High sealing automobile headlamp
Patent Information
- Application Number
- CN202521435838.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-09
- Publication Date
- 2026-10-09
- Estimated Expiration
- 2035-07-09
AI Technical Summary
[0012]本实用新型通过第一定位部、第二定位部、安装边体、第一容置槽、第二容置槽、第一密封槽、第二密封槽、第一密封条、第二密封条、第一倾斜面、第二倾斜面、第三密封槽、第四密封槽、阻挡台阶的配合设置，第二定位部外径小于第一定位部，使其横截面形成T字形结构，与第一容置槽、第二容置槽形成配合，使灯罩主体与车灯后壳体的连接处形成结构复杂的迷宫型结构，以提高其连接处的密封性能，且第一倾斜面、第二倾斜面、第三密封槽、第四密封槽、阻挡台阶的配合，使阻挡台阶的直角与第一倾斜面紧密贴合，继而形成锥面密封，与第一密封槽、第二密封槽、第一密封条、第二密封条相互配合，由外至内形成多道密封，有效提高车灯后壳体与灯罩主体连接处的密封性能，防止外界水汽、雨水从其连接处进入车灯内部，提高汽车前照灯的耐用性和使用寿命。
Smart Images
Figure CN224837080U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of automotive lighting technology, specifically a high-sealing automotive headlight. Background Technology
[0002] Automotive lights are an indispensable component of automobiles, playing a crucial role in various aspects such as nighttime illumination, transmitting driving signals, and serving as turn indicators. They are directly related to driving safety. They consist of a headlight housing, light-emitting components housed inside the headlight housing, and a lamp cover that protects the reflective components. Since headlights are exposed to the outside environment for extended periods, they are frequently subjected to the corrosive effects of moisture and rain. Therefore, the sealing performance at the connection between the headlight housing and the lamp cover is particularly important, as it directly affects the durability and lifespan of the headlight. Utility Model Content
[0003] The technical problem to be solved by this utility model is to provide a high-sealing automotive headlight that addresses the above-mentioned defects, with excellent sealing performance, good durability, and long service life.
[0004] The technical solution adopted by this utility model to solve its technical problem is as follows: A high-sealing automotive headlight includes a rear housing of the headlight and a lampshade body disposed on the rear housing of the headlight. A first positioning portion is formed by a rearward protrusion on the periphery of the rear end face of the lampshade body. A second positioning portion is formed by a rearward protrusion on the rear end face of the first positioning portion. The outer diameter of the second positioning portion is smaller than the outer diameter of the first positioning portion. A mounting edge is formed by an outward extension of the outer periphery of the rear housing of the headlight. A first receiving groove matching the first positioning portion is formed on the mounting edge. A second receiving groove matching the second positioning portion is formed inside the first receiving groove. The top of the first positioning part has a first sealing groove, and a first sealing strip is provided inside the first sealing groove. The bottom of the first positioning part has a second sealing groove, and a second sealing strip is provided inside the second sealing groove. The rear end face of the second positioning part has a first inclined surface. The second receiving groove has a second inclined surface that matches the first inclined surface. A third sealing groove is formed by inward indentation on the second inclined surface. A fourth sealing groove is formed by inward indentation inside the third sealing groove. The inner diameter of the fourth sealing groove is smaller than that of the third sealing groove. A blocking step that abuts against the first inclined surface is formed between the fourth sealing groove and the third sealing groove.
[0005] Furthermore, the rear end of the first inclined surface of the second positioning part penetrates the third sealing groove and extends into the interior of the fourth sealing groove, wherein the cross-sections of the third sealing groove and the fourth sealing groove are right-angled structures.
[0006] Furthermore, the top and bottom ends of the third sealing groove are each provided with a third sealing strip that abuts against the first inclined surface.
[0007] Furthermore, a fifth sealing groove is provided at the top of the second positioning part, and a fourth sealing strip is provided inside the fifth sealing groove; a sixth sealing groove is provided at the bottom of the second positioning part, and a fifth sealing strip is provided inside the sixth sealing groove.
[0008] Furthermore, a seventh sealing groove is formed by an inward recess on the mounting edge inside the fourth sealing groove, and a sixth sealing strip is provided inside the seventh sealing groove.
[0009] Furthermore, a low beam assembly is provided in the middle of the rear housing of the headlight, a high beam assembly is provided below one side of the low beam assembly, a turn signal assembly is provided above the other side of the low beam assembly, and a daytime running light assembly is provided below the other side of the low beam assembly.
[0010] Furthermore, mounting portions are evenly provided at both ends of the rear housing of the headlight.
[0011] The beneficial effects of this utility model are:
[0012] This utility model utilizes a combination of a first positioning part, a second positioning part, a mounting edge, a first accommodating groove, a second accommodating groove, a first sealing groove, a second sealing groove, a first sealing strip, a second sealing strip, a first inclined surface, a second inclined surface, a third sealing groove, a fourth sealing groove, and a blocking step. The outer diameter of the second positioning part is smaller than that of the first positioning part, forming a T-shaped structure in its cross-section. This structure mates with the first and second accommodating grooves, creating a complex labyrinthine structure at the connection between the lamp cover body and the rear housing of the headlight. This improves the sealing performance at the connection. Furthermore, the combination of the first and second inclined surfaces, the third and fourth sealing grooves, and the blocking step ensures that the right angle of the blocking step fits tightly against the first inclined surface, forming a conical seal. This seal, along with the first and second sealing grooves, the first and second sealing strips, creates multiple seals from the outside in, effectively improving the sealing performance at the connection between the rear housing of the headlight and the lamp cover body. This prevents external moisture and rainwater from entering the headlight from the connection, thus improving the durability and lifespan of the automotive headlight. Attached Figure Description
[0013] The foregoing and other objects, features and advantages of this invention will become apparent from the following detailed description taken in conjunction with the accompanying drawings.
[0014] Figure 1 This is a front view of the present utility model.
[0015] Figure 2 This is a partial side sectional view of the mounting body of this utility model in conjunction with the first positioning part and the second positioning part.
[0016] Figure 3 for Figure 2An enlarged schematic diagram of the structure at point A.
[0017] The components include: 1. Rear housing of the headlight; 2. Main body of the headlight cover; 301. First positioning part; 302. Second positioning part; 4. Mounting side body; 501. First receiving groove; 502. Second receiving groove; 6. First sealing groove; 601. First sealing strip; 7. Second sealing groove; 701. Second sealing strip; 8. First inclined surface; 801. Second inclined surface; 9. Third sealing groove; 901. Third sealing strip; 10. Fourth sealing groove; 11. Blocking step; 12. Fifth sealing groove; 1201. Fourth sealing strip; 13. Sixth sealing groove; 1301. Fifth sealing strip; 14. Seventh sealing groove; 1401. Sixth sealing strip; 15. Low beam headlight assembly; 16. High beam headlight assembly; 17. Turn signal assembly; 18. Daytime running light assembly; 19. Mounting part. Detailed Implementation
[0018] The present invention will be further described below with reference to the accompanying drawings.
[0019] Reference Figure 1-3 As shown, a high-sealing automotive headlight includes a rear housing 1 and a lampshade body 2 mounted on the rear housing 1. The lampshade body 2 and the rear housing 1 are fixedly connected by adhesive or welding. A first positioning part 301 protrudes rearward from the periphery of the rear end face of the lampshade body 2. A second positioning part 302 protrudes rearward from the rear end face of the first positioning part 301. The outer diameter of the second positioning part 302 is smaller than the outer diameter of the first positioning part 301. The first positioning part 301 and the second positioning part 302 cooperate to form a T-shaped cross-section. The outer periphery of the housing 1 extends outward to form a mounting side 4. The mounting side 4 has a first receiving groove 501 that matches the first positioning part 301. The first receiving groove 501 has a second receiving groove 502 that matches the second positioning part 302. The inner diameter of the second receiving groove 502 is also smaller than the inner diameter of the first receiving groove 501. Its cross-section is also T-shaped. It cooperates with the first positioning part 301 and the second positioning part 302 to form a complex labyrinth-shaped structure at the connection between the lamp cover body 2 and the rear housing 1 of the vehicle lamp, so that the sealing performance of the connection is better.
[0020] The first positioning part 301 has a first sealing groove 6 at its top end, and a first sealing strip 601 is disposed inside the first sealing groove 6. The first sealing groove 6 and the first sealing strip 601 form a seal between the top end of the first positioning part 301 and the top end inside the first receiving groove 501. The first positioning part 301 has a second sealing groove 7 at its bottom end, and a second sealing strip 701 is disposed inside the second sealing groove 7. The second sealing groove 7 and the second sealing strip 701 form a seal between the bottom end of the first positioning part 301 and the bottom end inside the first receiving groove 501, thus forming multiple seals and increasing the sealing performance at the connection. The rear end face of the second positioning part 302 has a first inclined surface 8, and the second receiving groove 502 has a second inclined surface 801 that matches the first inclined surface 8. The second inclined surface 801 is fitted together so that the inclined surfaces fit tightly, reducing gaps and further improving the sealing performance of the connection. A third sealing groove 9 is formed by an inward recess on the second inclined surface 801. A fourth sealing groove 10 is formed by an inward recess inside the third sealing groove 9. The inner diameter of the fourth sealing groove 10 is smaller than that of the third sealing groove 9. A blocking step 11 is formed between the fourth sealing groove 10 and the third sealing groove 9, which abuts against the first inclined surface 8. The right angle of the blocking step 11 formed by the matching of the third sealing groove 9 and the fourth sealing groove 10 fits tightly with the first inclined surface 8 on the second positioning part 302, forming a conical seal, which further improves the sealing performance of the connection. The cooperation prevents external moisture and rainwater from entering the interior of the headlight from the connection, improving the durability and service life of the car headlight.
[0021] Preferably, the rear end of the first inclined surface 8 of the second positioning part 302 passes through the third sealing groove 9 and extends into the interior of the fourth sealing groove 10. The cross-sections of the third sealing groove 9 and the fourth sealing groove 10 are right-angled structures. The top and bottom ends of the interior of the third sealing groove 9 are provided with a third sealing strip 901 that abuts against the first inclined surface 8. The third sealing strip 901 forms a seal at the connection between the first inclined surface 8 and the third sealing groove 9, further increasing the sealing performance between the rear housing 1 of the vehicle lamp and the lamp cover body 2.
[0022] Preferably, a fifth sealing groove 12 is provided at the top of the second positioning part 302, and a fourth sealing strip 1201 is provided inside the fifth sealing groove 12. The fifth sealing groove 12 and the fourth sealing strip form a seal between the top of the second positioning part 302 and the top of the second receiving groove 502. A sixth sealing groove 13 is provided at the bottom of the second positioning part 302, and a fifth sealing strip 1301 is provided inside the sixth sealing groove 13. The sixth sealing groove 13 and the fifth sealing strip 1301 form a seal between the bottom of the second positioning part 302 and the bottom of the second receiving groove 502, so that multiple seals are formed at the connection between the second positioning part 302 and the second receiving groove 502.
[0023] Preferably, a seventh sealing groove 14 is formed by an inward recess on the mounting edge 4 inside the fourth sealing groove 10, and a sixth sealing strip 1401 is provided inside the seventh sealing groove 14. The seventh sealing groove 14 and the sixth sealing strip 1401 form a seal between the rear end face of the second positioning part and the end face inside the fourth sealing groove 10.
[0024] Preferably, a low beam assembly 15 is provided in the middle of the rear housing 1 of the headlight, a high beam assembly 16 is provided below one side of the low beam assembly 15, a turn signal assembly 17 is provided above the other side of the low beam assembly 15, and a daytime running light assembly 18 is provided below the other side of the low beam assembly 16.
[0025] Preferably, mounting portions 19 are evenly provided at both ends of the rear housing 1 of the headlight, and mounting holes are provided on the mounting portions 19.
[0026] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Any simple modifications or equivalent changes made to the above embodiments based on the technical essence of the present utility model shall fall within the protection scope of the present utility model.
Claims
1. A high-sealing automotive headlight, comprising a rear housing (1) of the headlight and a lamp cover body (2) disposed on the rear housing (1), characterized in that: The rear end face of the lamp cover body (2) protrudes rearward to form a first positioning part (301), and the rear end face of the first positioning part (301) protrudes rearward to form a second positioning part (302). The outer diameter of the second positioning part (302) is smaller than the outer diameter of the first positioning part (301). The outer periphery of the rear housing (1) of the vehicle lamp extends outward to form a mounting side body (4). The mounting side body (4) is provided with a first receiving groove (501) that matches the first positioning part (301). The first receiving groove (501) is provided with a second receiving groove (502) that matches the second positioning part (302). The top of the first positioning part (301) is provided with a first sealing groove (6). The first sealing groove (6) is provided with a first sealing strip. 601), the bottom end of the first positioning part (301) is provided with a second sealing groove (7), the second sealing groove (7) is provided with a second sealing strip (701), the rear end face of the second positioning part (302) is provided with a first inclined surface (8), the second receiving groove (502) is provided with a second inclined surface (801) that matches the first inclined surface (8), the second inclined surface (801) is recessed inward to form a third sealing groove (9), the third sealing groove (9) is recessed inward to form a fourth sealing groove (10), the inner diameter of the fourth sealing groove (10) is smaller than that of the third sealing groove (9), and a blocking step (11) that abuts against the first inclined surface (8) is formed between the fourth sealing groove (10) and the third sealing groove (9).
2. The high-sealing automotive headlight according to claim 1, characterized in that: The rear end of the first inclined surface (8) of the second positioning part (302) passes through the third sealing groove (9) and extends into the interior of the fourth sealing groove (10). The cross-sections of the third sealing groove (9) and the fourth sealing groove (10) are right-angled structures.
3. The high-sealing automotive headlight according to claim 1, characterized in that: The top and bottom ends of the third sealing groove (9) are provided with a third sealing strip (901) that abuts against the first inclined surface (8).
4. The high-sealing automotive headlight according to claim 1, characterized in that: The second positioning part (302) has a fifth sealing groove (12) at its top end, and a fourth sealing strip (1201) is provided inside the fifth sealing groove (12). The second positioning part (302) has a sixth sealing groove (13) at its bottom end, and a fifth sealing strip (1301) is provided inside the sixth sealing groove (13).
5. The high-sealing automotive headlight according to claim 1, characterized in that: The seventh sealing groove (14) is formed by an inward recess on the mounting side body (4) inside the fourth sealing groove (10), and a sixth sealing strip (1401) is provided inside the seventh sealing groove (14).
6. The high-sealing automotive headlight according to claim 1, characterized in that: A low beam assembly (15) is provided in the middle of the rear housing (1) of the headlight. A high beam assembly (16) is provided below one side of the low beam assembly (15). A turn signal assembly (17) is provided above the other side of the low beam assembly (15). A daytime running light assembly (18) is provided below the other side of the low beam assembly (15).
7. The high-sealing automotive headlight according to claim 1, characterized in that: Mounting portions (19) are evenly provided at both ends of the rear housing (1) of the vehicle headlight.