamp cover, prevent external water vapor, dust, and impurities from easily entering the vehicle lamp interior through the connection between the vehicle lamp housing and the lamp cover, avoid the problem of damage to the components inside the vehicle lamp, and improve the service life of the vehicle lamp. Description of the Drawings
[0011] Through the following detailed description in conjunction with the drawings, the foregoing and other objects, features, and advantages of the present utility model will become apparent.
[0012] Figure 1 It is a front view cross-sectional view of the present utility model.
[0013] Figure 2 It is Figure 1 an enlarged schematic view of the structure at A of
[0014] Figure 3 It is a partial cross-sectional view of the present utility model.
[0015] Figure 4 It is a schematic view of the structures of the third mounting groove, the fourth mounting groove, and the fifth mounting groove of the present utility model.
[0016] Wherein: 1. Vehicle lamp housing; 2. Lamp cover; 301. First mounting portion; 302. Second mounting portion; 303. Third mounting portion; 401. First mounting groove; 402. Second mounting groove; 403. Third mounting groove; 404. Fourth mounting groove; 405. Fifth mounting groove; 406. Sixth mounting groove; 407. Seventh mounting groove; 408. Eighth mounting groove; 5. First sealing gasket; 6. Second sealing gasket; 7. Third sealing gasket; 8. Mounting plate; 9. LED lamp body; 10. Photosensitive sensor; 11. Heat-conducting column; 12. Heat sink. Detailed Embodiments
[0017] The following further describes the present utility model in conjunction with the drawings.
[0018] Reference Figures 1-4 As shown, the automotive dimming headlamp includes a lamp housing 1 and a lamp cover 2 provided on the lamp housing 1. The rear end face of the lamp cover 2 extends horizontally outward along its periphery to form a first mounting portion 301. The rear end face of the first mounting portion 301 extends horizontally outward along its periphery to form a second mounting portion 302. The rear end face of the second mounting portion 302 extends horizontally outward along its periphery to form a third mounting portion 303. A first mounting groove 401 is formed on the side peripheral wall of the first mounting portion 301. A second mounting groove 402 that is matched and communicated with the first mounting groove 401 is formed on the inner wall of the lamp housing 1. A first sealing gasket 5 is provided between the first mounting groove 401 and the second mounting groove 402. A third mounting groove 403 is formed on the side peripheral wall of the second mounting portion 302. A plurality of vertically arranged fourth mounting grooves 404 are evenly spaced at the top of the third mounting groove 403. A fifth mounting groove 405 is evenly spaced at the top of the second mounting portion 302. The fifth mounting groove 405, the fourth mounting groove 404, and the third mounting groove 403 are communicated with each other. A sixth mounting groove 406 that is matched with the fifth mounting groove 405, the fourth mounting groove 404, and the third mounting groove 403 is formed on the inner wall of the lamp housing 1. A second sealing gasket 6 is provided between the fifth mounting groove 405, the fourth mounting groove 404, the third mounting groove 403, and the sixth mounting groove 406. The second sealing gasket 6 has a plurality of upper horizontal segments, a plurality of vertical segments, and a lower horizontal segment. The plurality of vertical segments are evenly spaced at the top of the horizontal segment. The upper horizontal segment is arranged at the top of the vertical segment. It cooperates with the first sealing gasket 5 to perform multi-layer sealing at the connection between the first mounting portion 301, the second mounting portion 302, and the inner wall of the lamp housing 1, making the sealing performance at the connection between the lamp housing 1 and the lamp cover 2 better. Moreover, the plurality of upper horizontal segments, the plurality of vertical segments, and the lower horizontal segment form a plurality of sealed independent regions at the connection between the second mounting portion 302 and the lamp housing 1, and the entered water vapor and dust can be controlled in this independent region to prevent further penetration, effectively increasing the sealing performance between the lamp housing 1 and the lamp cover 2, preventing external water vapor, dust, and impurities from easily entering the lamp interior from the connection between the lamp housing 1 and the lamp cover 2, and avoiding the problem of damage to the components inside the lamp, thereby improving the service life of the lamp.
[0019] A seventh mounting groove 407 is formed on the side peripheral wall of the third mounting portion 303. An eighth mounting groove 408 that is matched with the seventh mounting groove 407 is formed on the inner wall of the lamp housing 1. A third sealing gasket 7 is provided between the seventh mounting groove 407 and the eighth mounting groove 408. The third sealing gasket 7 cooperates with the first sealing gasket 5 and the second sealing gasket 6 to further increase the sealing performance at the connection between the lamp housing 1 and the lamp cover 2, forming multi-layer sealing layer by layer and making the sealing performance at the connection between the lamp housing 1 and the lamp cover 2 better.
[0020] An installation plate 8 is provided inside the lamp housing 1, and LED lamp bodies 9 are evenly arranged on the installation plate 8.
[0021] A photosensitive sensor 10 is provided on the mounting plate 8, and the photosensitive sensor 10 and the LED lamp body 9 are arranged at intervals. The photosensitive sensor 10 is electrically connected to the control module of the LED lamp body 9 to detect the change in the intensity of the external ambient light, and the control module controls the brightness of the LED lamp body 9. When the light is sufficient, the vehicle lamp is more energy-efficient.
[0022] A heat conducting column 11 is provided at the bottom end of the LED lamp body 9, and a heat sink 12 is provided at the bottom end of the vehicle lamp housing 1. The heat conducting column 11 is connected to the heat sink 12, and the heat conducting column 11 transfers the heat of the LED lamp body 9 to the heat sink 12 for heat dissipation, preventing the vehicle lamp from being damaged due to excessive internal temperature.
[0023] The above is only a preferred embodiment of the present invention, and does not impose any form of limitation on the present invention. Any simple modification or equivalent change made to the above embodiments based on the technical essence of the present invention falls within the protection scope of the present invention.
Claims
1. A vehicle dimming headlamp, comprising a lamp housing (1) and a lampshade (2) arranged on the lamp housing (1), characterized in that: The rear end surface of the lampshade (2) has a first mounting portion (301) extending horizontally outward along its circumference, the rear end surface of the first mounting portion (301) has a second mounting portion (302) extending horizontally outward along its circumference, the rear end surface of the second mounting portion (302) has a third mounting portion (303) extending horizontally outward along its circumference, a first mounting groove (401) is provided on the side circumferential wall of the first mounting portion (301), a second mounting groove (402) matching and communicating with the first mounting groove (401) is provided on the inner wall of the vehicle lamp housing (1), a first sealing gasket (5) is provided between the first mounting groove (401) and the second mounting groove (402), and a third mounting groove (303) is provided on the side circumferential wall of the second mounting portion (302). (403), a plurality of fourth mounting grooves (404) arranged vertically are evenly spaced at the top of the third mounting groove (403), a fifth mounting groove (405) is evenly spaced at the top of the second mounting portion (302), the fifth mounting groove (405), the fourth mounting groove (404) and the third mounting groove (403) are interconnected, a sixth mounting groove (406) matching the fifth mounting groove (405), the fourth mounting groove (404) and the third mounting groove (403) is provided on the inner wall of the lamp housing (1), and a second sealing gasket (6) is provided between the fifth mounting groove (405), the fourth mounting groove (404), the third mounting groove (403) and the sixth mounting groove (406).
2. The automotive dimming headlamp according to claim 1, characterized in that: A seventh mounting groove (407) is provided on the side wall of the third mounting portion (303), an eighth mounting groove (408) matching the seventh mounting groove (407) is provided on the inner wall of the vehicle lamp housing (1), and a third sealing gasket (7) is provided between the seventh mounting groove (407) and the eighth mounting groove (408).
3. The automotive dimming headlamp according to claim 1, characterized in that: A mounting plate (8) is arranged inside the vehicle lamp housing (1), and LED lamp bodies (9) are evenly arranged on the mounting plate (8).
4. The automotive dimming headlamp according to claim 3, characterized in that: A photosensitive sensor (10) is provided on the mounting plate (8), and the photosensitive sensor (10) is arranged at an interval from the LED lamp body (9).
5. The automotive dimming headlamp according to claim 3, characterized in that: The bottom end of the LED lamp body (9) is provided with a heat-conducting column (11), the bottom end of the vehicle lamp housing (1) is provided with a heat sink (12), and the heat-conducting column (11) is connected to the heat sink (12).